Install the battery
1 scope
The technology standard is applicable to voltage of 24 v and above, capacity of more than 30 a. h fixed type lead-acid battery and the capacity of more than 10 a. h and cadmium nickel alkaline battery installation.
2 construction preparation
2.1 equipment and material requirements
2.1.1 all use of equipment and equipment shall conform to the state and the customer's current technical standards.
2.1.2 installation of equipment and equipment nameplate, indicating the manufacturer, the equipment name, specification, model, and should have qualified certificates and technical documents.
2.1.3 the specifications of the equipment, model should comply with the design requirements, complete accessories, spare parts.
2.1.4 make lead-acid battery electrolyte with existing national standards should be adopted with sulfuric acid battery with sulfuric acid, and product certification.
2.1.5 dispensing steel nickel alkaline battery electrolyte should be adopted in accordance with the current national standard level 3 chemical purity of potassium hydroxide (KOH), its technological conditions are shown in table 2-36.
2.1.6 battery with distilled water should comply with the current national standard "lead-acid battery water").
2.1.7 bench battery materials should meet the design requirements.
2.1.8 insulator, insulation pad without fracture and defect; No obvious corrosion steel.
2.1.9 other materials: anti-rust paint, acid lacquer, electricity compound, galvanized screws, plastic, asphalt, paint, alcohol, lead plate shall have certificate.
Potassium hydroxide technical conditions table 2-36
Indexes that are pure
Potassium hydroxide (KOH) (%) of 80 or higher
Carbonate (K2CO3) (%) 3 or less
Chloride (Cl) (%) of 0.025 or less
Sulfate (SO4) (%) of 0.01 or less
Nitrogen (N) (%) of 0.001 or less
Phosphate (PO4) (%) of 0.01 or less
Silicate (SiO3) (%) of 0.1 or less
Sodium (Na) (%) 2 or less
Calcium (Ca) (%) of 0.02 or less
Iron (Fe) (%) of 0.002 or less
Heavy metals (Ag) (%) of 0.003 or less
Clarify degree test
2.2 the main equipment:
With liquid pool, bench drill, grinding wheel, electric hammer, hammer, flat file, round file, hand saw, wrench, spirit level, line drop, steel plate
Feet, steel tape, wooden hammer, copper strip Lang bending machine, oil brush, flashlight, electric welding machine, welding tools, platoon, shaking table, multimeter, dc voltmeter, gauge, thermometer, ceramic cylinder, cone, glass rod, measuring cup, liquid suction device, glasses, acid and alkali resistant clothing, rubber gloves, rubber apron, rubber boots, mask.
2.3 operation conditions:
2.3.1 construction drawings and technical data is complete.
2.3.2 civil engineering construction completely, doors and Windows is complete.
2.3.3 battery compartment acid finish on the ground, wall, door, window, ventilation and metal structure should be brush acid paint.
2.3.4 place battery block machine have been finished.
2.3.5 heating, ventilation and lighting meet all conditions of use.
2.3.6 on the battery compartment, sewage through.
3 operation process
3.1 process:
Equipment point check pieces - busbar, cable installation and test bench - to liquor and charge and discharge, battery installation
Alkaline battery with liquid and charge and discharge - sending and acceptance
3.2 equipment point check:
3.2.1 equipment unpacking some pieces of test should be jointly by construction unit, delivery unit, the construction unit, and make records.
3.2.2 according to packing list or delivery of the specifications of the listing, variety, quantity, counting.
3.2.3 factory related technical files are complete.
3.2.4 the specifications of the equipment, model conformed to the design requirements, the attachment is complete, the parts for damage.
3.2.5 lead-acid battery should check the following:
3.2.5.1 battery slot should be no crack, damage, slot cover should be sealed well.
3.2.5.2 positive and negative terminals of the battery must be correct polarity, and should be no deformation; Such as catalysis, acid proof switch plug fittings should be complete without damage; To filter the ventilation performance of gas cap is good.
3.2.5.3 transparent battery slot, should check the plate no serious be affected with damp be affected with damp and deformation; Groove inside a should complete without damage.
3.2.6 cadmium nickel alkaline battery should check the following:
3.2.6.1 battery shell should be no crack, damage, such as leakage phenomenon.
3.2.6.2 correct polarity, inside the shell is complete without damage; Have a hole plug ventilation performance is good.
Article 3.2.6.3 connections, bolts and nuts shall be complete, no rust.
3.2.6.4 electrolyte battery, the liquid level height should be between two metal line; Leakproof embolism should be no loose, fall off.
3.3 busbar, cable installation and test bench.
3.3.1 indoor busbar battery bracket installation to comply with the design requirements. A hanger and insulator feet all should brush acid paint.
3.3.2 rainfall distribution on 10-12 battery lead to the laying of the cable, besides should be consistent with existing national standards "electrical equipment installation project cable line code for construction and acceptance of the relevant provisions, it shall meet the following requirements:
3.3.2.1 appropriate USES plastic sheath cable.
3.3.2.2 pinout application plastic ribbon marked positive and negative polarity. Is extremely ochre, negative extremely blue.
3.3.2.3 holes and seal protection in the application of acid, alkali materials.
3.3.3 battery indoor bare busbar installation, besides should comply with the relevant specification is anti-corrosion measures should be taken. Joints should be coated power compound.
We do the installation of the platform:
3.3.4.1 bench, the number of base frame spacing should be consistent with the design requirements.
3.3.4.2 bench before installation should brush acid paint or bitumen;
3.3.4.3 voltage higher than 48 v battery rack, application of insulator or insulation insulation with the ground;
3.3.4.4 bench installation should level off, shall not be skewed.
3.4 battery installation:
3.4.1 track battery installation shall be in accordance with the design drawings and relevant technical documents for construction.
3.4.2 battery installation should be smooth and uniform spacing; The same order of battery should be highly consistent, neat rows.
Rule 3.4.3 seismic requirements, the seismic measures should comply with the relevant provisions of reliable and strong.
3.4.4 thermometer, liquid level line should be on one side is easy to check.
3.5 with liquid and charging and discharging:
3.5.1 track of liquor before should do the following work:
3.5.1.1 sulphuric acid should be a dedicated battery acid, and should have the factory product certificate;
3.5.1.2 distilled water should conform to the requirements of the standard;
3.5.1.3 electric storage tank should be cleaned up;
3.5.1.4 to be prepared for the charging power supply, ensure reliable power supply power supply;
3.5.1.5 ready liquor equipment, testing equipment and labor insurance supplies.
3.5.2 deployment of electrolyte:
3.5.2.1 liquor is a meticulous work, the operating personnel should strictly stipulated in the technical data and the matters needing attention, in case of wrong operation;
3.5.2.2 in deployment of electrolytic watanabe, put the distilled water in has been prepared with liquid in the container, and then pour sulfuric acid slowly into distilled water, stirring with a glass rod in order to mix at the same time, fast heat dissipation;
3.5.2.3 are strictly prohibited to pour distilled water to sulfuric acid, to prevent thermal explosion.
3.5.3 electrolyte mixture density should be in accordance with the technical regulations of the product specifications, see table 2-37-38, table 2.
Lead-acid battery materials and electrolyte standard table 2-37
Indicators of said electrolyte in the sulfuric acid using distilled water
- H2SO4 (sulfuric acid) content (%) 92 40 ~ 15 or more
Ignition residue content (%) of 0.05 or less acuities were 0.02, 0.01 or less
Manganese (Mn) content (%) of 0.0001 or less acuities were 0.00004, 0.00001 or less
Iron (Fe) content (%) of 0.012 or less acuities were 0.004, 0.0004 or less
The content of arsenic (As) (%) of 0.0001 or less 0.00003 or less
Chlorine (Cl) (%) of 0.001 or less acuities were 0.0007, 0.0005 or less
The content of nitrogen (N) (%) of 0.001 or less
Reduction of potassium permanganate material (O) content (%) of 0.002 or less acuities were 0.0008, 0.0002 or less
Chromaticity measurement (ml) of 2.0 or less
(mm) or greater transparency 50 colorless transparent colorless transparent
Resistivity (25 ℃) (Ω · cm) 10 x 104 or higher
Nitrate and nitrite (N) (%) of 0.0005 or less 0.0003 or less
Ammonium (NH4) content (%) of 0.005 or less 0.0008 or less
Copper (Cu) content (%) of 0.002 or less
Alkaline earth metal oxide (CaO) (%) of 0.005 or less
The content of sulfur dioxide (SO2) (%) of 0.007 or less
Alkaline battery with electrolyte standard - 38 in table 2
Project of new electrolyte using limit value
Outside view of colorless transparent, without suspended matter
Dense degree of 1.19 ~ 1.25 (25 ℃) 1.19 ~ 1.21 (25 ℃)
Contain quantity KOH240 ~ 270 g/l KOH240 ~ 270 g/l
Cl - < 0.1 g/l < 0.1 g/l
CO2
< < 50 8 g/l g/l
Ca, Mg < 0.1 g/l < 0.1 g/l
Ammonia sediments Al/KOH < < 0.02% and 0.02%
Fe/KOH < < 0.05% and 0.05%
3.5.4 injection battery electrolyte, its temperature is higher than that of 30 ℃, straight when the room temperature 30 ℃ above, shall not be higher than room temperature. Injection of liquid level height degree should be between the high and low liquid level line.
2.6.2 fixed opening type battery separator inserted within 24 h before injecting electrolyte, electrolyte injection should be higher than plate upper 10 to 20 mm.
3.5.6 battery charging to the electrolyte into 3 ~ 5 h (normally not straight for more than 12 h), liquid temperature below 30 ℃, charging liquid temperature should not be higher than 45 ℃.
Against the flame-proof type lead acid storage battery 3.5.7 acid flame-proof switch in acid injection after installed, charging to prevent leakage of acid gas a lot.
3.5.8 battery when charging products in strict accordance with the technical requirements.
3.5.9 battery meets the following conditions has enough: (l) can be thought of strong air bubbles in the positive and negative plate; (2) e., increase the proportion of the electrolyte to the product description is generally 1.20 ~ 1.2.1 (when temperature is + 15 ℃) and remained unchanged in 3 h; (3) of each battery voltage is increased to 2.5 ~ 2.75 V, and remains unchanged in 3 h; (4) the color of the plate is plate into red brown or dark brown, negative plate is grey.
3.5.10 after charging, the proportion of the electrolyte, liquid level height should be adjusted, the adjustment after charging for half an hour.
3.5.11 battery discharge should be performed in accordance with the requirements of product technology, should not put.
3.5.12 battery has the following characteristics of the population of discharge has been completed:
3.5.12.1 battery voltage to 1.8 V.
3.5.12.2 plate color, positive plate for brown, black negative plate;
3.5.12.3 electrolyte proportion, average 1.17 ~ l. 15.
3.5.13 the temperature at 25 ℃, the discharge capacity should reach more than 85% of the rated capacity; When the temperature is 25 ℃, its capacity can press type conversion:
C25 =
Type of t - discharge process, the average temperature of the electrolyte (℃);
Ct - at the actual capacity of the liquid temperature of t ℃ (a. h);
C25, when converted to standard temperature (25 ℃) capacity (a. h);
Temperature coefficient of 0.008 - capacity.
3.5.14 battery charged immediately after discharge, interval of not more than 10 h.
3.5.15 charge and discharge process, according to the rules of time to make a good record of voltage, current, density, temperature and plot of charging and discharging characteristics.
3.6 battery construction matters needing attention:
3.6.1 battery compartment ventilation must be good;
3.6.2 battery room is strictly prohibited fireworks;
3.6.3 plate welding, must be carried out by an experienced welder and electrician to cooperate;
3.6.4 radar echoes captured battery liquor should be by construction experience of electrical operation, and supervision by designated personnel;
3.6.5 liquor storage battery room should be for 5% of the sodium carbonate solution and water to prevent accidents.
3.6.6 is strictly forbidden to distilled water to dump in sulphuric acid;
3.6.7 injection allocation electrolyte, the operator must wear special protection products (protective glasses, rubber gloves, rubber apron, rubber boots, masks), to ensure safe operation;
3.6.8 battery charge and discharge in accordance with the technical data, in case of overcharge, discharge damage plate, affect the service life.
3.7 alkaline battery charge and discharge and the matters needing attention:
3.7.1 alkaline liquor and battery charging and discharging according to product manuals and relevant technical data.
3.7.2 electrolyte injection:
3.7.2.1 battery cleaning, wipe away the oil;
3.7.2.2 injecting electrolyte using glass funnel or stolen funnel; Two hours after the injection of voltage measurement, such as measuring out to 8 ~ 10 h, test it again, still couldn't measure the voltage or voltage is too low, that the battery is bad, need to replace the battery;
3.7.2.3 electrolyte injection after 2 hours to check the liquid level height, liquid level must be higher than plate 10 ~ 15 mm;
3.7.2.4 in the electrolyte injection of a small amount of heat the oil or petroleum jelly, floating in the liquid surface, cut off the air, prevent the carbon dioxide in the air to come into contact with the electrolyte.
3.7.3 charge and discharge:
3.7.3.1 alkaline battery charge and discharge shall be carried out according to the requirement of the specifications;
3.7.3.2 if not specify, charge and discharge current can be calculated by the following methods: the capacity of the battery is divided by 4 (or multiplied by 25%), i.e. the rated capacity of 100 a. h available 25 a battery recharged;
3.7.3.3 steel nickel battery charging with normal charging current first 6 h, 1/2 normal charging current continue to allow 6 h, with 8 h discharge rate discharge 4 h, then such circulation, charge and discharge for three times;
3.7.3.4 on iron nickel battery use normal charging current 12 h, reoccupy 8 h rate discharge, when polar voltage drop to 1.1 V, with a rate of 12 h normal charging current (1/3) a charge.
3.7.4 precautions:
3.7.4.1 dispensing container application of alkaline electrolyte iron and steel, ceramics and enamel;
3.7.4.2 preparation of acidic electrolyte container is strictly prohibited;
3.7.4.3 solutions to protect supplies and is the same with acid solution;
3.7.4.4 preparation good electrolyte must be sealed and cannot be exposed to air, in case of carbonate.
3.8 battery power and acceptance
3.8.1 battery power:
Battery charged twice, after a check of battery voltage, electrolyte density, temperature after the normal construction unit to use.
3.8.2 acceptance:
Acceptance should submit the following documents file:
3.8.2.1 product manuals and relevant technical documents;
3.8.2.2 battery installed, charge and discharge records;
3.8.2.3 material analysis report.
4 quality standards
4.1 ensure projects:
4.4.1 battery electrolyte preparation, all the indexes of the first charge and discharge must conform to the requirement of product technical conditions and construction specifications.
Test method: check the charge and discharge records.
4.1.2 battery bus to ground insulation resistance must meet the following requirements:
4.1.2.1 110 v battery is not less than 0.1 M Ω;
4.1.2.2 220 v battery is not less than 0.2 M Ω.
Methods: the measured or check the insulation resistance test records.
4.2 the basic items:
2 battery test bench shall meet the following requirements:
4.2.1.1 wooden bench dry, smooth, no live furuncle and splitting; Bench size is correct, the acid treatment of complete;
4.2.1.2 wooden shelf straight and neat, acid-resistant cement test bench lining is flat and level.
Inspection method: to observe the inspection and check the installation records.
4.2.2 battery installation shall meet the following requirements:
4.2.2.1 solid cushion flat, neat rows, mark the correct, clear and complete, no fracture and defect insulator insulation plate and so on;
4.2.2.2 container without severe precipitation or other sundry, container no leakage of ontology, the surface is clean, the meter clearly visible within the container, the electrolyte level is correct.
Inspection method: to observe the examination.
Holdings battery bus bar installation shall meet the following requirements:
4.2.3.1 busbar and support and bracket flat, fixation, bus straight, bend curvature of uniform, busbar wall strips, fixed tightly sealed good;
4.2.3.2 busbar welding welding, weld defects such as cracks, porosity, wax to the full and smooth welding welding;
4.2.3.3 bus color standard is uniform, the bus arrangement is reasonable.
Inspection method: to observe the examination.
5 finished product protection
5.1 battery compartment door should be locked, and without the permission of the construction and relevant personnel of the installation personnel no entry.
5.2 battery room charge alter ego period domestic demand designated persons on duty.
5.3 battery compartment to keep clean and clear, remove the indoor items, other items are strictly prohibited in the room.
5.4 every need in the battery room construction, protection and dust prevention measures must be taken, in case of collision damage to equipment.
5.5 battery room well ventilated, indoor should be no strong smell, should keep indoor temperature at 10 ~ 30 ℃. Indoor with fire and smoking are strictly prohibited.
6 should pay attention to quality problems
6.1 construction should pay attention to the quality problem of the battery are shown in table 2-9.
Often quality problems and control measures of the table 2-39
The quality problem of the serial number often produce for prevention measures
1 stent after welding, welding slag cleaning not net for construction personnel quality requirements, carefully check after welding
2 metal stents leak brush anti-rust paint and acid lacquer to strengthen the education of construction personnel work sense of responsibility, improve the quality consciousness
3 battery hole tube not do acid sealing materials and division of responsibility clear, avoid mutual shuffle
4 busbar bending construction should adopt special instruments
Should send a strong sense of responsibility of construction workers, before the formal plate welding, to conduct a test weld
Materials used construction according to the requirement and connected to the battery with material without acid before the construction of material should be carefully check, material, quantity, to give an accurate and complete
Strengthen inspection, record seriously, work in strict accordance with the technical requirements for battery charge and discharge
7 should possess the quality of the record
7.1 equipment material receiving inspection records.
7.2 equipment material list and quality certificate.
7.3 charge and discharge records.
7.4 design changes regarding the record.
7.5 kinds of construction quality assessment record.
1 scope
The technology standard is applicable to voltage of 24 v and above, capacity of more than 30 a. h fixed type lead-acid battery and the capacity of more than 10 a. h and cadmium nickel alkaline battery installation.
2 construction preparation
2.1 equipment and material requirements
2.1.1 all use of equipment and equipment shall conform to the state and the customer's current technical standards.
2.1.2 installation of equipment and equipment nameplate, indicating the manufacturer, the equipment name, specification, model, and should have qualified certificates and technical documents.
2.1.3 the specifications of the equipment, model should comply with the design requirements, complete accessories, spare parts.
2.1.4 make lead-acid battery electrolyte with existing national standards should be adopted with sulfuric acid battery with sulfuric acid, and product certification.
2.1.5 dispensing steel nickel alkaline battery electrolyte should be adopted in accordance with the current national standard level 3 chemical purity of potassium hydroxide (KOH), its technological conditions are shown in table 2-36.
2.1.6 battery with distilled water should comply with the current national standard "lead-acid battery water").
2.1.7 bench battery materials should meet the design requirements.
2.1.8 insulator, insulation pad without fracture and defect; No obvious corrosion steel.
2.1.9 other materials: anti-rust paint, acid lacquer, electricity compound, galvanized screws, plastic, asphalt, paint, alcohol, lead plate shall have certificate.
Potassium hydroxide technical conditions table 2-36
Indexes that are pure
Potassium hydroxide (KOH) (%) of 80 or higher
Carbonate (K2CO3) (%) 3 or less
Chloride (Cl) (%) of 0.025 or less
Sulfate (SO4) (%) of 0.01 or less
Nitrogen (N) (%) of 0.001 or less
Phosphate (PO4) (%) of 0.01 or less
Silicate (SiO3) (%) of 0.1 or less
Sodium (Na) (%) 2 or less
Calcium (Ca) (%) of 0.02 or less
Iron (Fe) (%) of 0.002 or less
Heavy metals (Ag) (%) of 0.003 or less
Clarify degree test
2.2 the main equipment:
With liquid pool, bench drill, grinding wheel, electric hammer, hammer, flat file, round file, hand saw, wrench, spirit level, line drop, steel plate
Feet, steel tape, wooden hammer, copper strip Lang bending machine, oil brush, flashlight, electric welding machine, welding tools, platoon, shaking table, multimeter, dc voltmeter, gauge, thermometer, ceramic cylinder, cone, glass rod, measuring cup, liquid suction device, glasses, acid and alkali resistant clothing, rubber gloves, rubber apron, rubber boots, mask.
2.3 operation conditions:
2.3.1 construction drawings and technical data is complete.
2.3.2 civil engineering construction completely, doors and Windows is complete.
2.3.3 battery compartment acid finish on the ground, wall, door, window, ventilation and metal structure should be brush acid paint.
2.3.4 place battery block machine have been finished.
2.3.5 heating, ventilation and lighting meet all conditions of use.
2.3.6 on the battery compartment, sewage through.
3 operation process
3.1 process:
Equipment point check pieces - busbar, cable installation and test bench - to liquor and charge and discharge, battery installation
Alkaline battery with liquid and charge and discharge - sending and acceptance
3.2 equipment point check:
3.2.1 equipment unpacking some pieces of test should be jointly by construction unit, delivery unit, the construction unit, and make records.
3.2.2 according to packing list or delivery of the specifications of the listing, variety, quantity, counting.
3.2.3 factory related technical files are complete.
3.2.4 the specifications of the equipment, model conformed to the design requirements, the attachment is complete, the parts for damage.
3.2.5 lead-acid battery should check the following:
3.2.5.1 battery slot should be no crack, damage, slot cover should be sealed well.
3.2.5.2 positive and negative terminals of the battery must be correct polarity, and should be no deformation; Such as catalysis, acid proof switch plug fittings should be complete without damage; To filter the ventilation performance of gas cap is good.
3.2.5.3 transparent battery slot, should check the plate no serious be affected with damp be affected with damp and deformation; Groove inside a should complete without damage.
3.2.6 cadmium nickel alkaline battery should check the following:
3.2.6.1 battery shell should be no crack, damage, such as leakage phenomenon.
3.2.6.2 correct polarity, inside the shell is complete without damage; Have a hole plug ventilation performance is good.
Article 3.2.6.3 connections, bolts and nuts shall be complete, no rust.
3.2.6.4 electrolyte battery, the liquid level height should be between two metal line; Leakproof embolism should be no loose, fall off.
3.3 busbar, cable installation and test bench.
3.3.1 indoor busbar battery bracket installation to comply with the design requirements. A hanger and insulator feet all should brush acid paint.
3.3.2 rainfall distribution on 10-12 battery lead to the laying of the cable, besides should be consistent with existing national standards "electrical equipment installation project cable line code for construction and acceptance of the relevant provisions, it shall meet the following requirements:
3.3.2.1 appropriate USES plastic sheath cable.
3.3.2.2 pinout application plastic ribbon marked positive and negative polarity. Is extremely ochre, negative extremely blue.
3.3.2.3 holes and seal protection in the application of acid, alkali materials.
3.3.3 battery indoor bare busbar installation, besides should comply with the relevant specification is anti-corrosion measures should be taken. Joints should be coated power compound.
We do the installation of the platform:
3.3.4.1 bench, the number of base frame spacing should be consistent with the design requirements.
3.3.4.2 bench before installation should brush acid paint or bitumen;
3.3.4.3 voltage higher than 48 v battery rack, application of insulator or insulation insulation with the ground;
3.3.4.4 bench installation should level off, shall not be skewed.
3.4 battery installation:
3.4.1 track battery installation shall be in accordance with the design drawings and relevant technical documents for construction.
3.4.2 battery installation should be smooth and uniform spacing; The same order of battery should be highly consistent, neat rows.
Rule 3.4.3 seismic requirements, the seismic measures should comply with the relevant provisions of reliable and strong.
3.4.4 thermometer, liquid level line should be on one side is easy to check.
3.5 with liquid and charging and discharging:
3.5.1 track of liquor before should do the following work:
3.5.1.1 sulphuric acid should be a dedicated battery acid, and should have the factory product certificate;
3.5.1.2 distilled water should conform to the requirements of the standard;
3.5.1.3 electric storage tank should be cleaned up;
3.5.1.4 to be prepared for the charging power supply, ensure reliable power supply power supply;
3.5.1.5 ready liquor equipment, testing equipment and labor insurance supplies.
3.5.2 deployment of electrolyte:
3.5.2.1 liquor is a meticulous work, the operating personnel should strictly stipulated in the technical data and the matters needing attention, in case of wrong operation;
3.5.2.2 in deployment of electrolytic watanabe, put the distilled water in has been prepared with liquid in the container, and then pour sulfuric acid slowly into distilled water, stirring with a glass rod in order to mix at the same time, fast heat dissipation;
3.5.2.3 are strictly prohibited to pour distilled water to sulfuric acid, to prevent thermal explosion.
3.5.3 electrolyte mixture density should be in accordance with the technical regulations of the product specifications, see table 2-37-38, table 2.
Lead-acid battery materials and electrolyte standard table 2-37
Indicators of said electrolyte in the sulfuric acid using distilled water
- H2SO4 (sulfuric acid) content (%) 92 40 ~ 15 or more
Ignition residue content (%) of 0.05 or less acuities were 0.02, 0.01 or less
Manganese (Mn) content (%) of 0.0001 or less acuities were 0.00004, 0.00001 or less
Iron (Fe) content (%) of 0.012 or less acuities were 0.004, 0.0004 or less
The content of arsenic (As) (%) of 0.0001 or less 0.00003 or less
Chlorine (Cl) (%) of 0.001 or less acuities were 0.0007, 0.0005 or less
The content of nitrogen (N) (%) of 0.001 or less
Reduction of potassium permanganate material (O) content (%) of 0.002 or less acuities were 0.0008, 0.0002 or less
Chromaticity measurement (ml) of 2.0 or less
(mm) or greater transparency 50 colorless transparent colorless transparent
Resistivity (25 ℃) (Ω · cm) 10 x 104 or higher
Nitrate and nitrite (N) (%) of 0.0005 or less 0.0003 or less
Ammonium (NH4) content (%) of 0.005 or less 0.0008 or less
Copper (Cu) content (%) of 0.002 or less
Alkaline earth metal oxide (CaO) (%) of 0.005 or less
The content of sulfur dioxide (SO2) (%) of 0.007 or less
Alkaline battery with electrolyte standard - 38 in table 2
Project of new electrolyte using limit value
Outside view of colorless transparent, without suspended matter
Dense degree of 1.19 ~ 1.25 (25 ℃) 1.19 ~ 1.21 (25 ℃)
Contain quantity KOH240 ~ 270 g/l KOH240 ~ 270 g/l
Cl - < 0.1 g/l < 0.1 g/l
CO2
< < 50 8 g/l g/l
Ca, Mg < 0.1 g/l < 0.1 g/l
Ammonia sediments Al/KOH < < 0.02% and 0.02%
Fe/KOH < < 0.05% and 0.05%
3.5.4 injection battery electrolyte, its temperature is higher than that of 30 ℃, straight when the room temperature 30 ℃ above, shall not be higher than room temperature. Injection of liquid level height degree should be between the high and low liquid level line.
2.6.2 fixed opening type battery separator inserted within 24 h before injecting electrolyte, electrolyte injection should be higher than plate upper 10 to 20 mm.
3.5.6 battery charging to the electrolyte into 3 ~ 5 h (normally not straight for more than 12 h), liquid temperature below 30 ℃, charging liquid temperature should not be higher than 45 ℃.
Against the flame-proof type lead acid storage battery 3.5.7 acid flame-proof switch in acid injection after installed, charging to prevent leakage of acid gas a lot.
3.5.8 battery when charging products in strict accordance with the technical requirements.
3.5.9 battery meets the following conditions has enough: (l) can be thought of strong air bubbles in the positive and negative plate; (2) e., increase the proportion of the electrolyte to the product description is generally 1.20 ~ 1.2.1 (when temperature is + 15 ℃) and remained unchanged in 3 h; (3) of each battery voltage is increased to 2.5 ~ 2.75 V, and remains unchanged in 3 h; (4) the color of the plate is plate into red brown or dark brown, negative plate is grey.
3.5.10 after charging, the proportion of the electrolyte, liquid level height should be adjusted, the adjustment after charging for half an hour.
3.5.11 battery discharge should be performed in accordance with the requirements of product technology, should not put.
3.5.12 battery has the following characteristics of the population of discharge has been completed:
3.5.12.1 battery voltage to 1.8 V.
3.5.12.2 plate color, positive plate for brown, black negative plate;
3.5.12.3 electrolyte proportion, average 1.17 ~ l. 15.
3.5.13 the temperature at 25 ℃, the discharge capacity should reach more than 85% of the rated capacity; When the temperature is 25 ℃, its capacity can press type conversion:
C25 =
Type of t - discharge process, the average temperature of the electrolyte (℃);
Ct - at the actual capacity of the liquid temperature of t ℃ (a. h);
C25, when converted to standard temperature (25 ℃) capacity (a. h);
Temperature coefficient of 0.008 - capacity.
3.5.14 battery charged immediately after discharge, interval of not more than 10 h.
3.5.15 charge and discharge process, according to the rules of time to make a good record of voltage, current, density, temperature and plot of charging and discharging characteristics.
3.6 battery construction matters needing attention:
3.6.1 battery compartment ventilation must be good;
3.6.2 battery room is strictly prohibited fireworks;
3.6.3 plate welding, must be carried out by an experienced welder and electrician to cooperate;
3.6.4 radar echoes captured battery liquor should be by construction experience of electrical operation, and supervision by designated personnel;
3.6.5 liquor storage battery room should be for 5% of the sodium carbonate solution and water to prevent accidents.
3.6.6 is strictly forbidden to distilled water to dump in sulphuric acid;
3.6.7 injection allocation electrolyte, the operator must wear special protection products (protective glasses, rubber gloves, rubber apron, rubber boots, masks), to ensure safe operation;
3.6.8 battery charge and discharge in accordance with the technical data, in case of overcharge, discharge damage plate, affect the service life.
3.7 alkaline battery charge and discharge and the matters needing attention:
3.7.1 alkaline liquor and battery charging and discharging according to product manuals and relevant technical data.
3.7.2 electrolyte injection:
3.7.2.1 battery cleaning, wipe away the oil;
3.7.2.2 injecting electrolyte using glass funnel or stolen funnel; Two hours after the injection of voltage measurement, such as measuring out to 8 ~ 10 h, test it again, still couldn't measure the voltage or voltage is too low, that the battery is bad, need to replace the battery;
3.7.2.3 electrolyte injection after 2 hours to check the liquid level height, liquid level must be higher than plate 10 ~ 15 mm;
3.7.2.4 in the electrolyte injection of a small amount of heat the oil or petroleum jelly, floating in the liquid surface, cut off the air, prevent the carbon dioxide in the air to come into contact with the electrolyte.
3.7.3 charge and discharge:
3.7.3.1 alkaline battery charge and discharge shall be carried out according to the requirement of the specifications;
3.7.3.2 if not specify, charge and discharge current can be calculated by the following methods: the capacity of the battery is divided by 4 (or multiplied by 25%), i.e. the rated capacity of 100 a. h available 25 a battery recharged;
3.7.3.3 steel nickel battery charging with normal charging current first 6 h, 1/2 normal charging current continue to allow 6 h, with 8 h discharge rate discharge 4 h, then such circulation, charge and discharge for three times;
3.7.3.4 on iron nickel battery use normal charging current 12 h, reoccupy 8 h rate discharge, when polar voltage drop to 1.1 V, with a rate of 12 h normal charging current (1/3) a charge.
3.7.4 precautions:
3.7.4.1 dispensing container application of alkaline electrolyte iron and steel, ceramics and enamel;
3.7.4.2 preparation of acidic electrolyte container is strictly prohibited;
3.7.4.3 solutions to protect supplies and is the same with acid solution;
3.7.4.4 preparation good electrolyte must be sealed and cannot be exposed to air, in case of carbonate.
3.8 battery power and acceptance
3.8.1 battery power:
Battery charged twice, after a check of battery voltage, electrolyte density, temperature after the normal construction unit to use.
3.8.2 acceptance:
Acceptance should submit the following documents file:
3.8.2.1 product manuals and relevant technical documents;
3.8.2.2 battery installed, charge and discharge records;
3.8.2.3 material analysis report.
4 quality standards
4.1 ensure projects:
4.4.1 battery electrolyte preparation, all the indexes of the first charge and discharge must conform to the requirement of product technical conditions and construction specifications.
Test method: check the charge and discharge records.
4.1.2 battery bus to ground insulation resistance must meet the following requirements:
4.1.2.1 110 v battery is not less than 0.1 M Ω;
4.1.2.2 220 v battery is not less than 0.2 M Ω.
Methods: the measured or check the insulation resistance test records.
4.2 the basic items:
2 battery test bench shall meet the following requirements:
4.2.1.1 wooden bench dry, smooth, no live furuncle and splitting; Bench size is correct, the acid treatment of complete;
4.2.1.2 wooden shelf straight and neat, acid-resistant cement test bench lining is flat and level.
Inspection method: to observe the inspection and check the installation records.
4.2.2 battery installation shall meet the following requirements:
4.2.2.1 solid cushion flat, neat rows, mark the correct, clear and complete, no fracture and defect insulator insulation plate and so on;
4.2.2.2 container without severe precipitation or other sundry, container no leakage of ontology, the surface is clean, the meter clearly visible within the container, the electrolyte level is correct.
Inspection method: to observe the examination.
Holdings battery bus bar installation shall meet the following requirements:
4.2.3.1 busbar and support and bracket flat, fixation, bus straight, bend curvature of uniform, busbar wall strips, fixed tightly sealed good;
4.2.3.2 busbar welding welding, weld defects such as cracks, porosity, wax to the full and smooth welding welding;
4.2.3.3 bus color standard is uniform, the bus arrangement is reasonable.
Inspection method: to observe the examination.
5 finished product protection
5.1 battery compartment door should be locked, and without the permission of the construction and relevant personnel of the installation personnel no entry.
5.2 battery room charge alter ego period domestic demand designated persons on duty.
5.3 battery compartment to keep clean and clear, remove the indoor items, other items are strictly prohibited in the room.
5.4 every need in the battery room construction, protection and dust prevention measures must be taken, in case of collision damage to equipment.
5.5 battery room well ventilated, indoor should be no strong smell, should keep indoor temperature at 10 ~ 30 ℃. Indoor with fire and smoking are strictly prohibited.
6 should pay attention to quality problems
6.1 construction should pay attention to the quality problem of the battery are shown in table 2-9.
Often quality problems and control measures of the table 2-39
The quality problem of the serial number often produce for prevention measures
1 stent after welding, welding slag cleaning not net for construction personnel quality requirements, carefully check after welding
2 metal stents leak brush anti-rust paint and acid lacquer to strengthen the education of construction personnel work sense of responsibility, improve the quality consciousness
3 battery hole tube not do acid sealing materials and division of responsibility clear, avoid mutual shuffle
4 busbar bending construction should adopt special instruments
Should send a strong sense of responsibility of construction workers, before the formal plate welding, to conduct a test weld
Materials used construction according to the requirement and connected to the battery with material without acid before the construction of material should be carefully check, material, quantity, to give an accurate and complete
Strengthen inspection, record seriously, work in strict accordance with the technical requirements for battery charge and discharge
7 should possess the quality of the record
7.1 equipment material receiving inspection records.
7.2 equipment material list and quality certificate.
7.3 charge and discharge records.
7.4 design changes regarding the record.
7.5 kinds of construction quality assessment record.
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