In processing 15 000 t of lead-acid battery production equipment installed inside the main example Equipment specification example name unit Quantity specification Separator set 1 5t waste lead storage battery per hour (including 20m 3 conversion tank and 20m 2 plate and frame filter presses) Coating machine set 1 120 pieces per hour Electrolytic cell only 400 Length = 0.83m , width = 0.53m , height = 0.50m Rectifier station 10 0~750A/150V Alloy melting pot set 1 20t Material melting pot after electrolysis set 1 10t Continuous ingot casting machine set 1 20t/h Process conditions The solid-phase electrolytic treatment of waste lead-acid batteries is as follows: Balance sheet support     Out / yuan Receive   In / yuan name Quantity unit price price name Quantity unit price price Waste lead storage battery 50t 1800 90000 Electric lead 16t 600 73600 Electricity (electrolysis + power) 6600kW · h 0.6 15960 alloy 12t 5200 2400 Liquid alkali ( 50% ) 6t 1100 6600 plastic 2.8t 1000 2800 Artificial 30 workers 50 1500 　 　 　 　 LPG 　 　 900 　 　 　 　 water 　 　 250 　 　 　 　 other 　 　 400 　 　 　 　 total 　 　 115610 　 　 　 138800 references: The curved arm aerial work vehicle is widely used for installation, maintenance and climbing operations in municipal, electric power, street lamp, advertisement, communication, photography, garden, traffic, wharf, airport port, large industrial and mining enterprises and other industries. Towable Boom Lifts,Towable Manlift Trailer Boom Lift,Trailer Towable Man Boom Lift,Towable Boom Lift Trailer zhongcan machinery Co.,Ltd , https://www.zclift.com
See the table below for examples of equipment. Waste lead battery separator (including two 20-line conversion tanks and 20 expansion frame filter presses and other equipment) can be imported from abroad, can handle 5t waste lead storage batteries per hour, with high degree of automation, only one person is required to operate . The lead mud coating machine is designed and manufactured by itself, and can be coated with 120 pieces per hour. Electrolysis has 10 lines, each line has 40 slots, each block has 4 cathodes, 5 anodes, the plate area is 0.2m 2 , and the plate materials are all stainless steel. One cycle of electrolysis is 20h. After the electrolytic material facing l0t iron melt pot, and the melting grid alloy formulated in 20t wok. There is also a set of 30m 3 wastewater treatment plant.
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Current density: 600A/m 2 ;
Electrolyte: 10%~15% NaOH solution;
Temperature: 40~60 °C;
Pole spacing: 80mm;
Cell voltage: 1.9~2.6V.
Technical and economic indicators The technical and economic indicators for solid phase electrolytic treatment of waste lead-acid batteries are as follows:
Alloy melting recovery rate: 80%, (the total metal recovery after scum solid phase electrolysis is 95%);
Solid phase electrolytic lead recovery rate: 95%; current efficiency: 85%;
Solid phase electrolysis power consumption: 600kW·h/tPb;
Electrical lead purity: >99.994%;
Alkali consumption: 200kg NaOH / tPb;
Oil and gas consumption (with molten lead): 20m 3 / tPb;
After treatment of wastewater: lead <0.5 x 10 -4 %, BOD <100 x 10 -4 %.
The table below shows the daily income and expenditure of the production unit for processing 15,000 tons of waste lead-acid batteries per year.
.. 1 Fu-yuan, production status and development trend China Secondary Lead Zinc Lead Information (1999) conference special issue: 36-47
2 K.Strode, Recovery of Metals from Lead-containing Scrap Materials, British Patent 1368 423 (1974)
3 R F. Lee, Electrolytic Recovery of Lead, British Patent 1428 957 (1976)
4 Lu Keyuan. Lead-containing material solid phase electrolysis device. Chinese patent, 85200287.4 (1986)
5 Lu Keyuan. Solid phase electrolysis treatment of waste lead storage battery production practice. Non-ferrous metals (smelting part), 1999 (5): 1-3
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