9 results about "Lead electrolyte" patented technology

Methods for operating a flooded electrolyte battery cell used in motive service to prevent the loss of water. When charging the cell, water in the electrolyte decomposes electrolytically to oxygen and hydrogen gases. The method includes catalytically recombining the oxygen and hydrogen gases to water vapor, inhibiting venting of the oxygen and hydrogen gases and water vapor from the cell, providing fluid communication between the catalyst and the electrolyte for the oxygen and hydrogen gases and water vapor, and hygroscopically absorbing the water vapor into the electrolyte. Devices and battery cells for carrying out the method are also provided.

The invention discloses a method for recycling lead from waste lead-acid storage battery lead plaster through electrolysis, and belongs to the technical field of solid waste treatment and recycling. The method for recycling lead through electrolysis of the waste lead-acid storage battery lead plaster comprises the following steps that the waste lead-acid storage battery lead plaster, an additional lead source containing metal lead and an acetate solution are mixed and leached, a lead acetate leaching solution is obtained, then the lead acetate leaching solution serves as an electrolyte for electrolysis, and a metal lead product is obtained. According to the method, the lead-containing electrolyte can be obtained through one-step leaching, and the electrolyte is neutral, so that the corrosion of strong acid and strong alkali is avoided. According to the technical method provided by the invention, the metal lead with high purity and low impurity content can be obtained. In the electrolysis step, the electrolysis energy consumption is not higher than 600 kwh / t lead, the current efficiency is higher than 97%, and the lead recovery rate reaches 99% or above.

The present invention relates to the technical field of impurity removal, and in particular to a device for rapid impurity removal from lead electrolyte, comprising a shell, wherein left and right edges of an upper end face of the shell are provided with a card slot, a plug post is fixedly connected to the bottom of an inner cavity of the card slot, a mounting bracket is slidably connected to the inner cavity of the card slot, an anode sheet and a cathode sheet are respectively mounted on the outside of the mounting bracket, the left and right end faces of the shell are fixedly connected to a fixed cylinder, a lower end face of the fixed cylinder is fixedly connected to a conduit, an end of the conduit away from the fixed cylinder is fixedly connected to the shell, and a transmission mechanism is provided on the front face of the shell. The present invention simplifies the structure of the device, improves the convenience of operation for workers, can be used in different factories, and makes it more practical.

The invention discloses a universal device for same-period and non-same-period lead electrolysis, a using method and a production line. The universal device comprises an electrolytic bath; the anode scrap washing unit is used for receiving and washing the primary electrolysis anode plate and the secondary electrolysis anode plate transferred from the electrolytic bath; the transfer mechanism comprises a primary electrolysis transfer assembly and a secondary electrolysis transfer assembly, and the secondary electrolysis transfer assembly is in butt joint with the anode scrap washing unit and is used for receiving and transferring a secondary electrolysis anode plate; the conveying mechanism is connected with the output end of the anode scrap washing unit, and the conveying mechanism receives and conveys the primary electrolysis anode plate so that the primary anode scrap can be in butt joint with the primary electrolysis transfer assembly; the row pitch unit receives the row pitch of the primary electrolysis anode plate and the row pitch of the secondary electrolysis anode plate respectively. The conveying mechanism is additionally arranged on the basis of original equipment to treat the anode plate subjected to primary electrolysis, and the primary electrolysis transfer assembly and the secondary electrolysis transfer assembly are matched, so that universal treatment of electrolysis in different periods is achieved, the electric efficiency is improved, and the anode scrap rate is reduced.

Methods for operating a flooded electrolyte battery cell used in motive service to prevent the loss of water. When charging the cell, water in the electrolyte decomposes electrolytically to oxygen and hydrogen gases. The method includes catalytically recombining the oxygen and hydrogen gases to water vapor, inhibiting venting of the oxygen and hydrogen gases and water vapor from the cell, providing fluid communication between the catalyst and the electrolyte for the oxygen and hydrogen gases and water vapor, and hygroscopically absorbing the water vapor into the electrolyte. Devices and battery cells for carrying out the method are also provided.

The invention discloses an insoluble anode plate for lead electrolytic refining and a using method thereof.The insoluble anode plate comprises a composition plate and a conductive part arranged at the top of the composition plate, the conductive part and the composition plate are detachably connected through a connecting piece, and the composition plate comprises a pair of graphite plates and a titanium plate clamped between the graphite plates. The insoluble anode plate is simple in structure, the composition plate composed of the titanium plate and the graphite plate is adopted as the anode base body, the concentration of lead ions in lead electrolyte can be greatly reduced, the insoluble anode plate is not prone to deformation, the cathode and anode short circuit phenomenon in a groove in the electrolysis process can be effectively eradicated, and the service life of the anode plate is prolonged. The electrodeposition period of the insoluble anode plate is prolonged, the number of times of recycling of the insoluble anode plate is effectively increased, the unit consumption of subsequent electrolysis direct current is greatly reduced, and the direct current efficiency is improved.

Methods for operating a flooded electrolyte battery cell used in standby service to prevent the loss of water. When charging the cell, water in the electrolyte decomposes electrolytically to oxygen and hydrogen gases. The method includes catalytically recombining the oxygen and hydrogen gases to water vapor, inhibiting venting of the oxygen and hydrogen gases and water vapor from the cell, providing fluid communication between the catalyst and the electrolyte for the oxygen and hydrogen gases and water vapor, and hygroscopically absorbing the water vapor into the electrolyte. Devices and battery cells for carrying out the method are also provided.

The present invention relates to the field of electrochemical technology, and in particular to a method for increasing the conductive area of ​​an anode in adjustable lead electrolysis. The method provides an adjustable anode comprising a conductive substrate and an adjustable layer. The adjustable anode is placed in the anode area of ​​a lead electrolysis cell and connected to an anode lead to ensure good current conduction. The electrochemical behavior of the adjustable layer is adjusted according to the needs of the electrolysis process, thereby changing the conductive area of ​​the anode. The lead electrolyte is debugged by providing lead ions for electrolysis reaction, using lead salts, lead-containing compounds or other soluble lead compounds as the source of lead ions; an oxidant is provided by providing oxygen molecules or an oxidant, and oxygen, peroxide, layered hydrogen peroxide and other oxidants are selected; additives include a conductivity enhancer and a surfactant; a buffer is used to adjust the acidity and alkalinity of the electrolyte; and an electrolyte solvent is used to dissolve the above components, and a silicofluoric acid aqueous solution or an organic solvent is selected.

The invention belongs to the technical field of lead electrolysis, and discloses a method for reducing the lead content of lead anode slime and improving the lead ion concentration of electrolyte, the anode slime is washed by using the lead electrolyte, and lead in the anode slime is dissolved into washing liquid to be enriched by controlling the washing liquid-solid ratio, the stirring temperature and the stirring time, so that the lead content of the anode slime is reduced, and the lead ion concentration of the electrolyte is improved. And the obtained washing liquid is subjected to filter pressing to realize liquid-solid separation, and the filtrate with high lead ion concentration is supplemented into an electrolysis circulation system from a low tank after being clarified, so that the lead ions in the electrolyte are supplemented, the stability of the system is maintained, and high-current-density electrolysis is realized.