Disclosure of Invention
The invention aims to provide equipment for quickly removing electrolyte of a waste lithium battery, which is used for solving the problems of high equipment use cost and low material treatment efficiency in the electrolyte removal process in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a waste lithium battery electrolyte rapid removal device comprises a rack and an arc-shaped bracket, wherein a spiral conveying pipe is fixed at the top end of the arc-shaped bracket, a fixed seat is fixed at one side of the bottom end of the spiral conveying pipe, a direct-drive motor is installed on the outer wall of one side of the fixed seat, a flood dragon conveying roller is installed inside the spiral conveying pipe in a rotating mode, a chain driving unit for driving the flood dragon conveying roller to rotate is arranged at the output end of the direct-drive motor, a feeding crushing assembly is arranged at one side of the top end of the spiral conveying pipe and consists of a pair-roller crushing box and a pushing unit, a heat exchanger is arranged at one side of the rack, an air outlet end of the heat exchanger is provided with an air supply pipe, the top end of the air supply pipe extends to the inside of the spiral conveying pipe, a gas discharge main pipe is installed at one side of the top end of the spiral conveying pipe, an arc-shaped supporting plate is installed at the top end of the gas discharge main pipe, the gas purification device comprises an arc-shaped supporting plate, a gas purification structure, a circulating gas pump, a heat exchanger, a main switch valve, a gas discharge auxiliary pipeline, a protective atmosphere gas inlet pipe, a hose, a main switch valve, a gas discharge auxiliary pipeline, a gas exhaust pipeline and a gas exhaust pipeline, wherein the top end of the arc-shaped supporting plate is provided with the purification box, the gas purification structure is arranged in the purification box, the circulating gas pump is arranged on one side of the top end of the arc-shaped supporting plate, the gas inlet end of the circulating gas pump extends into the purification box through the hose, the output end of the circulating gas pump is provided with the gas discharge auxiliary pipeline, the bottom end of the gas discharge auxiliary pipeline is connected with the gas inlet end of the heat exchanger, the main switch valve is arranged on one side of the surface of the gas discharge auxiliary pipeline, and the protective atmosphere gas inlet pipe is arranged at one end of the surface of the gas discharge auxiliary pipeline;
gaseous purification structure is including installing the primary particle filter screen in bottom of the purifying box both sides, and is two sets of active carbon particle layer is installed to the bottom of the purifying box between the primary particle filter screen, it has titanium dioxide photocatalyst filter screen to fill in the wall between primary particle filter screen and the active carbon particle layer, control panel is installed to one side of frame bottom.
Preferably, the chain drive unit is including installing the dirt proof housing on the fixing base outer wall, the inside both ends of dirt proof housing are provided with main chain wheel and auxiliary sprocket respectively, and the main chain wheel is installed on the output that directly drives the motor, and the auxiliary sprocket is installed in the one end of flood dragon conveying roller.
Preferably, a chain body is connected between the main chain wheel and the auxiliary chain wheel, and the chain body is a 24A load chain.
Preferably, a heat insulation sleeve is fixed at one end of the surface of the spiral conveying pipe, a hollow layer is arranged inside the heat insulation sleeve, and a vacuum heat insulation plate is arranged inside the hollow layer.
Preferably, the double-roll crushing box comprises a main crushing roll and a secondary crushing roll which are arranged on the inner wall of the double-roll crushing box, wherein a main gear is fixed at the top end of the main crushing roll, and a secondary gear is fixed at the top end of the secondary crushing roll.
Preferably, the outer wall of one side of the pair-roller crushing box is provided with a torque motor, and the output end of the torque motor is connected with the other end of the main crushing roller.
Preferably, inclined baffles are fixed on two inner side walls of the double-roller crushing box, two groups of inclined baffles are arranged and made of alloy steel components, and the two groups of inclined baffles are in a symmetrical structure relative to the central line of the double-roller crushing box.
Preferably, the material pushing unit comprises a transverse seat arranged on the outer wall of the double-roller crushing box, a double-rod cylinder is arranged at the bottom of the transverse seat, a top plate is fixed at the top end of a piston rod of the double-rod cylinder, and a material squeezing roller is fixed on one side of the bottom end of the top plate.
Preferably, the length of the material extrusion roller is the same as the width of the double-roller crushing box, the material extrusion roller is made of a component made of alloy steel, and the outer surface of the material extrusion roller is provided with a zinc coating.
Preferably, an enrichment-completed gas discharge pipeline is installed on one side of the top end of the purification box, an auxiliary switch valve is installed on the top end of the enrichment-completed gas discharge pipeline, and the top end of the auxiliary switch valve is connected with an external waste gas treatment end.
Compared with the prior art, the invention has the beneficial effects that: according to the equipment for quickly removing the electrolyte of the waste lithium battery, the concentration of the electrolyte in an enrichment atmosphere reaches a level that the using amount of protective gas is controlled to be lower through circulation of the dry gas, the gas and the battery conveying equipment are heated, the electrolyte removing efficiency is improved, the electrolyte removing time is shortened, the continuity of a treatment process is ensured, and the volume of the equipment is greatly reduced compared with that of a traditional rotary furnace;
(1) through the mutual matching structure of the heat exchanger, the chain driving unit and the like, the protective atmosphere air inlet pipe is connected to the protective atmosphere supply end, so that the protective atmosphere enters the heat exchanger to be heated until the protective atmosphere is heated to three hundred fifty degrees and then enters the spiral conveying pipe through the air supply pipe, the direct drive motor and the chain driving unit are mutually matched to drive the auger conveying roller to rotate and convey materials, at the moment, the electrolyte in the spiral conveying pipe is heated by the protective atmosphere and blown by hot air to be dried to be changed into gas, the gas enters the purifying box and the auxiliary switch valve through the gas discharge main pipeline and is discharged to the external waste gas treatment end, the residual solid and battery waste after the electrolyte is dried fall out from the outlet of the spiral conveying pipe, the control of the circulating gas quantity is realized by the auxiliary switch valve and the main switch valve in the process, namely, the concentration of the electrolyte in the atmosphere in the gas discharge pipeline after enrichment is adjusted, compared with the traditional rotary furnace, the volume of the equipment is reduced by more than one time, and the operation cost is low;
(2) through the arrangement of the mutually matched structures of the pair-roller crushing box, the dragon conveying roller and the like, the main crushing roller, the main gear and the pinion are sequentially driven to rotate through the torsion motor, the pinion drives the auxiliary crushing roller to rotate, so that the auxiliary crushing roller and the main crushing roller crush the waste lithium battery, the crushed material and electrolyte enter the spiral conveying pipe, and the equipment can continuously remove the battery electrolyte through continuous pushing of the dragon conveying roller, so that the efficiency of removing the electrolyte by the battery is improved, and the processing speed is higher;
(3) through being provided with the structure of mutually supporting such as insulation support and hollow layer, carry out heat preservation processing to the spiral delivery pipe through the vacuum insulation board in the hollow layer, reduce the heat loss of equipment, and then reduce the operating cost of equipment.
(4) Through being provided with the structure that pushes away material unit and roll crushing case etc. mutually support, utilize the reciprocal pulling roof of two pole cylinders, the material squeeze roll goes up and down, the material squeeze roll is treated broken material and is exerted pressure this moment for material and main crushing roller, vice crushing roller in close contact with, and then lifting means's material crushing efficiency makes and leaves the material and the electrolyte of capacity in the auger delivery pipe all the time and is pushed.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, as shown in fig. 1 to 8, the spiral conveying device comprises a rack 1 and an arc-shaped bracket 2, wherein a spiral conveying pipe 6 is fixed at the top end of the arc-shaped bracket 2, a fixed seat 3 is fixed at one side of the bottom end of the spiral conveying pipe 6, a direct-drive motor 4 is installed on the outer wall of one side of the fixed seat 3, a flood dragon conveying roller 18 is rotatably installed inside the spiral conveying pipe 6, and a chain driving unit 5 for driving the flood dragon conveying roller 18 to rotate is arranged at the output end of the direct-drive motor 4;
the chain driving unit 5 comprises a dustproof shell 501 arranged on the outer wall of the fixed seat 3, a main chain wheel 502 and an auxiliary chain wheel 504 are respectively arranged at two ends of the interior of the dustproof shell 501, the main chain wheel 502 is arranged at the output end of the direct drive motor 4, the auxiliary chain wheel 504 is arranged at one end of the dragon conveying roller 18, a chain main body 503 is connected between the main chain wheel 502 and the auxiliary chain wheel 504, the chain main body 503 is a 24A load chain, the main chain wheel 502 is driven by the direct drive motor 4 to rotate, the main chain wheel 502 drives the chain main body 503 and the auxiliary chain wheel 504 to rotate, the auxiliary chain wheel 504 drives the dragon conveying roller 18 to rotate, and the axial working load of the direct drive motor 4 is reduced through the chain driving unit 5;
a feeding and crushing assembly is arranged on one side of the top end of the spiral conveying pipe 6 and consists of a pair-roller crushing box 8 and a material pushing unit 9, a worker puts in a waste lithium battery of electrolyte to be treated from an inlet at the top end of the pair-roller crushing box 8, the pair-roller crushing box 8 and the material pushing unit 9 are used for crushing the waste lithium battery, and the crushed material and the electrolyte enter the spiral conveying pipe 6;
a heat exchanger 16 is arranged on one side of the rack 1, an air outlet end of the heat exchanger 16 is provided with an air supply pipe 17, the top end of the air supply pipe 17 extends into the spiral conveying pipe 6, a main gas discharging pipe 14 is arranged on one side of the top end of the spiral conveying pipe 6, an arc-shaped supporting plate 10 is arranged on the top end of the spiral conveying pipe 6 on one side of the main gas discharging pipe 14, a purifying box 11 is arranged on the top end of the arc-shaped supporting plate 10, an enrichment-finished gas discharging pipe 1101 is arranged on one side of the top end of the purifying box 11, an auxiliary switch valve 1102 is arranged on the top end of the enrichment-finished gas discharging pipe 1101, and the top end of the auxiliary switch valve 1102 is connected with an external waste gas treatment end;
a circulating air pump 12 is arranged on one side of the top end of the arc-shaped supporting plate 10, the air inlet end of the circulating air pump 12 extends into the purifying box 11 through a hose, an air discharge auxiliary pipeline 13 is arranged on the output end of the circulating air pump 12, the circulating air pump 12 is a circulating power source of protective atmosphere, the bottom end of the air discharge auxiliary pipeline 13 is connected with the air inlet end of a heat exchanger 16, a main switch valve 15 is arranged on one side of the surface of the air discharge auxiliary pipeline 13, part of dry battery gas is mixed with supplementary gas through the air discharge auxiliary pipeline 13, and the control of the amount of circulating gas is realized by the auxiliary switch valve 1102 and the main switch valve 15, when the concentration of the electrolyte in the atmosphere in the gas discharge pipeline 1101 after enrichment is finished is lower than a preset value, the auxiliary switch valve 1102 is turned off, the main switch valve 15 is turned on, otherwise, the auxiliary switch valve 1102 is turned on, the main switch valve 15 is turned off, and the concentration of the electrolyte-containing atmosphere can be effectively controlled in the process;
a protective atmosphere inlet pipe 1301 is mounted at one end of the surface of the gas discharge auxiliary pipeline 13, the protective atmosphere inlet pipe 1301 is connected to a protective atmosphere supply end, protective atmosphere enters the heat exchanger 16 to be heated, and the heated protective atmosphere enters the spiral conveying pipe 6 through the gas supply pipe 17 after being heated to three hundred fifty degrees;
the conveyor rollers 18 are driven to rotate and convey materials by the mutual matching of the direct drive motor 4 and the chain drive unit 5, at the moment, the electrolyte in the spiral conveying pipe 6 is heated by protective atmosphere and blown by hot air to be dried, then the electrolyte is changed into gas, and the gas enters the purifying box 11 and the auxiliary switch valve 1102 through the main gas discharge pipe 14 and is exhausted to the external waste gas treatment end side by side;
the continuous pushing of the auger conveying rollers 18 can enable the equipment to continuously remove the electrolyte of the battery, and the residual solid and the battery waste after the electrolyte is dried fall out from the outlet of the spiral conveying pipe 6, so that the function of the equipment for quickly removing the electrolyte is realized;
a gas purification structure 19 is arranged in the purification box 11, the gas purification structure 19 comprises primary particle filters 1901 arranged on two sides of the bottom of the purification box 11, an activated carbon particle layer 1903 is arranged at the bottom of the purification box 11 between the two primary particle filters 1901, a titanium dioxide photocatalyst filter 1902 is filled in a partition between the primary particle filter 1901 and the activated carbon particle layer 1903, and when waste gas is discharged from the auxiliary switch valve 1102, large particle impurities and peculiar smell in the waste gas are adsorbed through the primary particle filter 1901, the activated carbon particle layer 1903 and the titanium dioxide photocatalyst filter 1902, so that the work load of subsequent waste gas treatment equipment is reduced;
a control panel 101 is installed on one side of the bottom of the rack 1, and the output end of a single chip microcomputer in the control panel 101 is electrically connected with the input ends of the direct drive motor 4 and the circulating air pump 12 respectively.
In the second embodiment, based on the first embodiment, as shown in fig. 2, a heat insulating sleeve 7 is fixed at one end of the surface of the spiral conveying pipe 6, a hollow layer 701 is arranged inside the heat insulating sleeve 7, a vacuum heat insulating plate 702 is installed inside the hollow layer 701, and heat insulating treatment is performed on the spiral conveying pipe 6 through the vacuum heat insulating plate 702 in the hollow layer 701, so that heat loss of equipment is reduced, operation cost of the equipment is reduced, and materials are crushed.
In the third embodiment, based on the first embodiment, referring to fig. 1, 2, 6 and 7, two inclined baffles 806 are fixed on two inner side walls of the pair roller crushing box 8, two sets of the inclined baffles 806 are provided, the inclined baffles 806 are made of alloy steel, the inclined baffles 806 serve as material guides, the two sets of the inclined baffles 806 are symmetrical with respect to a center line of the pair roller crushing box 8, and the auxiliary crushing roller 804 and the main crushing roller 802 crush the waste lithium batteries;
the double-roller crushing box 8 comprises a main crushing roller 802 and a secondary crushing roller 804 which are arranged on the inner wall of the double-roller crushing box, a main gear 803 is fixed at the top end of the main crushing roller 802, a secondary gear 805 is fixed at the top end of the secondary crushing roller 804, a torsion motor 801 is arranged on the outer wall of one side of the double-roller crushing box 8, the output end of the torsion motor 801 is connected with the other end of the main crushing roller 802, the torsion motor 801 is started, the main crushing roller 802, the main gear 803 and the secondary gear 805 are sequentially driven to rotate through the torsion motor 801, the secondary gear drives the secondary crushing roller 804 to rotate, and the crushed materials and electrolyte enter the spiral conveying pipe 6;
the material pushing unit 9 comprises a transverse seat 901 arranged on the outer wall of the paired roller crushing box 8, a double-rod cylinder 902 is arranged at the bottom of the transverse seat 901, a top plate 903 is fixed at the top end of a piston rod of the double-rod cylinder 902, a material extrusion roller 904 is fixed at one side of the bottom end of the top plate 903, the length of the material extrusion roller 904 is the same as the width of the paired roller crushing box 8, the material extrusion roller 904 is made of an alloy steel member, a zinc coating is arranged on the outer surface of the material extrusion roller 904, and the zinc coating has the corrosion resistance of the material extrusion roller 904;
staff's accessible control panel 101 opens double-rod cylinder 902, through the reciprocal pulling roof 903 of double-rod cylinder 902, material squeeze roll 904 goes up and down, and material squeeze roll 904 is treated broken material and is exerted pressure this moment for material and main crushing roller 802, vice crushing roller 804 in close contact with, and then lifting means's broken efficiency of material makes and leaves the material and the electrolyte of sufficient in the spiral delivery pipe 6 all the time and is pushed.
When the device is used, a worker drops the waste lithium battery of the electrolyte to be treated from an inlet at the top end of the double-roller crushing box 8, then the worker starts the torsion motor 801, the main crushing roller 802, the main gear 803 and the pinion 805 are sequentially driven by the torsion motor 801 to rotate, the pinion 805 drives the sub crushing roller 804 to rotate, the sub crushing roller 804 and the main crushing roller 802 crush the waste lithium battery, the crushed material and the electrolyte enter the spiral conveying pipe 6, the protective atmosphere air inlet pipe 1301 is connected to the protective atmosphere supply end, so that the protective atmosphere enters the heat exchanger 16 to be heated until the temperature reaches three hundred fifty degrees, the protective atmosphere enters the spiral conveying pipe 6 through the air supply pipe 17, the electrolytic solution in the spiral conveying pipe 6 is heated and conveyed through the direct-drive motor 4 and the chain drive unit 5 which are matched with each other to drive the spiral conveying roller 18 to rotate and convey the material, and at the moment, the electrolytic solution in the spiral conveying pipe 6 is heated and heated by the protective atmosphere, After being blown and dried by hot air, the gas is changed into gas which enters a purifying box 11, an auxiliary switch valve 1102 and is exhausted to an external waste gas treatment end through a gas exhaust main pipeline 14, the residual solid and battery waste after the electrolyte is dried fall out from an outlet of a spiral conveying pipe 6, so that the function of the equipment for quickly removing the electrolyte is realized, the protective gas enters through a protective atmosphere air inlet pipe 1301, most of dry battery gas is mixed with supplementary gas through a gas exhaust auxiliary pipeline 13, the control of the circulating gas quantity is realized through the auxiliary switch valve 1102 and a main switch valve 15, when the concentration of the atmosphere electrolyte in a gas exhaust pipeline 1101 after enrichment is finished is lower than a preset value, the auxiliary switch valve 1102 is closed, the main switch valve 15 is opened, otherwise, the auxiliary switch valve 1102 is opened and the main switch valve 15 is closed, the concentration of the electrolyte-containing atmosphere can be effectively controlled in the process, and the equipment can continuously remove the battery electrolyte through the continuous pushing of a flood dragon conveying roller 18, compared with the traditional rotary furnace, the volume of the equipment is reduced by more than one time, the operation cost is low, the efficiency of removing the electrolyte by the battery is improved, and the processing speed is higher.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.