CN216825000U - Lithium metal purification waste residue processing apparatus - Google Patents
Lithium metal purification waste residue processing apparatus Download PDFInfo
- Publication number
- CN216825000U CN216825000U CN202122179145.0U CN202122179145U CN216825000U CN 216825000 U CN216825000 U CN 216825000U CN 202122179145 U CN202122179145 U CN 202122179145U CN 216825000 U CN216825000 U CN 216825000U
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- Prior art keywords
- waste residue
- product preparation
- residue treatment
- treatment chamber
- chlorine
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- 239000002699 waste material Substances 0.000 title claims abstract description 125
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 45
- 238000000746 purification Methods 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 61
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000000460 chlorine Substances 0.000 claims abstract description 59
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 33
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000945 filler Substances 0.000 claims abstract description 18
- 239000003513 alkali Substances 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 abstract description 6
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 16
- 229920006395 saturated elastomer Polymers 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000002893 slag Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical class [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 4
- 230000005587 bubbling Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- -1 filter screen Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical group [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model provides a lithium metal purification waste residue processing apparatus. Lithium metal purification waste residue processing apparatus includes waste residue treatment room and product preparation room, the waste residue treatment room includes waste residue treatment room body, charging plate mount, first filler pipe, second filler pipe, shower, first circulating pump, check ball valve, first liquid level inductor, filter screen, L template, limiting plate and pressure filter, the charge door has been seted up on the waste residue treatment room body, the one end of charging plate with the pore wall of charge door is connected, the charging plate mount install in the lateral part of waste residue treatment room body is used for supporting the charging plate. The utility model discloses a lithium metal purification waste residue processing apparatus, convenient operation, processing are high-efficient, when handling the chlorine that the useless sodium potassium sediment of purification and electrolysis produced, can prepare again and obtain sodium hypochlorite solution, obtain economic benefits.
Description
Technical Field
The utility model relates to a lithium metal waste residue handles technical field, especially relates to a lithium metal purification waste residue processing apparatus.
Background
At present, the impurity content of the metal lithium directly produced by molten salt electrolysis is high, and the metal lithium must be purified by a purification process in order to obtain the battery-grade metal lithium. More waste residues are generated in the process of purifying the metal lithium, wherein sodium potassium residues generated in the process of vacuum distillation are taken as main materials, the main content of the waste residues is simple substance sodium, and the direct hydrolysis has explosion risks, so that the waste residues need to be treated by a safe treatment means. At present, waste slag is mainly placed in the air for slow oxidation and finally hydrolyzed in industry, but the treatment time of the process is long, the inside of the slag is difficult to be completely oxidized, and the hydrolysis still easily generates violent reaction and even explosion.
At present, only patent CN201510144800.5 carries out combustion and lithium separation treatment on the waste slag. The combustion mainly obtains sodium oxide powder and insoluble substances such as calcium silicate and the like brought by partial material transfer process. However, the patent does not further explain the further treatment of the waste material after combustion, and the dust cleaning process generated by the method is complicated, and the washing lye cannot be reused. Meanwhile, the production process of the metal lithium is lithium chloride electrolysis, a large amount of chlorine gas can be generated in the process, the chlorine gas is a highly toxic substance, the treatment is improper, and not only can the workers be injured, but also the environment can be polluted. Sodium hydroxide is an effective industrial waste chlorine absorbent, but the sodium hydroxide solution for absorbing chlorine to prepare the sodium hypochlorite solution is high in cost.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve among the prior art not enough and accomplish, the utility model aims at providing a lithium metal purification waste residue processing apparatus for the waste residue of reasonable utilization lithium metal production waste residue and the useless chlorine of electrolysis.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a lithium metal purification waste residue processing apparatus, includes waste residue treatment room and product preparation room, the waste residue treatment room includes waste residue treatment room body, charge plate mount, first filler pipe, second filler pipe, shower, first circulating pump, check ball valve, first liquid level inductor, filter screen, L template, limiting plate and pressure filter, the charge hole has been seted up on the waste residue treatment room body, the one end of charge plate with the pore wall of charge hole is connected, the charge plate mount install in the lateral part of waste residue treatment room body is used for supporting the charge plate, first filler pipe is fixed in on the pore wall of charge hole just the one end of first filler pipe extends to the waste residue treatment room is originally internal, check ball valve locates first filler pipe extends to this internal one end of waste residue treatment room, first liquid level inductor is located on the inner wall of waste residue treatment room body and be close to in on the check ball valve The spraying pipe and the filter screen are arranged in the waste residue treatment chamber body, the spraying pipe and the filter screen are sequentially arranged along the axial direction of the waste residue treatment chamber body from top to bottom, a mounting hole is formed in the upper end of the waste residue treatment chamber body, the second water feeding pipe is communicated with the spraying pipe through the mounting hole, the first circulating pump is communicated with the spraying pipe, the L-shaped plate is arranged on the side portion of the waste residue treatment chamber body, the limiting plate is arranged on the L-shaped plate, the filter press is communicated with the waste residue treatment chamber and the product preparation chamber, the product preparation chamber comprises a product preparation chamber body, a chlorine pipeline, a third water feeding pipe, an alkali liquor spraying pipe, a chlorine alarm, a second liquid level sensor, a second circulating pump, an alkali liquor inlet control valve, a circulating liquid control valve and a sodium hypochlorite conveying pipeline, the product preparation chamber body is of a hollow structure with an upper end open, the alkali liquor shower is located the upper end of product preparation room body, product preparation room body passes through the alkali liquor shower the pressure filter intercommunication the waste residue treatment chamber, the alkali liquor advances a tub control valve the circulation liquid control valve is all located on the alkali liquor shower, the second circulating pump intercommunication the alkali liquor shower with inside the product preparation room body, the chlorine pipeline the third filler pipe chlorine alarm and sodium hypochlorite pipeline all locates on the product preparation room body, the second liquid level inductor is located on the inner wall of product preparation room body.
Further, the filter screen slope is installed this is internal in the waste residue treatment chamber, the inclination of filter screen is 15 to 30 degrees, the filter screen has low level end and high-order end, the low level end is connected with the L template, the high-order end is connected with the charge plate.
Further, the limiting plate is connected with the L-shaped plate through a limiting screw.
Furthermore, the aperture of the mesh of the filter screen is 20 to 200 meshes, and the filter screen is replaced according to the size of waste residue particles.
Furthermore, the first liquid level sensor is linked with the valves of the first water adding pipe and the second water adding pipe.
Furthermore, this internal sodium hypochlorite concentration appearance that is equipped with of product preparation room, the measurement mouth of sodium hypochlorite concentration appearance is located the below of second liquid level inductor.
Furthermore, the product preparation room is still including locating the valve is added to chlorine on the product preparation room body, the product preparation room body is bottleneck formula structure, the chlorine alarm is located the bottleneck department of product preparation room body, the chlorine alarm with the linkage of valve is added to chlorine.
A treatment method of the device for treating the lithium metal purification waste residue comprises the following steps:
the method comprises the following steps: dissolving the waste residues generated in the production of the lithium metal in water in a waste residue treatment chamber;
step two: dissolving while filtering and separating the solution to obtain primary saturated alkali liquor;
step three: the primary saturated alkali liquor is subjected to filter pressing and then is sent into a product preparation chamber to be diluted to the alkali liquor with the specified concentration;
step four: and carrying out chlorine pressurization bubbling reaction on the alkali liquor with the specified concentration to generate a sodium hypochlorite solution.
The utility model provides a lithium metal purification waste residue processing apparatus, including waste residue treatment chamber and product preparation room, wherein the waste residue treatment chamber contains parts such as feed plate, first inlet tube, second inlet tube, circulating water spray, filter screen, liquid level sensor, can dissolve filtration, edulcoration to the waste residue, and the alkali lye that can prepare and obtain saturation of circulation spray set simultaneously. The product preparation chamber comprises a chlorine pipeline, a third water adding pipe, an alkali liquor spraying pipe, a chlorine alarm, a second liquid level sensor, a second circulating pump and the like, and is used for diluting alkali liquor, absorbing chlorine and finally preparing a sodium hypochlorite solution. All water adding, gas adding pipelines, a sodium hypochlorite concentration display instrument, a chlorine alarm and the like are electrically connected and are controlled by PLC program display. According to the technology, the waste residues generated in the production of the metal lithium are dissolved in a waste residue treatment chamber, filtered and separated to obtain primary saturated alkali liquor, the primary saturated alkali liquor is subjected to filter pressing and then sent to a product preparation chamber for dilution, and then the primary saturated alkali liquor is subjected to chlorine pressurization bubbling reaction to generate a sodium hypochlorite solution. The utility model provides a waste residue processing technology simple process, convenient operation, processing high efficiency of metal lithium purification when handling the chlorine that the useless sodium potassium sediment of purification and electrolysis produced, can prepare again and obtain sodium hypochlorite solution, obtain economic benefits.
The utility model provides a lithium metal purification waste residue processing apparatus, the opening is not sealed between charge plate and the filler pipe, is favorable to the metallic sodium and the water reaction that contain in the waste residue to generate hydrogen and discharges, and the heat that can dissolve the reaction with higher speed simultaneously gives off. The water adding outlet is provided with a one-way ball valve, and the water adding is automatically stopped when the liquid level reaches the designated position. The L-shaped baffle plate can be matched with water to wash and dissolve residual slag when opened, and can also be pulled out to thoroughly clean the filter screen. The circulating pump is adopted to fully dissolve the added water in the waste residue treatment chamber to obtain saturated alkali liquor, and the absorption of chlorine can be fully ensured in the product preparation chamber. The water adding pipeline can be controlled by a pneumatic valve and a liquid level sensor program and operated on a PLC, and is convenient and simple. The chlorine alarm is also linked with a pneumatic valve on the chlorine adding pipeline, so that the process is more intelligent.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a lithium metal purification waste residue treatment apparatus of the present invention;
FIG. 2 is a schematic structural view of a waste residue treatment chamber of the lithium metal purification waste residue treatment apparatus of the present invention;
fig. 3 is a schematic structural diagram of a product preparation chamber of the device for treating metallic lithium purification waste residue according to the present invention.
The names corresponding to the reference numbers in the drawings are as follows:
Detailed Description
The following is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Referring to fig. 1-3, the lithium metal purification waste residue treatment device of the present invention includes a waste residue treatment chamber and a product preparation chamber, wherein the waste residue treatment chamber includes a waste residue treatment chamber body (not shown), a feeding plate 1, a feeding plate fixing frame 2, a first feeding pipe 3, a second feeding pipe 4, a spraying pipe 5, a first circulating pump 6, a one-way ball valve 7, a first liquid level sensor 8, a filter screen 9, an L-shaped plate 10, a limiting plate 11 and a filter press 12, the waste residue treatment chamber body is provided with a feeding hole (not shown), one end of the feeding plate is connected with a hole wall of the feeding hole, the feeding plate fixing frame is installed at a side portion of the waste residue treatment chamber body and is used for supporting the feeding plate, the first feeding pipe is fixed on the hole wall of the feeding hole, and one end of the first feeding pipe extends into the waste residue treatment chamber body, one-way ball valve locates first filler pipe extends to this internal one end of waste residue treatment room, first liquid level inductor is located on the inner wall of waste residue treatment room body and be close to one-way ball valve, the shower with the filter screen is all located this internal waste residue treatment room, the shower with the filter screen is followed the axial of waste residue treatment room body sets gradually from last to down, the mounting hole (drawing does not mark) has been seted up to the upper end of waste residue treatment room body, the second filler pipe via the mounting hole with the shower intercommunication, first circulating pump with the shower intercommunication, the L template is located waste residue treatment room body lateral part, the limiting plate is located on the L template, the pressure filter intercommunication the waste residue treatment room with product preparation room, product preparation room includes product preparation room body (drawing does not mark), A chlorine pipeline 13, a third water adding pipe 14, an alkali liquor spraying pipe 15, a chlorine alarm 16, a second liquid level sensor 17, a second circulating pump 18, an alkali liquor inlet pipe control valve 19, a circulating liquid control valve 20 and a sodium hypochlorite conveying pipeline 21, the product preparation chamber body is of a hollow structure with an opening at the upper end, the alkali liquor spray pipe is arranged at the upper end of the product preparation chamber body, the product preparation chamber body is communicated with the waste residue treatment chamber through the alkali liquor spray pipe and the filter press, the alkali liquor inlet control valve and the circulating liquid control valve are both arranged on the alkali liquor spraying pipe, the second circulating pump is communicated with the alkali liquor spraying pipe and the interior of the product preparation chamber body, the chlorine pipeline the third filler pipe chlorine alarm and sodium hypochlorite pipeline all locates on the product preparation room body, the second liquid level inductor is located on the inner wall of product preparation room body.
Wherein the waste residue refers to waste residue generated after combustion of sodium potassium materials generated by crude lithium purification and distillation, and the main component is metallic sodium. The filter press mainly filters fine slag which cannot be filtered in the waste slag treatment chamber.
The waste residue treatment chamber can dissolve, filter and remove impurities from the waste residue, and the circulating spraying device can prepare saturated alkali liquor. The product preparation chamber can dilute alkali liquor, absorb chlorine and finally prepare a sodium hypochlorite solution.
The chlorine gas pipeline, the alkali liquor spraying pipe, the chlorine gas alarm, the first liquid level sensor, the second liquid level sensor, the alkali liquor inlet pipe control valve, the circulating liquid control valve and the sodium hypochlorite conveying pipeline are all electrically connected with the controller of the lithium metal purification waste residue treatment device.
In one embodiment, the filter screen is installed in the waste residue treatment chamber body in an inclined manner, the inclination angle of the filter screen is 15-30 degrees, the filter screen is provided with a low end and a high end, the low end is connected with the L-shaped plate, and the high end is connected with the feeding plate.
In one embodiment, the limiting plate is connected with the L-shaped plate through a limiting screw.
In one embodiment, the mesh aperture of the filter screen is 20 to 200 mesh, and is replaced according to the particle size of the waste slag.
In one embodiment, the first liquid level sensor is linked with valves of the first water adding pipe and the second water adding pipe, and the water stops adding when the liquid level reaches the first liquid level sensor.
In one embodiment, a sodium hypochlorite concentration meter (not shown) is arranged in the product preparation chamber, and a measuring port of the sodium hypochlorite concentration meter is positioned below the second liquid level sensor.
In one embodiment, the product preparation chamber further includes a chlorine adding valve (not shown) disposed on the product preparation chamber body, the product preparation chamber body is of a bottleneck type structure, the chlorine alarm is disposed at a bottleneck of the product preparation chamber body, the chlorine alarm is linked with the chlorine adding valve, and the chlorine concentration reaches a set standard to stop the chlorine adding. The top of the bottle is connected with a liquid discharge pipeline of the waste residue treatment chamber and is provided with a spray, and the spray is provided with an arc-shaped reducing part.
The utility model also provides a processing method who adopts above-mentioned metallic lithium purification waste residue processing apparatus, the method includes following step:
the method comprises the following steps: dissolving the waste residues generated in the production of the lithium metal in water in a waste residue treatment chamber;
step two: dissolving while filtering and separating the solution to obtain primary saturated alkali liquor;
step three: the primary saturated alkali liquor is subjected to filter pressing and then is sent into a product preparation chamber to be diluted to the alkali liquor with the specified concentration;
step four: and carrying out chlorine pressurization bubbling reaction on the alkali liquor with the specified concentration to generate a sodium hypochlorite solution.
The device and the method for treating the metal lithium purification waste residues comprise the following processes that water is added into the waste residue treatment chamber body through the first water adding pipe to the liquid level position of the liquid level sensor, water inlet is closed, the first circulating pump is started, lithium purification waste residues are fed from the feeding plate 1, and the lithium purification waste residues are continuously dissolved under the spraying of circulating water until the waste residues cannot be dissolved, and then feeding is stopped. The obtained saturated alkali liquor is completely sprayed into the product preparation chamber through the alkali liquor feeding pipe after passing through the filter press 12. Then closing the alkali liquor inlet pipe control valve 19, opening the circulating liquid control valve 20, opening the second circulating pump 18, introducing chlorine gas through the chlorine gas pipeline 13, and continuously absorbing the chlorine gas under the action of circulating water to form a concentrated sodium hypochlorite solution. And stopping introducing chlorine after the chlorine concentration rises to the set concentration and the chlorine alarm gives an alarm until the chlorine cannot be absorbed. And finally, adding water from the water adding pipe until the sodium hypochlorite reaches the product-level concentration, and then stopping adding water to obtain a product, and conveying the product into the storage tank through a sodium hypochlorite conveying pipeline.
It can be understood that the limiting plate is mentioned to the material sediment on the indoor filter screen of waste residue treatment, and the waste residue is washed out to the water, and the back is taken the filter screen out through drawing open L template is whole to the disposable.
It can be understood that the filter screen is arranged at the inlet of the circulating pipeline of the waste residue treatment chamber into the pump pipeline, so that filter residues are prevented from entering. The material slag of the circulating pipeline can be flushed out by adding water through the second water adding pipe 4.
It can be understood that the utility model discloses the preparation of sodium hypochlorite also can be at the indoor weak solution that dilutes to 12-15% concentration of thick alkali earlier of product preparation, and the rethread chlorine circulation absorbs to appointed sodium hypochlorite concentration.
It can be understood that, close the intaking after 8 liquid levels of first liquid level inductor department to the indoor water feeding of waste residue treatment through first filler pipe 3, open first circulating pump 6 back, drop into high concentration lithium oxidation waste residue from charging plate 1, spray of circulating water and continuously dissolve down and stop reinforced after the waste residue can not dissolve. The obtained saturated lithium hydroxide solution is completely sprayed into the product preparation chamber through the alkali liquor feeding pipe after passing through the filter press 12. Then closing the alkali liquor inlet pipe control valve 19, opening the circulating liquid control valve 20, opening the second circulating pump 18, introducing a hydrochloric acid solution through the chlorine pipeline 13, and performing acid-alkali neutralization reaction on the hydrochloric acid and the lithium hydroxide until the PH value is 7 and is neutral. Wherein the sodium hypochlorite concentration meter can be replaced by a PH measuring meter. The obtained product is further subjected to filter pressing and then is sent into a storage tank through a conveying pipeline.
The utility model provides a lithium metal purification waste residue processing apparatus, including waste residue treatment room and product preparation room, wherein the waste residue treatment room contains parts such as feed plate, first inlet tube, second inlet tube, circulating water spray, filter screen, liquid level inductor, can dissolve filtration, edulcoration to the waste residue, and circulating spray set can prepare the alkali lye that obtains the saturation simultaneously. The product preparation chamber comprises a chlorine pipeline, a third water adding pipe, an alkali liquor spraying pipe, a chlorine alarm, a second liquid level sensor, a second circulating pump and the like, and is used for diluting alkali liquor, absorbing chlorine and finally preparing a sodium hypochlorite solution. All water adding, gas adding pipelines, a sodium hypochlorite concentration display instrument, a chlorine alarm and the like are electrically connected and are controlled by PLC program display. According to the technology, the waste residues generated in the production of the metal lithium are dissolved in a waste residue treatment chamber, filtered and separated to obtain primary saturated alkali liquor, the primary saturated alkali liquor is subjected to filter pressing and then sent to a product preparation chamber for dilution, and then the primary saturated alkali liquor is subjected to chlorine pressurization bubbling reaction to generate a sodium hypochlorite solution. The utility model provides a waste residue processing technology simple process, convenient operation, processing efficiency of metal lithium purification when handling the waste sodium potassium sediment of purification and the chlorine that the electrolysis produced, can prepare again and obtain sodium hypochlorite solution, obtain economic benefits.
The utility model provides a lithium metal purification waste residue processing apparatus, the opening is not sealed between charge plate and the filler pipe, is favorable to the metallic sodium that contains in the waste residue and reacts with water and generate hydrogen and discharge, can give off with higher speed the heat of dissolving the reaction simultaneously. The water adding outlet is provided with a one-way ball valve, and the water adding is automatically stopped when the liquid level reaches the designated position. The L-shaped baffle can be matched with water to wash and dissolve residual slag materials when opened, and can also be pulled out to thoroughly clean the filter screen. The circulating pump is adopted to fully dissolve the added water in the waste residue treatment chamber to obtain saturated alkali liquor, and the absorption of chlorine can be fully ensured in the product preparation chamber. The water adding pipeline can be controlled by a pneumatic valve and a liquid level sensor program and operated on a PLC, and is convenient and simple. The chlorine alarm is also linked with a pneumatic valve on the chlorine adding pipeline, so that the process is more intelligent.
The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a lithium metal purification waste residue processing apparatus which characterized in that: the waste residue treatment chamber comprises a waste residue treatment chamber body, a feeding plate fixing frame, a first feeding pipe, a second feeding pipe, a spraying pipe, a first circulating pump, a one-way ball valve, a first liquid level sensor, a filter screen, an L-shaped plate, a limiting plate and a filter press, wherein the feeding hole is formed in the waste residue treatment chamber body, one end of the feeding plate is connected with the hole wall of the feeding hole, the feeding plate fixing frame is installed on the side part of the waste residue treatment chamber body and used for supporting the feeding plate, the first feeding pipe is fixed on the hole wall of the feeding hole, one end of the first feeding pipe extends into the waste residue treatment chamber body, the one-way ball valve is arranged at one end of the first feeding pipe extending into the waste residue treatment chamber body, the first liquid level sensor is arranged on the inner wall of the waste residue treatment chamber body and is adjacent to the one-way ball valve, the spraying pipe and the filter screen are arranged in the waste residue treatment chamber body, the spraying pipe and the filter screen are sequentially arranged along the axial direction of the waste residue treatment chamber body from top to bottom, a mounting hole is formed in the upper end of the waste residue treatment chamber body, the second water adding pipe is communicated with the spraying pipe through the mounting hole, the first circulating pump is communicated with the spraying pipe, the L-shaped plate is arranged on the side portion of the waste residue treatment chamber body, the limiting plate is arranged on the L-shaped plate, the filter press is communicated with the waste residue treatment chamber and the product preparation chamber, the product preparation chamber comprises a product preparation chamber body, a chlorine pipeline, a third water adding pipe, an alkali liquor spraying pipe, a chlorine alarm, a second liquid level sensor, a second circulating pump, an alkali liquor inlet control valve, a circulating liquid control valve and a sodium hypochlorite conveying pipeline, and the product preparation chamber body is of a hollow structure with an upper end open, the alkali liquor shower is located the upper end of product preparation room body, product preparation room body passes through the alkali liquor shower the pressure filter intercommunication the waste residue treatment chamber, the alkali liquor advances a tub control valve the circulation liquid control valve is all located on the alkali liquor shower, the second circulating pump intercommunication the alkali liquor shower with inside the product preparation room body, the chlorine pipeline the third filler pipe chlorine alarm and sodium hypochlorite pipeline all locates on the product preparation room body, the second liquid level inductor is located on the inner wall of product preparation room body.
2. The device for treating the waste residue after the purification of the metallic lithium, according to claim 1, is characterized in that: the filter screen slope is installed this internally of waste residue treatment chamber, the inclination of filter screen is 15 to 30 degrees, the filter screen has low level end and high-order end, the low level end is connected with the L template, the high-order end is connected with the charging plate.
3. The device for treating the waste residue after the purification of the metallic lithium, according to claim 2, is characterized in that: the limiting plate is connected with the L-shaped plate through a limiting screw.
4. The device for processing the lithium metal purification waste residue according to claim 3, wherein: the aperture of the mesh of the filter screen is 20 to 200 meshes, and the filter screen is replaced according to the size of waste residue particles.
5. The device for treating the waste residue after the purification of the metallic lithium, according to claim 4, is characterized in that: the first liquid level sensor is linked with the valves of the first water adding pipe and the second water adding pipe.
6. The device for treating the waste residue after the purification of the metallic lithium, according to claim 5, is characterized in that: this internal sodium hypochlorite concentration appearance that is equipped with of product preparation room, the measurement mouth of sodium hypochlorite concentration appearance is located the below of second liquid level sensor.
7. The device for treating the waste residue after the purification of the metallic lithium, according to claim 6, is characterized in that: the product preparation room is still including locating chlorine on the product preparation room body adds the valve, the product preparation room body is bottleneck formula structure, the chlorine alarm is located the bottleneck department of product preparation room body, the chlorine alarm with the linkage of chlorine interpolation valve.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113842688A (en) * | 2021-09-09 | 2021-12-28 | 宜春赣锋锂业有限公司 | Metallic lithium purification waste residue treatment device and treatment method thereof |
CN115852168A (en) * | 2022-12-22 | 2023-03-28 | 洛阳万基金属钠有限公司 | High-calcium sodium treatment process |
CN113842688B (en) * | 2021-09-09 | 2024-07-30 | 宜春赣锋锂业有限公司 | Metal lithium purification waste residue treatment device and treatment method thereof |
-
2021
- 2021-09-09 CN CN202122179145.0U patent/CN216825000U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113842688A (en) * | 2021-09-09 | 2021-12-28 | 宜春赣锋锂业有限公司 | Metallic lithium purification waste residue treatment device and treatment method thereof |
CN113842688B (en) * | 2021-09-09 | 2024-07-30 | 宜春赣锋锂业有限公司 | Metal lithium purification waste residue treatment device and treatment method thereof |
CN115852168A (en) * | 2022-12-22 | 2023-03-28 | 洛阳万基金属钠有限公司 | High-calcium sodium treatment process |
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