CN108905922B - Filtration equipment of lithium sulfate concentrate for lepidolite production - Google Patents

Filtration equipment of lithium sulfate concentrate for lepidolite production Download PDF

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Publication number
CN108905922B
CN108905922B CN201811012119.5A CN201811012119A CN108905922B CN 108905922 B CN108905922 B CN 108905922B CN 201811012119 A CN201811012119 A CN 201811012119A CN 108905922 B CN108905922 B CN 108905922B
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China
Prior art keywords
kettle body
liquid outlet
pipe
filter screen
lithium sulfate
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CN201811012119.5A
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CN108905922A (en
Inventor
张嗣和
尚亚伟
陈善军
杨云龙
旷戈
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Jiangxi Haihui Longzhou Lithium Industry Co ltd
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Jiangxi Haihui Longzhou Lithium Industry Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D15/00—Lithium compounds
    • C01D15/08—Carbonates; Bicarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D2009/0086—Processes or apparatus therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses a filtering device for lithium sulfate concentrated solution for lepidolite production, which comprises a first kettle body and a first liquid outlet pipe, wherein the upper end of the first kettle body is provided with a liquid inlet, the lower end of a filter plate frame is provided with a first filter screen, the first liquid outlet pipe is positioned on the right side surface of the first kettle body, the first liquid outlet pipe penetrates through a second kettle body to be connected with a first blanking pipe, the fixed upper end of the second kettle body is provided with a reagent cylinder, the middle of the inside of a connecting rod is reserved with a flow passage, the lower end of the liquid outlet disk is provided with a reaction groove, the left end of the reaction groove penetrates through the second kettle body to be connected with a first motor, and the outer side of the right end of the second kettle body is connected with a second liquid outlet pipe. This filtration equipment of lithium sulfate concentrate for lepidolite production can control the addition of sodium carbonate, and can guarantee the stability of reaction, need not stir alone and wash, and area is little, and is with low costs, and centrifugal filtration's effect is better.

Description

Filtration equipment of lithium sulfate concentrate for lepidolite production
Technical Field
The invention relates to the relevant technical field of lepidolite, in particular to a filtering device of lithium sulfate concentrate for lepidolite production.
Background
In the process of extracting lithium from sulfuric acid process ore, the ore is generally subjected to grinding, transformation roasting, acidification, leaching, purification and filtration to obtain a relatively pure lithium sulfate dilute solution, wherein the dilute lithium sulfate solution is mainly used for subsequent production of lithium chloride, lithium hydroxide or lithium carbonate and other products, and in order to separate mixed liquid for uniform treatment, a common filtering device is used for filtering, the mixed liquid still remains in the device, and a solid-liquid mixed liquid is accelerated to rotate and fall off by a centrifugal method, so that the effect is poor.
General filtration equipment of lithium sulfate concentrate for lepidolite production can't control the addition of sodium carbonate, and can't guarantee the stability of reaction, need stir the washing alone, area is big, and is with high costs, and centrifugal filtration's effect is relatively poor, therefore, we propose a filtration equipment of lithium sulfate concentrate for lepidolite production to solve the problem that above-mentioned in proposes.
Disclosure of Invention
The invention aims to provide a filtering device for lithium sulfate concentrate for lepidolite production, which solves the problems that the existing filtering device for lithium sulfate concentrate for lepidolite production, which is proposed in the background art, cannot control the addition amount of sodium carbonate, cannot ensure the stability of reaction, needs to be stirred and washed independently, and has large occupied area, high cost and poor centrifugal filtering effect.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a filtration equipment of lithium sulfate concentrate is used in lepidolite production, includes first cauldron body and first drain pipe, the upper end of the first cauldron body is provided with into the liquid mouth, and the inside upper end of the first cauldron body has the filter frame through threaded mounting, the lower extreme of filter frame is provided with first filter screen, and the lower extreme of first filter screen is provided with the second filter screen, first drain pipe is located the right side surface of the first cauldron body, and the right side of first drain pipe is connected with the second cauldron body, first drain pipe runs through the second cauldron body and is connected with first unloading pipe, the fixed upper end of the second cauldron body is provided with reagent section of thick bamboo, and the lower extreme through-connection of reagent section of thick bamboo is provided with the connecting rod, reserve in the middle of the inside of connecting rod is provided with the runner, and the lower extreme fixedly connected with drain pan of connecting rod, the lower extreme of drain pan is provided with the reaction tank, and the equal swing joint of both ends is on the inner wall of the second cauldron body, the left end of reaction tank runs through the second cauldron body and is connected with first motor, and the lower side of first cauldron body is provided with the second cauldron body, and the right side is provided with the second inner tube, and the outer side of the second cauldron body is provided with the notch, the outer side of the second cauldron is provided with the outer side of the second, and the outer side of the second cauldron is provided with the outer side of the outer side, the outer side of the second cauldron is connected with the outer side of the inner cylindrical, and the outer side of the inner cylindrical bottom of the rotor, the inner cylindrical rotor is provided with the outer side of the outer cylindrical rotor, and the outer side is connected with the outer side of the outer cylindrical, the outer surface of the third kettle body is connected with a third liquid outlet pipe, the right side of the third liquid outlet pipe is connected with a fourth kettle body, heating pipes are arranged at equal intervals at the lower end of the inner part of the fourth kettle body, a crystallization plate is arranged on the upper surface of each heating pipe, and an air outlet is formed in the middle of the upper surface of the fourth kettle body.
Preferably, the filter frame is a detachable structure in the first kettle body, the first filter screen and the second filter screen are both of sliding structures in the first kettle body, and the diameter of the first filter screen is larger than that of the second filter screen.
Preferably, the right end of the first discharging pipe is located at the inner side of the reaction tank, the first discharging pipe is of an inverted L-shaped structure, and the reaction tank is of a rotating structure at the inner side of the second kettle body.
Preferably, the connecting rod and the liquid outlet disc form a T-shaped structure, the lower end of the flow channel is communicated with the liquid outlet disc, and the lower surface of the liquid outlet disc is in a honeycomb structure.
Preferably, the second discharging pipes are symmetrically arranged with respect to the third kettle body in 2 groups, the second discharging pipes are obliquely arranged on the inner side of the upper end of the third kettle body, and the lower ends of the second discharging pipes are close to the outer surface of the stop block.
Preferably, the inner cylinder, the outer cylinder and the rotary stirring piece are all of a rotating structure in the third kettle body, and the lower end of the inner part of the third kettle body is of an inclined structure.
Preferably, the notch is symmetrically provided with 2 groups about the inner cylinder, and the middle section of the outer cylinder is in a U-shaped structure.
Preferably, the heating pipes are embedded in the lower end of the fourth kettle body at equal intervals, the heating pipes and the crystallization plates are tightly attached, and the crystallization plates are made of heat conducting materials.
Compared with the prior art, the invention has the beneficial effects that: the filtering equipment of the lithium sulfate concentrated solution for lepidolite production can control the addition amount of sodium carbonate, can ensure the stability of reaction, does not need to be stirred and washed independently, and has the advantages of small occupied area, low cost and good centrifugal filtering effect;
1. the reagent tube, the connecting rod, the runner and the liquid outlet disc are arranged, the adding amount of sodium carbonate is conveniently controlled through the action of the reagent tube, and the sodium carbonate conveniently flows to the inner side of the liquid outlet disc through the action of the runner and the connecting rod, and the liquid outlet disc can be used for uniformly discharging the sodium carbonate, so that the contact area is increased;
2. the reaction tank, the first motor and the first blanking pipe are arranged, the material can flow to the inner side of the reaction tank directly through the action of the first blanking pipe, the reaction tank can be rotated under the action of the first motor, the reaction process and the blanking process are separated conveniently, and the dumping blanking is carried out after the reaction is completed;
3. the blanking device is provided with the second blanking pipe, the notch and the stop block, and liquid can be shielded through the stop block by blanking of the second blanking pipe, so that the liquid can conveniently flow to the notch along the inclined plane of the stop block and the inside of the inner cylinder, the problem of inconvenient feeding is solved, and the rotation of the inner cylinder is not influenced;
4. be provided with urceolus, inner tube and stir the piece soon, make liquid inside can carry out centrifugal motion through the rotation effect of inner tube to carry out centrifugal filtration, the rethread stir the piece soon rotates the effect and conveniently stir liquid itself soon, increases its fusibility, and encloses through urceolus and inner tube and closes and be certain space and the space of inner tube itself, conveniently collect lithium carbonate, prevent to run off.
Drawings
FIG. 1 is a schematic cross-sectional view of a first tank of the present invention;
FIG. 2 is a schematic cross-sectional view of a second tank of the present invention;
FIG. 3 is a schematic cross-sectional view of a third tank of the present invention;
FIG. 4 is a schematic cross-sectional view of a fourth tank according to the present invention.
In the figure: 1. a first kettle body; 2. a liquid inlet; 3. a filter plate frame; 4. a first filter screen; 5. a second filter screen; 6. a first liquid outlet pipe; 7. a second kettle body; 8. a first blanking pipe; 9. a reagent cartridge; 10. a connecting rod; 11. a flow passage; 12. a liquid outlet disc; 13. a reaction tank; 14. a first motor; 15. a filter screen; 16. a second liquid outlet pipe; 17. a third kettle body; 18. a second blanking pipe; 19. a second motor; 20. a rotating rod; 21. an outer cylinder; 22. an inner cylinder; 23. stirring the slices; 24. a notch; 25. a stop block; 26. a third liquid outlet pipe; 27. a fourth kettle body; 28. heating pipes; 29. a crystallization plate; 30. and an air outlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a filtration equipment of lithium sulfate concentrate for lepidolite production, which comprises a first kettle body 1, liquid inlet 2, filter frame 3, first filter screen 4, second filter screen 5, first drain pipe 6, second kettle body 7, first unloading pipe 8, reagent section of thick bamboo 9, connecting rod 10, runner 11, drain pan 12, reaction tank 13, first motor 14, filter screen 15, second drain pipe 16, third kettle body 17, second unloading pipe 18, second motor 19, bull stick 20, urceolus 21, inner tube 22, rotatory stirring piece 23, notch 24, dog 25, third drain pipe 26, fourth kettle body 27, heating pipe 28, crystallization plate 29 and gas outlet 30, the upper end of first kettle body 1 is provided with liquid inlet 2, and the inside upper end of first kettle body 1 installs filter frame 3 through the screw thread, the lower extreme of filter frame 3 is provided with first filter screen 4, and the lower extreme of first filter screen 4 is provided with second filter screen 5, the first liquid outlet pipe 6 is positioned on the right side surface of the first kettle body 1, the right side of the first liquid outlet pipe 6 is connected with the second kettle body 7, the first liquid outlet pipe 6 penetrates through the second kettle body 7 to be connected with the first blanking pipe 8, the fixed upper end of the second kettle body 7 is provided with a reagent cylinder 9, the lower end of the reagent cylinder 9 is connected with a connecting rod 10 in a penetrating way, a runner 11 is reserved in the middle of the interior of the connecting rod 10, the lower end of the connecting rod 10 is fixedly connected with a liquid outlet disc 12, the lower end of the liquid outlet disc 12 is provided with a reaction tank 13, the left end and the right end of the reaction tank 13 are movably connected on the inner wall of the second kettle body 7, the left end of the reaction tank 13 penetrates through the second kettle body 7 to be connected with a first motor 14, the lower part of the reaction tank 13 is provided with a filter plate net 15, the outer side of the right end of the second kettle body 7 is connected with a second liquid outlet pipe 16, the right side of the second liquid outlet pipe 16 is connected with a third kettle body 17, the inside upper end left and right sides of third cauldron body 17 all through-connection has second unloading pipe 18, and the lower extreme of third cauldron body 17 is provided with second motor 19, be connected with bull stick 20 on the second motor 19, and the upper end outside of bull stick 20 is provided with urceolus 21, the inboard of urceolus 21 is provided with inner tube 22, and the inboard of inner tube 22 is provided with the whirl piece 23, and the equidistant surface that sets up at bull stick 20 of whirl piece 23, the upper surface left and right sides of inner tube 22 all is reserved and is provided with notch 24, and the upper end of notch 24 is provided with dog 25, and dog 25 fixed mounting is at the upper end surface of bull stick 20, the surface of third cauldron body 17 is connected with third drain pipe 26, and the right side of third drain pipe 26 is connected with fourth cauldron body 27, the inside lower extreme equidistant heating pipe 28 of fourth cauldron body 27, and the upper surface of heating pipe 28 is provided with crystallization plate 29, be provided with gas outlet 30 in the middle of the upper surface of fourth cauldron body 27.
If in fig. 1 filter frame 3 is the dismantlement structure in the inside of first cauldron body 1, and first filter screen 4 and second filter screen 5 are the sliding structure in the inside of first cauldron body 1, and the net footpath size of first filter screen 4 is greater than the net footpath size of second filter screen 5, conveniently filter the large granule impurity in the liquid through filter frame 3 and filter screen, the right-hand member of first unloading pipe 8 is located the inboard of reaction tank 13 in fig. 2, and first unloading pipe 8 is the structure of falling "L" style of calligraphy, and reaction tank 13 is the rotating structure in the inboard of second cauldron body 7, the effect through first unloading pipe 8 makes the material flow to the inboard of reaction tank 13 directly, and can make reaction tank 13 rotate under the effect of first motor 14, thereby the convenience separates reaction process and unloading process, the reaction is carried out the blanking again completely.
As shown in fig. 2, the connecting rod 10 and the liquid outlet disc 12 form a T-shaped structure, the lower end of the flow channel 11 is communicated with the liquid outlet disc 12, the lower surface of the liquid outlet disc 12 is in a honeycomb structure, the liquid can conveniently flow to the inner side of the liquid outlet disc 12 through the action of the flow channel 11 and the connecting rod 10, and the liquid can be uniformly discharged through the liquid outlet disc 12, so that the contact area is increased, as shown in fig. 3, the second discharging pipes 18 are symmetrically arranged in 2 groups with respect to the third kettle body 17, the second discharging pipes 18 are obliquely arranged at the inner side of the upper end of the third kettle body 17, the lower ends of the second discharging pipes 18 are close to the outer surface of the stop block 25, and the liquid can be blocked through the stop block 25 by discharging through the second discharging pipes 18.
In fig. 1, the inner cylinder 22, the outer cylinder 21 and the rotary stirring piece 23 are all in a rotating structure in the third kettle body 17, and the lower end of the inner part of the third kettle body 17 is in an inclined structure, so that the discharged material can flow into the third liquid outlet pipe 26 conveniently, in fig. 1, 2 groups of slots 24 are symmetrically arranged about the inner cylinder 22, and the middle section of the outer cylinder 21 is in a U-shaped structure, so that the liquid can flow into the slots 24 and the inner cylinder 22 along the inclined plane of the stop block 25 conveniently, the problem of inconvenient feeding is solved, and the rotation of the inner cylinder 22 is not influenced.
As shown in fig. 1, heating pipes 28 are embedded at equal intervals inside the lower end of the fourth kettle body 27, the heating pipes 28 and the crystallization plate 29 are closely attached, the crystallization plate 29 is made of a heat conducting material, and the solution is conveniently precipitated to be subjected to heat recovery through a plurality of groups of heating pipes 28.
Working principle: when the filtering equipment of the lithium sulfate concentrated solution for lepidolite production is used, firstly, a lithium sulfate solution is added into the first kettle body 1 through a liquid inlet 2, and is filtered through a filter plate frame 3, a first filter screen 4 and a second filter screen 5 in sequence, large particle impurities in the solution are removed, then the solution flows into the second kettle body 7 through a first liquid outlet pipe 6, flows into a reaction tank 13 below through a first blanking pipe 8, then a certain amount of sodium carbonate solution is added into the reagent cylinder 9 according to the requirement, the sodium carbonate solution flows downwards through a flow channel 11 inside a connecting rod 10 and finally flows into a liquid outlet disc 12, then uniformly flows out through holes on the lower surface of the liquid outlet disc 12, and then uniformly falls into the reaction tank 13, so that the solution and an original solution are subjected to fusion reaction, the first motor 14 with the model of Y90S-2 is powered on, the first motor 14 drives the reaction tank 13 to rotate, the reaction liquid in the reaction tank 13 is poured out, reactants are collected under the action of the filter screen 15, the solution flows down through the filter screen 15 and flows out through the second liquid outlet pipe 16, then flows into the third kettle 17 through the second discharging pipe 18, flows to the surface of the stop block 25 along the inner part of the second discharging pipe 18 and flows into the notch 24 along the surface, then flows into the inner cylinder 22, then the second motor 19 is powered on, the second motor 19 drives the rotary rod 20 to rotate, the inner cylinder 22 and the rotary stirring piece 23 are driven to rotate, the solution is centrifugally moved under the action of the inner cylinder 22, and simultaneously the rotary stirring piece 23 is used for rotary stirring, so that lithium carbonate in the solution is separated and concentrated in the inner cylinder 22, the solution flows out through the surfaces of the inner cylinder 22 and the outer cylinder 21, flows out through the third liquid outlet pipe 26 and flows into the fourth kettle body 27, then the heating pipe 28 is connected with a band passing power supply, the crystallization plate 29 generates heat through heating, so that the solution on the surface of the crystallization plate slowly precipitates and crystallizes, then the air outlet 30 is opened to release the steam in the interior, and a series of operations of the filtering equipment of the lithium sulfate concentrated solution for lepidolite production are completed.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims (6)

1. The utility model provides a filtration equipment of lithium sulfate concentrate for lepidolite production, includes first cauldron body (1) and first drain pipe (6), its characterized in that: the upper end of the first kettle body (1) is provided with a liquid inlet (2), and the inside upper end of the first kettle body (1) is provided with a filter plate frame (3) through threads, the lower end of the filter plate frame (3) is provided with a first filter screen (4), and the lower end of the first filter screen (4) is provided with a second filter screen (5), the first liquid outlet pipe (6) is positioned on the right side surface of the first kettle body (1), the right side of the first liquid outlet pipe (6) is connected with a second kettle body (7), the first liquid outlet pipe (6) penetrates through the second kettle body (7) to be connected with a first blanking pipe (8), the fixed upper end of the second kettle body (7) is provided with a reagent tube (9), the lower end of the reagent tube (9) is connected with a connecting rod (10) in a penetrating way, a runner (11) is reserved in the middle of the inside of the connecting rod (10), the lower end of the connecting rod (10) is fixedly connected with a liquid outlet disk (12), the lower end of the liquid outlet disk (12) is provided with a reaction tank (13), the lower end of the liquid outlet disk (12) penetrates through the second liquid outlet pipe (7) to be connected with a first motor (13), the left end of the first motor (13) is connected with the second tank (13), the upper end (13) is connected with the second tank (13) through the left end of the first motor (13), the outer side of the right end of the second kettle body (7) is connected with a second liquid outlet pipe (16), the right side of the second liquid outlet pipe (16) is connected with a third kettle body (17), the left and right sides of the upper end of the inner part of the third kettle body (17) are all in through connection with a second discharging pipe (18), the lower end of the third kettle body (17) is provided with a second motor (19), the second motor (19) is connected with a rotating rod (20), the outer side of the upper end of the rotating rod (20) is provided with an outer cylinder (21), the inner side of the outer cylinder (21) is provided with an inner cylinder (22), the inner side of the inner cylinder (22) is provided with a rotary stirring sheet (23), the rotary stirring sheet (23) is arranged on the outer surface of the rotating rod (20) at equal intervals, the left and right sides of the upper surface of the inner cylinder (22) are both in advance provided with notches (24), the upper ends of the notches (24) are provided with stoppers (25), the stoppers (25) are fixedly arranged on the outer surface of the upper end of the rotating rod (20), the outer surface of the third kettle body (17) is connected with a rotating rod (20), the outer surface of the third kettle body (26), the inner side of the heating pipe (28) is provided with a heating pipe (28), the inner side of the heating pipe (28), an air outlet (30) is arranged in the middle of the upper surface of the fourth kettle body (27);
the filter plate frame (3) is of a disassembly structure in the first kettle body (1), the first filter screen (4) and the second filter screen (5) are of sliding structures in the first kettle body (1), and the screen diameter size of the first filter screen (4) is larger than that of the second filter screen (5);
the right end of the first blanking pipe (8) is positioned at the inner side of the reaction tank (13), the first blanking pipe (8) is of an inverted L-shaped structure, and the reaction tank (13) is of a rotating structure at the inner side of the second kettle body (7).
2. The filtration device of lithium sulfate concentrate for lepidolite production according to claim 1, wherein: the connecting rod (10) and the liquid outlet disc (12) form a T-shaped structure, the lower end of the runner (11) is communicated with the liquid outlet disc (12), and the lower surface of the liquid outlet disc (12) is of a honeycomb structure.
3. The filtration device of lithium sulfate concentrate for lepidolite production according to claim 1, wherein: the second discharging pipes (18) are symmetrically arranged in 2 groups relative to the third kettle body (17), the second discharging pipes (18) are obliquely arranged on the inner side of the upper end of the third kettle body (17), and the lower ends of the second discharging pipes (18) are close to the outer surface of the stop block (25).
4. The filtration device of lithium sulfate concentrate for lepidolite production according to claim 1, wherein: the inner cylinder (22), the outer cylinder (21) and the rotary stirring piece (23) are all of a rotating structure in the third kettle body (17), and the lower end of the inner part of the third kettle body (17) is of an inclined structure.
5. The filtration device of lithium sulfate concentrate for lepidolite production according to claim 1, wherein: the notches (24) are symmetrically arranged with respect to the inner cylinder (22) in 2 groups, and the middle section of the outer cylinder (21) is of a U-shaped structure.
6. The filtration device of lithium sulfate concentrate for lepidolite production according to claim 1, wherein: the heating pipes (28) are embedded in the lower end of the fourth kettle body (27) at equal intervals, the heating pipes (28) are tightly attached to the crystallization plate (29), and the crystallization plate (29) is made of a heat conducting material.
CN201811012119.5A 2018-08-31 2018-08-31 Filtration equipment of lithium sulfate concentrate for lepidolite production Active CN108905922B (en)

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CN201811012119.5A CN108905922B (en) 2018-08-31 2018-08-31 Filtration equipment of lithium sulfate concentrate for lepidolite production

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