CN111111592A - Circulating separation system based on ceramic membrane process - Google Patents

Circulating separation system based on ceramic membrane process Download PDF

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Publication number
CN111111592A
CN111111592A CN202010004304.0A CN202010004304A CN111111592A CN 111111592 A CN111111592 A CN 111111592A CN 202010004304 A CN202010004304 A CN 202010004304A CN 111111592 A CN111111592 A CN 111111592A
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CN
China
Prior art keywords
ceramic membrane
wall
block
movable sleeve
circular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010004304.0A
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Chinese (zh)
Inventor
卢健行
赵鹏
刘长峰
姚珊珊
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Shandong Runde Biotechnology Co Ltd
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Shandong Runde Biotechnology Co Ltd
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Application filed by Shandong Runde Biotechnology Co Ltd filed Critical Shandong Runde Biotechnology Co Ltd
Priority to CN202010004304.0A priority Critical patent/CN111111592A/en
Publication of CN111111592A publication Critical patent/CN111111592A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/04Tubular membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/0066Stirrers

Abstract

The invention relates to the technical field of acidification tanks, and discloses a circulating separation system based on a ceramic membrane process, which comprises an acidification tank and a ceramic membrane, wherein an output port of the acidification tank is communicated with the ceramic membrane through a pipeline, an output port of the ceramic membrane is communicated with the acidification tank through a pipeline, thick slurry containing bacterial residues after the ceramic membrane is separated enters the acidification tank again, enters the ceramic membrane again through circulation, and circulates repeatedly, when a motor is started to work, the motor drives a connecting column to rotate, the connecting column drives a movable sleeve to rotate, the movable sleeve rotates to drive stirring blades to stir, then stock solution in a tank body is stirred, in the stirring process, a connecting rod can gradually move upwards along the inclined plane of a triangular block, when the connecting rod passes through the triangular block, the connecting rod can move downwards, the connecting rod can move upwards and downwards to drive the movable sleeve to move upwards and downwards, the movable sleeve can move upwards and downwards to drive, thereby, the stock solution can be sufficiently stirred.

Description

Circulating separation system based on ceramic membrane process
Technical Field
The invention relates to the technical field of acidification tanks, in particular to a circulating separation system based on a ceramic membrane process.
Background
In the production process of some glucosamine, raw materials of the glucosamine are required to be acidified and uniformly mixed, and an acidification tank is required at the moment; when the viscosity of the raw materials of the product is high and the fluidity is poor, the raw materials can be fully stirred by a large stirring acting force.
However, due to the difference of raw materials, the raw materials need to be stirred, the stirring effect of the existing stirring device is not uniform enough because the existing stirring device only has one stirring blade and one stirring shaft, and the separation effect is not excellent enough because the existing ceramic membrane separation process generally adopts single separation.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a circulating separation system based on a ceramic membrane process.
(II) technical scheme
The invention provides the following technical scheme: a circulating separation system based on a ceramic membrane process comprises an acidification tank and a ceramic membrane, wherein an output port of the acidification tank is communicated with the ceramic membrane through a pipeline, an output port of the ceramic membrane is communicated with the acidification tank through a pipeline, thick slurry containing fungus residues after the ceramic membrane is separated enters the acidification tank again, the thick slurry enters the ceramic membrane again through circulation, and the thick slurry is repeatedly circulated. The ceramic membrane is classified into a tubular ceramic membrane and a flat ceramic membrane. Note that "CT membrane" is not a alias of ceramic membrane, and this reference is actually a misstatement by laymen for english abbreviation of ceramic membrane. The tube wall of the tubular ceramic membrane is densely distributed with micropores, under the action of pressure, the raw material liquid flows in the membrane tube or outside the membrane, small molecular substances (or liquid) permeate the membrane, and large molecular substances (or solid) are intercepted by the membrane, so that the purposes of separation, concentration, purification, environmental protection and the like are achieved.
The acidification tank comprises a tank body, wherein the tank body is a cylindrical block, the inside of the tank body is of a hollow structure, the hollow part in the tank body penetrates through the upper wall surface of the tank body, a round block is arranged above the tank body, the diameter of the round block is the same as that of the tank body, the inside of the round block is of a hollow structure, a motor is fixedly arranged in the round block, the round block is fixed above the tank body through external supporting equipment, a round hole is formed in the bottom wall surface of the round block and communicated with the inside of the round block, a connecting column is fixedly arranged on a rotating shaft of the motor and extends into the tank body through the round hole, a movable sleeve capable of moving up and down is sleeved on the outer wall of the connecting column, the movable sleeve is in a cylindrical tubular shape, a limiting block is fixedly arranged on the lower wall surface of the connecting column, and the limiting, the limiting block is positioned below the movable sleeve and is used for preventing the movable sleeve from falling off, the outer wall of the connecting column is provided with two rectangular grooves which are in left-right correspondence, the inner wall of the movable sleeve is fixedly provided with two rectangular blocks which are in left-right correspondence, the rectangular blocks on the movable sleeve are clamped in the rectangular grooves, the outer wall of the movable sleeve is fixedly provided with stirring blades, the stirring blades on the left side and the right side are arranged in a left-right crossing manner, the number of the stirring blades is set according to the size of the movable sleeve, the inner wall of the tank body is fixedly provided with an annular block, the annular block is circular, the upper wall surface of the annular block is fixedly provided with a triangular block, the triangular block is a right-angled triangle, the number of the triangular block is set according to the size of the annular block, and the outer wall of the movable sleeve is fixedly provided with a connecting rod, the connecting rod is a rectangular block and is positioned above the annular block, when the motor is started to work, the motor drives the connecting rod to rotate, the connecting rod drives the movable sleeve to rotate, the movable sleeve rotates to drive the stirring blades to stir, then the stock solution in the tank body is stirred, the connecting rod can gradually move upwards along the inclined plane of the triangular block in the stirring process, the connecting rod can move downwards when the stock solution passes through the triangular block and can drive the movable sleeve to move upwards and downwards, the movable sleeve can move upwards and downwards to drive the stirring blades to vibrate and stir up and down, so that the stock solution can be fully stirred, the bottom wall surface of the limiting block is provided with a circular groove, the inner wall of the circular groove is uneven, the bottom wall surface of the tank body is provided with a groove which is circular, a tank body is fixedly arranged in the groove, and the tank body is a circular block, and the interior of the box body is of a hollow structure, the upper wall surfaces of the two upper wall surfaces are flush with the inner wall of the bottom of the tank body, and a clockwork spring is fixedly arranged in the box body.
Preferably, the center position fixed mounting of clockwork spring has the rotary column, the rotary column is cylindrical, and the circular shape hole has been seted up to the top wall of box, and circular shape hole intercommunication box's inside on the box.
Preferably, the rotary column extends to the upper part of the box body through a circular hole in the upper part of the box body, a friction block is fixedly mounted on the upper wall surface of the rotary column, the friction block is a circular block, and the surface of the friction block is a circular block.
Preferably, the clutch blocks are connected with the circular groove in a clamped mode, an L-shaped block is fixedly mounted on the outer wall of the rotary column, the L-shaped block is formed by combining a transverse rectangular block and a vertical rectangular block, and the L-shaped block is attached to the inner wall of the bottom of the tank body and the inner wall of the arc-shaped tank body respectively.
Preferably, the bottom wall surface of the tank body is provided with discharge ports, the discharge ports are circular ports, the number of the discharge ports is set according to the size of the tank body, and the tank body is supported by an external support.
(III) advantageous effects
Compared with the prior art, the invention provides a circulating separation system based on a ceramic membrane process, which has the following beneficial effects:
1. this circulating separation system based on ceramic membrane technology, when the work is seted up to the motor, the motor drives the spliced pole rotatory, the spliced pole drives the movable sleeve rotation, the rotatory stirring leaf stirring that drives of movable sleeve, then stir the stoste of jar internal portion, at the in-process of stirring, the connecting rod can be along the inclined plane of triangular block upwards moving gradually, when the process triangular block, the connecting rod can move down, reciprocating of connecting rod, can drive reciprocating of movable sleeve, reciprocating of movable sleeve can drive the stirring leaf and carry out vibrations stirring from top to bottom, with this can carry out intensive mixing to the stoste.
2. This circulating separation system based on ceramic membrane technology, when the motor rotates, the spliced pole rotates, it is rotatory to drive the rotary column, then the rotary column rotation can drive the clockwork spring and add strength, then the clockwork spring tightens up, after the clockwork spring tightens to certain degree, frictional force between clutch blocks and the circular slot does not support it to fix this moment, then the clockwork spring gyration, drive the rotary column gyration, then the rotary column drives L shape piece gyration, can make L shape pole carry out reverse stirring in the bottom of the jar body like this, make more even of its stirring.
3. This circulating separation system based on ceramic membrane technology, when the stirring was accomplished, when the clockwork spring lost the power of rotary column counter-rotation, the clockwork spring gyration drove the gyration of L-shaped piece, then the L-shaped piece carries out the secondary stirring in the bottom of the jar body, prevents that the stoste after stopping the stirring from deposiing in the bottom of the jar body, has leaded to the inhomogeneous of stirring.
4. According to the circulating separation system based on the ceramic membrane process, the plurality of groups of stirring blades are arranged, so that the stirring area of the stirring blades in the tank body is larger, the stirring is more uniform, and the circulating separation is adopted, so that the separation is more excellent.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic perspective view of an acidification tank;
FIG. 3 is a schematic cross-sectional view of an acidification tank;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a sectional view of the case.
In the figure: 1 tank body, 2 round blocks, 3 movable blocks, 4 motors, 5 round holes, 6 connecting columns, 7 movable sleeves, 8 stirring blades, 9 annular blocks, 10 triangular blocks, 11 connecting rods, 12 limiting blocks, 13L-shaped blocks, 14 discharge holes, 15 grooves, 16 rotating columns, 17 box bodies, 18 clockwork springs, 19 round grooves and 20 friction blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-5, a circulating separation system based on a ceramic membrane process includes an acidification tank and a ceramic membrane, wherein an output port of the acidification tank is communicated with the ceramic membrane through a pipeline, an output port of the ceramic membrane is communicated with the acidification tank through a pipeline, thick slurry containing bacterial residues after the ceramic membrane is separated enters the acidification tank again, and enters the ceramic membrane again through circulation, and the thick slurry is repeatedly circulated, wherein the ceramic membrane (also called inorganic ceramic membrane) is an asymmetric membrane formed by preparing an inorganic ceramic material through a special process. The ceramic membrane is classified into a tubular ceramic membrane and a flat ceramic membrane. Note that "CT membrane" is not a alias of ceramic membrane, and this reference is actually a misstatement by laymen for english abbreviation of ceramic membrane. The tube wall of the tubular ceramic membrane is densely distributed with micropores, under the action of pressure, the raw material liquid flows in the membrane tube or outside the membrane, small molecular substances (or liquid) permeate the membrane, and large molecular substances (or solid) are intercepted by the membrane, so that the purposes of separation, concentration, purification, environmental protection and the like are achieved.
The acidification tank comprises a tank body 1, wherein the tank body 1 is a cylindrical block, the interior of the tank body 1 is of a hollow structure, the hollow part of the interior of the tank body 1 penetrates through the upper wall surface of the tank body 1, a circular block 2 is arranged above the tank body 1, the diameter of the circular block 2 is the same as that of the tank body 1, the interior of the circular block 2 is of a hollow structure, a motor 4 is fixedly arranged in the interior of the circular block 2, the circular block 2 is fixed above the tank body through external supporting equipment, a round hole 5 is formed in the bottom wall surface of the circular block 2, the round hole 5 is communicated with the interior of the circular block 2, a connecting column 6 is fixedly arranged on a rotating shaft of the motor 4, the connecting column 6 extends into the interior of the tank body 1 through the round hole 5, a movable sleeve 7 capable of moving up and down is sleeved on the outer wall of the connecting column, the lower wall surface of the connecting column 6 is fixedly provided with a limiting block 12, the limiting block 12 is a circular block and is positioned below the movable sleeve 7, the limiting block 712 is used for preventing the movable sleeve 7 from falling off, the outer wall of the connecting column 6 is provided with two rectangular grooves which correspond to each other left and right, the inner wall of the movable sleeve 7 is fixedly provided with two rectangular blocks which correspond to each other left and right, the rectangular block on the movable sleeve 7 is clamped in the rectangular grooves, the outer wall of the movable sleeve 7 is fixedly provided with stirring blades 8, the stirring blades 8 on the left and right sides are arranged in a left-right crossing manner, the number of the stirring blades 8 is set according to the size of the movable sleeve 7, the inner wall of the tank body 1 is fixedly provided with an annular block 9, the annular block 9 is annular, the upper wall surface of the annular block 9 is fixedly provided with a triangular block 10, and the triangular block 10 is a right-angled triangle, the number of the triangular blocks 10 is set according to the size of the annular block 9, the connecting rod 11 is fixedly installed on the outer wall of the movable sleeve 7, the connecting rod 11 is a rectangular block, the connecting rod 11 is positioned above the annular block 9, when the motor 4 is started to work, the motor 4 drives the connecting column 6 to rotate, the connecting column 6 drives the movable sleeve 7 to rotate, the movable sleeve 7 rotates to drive the stirring blades to stir, then the stock solution in the tank body 1 is stirred, in the stirring process, the connecting rod 11 can gradually move upwards along the inclined plane of the triangular blocks 10, when the stock solution passes through the triangular blocks 10, the connecting rod 10 can move downwards, the connecting rod 10 can move upwards and downwards, the movable sleeve 7 can be driven to move upwards and downwards, the movable sleeve 7 can drive the stirring blades 8 to vibrate and stir upwards and downwards, so that the stock solution can be fully stirred, the bottom wall surface of the limiting block 12 is provided with a circular groove 19, the inner wall of the circular groove 19 is uneven, the bottom wall of the tank body 1 is provided with a groove 15, the groove 15 is a circular groove, the groove 15 is fixedly provided with a box body 17, the box body 17 is a circular block, the inside of the box body 17 is of a hollow structure, the upper wall surfaces of the two grooves 17 are flush with the bottom inner wall of the tank body 1, the inside of the box body 17 is fixedly provided with a clockwork spring 18, the center position of the clockwork spring 18 is fixedly provided with a rotary column 16, the rotary column 16 is cylindrical, the upper wall surface of the box body 17 is provided with a circular hole, the circular hole on the box body 17 is communicated with the inside of the box body 17, the rotary column 16 extends to the upper part of the box body 17 through the circular hole on the box body 17, the upper wall surface of the rotary column 16 is fixedly provided with a friction block 20, the friction block 20 is a circular block, and the surface of the friction, the friction block 20 is clamped with the circular groove 19, the outer wall of the rotating column 16 is fixedly provided with an L-shaped block 13, the L-shaped block 13 is formed by combining a transverse rectangular block and a vertical rectangular block, the L-shaped block 13 is respectively attached to the inner wall of the bottom of the tank body 1 and the inner wall of an arc shape, when the motor 4 rotates, the connecting column 6 rotates to drive the rotating column 16 to rotate, then the rotating column 16 rotates to drive the clockwork spring 18 to apply a force, then the clockwork spring 18 tightens, when the clockwork spring 18 tightens to a certain degree, the friction force between the friction block 20 and the circular groove 19 does not support the fixing of the friction block, then the clockwork spring 18 rotates to drive the rotating column 16 to rotate, then the rotating column 16 drives the L-shaped block 13 to rotate, then when the mixing is finished, and when the clockwork spring 16 loses the reverse rotation force of the rotating column 16, the clockwork spring 16 rotates to drive the L-shaped block 13, prevent that the stoste after stopping the stirring from deposiing in the bottom of jar body 1, having leaded to the inhomogeneous of stirring, seted up discharge gate 14 on jar body 1's the bottom wall, discharge gate 14 is the circular shape mouth, and the quantity of discharge gate 14 sets up according to jar body 1's size, jar body 1 supports through external support, has seted up the mouth of rectangle on jar body 1's the outer wall, and the mouth inside of rectangle has movable block 3 through hinge movable mounting, and the raw materials is through opening movable block 3, pours into jar body 1 inside from the mouth of rectangle.
When in use, the utility model is used,
first, when motor 4 offered work, motor 4 drives spliced pole 6 rotatory, spliced pole 6 drives movable sleeve 7 rotatory, the rotatory stirring leaf stirring of driving of movable sleeve 7, then stir the stoste of jar internal portion, at the in-process of stirring, connecting rod 11 can be along the inclined plane of triangular block 10 rebound gradually, when the triangular block 10 of process, connecting rod 10 can the downstream, reciprocating of connecting rod 10, can drive reciprocating sleeve 7 reciprocate, reciprocating of movable sleeve 7 can drive stirring leaf 8 and shake the stirring from top to bottom, with this can carry out intensive mixing to the stoste.
The second step is that: when the motor 4 rotates, the connecting column 6 rotates to drive the rotating column 16 to rotate, then the rotating column 16 rotates to drive the clockwork spring 18 to wind, then the clockwork spring 18 tightens, after the clockwork spring 18 tightens to a certain degree, the friction force between the friction block 20 and the circular groove 19 does not support the fixing of the clockwork spring, then the clockwork spring 18 rotates to drive the rotating column 16 to rotate, then the rotating column 16 drives the L-shaped block 13 to rotate, then when the stirring is finished, the clockwork spring 18 loses the reverse rotation force of the rotating column 16, the clockwork spring 16 rotates to drive the L-shaped block 13 to rotate, and then the L-shaped block 13 performs secondary stirring at the bottom of the tank body 1, so that the raw liquid after the stirring is stopped is prevented from precipitating at the bottom.
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.

Claims (9)

1. A circulating separation system based on ceramic membrane technology, includes acidizing jar and ceramic membrane, its characterized in that: the output port of the acidification tank is communicated with the ceramic membrane through a pipeline, the output port of the ceramic membrane is communicated with the acidification tank through a pipeline, after the thick slurry is injected into the ceramic membrane by the acidification tank, the thick slurry containing the fungus residues after the ceramic membrane is separated enters the acidification tank again, enters the ceramic membrane again through circulation, and circulates repeatedly.
2. A cyclic separation system based on ceramic membrane process according to claim 1, characterized in that: the acidizing jar is including jar body (1), the top of jar body (1) is provided with circular block (2), and the diameter of circular block (2) is the same with the diameter of jar body (1), the inside fixed mounting of circular block (2) has motor (4), circular block (2) are fixed in the top of the jar body through external support equipment, and round hole (5) have been seted up to the bottom wall of circular block (2), and round hole (5) communicate the inside of circular block (2), fixed mounting has spliced pole (6) in the pivot of motor (4).
3. A cyclic separation system based on ceramic membrane process according to claim 2, characterized in that: spliced pole (6) extend to the inside of jar body (1) through round hole (5) always, cup joint movable sleeve (7) that can reciprocate on the outer wall of spliced pole (6), movable sleeve (7) are cylindrical tubulose, the below wall fixed mounting of spliced pole (6) has stopper (12), and stopper (12) are the circular shape piece, and stopper (12) are located the below of movable sleeve (7).
4. A cyclic separation system based on ceramic membrane process according to claim 3, characterized in that: two rectangular grooves are formed in the outer wall of the connecting column (6), the two rectangular grooves correspond to each other in the left and right directions, blocks of two rectangles are fixedly mounted on the inner wall of the movable sleeve (7) and correspond to each other in the left and right directions, and the rectangular blocks on the movable sleeve (7) are connected in the rectangular grooves in a clamped mode.
5. A ceramic membrane process based cyclic separation system according to claim 4, wherein: fixed mounting has stirring leaf (8) on the outer wall of movable sleeve (7), and the stirring leaf (8) of the left and right sides is crisscross about setting, fixed mounting has annular piece (9) on the inner wall of jar body (1), annular piece (9) are annular.
6. A ceramic membrane process based cyclic separation system according to claim 5, wherein: the upper wall surface of the annular block (9) is fixedly provided with a triangular block (10), the triangular block (10) is a right-angled triangle, the outer wall of the movable sleeve (7) is fixedly provided with a connecting rod (11), the connecting rod (11) is a rectangular block, and the connecting rod (11) is positioned above the annular block (9).
7. A cyclic separation system based on ceramic membrane process according to claim 3, characterized in that: seted up circular slot (19) on the bottom wall of stopper (12), the inner wall of circular slot (19) is unevenness, set up on the bottom wall of jar body (1) fluted (15), the inside fixed mounting of recess (15) has box (17), the inside fixed mounting of box (17) has clockwork spring (18), the central point of clockwork spring (18) puts fixed mounting and has rotary column (16), rotary column (16) are cylindrical, and the circular shape hole has been seted up to the top wall of box (17), and goes up the inside of circular shape hole intercommunication box (17) on box (17), rotary column (16) extend to the top of box (17) through the circular shape hole of box (17) top all the time.
8. A cyclic separation system based on ceramic membrane process according to claim 7, characterized in that: the top wall fixed mounting of commentaries on classics post (16) has clutch blocks (20), clutch blocks (20) are circular shape piece, and the surface of clutch blocks (20) is circular shape piece, clutch blocks (20) are in the same place with circular slot (19) joint, fixed mounting has L shape piece (13) on the outer wall of commentaries on classics post (16), L shape piece (13) are that a horizontal rectangle piece and a rectangle piece that erects combine to form, and L shape piece (13) laminate with the bottom inner wall and the arc inner wall of jar body (1) respectively.
9. A cyclic separation system based on ceramic membrane process according to claim 2, characterized in that: the discharge port (14) is formed in the wall face of the bottom of the tank body (1), the discharge port (14) is a circular port, a rectangular port is formed in the outer wall of the tank body (1), and the movable block (3) is movably mounted in the rectangular port through a hinge.
CN202010004304.0A 2020-01-03 2020-01-03 Circulating separation system based on ceramic membrane process Pending CN111111592A (en)

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Publication number Priority date Publication date Assignee Title
CN111644097A (en) * 2020-06-24 2020-09-11 山东润德生物科技有限公司 Dialysis mixing process for glucosamine liquid ceramic membrane filtration
CN112146403A (en) * 2020-08-26 2020-12-29 周然然 Tertiary drying device of tealeaves
CN114100494A (en) * 2021-11-08 2022-03-01 江西睿达新能源科技有限公司 Production equipment and production process of ternary precursor

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Publication number Priority date Publication date Assignee Title
CN111644097A (en) * 2020-06-24 2020-09-11 山东润德生物科技有限公司 Dialysis mixing process for glucosamine liquid ceramic membrane filtration
CN112146403A (en) * 2020-08-26 2020-12-29 周然然 Tertiary drying device of tealeaves
CN114100494A (en) * 2021-11-08 2022-03-01 江西睿达新能源科技有限公司 Production equipment and production process of ternary precursor

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Application publication date: 20200508