CN112452014A - Method for purifying lignin - Google Patents

Method for purifying lignin Download PDF

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Publication number
CN112452014A
CN112452014A CN202011618334.7A CN202011618334A CN112452014A CN 112452014 A CN112452014 A CN 112452014A CN 202011618334 A CN202011618334 A CN 202011618334A CN 112452014 A CN112452014 A CN 112452014A
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CN
China
Prior art keywords
fixedly connected
wall
bearing
bucket
lignin
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
CN202011618334.7A
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Chinese (zh)
Inventor
沈浩
周晓庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Nanda Environmental Protection Technology Co ltd
Original Assignee
Nanjing Nanda Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Nanda Environmental Protection Technology Co ltd filed Critical Nanjing Nanda Environmental Protection Technology Co ltd
Priority to CN202011618334.7A priority Critical patent/CN112452014A/en
Publication of CN112452014A publication Critical patent/CN112452014A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/10—Dissolving using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/411—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft
    • B01F35/4111—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft at the top of the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50—Mixing receptacles
    • B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a lignin purification method, which comprises a bearing barrel, wherein a door plate is arranged at the top of the bearing barrel, a main shaft is rotatably inserted and sleeved in the middle of the lower surface of the door plate, a plurality of stirring rods are symmetrically and fixedly connected to the bottom of the outer wall of the main shaft at equal intervals, a bearing frame is slidably sleeved in the inner cavity of the bearing barrel, a filter screen is fixedly sleeved in the inner cavity of the bearing frame, a discharge hole is formed in the front surface of the bearing barrel, a sealing plate is arranged on the front surface of the bearing barrel, a sealing block is fixedly connected to the back surface of the sealing plate, the outer wall of the sealing block is slidably sleeved with the inner cavity of the discharge hole. According to the invention, the discharge hole is formed in the front surface of the bearing barrel by utilizing the arrangement mode of the bearing barrel, so that the sealing plate is disassembled, impurities filtered on the filter screen can be cleaned, the production efficiency is improved, the damage of the filter screen caused by frequent disassembly can be reduced, and the practical performance is improved.

Description

Method for purifying lignin
Technical Field
The invention relates to the field of purification equipment, in particular to a method for purifying lignin.
Background
Lignin is a complex organic polymer which forms an important structural material in the supporting tissues of vascular plants and some algae, and is particularly important in the formation of cell walls, particularly in wood and bark, because it imparts rigidity and is not easily rotted, lignosulfonate is further subjected to a hydrolysis reaction in an acidic cooking liquor, depolymerizes hemicellulose bound to lignin, and dissolves out the lignosulfonate, and realizes the separation of lignin, cellulose and hemicellulose, thereby obtaining pulp, and also makes possible the application of lignin, and when lignocelluloses are separated from cellulose, a filter screen is usually adopted to filter and separate cellulose, thereby purifying lignin, but the filter screen needs to be periodically disassembled, and the cellulose filtered thereon is cleaned, but frequent disassembly of the filter screen not only reduces the production efficiency, and the filter screen is easy to damage, so that the practical performance of the filter screen is reduced.
Disclosure of Invention
The present invention aims to provide a method for purifying lignin, which solves the problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a purification method of lignin, includes the bearing bucket, the top of bearing bucket is provided with the door plant, the middle part of door plant lower surface is rotated and is alternated to cup jointed the main shaft, a plurality of puddlers of bottom symmetry equidistance fixedly connected with of main shaft outer wall, bearing frame has been cup jointed in the inner chamber slip of bearing bucket, bearing frame's inner chamber is fixed to have cup jointed the filter screen, the discharge opening has been seted up in bearing bucket's front, bearing bucket's front sets up the closing plate, the sealed piece of back fixedly connected with of closing plate, the outer wall of sealed piece cup joints with the inner chamber slip of discharge opening.
Preferably, the outer wall of the sealing block and the back of the sealing plate are fixedly connected with sealing leather gaskets, the front of the sealing plate is symmetrically provided with fixing bolts, and the sealing plate is fixedly connected with the bearing barrel through the fixing bolts.
Preferably, the fixed interlude in top of door plant has cup jointed feeding funnel, the symmetry fixedly connected with first in command in top of door plant, the bottom of door plant is a plurality of locating levers of annular array equidistance fixedly connected with, the top of bearing bucket is the annular array equidistance and has seted up a plurality of constant head tanks, the outer wall of locating lever cup joints with the inner chamber slip of constant head tank.
Preferably, the top fixedly connected with of door plant bears the case, one side fixedly connected with motor that bears the weight of incasement wall top, the output transmission of motor is connected with first gear, the fixed cover in top of main shaft outer wall has connect the second gear, first gear and second gear meshing are connected.
Preferably, the fixed inlet tube that has cup jointed in top that bears bucket one side, the fixed outlet pipe that has cup jointed in bottom that bears bucket one side, the outer wall of inlet tube and the outer wall of outlet pipe all are provided with the valve.
Preferably, the inner wall of bearing bucket is fixed to be cup jointed braced frame, braced frame's top is the annular array equidistance and has seted up a plurality of locating holes, braced frame's bottom is annular array equidistance fixedly connected with gag lever post, the outer wall of gag lever post cup joints with the inner chamber slip of locating hole.
Preferably, the bottom of gag lever post outer wall both sides has all been seted up bearing groove, the fixture block has been cup jointed in the chamber slip of bearing groove, the first spring of one end fixedly connected with of fixture block, the one end of first spring and the inner wall fixed connection of bearing groove, the draw-in groove has been seted up to the inner wall symmetry of locating hole, the outer wall of fixture block and the inner chamber slip joint of draw-in groove.
Preferably, the bottom of bearing the weight of the bucket is ring array equidistance fixedly connected with bracing piece, the outer wall of bracing piece is provided with the abutment sleeve, the fixed spacing lantern ring that has cup jointed in top of abutment sleeve's inner chamber, the bottom of bracing piece passes spacing lantern ring fixedly connected with limiting plate.
Preferably, the outer wall of bracing piece slides and has cup jointed the second spring, the second spring is located between limiting plate and the spacing lantern ring, the bottom fixedly connected with block rubber of supporting sleeve's inner chamber, the bottom and the block rubber of limiting plate laminate mutually.
Preferably, the method for purifying the lignin comprises the following steps: the discharge opening has been seted up in the front that utilizes the setting mode that bears the weight of the bucket to bearing the weight of the bucket to dismantle the closing plate, just can clear up filterable impurity on the filter screen, utilize the setting mode of door plant, rotate on the door plant and alternate and cup jointed the main shaft, thereby the main shaft rotates, just can make the puddler stir it, and then accelerate dissolving of lignin, and then purify.
The invention has the technical effects and advantages that:
(1) according to the invention, the discharge hole is formed in the front surface of the bearing barrel by utilizing the arrangement mode of the bearing barrel, so that the sealing plate is disassembled, impurities filtered on the filter screen can be cleaned, the production efficiency is improved, the damage of the filter screen caused by frequent disassembly can be reduced, and the practical performance is improved;
(2) according to the invention, the door plate is arranged in a manner that the door plate is rotatably inserted and sleeved with the main shaft, so that the main shaft rotates, the stirring rod can stir the main shaft, the dissolution of lignin is accelerated, and the production efficiency is improved;
(3) according to the invention, the arrangement mode of the support rod and the support sleeve is utilized, the spring is arranged on the outer wall of the support rod, and the rubber block is arranged at the bottom of the inner cavity of the support sleeve, so that the shock absorption protection treatment can be carried out on the bearing barrel, the probability of accelerating damage of parts of the bearing barrel due to vibration generated by the bearing barrel is reduced, and the practical performance of the bearing barrel is further improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a front view of the inner structure of the carrying barrel of the present invention.
Fig. 3 is a schematic view of the inner structure of the top surface of the bearing barrel part of the invention.
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention.
FIG. 5 is a front internal view of the support sleeve of the present invention.
In the figure: 1. a carrying bucket; 2. a door panel; 3. a main shaft; 4. a stirring rod; 5. a load-bearing frame; 6. a filter screen; 7. a discharge hole; 8. a sealing plate; 9. a sealing block; 10. fixing the bolt; 11. a feed hopper; 12. positioning a rod; 13. a first handle; 14. a carrying case; 15. a motor; 16. a water inlet pipe; 17. a water outlet pipe; 18. a support frame; 19. a limiting rod; 20. positioning holes; 21. a clamping block; 22. a first spring; 23. a support bar; 24. a support sleeve; 25. a limiting lantern ring; 26. a limiting plate; 27. a second spring; 28. a rubber block.
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.
The invention provides a lignin purification method as shown in figures 1-5, which comprises a bearing barrel 1, wherein a dissolving solution can be injected into the bearing barrel 1 to dissolve lignin, the dissolving solution is a mixed solution of a cellulose sulfonate solution and other substances, and cellulose is insoluble in the cellulose sulfonate solution, so that the lignin is separated from the cellulose, a door panel 2 is arranged at the top of the bearing barrel 1, a main shaft 3 is rotatably inserted and sleeved in the middle of the lower surface of the door panel 2, a plurality of stirring rods 4 are fixedly connected to the bottom of the outer wall of the main shaft 3 symmetrically at equal intervals, the lignin dissolution efficiency can be accelerated by the stirring rods 4, a bearing frame 5 is sleeved in an inner cavity of the bearing barrel 1 in a sliding manner, a filter screen 6 is fixedly sleeved in an inner cavity of the bearing frame 5, the filter screen 6 can filter the cellulose and other impurities, a discharge hole 7 is arranged on the front surface of the bearing barrel 1, and the, thereby take off closing plate 8 and sealed piece 9, just can follow and take out the impurity on the filter screen 6 in the discharge opening 7, the front that bears bucket 1 sets up closing plate 8, the sealed piece 9 of the back fixedly connected with of closing plate 8, the outer wall of sealed piece 9 cup joints with the inner chamber of discharge opening 7 is slided, the equal fixedly connected with seal leather packing of the outer wall of sealed piece 9 and the back of closing plate 8, seal leather packing can strengthen the leakproofness of sealed piece 9 and closing plate 8 to discharge opening 7, the front symmetry of closing plate 8 is provided with fixing bolt 10, closing plate 8 passes through fixing bolt 10 and bears bucket 1 fixed connection.
The top of the door panel 2 is fixedly inserted and sleeved with a feeding funnel 11, the top of the door panel 2 is symmetrically and fixedly connected with a first handle 13, the bottom of the door panel 2 is fixedly connected with a plurality of positioning rods 12 in an annular array at equal intervals, the top of the bearing barrel 1 is provided with a plurality of positioning grooves in an annular array at equal intervals, the outer wall of each positioning rod 12 is slidably sleeved with the inner cavity of each positioning groove, the top of the door panel 2 is fixedly connected with a bearing box 14, one side of the top of the inner wall of the bearing box 14 is fixedly connected with a motor 15, the motor 15 is electrically connected with an external power supply through an external motor switch, the output end of the motor 15 is in transmission connection with a first gear, the diameter of the first gear is smaller than that of a second gear, so that the motor 15 can drive the spindle 3 to rotate, the rotating speed of the spindle 3 is reduced, the solution is prevented from, the first gear is in meshed connection with the second gear.
The top of one side of the bearing barrel 1 is fixedly sleeved with a water inlet pipe 16, the bottom of one side of the bearing barrel 1 is fixedly sleeved with a water outlet pipe 17, and the outer walls of the water inlet pipe 16 and the water outlet pipe 17 are provided with valves.
The inner wall of the bearing barrel 1 is fixedly sleeved with a supporting frame 18, the top of the supporting frame 18 is provided with a plurality of positioning holes 20 in an annular array at equal intervals, the bottom of the bearing frame 5 is fixedly connected with a limiting rod 19 in an annular array at equal intervals, the outer wall of the limiting rod 19 is in sliding sleeve connection with the inner cavity of the positioning holes 20, the bottoms of two sides of the outer wall of the limiting rod 19 are respectively provided with a bearing groove, a clamping block 21 is in sliding sleeve connection with the cavity of the bearing groove, one end of the clamping block 21 is fixedly connected with a first spring 22, one end of the first spring 22 is fixedly connected with the inner wall of the bearing groove, the inner wall of each positioning hole 20 is symmetrically provided with a clamping groove, the outer wall, therefore, the latch 21 is acted by an upward force, the latch 21 can slide relative to the bearing groove to press the first spring 22, and the limiting rod 19 can be separated from the positioning hole 20.
The bottom that bears bucket 1 is annular array equidistance fixedly connected with bracing piece 23, the outer wall of bracing piece 23 is provided with supporting sleeve 24, the fixed spacing lantern ring 25 that has cup jointed in top of supporting sleeve 24's inner chamber, the bottom of bracing piece 23 passes spacing lantern ring 25 fixedly connected with limiting plate 26, the outer wall of bracing piece 23 slides and has cup jointed second spring 27, second spring 27 is located between limiting plate 26 and the spacing lantern ring 25, the bottom fixedly connected with block rubber 28 of supporting sleeve 24's inner chamber, the bottom and the block rubber 28 of limiting plate 26 laminate mutually.
The working principle of the invention is as follows: when dissolving and purifying lignin, firstly opening a valve on a water inlet pipe 16, injecting a proper amount of dissolving agent into a bearing barrel 1 through the water inlet pipe 16, then opening a motor switch, driving a main shaft 3 to rotate through a first gear and a second gear by a motor 15, so that a stirring rod 4 rotates in the dissolving agent, then adding a proper amount of raw materials into the bearing barrel 1 through a feeding funnel 11, dissolving the lignin in a solution under the action of the stirring rod 4, then opening a valve on a water outlet pipe 17, so that the solution flows out of the water outlet pipe 17, and filtering cellulose and other impurities by a filter screen 6;
after the solution in the bearing barrel 1 is discharged, the fixing bolt 10 is loosened, the sealing plate 8 and the sealing block 9 are taken down, impurities on the filter screen 6 are taken out from the discharge hole 7, then the sealing plate 8 and the sealing block 9 are utilized to seal the discharge hole 7, the steps are repeated, the rest lignin is purified and processed, when the inside of the bearing barrel 1 is cleaned, the first handle 13 is pulled at first, the door plate 2 is separated from the bearing barrel 1, the spindle 3 is taken out, then the second handle is pulled, the bearing frame 5 moves upwards, the clamping block 21 slides and extrudes the first spring 22, the clamping block 21 is separated from the clamping groove, the filter screen 6 can be taken out, and the bearing barrel can be cleaned one by one.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a purification equipment of lignin, includes bearing bucket (1), its characterized in that, the top of bearing bucket (1) is provided with door plant (2), the middle part of door plant (2) lower surface is rotated and is alternated and has been cup jointed main shaft (3), a plurality of puddlers of bottom symmetry equidistance fixedly connected with (4) of main shaft (3) outer wall, bearing frame (5) have been cup jointed in the inner chamber slip of bearing bucket (1), filter screen (6) have been cup jointed to the inner chamber of bearing frame (5), discharge opening (7) have been seted up in the front of bearing bucket (1), the front of bearing bucket (1) sets up closing plate (8), the back fixedly connected with seal block (9) of closing plate (8), the outer wall of seal block (9) cup joints with the inner chamber slip of discharge opening (7).
2. The lignin purification apparatus according to claim 1, wherein the outer wall of the sealing block (9) and the back surface of the sealing plate (8) are both fixedly connected with sealing leather gaskets, the front surface of the sealing plate (8) is symmetrically provided with fixing bolts (10), and the sealing plate (8) is fixedly connected with the carrying bucket (1) through the fixing bolts (10).
3. The lignin purification apparatus according to claim 1, wherein a feeding funnel (11) is fixedly inserted and sleeved on the top of the door panel (2), a first handle (13) is symmetrically and fixedly connected on the top of the door panel (2), a plurality of positioning rods (12) are fixedly connected to the bottom of the door panel (2) in an annular array and equidistantly, a plurality of positioning grooves are formed in the top of the carrying bucket (1) in an annular array and equidistantly, and the outer walls of the positioning rods (12) are slidably sleeved with the inner cavities of the positioning grooves.
4. The lignin purification apparatus according to claim 1, wherein a bearing box (14) is fixedly connected to the top of the door plate (2), a motor (15) is fixedly connected to one side of the top of the inner wall of the bearing box (14), an output end of the motor (15) is in transmission connection with a first gear, a second gear is fixedly sleeved on the top of the outer wall of the spindle (3), and the first gear is in meshing connection with the second gear.
5. The lignin purification apparatus according to claim 1, wherein a water inlet pipe (16) is fixedly sleeved on the top of one side of the carrying bucket (1), a water outlet pipe (17) is fixedly sleeved on the bottom of one side of the carrying bucket (1), and valves are disposed on the outer walls of the water inlet pipe (16) and the water outlet pipe (17).
6. The lignin purification apparatus according to claim 1, wherein a support frame (18) is fixedly sleeved on an inner wall of the carrying barrel (1), a plurality of positioning holes (20) are equidistantly formed in the top of the support frame (18) in an annular array, a limiting rod (19) is fixedly connected to the bottom of the carrying frame (5) in an annular array in an equidistant manner, and an outer wall of the limiting rod (19) is slidably sleeved with an inner cavity of the positioning hole (20).
7. The lignin purification apparatus according to claim 6, wherein the bottom of each of the two sides of the outer wall of the limiting rod (19) is provided with a bearing groove, a clamping block (21) is slidably sleeved in a cavity of each bearing groove, one end of each clamping block (21) is fixedly connected with a first spring (22), one end of each first spring (22) is fixedly connected with the inner wall of each bearing groove, the inner wall of each positioning hole (20) is symmetrically provided with a clamping groove, and the outer wall of each clamping block (21) is slidably clamped with the inner cavity of each clamping groove.
8. The lignin purification apparatus according to claim 1, wherein the bottom of the carrying barrel (1) is a ring array with support rods (23) fixedly connected at equal intervals and equal distances, the outer wall of each support rod (23) is provided with a support sleeve (24), the top of the inner cavity of each support sleeve (24) is fixedly sleeved with a limit collar (25), and the bottom of each support rod (23) penetrates through the limit collar (25) and is fixedly connected with a limit plate (26).
9. The lignin purification apparatus according to claim 8, wherein a second spring (27) is slidably sleeved on an outer wall of the support rod (23), the second spring (27) is located between the limit plate (26) and the limit collar (25), a rubber block (28) is fixedly connected to the bottom of the inner cavity of the support sleeve (24), and the bottom of the limit plate (26) is attached to the rubber block (28).
10. A method for purifying lignin, which is characterized by comprising the following steps: utilize the mode of setting up that bears bucket (1), discharge opening (7) have been seted up in the front that bears bucket (1), thereby dismantle closing plate (8), just can clear up filterable impurity on filter screen (6), utilize the mode of setting up of door plant (2), it has cup jointed main shaft (3) to rotate to alternate on door plant (2), thereby main shaft (3) rotate, just can make puddler (4) stir it, and then accelerate dissolving of lignin, and then purify.
CN202011618334.7A 2020-12-31 2020-12-31 Method for purifying lignin Pending CN112452014A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011618334.7A CN112452014A (en) 2020-12-31 2020-12-31 Method for purifying lignin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011618334.7A CN112452014A (en) 2020-12-31 2020-12-31 Method for purifying lignin

Publications (1)

Publication Number Publication Date
CN112452014A true CN112452014A (en) 2021-03-09

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Application Number Title Priority Date Filing Date
CN202011618334.7A Pending CN112452014A (en) 2020-12-31 2020-12-31 Method for purifying lignin

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113480742A (en) * 2021-07-06 2021-10-08 浙江捷发科技股份有限公司 Method for sulfurizing modified sodium lignosulfonate from papermaking black liquor
CN113663371A (en) * 2021-08-26 2021-11-19 安徽金邦医药化工有限公司 Purification preparation facilities of solid sodium methoxide

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107570036A (en) * 2017-09-17 2018-01-12 吴莉锋 A kind of slurrying stirring means of stability
CN207552792U (en) * 2017-11-27 2018-06-29 刘琼云 A kind of paper grade (stock) filter plant
CN209442782U (en) * 2019-01-25 2019-09-27 南昌市博利达实业有限公司 A kind of textile printing and dyeing wastewater processing equipment
CN210975358U (en) * 2019-11-04 2020-07-10 岳西县天华包装制品有限公司 Paper pulp filter equipment is used in production of packing paper bucket
CN211676401U (en) * 2019-12-25 2020-10-16 哈尔滨宝德生物技术股份有限公司 Astaxanthin production is with circulation extraction device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107570036A (en) * 2017-09-17 2018-01-12 吴莉锋 A kind of slurrying stirring means of stability
CN207552792U (en) * 2017-11-27 2018-06-29 刘琼云 A kind of paper grade (stock) filter plant
CN209442782U (en) * 2019-01-25 2019-09-27 南昌市博利达实业有限公司 A kind of textile printing and dyeing wastewater processing equipment
CN210975358U (en) * 2019-11-04 2020-07-10 岳西县天华包装制品有限公司 Paper pulp filter equipment is used in production of packing paper bucket
CN211676401U (en) * 2019-12-25 2020-10-16 哈尔滨宝德生物技术股份有限公司 Astaxanthin production is with circulation extraction device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113480742A (en) * 2021-07-06 2021-10-08 浙江捷发科技股份有限公司 Method for sulfurizing modified sodium lignosulfonate from papermaking black liquor
CN113663371A (en) * 2021-08-26 2021-11-19 安徽金邦医药化工有限公司 Purification preparation facilities of solid sodium methoxide
CN113663371B (en) * 2021-08-26 2022-09-02 安徽金邦医药化工有限公司 Purification preparation facilities of solid sodium methoxide

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Application publication date: 20210309