CN106008997A - Device for extracting xylogen from papermaking wastewater - Google Patents
Device for extracting xylogen from papermaking wastewater Download PDFInfo
- Publication number
- CN106008997A CN106008997A CN201610485193.3A CN201610485193A CN106008997A CN 106008997 A CN106008997 A CN 106008997A CN 201610485193 A CN201610485193 A CN 201610485193A CN 106008997 A CN106008997 A CN 106008997A
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- storage tank
- circulating
- pump
- filter
- ceramic membrane
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- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
- C07G1/00—Lignin; Lignin derivatives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of chemical production, in particular to a device for extracting xylogen from papermaking wastewater. The device is characterized by comprising a material storage pot 1, a circulating filtration system 2 and a plate-and-frame filter press 3. The circulating filtration system 2 comprises a circulating storage pot 21, a material pump 22, a ceramic membrane filter device 23, a circulating pump 24, a dialysate storage pot 25 and a concentrated solution storage pot 26. An output port of the material pump 22 is connected with a feed inlet 231 of the ceramic membrane filter device 23. A concentrated solution outlet 231 of the ceramic membrane filter device is connected with a feed inlet 261 of the concentrated solution storage pot, a discharge outlet 262 of the concentrated solution storage pot is connected with an input port of the circulating pump 24, an output port of the circulating pump 24 is connected with a feed inlet 211 of the circulating storage pot, and a discharge outlet 213 is formed in the bottom of the circulating storage pot and connected with a feed inlet 31 of the plate-and-frame filter press. The device has the advantages that the occupied area is small, batch repeated sedimentation is not needed, the production process is continuous, the production cycle is short, the labor intensity is small, and production environment is improved.
Description
Technical field
The present invention relates to chemical production technical field, be specifically related to a kind of extraction lignin from paper waste
Device.
Background technology
Paper industry uses timber, Caulis et Folium Oryzae, phragmites communis, rag etc. for raw material, divides through High Temperature High Pressure steaming and decocting
Separate out cellulose, make paper pulp.In process of production, the non-cellulose part finally discharged in raw material becomes
For black liquid.Containing lignin, cellulose, VFA etc. in black liquor, frowziness, pollutes
Property is the strongest.Paper waste contains organic substance and the inorganic substances being difficult in a large number remove, organic substance one
As include lignin and derivant, polysaccharide, alcohols, organic acid, pectin, phenolic compound etc., its
Lignin accounts for the 1% to 2% of waste liquid total amount, accounts for the 30% of total solid.
Lignin is as the side-product of paper industry, of many uses, and lignin can be as water-soluble through modification
Property lignosulfonates this primary industry product are applied to leather retanning agent and dye additive;In agricultural production
Can be used for fertilizer;Additionally at agricultural, oil, metallurgy, dyestuff, cement and concrete industry and high score
Also achieved with application in sub-material industry.
The plant area area extracting lignin at present in paper waste is big, and repeatedly precipitation filters the production cycle
Long, human input is many, and filter press device extracts in lignin in waste water and uses in a large number, owing to needs are many
Secondary feeding, discharging, production environment is severe, and workload is big.
Summary of the invention
It is an object of the invention to solve above-mentioned deficiency, to achieve these goals, below the present invention uses
Technical scheme:
A kind of device extracting lignin from paper waste, is characterized by include material storage tank 1, be circulated throughout
Filter system 2, filter press 3, described circulated filter system 2 include circulating storage tank 21, product pump 22,
Ceramic membrane filter device 23, circulating pump 24, dialysate storage tank 25, concentrated solution storage tank 26, described material
Reservoir outlet 11 is connected with dnockout pump 12 input port, dnockout pump delivery outlet and circulating storage tank charging aperture 211
Connecting, described circulating storage tank discharging opening 212 is connected with product pump 22 input port, product pump 22 delivery outlet
Be connected with ceramic membrane filter device 23 charging aperture 231, ceramic membrane filter device concentrated solution discharging opening 232 with
Concentrated solution reservoir inlet 261 connects, and concentrated solution reservoir outlet 262 is connected with circulating pump 24 input port,
Circulating pump 24 delivery outlet is connected with circulating storage tank charging aperture 211, ceramic membrane filter device dialysate discharging opening
233 are connected with dialysate reservoir inlet 251;Discharge port 213 it is provided with bottom described circulating storage tank, described
Discharge port 213 is connected with filter press machine inlet 31, and described discharge port 213 feeds with filter press
On the pipelines that mouth 31 connects, a valve 32 is set;
Described material storage tank 1 tank deck is provided with solvent feed mouth 13;
Described material storage tank tank 1 top be provided with agitating device 14, described agitating device 14 include shaft 141,
The stirring paddle 142 of shaft lower end, the electric rotating machine 143 of shaft upper end.
Described circulating storage tank discharging opening 212 is positioned at distance tank top 1/2nd to two/3rds;
Described circulating storage tank 21 high level arranges float switch 214, and float switch 214 is by normally closed
Contact and relay connect, and float switch 214 switches off when floating, and are used for controlling to stop charging, floating
Switch Guan Bi when ball switch 214 falls, for supplementing charging.
On described circulating storage tank discharging opening 212 pipeline, a gravimeter 215 is set.
The optimal conditions of the present invention is, described agitating device electric rotating machine 143, product pump 22, circulating pump
24, dnockout pump 12 control switch is separately provided respectively.
Further, described ceramic membrane filter device 23, also include housing 234, housing bottom is provided with into water
Mouth 235, enclosure interior water inlet 235 is connected with cartridge filter 236, and described cartridge filter 236 is another
One end connects one group of earthenware 237, and earthenware 237 uniformly has small through hole, and earthenware 237 and shell
The dialysate outlet 233 on body top is connected.
Further, the number of described earthenware 237 is 2 to 5.
Further, a diameter of 3 to 8 centimetres of described earthenware 237.
Further, a diameter of 1 to 3 micron of the small through hole of described earthenware 237.
Further, described filter press 3 includes filter cylinder 33 and filter screen 34, and filter screen 34 is located at filter cylinder 33
In, described filter screen 34 is made up of Double-layer cloth bag.
Operation principle of the present invention: after material storage tank 1 squeezes into paper waste, by solvent feed mouth 13 toward thing
Material storage tank 1 adds solvent, stirs simultaneously, starts dnockout pump 12, toward circulating storage tank 21 dnockout, to ball float
Switch 214 floats, and switches off when floating, and stops charging, switch Guan Bi when float switch 214 falls,
Continuing feed supplement, circulating storage tank 21 material is inputted ceramic membrane filter device from discharging opening 212 by product pump 22
23, enter dialysate storage tank 25 from the dialysate of earthenware with dialysate outlet 233 outflow of housing tip,
From earthenware 237, concentrated solution out enters concentrated solution storage tank 261, then will be concentrated by circulating pump 24
Concentrated solution in liquid storage tank 261 squeezes into circulating storage tank 21, and concentrated solution is heavy through being precipitated to circulation storage
Tank 21 bottom, the little concentrated solution of top proportion together with the material of newly entering circulating storage tank 21 by discharging opening
212 enter ceramic membrane filter device 23, circulate and so forth, when the ratio on circulating storage tank discharge nozzle 212
When restatement 215 numerical value reaches setting value, opening the discharge port valve 32 bottom circulating storage tank 21, material unloads
Enter filter press 3, after filter pressing, take filter press apart, take out filter bag and obtain solids lignin.
Compared with prior art, the invention has the beneficial effects as follows: floor space is little, need not the most repeatedly sink
Forming sediment, production process serialization, with short production cycle, labor intensity is few, and production environment is improved.
Accompanying drawing explanation
Fig. 1 is a kind of apparatus structure schematic diagram extracting lignin from paper waste of the present invention.
Detailed description of the invention
In order to make the technological means of the present invention, creation characteristic, reach purpose and be easy to understand with effect,
In conjunction with specific embodiments and the drawings, the present invention is further elaborated.
Embodiment one:
A kind of device extracting lignin from paper waste, is characterized by include material storage tank 1, be circulated throughout
Filter system 2, filter press 3, described circulated filter system 2 include circulating storage tank 21, product pump 22,
Ceramic membrane filter device 23, circulating pump 24, dialysate storage tank 25, concentrated solution storage tank 26, described material
Reservoir outlet 11 is connected with dnockout pump 12 input port, dnockout pump delivery outlet and circulating storage tank charging aperture 211
Connecting, described circulating storage tank discharging opening 212 is connected with product pump 22 input port, product pump 22 delivery outlet
Be connected with ceramic membrane filter device 23 charging aperture 231, ceramic membrane filter device concentrated solution discharging opening 232 with
Concentrated solution reservoir inlet 261 connects, and concentrated solution reservoir outlet 262 is connected with circulating pump 24 input port,
Circulating pump 24 delivery outlet is connected with circulating storage tank charging aperture 211, ceramic membrane filter device dialysate discharging opening
233 are connected with dialysate reservoir inlet 251;Discharge port 213 it is provided with bottom described circulating storage tank, described
Discharge port 213 is connected with filter press machine inlet 31, and described discharge port 213 feeds with filter press
On the pipelines that mouth 31 connects, a valve 32 is set;Described material storage tank 1 tank deck is provided with solvent feed mouth 13;
Material storage tank tank 1 top is provided with agitating device 14, and described agitating device 14 includes shaft 141, shaft
The stirring paddle 142 of lower end, the electric rotating machine 143 of shaft upper end.Described circulating storage tank discharging opening 212
At distance tank top 2/3rds;Described circulating storage tank 21 high level arranges float switch 214,
Float switch 214 is connected by normally-closed contact and relay, and float switch 214 switches off when floating,
For control stop charging, when float switch 214 falls switch Guan Bi, for supplement charging, described in follow
One gravimeter 215, described agitating device electric rotating machine 143, thing are set on ring reservoir outlet 212 pipeline
Material pump 22, circulating pump 24, dnockout pump 12 control switch and are separately provided respectively;Described ceramic membrane mistake
Filter device 23, also includes housing 234, and housing bottom is provided with water inlet 235, enclosure interior water inlet 235
Being connected with cartridge filter 236, described cartridge filter 236 other end connects one group of earthenware 237, pottery
Uniformly have small through hole on porcelain tube 237, and the dialysate of earthenware 237 and housing tip exports 233 phases
Even, the number of described earthenware 237 is 2, a diameter of 8 centimetres, the small through hole of earthenware 237
A diameter of 3 microns;Described filter press 3 includes filter cylinder 33 and filter screen 34, and filter screen 34 is located at filter cylinder
In 33, described filter screen 34 is made up of Double-layer cloth bag.
Workflow of the present invention: after material storage tank 1 squeezes into paper waste, by solvent feed mouth 13 toward thing
Material storage tank 1 adds solvent, stirs simultaneously, starts dnockout pump 12, toward circulating storage tank 21 dnockout, to ball float
Switch 214 floats, and switches off when floating, and stops charging, switch Guan Bi when float switch 214 falls,
Continuing feed supplement, circulating storage tank 21 material is inputted ceramic membrane filter device from discharging opening 212 by product pump 22
23, enter dialysate storage tank 25 from the dialysate of earthenware with dialysate outlet 233 outflow of housing tip,
From earthenware 237, concentrated solution out enters concentrated solution storage tank 261, then will be concentrated by circulating pump 24
Concentrated solution in liquid storage tank 261 squeezes into circulating storage tank 21, and concentrated solution is heavy through being precipitated to circulation storage
Tank 21 bottom, the little concentrated solution of top proportion together with the material of newly entering circulating storage tank 21 by discharging opening
212 enter ceramic membrane filter device 23, circulate and so forth, when the ratio on circulating storage tank discharge nozzle 212
When restatement 215 numerical value reaches 3.5mg/ml, open the discharge port valve 32 bottom circulating storage tank 21, thing
Material is discharged into filter press 3, takes filter press after filter pressing apart, takes out filter bag and obtains solids lignin, papermaking
Lignin recovery rate in waste water reaches 42.4%.
Embodiment two:
A kind of device extracting lignin from paper waste, is characterized by include material storage tank 1, be circulated throughout
Filter system 2, filter press 3, described circulated filter system 2 include circulating storage tank 21, product pump 22,
Ceramic membrane filter device 23, circulating pump 24, dialysate storage tank 25, concentrated solution storage tank 26, described material
Reservoir outlet 11 is connected with dnockout pump 12 input port, dnockout pump delivery outlet and circulating storage tank charging aperture 211
Connecting, described circulating storage tank discharging opening 212 is connected with product pump 22 input port, product pump 22 delivery outlet
Be connected with ceramic membrane filter device 23 charging aperture 231, ceramic membrane filter device concentrated solution discharging opening 232 with
Concentrated solution reservoir inlet 261 connects, and concentrated solution reservoir outlet 262 is connected with circulating pump 24 input port,
Circulating pump 24 delivery outlet is connected with circulating storage tank charging aperture 211, ceramic membrane filter device dialysate discharging opening
233 are connected with dialysate reservoir inlet 251;Discharge port 213 it is provided with bottom described circulating storage tank, described
Discharge port 213 is connected with filter press machine inlet 31, and described discharge port 213 feeds with filter press
On the pipelines that mouth 31 connects, a valve 32 is set;Described material storage tank 1 tank deck is provided with solvent feed mouth 13;
Material storage tank tank 1 top is provided with agitating device 14, and described agitating device 14 includes shaft 141, shaft
The stirring paddle 142 of lower end, the electric rotating machine 143 of shaft upper end.Described circulating storage tank discharging opening 212
At distance tank top 1/2nd;Described circulating storage tank 21 high level arranges float switch 214,
Float switch 214 is connected by normally-closed contact and relay, and float switch 214 switches off when floating,
For control stop charging, when float switch 214 falls switch Guan Bi, for supplement charging, described in follow
One gravimeter 215, described agitating device electric rotating machine 143, thing are set on ring reservoir outlet 212 pipeline
Material pump 22, circulating pump 24, dnockout pump 12 control switch and are separately provided respectively;Described ceramic membrane mistake
Filter device 23, also includes housing 234, and housing bottom is provided with water inlet 235, enclosure interior water inlet 235
Being connected with cartridge filter 236, described cartridge filter 236 other end connects one group of earthenware 237, pottery
Uniformly have small through hole on porcelain tube 237, and the dialysate of earthenware 237 and housing tip exports 233 phases
Even, the number of described earthenware 237 is 5, a diameter of 3 centimetres, the small through hole of earthenware 237
A diameter of 1 micron;Described filter press 3 includes filter cylinder 33 and filter screen 34, and filter screen 34 is located at filter cylinder
In 33, described filter screen 34 is made up of Double-layer cloth bag.
Workflow of the present invention: after material storage tank 1 squeezes into paper waste, by solvent feed mouth 13 toward thing
Material storage tank 1 adds solvent, stirs simultaneously, starts dnockout pump 12, toward circulating storage tank 21 dnockout, to ball float
Switch 214 floats, and switches off when floating, and stops charging, switch Guan Bi when float switch 214 falls,
Continuing feed supplement, circulating storage tank 21 material is inputted ceramic membrane filter device from discharging opening 212 by product pump 22
23, enter dialysate storage tank 25 from the dialysate of earthenware with dialysate outlet 233 outflow of housing tip,
From earthenware 237, concentrated solution out enters concentrated solution storage tank 261, then will be concentrated by circulating pump 24
Concentrated solution in liquid storage tank 261 squeezes into circulating storage tank 21, and concentrated solution is heavy through being precipitated to circulation storage
Tank 21 bottom, the little concentrated solution of top proportion together with the material of newly entering circulating storage tank 21 by discharging opening
212 enter ceramic membrane filter device 23, circulate and so forth, when the ratio on circulating storage tank discharge nozzle 212
When restatement 215 numerical value reaches 3mg/ml, open the discharge port valve 32 bottom circulating storage tank 21, material
It is discharged into filter press 3, after filter pressing filter pressing, takes filter press apart, take out filter bag and obtain solids lignin, make
Lignin recovery rate in paper waste water reaches 40.8%.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
The preference describing the only present invention in book, the present invention is not limited by above-mentioned preference, is not taking off
On the premise of spirit and scope of the invention, the present invention also can have various changes and modifications, these change and
Improvement both falls within the scope of protection of present invention.
Claims (7)
1. from paper waste, extract a device for lignin, it is characterized by include material storage tank (1),
Circulated filter system (2), filter press (3), described circulated filter system (2) includes circulation storage
Tank (21), product pump (22), ceramic membrane filter device (23), circulating pump (24), dialysate
Storage tank (25), concentrated solution storage tank (26), described material storage tank discharging opening (11) and dnockout pump (12)
Input port connects, and dnockout pump delivery outlet is connected with circulating storage tank charging aperture (211), and described circulating storage tank goes out
Material mouth (212) is connected with product pump (22) input port, product pump (22) delivery outlet and ceramic membrane filter
Device (23) charging aperture (231) connects, and ceramic membrane filter device concentrated solution discharging opening (232) is with dense
Contracting liquid storage tank charging aperture (261) connects, and concentrated solution reservoir outlet (262) is defeated with circulating pump (24)
Entrance connects, and circulating pump (24) delivery outlet is connected with circulating storage tank charging aperture (211), ceramic membrane filter
Device dialysate discharging opening (233) is connected with dialysate reservoir inlet (251);Described circulating storage tank
Bottom is provided with discharge port (213), and described discharge port (213) is with filter press machine inlet (31) even
Connect, the pipeline that described discharge port (213) is connected with filter press machine inlet (31) arranges a valve
(32);
Described material storage tank (1) tank deck is provided with solvent feed mouth (13);
Described material storage tank tank (1) top is provided with agitating device (14), and described agitating device (14) includes
Shaft (141), the stirring paddle (142) of shaft lower end, the electric rotating machine (143) of shaft upper end;
Described circulating storage tank discharging opening (212) is positioned at distance tank top 1/2nd to two/3rds;
Described circulating storage tank (21) high level arranges float switch (214), float switch (214)
Being connected by normally-closed contact and relay, float switch (214) switches off when floating, stops for control
Only charging, switch Guan Bi when float switch (214) falls, for supplementing charging;
On described circulating storage tank discharging opening (212) pipeline, a gravimeter (215) is set.
A kind of device extracting lignin from paper waste the most according to claim 1, its feature
For described agitating device electric rotating machine (143), product pump (22), circulating pump (24), dnockout pump (12)
Control switch to be separately provided respectively.
A kind of device extracting lignin from paper waste the most according to claim 1, its feature
For described ceramic membrane filter device (23), also including housing (234), housing bottom is provided with water inlet (235),
Enclosure interior water inlet (235) is connected with cartridge filter (236), described cartridge filter (236)
The other end connects one group of earthenware (237), and earthenware (237) uniformly has small through hole, and pottery
Pipe (237) exports (233) with the dialysate of housing tip and is connected.
A kind of device extracting lignin from paper waste the most according to claim 4, its feature
Number for described earthenware (237) is 2 to 5.
A kind of device extracting lignin from paper waste the most according to claim 4, its feature
For described earthenware (237) a diameter of 3 to 8 centimetres.
A kind of device extracting lignin from paper waste the most according to claim 4, its feature
For the small through hole of described earthenware (237) a diameter of 1 to 3 micron.
A kind of device extracting lignin from paper waste the most according to claim 1, its feature
Including filter cylinder (33) and filter screen (34) for described filter press (3), filter screen (34) is located at filter cylinder
(33), in, described filter screen (34) is made up of Double-layer cloth bag.
Priority Applications (1)
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CN201610485193.3A CN106008997B (en) | 2016-06-28 | 2016-06-28 | A kind of device extracting lignin from paper waste |
Applications Claiming Priority (1)
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CN201610485193.3A CN106008997B (en) | 2016-06-28 | 2016-06-28 | A kind of device extracting lignin from paper waste |
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CN106008997A true CN106008997A (en) | 2016-10-12 |
CN106008997B CN106008997B (en) | 2018-08-17 |
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CN201610485193.3A Active CN106008997B (en) | 2016-06-28 | 2016-06-28 | A kind of device extracting lignin from paper waste |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109295788A (en) * | 2018-10-17 | 2019-02-01 | 四川北方硝化棉股份有限公司 | A kind of device automatically controlling fibre recovery machine start and stop |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2600430Y (en) * | 2002-11-11 | 2004-01-21 | 泰安碧清污水治理有限责任公司 | High-efficient multifunctional treatment device for black liquor of papermaking |
CN2639293Y (en) * | 2002-11-11 | 2004-09-08 | 泰安碧清污水治理有限责任公司 | High-efficient multifunction papermaking black liquid treatment device |
CN204319926U (en) * | 2014-11-13 | 2015-05-13 | 成都彼斯特生物科技有限公司 | A kind of efficient feed liquid circulation filter |
-
2016
- 2016-06-28 CN CN201610485193.3A patent/CN106008997B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2600430Y (en) * | 2002-11-11 | 2004-01-21 | 泰安碧清污水治理有限责任公司 | High-efficient multifunctional treatment device for black liquor of papermaking |
CN2639293Y (en) * | 2002-11-11 | 2004-09-08 | 泰安碧清污水治理有限责任公司 | High-efficient multifunction papermaking black liquid treatment device |
CN204319926U (en) * | 2014-11-13 | 2015-05-13 | 成都彼斯特生物科技有限公司 | A kind of efficient feed liquid circulation filter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109295788A (en) * | 2018-10-17 | 2019-02-01 | 四川北方硝化棉股份有限公司 | A kind of device automatically controlling fibre recovery machine start and stop |
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Denomination of invention: A device for extracting lignin from papermaking wastewater Effective date of registration: 20220630 Granted publication date: 20180817 Pledgee: Sanming Youxi sub branch of Industrial Bank Co.,Ltd. Pledgor: FUJIAN YOUXI YONGFENGMAO PAPER INDUSTRY CO.,LTD. Registration number: Y2022350000077 |