CN106008997B - A kind of device extracting lignin from paper waste - Google Patents

A kind of device extracting lignin from paper waste Download PDF

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Publication number
CN106008997B
CN106008997B CN201610485193.3A CN201610485193A CN106008997B CN 106008997 B CN106008997 B CN 106008997B CN 201610485193 A CN201610485193 A CN 201610485193A CN 106008997 B CN106008997 B CN 106008997B
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storage tank
circulating
discharge port
pump
filter
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CN106008997A (en
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郑建团
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Fujian Yongfeng Youxi Mao Paper Co Ltd
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Fujian Yongfeng Youxi Mao Paper Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08HDERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00Macromolecular compounds derived from lignin, e.g. tannins, humic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07GCOMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G1/00Lignin; 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 present invention relates to chemical production technical fields,More particularly to a kind of device extracting lignin from paper waste,It is characterized in that including material storage tank 1,Circulated filter system 2,Plate and frame filter press 3,The circulated filter system 2 includes circulating storage tank 21,Product pump 22,Ceramic membrane filter device 23,Circulating pump 24,Dialysis liquid storage tank 25,Concentrate liquid storage tank 26,22 delivery outlet of product pump is connect with 23 feed inlet 231 of ceramic membrane filter device,Ceramic membrane filter device concentrate discharge port 232 is connect with concentrate reservoir inlet 261,Concentrate reservoir outlet 262 is connect with 24 input port of circulating pump,24 delivery outlet of circulating pump is connect with circulating storage tank feed inlet 211,The circulating storage tank bottom is equipped with discharge port 213,The discharge port 213 is connect with plate compression machine inlet 31,The beneficial effects of the invention are as follows:Floor space is small, does not have in batches repeatedly precipitation, production process serialization, with short production cycle, labor intensity is few, and production environment is improved.

Description

A kind of device extracting lignin from paper waste
Technical field
The present invention relates to chemical production technical fields, and in particular to a kind of device extracting lignin from paper waste.
Background technology
Paper industry is raw material using timber, straw, reed, rag etc., and cellulose is isolated through high temperature and pressure boiling, Paper pulp is made.In process of production, the non-cellulose part being finally discharged in raw material becomes black liquid.Containing wooden in black liquor Element, cellulose, volatile organic acids etc. have stink, pollution very strong.Contain the organic matter for being largely difficult to remove in paper waste Matter and inorganic substances, organic substance generally comprise lignin and its derivative, polysaccharide, alcohols, organic acid, pectin, phenols chemical combination Object etc., lignin account for the 1% to 2% of waste liquid total amount, account for the 30% of total solid.
Byproduct of the lignin as paper industry, widely used, lignin can be used as water-soluble lignin by modification This primary industry product of sulfonate are applied to leather retanning agent and dye additive;It can be used for fertilizer in agricultural production;In addition exist Application has also been achieved on agricultural, oil, metallurgy, dyestuff, cement and concrete industry and Macromolecular materials industry.
The installation area for extracting lignin in paper waste at present is big, and repeatedly the precipitation filtering production cycle is long, manpower Input is more, and plate compression device is extracted in waste water and largely used in lignin, due to needing multiple feeding, discharging, produces ring Border is severe, and heavy workload.
Invention content
It is an object of the invention to solve above-mentioned deficiency, to achieve the goals above, the present invention uses following technical scheme:
It is a kind of from paper waste extract lignin device, it is characterized in that including material storage tank 1, circulated filter system 2, Plate and frame filter press 3, the circulated filter system 2 include circulating storage tank 21, product pump 22, ceramic membrane filter device 23, circulating pump 24, dialysis liquid storage tank 25, concentration liquid storage tank 26, the material storage tank discharge port 11 are connect with 12 input port of dnockout pumps, dnockout pumps Delivery outlet is connect with circulating storage tank feed inlet 211, and the circulating storage tank discharge port 212 is connect with 22 input port of product pump, material It pumps 22 delivery outlets to connect with 23 feed inlet 231 of ceramic membrane filter device, ceramic membrane filter device concentrate discharge port 232 and concentration Liquid storage tank feed inlet 261 connects, and concentrate reservoir outlet 262 connect with 24 input port of circulating pump, 24 delivery outlet of circulating pump and Circulating storage tank feed inlet 211 connects, and ceramic membrane filter device dialysate discharge port 233 is connect with dialysate reservoir inlet 251; The circulating storage tank bottom is equipped with discharge port 213, and the discharge port 213 is connect with plate compression machine inlet 31, the discharging A valve 32 is set on the pipelines that mouth 213 is connect with plate compression machine inlet 31;
1 tank deck of the material storage tank is equipped with solvent feed mouth 13;
1 tank deck of the material storage tank is equipped with agitating device 14, and the agitating device 14 includes under agitating shaft 141, agitating shaft The agitating paddle 142 at end, the electric rotating machine 143 of agitating shaft upper end.
The circulating storage tank discharge port 212 is located at tank top 2/3rds to half;
Float switch 214 is arranged in 21 highest liquid level of the circulating storage tank, and float switch 214 passes through normally-closed contact and relay Device connects, and switchs and disconnects when float switch 214 floats, and stops charging for controlling, and switchs and is closed when float switch 214 is fallen, It is fed for supplementing.
A densimeter 215 is set on 212 pipeline of circulating storage tank discharge port.
The optimal conditions of the present invention are the agitating device electric rotating machine 143, product pump 22, circulating pump 24, dnockout pumps 12 Control switch is separately provided respectively.
Further, the ceramic membrane filter device 23, further includes shell 234, and housing bottom is equipped with water inlet 235, shell Internal water inlet 235 is connected with cartridge filter 236, and 236 other end of the cartridge filter connects one group of ceramic tube 237, pottery Small through hole is uniformly provided on porcelain tube 237, and ceramic tube 237 is connected with the dialysate of housing tip outlet 233.
Further, the number of the ceramic tube 237 is 2 to 5.
Further, a diameter of 3 to 8 centimetres of the ceramic tube 237.
Further, a diameter of 1 to 3 micron of the small through hole of the ceramic tube 237.
Further, the plate and frame filter press 3 includes filter cylinder 33 and strainer 34, and strainer 34 is located in filter cylinder 33, the filter Net 34 is made of Double-layer cloth bag.
Operation principle of the present invention:After material storage tank 1 squeezes into paper waste, added toward material storage tank 1 by solvent feed mouth 13 Enter solvent, stir simultaneously, start dnockout pumps 12, toward 21 dnockout of circulating storage tank, until float switch 214 floats, is switched when floating disconnected It opens, stops charging, switch and be closed when float switch 214 is fallen, continue feed supplement, 21 material of circulating storage tank is from discharge port 212 by object 22 input ceramic membrane filter device 23 of material pump, enters from the dialysate of 233 outflow of the dialysate of ceramic tube and housing tip outlet Dialysis liquid storage tank 25, the concentrate from ceramic tube 237 out enter concentration liquid storage tank 261, then will be concentrated by circulating pump 24 Concentrate in liquid storage tank 261 squeezes into circulating storage tank 21, and concentrate is heavy by being precipitated to 21 lower part of circulating storage tank, top The small concentrate of proportion and the new material into circulating storage tank 21 enter ceramic membrane filter device 23 by discharge port 212 together, such as This reciprocation cycle opens 21 bottom of circulating storage tank when 215 numerical value of densimeter on circulating storage tank discharge nozzle 212 reaches setting value The discharge port valve 32 in portion, material are discharged into plate and frame filter press 3, pressure filter are dismantled after press filtration, it is wooden that taking-up filter bag obtains solids Element.
Compared with prior art, the beneficial effects of the invention are as follows:Floor space is small, does not have in batches repeatedly precipitation, produced Journey serialization, with short production cycle, labor intensity is few, and production environment is improved.
Description of the drawings
Fig. 1 is a kind of apparatus structure schematic diagram for extracting lignin from paper waste of the present invention.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose and effectiveness of the invention easy to understand, in conjunction with specific The present invention is further elaborated in embodiment and attached drawing.
Embodiment one:
It is a kind of from paper waste extract lignin device, it is characterized in that including material storage tank 1, circulated filter system 2, Plate and frame filter press 3, the circulated filter system 2 include circulating storage tank 21, product pump 22, ceramic membrane filter device 23, circulating pump 24, dialysis liquid storage tank 25, concentration liquid storage tank 26, the material storage tank discharge port 11 are connect with 12 input port of dnockout pumps, dnockout pumps Delivery outlet is connect with circulating storage tank feed inlet 211, and the circulating storage tank discharge port 212 is connect with 22 input port of product pump, material It pumps 22 delivery outlets to connect with 23 feed inlet 231 of ceramic membrane filter device, ceramic membrane filter device concentrate discharge port 232 and concentration Liquid storage tank feed inlet 261 connects, and concentrate reservoir outlet 262 connect with 24 input port of circulating pump, 24 delivery outlet of circulating pump and Circulating storage tank feed inlet 211 connects, and ceramic membrane filter device dialysate discharge port 233 is connect with dialysate reservoir inlet 251; The circulating storage tank bottom is equipped with discharge port 213, and the discharge port 213 is connect with plate compression machine inlet 31, the discharging A valve 32 is set on the pipelines that mouth 213 is connect with plate compression machine inlet 31;1 tank deck of the material storage tank be equipped with solvent into Material mouth 13;The top of material storage tank tank 1 is equipped with agitating device 14, and the agitating device 14 includes that agitating shaft 141, agitating shaft lower end are stirred Mix paddle 142, agitating shaft upper end electric rotating machine 143.The circulating storage tank discharge port 212 is located at apart from tank top 2/3rds Place;Float switch 214 is arranged in 21 highest liquid level of the circulating storage tank, and float switch 214 is connected by normally-closed contact and relay It connects, switchs and disconnect when float switch 214 floats, stop charging for controlling, switch and be closed when float switch 214 is fallen, be used for Supplement charging, is arranged a densimeter 215 on 212 pipeline of circulating storage tank discharge port, the agitating device electric rotating machine 143, Product pump 22, circulating pump 24, the control switch of dnockout pumps 12 are separately provided respectively;The ceramic membrane filter device 23, is also wrapped Shell 234 is included, housing bottom is equipped with water inlet 235, and enclosure interior water inlet 235 is connected with cartridge filter 236, the security personnel 236 other end of filter connects one group of ceramic tube 237, and small through hole, and ceramic tube 237 and shell are uniformly provided on ceramic tube 237 The dialysate outlet 233 on top is connected, and the number of the ceramic tube 237 is 2, and a diameter of 8 centimetres, the small of ceramic tube 237 is led to A diameter of 3 microns of hole;The plate and frame filter press 3 includes filter cylinder 33 and strainer 34, and strainer 34 is located in filter cylinder 33, the filter Net 34 is made of Double-layer cloth bag.
Workflow of the present invention:After material storage tank 1 squeezes into paper waste, added toward material storage tank 1 by solvent feed mouth 13 Enter solvent, stir simultaneously, start dnockout pumps 12, toward 21 dnockout of circulating storage tank, until float switch 214 floats, is switched when floating disconnected It opens, stops charging, switch and be closed when float switch 214 is fallen, continue feed supplement, 21 material of circulating storage tank is from discharge port 212 by object 22 input ceramic membrane filter device 23 of material pump, enters from the dialysate of 233 outflow of the dialysate of ceramic tube and housing tip outlet Dialysis liquid storage tank 25, the concentrate from ceramic tube 237 out enter concentration liquid storage tank 261, then will be concentrated by circulating pump 24 Concentrate in liquid storage tank 261 squeezes into circulating storage tank 21, and concentrate is heavy by being precipitated to 21 lower part of circulating storage tank, top The small concentrate of proportion and the new material into circulating storage tank 21 enter ceramic membrane filter device 23 by discharge port 212 together, such as This reciprocation cycle opens circulating storage tank 21 when 215 numerical value of densimeter on circulating storage tank discharge nozzle 212 reaches 3.5mg/ml The discharge port valve 32 of bottom, material are discharged into plate and frame filter press 3, and pressure filter is dismantled after press filtration, take out filter bag and obtain solids wood Quality, lignin recovery rate in paper waste is up to 42.4%.
Embodiment two:
It is a kind of from paper waste extract lignin device, it is characterized in that including material storage tank 1, circulated filter system 2, Plate and frame filter press 3, the circulated filter system 2 include circulating storage tank 21, product pump 22, ceramic membrane filter device 23, circulating pump 24, dialysis liquid storage tank 25, concentration liquid storage tank 26, the material storage tank discharge port 11 are connect with 12 input port of dnockout pumps, dnockout pumps Delivery outlet is connect with circulating storage tank feed inlet 211, and the circulating storage tank discharge port 212 is connect with 22 input port of product pump, material It pumps 22 delivery outlets to connect with 23 feed inlet 231 of ceramic membrane filter device, ceramic membrane filter device concentrate discharge port 232 and concentration Liquid storage tank feed inlet 261 connects, and concentrate reservoir outlet 262 connect with 24 input port of circulating pump, 24 delivery outlet of circulating pump and Circulating storage tank feed inlet 211 connects, and ceramic membrane filter device dialysate discharge port 233 is connect with dialysate reservoir inlet 251; The circulating storage tank bottom is equipped with discharge port 213, and the discharge port 213 is connect with plate compression machine inlet 31, the discharging A valve 32 is set on the pipelines that mouth 213 is connect with plate compression machine inlet 31;1 tank deck of the material storage tank be equipped with solvent into Material mouth 13;The top of material storage tank tank 1 is equipped with agitating device 14, and the agitating device 14 includes that agitating shaft 141, agitating shaft lower end are stirred Mix paddle 142, agitating shaft upper end electric rotating machine 143.The circulating storage tank discharge port 212 is located at apart from tank top half Place;Float switch 214 is arranged in 21 highest liquid level of the circulating storage tank, and float switch 214 is connected by normally-closed contact and relay It connects, switchs and disconnect when float switch 214 floats, stop charging for controlling, switch and be closed when float switch 214 is fallen, be used for Supplement charging, is arranged a densimeter 215 on 212 pipeline of circulating storage tank discharge port, the agitating device electric rotating machine 143, Product pump 22, circulating pump 24, the control switch of dnockout pumps 12 are separately provided respectively;The ceramic membrane filter device 23, is also wrapped Shell 234 is included, housing bottom is equipped with water inlet 235, and enclosure interior water inlet 235 is connected with cartridge filter 236, the security personnel 236 other end of filter connects one group of ceramic tube 237, and small through hole, and ceramic tube 237 and shell are uniformly provided on ceramic tube 237 The dialysate outlet 233 on top is connected, and the number of the ceramic tube 237 is 5, and a diameter of 3 centimetres, the small of ceramic tube 237 is led to A diameter of 1 micron of hole;The plate and frame filter press 3 includes filter cylinder 33 and strainer 34, and strainer 34 is located in filter cylinder 33, the filter Net 34 is made of Double-layer cloth bag.
Workflow of the present invention:After material storage tank 1 squeezes into paper waste, added toward material storage tank 1 by solvent feed mouth 13 Enter solvent, stir simultaneously, start dnockout pumps 12, toward 21 dnockout of circulating storage tank, until float switch 214 floats, is switched when floating disconnected It opens, stops charging, switch and be closed when float switch 214 is fallen, continue feed supplement, 21 material of circulating storage tank is from discharge port 212 by object 22 input ceramic membrane filter device 23 of material pump, enters from the dialysate of 233 outflow of the dialysate of ceramic tube and housing tip outlet Dialysis liquid storage tank 25, the concentrate from ceramic tube 237 out enter concentration liquid storage tank 261, then will be concentrated by circulating pump 24 Concentrate in liquid storage tank 261 squeezes into circulating storage tank 21, and concentrate is heavy by being precipitated to 21 lower part of circulating storage tank, top The small concentrate of proportion and the new material into circulating storage tank 21 enter ceramic membrane filter device 23 by discharge port 212 together, such as This reciprocation cycle opens 21 bottom of circulating storage tank when 215 numerical value of densimeter on circulating storage tank discharge nozzle 212 reaches 3mg/ml The discharge port valve 32 in portion, material are discharged into plate and frame filter press 3, and pressure filter is dismantled after press filtration press filtration, take out filter bag and obtain solids Lignin, lignin recovery rate in paper waste is up to 40.8%.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry For personnel it should be appreciated that the present invention is not limited to the above embodiments, the description in above embodiments and description is only the present invention Preference, the present invention do not limited by above-mentioned preference, without departing from the spirit and scope of the present invention, the present invention Can also there are various changes and modifications, these changes and improvements are both fallen in the scope of protection of present invention.

Claims (7)

1. a kind of device extracting lignin from paper waste, it is characterized in that including material storage tank(1), circulated filter system (2), plate and frame filter press(3), the circulated filter system(2)Including circulating storage tank(21), product pump(22), ceramic membrane filter dress It sets(23), circulating pump(24), dialysis liquid storage tank(25), concentration liquid storage tank(26), the material storage tank discharge port(11)With dnockout Pump(12)Input port connects, dnockout pumps delivery outlet and circulating storage tank feed inlet(211)Connection, the circulating storage tank discharge port (212)With product pump(22)Input port connects, product pump(22)Delivery outlet and ceramic membrane filter device(23)Feed inlet(231)Even It connects, ceramic membrane filter device concentrate discharge port(232)With concentrate reservoir inlet(261)Connection, concentration liquid storage tank discharging Mouthful(262)With circulating pump(24)Input port connects, circulating pump(24)Delivery outlet and circulating storage tank feed inlet(211)Connection, ceramics Film filter dialysate discharge port(233)With dialysate reservoir inlet(251)Connection;The circulating storage tank bottom is equipped with and unloads Material mouth(213), the discharge port(213)With plate compression machine inlet(31)Connection, the discharge port(213)With plate compression Machine inlet(31)One valve is set on the pipeline of connection(32);
The material storage tank(1)Tank deck is equipped with solvent feed mouth(13);
The material storage tank(1)Tank deck is equipped with agitating device(14), the agitating device(14)Including agitating shaft(141), stirring The agitating paddle of axis lower end(142), agitating shaft upper end electric rotating machine(143);
The circulating storage tank discharge port(212)Positioned at tank top 2/3rds to half;
The circulating storage tank(21)Float switch is arranged in highest liquid level(214), float switch(214)By normally-closed contact and after Electric appliance connects, float switch(214)It switchs and disconnects when floating, stop charging, float switch for controlling(214)It is switched when falling It is closed, for supplementing charging;
The circulating storage tank discharge port(212)One densimeter is set on pipeline(215).
2. a kind of device extracting lignin from paper waste according to claim 1, it is characterized in that the stirring fills Set electric rotating machine(143), product pump(22), circulating pump(24), dnockout pumps(12)Control switch is separately provided respectively.
3. a kind of device extracting lignin from paper waste according to claim 1, it is characterized in that the ceramic membrane Filter device(23), further include shell(234), housing bottom is equipped with water inlet(235), enclosure interior water inlet(235)With guarantor Pacify filter(236)It is connected, the cartridge filter(236)The other end connects one group of ceramic tube(237), ceramic tube(237)On Uniformly it is provided with small through hole, and ceramic tube(237)It is exported with the dialysate of housing tip(233)It is connected.
4. a kind of device extracting lignin from paper waste according to claim 1 or 3, it is characterized in that the ceramics Pipe(237)Number be 2 to 5.
5. a kind of device extracting lignin from paper waste according to claim 4, it is characterized in that the ceramic tube (237)A diameter of 3 to 8 centimetres.
6. a kind of device extracting lignin from paper waste according to claim 4, it is characterized in that the ceramic tube (237)A diameter of 1 to 3 micron of small through hole.
7. a kind of device extracting lignin from paper waste according to claim 1, it is characterized in that the sheet frame pressure Filter(3)Including filter cylinder(33)And strainer(34), strainer(34)It is located at filter cylinder(33)Interior, described strainer(34)By Double-layer cloth bag It constitutes.
CN201610485193.3A 2016-06-28 2016-06-28 A kind of device extracting lignin from paper waste Active CN106008997B (en)

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Application Number Priority Date Filing Date Title
CN201610485193.3A CN106008997B (en) 2016-06-28 2016-06-28 A kind of device extracting lignin from paper waste

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Application Number Priority Date Filing Date Title
CN201610485193.3A CN106008997B (en) 2016-06-28 2016-06-28 A kind of device extracting lignin from paper waste

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CN106008997B true CN106008997B (en) 2018-08-17

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* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

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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.

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