CN103469697A - Production method of paper sludge paperboard - Google Patents
Production method of paper sludge paperboard Download PDFInfo
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- CN103469697A CN103469697A CN2012101840337A CN201210184033A CN103469697A CN 103469697 A CN103469697 A CN 103469697A CN 2012101840337 A CN2012101840337 A CN 2012101840337A CN 201210184033 A CN201210184033 A CN 201210184033A CN 103469697 A CN103469697 A CN 103469697A
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Abstract
The invention discloses a production method of a paper sludge paperboard, which belongs to the technical field of paper making and environment protection. The production method is characterized in that a sludge paperboard is produced by using paper sludge, textile fiber waste, poly aluminum oxide and poly allylamine as raw materials and using a sizing agent uniform distributor, a medium-density board machine, a pressure drying machine and the like as devices, and the sizing agent uniform distributor is used as a main device; the principle of the production method is that sludge is dispersed and distributed on a net surface so as to form uniform wet board elements, multi-layer wet mixing can be carried out, the wet board elements can be sent to the medium-density board machine for forming and can be then sent to the pressure drying machine for being pressurized and heated, all water in a sludge board can be extruded, the sludge board can be dried until forming, and a finished product can be obtained after the sludge board is cut. The production method disclosed by the invention has the advantages that paper sludge can be subjected to harmless treatment, waste fiber generated in a spinning mill can also be treated, waste can be changed into wealth, and a produced medium-density board is light in mass, good in impact resistance and good in noise absorption and heat insulation effects.
Description
Technical field:
The invention belongs to the papermaking environmental technology field, relate in particular to a kind of method of paper mill sludge as raw material production mud cardboard of take.
Background technology:
The cardboard that the paper mill sludge of take is raw material production claims the mud cardboard, the quality of mud cardboard and in the market wooden, the straw pulp medium-density plate is close, can be used for all kinds of case and bag inner panels, clothing packing box, handicraft packing box, ceramic packing, the front cover of decorating inner panel, all kinds of Booksewing threads and external packing etc.To produce a large amount of mud in the process of papermaking, mainly contain: primary sludge, the sediment of discharging from first sedimentation basin, be mainly derived from run, drip, leak in production process, road cleaning, Xi Caoshui; Secondary sludge, the flock that it mainly breeds in aeration tank contains various aerobic microbiological colony and forming through the mud of aerobic sigestion or anaerobic digestion; Advanced treatment of wastewater mud, these sludge components complexity, wherein existing fiber, contain again a lot of fillers, and larger particles is also arranged, the simplest processing mode of these mud be by dehydration equipment, the moisture content of mud is reduced to certain standard or naturally dries after, deliver to garbage disposal plant and carry out landfill, the method is time-consuming takes a lot of work, and wastes a large amount of human and material resources, need take a large amount of soils, also may pollute in the process of transportation plant area and road.If the paper mill sludge of take is produced the mud cardboard as raw material, can solve like this pollution problem of paper mill sludge, can produce the cardboard that economic worth is higher again, both produced certain economic benefit, make again social benefit maximize.The present invention be take paper mill sludge as main raw material, with waste textile fibre material, polymer alumina, polypropylene amines etc. are auxiliary material, with the slurry uniform device, the medium-density plate machine, pressure dryers etc. are produced the mud cardboard for equipment, wherein the slurry uniform device is capital equipment, by dewatering system, in conjunction with taking off paper system, the woollen blanket scavenger system forms, its principle is that mud is divided and scatters the slurry uniform wet plate of formation unit on wire side, and multilayer is wet closes, then send into the moulding of medium-density plate machine, then enter pressure dryer pressurized, heated, extrude all moisture in the mud plate, dry to moulding.The advantage of this production method is: paper mill sludge can be carried out to harmless treatment; also can process the useless fiber that results from textile mills; turn waste into wealth; prepared medium-density plate light weight, good impact resistance, sound absorption and good heat-insulation effect; both protect ecological environment, solved again the pollution problem of paper industry and textile industry.
Summary of the invention:
In order to solve the pollution that paper mill sludge produces and to carry out harmless treatment, produce the second best in quality medium-density plate, the present invention be take paper mill sludge as main raw material, by the blending to paper mill sludge and waste textile fibre material, dehydration, slurry is uniform, the moulding of plate, dry, the operations such as packing make medium-density plate, the method does not need to increase new equipment, paper mill sludge can be carried out to harmless treatment, pollution abatement, make medium-density plate, the raw material proportioning that the present invention uses is: paper mill sludge 77%-79%, waste textile fibre material 13%-15%, polymer alumina 4%, polypropylene amine 4%.
The present invention can be achieved through the following technical solutions:
A kind of production method of papermaking sludge paperboard is characterized in that consisting of following steps:
(1) paper mill sludge of formula ratio, polymer alumina, polypropylene amine first after pulverizing, pulverizer are sent into to the stirring blending of mud blending pond together with waste textile fibre material even, then the blending material in mud blending pond is sent into to the sludge dewatering device and slough part moisture, keep moisture rule between 71%-73%.
(2) the blending material after dehydration is sent into to the slurry uniform device, the slurry uniform device is by the blending material dispersion cloth slurry uniform wet plate of formation unit on wire side, and multilayer is wet closes, then will be after the slurry uniform device be processed the wet plywood of multilayer send into the medium-density plate machine and be made to template, now moisture rule is about 68%.
(3) profiled sheeting is sent into to the pressure dryer, sent into steam simultaneously, pressurized, heated, its pressure should be controlled at 30-40 kilogram/square centimeter, and its temperature should be controlled between 90 ℃-95 ℃, extrudes all moisture in the mud plate, dries to moulding.
(4) papermaking sludge paperboard after drying forming is sent into to packing machine, be packaged to be the finished product papermaking sludge paperboard after cutting into required size.
Described its pressure of pressure dryer of step (3) should be controlled at 35 kilograms/square centimeter, and temperature should be controlled at 92.5 ℃.
The invention has the beneficial effects as follows: a kind of production method of take paper mill sludge and waste textile fibre material density paperboard in raw material is produced is provided, the method does not need to increase new equipment, paper mill sludge can be carried out to harmless treatment, pollution abatement, make medium-density plate, prepared cardboard light weight, good impact resistance, sound absorption and good heat-insulation effect.
The specific embodiment
Embodiment 1:
By accounting for paper mill sludge that total amount is 77%, account for polymer alumina that total amount is 4%, account for polypropylene amine that total amount is 4% first through after pulverizer is pulverized with account for the waste textile fibre material that total amount is 15% together with send into mud blending pond to stir blending even, then the blending material in mud blending pond is sent into to the sludge dewatering device and slough part moisture, keep moisture rule 71%; Blending material after dehydration is sent into to the slurry uniform device, the slurry uniform device is by the blending material dispersion cloth slurry uniform wet plate of formation unit on wire side, and multilayer is wet closes, then will be after the slurry uniform device be processed the wet plywood of multilayer send into the medium-density plate machine and be made to template, now moisture rule is about 68%; Profiled sheeting is sent into to the pressure dryer, send into steam simultaneously, pressurized, heated, its pressure should be controlled at 30 kilograms/square centimeter, and its temperature should be controlled at 95 ℃, extrudes all moisture in the mud plate, dries to moulding; Papermaking sludge paperboard after drying forming is sent into to packing machine, be packaged to be the finished product papermaking sludge paperboard after cutting into required size.
Embodiment 2:
By accounting for paper mill sludge that total amount is 78%, account for polymer alumina that total amount is 4%, account for polypropylene amine that total amount is 4% first through after pulverizer is pulverized with account for the waste textile fibre material that total amount is 14% together with send into mud blending pond to stir blending even, then the blending material in mud blending pond is sent into to the sludge dewatering device and slough part moisture, keep moisture rule 72%; Blending material after dehydration is sent into to the slurry uniform device, the slurry uniform device is by the blending material dispersion cloth slurry uniform wet plate of formation unit on wire side, and multilayer is wet closes, then will be after the slurry uniform device be processed the wet plywood of multilayer send into the medium-density plate machine and be made to template, now moisture rule is about 68%; Profiled sheeting is sent into to the pressure dryer, send into steam simultaneously, pressurized, heated, its pressure should be controlled at 35 kilograms/square centimeter, and its temperature should be controlled at 92.5 ℃, extrudes all moisture in the mud plate, dries to moulding; Papermaking sludge paperboard after drying forming is sent into to packing machine, be packaged to be the finished product papermaking sludge paperboard after cutting into required size.
Embodiment 3:
By accounting for paper mill sludge that total amount is 79%, account for polymer alumina that total amount is 4%, account for polypropylene amine that total amount is 4% first through after pulverizer is pulverized with account for the waste textile fibre material that total amount is 13% together with send into mud blending pond to stir blending even, then the blending material in mud blending pond is sent into to the sludge dewatering device and slough part moisture, keep moisture rule 73%; Blending material after dehydration is sent into to the slurry uniform device, the slurry uniform device is by the blending material dispersion cloth slurry uniform wet plate of formation unit on wire side, and multilayer is wet closes, then will be after the slurry uniform device be processed the wet plywood of multilayer send into the medium-density plate machine and be made to template, now moisture rule is about 68%; Profiled sheeting is sent into to the pressure dryer, send into steam simultaneously, pressurized, heated, its pressure should be controlled at 40 kilograms/square centimeter, and its temperature should be controlled at 95 ℃, extrudes all moisture in the mud plate, dries to moulding; Papermaking sludge paperboard after drying forming is sent into to packing machine, be packaged to be the finished product papermaking sludge paperboard after cutting into required size.
Claims (3)
1. the production method of a papermaking sludge paperboard, its raw materials by weight is calculated: comprise paper mill sludge 77%-79%, waste textile fibre material 13%-15%, polymer alumina 4%, polypropylene amine 4%; It is characterized in that: it is even that step (1) is first sent the paper mill sludge of formula ratio, polymer alumina, polypropylene amine into the stirring blending of mud blending pond after pulverizer is pulverized together with waste textile fibre material, then the blending material in mud blending pond is sent into to the sludge dewatering device and slough part moisture, keep moisture rule between 71%-73%; Step (2) is sent the blending material after dehydration into the slurry uniform device, the slurry uniform device is by the blending material dispersion cloth slurry uniform wet plate of formation unit on wire side, and multilayer is wet closes, then will be after the slurry uniform device be processed the wet plywood of multilayer send into the medium-density plate machine and be made to template, now moisture rule is about 68%; Step (3) is sent profiled sheeting into the pressure dryer, sends into steam simultaneously, pressurized, heated, and its pressure should be controlled at 30-40 kilogram/square centimeter, and its temperature should be controlled between 90 ℃-95 ℃, extrudes all moisture in the mud plate, dries to moulding; Step (4) is sent the papermaking sludge paperboard after drying forming into packing machine, is packaged to be the finished product papermaking sludge paperboard after cutting into required size.
2. the production method of a kind of papermaking sludge paperboard according to claim 1, the feature of its step (3) is: described its pressure of pressure dryer should be controlled at 35 kilograms/square centimeter.
3. the production method of a kind of papermaking sludge paperboard according to claim 1, the feature of its step (3) is: described its temperature of pressure dryer should be controlled at 92.5 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101840337A CN103469697A (en) | 2012-06-06 | 2012-06-06 | Production method of paper sludge paperboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101840337A CN103469697A (en) | 2012-06-06 | 2012-06-06 | Production method of paper sludge paperboard |
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| CN103469697A true CN103469697A (en) | 2013-12-25 |
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| CN2012101840337A Pending CN103469697A (en) | 2012-06-06 | 2012-06-06 | Production method of paper sludge paperboard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186606A (en) * | 2016-08-03 | 2016-12-07 | 联盛纸业（龙海）有限公司 | A kind of coating coated duplex board with grey back flotation filter pressing sludge modification and reuse production method |
| CN112359651A (en) * | 2020-11-10 | 2021-02-12 | 徐州亮华包装制品有限公司 | Moisture-proof flame-retardant packaging paper and processing technology thereof |
| WO2023236185A1 (en) * | 2022-06-10 | 2023-12-14 | Kemira Oyj | Method for treating paper or board mill sludge for reuse |
-
2012
- 2012-06-06 CN CN2012101840337A patent/CN103469697A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186606A (en) * | 2016-08-03 | 2016-12-07 | 联盛纸业（龙海）有限公司 | A kind of coating coated duplex board with grey back flotation filter pressing sludge modification and reuse production method |
| CN106186606B (en) * | 2016-08-03 | 2017-04-12 | 联盛纸业（龙海）有限公司 | Modification and reuse production method for floatation filter-pressed sludge of white manila board |
| CN112359651A (en) * | 2020-11-10 | 2021-02-12 | 徐州亮华包装制品有限公司 | Moisture-proof flame-retardant packaging paper and processing technology thereof |
| WO2023236185A1 (en) * | 2022-06-10 | 2023-12-14 | Kemira Oyj | Method for treating paper or board mill sludge for reuse |
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Application publication date: 20131225 |