CN113737554A - Production system for reducing wood pulp fine dried noodle volume boxboard paper - Google Patents
Production system for reducing wood pulp fine dried noodle volume boxboard paper Download PDFInfo
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- CN113737554A CN113737554A CN202111110144.9A CN202111110144A CN113737554A CN 113737554 A CN113737554 A CN 113737554A CN 202111110144 A CN202111110144 A CN 202111110144A CN 113737554 A CN113737554 A CN 113737554A
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- 239000000123 paper Substances 0.000 title claims abstract description 45
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 33
- 241000274582 Pycnanthus angolensis Species 0.000 title claims abstract description 19
- 239000011087 paperboard Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 235000012149 noodles Nutrition 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 69
- 239000002699 waste material Substances 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 30
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 238000012216 screening Methods 0.000 claims abstract description 14
- 238000005188 flotation Methods 0.000 claims abstract description 10
- 239000011111 cardboard Substances 0.000 abstract description 20
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000004537 pulping Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/04—Flat screens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
The invention belongs to the technical field of papermaking equipment, and particularly discloses a production system for reducing wood pulp fine dried noodle amount of boxboard paper, which sequentially comprises a pulping machine, a desander, a screening machine, size mixing equipment, papermaking equipment and boxboard paper making equipment, wherein the screening machine comprises a box body, a first partition plate and a second partition plate are arranged in the box body, and the box body is sequentially divided into a long fiber area, an air flotation area and a short fiber area by the first partition plate and the second partition plate; a slurry inlet is arranged at the lower end of the air floating area on the box body; the upper end of the air floatation area is provided with a reciprocating filtering mechanism which is used for filtering the fibers after air floatation; the lower end of the reciprocating filtering mechanism on the first partition plate is provided with a pulp outlet, the pulp outlet is provided with a stop door, and the upper end communicating port of the reciprocating filtering mechanism on the second partition plate. Compared with the prior art, the system can filter and screen the long fibers and the short fibers in the waste pulp, realizes the purpose that the long fibers in the waste pulp are screened in the preparation of the cardboard paper, and can ensure the quality of the cardboard paper after the wood pulp surface hanging amount is reduced.
Description
Technical Field
The invention belongs to the technical field of papermaking equipment, and particularly discloses a production system for reducing the amount of wood pulp fine dried noodles in boxboard paper.
Background
Environmental protection and energy conservation are inevitable topics of enterprise development, and are issues that enterprises have to pay attention to long-term sustainable development, especially for paper-making enterprises. In order to meet the call of energy conservation and emission reduction of corresponding countries, protect the ecological environment and realize sustainable development, waste paper pulp is adopted as a product raw material as far as possible in the papermaking process, so that the enterprise cost can be obviously reduced, and the damage to the environment is reduced.
When present paper making enterprise produces boxboard, in order to guarantee product quality, used whole or most wood pulp raw materials in the face thick liquid of vermicelli, but the wood pulp cost is very high, needs more felling trees moreover, leads to very not environmental protection. Due to the need of saving the use amount of the wood pulp, the specific gravity (for example, reduced to 8%) of the surface layer of the cardboard paper in the cardboard paper can be reduced, and the use amount of the wood pulp can be reduced and the use amount of the waste pulp can be increased. However, after the surface hanging amount of the paper surface layer of the carton board is reduced, the produced long fibers in the wood pulp are reduced, the supported long fibers in the paper become less, and the phenomenon of thread bursting occurs when the finished paper is made into the carton, so that the product can not meet the requirements of customers.
Disclosure of Invention
The invention aims to provide a production system for reducing the wood pulp fine dried noodle quantity of cardboard paper, and aims to solve the problem that the cardboard paper cannot meet the use requirement after the wood pulp consumption is reduced.
In order to achieve the purpose, the basic scheme of the invention is as follows: a production system for reducing the wood pulp fine dried noodle volume of boxboard paper sequentially comprises a pulping machine, a desander, a screening machine, size mixing equipment, papermaking equipment and boxboard paper making equipment, wherein the screening machine comprises a box body, a first partition plate and a second partition plate are arranged in the box body, and the box body is sequentially divided into a long fiber area, an air flotation area and a short fiber area by the first partition plate and the second partition plate; a slurry inlet is formed in the lower end of the air floatation area on the box body, and the air floatation area carries out air floatation treatment on fibers in the waste slurry; the upper end of the air floatation area is provided with a reciprocating filtering mechanism which is used for filtering the fibers subjected to air floatation; the lower end of the reciprocating filtering mechanism on the first partition plate is provided with a pulp outlet, the pulp outlet is provided with a stop door, and the upper end communicating port of the reciprocating filtering mechanism on the second partition plate.
The working principle of the basic scheme is as follows: when the system is used, the manufactured waste pulp can be treated through the system, long fibers in the waste pulp are separated and utilized in the production of the cardboard paper, the production of the cardboard paper is reduced, and meanwhile, the quality of the cardboard paper can be guaranteed to meet the use requirement. When the system is used, the waste pulp passes through the pulping machine, the desander, the screening machine, the pulp mixing equipment, the papermaking equipment and the boxboard making equipment in sequence, if partial wood pulp needs to be mixed, the desanded wood pulp can be mixed with the waste pulp screened by the screening machine in the pulp mixing equipment, and the boxboard is prepared.
When the screening machine is used for screening waste pulp, the waste pulp is introduced into an air floatation area of the box body through the pulp inlet, fibers in the waste pulp float upwards under the air floatation action of the waste pulp, the floating fibers are filtered by the reciprocating filtering mechanism, and short fibers pass through the reciprocating filtering mechanism and are positioned at the upper end of the reciprocating filtering mechanism and then enter the short fiber area through the communication port. And the long fiber which does not pass through the reciprocating filtering mechanism is positioned at the lower end of the reciprocating filtering mechanism, the stop door can be opened to enable the waste pulp with the long fiber to enter the long fiber area, and the waste pulp collected in the long fiber area can be used for being mixed with wood pulp to prepare the cardboard paper.
The beneficial effect of this basic scheme lies in:
1. after the wood pulp surface hanging amount is reduced, the long fibers screened from the waste pulp reduce the fiber loss rate, increase the supported number of the medium fibers of the paper surface layer, greatly improve the quality of finished paper, avoid the phenomenon of line explosion when the finished paper is made into a carton, and improve the competitiveness of products in the market.
2. Adopt reciprocating filter mechanism to realize the reverse filtration at the reciprocating motion in-process in this scheme, filter out the short-staple reversal, realize the reservation of long fiber in the waste pulp to the quality of utilizing waste pulp to prepare cardboard paper as the raw materials has been guaranteed.
Compared with the prior art, the system can filter and screen the long fibers and the short fibers in the waste pulp, realizes the purpose that the long fibers in the waste pulp are screened in the preparation of the cardboard paper, and can ensure the quality of the cardboard paper after the wood pulp surface hanging amount is reduced.
Furthermore, the box body is provided with a waste pulp outlet at the lower end of the short fiber area, and the box body is provided with a recycled pulp outlet at the lower end of the long fiber area.
The waste pulp containing long fibers and short fibers can be collected and treated conveniently.
Further, the air flotation zone is provided with a buffer cavity, the slurry inlet is communicated with the buffer cavity, and an outlet positioned in the air flotation zone is arranged on the buffer cavity.
The buffer cavity can facilitate mixing of treatment components in the waste slurry and avoid impact of the waste slurry directly entering the air flotation zone on the waste slurry in the air flotation zone.
Further, reciprocal filter mechanism includes the filter, all be equipped with the spout on first baffle and the second baffle, the filter both ends slide to set up in the spout, air supporting district upper end is equipped with the reciprocating mechanism who drives filter reciprocating motion.
Reciprocating mechanism and the filter that slides from top to bottom mutually support, realize the continuous reciprocating motion of filter, when preventing that the fibre from blockking up the filtration pore, can filter out the short-staple again.
Further, reciprocating mechanism includes the cylinder, the cylinder is fixed in the upper end of box, the piston rod of cylinder is down and fixed with the filter.
The reciprocating motion of the cylinder can be controlled to be stable at low speed, so that the filter plate can move back and forth stably at low speed, and short fibers can be filtered out while the fibers float upwards.
Further, a plurality of telescopic links have been connected between box and the filter, and the interval distance is the same between the adjacent telescopic link.
The telescopic link further keeps the stationarity of filter reciprocating motion.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a system for reducing the amount of wood pulp linerboard produced according to the present invention;
figure 2 is a cross-sectional view of the mechanism of the screening machine.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a box body 10, a box cover 11, a first partition plate 12, a second partition plate 13, a long fiber area 20, a recycled pulp opening 21, a pulp outlet 22, a stop door 23, an air floating area 30, a pulp inlet 31, a buffer cavity 3232, an outlet 33, a short fiber area 40, a waste pulp outlet 41, a communication opening 42, a filter plate 50, a chute 51, a cylinder 52 and an expansion rod 53.
The utility model provides a reduce production system of wood pulp vermicelli batch cardboard paper, includes pulper, desander, sieve separator, size mixing equipment, papermaking equipment and system boxboard paper equipment in proper order, when this system used, with the waste pulp loop through pulper, desander, sieve separator, size mixing equipment, papermaking equipment and system boxboard paper equipment, if need sneak into partial wood pulp, can mix the wood pulp after the degritting with the waste pulp that the sieve separator was selected in the size mixing equipment, make the boxboard paper like the production flow that fig. 1 shows.
As shown in fig. 1 and 2, the screening machine includes a box 10, a box cover 11 is disposed on the box 10, a first partition 12 and a second partition 13 are disposed in the box 10, and the box 10 is divided into a long fiber area 20, an air flotation area 30 and a short fiber area 40 by the first partition 12 and the second partition 13 in sequence; the box body 10 is provided with a slurry inlet 31 at the lower end of the air floating zone 30, the air floating zone 30 is provided with a buffer cavity 32, the slurry inlet 31 is communicated with the buffer cavity 32, and the buffer cavity 32 is provided with an outlet 33 positioned in the air floating zone 30. The box body 10 is provided with a waste pulp outlet 41 at the lower end of the short fiber area 40, and the box body 10 is provided with a recycled pulp outlet 21 at the lower end of the long fiber area 20.
The air-floating area 30 carries out air-floating treatment on the fibers in the waste slurry, and the upper end of the air-floating area 30 is provided with a reciprocating filtering mechanism which is used for filtering the fibers subjected to air-floating. The reciprocating filtering mechanism comprises a filtering plate 50, sliding grooves 51 are formed in the first partition plate 12 and the second partition plate 13, two ends of the filtering plate 50 are arranged in the sliding grooves 51 in a sliding mode, and a reciprocating mechanism for driving the filtering plate 50 to reciprocate is arranged at the upper end of the air floatation area 30. The reciprocating mechanism includes a cylinder 52, the cylinder 52 is fixed on the upper end of the housing 10, and the piston rod of the cylinder 52 faces downward and is fixed with the filter plate 50. A plurality of telescopic rods 53 are connected between the box cover 11 and the filter plate 50, and the interval distance between the adjacent telescopic rods 53 is the same.
The lower end of the reciprocating filtering mechanism on the first partition plate 12 is provided with a pulp outlet 22, the pulp outlet 22 is provided with a stop door 23, the stop door 23 is controlled to be opened and closed by a control switch, and the upper end communication port 42 of the reciprocating filtering mechanism on the second partition plate 13. After the fiber after air floatation is filtered by the reciprocating filter device, the stop door 23 can be opened, and waste slurry containing long fiber flows out through the slurry outlet 22 and enters the long fiber area 20 for recycling; the waste pulp containing short fibers is filtered by the filter plate 50 and flows into the short fibers from the communication port 42.
The specific implementation process is as follows: when the system is used, the cardboard paper can be prepared by matching wood pulp and waste pulp according to the process flow of figure 1. The long fibers in the waste pulp are separated by the screening machine and are utilized in the production of the cardboard paper, so that the quality of the cardboard paper can be ensured to meet the use requirement while the wood pulp hanging amount is reduced in the production of the cardboard paper.
When a screening machine is used for screening waste pulp, the waste pulp is introduced into an air floatation area 30 of a box body 10 through a pulp inlet 31, and fibers in the waste pulp float upwards through the air floatation action of the waste pulp; at this time, the starting cylinder 52 drives the filter plate 50 to reciprocate, so that the continuous reciprocating motion of the filter plate 50 is realized, the filter holes are prevented from being blocked by fibers, and meanwhile, short fibers can be upwards filtered out. The reciprocating motion of the cylinder 52 can be controlled to be stable at a low speed, so that the filter plate 50 can reciprocate stably at a low speed, and short fibers can be filtered out while the floating of the fibers is not influenced. The short fibers will pass through the reciprocating filter mechanism at the upper end of the reciprocating filter mechanism and then enter the short fiber zone 40 through the communication port 42 where they are collected through the waste slurry outlet 41. After the filtration is finished, the long fiber which does not pass through the filter plate 50 is positioned at the lower end of the filter plate 50, the stop door 23 can be opened to enable the waste pulp with the long fiber to enter the long fiber area 20, and the waste pulp collected in the long fiber area 20 can be recycled through the pulp recycling port 21 and used for being mixed with wood pulp to prepare the cardboard paper.
The long fiber that this system was at the in-process of preparation cardboard paper, after reducing wood pulp hang face volume, screened from the waste pulp has reduced the fiber loss rate, has increased the long fiber quantity in supportable of paper surface course to improve the quality of finished product paper greatly, avoided the phenomenon that the line explosion appears when the carton is made to finished product paper, in order to improve the competitiveness of product in market.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides a reduce production system of wood pulp vermicelli volume boxboard paper which characterized in that: the screening machine comprises a box body, a first partition plate and a second partition plate are arranged in the box body, and the box body is sequentially divided into a long fiber area, an air flotation area and a short fiber area by the first partition plate and the second partition plate; a slurry inlet is formed in the lower end of the air floatation area on the box body, and the air floatation area carries out air floatation treatment on fibers in the waste slurry; the upper end of the air floatation area is provided with a reciprocating filtering mechanism which is used for filtering the fibers subjected to air floatation; the lower end of the reciprocating filtering mechanism on the first partition plate is provided with a pulp outlet, the pulp outlet is provided with a stop door, and the upper end communicating port of the reciprocating filtering mechanism on the second partition plate.
2. The system for producing the boxboard paper by reducing the wood pulp fine dried noodle quantity is characterized in that the lower end of the short fiber area of the box body is provided with a waste pulp outlet, and the lower end of the long fiber area of the box body is provided with a recycled pulp outlet.
3. The production system of the boxboard paper with the reduced wood pulp fine dried noodle quantity, according to claim 2, characterized in that the air flotation zone is provided with a buffer cavity, the pulp inlet is communicated with the buffer cavity, and the buffer cavity is provided with an outlet positioned in the air flotation zone.
4. The system for producing the boxboard paper with the reduced wood pulp fine dried noodle quantity is characterized in that the reciprocating filtering mechanism comprises a filtering plate, sliding grooves are formed in the first partition plate and the second partition plate, two ends of the filtering plate are arranged in the sliding grooves in a sliding mode, and a reciprocating mechanism for driving the filtering plate to reciprocate is arranged at the upper end of the air floatation area.
5. The system for producing the boxboard paper with the reduced wood pulp fine dried noodle quantity is characterized in that the reciprocating mechanism comprises an air cylinder, the air cylinder is fixed at the upper end of the box body, and a piston rod of the air cylinder faces downwards and is fixed with the filter plate.
6. The system for producing the boxboard paper with the reduced wood pulp fine dried noodle quantity according to claim 5, wherein a plurality of telescopic rods are connected between the box body and the filter plate, and the adjacent telescopic rods are spaced at the same distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110144.9A CN113737554A (en) | 2021-09-18 | 2021-09-18 | Production system for reducing wood pulp fine dried noodle volume boxboard paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110144.9A CN113737554A (en) | 2021-09-18 | 2021-09-18 | Production system for reducing wood pulp fine dried noodle volume boxboard paper |
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| Publication Number | Publication Date |
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| CN113737554A true CN113737554A (en) | 2021-12-03 |
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| CN202111110144.9A Pending CN113737554A (en) | 2021-09-18 | 2021-09-18 | Production system for reducing wood pulp fine dried noodle volume boxboard paper |
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|---|---|---|---|---|
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| CN107416934A (en) * | 2017-05-28 | 2017-12-01 | 韦爱龄 | Vibrating air floating pond |
| CN207828686U (en) * | 2018-01-23 | 2018-09-07 | 台山市邦泰鞋材有限公司 | A kind of paper pulp separating screen device |
| CN109052558A (en) * | 2018-09-28 | 2018-12-21 | 湖北君集水处理有限公司 | A kind of cyclone air-flotation separator |
| CN109319955A (en) * | 2017-07-31 | 2019-02-12 | 江苏中科金汇生态科技有限公司 | A kind of oil water separator |
| CN109629289A (en) * | 2018-12-17 | 2019-04-16 | 东莞顺裕纸业有限公司 | It is a kind of for producing the waste paper pulp-making device of the paper making pulp of corrugating medium |
| CN111517506A (en) * | 2020-05-29 | 2020-08-11 | 西安兴晟造纸不锈钢网有限公司 | Sewage treatment machine and sewage treatment method |
| CN212356795U (en) * | 2020-05-29 | 2021-01-15 | 西安兴晟造纸不锈钢网有限公司 | Papermaking plain boiled water fiber recovery filter |
| CN112779805A (en) * | 2020-12-30 | 2021-05-11 | 玖龙纸业（太仓）有限公司 | High-strength cardboard paper pulping system and production method |
-
2021
- 2021-09-18 CN CN202111110144.9A patent/CN113737554A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099793A (en) * | 2014-07-07 | 2014-10-15 | 浙江荣晟环保纸业股份有限公司 | Production method of low-basis-weight environment-friendly high-strength kraft face liner board |
| CN107416934A (en) * | 2017-05-28 | 2017-12-01 | 韦爱龄 | Vibrating air floating pond |
| CN109319955A (en) * | 2017-07-31 | 2019-02-12 | 江苏中科金汇生态科技有限公司 | A kind of oil water separator |
| CN207828686U (en) * | 2018-01-23 | 2018-09-07 | 台山市邦泰鞋材有限公司 | A kind of paper pulp separating screen device |
| CN109052558A (en) * | 2018-09-28 | 2018-12-21 | 湖北君集水处理有限公司 | A kind of cyclone air-flotation separator |
| CN109629289A (en) * | 2018-12-17 | 2019-04-16 | 东莞顺裕纸业有限公司 | It is a kind of for producing the waste paper pulp-making device of the paper making pulp of corrugating medium |
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| CN112779805A (en) * | 2020-12-30 | 2021-05-11 | 玖龙纸业（太仓）有限公司 | High-strength cardboard paper pulping system and production method |
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Application publication date: 20211203 |
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