CN209428837U - A kind of papermaking circulation system - Google Patents
A kind of papermaking circulation system Download PDFInfo
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- CN209428837U CN209428837U CN201822239260.0U CN201822239260U CN209428837U CN 209428837 U CN209428837 U CN 209428837U CN 201822239260 U CN201822239260 U CN 201822239260U CN 209428837 U CN209428837 U CN 209428837U
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- machine
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- paper manufacturing
- air floatation
- circulation system
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Abstract
This application provides a kind of papermaking circulation systems, including Cultural Paper paper manufacturing systems, boxboard paper manufacturing systems, the Cultural Paper paper manufacturing systems along paper manufacturing streams direction successively include the first wet end, the first press section, first before drying section, the first press polish curled portion after drying section, the first sizing portion, first；The boxboard paper manufacturing systems successively include pulper along paper manufacturing streams direction, pulping system, second wet end, second press section, drying section before second, second sizing portion, drying section after second, second press polish curled portion, the papermaking circulation system further includes the first machine water pond being arranged on the downside of first wet end, for the first air floatation machine to the machine water air-flotation process in the first machine water pond, for containing the first sludge sump of the sludge of the first air floatation machine discharge, for handling the first plate and frame filter press of sludge in first sludge sump.
Description
Technical field
This application involves a kind of papermaking circulation systems.
Background technique
In the prior art, calcium carbonate is one of raw material important in paper-making process, be can achieve in Cultural Paper additive amount
20%, but calcium carbonate partial size is small (2 μm or so), it is low in web part of paper machine retention, cause calcium carbonate and fiber fines to be lost, becomes
The chief component of machine water, machine water recycle or by airfloat equipment to plain boiled water to fiber by plain boiled water polydisc
It is purified, this method belongs to the short circulation of either inside, does not consider calcium carbonate comprehensive cyclic utilization.
Utility model content
The application technical problems to be solved are to provide a kind of papermaking circulation system.
In order to solve the above-mentioned technical problem, this application provides a kind of papermaking circulation system, the papermaking circulation systems
Including Cultural Paper paper manufacturing systems, boxboard paper manufacturing systems, the Cultural Paper paper manufacturing systems successively include along paper manufacturing streams direction
Drying section, the first press polish curled portion after drying section, the first sizing portion, first before first wet end, the first press section, first；It is described
Boxboard paper manufacturing systems along paper manufacturing streams direction successively include pulper, pulping system, the second wet end, the second press section,
Drying section, the second press polish curled portion after drying section, the second sizing portion, second before two, the papermaking circulation system further includes setting
Set the first machine water pond on the downside of first wet end, for the machine water in the first machine water pond
The first sludge sump, described for handling of first air floatation machine of air-flotation process, sludge for containing the discharge of the first air floatation machine
First plate and frame filter press of sludge in first sludge sump；The papermaking circulation system further includes that second wet end is arranged in
Second machine water pond of downside, for the second air bearing to the machine water air-flotation process in the second machine water pond
Machine, the second sludge sump of sludge for containing the discharge of the second air floatation machine, for handling sludge in second sludge sump
Second plate and frame filter press；The papermaking circulation system further includes an incinerator, and the incinerator is used to burn described the
The sludge of one plate and frame filter press and the discharge of the second plate and frame filter press, the incinerated matter after the incinerator is also used to burn convey
To the pulper.
Preferably, the pulping system successively includes slag removing system, screening system, purification system along paper manufacturing streams direction
System, heat partition system, refining system and the slurry tower for storing paper pulp.
Preferably, one first return pipe is additionally provided between first air floatation machine and the first machine water pond
Road, first reflux line are used to for the purified plain boiled water in the first air floatation machine to be delivered to first machine water
Chi Zhong.
Preferably, one second return pipe is additionally provided between second air floatation machine and the second machine water pond
Road, second reflux line are used to for the purified plain boiled water in the second air floatation machine to be delivered to second machine water
Chi Zhong.
A kind of papermaking circulation system of the application makes the carbon being lost using different paper kinds to the demand difference of calcium carbonate
Sour calcium carries out systemic circulation between standdle carrier, i.e., the calcium carbonate and fiber being lost in Cultural Paper become one of sludge by air-flotation process
Point, then so that sludge is reached suitable mass dryness fraction by plate and frame filter press, then send to incinerator and produce electricl energy and thermal energy, while carbonic acid
Calcium neutralizes the tart flavour in OCC pulping system substantially to aoxidize calcium form presence, using the alkalinity of calcium oxide, nor affects on into paper and refers to
Mark.Calcium Carbonate resource is not only comprehensively utilized, but also improves shopwork environment.The present invention using different paper kinds to calcium carbonate not
Same demand completes recycling for calcium carbonate, reduces solid waste and generates, saves production cost；The present invention is using at calcium carbonate high temperature
The calcium oxide generated after reason adjusts OCC pulping system pH value, improves shopwork environment, while burning and generating thermal energy and electric energy,
Realize utilization of resources.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of papermaking circulation system described herein.
Wherein: 11, the first wet end；12, the first press section；13, drying section before first；14, the first sizing portion；15, first
Drying section afterwards；16, the first press polish curled portion；
21, the first machine water pond；22, the first air floatation machine；23, the first sludge sump；24, the first plate and frame filter press；25, it burns
Burn furnace；
31, pulper；32, pulping system；33, the second wet end；34, the second press section；35, drying section before second；36,
Two sizing portions；37, drying section after second；38, the second press polish crimps；
41, the second machine water pond；42, the second air floatation machine；43, the second sludge sump；44, the second plate and frame filter press.
Specific embodiment
The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.
As shown, for this application provides a kind of papermaking circulation system, the papermaking circulation system includes Cultural Paper
Paper manufacturing systems, boxboard paper manufacturing systems, the Cultural Paper paper manufacturing systems along paper manufacturing streams direction successively include the first wet end 11,
Drying section 15, the first press polish curled portion 16 behind drying section 13, the first sizing portion 14, first before first press section 12, first；It is described
Boxboard paper manufacturing systems along paper manufacturing streams direction successively include pulper 31, pulping system 32, the second wet end 33, second squeezing
Drying section 37, the second press polish crimp 38 behind drying section 35, the second sizing portion 36, second before portion 34, second, and the papermaking follows
Loop system further includes the first machine water pond 21 that 11 downside of the first wet end is arranged in, for off the net to described first
The of first air floatation machine 22 of the machine water air-flotation process in white water chest 21, sludge for containing the discharge of the first air floatation machine 22
One sludge sump 23, the first plate and frame filter press 24 for handling sludge in first sludge sump 23；The papermaking circulating
System further includes the second machine water pond 41 that 33 downside of the second wet end is arranged in, for off the net white to described second
Second air floatation machine 42 of the machine water air-flotation process in pond 41, second for containing the sludge that the second air floatation machine 42 is discharged
Sludge sump 43, the second plate and frame filter press 44 for handling sludge in second sludge sump 43；The papermaking circulating system
System further includes an incinerator 25, and the incinerator 25 is used to burn first plate and frame filter press 24 and the second plate compression
The sludge that machine 44 is discharged, the incinerator 25 are also used to the incinerated matter after burning being delivered to the pulper 31.It is described
Pulping system 32 along paper manufacturing streams direction successively include slag removing system, screening system, purification system, heat partition system, defibrination
System and slurry tower for storing paper pulp.
It is additionally provided with one first reflux line between first air floatation machine 22 and the first machine water pond 21,
First reflux line is used to for the purified plain boiled water in the first air floatation machine 22 to be delivered to first machine water
In pond 21.It is additionally provided with one second reflux line between second air floatation machine 42 and the second machine water pond 41,
Second reflux line is used to for the purified plain boiled water in the second air floatation machine 42 to be delivered to second machine water
In pond 41.
The method of the papermaking circulation system includes Cultural Paper papermaking and boxboard papermaking, the Cultural Paper papermaking
To pass sequentially through drying section 13, first before the first press section 12, first after the first wet end 11 is added in bleached pulp and calcium carbonate
Cultural Paper is formed after drying section 15 and the first press polish curled portion 16 behind sizing portion 14, first, what first wet end 11 generated
Calcium carbonate and fiber enter the first machine water pond 21, and the machine water in the first machine water pond 21 passes through
The processing of first air floatation machine 22 carries out air-flotation process, and calcium carbonate, fiber and the sicker generated in the first air floatation machine 22 is admitted to institute
The first sludge sump 23 stated, the sludge in first sludge sump 23 enter first plate and frame filter press 24, the first plate
The sludge that frame filter press 24 generates enters the burning of incinerator 25, and the boxboard papermaking is, by waste and old boxboard and incinerator
The pulper 31 is added in 25 calcium oxide generated, then passes sequentially through pulping system 32, the second wet end 33, the second press section
34, drying section 37 and the second press polish crimp 38 behind drying section 35, the second sizing portion 36, second before second, second net
The calcium carbonate and fiber that portion 33 generates enter the second machine water pond 41, the net in the second machine water pond 41
Lower plain boiled water carries out air-flotation process, calcium carbonate, the fiber generated in second air floatation machine 42 by the processing of the second air floatation machine 42
And sicker is admitted to second sludge sump 43, the sludge in second sludge sump 43 enters second sheet frame
Filter press 44, the sludge that second plate and frame filter press 44 generates enter the incinerator 25 and burn.Sludge enters sheet frame
Filter press, mass dryness fraction can reach 50% or more, meet the requirement of burning, and after the burning of incinerator 25, fiber and sicker become two
Carbonoxide and water, calcium carbonate become calcium oxide.Calcium oxide has the effect of adjusting pH value, adjustable OCC (waste and old boxboard)
Slurrying reduces the generation of tart flavour in acid system pH value.The sludge that boxboard itself generates equally is sent by plate and frame filter press
To incinerator 25, it is achieved in the systemic circulation of calcium carbonate.Purified plain boiled water in first air floatation machine 22 passes through first
Reflux line is back in the first machine water pond 21.Purified plain boiled water in second air floatation machine 42 passes through
Second reflux line is back in the second machine water pond 41.
A kind of papermaking circulation system and method for the application makes to flow using different paper kinds to the demand difference of calcium carbonate
The calcium carbonate of mistake carries out systemic circulation between standdle carrier, i.e., the calcium carbonate and fiber being lost in Cultural Paper become sludge by air-flotation process
A part, then so that sludge is reached suitable mass dryness fraction by plate and frame filter press, then send to incinerator 25 and produce electricl energy and thermal energy,
Calcium carbonate neutralizes the tart flavour in OCC pulping system 32 using the alkalinity of calcium oxide, also not substantially to aoxidize calcium form presence simultaneously
Influence into paper index.Calcium Carbonate resource is not only comprehensively utilized, but also improves shopwork environment.The present invention utilizes different paper kinds pair
The different demands of calcium carbonate complete recycling for calcium carbonate, reduce solid waste and generate, save production cost；The present invention utilizes carbon
The calcium oxide generated after sour calcium high-temperature process adjusts OCC pulping system 32pH value, improves shopwork environment, while burning generation
Thermal energy and electric energy realize utilization of resources.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application
It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application
Protection scope within.The protection scope of the application is subject to claims.
Claims (4)
1. a kind of papermaking circulation system, which is characterized in that the papermaking circulation system includes Cultural Paper paper manufacturing systems, boxboard
Paper manufacturing systems,
The Cultural Paper paper manufacturing systems along paper manufacturing streams direction successively include the first wet end, the first press section, first before it is dry
Drying section, the first press polish curled portion after portion, the first sizing portion, first；
The boxboard paper manufacturing systems successively include pulper, pulping system, the second wet end, the second pressure along paper manufacturing streams direction
Drying section, the second press polish curled portion after drying section, the second sizing portion, second before squeezing portion, second,
The papermaking circulation system further includes the first machine water pond on the downside of first wet end being arranged in, for institute
First air floatation machine of the machine water air-flotation process in the first machine water pond stated, the dirt for containing the discharge of the first air floatation machine
First sludge sump of mud, the first plate and frame filter press for handling sludge in first sludge sump；
The papermaking circulation system further includes the second machine water pond on the downside of second wet end being arranged in, for institute
Second air floatation machine of the machine water air-flotation process in the second machine water pond stated, the dirt for containing the discharge of the second air floatation machine
Second sludge sump of mud, the second plate and frame filter press for handling sludge in second sludge sump；
The papermaking circulation system further includes an incinerator, and the incinerator is used to burn first plate and frame filter press
With the sludge of the second plate and frame filter press discharge, the incinerator is also used to the incinerated matter after burning being delivered to the pulping
Machine.
2. papermaking circulation system as described in claim 1, which is characterized in that the pulping system along paper manufacturing streams direction according to
Secondary includes slag removing system, screening system, purification system, heat partition system, refining system and the slurry tower for storing paper pulp.
3. papermaking circulation system as described in claim 1, which is characterized in that first air floatation machine and first net
One first reflux line is additionally provided between lower white water chest, first reflux line is used for the purification in the first air floatation machine
Plain boiled water afterwards is delivered in the first machine water pond.
4. papermaking circulation system as claimed in claim 3, which is characterized in that second air floatation machine and second net
One second reflux line is additionally provided between lower white water chest, second reflux line is used for the purification in the second air floatation machine
Plain boiled water afterwards is delivered in the second machine water pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239260.0U CN209428837U (en) | 2018-12-28 | 2018-12-28 | A kind of papermaking circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239260.0U CN209428837U (en) | 2018-12-28 | 2018-12-28 | A kind of papermaking circulation system |
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| CN209428837U true CN209428837U (en) | 2019-09-24 |
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ID=67974547
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| CN201822239260.0U Active CN209428837U (en) | 2018-12-28 | 2018-12-28 | A kind of papermaking circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537348A (en) * | 2018-12-28 | 2019-03-29 | 玖龙纸业（太仓）有限公司 | A kind of papermaking circulation system and method |
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2018
- 2018-12-28 CN CN201822239260.0U patent/CN209428837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537348A (en) * | 2018-12-28 | 2019-03-29 | 玖龙纸业（太仓）有限公司 | A kind of papermaking circulation system and method |
| CN109537348B (en) * | 2018-12-28 | 2023-08-29 | 玖龙纸业（太仓）有限公司 | Papermaking circulation system and method |
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