CN109537348A - A kind of papermaking circulation system and method - Google Patents
A kind of papermaking circulation system and method Download PDFInfo
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- CN109537348A CN109537348A CN201811621527.0A CN201811621527A CN109537348A CN 109537348 A CN109537348 A CN 109537348A CN 201811621527 A CN201811621527 A CN 201811621527A CN 109537348 A CN109537348 A CN 109537348A
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- China
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- machine
- papermaking
- sludge
- air floatation
- machine water
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- 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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Abstract
This application provides a kind of papermaking circulation system and methods, 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 system and methods.
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.
Summary of the invention
The application technical problems to be solved are to provide a kind of papermaking circulation system and method.
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.
The application also provides a kind of papermaking circulating method, and papermaking circulation system described in the method use is described
Papermaking circulating method includes that Cultural Paper papermaking and boxboard papermaking, the Cultural Paper papermaking are to add bleached pulp and calcium carbonate
After entering the first wet end, drying section and the first pressure after drying section, the first sizing portion, first are passed sequentially through before the first press section, first
Cultural Paper is formed after light curled portion, the calcium carbonate and fiber that first wet end generates enter first machine water
Pond, the machine water in the first machine water pond carry out air-flotation process, the first air floatation machine by the processing of the first air floatation machine
Calcium carbonate, fiber and the sicker of middle generation are admitted to first sludge sump, the sludge in first sludge sump into
Enter first plate and frame filter press, the sludge that the first plate and frame filter press generates enters incinerator burning, and the boxboard is made
Paper is, the pulper is added in the calcium oxide that waste and old boxboard and incinerator generate, and then passes sequentially through pulping system, the
Drying section and the second press polish curled portion after drying section, the second sizing portion, second before two wet ends, the second press section, second, it is described
The calcium carbonate and fiber that second wet end generates enter the second machine water pond, the net in the second machine water pond
Lower plain boiled water carries out air-flotation process, calcium carbonate, fiber and the glue generated in second air floatation machine by the processing of the second air floatation machine
Viscous object is admitted to second sludge sump, and the sludge in second sludge sump enters second plate and frame filter press,
The sludge that second plate and frame filter press generates enters the incinerator and burns.
Preferably, the purified plain boiled water in first air floatation machine is back to described the by the first reflux line
In one machine water pond.
Preferably, the purified plain boiled water in second air floatation machine is back to described the by the second reflux line
In two machine water ponds.
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 and produce electricl energy and thermal energy, together
When calcium carbonate substantially with aoxidize calcium form presence, using calcium oxide alkalinity neutralize OCC pulping system in tart flavour, nor affect on
At paper index.Calcium Carbonate resource is not only comprehensively utilized, but also improves shopwork environment.The present invention is using different paper kinds to carbonic acid
The different demands of calcium complete recycling for calcium carbonate, reduce solid waste and generate, save production cost；The present invention utilizes calcium carbonate
The calcium oxide that generates after high-temperature process adjusts OCC pulping system pH value, improves shopwork environment, at the same burn generate thermal energy and
Electric energy realizes 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 application also provides a kind of papermaking circulating method, including, Cultural Paper papermaking and boxboard papermaking, the Cultural Paper
Papermaking is, after the first wet end 11 is added in bleached pulp and calcium carbonate, pass sequentially through drying section 13 before the first press section 12, first,
Cultural Paper is formed after drying section 15 and the first press polish curled portion 16 behind first sizing portion 14, first, first wet end 11 produces
Raw calcium carbonate and fiber enters the first machine water pond 21, the machine water in the first machine water pond 21
It is handled by the first air floatation machine 22 and carries out air-flotation process, calcium carbonate, fiber and the sicker generated in the first air floatation machine 22 is sent
Entering first sludge sump 23, the sludge in first sludge sump 23 enters first plate and frame filter press 24, the
The sludge that one plate and frame filter press 24 generates enters the burning of incinerator 25, and the boxboard papermaking is by waste and old boxboard and to burn
It burns the calcium oxide that furnace 25 generates and the pulper 31 is added, then pass sequentially through pulping system 32, the second wet end 33, second pressure
Drying section 37 and the second press polish crimp 38 behind drying section 35, the second sizing portion 36, second before squeezing portion 34, second, and described the
The calcium carbonate and fiber that two wet ends 33 generate enter the second machine water pond 41, in the second machine water pond 41
Machine water carry out air-flotation process by the processing of the second air floatation machine 42, the calcium carbonate that generates in second air floatation machine 42,
Fiber and sicker are admitted to second sludge sump 43, and the sludge in second sludge sump 43 enters described second
Plate and frame filter press 44, the sludge that second plate and frame filter press 44 generates enter the incinerator 25 and burn.Sludge enters
Plate and 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
At carbon dioxide and water, calcium carbonate becomes calcium oxide.Calcium oxide has the effect of adjusting pH value, adjustable OCC (waste and old boxboard
Paper) slurrying in acid system pH value, reduces the generation of tart flavour.The sludge that boxboard itself generates equally passes through plate and frame filter press
Send the systemic circulation that calcium carbonate is achieved in incinerator 25.
Preferably, the purified plain boiled water in first air floatation machine 22 is back to described by the first reflux line
In first machine water pond 21.
Preferably, the purified plain boiled water in second air floatation machine 42 is back to described by the second reflux line
In 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 (7)
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.
5. a kind of papermaking circulating method, which is characterized in that the method uses papermaking circulation system as claimed in claim 4,
The papermaking circulating method includes Cultural Paper papermaking and boxboard papermaking,
The Cultural Paper papermaking is after the first wet end is added in bleached pulp and calcium carbonate, to pass sequentially through the first press section, first
Cultural Paper is formed after drying section and the first press polish curled portion after preceding drying section, the first sizing portion, first, first wet end produces
Raw calcium carbonate and fiber enters the first machine water pond, and the machine water in the first machine water pond passes through
The processing of first air floatation machine carries out air-flotation process, and calcium carbonate, fiber and the sicker generated in the first air floatation machine is admitted to described
First sludge sump, the sludge in first sludge sump enter first plate and frame filter press, and the first plate and frame filter press produces
Raw sludge enters incinerator burning,
The boxboard papermaking is the pulper to be added in the calcium oxide that waste and old boxboard and incinerator generate, then
Pass sequentially through before pulping system, the second wet end, the second press section, second drying section and after drying section, the second sizing portion, second
Two press polish curled portions, the calcium carbonate and fiber that second wet end generates enter the second machine water pond, described
Machine water in second machine water pond carries out air-flotation process by the processing of the second air floatation machine, produces in second air floatation machine
Raw calcium carbonate, fiber and sicker is admitted to second sludge sump, and the sludge in second sludge sump enters institute
The second plate and frame filter press stated, the sludge that second plate and frame filter press generates enter the incinerator and burn.
6. a kind of papermaking circulating method as claimed in claim 5, which is characterized in that after the purification in first air floatation machine
Plain boiled water be back to by the first reflux line in the first machine water pond.
7. a kind of papermaking circulating method as claimed in claim 6, which is characterized in that after the purification in second air floatation machine
Plain boiled water be back to by the second reflux line in the second machine water pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621527.0A CN109537348B (en) | 2018-12-28 | 2018-12-28 | Papermaking circulation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621527.0A CN109537348B (en) | 2018-12-28 | 2018-12-28 | Papermaking circulation system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109537348A true CN109537348A (en) | 2019-03-29 |
| CN109537348B CN109537348B (en) | 2023-08-29 |
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ID=65857769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811621527.0A Active CN109537348B (en) | 2018-12-28 | 2018-12-28 | Papermaking circulation system and method |
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| Country | Link |
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| CN (1) | CN109537348B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003119692A (en) * | 2001-10-16 | 2003-04-23 | Oji Paper Co Ltd | Filler-added paper and method for producing the same |
| JP2009007238A (en) * | 2007-05-30 | 2009-01-15 | Oji Paper Co Ltd | Method for producing white inorganic particles |
| WO2009034056A1 (en) * | 2007-09-13 | 2009-03-19 | Linde Aktiengesellschaft | Removal of stickies from a pulp suspension, reduction of calcium compounds in reject and use of carbon dioxide in papermaking |
| JP2009127166A (en) * | 2007-11-27 | 2009-06-11 | Oji Paper Co Ltd | Coated white paperboard |
| CN209428837U (en) * | 2018-12-28 | 2019-09-24 | 玖龙纸业（太仓）有限公司 | A kind of papermaking circulation system |
-
2018
- 2018-12-28 CN CN201811621527.0A patent/CN109537348B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003119692A (en) * | 2001-10-16 | 2003-04-23 | Oji Paper Co Ltd | Filler-added paper and method for producing the same |
| JP2009007238A (en) * | 2007-05-30 | 2009-01-15 | Oji Paper Co Ltd | Method for producing white inorganic particles |
| WO2009034056A1 (en) * | 2007-09-13 | 2009-03-19 | Linde Aktiengesellschaft | Removal of stickies from a pulp suspension, reduction of calcium compounds in reject and use of carbon dioxide in papermaking |
| JP2009127166A (en) * | 2007-11-27 | 2009-06-11 | Oji Paper Co Ltd | Coated white paperboard |
| CN209428837U (en) * | 2018-12-28 | 2019-09-24 | 玖龙纸业（太仓）有限公司 | A kind of papermaking circulation system |
Non-Patent Citations (1)
| Title |
|---|
| 吴海标;: "技改推进造纸清洁生产的实践", 纸和造纸, no. 09 * |
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| CN109537348B (en) | 2023-08-29 |
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