CN106192531A - A kind of pulp-water utilization process in papermaking - Google Patents
A kind of pulp-water utilization process in papermaking Download PDFInfo
- Publication number
- CN106192531A CN106192531A CN201610540097.4A CN201610540097A CN106192531A CN 106192531 A CN106192531 A CN 106192531A CN 201610540097 A CN201610540097 A CN 201610540097A CN 106192531 A CN106192531 A CN 106192531A
- Authority
- CN
- China
- Prior art keywords
- water
- pulp
- slurry
- chest
- plain boiled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
Abstract
The invention discloses the pulp-water utilization process in a kind of papermaking, the slurry plain boiled water that has produced in moulding process in process of production, is delivered in 1# white water chest, is back to stock pump hole by passage and is circulated utilization by paper machine.The present invention will have pulp-water, separately process without pulp-water, slurry plain boiled water is had all to be recycled in 1# white water chest, directly slurry supply pump hole is circulated utilization, the slurry in slurry plain boiled water is had to be recycled recycling, avoid the loss of slurry, make the slurry in waste water directly be recycled, save slurry consumption 3% 4%, save substantial amounts of production cost.
Description
Technical field
The present invention relates to pulping wastewater treatment technical field, the pulp-water utilization process being specifically related in a kind of papermaking.
Background technology
Mthod of white water from paper making is primarily referred to as the waste water that the copy paper system of paper mill paper machine is discharged, containing substantial amounts of in mthod of white water from paper making
The foreign material such as fiber fines, sizing agent, preservative, reinforcing agent.On paper machine, water consumption is very big, and the plain boiled water of discharge is more, owing to making
In paper plain boiled water, impurities is more, it is impossible to direct reuse is in production, and plain boiled water must be processed by paper mill, reuse, to reduce
Environmental pollution, saving water resource.
Traditional pulping wastewater treatment is usually and uses end-o f-pipe-control way, the waste water produced is pooled in paper production
Together, in total Pai Kou front end, paper waste is processed, make water quality after meeting paper making water standard, be then sent through papermaking each road work
Sequence reuse, thus reduce rinse dosage, minimizing wastewater discharge and the content of Pollutants in Wastewater, but the plain boiled water water quality after processing
Poor, again can affect the paper quality of production during reuse, this method is passive passive, it is achieved cost is high, owing to waste water is at place
The slurry that can produce in waste water, and waste water again during reason is not utilized effectively, and wastes slurry, improves slurry and consumes
Amount.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that the pulp-water circulation in a kind of papermaking saving slurry consumption
Utilize technique.
To achieve these goals, the technical scheme that the present invention takes is as follows:
Pulp-water utilization process in a kind of papermaking, paper machine in process of production, has slurry white by produce in moulding process
Water is delivered in 1# white water chest, is back to stock pump hole by passage and is circulated utilization.
As a further improvement on the present invention, paper machine in process of production, has slurry plain boiled water by produce in moulding process
Being delivered in 1# white water chest, the pulp-water in hydraulic pulp flowing box extraction stock pump hole is whitewashed on felt, hydraulic pulp flowing box dual-side
The pulp-water of spray, beyond forming net width, is fallen and is had having of pulp-water separation partition to starch in white water chest, by first inside water receiving trough
Pipeline will have slurry plain boiled water to be sent directly in 1# white water chest.
As a further improvement on the present invention, paper machine in process of production, has slurry plain boiled water by produce in moulding process
Being delivered in 1# white water chest, the slurry being attached on felt after press section press is rinsed the collecting tank falling lower section by liquid drugs injection
In, it is delivered in 1# white water chest by pipeline.
As a further improvement on the present invention, paper machine in process of production, has slurry plain boiled water by produce in moulding process
Being delivered in 1# white water chest, on felt hanging face, liquid drugs injection rinses the slurry do not destroyed, little air-suction trunk again by little vacuum after siphoning away
Pump is injected in 1# white water chest.
As a further improvement on the present invention, paper machine in process of production, has slurry plain boiled water by produce in moulding process
It is delivered in 1# white water chest, during described liquid drugs injection washing felt, penetrates into being siphoned away by big air-suction trunk without slurry plain boiled water of felt lower surface
And be injected in big white water chest by big vacuum pump, it is directly used in making beating water.
As a further improvement on the present invention, paper machine in process of production, has slurry plain boiled water by produce in moulding process
Being delivered in 1# white water chest, during hydraulic pulp flowing box whitewashing, the plain boiled water containing fiber fines through felt falls into water receiving
Pulp-water is had to separate in the fiber fines pond cut off inside trough；By second pipe, the plain boiled water containing fiber fines is injected into
In described 2# white water chest.
As a further improvement on the present invention, the plain boiled water in described 2# white water chest is flowed into big white water chest by the second groove
In.
As a further improvement on the present invention, it is provided with the first groove between described 1# white water chest and 2# white water chest.
As a further improvement on the present invention, the bottom land height of described second groove and the bottom land height of described first groove
Between formed difference in height h；Described difference in height h be on the occasion of.
As a further improvement on the present invention, the plain boiled water that described 2# white water chest is contained within fiber fines first passes through relatively low
One groove supplements plain boiled water to 1# white water chest, and in 2# white water chest, plain boiled water liquid level is flowed into when being higher than the bottom land height of the second groove again
In big white water chest.
Compared with prior art, having the beneficial effect that acquired by the present invention:
The present invention has slurry plain boiled water by produce in felt sizing process and separately processes without slurry plain boiled water, the hair that liquid drugs injection rinses out
The slurry plain boiled water that has on cloth washing slurry and felt hanging face is all directly injected in 1# white water chest, and is entered into slurry by 1# white water chest
Pump hole supplies hydraulic pulp flowing box recycle, owing to slurry cannot pass felt, thus penetrate into felt lower surface for nothing
Pulp-water, is siphoned away by big vacuum tank and is injected in big white water chest, have pulp-water, separately process without pulp-water, has the slurry in slurry plain boiled water
It is recycled recycling, it is to avoid the loss of slurry, saves substantial amounts of production cost；The bottom land height of the second groove is higher than first
Groove bottom land height, it is possible to make the plain boiled water containing fiber fines in 2# white water chest first pass through the first relatively low groove to 1# plain boiled water
Pond supplements plain boiled water, and 1# white water chest has the slurry less 2# white water chest that will not backflow of plain boiled water amount, the nothing slurry plain boiled water in 2# white water chest
Obtain again with；Hydraulic pulp flowing box dual-side pulp-water has been fallen in slurry white water chest, has the slurry plain boiled water that has of slurry white water chest to inject
Using to 1# white water chest slurry supply pump hole, produce in paper production is injected into 2# white water chest, carefully containing fiber fines without slurry plain boiled water
Little fibers etc. add to be continued with in 1# white water chest along with the plain boiled water of 2# white water chest.The present invention makes the slurry in waste water obtain
Directly recycle, save slurry consumption 3%-4%.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention；
Accompanying drawing 2 is the structural representation of difference in height h of the present invention；
Accompanying drawing 3 is present invention process flow chart.
In the accompanying drawings:
1 big white water chest, 2 stock pump holes, 3 1# white water chests, 4 2# white water chests, 5 fiber fines ponds, 6 have slurry white water chest, 7 first
Pipeline, 8 second pipes, 9 first grooves, 10 second grooves, 11 passages, 12 small vacuum pumps, 13 little air-suction trunks, 14 liquid drugs injections, h height
Difference h.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is carried out further details of narration.
As illustrated in the accompanying drawings from 1 to 3, the pulp-water utilization process in a kind of papermaking, in paper machine produces, the shaping of paper pulp
Technique is completed by forming section, in forming technology, needs the pulping sent here by approach system through hydraulic pulp flowing box to spray equably
Delivering on felt, and be sent to press section, pulping shapes the felt after removing through squeezing, is turned back to forming section and is starched by hydraulic stream
Case cloth again is starched, and the spraying producing pulp-water at paper machine all completes with reclaiming in forming technology.Paper machine in process of production,
Being delivered in 1# white water chest by the slurry plain boiled water that has produced in moulding process, the slurry plain boiled water that has of generation is all recycled in 1# white water chest 3,
It is back to stock pump hole 2 by passage 11 and is circulated utilization.Paper machine in process of production, has slurry by produce in moulding process
The cloth slurry step that plain boiled water is delivered in 1# white water chest, hydraulic pulp flowing box extracts the pulp-water in stock pump hole 2 and whitewashes on felt, waterpower
The pulp-water of formula head box dual-side spray beyond forming net width, fall have inside water receiving trough pulp-water separate cut off have slurry plain boiled water
In pond 6, slurry plain boiled water will be had to be sent directly in 1# white water chest 3 by the first pipeline 7.Paper machine in process of production, by molding
The felt loopback washing step having slurry plain boiled water to be delivered in 1# white water chest produced in technique, being attached to after press section press
Slurry on felt is rinsed by liquid drugs injection 14 in the collecting tank falling lower section, is delivered in 1# white water chest 3 by pipeline.Paper machine is being given birth to
During product, the felt loopback washing step having slurry plain boiled water to be delivered in 1# white water chest that will produce in moulding process, felt is hung
On slurry face, liquid drugs injection 14 rinses the slurry do not destroyed, little air-suction trunk 13 be injected into 1# white water chest 3 by small vacuum pump 12 again after siphoning away
In.The felt loopback having slurry plain boiled water to be delivered in 1# white water chest produced in moulding process in process of production, is washed by paper machine
Wash step, penetrate into being siphoned away by big air-suction trunk without slurry plain boiled water and be injected into big white water chest 1 by big vacuum pump of felt lower surface
In, it is directly used in making beating water.In hydraulic pulp flowing box whitewashing step, the plain boiled water containing fiber fines through felt falls into and connects
Pulp-water is had to separate in the fiber fines pond 5 cut off inside tank；By second pipe 8, the plain boiled water containing fiber fines is noted
Enter in described 2# white water chest 4.Plain boiled water in described 2# white water chest 4 is flowed in big white water chest 1 by the second groove 10.Described
It is provided with the first groove 9 between 1# white water chest 3 and 2# white water chest 4.The bottom land height of described second groove 10 is first recessed with described
Difference in height h is formed between the bottom land height of groove 9；Described difference in height h be on the occasion of.Described 2# white water chest 4 is contained within fiber fines
Plain boiled water first passes through the first relatively low groove 9 and supplements plain boiled water to 1# white water chest 3, and in 2# white water chest 4, plain boiled water liquid level is recessed higher than second
It is flowed into again in big white water chest 1 during the bottom land height of groove 10.
Pulp-water to recycle process as follows: after the pulp-water in stock pump hole 2 is extracted by hydraulic pulp flowing box, spraying is at felt
Upper surface, during spraying, the pulp-water scope of power formula head box dual-side spray is beyond forming net width, beyond forming net width
Pulp-water fall have inside water receiving trough pulp-water separate cut off have slurry white water chest 6 in, by the first pipeline 7 will have starch plain boiled water straight
Connect and be sent in 1# white water chest 3；Water and fiber fines in spraying pulp-water on felt drop into below through felt
In fiber fines pond 5, by second pipe 8, the plain boiled water containing fiber fines is injected in described 2# white water chest 4；With spray
The felt of the slurry that cloth shapes enters press section press extrusion dehydration, and the slurry on felt forms l Water Paper, and after being removed by l Water Paper, felt is hung
The lumps of residual on slurry face, is washed by liquid drugs injection 14 hydroblasting, and the felt washing slurry rinsed is injected in 1# white water chest 3,
The slurry plain boiled water that has not rinsed out on felt hanging face is also injected into 1# by small vacuum pump 12 after being siphoned away by little air-suction trunk 13 again
In white water chest 3；Have slurry plain boiled water to be back to stock pump hole 2 to take out for hydraulic pulp flowing boxes by what 1# white water chest 3 reclaimed by passage 11
Take spraying felt, it is achieved be circulated utilization.Present invention improves over the white water treatment technology of tradition, traditional mthod of white water from paper making technique is
Together with pulp-water hydraulic pulp flowing box spraying fallen is collected with the plain boiled water through felt, the slurry washing felt is also
Processing together with being flowed to plain boiled water, felt hanging face and felt reverse side will have pulp-water not enter with without pulp-water only with a vacuum tank
Row processes respectively, but siphons away together, and what hydraulic pulp flowing box spraying fell has pulp-water and without having that pulp-water, liquid drugs injection wash
Pulp-water and without having pulp-water and the water yield produced without pulp-water very big on pulp-water, felt positive and negative, can only partly be back to use stock pump
Hole 2 also requires supplementation with slurry, reaches to meet the percentage ratio of paper production, and another part can not carry out direct reuse and need to locate
Manage, and the amount supplementing slurry is not easily controlled adjustment.Under the washing of pulp-water that hydraulic pulp flowing box spraying is fallen by the present invention, liquid drugs injection
The pulp-water on pulp-water and felt hanging face that has come all is recycled to 1# white water chest 3, supplies hydraulic pulp flowing box in being delivered to stock pump hole 2
On felt, whitewashing uses again, is utilized cmpletely containing pulp-water, and reduces re-treating process step.
The present invention has slurry plain boiled water by produce in paper technology and separately processes without slurry plain boiled water, and liquid drugs injection 14 rinses out
The slurry plain boiled water that has on felt washing slurry and felt hanging face is all directly injected in 1# white water chest 3, and is entered by 1# white water chest 3
In stock pump hole 2, supply hydraulic pulp flowing box recycle, owing to slurry cannot pass felt, thus penetrate into felt lower surface
For without pulp-water, big vacuum tank siphon away and be injected in big white water chest 1, have pulp-water, separately process without pulp-water, have in slurry plain boiled water
Slurry be recycled recycling, it is to avoid the loss of slurry, save substantial amounts of production cost；The bottom land height of the second groove 10 is high
Bottom land height in the first groove 9, it is possible to make the nothing slurry plain boiled water in 2# white water chest 4 first pass through the first relatively low groove 9 white to 1#
Pond 3 supplements plain boiled water, and 1# white water chest 3 has the slurry less 2# white water chest 4 that will not backflow of plain boiled water amount, containing in 2# white water chest 4
The plain boiled water having fiber fines obtain again with；Hydraulic pulp flowing box dual-side pulp-water has been fallen in slurry white water chest, has slurry plain boiled water
Pond have slurry plain boiled water be injected into 1# white water chest 3 slurry supply pump hole 2 use, in paper production produce containing fiber fines without slurry plain boiled water
Being injected into 2# white water chest 4, fiber fines etc. adds to be continued with in 1# white water chest 3 along with the plain boiled water of 2# white water chest 4.This
Invention makes the slurry in waste water directly be recycled, and saves slurry consumption 3%-4%.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.Right
For persons skilled in the art, to its done any showing on the premise of without departing substantially from the principle of the invention and spirit
The change being clear to, within all should being contemplated as falling with the claims of the present invention.
Claims (10)
1. the pulp-water utilization process in a papermaking, it is characterised in that: paper machine in process of production, by moulding process
The slurry plain boiled water that has produced is delivered in 1# white water chest (3), is back to stock pump hole (2) by passage (11) and is circulated utilization.
Pulp-water utilization process in a kind of papermaking the most according to claim 1, it is characterised in that: paper machine is producing
During, the slurry plain boiled water that has produced in moulding process is delivered in 1# white water chest (3), hydraulic pulp flowing box extraction stock pump hole
(2) pulp-water is whitewashed on felt, and the pulp-water of hydraulic pulp flowing box dual-side spray, beyond forming net width, is fallen in water receiving trough
Portion have pulp-water separate cut off have in slurry white water chest (6), by the first pipeline (7) will have starch plain boiled water be sent directly into 1# white water chest
(3) in.
Pulp-water utilization process in a kind of papermaking the most according to claim 1 and 2, it is characterised in that: paper machine exists
In production process, the slurry plain boiled water that has produced is delivered in 1# white water chest (3), the attachment after press section press in moulding process
Slurry on felt is rinsed by liquid drugs injection (14) in the collecting tank falling lower section, is delivered in 1# white water chest (3) by pipeline.
Pulp-water utilization process in a kind of papermaking the most according to claim 3, it is characterised in that: paper machine is producing
During, the slurry plain boiled water that has produced in moulding process is delivered in 1# white water chest (3), on felt hanging face, liquid drugs injection (14) rinses
The slurry do not destroyed, little air-suction trunk (13) be injected in 1# white water chest (3) by small vacuum pump (12) after siphoning away again.
Pulp-water utilization process in a kind of papermaking the most according to claim 4, it is characterised in that: paper machine is producing
During, the slurry plain boiled water that has produced in moulding process is delivered in 1# white water chest, during described liquid drugs injection (14) washing felt, infiltration
Being siphoned away by big air-suction trunk without slurry plain boiled water and being injected in big white water chest (1) by big vacuum pump to felt lower surface, is directly used
In making beating water.
Pulp-water utilization process in a kind of papermaking the most according to claim 5, it is characterised in that: paper machine is producing
During, the slurry plain boiled water that has produced in moulding process is delivered in 1# white water chest (3), during hydraulic pulp flowing box whitewashing step,
The plain boiled water containing fiber fines through felt falls into has pulp-water to separate the fiber fines pond (5) cut off inside water receiving trough
In；By second pipe (8), the plain boiled water containing fiber fines is injected in described 2# white water chest (4).
Pulp-water utilization process in a kind of papermaking the most according to claim 6, it is characterised in that: described 2# white water chest
(4) plain boiled water in is flowed in big white water chest (1) by the second groove (10).
Pulp-water utilization process in a kind of papermaking the most according to claim 7, it is characterised in that: described 1# white water chest
And between 2# white water chest (4), be provided with the first groove (9) (3).
Pulp-water utilization process in a kind of papermaking the most according to claim 8, it is characterised in that: described second groove
(10) difference in height h is formed between bottom land height and the bottom land height of described first groove (9)；Described difference in height h be on the occasion of.
Pulp-water utilization process in a kind of papermaking the most according to claim 9, it is characterised in that: described 2# plain boiled water
Pond (4) is contained within the plain boiled water of fiber fines and first passes through relatively low the first groove (9) and supplement plain boiled water to 1# white water chest (3), white at 2#
Pond (4) interior plain boiled water liquid level is flowed in big white water chest (1) when being higher than the bottom land height of the second groove (10) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610540097.4A CN106192531B (en) | 2016-07-11 | 2016-07-11 | A kind of pulp-water utilization process in papermaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610540097.4A CN106192531B (en) | 2016-07-11 | 2016-07-11 | A kind of pulp-water utilization process in papermaking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106192531A true CN106192531A (en) | 2016-12-07 |
| CN106192531B CN106192531B (en) | 2018-05-08 |
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ID=57473412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610540097.4A Active CN106192531B (en) | 2016-07-11 | 2016-07-11 | A kind of pulp-water utilization process in papermaking |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424175A (en) * | 2019-09-04 | 2019-11-08 | 牡丹江恒丰纸业股份有限公司 | A kind of system and method handling paper machine white water and clear water |
| CN110424175B (en) * | 2019-09-04 | 2024-04-30 | 牡丹江恒丰纸业股份有限公司 | System and method for treating white water and clean water of paper machine |
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| WO2001012558A1 (en) * | 1999-08-14 | 2001-02-22 | Cognis Deutschland Gmbh | System and method for treating water circulating in open-circuit cooling systems |
| CN101153471A (en) * | 2006-09-27 | 2008-04-02 | 吴解生 | Non-process sealing circulation technology for wastewater from pulp and paper making by non-delignify reaction |
| CN201924227U (en) * | 2010-09-09 | 2011-08-10 | 中冶纸业银河有限公司 | Dilution water stabilizing device of flow box |
| CN102557159A (en) * | 2010-12-28 | 2012-07-11 | 吴解生 | Segmental short flow enclosed circulating technology without purifying treatment for papermaking wastewater |
| CN203475228U (en) * | 2013-09-12 | 2014-03-12 | 芬欧汇川(中国)有限公司 | Paper sheet making machine with white water circulating systems |
| CN204282117U (en) * | 2014-10-31 | 2015-04-22 | 东莞理文造纸厂有限公司 | A kind of mthod of white water from paper making recovery system |
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2016
- 2016-07-11 CN CN201610540097.4A patent/CN106192531B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001012558A1 (en) * | 1999-08-14 | 2001-02-22 | Cognis Deutschland Gmbh | System and method for treating water circulating in open-circuit cooling systems |
| CN101153471A (en) * | 2006-09-27 | 2008-04-02 | 吴解生 | Non-process sealing circulation technology for wastewater from pulp and paper making by non-delignify reaction |
| CN201924227U (en) * | 2010-09-09 | 2011-08-10 | 中冶纸业银河有限公司 | Dilution water stabilizing device of flow box |
| CN102557159A (en) * | 2010-12-28 | 2012-07-11 | 吴解生 | Segmental short flow enclosed circulating technology without purifying treatment for papermaking wastewater |
| CN203475228U (en) * | 2013-09-12 | 2014-03-12 | 芬欧汇川(中国)有限公司 | Paper sheet making machine with white water circulating systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110424175A (en) * | 2019-09-04 | 2019-11-08 | 牡丹江恒丰纸业股份有限公司 | A kind of system and method handling paper machine white water and clear water |
| CN110424175B (en) * | 2019-09-04 | 2024-04-30 | 牡丹江恒丰纸业股份有限公司 | System and method for treating white water and clean water of paper machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106192531B (en) | 2018-05-08 |
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