CN104250942A - Sludge recycling technology for small and medium packaging paper plants - Google Patents
Sludge recycling technology for small and medium packaging paper plants Download PDFInfo
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- CN104250942A CN104250942A CN201310254740.3A CN201310254740A CN104250942A CN 104250942 A CN104250942 A CN 104250942A CN 201310254740 A CN201310254740 A CN 201310254740A CN 104250942 A CN104250942 A CN 104250942A
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Abstract
The invention aims to provide a sludge recycling technology for small and medium packaging paper plants. The sludge recycling technology for the small and medium packaging paper plants saves a large amount of papermaking raw materials, completely eradicates environmental secondary pollution caused by outward sludge transportation and landfill and can completely recycle the sludge. The sludge recycling technology for the small and medium packaging paper plants comprises the following steps of step one, collecting: collecting sludge slurry in a sewage settling pond of a sewage treatment workshop, sending the sludge slurry to a slurry pond and enabling the concentration to be about 0.5%; step two, processing: adding slime pulp control agent into the slurry pond with a proportion of one of ten thousand of the sludge quantity, removing large sundries through a vibrating screen (the screen mesh diameter is 2mm), sending to a 606 desander to remove sand and sending to a sludge slurry feeding pond; step three, adding well dissolved CPAM with the concentration of 0.1% to the sludge slurry feeding pond with the proportion of 0.1 to 0.2% of the sludge quantity to obtain mixed liquor with sludge flocculant poly group particles after being uniformly mixed, online adding the mixed liquor to a straight pipe section between a paper machine mesh front press screen and a headbox through a screw pump, mixing the mixed liquor and meshing slurry to be uniformly meshed, dehydrating to form wet paper and forming paper through a pressing portion and a drying portion.
Description
Technical field
The present invention relates to the boxboard production field of below middle-size and small-size fluting medium, cop tube paper, B level, particularly relate to a kind of middle-size and small-size packaging paper plant mud reuse technology.
Background technology
The mud that papermaking enterprise sewage disposal produces is generally with after filter press dehydration, mud is pressed into moisture at the mud outward transport landfill of 85%, causes secondary pollution to environment.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide and a kind ofly both save a large amount of paper making raw materials, stopped again the secondary pollution that mud outward transport landfill causes environment, by the middle-size and small-size packaging paper plant mud reuse technology of mud fully recovering.
Middle-size and small-size packaging paper plant of the present invention mud reuse technology, comprises the following steps:
S1. collect: the sludge slurry collecting sewage treatment plant detention tank, control the concentration of sludge slurry at 0.4-0.6%, send into mud stock tank;
S2. process: the slime-control agent adding sludge quantity 1/0,000 in mud stock tank, slime-control agent is organic bromine compounds XZ301, and market can be purchased, and 1/0,000 refer to the ratio of slime-control agent to mud oven-dry weight; Then removing large foreign material through vibrating screen (sieve aperture φ 2mm), entering the 606 sand cleaning machine removing grains of sand, finally entering sludge slurry feed tank;
S3. in sludge slurry feed tank, the CPAM (relative molecular weight 1000 ± 500,000 of the concentration 0.1% of having dissolved is added in the ratio of the 0.1-0.2% of sludge quantity, ion degree 10-15%), after mixing, obtain a kind of mixed liquor with mud wadding clustered particles, this mixed liquor screw pump is joined online the straight length between pressurized screen and head box before paper machine net, object in this as addition point is broken in order to reduce mud wadding agglomerate, online is mixed again with online slurry, be dehydrated into l Water Paper page, then become paper through press section, drying section.
By such scheme, middle-size and small-size packaging paper plant of the present invention mud reuse technology at least has the following advantages:
What key point of the present invention was that sludge slurry adopts is the selection of the system addition point of independent process system and pulping and paper-making, general is all that the mud reclaimed is mixed into hydrabrusher and adds from the system first step, system retention is low, go at the easy again a large amount of sewage recovery workshop of getting back to of pulping system, cause iterative cycles in systems in which, worsen system water quality.The mud that reuse of the present invention produces in producing, both a large amount of paper making raw materials had been saved, stop again the secondary pollution that mud outward transport landfill causes environment, by mud fully recovering, be a little input, return greatly, be medium and small corrugated paper, optimal selection that cop tube paper, boxboard manufacturing enterprise reduced costs and solved environmental issue.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's middle-size and small-size packaging paper plant mud reuse technology.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Shown in Figure 1, a kind of middle-size and small-size packaging paper plant mud reuse technology, comprises the following steps,
S1. collect: the sludge slurry collecting sewage treatment plant detention tank, control the concentration of sludge slurry at 0.4-0.6%, send into mud stock tank;
S2. process: the slime-control agent adding sludge quantity 1/0,000 in mud stock tank, slime-control agent is organic bromine compounds XZ301, and market can be purchased, and 1/0,000 refer to the ratio of slime-control agent to mud oven-dry weight; Then removing large foreign material through vibrating screen (sieve aperture φ 2mm), entering the 606 sand cleaning machine removing grains of sand, finally entering sludge slurry feed tank;
S3. in sludge slurry feed tank, the CPAM (relative molecular weight 1000 ± 500,000 of the concentration 0.1% of having dissolved is added in the ratio of the 0.1-0.2% of sludge quantity, ion degree 10-15%), after mixing, obtain a kind of mixed liquor with mud wadding clustered particles, this mixed liquor screw pump is joined online the straight length between pressurized screen and head box before paper machine net, object in this as addition point is broken in order to reduce mud wadding agglomerate, online is mixed again with online slurry, be dehydrated into l Water Paper page, then become paper through press section, drying section.
The mud that reuse of the present invention produces in producing, both a large amount of paper making raw materials had been saved, stop again the secondary pollution that mud outward transport landfill causes environment, by mud fully recovering, be a little input, return greatly, be medium and small corrugated paper, optimal selection that cop tube paper, boxboard manufacturing enterprise reduced costs and solved environmental issue.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (3)
1. a middle-size and small-size packaging paper plant mud reuse technology, is characterized in that: comprise the following steps,
S1. collect: the sludge slurry collecting sewage treatment plant detention tank, control the concentration of sludge slurry at 0.4-0.6%, send into mud stock tank;
S2. process: the slime-control agent adding sludge quantity 1/0,000 in mud stock tank, slime-control agent is organic bromine compounds XZ301, and 1/0,000 refer to the ratio of slime-control agent to mud oven-dry weight; Then removing large foreign material through vibrating screen, entering the 606 sand cleaning machine removing grains of sand, finally entering sludge slurry feed tank;
S3. in sludge slurry feed tank, the CPAM of the concentration 0.1% of having dissolved is added in the ratio of the 0.1-0.2% of sludge quantity, after mixing, obtain a kind of mixed liquor with mud wadding clustered particles, this mixed liquor screw pump is joined online the straight length between pressurized screen and head box before paper machine net, online is mixed again with online slurry, be dehydrated into l Water Paper page, then become paper through press section, drying section.
2. middle-size and small-size packaging paper plant according to claim 1 mud reuse technology, is characterized in that: the relative molecular weight 1000 ± 500,000, ion degree 10-15% of CPAM.
3. middle-size and small-size packaging paper plant according to claim 1 mud reuse technology, is characterized in that: the sieve diameter of vibrating screen is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254740.3A CN104250942B (en) | 2013-06-25 | 2013-06-25 | Middle-size and small-size packaging paper plant mud reuse technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254740.3A CN104250942B (en) | 2013-06-25 | 2013-06-25 | Middle-size and small-size packaging paper plant mud reuse technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104250942A true CN104250942A (en) | 2014-12-31 |
| CN104250942B CN104250942B (en) | 2016-08-24 |
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| CN201310254740.3A Expired - Fee Related CN104250942B (en) | 2013-06-25 | 2013-06-25 | Middle-size and small-size packaging paper plant mud reuse technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445420A (en) * | 2017-07-24 | 2017-12-08 | 佛山金盛联合纸业有限公司 | A kind of reuse method of paper mill sludge |
| CN108004830A (en) * | 2017-11-29 | 2018-05-08 | 犍为三环纸业有限责任公司 | A kind of method for recycling paper mill sludge and making corrugated paper |
| CN116289299A (en) * | 2023-03-30 | 2023-06-23 | 陕西东方环保产业集团东鹏再生资源利用有限公司 | Papermaking method for recycling papermaking sludge by adopting wrapping method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4410573A (en) * | 1981-03-16 | 1983-10-18 | Narymskaya Regina A | Board made of fibrous material |
| US5772847A (en) * | 1995-10-24 | 1998-06-30 | Stone-Consolidated (Us) Corporation | Method for forming pulp from processed recycled fibers |
| US5795377A (en) * | 1997-04-08 | 1998-08-18 | Kimberly-Clark Worldwide, Inc. | Method for modifying papermaking sludge and products made from modified papermaking sludge |
| CN1247916A (en) * | 1999-08-17 | 2000-03-22 | 陈启松 | Paper-making sludge recovering and reusing equipment |
| CN1263182A (en) * | 2000-01-21 | 2000-08-16 | 陈启松 | Paper-making microfibre recovering device |
| CN1407174A (en) * | 2001-08-23 | 2003-04-02 | 俞建虎 | Nanometer regenerated mud paper |
| CN1423013A (en) * | 2001-12-04 | 2003-06-11 | 谢浩然 | Secondary fiber papermaking waste water zero-discharge technology |
| CN1524145A (en) * | 2001-05-08 | 2004-08-25 | - | Method for recycling pulp rejects |
| CN202055090U (en) * | 2011-02-25 | 2011-11-30 | 福建省晋江优兰发纸业有限公司 | Sewage-free drainage system for paper making |
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2013
- 2013-06-25 CN CN201310254740.3A patent/CN104250942B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4410573A (en) * | 1981-03-16 | 1983-10-18 | Narymskaya Regina A | Board made of fibrous material |
| US5772847A (en) * | 1995-10-24 | 1998-06-30 | Stone-Consolidated (Us) Corporation | Method for forming pulp from processed recycled fibers |
| US5795377A (en) * | 1997-04-08 | 1998-08-18 | Kimberly-Clark Worldwide, Inc. | Method for modifying papermaking sludge and products made from modified papermaking sludge |
| CN1247916A (en) * | 1999-08-17 | 2000-03-22 | 陈启松 | Paper-making sludge recovering and reusing equipment |
| CN1263182A (en) * | 2000-01-21 | 2000-08-16 | 陈启松 | Paper-making microfibre recovering device |
| CN1524145A (en) * | 2001-05-08 | 2004-08-25 | - | Method for recycling pulp rejects |
| CN1407174A (en) * | 2001-08-23 | 2003-04-02 | 俞建虎 | Nanometer regenerated mud paper |
| CN1423013A (en) * | 2001-12-04 | 2003-06-11 | 谢浩然 | Secondary fiber papermaking waste water zero-discharge technology |
| CN202055090U (en) * | 2011-02-25 | 2011-11-30 | 福建省晋江优兰发纸业有限公司 | Sewage-free drainage system for paper making |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445420A (en) * | 2017-07-24 | 2017-12-08 | 佛山金盛联合纸业有限公司 | A kind of reuse method of paper mill sludge |
| CN108004830A (en) * | 2017-11-29 | 2018-05-08 | 犍为三环纸业有限责任公司 | A kind of method for recycling paper mill sludge and making corrugated paper |
| CN116289299A (en) * | 2023-03-30 | 2023-06-23 | 陕西东方环保产业集团东鹏再生资源利用有限公司 | Papermaking method for recycling papermaking sludge by adopting wrapping method |
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| Publication number | Publication date |
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| CN104250942B (en) | 2016-08-24 |
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