CN204174472U - A kind for the treatment of apparatus of paper machine white water - Google Patents
A kind for the treatment of apparatus of paper machine white water Download PDFInfo
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- CN204174472U CN204174472U CN201420644029.9U CN201420644029U CN204174472U CN 204174472 U CN204174472 U CN 204174472U CN 201420644029 U CN201420644029 U CN 201420644029U CN 204174472 U CN204174472 U CN 204174472U
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Abstract
The utility model discloses a kind of paper machine white water treating apparatus, described paper machine white water treating apparatus comprises: machine water pond, and it is for collecting web part of paper machine plain boiled water; Polydisc thickener, it is for the treatment of the plain boiled water in described machine water pond, and described machine water pond plain boiled water produces underflow, turbid plain boiled water, pure water after the process of polydisc thickener; Air floatation machine, it is for carrying out air-flotation process by pure water, plain boiled water through air-flotation process is delivered to paper machine room recycling, is provided with one second white water pump, is transported in air floatation machine with the pure water produced by polydisc thickener between described polydisc thickener and air floatation machine; An aluminium polychloride adding set is provided with between described polydisc thickener and the second white water pump; Described air floatation machine porch is provided with a cationic flocculant adding set.
Description
Technical field
the utility model relates to a kind of paper machine white water treating apparatus.
Background technology
in the paper technology of prior art, after white water system utilizes, in plain boiled water, sicker and anionic trash increase, and cause wet-end chemicals consumption to increase.In production process, sicker is easily bonded on forming web, felt, and wet end is shaping bad, and felt banner dehydration inequality and water separation capability decline, and causes paper-forming evenness, banner moisture content inequality and paper machine operation.Especially in the winter time, paper machine is regularly shut down, and cleans the sicker on dry net and felt, has a strong impact on paper machine production capacity.Sicker adheres to above paper simultaneously, can produce paper defects, affect the use of paper, supplement clear water to replace plain boiled water, improve plain boiled water cleannes through machine water pond of being everlasting, and reduces the sicker in plain boiled water and anionic trash.
Summary of the invention
technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides a kind of
for solving above technical problem, the utility model takes following technical scheme:
a kind of paper machine white water treating apparatus, described paper machine white water treating apparatus comprises:
machine water pond, it is for collecting web part of paper machine plain boiled water;
polydisc thickener, it is for the treatment of the plain boiled water in described machine water pond, and described machine water pond plain boiled water produces underflow, turbid plain boiled water, pure water after the process of polydisc thickener;
air floatation machine, it is for carrying out air-flotation process by pure water, and the plain boiled water through air-flotation process is delivered to paper machine room recycling,
be provided with one second white water pump between described polydisc thickener and air floatation machine, be transported in air floatation machine with the pure water that polydisc thickener is produced; An aluminium polychloride adding set is provided with between described polydisc thickener and the second white water pump; Described air floatation machine porch is provided with a cationic flocculant adding set.
preferably, described paper machine white water treating apparatus also comprises: for collecting the paper machine pond with slurry of the underflow exported by polydisc thickener; For collecting the turbid white water chest of the turbid plain boiled water exported by polydisc thickener; For collecting the pure tank pond of the pure water exported by polydisc thickener.
preferably, described paper machine white water treating apparatus also comprises: be arranged on the first white water pump, control valve, the flowmeter between described machine water pond and polydisc thickener, the first described white water pump is used for the plain boiled water in described machine water pond to be delivered in polydisc thickener, and described control valve and flowmeter are for controlling the plain boiled water flow entering polydisc thickener.
preferably, described paper machine white water treating apparatus also comprises: for collecting the back flow water pump of the plain boiled water through air-flotation process after being arranged on described air floatation machine.
due to the enforcement of above technical scheme, the utility model compared with prior art tool has the following advantages:
plain boiled water in machine water pond is through polydisc thickener and air-flotation process, plain boiled water fine impurities point, sicker and anionic trash obviously reduce, plain boiled water cleannes improve, wet-end chemicals consumption reduces, wet end is shaping to have some improvement with press section dehydration, becomes the quality of paper and paper machine operation efficiency to improve.Become paper to reduce because of sicker paper defects relevant with impure point, reduce by the clear water displacement machine water frequency, having saved clear water, having avoided white-water system to cause temperature fluctuation because adding clear water, cause wet end dehydration fluctuation and waste paper pulp-making slurry quality, become the quality of paper more stable.
Accompanying drawing explanation
fig. 1 is the structural representation of a kind of paper machine white water treating apparatus of the utility model,
wherein: 1, papermaking wire-cloth; 2, machine water pond; 3, polydisc thickener; 4, air floatation machine; 5, paper machine pond with slurry; 6, turbid white water chest; 7, pure pond; 8, polydisc bed course stock pump; 9, back flow water pump; 10, paper machine white water groove; 11, secondary stock line; 12, the first white water pump; 13, the second white water pump; 14, the 3rd white water pump; 15, aluminium polychloride adding set; 16, cationic flocculant adding set.
Detailed description of the invention
the processing method of a kind of paper machine white water that the utility model provides, comprises the following steps:
(1) papermaking wire-cloth 1 plain boiled water produced of paper machine room is delivered to machine water pond;
(2) plain boiled water in machine water pond produces underflow after being delivered to polydisc thickener 3, turbid plain boiled water, pure water, described underflow, turbid plain boiled water, pure water enters paper machine pond 5 with slurry respectively, turbid white water chest 6, pure pond 7, one first white water pump 12 is provided with between described machine water pond 2 and polydisc thickener 3, control valve is provided with regulating pondage between machine water pond 2 and white water pump, control valve and flowmeter is provided with to control the flow of plain boiled water between the first described white water pump 12 and polydisc thickener 3, in order to increase fiber content in polydisc thickener 3, polydisc thickener 3 is also connected with a polydisc bed course stock pump 8, to add bed course slurry in polydisc thickener 3, the flow that control valve and flowmeter are starched to regulate bed course is provided with between polydisc bed course stock pump 8 and polydisc thickener 3,
(3) pure water is delivered to air floatation machine 4 after air-flotation process with being delivered to paper machine room recycling, the second white water pump 13 is provided with between pure pond 7 and air floatation machine 4, a control valve is provided with between the second white water pump 13 and pure pond 7, and an aluminium polychloride adding set 15, to add aluminium polychloride in pure water, aluminium polychloride can reduce the content of anion in pure water, control valve is provided with between the second white water pump 13 and air floatation machine 4, flowmeter, cationic flocculant adding set 16, wherein cationic flocculant adding set 16 is arranged on the porch of air floatation machine 4.Plain boiled water after the air-flotation process of air floatation machine 4 is delivered in back flow water pump 9.In the effect through the 3rd white water pump 14, plain boiled water is delivered to paper machine room and recycles, in one embodiment, the plain boiled water in back flow water pump 9 is transported to paper machine white water groove 10 and secondary stock line 11 is recycled respectively through the 3rd white water pump 14.
underflow in paper machine pond with slurry 5 is delivered to pond with slurry and reclaims as pulping;
the input that turbid plain boiled water in turbid white water chest 6 is delivered to machine water pond 2 or polydisc thickener 3 carries out reprocessing through polydisc thickener 3.
in above embodiment, the fiber content of the plain boiled water that papermaking wire-cloth 1 is discharged is 0.25% ~ 0.35%, the fiber content of the bed course slurry of polydisc bed course stock pump 8 is 3.2% ~ 3.8%, the plain boiled water of described papermaking wire-cloth 1 and bed course are starched and are all transfused in polydisc thickener, and the fiber content of the plain boiled water in polydisc thickener is controlled by control valve and flowmeter.The fiber content of the underflow concentrating out through polydisc thickener is 3.8% ~ 4.2%, and the fiber content of turbid plain boiled water is 0.2% ~ 0.25%, and the fiber content of the pure water that polydisc thickener is got rid of is 0.04% ~ 0.08%.Pure water, by adding aluminium polychloride, decreases the content of wherein anion, adds cationic flocculant afterwards, produces flocculate.After the air-flotation process in air floatation machine 4, the fiber content in pure water reduces about 85%.Air supporting is to the clearance of fine impurities point, sicker and anionic trash, and controlled by the addition of adjustment aluminium polychloride and cationic flocculant, consumption strengthens, and clearance improves.
plain boiled water in machine water pond 2 is through polydisc thickener and air-flotation process, plain boiled water fine impurities point, sicker and anionic trash obviously reduce, plain boiled water cleannes improve, wet-end chemicals consumption reduces, wet end is shaping to have some improvement with press section dehydration, becomes the quality of paper and paper machine operation efficiency to improve.Become paper to reduce because of sicker paper defects relevant with impure point, reduce by the clear water displacement machine water frequency, having saved clear water, having avoided white-water system to cause temperature fluctuation because adding clear water, cause wet end dehydration fluctuation and waste paper pulp-making slurry quality, become the quality of paper more stable.
above the utility model is described in detail, but the utility model is not limited to the above embodiments.All equivalences done according to Spirit Essence of the present utility model change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (4)
1. a paper machine white water treating apparatus, is characterized in that: described paper machine white water treating apparatus comprises:
Machine water pond, it is for collecting web part of paper machine plain boiled water;
Polydisc thickener, it is for the treatment of the plain boiled water in described machine water pond, and described machine water pond plain boiled water produces underflow, turbid plain boiled water, pure water after the process of polydisc thickener;
Air floatation machine, it is for carrying out air-flotation process by pure water, and the plain boiled water through air-flotation process is delivered to paper machine room recycling,
Be provided with one second white water pump between described polydisc thickener and air floatation machine, be transported in air floatation machine with the pure water that polydisc thickener is produced; An aluminium polychloride adding set is provided with between described polydisc thickener and the second white water pump; Described air floatation machine porch is provided with a cationic flocculant adding set.
2. a kind of paper machine white water treating apparatus according to claim 1, is characterized in that: described paper machine white water treating apparatus also comprises: for collecting the paper machine pond with slurry of the underflow exported by polydisc thickener; For collecting the turbid white water chest of the turbid plain boiled water exported by polydisc thickener; For collecting the pure tank pond of the pure water exported by polydisc thickener.
3. a kind of paper machine white water treating apparatus according to claim 2, it is characterized in that: described paper machine white water treating apparatus also comprises: be arranged on the first white water pump, control valve, the flowmeter between described machine water pond and polydisc thickener, the first described white water pump is used for the plain boiled water in described machine water pond to be delivered in polydisc thickener, and described control valve and flowmeter are for controlling the plain boiled water flow entering polydisc thickener.
4. a kind of paper machine white water treating apparatus according to claim 3, is characterized in that: described paper machine white water treating apparatus also comprises: for collecting the back flow water pump of the plain boiled water through air-flotation process after being arranged on described air floatation machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420644029.9U CN204174472U (en) | 2014-10-31 | 2014-10-31 | A kind for the treatment of apparatus of paper machine white water |
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| CN201420644029.9U CN204174472U (en) | 2014-10-31 | 2014-10-31 | A kind for the treatment of apparatus of paper machine white water |
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| CN204174472U true CN204174472U (en) | 2015-02-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400570A (en) * | 2016-11-02 | 2017-02-15 | 芬欧汇川(中国)有限公司 | Paper machine system |
| CN112301780A (en) * | 2020-09-18 | 2021-02-02 | 江苏理文造纸有限公司 | Anionic garbage control process for papermaking system |
| CN113860459A (en) * | 2021-11-09 | 2021-12-31 | 浙江景兴纸业股份有限公司 | Water-saving method for producing bleached pulp fine dried noodle cardboard paper |
-
2014
- 2014-10-31 CN CN201420644029.9U patent/CN204174472U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400570A (en) * | 2016-11-02 | 2017-02-15 | 芬欧汇川(中国)有限公司 | Paper machine system |
| CN106400570B (en) * | 2016-11-02 | 2018-03-23 | 芬欧汇川(中国)有限公司 | Paper machine system |
| CN112301780A (en) * | 2020-09-18 | 2021-02-02 | 江苏理文造纸有限公司 | Anionic garbage control process for papermaking system |
| CN113860459A (en) * | 2021-11-09 | 2021-12-31 | 浙江景兴纸业股份有限公司 | Water-saving method for producing bleached pulp fine dried noodle cardboard paper |
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