CN214782901U - White water treatment system - Google Patents
White water treatment system Download PDFInfo
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- CN214782901U CN214782901U CN202022817844.9U CN202022817844U CN214782901U CN 214782901 U CN214782901 U CN 214782901U CN 202022817844 U CN202022817844 U CN 202022817844U CN 214782901 U CN214782901 U CN 214782901U
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Abstract
The utility model relates to a plain boiled water processing system, including dense plain boiled water pond (1), rare plain boiled water pond (2), filter (3) and clean water basin (4), dense plain boiled water pond (1) link to each other through overflow pipe (5) with rare plain boiled water pond (2), filter (3) and clean water basin (4) link to each other in proper order through the pipeline, dense plain boiled water pond (1) connect governing pipeline (6), the clean water basin on (4) connect shower line (7) and dilute pipeline (8). Compared with the prior art, the utility model has the advantages of can reduce dense plain boiled water tank overflow, alleviate air supporting treatment pressure, reduce ton paper water consumption simultaneously, practice thrift manufacturing cost.
Description
Technical Field
The utility model relates to a papermaking technology field, concretely relates to plain boiled water processing system.
Background
The paper industry uses a considerable amount of water and is one of the important pollution sources causing environmental pollution. The white water from the paper making process in the paper making workshop mainly contains fibers, and insoluble COD particles in added fillers, coatings, sizing materials, wet strength agents and preservatives, and the direct discharge of the white water seriously pollutes water sources and also causes a great deal of resource waste.
The BF-12 paper machine is manufactured by Jiang's paper machine, Japan, and has a web width of 3.4 m and a papermaking speed of 1000m/min, and its water system is composed of thick white water, thin white water, clean water and reuse water. The concentrated white water is sent to a concentrated white water tank by a pump from an under-machine concentrated white water tank of a paper machine forming part; the dilute white water is white water generated by a vacuum suction box and low-pressure spraying of a paper machine, is pumped into a dilute white water tank, is subjected to air floatation treatment to generate recovered pulp and clarified water, and is treated into a clean water tank (reuse water tank) through a disc filter. The white water in the existing thick white water pool is pulped by pumping, and the redundant white water overflows to the thin white water pool. The water in the clean water tank can be used for low-pressure spraying, PEO dilution, slurry concentration adjustment and the like of the paper feeder.
However, the white water in the thick white water tank is only used for pulping, the surplus is large, a lot of thick white water overflows to the thin white water tank, and the treatment of the thin white water is difficult due to the high content of fine fibers in the thick white water; in addition, the water in the clean water tank has multiple purposes, continuous water use and large water consumption, so that the reuse water amount treated by the filter is insufficient, and the clean water needs to be supplemented frequently, so that the water consumption is high and the production cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a plain boiled water processing system in order to overcome the defect that above-mentioned prior art exists, can reduce dense plain boiled water pond overflow, alleviate air supporting treatment pressure, reduce ton paper water consumption simultaneously, practice thrift manufacturing cost.
The purpose of the utility model can be realized through the following technical scheme: the utility model provides a white water processing system, includes dense white water pond, thin white water pond, filter and clean water basin, dense white water pond and thin white water pond pass through the overflow pipe and link to each other, thin white water pond, filter and clean water basin pass through the pipeline and link to each other in proper order, dense white water pond connect the regulating line, the clean water basin on connect spray line and dilution pipeline. The adjusting pipeline is arranged on the thick white water tank, so that the white water in the thick white water tank can be used in a balance manner, the overflow is reduced, the air floatation treatment pressure of the thin white water tank is reduced, meanwhile, the clear water tank is only connected with the spraying pipeline and the diluting pipeline, the requirement on recycled water can be reduced, the recycled water in the clear water tank can be basically used in a balance manner, clear water does not need to be supplemented, the water consumption per ton of paper is reduced, and the production cost is saved.
Furthermore, the adjusting pipeline is connected with a slurry concentration adjusting device, the spraying pipeline is connected with a low-pressure spraying device of the paper feeder, and the diluting pipeline is connected with a PEO diluting device.
Furthermore, the adjusting pipeline is also connected with an external water supply tank, a first adjusting valve is arranged at the joint of the adjusting pipeline and the concentrated white water tank, and a second adjusting valve is arranged at the joint of the adjusting pipeline and the external water supply tank.
The first regulating valve and the second regulating valve are both connected with a controller, and the controller controls the opening degree of the first regulating valve and the opening degree of the second regulating valve. The controller adjusts the opening of the two valves, so that the water yield of the concentrated white water tank from the adjusting pipeline and the water yield of the external water supply tank can be adjusted, the concentration adjustment of the slurry is efficiently realized, meanwhile, the white water amount in the concentrated white water tank can be adjusted, the overflow process is adjusted, and the integral controllability of the system is improved.
The top of the concentrated white water tank is provided with an overflow weir, one end of the overflow pipe is connected with the overflow weir, the other end of the overflow pipe is arranged at the top of the dilute white water tank, and the adjusting pipeline is arranged at the bottom of the concentrated white water tank.
The dilute white water tank is internally provided with an air dissolving pipe and an air floating tank, and the air dissolving pipe is uniformly distributed in the air floating tank.
The air dissolving pipe is connected with a pressure reducing valve to ensure that the pressure of the air dissolving pipe is 40-60N/cm2。
The top of the dilute white water tank is provided with a rotary slag scraper, the bottom of the dilute white water tank is provided with a sludge bucket, the sludge bucket is connected with a sludge discharge valve, and the filter is connected with the middle part of the dilute white water tank.
The filter is a disc filter, the model is JY3-10, and 20-32 filter discs are arranged on the disc filter.
The overflow pipe, the pipeline, the adjusting pipeline, the spraying pipeline and the diluting pipeline are all provided with vacuum pumps.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses a plain boiled water processing system can greatly reduce ton paper water consumption, reduces original about 20 tons of water/ton paper to about 10 tons of water/ton paper, environmental protection and saving manufacturing cost;
2. the utility model can reduce overflow, fine fiber in the thin white water tank, reduce the water treatment difficulty of air floatation and improve the water making quality of water circulation;
3. the utility model discloses a to the transformation of former processing system, it is convenient to reform transform, and easy operation is carried out, and reforms transform the expense low.
Drawings
Fig. 1 is a schematic structural view of a white water treatment system of the present invention;
in the figure: 1-concentrated white water tank, 2-diluted white water tank, 3-filter, 4-clear water tank, 5-overflow pipe, 6-adjusting pipeline, 61-first adjusting valve, 62-second adjusting valve, 7-spraying pipeline, 8-diluting pipeline, 9-slurry concentration adjusting device, 10-low-pressure spraying device, 11-PEO diluting device and 12-external water supply tank.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples.
Example 1
A whitewater processing system, as shown in fig. 1, comprising: the system comprises a concentrated white water tank 1, a dilute white water tank 2, a filter 3, a clean water tank 4, an overflow pipe 5, an adjusting pipeline 6, a first adjusting valve 61, a second adjusting valve 62, a spraying pipeline 7, a diluting pipeline 8, a slurry concentration adjusting device 9, a low-pressure spraying device 10, a PEO diluting device 11 and an external water supply tank 12.
The thick white water tank 1 is connected with the thin white water tank 2 through an overflow pipe 5, and the thick white water in the thick white water tank 1 can flow into the thin white water tank 2 after overflowing. The thick white water tank 1 is also connected with a slurry concentration adjusting device 9 through an adjusting pipeline 6, and part of thick white water in the thick white water tank 1 is reused, so that overflow can be reduced, and the air floatation treatment pressure of the thin white water tank 2 is reduced. In particular, the adjusting pipeline 6 is also connected with the external water supply tank 12, a first adjusting valve 61 is arranged at the joint of the adjusting pipeline 6 and the thick white water tank 1, a second adjusting valve 62 is arranged at the joint of the adjusting pipeline 6 and the external water supply tank 12, the water outlet amount of the thick white water tank 1 and the external water supply tank 12 is adjusted, and the adjustment of the concentration of the pulp is realized efficiently. After the white water in the thin white water tank 2 is subjected to air floatation treatment, the generated clear water flows into the filter 3 through a pipeline, the filter 3 is a disc filter, the clear water is subjected to filtration treatment, the filtered water flows into the clear water tank 4 through a pipeline, the clear water tank 4 is connected with the low-pressure spraying device 10 through the spraying pipeline 7, the PEO dilution device 11 is connected through the dilution pipeline 8, and the water in the clear water tank is recycled.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The white water treatment system comprises a thick white water tank (1), a thin white water tank (2), a filter (3) and a clean water tank (4), and is characterized in that the thick white water tank (1) is connected with the thin white water tank (2) through an overflow pipe (5), the thin white water tank (2), the filter (3) and the clean water tank (4) are sequentially connected through pipelines, the thick white water tank (1) is connected with an adjusting pipeline (6), and the clean water tank (4) is connected with a spraying pipeline (7) and a diluting pipeline (8).
2. The whitewater processing system of claim 1, wherein the conditioning line (6) is connected to a slurry concentration conditioning device (9), the spray line (7) is connected to a low pressure spray (10) of a paper feeder, and the dilution line (8) is connected to a PEO dilution device (11).
3. The white water processing system according to claim 2, characterized in that the adjusting pipeline (6) is further connected with an external water supply tank (12), a first adjusting valve (61) is arranged at the connection of the adjusting pipeline (6) and the concentrated white water tank (1), and a second adjusting valve (62) is arranged at the connection of the adjusting pipeline (6) and the external water supply tank (12).
4. The white water processing system according to claim 3, wherein the first regulating valve (61) and the second regulating valve (62) are connected to a controller, and the controller controls the opening degree of the first regulating valve (61) and the second regulating valve (62).
5. The white water processing system according to claim 1, wherein the top of the concentrated white water tank (1) is provided with an overflow weir, one end of the overflow pipe (5) is connected with the overflow weir, the other end is arranged at the top of the dilute white water tank (2), and the adjusting line (6) is arranged at the bottom of the concentrated white water tank (1).
6. The white water processing system according to claim 1, characterized in that an air dissolving pipe and an air flotation tank are arranged in the dilute white water tank (2), and the air dissolving pipe is uniformly distributed in the air flotation tank.
7. The white water treatment system according to claim 6, wherein the air dissolving pipe is connected with a pressure reducing valve to ensure that the pressure of the air dissolving pipe is 40-60N/cm2。
8. The white water treatment system according to claim 6, wherein a rotary scum scraper is arranged at the top of the dilute white water tank (2), a sludge hopper is arranged at the bottom of the dilute white water tank, the sludge hopper is connected with a sludge discharge valve, and the filter (3) is connected with the middle part of the dilute white water tank (2).
9. The white water processing system according to claim 1, wherein the filter (3) is a disc filter, model number JY3-10, and 20-32 filter discs are arranged on the disc filter.
10. The white water processing system according to claim 1, wherein vacuum pumps are provided on the overflow pipe (5), the pipes, the adjusting pipe (6), the spraying pipe (7) and the diluting pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022817844.9U CN214782901U (en) | 2020-11-30 | 2020-11-30 | White water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022817844.9U CN214782901U (en) | 2020-11-30 | 2020-11-30 | White water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214782901U true CN214782901U (en) | 2021-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022817844.9U Active CN214782901U (en) | 2020-11-30 | 2020-11-30 | White water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214782901U (en) |
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2020
- 2020-11-30 CN CN202022817844.9U patent/CN214782901U/en active Active
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