CN221167223U - High-concentration pulping and thick white water adding device - Google Patents
High-concentration pulping and thick white water adding device Download PDFInfo
- Publication number
- CN221167223U CN221167223U CN202322947774.2U CN202322947774U CN221167223U CN 221167223 U CN221167223 U CN 221167223U CN 202322947774 U CN202322947774 U CN 202322947774U CN 221167223 U CN221167223 U CN 221167223U
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- pulp
- white water
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- box
- tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000004537 pulping Methods 0.000 title abstract description 6
- 238000011010 flushing procedure Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 abstract description 3
- 239000000945 filler Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a high-concentration pulping and concentrating white water adding device, which comprises a high-level box, a pulp flushing pump and a pulp tank, wherein the high-level box is connected with a pressure screen, the pressure screen is connected with a pulp flowing box, the pulp flowing box is connected with a net lower tank, a feed inlet of the pulp flushing pump is connected with the pulp flowing box and the net lower tank, a discharge outlet of the pulp flushing pump is connected with the pressure screen, the pulp tank is connected with the pulp flowing box, a quantitative discharge valve is connected with the lower surface of the pulp flowing box, a liquid level sensor is arranged on the side surface of the pulp tank, white water and pulp in the pulp flowing box are pumped by a pulp flushing pump, the white water is recycled, fibers, fillers and clear water in the white water are recycled, the production cost of paper is reduced, the requirement of clean production is met, the white water is recycled when discharged, and then the white water is purified, so that the treated white water can reach the standard of clear water, the aim of zero discharge and no environmental pollution is achieved.
Description
Technical Field
The utility model relates to the technical field of paper towel production, in particular to a high-concentration pulping and thick white water adding device.
Background
The discharge amount of the papermaking white water is large, and if the white water is discharged without treatment, the environment is polluted, and the clean production is a necessary trend of sustainable development of the papermaking industry.
The existing high-concentration pulp grinding white water adding device in the market generally uses defoamer, bactericide and resin control agent for purification treatment in the white water discharging process after processing is finished, so that the pollution to the environment is reduced. However, the white water also contains a small amount of available fibers and fillers, and the white water is directly treated and discharged, so that the white water not only pollutes the environment, but also is a waste of resources, and the zero discharge standard is difficult to reach.
Disclosure of utility model
The utility model aims to provide a high-concentration pulping and thick white water adding device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-concentration thick white water adding device that grinds thick liquid, includes the high-order case, the high-order case is connected with the pressure sieve, the pressure sieve is connected with the head box, the head box is connected with the net lower tank, the head box is connected with the slush pump, the feed inlet of slush pump is connected with head box and net lower tank, the discharge gate of slush pump is connected with the pressure sieve, the head box still is connected with the thick liquid pond, thick liquid pond lower surface is connected with quantitative discharge valve, thick liquid pond side-mounting has the liquid level inductor;
The high-level box plays a role in stabilizing pressure, so that pressure stability of slurry entering the quantitative regulating valve is guaranteed, stability of slurry supply is improved, and the liquid level sensor can detect whether the slurry tank is full of slurry.
Further, the tail slurry port of the pressure screen is connected with a tail screen, the tail screen is connected with a pool below the screen, the tail screen is used for carrying out secondary filtration on slurry discharged by the pressure screen, tiny impurities are filtered out, the purity of the slurry is improved, and the quality of paper is improved.
Further, the under-net pond is connected with an overflow pond, the feed inlet of the flushing pump is connected with a Y-pipe, the Y-pipe is connected between the under-net pond and the overflow pond, the flushing pump pumps the concentrated white water to dilute the slurry, and the utilization efficiency of the concentrated white water is improved.
Compared with the prior art, the utility model has the beneficial effects that:
The pulp in the white water and the pulp box is pumped by the pulp pump, the pulp is diluted by the white water, the white water can be recycled, the fiber, the filler and the clean water in the white water are recycled, the production cost of paper is reduced, the requirement of clean production is met, the white water is recycled when the white water is discharged, and then the white water is purified, so that the treated white water can reach the standard of the clean water, the aim of zero emission is fulfilled, and the environment is not polluted.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a high-level box; 2. a quantitative regulating valve; 3. a pressure screen; 4. tail screen; 5. a pulp pump; 6. a headbox; 7. a slurry tank; 8. a control valve; 9. a liquid level sensor; 10. a quantitative discharge valve; 11. a pool under the net; 12. an overflow pool; 13. a concentrated white water pool.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
Referring to fig. 1, the present utility model provides a technical solution: the high-concentration pulping and concentrating white water adding device comprises a high-level box 1, wherein the high-level box 1 is connected with a pressure screen 3, the pressure screen 3 is connected with a pulp flow box 6, the pulp flow box 6 is connected with an under-net tank 11, the pulp flow box 6 is connected with a pulp flushing pump 5, a feed inlet of the pulp flushing pump 5 is connected with the pulp flow box 6 and the under-net tank 11, a discharge outlet of the pulp flushing pump 5 is connected with the pressure screen 3, the pulp flow box 6 is also connected with a pulp tank 7, the lower surface of the pulp tank 7 is connected with a quantitative discharge valve 10, and the side surface of the pulp tank 7 is provided with a liquid level sensor 9;
the high-level box 1 is used for containing slurry, and the high-level box 1 is also provided with an additional feed inlet, so that a wet strength agent is conveniently added into the high-level box 1, and the wet strength agent and the slurry are mixed;
The flushing pump 5 pumps the white water, so that the white water circulates between the under-grid pool 11 and the flushing pump 5, the white water is recycled, the white water utilization efficiency is improved, and the emission of pollutants is reduced;
The treated pulp may be stored in the pulp tank 7, and the pulp is discharged through the quantitative discharge valve 10 to supply pulp required for papermaking.
In this embodiment, as shown in fig. 1, a discharge port of the high-level tank 1 is provided with a quantitative adjusting valve 2, and the quantitative adjusting valve 2 is arranged between the high-level tank 1 and the pressure screen 3, the high-level tank 1 stabilizes the pressure of the slurry, ensures that the pressure of the slurry entering the quantitative adjusting valve 2 is stable, and reduces stirring when the slurry is quantified.
In this embodiment, as shown in fig. 1, a tail screen 4 is connected to a tail slurry port of the pressure screen 3, the tail screen 4 is connected to the under-net tank 11, the slurry discharged after the pressure screen 3 removes impurities from the slurry is treated by the tail screen 4, the residue is discharged by the tail screen 4, and the slurry enters the under-net tank 11.
In this embodiment, as shown in fig. 1, a control valve 8 is installed at the feed inlet of the pulp tank 7, and the control valve 8 is disposed between the pulp tank 7 and the headbox 6, so that the pulp discharged from the headbox 6 can quantitatively enter the pulp tank 7, and the flow rate of the pulp can be controlled.
In this embodiment, as shown in fig. 1, the under-net tank 11 is connected with an overflow tank 12, a feed port of the pulp flushing pump 5 is connected with a tri-fork pipe, the tri-fork pipe is connected between the under-net tank 11 and the overflow tank 12, and the pulp flushing pump 5 can pump white water and pulp in the pulp box 6 to be sent into the pressure screen 3.
In this embodiment, as shown in fig. 1, the overflow tank 12 is connected with a concentrated white water tank 13, and the concentrated white water tank 13 can process the concentrated white water tank 13 to make it reach the standard of clean water, and the clean water can be reused to achieve zero emission;
In this embodiment, the white water discharged from the under-net tank 11 may flow into the overflow tank 12 through a height difference, or may be pumped by a pump, and the white water in the overflow tank 12 may flow into the concentrated white water tank 13 through a height difference or a pump, and may be selected according to requirements;
The pulp pump 5 pumps the white water in the pulp box 6 and the under-net tank 11, and if the flow rate of the white water discharged from the pulp box 6 and the under-net tank 11 is required, flow valves can be respectively arranged on pipelines connecting the pulp pump 5 with the pulp box 6 and the under-net tank 11 for controlling.
Specifically, when in use, slurry received by the high-level box 1 is sent into the pressure screen 3 through the quantitative adjusting valve 2 for impurity removal, tiny impurities are filtered out, pure slurry is sent into the slurry box 6, impure slurry and white water are discharged into the tail screen 4 for secondary purification treatment, slag is discharged by the tail screen 4, and white water and a small part of slurry enter the under-net pond 11 for treatment;
The pulp with too high concentration in the pulp box 6 is pumped by the pulp pump 5, meanwhile, the pulp pump 5 also pumps the white water discharged from the under-net pool 11, the pulp with high concentration is diluted by the white water, and then the pulp is sent into the pressure screen 3 by the pulp pump 5 for purification again;
The white water discharged from the headbox 6 flows into the under-net pond 11, is pumped by the pulp flushing pump 5 and is sent into the pressure screen 3 and the headbox 6, so that the white water circularly flows in the pulp flushing pump 5, the pressure screen 3, the headbox 6 and the under-net pond 11, and the white water is circularly utilized;
When the white water in the under-net pond 11 is full, the white water flows into the overflow pond 12 for storage, and the high-concentration white water in the overflow pond 12 flows into the concentrated white water pond 13 for purification treatment, so that the concentrated white water in the concentrated white water pond 13 is treated into clear water for reuse.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a thick liquid water adding device is ground to high concentration, its characterized in that, including high-order case (1), high-order case (1) is connected with pressure sieve (3), pressure sieve (3) are connected with head box (6), head box (6) are connected with under-the-wire pond (11), head box (6) are connected with slush pump (5), the feed inlet and head box (6) of slush pump (5) are connected with under-the-wire pond (11), the discharge gate and the pressure sieve (3) of slush pump (5) are connected, head box (6) still are connected with thick liquid pond (7), thick liquid pond (7) lower surface connection has ration bleeder valve (10), liquid level inductor (9) are installed to thick liquid pond (7) side.
2. The high consistency refining and consistency white water adding device according to claim 1, wherein: the quantitative regulating valve (2) is arranged at the discharge hole of the high-level box (1), and the quantitative regulating valve (2) is arranged between the high-level box (1) and the pressure screen (3).
3. The high consistency refining and consistency white water adding device according to claim 1, wherein: the tail slurry port of the pressure screen (3) is connected with a tail screen (4), and the tail screen (4) is connected with a net lower pool (11).
4. The high consistency refining and consistency white water adding device according to claim 1, wherein: a control valve (8) is arranged at a feed inlet of the pulp tank (7), and the control valve (8) is arranged between the pulp tank (7) and the head box (6).
5. The high consistency refining and consistency white water adding device according to claim 1, wherein: the under-net pond (11) is connected with an overflow pond (12), and a feeding port of the flushing pump (5) is connected with a Y-pipe, and the Y-pipe is connected between the under-net pond (11) and the overflow pond (12).
6. The high consistency refining and consistency white water adding device according to claim 5, wherein: the overflow pool (12) is connected with a dense white pool (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322947774.2U CN221167223U (en) | 2023-10-31 | 2023-10-31 | High-concentration pulping and thick white water adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322947774.2U CN221167223U (en) | 2023-10-31 | 2023-10-31 | High-concentration pulping and thick white water adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221167223U true CN221167223U (en) | 2024-06-18 |
Family
ID=91439969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322947774.2U Active CN221167223U (en) | 2023-10-31 | 2023-10-31 | High-concentration pulping and thick white water adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221167223U (en) |
-
2023
- 2023-10-31 CN CN202322947774.2U patent/CN221167223U/en active Active
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