CN211285055U - A pressure screen for paper pulp edulcoration is handled - Google Patents
A pressure screen for paper pulp edulcoration is handled Download PDFInfo
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- CN211285055U CN211285055U CN201922125651.4U CN201922125651U CN211285055U CN 211285055 U CN211285055 U CN 211285055U CN 201922125651 U CN201922125651 U CN 201922125651U CN 211285055 U CN211285055 U CN 211285055U
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- screen
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- pipe
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- pulp
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- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 28
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000002351 wastewater Substances 0.000 claims description 20
- 239000002002 slurry Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000654 additive Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of filter sieves, in particular to a pressure sieve for impurity removal treatment of paper pulp, which comprises a frame, a base, a shell, a screen, a spherical seat, a stirrer, a pulp inlet pipe, a pulp outlet pipe, a blow-off pipe and a top discharge pipe; the base is fixed on the top of the frame and has a certain thickness; the top and the periphery of the shell are closed, the lower end of the shell is sealed and fixed on the top surface of the base, the top of the shell is communicated with the top discharge pipe, and the bottom of the shell is communicated with the pulp outlet pipe; the screen cloth is located the shell inside and keeps the certain distance with the shell inner wall, the top of screen cloth has the filtration hole all around, the lower extreme is sealed to be fixed at the base top surface, advance the thick liquid pipe after passing the shell with the screen cloth after, with the upper portion intercommunication of screen cloth inner chamber, the sphere seat is fixed in the bottom of screen cloth inner chamber and the external diameter suits with the screen cloth internal diameter, the top system of sphere seat has the sphere, the blow off pipe passes behind shell and the screen cloth and is connected with the low point of sphere, the agitator stretches into and stirs in the screen cloth inner chamber.
Description
Technical Field
The utility model belongs to the technical field of the filter sieve technique and specifically relates to a pressure sieve for paper pulp edulcoration is handled.
Background
The paper pulp waste water of paper making section is from paper making process of paper making workshop, and is the waste water discharged from paper machine wire section during paper making, its colour is white and is known as white water in the industry. The paper pulp waste water mainly contains fine fiber, filler, coating, dissolved wood components, additives such as sizing material, wet strength agent, preservative and the like, and a certain amount of silt and other impurities which are insoluble in water exist. Papermaking is a high energy consumption industry, in the actual production process, a large amount of paper pulp wastewater can be produced every day, and from the perspective of environmental protection, paper pulp wastewater can be recycled by factories, so that water resources and paper pulp are saved. When the waste water is recycled, the pulp waste water needs to be treated, water and pulp (additives are dissolved in water) are reserved, impurities such as silt are removed, and then the pulp waste water is sent to a papermaking workshop for recycling.
Disclosure of Invention
The utility model aims at overcoming not enough among the above-mentioned background art, providing a pressure screen for paper pulp edulcoration is handled, can get rid of the impurity in the paper pulp waste water to in the middle of sneaking into the paper pulp of papermaking with impurity, improve the quality of paper.
The technical purpose of the utility model is realized like this: a pressure screen for impurity removal treatment of paper pulp comprises a frame, a base, a shell, a screen, a spherical seat, a stirrer, a pulp inlet pipe, a pulp outlet pipe, a blow-off pipe and a top discharge pipe; the base is fixed on the top of the frame and has a certain thickness; the top and the periphery of the shell are closed, the lower end of the shell is sealed and fixed on the top surface of the base, the top of the shell is communicated with the top discharge pipe, and the bottom of the shell is communicated with the pulp outlet pipe; the screen cloth is located the shell inside and keeps the certain distance with the shell inner wall, the top of screen cloth has the filtration hole all around, the lower extreme is sealed to be fixed at the base top surface, advance the thick liquid pipe after passing the shell with the screen cloth after, with the upper portion intercommunication of screen cloth inner chamber, the sphere seat is fixed in the bottom of screen cloth inner chamber and the external diameter suits with the screen cloth internal diameter, the top system of sphere seat has the sphere, the blow off pipe passes behind shell and the screen cloth and is connected with the low point of sphere, the agitator stretches into and stirs in the screen cloth inner chamber.
Preferably, the stirrer comprises a stirring shaft and an impeller, the stirring shaft penetrates through the base and the spherical seat from bottom to top and then extends into the inner cavity of the screen, the impeller is arranged at the upper end of the stirring shaft, and the lower end of the stirring shaft is connected with the motor through a belt wheel and a belt.
Preferably, a bearing is arranged between the stirring shaft and the base, an upper sealing gasket is arranged at the upper end of the bearing, a lower sealing gasket is arranged at the lower end of the bearing, a sealing plate is arranged at the bottom of the lower sealing gasket, and the sealing plate is fixedly connected with the base through a bolt.
Preferably, a copper sleeve is arranged between the stirring shaft and the spherical seat.
Preferably, a drain valve is arranged on the drain pipe.
Preferably, the drain pipe is arranged obliquely downward.
Preferably, the slurry outlet pipe is provided with a slurry outlet valve.
Preferably, the pulp inlet pipe is connected to the pulp waste pipe by a pressure pump.
Preferably, the housing and the screen are both cylindrical.
Preferably, the slurry inlet pipe is arranged along the tangential direction of the screen.
Compared with the prior art, the utility model has the following advantage: the utility model discloses utilize the inside and outside layering of screen cloth, filter paper pulp waste water, reduced the wasting of resources, reduce environmental pollution, promoted economic benefits. The utility model discloses be provided with the agitator, can stir the inside paper pulp waste water of screen cloth, when filterable with higher speed, can also avoid paper pulp and impurity adhesion at the screen cloth inner wall, improve the filtration efficiency of screen cloth.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the connection structure of the screen and the slurry inlet pipe.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
As shown in fig. 1 and 2, the pressure screen for impurity removal treatment of paper pulp comprises a frame 1, a base 3, a shell 13, a screen 12, a spherical seat 4, a stirrer, a pulp inlet pipe 14, a pulp outlet pipe 16, a sewage drain pipe 10 and a top discharge pipe 15.
The base 3 is horizontally fixed on the top of the frame 1, has a certain thickness (for example, 5-15 cm), and the top is a plane. The top and the periphery of the shell 13 are closed, the lower end is sealed and fixed on the top surface of the base 3, the top of the shell 13 is communicated with the top discharge pipe 15, and the bottom is communicated with the pulp outlet pipe 16. The screen 12 is located inside the housing 13 and the outer diameter of the screen 12 is smaller than the inner diameter of the housing so as to be at a distance from the inner wall of the housing 13. The top and the periphery of the screen 12 are provided with filtering holes, and the lower end of the screen is hermetically fixed on the top surface of the base 3. The slurry inlet pipe 14 penetrates through the shell 13 and then is communicated with the upper part of the inner cavity of the screen 12 after penetrating through the screen 12, the spherical seat 4 is fixed at the bottom of the inner cavity of the screen 12, the outer diameter of the spherical seat is matched with the inner diameter of the screen 12, the top of the spherical seat 4 is provided with a spherical surface, the sewage discharge pipe 10 penetrates through the shell 13 and the screen 12 and then is connected with the low point of the spherical surface so that impurities such as silt enter the sewage discharge pipe 10, and the stirrer extends into the inner cavity of the screen 12 to stir, so that the filtering of the pulp wastewater.
The agitator includes (mixing) shaft 19 and impeller 20, and (mixing) shaft 19 passes base 3 and sphere seat 4 from bottom to top and stretches into screen cloth 12 inner chamber, and impeller 20 installs the upper end at (mixing) shaft 19, and the lower extreme of (mixing) shaft 19 passes through band pulley and belt 7 and is connected with motor 2. Be provided with bearing 8 between (mixing) shaft 19 and the base 3, the upper end of bearing 8 is equipped with upper seal pad 9, and the lower extreme is equipped with lower seal pad 6, and the bottom of lower seal pad 6 is equipped with shrouding 5, and shrouding 5 passes through bolt and base 3 fixed connection. A copper sleeve 18 is arranged between the stirring shaft 19 and the spherical seat 4.
The blow-off pipe 10 is arranged obliquely downwards to facilitate the discharge of large-diameter impurities such as silt and is provided with a blow-off valve 11. The slurry outlet pipe 16 is provided with a slurry outlet valve 17. The pulp inlet pipe 14 is connected to the pulp waste water pipe by a pressure pump (not shown) so that the pulp waste water enters the screen 12 at a certain pressure, and the filtering of the pulp waste water can be accelerated by a proper pressure.
The housing 13 and the screen 12 are both cylindrical and coaxially arranged, and since the pulp waste water contains additives and has certain corrosiveness, the housing 13 and the screen 12 need to be made of existing corrosion-resistant metal materials. The pulp inlet pipe 14 is arranged along the tangential direction of the screen 12, so that after pulp wastewater enters the inner cavity of the screen, a certain degree of rotating water flow can be formed under the blocking of the screen and the shell, and the filtering is accelerated.
The utility model discloses a theory of operation is: after the paper pulp wastewater enters the inner cavity of the screen 12 in the tangential direction, a certain degree of rotating water flow is formed, under the stirring of an impeller 20 of a stirrer, large-diameter particles such as silt and the like are left in the inner cavity of the screen 12 and gradually sink, and are collected through the spherical surface of the spherical seat 4 and finally discharged from the sewage discharge pipe 10, the impeller 20 can generate bubbles in the process of stirring the paper pulp wastewater, the bubbles carry light impurities to float upwards and are finally discharged from the top discharge pipe 5, and small particles such as paper pulp and the like and water can pass through the screen 12 to enter between the screen 12 and the shell 13 and enter a paper making workshop from the pulp outlet pipe 16 to be continuously used.
The above description is only a preferred embodiment of the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pressure screen for impurity removal treatment of paper pulp is characterized in that: comprises a frame (1), a base (3), a shell (13), a screen (12), a spherical seat (4), a stirrer, a slurry inlet pipe (14), a slurry outlet pipe (16), a sewage discharge pipe (10) and a top discharge pipe (15); the base (3) is fixed at the top of the frame (1) and has a certain thickness; the top and the periphery of the shell (13) are closed, the lower end of the shell is sealed and fixed on the top surface of the base (3), the top of the shell (13) is communicated with the top discharge pipe (15), and the bottom of the shell is communicated with the pulp outlet pipe (16); the screen (12) is positioned in the shell (13) and keeps a certain distance with the inner wall of the shell (13), the top and the periphery of the screen (12) are provided with filter holes, the lower end of the screen is fixed on the top surface of the base (3) in a sealing way, the pulp inlet pipe (14) penetrates through the shell (13) and then is communicated with the upper part of the inner cavity of the screen (12), the spherical seat (4) is fixed at the bottom of the inner cavity of the screen (12), the outer diameter of the spherical seat is matched with the inner diameter of the screen (12), the top of the spherical seat (4) is provided with a spherical surface, the sewage discharge pipe (10) penetrates through the shell (13) and the screen (12) and then is connected with the low point of the spherical surface, and the stirrer.
2. A pressure screen for impurity removal processing of paper pulp according to claim 1, characterized in that: the agitator includes (mixing) shaft (19) and impeller (20), stretches into screen cloth (12) inner chamber behind base (3) and sphere seat (4) are passed from bottom to top in (mixing) shaft (19), and impeller (20) are installed in the upper end of (mixing) shaft (19), and the lower extreme of (mixing) shaft (19) passes through band pulley and belt (7) and is connected with motor (2).
3. A pressure screen for impurity removal processing of paper pulp according to claim 2, characterized in that: be provided with bearing (8) between (mixing) shaft (19) and base (3), the upper end of bearing (8) is equipped with upper seal pad (9), and the lower extreme is equipped with lower seal pad (6), and the bottom of lower seal pad (6) is equipped with shrouding (5), and shrouding (5) pass through bolt and base (3) fixed connection.
4. A pressure screen for impurity removal processing of paper pulp according to claim 2, characterized in that: a copper sleeve (18) is arranged between the stirring shaft (19) and the spherical seat (4).
5. A pressure screen for impurity removal processing of paper pulp according to claim 1, characterized in that: a drain valve (11) is arranged on the drain pipe (10).
6. A pressure screen for a pulp reject process according to claim 1 or 5, characterized in that: the sewage discharge pipe (10) is arranged downwards in an inclined mode.
7. A pressure screen for impurity removal processing of paper pulp according to claim 1, characterized in that: the slurry outlet pipe (16) is provided with a slurry outlet valve (17).
8. A pressure screen for impurity removal processing of paper pulp according to claim 1, characterized in that: the pulp inlet pipe (14) is connected with the pulp waste water pipeline through a pressure pump.
9. A pressure screen for impurity removal processing of paper pulp according to claim 1, characterized in that: the housing (13) and the screen (12) are both cylindrical.
10. A pressure screen for a pulp reject process according to claim 9, wherein: the slurry inlet pipe (14) is arranged along the tangential direction of the screen (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125651.4U CN211285055U (en) | 2019-12-02 | 2019-12-02 | A pressure screen for paper pulp edulcoration is handled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125651.4U CN211285055U (en) | 2019-12-02 | 2019-12-02 | A pressure screen for paper pulp edulcoration is handled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211285055U true CN211285055U (en) | 2020-08-18 |
Family
ID=72017087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922125651.4U Expired - Fee Related CN211285055U (en) | 2019-12-02 | 2019-12-02 | A pressure screen for paper pulp edulcoration is handled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211285055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855192A (en) * | 2021-02-07 | 2021-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine with muddy water mode and slag conglomeration dispersing device thereof |
-
2019
- 2019-12-02 CN CN201922125651.4U patent/CN211285055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855192A (en) * | 2021-02-07 | 2021-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine with muddy water mode and slag conglomeration dispersing device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |