CN212356795U - Papermaking plain boiled water fiber recovery filter - Google Patents
Papermaking plain boiled water fiber recovery filter Download PDFInfo
- Publication number
- CN212356795U CN212356795U CN202020946066.0U CN202020946066U CN212356795U CN 212356795 U CN212356795 U CN 212356795U CN 202020946066 U CN202020946066 U CN 202020946066U CN 212356795 U CN212356795 U CN 212356795U
- Authority
- CN
- China
- Prior art keywords
- water
- fiber
- air
- plate
- white water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Paper (AREA)
Abstract
The invention discloses a papermaking white water fiber recovery filter, which comprises a box body, wherein a first partition plate for connecting a left side plate and a right side plate is arranged in the box body, the rear side of the first partition plate is an air flotation zone, and the front side of the first partition plate is a fiber filtering zone; the air floating area is used for mixing the white water with the dissolved air water so as to improve the air floating effect of the fiber matters in the white water and enable the fiber matters to float to the water surface, and the fiber filtering area is used for collecting the fiber matters subjected to air floating in a centralized manner. The filter for recovering the white water fibers in the papermaking can complete the air flotation, filtration, cleaning and other processes of white water treatment in one step, and has the advantages of high equipment integration, high automation degree, small occupied space and the like.
Description
Technical Field
The utility model relates to a papermaking plain boiled water treatment facility field, concretely relates to papermaking plain boiled water fiber recovery filter.
Background
White water is a large amount of water discharged from the wire section of a paper machine during papermaking, contains fine short fibers and other substances added to paper pulp, and is famous for being white in color. White water produced in the paper making process contains a large amount of fine fibers and chemical residues, enterprises spend a large amount of funds on discharging industrial sewage, and pulp recovery and sewage treatment are huge in material resources and financial resources. At present, most papermaking enterprises adopt a plurality of devices to treat white water, firstly carry out air floatation treatment on the white water, enable more micro bubbles adsorbed by fiber to float on the liquid level, and then clear up the fiber through salvage equipment.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model aims at providing a filter is retrieved to papermaking plain boiled water fiber can be to papermaking plain boiled water air supporting and cross the filtration and get off the fibrous thing, and is once only handled the plain boiled water totally.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A filter for recovering fibers of papermaking white water comprises a box body, wherein a first partition plate for connecting a left side plate and a right side plate is arranged in the box body, the rear side of the first partition plate is an air flotation zone, and the front side of the first partition plate is a fiber filtering zone; the air floating area is used for mixing the white water with the dissolved air water so as to improve the air floating effect of the fiber matters in the white water and enable the fiber matters to float to the water surface, and the fiber filtering area is used for collecting the fiber matters subjected to air floating in a centralized manner.
Further, the air flotation region comprises a water mixing bin, the water mixing bin is arranged on a bottom plate of the box body, a mixed water outlet is formed in the bottom of a left side plate of the water mixing bin, a releaser is arranged in the water mixing bin, and a white water inlet is formed in the bottom of the water mixing bin; the first baffle is lower than the left side plate of the box body, and a clear liquid outlet is formed in the position, close to the top, of the first baffle.
Furthermore, the releaser comprises a dissolved air water pipe, an air shunt pipe is arranged at the upper part of the dissolved air water pipe, and air outlet holes are respectively arranged at the front side and the rear side of the air shunt pipe.
Furthermore, the first clapboard is obliquely arranged, and the water mixing bin is arranged close to the first clapboard; the releaser is located at the rear side of the white water inlet.
Further, still include a plurality of guide plates, a plurality of guide plates are connected left side board and right side board, and every guide plate is on a parallel with the right side board.
Furthermore, the fiber filtering area is provided with a clear liquid bin, and the clear liquid bin is provided with a clear liquid outlet; a filter cylinder is arranged above the clear liquid bin, the filter cylinder comprises a rotating shaft, spokes are connected to the rotating shaft, and filter screens are arranged on the spokes; the left side plate of the rotating shaft extending out of the box body is connected with a motor, and the motor drives the filter cartridge to rotate clockwise; the highest point of the filter cylinder is higher than the top of the first partition plate; a second partition board connected with the left side board and the right side board is vertically arranged in front of the filter cylinder, the extension line of the second partition board is tangent with the filter cylinder, and the second partition board and the right side board form a material collecting bin for collecting fiber materials; a lip plate is arranged between the filter cylinder and the first partition plate and is used for preventing the fiber from entering the clear liquid bin.
Furthermore, a pulp scraping plate is arranged in front of the filter cylinder, the pulp scraping plate inclines upwards to abut against the outer surface of the filter screen, a normal-pressure stripping water pipe is arranged above the pulp scraping plate, and a plurality of fan-shaped wide-angle nozzles which incline upwards and point to the filter screen are arranged on the normal-pressure stripping water pipe.
Furthermore, a high-pressure cleaning water pipe is arranged below the front side of the filter cylinder, and a plurality of needle-shaped nozzles facing the filter cylinder are arranged on the high-pressure cleaning water pipe.
Further, the negative pressure fan is arranged on the outer side of the box body, and an air suction pipe of the negative pressure fan extends into the filter cylinder.
The utility model discloses technical scheme papermaking plain boiled water fiber recovery filter can once accomplish processes such as air supporting, filtration, washing that plain boiled water was handled, has that equipment integrates the advantage high, that degree of automation is high, occupation space is little.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of a perspective view of a filtering machine for recovering white water fibers in papermaking according to an embodiment of the present invention;
FIG. 2 is a schematic view of another perspective and three-dimensional state of an embodiment of the filtering machine for recovering white water fibers in papermaking according to the present invention;
FIG. 3 is a cross-sectional view of the filter for recovering white water fibers in paper making of the present invention;
FIG. 4 is an enlarged view of the release;
in the above figures:
1, a box body; 2 a first separator;
3, an air flotation zone; 301 water mixing bin; 302 mixed water outlet; 303 a releaser; 3031 dissolving gas water pipe; 3032 a gas shunt tube; 3033 air outlet; 304 white water inlet; 305 clear liquid outlet; 306 a baffle;
4 a fiber filtration zone; 401 clear liquid bin; 402 a filter cartridge; 403 motor; 404 a material collecting bin;
405 a scraping plate; 406 stripping the water pipe at normal pressure; 407 high-pressure cleaning water pipes; 408 a lip plate;
5 a second separator; 6 negative pressure fan.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.
White water is a large amount of water discharged from the wire section of a paper machine during papermaking, contains fine short fibers and other substances added to paper pulp, and is famous for being white in color. The working principle of air float white water treatment is that air is dissolved in water under a certain pressure as working medium, then the working medium is suddenly decompressed and released by a specific releaser immersed in the white water to be treated, countless fine bubbles are produced, and the fine bubbles are adhered to the impurity particles of the white water after coagulation reaction to make the density of the fine bubbles less than that of the water, and float on the water surface to be scum and removed, so that the white water is purified. The air floatation method for treating the white water is a recycling technology which is more used in the recycling of the white water at present.
The existing white water treatment is generally to carry out air floatation on white water by using air floatation equipment, and then filter and recover fibers after air floatation, multiple equipment is needed, and the factory space is wasted. The utility model provides a collect that physical qi floats and retrieve filter in plain boiled water fiber of an organic whole with fibre can once only handle plain boiled water, obtains the clean water that accords with the standard.
Referring to fig. 1, 2 and 3, a filter for recovering fibers of papermaking white water comprises a box body 1, wherein a first partition plate 2 for connecting a left side plate and a right side plate is arranged in the box body 1, the rear side of the first partition plate 2 is an air flotation zone 3, and the front side of the first partition plate is a fiber filtering zone 4; the air floating area 3 is used for mixing the white water with the dissolved air water so as to improve the air floating effect of the fiber matters in the white water and enable the fiber matters to float on the water surface, and the fiber filtering area 4 is used for collecting the fiber matters subjected to air floating in a centralized manner.
In the above embodiment, the first partition plate 2 is disposed in the box body 1, the rear side of the first partition plate 2 is the air flotation zone 3, and the front side is the fiber filtering zone 4.
Further, referring to fig. 3, the air flotation region 3 includes a water mixing bin 301, the water mixing bin 301 is disposed on the bottom plate of the box body 1, a mixed water outlet 302 is disposed at the bottom of the left side plate of the water mixing bin 301, a releaser 303 is disposed in the water mixing bin 301, and a white water inlet 304 is disposed at the bottom of the water mixing bin 301; the first partition board 2 is lower than the left side plate of the box body 1, and the first partition board 2 is provided with a clear liquid outlet 305 near the top.
Referring to fig. 4, the releaser 303 comprises a dissolved air water pipe 3031, wherein an air dividing pipe 3032 is arranged at the upper part of the dissolved air water pipe 3031, and air outlet holes 3033 are respectively arranged at the front side and the rear side of the air dividing pipe 3032.
In the above embodiments, the water mixing bin 301 is disposed on the bottom plate of the air floating region 3, and the releaser 303 is disposed in the water mixing bin 301. The bottom of the bottom plate is provided with a white water inlet 304, the bottom of the left side plate of the air floating zone 3 is provided with a mixed water outlet 302, the mixed water outlet 302 is generally arranged into a strip-shaped slit, the air-dissolved water and the white water are fully mixed in the water mixing bin 301, the mixed water flows out from the slit-shaped mixed water outlet 302, the diffusion effect is generated, the flow speed is reduced, fine fibers in the white water fully absorb tiny bubbles in the air-dissolved water, the liquid level gradually rises, fibrous matters float on the uppermost layer, and the liquid level of the air floating zone 3 rises along with the continuous entering of the air-dissolved water and the white water. When the liquid level rises to the clear liquid outlet 305 of the first partition wall 2, the clear liquid outlet 305 is provided in the first partition wall 2, and the mixed water flows out from the clear liquid outlet 305. Controlling the water inflow of the white water in unit time to be larger than the water outflow of the clarifying solution in unit time, the liquid level of the air flotation zone 3 will continue to rise until the liquid level is flush with the first partition plate 2, the clarifying solution outlet 305 is positioned below the liquid level, the clarifying solution can be stably discharged, and the fiber matter floating on the upper layer flows to the filtering zone to be filtered and recovered.
Preferably, the first partition plate 2 is arranged obliquely, and the water mixing bin 301 is arranged close to the first partition plate 2; the releaser 303 is located at the rear side of the white water inlet 304. The air conditioner also comprises a plurality of guide plates 306, wherein the guide plates 306 are connected with a left side plate and a right side plate, and each guide plate 306 is parallel to the right side plate.
Through setting up the first baffle 2 and the guide plate 306 of slope, prolonged the route of mixing water in the physics district of mixing water, can improve the suspension effect of mixing water.
Further, referring to fig. 2, the fiber filtering area 4 is provided with a clear liquid bin 401, and the clear liquid bin 401 is provided with a clear liquid outlet; a filter cartridge 402 is arranged above the clear liquid bin 401, the filter cartridge 402 comprises a rotating shaft, spokes are connected to the rotating shaft, and filter screens are arranged on the spokes; a motor 403 is connected to the left side plate of the rotating shaft extending out of the box body 1, and the motor 403 drives the filter cartridge 402 to rotate clockwise; the highest point of the filter cartridge 402 is higher than the top of the first separator 2; a second partition plate 5 connecting the left side plate and the right side plate is vertically arranged in front of the filter cartridge 402, the extension line of the second partition plate 5 is tangent to the filter cartridge 402, and the second partition plate 5 and the right side plate form a collecting bin 404 for collecting fiber materials. A lip 408 is arranged between the filter cartridge 402 and the first partition plate 2, and the lip 408 is used for blocking the fiber from entering the clear liquid bin 401.
In the above embodiment, the clarified liquid in the air flotation zone 3 flows from the clarified liquid outlet 305 to the fibrous material filtration zone, and the liquid level between the filter cartridge 402 and the second partition plate 5 rises due to the lip 408 provided between the filter cartridge 402 and the second partition plate 5. When the water inflow and the clarified liquid discharge of the whole system reach a balance, at the moment, the fibrous matter on the upper layer of the air flotation zone 3 can cross the top of the second clapboard 5 and be taken away by the filter cylinder 402 rotating clockwise, and the redundant clarified liquid passes through the filter screen and enters the clarified liquid bin 401. As the filter cartridge 402 rotates, the fibrous material falls under gravity into the collection bin 404 to be hit and discharged.
Preferably, a scraping plate 405 is arranged in front of the filter cartridge 402, the scraping plate 405 inclines upwards and abuts against the outer surface of the filter screen, a normal pressure stripping water pipe 406 is arranged above the scraping plate 405, and a plurality of fan-shaped wide-angle nozzles inclining upwards and pointing to the filter screen are arranged on the normal pressure stripping water pipe 406.
In the above embodiment, the normal pressure stripping water pipe 406 is disposed above the squeegee 405 to strip the fiber in advance, so as to facilitate the scraping of the squeegee 405. The atmospheric stripping water line 406 uses a fan-shaped wide angle nozzle to completely cover the entire cartridge 402. As filter cartridge 402 rotates clockwise, squeegee 405 is tilted upward against the screen on the outer surface of filter cartridge 402 to completely remove fiber material from the screen.
In order to clean the filter screen from residual fiber, a high pressure cleaning water pipe 407 is provided under the front side of the filter cartridge 402, and a plurality of needle nozzles directed toward the filter cartridge 402 are provided in the high pressure cleaning water pipe 407. The needle type nozzle can secure the pressure of the washing water.
Further, the filter cartridge further comprises a negative pressure fan 6, wherein the negative pressure fan 6 is arranged on the outer side of the box body 1, and an air suction pipe of the negative pressure fan 6 extends into the filter cartridge 402. The negative pressure fan 6 improves the permeability of the filter screen, so that the fiber is easier to be adsorbed on the filter screen.
Although the invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that certain changes and modifications can be made therein without departing from the scope of the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. A filter for recovering fibers of papermaking white water is characterized by comprising a box body (1), wherein a first partition plate (2) for connecting a left side plate and a right side plate is arranged in the box body (1), the rear side of the first partition plate (2) is an air flotation zone (3), and the front side of the first partition plate is a fiber filtering zone (4); the air floating area (3) is used for mixing the white water with the dissolved air water so as to improve the air floating effect of the fiber matters in the white water and enable the fiber matters to float on the water surface, and the fiber filtering area (4) is used for collecting the fiber matters subjected to air floating in a centralized manner.
2. Papermaking white water fiber recovery filter according to claim 1, characterized in that the air flotation zone (3) comprises a water mixing bin (301), the water mixing bin (301) is arranged on the bottom plate of the box body (1), the left side plate of the water mixing bin (301) is provided with a mixed water outlet (302) at the bottom, a releaser (303) is arranged in the water mixing bin (301), and the bottom of the water mixing bin (301) is provided with a white water inlet (304); the first partition plate (2) is lower than the left side plate of the box body (1), and a clear liquid outlet (305) is formed in the position, close to the top, of the first partition plate (2).
3. The papermaking white water fiber recovery filter according to claim 2, characterized in that the releaser (303) comprises a dissolved air water pipe (3031), an air shunt pipe (3032) is arranged at the upper part of the dissolved air water pipe (3031), and air outlet holes (3033) are respectively arranged at the front side and the rear side of the air shunt pipe (3032).
4. Papermaking white water fiber recovery filter according to claim 2, characterized in that said first partition (2) is obliquely arranged, and said water mixing silo (301) is arranged next to the first partition (2); the releaser (303) is located at the rear side of the white water inlet (304).
5. Papermaking white water fiber recovery filter according to claim 4, characterized by further comprising a plurality of flow deflectors (306), a plurality of said flow deflectors (306) connecting the left and right side plates, each said flow deflector (306) being parallel to said right side plate.
6. Papermaking white water fiber recovery filter according to claim 1, characterized in that the fiber filtration zone (4) is provided with a clear liquid bin (401), the clear liquid bin (401) being provided with a clear liquid outlet; a filter cartridge (402) is arranged above the clear liquid bin (401), the filter cartridge (402) comprises a rotating shaft, spokes are connected to the rotating shaft, and filter screens are arranged on the spokes; a left side plate of the rotating shaft extending out of the box body (1) is connected with a motor (403), and the motor (403) drives the filter cartridge (402) to rotate clockwise; the highest point of the filter cartridge (402) is higher than the top of the first partition (2); a second partition plate (5) connecting the left side plate and the right side plate is vertically arranged in front of the filter cylinder (402), the extension line of the second partition plate (5) is tangent to the filter cylinder (402), and the second partition plate (5) and the right side plate form a collecting bin (404) for collecting fiber; a lip plate (408) is arranged between the filter cylinder (402) and the first partition plate (2), and the lip plate (408) is used for blocking the fiber from entering the clear liquid bin (401).
7. Papermaking white water fiber recovery filter according to claim 6, characterized in that a pulp scraping plate (405) is arranged in front of the filter cylinder (402), the pulp scraping plate (405) is inclined upward against the outer surface of the filter screen, a normal pressure stripping water pipe (406) is arranged above the pulp scraping plate (405), and a plurality of fan-shaped wide angle nozzles inclined upward toward the filter screen are arranged on the normal pressure stripping water pipe (406).
8. Papermaking white water fiber recovery filter according to claim 7, characterized in that a high pressure cleaning water pipe (407) is provided under the front side of the filter cartridge (402), and the high pressure cleaning water pipe (407) is provided with a plurality of needle type nozzles facing the filter cartridge (402).
9. The papermaking white water fiber recovery filter according to claim 6, characterized by further comprising a negative pressure fan (6), wherein the negative pressure fan (6) is arranged outside the box body (1), and an air suction pipe of the negative pressure fan (6) extends into the filter cylinder (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946066.0U CN212356795U (en) | 2020-05-29 | 2020-05-29 | Papermaking plain boiled water fiber recovery filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946066.0U CN212356795U (en) | 2020-05-29 | 2020-05-29 | Papermaking plain boiled water fiber recovery filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212356795U true CN212356795U (en) | 2021-01-15 |
Family
ID=74155862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020946066.0U Active CN212356795U (en) | 2020-05-29 | 2020-05-29 | Papermaking plain boiled water fiber recovery filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212356795U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517505A (en) * | 2020-05-29 | 2020-08-11 | 西安兴晟造纸不锈钢网有限公司 | A papermaking white water fiber recovery filter |
| CN113737554A (en) * | 2021-09-18 | 2021-12-03 | 重庆理文造纸有限公司 | Production system for reducing wood pulp fine dried noodle volume boxboard paper |
-
2020
- 2020-05-29 CN CN202020946066.0U patent/CN212356795U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517505A (en) * | 2020-05-29 | 2020-08-11 | 西安兴晟造纸不锈钢网有限公司 | A papermaking white water fiber recovery filter |
| CN111517505B (en) * | 2020-05-29 | 2024-12-10 | 西安兴晟生态环境有限公司 | A papermaking white water fiber recovery filter |
| CN113737554A (en) * | 2021-09-18 | 2021-12-03 | 重庆理文造纸有限公司 | Production system for reducing wood pulp fine dried noodle volume boxboard paper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI94839C (en) | Device for filtration of sludge and method of use of the devices | |
| CN202542904U (en) | Micro flotation water purifier for treating papermaking wastewater | |
| CN212356795U (en) | Papermaking plain boiled water fiber recovery filter | |
| JPH07204419A (en) | Method and apparatus for filtering and backwashing solid particles from a liquid | |
| EP0946248B1 (en) | Filter with counter flow clearing | |
| CN109070097B (en) | Apparatus and method for froth separation | |
| JPH07303882A (en) | Scum removing and treating equipment | |
| CN111517505B (en) | A papermaking white water fiber recovery filter | |
| JP2016059912A (en) | Sedimentation basin | |
| JP3811887B2 (en) | Cleaning processing equipment | |
| CN207031112U (en) | A kind of continous way integrated sewage treating apparatus | |
| CN110451671A (en) | The self-circulating water processing unit of electrophoretic painting | |
| CN111499049A (en) | Vertical segmentation sewage treatment device | |
| CN212609890U (en) | Sewage processor | |
| KR102351916B1 (en) | GRIT CHAMBER and REMEDIATION SYSTEM OF CONTAMINATED SOILS COMPRISING THEREOF | |
| CN210915406U (en) | Air-float purifying equipment | |
| CN210457525U (en) | Waste liquid classified collection and pretreatment device | |
| CN210711065U (en) | Air-floating multi-disk direct-cleaning filter | |
| CN111517506A (en) | A kind of sewage treatment machine and sewage treatment method | |
| CN204502562U (en) | The filter of a kind of separating pulp fiber and silt | |
| CN212924470U (en) | Papermaking plain boiled water fiber air supporting device | |
| JP3835395B2 (en) | Filtration equipment using fiber filter media | |
| CN106698752B (en) | Water purification pretreatment equipment | |
| JPH07289812A (en) | Solid-liquid separation device | |
| CN217614796U (en) | Resin backwashing impurity removing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |