CN219342694U

CN219342694U - Slurry pressure screen

Info

Publication number: CN219342694U
Application number: CN202320019267.XU
Authority: CN
Inventors: 包建炜
Original assignee: Guilin Qifeng Paper Co ltd
Current assignee: Guilin Qifeng Paper Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-07-14
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a pulp pressure screen, which relates to the technical field of papermaking pulp processing and comprises a base, wherein a treatment box is arranged at the top end of the base, a treatment cavity is formed in the treatment box, a feed inlet is formed in the top end of the treatment box, a discharge valve is arranged at the bottom end of the treatment box, a filter cartridge is arranged in the treatment box, a driving motor for driving the filter cartridge is arranged at the bottom end of the treatment box, a first screening box, a second screening box and a discharging barrel are sequentially connected from top to bottom at the bottom end of the feed inlet, a first filter screen is arranged in the first screening box, and a second filter screen is arranged in the second screening box. According to the utility model, the first screening box and the second screening box are arranged, so that impurities in the concentrate entering the filter cylinder can be effectively reduced, and the load of the filter cylinder is reduced, thereby reducing the impurity amount adhered to the inner wall of the filter cylinder, reducing the maintenance times and improving the production efficiency.

Description

Slurry pressure screen

Technical Field

The utility model relates to the technical field of papermaking slurry processing, in particular to a slurry pressure screen.

Background

The pulp from the pulping workshop contains fiber bundle sand grains, metal scraps and other impurities, if the fiber bundle sand grains, the metal scraps and other impurities are not removed, the quality of paper is affected, and even equipment is damaged, unnecessary trouble is brought to production, so that before the pulp is manufactured on a paper machine, the pulp is generally required to be purified and screened by a pressure screen, on one hand, dust and impurities in the pulp are removed, and on the other hand, the pulp is uniformly dispersed to form a uniformly dispersed fiber suspension.

At present, impurities which are easy to adhere and block and screen out are arranged on the inner wall and the outer wall of a filter cylinder of the existing pulp pressure screen, so that screening efficiency is greatly reduced, pulp quality is reduced, and papermaking quality is directly affected.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a slurry pressure screen to solve the technical problems mentioned in the background above.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thick liquids pressurized screen, includes the base, the processing case is installed on the top of base, and the inside of processing case has seted up the processing chamber, the feed inlet has been seted up on the top of processing case, and the discharge valve is installed to the bottom of processing case, the internally mounted of processing case has a section of thick bamboo, and the bottom of processing case installs the driving motor who is used for driving the section of thick bamboo, the bottom of feed inlet has connected gradually a minute sieve case from top to bottom, no. two minute sieve cases, feed cylinder down, the internally mounted of a minute sieve case has a filter screen, and a bottom fixedly connected with connecting plate of minute sieve case, no. two internally mounted of minute sieve case have No. two filter screens, and No. two minute sieve case's top fixedly connected with connecting plate.

Through adopting above-mentioned technical scheme, can carry out filtration to thick liquids when the feeding, and then reduce the filtration volume of straining a section of thick bamboo, just also reduced to a certain extent and strain the impurity of section of thick bamboo inner wall adhesion, reduce the maintenance number of times, be favorable to promoting production efficiency.

The utility model is further characterized in that an electric push plate arranged on the inner wall of the treatment box is arranged on the outer side of the filter cylinder in the treatment box, and the output end of the electric push plate is fixedly connected with a scraping plate with the inner wall matched with the outer wall of the filter cylinder.

By adopting the technical scheme, the effect of scraping impurities on the outer wall of the filter cylinder is achieved.

The utility model further provides that the outer wall of the first connecting plate is provided with threads, and the inner wall of the second connecting plate is provided with a thread wall which is in thread fit with the outer wall of the first connecting plate.

Through adopting above-mentioned technical scheme, play the fixed effect of connection to No. one connecting plate and No. two connecting plates.

The utility model is further arranged that the inside of the feeding hole is communicated with the inside of the first sub-screen box, the inside of the first sub-screen box is communicated with the inside of the second sub-screen box, and the inside of the blanking cylinder is communicated with the inside of the second sub-screen box.

By adopting the technical scheme, the flow guiding and discharging effect on the slurry is achieved.

The utility model is further arranged that the bottom end of the blanking cylinder extends to the inside of the treatment box, and the outer wall of the blanking cylinder is in sliding connection with the inner wall of the filter cylinder.

In summary, the utility model has the following advantages:

1. according to the utility model, the first screening box and the second screening box are arranged, when feeding, slurry enters the first screening box through the feeding port, the first filter screen filters the slurry once, then the slurry enters the second screening box, and the second filter screen filters the slurry further, so that most of impurities in the slurry can be filtered, and further, the impurities in the concentrate entering the filter cylinder can be effectively reduced, so that the load of the filter cylinder is reduced, the impurity amount adhered to the inner wall of the filter cylinder is reduced, the maintenance times are reduced, and the production efficiency is improved;

2. according to the utility model, the electric pushing plate and the scraping plate are arranged, after the slurry is processed, the electric pushing plate is started, the scraping plate can be pushed to be attached to the outer wall of the filter cylinder by the electric pushing plate, impurities adhered to the outer wall of the filter cylinder can be scraped under the action of rotation of the filter cylinder, and then clean water can be introduced through the feeding port, so that the scraped impurities are cleaned, the outer wall of the filter cylinder is cleaned rapidly and efficiently, the filtering quality of the filter cylinder is ensured, and the quality of the slurry is improved.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic illustration of the feed structure of the present utility model;

FIG. 3 is a schematic view of a screening structure according to the present utility model.

In the figure: 1. a base; 2. a treatment box; 3. a processing chamber; 4. a feed inlet; 5. a discharge valve; 6. a filter cartridge; 7. a driving motor; 8. a first screening box; 9. a second screening box; 10. a blanking cylinder; 11. a first filter screen; 12. a first connecting plate; 13. a second connecting plate; 14. a second filter screen; 15. an electric push plate; 16. a scraper.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-3, including base 1, processing case 2 is installed on the top of base 1, and processing chamber 3 has been seted up to the inside of processing case 2, feed inlet 4 has been seted up on the top of processing case 2, and discharge valve 5 is installed to the bottom of processing case 2, processing case 2's internally mounted has a section of thick bamboo 6, and the bottom of processing case 2 is installed and is used for driving the driving motor 7 who strains 6, the bottom of feed inlet 4 has from top to bottom connected gradually first number minute sieve case 8, second number minute sieve case 9, lower feed cylinder 10, the inside of feed inlet 4 and the inside intercommunication of first number minute sieve case 8, and the inside of first number minute sieve case 8 and the inside intercommunication of second number minute sieve case 9, the inside of lower feed cylinder 10 and the inside intercommunication of second number minute sieve case 9, realize the diversion unloading effect to the thick liquids, the internally mounted of first number minute sieve case 8 has a number 11, and the bottom fixedly connected with a connecting plate 12 of first number minute sieve case 8, the internally mounted of second number minute sieve case 9 has a number minute sieve case 8, a connecting plate 14 and a connecting plate 13 number minute sieve case 13 and a connecting plate 13 are connected with a number minute sieve case 13, and a connecting plate 13 number minute sieve 13 and a connecting plate 13 are then, the outer wall 13 is fixed to be connected with a connecting plate.

Referring to fig. 1, an electric push plate 15 disposed on an inner wall of the treatment tank 2 is mounted on an outer side of the filter cartridge 6 in the treatment tank 2, and an output end of the electric push plate 15 is fixedly connected with a scraper 16 adapted to the inner wall and the outer wall of the filter cartridge 6, the electric push plate 15 can drive the scraper 16 to extend out, so as to realize scraping effect on bonding impurities on the outer wall of the filter cartridge 6, and ensure filtering performance of the filter cartridge 6.

Referring to fig. 1-2, the bottom end of the blanking cylinder 10 extends into the treatment tank 2, and the outer wall of the blanking cylinder 10 is slidably connected with the inner wall of the filter cartridge 6, so that the blanking cylinder 10 can perform a guiding function on the slurry, and the slurry can enter the filter cartridge 6 for filtering.

The working principle of the utility model is as follows: when feeding, the slurry enters a first screening box 8 through a feeding hole 4, a first filter screen 11 filters the slurry once, then the slurry enters a second screening box 9, a second filter screen 14 filters the slurry further, and most of the impurities in the slurry can be filtered at the moment, so that the impurities in the slurry entering a filter cartridge 6 can be effectively reduced, the load of the filter cartridge 6 is reduced, the impurity amount adhered to the inner wall of the filter cartridge 6 is reduced, the maintenance times are reduced, and the production efficiency is improved;

then, the driving motor 7 is started, the driving motor 7 drives the filter cylinder 6 to rotate, the filtering effect on the slurry is achieved, and the filtered slurry is discharged through the discharge valve 5;

after finishing the processing to thick liquids, start electronic push pedal 15, electronic push pedal 15 can promote scraper blade 16 to with strain a section of thick bamboo 6 outer wall laminating, under strain a section of thick bamboo 6 pivoted effect, the impurity that its outer wall bonded can be scraped, can let in the clear water through feed inlet 4 afterwards, realize the scraping clearance to the impurity, just also realized straining a section of thick bamboo 6 outer wall high efficiency clean, guaranteed and strained the filtration quality of section of thick bamboo 6, improve the quality of thick liquids.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. Slurry pressure screen, comprising a base (1), characterized in that: the utility model discloses a novel filter screen, including base (1), processing case (2), feed inlet (4) are seted up on the top of base (1), and processing case (2), and discharge valve (5) are installed on the bottom of processing case (2), processing case (2) internally mounted has filter cartridge (6), and processing case (2) bottom installs driving motor (7) that are used for driving filter cartridge (6), the bottom of feed inlet (4) has connected gradually a minute sieve case (8), second minute sieve case (9), feed cylinder (10) down from top to bottom, the internally mounted of a minute sieve case (8) has a filter screen (11), and the bottom fixedly connected with connecting plate (12) of a minute sieve case (8), the internally mounted of a minute sieve case (9) has a filter screen (14) No. two, and the top fixedly connected with No. two connecting plates (13) of a minute sieve case (9).

2. A slurry pressure screen as claimed in claim 1, wherein: the inside of the treatment box (2) is located outside the filter cylinder (6), an electric push plate (15) arranged on the inner wall of the treatment box (2) is installed, and the output end of the electric push plate (15) is fixedly connected with a scraping plate (16) with the inner wall matched with the outer wall of the filter cylinder (6).

3. A slurry pressure screen as claimed in claim 1, wherein: the outer wall of the first connecting plate (12) is provided with threads, and the inner wall of the second connecting plate (13) is provided with a thread wall which is in thread fit with the outer wall of the first connecting plate (12).

4. A slurry pressure screen as claimed in claim 1, wherein: the inside of feed inlet (4) is with the inside intercommunication of dividing sieve case (8), and the inside of dividing sieve case (8) and the inside intercommunication of dividing sieve case (9) No. two, the inside of feed cylinder (10) and the inside intercommunication of dividing sieve case (9) No. two.

5. A slurry pressure screen as claimed in claim 1, wherein: the bottom end of the blanking cylinder (10) extends to the inside of the treatment box (2), and the outer wall of the blanking cylinder (10) is in sliding connection with the inner wall of the filter cylinder (6).