CN214655981U

CN214655981U - Papermaking paper pulp sand removing device

Info

Publication number: CN214655981U
Application number: CN202022447059.9U
Authority: CN
Inventors: 朱涛
Original assignee: Individual
Current assignee: Hainan Yide New Material Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-11-09
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a papermaking pulp sand removal device relates to papermaking equipment technical field, including first water inlet, whirl sand removal section of thick bamboo and delivery port, the right-hand member fixedly connected with whirl sand removal section of thick bamboo of first water inlet, the inside first flow rate control valve that is provided with of right-hand member of first water inlet, the inside of whirl sand removal section of thick bamboo is provided with the guide plate, and the outer wall of guide plate is provided with the filter screen, and the outer wall lower extreme fixed mounting of whirl sand removal section of thick bamboo has the supporting legs, and the outer wall right side fixed mounting of whirl sand removal section of thick bamboo has the motor. The utility model discloses a first velocity of flow control valve makes the velocity of flow of first water inlet obtain control, can make paper pulp acceleration rate get into a whirl sand removal section of thick bamboo in, inlet pressure is big more, and the sand removal rate is high more, through the filtration cycle of play water, makes the clear water cleaner, also plays the cleaning action to a whirl sand removal section of thick bamboo inside, through the filter, filters out the paper pulp of crossing and pushes away to album thick liquid room through the push pedal, falls into the collecting vat, can regard as byproduct raw materials recovery and then improve the income.

Description

Papermaking paper pulp sand removing device

Technical Field

The utility model relates to a sand removing device relates to papermaking equipment technical field, concretely relates to papermaking paper pulp sand removing device.

Background

Paper making is one of the important inventions of ancient Chinese workers, in the modern society, no matter in industry, agriculture and people's life, in the paper making production process, sand grains in paper pulp need to be removed after pulp crushing, a paper pulp desander is usually adopted in the prior art and comprises a lower conical shell, a pulp inlet pipe for tangential feeding is arranged at the upper part of the lower conical shell, a paper pulp outlet is arranged at the top end, the paper pulp after pulp crushing enters from the upper part of the lower conical shell in a tangential direction and forms a rotational flow in the lower conical shell so as to separate the paper pulp from the sand grains, the paper pulp is discharged from the paper pulp outlet at the top end and enters the next procedure of the production process, the sand grains after separation fall under the action of gravity to complete the desanding operation, but the existing paper pulp desander can realize the high-efficiency desanding operation only under the high flow velocity, and the flow velocity of the paper pulp passing through the desander is not always high flow velocity, so that sand particles can not be completely removed, the sand removing effect is not ideal, and the inner wall of the sand removing cylinder after sand removing is difficult to clean.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a papermaking pulp sand removal device to propose a current papermaking pulp sand removal device in solving above-mentioned background art, the purpose is in order to make the velocity of flow of first water inlet controlled through first velocity of flow control valve, can make in the paper pulp acceleration rate gets into a whirl sand removal section of thick bamboo, and water inlet pressure is big more, and the sand removal rate is high more. Second, the purpose is through the principle of whirl sand removal section of thick bamboo centrifugal sedimentation and density difference, the clear water that makes the density low rises, it is through the filter to get into the honeycomb duct from the delivery port, get into the collecting chamber, water this moment is through filtering again, cleaner, in order to wash inside the whirl sand removal section of thick bamboo conveniently, set up second velocity of flow control valve, make partial clear water flow direction whirl once more remove the inside washing of sand removal section of thick bamboo, it gets back to in the collecting chamber to filter once more, open third velocity of flow control valve, let clear water flow in header tank, environmental protection more, the purpose is for passing through the filter, the paper pulp of filtering off pushes away to the collecting chamber through the push pedal, fall into the collecting vat, can retrieve and then improve the income as the by-product raw materials.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a papermaking pulp sand removing device, includes first water inlet, whirl desanding cylinder and delivery port, the right-hand member fixedly connected with whirl desanding cylinder of first water inlet, the inside first flow rate control valve that is provided with of right-hand member of first water inlet, the inside of whirl desanding cylinder is provided with the guide plate, the outer wall of guide plate is provided with the filter screen, the outer wall lower extreme fixed mounting of whirl desanding cylinder has the supporting legs, the outer wall right side fixed mounting of whirl desanding cylinder has the motor.

Furthermore, the bottom of the cyclone desanding cylinder is connected with a sand discharge port in a welding mode, the bottom of the sand discharge port is fixedly connected with a sand collection chamber, and the bottom of the sand collection chamber is fixedly connected with a sand outlet.

Further, the top fixedly connected with delivery port of whirl desanding section of thick bamboo, the top fixedly connected with honeycomb duct of delivery port, the honeycomb duct is the structure of falling U, the inside filter that is provided with of right-hand member of honeycomb duct, the top left end sliding connection of filter has the push pedal.

Furthermore, the upper end of the left side of the push plate is connected with a spring in a welding mode, the spring is fixedly connected with a spring plate control valve, a first handle is arranged on the front face of the filter plate, a water collecting chamber is arranged at the bottom of the filter plate, a second water inlet is formed in the left end of the water collecting chamber, and a second flow rate control valve is arranged inside the second water inlet.

Furthermore, a slurry collecting chamber is fixedly mounted on the right side of the water collecting chamber, a collecting tank is movably connected to the bottom of the slurry collecting chamber, and a second handle is fixedly mounted on the front side of the collecting tank.

Furthermore, the bottom of the water collecting chamber is fixedly connected with a connecting pipe, the top end inside the connecting pipe is provided with a third flow rate control valve, and the bottom of the connecting pipe is provided with a water collecting tank.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this kind of papermaking paper pulp sand removal device makes the velocity of flow of first water inlet obtain controlling through first velocity of flow control valve, can make paper pulp acceleration rate get into in the whirl sand removal section of thick bamboo, and water inlet pressure is big more, and the sand removal rate is high more.

2. This kind of papermaking paper pulp sand removing device, through the principle of whirl degritting section of thick bamboo centrifugal sedimentation and density difference, the clear water that makes the density low rises, get into the honeycomb duct from the delivery port and pass through the filter, get into the collecting chamber, water at this moment is through filtering again, it is cleaner, for the convenience inside the whirl degritting section of thick bamboo that washs, set up second velocity of flow control valve, make partial clear water flow direction whirl degritting section of thick bamboo inside once more wash, in the collecting chamber is got back to in the secondary filtration, open third velocity of flow control valve, let clear water inflow header tank, environmental protection more.

3. This kind of papermaking paper pulp sand removing device, through the filter, the paper pulp of filtering pushes away to album thick liquid room through the push pedal, falls into the collecting vat, can regard as byproduct raw materials to retrieve and then improve the income.

Drawings

FIG. 1 is a schematic cross-sectional view of a paper pulp desanding apparatus of the present invention;

fig. 2 is an enlarged schematic structural view of a position a in fig. 1 of the papermaking pulp desanding device of the present invention.

In the figure: 1. a first water inlet; 2. a first flow rate control valve; 3. a cyclone sand removal cylinder; 4. a baffle; 5. filtering with a screen; 6. supporting legs; 7. a sand collection chamber; 8. a sand discharge port; 9. a sand outlet; 10. a motor; 11. A water outlet; 12. a flow guide pipe; 13. a filter plate; 14. a first handle; 15. a spring plate control valve; 16. A spring; 17. pushing the plate; 18. a pulp collection chamber; 19. collecting tank; 20. a second handle; 21. a water collection chamber; 22. a second flow rate control valve; 23. a second water inlet; 24. a third flow rate control valve; 25. a connecting pipe; 26. a water collection tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution: a papermaking paper pulp desanding device comprises a first water inlet 1, a rotational flow desanding cylinder 3 and a water outlet 11, wherein the right end of the first water inlet 1 is fixedly connected with the rotational flow desanding cylinder 3, the rotational flow desanding cylinder 3 is used for carrying out water-sand separation on paper pulp, a first flow rate control valve 2 is arranged inside the right end of the first water inlet 1, the flow rate of the first water inlet is controlled through the first flow rate control valve, the paper pulp can enter the rotational flow desanding cylinder at an increased flow rate, the higher the water inlet pressure is, the higher the desanding rate is, a guide plate 4 is arranged inside the rotational flow desanding cylinder 3, the paper pulp flows into the rotational flow desanding cylinder 3 along the guide plate 4, a filter screen 5 is arranged on the outer wall of the guide plate 4 to increase the water-sand separation efficiency, a support leg 6 is fixedly arranged at the lower end of the outer wall of the rotational flow desanding cylinder 3 to play a role of supporting equipment, a motor 10 is fixedly arranged on the right side of the outer wall of the rotational flow desanding cylinder 3, the motor 10 controls the cyclone sand removal cylinder 3 to generate strong rotary motion of the paper pulp.

Example 2

Referring to fig. 1, the bottom of the cyclone sand removing cylinder 3 is welded with a sand discharge port 8, the bottom of the sand discharge port 8 is fixedly connected with a sand collection chamber 7, the bottom of the sand collection chamber 7 is fixedly connected with a sand outlet 9, and due to different sand water densities, the clear water with low density rises due to different stresses under the action of centrifugal force, centripetal buoyancy and fluid drag force, and is discharged from a water outlet 11, and the sand with high density is discharged into the sand collection chamber 7 from the sand discharge port 8 and is discharged from the sand outlet 9, so that the purpose of removing the sand is achieved.

Example 3

Referring to fig. 1-2, a water outlet 11 is fixedly connected to the top of the cyclone sand removal cylinder 3, a guide pipe 12 is fixedly connected to the top of the water outlet 11, the guide pipe 12 is of an inverted U-shaped structure, a filter plate 13 is arranged inside the right end of the guide pipe 12, clean water enters the guide pipe 12 from the water outlet 11 and is filtered by the filter plate 13 and then enters a water collection chamber 21, a push plate 17 is slidably connected to the left end of the top of the filter plate 13, residual paper pulp in the clean water is filtered out by the filter plate 13, and a plate control valve 15 is sprung to control the push plate to push the paper pulp to the pulp collection chamber 18.

Example 4

Referring to fig. 1-2, a spring 16 is welded to the upper end of the left side of the push plate 17, a spring control valve 15 is fixedly connected to the spring 16, a first handle 14 is arranged on the front side of the filter plate 13, the filter plate 13 can be drawn out by pulling the first handle 14 to clean and prevent blockage of the filter plate 13, a water collection chamber 21 is arranged at the bottom of the filter plate 13, a second water inlet 23 is arranged at the left end of the water collection chamber 21, a second flow control valve 22 is arranged inside the second water inlet 23, the second flow control valve 22 is opened, filtered clean water flows into the cyclone sand removal cylinder 3, and the cyclone sand removal cylinder 3 can be cleaned by starting the motor 10 to operate and separate.

Example 5

Referring to fig. 1-2, a pulp collecting chamber 18 is fixedly installed on the right side of a water collecting chamber 21, a collecting tank 19 is movably connected to the bottom of the pulp collecting chamber 18, a second handle 20 is fixedly installed on the front surface of the collecting tank 19, a spring plate control valve 15 controls a push plate to push pulp into the pulp collecting chamber 18, the pulp falls into the collecting tank 19, the second handle 20 is drawn out, filtered pulp is collected, a connecting pipe 25 is fixedly connected to the bottom of the water collecting chamber 21, a third flow rate control valve 24 is arranged at the top end of the inside of the connecting pipe 25, a water collecting tank 26 is arranged at the bottom of the connecting pipe 25, and if the third flow rate control valve 24 is opened after clean water is filtered, clean water flows into the water collecting tank 26 through the connecting pipe 25.

The utility model discloses a theory of operation and use flow: when in use, the first flow rate control valve 2 is opened, paper pulp is poured from the first water inlet 1, the paper pulp flows into the rotational flow sand removal cylinder 3 along the guide plate 4, the motor 10 is started to enable the paper pulp to generate strong rotary motion, due to different densities of sand water, the clear water with low density rises under the action of centrifugal force, centripetal buoyancy and fluid drag force due to different forces, and is discharged from the water outlet 11, sand with high density is discharged into the sand collection chamber 7 from the sand discharge port 8, so that the purpose of sand removal is achieved, the clear water enters the guide pipe 12 from the water outlet 11 and enters the water collection chamber 21 after being filtered by the filter plate 13, at the moment, if the third flow rate control valve 24 is opened, the clear water flows into the water collection tank 26, or the second flow rate control valve 22 is opened, the clear water flows into the rotational flow sand removal cylinder 3, the motor 10 is started again for one operation, the rotational flow sand removal cylinder 3 can be cleaned, and the residual paper pulp in the clear water is filtered out by the filter plate 13, the spring plate control valve 15 controls the push plate to push the pulp into the pulp collecting chamber 18 and drop into the collecting tank 19, and the second handle 20 is drawn out to collect the filtered pulp.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a papermaking pulp sand removal device, includes first water inlet (1), whirl sand removal tube (3) and delivery port (11), its characterized in that: the cross section of first water inlet (1) adopts the square setting, the right-hand member fixedly connected with whirl sand removal section of thick bamboo (3) of first water inlet (1), the right-hand member inside of first water inlet (1) is provided with first velocity of flow control valve (2), the inside of whirl sand removal section of thick bamboo (3) is provided with guide plate (4), the outer wall of guide plate (4) is provided with filter screen (5), the outer wall lower extreme fixed mounting of whirl sand removal section of thick bamboo (3) has supporting legs (6), the outer wall right side fixed mounting of whirl sand removal section of thick bamboo (3) has motor (10).

2. The papermaking pulp desanding apparatus of claim 1, further comprising: the bottom welded connection of whirl sand removal section of thick bamboo (3) has sand discharge opening (8), the bottom fixedly connected with collection sand room (7) of sand discharge opening (8), the bottom fixedly connected with sand outlet (9) of collection sand room (7).

3. The papermaking pulp desanding apparatus of claim 1, further comprising: the top fixedly connected with delivery port (11) of whirl sand removal section of thick bamboo (3), the top fixedly connected with honeycomb duct (12) of delivery port (11), honeycomb duct (12) are the structure of falling the U, the inside filter (13) that is provided with of right-hand member of honeycomb duct (12), the top left end sliding connection of filter (13) has push pedal (17).

4. A papermaking pulp grit removal apparatus as set forth in claim 3, wherein: the left side upper end welded connection of push pedal (17) has spring (16), spring (16) fixedly connected with plays movable plate control valve (15), the front of filter (13) is provided with the first in command (14), the bottom of filter (13) is provided with water collecting chamber (21), the left end of water collecting chamber (21) is provided with second water inlet (23), the cross section of second water inlet (23) adopts the square setting, the inside of second water inlet (23) is provided with second flow control valve (22).

5. The papermaking pulp desanding apparatus of claim 4, wherein: the right side of water collection chamber (21) is fixedly provided with a slurry collection chamber (18), the bottom of slurry collection chamber (18) is movably connected with a collection tank (19), and the front of collection tank (19) is fixedly provided with a second handle (20).

6. The papermaking pulp desanding apparatus of claim 4, wherein: the bottom of the water collecting chamber (21) is fixedly connected with a connecting pipe (25), the top end of the interior of the connecting pipe (25) is provided with a third flow rate control valve (24), and the bottom of the connecting pipe (25) is provided with a water collecting tank (26).