CN210287950U

CN210287950U - Thick liquids are sieving mechanism in advance

Info

Publication number: CN210287950U
Application number: CN201921177378.3U
Authority: CN
Inventors: 黄志龙; 董斌; 徐军; 华连进; 董林海; 徐洁
Original assignee: Hangzhou Lin'an Taoyuan Paper Co Ltd
Current assignee: Hangzhou Lin'an Taoyuan Paper Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-10
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to a papermaking equipment technical field, in particular to thick liquids prescreening device, the utility model discloses a support in the collecting vat of bottom surface, along vertical direction fixed connection in the support ring of collecting vat, support in casing on the support ring, set up in the rotation sieve in the casing, set up in support groove below and drive shaft pass support ring and casing and connect in the driving motor of rotation sieve, the rotation sieve is spherical closed screen cloth, the casing top has been seted up and has been run through along vertical direction the casing top with the pan feeding mouth at rotation sieve top, the casing bottom has been seted up and has been located the discharge gate of collecting vat top is through the above-mentioned setting to promote the production efficiency of pressurized screen.

Description

Thick liquids are sieving mechanism in advance

Technical Field

The utility model relates to a papermaking equipment technical field, in particular to thick liquids are sieving mechanism in advance.

Background

The waste paper treatment is a process of reprocessing the recycled waste paper to obtain qualified pulp for producing paper products, and the recycling and utilization of the waste paper are beneficial to protecting the environment, protecting the forest and saving resources; pulping of waste paper refers to a process of dissociating plant fiber raw materials into natural color or bleached pulp by chemical, mechanical or a combination thereof, and generally includes crushing, cooking, washing, screening, bleaching, purifying, and drying the plant fiber raw materials.

At present, the obtained slurry of slurrying can not directly be taken for use, need detach the impurity of slurry, and these impurity all cause the influence to the quality of finished paper and equipment, generally directly get into the pressure sieve edulcoration with slurry among the prior art, but have great impurity to block up the pressure sieve easily in the slurry, need often shut down the clearance, influenced the production efficiency of pressure sieve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a thick liquids are sieving mechanism in advance to promote the production efficiency of pressurized screen.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a thick liquids prescreening device, including support in the collecting vat of bottom surface, along vertical direction fixed connection in the support ring of collecting vat, support in casing on the support ring, set up rotating sieve in the casing, set up in support groove below and drive shaft pass support ring and casing and be connected in rotating sieve's driving motor, rotating sieve is spherical closed screen cloth, the casing top is seted up and is run through along vertical direction the casing top with the pan feeding mouth at rotating sieve top, the casing bottom is seted up and is located the discharge gate of collecting vat top.

Through above-mentioned technical scheme, through setting up casing and rotating sieve, when needs are carried out prescreening to thick liquids, pour thick liquids into to rotating sieve in from the pan feeding mouth on casing top, and open driving motor and drive rotating sieve and rotate, make the thick liquids in the rotating sieve when rotating, through centrifugal force, leave the impurity of great granule in rotating sieve, and the thick liquids of less granule then is got rid of as in the casing, and fall into in the collecting vat through the discharge gate of seting up in the casing bottom, make great impurity through the preliminary treatment before getting into pressure sieve in the thick liquids, in order to get rid of great impurity in the thick liquids, be difficult for causing the condition that the pressure sieve blockked up, promote the production efficiency of pressure sieve.

The utility model discloses further set up to: the casing includes first installation shell and second installation shell, first installation shell with the second installation shell is connected through a plurality of connecting pieces.

Through above-mentioned technical scheme, pass through the connecting piece through setting up first casing and second casing and connect, the staff of being convenient for is after the long-term operation of sieving mechanism in advance, clears up the casing inside.

The utility model discloses further set up to: the first mounting shell and the second mounting shell are both hemispherical shells.

Through above-mentioned technical scheme, through setting up first installation shell and second installation shell and being the hemispheroid, make the rotating sieve when throwing away the thick liquids of less granule on shells inner wall, the thick liquids is difficult for forming in the casing and storing up, also is convenient for the staff clearance because the discharge gate roll-off is followed to shells inner wall to gravity.

The utility model discloses further set up to: the rotary screen is characterized in that a connecting ring extending in the vertical direction is fixedly connected to the bottom end of the rotary screen, a limiting groove extending in the vertical direction is formed in the inner wall of the connecting ring, a limiting block extending in the vertical direction is fixedly connected to the outer wall of a driving shaft of the driving motor, and the limiting block is connected to the limiting groove in a sliding mode in the vertical direction.

Through above-mentioned technical scheme, through setting up the rotary screen and pass through the go-between slip grafting in driving motor's drive shaft, the staff of being convenient for is opening the back with first installation shell and second installation shell, takes out the rotary screen and clears up and maintain.

The utility model discloses further set up to: the casing is located the first solid fixed ring of inner wall fixedly connected with of pan feeding mouth department, the rotary screen is located the solid fixed ring of outer wall fixedly connected with second of pan feeding mouth department, first solid fixed ring cover is located the solid fixed ring outside of second.

Through above-mentioned technical scheme, through set up first solid fixed ring on the casing to set up on the rotating screen and solid fixed ring with first solid fixed ring matched with second, make the rotating screen more stable when rotating, difficult emergence offset.

The utility model discloses further set up to: and the bottom end of the collecting tank is fixedly connected with a collecting pipeline communicated with the collecting tank.

Through above-mentioned technical scheme, through setting up the collecting pipe, communicate the collecting vat to the pan feeding mouth of pressure sieve through the collecting pipe between can, directly carry out the material loading to the pressure sieve, it is more convenient, reduce staff's intensity of labour.

The utility model discloses further set up to: the collecting vat inner wall bottom surface sets up to concave surface cambered surface up, the collection pipeline sets up in the concave surface least significant end.

Through above-mentioned technical scheme, through setting up collecting vat inner wall bottom surface and being the cambered surface, reduce thick liquids and form the condition that stores up at collecting vat inner wall bottom surface.

The utility model discloses further set up to: the bottom end of the collecting tank is fixedly connected with a plurality of supporting legs supported on the ground, and rubber pads are arranged at the bottom ends of the supporting legs.

Through above-mentioned technical scheme, set up the rubber pad in the supporting leg bottom, reduce sieving mechanism in advance when the operation because the rotating screen rotates produced vibration, reduce the supporting leg and the produced noise on ground.

To sum up, the utility model discloses following beneficial effect has:

through setting up casing and rotating sieve, when needs carry out prescreening to thick liquids, pour thick liquids into to rotating sieve in from the pan feeding mouth on casing top, and open driving motor and drive rotating sieve and rotate, make the thick liquids in the rotating sieve when rotating, through centrifugal force, leave the impurity of great granule in rotating sieve, and the thick liquids of less granule then is got rid of as in the casing, and fall into the collecting vat through the discharge gate of seting up in the casing bottom, make great impurity pass through the preliminary treatment before getting into pressure sieve in the thick liquids, in order to get rid of great impurity in the thick liquids, be difficult for causing the condition that the pressure sieve blockked up, promote the production efficiency of pressure sieve.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a sectional view of the present embodiment;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numerals: 1. collecting tank; 2. a support ring; 3. a housing; 4. rotating the screen; 5. a drive motor; 6. supporting legs; 7. a feeding port; 8. a discharge port; 9. a first mounting case; 10. a second mounting case; 11. a connecting member; 12. a connecting ring; 13. a limiting groove; 14. a limiting block; 15. a first retaining ring; 16. a second retaining ring; 17. a collection pipe; 18. a rubber pad; 19. a drive shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a thick liquids prescreening device, as shown in fig. 1 and fig. 2, including collecting vat 1, support ring 2, casing 3, rotating sieve 4, driving motor 5, 1 bottom in collecting vat is provided with a plurality of and supports in the supporting leg 6 of bottom surface, support ring 2 is along vertical direction fixed connection in collecting vat 1 center department, casing 3 supports on support ring 2, rotating sieve 4 sets up in casing 3, driving motor 5 sets up in the bottom surface of supporting vat below, and driving motor 5's drive shaft 19 passes support ring 2 and casing 3 and is connected in rotating sieve 4, rotating sieve 4 is spherical closed screen cloth, casing 3 top is seted up and is run through the pan feeding mouth 7 at casing 3 top and rotating sieve 4 top along vertical direction, casing 3 bottom is seted up the discharge gate 8 that is located collecting vat 1 top.

For the staff clears up casing 3, casing 3 includes hemispherical first installation shell 9 and hemispherical second installation shell 10, and first installation shell 9 and second installation shell 10 connect through a plurality of connecting piece 11, and connecting piece 11 sets up to the bolt, make rotating sieve 4 when throwing away the thick liquids of less granule on 3 inner walls of casing, the thick liquids are difficult for forming in casing 3 and store up because gravity is followed 3 inner walls of casing from 8 roll-offs of discharge gate.

As shown in fig. 2 and 3, in order to facilitate cleaning of the rotary screen 4 by the worker, the bottom end of the rotary screen 4 is fixedly connected with a connecting ring 12 extending along the vertical direction, a limiting groove 13 extending along the vertical direction is formed in the inner wall of the connecting ring 12, a limiting block 14 extending along the vertical direction is fixedly connected to the outer wall of a driving shaft 19 of the driving motor 5, and the limiting block 14 is slidably connected in the limiting groove 13 along the vertical direction.

As shown in fig. 1 and 2, in order to make the rotating screen 4 more stable when rotating, the casing 3 is located the first fixed ring 15 of inner wall fixedly connected with of pan feeding mouth 7 department, the rotating screen 4 is located the fixed ring 16 of outer wall fixedly connected with second of pan feeding mouth 7 department, the first fixed ring 15 cover is located the fixed ring 16 outside of second.

For the convenience that increases the prescreening device, 1 inner wall bottom surface of collecting vat sets up to concave surface cambered surface up, and 1 bottom of collecting vat is located the communicating collection pipeline 17 of position fixedly connected with and collecting vat 1 of cambered surface lower extreme.

In order to reduce the vibration generated when the pre-screening device operates, the rubber pads 18 are arranged at the bottom ends of the supporting legs 6, so that the noise generated by the supporting legs 6 and the ground due to vibration is reduced.

The working process is as follows:

through setting up casing 3 and rotating sieve 4, when needs prescreen the thick liquids, pour the thick liquids into to rotating sieve 4 from pan feeding mouth 7 on 3 tops of casing in, and open driving motor 5 and drive rotating sieve 4 and rotate, make the thick liquids in the rotating sieve 4 when rotating, through centrifugal force, leave the impurity of great granule in rotating sieve 4, and the thick liquids of less granule is then got rid of as in casing 3, and fall into collecting vat 1 through opening discharge gate 8 in 3 bottoms of casing, make great impurity through the preliminary treatment before getting into the pressurized screen in the thick liquids, in order to get rid of great impurity in the thick liquids, be difficult for causing the condition that the pressurized screen blockked up, promote the production efficiency of pressurized screen.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a thick liquids prescreening device which characterized in that: including supporting collecting vat (1) in the bottom surface, along vertical direction fixed connection in support ring (2) of collecting vat (1), support in casing (3) on support ring (2), set up rotating sieve (4) in casing (3), set up in support groove below and drive shaft (19) pass support ring (2) and casing (3) and be connected in driving motor (5) of rotating sieve (4), rotating sieve (4) are spherical closed screen cloth, casing (3) top is seted up and is run through along vertical direction casing (3) top with pan feeding mouth (7) at rotating sieve (4) top, casing (3) bottom is seted up and is located discharge gate (8) of collecting vat (1) top.

2. A slurry prescreening device according to claim 1, wherein: the shell (3) comprises a first installation shell (9) and a second installation shell (10), and the first installation shell (9) and the second installation shell (10) are connected through a plurality of connecting pieces (11).

3. A slurry prescreening device according to claim 2, wherein: the first mounting shell (9) and the second mounting shell (10) are both arranged to be hemispherical shells (3).

4. A slurry prescreening device according to claim 2, wherein: the rotary screen is characterized in that a connecting ring (12) extending in the vertical direction is fixedly connected to the bottom end of the rotary screen (4), a limiting groove (13) extending in the vertical direction is formed in the inner wall of the connecting ring (12), a limiting block (14) extending in the vertical direction is fixedly connected to the outer wall of a driving shaft (19) of the driving motor (5), and the limiting block (14) is connected in the limiting groove (13) in a sliding mode in the vertical direction.

5. A slurry prescreening device according to claim 1, wherein: casing (3) are located the first solid fixed ring of inner wall fixedly connected with (15) of pan feeding mouth (7) department, rotary screen (4) are located the solid fixed ring of outer wall fixedly connected with second (16) of pan feeding mouth (7) department, first solid fixed ring (15) cover is located the solid fixed ring of second (16) outside.

6. A slurry prescreening device according to claim 1, wherein: the bottom end of the collecting tank (1) is fixedly connected with a collecting pipeline (17) communicated with the collecting tank (1).

7. A pulp pre-screening apparatus according to claim 6, wherein: the bottom surface of the inner wall of the collecting tank (1) is an arc surface with an upward concave surface, and the collecting pipeline (17) is arranged at the lowest end of the concave surface.

8. A slurry prescreening device according to claim 2, wherein: the collecting vat (1) bottom fixedly connected with a plurality of support leg (6) that support in ground, just supporting leg (6) bottom is provided with rubber pad (18).