CN220424830U - Drawer type dust-proof device for sheeting machine and sheeting machine - Google Patents

Abstract

The utility model relates to a drawer type dustproof device for a flaker, which comprises a box body and a drawer, wherein the flaker is connected with a dust removal fan, and an exhaust opening and an exhaust tube are formed at the upper part of the flaker; the box sets up between exhaust opening and exhaust column, and the front side is opened and is formed the core mouth that trades, sets up the guide rail on the inner wall of left and right sides respectively. The drawer can be inserted into the box from the core replacing opening, sliding strips are respectively arranged on the left side and the right side of the drawer, the sliding strips are inserted into the guide rails, and the drawer is detachably installed in the box. The inner side of the drawer is provided with a filter screen through a transverse plate. The front side of the drawer is provided with a sealing door which is covered on the core exchanging opening. Therefore, when the dust removing fan is used for pumping negative, the drawer type dust-proof device can intercept dust sucked from the flake caustic soda machine on the filter screen, so that the flake caustic soda machine can always keep micro negative pressure, the dust removing pipe can be kept unblocked, and the clean and safe working environment can be effectively kept.

Description

Drawer type dust-proof device for sheeting machine and sheeting machine

Technical Field

The utility model relates to a sheet alkali production technology, in particular to a drawer type dust removing device for a sheet forming machine.

Background

The flaker is a crystallization device, also called a "flaker" in the flake caustic production field, for preparing flake caustic from high temperature and high concentration liquid caustic.

Dust can be generated in the use process of the flaker, the existing flaker needs to be connected with dust removing equipment, an exhaust opening offset flaker (described by the utility model with the application number of 202221592132.4) shown in fig. 8 is taken as an example, an exhaust opening 20 is arranged on the right side of the top of the flaker 10 on the left side of fig. 8, a dust removing fan 30 is arranged on the right side of fig. 8, the dust removing fan 30 is connected with the exhaust opening 20 through a dust removing pipe 40, suction force is provided to enable the inside of the flaker 10 to keep micro negative pressure (-0.1 to-0.2 kp 4), dust in the flaker 10 is sucked out along the dust removing pipe 40, and dust is prevented from floating out of the flaker shell and polluting working environment. The structure of the traditional flaker is similar to that of the flaker 10, the connection relation and the working principle of the traditional flaker are the same as those of the dust removal fan, and the difference is that the exhaust port of the traditional flaker is positioned in the middle of the top of the shell and is connected with the dust removal pipe through a flange and other structures.

However, in the actual production process, the dust sucked by the dust removing fan is easy to crystallize and adhere to the inner wall of the dust removing pipe 40, so that the pipe is blocked, the dust removing pipe 40 is difficult to open, the pipe can be cleaned only by being stopped and detached, the cleaning work is difficult and complicated, the labor is consumed, the continuous production period of the production system can be influenced, and the production efficiency is reduced.

In addition, the dust removal pipe is blocked and can lead to the inside of the flaker to become positive pressure, dust can float out of the shell and permeate in a working place, so that the operation environment is polluted, a great deal of manpower time is consumed to remove blocked pipelines and floor dust, the dust can influence the physical health of workers, and potential safety hazards can be brought.

Disclosure of Invention

The utility model aims to solve the problems that dust is easy to crystallize and adhere to the inner wall of a dust removing pipe 40, a pipeline is blocked and cleaning is difficult in the existing flaker. In order to solve the technical problems, the utility model provides a drawer type dust-proof device for a flaker, wherein the flaker 4 is connected with a dust-removing fan, an exhaust opening 41 is formed at the upper part of the flaker 4, the exhaust opening 41 extends upwards to form a vertical exhaust pipe 42, and the upper end of the exhaust pipe 42 is connected with the dust-removing fan through the dust-removing pipe.

The drawer type dustproof device comprises a box body 1 and a drawer 2.

The box 1 is cube-shaped and is arranged between the exhaust opening 41 and the exhaust pipe 42, a lower opening 11 corresponding to the exhaust opening 41 is formed at the lower side, an upper opening 12 corresponding to the lower end of the exhaust pipe 42 is formed at the upper side, a core replacing opening 13 is formed at the front side, and horizontal guide rails 14 are respectively arranged on the inner walls of the left side and the right side.

The drawer 2 is a rectangular frame surrounded by four rectangular risers 21, the shape of the drawer 2 is matched with the inner wall of the box 1, the drawer 2 can be inserted into the box from the core changing port 13, horizontal sliding strips 22 corresponding to the guide rails 14 are respectively arranged on the left and right outer sides of the drawer 2, and each sliding strip 22 is respectively inserted into each guide rail 14, so that the drawer 2 is detachably installed in the box 1.

The inner side of the drawer 2 is provided with a rectangular transverse plate 23, and each side edge of the transverse plate 23 is respectively fixed with the middle part of the inner side wall of each vertical plate 21.

The middle of the transverse plate 23 is provided with a through hole 24, the through hole 24 is provided with a filter screen 3, and the filter screen 3 covers the through hole 24.

The projections of the lower opening 11, the filter screen 3 and the upper opening 12 in the vertical direction overlap.

The front side of the drawer 2 is provided with a sealing door 25 with an area larger than that of the core changing opening 13, and the sealing door 25 covers the core changing opening 13.

Therefore, when the dust removing fan is used for pumping negative, the drawer type dust-proof device can intercept dust sucked from the flake caustic soda machine on the filter screen 3, so that the flake caustic soda machine can always keep micro negative pressure (-0.1 to-0.2 kpa) and the dust removing pipe can be kept unblocked, and the clean and safe working environment can be effectively kept. The drawer type dust removing device has low manufacturing cost and easy cleaning, can be taken out at any time and periodically to clean without stopping and cleaning, ensures stable continuous production and production yield of a rear system, and saves labor force.

Preferably, a sealing strip or a metal sealing layer is arranged inside the box body 1, and seals the edge of the box body 1. This prevents gaps from forming at the edges of the case 1, and dust leaks from these gaps.

Preferably, the sealing door 25 is provided with a sealing rubber ring 26 corresponding to the shape of the core changing port 13, and the sealing rubber ring 26 seals the joint of the sealing door 25 and the core changing port 13, so that dust can be prevented from leaking from a gap at the joint of the sealing door 25 and the core changing port 13.

Preferably, the screen 3 is removably mounted on the cross plate 23. The filter screen is arranged to be of a detachable structure, so that the filter screen can be conveniently replaced and washed by a worker. The filter screen with other novel materials and apertures can be adjusted and selected according to actual production load and dust removal operation effect, so that the operation elasticity is high and the flexibility is high.

Preferably, the pore diameter of the filter screen is 50 meshes, the filter screen has the best filtering effect on dust, and the dust removing fan can not be influenced to maintain the internal pressure of the flaker.

Preferably, the handle 27 is arranged on the outer side of the sealing door 25, so that a worker can conveniently move the drawer 2, and can conveniently check, clean and replace the drawer 2.

Preferably, the guide rail 14 is horizontally arranged on the left side and the right side in the box body 1, and the number and the positions of the sliding strips 22 correspond to those of the guide rail 14, so that the drawer 2 can be installed more firmly and stably.

Preferably, the sealing door 25 is fixed with the box 1 through the bolt 5, so that the drawer 2 can be installed more firmly, and is prevented from falling out of the box 1.

The utility model also provides a flaker with a drawer type dust-proof device, wherein the flaker 4 is connected with a dust-removing fan, an exhaust opening 41 is formed at the upper part of the flaker 4, the exhaust opening 41 extends upwards to form a vertical exhaust tube 42, the exhaust tube 42 is connected with the dust-removing fan through the dust-removing tube,

the drawer type dust-proof device is arranged between the exhaust opening 41 and the exhaust pipe 42. Therefore, the drawer type dust-proof device can intercept dust sucked from the flake caustic machine on the filter screen 3 when the dust-proof fan is in negative suction, thereby not only ensuring that the inside of the flake caustic machine always keeps micro negative pressure (-0.1 to-0.2 kpa), but also ensuring that the dust-proof pipe is unblocked and not blocked, and effectively keeping the clean and safe operation environment. The drawer type dust removing device has low manufacturing cost and easy cleaning, can be taken out at any time and periodically to clean without stopping and cleaning, ensures stable continuous production and production yield of a rear system, and saves labor force.

Drawings

Fig. 1 is a position explanatory view of a drawer type dust-proof device of the first embodiment;

fig. 2 is an explanatory view of an external structure of a drawer type dust-proof device of the first embodiment;

fig. 3 is an explanatory view of an internal structure of the drawer type dust-proof device of the first embodiment;

fig. 4 is a structural explanatory view of the drawer of the first embodiment, as seen from the rear side of fig. 3;

FIG. 5 is an explanatory view of the drawer type dust keeper of the first embodiment taken along line A-A of FIG. 2;

fig. 6 is a structural explanatory diagram of a drawer type dust keeper of the second embodiment;

fig. 7 is a structural explanatory view of a drawer type dust keeper of the third embodiment;

fig. 8 is an explanatory diagram of a conventional flaker and dust removal fan.

Detailed Description

The following description sets forth embodiments of the utility model, in particular embodiments of the utility model, by way of illustration of a sheeting machine for use in a sheeting process, in conjunction with the accompanying drawings.

Example 1

Fig. 1 shows the position of the drawer-type dust guard, which is mounted on the upper side of the housing of the sheeting machine 4. The upper part of the flaker 4 is provided with an exhaust opening 41, the exhaust opening 41 extends upwards to form a vertical exhaust tube 42, and the upper end of the exhaust tube 42 is connected with a dust removal fan through a dust removal tube.

Fig. 2 is an external structural explanatory view of the drawer type dust-proof device, fig. 3 is an internal structural explanatory view of the drawer type dust-proof device, fig. 4 is a structural explanatory view of the drawer from the rear side of fig. 3 to the front, fig. 5 is an explanatory view of the drawer type dust-proof device taken along A-A in fig. 2, and the structure of the drawer type dust-proof device will be explained below with reference to fig. 1 to 5.

As can be seen in combination with fig. 2 and 3, the drawer type dust-proof device comprises a box body 1 and a drawer 2, wherein the drawer 2 is detachably arranged inside the box body 1. As shown in fig. 4, the middle of the drawer 2 is provided with the filter screen 3, which can block dust and prevent flowing air from passing through, thus preventing dust crystals from adhering to the inner wall of the dust removing pipe to block the pipeline, and preventing the dust removing fan from affecting the state of maintaining micro negative pressure in the flaker 4. And the drawer 2 can be pulled out from the box body 1, so that a worker can conveniently replace the drawer.

The structure of the drawer type dust keeper will be specifically described below.

As shown in fig. 3, the case 1 has a cubic shape, is provided between the suction port 41 and the suction pipe 42, has a lower opening 11 corresponding to the suction port 41 formed on the lower side, has an upper opening 12 corresponding to the lower end of the suction pipe 42 formed on the upper side, and has a core exchanging port 13 formed on the front side. Horizontal guide rails 14 are respectively arranged on the inner walls of the left side and the right side of the box body 1.

As shown in fig. 3, the drawer 2 is a rectangular frame surrounded by four rectangular risers 21, the shape of the rectangular frame is matched with the inner wall of the box 1, the drawer 2 can be inserted into the box from the core exchange opening 13, horizontal sliding strips 22 corresponding to the guide rails 14 are respectively arranged on the left and right outer sides of the drawer 2, and each sliding strip 22 is respectively inserted into each guide rail 14, so that the drawer 2 is detachably mounted in the box 1.

As shown in fig. 4, a rectangular transverse plate 23 is arranged on the inner side of the drawer 2, each side edge of the transverse plate 23 is fixed with the middle part of the inner side wall of each vertical plate 21, a through hole 24 is formed in the middle of the transverse plate 23, a filter screen 3 is detachably arranged on the through hole 24, and the filter screen 3 covers the through hole 24. The filter screen is arranged into a detachable structure, so that a worker can conveniently detach and wash the filter screen, the filter screen made of other novel materials and with apertures can be adjusted and selected according to actual production load and dust removal operation effect, and the operation elasticity is high and the flexibility is high.

Referring to fig. 5, the dashed lines indicate that the lower opening 11 of the tank 1, the sieve 3, and the upper opening 12 of the tank 1 are vertically aligned, i.e. the vertical projections overlap.

With reference to fig. 2, 3 and 5, it can be seen that the front side of the drawer 2 forms a sealing door 25 with an area larger than the core replacing opening 13, and the sealing door 25 covers the core replacing opening 13 to seal the box 1. The sealing door 25 is provided with a sealing rubber ring 26 corresponding to the core changing port 13 in shape, and the sealing rubber ring 26 seals the joint of the sealing door 25 and the core changing port 13. Preventing dust from leaking out of the gap at the joint of the sealing door 25 and the core changing port 13

The outside of sealing door 25 is provided with handle 27, and the staff of being convenient for removes drawer 2, is convenient for inspect, clear up and change drawer 2.

Therefore, when the dust removing fan is used for pumping negative, the drawer type dust-proof device can intercept dust sucked from the flaker on the filter screen 3, so that the situation that the internal micro negative pressure (-0.1 to-0.2 kpa) of the flaker is always kept, the dust removing pipe is unblocked and not blocked can be ensured, and the clean and safe operation environment can be effectively kept. The drawer type dust removing device has low manufacturing cost and easy cleaning, can be taken out at any time and periodically to clean without stopping and cleaning, ensures stable continuous production and production yield of a rear system, and saves labor force.

In addition, a sealing strip or a metal sealing layer is arranged inside the box body 1, and seals the edge of the box body 1. This prevents gaps from forming at the edges of the case 1, and dust leaks from these gaps.

Example two

Fig. 6 is a structural explanatory diagram of a drawer type dust-proof device of the second embodiment.

As shown in fig. 6, this embodiment differs from the first embodiment in that the guide rail 14 has a plurality of horizontal guide rails 14 on the left and right sides in the case 1, respectively, and the number and positions of the slide bars 22 correspond to those of the guide rail 14. Thus, the drawer 2 can be installed more firmly and stably.

Example III

Fig. 7 is a structural explanatory diagram of a drawer type dust-proof device of the third embodiment.

As shown in fig. 7, the difference between the present embodiment and the first embodiment is that the sealing door 25 is fixed to the case 1 by the latch 5, so that the drawer 2 can be installed more firmly, and is prevented from falling out of the case 1.

It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims.

Through practical tests, when the aperture of the filter screen is 50 meshes, the filter screen has the best filtering effect on dust, and the dust removing fan cannot be influenced to maintain the internal pressure of the flaker.

The filter screen is a medium-sized metal screen, uses a novel porous functional material, has ideal and uniform pore size distribution and excellent fluid permeability, has high strength, can better bear thermal stress and impact, and can be mechanically processed, welded, cleaned and regenerated.

In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.

Claims (9)

1. A drawer type dust-proof device for a flaker, the flaker (4) is connected with a dust-removing fan, an exhaust opening (41) is formed at the upper part of the flaker (4), the exhaust opening (41) extends upwards to form a vertical exhaust tube (42), the upper end of the exhaust tube (42) is connected with the dust-removing fan through the dust-removing tube, the dust-proof device is characterized in that,

the drawer type dustproof device comprises a box body (1) and a drawer (2),

the box body (1) is cube-shaped and is arranged between the exhaust opening (41) and the exhaust pipe (42), a lower opening (11) corresponding to the exhaust opening (41) is formed at the lower side, an upper opening (12) corresponding to the lower end of the exhaust pipe (42) is formed at the upper side, a core replacing opening (13) is formed at the front side in an opening manner, horizontal guide rails (14) are respectively arranged on the inner walls of the left side and the right side,

the drawer (2) is a rectangular frame body surrounded by four rectangular vertical plates (21), the shape of the rectangular frame body is matched with the inner wall of the box body (1), horizontal sliding strips (22) corresponding to the guide rails (14) are respectively arranged on the left and right outer sides of the drawer (2), the sliding strips (22) are respectively inserted into the guide rails (14), the drawer (2) is detachably arranged in the box body (1),

the inner side of the drawer (2) is provided with a rectangular transverse plate (23), the middle of the transverse plate (23) is provided with a through hole (24), the through hole (24) is provided with a filter screen (3), the filter screen (3) covers the through hole (24), the vertical projections of the lower opening (11), the filter screen (3) and the upper opening (12) are overlapped,

the front side of the drawer (2) is provided with a sealing door (25) with an area larger than that of the core changing opening (13), and the sealing door (25) covers the core changing opening (13).

2. Drawer-type dust protection device according to claim 1, characterized in that the inside of the box (1) is provided with a sealing strip or metal sealing layer, which seals the edges of the box (1).

3. Drawer-type dust keeper according to claim 1, characterized in that the sealing door (25) is provided with a sealing rubber ring (26) corresponding to the shape of the core changing port (13), and the sealing rubber ring (26) seals the joint of the sealing door (25) and the core changing port (13).

4. A drawer dust control device according to claim 3, characterized in that the screen (3) is detachably mounted on the cross plate (23).

5. A drawer dust control device as claimed in claim 3, wherein the mesh size of the screen is 50 mesh.

6. Drawer-type dust-proof device according to claim 1, characterized in that the outside of the sealing door (25) is provided with a handle (27).

7. Drawer-type dust keeper according to claim 1, characterized in that the guide rail (14) has a plurality of horizontal guide rails (14) on the left and right sides in the case (1), and the number and positions of the slide bars (22) correspond to the guide rail (14).

8. Drawer-type dust-proof device according to claim 1, characterized in that the sealing door (25) is fixed with the box (1) by means of a bolt (5).

9. The flaker (4) is connected with a dust removal fan, an exhaust port (41) is formed at the upper part of the flaker (4), the exhaust port (41) extends upwards to form a vertical exhaust tube (42), the exhaust tube (42) is connected with the dust removal fan through the dust removal tube,

a drawer-type dust-proof device according to any one of claims 1 to 8 is arranged between the exhaust opening (41) and the exhaust pipe (42).