CN215585759U

CN215585759U - A clean dust collector for portland cement preparation

Info

Publication number: CN215585759U
Application number: CN202122198447.2U
Authority: CN
Inventors: 沈根兴
Original assignee: Tongxiang Gaoyang Cement Co ltd
Current assignee: Tongxiang Gaoyang Cement Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-21
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a clean dust removal device for portland cement preparation, which comprises a seal box, wherein a first cavity is formed in the seal box, a filter box is arranged in the first cavity, the filter box is provided with a plurality of filter bags for filtering dust, a second cavity for placing the filter bags is formed in the filter box, the top wall of the filter box is provided with a plurality of through holes for air to pass through, one end of an air inlet pipe is communicated with the second cavity, one end of an air outlet pipe is communicated with the first cavity, the other end of the air outlet pipe is communicated with an exhaust fan, the air outlet pipe is positioned above the filter bags, the air inlet pipe is positioned below the filter bags, the bottom of the filter box is communicated with the seal box, the seal box is provided with liquid water, and the liquid water is positioned in the first cavity. This application makes the dust after removing dust be difficult to raise in first cavity through setting up liquid water, makes the filter bag be difficult to take place to block up.

Description

A clean dust collector for portland cement preparation

Technical Field

The utility model relates to the field of cement production and treatment equipment, in particular to a clean dust removal device for portland cement preparation.

Background

The cement industry is a high-consumption and high-pollution industry, and the continuous and large increase of the cement yield brings huge pressure to resources and environment; the main pollution sources of the cement industry which affect the atmosphere are dust and waste gas, the dust pollution emission is greatly higher than that of the same industry in foreign countries, the dust is mainly caused by the waste gas emission or overflow generated in the processes of raw material preparation, cement finished product storage and transportation, material crushing, drying, powder, calcining and the like in the cement production process, the dust in the cement is usually filtered by cloth bag type dust removing equipment, the dust is left at the bottom of the dust removing equipment due to the self gravity, and clean gas is discharged out of the dust removing equipment after the dust is filtered by a filter bag.

Aiming at the related art, the inventor considers that the defects are that in the working process of the dust removing equipment, dust at the bottom is easy to raise in the dust removing equipment, and a filter bag is easy to block after long-time use in the related art, so that the filtering effect of the dust removing equipment is adversely affected.

SUMMERY OF THE UTILITY MODEL

In order to improve the in-process dust of dust collecting equipment work and raise in the rose box easily, block up the problem of filter bag after long-time use easily, this application provides a clean dust collector for portland cement preparation.

The application provides a clean dust collector for portland cement preparation adopts following technical scheme:

a cleaning and dust removing device for preparing portland cement comprises a seal box, wherein a first cavity is formed in the seal box, a filter box is arranged in the first cavity, the filter box is provided with a plurality of filter bags for filtering dust, the filter box is provided with a second cavity for placing the filter bags, the seal box is provided with an air inlet pipe and an air outlet pipe, the seal box is provided with a through hole for the air inlet pipe to penetrate through, the filter box is provided with a through hole for the air inlet pipe to penetrate through, the seal box is provided with a through hole for the air outlet pipe to penetrate through, the air outlet pipe is positioned at the top of the filter box, the top wall of the filter box is provided with a plurality of through holes for air to pass through, one end of the air inlet pipe is communicated with the second cavity, the other end of the air inlet pipe is communicated with an external cement preparation device, one end of the air outlet pipe is communicated with the first cavity, and the other end of the air outlet pipe is communicated with an exhaust fan, the air outlet pipe is located above the filter bag, the air inlet pipe is located below the filter bag, the bottom of the filter box is communicated with the seal box, the seal box is provided with liquid water, and the liquid water is located in the first cavity.

Through adopting above-mentioned technical scheme, the filter bag is at the in-process that filters the dust, and the dust is because the gravity of self drops to the bottom of second cavity and fuses with liquid water to make the dust in the rose box be difficult to raise, and then make the filter bag be difficult to take place to block up, prolonged the live time of filter bag.

Optionally, a drawer for storing liquid water is slidably arranged at the bottom of the seal box, the drawer is communicated with the first cavity, the drawer is provided with two sliding blocks, one sliding block is located on one side of the drawer, the other sliding block is located on the other side of the drawer, and two grooves for the sliding blocks to slide are formed in the inner wall of the seal box.

Through adopting above-mentioned technical scheme, when the dust accumulation in the seal box reached a certain amount, opened the drawer, then the manual work is clean up with the sewage in the drawer, then changes new liquid water, has the convenient beneficial effect of changing liquid water in the seal box.

Optionally, a water valve for discharging sewage is arranged at the bottom of the drawer.

Through adopting above-mentioned technical scheme, when the dust accumulation reaches a certain amount, open the water valve, discharge sewage, have the beneficial effect of conveniently handling sewage.

Optionally, the seal box is provided with an air bag, the air bag is located on the side wall of the seal box, the air bag is located above the filter bag, the air bag is communicated with an injection tube for injecting air into the filter bag, the injection tube is located above the filter box, the injection tube is provided with a plurality of through holes for injecting air into the filter bag, and the injection tube is provided with an electromagnetic pulse valve for controlling the injection of the injection tube.

By adopting the technical scheme, the electromagnetic pulse valve is switched on after the dust removal device works for a period of time, so that gas in the gas bag is sprayed downwards through the spray pipe to clean the filter bag by spraying gas, and the beneficial effect that the filter bag is not easy to block is achieved.

Optionally, the outer side wall of the seal box is provided with an observation window for observing liquid water.

Through adopting above-mentioned technical scheme, through the integration condition of observation window observation liquid water and dust, when the density of dust is very big, with the sewage discharge in the drawer, have the beneficial effect of conveniently observing the dust accumulation.

Optionally, the drawer bottom intercommunication has the back flow, back flow one end and drawer bottom intercommunication, the back flow other end and first cavity intercommunication, the back flow includes body and bellows, the body is linked together with the bellows, the one end that the back flow is close to the drawer bottom is provided with the filter screen, the intercommunication has the water pump that is used for taking out the water in the drawer to first cavity on the back flow, be provided with the manometer that is used for measuring the back flow internal pressure on the back flow.

Through adopting above-mentioned technical scheme, the water pump constantly works, makes the liquid water in the drawer through the filter back of filter screen constantly through the back flow circulation flow, and when the impurity of liquid aquatic reached a quantitative, the back flow can take place to block up to lead to the index of manometer to rise, make the impurity content of assurance liquid aquatic that the staff can be more accurate through such setting.

Optionally, one side intercommunication that the seal box was kept away from to the air exhauster has the exhaust pipe, the vertical setting of exhaust pipe, the one end that the air exhauster was kept away from to the exhaust pipe is provided with rain-proof cover, air feed exhaust logical groove has been seted up to rain-proof cover.

Through adopting above-mentioned technical scheme, the combustion gas is because density is less so can the upward movement, and the setting up of rain-proof cover makes dust collector be difficult to receive the influence of rainwater, makes the filter bag be difficult to take place to block up.

Optionally, the bottom of seal box is provided with a plurality of support, the bottom of support all is provided with the regulating block, the equal fixedly connected with bolt of regulating block, the screw hole with bolt looks adaptation is all seted up to the support.

Through adopting above-mentioned technical scheme, rotate the regulating block, under the effect of bolt, adjust the distance between regulating block and the support to the length of conveniently adjusting the support has the work of the different ground condition of adaptation, makes the in-process of dust collector work more stable.

In summary, the present application includes at least one of the following benefits:

the filter bag is at the in-process that filters the dust, and the dust is because the gravity of self drops to the bottom of second cavity and fuses with liquid water to make the dust in the rose box be difficult to raise, and then make the filter bag be difficult to take place to block up, prolonged the live time of filter bag.

Drawings

FIG. 1 is a perspective view of a clean dust removing apparatus for portland cement production in an embodiment of the present application.

FIG. 2 is a sectional view of a clean dust removing apparatus for portland cement production in an example of the present application.

Description of reference numerals: 1. a sealing box; 2. a first cavity; 3. a filter box; 4. a filter bag; 5. a second cavity; 6. an air inlet pipe; 7. an air outlet pipe; 8. an exhaust fan; 9. liquid water; 10. a drawer; 11. a slider; 12. a groove; 13. a water valve; 14. air bags; 15. a blowing pipe; 16. an electromagnetic pulse valve; 17. an observation window; 18. a return pipe; 19. filtering with a screen; 20. a water pump; 21. a pressure gauge; 22. an exhaust duct; 23. a rain cover; 24. a support; 25. an adjusting block; 26. a bolt; 27. a pipe body; 28. a bellows.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a clean dust collector for portland cement preparation. Referring to fig. 1 and 2, the cleaning and dust removing device for preparing portland cement comprises a seal box 1 and a filter box 3, wherein a first cavity 2 is formed in the inner wall of the seal box 1, the filter box 3 is arranged in the first cavity 2, the filter box 3 is provided with a second cavity 5, the filter box 3 is provided with a plurality of filter bags 4 for filtering dust, the filter bags 4 are positioned in the second cavity 5, the seal box 1 is provided with an observation window 17 for observing the sewage condition in the seal box 1, the seal box 1 is provided with an air inlet pipe 6 and an air outlet pipe 7, the seal box 1 is provided with through holes for the air inlet pipe 6 to penetrate through, the filter box 3 is provided with through holes for the air inlet pipe 6 to penetrate through, the seal box 1 is provided with through holes for the air outlet pipe 7 to penetrate through, the air outlet pipe 7 is positioned at the top of the filter box 3, the top of the filter box 3 is provided with a plurality of through holes for the air to pass through, one end of the air outlet pipe 7 is communicated with the first cavity 2, the other end intercommunication of going out tuber pipe 7 has air exhauster 8, the one end intercommunication that air exhauster 8 kept away from out tuber pipe 7 has the exhaust pipe 22 of vertical setting, the one end that exhaust pipe 22 kept away from air exhauster 8 is provided with rain-proof cover 23, air feed body exhaust logical groove is seted up to rain-proof cover 23, seal box 1's bottom is provided with a plurality of support 24, the bottom of support 24 all rotates and is provided with regulating block 25, the bolt 26 of the vertical setting of every regulating block 25 equal fixedly connected with, the screw hole with bolt 26 looks adaptation is all seted up to support 24 bottom.

Referring to fig. 1 and 2, one end of an air inlet pipe 6 is communicated with a second cavity 5, the other end of the air inlet pipe 6 is communicated with an external cement preparation device, the air inlet pipe 6 is located below a filter bag 4, the bottom of a filter box 3 is communicated with a seal box 1, a drawer 10 is slidably arranged at the bottom of the seal box 1, liquid water 9 for dissolving dust is arranged in the drawer 10, the drawer 10 is provided with two sliders 11, one slider 11 is located on one side of the drawer 10, the other slider 11 is located on the other side of the drawer 10, two grooves 12 for sliding the sliders 11 are formed in the inner side wall of the seal box 1, and a water valve 13 for discharging sewage is arranged at the bottom of the drawer 10.

Referring to fig. 1 and 2, a gas bag 14 for storing gas is arranged on the side wall of a seal box 1, the gas bag 14 is positioned above a filter bag 4, the gas bag 14 is communicated with an injection tube 15 for injecting gas into the filter bag 4, the injection tube 15 is positioned above a filter box 3, the seal box 1 is provided with a through hole for the injection tube 15 to penetrate, the injection tube 15 is provided with a plurality of through holes for injecting gas into the filter bag 4, and the injection tube 15 is provided with an electromagnetic pulse valve 16 for controlling the operation of the injection tube 15.

Referring to fig. 1 and 2, a return pipe 18 is communicated with the bottom of the drawer 10, one end of the return pipe 18 is communicated with the bottom of the drawer 10, the other end of the return pipe 18 is communicated with the first cavity 2, the return pipe 18 comprises a pipe body 27 and a corrugated pipe 28, the pipe body 27 is communicated with the corrugated pipe 28, a filter screen 19 is arranged at one end of the return pipe 18 close to the bottom of the drawer 10, a water pump 20 for pumping water in the drawer 10 into the first cavity 2 is arranged on the return pipe 18, and a pressure gauge 21 for measuring pressure in the return pipe 18 is arranged on the return pipe 18.

The implementation principle of the cleaning and dust removing device for preparing the portland cement in the embodiment of the application is as follows: when the air draft pump works, pressure difference is formed in the filter box 3, the air inlet pipe 6 is communicated with an external cement preparation device, dust of the external cement preparation device is sucked into the filter box 3, the dust is filtered by the filter bag 4 in the filter box 3, clean air is discharged out of the seal box 1 through the air outlet pipe 7, impurities fall on the bottom of the filter box 3 due to self gravity and are fused with liquid water 9 in the drawer 10, the sewage in the drawer 10 continuously enters the first cavity 2 after being filtered by the filter screen 19 due to continuous work of the water pump 20 and finally falls into the drawer 10, when the amount of the impurities reaches a certain degree, the pressure in the return pipe 18 is increased, the numerical value of the pressure gauge 21 is increased, at the moment, a worker closes the water pump 20 and opens the water valve 13 to discharge the sewage in the drawer 10, then opens the drawer 10 to inject clean liquid water 9 into the drawer 10 again, due to the arrangement of the liquid water 9, dust in the dust removal box is not easy to fly in the filter box 3, so that the filter bag 4 is not easy to block, and the service life of the filter bag 4 is prolonged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cleaning and dust removing device for preparing portland cement comprises a seal box (1), wherein a first cavity (2) is formed in the seal box (1), a filter box (3) is arranged in the first cavity (2), the filter box (3) is provided with a plurality of filter bags (4) for filtering dust, a second cavity (5) for placing the filter bags (4) is formed in the filter box (3), the seal box (1) is provided with an air inlet pipe (6) and an air outlet pipe (7), the seal box (1) is provided with through holes for the air inlet pipe (6) to penetrate through, the filter box (3) is provided with through holes for the air inlet pipe (6) to penetrate through, the seal box (1) is provided with through holes for the air outlet pipe (7) to penetrate through, the air outlet pipe (7) is positioned at the top of the filter box (3), the top wall of the filter box (3) is provided with a plurality of through holes for air to pass through, air-supply line (6) one end and second cavity (5) intercommunication, the air-supply line (6) other end and external cement preparation device intercommunication, it communicates with first cavity (2) to go out tuber pipe (7) one end, it has air exhauster (8) to go out tuber pipe (7) other end intercommunication, it is located to go out tuber pipe (7) the top of filter bag (4), air-supply line (6) are located the below of filter bag (4), its characterized in that: the bottom of the filter box (3) is communicated with the seal box (1), liquid water (9) is arranged in the seal box (1), and the liquid water (9) is located in the first cavity (2).

2. The clean dust removal device for portland cement production according to claim 1, wherein: the sealing box is characterized in that a drawer (10) used for storing liquid water (9) is arranged at the bottom of the sealing box (1) in a sliding mode, the drawer (10) is communicated with the first cavity (2), two sliding blocks (11) are arranged on the drawer (10), one sliding block (11) is located on one side of the drawer (10), the other sliding block (11) is located on the other side of the drawer (10), and two grooves (12) for the sliding blocks (11) to slide are formed in the inner wall of the sealing box (1).

3. The clean dust removal device for portland cement production as claimed in claim 2, wherein: a water valve (13) for discharging sewage is arranged at the bottom of the drawer (10).

4. The clean dust removal device for portland cement production according to claim 1, wherein: the air bag type filter is characterized in that an air bag (14) is arranged on the seal box (1), the air bag (14) is located on the side wall of the seal box (1), the air bag (14) is located above the filter bag (4), the air bag (14) is communicated with an injection tube (15) for injecting air to the filter bag (4), the injection tube (15) is located above the filter box (3), the injection tube (15) is provided with a plurality of through holes for injecting air to the filter bag (4), and an electromagnetic pulse valve (16) for controlling the injection of the injection tube (15) is arranged on the injection tube (15).

5. The clean dust removal device for portland cement production according to claim 1, wherein: the outer side wall of the seal box (1) is provided with an observation window (17) for observing liquid water (9).

6. The clean dust removal device for portland cement production as claimed in claim 2, wherein: drawer (10) bottom intercommunication has back flow (18), back flow (18) one end and drawer (10) bottom intercommunication, back flow (18) other end and first cavity (2) intercommunication, back flow (18) are including body (27) and bellows (28), body (27) are linked together with bellows (28), back flow (18) are close to the one end of drawer (10) bottom and are provided with filter screen (19), the intercommunication has water pump (20) that are used for taking out the water in drawer (10) in first cavity (2) on back flow (18), be provided with manometer (21) that are used for measuring back flow (18) internal pressure on back flow (18).

7. The clean dust removal device for portland cement production according to claim 1, wherein: one side intercommunication that seal box (1) was kept away from in air exhauster (8) has exhaust pipe (22), the vertical setting of exhaust pipe (22), the one end that air exhauster (8) were kept away from in exhaust pipe (22) is provided with rain-proof cover (23), air feed exhaust logical groove has been seted up in rain-proof cover (23).

8. The clean dust removal device for portland cement production according to claim 1, wherein: the bottom of seal box (1) is provided with a plurality of support (24), the bottom of support (24) all is provided with regulating block (25), the equal fixedly connected with bolt (26) of regulating block (25), the screw hole with bolt (26) looks adaptation is all seted up in support (24).