CN219744348U - Dust collecting device of coal mill - Google Patents

Abstract

The utility model discloses a dust collection device of a coal mill, which relates to the technical field of dust collection of the coal mill and comprises a shell and a power box, wherein the bottom surface of the power box is contacted with the upper surface of the shell, two through holes are formed in the upper surface of the shell, a fan is arranged in the shell, connecting plates are fixedly connected to the upper surface and the bottom surface of the fan, and one side surface, away from each other, of the two connecting plates is fixedly connected with the inner top wall and the inner bottom wall of the shell respectively. According to the utility model, the purpose of inhibiting dust and impurities is achieved through a sprayed water source, the problem that dust floats along with air flow when the dust is cleaned in the later stage of filtering is solved, cleaning work can be carried out by taking out the first filter screen and the second filter screen, the cleaning mode is more convenient and quick, and the problem that the filtering work is influenced by blockage caused by the fact that the first filter screen and the second filter screen are not convenient enough for cleaning for a long time is effectively solved only by separating the power box from the shell.

Description

Dust collecting device of coal mill

Technical Field

The utility model relates to the technical field of dust collection of coal mills, in particular to a dust collection device of a coal mill.

Background

The coal grinding process is a process that coal is crushed and the surface area is continuously increased, new surface area is required to be increased, binding force among solid molecules is required to be overcome, energy is consumed, coal is ground into coal dust in a coal mill, the coal is mainly processed in three modes of crushing, shredding and grinding, wherein the energy consumed in the crushing process is the least, the energy is the most consumed in the grinding process, various coal mills have the two or three modes in the pulverizing process, a large amount of dust is generated in the coal grinding process, and therefore a dust collecting device of the coal mill is adopted in the coal grinding process.

According to the chinese patent of application number 202220143755.7, a safe and efficient dust collecting device of coal mill is disclosed, which comprises a box body, a fan, a containing box, a filter screen, a baffle, mounting grooves and a movable block, the containing box is arranged on two sides of the box, the outer wall of the containing box is provided with the fan, the mounting grooves are arranged on two sides of the inner wall of the box, a spray head is arranged inside the mounting grooves, the filter screen is arranged inside the box, the movable block is arranged on two sides of the filter screen, and the baffle is arranged on one side of the movable block.

By adopting the scheme, the utility model has the function of uniform air supply, solves the problem that the conventional bag type dust collector lacks the function of uniform air supply, and leads to the problem that the filter device cannot uniformly achieve the corresponding filter effect to influence the working effect of the bag type dust collector, but the scheme is insufficient in dust treatment during use, dust is scattered in the drawer completely, when the dust is cleaned, the drawer is required to be opened, part of the dust is blown and scattered along with the air to float along with the air along with the flowing of the air, and the filter screen is adopted for filtering the dust for a long time, and if the filter screen is not convenient enough to clean for a long time, the filter screen is blocked, so that the slow work progress is caused, therefore, the coal mill dust collection device is provided by a person skilled in the art, and the problem in the background technology is solved.

Disclosure of Invention

The utility model aims to provide a coal mill dust collection device, which can carry out atomization inhibition treatment on filtered dust and impurities when in use, avoid the problem that the dust floats along with air flow when in cleaning, and can also clean a filter screen at any time, thereby solving the problem that the filter screen is not convenient enough to clean, and the working progress is influenced by blockage.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a coal mill dust arrester installation, includes casing and headstock, the bottom surface of headstock is contacted with the upper surface of casing, two openings have been seted up to the upper surface of casing, the inside of casing is equipped with the fan, the equal fixedly connected with connecting plate of upper surface and bottom surface of fan, two a side that the connecting plate kept away from each other is respectively with the interior roof and interior bottom wall fixed connection of casing, one side of fan input and one side of output are equipped with two first filter screens and two second filter screens respectively, every the top of first filter screen and the top of every second filter screen all run through the mouth and with the bottom surface fixed connection of headstock, the interior bottom wall fixed connection of headstock is equipped with the suction pump, the output of suction pump is linked together with the upper surface of communicating pipe, two sockets have been seted up to the bottom surface of headstock, the bottom of connecting pipe is fixed to be linked together two drain pipes, every the bottom of drain pipe all runs through socket and mouth in proper order and extends to the inside of casing, every the bottom of drain pipe is fixed with two atomizer respectively between two second filter screens and two.

Preferably, the external surface fixedly connected with two closing plates of suction pump input, two a side that the closing plate kept away from each other all with the inside wall fixed connection of headstock, the external surface fixedly connected with two reinforcing plates of suction pump, every the upper surface of reinforcing plate all with the bottom surface fixed connection of closing plate, every the bottom surface of reinforcing plate all with communicating pipe's upper surface fixed connection.

Preferably, the middle part of headstock upper surface is fixed to be linked together and is had the water injection pipe, the left and right sides face of casing is fixed to be linked together respectively and is had dirt inlet pipe and blast pipe, the bottom surface fixed intercommunication of casing has the blow off pipe that is the U type form, the bottom surface fixed intercommunication of blow off pipe has the blow off valve pipe.

Preferably, the upper surface of the blow-down pipe is fixedly connected with a reinforcing block, and the upper surface of the reinforcing block is fixedly connected with the bottom surface of the shell.

Preferably, the bottom surface fixedly connected with two fixed legs of casing, two fixed legs are all with blow off pipe's surface fixed connection mutually near a side.

Preferably, two stabilizing holes are formed in the upper surface of the shell, two stabilizing rods matched with the stabilizing holes are fixedly connected to the bottom surface of the power box, the bottom ends of the stabilizing rods are all extended to the inside of the stabilizing holes, and handles are fixedly connected to the left side surface and the right side surface of the power box.

Preferably, an observation cover is fixedly inlaid on the front surface of the shell, and the observation cover is transparent.

The beneficial effects of the utility model are as follows:

1. through being provided with the fan, can produce certain suction through the power that the fan provided in the casing inside, through the suction, be convenient for inhale the casing inside with gas, through being provided with first filter screen, can carry out first filtration work to the gas that enters into the casing inside, through being provided with the second filter screen, can carry out filtration work again to the gas that discharges from the casing inside, through the dual filtration of admitting air and exhaust, filterable work efficiency has been improved, through being provided with the suction pump, can carry out the work of drawing water through the power that the aspiration pump provided, through the intercommunication cooperation between suction pump, communicating pipe, drain pipe and the atomizer, can make the water source of drawing in be the atomizing form and spray between first filter screen and second filter screen, through the water source of spraying, reach the purpose of restraining dust and impurity, the problem that floats is carried out along with the air flow when solving the dust and only filtering later stage clearance;

2. through separating headstock and casing, add first filter screen and second filter screen and headstock fixed connection, consequently can outwards take out first filter screen and second filter screen from the inside of casing through the opening, take out through first filter screen and second filter screen, can clear up the work, this clearance mode is comparatively convenient, only need with headstock and casing separation can, the effectual first filter screen of solution and second filter screen clearance are not convenient enough for the long-time filtration appear blockking up the problem that influences filtration work.

Drawings

FIG. 1 is a cross-sectional view of a front view of a housing of the present utility model;

FIG. 2 is a cross-sectional view of the power box of the present utility model;

fig. 3 is a front view of the housing of the present utility model.

In the figure: 1. a housing; 2. a handle; 3. a first filter screen; 4. a through port; 5. a connecting plate; 6. a water injection pipe; 7. a drain pipe; 8. a power box; 9. an atomizing nozzle; 10. a second filter screen; 11. a stabilizing hole; 12. an exhaust pipe; 13. a stabilizer bar; 14. a dust inlet pipe; 15. a fixed leg; 16. a blow-down pipe; 17. a reinforcing block; 18. a blow-down valve pipe; 19. a blower; 20. a sealing plate; 21. a socket; 22. a reinforcing plate; 23. a water pump; 24. a communicating pipe; 25. the cover is observed.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, the present utility model: the utility model provides a coal mill dust arrester installation, including casing 1 and headstock 8, the bottom surface of headstock 8 contacts with the upper surface of casing 1, two stabilizing holes 11 have been seted up to the upper surface of casing 1, the bottom surface fixedly connected with of headstock 8 two stabilizer bars 13 with stabilizing hole 11 looks adaptation, the bottom of every stabilizer bar 13 all extends to stabilizing hole 11's inside, through the cooperation between stabilizer bar 13 and the stabilizing hole 11, the stability of headstock 8 in casing 1 top has been increased, avoid appearing the problem that drops, the equal fixedly connected with handle 2 of left and right sides face of headstock 8, through being provided with handle 2, play supplementary purpose, be convenient for better drive headstock 8 and casing 1 carry out the separation work.

The upper surface of casing 1 has seted up two through-holes 4, the inside of casing 1 is equipped with fan 19, the equal fixedly connected with connecting plate 5 in upper surface and the bottom surface of fan 19, a side that two connecting plates 5 keep away from each other respectively with the inside roof and the interior bottom wall fixed connection of casing 1, one side of fan 19 input and one side of output are equipped with two first filter screens 3 and two second filter screens 10 respectively, the top of every first filter screen 3 and the top of every second filter screen 10 all run through-hole 4 and with the bottom surface fixed connection of headstock 8, the interior bottom wall fixed connection of headstock 8 has communicating pipe 24, the inside of headstock 8 is equipped with suction pump 23, suction pump 23 input's surface fixed connection has two closing plates 20, a side that two closing plates 20 keep away from each other all with the inside wall fixed connection of headstock 8, through being provided with closing plate 20, the purpose of playing the sealing is convenient for deposit in sealing plate 20's top, suction pump 23's surface fixed connection has two reinforcing plates 22, the upper surface of every reinforcing plate 22 all with sealing plate 20's bottom surface fixed connection, reinforcing plate 24 and the equal purpose of shaking in the fixed connection of headstock 24 can avoid appearing in the process simultaneously.

The output of suction pump 23 is linked together with communicating pipe 24's upper surface, and two sockets 21 have been seted up to the bottom surface of headstock 8, and communicating pipe 24's bottom surface fixed communication has two drain pipes 7, and the bottom of every drain pipe 7 all runs through socket 21 and opening 4 in proper order and extends to the inside of casing 1, and the bottom of every drain pipe 7 all fixed communication has atomizer 9, and two atomizer 9 are located respectively between two first filter screens 3 and two second filter screens 10.

The fixed intercommunication in middle part of power box 8 upper surface has water injection pipe 6, through being provided with water injection pipe 6, be convenient for carry out the water injection work to the inside of power box 8, the fixed intercommunication in left and right sides face of casing 1 respectively has dust inlet pipe 14 and blast pipe 12, through dust inlet pipe 14, can make inside gas entering casing 1, through being provided with blast pipe 12, can make the inside outside discharge of casing 1 of gas after filtering, the fixed intercommunication in bottom surface of casing 1 has blow off pipe 16 that is the U type form, the fixed intercommunication in bottom surface of blow off pipe 16 has blow off valve pipe 18, through the cooperation between blow off pipe 16 and the blow off valve pipe 18, can outwards discharge from casing 1 inside with the dust after the suppression processing, avoid discharging the clearance to have the difficult problem.

The upper surface fixedly connected with reinforcing block 17 of blow off pipe 16, the upper surface of reinforcing block 17 and the bottom surface fixed connection of casing 1 play the purpose of consolidating blow off pipe 16 through being provided with reinforcing block 17, avoid not having the problem that shakes appearing in the reinforcement measure working process, the bottom surface fixed connection of casing 1 has two fixed legs 15, a side that two fixed legs 15 are close to each other all with the surface fixed connection of blow off pipe 16, through being provided with fixed leg 15, increase the stability of the device, and can consolidate the work to blow off pipe 16 again.

The front of the shell 1 is fixedly inlaid with the observation cover 25, the observation cover 25 is transparent, and the filtering condition inside the shell 1 can be observed at any time by arranging the transparent observation cover 25, so that the auxiliary purpose is achieved.

The working principle of the utility model is that; when the novel dust-removing device is used, firstly, a water source is injected to the upper part of the sealing plate 20 in the power box 8 through the water injection pipe 6, then the water pump 23 and the fan 19 are connected with a power supply, the water pump 23 can pump the water source into the communicating pipe 24, finally, the water source is sprayed downwards between the first filter screen 3 and the second filter screen 10 in an atomized form through the water discharge pipe 7 and the atomizing nozzle 9, the power provided by the fan 19 can generate suction force in the shell 1, the suction force can suck gas into the shell 1 through the dust inlet pipe 14, the gas can be firstly contacted with the first filter screen 3 when entering the shell 1, the first filter screen 3 can carry out first filtering work on the gas, then the second filter screen 10 can carry out filtering work on the gas again, the filtered gas can be discharged outwards through the exhaust pipe 12, the water source sprayed between the first filter screen 3 and the second filter screen 10 can inhibit the dust and impurities after filtering, the blow-off valve pipe 18 is opened, the dust and impurities can be discharged outwards along with the sewage through the sewage discharge pipe 16, and the cleaning work can be completed, and the problem that the air floats only along with the air flowing after the dust filtering stage is cleaned is solved;

when needs are to clear up first filter screen 3 and second filter screen 10, after the inside water source of headstock 8 sprays the completion, after the work of gathering dust, the staff drives headstock 8 and casing 1 separation through handle 2, can take out first filter screen 3 and second filter screen 10 from casing 1 inside through opening 4 in the time of the separation, can clear up the work after first filter screen 3 and second filter screen 10 take out, insert casing 1 inside can continue to use next time through opening 4 with first filter screen 3 and second filter screen 10 after the clearance is finished again, the long-time use clearance inconvenient problem of first filter screen 3 and second filter screen 10 has been solved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a coal mill dust arrester installation, includes casing (1) and headstock (8), its characterized in that: the bottom surface of power box (8) is contacted with the upper surface of casing (1), two through openings (4) have been seted up to the upper surface of casing (1), the inside of casing (1) is equipped with fan (19), the upper surface and the bottom surface of fan (19) all fixedly connected with connecting plate (5), two the side that connecting plate (5) kept away from each other is respectively with the interior roof and interior bottom wall fixed connection of casing (1), one side of fan (19) input and one side of output are equipped with two first filter screen (3) and two second filter screen (10) respectively, every the top of first filter screen (3) and the top of every second filter screen (10) all run through opening (4) and with the bottom surface fixed connection of power box (8), the interior bottom wall fixed connection of power box (8) is equipped with communicating pipe (24), the inside of power box (8) is equipped with suction pump (23), the output of suction pump (23) is linked together with the upper surface of communicating pipe (24), the bottom surface (8) is equipped with two through openings (21) of water drain pipe (7) are connected to the bottom surface of power box (8) in proper order, the bottom surface (21) is connected to the bottom of two drain pipes (7) that extend through opening (7) in proper order, the bottom of each drain pipe (7) is fixedly communicated with an atomizing nozzle (9), and two atomizing nozzles (9) are respectively positioned between two first filter screens (3) and two second filter screens (10).

2. The coal mill dust collection device according to claim 1, wherein: the external surface fixedly connected with two closing plates (20) of suction pump (23) input, two the side that closing plate (20) kept away from each other all with the inside wall fixed connection of headstock (8), the external surface fixedly connected with two reinforcing plate (22) of suction pump (23), every the upper surface of reinforcing plate (22) all with the bottom surface fixed connection of closing plate (20), every the bottom surface of reinforcing plate (22) all with the upper surface fixed connection of communicating pipe (24).

3. The coal mill dust collection device according to claim 1, wherein: the middle part of headstock (8) upper surface is fixed to be linked together and is had water injection pipe (6), the left and right sides face of casing (1) is fixed to be linked together respectively and is had dust inlet pipe (14) and blast pipe (12), the bottom surface fixed intercommunication of casing (1) has blow off pipe (16) that are U type form, the bottom surface fixed intercommunication of blow off pipe (16) has blow off valve pipe (18).

4. A coal mill dust collection device according to claim 3, wherein: the upper surface of blow off pipe (16) fixedly connected with consolidates piece (17), the upper surface of consolidate piece (17) and the bottom surface fixed connection of casing (1).

5. A coal mill dust collection device according to claim 3, wherein: two fixed legs (15) are fixedly connected to the bottom surface of the shell (1), and one side surface, close to each other, of each fixed leg (15) is fixedly connected with the outer surface of the sewage draining pipe (16).

6. The coal mill dust collection device according to claim 1, wherein: two stabilizing holes (11) are formed in the upper surface of the shell (1), two stabilizing rods (13) matched with the stabilizing holes (11) are fixedly connected to the bottom surface of the power box (8), the bottom ends of the stabilizing rods (13) are all extended to the inside of the stabilizing holes (11), and handles (2) are fixedly connected to the left side surface and the right side surface of the power box (8).

7. The coal mill dust collection device according to claim 1, wherein: an observation cover (25) is fixedly inlaid on the front face of the shell (1), and the observation cover (25) is transparent.