CN216272108U

CN216272108U - Dry fog dust suppression system for coal conveying transfer station

Info

Publication number: CN216272108U
Application number: CN202121306311.2U
Authority: CN
Inventors: 刘国梁; 董强
Original assignee: Shandong Dongshan Xinyi Coal Mine Co Ltd
Current assignee: Shandong Dongshan Xinyi Coal Mine Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-04-12
Anticipated expiration: 2031-06-10

Abstract

The utility model provides a dry fog dust settling system for a coal conveying transfer station, which relates to the technical field of coal mine dust settling and comprises a dry fog generating device and a plurality of spraying device assemblies, wherein the dry fog generating device is connected with the spraying device assemblies, the spraying device assemblies comprise a box body and sprayers, and the sprayers are arranged on the box body. Water in the water-gas distributor is conveyed to the dry fog spray head through a water pipe, the dry fog spray head can instantly generate a large amount of fine dry fog in the box body of the semi-closed structure, water gas is atomized in the dry fog spray head and then is sprayed to a coal dust point in the form of 10-30 mu m of fine fog, and then the coal dust is adsorbed and settled, so that the purpose of dust suppression is achieved.

Description

Dry fog dust suppression system for coal conveying transfer station

Technical Field

The utility model relates to the technical field of coal mine dust fall, in particular to a dry fog dust fall system for a coal conveying transfer station.

Background

The moisture of the raw coal lifted by the coal mine is relatively low, the coal is subjected to screening, crushing, transshipment transportation, warehousing, feeding and other links with larger dust production amount in the washing processing of the coal preparation plant, and the number of transshipment points of a new courier coal preparation plant is large, the coal falling of each transshipment point is easy to generate a large amount of coal dust, the dust becomes one of main harm factors of the new courier coal preparation plant, the dust seriously pollutes the environment, worsens the working environment of workers, is a loss to the material, and can accelerate the abrasion of equipment and reduce the insulation level of electric appliances. More serious, the coal dust in the operation place easily enters the lung of the worker along with breathing, so that pneumoconiosis is easily caused for a long time, the health of the worker is seriously influenced, and the important factor influencing occupational health is realized.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a dry fog dust-settling system for a coal conveying transfer station, so as to achieve the beneficial effect of reducing coal dust.

The utility model provides a dry fog dust fall system for a coal conveying transfer station, which comprises a dry fog generating device and a plurality of spraying device assemblies, wherein the dry fog generating device is connected with the spraying device assemblies, the spraying device assemblies comprise a box body and sprayers, and the sprayers are arranged on the box body. The application provides a dry fog dust fall system for coal conveying transfer station can carry out the dust fall simultaneously to a plurality of different positions and handle, and dry fog generating device can produce thinner even water smoke, has not only improved the hydrophilicity of breathing the dust, has realized the entrapment to breathing the dust simultaneously for dust fall efficiency reaches more than 98%.

Furthermore, the quantity of atomizer assembly is three, and is three the atomizer assembly sets up respectively in guiding gutter export, conveyer belt middle part and conveyer belt afterbody, can carry out the dust fall to above-mentioned three position simultaneously and handle.

Furthermore, the dry fog generating device comprises an air compressor, an air storage tank, a dry fog machine and a water-air distributor which are sequentially connected through an air pipe, and the dry fog machine, the water-air distributor and the sprayer are sequentially communicated through a water pipe.

Further, the box body is of a rectangular structure, the box body comprises a top plate and a bottom plate, the top plate and the bottom plate are connected through side plates, feed inlets are formed in the side plates, discharge outlets are formed in the bottom plate, and the sprayers are arranged on the top plate at intervals, so that the box body is of a semi-closed structure, and dry fog can be conveniently gathered.

Furthermore, the atomizer includes dry fog shower nozzle, universal joint and mount, the dry fog shower nozzle passes through the universal joint and links to each other with the mount, aqueous vapor distributor leads to pipe and trachea and dry fog shower nozzle intercommunication respectively, and you are convenient for adjust the direction of spraying of dry fog shower nozzle.

Furthermore, the dry fog machine adopts a micron-sized dry fog machine, and micron-sized dry fog can be produced.

Furthermore, the spraying direction of a sprayer in the spraying device assembly on the outlet of the diversion trench is opposite to the coal flow direction, so that dry fog and raised coal dust can be fully mixed.

Furthermore, the spraying direction of the sprayers in the spraying device assemblies in the middle of the conveying belt and at the tail of the conveying belt is the same as the flowing direction of coal dust, so that dry fog and raised coal dust can be fully mixed.

The utility model has the beneficial effects that:

1. the utility model provides a dry fog dust-settling system for a coal conveying transfer station, which comprises a dry fog generating device and spraying device assemblies, wherein the dry fog generating device is connected with the spraying device assemblies, the three spraying device assemblies are respectively arranged at the outlet of a diversion trench, the middle part of a conveying belt and the tail part of the conveying belt, and the three positions generating more coal dust can be subjected to dust-settling treatment simultaneously.

2. The dry fog generating device can generate fine and uniform water fog, so that the hydrophilicity of the breathing dust is improved, the trapping of the breathing dust is realized, and the dust falling efficiency reaches more than 98%.

3. Water in the water-gas distributor is conveyed to the dry-fog spray heads through the water pipes, a large amount of fine dry fog is generated in the semi-closed box body instantly by the dry-fog spray heads, water gas is atomized in the dry-fog spray heads and then sprayed to coal dust points in the form of 10-30 mu m fine fog, coal dust is adsorbed and settled, air humidity in the area is saturated rapidly, and saturated water vapor is in full contact with the dust, is condensed and is settled, so that the purpose of dust suppression is achieved.

In addition, the utility model has reliable design principle, simple structure and very wide application prospect.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a dry fog dust settling system for a coal conveying transfer station in one embodiment of the utility model.

Fig. 2 is a schematic view of the assembly structure of the spraying device assembly on the tail part of the conveying belt and the conveying belt in one embodiment of the utility model.

Fig. 3 is a schematic top view of the structure of fig. 2.

In the figure, the device comprises a box body 1, a box body 2, an air pipe 3, an air compressor 4, an air storage tank 5, a dry fog machine 6, a water-air distributor 7, a water pipe 8, a top plate 9, a bottom plate 10, a side plate 11, a dry fog spray head 12, a spraying device assembly 13 and a conveying belt.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

It will be understood that when an element or layer is referred to as being "on," connected to, "or" coupled to "another element or layer, it can be directly on, connected or coupled to the other element or layer, and intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Spatially relative terms such as "under …", "below", "lower", "above", "over", and the like, as may be used herein for ease of description, describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

The following explains key terms appearing in the present invention.

As shown in fig. 1, the dry fog dust settling system for the coal transportation transfer station provided by the utility model comprises a plurality of dry fog generating devices and a plurality of spraying device assemblies 12, wherein the dry fog generating devices are communicated with the spraying device assemblies 12, and the dry fog generating devices and the spraying devices are respectively electrically connected with a distribution box. The dry fog generating device is used for generating dry fog, the spraying device assembly 12 is used for spraying the dry fog, the sprayed dry fog meets coal dust and is condensed, and the dust falling effect is achieved. In this embodiment, 12 quantity of atomizer assembly are three, and three atomizer assembly sets up respectively in guiding gutter export, conveyer belt middle part and conveyer belt afterbody, can carry out the dust fall simultaneously to the more position of above-mentioned three production coal dust and handle.

Specifically, the dry fog generating device comprises an air compressor 3, an air storage tank 4, a dry fog machine 5 and a water vapor distributor 6 which are sequentially connected through an air pipe 2, wherein the dry fog machine 5, the water vapor distributor 6 and the sprayer are sequentially communicated through a water pipe 7. Wherein the dry fog machine 5 adopts a micron-sized dry fog machine and can generate micron-sized dry fog. The water consumption in the actual working process is 0.4m3/min, and the gas consumption is 2L/min.

The spraying device assembly 12 comprises a box body 1 and a sprayer, wherein the sprayer is arranged on the box body 1. The box 1 is of a rectangular structure, the box 1 comprises a top plate 8 and a bottom plate 9, the top plate 8 is connected with the bottom plate 9 through a side plate 10, a feed inlet is formed in the side plate 10, a discharge outlet is formed in the bottom plate 9, and the sprayers are arranged on the top plate 8 at intervals. The box body 1 adopts a semi-closed structure, so that dry fog can be conveniently gathered.

The atomizer includes dry fog shower nozzle 11, universal joint and mount, the dry fog shower nozzle passes through the universal joint and links to each other with the mount, aqueous vapor distributor 6 leads to pipe 7 and trachea 2 respectively and dry fog shower nozzle 11 intercommunication. Through setting up the universal joint, be convenient for adjust the injection angle of shower nozzle. The dry fog nozzle 11 is made of stainless steel.

In the present embodiment, as shown in fig. 2 and fig. 3, the number of sprayers in the spraying device assembly at the tail of the conveying belt 13 is four, and the four sprayers are arranged on the fixing frame at intervals. The spraying direction of the sprayer is the same as the flowing direction of coal dust, when raw coal slides off the tail part of the conveying belt 13, the coal dust is lifted upwards, and dry mist meets the coal dust and is condensed; the spraying direction of the sprayers in the spraying device assembly on the middle part of the conveying belt is the same as the flowing direction of the coal dust. The spraying direction of a sprayer in the spraying device assembly on the outlet of the diversion trench is opposite to the coal flow direction, so that dry mist and coal dust can be fully mixed.

In the actual working process, the spraying elevation angle of the dry fog nozzle 11 is adjustable, the spraying direct projection distance is larger than 10 meters, the dispersion distance is larger than 25 meters, the spraying elevation angle is 0-10 degrees, the included angle of the water fog sprayed by the dry fog nozzle 11 is 60 degrees, and a water fog three-dimensional space dust filtering area 15m 6m is constructed.

The implementation manner of the embodiment is as follows:

during the operating condition, raw coal is carried on the conveyer belt, starts dry fog generating device, and the water in aqueous vapor distributor 6 passes through water pipe 7 and carries to the dry fog shower nozzle, and dry fog shower nozzle 11 can produce a large amount of fine dry fog in semi-closed structure's box 1 in the twinkling of an eye, and aqueous vapor is sprayed the dust point to the little fog that is 10 ~ 30 mu m after atomizing in dry fog shower nozzle 11, and then adsorbs the coal dust and subsides. The air humidity in the area is saturated rapidly, and the saturated water vapor is in full contact with dust, condensed and settled, so that the purpose of dust suppression is achieved.

Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a dry fog dust fall system for coal conveying transfer station which characterized in that: the dry fog spraying device comprises a dry fog generating device and a spraying device assembly (12), wherein the dry fog generating device is connected with the spraying device assembly (12), the number of the spraying device assembly is multiple, the spraying device assembly (12) comprises a box body (1) and sprayers, and the sprayers are arranged on the box body (1).

2. The dry fog dust fall system for a coal handling transfer station of claim 1, wherein: the number of the spraying device assemblies is three, and the three spraying device assemblies are respectively arranged at the outlet of the diversion trench, the middle part of the conveying belt and the tail part of the conveying belt.

3. The dry fog dust fall system for a coal handling transfer station of claim 1, wherein: the dry fog generating device comprises an air compressor (3), an air storage tank (4), a dry fog machine (5) and a water-gas distributor (6) which are sequentially connected through an air pipe (2), wherein the dry fog machine (5), the water-gas distributor (6) and the sprayer are sequentially communicated through a water pipe (7).

4. The dry fog dust fall system for a coal handling transfer station of claim 1, wherein: the improved sprayer box is characterized in that the box body (1) is of a rectangular structure, the box body (1) comprises a top plate (8) and a bottom plate (9), the top plate (8) is connected with the bottom plate (9) through a side plate (10), a feed inlet is formed in the side plate (10), a discharge outlet is formed in the bottom plate (9), and the sprayers are arranged on the top plate (8) at intervals.

5. The dry fog dust fall system for a coal handling transfer station of claim 3, wherein: the atomizer includes dry fog shower nozzle (11), universal joint and mount, dry fog shower nozzle (11) link to each other with the mount through the universal joint, aqueous vapor distributor (6) communicate with dry fog shower nozzle (11) through water pipe (7) and trachea (2) respectively.

6. The dry fog dust fall system for a coal handling transfer station of claim 3, wherein: the dry fog machine (5) adopts a micron-sized dry fog machine.

7. The dry fog dust fall system for a coal handling transfer station of claim 2, wherein: and the spraying direction of a sprayer in the spraying device assembly on the outlet of the diversion trench is opposite to the coal flow direction.

8. The dry fog dust fall system for a coal handling transfer station of claim 2, wherein: and the spraying directions of sprayers in the spraying device assembly on the middle part of the conveying belt and the tail part of the conveying belt are respectively the same as the flowing direction of coal dust.