Environment-friendly flying dust suppression coal conveying system

Abstract

The utility model provides an environment-friendly flying dust suppression coal conveying system, and relates to the technical field of flying dust suppression coal conveying, the environment-friendly flying dust suppression coal conveying system comprises a mounting frame, a coal conveying belt and a dust collecting bin, the coal conveying belt is mounted in the mounting frame, supporting plates are fixed on the upper side and the lower side of the mounting frame, and the upper end of the supporting plate on the upper side of the mounting frame is fixed below an upper cover plate; an upper hanging bracket is installed on the inner top of the upper cover plate, the lower end of a supporting plate on the lower side of the mounting frame is fixed to a lower cover plate, an ash collecting bin is installed in the lower cover plate, an ash discharging hopper is arranged on the lower portion of the ash collecting bin, an ash outlet is formed in the lower end of the ash discharging hopper, and three sets of upper exhaust fans are installed on the upper hanging bracket; an upper end opening of the upper exhaust fan is connected with an upper connecting pipe, and the other end opening of the upper connecting pipe is connected with a middle telescopic pipe. The coal briquette conveying belt is supported more safely and stably, raised dust is safely sucked away above and below the conveying belt and conveyed into the dust collecting bin, and raised dust suppression is more environmentally friendly, rapid and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust suppression coal conveying technical field, concretely relates to an environmental protection dust suppression coal conveying system. BACKGROUND

[0002] The main fuel of coal-fired power plant is coal, and a large amount of dust will be generated in the conveying process of coal, which diffuses in the coal conveying gallery and is the culprit of occupational disease silicosis, coal conveying system fire and dust explosion, so dust control in coal-fired power plant becomes the top priority, and dust removal equipment must be installed in the coal conveying workshop of all coal-fired power plants.

[0003] In the specification of prior art (announcement number CN104787583A) a kind of dust reduction system for coal conveying device, it is mentioned "including N steam atomizing nozzles installed in coal drop pipe, steam pipeline and located on steam pipeline air pressure gauge with N steam atomizing nozzles respectively communicate;The steam direction of N steam atomizing nozzles is sequentially arranged along clockwise or counterclockwise in coal drop pipe, so that the steam that it sprays forms vortex in coal drop pipe, the steam direction in coal drop pipe is arranged along clockwise or counterclockwise and N steam atomizing nozzles in the same layer plane are arranged in a circle, form a vortex cyclone, more than one layer of circle formed by N steam atomizing nozzles can be arranged in coal drop pipe", but the dust reduction system in prior art uses steam suppression, not only fog diffuses and affects visual checking condition, but also makes coal block heavier after conveying burden after being wetted, and is not convenient for environmental protection and practical. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art, an environmental protection dust suppression coal conveying system is provided to solve the problem that the dust reduction system in the prior art uses steam suppression, which not only diffuses fog and affects visual checking condition, but also makes coal block heavier after conveying burden after being wetted, and is not convenient for environmental protection and practicality.

[0005] In order to achieve the above-mentioned purpose, an environmental protection dust suppression coal conveying system is provided, which comprises a mounting frame, a coal conveying belt and a dust collecting bin, the mounting frame is provided with a coal conveying belt, and the upper and lower sides of the mounting frame are provided with support plates, the upper end of the support plate on the upper side of the mounting frame is fixed to the lower side of the upper cover plate, and the inner top of the upper cover plate is provided with an upper hanging bracket, the lower end of the support plate on the lower side of the mounting frame is fixed to the upper side of the lower cover plate, and the lower cover plate is provided with a dust collecting bin, the lower part of the dust collecting bin is provided with a dust hopper, and the lower end of the dust hopper is provided with a dust outlet.

[0006] Further, three groups of upper suction fans are installed on the upper hanging bracket, the upper port of the upper suction fan is connected with an upper connecting pipe, and the other port of the upper connecting pipe is connected with a middle telescopic pipe.

[0007] Further, the left part of the coal conveying belt is provided with a driving roller, and the right part of the coal conveying belt is provided with a driven roller, and a plurality of supporting plates are arranged on the inner side of the mounting frame, and one side of the supporting plate is in contact with the inner side of the conveying belt of the coal conveying belt.

[0008] Further, three groups of ash inlet pipes are arranged on the back side of the ash collecting bin, and the lower end of the telescopic pipe in each group is connected to the corresponding ash inlet pipe.

[0009] Further, the left and right sides of the ash collecting bin are provided with air permeation windows, and a dustproof filter screen is arranged in the air permeation window, and the dustproof filter screen is a detachable structure.

[0010] Further, three groups of lower suction fans are arranged on the upper part of the ash collecting bin, and the lower port of the lower suction fan is connected to the ash collecting bin.

[0011] The beneficial effects of the utility model lie in:

[0012] 1. The upper hanger and the upper suction fan are located above the coal conveying belt at a certain height, which is convenient for the flying dust to be sucked into the upper connecting pipe through the upper suction fan and then be conveyed to the ash collecting bin through the middle telescopic pipe when the coal blocks are conveyed from left to right on the coal conveying belt, which is more fast and convenient.

[0013] 2. In the process of conveying the coal blocks from left to right on the coal conveying belt, the plurality of supporting plates arranged on the inner side wall of the mounting frame are used to stably support the inner side of the conveying belt, so that the conveying is safer and more stable.

[0014] 3. In the utility model, the upper and lower suction fans of the ash collecting bin are away from the lower belt surface of the coal conveying belt at a certain distance, which is convenient for the flying dust below the coal conveying belt to be sucked away through the lower suction fan and be conveyed to the ash collecting bin, so that the dust is collected and the dust suppression is more convenient and environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a cross-sectional view of the embodiment of the utility model;

[0016] Figure 2 It is a structure setting view between the upper hanger and the ash collecting bin of the embodiment of the utility model;

[0017] Figure 3 It is a schematic view of the upper hanger of the embodiment of the utility model;

[0018] Figure 4 It is a schematic view of the ash collecting bin of the embodiment of the utility model.

[0019] In the figure: 1, mounting frame; 10, support plate; 11, upper cover plate; 12, lower cover plate; 13, supporting plate; 2, upper hanger; 20, upper suction fan; 21, upper connecting pipe; 22, middle telescopic pipe; 3, coal conveying belt; 30, driving roller; 31, driven roller; 4, dust collecting bin; 40, lower suction fan; 41, ash inlet; 42, ash chute; 43, air permeation window; 44, ash outlet; 45, dustproof filter screen. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer, the utility model is further described in detail below in combination with the drawings and examples. The specific examples described herein are only used to explain the utility model and are not used to limit the utility model. Specific details such as specific system structure and technology are proposed so as to understand the utility model examples more thoroughly. The described examples are part of the embodiments of the disclosure, not all the embodiments. However, those skilled in the art should know that the utility model can also be realized in other embodiments without these specific details. Based on the examples in the disclosure, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the disclosure.

[0021] The specific embodiments of the utility model are described in detail below in combination with the drawings.

[0022] Figure 1 The utility model example's cross section schematic view, Figure 2 The utility model example's upper hanger and dust collecting bin between structure setting schematic view, Figure 3 The utility model example's upper hanger schematic view and Figure 4 The utility model example's dust collecting bin schematic view.

[0023] Referring to Figures 1 to 4 The utility model provides a kind of environment-friendly dust suppression coal conveying system, including mounting frame 1, coal conveying belt 3 and dust collecting bin 4, mounting frame 1 is installed with coal conveying belt 3, and the upper and lower sides of mounting frame 1 are both fixed with support plate 10, the upper end of support plate 10 on the upper side of mounting frame 1 is fixed in upper cover plate 11, and the inner top of upper cover plate 11 is installed with upper hanger 2, the lower end of support plate 10 on the lower side of mounting frame 1 is fixed on lower cover plate 12, and dust collecting bin 4 is installed in lower cover plate 12, and the lower part of dust collecting bin 4 is provided with ash chute 42, and the lower end of ash chute 42 is provided with ash outlet 44.

[0024] In the embodiment, three groups of upper suction fan 20 are installed on upper hanger 2, and the upper end of upper suction fan 20 is connected with upper connecting pipe 21, and the other end of upper connecting pipe 21 is connected with middle telescopic pipe 22.

[0025] As a preferred embodiment, the upper hanger 2 and the upper suction fan 20 are located at a certain height above the coal conveying belt 3, so that when the coal conveying belt 3 conveys the coal blocks from left to right, the flying dust can be sucked into the upper connecting pipe 21 by the upper suction fan 20, and then be conveyed to the dust collecting bin 4 through the middle telescopic pipe 22, which is more rapid and convenient.

[0026] In the embodiment, the driving roller 30 is installed on the left part of the coal conveying belt 3, the driven roller 31 is installed on the right part of the coal conveying belt 3, and a plurality of supporting plates 13 are arranged on the inner side of the mounting frame 1.

[0027] As a preferred embodiment, the plurality of supporting plates 13 on the inner side wall of the mounting frame 1 stably support the inner side of the conveying belt during the process of conveying the coal blocks from left to right by the coal conveying belt 3, so that the conveying is safer and more stable.

[0028] In the embodiment, three groups of ash inlet pipes 41 are arranged on the rear side of the dust collecting bin 4, and the lower end of each middle telescopic pipe 22 is connected to the corresponding ash inlet pipe 41; the air permeable windows 43 are arranged on the left and right sides of the dust collecting bin 4, and the dustproof filter mesh 45 is arranged in the air permeable window 43, and the dustproof filter mesh 45 is a detachable structure; three groups of lower suction fans 40 are installed on the upper part of the dust collecting bin 4, and the lower port of the lower suction fan 40 leads into the dust collecting bin 4.

[0029] As a preferred embodiment, the distance between the upper and lower suction fans 40 of the dust collecting bin 4 and the lower belt surface of the coal conveying belt 3 is a certain distance, so that the dust under the coal conveying belt 3 can be sucked away by the lower suction fan 40 and conveyed to the dust collecting bin 4, and the dust is collected and the dust suppression is more convenient and environmentally friendly.

[0030] The utility model can effectively solve the problem that the existing dust reduction system uses steam suppression, which not only affects the visual observation due to the fog, but also makes the coal blocks heavier when conveying after being wetted, and is not convenient for environmental protection and practical use. The utility model not only supports the coal block conveying belt more safely and stably, but also safely sucks the dust from the upper and lower parts of the conveying belt and conveys it to the dust collecting bin, which is more environmentally friendly, rapid and convenient.

[0031] The above embodiments are used to explain and illustrate the utility model, but not to limit the utility model. Any modification and change made to the utility model within the spirit and scope of the application protection claim shall be included in the protection scope of the utility model.

Claims

1. An environmentally friendly dust suppression coal conveying system, characterized by: The utility model comprises a mounting frame (1), a coal conveying belt (3) and an ash collecting bin (4), wherein the coal conveying belt (3) is installed in the mounting frame (1), and support plates (10) are fixed on both upper and lower sides of the mounting frame (1), the upper end of the support plate (10) on the upper side of the mounting frame (1) is fixed under the upper cover plate (11), and the inner top of the upper cover plate (11) is installed with an upper hanger (2), the lower end of the support plate (10) on the lower side of the mounting frame (1) is fixed on the lower cover plate (12), and the ash collecting bin (4) is installed in the lower cover plate (12), the lower part of the ash collecting bin (4) is provided with a lower ash hopper (42), and the lower end of the lower ash hopper (42) is provided with an ash outlet (44).

2. The environmentally friendly dust suppression coal conveying system according to claim 1, characterized in that: Three groups of upper exhaust fans (20) are installed on the upper hanger (2), and the upper ports of the upper exhaust fans (20) are connected to upper connecting pipes (21), and the other ports of the upper connecting pipes (21) are connected to middle telescopic pipes (22).

3. The environmentally friendly dust suppression coal conveying system according to claim 1, characterized in that: A driving roller (30) is installed on the left side of the coal conveying belt (3), and a driven roller (31) is installed on the right side of the coal conveying belt (3), and a plurality of supporting plates (13) are provided on the inner side surface of the mounting frame (1), and one side surface of the supporting plate (13) is arranged to be in contact with the inner side surface of the conveyor belt of the coal conveying belt (3).

4. The environmentally friendly dust suppression coal conveying system according to claim 1, characterized in that: Three groups of ash inlet pipe openings (41) are provided on the rear side of the ash collecting bin (4), and the lower end of the telescopic tube (22) in each group is connected to the corresponding group of ash inlet pipe openings (41).

5. The environmentally friendly dust suppression coal conveying system according to claim 1, characterized in that: Both left and right sides of the ash collecting bin (4) are provided with ventilation windows (43), and dust-proof air filter membranes (45) are provided in the ventilation windows (43), and the dust-proof air filter membranes (45) are detachable.

6. The environmentally friendly dust suppression coal conveying system according to claim 1, characterized in that: Three groups of lower exhaust fans (40) are installed on the upper part of the ash collecting bin (4), and the lower ports of the lower exhaust fans (40) lead to the inside of the ash collecting bin (4).

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