Dust suppression device for mine crushing port

Abstract

The utility model discloses a dust suppression device for a mine crushing port, and relates to the technical field of mine dust treatment equipment. The device structurally comprises an arch-shaped cover, an axial flow fan, and two groups of spraying components, a mist blocking net and a flow guide groove which are arranged on the arch-shaped cover. By arranging the arched cover, the axial flow fan, the mist spraying assembly, the mist blocking net, the flow guide groove and other components, the functions of comprehensive dust covering, efficient mist spraying and dust falling, multi-layer blocking and collecting and dust dissipation prevention are achieved; the arched cover is installed at a mine crushing material opening and limits flowing of dust. The axial flow fan is mounted at the upper end part and is used for providing airflow power; the two spraying assemblies are installed on the arch-shaped cover in a penetrating mode and spray water mist upwards and downwards, and comprehensive atomization dust falling is conducted on the space above the belt conveyor. The mist blocking nets are obliquely arranged and fixed on the two adjacent arch-shaped frames and are used for blocking and gathering water drops containing dust; the diversion trench is fixed at the lower end part of the mist blocking net and is used for guiding out grey water for centralized treatment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine dust processing equipment technical field, especially relate to a mine crushing material port dust suppression device. BACKGROUND

[0002] In the process of crushing material port output of mine crusher, a large amount of dust is generated simultaneously, these dusts not only constitute a threat to the health of workers, but also pollute the environment and affect the surrounding ecology. At present, although a variety of dust suppression technology and equipment are applied in mine crushing operation, such as dry dust collector, wet spray system etc., these methods often have problems such as high cost, complex maintenance, incomplete dust suppression effect etc. Especially for some small and medium-sized mining enterprises, high initial investment and operating cost limit the application and popularization of high-efficiency dust suppression technology. In addition, the existing technology has good effect in treating large particle dust, but the capture efficiency of tiny dust is not high, which easily causes secondary dust raising and reduces the overall dust suppression effect.

[0003] Therefore, it is of great significance to develop a new dust suppression device with reasonable structure, simple installation, low running cost and effective control of dust diffusion of mine crushing material port for improving mine operation environment, protecting workers' health and environmental protection. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a mine crushing material port dust suppression device, which combines multi-level spray dust suppression, interception collection and flow guide and discharge, can efficiently capture and treat dust particles of different particle sizes, and significantly improves the dust suppression efficiency by optimizing airflow path and adding anti-escape measures.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model discloses a mine crushing material port dust suppression device, which comprises an arched cover, an axial flow fan, two groups of spray assemblies installed on the arched cover, a mist interception net and a flow guide groove. The arched cover comprises two rectangular slats arranged in parallel. An arched frame is fixed on the upper surface of the two rectangular slats. An arched cover body is fixed on the outer wall of the arched frame. An observation window is arranged between the lower end of the arched cover body and the rectangular slat. An arched plate is fixed on the arched frame at one end of the arched cover. A first mounting hole for mounting the axial flow fan is formed in the arched plate. The two groups of spray assemblies are installed on the arched cover body. The mist interception net is fixed on the adjacent two arched frames in an inclined manner. The flow guide groove is fixed on the arched frame at the lower end of the mist interception net. Two second mounting holes for penetrating the flow guide groove are formed in one side of the arched cover body.

[0007] As a preferred technical scheme of the utility model, the spray assembly comprises a water pipe fixed horizontally on the arc-shaped cover body; a column of upward water mist spraying atomizing nozzles and a column of downward water mist spraying atomizing nozzles are installed on the part of the water pipe inside the arc-shaped cover body.

[0008] As a preferred technical scheme of the utility model, the mist blocking net comprises an arc-shaped outer ring; a mist catching net is installed in the arc-shaped outer ring; the arc-shaped outer ring is obliquely arranged and fixed on the adjacent two arc-shaped frames.

[0009] As a preferred technical scheme of the utility model, the flow guide groove comprises an open-top rectangular groove body, and the side wall of the rectangular groove body away from the axial flow fan is arranged as a circular arc surface; a cover plate is fixed on the part of the rectangular groove body outside the arc-shaped cover body.

[0010] As a preferred technical scheme of the utility model, a wind shielding curtain shielding the observation window is installed on each side wall of the arc-shaped cover body.

[0011] As a preferred technical scheme of the utility model, a column of first rubber curtain fabric strips are installed on the side wall of the rectangular groove body adjacent to the axial flow fan.

[0012] As a preferred technical scheme of the utility model, a column of second rubber curtain fabric strips are installed on the lower end of the outer side of the arc-shaped plate.

[0013] The utility model has the following beneficial effects:

[0014] The utility model discloses an arc-shaped cover body is installed on the belt conveyor, and upward and downward atomizing nozzles are arranged in the arc-shaped cover body, so that the space above the belt conveyor can be atomized and dusted comprehensively, and the diffusion of dust can be effectively captured and inhibited.

[0015] The spray amount of the two groups of spray assemblies can be adjusted according to actual needs, one group of spray assemblies away from the axial flow fan can be provided with a larger spray amount to adapt to different dust concentrations and processing requirements.

[0016] The utility model discloses a wind shielding curtain and rubber curtain fabric strips of an observation window are arranged, and the cover plate is installed on the outer part of the flow guide groove, so that the diffusion of dust carried by airflow from the inside of the device to the outside environment is effectively reduced, and the health of workers and the safety of the environment are protected.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the dust suppression device at the mine crushing feed inlet of this utility model.

[0020] Figure 2 for Figure 1 Front view

[0021] Figure 3 for Figure 1 Side view.

[0022] Figure 4 for Figure 1 A magnified view of a portion of point A in the middle.

[0023] Figure 5 This is a schematic diagram of the arched cover structure.

[0024] Figure 6 This is a schematic diagram of the fog-blocking net structure.

[0025] Figure 7 This is a schematic diagram of the flow guide channel.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] 1-Arched hood, 2-Spray assembly, 3-Fog barrier net, 4-Guide channel, 5-Axial flow fan, 6-Windproof curtain, 7-First rubber curtain strip, 11-Rectangular strip, 12-Arched frame, 13-Arched hood body, 14-Observation window, 15-Arched plate, 16-First mounting hole, 17-Second mounting hole, 21-Water pipe, 22-Atomizing nozzle, 31-Arched outer ring, 32-Fog trap net, 41-Rectangular trough body, 42-Cover plate. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model. Specific Implementation Example 1:

[0030] Please seeFigures 1-7 The utility model discloses a kind of mine broken material port dust suppression devices, including arched cover 1, axial fan 5 and two groups of spray assembly 2, mist barrier net 3 and flow guide groove 4 installed on arched cover 1. One group of spray assembly 2, mist barrier net 3 and flow guide groove 4 constitute a dust suppression suite, realize the spray dust fall of dust, collect water bead containing dust, finally converge output. Arched cover 1 is installed on the belt conveyor rack installed at the broken material port of mine. Axial fan 5 is installed in upper end portion. The spray amount of the spray assembly 2 of two groups of spray assembly 2 far from axial fan 5 can be greater than the spray amount of another spray assembly 2. After spraying, part of water mist and dust combine and fall on the gravel on the belt conveyor belt below, part is captured by mist barrier net 3 and converges into ash water and flows into flow guide groove 4 and is guided to carry out centralized processing, finally part enters rear dust suppression suite and is processed secondly, improve the completeness of dust processing.

[0031] Arched cover 1 specifically includes two parallelly arranged rectangular slats 11. One column of arched frames 12 is fixed on the upper surface of the two rectangular slats 11. The outer wall of the one column of arched frames 12 is fixed with an arched cover body 13. An observation window 14 is arranged between the lower end of the arched cover body 13 and the rectangular slat 11. The arched frame 12 located at one end of the arched cover 1 is fixed with an arched plate 15. The arched plate 15 is provided with a first mounting hole 16 for mounting the axial fan 5. The two groups of spray assemblies 2 are penetrated and mounted on the arched cover body 13. The mist barrier net 3 is fixedly arranged on the adjacent two arched frames 12 in an inclined manner. The flow guide groove 4 is fixed on the arched frame 12 fixedly arranged at the lower end of the mist barrier net 3, and two second mounting holes 17 for penetrating the flow guide groove 4 are formed in one side of the arched cover body 13. The arched cover 1 limits the flow of dust, and the observation window 14 facilitates the observation of the dust treatment condition on the conveying belt.

[0032] Among them, the spray assembly 2 includes a water pipe 21 fixedly penetrated and arranged on the arched cover body 13 in a horizontal manner. The part of the water pipe 21 located inside the arched cover body 13 is provided with one column of atomizing nozzles 22 for spraying water mist upward and one column of atomizing nozzles 22 for spraying water mist downward. The two columns of atomizing nozzles 22 arranged on the spray assembly 2 in upward and downward directions comprehensively atomize and reduce dust in the space above the belt conveyor covered by the arched cover 1.

[0033] Among them, the mist barrier net 3 includes an arched outer ring 31. The arched outer ring 31 is provided with a mist capturing net 32. The arched outer ring 31 is fixedly arranged on the adjacent two arched frames 12 in an inclined manner. The mist barrier net 3 is arranged conveniently, and can intercept and converge water mist passing through into ash water.

[0034] Wherein in order to avoid dust from the guide groove 4 blowing out, the guide groove 4 includes the upper opening rectangular groove body 41, and the rectangular groove body 41 is arranged as a circular arc surface away from the side wall of the axial flow fan 5. The rectangular groove body 41 is fixed with the cover plate 42 at the part outside the arched cover body 13. Under the arrangement of the cover plate 42, the development type air port is changed into the air duct, and the long and narrow air duct is beneficial to reduce the dust from the arched cover 1.

[0035] Wherein in order to avoid the air inlet from the observation window 14 or prevent the dust from escaping and polluting when not using the observation window 14, the arched cover body 13 is provided with a wind curtain 6 shielding the observation window 14 on both sides of the outer wall.

[0036] Wherein in order to reduce the airflow with dust flowing from the gap between the guide groove 4 and the belt conveyor, the rectangular groove body 41 is provided with a row of first rubber curtain cloth strips 7 adjacent to the side wall of the axial flow fan 5.

[0037] Wherein in order to reduce the dust from escaping and polluting below the arched plate 15, the arched plate 15 is provided with a row of second rubber curtain cloth strips at the lower end of the outer side surface.

[0038] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A mine crushing material port dust suppression device, characterized in that: it comprises an arched cover (1), an axial flow fan (5), and two groups of spray assemblies (2), a mist blocking net (3), and a flow guide groove (4) installed on the arched cover (1); the arched cover (1) comprises two parallel rectangular slats (11); the upper surfaces of the two rectangular slats (11) are fixed with a row of arched frames (12); the outer walls of the row of arched frames (12) are fixed with an arched cover body (13); an observation window (14) is arranged between the lower end of the arched cover body (13) and the rectangular slat (11); the arched frame (12) located at one end of the arched cover (1) is fixed with an arched plate (15); the arched plate (15) is provided with a first mounting hole (16) for mounting the axial flow fan (5); the two groups of spray assemblies (2) are installed through the arched cover body (13); the mist blocking net (3) is fixed and arranged obliquely on two adjacent arched frames (12); the flow guide groove (4) is fixed on the arched frame (12) fixedly installed at the lower end of the mist blocking net (3), and one side of the arched cover body (13) is provided with two second mounting holes (17) for penetrating the flow guide groove (4). the spray assembly (2) comprises a water pipe (21) fixedly installed horizontally on the arched cover body (13); the part of the water pipe (21) located inside the arched cover body (13) is installed with a row of upward water mist spraying atomizing nozzles (22) and a row of downward water mist spraying atomizing nozzles (22). the mist blocking net (3) comprises an arched outer ring (31); the arched outer ring (31) is installed with a mist catching net (32); the arched outer ring (31) is fixed and arranged obliquely on two adjacent arched frames (12).

2. The mine breakout dust suppression device of claim 1, wherein, the flow guide groove (4) comprises an open-top rectangular groove body (41), and the side wall of the rectangular groove body (41) away from the axial flow fan (5) is arranged as a circular arc surface; the part of the rectangular groove body (41) located outside the arched cover body (13) is fixed with a cover plate (42).

3. The mine breakout dust suppression device of claim 1, wherein, one wind shielding curtain (6) is installed on each of the outer walls of the arched cover body (13) to shield the observation window (14).

4. The mine crusher feed opening dust suppression device of claim 1, wherein, a row of first rubber curtain strips (7) is installed on the side wall of the rectangular groove body (41) adjacent to the axial flow fan (5).

5. The mine crusher feed opening dust suppression device of claim 1, wherein, a row of second rubber curtain strips is installed on the lower end of the outer side surface of the arched plate (15).

6. The mine breakout dust suppression device of claim 4, wherein, ​ 7. The mine crusher feed opening dust control device of claim 1, wherein, ​

Images