Dust diffusion preventing device for hard rock blasting

Abstract

The utility model relates to the technical field of dust prevention, in particular to a hard rock blasting dust diffusion prevention device which comprises a water collecting tank, an air extractor is assembled at the upper end of the rear side of the water collecting tank in a supporting mode and communicated with the upper portion of the rear end of the water collecting tank in a butt joint mode through an air extraction pipe, and a spraying bin is arranged on the upper portion of the water collecting tank and internally provided with a spraying plate. The upper portion of the front side wall of the water collecting tank is provided with a dust suction port, the bottom of the water collecting tank is provided with a liquid discharge port, the front side wall of the water collecting tank supports a second water pump through a support, the front side of the water collecting tank is provided with a dust control cover, the top of the dust control cover is in butt joint with the dust suction port through the dust control cover, and inner spray pipes are assembled on the periphery of the top of the dust control cover. An atomizing nozzle is assembled at the inner end of the inner spraying pipe, and the outer end of the inner spraying pipe is in butt joint with the water outlet end of the pumping pipe. According to the utility model, dual assistance of covering, dust collection and spraying can be conveniently carried out on related areas, and the operation and use efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust prevention technical field, concretely is a kind of hard rock blasting prevents dust diffusion device. BACKGROUND

[0002] In the construction scene such as tunnel excavation, open-pit mining and large-scale infrastructure construction involving hard rock blasting, strong impact force will be generated in the moment of explosive explosion, causing rock to break, and a large amount of dust is raised in the process. These dust not only seriously threatens the health of construction personnel, causes occupational diseases such as pneumoconiosis, but also pollutes the surrounding ecological environment, affects air quality, and may also cause safety accidents such as explosion and fire, seriously affecting construction safety and work progress, so related devices are needed to prevent dust and dust removal in related areas;

[0003] For this purpose, Chinese patent number CN202421171415.0 discloses a hard rock blasting dust prevention and diffusion device, which includes a dust removal chamber, a water tank is fixedly installed on the right side of the upper end of the dust removal chamber, a conveying pipe is fixedly arranged on the left side of the water tank, a dust collection cover is fixedly connected to the end face of the conveying pipe, a dust removal bag is fixedly installed on the lower side of the dust collection cover vibration frame, the dust removal bag is connected by the conveying pipe, the gas passes through the filter bag to hinder the dust on the inner surface of the filter bag, a spray head is fixedly installed on the lower surface of the vibration frame, the spray head absorbs air containing dust particles through pressure drop, forms aggregated sludge and then descends, and a vibrator is fixedly arranged at the middle position of the vibration frame.

[0004] However, the existing dust prevention and removal device is not convenient for covering and setting up related areas, and dust removal and spraying are double assisted, which affects the operation and use efficiency.

[0005] Therefore, in order to solve the above problems, a hard rock blasting dust prevention and diffusion device is proposed. Utility model content

[0006] The utility model aims at providing a hard rock blasting dust prevention and diffusion device to solve the problem of the existing dust prevention and removal device in the background art, which is not convenient for covering and setting up related areas, and dust removal and spraying are double assisted, which affects the operation and use efficiency.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a hard rock blasting dust diffusion prevention device, including water collecting tank, water collecting tank rear side upper end support assembly has air extractor, and air extractor passes through air pipe and water collecting tank rear end upper portion butt joint intercommunication, and water collecting tank upper portion is provided with spray storehouse, and spray storehouse inside assembly has spray board, water collecting tank front side wall upper portion is provided with dust suction port, water collecting tank bottom is provided with liquid discharge port, and water collecting tank front side wall supports water pump no.

[0008] As a further further of the scheme, four groups of the inner spray pipe upper end passes through the ring water pipe butt joint intercommunication, the ring water pipe side end is integrally provided with the water supply main pipe, and the water supply main pipe is connected through the assembly water pipe and the water pump no.

[0009] As a further further of the scheme, the dust suction pipe outer end is provided with the butt joint pipe, and the butt joint pipe is threadedly provided with the butt joint seat close to the water collecting tank, and the butt joint seat is assembled on the outer wall of the dust suction port through the screw.

[0010] As a further further of the scheme, the outer cover is of rubber material, and the corner support of the outer cover shell and the dust control cover is provided with a lower strut.

[0011] As a further further of the scheme, the filter drawer is inserted and assembled in the middle of the water collecting tank side, and the filter drawer bottom wall is provided with fine mesh.

[0012] As a further further of the scheme, the water pump is assembled on the front side of the water collecting tank top, and the water pump outlet is connected with the water pump pipe, and the inner end of the water pump pipe is inserted in the spray storehouse, and the spray storehouse is above the spray board, and the spray board is uniformly provided with spray heads.

[0013] As a further further of the scheme, the inner filter cover corresponding to the air pipe is assembled on the rear inner wall of the water collecting tank upper portion, and the front wall of the inner filter cover is uniformly provided with through holes, and the corresponding adsorbent cotton is sequentially assembled in the inner filter cover.

[0014] Compared with the prior art, the utility model has the advantages that: the utility model is convenient for covering and dusting and spraying double auxiliary in the relevant area, and is beneficial to operation and use efficiency;

[0015] 1. This utility model, by setting up a dust control hood, facilitates the suction of dust into the water collection tank and the suction fan through the cooperation of the suction pipe, the connecting pipe and the telescopic joint. Then, with the cooperation of the water pump, the dust sucked into the hood is sprayed through the spray plate to achieve the corresponding adsorption and spray dust removal treatment, making the operation more convenient and efficient. This design improves the convenience and practicality of the dust prevention device for hard rock blasting.

[0016] 2. This utility model, by setting up a second water pump and an inner spray pipe, allows the wastewater after spraying to be filtered and then drawn up again by the second water pump and sprayed out through the inner spray pipe. At the same time, under the cover of the dust control hood, it is convenient to directly spray the relevant area. In this way, dust prevention and removal are achieved through dual adsorption and spraying, making operation and use more convenient and efficient. This design improves the convenience and practicality of the dust prevention device for hard rock blasting. Attached Figure Description

[0017] Figure 1 This is a three-dimensional side view sectional diagram of the structure of this utility model;

[0018] Figure 2 This is a frontal perspective three-dimensional schematic diagram of the overall structure of this utility model;

[0019] Figure 3 This is a rear-view perspective view of the overall structure of this utility model;

[0020] Figure 4 This is a bottom-view perspective view of a partial structure of the dust control cover of this utility model;

[0021] In the diagram: 100, Water collection tank; 101, Spray chamber; 102, Dust suction port; 103, Connecting seat; 104, Filter drawer; 105, Drain outlet; 110, Air extractor; 111, Air extraction pipe; 112, Inner filter cover; 113, Mesh; 114, Absorbent cotton; 120, Spray plate; 121, Water pump one; 122, Water pump pipe; 123, Spray head; 130, Water pump two ; 131. Suction pipe; 132. Pumping pipe; 133. Assembly water pipe; 134. Support; 140. Dust control hood; 141. Suction pipe; 142. Connecting pipe; 143. Expansion joint; 144. Outer shell; 145. Reinforcing rib; 146. Outer skin; 147. Lower support column; 150. Inner spray pipe; 151. Atomizing nozzle; 152. Circulating water pipe; 153. Main water supply pipe. Detailed Implementation

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 An embodiment provided by the present application:

[0024] The hard rock blasting dust diffusion prevention device, including water collecting tank 100, water collecting tank 100 rear side upper end support assembly has air extractor 110, and air extractor 110 is through air pipe 111 and water collecting tank 100 rear end upper part butt joint communication, and water collecting tank 100 upper part is provided with spray storehouse 101, and spray storehouse 101 inside assembly has spray plate 120, water collecting tank 100 front side wall upper part is provided with dust suction port 102, water collecting tank 100 bottom is provided with liquid discharge port 105, and water collecting tank 100 front side wall is supported with water pump two 130 through support 134, and water collecting tank 100 front side is provided with dust control cover 140, dust control cover 140 top is through dust suction pipe 141 and dust suction port 102 assembly butt joint, dust control cover 140 top four quarters assembly has inner spray pipe 150, and inner spray pipe 150 inner end assembly has atomizing nozzle 151, and inner spray pipe 150 outer end and pump pipe 132 water outlet end butt joint;

[0025] As the embodiment more in detail, four groups of inner spray pipe 150 upper end is through ring water pipe 152 butt joint communication, ring water pipe 152 side end is integrally provided with water supply main pipe 153, and water supply main pipe 153 is through assembly water pipe 133 and water pump two 130 water outlet end connection through, water pump two 130 water inlet end is through suction pipe 131 and liquid discharge port 105 butt joint communication, in this way, it is convenient to the reutilization of water collecting tank 100 inside waste water and the direct spray of the dust generation area, so that operation is more convenient and efficient;

[0026] As the embodiment more in detail, dust suction pipe 141 outer end assembly has butt joint pipe 142, and butt joint pipe 142 is close to water collecting tank 100 one end screw thread assembly has butt joint seat 103, and butt joint seat 103 is through screw thread assembly in dust suction port 102 outer wall, dust control cover 140 side is through reinforcing rib 145 and is connected with outer cover 144, and outer cover 144 outer edge is fixed with outer cover 146, in this way, when assembly is used, it is convenient to supplementary assembly butt joint according to the use needs, so that subsequent dust suction adsorption is more convenient;

[0027] As a more detailed embodiment, the outer cover 146 is made of rubber material, and the lower support 147 is provided at the corner of the junction of the outer cover shell 144 and the dust control cover 140. Thus, when assembled and used, the outer cover 146 and the outer cover shell 144 can assist in covering and assembling the dust control cover 140, making it more convenient to cover and assemble, and facilitating effective control.

[0028] As a more detailed embodiment, the filter drawer 104 is inserted and assembled in the middle of the side of the water collecting tank 100, and the bottom wall of the filter drawer 104 is provided with fine mesh holes. Thus, when assembled and used, the waste liquid sprayed inside the water collecting tank 100 can be filtered, facilitating subsequent reuse.

[0029] As a more detailed embodiment, the water pump one 121 is assembled at the top front side of the water collecting tank 100, and the water pump pipe 122 is connected to the water outlet end of the water pump one 121. The inner end of the water pump pipe 122 is inserted into the inside of the spray chamber 101, and the spray chamber 101 is located above the spray plate 120. The spray heads 123 are uniformly arranged in the inside of the spray plate 120. Thus, when assembled and used, the assembly of the upper part of the water collecting tank 100 and the auxiliary uniform spraying can be facilitated.

[0030] As a more detailed embodiment, the inner filter cover 112 corresponding to the air suction pipe 111 is assembled on the inner wall of the upper rear side of the water collecting tank 100. The through holes 113 are uniformly provided on the front side wall of the inner filter cover 112, and the corresponding adsorbing cotton 114 is sequentially assembled in the inside of the inner filter cover 112. Thus, when assembled and used, the auxiliary cover maintenance can be facilitated according to the use needs, making the adsorbing and exhausting more convenient.

[0031] Working principle: when assembled and used, the dust control cover 140 and the inner spray pipe 150 are connected to the dust suction port 102 and the connecting seat 103 on the front side of the water collecting tank 100 and the water outlet end of the water pump two 130 under the cooperation of the telescopic joint 143 and the assembled water pipe 133. Then, under the support of the lower support 147, the dust control cover 140 is covered on the area where the explosion may cause serious damage through the cooperation of the outer cover 146 and the outer cover shell 144. At the same time, the water inlet end of the water pump one 121 is connected to the corresponding water source, facilitating subsequent effective dust suction and atomizing spraying, realizing double dust removal and prevention, making the operation and use more convenient. Under the cooperation of the air extractor 110 and the water collecting tank 100, part of the dust is sucked into the inside of the dust suction pipe 141 through the air draft under the cooperation of the dust suction pipe 141. Then, under the cooperation of the water pump pipe 122 and the spray head 123, the uniform spraying is carried out under the cooperation of the water pump one 121. Then, the waste water is filtered through the filter drawer 104 and then extracted by the water pump two 130. Then, the water is pumped to the atomizing nozzle 151 through the assembled water pipe 133 for atomizing spraying, making the operation and use more convenient and efficient. The operation ends here.

[0032] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any person skilled in the art can make slight changes, modifications and equivalent changes of the present application within the scope of the technical scheme of the present application, and the equivalent embodiments of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A device for preventing dust dispersion in hard rock blasting, comprising a water collecting tank (100), characterized in that: The water collecting tank (100) is provided with an air extractor (110) on the upper end of the rear side, and the air extractor (110) is connected with the upper end of the rear side of the water collecting tank (100) through an air extraction pipe (111); a spraying bin (101) is arranged on the upper end of the water collecting tank (100), and the spraying bin (101) is provided with a spraying plate (120); a dust suction port (102) is formed in the upper end of the front side wall of the water collecting tank (100); a liquid discharge port (105) is formed in the bottom of the water collecting tank (100); a water pump two (130) is supported on the front side wall of the water collecting tank (100) through a support (134); a dust control cover (140) is arranged on the front side of the water collecting tank (100); the dust control cover (140) is connected with the dust suction port (102) through a dust suction pipe (141); the dust control cover (140) is provided with an inner spraying pipe (150) around the top; the inner spraying pipe (150) is provided with an atomizing nozzle (151) at the inner end; and the outer end of the inner spraying pipe (150) is connected with the water outlet end of a pumping pipe (132).

2. The device for preventing dust diffusion in hard rock blasting according to claim 1, characterized in that: The upper ends of the four groups of inner spraying pipes (150) are connected with each other through a ring water pipe (152); the ring water pipe (152) is integrally provided with a water supply main pipe (153) at the side end; the water supply main pipe (153) is connected with the water outlet end of the water pump two (130) through an assembled water pipe (133); and the water inlet end of the water pump two (130) is connected with the liquid discharge port (105) through a suction pipe (131).

3. The device for preventing dust diffusion in hard rock blasting according to claim 1, characterized in that: The outer end of the dust suction pipe (141) is provided with a connecting pipe (142); the connecting pipe (142) is threadedly connected with a connecting seat (103) near the water collecting tank (100); the connecting seat (103) is connected with the outer wall of the dust suction port (102) through a screw connection; the dust control cover (140) is connected with an outer cover (144) through a reinforcing rib (145); and the outer cover (144) is provided with an outer cover skin (146) around the outer edge.

4. The device for preventing dust diffusion in hard rock blasting according to claim 3, characterized in that: The outer cover skin (146) is made of rubber; and the connecting position of the outer cover (144) and the dust control cover (140) is provided with a lower support column (147).

5. The device for preventing dust diffusion in hard rock blasting according to claim 1, characterized in that: A filter drawer (104) is arranged in the middle of the side edge of the water collecting tank (100); and the bottom wall of the filter drawer (104) is provided with fine mesh holes.

6. The device for preventing dust diffusion in hard rock blasting according to claim 1, characterized in that: A water pump one (121) is arranged on the top of the front side of the water collecting tank (100); the water pump one (121) is connected with a water pump pipe (122) at the water outlet end; the water pump pipe (122) is inserted into the spraying bin (101); the spraying bin (101) is arranged above the spraying plate (120); and the spraying plate (120) is provided with spraying heads (123) arranged in an array.

7. The device for preventing dust diffusion in hard rock blasting according to claim 1, characterized in that: An inner filter cover (112) corresponding to the air extraction pipe (111) is arranged on the inner wall of the upper rear side of the water collecting tank (100); the front side wall of the inner filter cover (112) is provided with through holes (113) arranged in an array; and the inner filter cover (112) is sequentially provided with corresponding adsorbing cotton (114).

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