Double-air-flow superposition type atomizing nozzle

Abstract

The utility model provides a double-air-flow superposition type atomizing nozzle. The double-air-flow superposition type atomizing nozzle comprises a main pipe, a flow guide cover, a flow guide body and a mixing pipe. The main pipe has an air inlet and a water inlet; the flow guide cover is connected with the air inlet; the flow guide body is connected with the flow guide cover, a conical first channel is formed between the flow guide body and the flow guide cover, a second channel communicated with the air inlet is formed in the axis of the flow guide body, and the second channel is communicated with the first channel through the air hole; the mixing pipe is connected with the main pipe, a conical water outlet channel is formed between the mixing pipe and the flow guide body, and the diameter of the water outlet channel is firstly reduced and then increased in the axial direction of the mixing pipe. The flow guide cover and the flow guide body are matched to form a double-airflow channel formed by overlapping the first channel and the second channel, airflow and water flow are mixed in the water outlet channel, the water flow speed can be increased, and the atomization effect is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of dust reduction equipment, and in particular to a double-gas-flow superposition type atomizing nozzle. BACKGROUND

[0002] Dust is generated in the production process of a coal mine. In order to reduce the harm of the dust to the working environment and workers, spraying dust reduction treatment is performed. The atomizing nozzle is a commonly used dust reduction component in the coal mine. The commonly used atomizing nozzle realizes atomization through obvious contraction of a central passage, and the atomization effect is not ideal. Therefore, the inventors propose a double-gas-flow superposition type atomizing nozzle. CONTENT OF THE UTILITY MODEL

[0003] The application provides a double-gas-flow superposition type atomizing nozzle which can improve the atomization effect.

[0004] The technical scheme of the application is as follows:

[0005] The application provides a double-gas-flow superposition type atomizing nozzle which can improve the atomization effect.

[0006] The main pipe has an air inlet and a water inlet.

[0007] The flow guide cover is connected with the air inlet.

[0008] The flow guide body is connected with the flow guide cover, a conical first passage is formed between the flow guide body and the flow guide cover, an axis of the flow guide body is provided with a second passage which is in communication with the air inlet, and the second passage is in communication with the first passage through a gas hole.

[0009] The mixing pipe is connected with the main pipe, a conical water outlet passage is formed between the mixing pipe and the flow guide body, and the diameter of the water outlet passage decreases first and then increases along the axial direction of the mixing pipe.

[0010] The technical scheme of the application is adopted, the double-gas-flow passage formed by the superposition of the first passage and the second passage is formed through cooperation of the flow guide cover and the flow guide body, the airflow and the water flow are mixed in the water outlet passage, the water flow speed can be increased, and the atomization effect can be improved.

[0011] In some implementation manners, the air inlet is arranged at the axis of the main pipe, and the water inlet is perpendicular to the air inlet.

[0012] In some implementation manners, the flow guide body and the flow guide cover are coaxially arranged.

[0013] In some implementation manners, the slope of the flow guide cover is equal to the slope of the flow guide body.

[0014] In some implementation manners, the inner diameter of the smaller end of the flow guide cover is greater than the outer diameter of the larger end of the flow guide body.

[0015] In some implementations, the flow guide body is provided with a cavity coaxially arranged with the second channel.

[0016] In some implementations, the air holes are uniformly distributed along the circumference of the cavity.

[0017] In some implementations, the axis of the air hole is arranged perpendicularly to the second channel.

[0018] In some implementations, the mixing pipe is coaxially arranged with the flow guide body.

[0019] In some implementations, the water outlet channel is coaxially arranged with the second channel. BRIEF DESCRIPTION OF DRAWINGS

[0020] Exemplary embodiments of the present application will be described in detail below with reference to the accompanying drawings, it should be understood that the embodiments described below are only used to explain the present application, rather than limit the scope of the present application, in the drawings:

[0021] Fig. 1 is an explosion schematic diagram of a double-gas-flow superimposed spray nozzle according to an embodiment of the present application;

[0022] Fig. 2 is a cross-sectional view of a double-gas-flow superimposed spray nozzle according to an embodiment of the present application;

[0023] Fig. 3 is a connection schematic diagram of a flow guide cover and a flow guide body according to an embodiment of the present application;

[0024] REFERENCE NUMERALS:

[0025] 10, main pipe; 11, air inlet; 12, water inlet;

[0026] 20, flow guide cover; 21, first channel;

[0027] 30, flow guide body; 31, second channel; 32, cavity; 33, air hole;

[0028] 40, mixing pipe; 41, water outlet channel. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with reference to the accompanying drawings and embodiments, it should be understood that the specific embodiments described here are only used to explain the present application, and are not used to limit the present application.

[0030] In the related art, dust is generated during the production process in a coal mine, in order to reduce the harm of dust to the working environment and operating personnel, spray dust reduction treatment is carried out. The atomizing nozzle is a commonly used dust reduction component in a coal mine, the commonly used atomizing nozzle realizes atomization through obvious contraction of the center channel, and the atomization effect is not ideal.

[0031] The embodiment provides a double-gas-flow superimposed atomizing nozzle which can improve atomizing effect.

[0032] Please refer to Figs. 1-3 In the embodiment, the double-gas-flow superimposed atomizing nozzle comprises a main pipe 10, a flow guide cover 20, a flow guide body 30 and a mixing pipe 40; the main pipe 10 has an air inlet 11 and a water inlet 12; the flow guide cover 20 is connected with the air inlet 11; the flow guide body 30 is connected with the flow guide cover 20, a tapered first channel 21 is formed between the flow guide body 30 and the flow guide cover 20, an axis of the flow guide body 30 is provided with a second channel 31 which is communicated with the air inlet 11, and the second channel 31 is communicated with the first channel 21 through a gas hole 33; the mixing pipe 40 is connected with the main pipe 10, a tapered water outlet channel 41 is formed between the mixing pipe 40 and the flow guide body 30, and the diameter of the water outlet channel 41 decreases first and then increases along the axial direction of the mixing pipe 40.

[0033] By adopting the technical scheme of the embodiment, the double-gas-flow channel formed by the superposition of the first channel 21 and the second channel 31 is formed through the cooperation of the flow guide cover 20 and the flow guide body 30, the gas flow and the water flow are mixed in the water outlet channel 41, the water flow speed can be increased, and the atomizing effect can be improved.

[0034] In the embodiment, the main pipe 10 is integrally formed into a circular tube shape, a first connecting head is arranged at the axis of the top of the main pipe 10, the first connecting head is connected with and communicated with the main pipe 10, the air inlet 11 is arranged at the axis of the first connecting head and is communicated with the inner cavity of the main pipe 10, and the water inlet 12 is arranged on the peripheral surface of the main pipe 10 and is perpendicular to the axis of the main pipe 10, that is, the water inlet 12 is perpendicular to the air inlet 11.

[0035] In the embodiment, the flow guide cover 20 is integrally formed into a tapered shape which is wide at the top and narrow at the bottom, a second connecting head is arranged at the axis of the top of the flow guide cover 20, the flow guide cover 20 is arranged inside the main pipe 10 and is coaxially arranged with the main pipe 10, and the second connecting head is spirally arranged into the inner part of the air inlet 11 from bottom to top.

[0036] In the embodiment, the flow guide body 30 is integrally formed into a tapered shape which is wide at the top and narrow at the bottom, a third connecting head is arranged at the axis of the top of the flow guide body 30, the upper end of the flow guide body 30 is inserted into the inner cavity of the flow guide cover 20 and is coaxially arranged with the flow guide cover 20, the third connecting head is spirally arranged into the inner part of the second connecting head from bottom to top, a cavity 32 is arranged between the third connecting head and the flow guide body, the cavity 32 is integrally formed into a circular shape and is coaxially arranged with the second channel 31, the gas hole 33 is arranged on the peripheral surface of the cavity 32, the axis of the gas hole 33 is arranged perpendicularly to the second channel 31, the gas holes 33 are uniformly distributed along the peripheral direction of the cavity 32, and the second channel 31 is communicated with the first channel 21 through the gas hole 33.

[0037] It should be noted that the flow guide 30 is coaxially arranged with the flow guide cover 20, the slope of the flow guide cover 20 is equal to the slope of the flow guide 30, and the inner diameter of the smaller end of the flow guide cover 20 is greater than the outer diameter of the larger end of the flow guide 30, so that the flow guide 30 can be inserted into the inside of the flow guide cover 20.

[0038] In addition, the airflow flows into the second channel 31 through the air inlet 11, part of the airflow flows out of the lower end of the second channel 31 along the axial direction of the flow guide 30, and another part of the airflow flows into the first channel 21 through the air hole 33 and flows to the lower end along the outer surface of the flow guide 30.

[0039] In the embodiment, the mixing pipe 40 is integrally configured in a circular pipe shape, the water outlet channel 41 is provided at the axis of the mixing pipe 40, the diameter of the water outlet channel 41 decreases first and then increases from top to bottom, the mixing pipe 40 is screwed to the lower end of the main pipe 10, the conical section of the upper half of the water outlet channel 41 is sleeved outside the flow guide 30 and coaxially arranged with the flow guide 30, and there is a gap between the two, which is used for the airflow and the water flow to flow to the middle of the water outlet channel 41.

[0040] It should be noted that the water flow flows into the inner cavity of the main pipe 10 through the water inlet 12 and flows to the lower end of the water outlet channel 41 along the gap between the flow guide 30 and the water outlet channel 41, the airflow flows into the inside of the water outlet channel 41 of the mixing pipe 40 through the first channel 21 and the second channel 31, and mixes with the water flow in the water outlet channel 41, which can improve the flow rate of the water flow in the water outlet channel 41 and improve the atomization effect of the water flow flowing out of the water outlet channel 41.

[0041] Although the embodiments of the present application have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, substitutions and variations to the above-mentioned embodiments within the scope of the present application.

Claims

1. A dual air flow stacked atomizing showerhead, characterized in that, The utility model relates to a double-gas-flow superposition type atomizing nozzle, comprising: a main pipe having an air inlet and a water inlet; a flow guide cover connected with the air inlet; a flow guide body connected with the flow guide cover, a first channel in a conical shape being formed between the flow guide cover and the flow guide body, a second channel being provided at the axis of the flow guide body and being in communication with the air inlet, the second channel being in communication with the first channel through air holes; a mixing pipe connected with the main pipe, a water outlet channel in a conical shape being formed between the mixing pipe and the flow guide body, the diameter of the water outlet channel first decreasing and then increasing along the axial direction of the mixing pipe.

2. The double-gas-flow superposition type atomizing nozzle according to claim 1, wherein: the air inlet is arranged at the axis of the main pipe, and the water inlet is perpendicular to the air inlet.

3. The double-gas-flow superposition type atomizing nozzle according to claim 2, wherein: the flow guide body is coaxially arranged with the flow guide cover.

4. The double-gas-flow superposition type atomizing nozzle according to claim 3, wherein: the slope of the flow guide cover is equal to the slope of the flow guide body.

5. The double-gas-flow superposition type atomizing nozzle according to claim 4, wherein: the inner diameter of the smaller end of the flow guide cover is greater than the outer diameter of the larger end of the flow guide body.

6. The double-gas-flow superposition type atomizing nozzle according to claim 5, wherein: a cavity coaxially arranged with the second channel is provided on the flow guide body.

7. The double-gas-flow superposition type atomizing nozzle according to claim 6, wherein: the air holes are uniformly distributed along the circumference of the cavity.

8. The double-gas-flow superposition type atomizing nozzle according to claim 7, wherein: the axis of the air holes is arranged perpendicularly to the second channel.

9. The double-gas-flow superposition type atomizing nozzle according to claim 8, wherein: the mixing pipe is coaxially arranged with the flow guide body.

10. The double-gas-flow superposition type atomizing nozzle according to claim 9, wherein: the water outlet channel is coaxially arranged with the second channel.

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