Spraying and dust-settling device for ventilation roadway

Abstract

The utility model relates to the field of mining equipment, in particular to a spraying and dust-settling device for a ventilation roadway. Comprising a dust blocking curtain arranged in the roadway; the fixed spray head is arranged on the inner wall of the roadway on the air inlet side of the dust blocking curtain; the movable spray head assembly is arranged in the position, on the air inlet side of the dust blocking curtain, of the roadway and comprises a mounting support and a movable spray head arranged on the mounting support, and the mounting support is movably arranged in the roadway so as to move between the spraying position in the middle of the roadway and the avoiding position close to the side wall of the roadway. And the covering effect of mist spraying on the section of the roadway is improved, and the influence of wind flow on the mist spraying and scattering on the dust falling effect can be prevented. And the mounting bracket is arranged in a movable manner, so that the use is more convenient, and the problems in the prior art are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mining equipment, especially to a ventilation roadway spray dust-settling device. BACKGROUND

[0002] Underground mining is the main mining method of China's mineral production, and a large amount of dust is generated during mining and tunneling operations. The air entering the underground mine often carries a large amount of dust after passing through the mining or tunneling face, resulting in a high dust content in the return airway. Therefore, a spray dust-settling nozzle is often installed in the return airway to reduce the dust content in the return airway. Some return airways also have dust curtains to block dust. In the existing return airway, the nozzle is fixed on the inner wall of the airway for spraying, but due to the influence of air flow in the return airway, the spray is not uniform in the end face of the airway, affecting the dust-settling effect. SUMMARY

[0003] The utility model aims to provide a ventilation roadway spray dust-settling device, which is installed in the middle of the airway, allowing the mobile nozzle to spray dust-settling from the middle of the airway, improving the coverage effect of the spray on the cross section of the airway and preventing the influence of air flow on the spray dispersion and dust-settling effect. The installation bracket is set in a movable manner, making it more convenient to use and effectively solving the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides a ventilation roadway spray dust-settling device, comprising:

[0005] A dust curtain is arranged in the airway.

[0006] A fixed nozzle is arranged on the inner wall of the airway on the air inlet side of the dust curtain.

[0007] A mobile nozzle assembly is arranged in the airway on the air inlet side of the dust curtain, comprising an installation bracket and a mobile nozzle arranged on the installation bracket. The installation bracket is movably arranged in the airway to move between the spray position in the middle of the airway and the avoidance position close to the side wall of the airway.

[0008] Further, the installation bracket extends vertically and is arranged in the middle of the airway. The installation bracket is provided with at least two mobile nozzles, and the at least two mobile nozzles are arranged opposite to each other.

[0009] Further, the spray dust-settling device further comprises a slide rail arranged on the top of the airway, and the installation bracket is slidably arranged on the slide rail.

[0010] Further, the dust-settling device further comprises a pneumatic motor provided with a wire wheel, and a driving rope connected to the installation bracket is wound on the wire wheel.

[0011] Further, the dust falling device further comprises a counterweight, the counterweight is connected with the mounting bracket through a reset rope, and the reset rope and the driving rope are connected with two sides of the mounting bracket respectively.

[0012] Further, the dust curtain comprises two separated half curtain parts, the mounting bracket is connected with one of the half curtain parts, and the half curtain part connected with the mounting bracket is slidingly installed on the slide rail.

[0013] Further, the dust falling device further comprises a photoelectric switch installed on the roadway, and a controller connected with the photoelectric switch, the controller is connected with the fixed spray head, the movable spray head and the pneumatic motor.

[0014] Further, the fixed spray head is installed on the slide rail.

[0015] Further, the spray dust falling device further comprises a pneumatic cylinder connected with the mounting bracket.

[0016] Further, the lower end of the slide rail is provided with a roller.

[0017] The beneficial effect of the utility model lies in that the utility model provides a ventilation roadway spray dust falling device, the mounting bracket is arranged at the middle part of the roadway, the movable spray head can spray dust falling from the middle part of the roadway, the coverage effect of the spray on the cross section of the roadway is improved, and the influence of the wind flow on the spray dispersion on the dust falling effect is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the utility model, the illustrative embodiment of the utility model and its explanation are used to explain the application, and do not constitute improper limitation on the utility model.

[0019] Figure 1 The structure schematic view of an embodiment of the utility model in the roadway.

[0020] Figure 2 For Figure 1 The partial front view of the embodiment shown.

[0021] Figure 3 For Figure 1 The structure schematic view in another visual angle after removing the dust curtain in the embodiment shown.

[0022] Wherein: 1, dust curtain; 101, half curtain part; 2, fixed nozzle; 3, mounting bracket; 4, moving nozzle; 5, slide rail; 6, pneumatic motor; 7, line wheel; 8, driving rope; 9, counterweight; 10, reset rope; 11, roller; 12, photoelectric switch. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.

[0024] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0025] In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "side", "upper", "lower", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation to the present application.

[0026] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, and those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0027] In the description of the present application, the description of the terms "one embodiment", "specific embodiment", "illustrative", "embodiment", "example" or "some embodiments" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, 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.

[0028] Figures 1-3The utility model provides a kind of ventilation roadway spray dust-settling device, including: dust curtain 1 is set in the roadway;Fixed spray head 2 is set in the roadway inner wall of the dust curtain 1 air inlet side;Mobile spray head 4 assembly is set in the roadway inner of the dust curtain 1 air inlet side, including mounting bracket 3, mobile spray head 4 is set in the mounting bracket 3, the mounting bracket 3 is movably set in the roadway, to move between the spray position in the middle of roadway, the avoidance position close to the side wall of roadway.

[0029] The dust-settling device of the utility model sprays and dusts when the air flow in the roadway flows to the dust curtain 1, the fixed spray head 2 on the inner wall of the roadway sprays and dusts at the same time, and the mobile spray head 4 on the mounting bracket 3 sprays and dusts at the same time.The dust curtain 1 further blocks the dust in the air flow, and the water flow formed by spraying on the dust curtain 1 washes the dust off the dust curtain 1.When the roadway needs to be passed, the mounting bracket 3 can be moved to the avoidance position close to the side wall of the roadway, and the dust curtain 1 can be removed.

[0030] Therefore, it is not difficult to see that, in the technical scheme of the present application, the mounting bracket 3 is arranged in the middle of the roadway, so that the mobile spray head 4 can spray and dust from the middle of the roadway, the distance between the mobile spray head 4 and the fixed spray head 2 is short, and the two cooperate with each other to improve the coverage effect of spraying on the cross section of the roadway and prevent the air flow from dispersing the spray and affecting the dust-settling effect.The mounting bracket 3 is arranged in a movable manner, which makes the use more convenient.

[0031] It should be noted that, for the spraying position, the preferred position is the middle line position in the transverse direction of the roadway.The avoidance position can be the position where the mounting bracket 3 is attached to the side wall of the roadway.

[0032] Further, specifically, the mounting bracket 3 extends vertically and is arranged in the middle of the roadway, the mounting bracket 3 is provided with at least two mobile spray heads 4, and the at least two mobile spray heads 4 are arranged opposite to each other.Thus, the coverage range of the mobile spray head 4 on the cross section of the roadway can be increased.

[0033] For the Figure 1 In the embodiment shown, further specifically, the spray dust-settling device further includes a slide rail 5 arranged on the top of the roadway, and the mounting bracket 3 is slidably arranged on the slide rail 5. Figure 3 As shown, the slide rail 5 is a T-shaped hanging rail, the top of the mounting bracket 3 is provided with two rollers 11 and a roller bracket, and the two rollers 11 are respectively located on the two sides of the slide rail 5.

[0034] For the Figure 1 In the embodiment shown, further optimization is that the dust-settling device further includes a pneumatic motor 6, the pneumatic motor 6 is provided with a wire wheel 7, and a driving rope 8 connected with the mounting bracket 3 is wound on the wire wheel 7. Figure 2As shown, the installation support 3 can be moved to the avoiding position by the pneumatic motor 6.

[0035] Of course, for some low gas mine, the motor can also be used to drive the wire wheel 7 to rotate.

[0036] For Figure 1 In the embodiment shown, further optimization is that the dust falling device further comprises a counterweight 9 connected with the installation support 3 through a reset rope 10, and the reset rope 10 and the driving rope 8 are connected with two sides of the installation support 3 respectively. As shown, Figure 2 and Figure 3 As shown, when it is needed to move the installation support from the avoiding position to the spraying position, the wire wheel 7 can be reversed by the pneumatic motor 6, and the installation support 3 can be moved to the spraying position by the counterweight 9.

[0037] Of course, in the preferred embodiment, the counterweight 9 can not be provided, and two pneumatic motors 6 and wire wheels 7 are provided, each wire wheel 7 is located at two sidewalls of the roadway, and each wire wheel 7 is connected with the installation support 3 to move the installation support 3 by the two pneumatic motors 6.

[0038] For the setting of the dust curtain 1, in Figure 1 In the embodiment shown, further specifically, the dust curtain 1 comprises two separate half curtain parts 101, the installation support 3 is connected with one of the half curtain parts 101, and the half curtain part 101 connected with the installation support 3 is slidingly installed on the slide rail 5. As shown, Figure 2 and Figure 1 As shown, when the installation support 3 is moved to the avoiding position, the dust curtain 1 can be opened synchronously to facilitate passing.

[0039] For another part of the dust curtain 1, the accompanying person can open it manually. Alternatively, the dust curtain 1 is also slidingly connected to the top wall of the roadway, and is opened or closed by the pneumatic motor and the wire wheel and the connecting rope. In Figure 1 In the embodiment shown, the upper ends of the half curtain parts 101 are connected with the roller supports, and the left half curtain part 101 is fixed on the installation support 3.

[0040] In the preferred embodiment, further optimization is that the dust falling device further comprises a photoelectric switch 12 installed on the roadway, a controller connected with the photoelectric switch 12, and the controller is connected with the fixed spray head 2, the movable spray head 4 and the pneumatic motor 6. The photoelectric switch 12 can be selected as a reflection type photoelectric switch 12, so that when the person passes, the photoelectric switch 12 can be triggered, at this time, when the controller obtains the person passing signal, the movable spray head 4, the fixed spray head 2 and the pneumatic motor 6 can be controlled to stop spraying and move the installation support 3 to the avoiding position.

[0041] Wherein, the controller can be selected from the existing PLC controller. In the existing PLC controller, according to the photoelectric switch 12 signal sends open or close instruction signal, for the existing mature PLC technology, the person skilled in the art can select the existing PLC technology when implementing the technical scheme of the present application, which does not involve the improvement of the control method.

[0042] In Figure 1 In the embodiment shown, the fixed spray head 2 is directly fixed on the top wall and side wall of the roadway, and in an alternative embodiment, in order to facilitate installation, the fixed spray head 2 can also be installed on the slide rail 5.

[0043] For the structure of driving the installation bracket 3 to move laterally, in an alternative embodiment, the spray dust-settling device further comprises a pneumatic cylinder connected to the installation bracket 3.

[0044] Further optimization is that the lower end of the slide rail 5 is provided with a roller 11.

[0045] The places not described in the utility model can be realized by using or referring to the existing technology.

[0046] The above is only an embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the scope of the claims of the utility model.

Claims

1. A ventilation roadway spray dust suppression device, characterised in that, The invention relates to a dust falling device for a mine roadway, comprising: a dust curtain arranged in the mine roadway; a fixed spray head arranged on the inner wall of the mine roadway at the air inlet side of the dust curtain; a movable spray head assembly arranged in the mine roadway at the air inlet side of the dust curtain, comprising a mounting bracket and a movable spray head arranged on the mounting bracket, the mounting bracket being arranged in the mine roadway and movable between a spraying position in the middle of the mine roadway and a position close to the side wall of the mine roadway.

2. The ventilation roadway spray dust-settling device according to claim 1, characterized in that: The mounting bracket extends vertically and is arranged in the middle of the mine roadway, the mounting bracket is provided with at least two movable spray heads, and the at least two movable spray heads are arranged opposite to each other.

3. The ventilation roadway spray dust-settling device according to claim 2, characterized in that: The dust falling device further comprises a slide rail arranged on the top of the mine roadway, and the mounting bracket is slidably arranged on the slide rail.

4. The ventilation roadway spray dust-settling device according to claim 3, characterized in that: The dust falling device further comprises a pneumatic motor, the pneumatic motor is provided with a wire wheel, and a driving rope connected with the mounting bracket is wound on the wire wheel.

5. The ventilation roadway spray dust-settling device according to claim 4, characterized in that: The dust falling device further comprises a counterweight, the counterweight is connected with the mounting bracket through a reset rope, and the reset rope and the driving rope are respectively connected with two sides of the mounting bracket.

6. The ventilation roadway spray dust-settling device according to claim 4, characterized in that: The dust curtain comprises two half curtain parts separated from each other, the mounting bracket is connected with one of the half curtain parts, and the half curtain part connected with the mounting bracket is slidably arranged on the slide rail.

7. The ventilation roadway spray dust-settling device according to claim 4, characterized in that: The dust falling device further comprises a photoelectric switch arranged in the mine roadway and a controller connected with the photoelectric switch, the controller is connected with the fixed spray head, the movable spray head and the pneumatic motor.

8. The ventilation roadway spray dust-settling device according to claim 4, characterized in that: The fixed spray head is arranged on the slide rail.

9. The ventilation roadway spray dust suppression apparatus of claim 3, wherein: The dust falling device further comprises a pneumatic cylinder connected with the mounting bracket.

10. The device according to claim 4, characterized in that: The lower end of the slide rail is provided with a roller.

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