CN210033517U - Tunnel malleation ventilation dust device - Google Patents
Tunnel malleation ventilation dust device Download PDFInfo
- Publication number
- CN210033517U CN210033517U CN201920481964.0U CN201920481964U CN210033517U CN 210033517 U CN210033517 U CN 210033517U CN 201920481964 U CN201920481964 U CN 201920481964U CN 210033517 U CN210033517 U CN 210033517U
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- steel pipe
- annular steel
- tunnel
- connecting cylinder
- ventilation dust
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Abstract
The utility model relates to a tunnel malleation ventilation dust device, connect including atomizing nozzle, annular steel pipe, connecting cylinder and dryer, the atomizing nozzle evenly sets up on annular steel pipe's inside wall and with annular steel pipe intercommunication, and annular steel pipe passes through the connecting piece to be fixed in the one end of connecting cylinder, and the dryer connects is connected to the other end of connecting cylinder, sets up the water inlet on the annular steel pipe. The positive-pressure ventilation dust-settling device for the tunnel is simple in structure, convenient to use, low in energy consumption and convenient to disassemble and assemble.
Description
Technical Field
The utility model belongs to the technical field of the tunnel dust fall, especially, relate to a tunnel malleation ventilation dust device.
Background
In tunneling construction, large dust is often generated. Particularly, after drilling and blasting construction, dust is gathered near the face of the tunnel and is difficult to dissipate, and the dust has great influence on the health of operators. At present, the dust is treated by adopting a ventilation mode, and the dust on the tunnel surface is taken out of the tunnel. However, the efficiency of dust removal by pure ventilation is low, and dust at the place where the dirty wind arrives is diffused, so that the surrounding environment is polluted. Specific dust settling methods are formed at present for solving the problems, but the dust settling methods have a plurality of defects.
The utility model discloses a utility model with publication number CN208380621U discloses "a construction tunnel entrance to a cave ventilation dust device", this utility model's technical scheme is connected dust collector and purifies the dirty wind of taking the tunnel out between fan and dryer, but this technical scheme's prerequisite adopts the negative pressure ventilation to be not applicable to the tunnel that adopts the malleation to ventilate. The invention patent with publication number CN106121706A discloses a ventilation and dust removal integrated system for a medium and long tunnel, and the technical scheme of the invention is to communicate a positive pressure ventilation system and a fog gun through a Y-pipe to perform dust fall on a tunnel face.
In view of the fact that most construction tunnels adopt positive pressure ventilation and the working space is limited, a simple dust settling device which is suitable for the positive pressure ventilation tunnels and occupies a small space needs to be developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a tunnel malleation ventilation dust device, it is big to have solved current ventilation dust device occupation space, influences the tunnel construction, and the higher problem of cost, and this kind of tunnel malleation ventilation dust device simple structure, convenient to use, energy consumption are low, the equipment of being convenient for dismantle, suspend in midair in the tunnel top, do not influence the tunnel construction.
The technical scheme for realizing the purpose is as follows:
the utility model provides a tunnel malleation ventilation dust device, connect including atomizing nozzle, annular steel pipe, connecting cylinder and dryer, atomizing nozzle evenly sets up on annular steel pipe's inside wall and with annular steel pipe intercommunication, and annular steel pipe passes through the connecting piece to be fixed in the one end of connecting cylinder, and the dryer connects is connected to the other end of connecting cylinder, sets up the water inlet on the annular steel pipe, and atomizing nozzle and annular steel pipe are built annular shower nozzle, and in addition, atomizing nozzle can install a plurality ofly as required.
Preferably, evenly set up 12 atomizing nozzle on the annular steel pipe, atomizing nozzle's orientation is 45 degrees with the plane contained angle of annular steel pipe, and tangent line contained angle is 90 degrees.
Preferably, the connecting cylinder is a ventilating cylinder which is communicated left and right, one end of the connecting cylinder is provided with a bolt hole, the other end of the connecting cylinder is in a horn mouth shape, and the outer wall of the middle part of the connecting cylinder is provided with a lifting lug. The connecting cylinder can be made of rigid materials to increase the hardness of the connecting cylinder, and the lifting lugs can be arranged in a plurality of numbers to increase the stability of the device suspension.
Preferably, the lifting lug is provided with two lifting lugs.
Preferably, the one end welding of connecting piece is on annular steel pipe, and the other end is equipped with the bolt hole, through the bolt fastening on the connecting cylinder, the connecting piece can set up a plurality ofly for increase the stability of connecting.
Preferably, the number of the connecting pieces is 2, and the axes of the annular steel pipe and the connecting cylinder are coincident.
Preferably, the air duct is connected to one end of the air duct joint through a zipper, and the other end of the air duct joint is sleeved at one end of the connecting cylinder through an iron wire.
The air duct joint is of a flexible structure, one end of the air duct joint is provided with a zipper, the air duct joint is used for being quickly connected with the air duct, and a proper joint mode can be selected according to actual conditions. The other end is sleeved at one end of the horn mouth of the connecting cylinder and is tied tightly by an iron wire.
The air inlet of the air duct is provided with a press-in type ventilator.
Preferably, the water inlet is connected with a water pump, and the water pump is connected with a tunnel water inlet pipe.
The utility model discloses a theory of operation and beneficial effect are:
the tunnel positive-pressure ventilation dust-settling device is connected to an air outlet of a positive-pressure ventilation air duct, water mist is sprayed into positive-pressure air flow, fine water drops in the water mist are spread on the face by means of air pressure, dust particles in the air are adsorbed, and the dust-settling effect is achieved. Meanwhile, the dust concentration in the dirty air flowing out of the palm surface is also reduced.
In addition, the device is simple in structure, convenient to disassemble and assemble and capable of being hung above the tunnel, and tunnel construction is hardly influenced. And wind energy generated by positive pressure ventilation is fully utilized to convey water mist, additional electric energy consumption is not needed, and the use cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the annular nozzle of the present invention;
fig. 3 is a schematic view of the installation of the present invention;
in the figure, 1-atomizing nozzle; 2-annular steel pipe; 3-connecting the cylinder; 4-a wind barrel joint; 5-a connector; 6-water inlet; 7-lifting lugs; 8, a zipper; 9-bolt holes; 10-a water pump; 11-a hook; 12-tunnel water inlet pipe; 13-air duct.
Detailed Description
The present invention will be further described with reference to the following embodiments and accompanying drawings.
Referring to the attached drawings 1-2, a tunnel positive pressure ventilation dust-settling device comprises atomizing nozzles 1, an annular steel tube 2, a connecting cylinder 3 and an air duct joint 4, wherein 12 atomizing nozzles 1 are uniformly arranged on the inner side wall of the annular steel tube 2 and are communicated with the annular steel tube 2, the atomizing nozzles 1 and the annular steel tube 2 form an annular nozzle, the included angle between the orientation of the atomizing nozzles 1 and the plane of the annular steel tube 2 is 45 degrees, the included angle between the tangent lines is 90 degrees, the connecting cylinder 3 is a left-right through air duct, one end of the connecting cylinder 3 is provided with a bolt hole 9, the other end of the connecting cylinder 3 is of a horn mouth structure, the annular steel tube 2 is fixed at one end of the bolt hole of the connecting cylinder 3 through a connecting piece 5, one end of the horn mouth of the connecting cylinder 3 is sleeved with the air duct joint 4 and is fastened by an iron wire, the other end of the air duct joint 4, the annular steel pipe 2 is provided with a water inlet 6. The connecting pieces 5 are arranged in 2 numbers, and the axes of the annular steel pipe 2 and the connecting cylinder 3 are overlapped. The water inlet 6 is connected with a water pump 10, and the water pump 10 is connected with a tunnel water inlet pipe 12.
The specific operation method comprises the following steps: please refer to fig. 1 and fig. 3.
1. Firstly, a lifting hook 11 is arranged on a tunnel top plate which is 10m away from a tunnel face;
2. a lifting hook 11 passes through a lifting lug 7 on the connecting cylinder 3, the axis of the device is kept to be superposed with the axis of an air cylinder 13 to be connected, and the device is fixed;
3. after the device is fixed, the device is connected with a zipper at the air outlet of a tunnel ventilation air duct 13 through a zipper 8 arranged on an air duct joint 4;
4. after the device is connected, connecting a water pump 10 with a water inlet 6 of the annular steel pipe 2, and connecting the water pump 10 with a tunnel water inlet pipe 12;
5. after the water pump connection is completed, the water pump 10 is started, the spraying effect of the device is checked, the device operates normally, and dust falling can begin.
The device is connected to the air outlet of the positive pressure ventilation air duct, water mist is sprayed into positive pressure air flow, fine water drops in the water mist are pressed on the palm surface by air to be diffused, dust particles in the air are adsorbed, and the dust settling effect is achieved. Meanwhile, the dust concentration in the dirty air flowing out of the palm surface is also reduced.
This ventilation dust device, simple structure, convenient to detach equipment suspends in midair in the tunnel top, hardly influences tunnel construction. And wind energy generated by positive pressure ventilation is fully utilized to convey water mist, and additional electric energy consumption is not needed.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (6)
1. A tunnel positive-pressure ventilation dust-settling device is characterized by comprising atomizing nozzles, an annular steel pipe, a connecting cylinder and an air cylinder joint, wherein the atomizing nozzles are uniformly arranged on the inner side wall of the annular steel pipe and are communicated with the annular steel pipe; 12 atomizing nozzles are uniformly arranged on the annular steel pipe, the included angle between the orientation of the atomizing nozzles and the plane of the annular steel pipe is 45 degrees, and the included angle between the tangent lines is 90 degrees; the connecting cylinder is a ventilating cylinder which is communicated left and right, a bolt hole is formed in one end of the connecting cylinder, the other end of the connecting cylinder is in a horn mouth shape, and a lifting lug is arranged on the outer wall of the middle of the connecting cylinder.
2. The positive-pressure ventilation dust fall device for the tunnel according to claim 1, wherein two lifting lugs are arranged.
3. The positive-pressure ventilation dust fall device for the tunnel according to claim 1, wherein one end of the connecting piece is welded on the annular steel pipe, and the other end of the connecting piece is provided with a bolt hole and fixed on the connecting cylinder through a bolt.
4. The positive-pressure ventilation dust fall device for the tunnel according to claim 3, wherein 2 connecting pieces are arranged, and the axes of the annular steel pipe and the connecting cylinder are coincident.
5. The positive-pressure ventilation dust-settling device for the tunnel according to claim 1, wherein one end of the air duct joint is connected with the air duct through a zipper, and the other end of the air duct joint is sleeved at one end of the connecting duct through an iron wire.
6. The positive-pressure ventilation dust fall device for the tunnel according to claim 1, wherein the water inlet is connected with a water pump, and the water pump is connected with a water inlet pipe of the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920481964.0U CN210033517U (en) | 2019-04-10 | 2019-04-10 | Tunnel malleation ventilation dust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920481964.0U CN210033517U (en) | 2019-04-10 | 2019-04-10 | Tunnel malleation ventilation dust device |
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| Publication Number | Publication Date |
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| CN210033517U true CN210033517U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920481964.0U Active CN210033517U (en) | 2019-04-10 | 2019-04-10 | Tunnel malleation ventilation dust device |
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| CN (1) | CN210033517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957134A (en) * | 2020-07-24 | 2020-11-20 | 深圳市雾博环保科技有限公司 | Novel air-assisted double-fluid aerial fog dust fall fog gun |
-
2019
- 2019-04-10 CN CN201920481964.0U patent/CN210033517U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957134A (en) * | 2020-07-24 | 2020-11-20 | 深圳市雾博环保科技有限公司 | Novel air-assisted double-fluid aerial fog dust fall fog gun |
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