CN212318057U - Multi-roadway ventilation control system - Google Patents
Multi-roadway ventilation control system Download PDFInfo
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- CN212318057U CN212318057U CN202020925787.3U CN202020925787U CN212318057U CN 212318057 U CN212318057 U CN 212318057U CN 202020925787 U CN202020925787 U CN 202020925787U CN 212318057 U CN212318057 U CN 212318057U
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Abstract
The utility model relates to the technical field of mine ventilation, and discloses a multi-roadway ventilation control system, which comprises an air inlet pipeline, an air outlet pipeline and a plurality of groups of negative pressure fans, wherein the air inlet pipeline and the air outlet pipeline are both arranged in a mine, and the two ends of the air inlet pipeline and the air outlet pipeline are respectively communicated with the outside air and the air in the mine roadway; the multiple groups of negative pressure fans are respectively and fixedly arranged inside the air inlet pipeline and the air outlet pipeline at intervals, and the air inlet directions of the negative pressure fans in the air inlet pipeline and the negative pressure fans in the air outlet pipeline are opposite; an air filtering component is arranged at one end of the air inlet pipeline, which is far away from the mine roadway; and control pieces for controlling the starting of the negative pressure fans are arranged on the plurality of wind pressure fans. Through setting up air inlet pipeline, air-out pipeline, multiunit negative pressure fan, filtering component and control, increase the fresh air volume in the inside tunnel of mine, during the air in the mine tunnel flows into the outside air through the air-out pipeline to increase the ventilation effect of external and mine inside.
Description
Technical Field
The utility model belongs to the technical field of the technique of mine ventilation and specifically relates to a many tunnels ventilation control system is related to.
Background
Mine ventilation is the fundamental task in mining that reduces harmful gas content downhole while maintaining the necessary oxygen supply for downhole personnel. Because the tunnel in the mine is complicated, in order to ensure the effectiveness and reliability of the wind current, a ventilation facility needs to be installed in the tunnel, and the flowing state of the wind current in the mine is changed by increasing, decreasing and adjusting the ventilation facility, so that the wind pressure and the wind speed in different tunnels are controlled, and the supply of oxygen and harmful gas in the tunnel are ensured not to exceed the limit.
In the prior art, for example, the chinese utility model with publication number CN201262095Y discloses a natural ventilation device for underground mine, which comprises a vertical large chimney arranged in the area near the pithead, and a main ventilation duct connected with the vertical chimney and arranged in the main tunnel of underground mine, wherein the outlet of the main ventilation duct is arranged in the vertical large chimney and higher than the bottom surface of the vertical large chimney, the top of the vertical large chimney is provided with an umbrella cover, and the distance between the inlet of the main ventilation duct and the tunnel face of the main tunnel is 1-4 m. When the main tunnel is ventilated, the natural ventilation equipment utilizes the natural suction force of the vertical chimney to pump out harmful gas and dust with higher temperature near the face through the ventilation pipe, fresh air with lower temperature outside a mine enters the tunnel and flows to the vicinity of the face, natural convection is formed, and the problem of air quality near the face in the tunnel is solved.
The above prior art solutions have the following drawbacks: when natural ventilation equipment is used for ventilating a deeper mine, the depth in the mine is deeper, the number of roadways is large, and the suction force of the vertical chimney is not enough completely, so that the ventilation effect in the mine is poor, and fresh air in the mine is less.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a many tunnels ventilation control system for when using ventilation control system to ventilate in the mine, increase external and the inside ventilation effect of mine, thereby increase the inside fresh air of mine.
The utility model aims at realizing through the following technical scheme:
a multi-roadway ventilation control system comprises an air inlet pipeline, an air outlet pipeline and a plurality of groups of negative pressure fans, wherein the air inlet pipeline and the air outlet pipeline are both arranged in a mine, and two ends of the air inlet pipeline and the air outlet pipeline are respectively communicated with outside air and air in a mine roadway; the multiple groups of negative pressure fans are respectively and fixedly arranged inside the air inlet pipeline and the air outlet pipeline at intervals, and the air inlet directions of the negative pressure fans in the air inlet pipeline and the negative pressure fans in the air outlet pipeline are opposite; an air filtering component is arranged at one end of the air inlet pipeline, which is far away from the mine roadway; and control pieces for controlling the starting of the negative-pressure fans are arranged on the negative-pressure fans.
Through adopting above-mentioned technical scheme, when using ventilation control system to ventilate to the mine inside, start negative-pressure air fan, make the filterable fresh air flow of filter assembly enter the mine inside through the intake stack, thereby increase the fresh air volume in the inside tunnel of mine, the air in the mine tunnel flows into in the outside air through the air-out pipeline, thereby accomplish the inside air exchange of mine, the control can be according to the inside atmospheric pressure of mine too big or undersize realization automatic start-up and close, thereby increase external and the inside ventilation effect of mine, and then increase the inside fresh air of mine.
The present invention may be further configured in a preferred embodiment as: the air filtering component comprises a warning frame and a first filter screen, and the first filter screen is fixedly arranged on the peripheral side face of the warning frame.
Through adopting above-mentioned technical scheme, when external fresh air got into the intake stack, external fresh air got into the intake stack after first filter screen filters in to in entering into the tunnel of mine under negative pressure fan's pressure boost, thereby inside reducing external great pollutant entering into the mine, protect negative pressure fan, the warning frame can play the warning effect to subaerial staff, reduces the emergence of incident.
The present invention may be further configured in a preferred embodiment as: the one end that the external air was kept away from to intake stack and air-out pipeline all corresponds a plurality of tunnels and is provided with the shunt tubes, and the air inlet of bipartition shunt tubes sets up with the air outlet of intake stack and the air intake intercommunication of air-out pipeline respectively.
Through adopting above-mentioned technical scheme when ventilation system ventilates to the mine tunnel, fresh air flows through the intake stack and during the shunt tubes flowed into a plurality of tunnels to make ventilation control system ventilate to a plurality of tunnels in the mine, increase the utilization ratio of intake stack.
The present invention may be further configured in a preferred embodiment as: and the shunt pipe corresponding to the air outlet pipeline is communicated with a dust suction pipe, and a plurality of dust suction ports are uniformly formed in the peripheral side surface of the dust suction pipe.
Through adopting above-mentioned technical scheme, can produce the dust at the mining in-process, inside the floated dust in the tunnel got into the dust absorption pipe through the dust absorption mouth on the dust absorption pipe, got into air-out pipeline along the dust absorption pipe inside to make things convenient for the staff to clear up the dust, reduce the injury of dust to the staff health.
The present invention may be further configured in a preferred embodiment as: and a second filter screen is arranged on the negative pressure fan corresponding to the air outlet pipeline, and a cleaning assembly is arranged on the negative pressure fan.
Through adopting above-mentioned technical scheme, after the dust absorption pipe is collected the dust in the tunnel, inside the dust got into the air-out pipeline along with the direction that the wind flows, under the filtration of second filter screen, the second filter screen blockked the dust on the surface of filter screen, cleaned the subassembly and cleaned the dust to make things convenient for the staff to clean the dust.
The present invention may be further configured in a preferred embodiment as: the cleaning assembly comprises a scraper and a screw, the scraper is connected with the negative pressure fan in a sliding mode along the blowing direction perpendicular to the negative pressure fan, two ends of the screw are connected with the negative pressure fan in a rotating mode, the scraper is provided with a threaded hole corresponding to the screw, and the screw is in threaded connection with the threaded hole; and a driving piece for driving the screw rod to rotate is arranged on one side of the negative pressure fan.
Through adopting above-mentioned technical scheme, negative-pressure air fan during operation in the air-out pipeline starts the driving piece for the driving piece drives the screw rod and rotates, thereby makes scraper blade and screw rod take place relative rotation, and then makes the scraper blade clean the dust on the second filter screen.
The present invention may be further configured in a preferred embodiment as: one side of air-out pipeline is provided with the promotion subassembly, and the promotion subassembly sets up in the length direction of air-out pipeline.
Through adopting above-mentioned technical scheme, when the scraper blade cleaned negative-pressure air fan, the scraper blade was scraped the dust and is ended in the promotion subassembly to make the promotion subassembly transport the dust outside the mine, and then reduce the injury of dust in the mine to staff in the mine.
The present invention may be further configured in a preferred embodiment as: the lifting assembly comprises a conveyor belt and a collecting basket fixed on the surface of the conveyor belt, and the conveying direction of the conveyor belt is from the inside of the mine to the outside.
Through adopting above-mentioned technical scheme, when the scraper blade is swept the dust, the dust falls into the collection basket along with the scraper blade to make the promotion basket carry the dust, and then make hoisting device carry the dust to the outside of mine, reduce the injury of dust to staff in the mine.
To sum up, the utility model discloses a following at least one useful technological effect:
1. by arranging the air inlet pipeline, the air outlet pipeline, the multiple groups of negative pressure fans, the filtering assembly and the control part, when the ventilation control system is used for ventilating the interior of a mine, the negative pressure fans are started, so that fresh air filtered by the filtering assembly flows into the interior of the mine through the air inlet pipeline, the fresh air amount in a tunnel in the mine is increased, the air in the tunnel in the mine flows into external air through the air outlet pipeline, the air exchange in the mine is completed, the control part can realize automatic starting and closing according to the fact that the air pressure in the mine is too large or too small, the ventilation effect of the outside and the interior of the mine is increased, and the fresh air in the mine is further increased;
2. by arranging the warning frame and the first filter screen, when external fresh air enters the air inlet pipeline, the external fresh air enters the air inlet pipeline after being filtered by the first filter screen, and then enters a roadway of a mine under the pressurization of the negative pressure fan, so that external large pollutants are reduced from entering the mine, and the negative pressure fan is protected;
3. through setting up the shunt tubes, when ventilation system ventilated the mine tunnel, fresh air flowed through the intake stack and during the shunt tubes flowed into a plurality of tunnels to make ventilation control system ventilate to a plurality of tunnels in the mine, increase intake stack's utilization ratio.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numeral, 100, an air inlet duct; 110. a shunt tube; 200. an air outlet pipeline; 210. a dust collection pipe; 211. a dust suction port; 300. a negative pressure fan; 310. a second filter screen; 320. a drive member; 330. a slide rail; 400. a filter assembly; 410. a first filter screen; 420. a warning frame; 500. a control member; 600. a sweeping assembly; 610. a squeegee; 611. a threaded hole; 612. a slider; 620. a screw; 700. a lifting assembly; 710. a conveyor belt; 720. a collection basket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the multi-roadway ventilation control system comprises an air inlet pipeline 100, an air outlet pipeline 200 and a plurality of groups of negative pressure fans 300, wherein the air inlet pipeline 100 and the air outlet pipeline 200 are both installed inside a mine, and two ends of the air inlet pipeline 100 and two ends of the air outlet pipeline 200 are respectively communicated with outside air and air in a roadway in the mine. The multiple groups of negative pressure fans 300 are respectively and fixedly installed inside the air inlet pipeline 100 and the air outlet pipeline 200 at intervals, the negative pressure fans 300 are fixedly connected with the air inlet pipeline 100 and the air outlet pipeline 200 through bolt pairs, and the air inlet directions of the negative pressure fans 300 in the air inlet pipeline 100 and the negative pressure fans 300 in the air outlet pipeline 200 are opposite. An air filtering assembly 400 is installed at one end, far away from a mine roadway, of the air inlet pipeline 100, control pieces 500 for controlling the starting of the negative pressure fans 300 are installed on the negative pressure fans 300, and the control pieces 500 are pressure sensing switches. To reduce the ingress of larger contaminants into the mine, air filter assembly 400 includes a warning bracket 420 and a first filter 410, first filter 410 being welded to the peripheral side of warning bracket 420.
In order to improve the ventilation effect of the ventilation system, the ends of the air inlet pipeline 100 and the air outlet pipeline 200, which are far away from the outside air, are provided with the flow dividing pipes 110 corresponding to a plurality of roadways, and the air inlets of the two flow dividing pipes 110 are respectively communicated and sleeved with the air outlet of the air inlet pipeline 100 and the air inlet of the air outlet pipeline 200.
In order to reduce dust in the mine, a dust suction pipe 210 is communicated with the shunt pipe 110 corresponding to the air outlet pipeline 200, and a plurality of dust suction ports 211 are uniformly formed on the peripheral side surface of the dust suction pipe 210. The negative pressure fan 300 corresponding to the air outlet pipe 200 is provided with a second filter screen 310, the negative pressure fan 300 is provided with a cleaning assembly 600 (refer to fig. 2), and the cleaning assembly 600 is located on one side of the second filter screen 310 far away from the negative pressure fan 300. The cleaning assembly 600 comprises a scraper 610 and a screw 620, wherein the scraper 610 is connected with the negative pressure fan 300 in a sliding manner along a blowing direction perpendicular to the negative pressure fan 300, the negative pressure fan 300 is welded with a slide rail 330 along a sliding direction parallel to the scraper 610, a slide block 612 is integrally formed on the scraper 610 corresponding to the slide rail 330, and the slide block 612 is connected with the slide rail 330. Two ends of the screw 620 are rotatably connected with the negative pressure fan 300, the scraper 610 is provided with a threaded hole 611 corresponding to the screw 620, and the screw 620 is in threaded connection with the threaded hole 611. A driving member 320 for driving the screw 620 to rotate is fixedly installed at one side of the negative pressure fan 300, the driving member 320 is a stepping motor, and the stepping motor drives the scraper 610 to reciprocate. A lifting assembly 700 is installed at one side of the air outlet duct 200, and the lifting assembly 700 is arranged in the length direction of the air outlet duct 200. Lifting assembly 700 includes a conveyor belt 710 and a collection basket 720 affixed to the surface of conveyor belt 710, with conveyor belt 710 being transported in a direction from the interior of the mine to the exterior.
The implementation principle of the embodiment is as follows: when the ventilation system is used for ventilating a mine, the negative pressure fan 300 is started, so that outside fresh air enters the air inlet pipeline 100 after being filtered by the first filter screen 410 and enters the air distribution pipe under the pressurization of the negative pressure fans 300, and the fresh air enters a plurality of roadways. Dust generated in the mining process enters the dust suction pipe 210 through the dust suction port 211, and under the action of the negative pressure fan 300 in the air outlet pipeline 200, the dust enters the air outlet pipeline 200 along with the flowing of air, so that the dust is filtered by the second filter screen 310 on the negative pressure fan 300. The driving member 320 is started, so that the driving member 320 drives the screw 620 to rotate, and the scraper 610 and the screw 620 move relatively, so that the scraper 610 cleans the dust on the second filter screen 310, and the dust falls into the collection basket 720, so that the collection basket 720 moves along with the conveyor belt 710, and the dust in the collection basket 720 is transported out of the mine.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A multi-roadway ventilation control system is characterized in that: the mine ventilation device comprises an air inlet pipeline (100), an air outlet pipeline (200) and a plurality of groups of negative pressure fans (300), wherein the air inlet pipeline (100) and the air outlet pipeline (200) are both installed inside a mine, and two ends of the air inlet pipeline (100) and two ends of the air outlet pipeline (200) are respectively communicated with outside air and air in a mine roadway; the multiple groups of negative pressure fans (300) are respectively and fixedly arranged inside the air inlet pipeline (100) and the air outlet pipeline (200) at intervals, and the air inlet directions of the negative pressure fans (300) in the air inlet pipeline (100) and the negative pressure fans (300) in the air outlet pipeline (200) are opposite; an air filtering assembly (400) is arranged at one end, far away from the mine roadway, of the air inlet pipeline (100); and control parts (500) for controlling the starting of the negative pressure fans (300) are arranged on the negative pressure fans (300).
2. A multi-lane ventilation control system according to claim 1, wherein: the air filtering assembly (400) comprises a warning frame (420) and a first filter screen (410), wherein the first filter screen (410) is fixedly arranged on the peripheral side face of the warning frame (420).
3. A multi-lane ventilation control system according to claim 2, wherein: the one end that outside air was kept away from in intake stack (100) and air-out pipeline (200) all corresponds a plurality of tunnels and is provided with shunt tubes (110), and the air inlet of bipartition flow tubes (110) sets up with the air outlet of intake stack (100) and the air intake intercommunication of air-out pipeline (200) respectively.
4. A multi-lane ventilation control system according to claim 3, wherein: the shunt tubes (110) corresponding to the air outlet pipeline (200) are communicated with dust suction tubes (210), and a plurality of dust suction ports (211) are uniformly formed in the circumferential side surface of each dust suction tube (210).
5. A multi-lane ventilation control system according to claim 4, wherein: a second filter screen (310) is arranged on the negative pressure fan (300) corresponding to the air outlet pipeline (200), and a cleaning assembly (600) is arranged on the negative pressure fan (300).
6. A multi-lane ventilation control system according to claim 5, wherein: the cleaning assembly (600) comprises a scraper (610) and a screw (620), the scraper (610) is connected with the negative pressure fan (300) in a sliding mode along the blowing direction perpendicular to the negative pressure fan (300), two ends of the screw (620) are connected with the negative pressure fan (300) in a rotating mode, the scraper (610) is provided with a threaded hole (611) corresponding to the screw (620), and the screw (620) is in threaded connection with the threaded hole (611); and a driving piece (320) for driving the screw rod (620) to rotate is arranged on one side of the negative pressure fan (300).
7. A multi-lane ventilation control system according to claim 6, wherein: one side of air-out pipeline (200) is provided with lifting means (700), and lifting means (700) is arranged in the length direction of air-out pipeline (200).
8. A multi-lane ventilation control system according to claim 7, wherein: the lifting assembly (700) includes a conveyor belt (710) and a collection basket (720) secured to a surface of the conveyor belt (710), the conveyor belt (710) being transported in a direction from the interior of the mine to the exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925787.3U CN212318057U (en) | 2020-05-26 | 2020-05-26 | Multi-roadway ventilation control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925787.3U CN212318057U (en) | 2020-05-26 | 2020-05-26 | Multi-roadway ventilation control system |
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| CN212318057U true CN212318057U (en) | 2021-01-08 |
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| CN202020925787.3U Active CN212318057U (en) | 2020-05-26 | 2020-05-26 | Multi-roadway ventilation control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809672A (en) * | 2021-11-18 | 2021-12-17 | 江苏依特诺电力科技有限公司 | Urban construction land buries formula looped netowrk intelligence case |
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2020
- 2020-05-26 CN CN202020925787.3U patent/CN212318057U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809672A (en) * | 2021-11-18 | 2021-12-17 | 江苏依特诺电力科技有限公司 | Urban construction land buries formula looped netowrk intelligence case |
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