CN217152014U

CN217152014U - Coal mine gas pumping and discharging device

Info

Publication number: CN217152014U
Application number: CN202220098699.XU
Authority: CN
Inventors: 邓森; 李希建
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-08-09
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a coal mine gas pumping and discharging device, which relates to the technical field of coal mine gas pumping and discharging, and comprises an extracting mechanism, wherein the extracting mechanism comprises an extracting box, one end of the top of the extracting box is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a lead screw, the other end of the lead screw is rotatably connected with the bottom of the extracting box, and a limiting rod is rotatably connected between the top and the bottom of the inner wall of the extracting box; the utility model discloses a set up the first layer filter screen and filter gas, filter impurity and dust in the gas out, through setting up installation concentration detector, detect the concentration of suction gas, open control flap when gas concentration is too high and bring the external air into the rose box through the intake pipe in, dilute the gas of incasement, gas rethread second floor filter screen after diluting filters, avoids the gas high concentration gathering to explode in the pump drainage device.

Description

Coal mine gas pumping and discharging device

Technical Field

The utility model relates to a colliery gas drainage technical field specifically is a colliery gas drainage device.

Background

The colliery is when the construction operation, all be equipped with gas drainage hole usually, be used for the partial gas drainage in the operational environment, reduce gas content, safety accidents such as gas explosion avoid appearing, but current small-size gas drainage device, it is direct through aspiration pump intercommunication extraction pipe usually, take out gas and discharge in the middle of the air, gas is in the middle of the discharging process, in the middle of having a large amount of dust to get into the air incidentally, cause the pollution to the environment easily, simultaneously, gas is at the discharging process, the gas concentration in the possible extraction intracavity is too high, when the condition of electric leakage is higher or appears in the temperature, drainage device exists the risk of blasting, cause safety accidents such as economic loss and casualties.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide a coal mine gas pumping and discharging device which is provided with a filtering concentration adjusting mechanism and a filtering discharging mechanism, so that gas can be pumped out of a mine, and impurities and dust mixed with the gas can be filtered out at the same time, thereby avoiding the dust from polluting the environment; in addition, this pump drainage device is provided with concentration detector, when the concentration that detects the suction gas was too high, can open control flap and bring the external air into the rose box through the intake pipe in, dilutes the gas of incasement, avoids the gas high concentration gathering to explode in the pump drainage device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery gas pump drainage device, includes extraction mechanism, extraction mechanism is including the extraction case, extraction roof portion one end fixedly connected with driving motor, driving motor output fixedly connected with lead screw, the lead screw other end rotates to be connected and extracts the bottom half, it is connected with the gag lever post to rotate between the extraction incasement wall top bottom, lead screw outer wall activity spiro union has the haulage plate, haulage plate opposite side swing joint in gag lever post outer wall, haulage plate bottom central point puts the intercommunication and has the extraction pipe, haulage plate top central point puts the intercommunication and has the corrugated hose, corrugated hose other end intercommunication has first aspiration pump, first aspiration pump output intercommunication has the air duct, air duct other end intercommunication has the filtration to transfer dense mechanism, it all is provided with the support moving mechanism to filter to transfer dense mechanism both sides.

The filter thickening mechanism comprises a filter box, the top of the filter box is communicated with the other end of the air guide tube, the filter box is fixedly connected to one side of the extraction box, two filter screens are fixed to the inner wall of the filter box, a concentration detector is fixedly connected to the outer wall of the filter box, the outer wall of the filter box is communicated with a control valve, the air outlet end of the control valve is located between the two filter screens, the other end of the control valve is communicated with an air inlet pipe, and the bottom of the other side of the filter box is communicated with a second air pump.

The support moving mechanism comprises two support frames, the two support frames are fixedly connected with two sides of the filter box respectively, and rolling wheels and brake guide wheels are arranged at two ends of each support frame respectively.

The filter box comprises a filter box body, a filter box cover is arranged on the filter box body, a filter discharge mechanism is arranged on the other side of the filter box body, and the filter discharge mechanism comprises a water storage box.

In the above, the output end of the second air pump is communicated with the bottom of the water storage tank.

The utility model has the advantages that:

(1) the utility model provides a pair of colliery gas drainage device, its setting is installed and is filtered and transfer dense mechanism and filtration discharge mechanism, can take gas out from the mine, can filter the impurity and the dust that gas mix with simultaneously, avoids the dust polluted environment.

(2) The utility model provides a pair of colliery gas drainage device, it is provided with the concentration detector, when the concentration that detects the suction gas is too high, can open control flap and bring the external air into the rose box through the intake pipe in, dilutes the gas of incasement, and the gas after diluting is filtered through the filter screen again, avoids the gas high concentration gathering to explode in drainage device.

(3) The utility model provides a pair of colliery gas drainage device, it is provided with supports moving mechanism, is convenient for place at operating position, has increased drainage device's flexibility and practicality.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the removing mechanism of the present invention;

fig. 3 is a schematic view of the main body of the present invention.

In the figure: 1. a drawing mechanism; 101. an extraction box; 102. a drive motor; 103. a lead screw; 104. a traction plate; 105. an extraction pipe; 106. a corrugated hose; 107. a limiting rod; 2. a filtering and concentration adjusting mechanism; 201. A filter box; 202. a filter screen; 203. a concentration detector; 204. a control valve; 205. an air inlet pipe; 3. a filtering and discharging mechanism; 301. a water storage tank; 302. a box cover; 303. an exhaust pipe; 4. a support moving mechanism; 401. a support frame; 402. a rolling wheel; 403. a brake guide wheel; 5. a first air pump; 6. an air duct; 7. and a second air pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

The utility model provides a pair of colliery gas drainage device, its filter effect and security are better, avoid taking place gas and take out the in-process and explode again, have guaranteed operating personnel's safety, and this colliery gas drainage device's essential element has adopted alloy material to make, has increased the device's steadiness.

As shown in fig. 1-3, a coal mine gas pumping and discharging device comprises an extraction mechanism 1, the extraction mechanism 1 comprises an extraction box 101, one end of the top of the extraction box 101 is fixedly connected with a driving motor 102, the output end of the driving motor 102 is fixedly connected with a lead screw 103, the other end of the lead screw 103 is rotatably connected with the bottom of the extraction box 101, a limit rod 107 is rotatably connected between the top and the bottom of the inner wall of the extraction box 101, the outer wall of the lead screw 103 is movably screwed with a traction plate 104, the other side of the traction plate 104 is movably connected with the outer wall of the limit rod 107, the central position of the bottom of the traction plate 104 is communicated with an extraction pipe 105, the central position of the top of the traction plate 104 is communicated with a corrugated hose 106, the other end of the corrugated hose 106 is communicated with a first air pump 5, the driving motor 102 works to drive the lead screw 103 to rotate, the lead screw 103 rotates to drive the arranged traction plate 104 to move on the surface of the lead screw 103, the extraction pipe 105 is driven by the traction plate 104 to move, through offering the notch in extraction box 101 bottom and extraction pipe 105 corresponding position, extraction pipe 105 moves down and stretches into in the colliery drilling through the notch, and 5 output intercommunications of first aspiration pump have an

air duct

6, and 6 other end intercommunications of air duct have and filter and transfer dense mechanism 2, through 5 gaseous inhaleings of gas in with the drilling of first aspiration pump to send to filtering and transfer dense mechanism 2 in, filter and transfer dense mechanism 2 both sides all to be provided with support moving mechanism 4.

The filtering and concentration-adjusting mechanism 2 comprises a filter box 201, the top of the filter box 201 is communicated with the other end of the gas guide pipe 6, the filter box 201 is fixedly connected to one side of the extraction box 101, two filter screens 202 are fixed on the inner walls of the filter box 201, a concentration detector 203 is fixedly connected to the outer wall of the filter box 201, a control valve 204 is communicated with the outer wall of the filter box 201, the gas outlet end of the control valve 204 is positioned between the two filter screens 202, an air inlet pipe 205 is communicated with the other end of the control valve 204, gas is filtered by arranging a first layer of filter screens 202, impurities and dust in the gas are filtered, the concentration of the gas extracted is detected by arranging the concentration detector 203, when the gas concentration is too high, the control valve 204 is opened to bring outside air into the filter box 201 through the air inlet pipe 205, the gas in the box is diluted, the diluted gas is filtered through the filter screens, and the safety of the gas is ensured, avoid exploding, cause economic loss, ensure operating personnel's personal safety.

The bottom of one side of the filter box 201 is communicated with the second air pump 7, the supporting and moving mechanism 4 comprises two supporting frames 401, the two supporting frames 401 are fixedly connected with two sides of the filter box 201 respectively, and two ends of each supporting frame 401 are provided with a rolling wheel 402 and a braking-stopping guide wheel 403 respectively.

The filter tank 201 opposite side is provided with filters discharge mechanism 3, filter discharge mechanism 3 including water storage tank 301, water storage tank 301 top fixedly connected with case lid 302, case lid 302 top intercommunication has

blast pipe

303, 7 output of second aspiration pump communicate in water storage tank 301 bottom, gaseous the sending to water storage tank 301 bottom of gas after will filtering through second aspiration pump 7, the case lid 302 through taking off water storage tank 301 top setting is to pouring into appropriate amount of water into the incasement, water storage tank 301 can carry out secondary filtration with the gas that has the dust, with the part dust that exists in the gas of filtering, the gas after filtering passes through blast pipe 303 and discharges, the pollution of colliery gas to the environment has been reduced, the practicality of device has been increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery gas drainage device, includes extraction mechanism (1), its characterized in that: the extraction mechanism (1) comprises an extraction box (101), one end of the top of the extraction box (101) is fixedly connected with a driving motor (102), the output end of the driving motor (102) is fixedly connected with a lead screw (103), the other end of the lead screw (103) is rotatably connected with the bottom of the extraction box (101), a limiting rod (107) is rotatably connected between the bottom of the top of the inner wall of the extraction box (101), the outer wall of the lead screw (103) is movably screwed with a traction plate (104), the other side of the traction plate (104) is movably connected with the outer wall of the limiting rod (107), the central position of the bottom of the traction plate (104) is communicated with an extraction pipe (105), the central position of the top of the traction plate (104) is communicated with a corrugated hose (106), the other end of the corrugated hose (106) is communicated with a first air extraction pump (5), the output end of the first air extraction pump (5) is communicated with an air guide pipe (6), the other end of the air duct (6) is communicated with a filtering and thickening mechanism (2), and supporting and moving mechanisms (4) are arranged on two sides of the filtering and thickening mechanism (2).

2. The coal mine gas drainage device according to claim 1, wherein: the filtering and concentration-adjusting mechanism (2) comprises a filter box (201), the top of the filter box (201) is communicated with the other end of the air guide pipe (6), the filter box (201) is fixedly connected to one side of the extraction box (101), the inner wall of the filter box (201) is fixedly provided with two filter screens (202), the outer wall of the filter box (201) is fixedly connected with a concentration detector (203), the outer wall of the filter box (201) is communicated with a control valve (204), the air outlet end of the control valve (204) is positioned between the two filter screens (202), the other end of the control valve (204) is communicated with an air inlet pipe (205), and the bottom of the other side of the filter box (201) is communicated with a second air suction pump (7).

3. The coal mine gas drainage device according to claim 1, wherein: support moving mechanism (4) including support frame (401), support frame (401) are provided with two, two support frame (401) fixedly connected with rose box (201) both sides respectively, support frame (401) both ends are provided with rolling wheel (402) and only stop leading wheel (403) respectively.

4. The coal mine gas drainage device according to claim 2, wherein: the filter tank (201) opposite side is provided with filters discharge mechanism (3), filter discharge mechanism (3) including water storage box (301), water storage box (301) top fixedly connected with case lid (302), case lid (302) top intercommunication has blast pipe (303).

5. The coal mine gas drainage device according to claim 2, wherein: the output end of the second air pump (7) is communicated with the bottom of the water storage tank (301).