CN220795184U - Gas detection device for coal mine - Google Patents
Gas detection device for coal mine Download PDFInfo
- Publication number
- CN220795184U CN220795184U CN202322515673.8U CN202322515673U CN220795184U CN 220795184 U CN220795184 U CN 220795184U CN 202322515673 U CN202322515673 U CN 202322515673U CN 220795184 U CN220795184 U CN 220795184U
- Authority
- CN
- China
- Prior art keywords
- detection box
- gas
- hose
- lower cavity
- filter ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 239000003245 coal Substances 0.000 title claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of gas detection, and discloses a gas detection device for a coal mine, which comprises a detection box, a filter ball and a hose, wherein an upper cavity and a lower cavity are respectively arranged above and below the inside of the detection box, the hose is connected below the filter ball and communicated with the filter ball, a hanging ring is fixed at the top of the filter ball, a fan chamber is arranged inside the detection box between the upper cavity and the lower cavity, a turbofan is arranged in the fan chamber, three air inlet pipes are vertically connected to the top of the detection box, and a gas sensor is arranged in the lower cavity. According to the technical scheme, the hose with the filter ball is arranged, the top can be fixed at the top position in the well, after the hose is connected with the detection box, the vortex fan arranged in the detection box can be used for sucking air from the upper part in the well into the detection box by matching with the hose and the filter ball, and then the air passes through the probe of the gas sensor, so that the gas concentration at the position can be detected more quickly and accurately.
Description
Technical Field
The utility model relates to the technical field of gas detection, in particular to a gas detection device for a coal mine.
Background
The safe production in a coal mine is a big precondition in the whole coal exploitation process, and the accurate detection of dangerous combustible gas-gas is the most important content, so that in order to ensure the safe working environment in the well, the gas concentration in the well needs to be ensured to be below the specified concentration, and therefore, a gas detection device needs to be arranged to detect the gas concentration.
The detection arrangement of the prior art is installed on the wall surface in the well, and because the concentration of the gas is lower than that of the air, the gas is not easy to be rapidly detected at the top of the well, and a certain risk exists. Therefore, we propose a gas detection device for coal mine.
Disclosure of Invention
The utility model aims to provide a gas detection device for a coal mine, which is characterized in that a hose with a filter ball is arranged, the top of the device can be fixed at the top position in a well, after the device is connected with a detection box, a turbofan arranged in the detection box can be used for sucking air from the upper part in the well into the detection box by matching with the hose and the filter ball, and then the gas concentration at the position can be detected more quickly and accurately through a probe of a gas sensor, so that the problem in the background technology is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the gas detection device for the coal mine comprises a detection box, a filter ball and a hose, wherein an upper cavity and a lower cavity are respectively arranged above and below the inside of the detection box, the hose is connected below the filter ball and communicated with the filter ball, and a hanging ring is fixed at the top of the filter ball; a fan chamber is arranged in the detection box between the upper cavity and the lower cavity, the upper part and the lower part of the fan chamber are respectively communicated with the inner parts of the upper cavity and the lower cavity through connecting pipes, a turbofan is arranged in the fan chamber, and an air outlet of the turbofan faces to the direction of the lower cavity; the top of the detection box is vertically connected with three air inlet pipes, the air inlet pipes are communicated with the inner part of the upper cavity, the rubber sleeve is sleeved above the air inlet pipes, the gas sensor is arranged in the lower cavity, and the probe of the gas sensor is arranged in the lower cavity.
Through adopting above-mentioned technical scheme, fix the detection box at well wall surface earlier, then make hose top filter ball by fixed in the top position in the well to make hose bottom be connected to the detection box inside, can utilize the turbofan to extract the air at well top to the detection box in, then detect out gas concentration by gas sensor.
Optionally, the back four corners of detection box all is fixed with the mounting panel, and the mounting panel is provided with a plurality of and its surface is provided with the through-hole.
Through adopting above-mentioned technical scheme, the mounting panel cooperation peg through its four corners of detection box is fixed at the well inner wall surface.
Optionally, an exhaust port is formed on the surface of the detection box at the side edge of the lower cavity, and the exhaust port is communicated with the lower cavity.
By adopting the technical scheme, the air entering the lower cavity is finally discharged to the outside from the air outlet.
Optionally, the inside of gas vent is vertically fixed with the filter screen, and the filter screen is provided with the bilayer.
By adopting the technical scheme, the filter screen can prevent external dust from entering the lower cavity from the exhaust port.
Optionally, the outer lane of intake pipe encircles and is provided with anti-skidding line, and anti-skidding line is provided with many circles and evenly distributed in the intake pipe outer lane.
Through adopting above-mentioned technical scheme, through the setting of anti-skidding line, can make hose and the firm connection of intake pipe antiskid.
Compared with the prior art, the beneficial effects of the technical scheme are as follows:
1. according to the technical scheme, the hose with the filter balls is arranged, the top can be fixed at the top position in the well, after the hose is connected with the detection box, the vortex fan arranged in the detection box can be utilized, the hose and the filter balls are matched to suck air from the upper part in the well into the detection box, and then the gas concentration can be detected more rapidly and accurately through the probe of the gas sensor.
2. According to the technical scheme, the plurality of air inlet pipes are communicated with the inner part of the upper cavity, the plurality of hoses can be connected simultaneously to cooperate with the filter balls to suck air above the well, and the multiple points can be monitored simultaneously.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram showing the overall structure of a gas detection device for coal mines;
fig. 2 is a schematic diagram of the structure of a filter ball and a hose of the gas detection device for coal mines.
In the figure: 1. a detection box; 11. an upper chamber; 111. a connecting pipe; 12. a lower cavity; 121. a gas sensor; 13. a mounting plate; 2. a fan chamber; 21. a turbofan; 3. an exhaust port; 31. a filter screen; 4. an air inlet pipe; 41. anti-skid lines; 42. a rubber sleeve; 5. a filter ball; 51. a hose; 52. hanging rings.
Detailed Description
Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a gas detection device for colliery, includes detection box 1, filter ball 5 and hose 51, and the back four corners of detection box 1 all is fixed with mounting panel 13, and mounting panel 13 is connected to be overall structure with detection box 1, and mounting panel 13 surface is provided with the through-hole that link up, can pass the peg through the through-hole, fixes the wall surface in the well with detection box 1.
The top inside the detection box 1 is provided with the upper chamber 11, and the top of detection box 1 is vertical to be connected with three intake pipe 4, and every intake pipe 4 all communicates with the inside of upper chamber 11, and then makes outside air can get into inside upper chamber 11 from intake pipe 4, and when there is intake pipe 4 idle and not using, can overlap rubber sleeve 42 and seal it on idle intake pipe 4.
The below of detecting box 1 is provided with lower chamber 12, and the surface mounting of lower chamber 12 has gas sensor 121, and the inside of lower chamber 12 is arranged in to its probe part, and the air that gets into in the lower chamber 12 can be detected gas concentration, and gas vent 3 has still been seted up on the detection box 1 surface in lower chamber 12 left side, can follow gas vent 3 with the air and discharge, and the inside of gas vent 3 is vertically fixed with filter screen 31, and filter screen 31 is provided with the bilayer, can filter the dust, avoids in the well dust to get into in the lower chamber 12 from gas vent 3.
The inside of the detection box 1 between the upper cavity 11 and the lower cavity 12 is provided with a fan chamber 2, the upper part and the lower part of the fan chamber 2 are respectively communicated with the inside of the upper cavity 11 and the inside of the lower cavity 12 through connecting pipes 111, a turbofan 21 is arranged in the fan chamber 2, an air outlet of the turbofan 21 faces to the direction of the lower cavity 12, when the turbofan 21 works, negative pressure is formed in the upper cavity 11, external air is forced to enter from an air inlet pipe 4, and finally pumped into the lower cavity 12 to be detected.
The hose 51 is connected below the filter ball 5, and the hose 51 is communicated with the inside of the filter ball 5, the hanging ring 52 is fixed at the top of the filter ball 5, the filter ball 5 can be matched with a bolt to be hung and fixed at the upper position in a well through the hanging ring 52, the outer ring of the air inlet pipe 4 is circumferentially provided with anti-skid patterns 41, the anti-skid patterns 41 are provided with a plurality of circles and uniformly distributed on the outer ring of the air inlet pipe 4, the bottom of the hose 51 can be firmly connected on the outer ring of the air inlet pipe 4 through the anti-skid patterns 41, and when the turbofan 21 is started, air above the well can be extracted through the cooperation of the hose 51 and the filter ball 5 to enter and be detected.
When the gas concentration monitoring device is used, the gas concentration monitoring device is installed and fixed through the mounting plate 13 on the side edge of the detection box 1, the gas concentration monitoring device is fixed on the wall surface of a well, the filter ball 5 is fixed at the position, close to the upper side in the well, of the well through the hanging ring 52 through the connecting pieces such as bolts, finally the bottom of the hose 51 is connected to the outer ring of the gas inlet pipe 4, the outer ring of the unused gas inlet pipe 4 is sleeved with the fixed rubber sleeve 42 to be sealed, in order to realize monitoring of gas concentration at a plurality of positions, all the gas inlet pipes 4 can be connected with the hose 51 and the filter ball 5, the turbofan 21 and the gas sensor 121 are connected to control equipment, in operation, the turbofan 21 and the gas sensor 121 are started, in operation, the gas at the top of the well can enter the hose 51 after dust is filtered through the filter ball 5, then enter the upper cavity 11 from the gas inlet pipe 4, enter the lower cavity 12 after passing through the fan chamber 2, the gas concentration is detected when the probe position of the gas sensor 121 is passed, data are transmitted to the alarm equipment, and finally the gas is discharged to the outside from the gas outlet 3.
Claims (5)
1. The utility model provides a gas detection device for colliery, includes detection box (1), filter ball (5) and hose (51), its characterized in that: an upper cavity (11) and a lower cavity (12) are respectively arranged above and below the inside of the detection box (1), a hose (51) is connected below and communicated with the filter ball (5), and a hanging ring (52) is fixed at the top of the filter ball (5);
a fan chamber (2) is arranged in the detection box (1) between the upper cavity (11) and the lower cavity (12), the upper part and the lower part of the fan chamber (2) are respectively communicated with the inner parts of the upper cavity (11) and the lower cavity (12) through connecting pipes (111), a turbofan (21) is arranged in the fan chamber (2), and an air outlet of the turbofan (21) faces to the direction of the lower cavity (12);
the top of detection box (1) is vertical to be connected with three intake pipe (4), and the inside intercommunication of intake pipe (4) and upper chamber (11), and rubber sleeve (42) have been put to the top cover of intake pipe (4), installs gas sensor (121) in lower chamber (12), and the probe of gas sensor (121) is arranged in inside lower chamber (12).
2. The gas detection device for coal mine as claimed in claim 1, wherein: the four corners of the back of the detection box (1) are respectively fixed with a mounting plate (13), and the mounting plates (13) are provided with a plurality of through holes on the surfaces.
3. The gas detection device for coal mine as claimed in claim 1, wherein: an exhaust port (3) is formed in the surface of the detection box (1) at the side edge of the lower cavity (12), and the exhaust port (3) is communicated with the lower cavity (12).
4. A gas detection apparatus for coal mines according to claim 3, wherein: a filter screen (31) is vertically fixed in the exhaust port (3), and the filter screen (31) is provided with a double layer.
5. The gas detection device for coal mine as claimed in claim 1, wherein: the outer ring of the air inlet pipe (4) is provided with anti-skidding lines (41) in a surrounding mode, and the anti-skidding lines (41) are provided with a plurality of circles and are uniformly distributed on the outer ring of the air inlet pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515673.8U CN220795184U (en) | 2023-09-15 | 2023-09-15 | Gas detection device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515673.8U CN220795184U (en) | 2023-09-15 | 2023-09-15 | Gas detection device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220795184U true CN220795184U (en) | 2024-04-16 |
Family
ID=90635154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322515673.8U Active CN220795184U (en) | 2023-09-15 | 2023-09-15 | Gas detection device for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220795184U (en) |
-
2023
- 2023-09-15 CN CN202322515673.8U patent/CN220795184U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105864021B (en) | Parallel water pump platform | |
| CN206479294U (en) | A kind of sealing property testing system of engineering machinery reductor | |
| CN220795184U (en) | Gas detection device for coal mine | |
| CN107727809A (en) | A kind of detection means of workshop gas | |
| CN214408900U (en) | A frock for on-vehicle nitrogen oxygen sensor detection of ventilating | |
| CN215811926U (en) | Air sulfide concentration analyzer | |
| CN205680259U (en) | A kind of detection flange automatically | |
| CN206690090U (en) | A kind of hybrid six degree of freedom mechanical gripper of push-rod speed reducer | |
| CN206192646U (en) | Compared with prior art, | |
| CN211179745U (en) | VOC on-line monitoring system with sample gas purification treatment and early warning | |
| CN213980872U (en) | Coal mine safety monitoring and air purification integrated device | |
| CN204461827U (en) | A kind of air compressor machine integrated gas vasculum | |
| CN203893992U (en) | Spin-on filtering device for detecting airtightness | |
| CN110630295A (en) | Downhole guniting machine convenient and fast in dust fall | |
| CN206071758U (en) | A kind of integrated canister | |
| CN206071756U (en) | A kind of canister of belt sensor | |
| CN207248582U (en) | A kind of pump suction gas sampling apparatus | |
| CN108918048A (en) | A kind of deduster compressed air leakage alarm method | |
| CN206071755U (en) | A kind of canister of provided with electromagnetic valve | |
| CN206843519U (en) | A kind of cooling water pipe detecting system of cooling wall | |
| CN219570079U (en) | Underground pressure monitoring device for coal-bed gas well | |
| CN201519528U (en) | Dust-removing cloth bag penetration detecting device | |
| CN219675953U (en) | Petrochemical safety inspection is with alarm device | |
| CN219244912U (en) | Coal seam gas drainage leakage point detection system | |
| CN218384166U (en) | Fire alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |