CN216978991U - Portable device for detecting multiple gases in closed goaf - Google Patents
Portable device for detecting multiple gases in closed goaf Download PDFInfo
- Publication number
- CN216978991U CN216978991U CN202123098243.8U CN202123098243U CN216978991U CN 216978991 U CN216978991 U CN 216978991U CN 202123098243 U CN202123098243 U CN 202123098243U CN 216978991 U CN216978991 U CN 216978991U
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- Prior art keywords
- gas
- goaf
- portable
- shell
- detection
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- 239000007789 gas Substances 0.000 title claims abstract description 73
- 238000001514 detection method Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 25
- 229920001296 polysiloxane Polymers 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a portable device for detecting various gases in a closed goaf, which is used for detecting gas components and solves the problems of high labor cost, low working efficiency, complex operation process and the like. In order to realize the purpose, the utility model adopts the technical scheme that: a portable device for detecting various gases in a closed goaf comprises a gas detection alarm device, a connecting device, a water absorption device and an air extraction device; the gas detection alarm device comprises a gas detector, the gas detector comprises a shell, a display screen is arranged in the middle of the left side of the shell, a detection probe is arranged in the middle of the right side of the shell, an alarm sensor is arranged in the gas detector, a gas chamber sealing cover is arranged right above a gas sensing hole, and a detection hole is arranged on the right side of the gas chamber sealing cover; the connecting device comprises an air inlet pipe penetrating through the detection hole, a connector is arranged at the end part of the right side of the air inlet pipe, a first air guide pipe is arranged on the right side of the connector, and a water absorbing device is arranged at the end part of the right side of the first air guide pipe.
Description
Technical Field
The utility model relates to a portable device for detecting various gases in a closed goaf, which is applied to the detection of gas components such as methane, carbon monoxide, oxygen, hydrogen sulfide and the like in the closed goaf of a coal mine, and belongs to a gas component detection device in the technical field of mine safety.
Background
A mine goaf comprises various mining activities, a goaf area, a goaf roadway, a peripheral coal mine goaf and the like are formed in a well field range, the mine must adhere to the principle of 'forecasting, doubtful, first exploring, then excavating and first treating and then mining', exploration and treatment of the goaf are carried out on the ground in a limited way, the underground exploration and treatment engineering is emphasized, and the potential safety hazard of the goaf is radically treated through three-dimensional comprehensive exploration such as underground geophysical exploration, chemical exploration, drilling and the like, so that the safety production is ensured.
At present, when gas in the closed goaf is detected under each coal mine, a gas sample is extracted from the closed goaf by using a sampling ball, then the gas sample is taken to a ground gas analysis chamber for gas component detection, and finally the gas concentrations of methane, carbon monoxide, oxygen, hydrogen sulfide and the like are obtained.
However, the whole process needs 6-8 hours, and at least two persons are needed to complete the sample collection through the sampling ball, so that the process is complex and the efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a gas component detection device, which is a portable device for detecting various gases in a closed goaf and can solve the problems of high labor cost, low working efficiency, complex operation process and the like.
In order to achieve the purpose, the utility model adopts the technical scheme that: a portable device for detecting various gases in the closed goaf comprises a gas detection alarm device, a connecting device, a water absorption device and an air extraction device.
Gaseous detection alarm device includes gaseous detector, and gaseous detector includes the shell, and shell left side middle part sets up the display screen, and shell right side middle part sets up test probe, and the inside alarm inductor that is equipped with of gaseous detector sets up the air chamber sealed cowling directly over the gaseous response hole, and the right side of air chamber sealed cowling sets up the inspection hole.
The connecting device comprises an air inlet pipe penetrating through the detection hole, the right side end portion of the air inlet pipe is provided with a joint, the right side of the joint is provided with a first air duct, the right side end portion of the first air duct is provided with a water absorption device, the right side end portion of the water absorption device is fixedly connected with a second air duct, and the right side end portion of the second air duct is connected with an air exhaust device.
Preferably, the water absorption device comprises a silicone tube, the two ends of the silicone tube are connected with the air guide tube, and the circumferential direction of the inner wall of the silicone tube is provided with adsorption cotton.
Preferably, air exhaust device includes the sampling ball, and sampling ball right side middle part sets up wedge-shaped sampling pipe, and sampling ball left side sets up the connecting pipe and is connected with second air duct right side tip.
Preferably, the gas detector is a CD4 multiparameter portable instrument.
Preferably, the warning sensor includes a sensor, a warning lamp disposed on the left side of the upper side of the housing, including a sound transmitting means and a vibration means.
It is further preferred that the housing is of ABS plastic material.
It is further preferred that the sampling ball is a manual sampling ball.
The utility model has the advantages that:
the method improves the working efficiency, shortens the detection time of the concentration of gases such as methane, carbon monoxide, oxygen, hydrogen sulfide and the like in the closed goaf, reduces the expenditure of labor cost, can be completed by less than one person by at least two persons originally, can be used for completing the detection of 8-10 closed gases within 10 minutes, and can improve the working efficiency by 2-3 times.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a partially enlarged view of the present invention.
Reference numerals:
1. the shell, 2, display screen, 3, test probe, 4, air chamber sealed cowling, 5, inspection hole, 6, intake pipe, 7, joint, 8, first air duct, 9, second air duct, 10, silicone tube, 11, sampling tube, 12, sampling ball, 13, connecting pipe, 14, warning light.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the utility model.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
One embodiment of the present invention is shown in fig. 1 to 3.
As shown in figure 1, the portable goaf airtight internal multiple gas detection device comprises a gas detection alarm device, a connecting device, a water absorption device and an air extraction device, wherein the gas detection alarm device comprises a gas detector, the gas detector comprises a shell 1, a display screen 2 is arranged in the middle of the left side of the shell 1, a detection probe 3 is arranged in the middle of the right side of the shell 1, an alarm sensor is arranged in the gas detector, a gas chamber sealing cover 4 is arranged right above a gas sensing hole, a detection hole 5 is arranged on the right side of the gas chamber sealing cover 4, the connecting device comprises an air inlet pipe 6 penetrating through the detection hole 5, a connector 7 is arranged at the right side end part of the air inlet pipe 6, a first air guide pipe 8 is arranged at the right side of the connector 7, the water absorption device is arranged at the right side end part of the first air guide pipe 8, a second air guide pipe 9 is fixedly connected at the right side end part of the water absorption device, and the air extraction device is connected at the right side end part of the second air guide pipe 9, when the gas collecting device is used for collecting gas, the sampling ball 12 is connected with the observation hole through the connecting device, then the gas in the closed space is pumped out through the sampling ball 12, the water in the gas is absorbed by the gas through the water absorption device, the water is prevented from entering the gas detector, internal elements are corroded, the gas chamber sealing cover 4 is additionally arranged above the gas chamber of the gas detector to form a closed space, the gas sample is prevented from being mixed with air, the measurement precision is prevented from being influenced, and finally the gas detector detects the concentration of methane, carbon monoxide, oxygen, hydrogen sulfide and other gases in the gas sample to obtain detection data.
The air extractor shown in fig. 2 comprises a sampling ball 12, a wedge-shaped sampling tube 11 is arranged in the middle of the right side of the sampling ball 12, a connecting tube 13 is arranged on the left side of the sampling ball 12 and connected with the end part of the right side of a second air duct 9, a gas detector is a CD4 multi-parameter portable instrument, an alarm inductor comprises a sensor and an alarm lamp 14 arranged on the left side of the upper side of a shell 1 and comprises a sound transmission device and a vibration device, and the shell 1 is made of ABS plastic; the sampling ball 12 is a manual sampling ball, and the sampling ball 12 is pressed by hands to pump out the gas in the closed goaf.
The water absorption device shown in fig. 3 comprises a silicone tube 10, the two ends of the silicone tube 10 are connected with air guide tubes, adsorption cotton is arranged in the circumferential direction of the inner wall of the silicone tube 10, the extracted gas absorbs moisture in the silicone tube through the water absorption device, the moisture is prevented from entering a gas detector, internal elements are corroded, air is extracted for 5 minutes, and the gas remained in an observation hole is completely extracted.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A portable detection device for various gases in a closed goaf is characterized by comprising a gas detection alarm device, a connecting device, a water absorption device and an air extraction device;
the gas detection alarm device comprises a gas detector, the gas detector comprises a shell (1), a display screen (2) is arranged in the middle of the left side of the shell (1), a detection probe (3) is arranged in the middle of the right side of the shell (1), an alarm inductor is arranged in the gas detector, a gas chamber sealing cover (4) is arranged right above a gas induction hole, and a detection hole (5) is arranged on the right side of the gas chamber sealing cover (4);
the connecting device comprises an air inlet pipe (6) penetrating through the detection hole (5), the right side end portion of the air inlet pipe (6) is provided with a connector (7), the right side of the connector (7) is provided with a first air duct (8), the right side end portion of the first air duct (8) is provided with a water absorption device, the right side end portion of the water absorption device is fixedly connected with a second air duct (9), and the right side end portion of the second air duct (9) is connected with an air extraction device.
2. The portable goaf enclosed multi-gas detection device according to claim 1, wherein the water absorption device comprises a silicone tube (10), air ducts are connected to two ends of the silicone tube (10), and adsorption cotton is arranged on the inner wall of the silicone tube (10) in the circumferential direction.
3. The portable goaf enclosed multi-gas detection device according to claim 1, wherein the gas extractor comprises a sampling ball (12), a wedge-shaped sampling tube (11) is arranged in the middle of the right side of the sampling ball (12), and a connecting tube (13) is arranged on the left side of the sampling ball (12) and connected with the end of the right side of the second gas guide tube (9).
4. The portable goaf-enclosed multiple gas detection device as claimed in claim 1, wherein said gas detector is a CD4 multiparameter portable instrument.
5. The portable goaf-enclosed multiple gas detection device as claimed in claim 1, wherein said alarm sensor comprises a sensor, an alarm light (14) disposed on the upper left side of the housing (1); comprising a sound transmission device and a vibration device.
6. The portable goaf-enclosed multiple-gas detection device according to claim 1, wherein the shell (1) is made of ABS plastic.
7. The portable goaf-confined multiple gas detection device as claimed in claim 3, wherein the sampling ball (12) is a manual sampling ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123098243.8U CN216978991U (en) | 2021-12-10 | 2021-12-10 | Portable device for detecting multiple gases in closed goaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123098243.8U CN216978991U (en) | 2021-12-10 | 2021-12-10 | Portable device for detecting multiple gases in closed goaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216978991U true CN216978991U (en) | 2022-07-15 |
Family
ID=82345810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123098243.8U Expired - Fee Related CN216978991U (en) | 2021-12-10 | 2021-12-10 | Portable device for detecting multiple gases in closed goaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216978991U (en) |
-
2021
- 2021-12-10 CN CN202123098243.8U patent/CN216978991U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |