CN212748488U - Dust collector for underground gas monitoring equipment - Google Patents
Dust collector for underground gas monitoring equipment Download PDFInfo
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- CN212748488U CN212748488U CN202021453215.6U CN202021453215U CN212748488U CN 212748488 U CN212748488 U CN 212748488U CN 202021453215 U CN202021453215 U CN 202021453215U CN 212748488 U CN212748488 U CN 212748488U
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Abstract
The utility model discloses a dust collector for gas monitoring equipment in pit, including spiral dust remover and filtration absorbing device, the entrance point at spiral dust remover is connected to the outlet duct of air pump, the intake pipe and the multi-stage screen of air pump are connected, the exit end of spiral dust remover passes through the baffle and separates for gas outlet end and mineral dust exit end, the gas outlet end that filtration absorbing device's air inlet passes through first connecting pipe and spiral dust remover is connected, the gas outlet end that filters absorbing device is provided with the second connecting pipe, it just imitates the filter pulp to have set gradually in the filtration absorbing device, high-efficient filter screen and silica gel, the mineral dust exit end of spiral dust remover is provided with the mineral dust collecting box. The utility model has the advantages of reasonable design, multistage screen cloth, spiral dust remover and filtration absorbing device can be made up and carry out dry type dust removal in advance to the gas that awaits measuring in getting into the monitoring gas chamber, have avoided wet dust removal to easily cause the problem of trachea and sensor film jam, guarantee sensor monitoring data accuracy.
Description
Technical Field
The utility model belongs to the technical field of the gaseous dust collector of mine, concretely relates to dust collector for gas monitoring equipment in pit.
Background
After the ground air enters the underground, coal, rock dust and other tiny miscellaneous dust generated in the underground blasting, mining and transporting processes are mixed into the underground air, so that mine dust and mineral ash are easily generated. The dust removal area of the large dust removal equipment for the mine is limited to an area with a large area, and the problem of incomplete dust removal still exists, so that dust and mineral ash still exist in the area outside the dust removal range. Most of coal mines adopt a wet dust removal technology, the relative humidity is high, and after mine dust is pumped into an air pipe by an air pump, the dust and water are combined and easily attached to the wall of the air pipe to cause air pipe blockage or block a sensor film when the mine dust is pumped into a monitoring air chamber by the air pump, so that the absorption and detection of the sensor on the gas are influenced. The excessive moisture content in the gas causes corrosion or short circuit of the sensor circuit board module, the power supply and the data transmission module circuit board, and causes fire hazard. The filter screen is installed at the air inlet of the pipeline in the conventional air pipe filtering device, the filter screen replacement time is not fixed, and most of the filter screens are manually replaced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, a dust collector for gas monitoring equipment in the pit is provided, its structural design is reasonable, it can set up in same shell with gas monitoring equipment to filter dust collector, the mounted position is nimble, reduce mine wasting of resources, multistage screen cloth, spiral dust remover and filtration absorbing device can make up and carry out dry type dust removal in advance to the gas that awaits measuring that gets into in the monitoring gas chamber, the problem of wet dust removal easily causing trachea and sensor film to block up has been avoided, guarantee sensor monitoring data accuracy.
In order to solve the technical problem, the utility model discloses a technical scheme is: comprises a spiral dust remover and a filtering and absorbing device which are arranged in a shell, wherein an air pump is arranged at one side of the spiral dust remover, the air outlet pipe of the air pump is connected with the inlet end of the spiral dust remover, the air inlet pipe of the air pump extends out of the outer side of the shell and then is connected with the multi-stage screen mesh, the outlet end of the spiral dust remover is provided with a baffle plate for separating gas and mine dust, the outlet end of the spiral dust remover is separated into a gas outlet end and a mine dust outlet end by the baffle plate, the air inlet of the filtering and absorbing device is connected with the air outlet end of the spiral dust remover through a first connecting pipe, the air outlet end of the filtering and absorbing device is provided with a second connecting pipe which is connected with the air inlet of the monitoring air chamber, the filter absorption device is internally provided with primary filter cotton, a high-efficiency filter screen and silica gel from an air inlet to an air outlet in sequence, and a mineral dust collecting box is arranged at the mineral dust outlet end of the spiral dust collector.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: the spiral dust remover is characterized in that the spiral dust remover is a spiral pipeline formed by spirally bending a PE silicon core pipe, the partition plate is an arc partition plate matched with the spiral dust remover, the outer end of the PE silicon core pipe is used as the inlet end of the spiral dust remover, and the inner end of the PE silicon core pipe is used as the outlet end of the spiral dust remover.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: and an air inlet valve is arranged at the joint between the first connecting pipe and the gas outlet end of the spiral dust remover and is positioned in the center of the spiral dust remover.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: multistage screen cloth includes the toper casing, the less one end of cross section size is provided with the inlet channel who is used for with the intake-tube connection of air pump on the toper casing, by the great one end of cross section size the different screen cloth in a plurality of apertures of having laid in proper order to the less one end of cross section size in the toper casing, it is a plurality of the screen cloth all is located inlet channel's same end.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: the air inlet pipe is connected with the air inlet channel through a PVC hose, and the screen is fixed in the conical shell through a bolt.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: and a push-pull transparent glass window is arranged on the front side of the filtering and absorbing device.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: the inner cavity of the filtering and absorbing device comprises a cylindrical cavity and two conical cavities symmetrically arranged on two sides of the cylindrical cavity, the small-diameter ends of the two conical cavities are respectively used as an air inlet end and an air outlet end of the filtering and absorbing device, and the primary filter cotton, the efficient filter screen and the silica gel are all located in the cylindrical cavity.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: the mine dust collecting box is communicated with a mine dust outlet end of the spiral dust collector through a dust outlet pipe, one end of the dust outlet pipe is connected with the mine dust outlet end of the spiral dust collector, and the dust outlet pipe extends out of the outer side of the shell and then is connected to the mine dust collecting box.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: the mine dust collecting box is a toughened glass box, and a dust concentration sensor and an audible and visual alarm are arranged in the mine dust collecting box.
Foretell dust collector for gas monitoring equipment in pit, its characterized in that: the monitoring air chamber is located the shell, the gas outlet of monitoring air chamber is connected with exhaust duct, exhaust duct's one end is connected in the gas outlet of monitoring air chamber, exhaust duct's the other end stretches out the outside to the shell, exhaust duct stretches out and is provided with the check valve on the section in the shell outside.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a connect a spiral dust remover on the outlet duct of air pump, pass through the baffle simultaneously with the exit end of spiral dust remover and separate for gas outlet end and mine dust exit end, can be according to the difference of mine dust and the gaseous quality of awaiting measuring, the direction that produces centrifugal motion in spiral dust remover's pipeline is different, realizes mine dust and the gaseous separation of awaiting measuring, can effectively eliminate dust pollution, spiral dust remover stable performance simultaneously, easy maintenance, easy operation.
2. The utility model discloses a connect a multistage screen cloth in the intake pipe of air pump, can filter the great mine dust of particle diameter, avoid the great mine dust of particle diameter to produce the destruction to the structure of air pump, can effectively improve the life of air pump.
3. The utility model discloses a with multistage screen cloth, spiral dust remover and filtration absorbing device combination get up and carry out the dust removal of dustiness gas that awaits measuring, can make the mine dust particle of different particle diameters loop through multistage screen cloth, filter many times behind spiral dust remover and the filtration absorbing device, and then realize dry-type dust removal, can remove dust in advance to the gas that gets into in the monitoring air chamber, avoided gas pipeline or sensor film to block up, the accuracy of monitoring data has been improved, wet dedusting has still been solved simultaneously and has easily caused the condition of trachea jam.
4. The utility model discloses a be provided with the second connecting pipe that is used for linking to each other with the air inlet of monitoring air chamber at filter absorption device's gas outlet end, be convenient for with the gas transportation to the monitoring air chamber that awaits measuring that the dust removal was handled in, can effectively improve gas monitoring equipment's life.
To sum up, the utility model has the advantages of reasonable design, filter dust collector can set up in same shell with gas monitoring equipment, and the mounted position is nimble, reduces mine wasting of resources, and multistage screen cloth, spiral dust remover and filtration absorbing device can make up and go on dry-type dust removal in advance to the gas that awaits measuring that gets into in the monitoring gas chamber, have avoided wet-type dust removal to easily cause the problem of trachea and sensor film jam, guarantee sensor monitoring data accuracy.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the installation structure of the air inlet valve in the spiral dust collector of the present invention.
Fig. 3 is the schematic structural diagram of the filtering and absorbing device after the primary filter cotton, the high-efficiency filter net and the silica gel are removed.
Description of reference numerals:
1-a housing; 2-a spiral dust remover; 3, an air pump;
4-PVC hose; 5-1-a conical shell; 5-2-an intake passage;
6, an air inlet pipe; 7-air outlet pipe; 8-dust concentration sensor;
9-a mine dust collecting box; 10-audible and visual alarm; 11-an exhaust duct;
12-monitoring the gas chamber; 13-gas monitoring equipment; 14-a one-way valve;
15-a first connection pipe; 16-a filtration and absorption device; 16-1-cylindrical chamber;
16-2-conical cavity; 17-primary effect filter cotton; 18-high efficiency filter screen;
19-silica gel; 20-a second connecting tube; 21-a dust outlet pipe;
22-a separator; 23-inlet valve.
Detailed Description
As shown in fig. 1 to 3, the utility model discloses a spiral dust remover 2 and filtration absorbing device 16 of setting in shell 1, one side of spiral dust remover 2 is provided with air pump 3, the entrance point at spiral dust remover 2 is connected to outlet duct 7 of air pump 3, the intake pipe 6 of air pump 3 stretches out to be connected with multi-stage screen after the outside of shell 1, the exit end of spiral dust remover 2 is provided with the baffle 22 that is used for separating gas and mineral dust, the exit end of spiral dust remover 2 is separated for gas outlet end and mineral dust exit end through baffle 22, the air inlet of filtration absorbing device 16 is connected with the gas outlet end of spiral dust remover 2 through first connecting pipe 15, the gas outlet end of filtration absorbing device 16 is provided with the second connecting pipe 20 that is used for linking to each other with the air inlet of monitoring air chamber 12, it has set gradually primary filter cotton 17, filter cotton to the gas outlet by the air inlet in the filtration absorbing device 16, The efficient filter screen 18 and the silica gel 19, and the mine dust collection box 9 is arranged at the mine dust outlet end of the spiral dust collector 2.
During the in-service use, through connecting a spiral dust remover 2 on outlet duct 7 at air pump 3, pass through baffle 22 simultaneously with spiral dust remover 2's exit end and separate for gas outlet end and mine dust exit end, can be according to the mine dust and the difference of the gaseous quality of awaiting measuring, the direction that produces centrifugal motion is different inside the pipeline of spiral dust remover 2, realize the separation of mine dust and the gaseous of awaiting measuring, can effectively eliminate dust pollution, spiral dust remover 2 stable performance simultaneously, easy maintenance, easy operation.
It should be noted that, by connecting a multi-stage screen to the air inlet pipe 6 of the air pump 3, mine dust with a large particle size can be filtered, so that the structure of the air pump 3 is prevented from being damaged by the mine dust with a large particle size, and the service life of the air pump 3 can be effectively prolonged.
In this embodiment, when carrying out the dust removal of the gas that contains dust and awaits measuring, can make the mine dust particle of different particle diameters loop through multistage screen cloth, spiral dust remover 2 and filtration absorbing device 16 after carry out many times and filter, and then realize dry-type dust removal, solved the wet-type dust removal and easily caused the condition of trachea jam.
In this embodiment, but the primary effect is crossed filter cotton 17 filterable absorption particle diameter and is greater than 5 μm's micronic dust, what high efficiency filter 18 was preferred is HEPA high efficiency filter screen, but filterable absorption particle diameter is greater than 0.3 μm's micronic dust, contain the cobalt chloride in the silica gel 19, silica gel 19 can present different colours according to the volume of absorbing water, is blue when silica gel 19 does not absorb water, is pink when silica gel 19 volume of absorbing water reaches the saturation.
In this embodiment, the second connecting pipe 20 for connecting with the air inlet of the monitoring air chamber 12 is arranged at the air outlet end of the filtering and absorbing device 16, so that the gas to be detected after dust removal treatment can be conveniently conveyed into the monitoring air chamber 12, and the service life of the gas monitoring device 13 can be effectively prolonged; the gas monitoring device 13 is located in the monitoring gas chamber 12 and can monitor multi-component gas at the same time, and the gas monitoring device 13 transmits the gas concentration information of the underground catastrophe area to the monitoring host through the wireless communication module.
During practical use, because in the mine catastrophe region such as tunnel, collecting space area easily takes place, all need set up gas monitoring equipment 13 and monitor gas composition and concentration parameter in the pit, through setting up this dust collector, can remove dust in advance to the gas that gets into in the monitoring air chamber 12, avoided gas pipeline or sensor film to block up, improved the accuracy of monitoring data.
In this embodiment, the spiral dust collector 2 is a spiral pipeline formed by spirally bending a PE silicon core pipe, the partition plate 22 is an arc-shaped partition plate matched with the spiral dust collector 2, the outer end of the PE silicon core pipe is used as the inlet end of the spiral dust collector 2, and the inner end of the PE silicon core pipe is used as the outlet end of the spiral dust collector 2.
During the in-service use, PE silicon core pipe gas tightness is good, high strength, the inner wall is smooth, coefficient of friction is little, gaseous entering spiral dust remover 2 back of awaiting measuring, dirty gas is along with the radial reducing rate of spiral dust remover 2 pipeline constantly increases, ore dust and the gaseous centrifugal motion of not equidirectional and separating in baffle 22 department are done because of the quality difference with the gas of awaiting measuring, baffle 22 welded fastening is in PE silicon core pipe center department pipeline tail end, the gaseous gas of awaiting measuring through spiral dust remover 2 separation enters into filtration absorbing device 16 through first connecting pipe 15, the ore dust through spiral dust remover 2 separation enters into ore dust collecting box 9 through dust outlet pipe 21.
In this embodiment, when the resultant external force that dusty gas received along the radius direction is less than the required centripetal force when doing circular motion, dusty gas can receive the effect of centrifugal force when rotatory around the center, and the object is centrifugal motion, again because the quality of ore dust is greater than the gaseous quality of awaiting measuring, the ore dust will outwards pipe wall skew.
When in actual use, the gas outlet end of the spiral dust remover 2 is positioned at the inner side of the mine dust outlet end.
In this embodiment, an air inlet valve 23 is arranged at the connection between the first connection pipe 15 and the gas outlet end of the spiral dust collector 2, and the air inlet valve 23 is located at the center of the spiral dust collector 2.
During actual use, the air inlet valve 23 is arranged at the connecting position between the first connecting pipe 15 and the air outlet end of the spiral dust collector 2, the air inlet valve 23 can be automatically opened and closed at regular intervals, the time interval of air entering the filtering and absorbing device 16 can be controlled, and resource waste caused by the fact that the air pump 3 is in a working state for a long time is avoided.
In this embodiment, when the gas outlet of the spiral dust collector 2 has no gas to be measured, the gas inlet valve 23 is in a closed state.
In this embodiment, the multistage screen includes a conical housing 5-1, an air inlet channel 5-2 for connecting with an air inlet pipe 6 of an air pump 3 is disposed at the end with the smaller cross-sectional dimension of the conical housing 5-1, a plurality of screens with different apertures are sequentially disposed in the conical housing 5-1 from the end with the larger cross-sectional dimension to the end with the smaller cross-sectional dimension, and the plurality of screens are all located at the same end of the air inlet channel 5-2.
In practical use, four screens are arranged in the conical shell 5-1, the number of the four screens is 50 meshes, 100 meshes, 150 meshes and 200 meshes from the end with the larger transverse section size to the end with the smaller transverse section size of the conical shell 5-1, and the number of the screens can be changed according to the actual particle size distribution condition of mine dust.
In this embodiment, a 50-mesh screen can block coarse dust with a particle size larger than 270 μm, a 100-mesh screen can block coarse dust with a particle size larger than 150 μm, a 150-mesh screen can block coarse dust with a particle size larger than 106 μm, and a 200-mesh screen can block coarse dust with a particle size larger than 75 μm.
In the embodiment, the air inlet pipe 6 is connected with the air inlet channel 5-2 through the PVC hose 4, and the screen is fixed in the conical shell 5-1 through the bolt.
During the in-service use, PVC hose 4 is ultralight PVC hose, and its weight is little can rock under the effect of wind current in the pit, connects in PVC hose 4 lower part the multistage screen cloth takes place to rock, process the ore dust that multistage screen cloth blockked can be followed and dropped in the screen cloth, and then can reduce the change frequency of screen cloth, improves the life of screen cloth.
It should be noted that the screen is installed in the conical shell 5-1 through bolts, so that the screen can be replaced conveniently.
In this embodiment, a push-pull transparent glass window is disposed on the front side of the filtering and absorbing device 16.
During the in-service use, through set up plug-type transparent glass window in filtration absorbing device 16 front side, can observe silica gel 19's colour, be convenient for simultaneously change primary effect filter pulp 17, high-efficient filter screen 18 and silica gel 19.
As shown in fig. 3, in this embodiment, the inner cavity of the filtering and absorbing device 16 includes a cylindrical cavity 16-1 and two conical cavities 16-2 symmetrically disposed at two sides of the cylindrical cavity 16-1, the small diameter ends of the two conical cavities 16-2 are respectively used as an air inlet end and an air outlet end of the filtering and absorbing device 16, and the primary filter cotton 17, the high efficiency filter net 18 and the silica gel 19 are all located in the cylindrical cavity 16-1.
During practical use, the conical cavity 16-2 at the air inlet end of the filtering and absorbing device 16 can enable gas to be detected to uniformly pass through, so that the impact of the gas to be detected on a filter element inside the filtering and absorbing device is relieved, and the problems of low filter element utilization rate and low filtering efficiency caused by the fact that the gas only passes through the middle part filtering device are solved.
In this embodiment, the mineral dust collecting box 9 is communicated with the mineral dust outlet end of the spiral dust collector 2 through the dust outlet pipe 21, one end of the dust outlet pipe 21 is connected with the mineral dust outlet end of the spiral dust collector 2, and the dust outlet pipe 21 is connected to the mineral dust collecting box 9 after extending out of the outer side of the shell 1.
In this embodiment, the mine dust collecting box 9 is a toughened glass box, a dust concentration sensor 8 and a sound-light alarm 10 are arranged in the mine dust collecting box 9, and the dust concentration sensor 8 and the sound-light alarm 10 are both connected with a controller of the gas monitoring device 13.
During the in-service use, through be provided with dust concentration sensor 8 and audible-visual annunciator 10 in mine dirt collecting box 9, can detect the mine dirt collection volume in the mine dirt collecting box 9, when the setting value was collected to the mine dirt in the mine dirt collecting box 9, audible-visual annunciator 10 can send alarm signal, and then reminds the staff to clear up the mine dirt in the mine dirt collecting box 9.
In this embodiment, through setting up mine dust collecting box 9 into toughened glass case, the staff of being convenient for looks over the inside mine dust volume of mine dust collecting box 9, and the staff of being convenient for simultaneously receives the light signal that audible-visual annunciator 10 sent.
In actual use, the dust concentration sensor 8 is preferably a dust sensor with the model number GP2Y1014AU0F, and the audible and visual alarm 10 is preferably an audible and visual alarm with the model number DX-200.
In this embodiment, monitoring air chamber 12 is located shell 1, the gas outlet of monitoring air chamber 12 is connected with exhaust duct 11, the gas outlet at monitoring air chamber 12 is connected to exhaust duct 11's one end, exhaust duct 11's the other end stretches out to the outside of shell 1, exhaust duct 11 stretches out to be provided with check valve 14 on the section outside shell 1.
In actual use, the exhaust pipeline 11 is provided with the check valve 14, and the check valve 14 can adjust the movement direction of the gas to be detected so as to enable the gas to be detected to flow in a single direction, so that the gas to be detected containing dust is prevented from flowing into the monitoring gas chamber 12.
The utility model discloses during the in-service use, place this device in the place that the mine catastrophe easily takes place in the pit, the gaseous of dirt awaiting measuring in the pit is sucked by air pump 3, flow with higher speed by air pump 3 after the big coarse dust of multistage screen cloth filtration particle diameter gets into spiral dust remover 2, the gaseous flow speed that the dirt awaits measuring constantly increases along with the reduction of 2 pipeline bending radii of spiral dust remover, the big mineral dust of quality has the trend that tends to the motion of pipeline outer lane, the gaseous trend that tends to the motion of pipeline inner circle that awaits measuring that the quality is light, the mineral dust finally gets into to the mineral dust collecting box 9 through going out dirt pipe 21, the gaseous monitoring air chamber 12 of entering after filtering by filter device 16 of awaiting measuring.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (10)
1. The utility model provides a gas monitoring equipment dust collector in pit which characterized in that: comprises a spiral dust collector (2) and a filtering and absorbing device (16) which are arranged in a shell (1), wherein an air pump (3) is arranged on one side of the spiral dust collector (2), an air outlet pipe (7) of the air pump (3) is connected with the inlet end of the spiral dust collector (2), an air inlet pipe (6) of the air pump (3) is connected with a multi-stage screen after extending out of the outer side of the shell (1), a clapboard (22) for separating gas and mineral dust is arranged at the outlet end of the spiral dust collector (2), the outlet end of the spiral dust collector (2) is separated into a gas outlet end and a mineral dust outlet end through the clapboard (22), the air inlet of the filtering and absorbing device (16) is connected with the gas outlet end of the spiral dust collector (2) through a first connecting pipe (15), the gas outlet end of the filtering and absorbing device (16) is provided with a second connecting pipe (20) which is connected with the air inlet of, the filter absorber (16) is internally provided with primary filter cotton (17), a high-efficiency filter screen (18) and silica gel (19) from an air inlet to an air outlet in sequence, and a mineral dust collecting box (9) is arranged at the mineral dust outlet end of the spiral dust collector (2).
2. The dust removing device for a downhole gas monitoring apparatus according to claim 1, wherein: spiral dust remover (2) are the heliciform pipeline that forms by the spiral bending of PE silicon core pipe, baffle (22) are with spiral dust remover (2) matched with arc baffle, the entrance point of spiral dust remover (2) is regarded as to the outer end of PE silicon core pipe, the exit end of spiral dust remover (2) is regarded as to the inner of PE silicon core pipe.
3. The dust removing device for a downhole gas monitoring apparatus according to claim 2, wherein: and an air inlet valve (23) is arranged at the joint between the first connecting pipe (15) and the gas outlet end of the spiral dust remover (2), and the air inlet valve (23) is positioned at the center of the spiral dust remover (2).
4. The dust removing device for a downhole gas monitoring apparatus according to claim 1, wherein: the multistage screen comprises a conical shell (5-1), wherein an air inlet channel (5-2) used for being connected with an air inlet pipe (6) of an air pump (3) is formed in one end, with a smaller cross section, of the conical shell (5-1), a plurality of screens with different apertures are sequentially distributed in the conical shell (5-1) from one end, with a larger cross section, to one end, with a smaller cross section, of the conical shell, and the screens are all located at the same end of the air inlet channel (5-2).
5. The dust removing device for a downhole gas monitoring apparatus according to claim 4, wherein: the air inlet pipe (6) is connected with the air inlet channel (5-2) through a PVC hose (4), and the screen is fixed in the conical shell (5-1) through a bolt.
6. The dust removing device for a downhole gas monitoring apparatus according to claim 1, wherein: a push-pull transparent glass window is arranged on the front side of the filtering and absorbing device (16).
7. The dust removing device for a downhole gas monitoring apparatus according to claim 1, wherein: the inner cavity of the filtering and absorbing device (16) comprises a cylindrical cavity (16-1) and two conical cavities (16-2) symmetrically arranged on two sides of the cylindrical cavity (16-1), the small diameter ends of the two conical cavities (16-2) are respectively used as an air inlet end and an air outlet end of the filtering and absorbing device (16), and the primary filter cotton (17), the efficient filter screen (18) and the silica gel (19) are all located in the cylindrical cavity (16-1).
8. The dust removing device for a downhole gas monitoring apparatus according to claim 1, wherein: the mine dust collecting box (9) is communicated with the mine dust outlet end of the spiral dust collector (2) through a dust outlet pipe (21), one end of the dust outlet pipe (21) is connected with the mine dust outlet end of the spiral dust collector (2), and the dust outlet pipe (21) is connected to the mine dust collecting box (9) after extending out of the outer side of the shell (1).
9. The dust removing device for a downhole gas monitoring apparatus according to claim 1, wherein: the mine dust collecting box (9) is a toughened glass box, and a dust concentration sensor (8) and a sound-light alarm (10) are arranged in the mine dust collecting box (9).
10. The dust removing device for a downhole gas monitoring apparatus according to claim 1, wherein: monitoring air chamber (12) are located shell (1), the gas outlet of monitoring air chamber (12) is connected with exhaust duct (11), the gas outlet at monitoring air chamber (12) is connected to the one end of exhaust duct (11), the other end of exhaust duct (11) stretches out to the outside of shell (1), exhaust duct (11) stretch out to be provided with check valve (14) on the section in shell (1) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021453215.6U CN212748488U (en) | 2020-07-21 | 2020-07-21 | Dust collector for underground gas monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021453215.6U CN212748488U (en) | 2020-07-21 | 2020-07-21 | Dust collector for underground gas monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212748488U true CN212748488U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021453215.6U Expired - Fee Related CN212748488U (en) | 2020-07-21 | 2020-07-21 | Dust collector for underground gas monitoring equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028917A (en) * | 2021-11-11 | 2022-02-11 | 中煤科工集团重庆研究院有限公司 | Dust removal and dehumidification device for mine gas pipeline multi-parameter measuring instrument |
| CN114354861A (en) * | 2022-02-17 | 2022-04-15 | 中凯达设施管理(北京)有限公司湖北分公司 | Gas monitoring equipment |
-
2020
- 2020-07-21 CN CN202021453215.6U patent/CN212748488U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028917A (en) * | 2021-11-11 | 2022-02-11 | 中煤科工集团重庆研究院有限公司 | Dust removal and dehumidification device for mine gas pipeline multi-parameter measuring instrument |
| CN114354861A (en) * | 2022-02-17 | 2022-04-15 | 中凯达设施管理(北京)有限公司湖北分公司 | Gas monitoring equipment |
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