CN112781944B - Quick extraction sampling device based on coal mine gas extraction - Google Patents
Quick extraction sampling device based on coal mine gas extraction Download PDFInfo
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- 238000000605 extraction Methods 0.000 title claims abstract description 72
- 238000005070 sampling Methods 0.000 title claims abstract description 27
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000000746 purification Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000002274 desiccant Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 34
- 239000000523 sample Substances 0.000 claims description 30
- 238000001035 drying Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 10
- 230000007306 turnover Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000010419 fine particle Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims 2
- 239000000945 filler Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 77
- 238000005553 drilling Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention relates to the technical field of coal mine gas extraction equipment, in particular to a rapid extraction and sampling device based on coal mine gas extraction. The invention aims to solve the technical problems that a sampling head structure of the existing device cannot extend into a drilled hole and enter a cavity for sampling, and fillers and drying agents in an extraction pipeline are inconvenient to replace and clean. In order to solve the technical problems, the invention provides a rapid extraction and sampling device based on coal mine gas extraction, which consists of a detection and extension mechanism and a tail gas purification mechanism, wherein the detection and extension mechanism extends into a gas drill hole from the drill hole, so that the gas in the gas drill hole can be conveniently extracted, sampled and detected, the accuracy of gas detection data is ensured, the influence of air in a tunnel on the accuracy of a detection result is avoided, and the device is convenient for cleaning filtered dust and a dried and deteriorated drying agent and replacing, is simple and convenient to operate and improves the replacement efficiency.
Description
Technical Field
The invention relates to the technical field of coal mine gas extraction equipment, in particular to a rapid extraction and sampling device based on coal mine gas extraction and a using method thereof.
Background
The gas is colorless, tasteless and odorless, is insoluble in water, and can cause people to suffocate due to oxygen deficiency and generate combustion or explosion when reaching a certain concentration. At present, in the process of mining a coal mine, gas in a coal seam of the coal mine needs to be extracted so as to prevent accidents after the gas is discharged.
In the prior art, part gas drainage sampling device is in using this in-process, because of its front end is provided with the cover of breathing in of tubaeform, only be applicable to the inside extraction sampling of coal mine tunnel, when digging the cavity that meets the geological stratification, the pore entering cavity that the face was seted up through adopting to dig in the sample head structure of current device can not be through adopting, lead to current device to use the operation inconvenient, and the change clearance of the filler in the pipeline of taking out and drying agent is all comparatively inconvenient, and the troublesome poeration.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rapid extraction sampling device based on coal mine gas extraction and a using method thereof, and solves the problems that the sampling head structure of the conventional rapid extraction device based on coal mine gas extraction cannot stretch into a drilled hole and enter into the drilled hole for sampling, and fillers and drying agents in an extraction pipeline are inconvenient to replace and clean.
In order to achieve the purpose, the invention is realized by the following technical scheme: a rapid extraction and sampling device based on coal mine gas extraction comprises an extraction machine, wherein a guide pipe on the left side of the extraction machine is fixedly sleeved with a male joint cylinder, the outer wall of the male joint cylinder is movably clamped with a female joint matrix, the left side of the female joint matrix is fixedly connected with a screw, the left end of the screw is fixedly connected with a wedge block, the middle of the inner part of the screw is provided with an extraction groove, the left end of the outer wall of the screw is in threaded connection with an extension detection mechanism, the right side of the extraction machine is fixedly connected with a gas content detector, the middle of the right side of the gas content detector is fixedly inserted with a gas guide pipe, and the right end of the gas guide pipe is fixedly connected with a tail gas purification mechanism;
the stretching mechanism comprises a probe rod, the right end of the probe rod is in threaded connection with the left end of a screw rod, the top and the bottom of the left end of the outer wall of the probe rod are both provided with accommodating grooves, the inside of each accommodating groove is hinged with a movable baffle, the left end of the inner wall of each movable baffle is fixedly connected with a lug, the hinged parts at the front side and the rear side of each movable baffle are movably sleeved with a torsion spring, and the two ends of each torsion spring are respectively and fixedly connected with the inner wall of each accommodating groove and the outer wall of each movable baffle;
the tail gas purification mechanism comprises a dust filtering box, the left side of the dust filtering box is movably sleeved at the right end of the air guide tube, the right end inside the dust filtering box is movably clamped with a dust filtering net, the top end of the right side of the dust filtering box is fixedly inserted with a dredging pipe, the right side of the dust filtering box is fixedly connected with a purifying box, the left side of the top of the purifying box is also fixedly inserted with a dredging pipe and a top, one end of the dredging pipe is fixedly connected with a drying box, the bottom of the drying box is fixedly connected with the tops of the dust filtering box and the purifying box respectively, the inside of the drying box is movably clamped with an inclined supporting plate, the right side inside of the drying box is hinged with a ventilating plate, the left top of the dust filtering box is rotatably connected with a twist lock, and one end of the twist lock is connected with the left bottom end of the ventilating plate in a lap mode.
Preferably, the right center of the extraction machine is communicated with the inside of the gas content detector, and the inside of the gas content detector is communicated with the inside of the tail gas purification mechanism through a gas guide pipe.
Preferably, the cross section of the extraction groove is T-shaped, and two ends of the extraction groove are communicated with the outside of the screw rod.
Preferably, the left side surface of the probe rod is a circular arc surface, and the two movable baffles are arranged at the left end of the probe rod in a splayed manner.
Preferably, one end of the dredging pipe is fixedly sleeved in the purifying box, and the dredging pipe is L-shaped.
Preferably, the application method of the rapid extraction sampling based on the coal mine gas extraction comprises the following steps:
s1: inside at first stretching into the drilling of reserving with the circular head probe of probe rod to run through inside the drilling of reserving stretches into the gas cavity, the one end that installs the wedge with the screw rod again cup joints into from the other end screw thread of probe rod, and make the left side of wedge and the left side overlap joint of probe rod inner wall, the wedge of round platform shape is driven by the rotatory screw rod of screw thread and is rotatory and remove, with lug jack-up, two lugs by the jack-up drive two adjustable baffles and expand, and make and accomodate the groove and be the open mode.
S2: and then clamping the male joint cylinder and the female joint matrix, communicating an extraction groove and an extraction machine, starting the extraction machine, extracting gas from the gas drill hole, conveying the gas into a gas content detector for detection, and conveying the detected tail gas into a tail gas purification mechanism through a gas guide pipe for purification and drying treatment.
S3: tail gas firstly enters the inside of the dust filtering box and is filtered by the dust filtering net, the tail gas is guided to the water solution in the purifying box by the left conveying pipe, fine particles in the tail gas are filtered, the filtered tail gas is guided to the inside of the drying box by the right conveying pipe, the drying agent placed by the inclined supporting plate is dried by entering the inclined supporting plate, the tail gas is discharged from the through hole in the outer wall of the air permeable plate, the locking state of the air permeable plate can be relieved by rotating the twist lock, after the tail gas is opened, the drying agent on the inclined supporting plate can be replaced, the dust filtering net can be drawn out from the bottom of the inner wall of the drying box for cleaning, the screw port at the bottom of the dust filtering box is rotated, the closed turnover plate can be opened, dust in the dust filtering box can be cleaned, the air permeable plate and the turnover plate can be closed by reversely operating the steps, and cleaning and replacement can be completed.
Advantageous effects
The invention provides a rapid extraction and sampling device based on coal mine gas extraction and a using method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) This take out and adopt sampling device fast based on colliery gas is taken out and use method thereof is through stretching the mechanism to stretch into the gas cavity in stretching from the drilling with visiting, conveniently extracts the sampling detection to the gas content in the gas cavity, ensures the precision of gas detection data, avoids the inside air influence testing result's of tunnel accuracy.
(2) The rapid extraction and sampling device based on coal mine gas extraction and the using method thereof filter the detected gas sample by a tail gas purification mechanism in a grading manner, conveniently clean the filtered dust and the drying agent deteriorated after drying, replace the drying agent, are simple and convenient to operate, and improve the replacement efficiency.
(3) This take out sampling device and application method of adopting fast based on colliery gas is taken out and is adopted uses through the cooperation of adjustable fender and torsional spring, can keep closed under the normal attitude, avoids the great granule in drilling or the tunnel to get into the inside influence device normal operating of probe rod, and the device can accomplish the installation through threaded connection and joint, and is very convenient.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a front view of the structure of the present invention;
FIG. 4 is a front view of a portion of the structure of the present invention;
fig. 5 is a left side sectional view of a portion of the structure of the present invention.
In the figure: 1. an extraction machine; 2. a male connector post; 3. a female connector matrix; 4. a screw; 5. a wedge block; 6. an extraction tank; 7. a stretching mechanism; 71. a probe rod; 72. a receiving groove; 73. a movable baffle; 74. a bump; 75. a torsion spring; 8. a gas content detector; 9. an air duct; 10. a tail gas purification mechanism; 101. a dust filtering box; 102. a dust filter screen; 103. a dredging pipe; 104. a purification box; 105. a drying oven; 106. a diagonal bracing plate; 107. a gas permeable plate; 108. and (4) twist locking.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a rapid extraction and sampling device based on coal mine gas extraction comprises an extraction machine 1, wherein a guide pipe on the left side of the extraction machine 1 is fixedly sleeved with a male joint cylinder 2, the outer wall of the male joint cylinder 2 is movably clamped with a female joint matrix 3, the left side of the female joint matrix 3 is fixedly connected with a screw rod 4, the left end of the screw rod 4 is fixedly connected with a wedge block 5, the middle part inside the screw rod 4 is provided with an extraction groove 6, the left end of the outer wall of the screw rod 4 is in threaded connection with a stretching mechanism 7, the right side of the extraction machine 1 is fixedly connected with a gas content detector 8, the middle part on the right side of the gas content detector 8 is fixedly inserted with a gas guide pipe 9, and the right end of the gas guide pipe 9 is fixedly connected with a tail gas purification mechanism 10;
the stretching mechanism 7 comprises a probe rod 71, the right end of the probe rod 71 is in threaded connection with the left end of the screw rod 4, the top and the bottom of the left end of the outer wall of the probe rod 71 are respectively provided with an accommodating groove 72, a movable baffle plate 73 is hinged inside the accommodating groove 72, a bump 74 is fixedly connected to the left end of the inner wall of the movable baffle plate 73, torsion springs 75 are movably sleeved at the hinged parts of the front side and the rear side of the movable baffle plate 73, two ends of each torsion spring 75 are respectively and fixedly connected with the inner wall of the accommodating groove 72 and the outer wall of the movable baffle plate 73, the stretching mechanism 7 is stretched into the gas cavity from the drill hole, the gas content in the gas cavity can be conveniently extracted, sampled and detected, the accuracy of gas detection data is guaranteed, and the influence of air inside a roadway on the accuracy of detection results is avoided;
the tail gas purification mechanism 10 comprises a dust filtering box 101, the left side of the dust filtering box 101 is movably sleeved at the right end of the gas guide pipe 9, the left side and the bottom left side of the dust filtering box 101 are respectively provided with a turnover plate and a screw fastener, so that dust in the dust filtering box 101 is convenient to clean, the right end in the dust filtering box 101 is movably clamped with a dust filtering net 102, the top end of the right side of the dust filtering box 101 is fixedly inserted with a dredging pipe 103, the right side of the dust filtering box 101 is fixedly connected with a purification box 104, the left side of the top of the purification box 104 is also fixedly inserted with the dredging pipe 103, the top of the rear side of the inner wall of the purification box 104 and the bottom of the inner wall are respectively fixedly inserted with a water inlet pipe and a water outlet pipe, the one end fixedly connected with drying cabinet 105 of pipe 103 is dredged at the top, drying cabinet 105's bottom respectively with the top fixed connection of dirt filtering box 101 and purifying box 104, drying cabinet 105's inside activity joint has inclined supporting plate 106, drying cabinet 105 inside right side articulates there is ventilative board 107, the left top of dirt filtering box 101 is rotated and is connected with twist lock 108, the one end overlap joint of twist lock 108 is in the left bottom of ventilative board 107, filter the gas sample that has detected through tail gas purification mechanism 10 is hierarchical, and be convenient for clear up the dirt that filters out and the rotten drier after the drying, and change, and easy operation is convenient, and the change efficiency is improved.
In the invention, the right center of the extraction machine 1 is communicated with the inside of a gas content detector 8, and the inside of the gas content detector 8 is communicated with the inside of a tail gas purification mechanism 10 through a gas guide pipe 9.
In the invention, the cross section of the extraction groove 6 is T-shaped, and both ends of the extraction groove 6 are communicated with the outside of the screw rod 4.
In the invention, the left side surface of the probe rod 71 is an arc surface, and the two movable baffles 73 are arranged at the left end of the probe rod 71 in a splayed shape and can be normally closed, so that larger particles in a drilled hole or a roadway can be prevented from entering the interior of the probe rod 71 to influence the normal operation of the device, and the device can be installed through threaded connection and clamping, and is very convenient and fast.
In the present invention, one end of the dredging pipe 103 is fixedly sleeved inside the purifying box 104, and the shape of the dredging pipe 103 is L-shaped.
A use method of a rapid extraction sampling device based on coal mine gas extraction comprises the following steps:
s1: firstly, the round head of the probe rod 71 is extended into the reserved drilling hole and penetrates through the reserved drilling hole to extend into the gas cavity, one end of the screw rod 4, provided with the wedge block 5, is sleeved with the other end of the probe rod 71 through threads, the left side of the wedge block 5 is in lap joint with the left side of the inner wall of the probe rod 71, the frustum-shaped wedge block 5 is driven by the screw rod 4 rotating through the threads to rotate and move, the convex block 74 is jacked up, the two jacked convex blocks 74 drive the two movable baffles 73 to expand, and the accommodating groove 72 is in an opening state.
S2: then, the male joint cylinder 2 and the female joint matrix 3 are clamped and connected, the extraction groove 6 and the extraction machine 1 are communicated, the extraction machine 1 is started, gas is extracted from a gas drilling hole and conveyed to the inside of a gas content detector 8 for detection, and after detection is finished, tail gas can be conveyed to the inside of a tail gas purification mechanism through a gas guide pipe 9 for purification and drying treatment.
S3: the tail gas firstly enters the inside of the dust filtering box 101 and is filtered by the dust filtering net 102, then is guided to the water solution in the purifying box 104 by the left conveying pipe 103, fine particles in the tail gas are filtered, the filtered tail gas is guided to the inside of the drying box 105 by the right conveying pipe 103, the drying agent placed on the inclined supporting plate 106 is dried and discharged from the through hole on the outer wall of the air permeable plate 107, the locking state of the air permeable plate 107 can be released by rotating the twist lock 108 for 180 degrees, after the air permeable plate 107 is opened, the drying agent on the inclined supporting plate 106 can be replaced, the dust filtering net 102 can be drawn out from the bottom of the inner wall of the drying box 105 for cleaning, the screw port at the bottom of the dust filtering box 101 is rotated, the closed turnover plate can be opened, the dust in the dust filtering box 101 can be cleaned, and the air permeable plate 107 and the turnover plate can be closed in the reverse operation steps, and the cleaning and the replacement can be completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a take out and adopt sampling device fast based on colliery gas is taken out and is adopted, includes and takes out and adopt machine (1), its characterized in that: a male joint cylinder (2) is fixedly sleeved on a conduit on the left side of the gas extraction machine (1), a female joint matrix (3) is movably clamped on the outer wall of the male joint cylinder (2), a screw (4) is fixedly connected on the left side of the female joint matrix (3), a wedge block (5) is fixedly connected on the left side of the screw (4), an extraction groove (6) is formed in the middle of the inner part of the screw (4), a detection and extension mechanism (7) is connected on the left end of the outer wall of the screw (4) in a threaded manner, a gas content detector (8) is fixedly connected on the right side of the gas extraction machine (1), a gas guide pipe (9) is fixedly inserted in the middle of the right side of the gas content detector (8), and a tail gas purification mechanism (10) is fixedly connected on the right end of the gas guide pipe (9);
the stretching mechanism (7) comprises a probe rod (71), the right end of the probe rod (71) is in threaded connection with the left end of the screw rod (4), the top and the bottom of the left end of the outer wall of the probe rod (71) are both provided with an accommodating groove (72), a movable baffle (73) is hinged inside the accommodating groove (72), the left end of the inner wall of the movable baffle (73) is fixedly connected with a convex block (74), the hinged parts of the front side and the rear side of the movable baffle (73) are both movably sleeved with torsion springs (75), and two ends of each torsion spring (75) are respectively fixedly connected with the inner wall of the accommodating groove (72) and the outer wall of the movable baffle (73);
tail gas clean-up mechanism (10) is including straining dirt case (101), strain the right-hand member of dirt case (101) left side activity cup joint at air duct (9), strain the right-hand member activity joint of dirt case (101) inside and have strain dirt net (102), strain the top on dirt case (101) right side and be fixed to peg graft and have dredged pipe (103), strain the right side fixedly connected with purifying box (104) of dirt case (101), the left side at purifying box (104) top is also fixed to be pegged graft and is had dredged pipe (103), the top dredge the one end fixedly connected with drying cabinet (105) of pipe (103), the bottom of drying cabinet (105) respectively with the top fixed connection who strains dirt case (101) and purifying box (104), the inside activity joint of drying cabinet (105) has oblique fagging (106), the inside right side of drying cabinet (105) articulates there is ventilative board (107), strain the left top of dirt case (101) and rotate and be connected with twist lock (108), the one end overlap joint in ventilative board (107) left bottom of twist lock (108).
2. The rapid extraction and sampling device based on coal mine gas extraction according to claim 1, characterized in that: the right center of the extraction machine (1) is communicated with the inside of the gas content detector (8), and the inside of the gas content detector (8) is communicated with the inside of the tail gas purification mechanism (10) through a gas guide pipe (9).
3. The rapid extraction and sampling device based on coal mine gas extraction according to claim 1, characterized in that: the cross section of the extraction groove (6) is T-shaped, and two ends of the extraction groove (6) are communicated with the outside of the screw rod (4).
4. The rapid extraction and sampling device based on coal mine gas extraction according to claim 1, characterized in that: the left side surface of the feeler lever (71) is a circular arc surface, and the two movable baffles (73) are arranged at the left end of the feeler lever (71) in a splayed manner.
5. The rapid extraction sampling device based on coal mine gas extraction according to claim 1, characterized in that: one end of the dredging pipe (103) is fixedly sleeved in the purifying box (104), and the dredging pipe (103) is L-shaped.
6. The use method of the rapid extraction sampling device based on coal mine gas extraction according to claim 1, comprising the following steps:
s1: firstly, a circular head of a probe rod (71) is stretched into a reserved drill hole and penetrates through the reserved drill hole to stretch into a gas cavity, one end of a screw rod (4) provided with a wedge block (5) is sleeved into the probe rod (71) from the other end of the probe rod in a threaded manner, the left side of the wedge block (5) is in lap joint with the left side of the inner wall of the probe rod (71), the frustum-shaped wedge block (5) is driven by the screw rod (4) rotating in a threaded manner to rotate and move, the lug blocks (74) are jacked up, the jacked two lug blocks (74) drive two movable baffles (73) to be unfolded, and the accommodating groove (72) is opened;
s2: then clamping the male joint cylinder (2) and the female joint matrix (3), communicating an extraction groove (6) with an extraction machine (1), starting the extraction machine (1), extracting gas from a gas drill hole, conveying the gas into a gas content detector (8) for detection, and conveying the detected tail gas into a tail gas purification mechanism through a gas guide pipe (9) for purification and drying treatment;
s3: the tail gas firstly enters the interior of the dust filtering box (101), is filtered by the dust filtering net (102), is guided to the aqueous solution in the interior of the purifying box (104) by the left side conveying pipe (103), is filtered for fine particles in the aqueous solution, is guided to the interior of the drying box (105) by the right side conveying pipe (103), is dried by the desiccant placed by the inclined supporting plate (106), is discharged from the through hole in the outer wall of the air permeable plate (107), the locking state of the air permeable plate (107) can be released by rotating the twist lock (108) for 180 degrees, after the twist lock (107) is opened, the desiccant on the inclined supporting plate (106) can be replaced, the dust filtering net (102) can be drawn out from the bottom of the inner wall of the drying box (105) for cleaning, the closed turnover plate can be opened by rotating the screw hole in the bottom of the dust filtering box (101), and the dust in the interior of the dust filtering box (101) can be cleaned out, the steps can be closed, the air permeable plate (107) and the turnover plate can be closed, and the replacement can be completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110010156.8A CN112781944B (en) | 2021-01-04 | 2021-01-04 | Quick extraction sampling device based on coal mine gas extraction |
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| CN202110010156.8A CN112781944B (en) | 2021-01-04 | 2021-01-04 | Quick extraction sampling device based on coal mine gas extraction |
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| CN112781944B true CN112781944B (en) | 2023-01-31 |
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| CN114183187A (en) * | 2021-12-06 | 2022-03-15 | 中铁十七局集团第三工程有限公司 | Gas treatment equipment for gas tunnel construction |
| CN114486396A (en) * | 2021-12-23 | 2022-05-13 | 华北科技学院(中国煤矿安全技术培训中心) | Gas drainage detects leak protection device of usefulness |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989648A (en) * | 2017-12-06 | 2018-05-04 | 朱元彬 | A kind of coal mine gas drainage samples pipe connection |
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| CN209277932U (en) * | 2018-12-14 | 2019-08-20 | 李吉耀 | A kind of coal mine gas drainage device |
| CN210686047U (en) * | 2019-10-29 | 2020-06-05 | 杨德智 | Coal mine underground gas extraction device |
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| CN107989648A (en) * | 2017-12-06 | 2018-05-04 | 朱元彬 | A kind of coal mine gas drainage samples pipe connection |
| CN108339339A (en) * | 2018-03-05 | 2018-07-31 | 李明科 | A kind of indoor air purification dust-extraction unit |
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