CN113655197A - Device for measuring content of hydrogen sulfide in coal bed - Google Patents

Device for measuring content of hydrogen sulfide in coal bed Download PDF

Info

Publication number
CN113655197A
CN113655197A CN202110899649.1A CN202110899649A CN113655197A CN 113655197 A CN113655197 A CN 113655197A CN 202110899649 A CN202110899649 A CN 202110899649A CN 113655197 A CN113655197 A CN 113655197A
Authority
CN
China
Prior art keywords
fixedly connected
hydrogen sulfide
storage box
storage
box
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.)
Pending
Application number
CN202110899649.1A
Other languages
Chinese (zh)
Inventor
王海超
田继军
杨胜博
赵方钰
孙丕臣
王泽�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinjiang University
Original Assignee
Xinjiang University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xinjiang University filed Critical Xinjiang University
Priority to CN202110899649.1A priority Critical patent/CN113655197A/en
Publication of CN113655197A publication Critical patent/CN113655197A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22Fuels; Explosives
    • G01N33/222Solid fuels, e.g. coal

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to the technical field of hydrogen sulfide content measurement, in particular to a device for measuring the hydrogen sulfide content in a coal bed, which comprises a crushing box and a box cover, wherein the box cover is connected to the top of the crushing box in a threaded manner; the equipment room is provided with a storage hopper and a storage box. The gas-liquid separation device is provided with the fixed pipe, the sealing cover, the mounting plate and the filter cartridge, and the mounting plate is matched with the filter cartridge to filter the passing gas, so that dust in the gas is filtered, the situation that the content of hydrogen sulfide is influenced by the fact that the dust enters the gas outlet pipe is avoided, and the accuracy of a measuring result is improved.

Description

Device for measuring content of hydrogen sulfide in coal bed
Technical Field
The invention relates to the technical field of hydrogen sulfide content determination, in particular to a device for determining the hydrogen sulfide content in a coal bed.
Background
Along with coal mining, abnormal gushing of coal mine hydrogen sulfide becomes more and more serious. The determination of the content of the hydrogen sulfide in the coal bed is the basis for mine excavation deployment, development and extension design, research on occurrence rules of the hydrogen sulfide in the coal bed, prediction of the emission amount of the hydrogen sulfide in the coal bed, evaluation of the effect of pre-pumping the hydrogen sulfide and prevention and control of the hydrogen sulfide in the coal bed.
One existing device for measuring the content of hydrogen sulfide in a coal seam (application number: 201410220716.2) comprises a pulverizer, and during the measurement process, the pulverizer is required to pulverize a coal sample. Because the structure of the pulverizer in the existing measuring device is simpler, dust contained in gas cannot be filtered, and the accuracy of a measuring result is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device for measuring the content of hydrogen sulfide in a coal seam.
The technical scheme adopted by the invention for solving the technical problems is as follows: a device for measuring the content of hydrogen sulfide in a coal bed comprises a crushing box and a box cover in threaded connection with the top of the crushing box, wherein a controller is fixedly connected to the vertical outer wall of the crushing box, a water storage inner cavity of a U-shaped structure and an equipment chamber of a cylindrical structure are formed in the crushing box, the equipment chamber is positioned on the inner side of the water storage inner cavity, a horizontal water inlet pipe and a horizontal water outlet pipe are fixedly connected to the upper part of the outer wall of the crushing box, and the interiors of the water inlet pipe and the water outlet pipe are both communicated with the water storage inner cavity;
the equipment room is internally provided with a storage hopper and a storage box, the outer curved surface of the storage hopper is fixedly connected with a plurality of connecting frames in an annular array, one ends of the connecting frames, far away from the storage hopper, are fixedly connected with the vertical side wall of the equipment room through bolts, the bottom end of the storage hopper is fixedly connected with a discharge pipe, and the discharge pipe is provided with an electromagnetic valve;
the storage box is positioned below the storage hopper, the lower surface of the storage box is fixedly connected with a vibration motor, the bottom end of the storage box is provided with a supporting mechanism, and the storage box is connected with a crushing mechanism;
the fixed vertical inlet pipe that wears to be equipped with of case lid, the top of inlet pipe is connected with the sealing plug, in the bottom of inlet pipe extended to the storage hopper, the fixed pipe of top fixedly connected with of case lid, one side fixed connection of fixed pipe has the horizontally outlet duct, the internal connection of fixed pipe has filter equipment, the top threaded connection of fixed pipe has sealed lid.
Preferably, one end of the water inlet pipe, which is far away from the crushing tank, is fixedly connected to the water outlet end of the water cooling machine, and one end of the water outlet pipe, which is far away from the crushing tank, is fixedly connected to the water inlet end of the water cooling machine.
Preferably, in order to facilitate the use of the electromagnetic valve and the vibration motor, the controller, the electromagnetic valve and the vibration motor are respectively connected with a power supply, and the electromagnetic valve and the vibration motor are respectively in signal connection with the controller.
Preferably, in order to support the storage box, the supporting mechanism comprises four connecting columns, the four connecting columns are respectively and fixedly connected to four corners of the bottom end of the storage box, the bottom surface of the equipment room is fixedly connected with connecting pipes in one-to-one correspondence with the four connecting columns, the bottom end of each connecting column is movably inserted into the corresponding connecting pipe, and the lower surface of each connecting column is fixedly connected with the bottom surface of the equipment room through a connecting spring.
Preferably, in order to smash the coal sample, rubbing crusher constructs including the inside driving shaft and the driven shaft that rotate the setting of storage case, driving shaft and driven shaft are the level setting, the equal fixed crushing roller that has cup jointed of axis body that driving shaft and driven shaft are located storage incasement portion, the driving shaft is located the outside axis body fixedly connected with master gear of storage case, the driven shaft is located the outside axis body fixedly connected with pinion of storage case, pinion and master gear intermeshing, the bottom fixedly connected with of the vertical outer wall that the storage case is close to the master gear has the horizontally backup pad, the top fixedly connected with driving motor of backup pad, the one end fixed connection in driving motor's output that the driving shaft is located the storage incasement portion, driving motor is connected with the power, driving motor and controller signal connection.
Preferably, in order to filter the gas in the fixed pipe, the filtering device comprises a mounting plate with a cylindrical structure, the circumferential surface of the mounting plate is in threaded connection with the inner circumferential surface of the fixed pipe, a ventilation hole penetrating through the mounting plate from top to bottom is formed in the center of the mounting plate, two handles are fixedly connected to the top end of the mounting plate, and a filter cartridge is fixedly connected to the bottom end of the mounting plate.
Preferably, the ventilation hole is of a cylindrical structure, the two handles are symmetrical about the axis of the ventilation hole, and the bottom end opening of the ventilation hole is communicated with the inside of the filter cylinder.
The invention has the beneficial effects that:
1. the storage box is driven to vibrate by the vibration motor, so that hydrogen sulfide in a coal sample close to the bottom of the storage box can escape more quickly, collection of the hydrogen sulfide is facilitated, the storage box is supported by the matching of the connecting column, the connecting pipe and the connecting spring, the vibration amplitude of the storage box is larger, the escape of the hydrogen sulfide is further accelerated, and the determination of the content of the hydrogen sulfide is facilitated;
2. be provided with fixed pipe, sealed lid, mounting panel and cartridge filter, through the cooperation of mounting panel and cartridge filter, filter the gas of process, filter the dust in the gas, avoid the dust to get into in the outlet duct and influence the survey of hydrogen sulfide content, improved the accuracy of testing result.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the internal structure of the storage bin of FIG. 2 according to the present invention;
FIG. 4 is a top view of the magazine of FIG. 2 according to the present invention;
fig. 5 is a schematic structural view of the filter device in fig. 2 according to the present invention.
In the figure: 1 crushing box, 2 box covers, 3 fixed pipes, 4 sealing covers, 5 feeding pipes, 6 sealing plugs, 7 air outlet pipes, 8 water inlet pipes, 9 water outlet pipes, 10 water storage inner cavities, 11 storage hoppers, 12 discharge pipes, 13 electromagnetic valves, 14 connecting frames, 15 storage boxes, 16 vibrating motors, 17 connecting columns, 18 connecting pipes, 19 connecting springs, 20 filtering devices, 21 driving shafts, 22 driven shafts, 23 crushing rollers, 24 pinions, 25 main gears, 26 driving motors, 27 supporting plates, 28 handles, 29 mounting plates, 30 filter cartridges, 31 equipment chambers, 32 ventilation holes and 33 controllers.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the device for determining the content of hydrogen sulfide in a coal seam according to the present invention includes a crushing box 1 and a box cover 2 screwed to the top of the crushing box 1, wherein a controller 33 is fixedly connected to the vertical outer wall of the crushing box 1, a water storage inner cavity 10 of a U-shaped structure and an equipment room 31 of a cylindrical structure are formed in the crushing box 1, the equipment room 31 is located inside the water storage inner cavity 10, a horizontal water inlet pipe 8 and a horizontal water outlet pipe 9 are fixedly connected to the upper portion of the outer wall of the crushing box 1, and the insides of the water inlet pipe 8 and the water outlet pipe 9 are both communicated with the water storage inner cavity 10;
a storage hopper 11 and a storage box 15 are arranged in the equipment chamber 31, a plurality of connecting frames 14 in an annular array are fixedly connected to the outer curved surface of the storage hopper 11, one ends of the connecting frames 14, far away from the storage hopper 11, are fixedly connected with the vertical side wall of the equipment chamber 31 through bolts, a discharge pipe 12 is fixedly connected to the bottom end of the storage hopper 11, and an electromagnetic valve 13 is arranged on the discharge pipe 12;
the storage box 15 is positioned below the storage hopper 11, the lower surface of the storage box 15 is fixedly connected with a vibration motor 16, the bottom end of the storage box 15 is provided with a supporting mechanism, and the storage box 15 is connected with a crushing mechanism;
case lid 2 is fixed to wear to be equipped with vertical inlet pipe 5, and the top of inlet pipe 5 is connected with sealing plug 6, and in the bottom of inlet pipe 5 extended to storage hopper 11, the fixed pipe 3 of top fixedly connected with of case lid 2, one side fixedly connected with of fixed pipe 3 had horizontally outlet duct 7, and the internal connection of fixed pipe 3 has filter equipment 20, and the top threaded connection of fixed pipe 3 has sealed lid 4.
As a technical optimization scheme of the invention, one end of the water inlet pipe 8, which is far away from the crushing tank 1, is fixedly connected to the water outlet end of the water cooler, and one end of the water outlet pipe 9, which is far away from the crushing tank 1, is fixedly connected to the water inlet end of the water cooler.
As a technical optimization scheme of the invention, the controller 33, the electromagnetic valve 13 and the vibration motor 16 are respectively connected with a power supply, and the electromagnetic valve 13 and the vibration motor 16 are respectively connected with the controller 33 through signals.
As a technical optimization scheme of the present invention, the supporting mechanism includes four connecting columns 17, the four connecting columns 17 are respectively and fixedly connected to four corners of the bottom end of the material storage box 15, the bottom surface of the equipment chamber 31 is fixedly connected with connecting pipes 18 corresponding to the four connecting columns 17 one by one, the bottom end of each connecting column 17 is movably inserted into the corresponding connecting pipe 18, and the lower surface of each connecting column 17 is fixedly connected with the bottom surface of the equipment chamber 31 through a connecting spring 19.
As a technical optimization scheme of the invention, the crushing mechanism comprises a driving shaft 21 and a driven shaft 22 which are rotatably arranged inside a storage box 15, the driving shaft 21 and the driven shaft 22 are both horizontally arranged, the shaft bodies of the driving shaft 21 and the driven shaft 22, which are positioned inside the storage box 15, are fixedly sleeved with crushing rollers 23, the shaft body of the driving shaft 21, which is positioned outside the storage box 15, is fixedly connected with a main gear 25, the shaft body of the driven shaft 22, which is positioned outside the storage box 15, is fixedly connected with a pinion 24, the pinion 24 and the main gear 25 are mutually meshed, the bottom of the storage box 15, which is close to the vertical outer wall of the main gear 25, is fixedly connected with a horizontal supporting plate 27, the top end of the supporting plate 27 is fixedly connected with a driving motor 26, one end of the driving shaft 21, which is positioned outside the storage box 15, is fixedly connected with the output end of the driving motor 26, the driving motor 26 is connected with a power supply, and the driving motor 26 is in signal connection with a controller 33.
As a technical optimization scheme of the invention, the filtering device 20 comprises a mounting plate 29 with a cylindrical structure, the circumferential surface of the mounting plate 29 is in threaded connection with the inner circumferential surface of the fixed pipe 3, a ventilation hole 32 which penetrates through the mounting plate 29 from top to bottom is formed in the center of the mounting plate 29, two handles 28 are fixedly connected to the top end of the mounting plate 29, and a filtering cylinder 30 is fixedly connected to the bottom end of the mounting plate 29.
As a technical optimization of the present invention, the vent hole 32 is a cylindrical structure, the two handles 28 are symmetrical about the axis of the vent hole 32, and the bottom end opening of the vent hole 32 is communicated with the inside of the filter cartridge 30.
When the invention is used: taking down the sealing plug 6, pouring the prepared coal sample into the feeding pipe 5, sealing the top of the feeding pipe 5 by using the sealing plug 6, and allowing the coal sample to fall into the storage hopper 11 along the feeding pipe 5; when the coal sample needs to be crushed, starting a driving motor 26, driving the driving shaft 21 to rotate by the driving motor 26, rotating a driven shaft 22 through the transmission of a main gear 25 and a secondary gear 24, so that two crushing rollers 23 rotate, opening an electromagnetic valve 13, enabling the coal sample in the storage hopper 11 to fall between the two crushing rollers 23 through a discharge pipe 12, and crushing the coal sample through the two crushing rollers 23;
the vibration motor 16 is started, the storage box 15 is driven to vibrate by the vibration motor 16, so that hydrogen sulfide in the coal sample close to the bottom of the storage box 15 can escape more quickly, and the hydrogen sulfide is convenient to collect, wherein the storage box 15 is supported by matching of the connecting column 17, the connecting pipe 18 and the connecting spring 19, so that the vibration amplitude of the storage box 15 is larger, the escape of the hydrogen sulfide is further accelerated, and the determination of the content of the hydrogen sulfide is facilitated;
through the cooperation of mounting panel 29 and cartridge filter 30, filter the gas of process, filter the dust in the gas, avoid the dust to get into in the outlet duct 7 and influence the survey of hydrogen sulfide content, improved the accuracy of testing result.
After the measurement is finished, the box cover 2 is removed, and the worker can take out the waste coal in the storage box 15.
The invention only improves the crushing box 1, other components of the invention are the same as the prior art, and the other components of the invention and the method for measuring the content of the hydrogen sulfide in the coal seam by using the other components refer to the prior art and are not repeated herein.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a device of hydrogen sulfide content in survey coal seam, includes crushing case (1) and case lid (2) of threaded connection in crushing case (1) top, its characterized in that: the vertical outer wall of the crushing box (1) is fixedly connected with a controller (33), a water storage inner cavity (10) with a U-shaped structure and an equipment chamber (31) with a cylindrical structure are formed in the crushing box (1), the equipment chamber (31) is located on the inner side of the water storage inner cavity (10), the upper portion of the outer wall of the crushing box (1) is fixedly connected with a horizontal water inlet pipe (8) and a horizontal water outlet pipe (9), and the interiors of the water inlet pipe (8) and the water outlet pipe (9) are communicated with the water storage inner cavity (10);
a storage hopper (11) and a storage box (15) are arranged in the equipment chamber (31), a plurality of connecting frames (14) in an annular array are fixedly connected to the outer curved surface of the storage hopper (11), one ends, far away from the storage hopper (11), of the connecting frames (14) are fixedly connected with the vertical side wall of the equipment chamber (31) through bolts, a discharge pipe (12) is fixedly connected to the bottom end of the storage hopper (11), and an electromagnetic valve (13) is arranged on the discharge pipe (12);
the storage box (15) is positioned below the storage hopper (11), the lower surface of the storage box (15) is fixedly connected with a vibration motor (16), the bottom end of the storage box (15) is provided with a supporting mechanism, and the storage box (15) is connected with a crushing mechanism;
case lid (2) are fixed to be worn to be equipped with vertical inlet pipe (5), the top of inlet pipe (5) is connected with sealing plug (6), the bottom of inlet pipe (5) extends to in storage hopper (11), the fixed pipe (3) of top fixedly connected with of case lid (2), one side fixed connection of fixed pipe (3) has horizontally outlet duct (7), the internal connection of fixed pipe (3) has filter equipment (20), the top threaded connection of fixed pipe (3) has sealed lid (4).
2. The apparatus of claim 1, wherein the apparatus is configured to measure the hydrogen sulfide content of the coal seam: one end of the water inlet pipe (8) far away from the crushing box (1) is fixedly connected to the water outlet end of the water cooling machine, and one end of the water outlet pipe (9) far away from the crushing box (1) is fixedly connected to the water inlet end of the water cooling machine.
3. The apparatus of claim 1, wherein the apparatus is configured to measure the hydrogen sulfide content of the coal seam: the controller (33), the electromagnetic valve (13) and the vibration motor (16) are respectively connected with a power supply, and the electromagnetic valve (13) and the vibration motor (16) are respectively in signal connection with the controller (33).
4. The apparatus of claim 1, wherein the apparatus is configured to measure the hydrogen sulfide content of the coal seam: the supporting mechanism comprises four connecting columns (17), the four connecting columns (17) are fixedly connected to four corners of the bottom end of the material storage box (15) respectively, connecting pipes (18) which correspond to the four connecting columns (17) one to one are fixedly connected to the bottom surface of the equipment chamber (31), the bottom ends of the connecting columns (17) are movably inserted into the corresponding connecting pipes (18), and each connecting column (17) is fixedly connected to the bottom surface of the equipment chamber (31) through a connecting spring (19).
5. The apparatus of claim 1, wherein the apparatus is configured to measure the hydrogen sulfide content of the coal seam: the grinding mechanism comprises a driving shaft (21) and a driven shaft (22) which are arranged in a storage box (15) in a rotating mode, the driving shaft (21) and the driven shaft (22) are arranged horizontally, the shaft bodies of the driving shaft (21) and the driven shaft (22) which are arranged in the storage box (15) are fixedly sleeved with grinding rollers (23), the shaft bodies of the driving shaft (21) which are arranged outside the storage box (15) are fixedly connected with a main gear (25), the shaft bodies of the driven shaft (22) which are arranged outside the storage box (15) are fixedly connected with a secondary gear (24), the secondary gear (24) and the main gear (25) are meshed with each other, the bottom of the vertical outer wall of the storage box (15) close to the main gear (25) is fixedly connected with a horizontal supporting plate (27), the top end of the supporting plate (27) is fixedly connected with a driving motor (26), one end of the driving shaft (21) which is arranged outside the storage box (15) is fixedly connected with the output end of the driving motor (26), the driving motor (26) is connected with a power supply, and the driving motor (26) is in signal connection with the controller (33).
6. The apparatus of claim 1, wherein the apparatus is configured to measure the hydrogen sulfide content of the coal seam: the filtering device (20) comprises a mounting plate (29) with a cylindrical structure, the circumferential surface of the mounting plate (29) is in threaded connection with the inner circumferential surface of the fixed pipe (3), a ventilation hole (32) which penetrates through the mounting plate from top to bottom is formed in the center of the mounting plate (29), two handles (28) are fixedly connected to the top end of the mounting plate (29), and a filter cartridge (30) is fixedly connected to the bottom end of the mounting plate (29).
7. The apparatus of claim 6, wherein the apparatus is configured to determine the hydrogen sulfide content of the coal seam: the ventilation hole (32) is of a cylindrical structure, the handles (28) are symmetrical about the axis of the ventilation hole (32), and the bottom end opening of the ventilation hole (32) is communicated with the interior of the filter cartridge (30).
CN202110899649.1A 2021-08-06 2021-08-06 Device for measuring content of hydrogen sulfide in coal bed Pending CN113655197A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110899649.1A CN113655197A (en) 2021-08-06 2021-08-06 Device for measuring content of hydrogen sulfide in coal bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110899649.1A CN113655197A (en) 2021-08-06 2021-08-06 Device for measuring content of hydrogen sulfide in coal bed

Publications (1)

Publication Number Publication Date
CN113655197A true CN113655197A (en) 2021-11-16

Family

ID=78490401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110899649.1A Pending CN113655197A (en) 2021-08-06 2021-08-06 Device for measuring content of hydrogen sulfide in coal bed

Country Status (1)

Country Link
CN (1) CN113655197A (en)

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202008443U (en) * 2011-01-11 2011-10-12 北京中矿天安科技发展有限公司 Pneumatic sealing type crusher
CN202382794U (en) * 2011-12-07 2012-08-15 青岛科海矿业技术服务有限公司 Gas desorption speed and desorption amount measurement instrument in process of crushing coal sample
CN202916270U (en) * 2012-10-31 2013-05-01 北京中矿天安科技发展有限公司 Coal bed outburst-prevention gas content measuring device capable of performing underground measurement
WO2014088194A1 (en) * 2012-12-07 2014-06-12 한국지질자원연구원 System for measuring amount of residual coal bed methane
CN104007041A (en) * 2014-04-17 2014-08-27 河南理工大学 Device for determining content of hydrogen sulfide in coal bed
CN206134103U (en) * 2016-08-02 2017-04-26 河南理工大学 Coalbed gas takes out gas production grain slag separation module and plans test device
CN108169450A (en) * 2017-12-18 2018-06-15 辽宁工程技术大学 A kind of gas bearing capacity measuring device of low air permeability coal seam
CN111068838A (en) * 2019-12-26 2020-04-28 涡阳县晟丰新型建材有限公司 Waste residue recovery device is used in fly ash brick production
CN210437792U (en) * 2019-08-19 2020-05-01 河南英大重工科技股份有限公司 Anti-blocking feeding device of conveyor
CN210665191U (en) * 2019-09-16 2020-06-02 范丽 Sampling device for mine gas detection
CN111323330A (en) * 2020-04-09 2020-06-23 平安开诚智能安全装备有限责任公司 Coal seam gas analytic device
CN111450951A (en) * 2020-05-23 2020-07-28 江苏绿华生物工程有限公司 Raw materials reducing mechanism is used in deodorant production
CN211216855U (en) * 2019-11-11 2020-08-11 河北宏利节能技术开发有限公司 Pollution-free coal briquette crusher
CN212275388U (en) * 2020-05-25 2021-01-01 陕西彬长小庄矿业有限公司 Accurate measuring device of gas content
CN112525767A (en) * 2020-12-10 2021-03-19 中煤科工集团重庆研究院有限公司 Coal seam is smashed desorption gas and is prevented stifled and desorption volume automatic metering device

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202008443U (en) * 2011-01-11 2011-10-12 北京中矿天安科技发展有限公司 Pneumatic sealing type crusher
CN202382794U (en) * 2011-12-07 2012-08-15 青岛科海矿业技术服务有限公司 Gas desorption speed and desorption amount measurement instrument in process of crushing coal sample
CN202916270U (en) * 2012-10-31 2013-05-01 北京中矿天安科技发展有限公司 Coal bed outburst-prevention gas content measuring device capable of performing underground measurement
WO2014088194A1 (en) * 2012-12-07 2014-06-12 한국지질자원연구원 System for measuring amount of residual coal bed methane
CN104007041A (en) * 2014-04-17 2014-08-27 河南理工大学 Device for determining content of hydrogen sulfide in coal bed
CN206134103U (en) * 2016-08-02 2017-04-26 河南理工大学 Coalbed gas takes out gas production grain slag separation module and plans test device
CN108169450A (en) * 2017-12-18 2018-06-15 辽宁工程技术大学 A kind of gas bearing capacity measuring device of low air permeability coal seam
CN210437792U (en) * 2019-08-19 2020-05-01 河南英大重工科技股份有限公司 Anti-blocking feeding device of conveyor
CN210665191U (en) * 2019-09-16 2020-06-02 范丽 Sampling device for mine gas detection
CN211216855U (en) * 2019-11-11 2020-08-11 河北宏利节能技术开发有限公司 Pollution-free coal briquette crusher
CN111068838A (en) * 2019-12-26 2020-04-28 涡阳县晟丰新型建材有限公司 Waste residue recovery device is used in fly ash brick production
CN111323330A (en) * 2020-04-09 2020-06-23 平安开诚智能安全装备有限责任公司 Coal seam gas analytic device
CN111450951A (en) * 2020-05-23 2020-07-28 江苏绿华生物工程有限公司 Raw materials reducing mechanism is used in deodorant production
CN212275388U (en) * 2020-05-25 2021-01-01 陕西彬长小庄矿业有限公司 Accurate measuring device of gas content
CN112525767A (en) * 2020-12-10 2021-03-19 中煤科工集团重庆研究院有限公司 Coal seam is smashed desorption gas and is prevented stifled and desorption volume automatic metering device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
邓鹏;程波;杨森;彭明辉;: "煤矿井下煤层硫化氢含量测定方法的研究进展", 煤矿安全, no. 05 *
齐黎明;梁为;张旭锟;赵嵘;: "煤层残存瓦斯含量测定装置改进研究", 华北科技学院学报, no. 01 *

Similar Documents

Publication Publication Date Title
WO2018119978A1 (en) Filterable apparatus for pulverizing battery anode materials
CN113655197A (en) Device for measuring content of hydrogen sulfide in coal bed
CN114993654A (en) Drilling method shaft hobbing cutter rock breaking and slag discharging efficiency influence factor research test system
CN107855179A (en) A kind of rejecting formula disintegrating machine
CN208115943U (en) A kind of crusher of good dedusting effect
CN206543641U (en) A kind of fire retardant production compound comminutor
CN213557283U (en) A sample grinder for chemical industry detects
CN209231046U (en) A kind of oil log detection sample gas dust filtration device
CN209791628U (en) Graphite milling machine
CN111545308A (en) Environment-friendly waste recycling equipment and using method thereof
CN202008443U (en) Pneumatic sealing type crusher
CN213408961U (en) Traditional chinese medicine detects uses traditional chinese medicine rubbing crusher
CN211358994U (en) Sieving mechanism is smashed to clay for brickmaking
US3937406A (en) Agitator mill
CN209501900U (en) Grinding device is used in a kind of production of high-performance cement expansive agent
CN220959859U (en) Emulsion granular ammonium nitrate fuel oil explosive filling device convenient to control dosage
CN220371125U (en) Raw material crusher
CN207252082U (en) A kind of metallic dust detection device automatically controlled
CN211303212U (en) Tuner for chemical test
CN217431849U (en) Overflow type continuous rod mill dust collecting device for mining equipment
CN219201244U (en) Engineering soil erosion and water loss monitoring devices
CN220027112U (en) Cone crusher convenient to change welt
CN219942973U (en) Crusher capable of assisting in feeding
CN216207986U (en) Vertical double-roller bulk coal rapid sample preparation device
CN206262169U (en) A kind of pneumatic degasser and degasser

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination