CN212359839U - Ventilation device for avoiding coal mine gas overrun - Google Patents

Ventilation device for avoiding coal mine gas overrun Download PDF

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Publication number
CN212359839U
CN212359839U CN202020653497.8U CN202020653497U CN212359839U CN 212359839 U CN212359839 U CN 212359839U CN 202020653497 U CN202020653497 U CN 202020653497U CN 212359839 U CN212359839 U CN 212359839U
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China
Prior art keywords
combustible gas
box
air
gas detector
atomizer
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Expired - Fee Related
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CN202020653497.8U
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Chinese (zh)
Inventor
程强
王俊
施云峰
马桂兰
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China Coal No 3 Construction Group Co Ltd
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China Coal No 3 Construction Group Co Ltd
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Priority to CN202020653497.8U priority Critical patent/CN212359839U/en
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Abstract

The utility model discloses an avoid ventilation unit of colliery gas transfinite relates to colliery ventilation technical field. Including wind cabinet, air pipe, fire prevention valve, pneumatic valve, first combustible gas detector, first atomizing case subassembly, second combustible gas detector, second atomizing case subassembly and receive the gas cover, air pipe's one end is connected with the air inlet end of wind cabinet. This avoid ventilation unit of colliery gas transfinite, utilize the atomizer in first atomizer box subassembly and the second atomizer box subassembly to introducing through this air spraying accuse dirt, utilize spraying production and tiny particle promptly, surface tension is zero basically, spray various big or small dust particles in the air in can adsorbing the air rapidly, the desorption free gas, form effective accuse dirt, and reduce the combustible gas concentration in the air, make the gas content in the tail gas be in a safe scope, the influence that the dust caused external environment has been reduced.

Description

Ventilation device for avoiding coal mine gas overrun
Technical Field
The utility model relates to a colliery ventilation technical field specifically is a ventilation unit who avoids colliery gas to transfinite.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally excavated to an underground excavation roadway, which is the mineworker coal mine, when the distance between the coal seam and the ground surface is very close, coal is generally excavated by directly stripping a surface soil layer, which is the open pit coal mine, most coal mines in China belong to the mineworker coal mine, the coal mine is a reasonable space excavated by people when the coal-rich geological layer is excavated, generally comprises a roadway, a well cave, an excavation surface and the like, and the coal mine is generally ventilated in order to prevent the gas concentration from being overhigh in the coal mining process.
During the ventilation process of a common ventilation device, pulverized coal and other solid particles in a coal mine can be carried, the PM value in the atmosphere is increased, air around the coal mine is polluted, and the harm of gas explosion can be possibly caused by the inclusion of inflammable matters.
SUMMERY OF THE UTILITY MODEL
The utility model provides an avoid ventilation unit of colliery gas transfinite possesses the spraying and controls dirt, accuse concentration, the advantage of control, early warning effect to solve current ventilation unit and can carry buggy and other solid particulate matter in the colliery, pollute the air of colliery periphery, and mix with the problem that inflammable matter probably can cause gas explosion's harm.
For realize spraying accuse dirt, accuse concentration, the purpose of control, early warning effect, the utility model provides a following technical scheme: the utility model provides an avoid colliery gas ventilation unit that transfinites, includes wind cabinet, air pipe, fire prevention valve, pneumatic valve, first combustible gas detector, first atomizing case subassembly, second combustible gas detector, second atomizing case subassembly and receives the gas cover, air pipe's one end is connected with the air inlet end of wind cabinet, and air pipe's the other end with receive the gas cover and be connected, fire prevention valve, pneumatic valve, first combustible gas detector, first atomizing case subassembly, second combustible gas detector and second atomizing case subassembly are from right to left fixed mounting in proper order on air pipe, and first atomizing case subassembly all are linked together with air pipe.
As an optimized technical scheme of the utility model, the outside fixed mounting of wind cabinet has the fixed bolster, install the filter screen in air pipe and the wind cabinet junction.
As the utility model discloses a preferred technical scheme, first combustible gas detector and second combustible gas detector are with series of detectors, and wherein first combustible gas detector is audible-visual annunciation style.
As an optimal technical scheme of the utility model, first combustible gas detector is located behind the first atomization case subassembly, second combustible gas detector is located behind the second atomization case subassembly, the second atomization case subassembly is located before the first atomization case subassembly.
As a preferred technical scheme of the utility model, first atomizer box subassembly and second atomizer box subassembly all include box, atomizer, water tank and miniature pressure water pump, the both sides of box are connected with air pipe through the flange, atomizer installs on the interior top of box, the water tank is installed on the box, miniature pressure water pump installs on the water tank, miniature pressure water pump's output is connected with atomizer through the raceway, and miniature pressure water pump's input is connected with the water tank through the raceway.
As an optimal technical scheme of the utility model, the lower extreme of box is equipped with the collection and fights, and is equipped with input liquid level transmitter in the collection is fought, atomizer is vertical equidistance evenly distributed on the interior top of box.
Compared with the prior art, the utility model provides an avoid ventilation unit of colliery gas transfinite possesses following beneficial effect:
1. this avoid ventilation unit of colliery gas transfinite, utilize the atomizer in first atomizer box subassembly and the second atomizer box subassembly to introducing through this air spraying accuse dirt, utilize spraying production and tiny particle promptly, surface tension is zero basically, spray various big or small dust particles in the air in can adsorbing the air rapidly, the desorption free gas, form effective accuse dirt, and reduce the combustible gas concentration in the air, make the gas content in the tail gas be in a safe scope, the influence that the dust caused external environment has been reduced.
2. This avoid ventilation unit of colliery gas transfinite, the air is through spraying accuse dirt, accuse concentration back, can be in proper order through second combustible gas detector and first combustible gas detector in proper order, through carrying out continuous on-line measuring and audible-visual alarm to combustible gas in the air pipe, not only plays the monitoring effect to gas concentration, more has the early warning effect, plays the safety precaution mechanism to protection fan and protection all ring edge borders.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the first atomization box assembly of the present invention.
In the figure: 1. a wind cabinet; 2. a ventilation duct; 3. a fire damper; 4. a pneumatic valve; 5. a first combustible gas detector; 6. a first atomization tank assembly; 7. a second combustible gas detector; 8. a second atomization tank assembly; 9. a gas receiving cover; 10. fixing a bracket; 11. a filter screen; 12. a box body; 13. an atomizing spray head; 14. A water tank; 15. a micro pressurized water pump; 16. a collecting hopper; 17. input type liquid level transmitter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model discloses a ventilation device for avoiding the gas overrun in coal mine, which comprises a wind cabinet 1, a ventilating duct 2, a fire-proof valve 3, a pneumatic valve 4, a first combustible gas detector 5, a first atomizing box assembly 6, a second combustible gas detector 7, a second atomizing box assembly 8 and a gas collecting cover 9, wherein one end of the ventilating duct 2 is connected with the wind inlet end of the wind cabinet 1, and the other end of the ventilating duct 2 is connected with the gas collecting cover 9, the fire-proof valve 3, the pneumatic valve 4, the first combustible gas detector 5, the first atomizing box assembly 6, the second combustible gas detector 7 and the second atomizing box assembly 8 are sequentially and fixedly arranged on the ventilating duct 2 from right to left, after the air is sprayed, controlled in dust and concentration, the air sequentially passes through the second combustible gas detector 7 and the first combustible gas detector 5, through carrying out continuous on-line measuring and audible and visual alarm to combustible gas among air pipe 2, not only play the monitoring effect to gas concentration, more have the early warning effect, play the safety precaution mechanism, with protection fan and protection all ring edge borders, and first atomizer subassembly 6 all are linked together with air pipe 2, atomizer 13 in utilizing first atomizer subassembly 6 and the second atomizer subassembly 8 is to introducing the air spraying through this and controlling dirt, utilize spraying production and tiny particle promptly, surface tension is zero basically, spray various big or small dust particles in the air in can adsorbing rapidly in the air, the desorption free gas, form effective accuse dirt, and reduce the combustible gas concentration in the air, make the gas content in the tail gas be in a safe scope, the influence that the dust caused external environment has been reduced.
Specifically, the outside fixed mounting of wind cabinet 1 has fixed bolster 10, install filter screen 11 in ventilation pipe 2 and the 1 department of being connected of wind cabinet, wind cabinet 1 passes through fixed bolster 10 to be installed outside the tunnel or on certain wall etc. filter screen 11 can play certain filtering action, and filter screen 11 adopts but not limited to the active carbon filter screen.
Specifically, the first combustible gas detector 5 and the second combustible gas detector 7 are detectors in the same series, wherein the first combustible gas detector 5 is in an audible and visual alarm style, the first combustible gas detector 5 and the second combustible gas detector 7 are IDG100 in the same series, and the first combustible gas detector 5 not only monitors the gas concentration but also gives an early warning by performing continuous online detection and audible and visual alarm on the combustible gas in the ventilation pipeline 2.
Specifically, first combustible gas detector 5 is located behind first atomization case subassembly 6, second combustible gas detector 7 is located behind second atomization case subassembly 8, before second atomization case subassembly 8 is located first atomization case subassembly 6, the air of introducing into air pipe 2 is in proper order through second atomization case subassembly 8, second combustible gas detector 7, first atomization case subassembly 6 and 5 to the wind cabinet 1 discharges of first combustible gas detector.
Specifically, first atomizing box subassembly 6 and second atomizing box subassembly 8 all include box 12, atomizer 13, water tank 14 and miniature pressure water pump 15, the both sides of box 12 are connected with air pipe 2 through the flange, atomizer 13 is installed on the interior top of box 12, water tank 14 is installed on box 12, miniature pressure water pump 15 is installed on water tank 14, miniature pressure water pump 15's output is connected with atomizer 13 through the raceway, and miniature pressure water pump 15's input is connected with water tank 14 through the raceway, and through controlling miniature pressure water pump 15 from water tank 14 to atomizer 13 department water supply, water is through the air spraying accuse dirt of atomizer 13's conversion to introducing through this, and miniature pressure water pump 15's model is G24 ZYD.
Specifically, the lower extreme of box 12 is equipped with the collection and fights 16, and is equipped with input type liquid level transmitter 17 in the collection is fought 16, atomizer 13 is vertical equidistance evenly distributed on the interior top of box 12, and collection is fought 16 and is mainly played the effect of collecting the dropping liquid, and input type liquid level transmitter 17 is used for detecting the liquid measure of confluent liquid, and the liquid measure is too much back, can artificially clear up it, and input type liquid level transmitter 17's model is CYW 11.
The utility model discloses a theory of operation and use flow: when in use, the air introduced into the ventilation pipeline 2 is discharged to the wind cabinet 1 through the second atomizing box component 8, the second combustible gas detector 7, the first atomizing box component 6 and the first combustible gas detector 5 in sequence, in the process, the atomizing nozzles 13 in the first atomizing box component 6 and the second atomizing box component 8 are utilized to spray and control dust for the introduced air, namely, the air is sprayed into the air by utilizing fine particles generated by spraying, the surface tension is basically zero, the air can rapidly adsorb dust particles with various sizes in the air, the free gas is desorbed to form effective dust control, the combustible gas concentration in the air is reduced, the gas content in tail gas is in a safe range, after the air is sprayed, controlled dust and controlled concentration, the air can sequentially pass through the second combustible gas detector 7 and the first combustible gas detector 5 in sequence, and the combustible gas in the ventilation pipeline 2 is continuously subjected to online detection and audible and visual alarm, the gas concentration monitoring device has the advantages of monitoring the gas concentration, early warning and safety prevention mechanism.
In conclusion, the ventilation device for avoiding the coal mine gas overrun utilizes the atomizing nozzles 13 in the first atomizing box assembly 6 and the second atomizing box assembly 8 to spray and control dust for the air introduced through the atomizing nozzles, namely utilizes fine particles of the air generated by spraying, the surface tension is basically zero, the dust particles with various sizes in the air can be rapidly adsorbed when the dust particles are sprayed into the air, free gas is desorbed, effective dust control is formed, the concentration of combustible gas in the air is reduced, the gas content in tail gas is in a safe range, and the influence of the dust on the external environment is reduced; after dust and concentration of air are controlled by spraying, the air sequentially passes through the second combustible gas detector 7 and the first combustible gas detector 5, and the combustible gas in the ventilation pipeline 2 is subjected to continuous online detection and audible and visual alarm, so that the air concentration is monitored, an early warning effect is achieved, and a safety precaution mechanism is achieved to protect a fan and the surrounding environment.
It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 an avoid ventilation unit that colliery gas transfinites, includes wind cabinet (1), air pipe (2), fire prevention valve (3), pneumatic valve (4), first combustible gas detector (5), first atomizing box subassembly (6), second combustible gas detector (7), second atomizing box subassembly (8) and receive gas hood (9), its characterized in that: the one end of air pipe (2) is connected with the air inlet end of wind cabinet (1), and the other end of air pipe (2) is connected with receipts gas cover (9), fire prevention valve (3), pneumatic valve (4), first combustible gas detector (5), first atomizing box subassembly (6), second combustible gas detector (7) and second atomizing box subassembly (8) are from right to left in proper order fixed mounting on air pipe (2), and first atomizing box subassembly (6) all are linked together with air pipe (2).
2. A ventilation device for avoiding coal mine gas overrun as claimed in claim 1, wherein: the outside fixed mounting of wind cabinet (1) has fixed bolster (10), install filter screen (11) in air pipe (2) and wind cabinet (1) junction.
3. A ventilation device for avoiding coal mine gas overrun as claimed in claim 1, wherein: the first combustible gas detector (5) and the second combustible gas detector (7) are in the same series, wherein the first combustible gas detector (5) is in an acousto-optic alarm style.
4. A ventilation device for avoiding coal mine gas overrun as claimed in claim 1, wherein: the first combustible gas detector (5) is located behind the first atomization box assembly (6), the second combustible gas detector (7) is located behind the second atomization box assembly (8), and the second atomization box assembly (8) is located in front of the first atomization box assembly (6).
5. A ventilation device for avoiding coal mine gas overrun as claimed in claim 1, wherein: first atomizer subassembly (6) and second atomizer subassembly (8) all include box (12), atomizer (13), water tank (14) and miniature pressure water pump (15), the both sides of box (12) are connected with air pipe (2) through the flange, atomizer (13) are installed on the interior top of box (12), install on box (12) water tank (14), install on water tank (14) miniature pressure water pump (15), the output of miniature pressure water pump (15) is connected with atomizer (13) through the raceway, and the input of miniature pressure water pump (15) is connected with water tank (14) through the raceway.
6. A ventilation unit for avoiding coal mine gas overrun as claimed in claim 5, wherein: the lower extreme of box (12) is equipped with collection fill (16), and is equipped with input liquid level transmitter (17) in collection fill (16), atomizer (13) are vertical equidistance evenly distributed on the interior top of box (12).
CN202020653497.8U 2020-04-26 2020-04-26 Ventilation device for avoiding coal mine gas overrun Expired - Fee Related CN212359839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020653497.8U CN212359839U (en) 2020-04-26 2020-04-26 Ventilation device for avoiding coal mine gas overrun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020653497.8U CN212359839U (en) 2020-04-26 2020-04-26 Ventilation device for avoiding coal mine gas overrun

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CN212359839U true CN212359839U (en) 2021-01-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113217069A (en) * 2021-06-15 2021-08-06 云南滇东雨汪能源有限公司 Ventilation device for preventing coal mine gas from exceeding limit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113217069A (en) * 2021-06-15 2021-08-06 云南滇东雨汪能源有限公司 Ventilation device for preventing coal mine gas from exceeding limit
CN113217069B (en) * 2021-06-15 2023-12-01 云南滇东雨汪能源有限公司 Ventilation device for preventing coal mine gas from exceeding limit

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Granted publication date: 20210115