CN211316202U

CN211316202U - Extremely low concentration coal mine gas burner

Info

Publication number: CN211316202U
Application number: CN201821934575.0U
Authority: CN
Inventors: 李长兴; 李回贵; 关金锋; 辛程鹏; 陈善乐
Original assignee: Guizhou University of Engineering Science
Current assignee: Guizhou University of Engineering Science
Priority date: 2018-11-22
Filing date: 2018-11-22
Publication date: 2020-08-21
Anticipated expiration: 2028-11-22

Abstract

The utility model discloses an extremely low concentration colliery gas burner, including the combustion chamber, the combustion chamber left side is equipped with the air inlet, fixedly connected with intake pipe in the air inlet, the right side of combustion chamber is equipped with the gas outlet, fixedly connected with outlet duct in the gas outlet, the one end of outlet duct is equipped with the draught fan, the exit end of draught fan is equipped with cooling body, the draught fan is connected with the straining chamber through cooling body, be equipped with purification mechanism in the straining chamber, straining chamber one side fixedly connected with blast pipe, it detects communicating pipe to go back fixedly connected with on the straining chamber, it is connected with elastic airbag through coupling mechanism to detect communicating pipe. The utility model discloses to let in and strain indoor back through the electrostatic precipitator adsorbed layer and adsorb large granule smoke and dust in the gas, the active carbon adsorption layer adsorbs harmful gas to make the gas after the burning discharge and carry out purification treatment, environmental protection more before external.

Description

Extremely low concentration coal mine gas burner

Technical Field

The utility model relates to a colliery gas processing technology field especially relates to an extremely low concentration colliery gas combustion device.

Background

Coal mine gas refers to harmful gas mainly comprising methane in a mine, mainly comprising coal bed gas, and sometimes independently refers to methane. The gas is colorless, tasteless, odorless, combustible or explosive, is insoluble in water, and has higher diffusivity than air. The gas is non-toxic, but in high concentration, suffocation can be caused.

The prior art lets in low concentration coal mine gas and constantly keeps heat accumulation in the combustion chamber and assists the oxygenation through the air-blower and carry out combustion processing again, but the gas after traditional coal mine gas burner burning device burning is collected not and is detected direct emission to the external world, and the smoke and dust and the toxic gas that contain in the gas of emission can the polluted environment, environmental protection inadequately.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: however, the gas burned by the traditional coal mine gas combustion device is not collected and detected and is directly discharged to the outside, and the smoke dust and toxic gas contained in the discharged gas can pollute the environment and are not environment-friendly enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an extremely low concentration colliery gas burner, includes the combustion chamber, the combustion chamber left side is equipped with the air inlet, fixedly connected with intake pipe in the air inlet, the right side of combustion chamber is equipped with the gas outlet, fixedly connected with outlet duct in the gas outlet, the one end of outlet duct is equipped with the draught fan, the exit end of draught fan is equipped with cooling body, the draught fan is connected with the straining chamber through cooling body, be equipped with purification mechanism in the straining chamber, straining chamber one side fixedly connected with blast pipe, it detects communicating pipe still to fixedly connected with on the straining chamber, it is connected with elastic airbag through coupling mechanism to detect communicating pipe.

Preferably, cooling body includes the cooling tube, the one end fixed connection of cooling tube is served at the air-out of draught fan, the other end switch-on of cooling tube is on straining the room, be equipped with the spiral tubular metal resonator in the cooling tube, the cooling tube setting is run through at spiral tubular metal resonator both ends.

Preferably, the purification mechanism includes electrostatic precipitator adsorbed layer and active carbon adsorption layer, the equal fixed connection of electrostatic precipitator adsorbed layer and active carbon adsorption layer is on the inner wall of straining the room, the electrostatic precipitator adsorbed layer is located the active carbon adsorption layer upside.

Preferably, coupling mechanism includes fixed fender ring and connecting pipe, fixed fender ring fixed connection is in detecting the communicating pipe, elasticity gasbag fixed connection is in the one end of connecting pipe, connecting pipe threaded connection is in detecting the communicating pipe, be equipped with the sealing ring between connecting pipe and the fixed fender ring.

Preferably, the exhaust pipe and the detection communicating pipe are both led into the filter chamber, a first control valve is arranged on the exhaust pipe, and a second control valve is arranged on the detection communicating pipe.

Preferably, a first filter screen is fixedly connected in the air inlet, and a second filter screen is fixedly connected in the air outlet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. continuously let in cold water toward in the spiral metal tube, open first control valve after, thereby the gas after will burning through the draught fan lets in the cooling tube and carries out direct contact in the spiral metal tube and cool down the processing to gas, then let in filter chamber in back through the electrostatic precipitator adsorbed layer adsorb large granule smoke and dust in the gas, the active carbon adsorbed layer adsorbs harmful gas to make the gas after the burning discharge outside and carry out purification treatment, environmental protection more before going on.

2. The staff can also be through opening the second control valve for gas through purification treatment passes through in detecting communicating pipe, connecting pipe in proper order and lets in the elasticity gasbag and effectively collects, closes the second control valve after collecting a certain amount, thereby can sample exhaust gas and be used for the later stage to detect, then is used for judging whether exhaust gas is up to standard.

Drawings

Fig. 1 is a schematic front structural view of a very low concentration coal mine gas combustion device provided by the present invention;

fig. 2 is an enlarged schematic view of a point a in fig. 1.

In the figure: 1-combustion chamber, 2-air inlet pipe, 3-first filter screen, 4-second filter screen, 5-air outlet pipe, 6-induced draft fan, 7-cooling pipe, 8-spiral metal pipe, 9-filtering chamber, 10-electrostatic dust removal adsorption layer, 11-activated carbon adsorption layer, 12-exhaust pipe, 13-first control valve, 14-elastic air bag, 15-second control valve, 16-fixed baffle ring, 17-sealing retainer ring, 18-connecting pipe and 19-detection communicating pipe.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a coal mine gas combustion device with extremely low concentration comprises a combustion chamber 1, an air inlet is arranged on the left side of the combustion chamber 1, an air inlet pipe 2 is fixedly connected in the air inlet, an air outlet is arranged on the right side of the combustion chamber 1, an air outlet pipe 5 is fixedly connected in the air outlet, a first filter screen 3 is fixedly connected in the air inlet, a second filter screen 4 is fixedly connected in the air outlet, the gas is filtered by the first filter screen 3 entering the combustion chamber 1, the gas exhausted from the combustion chamber 1 is filtered by the second filter screen 4, an induced draft fan 6 is arranged at one end of the air outlet pipe 5, a cooling mechanism is arranged at the outlet end of the induced draft fan 6, the cooling mechanism comprises a cooling pipe 7, one end of the cooling pipe 7 is fixedly connected to the air outlet end of the induced draft fan 6, the other end of the cooling pipe 7 is communicated with a filtering chamber, spiral metal pipe 8 and cooling tube 7 run through handing-over mouth department and carry out sealing process, continuously let in cold water in the spiral metal pipe 8, open first control valve 13 after, thereby carry out direct contact to gas in the gas after will burning lets in cooling tube 7 through draught fan 6 and carries out the cooling process in the spiral metal pipe 8, increase gaseous area of contact with spiral metal pipe 8 through this kind of spiral design.

Draught fan 6 is connected with straining room 9 through cooling body, be equipped with in straining room 9 and purify the mechanism, it includes electrostatic precipitator adsorbed layer 10 and active carbon adsorption layer 11 to purify the mechanism, electrostatic precipitator adsorbed layer 10 and the equal fixed connection of active carbon adsorption layer 11 are on straining room 9's inner wall, electrostatic precipitator adsorbed layer 10 is located 11 upsides of active carbon adsorption layer, after gas lets in straining room 9 in the large granule smoke and dust adsorb in the gas through electrostatic precipitator adsorbed layer 10, active carbon adsorption layer 11 adsorbs harmful gas, thereby make the gas after the burning discharge and carry out purification treatment before the external world.

An exhaust pipe 12 is fixedly connected to one side of the filtration chamber 9, a detection communicating pipe 19 is also fixedly connected to the filtration chamber 9, the detection communicating pipe 19 is connected with an elastic air bag 14 through a connecting mechanism, the connecting mechanism comprises a fixed baffle ring 16 and a connecting pipe 18, the fixed baffle ring 16 is fixedly connected in the detection communicating pipe 19, the elastic air bag 14 is fixedly connected to one end of the connecting pipe 18, the connecting pipe 18 is in threaded connection in the detection communicating pipe 19, a sealing check ring 17 is arranged between the connecting pipe 18 and the fixed baffle ring 16, the sealing performance is ensured through the sealing check ring 17, the exhaust pipe 12 and the detection communicating pipe 19 are both introduced into the filtration chamber 9, a first control valve 13 is arranged on the exhaust pipe 12, a second control valve 15 is arranged on the detection communicating pipe 19, the second control valve 15 is opened, so that purified gas sequentially passes through the detection communicating pipe 19 and, the second control valve 15 is closed after a certain amount is collected, so that the exhaust gas can be sampled and detected at a later stage.

In the utility model, when the user uses the device, continuously introduce cold water into the spiral metal tube 8, after the first control valve 13 is opened, the gas after burning is introduced into the cooling tube 7 through the draught fan 6 to be directly contacted with the spiral metal tube 8 so as to cool the gas, then the gas is introduced into the filtering chamber 9 and then the large-particle smoke dust in the gas is adsorbed through the electrostatic dust removal adsorption layer 10, the active carbon adsorption layer 11 adsorbs harmful gas, thereby the gas after burning is purified before being discharged to the outside, which is more environment-friendly, the worker can also open the second control valve 15, the gas after purification treatment sequentially passes through the detection communicating tube 19 and the connecting tube 18 to be effectively collected in the elastic air bag 14, the second control valve 15 is closed after collecting a certain amount, thereby the discharged gas can be sampled for later-stage detection, and then used for judging whether the exhaust gas reaches the standard.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an extremely low concentration colliery gas burner, includes combustion chamber (1), its characterized in that, combustion chamber (1) left side is equipped with the air inlet, fixedly connected with intake pipe (2) in the air inlet, the right side of combustion chamber (1) is equipped with the gas outlet, fixedly connected with outlet duct (5) in the gas outlet, the one end of outlet duct (5) is equipped with draught fan (6), the exit end of draught fan (6) is equipped with cooling body, draught fan (6) are connected with straining chamber (9) through cooling body, be equipped with purification mechanism in straining chamber (9), straining chamber (9) one side fixedly connected with blast pipe (12), it detects communicating pipe (19) to go back fixedly connected with on straining chamber (9), it is connected with elasticity gasbag (14) through coupling mechanism to detect communicating pipe (19).

2. The coal mine gas combustion device with the extremely low concentration as claimed in claim 1, wherein the cooling mechanism comprises a cooling pipe (7), one end of the cooling pipe (7) is fixedly connected to the air outlet end of the induced draft fan (6), the other end of the cooling pipe (7) is communicated with the filtration chamber (9), a spiral metal pipe (8) is arranged in the cooling pipe (7), and two ends of the spiral metal pipe (8) penetrate through the cooling pipe (7).

3. The gas combustion device for the extremely low concentration coal mine according to claim 1, wherein the purification mechanism comprises an electrostatic dust removal adsorption layer (10) and an activated carbon adsorption layer (11), the electrostatic dust removal adsorption layer (10) and the activated carbon adsorption layer (11) are both fixedly connected to the inner wall of the filtration chamber (9), and the electrostatic dust removal adsorption layer (10) is positioned on the upper side of the activated carbon adsorption layer (11).

4. The gas burner for the extremely low concentration coal mine according to claim 1, wherein the connecting mechanism comprises a fixed baffle ring (16) and a connecting pipe (18), the fixed baffle ring (16) is fixedly connected in the detection communicating pipe (19), the elastic air bag (14) is fixedly connected at one end of the connecting pipe (18), the connecting pipe (18) is in threaded connection in the detection communicating pipe (19), and a sealing check ring (17) is arranged between the connecting pipe (18) and the fixed baffle ring (16).

5. The coal mine gas combustion device with the extremely low concentration as set forth in claim 1, wherein the exhaust pipe (12) and the detection communicating pipe (19) are both led into the filtration chamber (9), the exhaust pipe (12) is provided with a first control valve (13), and the detection communicating pipe (19) is provided with a second control valve (15).

6. The gas burner for the coal mine with the extremely low concentration as set forth in claim 1, wherein a first filter (3) is fixedly connected to the inside of the air inlet, and a second filter (4) is fixedly connected to the inside of the air outlet.