CN109945189B - Low-concentration gas pulsation burner with improved main pipe - Google Patents
Low-concentration gas pulsation burner with improved main pipe Download PDFInfo
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- CN109945189B CN109945189B CN201910213525.6A CN201910213525A CN109945189B CN 109945189 B CN109945189 B CN 109945189B CN 201910213525 A CN201910213525 A CN 201910213525A CN 109945189 B CN109945189 B CN 109945189B
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- 230000010349 pulsation Effects 0.000 title claims abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 192
- 238000002485 combustion reaction Methods 0.000 claims abstract description 76
- 239000000779 smoke Substances 0.000 claims abstract description 6
- 238000009825 accumulation Methods 0.000 claims description 25
- 239000007789 gas Substances 0.000 description 104
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a low-concentration gas pulsation burner with an improved main pipe, which comprises a gas burner, wherein the gas burner is of a columnar cylinder structure, an inner cavity of the gas burner is a columnar combustion chamber, and two ends of the combustion chamber are respectively provided with a low-concentration gas inlet and a smoke exhaust outlet; the invention has simple structure, increases the enrichment structure, and periodically supplies pure methane to the combustion chamber in a state of relatively low gas concentration, thereby enriching the combustion chamber and solving the problem that the concentration is too low to continuously burn.
Description
Technical Field
The invention belongs to the field of gas combustion.
Background
Pulse combustion is a special combustion mode, and is not deflagration or abnormal combustion but is in between. The acoustic pulsation generated by the combustion device is stimulated under certain conditions to achieve certain acoustic-thermal coupling with the thermal pulsation generated in the combustion process, so that periodic pulsation combustion can be generated. The state parameters representing combustion characteristics such as pressure, temperature, heat release rate and the like in the combustion process periodically change along with time, and the method has the advantages of high combustion efficiency, larger heat transfer coefficient, smaller pollution discharge and self-priming supercharging, and can effectively treat the combustion of low-concentration gas by using a pulse combustion technology;
because the concentration of the gas source is not a stable value, the low concentration gas pressed into the combustion chamber from the main pipe may have a problem that the concentration of methane is too low, and even in the case of pulsating gas supply of the combustion chamber, the combustion chamber cannot be ignited smoothly or the continuity of combustion in a plurality of pulsation cycles cannot be maintained.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the low-concentration gas pulsation burner with the improved main pipe, which can enrich the combustion chamber under the condition of low concentration of methane in gas.
The technical scheme is as follows: in order to achieve the above purpose, the low-concentration gas pulsation burner with the improved main pipe comprises a gas burner, wherein the gas burner is of a columnar cylinder structure, an inner cavity of the gas burner is a columnar combustion chamber, and two ends of the combustion chamber are respectively provided with a low-concentration gas inlet and a smoke exhaust outlet; an annular methane enrichment box body is integrally arranged on the outer side of the gas burner, and an annular pure methane pressure accumulation cavity is arranged in the annular methane enrichment box body; an annular methane enrichment cavity layer is also arranged between the pure methane pressure accumulation cavity and the combustion chamber in a coaxial way; the pure methane pressure accumulation cavity and the methane enrichment cavity layer are separated by a first annular wall, and a second annular wall is separated between the methane enrichment cavity layer and the combustion chamber; a plurality of methane enrichment holes are uniformly distributed on two sides of the second annular wall in a circumferential array along the axis, and each methane enrichment hole is used for communicating the methane enrichment cavity layer with the combustion chamber;
the inner end of each first air guide channel is communicated with the pure methane pressure accumulation cavity, the inner end of each second air guide channel can synchronously rotate along with the annular flange to be respectively aligned and communicated with the outer ends of the first air guide channels; the device also comprises a pure methane pressurizing supply pipe, and the air outlet end of the pure methane pressurizing supply pipe is communicated with the pure methane pressure accumulation cavity.
Further, a check valve for preventing the reverse flow of the gas is arranged in each first gas guide channel, and the check valve can prevent the gas in the methane enrichment cavity layer from flowing back into the pure methane pressure accumulation cavity through the first gas guide channels; two bearings are symmetrically and rotatably arranged on two sides of the annular flange of the inner ring of the rotary gas distribution ring body; the outer ring of the rotary gas distribution ring body is provided with a circle of tooth body, the pure methane pressure accumulation cavity is fixedly provided with a motor, an output gear is synchronously connected to an output shaft of the motor, the output gear is in meshed connection with the circle of tooth body on the rotary gas distribution ring body, and the motor drives the rotary gas distribution ring body to rotate along the axis through the output gear.
Further, the gas combustion device further comprises a long columnar gas distribution box, wherein one side of the gas distribution box is vertically communicated with low-concentration gas inlets of the five gas burners respectively, and one side of the gas distribution box, which is far away from the five gas burners, is vertically communicated with a low-concentration pulsating gas supply pipe; the five gas burners are distributed in an array along the length direction of the gas distribution box, and the outlet of the low-concentration pulsation gas supply pipe is not aligned with the gas inlet of any gas burner.
The beneficial effects are that: the invention has simple structure, increases the enrichment structure, and periodically supplies pure methane to the combustion chamber in a state of relatively low gas concentration, thereby enriching the combustion chamber and solving the problem that the concentration is too low to continuously burn.
Drawings
FIG. 1 is a modified burner assembly;
FIG. 2 is a CFD analysis velocity cloud of the modified burner assembly;
FIG. 3 is a CFD analysis local vector velocity cloud of a gas burner;
FIG. 4 is a schematic diagram of the structure of the tank after the armoured alkane is added to the burner;
FIG. 5 is a first perspective cross-sectional view of FIG. 4;
FIG. 6 is a second perspective cross-sectional view of FIG. 4;
FIG. 7 is a third perspective cross-sectional view of FIG. 4;
fig. 8 is a schematic diagram of a rotary valve train body structure.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The low-concentration gas pulsation burner with the improved main pipe as shown in the accompanying drawings 1 to 8 comprises a gas burner 10, wherein the gas burner 10 is of a columnar cylinder structure, an inner cavity of the gas burner 10 is a columnar combustion chamber 12, and two ends of the combustion chamber 12 are respectively provided with a low-concentration gas inlet and a smoke exhaust outlet; an annular methane enrichment box 18 is integrally arranged on the outer side of the gas burner 10, and an annular pure methane pressure accumulation cavity 2 is arranged in the annular methane enrichment box 18; an annular methane enrichment cavity layer 7 is also arranged between the pure methane pressure accumulation cavity 2 and the combustion chamber 12 in a coaxial way; the pure methane pressure accumulation cavity 2 and the methane enrichment cavity layer 7 are separated by a first annular wall 1, and a second annular wall 9 is arranged between the methane enrichment cavity layer 7 and the combustion chamber 12; a plurality of methane enrichment holes 11 are uniformly distributed on two sides of the second annular wall 9 in a circumferential array along the axis, and each methane enrichment hole 11 is used for communicating the methane enrichment cavity layer 7 with the combustion chamber 12;
a plurality of first air guide channels 14 are distributed on the first annular wall 1 in a circumferential array, the inner ends of the first air guide channels 14 are communicated with the methane enrichment cavity layer 7, the pure methane pressure accumulation cavity 2 further comprises a rotary air distribution ring body 6, the rotary air distribution ring body 6 is rotatably sleeved on the outer side of the first annular wall 1, the middle part of the inner ring of the rotary air distribution ring body 6 is integrally and coaxially provided with an annular flange 21, the outer ends of the first air guide channels 14 are blocked by the inner wall of the annular flange 21, a plurality of second air guide channels 17 are distributed on the annular flange 21 in a circumferential array, the outer ends of the second air guide channels 17 are communicated with the pure methane pressure accumulation cavity 2, and the inner ends of the second air guide channels 17 can synchronously rotate along with the annular flange 21 to be respectively aligned with the outer ends of the first air guide channels 14; the device also comprises a pure methane pressurizing supply pipe 8, wherein the air outlet end of the pure methane pressurizing supply pipe 8 is communicated with the pure methane pressure accumulation cavity 2.
A check valve 13 for preventing the reverse flow of gas is arranged in each first gas guide channel 14, and the check valve 13 can prevent the gas in the methane enrichment cavity layer 7 from flowing back into the pure methane pressure accumulation cavity 2 through the first gas guide channels 14; two bearings 16 are symmetrically and rotatably arranged on two sides of an annular flange 21 of the inner ring of the rotary gas distribution ring body 6; the outer ring of the rotary gas distribution ring body 6 is provided with a circle of tooth bodies 25, the pure methane pressure accumulation cavity 2 is fixedly provided with a motor 5, an output gear 3 is synchronously connected to an output shaft 4 of the motor 5, the output gear 3 is in meshed connection with the circle of tooth bodies 25 on the rotary gas distribution ring body 6, and the motor 5 drives the rotary gas distribution ring body 6 to rotate along the axis through the output gear 3.
The gas combustion device further comprises a long columnar gas distribution box 91, wherein one side of the gas distribution box 91 is respectively and vertically communicated with the low-concentration gas inlets of the five gas burners 10, and one side of the gas distribution box 91, which is far away from the five gas burners 10, is vertically communicated with a low-concentration pulsating gas supply pipe 90; the five gas burners 10 are arranged in an array along the length direction of the gas distribution box 91, and the outlets of the low concentration pulsating gas supply pipes 90 are not aligned with the gas inlet of any one gas burner 10.
The pulse combustion method in the enrichment process comprises the following steps:
the gas source is a mixed gas containing CH4, O2, N2 and CO2, wherein the concentration of O2 is enough for the combustion reaction of CH 4:
when the concentration of CH4 in the gas source exceeds 4%, the combustion chamber 22 is not required to be enriched with CH 4; at this time, the pure methane pressurizing supply pipe 8 does not supply pure methane into the pure methane pressure accumulation cavity 2; the check valve 13 can prevent the gas in the methane enrichment cavity layer 7 from flowing back into the pure methane pressure accumulation cavity 2 through the first gas guide channels 14; then continuously supplying the gas into the gas diversion box 91 in a pulse period mode through the low-concentration pulse gas supply pipe 90 under the action of the gas pump; further, a continuous pulsating air pressure is formed in the gas diversion box 91, and then the gas in the gas diversion box 91 is injected into the combustion chamber 12 of each gas burner 10 in a pulsating cycle; after the gas in the combustion chamber 12 is ignited by the ignition device, continuous pulsating flame is formed in the combustion chamber 12, and then high-temperature tail gas generated by combustion in the combustion chamber 12 is continuously ejected in the form of tail flame through the smoke discharging end of the combustion chamber 12, and then the tail flame ejected by each exhaust straight pipe 20 heats the heat utilization equipment; thereby realizing the utilization of the gas;
when the CH4 concentration in the gas source is less than 4%, continuously supplying gas into the gas diversion box 91 in a pulse period mode through the low-concentration pulse gas supply pipe 90 under the action of the gas pump; further, a continuous pulsating air pressure is formed in the gas diversion box 91, and then the gas in the gas diversion box 91 is injected into the combustion chamber 12 of each gas burner 10 in a pulsating cycle; because the concentration of CH4 in the gas ejected through the gas guide holes 77 is less than 4%, the combustion chamber 12 cannot be smoothly ignited or the continuity of combustion in a plurality of pulse cycles cannot be maintained, and the CH4 needs to be enriched in the combustion chamber 12; at this time, the pure methane pressurizing supply pipe 8 presses pure methane into the pure methane pressure accumulating cavity 2, the pure methane pressurizing supply pipe 8 continuously maintains the air pressure in the pure methane pressure accumulating cavity 2, the air pressure in the pure methane pressure accumulating cavity 2 is always higher than the air pressure in the combustion chamber 12, at this time, the motor 5 is started, and then the motor 5 drives the rotary distributing ring body 6 to rotate along the axis through the output gear 3, and then the annular flange 21 synchronously rotates along with the rotary distributing ring body 6, the periodic rotation of the annular flange 21 enables the inner ends of the second air guide channels 17 to periodically rotate to be aligned and communicated with the outer ends of the first air guide channels 14, and then the pure methane pressure accumulating cavity 2 and the methane enriching cavity layer 7 are periodically communicated with each other, and then the methane in the pure methane pressure accumulating cavity 2 is periodically injected into the methane enriching cavity layer 7 through the first air guide channels 14, and then the pure CH4 is periodically injected into the methane enriching cavity layer 7 through the first air guide channels 14, and then the CH4 pulsating air pressure in the methane enriching cavity layer 7 is formed into the combustion chamber through the rotary distributing ring body 7, and the CH4 pulsating air in the methane enriching cavity layer 7 is periodically compressed into the combustion chamber 12 through the plurality of the methane enriching holes 11, and the gas is periodically controlled by the rotary distributing ring body 6, and the periodic rotation speed is periodically controlled between the methane enriching the methane and the methane in the methane pressure accumulating cavity 7 and the methane cavity 7 is periodically communicated with the methane gas in the combustion cavity through the combustion chamber; so as to realize the gas enrichment of each pulse combustion period in the combustion chamber 12 and ensure the continuous pulse combustion of the combustion chamber 12; the high-temperature tail gas generated by combustion in the combustion chamber 12 is continuously ejected in the form of tail flame through the smoke exhaust end of the combustion chamber 12, and the tail flame ejected by each exhaust straight pipe 20 heats the heat utilization equipment; thereby realizing the utilization of the gas; meanwhile, pure methane gas in the methane enrichment cavity layer 7 can absorb heat generated after combustion in the combustion chamber 12 through the second annular wall 9, so that a plurality of methane enrichment holes 11 spray preheated pure CH4 into the combustion chamber 12, and the combustion efficiency in the combustion chamber 12 is effectively improved.
The structural rationality and technical progress of the burner are verified by adopting a CFD numerical simulation method:
numerical simulation under the grid was done using ANSYS fluent16.0, first checking the grid to ensure that its grid area and volume do not have negative values, regardless of gravity effects.
In the model, the flow process is set to be steady-state flow based on pressure, meanwhile, since the flow condition of low-concentration gas is mainly concerned, the flow field distribution of the fluid in the burner pipeline is calculated by adopting a multi-component model numerical value on the premise that the fluid is a mixed gas of CH4 and air.
Model setting: energy equation, standard turbulence equation, component transport equation;
the material setting: the fluid is methane-air, and the solid wall surface is default aluminum;
boundary condition setting: inlet boundary conditions: a speed inlet for setting the supply speed of the low-concentration pulsating gas supply section 90 to 1.5m/s; outlet boundary conditions: the exhaust outlet of the combustion chamber 12 is an atmospheric pressure outlet; turbulence index: turbulence intensity + hydraulic diameter;
temperature: 300K;
the components are as follows: 4% ch4, 19.74% o2, 2.82% co2, 73.44% n2;
the solving method comprises the following steps: SIMPLE single precision, the gradient adopts a least square method based on grids, the pressure adopts second-order windward, the momentum adopts first-order windward, the turbulent kinetic energy adopts first-order windward, and the turbulent dissipation rate adopts first-order windward;
residual monitoring: all parameter convergence accuracy was set to 0.001;
iteration step length: 1000;
initializing, and converging each index to the set precision in the 324 th step in the operation process;
the overall velocity cloud diagram of the burner obtained after the simulation is finished is shown in fig. 2, the velocity cloud diagram can show that the outlet of the low-concentration pulsation gas supply pipe 90 is not aligned with the structural gas inlet of any gas burner 10 to obtain a better velocity field, the CFD analysis of the gas burner is shown in fig. 3, and a local vector velocity cloud diagram shows that a backflow area is generated in the combustion chamber 12, high-temperature flue gas is continuously generated along with the combustion, and is sucked to the root of a flame along with the backflow phenomenon to carry out heat transfer with the newly-fed fuel gas, the effect of the backflow area is more obvious in the initial ignition period, the flow velocity of the high-temperature flue gas is increased from the beginning of backflow to the root of the burner, the backflow flue gas is mixed with medium in the main flow during the period, high-efficiency momentum transmission is carried out, the new and old fuel gas in the backflow area is promoted to be mixed with each other, and the temperature distribution in the combustion chamber is further more uniform; part of unburned fuel gas flowing back to the root of the combustion chamber along with high-temperature flue gas can be re-combusted with the new fuel gas at the root, and the method plays an important role in complete combustion of the fuel gas.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (2)
1. The utility model provides a low concentration gas pulsation combustor of improvement main pipe which characterized in that: the gas burner comprises a gas burner (10), wherein the gas burner (10) is of a columnar cylinder structure, an inner cavity of the gas burner (10) is a columnar combustion chamber (12), and two ends of the combustion chamber (12) are respectively provided with a low-concentration gas inlet and a smoke exhaust outlet; an annular methane enrichment box body (18) is integrally arranged on the outer side of the gas burner (10), and an annular pure methane pressure accumulation cavity (2) is arranged in the annular methane enrichment box body (18); an annular methane enrichment cavity layer (7) is also coaxially arranged between the pure methane pressure accumulation cavity (2) and the combustion chamber (12); the pure methane pressure accumulation cavity (2) is separated from the methane enrichment cavity layer (7) by a first annular wall (1), and a second annular wall (9) is separated between the methane enrichment cavity layer (7) and the combustion chamber (12); a plurality of methane enrichment holes (11) are uniformly distributed on two sides of the second annular wall (9) in a circumferential array along the axis, and the methane enrichment holes (11) are used for communicating the methane enrichment cavity layer (7) with the combustion chamber (12);
a plurality of first air guide channels (14) are distributed on the first annular wall (1) in a circumferential array, the inner ends of the first air guide channels (14) are all communicated with the methane enrichment cavity layer (7), the pure methane pressure accumulation cavity (2) further comprises a rotary air distribution ring body (6), the rotary air distribution ring body (6) is rotationally sleeved on the outer side of the first annular wall (1), an annular flange (21) is integrally and coaxially arranged in the middle of the inner ring of the rotary air distribution ring body (6), the outer ends of the first air guide channels (14) are blocked by the inner wall of the annular flange (21), a plurality of second air guide channels (17) are distributed on the annular flange (21) in a circumferential array, the outer ends of the second air guide channels (17) are all communicated with the pure methane pressure accumulation cavity (2), and the inner ends of the second air guide channels (17) can synchronously rotate along with the annular flange (21) to be respectively aligned with the outer ends of the first air guide channels (14); the device also comprises a pure methane pressurizing supply pipe (8), wherein the air outlet end of the pure methane pressurizing supply pipe (8) is communicated with the pure methane pressure accumulation cavity (2);
a check valve (13) for preventing the gas from flowing back is arranged in each first gas guide channel (14), and the check valve (13) can prevent the gas in the methane enrichment cavity layer (7) from flowing back into the pure methane pressure accumulation cavity (2) through the first gas guide channels (14); two bearings (16) are symmetrically and rotationally arranged on two sides of an annular flange (21) of the inner ring of the rotary gas distribution ring body (6); the outer ring of the rotary gas distribution ring body (6) is provided with a circle of tooth bodies (25), the pure methane pressure accumulation cavity (2) is fixedly provided with a motor (5), an output shaft (4) of the motor (5) is synchronously connected with an output gear (3), the output gear (3) is meshed and connected with the circle of tooth bodies (25) on the rotary gas distribution ring body (6), and the motor (5) drives the rotary gas distribution ring body (6) to rotate along the axis through the output gear (3);
the gas combustion device is characterized by further comprising a long columnar gas distribution box (91), wherein one side of the gas distribution box (91) is respectively and vertically communicated with five low-concentration gas inlets of the gas burners (10), and one side, far away from the five gas burners (10), of the gas distribution box (91) is vertically communicated with a low-concentration pulsating gas supply pipe (90).
2. The improved main pipe low-concentration gas pulse combustor as defined in claim 1, wherein: five gas burners (10) are distributed in an array along the length direction of the gas distribution box (91), and the outlet of the low-concentration pulsating gas supply pipe (90) is not aligned with the air inlet of any gas burner (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213525.6A CN109945189B (en) | 2019-03-20 | 2019-03-20 | Low-concentration gas pulsation burner with improved main pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213525.6A CN109945189B (en) | 2019-03-20 | 2019-03-20 | Low-concentration gas pulsation burner with improved main pipe |
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| Publication Number | Publication Date |
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| CN109945189A CN109945189A (en) | 2019-06-28 |
| CN109945189B true CN109945189B (en) | 2023-09-05 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE665686A (en) * | 1964-06-22 | 1965-10-18 | ||
| CN1332836A (en) * | 1998-12-30 | 2002-01-23 | 国际壳牌研究有限公司 | Pulsed combustion device and method using the same |
| CN101329067A (en) * | 2008-06-26 | 2008-12-24 | 胜利油田胜利动力机械集团有限公司 | Coal mine mash gas incineration torch |
| CN103278599A (en) * | 2013-03-25 | 2013-09-04 | 广东电网公司电力科学研究院 | Low-density gas burner, burning test system and controlling method thereof |
| WO2014006969A1 (en) * | 2012-07-02 | 2014-01-09 | 株式会社Ihi | Burner |
| CN104141952A (en) * | 2014-07-30 | 2014-11-12 | 北京矿大节能科技有限公司 | Extremely low concentration coal mine gas combustion device and method |
| WO2015074490A1 (en) * | 2013-11-21 | 2015-05-28 | 中国矿业大学 | Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mine |
| CN104949122A (en) * | 2015-06-12 | 2015-09-30 | 贵州盘江煤层气开发利用有限责任公司 | Oxygen-enriched gas pulsating combustion device |
| CN207455574U (en) * | 2017-10-17 | 2018-06-05 | 贵州盘江煤层气开发利用有限责任公司 | A kind of adjustable pulse combustion device of tail pipe |
| CN208067729U (en) * | 2018-03-14 | 2018-11-09 | 贵州盘江煤层气开发利用有限责任公司 | A kind of rapid dismounting apparatus for array pulsating combusting device |
-
2019
- 2019-03-20 CN CN201910213525.6A patent/CN109945189B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE665686A (en) * | 1964-06-22 | 1965-10-18 | ||
| CN1332836A (en) * | 1998-12-30 | 2002-01-23 | 国际壳牌研究有限公司 | Pulsed combustion device and method using the same |
| CN101329067A (en) * | 2008-06-26 | 2008-12-24 | 胜利油田胜利动力机械集团有限公司 | Coal mine mash gas incineration torch |
| WO2014006969A1 (en) * | 2012-07-02 | 2014-01-09 | 株式会社Ihi | Burner |
| CN103278599A (en) * | 2013-03-25 | 2013-09-04 | 广东电网公司电力科学研究院 | Low-density gas burner, burning test system and controlling method thereof |
| WO2015074490A1 (en) * | 2013-11-21 | 2015-05-28 | 中国矿业大学 | Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mine |
| CN104141952A (en) * | 2014-07-30 | 2014-11-12 | 北京矿大节能科技有限公司 | Extremely low concentration coal mine gas combustion device and method |
| CN104949122A (en) * | 2015-06-12 | 2015-09-30 | 贵州盘江煤层气开发利用有限责任公司 | Oxygen-enriched gas pulsating combustion device |
| CN207455574U (en) * | 2017-10-17 | 2018-06-05 | 贵州盘江煤层气开发利用有限责任公司 | A kind of adjustable pulse combustion device of tail pipe |
| CN208067729U (en) * | 2018-03-14 | 2018-11-09 | 贵州盘江煤层气开发利用有限责任公司 | A kind of rapid dismounting apparatus for array pulsating combusting device |
Non-Patent Citations (1)
| Title |
|---|
| 低浓度瓦斯自激振荡脉动燃烧特性研究;袁隆基;《煤炭学报》;全文 * |
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| CN109945189A (en) | 2019-06-28 |
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