CN103277799A - External heated combustor system - Google Patents
External heated combustor system Download PDFInfo
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- CN103277799A CN103277799A CN 201310189341 CN201310189341A CN103277799A CN 103277799 A CN103277799 A CN 103277799A CN 201310189341 CN201310189341 CN 201310189341 CN 201310189341 A CN201310189341 A CN 201310189341A CN 103277799 A CN103277799 A CN 103277799A
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Abstract
The invention provides an external heated combustor system applied to a device, wherein the device enables low heating value organic gas to be converted into heat energy and electric energy. The external heated combustor system combusts the low heating value organic gas, is high in fuel efficiency and good in stability, reduces exhaust emission, saves energy and reduces consumption, and effectively improves the utilization rate of wastes. The external heated combustor system is characterized in that an air inlet tube 1 is connected with an air inlet chamber 3 through an outer shell body 7, a flow equalizing plate layer 2 is arranged in the air inlet chamber 3, an electric regulating valve stem 12 penetrates through the outer shell body 7 and enters the air inlet chamber 3 and the flow equalizing plate layer 2 and is connected with a valve seat 13, an inlet of a gas mixing chamber 14 provided with a gas flow dividing flow equalizing tube 5 is controlled by the valve seat 13, a metal filtering piece 23 is installed between the gas mixing chamber 14 and a preceding stage premixed combustion cylinder 6, the preceding stage premixed combustion cylinder 6 is connected with a combustion cylinder 8, the combustion cylinder 8 is fixed on the heat preservation shell body 7 and connected with a diffusion combustion chamber 24, an outlet end of the diffusion combustion chamber 24 is respectively connected with a heat absorption gas collection tube 10 and a starting heating combustor 9, and the heat absorption gas collection tube 10 is connected to an external heated machine 17.
Description
Technical field
The present invention relates to a kind of external-heat buner system, be particularly useful for low heat value organic gas such as coal mine light concentration mash gas, oil well low concentration associated gas, abandoned mine and oil well, marginal well discharging gas are converted to a kind of external-heat burner electricity generation system of heat energy and electric energy.
Background technology
Well-known, natural-gas concentration is low to cause that easily burning is insufficient, factors such as the flammability difference that directly causes and unstability, especially colliery industry, oil industry etc. some produce the industry of light concentration gas, the biogas that the low concentration gas that ubiquity produces, oil well low concentration associated gas, abandoned well produce, marginal well discharging gas etc. are easy to generate the light concentration gas industry, most of residual gas is discharged in the atmosphere in vain, the energy is not fully used, also be unfavorable for environment protection emission, exist hidden danger in the time of contaminated environment.
Therefore, in order to utilize these natural resources well, more heal today in short supply in global resources, this invention is particularly important.The best purposes of organic gas is generated electricity exactly, but existing generation technology such as gas turbine, gas internal-combustion engine generator can only utilize high dense gas (can the accomplishing utilization 10% or more of practical application at present), and China's coal bed gas concentration is low, big characteristics fluctuate owing to economy and equipment self reason can not adapt to for combustion gas external-combustion engine, turbine gas engine and catalytic combustion generating set etc.
Use at present the most effective bidirectional adverse current the most widely (catalysis) energy storage bed technology and can only handle 1%(V) about fuel gas, and for high concentration gas, the device treatment scale is big, less economical.
For solving low concentration organic gas combustion problem, people add porous media material in Burner Technology, porous media pre-mixed gas burning feature can be summarized as follows: because porous media has very big thermal capacity and the heat transfer efficiency height between the gas-solid, combustion process can be carried out at a lower temperature.Uniformity of temperature profile in the reaction zone, thereby fired state is easy to control.The reaction zone yardstick is big, and its thickness can reach hundreds of times of free flame thickness.Burn rate is far longer than the propagation rate of free flame.There is not the flame on the macro-scale in the porous media.Combustion process is highly stable and complete, thereby is conducive to the control to combustion process.Pollutant emission can reach very low level.Can reach very high power density, thereby realize overheavy firing.Dynamic range has very strong modularity.Because combustion process has good controllability, so combustion noise is little.But also exist the ignition temperature skewness, the problem that flame tilts and combustion power mates.
5 because above-mentioned numerous advantage, and the multi-hole medium combustion technology all might obtain actual application in people try hard to realize the various devices of high-efficient low polluting combustion, especially be fit to the burning utilization of low dense gas.Can use outside any thermal source as the characteristics of power resources in conjunction with Stirling engine because of outer thermal characteristics, can form organic gas external combustion electricity generation system.
Summary of the invention
For addressing the above problem, the invention provides a kind of combusting low calorific value gas fuel efficient height, good stability, reduce toxic emission, contaminated environment; Save energy and reduce the cost, effectively improve the external-heat burner electricity generation system of problems such as twice laid.
A kind of external-heat buner system of the present invention, it is characterized in that air intake duct 1 enters device chamber 3 by shell body 7 side plates and air and links to each other, air advances to be provided with one deck homogenizing plate 2 in the device chamber 3, motorized adjustment valve rod 12 passes shell body 7 side plates and enters air and enter device chamber 3 and link to each other with valve seat 13 with one deck homogenizing plate 2, gas mixer chamber 14 imports of gas shunting current-sharing pipe 5 are housed by valve seat 13 controls, one metal filtration sheet 23 is installed between gas mixer chamber 14 and the prime premixed combustion tube 6, prime premixed combustion tube 6 is connected with combustion barrel 8, combustion barrel 8 is fixed on the insulation shell 7 and links to each other with diffusion burner 24, diffusion burner 24 ports of export are connected with heat absorption discharge 10 respectively and start heating burner 9, and heat absorption discharge 10 is connected on the outer hot machine 17.
Prime premixed combustion tube 6 is made of the porous ceramics medium, and there is catalyst on the surface.
Prime premixed combustion tube 6, combustion barrel 8, diffusion burner 24 inside link to each other with thermocouple 18.Combustion barrel 8 is tapers.
The porous media material of two layers of-three layers of different aperture density of filled media material in the combustion barrel 8.
Insulation shell 7 inside are equipped with steel winding pipe parallel operation.
Diffusion burner 24 inwalls are lined with high-efficiency thermal storage ceramic material 15.
Diffusion burner 24 outlets are connected with external-combustion engine heat absorption discharge 10.
Its surface spraying catalyst of porous media material that prime premixed combustion tube (6) and secondary taper combustion barrel (8) are inner.
The present invention compared with prior art has following advantage:
1, special construction of the present invention designs, and has solved the combustion problem of low concentration low density gas, burning concentration scope 1%-100%, and burners in prior and internal combustion engine working concentration are more than 10%.
2, the present invention can light concentration gas transfers heat energy to and electric energy has effectively developed new forms of energy by burning.
3, further expand the recycling regenerated resources of organic gas, can take full advantage of waste heat and improve efficiency of combustion, reduced the effect that pollutant discharge amount has reached energy-conserving and environment-protective.
4, its system architecture of the present invention is simple, easy to operate, has effectively reduced production cost, energy-conserving and environment-protective.
5, there is not flame on the macro-scale in the porous media, therefore combustion process is highly stable and complete, thereby be conducive to the control to combustion process, dynamic range has very strong modularity, because combustion process has good controllability, Gu combustion noise is little, the ignition temperature distribution uniform has solved the problem that flame tilts and combustion power mates.
Description of drawings
Fig. 1 is system construction drawing of the present invention.
Among the figure: the 1-air intake duct, the 2-airflow homogenizing plate, the 3-air enters the device chamber, the 4-gas inlet pipe, 5-gas shunting current-sharing pipe, 6-prime premixed combustion tube, 7-burner insulation shell, 8-taper combustion barrel, 9-start the heating burner, the 10-discharge that absorbs heat, 11-housing, 12-motorized adjustment valve rod, the 13-valve seat, 14-gas mixer chamber, 15-high-efficiency thermal storage ceramic material, the 16-pipeline of discharging fume, the outer hot machine of 17-Stirling, 18-thermocouple, 19-organic gas cone burner, 20-spark arrester, 21-combustion gas electric control valve, the 22-source of the gas, 23-metal filtration sheet, 24-diffusion burner, 25-generator, 26-flue gas heat exchange device, 27-winding pipe parallel operation.
The specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Of the present invention a kind of external-heat buner system, it is characterized in that air intake duct 1 enters device chamber 3 by shell body 7 side plates and air and links to each other, air advances to be provided with one deck homogenizing plate 2 in the device chamber 3, motorized adjustment valve rod 12 passes shell body 7 side plates and enters air and enter device chamber 3 and link to each other with valve seat 13 with one deck homogenizing plate 2, gas mixer chamber 14 imports of gas shunting current-sharing pipe 5 are housed by valve seat 13 controls, one metal filtration sheet 23 is installed between gas mixer chamber 14 and the prime premixed combustion tube 6, prime premixed combustion tube 6 is connected with combustion barrel 8, combustion barrel 8 is fixed on the insulation shell 7 and links to each other with diffusion burner 24, diffusion burner 24 ports of export are connected with heat absorption discharge 10 respectively and start heating burner 9, and heat absorption discharge 10 is connected on the outer hot machine 17.
Embodiment: external-heat buner system of the present invention, mainly advance device chamber, gas mixer chamber, organic gas cone burner, diffusion burner, outer hot machine, generator and accessory by air and constitute.Air advances air intake duct (1) is housed on the device chamber (3), airflow homogenizing plate (2) is established in inside, shell (11) is steel, outlet is provided with valve rod (12) valve seat (13), outer spark arrester (20) and the combustion gas electric control valve (21) of being equipped with successively of gas mixer chamber (14) and pipeline (4) thereof, gas mixer chamber (14) port of export connects cone burner (19), constitute the burning main body by prime premixed combustion tube (6) and secondary taper combustion barrel (8) in the gas mixer chamber (14), install and measure and control required thermocouple (18) above, winding pipe parallel operation (27) is arranged in the burner insulation shell (7), gas mixer chamber (14) outlet links to each other with diffusion burner (24) entrance, diffusion burner (24) side is equipped with and starts heating burner (9) and smoke evacuation pipeline (16), establish flue gas heat exchange device (26) in the smoke evacuation pipeline (16), diffusion burner (24) interior wall liner high-efficiency thermal storage ceramic material (15), the heat absorption discharge (10) of the outer hot machine (17) of Stirling inserts diffusion burner (24) exit, and generator (25) is installed on outer hot machine (17) output shaft of Stirling.
Claims (10)
1. external-heat buner system, it is characterized in that air intake duct (1) enters device chamber (3) by shell body (7) side plate and air and links to each other, be provided with one deck homogenizing plate (2) in the air inlet chamber (3), motorized adjustment valve rod (12) passes shell body (7) side plate and enters air inlet chamber (3), and pass one deck homogenizing plate (2) and link to each other with valve seat (13), gas mixer chamber (14) import that gas shunting current-sharing pipe (5) is housed is controlled by valve seat (13), one metal filtration sheet (23) is installed between gas mixer chamber (14) and the prime premixed combustion tube (6), prime premixed combustion tube (6) is connected with combustion barrel (8), combustion barrel (8) is fixed on insulation shell (7) and upward links to each other with diffusion burner (24), diffusion burner (24) port of export is connected with heat absorption discharge (10) respectively and starts heating burner (9), and heat absorption discharge (10) is connected on the outer hot machine (17).
2. according to the described a kind of external-heat buner system of claim 1, it is characterized in that prime premixed combustion tube (6) is made of the porous ceramics medium, there is catalyst on the surface.
3. according to the described a kind of external-heat buner system of claim 1, it is characterized in that prime premixed combustion tube (6), combustion barrel (8), diffusion burner (24) inside link to each other with thermocouple (18).
4. according to the described a kind of external-heat buner system of claim 1, it is characterized in that the porous media material that the interior filled media material of combustion barrel (8) is two kinds or three kinds different aperture density.
5. according to claim 1 or 3 or 4 described a kind of external-heat buner systems, it is characterized in that combustion barrel (8) is taper.
6. according to the described a kind of external-heat buner system of claim 1, it is characterized in that insulation shell (7) inside is equipped with steel winding pipe parallel operation (27).
7. according to the described a kind of external-heat buner system of claim 1, it is characterized in that diffusion burner (24) inwall is lined with high-efficiency thermal storage ceramic material (15).
8. according to the described a kind of external-heat buner system of claim 1, it is characterized in that gas mixer chamber (14) inside is equipped with gas shunting current-sharing pipe (5).
9. according to the described a kind of external-heat buner system of claim 1, it is characterized in that diffusion burner (24) outlet is connected with outer hot machine heat absorption discharge (10).
10. according to the described a kind of external-heat buner system of claim 1, it is characterized in that its surface spraying catalyst of the inner porous media material of prime premixed combustion tube (6) and secondary taper combustion barrel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310189341 CN103277799A (en) | 2013-05-21 | 2013-05-21 | External heated combustor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310189341 CN103277799A (en) | 2013-05-21 | 2013-05-21 | External heated combustor system |
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| CN103277799A true CN103277799A (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201310189341 Pending CN103277799A (en) | 2013-05-21 | 2013-05-21 | External heated combustor system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727976A (en) * | 2015-03-09 | 2015-06-24 | 上海电力学院 | Combustion heating system for Stirling engine |
| CN105004757A (en) * | 2015-07-07 | 2015-10-28 | 清华大学 | System for measuring ignition temperature of particle-containing gas flow, and method thereof |
| CN105841153A (en) * | 2016-06-11 | 2016-08-10 | 周勇 | Low-heating-value gas combustion device |
| CN108295587A (en) * | 2018-03-29 | 2018-07-20 | 南通回力橡胶有限公司 | A kind of rubber regeneration emission-control equipment |
| CN113552281A (en) * | 2021-07-22 | 2021-10-26 | 徐志龙 | Associated gas high-altitude diffusion combustion chamber for offshore oil development |
| CN115264940A (en) * | 2022-06-09 | 2022-11-01 | 中国计量大学 | Self-preheating type porous medium catalytic combustion hot water device |
-
2013
- 2013-05-21 CN CN 201310189341 patent/CN103277799A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727976A (en) * | 2015-03-09 | 2015-06-24 | 上海电力学院 | Combustion heating system for Stirling engine |
| CN105004757A (en) * | 2015-07-07 | 2015-10-28 | 清华大学 | System for measuring ignition temperature of particle-containing gas flow, and method thereof |
| CN105004757B (en) * | 2015-07-07 | 2017-11-07 | 清华大学 | A kind of system and method for measuring the ignition temperature of air-flow containing particle |
| CN105841153A (en) * | 2016-06-11 | 2016-08-10 | 周勇 | Low-heating-value gas combustion device |
| CN105841153B (en) * | 2016-06-11 | 2018-10-09 | 周勇 | A kind of low-caloricity gas burner |
| CN108295587A (en) * | 2018-03-29 | 2018-07-20 | 南通回力橡胶有限公司 | A kind of rubber regeneration emission-control equipment |
| CN113552281A (en) * | 2021-07-22 | 2021-10-26 | 徐志龙 | Associated gas high-altitude diffusion combustion chamber for offshore oil development |
| CN113552281B (en) * | 2021-07-22 | 2024-02-09 | 徐志龙 | Associated gas high-altitude diffusing combustion chamber for offshore oil development |
| CN115264940A (en) * | 2022-06-09 | 2022-11-01 | 中国计量大学 | Self-preheating type porous medium catalytic combustion hot water device |
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Application publication date: 20130904 |