CN206504746U - One kind visualization combustion process monitoring device - Google Patents
One kind visualization combustion process monitoring device Download PDFInfo
- Publication number
- CN206504746U CN206504746U CN201621465575.1U CN201621465575U CN206504746U CN 206504746 U CN206504746 U CN 206504746U CN 201621465575 U CN201621465575 U CN 201621465575U CN 206504746 U CN206504746 U CN 206504746U
- Authority
- CN
- China
- Prior art keywords
- inner cylinder
- barrel
- monitoring device
- combustion process
- combustion
- 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.)
- Active
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 70
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000012800 visualization Methods 0.000 title claims description 13
- 230000010355 oscillation Effects 0.000 claims abstract description 24
- 239000011229 interlayer Substances 0.000 claims abstract description 13
- 238000013461 design Methods 0.000 claims description 16
- 239000000446 fuel Substances 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000003546 flue gas Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 14
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 6
- 239000010453 quartz Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000008676 import Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
Combustion process monitoring device is visualized the utility model discloses one kind, it is mezzanine space to be integrally cylindrical in shape between structure, including inner cylinder and outer barrel, inner/outer tube, be combustion space in inner cylinder；By the interlayer inlet of cold air and inner cylinder inlet of cold air set respectively on outer barrel and inner cylinder barrel, carry out cold air and be passed through cooling, can effectively lower inner cylinder temperature, extend the life-span of experimental provision；The device is additionally provided with some pressure oscillation pressure guiding pipes connected with combustion space, the static pressure in combustion space and pressure oscillation characteristic can be tested, for studying aflame combustion oscillation and acoustic characteristic problem.
Description
Technical field
The utility model is related to the experimental monitoring technology of combustion apparatus, particularly a kind of visualization combustion process monitoring dress
Put.
Background technology
Combustion apparatus is the device that gaseous fuel is converted into heat energy by chemical energy, is generally comprised to blowing device, burner, combustion
Room and control system etc. are burnt, is one of the critical component in gas turbine, boiler, combustor equal energy source power-equipment.Burning
The service behaviour of equipment is critically depend on fuel and oxidant（Generally air）Combustion process tissue effect, including flowing,
The processes such as blending.The characteristics of tissue of combustion process, it is related to the efficiency of combustion of combustion apparatus, pollutant emission, flameholding
Service life of property and whole equipment etc..Therefore the key of the combustion apparatus of exploitation excellent performance, is to find to be directed to specific combustion
The most rational organizational form of the combustion process of material.This is needed by certain experimental technique, develops specific experimental provision, from
And combustion process is monitored, necessary information is obtained, combustion process tissue effect is analyzed and judged, so as to find optimal
Burning tissues form, farthest improves the performance of combustion apparatus.
Combustion process information includes flowing, blending, pressure, temperature and flame EDS maps etc., wherein flame front visualization prison
Survey to be undoubtedly and assess that combustion efficiency is most simple, approach directly perceived and effective.Common method of testing includes in industry：（1）It will open
The burner of hair is placed in open space in the environment and carries out combustion testing, and this can no doubt be directly observed flame structure.But
Combustion process under open condition, differs larger with the combustion process in Actual combustion equipment in the confined space, it is impossible to completely
Reflect truth.（2）Tested under sealing condition, because flame temperature is higher, band water-cooling sandwich is typically used in combustion chamber
Metal or ceramic material, combustion process information is caught using devices such as pressure sensor and thermocouples, by this
A little parameter evaluation combustion characteristics, but flame structure can not be directly observed；Also there is the office on metal or ceramic material combustion chamber
Portion opens up the scheme of form or fire hole, but under the pressure of the limitation of structure, peephole size is limited, and can not obtain the entirety of flame
Architectural characteristic.In addition, the Temperature Distribution control in the measurement of the pressure oscillation in combustion test, combustion barrel is also combustion test dress
The technical barrier frequently encountered in putting.
Utility model content
The purpose of this utility model is, to develop advanced combustion apparatus, to be filled there is provided one kind visualization combustion process monitoring
Put, the device is integrally designed using quartz construction, and a combustion space close with true burner is provided for combustion process；
By various measuring methods, complete flame structure is obtained；The device passes through the measuring point and structure design of connection and reasonable arrangement, energy
Pressure oscillation, the flue-gas temperature of combustion process are detected, and the convenient flue-gas temperature distribution controlled in combustion barrel；For research work this
Carry out burning related basic research and engineer develops advanced burner and provides support.
The technical solution of the utility model is as follows：
One kind visualization combustion process monitoring device, it is characterised in that：Entirety is cylindrical in shape structure, including inner cylinder and outer barrel,
Have between inner cylinder and outer barrel in mezzanine space, inner cylinder is combustion space；Interlayer inlet of cold air is provided with the outer barrel barrel,
Inner cylinder inlet of cold air is provided with inner cylinder barrel；Some pressure oscillation pressure guiding pipes, pressure are additionally provided with the outer barrel barrel
Fluctuation pressure guiding pipe is connected through outer barrel barrel and inner cylinder barrel with combustion space；The bottom of the monitoring device is fuel and air
Import, connects burner；The top of the monitoring device is high-temperature flue gas outlet, connects smoke discharging pipe.
The interlayer inlet of cold air is located at the position of the close fuel and air intlet on outer barrel barrel, according to experiment feelings
Condition needs to design its number and bore.
The inner cylinder inlet of cold air is located at the position of the close high-temperature flue gas outlet on inner cylinder barrel, according to experimental conditions
Need to design its number and bore.
The centre position of the inner cylinder barrel is additionally provided with air inflow openings, according to experimental conditions need design its number and
Aperture.
The number and bore of the pressure oscillation pressure guiding pipe need design according to experimental conditions, can be designed as axially different
With it is different circumferential.
Described device integrally uses quartz material.
The operation principle of the monitoring device is：
Sandwich establishment cold air enters on the fuel close to monitoring device bottom and the position of air intlet, the barrel of outer barrel
Mouthful, it is passed through cold air from interlayer inlet of cold air so that the through-flow cooling air of mezzanine space between inner cylinder and outer barrel, Ran Houtong
Cross in the inner cylinder inlet of cold air set on the inner cylinder barrel of high-temperature flue gas outlet, it is empty that cooling air can enter burning
Between.One layer of cooling air interlayer is formed so between inner/outer tube, to play a part of cooling down inner cylinder.Simultaneously at monitoring device bottom
Between portion and the import and export at top, the centre position of inner cylinder barrel opens up air inflow openings, by controlling the position on inner cylinder
And pore size, it can control into position, flow and Jet Penetration Depth of air-spray of inner cylinder etc., so as to control in combustion barrel
Temperature Distribution.
In order to ensure that combustion space, with being approached in true combustion chamber, can be designed as cylindrical shape by experimental provision flame structure
Structure；If necessary by optical detecting gear（Such as camera）Flame structure is shot, it is necessary to which combustion space is designed into squarely
Structure, the image fault that can so avoid bend glass refraction from causing.Can be with design pressure in radial and axial different angles
Pressure guiding pipe is fluctuated, for detecting pressure or pressure oscillation characteristic in combustion chamber.
The beneficial effects of the utility model are as follows：
（1）The double-barrel structure of the utility model design, can cause to be cooling air interlayer between inner/outer tube, can be internal
Cylinder carries out certain cooling, effectively lowers inner cylinder temperature, extends the life-span of experimental provision.
（2）Centre position is imported and exported in inner cylinder and opens up air inflow openings, by controlling the aperture and position of air admission hole, is changed
Into the cooling air delivery and Jet Penetration Depth of inner cylinder, the Temperature Distribution in inner cylinder can be adjusted, for combustion oscillation, outlet temperature
The research of the problems such as degree distribution, internal flow characteristics.
（3）Pressure oscillation pressure guiding pipe is devised in axially different and circumferential position.Can be to the static pressure and pressure in combustion barrel
Reeb dynamic characteristic is tested, for studying aflame combustion oscillation and acoustic characteristic problem.
（4）, can be with long-term work at 1100 DEG C using quartz as combustor material, softening temperature is about 1700 DEG C.Can
To carry out diffusion combustion, premixed combustion and the part combustion test of pluralities of fuel.Especially complex Cooling Design is not needed, is had
There are good service life and relatively low processing cost.
（5）Quartz material has good translucency, can not only pass through visible ray, can also pass through ultraviolet light.Both may be used
With directly by naked eyes or general camera calibration combustion process, can be with special optical detecting gear（Such as photomultiplier transit
Pipe, enhanced photoelectrical coupler etc.）The situation of the free radical in combustion process is detected, and then analyzes the process of burning comprehensively.
Brief description of the drawings
Fig. 1 is contour structures schematic diagram of the present utility model；
Fig. 2 is longitudinal profile structure schematic of the present utility model.
Wherein, reference is：1- fuel and air intlet, 2- interlayer inlet of cold airs, 3- pressure oscillation pressure guiding pipes
One, 4- pressure oscillation pressure guiding pipe two, 5- pressure oscillations pressure guiding pipe three, 6- pressure oscillations pressure guiding pipe four, 7- pressure oscillations are drawn
Pressure pipe five, 8- pressure oscillations pressure guiding pipe six, 9- air inflow openings, 10- inner cylinder inlet of cold airs, 11- high-temperature flue gas outlets,
12- flame regions, 13- outer barrels, 14- inner cylinders.
Embodiment
As shown in Fig. 1~2, one kind visualization combustion process monitoring device is integrally cylindrical in shape structure, including inner cylinder 14 and outer
Cylinder 13, it is combustion space to have between inner cylinder 14 and outer barrel in mezzanine space, inner cylinder 14；Interlayer is provided with the barrel of outer barrel 13
Inner cylinder inlet of cold air 10 is provided with inlet of cold air 2, the barrel of inner cylinder 14；If being additionally provided with dry-pressing on the barrel of outer barrel 13
Fluctuation pressure guiding pipe, pressure oscillation pressure guiding pipe is connected through the barrel of outer barrel 13, the barrel of inner cylinder 14 with combustion space；The monitoring dress
The bottom put is fuel and air intlet 1, connects burner, and fuel and the upper end of air intlet 1 are flame region 12；The monitoring dress
The top put is high-temperature flue gas outlet 11, connects smoke discharging pipe.
The interlayer inlet of cold air 2 is located at the position of the close fuel and air intlet 1 on the barrel of outer barrel 13, according to reality
The situation of testing needs to design its number and bore.
The inner cylinder inlet of cold air 10 is located at the position of the close high-temperature flue gas outlet 11 on the barrel of inner cylinder 14, according to reality
The situation of testing needs to design its number and bore.
The centre position of the barrel of inner cylinder 14 is additionally provided with air inflow openings 9, is needed to design it according to experimental conditions
Number and bore.
The number and bore of the pressure oscillation pressure guiding pipe need design according to experimental conditions, can be designed as axially different
With it is different circumferential, as shown in figure 1, be designed with pressure oscillation pressure guiding pipe one~6 3~8 in the present embodiment, totally six.
Described device integrally uses quartz material.
The operation principle of the monitoring device is：
The cold sky of sandwich establishment on the fuel close to monitoring device bottom and the position of air intlet 1, the barrel of outer barrel 13
Gas import 2, cold air is passed through from interlayer inlet of cold air 2 so that the through-flow cooling of mezzanine space between inner cylinder 14 and outer barrel 13
Air, then by the way that in the inner cylinder inlet of cold air 10 set on the barrel of inner cylinder 14 of high-temperature flue gas outlet 11, cooling is empty
Gas can enter combustion space.One layer of cooling air interlayer is formed so between inner/outer tube, to play the work of cooling inner cylinder 14
With.Simultaneously between monitoring device bottom and the import and export at top, the centre position of the barrel of inner cylinder 14 opens up air inflow openings 9,
By controlling the position on inner cylinder 14 and caliber size, can control the position of air-spray into inner cylinder 14, flow and
Jet Penetration Depth etc., so as to control the Temperature Distribution in combustion barrel.
Claims (7)
1. one kind visualization combustion process monitoring device, it is characterised in that：Entirety is cylindrical in shape structure, including inner cylinder（14）And outer barrel
（13）, inner cylinder（14）And outer barrel（13）Between have mezzanine space, inner cylinder（14）In be combustion space；The outer barrel（13）On barrel
It is provided with interlayer inlet of cold air（2）, inner cylinder（14）Inner cylinder inlet of cold air is provided with barrel（10）；The outer barrel（13）Cylinder
Some pressure oscillation pressure guiding pipes are additionally provided with wall, pressure oscillation pressure guiding pipe passes through outer barrel（13）Barrel and inner cylinder（14）Barrel with
Combustion space is connected；The bottom of the monitoring device is fuel and air intlet（1）, connect burner；The top of the monitoring device
Portion is high-temperature flue gas outlet（11）, connect smoke discharging pipe.
2. visualization combustion process monitoring device according to claim 1, it is characterised in that：The interlayer inlet of cold air
（2）Positioned at outer barrel（13）Close fuel and air intlet on barrel（1）Position, according to experimental conditions need design its number
And bore.
3. visualization combustion process monitoring device according to claim 1, it is characterised in that：The inner cylinder inlet of cold air
（10）Positioned at inner cylinder（14）Close high-temperature flue gas outlet on barrel（11）Position, according to experimental conditions need design its number
And bore.
4. visualization combustion process monitoring device according to claim 1, it is characterised in that：The inner cylinder（14）Barrel
Centre position is additionally provided with air inflow openings, is needed to design its number and aperture according to experimental conditions.
5. visualization combustion process monitoring device according to claim 1, it is characterised in that：The pressure oscillation pressure guiding pipe
Need to be designed as according to monitoring axially different and different circumferential.
6. combustion process monitoring device is visualized according to claim 1 or 5, it is characterised in that：The pressure oscillation is drawn
The number and bore of pressure pipe need design according to experimental conditions.
7. visualization combustion process monitoring device according to claim 1, it is characterised in that：Described device integrally uses stone
English material makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465575.1U CN206504746U (en) | 2016-12-29 | 2016-12-29 | One kind visualization combustion process monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465575.1U CN206504746U (en) | 2016-12-29 | 2016-12-29 | One kind visualization combustion process monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206504746U true CN206504746U (en) | 2017-09-19 |
Family
ID=59837006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465575.1U Active CN206504746U (en) | 2016-12-29 | 2016-12-29 | One kind visualization combustion process monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206504746U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519968A (en) * | 2018-11-27 | 2019-03-26 | 中国东方电气集团有限公司 | A kind of high pressure visable burner |
| CN112066413A (en) * | 2019-06-10 | 2020-12-11 | 中国航发商用航空发动机有限责任公司 | Gas turbine, combustor, monitoring device and monitoring method for oscillatory combustion, and computer-readable storage medium |
| CN109519968B (en) * | 2018-11-27 | 2024-04-26 | 中国东方电气集团有限公司 | High-pressure visual combustor |
-
2016
- 2016-12-29 CN CN201621465575.1U patent/CN206504746U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519968A (en) * | 2018-11-27 | 2019-03-26 | 中国东方电气集团有限公司 | A kind of high pressure visable burner |
| CN109519968B (en) * | 2018-11-27 | 2024-04-26 | 中国东方电气集团有限公司 | High-pressure visual combustor |
| CN112066413A (en) * | 2019-06-10 | 2020-12-11 | 中国航发商用航空发动机有限责任公司 | Gas turbine, combustor, monitoring device and monitoring method for oscillatory combustion, and computer-readable storage medium |
| CN112066413B (en) * | 2019-06-10 | 2022-06-10 | 中国航发商用航空发动机有限责任公司 | Gas turbine, combustor, monitoring device and monitoring method for oscillatory combustion, and computer-readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sobiesiak et al. | Performance characteristics of the novel low-NOx CGRI burner for use with high air preheat | |
| CN201307109Y (en) | Multi-parameter coupling fire spread tester | |
| CN205037293U (en) | Multi -functional integrated combustor | |
| CN105067655A (en) | Flame retardant electric cable vertical combustion performance testing apparatus under barrel-shaped annular radiation heating condition | |
| CN107255277A (en) | A kind of water cooling finned tube fire row premixes low NO entirely | |
| CN103354900B (en) | Gas analysis by laser | |
| CN206504746U (en) | One kind visualization combustion process monitoring device | |
| CN102393403B (en) | Device and method for detecting combustion characteristic of tail gas containing high-concentration CO | |
| CN104376145B (en) | Turbulent burner burning quality evaluation method based on CFD technologies | |
| CN203337398U (en) | A combustor test furnace | |
| CN106017091B (en) | A kind of anti-explosion safety industrial furnace | |
| CN107505137A (en) | A kind of combustor test equipment and system | |
| CN206281664U (en) | A kind of multitubular bundles integrated form radiant tube combustion experimental system | |
| CN101245912B (en) | Fuel oil/gas burner test stove | |
| CN205403489U (en) | Door and book curtain fire resistance testing stove | |
| Du et al. | Influence of the Parallel C-Layer Secondary Air on Flow, Combustion and Nox Generation Characteristics of a 600mwe FW Down-Fired Boiler Retrofitted with a Stable Combustion Organization Mode | |
| Vondál et al. | Wall heat transfer in gas-fired furnaces: Effect of radiation modelling | |
| Tao et al. | Macrostructure and NOx emission evolution characteristics of lean‐premixed flames under combustion instability | |
| Riahi et al. | Numerical comparative study of heat transfer in flameless and conventional combustion in a 30 kW furnace | |
| Vondál et al. | Appendix E Local wall heat fluxes in swirling non-premixed natural gas flames in large-scale combustor: Data for validation of combustion codes | |
| KR101250434B1 (en) | Combustion device for fire wood boiler | |
| Wang et al. | Experimental study on premixed flame combustion of annular burner with CO2 dilution based on OH-PLIF technology | |
| Jegla et al. | Validation of developed modified plug-flow furnace model for identification of burner thermal behaviour | |
| CN203731414U (en) | Roller heating type full-premixing infrared burner | |
| CN212805633U (en) | Burner system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |