CN103712774A - Experimental device for low swirl combustor flow characteristic study - Google Patents
Experimental device for low swirl combustor flow characteristic study Download PDFInfo
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- CN103712774A CN103712774A CN201410018561.4A CN201410018561A CN103712774A CN 103712774 A CN103712774 A CN 103712774A CN 201410018561 A CN201410018561 A CN 201410018561A CN 103712774 A CN103712774 A CN 103712774A
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Abstract
The invention discloses an experimental device for a low swirl combustor flow field characteristic study. The device is composed of a low swirl combustor flowing area experimental part, a PIV test bench, a PIV testing system and a flow velocity measurement system and can achieve the measurement of velocity vector distribution of an outlet of a swirler under different rotational flow structure parameters and incoming flow conditions. The device can be used for conducting the flow characteristic study on a novel low swirl combustor using hydrogen-rich fuel or pure-hydrogen fuel based on the particle image velocimetry (PIV) testing technology to overcome the technical difficulty existing during low swirl combustion (LSC) design. The low swirl combustor flow area experimental part can achieve replacement of swirlers and simulation of the flow characteristic of the low swirl combustor. The PIV test bench is provided with an adjustable support and can be used for adjusting a PIV testing area. The device can be used for a visual experimental study on flowing velocity vector distribution of the low swirl combustor.
Description
Technical field
The present invention relates to the experimental provision of low turbulent burner.
Background technology
For take coal electricity as main China Power industry, problem of environmental pollution has become " bottleneck " link of China's power industry the Implement of sustainable development strategy.According to International Energy Agency prediction, the CO of China
2total emission volumn is only second to the U.S., occupy now second place of the world, and wherein the discharge capacity of thermal power plant has surpassed other discharge summations industrial and moving source, has accounted for more than 50%.The coal-fired NO producing
x, SO
2deng pollutant emission 50% also from thermal power plant.In China's electricity industry structure, thermoelectricity accounts for 74%, and in thermoelectricity, more than 95% is coal electricity.Visible, reduce the pollutant emission of existing fired power generating unit, and in newly-increased generator installation, adopt more efficiently, cleaner " green coal electricity " technology is the current most important and the most urgent task of power industry of China.So, actively develop the research of IGCC gordian technique, for tachnical storage and engineering demonstration are done by national and enterprise " green coal electricity ", significant to the national economy and social development of China.
Gas turbine is the nucleus equipment of IGCC, and the raising of its performance is the prerequisite of IGCC development.High forming gas or the pure hydrogen gas fuel of hydrogen content of using coal gasification generation instead can produce combustion stability and NO
x, the technical matters such as CO pollutant emission inhibition.Various countries scholar constantly proposes and studies the gas turbine combustion technology of new ideas, and several combustion technologies are assessed, result shows, low swirl flow combustion (LSC) technology is to use one of IGCC hydrogen containing synthesis gas or the optimal combustion technology of pure hydrogen gas gas turbine.
At present, on advanced gas turbine design proposal of modern times basis, to transform the technological difficulties that run into be that the laminar flame speed of hydrogen air potpourri is very high to IGCC gas turbine; The relatively high adiabatic temperature of hydrogen air potpourri, burning produces a large amount of oxides of nitrogen; If flame temperature and nitrogen oxide emission reduce by nitrogen or steam dilution, can reduce burning efficiency; If adopt poor fuel premixed, rapid reaction and high combustion speed can cause spontaneous combustion and tempering.For these technological difficulties, developed the low turbulent burner flow characteristics experimental provision of new ideas, can implement based on PIV measuring technology use hydrogen-rich synthetic gas and pure hydrogen gas low turbulent burner structure and performance and mate the research of flow characteristics with modern gas turbines.
Summary of the invention
The object of this invention is to provide a kind ofly based on PIV test macro, different geometries and inlet flow conditions are bent down to turbulent burner velocity distributes, the experimental provision of the Study of Flow Characteristics of flow state.
For achieving the above object, the present invention proposes following technical scheme: a kind of experiment system of combustor flow dynamic characteristic, flow velocity measuring system form: the structure of the basin experimental piece of low turbulent burner comprises: rectangular sprue casing one end is fixed with inlet plate and the other end is fixed with the plate of giving vent to anger.Inlet plate is provided with the circular hole with draw-in groove, and air inlet runner is the cylinder that front and back are fixed with respectively flange.Flange and inlet plate are provided with circular hole with draw-in groove for closely cooperating.Give vent to anger on plate by the flow channel that goes out of flange stationary cylinder shape.The structure of PIV testboard bay comprises: be fixed on the platform among stand, be fixed on the guide rail of stand top.Vertical rack below is connected with guide rail by the slide block with screw, and one end of horizontal stand is provided with opening and be connected with vertical rack by screw, and the other end of horizontal stand is provided with U-shaped folder.U-shaped folder one side is provided with snap ring and opposite side is provided with screw III.PIV test macro comprises: the air compressor being linked in sequence, gas bomb, gas purifier, trace displaying particle generator.This trace displaying particle generator by seal tube with described in be fixed on the basin experimental piece of the low turbulent burner on the platform among stand flange be connected.One end of laser generator is connected with light-conducting arm and the other end is connected with synchronizer.The PIV camera lens being fixed on the U-shaped folder snap ring of horizontal stand is connected with synchronizer, and the outlet of this synchronizer is connected with computer.Flow velocity measuring system comprises: the velocity probe before the flange of the basin experimental piece of the low turbulent burner described in being placed in seal tube is connected with differential pressure pickup, the differential pressure pickup that data collecting instrument connects respectively and described computer.The quantity of the flange III that the plate of giving vent to anger is provided with is 4.Data collecting instrument connects direct supply.The voltage of direct supply is 24V.The epipleural of rectangular sprue casing and front side board are transparent material.
Compared with prior art, the technical solution used in the present invention has following beneficial effect:
1) replacing that the basin experimental piece of the low turbulent burner of this device can change cyclone, can carry out the simulation of low turbulent burner flow characteristics.
2) in the PIV testboard bay of this device, be provided with adjustable trestle, can carry out the adjusting of PIV test zone.
3) can carry out low turbulent burner flowing velocity vector distribution visualized experiment research.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific embodiments, the invention will be further described:
Fig. 1: low turbulent burner basin experimental piece of the present invention and PIV testboard bay assembling schematic diagram
Fig. 2: low turbulent burner of the present invention basin experimental piece schematic diagram
Fig. 3: the local enlarged diagram of PIV testboard bay in Fig. 1
Fig. 4: PIV test macro of the present invention and velocity measuring system schematic diagram
In figure: 1, inlet plate, 2, sprue casing, 3, the plate of giving vent to anger, 4, air inlet runner, 5, flange I, 6, air inlet runner draw-in groove, 7, flange II, 8, go out flow channel, 9, flange III, 10, stand, 11, platform, 12 guide rails, 13, vertical rack, 14, horizontal stand, 15, U-shaped folder, 16-1, screw I, 16-2, screw II, 16-3, screw III, 17, snap ring, 20, gas bomb, 21, gas purifier, 22, air compressor, 23, trace displaying particle generator, 24, laser generator, 25, light-conducting arm, 26, synchronizer, 27, computer, 28, PIV camera lens, 29, direct supply, 30, data collecting instrument, 31, differential pressure pickup, 32, velocity probe.
Embodiment
This device is comprised of basin experimental piece, PIV testboard bay, PIV test macro, the flow velocity measuring system of low turbulent burner.
The basin experimental piece of low turbulent burner comprises: inlet plate 1, the plate 3 of giving vent to anger, sprue casing 2, bolt, flange.On inlet plate 1, be fixed with flange II-7, one end of air inlet runner 4 is connected with these flange II-7 and the other end is fixed with flange I-5 can be connected with the runner of cyclone.Sprue casing 2 materials are organic glass, and upside is that direction and the front side that laser is injected is clear glass, and bottom and rear part glass are opaque, can spray with dumb light pitch-dark prevent reflective.By bolted mode, inlet plate 1, the plate 3 of giving vent to anger are connected as one with sprue casing 2.The plate 3 of giving vent to anger consists of organic glass and gas outlet, with organic glass, as plate body and be provided with four flange III-9, goes out flow channel 8 and is connected respectively with four.
PIV testboard bay comprises stand 10, platform 11 and adjustable support.So-called adjustable support comprises: guide rail 12, sliding support and PIV laser head fixing device.Platform 11 is fixed among stand 10, and guide rail 12 is fixed on stand 10 tops, and vertical rack 13 can carry out the slip of front and back by the slide block being located in guide rail 12, and available screw I-16-1 fixed position.The opening that one end of horizontal stand 14 is provided with packs into vertical rack 13, can carry out upper and lower slip, and can pass through screw II-16-2 and vertical rack 13 phase latched positions.Horizontal stand 14 other ends are provided with U-shaped folder 15, can carry out the slip of left and right, also can be fastening with the screw III-16-3 of a side, and the opposite side of U-shaped folder 15 is provided with snap ring 17.Thus, can realize the three-dimensional adjustment of support.
PIV test macro comprises: the basin experimental piece of low turbulent burner, air compressor 22, gas bomb 20, gas purifier 21, trace displaying particle generator 23, laser generator 24, light-conducting arm 25, PIV camera lens 28, synchronizer 26, computer 27.Air compressor 22 is linked in sequence with gas bomb 20, gas purifier 21, trace displaying particle generator 23.Trace displaying particle generator 23 by seal tube be fixed on stand 10 among platform 11 on flange I-5 of basin experimental piece of low turbulent burner be connected air inlet runner 4, trace particle and gas are sent in sprue casing 2.Laser generator 24 is connected with synchronizer 26, and PIV camera lens 28 is connected with synchronizer 26, and synchronizer 26 is connected with computer 27.Laser generator 24(is placed in the upper figure of another experiment table and does not show) laser of transmitting is by by the light-conducting arm 25 of snap ring 17 fixed positions, from sprue casing 3 tops, squeezes into.PIV camera lens 28 is placed in (not shown) on the stand in sprue casing 3 the place aheads and takes, and by signal wire, is connected with computer 27.
Flow velocity measuring system comprises: low turbulent burner basin experimental piece, computer 27, direct supply 29, data collecting instrument 30, differential pressure pickup 31, velocity probe 32.Velocity probe 32 is placed in inlet channel front portion in the experimental piece forward air inlet runner 4 of low turbulent burner basin and is connected with differential pressure pickup 31 by seal tube, differential pressure pickup 31 is connected with data collecting instrument 30 by data line, and data collecting instrument 30 is finally connected with desktop computer 27.Direct supply 29(24V) be connected with data collecting instrument 30.
The course of work of the present invention is as follows:
1) the basin experimental piece course of work of low turbulent burner:
Velocity probe 32 is inserted in to the front portion of air inlet runner 4 for measuring inlet velocity, can be by valve regulated inlet velocity in order to change experiment condition.
Trace particle enters air intake opening by closed conduit and flows to sprue casing 2.
By the fixing low eddy flow cyclone of draw-in groove 6 of air inlet runner 4.By detachable design, can pack different cyclones into.
Gas flows into sprue by cyclone, and in gas, blending trace particle is finally flowed out and discharged by pipeline by gas outlet.
2) the PIV testboard bay course of work:
PIV camera lens 28 is fixed on adjustable support, distance and lens shooting region by adjustable support adjustable lens apart from experimental piece.
3) the PIV test macro course of work:
Computer 27 is controlled laser generator 24 and PIV camera lenses 28 by synchronizer 26, laser occurrence frequency, laser generation intensity, the PIV camera lens of controlling laser generator 24 take pictures frequency and laser generator laser occurs and PIV camera lens 28 is taken pictures simultaneously match.Laser is transmitted into the appointed area in the basin experimental piece of low turbulent burner by laser guide arm 25.Air compressor 22 deposits pressurized air to gas bomb 20, pressure-air is through gas bomb 20 gas coming through purification bottle devices 21 to trace displaying particle generator 23, and trace particle is discharged and enter the flow field of the basin experimental piece generation trace particle distribution of low turbulent burner by trace displaying particle generator 23.
4) the flow velocity measuring system course of work: computer 27, by data acquisition software, gathers and record the speed of data collecting instrument 30.
Claims (5)
1. an experimental provision for combustor flow dynamic characteristic, is characterized in that: it is comprised of basin experimental piece, PIV testboard bay, PIV test macro, the flow velocity measuring system of low turbulent burner:
1), the structure of the basin experimental piece of described low turbulent burner comprises: rectangular sprue casing (2) one end is fixed with inlet plate (1) and the other end is fixed with the plate of giving vent to anger (3), described inlet plate (1) is provided with the circular hole with draw-in groove, air inlet runner (4) is the cylinder that front and back are fixed with respectively flange I (5) and flange II (7), and described flange II (7) and bolted for described inlet plate (1); The described plate of giving vent to anger (3) is upper goes out flow channel (8) by flange III (9) stationary cylinder shape;
2), the structure of described PIV testboard bay comprises: be fixed on the platform (11) among stand (10), be fixed on the guide rail (12) of described stand (10) top, vertical rack (13) below is connected with guide rail (12) by the slide block with screw I (16-1), and one end of horizontal stand (14) is provided with opening and pass through screw II (16-2), be connected with vertical rack (13), the other end of described horizontal stand (14) is provided with U-shaped folder (15), described U-shaped folder (15) one sides are provided with snap ring (17) and opposite side is provided with screw III (16-3),
3) described PIV test macro comprises: the air compressor being linked in sequence (22), gas bomb (20), gas purifier (21), trace displaying particle generator (23), this trace displaying particle generator (23) by seal tube with described in be fixed on the basin experimental piece of the low turbulent burner on the platform (11) among stand (10) flange I (5) be connected; One end of laser generator (24) is connected with light-conducting arm (25) and the other end is connected with synchronizer (26); The PIV camera lens (28) being fixed on U-shaped folder (15) snap ring (17) of described horizontal stand (14) is connected with synchronizer (26), and the outlet of this synchronizer (26) is connected with computer (27);
4), described flow velocity measuring system comprises: the velocity probe (32) in the front seal tube of flange I (5) of the basin experimental piece of the low turbulent burner described in being placed in is connected with differential pressure pickup (31), and data collecting instrument (30) connects respectively described differential pressure pickup (31) and described computer (27).
2. the experimental provision of combustor flow dynamic characteristic according to claim 1, is characterized in that: described in the give vent to anger quantity of the flange III (9) that plate (3) is provided be 4.
3. the experimental provision of combustor flow dynamic characteristic according to claim 1, is characterized in that: described data collecting instrument (30) connects direct supply (29).
4. the experimental provision of combustor flow dynamic characteristic according to claim 3, is characterized in that: the voltage of described direct supply (29) is 24V.
5. the experimental provision of combustor flow dynamic characteristic according to claim 1, is characterized in that: the epipleural of described rectangular sprue casing (2) and front side board are transparent material.
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| CN201410018561.4A CN103712774B (en) | 2014-01-15 | 2014-01-15 | Low turbulent burner Study of Flow Characteristics experimental provision |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236844A (en) * | 2014-09-17 | 2014-12-24 | 东方电气(广州)重型机器有限公司 | High-flow air fluid testing system for nuclear power plant MSR |
| CN105170347A (en) * | 2015-10-09 | 2015-12-23 | 江苏英瑞环保科技有限公司 | Absorption tower hedging whirlcone |
| CN110274749A (en) * | 2019-07-19 | 2019-09-24 | 太原理工大学 | Cyclone interior flow field measurement method and system based on 2 dimension PIV |
| WO2020019586A1 (en) * | 2018-07-24 | 2020-01-30 | 江苏大学 | Visual test bed device with rotary inflow channel for turbulent combustion with low heat loss |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070119125A (en) * | 2006-06-14 | 2007-12-20 | 현대중공업 주식회사 | Stirring device and technique on driving out of air-bubble and keeping flow turbulence of tank water in experiment |
| JP2012112263A (en) * | 2010-11-22 | 2012-06-14 | Nippon Soken Inc | Control device of internal combustion engine |
| CN103017999A (en) * | 2012-12-07 | 2013-04-03 | 大连海事大学 | Flow field characteristic experiment device of combustion chamber of hydrogen-burning gas turbine |
| CN103048114A (en) * | 2012-12-19 | 2013-04-17 | 浙江大学 | Testing device and method for three-dimensional PIV (Particle Image Velocimetry) internal flow field testing system of hydraulic retarder |
| CN203658013U (en) * | 2014-01-15 | 2014-06-18 | 大连海事大学 | Experimental device used for studying flow features of low swirl burner |
-
2014
- 2014-01-15 CN CN201410018561.4A patent/CN103712774B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070119125A (en) * | 2006-06-14 | 2007-12-20 | 현대중공업 주식회사 | Stirring device and technique on driving out of air-bubble and keeping flow turbulence of tank water in experiment |
| JP2012112263A (en) * | 2010-11-22 | 2012-06-14 | Nippon Soken Inc | Control device of internal combustion engine |
| CN103017999A (en) * | 2012-12-07 | 2013-04-03 | 大连海事大学 | Flow field characteristic experiment device of combustion chamber of hydrogen-burning gas turbine |
| CN103048114A (en) * | 2012-12-19 | 2013-04-17 | 浙江大学 | Testing device and method for three-dimensional PIV (Particle Image Velocimetry) internal flow field testing system of hydraulic retarder |
| CN203658013U (en) * | 2014-01-15 | 2014-06-18 | 大连海事大学 | Experimental device used for studying flow features of low swirl burner |
Non-Patent Citations (1)
| Title |
|---|
| 邓洋波等: "低旋流燃烧和流动特性数值模拟研究", 《大连海事大学学报》, vol. 35, no. 4, 30 November 2009 (2009-11-30) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236844A (en) * | 2014-09-17 | 2014-12-24 | 东方电气(广州)重型机器有限公司 | High-flow air fluid testing system for nuclear power plant MSR |
| CN105170347A (en) * | 2015-10-09 | 2015-12-23 | 江苏英瑞环保科技有限公司 | Absorption tower hedging whirlcone |
| WO2020019586A1 (en) * | 2018-07-24 | 2020-01-30 | 江苏大学 | Visual test bed device with rotary inflow channel for turbulent combustion with low heat loss |
| CN110274749A (en) * | 2019-07-19 | 2019-09-24 | 太原理工大学 | Cyclone interior flow field measurement method and system based on 2 dimension PIV |
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| CN103712774B (en) | 2016-03-02 |
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