CN2038551U - Double working-substance steam-gas turbine - Google Patents
Double working-substance steam-gas turbine Download PDFInfo
- Publication number
- CN2038551U CN2038551U CN 88212566 CN88212566U CN2038551U CN 2038551 U CN2038551 U CN 2038551U CN 88212566 CN88212566 CN 88212566 CN 88212566 U CN88212566 U CN 88212566U CN 2038551 U CN2038551 U CN 2038551U
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- China
- Prior art keywords
- gas
- turbine
- steam
- firing chamber
- air compressor
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Abstract
The utility model discloses the double-working-substance turbine of steam and fuel gas. The utility model, which belongs to the class of heating power turbine engines, is composed of three large parts of a centrifugal air compressor, a centripetal turbine and a combustion chamber, wherein, the air compressor and the back of the turbine are connected through a coaxial blade-sharing wheel; the combustion chamber is positioned on the upper part of the complete machine; the gas inlet of the combustion chamber is connected with the gas outlet of the air compressor; the gas outlet of the combustion chamber is connected with the gas inlet of the turbine. The combustion end of the combustion chamber is used for the gas and the fuel oil to be ignited and burnt, and fuel gas is produced. The end where steam occurs is used for water to enter a spiral pipe, and liquefied gas produces the steam, high-temperature fuel gas and high-pressure steam, which are mixed in the gas-in pipeline of the turbine. The mixed gas current enters the turbine and applies work. The utility model has the advantages of simple and compact structure, high thermal efficiency.
Description
The utility model belongs to heating power turbogenerator class.
Now in the medium and small motor that uses, the most general with diesel oil, gasoline piston IC engine, oil consumption generally 180 gram/horsepower/hour, thermal efficiency height, machine weighs and the horsepower ratio, 3 to 1 to 10 to 1, complex structure, part is various in addition, and production, assembling, operation technique require high.Gas turbine is extensive use of in aviation, and its type is light and handy, and power is big, is used for ground, increases regenerator, adopts multiaxis group supercharging pressurized air, and the thermal efficiency has raising, but complex structure.It is quite wide that steam turbine is used for generating, can burn coal, and the thermal efficiency is higher, is external combustion power, and model structure is huge.
The purpose of this utility model provides a kind of employing steam, combustion gas duplex matter, the internal combustion structure of mixing the back acting in body, thermal efficiency height, the novel gas-turbine of compact structure.
The utility model gas-turbine, by centrifugal air compressor, (radially) gas-turbine entad, the firing chamber, steam generator is formed.Centrifugal air compressor and gas-turbine connect for leaning against coaxial impeller altogether, and the one side of movable vane wheel is the air compressor blade of calming the anger, and another side is a blade of gas turbine, is contained on the main shaft, and movable vane is taken turns and is in two center positions that lean against volute.The firing chamber is in complete machine top, and air inlet of combustion chamber and air compressor air outlet join, and relief opening and gas-turbine suction port join.Steam generator is made up of the spiral evaporating pipe, the pipeline inner face that the position joins at air outlet, firing chamber and gas-turbine suction port.
Its working procedure: by centrifugal air compressor pressurized air, pass through diffusion, send into the firing chamber, advance the air in the firing chamber, a part is through air swirler, go into the internal layer flame tube, form swirling eddy, mix ignition with fuel oil (diesel oil) in spurting into, the high-temperature fuel gas of burning flows to an end of exhaust combustion chamber.Another part air through firing chamber internal flame outer tube layer, flows to exhaust combustion chamber one end.The flame tube outer gas flow plays the effect of cooling flame tube wall, replenishes air simultaneously and impels sufficient combustion, the flow of the negative pressure desired gas that occurs when replenishing vapour injection besides.End at exhaust combustion chamber, the steam generation chamber of being made up of volute just is to be supplied water in the spiral evaporating pipe by pressure pump, and gasification is heated, form high compressed steam, by steam nozzle and nozzle, spray at the gas-turbine admission line, with combustion gas mixing, mixed airflow is by gas-turbine guide vane guiding, spray on the gas turbine impeller blade, promote the impeller operation acting, discharge then.
Accompanying drawing: figure one is the utility model Facad structure schematic representation
Figure two cuts open schematic representation for the utility model side office
Illustrate with reference to the accompanying drawings the utility model embodiment is narrated.
The centrifugal air compressor of the utility model gas-turbine, by volute (1), end cap and air inlet duct (2), diffusion blade (3), movable vane is taken turns the blade (4) of calming the anger, main shaft (5), bearing support (6), bearing (watt) assembly (7), power output gear (8) is formed.
Gas-turbine, by volute (9), end cap and outlet pipe one (10), puff prot guide vane (11) in the volute, movable vane wheel (12), blade (13), fixedly impeller nut compositions such as (14).
Centrifugal air compressor and gas-turbine connect for leaning against coaxial impeller altogether, and the one side of movable vane wheel is the air compressor blade of calming the anger, and another side is a blade of gas turbine, and the movable vane that is contained on the main shaft is taken turns, and is in two center positions that lean against volute.
The firing chamber is in the top of complete machine, its suction port (16) joins with air compressor air outlet (1), relief opening (17) joins with gas-turbine suction port (29), combustor outer casing (15) is horizontal, suction port (16) air outlet (17) is 90 degree sectors, at suction port one end, by flame tube (18), cyclone separator (19), insulation cover (20) is formed the internal layer firing chamber, oil injecting nozzle (21) is contained on the combustor outer casing end cap (22), and the spray orifice of nozzle is aimed at the cyclone separator center tube, makes oil spout directly go into internal layer, igniter is contained in flame window (23), window has the garden pipe to introduce the flame of igniting equally, advances the igniting of internal layer firing chamber, and insulation cover is a funnel shape, the discharge of blockading the internal layer combustion gas, insulation cover is two-layer, between firing chamber internal layer and the skin, is the air flow channel in space.
Steam generator is made up of spiral evaporating pipe (24), the position is at air outlet, firing chamber and gas-turbine admission line inner face, evaporating pipe is installed at first to spiral by by the gas-turbine admission line wall, there is half to spiral and stretches into the inner face of air outlet, firing chamber one end, one end of spiral evaporating pipe stretches out outside the gas-turbine air inlet tube wall, joins with water pipe bolt (25) welding.The other end is air jet pipe (26), connects nozzle (28), and air jet pipe stretches to gas-turbine admission line center position from combustor exit, the direction of spraying in the gas-turbine by nozzle.
The dependency relation of firing chamber and steam generator.Water in the steam generator tube is the heat of emitting by combustion chambers burn, makes aquation vapour, forms 3.5-5kgf/cm
2Pressure, pass through pipeline, spray in combustor exit flame center, the steam of high pressure mixes with the combustion gas of high temperature, the flow velocity that steam and mixed airflow enter in the gas-turbine strengthens, and the firing chamber this bring out existing negative pressure, for stable and maintenance high-temp and high-strength burning, internal and external layer is divided in the firing chamber, and flame burns at internal layer, two-layer insulation cover is installed in outlet additional, choked flow combustion gas steam negative pressure off guard siphons away in a large number, and the required additional air-flow of steam negative pressure, the air of sending into by air compressor in the outer laminar flow road, direct current goes out combustor exit, replenishes steam negative pressure desired gas flow.
The utility model is simple and compact for structure attractive in appearance, and the thermodynamic cycle overall process is the internal combustion engine that is carried out in body by air inlet, compression, expansion pressure, fuel feeding burning, steam generation, double-work medium mixing, injection acting, 8 links of exhaust.
The utility model gas-turbine, the principle of the raising thermal efficiency. Strange according to Soviet Union expert Su Helisi Novi---C, A, XPncrahobny propose theoretically, and double-work medium is united circulation, and the thermal efficiency can reach 43-45%. Be a kind of promising prime mover, unite circulation at middle-size and small-size gas-turbine. Can significantly improve the thermal efficiency.
The utility model gas-turbine after test, confirms to raise the efficiency from four aspects, reaches energy-conservation.
1, vapor tension height, the fuel gas temperature height, two kinds of working medium are mixed, and after the interior energy balance, temperature is than steam height, and pressure ratio combustion gas height has formed perfect gas.
2, steam enters gas-turbine, not by air compressor, but supplies water, aquation gas is to increase volume by the mole constant, so the consumed power of water pump is than air compressor wasted work much less, the mixed airflow of acquisition, increased pressure, volume flow and weight flow increase exponentially, and have improved effective thermal efficiency.
3, the negative pressure that causes of high flow rate steam strengthens the exhaust combustion chamber flow velocity, to air compressor air feed state, reduces supply gas pressure, increases air mass flow, and efficiency curve is in efficient state.
4, the backheat of combustion gas wheel, the compressed-air actuated structure of multiaxis group supercharging can be saved, and reduces the wasted work of each structure, simplifies the model structure complexity.
Calculate from the design, the thermal efficiency can reach 40.2%.The basic data that obtains from test is as follows: (illustrate: test conditions is relatively poor)
Revolution: 27000 rev/mins
Air compressor supply gas pressure: 1.5-2kgf/cm
2
Vapor tension: 3.5-4kgf/cm
2
For fuel pressure: 110-140kgf/cm
2(chewing) with Diesel engine pump
Fuel consumption: 180 gram/horsepower/hour about
The no oil smoke that burns is discharged.
Mixed gas initial temperature: become obvious kermesinus, estimate 550 °---600 ℃
For fuel oil and water supply ratio, near 1:1.
The requirement of this novel gas-turbine process materials is decided from structure and test parameters, selects comparable gas turbine low to material.As impeller is Cr
13Si
3, main shaft is Cr
11MOV.Technological requirement, owing to operate as at a high speed, at key components such as impeller, main shaft, reduction gear, still identical with combustion gas wheel manufacturing process.Manufacturers such as the large and medium-sized automobile making of China, power manufacturing are can bear fully at present.
Application area of the present utility model can be used for car, ship, small power generation, agricultural various power such as draw water.Applied widely.
Figure of description figure number title
1, air compressor machine volute and gas outlet 14, fixing impeller nut
2, air compressor end cap and air inlet lead 15, chamber configuration
Pipe fitting 16, air inlet of combustion chamber
3, air compressor diffusion blade 17, air outlet, firing chamber
4, calm the anger blade 18, flame tube of air compressor impeller
5, main shaft 19, cyclone separator
6, bearing support 20, insulation cover
7, bearing (watt) assembly 21, oil injecting nozzle
8, power output gear 22, combustor outer casing end cap
9, gas-turbine volute 23, igniter are installed window
10, gas-turbine end cap and outlet pipe 24, spiral evaporating pipe and steam generation chamber
Integral piece 25, water-supplying mouth water pipe bolt
11, jetly in the gas-turbine volute lead 26, the steam injection pipe
To blade 27, flame tube shell vent
12,1 of air compressor, gas-turbine, steam nozzle
Body spare movable vane wheel 29, gas-turbine volute suction port
13, gas turbine impeller blade 30, air compressor suction port
Claims (2)
1, a kind of steam-combustion gas duplex matter gas-turbine, comprise centrifugal air compressor and entad (warp-wise) gas-turbine, air compressor and gas-turbine lean against coaxial altogether impeller and connect, it is characterized in that in pneumatics and dress firing chamber, gas-turbine top, the suction port of firing chamber and air compressor air outlet join, the air outlet of firing chamber and gas-turbine suction port join, in both connecting parts, steam generator [24] has been installed
The suction port of firing chamber [16] air outlet [17] is 90 ° of sectors, at suction port one end, by flame tube [18], cyclone separator [19], insulation cover [20] is formed the internal layer firing chamber, and oil injecting nozzle [21] is contained on the firing chamber outer end cap [22], and nozzle opening and cyclone separator center tube join, make oil spout directly go into internal layer, the flame that igniter is contained in flame window [23] window has pipe to introduce igniting equally advances internal layer.Insulation cover [20] is a funnel shape, the discharge of semiclosed choked flow internal layer combustion gas, and insulation cover is two-layer, between firing chamber internal layer and the skin, is the gas flow in space.
2, gas-turbine according to claim 1, it is characterized in that steam generator is made up of spiral evaporating pipe (24), the position is at the inner face at exhaust outlet of combustion chamber (17) one ends and gas-turbine admission line place, evaporating pipe at first spirals and installs against gas-turbine admission line wall, has half to spiral and stretches in the exhaust outlet of combustion chamber.One of spiral evaporating pipe, outside gas-turbine air inlet tube wall, join with water pipe bolt (25) welding, the other end is a puff prot, promptly being steam jeting tube (26), is this end of high-temperature fuel gas of discharging from the firing chamber, and steam nozzle is in the gas flow center, directly stretch to gas-turbine admission line center position, spout is gone into the gas direction towards gas-turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88212566 CN2038551U (en) | 1988-05-07 | 1988-05-07 | Double working-substance steam-gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88212566 CN2038551U (en) | 1988-05-07 | 1988-05-07 | Double working-substance steam-gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2038551U true CN2038551U (en) | 1989-05-31 |
Family
ID=4845853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88212566 Withdrawn CN2038551U (en) | 1988-05-07 | 1988-05-07 | Double working-substance steam-gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2038551U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128925C (en) * | 1998-08-14 | 2003-11-26 | 辛兆学 | Water-spraying engine |
| CN102383939A (en) * | 2011-10-19 | 2012-03-21 | 深圳智慧能源技术有限公司 | Multi-working-medium turbine engine |
| CN102900529A (en) * | 2012-11-06 | 2013-01-30 | 通化师范学院 | Method for cooling and efficiency improvement of double-working-medium combined cycle turbine |
| CN102966975A (en) * | 2012-11-06 | 2013-03-13 | 通化师范学院 | Infrared low-temperature combustion device and method of dual working medium combined-cycle turbine |
| CN103306639A (en) * | 2013-05-31 | 2013-09-18 | 孔祥真 | Turbine heater |
| CN101059101B (en) * | 2006-04-18 | 2015-06-03 | 通用电气公司 | Gas turbine inlet conditioning system and method |
| CN105444206A (en) * | 2016-01-25 | 2016-03-30 | 西北工业大学 | Fin type evaporating pipe for micro-engine combustor |
-
1988
- 1988-05-07 CN CN 88212566 patent/CN2038551U/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128925C (en) * | 1998-08-14 | 2003-11-26 | 辛兆学 | Water-spraying engine |
| CN101059101B (en) * | 2006-04-18 | 2015-06-03 | 通用电气公司 | Gas turbine inlet conditioning system and method |
| CN102383939A (en) * | 2011-10-19 | 2012-03-21 | 深圳智慧能源技术有限公司 | Multi-working-medium turbine engine |
| CN102900529A (en) * | 2012-11-06 | 2013-01-30 | 通化师范学院 | Method for cooling and efficiency improvement of double-working-medium combined cycle turbine |
| CN102966975A (en) * | 2012-11-06 | 2013-03-13 | 通化师范学院 | Infrared low-temperature combustion device and method of dual working medium combined-cycle turbine |
| CN102900529B (en) * | 2012-11-06 | 2015-07-01 | 通化师范学院 | Method for cooling and efficiency improvement of double-working-medium combined cycle turbine |
| CN102966975B (en) * | 2012-11-06 | 2015-09-30 | 通化师范学院 | Double working medium combination circulate turbomachine infrared ray low-temperature burning device and method |
| CN103306639A (en) * | 2013-05-31 | 2013-09-18 | 孔祥真 | Turbine heater |
| CN103306639B (en) * | 2013-05-31 | 2015-10-07 | 孔祥真 | Turbine heater |
| CN105444206A (en) * | 2016-01-25 | 2016-03-30 | 西北工业大学 | Fin type evaporating pipe for micro-engine combustor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |