CN206847952U - A kind of gas-turbine combustion chamber analogue experiment installation - Google Patents
A kind of gas-turbine combustion chamber analogue experiment installation Download PDFInfo
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- CN206847952U CN206847952U CN201720736056.2U CN201720736056U CN206847952U CN 206847952 U CN206847952 U CN 206847952U CN 201720736056 U CN201720736056 U CN 201720736056U CN 206847952 U CN206847952 U CN 206847952U
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Abstract
The utility model discloses a kind of gas-turbine combustion chamber analogue experiment installation, including oil passage, supply road, controller, simulated combustion room and oil return line.Flow control valve, mass flowmenter and nozzle are set in oil passage, for adjusting fuel supply flow rate；Air compressor that supply route is sequentially connected, air accumulator, it is air-dried filter, filtering pressure reducing valve, high-voltage electrical apparatus proportioning valve, vacuum and is formed with moisture filter；Simulated combustion room is equipped with fluid level transmitter, pressure transmitter and safety air vavle, and simulated combustion room includes 4 visual windows；Unloading valve and safety valve are set on oil return line.Gas-turbine combustion chamber analogue experiment installation described in the utility model, it is possible to achieve the simulation of gas turbine difference operating mode lower combustion chamber pressure, so as to realize more really and accurately fuel oil control and fuel atomization effect visual observation.
Description
Technical field
It the utility model is related to industry gas turbine technical field, more particularly to a kind of gas-turbine combustion chamber simulated experiment
Device.
Background technology
Combustion chamber is the heart of gas turbine, therefore the simulation of combustion chamber fuel feeding experiment is had important practical significance.
With the difference of gas turbine operation operating mode, the pressure in combustion chamber is continually changing, i.e., the pressure after nozzle is change,
This will necessarily cause the fluctuation of fuel supply flow rate, especially be become apparent in starting, parking and acceleration and deceleration stage, this influence, therefore
Simulation to internal pressure of combustion chamber is most important.Traditional test method is that pressure difference and flow are converted, and is sprayed using equivalent
Mouth carries out simulated experiment, and is only capable of testing the operating mode of steady state point.
Igniting and efficiency of combustion of the atomizing effect of fuel oil for gas turbine have important influence, true burning
Room can not measure because temperature, pressure is higher to its inner parameter, while also be not easy to observe atomizing effect.
In view of this, the utility model proposes a kind of gas-turbine combustion chamber analogue experiment installation, it is possible to achieve fuel spray
The visual observation of change, pressure simulation in different operating mode lower combustion chamber, so as to obtain more accurate fuel supply rate curve.
Utility model content
The utility model aims to provide a kind of gas-turbine combustion chamber analogue experiment installation, more can really simulate combustion
Changing rule of the room pressure with gas turbine operation operating mode is burnt, and can intuitively observe the atomizing effect of fuel oil, improves combustion
The accuracy and security of gas-turbine fuel supply rate curve simulated experiment, reduce the cost and risk of complete machine test run.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of gas-turbine combustion chamber analogue experiment installation, including simulated combustion room, controller, oil passage, supply road with
Oil return line, it is characterised in that
Flow control valve, mass flowmenter are set gradually in the oil passage, the end of the oil passage is with being arranged on institute
The nozzle connection in simulated combustion room is stated, for controlling and measuring the fuel flow of feeding simulated combustion room in real time；
The supply road is arranged between air compressor and simulated combustion room, is supplied and is sequentially provided with air accumulator, sky on road
Gas device for drying and filtering, filtering pressure reducing valve, high-voltage electrical apparatus proportioning valve, vacuum moisture filter；
Pressure transmitter, fluid level transmitter and safety air vavle are equiped with the simulated combustion room；
The oil return line is provided with automatically controlled unloading valve and safety valve in parallel；
High-voltage electrical apparatus proportioning valve on the supply road electrically connects with the controller, for being exported according to the controller
Control signal regulation enter the simulated combustion room supply gas pressure.
Further, it is 5MPa that maximum pressure is born in the design of simulated combustion room, bears each operating condition of gas turbine enough
The maximum of lower combustion chamber's pressure.
Preferably, the simulated combustion room is surrounded by visual windows, for observing the atomizing effect of injection fuel oil.
Further, safety air vavle is pressure-control valve, to limit simulated combustion gas pressure inside；The safety valve
For pressure-control valve, to limit oil liquid pressure in simulated combustion room.Preferably, the pressure threshold of the safety air vavle is set as
1.3MPa, the pressure threshold of the safety valve are set as 1.5MPa.
Further, fuel flow signal is fed back to controller by mass flowmenter, and controller passes fuel flow data
Gas Turbine Simulation model is passed, Gas Turbine Simulation model passes data to controller after calculating chamber pressure, control
Device processed is according to the supply gas pressure of corresponding Signal Regulation high-voltage electrical apparatus proportioning valve.
The beneficial effects of the utility model：Can more real simulated combustion room pressure with gas turbine operation operating mode
Changing rule, and can intuitively observe the atomizing effect of fuel oil, improve the accurate of gas turbine fuel supply rate curve simulated experiment
Property and security, reduce the cost and risk of complete machine test run.
Brief description of the drawings
Fig. 1 is the schematic diagram of gas-turbine combustion chamber analogue experiment installation of the present utility model.
Embodiment
The utility model is described in further detail with reference to embodiment, following examples are to the utility model
Explanation and the utility model is not limited to following examples.
As shown in figure 1, gas-turbine combustion chamber analogue experiment installation of the present utility model, including oil passage A, supply road B,
Oil return line C and simulated combustion room 4.Flow control valve 1, mass flowmenter 2, multiple nozzles 3 are set gradually on oil passage A, is used for
Control in real time and measurement fuel flow, and by spraying into simulated combustion room 4 after nozzle atomization.
Supply road B is arranged between air compressor 5 and simulated combustion room 4, supplies and air accumulator 6, sky are sequentially provided with the B of road
Gas device for drying and filtering 7, filtering pressure reducing valve 8, high-voltage electrical apparatus proportioning valve 9, vacuum moisture filter 10.When equipment works, first
Compressed air is filled with air accumulator 6 by air compressor 5, and after gas has certain pressure in air accumulator 6, air compressor 5 stops
Only work, as auxiliary source of the gas, air accumulator 6 is used as source of the gas.Gases at high pressure feeding is air-dried filter 7 and carried out by air accumulator 6
Water removal, gas is sent to high-voltage electrical apparatus proportioning valve 9 by filtering pressure reducing valve 8 afterwards, is passed through according to the regulation of the input signal of controller 14
The supply gas pressure of high-voltage electrical apparatus proportioning valve 9, the gas after pressure regulation are passed through simulation after vacuum is filtered again with moisture filter 10
Combustion chamber 4.
Oil return line C is provided with automatically controlled unloading valve 11 and safety valve 12 in parallel.To be normally opened during automatically controlled 11 normal work of unloading valve
State, when the inner fluid pressure of simulated combustion room 4 exceedes 12 given threshold 1.5MPa of safety valve, safety valve 12 carries out emptying guarantor
Shield.
Pressure transmitter 16, fluid level transmitter 17 and safety air vavle 13 are housed on simulated combustion room 4.Pressure transmitter 16 is used
In gas pressure in monitoring simulated combustion room 4, fluid level transmitter 17 is used to monitor fuel liquid level height in simulated combustion room 4, peace
Full air valve 13 carries out action protection when air pressure is more than 1.3MPa in simulated combustion room 4.
It is 5MPa that maximum pressure is born in the design of simulated combustion room 4, and the value is pressed more than gas turbine declared working condition lower combustion chamber
Power 1.1MPa and each safety valve action pressure threshold.
Simulated combustion room 4 is surrounded by visual windows, for observing the atomizing effect of injection fuel oil.
Fuel flow signal is fed back to controller 14 by mass flowmenter 2, and controller 14 gives fuel flow data transfer
Gas Turbine Simulation model 15, Gas Turbine Simulation model 15 pass data to controller 14 after calculating chamber pressure,
Controller 14 is according to the supply gas pressure of corresponding Signal Regulation high-voltage electrical apparatus proportioning valve 9.The internal pressure of combustion chamber 4 is verified by this method
Influence of the power to fuel flow, and then obtain the fuel supply rate curve under gas turbine difference operating condition.
Preferred embodiment of the present utility model is the foregoing is only, not limiting the utility model, Fan Yiben
The equivalent or simple change that the utility model patent design construction, feature and principle are done, it is special to be included in the utility model
In the protection domain of profit.The utility model person of ordinary skill in the field can do various to described specific embodiment
The modification of various kinds or supplement are substituted using similar mode, without departing from structure of the present utility model or surmount this right
Scope defined in claim, the scope of protection of the utility model all should be belonged to.
Claims (4)
1. a kind of gas-turbine combustion chamber analogue experiment installation, including simulated combustion room (4), controller (14), oil passage (A),
Supply road (B) and oil return line (C), it is characterised in that
Set gradually flow control valve (1), mass flowmenter (2) on the oil passage (A), the end of the oil passage (A) with
Nozzle (3) connection being arranged in the simulated combustion room (4), the simulated combustion room is sent into for controlling and measuring in real time
(4) fuel flow；
Supply road (B) is arranged between air compressor (5) and simulated combustion room (4), is set successively on supply road (B)
There is air accumulator (6), be air-dried filter (7), filtering pressure reducing valve (8), high-voltage electrical apparatus proportioning valve (9), vacuum moisture filter
Device (10)；
The simulated combustion room (4) is provided with pressure transmitter (16), fluid level transmitter (17) and safety air vavle (13)；
The oil return line (C) is provided with automatically controlled unloading valve (11) and safety valve (12) in parallel；
High-voltage electrical apparatus proportioning valve (9) on supply road (B) electrically connects with the controller (14), for according to the control
The control signal regulation of device (14) output enters the supply gas pressure of the simulated combustion room (4).
2. gas-turbine combustion chamber analogue experiment installation according to claim 1, it is characterised in that：The simulated combustion room
(4) visual windows are surrounded by, for observing the atomizing effect of injection fuel oil.
3. gas-turbine combustion chamber analogue experiment installation according to claim 1, it is characterised in that：
The safety air vavle (13) is pressure-control valve, to limit the gas pressure in the simulated combustion room (4)；The peace
Full valve (12) is pressure-control valve, to limit the oil liquid pressure in the simulated combustion room (4).
4. gas-turbine combustion chamber analogue experiment installation according to claim 1, it is characterised in that：
Fuel flow signal is fed back to the controller (14) by the mass flowmenter (2), and the controller (14) is by fuel oil
Data on flows passes to Gas Turbine Simulation model (15), after the Gas Turbine Simulation model (15) calculates chamber pressure
The controller (14) is passed data to, the controller (14) is according to corresponding Signal Regulation high-voltage electrical apparatus proportioning valve (9)
Supply gas pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720736056.2U CN206847952U (en) | 2017-06-22 | 2017-06-22 | A kind of gas-turbine combustion chamber analogue experiment installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720736056.2U CN206847952U (en) | 2017-06-22 | 2017-06-22 | A kind of gas-turbine combustion chamber analogue experiment installation |
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| CN206847952U true CN206847952U (en) | 2018-01-05 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270208A (en) * | 2018-10-09 | 2019-01-25 | 内蒙航天动力机械测试所 | Liquid fuel igniting pilot system |
| CN109885023A (en) * | 2019-02-21 | 2019-06-14 | 杭州汽轮动力集团有限公司 | A kind of gas turbine control system semi-physical simulation test system |
| CN110487558A (en) * | 2019-09-23 | 2019-11-22 | 楼蓝科技(苏州)有限公司 | A kind of high temperature and pressure test system for gas-turbine combustion chamber |
| CN111337260A (en) * | 2020-02-24 | 2020-06-26 | 武汉理工大学 | Combustion bomb gas distribution system and method |
| CN111426482A (en) * | 2020-05-06 | 2020-07-17 | 湖南汉能科技有限公司 | Aeroengine combustion chamber test bench |
| CN112304857A (en) * | 2020-12-02 | 2021-02-02 | 中船重工重庆液压机电有限公司 | Oil mist test device |
| CN113049253A (en) * | 2019-12-10 | 2021-06-29 | 中国航发商用航空发动机有限责任公司 | Nozzle simulation device and fuel system experiment platform |
| CN113514251A (en) * | 2021-07-23 | 2021-10-19 | 四川大学 | Engine combustion chamber high-temperature exhaust experimental device based on dual-fuel multi-stage combustion |
-
2017
- 2017-06-22 CN CN201720736056.2U patent/CN206847952U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270208A (en) * | 2018-10-09 | 2019-01-25 | 内蒙航天动力机械测试所 | Liquid fuel igniting pilot system |
| CN109885023A (en) * | 2019-02-21 | 2019-06-14 | 杭州汽轮动力集团有限公司 | A kind of gas turbine control system semi-physical simulation test system |
| CN109885023B (en) * | 2019-02-21 | 2020-10-27 | 杭州汽轮动力集团有限公司 | Semi-physical simulation test system of gas turbine control system |
| CN110487558A (en) * | 2019-09-23 | 2019-11-22 | 楼蓝科技(苏州)有限公司 | A kind of high temperature and pressure test system for gas-turbine combustion chamber |
| CN113049253A (en) * | 2019-12-10 | 2021-06-29 | 中国航发商用航空发动机有限责任公司 | Nozzle simulation device and fuel system experiment platform |
| CN113049253B (en) * | 2019-12-10 | 2023-08-04 | 中国航发商用航空发动机有限责任公司 | Nozzle simulation device and fuel system experiment platform |
| CN111337260A (en) * | 2020-02-24 | 2020-06-26 | 武汉理工大学 | Combustion bomb gas distribution system and method |
| CN111337260B (en) * | 2020-02-24 | 2021-03-16 | 武汉理工大学 | Combustion bomb gas distribution system and method |
| CN111426482A (en) * | 2020-05-06 | 2020-07-17 | 湖南汉能科技有限公司 | Aeroengine combustion chamber test bench |
| CN111426482B (en) * | 2020-05-06 | 2021-03-23 | 湖南汉能科技有限公司 | Aeroengine combustion chamber test bench |
| CN112304857A (en) * | 2020-12-02 | 2021-02-02 | 中船重工重庆液压机电有限公司 | Oil mist test device |
| CN113514251A (en) * | 2021-07-23 | 2021-10-19 | 四川大学 | Engine combustion chamber high-temperature exhaust experimental device based on dual-fuel multi-stage combustion |
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