CN104374438B - The air-flow detection method of lightweight gas turbine combustion chamber burner - Google Patents
The air-flow detection method of lightweight gas turbine combustion chamber burner Download PDFInfo
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- CN104374438B CN104374438B CN201410583447.6A CN201410583447A CN104374438B CN 104374438 B CN104374438 B CN 104374438B CN 201410583447 A CN201410583447 A CN 201410583447A CN 104374438 B CN104374438 B CN 104374438B
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Abstract
The airflow detecting device and its detection method of lightweight gas turbine combustion chamber burner, it is related to a kind of airflow detecting device and its detection method.The present invention seeks to for solve it is existing to lightweight gas turbine combustion chamber burner without special detection means to be detected without special detection method to it the problem of.One end of the flowmeter is connected with the first connecting tube, and stop valve is provided with the first connecting tube, and the other end of the flowmeter is sequentially communicated with the second connecting tube, the first enlarging body, the second enlarging body, gas collection guide cylinder and nozzle flange for connection.The detection method includes step one：Cleaning；Step 2：Remove water work；Step 3：Adjust work；Step 4：Record data works；Step 5：Evaluation work；Step 6：The detection work at another gas circuit end of nozzle.The present invention is the apparatus and method for the air-flow detection work for being exclusively used for lightweight gas turbine combustion chamber burner.The present invention is used for the gas flow for detecting type gas-turbine combustion chamber nozzle.
Description
Technical field
Present invention relates particularly to a kind of air-flow detection method of lightweight gas turbine combustion chamber burner.
Background technology
Gas-turbine combustion chamber nozzle is, by the good combination of fuel and air, to accelerate the burning speed of fuel in a combustion chamber
Degree, improves the utilization rate of fuel.In gas-turbine combustion chamber, if orifice gas flow can not meet requirement, air with
In fuel mixed process, it may appear that fuel is mixed with air is improper, it is insufficient to be atomized, it is possible to cause gas turbine flame-out or
The combustion instability phenomenon such as flame pulsation, efficiency of combustion also will not be very high.Therefore combustion chamber burner gas flow is directly influenced
, easily there is compressed air pressure shakiness, measuring instrument for combustion chamber burner detection of gas flow rate in the overall performance of gas turbine
The problems such as reading is inaccurate, using compressed air by two flared sections and the gas-detecting device of a barretter, forms pressure
Power meets the air of the dynamic steady state of test requirements document, and the dynamic steady state air that pressure meets test requirements document flows through flange
The combustion chamber burner of clamping, passes through the pressure difference transmitter and intelligence on thermal resistance, pressure transmitter, integrated Wen's conical pipe flowmeter
The measurement of energy digital display integrating instrument, completes detection of gas flow rate work, improves the precision of combustion chamber burner detection of gas flow rate.
The content of the invention
It is existing to solve it is an object of the invention to provide a kind of air-flow detection method of lightweight gas turbine combustion chamber burner
To lightweight gas turbine combustion chamber burner without special detection means to be detected without special detection method to it the problem of.
The present invention adopts the technical scheme that to solve above-mentioned technical problem：
The airflow detecting device of the lightweight gas turbine combustion chamber burner includes flowmeter, the first enlarging body, second
Enlarging body, gas collection guide cylinder, nozzle flange for connection, stop valve, stop valve flange for connection, the first connecting tube and
Two connecting tubes, temperature detector, pressure transmitter and differential pressure transmitter, one end of the flowmeter are connected with the first connecting tube,
First connecting tube is connected by stop valve flange for connection with stop valve, and the other end of the flowmeter is sequentially communicated with
Second connecting tube, the first enlarging body, the second enlarging body, gas collection guide cylinder and nozzle flange for connection, the temperature inspection
Survey device and pressure transmitter is connected with the first connecting tube, differential pressure transmitter is installed on the flowmeter.
The air-flow detection method of the lightweight gas turbine combustion chamber burner is realized according to following steps：
Step one：Cleaning：First lightweight gas turbine combustion chamber burner is placed in ultrasonic cleaning apparatus
Row cleaning, then by stop valve, stop valve flange for connection, the first connecting tube, flowmeter, the second connecting tube, the first enlarging
Body, the second enlarging body, gas collection guide cylinder are sequentially connected with nozzle flange for connection, then by lightweight gas turbine combustion chamber
One gas circuit end of nozzle is connected on nozzle flange for connection by auxiliary connecting device；
Step 2：Remove water work：The stop valve is first turned on, then dry compressed air is passed into by stop valve
The sky that first connecting tube, flowmeter, the second connecting tube, the first enlarging body, the second enlarging body and gas collection guide cylinder are constituted
In chamber, regulation pressure is in 0.15~0.25MPa and is kept for 0.2~0.5 hour；
Step 3：Adjust work：The airflow detecting device of the lightweight gas turbine combustion chamber burner is maintained at step
Under airtight conditions in two, in the state of stop valve opening, air-flow is entered by the first enlarging body and the second enlarging body
In gas collection guide cylinder, the first pressure table in second connecting tube and the second pressure table on the gas collection guide cylinder
Under monitoring, stop valve, the first gate valve and the second gate valve in the first connecting tube of adjustment, wherein first pressure table and second pressure table
Precision be 0.0001MPa, range is 0MPa~2MPa, it is ensured that compressed air be in pressure 0.0999MPa~
The dynamic steady state under test requirements document between 0.1001MPa；
Step 4：Regulation pressure will be met in 0.15~0.25MPa and holding 0.2 in pressure in step 2 and step 3
~0.5 hour, ensure that compressed air is in pressure between 0.0999MPa~0.1001MPa and keeps the experiment of at least 1 minute
It is required that dynamic steady state under flow to by auxiliary connecting device in the gas circuit of the lightweight gas turbine combustion chamber burner,
Record simultaneously measured by the differential pressure transmitter on temperature detector, pressure transmitter and the flowmeter in the first connecting tube 8
Data are Gc1, by many instrument signal spools by the data Gc of measurement1Feed back on intelligent digital integrating instrument, in intelligent digital
It is Gc that the mass flow in the lightweight gas turbine combustion chamber burner in step 3 under state is shown on integrating instrument2；
Step 5：Evaluation work：Environment temperature K when the atmospheric pressure P0 under measuring state and measurement is recorded,
Correction formula Gs=Gc will be passed through2Data on × α amendment intelligent digital integrating instruments, correction formula is Gs=Gc2× α, wherein α are
Atmospheric pressure P0 during by testing is calculated with atmospheric temperature K when testing to be obtained, Gc2Shown on intelligent digital integrating instrument 20
Mass flow, you can calculate the flow Gs required under atmospheric conditions；Correction formula Gs=Gc2× α is that effect is the intelligent number of amendment
Data Gc on aobvious integrating instrument2, for being converted to the flow number Gs under standard atmosphere condition；
Step 6：The detection work at another gas circuit end of nozzle：The lightweight gas turbine is fired by auxiliary connecting device
Burn room nozzle another gas circuit end connected with stop valve flange for connection, according to step 2 to step 5 operating process again
Measure the flow value at another gas circuit end of the lightweight gas turbine combustion chamber burner.
Beneficial effects of the present invention：
The present invention is the detection means and detection side for detecting the gas flow in lightweight gas turbine combustion chamber burner
Method.Using cooperatively by the first enlarging body, the second enlarging body and gas collection guide cylinder of the invention, makes compressed air be in pressure
Power meets the dynamic steady state of test requirements document, by the use of flowmeter, effectively increases the inspection of combustion chamber burner gas flow
The precision of survey.The present invention is to aim to detect the gas flow in lightweight gas turbine combustion chamber burner and develop, and has filled up this
Specifically designed for the detection means and the blank of method of gas flow in lightweight gas turbine combustion chamber burner in field, the present invention with
Prior art is compared, and accuracy of detection improves 30%.The integrated flow detector of detection means in the present invention, passes through
The flow detector of integration, is realized to the accurate detection of nozzle flow, measurement data is accurate, stably, reproducible, guarantor
The work of gas turbine safety and stability is demonstrate,proved.It is of the invention simple clear easy to operate, it is easy to use, it is adapted to popularity.
Brief description of the drawings
Fig. 1 is the main structure diagram of the airflow detecting device of lightweight gas turbine combustion chamber burner in the present invention, Fig. 2
It is enlarged drawing at A in Fig. 1.
Embodiment
Embodiment one：Illustrate present embodiment, lightweight gas turbine described in present embodiment with reference to Fig. 1 and Fig. 2
The airflow detecting device of combustion chamber burner include flowmeter 1, the first enlarging body 2, the second enlarging body 3, gas collection guide cylinder 4,
Nozzle flange for connection 5, stop valve 6, stop valve flange for connection 7, the first connecting tube 8 and the second connecting tube 9, temperature inspection
Device 14, pressure transmitter 15 and differential pressure transmitter 17 are surveyed, one end of the flowmeter 1 is connected with the first connecting tube 8, described first
Connecting tube 8 is connected by stop valve flange for connection 7 with stop valve 6, and the other end of the flowmeter 1 is sequentially communicated with second
Connecting tube 9, the first enlarging body 2, the second enlarging body 3, gas collection guide cylinder 4 and nozzle flange for connection 5, the temperature inspection
Survey device 14 and pressure transmitter 15 is connected with the first connecting tube 8, differential pressure transmitter 17 is installed on the flowmeter 1.
First connecting tube 8 described in present embodiment and the second connecting tube 9 are DN40 pipes, the model of stop valve 6
J41H, PN=1.6MPa, stop valve flange for connection 7 are DN40, PN=1.6MPa.Second connection described in present embodiment
Be provided with the first gasket seal 22 between the enlarging body 2 of pipe 9 and first, the first enlarging body 2 and the second enlarging body 3 it
Between be provided with the second gasket seal 23, be provided with the 3rd gasket seal between the second enlarging body 3 and gas collection guide cylinder 4
24, DN250 pad circle 25, the first gasket seal 22, are provided between nozzle flange for connection 5 and gas collection guide cylinder 4
The setting of the pad circle 25 of two gasket seals 23, the 3rd gasket seal 24 and DN250 is to strengthen the gas of airflow detecting device
Close property, being conducive to the present invention, everything goes well with your work effectively carries out to the detection of lightweight gas turbine combustion chamber burner.Present embodiment
It is detachably connected between middle nozzle flange for connection 5, DN250 pad circle 25 and gas collection guide cylinder 4 by screw bolt and nut.
The first enlarging body 2 and the second enlarging body 3 are the conical tube gradually increased from Single port to another port.
Embodiment two：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, flowmeter 1 described in present embodiment is Wen
Conical pipe flowmeter.The integrated Wen's conical pipe flowmeter of Wen's conical pipe flowmeter 1.Other compositions and annexation and specific implementation
Mode one is identical.
Embodiment three：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, light-duty combustion gas wheel described in present embodiment
The airflow detecting device of machine combustion chamber burner also includes the 3rd connecting tube 10, the 4th connecting tube 11, the first gate valve 12, the second gate valve
13rd, the He of the 3rd connecting tube 10 is communicated with needle valve 16, first pressure table 18 and second pressure table 19, first connecting tube 8
It is provided with 4th connecting tube 11, the 3rd connecting tube 10 in first gate valve 12, the 4th connecting tube 11 and is provided with second
It is provided with needle valve 16, second connecting tube 9 and installs between gate valve 13, the connecting tube 8 of pressure transmitter 15 and first
Have and second pressure table 19 is installed on first pressure table 18, the gas collection guide cylinder 4.
The 3rd connecting tube 10 is managed for DN10 in present embodiment, and the 4th connecting tube 11 is managed for DN15, first lock
The gate valve 13 of valve 12 and second is Z41H-16C gate valves.The needle valve 16 is J23W-160P needle valves.Lead in present embodiment
Cooperation between excess temperature detector 14, pressure transmitter 15, differential pressure transmitter 17, first pressure table 18 and second pressure table 19
Use effective enhancing accuracy of detection of the present invention.Other compositions and annexation are identical with embodiment one and two.
Embodiment four：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, temperature detector described in present embodiment
14 be thermal resistance.Other compositions and annexation are identical with embodiment three.
Embodiment five：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, the light-duty combustion described in present embodiment
The airflow detecting device of gas turbine combustion chamber's nozzle also includes intelligent digital integrating instrument 20 and Duo Gen instrument signals spool 21, described
Temperature detector 14, pressure transmitter 15 and differential pressure transmitter 17 pass through many instrument signal spools 21 and intelligent digital integrating instrument
20 electrical connections.Temperature detector 14 described in present embodiment, pressure transmitter 15 and differential pressure transmitter 17 pass through many instrument
Signal conduit 21 is powered with intelligent digital integrating instrument 20 and is connected, and intelligent digital integrating instrument 20 is Q intelligent digitals in present embodiment
Integrating instrument, the present invention passes through temperature detector 14, pressure transmitter 15, differential pressure transmitter 17, first pressure table 18, second pressure
The application of table 19 and Q intelligent digital integrating instruments, effectively increases the detection essence of lightweight gas turbine combustion chamber burner gas flow
Degree.Other compositions and annexation are identical with embodiment four.
Embodiment six：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, present embodiment methods described is according to following
Step is realized：
Step one：Cleaning：First lightweight gas turbine combustion chamber burner is placed in ultrasonic cleaning apparatus
Row cleaning, then by stop valve 6, stop valve flange for connection 7, the first connecting tube 8, flowmeter 1, the second connecting tube 9, first
Enlarging body 2, the second enlarging body 3, gas collection guide cylinder 4 are sequentially connected with nozzle flange for connection 5, then by light-duty combustion gas wheel
One gas circuit end of machine combustion chamber burner is connected on nozzle flange for connection 5 by auxiliary connecting device；
Auxiliary connecting device in this step includes pneumatic quick-change coupler, adapter, ebonite pipe, the pneumatic quick-change coupler
One end, one end of adapter and ebonite pipe be sequentially communicated, the other end and the nozzle connecting flange of the pneumatic quick-change coupler
Disk 5 is connected, and the other end of the ebonite pipe is connected with a gas circuit end of lightweight gas turbine combustion chamber burner, is connected by nozzle
Make the detection process of the present invention simple to operate with the use of ring flange 5, pneumatic quick-change coupler, adapter, ebonite pipe, labor intensity
It is small, it is adapted to popularity；
Step 2：Remove water work：The stop valve 6 is first turned on, then dry compressed air is passed through by stop valve 6
To the first connecting tube 8, flowmeter 1, the second connecting tube 9, the first enlarging body 2, the second enlarging body 3 and the institute of gas collection guide cylinder 4
In the cavity of composition, regulation pressure is in 0.15~0.25MPa and is kept for 0.2~0.5 hour；Pressure is adjusted in this step to exist
0.2MPa and keep 0.3 hour be optimal；
Step 3：Adjust work：The airflow detecting device of the lightweight gas turbine combustion chamber burner is maintained at step
Under airtight conditions in two, in the state of the opening of stop valve 6, air-flow is entered by the first enlarging body 2 and the second enlarging body 3
Enter in gas collection guide cylinder 4, second on first pressure table 18 and the gas collection guide cylinder 4 in second connecting tube 9
Under the monitoring of pressure gauge 19, stop valve 6, the first gate valve 12 and the second gate valve 13 in the first connecting tube 8 of adjustment, wherein the first pressure
The precision of power table 18 and second pressure table 19 is 0.0001MPa, and range is 0MPa~2MPa, it is ensured that compressed air is in pressure
The dynamic steady state under test requirements document between 0.0999MPa~0.1001MPa；
Step 4：Regulation pressure will be met in 0.15~0.25MPa and holding 0.2 in pressure in step 2 and step 3
~0.5 hour, ensure that compressed air is in pressure between 0.0999MPa~0.1001MPa and keeps the experiment of at least 1 minute
It is required that dynamic steady state under flow to by auxiliary connecting device in the gas circuit of the lightweight gas turbine combustion chamber burner,
The differential pressure transmitter 17 recorded simultaneously on temperature detector 14, pressure transmitter 15 and flowmeter 1 in the first connecting tube 8 is surveyed
The data measured are Gc1, by many instrument signal spools 21 by the data Gc of measurement1Feed back on intelligent digital integrating instrument 20,
The quality in step 3 under state in the lightweight gas turbine combustion chamber burner is shown on intelligent digital integrating instrument 20
Flow is Gc2；
Step 5：Evaluation work：Environment temperature K when the atmospheric pressure P0 under measuring state and measurement is recorded,
Correction formula Gs=Gc will be passed through2Data on × α amendment intelligent digitals integrating instrument 20, correction formula is Gs=Gc2× α, wherein α
Atmospheric pressure P0 and atmospheric temperature K when testing during for by testing calculates obtained coefficient, Gc2For in intelligent digital integrating instrument 20
The mass flow of upper display, you can calculate the flow Gs required under atmospheric conditions；Correction formula Gs=Gc in this step2× α is
Effect is data Gc on amendment intelligent digital integrating instrument 202, for being converted to the flow number Gs under standard atmosphere condition；
Step 6：The detection work at another gas circuit end of nozzle：The lightweight gas turbine is fired by auxiliary connecting device
Burn room nozzle another gas circuit end connected with stop valve flange for connection 7, according to step 2 to step 5 operating process again
The flow value at another gas circuit end of the secondary measurement lightweight gas turbine combustion chamber burner.
Claims (1)
1. the air-flow detection method of lightweight gas turbine combustion chamber burner, it is characterised in that methods described is real according to following steps
It is existing：
Step one：Cleaning：Lightweight gas turbine combustion chamber burner is placed in ultrasonic cleaning apparatus first and carried out clearly
Wash, then by stop valve (6), stop valve flange for connection (7), the first connecting tube (8), flowmeter (1), the second connecting tube
(9), the first enlarging body (2), the second enlarging body (3), gas collection guide cylinder (4) and nozzle flange for connection (5) sequentially connect
It is logical, then a gas circuit end of lightweight gas turbine combustion chamber burner by auxiliary connecting device is connected to nozzle flange for connection
(5) on；
Step 2：Remove water work：The stop valve (6) is first turned on, then dry compressed air is passed through by stop valve (6)
To the first connecting tube (8), flowmeter (1), the second connecting tube (9), the first enlarging body (2), the second enlarging body (3) and gas collection
In the cavity that guide cylinder (4) is constituted, regulation pressure is in 0.15~0.25MPa and is kept for 0.2~0.5 hour；
Step 3：Adjust work：The airflow detecting device of the lightweight gas turbine combustion chamber burner is maintained in step 2
Airtight conditions under, stop valve (6) opening in the state of, air-flow passes through the first enlarging body (2) and the second enlarging body (3)
Into in gas collection guide cylinder (4), first pressure table (18) and the gas collection guide cylinder on second connecting tube (9)
(4) under the monitoring of the second pressure table (19) on, stop valve (6) on the first connecting tube (8), the first gate valve (12) and the are adjusted
Two gate valves (13), the precision of wherein first pressure table (18) and second pressure table (19) is 0.0001MPa, range be 0MPa~
2MPa, it is ensured that compressed air is in the dynamic stability shape under test requirements document of the pressure between 0.0999MPa~0.1001MPa
State；
Step 4：Will in step 2 and step 3 in pressure meet regulation pressure 0.15~0.25MPa and keep 0.2~
0.5 hour, ensure compressed air be in pressure between 0.0999MPa~0.1001MPa and keep at least 1 minute experiment will
It is flow under the dynamic steady state asked by auxiliary connecting device in the gas circuit of the lightweight gas turbine combustion chamber burner, together
The differential pressure transmitter on temperature detector (14), pressure transmitter (15) and flowmeter (1) in the connecting tubes of Shi Jilu first (8)
(17) data measured by are Gc1, by many instrument signal spools (21) by the data Gc of measurement1Feed back to intelligent digital
On integrating instrument (20), shown on intelligent digital integrating instrument (20) in the lightweight gas turbine combustion chamber burner in step 3
Mass flow under middle state is Gc2；
Step 5：Evaluation work：Environment temperature K when the atmospheric pressure P0 under measuring state and measurement is recorded, will be logical
Cross correction formula Gs=Gc2Data on × α amendment intelligent digital integrating instruments (20), correction formula is Gs=Gc2× α, wherein α are
Atmospheric pressure P0 during by testing is calculated with atmospheric temperature K when testing to be obtained, Gc2To be shown on intelligent digital integrating instrument (20)
Mass flow, you can calculate the flow Gs required under atmospheric conditions；
Step 6：The detection work at another gas circuit end of nozzle：By auxiliary connecting device by the lightweight gas turbine combustion chamber
Another gas circuit end of nozzle is connected with stop valve flange for connection (7), according to step 2 to step 5 operating process again
Measure the flow value at another gas circuit end of the lightweight gas turbine combustion chamber burner.
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| CN201410583447.6A CN104374438B (en) | 2014-10-27 | 2014-10-27 | The air-flow detection method of lightweight gas turbine combustion chamber burner |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201410583447.6A CN104374438B (en) | 2014-10-27 | 2014-10-27 | The air-flow detection method of lightweight gas turbine combustion chamber burner |
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| CN104374438A CN104374438A (en) | 2015-02-25 |
| CN104374438B true CN104374438B (en) | 2017-09-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016204764B4 (en) * | 2016-03-22 | 2020-04-23 | Mtu Friedrichshafen Gmbh | Measuring device, fuel gas supply device with such a measuring device and internal combustion engine with such a fuel gas supply device |
| CN108731924B (en) * | 2018-04-10 | 2023-06-23 | 华电电力科学研究院有限公司 | Gas turbine nozzle flow testing system and testing method based on Laval nozzle principle |
| CN110410219B (en) * | 2019-07-10 | 2021-08-06 | 国营川西机器厂 | In-situ cleaning method for engine airflow channel |
| CN112945327B (en) * | 2021-05-13 | 2021-08-17 | 西安多普多信息科技有限公司 | Mass flow detection method, device and system |
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| CN201062975Y (en) * | 2007-04-29 | 2008-05-21 | 沈阳黎明航空发动机(集团)有限责任公司 | Nozzle gas flow tester for heavy gas turbine |
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|---|---|---|---|---|
| CN201062975Y (en) * | 2007-04-29 | 2008-05-21 | 沈阳黎明航空发动机(集团)有限责任公司 | Nozzle gas flow tester for heavy gas turbine |
| CN101476725A (en) * | 2008-01-03 | 2009-07-08 | 通用电气公司 | Integrated fuel nozzle IFC |
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Effective date of registration: 20221227 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |
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