CN107101831A - Pilot combustion channel, combustion test control method and device for combustion gas turbine - Google Patents
Pilot combustion channel, combustion test control method and device for combustion gas turbine Download PDFInfo
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- CN107101831A CN107101831A CN201710344382.3A CN201710344382A CN107101831A CN 107101831 A CN107101831 A CN 107101831A CN 201710344382 A CN201710344382 A CN 201710344382A CN 107101831 A CN107101831 A CN 107101831A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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Abstract
The present invention relates to Gas turbine technology field, disclose a kind of for the pilot combustion channel of combustion gas turbine, combustion test control method and device, to change the air themperature working condition of test section equipment, so as to save the energy, improve the accuracy of result of the test.Pilot combustion channel includes air machinery, backheat equipment, test section equipment, exhaust equipment and control valve, wherein：Test section equipment includes air inlet and exhaust outlet；Backheat equipment includes the air intlet connected with air machinery, the air outlet slit connected with the air inlet of test section equipment, the gas approach connected with the exhaust outlet of test section equipment, and the exhanst gas outlet connected with exhaust equipment；Air machinery is connected with exhaust equipment；Control valve includes the first valve port connected with air machinery, the second valve port connected with the air intlet of backheat equipment, and the 3rd valve port connected with the air inlet of test section equipment.
Description
Technical field
The present invention relates to Gas turbine technology field, more particularly to a kind of combustion test for combustion gas turbine
Platform, combustion test control method and device.
Background technology
Combustion gas turbine is as a kind of auxiliary power unit, with compact conformation, the low feature of lightweight, maintenance cost,
It is widely used in distributed energy power field.Combustion chamber is one of important component in combustion gas turbine, and its performance is
Embody the advanced important symbol of combustion gas turbine.
Pilot combustion channel Experimental Study System can burn in the case where carrying out normal pressure and condition of high voltage to micro gas turbine machine
The research of room performance and relative combustion technology, is that autonomous Design and exploitation micro gas turbine machine combustion chamber and machine product are established
Basis.Pilot combustion channel mainly includes air machinery, backheat equipment, test section equipment and exhaust equipment, wherein：Source of the gas is set
Standby, backheat equipment and test section equipment are sequentially connected, and exhaust equipment connects with air machinery, backheat equipment and test section equipment respectively
Connect.Because pilot combustion channel needs Control experiment temperature conditionss in process of the test, backheat equipment generally using electric heater or
Pre-combustion chamber is preheated to the air for entering test section equipment.
Above-mentioned prior art has a drawback in that, when using electric heater preheated air, and electric heater uses electric work
Rate is larger, and general pilot combustion channel is difficult to meet；During using pre-combustion chamber preheated air, pre-burning inevitably may require that
The certain air of consumption, so as to change the component of test section equipment, reduces the accuracy of result of the test.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of pilot combustion channel for combustion gas turbine, combustion test controlling party
Method and device, to change the air themperature working condition of test section equipment, so as to save the energy, improve the accurate of result of the test
Property.
Set the embodiments of the invention provide a kind of pilot combustion channel for combustion gas turbine, including air machinery, backheat
Standby, test section equipment, exhaust equipment and control valve, wherein：
The test section equipment includes air inlet and exhaust outlet；The backheat equipment includes what is connected with the air machinery
Air intlet, the air outlet slit connected with the air inlet of the test section equipment, connect with the exhaust outlet of the test section equipment
Gas approach, and the exhanst gas outlet connected with the exhaust equipment；The air machinery is connected with the exhaust equipment；
The control valve includes the first valve port connected with the air machinery and the air intlet of the backheat equipment connects
The second logical valve port, and the 3rd valve port connected with the air inlet of the test section equipment；The control valve has the first work
Make state and the second working condition, when the control valve is in first working condition, first valve port and described the
Two valve ports are connected, and the 3rd valve port is closed；When the control valve be in second working condition when, first valve port with
The 3rd valve port connection, second valve port is closed.
Optionally, the control valve includes magnetic valve, pneumatic operated valve or motor-driven valve.
It is preferred that, the gas approach and the test section that the pilot combustion channel also includes being arranged at the backheat equipment are set
Cooling device between standby exhaust outlet on pipeline, the cooling device is used for the exhaust outlet discharge for cooling down the test section equipment
Flue gas.
Preferably, the cooling device includes heat exchanger and cooling water circulation equipment, the cooling water circulation equipment has
Inlet and outlet, the heat exchanger has the high-temperature fuel gas import connected with the exhaust outlet of the test section equipment and described time
The high-temperature fuel gas outlet of the gas approach connection of hot equipment, enter with the cooling water of the outlet of the cooling water circulation equipment
Mouthful, and the coolant outlet with the inlet communication of the cooling water circulation equipment.
It is preferred that, the pilot combustion channel also includes：
At first temperature testing equipment, the air inlet for being arranged at the test section equipment, for detecting at the air inlet
The temperature of air；
Control device, is connected with control valve and the first temperature testing equipment, for obtaining the first temperature testing equipment respectively
The temperature value of air at the air inlet detected；When the air temperature value that first temperature testing equipment is detected is less than
During the first temperature threshold of setting, the first valve port of the control valve is controlled to be connected with the second valve port, and close the control valve
The 3rd valve port；And when the air temperature value that first temperature testing equipment is detected is higher than the second temperature threshold value of setting
When, control the first valve port of the control valve to be connected with the 3rd valve port, and close the second valve port of the control valve.
Preferably, the pilot combustion channel also includes the pipeline being arranged between the air machinery and the backheat equipment
First flowmeter and first flow valve upper and be connected respectively with the control device；
The air flow value that the control device is additionally operable to be detected when the first flowmeter is more than the first-class of setting
When measuring threshold value, the aperture of the first flow valve is controlled to reduce；And when the air flow value that the first flowmeter is detected is small
When the second flow threshold value of setting, the aperture increase of the first flow valve is controlled.
Preferably, the pilot combustion channel also includes being arranged at the air inlet of the test section equipment and for detecting institute
State the pressure gauge of the pressure of air at air inlet, and be arranged at the exhaust equipment and the backheat equipment exhanst gas outlet it
Between pipeline on and the second flow valve that is connected with the control device；
The air pressure value that the control device is additionally operable to be detected when the pressure gauge is more than the air pressure threshold set
During value, the aperture of the second flow valve is controlled to reduce；And when the air pressure value that the pressure gauge is detected is less than setting
During air pressure threshold value, the aperture increase of the second flow valve is controlled.
Preferably, the pilot combustion channel also includes the second temperature detection for being arranged at the gas approach of the backheat equipment
Equipment, the second temperature detection device is used for the temperature for detecting flue gas at the gas approach, and the cooling device also includes
Be arranged on the pipeline between the outlet of the cooling water inlet of the heat exchanger and the cooling water circulation equipment and with the control
3rd flow valve of control equipment connection；
The control device is additionally operable to work as flue gas at the gas approach that the second temperature detection device is detected
When temperature value is less than three temperature threshold set, the aperture of the 3rd flow valve is controlled to reduce；And when the second temperature
At the gas approach that detection device is detected the temperature value of flue gas higher than setting four temperature thresholds when, control described the
The aperture increase of three flow valves.
Pilot combustion channel provided in an embodiment of the present invention for combustion gas turbine, using backheat equipment to entering test section
The air of equipment is preheated, and controls air's ratio into test section equipment by control valve, so as to change
The air themperature working condition of test section equipment, compared with prior art, the pilot combustion channel rationally utilize fume afterheat, more supernumerary segment
The about energy；In addition, backheat equipment does not need the component needed for consumption test, so as to improve the accuracy of result of the test.
Present invention also offers a kind of combustion test controlling party of the pilot combustion channel applied to described in preceding solution
Method, including：
Obtain the temperature value of air at the air inlet that first temperature testing equipment is detected；
When first temperature threshold of the air temperature value that first temperature testing equipment is detected less than setting, control
First valve port of the control valve is connected with the second valve port, and closes the 3rd valve port of the control valve；
When second temperature threshold value of the air temperature value that first temperature testing equipment is detected higher than setting, control
First valve port of the control valve is connected with the 3rd valve port, and closes the second valve port of the control valve.
Combustion test control method provided in an embodiment of the present invention, the sky that can be detected according to the first temperature testing equipment
Temperature value, automatically controls the opening and closing of each valve port of control valve, so as to change the air themperature operating mode bar of test section equipment
Part, compared with prior art, the combustion test control method rationally utilize fume afterheat, more save the energy；In addition, the burning is tried
Test control method and automatically control control valve, further increase the accuracy of result of the test.
Dress is controlled present invention also offers a kind of combustion test of the pilot combustion channel applied to described in preceding solution
Put, including：
First acquisition unit, the temperature for obtaining air at the air inlet that first temperature testing equipment is detected
Angle value；
First control unit, for the air temperature value that is detected when first temperature testing equipment less than the of setting
During one temperature threshold, the first valve port of the control valve is controlled to be connected with the second valve port, and close the 3rd valve of the control valve
Mouthful；When second temperature threshold value of the air temperature value that first temperature testing equipment is detected higher than setting, control is described
First valve port of control valve is connected with the 3rd valve port, and closes the second valve port of the control valve.
Combustion test control device provided in an embodiment of the present invention, the first control unit is according to acquired in first acquisition unit
Temperature value, the opening and closing of each valve port of control valve is automatically controlled after being judged, so as to change the air of test section equipment
Temperature case condition, compared with prior art, the combustion test control device rationally utilize fume afterheat, more save the energy；This
Outside, the first control unit automatically controls control valve, further increases the accuracy of result of the test.
Brief description of the drawings
Fig. 1 is a schematic diagram of one embodiment of the invention pilot combustion channel；
Fig. 2 is another schematic diagram of one embodiment of the invention pilot combustion channel；
Fig. 3 is the schematic diagram of the backheat equipment of pilot combustion channel of the embodiment of the present invention；
Fig. 4 is the schematic diagram of another embodiment of the present invention pilot combustion channel；
Fig. 5 is the schematic diagram of the cooling device of pilot combustion channel of the embodiment of the present invention；
Fig. 6 is the schematic diagram of another embodiment of the present invention pilot combustion channel；
Fig. 7 is the schematic diagram of combustion test control method of the embodiment of the present invention；
Fig. 8 is the schematic diagram of combustion test control device of the embodiment of the present invention.
Reference：
1- air machineries；2- backheat equipment；3- test section equipment；4- exhaust equipments；5- control valves；
6- cooling devices；The temperature testing equipments of 7- first；8- first flowmeters；9- first flow valves；
10- check-valves；11- second flow valves；The flow valves of 12- the 3rd；13- fuel-supplying units；
22- air intlets；23- air outlet slits；24- gas approach；25- exhanst gas outlets；31- air inlets；
32- exhaust outlets；The valve ports of 51- first；The valve ports of 52- second；The valve ports of 53- the 3rd；61- heat exchangers；
62- cooling water circulation equipment；63- high-temperature fuel gas imports；64- high-temperature fuel gas is exported；
65- cooling water inlets；66- coolant outlets；67- imports；68- is exported；
80- combustion test control devices；81- first acquisition units；The control units of 82- first.
Embodiment
In order to change the air themperature working condition of test section equipment, so as to save the energy, the accurate of result of the test is improved
Property, the embodiments of the invention provide a kind of for the pilot combustion channel of combustion gas turbine, combustion test control method and device.For
Make the object, technical solutions and advantages of the present invention clearer, the present invention is described in further detail by the following examples.
As shown in figure 1, being set the embodiments of the invention provide a kind of pilot combustion channel for combustion gas turbine, including source of the gas
Standby 1, backheat equipment 2, test section equipment 3, exhaust equipment 4 and control valve 5, wherein：
Test section equipment 3 includes air inlet 31 and exhaust outlet 32；Backheat equipment 2 includes the air connected with air machinery 1
Import 22, the air outlet slit 23 connected with the air inlet 31 of test section equipment 3, connected with the exhaust outlet 32 of test section equipment 3
Gas approach 24, and the exhanst gas outlet 25 connected with exhaust equipment 4；Air machinery 1 is connected with exhaust equipment 4；
The first valve port 51 that control valve 5 includes connecting with air machinery 1, connect with the air intlet 22 of backheat equipment 2
Second valve port 52, and the 3rd valve port 53 connected with the air inlet 31 of test section equipment 3；Control valve 5 has the first work shape
State and the second working condition, when control valve 5 is in the first working condition, the first valve port 51 is connected with the second valve port 52, and the 3rd
Valve port 53 is closed；When control valve 5 is in the second working condition, the first valve port 51 is connected with the 3rd valve port 53, the second valve port 52
Close.
Pilot combustion channel provided in an embodiment of the present invention for combustion gas turbine, using backheat equipment, 2 pairs enter experiment
The air of section equipment 3 is preheated, and controls air's ratio into test section equipment 3 by control valve 5, so as to change
Become the air themperature working condition of test section equipment 3, compared with prior art, the pilot combustion channel rationally utilizes fume afterheat,
More save the energy；In addition, backheat equipment 2 does not need the component needed for consumption test, so as to improve the accurate of result of the test
Property.
In the present embodiment, the particular type of control valve 5 is not limited, for example, can be magnetic valve, pneumatic operated valve or motor-driven valve.
As shown in Figures 2 and 3, the air after compression is discharged into the air intlet 22 of backheat equipment 2 by air machinery 1, from examination
The high-temperature fuel gas for testing the discharge of exhaust outlet 32 of section equipment 3 enters backheat equipment 2 from gas approach 24, and the air after compression is in backheat
Discharged after carrying out heat exchange with high-temperature fuel gas in equipment 2 from air outlet slit 23, then enter back into the air inlet of test section equipment 3
31, the flue gas after heat exchange is discharged into exhaust equipment 4 from exhanst gas outlet 25.Compared with prior art, the backheat equipment 2 utilizes test section
The flue gas that equipment 3 is discharged is preheated to compressed air, and the air enable into test section equipment 3 reaches the work needed for experiment
Condition temperature, so as to save the energy；In addition, backheat equipment 2 does not need the component needed for consumption test, so as to improve result of the test
Accuracy.
As shown in Figure 4 and Figure 5, in an embodiment of the present invention, it is preferred that pilot combustion channel is also set including being arranged at backheat
Cooling device 6 between standby 2 gas approach 24 and the exhaust outlet 32 of test section equipment 3 on pipeline, cooling device 6 is used to cool down
The flue gas that the exhaust outlet 32 of test section equipment 3 is discharged.Cooling device 6 includes heat exchanger 61 and cooling water circulation equipment 62, cooling
Water circulating apparatus 62 has import 67 and outlet 68, and heat exchanger 61 has the high temperature connected with the exhaust outlet 32 of test section equipment 3
Fuel gas inlet 63, the high-temperature fuel gas that is connected with the gas approach 24 of backheat equipment 2 outlet 64, go out with cooling water circulation equipment 62
The cooling water inlets 65 of the connection of mouth 68, and the coolant outlet 66 connected with the import 67 of cooling water circulation equipment 62.Test section
The high-temperature fuel gas that the exhaust outlet 32 of equipment 3 is discharged enters heat exchanger 61 from high-temperature fuel gas import 63, from cooling water circulation equipment 62
Outlet 68 flow out cooling water and enter heat exchanger 61 from cooling water inlet 65, high-temperature fuel gas is carried out with cooling water in the heat exchanger 61
Cool after heat exchange, and backheat equipment 2 is discharged into from high-temperature fuel gas outlet 64, the cooling water after heat exchange flows back to cooling from import 67
Water circulating apparatus 62, so, it is possible to reduce the too high infringement brought to backheat equipment 2 of temperature of high-temperature fuel gas.
As shown in Figure 4 and Figure 6, preferably, pilot combustion channel also includes：First temperature testing equipment 7, is arranged at test section
At the air inlet 31 of equipment 3, the temperature for detecting air at air inlet 31；Control device (not shown), respectively with control
The temperature testing equipment 7 of valve 5 and first processed is connected, for obtaining air at the air inlet 31 that the first temperature testing equipment 7 is detected
Temperature value；When first temperature threshold of the air temperature value that the first temperature testing equipment 7 is detected less than setting, control control
First valve port 51 of valve 5 processed is connected with the second valve port 52, and the 3rd valve port 53 of closing control valve 5；And when the first temperature detection
The air temperature value that equipment 7 is detected higher than setting second temperature threshold value when, control the first valve port 51 and the of control valve 5
Three valve ports 53 are connected, and the second valve port 52 of closing control valve 5.So, control device can be according to the first temperature testing equipment 7
The air themperature detected, automatically controls the opening and closing of each valve port of control valve 5, so as to change the air of test section equipment 3
Temperature case condition, further increases the accuracy of result of the test.Wherein, the first temperature threshold and second temperature threshold value difference
Minimum working temperature and highest working temperature needed for when being tested for test section equipment 3, can be empirically determined.
As shown in fig. 6, in an embodiment of the present invention, preferably, pilot combustion channel also includes being arranged at the He of air machinery 1
The first flowmeter 8 and first flow valve 9 being connected respectively on pipeline between backheat equipment 2 and with control device；Control device
It is additionally operable to when the air flow value that first flowmeter 8 is detected is more than the first flow threshold value of setting, control first flow valve 9
Aperture reduce；And when the air flow value that first flowmeter 8 is detected is less than the second flow threshold value of setting, control first
The aperture increase of flow valve 9.So, control device can automatically control first flow valve 9 to change the air of test section equipment 3
Temperature case condition.Wherein, first flow threshold value and second flow threshold value are respectively the most senior engineer of the air intlet of backheat equipment 2
Make flow and minimum working flow, can be empirically determined.
Preferably, pilot combustion channel also includes being arranged at the air inlet 31 of test section equipment 3 and for detecting air inlet
The pressure gauge (not shown) of the pressure of air at 31, and it is arranged at exhaust equipment 4 and the exhanst gas outlet 25 of backheat equipment 2
Between pipeline on and the second flow valve 11 that is connected with control device；Control device is additionally operable to the air detected when pressure gauge
When pressure value is more than the air pressure threshold value of setting, the aperture of control second flow valve 11 reduces；The sky detected when pressure gauge
When air pressure force value is less than the air pressure threshold value of setting, the aperture increase of control second flow valve 11.Wherein, air pressure threshold value
, can be empirically determined by the working condition pressure needed at the air inlet 31 of test section equipment 3.
It is preferred that, it is additionally provided with check-valves on the pipeline between the exhanst gas outlet 25 and second flow valve 11 of backheat equipment 2
10, prevent flue gas from blowing back into backheat equipment 2.
Preferably, the second temperature detection device of the also gas approach 24 including being arranged at backheat equipment 2 (does not show in figure
Go out), second temperature detection device is used for the temperature for detecting flue gas at gas approach 34, and cooling device 6 also includes being arranged at heat exchange
Be connected on pipeline between the cooling water inlet 65 of device 61 and the outlet 68 of cooling water circulation equipment 62 and with control device
Three flow valves 12；The temperature value that control device is additionally operable to work as flue gas at the gas approach 24 that second temperature detection device is detected is low
When three temperature threshold of setting, the aperture of the 3rd flow valve 12 is controlled to reduce；And when second temperature detection device institute
When the temperature value of flue gas is higher than four temperature threshold set at the gas approach 24 of detection, the aperture of the 3rd flow valve 12 is controlled
Increase.So control device can automatically control the flow into the cooling water of heat exchanger 61, so as to control high-temperature fuel gas
Temperature.
Wherein, the 3rd temperature threshold and the 4th temperature threshold are respectively that backheat equipment carries out minimum cigarette required during heat exchange
Temperature degree and highest flue-gas temperature, can be empirically determined.
As shown in fig. 6, in an embodiment of the present invention, pilot combustion channel also includes being connected and being used for test section equipment 3
To test section equipment 3 provide fuel fuel-supplying unit 13, the fuel-supplying unit 13 can in time, constantly to test section
Equipment 3 provides fuel, so as to further improve the accuracy of result of the test.
In an embodiment of the present invention, test section equipment 3 also includes group section, test section and measuring section, and group section is used for
The combustion chamber for needing to test is connected with test section equipment 3, test section is used to test combustion chamber, measuring section is used to obtain
Test data obtained by experiment.
As shown in fig. 7, present invention also offers a kind of combustion test control of the pilot combustion channel applied to previous embodiment
Method processed, including：
Step 101, the temperature value for obtaining air at the air inlet that the first temperature testing equipment is detected；
Step 102, when the air temperature value that the first temperature testing equipment is detected less than setting the first temperature threshold when,
First valve port of control control valve is connected with the second valve port, and the 3rd valve port of closing control valve；
Step 103, when the air temperature value that the first temperature testing equipment is detected higher than setting second temperature threshold value when,
First valve port of control control valve is connected with the 3rd valve port, and the second valve port of closing control valve.
Combustion test control method provided in an embodiment of the present invention, the sky that can be detected according to the first temperature testing equipment
Temperature value, automatically controls the opening and closing of each valve port of control valve, so as to change the air themperature operating mode bar of test section equipment
Part, compared with prior art, the combustion test control method rationally utilize fume afterheat, more save the energy；In addition, the burning is tried
Test control method and automatically control control valve, further increase the accuracy of result of the test.
Preferably, when pilot combustion channel also include on the pipeline that is arranged between air machinery and backheat equipment and respectively with
When the first flowmeter and first flow valve of control device connection, control method also includes：
The flow value of air on pipeline between air machinery and backheat equipment that acquisition first flowmeter is detected；
When the air flow value that first flowmeter is detected is more than the first flow threshold value of setting, first flow valve is controlled
Aperture reduce；
When the air flow value that first flowmeter is detected is less than the second flow threshold value of setting, first flow valve is controlled
Aperture increase.So, control device can automatically control first flow valve to change the air themperature operating mode of test section equipment
Condition.
Preferably, when pilot combustion channel also includes being arranged at the air inlet of test section equipment and for detecting at air inlet
On the pressure gauge of the pressure of air, and the pipeline being arranged between the exhanst gas outlet of exhaust equipment and backheat equipment and with control
During the second flow valve of equipment connection, control method also includes：
Obtain the pressure value of air at the air inlet for the test section equipment that pressure gauge is detected；
When the air pressure value that pressure gauge is detected is more than the air pressure threshold value of setting, opening for second flow valve is controlled
Degree reduces；
When the air pressure value that pressure gauge is detected is less than the air pressure threshold value of setting, opening for second flow valve is controlled
Degree increase.Control device can automatically control the aperture of second flow valve, can adjust the exhaust gas volumn in backheat equipment, further
Adjust the gas pressure of backheat equipment.
Preferably, when pilot combustion channel also include be arranged at backheat equipment gas approach second temperature detection device,
And cooling device also include be arranged on the pipeline between the outlet of the cooling water inlet of heat exchanger and cooling water circulation equipment and
During three flow valve being connected with control device, control method also includes：
Obtain the temperature value of flue gas at the gas approach that second temperature detection device is detected；
When three temperature threshold of the flue-gas temperature value that second temperature detection device is detected less than setting, control the 3rd
The aperture of flow valve reduces；
When four temperature threshold of the flue-gas temperature that second temperature detection device is detected higher than setting, control the 3rd is flowed
Measure the aperture increase of valve.So control device can automatically control the flow into the cooling water of heat exchanger, so as to control
The temperature of high-temperature fuel gas.
As shown in figure 8, present invention also offers a kind of combustion test control of the pilot combustion channel applied to previous embodiment
Device 80 processed, including：
First acquisition unit 81, the temperature value for obtaining air at the air inlet that the first temperature testing equipment is detected；
First control unit 82, for being less than the first of setting when the air temperature value that the first temperature testing equipment is detected
During temperature threshold, the first valve port of control control valve is connected with the second valve port, and the 3rd valve port of closing control valve；When the first temperature
The air temperature value that is detected of degree detection device higher than setting second temperature threshold value when, control the first valve port of control valve with
3rd valve port is connected, and the second valve port of closing control valve.
Combustion test control device 80 provided in an embodiment of the present invention, the first control unit 82 is according to first acquisition unit 81
Acquired temperature value, automatically controls the opening and closing of each valve port of control valve after being judged, so as to change test section equipment
Air themperature working condition, compared with prior art, combustion test control device 80 rationally utilizes fume afterheat, more saves energy
Source；In addition, the first control unit 82 automatically controls control valve, the accuracy of result of the test is further increased.
Preferably, when pilot combustion channel also include on the pipeline that is arranged between air machinery and backheat equipment and respectively with
When the first flowmeter and first flow valve of control device connection, combustion test control device 80 also includes：
Second acquisition unit, for obtaining the pipeline between the air machinery and backheat equipment that first flowmeter detected
The flow value of air；
Second control unit, the first flow threshold value for being more than setting when the air flow value that first flowmeter is detected
When, the aperture of control first flow valve reduces；When the air flow value that first flowmeter is detected is less than the second flow of setting
During threshold value, the aperture increase of control first flow valve.So, the second control unit can automatically control first flow valve regulation examination
The air mass flow and pressure tested needed for section equipment.
Preferably, when pilot combustion channel also includes being arranged at the air inlet of test section equipment and for detecting at air inlet
On the pressure gauge of the pressure of air, and the pipeline being arranged between the exhanst gas outlet of exhaust equipment and backheat equipment and with control
During the second flow valve of equipment connection, combustion test control device 80 also includes：
The pressure value of air at 3rd acquiring unit, the air inlet for obtaining the test section equipment that pressure gauge is detected；
3rd control unit, for when the air pressure value that pressure gauge is detected be more than setting air pressure threshold value when,
The aperture of second flow valve is controlled to reduce；When the air pressure value that pressure gauge is detected is less than the air pressure threshold value of setting,
Control the aperture increase of second flow valve.3rd control unit can automatically control the aperture of second flow valve, can adjust back
The gas pressure of exhaust gas volumn in hot equipment, further regulation backheat equipment.
Preferably, when pilot combustion channel also include be arranged at backheat equipment gas approach second temperature detection device,
And cooling device also include be arranged on the pipeline between the outlet of the cooling water inlet of heat exchanger and cooling water circulation equipment and
During three flow valve being connected with control device, combustion test control device 80 also includes：
4th acquiring unit, the temperature value for obtaining flue gas at the gas approach that second temperature detection device is detected；
4th control unit, for when the flue-gas temperature value that second temperature detection device is detected is less than the 3rd temperature set
When spending threshold value, the aperture of the 3rd flow valve of control reduces；When the flue-gas temperature that second temperature detection device is detected is higher than setting
Four temperature thresholds when, control the 3rd flow valve aperture increase.Such 4th control unit can be automatically controlled to enter and changed
The flow of the cooling water of hot device, so as to control the temperature of high-temperature fuel gas.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (16)
1. a kind of pilot combustion channel for combustion gas turbine, it is characterised in that including air machinery, backheat equipment, test section
Equipment, exhaust equipment and control valve, wherein：
The test section equipment includes air inlet and exhaust outlet；The backheat equipment includes the air connected with the air machinery
Import, the air outlet slit connected with the air inlet of the test section equipment, the cigarette connected with the exhaust outlet of the test section equipment
Gas import, and the exhanst gas outlet connected with the exhaust equipment；The air machinery is connected with the exhaust equipment；
The first valve port that the control valve includes connecting with the air machinery, connect with the air intlet of the backheat equipment
Second valve port, and the 3rd valve port connected with the air inlet of the test section equipment；The control valve has the first work shape
State and the second working condition, when the control valve is in first working condition, first valve port and second valve
Mouth connection, the 3rd valve port is closed；When the control valve be in second working condition when, first valve port with it is described
3rd valve port is connected, and second valve port is closed.
2. pilot combustion channel as claimed in claim 1, it is characterised in that the control valve includes magnetic valve, pneumatic operated valve or electricity
Dynamic valve.
3. pilot combustion channel as claimed in claim 1, it is characterised in that also enter including being arranged at the flue gas of the backheat equipment
Cooling device between mouth and the exhaust outlet of the test section equipment on pipeline, the cooling device is used to cool down the test section
The flue gas of the exhaust outlet discharge of equipment.
4. pilot combustion channel as claimed in claim 3, it is characterised in that the cooling device includes heat exchanger and cooling water is followed
Ring apparatus, the cooling water circulation equipment has inlet and outlet, and the heat exchanger has the exhaust with the test section equipment
The high-temperature fuel gas import of mouth connection, the high-temperature fuel gas outlet connected with the gas approach of the backheat equipment and the cooling water
The cooling water inlet of the outlet of recycle unit, and go out with the cooling water of the inlet communication of the cooling water circulation equipment
Mouthful.
5. the pilot combustion channel as described in any one of Claims 1 to 4, it is characterised in that also include：
At first temperature testing equipment, the air inlet for being arranged at the test section equipment, for detecting air at the air inlet
Temperature；
Control device, is connected with control valve and the first temperature testing equipment respectively, is examined for obtaining the first temperature testing equipment
The temperature value of air at the air inlet surveyed；When the air temperature value that first temperature testing equipment is detected is less than setting
The first temperature threshold when, control the first valve port of the control valve to be connected with the second valve port, and close the of the control valve
Three valve ports；And when second temperature threshold value of the air temperature value that first temperature testing equipment is detected higher than setting, control
The first valve port for making the control valve is connected with the 3rd valve port, and closes the second valve port of the control valve.
6. pilot combustion channel as claimed in claim 5, it is characterised in that also including being arranged at the air machinery and described time
The first flowmeter and first flow valve being connected respectively on pipeline between hot equipment and with the control device；
The air flow value that the control device is additionally operable to be detected when the first flowmeter is more than the first flow threshold set
During value, the aperture of the first flow valve is controlled to reduce；And set when the air flow value that the first flowmeter is detected is less than
During fixed second flow threshold value, the aperture increase of the first flow valve is controlled.
7. pilot combustion channel as claimed in claim 5, it is characterised in that the also air inlet including being arranged at the test section equipment
At mouthful and for detecting the pressure gauge of the pressure of air at the air inlet, and it is arranged at the exhaust equipment and the backheat
The second flow valve being connected on pipeline between the exhanst gas outlet of equipment and with the control device；
The control device is additionally operable to when the air pressure value that the pressure gauge is detected is more than the air pressure threshold value of setting,
The aperture of the second flow valve is controlled to reduce；And when the air pressure value that the pressure gauge is detected is less than the air pressure of setting
During force threshold, the aperture increase of the second flow valve is controlled.
8. pilot combustion channel as claimed in claim 5, it is characterised in that also enter including being arranged at the flue gas of the backheat equipment
The second temperature detection device of mouth, the second temperature detection device is used for the temperature for detecting flue gas at the gas approach, institute
Stating cooling device also includes being arranged between the outlet of the cooling water inlet of the heat exchanger and the cooling water circulation equipment
The 3rd flow valve being connected on pipeline and with the control device；
The control device is additionally operable to work as the temperature of flue gas at the gas approach that the second temperature detection device is detected
When value is less than three temperature threshold set, the aperture of the 3rd flow valve is controlled to reduce；And when second temperature detection
When the temperature value of flue gas is higher than four temperature threshold set at the gas approach that equipment is detected, the 3rd stream is controlled
Measure the aperture increase of valve.
9. a kind of combustion test control method applied to pilot combustion channel described in claim 5, it is characterised in that including：
Obtain the temperature value of air at the air inlet that first temperature testing equipment is detected；
When first temperature threshold of the air temperature value that first temperature testing equipment is detected less than setting, control is described
First valve port of control valve is connected with the second valve port, and closes the 3rd valve port of the control valve；
When second temperature threshold value of the air temperature value that first temperature testing equipment is detected higher than setting, control is described
First valve port of control valve is connected with the 3rd valve port, and closes the second valve port of the control valve.
10. combustion test control method as claimed in claim 9, it is characterised in that when the pilot combustion channel also includes setting
It is placed in the first flow being connected respectively on the pipeline between the air machinery and the backheat equipment and with the control device
When meter and first flow valve, the control method also includes：
Obtain the stream of air on the pipeline between the air machinery and the backheat equipment that the first flowmeter detected
Value；
When the air flow value that the first flowmeter is detected is more than the first flow threshold value of setting, control described first-class
The aperture for measuring valve reduces；
When the air flow value that the first flowmeter is detected is less than the second flow threshold value of setting, control described first-class
Measure the aperture increase of valve.
11. combustion test control method as claimed in claim 9, it is characterised in that when the pilot combustion channel also includes setting
It is placed at the air inlet of the test section equipment and for detecting the pressure gauge of the pressure of air at the air inlet, and sets
Second be connected on pipeline between the exhaust equipment and the exhanst gas outlet of the backheat equipment and with the control device
During flow valve, the control method also includes：
Obtain the pressure value of air at the air inlet for the test section equipment that the pressure gauge is detected；
When the air pressure value that the pressure gauge is detected is more than the air pressure threshold value of setting, the second flow valve is controlled
Aperture reduce；
When the air pressure value that the pressure gauge is detected is less than the air pressure threshold value of setting, the second flow valve is controlled
Aperture increase.
12. combustion test control method as claimed in claim 9, it is characterised in that when the pilot combustion channel also includes setting
The second temperature detection device of the gas approach of the backheat equipment is placed in, and the cooling device also includes being arranged at described change
It is connected on pipeline between the outlet of the cooling water inlet of hot device and the cooling water circulation equipment and with the control device
During three flow valves, the control method also includes：
Obtain the temperature value of flue gas at the gas approach that the second temperature detection device is detected；
When three temperature threshold of the flue-gas temperature value that the second temperature detection device is detected less than setting, control is described
The aperture of 3rd flow valve reduces；
When four temperature threshold of the flue-gas temperature that the second temperature detection device is detected higher than setting, described the is controlled
The aperture increase of three flow valves.
13. a kind of combustion test control device applied to pilot combustion channel described in claim 6, it is characterised in that including：
First acquisition unit, the temperature for obtaining air at the air inlet that first temperature testing equipment is detected
Value；
First control unit, for when the air temperature value that first temperature testing equipment is detected is less than the first temperature set
When spending threshold value, the first valve port of the control valve is controlled to be connected with the second valve port, and close the 3rd valve port of the control valve；When
When the air temperature value that first temperature testing equipment is detected is higher than the second temperature threshold value set, the control valve is controlled
First valve port of door is connected with the 3rd valve port, and closes the second valve port of the control valve.
14. combustion test control device as claimed in claim 13, it is characterised in that when the pilot combustion channel also includes setting
It is placed in the first flow being connected respectively on the pipeline between the air machinery and the backheat equipment and with the control device
When meter and first flow valve, the combustion test control device also includes：
Second acquisition unit, for obtaining between the air machinery and the backheat equipment that the first flowmeter detected
Pipeline on air flow value；
Second control unit, the first flow threshold value for being more than setting when the air flow value that the first flowmeter is detected
When, control the aperture of the first flow valve to reduce；When the air flow value that the first flowmeter is detected is less than setting
During second flow threshold value, the aperture increase of the first flow valve is controlled.
15. combustion test control device as claimed in claim 13, it is characterised in that when also including being arranged at the test section
At the air inlet of equipment and for detecting the pressure gauge of the pressure of air at the air inlet, and it is arranged at the exhaust equipment
During the second flow valve being connected on the pipeline between the exhanst gas outlet of the backheat equipment and with the control device, the combustion
Burning experimental control device also includes：
The pressure of air at 3rd acquiring unit, the air inlet for obtaining the test section equipment that the pressure gauge is detected
Value；
3rd control unit, for when the air pressure value that the pressure gauge is detected be more than setting air pressure threshold value when,
The aperture of the second flow valve is controlled to reduce；When the air pressure value that the pressure gauge is detected is less than the air pressure of setting
During threshold value, the aperture increase of the second flow valve is controlled.
16. combustion test control device as claimed in claim 13, it is characterised in that when the pilot combustion channel also includes setting
The second temperature detection device of the gas approach of the backheat equipment is placed in, and the cooling device also includes being arranged at described change
It is connected on pipeline between the outlet of the cooling water inlet of hot device and the cooling water circulation equipment and with the control device
During three flow valves, the combustion test control device also includes：
4th acquiring unit, the temperature for obtaining flue gas at the gas approach that the second temperature detection device is detected
Value；
4th control unit, for when the flue-gas temperature value that the second temperature detection device is detected is less than the 3rd temperature set
When spending threshold value, the aperture of the 3rd flow valve is controlled to reduce；The flue-gas temperature detected when the second temperature detection device
Higher than setting four temperature thresholds when, control the aperture increase of the 3rd flow valve.
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| CN201710344382.3A CN107101831B (en) | 2017-05-16 | 2017-05-16 | Combustion test stand for gas turbine, combustion test control method and device |
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| CN201710344382.3A CN107101831B (en) | 2017-05-16 | 2017-05-16 | Combustion test stand for gas turbine, combustion test control method and device |
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| CN107101831B (en) | 2023-06-20 |
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Address after: 201306 101 new office building, A, 7 new industrial park, Shanghai, Pudong New Area, 600 new Yuan South Road, Pudong New Area. Applicant after: ENN ENERGY POWER TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201406 228 yongyang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Applicant before: SHANGHAI FANZHI ENERGY EQUIPMENT CO.,LTD. |
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