CN100387941C - Device and method for detecting water flow of gas tubine cooling blade - Google Patents
Device and method for detecting water flow of gas tubine cooling blade Download PDFInfo
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- CN100387941C CN100387941C CNB2006100463920A CN200610046392A CN100387941C CN 100387941 C CN100387941 C CN 100387941C CN B2006100463920 A CNB2006100463920 A CN B2006100463920A CN 200610046392 A CN200610046392 A CN 200610046392A CN 100387941 C CN100387941 C CN 100387941C
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Abstract
The present invention relates to a device for detecting water discharge of cooling blades of a gas turbine, which comprises a lower water tank, a high level water tank, a liquid position gauge, a working table, a water inlet device, a water outlet device, an electric controlling system and a main body frame, wherein the main body frame is fixed on the periphery of two water tanks; the working table is positioned on the lower tank; the lower part of the working table is connected to the lower water tank through pipes; the liquid level gauge is arranged inside the high level water tank and is positioned on the working table; the lower water tank is connected with one side of the high level water tank through a water inlet device; the base part of the high level water tank is provided with a water outlet and is connected to blades which are positioned on the upper part of the working table; the other side of the high level water tank is provided with an overflow opening along water position and is connected to the lower water tank through pipes; the water inlet device, the water outlet device and the liquid level gauge are respectively connected to the electric controlling system. An electric controlling system control the run of the present invention. The present invention has the advantages of simple structure, precession, universality and great economic benefits. The measuring method of the device is simple, effective and reliable. The present invention is suitable for measuring the water discharge for turbine cooling blades of various gas turbine engines.
Description
Technical field
The present invention relates to a kind of gas turbine turbine cooled blade measuring water flow device and method.
Background technology
In the design of aeromotor and ground gas turbine, continuous development along with science and technology, temperature before the turbine turbine also improves constantly, this not only relies on the lifting of technological level, also improvement of claimed structure design, thereby the Cooling Design of turbine turbine blade and cooling effect test are also constantly perfect.Its patent No. is the device of 02280657.1 detection turbo blade discharge, be to be used for the aero engine turbine blades cooling test, and the ground gas turbine turbine blade is compared with aero engine turbine blades, there is bigger difference, the gas turbine turbine blade is heavy duty gas turbine turbine cooled blade especially, blade dimensions is big, requires the discharge of test usefulness to require the discharge of usefulness much bigger than aero engine turbine blades, and current value scope is: 39500g/min～11300g/min; Pressure when the pressure ratio aero engine turbine blades discharge of its testing requirements is tested is much lower, is 0.02MPa, and pulsation can reach 0.002MPa.The device of existing detection turbo blade discharge can not satisfy above-mentioned 2 requirements simultaneously, can't carry out the measurement of gas turbine turbine cooled blade discharge.
Summary of the invention
In order to solve the problem of above-mentioned existence, the invention provides a kind of gas turbine turbine cooled blade measuring water flow device and method.It is to adopt elevated tank to supply water for test, and by the PLC programmable controller electrical control and data acquisition process is carried out in test, uses the printer prints test data, and implements to show by the simulation of PC monitoring machine configuration.
The structure of measurement mechanism of the present invention: comprise lower header, elevated tank, liquid level gauge, worktable, water feed apparatus, discharging device, electric control system and main body frame, main body frame be fixed on two water tanks around, worktable places the lower header top, its underpart is connected in the lower header by pipeline, elevated tank inside is equipped with liquid level gauge, place the worktable top, lower header links to each other with elevated tank one side by water feed apparatus, the elevated tank bottom has water delivering orifice, be connected to by discharging device on the blade of worktable top, elevated tank opposite side edge fixedly has overflow vent in the water level place, be connected in the lower header by pipeline, water feed apparatus is connected with electric control system respectively with discharging device and liquid level gauge.
Water feed apparatus comprises water pump, solenoid valve, water intaking valve, and the water inlet of water pump is connected with lower header, and its water delivering orifice is connected with solenoid valve, water intaking valve successively by pipeline, and the water return outlet of solenoid valve is connected in the lower header; Discharging device comprises motorized valve, electromagnetic flowmeter, outlet valve and tensimeter, and connects successively, and the motorized valve end connects the water delivering orifice of elevated tank, the pipeline that is connected with outlet valve outlet and blade contact position setting pressure table; Surplus valve is installed in overflow passage; Solenoid valve in the water feed apparatus, the motorized valve in the discharging device and electromagnetic flowmeter are connected with electric control system respectively.
Be connected with variable valve, filtrator among the present invention between the water inlet of water pump and the lower header in turn; Solenoid valve is a two-position three way magnetic valve, and motorized valve is the bi-bit bi-pass motorized valve; Also can staircase be installed in a side of framework.
Electric control system of the present invention: comprise PLC, electromagnetic flowmeter, liquid level gauge, A/D converter, PC monitoring machine, operator's console, printer, operator's console is provided with various action buttons, be used for that process of the test operation control, mode are selected, state demonstration etc., various controls, shows signal connect by input port, the delivery outlet of the PLC in stube cable and the operator's console switch board, operator's console is provided with various pilot lamp, is used to show the duty of measuring machine; PLC is connected with the topworks of PC monitoring machine, operator's console and measurement mechanism respectively, its expansion mouth is connected with A/D converter by output module, A/D converter is connected by shielded cable respectively with liquid level gauge with the electromagnetic flowmeter of measurement mechanism, printer is connected with the PC monitoring machine, and each components and parts is connected with separately power control circuit respectively.Its topworks comprises solenoid valve, motorized valve and pump motor, pump motor is connected on the power circuit by control pump motor circuit, solenoid valve, motorized valve are connected on the 24V power supply by relay respectively, its signal lamp separately is connected on the 24V power circuit, control by process by PLC, relay, 24V power supply, each signal lamp carries out corresponding state and shows respectively according to the program state testing result.The signal of electromagnetic flowmeter and liquid level gauge collection inputs to PLC by A/D converter, and by the PLC analytic signal, control executing mechanism shows by the PC monitoring machine.
Power control circuit of the present invention comprises conventional various power supply status light indicating circuits, control pump motor circuit, 24V direct supply road, the PLC power circuit, the electromagnetic flowmeter configuration circuit, each circuit is connected in parallel on the power circuit, by three-phase 380V power supply as the each several part working power.Be provided with a total power switch QF1, PLC directly is connected on the total power switch, and the PLC system at first switches in the time of in order to the assurance energising.The power supply of other parts is connected on the total power switch QF1 by switch QF5, QF2, QF3, QF4 respectively, and its power-up sequence also is according to order like this.
Because tested blade kind difference, flow value alters a great deal each other, for guaranteeing measuring accuracy, selects the electromagnetic flowmeter of different size model according to the kind of blade, also can adopt the electromagnetic flowmeter of two two kinds of different size models to be in parallel, to satisfy the variation of tested blade flow value.Concrete syndeton is: be provided with two discharging devices in measurement mechanism, have two water delivering orifices in the elevated tank bottom, be connected on the worktable by discharging device respectively; In electric control system, two electromagnetic flowmeters are connected on the A/D converter of electric control system, and two electromagnetic flowmeter configuration circuits are connected on the power circuit, and the motorized valve control circuit of two electromagnetic flowmeters is connected on the 24V power circuit.
The present invention adopts PLC that data acquisition computing, logic control, operational processes demonstration, the demonstration of fault handling state are carried out in test, and uses the printer prints test data; Adopting the PC monitoring machine that data in real time is carried out in test shows: comprise weight/second, weight/minute, the time, on-the-spot real time dynamic simulation, service data is imported: comprise zero vane piece number, batch number, operator, and pass through printer prints.
Measuring method of the present invention may further comprise the steps:
1, beginning;
2, clamping blade;
3, connect general supply;
4, connect control power supply, motor, electromagnetic flowmeter power supply;
Are 5, control power supply, motor power, electromagnetic flowmeter power supply normally denied? if power supply is undesired, then system continues to detect power supply;
If 6 control power supplys, motor powers, electromagnetic flowmeter power supply are normal, then system carries out initialization;
Are 7, PLC, Electromagnetic Flow meter systems normally denied? if undesired, then system continues to detect PLC, Electromagnetic Flow meter systems;
If 8 is normal, start water pump;
9, begin to measure;
10, metering liquid level data and detection of dynamic;
11, is not liquid level OK? be whether liquid level reaches setting value, if liquid level does not reach setting value, then system turns back to previous step, proceeds to measure liquid level data and detection of dynamic;
If 12 liquid levels reach setting value, then liquid level gauge sends signal;
Is 13, the blade water outlet normally denied? if the blade water outlet is undesired, then adjust water intaking valve and outlet valve;
If 14 blade water outlets are normal, then begin metering;
15, the flow g/s of metering electromagnetic flowmeter in 1 second;
16, whether system's judgement time is 1 second, if less than 1 second, system continues metering;
When 17, the metering time was 1 second, system stored the 1st second flow amount data and shows;
18, system's accumulative total is stored per 1 second data on flows;
19, whether system's judgement time is 1 minute, if less than 1 minute, system turns back to previous step, continues the cumulative measurement data;
When 20, the time was 1 minute, system stored 60 second flow amount data, and demonstration, printout, and metering stops;
21, is not system reset? if then turn back to the 9th metering liquid level data and the detection of dynamic that goes on foot;
If 22 do not reset, then stop to measure;
23, stop water pump;
24, the water tank cleaning is denied, if do not clear up, system continues inquiry;
If 25 cleanings, then system shows whether high water tank equals 0, if high water tank is not equal to 0, then continues cleaning;
If 26 high water tanks equal 0, then system works finishes.
Its course of work: system starts working, at first install rule blade, energized is under power supply, PLC and the electromagnetic flowmeter situation working properly, start pump motor, water pump is from the lower header pressurization of drawing water, and the water in the lower header enters upper water box through solenoid valve and water intaking valve, when the hydraulic pressure of the water level of upper water box reaches setting value, liquid level gauge sends signal, the expression system can begin to measure, and opens motorized valve, and water flows back to lower header through electromagnetic flowmeter and rule blade.By tensimeter check hydraulic pressure, regulate by water intaking valve and outlet valve, make hydraulic pressure reach setting value.Press testing button and begin metering,, store, show these data and come out by printer prints by the PC monitoring machine by control system by the flow (g/min) of the electromagnetic flowmeter survey water outlet flow of p.s. (g/s) and per minute.After test in a minute was finished, motorized valve cut out, the solenoid valve commutation, and water directly flows back to lower header, and the water level of upper water box remains unchanged.Whether the check measured data conformance with standard blade calibration value, if meet, end of test (EOT) stops water pump, the cleaning water tank.Also can be after test in a minute to be finished, the blade to be measured that changes the outfit restarts new test job.In the test process, the PC monitoring machine is demonstrated out SEA LEVEL VARIATION situation in a minute, is convenient to workman's observation.
Advantage of the present invention is that this apparatus structure is simple, has advance, versatility and economic benefit widely; Use this measurement mechanism and measure, method is easy, effective, reliable, is applicable to the discharge of measuring various gas turbine turbine cooled blades; Current value scope in the test reaches: 39500g/min～11300g/min; The pressure of discharge reaches 0.02MPa during test, and pulsation can reach 0.002MPa.
Description of drawings
Fig. 1 is the structural representation of measurement mechanism of the present invention;
Fig. 2 is an electrical system theory diagram of the present invention;
Fig. 3 is the control circuit schematic diagram of motorized valve, solenoid valve in the measurement mechanism of the present invention;
Fig. 4 is a power control circuit schematic diagram of the present invention;
Fig. 5 is a control flow chart of the present invention;
Fig. 6 is the electrical system theory diagram of the embodiment of the invention 2;
Fig. 7 is the control circuit schematic diagram of motorized valve in the measurement mechanism of the embodiment of the invention 2, solenoid valve;
Fig. 8 is the power control circuit schematic diagram of the embodiment of the invention 2;
1. lower headers among the figure; 2. filtrator; 3. variable valve; 4. water pump; 5. pump motor; 6. solenoid valve, 7. tensimeter, 8. water intaking valve; 9. water delivering orifice; 10. motorized valve, 11. electromagnetic flowmeters, 12. outlet valves; 13. blade; 14. worktable, 15. overflow vents, 16. elevated tanks; 17. liquid level gauge; 18. surplus valve, the motorized valve of 19. second electromagnetic flowmeters, QF1～QF5 are power switch; KM is a contactor; KH is hot current-collector, when in the circuit during electric current overrate, and automatic cutout; shield; HL1～HL13 is a pilot lamp, and FU1～FU8 is a resistance, FIL1; FIL2; FIL3 is a power supply; POW is a wave filter; eliminate various environment and Disturbance in Power Net, the control voltage transitions becomes 24V voltage, LDG1; LDG2 is an electromagnetic flowmeter; A0～A4; B0～B5; C0～C2; L1～L4; N; N1 is a circuit; CON1; CON2 is supply socket, IN1; IN2 is the voltage input end of electromagnetic flowmeter, COM1; COM2 is the common terminal of electromagnetic flowmeter; KA1～KA3 is a relay; BC1～BC3; BO1～BO3; SLS1～SLS3; OLS1～OLS3L; L1; N; N1; E; GR; LG is a wire size, and I is the duty light indicating circuit, and II is control pump motor circuit; III is the 24V DC power supply circuit; IV is the PLC power circuit, and V and VII are the electromagnetic flowmeter configuration circuit, and VI is a power switch circuit.
Embodiment
Below in conjunction with drawings and Examples the present invention is described further:
Embodiment 1: the present invention as shown in Figure 1, wherein solenoid valve 6 is a two-position three way magnetic valve, motorized valve 10 is the bi-bit bi-pass motorized valve, Electromagnetic Flow is counted one, producer is: German E+H, model is: 53W15-UA0B1, diameter are 15mm.The PLC model is: CPM2A-40CDR-A, connected output module model is: CPM1A-8ER, the A/D converter model is: CPM1A-AD041, the place of production is all Japanese OMRON.Its physical construction comprises lower header 1, elevated tank 16, liquid level gauge 17, worktable 14, electric control system and main body frame, main body frame be fixed on two water tanks around, worktable 14 places lower header 1 top, its underpart is connected in the lower header 1 by pipeline, elevated tank 16 inside are equipped with liquid level gauge 17, and place worktable 14 tops, liquid level gauge 17 is DC24V, be used to measure water level, elevated tank 16 is used for test and supplies water, the height of elevated tank is used for the needed pressure of warranty test, its capacity is used for the warranty test water consumption, and lower header 1 links to each other with elevated tank 16 1 sides by water feed apparatus, and elevated tank 16 bottoms have water delivering orifice 9, be connected to by discharging device on the blade 13 of worktable 14 tops, elevated tank 16 opposite sides edge fixedly has overflow vent 15 in the water level place, is connected in the lower header 1 by pipeline, and the water that exceeds water level directly flows back to lower header 1, make elevated tank 16 keep water level constant, water feed apparatus is connected with electric control system respectively with discharging device and liquid level gauge 17.
Water feed apparatus comprises water pump 4, solenoid valve 6, water intaking valve 8, and the water inlet of water pump 4 is connected with lower header 1, and its water delivering orifice is connected with solenoid valve 6, water intaking valve 8 successively by pipeline, and the water return outlet of solenoid valve 6 is connected in the lower header 1; Discharging device comprises motorized valve 10, electromagnetic flowmeter 11, outlet valve 12 and tensimeter 7, and connects successively, and motorized valve 10 ends connect water delivering orifice 9, the pipeline that is connected with outlet valve 12 outlet and blade 13 contact position setting pressure tables 7; With overflow passage that overflow vent 15 is connected in surplus valve 18 is installed; Motorized valve 10 in solenoid valve 6 in the water feed apparatus, water intaking valve 8, the discharging device is connected with electric control system respectively with electromagnetic flowmeter 11.
Electric control system as shown in Figure 2, comprises PLC, electromagnetic flowmeter, liquid level gauge, A/D converter, PC monitoring machine, operator's console, printer.Operator's console is provided with various action buttons, be used for that process of the test operation control, mode are selected, state demonstration etc., various controls, shows signal connect by input port, the delivery outlet of the PLC in stube cable and the operator's console switch board, operator's console is provided with various pilot lamp, is used to show the duty of measuring machine; PLC is connected with the topworks of PC monitoring machine, operator's console and measurement mechanism respectively, its expansion mouth is connected with A/D converter by output module, A/D converter is connected by shielded cable respectively with liquid level gauge with the electromagnetic flowmeter of measurement mechanism, printer is connected with the PC monitoring machine, and each components and parts is connected with separately power control circuit respectively.Its topworks comprises solenoid valve 6, motorized valve 10 and pump motor, pump motor 5 is connected on the power circuit by control pump motor circuit I I, solenoid valve 6, motorized valve 10 are connected on the 24V power supply by relay respectively, its signal lamp separately is connected on the 24V power circuit, control by process by PLC, relay, 24V power supply, each signal lamp carries out corresponding state and shows respectively according to the program state testing result.The signal of electromagnetic flowmeter and liquid level gauge collection inputs to PLC by A/D converter, and by the PLC analytic signal, control executing mechanism shows by the PC monitoring machine.
Its power control circuit as shown in Figure 4, comprises conventional duty light indicating circuit I, control pump motor circuit I I, 24V DC power supply circuit III, PLC power circuit IV, electromagnetic flowmeter configuration circuit V, power switch circuit VI, each circuit is connected in parallel on the power circuit.Connect total power switch QF1, power light is bright, connects pump motor switch QF5, contactor KM adhesive, pump motor rotation, contactor KM normally opened contact closure is by the ON/OFF of PLC control electromagnetic valve and motorized valve and display filter obstruction, electromagnetic flowmeter, liquid level gauge fault.
It measures control method, according to the following steps operation:
1, beginning;
2, clamping blade;
3, connect general supply QF1;
4, connect control power supply, motor, electromagnetic flowmeter power supply QF2, QF3, QF4, QF5;
Are 5, control power supply, motor power, electromagnetic flowmeter power supply normally denied? if power supply is undesired, then system continues to detect power supply;
If 6 control power supplys, motor powers, electromagnetic flowmeter power supply are normal, then system carries out initialization;
Are 7, PLC, Electromagnetic Flow meter systems normally denied? if undesired, then system continues to detect PLC, Electromagnetic Flow meter systems;
If 8 is normal, start water pump;
9, begin to measure, open solenoid valve 6;
10, metering liquid level data and detection of dynamic;
11, is not liquid level OK? be whether liquid level reaches setting value, if liquid level does not reach setting value, then system turns back to previous step, proceeds to measure liquid level data and detection of dynamic;
If 12 liquid levels reach setting value, then liquid level gauge sends signal;
Is 13, the blade water outlet normally denied? if the blade water outlet is undesired, then adjust water intaking valve 8 and outlet valve 12;
If 14 blade water outlets are normal, then begin metering;
15, the flow g/s of metering electromagnetic flowmeter in 1 second;
16, whether system's judgement time is 1 second, if less than 1 second, system continues metering;
When 17, the metering time was 1 second, system stored the 1st second flow amount data and shows;
18, system's accumulative total is stored per 1 second data on flows;
19, whether system's judgement time is 1 minute, if less than 1 minute, system turns back to previous step, continues the cumulative measurement data;
When 20, the time was 1 minute, system stored 60 second flow amount data, and demonstration, printout, and metering stops; Display is implemented to show the per minute flow, carries out but stop the metering automatic or manual;
21, is not system reset? if then turn back to the 9th metering liquid level data and the detection of dynamic that goes on foot;
If 22 do not reset, then stop to measure;
23, stop water pump; Close solenoid valve 6, i.e. closed relay KA3;
24, the water tank cleaning is denied, if do not clear up, system continues inquiry;
If 25 cleanings, then system shows whether high water tank equals 0, if high water tank is not equal to 0, then continues cleaning;
If 26 high water tanks equal 0, then system works finishes; Close electromagnetic flowmeter, pump power, control power supply, 24V control power supply, general supply.
Embodiment 2: the present invention as shown in Figure 1, wherein Electromagnetic Flow is counted two, producer is: German E+H, model is: 53W25-UA0B1, diameter are respectively 15mm and 25mm; Solenoid valve 6 is a two-position three way magnetic valve, and the motorized valve 19 of the motorized valve 10 and second electromagnetic flowmeter is the bi-bit bi-pass motorized valve; The PLC model is: CPM2A-40CDR-A, connected output module model is: CPM1A-8ER, the A/D converter model is: CPM1A-AD041, the place of production is all Japanese OMRON.Its physical construction comprises lower header 1, elevated tank 16, liquid level gauge 17, worktable 14, water feed apparatus, two discharging devices, electric control system and main body frame, main body frame be fixed on two water tanks around, worktable 14 places lower header 1 top, its underpart is connected in the lower header 1 by pipeline, elevated tank 16 inside are equipped with liquid level gauge 17, and place worktable 14 tops, liquid level gauge 17 is DC24V, be used to measure water level, elevated tank 16 is used for test and supplies water, the height of elevated tank is used for the needed pressure of warranty test, its capacity is used for the warranty test water consumption, lower header 1 links to each other with elevated tank 16 1 sides by water feed apparatus, elevated tank 16 bottoms have two water delivering orifices, be connected on the blade 13 of worktable 14 tops by discharging device respectively, elevated tank 16 opposite sides edge fixedly has overflow vent 15 in the water level place, be connected in the lower header 1 by pipeline, the water that exceeds water level directly flows back to lower header 1, make elevated tank 16 keep water level constant, water feed apparatus is connected with electric control system respectively with discharging device and liquid level gauge 17.
Its electric control system, as shown in Figure 6, its annexation is identical with embodiment 1, and two electromagnetic flowmeters are connected on the A/D converter.Its power control circuit, as shown in Figure 7: comprise conventional duty light indicating circuit I, control pump motor circuit I I, 24V DC power supply circuit III, PLC power circuit IV, the first electromagnetic flowmeter configuration circuit V, power switch circuit VI, the second electromagnetic flowmeter configuration circuit VII, each circuit is connected in parallel on the power circuit.In the course of the work, wherein electromagnetic flowmeter work, another electromagnetic flowmeter is not worked, and selects according to the blade kind of measuring.The motorized valve 10 of solenoid valve 6, first electromagnetic flowmeter, motorized valve 19 control circuits of second electromagnetic flowmeter are: as shown in Figure 8, the motorized valve 10 of solenoid valve 6, first electromagnetic flowmeter, the motorized valve 19 of second electromagnetic flowmeter is connected on the 24V power supply by relay respectively, its signal lamp separately is connected on the 24V power circuit, control by process by PLC, relay, 24V power supply, each signal lamp carries out corresponding state and shows respectively according to the program state testing result.Its measuring method is identical with embodiment 1.
Claims (8)
1. gas turbine turbine cooled blade measuring water flow device, it is characterized in that comprising lower header, elevated tank, liquid level gauge, worktable, water feed apparatus, discharging device, electric control system and main body frame, main body frame be fixed on two water tanks around, worktable places the lower header top, its underpart is connected in the lower header by pipeline, elevated tank inside is equipped with liquid level gauge, and place above the worktable, lower header links to each other with elevated tank one side by water feed apparatus, the elevated tank bottom has water delivering orifice, be connected to by discharging device on the blade of worktable top, elevated tank opposite side edge fixedly has overflow vent in the water level place, be connected in the lower header by pipeline, water feed apparatus is connected with electric control system respectively with discharging device and liquid level gauge.
2. a kind of gas turbine turbine cooled blade measuring water flow device according to claim 1, it is characterized in that described water feed apparatus comprises water pump, solenoid valve, water intaking valve, the water inlet of water pump is connected with lower header, its water delivering orifice is connected with solenoid valve, water intaking valve successively by pipeline, and the water return outlet of solenoid valve is connected in the lower header; Discharging device comprises motorized valve, electromagnetic flowmeter, outlet valve and tensimeter, and connects successively, and the motorized valve end connects the water delivering orifice of elevated tank, the pipeline that is connected with outlet valve outlet and blade contact position setting pressure table; With overflow passage that overflow vent is connected in surplus valve is installed; Solenoid valve in the water feed apparatus, the motorized valve in the discharging device, electromagnetic flowmeter are connected with electric control system respectively.
3. a kind of gas turbine turbine cooled blade measuring water flow device according to claim 2 is characterized in that being connected with variable valve, filtrator in turn between the water inlet of described water pump and the lower header.
4. a kind of gas turbine turbine cooled blade measuring water flow device according to claim 1, it is characterized in that described electric control system comprises PLC, A/D converter, electromagnetic flowmeter, liquid level gauge, display, PC monitoring machine, operator's console, printer, PLC is connected with the topworks of PC monitoring machine, operator's console and measurement mechanism respectively, its expansion mouth is connected with A/D converter by output module, A/D converter is connected by shielded cable respectively with liquid level gauge with the electromagnetic flowmeter of measurement mechanism, and printer is connected with the PC monitoring machine.
5. a kind of gas turbine turbine cooled blade measuring water flow device according to claim 1 and 2, it is characterized in that described discharging device is provided with two, Electromagnetic Flow is counted two, have two water delivering orifices in the elevated tank bottom, be connected on the worktable by discharging device respectively, in electric control system, two electromagnetic flowmeters of discharging device are connected on the A/D converter of electric control system, two electromagnetic flowmeter configuration circuits are connected on the power circuit, and the motorized valve control circuit of two electromagnetic flowmeters is connected on the 24V DC source power circuit.
6. a kind of gas turbine turbine cooled blade measuring water flow device according to claim 2 is characterized in that described solenoid valve is a two-position three way magnetic valve, and motorized valve is the bi-bit bi-pass motorized valve.
7. a kind of gas turbine turbine cooled blade measuring water flow device according to claim 1 is characterized in that in a side of this apparatus main body framework staircase being installed.
8. adopt the measuring method of the described gas turbine turbine of claim 1 cooled blade measuring water flow device, it is characterized in that may further comprise the steps:
(1) beginning;
(2) clamping blade;
(3) connect general supply;
(4) connect control power supply, motor, electromagnetic flowmeter power supply;
Are (5) control power supply, motor power, electromagnetic flowmeter power supply normally denied? if power supply is undesired, then system continues to detect power supply;
(6) if control power supply, motor power, electromagnetic flowmeter power supply are normal, then system carries out initialization;
Are (7) PLC, Electromagnetic Flow meter systems normally denied? if undesired, then system continues to detect PLC, Electromagnetic Flow meter systems;
(8) if normal, start water pump;
(9) begin to measure;
(10) metering liquid level data and detection of dynamic;
(11) is not liquid level OK? be whether liquid level reaches setting value, if liquid level does not reach setting value, then system turns back to previous step, proceeds to measure liquid level data and detection of dynamic;
(12) if liquid level reaches setting value, then liquid level gauge sends signal;
Is (13) the blade water outlet normally denied? if the blade water outlet is undesired, then adjust water intaking valve and outlet valve;
(14), then begin metering if the blade water outlet is normal;
(15) the flow g/s of metering electromagnetic flowmeter in 1 second;
(16) whether system's judgement time is 1 second, if less than 1 second, system continues metering;
When (17) the metering time was 1 second, system stored the 1st second flow amount data and shows;
(18) system's accumulative total is stored per 1 second data on flows;
(19) whether system's judgement time is 1 minute, if less than 1 minute, system turns back to previous step, continues the cumulative measurement data;
When (20) time was 1 minute, system stored 60 second flow amount data, and demonstration, printout, and metering stops;
(21) is not system reset? if then turn back to the 9th metering liquid level data and the detection of dynamic that goes on foot;
(22), then stop to measure if do not reset;
(23) stop water pump;
(24) the water tank cleaning is denied, if do not clear up, system continues inquiry;
(25) if clear up, then system shows whether high water tank equals 0, if high water tank is not equal to 0, then continues cleaning;
(26) if high water tank equals 0, then system works finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100463920A CN100387941C (en) | 2006-04-25 | 2006-04-25 | Device and method for detecting water flow of gas tubine cooling blade |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100463920A CN100387941C (en) | 2006-04-25 | 2006-04-25 | Device and method for detecting water flow of gas tubine cooling blade |
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| CN1858560A CN1858560A (en) | 2006-11-08 |
| CN100387941C true CN100387941C (en) | 2008-05-14 |
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| CNB2006100463920A Expired - Fee Related CN100387941C (en) | 2006-04-25 | 2006-04-25 | Device and method for detecting water flow of gas tubine cooling blade |
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| CN102435232A (en) * | 2011-09-05 | 2012-05-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Flow test equipment for inner cavity of engine blade |
| CN105806874B (en) * | 2016-03-17 | 2018-05-11 | 上海发电设备成套设计研究院 | The cold effect experimental rig of the expansion ratios such as the full temperature of combustion engine turbine blade |
| CN105806873B (en) * | 2016-03-17 | 2018-12-11 | 上海发电设备成套设计研究院 | The cold effect experimental rigs of expansion ratios such as combustion engine turbine blade cooling |
| CN106706290A (en) * | 2016-12-21 | 2017-05-24 | 四川成发普睿玛机械工业制造有限责任公司 | Water flow rate testing device of turbine blade of aviation engine |
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| CN107588819A (en) * | 2017-09-28 | 2018-01-16 | 中国航发动力股份有限公司 | A kind of micro-porous electrode flow testing device and method |
| CN110017874B (en) * | 2019-04-24 | 2020-11-10 | 中国水利水电科学研究院 | Runoff measuring device and runoff measuring method |
| CN110243859B (en) * | 2019-06-12 | 2020-04-28 | 西安交通大学 | Rotary heat transfer experiment system and method for turbine blade cooling performance test |
| CN113176085B (en) * | 2021-04-30 | 2024-01-02 | 江苏江航智飞机发动机部件研究院有限公司 | Aeroengine hot end turbine hollow blade profile detection device |
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| CN2092089U (en) * | 1991-03-07 | 1992-01-01 | 机械电子工业部天津工程机械研究所 | Liquid flowmeter |
| CN2164058Y (en) * | 1993-09-29 | 1994-05-04 | 刘晓林 | Microcomputer-control liquid quantitative filling device |
| CN2317934Y (en) * | 1996-11-27 | 1999-05-12 | 宜兴市水质处理设备厂 | Pressure-self-controlled dissolved-air water generator |
| CN2578797Y (en) * | 2002-10-23 | 2003-10-08 | 沈阳黎明航空发动机(集团)有限责任公司 | Device for testing water flow volume of turbine blade |
| JP2004344831A (en) * | 2003-05-26 | 2004-12-09 | Tsurumi Mfg Co Ltd | Method and apparatus for adjusting supply amount of solid sludge in sludge dehydrator |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092089U (en) * | 1991-03-07 | 1992-01-01 | 机械电子工业部天津工程机械研究所 | Liquid flowmeter |
| CN2164058Y (en) * | 1993-09-29 | 1994-05-04 | 刘晓林 | Microcomputer-control liquid quantitative filling device |
| CN2317934Y (en) * | 1996-11-27 | 1999-05-12 | 宜兴市水质处理设备厂 | Pressure-self-controlled dissolved-air water generator |
| CN2578797Y (en) * | 2002-10-23 | 2003-10-08 | 沈阳黎明航空发动机(集团)有限责任公司 | Device for testing water flow volume of turbine blade |
| JP2004344831A (en) * | 2003-05-26 | 2004-12-09 | Tsurumi Mfg Co Ltd | Method and apparatus for adjusting supply amount of solid sludge in sludge dehydrator |
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| CN1858560A (en) | 2006-11-08 |
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