CN109374234B - Examine the pilot system and method for becoming circulation compressor adsorption system leakproofness - Google Patents
Examine the pilot system and method for becoming circulation compressor adsorption system leakproofness Download PDFInfo
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- CN109374234B CN109374234B CN201811487736.0A CN201811487736A CN109374234B CN 109374234 B CN109374234 B CN 109374234B CN 201811487736 A CN201811487736 A CN 201811487736A CN 109374234 B CN109374234 B CN 109374234B
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- circulation compressor
- adsorption system
- compressor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
This application discloses a kind of examine to become the pilot system for recycling compressor adsorption system leakproofness, belongs to turbomachine experimental technique field, and pilot system includes: to become circulation compressor；Adsorption system, adsorption system include absorbing unit at least all the way, and absorbing unit is arranged in parallel and is connected to the fuselage position for becoming circulation compressor；Air intake assembly and gas deflation assembly, air intake assembly are connected to change circulation compressor air inlet machine end, and gas deflation assembly is connected to the gas deflation assembly for becoming circulation compressor outlet side.Become the pilot system and method for circulation compressor adsorption system leakproofness by using the inspection that the application proposes, realize the adsorption system Leakage Test of static (it is inoperative to become circulation compressor), it can efficiently complete to become the inspection for recycling compressor adsorption system leakproofness, the exposure absorption system sealing problem before becoming circulation Capability of Compressor admission test, it reduces and becomes circulation Compressor test risk, with high reliability and safety, experimentation cost is reduced.
Description
Technical field
The application belongs to turbomachine experimental technique field, in particular to a kind of to become circulation compressor absorption system for examining
The pilot system and method for leakproofness of uniting.
Background technique
In variable cycle engine, in core engine driving fan grade (Core Driven Fan Stage, CDFS) and high pressure pressure
Duct before being arranged before mechanism of qi, the variation of the bypass ratio can change the flow into core engine, to change CDFS and high pressure pressure
The working condition of mechanism of qi.The CDFS grade usually pressure ratio for becoming circulation compressor is low, and autonomous exhaust capacity is weak, needs by adsorption system
Meet extraction flow requirement, it is accurate that the leakproofness of adsorption system is directly measured concerning CDFS grades of exhaust capacity and extraction flow
Property.Therefore examining the test method for becoming circulation compressor adsorption system leakproofness is to guarantee that becoming circulation Compressor test smoothly carries out
Key.
Using the test for examining change circulation compressor adsorption system leakproofness in change circulation Capability of Compressor admission test
Method, corresponding experimentation cost are increased, and relevant portion works together operating, and reliability and safety will be greatly reduced, skill
Art risk is higher.
Summary of the invention
There is provided a kind of examine to become the pilot system and the side that recycle compressor adsorption system leakproofness for the purpose of the application
Method, it is any of the above-described to solve the problems, such as.
The technical solution of the application is: a kind of pilot system for examining change circulation compressor adsorption system leakproofness, described
Pilot system includes: to become circulation compressor；Adsorption system, the adsorption system include absorbing unit at least all the way, the suction
Coupon member is arranged in parallel and is connected to the fuselage position for becoming circulation compressor；
Air intake assembly and gas deflation assembly, the air intake assembly are connected to change circulation compressor air inlet machine end, the exhaust
Component is connected to change circulation compressor outlet side.
In embodiments herein, shown absorbing unit includes absorption pipeline, measurement nozzle, exhaust regulating valve, water ring
Vacuum pump, it is described absorption pipeline be connected to it is described become circulation compressor main body section and the absorption pipeline and measurement nozzle, arrange
Gas regulating valve and water ring vacuum pump are in turn connected to form access.
In embodiments herein, the measurement nozzle is Venturi nozzle.
In embodiments herein, shown absorbing unit further includes cooler, and the cooler is set to the exhaust
Between regulating valve and the water ring vacuum pump.
In embodiments herein, the air intake assembly includes inlet air flow buret, air inlet group section and pressurizer tank, described
Inlet air flow buret, air inlet group section and pressurizer tank are in turn connected to form access and are connected to the air inlet for becoming circulation compressor
End.
In embodiments herein, the gas deflation assembly 30 includes exhaust throttle and exhaust volute, the exhaust section
Valve is connected to the change circulation compressor outlet side and is in turn connected to form access with exhaust volute.
Present invention also provides a kind of examine to become the test method for recycling compressor adsorption system leakproofness, using institute as above
The pilot system stated, the test method include: to close to be connected to the outlet side for becoming circulation compressor；Detection is connected to institute
State the inlet flow rate for becoming the input end of circulation compressor；Detection is connected to the discharge stream of the adsorption system for becoming circulation compressor
Amount；The difference for calculating the inlet flow rate Yu the delivery flow judges the leakproofness of the adsorption system according to the difference
Whether meet the requirements.
In embodiments herein, the difference is within ± the 5% of measurement nozzle maximum stream flow.
In embodiments herein, the detection is connected to the inlet flow rate for becoming circulation compressor and passes through inlet air flow
Buret measures, and detection is connected to the delivery flow of the adsorption system for becoming circulation compressor by measuring nozzle measurement.
In embodiments herein, the delivery flow of the adsorption system is provided by the water ring vacuum pump, the water
The revolving speed of ring vacuum pump is between 300~470r/min.
Become the pilot system and method for circulation compressor adsorption system leakproofness by using the inspection that the application proposes, it is real
The adsorption system Leakage Test of existing static (it is inoperative to become circulation compressor) can efficiently be completed to become circulation compressor absorption
The inspection of system sealing, the exposure absorption system sealing problem before becoming circulation Capability of Compressor admission test, reduces to become and follow
Ring Compressor test risk has high reliability and safety, reduces experimentation cost.
Detailed description of the invention
In order to illustrate more clearly of technical solution provided by the present application, attached drawing will be briefly described below.It is aobvious and easy
Insight, drawings discussed below are only some embodiments of the present application.
Fig. 1 is that the inspection of the application becomes the pilot system figure of circulation compressor adsorption system leakproofness.
Appended drawing reference:
10- becomes circulation compressor, and 11- becomes circulation Compressor test part；
20- air intake assembly, 21- inlet air flow buret, 22- air inlet group section, 23- pressurizer tank；
30- gas deflation assembly, 31- exhaust throttle, 32- exhaust volute；
40- adsorption system, 41- adsorb pipeline, 42- Venturi nozzle, 43- exhaust regulating valve, 44- cooler, 45- water ring
Vacuum pump.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.
In the description of the present application, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application protection scope.
Such as Fig. 1, the pilot system that the inspection of the application becomes circulation compressor adsorption system leakproofness mainly includes four parts:
Become circulation compressor 10, adsorption system 40, air intake assembly 20 and gas deflation assembly 30, wherein adsorption system 40 includes at least all the way
Absorbing unit, absorbing unit is arranged in parallel and is connected to the fuselage position for becoming circulation compressor 10, and air intake assembly 20 is connected to
Become circulation 10 inlet end of compressor, gas deflation assembly 30 is connected to change circulation 10 outlet side of compressor.
In embodiments herein, becomes circulation compressor 10 and tested using circulation Compressor test part 11 is become.
Air intake assembly 20 includes inlet air flow buret 21, air inlet group section 22 and pressurizer tank 23, and inlet air flow buret 21, air inlet turn
It connects and is sequentially connected between section 22, pressurizer tank 23 using flange.For the leakproofness during guarantee test, pressurizer tank 3 is followed with change
Ring Compressor test part 4 uses the connection type of sealing rubber ring and pressure ring.
Air intake assembly 30 includes exhaust throttle 31 and exhaust volute 32, becomes circulation Compressor test part 11, exhaust solar term
Door 31, exhaust volute 32 are successively fixedly mounted using seam allowance cooperation positioning method.
Absorption pipeline 41, measurement nozzle 42, exhaust regulating valve 43 and Water-ring vacuum pump group 45 collectively form change circulation and calm the anger
The absorbing unit all the way of the adsorption system 40 of machine 10, the absorbing unit shown in the drawings for two-way of the present embodiment, according to need
It wants or structure limits, the absorbing unit of more multichannel can be used.Adsorb pipeline 41, measurement nozzle 42, exhaust regulating valve 43 and water
Flanged joint is used between ring vacuum pump group 45.
In embodiments herein, measurement nozzle 42 uses Venturi nozzle, and Venturi nozzle can be with precise measurement one
Flow in the absorbing unit of road.
In embodiments herein, absorbing unit further includes cooler 44, and cooler 41 is arranged in exhaust regulating valve 43
Between Water-ring vacuum pump group 45.Become in circulation compressor 10 since in measurement process, flow is flowed into from inlet air flow buret 21
Portion, air-flow can be got higher by compressing from temperature, after introducing adsorption system in the middle part of change circulation compressor 10, need to be cooled down to it, with
Improve measurement accuracy.
After taking the pilot system as above of the application, the application also proposed a kind of inspection change circulation compressor absorption system
The test method for leakproofness of uniting realizes the inspection for becoming circulation compressor adsorption system leakproofness using the individual method of static testing
It tests, realizing the test method of Leakage Test, steps are as follows:
(1) determine that the system for examining adsorption system leakproofness static test is constituted；Compressor test platform is recycled according to becoming
Structure and function feature, determine the pilot system of static test, pilot system includes becoming circulation compressor 10 (using becoming circulation
Compressor test part 11), adsorption system 40 (absorption pipeline 41, measurement nozzle 42, exhaust regulating valve 43, cooler 44 and water ring
Vacuum pump 45), air intake assembly 20 (inlet air flow buret 1, air inlet group section 2 and pressurizer tank 3) and 30 (exhaust throttle of gas deflation assembly
31 and exhaust volute 32).
(2) each system mode for examining adsorption system leakproofness static test is determined；According to the requirement of Leakage Test, really
Determine the switch state of static test adjustable system (exhaust throttle 31 and exhaust regulating valve 43).All close exhaust throttles and
Exhaust regulating valve forms inlet air flow buret 1 to the sealing static test environment between Water-ring vacuum pump group 11.
(3) test method for examining adsorption system leakproofness static test is determined；According to the system of above-mentioned determination constitute and
System mode opens water ring vacuum pump 45, and 300~470r/min of revolving speed uses 350r/min in the present embodiment, carries out static fortune
Turn test, from 21 air inlet of inlet air flow buret, (45 course of work of water ring vacuum pump is to take out from two exhausts of Water-ring vacuum pump group 45
Gas), the relationship of the sum of inlet air flow buret measuring flow and two-way Venturi nozzle measuring flow is compared, is judged according to the two difference
Whether the leakproofness of adsorption system meets the requirements.If difference is within ± the 0.5% of Venturi nozzle maximum stream flow, static state examination
It tests the leakproofness of pipe in line and junction in adjustable system and is judged as that adsorption system leakproofness is good, and then complete to become circulation pressure
The inspection of mechanism of qi adsorption system leakproofness.
Become the pilot system and method for circulation compressor adsorption system leakproofness by using the inspection that the application proposes, it is real
The adsorption system Leakage Test of existing static (it is inoperative to become circulation compressor) can efficiently be completed to become circulation compressor absorption
The inspection of system sealing, the exposure absorption system sealing problem before becoming circulation Capability of Compressor admission test, reduces to become and follow
Ring Compressor test risk has high reliability and safety, reduces experimentation cost.
Claims (10)
1. a kind of examine the pilot system for becoming circulation compressor adsorption system leakproofness, which is characterized in that the pilot system packet
It includes
Become circulation compressor (10)；
Adsorption system (40), the adsorption system (40) include absorbing unit at least all the way, and the absorbing unit is arranged in parallel
And it is connected to the fuselage position for becoming circulation compressor (10)；
Air intake assembly (20) and gas deflation assembly (30), the air intake assembly (20) are connected to described change circulation compressor (10) air inlet
End, the gas deflation assembly (30) are connected to change circulation compressor (10) outlet side.
2. as described in claim 1 examine the pilot system for becoming circulation compressor adsorption system leakproofness, which is characterized in that institute
Show that absorbing unit includes absorption pipeline (41), measurement nozzle (42), exhaust regulating valve (43), water ring vacuum pump (45), the suction
Attached pipeline (41) be connected to it is described become circulation compressor (10) main body section and the absorption pipeline (41) with measure nozzle (42),
Exhaust regulating valve (43) and water ring vacuum pump (45) are in turn connected to form access.
3. as claimed in claim 2 examine the pilot system for becoming circulation compressor adsorption system leakproofness, which is characterized in that institute
Stating measurement nozzle (42) is Venturi nozzle.
4. examining the pilot system for becoming circulation compressor adsorption system leakproofness as claimed in claim 2 or claim 3, feature exists
In shown absorbing unit further includes cooler (44), and the cooler (44) is set to the exhaust regulating valve (43) and described
Between water ring vacuum pump (45).
5. as described in claim 1 examine the pilot system for becoming circulation compressor adsorption system leakproofness, which is characterized in that institute
Stating air intake assembly (20) includes inlet air flow buret (21), air inlet group section (22) and pressurizer tank (23), the inlet air flow buret
(21), air inlet group section (22) and pressurizer tank (23), which are in turn connected to form access and are connected to described become, recycles compressor (10)
Inlet end.
6. as described in claim 1 examine the pilot system for becoming circulation compressor adsorption system leakproofness, which is characterized in that institute
Stating gas deflation assembly (30) includes exhaust throttle (31) and exhaust volute (32), and the exhaust throttle (31) is connected to the change
It recycles compressor (10) outlet side and is in turn connected to form access with exhaust volute (32).
7. a kind of examine the test method for becoming circulation compressor adsorption system leakproofness, using as described in claim 1 to 6 is any
Pilot system, which is characterized in that the test method includes
Closing is connected to the outlet side for becoming circulation compressor (10)；
Detection is connected to the inlet flow rate of the input end for becoming circulation compressor (10)；
Detection is connected to the delivery flow of the adsorption system (40) for becoming circulation compressor (10)；
The difference for calculating the inlet flow rate Yu the delivery flow judges the leakproofness of the adsorption system according to the difference
Whether meet the requirements.
8. as claimed in claim 7 examine the test method for becoming circulation compressor adsorption system leakproofness, which is characterized in that institute
Difference is stated within ± the 5% of measurement nozzle maximum stream flow.
9. as claimed in claim 7 examine the test method for becoming circulation compressor adsorption system leakproofness, which is characterized in that institute
It states detection and is connected to the inlet flow rate for becoming circulation compressor by inlet air flow buret (21) measurement, and detect and be connected to institute
The delivery flow for stating the adsorption system for becoming circulation compressor passes through measurement nozzle (42) measurement.
10. as claimed in claim 7 examine the test method for becoming circulation compressor adsorption system leakproofness, which is characterized in that
The delivery flow of the adsorption system (40) is provided by the water ring vacuum pump (45), and the revolving speed of the water ring vacuum pump (45) exists
Between 300~470r/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811487736.0A CN109374234B (en) | 2018-12-06 | 2018-12-06 | Examine the pilot system and method for becoming circulation compressor adsorption system leakproofness |
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| CN201811487736.0A CN109374234B (en) | 2018-12-06 | 2018-12-06 | Examine the pilot system and method for becoming circulation compressor adsorption system leakproofness |
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| CN109374234A CN109374234A (en) | 2019-02-22 |
| CN109374234B true CN109374234B (en) | 2019-08-23 |
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2018
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|---|---|---|---|---|
| US5576493A (en) * | 1993-11-19 | 1996-11-19 | Sowinski; Richard F. | Method and means for filtering contaminants from a gas stream to detect filter condition in situ |
| JPH09145521A (en) * | 1995-11-20 | 1997-06-06 | Daihatsu Motor Co Ltd | Airtightness tester for fuel tank |
| CN102128710A (en) * | 2010-12-22 | 2011-07-20 | 联合汽车电子有限公司 | Air leakage testing device and method for air inlet pipe of turbo supercharged engine |
| CN105352676A (en) * | 2015-09-29 | 2016-02-24 | 北京理工大学 | Measurement method of air leakage of compressor and turbine of turbocharger |
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