CN108953204A - Pipeline compressor performance test method and system - Google Patents
Pipeline compressor performance test method and system Download PDFInfo
- Publication number
- CN108953204A CN108953204A CN201810671814.6A CN201810671814A CN108953204A CN 108953204 A CN108953204 A CN 108953204A CN 201810671814 A CN201810671814 A CN 201810671814A CN 108953204 A CN108953204 A CN 108953204A
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- CN
- China
- Prior art keywords
- pipeline
- compressor
- compressor performance
- inlet
- pilot system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
Abstract
The invention discloses pipeline compressor performance pilot system, the inlet ductwork including the inlet end connection with compressor, the export pipeline with the outlet side connection of compressor, the air inlet ancillary equipment with the upstream end connection of inlet ductwork；With the driving equipment of the main shaft connection of compressor, in which: be provided with the orifice plate of measuring flow in the inlet ductwork；The valve for adjusting flow is provided on the export pipeline；The inlet ductwork and the export pipeline are provided with cooler on the cross over pipe road of the inlet ductwork and the export pipeline by pipeline connection；The pipeline compressor performance pilot system and method, the declared working condition of compressor to be tested is simulated using nitrogen and testing inspection is carried out to its unfailing performance under its declared working condition, its accordance with design is judged, to guarantee to manufacture the reliable devoid of risk of compressor of factory.
Description
Technical field
The present invention relates to compressor performance test method more particularly to pipeline compressor performance pilot system and methods.
Background technique
Compressor used in pipeline compressor station, product design, processing and manufacturing quality, aeroperformance index, it is necessary to satisfied
The requirement of quality product, the compressor of each station require to carry out the thermal performance test of surrogate gas in factory.
Currently, the producer of production compressor is after the completion of production and assembly compressor mostly, due to by plant produced condition
Limitation, the factory for producing compressor tends not to detect the performance of compressor, or is only limitted to its mechanical performance
Field investigation, this allows for compressor, and there are certain risks in performance reliable for operation in practical applications.
Summary of the invention
In order to overcome the drawbacks of the prior art, the present invention proposes a kind of pipeline compressor performance test method and system.
Pipeline of the present invention compressor performance pilot system, the inlet tube including the inlet end connection with compressor
Road, the export pipeline with the outlet side connection of compressor, the air inlet ancillary equipment with the upstream end connection of inlet ductwork；With compression
The driving equipment of the main shaft connection of machine, in which:
The orifice plate of measuring flow is provided in the inlet ductwork；
The valve for adjusting flow is provided on the export pipeline；
The inlet ductwork and the export pipeline pass through pipeline connection；
And/or；
Cooler is provided on the cross over pipe road of the inlet ductwork and the export pipeline.
Further, which is characterized in that be provided with blow valve on the export pipeline.
Further, which is characterized in that be provided with outlet on the pipeline between the cooler and the inlet ductwork
Valve.
Further, which is characterized in that the air inlet ancillary equipment includes high pressure tank, in the air inlet pipeline and institute
It states and is parallel with tonifying Qi regulating device on the pipeline between high pressure tank.
Further, which is characterized in that the air inlet ancillary equipment further includes liquid nitrogen pump and evaporator, the liquid nitrogen pump,
The evaporator, the high pressure tank successively connection.
Further, which is characterized in that the air inlet ancillary equipment further includes liquid nitrogen container, the liquid nitrogen container and the liquid nitrogen
The upstream end connection of pump.
Further, which is characterized in that the driving equipment includes motor, speed changer, fluid coupling, in which:
The motor is connect by the fluid coupling with the speed changer；
The connection of the main shaft of the speed changer and compressor.
On the other hand, a kind of pipeline compressor performance test method of the present invention, to the pipeline compressor
Performance test system carries out test gas twice and replaces；
Test pressure is carried out with compressor performance pilot system to the pipeline and tests rotational speed regulation；
Aeroperformance test is carried out to system.
Further, which is characterized in that described to include: to system progress aeroperformance test
Measure the measurement stagnation flow point of the system；
And/or；
Measure the design discharge point of the system；
And/or；
Measure the Surging flow point of the system.
Further, the Surging flow point for measuring the system includes:
After the system operating temperature stablize after, respectively adjust revolving speed to rated point 105%, 100%, 90%, 80%,
70%, accordingly, when gradually turning down flow to the system and surging condition occur, record Surging flow value.
Pipeline of the present invention compressor performance pilot system and method, compressor to be tested is simulated using nitrogen
Declared working condition and under its declared working condition to its unfailing performance carry out testing inspection, judge its accordance with design, with protect
Card manufactures the reliable devoid of risk of compressor of factory.
Detailed description of the invention
When considered in conjunction with the accompanying drawings, by referring to following detailed description, the present invention can be more completely and better understood with
And be easy to learn many adjoint advantages, but the drawings described herein are used to provide a further understanding of the present invention,
A part of the invention is constituted, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute to this hair
Bright improper restriction is such as schemed wherein:
Fig. 1 is pipeline compressor performance test system architecture figure described in the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings of the specification, to the specific of pipeline of the present invention compressor performance test method and system
Embodiment is illustrated.
One, pipeline compressor performance pilot system embodiment:
As shown in Figure 1, a kind of pipeline compressor performance pilot system described in the present embodiment, including with compressor 1
The inlet ductwork 4 of inlet end connection, the export pipeline 5 with the outlet side connection of compressor 1 join with the upstream end of inlet ductwork 4
Logical air inlet ancillary equipment；With the driving equipment of the main shaft connection of compressor 1, in which: be provided with measurement stream in inlet ductwork 4
The orifice plate 6 of amount；The valve 7 for adjusting flow is provided on export pipeline 5；Inlet ductwork 4 and export pipeline 5 pass through pipeline
Connection makes inlet ductwork 4, compressor 1, export pipeline 5 at a closed circulation system；In inlet ductwork 4 and export pipeline 5
Cross over pipe road is provided with cooler 8；
Start driving equipment, make compressor operating, test gas enters pressure by inlet ductwork 4 by air inlet ancillary equipment
Contracting machine 1, then flowed out by export pipeline 5, a part of test gas flowed out from export pipeline 5 is after subcooler 8 is cooling, energy
It is enough to enter compressor 1 again by inlet ductwork 4, carry out the performance test of compressor 1；
Preferably, blow valve 9 is provided on export pipeline 5；It is set on pipeline between cooler 8 and inlet ductwork 4
It is equipped with outlet valve 7；
Air inlet ancillary equipment includes high pressure tank 13, on the pipeline between air inlet pipeline 4 and high pressure tank 13 simultaneously
It is associated with tonifying Qi regulating device 14.Tonifying Qi regulating device 14 is parallel on pipeline between air inlet pipeline 4 and high pressure tank 13.
Air inlet ancillary equipment further includes liquid nitrogen pump 11 and evaporator 12, liquid nitrogen pump 11, evaporator 12, high pressure tank 13 successively connection.
Air inlet ancillary equipment further includes liquid nitrogen container 10, the upstream end connection of liquid nitrogen container 10 and liquid nitrogen pump 11.
Preferably, driving equipment includes motor 15, speed changer 2, fluid coupling 3, in which: motor 15 passes through coupling fluid-structure
Device 3 is connect with speed changer 2；Speed changer 2 is connect with the main shaft of compressor 1.
This pilot system is simulated the declared working condition of compressor 1 to be tested using nitrogen and can to it under its declared working condition
Testing inspection is carried out by performance, judges its accordance with design, to guarantee that the compressor for manufacturing factory is reliable calm
Danger.
According to ASME PTC-10 standard, using the aeroperformance of closed circuit pilot system measurement compressor, measurement
Parameter specifically includes that inlet pressure P1, outlet pressure P2；Inlet temperature t1, outlet temperature t2, flow (orifice differential pressure), upstream
Pressure Pup, upstream temperature tup, revolving speed n etc..Gas temperature is measured using Pt100 platinum resistance.Pressure can with precision pressure gauge or
Pressure transmitter measurement.Flow is measured by orifice plate, difference gauge.Power determines that radiation loss can use casing table using heat balance method of
Area computation method determines.Mechanical loss uses design value.Magnetoelectricity impulse tachometer can be used in revolving speed or portable digital turns
Fast table measurement.Point position is arranged (measuring point position as shown in fig. 1) in strict accordance with ASME-PTC10 standard regulation.
Two, pipeline compressor performance test method embodiment:
Table 1 is the design parameter value of Compressor Group described in the present embodiment；
Table 1, design parameter
Nitrogen is suppressed, higher than the maximum pressure under experimental condition, checks the closed of test macro described in above-described embodiment
Performance.Nitrogen is sent into nitrogen air accumulator 10 by nitrogen tank car, and nitrogen is transported to steaming through liquid nitrogen air pump 11 in nitrogen air accumulator 10
It sends out in device 12, is filled in high pressure tank 13 through evaporator 12, then by high pressure tank 13 through adding gas control device 14 automatically
It is sent into enclosed test pipeline.
(1) test gas displacement twice is carried out with compressor performance pilot system to the pipeline；
The air in closed circuit must be removed before nitrogen is filled with system, test gas will be filled in pipeline to 50kPa
It bleeds off, carries out 2 times and 98% or more (not up to purity continues to replace) is reached with guarantee test gas purity with pressed gas displacement.
(2) test pressure is carried out with compressor performance pilot system to the pipeline and tests rotational speed regulation；
7 standard-sized sheet of outlet valve is filled with test gas to closed circuit when unit static state, reaches the calculating pressure of nitrogen simulation test
After power, start compressor, and gradually slowly adjust generating unit speed, revolving speed is made to reach the calculating revolving speed of nitrogen simulation test.
Pipeline sampling constituent analysis is carried out before test and with gas chromatographicanalyzer during test, it is pure with guarantee test gas
Degree reaches 98% or more (not up to purity continues to replace or inflate).
(3) aeroperformance test is carried out to system；
After confirming that unit normally steadily operates 30 minutes, after proving that machine operation and measuring instrumentss are normal on inspection, enter
Aeroperformance test, it is entire to test process by the maintenance inlet pressure of automatic air supply device 14 in the pressure of experimental condition, pass through
8 runoff investigation gas inlet temperature of cooler meets experimental condition.
Under conditions of inlet pressure is constant, operating condition is adjusted with outlet valve 7, operating point includes but is not limited to stagnation flow
Point, design point and Surging flow point.Each operating point (about needs 30 minutes) to be recorded after temperature is stablized.
Wherein minimum discharge operating condition is surging condition, be by repeated authentication is in above-mentioned test at least twice, for determination
Its surge line, in the case where guaranteeing unit safety normal operating conditions, rotational speed regulation rated point 105%, 100%, 90%,
80%, it in the case of 70%, measures and counts flow value when there is surging condition, as shown in table 2, breathed heavily according to measured value
Shake the test of line, further determined that according to surge line unit antisurging line (it is specific calculate and draw mode be this field
Know, details are not described herein).
Table 2, pumping point record
Inlet pressure is automatically adjusted by tonifying Qi regulating device 14 according to the pressure that each experiment calculation is set.It has tested
Finish and open outlet valve 7, and slowly open blow valve 9, pressure is down to 60kPa (G) and can stop.The above operating process need to delay very much
Slow-motion row, and Vibration Condition is observed simultaneously, stop pressure at once if surge phenomenon occurs in unit and adjust, opens blow valve rapidly
9, in performance test overall process, notice that the test data for observing all machine operations guarantees that unit steadily operates normally.
As above, embodiments of the present invention are described in detail, it is clear that as long as of the invention essentially without being detached from
Inventive point and effect, obvious variations to those skilled in the art, are also integrally incorporated in protection of the invention
Within the scope of.
Claims (10)
1. a kind of pipeline compressor performance pilot system, other are characterized in that, including the inlet end connection with compressor (1)
Inlet ductwork (4), the export pipeline (5) with the outlet side connection of compressor (1), with the upstream end connection of inlet ductwork (4)
Air inlet ancillary equipment；With the driving equipment of the main shaft connection of compressor (1), in which:
The orifice plate (6) of measuring flow is provided on the inlet ductwork (4)；
The valve (7) for adjusting flow is provided on the export pipeline (5)；
The inlet ductwork (4) and the export pipeline (5) pass through pipeline connection；
And/or；
The cross over pipe of the inlet ductwork (4) and the export pipeline (5) road is provided with cooler (8).
2. pipeline according to claim 1 compressor performance pilot system, which is characterized in that in the export pipeline
(5) blow valve (9) are provided on.
3. pipeline according to claim 2 compressor performance pilot system, which is characterized in that in the cooler (8)
Outlet valve (7) are provided on pipeline between the inlet ductwork (4).
4. pipeline according to claim 3 compressor performance pilot system, which is characterized in that the air inlet ancillary equipment
Including high pressure tank (13), benefit is parallel on the pipeline between the air inlet pipeline (4) and the high pressure tank (13)
Gas control device (14).
5. pipeline according to claim 4 compressor performance pilot system, which is characterized in that the air inlet ancillary equipment
It further include liquid nitrogen pump (11) and evaporator (12), the liquid nitrogen pump (11), the evaporator (12), the high pressure tank (13)
Successively connection.
6. pipeline according to claim 5 compressor performance pilot system, which is characterized in that the air inlet ancillary equipment
It further include liquid nitrogen container (10), the upstream end connection of the liquid nitrogen container (10) and the liquid nitrogen pump (11).
7. pipeline according to claim 1 compressor performance pilot system, which is characterized in that the driving equipment includes
Motor (15), speed changer (2), fluid coupling (3), in which:
The motor (15) is connect by the fluid coupling (3) with the speed changer (2)；
The speed changer (2) connect with the main shaft of compressor (1).
8. a kind of pipeline compressor performance test method characterized by comprising
Test gas displacement twice is carried out with compressor performance pilot system to the pipeline；
Test pressure is carried out with compressor performance pilot system to the pipeline and tests rotational speed regulation；
Aeroperformance test is carried out to system.
9. pipeline according to claim 8 compressor performance test method, which is characterized in that described to carry out gas to system
Dynamic performance test includes:
Measure the measurement stagnation flow point of the system；
And/or；
Measure the design discharge point of the system；
And/or；
Measure the Surging flow point of the system.
10. pipeline according to claim 9 compressor performance test method, which is characterized in that measure the system
Surging flow point includes:
After the system operating temperature stablize after, respectively adjust revolving speed to rated point 105%, 100%, 90%, 80%,
70%, accordingly, when gradually turning down flow to the system and surging condition occur, record Surging flow value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671814.6A CN108953204A (en) | 2018-06-26 | 2018-06-26 | Pipeline compressor performance test method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671814.6A CN108953204A (en) | 2018-06-26 | 2018-06-26 | Pipeline compressor performance test method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953204A true CN108953204A (en) | 2018-12-07 |
Family
ID=64486879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810671814.6A Pending CN108953204A (en) | 2018-06-26 | 2018-06-26 | Pipeline compressor performance test method and system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108953204A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441785A (en) * | 2019-01-10 | 2019-03-08 | 贵州电网有限责任公司 | A kind of compressed-air energy storage compressor system and its control method |
| CN114109884A (en) * | 2021-11-16 | 2022-03-01 | 西安热工研究院有限公司 | On-site examination test method for air cooling fan |
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| JP2007247566A (en) * | 2006-03-16 | 2007-09-27 | Ihi Corp | Compressor performance test method and compressor performance test device |
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| CN102734149A (en) * | 2012-07-19 | 2012-10-17 | 浙江强盛压缩机制造有限公司 | Compressor performance testing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441785A (en) * | 2019-01-10 | 2019-03-08 | 贵州电网有限责任公司 | A kind of compressed-air energy storage compressor system and its control method |
| CN114109884A (en) * | 2021-11-16 | 2022-03-01 | 西安热工研究院有限公司 | On-site examination test method for air cooling fan |
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Application publication date: 20181207 |