CN107091779A - A kind of safety valve spring performance testing device and operating method - Google Patents
A kind of safety valve spring performance testing device and operating method Download PDFInfo
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- CN107091779A CN107091779A CN201710528723.2A CN201710528723A CN107091779A CN 107091779 A CN107091779 A CN 107091779A CN 201710528723 A CN201710528723 A CN 201710528723A CN 107091779 A CN107091779 A CN 107091779A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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Abstract
The invention discloses a kind of safety valve spring performance testing device and method, belong to oil refining equipment safety technical field.It is characterized in that：The device includes steam loading system, corrosive gas loading system and safety valve spring performance evaluating system, and steam loading system is connected by 2# valves with corrosivity loading system, and corrosivity loading system is connected by 4# valves with safety valve spring evaluating system；Described safety valve performance evaluating system includes slow tensilometer, high temperature and high pressure kettle.It is may be implemented in using the device in HTHP and corrosive environment and performance test carried out to safety valve spring：Steam or corrosive gas are passed through high temperature and high pressure kettle first, then starts slow tensilometer and gives kettle internal safety valve spring imposed load, and preserve test data, the strength and stability of ultimate analysis safety valve spring.Advantages of the present invention：The device can be to safety valve spring in HTHP and corrosive environment performance detect, it is ensured that the normal of safety valve spring is used.
Description
Technical field
The present invention relates to a kind of safety valve spring performance testing device and method, belong to oil refining equipment safety technology neck
Domain.
Background technology
Spring loaded safety valve is widely used in oil, chemical industry and power domain, and it is mainly installed on containing high temperature, high pressure
And in the pressure piping and pressure vessel of Korrosionsmedium.Safety valve spring performance directly determines whether safety valve can normally open
Close, be to ensure that the key that pressure vessel and pressure pipeline are normally run.And the performance of safety valve spring and the close phase of Service Environment
Close, high-temperature steam can make safety valve spring produce high-temerature creep, H present in crude oil2The Korrosionsmediums such as S can make safety valve bullet
Corrosion etc. occurs for spring.
At present, the device of test spring tensile and compressive property is spring Tension-pressure tester, conventional spring tension and compression testing machine bag
Include Manual spring tester, mechanical type spring tensile and compression testing machine, electronic digital display spring tension and compression testing machine.But, Manual spring is drawn
Pressure tester and electronic digital display type spring tension and compression testing machine, which remain unchanged, has many problems.Manual spring tension and compression tester is applied to real
The measurement of room precision spring is tested, the spring batch being also suitable on production line is monitored, and is characterized in data and curve experiments process
Dynamic Announce, and curve can again be analyzed.However, Manual spring tension and compression tester be only applicable to it is miniature, small spring
Tensile compression test, it is impossible to which tension and compression detection is carried out to safety valve spring.Electronic digital display type spring Tension-pressure tester can only be in normal temperature
Under (10-35 DEG C) normal pressure, relative humidity is not more than the tensile and compressive property that spring is tested in 80%, and the non-corrosive environment of surrounding.
In high-temperature steam and corrosive atmosphere, Manual spring tension and compression tester and the experiment of electronic digital display type spring pressure
Machine can not effectively detect safety valve spring performance.Therefore, the present invention can be good at solving above-mentioned technical problem.
The content of the invention
In view of the above-mentioned problems, the purpose of the present invention is to be to provide a kind of safety valve spring performance testing device and method,
The invention measures the deformation of safety valve spring in HTHP and corrosive atmosphere, analysis safety valve spring rigidity, intensity and
Stability, and record testing result.
To achieve the above object, the present invention uses following technical scheme：
A kind of safety valve spring performance testing device, it is characterised in that including steam loading system (4), corrosive gas
Loading system (17), stress and corrosion coupling testing system (23)；Steam loading system (4) passes through 2# valves (9) and corrosivity
Gas loading system (17) is connected, and corrosive gas loading system (17) passes through 4# valves (18) and stress and corrosion coupling measurement
System (23) is connected；
Described steam loading system (4) is by steam generator (6), temperature controller (5), thermometer (7), steam pump
(8), water injection tank (1), water injecting pump (3), 1# valves (2) and 2# valves (9) are constituted；Water injection tank (1) is connected with 1# valves (2), 1#
The other end of valve (2) is connected with water injecting pump (3), and the other end of water injecting pump (3) is connected with steam generator (6), steam generation
The top of device (6) is connected with thermometer (7), and the other end of thermometer (7) is connected with steam pump (8), the other end of steam pump (8)
It is connected with 2# valves (9)；
Described corrosive gas loading system (17) by 1# choke valves (13), 2# choke valves (14), 1# gas bombs (15),
2# gas bombs (16), 1# pressure gauges (12), booster pump (11) and 3# valves (10) are constituted；1# gas bombs (15) connect 1# choke valves
(13), 2# gas bombs (16) connection 2# choke valves (14), 1# choke valves (13) and 2# choke valves (14) rear end are connected in parallel to same
In pipeline, pipeline is connected with 1# pressure gauges (12), and the other end of 1# pressure gauges (12) is connected with booster pump (11), booster pump (11)
The other end be connected with 3# valves (10)；
Described stress and corrosion coupling testing system (23) by 4# valves (18), 2# pressure gauges (19), 5# valves (20),
6# valves (21), exhaust tank (22), slow tester for elongation (43), high temperature and high pressure kettle (45) and data collection and analysis device (46) structure
Into；4# valves (18) are connected with 2# pressure gauges (19), and 2# pressure gauges (19) other end is connected with 5# valves (20), 5# valves (20)
The other end pipeline is divided into two by threeway：One is connected by 6# valves (21) with exhaust tank (22), one and high temperature
Autoclave (45) is connected；Loading crossbeam (25) in slow tester for elongation (43) is connected with sliding bar (31), sliding bar (31)
The other end is connected with the loading disc (33) in high temperature and high pressure kettle (45)；
Described slow tester for elongation (43) is driven by slide rail (24), micro-distance detector (26), loading crossbeam (25), lifting
Post (27) and sole plate (41) are constituted；Sole plate (41) is step-like, and the two ends of bottom stage set lifting driving column
(27), the two ends of loading crossbeam (25) are fixed on the top of lifting driving column (27), and loading crossbeam (25) top is examined provided with microspur
Instrument (26) is surveyed, the centre bore of slide rail (24) through loading crossbeam (25) is fixed on the upper strata step of sole plate (41)；
Described high temperature and high pressure kettle (45) is by heating mantle (32), kettle (36), kettle cover (29), sunk screw (28), slip
Bar (31), high temperature mechanical sealing (30), loading disc (33), spring fixed tray (35) and safety valve spring (34) are constituted；Heating mantle
(32) bottom sets spring fixed tray (35) in parcel kettle (36), kettle (36), and spring fixed tray installs safety valve on (35)
Spring (34), the top of safety valve spring (34) sets loading disc (33), and loading disc (33) top connection sliding bar (31) is slided
High temperature mechanical sealing (30) is installed, kettle cover (29) is connected by sunk screw (28) and kettle (36) between bar (31) and kettle cover (29)
Connect；
Described data collection and analysis device (46) is by computer (42), temperature sensor (38), pressure sensor (44), spring
Changing sensor (40), loading force snesor (39) and lifting displacement transducer (37) are constituted；Temperature sensor (38) connection is high
Warm autoclave kettle (36), temperature sensor (38) other end connection computer (42)；Pressure sensor (44) connects HTHP
Kettle kettle (36), pressure sensor (44) other end connection computer (42)；Spring deformation sensor (40) connection safety valve spring
(34), the other end connection computer (42) of spring deformation sensor (40), loading force snesor (39) connection loading disc (33), plus
Force snesor (39) other end is carried to be connected with computer (42)；Lifting displacement transducer (37) is connected with microspur instrument (26), lifts position
The other end of displacement sensor (37) is connected with computer (42).
The high temperature and high pressure kettle (45), loading disc (33), sliding bar (31) use corrosion resistant Hastelloy material system
Make, hermetic seal working pressure range is 0-70MPa, operating temperature range is 0-600 DEG C.
The present invention also provides a kind of application method of safety valve spring performance testing device, and its operating procedure is as follows：
(1) safety valve spring performance test methods in high temperature steam environments：
Step 1：1# valves (2) are opened, start water injecting pump (3), water injection tank (1) reclaimed water is injected into steam generator (6)；
Step 2：Start steam generator (6), heating-up temperature is controlled using temperature controller (5)；
Step 3：2# valves (9) are opened, 4# valves (18), 5# valves (20) start steam pump (8), by steam generator
(6) in the steam injection high temperature and high pressure kettle (45) produced in；
Step 4：Start high temperature and high pressure kettle (45), kettle (36) temperature is maintained into test temperature, pressure sensor (44)
The temperature and pressure in high temperature and high pressure kettle (45) is gathered with temperature sensor (38), and signal is synchronously passed into computer (42)；
Step 5：Start slow tester for elongation (43), test load is applied to kettle internal safety valve spring (34)；
Step 6：Lift the lifting displacement that displacement transducer (37) gathers spring, spring deformation sensor (40) collection spring
Deflection, loading force snesor (39) gathers the loaded load of loading disc, and signal synchronously passed into computer (42)；
Step 7：The data gathered using computer (42), analyze intensity, rigidity and the stability of spring.
(2) safety valve spring performance test methods in Korrosionsmedium environment：
Step 1：1# choke valves (13) or 2# choke valves (14) are opened, 3# valves (10), 4# valves (18), 5# valves is opened
(20), start booster pump (11), gas in Korrosionsmedium is injected in high temperature and high pressure kettle (45)；
Step 2：Tested media is added in high temperature and high pressure kettle (45)；
Step 3：Start high temperature and high pressure kettle (45), kettle (36) temperature is maintained into test temperature, pressure sensor (44)
The temperature and pressure in high temperature and high pressure kettle (45) is gathered with temperature sensor (38), and signal is synchronously passed into computer (42)；
Step 3：Start slow tester for elongation (43), test load is applied to kettle internal safety valve spring (34)；
Step 4：Lift the lifting displacement that displacement transducer (37) gathers spring, spring deformation sensor (40) collection spring
Deflection, loading force snesor (39) gathers the loaded load of loading disc, and signal synchronously passed into computer (42)；
Step 5：The data gathered using computer (42), analyze intensity, rigidity and the stability of spring.
The present invention is compared with conventional spring monitoring method, with advantages below：
There is provided the device that safety valve spring performance is have detected in high temperature and corrosive environment in the present invention, it can accurately examine
The performance of safety valve spring is surveyed, ensures that the normal of safety valve is used in HTHP and corrosive atmosphere, combines in simultaneously
Test, the analysis of safety valve spring are integrated.
Brief description of the drawings
Fig. 1 is a kind of structure flow chart of safety valve spring performance testing device.
Fig. 2 is slow tester for elongation structural representation.
Fig. 3 is high temperature and high pressure kettle schematic diagram.
Fig. 4 is data collection and analysis device schematic diagram.
In figure, 1- water injection tanks, 2-1# valves, 3- water injecting pumps, 4- steam loading systems, 5- temperature controllers, 6- steam hair
Raw device, 7- thermometers, 8- steam pumps, 9-2# valves, 10-3# valves, 11- booster pumps, 12-1# pressure gauges, 13-1# choke valves,
14-2# choke valves, 15-1# gas bombs, 16-2# gas bombs, 17- corrosive gas loading systems, 18-4# valves, 19-2# pressure
Table, 20-5# valves, 21-6# valves, 22- exhaust tanks, 23- stress and corrosion coupling testing system；24- slide rails, 25- loadings are horizontal
Beam, 26- micro-distance detectors, 27- liftings driving column, 28- sunk screws, 29- kettle covers, 30- high temperature mechanical sealings, 31- sliding bars,
32- heating mantles, 33- loading discs, 34- safety valve springs, 35- spring fixed trays, 36- kettlies, 37- lifting displacement transducers, 38-
Temperature sensor, 39- loading force snesors, 40- spring deformation sensors, 41- sole plates, 42- computers, 43- stretches survey slowly
Try instrument, 44- pressure sensors, 45- high temperature and high pressure kettles, 46- data collection and analysis devices.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
(a) installation of safety valve spring performance testing device
As shown in figure 1, the steam loading system (4) of the device, corrosive gas loading system (17), stress and corrosion coupling
Close test system (23)；Steam loading system (4) is connected by 2# valves (9) with corrosive gas loading system (17), corrosion
Property gas loading system (17) be connected by 4# valves (18) and stress with corrosion coupling testing system (23)；
Described steam loading system (4) is by steam generator (6), temperature controller (5), thermometer (7), steam pump
(8), water injection tank (1), water injecting pump (3), 1# valves (2) and 2# valves (9) are constituted；Water injection tank (1) is connected with 1# valves (2), 1#
The other end of valve (2) is connected with water injecting pump (3), and the other end of water injecting pump (3) is connected with steam generator (6), steam generation
The top of device (6) is connected with thermometer (7), and the other end of thermometer (7) is connected with steam pump (8), the other end of steam pump (8)
It is connected with 2# valves (9)；
Described corrosive gas loading system (17) by 1# choke valves (13), 2# choke valves (14), 1# gas bombs (15),
2# gas bombs (16), 1# pressure gauges (12), booster pump (11) and 3# valves (10) are constituted；1# gas bombs (15) connect 1# choke valves
(13), 2# gas bombs (16) connection 2# choke valves (14), 1# choke valves (13) and 2# choke valves (14) rear end are connected in parallel to same
In pipeline, pipeline is connected with 1# pressure gauges (12), and the other end of 1# pressure gauges (12) is connected with booster pump (11), booster pump (11)
The other end be connected with 3# valves (10)；
Described stress and corrosion coupling testing system (23) by 4# valves (18), 2# pressure gauges (19), 5# valves (20),
6# valves (21), exhaust tank (22), slow tester for elongation (43), high temperature and high pressure kettle (45) and data collection and analysis device (46) structure
Into；4# valves (18) are connected with 2# pressure gauges (19), and 2# pressure gauges (19) other end is connected with 5# valves (20), 5# valves (20)
The other end pipeline is divided into two by threeway：One is connected by 6# valves (21) with exhaust tank (22), one and high temperature
Autoclave (45) is connected；Loading crossbeam (25) in slow tester for elongation (43) is connected with sliding bar (31), sliding bar (31)
The other end is connected with the loading disc (33) in high temperature and high pressure kettle (45)；
As shown in Fig. 2 described slow tester for elongation (43) is by slide rail (24), micro-distance detector (26), loading crossbeam
(25), lifting driving column (27) and sole plate (41) are constituted；Sole plate (41) is step-like, and the two ends of bottom stage are set
Driving column (27) is lifted, the two ends of loading crossbeam (25) are fixed on the top of lifting driving column (27), load crossbeam (25) top
Provided with micro-distance detector (26), the centre bore of slide rail (24) through loading crossbeam (25) is fixed on the upper strata platform of sole plate (41)
Rank；
As shown in figure 3, described high temperature and high pressure kettle (45) is by heating mantle (32), kettle (36), kettle cover (29), sunk screw
(28), sliding bar (31), high temperature mechanical sealing (30), loading disc (33), spring fixed tray (35) and safety valve spring (34) structure
Into；Bottom sets and pacified on spring fixed tray (35), spring fixed tray (35) in heating mantle (32) parcel kettle (36), kettle (36)
Safety valve spring (34) is filled, the top of safety valve spring (34) sets loading disc (33), loading disc (33) top connection sliding bar
(31) high temperature mechanical sealing (30), is installed, kettle cover (29) passes through sunk screw (28) and kettle between sliding bar (31) and kettle cover (29)
Body (36) is connected；
As shown in figure 4, described data collection and analysis device (46) is by computer (42), temperature sensor (38), pressure sensing
Device (44), spring deformation sensor (40), loading force snesor (39) and lifting displacement transducer (37) are constituted；Temperature sensor
(38) connection high temperature and high pressure kettle kettle (36), temperature sensor (38) other end connection computer (42)；Pressure sensor (44) is even
Connect high temperature and high pressure kettle kettle (36), pressure sensor (44) other end connection computer (42)；Spring deformation sensor (40) is connected
Safety valve spring (34), the other end connection computer (42) of spring deformation sensor (40), loading force snesor (39) connection adds
Load plate (33), loading force snesor (39) other end is connected with computer (42)；Lift displacement transducer (37) and microspur instrument (26)
Connection, the other end of lifting displacement transducer (37) is connected with computer (42).(b) spring performance detection method
The device can detect the performance of safety valve spring in high temperature steam environments and corrosive atmosphere respectively；
1) safety valve spring performance test methods in high temperature steam environments：
Step 1：1# valves (2) are opened, start water injecting pump (3), water injection tank (1) reclaimed water is injected into steam generator (6)；
Step 2：Start steam generator (6), heating-up temperature is controlled using temperature controller (5)；
Step 3：2# valves (9) are opened, 4# valves (18), 5# valves (20) start steam pump (8), by steam generator
(6) in the steam injection high temperature and high pressure kettle (45) produced in；
Step 4：Start high temperature and high pressure kettle (45), kettle (36) temperature is maintained into test temperature, pressure sensor (44)
The temperature and pressure in high temperature and high pressure kettle (45) is gathered with temperature sensor (38), and signal is synchronously passed into computer (42)；
Step 5：Start slow tester for elongation (43), test load is applied to kettle internal safety valve spring (34)；
Step 6：Lift the lifting displacement that displacement transducer (37) gathers spring, spring deformation sensor (40) collection spring
Deflection, loading force snesor (39) gathers the loaded load of loading disc, and signal synchronously passed into computer (42)；
Step 7：The data gathered using computer (42), analyze intensity, rigidity and the stability of spring.
(2) safety valve spring performance test methods in Korrosionsmedium environment：
Step 1：1# choke valves (13) or 2# choke valves (14) are opened, 3# valves (10), 4# valves (18), 5# valves is opened
(20), start booster pump (11), gas in Korrosionsmedium is injected in high temperature and high pressure kettle (45)；
Step 2：Tested media is added in high temperature and high pressure kettle (45)；
Step 3：Start high temperature and high pressure kettle (45), kettle (36) temperature is maintained into test temperature, pressure sensor (44)
The temperature and pressure in high temperature and high pressure kettle (45) is gathered with temperature sensor (38), and signal is synchronously passed into computer (42)；
Step 3：Start slow tester for elongation (43), test load is applied to kettle internal safety valve spring (34)；
Step 4：Lift the lifting displacement that displacement transducer (37) gathers spring, spring deformation sensor (40) collection spring
Deflection, loading force snesor (39) gathers the loaded load of loading disc, and signal synchronously passed into computer (42)；
Step 5：The data gathered using computer (42), analyze intensity, rigidity and the stability of spring.
Claims (3)
1. a kind of safety valve spring performance testing device, it is characterised in that add including steam loading system (4), corrosive gas
Injection system (17), stress and corrosion coupling testing system (23)；Steam loading system (4) passes through 2# valves (9) and corrosivity gas
Body loading system (17) is connected, and corrosive gas loading system (17) passes through 4# valves (18) and stress and corrosion coupling measurement system
System (23) connection；
Described steam loading system (4) is by steam generator (6), temperature controller (5), thermometer (7), steam pump (8), note
Water pot (1), water injecting pump (3), 1# valves (2) and 2# valves (9) are constituted；Water injection tank (1) is connected with 1# valves (2), 1# valves (2)
The other end be connected with water injecting pump (3), the other end of water injecting pump (3) is connected with steam generator (6), steam generator (6)
Top is connected with thermometer (7), and the other end of thermometer (7) is connected with steam pump (8), the other end and the 2# valves of steam pump (8)
Door (9) connection；
Described corrosive gas loading system (17) is stored up by 1# choke valves (13), 2# choke valves (14), 1# gas bombs (15), 2#
Gas cylinder (16), 1# pressure gauges (12), booster pump (11) and 3# valves (10) are constituted；1# gas bombs (15) connect 1# choke valves
(13), 2# gas bombs (16) connection 2# choke valves (14), 1# choke valves (13) and 2# choke valves (14) rear end are connected in parallel to same
In pipeline, pipeline is connected with 1# pressure gauges (12), and the other end of 1# pressure gauges (12) is connected with booster pump (11), booster pump (11)
The other end be connected with 3# valves (10)；
Described stress is with corrosion coupling testing system (23) by 4# valves (18), 2# pressure gauges (19), 5# valves (20), 6# valves
Door (21), exhaust tank (22), slow tester for elongation (43), high temperature and high pressure kettle (45) and data collection and analysis device (46) are constituted；4#
Valve (18) is connected with 2# pressure gauges (19), and 2# pressure gauges (19) other end is connected with 5# valves (20), 5# valves (20) it is another
Pipeline is divided into two by one end by threeway：One is connected by 6# valves (21) with exhaust tank (22), one and HTHP
Kettle (45) is connected；Loading crossbeam (25) in slow tester for elongation (43) is connected with sliding bar (31), sliding bar (31) it is another
End is connected with the loading disc (33) in high temperature and high pressure kettle (45)；
Described slow tester for elongation (43) is by slide rail (24), micro-distance detector (26), loading crossbeam (25), lifting driving column
(27) constituted with sole plate (41)；Sole plate (41) is step-like, and the two ends of bottom stage set lifting driving column (27),
The two ends of loading crossbeam (25) are fixed on the top of lifting driving column (27), and loading crossbeam (25) top is provided with micro-distance detector
(26), the centre bore of slide rail (24) through loading crossbeam (25) is fixed on the upper strata step of sole plate (41)；
Described high temperature and high pressure kettle (45) is by heating mantle (32), kettle (36), kettle cover (29), sunk screw (28), sliding bar
(31), high temperature mechanical sealing (30), loading disc (33), spring fixed tray (35) and safety valve spring (34) are constituted；Heating mantle
(32) bottom sets spring fixed tray (35) in parcel kettle (36), kettle (36), and spring fixed tray installs safety valve on (35)
Spring (34), the top of safety valve spring (34) sets loading disc (33), and loading disc (33) top connection sliding bar (31) is slided
High temperature mechanical sealing (30) is installed, kettle cover (29) is connected by sunk screw (28) and kettle (36) between bar (31) and kettle cover (29)
Connect；
Described data collection and analysis device (46) is by computer (42), temperature sensor (38), pressure sensor (44), spring deformation
Sensor (40), loading force snesor (39) and lifting displacement transducer (37) are constituted；Temperature sensor (38) connection high temperature is high
Press kettle kettle (36), temperature sensor (38) other end connection computer (42)；Pressure sensor (44) connects high temperature and high pressure kettle kettle
Body (36), pressure sensor (44) other end connection computer (42)；Spring deformation sensor (40) connection safety valve spring (34),
The other end connection computer (42) of spring deformation sensor (40), loading force snesor (39) connection loading disc (33), loading force
Sensor (39) other end is connected with computer (42)；Lifting displacement transducer (37) is connected with microspur instrument (26), and lifting displacement is passed
The other end of sensor (37) is connected with computer (42).
2. a kind of safety valve spring performance testing device according to claim 1, it is characterised in that the high temperature and high pressure kettle
(45), loading disc (33), sliding bar (31) use corrosion resistant Hastelloy material manufacture, and hermetic seal working pressure range is
0-70MPa, operating temperature range is 0-600 DEG C.
3. a kind of safety valve spring performance testing device according to any one in claim 1-2, it is characterised in that this
Invention also provides a kind of application method of safety valve spring performance testing device, and its operating procedure is as follows：
Step 1：1# valves (2) are opened, start water injecting pump (3), water injection tank (1) reclaimed water is injected into steam generator (6)；
Step 2：Start steam generator (6), heating-up temperature is controlled using temperature controller (5)；
Step 3：2# valves (9) are opened, 4# valves (18), 5# valves (20) start steam pump (8), by steam generator (6)
In the steam injection high temperature and high pressure kettle (45) of generation；
Step 4：Start high temperature and high pressure kettle (45), kettle (36) temperature is maintained into test temperature, pressure sensor (44) and temperature
The temperature and pressure spent in sensor (38) collection high temperature and high pressure kettle (45), and signal is synchronously passed into computer (42)；
Step 5：Start slow tester for elongation (43), test load is applied to kettle internal safety valve spring (34)；
Step 6：The lifting displacement that displacement transducer (37) gathers spring is lifted, spring deformation sensor (40) gathers the change of spring
Shape amount, loading force snesor (39) gathers the loaded load of loading disc, and signal synchronously is passed into computer (42)；
Step 7：The data gathered using computer (42), analyze intensity, rigidity and the stability of spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528723.2A CN107091779A (en) | 2017-07-01 | 2017-07-01 | A kind of safety valve spring performance testing device and operating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528723.2A CN107091779A (en) | 2017-07-01 | 2017-07-01 | A kind of safety valve spring performance testing device and operating method |
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| CN107091779A true CN107091779A (en) | 2017-08-25 |
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| CN201710528723.2A Pending CN107091779A (en) | 2017-07-01 | 2017-07-01 | A kind of safety valve spring performance testing device and operating method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195688A (en) * | 2018-02-26 | 2018-06-22 | 华能国际电力股份有限公司 | Internal pressure creep test device and method for simulating service environment of boiler pipe of coal-fired power plant |
| CN110672311A (en) * | 2019-09-29 | 2020-01-10 | 盐城家安乐自动化科技有限公司 | Spring pack endurance testing machine |
| CN111595539A (en) * | 2020-04-26 | 2020-08-28 | 深圳市特种设备安全检验研究院 | Safety valve spring stiffness determination method and terminal |
| CN115962903A (en) * | 2023-03-16 | 2023-04-14 | 廊坊双飞碟簧有限公司 | Disc spring elastic coefficient detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108195688A (en) * | 2018-02-26 | 2018-06-22 | 华能国际电力股份有限公司 | Internal pressure creep test device and method for simulating service environment of boiler pipe of coal-fired power plant |
| CN110672311A (en) * | 2019-09-29 | 2020-01-10 | 盐城家安乐自动化科技有限公司 | Spring pack endurance testing machine |
| CN110672311B (en) * | 2019-09-29 | 2021-08-20 | 盐城家安乐自动化科技有限公司 | Spring pack endurance testing machine |
| CN111595539A (en) * | 2020-04-26 | 2020-08-28 | 深圳市特种设备安全检验研究院 | Safety valve spring stiffness determination method and terminal |
| CN115962903A (en) * | 2023-03-16 | 2023-04-14 | 廊坊双飞碟簧有限公司 | Disc spring elastic coefficient detection device |
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