CN203231943U - Experimental apparatus for high-temperature and high-pressure component damage and failure process - Google Patents
Experimental apparatus for high-temperature and high-pressure component damage and failure process Download PDFInfo
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- CN203231943U CN203231943U CN 201320084149 CN201320084149U CN203231943U CN 203231943 U CN203231943 U CN 203231943U CN 201320084149 CN201320084149 CN 201320084149 CN 201320084149 U CN201320084149 U CN 201320084149U CN 203231943 U CN203231943 U CN 203231943U
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Abstract
The utility model discloses an experimental apparatus for a high-temperature and high-pressure component damage and failure process, which comprises a water injection device (3), a steam generator (1), a test-piece heating and testing device (2) and a pressure and temperature regulator (4), wherein the water injection device (3), the steam generator (1) and the test-piece heating and testing device (2) are sequentially connected by using a pipeline, and the pressure and temperature regulator (4) is used for controlling the pressure and temperature of each device; the test-piece heating and testing device (2) comprises a lidded closed box composed of a heat-preserving material layer (202), a steel plate material layer (203) and a refractory material layer (204) which are sequentially arranged from outside to inside, a loading device (209) is arranged above the box, the loading device (209) is connected with a test-piece (210) through a spring (208) passing through an open hole at the top of the box and extending in the box, a resistance heating wire (206) is arranged in the box, the bottom of the box is provided with a hole, a weight hook (213) penetrates through the hole, and a weight (214) is hung on the underside of the weight hook and located below the box. The experimental apparatus disclosed by the utility model can really simulate various working conditions of high-temperature and high-pressure components in actual boiler operations, and can carry out whole-process of monitoring on the test-piece.
Description
Technical field
The utility model relates to a kind of High Temperature High Pressure components damage and failure procedure experimental provision, especially relates to thermal power plant boiler, nuclear power plant's pressure-bearing be heated high temperature high voltage component and the experimental provisions in welding joint life-span such as pipeline, chemical reactor.
Background technology
In the design of big Capacity Power Plant Boilers high temperature superheater of modern times and reheater, improve cycle efficieny in order to take full advantage of metal material, the design wall temperature that has made the stove internal heating surface is very near the allowable temperature limit value of its metal, heating surface is in very high cigarette warm area again, so carbide spheroidization, and the inner wall oxide skin peels off attenuate, creep rupture strength descends, creep speed is accelerated, and speed is a lot of soon under the defective expansion calibration reason condition, often causes the booster that lost efficacy in advance.Therefore study the life-span of high-temperature bearing equipment under the various service conditions for the important meaning of life-span management and repair based on condition of component tool.
The chip shape of various standards made test specimen by existing High Temperature High Pressure components damage and failure procedure experimental provision, be placed on fatigue, the creep testing machine, keep certain temperature by heating arrangement, apply certain tension and compression stress through machinery loading device, the destruction situation of test test specimen is extrapolated the relevant intensive parameter of some materials etc.Though this experimental provision is fairly simple, because the form of test specimen shape and environmental baseline of living in, defective all with in the actual motion differs very big, so can't directly study the expansion process of defective under the various actual motion conditions.Site test research then is subjected to very big restriction, and the time is very long, and the most dangerous heating surface depths in stove, is difficult to direct test.
The utility model content
Technical problem to be solved in the utility model just provides a kind of High Temperature High Pressure components damage and failure procedure experimental provision, and it can really be simulated the various operating modes of High Temperature High Pressure parts in boiler operatiopn reality, and can carry out the overall process monitoring to test specimen.
Solve the problems of the technologies described above, the utility model by the following technical solutions:
A kind of High Temperature High Pressure components damage and failure procedure experimental provision, it is characterized in that: comprise the water filling device 3, steam raising plant 1 and the test specimen heating and proving installation 2 that connect successively with pipeline, and pressure and the temperature regulator 4 of pressure and temperature are respectively installed in control;
Described test specimen heating comprises with proving installation 2: the airtight casing of lid that has that outside in is adiabator layer 202, the steel board bed of material 203 and refractory masses 204 successively, the casing top is provided with charger 209, its spring 208 through passing the casing top drilling and putting in the casing connects test specimens 210, be provided with resistance heating wire 206 in the casing in order to from the external heating test specimen, bottom half has the hole and is installed with counterweight hook 213, has hung counterweight 214 under the counterweight hook and has been positioned at the casing below.
Described steam raising plant 1 carries high pressure steam to the port of the pipeline of heating and proving installation 2 to be provided with flange 205, connects tubular test coupon, also is provided with column armouring electric heater unit 211 in the described casing in order to heat tubular test coupon inside.
Described case supports is on angle bar frame 201.
Described pressure comprises with temperature regulator 4: central controller reaches with it has control line to be connected, to be located at temperature sensor, pressure transducer, level sensor, powered actuation mechanism, leak sensor, controller, warning device, electrically-controlled valve, resistance heating wire and armouring electric heater unit that each installs.
As further improvement of the utility model:
Described steam raising plant 1 comprises: the bottom is provided with the closed container that water inlet pipe 101, top are provided with escape pipe 107, container outwards is 106 layers of pressure-bearing metal housings and insulation and protective seam 105 from the lining, bottom in the container is equipped with knapsack 121, the top is provided with manger board 115, also be provided with electric contact point fluviograph 104 and armouring electric heater unit 116 in the container, be provided with down manger board 119 in the knapsack 121, all have air passing hole on the upper and lower manger board;
Described steam raising plant water inlet pipe 101 is with sleeve pipe 102 outward, escape pipe 107 is provided with electronic bleed valve 108, safety valve 110, first variable valve 112 and second variable valve 113, (second variable valve 113 is given test specimen admission pressurising, first variable valve 112 is given the decompression of test specimen steam bleeding, the pressure in both fit adjustment test specimens) each valve and armouring electric heater unit all have control line to be connected with pressure and temperature regulator;
When piercing into closed container, described armouring electric heater unit 116 connects by flange 122;
Described steam raising plant is dissection type closed container up and down, connects with ring flange 120 web members 117,118, and split surface is provided with high temperature high voltage resistant metallic gasket 103; Closed container is bearing on the pan straddle 124.
Described water filling device 3 comprises: a top has covers the water tank 305 that water level meter 306 is arranged in 307 casees, water tank 305 is provided with drainpipe 302 and rising pipe 308, drainpipe is provided with water drain valve 303, rising pipe is provided with the reciprocating piston waterflood pump 309 that is driven by motor 312, and reciprocating piston waterflood pump efferent duct also is that the steam raising plant water inlet pipe is provided with reverse checkvalve 311.
This experimental provision can be controlled evaporation capacity and steam discharge variable valve by evaporator and open and close and carry out the test specimen internal pressure jointly and regulate, and displacement can be very little or have steam discharge, and the rate of water make-up that needs is few, reduces to test energy consumption and working medium consumption; Can also keep certain temperature jointly by external heating device and internal heat, regulating measure is many, can simulate as far as possible the actual temperature condition and inside and outside situation such as the temperature difference is arranged; Can also when loading, internal pressure carry out mechanical load, simulated defect position actual stress state etc.
Compared with prior art, advantage of the present utility model is:
1. simple in structure, safe and reliable, automaticity is high, the discharge of steam amount is little when lower cost, test, rate of water make-up is few, the test energy consumption is low;
2. can really simulate the various operating modes (combinations of conditions such as temperature variation, pressure variation, all gases composition and lime-ash) of High Temperature High Pressure parts in boiler operatiopn reality; Can when loading, internal pressure carry out mechanical load, simulated defect position actual stress state etc.; Can keep certain temperature jointly by external heating device and internal heat, can simulate as far as possible the actual temperature condition and inside and outside situation such as the temperature difference is arranged;
3. can carry out the overall process monitoring to test specimen.Can carry out detailed comprehensively research to the process of boiler high-temperature component, welding joint creep, fatigue, burn into defective and crackle expansion under the various actual motion conditions.
The utility model can be used for the process of (combinations of conditions such as temperature variation, pressure variation, all gases composition and lime-ash) boiler high temperature parts, welding joint creep, fatigue, burn into defective and crackle expansion under the various actual motion conditions and carry out detailed comprehensively research.
Description of drawings
Fig. 1 is composition and the annexation synoptic diagram of the utility model embodiment.
Among the figure: 1-steam raising plant, the heating of 2-test specimen and proving installation 2,3-water filling device 3,4-pressure and temperature regulator;
The 101-water inlet pipe, 102-sleeve pipe, 103-high temperature high voltage resistant metallic gasket, the 104-electric contact point fluviograph, 105-insulation and protective seam, 106-pressure-bearing metal shell layer, the 107-steam outleting pipe, the electronic bleed valve of 108-, 109-bleed valve flange, the 110-safety valve, 111-safety valve flange, 112-first variable valve, 113-second variable valve, the 114-second variable valve flange, the last manger board of 115-, 116-armouring electric heater unit, 117, the 118-web member, manger board under the 119-, the 120-ring flange, 121-knapsack, 122-flange, the 123-bolt, the 124-pan straddle;
The 201-angle bar frame, 202-insulation material, the 203-steel board bed of material, 204-refractory masses, 205-flange, 206-resistance heating wire, 208-spring, 209-charger, 210-test specimen, 211-armouring electric heater unit, 213-counterweight hook, 214-counterweight;
The 301-trench drain, 302-drainpipe, 303-water drain valve, 304-flange, 305-water tank, 306-cistern water level meter, 307-tank lid, 308-rising pipe, 309-reciprocating piston waterflood pump, 310-flange, 311-reverse checkvalve, 312-motor.
Embodiment
Below with reference to specific embodiment and Figure of description the utility model is described in further details.
Embodiment: shown in Fig. 1 and Fig. 2,3,4; High Temperature High Pressure components damage of the present utility model and failure procedure experimental provision comprise four major parts: steam generating system 1, test specimen heating and test macro 2, waterflood system 3, control monitoring and protection system 4.
The test specimen heating that is supported on the angle bar frame 201 comprises with proving installation 2: the airtight casing of lid that has that outside in is adiabator layer 202, the steel board bed of material 203 and refractory masses 204 successively, the casing top is provided with charger 209, its spring 208 through passing the casing top drilling and putting in the casing connects test specimens 210, be provided with resistance heating wire 206 in the casing in order to heat the test specimen outside, bottom half has the hole and is installed with counterweight hook 213, has hung counterweight 214 under the counterweight hook and has been positioned at the casing below.
The test specimen heating is connected on the steam raising plant by pipeline 107 and variable valve 113 with proving installation, electric control valve 113 is that the admission of test specimen is regulated and the judgement valve, electric control valve 112 is steam discharge and reduction valve of test specimen, by being connected electric control valve 112 on pipeline and the test specimen, the open and close control test specimen internal pressure of electric control valve 113; Test specimen 210 outsides are by casing resistance heating wire 206 heating, and are inner by 211 heating of armouring electric heater unit, to control tube wall temperature inside and outside it.
Steam raising plant 1 carries high pressure steam to the port of the pipeline of heating and proving installation 2 to be provided with flange 205, connects tubular test coupon, also is provided with column armouring electric heater unit 211 in the casing in order to heat tubular test coupon inside.
Pressure comprises with temperature regulator 4: central controller reaches with it has control line to be connected, to be located at temperature sensor, pressure transducer, level sensor, powered actuation mechanism, leak sensor, controller, warning device, electrically-controlled valve, resistance heating wire and armouring electric heater unit that each installs; Be used for controlling by the rule of setting automatically test pressure and the temperature of test specimen, and when leaking, discharge step-down rapidly and lower the temperature, guarantee safety.
The inside and outside wall of pressure vessel is equipped with the temperature monitoring sensor probe, top is equipped with the pressure monitoring sensor probe; Test specimen inside is high pressure steam, and the pressure and temperature sensor probe is installed.
Steam raising plant 1 comprises: the bottom is provided with the closed container that water inlet pipe 101, top are provided with escape pipe 107, container outwards is 106 layers of pressure-bearing metal housings and adiabator layer 105 from the lining, bottom in the container is equipped with knapsack 121, the top is provided with manger board 115, also be provided with electric contact point fluviograph 104 and armouring electric heater unit 116 in the container, be provided with down manger board 119 in the knapsack 121, all have air passing hole on the upper and lower manger board.
At the test specimen of tubulose, steam outleting pipe output steam is connected to the tubular test coupon that is placed in test specimen heating and the proving installation by flange, and steam outleting pipe is provided with second variable valve 113; Steam raising plant water inlet pipe 101 is with sleeve pipe 102 outward, escape pipe 107 is provided with electronic bleed valve 108, safety valve 110, first variable valve 112 and second variable valve 113, and each valve and armouring electric heater unit all have control line to be connected with pressure and temperature regulator; When piercing into closed container, armouring electric heater unit 116 is connected with web member 123 by flange 122.
The steam raising plant of present embodiment is dissection type closed container up and down, connects with ring flange 120 web members 117,118, and split surface is provided with high temperature high voltage resistant metallic gasket 103; Closed container is bearing on the pan straddle 124.
Steam raising plant is a high pressure vessel, and the bottom is water, and top is vapour.High pressure water injection enters down the below of manger board 119, enters knapsack 121.Regulate armouring electric heater unit 116 and can regulate evaporation capacity regulating pressure, and as the gas tank of high pressure steam.The steam that produces can discharge automatically by safety valve 110 when hypertonia, or when operate as normal by on flow to test specimen 210 after 106 current-sharings of dash plate hole.
Water filling device 3 comprises: a top has covers the water tank 305 that water level meter 306 is arranged in 307 casees, water tank 305 is provided with drainpipe 302 and rising pipe 308, drainpipe is provided with water drain valve 303, rising pipe is provided with the reciprocating piston waterflood pump 309 that is driven by motor 312, and reciprocating piston waterflood pump efferent duct also is that the steam raising plant water inlet pipe is provided with reverse checkvalve 311.
Water filling device connects steam generating system, water is injected into down the below of manger board 119, for supplying water to evaporator.Sleeve structure prevents that for reducing the evaporator temperature difference it from crackle and distortion occurring because of thermal stress.
Claims (8)
1. a High Temperature High Pressure components damage and failure procedure experimental provision, it is characterized in that: comprise the water filling device (3), steam raising plant (1) and the test specimen heating and proving installation (2) that connect successively with pipeline, and pressure and the temperature regulator (4) of pressure and temperature are respectively installed in control;
Described test specimen heating comprising with proving installation (2): the airtight casing of lid that has that outside in is adiabator layer (202), the steel board bed of material (203) and refractory masses (204) successively, the casing top is provided with charger (209), its spring (208) through passing the casing top drilling and putting in the casing connects test specimen (210), be provided with resistance heating wire (206) in the casing, bottom half has the hole and is installed with counterweight hook (213), has hung counterweight (214) under the counterweight hook and has been positioned at the casing below.
2. High Temperature High Pressure components damage according to claim 1 and failure procedure experimental provision, it is characterized in that: described steam raising plant (1) carries high pressure steam to the port of the pipeline of heating and proving installation (2) to be provided with flange (205), connect tubular test coupon, also be provided with column armouring electric heater unit (211) in the described casing.
3. High Temperature High Pressure components damage according to claim 1 and 2 and failure procedure experimental provision; it is characterized in that: described steam raising plant (1) comprising: the bottom is provided with water inlet pipe (101); the top is provided with the closed container of escape pipe (107); container outwards is pressure-bearing metal shell layer (106) and insulation and protective seam (105) from the lining; bottom in the container is equipped with knapsack (121); the top is provided with manger board (115); also be provided with electric contact point fluviograph (104) and armouring electric heater unit (116) in the container; be provided with down manger board (119) in the knapsack (121), on; all have air passing hole on the following manger board.
4. High Temperature High Pressure components damage according to claim 3 and failure procedure experimental provision, it is characterized in that: outer being with of described steam raising plant (1) water inlet pipe (101) also is provided with electronic bleed valve (108), safety valve (110), first variable valve (112) and second variable valve (113) on sleeve pipe (102), the escape pipe (107), each valve and armouring electric heater unit all have control line to be connected with pressure with temperature regulator (4); Described armouring electric heater unit (116) connects by flange (122) when piercing into closed container.
5. High Temperature High Pressure components damage according to claim 4 and failure procedure experimental provision, it is characterized in that: described steam raising plant (1) is dissection type closed container up and down, connect with ring flange (120) web member (117,118), split surface is provided with high temperature high voltage resistant metallic gasket (103).
6. High Temperature High Pressure components damage according to claim 5 and failure procedure experimental provision, it is characterized in that: described water filling device (3) comprising: a top has the water tank of water level meter (306) (305) is arranged in lid (307), the case, water tank (305) is provided with drainpipe (302) and rising pipe (308), drainpipe is provided with water drain valve (303), rising pipe is provided with the water pump (309) that is driven by motor (312), and the water pump efferent duct also is that the steam raising plant water inlet pipe is provided with reverse checkvalve (311).
7. High Temperature High Pressure components damage according to claim 6 and failure procedure experimental provision, it is characterized in that: described water pump (309) is the reciprocating piston waterflood pump.
8. High Temperature High Pressure components damage according to claim 7 and failure procedure experimental provision, it is characterized in that: described pressure comprising with temperature regulator (4): central controller and have control line to be connected, to be located at temperature sensor, pressure transducer, level sensor, powered actuation mechanism, leak sensor, controller, warning device, electrically-controlled valve, resistance heating wire and armouring electric heater unit on respectively installing with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084149 CN203231943U (en) | 2013-02-22 | 2013-02-22 | Experimental apparatus for high-temperature and high-pressure component damage and failure process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084149 CN203231943U (en) | 2013-02-22 | 2013-02-22 | Experimental apparatus for high-temperature and high-pressure component damage and failure process |
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| Publication Number | Publication Date |
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| CN203231943U true CN203231943U (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320084149 Withdrawn - After Issue CN203231943U (en) | 2013-02-22 | 2013-02-22 | Experimental apparatus for high-temperature and high-pressure component damage and failure process |
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| CN (1) | CN203231943U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217340A (en) * | 2013-02-22 | 2013-07-24 | 广东电网公司电力科学研究院 | High-temperature high-pressure part damage and failure process experimental device |
| CN115381277A (en) * | 2022-09-14 | 2022-11-25 | 珠海格力电器股份有限公司 | Pressure cooker control method and device and pressure cooker |
-
2013
- 2013-02-22 CN CN 201320084149 patent/CN203231943U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217340A (en) * | 2013-02-22 | 2013-07-24 | 广东电网公司电力科学研究院 | High-temperature high-pressure part damage and failure process experimental device |
| CN103217340B (en) * | 2013-02-22 | 2015-11-18 | 广东电网公司电力科学研究院 | High-temperature high-pressure part damage and failure procedure experimental provision |
| CN115381277A (en) * | 2022-09-14 | 2022-11-25 | 珠海格力电器股份有限公司 | Pressure cooker control method and device and pressure cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131009 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |