CN101982756B - Cold and hot alternation impact test device - Google Patents

Cold and hot alternation impact test device Download PDF

Info

Publication number
CN101982756B
CN101982756B CN2010105176149A CN201010517614A CN101982756B CN 101982756 B CN101982756 B CN 101982756B CN 2010105176149 A CN2010105176149 A CN 2010105176149A CN 201010517614 A CN201010517614 A CN 201010517614A CN 101982756 B CN101982756 B CN 101982756B
Authority
CN
China
Prior art keywords
combination valve
pressure
temperature
water pump
low temperature
Prior art date
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.)
Expired - Fee Related
Application number
CN2010105176149A
Other languages
Chinese (zh)
Other versions
CN101982756A (en
Inventor
童正明
周文铸
李楠
陈华
张鸿睿
闵华
朱凯
梁淑君
王文文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN2010105176149A priority Critical patent/CN101982756B/en
Publication of CN101982756A publication Critical patent/CN101982756A/en
Application granted granted Critical
Publication of CN101982756B publication Critical patent/CN101982756B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to a cold and hot alternation impact test device which is composed of a preheating device, a precooling device, a tester and a control device, wherein one end of the high-temperature voltage stabilization device of the preheating device is connected with a combination valve inlet I on a combination valve body I by a high-temperature water pump and an electric heating device, and the other end is connected with a combination valve outlet V on a combination valve body II; the combination valve inlet I and the combination valve outlet V are connected by a high-temperature liquid by pass pipe to form a preheating loop; the low-temperature water pump of the precooling device is characterized in that one end of a low-temperature voltage stabilization device is connected with a combination valve inlet II on the combination valve body I by a low-temperature water pump, and the other end of a low-temperature voltage stabilization device is connected with a combination valve outlet IV on the combination valve body II by an evaporative cooling device; and a combination valve inlet III and a combination valve inlet II are connected by a low-temperature by pass pipe to form a precooling loop. The invention can accurately analyze whether a heat exchange device satisfies standard design requirements and material damage degrees, finds defects on the manufacturing process, predicts the service life of the product and provides a reliable basis for designing and manufacturing a qualified product.

Description

The alternating hot and cold impact test apparatus
Technical field
The present invention relates to a kind of impact test apparatus, especially a kind of to the made heat-exchanger rig that causes of various unlike materials, carry out the alternating hot and cold impulse test after, analyze the pick-up unit in the serviceable life that whether meets product design standard and prediction product.
Background technology
Continuous development along with science and technology; Efficiently utilize the energy more and more to cause human attention; Special in the utilization of chemical industry to used heat; Carrying out the energy that exchange heat obtains used heat and provide through heat-exchanger rig is modal a kind of phenomenon in industry and the daily life, different heat exchange process need different heat exchange device.The the manufacturing and designing of various heat-exchanger rigs is to accomplish through the designing and calculating of associated hot exchange theory and verification experimental verification, but the serviceable life of unpredictable heat-exchanger rig and the quality that guarantees heat-exchanger rig.Therefore manufacturer can only increase input on manufacturing process and product and material, and the factor of assurance that improves heat-exchanger rig causes manufacturing cost to increase to promote product quality.Through the detection of alternating hot and cold impact test apparatus, heat-exchanger rig be can analyze and the requirement of design standards and the degree of material damage whether satisfied, find out the defective on the manufacturing process, the serviceable life of prediction product.
Summary of the invention
The technical matters that the present invention will solve is to detect heat-exchanger rig material damage degree and predict serviceable life, and a kind of alternating hot and cold impact test apparatus that provides.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of alternating hot and cold impact test apparatus, by preheating, pre-cooler; Proving installation; Control device is formed, and preheating, pre-cooler link together through combination valve body I and combination valve body II, are characterized in:
Preheating device comprises the high temperature stable-pressure device; The high temperature water pump; Electric heater unit, high temperature stable-pressure device one end be through the high temperature water pump, and electric heater unit is connected with combination valve import I on the combination valve body I; Combination valve outlet V on the other end and the combination valve body II is connected, and the combination valve of combination valve body I exports between the combination valve import V of I and combination valve body II and is connected to form preheating circuit through high temperature liquid by-pass pipe;
Pre-cooler comprises the low temperature stable-pressure device; Evaporation-cooled device; Low temperature water pump; Low temperature stable-pressure device one end is connected with combination valve import II on the combination valve body I through low temperature water pump, and the other end is connected with combination valve outlet IV on the combination valve body II through evaporation-cooled device, is connected to form the precooling loop through the low temperature by-pass pipe between the combination valve outlet III of combination valve body I and the combination valve import III of combination valve body II;
Proving installation comprises the testing tube I; The testing tube II; Testing tube II, testing tube I one end respectively with combination valve body I on combination valve outlet II be connected with combination valve import IV on the combination valve body II, the testing tube I is connected with tested heat-exchanger rig two ends respectively with the testing tube II other end;
The temperature sensor I is equipped with at high temperature stable-pressure device and low temperature stable-pressure device two ends respectively, temperature sensor II and temperature sensor III, temperature sensor IV.
High temperature stable-pressure device and low temperature stable-pressure device are cylindrical, in the upper end of high temperature stable-pressure device and low temperature stable-pressure device tensimeter I and tensimeter IV are housed respectively.
Power regulating eqiupment is housed on the electric heater unit.
Flowmeter I and tensimeter II are housed on the pipeline between high temperature stable-pressure device and the high temperature water pump, flowmeter II and tensimeter III are housed between said low temperature stable-pressure device and the low temperature water pump.
The temperature sensor V is housed on the testing tube II, be equipped with on the testing tube I temperature sensor VI (, insulation material is equipped with in the outer end of heat-exchanger rig.
Evaporation-cooled device is connected with refrigeration unit through refrigerant tubing.
Control device connects all water pumps, combination valve, flowmeter, temperature sensor, tensimeter, electric heater respectively.
The invention has the beneficial effects as follows:
1. change full-automatic detection into by manual detection, reduced labour intensity, practiced thrift the detection cost;
2. adopt the full-automatic control that detects, improved accuracy of detection and efficient;
3. adopt totally enclosed detection system, do not have any leakage, reach requirement on environmental protection;
4. the actual conditions of thermal shock are guaranteed with insulation material in heat-exchanger rig outer end to be detected;
5. move easyly, flexible, do not need the people at the scene during detection;
6. can accurately analyze heat-exchanger rig and whether satisfy the requirement of design standards and the degree of material damage, find out the defective on the manufacturing process, in the serviceable life of prediction product, reliable foundation is provided for manufacturing and designing qualified product.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with description of drawings structure of the present invention and principle of work are done further detailed description, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As shown in Figure 1, alternating hot and cold impact test apparatus of the present invention mainly comprises connecting tube I 1, temperature sensor I 2, high temperature stable-pressure device 3, tensimeter I 4, connecting tube II 5, temperature sensor II 6; Flowmeter I 7, tensimeter II 8, connecting tube III 9, high temperature water pump 10, connecting tube IV 11, power regulating eqiupment 12, electric heater unit 13; Connecting tube V 14, combination valve import I 15, combination valve outlet I 16, combination valve outlet II 17, combination valve body I 18, combination valve outlet III 19; Combination valve import II 20, connecting tube VI 21, low temperature water pump 22, connecting tube VII 23, tensimeter III 24, flowmeter II 25; Temperature sensor III 26, low temperature stable-pressure device 27, connecting tube VIII 28, tensimeter IV 29, temperature sensor IV 30, connecting tube VI 31; Refrigeration unit 32, evaporation-cooled device 33, temperature sensor V 34, heat-exchanger rig 35, low temperature liquid by-pass pipe 36, temperature sensor VI 37; Testing tube I 38, connecting tube VII 39, combination valve outlet IV 40, combination valve import III 41, combination valve import IV 42, combination valve body II 43; Combination valve import V 44, combination valve outlet V 45, testing tube II 46, insulation material 47, high temperature liquid by-pass pipe 48, control device 49.
Tensimeter I 4 is equipped with in the upper end of high temperature stable-pressure device 3, and the upper and lower bottom of high temperature stable-pressure device 3 is connected with connecting tube I 1 with connecting tube II 5 respectively, and temperature sensor II 6 is housed on the connecting tube II 5; Temperature sensor I 2 is housed on the connecting tube I 1; Its upper end is connected with flowmeter I 7, and the other end connecting tube III 9 of flowmeter I 7 is equipped with tensimeter II 8 on the connecting tube III 9; The upper end of connecting tube III 9 is connected with high temperature water pump 10; The other end of high temperature water pump 10 is connected with electric heater unit 13, and power regulating eqiupment 12 is housed on the electric heater unit 13, and the other end of electric heater unit 13 is connected with combination valve import I 15; Combination valve import I 15 is made of one with combination valve body I 18, and the other end of combination valve body I 18 is a combination valve import II 20.
Combination valve outlet I 16 is connected with combination valve import V 44 through high temperature liquid by-pass pipe 48.
Combination valve outlet II 17 is connected with heat-exchanger rig 35 through testing tube II 46; Temperature sensor V 34 is housed on the testing tube II 46; Insulation material 47 is equipped with in the outer end of heat-exchanger rig 35; The other end of heat-exchanger rig 35 is connected with combination valve import IV 42 through testing tube I 38, and temperature sensor VI 37 is housed on the testing tube I 38.
Combination valve outlet III 19 is connected with combination valve import III 41 through low temperature liquid by-pass pipe 36.
Combination valve import III 41, combination valve import IV 42, combination valve import V 44, combination valve outlet IV 40, combination valve outlet V 44 all is made of one with combination valve body II 43.
Combination valve outlet I 16 is arranged, combination valve outlet II 17, combination valve outlet III 19, combination valve import I 15 and combination valve import II 20 on the combination valve body I 18 respectively.
Combination valve outlet V 44 is connected with high temperature stable-pressure device 3 through connecting tube I 1.
Combination valve outlet IV 40 is connected with evaporation-cooled device 27 through connecting tube VII 39; Evaporation-cooled device 33 is connected with refrigeration unit 32 through refrigerant tubing; The other end of evaporation-cooled device 33 is connected with low temperature stable-pressure device 27 through connecting tube VI 31; Temperature sensor IV 30 is housed on the connecting tube VI 31, and tensimeter IV 29 is equipped with in the upper end of low temperature stable-pressure device 27.
The top of low temperature stable-pressure device 27 is connected with connecting tube VIII 28; Temperature sensor III 26 is housed on the connecting tube VIII 23; Its other end is connected with flowmeter II 25, is connected to connecting tube VII 23 on the other end of flowmeter II 25, and tensimeter III 24 is housed on the connecting tube VII 23; The other end of connecting tube VII 23 is connected with low temperature water pump 22, and the other end of low temperature water pump 22 is connected with combination valve import II 20.
The course of work of the present invention is:
Test is divided into two stages, i.e. preheating and precooling stage and experimental stage.
Preheating and precooling stage:
Start-up control device 49, just carries out preheating and precooling then simultaneously at the time in temperature value, test period and each cycle of setting high-temperature systems and cryogenic system.Mobile medium is the liquid of blending certain proportion anti freezing solution in water in two system circuits; Open combination valve import I 15, combination valve outlet I 16 and combination valve import V 44, combination valve outlet V 45; Start high temperature water pump 10, carry out the closed cycle operation through high temperature liquid by-pass pipe 48; Meanwhile open combination valve import II 20, combination valve import III 19 and combination valve import III 41, combination valve outlet IV 40, start low temperature water pump 22, carry out the closed cycle operation through low temperature liquid by-pass pipe 36; After the flowing liquid temperature reaches setting value in two systems, get into the alternating hot and cold impulse test.
Experimental stage:
On the basis of precooling preheating; Close combination valve outlet I 16, combination valve import V 44, combination valve outlet III 19, combination valve import II 20, combination valve outlet IV 40 and combination valve import III 41; Open combination valve outlet II 17 and combination valve import IV 42; Start the high temperature water pump, carry out the thermal shock test of one-period.Give power regulating eqiupment 12 through tested heat-exchanger rig 35 inflow point's temperature sensor V 34 return signals, by power regulating eqiupment 12 control electric heaters 13, the temperature constant that makes flow media in the thermal shock test process is in definite accuracy.After reaching the time that one-period sets; Control device 49 can cut out combination valve outlet II 17, combination valve import IV 42, combination valve import I 15 and combination valve outlet V 45 automatically; Open combination valve outlet III 19, combination valve import II 20, combination valve outlet IV 40 and combination valve import III 41, carry out the cold shock test of one-period.Give refrigeration unit 32 through tested heat-exchanger rig 35 inflow point's temperature sensor V 34 return signals, refrigeration unit 32 control evaporation-cooled devices 33, the temperature constant that makes flow media in the cold shock process of the test is in definite accuracy.After reaching the time that one-period sets; Control device 49 can cut out combination valve outlet III 19, combination valve import II 20, combination valve outlet IV 40 and combination valve import III 41 automatically; Again open combination valve outlet II 17, combination valve import IV 42, combination valve import I 15 and combination valve outlet V 45 again; The impulse test of carrying out alternating hot and cold of going round and beginning again is till accomplishing the cycle of setting.Through the detection of alternating hot and cold impact test apparatus, heat-exchanger rig be can analyze and the requirement of design standards and the degree of material damage whether satisfied, find out the defective on the manufacturing process, the serviceable life of prediction product.

Claims (8)

1. alternating hot and cold impact test apparatus is by preheating, pre-cooler, proving installation; Control device is formed; Preheating, pre-cooler link together through combination valve body I (18) and combination valve body II (43), and it is characterized in that: said preheating device comprises high temperature stable-pressure device (3), high temperature water pump (10); Electric heater unit (13), the high temperature stable-pressure device
(3) one ends are through high temperature water pump (10), the combination valve import I on electric heater unit (13) and the combination valve body I (18)
(15) be connected; Combination valve outlet V (45) on the other end and the combination valve body II (43) is connected, and the combination valve of combination valve body I (18) exports between the combination valve import V (44) of I (16) and combination valve body II (43) and is connected to form preheating circuit through high temperature liquid by-pass pipe (48);
Said pre-cooler comprises low temperature stable-pressure device (27); Evaporation-cooled device (33); Low temperature water pump (22); Low temperature stable-pressure device (27) one ends are connected with combination valve import II (20) on the combination valve body I (18) through low temperature water pump (22); The combination valve outlet IV (40) of the other end on evaporation-cooled device (33) and combination valve body II (43) is connected, and is connected to form the precooling loop through low temperature by-pass pipe (36) between the combination valve outlet III (19) of combination valve body I (18) and the combination valve import III (41) of combination valve body II (43);
Said proving installation comprises testing tube I (38); Testing tube II (46); Combination valve outlet II (17) on one end of testing tube II (46) and the combination valve body I (18) is connected; One end of testing tube I (38) is connected with combination valve import IV (42) on the combination valve body II (43), and testing tube I (38) is connected with tested heat-exchanger rig (35) two ends respectively with testing tube II (46) other end.
2. alternating hot and cold impact test apparatus according to claim 1; It is characterized in that: temperature sensor I (2) is equipped with at said high temperature stable-pressure device (3) and low temperature stable-pressure device (27) two ends respectively; Temperature sensor II (6) and temperature sensor III (26), temperature sensor IV (30).
3. alternating hot and cold impact test apparatus according to claim 1; It is characterized in that: said high temperature stable-pressure device (3) and low temperature stable-pressure device (27) are cylindrical, and tensimeter I (4) and tensimeter IV (29) are housed respectively in the upper end of high temperature stable-pressure device (3) and low temperature stable-pressure device (27).
4. alternating hot and cold impact test apparatus according to claim 1 is characterized in that: power regulating eqiupment (12) is housed on the said electric heater unit (13).
5. alternating hot and cold impact test apparatus according to claim 1 is characterized in that: flowmeter I (7) and tensimeter II (8) are housed, said low temperature stable-pressure device on the pipeline between said high temperature stable-pressure device (3) and the high temperature water pump (10)
(27) and flowmeter II (25) and tensimeter III (24) be housed between the low temperature water pump (22).
6. alternating hot and cold impact test apparatus according to claim 1; It is characterized in that: temperature sensor V (34) is housed on the said testing tube II (46); Temperature sensor VI (37) is housed on the testing tube I (38), and insulation material (47) is equipped with in the outer end of heat-exchanger rig (35).
7. alternating hot and cold impact test apparatus according to claim 1 is characterized in that: said evaporation-cooled device (33) is connected with refrigeration unit (32) through refrigerant tubing.
8. alternating hot and cold impact test apparatus according to claim 1 is characterized in that said control device connects all water pumps, combination valve, flowmeter, temperature sensor, tensimeter, electric heater respectively.
CN2010105176149A 2010-10-25 2010-10-25 Cold and hot alternation impact test device Expired - Fee Related CN101982756B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105176149A CN101982756B (en) 2010-10-25 2010-10-25 Cold and hot alternation impact test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105176149A CN101982756B (en) 2010-10-25 2010-10-25 Cold and hot alternation impact test device

Publications (2)

Publication Number Publication Date
CN101982756A CN101982756A (en) 2011-03-02
CN101982756B true CN101982756B (en) 2012-07-04

Family

ID=43619658

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010105176149A Expired - Fee Related CN101982756B (en) 2010-10-25 2010-10-25 Cold and hot alternation impact test device

Country Status (1)

Country Link
CN (1) CN101982756B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102607979B (en) * 2012-03-30 2013-10-02 扬州大学 Vacuum glass thermal cycling fatigue test device
CN102866076B (en) * 2012-08-14 2014-06-18 哈尔滨工业大学 Conductive-type thermal-protection material cold/hot circulating thermal shock test apparatus
CN103234739B (en) * 2013-04-01 2016-08-31 中国北方发动机研究所(天津) A kind of cylinder head thermal fatigue test apparatus and test method
CN104280222A (en) * 2013-07-09 2015-01-14 上海天纳克排气系统有限公司 Automobile exhaust pipe cold and hot impact testing device
CN103437990B (en) * 2013-07-17 2019-03-22 上海硕翼机电设备有限公司 Pump thermal shock test method and system
CN104409116B (en) * 2014-10-27 2017-06-30 宁波天生密封件有限公司 The O-shaped sealing ring detection method of CAP1400 metals and experiment porch
CN104458474B (en) * 2014-12-05 2017-02-22 武汉科技大学 Device for testing thermal fatigue of die-casting mold
CN104596788B (en) * 2015-01-30 2017-08-11 上海电气凯士比核电泵阀有限公司 Experimental rig for testing high voltage cooler performance
CN104977221A (en) * 2015-07-02 2015-10-14 芜湖鸣人热能设备有限公司 Hot water unit heating bend pipe detection device
CN105910938A (en) * 2016-06-03 2016-08-31 无锡市奥斯韦特科技有限公司 Impact test box and impact mode thereof
CN108132199B (en) * 2018-01-30 2020-08-07 重庆大学 Batch thermal shock testing device for ultra-high temperature materials
CN108132200A (en) * 2018-01-30 2018-06-08 重庆大学 A kind of two-box type thermal shock experiment device for superhigh temperature ceramics

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793652A (en) * 2010-02-10 2010-08-04 中国北方车辆研究所 Heat exchanger performance experiment device
CN201828477U (en) * 2010-10-25 2011-05-11 上海理工大学 Heating and cooling alternating impact test device for heat exchange device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3024325B2 (en) * 1991-11-14 2000-03-21 ダイキン工業株式会社 Liquid tank type thermal shock test equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793652A (en) * 2010-02-10 2010-08-04 中国北方车辆研究所 Heat exchanger performance experiment device
CN201828477U (en) * 2010-10-25 2011-05-11 上海理工大学 Heating and cooling alternating impact test device for heat exchange device

Also Published As

Publication number Publication date
CN101982756A (en) 2011-03-02

Similar Documents

Publication Publication Date Title
CN101982756B (en) Cold and hot alternation impact test device
CN103592142A (en) System for testing heat transfer and resistance characteristics of large-size generating equipment heat exchanger
CN103983464A (en) Heat exchanger performance test platform
CN203376225U (en) Heat cycle test equipment
CN201828477U (en) Heating and cooling alternating impact test device for heat exchange device
CN103175732B (en) Test bed for simulating thermal fatigue phenomenon of nuclear power station pipeline
CN102364321A (en) System for testing cooling and heating capacity of water source heat pump unit
CN102175351B (en) Device for testing thermal performance and fluid resistance of liquid-liquid heat exchanger
CN205079951U (en) Circulation heat pump water heater efficiency measurement system
CN205352721U (en) Heat pump set comprehensive properties testing system
CN202511981U (en) Universal testing device for gas water-heating device
CN103335411A (en) Centralized hot water supplying device with leakage alarm
CN207764053U (en) A kind of resistance to compression detection device of pressure vessel
CN205919534U (en) Temperature regulation apparatus , electrical apparatus box and air of electrical apparatus box can water heaters
CN108225891B (en) High-low temperature medium circulation testing device and method
CN103969288B (en) A kind of low-temperature space test device of thermal conductivity coefficient
CN204043940U (en) A kind of radiator cold thermal cycling test system
CN206583619U (en) A kind of heater test platform
CN202216579U (en) Anti-freezing device for closed cooling tower
CN205771141U (en) A kind of material trough outer circulation cooling system
CN202305244U (en) System for testing cooling and heating capacity of water source heat pump unit
CN204924502U (en) Calorimeter calibrating installation heat transfer constant temperature water tank
CN207317056U (en) The circulatory system and conduction oil heating cycle system
CN103398938A (en) Internal corrosion test bed for heat exchanger
CN205137899U (en) Air heating system

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20141025

EXPY Termination of patent right or utility model