CN205301217U - Intraductal boiling of double pipe heat exchanger / condensation heat transfer performance test platform - Google Patents
Intraductal boiling of double pipe heat exchanger / condensation heat transfer performance test platform Download PDFInfo
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- CN205301217U CN205301217U CN201521078337.0U CN201521078337U CN205301217U CN 205301217 U CN205301217 U CN 205301217U CN 201521078337 U CN201521078337 U CN 201521078337U CN 205301217 U CN205301217 U CN 205301217U
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- heat exchanger
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- refrigerating
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Abstract
The utility model relates to an intraductal boiling of double pipe heat exchanger / condensation experiment platform, include: refrigerant loop system, it includes anterior heat exchanger, test section, rear portion heat exchanger, reservoir, refrigerant pump, the cooling water set system, its test section department at refrigerant loop system is connected with system refrigerant loop system, including water pump, cooling water set heater and cooling water set heat exchanger, secondary refrigerant circulation system, the secondary refrigerant is wherein flowing, and the flow direction of secondary refrigerant can change through the governing valve, this system can be respectively with refrigerant loop system in anterior heat exchanger, test section, rear portion heat exchanger and reservoir be connected to carry out the heat exchange with the refrigerant among the refrigerant loop system, computer control system, it is used for realizing the control to the intraductal boiling of double pipe heat exchanger / condensation experiment platform. The utility model discloses do not changing the experimental facilities and do not increasing under additional cost's the prerequisite, can seethe with excitement to same refrigeration working medium, heat transfer pipeline / condensation is experimental.
Description
Technical field
This utility model relates to field of heat exchange, more particularly to a kind of double pipe heat exchanger boiling in ducts/condensing heat-exchange Testing Platform.
Background technology
In recent years, along with being on the rise of environmental problem, the replacement of novel refrigerant is extremely urgent, but can original heat transmission equipment be applicable to novel working medium and whether still having high efficient heat exchanging performance is still unsolved mystery, for this, existing heat transmission equipment need to carry out the performance test of necessity.
For double pipe heat exchanger, Performance Test System many employings vapour compression refrigeration system, but due to the restriction of compressor, be only capable of being limited to a kind of cold-producing medium is tested, and the state at more difficult Control experiment section import and export place, thus cannot be set for operating mode.
And for some specific single tube Performance Test System, simple and crude due to lectotype selection, it is only capable of meeting single heat transfer boundary condition, the suitability is limited, can not be widely popularized.
Summary of the invention
This utility model provides a kind of double pipe heat exchanger boiling in ducts/condensing heat-exchange Testing Platform, and it can overcome certain or multiple defect that exist in prior art.
This utility model provides a kind of double pipe heat exchanger boiling in ducts/condensation test platform, including:
Refrigerant circuit systems, cold-producing medium flows in refrigerant circuit systems, and refrigerant circuit systems includes anterior heat exchanger, test section, rear heat exchange device, reservoir, refrigerated medium pump;
Water chilling unit system, water chilling unit system is connected with refrigerant circuit systems at the test section place of refrigerant circuit systems, and includes water pump, handpiece Water Chilling Units heater and handpiece Water Chilling Units heat exchanger;
Refrigerating medium blood circulation, refrigerating medium flows in refrigerating medium blood circulation, and the flow direction of refrigerating medium can be changed by adjustment valve, this refrigerating medium blood circulation can be connected with the anterior heat exchanger in refrigerant circuit systems, test section, rear heat exchange device and reservoir respectively, to carry out heat exchange with the cold-producing medium in refrigerant circuit systems;And
Computer control system, this computer control system is for realizing the control to double pipe heat exchanger boiling in ducts/condensation test platform.
According to double pipe heat exchanger boiling in ducts/condensing heat-exchange Testing Platform of the present utility model, be changed without experimental facilities and do not increase extra cost premise under, can seethe with excitement/agglutination,cold test to same refrigeration working medium, heat exchange pipeline.
In a specific embodiment of the present utility model, when refrigerating medium blood circulation is connected with rear heat exchange device and reservoir, the cold-producing medium flowed out from reservoir can in the heated boiling of test section, and the cold-producing medium of heated boiling can be condensed by the refrigerating medium in refrigerating medium blood circulation at rear heat exchange device place such that it is able to carry out boiling experiment.
In a specific embodiment of the present utility model, when refrigerating medium blood circulation is connected with anterior heat exchanger and handpiece Water Chilling Units heat exchanger, the cold-producing medium flowed out from reservoir can be heated to form gas at anterior heat exchanger, and can be condensed by the refrigerating medium in refrigerating medium blood circulation at test section place such that it is able to carry out condensation test.
In a specific embodiment of the present utility model, refrigerant circuit systems can also include refrigerating circuit heater, this refrigerating circuit heater is between anterior heat exchanger and test section, and this refrigerating circuit heater adds heat for adjustment, thus accurately administering the flow of cold-producing medium.
In a specific embodiment of the present utility model, anterior heat exchanger in refrigerant circuit systems, test section, rear heat exchange device and reservoir may each comprise liquid-sighting glass, to observe cold-producing medium status such that it is able to conveniently and intuitively observe cold-producing medium state in which when passing in and out respective stage.
In a specific embodiment of the present utility model, in refrigerant circuit systems, the flow of cold-producing medium can in the scope of 18 to 180kg/h, water chiller system can provide the refrigerating capacity of 14.4kw, it is thus possible to first mate's degree reduces the temperature of refrigerating medium, such as, when the ethylene glycol solution that refrigerating medium is 35%, its temperature is minimum up to-7 DEG C.
In a specific embodiment of the present utility model, water chilling unit system can also include expansion tank, and expansion tank is for the water circulating load of replenishment system, by having this architectural feature, it is possible to make system stable working.
When double pipe heat exchanger boiling in ducts/condensing heat-exchange Testing Platform that this utility model provides can make different experiments run, same being repeated property of equipment is utilized, without building new laboratory table, and carry out heat exchange with the refrigerating medium of water chiller offer with internal system heat exchanger, to meet experiment condition demand.
Accompanying drawing explanation
Accompanying drawing is the general illustration illustrating double pipe heat exchanger of the present utility model boiling in ducts/condensing heat-exchange Testing Platform.
Detailed description of the invention
The detailed description of the invention of double pipe heat exchanger of the present utility model boiling in ducts/condensing heat-exchange Testing Platform is described in detail below in conjunction with accompanying drawing.
Accompanying drawing is the general illustration illustrating double pipe heat exchanger of the present utility model boiling in ducts/condensing heat-exchange Testing Platform.
This double pipe heat exchanger boiling in ducts/condensation test platform includes: refrigerant circuit systems, water chilling unit system, refrigerating medium blood circulation and computer control system.
As shown in drawings, refrigerant circuit systems includes refrigerated medium pump BR1, mass flowmenter GR1, evaporating heat exchanger (also referred to as anterior heat exchanger) HE1, electric heater (refrigerating circuit heater) H3, heat energy expansion valve EXV, experiment test section (or test section) T.S, condensing heat exchanger (also referred to as rear heat exchange device) HE3, reservoir RT.
In boiling in ducts shown in the drawings/condensation test platform, heat energy expansion valve EXV is multiple, including EXV1 and the EXV2 that the inlet and outlet being positioned at test section enters. Compressor is replaced to provide the power in whole loop by refrigerated medium pump BR1. Mass flowmenter GR1 measures the flow of cold-producing medium. The reservoir RT with liquid storage function can according to the charging amount of cold-producing medium in requirement of experiment automatic regulating system, and the cold-producing medium in this reservoir RT was carried out cold treatment, cold-producing medium status is observed, it is ensured that the degree of accuracy of the surveyed data of mass flowmenter GR1 by liquid-sighting glass S1.
Water chilling unit system is connected with refrigerant circuit systems processed at the test section place of refrigerant circuit systems. Water chilling unit system (water circulation) includes expansion tank ET, water pump BW2, electric heater (handpiece Water Chilling Units heater) H2, electromagnetic flowmeter GW1, plate type heat exchanger (handpiece Water Chilling Units heat exchanger) HE2.
Expansion tank ET is mainly used in replenishment system water circulating load, and electric heater H2 is mainly used in boiling experiment heating, and according to the heat transfer effect of plate type heat exchanger HE2 and the gap set between operating mode, water circulation can be modified heating. In experimental test section, pipe is copper pipe to be measured, and outer tube is stainless steel tube, and cold-producing medium moves at interior pipe flow, and water flows in circulating line, and the two is reverse flow such that it is able to carry out heat exchange.
State before cold-producing medium test is determined by parameter T5, P3, and the state after test is determined by T4, P4, thus the pressure drop obtaining test lead can be calculated by P3, P4, and in water circulation, the import and export water temperature of water is measured by platinum resistance T1, T2, and inlet pressure is obtained by P1.
This water chilling unit system also includes liquid-sighting glass S3 and S4, and liquid-sighting glass S3 and S4 is positioned at the import and export of experimental test section, is used for observing cold-producing medium in turnover experimental test section state in which.
Refrigerating medium flows in refrigerating medium blood circulation, this refrigerating medium blood circulation can be connected with the anterior heat exchanger HE1 in refrigerant circuit systems, test section T.S, rear heat exchange device HE3 and reservoir RT respectively, to carry out heat exchange with the cold-producing medium in refrigerant circuit systems, and change the refrigerating medium flow direction in pipeline by electromagnetic valve for adjusting, ball valve etc., meet experiment condition requirement.
By accompanying drawing it can be seen that front heater is made up of evaporating heat exchanger HE1, electric heater H1, pump BW1, electromagnetic flowmeter GW3. From the thermostatic water tank CTT refrigerating medium (being ethylene glycol in the present embodiment) flowed out under the driving of pump BW1, flow separately through electric heater H1, evaporating heat exchanger HE1 and electromagnetic flowmeter GW3, thus when carrying out condensation test, being heated refrigeration working medium processing.
The main element of rear portion condenser is condensing heat exchanger HE3, the ethylene glycol flowed out by thermostatic water tank CTT flows to condensing heat exchanger HE3 under the driving of pump BW3, when carrying out boiling experiment, refrigerant vapour being condensed, wherein the ethylene glycol flow in loop is recorded by mass flowmenter GW2. By control valve change glycol flow to so that it is respectively enter plate type heat exchanger HE2, reservoir RT, so, the heat of experimental test section water loop can be got rid of on the one hand, the cold-producing medium in reservoir RT can be carried out cold treatment on the other hand.
The work process of refrigerating medium loop system is described below.
When carrying out boiling experiment, evaporating heat exchanger HE1, plate type heat exchanger HE2 empty calory exchange, electric heater H2 provide heat for test section, liquid refrigerant flows out from reservoir RT, under the driving of refrigerated medium pump BR1, enter test section carry out boiling heat transfer experiment, heated cold-producing medium condenses in condensing heat exchanger HE3, and the liquid refrigerant after condensed returns to reservoir RT and enters subsequent cycle.
When carrying out condensation test, condensing heat exchanger HE3 empty calory exchanges, refrigerating medium blood circulation provides the cooling water of constant temperature by plate type heat exchanger HE2 for experiment test section T.S, from the reservoir RT liquid refrigerant flowed out under the driving of refrigerated medium pump BR1, evaporating heat exchanger HE1 is heated to form gas, after heated, refrigerant vapour entrance test section T.S carries out coagulation experiment, and condensed refrigerant liquid returns to reservoir RT after flowing through condensing heat exchanger HE3.
It follows that the ethylene glycol liquid processed through water chilling unit system, under the driving of pump, its flow direction in pipeline is changed by electromagnetic valve for adjusting, ball valve, carry out heat exchange, completion system and the transmission of extraneous heat respectively with heat exchanger HE1, HE2, HE3, meet experiment condition requirement.
When system is run, the flow adjustment range of cold-producing medium: 18��180kg/h; Water chiller can provide the refrigerating capacity of 14.4kw, and the temperature making the ethylene glycol solution of 35% is minimum up to-7 DEG C.
When testing stand of the present utility model runs, electric heater H3 carries out precision adjustment as precision heater, regulates according to the experimental data T3 recorded, P3 and adds heat, is used for the accurate setting realizing cold-producing medium in the experimental test section porch degree of superheat.
Use computer control system (attached not shown) for realizing the control to double pipe heat exchanger boiling in ducts/condensation test platform, therefore, laboratory table monitoring system based on ForceControl configuration software exploitation, simple to operate, objective interface convenience, automaticity height, can realizing experimental data collection, automatically control and monitoring, main users window includes system major state, major parameter trendgram, user's form and electric heating control window.
This utility model is in that be changed without experimental facilities, does not increase under the premise of extra cost, and can seethe with excitement/agglutination,cold test to same refrigeration working medium, heat exchange pipeline, and performance test data eliminates error that is different by equipment and that cause; And when boiling experiment, evaporating temperature is controlled, and when condensation test, condensation temperature is controlled; Using electric heater H3 in experiment test section porch, cold-producing medium can be carried out the degree of superheat accurately to regulate, refrigerant cycle flow is automatically adjusted by refrigerated medium pump BR1 simultaneously, to meet higher working condition requirement.
The foregoing is only the specific embodiment of utility model, be not intended to this utility model is imposed any restrictions, every according to this utility model, it is carried out etc. by changing and modifying, all within the category of the art of this patent protection scheme.
Claims (7)
1. double pipe heat exchanger boiling in ducts/condensation test platform, it is characterised in that including:
Refrigerant circuit systems, cold-producing medium flows in refrigerant circuit systems, and refrigerant circuit systems includes anterior heat exchanger, test section, rear heat exchange device, reservoir, refrigerated medium pump;
Water chilling unit system, water chilling unit system is connected with refrigerant circuit systems at the test section place of refrigerant circuit systems, and includes water pump, handpiece Water Chilling Units heater and handpiece Water Chilling Units heat exchanger;
Refrigerating medium blood circulation, refrigerating medium flows in refrigerating medium blood circulation, and the flow direction of refrigerating medium can be changed by adjustment valve, this refrigerating medium blood circulation can be connected with the anterior heat exchanger in refrigerant circuit systems, test section, rear heat exchange device and reservoir respectively, to carry out heat exchange with the cold-producing medium in refrigerant circuit systems; And
Computer control system, this computer control system is for realizing the control to double pipe heat exchanger boiling in ducts/condensation test platform.
2. double pipe heat exchanger boiling in ducts/condensation test platform according to claim 1, it is characterized in that, when refrigerating medium blood circulation is connected with rear heat exchange device and reservoir, the cold-producing medium flowed out from reservoir is heated boiling at test section, and the cold-producing medium of heated boiling is condensed by the refrigerating medium in refrigerating medium blood circulation at rear heat exchange device place such that it is able to carry out boiling experiment.
3. double pipe heat exchanger boiling in ducts/condensation test platform according to claim 1, it is characterized in that, when refrigerating medium blood circulation is connected with anterior heat exchanger and handpiece Water Chilling Units heat exchanger, the cold-producing medium flowed out from reservoir is heated to form gas at anterior heat exchanger, and condensed by the refrigerating medium in refrigerating medium blood circulation at test section place such that it is able to carry out condensation test.
4. double pipe heat exchanger boiling in ducts/condensation test platform according to any one of claim 1 to 3, it is characterized in that, refrigerant circuit systems also includes refrigerating circuit heater, this refrigerating circuit heater is between anterior heat exchanger and test section, and this refrigerating circuit heater adds heat for adjustment.
5. double pipe heat exchanger boiling in ducts/condensation test platform according to any one of claim 1 to 3, it is characterized in that, anterior heat exchanger in refrigerant circuit systems, test section, rear heat exchange device and reservoir all include liquid-sighting glass, to observe cold-producing medium status.
6. double pipe heat exchanger boiling in ducts/condensation test platform according to any one of claim 1 to 3, it is characterized in that, in refrigerant circuit systems, the flow of cold-producing medium is in the scope of 18 to 180kg/h, and water chiller system can provide the refrigerating capacity of 14.4kw.
7. double pipe heat exchanger boiling in ducts/condensation test platform according to any one of claim 1 to 3, it is characterised in that water chilling unit system also includes expansion tank, expansion tank is for the water circulating load of replenishment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521078337.0U CN205301217U (en) | 2015-12-22 | 2015-12-22 | Intraductal boiling of double pipe heat exchanger / condensation heat transfer performance test platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521078337.0U CN205301217U (en) | 2015-12-22 | 2015-12-22 | Intraductal boiling of double pipe heat exchanger / condensation heat transfer performance test platform |
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| CN205301217U true CN205301217U (en) | 2016-06-08 |
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| CN201521078337.0U Expired - Fee Related CN205301217U (en) | 2015-12-22 | 2015-12-22 | Intraductal boiling of double pipe heat exchanger / condensation heat transfer performance test platform |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157763A (en) * | 2016-08-26 | 2016-11-23 | 上海理工大学 | Biphase boiling experiment porch in the single tube of small-bore |
| CN108534384A (en) * | 2018-03-08 | 2018-09-14 | 约克广州空调冷冻设备有限公司 | A kind of cooling by wind system and operating method |
| CN110596184A (en) * | 2019-10-14 | 2019-12-20 | 上海海洋大学 | Single-tube in-tube boiling experimental device |
| CN111754848A (en) * | 2020-08-18 | 2020-10-09 | 西安交通大学 | Experimental device and method for researching flow heat exchange characteristic of ultrahigh-temperature rare gas |
| CN112924487A (en) * | 2021-01-11 | 2021-06-08 | 浙大宁波理工学院 | In-tube two-phase flow boiling heat exchange test system and control method |
| CN113933084A (en) * | 2021-10-20 | 2022-01-14 | 南京工程学院 | Heat exchanger heat exchange experiment test platform and test method |
-
2015
- 2015-12-22 CN CN201521078337.0U patent/CN205301217U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157763A (en) * | 2016-08-26 | 2016-11-23 | 上海理工大学 | Biphase boiling experiment porch in the single tube of small-bore |
| CN108534384A (en) * | 2018-03-08 | 2018-09-14 | 约克广州空调冷冻设备有限公司 | A kind of cooling by wind system and operating method |
| CN110596184A (en) * | 2019-10-14 | 2019-12-20 | 上海海洋大学 | Single-tube in-tube boiling experimental device |
| CN111754848A (en) * | 2020-08-18 | 2020-10-09 | 西安交通大学 | Experimental device and method for researching flow heat exchange characteristic of ultrahigh-temperature rare gas |
| CN111754848B (en) * | 2020-08-18 | 2021-11-09 | 西安交通大学 | Experimental device and method for researching flow heat exchange characteristic of ultrahigh-temperature rare gas |
| CN112924487A (en) * | 2021-01-11 | 2021-06-08 | 浙大宁波理工学院 | In-tube two-phase flow boiling heat exchange test system and control method |
| CN113933084A (en) * | 2021-10-20 | 2022-01-14 | 南京工程学院 | Heat exchanger heat exchange experiment test platform and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20161222 |