CN202119617U - Heat exchange tester of surface water heat exchanger - Google Patents
Heat exchange tester of surface water heat exchanger Download PDFInfo
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- CN202119617U CN202119617U CN2011201537294U CN201120153729U CN202119617U CN 202119617 U CN202119617 U CN 202119617U CN 2011201537294 U CN2011201537294 U CN 2011201537294U CN 201120153729 U CN201120153729 U CN 201120153729U CN 202119617 U CN202119617 U CN 202119617U
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- heat exchanger
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Abstract
The utility model relates to a heat exchange tester of a surface water heat exchanger, including an air-cooled refrigerating unit, a cycle water pump, a valve, a water-water heat exchanger, a temperature control electric heater, an insulation water tank, a flowmeter, a temperature sensor, a surface water heat exchanger and a refrigerating unit controller. A refrigerated water system and a tested water system are added with an antifreezing agent. Compared to the prior art, in the utility model, the heat exchange of the heat exchanger can be accurately tested under the two modes of heat radiation and heat absorption of the surface water heat exchanger of the surface water source heat pump system to the surface water, accurate basic data can be provided for the design of the water source heat pump system, the tester is in favor of reasonable exploitation and utilization of surface water shallow-layer underground heat resource, the structure of the tester equipment is simple, and certain application and popularization value is possessed.
Description
Technical field
The utility model relates to surface water water source heat pump system surface water heat interchanger heat testing tool, especially relates to a kind of surface water heat interchanger heat tester.
Background technology
Water resource heat pump is a kind ofly to utilize earth surface or shallow-layer water source (like underground water, river and lake), or artificial regeneration water source (industrial waste water, underground heat tail water etc.) but not only heat supply but also the high-efficiency energy-saving air conditioning system that can freeze.The source pump of utilizing water source heat pump technology realizes low-temperature heat energy to the high temperature bit transition, with water body and stratum accumulation of energy respectively winter, summer as the thermal source that heats and the low-temperature receiver of air-conditioning.In the winter time, " get the heat in water body and the stratum " to come out, after the raising temperature, supply with indoor heating; Summer, take out indoor heat, be discharged in water body and the stratum and go.The characteristic that the shallow surface temperature is comparatively constant makes that the operation of source pump is reliable more and stable, has also guaranteed the high efficiency and the economy of system.
Because the surface water water source heat pump air conditioning system has energy-efficient and economy, water resource heat pump has obtained using widely in recent years.The performance of surface water heat interchanger has decisive influence to this system high efficiency operation in the water source heat pump system, so the optimal design of surface water heat interchanger is most important.But; Surface water heat interchanger heat exchange property is relevant with factors such as field condition such as water area size, the degree of depth, annual water temperature, water flow velocity, water quality and heat interchanger forms; So measure surface water heat interchanger heat exactly, and to carry out matching Design with source pump be gordian technique and key problem in the surface water source heat pump system promotion and application.
At present; Existing many about ground heat exchanger heat measuring technology; Like the proving installation (patent No. ZL 200820151891.0) of the digital test device (patent No. ZL 200720096974.X) of soil source heat pump ground heat exchanger exchange capability of heat, a kind of portable test ground heat exchanger exchange capability of heat, a kind of ground buried pipe of ground source heat pump heat tester (patent No. ZL 200820065709.X) etc.; But these measuring technologies can only be to the heat test of soil source buried tube heat exchanger; Can not test the heat interchanger heat of surface water such as seawater, river, lake water; Phenomenon that main cause is in some areas such as freezing appears in the water surface of Ha Erbin, Dalian such as seawater, river, lake water etc. or surface water temperature are during near zero degree; Water in the surface water Tube Sheet of Heat Exchanger generally adds anti freezing solution, and during water source heat pump units operation heating condition, aqueous temperature possibly be lower than subzero in the surface water Tube Sheet of Heat Exchanger.So above measuring technology is to be used to measure surface water heat interchanger heat.And, lack corresponding method of detection and means about the detection technique of surface water heat interchanger heat still blank out at present.So research and development surface water heat interchanger heat tester is a key of optimizing the water resource heat pump design and construction, also is the trend place of applying water source heat pump system.
The utility model content
Be exactly Zong the purpose of the utility model provides a kind of on-the-spot tester of directly measuring multi-form surface water heat interchanger unit's pipe range heat and heat that can be used for exactly for the defective that overcomes above-mentioned prior art and exist, heat that can the surface water heat interchanger of test water source heat pump air-conditioning system under surface water heat release or two kinds of patterns of heat-obtaining amount.
The purpose of the utility model can realize through following technical scheme:
Surface water heat interchanger heat tester; It is characterized in that; This tester comprises air cooling chiller group, water circulating pump, valve, water-water heat exchanger, band electric heater with thermostat, attemperater, flowmeter, temperature sensor, surface water heat interchanger and refrigeration unit controller; Described air cooling chiller group is connected with water-water heat exchanger through pipeline, and this water-water heat exchanger is located in the attemperater, is provided with the band electric heater with thermostat in the attemperater; Pipeline between air cooling chiller group and the water-water heat exchanger is provided with valve and water circulating pump; Attemperater is connected with the surface water heat interchanger through pipeline, and pipeline is provided with water circulating pump, flowmeter, valve and temperature sensor, and described surface water heat interchanger is located in the attemperater.
Described air cooling chiller group can be produced-10 ℃ of glycol waters, and this air cooling chiller group adopts VFC can regulate refrigerating capacity, satisfies different caloric receptivity test requests.
Described water circulating pump adopts VFC can regulate discharge, satisfies the test request of face of land water-to-water heat exchanger different flow.
Described band electric heater with thermostat adopts the step control heating, not only can finely tune the attemperater water temperature, and can satisfy the test request of face of land water-to-water heat exchanger different heat release amount and different water temperatures.
During described refrigeration, in the chilled water pipe, water-water heat exchanger, attemperater and tested water system under the overall leadership in and the WS of tested heat interchanger all add freeze-point depressant.
Described freeze-point depressant comprises monoethylene glycol.
Described flow is taken into account temperature sensor and is connected with data acquisition unit or computer, realizes that surface water heat interchanger Inlet and outlet water temperature and data on flows realize gathering automatically.
During the simulation summer condition; Device to the surface water heat release is an electric heater; Start electric heater and be heated to design temperature to the water in the water tank, water circulating pump drives water and flow in the surface water heat interchanger, through flowing back in the attemperater again after the surface water heat exchange; Record the temperature difference and the flow of circulating water flow before and after the surface water heat interchanger, can calculate surface water heat interchanger heat or unit pipe range heat.
During the simulation winter condition; Device to the surface water draw heat is the air cooling chiller group; Start the air cooling chiller group and arrive design temperature to the water cooling in the water tank, water circulating pump drives water and flow in the surface water heat interchanger, through flowing back in the attemperater again after the surface water heat exchange; Record the temperature difference and the flow of circulating water flow before and after the surface water heat interchanger, can calculate surface water heat interchanger heat or unit pipe range heat.
Compared with prior art; The utlity model has following advantage: surface water heat interchanger heat tester can accurately be measured the heat interchanger heat size of water source heat pump system surface water heat interchanger under the surface water heat radiation and the two kinds of patterns of absorbing heat; The design that can be water source heat pump system provides basic document and foundation accurately; Help the development and use of surface water geothermal using reasonable resources, and the testing apparatus mechanism structure is simple, has certain application and popularization value.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment
Surface water heat interchanger heat tester; Its structure is as shown in Figure 1; This tester comprises air cooling chiller group 1, water circulating pump, valve, water-water heat exchanger 5, band electric heater with thermostat 6, attemperater 14, water circulating pump 7, flowmeter 8, temperature sensor, surface water heat interchanger 13 and refrigeration unit controller 16; Air cooling chiller group 1 is connected with water-water heat exchanger 5 through pipeline; This water-water heat exchanger 5 is located in the attemperater 14, is provided with band electric heater with thermostat 6 in the attemperater 14, and the top is provided with stirrer 15.Pipeline between air cooling chiller group 1 and the water-water heat exchanger 5 is provided with valve 3, valve 4 and water circulating pump 2; Attemperater 14 is connected with surface water heat interchanger 13 through pipeline; Pipeline is provided with water circulating pump 7, flowmeter 8, temperature sensor 9, valve 10 and valve 11, temperature sensor 12; Surface water heat interchanger 13 is located in the attemperater 14, and refrigeration unit controller 16 is located at air cooling chiller group 1 and is provided with between the attemperater 14 of water-water heat exchanger 5.
Air cooling chiller group 1 can be produced-10 ℃ of chilled waters (being added with anti freezing solution), and this air cooling chiller group adopts VFC can regulate refrigerating capacity, satisfies different caloric receptivity test requests.Water circulating pump adopts VFC can regulate discharge, satisfies the test request of face of land water-to-water heat exchanger different flow.The band electric heater with thermostat adopts the step control heating, not only can finely tune the attemperater water temperature, and can satisfy the test request of face of land water-to-water heat exchanger different heat release amount and different water temperatures.In the chilled water pipe of air cooling chiller group 1, water-water heat exchanger 5, attemperater 14 and tested water system under the overall leadership in and the WS of tested heat interchanger all add antifreeze glycol.Flow is taken into account temperature sensor and is connected with data acquisition unit or computer, realizes that surface water heat interchanger Inlet and outlet water temperature and data on flows realize gathering automatically.
Measured heat interchanger heat workflow when winter, the surface water heat interchanger absorbed heat
When measuring surface water heat interchanger heat in winter, Open valve 3, valve 4 start water circulating pump 2 and air cooling chiller group 1, arrive design temperature to the water cooling in the attemperater 14 through water-water heat exchanger 5; Open valve 10, valve 11 then; Starting water circulating pump 7 driving water flow in the surface water heat interchanger 13; Carry out flowing back to again in the attemperater 14 after the heat exchange with surface water; After face of land water-to-water heat exchanger 13 and surface water heat exchange are stable, record temperature sensor 9 and temperature sensor 12 temperature and flowmeter 8, can calculate surface water heat interchanger heat or unit pipe range heat.
Measure heat interchanger heat workflow summer during surface water heat interchanger heat release
When measuring surface water heat interchanger heat in summer; Open valve 10, valve 11 start band electric heater with thermostat 6, start water circulating pump 7 driving water and flow in the surface water heat interchanger 13; Carry out flowing back to again in the attemperater 14 after the heat exchange with surface water; After face of land water-to-water heat exchanger and surface water heat exchange are stable, record temperature sensor 9 and temperature sensor 12 temperature and flowmeter 8, can calculate surface water heat interchanger heat or unit pipe range heat.
Surface water heat interchanger heat is calculated:
Q＝C
p×ρ×L×Δt
In the formula, Q-surface water heat interchanger heat, kW; C
p-specific heat of water, kJ/kg. ℃; The density of ρ-water, kg/m
3The L-circulating water flow, m
3/ s; The water outlet of Δ t-heat interchanger and the water inlet temperature difference, ℃.
(2) the average heat of surface water heat interchanger unit length is calculated:
q＝Q/l
In the formula, Q-surface water heat interchanger unit length heat, kW; L-surface water heat interchanger total length, m.
Claims (5)
1. surface water heat interchanger heat tester; It is characterized in that; This tester comprises air cooling chiller group, water circulating pump, valve, water-water heat exchanger, band electric heater with thermostat, attemperater, flowmeter, temperature sensor, surface water heat interchanger and refrigeration unit controller; Described air cooling chiller group is connected with water-water heat exchanger through pipeline, and this water-water heat exchanger is located in the attemperater, is provided with the band electric heater with thermostat in the attemperater; Pipeline between air cooling chiller group and the water-water heat exchanger is provided with valve and water circulating pump; Attemperater is connected with the surface water heat interchanger through pipeline, and pipeline is provided with water circulating pump, flowmeter, valve and temperature sensor, adds freeze-point depressant in the attemperater when described surface water heat interchanger tester is measured surface water heat interchanger caloric receptivity.
2. surface water heat interchanger heat tester according to claim 1 is characterized in that described air cooling chiller group is the refrigeration unit of VFC.
3. surface water heat interchanger heat tester according to claim 1 is characterized in that described water circulating pump is the water circulating pump of VFC.
4. surface water heat interchanger heat tester according to claim 1 is characterized in that, described band electric heater with thermostat is the electric heater of step control heating.
5. surface water heat interchanger heat tester according to claim 1 is characterized in that described flow is taken into account temperature sensor and is connected with data acquisition unit or computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201537294U CN202119617U (en) | 2011-05-13 | 2011-05-13 | Heat exchange tester of surface water heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201537294U CN202119617U (en) | 2011-05-13 | 2011-05-13 | Heat exchange tester of surface water heat exchanger |
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| Publication Number | Publication Date |
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| CN202119617U true CN202119617U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201537294U Expired - Fee Related CN202119617U (en) | 2011-05-13 | 2011-05-13 | Heat exchange tester of surface water heat exchanger |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136342A (en) * | 2015-09-16 | 2015-12-09 | 上海佐竹冷热控制技术有限公司 | System and method for improving measurement precision of heat exchange amount of heat exchanger under temperature differential condition |
| CN107478451A (en) * | 2017-04-21 | 2017-12-15 | 机械工业上海蓝亚石化设备检测所有限公司 | A kind of large-scale water-hydrothermal exchange equipment test device |
| CN109297541A (en) * | 2018-11-13 | 2019-02-01 | 河南恒天润景环境科技有限公司 | A kind of test device being suitable for warm air source heat pump system |
| CN109946054A (en) * | 2019-03-21 | 2019-06-28 | 中国科学院高能物理研究所 | A kind of low temperature supercooling circulatory system and low-temperature circulating pump test macro |
| AT16461U1 (en) * | 2018-08-27 | 2019-10-15 | Ivd Prof Hohenberg Gmbh | TEST EQUIPMENT FOR DETERMINING THE DYNAMIC THERMAL BEHAVIOR OF A TEST OBJECT |
| CN112763101A (en) * | 2020-12-24 | 2021-05-07 | 新乡市双诚环保设备有限公司 | Geothermal tunnel heat dissipation capacity detection device and detection method |
-
2011
- 2011-05-13 CN CN2011201537294U patent/CN202119617U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136342A (en) * | 2015-09-16 | 2015-12-09 | 上海佐竹冷热控制技术有限公司 | System and method for improving measurement precision of heat exchange amount of heat exchanger under temperature differential condition |
| CN105136342B (en) * | 2015-09-16 | 2017-12-05 | 上海佐竹冷热控制技术有限公司 | The system and method for heat exchanger heat exchange amount measurement accuracy is improved under the conditions of tepor difference |
| CN107478451A (en) * | 2017-04-21 | 2017-12-15 | 机械工业上海蓝亚石化设备检测所有限公司 | A kind of large-scale water-hydrothermal exchange equipment test device |
| AT16461U1 (en) * | 2018-08-27 | 2019-10-15 | Ivd Prof Hohenberg Gmbh | TEST EQUIPMENT FOR DETERMINING THE DYNAMIC THERMAL BEHAVIOR OF A TEST OBJECT |
| CN109297541A (en) * | 2018-11-13 | 2019-02-01 | 河南恒天润景环境科技有限公司 | A kind of test device being suitable for warm air source heat pump system |
| CN109946054A (en) * | 2019-03-21 | 2019-06-28 | 中国科学院高能物理研究所 | A kind of low temperature supercooling circulatory system and low-temperature circulating pump test macro |
| CN112763101A (en) * | 2020-12-24 | 2021-05-07 | 新乡市双诚环保设备有限公司 | Geothermal tunnel heat dissipation capacity detection device and detection 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 |
Granted publication date: 20120118 Termination date: 20150513 |
|
| EXPY | Termination of patent right or utility model |