CN100494825C - Heat pump double water circulation system for ocean thermocline emulation test platform - Google Patents
Heat pump double water circulation system for ocean thermocline emulation test platform Download PDFInfo
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- CN100494825C CN100494825C CNB2007100479355A CN200710047935A CN100494825C CN 100494825 C CN100494825 C CN 100494825C CN B2007100479355 A CNB2007100479355 A CN B2007100479355A CN 200710047935 A CN200710047935 A CN 200710047935A CN 100494825 C CN100494825 C CN 100494825C
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Abstract
This invention is a heat pump double water circulating system of sea thermocline simulation test bed. It belongs to the field of ocean ship engineering technology. It includes water groove, compressor, condenser, temperature controlling expansion valve, evaporator, back water pump, flowmeter, cold water tank, cold water pump, hot water pump, globe valve, water compensating valve, frequency conversion controller, control element and thermometer. This invention uses heat pump double water circulating system, which makes water conveniently transfer heat and reach the needed temperature. The cold and hot water in the water tank is controlled within 0.1m/s-0.6m/s. The temperature of cold and hot water is controlled within 8deg.C-15deg.C. It stimulates the temperature distribution and flow state of sea thermocline under the control of human being. It can greatly save the water resource and electric energy.
Description
Technical field
The present invention relates to a kind of double water circulation system, particularly a kind of heat pump double water circulation system that utilizes the ocean thermocline emulation test platform of heat pump belongs to the marine ship field of engineering technology.
Technical background
Thermocline layer be exist naturally in the ocean, along with the cold and hot water layer of depth of water difference generation water temperature step.Temperature the jump existence of water layer in ocean provides condition especially easily for people utilize Ocean thermal energy.For this reason, for the needs of studying and testing, be necessary that in the laboratory built-in formwork erection intends the testing stand of thermocline layer Temperature Distribution and mobility status, mobile water layer is arranged in the testing stand, its temperature contrast is between 8-15 ℃.In the prior art, Wang Junxiongs etc. are at " principle of ocean thermal energy drive system and structure " (North China Electric Power University's journal, 2007, the first phase) in the simulator stand that proposes in the literary composition, flow of hot water adopts the electric heater heating, the method that cold water stream forces cooling by cooling tower, the not only a large amount of consume electric power of this device, and cooling tower occupies than large space, also needs long connecting line, and the vapours that cooling tower is emitted has also caused the thermal pollution of environment.
Summary of the invention
In order to overcome the deficiencies in the prior art and defective, simulator stand of the present invention has been introduced heat pump double water circulation system, cooling and heating function that cold and hot current are possessed simultaneously by heat pump itself, easily with the current heat exchange, make it to meet the requirements of temperature, the purpose of energy-conservation to realize, convenient, no thermal pollution operation, the Temperature Distribution and the mobility status of real simulation Ocean Thermocline, conserve water resource and electric energy in a large number under artificial control.
The present invention is achieved by the following technical solutions, the present invention includes: tank, compressor, condenser, the temperature control expansion valve, evaporimeter, temperature-sensitive element, back water pump, the A flowmeter, cold water storage cistern, water supply pump, A stop valve, water compensating valve, frequency-variable controller, control module, the B flowmeter, heat-exchanger pump, B stop valve, the electric thermo-couple temperature nixie display, A thermometer, B thermometer.
Tank is to open wide and water-filled cuboid above one, and the two ends of tank begin to be divided into six fens along short transverse respectively from horizontal plane, separate with dividing plate separately, so that make current form flow regime stably.The right-hand member of tank is a water inlet, and the left end of tank is a delivery port.The top of tank is used for by the flowing of hot water layer, and the bottom is used for by the flowing of cold water layer, about two endplates, six intervals of separating, three intervals, top, two ends, the left and right sides all are used for the circulation of hot water, three intervals, bottom, two ends, the left and right sides all are used for the circulation of cold water.The A thermocouple is installed in the tank at middle part, cooling water inlet place, water inlet bottom, the B thermocouple is installed in the tank at middle part, hot water inlet place, water inlet top, measure water inlet neighbouring cold water and hot water temperature respectively, and the signal of measuring is fed to control module, 8 electric thermo-couple temperature nixie displaies are evenly arranged in the central authorities of tank by short transverse, with each layer variation of temperature in the timely demonstration tank.
Compressor, condenser, the temperature control expansion valve is connected by copper pipe with evaporimeter, forms heat pump circuit.On the copper pipe in the exit of evaporimeter, fixing the temperature-sensitive element that is connected with the temperature control expansion valve, so that regulate the aperture of control expansion valve according to the refrigerant temperature of evaporator outlet.The condenser in this loop is exactly the heater of flow of hot water, and evaporimeter is exactly the cooler of cold water stream.
By three hot water that flow out at interval in tank left end top, enter condenser by the road, the heat that the absorption refrigeration agent discharges, condenser is flowed out in the heating back, through the pipeline B flowmeter of flowing through, aspirated by heat-exchanger pump again, through the B stop valve again through three intervals of tank right-hand member top water inlet, pass back into tank, as thermocline layer hot water layer's simulation.
By three cold water that flow out at interval in tank left end bottom, enter evaporimeter by the back water pump suction by the road, behind the cold that absorption refrigeration agent is therein emitted, flow through the A flowmeter by the road, enter cold water storage cistern again and store.The top of cold water storage cistern is connected to water compensating valve by pipeline, connects with running water pipe, so that at any time to the whole system amount of makeup water.The current that cold water storage cistern flows out through the water supply pump suction, enter three intervals of tank right-hand member bottom again through the A stop valve, pass back into tank, to form complete chilled water circuit, as the simulation of thermocline layer cold water layer.
Back water pump, water supply pump and heat-exchanger pump are all by frequency-variable controller control flow.The work of frequency-variable controller is controlled by the output signal of control module; The output of A thermocouple, B thermocouple, A flowmeter, B flowmeter all links to each other with the input of control module, so that temperature and flow signal to be provided.Control module is controlled the working flow of water pump according to this according to artificial hot water or cold water's temperature and the flow velocity demand that is provided with.
Hot water or cold water's flow velocity in this tank is controlled between 0.1m/s-0.6m/s, and the temperature of cold water and hot water is controlled at and selects utilization between 8 ℃-15 ℃.
Beneficial effect of the present invention: the present invention makes the required cold and hot current of ocean thermocline emulation test platform, the cooling and the heating function that possess simultaneously by heat pump itself, with power save mode and current heat exchange, make it to meet the requirements of temperature, can realize the purpose of energy-conservation, convenient, no thermal pollution operation.This invention can be under artificial control the Temperature Distribution and the mobility status of real simulation Ocean Thermocline, and a large amount of conserve water resource and electric energy have tangible economic benefit and scientific value.
Description of drawings
Fig. 1 is the structure principle chart of system of the present invention.
Among the figure: 1, tank, 2, compressor, 3, evaporimeter, 4, the temperature control expansion valve, 5, condenser, 6, temperature-sensitive element, 7, back water pump, 8, the A flowmeter, 9, cold water storage cistern, 10, water supply pump, 11, the A stop valve, 12, water compensating valve, 13, frequency-variable controller, 14, control module, 15, B flowmeter, 16, heat-exchanger pump, 17, the B stop valve, 18, electric thermo-couple temperature nixie display, 19, the A thermocouple, 20, the B thermocouple
Specific embodiments
Below in conjunction with accompanying drawing concrete enforcement of the present invention is described further.
As shown in Figure 1, the present invention includes: tank 1, compressor 2, evaporimeter 3, temperature control expansion valve 4, condenser 5, temperature-sensitive element 6, back water pump 7, A flowmeter 8, cold water storage cistern 9, water supply pump 10, A stop valve 11, water compensating valve 12, frequency-variable controller 13, control module 14, B flowmeter 15, heat-exchanger pump 16, B stop valve 17, electric thermo-couple temperature nixie display 18, A thermocouple 19, B thermocouple 20.
Three compartments of tank 1 left end bottom are linked to be one group, are connected with the import of back water pump 7 by a pipeline.The outlet of back water pump 7 is connected with the shell side import of evaporimeter 3, and the outlet of evaporimeter 3 shell sides is connected with the import of cold water storage cistern 9.The outlet of cold water storage cistern 9 is connected with the import of water supply pump 10, and the outlet of water supply pump 10 is connected by three compartment pipes of A stop valve 11 and tank 1 right-hand member bottom.The water supplement port of cold water storage cistern 9 is connected with running water pipe by water compensating valve 12.A flowmeter 8 is installed on the pipeline that evaporimeter 3 shell sides export with cold water storage cistern 9 imports are connected.
Three compartments on tank 1 left end top are connected by the import of pipeline with condenser 5 shell sides; The outlet of condenser 5 shell sides is connected with the import of heat-exchanger pump 16, and the outlet of heat-exchanger pump 16 is connected with three compartment pipes on tank 1 right-hand member top by B stop valve 17.B flowmeter 15 is installed on the pipeline that condenser 5 shell sides export with heat-exchanger pump 16 imports are connected.
The outlet of compressor 2 is connected with the tube side import of condenser 5.The tube side outlet of condenser 5 is connected by the import of temperature control expansion valve 4 with evaporimeter 3 tube sides, and the outlet of evaporimeter 3 tube sides is connected with the import of compressor 2, and the temperature-sensitive element 6 that is connected with temperature control expansion valve 4 is bundled on the outer wall of evaporimeter 3 tube side outlets.
The output of A flowmeter 8, B flowmeter 15, all the input with control module 14 is electrically connected.The output of control module 14 is electrically connected with the input of frequency-variable controller 13, and the output of frequency-variable controller 13 is electrically connected with the control end of back water pump 7, water supply pump 10, heat-exchanger pump 16.
The cold-producing medium that the heat pump circuit of forming compressor 2, condenser 5, temperature control expansion valve 4 and evaporimeter 3 adopts is R-22.
During testing stand work, by three hot water that flow out at interval in tank 1 left end top, enter condenser 5 by the road, the heat that the absorption refrigeration agent discharges, condenser 5 is flowed out in the heating back, through the pipeline B flowmeter 15 of flowing through, aspirated by heat-exchanger pump 16 again, through three intervals of B stop valve 17, pass back into tank 1, as thermocline layer hot water layer's simulation through tank 1 right-hand member top water inlet.By three cold water that flow out at interval in tank 1 left end bottom, enter evaporimeter 3 by back water pump 7 suctions by the road, behind the cold that absorption refrigeration agent is therein emitted, flow through A flowmeter 8 by the road, enter cold water storage cistern 9 again and store.The top of cold water storage cistern 9 is connected to water compensating valve 12 by pipeline, connect with running water pipe so that at any time to the whole system amount of makeup water to keep certain water level in the tank.The current that cold water storage cistern 9 flows out through water supply pump 10 suctions, enter three intervals of tank 1 right-hand member bottom again through A stop valve 11, pass back into tank 1, to form complete chilled water circuit, as the simulation of thermocline layer cold water layer.
Hot water or cold water's flow velocity in this tank 1 is controlled between 0.1m/s-0.6m/s, and the temperature of cold water and hot water is controlled at and selects utilization between 8 ℃-15 ℃.
Claims (3)
1, a kind of heat pump double water circulation system of ocean thermocline emulation test platform, comprise: tank (1), compressor (2), evaporimeter (3), temperature control expansion valve (4), condenser (5), temperature-sensitive element (6), back water pump (7), A flowmeter (8), cold water storage cistern (9), water supply pump (10), A stop valve (11), water compensating valve (12), frequency-variable controller (13), control module (14), B flowmeter (15), heat-exchanger pump (16), B stop valve (17), electric thermo-couple temperature nixie display (18), A thermocouple (19), B thermocouple (20), it is characterized in that: tank (1) is to open wide and water-filled cuboid above one, and the two ends of tank (1) begin to be divided into six fens along short transverse respectively from horizontal plane, separate with dividing plate separately, the right-hand member of tank (1) is a water inlet, the left end of tank (1) is a delivery port, and three intervals, tank (1) top, two ends all are used for the circulation of hot water, and three intervals, bottom all are used for the circulation of cold water; A thermocouple (19) is installed in the tank (1) at middle part, cooling water inlet place, and B thermocouple (20) is installed in the tank (1) at middle part, hot water inlet place, and 8 electric thermo-couple temperature nixie displaies (18) are evenly arranged in the central authorities of tank (1) by short transverse; Three compartments of tank (1) left end bottom are linked to be one group, be connected by the import of pipeline with back water pump (7), the outlet of back water pump (7) is connected with the shell side import of evaporimeter (3), the outlet of evaporimeter (3) shell side is connected with the import of cold water storage cistern (9), the outlet of cold water storage cistern (9) is connected with the import of water supply pump (10), the outlet of water supply pump (10) is connected by three compartment pipes of A stop valve (11) and tank (1) right-hand member bottom, and the water supplement port of cold water storage cistern (9) is connected with running water pipe by water compensating valve (12); A flowmeter (8) is installed on the pipeline that evaporimeter (3) shell side exports with cold water storage cistern (9) import is connected; Three compartments on tank (1) left end top are connected by the import of pipeline with condenser (5) shell side; The outlet of condenser (5) shell side is connected with the import of heat-exchanger pump (16), the outlet of heat-exchanger pump (16) is connected with three compartment pipes on tank (1) right-hand member top by B stop valve (17), and B flowmeter (15) is installed on the pipeline that condenser (5) shell side exports with heat-exchanger pump (16) import is connected; The outlet of compressor (2) is connected with the tube side import of condenser (5), the tube side outlet of condenser (5) is connected by the import of temperature control expansion valve (4) with evaporimeter (3) tube side, the outlet of evaporimeter (3) tube side is connected with the import of compressor (2), and the temperature-sensitive element (6) that is connected with temperature control expansion valve (4) is bundled on the outer wall of evaporimeter (3) tube side outlet; The output of A flowmeter (8), B flowmeter (15), all the input with control module (14) is electrically connected, the output of control module (14) is electrically connected with the input of frequency-variable controller (13), and the output of frequency-variable controller (13) is electrically connected with the control end of back water pump (7), water supply pump (10), heat-exchanger pump (16).
2, the heat pump double water circulation system of a kind of ocean thermocline emulation test platform according to claim 1, it is characterized in that described compressor (2), condenser (5), the cold-producing medium that temperature control expansion valve (4) and evaporimeter (3) are formed the heat pump circuit employing is R-22.
3, the heat pump double water circulation system of a kind of ocean thermocline emulation test platform according to claim 1, it is characterized in that the hot water or cold water's flow velocity in the described tank (1) is controlled between 0.1m/s-0.6m/s, the temperature of cold water and hot water is controlled between 8 ℃-15 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100479355A CN100494825C (en) | 2007-11-08 | 2007-11-08 | Heat pump double water circulation system for ocean thermocline emulation test platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100479355A CN100494825C (en) | 2007-11-08 | 2007-11-08 | Heat pump double water circulation system for ocean thermocline emulation test platform |
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| CN101149194A CN101149194A (en) | 2008-03-26 |
| CN100494825C true CN100494825C (en) | 2009-06-03 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102706561B (en) * | 2012-05-30 | 2015-08-05 | 长城汽车股份有限公司 | The test unit of checking engine radiator cold cycling performance |
| CN103574989B (en) * | 2013-10-25 | 2015-09-23 | 中仪睿科（天津）教学实验设备有限公司 | Novel multifunctional heat pump, water heater experimental bench and experimental technique thereof |
| CN103630327B (en) * | 2013-11-12 | 2015-10-28 | 西安交通大学 | For the device that supercritical water fluid bed diphasic flow and heat transfer characteristic are tested |
| CN104390762A (en) * | 2014-11-24 | 2015-03-04 | 哈尔滨工业大学 | Experimental device for fine mechanical flow field measurement for fluid |
| CN104792811A (en) * | 2015-05-21 | 2015-07-22 | 国家海洋技术中心 | Ocean thermocline and halocline simulation device |
| CN105717038A (en) * | 2016-03-29 | 2016-06-29 | 广东海洋大学 | Ocean thermocline simulation equipment |
| CN108279111A (en) * | 2018-01-23 | 2018-07-13 | 中国海洋大学 | The experimental simulation equipment and control method of the seabed oil spilling behavior of thermocline layer |
| CN111307484B (en) * | 2020-03-04 | 2020-09-04 | 中国水利水电科学研究院 | Method for testing thermal performance of double-process air-cooled radiator |
| CN113340931A (en) * | 2021-06-11 | 2021-09-03 | 浙江省海洋水产研究所 | Ocean thermocline simulation test device and fry simulation test method |
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