CN100470166C - Energy conserving heat exchanging device utilizing refrigerant - Google Patents

Energy conserving heat exchanging device utilizing refrigerant Download PDF

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Publication number
CN100470166C
CN100470166C CNB2007100909014A CN200710090901A CN100470166C CN 100470166 C CN100470166 C CN 100470166C CN B2007100909014 A CNB2007100909014 A CN B2007100909014A CN 200710090901 A CN200710090901 A CN 200710090901A CN 100470166 C CN100470166 C CN 100470166C
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pipeline
refrigerant
cold
heat exchanger
hot
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CN101021368A (en
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李德寿
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

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Abstract

An energy saving heat-exchanging system includes a refrigerant compressor, a heat making heat interchanger, a four-way valve, a cold-hot heat interchanger, two expanding valves, two electromagnetic valves, an ice-water machine and pipelines to connect above modules. The electromagnetic valve composed the pipeline strobe controls the coolant flow continuously or not flowing, and controls the flow direction with the four-way valve. So the device also has the function of excess heat recovery, refrigeration, heat making, wet removal and central air conditioning.

Description

A kind of energy conserving heat exchanging device that uses refrigerant
Technical field
The present invention relates to a kind of energy conserving heat exchanging device, relate in particular to and have Waste Heat Recovery, cold-room concurrently and provide greenhouse simultaneously and the multifunction energy-saving heat-exchange device of central air-conditioning cold air.
Background technology
As shown in Figure 1, known combined type heat-exchange device 10 is a kind of heat-exchange devices that comprise refrigeration system and central air-conditioning cold gas system, has the function of Waste Heat Recovery usefulness, refrigeration and central air-conditioning cold air.Wherein, refrigeration system constitutes the refrigerant loop with pipeline P1, P2 and P4, connects a cold medium compressor 30, and heats heat exchanger 40, a cooler 45, a magnetic valve S1, an expansion valve E1, an evaporimeter 53 and a non-return valve V1.The central air-conditioning cold gas system constitutes the refrigerant loop with pipeline P1, P3 and P4, connects described cold medium compressor 30, described heat exchanger 40, described cooler 45, a magnetic valve S2, an expansion valve E2, a freezing water apparatus 80 and the non-return valve V2 of heating.
The drive manner of refrigeration is to make refrigerant at pipeline P1 by control magnetic valve S1 and magnetic valve S2, flow among P2 and the P4, refrigerant is compressed into the gas coolant of high pressure-temperature by cold medium compressor 30, be sent to then and heat heat exchanger 40 and carry out Waste Heat Recovery, being sent to cooler 45 again cooperates cooling tower 73 to cool off refrigerant, after making refrigerant by high pressure-temperature heat release cooling, become the liquid refrigerants of high pressure low temperature, reduce pressure into the gaseous coolant of low-pressure low-temperature again through expansion valve E1 place, flow to evaporimeter 53 again, be back to cold medium compressor 30 recirculation through pipeline P4 then and use.
At evaporimeter 53 places, room air temperature after low temperature refrigerant heat absorption obviously reduces, and blows to the interior space by air blast 51 and just causes cool house effect.
The drive manner of central air-conditioning cold air is to make refrigerant at pipeline P1 by control magnetic valve S1 and magnetic valve S2, flow among P3 and the P4, refrigerant is compressed into the gas coolant of high pressure-temperature by cold medium compressor 30, be sent to then and heat heat exchanger 40 and carry out Waste Heat Recovery, being sent to cooler 45 again cooperates cooling tower 73 to cool off refrigerant, after making refrigerant by high pressure-temperature heat release cooling, become the liquid refrigerants of high pressure low temperature, reduce pressure into the gaseous coolant of low-pressure low-temperature again through expansion valve E2 place, flow to freezing water apparatus 80 again, be back to cold medium compressor 30 recirculation through pipeline P4 then and use.
Be connected to a frozen water inlet pipeline 81 and a frozen water outlet pipeline 82 on the freezing water apparatus 80.The employed frozen water of central air conditioner system, via frozen water inlet pipeline 81 by pumping M be drawn in the freezing water apparatus 80 carry out heat exchange and become the frozen water of low temperature more with refrigerant after, carry out heat exchange with air in the air-conditioning box 83 by frozen water outlet pipeline 82 inflow central air conditioner systems again, cold air after the frozen water heat absorption, send cold air to indoor by the pressure fan 84 of air-conditioning box 83, use and draw back the 80 interior recirculation of inflow freezing water apparatus again by pumping M through the high temperature frozen water of air-conditioning box 83 heat exchanges.
Freezing or providing in the process of central air-conditioning cold air, can use a hot-water supply device 70 to reclaim by heating the waste heat water that heat exchanger 40 is emitted.Heat and be connected to a cold water inlet road 71 and hot water effluent's pipeline 72 on the heat exchanger 40, the low temperature make-up water of hot-water supply device 70, through cold water inlet road 71 is drawn into the refrigerant that heats in the heat exchanger 40 with high pressure-temperature and carries out heat exchange and become hot water by pumping M after, deliver to by hot water effluent's pipeline 72 again and store in the hot water water butt 74 and for on-the-spot use.
But, above-described known combined type heat-exchange device 10 can only provide refrigerating function or central air-conditioning cold air function separately, but does not possess heat-production functions or the same time provides the function that heats and freeze.
Summary of the invention
For this reason. main purpose of the present invention is promptly providing a kind of energy conserving heat exchanging device, has Waste Heat Recovery function, cold-room function concurrently, reaches the function that greenhouse and central air-conditioning cold air are provided simultaneously.
First embodiment of energy conserving heat exchanging device of the present invention, comprise that a cold medium compressor, heats the pipeline of heat exchanger, a cross valve, a cold, hot two-purpose heat exchanger, two expansion valves, two magnetic valves, freezing water apparatus and above each spare part of connection, the magnetic valve that constitutes the pipeline gate by control makes refrigerant continue to flow or stop to flow in different pipelines, the flow direction that cooperates cross valve control refrigerant again makes that energy conserving heat exchanging device of the present invention has that Waste Heat Recovery is used, freezes, heated concurrently, the function of dehumidifying and central air-conditioning cold air.
Second embodiment of energy conserving heat exchanging device of the present invention, comprise that a cold medium compressor, heats the pipeline of heat exchanger, a cold, hot two-purpose heat exchanger, two expansion valves, four magnetic valves, freezing water apparatus and above each spare part of connection, the magnetic valve that constitutes the pipeline gate by control makes refrigerant continue to flow or stop to flow in different pipelines, makes that energy conserving heat exchanging device of the present invention has that Waste Heat Recovery is used, freezes, heated concurrently, the function of dehumidifying and central air-conditioning cold air.
Description of drawings
Fig. 1 is the schematic diagram of known combined type heat-exchange device.
Fig. 2 is the first embodiment schematic diagram of energy conserving heat exchanging device shown in the present, has Waste Heat Recovery function, cold-room function, and provides greenhouse and central air-conditioning cold air function simultaneously.
Fig. 3 is an energy conserving heat exchanging device shown in Figure 2 refrigerant operating condition key diagram when carrying out the cold-room function.
Fig. 4 carries out refrigerant operating condition key diagram when greenhouse and central air-conditioning cold air function are provided simultaneously for energy conserving heat exchanging device shown in Figure 2.
Fig. 5 is the second embodiment schematic diagram of energy conserving heat exchanging device shown in the present, has Waste Heat Recovery function, cold-room function, and provides greenhouse and central air-conditioning cold air function simultaneously.
Fig. 6 is an energy conserving heat exchanging device shown in Figure 5 refrigerant operating condition key diagram when carrying out the cold-room function
Fig. 7 carries out refrigerant operating condition key diagram when greenhouse and central air-conditioning cold air function are provided simultaneously for energy conserving heat exchanging device shown in Figure 5.
Reference numeral
10...... combined type heat-exchange device 20...... energy conserving heat exchanging device
30...... cold medium compressor 40...... heats heat exchanger
45...... cooler 50...... cold, hot two-purpose heat exchanger
51...... air blast 53...... evaporimeter
A 55...... difference 60...... cross valve
70...... hot-water supply device 71...... cold water inlet road
72...... hot water effluent's pipeline 74...... hot water water butt
80...... freezing water apparatus 81...... frozen water inlet pipeline
82...... frozen water outlet pipeline 83...... air-conditioning box
84...... pressure fan E1, E2...... expansion valve
S1, S2, S3, S4...... magnetic valve V1, V2...... non-return valve
P1-P10...... pipeline L1...... liquid-gas separator
M...... pumping
The specific embodiment
(the 1st embodiment)
As shown in Figure 2, energy conserving heat exchanging device of the present invention 20 has Waste Heat Recovery function, cold-room function, and provides the function of greenhouse and central air-conditioning cold air simultaneously, comprises that a cold medium compressor 30, heats heat exchanger 40, a cold, hot two- purpose heat exchanger 50,60, two expansion valve E1 of a cross valve (four wayvalve) and E2, three magnetic valve S1, S2 and S3, freezing water apparatus 80 and connects the pipeline P1-P8 of above each spare part.
Wherein, cold medium compressor 30 is that refrigerant is derived pipeline with pipeline P1, is that refrigerant imports pipeline with the pipeline P3 that is provided with liquid-gas separator L1.Cold medium compressor 30 is connected with pipeline P1 with heating between the heat exchanger 40, heating heat exchanger 40 is that refrigerant is derived pipeline with pipeline P2 in addition, so, 30 actings are compressed into the gas coolant of high pressure-temperature through cold medium compressor, can be sent to via pipeline P1 and heat heat exchanger 40 and carry out flowing out by the pipeline P2 that heats heat exchanger 40 again after heat discharges and be cooled to the liquid coolant of high pressure low temperature.
Cross valve 60 is the reversal valves with 4 ports, can be applicable to control and change the flow direction of refrigerant.The first port A of cross valve 60 is the refrigerant flow channel that normality is used, and offers the refrigerant that heats heat exchanger 40 and derives pipeline P2 connection.The four-way mouth D of cross valve 60 is the refrigerant flow pass that normality is used, and the refrigerant that offers cold medium compressor 30 imports pipeline P3 and connects.Second port B of cross valve 60 and third connectivity mouth C are used to change the passage that refrigerant flows to, and can become the refrigerant flow channel or become the refrigerant flow pass, and offer pipeline P4 connection and pipeline P8 connection respectively.
Cold, hot two-purpose heat exchanger 50 possesses the function of condenser and evaporimeter, can make refrigerant generation thermolysis or heat-absorbing action.When producing condensation and carry out heat during through cold, hot two-purpose heat exchanger 50, the liquid refrigerants of the gaseous coolant of high pressure-temperature or high pressure low temperature discharges, when the generation evaporation and absorb heat during through cold, hot two-purpose heat exchanger 50 of the gaseous coolant of low-pressure low-temperature.
Freezing water apparatus 80 possesses the refrigerant of making generation heat-absorbing action.When the gaseous coolant of low-pressure low-temperature passes through freezing water apparatus 80, produce evaporation and absorb heat.
The in addition end of pipeline P4 uses three-way pipe be connected in parallel pipeline P5 and pipeline P6, and wherein, pipeline P6 is that the refrigerant of freezing water apparatus 80 is derived pipeline, and pipeline P6 is provided with a non-return valve V2, the control refrigerant can only folk prescription in pipeline P6 to flowing.
Cold, hot two-purpose heat exchanger 50 is connected with cross valve 60 by pipeline P8, and re-uses a difference 55 be connected in parallel pipeline P5 and pipeline P7.
Pipeline P5 is that the refrigerant of cold, hot two-purpose heat exchanger 50 imports pipeline, and pipeline P5 is provided with a magnetic valve S1 and an expansion valve E1.Magnetic valve S1 is the gate of pipeline P5, can control refrigerant and continue to flow or stop to flow in pipeline P5.The effect of expansion valve E1 is the liquid refrigerants that the liquid refrigerants step-down of high pressure low temperature is become low-pressure low-temperature, and the purpose of step-down is that the liquid refrigerants that makes low-pressure low-temperature produces evaporation and absorbs heat heat during through cold, hot two-purpose heat exchanger 50.
Pipeline P7 is that the refrigerant of cold, hot two-purpose heat exchanger 50 is derived pipeline, also be that the refrigerant of freezing water apparatus 80 imports pipeline, and pipeline P7 is provided with a magnetic valve S2 and an expansion valve E2.Magnetic valve S2 is the gate of pipeline P7, can control refrigerant and continue to flow or stop to flow in pipeline P7.The effect of expansion valve E2 is the liquid refrigerants that the liquid refrigerants step-down of high pressure low temperature is become low-pressure low-temperature, and the purpose of step-down is that the liquid refrigerants that makes low-pressure low-temperature produces evaporation and absorbs heat heat during through freezing water apparatus 80.
(cold-room function)
As shown in Figure 3, energy conserving heat exchanging device 20 of the present invention has the function that cold-room is provided.When using magnetic valve S1 control refrigerant in pipeline P5, can continue to flow, simultaneously, when using magnetic valve S2 control refrigerant to stop to flow in pipeline P7, the cross valve 60 conversions second port B is the refrigerant flow pass, and conversion third connectivity mouth C is the refrigerant flow channel.
The drive manner of refrigerant is the gas coolant that refrigerant is compressed into high pressure-temperature by cold medium compressor 30, be sent to then heat heat exchanger 40 carry out Waste Heat Recovery and the cooling refrigerant, make refrigerant become the liquid refrigerants of high pressure low temperature, pass through cross valve 60 and pipeline P4 again and flow into pipeline P5, reduce pressure into the gaseous coolant of low-pressure low-temperature through the expansion valve E1 place of pipeline P5, flow to cold, hot two-purpose heat exchanger 50 again and absorb heat, be back to cold medium compressor 30 recirculation through pipeline P3 then and use.
The place that produces cold-room is the interior space of placing cold, hot two-purpose heat exchanger 50.Refrigerant is when cold, hot two-purpose heat exchanger 50 absorbs heat, the gaseous coolant of low-pressure low-temperature is because the temperature in the absorption chamber becomes the refrigerant of low-voltage high-temperature, and the indoor air temperature after low temperature refrigerant heat absorption obviously reduces, and blows to the interior space by air blast 51 and just causes cool house effect.
(greenhouse and central air-conditioning cold air function)
As shown in Figure 4, energy conserving heat exchanging device 20 of the present invention has the function that greenhouse and central air-conditioning cold air are provided simultaneously.When using magnetic valve S2 control refrigerant in pipeline P7, can continue to flow, simultaneously, when using magnetic valve S1 control refrigerant to stop to flow in pipeline P5, the cross valve 60 conversions second port B is the refrigerant flow channel, and conversion third connectivity mouth C is the refrigerant flow pass.
The drive manner of refrigerant is by cold medium compressor 30 refrigerant to be compressed into the gas coolant of high pressure-temperature, is sent to then to heat heat exchanger 40 and carry out Waste Heat Recovery and cooling refrigerant, makes refrigerant become the liquid refrigerants of high pressure low temperature.And, the liquid refrigerants of the high pressure low temperature that is flowed out by pipeline P2 is sent to cold, hot two-purpose heat exchanger 50 through cross valve 60 and pipeline P8 again and carries out the Waste Heat Recovery second time, after making refrigerant continue to become the high-pressure liquid refrigerant of low temperature more, reduce pressure into the gaseous coolant of low-pressure low-temperature again through the expansion valve E2 place of pipeline P7, enter in the freezing water apparatus 80 gaseous coolant that carries out heat-absorbing action with frozen water and become low-voltage high-temperature, flow out by pipeline P6 then.
After the gaseous coolant of the low-voltage high-temperature of process freezing water apparatus 80 heat exchanges is flowed out by pipeline P6, be back to cold medium compressor 30 recirculation through pipeline P4, cross valve 60 and pipeline P3 again and use.
The place that produces greenhouse is the interior space of placing cold, hot two-purpose heat exchanger 50.Refrigerant is when cold, hot two-purpose heat exchanger 50 heats, and room air is because absorbing the heat temperature that is emitted by cold, hot two-purpose heat exchanger 50 raises, and blows to the interior space by air blast 51 and just causes dehumidifying or greenhouse effect.
And, be connected to a frozen water inlet pipeline 81 and a frozen water outlet pipeline 82 on the freezing water apparatus 80.The employed frozen water of central air conditioner system, via frozen water inlet pipeline 81 by pumping M be drawn in the freezing water apparatus 80 carry out heat exchange and become the frozen water of low temperature more with refrigerant after, carry out heat exchange with air in the air-conditioning box 83 by frozen water outlet pipeline 82 inflow central air conditioner systems again, cold air after the frozen water heat absorption, send central air-conditioning cold air to indoor by the pressure fan 84 of air-conditioning box 83, use and draw back the 80 interior recirculation of inflow freezing water apparatus again by pumping M through the high temperature frozen water of air-conditioning box 83 heat exchanges.
(function of energy reclaiming)
As shown in Figures 3 and 4, energy conserving heat exchanging device 20 of the present invention has the Waste Heat Recovery function.The cold-room function is provided or greenhouse is provided simultaneously and the process of central air-conditioning cold air in, energy conserving heat exchanging device 20 of the present invention can use a hot-water supply device 70 to reclaim the energy and hot water is provided.For reclaiming by heating the used heat that heat exchanger 40 is emitted, heat and be connected to a cold water inlet road 71 and hot water effluent's pipeline 72 on the heat exchanger 40, the low temperature make-up water of hot-water supply device 70, after being drawn into the refrigerants that heat in the heat exchanger 40 with high pressure-temperature and carrying out heat exchange and become hot water by pumping M via cold water inlet road 71, deliver to by hot water effluent's pipeline 72 again and store in the hot water water butt 74 and for on-the-spot use.
Below, in order to omit repeat specification, when the employed spare part of all the 2nd embodiment is identical with the 1st embodiment, will follow and continue to use the employed element numbers of the 1st embodiment, and invest identical definition and identical function.Therefore, the employed spare part of all the 2nd embodiment can reference and when quoting foregoing content, will repeat no more in the following description.
(the 2nd embodiment)
As shown in Figure 5, the energy conserving heat exchanging device shown in the present embodiment 20 has Waste Heat Recovery function, cold-room function equally, reaches the function that greenhouse and central air-conditioning cold air are provided simultaneously.
The difference of the 2nd embodiment of the present invention and the 1st embodiment is that the 2nd embodiment does not use the cross valve 60 of the 1st embodiment.The 2nd embodiment is except comprising the employed cold medium compressor 30 of the 1st embodiment, heating heat exchanger 40, cold, hot two-purpose heat exchanger 50, expansion valve E1 and E2, magnetic valve S1 and S2, outside the pipeline P1-P8 of freezing water apparatus 80 and above each spare part of connection, also increase and use two magnetic valve S3 and S4 and pipeline P9 and P10.So the 2nd embodiment has four magnetic valve S1, S2, S3 and S4, and the pipeline P1-P10 of each spare part of connection.
Wherein, the pipeline P2 that heats heat exchanger 40 be connected in parallel pipeline P4 and pipeline P9 are again with pipeline P4 connecting line P5; The pipeline P8 of cold, hot two-purpose heat exchanger 50 be connected in parallel pipeline P9 and pipeline P10 are again with pipeline P10 connecting line P3; And, the pipeline P6 of freezing water apparatus 80 be connected in parallel pipeline P3 and pipeline P10.
Pipeline P9 is provided with described magnetic valve S3, so magnetic valve S3 is the gate of pipeline P9, can controls refrigerant and continue to flow or stop to flow in pipeline P9.Pipeline P10 is provided with described magnetic valve S4, so magnetic valve S4 is the gate of pipeline P10, can controls refrigerant and continue to flow or stop to flow in pipeline P10.
(cold-room function)
As shown in Figure 6, when second embodiment of energy conserving heat exchanging device 20 of the present invention provides the cold-room function, use magnetic valve S1 and S4 control refrigerant in pipeline P5 and P10, can continue to flow, simultaneously, use magnetic valve S2 and S3 control refrigerant in pipeline P7 and P9, to stop to flow, add the non-return valve V2 control refrigerant that utilizes pipeline P6 can only folk prescription in pipeline P6 to flowing.
The running loop of refrigerant is through cold medium compressor 30, heats heat exchanger 40, expansion valve E1 and cold, hot two-purpose heat exchanger 50, is back to cold medium compressor 30 recirculation through pipeline P3 then and uses.
The place that produces cold-room is the interior space of placing cold, hot two-purpose heat exchanger 50, and the indoor air temperature after the heat absorption of low temperature refrigerant obviously reduces, and blows to the interior space by air blast 51 and just causes cool house effect.
(greenhouse and central air-conditioning cold air function)
As shown in Figure 7, when second embodiment of energy conserving heat exchanging device 20 of the present invention provides greenhouse and central air-conditioning cold air function simultaneously, use magnetic valve S2 and S3 control refrigerant in pipeline P7 and P9, can continue to flow, simultaneously, use magnetic valve S1 and S4 control refrigerant in pipeline P5 and P10, to stop to flow, add the non-return valve V2 control refrigerant that utilizes pipeline P6 can only folk prescription in pipeline P6 to mobile P10.
The running loop of refrigerant is through cold medium compressor 30, heats heat exchanger 40, pipeline P9 and P8, cold, hot two-purpose heat exchanger 50, expansion valve E2 and freezing water apparatus 80, is back to cold medium compressor 30 recirculation uses through pipeline P6 and P3 then.
The place that produces greenhouse is the interior space of placing cold, hot two-purpose heat exchanger 50, and room air is because absorbing the heat temperature that is emitted by cold, hot two-purpose heat exchanger 50 raises, and blows to the interior space by air blast 51 and just causes dehumidifying or greenhouse effect.
The place that produces central air-conditioning cold air is the central air conditioner system of placing freezing water apparatus 80 and air-conditioning box 83, and the cold air after the frozen water heat absorption is sent central air-conditioning cold air to indoor by the pressure fan 84 of air-conditioning box 83.
The above content that discloses, be the preferable specific embodiment of the present invention, all and of the present invention goals of the invention and the effect that can reach, constitute so-called equivalence or equalization, and belong to for those skilled in the art can unlabored simple and easy modification, modification, improvement or variation, should not break away from the patent right scope that the present invention advocates.

Claims (4)

1, a kind of energy conserving heat exchanging device, comprise that a cold medium compressor, heats heat exchanger, a cross valve, a cold, hot two-purpose heat exchanger, two expansion valves (E1, E2), three magnetic valves (S1, S2, S3), a freezing water apparatus and several connect the pipeline (P1-P8) of each assembly with the transmission refrigerant, it is characterized in that
This cold medium compressor is derived pipeline (P1) with refrigerant and is connected this and heat heat exchanger;
This cross valve is the reversal valve with 4 ports, and the refrigerant derivation pipeline (P2) that first port (A) and this of this cross valve heats heat exchanger is connected; The four-way mouth (D) of this cross valve imports pipeline (P3) with the refrigerant of this compressor and is connected; Second port (B) of this cross valve and third connectivity mouth (C) are used to change the flow direction of refrigerant, wherein, second port (B) of this cross valve is derived pipeline (P6) with a pipeline (P4) refrigerant that the refrigerant of cold, hot two-purpose heat exchanger imports pipeline (P5) and freezing water apparatus that is connected in parallel;
The function of this cold, hot two-purpose heat exchange utensil condenser and evaporimeter, connect the third connectivity mouth (C) of this cross valve with a pipeline (P8), and refrigerant that the refrigerant of cold, hot two-purpose heat exchanger imports pipeline (P5) and freezing water apparatus imports pipeline (P7) to use a difference head to be connected in parallel;
The refrigerant of this cold, hot two-purpose heat exchanger imports pipeline (P5) and is provided with one first magnetic valve (S1) and one first expansion valve (E1), wherein, in the refrigerant importing pipeline (P5) of this cold, hot two-purpose heat exchanger, continue to flow or stop to flow by this first magnetic valve (S1) control refrigerant, and make the refrigerant step-down by this first expansion valve (E1);
The refrigerant of this freezing water apparatus imports pipeline (P7) and is provided with one second magnetic valve (S2) and one second expansion valve (E2), wherein, continues to flow or stop to flow in the refrigerant importing pipeline (P7) of this freezing water apparatus by this second magnetic valve (S2) control refrigerant; And make the refrigerant step-down by this second expansion valve (E2); And
The refrigerant of this freezing water apparatus derive pipeline (P6) be provided with a non-return valve (V1) with the control refrigerant this refrigerant derive in pipeline (P6) can only folk prescription to flowing; This freezing water apparatus also is connected to a frozen water inlet pipeline and a frozen water outlet pipeline, makes frozen water and refrigerant through this freezing water apparatus and carry out heat exchange.
2, energy conserving heat exchanging device as claimed in claim 1 is characterized in that, the described heat exchanger that heats is connected to a cold water inlet road and hot water effluent's pipeline, and making cooling water absorb through this heat that heats the refrigerant of heat exchanger becomes hot water.
3, a kind of energy conserving heat exchanging device, comprise that a cold medium compressor, heats heat exchanger, a cold, hot two-purpose heat exchanger, two expansion valves (E1, E2), four and is used for controlling refrigerant and continues to flow or the magnetic valve (S1, S2, S3, S4) that stops to flow, a freezing water apparatus and several connect the pipeline (P1-P10) of each assembly with the transmission refrigerant at pipeline, it is characterized in that
This cold medium compressor is derived pipeline (P1) with refrigerant and is connected this and heat heat exchanger;
This heats heat exchanger and derives be connected in parallel pipeline (P4) and that a refrigerant that is used to connect the cold, hot two-purpose heat exchanger imports pipeline (P5) of pipeline (P2) with refrigerant and be provided with the pipeline (P9) of one the 3rd magnetic valve (S3), wherein, the pipeline (P9) that is provided with described the 3rd magnetic valve (S3) connects a pipeline (P10) that is provided with one the 4th magnetic valve (S4) again;
The function of cold, hot two-purpose heat exchange utensil condenser and evaporimeter, with a pipeline (P8) be connected in parallel pipeline (P9) that is provided with described the 3rd magnetic valve (S3) and the pipeline (P10) that is provided with described the 4th magnetic valve (S4), and refrigerant that the refrigerant of cold, hot two-purpose heat exchanger imports pipeline (P5) and freezing water apparatus imports pipeline (P7) to use a difference head to be connected in parallel;
This freezing water apparatus is derived the be connected in parallel refrigerant of this cold medium compressor of pipeline (P6) with refrigerant and is imported pipeline (P3) and be provided with the pipeline (P10) of described the 4th magnetic valve (S4), wherein, the refrigerant of this freezing water apparatus derive pipeline (P6) be provided with a non-return valve (V1) with the control refrigerant this refrigerant derive in pipeline (P6) can only folk prescription to flowing; This freezing water apparatus also is connected to a frozen water inlet pipeline and a frozen water outlet pipeline, makes frozen water and refrigerant through this freezing water apparatus and carry out heat exchange;
The refrigerant of this cold, hot two-purpose heat exchanger imports pipeline (P5) and is provided with one first magnetic valve (S1) and one first expansion valve (E1), wherein, in the refrigerant importing pipeline (P5) of this cold, hot two-purpose heat exchanger, continue to flow or stop to flow by this first magnetic valve (S1) control refrigerant, and make the refrigerant step-down by this first expansion valve (E1); And
The refrigerant of this freezing water apparatus imports pipeline (P7) and is provided with one second magnetic valve (S2) and one second expansion valve (E2), wherein, continues to flow or stop to flow in pipeline (P7) by this second magnetic valve (S2) control refrigerant; And make the refrigerant step-down by this second expansion valve (E2).
4, energy conserving heat exchanging device as claimed in claim 3 is characterized in that, the described heat exchanger that heats is connected to a cold water inlet road and hot water effluent's pipeline, and making cooling water absorb through this heat that heats the refrigerant of heat exchanger becomes hot water.
CNB2007100909014A 2007-03-26 2007-03-26 Energy conserving heat exchanging device utilizing refrigerant Expired - Fee Related CN100470166C (en)

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CN103134111A (en) * 2011-12-05 2013-06-05 吴嘉惠 Energy-saving heat exchanging device
FR2989454A1 (en) * 2012-04-16 2013-10-18 Air Liquide COMPRESSION INSTALLATION OF A WET GASEOUS FLOW
CN110329035B (en) * 2019-07-12 2022-11-29 奇瑞汽车股份有限公司 Vehicle and air conditioning system thereof
DE102020201350A1 (en) * 2020-02-04 2021-08-05 Volkswagen Aktiengesellschaft Assembly for a cooling system of a motor vehicle with a heat exchanger, a control valve and an actuating device

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