CN101504225A - Refrigeration heat-reclaiming device and method for preparing high-temperature hot water - Google Patents
Refrigeration heat-reclaiming device and method for preparing high-temperature hot water Download PDFInfo
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- CN101504225A CN101504225A CNA2009100471136A CN200910047113A CN101504225A CN 101504225 A CN101504225 A CN 101504225A CN A2009100471136 A CNA2009100471136 A CN A2009100471136A CN 200910047113 A CN200910047113 A CN 200910047113A CN 101504225 A CN101504225 A CN 101504225A
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Abstract
The invention relates to a refrigeration heat reclamation device capable of producing high-temperature hot water and a heat reclamation method. A compressor, an oil extractor, a first four-way reversing valve, a double pipe heat interchanger, a second four-way reversing valve, a first one-way valve, a liquid barrel, a filter, a solenoid valve, oil sight glasses, a thermostatic expansion valve and an air cooler are sequentially and serially connected into a ring; the water outlet of the double pipe heat interchanger is connected with the circulating water inlet end of a water tank through a water pipe, and the circulating water outlet end of the water tank is sequentially connected with the water inlets of the water pump and the double pipe heat interchanger through water pipes; the water tank is provided with a temperature sensing element; a pipeline is parallelly connected between the first four-way reversing valve and the second four-way reversing valve, wherein the c end of the first four-way reversing valve is sequentially connected with a second one-way valve, a third one-way valve and the f end of the second four-way reversing valve through pipelines; and a pipeline is arranged between the second one-way valve and the third one-way wave and is connected with the liquid barrel through an air condenser and the fourth one-way valve. The refrigeration heat reclamation device realizes heat reclamation while refrigerating, and is simple in structure, reliable in use, and high in heat production speed and production temperature.
Description
Technical field
The present invention relates to freezing unit condensation heat recovery technology field, be specifically related to produce the freezing heat reclamation device and the heat recovery method of high-temperature-hot-water.
Background technology
Common freezing unit is in indoor sweat cooling, and a large amount of condensation heat is directly to airborne release, and the not only not environmental protection of this way is simultaneously not energy-conservation yet.Utilizing the condensation heat of freezing unit to produce this way of hot water is more and more paid attention to and is promoted.Yet the product that on freezing unit, does not also have condensation heat to reclaim at present, and water-cooled condenser in the idle call Teat pump boiler and air-cooled condenser major part are to be connected in parallel, it is to be connected in series that part is also arranged.The air-conditioner heat pump water heater that employing is connected in parallel is subjected to the restriction of condensing pressure, producing the hot water temperature is up to usually and reaches about 55 ℃, must there be the regular hour water temperature to be higher than more than 60 ℃ in some national Specification water heater, to prevent bacteria breed, therefore adopt the air-conditioner heat pump water heater that is connected in parallel to have health concerns.And adopt the air-conditioner heat pump water heater that is connected in series when just beginning to produce hot water, to be used to add hot water owing to condenser heat has only part, so the hot water temperature rise speed is very slow, not as adopting the air-conditioner heat pump water heater that is connected in parallel.Considering to study a kind of Teat pump boiler based on above reason can be used for freezing unit condensation heat in conjunction with above both advantage and reclaim.
Summary of the invention
The present invention proposes a kind of freezing heat reclamation device and heat recovery method of producing high-temperature-hot-water, and its purpose is to overcome existing freezing unit condensation heat and directly arranges to atmosphere, does not have the recuperation of heat utilization; And adopt the air-conditioner heat pump water heater be connected in parallel to exist to heat temperature low, and easily breed bacteria adopts the air-conditioner heat pump water heater that is connected in series, and the hot water temperature rise speed waits drawback slowly.The freezing Teat pump boiler of using that employing double-tube heat exchanger that the present invention proposes and air-cooled condenser can series and parallel switch mutually, thisly freezingly can make full use of the energy with Teat pump boiler, not only can be when beginning to produce hot water Fast Heating hot water, can produce the high-temperature-hot-water more than 65 ℃ simultaneously.
Can produce the freezing heat reclamation device of high-temperature-hot-water, it is characterized in that:
A) compressor is connected in series via oil eliminator, first four-way change-over valve, double-tube heat exchanger, second four-way change-over valve, first check valve, liquid storing barrel, filter, magnetic valve, liquid-sighting glass, heating power expansion valve, air-cooler and compressor successively and forms; Described double-tube heat exchanger water side is connected with water tank circulation water inlet end, and water tank recycles water end (W.E.) and is connected with the water inlet end of double-tube heat exchanger through water pump; Water tank is provided with temperature-sensing element;
B) pipeline in parallel between first four-way change-over valve and second four-way change-over valve: this pipeline is connected with the f end of second check valve, the 3rd check valve and second four-way change-over valve by the road successively by the c end of first four-way change-over valve;
C) described second check valve and the 3rd check valve convection current to; First check valve and the 4th check valve flow to and are liquid storing barrel;
D) pipeline being set between second check valve and the 3rd check valve is connected with liquid storing barrel through air-cooled condenser, the 4th check valve.
The described freezing heat recovery method of producing high-temperature-hot-water is characterized in that:
E) being divided into full recuperation of heat heating procedure, portion of hot recovery heating procedure and not having recuperation of heat according to the water tank temperature difference is full cooling flow;
F) when the water tank water temperature is lower than 50 ℃, adopt full recuperation of heat heating procedure: a of first four-way change-over valve, d end communicates, and b, c end communicates, and the e of second four-way change-over valve, h end communicates, and f, g end communicates; The compressed machine compression of cold-producing medium is after first four-way change-over valve enters double-tube heat exchanger, water in the water tank is delivered to double-tube heat exchanger through water pump, water is heated delivers to water tank, cold-producing medium is cooled into to highly pressurised liquid and enters air-cooler after become biphase gas and liquid flow after reservoir, filter, magnetic valve, liquid-sighting glass and the heating power expansion valve step-down, form low-pressure gas, be inhaled into compressor at last, moving in circles to water temperature is higher than 50 ℃.
G) be higher than 50 ℃ when being lower than 65 ℃ when the water tank water temperature, adopt portion of hot to reclaim heating procedure: a of first four-way change-over valve, d end communicates, and b, c end communicates, and the e of second four-way change-over valve, f end communicates, and g, h end communicates; The compressed machine compression of cold-producing medium is after first four-way change-over valve enters double-tube heat exchanger, water in the water tank is delivered to double-tube heat exchanger through water pump, water is continued heating and is delivered to water tank, cold-producing medium is become highly pressurised liquid by partial condensation simultaneously, through the cold condenser of the laggard inlet air of second four-way change-over valve, formed high pressure refrigerant liquid becomes biphase gas and liquid flow and enters air-cooler after reservoir, filter, magnetic valve, liquid-sighting glass and heating power expansion valve step-down, form low-pressure gas, be inhaled into compressor at last, moving in circles to water temperature reaches 65 ℃.
H) when the water tank water temperature is higher than 65 ℃, adopting no recuperation of heat is full cooling flow: a of first four-way change-over valve, b end communicates, c, d end communicates, the compressed machine compression of cold-producing medium is after first four-way change-over valve directly enters air-cooled condenser, high pressure refrigerant liquid becomes biphase gas and liquid flow and enters air-cooler after reservoir, filter, magnetic valve, liquid-sighting glass and heating power expansion valve step-down, form low-pressure gas, be inhaled into compressor at last, move in circles and freeze, water tank does not heat, condensation heat does not have recuperation of heat, all is discharged in the atmosphere.
The freezing heat reclamation device and the heat recovery method of the high-temperature-hot-water produced of the present invention's design, adopt two four-way change-over valves and four check valves, by above-mentioned connected mode, can realize the switching that double-tube heat exchanger and air-cooled condenser are connected in series and are connected in parallel, thereby can be when beginning to produce hot water Fast Heating hot water, can produce the high-temperature-hot-water more than 65 ℃ simultaneously.Make full use of freezing recuperation of heat, the good effect that not only has energy-saving and emission-reduction, and overcome existing air-conditioner heat pump water heater, it is low to heat temperature, the speed that heats waits shortcoming slowly, simple in structure being easy to of the present invention realized, uses reliably, can be widely used in condensation heat recovery technology fields such as freezing unit, air-conditioner heat pump water heater.
Description of drawings
Fig. 1 is the whole syndeton schematic diagram of each cooling module of the present invention.
1, compressor, 2, oil eliminator, 3, first four-way change-over valve, 4, double-tube heat exchanger, 5, water tank, 6, water pump, 7, second four-way change-over valve, 8, first check valve, 9, liquid storing barrel, 10, filter, 11, magnetic valve, 12, liquid-sighting glass, 13, heating power expansion valve, 14, air-cooler, 15, second check valve, the 16, the 3rd check valve, 17, air-cooled condenser, the 18, the 4th check valve, 19, temperature-sensing element.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail, but present embodiment is not limited to the present invention, the protection domain of claims of the present invention is all listed in every employing principle of similitude structure of the present invention and similar variation thereof in.
The freezing heat reclamation device of high-temperature-hot-water and heat recovery method structure be can produce as shown in Figure 1, compressor 1, oil eliminator 2, first four-way change-over valve 3, double-tube heat exchanger 4, second four-way change-over valve 7, air-cooled condenser 17, reservoir 9, filter 10, magnetic valve 11, liquid-sighting glass 12, heating power expansion valve 13, air-cooler 14, water pump 6, water tank 5, temperature-sensing element 19 and several check valves comprised.
Compressor is connected in series via oil eliminator, first four-way change-over valve, double-tube heat exchanger, second four-way change-over valve, first check valve, liquid storing barrel, filter, magnetic valve, liquid-sighting glass, heating power expansion valve, air-cooler and compressor successively and forms; Described double-tube heat exchanger water side is connected with water tank circulation water inlet end, and water tank recycles water end (W.E.) and is connected with the water inlet end of double-tube heat exchanger through water pump; Water tank is provided with temperature-sensitive unit.
A pipeline in parallel between first four-way change-over valve and second four-way change-over valve: this pipeline is connected with the f end of second check valve, the 3rd check valve and second four-way change-over valve by the road successively by the c end of first four-way change-over valve.
Described second check valve and the 3rd check valve convection current to; First check valve and the 4th check valve flow to and are liquid storing barrel.
One pipeline is set between second check valve and the 3rd check valve to be connected with liquid storing barrel through air-cooled condenser, the 4th check valve.
When just beginning to produce when water temperature is lower than 50 ℃ in hot water, the water tank 5, a of first four-way change-over valve 3, d end communicates, and b, c end communicates, and the e of second four-way change-over valve 7, h end communicates, and f, g end communicates.Become high temperature after 1 compression of the compressed machine of cold-producing medium, gases at high pressure enter double-tube heat exchanger 4 behind first four-way change-over valve 3, water in the water tank 5 is delivered to double-tube heat exchanger 4 through water pump 6, the cold-producing medium of high temperature, high pressure cooled off make its condensation become highly pressurised liquid, water is heated simultaneously.The high pressure refrigerating fluid becomes biphase gas and liquid flow and enters air-cooler 14 after reservoir 9, filter 10, magnetic valve 11, liquid-sighting glass 12 and heating power expansion valve 13 step-downs, cold-producing medium absorbs to evaporate behind the airborne heat in freezer or the refrigerator becomes low-pressure gas, is inhaled into compressor 1 at last.This moment, condensation heat all was used to the water in the heating water tank 5, so water temperature rises rapidly in the water tank 5.
Water temperature is higher than 50 ℃ in water tank 5, but when being lower than 65 ℃, a of first four-way change-over valve 3, d end communicates, and b, c end communicates, and the e of second four-way change-over valve 7, f end communicates, and g, h end communicates.Become high temperature after 1 compression of the compressed machine of cold-producing medium, gases at high pressure enter double-tube heat exchanger 4 behind first four-way change-over valve 3, continue the water in the heating water tank 5, the cold-producing medium of high temperature, high pressure is become highly pressurised liquid by partial condensation simultaneously, cold-producing medium is become highly pressurised liquid through the cold condenser 17 of second four-way change-over valve, 7 laggard inlet airs by the outdoor air total condensation.The high pressure refrigerating fluid becomes biphase gas and liquid flow and enters air-cooler 14 after reservoir 9, filter 10, magnetic valve 11, liquid-sighting glass 12 and heating power expansion valve 13 step-downs, cold-producing medium absorbs to evaporate behind the airborne heat in freezer or the refrigerator becomes low-pressure gas, is inhaled into compressor 1 at last.Because the cooling of air-cooled condenser 17 has guaranteed condensing pressure at tolerance interval, water can be continued heating in the water tank 5 simultaneously in this process.
When water temperature was higher than 65 ℃ in the water tank 5, a of first four-way change-over valve 3, b end communicated, and c, d end communicates, and second four-way change-over valve 7 is inoperative.Become high temperature, gases at high pressure through the cold condenser 17 of first four-way change-over valve, 3 laggard inlet airs after compressed machine 1 compression of cold-producing medium, outdoor air becomes highly pressurised liquid with the refrigerant cools of high temperature, high pressure.The high pressure refrigerating fluid becomes biphase gas and liquid flow and enters air-cooler 14 after reservoir 9, filter 10, magnetic valve 11, liquid-sighting glass 12 and heating power expansion valve 13 step-downs, cold-producing medium absorbs to evaporate behind the airborne heat in freezer or the refrigerator becomes low-pressure gas, is inhaled into compressor 1 at last.Unit is equivalent to the logical freezing unit of a Daepori in this circulation, and water is not heated in the water tank 5.
Claims (2)
1. can produce the freezing heat reclamation device of high-temperature-hot-water, it is characterized in that:
A) compressor is connected in series via oil eliminator, first four-way change-over valve, double-tube heat exchanger, second four-way change-over valve, first check valve, liquid storing barrel, filter, magnetic valve, liquid-sighting glass, heating power expansion valve, air-cooler and compressor successively by refrigeration pipe and forms; Described double-tube heat exchanger water side is connected with water tank circulation water inlet end through water lines, and water tank recycles water end (W.E.) and is connected with the water inlet end of double-tube heat exchanger through water pump; Water tank is provided with temperature-sensing element;
B) pipeline in parallel between first four-way change-over valve and second four-way change-over valve: this pipeline is connected with the f end of second check valve, the 3rd check valve and second four-way change-over valve by the road successively by the c end of first four-way change-over valve;
C) described second check valve and the 3rd check valve convection current to; First check valve and the 4th check valve flow to and are liquid storing barrel;
D) pipeline being set between second check valve and the 3rd check valve is connected with liquid storing barrel through air-cooled condenser, the 4th check valve.
2. the freezing heat recovery method of producing high-temperature-hot-water according to claim 1 is characterized in that:
E) being divided into full recuperation of heat heating procedure, portion of hot recovery heating procedure and not having recuperation of heat according to the water tank temperature difference is full cooling flow;
F) when the water tank water temperature is lower than 50 ℃, adopt full recuperation of heat heating procedure: a of first four-way change-over valve, d end communicates, and b, c end communicates, and the e of second four-way change-over valve, h end communicates, and f, g end communicates; Water tank water moves in circles and is heated to water temperature and is higher than 50 ℃;
G) be higher than 50 ℃ when being lower than 65 ℃ when the water tank water temperature, adopt portion of hot to reclaim heating procedure: a of first four-way change-over valve, d end communicates, and b, c end communicates, and the e of second four-way change-over valve, f end communicates, and g, h end communicates; Water tank water moves in circles and is heated to water temperature and reaches 65 ℃;
H) when the water tank water temperature is higher than 65 ℃, adopting no recuperation of heat is full cooling flow: a of first four-way change-over valve, b end communicates, and c, d end communicates, and moves in circles and freezes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100471136A CN101504225B (en) | 2009-03-06 | 2009-03-06 | Refrigeration heat-reclaiming device and method for preparing high-temperature hot water |
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| CN2009100471136A CN101504225B (en) | 2009-03-06 | 2009-03-06 | Refrigeration heat-reclaiming device and method for preparing high-temperature hot water |
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| CN101504225A true CN101504225A (en) | 2009-08-12 |
| CN101504225B CN101504225B (en) | 2011-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155817A (en) * | 2010-02-12 | 2011-08-17 | 海尔集团公司 | Hot-water air conditioner and electric control method thereof |
| CN113251576A (en) * | 2021-05-18 | 2021-08-13 | 贵州汇通华城股份有限公司 | Frequency adjusting method and system for refrigerating water pump of heat recovery unit |
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2009
- 2009-03-06 CN CN2009100471136A patent/CN101504225B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155817A (en) * | 2010-02-12 | 2011-08-17 | 海尔集团公司 | Hot-water air conditioner and electric control method thereof |
| CN102155817B (en) * | 2010-02-12 | 2013-03-27 | 海尔集团公司 | Hot-water air conditioner and electric control method thereof |
| CN113251576A (en) * | 2021-05-18 | 2021-08-13 | 贵州汇通华城股份有限公司 | Frequency adjusting method and system for refrigerating water pump of heat recovery unit |
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| CN101504225B (en) | 2011-12-14 |
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Application publication date: 20090812 Assignee: SHANGHAI OUXING AIR CONDITIONING TECHNOLOGY CO., LTD. Assignor: Shanghai Yuanzhi Electromechanical Technology Co., Ltd. Contract record no.: 2013990000549 Denomination of invention: Refrigeration heat-reclaiming device and method for preparing high-temperature hot water Granted publication date: 20111214 License type: Exclusive License Record date: 20130905 |
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