CN103185378A - Cold and hot water double-loop air-conditioning system - Google Patents
Cold and hot water double-loop air-conditioning system Download PDFInfo
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- CN103185378A CN103185378A CN2013101076145A CN201310107614A CN103185378A CN 103185378 A CN103185378 A CN 103185378A CN 2013101076145 A CN2013101076145 A CN 2013101076145A CN 201310107614 A CN201310107614 A CN 201310107614A CN 103185378 A CN103185378 A CN 103185378A
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Abstract
The invention relates to a cold and hot water double-loop air-conditioning system; a cold water supply pipe and a hot water supply pipe are respectively provided with a conversion valve; a cold water pipeline system is provided with a cold water tail end heat exchange device, and a hot water pipeline system is provided with a hot water tail end heat exchange device; during the refrigeration operation in summer, the cold water pipeline system and the cold water tail end heat exchange device are used; and during heating operation in winter, the hot water pipeline system and the hot water tail end heat exchange device are used. The invention also relates to a design method of the natural heat exchange type hot water tail end heat exchange device; and after the natural heat exchange type hot water tail end heat exchange device is applied, noise-free operation in a room during heating of winter can be realized, and more than 33% of energy can be saved compared with a single-loop cold and hot water air-conditioning system.
Description
Technical field
The present invention relates to air-conditioning technique, particularly relate to the terminal DESIGN OF NON ADIABATIC method of a kind of hot water or cold water double loop air-conditioning system and natural heat exchange type hot water, this technology is applied to have in the air-conditioning winter heating energy-saving effect of highly significant.
Background technology
In air-conditioning technical field, hot water or cold water's air-conditioning system of being formed by pump type heat cold (heat) water air-conditioning unit, when moving under refrigeration and two kinds of working conditions of winter heating summer, air-conditioning hot water or cold water system adopts same water circulation system and same terminal heat transmission equipment usually, though this way can be simplified hot water or cold water's air-conditioning system, but, having increased the indoor heat transfer temperature difference in the winter heating process, its result must cause meaningless energy waste.
We know, the interior comfort temperature of cool room in summer is 22 ~ 28 ℃, winter heating's indoor temperature is 18 ~ 24 ℃, be applied to pump type heat cold (heat) the water air-conditioning unit that moves under summer refrigeration and two kinds of operating modes of winter heating at present, its, cold water water supply/return water temperature was 7/12 ℃ in summer, heat transfer temperature difference between air conditioner cold water and the air-conditioning indoor temperature is 15～21 ℃, its winter heating's water supply/return water temperature is 45/40 ℃, heat transfer temperature difference between air conditioning hot and the air-conditioning indoor temperature is 21～27 ℃, therefore, for cold, hot water air-conditioning system, at winters in summer two Ji Leng, under the different situation of heat transfer temperature difference, adopt same system between hot water temperature and the indoor temperature, same terminal heat transmission equipment clearly is irrational.
According to statistics, for pump type heat cold (heat) water air-conditioning unit, 1 ℃ of the every reduction of condensation temperature, compressor can reduce by 3% ~ 3.5% energy loss, economic heat transfer temperature difference with indoor heat exchange is 8～10 ℃ of calculating, as long as the supply water temperature of air conditioning hot reaches 34 ℃ in the winter heating process, just can guarantee the heat demand of winter heating fully, therefore, if can be to existing same loop, cold with terminal heat transmission equipment, hot water air-conditioning system is transformed, the supply water temperature that makes it to use winter air conditioning hot is 34 ℃, origin of heat as winter heating, condensation temperature in the time of so just can pump type heat is cold (heat) water air conditioner unit in winter heating operation is reduced to 39 ℃ by present 50 ℃, so, just can realize that the energy consumption under pump type heat cold (heat) the water air conditioner unit in winter heating condition reduces more than 33%, this has very important meaning for energy-saving and emission-reduction.
In view of this, the present inventor overcomes the above-mentioned defective that exists in existing hot water or cold water's air-conditioning system prior art, broken through technical bottleneck, the terminal DESIGN OF NON ADIABATIC collocation method of a kind of hot water or cold water double loop air-conditioning system and independent hot water is proposed, broken the terminal heat transmission equipment of existing hot water or cold water's air-conditioning system and hot water in design and the limitation of using, make hot water or cold water's air-conditioning system when improving people's living and working environment, have the energy-saving effect of highly significant.
Summary of the invention
It is a kind of cold that the purpose of one aspect of the present invention is to provide, hot water double loop air-conditioning system, by cool water circulating pipe road system independently, the independently terminal heat transmission equipment of cold water and independently hot water tube system, the independently setting of the terminal heat transmission equipment of hot water, make it by pump type heat cold (heat) water air-conditioning unit form cold, hot water air-conditioning system is in the winter time in the heating process, hot water and indoorly require heat transfer temperature difference between the temperature to maintain in 8～10 ℃ the economic temperature range, thereby reduce the condensation temperature of pump type heat cold (heat) water air conditioner unit in winter operation, reach cold, energy-conservation purpose to greatest extent in the hot water air-conditioning system heating process in the winter time.
In order to realize the foregoing invention purpose, the invention provides a kind of cold, hot water double loop air-conditioning system, comprise: at least one pump type heat cold (heat) water air-conditioning unit, a water circulating pump, the terminal heat transmission equipment of cold water and a cold water pipe-line system that is used for the refrigeration in summer, the terminal heat transmission equipment of hot water and a hot water tube system that is used for winter heating, and be installed in respectively on cold water supply channel and the hot water feeding pipe road, be used for cold, the valve that hot-water heating system is changed mutually, summer is when moving under the cooling condition, use the terminal heat transmission equipment of cold water pipe-line system and cold water, during winter heating, use the terminal heat transmission equipment of hot water tube system and hot water.
It is a kind of for cold that the present invention's purpose on the other hand is to provide, the terminal heat transmission equipment of the natural heat exchange type hot water of hot water double loop air-conditioning system and method for designing thereof, be 8～10 ℃ economic heat transfer temperature difference between indoor temperature and the air-conditioning system hot water temperature according to winter, calculate the heat exchange area of the terminal heat transmission equipment of natural heat exchange type hot water of winter heating operation, and disposed the terminal heat transmission equipment of nature heat exchange type hot water with this result of calculation, thereby guarantee cold, when hot water air-conditioning system moves under the heating condition condition in the winter time, as long as offering the hot water supply water temperature of the terminal heat transmission equipment of nature heat exchange type hot water is 34 ℃, just can satisfy comfort air conditioning system indoor temperature requirement in winter fully.
In order to realize the foregoing invention purpose, one aspect of the present invention provides a kind of coiled pipe nature heat exchange type hot water terminal heat transmission equipment, as cold, the terminal air-conditioning heat transmission equipment of hot water in winter heating's process of hot water double loop air-conditioning system, the terminal heat transmission equipment of this coiled pipe nature heat exchange type hot water is formed by thermal conductivity factor circular pipe bending preferably, hot water is entered by the end that coiled pipe is connected with the hot water feeding pipe road, be connected with hot water backwater's pipeline coiled pipe the other end and go out, hot water flows in coiled pipe, in the heat transferred air conditioning chamber of outer surface with hot water by coiled pipe.
In order to realize the foregoing invention purpose, the present invention provides a kind of section of jurisdiction type nature heat exchange type hot water terminal heat transmission equipment on the other hand, as cold, the terminal air-conditioning heat transmission equipment of hot water in winter heating's process of hot water double loop air-conditioning system, circular pipe and fin are made the terminal heat transmission equipment of this section of jurisdiction type nature heat exchange type hot water preferably by thermal conductivity factor, the upper end of the terminal heat transmission equipment of section of jurisdiction type nature heat exchange type hot water is connected with the hot water feeding pipe road for the hot water inlet, lower end hot water backwater's mouth of the terminal heat transmission equipment of section of jurisdiction type nature heat exchange type hot water is connected with hot water backwater's pipeline, hot water flows in pipe, by the heat exchanger tube of section of jurisdiction type heat exchanger in the heat transferred air conditioning chamber of fin with hot water surperficial and that closely link together with heat exchange pipe external surface.
Advantageously, hot water or cold water double loop air-conditioning system adopts the terminal heat transmission equipment of nature heat exchange type hot water in the winter time, has dwindled the indoor heat transfer temperature difference of winter heating significantly, makes it people's life, the residing environment of work is more comfortable.
Further, hot water or cold water double loop air-conditioning system adopts the terminal heat transmission equipment of nature heat exchange type hot water in the winter time, eliminated that hot blast skims over the scorching discomfort that human body produces under noise that indoor air velocity brings and the big temperature difference heat exchange situation, be conducive to physical and mental health.
Further, hot water or cold water double loop air-conditioning system adopts the terminal heat transmission equipment of coiled pipe nature heat exchange type hot water in the winter time, and it is installed in below the indoor floor, can save the interior space effectively, and because the terminal heat transmission equipment internal hot-water of coil pipe type hot water temperature is relatively low, heat transfer temperature difference is less, reduces the speed that hot gas rises effectively, be conducive to reduce floor bacterium, dust with the up quantity of hot gas, for safeguarding that IAQ has very important meaning.
Description of drawings
Fig. 1 is for describing the basic principle schematic of hot water or cold water double loop air-conditioning system according to a particular embodiment of the invention.
Fig. 2 is for describing the basic principle schematic by the integrated hot water or cold water double loop air-conditioning system of the terminal heat transmission equipments of many cold water and the terminal heat transmission equipment of Duo Tai hot water according to a particular embodiment of the invention.
Fig. 3 is for describing the basic structure principle schematic of the terminal heat transmission equipment of coiled pipe nature heat exchange type hot water according to a particular embodiment of the invention.
Fig. 4 is for describing the basic structure principle schematic of the terminal heat transmission equipment of section of jurisdiction type nature heat exchange type hot water according to a particular embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing, to illustrate but not for the mode that the desired protection domain of invention thought limits, the example that describes preferred embodiments of the present invention in detail and change to some extent.
Fig. 1 is the basic principle schematic as the specific embodiment of a kind of hot water or cold water double loop air-conditioning system that provides according to the principle of the invention.Mainly by the terminal heat transmission equipment 20 of pump type heat cold (heat) water air-conditioning unit 10, cold water, cold water supply channel 41, cold-water return pipeline 42, cold water water supply conversion valve 43, cold-water return conversion valve 44 and the terminal heat transmission equipment 30 of natural heat exchange type hot water, hot water feeding pipe road 51, hot water backwater's pipeline 52, hot water water supply conversion valve 53, hot water backwater's conversion valve 54, and formations such as cold (heat) water water circulating pump 60, cold (heat) water return pipe 61, cold (heat) water feed pipe 62, expansion tank 70.
The hot water feeding pipe 51 of the cold water feed pipe 41 of the terminal heat transmission equipment 20 of described cold water and the terminal heat transmission equipment 30 of natural heat exchange type hot water, cold (heat) water feed pipe 63 of cold with pump type heat (heat) water air-conditioning unit 10 is connected respectively, the hot water return pipe 52 of the cold-water return pipe 42 of the terminal heat transmission equipment 20 of cold water and the terminal heat transmission equipment 30 of natural heat exchange type hot water, cold (heat) water return pipe 61 of cold with pump type heat (heat) water air-conditioning unit 10 is connected respectively, cold water water supply conversion valve 43 places on the cold water supply channel 41, cold-water return conversion valve 44 places on the cold-water return pipeline 42, hot water water supply conversion valve 53 places on the hot water feeding pipe road 51, and hot water backwater's conversion valve 54 places on hot water backwater's pipeline 52.
Describe the specific embodiment of a kind of hot water or cold water provided by the present invention double loop air-conditioning system kind of refrigeration cycle in summer in detail below in conjunction with Fig. 1.In summer during refrigerating operaton, place the cold water water supply conversion valve 43 of cold water supply channel 41 and place the cold-water return conversion valve 44 of cold-water return pipeline 42 to be in opening, place the hot water conversion valve 53 on hot water feeding pipe road 51 and place hot water backwater's conversion valve 54 of hot water backwater's pipeline 52 to be in closed condition, that is, in summer during refrigerating operaton, winter heating is not worked with the terminal heat transmission equipment 30 of nature heat exchange type hot water, 7 ℃ the cold water that pump type heat cold (heat) water air-conditioning unit 10 provides, enter cold water supply channel 41 by supply channel 63, enter the terminal heat transmission equipment 20 of cold water through subcooled water conversion valve 43, at this moment 7 ℃ of cold water that enter the terminal heat transmission equipment 20 of cold water absorb the heat temperature that blower fan by the terminal heat transmission equipment 20 of cold water driven and skimmed over its heat exchange surface room air and are increased to 12 ℃, deliver to after the temperature of skimming over its heat exchange surface air reduced and cool off room air in the air conditioning chamber, 12 ℃ cold-water return enters water return pipeline 61 through cold-water return pipeline 42 and is recycled water pump 60 suctions, outlet pipeline by water pump 60 enters pump type heat cold (heat) water air-conditioning unit 10,12 ℃ cold-water return are cooled to 7 ℃ again, so successively circulation, successively provide 7 ℃ of sufficient cold water to the terminal heat transmission equipment 20 of cold water, thus indoor temperature reduced and maintain in 22～28 ℃ the indoor temperature scope of requiring.
Describe the specific embodiment of a kind of hot water or cold water provided by the present invention double loop air-conditioning system winter heating energy-saving run in detail below in conjunction with Fig. 1.In the winter time during heating operation, place the cold water water supply conversion valve 43 of cold water supply channel 41 and place the cold-water return conversion valve 44 of cold-water return pipeline 42 to be in closed condition, place the hot water conversion valve 53 on hot water feeding pipe road 51 and place hot water backwater's conversion valve 54 of hot water backwater's pipeline 52 to be in opening, therefore, in the heating process in the winter time, the terminal heat transmission equipment 20 of cold water is not worked, 10 of pump type heat cold (heat) water air-conditioning units change over to and heat duty, provide hot water to the terminal heat transmission equipment 30 of natural heat exchange type hot water, now with winter comfort air conditioning operating mode indoor temperature be 18 ~ 24 ℃ of specific embodiment that illustrate winter heating's energy-saving run: pump type heat cold (heat) water air-conditioning unit 10 is by the condensation process of high pressure superheater refrigerant gas, putting the heat of refrigerant gas to outlet pipeline 62 temperature that come from water pump 60 is after 29 ℃ hot water backwater is heated to 34 ℃, enter hot water feeding pipe road 51 by supply channel 63, enter the terminal heat transmission equipment 30 of nature heat exchange type hot water through superheated water conversion valve 53, at this moment 34 ℃ of hot water that enter the terminal heat transmission equipment 30 of nature heat exchange type hot water pass through its heat exchange surface with the heat transferred room air, indoor temperature is raise, and after 34 ℃ of hot water self-temperatures are reduced to 29 ℃, enter water return pipeline 61 through hot water backwater's pipeline 52 and be recycled water pump 60 suctions, outlet pipeline 62 by water pump 60 enters in pump type heat cold (heat) the water air-conditioning unit 10, continue condensation high pressure superheater refrigerant gas itself and be heated to 34 ℃, so successively circulation, successively to indoor 34 ℃ of hot water that abundance is provided, 34 ℃ hot water is heat exchange surface and the room air generation exchange heat by the terminal heat transmission equipment 30 of nature heat exchange type hot water constantly then, thus make the indoor temperature rising and maintain in 18～24 ℃ the indoor temperature scope of requiring.
Fig. 2 is as according to a kind of basic principle schematic by the integrated hot water or cold water double loop air-conditioning system specific embodiment of the terminal heat transmission equipments of many cold water and the terminal heat transmission equipment of Duo Tai nature heat exchange type hot water provided by the present invention.With Fig. 1 difference be, it is cold that Fig. 2 provides, air-conditioning system its refrigeration in hot water double loop has the terminal heat transmission equipment 20a of many cold water respectively with the terminal heat transmission equipment of heating, 20b, 20n and the terminal heat transmission equipment 30a of Duo Tai nature heat exchange type hot water, 30b, 30n, and every terminal heat transmission equipment 20a of cold water, 20b, 20n is each other for being connected in parallel, the terminal heat transmission equipment 20a of cold water, 20b, the cold water inlet of 20n is connected on the cold supply channel 41', outlet pipe is connected on the cold-water return pipeline 42', every terminal heat transmission equipment 30a of natural heat exchange type hot water, 30b, 30n is each other also for being connected in parallel, the terminal heat transmission equipment 30a of nature heat exchange type hot water, 30b, the hot water inlet pipe of 30n is connected on the 51' of hot water feeding pipe road, and outlet pipe is connected on hot water backwater's pipeline 52'.
Describe a kind of specific embodiment by the integrated hot water or cold water double loop air-conditioning system kind of refrigeration cycle in summer of the terminal heat transmission equipments of many cold water and the terminal heat transmission equipment of the terminal heat transmission equipment of Duo Tai nature heat exchange type hot water provided by the present invention in detail below in conjunction with Fig. 2.As can be seen from Figure 2, terminal heat transmission equipment under this refrigerating state is by the terminal heat transmission equipment 20a of many cold water, 20b, 20n forms, and every terminal heat transmission equipment 20a of cold water, 20b, 20n is connected between cold water supply channel 41' and the cold-water return pipeline 42' respectively, in summer during refrigerating operaton, the cold water water supply conversion valve 43' that is arranged at cold water supply channel 41' is in opening with the cold-water return conversion valve 44' that is arranged at cold-water return pipeline 42', the hot water conversion valve 53' that is arranged at hot water feeding pipe road 51' is in closed condition with the hot water backwater's conversion valve 54' that is arranged at hot water backwater's pipeline 52', that is, in summer during refrigerating operaton, the winter heating terminal heat transmission equipment 30a of nature heat exchange type hot water, 30b, 30n does not all work, 7 ℃ of cold water that pump type heat cold (heat) water air-conditioning unit 10' provides, enter cold water supply channel 41' by supply channel 63', enter the terminal heat transmission equipment 20a of cold water respectively through subcooled water conversion valve 43', 20b, 20n, at this moment enter the terminal heat transmission equipment 20a of cold water, 20b, 7 ℃ of cold water of 20n absorb respectively by the terminal heat transmission equipment 20a of cold water, 20b, the blower fan of 20n drive and skim over its separately the heat temperature of heat exchange surface room air be increased to 12 ℃, deliver to cooling room air in the air conditioning chamber separately after skimming over it temperature of heat exchange surface air then being lowered separately, the terminal heat transmission equipment 20a of cold water, 20b, 12 ℃ the cold-water return of 20n enters cold-water return pipeline 42' respectively, water return pipeline 61' is recycled water pump 60' and sucks, outlet pipeline by water pump 60' enters pump type heat cold (heat) water air-conditioning unit 10', 12 ℃ cold-water return are cooled to 7 ℃ again, so successively circulation, successively to the terminal heat transmission equipment 20a of cold water, 20b, 20n provides 7 ℃ of sufficient cold water, thus indoor temperature reduced and maintain in 22～28 ℃ the indoor temperature scope of requiring.
Describe a kind of specific embodiment by the integrated hot water or cold water double loop air-conditioning system winter heating energy-saving run of the terminal heat transmission equipments of many cold water and the terminal heat transmission equipment of Duo Tai nature heat exchange type hot water provided by the present invention in detail below in conjunction with Fig. 2.As can be seen from Figure 2, this heats terminal heat transmission equipment under the state by the terminal heat transmission equipment 30a of many natural heat exchange type hot water, 30b, 30n forms, and the terminal heat transmission equipment 30a of natural heat exchange type hot water, 30b, 30n is connected with hot water backwater's pipeline 52' with hot water feeding pipe road 51' respectively, in the winter time during heating operation, the cold water water supply conversion valve 43' that is arranged at cold water supply channel 41' is in closed condition with the cold-water return conversion valve 44' that is arranged at cold-water return pipeline 42', the hot water conversion valve 53' that is arranged on the 51' of hot water feeding pipe road is in opening with the hot water backwater's conversion valve 54' that is arranged at hot water backwater's pipeline 52', therefore, in the heating process in the winter time, the terminal heat transmission equipment 20a of cold water, 20b, 20n does not work, pump type heat cold (heat) water air-conditioning unit 10' then changes over to and heats duty, to the terminal heat transmission equipment 30a of natural heat exchange type hot water, 30b, 30n provides hot water, now with winter comfort air conditioning operating mode indoor temperature be 18 ~ 24 ℃ of specific embodiment that illustrate winter heating's energy-saving run: the condensation process of pump type heat cold (heat) water air-conditioning unit 10' by the high pressure superheater refrigerant gas, making the heat of refrigerant gas put to the outlet pipeline 62' temperature that comes from water pump 60' is after 29 ℃ hot water backwater is heated to 34 ℃, enter hot water feeding pipe road 51' by supply channel 63', enter the terminal heat transmission equipment 30a of nature heat exchange type hot water respectively through superheated water conversion valve 53', 30b, 30n, at this moment enter the terminal heat transmission equipment 30a of nature heat exchange type hot water, 30b, 30 ℃ of hot water of 30n pass through its heat exchange surface respectively with the heat transferred room air, indoor temperature is raise, and after 34 ℃ of hot water self-temperatures are reduced to 29 ℃, enter hot water backwater's pipeline 52' respectively, being recycled water pump 60' through water return pipeline 61' sucks, outlet pipeline 62' by water pump 60' enters among pump type heat cold (heat) the water air-conditioning unit 10', continue condensation high pressure superheater refrigerant gas itself and be heated to 34 ℃, so successively circulation, successively to indoor 34 ℃ of hot water that abundance is provided, 34 ℃ hot water is then constantly by the terminal heat transmission equipment 30a of nature heat exchange type hot water, 30b, the heat exchange surface of 30n and room air generation exchange heat, thus indoor temperature is raise and maintain in 18～24 ℃ the indoor temperature scope of requiring.
Fig. 3 is the basic structure principle schematic of the terminal heat transmission equipment specific embodiment of coiled pipe nature heat exchange type hot water provided by the present invention.The terminal heat transmission equipment 30' of this coiled pipe nature heat exchange type hot water is made by the good circular pipe bending of heat conductivility, the terminal heat transmission equipment of so-called ground heating type hot water of the bottom, floor that is mainly used in being laid in.Now illustrate in the coiled pipe provided by the present invention nature terminal heat transmission equipment 30' of the heat exchange type hot water heating process in the winter time the specific embodiment of heat exchange between the hot water and room air, still with winter 18 ~ 24 ℃ of indoor comfort air conditioning temperature be example, the hot water that comes from 34 ℃ of heat pump type air conditioner units, after entering the terminal heat transmission equipment 30' of coiled pipe nature heat exchange type hot water by the hot water feeding pipe road, 34 ℃ hot water will pass to the floor with the surface of its heat by coiled pipe in the coiled pipe, because coiled pipe and floor are close together, at this moment the temperature of floor surface also will reach 34 ℃, therefore 34 ℃ hot water in the coiled pipe will be by the floor with radiation and two kinds of heat exchange modes of free convection with the heat transferred room air, thereby indoor temperature is raise, and coiled pipe in hot water with the heat transferred room air after temperature be down to 29 ℃, then the outlet by coiled pipe enters hot water backwater's pipeline, under the effect of water pump, get back in the heat pump type air conditioner unit, so constantly circulation, thus the temperature in the air conditioning chamber is risen to and maintains in 18 ~ 24 ℃ of scopes.
Fig. 4 is the basic structure principle schematic of the terminal heat transmission equipment specific embodiment of section of jurisdiction provided by the present invention type nature heat exchange type hot water.This heat exchanger 30'' is made up of heat exchanger tube 31'' and fin 32'' two parts, heat exchanger tube 31'' and fin 32'' are made by the good material of heat conductivility, and form an integral body in close-connected mode between fin 32'' and the heat exchanger tube 31'', now illustrate in the section of jurisdiction provided by the present invention type nature terminal heat transmission equipment of the heat exchange type hot water heating process in the winter time the specific embodiment of heat exchange between the hot water and room air, still with winter 18 ~ 24 ℃ of indoor comfort air conditioning temperature be example, the hot water that comes from 34 ℃ of heat pump type air conditioner units, by the hot water feeding pipe road enter install with the air-conditioned room wall on the heat exchanger tube 31'' of the terminal heat transmission equipment 30'' of section of jurisdiction type nature heat exchange type hot water in after, managing interior 34 ℃ hot water will be with its heat transferred heat exchanger tube and the fin 32'' that is installed in heat exchange pipe external surface, at this moment the outer surface that 34 ℃ hot water in the heat exchanger tube will be by heat exchanger tube 31'' and fin 32'' with the heat exchange mode of free convection with the heat transferred room air, thereby indoor temperature is raise, and the hot water in the heat exchanger tube 31'' of the terminal heat transmission equipment 30'' of section of jurisdiction type nature heat exchange type hot water with the heat transferred room air after temperature be down to 29 ℃, then the outlet by the terminal heat transmission equipment 30'' of section of jurisdiction type nature heat exchange type hot water enters hot water backwater's pipeline, under the effect of water pump, get back in the heat pump type air conditioner unit, so constantly circulation, thus the temperature in the air conditioning chamber is risen to and maintains in 18 ~ 24 ℃ of scopes.
The specific design embodiment of the terminal heat transmission equipment of natural heat exchange type hot water provided by the present invention is: first is indoor according to winter, the required heat that provides in the air conditioning chamber is provided outdoor temperature, second selects a heat transfer temperature difference value in 8～10 ℃ of heat transfer temperature difference scopes, hot water supply water temperature and the indoor temperature difference that requires between the temperature, the 3rd calculates the heat transfer coefficient of the terminal heat transmission equipment of nature heat exchange hot water, the 4th according to above-mentioned three needed heats in the room that draws and heat transfer temperature difference, the heat transfer coefficient value is calculated the total heat transfer area of the terminal heat transmission equipment of needed natural heat exchange hot water, the 5th difference according to the hot water supply water temperature of every heat exchanger and leaving water temperature is 5 ℃ of heat exchange area values of calculating every terminal heat transmission equipment of natural heat exchange hot water, the 4th total heat transfer area of the 6th usefulness is divided by the heat transfer area of the 5th every the terminal heat transmission equipment of natural heat exchange hot water, draw the terminal heat transmission equipment platform of needed natural heat exchange hot water number, disposed according to the terminal heat transmission equipment pipeline of Fig. 1 or Fig. 2 nature heat exchange type hot water connection request and to be got final product, concrete each step computational methods are the ABC that those skilled in the art should grasp, in order to save length, this does not give unnecessary details for example.
In sum, provided by the present invention cold, the terminal DESIGN OF NON ADIABATIC method of hot water double loop air-conditioning system and air conditioning hot, reduced the supply water temperature of hot water in the winter heating process significantly, fundamentally solved existing cold, hot water shares same loop, same the too high problem of terminal heat transmission equipment energy consumption in winter, and adopt existing winter forced convertion circulation terminal air-conditioning heat transmission equipment wind pushing temperature and require excessive temperature differentials between the indoor temperature, the hot blast that causes skims over problems such as the extremely uncomfortable and excessive noise that causes of fan delivery of human body is big, has following significant advantage particularly.
1) energy-conservation.When moving under the heating condition in the winter time as air-conditioning system noted earlier, it is too big that heat transfer temperature difference between its hot water and the room air differs, hot water or cold water provided by the present invention double loop air-conditioning system and independent air conditioning terminal heat transmission equipment thereof, realized that indoor heat transfer temperature difference under the winter condition remains in 8～10 ℃ the economic heat transfer temperature difference scope, thus energy-conservation purpose to greatest extent when having reached winter operation.
2) environmental protection.The size of noise is to weigh an important indicator of whether environmental protection, the terminal heat transmission equipment of natural heat exchange type hot water provided by the present invention and design configurations mode thereof, the noise problem that blower fan and wind speed thereof produced when the terminal heat transmission equipment of existing forced convertion moved when fundamentally having solved winter heating, realize quiet operation truly, be conducive to people's physical and mental health.
3) comfortable.The terminal heat transmission equipment of natural heat exchange type hot water that economic heat transfer temperature difference is selected, uncomfortable sensation when the hot blast that has fundamentally solved the big temperature difference of existing forced convertion in winter air conditioning terminal heat transmission equipment skims over human body.
A kind of hot water or cold water described herein double loop air-conditioning system is an integrated system device; although explanation by way of example above; the preferable specific embodiment of the present invention has been described; protection scope of the present invention is not limited in above-mentioned explanation, but is defined by all technical characterictics and the equivalent technologies feature thereof that appended claim provides.Persons skilled in the art are understandable that, are not deviating under the essence and marrow prerequisite that the present invention instructs, and any modifications and variations may still drop within the protection domain of claim of the present invention.
Claims (6)
1. hot water or cold water double loop air-conditioning system is characterized in that comprising:
One cold (heat) hydro-thermal pump air-conditioning unit;
One cold water pipe-line system and hot water tube system, cold (heat) water feed water inlet that it is characterized in that cold water supply channel and hot water feeding pipe Lu Junyu heat pump type air conditioner unit is connected, the cold-water return pipeline all is connected with the water circulating pump entrance with hot water backwater's pipeline, and cold water supply channel, cold-water return pipeline, hot water feeding pipe road and hot water backwater's pipeline are equipped with valve;
The cold water inlet of the terminal heat transmission equipment of one cold water is connected with the cold water supply channel, and its cold water delivery port is connected with the cold-water return pipeline;
The water inlet of hot water of the terminal heat transmission equipment of one hot water is connected with the hot water feeding pipe road, and its hot water outlet is connected with hot water backwater's pipeline;
One water pump, expansion tank.
2. require described hot water or cold water double loop air-conditioning system according to right 1, it is characterized in that comprising at least one cold (heat) hydro-thermal pump air-conditioning unit.
3. require described hot water or cold water double loop according to right 1, it is characterized in that comprising at least a cover cool water circulating pipe road system, a cover hot water circulating pipeline system.
4. require described every cover cool water circulating pipe road system according to right 1 and right 3, it is characterized in that being provided with at least the terminal heat transmission equipment of a cold water.
5. require described each hot water circulating pipeline system according to right 1 and right 3, it is characterized in that being provided with at least the terminal heat transmission equipment of a hot water.
6. the terminal heat transmission equipment of a hot water and method for designing and allocating thereof it is characterized in that the heat exchange area of the terminal heat transmission equipment of every hot water is designed according to hot water temperature and 8～10 ℃ of heat transfer temperature differences of indoor temperature, and the difference of hot water water inlet and return water temperature are 5 ℃.
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| CN2013101076145A CN103185378A (en) | 2013-03-30 | 2013-03-30 | Cold and hot water double-loop air-conditioning system |
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| CN2013101076145A CN103185378A (en) | 2013-03-30 | 2013-03-30 | Cold and hot water double-loop air-conditioning system |
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| CN103185378A true CN103185378A (en) | 2013-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839517A (en) * | 2017-03-02 | 2017-06-13 | 袁军 | A kind of heat energy utilization method and system for air adjustment |
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| CN201218627Y (en) * | 2008-05-19 | 2009-04-08 | 张茂勇 | Dual-effect absorption type ground source heat pump and floor air conditioner integration system |
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| CN202126114U (en) * | 2011-03-07 | 2012-01-25 | 苏州际能环境能源技术有限公司 | Control device for switching central air-conditioning and floor heating according to season change |
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| CN201218627Y (en) * | 2008-05-19 | 2009-04-08 | 张茂勇 | Dual-effect absorption type ground source heat pump and floor air conditioner integration system |
| CN101900453A (en) * | 2009-05-27 | 2010-12-01 | 王春刚 | Heat pump air-conditioning ground heating system |
| CN201555314U (en) * | 2009-06-04 | 2010-08-18 | 袁谊 | Novel linkage control system for ground source heat pump and air-conditioning water circulating pump |
| CN101832604A (en) * | 2010-05-13 | 2010-09-15 | 熊欣 | Central air conditioning device and running control method thereof |
| CN202126114U (en) * | 2011-03-07 | 2012-01-25 | 苏州际能环境能源技术有限公司 | Control device for switching central air-conditioning and floor heating according to season change |
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| CN106839517A (en) * | 2017-03-02 | 2017-06-13 | 袁军 | A kind of heat energy utilization method and system for air adjustment |
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