A kind of water-cooled air-conditioning, hot-water heating system
Technical field
The present invention relates to the refrigeration and heating technical field, particularly a kind of with air-conditioning, the hot-water heating system of water as heat exchange medium.
Background technology
Along with China's rapid development of economy, people's living standard improves day by day, and simultaneously, people are also constantly improving the requirement of its inhabitation, working environment, and increasing people uses air-conditioning.Root a tree name relevant data, at present, the energy consumption that the whole world is used for air-conditioning system has accounted for more than 30% of world's total energy consumption, and this percentage uses the air-conditioning product to become energy consumption rich and influential family maximum except industrial and agricultural production also soaring gradually.Under the energy crisis that faces in the current whole world; " energy-saving and emission-reduction " are actively being carried out by countries in the world government; Chinese Government more carries out " energy-saving and emission-reduction " as important state basic policy, and with it as the important criterion of GDP quality with deeply carry out the important performance assessment criteria of " Scientific Outlook on Development ".
In the prior art, the heat exchange method of most of air-conditioning system all is that employing is air-cooled, and compressor, condenser (evaporimeter) and fan promptly are set in off-premises station, forms distinguished and admirable and condenser (evaporimeter) generation heat exchange by tube-axial fan.But, this heat exchange temperature difference is less, heat exchange is insufficient, and can be subjected to the variation of environment temperature, can have a strong impact on the rational and efficient use of air-conditioning system to the energy, for example in extremely cold or very hot weather environment, this heat exchanger effectiveness is very low, and this is because the specific heat capacity of air is less, therefore, the air-conditioning system that employing has an air-cooled device is effectively utilized reasonable resources and has been formed great obstacle, has caused the present situation of highly energy-consuming.
In recent years, the air-source water heater that is occurred is applied gradually in warm area, and air-source water heater claims Teat pump boiler or air source water heater again, and it is to adopt refrigeration principle to absorb " heat carrying " device that heat is made hot water from air.But the volume ratio of air-source water heater is huger, and very is not suitable for environment temperature and is lower than subzero 5 degrees centigrade extremely frigid zones, yet extremely frigid zones is but urgent to the demand of heat supply.
In addition, earth source heat pump and water resource heat pump all can be realized heating, refrigeration, but domestic hot-water supply also, and a tractor serves several purposes, a cover system can be replaced two covering devices or the system that original boiler adds air-conditioning, belong to novel energy and utilize technology.Though earth source heat pump and water source heat pump technology pass through the perfect tremendous development that obtained of decades,, these two kinds of heat pumps also have very high requirement aspect environment for use.Wherein, earth source heat pump utilizes shallow-layer ground can carry out heating and refrigerating, earth-source hot-pump system is continual to extract heat to underground rock-soil layer, and underground rock-soil layer can not get under the situation of timely additional heat, and system cannot continue normal operation and understand in paralyzed state.To could arrive deep under ground through the very very long time because come from the heat of the sun, equally, the underground heat that comes from earth's core inside also will could arrive shallow surface through the very very long time, and this is the obstacle that can cross over hardly to long-term use earth source heat pump exactly; Water resource heat pump then is because this system is limit the source, water source that heat can be provided, and only is applicable to some particular environment place at present.Another shortcoming of earth source heat pump and water resource heat pump is that their initial stages construction input cost is very high.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation, the operation and maintenance cost is low, be not subjected to region restriction, sustainable recycling, the water-cooled air-conditioning of stable performance, hot-water heating system, can substitute existing earth source heat pump, water resource heat pump and air-source water heater simultaneously.
Purpose of the present invention realizes by following technical measures: a kind of water-cooled air-conditioning, hot-water heating system, comprise indoor heat exchanger, outdoor heat exchanger, condenser, evaporimeter, compressor, body and air-conditioning appurtenances, it is characterized in that described body comprises off-premises station and indoor set, described compressor comprises compressor of air conditioner and hot water compressor, described compressor of air conditioner and hot water compressor all are positioned at outside the described body, described indoor heat exchanger is arranged in described indoor set, communicates with indoor environment; Described outdoor heat exchanger, condenser and evaporimeter all are arranged in described off-premises station, described off-premises station is separated into heat exchange water tank and the hot water that water body is housed, described condenser is arranged in described hot water, described outdoor heat exchanger and evaporimeter all are arranged in described heat exchange water tank, described indoor heat exchanger, outdoor heat exchanger, compressor of air conditioner and air-conditioning appurtenances link to each other by pipeline and constitute a cover circulation line, and described condenser, evaporimeter and hot water compressor link to each other by pipeline and constitute another set of circulation line.
The present invention adopts water as heat exchange medium, with the existing tube-axial fan that adopts is that the working media cooling or the highly energy-consuming defective that causes that heats up are compared, can realize purpose of energy saving, this is because water is the material of occurring in nature specific heat capacity maximum, when refrigeration, the working media cooling back pressure of HTHP decreases, and makes the acting pressure of compressor of air conditioner reduce, and has reduced the power consumption of compressor of air conditioner to greatest extent; In addition, adopt water can avoid each heat exchange device surface to produce dirt as heat exchange medium and consequently reduce heat exchange property, therefore performance of the present invention and durability increase substantially, and maintenance cost reduces; Owing to cancelled existing tube-axial fan, reduced manufacturing cost, also reduced energy consumption simultaneously.
As preferred implementation of the present invention, described hot water compressor adopts high temperature compressed machine, and according to the specific (special) requirements to the hot water temperature, high temperature compressed machine can guarantee that the hot water of producing need not post bake and can use.
As a kind of improvement of the present invention, described water-cooled air-conditioning, hot-water heating system also comprise the regenerative resource heat-exchanger rig that is used for carrying out with the water body of described heat exchange water tank heat exchange.
As one embodiment of the present invention, described regenerative resource heat-exchanger rig comprises solar heat exchanger and solar thermal collector, described solar heat exchanger is arranged in described heat exchange water tank and contacts with wherein water body, and described solar heat exchanger is connected with solar thermal collector by the heat-transfer tube road.Solar thermal collector can be transported to solar heat exchanger with the solar energy that collects, and makes the water body generation heat exchange in this energy and the heat exchange water tank, makes water body absorb this heat.
As a further improvement on the present invention, described regenerative resource heat-exchanger rig also comprises the geothermal source heat exchanger and is positioned at underground and the lower header hermetically of water body is housed, described geothermal source heat exchanger is arranged in described heat exchange water tank and contacts with wherein water body, described geothermal source heat exchanger is connected by circulation line with described underground water tank, wherein, the mouth of pipe of described circulation line and described underground water tank link passes through hole on the underground water tank and stretches in the water body in the underground water tank.
In summer, because the hot water in the boiler is limited with heat, make the water body in the heat exchange casing can produce hot surplus phenomenon, adopt heat exchanger that the water storage in the underground water tank is carried the heat of surplus in reverse heat convection mode to underground rock-soil layer that has powerful heat storage capacity and body of groundwater, guaranteed stability of the present invention; And, be stored in and give indoor heating when underground heat then need to be used to and produce hot water, make underground maintenance thermal balance simultaneously, guarantee that the energy is sustainable recycling; Adopted the regenerative resource heat-exchanger rig, reduced the restriction of use region, more be applicable to the extremely frigid zones urgent the heating demand.
The present invention can also do following improvement, and the bottom of described underground water tank is provided with heat exchanger tube, and described heat exchanger tube stretches out to the depths, stratum, and the lower port sealing of described heat exchanger tube communicates with the casing of described underground water tank in the body of described heat exchanger tube.Water body in the heat exchanger tube can be with the more underground rock-soil layer and the body of groundwater of depths carry out exchange heat.
As one embodiment of the present invention, described geothermal source heat exchanger and described solar heat exchanger are plate type heat exchanger, described geothermal source heat exchanger is positioned at the top of described outdoor heat exchanger, and described solar heat exchanger then is positioned at the below of described outdoor heat exchanger.
As embodiments of the present invention, described hot water is positioned at the top of described heat exchange water tank.
As a kind of improvement of the present invention, the water body in the described heat exchange water tank is a pure water; Water body in the described hot water is a running water, has cold water inlet and hot water outlet on the casing of described hot water, and described cold water inlet is positioned at the bottom of box body wall, and hot water outlet is positioned at the top of box body wall, and these two box body walls are relative.The present invention adopts and produces hot water from pure water to the heat transport mode of running water, because pure water is consistent with running water specific heat capacity and heat conductivility, makes the present invention produce hot water more energy-efficiently; Owing to adopt pure water as heat exchange medium, when refrigeration, reduced the energy consumption of compressor of air conditioner to greatest extent, increase substantially the performance and the durable degree of each heat exchanger components, reduce maintenance cost.
The present invention can also do following improvement, be provided with centrifugal fan in the described indoor set, on the housing of described indoor set, have air inlet and air outlet, described air inlet is positioned at the top of housing, described air outlet is positioned at lower part of frame, described indoor heat exchanger is near described air inlet setting, and described centrifugal fan is respectively equipped with air grid near the air outlet setting on described air inlet and air outlet.
As a kind of improvement of the present invention, the housing of described off-premises station adopts insulating materials to make, and the seam areas on the described housing all seals.Can avoid heat to distribute, guarantee the stability of performance of the present invention by housing or body seam position.
Compared with prior art, tool of the present invention is that following significant effect is arranged:
(1) the present invention adopts water as heat exchange medium, when freezing and heat, is that working media cooling or intensification are compared with the existing tube-axial fan that adopts, and must reduce the power consumption of compressor of air conditioner to greatest extent, realizes energy-conservation purpose; In addition, can avoid each heat exchange device surface to produce dirt and consequently reduce heat exchange property, make performance of the present invention and durability increase substantially, maintenance cost reduces.
(2) the present invention has cancelled existing tube-axial fan, has reduced manufacturing cost, has reduced energy consumption simultaneously.
(3) the present invention adopts geothermal source heat exchanger, underground water tank and heat exchanger tube, with the geothermal source heat exchanger water storage in the underground water tank is carried the heat of water body surplus in the heat exchange water tank to underground rock-soil layer that has powerful heat storage capacity and body of groundwater in reverse heat convection mode, guaranteed stability of the present invention; And, be stored in and give indoor heating when underground heat then need to be used to and produce hot water, make underground maintenance thermal balance simultaneously, guarantee that the energy is sustainable recycling.
(4) the present invention adopts the regenerative resource heat-exchanger rig, is applicable to the extremely frigid zones urgent to the heating demand, not limited by the region.
(5) the present invention adopts and produces hot water from pure water to the heat transport mode of running water, because pure water is consistent with running water specific heat capacity and heat conductivility, makes the present invention more energy-efficient.
(6) housing of off-premises station adopts insulating materials to make, and the seam areas on the housing all seals, and has avoided heat to distribute by housing or body seam, has guaranteed the stability of performance of the present invention.
(7) the present invention can realize efficient conversion mutually between solar energy, underground heat (cold) source, air energy, makes these energy utilize with lower cost, can replace earth source heat pump, water resource heat pump and air-source water heater simultaneously, and energy savings reduces carbon emission.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is that system of the present invention forms schematic diagram.
The specific embodiment
As shown in Figure 1, it is a kind of water-cooled air-conditioning of the present invention, hot-water heating system, comprise indoor heat exchanger 3, outdoor heat exchanger 4, condenser 7, evaporimeter 6, compressor, body and air-conditioning appurtenances (not shown), the air-conditioning appurtenances generally comprise four-way change-over valve, throttling arrangement and fluid reservoir, wherein, throttling arrangement can adopt capillary or choke valve etc., body comprises off-premises station 18 and indoor set 23, compressor comprises compressor of air conditioner 1 and hot water compressor 5, compressor of air conditioner 1 and hot water compressor 5 all are positioned at outside the body, hot water compressor 5 adopts high temperature compressed machine, according to the specific (special) requirements to the hot water temperature, high temperature compressed machine can guarantee that the hot water of producing need not post bake and can use; Indoor heat exchanger 3 is arranged in indoor set 23, communicates with indoor environment; Outdoor heat exchanger 4, condenser 7 and evaporimeter 6 all are arranged in off-premises station 18, off-premises station 18 is separated into the heat exchange water tank 15 and hot water 14 that water body is housed, hot water 14 is positioned at the top of heat exchange water tank 15, condenser 7 is arranged in hot water 14, and outdoor heat exchanger 4 all is arranged in heat exchange water tank 15 with evaporimeter 6; Fluid reservoir, compressor of air conditioner 1, four-way change-over valve, outdoor heat exchanger 4, throttling arrangement and indoor heat exchanger 3 link to each other successively by pipeline and constitute a cover circulation line, and condenser 7, evaporimeter 6 and high temperature compressed machine 5 link to each other by pipeline and constitute another set of circulation line.
Water body in the heat exchange water tank 15 is a pure water 17, water body in the hot water 14 is a running water, has cold water inlet 8 and hot water outlet 9 on the casing of hot water 14, and cold water inlet 8 is positioned at the bottom of box body wall, hot water outlet 9 is positioned at the top of box body wall, and these two box body walls are relative.
Water-cooled air-conditioning, hot-water heating system also comprise the regenerative resource heat-exchanger rig that is used for carrying out with the pure water 17 of heat exchange water tank 15 heat exchange, the regenerative resource heat-exchanger rig comprises solar heat exchanger 16 and solar thermal collector 21, solar heat exchanger 16 is arranged in heat exchange water tank 15 and contacts with wherein pure water 17, and solar heat exchanger 16 is connected with solar thermal collector 21 by heat-transfer tube road 13; The regenerative resource heat-exchanger rig also comprises geothermal source heat exchanger 24 and is positioned at underground and the underground water tank 19 of water body is housed, geothermal source heat exchanger 24 is arranged in heat exchange water tank 15 and contacts with wherein pure water 17, geothermal source heat exchanger 24 is connected by circulation line 25 with underground water tank 19, circulation line 25 is two, and the mouth of pipe of circulation line 25 and underground water tank 19 links passes through hole on underground water tank 19 end faces and stretches in the water body in the underground water tank 19.Geothermal source heat exchanger 24 is plate type heat exchanger with solar heat exchanger 16, geothermal source heat exchanger 24 is positioned at the top of outdoor heat exchanger 4, and be positioned at the middle part of heat exchange water tank 15, make pure water be convenient to absorb entrained underground heat (cold) source of water storage in the underground water tank 19, solar heat exchanger 16 then is positioned at the below of outdoor heat exchanger 4, and be positioned at the bottom of heat exchange water tank 15, make pure water 17 be convenient to absorb solar energy from solar thermal collector 21; The bottom of underground water tank 19 is provided with heat exchanger tube 20, and heat exchanger tube 20 stretches out to the depths, stratum, and the lower port sealing of heat exchanger tube 20 communicates with the casing of underground water tank 19 in the body of heat exchanger tube 20, underground water tank 19 and the heat exchanger tube 20 whole closed structures that form.
Be provided with centrifugal fan 2 in the indoor set 23, on the housing of indoor set 23, have air inlet 11 and air outlet 12, air inlet 11 is positioned at the top of housing, air outlet 12 is positioned at lower part of frame, indoor heat exchanger 3 is provided with near air inlet 11, centrifugal fan 2 is provided with near air outlet 12, is respectively equipped with air grid on air inlet 11 and air outlet 12.The housing of off-premises station 18 adopts insulating materials to make, and the seam areas on the housing all seals.
Operation principle of the present invention is as follows:
1, the indoor refrigeration principle of air-conditioning system: compressor of air conditioner compresses the working media in the fluid reservoir in outdoor heat exchanger, working media heat release condensation in outdoor heat exchanger that compression heats up, condensed working media passes through the indoor heat exchanger reduction vaporization again, carry out heat exchange at the indoor indoor hot air flow that produces with the centrifugal fan rotation, room air is absorbed heat by working media and lowers the temperature, working media after the heat absorption becomes low normal pressure and temperature state and returns the next circulation of compressor of air conditioner continuation, be room temperature lowering by circulation running constantly, in this process, pure water has absorbed the condensation heat of working media; The heat that pure water carries can be in hot water running water shift, keep pure water to be in low-temperature condition, the refrigerating efficiency of air-conditioning system is had castering action;
2, air-conditioning system indoor heating principle: compressor of air conditioner compresses the working media in the fluid reservoir in indoor heat exchanger, working media heat release condensation in indoor heat exchanger that compression heats up, carry out heat exchange in the indoor indoor flow of cooled air that produces with the centrifugal fan rotation, room air is heated by working media and heats up, condensed working media is through the outdoor heat exchanger reduction vaporization, become low normal pressure and temperature state and return the next circulation of compressor of air conditioner continuation, be indoor heating by circulation running constantly, in this process, the working media evaporation has absorbed the entrained heat of pure water;
3, hot-water heating system is produced the hot water principle: high temperature compressed machine compresses working media in condenser, working media heat release condensation in condenser that compression heats up, carry out heat exchange in hot water and running water, running water is by the working media heat temperature raising, condensed working media is again through the heat absorption of evaporimeter reduction vaporization, become low normal pressure and temperature state and get back to the next circulation of high temperature compressed machine continuation, operate by continuous circulation and produce hot water;
4, the operation principle of regenerative resource heat-exchanger rig:
(1) during the indoor refrigeration of a., hot surplus phenomenon can take place in the pure water in the heat exchange water tank, utilize the water storage in the water pump (not shown) groundwater abstraction case, because the water storage in the underground water tank has carried out heat exchange by heat exchanger tube and underground rock-soil layer and body of groundwater, make the temperature and the underground environment temperature of water storage be consistent, and then the water storage in the underground water tank sent in the geothermal source heat exchanger by pipeline, carry out heat exchange with the pure water in the heat exchange water tank, water storage is got back to underground water tank by pipeline again after the heat exchange, the entrained heat of underground water tank water storage this moment carries out heat exchange by heat exchanger tube and underground rock-soil layer and body of groundwater, and underground rock-soil layer and body of groundwater absorption heat also store;
B. during indoor heating, water pump carries the water storage in the underground water tank to enter the geothermal source heat exchanger in the other direction, heat that underground rock-soil layer and body of groundwater are stored and the pure water in the heat exchange water tank carry out heat exchange, and make pure water carry heat, make that the working media in the air-conditioning system evaporates the heat that can absorb pure water;
More than running is to finish in airtight fully pipeline, can guarantee that underground water source is not polluted, and guarantees that the water storage in the underground water tank can not lose.
(2) absorb solar energy by solar thermal collector, by the heat-transfer tube road solar energy is transported to solar heat exchanger, and carry out heat exchange with pure water in the heat exchange water tank, pass through heat exchanging process, make pure water carry heat, when when heating and producing hot water, can utilize heat stored in the pure water.
Embodiments of the present invention are not limited thereto; according to foregoing of the present invention; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; the present invention can also make modification, replacement or the change of other various ways, all drops within the rights protection scope of the present invention.