Supplying heat source of saving water and energy and hot water apparatus
Technical field
The utility model relates to a kind of supplying heat source of saving water and energy and hot water apparatus that utilizes domestic water as low-temperature heat source.
Background technology
Raising along with living standards of the people, Home Heating and hot water supply have become an indispensable part in modern's habitat environment, China northeast particularly, Tibet and the higher mountain and forest region of most of height above sea level, need to consume a large amount of domestic hot-waters, winter, most autumn and spring, that is there is 2/3rds weather to need heating in 1 year, substantially do not need cooling summer, some area does not have the condition of central heating again, if using the air source heat pump system heating is that low-temperature heat source adopts outdoor atmosphere, the performance of system changes obviously with outdoor climate, reduction along with outdoor temperature, its evaporating temperature also decreases, and the evaporator surface temperature descends thereupon, even is lower than 0 ℃, when outdoor air is flowed through evaporimeter when being cooled, its contained moisture will separate out and depend on evaporator surface and form the frost layer, when outside air temperature is lower than-10~-15 ℃, and the source pump cisco unity malfunction.Have a strong impact on the performance and normal use of system, bring inconvenience.If but adopt the low-temperature heat source of water source as the heat pump heating, and will consume great amount of water resources, do not meet the demand of sustainable development.And water heater mostly is the hot water supply system as independent thermal source such as electric heater, gas heater.Therefore, the energy problem and the environmental pollution that bring of the electric energy of Home Heating and hot water consumption should cause concern.In recent years, the researcher has done some relevant work, but specific embodiment all is not provided.
The utility model content
The utility model is in order to overcome weak point of the prior art; provide a kind of domestic water that utilizes as low-temperature heat source, simple in structure, easy to operate; the protection environment, the collection heat supply of energy savings and hot-water supply are the supplying heat source of saving water and energy and the hot water apparatus of one.
The utility model is achieved through the following technical solutions:
A kind of supplying heat source of saving water and energy and hot water apparatus is characterized in that, are made up of heat supply circulation, hot water circuit and domestic water circulation; Described heat supply circulation is to utilize CO
2The critical cycle of striding for working medium, comprise compressor, oil eliminator, shell and tube heat exchanger, fin tube type heat exchanger, device for drying and filtering, expansion valve, evaporation coil, the exhaust outlet of compressor is connected with the inlet of oil eliminator, the gas vent of oil eliminator is divided into two-way, first control valve of leading up to is connected with the pipe side entrance of shell and tube heat exchanger, another road is connected with the inlet of fin-tube heat exchanger by second control valve, the pipe side outlet of shell and tube heat exchanger is connected with the inlet of fin tube type heat exchanger, the outlet of fin tube type heat exchanger successively with device for drying and filtering, expansion valve is connected with the inlet of evaporation coil, the outlet of evaporation coil is connected with the inlet of compressor, and the lubricating oil outlet of oil eliminator is connected with the oil return of compressor inlet; Described hot water circuit comprises boiler, water pump, the 3rd control valve, shell and tube heat exchanger, the inlet of described water pump is connected with the cooling water outlet of boiler, the outlet of water pump is connected with the shell-side of shell and tube heat exchanger inlet, the shell-side outlet of shell and tube heat exchanger is connected with the hot water inlet of boiler by the 3rd control valve, and the filler of boiler is connected additional required cold water with running water pipe; Described domestic water circulation comprises water closet, water storage tank, shower cylinder, washbowl, vegetable sink, the hot water outlet of boiler is connected in parallel through the inlet of separately stop valve and washbowl, shower cylinder, vegetable sink respectively, the outlet of washbowl, shower cylinder, vegetable sink is parallel-connected to the water inlet of water storage tank, the delivery port of water storage tank is connected with the water injection valve of water closet, and the water storage tank is provided with discharge outlet.
Described boiler is surrounded by the insulation layer outward.
Be provided with the water temperature sensor in the boiler, the water temperature sensor is connected with the water temperature display panel of boiler outer surface.
Described water storage tank hot water inlet is provided with screen pack.
Be provided with electrical auxiliary heater in the described boiler, the control element of electrical auxiliary heater is connected with the water temperature sensor.
In the described water storage tank ball-cock assembly is installed.
The utlity model has following technique effect:
1, the utility model supplying heat source of saving water and energy and hot water apparatus are to utilize a large amount of bath waters, vegetable washing water and the face washing water etc. that consume in the life still to have the low-temperature heat source of the warm water of higher temperature as the circulatory system, increase the temperature difference between low-temperature heat source and evaporating temperature, improve evaporating temperature, reduce the pressure ratio of compressor suction, exhaust, reduce the mechanical power that compressor consumes, reduce the consumption of electric energy, energy savings.
2, supplying heat source of saving water and energy of the present utility model and hot water apparatus adopt green natural refrigerant CO
2For the critical cycle of striding of working medium, utilize CO
2Variations in temperature bigger in the gas cooled process heats the domestic hot-water, a kind of multi-functional environmental protection that heat supply and heat supply water are one, energy-saving domestic heat system of collecting is provided, avoid the waste of the energy and water resource, reduced cost greatly, satisfied the requirement of environmental protection and low carbon development.
3, supplying heat source of saving water and energy of the present utility model and hot water apparatus are simple in structure, easy to operate, environmental protection and energy saving, and convenient control, safe and reliable.
Description of drawings
The supplying heat source that Fig. 1 saves water and energy for the utility model and the schematic diagram of hot water apparatus;
Fig. 2 is the adapter schematic diagram of water storage tank;
Fig. 3 is the adapter schematic diagram of boiler.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
Fig. 1 to Fig. 3 is the schematic diagram of supplying heat source of saving water and energy of the present utility model and hot water apparatus, is made up of heat supply circulation, hot water circuit and domestic water circulation.Described heat supply circulation is to utilize CO
2The critical cycle of striding for working medium, comprise compressor 1, oil eliminator 2, shell and tube heat exchanger 3, fin tube type heat exchanger 4, device for drying and filtering 20, expansion valve 15, evaporation coil 14, the exhaust outlet of compressor 1 is connected with the inlet of oil eliminator 2, the gas vent of oil eliminator 2 is divided into two-way, first control valve 31 of leading up to is connected with the pipe side entrance of shell-tube type heat exchange 3 devices, another road is connected with the inlet of fin-tube heat exchanger 4 by second control valve 30, the pipe side outlet of shell and tube heat exchanger 3 is connected with the inlet of fin tube type heat exchanger 4, the outlet of fin tube type heat exchanger 4 successively with device for drying and filtering 20, expansion valve 15 is connected with the inlet 25 of evaporation coil 14, the outlet 21 of evaporation coil 14 is connected with the inlet of compressor 1, and the lubricating oil outlet of oil eliminator 2 is connected with the oil return inlet of compressor 1.Described hot water circuit comprises boiler 6, water pump 5, the 3rd control valve 8, shell and tube heat exchanger 3, the inlet of water pump 5 is connected with the cooling water outlet 27 of boiler 6, the outlet of water pump 5 is connected with the shell-side inlet of shell and tube heat exchanger 3, the shell-side outlet of shell and tube heat exchanger 3 is connected with the hot water inlet 26 of boiler 6 by the 3rd control valve 8, and the filler 28 of boiler is connected additional required cold water with running water pipe.Described domestic water circulation comprises water closet 12, water storage tank 16, shower cylinder 17, washbowl 18, vegetable sink 19, the hot water outlet 29 of boiler 6 is connected in parallel with the inlet of washbowl, shower cylinder, vegetable sink through stop valve 9, stop valve 10, stop valve 11 respectively, the outlet of washbowl, shower cylinder, vegetable sink is parallel-connected to the water inlet 22 of water storage tank, the delivery port 23 of water storage tank is connected with the water injection valve 13 of water closet, and the water storage tank is provided with discharge outlet 24.
In the described water storage tank ball-cock assembly is installed.
Be provided with electrical auxiliary heater 7 in the described boiler.
Described boiler 6 is outer to be surrounded by the insulation layer, and the heat that prevents hot water distributes and causes heat loss, causes the waste of the energy.Be provided with the water temperature in the water temperature sensor sensing water tank in the boiler 6, described water temperature sensor is connected with the water temperature display panel of boiler 6 outer surfaces and the control element of electrical auxiliary heater 7, and by the automatic displays temperature of water temperature display panel, when water temperature can not meet the demands, connect 7 pairs of water of electrical auxiliary heater automatically and heat.Described water storage tank 16 hot water inlets 22 are provided with screen pack, filter foreign material and cleaning regularly.
When the room need heat, start compressor and open the 3rd control valve 8 automatically and start water pump 5 simultaneously, the CO of the HTHP that compressor 1 is discharged
2Gas is isolated in oil eliminator 2 and is entered the water that flows between shell and tube heat exchanger 3 and pipe shell pipe behind the lubricating oil of carrying secretly and carry out entering fin tube type heat exchanger 4 after heat is emitted in heat exchange, with the air heat exchange in the room, for the room provides thermal source, drying filter 20 dry filters, become the fluid of low-temp low-pressure to enter evaporation coil 14 through expansion valve 15 throttling step-downs, the heat of vaporization that absorbs water storage tank 16 becomes the CO of low-temp low-pressure
2Gas is got back to compressor.For guaranteeing the lubricants capacity of compressor, isolated lubricating oil returns compressor in time in the oil eliminator 2.
Water in the described boiler 6 is transported to the shell-side space and the CO that manages interior HTHP of shell and tube heat exchanger 3 by water pump 5
2The gas heat exchange, absorb and get back in the boiler 6 after the heat temperature raises, enter washbowl 18, shower cylinder 17, vegetable sink 19 respectively for different uses through stop valve 9, stop valve 10, stop valve 11, the warm water that washbowl 18, shower cylinder 17, vegetable sink 19 flow out enters the CO that manages interior low-temp low-pressure in the water storage tank 16 with evaporation coil 14
2After heat is emitted in the gas heat exchange, enter in the tank of water closet 12 through the water injection valve 13 of water closet 12.Water level in the water storage tank 16 is controlled by ball-cock assembly, when water level surpasses maximum height limit, automatically discharges through discharge outlet 24.
Boiler 6 is provided with temperature and shows and temperature sensor, and when the hot water large usage quantity, the water temperature in the boiler 6 reduces, if can't satisfy the demand, then enables electrical auxiliary heater 7 auxiliary heating automatically.Less when the hot water consumption, water temperature raises, and then closes first control valve 31 automatically, opens second control valve 30, closes the 3rd control valve 8 and water pump 5 simultaneously.Make the CO of the HTHP of compressor discharge
2Gas does not enter shell and tube heat exchanger 3, and enters fin tube type heat exchanger 4, and for the room provides thermal source, when the temperature in room reached requiring of setting, heat supply circulation autostop was realized the automatic adjusting of energy.
Although relate to a kind of supplying heat source of saving water and energy and hot water apparatus has carried out special description to disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.