Summary of the invention
At the deficiency of above existing hot-water heating system, the purpose of this invention is to provide a kind of easy to usely, more energy-conservation, be provided with built-in pair of water tank, the dual-thermal effect water heating system of two kinds of different purposes hot water can be provided simultaneously.
The objective of the invention is by realizing by the following technical solutions:
Double-tank hot-water system with double thermal effects, comprise water tank, heater and control device, water tank is provided with water inlet pipe and outlet pipe, and described water tank comprises separate domestic water water tank and heating water tank, and two water tanks are respectively equipped with heater and water inlet pipe and outlet pipe;
Be provided with heat exchanger in the described heating water tank, this heat exchanger is communicated with the equipment that hot water is provided by pipeline.
As the preferred technical solution of the present invention, described domestic water water tank is located at an end of heating water tank, is provided with insulating course between the two;
Perhaps, the domestic water water tank is located in the heating water tank;
Described domestic water water tank and heating water tank all are located in the shell, are provided with heat-insulation layer between shell and domestic water water tank and the heating water tank, and heating water tank is communicated with expansion drum by tube connector;
Be respectively equipped with heating water return mouth, heating delivery port and domestic water water supplement port, domestic hot-water's outlet on the described shell.
As the preferred technical solution of the present invention, described heater comprises electric heater;
The described equipment of hot water that provides comprises boiler, Teat pump boiler or solar thermal collector.
As the preferred technical solution of the present invention, the water inlet pipe of described domestic water water tank connects the domestic water water supplement port by the heat exchanger that is located in the heating water tank.
As the preferred technical solution of the present invention, also be provided with heat exchanger in the described domestic water water tank, this heat exchanger is connected solar thermal collector by pipeline with heat exchanger inlet and outlet on being located at shell, and the pipeline between solar thermal collector and the heat exchanger is provided with circulating pump.
As the preferred technical solution of the present invention, the insulating course between described domestic water water tank and the heating water tank is made as cylindrical convex body, and this convex body stretches in the heating water tank, is arranged with heat exchanger coils around the convex body.
As the preferred technical solution of the present invention, described domestic water water tank is located at the upper end of heating water tank, and the lower end of heating water tank is provided with blowoff valve.
As the preferred technical solution of the present invention, described Teat pump boiler comprises compressor and evaporimeter, and the pipeline between Teat pump boiler and the heating water tank heat exchanger is provided with cross valve and choke valve.
As the preferred technical solution of the present invention, also be provided with mixed water valve between heating water return mouth that described shell is provided with and the heating delivery port, mix water valve and connect circulating pump.
As the preferred technical solution of the present invention, described domestic water water supplement port is connected with check valve.
The invention has the beneficial effects as follows: with respect to prior art, the present invention has the following advantages:
1, the present invention adopts " courage in the courage " two waterbox design, will live and separate with hot water is strict with hot water and heating, and the double thermal effects hot water of different water temperatures or different quality can be provided simultaneously.
2, one group of domestic hot-water's preheat coil is set in heating water tank, domestic water enters inner bag from this coil pipe after preheating, and one group of solar heat-exchange coil pipe can also be set in inner water tank, can satisfy user's water demand fast, and is easy to use, more energy-conservation.
3, the interlayer of domestic water water tank is made as the cylindrical convex body that stretches in the heating water tank, has increased heat exchange area, has improved heat exchanger effectiveness; Be arranged with heat exchanger coils around the cylindrical convex body, can the interior water of Fast Heating domestic water water tank.
The specific embodiment
Embodiment one
As depicted in figs. 1 and 2, double-tank hot-water system with double thermal effects, comprise water tank, heater and controller, water tank is provided with water inlet pipe and outlet pipe, described water tank comprises that separate domesticwater water tank 3 and 4, two water tanks of heating water tank are respectively equipped with heater and water inlet pipe and outlet pipe; Be provided withheat exchanger 7 in the describedheating water tank 4, thisheat exchanger 7 is communicated with theequipment 13 that hot water is provided by pipeline.Described domesticwater water tank 3 andheating water tank 4 all are located in theshell 1, are provided with heat-insulation layer 2 betweenshell 1 and domesticwater water tank 3 and theheating water tank 4, andheating water tank 4 is communicated with expansion drum bytube connector 12.
The described domesticwater water tank 3 of present embodiment is located at the upper end ofheating water tank 4, is provided with insulating course between the two, and this insulating course is made as cylindrical convex body, and this convex body stretches in theheating water tank 4, is arranged withheat exchanger coils 7 around the convex body.Be respectively equipped with heatingwater return mouth 23,heating delivery port 21 and domestic waterwater supplement port 22, domestic hot-water on the describedshell 1 and export 8.The water inlet pipe of described domesticwater water tank 3 connects domestic waterwater supplement port 22 by theheat exchanger 6 that is located in theheating water tank 4, and domestic waterwater supplement port 22 is connected withcheck valve 11.
Described heater comprises theelectric heater 9 that is located in the domesticwater water tank 3, and is located at theelectric heater 10 in theheating water tank 4; The describedequipment 13 of hot water that provides comprises boiler, Teat pump boiler or solarthermal collector 20.
The lower end of the describedheating water tank 4 of present embodiment is provided with blowoff valve, and described Teat pump boiler comprisescompressor 21 andevaporimeter 17, and the pipeline in Teat pump boiler and theheating water tank 4 between theheat exchanger 7 is provided withcross valve 16 and choke valve 18.Also be provided with between described heatingwater return mouth 23 and theheating delivery port 21 andmix water valve 14,mix water valve 14 and connect circulatingpump 15.
Embodiment two
As shown in figures 1 and 3, be provided withheat exchanger 5 in the described domesticwater water tank 3 of present embodiment, thisheat exchanger 5 is connected solarthermal collector 20 by pipeline with heat exchanger inlet and outlet on being located atshell 1, pipeline between solarthermal collector 20 and theheat exchanger 5 is provided with circulatingpump 19, in time be delivered toheat exchanger 5 so that will be located at the heat of outdoor solarthermal collector 20 generations, and by the water in theheat exchanger 5 heating domestic water water tanks 3.Other embodiment is identical with embodiment one.
Water in theheating water tank 4 of the present invention is after use is filled with first, the circulation heating is used betweenheating water tank 4 and hot duct, heating radiator always, when described controller is sensed ambient temperature and is reached design temperature by temperature transducer, automatically close heating water outlet and back-water valve (BWV), stop heating, to reduce heat-energy losses, the water of the direct heating of 13 need of firing equipment in thewater tank 4, thereby the saving energy.Heating water tank 4 is provided with the water compensating valve (not shown), and when the water level in theheating water tank 4 was lower than setting value, water compensating valve was opened moisturizing automatically.