CN203364457U - Indirect heating/constant-temperature water supply type solar water heating system - Google Patents
Indirect heating/constant-temperature water supply type solar water heating system Download PDFInfo
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- CN203364457U CN203364457U CN2013204547545U CN201320454754U CN203364457U CN 203364457 U CN203364457 U CN 203364457U CN 2013204547545 U CN2013204547545 U CN 2013204547545U CN 201320454754 U CN201320454754 U CN 201320454754U CN 203364457 U CN203364457 U CN 203364457U
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- water tank
- heat
- water supply
- temperature
- solar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model relates to an indirect heating/constant-temperature water supply type solar water heating system which is characterized by comprising a solar heat collector, a buffer water tank, a plate heat exchanger, a heat accumulation water tank and a circulating pump, wherein heat absorbed by the solar heat collector is transferred to the heat accumulation water tank through the plate heat exchanger; the heat accumulation water tank is connected with a constant-temperature heat supply water tank; the constant-temperature heat supply water tank is connected with an auxiliary heat source; the buffer water tank is arranged between the solar heat collector and the plate heat exchanger; temperature sensors are arranged in the solar heat collector, the heat accumulation water tank and the constant-temperature heat supply water tank; and water level sensors are arranged in the buffer water tank, the heat accumulation water tank and the constant-temperature heat supply water tank. The solar water heating system realizes separation of circulating water and domestic water, and keeps constant-temperature water supply.
Description
Technical field
The utility model relates to a kind of indirect constant temperature water supply solar water heating system.
Background technology
There is following some shortcoming in present solar water heating system: 1, thermal-arrest recirculated water and domestic water mix; 2, thermal-arrest circulation adopts pressure bearing system, and this system cost is high, and specification requirement is high and have a potential safety hazard; 3, overtemperature protection existing problems, due to heat supply water tank and the circulation of the heat collector employing temperature difference, are not to cause heat collector excess Temperature or heat supply water tank excess Temperature when adopting overtemperature protection; 4, winterization system, traditional winterization system is that whole system is moved simultaneously, needs to consume the heat of auxiliary thermal source.Also do not have at present a kind of cost low, utilize that solar energy is abundant, result of use good, each side is considered thorough solar water heating system.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, and a kind of indirect constant temperature water supply solar water heating system is provided, and recirculated water separates with domestic water, and keeps constant temperature water supply.
For solving above technical problem, the technical solution of the utility model is: indirect constant temperature water supply solar water heating system, its difference is: it comprises solar thermal collector, buffer tank, plate type heat exchanger, heat storage water tank, circulating pump, the heat that described solar thermal collector absorbs is passed to described heat storage water tank by plate type heat exchanger, heat storage water tank is connecting described thermostat hot water supply case, the thermostat hot water supply case is connecting auxiliary thermal source, be provided with described buffer tank between solar thermal collector and plate type heat exchanger, described solar thermal collector, heat storage water tank, be provided with temperature sensor in the thermostat hot water supply case, described buffer tank, heat storage water tank, be provided with level sensor in the thermostat hot water supply case.
By above technical scheme, described auxiliary thermal source is air source heat pump.
The contrast prior art, beneficial features of the present utility model is:
1), this indirect constant temperature water supply solar water heating system, because heat storage water tank exists, thermostat hot water supply case temperature remains constant temperature, and does not worry the solar thermal collector excess Temperature;
2), this indirect constant temperature water supply solar water heating system, buffer tank is installed can make collecting system not need to use pressure bearing system also can reach its corresponding effect, and can allow the recirculated water in solar thermal collector separate with domestic water, prevent the vacuum tube fouling, domestic water is cleaner.
The accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram;
Wherein: 1-solar thermal collector, 2-buffer tank, 3-plate type heat exchanger, 4-heat storage water tank, 5-thermostat hot water supply case, 6-auxiliary thermal source.
The specific embodiment
Below by the specific embodiment, by reference to the accompanying drawings the utility model is described in further detail.
Please refer to Fig. 1, the utility model embodiment indirect constant temperature water supply solar water heating system, it comprises solar thermal collector 1, buffer tank 2, plate type heat exchanger 3, heat storage water tank 4, thermostat hot water supply case 5, circulating pump, the heat that described solar thermal collector 1 absorbs is passed to described heat storage water tank 4 by plate type heat exchanger 3, heat storage water tank 4 is connecting described thermostat hot water supply case 5, thermostat hot water supply case 5 is connecting auxiliary thermal source 6, be provided with described buffer tank 2 between solar thermal collector 1 and plate type heat exchanger 3, described solar thermal collector 1, heat storage water tank 4, be provided with temperature sensor in thermostat hot water supply case 5, described buffer tank 2, heat storage water tank 4, be provided with level sensor in thermostat hot water supply case 5.
Concrete, described auxiliary thermal source 6 is air source heat pump.
In the utility model embodiment, comprise and be arranged on outdoor solar thermal collector, buffer tank, plate type heat exchanger, heat storage water tank, the thermostat hot water supply case, auxiliary thermal source (air source heat pump), connect the direct pipeline of each equipment, circulating pump, valve fittings etc., its design feature is that the heat that solar thermal collector absorbs is passed to heat storage water tank by plate type heat exchanger, after the heat storage water tank temperature raises, temperature is reached to the hot water that is applicable to using and pass to the thermostat hot water supply case, when reducing, thermostat hot water supply case temperature supplied by auxiliary thermal source, utilize more solar heat, only have when solar energy is not enough, auxiliary thermal source is just opened.Buffer tank is installed and can be made collecting system not need to use pressure bearing system also can reach its corresponding effect, and can allow the recirculated water in solar thermal collector separate with domestic water, prevent the vacuum tube fouling, domestic water is cleaner.During preventing freeze in winter, only need to open the thermal-arrest circulating pump and get final product, can not replace the heat of heat storage water tank, more do not need to consume the heat of auxiliary thermal source.
The utility model utilizes solar energy more fully, has solved the problems such as safety, technology and installation cost height that pressure bearing system exists, need to be by the heat of supplementary energy during preventing freeze in winter.
The utility model embodiment course of work:
1), between solar thermal collector and heat storage water tank:
As solar thermal collector temperature T 1-heat storage water tank T2 > 10 ℃ times, circulating pump P1, P2 move simultaneously, by plate type heat exchanger by the solar thermal collector temperature transition in heat storage water tank; When solar thermal collector temperature T 1-heat storage water tank T2<6 ℃, circulating pump P1, P2 are simultaneously out of service.
2), solar thermal collector moisturizing (buffer tank moisturizing):
When buffer tank liquid level Y1<50%, magnetic valve F1 opens, and starts to the buffer tank moisturizing; As buffer tank liquid level Y1 > 80% the time, magnetic valve F1 disconnects, and stops to the buffer tank moisturizing.
3), between heat storage water tank and thermostat hot water supply case:
When heat storage water tank temperature T 2 > thermostat hot water supply case design temperature is when (as water requirements is 55 ℃), and heat transfer cycle pump P3 operation, to thermostat hot water supply case concurrent heating water; When heat storage water tank temperature T 2<thermostat hot water supply case design temperature, when (as water requirements is 55 ℃), P3 is out of service for the heat transfer cycle pump, stops to thermostat hot water supply case concurrent heating water.
When thermostat hot water supply case liquid level Y3<30%, the forced service of heat transfer cycle pump is not (even the heat storage water tank temperature reaches the water requirement, this setting is to utilize more solar heat, allows thermostat hot water supply case moisturizing initial temperature higher than the running water temperature) to the moisturizing of thermostat hot water supply case; As thermostat hot water supply case liquid level Y3 > 50% the time, the heat transfer cycle pump is out of service, stops to thermostat hot water supply case concurrent heating water.
4), heat storage water tank moisturizing:
When heat storage water tank liquid level Y2<80%, magnetic valve F2 opens, and starts to the heat storage water tank moisturizing; As heat storage water tank liquid level Y2 > 100% the time, magnetic valve F2 disconnects, and stops to the heat storage water tank moisturizing.
5), thermostat hot water supply case insulation:
When thermostat hot water supply case temperature T 3<water requirements temperature, auxiliary thermal source (air source heat pump) moves with auxiliary thermal source circulating pump P4 simultaneously, gives the heating of thermostat hot water supply case; When thermostat hot water supply case temperature T 3 > water requirements temperature, auxiliary thermal source (air source heat pump) is simultaneously out of service with auxiliary thermal source circulating pump P4, stops heating to the thermostat hot water supply case.
6), water supply backwater:
When return water temperature T4<5 ℃ of water requirements temperature, on return pipe, magnetic valve is opened; When return water temperature T4=water requirements temperature, on return pipe, magnetic valve disconnects.
7), winterization system:
When 1<2 ℃ of solar thermal collector temperature T, thermal-arrest circulating pump P1 adopts intermittently starting, opens 10 minutes, stops 30 minutes.
8), anti-overtemperature protection:
Because heat storage water tank exists, thermostat hot water supply case temperature remains constant temperature.And do not worry the solar thermal collector excess Temperature, heat storage water tank can address these problems.
Above content is the further description of the utility model being done in conjunction with concrete embodiment, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the those of ordinary skill of the technical field under the utility model, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (2)
1. indirect constant temperature water supply solar water heating system, it is characterized in that: it comprises solar thermal collector, buffer tank, plate type heat exchanger, heat storage water tank, circulating pump, the heat that described solar thermal collector absorbs is passed to described heat storage water tank by plate type heat exchanger, heat storage water tank is connecting described thermostat hot water supply case, the thermostat hot water supply case is connecting auxiliary thermal source, be provided with described buffer tank between solar thermal collector and plate type heat exchanger, described solar thermal collector, heat storage water tank, be provided with temperature sensor in the thermostat hot water supply case, described buffer tank, heat storage water tank, be provided with level sensor in the thermostat hot water supply case.
2. indirect constant temperature water supply solar water heating system as claimed in claim 1, it is characterized in that: described auxiliary thermal source is air source heat pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204547545U CN203364457U (en) | 2013-07-29 | 2013-07-29 | Indirect heating/constant-temperature water supply type solar water heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204547545U CN203364457U (en) | 2013-07-29 | 2013-07-29 | Indirect heating/constant-temperature water supply type solar water heating system |
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| CN203364457U true CN203364457U (en) | 2013-12-25 |
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| CN2013204547545U Expired - Fee Related CN203364457U (en) | 2013-07-29 | 2013-07-29 | Indirect heating/constant-temperature water supply type solar water heating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791728A (en) * | 2013-12-27 | 2014-05-14 | 陕西大唐新能电力设计有限公司 | Waste heat recovery method for rotary cement kiln |
| CN103836696A (en) * | 2014-03-17 | 2014-06-04 | 中国建筑第八工程局有限公司 | Combined type heating system for plateau area and control method thereof |
| CN106247425A (en) * | 2016-08-31 | 2016-12-21 | 中国电建集团西北勘测设计研究院有限公司 | A kind of solar thermal collector auxiliary heating energy saver |
| CN112378080A (en) * | 2020-11-03 | 2021-02-19 | 上海交通大学 | High-temperature heat pump system based on photovoltaic/photothermal heat collection/evaporator |
-
2013
- 2013-07-29 CN CN2013204547545U patent/CN203364457U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791728A (en) * | 2013-12-27 | 2014-05-14 | 陕西大唐新能电力设计有限公司 | Waste heat recovery method for rotary cement kiln |
| CN103836696A (en) * | 2014-03-17 | 2014-06-04 | 中国建筑第八工程局有限公司 | Combined type heating system for plateau area and control method thereof |
| CN103836696B (en) * | 2014-03-17 | 2016-06-15 | 中国建筑第八工程局有限公司 | Highlands combined type heating system and control method thereof |
| CN106247425A (en) * | 2016-08-31 | 2016-12-21 | 中国电建集团西北勘测设计研究院有限公司 | A kind of solar thermal collector auxiliary heating energy saver |
| CN106247425B (en) * | 2016-08-31 | 2022-02-01 | 中国电建集团西北勘测设计研究院有限公司 | Auxiliary heating energy-saving device of solar heat collector |
| CN112378080A (en) * | 2020-11-03 | 2021-02-19 | 上海交通大学 | High-temperature heat pump system based on photovoltaic/photothermal heat collection/evaporator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20170729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |