CN113932459A - Novel water-saving and energy-saving solar water heating system and use method thereof - Google Patents
Novel water-saving and energy-saving solar water heating system and use method thereof Download PDFInfo
- Publication number
- CN113932459A CN113932459A CN202111231867.4A CN202111231867A CN113932459A CN 113932459 A CN113932459 A CN 113932459A CN 202111231867 A CN202111231867 A CN 202111231867A CN 113932459 A CN113932459 A CN 113932459A
- Authority
- CN
- China
- Prior art keywords
- water
- saving
- pipe
- energy
- temperature sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/30—Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/70—Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a novel water-saving and energy-saving solar water heating system and a using method thereof, and the novel water-saving and energy-saving solar water heating system comprises a solar water heater, a water inlet and outlet pipe, a water saving pipe, an energy-saving pump, an electromagnetic valve and a controller, wherein the water saving pipe comprises an inner pipe and an outer pipe, the solar water heater is respectively connected with the water inlet of the inner pipe and the water inlet of the outer pipe, the water outlet of the inner pipe and the water outlet of the outer pipe are respectively connected with the inlet and the outlet of the energy-saving pump, the water outlet of the inner pipe is also connected with the electromagnetic valve, the outlet of the electromagnetic valve is connected with the water inlet and outlet pipe, a first temperature sensor and a second temperature sensor are respectively arranged in the solar water heater and the water outlet of the inner pipe, and the controller is respectively connected with the first temperature sensor, the second temperature sensor, the energy-saving pump and the electromagnetic valve. The cold-hot water circulating heat exchange device has a cold-hot water circulating heat exchange function, does not need to discharge cold water, saves a large amount of water resources, only consumes very little energy of the energy-saving pump in the circulating heat exchange process, has good energy-saving property, and realizes energy conservation and emission reduction.
Description
Technical Field
The invention belongs to the technical field of solar photo-thermal, and particularly relates to a novel water-saving and energy-saving solar water heating system and a using method thereof.
Background
The solar water heating system is a heating device which converts solar energy into heat energy and heats water from low temperature to high temperature so as to meet the requirement of hot water in life and production of people. The solar water heater is divided into a vacuum tube type solar water heater and a flat plate type solar water heater according to the structural form, and the vacuum tube type solar water heater is mainly used at present. The vacuum tube type domestic solar water heater is composed of heat collecting tube, water storage tank and support, and can convert solar energy into heat energy, and mainly depends on the vacuum heat collecting tube, and the vacuum heat collecting tube can utilize the principle of that hot water floats upwards and cold water sinks to make water produce microcirculation to obtain the required hot water.
However, the existing solar water heating system has the following problems in the use process:
1. the hot water pipeline is generally as long as more than ten meters, low-temperature water stored in the hot water pipeline needs to be discharged in each use, the outlet water temperature of the hot water pipeline needs a period of time to meet the use requirement, the outlet water before the use also needs to be discharged, so that great water resource waste is caused, and a certain degree of energy also needs to be consumed in the cold water discharging process.
2. In northern areas, due to cold climate, an electric heating anti-freezing belt needs to be laid on an outdoor pipeline of a solar water heater, although the electric heating anti-freezing belt can play an anti-freezing effect to a certain extent, a large amount of electric energy is consumed for the running of the electric heating anti-freezing belt
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the novel water-saving and energy-saving solar water heating system and the using method thereof are provided, the hot and cold water circulating heat exchange function is realized, cold water does not need to be discharged, a large amount of water resources are saved, only very little energy-saving pump energy is consumed in the circulating heat exchange process, and the energy-saving solar water heating system has good energy saving performance.
The technical scheme is as follows: in order to achieve the purpose, the invention provides a novel water-saving and energy-saving solar water heating system, which comprises a solar water heater, a water inlet pipe, a water outlet pipe, a water saving pipe, an energy-saving pump, an electromagnetic valve and a controller, the water-saving pipe comprises an inner pipe and an outer pipe, the solar water heater is respectively connected with the water inlet of the inner pipe and the water inlet of the outer pipe, the water outlet of the inner pipe and the water outlet of the outer pipe are respectively connected with the inlet and the outlet of the energy-saving pump, the water outlet of the inner pipe is also connected with an electromagnetic valve, the outlet of the electromagnetic valve is connected with a water inlet and outlet pipe, a first temperature sensor and a second temperature sensor are respectively arranged in the solar water heater and the water outlet of the inner pipe, the controller is respectively connected with the first temperature sensor, the second temperature sensor, the energy-saving pump and the electromagnetic valve, the controller is used for controlling the energy-saving pump and the electromagnetic valve according to the sensing data of the first temperature sensor and the second temperature sensor.
Further, the water-saving pipe is of a sleeve type structure. Non-double-tube construction is also possible.
Furthermore, the water outlet of the inner pipe is connected with the electromagnetic valve through a tee joint.
Further, a using method of the novel water-saving and energy-saving solar water heating system comprises three operation methods of a water-saving mode, a water supply mode and a water inlet mode;
the operation method of the water-saving mode specifically comprises the following steps: the electromagnetic valve is closed through the controller, the energy-saving pump is started, water in the solar water heater flows into the inner pipe of the water-saving pipe, the water in the inner pipe enters the energy-saving pump, is pumped into the outer pipe of the water-saving pipe after being pressurized through the energy-saving pump, the water in the outer pipe exchanges heat with the water in the inner pipe, and finally enters the solar water heater to exchange heat and mass of the water, and circulation is completed;
the operation method of the water supply mode specifically comprises the following steps: the energy-saving pump is closed through the controller, the electromagnetic valve is opened, water in the solar water heater enters the inner pipe of the water-saving pipe, flows to the electromagnetic valve and then enters the water inlet and outlet pipe, and the required isothermal hot water is supplied through the water inlet and outlet pipe;
the operation method of the water inlet mode specifically comprises the following steps: the energy-saving pump is closed through the controller, the electromagnetic valve is opened, cold water flows to the electromagnetic valve from the water inlet and outlet pipe and then enters the inner pipe of the water-saving pipe, enters the solar water heater through the water pipe to set the water level, and is full of the communicating pipeline.
Further, the triggering conditions of the water saving mode are as follows: the controller acquires temperature data of the first temperature sensor and the second temperature sensor, and the temperature difference data of the first temperature sensor and the second temperature sensor exceeds a set value (preferably 3-5 ℃).
Further, the triggering conditions of the water supply mode are as follows: the controller acquires temperature data of the first temperature sensor and the second temperature sensor, and the temperature difference data of the first temperature sensor and the second temperature sensor is smaller than a set value (preferably 3-5 ℃).
Furthermore, the system also comprises an anti-freezing mode, and the operation method comprises the following specific steps: the controller obtains temperature data of the first temperature sensor and the second temperature sensor, when the temperature data of the first temperature sensor and the second temperature sensor are close to 0 ℃, the electromagnetic valve is closed through the controller, the energy-saving pump is started, water in the solar water heater flows into the inner pipe of the water-saving pipe, the water in the inner pipe enters the energy-saving pump, the water is pumped into the outer pipe of the water-saving pipe after being pressurized through the energy-saving pump, the water in the outer pipe and the water in the inner pipe exchange heat, the water finally enters the solar water heater to exchange heat and mass, circulation is completed, and the fact that the water temperature of the whole water heater system is higher than 0 ℃ is guaranteed to be not frozen.
Because of the unique structure of the water-saving pipe in the system, the water in the outer pipe and the water in the inner pipe can exchange heat in the flowing process, so that the isothermal speed can be accelerated, the heat leakage loss is reduced, and the energy-saving effect is achieved.
Has the advantages that: compared with the prior art, the invention realizes the temperature rise and the recycling of cold water by the heat exchange of cold water in the water-saving pipe and hot water in the water-saving pipe through the ingenious design of the water-saving pipe, the energy-saving pump, the electromagnetic valve and the controller, and has the following advantages:
1. the process of discharging cold water is not needed, and a large amount of water resources are saved.
2. The process of discharging cold water is not needed, and only very little energy of the energy-saving pump is needed to be consumed in the process of circulating heat exchange, so that the energy-saving device has very good energy-saving property.
3. The water in the outer pipe and the water in the inner pipe can exchange heat in the flowing process, so that the isothermal speed can be accelerated, the heat leakage loss is reduced, and the energy-saving effect is achieved.
4. The anti-freezing device has the anti-freezing mode, only very little energy-saving pump energy and electromagnetic valve energy are consumed during the operation of the anti-freezing mode, an electric heating anti-freezing belt is avoided, the problem that a large amount of electric energy is consumed by the electric heating anti-freezing belt is solved, the energy consumption is effectively saved, and the anti-freezing device is very suitable for regions with cold climate.
Drawings
FIG. 1 is a schematic view of a water-saving and energy-saving solar water heating system according to the present invention in a water outlet state;
FIG. 2 is a schematic view of the water-saving and energy-saving solar water heating system according to the present invention in a water inlet state;
FIG. 3 is a schematic view of the water and energy saving solar water heating system of the present invention in an anti-freeze mode;
the system comprises a solar water heater 1, a water-saving pipe 2, an inner pipe 21, an outer pipe 22, an energy-saving pump 3, an electromagnetic valve 4, a water inlet pipe 5, a water outlet pipe 6, a controller 7, a first temperature sensor 8 and a second temperature sensor 8.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
As shown in fig. 1 and 2, the invention provides a novel water-saving and energy-saving solar water heating system, which comprises a solar water heater 1, a water inlet and outlet pipe 5, a water-saving pipe 2, an energy-saving pump 3, an electromagnetic valve 4 and a controller 6, wherein the water-saving pipe 2 is of a sleeve type structure and comprises an inner pipe 21 and an outer pipe 22, the solar water heater 1 is respectively connected with a water inlet of the inner pipe 21 and a water inlet of the outer pipe 22 through pipelines, a water outlet of the inner pipe 21 and a water outlet of the outer pipe 22 are respectively connected with an inlet and an outlet of the energy-saving pump 3, a water outlet of the inner pipe 21 is connected with an inlet of the electromagnetic valve 4 through a tee joint, an outlet of the electromagnetic valve 4 is connected with the water inlet and outlet pipe 5, a first temperature sensor 7 and a second temperature sensor 8 are respectively arranged in the solar water heater 1 and the water outlet of the inner pipe 21, the controller 6 is respectively connected with the first temperature sensor 7, the second temperature sensor 8, the energy-saving pump 3 and the electromagnetic valve 4, the controller 6 is used for controlling the energy-saving pump 3 and the electromagnetic valve 4 according to the sensed temperature data of the first temperature sensor 7 and the second temperature sensor 8.
In this embodiment, the solar water heating system is installed and applied in an example, the system includes a water saving mode, a water supply mode, a water inlet mode and an anti-freezing mode, and the operation method of each mode is as follows:
as shown in fig. 1, when the controller 6 acquires temperature data of the first temperature sensor 7 and the second temperature sensor 8, and temperature difference data of the first temperature sensor 7 and the second temperature sensor 8 exceeds a set value of 5 ℃, the water saving mode is triggered, and the operation method of the water saving mode specifically includes: the electromagnetic valve 4 is closed through the controller 6, the energy-saving pump 3 is started, hot water in the solar water heater 1 flows into the inner pipe 21 of the water-saving pipe 2, water in the inner pipe 21 enters the energy-saving pump 3, the hot water is pumped into the outer pipe 22 of the water-saving pipe 2 after being pressurized through the energy-saving pump 3, the water in the outer pipe 22 exchanges heat with the water in the inner pipe 21, and finally the water enters the solar water heater 1 to exchange heat and mass of the water, so that circulation is completed.
As shown in fig. 1, the controller 6 obtains temperature data of the first temperature sensor 7 and the second temperature sensor 8, and when the temperature difference data of the first temperature sensor 7 and the second temperature sensor 8 is less than a set value of 3 ℃, the water supply mode is triggered, and the operation method of the water supply mode specifically comprises the following steps: the controller 6 closes the energy-saving pump 3, opens the electromagnetic valve 4, hot water in the solar water heater 1 enters the inner pipe 21 of the water-saving pipe 2, flows to the electromagnetic valve 4 and then enters the water inlet and outlet pipe 5, and the required isothermal hot water is supplied through the water inlet and outlet pipe 5.
As shown in fig. 2, when cold water needs to be supplemented into the solar water heater 1, a water inlet mode is triggered, and the operation method of the water inlet mode specifically comprises the following steps: the energy-saving pump 3 is closed through the controller 6, the electromagnetic valve 4 is opened, cold water flows to the electromagnetic valve 4 from the water inlet and outlet pipe 5 and then enters the inner pipe 21 of the water-saving pipe 2, and enters the solar water heater 1 through the water pipe to set the water level and simultaneously fills the communicating pipeline.
As shown in fig. 3, the controller 6 acquires temperature data of the first temperature sensor 7 and the second temperature sensor 8, and when the temperature data of the first temperature sensor 7 and the second temperature sensor 8 is close to 0 ℃, the controller triggers an anti-freeze mode, where the operation method of the anti-freeze mode specifically includes: the electromagnetic valve 4 is closed through the controller 6, the energy-saving pump 3 is started, water in the solar water heater 1 flows into the inner pipe 21 of the water-saving pipe 2, the water in the inner pipe 21 enters the energy-saving pump 3, the water is pumped into the outer pipe 22 of the water-saving pipe 2 after being pressurized through the energy-saving pump 3, the water in the outer pipe 22 exchanges heat with the water in the inner pipe 21, and finally the water enters the solar water heater 1 to exchange heat and mass of the water, so that circulation is completed, and the water temperature of the whole water heater system is guaranteed to be higher than 0 ℃ and not to be frozen.
In order to verify the effect of the system, the solar water heating system is compared with the existing solar water heating system, the water storage amount of the existing solar water heating system is 0.113kg per 1m length calculated by a typical phi 12mm water pipe in the using process, and if the length of the solar water heating pipe is averagely 15m, about 1.7kg of water is wasted per use. If the water is used for 6 times per day on average, 10.2kg of water is wasted per day, 360kg of water is wasted per month, 4320kg of water is wasted per year, actually, due to heat leakage of pipelines, actual water drainage is not only water in the pipelines, and the water is much larger in winter; 43200kg of water is wasted in 10 years. The solar water heating system can avoid the waste of water.
The solar water heating system of the invention is compared with the prior solar water heating system in terms of energy consumption, and the energy can be saved by 6.32 multiplied by 10 every year according to the estimation of 35 ℃ of the temperature difference between the drainage of the solar water heater and the environment5kJ, reducing 53.9kg of carbon dioxide emission; can save energy by 6.32 multiplied by 10 years6kJ, and reducing the emission of carbon dioxide 539 kg. Because the use amount of the existing solar water heater is nearly hundred million, the energy-saving effect brought by the invention is huge.
Claims (7)
1. A novel water-saving and energy-saving solar water heating system, which comprises a solar water heater, a water inlet pipe, a water outlet pipe, it is characterized by also comprising a water-saving pipe, an energy-saving pump, an electromagnetic valve and a controller, wherein the water-saving pipe comprises an inner pipe and an outer pipe, the solar water heater is respectively connected with the water inlet of the inner pipe and the water inlet of the outer pipe, the water outlet of the inner pipe and the water outlet of the outer pipe are respectively connected with the inlet and the outlet of the energy-saving pump, the water outlet of the inner pipe is also connected with an electromagnetic valve, the outlet of the electromagnetic valve is connected with a water inlet pipe and a water outlet pipe, a first temperature sensor and a second temperature sensor are respectively arranged in the solar water heater and the water outlet of the inner pipe, the controller is respectively connected with the first temperature sensor, the second temperature sensor, the energy-saving pump and the electromagnetic valve, the controller is used for controlling the energy-saving pump and the electromagnetic valve according to the sensing data of the first temperature sensor and the second temperature sensor.
2. A novel water and energy saving solar water heating system according to claim 1, characterized in that the water saving pipe is of a sleeve type structure.
3. The novel water-saving and energy-saving solar water heating system as claimed in claim 1, wherein the water outlet of the inner pipe is connected with the electromagnetic valve through a tee.
4. A use method of a novel water-saving and energy-saving solar water heating system is characterized by comprising three operation methods of a water-saving mode, a water supply mode and a water inlet mode;
the operation method of the water-saving mode specifically comprises the following steps: the electromagnetic valve is closed through the controller, the energy-saving pump is started, water in the solar water heater flows into the inner pipe of the water-saving pipe, the water in the inner pipe enters the energy-saving pump, is pumped into the outer pipe of the water-saving pipe after being pressurized through the energy-saving pump, the water in the outer pipe exchanges heat with the water in the inner pipe, and finally enters the solar water heater to exchange heat and mass of the water, and circulation is completed;
the operation method of the water supply mode specifically comprises the following steps: the energy-saving pump is closed through the controller, the electromagnetic valve is opened, water in the solar water heater enters the inner pipe of the water-saving pipe, flows to the electromagnetic valve and then enters the water inlet and outlet pipe, and the required isothermal hot water is supplied through the water inlet and outlet pipe;
the operation method of the water inlet mode specifically comprises the following steps: the energy-saving pump is closed through the controller, the electromagnetic valve is opened, cold water flows to the electromagnetic valve from the water inlet and outlet pipe and then enters the inner pipe of the water-saving pipe, enters the solar water heater through the water pipe to set the water level, and is full of the communicating pipeline.
5. The use method of the novel water-saving and energy-saving solar water heating system according to claim 4, characterized in that the triggering conditions of the water-saving mode are as follows: the controller acquires temperature data of the first temperature sensor and the second temperature sensor, and the temperature difference data of the first temperature sensor and the second temperature sensor exceeds a set value.
6. The use method of the novel water-saving and energy-saving solar water heating system according to claim 4, characterized in that the triggering conditions of the water supply mode are as follows: the controller acquires temperature data of the first temperature sensor and the second temperature sensor, and the temperature difference data of the first temperature sensor and the second temperature sensor is smaller than a set value.
7. The use method of the novel water-saving and energy-saving solar water heating system according to claim 4, further comprising an operation method of an anti-freezing mode, specifically comprising the following steps: the controller obtains temperature data of the first temperature sensor and the second temperature sensor, when the temperature data of the first temperature sensor and the second temperature sensor are close to 0 ℃, the electromagnetic valve is closed through the controller, the energy-saving pump is started, water in the solar water heater flows into the inner pipe of the water-saving pipe, the water in the inner pipe enters the energy-saving pump, the water is pumped into the outer pipe of the water-saving pipe after being pressurized through the energy-saving pump, the water in the outer pipe and the water in the inner pipe exchange heat, and finally the water enters the solar water heater to exchange heat and mass, so that circulation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111231867.4A CN113932459A (en) | 2021-10-22 | 2021-10-22 | Novel water-saving and energy-saving solar water heating system and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111231867.4A CN113932459A (en) | 2021-10-22 | 2021-10-22 | Novel water-saving and energy-saving solar water heating system and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113932459A true CN113932459A (en) | 2022-01-14 |
Family
ID=79283730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111231867.4A Pending CN113932459A (en) | 2021-10-22 | 2021-10-22 | Novel water-saving and energy-saving solar water heating system and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113932459A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176372A (en) * | 1997-04-17 | 1998-03-18 | 蔡敏学 | Anti-freezing water pipe for solar water heater and its anti-freezing method |
| CN1825027A (en) * | 2005-02-26 | 2006-08-30 | 李庆祝 | Pipeline arrangine method for solar water heating system controlled by air or liquid |
| CN201652923U (en) * | 2010-04-08 | 2010-11-24 | 于龙 | Anti-freezing and unfreezing device for pipelines of solar energy water heater |
| CN201828067U (en) * | 2010-10-07 | 2011-05-11 | 王涛 | Intelligent antifreeze draining device of solar water heater pipeline |
| CN202024502U (en) * | 2011-01-28 | 2011-11-02 | 段世龙 | Double-tube circulation antifreeze device of solar water heater |
| CN202057067U (en) * | 2011-04-18 | 2011-11-30 | 刘光法 | Instantaneous solar water heater |
| CN202792610U (en) * | 2012-08-23 | 2013-03-13 | 夏明� | Bushing-type water-saving high-efficient solar water heater |
| CN104101116A (en) * | 2013-04-07 | 2014-10-15 | 刁力 | Sleeve circulating pump |
| CN207335144U (en) * | 2017-05-22 | 2018-05-08 | 华帝股份有限公司 | Zero-cold-water-circulation water supply system |
-
2021
- 2021-10-22 CN CN202111231867.4A patent/CN113932459A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176372A (en) * | 1997-04-17 | 1998-03-18 | 蔡敏学 | Anti-freezing water pipe for solar water heater and its anti-freezing method |
| CN1825027A (en) * | 2005-02-26 | 2006-08-30 | 李庆祝 | Pipeline arrangine method for solar water heating system controlled by air or liquid |
| CN201652923U (en) * | 2010-04-08 | 2010-11-24 | 于龙 | Anti-freezing and unfreezing device for pipelines of solar energy water heater |
| CN201828067U (en) * | 2010-10-07 | 2011-05-11 | 王涛 | Intelligent antifreeze draining device of solar water heater pipeline |
| CN202024502U (en) * | 2011-01-28 | 2011-11-02 | 段世龙 | Double-tube circulation antifreeze device of solar water heater |
| CN202057067U (en) * | 2011-04-18 | 2011-11-30 | 刘光法 | Instantaneous solar water heater |
| CN202792610U (en) * | 2012-08-23 | 2013-03-13 | 夏明� | Bushing-type water-saving high-efficient solar water heater |
| CN104101116A (en) * | 2013-04-07 | 2014-10-15 | 刁力 | Sleeve circulating pump |
| CN207335144U (en) * | 2017-05-22 | 2018-05-08 | 华帝股份有限公司 | Zero-cold-water-circulation water supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101165432B (en) | Intelligentized light energy heat pump type cold-hot water energy-saving machine set and control method | |
| CN101726156B (en) | Process method and device for refrigeration, heating and water supply by utilizing solar energy | |
| CN108253643B (en) | Instant-heating heat-storage heat pump and solar energy coupling hot water system and control method | |
| CN201297694Y (en) | Water source and air source integrated heating system | |
| CN201122001Y (en) | Solar hot-water supply system | |
| CN201028808Y (en) | Novel split type pressure-bearing solar energy water heater | |
| CN202229429U (en) | Solar energy and air source heat pump combined machine | |
| CN113932459A (en) | Novel water-saving and energy-saving solar water heating system and use method thereof | |
| CN108518782A (en) | A kind of cooling/warming system of solar energy integration air source heat pump | |
| CN205825425U (en) | A kind of energy-efficiency Type Hot Water Heating System | |
| CN101666547A (en) | Anti-freezing cyclic solar heat collecting system with small flow | |
| CN204830121U (en) | High -altitude area air source heat pump unites heating system with dull and stereotyped solar energy | |
| CN210317394U (en) | Shaft anti-freezing system based on waste heat water utilization | |
| CN106918100A (en) | A kind of solar energy aids in ice accumulation of energy seawater source heat pump air conditioning systems | |
| CN201425394Y (en) | Intelligent defrosting device for heat pump water heater | |
| CN207610262U (en) | Solar-powered-air source heat-pump-phase transition thermal storage water tank heating system | |
| CN208475723U (en) | A kind of ultra-low temperature air source heat pump unit to be defrosted using molten salt energy-storage | |
| CN203489521U (en) | Solar energy and ground source heat pump combined energy saving system | |
| CN202993660U (en) | Energy-saving cold and heat source device for producing domestic hot water for cooling tower | |
| CN207214231U (en) | A kind of solar energy heating system | |
| CN201293470Y (en) | Freeze proof solar thermal collection system | |
| CN210107815U (en) | Ground source heat pump efficiency hoisting device | |
| CN202432684U (en) | Hot water device for water circulating heat pump | |
| CN209495468U (en) | A kind of semi-conductor electricity boiler heating and energy saving device in conjunction with solar panels | |
| CN208475722U (en) | A kind of ultra-low temperature air source heat pump unit of energy storage defrosting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220114 |