CN112762614A - Phase-change heat-storage electric water heater and air heating device - Google Patents
Phase-change heat-storage electric water heater and air heating device Download PDFInfo
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- CN112762614A CN112762614A CN201911003293.8A CN201911003293A CN112762614A CN 112762614 A CN112762614 A CN 112762614A CN 201911003293 A CN201911003293 A CN 201911003293A CN 112762614 A CN112762614 A CN 112762614A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/08—Induction
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (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
A phase-change heat-storage electric water heater and an air heating device comprise an electric water heater shell, a heat-insulation isolation layer, a water tank, a rectangular water-storage heat-exchange coil arranged in the water tank, a phase-change energy-storage exchange device, an electric heating rod, an air heat exchange device, a hot runner inlet-outlet passage, a hot runner circulating pump, an air convection exchange channel, an electromagnetic control valve, an intelligent circuit control management system, a flow and temperature sensor and the like.
Description
The technical field is as follows:
the invention relates to the field of electric water heaters and air heating, in particular to a phase-change heat-storage electric water heater and an air heating device.
Background art:
when the environmental requirements and consciousness of people are enhanced, water and air need to be heated in daily life, especially in the northern winter, heating is usually achieved by adopting a coal-fired mode, the difficulty of air pollution treatment is increased by coal-fired heating, so that the traditional coal-fired heating mode needs to be changed, and the adoption of electric heating is a future solution. In various aspects of the industrial production field, water and air need to be heated, and heat exchange and electric heating are effective technical means. The heat exchanger is the most commonly used part, and can improve the life quality of people and improve the production work efficiency, and various heat exchange and electric heating devices are indispensable devices. The heat exchangers of the prior art generally adopt flat plates, coil pipes, also calandria pipes or spiral coil pipes and the like. Generally, heating water and heating air are two different devices and application fields, and two groups of different devices are needed to respectively complete the heating work of the two different media.
The invention comprises the following contents:
the present invention aims to overcome the defects of the prior art and provide a phase change heat storage electric water heater and an air heating device.
The technical scheme of the invention is as follows:
a phase-change heat-storage electric water heater and an air heating device comprise an electric water heater shell, a heat-insulation isolation layer, a water tank, a rectangular water-storage heat-exchange coil, a phase-change energy-storage exchange device, an electric heating rod, an air heat exchange device, a hot runner inlet-outlet passage, a hot runner circulating pump, an air convection exchange channel, an electromagnetic control valve, an intelligent circuit control management system, a flow and temperature sensor and the like, wherein the rectangular water-storage heat-exchange coil is connected with a cold water inlet end and is provided with a hot water outlet end, the rectangular water-storage heat-exchange coil is a water storage container needing to be heated, the water storage container can be a horizontal or vertical spiral coil with a single layer or N layers according to the capacity required by design so as to meet the design requirement of the required capacity, and the phase-change energy-storage heat, the phase-change energy-storage heat exchanger is a heat exchanger which is formed by a phase-change heat storage material filled in a closed container and can circularly absorb and release heat, the phase-change energy-storage exchange device is provided with an overheating expansion protection device, the phase-change energy-storage exchange device can be set into a single-branch or N-branch phase-change energy-storage exchange device according to the capacity requirement of a required rectangular water storage heat exchange coil and is used for matching with the capacity of the required rectangular water storage heat exchange coil, the electric heating rod adopts a metal electric heating rod or a nano carbon non-metal electric heating rod, the electric heating rod is configured into the single-branch or N-branch, intelligent constant temperature and constant current control and management are realized through a circuit control system, the phase-change material is wax, the state and the form are changed along with the change of cold and hot temperature, the cycle use of heat absorption and heat release is realized in the process of changing from solid state to liquid state, the heat-assisting agent is a mixed liquid of water and added propylene glycol, and the rectangular water storage heat exchange coil is made of a metal corrugated pipe.
The invention has the beneficial effects that:
1. the rectangular water storage heat exchange coil pipe is adopted to solve the problems of easy scale accumulation and safe electricity utilization of the water storage type water heater.
2. The rectangular water storage heat exchange coil is arranged into a plurality of layers of horizontal or vertical spiral coils, so that the heat exchange area is increased, and subsequent products can be designed as required easily.
3. Because the heat-assisting agent is used, the heating speed is high, the temperature of heated hot water is uniform, the hot water is not easy to cool, the phenomenon of sudden cooling and sudden heating cannot be generated, and the use is safe and reliable.
4. Owing to used phase change material wax, utilize the phase transition energy storage effect of wax, the low ebb electric energy at night can the make full use of stores in phase transition heat accumulation energy storage exchange device, and the heat energy of storage is stayed daytime and is gradually released and use.
5. The nano-carbon nonmetal electric heating rod is adopted, the electric heat conversion efficiency is high, the water-electricity separation has no electric shock hidden trouble, and the scale is not easy to generate.
6. Only one set of air heat exchange device is needed to be added, so that the heat energy of the heat-assisting agent in the water tank can be recycled, energy conservation and environmental protection are realized, and the water heater is one machine and multipurpose.
Description of the drawings:
FIG. 1: the heat-preservation water tank comprises a shell 1, a heat-preservation isolation layer 2, a water tank 3, a rectangular water storage heat exchange coil 4, a phase-change energy-storage exchange device 5, an electric heating rod 6, a heat-assisting agent 7, a cold water inlet 8, a hot water outlet 9, a water tank hot runner water outlet 10, a water tank hot runner backflow water inlet 11, a water tank heat exchange device and a heat-preservation water tank heat,
FIG. 2: an air heater water inlet 12, an electromagnetic control valve 13, a hot runner circulating booster pump 14, an air convection exchange channel 15, an air heat exchanger hot air outlet 16, an air heat exchanger 17, an air heat exchanger shell 18, an air heater water outlet 19,
FIG. 3: a water tank 3, a rectangular water storage and heat exchange coil 4, a phase change energy storage and exchange device 5, an electric heating rod 6, a cold water inlet 8, a hot water outlet 9,
The specific implementation mode is as follows:
the invention will now be described in further detail with reference to the accompanying drawings in which:
example is the realization route and description of water heating: referring to fig. 1, 2 and 3, the phase change thermal energy storage electric water heater and the air heating device of the invention comprise a shell 1, a thermal insulation isolation layer 2, a water tank 3 and a device arranged in the water tank 3; the rectangular water storage and heat exchange coil 4 arranged in the water tank, wherein the rectangular water storage and heat exchange coil 4 shown in the example is a multilayer horizontal spiral coil, and the phase change energy storage and storage exchange device 5, wherein the phase change energy storage material wax, the metal electric heating rod or the nano carbon nonmetal electric heating rod 6, the heat booster 7, the cold water inlet 8 and the hot water outlet 9 are reloaded in a container of the phase change energy storage and storage exchange device 5, the electric heating rod is started to heat during working, the rectangular water storage and heat exchange coil 4 and the phase change energy storage and storage exchange device 5 which are arranged in the water tank 3 are internally provided with the heat booster 7 to realize heat exchange.
The phase change heat storage electric water heater and the air heating device can be made into electric water heaters with different sizes and different purposes according to the requirements of the purposes. For example: the larger can be used for the electric water heater for bathing, and the smaller can be used for the small kitchen appliance for washing hands and dishes.
Example two is the realization path and description of air heating: referring to fig. 1, 2 and 3, the phase change thermal energy storage electric water heater and the air heating device of the invention comprise a shell 1, a thermal insulation isolation layer 2, a water tank 3 and a device arranged in the water tank 3; a rectangular water storage and heat exchange coil 4 arranged in a water tank, wherein the rectangular water storage and heat exchange coil 4 shown in the examples is a multilayer horizontal spiral coil, a phase change energy storage and exchange device 5, wherein a container of the phase change energy storage and exchange device 5 is filled with phase change energy storage material wax, a metal electric heating rod or a nano carbon nonmetal electric heating rod 6, a heat assistant agent 7, a cold water inlet 8, a hot water outlet 9, a water tank hot runner water outlet 10, a water tank hot runner backflow water inlet 11, an air heater water inlet 12, an electromagnetic control valve 13, a hot runner circulating booster pump 14, an air convection exchange channel 15, an air heat exchanger hot air outlet 16, an air heat exchange device 17, an air heat exchange device shell 18 and an air heater water outlet 19, when air needs to be heated, the electromagnetic control valve 13 and the heat assistant agent 7 in the water tank 3 are opened, and the air flows out from the water tank hot, the hot runner circulating booster pump 14 starts to work, the heat-assisting agent 7 is conveyed to the water inlet 12 of the air heat exchange device 17, air is heated through the air heat exchange device 17 and the air convection exchange channel 15, cooling liquid after heat exchange is carried out through the air heat exchange device 17 flows back to the hot runner backflow water inlet 11 of the water tank 3 through the water outlet 19 of the air heat exchange device 17, and the air is circularly reheated through the heat-assisting agent 7 in the water tank 3, so that the air can be continuously heated.
Preferably, the rectangular water storage heat exchange coil 4 can be set as a multilayer horizontal or vertical spiral coil, and the rectangular water storage heat exchange coil is preferably made of metal corrugated pipes, so that the heat exchange area can be effectively increased, the heat exchange speed is increased, and the utilization rate of heat energy efficiency is improved.
Preferably, the phase-change energy storage and exchange device 5 adopts a flat plate type or other suitable geometric body design, so that the heat exchange area can be effectively increased, the circulation of heat absorption and heat release of the phase-change energy storage material wax from a solid state to a liquid state is facilitated, and the heat exchange speed is accelerated.
Preferably, the electric heating rod 6 adopts a nano carbon nonmetal electric heating rod, the electric heat conversion efficiency is high, the water and electricity separation is realized, the hidden electric shock hazard is avoided, the scale is not easily generated, and the service life is prolonged.
Preferably, the phase-change energy storage and exchange device 5 is filled with a phase-change heat exchange material, and the phase-change heat exchange material is placed between two sides of the rectangular water storage and heat exchange coil and the rectangular water storage and heat exchange coil, so that the storage capacity of heat energy can be effectively increased.
Preferably, the intelligent circuit control system is used for controlling the flow and temperature sensors to realize intelligent networking management and service of the two groups of equipment.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that the changes and modifications of the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (3)
1. The utility model provides a phase transition heat energy storage electric water heater and air heating device, includes electric water heater shell, heat preservation isolation layer, water tank and sets up rectangle water storage heat exchange coil, phase transition energy storage exchange device, electric heating rod, air heat exchange device, hot runner inlet and outlet passageway, hot runner circulating pump, air convection exchange passageway, solenoid electric valve and intelligent circuit control management system, flow and temperature sensor etc. in the water tank, its characterized in that: the rectangular water storage and heat exchange coil is made of metal corrugated pipes, can be arranged into a single-layer or N-layer horizontal or vertical spiral coil, is connected with a cold water inlet end and is provided with a hot water outlet end, the phase-change heat storage and exchange device is a heat exchanger which is formed by filling phase-change heat storage materials in a closed container and can circularly absorb and release heat, the phase-change heat storage and exchange device is provided with an overheating expansion protection device, the phase-change materials are wax, change states and forms along with the change of cold and hot temperatures, the cycle of heat absorption and heat release is realized in the process of changing from solid state to liquid state, the melting point of the wax is between 50 ℃ and 80 ℃, the electric heating rod is a metal electric heating rod or a nano carbon non-metal electric heating rod, preferably a nano carbon non-metal electric heating rod, and a heat-assisting agent is filled in a water tank, the heating assistant is a mixed solution of water and propylene glycol.
2. The phase-change heat-storage electric water heater and the air heating device according to claim 1, wherein: the heat-assisting agent in the water tank is a mixed liquid of water and added propylene glycol, and a heat circulation system is established by electromagnetic control, a hot runner inlet and outlet passage, a hot runner circulating pump, an air convection exchange channel and an air heat exchange device to realize heating of air.
3. The phase-change heat-storage electric water heater and the air heating device according to claim 1, wherein: the intelligent circuit controls the management system and the flow and temperature sensors, so that intelligent networking management and service of the two groups of equipment are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911003293.8A CN112762614A (en) | 2019-10-21 | 2019-10-21 | Phase-change heat-storage electric water heater and air heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911003293.8A CN112762614A (en) | 2019-10-21 | 2019-10-21 | Phase-change heat-storage electric water heater and air heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112762614A true CN112762614A (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911003293.8A Pending CN112762614A (en) | 2019-10-21 | 2019-10-21 | Phase-change heat-storage electric water heater and air heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112762614A (en) |
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2019
- 2019-10-21 CN CN201911003293.8A patent/CN112762614A/en active Pending
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