CN221035934U - Phase change heat accumulation heating device with adjustable heat accumulation - Google Patents
Phase change heat accumulation heating device with adjustable heat accumulation Download PDFInfo
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- CN221035934U CN221035934U CN202322690533.4U CN202322690533U CN221035934U CN 221035934 U CN221035934 U CN 221035934U CN 202322690533 U CN202322690533 U CN 202322690533U CN 221035934 U CN221035934 U CN 221035934U
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- 230000008859 change Effects 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 title claims abstract description 10
- 238000009825 accumulation Methods 0.000 title claims description 11
- 238000005338 heat storage Methods 0.000 claims abstract description 119
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000011148 porous material Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000008399 tap water Substances 0.000 claims abstract description 8
- 235000020679 tap water Nutrition 0.000 claims abstract description 8
- 230000001502 supplementing effect Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 15
- 239000012782 phase change material Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000004146 energy storage Methods 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model provides a phase-change heat storage and supply device with adjustable heat storage capacity, which comprises a solar photovoltaic panel, a phase-change heat storage tank, a circulating water pump and a radiator, wherein the phase-change heat storage tank comprises a liquid level ball float valve, a tap water supplementing port, a temperature controller, a phase-change heat storage unit, a fixing frame, a supporting pore plate, an alternating current interface, a direct current electric heater, an alternating current electric heater, a supporting body, an exhaust valve, a water outlet valve, a water return port valve and a tank body. The quantity of the phase-change heat storage units in the phase-change heat storage tank can be adjusted, and flexible configuration of heat storage quantity is realized. The phase change heat storage tank can simultaneously utilize direct current of the solar photovoltaic panel and alternating current of municipal power, so that the building utilization of renewable energy sources and low-price valley electricity is realized, and the clean heating operation cost is reduced.
Description
Technical Field
The utility model belongs to the field of energy storage, relates to an energy storage device, and in particular relates to a phase change heat storage and supply device with adjustable heat storage capacity.
Background
The solar power generation technology and related products thereof in China are mature, and the solar power generation technology and related products have wide application in the building field. In addition, the partial areas of China implement the step price policy, the price of the electric power is higher in the daytime of the peak electricity consumption, and the price of the electric power is lower at night of the peak electricity consumption load. The time difference between energy supply and a user side can be made up by a heat storage energy storage mode, and the renewable energy and valley electricity utilization scheme is scientific and reasonable. In a conventional energy system, chemical batteries are often required for storing electric energy, the investment and the operation cost of the electric storage device are high, the heat storage can be realized only by low-cost water or phase-change materials, the investment and the operation cost are low, and the use process is free from risks.
The phase-change heat storage and supply device is mainly used for heat storage based on the temperature rise and the phase-change latent heat of the phase-change materials in the phase-change heat storage unit, so that compared with the traditional water heat storage device, the phase-change heat storage and supply device has the characteristics of high energy storage density and stable water outlet temperature, the phase-change heat storage and supply device is combined with the solar power generation technology and valley electricity utilization, and the building utilization of renewable energy sources and the building utilization of low-price valley electricity can be effectively realized. The existing phase-change heat storage and supply device has single function and low integration level, cannot simultaneously utilize solar energy and low-price valley electricity, cannot realize the adjustment of heat storage capacity of a phase-change heat storage tank, and has low use flexibility.
Disclosure of Invention
The utility model aims to provide a phase-change heat-storage heat supply device with adjustable heat storage capacity, which realizes phase-change heat-storage heat supply of solar energy and valley electricity through the combination of a solar photovoltaic panel, a phase-change heat-storage tank, a circulating water pump and a radiator, realizes the adjustment of the heat storage capacity through the adjustment of the quantity of phase-change heat-storage units, optimizes the cost of the phase-change heat-storage tank, expands the building utilization mode of renewable energy and valley electricity, improves the clean heat supply level of civil buildings, and reduces the building heat supply operation cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
The utility model provides a heat accumulation volume adjustable phase transition heat accumulation heating device which characterized in that: the device comprises a phase change heat storage tank, a circulating water pump and a radiator; the phase change heat storage tank comprises a liquid level ball float valve, a tap water supplementing port, a temperature controller, a phase change heat storage unit, a fixing frame, a supporting pore plate, an alternating current interface, an alternating current electric heater, a supporting body, an exhaust valve, a water outlet valve, a water return port valve and a tank body.
The lower part of the tank body is provided with a supporting body, the supporting body is provided with a supporting pore plate, a fixing frame is arranged above the supporting pore plate, a plurality of phase-change heat storage units can be placed on the supporting pore plate, the phase-change heat storage units are fixed in position through the fixing frame, and the quantity of the phase-change heat storage units can be adjusted; the lower part of the tank body is also provided with an alternating current electric heater and a backwater port valve, the alternating current electric heater is connected with an alternating current interface, and the backwater port valve is connected with a circulating water pump.
The upper part of the tank body is provided with a liquid level float valve, a temperature controller, an exhaust valve and a water outlet valve, the liquid level float valve is connected with a tap water supplementing port, the water outlet valve is connected with a radiator, and the temperature controller can control the alternating current electric heater in a linkage way; the cavity inside the tank body is filled with water, and the water can pass through the fixing frame and the supporting pore plate; the circulating water pump and the water outlet valve are connected with the radiator.
The tank body is respectively provided with an inner shell, a heat-insulating layer and an outer shell from inside to outside, wherein the inner shell and the outer shell are made of stainless steel, the heat-insulating layer is made of polyurethane foam material, and the thickness of the heat-insulating layer is 50 mm; the lower part of the tank body is also provided with a direct current electric heater which is connected with the solar photovoltaic panel, and the controller can control the direct current electric heater in a linkage way.
The phase change heat storage unit is a cylinder, the inside is made of phase change material, and the outside is made of metal or plastic material to seal the phase change material; the phase change material is paraffin wax with a melting point ranging from 40 ℃ to 80 ℃.
A plurality of fixing frames can be arranged in the phase-change heat storage tank in the vertical direction, the fixing frames are of metal support structures, a plurality of metal rings are arranged in the metal support structures, the metal rings can fix the positions of the phase-change heat storage units, and holes are reserved among the metal rings in the metal support structures. The supporting pore plate is made of metal material, and a plurality of holes are arranged on the supporting pore plate.
Compared with the prior art, the utility model has the beneficial effects that:
The phase-change heat storage and supply device with adjustable heat storage capacity can realize phase-change energy storage by utilizing solar energy and valley electricity, and has the characteristics of large energy storage density and stable water outlet temperature compared with the traditional water heat storage device because the phase-change material has large latent heat and small temperature fluctuation in the latent heat release process.
Furthermore, the solar photovoltaic direct current is directly utilized by the direct current electric heater, so that the direct current-to-alternating current electric loss is avoided when the conventional alternating current electric heater is applied, meanwhile, the alternating current electric heater is also arranged, has the functions of a heat storage heat source and an auxiliary heat source, can be used as the auxiliary heat source of the direct current electric heater to continuously supply energy to the phase-change heat storage tank, and can also directly utilize the valley electricity to supply energy to the phase-change heat storage tank during valley electricity at night.
Furthermore, the utility model also provides a temperature controller, the temperature controller can control the direct current electric heater and the alternating current electric heater in a linkage way, on one hand, the water temperature of the phase change heat storage tank is controlled, the electric heater is prevented from being started up too high or automatically when the temperature is lower, on the other hand, the output power of the electric heater can be regulated according to the output temperature requirement in the heat release process, and the water outlet of the phase change heat storage tank can be kept to realize more stable water temperature.
Further, the phase-change heat storage units in the phase-change heat storage tank are placed in the cavity, the quantity can be adjusted or replaced according to requirements, the adjustment of heat storage quantity is achieved, the efficient utilization of the phase-change heat storage heat supply device is achieved, and the investment cost of the device can be saved while the large-scale production and application of the heat storage heat supply device are achieved.
Drawings
FIG. 1 is a schematic diagram of a heat storage and heat supply device with adjustable heat storage capacity;
Wherein, 1 is solar photovoltaic board, 2 is phase change heat accumulation jar, 201 is liquid level ball float valve, 202 is running water moisturizing mouth, 203 is temperature controller, 204 is phase change heat accumulation unit, 205 is the mount, 206 is the supporting orifice plate, 207 is alternating current interface, 208 is direct current electric heater, 209 is alternating current electric heater, 210 is the supporter, 211 is the discharge valve, 212 is the delivery port valve, 213 is the return water mouth valve, 214 is the jar body, 3 is circulating water pump, 4 is the radiator.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
The general conception of the utility model is as follows: the phase-change heat storage and supply device with adjustable heat storage capacity consists of a solar photovoltaic panel, a phase-change heat storage tank, a circulating water pump and a radiator, wherein the phase-change heat storage tank can simultaneously utilize direct current of solar photovoltaic and alternating current of municipal power to realize sustainable energy supply, fully utilize renewable energy sources and low-price valley electricity and reduce clean heating operation cost. In addition, the quantity of the phase-change heat storage units in the phase-change heat storage tank can be adjusted, and flexible configuration of heat storage quantity is realized.
For the purpose of illustrating the technical content, construction and objects of the present utility model in detail, reference is made to the accompanying drawings.
The phase-change heat storage and supply device with adjustable heat storage capacity comprises a solar photovoltaic panel 1, a phase-change heat storage tank 2, a circulating water pump 3 and a radiator 4; the phase change heat storage tank 2 comprises a liquid level ball float valve 201, a tap water supplementing port 202, a temperature controller 203, a phase change heat storage unit 204, a fixing frame 205, a support pore plate 206, an alternating current interface 207, a direct current electric heater 208, an alternating current electric heater 209, a support 210, an exhaust valve 211, a water outlet valve 212, a water return port valve 213 and a tank 214.
The application method of the phase-change heat storage and supply device with the adjustable heat storage capacity mainly comprises three aspects, namely a solar energy and valley electricity heat storage process, a heat supply process utilizing phase-change heat storage and an electric heating direct heat supply process. Wherein the number of phase change thermal storage units 204 is adjustable, thereby achieving adjustment of the amount of stored heat. The quantity of the phase change heat storage units 204 is regulated according to the heat supply and heat storage requirements of the building space, so that the cost optimization of the heat supply device is realized, and the investment of the heat supply device is saved.
(1) Solar energy and valley electricity heat accumulation process:
When solar energy utilization conditions are good in daytime, the solar photovoltaic panel 1 converts solar energy into direct current, the direct current drives the direct current electric heater 208 to heat water in the cavity of the phase-change heat storage tank 2, the heated hot water gradually rises and flows inside due to density difference, finally, the water in the cavity of the phase-change heat storage tank 2 is heated and warmed, the phase-change heat storage unit 204 exchanges heat with the hot water and warms, and the phase-change material of the phase-change heat storage unit 204 stores heat through the processes of temperature rising, phase-change heat storage and the like.
When valley electricity is utilized to store heat at night, municipal power drives an alternating current electric heater 209 to heat water in the cavity of the phase-change heat storage tank 2 through an alternating current interface 207, the heated hot water gradually rises and flows inside due to density difference, finally, the water in the cavity of the phase-change heat storage tank 2 is heated and warmed, the phase-change heat storage unit 204 exchanges heat with the hot water and warms, and the phase-change material of the phase-change heat storage unit 204 stores heat through the processes of warming, phase-change heat storage and the like.
The supporting body 210 is used for supporting the supporting hole plate 206, and since a plurality of holes are arranged on the supporting hole plate 206, the fixing frame 205 is a metal bracket structure with holes, and water in the cavity of the phase-change heat storage tank 2 can freely pass through and rise from the bottom to the top of the cavity of the phase-change heat storage tank 2.
The temperature controller 203 can control the direct current electric heater 208 and the alternating current electric heater 209 in a linkage way, and when the water temperature at the upper part of the phase change heat storage tank 2 is detected to reach 80 ℃, the direct current electric heater 208 and the alternating current electric heater 209 can be automatically turned off, so that the danger caused by overhigh temperature is avoided. The exhaust valve 211 is used for releasing water vapor generated in the cavity of the phase-change heat storage tank 2, when the liquid level in the cavity of the phase-change heat storage tank 2 is lower than the height of the liquid level ball float valve 201, tap water is automatically replenished through the tap water replenishing port 202 until the liquid level in the cavity of the phase-change heat storage tank 2 reaches the height of the liquid level ball float valve 201, so that the sufficient water quantity in the phase-change heat storage tank 2 in the use process is ensured.
(2) Heat supply process using phase change heat storage:
The water outlet valve 212, the water return port valve 213 and the circulating water pump 3 are opened, hot water in the cavity of the phase-change heat storage tank 2 enters the radiator 4 to release heat under the driving of the circulating water pump 3, the radiator 4 heats a building space to realize clean heating, cooled water after heat release flows back to the lower part of the phase-change heat storage tank 2 through the circulating water pump 3 and the water return port valve 213, water in the cavity of the phase-change heat storage tank 2 flows from bottom to top and exchanges heat with the phase-change heat storage unit 204, the phase-change heat storage unit 204 continuously releases sensible heat and latent heat through temperature reduction and phase change, and the water after heat absorption and temperature rise enters the radiator 4 again through the water outlet valve 212 to release heat.
When the outlet water temperature of the phase change heat storage tank 2 cannot meet the requirement, the alternating current interface 207 or the direct current electric heater 208 can be started to serve as a supplementary heat source, and the direct current electric heater 208 is preferentially utilized.
(3) The electric heating direct heat supply process comprises the following steps:
When the phase-change heat storage tank 2 supplies heat in a non-night valley electricity period and no solar energy utilization condition exists, an electric heating direct heat supply mode can be directly adopted, municipal power drives the alternating current electric heater 209 to heat water in the phase-change heat storage tank 2 through the alternating current interface 207, building clean heating is synchronously carried out, and hot water enters the radiator 4 to release heat under the driving of the circulating water pump 3.
When the phase-change heat storage tank 2 supplies heat in a non-night valley electricity period, but under the solar energy utilization condition, the direct heating mode can be directly adopted, the solar photovoltaic direct current drives the direct current electric heater 208 to heat water in the phase-change heat storage tank 2, building clean heating is synchronously carried out, and hot water enters the radiator 4 to release heat under the driving of the circulating water pump 3. When the output power of the direct current electric heater 208 reaches the maximum, the alternating current interface 207 can be started to serve as a supplementary heat source when the water outlet temperature of the phase change heat storage tank 2 cannot meet the requirement.
Claims (6)
1. The utility model provides a heat accumulation volume adjustable phase transition heat accumulation heating device which characterized in that: comprises a phase change heat storage tank (2), a circulating water pump (3) and a radiator (4); the phase change heat storage tank (2) comprises a liquid level ball float valve (201), a tap water supplementing port (202), a temperature controller (203), a phase change heat storage unit (204), a fixing frame (205), a supporting pore plate (206), an alternating current interface (207), an alternating current electric heater (209), a supporting body (210), an exhaust valve (211), a water outlet valve (212), a water return port valve (213) and a tank body (214);
A supporting body (210) is arranged at the lower part of the tank body (214), a supporting pore plate (206) is arranged on the supporting body (210), a fixing frame (205) is arranged above the supporting pore plate (206), a plurality of phase-change heat storage units (204) can be placed on the supporting pore plate (206), the phase-change heat storage units (204) are fixed in position through the fixing frame (205), and the quantity of the phase-change heat storage units (204) can be adjusted; the lower part of the tank body (214) is also provided with an alternating current electric heater (209) and a backwater port valve (213), the alternating current electric heater (209) is connected with an alternating current interface (207), and the backwater port valve (213) is connected with a circulating water pump (3);
The upper part of the tank body (214) is provided with a liquid level float valve (201), a temperature controller (203), an exhaust valve (211) and a water outlet valve (212), the liquid level float valve (201) is connected with a tap water supplementing port (202), the water outlet valve (212) is connected with a radiator (4), and the temperature controller (203) can control an alternating current electric heater (209) in a linkage way; the cavity inside the tank body (214) is filled with water, and the water can pass through the fixing frame (205) and the supporting pore plate (206); the circulating water pump (3) and the water outlet valve (212) are connected with the radiator (4).
2. The heat storage and adjustment phase-change heat storage and supply device according to claim 1, wherein: the tank body (214) is respectively an inner shell, a heat preservation layer and an outer shell from inside to outside, wherein the inner shell and the outer shell are made of stainless steel, the heat preservation layer is made of polyurethane foam materials, and the thickness of the heat preservation layer is 50 mm.
3. The heat storage and adjustment phase-change heat storage and supply device according to claim 1, wherein: the lower part of the tank body (214) is also provided with a direct current electric heater (208), the direct current electric heater (208) is connected with the solar photovoltaic panel (1), and the controller (203) can control the direct current electric heater (208) in a linkage way.
4. The heat storage and adjustment phase-change heat storage and supply device according to claim 1, wherein: the phase change heat storage unit (204) is a cylinder, the inside is made of phase change materials, and the outside is made of metal or plastic materials to seal the phase change materials; the phase change material is paraffin wax with a melting point ranging from 40 ℃ to 80 ℃.
5. The heat storage and adjustment phase-change heat storage and supply device according to claim 1, wherein: a plurality of fixing frames (205) can be arranged in the phase-change heat storage tank (2) in the vertical direction, the fixing frames (205) are of metal support structures, a plurality of metal rings are arranged in the metal support structures, the metal rings can fix the horizontal positions of the phase-change heat storage units (204), and holes are reserved among the metal rings in the metal support structures.
6. The heat storage and adjustment phase-change heat storage and supply device according to claim 1, wherein: the supporting pore plate (206) is made of metal materials, and a plurality of holes are arranged on the supporting pore plate (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322690533.4U CN221035934U (en) | 2023-10-09 | 2023-10-09 | Phase change heat accumulation heating device with adjustable heat accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322690533.4U CN221035934U (en) | 2023-10-09 | 2023-10-09 | Phase change heat accumulation heating device with adjustable heat accumulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221035934U true CN221035934U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322690533.4U Active CN221035934U (en) | 2023-10-09 | 2023-10-09 | Phase change heat accumulation heating device with adjustable heat accumulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221035934U (en) |
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2023
- 2023-10-09 CN CN202322690533.4U patent/CN221035934U/en active Active
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