CN210801382U - Off-peak electricity heat storage household type heating device - Google Patents
Off-peak electricity heat storage household type heating device Download PDFInfo
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- CN210801382U CN210801382U CN201920433235.8U CN201920433235U CN210801382U CN 210801382 U CN210801382 U CN 210801382U CN 201920433235 U CN201920433235 U CN 201920433235U CN 210801382 U CN210801382 U CN 210801382U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a valley electricity heat-retaining house type heating system, heat storage and release unit and spray water device are installed respectively to heat exchange water tank inside, steam header is installed at the top of heat exchange water tank, the steam header outlet connects gradually vapour water mixer, constant temperature water tank, variable frequency feed pump, radiator, the radiator outlet divide into two the tunnel and connects respectively first electrical control valve and second electrical control valve, first electrical control valve connects gradually first flow sensor and spray water device, second electrical control valve connects gradually second flow sensor and vapour water mixer water side entry; the bottom of the heat exchange water tank is also provided with a water replenishing pipeline and a water draining pipeline respectively; the utility model discloses utilize the low millet electric quantity heating of low price at night to store the heat-retaining material in the unit is put in the heat-retaining, put the hot water that steam and hot water and the heating return water mixture that unit surface temperature formed and form a certain temperature through the control heat-retaining and get into constant temperature water tank, provide the constant temperature heat source that lasts for the user.
Description
Technical Field
The utility model relates to a heat accumulation heating system, especially a low ebb electricity heat-retaining house type heating system.
Background
In order to further promote the upgrading of an electric power system, increase the quantity of renewable energy sources entering a network and reduce the phenomena of wind and light abandonment, the national energy bureau puts out a policy to accelerate the promotion of 'changing coal into electricity' in rural areas in the north, and replaces the energy waste caused by the heat supply by burning scattered coal. Meanwhile, the power grid is generated from the electricity selling side, a peak-valley electricity price regulation mechanism is implemented, the network entry amount of renewable energy sources is further increased, the utilization rate of the renewable energy sources is improved, and the environmental pollution caused by burning coal and burning straws is reduced.
The off-peak electricity is adopted to heat the heat storage equipment with the heat storage material at night, the off-peak electricity or renewable energy power generation is converted into heat for storage, and the heat is released in the daytime for users to use. The existing double-tank heat storage system comprises a molten salt pump, a molten salt electric heater and other equipment, and the cost is high; the single-tank heat storage system is simple in structure and low in cost, but is affected by the area of the saline water heat exchanger installed in the tank, and the temperature of the fused salt in the tank is not matched with the heat of heating water, so that the heat power of water supply cannot be constantly output. Both the single-tank heat storage system and the double-tank heat storage system have the advantages of low cost, easy operation, constant power and obvious adjustability when used for supplying heat to small houses. How to develop a set of low ebb electricity heat accumulation house type heating system is the problem that needs to solve at present urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a low ebb electricity heat-retaining house type heating system, utilize low ebb electricity heating heat-retaining material night, release heat daytime, realize the user and heat in succession.
The technical solution of the utility model is that:
a valley electricity heat storage household heating device, which comprises: the device comprises a heat exchange water tank 1, a heat storage and release unit 2, a spray water device 3, a steam header 4, a first thermometer 5, a pressure gauge 6, a spring type safety valve 7, a first flow sensor 8, a first electric regulating valve 9, a steam-water mixer 10, a second flow sensor 11, a second electric regulating valve 12, a first temperature sensor 13, a radiator 14, a second temperature sensor 15, a variable-frequency water feeding pump 16, a third temperature sensor 17, a constant-temperature water tank 18, a first stop valve 19, a second stop valve 20, a third stop valve 21, a fourth stop valve 22 and a heat preservation structure 23;
the heat storage and storage unit 2 and the spray water device 3 are respectively arranged on the heat exchange water tank 1, the steam header 4 is arranged on the top of the heat exchange water tank 1, the outlet of the steam header 4 is connected with the steam side inlet of the steam-water mixer 10, the outlet of the steam-water mixer 10 is connected with the constant temperature water tank 18, the constant temperature water tank 18 is connected with the inlet of the variable frequency water feeding pump 16, the outlet of the variable frequency water feeding pump 16 is connected with the inlet of the radiator 14, the outlet of the radiator 14 is divided into two paths which are respectively connected with the first electric control valve 9 and the second electric control valve 12, the first electric regulating valve 9 is connected with the first flow sensor 8, the first flow sensor 8 is connected with the spray water device 3, the second electric regulating valve 12 is connected with the second flow sensor 11, and the second flow sensor 11 is connected with the water side inlet of the steam-water mixer 10;
the bottom of the heat exchange water tank 1 is respectively provided with a water supplementing pipeline and a water draining pipeline which are respectively used for storing low-temperature heat supply of the heat unit 2 and water supplementing and draining under the emergency condition of the system, the water supplementing pipeline is provided with a fourth stop valve 22 and is used for water supplementing when the system is started and the total water consumption of the system is insufficient, the water draining pipeline is provided with a second stop valve 20, the second stop valve 20 is respectively connected with a first stop valve 19 and a third stop valve 21, the first stop valve 19 is connected with the constant-temperature water tank 18, the second stop valve 20 and the third stop valve 21 are connected for draining when the system is stopped and in the emergency condition, and the second stop valve 20 and the first stop valve 19 are connected for storing water supply of heating water of the heat unit 2 in the low-temperature section and entering the constant-temperature water tank 18;
the heat preservation structure 23 is coated on the outer surfaces of the heat exchange water tank 1 and the steam header 4.
The valley electricity heat storage household heating device is characterized in that the first thermometer 5, the pressure gauge 6 and the spring type safety valve 7 are respectively installed at the top of the heat exchange water tank 1, the first thermometer 5 monitors the temperature in the evaporation heat exchange water tank, the pressure gauge 6 monitors the pressure in the evaporation heat exchange water tank, the spring type safety valve 7 is connected with the constant temperature water tank 18, the spring type safety valve 7 is opened when the pressure in the heat exchange water tank 1 is overpressure, and steam is discharged to the constant temperature water tank 18.
The valley electricity heat storage household heating device comprises a steam-water mixer 10, a first temperature sensor 13, a second temperature sensor, a temperature sensor and a controller, wherein the first temperature sensor 13 is arranged at the outlet of the steam-water mixer 10, and the temperature of water at the outlet of the steam-water mixer 10 is controlled.
The valley electricity heat storage household heating device comprises the radiator 14, the second temperature sensor 15 is mounted on an outlet pipeline of the radiator, the water temperature at the outlet of the radiator 14 is monitored, the opening matching of the first electric regulating valve 9 and the second electric regulating valve 12 is secondarily regulated, and the flow of the variable-frequency water feed pump 16 is also regulated.
The valley electricity heat storage household heating device is characterized in that the constant temperature water tank 18 is provided with the third temperature sensor 17, the opening degree of the first electric regulating valve 9 and the opening degree of the second electric regulating valve 12 are matched in the constant temperature water tank 18 water temperature and secondary regulation low temperature heating stage, and the outer wall of the constant temperature water tank 18 is provided with a heat preservation device.
The valley electricity heat storage household heating device comprises a heat exchange water tank 1, heat storage and release units 2, a liquid water evaporation unit, a spray water evaporation unit and a steam overheating unit, wherein the heat storage and release units 2 are arranged in the heat exchange water tank 1 and are of a multilayer arrangement structure, each layer is composed of N heat storage and release units, the bottom layer is a liquid water evaporation unit, the middle layer is a spray water evaporation unit, and the top layer is a steam overheating unit.
The off-peak electricity heat storage household heating device is characterized in that the water spraying device 3 is arranged between the top layer and the middle layer, and the water spraying direction faces the middle layer.
The valley electricity heat storage household heating device comprises a cylindrical electric heater 201 as the outer wall of the heat storage and release unit 2, the electric heater 201 is made of resistance metal heating materials, the power supply wiring ports 203 are formed in two ends of the outer wall, and the composite phase change materials 202 are contained in the heat storage and release unit 2.
The valley electricity heat storage household heating device comprises the composite phase change material 202, wherein the melting point of the composite phase change material is 100-500 ℃, and the heating use temperature range is 100-800 ℃.
The utility model relates to a low ebb electricity heat storage household heating device, which has the technical advantages that the system integrates a heat storage device and a heat release device; the heat storage material stored in the heat storage and release unit is heated by utilizing the low-valley electricity with low price at night; when the surface temperature of the heat storage and release unit is higher than a certain temperature, spraying water to the surface of the heat storage and release unit by using a water spraying device for evaporation and overheating, mixing the superheated steam and the user heating return water in a steam-water mixer, and providing a continuous constant-temperature heat source for a user; when the surface temperature of the heat storage and release unit is lower than a certain temperature, a water spraying device is used for spraying water to the surface of the heat storage and release unit for heating, and heated hot water directly enters a constant-temperature water tank to provide a continuous constant-temperature heat source for a user; the utility model discloses utilize the spray water device to put unit surface water spray to the heat-retaining, obtain the steam and the hot water of different temperatures, through return water regulation mode, guarantee user heating constancy of temperature.
Drawings
Fig. 1 is a system flow chart of a valley electricity heat storage household heating system provided by the present invention;
fig. 2 is a schematic structural view of the heat storage unit of the present invention.
Fig. 3 is a schematic structural view of the heat storage and release unit of the built-in electric heater of the present invention.
Main element number description:
the utility model discloses:
1: and (3) a heat exchange water tank 2: heat storage and release unit 3: water spraying device
4: steam header 5: first thermometer 6: pressure gauge
7: spring type safety valve 8: first flow sensor 9: first electric control valve
10: the steam-water mixer 11: second flow sensor 12: second electric control valve
13: first temperature sensor 14: the radiator 15: second temperature sensor
16: variable-frequency water feed pump 17: third temperature sensor 18: constant temperature water tank
19: first shut-off valve 20: second stop valve 21: third stop valve
22: fourth stop valve 23: heat insulation structure
201: electric heater 202: composite phase change material 203: power supply wiring port
301: the electric heater 302: the metal material 303: composite phase change material
304: metal fin
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
First, the present invention provides a preferred embodiment of a valley electricity heat storage household heating system, as shown in fig. 1, which is installed in a heat storage unit 2 in a heat exchange water tank 1, and an electric heater 201 heats a composite phase change material 202 stored in the heat storage unit 2 by using valley electricity at night, so that the composite phase change material is converted into heat energy and stored.
When the temperature of the heat storage and release unit 2 is higher than 200 ℃, one path of heating backwater is cooperatively controlled by the first flow sensor 8 and the first electric regulating valve 9 to enter the heat exchange water tank 1 through the spray water device 3 and be heated into superheated steam by the heat storage and release unit 2, the superheated steam enters the steam-water mixer 10 through the steam collection tank 4 for steam measurement, the other path of heating backwater is cooperatively controlled by the second flow sensor 11 and the second electric regulating valve 12 to enter the water side of the steam-water mixer 10, hot water mixed with the steam into 65-85 ℃ enters the constant temperature water tank 18, the hot water enters the radiator 14 under the action of the variable frequency water feed pump 16 to provide a heat source with constant temperature for a user, and the processes form a high-temperature heat release and heating process of the heat storage and release unit 2.
When the temperature of the heat storage and release unit 2 is lower than 200 ℃, a first path of heating backwater is cooperatively controlled by the first flow sensor 8 and the first electric regulating valve 9 to enter the heat exchange water tank 1 through the spray water device 3 and be heated into high-temperature water by the heat storage and release unit 2, the high-temperature water is cooperatively controlled by the first stop valve 19 and the second stop valve 20 to enter the constant-temperature water tank 18, the other path of heating backwater is cooperatively controlled by the second flow sensor 11 and the second electric regulating valve 12 to enter the constant-temperature water tank 18 through the steam-water mixer 10 to be mixed with the high-temperature water into hot water at 65-85 ℃, the hot water enters the radiator 14 under the action of the variable-frequency water supply pump 16 to provide a heat source with constant temperature for a user, and the processes form a low-temperature heat release.
When the pressure of the heat exchange water tank 1 and the pressure of the steam header 4 exceed the safety pressure, the spring type safety valve 7 is opened, and the steam is directly discharged into the constant-temperature water tank 18; when the pressure in the heat exchange water tank 1 is lower than the rising pressure of the spring type safety valve 7, the spring type safety valve 7 is closed, and the process forms a system safety protection process.
Second embodiment, the present invention is similar to the first embodiment, except that the electric heater 301 for storing the heat unit 2 is disposed in the middle of the heat unit 2, the outer surface of the heat unit 2 is made of a metal material 302 with a high thermal conductivity coefficient, the metal rib 304 for enhancing heat transfer is disposed on the outer wall of the metal material 302, and the composite phase change material 303 is disposed between the electric heater 301 and the metal material 302, as shown in fig. 3.
The above is the utility model discloses structural schematic, principle and technical advantage. The protection scope of the present invention shall be intended to include all equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention.
Claims (9)
1. The utility model provides a valley electricity heat-retaining house type heating system which characterized in that, this valley electricity heat-retaining house type heating system includes: the device comprises a heat exchange water tank (1), a heat storage and release unit (2), a spray water device (3), a steam header (4), a first flow sensor (8), a first electric regulating valve (9), a steam-water mixer (10), a second flow sensor (11), a second electric regulating valve (12), a radiator (14), a variable-frequency water feeding pump (16), a constant-temperature water tank (18), a first stop valve (19), a second stop valve (20), a third stop valve (21), a fourth stop valve (22) and a heat preservation structure (23);
install respectively on heat exchange water tank (1) store up exothermic unit (2) with spray water device (3), heat exchange water tank (1) top installation steam header (4), the export of steam header (4) with steam side entry phase of steam-water mixer (10) is connected, the export of steam-water mixer (10) with constant temperature water tank (18) are connected, constant temperature water tank (18) with frequency conversion feed water pump (16) entry phase is connected, frequency conversion feed water pump (16) export with radiator (14) entry phase, radiator (14) export is divided into two the tunnel and is connected respectively first electrical control valve (9) with second electrical control valve (12), first electrical control valve (9) are connected first flow sensor (8), first flow sensor (8) are connected spray water device (3), the second electric regulating valve (12) is connected with the second flow sensor (11), and the second flow sensor (11) is connected with a water side inlet of the steam-water mixer (10);
the bottom of the heat exchange water tank (1) is also provided with a water supplementing pipeline and a water draining pipeline respectively, the water supplementing pipeline is provided with a fourth stop valve (22), the water draining pipeline is provided with a second stop valve (20), the second stop valve (20) is connected with the first stop valve (19) and the third stop valve (21) respectively, and the first stop valve (19) is connected with the constant temperature water tank (18);
the heat preservation structure (23) is coated on the outer surfaces of the heat exchange water tank (1) and the steam header (4).
2. The valley electricity heat-storage household heating device as claimed in claim 1, characterized in that a first thermometer (5), a pressure gauge (6) and a spring-type safety valve (7) are respectively installed on the top of the heat exchange water tank (1), and the spring-type safety valve (7) is connected with the constant temperature water tank (18).
3. The valley electricity heat-retaining household heating of claim 1, characterized in that the first temperature sensor (13) is installed at the outlet of the steam-water mixer (10).
4. A valley electricity heat-retaining household heating according to claim 1, characterized in that the outlet pipe of the radiator (14) is equipped with a second temperature sensor (15).
5. The valley electricity heat-retaining household heating of claim 1, characterized in that the thermostatic water tank (18) is fitted with a third temperature sensor (17).
6. The valley electricity heat storage household heating device according to claim 1, wherein the heat storage and release unit (2) installed in the heat exchange water tank (1) is of a multilayer arrangement structure, each layer is composed of N heat storage and release units, the bottom layer is a liquid water evaporation unit, the middle layer is a spray water evaporation unit, and the top layer is a steam overheating unit.
7. The valley electricity heat-storing household heating according to claim 1, characterized in that the shower water unit (3) is arranged between the top layer and the middle layer, the water spraying direction of the shower water unit (3) being directed towards the middle layer.
8. The valley electricity heat storage household heating device as claimed in claim 6, characterized in that, the outer wall of the heat storage and release unit (2) is a cylindrical electric heater (201), the electric heater (201) is made of resistance metal heating material, two ends of the outer wall are provided with power connection ports (203), and the heat storage and release unit (2) is filled with composite phase change material (202).
9. The valley electricity heat-storage household heating system according to claim 8, wherein the melting point of the composite phase change material (202) is 100-500 ℃, and the heating use temperature range is 100-800 ℃.
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CN201920433235.8U CN210801382U (en) | 2019-04-02 | 2019-04-02 | Off-peak electricity heat storage household type heating device |
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CN201920433235.8U CN210801382U (en) | 2019-04-02 | 2019-04-02 | Off-peak electricity heat storage household type heating device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110173749A (en) * | 2019-04-02 | 2019-08-27 | 北京工业大学 | A kind of trough-electricity heat accumulation house type heating system |
CN114673978A (en) * | 2022-03-29 | 2022-06-28 | 西安热工研究院有限公司 | Steam generation system of high-temperature gas cooled reactor steam turbine shaft seal system |
-
2019
- 2019-04-02 CN CN201920433235.8U patent/CN210801382U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110173749A (en) * | 2019-04-02 | 2019-08-27 | 北京工业大学 | A kind of trough-electricity heat accumulation house type heating system |
CN110173749B (en) * | 2019-04-02 | 2023-09-26 | 北京工业大学 | Off-peak electricity heat storage house type heating system |
CN114673978A (en) * | 2022-03-29 | 2022-06-28 | 西安热工研究院有限公司 | Steam generation system of high-temperature gas cooled reactor steam turbine shaft seal system |
CN114673978B (en) * | 2022-03-29 | 2024-03-26 | 西安热工研究院有限公司 | Steam generating system of high-temperature gas cooled reactor steam turbine shaft seal system |
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