CN214620771U - Solid electric heat storage system capable of cutting off heat output - Google Patents
Solid electric heat storage system capable of cutting off heat output Download PDFInfo
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- CN214620771U CN214620771U CN202120720727.2U CN202120720727U CN214620771U CN 214620771 U CN214620771 U CN 214620771U CN 202120720727 U CN202120720727 U CN 202120720727U CN 214620771 U CN214620771 U CN 214620771U
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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 solid electricity heat accumulation system of thermal output can turn off, it includes: take the heat accumulation jar body of heat preservation casing, the heat exchanger, the job control ware, the technical essential is: solid heat storage materials are contained in the heat storage tank body, electric heating pipes are uniformly distributed in the solid heat storage materials, a metal finned pipe is coiled in the solid heat storage materials, the upper part of the metal finned pipe is communicated with the top of the heat exchanger through an output pipe, and the lower part of the metal finned pipe is communicated with a low-temperature output port of the heat exchanger sequentially through an input pipe and a circulating driver; the heat exchanger is internally provided with a heat carrier heat absorption pipeline and a metal closed cavity capable of storing heat exchange media in a steam state and a liquid state; the lower interface of the heat carrier heat absorption pipeline is communicated with a heat carrier source through a connecting pipe, a heat carrier output valve is installed on the upper interface of the heat carrier heat absorption pipeline, and the heat carrier output valve is communicated with a heat user through the connecting pipe. The low-cost valley electric energy is used for heating the solid heat storage material to store heat, and then the heat energy stored in the solid heat storage material is output according to the heat supply requirement of an intermittent heat user.
Description
Technical Field
The utility model belongs to the technical field of the solid electricity heat accumulation technique and specifically relates to an utilize low-priced low ebb electric energy to heat solid heat accumulation material and carry out the heat accumulation, the solid electricity heat accumulation system of the thermal output that can turn-off according to intermittent type formula heat consumer heat supply demand output heat energy with the heat energy of storage in the solid heat accumulation material again. The device can provide domestic hot water, steam or heat carrier for output circulation heat supply for users.
Background
At present, the solid electric heat storage equipment commonly used in the market generally utilizes low-price valley electric energy to heat the solid heat storage material in the equipment to 200-. The heat exchanger adopts a 'wind-water' heat exchange mode, and the heat output capacity is increased by adjusting the heat power carried by circulating wind or increasing the heat absorption area of the finned tubes in the heat exchanger. Solid electric thermal storage devices incorporating such heat exchangers can accommodate device heat rejection output capacities in the range of 5% to 200% of electrical input power. Such solid state electrical thermal storage devices suffer from the disadvantage of not being able to maintain zero thermal energy output for long periods of time, especially during the thermal storage period of the device. The reason for this is that when the heat user does not need heat energy, the air heat exchange medium in the heat exchange channel of the equipment cannot be removed, the solid heat storage material filled with air in the heat release channel is not blocked easily to transfer heat energy to the heat exchanger, and the heat energy is accumulated in the heat exchanger to continuously raise or vaporize the temperature of the heat carrier, thereby causing heat energy loss and even safety accidents. The solid electric heat storage equipment is only suitable for heat users with continuous heat supply requirements or independent equipment rooms with solid electric heat storage power of more than 100 kilowatts. In order to overcome the defect that the heat exchanger cannot keep zero output of heat energy for a long time, a new exchange medium needs to be reselected to replace an air exchange medium to finish the process of transferring heat energy from the solid heat storage material to the heat exchanger, when a user does not have a heat energy demand, the exchange medium in the heat exchange channel can be recovered or the flow of the heat exchange medium is stopped, the heat release channel of the solid heat storage material is blocked, and therefore electric energy is saved.
Disclosure of Invention
The utility model aims at providing an utilize the low ebb electricity to carry out solid electric heat accumulation to can turn off the solid electric heat accumulation system of heat output according to the demand of heat consumer and use at any time.
The utility model discloses the technical scheme who adopts: a solid state electrical thermal storage system capable of shutting off heat output, comprising: the heat storage tank with the heat preservation shell, the heat exchanger, the work controller, the heat carrier source, the heat consumer, its characterized in that: the heat storage tank body is arranged in the heat insulation shell, solid heat storage materials are contained in the heat storage tank body, electric heating pipes connected with a power supply loop are uniformly distributed in the solid heat storage materials, a metal finned tube capable of resisting the corrosion of the solid heat storage materials in a high-temperature or phase-change liquefaction state is coiled in the solid heat storage materials, the upper part of the metal finned tube is communicated with a high-temperature input port of the heat exchanger through an output tube, the lower part of the metal finned tube is communicated with a low-temperature output port of the heat exchanger through an input tube and a circulating driver in sequence, a feed inlet for the solid heat storage materials is further arranged at the upper end of the heat storage tank body, and a discharge port for the solid heat storage materials is arranged at the lower end of the heat storage tank body; the heat exchanger is a metal closed cavity which is provided with a heat-insulating coating, is internally provided with a heat carrier heat absorption pipeline and can store a heat exchange medium; the lower interface of the heat carrier heat absorption pipeline in the metal closed cavity is communicated with a heat carrier source through a connecting pipe, the upper interface of the heat carrier heat absorption pipeline in the metal closed cavity is provided with a heat carrier output valve, and the heat carrier output valve is connected with a heat user through the connecting pipe.
The work controller set up, store heat accumulation and exothermic parameter, according to the intelligent executive component of heat accumulation and exothermic parameter work.
The heat carrier source of the utility model refers to a device which can output purified water, compressed air, heat conducting oil, antifreeze or has a mobile heat carrier in a pipeline.
The hot users of the utility model comprise users who need hot water, steam, building heating, industrial heat sources, medical disinfection, shower room water heaters and hot water drinking water machines.
The liquid state heat exchange medium can generate steam when absorbing heat, and can be condensed into flowing liquid when meeting cold or can be heat-conducting fluid which is not gasified within the working temperature range of the solid heat storage material.
The solid heat storage material of the utility model is bulk solid material of salt particles, calcined hematite particles and broken stone aggregate.
Circulation driver including enable heat transfer medium pressure boost, atomizing or can promote the electric actuator that heat transfer medium flows in the pipeline.
The inside of the heat storage tank body needs to be full of solid heat storage material during the operating condition, and the solid heat storage material needs to be emptied during the carrying state.
The utility model discloses establish the heat transfer circulation passageway of a switch type between the heat accumulation jar body and heat exchanger, put into work controller's with hot data according to the heat consumer, can open or close the passageway of the solid heat accumulation material in the heat accumulation jar body to heat exchanger release heat energy.
The utility model has the advantages that: when the solid electric heat storage system capable of shutting off heat output keeps normal heat storage of the solid heat storage material, the heat release output mode can be set to three states of working, preheating and pausing. The working state is the heat energy output state of the device, when the device is in the working state, the circulating driver works to pressurize and drive the high-temperature heat exchange medium in the metal fin tube to be sent into the heat exchanger, so that the heat carrier flowing into the heat absorption pipeline from the heat carrier source can be heated in high power, and if the heat carrier is purified water, instant heating drinking hot water can be provided for users; the preheating state is a waiting state of heat energy output of the device, the circulating driver works intermittently when the device is in the preheating state, the high-temperature heat exchange medium in the metal fin tube is output discontinuously, the working temperature of the heat exchange medium in the heat exchanger can be kept equal to the output temperature of a user heat carrier, and the heat carrier cannot deviate from the use temperature; the pause state is a stop state of the heat energy output of the device, when the device is in the stop state, the circulating driver stops working, no high-temperature heat exchange medium is output in the metal finned tube, and the heat energy stored by the solid heat storage material cannot be conveyed to the heat exchanger, so that the heat carrier cannot generate heat accumulation to reduce heat energy loss, and safety accidents cannot occur.
The utility model discloses but turn-off heat output's solid electricity heat accumulation system, electricity heat accumulation power can many combination outputs below 100 kilowatts, be suitable for those and want to utilize the night millet to carry out solid heat accumulation and replace traditional water tank heat accumulation's family, public place, school wait people and the hot user of equipment co-located one room and for overcoming the low bulky or need heat accumulation output temperature of heat accumulation water tank heat accumulation density and be higher than the high-grade heat energy more than 100 ℃, or the heat accumulation water tank feels unhealthy intermittent type formula when heating repeatedly and drinking and uses the hot user. Can replace commercially available water heaters of kitchens and shower rooms, hot water drinking machines in public places, medical electric heating steam disinfection equipment and building electric heating equipment.
Drawings
Fig. 1 is a schematic diagram of a solid electric heat storage system capable of shutting off heat output according to the present invention;
fig. 2 is a schematic diagram of another solid electric heat storage system capable of shutting off heat output according to the present invention.
The main components in the drawings are illustrated as follows: 1. the heat storage device comprises a heat storage tank body, 2, a solid heat storage material, 3, an electric heating pipe, 4, a heat insulation shell, 5, an input pipe, 6, a metal finned pipe, 7, an output pipe, 8, a heat exchanger, 9, a heat absorption pipeline, 10, a connecting pipe, 10-1, a connecting pipe, 11, a liquid state heat exchange medium, 12, a steam state heat exchange medium, 13, an atomized state heat exchange medium, 14, a thermocouple, 15, a circulating driver, 16, heat conduction oil, 17, a heat storage temperature thermocouple, 18, a heat carrier output valve, 19, a heat user, 20, a heat carrier source, 21, a work controller, 22, a solid heat storage material feeding port, 23, a solid heat storage material discharge port, 24, a low-temperature output port, 25 and a high-temperature input port.
The drawing is only a schematic diagram of an embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawing without creative efforts.
Detailed Description
The following detailed description of the embodiments of the present invention is to be read in connection with the accompanying drawings, which are to be construed as exemplary and illustrative only and not limiting in any way.
A structure mounting portion:
as shown in fig. 1 and 2, a closed loop system is connected between the heat storage tank 1 and the heat exchanger 8, wherein the closed loop system is connected in series to control the heat release cycle according to the operating conditions of the above components, starting from the connection of the low temperature output port 24 to the cycle driver 15, and ending with the connection of the input pipe 5, the metal finned pipe 6, and the output pipe 7 to the high temperature input port 25. A heat storage tank body 1 for containing solid heat storage materials 2 is arranged in the heat preservation shell 4, and a solid heat storage material feeding hole 22 and a solid heat storage material discharging hole 23 are respectively formed in the upper part and the bottom part of the heat storage tank body 1; an electric heating pipe 3 and a metal finned pipe 6 which can resist the corrosion of the solid heat storage material 2 in a high-temperature or phase-change liquefaction state are arranged in the heat storage tank body 1; a heat storage temperature thermocouple 17 is arranged outside the heat storage tank body 1; the outside of the heat storage tank body 1 is connected with a heat exchanger 8 through an input pipe 5 and an output pipe 7, and a circulating driver 15 is connected between the input pipe 5 and the heat exchanger 8 in series; the lower interface of the heat absorption pipeline 9 installed in the heat exchanger 8 is communicated with a heat carrier source 20 through a connecting pipe 10, the upper interface of the heat absorption pipeline 9 inside the heat exchanger 8 is provided with a heat carrier output valve 18, the heat carrier output valve 18 is communicated with a heat consumer 19 through a connecting pipe 10-1, and the heat exchanger 8 is provided with a thermocouple 14.
When the heat storage tank is installed and used for the first time on site, the solid heat storage materials 2 which are randomly prepared are filled into the heat storage tank body 1 through the heat storage material feeding hole 22, the heat carrier source 20 is well connected with the lower interface of the heat carrier heat absorption pipeline 9 which is installed in the heat exchanger 8 through the connecting pipe 10, and a power supply cable provided by a user is well connected with a wire terminal which is connected with the work controller 21 in an internal mode.
After all peripheral cables and pipelines are installed and checked to be correct, a power supply program of the work controller 21 is started to enable the electric heating pipe 3 to be electrified and work, and when the heat storage temperature thermocouple 17 detects that the heat storage temperature of the solid heat storage material 2 reaches a set temperature, the work controller 21 cuts off a work power supply of the electric heating pipe 3 and stops working.
The working process part:
firstly, the liquid heat exchange medium 11 shown in fig. 1 is water, the circulation driver 15 is a combination of an atomizing nozzle at the output end of the plunger pump, and the normal heat storage working temperature of the solid heat storage material 2 is set within the range of 100-:
when the heat exchanger works for heat release, the volume of the liquid heat exchange medium 11 filled in the heat exchanger 8 is not more than 50% of the volume of the heat exchanger 8, so that a space for the steam heat exchange medium 12 is reserved in the heat exchanger 8. When the thermocouple 14 detects that the temperature of the liquid-state heat exchange medium 11 in the heat exchanger 8 is lower than a set temperature, the work controller 21 starts the circulation driver 15 to firstly increase the work pressure, and then the high-pressure heat exchange medium 11 is decompressed through the nozzle small holes in the circulation driver 15 to form an atomized heat exchange medium 13, the atomized heat exchange medium 13 is input into the metal finned tube 6 through the input tube 5, the metal finned tube 6 absorbs heat energy in the solid heat storage material 2, the atomized heat exchange medium 13 is heated to generate a steam-state heat exchange medium 12, and the steam-state heat exchange medium 12 is input into the heat exchanger 8 through the output tube 7 to increase the temperature of the liquid-state heat exchange medium 11.
When the heat user 19 opens the heat carrier output valve 18, the heat carrier in the heat carrier source 20 flows into the heat absorption pipeline 9, the heat energy contained in the liquid state heat exchange medium 11 and the steam state heat exchange medium 12 in the heat exchanger 8 is absorbed through the heat absorption pipeline 9, and the heat carrier in the heat carrier source 20 is heated to the set temperature and then is provided for the heat user 19 to use.
When the heat user 19 sets a pause heat supply mode, the circulation driver 15 stops working and cannot spray the atomized heat exchange medium 13, at this time, the metal finned tube 6 is in an empty tube dry burning state without the atomized heat exchange medium 13, the metal finned tube 6 does not have a condition of absorbing heat energy in the solid heat storage material 2 to generate the steam heat exchange medium 12, the steam heat exchange medium 12 is input into the heat exchanger 8 through the output tube 7 to release heat, the heat energy stored in the solid heat storage material 2 loses a heat release channel, the heat exchanger 8 does not have a source of heating energy, and the solid electric heat storage system capable of shutting off heat output is in a heat output closed state.
Secondly, the liquid heat exchange medium shown in fig. 2 is heat conduction oil 16 with 300 ℃ of working temperature for resisting oxidation, which can endure high temperature of the solid heat storage material without being gasified and carbonized, the circulation driver 15 is a gear pump, the normal heat storage working temperature of the solid heat storage material 2 can be set in the range of 100-250 ℃, and the working process of the solid electric heat storage system capable of shutting off heat output is described as follows:
when the heat exchanger works, the volume of the heat conduction oil 16 filled in the heat exchanger 8 is not more than 50% of the volume of the heat exchanger 8, so that a space for the heat conduction oil 16 to expand in volume when being heated is reserved in the heat exchanger 8. When the thermocouple 14 detects that the temperature of the heat conduction oil 16 in the heat exchanger 8 is lower than the set temperature, the work controller 21 starts the circulating driver 15 to pump the heat conduction oil 16 into the metal finned tube 6 through the input tube 5, the metal finned tube 6 absorbs heat energy in the solid heat storage material 2 to heat the heat conduction oil 16, the heat conduction oil 16 is conveyed to the heat exchanger 8 through the output tube 7, and the temperature of the heat conduction oil 16 in the heat exchanger 8 is increased.
When the heat user 19 opens the heat carrier output valve 18, the heat carrier in the heat carrier source 20 flows into the heat absorption pipeline 9, the heat energy of the heat conduction oil 16 in the heat exchanger 8 is absorbed through the heat absorption pipeline 9, and the heat carrier in the heat carrier source 20 is heated to the set temperature and then is provided for the heat user 19 to use.
When the heat user 19 sets a heat supply pause mode, the circulation driver 15 stops working and cannot drive the heat conduction oil 16 to flow, the metal finned tube 6 cannot convey the high-temperature heat conduction oil 16 to the heat exchanger 8 through the output tube 7 for heat release, the heat energy stored in the solid heat storage material 2 loses a heat release channel, the heat exchanger 8 has no source of heating energy, and the solid electric heat storage system capable of shutting off heat output is in a heat output closed state.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. A solid state electrical thermal storage system capable of shutting off heat output, comprising: take the heat accumulation jar body of heat preservation casing, the heat exchanger, the work controller, the heat carrier source, the heat consumer, its characterized in that: the heat storage tank body is arranged in the heat insulation shell, solid heat storage materials are contained in the heat storage tank body, electric heating pipes connected with a power supply loop are uniformly distributed in the solid heat storage materials, a metal finned tube capable of resisting the corrosion of the solid heat storage materials in a high-temperature or phase-change liquefaction state is coiled in the solid heat storage materials, the upper part of the metal finned tube is communicated with a high-temperature input port of the heat exchanger through an output tube, the lower part of the metal finned tube is communicated with a low-temperature output port of the heat exchanger through an input tube and a circulating driver in sequence, a feed inlet for the solid heat storage materials is further arranged at the upper end of the heat storage tank body, and a discharge port for the solid heat storage materials is arranged at the lower end of the heat storage tank body; the heat exchanger is a metal closed cavity which is provided with a heat-insulating coating, is internally provided with a heat carrier heat absorption pipeline and can store a heat exchange medium; the lower interface of the heat carrier heat absorption pipeline in the metal closed cavity is communicated with a heat carrier source through a connecting pipe, the upper interface of the heat carrier heat absorption pipeline in the metal closed cavity is provided with a heat carrier output valve, and the heat carrier output valve is communicated with a heat user through the connecting pipe.
2. A solid state electric thermal storage system that can shut off heat output according to claim 1, characterized in that: the work controller is an execution electric control component which is used for setting and storing heat storage and heat release parameters and works according to the heat storage and heat release parameters.
3. A solid state electric thermal storage system that can shut off heat output according to claim 1, characterized in that: the heat carrier source is a device capable of outputting heat carriers comprising water, compressed air, heat conduction oil, antifreeze or fluid heat carriers in pipelines.
4. A solid state electric thermal storage system that can shut off heat output according to claim 1, characterized in that: the hot users comprise users who need hot water, steam, building heating, industrial heat sources, medical disinfection, shower room water heaters and hot water dispensers.
5. A solid state electric thermal storage system that can shut off heat output according to claim 1, characterized in that: the heat exchange medium is flowing liquid which can generate steam when absorbing heat and condense when meeting cold or heat-conducting oil substances which can bear the high temperature of the solid heat storage material and cannot be gasified.
6. A solid state electric thermal storage system that can shut off heat output according to claim 1, characterized in that: the solid heat storage material is bulk solid material of salt particles, calcined hematite particles and broken stone aggregate.
7. A solid state electric thermal storage system that can shut off heat output according to claim 1, characterized in that: the circulating driver comprises an electric device which can pressurize, atomize or push the heat exchange medium to flow in the pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120720727.2U CN214620771U (en) | 2021-04-09 | 2021-04-09 | Solid electric heat storage system capable of cutting off heat output |
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| CN202120720727.2U CN214620771U (en) | 2021-04-09 | 2021-04-09 | Solid electric heat storage system capable of cutting off heat output |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028872A (en) * | 2021-04-09 | 2021-06-25 | 沈阳世杰电器有限公司 | Solid electric heat storage system capable of cutting off heat output |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028872A (en) * | 2021-04-09 | 2021-06-25 | 沈阳世杰电器有限公司 | Solid electric heat storage system capable of cutting off heat output |
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