CN210267733U - Direct heat exchange heat storage type electric heating device - Google Patents
Direct heat exchange heat storage type electric heating device Download PDFInfo
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- CN210267733U CN210267733U CN201920948250.6U CN201920948250U CN210267733U CN 210267733 U CN210267733 U CN 210267733U CN 201920948250 U CN201920948250 U CN 201920948250U CN 210267733 U CN210267733 U CN 210267733U
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Abstract
The utility model belongs to the technical field of energy-concerving and environment-protective, a heat accumulation type electric heater unit of direct heat transfer is disclosed, include support baffle-box (7) be connected with inlet tube (17) and set up in the casing that supports baffle-box (7) top, inside heat transfer outer tube (61) that is provided with of casing, and heat transfer outer tube (61) and support baffle-box (7) intercommunication, be provided with interior sleeve pipe of heat transfer (62) in heat transfer outer tube (61), interior sleeve pipe of heat transfer (62) is connected with outlet pipe (8), the casing intussuseption be filled with heat accumulation material (1), be provided with heating wire (2) in heat accumulation material. The utility model discloses directly carry out the heat transfer in the heat accumulator is inside, and heat exchange efficiency is high, does not have the loss of heat waste and the attached facility of heat transfer, and has realized the self preservation and has protected.
Description
Technical Field
The utility model belongs to the technical field of energy-concerving and environment-protective, concretely relates to heat accumulation type electric heater unit of direct heat transfer.
Background
In recent years, due to the continuous development of the electric power industry in China, the industrial structure is changed greatly, the quality of life of people is improved continuously, and especially in places with special requirements on environmental protection in central cities and sufficient power supply, the heat storage type electric heating device is widely used. However, in the heat exchange of the existing heat storage type electric heating device, hot air is generally used as a heat transfer medium, and a variable frequency fan is used for pushing the heat transfer medium to flow through a fin heat exchanger and the like to exchange heat to an output medium (such as water) so as to achieve the effect of outputting heat energy. The magnitude of the heat output power depends on a variable frequency fan, the fan consumes extra energy, the heat exchange system has heat loss, and the heat exchange efficiency is low; and the heat exchange structure is complicated, the control system is complicated, the cost is high, and additional protective measures are required to be set, so that the danger caused by the overheating and gasification of the output medium is avoided.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a heat storage type electric heating device with direct heat exchange.
The utility model discloses the technical scheme who adopts does: heat accumulation type electric heater unit of direct heat transfer includes the support baffle-box that advances water piping connection and sets up in the casing that supports the baffle-box top, the inside heat transfer outer tube that is provided with of casing, and the heat transfer outer tube with support the baffle-box intercommunication, be provided with the heat transfer in the heat transfer outer tube and overlap the pipe connection in the heat transfer, the casing in the heat transfer fill and have heat accumulation material, be provided with the heating wire in the heat accumulation material.
Furthermore, the shell comprises a shell and an inner container, and a heat insulation layer is arranged between the shell and the inner container.
Furthermore, a water distributor is arranged in the supporting buffer tank and is connected with the water inlet pipe, and a water outlet of the water distributor is arranged downwards.
Furthermore, the supporting buffer box is connected with a pressure relief pipe, and a pressure relief valve is arranged on the pressure relief pipe.
Furthermore, the supporting buffer box is connected with an exhaust pipe, and an exhaust valve is arranged on the exhaust pipe.
Furthermore, the water outlet pipe and the water inlet pipe are both connected with a heat exchanger, and the heat exchanger is respectively connected with a user side water return pipe and a user side water supply pipe.
Further, the water-saving device also comprises a normal-temperature water replenishing tank, and the normal-temperature water replenishing tank is respectively communicated with the water inlet pipe and the user side water return pipe.
Furthermore, a temperature sensor is arranged on the user side water supply pipe.
Furthermore, the water inlet pipe is provided with a heat exchange water pump, and the user side water return pipe is provided with a circulating water pump.
Furthermore, the heat exchange outer sleeve is a copper pipe.
The utility model has the advantages that: (1) the heat exchange is directly carried out in the heat accumulator, the heat exchange efficiency is high, and no heat loss or heat exchange accessory facility loss exists.
(2) When the heat demand is less, the water in the deformed heat pipe is naturally gasified, the water level in the heat exchange inner sleeve pipe is reduced, the heat exchange area is reduced, the heat exchange quantity is automatically reduced, and otherwise, the self-adaption does not need external control intervention.
(3) Under extreme conditions, when the heat accumulator is at a higher temperature, power is cut off or heat energy is not output at all, water in the heat exchange pipe is even completely gasified and enters the buffer tank, at the moment, the heat exchange is almost stopped, and the protection effect is automatically realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a control system frame body in the present invention;
in the figure: 1-heat storage material, 2-electric heating wire, 3-inner container, 4-heat preservation layer, 5-outer shell, 6-heat exchange combined pipe, 61-heat exchange outer sleeve, 62-heat exchange inner sleeve, 7-support buffer tank, 8-water outlet pipe, 9-water distributor, 10-heat exchange water pump, 11-heat exchanger, 12-circulating water pump, 13-normal temperature water replenishing tank, 14-pressure relief valve, 15-exhaust valve, 16-temperature sensor, 17-water inlet pipe, 18-user side water return pipe and 19-user side water supply pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "front", "rear", "left", "right", "bottom", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present embodiments.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1, the heat storage type electric heating apparatus with direct heat exchange includes a support buffer tank 7 connected to a water inlet pipe 17, a housing disposed above the support buffer tank 7, and a heat exchange combined pipe 6, where the heat exchange combined pipe 6 includes an outer heat exchange sleeve 61 and an inner heat exchange sleeve 62. Inside a plurality of heat transfer outer tube 61 that are provided with of casing, and heat transfer outer tube 61 and support baffle-box 7 intercommunication are provided with heat transfer inner tube 62 in the heat transfer outer tube 61, and heat transfer inner tube 62 is connected with outlet pipe 8, the casing in pack have heat accumulation material 1, be provided with evenly distributed's heating wire 2 in the heat accumulation material 1. The water inlet pipe 17 is provided with a heat exchange water pump 10. The thermal storage material 1 is a solid thermal storage material.
The heat release process of the device is as follows: the low-temperature backwater enters the supporting buffer tank 7 through the driving of the heat exchange water pump 10, the heat is absorbed from the heat storage material 1 upwards through the gap between the heat exchange outer sleeve 61 and the heat exchange inner sleeve 62, the temperature rises, and the high-temperature water is gathered downwards into the water outlet pipe 8 through the heat exchange inner sleeve 62 and is conveyed to a user for use. The heat exchange outer sleeve 61 can be a copper pipe, and the heat exchange amount is increased.
Self-adaptation process of heat release rate of heat storage material: when the heat demand of a user is less, the flow of the water outlet pipe 8 is reduced, the heat transfer quantity of the heat exchange combined pipe 6 is larger, the water in the heat exchange combined pipe 6 is naturally gasified, the liquid level in the heat exchange combined pipe 6 is reduced, and the heat transfer quantity of the heat exchange combined pipe 6 is reduced. The reverse occurs when the user's heat demand increases.
Spontaneous protection function in extreme cases: when the user stops supplying heat or power is cut off, the liquid level in the heat exchange outer sleeve 61 is very low, steam even enters the supporting buffer tank 7, at the moment, the heat transfer function of the heat exchange combined pipe 6 basically disappears, and the system is not dangerous.
Further protection functions: the supporting buffer tank 7 is connected with a pressure relief pipe, and a pressure relief valve 14 is arranged on the pressure relief pipe. The supporting buffer box 7 is connected with an exhaust pipe, and an exhaust valve 15 is arranged on the exhaust pipe. If a large amount of steam is generated in the supporting buffer tank 7, the exhaust valve 15 can automatically exhaust; if the pressure in the supporting buffer tank 7 is too high, the pressure relief valve 14 is opened to relieve the pressure, and the safety is ensured.
Example two
As shown in fig. 1, the heat storage type electric heating apparatus with direct heat exchange includes a support buffer tank 7 connected to a water inlet pipe 17, a housing disposed above the support buffer tank 7, and a heat exchange combined pipe 6, where the heat exchange combined pipe 6 includes an outer heat exchange sleeve 61 and an inner heat exchange sleeve 62. Inside a plurality of heat transfer outer tube 61 that are provided with of casing, and heat transfer outer tube 61 and support baffle-box 7 intercommunication are provided with heat transfer inner tube 62 in the heat transfer outer tube 61, and heat transfer inner tube 62 is connected with outlet pipe 8, the casing in pack have heat accumulation material 1, be provided with evenly distributed's heating wire 2 in the heat accumulation material 1. The water inlet pipe 17 is provided with a heat exchange water pump 10. The thermal storage material 1 is a solid thermal storage material.
The heat release process of the device is as follows: the low-temperature backwater enters the supporting buffer tank 7 through the driving of the heat exchange water pump 10, the heat is absorbed from the heat storage material 1 upwards through the gap between the heat exchange outer sleeve 61 and the heat exchange inner sleeve 62, the temperature rises, and the high-temperature water is gathered downwards into the water outlet pipe 8 through the heat exchange inner sleeve 62 and is conveyed to a user for use. The heat exchange outer sleeve 61 can be a copper pipe, and the heat exchange amount is increased.
Self-adaptation process of heat release rate of heat storage material: when the heat demand of a user is less, the flow of the water outlet pipe 8 is reduced, the heat transfer quantity of the heat exchange combined pipe 6 is larger, the water in the heat exchange combined pipe 6 is naturally gasified, the liquid level in the heat exchange combined pipe 6 is reduced, and the heat transfer quantity of the heat exchange combined pipe 6 is reduced. The reverse occurs when the user's heat demand increases.
Spontaneous protection function in extreme cases: when the user stops supplying heat or power is cut off, the liquid level in the heat exchange outer sleeve 61 is very low, steam even enters the supporting buffer tank 7, at the moment, the heat transfer function of the heat exchange combined pipe 6 basically disappears, and the system is not dangerous.
Further protection functions: the supporting buffer tank 7 is connected with a pressure relief pipe, and a pressure relief valve 14 is arranged on the pressure relief pipe. The supporting buffer box 7 is connected with an exhaust pipe, and an exhaust valve 15 is arranged on the exhaust pipe. If a large amount of steam is generated in the supporting buffer tank 7, the exhaust valve 15 can automatically exhaust; if the pressure in the supporting buffer tank 7 is too high, the pressure relief valve 14 is opened to relieve the pressure, and the safety is ensured.
As shown in fig. 1, the casing includes a casing 5 and an inner container 3, and a heat insulation layer 4 is arranged between the casing 5 and the inner container 3. The insulating layer 4 is made of insulating material, such as polystyrene board.
The supporting buffer tank 7 is internally provided with a water distributor 9, the water distributor 9 is connected with a water inlet pipe 17, and a water outlet of the water distributor 9 is arranged downwards. The temperature in the supporting buffer tank 7 is ensured to be uniform.
EXAMPLE III
As shown in fig. 1, the heat storage type electric heating apparatus with direct heat exchange includes a support buffer tank 7 connected to a water inlet pipe 17, a housing disposed above the support buffer tank 7, and a heat exchange combined pipe 6, where the heat exchange combined pipe 6 includes an outer heat exchange sleeve 61 and an inner heat exchange sleeve 62. Inside a plurality of heat transfer outer tube 61 that are provided with of casing, and heat transfer outer tube 61 and support baffle-box 7 intercommunication are provided with heat transfer inner tube 62 in the heat transfer outer tube 61, and heat transfer inner tube 62 is connected with outlet pipe 8, the casing in pack have heat accumulation material 1, be provided with evenly distributed's heating wire 2 in the heat accumulation material 1. The water inlet pipe 17 is provided with a heat exchange water pump 10. The thermal storage material 1 is a solid thermal storage material.
The heat release process of the device is as follows: the low-temperature backwater enters the supporting buffer tank 7 through the driving of the heat exchange water pump 10, the heat is absorbed from the heat storage material 1 upwards through the gap between the heat exchange outer sleeve 61 and the heat exchange inner sleeve 62, the temperature rises, and the high-temperature water is gathered downwards into the water outlet pipe 8 through the heat exchange inner sleeve 62 and is conveyed to a user for use. The heat exchange outer sleeve 61 can be a copper pipe, and the heat exchange amount is increased.
Self-adaptation process of heat release rate of heat storage material: when the heat demand of a user is less, the flow of the water outlet pipe 8 is reduced, the heat transfer quantity of the heat exchange combined pipe 6 is larger, the water in the heat exchange combined pipe 6 is naturally gasified, the liquid level in the heat exchange combined pipe 6 is reduced, and the heat transfer quantity of the heat exchange combined pipe 6 is reduced. The reverse occurs when the user's heat demand increases.
Spontaneous protection function in extreme cases: when the user stops supplying heat or power is cut off, the liquid level in the heat exchange outer sleeve 61 is very low, steam even enters the supporting buffer tank 7, at the moment, the heat transfer function of the heat exchange combined pipe 6 basically disappears, and the system is not dangerous.
Further protection functions: the supporting buffer tank 7 is connected with a pressure relief pipe, and a pressure relief valve 14 is arranged on the pressure relief pipe. The supporting buffer box 7 is connected with an exhaust pipe, and an exhaust valve 15 is arranged on the exhaust pipe. If a large amount of steam is generated in the supporting buffer tank 7, the exhaust valve 15 can automatically exhaust; if the pressure in the supporting buffer tank 7 is too high, the pressure relief valve 14 is opened to relieve the pressure, and the safety is ensured.
As shown in fig. 1, the casing includes a casing 5 and an inner container 3, and a heat insulation layer 4 is arranged between the casing 5 and the inner container 3. The insulating layer 4 is made of insulating material, such as polystyrene board.
The supporting buffer tank 7 is internally provided with a water distributor 9, the water distributor 9 is connected with a water inlet pipe 17, and a water outlet of the water distributor 9 is arranged downwards. The temperature in the supporting buffer tank 7 is ensured to be uniform.
The water outlet pipe 8 and the water inlet pipe 17 are both connected with a heat exchanger 11, and the heat exchanger 11 is respectively connected with a user side water return pipe 18 and a user side water supply pipe 19. The heat exchanger 11 may be a plate heat exchanger. So that the high-temperature water in the water outlet pipe 8 and the low-temperature water in the user side water return pipe 18 exchange heat. High-temperature water in the water outlet pipe 8 enters the supporting buffer tank 7 through the water inlet pipe 17 after heat exchange, and low-temperature water in the user side water return pipe 18 supplies heat to a user through the user side water supply pipe 19 after heat exchange.
As shown in figure 1, the device also comprises a normal temperature water replenishing tank 13, wherein the normal temperature water replenishing tank 13 is arranged at a high position, one end of the normal pressure water replenishing tank 13 is communicated with a water inlet pipe 17, and the other end of the normal pressure water replenishing tank 13 is communicated with a user side water return pipe 18. Be provided with circulating water pump 12 on user side wet return 18, user side return water gets into normal atmospheric temperature moisturizing case 13 through circulating water pump 12, guarantees to store the water of sufficient in the normal atmospheric temperature moisturizing case 13, because normal atmospheric temperature moisturizing case 13 position is higher than whole equipment, when supporting buffer tank 7 lack of water, can natural water supply.
As shown in fig. 2, the device is also provided with a control system and an input end with a human-computer interface, and a corresponding temperature detection sensor is arranged in the heat storage material 1. The temperature detection sensor is connected with the control system, the temperature detection sensor transmits the real-time temperature value of the heat storage material 1 to the control system, the control system runs a preset program, and the heating of the heating wire 2 is controlled, so that the heat stored in the heat storage material 1 meets the requirement.
The user side water supply pipe 19 is provided with a temperature sensor 16, the temperature sensor 16 is connected with a control system, and the control system controls the heat exchange water pump 10 and the circulating water pump 12. The control system collects the information of the temperature sensor 16, compares the information with the water outlet temperature set by a user, adjusts the frequency of the heat exchange water pump 10 through PID, increases the frequency of the heat exchange water pump 10 when the water outlet temperature is lower than a set value, increases the heat exchange flow of the heat exchanger 11 or increases the frequency of the circulating water pump 12, reduces heat exchange, and vice versa.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (10)
1. Direct heat transfer's heat accumulation type electric heater unit which characterized in that: including support baffle-box (7) be connected with inlet tube (17) and set up in the casing that supports baffle-box (7) top, inside heat transfer outer tube (61) that is provided with of casing, and heat transfer outer tube (61) and support baffle-box (7) intercommunication are provided with interior sleeve pipe (62) of heat transfer in heat transfer outer tube (61), and interior sleeve pipe (62) of heat transfer is connected with outlet pipe (8), the casing intussuseption be filled with heat accumulation material (1), be provided with heating wire (2) in heat accumulation material (1).
2. The direct heat exchange heat storage type electric heating apparatus according to claim 1, wherein: the shell comprises a shell (5) and an inner container (3), and a heat-insulating layer (4) is arranged between the shell (5) and the inner container (3).
3. The direct heat exchange heat storage type electric heating apparatus according to claim 1, wherein: the water distributor (9) is arranged in the supporting buffer tank (7), the water distributor (9) is connected with the water inlet pipe (17), and the water outlet hole of the water distributor (9) is arranged downwards.
4. The direct heat exchange heat storage type electric heating apparatus according to claim 1, wherein: the supporting buffer box (7) is connected with a pressure relief pipe, and a pressure relief valve (14) is arranged on the pressure relief pipe.
5. The direct heat exchange heat storage type electric heating apparatus according to claim 1, wherein: the supporting buffer box (7) is connected with an exhaust pipe, and an exhaust valve (15) is arranged on the exhaust pipe.
6. The direct heat exchange heat storage type electric heating apparatus according to claim 1, wherein: the water outlet pipe (8) and the water inlet pipe (17) are both connected with the heat exchanger (11), and the heat exchanger (11) is respectively connected with the user side water return pipe (18) and the user side water supply pipe (19).
7. The direct heat exchange heat storage type electric heating apparatus according to claim 6, wherein: the water-saving device is characterized by further comprising a normal-temperature water replenishing tank (13), wherein the normal-temperature water replenishing tank (13) is communicated with the water inlet pipe (17) and the user side water return pipe (18) respectively.
8. The direct heat exchange heat storage type electric heating apparatus according to claim 6, wherein: the user side water supply pipe (19) is provided with a temperature sensor (16).
9. The direct heat exchange heat storage type electric heating apparatus according to claim 6, wherein: the water inlet pipe (17) is provided with a heat exchange water pump (10), and the user side water return pipe (18) is provided with a circulating water pump (12).
10. The direct heat exchange heat storage type electric heating apparatus according to claim 1, wherein: the heat exchange outer sleeve (61) is a copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920948250.6U CN210267733U (en) | 2019-06-21 | 2019-06-21 | Direct heat exchange heat storage type electric heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920948250.6U CN210267733U (en) | 2019-06-21 | 2019-06-21 | Direct heat exchange heat storage type electric heating device |
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| Publication Number | Publication Date |
|---|---|
| CN210267733U true CN210267733U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920948250.6U Active CN210267733U (en) | 2019-06-21 | 2019-06-21 | Direct heat exchange heat storage type electric heating device |
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| CN (1) | CN210267733U (en) |
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- 2019-06-21 CN CN201920948250.6U patent/CN210267733U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Qi Inventor after: Chen Jiahao Inventor after: Lin Tianjun Inventor after: Zhang Liang Inventor after: Bai Yang Inventor after: Zhang Zhilong Inventor after: Su Wang Inventor after: Zhou Rui Inventor after: Li Ning Inventor after: Xing Baiyang Inventor before: Chen Qi Inventor before: Lin Tianjun Inventor before: Xing Baiyang Inventor before: Chen Jiahao Inventor before: Li Ning Inventor before: Zhou Rui Inventor before: Bai Yang Inventor before: Su Wang |
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| CB03 | Change of inventor or designer information |