CN212657777U - Off-peak electricity and electricity heat accumulation warm air supply device - Google Patents

Off-peak electricity and electricity heat accumulation warm air supply device Download PDF

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CN212657777U
CN212657777U CN202021788193.9U CN202021788193U CN212657777U CN 212657777 U CN212657777 U CN 212657777U CN 202021788193 U CN202021788193 U CN 202021788193U CN 212657777 U CN212657777 U CN 212657777U
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heat
cavity
medium
heat pump
weilermier
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CN202021788193.9U
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陈六彪
王俊杰
季伟
郭嘉
顾开选
崔晨
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Technical Institute of Physics and Chemistry of CAS
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Technical Institute of Physics and Chemistry of CAS
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Abstract

The embodiment of the utility model provides a low ebb electricity heat accumulation warm braw feeding device relates to heat energy technical field. The heat-preserving device comprises a heat-preserving cavity, a Weilermier heat pump and a heat-preserving medium arranged in the heat-preserving cavity, wherein the heat-preserving medium is connected with external power supply equipment through a heating element, a room temperature cavity of the Weilermier heat pump is positioned outside the heat-preserving cavity, a medium temperature cavity and a high temperature cavity of the Weilermier heat pump are positioned inside the heat-preserving cavity, the high temperature cavity of the Weilermier heat pump is thermally connected with the heat-preserving medium, the heat-preserving cavity is provided with an air inlet and an air outlet, and external air enters from the air inlet and then sequentially passes through the medium temperature cavity, the high temperature cavity and the heat-preserving medium of the Weilermier heat pump and then is discharged from the air outlet, wherein the heating element is. The embodiment of the utility model provides a low ebb electricity heat accumulation warm braw feeding device adopts heat energy driven Weile Miller heat pump, heaies up step by step, improves heating efficiency, saves the electric energy, reduces the heating cost.

Description

Off-peak electricity and electricity heat accumulation warm air supply device
Technical Field
The utility model relates to a heat energy technical field especially relates to a low ebb electricity heat accumulation warm braw feeding device.
Background
With the rapid development of the power industry, more and more power station systems emerge in China. During the power consumption peak period, the load is reduced, so that a large amount of off-peak electricity is remained, the power product is characterized in that production, supply and marketing are completed simultaneously, and the large amount of off-peak electricity is remained, so that the waste of power resources is caused, and the energy conservation and the environmental protection are not facilitated. Therefore, the off-peak electricity and the peak electricity adopt different electricity prices to urge people to use electricity by staggering peaks, the energy utilization rate is improved, and the waste is reduced.
In cold winter, the room needs hot air for heating; for industrial operations such as drying, a large amount of hot air is also required. At present, the mode that often adopts is heating in the air conditioning room or other electric heating modes heating. However, these devices mostly adopt a real-time heating mode, and cannot realize off-peak power utilization, so that the heating cost is high.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a low ebb electricity heat accumulation warm braw feeding device for the defect that the warm braw supply cost is high among the solution prior art realizes the power consumption of staggering peak, reduction in production cost.
The embodiment of the utility model provides a low ebb electricity heat accumulation warm braw feeding device, place in heat preservation cavity, weiler mil heat pump reach in heat preservation cavity's heat accumulation medium, the heat accumulation medium passes through heating element and links to each other with external power supply equipment, weiler mil heat pump's room temperature chamber is located the heat preservation cavity is outside, weiler mil heat pump's well warm brave and high temperature chamber are located heat preservation cavity's inside, weiler mil heat pump's high temperature chamber with heat accumulation medium thermal connection, the heat preservation cavity is equipped with air inlet and gas outlet, and outside air follows process in order after the air inlet gets into weiler mil heat pump's well warm brave, high temperature chamber reaches follow behind the heat accumulation medium the gas outlet is discharged, wherein, heating element heats in the low ebb electricity phase, heating element stops heating in the peak electricity phase.
According to the utility model discloses a low ebb electricity electric heat accumulation warm braw feeding device, heating element's one end is installed inside the heat accumulation medium, heating element's the other end stretches out the heat preservation cavity.
According to the utility model discloses an off-peak electricity electric heat accumulation warm braw feeding device, heating element is a plurality of.
According to the utility model discloses a low ebb electricity electric heat accumulation warm braw feeding device, the heat preservation cavity includes outer wall and inner wall, the outer wall is located the outside of inner wall the inner wall with the accommodation space intussuseption that forms between the outer wall is filled with insulation material.
According to the utility model discloses an off-peak electricity electric heat accumulation warm braw feeding device, any kind in magnesia brick, steel ball, fuse salt and the paraffin is adopted to the heat accumulation medium.
According to the utility model discloses a low ebb electricity heat accumulation warm braw feeding device, the heat accumulation medium will the heat preservation cavity is separated for left cavity and right cavity, the air inlet with the gas outlet is laid respectively left cavity with right cavity.
According to the utility model discloses a low ebb electricity heat accumulation warm braw feeding device, fixed mounting has the base in the insulation chamber, the heat accumulation medium piles up on the base.
According to the utility model discloses a low ebb electricity electric heat accumulation warm braw feeding device, the air inlet is located below the well warm chamber of weiler miller heat pump, the gas outlet is located the base is kept away from one side of air inlet.
The embodiment of the utility model provides a low ebb electricity heat accumulation warm braw feeding device, adopt heat energy driven weiler miller heat pump, compare in traditional electric energy driven vapor compression heat pump, heat energy driven heat pump circulation is through absorbing the heat in room temperature chamber and high temperature chamber, emits several times of the heat that the high temperature chamber absorbs in the middle temperature chamber, improves heating efficiency, can effectively reduce the power consumption cost simultaneously; the whole off-peak electricity heat accumulation warm air supply device heats air by using off-peak electricity and supplies heat in a high-peak electricity stage, so that electric energy is saved and heating cost is reduced; outside air enters from the air inlet and then sequentially passes through the medium-temperature cavity and the high-temperature cavity to be heated up step by step, so that the gradient utilization of heat energy is realized, and the heating effect is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a low ebb electricity heat accumulation warm air supply device according to an embodiment of the present invention.
Reference numerals:
10. a heat preservation cavity; 11. an air inlet; 12. an air outlet; 13. an outer wall; 14. an inner wall; 15. A thermal insulation material; 20. a vuilleumier heat pump; 21. a room temperature cavity; 22. a medium temperature cavity; 23. a high temperature chamber; 30. a thermal storage medium; 40. a heating element; 50. a base.
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. 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 noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
The structure of the off-peak electric heat accumulation warm air supply device according to the embodiment of the present invention will be described with reference to fig. 1.
As shown in fig. 1, the utility model provides a low ebb electricity heat accumulation warm braw feeding device, including heat preservation cavity 10, the heat pump 20 of weiler rice and place the heat accumulation medium 30 of heat preservation cavity 10 in. The heat storage medium 30 is connected to an external power supply device via the heating element 40, the external power supply device is electrically connected to the heating element 40, and the heat storage medium 30 is heated by the heating element 40 to store heat in the heat storage medium 30. The room temperature cavity 21 of the vuilleumier heat pump 20 is located outside the heat preservation cavity 10, the middle temperature cavity 22 and the high temperature cavity 23 of the vuilleumier heat pump 20 are located inside the heat preservation cavity 10, and the high temperature cavity 23 of the vuilleumier heat pump 20 is thermally connected with the heat storage medium 30. The heating element 40 may heat both the thermal storage medium 30 and the high temperature cavity of the vuilleumier heat pump 20. The heat preservation cavity 10 is provided with an air inlet 11 and an air outlet 12, and external air enters from the air inlet 11 and then sequentially passes through the medium temperature cavity 22, the high temperature cavity 23 and the heat storage medium 30 of the vuilleumier heat pump 20 and then is discharged from the air outlet 12. Wherein the heating element 40 heats during the low-peak period and the heating element 40 stops heating during the high-peak period.
When the device is used, the velum miller heat pump 20 starts to keep the operation state after being started, and outside air continuously entering from the air inlet 11 is heated into high-temperature air and then is discharged from the air outlet 12 to be supplied to a user. In the valley electricity stage, the heating element 40 continuously heats the heat storage medium 30 and the high temperature cavity 23, converts the electric energy into heat energy and stores the heat energy in the heat storage medium 30, and after entering from the air inlet 11, the external air passes through the medium temperature cavity 22 and the high temperature cavity 23 of the vuilleumier heat pump 20 in sequence, passes through the heat storage medium 30, is heated to a high temperature and then is discharged from the air outlet 12; in the peak electricity stage, the heating element 40 stops heating, the vuilleumier heat pump 20 continues to operate, and the outside air is heated into high-temperature air through the medium-temperature cavity 22, the high-temperature cavity 23 and the heat storage medium 30 in sequence, so that the energy is stored by using the valley electricity, the utilization rate of the electric energy is improved, and the heating cost is reduced. In addition, the outside air enters from the air inlet 11 and then sequentially passes through the middle-temperature cavity 22 and the high-temperature cavity 23 to be heated step by step, so that the gradient utilization of heat energy is realized, and the heating effect is further improved.
The embodiment of the utility model provides a low ebb electricity heat accumulation warm braw feeding device uses low ebb electricity heated air, then at the heat supply of peak electricity stage, effectively saves the electric energy. Compared with the traditional electric energy-driven vapor compression heat pump, the heat energy-driven heat pump 20 is installed at the air inlet 11, and the heat energy-driven heat pump circularly absorbs heat in the room temperature cavity 21 and the high temperature cavity 23 and releases heat which is several times as much as that absorbed by the high temperature cavity 23 in the middle temperature cavity 22, so that the heating efficiency is improved, and meanwhile, the electricity consumption cost can be effectively reduced. In addition, the vuilleumier heat pump 20 is directly driven by heat energy, so that the power consumption is low, and the power consumption cost is further reduced.
Wherein, one end of the heating element 40 is installed inside the heat storage medium 30, and the other end of the heating element 40 extends out of the heat preservation cavity 10. As shown in fig. 1, the heating element 40 extends transversely through the entire thermal storage medium 30 and extends through the insulating cavity 10 to the outside of the insulating cavity 10 for connection to the electrical leads of an external power supply device.
In addition to any of the above embodiments, the heating element 40 may be provided in plurality. A plurality of heating elements 40 are arranged in parallel to facilitate connection to electrical leads of an external power supply. Of course, the plurality of heating elements 40 may be arranged in different directions, for example, some of the heating elements 40 are arranged in the transverse direction, and other heating elements 40 are arranged in the longitudinal direction, so that the heat storage medium 30 is heated by the plurality of heating elements 40 at the same time, and the heat storage medium 30 stores a large amount of heat quickly, and the temperature is raised quickly.
The heat insulation cavity 10 comprises an outer wall 13 and an inner wall 14, the outer wall 13 is located on the outer side of the inner wall 14, and a containing space formed between the inner wall 14 and the outer wall 13 is filled with a heat insulation material 15. As shown in fig. 1, the inner wall 14 and the outer wall 13 are connected to each other to form a certain accommodating space therebetween, and the accommodating space is filled with a thermal insulation material 15 to prevent heat from being diffused outward, thereby improving the utilization rate of heat energy. The thermal insulation material 15 may be any one or a combination of more of polyester foam, glass wool and rock wool, and the embodiment of the present invention is not limited in this respect.
In the embodiment of the present invention, the heat storage medium 30 is made of solid heat storage materials such as magnesium bricks and steel balls, or phase-change heat storage materials such as molten salt and paraffin, and has high heat storage density. For example, the thermal storage medium 30 is formed by stacking a plurality of magnesia bricks or steel blocks. For example, the heat storage medium 30 is a high-temperature molten salt, and the high-temperature molten salt is stored in a case-like structure. Of course, a thermochemical or adsorptive heat storage material may be used as the heat storage medium 30. As shown in fig. 1, the heat storage medium 30 divides the insulating cavity 10 into a left chamber and a right chamber, and the air inlet 11 and the air outlet 12 are respectively arranged in the left chamber and the right chamber to ensure that the air entering the insulating cavity 10 passes through the heat storage medium 30 before being exhausted to sufficiently absorb heat. For example, the air inlet 11 may be disposed in the left chamber, and correspondingly, the air outlet 12 may be disposed in the right chamber; as another example, the inlet port 11 is disposed in the right chamber and the outlet port 12 is disposed in the left chamber. The WeilerMiller heat pump 20 is installed at the air inlet 11, so that the external air is ensured to pass through the middle temperature cavity 22 and the high temperature cavity 23 successively for gradient temperature rise after entering, and the heat utilization rate and the air heating effect are improved. Specifically, the left chamber and the right chamber may be the same or different in size, and the left and right distinction is only used to distinguish the two chambers, and no orientation limitation is made. After entering from the air inlet 11, the outside air is converted into high temperature air by absorbing heat through the heat storage medium 30, and then is discharged from the air outlet 12.
Specifically, as shown in fig. 1, a base 50 is fixedly installed in the thermal insulation cavity 10, and the thermal storage medium 30 is disposed on the base 50. The heat storage medium 30 may abut against the top of the thermal insulation cavity 10, or a certain gap may be reserved for the heat storage medium 30 to expand with heat and contract with cold. The thermal storage medium 30 is connected to the base 50 to divide the thermal insulation chamber 10 into two chambers. The high temperature chamber 23 is thermally connected to the heat storage medium 30, and in order to prevent the medium temperature chamber 22 from being affected by the heat storage medium 30, the medium temperature chamber 22 is disposed corresponding to the base 50. For example, the arrangement direction of the high temperature chamber 23 and the medium temperature chamber 22 coincides with the arrangement direction of the thermal storage medium 30 and the base 50.
Wherein, the middle temperature cavity 22 is respectively connected with the room temperature cavity 21 and the high temperature cavity 23 through connecting pipes. The connecting pipe for connecting the medium temperature cavity 22 and the room temperature cavity 21 penetrates through the wall surface of the heat insulation cavity 10, and the connecting pipe for connecting the medium temperature cavity 22 and the high temperature cavity 23 is positioned in the heat insulation cavity 10.
In the embodiment of the present invention, the air inlet 11 is located below the middle temperature chamber 22 of the vuilleumier heat pump 20, and the air outlet 12 is located on the side of the base 50 away from the air inlet 11. An air inlet fan can be arranged at the air inlet 11, and an air outlet fan can be arranged at the air outlet 12. The air taken in from the air inlet 11 flows upward from the bottom, passes through the medium temperature chamber 22 and the high temperature chamber 23 in this order, then passes through the thermal storage medium 30, and is discharged from the air outlet 12 located on the other side of the thermal storage medium 30. The air outlet 12 is provided corresponding to the base 50 so that the high temperature air passing through the thermal storage medium 30 is discharged after being sufficiently mixed, thereby preventing a local high temperature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (8)

1. The low-ebb electricity heat accumulation warm air supply device is characterized by comprising a heat preservation cavity, a Weilermier heat pump and a heat accumulation medium arranged in the heat preservation cavity, wherein the heat accumulation medium is connected with external power supply equipment through a heating element, a room temperature cavity of the Weilermier heat pump is positioned outside the heat preservation cavity, a medium temperature cavity and a high temperature cavity of the Weilermier heat pump are positioned inside the heat preservation cavity, the high temperature cavity of the Weilermier heat pump is thermally connected with the heat accumulation medium, the heat preservation cavity is provided with an air inlet and an air outlet, external air enters from the air inlet and then sequentially passes through the medium temperature cavity, the high temperature cavity and the heat accumulation medium of the Weilermier heat pump and then is discharged from the air outlet, the heating element heats in a low-ebb electricity stage, and the heating element stops heating in a high-peak electricity stage.
2. The off-peak electric thermal storage warm air supply device according to claim 1, wherein one end of the heating element is installed inside the thermal storage medium, and the other end of the heating element protrudes out of the thermal insulation cavity.
3. The off-peak electric thermal storage warm air supply apparatus according to claim 2, wherein the heating element is plural.
4. The off-peak electric thermal storage warm air supply device according to claim 1, wherein the thermal insulation cavity includes an outer wall and an inner wall, the outer wall is located outside the inner wall, and an accommodation space formed between the inner wall and the outer wall is filled with a thermal insulation material.
5. The off-peak electric-thermal storage warm air supply device according to claim 1, characterized in that the thermal storage medium is any one of magnesia bricks, steel balls, molten salts, and paraffin.
6. The off-peak electric thermal storage warm air supply apparatus according to claim 1, wherein the thermal storage medium divides the thermal insulation cavity into a left chamber and a right chamber, and the air inlet and the air outlet are respectively arranged in the left chamber and the right chamber.
7. The off-peak electric thermal storage warm air supply apparatus according to any one of claims 1 to 6, wherein a base is fixedly mounted in the thermal insulation cavity, and the thermal storage medium is stacked on the base.
8. The off-peak electric thermal storage warm air supply apparatus according to claim 7, wherein the air inlet is located below the medium temperature chamber of the vuilleumier heat pump, and the air outlet is located on a side of the base away from the air inlet.
CN202021788193.9U 2020-08-24 2020-08-24 Off-peak electricity and electricity heat accumulation warm air supply device Active CN212657777U (en)

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Application Number Priority Date Filing Date Title
CN202021788193.9U CN212657777U (en) 2020-08-24 2020-08-24 Off-peak electricity and electricity heat accumulation warm air supply device

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Application Number Priority Date Filing Date Title
CN202021788193.9U CN212657777U (en) 2020-08-24 2020-08-24 Off-peak electricity and electricity heat accumulation warm air supply device

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CN212657777U true CN212657777U (en) 2021-03-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114263897A (en) * 2021-12-31 2022-04-01 西藏康盛能源开发有限公司 Solid heat storage steam device utilizing off-peak electricity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114263897A (en) * 2021-12-31 2022-04-01 西藏康盛能源开发有限公司 Solid heat storage steam device utilizing off-peak electricity
CN114263897B (en) * 2021-12-31 2022-08-26 西藏康盛能源开发有限公司 Solid heat storage steam device utilizing off-peak electricity

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