CN211424535U - Multi-cavity step-by-step heating device - Google Patents
Multi-cavity step-by-step heating device Download PDFInfo
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- CN211424535U CN211424535U CN202020072083.6U CN202020072083U CN211424535U CN 211424535 U CN211424535 U CN 211424535U CN 202020072083 U CN202020072083 U CN 202020072083U CN 211424535 U CN211424535 U CN 211424535U
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Abstract
The utility model discloses a multi-cavity step-by-step heating device, which comprises a plurality of heating modules connected in series step by step, wherein each heating module comprises a totally-closed fluid container and a plurality of electric heating bodies, a plurality of negative pressure vacuum cavities are arranged in the totally-closed fluid container, the electric heating bodies are arranged in the negative pressure vacuum cavities, and fluid channels communicated with each other are arranged among the negative pressure vacuum cavities; and the two ends of the totally-enclosed fluid container are respectively provided with a fluid inlet and a fluid outlet, and the fluid inlet of the latter totally-enclosed fluid container is communicated with the fluid outlet of the former totally-enclosed fluid container. The utility model provides a multi-chamber, heating device step by step, simple structure, safe and reliable can realize heating step by step, effectively improves heating efficiency.
Description
Technical Field
The utility model relates to an electrical heating technical field especially relates to a multi-chamber, step by step heating device.
Background
In recent years, China continuously strengthens the environment-friendly construction, and the development concept that the green water mountain is the Jinshan Yinshan is keen. In the region with the heating demand in winter, most of the traditional heating or heating modes are coal and natural gas combustion used as heat sources, and a large amount of harmful gases such as carbon dioxide and the like can be discharged to cause atmospheric pollution. In the new and normal state of economy, the power production is increased rapidly, and the coal-to-electricity conversion mode is adopted to provide a heat source by taking power as a heat supply mode, so that redundant electric energy can be digested, and the transformation and the upgrade of the industry in China are promoted. In order to make the policy of changing coal into electricity fall to the ground, the state not only strongly subsidizes equipment, but also subsidizes electricity consumption.
The coal-to-electricity project mainly relates to rural areas and towns around cities, the maximum load of a house-entering line of each household is 6Kw, and large-area popularization can relate to electric power capacity increase and old line transformation. At present electric heating or heating source equipment, because the electric heat conversion efficiency of heating element is generally low and the defect of structural design, no matter be resistance-type heating or electromagnetic type heating, design power per se can not be less than 8Kw/100 square meters, and the heating expense of coal-fired heating of resident before still is too high. Therefore, it is of great social significance to develop an electric heating device with high efficiency and low energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-chamber, heating device step by step, simple structure, safe and reliable can realize heating step by step, effectively improves heating efficiency.
In order to achieve the above object, the utility model provides a following scheme:
a multi-cavity step-by-step heating device comprises a plurality of heating modules connected in series step by step, wherein each heating module comprises a totally-enclosed fluid container and a plurality of electric heating bodies, a plurality of negative pressure vacuum cavities are arranged in the totally-enclosed fluid container, the electric heating bodies are arranged in the negative pressure vacuum cavities, and fluid channels communicated with each other are formed among the negative pressure vacuum cavities; and the two ends of the totally-enclosed fluid container are respectively provided with a fluid inlet and a fluid outlet, and the fluid inlet of the latter totally-enclosed fluid container is communicated with the fluid outlet of the former totally-enclosed fluid container.
Optionally, the plurality of negative pressure vacuum chambers are arranged in parallel and communicated with each other through a first communication pipe.
Optionally, a negative pressure pumping preset pipe is arranged on the totally-enclosed fluid container, and the negative pressure pumping preset pipe penetrates through the outer wall of the totally-enclosed fluid container and is communicated with the negative pressure vacuum cavity.
Optionally, a second communicating pipe is arranged between the outer wall of the totally-enclosed fluid bladder and the negative pressure vacuum chamber, and the electric heater penetrates out of the second communicating pipe and is sealed and fixed through a mechanical sealing element.
Optionally, the two ends of the totally-enclosed fluid container are both provided with a second communicating pipe, the electric heating body penetrates through the negative pressure vacuum cavity, and the two ends of the electric heating body are fixedly connected with the two ends of the totally-enclosed fluid container in a sealing manner through mechanical sealing parts.
Optionally, the inner wall of the fluid channel and the inner wall of the negative pressure vacuum cavity are both provided with a heat conducting coating.
Optionally, the totally-enclosed fluid bladder is made of metal, silicon carbide or graphene.
Optionally, an insulating layer is disposed on the outer circumferential surface of the totally-enclosed fluid bladder.
Optionally, the number of the heating modules is 4.
Optionally, the multi-chamber, step-by-step heating device still includes inlet channel and outlet conduit, the inlet channel is linked together with the fluid inlet of first totally closed fluid courage, the outlet conduit is linked together with the fluid outlet of last totally closed fluid courage, the outlet conduit is linked together through heat abstractor, circulating device and inlet channel.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a multi-chamber, step-by-step heating device, first, adopt the mode that a plurality of heating module cascade connection connect, simple structure, modular design breaks through the limitation of heating area, can increase or reduce module quantity at will because of the change of heating area, and simple to operate is swift, can realize fluidic intensification heating step by step simultaneously to improve heating efficiency greatly; secondly, a plurality of negative pressure vacuum cavities are arranged in the totally-enclosed fluid container, and electric heating bodies are arranged in the negative pressure vacuum cavities, so that simultaneous heating of a plurality of groups of electric heating bodies is realized, and the heating efficiency is greatly improved; thirdly, the negative pressure vacuum cavity is beneficial to the conduction of heat radiation by virtue of the characteristic of negative pressure vacuum, avoids heat loss (about 10 percent of total heat energy) caused by heat convection, obviously improves the overall heat efficiency conversion, and simultaneously, because oxygen is not in the vacuum, the totally-enclosed liner and the electric heating body are not easy to oxidize and corrode, thereby greatly prolonging the service life of the heating body; fourthly, heat conducting coatings are arranged on the inner wall of the totally-enclosed fluid container and the inner wall of the negative pressure vacuum cavity, and an insulating and heat-insulating layer is arranged on the outer peripheral surface of the totally-enclosed fluid container, so that the heating and heat-insulating effects are further improved, and the energy-saving and environment-friendly effects are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of a multi-chamber step-by-step heating apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a part A of a heating module according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a heating module according to an embodiment of the present invention;
reference numerals: 1. a fluid inlet; 2. a fluid outlet; 3. a circulation pump; 4. a totally-enclosed fluid bladder; 5. a negative pressure vacuum cavity; 6. an electric heater; 7. a fluid channel; 8. pumping a negative pressure preset pipe; 9. a first communication pipe; 10. a mechanical seal; 11. and a second communication pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a multi-chamber, heating device step by step, simple structure, safe and reliable can realize heating step by step, effectively improves heating efficiency.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-3, the multi-cavity step-by-step heating device provided by the present invention comprises a plurality of heating modules connected in series step by step, each heating module comprises a totally-enclosed fluid container 4 and a plurality of electric heating bodies 6, a plurality of negative pressure vacuum chambers 5 are arranged inside the totally-enclosed fluid container 4, the electric heating bodies 6 are arranged in the negative pressure vacuum chambers 5, and a plurality of fluid passages 7 are arranged between the negative pressure vacuum chambers 5 and are communicated with each other; two ends of the totally-enclosed fluid container 4 are respectively provided with a fluid inlet 1 and a fluid outlet 2, and the fluid inlet of the latter totally-enclosed fluid container is communicated with the fluid outlet of the former totally-enclosed fluid container.
The negative pressure vacuum chambers 5 are arranged in parallel and are communicated with each other through a first communication pipe 9.
The totally-enclosed fluid container 4 is provided with a negative pressure pumping preset pipe 8, and the negative pressure pumping preset pipe 8 penetrates through the outer wall of the totally-enclosed fluid container 4 and is communicated with the negative pressure vacuum cavity 5.
A second communicating pipe 11 is arranged between the outer wall of the totally-enclosed fluid container 4 and the negative pressure vacuum cavity 5, and the electric heating body penetrates out of the second communicating pipe 11 and is sealed and fixed through a mechanical sealing element 10.
The two ends of the totally-enclosed fluid container 4 are both provided with a second communicating pipe 11, the electric heating body 6 penetrates through the negative pressure vacuum cavity 5, and the two ends of the electric heating body 6 are fixedly connected with the two ends of the totally-enclosed fluid container 4 in a sealing manner through mechanical sealing parts 10.
And heat-conducting coatings are arranged on the inner wall of the fluid channel and the inner wall of the negative pressure vacuum cavity. The totally-enclosed fluid container is made of metal, silicon carbide or graphene. And an insulating layer is arranged on the peripheral surface of the totally-enclosed fluid container.
The multi-cavity heating device step by step further comprises a water inlet pipeline and a water outlet pipeline, wherein the water inlet pipeline is communicated with a fluid inlet of the first totally-enclosed fluid container, the water outlet pipeline is communicated with a fluid outlet of the last totally-enclosed fluid container, and the water outlet pipeline is communicated with the water inlet pipeline through a heat dissipation device and a circulating device.
In this embodiment, 4 heating modules are provided; the 4 heating modules are communicated in series through pipelines, and the circulating device is a circulating pump 3; cold fluid enters from a fluid inlet of the first totally-enclosed fluid container through the circulating pump 3, sequentially passes through the first heating module, the second heating module, the third heating module and the fourth heating module, flows out from a fluid outlet of the last totally-enclosed fluid container, flows through an external heat dissipation device, reenters the fluid inlet of the first heating module 1, and circulates in a reciprocating manner; after being electrified, the electric heaters 6 in the negative-pressure vacuum cavities 5 roast the inner walls of the negative-pressure vacuum cavities, and heat a plurality of groups of heating sources on the fluid, so that the aim of heating the circulating fluid step by step is fulfilled.
The multi-cavity step-by-step heating device further comprises a controller, a water inlet temperature sensor and a water outlet temperature sensor, wherein the water inlet temperature sensor is arranged at a fluid inlet of the first totally-enclosed fluid container, the water outlet temperature sensor is arranged at a fluid outlet of the last totally-enclosed fluid container, and the controller is electrically connected with the electric heating body, the water inlet temperature sensor and the water outlet temperature sensor respectively; the controller can gather into water and the temperature of leaving water in real time through temperature sensor of intaking and temperature sensor of leaving water, and the staff of being convenient for masters heating device's heating condition, calculates heating efficiency etc. further controls electric heating body's heating power.
The utility model provides a multi-chamber, step-by-step heating device, first, adopt the mode that a plurality of heating module cascade connection connect, simple structure, modular design breaks through the limitation of heating area, can increase or reduce module quantity at will because of the change of heating area, and simple to operate is swift, can realize fluidic intensification heating step by step simultaneously to improve heating efficiency greatly; secondly, a plurality of negative pressure vacuum cavities are arranged in the totally-enclosed fluid container, and electric heating bodies are arranged in the negative pressure vacuum cavities, so that simultaneous heating of a plurality of groups of electric heating bodies is realized, and the heating efficiency is greatly improved; thirdly, the negative pressure vacuum cavity is beneficial to the conduction of heat radiation by virtue of the characteristic of negative pressure vacuum, avoids heat loss (about 10 percent of total heat energy) caused by heat convection, obviously improves the overall heat efficiency conversion, and simultaneously, because oxygen is not in the vacuum, the totally-enclosed liner and the electric heating body are not easy to oxidize and corrode, thereby greatly prolonging the service life of the heating body; fourthly, heat conducting coatings are arranged on the inner wall of the totally-enclosed fluid container and the inner wall of the negative pressure vacuum cavity, and an insulating and heat-insulating layer is arranged on the outer peripheral surface of the totally-enclosed fluid container, so that the heating and heat-insulating effects are further improved, and the energy-saving and environment-friendly effects are achieved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. A multi-cavity step-by-step heating device is characterized by comprising a plurality of heating modules connected in series step by step, wherein each heating module comprises a totally-closed fluid container and a plurality of electric heating bodies, a plurality of negative pressure vacuum cavities are arranged in the totally-closed fluid container, the electric heating bodies are arranged in the negative pressure vacuum cavities, and fluid channels communicated with each other are arranged among the negative pressure vacuum cavities; and the two ends of the totally-enclosed fluid container are respectively provided with a fluid inlet and a fluid outlet, and the fluid inlet of the latter totally-enclosed fluid container is communicated with the fluid outlet of the former totally-enclosed fluid container.
2. A multi-chamber, progressive heating device according to claim 1, wherein a plurality of said vacuum chambers are arranged in parallel with each other and are interconnected by a first communication pipe.
3. A multi-chamber, progressive heating device as recited in claim 1, wherein a negative pressure pre-set tube is provided on the totally enclosed fluid bladder, the negative pressure pre-set tube extending through an outer wall of the totally enclosed fluid bladder and communicating with the negative pressure vacuum chamber.
4. A multi-chamber progressive heating apparatus according to claim 1, wherein a second communicating pipe is provided between the outer wall of the totally enclosed fluid bladder and the negative pressure vacuum chamber, and the electric heater penetrates out of the second communicating pipe and is sealed and fixed by a mechanical seal.
5. The multi-cavity progressive heating device according to claim 4, wherein second communicating pipes are arranged at both ends of the totally-enclosed fluid container, the electric heater penetrates through the negative-pressure vacuum cavity, and both ends of the electric heater are fixedly connected with both ends of the totally-enclosed fluid container in a sealing manner through mechanical sealing parts.
6. A multi-chamber, progressive heating device according to claim 1, wherein the inner walls of the fluid channels and the inner walls of the vacuum chamber are provided with a thermally conductive coating.
7. A multi-chamber, progressive heating device as claimed in claim 1, wherein the material of the totally enclosed fluid bladder is metal, silicon carbide or graphene.
8. A multi-chamber, progressive heating apparatus as claimed in claim 1 wherein an insulating thermal barrier is provided on the outer peripheral surface of the hermetically sealed fluid bladder.
9. The multi-cavity, progressive heating apparatus of claim 1, wherein the number of heating modules is 4.
10. The multi-chamber, progressive heating device of claim 1, further comprising an inlet conduit and an outlet conduit, the inlet conduit being in communication with a fluid inlet of a first fully enclosed fluid bladder, the outlet conduit being in communication with a fluid outlet of a last fully enclosed fluid bladder, the outlet conduit being in communication with the inlet conduit through a heat sink, a circulation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072083.6U CN211424535U (en) | 2020-01-14 | 2020-01-14 | Multi-cavity step-by-step heating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072083.6U CN211424535U (en) | 2020-01-14 | 2020-01-14 | Multi-cavity step-by-step heating device |
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| CN211424535U true CN211424535U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020072083.6U Active CN211424535U (en) | 2020-01-14 | 2020-01-14 | Multi-cavity step-by-step heating device |
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Effective date of registration: 20210723 Address after: 061100 Huanghua Economic Development Zone, Cangzhou City, Hebei Province Patentee after: Hebei constant temperature energy technology Co.,Ltd. Address before: 061100 No. 8 Yinhe Road, Huanghua Development Zone, Cangzhou City, Hebei Province Patentee before: Huanghua Mingyan Environmental Protection Technology Co.,Ltd. |
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