CN216347996U - Switching type high-temperature heat exchange device - Google Patents
Switching type high-temperature heat exchange device Download PDFInfo
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- CN216347996U CN216347996U CN202122963838.9U CN202122963838U CN216347996U CN 216347996 U CN216347996 U CN 216347996U CN 202122963838 U CN202122963838 U CN 202122963838U CN 216347996 U CN216347996 U CN 216347996U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model is suitable for the technical field of heat exchange devices, and provides a switching type high-temperature heat exchange device, wherein a low-temperature medium pipeline and a high-temperature medium pipeline are arranged at two ends of a main body, the low-temperature medium pipeline is used for conveying a low-temperature medium into the main body, the high-temperature medium pipeline is used for discharging the medium subjected to heat exchange out of the main body, a plurality of heat accumulators for heat exchange are arranged in the main body, the low-temperature medium enters the main body through the low-temperature medium pipeline, then is guided into the pipeline through a two-position four-way reversing valve, is cooled through the heat accumulators, is discharged through the high-temperature medium pipeline after being cooled through heat exchange, is discharged through a low-temperature flue gas pipeline after being subjected to heat exchange to obtain the heat accumulators for heat exchange and cooling, and can break through the limitation of the temperature of a common heat exchanger in a heat exchange mode similar to obtain a heat medium stream, the heat medium flow of 1300 ℃ or above in a heat storage reversing mode is realized.
Description
Technical Field
The utility model belongs to the technical field of heat exchange devices, and particularly relates to a switching type high-temperature heat exchange device.
Background
According to the double carbon route planning of the Chinese academy of thermophysics, the energy is still saved mainly by 2030. The effective utilization of the flue gas waste heat after the high-temperature combustion in the metallurgical enterprises is undoubtedly an important means for the metallurgical enterprises to reduce the energy consumption. At present, the main mode of utilizing the waste heat of high-temperature flue gas is respectively a heat exchange mode of a metal heat exchanger or a reversing heat storage mode of a ceramic heat accumulator. Firstly, the heat content of the flue gas is stored in the heat storage body, then the heat storage body releases heat through reversing, and the heat content in the heat storage body is transferred to a circulating medium. The metal heat exchanger is limited by the long-term use temperature of materials, and the preheating temperature of a medium is usually lower than 650 ℃.
This patent switches formula high temperature heat transfer device, can be similar to the incessant hot medium stream that obtains of heat exchanger heat transfer mode, can also break through ordinary heat exchanger temperature limit, realizes the hot medium stream more than 1300 ℃ of heat accumulation switching-over mode, and easy and simple to handle, dependable performance, stability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a switching type high-temperature heat exchange device, and aims to solve the problem of the background story.
The utility model is realized in such a way that a switching type high-temperature heat exchange device comprises a high-temperature flue gas pipeline and a low-temperature flue gas pipeline, wherein the high-temperature flue gas pipeline and the low-temperature flue gas pipeline are arranged at two ends of a main body, the high-temperature flue gas pipeline is used for inputting high-temperature gas into the main body, the low-temperature flue gas pipeline is used for discharging the low-temperature gas after heat exchange from the inside of the main body, a low-temperature medium pipeline and a high-temperature medium pipeline are arranged at two ends of the main body, the low-temperature medium pipeline is used for conveying low-temperature medium into the main body, the high-temperature medium pipeline is used for discharging the medium after heat exchange from the inside of the main body, a plurality of heat accumulators for heat exchange are arranged in the main body, and a plurality of two-position four-way reversing valves for guiding the high-temperature gas or the low-temperature gas to enter different heat accumulators are arranged in the main body.
Preferably, the high-temperature flue gas pipeline is arranged at one end of the main body, and the high-temperature medium pipeline is further arranged at the same end of the main body.
Preferably, the other end of the main body is provided with the low-temperature flue gas pipeline, and the low-temperature flue gas pipeline and the low-temperature medium pipeline are arranged at the same end of the main body.
Preferably, the two-position four-way reversing valve comprises a first two-position four-way reversing valve, a second two-position four-way reversing valve, a third two-position four-way reversing valve and a fourth two-position four-way reversing valve, the first two-position four-way reversing valve is connected with one end of the high-temperature flue gas pipeline and one end of the high-temperature medium pipeline through pipelines, and the other end of the high-temperature flue gas pipeline and the other end of the high-temperature medium pipeline are connected with the second two-position four-way reversing valve through pipelines.
Preferably, the third two-position four-way reversing valve is connected to one end of the low-temperature flue gas pipeline and one end of the low-temperature medium pipeline through pipelines, and the other end of the low-temperature flue gas pipeline and the other end of the low-temperature medium pipeline are connected to the fourth two-position four-way reversing valve through pipelines.
Preferably, the plurality of heat accumulators includes a first heat accumulator, a second heat accumulator, a third heat accumulator, and a fourth heat accumulator, the first heat accumulator and the third heat accumulator are disposed between the first two-position four-way selector valve and the third two-position four-way selector valve, and the second heat accumulator and the fourth heat accumulator are disposed between the second two-position four-way selector valve and the fourth two-position four-way selector valve.
Compared with the prior art, the utility model has the beneficial effects that: according to the switching type high-temperature heat exchange device, a low-temperature medium enters the main body through the low-temperature medium pipeline, then is guided to enter the pipeline through the two-position four-way reversing valve, the heat accumulator is cooled through the heat accumulator, the low-temperature medium is cooled through heat exchange and then is discharged through the high-temperature medium pipeline, high-temperature gas enters the main body through the high-temperature flue gas pipeline, the heat accumulator obtained after the heat exchange and cooling is carried out and is discharged through the low-temperature flue gas pipeline, and a heat medium flow is obtained uninterruptedly through a heat exchange mode similar to a heat exchanger, so that the temperature limitation of a common heat exchanger can be broken through, and the heat medium flow of the heat exchange mode of more than 1300 ℃ is realized.
Meanwhile, the main body is provided with four heat accumulators, so that the workload is large. Two heat accumulators of accessible carry out low temperature medium heat transfer and two heat accumulators carry out the high-temperature gas heat transfer and carry out alternate use, can improve work efficiency like this, also can prevent to carry out heat transfer work load by a pair of heat accumulator too big, lead to the damage of heat accumulator.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the main gas flow lines of the present invention;
in the figure: 1. a high temperature flue gas duct; 2. a first two-position, four-way reversing valve; 3. a second two-position, four-way reversing valve; 4. a first heat storage body; 5. a second heat storage body; 6. a third two-position four-way reversing valve; 7. a fourth two-position four-way reversing valve; 8. a low temperature flue gas duct; 9. a cryogenic medium conduit; 10. a third heat storage body; 11. a fourth heat storage body; 12. high temperature medium pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a switch formula high temperature heat transfer device, includes high temperature flue gas pipeline 1 and low temperature flue gas pipeline 8, and high temperature flue gas pipeline 1 and low temperature flue gas pipeline 8 set up the both ends in the main part, and high temperature flue gas pipeline 1 is used for importing high temperature gas inside the main part, and low temperature flue gas pipeline 8 is used for discharging low temperature gas after the heat transfer from the main part is inside, and the main part both ends are provided with low temperature medium pipeline 9 and high temperature medium pipeline 12, and low temperature medium pipeline 9 is used for carrying the low temperature medium inside the main part, and high temperature medium pipeline 12 is used for inside the medium discharge main part after the heat transfer, and the main part is inside to be provided with a plurality of heat accumulators that are used for the heat transfer, is provided with a plurality of two-position cross directional control valves that are used for guiding high temperature gas or low temperature gas to get into not stating the heat accumulator in the main part.
Inside high-temperature gas got into the main part through high temperature flue gas pipeline 1, it is inside to guide the entering pipeline through two-position four-way reversing valve, carry out the heat transfer through the heat accumulator when the heat accumulator, then the gas after the cooling is discharged through low temperature flue gas pipeline 8, the low temperature medium gets into inside the main part through low temperature medium pipeline 9, it cools down to he to get into the heat accumulator that just exchanged heat through two-position four-way reversing valve guide, the medium after the heat transfer passes through high temperature medium pipeline 12 and is discharged from the main part is inside, can carry out the heat transfer to high-temperature gas again after the heat accumulator cooling.
Main part one end is provided with high temperature flue gas pipeline 1, and the same end of main part still is provided with high temperature medium pipeline 12, and the main part other end is provided with low temperature flue gas pipeline 8, and low temperature flue gas pipeline 8 sets up with low temperature medium pipeline 9 the same end of main part.
Inside high-temperature gas got into the main part through high temperature flue gas pipeline 1, then through inside the heat accumulator heat transfer back through low temperature flue gas pipeline 8 discharge main part, inside low temperature medium got into the main part through low temperature medium pipeline 9, then carries out the heat transfer cooling back to the heat accumulator, and the medium of heat transfer passes through high temperature medium pipeline 12 and discharges.
The two-position four-way reversing valve comprises a first two-position four-way reversing valve 2, a second two-position four-way reversing valve 3, a third two-position four-way reversing valve 6 and a fourth two-position four-way reversing valve 7, the first two-position four-way reversing valve 2 is connected with one end of a high-temperature flue gas pipeline 1 and one end of a high-temperature medium pipeline 12 through pipelines, the other end of the high-temperature flue gas pipeline 1 and the other end of the high-temperature medium pipeline 12 are connected with the second two-position four-way reversing valve 3 through pipelines, the third two-position four-way reversing valve 6 is connected with one end of a low-temperature flue gas pipeline 8 and one end of a low-temperature medium pipeline 9 through pipelines, the other ends of the low-temperature flue gas pipeline 8 and the low-temperature medium pipeline 9 are connected with the fourth two-position four-way reversing valve 7 through pipelines, a plurality of heat accumulators comprise a first heat accumulator 4, a second heat accumulator 5, a third heat accumulator 10 and a fourth heat accumulator 11, the first heat accumulator 4 and the third heat accumulator 10 are arranged between the first two-position four-way reversing valve 2 and the third two-position four-way reversing valve 6, the second heat accumulator 5 and the fourth heat accumulator 11 are arranged between the second two-position four-way selector valve 3 and the fourth two-position four-way selector valve 7.
The high-temperature flue gas in the high-temperature flue gas pipeline 1 flows to the first heat accumulator 4 and the second heat accumulator 5 through the first two-position four-way reversing valve 2 and the second two-position four-way reversing valve 3 respectively, and then is discharged from the low-temperature flue gas pipeline 8 through the third two-position four-way reversing valve 6 and the fourth two-position four-way reversing valve 7. At this time, the low-temperature medium in the low-temperature medium pipeline 9 flows to the third heat accumulator 10 and the fourth heat accumulator 11 through the third two-position four-way reversing valve 6 and the fourth two-position four-way reversing valve 7, and then is discharged through the high-temperature medium pipeline 12 through the first two-position four-way reversing valve 2 and the second two-position four-way reversing valve 3.
The working principle and the using process of the utility model are as follows: after the high-temperature flue gas heat storage device is installed, high-temperature flue gas in a high-temperature flue gas pipeline 1 flows to a first heat accumulator 4 and a second heat accumulator 5 through a first two-position four-way reversing valve 2 and a second two-position four-way reversing valve 3 respectively, and then is discharged from a low-temperature flue gas pipeline 8 through a third two-position four-way reversing valve 6 and a fourth two-position four-way reversing valve 7. At this time, the low-temperature medium in the low-temperature medium pipeline 9 flows to the third heat accumulator 10 and the fourth heat accumulator 11 through the third two-position four-way reversing valve 6 and the fourth two-position four-way reversing valve 7, and then is discharged through the high-temperature medium pipeline 12 through the first two-position four-way reversing valve 2 and the second two-position four-way reversing valve 3.
The four two-position four-way reversing valves are reversed simultaneously, and at the moment, high-temperature flue gas in the high-temperature flue gas pipeline 1 flows to a third heat accumulator 10 and a fourth heat accumulator 11 which are cooled by low-temperature media in the previous period through a first two-position four-way reversing valve 2 and a second two-position four-way reversing valve 3 respectively, passes through a third two-position four-way reversing valve 6 and a fourth two-position four-way reversing valve 7 and is discharged from a low-temperature flue gas pipeline 8. At this time, the low-temperature medium in the low-temperature medium pipeline 9 flows to the first heat accumulator 4 and the second heat accumulator 5 which are heated by the high-temperature flue gas in the previous period through the third two-position four-way reversing valve 6 and the fourth two-position four-way reversing valve 7, and then is discharged through the high-temperature medium pipeline 12 through the first two-position four-way reversing valve 2 and the second two-position four-way reversing valve 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a switch formula high temperature heat transfer device which characterized in that: comprises a high-temperature flue gas pipeline (1) and a low-temperature flue gas pipeline (8), wherein the high-temperature flue gas pipeline (1) and the low-temperature flue gas pipeline (8) are arranged at two ends of a main body, the high-temperature flue gas pipeline (1) is used for inputting high-temperature gas into the main body, the low-temperature flue gas pipeline (8) is used for discharging low-temperature gas after heat exchange from the inside of the main body, a low-temperature medium pipeline (9) and a high-temperature medium pipeline (12) are arranged at the two ends of the main body, the low-temperature medium pipeline (9) is used for conveying a low-temperature medium to the interior of the main body, the high-temperature medium pipeline (12) is used for discharging a medium subjected to heat exchange to the interior of the main body, the heat storage device comprises a main body and is characterized in that a plurality of heat accumulators used for heat exchange are arranged in the main body, and a plurality of two-position four-way reversing valves used for guiding high-temperature gas or low-temperature gas to enter different heat accumulators are arranged on the main body.
2. A switching high temperature heat exchange apparatus according to claim 1, wherein: the high-temperature flue gas pipeline (1) is arranged at one end of the main body, and the high-temperature medium pipeline (12) is further arranged at the same end of the main body.
3. A switching high temperature heat exchange apparatus according to claim 1, wherein: the other end of the main body is provided with the low-temperature flue gas pipeline (8), and the low-temperature flue gas pipeline (8) and the low-temperature medium pipeline (9) are arranged at the same end of the main body.
4. A switching high temperature heat exchange apparatus according to claim 2, wherein: the two-position four-way reversing valve comprises a first two-position four-way reversing valve (2), a second two-position four-way reversing valve (3), a third two-position four-way reversing valve (6) and a fourth two-position four-way reversing valve (7), wherein the first two-position four-way reversing valve (2) is connected with one end of the high-temperature flue gas pipeline (1) and one end of the high-temperature medium pipeline (12) through pipelines, and the other end of the high-temperature flue gas pipeline (1) and the other end of the high-temperature medium pipeline (12) are connected with the second two-position four-way reversing valve (3) through pipelines.
5. The switching type high-temperature heat exchange device according to claim 4, wherein: the third two-position four-way reversing valve (6) is connected with one end of the low-temperature flue gas pipeline (8) and one end of the low-temperature medium pipeline (9) through pipelines, and the other end of the low-temperature flue gas pipeline (8) and the other end of the low-temperature medium pipeline (9) are connected with the fourth two-position four-way reversing valve (7) through pipelines.
6. The switching type high-temperature heat exchange device according to claim 5, wherein: the heat accumulators comprise a first heat accumulator (4), a second heat accumulator (5), a third heat accumulator (10) and a fourth heat accumulator (11), the first heat accumulator (4) and the third heat accumulator (10) are arranged between the first two-position four-way reversing valve (3) and the third two-position four-way reversing valve (6), and the second heat accumulator (5) and the fourth heat accumulator (11) are arranged between the second two-position four-way reversing valve (3) and the fourth two-position four-way reversing valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122963838.9U CN216347996U (en) | 2021-11-30 | 2021-11-30 | Switching type high-temperature heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122963838.9U CN216347996U (en) | 2021-11-30 | 2021-11-30 | Switching type high-temperature heat exchange device |
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| Publication Number | Publication Date |
|---|---|
| CN216347996U true CN216347996U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122963838.9U Active CN216347996U (en) | 2021-11-30 | 2021-11-30 | Switching type high-temperature heat exchange device |
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| CN (1) | CN216347996U (en) |
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2021
- 2021-11-30 CN CN202122963838.9U patent/CN216347996U/en active Active
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