CN216790226U - Heat exchange device is in coordination with conduction oil flue gas - Google Patents
Heat exchange device is in coordination with conduction oil flue gas Download PDFInfo
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- CN216790226U CN216790226U CN202220309541.2U CN202220309541U CN216790226U CN 216790226 U CN216790226 U CN 216790226U CN 202220309541 U CN202220309541 U CN 202220309541U CN 216790226 U CN216790226 U CN 216790226U
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a heat-conducting oil-smoke synergistic heat exchange device which comprises a heat-conducting oil heat exchanger and an air preheater which are arranged on a smoke pipeline in series; the heat conduction oil heat exchanger comprises a first heat conduction oil inlet pipeline and a first heat conduction oil outlet pipeline; the air preheater has an air inlet duct and an air outlet duct; a third heat exchanger for heat exchange between fresh air and heat conducting oil is arranged on the air inlet pipeline, and a gas outlet of the third heat exchanger is connected with the air inlet pipeline; the third heat exchanger is also provided with a second heat conduction oil inlet pipeline and a second heat conduction oil outlet pipeline; the second heat transfer oil outlet pipeline is connected with the first heat transfer oil inlet pipeline. Compared with the prior art, the heat conduction oil heat exchanger has the advantages that the heat conduction oil after working exchanges heat with fresh air through the third heat exchanger, and the temperature of the heat conduction oil is reduced, so that the heat conduction oil has larger temperature difference with flue gas in the heat conduction oil heat exchanger, heat can be better absorbed, and better energy-saving and environment-friendly effects are achieved.
Description
Technical Field
The utility model relates to the field of flue gas heat energy recovery, in particular to a heat-conducting oil and flue gas cooperative heat exchange device.
Background
When copper-clad plate or insulation board production, need carry out the rubberizing and dry, produce a large amount of waste gases that contain gaseous state organic matter like this, these waste gases use the burning furnace to handle usually, contain a large amount of heats in the burning back flue gas of burning furnace, these heats are discharged to not only causing the influence to the environment in the atmosphere, still cause a large amount of heat energy to run off.
Usually, a heat-conducting oil heat exchanger and an air preheater are connected in series in a flue gas pipeline to recover heat energy in flue gas. The heat conduction oil which works in other production devices still has the temperature of more than one hundred ℃, so that the temperature difference between the flue gas and the heat conduction oil is small, the heat absorption capacity of the heat conduction oil is reduced, and the heat exchange efficiency of the heat conduction oil heat exchanger is influenced to be low.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a heat-conducting oil-smoke synergistic heat exchange device which has the characteristic of improving the heat exchange efficiency of a heat-conducting oil heat exchanger during smoke heat energy recovery.
In order to achieve the above purpose, the solution of the utility model is:
a heat transfer oil and flue gas cooperative heat exchange device comprises a heat transfer oil heat exchanger and an air preheater which are serially connected on a flue gas pipeline; the heat conduction oil heat exchanger comprises a first heat conduction oil inlet pipeline and a first heat conduction oil outlet pipeline; the air preheater has an air inlet duct and an air outlet duct; a third heat exchanger for heat exchange between fresh air and heat conduction oil is arranged on the air inlet pipeline, and a gas outlet of the third heat exchanger is connected with the air inlet pipeline; the third heat exchanger is also provided with a second heat conduction oil inlet pipeline and a second heat conduction oil outlet pipeline; and the second heat conduction oil outlet pipeline is connected with the first heat conduction oil inlet pipeline.
Furthermore, the heat conduction oil heat exchanger is positioned at the upstream of the flue gas of the air preheater, and the flue gas flows to the air preheater after passing through the heat conduction oil heat exchanger.
Further, a disc-shaped heat exchange tube is arranged in the third heat exchanger, and the second heat conduction oil inlet pipeline and the second heat conduction oil outlet pipeline are connected with the disc-shaped heat exchange tube.
Further, the air inlet duct is located downstream of the air outlet duct in the direction of the flue gas.
Furthermore, the first heat conduction oil inlet pipeline is positioned in the downstream direction of the second heat conduction oil outlet pipeline along the smoke direction.
After the structure is adopted, the heat transfer oil and flue gas cooperative heat exchange device provided by the utility model at least has the following beneficial effects:
the fresh air before entering the air preheater and the heat conduction oil after working are subjected to primary heat exchange by arranging the third heat exchanger, so that the temperature of the fresh air is increased, and the temperature of the heat conduction oil is reduced. Therefore, the temperature difference between the heat conduction oil and the flue gas in the heat conduction oil heat exchanger is larger, so that the heat conduction oil can absorb more heat from the flue gas, and the heat exchange efficiency is improved.
And the heat conduction oil heat exchanger is positioned at the upstream, heat conduction oil exchanges heat with the flue gas with higher temperature, and the heat exchange effect of the heat conduction oil is better. Furthermore, the air and the heat conduction oil are conveyed along the direction opposite to the flowing direction of the flue gas, so that the air and the heat conduction oil can be contacted with the flue gas with higher temperature before the flue gas with lower temperature is contacted, and the heat exchange effect is ensured.
Compared with the prior art, the heat conduction oil heat exchanger has the advantages that the heat conduction oil after working exchanges heat with fresh air through the third heat exchanger, and the temperature of the heat conduction oil is reduced, so that the heat conduction oil has larger temperature difference with flue gas in the heat conduction oil heat exchanger, heat can be better absorbed, and better energy-saving and environment-friendly effects are achieved.
Drawings
Fig. 1 is a schematic view of a using state of a heat transfer oil-smoke synergistic heat exchange device according to the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure:
a flue gas duct 100; a heat transfer oil heat exchanger 1; a first conduction oil inlet pipe 11; a first conduction oil outlet pipe 12; an air preheater 2; an air inlet duct 21; an air outlet duct 22; a third heat exchanger 3; a second conduction oil inlet pipe 31; a second conduction oil outlet pipe 32; a heat exchange pipe 33 having a disk shape.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 2, the heat conducting oil-smoke cooperative heat exchange device according to the present invention includes a heat conducting oil heat exchanger 1 and an air preheater 2 serially connected to a smoke pipeline 100; the heat transfer oil heat exchanger 1 comprises a first heat transfer oil inlet pipeline 11 and a first heat transfer oil outlet pipeline 12; the air preheater 2 has an air inlet duct 21 and an air outlet duct 22; the air inlet pipeline 21 is provided with a third heat exchanger 3 for heat exchange between fresh air and heat conduction oil, and a gas outlet of the third heat exchanger 3 is connected with the air inlet pipeline 21; the third heat exchanger 3 is also provided with a second heat conduction oil inlet pipeline 31 and a second heat conduction oil outlet pipeline 32; the second heat transfer oil outlet pipe 32 is connected to the first heat transfer oil inlet pipe 11.
Therefore, the heat-conducting oil and flue gas cooperative heat exchange device provided by the utility model realizes primary heat exchange between fresh air before entering the air preheater 2 and the working heat-conducting oil by arranging the third heat exchanger 3, so that the temperature of the fresh air is increased, and the temperature of the heat-conducting oil is reduced. Therefore, the temperature difference between the heat conduction oil and the flue gas in the heat conduction oil heat exchanger 1 is larger, so that the heat conduction oil can absorb more heat from the flue gas, and the heat exchange efficiency is improved. And the heat conduction oil after heat exchange of the heat conduction oil heat exchanger 1 is conveyed to a heat conduction oil storage tank for storage.
Preferably, the heat transfer oil heat exchanger 1 is located at the upstream of the flue gas of the air preheater 2, and the flue gas flows to the air preheater 2 after passing through the heat transfer oil heat exchanger 1. The heat conduction oil heat exchanger 1 is located at the upstream, heat conduction oil exchanges heat with flue gas with high temperature, and the heat exchange effect of the heat conduction oil is better.
Preferably, a disc-shaped heat exchange tube 33 is arranged in the third heat exchanger 3, and the second conduction oil inlet pipeline 31 and the second conduction oil outlet pipeline 32 are connected with the disc-shaped heat exchange tube 33.
Preferably, said air inlet duct 21 is located in the downstream direction of the air outlet duct 22 in the direction of the flue gases. The first conduction oil inlet pipe 11 is located in the downstream direction of the second conduction oil outlet pipe 32 along the flue gas direction. Through carrying air and conduction oil against the flow direction of flue gas for air and conduction oil can contact with the higher flue gas of temperature again in advance of the lower flue gas contact of temperature, guarantee the heat transfer effect.
Compared with the prior art, the heat conduction oil heat exchanger has the advantages that the third heat exchanger 3 is arranged, heat exchange is carried out between the working heat conduction oil and fresh air, the temperature of the heat conduction oil is reduced, the heat conduction oil has larger temperature difference with flue gas in the heat conduction oil heat exchanger 1, heat can be better absorbed, and better energy-saving and environment-friendly effects are achieved.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (5)
1. A heat transfer oil and flue gas cooperative heat exchange device is characterized by comprising a heat transfer oil heat exchanger and an air preheater which are serially arranged on a flue gas pipeline; the heat conduction oil heat exchanger comprises a first heat conduction oil inlet pipeline and a first heat conduction oil outlet pipeline; the air preheater has an air inlet duct and an air outlet duct; a third heat exchanger for heat exchange between fresh air and heat conduction oil is arranged on the air inlet pipeline, and a gas outlet of the third heat exchanger is connected with the air inlet pipeline; the third heat exchanger is also provided with a second heat conduction oil inlet pipeline and a second heat conduction oil outlet pipeline; and the second heat conduction oil outlet pipeline is connected with the first heat conduction oil inlet pipeline.
2. The heat transfer oil-smoke synergistic heat exchange device as claimed in claim 1, wherein the heat transfer oil heat exchanger is located at an upstream of the smoke of the air preheater, and the smoke passes through the heat transfer oil heat exchanger and then flows to the air preheater.
3. The heat transfer oil and flue gas cooperative heat exchange device according to claim 1, wherein a disc-shaped heat exchange tube is arranged in the third heat exchanger, and the second heat transfer oil inlet pipeline and the second heat transfer oil outlet pipeline are connected with the disc-shaped heat exchange tube.
4. The heat transfer oil flue gas cooperative heat exchange device according to claim 1, wherein the air inlet pipe is located in a downstream direction of the air outlet pipe along a flue gas direction.
5. The heat transfer oil flue gas cooperative heat exchange device according to claim 1, wherein the first heat transfer oil inlet pipe is located in a downstream direction of the second heat transfer oil outlet pipe along a flue gas direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220309541.2U CN216790226U (en) | 2022-02-16 | 2022-02-16 | Heat exchange device is in coordination with conduction oil flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220309541.2U CN216790226U (en) | 2022-02-16 | 2022-02-16 | Heat exchange device is in coordination with conduction oil flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790226U true CN216790226U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220309541.2U Active CN216790226U (en) | 2022-02-16 | 2022-02-16 | Heat exchange device is in coordination with conduction oil flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216790226U (en) |
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2022
- 2022-02-16 CN CN202220309541.2U patent/CN216790226U/en active Active
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