CN219550560U - Flue gas waste heat recovery device and flue gas waste heat recovery system using same - Google Patents
Flue gas waste heat recovery device and flue gas waste heat recovery system using same Download PDFInfo
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- CN219550560U CN219550560U CN202223415236.0U CN202223415236U CN219550560U CN 219550560 U CN219550560 U CN 219550560U CN 202223415236 U CN202223415236 U CN 202223415236U CN 219550560 U CN219550560 U CN 219550560U
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- flue gas
- water tank
- waste heat
- heat recovery
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model relates to the technical field of flue gas waste heat recovery, in particular to a flue gas waste heat recovery device and a flue gas waste heat recovery system using the same. The utility model has the advantages that: the flue gas is dispersed into multiple paths through the multiple smoke guide pipes to pass through the water tank, the quantity of channels for heat conduction is improved, the flue gas is dispersed into multiple paths, the contact area of the flue gas can be improved, the heat conduction area is improved, meanwhile, the heat conduction area can be further increased through the plurality of heat conducting fins on the outer wall of the smoke guide pipe, heat is more efficiently conducted into water on the inner wall of the water tank, the heat transfer efficiency is improved, meanwhile, the flue gas passes through the inner wall of the inner container after passing through the multiple smoke guide pipes, the heat can be absorbed again through the plurality of heat conducting fins to be transferred into the water tank, the heat absorption area is further improved, the heat conduction efficiency is further improved, the heat absorption efficiency is greatly improved, and the utilization rate of residual heat is improved.
Description
Technical Field
The utility model relates to the technical field of flue gas waste heat recovery, in particular to a flue gas waste heat recovery device and a flue gas waste heat recovery system using the same.
Background
The waste can produce the high-temperature flue gas in the course of incineration disposal, if these high-temperature gases are discharged directly, on the one hand pollute the environment, on the other hand the heat in the high-temperature flue gas can not be utilized effectively, thus cause the waste, therefore need the waste heat of the recovery flue gas of the waste heat utilization device, in China utility model CN214147971U there is disclosed a flue gas waste heat recovery device and a flue gas waste heat recovery system using the device, this flue gas waste heat recovery device and flue gas waste heat recovery system using the device carry on the heat exchange through flue gas and heat exchange water, thus to the temperature recovery in the flue gas to the heat exchange water, the temperature of the flue gas is reduced, the energy is recycled, the effect of energy conservation and emission reduction is played, but this flue gas waste heat recovery device and flue gas waste heat recovery system using the device still have the following problems in use:
this flue gas waste heat recovery device and use device's flue gas waste heat recovery system only conducts heat through the pipe wall of tobacco pipe and the case wall of water tank, and heat exchange area is little, leads to heat conduction inefficiency, and the waste heat of flue gas is quick through pipeline and water tank, and lower heat exchange area can not timely absorb flue gas heat, leads to the flue gas waste heat utilization ratio lower.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a flue gas waste heat recovery device and a flue gas waste heat recovery system using the same, so as to solve the problems mentioned in the background art and overcome the disadvantages in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a flue gas waste heat recovery device, which comprises a housing, the inner wall of the housing is provided with an inner container, the inner wall of the inner container is provided with a water tank, the inner wall of the water tank is fixedly connected with a plurality of flue pipes, the outer wall of the flue pipes is fixedly connected with a plurality of heat conducting fins, the two ends of the water tank are fixedly connected with a sealing heat insulation board together, the two ends of the flue pipes are communicated with the two ends of the outer wall of the water tank, the center of the top surface of the water tank is fixedly connected with an air inlet cover, the top of the air inlet cover is fixedly connected with a flue inlet pipe, the bottom of the air inlet cover completely covers the flue pipes, one side of the top of the water tank is fixedly connected with a water outlet connecting pipe, one side of the bottom of the water tank is fixedly connected with a water inlet connecting pipe, one side of the top of the sealing heat insulation board is fixedly connected with, and the flue inlet pipe penetrates through the center of the top surface of the sealing heat insulation board.
By above-mentioned arbitrary scheme preferred, a plurality of the length of heat conduction fin is greater than the length of water tank, a plurality of heat conduction fin's both ends all bulge in the both ends of water tank, a plurality of heat conduction fin's both ends respectively with two sealed heated board fixed connection.
The technical effect achieved by adopting the scheme is as follows: the heat absorption area can be increased through the heat conduction fins, and the heat absorption efficiency is improved.
By any of the above schemes, it is preferable that the water outlet connecting pipe and the water inlet connecting pipe penetrate through the inner container and the outer shell, and the water outlet connecting pipe and the water inlet connecting pipe are communicated with the outside of the water tank and the outer shell.
The technical effect achieved by adopting the scheme is as follows: cold water can be supplemented through the water inlet connecting pipe at the bottom, and hot water at the top can be discharged for use through the water outlet connecting pipe.
By above-mentioned arbitrary scheme preferred, a plurality of the material of leading the tobacco pipe is heat conduction copper, and a plurality of the material of conducting strip is anodic aluminum oxide, a plurality of the distributing length of conducting strip and the length looks adaptation of leading the tobacco pipe, a plurality of the conducting strip on the pipe does not contact each other, the conducting strip does not contact with the inner wall of water tank.
The technical effect achieved by adopting the scheme is as follows: the heat conducting fin is not contacted with the inner wall of the water tank, so that heat is prevented from being directly transferred to the wall of the water tank, and heat loss is reduced.
By above-mentioned arbitrary scheme preferred, a plurality of heat conduction fin all is radial annular array distribution around water tank outer wall a week, a plurality of heat conduction fin's material all is the aluminum alloy, a plurality of heat conduction fin's outside all does not contact with the inner wall of inner bag.
The technical effect achieved by adopting the scheme is as follows: the aluminum alloy has high strength, can improve the supporting effect on the water tank, and reduces the pressure on the water inlet connecting pipe and the water outlet connecting pipe.
By the scheme, preferably, a clearance is reserved between the shell and the liner, one side of the bottom of the outer wall of the shell is fixedly connected with a one-way valve, and the one-way valve is opened unidirectionally to the outside of the shell.
The technical effect achieved by adopting the scheme is as follows: the one-way valve can be opened outwards in a one-way, so that air is conveniently pumped out, a vacuum space is formed, and the heat insulation effect is improved.
The utility model further provides a flue gas waste heat recovery system, which comprises a flue gas waste heat recovery device, wherein the output end of a flue gas discharge pipe of the flue gas waste heat recovery device is fixedly connected with a flue gas filter, and the output end of the flue gas discharge pipe is communicated with the flue gas input end of the flue gas filter.
The technical effect achieved by adopting the scheme is as follows: harmful substances can be filtered through the smoke filter, smoke is purified, and the environmental protection effect is improved.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. this flue gas waste heat recovery device, pass the water tank through the multichannel with the flue gas dispersion of many smoke guide pipes, improve the passageway quantity of heat conduction, make the flue gas disperse into stranded, can make the flue gas improve area of contact, improve heat conduction area, simultaneously through a plurality of conducting strips of smoke guide pipe outer wall, can further increase heat transfer area, make the more efficient conduction of heat to the aquatic of water tank inner wall, improve heat transfer efficiency, the flue gas passes the inner wall of getting into the inner bag behind many smoke guide pipes simultaneously, can absorb the heat transfer to the inside of water tank once more through a plurality of conducting fins, further improve heat absorption area through a plurality of conducting fins, can further improve heat conduction efficiency, thereby improve heat absorption efficiency greatly, and the utilization ratio of surplus heat is improved.
2. According to the flue gas waste heat recovery device, air between the shell and the liner can be sucked out through the one-way valve, so that an approximately vacuum interlayer is formed, heat conduction medium is reduced, heat loss is greatly reduced, heat waste is reduced, and heat utilization rate is improved.
3. According to the flue gas waste heat recovery system, the flue gas filter is additionally arranged, so that the cooled flue gas is finally filtered and discharged, and the pollution of particulate matters in the flue gas to air can be reduced.
Drawings
FIG. 1 is a schematic diagram of a flue gas waste heat recovery device according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the flue gas waste heat recovery device of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model;
fig. 4 is a schematic structural diagram of the flue gas waste heat recovery system of the present utility model.
In the figure: 1-shell, 2-sealed insulation board, 3-smoke inlet pipe, 4-smoke exhaust pipe, 5-water inlet connecting pipe, 6-check valve, 7-inner container, 8-water tank, 9-smoke guide pipe, 10-heat conducting fin, 11-heat conducting fin, 12-air inlet cover, 13-water outlet connecting pipe and 14-smoke filter.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
Embodiment one: as shown in fig. 1 to 3, the flue gas waste heat recovery device comprises a shell 1, an inner wall of the shell 1 is provided with an inner container 7, the inner wall of the inner container 7 is provided with a water tank 8, the inner wall of the water tank 8 is fixedly connected with a plurality of flue pipes 9, the outer wall of the plurality of flue pipes 9 is fixedly connected with a plurality of heat conducting fins 10, the outer wall of the water tank 8 is fixedly connected with a plurality of heat conducting fins 11, the two ends of the shell 1 and the inner container 7 are fixedly connected with a sealing heat insulation plate 2 together, the two ends of the plurality of flue pipes 9 are communicated with the two ends of the outer wall of the water tank 8, the center of the top surface of the water tank 8 is fixedly connected with an air inlet cover 12, the top of the air inlet cover 12 is fixedly connected with a flue pipe 3, the bottom of the air inlet cover 12 completely covers the plurality of flue pipes 9, one side of the top of the water tank 8 is fixedly connected with a water outlet connecting pipe 13, one side of the bottom of the water tank 8 is fixedly connected with a water inlet connecting pipe 5, one side of the sealing heat insulation plate 2 at the top is fixedly connected with a flue pipe 4, and the air inlet 3 penetrates through the center of the top surface of the sealing heat insulation plate 2.
As an alternative technical scheme of the utility model, the lengths of the heat conduction fins 11 are longer than the length of the water tank 8, the two ends of the heat conduction fins 11 are protruded out of the two ends of the water tank 8, the two ends of the heat conduction fins 11 are fixedly connected with the two sealing heat insulation boards 2 respectively, and the heat absorption area and the heat absorption efficiency can be improved through the heat conduction fins 11.
As an alternative technical scheme of the utility model, the water outlet connecting pipe 13 and the water inlet connecting pipe 5 penetrate through the liner 7 and the shell 1, the water outlet connecting pipe 13 and the water inlet connecting pipe 5 are communicated with the outside of the water tank 8 and the shell 1, cold water can be supplemented through the water inlet connecting pipe 5 at the bottom, and hot water at the top can be discharged through the water outlet connecting pipe 13 for use.
As an alternative technical scheme of the utility model, the materials of the smoke guide pipes 9 are all heat conducting copper, the materials of the heat conducting fins 10 are all anodized aluminum, the distribution length of the heat conducting fins 10 is matched with the length of the smoke guide pipes 9, the heat conducting fins 10 on the smoke guide pipes 9 are not contacted with each other, the heat conducting fins 10 are not contacted with the inner wall of the water tank 8, heat is prevented from being directly transferred to the wall of the water tank 8, and heat loss is reduced.
As an alternative technical scheme of the utility model, the plurality of heat conduction fins 11 are radially distributed in an annular array around the outer wall of the water tank 8, the plurality of heat conduction fins 11 are all made of aluminum alloy, the outer sides of the plurality of heat conduction fins 11 are not contacted with the inner wall of the liner 7, the strength of the aluminum alloy is high, the supporting effect on the water tank 8 can be improved, the pressure on the water inlet connecting pipe 5 and the water outlet connecting pipe 13 is reduced, the heat conduction effect is good, and the heat exchange efficiency is improved.
As an alternative technical scheme of the utility model, a gap is reserved between the shell 1 and the liner 7, one side of the bottom of the outer wall of the shell 1 is fixedly connected with the one-way valve 6, the one-way valve 6 is opened unidirectionally to the outside of the shell 1, and the one-way valve 6 can be opened unidirectionally outwards, so that air suction is facilitated, a vacuum space is formed, and the heat insulation effect is improved.
As shown in fig. 4, the flue gas waste heat recovery system comprises a flue gas waste heat recovery device, the output end of a flue gas exhaust pipe 4 of the flue gas waste heat recovery device is fixedly connected with a flue gas filter 14, the output end of the flue gas exhaust pipe 4 is communicated with the flue gas input end of the flue gas filter 14, and harmful substances can be filtered through the flue gas filter 14 to purify flue gas and improve the environmental protection effect.
Flue gas waste heat recovery device and flue gas waste heat recovery system using the same, the working principle is as follows:
1) The smoke entering through the smoke inlet pipe 3 is dispersed into a plurality of paths through the plurality of smoke guide pipes 9 and passes through the water tank 8, and heat is conducted to the inside of the water tank 8 through the plurality of smoke guide pipes 9 and the heat conducting fins 10 to heat water in the water tank 8;
2) Then the flue gas passes through the plurality of smoke guide pipes 9 and then enters the inner wall of the inner container 7, heat can be absorbed again through the plurality of heat conducting fins 11 and transferred into the water tank 8, the heat absorption area is further increased through the plurality of heat conducting fins 11, and water in the water tank 8 is further heated;
3) The hot water is discharged through the water outlet connecting pipe 13 at the top, and the flue gas is discharged to the flue gas filter 14 through the flue gas discharging pipe 4 and is discharged through filtration.
In summary, this flue gas waste heat recovery device and use device's flue gas waste heat recovery system, pass water tank 8 through the multichannel with the flue gas dispersion of many guide tobacco pipe 9, improve the passageway quantity of heat conduction, make the flue gas disperse into stranded, can make the flue gas improve area of contact, improve heat conduction area, simultaneously through a plurality of conducting strips 10 of guide tobacco pipe 9 outer wall, can further increase heat transfer area, make the more efficient conduction of heat to the aquatic of water tank 8 inner wall, improve heat transfer efficiency, the flue gas passes behind many guide tobacco pipe 9 and gets into the inner wall of inner bag 7, can absorb heat transfer to the inside of water tank 8 once more through a plurality of conducting fins 11, further improve heat absorption area through a plurality of conducting fins 11, can further improve heat conduction efficiency, thereby greatly improve heat absorption efficiency, improve the utilization ratio of surplus heat, through the air between check valve 6 can suck shell 1 and the inner bag 7, thereby constitute approximately vacuum interlayer, reduce the medium of heat conduction, thereby greatly reduced heat loss, the heat waste, improve the utilization ratio, and through installing flue gas filter 14 again, make the flue gas pollution in the flue gas that filters the particulate matter again in the exhaust after cooling.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Flue gas waste heat recovery device, its characterized in that: including shell (1), the inner wall of shell (1) is provided with inner bag (7), the inner wall of inner bag (7) is provided with water tank (8), the inner wall fixedly connected with of water tank (8) is led tobacco pipe (9) a plurality of, a plurality of outer wall fixedly connected with of leading tobacco pipe (9) is a plurality of conducting strip (10), the outer wall fixedly connected with of water tank (8) is a plurality of conducting fin (11), the sealed heated board (2) of the common fixedly connected with in both ends of shell (1) and inner bag (7), a plurality of the both ends UNICOM water tank (8) outer wall of leading tobacco pipe (9), the center department fixedly connected with inlet cover (12) of water tank (8) top surface, the top fixedly connected with of inlet cover (12) is advanced tobacco pipe (3), the bottom of cover (12) covers a plurality of leading tobacco pipe (9) completely, one side fixedly connected with play water (13) at water tank (8) top, one side fixedly connected with water inlet pipe (5) at water tank (8) bottom, one side of sealed board (2) is fixedly connected with heat preservation board (4) of top, sealed top board (4) is advanced out of the top board (2).
2. The flue gas waste heat recovery device according to claim 1, wherein: the length of a plurality of heat conduction fins (11) is greater than the length of a water tank (8), the both ends of a plurality of heat conduction fins (11) all protrude in the both ends of water tank (8), a plurality of the both ends of heat conduction fins (11) respectively with two sealed heated board (2) fixed connection.
3. The flue gas waste heat recovery device according to claim 2, wherein: the water outlet connecting pipe (13) and the water inlet connecting pipe (5) penetrate through the inner container (7) and the outer shell (1), and the water outlet connecting pipe (13) and the water inlet connecting pipe (5) are communicated with the outside of the water tank (8) and the outer shell (1).
4. A flue gas waste heat recovery device according to claim 3, wherein: the material of a plurality of lead tobacco pipe (9) is heat conduction copper, and a plurality of the material of conducting strip (10) is anodic aluminum oxide, a plurality of the distributing length of conducting strip (10) and the length looks adaptation of leading tobacco pipe (9), a plurality of conducting strip (10) on leading tobacco pipe (9) are contactless each other, conducting strip (10) and the inner wall of water tank (8) are contactless.
5. The flue gas waste heat recovery device according to claim 4, wherein: a plurality of heat conduction fins (11) are distributed in a radial annular array around the periphery of the outer wall of the water tank (8), the heat conduction fins (11) are made of aluminum alloy, and the outer sides of the heat conduction fins (11) are not contacted with the inner wall of the liner (7).
6. The flue gas waste heat recovery device according to claim 5, wherein: a gap is reserved between the shell (1) and the liner (7), one side of the bottom of the outer wall of the shell (1) is fixedly connected with a one-way valve (6), and the one-way valve (6) is opened unidirectionally to the outside of the shell (1).
7. Flue gas waste heat recovery system, using the flue gas waste heat recovery device according to any one of claims 1-6, characterized in that: the flue gas waste heat recovery device comprises a flue gas waste heat recovery device body, wherein the output end of a flue gas exhaust pipe (4) of the flue gas waste heat recovery device is fixedly connected with a flue gas filter (14), and the output end of the flue gas exhaust pipe (4) is communicated with the flue gas input end of the flue gas filter (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223415236.0U CN219550560U (en) | 2022-12-19 | 2022-12-19 | Flue gas waste heat recovery device and flue gas waste heat recovery system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223415236.0U CN219550560U (en) | 2022-12-19 | 2022-12-19 | Flue gas waste heat recovery device and flue gas waste heat recovery system using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219550560U true CN219550560U (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223415236.0U Active CN219550560U (en) | 2022-12-19 | 2022-12-19 | Flue gas waste heat recovery device and flue gas waste heat recovery system using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219550560U (en) |
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2022
- 2022-12-19 CN CN202223415236.0U patent/CN219550560U/en active Active
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