CN216432610U - Fluoroplastic flue gas heat exchanger suitable for waste incineration power plant - Google Patents
Fluoroplastic flue gas heat exchanger suitable for waste incineration power plant Download PDFInfo
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- CN216432610U CN216432610U CN202121757352.3U CN202121757352U CN216432610U CN 216432610 U CN216432610 U CN 216432610U CN 202121757352 U CN202121757352 U CN 202121757352U CN 216432610 U CN216432610 U CN 216432610U
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Abstract
The utility model discloses a fluoroplastic flue gas heat exchanger suitable for a waste incineration power plant, which comprises a heat exchanger shell, a flue gas inlet, a flue gas outlet, a clean flue gas inlet and a clean flue gas outlet, wherein the heat exchanger shell is provided with a raw flue gas inlet, a raw flue gas outlet, a clean flue gas inlet and a clean flue gas outlet; the heat exchange tube unit is arranged in the heat exchanger shell through a heat exchange tube plate; the guide plate is arranged in the heat exchanger shell and is positioned between the clean flue gas inlet and the clean flue gas outlet; the heat exchange tube plate comprises a first heat exchange tube plate arranged close to the raw flue gas inlet and a second heat exchange tube plate arranged close to the raw flue gas outlet; one end of the heat exchange tube unit is in expanded connection with the second heat exchange tube plate; the other end of the heat exchange tube is processed into a corrugated tube and is in expanded joint with the first heat exchange tube plate. This fluoroplastics gas heat exchanger suitable for msw incineration power plant has realized optimizing the heat transfer and has reduced the equipment volume, has guaranteed the sealed of fluoroplastics heat exchanger inner structure again simultaneously.
Description
Technical Field
The utility model relates to the technical field of flue gas waste heat exchange, in particular to a fluoroplastic flue gas heat exchanger suitable for a waste incineration power plant.
Background
Along with the development of economy in China and the progress of science and technology, environmental protection problems are valued by more and more people, environmental protection indexes are more and more strict, the economic benefit of a garbage power plant is ensured to become the future focus of a incineration power plant while pollutant emission is reduced, currently, fluoroplastic heat exchangers used by the garbage incineration power plant are provided with smoke channels on the side surfaces, the area of a plant is occupied, the size of equipment is enabled to be too large, the bottoms of the fluoroplastic heat exchangers in service are sealed by floating plate fasteners, the sealing effect is not very ideal, and the problems have certain influence on the construction, construction and operation of the garbage incineration power plant.
Therefore, a fluoroplastic flue gas heat exchanger suitable for a waste incineration power plant needs to be designed, so that the heat exchange is optimized, the equipment volume is reduced, and meanwhile, the sealing of the internal structure of the fluoroplastic heat exchanger is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fluoroplastic flue gas heat exchanger suitable for a waste incineration power plant, and solves the problems that the existing fluoroplastic heat exchanger is large in size and unsatisfactory in sealing effect of an internal structure.
In order to achieve the purpose, the utility model provides the following technical scheme:
a fluoroplastic flue gas heat exchanger suitable for a waste incineration power plant comprises a heat exchanger shell, wherein a raw flue gas inlet, a raw flue gas outlet, a clean flue gas inlet and a clean flue gas outlet are formed in the heat exchanger shell; the heat exchange tube unit is arranged in the heat exchanger shell through a heat exchange tube plate; the guide plate is arranged in the heat exchanger shell and is positioned between the clean flue gas inlet and the clean flue gas outlet; high-temperature raw flue gas enters the heat exchange tube unit in the heat exchanger shell from the raw flue gas inlet for heat exchange and is discharged from the raw flue gas outlet, low-temperature clean flue gas enters the inner cavity of the heat exchanger shell from the clean flue gas inlet, is guided by the guide plate, is heated in the inner cavity of the heat exchanger shell and is discharged from the clean flue gas outlet; the heat exchange tube plate comprises a first heat exchange tube plate arranged close to the raw flue gas inlet and a second heat exchange tube plate arranged close to the raw flue gas outlet; one end of the heat exchange tube unit is in expanded connection with the second heat exchange tube plate; the other end of the heat exchange tube is processed into a corrugated tube and is in expanded joint with the first heat exchange tube plate.
Preferably, the heat exchange tube unit is a plurality of groups of heat exchange tube groups, the plurality of groups of heat exchange tube groups penetrate through the guide plate and are arranged at uniform intervals, and a gap with a certain distance is arranged between each group of heat exchange tube groups and used for installing a fixing part of the guide plate.
Preferably, the guide plate is arranged in parallel with the heat exchange tube plate, one end of the guide plate is fixedly connected with the inner wall of the heat exchanger shell, the other end of the guide plate is provided with a fixed rod, the fixed rod is arranged in gaps among the plurality of groups of heat exchange tube groups, and two ends of the fixed rod are fixedly connected with the inner wall of the heat exchanger shell.
Preferably, the heat exchange tube unit is three heat exchange tube groups, the number of the guide plates is two, one guide plate is arranged on the inner wall of the heat exchanger shell close to the purified flue gas inlet, and the other guide plate is arranged on the inner wall of the heat exchanger shell close to the purified flue gas outlet.
Preferably, the raw flue gas inlet is in a horn shape, one end with a large opening is connected with the bottom of the heat exchanger shell through a bolt, the raw flue gas outlet is in a horn shape, and one end with a large opening is connected with the top of the heat exchanger shell through a bolt.
Preferably, the clean flue gas inlet and the clean flue gas outlet are both connected with the side wall of the heat exchanger shell through bolts.
Preferably, the heat exchange tube set is a fluoroplastic tube, and the guide plate is made of corrosion-resistant plastic.
The utility model has the beneficial effects that:
according to the fluoroplastic flue gas heat exchanger applicable to the waste incineration power plant, one end of the heat exchange tube is in expanded joint with the heat exchange tube plate, and the other end of the heat exchange tube is processed into the corrugated tube and then is also in expanded joint with the heat exchange tube plate, so that the elongation of the heat exchange tube after being heated is ensured, and the sealing of the heat exchange tube is realized;
this fluoroplastics gas heat exchanger suitable for msw incineration power plant has adopted multiunit heat exchange tube group interval arrangement, and guide plate one end links firmly with the lateral wall of heat exchanger casing simultaneously, and the other end links firmly through the spaced dead lever and the lateral wall that pass heat exchange tube group, has guaranteed the stability of guide plate.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of a heat exchanger shell;
FIG. 3 is a top view of a heat exchanger housing
In the figure: 1. raw flue gas outlet, 2, heat exchanger shell, 3, clean flue gas outlet, 4, clean flue gas inlet, 5, first heat exchange tube plate, 6, raw flue gas inlet, 7, second heat exchange tube plate, 8, heat exchange tube group, 9, guide plate, 10, bellows, 11, dead lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless otherwise indicated, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the utility model is directed.
The utility model provides a fluoroplastic flue gas heat exchanger suitable for a waste incineration power plant, which comprises a heat exchanger shell 2, wherein a raw flue gas inlet 6, a raw flue gas outlet 1, a clean flue gas inlet 3 and a clean flue gas outlet 4 are arranged on the heat exchanger shell 2; the heat exchange tube unit is arranged in the heat exchanger shell 2 through a heat exchange tube plate; a flow guide plate 9 arranged in the heat exchanger shell 2 and positioned between the clean flue gas inlet 4 and the clean flue gas outlet 3; high-temperature raw flue gas enters the heat exchange tube unit in the heat exchanger shell 2 from the raw flue gas inlet 6 for heat exchange and is discharged from the raw flue gas outlet 1, low-temperature clean flue gas enters the inner cavity of the heat exchanger shell 2 from the clean flue gas inlet 4, is guided by the guide plate 9, and is discharged from the clean flue gas outlet 3 after being heated in the inner cavity of the heat exchanger shell 2; the heat exchange tube plate comprises a first heat exchange tube plate 5 arranged close to the raw flue gas inlet 6 and a second heat exchange tube plate 7 arranged close to the raw flue gas outlet 1; one end of the heat exchange tube unit is in expanded connection with the second heat exchange tube plate 7; the other end of the heat exchange tube is processed into a corrugated tube 10 which is connected with the first heat exchange tube plate 5 in an expansion mode.
Specifically, the heat exchange tube unit is a plurality of groups of heat exchange tube sets 8, the plurality of groups of heat exchange tube sets 8 penetrate through the guide plate 9 and are arranged at uniform intervals, and gaps with certain distances are arranged among the groups of heat exchange tube sets 8 and used for installing fixing pieces of the guide plate 9.
Specifically, the flow guide plate 9 is arranged parallel to the heat exchange tube plate, one end of the flow guide plate is fixedly connected with the inner wall of the heat exchanger shell 3, the other end of the flow guide plate is provided with a fixed rod 11, the fixed rod 11 is arranged in a gap between the multiple groups of heat exchange tube groups 8, and two ends of the fixed rod 11 are fixedly connected with the inner wall of the heat exchanger shell 2.
Specifically, the heat exchange tube unit is three heat exchange tube sets 8, the number of the guide plates 9 is two, one guide plate 9 is arranged on the inner wall of the heat exchanger shell 2 close to the clean smoke inlet 4, and the other guide plate 9 is arranged on the inner wall of the heat exchanger shell 2 close to the clean smoke outlet 3.
Specifically, former flue gas import 6 is loudspeaker form, the big one end of opening with the bottom bolted connection of heat exchanger casing 2, former exhanst gas outlet 1 is loudspeaker form, the big one end of opening with the top bolted connection of heat exchanger casing 2.
Specifically, the clean flue gas inlet 4 and the clean flue gas outlet 3 are both connected with the side wall of the heat exchanger shell 2 through bolts.
Specifically, the heat exchange tube group 8 is a fluoroplastic tube, and the guide plate 9 is made of corrosion-resistant plastic.
Specifically, when the device is used, the raw flue gas with the temperature of 170 ℃ enters the heat exchanger shell 2 from the raw flue gas inlet 6, is cooled to 100 ℃ through the tube side of the heat exchange tube group 8 and then is discharged from the raw flue gas outlet 1, then enters the wet tower for cooling and deacidification, the cleaned flue gas with the temperature of 60 ℃ after deacidification enters the heat exchanger shell 2 from the clean flue gas inlet 4 and is guided by the guide plate 9, the heat exchange tube 8 in the heat exchanger shell 2 is heated to 130 ℃ and then is discharged from the clean flue gas outlet 3, and the energy recovery is completed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. A fluoroplastic flue gas heat exchanger suitable for a waste incineration power plant comprises:
the heat exchanger comprises a heat exchanger shell, wherein a raw flue gas inlet, a raw flue gas outlet, a purified flue gas inlet and a purified flue gas outlet are formed in the heat exchanger shell;
the heat exchange tube unit is arranged in the heat exchanger shell through a heat exchange tube plate;
the guide plate is arranged in the heat exchanger shell and is positioned between the clean flue gas inlet and the clean flue gas outlet;
high-temperature raw flue gas enters the heat exchange tube unit in the heat exchanger shell from the raw flue gas inlet for heat exchange and is discharged from the raw flue gas outlet, low-temperature clean flue gas enters the inner cavity of the heat exchanger shell from the clean flue gas inlet, is guided by the guide plate, is heated in the inner cavity of the heat exchanger shell and is discharged from the clean flue gas outlet;
the method is characterized in that:
the heat exchange tube plate comprises a first heat exchange tube plate arranged close to the raw flue gas inlet and a second heat exchange tube plate arranged close to the raw flue gas outlet;
one end of the heat exchange tube unit is in expanded connection with the second heat exchange tube plate;
the other end of the heat exchange tube is processed into a corrugated tube and is in expanded joint with the first heat exchange tube plate.
2. A fluoroplastic flue gas heat exchanger suitable for use in a refuse incineration power plant according to claim 1, characterized in that: the heat exchange tube unit is multiunit heat exchange tube group, and multiunit heat exchange tube group passes the even interval of guide plate sets up, and every heat exchange tube group is provided with the space of certain distance for the mounting of installation guide plate.
3. A fluoroplastic flue gas heat exchanger suitable for use in a refuse incineration power plant according to claim 2, characterized in that: the flow guide plate is parallel to the heat exchange tube plate, one end of the flow guide plate is fixedly connected with the inner wall of the heat exchanger shell, the other end of the flow guide plate is provided with a fixed rod, the fixed rod is arranged in gaps among the multiple groups of heat exchange tube groups, and two ends of the fixed rod are fixedly connected with the inner wall of the heat exchanger shell.
4. A fluoroplastic flue gas heat exchanger suitable for use in a refuse incineration power plant according to claim 3, characterized in that: the heat exchange tube unit is three heat exchange tube groups, the guide plate is two, one guide plate is arranged on the inner wall of the heat exchanger shell close to the purified flue gas inlet, and the other guide plate is arranged on the inner wall of the heat exchanger shell close to the purified flue gas outlet.
5. A fluoroplastic flue gas heat exchanger suitable for use in a refuse incineration power plant according to claim 1, characterized in that: former flue gas inlet is loudspeaker form, the big one end of opening with the bottom bolted connection of heat exchanger casing, former exhanst gas outlet is loudspeaker form, the big one end of opening with the top bolted connection of heat exchanger casing.
6. A fluoroplastic flue gas heat exchanger suitable for use in a refuse incineration power plant according to claim 1, characterized in that: the clean flue gas inlet and the clean flue gas outlet are both connected with the side wall of the heat exchanger shell through bolts.
7. A fluoroplastic flue gas heat exchanger suitable for use in a refuse incineration power plant according to claim 4, characterized in that: the heat exchange tube set is a fluoroplastic tube, and the guide plate is made of corrosion-resistant plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757352.3U CN216432610U (en) | 2021-07-30 | 2021-07-30 | Fluoroplastic flue gas heat exchanger suitable for waste incineration power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757352.3U CN216432610U (en) | 2021-07-30 | 2021-07-30 | Fluoroplastic flue gas heat exchanger suitable for waste incineration power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216432610U true CN216432610U (en) | 2022-05-03 |
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ID=81316046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121757352.3U Active CN216432610U (en) | 2021-07-30 | 2021-07-30 | Fluoroplastic flue gas heat exchanger suitable for waste incineration power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216432610U (en) |
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2021
- 2021-07-30 CN CN202121757352.3U patent/CN216432610U/en active Active
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