CN217541573U - High-temperature radiation heat exchange device - Google Patents
High-temperature radiation heat exchange device Download PDFInfo
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- CN217541573U CN217541573U CN202221469461.XU CN202221469461U CN217541573U CN 217541573 U CN217541573 U CN 217541573U CN 202221469461 U CN202221469461 U CN 202221469461U CN 217541573 U CN217541573 U CN 217541573U
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Abstract
The utility model relates to a high temperature radiation heat transfer device belongs to indirect heating equipment technical field. The high-temperature radiation heat exchange device comprises a first heat exchange mechanism, an expansion mechanism and a second heat exchange mechanism which are sequentially connected; the first heat exchange mechanism comprises a first heat exchange shell and a first heat exchange coil; the expansion mechanism comprises an outer corrugated pipe and an inner corrugated pipe which are coaxially arranged; the second heat exchange mechanism comprises a second heat exchange shell and a second heat exchange coil. The high-temperature radiation heat exchange device of the utility model divides the radiation heat exchanger into three parts, thereby reducing the size of a single mechanism and facilitating the manufacture and transportation; in addition, the damaged part can be independently replaced during later maintenance, so that the later maintenance cost is reduced; the utility model discloses a set up expansion mechanism, at the heat transfer operation in-process, expansion mechanism can absorb the stress that flue gas pipeline expansion deformation produced to effectively prevent high temperature radiation heat transfer device and damage because of the expansion deformation after being heated.
Description
Technical Field
The utility model relates to a high temperature radiation heat transfer device belongs to indirect heating equipment technical field.
Background
With the development of national economy, energy utilization and environmental protection become one of the hot issues of people's attention. Energy utilization ways are distributed in various fields of various industries, and a large amount of waste gas is generated in the production process of modern industrial enterprises, and most of the waste gas has higher temperature. However, according to investigation, the problem that waste heat energy is discharged randomly in production in many industries in China still exists. For example, in the automobile coating industry, a fuel combustion heating mode is often adopted in heating processes such as hot water washing, degreasing, drying and curing, a large amount of high-temperature flue gas and waste gas are generated after fuel is combusted in the heating process, if the high-temperature air is directly discharged into the atmosphere, heat energy is wasted, and the heat can be effectively recovered through a waste heat recovery device and reused.
The flue gas waste heat recovery device used on the existing fuel furnace is mostly a cylinder circular seam type radiation heat exchanger, which mainly comprises two concentrically installed flue gas pipelines and an outer pipe, wherein flue gas flows through the flue gas pipeline with a large diameter at a low speed, cold air flows through an annular channel reserved between the outer pipe and the flue gas pipeline at a high speed, high-temperature flue gas mainly transfers heat to the inner wall of the flue gas pipeline in a radiation mode, and the inner wall heated to a high temperature by the flue gas transfers the heat to the cold air in the annular channel in a convection mode. In addition, the inner wall of the flue gas pipeline transfers heat to the outer pipe in a radiation mode, and the outer pipe transfers heat to cold air in a convection mode to heat the cold air to high temperature.
At present, the traditional radiation heat exchanger has the following problems:
1. the prior radiation heat exchanger has large size, is extremely inconvenient to manufacture and transport, and has integral shell, heavy product and difficult maintenance or replacement;
2. the existing radiation heat exchanger is easy to generate thermal expansion deformation in the process of long-time use of both an outer pipe and a flue gas pipeline, so that the heat exchanger is damaged.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to, it is not enough to prior art, provide a high temperature radiation heat transfer device.
The utility model discloses a solve the technical scheme that above-mentioned technical problem provided and be: a high-temperature radiation heat exchange device comprises a first heat exchange mechanism, an expansion mechanism and a second heat exchange mechanism which are sequentially connected;
the first heat exchange mechanism comprises a first heat exchange shell and a first heat exchange coil, a hot side inlet is formed in one side, away from the expansion mechanism, of the first heat exchange shell, a first hot side connecting flange is arranged on the other side of the first heat exchange shell, a cold side outlet is formed in the upper end of the first heat exchange shell, one end of the first heat exchange coil is communicated with the cold side outlet, a first cold side connecting flange is arranged at the other end of the first heat exchange coil, and the inner side of the first hot side connecting flange is fixedly connected with the outer side of the first cold side connecting flange through a first connecting rod;
the expansion mechanism comprises an outer corrugated pipe and an inner corrugated pipe which are coaxially arranged, outer connecting flanges are arranged at two ends of the outer corrugated pipe, inner connecting flanges are arranged at two ends of the inner corrugated pipe, and the inner side of each outer connecting flange is fixedly connected with the outer side of each inner connecting flange through a corrugated pipe connecting rod;
the second heat exchange mechanism comprises a second heat exchange shell and a second heat exchange coil, a hot side outlet is formed in one side, away from the expansion mechanism, of the second heat exchange shell, a second hot side connecting flange is arranged on the other side of the second heat exchange shell, a cold side inlet is formed in the lower end of the second heat exchange shell, one end of the second heat exchange coil is communicated with the cold side inlet, a second cold side connecting flange is arranged at the other end of the second heat exchange coil, and the inner side of the second hot side connecting flange is fixedly connected with the outer side of the second cold side connecting flange through a second connecting rod.
The improvement of the technical scheme is as follows: first heat exchange coil and second heat exchange coil are provided with the metal spoiler respectively, and the metal spoiler sets up with first heat exchange coil and second heat exchange coil's lateral wall is perpendicular respectively.
The improvement of the technical scheme is as follows: the expansion mechanism further comprises a supporting device, and the supporting device is arranged on the outer side wall of the outer corrugated pipe at uniform intervals along the circumferential direction of the outer corrugated pipe.
The improvement of the technical scheme is as follows: the supporting device comprises two supporting plates and two supporting screw rods, the two supporting plates are symmetrically arranged on the outer side walls of the two ends of the outer corrugated pipe, the two ends of each supporting screw rod penetrate through the supporting plates respectively, and the two sides of each supporting plate are provided with limiting nuts respectively, and the limiting nuts are in threaded connection with the supporting screw rods respectively.
The improvement of the technical scheme is as follows: the number of the supporting devices is four.
The improvement of the technical scheme is as follows: and a reinforcing rib plate is arranged between the supporting plate and the outer side wall of the outer corrugated pipe.
The improvement of the technical scheme is as follows: the first connecting rods, the corrugated pipe connecting rods and the second connecting rods are four respectively, the four first connecting rods are arranged along the circumferential direction of the first cold side connecting flange at uniform intervals, the four corrugated pipe connecting rods are arranged along the circumferential direction of the inner connecting flange at uniform intervals, and the four second connecting rods are arranged along the circumferential direction of the second cold side connecting flange at uniform intervals.
The improvement of the technical scheme is as follows: the perpendicular rigid coupling of lateral wall of first heat transfer casing has first anti-roll bracing piece, and the perpendicular rigid coupling of lateral wall of second heat transfer casing has the second anti-roll bracing piece.
The utility model adopts the above technical scheme's beneficial effect is:
(1) The high-temperature radiation heat exchange device of the utility model divides the radiation heat exchanger into three parts, namely the first heat exchange mechanism, the expansion mechanism and the second heat exchange mechanism, thereby reducing the size of a single mechanism and facilitating the manufacture and the transportation; in addition, the damaged part can be independently replaced during later maintenance, so that the later maintenance cost is reduced;
(2) The expansion mechanism is arranged in the high-temperature radiation heat exchange device, so that the expansion mechanism can absorb stress generated by expansion deformation of the flue gas pipeline in the heat exchange operation process, the high-temperature radiation heat exchange device is effectively prevented from being damaged due to expansion deformation after being heated, and the expansion mechanism consists of the outer corrugated pipe and the inner corrugated pipe, so that the external stress and the internal stress of the high-temperature radiation heat exchange device can be replaced, and the damage probability of the high-temperature radiation heat exchange device is further reduced;
(3) The expansion mechanism in the high-temperature radiation heat exchange device of the utility model is provided with the supporting device, the supporting device can axially support the outer corrugated pipe and the inner corrugated pipe, and the damage of the outer corrugated pipe and the inner corrugated pipe due to overlarge stress can be effectively prevented in the transportation and installation processes;
(4) In the high-temperature radiation heat exchange device, the first heat exchange coil and the second heat exchange coil are respectively provided with the metal spoiler, and in the heat exchange operation process, the metal spoiler can enable high-temperature flue gas to form turbulence near the first heat exchange coil and the second heat exchange coil, so that the high-temperature flue gas is more uniformly distributed outside the first heat exchange coil and the second heat exchange coil and stays for a certain time, and the heat exchange efficiency is improved;
(5) The utility model discloses an among the high temperature radiation heat transfer device, the perpendicular rigid coupling of lateral wall of first heat transfer casing has first anti-roll bracing piece, the perpendicular rigid coupling of lateral wall of second heat transfer casing has second anti-roll bracing piece, in the transportation, first anti-roll bracing piece and cold side export can support brother one heat transfer casing, second anti-roll bracing piece and cold side import can support brother two heat transfer casings, thereby prevent that first heat transfer casing and second heat transfer casing from taking place to roll in the transportation, transportation safety has been guaranteed.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a high-temperature radiation heat exchange device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic sectional structural view of a high-temperature radiation heat exchange device according to an embodiment of the present invention;
fig. 4 is a schematic side view of an expansion mechanism of a high-temperature radiation heat exchange device according to an embodiment of the present invention;
wherein: 1-a hot side inlet, 2-a first anti-rolling support rod, 3-a cold side outlet, 4-a first heat exchange shell, 5-a first hot side connecting flange, 6-an outer connecting flange, 7-an outer corrugated pipe, 8-a support screw, 9-a second hot side connecting flange, 10-a second heat exchange shell, 11-a cold side inlet, 12-a second anti-rolling support rod, 13-a hot side outlet, 14-a reinforcing rib plate, 15-a support plate, 16-a second heat exchange coil, 17-a metal spoiler, 18-a first heat exchange coil, 19-a first cold side connecting flange, 20-a first connecting rod, 21-an inner corrugated pipe, 22-a second cold side connecting flange, 23-a second connecting rod, 24-a corrugated pipe connecting rod and 25-an inner connecting flange.
Detailed Description
Examples
The high-temperature radiation heat exchange device of the embodiment, as shown in fig. 1-4, includes a first heat exchange mechanism, an expansion mechanism and a second heat exchange mechanism, which are connected in sequence; the first heat exchange mechanism comprises a first heat exchange shell 4 and a first heat exchange coil 18, one side, far away from the expansion mechanism, of the first heat exchange shell 4 is provided with a hot side inlet 1, the other side of the first heat exchange shell 4 is provided with a first hot side connecting flange 5, the upper end of the first heat exchange shell 4 is provided with a cold side outlet 3, one end of the first heat exchange coil 18 is communicated with the cold side outlet 3, the other end of the first heat exchange coil 18 is provided with a first cold side connecting flange 19, and the inner side of the first hot side connecting flange 5 is fixedly connected with the outer side of the first cold side connecting flange 19 through a first connecting rod 20;
the expansion mechanism comprises an outer corrugated pipe 7 and an inner corrugated pipe 21 which are coaxially arranged, outer connecting flanges 6 are arranged at two ends of the outer corrugated pipe 7, inner connecting flanges 25 are arranged at two ends of the inner corrugated pipe 21, and the inner sides of the outer connecting flanges 6 are fixedly connected with the outer sides of the inner connecting flanges 25 through corrugated pipe connecting rods 24;
the second heat exchange mechanism comprises a second heat exchange shell 10 and a second heat exchange coil 16, a hot side outlet 13 is arranged on one side, away from the expansion mechanism, of the second heat exchange shell 10, a second hot side connecting flange 9 is arranged on the other side of the second heat exchange shell 10, a cold side inlet 11 is arranged at the lower end of the second heat exchange shell 10, one end of the second heat exchange coil 16 is communicated with the cold side inlet 11, a second cold side connecting flange 22 is arranged at the other end of the second heat exchange coil 16, and the inner side of the second hot side connecting flange 9 is fixedly connected with the outer side of the second cold side connecting flange 22 through a second connecting rod 23. The outer side wall of the first heat exchange shell 4 is vertically and fixedly connected with a first anti-rolling support rod 2, and the outer side wall of the second heat exchange shell 10 is vertically and fixedly connected with a second anti-rolling support rod 12.
In the high-temperature radiation heat exchange device of this embodiment, as shown in fig. 3, the first heat exchange coil 18 and the second heat exchange coil 16 are respectively provided with a metal spoiler 17, and the metal spoiler 17 is respectively perpendicular to the outer side walls of the first heat exchange coil 18 and the second heat exchange coil 16.
In the high-temperature radiation heat exchange device of the present embodiment, as shown in fig. 1, 2 and 3, the expansion mechanism further includes a supporting device, and the supporting device is uniformly arranged on the outer side wall of the outer corrugated pipe 7 at intervals along the circumferential direction of the outer corrugated pipe 7. The supporting device comprises two supporting plates 15 and two supporting screws 8, the two supporting plates 15 are symmetrically arranged on the outer side walls of the two ends of the outer corrugated pipe 7, the two ends of each supporting screw 8 penetrate through the supporting plates 15 respectively, and limiting nuts are arranged on the two sides of each supporting plate 15 respectively and are in threaded connection with the supporting screws 8 respectively. The number of the supporting devices is four. A reinforcing rib 14 is provided between the support plate 15 and the outer side wall of the outer bellows 7.
In the high-temperature radiation heat exchange device of this embodiment, the number of the first connecting rods 20, the number of the bellows connecting rods 24, and the number of the second connecting rods 23 are four, the four first connecting rods 20 are uniformly spaced along the circumferential direction of the first cold-side connecting flange 19, the four bellows connecting rods 24 are uniformly spaced along the circumferential direction of the inner connecting flange 25, and the four second connecting rods 23 are uniformly spaced along the circumferential direction of the second cold-side connecting flange 22.
When the high-temperature radiation heat exchange device of the embodiment is used, the specific use method is as follows: after the first heat exchange mechanism, the expansion mechanism and the second heat exchange mechanism are manufactured, the first heat exchange mechanism, the expansion mechanism and the second heat exchange mechanism are disassembled and transported to an installation site for assembly, the first hot side connecting flange 5 is fixedly connected with the outer connecting flange 6 at one end of the expansion mechanism, the first cold side connecting flange 19 is mutually abutted with the inner connecting flange 25 at one end of the expansion mechanism to form a seal, the second hot side connecting flange 9 is fixedly connected with the outer connecting flange 6 at the other end of the expansion mechanism, and the second cold side connecting flange 22 is mutually abutted with the inner connecting flange 25 at the other end of the expansion mechanism to form a seal; after the installation is finished, high-temperature flue gas is introduced from a hot side inlet 1, and low-temperature clean gas is introduced from a cold side inlet 11; the high-temperature flue gas passes through the first heat exchange shell 4, the outer corrugated pipe 7 and the second heat exchange shell 10 and then is discharged from a hot side outlet 13; the low-temperature clean gas passes through the second heat exchange coil 16, the inner corrugated pipe 21 and the first heat exchange coil 18 and then is discharged from the cold side outlet 3; in the flowing process of the high-temperature flue gas and the low-temperature clean gas, the high-temperature flue gas heats the low-temperature clean gas through heat radiation and heat conduction of the second heat exchange coil 16, the inner corrugated pipe 21 and the first heat exchange coil 18, so that heat exchange is realized.
The high-temperature radiation heat exchange device of the embodiment divides the radiation heat exchanger into three parts, namely the first heat exchange mechanism, the expansion mechanism and the second heat exchange mechanism, so that the size of a single mechanism is reduced, and the manufacturing and the transportation are facilitated; in addition, the damaged part can be independently replaced during later maintenance, so that the later maintenance cost is reduced; the high temperature radiation heat transfer device of this embodiment is through setting up expansion mechanism, and at the heat transfer operation in-process, expansion mechanism can absorb the stress that flue gas pipeline expansion deformation produced to prevent effectively that high temperature radiation heat transfer device from damaging because of the expansion deformation after being heated, and expansion mechanism comprises outer bellows and interior bellows, thereby absorption high temperature radiation heat transfer device's that can change outside and internal stress, further reduce high temperature radiation heat transfer device's damage probability.
In practical application, the number of the first heat exchanging coil 18 and the second heat exchanging coil 16 can be adjusted according to heat exchanging requirements, a plurality of first heat exchanging coils 18 can be communicated with the first cold side connecting flange 19 at the same time, and a plurality of second heat exchanging coils 16 can be communicated with the second cold side connecting flange 22 at the same time.
The present invention is not limited to the above embodiment. All technical solutions formed by equivalent substitutions fall within the protection scope of the present invention.
Claims (8)
1. A high temperature radiation heat transfer device which characterized in that: the heat exchanger comprises a first heat exchange mechanism, an expansion mechanism and a second heat exchange mechanism which are sequentially connected;
the first heat exchange mechanism comprises a first heat exchange shell and a first heat exchange coil, a hot side inlet is formed in one side, away from the expansion mechanism, of the first heat exchange shell, a first hot side connecting flange is arranged on the other side of the first heat exchange shell, a cold side outlet is formed in the upper end of the first heat exchange shell, one end of the first heat exchange coil is communicated with the cold side outlet, a first cold side connecting flange is arranged at the other end of the first heat exchange coil, and the inner side of the first hot side connecting flange is fixedly connected with the outer side of the first cold side connecting flange through a first connecting rod;
the expansion mechanism comprises an outer corrugated pipe and an inner corrugated pipe which are coaxially arranged, outer connecting flanges are arranged at two ends of the outer corrugated pipe, inner connecting flanges are arranged at two ends of the inner corrugated pipe, and the inner side of each outer connecting flange is fixedly connected with the outer side of each inner connecting flange through a corrugated pipe connecting rod;
the second heat exchange mechanism comprises a second heat exchange shell and a second heat exchange coil, a hot side outlet is formed in one side, away from the expansion mechanism, of the second heat exchange shell, a second hot side connecting flange is arranged on the other side of the second heat exchange shell, a cold side inlet is formed in the lower end of the second heat exchange shell, one end of the second heat exchange coil is communicated with the cold side inlet, a second cold side connecting flange is arranged at the other end of the second heat exchange coil, and the inner side of the second hot side connecting flange is fixedly connected with the outer side of the second cold side connecting flange through a second connecting rod.
2. A high temperature radiant heat exchange unit as claimed in claim 1 wherein: the first heat exchange coil and the second heat exchange coil are respectively provided with a metal spoiler, and the metal spoilers are respectively perpendicular to the outer side walls of the first heat exchange coil and the second heat exchange coil.
3. A high temperature radiant heat exchange unit as defined in claim 1 wherein: the expansion mechanism further comprises supporting devices, and the supporting devices are arranged on the outer side wall of the outer corrugated pipe at equal intervals along the circumferential direction of the outer corrugated pipe.
4. A high temperature radiant heat exchange unit as claimed in claim 3 wherein: the supporting device comprises two supporting plates and two supporting screw rods, the two supporting plates are symmetrically arranged on the outer side walls of the two ends of the outer corrugated pipe, the two ends of each supporting screw rod penetrate through the corresponding supporting plate respectively, and limiting nuts are arranged on the two sides of each supporting plate respectively and are in threaded connection with the corresponding supporting screw rods respectively.
5. A high temperature radiant heat exchange unit as claimed in claim 3 wherein: the number of the supporting devices is four.
6. A high temperature radiant heat exchange unit as claimed in claim 4 wherein: and a reinforcing rib plate is arranged between the supporting plate and the outer side wall of the outer corrugated pipe.
7. A high temperature radiant heat exchange unit as claimed in claim 1 wherein: the first connecting rods, the corrugated pipe connecting rods and the second connecting rods are four respectively, the four first connecting rods are arranged along the circumferential direction of the first cold side connecting flange at uniform intervals, the four corrugated pipe connecting rods are arranged along the circumferential direction of the inner connecting flange at uniform intervals, and the four second connecting rods are arranged along the circumferential direction of the second cold side connecting flange at uniform intervals.
8. A high temperature radiant heat exchange unit as claimed in claim 1 wherein: the perpendicular rigid coupling of lateral wall of first heat transfer casing has first anti-roll bracing piece, the perpendicular rigid coupling of lateral wall of second heat transfer casing has second anti-roll bracing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221469461.XU CN217541573U (en) | 2022-06-13 | 2022-06-13 | High-temperature radiation heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221469461.XU CN217541573U (en) | 2022-06-13 | 2022-06-13 | High-temperature radiation heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217541573U true CN217541573U (en) | 2022-10-04 |
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ID=83442607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221469461.XU Active CN217541573U (en) | 2022-06-13 | 2022-06-13 | High-temperature radiation heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217541573U (en) |
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2022
- 2022-06-13 CN CN202221469461.XU patent/CN217541573U/en active Active
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