CN215217316U - Heat recovery device - Google Patents

Heat recovery device Download PDF

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Publication number
CN215217316U
CN215217316U CN202121320448.3U CN202121320448U CN215217316U CN 215217316 U CN215217316 U CN 215217316U CN 202121320448 U CN202121320448 U CN 202121320448U CN 215217316 U CN215217316 U CN 215217316U
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channel
heat
heat exchange
arc
waste gas
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CN202121320448.3U
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肖芳芳
苏卫峰
叶小芳
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Wuxi Institute of Technology
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Wuxi Institute of Technology
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Abstract

The utility model discloses a heat recovery device, which comprises a shell, wherein a heat conduction clapboard is arranged in the shell, and the shell is divided into a waste gas channel and a heat exchange channel by the heat conduction clapboard; the top of the waste gas channel extends outwards to form a first arc-shaped connecting channel; the bottom of the waste gas channel is a waste gas inlet, one end of the first arc-shaped connecting channel, which is far away from the waste gas channel, is a waste gas outlet, the waste gas inlet is inwards sunken to be provided with a first mounting groove, and a first filter screen is arranged on the first mounting groove; the top of the heat exchange channel extends outwards to form a second arc-shaped connecting channel; one end of the second arc-shaped connecting channel, which is far away from the heat exchange channel, is a heat exchange inlet, and the bottom of the heat exchange channel is a heat exchange outlet; the heat exchange inlet is provided with a second mounting groove which is inwards sunken, and a second filter screen is arranged on the second mounting groove. The utility model discloses a heat recovery device realizes the heat exchange between gas and the gas, effectively utilizes the waste heat of useless hot gas.

Description

Heat recovery device
Technical Field
The utility model belongs to the technical field of heat recovery, especially, relate to a heat recovery device.
Background
The waste heat refers to sensible heat and latent heat which are not reasonably utilized in the original design in the energy consumption device of the put-in-operation industrial enterprise due to the limitations of factors such as history, technology, concept and the like. The method comprises the steps of high-temperature waste gas waste heat, cooling medium waste heat, waste steam waste water waste heat, high-temperature product and slag waste heat, chemical reaction waste heat, combustible waste gas waste liquid, waste material waste heat and the like. According to investigation, the total waste heat resources of all industries account for 17% -67% of the total fuel consumption, and the recyclable waste heat resources account for 60% of the total waste heat resources.
Oil gas workshop in the mill can produce a large amount of used heat air every day, and direct emission pollutes the external environment on the one hand, and on the other hand, the heat in the used heat air runs off, causes the waste.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies of the prior art, the object of the present invention is to: the heat recovery device is provided, so that heat exchange between gas is realized, and the waste heat of waste hot gas is effectively utilized.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a heat recovery device comprises a shell, wherein a heat conduction partition plate is arranged in the shell, and the shell is divided into an exhaust gas channel and a heat exchange channel by the heat conduction partition plate;
the top of the waste gas channel extends outwards to form a first arc-shaped connecting channel, and the first arc-shaped connecting channel is communicated with the waste gas channel; the bottom of the waste gas channel is a waste gas inlet, one end of the first arc-shaped connecting channel, which is far away from the waste gas channel, is a waste gas outlet, the waste gas inlet is inwards sunken to be provided with a first mounting groove, and a first filter screen is arranged on the first mounting groove; a plurality of first partition plates are horizontally arranged on the inner wall, far away from the heat-conducting partition plate, of the waste gas channel from top to bottom;
the top of the heat exchange channel extends outwards to form a second arc-shaped connecting channel, and the second arc-shaped connecting channel is communicated with the heat exchange channel; one end of the second arc-shaped connecting channel, which is far away from the heat exchange channel, is a heat exchange inlet, and the bottom of the heat exchange channel is a heat exchange outlet; a second mounting groove is formed in the heat exchange inlet in an inwards recessed mode, and a second filter screen is arranged on the second mounting groove; and a plurality of third clapboards are horizontally arranged on the inner wall of the heat exchange channel far away from the heat conducting clapboards from top to bottom.
In one embodiment, the first curved connecting channel is fixed to the top of the exhaust gas channel by welding.
In one embodiment, a first frame matched with the first installation groove is arranged at the edge position of the first filter screen, a first bolt is arranged on the first frame, and the first filter screen is installed on the first installation groove through the first frame and fixed through the first bolt.
In one embodiment, a plurality of second partition plates are horizontally arranged on the side face, opposite to the first partition plates, of the heat-conducting partition plate from top to bottom in sequence, and one second partition plate is arranged between every two adjacent first partition plates on the exhaust gas channel.
In one embodiment, the second arc-shaped connecting channel is fixed on the top of the heat exchange channel by welding.
In one embodiment, a second frame matched with the second mounting groove is arranged at the edge of the second filter screen, a second bolt is arranged on the second frame, and the second filter screen is mounted on the second mounting groove through the second frame and fixed through the second bolt.
In one embodiment, a plurality of fourth partition plates are horizontally arranged on the side face, opposite to the third partition plate, of the heat-conducting partition plate from top to bottom in sequence, and one fourth partition plate is arranged between every two adjacent third partition plates on the heat exchange channel.
In one embodiment, the first filter screen and the second filter screen are both arc-shaped structures.
In one embodiment, the outer wall of the casing, the outer wall of the first arc-shaped connecting channel and the outer wall of the second arc-shaped connecting channel are coated with a heat insulating layer, and the heat insulating layer is made of polyethylene.
In one embodiment, a first fan is disposed in the exhaust gas duct near the exhaust gas inlet, and a second fan is disposed in the second arc-shaped connecting channel near the heat exchange inlet.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the heat exchange between the gas and the waste heat is realized, and the waste heat of the waste hot gas is effectively utilized;
(2) the waste air and the cold air are effectively filtered by arranging the filter screens at the waste gas inlet and the heat exchange inlet, so that the waste air is prevented from polluting the external environment when being discharged;
(3) simple structure, convenient use and high heat exchange efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the connection between the housing and the first arc-shaped connecting channel and the second arc-shaped connecting channel in the present embodiment;
fig. 2 is a schematic structural diagram of the first filter screen in the present embodiment;
fig. 3 is a schematic structural diagram of a heat recovery device in the present embodiment;
fig. 4 is a sectional view of a heat recovery device in the present embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 4, a heat recovery device includes a casing 1, a heat conducting partition plate 4 is disposed in the casing 1, and the casing 1 is divided into an exhaust gas channel 2 and a heat exchange channel 3 by the heat conducting partition plate 4;
as shown in fig. 1, a first arc-shaped connecting channel 7 extends outwards from the top of the exhaust gas channel 2, and the first arc-shaped connecting channel 7 is communicated with the exhaust gas channel 2. Specifically, the first arc-shaped connecting passage 7 is fixed to the top of the exhaust gas passage 2 by welding. The bottom of exhaust gas passageway 2 is the waste gas import, the one end of keeping away from exhaust gas passageway 2 on the first arc linking channel 7 is the exhaust outlet, waste gas import department is inwards sunken to be equipped with first mounting groove 5, be equipped with first filter screen 9 on the first mounting groove 5. Specifically, a first frame 10 matched with the first mounting groove 5 is arranged at the edge position of the first filter screen 9, a first bolt 11 is arranged on the first frame 10, and the first filter screen 9 is mounted on the first mounting groove 5 through the first frame 10 and fixed through the first bolt 11; so set up, waste heat air in the oil gas workshop can carry out preliminary filtration, then gets into exhaust gas passageway 2 to first filter screen 9 is dismantled conveniently, is convenient for wash or change. As shown in fig. 4, a plurality of first partitions 16 are horizontally arranged on the inner wall of the exhaust gas channel 2 far from the heat-conducting partition 4 from top to bottom, so as to extend the path of the waste heat air, thereby facilitating sufficient heat exchange. Furthermore, a plurality of second partition plates 17 are horizontally arranged on the side face, opposite to the first partition plates 16, of the heat-conducting partition plate 4 from top to bottom in sequence, and one second partition plate 17 is arranged between every two adjacent first partition plates 16 on the waste gas channel 2. So set up, further prolong the route of used heat air.
The top of heat transfer passageway 3 outwards extends and is equipped with second arc connecting channel 6, second arc connecting channel 6 with heat transfer passageway 3 is linked together. Specifically, the second arc-shaped connecting channel 6 is fixed on the top of the heat exchange channel 3 by welding. One end, far away from heat exchange channel 3, of second arc-shaped connecting channel 6 is a heat exchange inlet, and the bottom of heat exchange channel 3 is a heat exchange outlet. The heat exchange inlet is provided with a second mounting groove 8 which is recessed inwards, and a second filter screen 12 is arranged on the second mounting groove 8. Specifically, a second frame matched with the second mounting groove is arranged at the edge of the second filter screen 12, a second bolt is arranged on the second frame, and the second filter screen 12 is mounted on the second mounting groove 8 through the second frame and fixed through the second bolt; so set up, outside cold air can carry out preliminary filtration, then gets into heat transfer passageway 3 to second filter screen 12 is dismantled conveniently, is convenient for wash or change. A plurality of third clapboards 14 are horizontally arranged on the inner wall of the heat exchange channel 3 far away from the heat conducting clapboards 4 from top to bottom, and the arrangement prolongs the path of cold air, so that heat exchange with waste heat air is facilitated sufficiently. Furthermore, a plurality of fourth partition plates 15 are horizontally arranged on the side face, opposite to the third partition plates 14, of the heat-conducting partition plate 4 from top to bottom in sequence, and a fourth partition plate 15 is arranged between every two adjacent third partition plates 14 on the heat exchange channel 3. So set up, further prolong the route of cold air, further improve heat exchange efficiency.
Preferably, the first filter screen 9 and the second filter screen 12 are both arc-shaped structures, so that the filtering area is increased.
In order to reduce the loss of heat in the heat exchange process, the outer wall of the shell 1, the outer wall of the first arc-shaped connecting channel 7 and the outer wall of the second arc-shaped connecting channel 6 are all coated with a heat insulating layer, and specifically, the heat insulating layer is made of polyethylene.
Further, in order to further improve the heat exchange efficiency, a first fan 18 is arranged in the exhaust gas pipeline 2 close to the exhaust gas inlet, and a second fan 13 is arranged in the second arc-shaped connecting channel 6 close to the heat exchange inlet; the first fan 18 facilitates the drawing of waste heat air into the exhaust gas channel 2 and the second fan 13 facilitates the drawing of cool air into the heat exchange channel 3.
The working principle is as follows: during heat exchange, waste heat air is filtered through the first filter screen 9 on the waste gas channel 2 and then enters the waste gas channel 2; the cold air is filtered by the second filter screen 12 on the second arc-shaped connecting channel 6 at the same time, and then enters the heat exchange channel 3 to exchange heat with the waste heat air; after the heat exchange of the waste heat air is finished, the waste heat air is discharged to the corresponding external pipeline from the waste gas outlet on the first arc-shaped connecting channel 7 for subsequent purification treatment, and the cold air is discharged to the corresponding external pipeline from the heat exchange inlet on the heat exchange channel 3 for heat energy utilization after the heat exchange.
It is right above the utility model provides a heat recovery device has carried out the detailed introduction, and it is right to have used specific individual example herein the utility model discloses a structure and theory of operation have been expounded, and the explanation of above embodiment only is used for helping understanding the utility model discloses a method and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be subject to several improvements and modifications, which also fall within the scope of the present invention-protected by the novel claims.

Claims (10)

1. A heat recovery device is characterized by comprising a shell, wherein a heat conduction partition plate is arranged in the shell, and the shell is divided into an exhaust gas channel and a heat exchange channel by the heat conduction partition plate;
the top of the waste gas channel extends outwards to form a first arc-shaped connecting channel, and the first arc-shaped connecting channel is communicated with the waste gas channel; the bottom of the waste gas channel is a waste gas inlet, one end of the first arc-shaped connecting channel, which is far away from the waste gas channel, is a waste gas outlet, the waste gas inlet is inwards sunken to be provided with a first mounting groove, and a first filter screen is arranged on the first mounting groove; a plurality of first partition plates are horizontally arranged on the inner wall, far away from the heat-conducting partition plate, of the waste gas channel from top to bottom;
the top of the heat exchange channel extends outwards to form a second arc-shaped connecting channel, and the second arc-shaped connecting channel is communicated with the heat exchange channel; one end of the second arc-shaped connecting channel, which is far away from the heat exchange channel, is a heat exchange inlet, and the bottom of the heat exchange channel is a heat exchange outlet; a second mounting groove is formed in the heat exchange inlet in an inwards recessed mode, and a second filter screen is arranged on the second mounting groove; and a plurality of third clapboards are horizontally arranged on the inner wall of the heat exchange channel far away from the heat conducting clapboards from top to bottom.
2. A heat recovery device in accordance with claim 1, wherein said first arcuate connecting channel is secured to the top of said flue gas channel by welding.
3. The heat recovery device according to claim 2, wherein a first frame adapted to the first mounting groove is disposed at an edge of the first filter, a first bolt is disposed on the first frame, and the first filter is mounted on the first mounting groove through the first frame and fixed by the first bolt.
4. A heat recovery device according to any one of claims 1 to 3, wherein a plurality of second partition plates are horizontally arranged from top to bottom on the side of the heat conducting partition plate facing the first partition plate, and a second partition plate is arranged between two adjacent first partition plates on the exhaust gas channel.
5. A heat recovery device in accordance with claim 1 wherein said second arcuate connecting channel is secured to the top of said heat exchange channel by welding.
6. The heat recovery device according to claim 1, 2, 3 or 5, wherein a second frame adapted to the second mounting groove is disposed at an edge of the second filter screen, a second bolt is disposed on the second frame, and the second filter screen is mounted on the second mounting groove through the second frame and fixed by the second bolt.
7. The heat recovery device of claim 1, 2, 3 or 5, wherein a plurality of fourth partition plates are horizontally arranged on the side surface of the heat conducting partition plate facing the third partition plates from top to bottom, and a fourth partition plate is arranged between two adjacent third partition plates on the heat exchange channel.
8. A heat recovery device according to claim 1, 2, 3 or 5 wherein the first and second filters are of arcuate configuration.
9. The heat recovery device of claim 1, 2, 3 or 5, wherein the outer wall of the casing, the outer wall of the first arc-shaped connecting channel and the outer wall of the second arc-shaped connecting channel are coated with a layer of insulating layer, and the insulating layer is made of polyethylene.
10. A heat recovery device according to claim 1, 2, 3 or 5 wherein a first fan is provided in the exhaust gas channel adjacent the exhaust gas inlet and a second fan is provided in the second arcuate connecting channel adjacent the heat exchange inlet.
CN202121320448.3U 2021-06-11 2021-06-11 Heat recovery device Active CN215217316U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121320448.3U CN215217316U (en) 2021-06-11 2021-06-11 Heat recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121320448.3U CN215217316U (en) 2021-06-11 2021-06-11 Heat recovery device

Publications (1)

Publication Number Publication Date
CN215217316U true CN215217316U (en) 2021-12-17

Family

ID=79425399

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121320448.3U Active CN215217316U (en) 2021-06-11 2021-06-11 Heat recovery device

Country Status (1)

Country Link
CN (1) CN215217316U (en)

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