CN216964148U - Novel two-stage plate type heat exchange waste gas catalytic reaction furnace - Google Patents
Novel two-stage plate type heat exchange waste gas catalytic reaction furnace Download PDFInfo
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- CN216964148U CN216964148U CN202220185976.0U CN202220185976U CN216964148U CN 216964148 U CN216964148 U CN 216964148U CN 202220185976 U CN202220185976 U CN 202220185976U CN 216964148 U CN216964148 U CN 216964148U
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Abstract
The utility model discloses a novel secondary plate type heat exchange waste gas catalytic reaction furnace, wherein the lower end of a waste gas inlet is connected with a first cavity, the inner side of a hot gas outlet is fixedly connected with a plurality of primary heat exchange plates, heat exchange channels are arranged between the primary heat exchange plates, the lower end of the primary heat exchange plate is connected with a second cavity, the heat exchange channels are respectively communicated with the first cavity and the second cavity, a plurality of secondary heat exchange plates are fixedly connected in a catalytic furnace body, a waste gas channel and a hot gas channel are respectively arranged between the secondary heat exchange plates, one side of the second cavity is communicated with the waste gas channel, a third cavity is arranged between the secondary heat exchange plates and the primary heat exchange plates, the third cavity is communicated with the hot gas channel, the lower end of the waste gas outlet is provided with a fourth cavity, the fourth cavity is communicated with the waste gas channel, the inner side of the hot gas inlet is communicated with a fifth cavity, and the fifth cavity is communicated with the hot gas channel. The utility model aims to provide the waste gas catalytic reaction furnace which has high heat exchange efficiency and more thorough waste gas purification.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a novel two-stage plate type heat exchange waste gas catalytic reaction furnace.
Background
In traditional technology, waste gas directly gets into to burn the burning furnace and burns and purify, heats the waste gas admission pipe when the steam discharges in the burning furnace to accomplish the heat exchange, this method is short to waste gas admission pipe heat time, and steam can't obtain abundant utilization, and heat exchange efficiency is lower, and in addition, waste gas residence time in the waste gas admission pipe is shorter, also can't carry out effective absorption to the pipe wall heat, influences heat exchange efficiency once more, makes waste gas purification more thoroughly.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the waste gas catalytic reaction furnace which has high heat exchange efficiency and more thorough waste gas purification.
The technical scheme adopted by the utility model for realizing the purpose is as follows: a novel secondary plate type heat exchange waste gas catalytic reaction furnace comprises a catalytic furnace body, wherein heat preservation cavities are respectively arranged on the peripheral side walls of the catalytic furnace body, a hot gas inlet and a hot gas outlet are respectively and fixedly connected to the two ends of the catalytic furnace body, a waste gas inlet and a waste gas outlet are respectively and fixedly connected to the upper end of the catalytic furnace body, the waste gas inlet is close to one side of the hot gas outlet, the lower end of the waste gas inlet is connected with a first cavity, a plurality of primary heat exchange plates are fixedly connected in the catalytic furnace body inside the hot gas outlet, heat exchange channels are arranged between the primary heat exchange plates, the lower ends of the primary heat exchange plates are connected with a second cavity, the heat exchange channels are respectively communicated with the first cavity and the second cavity, a plurality of secondary heat exchange plates are fixedly connected in the catalytic furnace body, and a waste gas channel and a hot gas channel are respectively arranged between the secondary heat exchange plates, just hot gas passageway and exhaust gas passageway set up at interval each other, second cavity one side with the exhaust gas passageway is linked together, be provided with the third cavity between second grade heat transfer board and the one-level heat transfer board, the third cavity is linked together with hot gas passageway, it has a plurality of heat exchange tubes to run through on the one-level heat transfer board, heat exchange tube one end is access to the steam outlet, the heat exchange tube other end is linked together with the third cavity, the exhaust gas outlet lower extreme is provided with the fourth cavity, the fourth cavity is linked together with the exhaust gas passageway, the inboard intercommunication of steam inlet has the fifth cavity, the fifth cavity is linked together with hot gas passageway, just fixedly connected with catalytic unit in the fifth cavity.
In some of the implementation, still include and burn burning furnace, burn burning furnace upper end one side fixedly connected with waste gas takeover, burn burning furnace homonymy lower extreme fixedly connected with steam output tube, the waste gas takeover is connected with the waste gas export through the conveyer pipe, and the steam output tube of telling is connected with the steam inlet.
In some of the implementations, a plurality of air-equalizing plates are connected between the second-stage heat exchange plates in a penetrating manner, and the air-equalizing plates are arranged in a staggered manner.
In some implementations, the insulating cavity is vacuum or filled with an inert gas.
In some implementations, the catalytic device includes a fixed frame, a grid frame, and a catalyst, the fixed frame is fixedly connected in the fifth cavity, the grid frame is fixedly connected in the fixed frame, and the catalyst is filled in the grid frame.
In some of the implementations, one end of the outlet of the heat exchange tube is fixedly connected with a filter layer.
In some implementations, the filter layer is provided with a glass fiber filter screen, an activated carbon filter layer and an asbestos filter layer from inside to outside of the tube in sequence.
The utility model has the beneficial effects that: this device carries out preheating treatment through one-level heat transfer board to waste gas, later further heats the intensification to waste gas through the second grade heat transfer board, later carries waste gas to burning furnace and burns the purification again, can carry out make full use of to the heat that waste gas burns the production, and waste gas heat exchange efficiency is higher, and waste gas administers more thoroughly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of the part A1 in FIG. 2;
fig. 4 is a schematic cross-sectional view of a portion a2 in fig. 2.
In the figure: the device comprises a catalytic furnace body 1, a heat preservation cavity 2, a hot gas inlet 3, a hot gas outlet 4, a waste gas inlet 5, a waste gas outlet 6, a first cavity 7, a first-stage heat exchange plate 8, a heat exchange channel 9, a second cavity 10, a second-stage heat exchange plate 11, a waste gas channel 12, a hot gas channel 13, a third cavity 14, a heat exchange tube 15, a fourth cavity 16, a fifth cavity 17, a catalytic device 18, an incinerator 19, a waste gas connecting tube 20, a hot gas output tube 21, an air equalizing plate 22 and a filter layer 23.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, a novel secondary plate type heat exchange exhaust gas catalytic reaction furnace comprises a catalytic furnace body 1, wherein heat preservation cavities 2 are respectively arranged on the peripheral side walls of the catalytic furnace body 1, a hot gas inlet 3 and a hot gas outlet 4 are respectively fixedly connected at two ends of the catalytic furnace body 1, a waste gas inlet 5 and a waste gas outlet 6 are respectively fixedly connected at the upper end of the catalytic furnace body 1, the waste gas inlet 5 is close to one side of the hot gas outlet 4, a first cavity 7 is connected at the lower end of the waste gas inlet 5, a plurality of primary heat exchange plates 8 are fixedly connected in the catalytic furnace body 1 at the inner side of the hot gas outlet 4, a heat exchange channel 9 is arranged between the primary heat exchange plates 8, a second cavity 10 is connected at the lower end of the primary heat exchange plate 8, the heat exchange channel 9 is respectively communicated with the first cavity 7 and the second cavity 10, a plurality of secondary heat exchange plates 11 are fixedly connected in the catalytic furnace body 1, a waste gas channel 12 and a hot gas channel 13 are respectively arranged between the secondary heat exchange plates 11, and the hot gas channel 13 and the waste gas channel 12 are arranged at intervals, one side of the second cavity 10 is communicated with the waste gas channel 12, a third cavity 14 is arranged between the second-stage heat exchange plate 11 and the first-stage heat exchange plate 8, the third cavity 14 is communicated with the hot gas channel 13, a plurality of heat exchange tubes 15 penetrate through the first-stage heat exchange plate 8, one end of each heat exchange tube 15 is communicated with the hot gas outlet 4, the other end of each heat exchange tube 15 is communicated with the third cavity 14, the lower end of the waste gas outlet 6 is provided with a fourth cavity 16, the fourth cavity 16 is communicated with the waste gas channel 12, the inner side of the hot gas inlet 3 is communicated with a fifth cavity 17, the fifth cavity 17 is communicated with the hot gas channel 13, and a catalytic device 18 is fixedly connected in the fifth cavity 17, when in use, firstly, waste gas enters the first cavity 7 through the waste gas inlet 5, then one end of the first cavity 7 enters the heat exchange channel 9 between the first-stage heat exchange plates 8 and enters the second cavity 10 through the heat exchange channel 9, then the waste gas enters the waste gas channel 12 from the second cavity 10, enters the fourth cavity 16 through the waste gas channel 12, the waste gas is output to the delivery pipe from the waste gas outlet 6 through the fourth cavity 16, the waste gas is delivered to the incinerator 19 through the delivery pipe for heating and incineration, the waste gas is incinerated and converted into hot gas, the hot gas is input into the catalytic incinerator body 1 again through the hot gas inlet 3 after being incinerated, and firstly enters the fifth cavity 17, harmful substances in the hot gas are purified after being catalyzed by the catalytic device 18 in the fifth cavity 17, the hot gas enters the hot gas channel 13 from the fifth cavity 17, heat in the hot gas channel 13 is absorbed by the secondary heat exchange plate 11, and is transferred to the waste gas channel 12, so that the waste gas in the waste gas channel 12 is heated, the hot gas enters the third cavity 14 after passing through the hot gas channel 13, and then enters the heat exchange tube 15 from the third cavity 14, finally the treated exhaust gas is discharged through the hot gas outlet 4.
In some of the embodiments, the waste gas treatment device further comprises an incinerator 19, one side of the upper end of the incinerator 19 is fixedly connected with a waste gas connecting pipe 20, the lower end of the same side of the incinerator 19 is fixedly connected with a hot gas output pipe 21, the waste gas connecting pipe 20 is connected with the waste gas outlet 6 through a conveying pipe, and the hot gas output pipe 21 is connected with the hot gas inlet 3 to connect the incinerator 19 for heating and burning waste gas, so that organic harmful substances in the waste gas are decomposed into harmless substances.
In some of them implement, through connection has a plurality of wind boards 22 between the second grade heat transfer board 11, and wind board 22 is crisscross the setting each other, at first makes waste gas and the steam homodisperse that passes through, improves the heat transfer effect of second grade heat transfer board 11, and again, wind board 22 adopts the heat conduction material preparation for improve heat transfer body surface area, further improve heat exchange efficiency.
In some embodiments, the heat-insulating chamber 2 is vacuum or filled with inert gas to improve the heat-insulating property of the catalytic furnace body 1.
In some embodiments, the catalytic device 18 includes a fixed frame, a grid frame, and a catalyst, the fixed frame is fixedly connected in the fifth cavity 17, the grid frame is fixedly connected in the fixed frame, and the catalyst is filled in the grid frame for catalytic purification of the exhaust gas.
In some of the implementations, one end of the outlet of the heat exchange tube 15 is fixedly connected with a filter layer 23, and the filter layer 23 is sequentially provided with a glass fiber filter screen, an activated carbon filter layer 23 and an asbestos filter layer 23 from inside to outside of the tube, so that the discharged waste gas is further purified, and the waste gas purification effect is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments as will be understood by those skilled in the art.
Claims (7)
1. The utility model provides a novel board-like heat transfer waste gas catalytic reaction stove of second grade, includes catalytic furnace body (1), its characterized in that: the heat preservation cavity (2) is respectively arranged on the side walls around the catalytic furnace body (1), the two ends of the catalytic furnace body (1) are respectively fixedly connected with a hot gas inlet (3) and a hot gas outlet (4), the upper end of the catalytic furnace body (1) is respectively fixedly connected with a waste gas inlet (5) and a waste gas outlet (6), the waste gas inlet (5) is close to one side of the hot gas outlet (4), the lower end of the waste gas inlet (5) is connected with a first cavity (7), a plurality of first-stage heat exchange plates (8) are fixedly connected in the catalytic furnace body (1) at the inner side of the hot gas outlet (4), a heat exchange channel (9) is arranged between the first-stage heat exchange plates (8), the lower end of each first-stage heat exchange plate (8) is connected with a second cavity (10), and the heat exchange channel (9) is respectively communicated with the first cavity (7) and the second cavity (10), a plurality of second-stage heat exchange plates (11) are fixedly connected in the catalytic furnace body (1), a waste gas channel (12) and a hot gas channel (13) are respectively arranged between the second-stage heat exchange plates (11), the hot gas channel (13) and the waste gas channel (12) are arranged at intervals, one side of the second cavity (10) is communicated with the waste gas channel (12), a third cavity (14) is arranged between the second-stage heat exchange plates (11) and the first-stage heat exchange plate (8), the third cavity (14) is communicated with the hot gas channel (13), a plurality of heat exchange tubes (15) are penetrated on the first-stage heat exchange plate (8), one end of each heat exchange tube (15) is led to the hot gas outlet (4), the other end of each heat exchange tube (15) is communicated with the third cavity (14), a fourth cavity (16) is arranged at the lower end of the waste gas outlet (6), and the fourth cavity (16) is communicated with the waste gas channel (12), the inner side of the hot gas inlet (3) is communicated with a fifth cavity (17), the fifth cavity (17) is communicated with the hot gas channel (13), and a catalytic device (18) is fixedly connected in the fifth cavity (17).
2. The novel two-stage plate type heat exchange exhaust gas catalytic reaction furnace of claim 1, characterized in that: the incinerator is characterized by further comprising an incinerator (19), a waste gas connecting pipe (20) is fixedly connected to one side of the upper end of the incinerator (19), a hot gas output pipe (21) is fixedly connected to the lower end of the same side of the incinerator (19), the waste gas connecting pipe (20) is connected with a waste gas outlet (6) through a conveying pipe, and the hot gas output pipe (21) is connected with a hot gas inlet (3).
3. The novel two-stage plate type heat exchange exhaust gas catalytic reaction furnace of claim 1, characterized in that: a plurality of air equalizing plates (22) are connected between the second-stage heat exchange plates (11) in a penetrating mode, and the air equalizing plates (22) are arranged in a staggered mode.
4. The novel two-stage plate type heat exchange exhaust gas catalytic reaction furnace of claim 1, characterized in that: the heat preservation cavity (2) is vacuum or filled with inert gas.
5. The novel two-stage plate type heat exchange exhaust gas catalytic reaction furnace of claim 1, characterized in that: the catalytic device (18) comprises a fixed frame, a grid frame and a catalyst, wherein the fixed frame is fixedly connected in the fifth cavity (17), the grid frame is fixedly connected in the fixed frame, and the catalyst is filled in the grid frame.
6. The novel two-stage plate type heat exchange exhaust gas catalytic reaction furnace of claim 1, characterized in that: one end of the outlet of the heat exchange tube (15) is fixedly connected with a filter layer (23).
7. The novel two-stage plate heat exchange exhaust gas catalytic reaction furnace according to claim 6, characterized in that: the filter layer (23) is sequentially provided with a glass fiber filter screen, an active carbon filter layer (23) and an asbestos filter layer (23) from the inside to the outside of the pipe.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN117906385A (en) * | 2024-03-19 | 2024-04-19 | 厦门兴荣锂源科技有限公司 | Kiln energy-saving device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN117906385A (en) * | 2024-03-19 | 2024-04-19 | 厦门兴荣锂源科技有限公司 | Kiln energy-saving device |
CN117906385B (en) * | 2024-03-19 | 2024-05-28 | 厦门兴荣锂源科技有限公司 | Kiln energy-saving device |
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