CN211575126U - High-temperature flue gas quencher - Google Patents
High-temperature flue gas quencher Download PDFInfo
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- CN211575126U CN211575126U CN201922386162.4U CN201922386162U CN211575126U CN 211575126 U CN211575126 U CN 211575126U CN 201922386162 U CN201922386162 U CN 201922386162U CN 211575126 U CN211575126 U CN 211575126U
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Abstract
The utility model provides a high-temperature flue gas quencher, which relates to the technical field of high-temperature flue gas cooling and comprises a quencher body, a quenching liquid injection component and a water curtain spray component, wherein the quenching liquid injection component and the water curtain spray component are arranged on the quencher body; the water curtain spraying assembly is arranged along the side wall of the quencher body and is used for spraying cooling water to the inner wall of the quenching cavity to form a water curtain on the inner wall of the quenching cavity. The utility model discloses having prevented after the high temperature flue gas gets into the quench cooler body, direct and the inner wall contact of high temperature flue gas direct and quench cooler body, the cascade evaporation heat absorption simultaneously also can reduce the temperature of high temperature flue gas to a certain extent, has avoided the toasting of high temperature flue gas to the inner wall of quench cooler body, has prolonged the life of quench cooler.
Description
Technical Field
The utility model belongs to the technical field of high temperature flue gas cooling technique and specifically relates to a high temperature flue gas quencher.
Background
The flue gas containing corrosive gases from incinerators is at a high temperature, typically above 1100 ℃. According to the process requirement, the high-temperature flue gas needs to be quenched and cooled to reduce the concentration of pollutants, and the material selection requirement of systems such as absorption washing and the like is met.
In order to process the flue gas and prevent the high-temperature gas from damaging subsequent equipment, the flue gas needs to be rapidly cooled. The conventional cooling device adopts a tower body spraying mode to cool the flue gas, the mixing of spraying liquid and high-temperature flue gas is poor, and the cooling time is long. When high temperature flue gas got into the quencher simultaneously, quencher inlet section lateral wall exposes for a long time under the high temperature environment, and high temperature flue gas and quencher's lateral wall contact reduce life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature flue gas quencher to after solving among the prior art high temperature flue gas and getting into the quencher, directly with the contact of quencher inlet section, toast the quencher inlet section, lead to the technical problem of quencher life reduction.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of high temperature flue gas quencher, including the quencher body with install in quench liquid injection assembly and cascade spray assembly on the quencher body, wherein:
the quenching device body is a quenching cavity with openings at two sides, and the quenching liquid injection assembly is arranged on the quenching device body and penetrates through the side wall of the quenching device body to inject quenching liquid into the quenching cavity;
the water curtain spraying assembly is arranged along the side wall of the quencher body and is used for spraying cooling water to the inner wall of the quenching cavity to form a water curtain on the inner wall of the quenching cavity.
Preferably, the water curtain spraying assembly is installed at the flue gas inlet end of the quencher body, and the water curtain spraying assembly surrounds the side wall of the quencher body.
Preferably, the cascade spraying subassembly includes cooling water input pipeline, water inlet ring chamber and play water ring chamber, the cooling water input pipeline with water inlet ring chamber intercommunication, water inlet ring chamber encircle in the outside of the lateral wall of quench cooler body, go out the water ring chamber encircle in the inboard of the lateral wall of quench cooler body, water inlet ring chamber with go out water ring chamber intercommunication.
Preferably, swirl small holes are arranged between the water inlet annular cavity and the water outlet annular cavity and are uniformly distributed.
Preferably, an annular gap is formed between the water outlet annular cavity and the inner wall of the quencher body, and cooling water in the water outlet annular cavity flows out through the annular gap and is laid on the inner wall of the quencher body.
Preferably, the water outlet annular cavity is provided with spray holes, and the spray holes are uniformly distributed on the water outlet annular cavity.
Preferably, the quenching liquid injection assembly comprises spray guns, the spray guns are positioned below the water curtain spraying assembly, the spray guns comprise at least one spray gun, and the spray guns are uniformly arranged on the side wall of the quencher body.
Preferably, the spray gun is arranged obliquely, and a liquid spraying end of the spray gun faces to a flue gas outlet end of the quencher body.
Preferably, the flue gas quenching device further comprises a filler layer, wherein the filler layer is located below the quenching device body and is opposite to the flue gas outlet end of the quenching device body.
Preferably, the packing layer consists of several ceramic rings.
The utility model provides a high temperature flue gas quencher has following technological effect:
the high-temperature flue gas quencher mainly comprises a quencher body, a quenching liquid injection component and a water curtain spraying component, wherein the quenching liquid injection component and the water curtain spraying component are arranged on the quencher body, the quenching liquid injection component can inject quenching liquid into a cavity of the quencher body to achieve the purpose of cooling high-temperature flue gas, compared with the traditional quencher, the water curtain spraying component is added to the quencher of the utility model, the water curtain spraying component is arranged along the side wall of the quencher body, and can spray cooling water to the inner wall of the quencher body, the water curtain is formed on the inner wall of the quencher body, so that the high-temperature flue gas is prevented from directly contacting with the inner wall of the quencher body after entering the quencher body, simultaneously the cascade evaporation heat absorption also can reduce the temperature of high temperature flue gas to a certain extent, has avoided the high temperature flue gas to the toast of the inner wall of quench cooler body entry section, has prolonged the life of quench cooler.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description 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 block diagram of an embodiment of a high temperature flue gas quencher in accordance with the present invention;
FIG. 2 is a side view of the high temperature flue gas chiller of FIG. 1;
fig. 3 is a schematic view of the structure of the filler layer in fig. 1.
Wherein, fig. 1-3:
1. a quencher body; 11. a quench chamber; 12. a flue gas inlet end; 13. a flue gas outlet end; 14. a ring slit;
2. a water curtain spray assembly; 21. a water inlet ring cavity; 22. a water outlet ring cavity; 221. an orifice; 23. a cooling water input pipe; 24. a small swirling flow hole;
3. a quench liquid injection assembly;
4. a filler layer; 41. a ceramic ring; 42. a support grid plate; 43. a grid plate bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The high-temperature flue gas quencher provided by the embodiment can reduce the temperature of high-temperature flue gas of 1100 ℃ to 80 ℃ so as to meet the material requirements of systems such as absorption washing and the like.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of an embodiment of a high-temperature flue gas quencher provided by the invention, fig. 2 is a side view of the high-temperature flue gas quencher in fig. 1, and fig. 3 is a schematic structural diagram of a filler layer 4 in fig. 1.
The quencher provided by the present embodiment, as shown in fig. 1-3, mainly comprises a quencher body 1, and a quenching liquid injection assembly 3 and a water curtain spray assembly 2 mounted on the quencher body 1.
Quench cooler body 1, it has both sides open-ended quench chamber 11, and high temperature flue gas gets into quench chamber 11 from one side opening, then goes out from the opposite side opening, and high temperature flue gas realizes the cooling in quench chamber 11 is inside.
The quencher body 1 of the present invention is made of metal material, such as chrome-nickel alloy, or non-metal material, such as graphite.
Quench liquid injection subassembly 3, it includes injection gun and supplies the liquid chamber, injection gun and supply the liquid chamber intercommunication, supply the liquid chamber to provide low temperature liquid for injection gun, realize the cooling of high temperature flue gas.
The utility model discloses a quench liquid injection assembly 3 is not restricted to the spray gun, as long as can realize the injection function of quench liquid, still can be for other kinds of injection apparatus, all is within the protection scope of the utility model.
The water curtain spraying assembly 2 is mainly used for forming a water curtain on the inner wall of the quencher body 1, the water curtain drops down like the flowing water of the curtain, such as waterfalls, dense eave flowing water and the like, the water is directly discharged from a high position, and the water hole is thinner and thinner, so that the water curtain looks like a curtain of water when flowing down.
The specific installation mode is as follows: quench liquid spray assembly 3 installs on quench cooler body 1, and the lateral wall that passes quench cooler body 1 sprays quench liquid to quench cavity 11, reach the purpose for the cooling of high temperature flue gas, cascade spray assembly 2 is located quench spray assembly's top, be located quench cooler body 1's flue gas entry end 12 promptly, because the high temperature flue gas gets into quench cavity 11 back from flue gas entry end 12, at first with the lateral wall contact of flue gas entry end 12, cascade spray assembly 2 encircles on quench cooler body 1's lateral wall, thereby spray cooling water to the inner wall of quench cavity 11's flue gas entry end 12, form the cascade on quench cavity 11's inner wall.
Compare with traditional quench cooler, the utility model discloses a quench cooler has increased cascade spray set 2, cascade spray set 2 sprays the cooling water to the inner wall of quench cooler body 1's flue gas entry end 12, form the cascade on quench cooler body 1's inner wall, prevented that the high temperature flue gas gets into quench cooler body 1 back, the direct inner wall contact with quench cooler body 1 of high temperature flue gas, cascade evaporation heat absorption simultaneously, also can reduce the temperature of high temperature flue gas to a certain extent, the toasting of the inner wall of high temperature flue gas to quench cooler body 1 entry has been avoided, the life of quench cooler has been prolonged.
In a further embodiment, the cascade spray assembly 2 comprises a cooling water inlet pipe 23, a water inlet ring cavity 21 and a water outlet ring cavity 22, and the cooling water is provided to the cascade spray assembly 2 through the cooling water inlet pipe 23, and the cooling water is used for forming the water curtain.
The specific installation mode is as follows: as shown in fig. 1, the cooling water input pipeline 23, the water inlet ring cavity 21 and the water outlet ring cavity 22 are located at the flue gas inlet end 12 of the quencher body 1, the cooling water input pipeline 23 is communicated with the water inlet ring cavity 21, the cooling water input pipeline 23 and the water inlet ring cavity 21 are located outside the quencher body 1, specifically, the water inlet ring cavity 21 surrounds the outer side of the side wall of the quencher body 1, the water outlet ring cavity 22 surrounds the inner side of the side wall of the quencher body 1, the water inlet ring cavity 21 is communicated with the water outlet ring cavity 22, that is, the cooling water flowing into the water inlet ring cavity 21 through the cooling water input pipeline 23 can continue to flow into the water outlet ring cavity 22.
In order to form a water curtain on the inner wall of the quencher body 1, a ring gap 14 is formed between the water outlet ring cavity 22 and the inner wall of the quencher body 1, the ring gap is tightly attached to the inner wall of the quencher body 1, the shape of the ring gap is consistent with the cross section shape of the inner wall, and cooling water in the water outlet ring cavity 22 flows out through the ring gap 14 and is uniformly paved on the inner wall of the quencher body 1, so that the water curtain is formed.
In a specific scheme, swirl small holes 24 are arranged between the water inlet ring cavity 21 and the water outlet ring cavity 22, as shown in fig. 2, the swirl small holes 24 are uniformly arranged, and the water inlet ring cavity 21 sprays cooling water to the water outlet ring cavity 22 through the swirl small holes 24, so that the water inlet ring cavity 21 is communicated with the water outlet ring cavity 22.
In order to realize the intercommunication between water inlet ring chamber 21 and the water outlet ring chamber 22, the utility model discloses a mode of whirl aperture 24 does not confine to whirl aperture 24, and the cooling water that the field of technical personnel as long as can realize water inlet ring chamber 21 is all to water outlet ring chamber 22 within the protection scope of the utility model.
In a further scheme, in order to reduce the air pressure of the inner cavities in the water inlet annular cavity 21 and the water outlet annular cavity 22 and simultaneously realize the preliminary cooling of the outer wall of the water outlet annular cavity 22, the water outlet annular cavity 22 is provided with the spray holes 221, as shown in fig. 1, the spray holes 221 are uniformly distributed on the water outlet annular cavity 22, and the cooling water in the water outlet annular cavity 22 is sprayed to the quenching cavity 11 through the spray holes 221, namely, the purposes of exhausting and cooling are achieved.
In the further scheme, quench liquid injection assembly 3 includes the spray gun, as shown in fig. 1, the spray gun is located cascade spray assembly 2's below, and the spray gun includes one at least, and the spray gun evenly arranges on the lateral wall of quencher body 1, realizes spraying of quench liquid through the spray gun, reaches the purpose for the cooling of high temperature flue gas.
The spray gun adopts a spiral spray head type, and an upper layer and a lower layer are arranged if the circulating liquid amount is large enough.
Specifically, the spray gun is obliquely arranged, and the liquid spraying end of the spray gun faces the flue gas outlet end 13 of the quencher body 1.
In the further scheme, in order to make the contact of high temperature flue gas and quench liquid more abundant, thereby make the high temperature flue gas cooling more thorough, still include packing layer 4, packing layer 4 is located the below of quencher body 1, just to the flue gas exit end 13 of quencher body 1, packing layer 4 comprises a plurality of ceramic ring 41, ceramic ring 41 specifically is as shown in fig. 3, ceramic ring 41 is installed on supporting grid tray 42, and supporting grid tray 42 passes through grid tray support 43 and supports, high temperature flue gas and quench liquid are simultaneously through same ceramic ring 41, at the inside abundant contact of ceramic ring 41, realize the further cooling of high temperature flue gas.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a high temperature flue gas quencher which characterized in that, include quencher body (1) and install in quench liquid injection subassembly (3) and cascade spray assembly (2) on quencher body (1), wherein:
the quenching device body (1) is a quenching cavity (11) with openings at two sides, the quenching liquid injection assembly (3) is installed on the quenching device body (1), and the quenching liquid is injected to the quenching cavity (11) through the side wall of the quenching device body (1);
the water curtain spraying assembly (2) is arranged along the side wall of the quencher body (1), and the water curtain spraying assembly (2) is used for spraying cooling water to the inner wall of the quenching cavity (11) to form a water curtain on the inner wall of the quenching cavity (11).
2. A high temperature flue gas quencher according to claim 1 wherein the water curtain spray assembly (2) is mounted at the flue gas inlet end (12) of the quencher body (1), and the water curtain spray assembly (2) surrounds the side wall of the quencher body (1).
3. The high-temperature flue gas quencher of claim 1, wherein the water curtain spray assembly (2) comprises a cooling water input pipeline (23), a water inlet ring cavity (21) and a water outlet ring cavity (22), the cooling water input pipeline (23) is communicated with the water inlet ring cavity (21), the water inlet ring cavity (21) surrounds the outer side of the side wall of the quencher body (1), the water outlet ring cavity (22) surrounds the inner side of the side wall of the quencher body (1), and the water inlet ring cavity (21) is communicated with the water outlet ring cavity (22).
4. The high-temperature flue gas quencher of claim 3, wherein swirl holes (24) are arranged between the water inlet ring cavity (21) and the water outlet ring cavity (22), and the swirl holes (24) are uniformly arranged.
5. The high-temperature flue gas quencher of claim 3, wherein an annular gap (14) is formed between the water outlet ring cavity (22) and the inner wall of the quencher body (1), and cooling water in the water outlet ring cavity (22) flows out through the annular gap (14) and is laid on the inner wall of the quencher body (1).
6. The high-temperature flue gas quencher of claim 3, wherein the water outlet ring cavity (22) is provided with spray holes (221), and the spray holes (221) are uniformly distributed on the water outlet ring cavity (22).
7. A high temperature flue gas quencher as claimed in claim 1 wherein said quenching liquid injection assembly (3) comprises at least one spray gun located below said water curtain spray assembly (2), said spray guns being uniformly arranged on the side wall of said quencher body (1).
8. A high temperature flue gas quencher as claimed in claim 7 wherein said lances are inclined with their liquid injection ends directed towards the flue gas outlet end (13) of the quencher body (1).
9. A high-temperature flue gas quencher as claimed in any one of claims 1-8, further comprising a filler layer (4), wherein said filler layer (4) is positioned below said quencher body (1) and faces the flue gas outlet end (13) of said quencher body (1).
10. A high temperature flue gas quencher according to claim 9 wherein said filler layer (4) is comprised of a plurality of ceramic rings (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386162.4U CN211575126U (en) | 2019-12-26 | 2019-12-26 | High-temperature flue gas quencher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386162.4U CN211575126U (en) | 2019-12-26 | 2019-12-26 | High-temperature flue gas quencher |
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| Publication Number | Publication Date |
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| CN211575126U true CN211575126U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922386162.4U Active CN211575126U (en) | 2019-12-26 | 2019-12-26 | High-temperature flue gas quencher |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902211A (en) * | 2021-01-25 | 2021-06-04 | 中国五环工程有限公司 | High-temperature high-corrosion flue gas chilling device and melting gasification system comprising same |
| CN117663173A (en) * | 2024-01-31 | 2024-03-08 | 上海超惠通风环保设备有限公司 | Air inlet structure of general heat exchange equipment |
-
2019
- 2019-12-26 CN CN201922386162.4U patent/CN211575126U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902211A (en) * | 2021-01-25 | 2021-06-04 | 中国五环工程有限公司 | High-temperature high-corrosion flue gas chilling device and melting gasification system comprising same |
| CN117663173A (en) * | 2024-01-31 | 2024-03-08 | 上海超惠通风环保设备有限公司 | Air inlet structure of general heat exchange equipment |
| CN117663173B (en) * | 2024-01-31 | 2024-04-16 | 上海超惠通风环保设备有限公司 | Air inlet structure of general heat exchange equipment |
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