CN213348222U - Steel mill is discharged fume with SOx/NOx control environment-friendly device - Google Patents
Steel mill is discharged fume with SOx/NOx control environment-friendly device Download PDFInfo
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- CN213348222U CN213348222U CN202021941121.3U CN202021941121U CN213348222U CN 213348222 U CN213348222 U CN 213348222U CN 202021941121 U CN202021941121 U CN 202021941121U CN 213348222 U CN213348222 U CN 213348222U
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Abstract
The utility model discloses a desulfurization and denitrification environmental protection device for steel plant smoke discharge, which is characterized in that a protective cover is assembled at the top of a spray tower body by designing the spray tower body; the desulfurization and denitrification environment-friendly device for smoke exhaust in a steel plant further comprises an air inlet component communicated with the spray tower body, wherein the air inlet component comprises an annular vent pipe positioned above the top of the spray tower body, and a plurality of exhaust pipes distributed annularly are communicated with the annular vent pipe downwards; the annular vent pipe is communicated with an air inlet pipe; and the air inlet end of the air inlet pipe is communicated with an external smoke exhaust pipeline through a flange. By adopting the design of the device components, the cleaning effect of the flue gas is increased, the cleanliness of the flue gas is effectively improved by the design of the device components, the guarantee is provided for subsequent desulfurization and denitration catalytic treatment, and the effects of the subsequent desulfurization and denitration catalytic treatment are increased.
Description
Technical Field
The utility model relates to an environmental protection processing apparatus field of discharging fume especially relates to a steel mill is discharged fume and is used SOx/NOx control environment-friendly device.
Background
For steel mill production, it is often necessary to subject the mineral raw materials to high temperature treatment, and the mineral raw materials subjected to high temperature treatment form metals that can be utilized.
During the high-temperature treatment of the mineral raw materials, a large amount of flue gas is easily generated, and the waste gas contains polluting gases such as sulfide and some polluting particulate impurities.
The flue gas needs to be subjected to environmental protection treatment. The more common mode is desulfurization and denitrification treatment. Among them, among the SOx/NOx control process, comparatively crucial step is wasing the flue gas, and the conventional use is the scrubbing tower at present, however, because the unable sufficient dispersion of flue gas that present scrubbing tower will emit into leads to wasing inadequately, and follow-up catalyst SOx/NOx control effect that adopts is unsatisfactory.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a steel mill is SOx/NOx control environment-friendly device for exhaust fume is provided.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a desulfurization and denitrification environment-friendly device for steel mill smoke discharge comprises a spray tower body, wherein a protective cover is assembled at the top of the spray tower body;
the desulfurization and denitrification environment-friendly device for smoke exhaust in the steel mill further comprises an air inlet component communicated with the spray tower body;
the air inlet component comprises an annular vent pipe positioned above the top of the spray tower body;
the annular vent pipe is downwards communicated with a plurality of exhaust pipes which are distributed annularly, and the exhaust pipes extend into the spray tower body;
the pipe wall of the exhaust pipe is provided with a plurality of exhaust holes;
the annular vent pipe is communicated with an air inlet pipe;
and the air inlet end of the air inlet pipe is communicated with an external smoke exhaust pipeline through a flange.
Preferably, the shape of the shield is conical;
the bottom fixedly connected with a plurality of connecting rod of protection casing, connecting rod fixed connection is at the top of spray column body.
Preferably, the bottom of the spray tower body is fixedly connected with a supporting part;
the support component comprises a support plate body fixedly connected to the bottom of the spray tower body, and a plurality of support rods distributed in an annular array are fixedly connected to the bottom of the support plate body.
Preferably, the bottom of the spray tower body is communicated with a drain pipe, and the drain pipe is communicated with an external drain pipe through a pipe flange.
Preferably, a plurality of the exhaust pipes are distributed at the bottom of the annular vent pipe in an annular array.
Preferably, the exhaust holes are distributed on the exhaust pipe in an up-and-down interval distribution mode;
the exhaust holes are annularly distributed on the exhaust pipe.
Preferably, the exhaust hole includes a rectangular portion and arc portions at upper and lower ends of the rectangular portion.
Preferably, the material of the exhaust pipe is stainless steel.
Compared with the prior art, the utility model has the following advantages:
the utility model discloses a desulfurization and denitrification environmental protection device for steel plant smoke discharge, which is characterized in that a protective cover is assembled at the top of a spray tower body by designing the spray tower body; the desulfurization and denitrification environment-friendly device for smoke exhaust in a steel plant further comprises an air inlet component communicated with the spray tower body, wherein the air inlet component comprises an annular vent pipe positioned above the top of the spray tower body, and a plurality of exhaust pipes distributed annularly are communicated with the annular vent pipe downwards; the annular vent pipe is communicated with an air inlet pipe; and the air inlet end of the air inlet pipe is communicated with an external smoke exhaust pipeline through a flange.
By adopting the design of the device components, the cleaning effect of the flue gas is increased, the cleanliness of the flue gas is effectively improved by the design of the device components, the guarantee is provided for subsequent desulfurization and denitration catalytic treatment, and the effects of the subsequent desulfurization and denitration catalytic treatment are increased.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an air inlet component in an embodiment of the present invention;
FIG. 3 is a schematic structural view of an exhaust hole in an embodiment of the present invention;
fig. 4 is a front view of the embodiment of the present invention in fig. 2;
fig. 5 is a schematic view of a distribution relationship structure of the annular vent pipe and the exhaust pipe in the embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-5, a steel mill is discharged fume with SOx/NOx control environment-friendly device, includes spray column body 1, the top of spray column body 1 is equipped with protection casing 11 (the shape of protection casing 11 is the toper, and the bottom fixedly connected with a plurality of connecting rod of protection casing 11, connecting rod fixed connection is at the top of spray column body 1).
The spray tower body 1 is a conventional spray tower disclosed in the prior art, and spray equipment such as a spray head (not shown) is arranged in the spray tower, and the spray head sprays cleaning water downwards.
The desulfurization and denitrification environment-friendly device for steel mill smoke discharge further comprises an air inlet component 3 communicated with the spray tower body 1; the gas inlet component 3 disperses the flue gas and increases the cleaning effect.
The specific structure of the air intake member 3 is as follows:
the air inlet component 3 comprises an annular vent pipe 31 positioned above the top of the spray tower body 1; the annular vent pipe 31 is communicated with a plurality of annularly distributed exhaust pipes 33 (a plurality of exhaust pipes 33 are annularly distributed at the bottom of the annular vent pipe 31), and the exhaust pipes 33 extend into the spray tower body 1; the wall of the exhaust pipe 33 is provided with a plurality of exhaust holes 331.
The shape of the discharge hole 331 is as follows:
the exhaust hole 331 includes a rectangular portion and arc portions at upper and lower ends of the rectangular portion. The exhaust holes 331 are distributed as follows:
the exhaust holes 331 are distributed on the exhaust pipe 33 at intervals up and down; the exhaust holes 331 are annularly distributed on the exhaust pipe 33.
The annular vent pipe 31 is communicated with an air inlet pipe 32; the air inlet end of the air inlet pipe 32 is communicated with an external smoke exhaust pipeline through a flange.
The annular vent pipe 31, the exhaust pipe 33 and the exhaust hole 331 which are designed in the structure form a cage-shaped smoke structure in the smoke exhaust process, the smoke density is high, and the smoke structure can be fully contacted with cleaning water. The fumes surround the exhaust pipe 33 in a cage-like structure for easy cleaning.
The bottom of the spray tower body 1 is fixedly connected with a supporting part; the support component comprises a support plate body 21 fixedly connected to the bottom of the spray tower body 1, and a plurality of support rods 22 distributed in an annular array are fixedly connected to the bottom of the support plate body 21.
In order to discharge the cleaned sewage, the bottom of the spray tower body 1 is communicated with a drain pipe 4, and the drain pipe 4 is communicated with an external drain pipe through a pipeline flange.
The exhaust pipe 33 is made of stainless steel.
The flue gas enters the annular vent pipe 31 through the air inlet pipe 32, and at the moment, the flue gas is dispersedly exhausted from the exhaust pipe 33 at the bottom of the annular vent pipe 31, and the exhaust holes 331 are distributed up and down and are distributed annularly on the exhaust pipe 33.
Therefore, the flue gas can be dispersed, and then can be abundant, effectual washing water that is sprayed washs, adopts the design of above-mentioned device part not only to increase the cleaning performance of flue gas, and above-mentioned device part design has effectively improved the cleanliness factor of flue gas, provides the guarantee for follow-up desulfurization, denitration catalytic treatment, has increased follow-up desulfurization, denitration catalytic treatment's effect.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The desulfurization and denitrification environment-friendly device for steel mill smoke discharge is characterized by comprising a spray tower body, wherein the top of the spray tower body is provided with a protective cover;
the desulfurization and denitrification environment-friendly device for smoke exhaust in the steel mill further comprises an air inlet component communicated with the spray tower body;
the air inlet component comprises an annular vent pipe positioned above the top of the spray tower body;
the annular vent pipe is downwards communicated with a plurality of exhaust pipes which are distributed annularly, and the exhaust pipes extend into the spray tower body;
the pipe wall of the exhaust pipe is provided with a plurality of exhaust holes;
the annular vent pipe is communicated with an air inlet pipe;
and the air inlet end of the air inlet pipe is communicated with an external smoke exhaust pipeline through a flange.
2. The desulfurization and denitrification environment-friendly device for smoke exhaust in a steel mill according to claim 1, wherein the protective cover is conical in shape;
the bottom fixedly connected with a plurality of connecting rod of protection casing, connecting rod fixed connection is at the top of spray column body.
3. The desulfurization and denitrification environment-friendly device for the smoke exhaust of the steel mill as claimed in claim 2, wherein a support member is fixedly connected to the bottom of the spray tower body;
the support component comprises a support plate body fixedly connected to the bottom of the spray tower body, and a plurality of support rods distributed in an annular array are fixedly connected to the bottom of the support plate body.
4. The desulfurization and denitrification environment-friendly device for the smoke exhaust of the steel mill as claimed in claim 3, wherein the bottom of the spray tower body is communicated with a drain pipe, and the drain pipe is communicated with an external drain pipe through a pipe flange.
5. The environmental protection device for desulfurization and denitrification in steel mill smoke exhaust according to claim 4, wherein a plurality of exhaust pipes are distributed at the bottom of the annular vent pipe in an annular array.
6. The desulfurization and denitrification environment-friendly device for the exhaust of the steel mill as claimed in claim 5, wherein the exhaust holes are distributed on the exhaust pipe in an up-and-down interval distribution manner;
the exhaust holes are annularly distributed on the exhaust pipe.
7. The desulfurization and denitrification environment-friendly device for smoke exhaust in a steel mill according to claim 6, wherein the exhaust holes comprise a rectangular part and arc parts positioned at the upper end and the lower end of the rectangular part.
8. The steel mill flue gas desulfurization and denitration environmental protection device according to claim 7, wherein the exhaust pipe is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021941121.3U CN213348222U (en) | 2020-09-08 | 2020-09-08 | Steel mill is discharged fume with SOx/NOx control environment-friendly device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021941121.3U CN213348222U (en) | 2020-09-08 | 2020-09-08 | Steel mill is discharged fume with SOx/NOx control environment-friendly device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213348222U true CN213348222U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021941121.3U Active CN213348222U (en) | 2020-09-08 | 2020-09-08 | Steel mill is discharged fume with SOx/NOx control environment-friendly device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213348222U (en) |
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2020
- 2020-09-08 CN CN202021941121.3U patent/CN213348222U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 225000 No. 1, Hongyuan Road, high end equipment manufacturing industrial park, Shaobo Town, Jiangdu District, Yangzhou City, Jiangsu Province Patentee after: Jiangsu Fengye Environmental Technology Group Co.,Ltd. Address before: 225000 Shaobo town Zhaoguan Jinghang village Jiangdu District Yangzhou City Jiangsu Province Patentee before: JIANGSU FENG YE TECHNOLOGY ENVIRONMENTAL PROTECTION GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |