CN218393053U - System for hydrogen fluoride in desorption smelting flue gas - Google Patents
System for hydrogen fluoride in desorption smelting flue gas Download PDFInfo
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- CN218393053U CN218393053U CN202222046939.4U CN202222046939U CN218393053U CN 218393053 U CN218393053 U CN 218393053U CN 202222046939 U CN202222046939 U CN 202222046939U CN 218393053 U CN218393053 U CN 218393053U
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- flue gas
- hydrogen fluoride
- smelting flue
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- removing hydrogen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses a system for removing hydrogen fluoride in smelting flue gas, which comprises an empty tower, wherein an air inlet is arranged at the bottom side of the empty tower, and an air outlet is arranged at the top of the empty tower; the fixed net layer is arranged in the empty tower and is positioned above the air inlet; the ceramic ring is arranged on the fixed net layer. The utility model provides a system for hydrogen fluoride in desorption smelting flue gas carries out defluorination processing through the ceramic ring in the sky tower and hydrogen fluoride emergence reaction, thereby after smelting the flue gas and getting into the sky tower from the air inlet, will upwards take place the reaction with the contact of ceramic ring, then the flue gas behind the desorption hydrogen fluoride continues upwards to get into the gas vent and discharges, adopts the utility model provides a system defluorination that hydrogen fluoride in the desorption smelting flue gas with low costs and defluorination back flue gas gets into and makes sour system can not lead to the fact the jam to the filler.
Description
Technical Field
The utility model relates to a smelt gas cleaning technical field, in particular to system for hydrogen fluoride in desorption smelting gas.
Background
In the smelting acid making flue gas, hydrofluoric acid can be contained, and the hydrofluoric acid can have certain corrosion to glass steel, carbon steel, stainless steel and porcelain ring filler of acid making equipment, and cause the acid making system equipment to run, emit, drip, leak the condition comparatively seriously, still bring great influence to production steady operation when polluting the environment. The conventional defluorination method for the smelting acid making flue gas adopts the method that water glass is added into a flue gas purification cleaning solution to achieve the purpose of removing hydrofluoric acid in the smelting flue gas, so that sulfur dioxide which is a raw material for making acid is obtained, but the defluorination technology is high in cost, the adopted water glass is generally liquid, and after the defluorinated liquid is discharged into an acid making system, the liquid water glass can block a filler (a filter substance layer for removing impurities from gas) of the acid making system to a certain extent.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, the utility model aims to provide a system for hydrogen fluoride in desorption smelting flue gas, aiming at solving the problem that the filling material of the acid making system is blocked by water glass which has high cost and is used for desorbing hydrogen fluoride in the prior art.
The utility model provides a technical scheme that technical problem adopted as follows:
in a first aspect, an embodiment of the present invention provides a system for removing hydrogen fluoride from smelting flue gas, including:
the air tower is provided with an air inlet and an air outlet;
the fixed net layer is arranged in the empty tower and is positioned between the air inlet and the air outlet;
the ceramic ring is arranged on the fixed net layer.
As a further improved technical scheme, the system for removing hydrogen fluoride in smelting flue gas further comprises:
the water pipe and the nozzle, water pipe one end runs through the empty tower lateral wall just sets up the porcelain ring top, the nozzle sets up the water pipe is located one of porcelain ring top is served, just the nozzle water spray direction orientation the porcelain ring.
As a further improved technical scheme, the system for removing the hydrogen fluoride in the smelting flue gas further comprises:
the supporting columns are arranged in a plurality, the upper ends of the supporting columns are fixedly connected with the bottom side of the fixed net layer respectively, and the lower ends of the supporting columns are fixedly connected with the inner bottom surface of the hollow tower respectively.
As a further improved technical scheme, the system for removing hydrogen fluoride in smelting flue gas further comprises:
washing storehouse, circulating pump, circulating line and connecting tube, washing storehouse one side is equipped with the intake pipe, the washing storehouse top is passed through connecting tube with the empty tower air inlet is connected, still be equipped with the water inlet on washing storehouse one side, circulating line one end with washing storehouse bottom intercommunication, the circulating line other end runs through the intake pipe lateral wall is located in the intake pipe lateral wall, just circulating line is located one of intake pipe is served and is equipped with the shower nozzle.
As a further improved technical scheme, a first valve is arranged on the circulating pipeline and is positioned between the circulating pump and the spray head.
As a further improved technical scheme, the system for removing hydrogen fluoride in smelting flue gas further comprises:
the water pipe is far away from one end of the empty tower and communicated with the water storage tank, and the second valve is arranged on the water pipe.
As a further improved technical scheme, a manhole door is further arranged on the side wall of the hollow tower and is positioned above the fixed net layer.
As a further improved technical scheme, the system for removing hydrogen fluoride in smelting flue gas further comprises:
the sewage treatment device comprises a sewage pool and a first sewage pipe, wherein one end of the first sewage pipe is communicated with the bottom of one side of the washing bin, the other end of the first sewage pipe is communicated with the sewage pool, and a third valve is arranged on the first sewage pipe.
As a further improved technical scheme, the system for removing hydrogen fluoride in smelting flue gas further comprises:
the filter box is provided with a filter screen, the two opposite ends of the filter screen are respectively connected with the top and the bottom of the filter box, a second sewage pipe and a third sewage pipe are respectively arranged on the two opposite sides of the filter box, the second sewage pipe is far away from one end of the filter box and communicated with the bottom of one side of the empty tower, and the third sewage pipe is far away from one end of the filter box and communicated with the sewage pool.
As a further improved technical scheme, the system for removing hydrogen fluoride in smelting flue gas further comprises:
retrieve storehouse and exhaust duct, exhaust duct one end with the gas vent is connected, the exhaust duct other end with retrieve the storehouse and connect.
Compared with the prior art, the embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides a system for removing hydrogen fluoride in smelting flue gas, which comprises an empty tower, wherein an air inlet and an air outlet are arranged on the empty tower; the fixed net layer is arranged in the empty tower and is positioned between the air inlet and the air outlet; the ceramic ring is arranged on the fixed net layer. The utility model provides a system of hydrogen fluoride in desorption smelting flue gas carries out defluorination processing through the porcelain ring in the empty tower and hydrogen fluoride emergence reaction, thereby after smelting the flue gas and getting into the empty tower from the air inlet, will upwards take place the reaction with the contact of porcelain ring, then the flue gas behind the desorption hydrogen fluoride continues upwards to get into the gas vent and discharges, adopts the utility model provides a system defluorination of hydrogen fluoride is with low costs and the flue gas entering system of making acid behind the defluorination can not lead to the fact the jam to the filler in the desorption smelting flue gas.
Drawings
FIG. 1 is a schematic structural diagram of a system for removing hydrogen fluoride from smelting flue gas provided by the present invention;
fig. 2 is a schematic structural view of the middle fixed mesh layer of the present invention.
In the figure: 1. an empty tower 101 and an air inlet; 102. an exhaust port; 2. fixing the net layer; 3. a porcelain ring; 4. a water pipe; 5. a nozzle; 6. a support pillar; 7. a washing bin; 8. a circulation pump; 9. a circulation pipe; 10. connecting a pipeline; 11. an air inlet pipe; 12. a water inlet; 13. a spray head; 14. a first valve; 15. a reservoir; 16. a second valve; 17. a manhole door; 18. a sewage tank; 19. a first sewage pipe; 20. a third valve; 21. a filter box; 22. filtering with a screen; 23. a second sewage pipe; 24. a third sewer pipe; 25. a recovery bin; 26. an exhaust duct.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example (b):
referring to fig. 1-2 together, the system for removing hydrogen fluoride from smelting flue gas includes: the air-conditioning system comprises an empty tower 1, wherein an air inlet 101 and an air outlet 102 are arranged on the empty tower 1; a fixed mesh layer 2, wherein the fixed mesh layer 2 is arranged in the empty tower 1, and the fixed mesh layer 2 is positioned between the air inlet 101 and the air outlet 102; and the ceramic ring 3 is arranged on the fixed net layer 2.
As shown in fig. 1-2, in this embodiment, the system for removing hydrogen fluoride from smelting flue gas includes an empty tower 1, a fixed mesh layer 2 and a ceramic ring 3, wherein a gas inlet 101 is disposed at the bottom of the left side of the empty tower 1, a gas outlet 102 is disposed at the top of the empty tower 1, the fixed mesh layer 2 is disposed in the middle of the empty tower 1, and the periphery of the fixed mesh layer 2 is fixedly connected to the inner wall of the empty tower 1, for example, the two are fixed by welding; the ceramic rings 3 are arranged on the fixed net layer 2, the ceramic rings 3 are provided with a plurality of ceramic rings 3, such as 100 ceramic rings, 200 ceramic rings, 300 ceramic rings, 8230, a plurality of ceramic rings 3 are stacked on the fixed net layer 2, and the fixed net layer 2 is a titanium wire mesh made of titanium wires. When smelting the flue gas follow air inlet 101 gets into back in the empty tower 1, the flue gas will flow up, then with empty tower 1 in the middle part ceramic ring 3 take place the contact, ceramic ring 3 piles up the multilayer, can fully react with the hydrogen fluoride in the flue gas, then the flue gas continues the upflow, follow gas vent 102 is discharged, adopts the desorption system of hydrogen fluoride in the smelting flue gas in this embodiment, takes place the defluorination through solid-like ceramic ring 3 and hydrogen fluoride for flue gas after the defluorination can not cause the jam to the filler in the system of making acid after discharging again, and uses ceramic ring 3 to defluorinate with low costs, easy operation.
As a further scheme, the system for removing hydrogen fluoride in smelting flue gas further comprises a water pipe 4 and a nozzle 5, one end of the water pipe 4 penetrates through the side wall of the hollow tower 1 and is arranged above the ceramic ring 3, the nozzle 5 is arranged at one end, above the ceramic ring 3, of the water pipe 4, and the water spraying direction of the nozzle 5 faces towards the ceramic ring 3. Specifically, the left end of the water pipe 4 penetrates through the right side of the hollow tower 1 and is arranged above the porcelain ring 3, the left end of the water pipe 4 is further provided with a plurality of nozzles 5, the plurality of nozzles 5 are uniformly distributed at the left end of the water pipe 4 at intervals, and the water spraying direction of the plurality of nozzles 5 faces the porcelain ring 3; after the ceramic ring 3 reacts with the hydrogen fluoride in the flue gas, a layer of reacted substances is left on the surface layer to form a film, so that in the embodiment, the nozzle 5 is used for washing the surface layer of the ceramic ring 3, the film on the surface of the ceramic ring 3 falls off, and the next defluorination of the flue gas by the ceramic ring 3 is not hindered.
As a further scheme, the system for removing hydrogen fluoride from smelting flue gas further comprises a plurality of supporting columns 6, the supporting columns 6 are provided, the upper ends of the supporting columns 6 are respectively and fixedly connected with the bottom side of the fixed net layer 2, and the lower ends of the supporting columns 6 are respectively and fixedly connected with the inner bottom surface of the empty tower 1. The supporting columns 6 are used for fixing and supporting the fixed net layer 2.
In this embodiment, among the system of hydrogen fluoride in desorption smelting flue gas, still include washing storehouse 7, circulating pump 8, circulating line 9 and connecting tube 10, washing storehouse 7 one side is equipped with intake pipe 11, washing storehouse 7 top is passed through connecting tube 10 with empty tower 1 air inlet 101 is connected, still be equipped with water inlet 12 on washing storehouse 7 one side, circulating line 9 one end with washing storehouse 7 bottom intercommunication, the circulating line 9 other end runs through intake pipe 11 lateral wall and is located in the intake pipe 11 lateral wall, just circulating line 9 is located one of intake pipe 11 is served and is equipped with shower nozzle 13. A first valve 14 is arranged on the circulating pipeline 9, and the first valve 14 is positioned between the circulating pump 8 and the spray head 13. Specifically, a water inlet 12 is arranged on the right side of the washing bin 7, water can be injected into the washing bin 7 through the water inlet 12, then the first valve 14 and the circulating pump 8 are opened, the circulating pump 8 continuously pumps water and enters the circulating pipeline 9, then the spray head 13 sprays water on the smelting flue gas in the air inlet pipe 11, dust in the flue gas is mixed with water, part of gas in the flue gas is mixed into the water, the other part of gas in the flue gas enters the empty tower 1 through the connecting pipeline 10 for defluorination treatment, the circulating pump 8 and the first valve 14 are closed after a period of time, and at the moment, the water in the washing bin 7 becomes sewage.
As a further scheme, the system for removing hydrogen fluoride from smelting flue gas further comprises a water reservoir 15 and a second valve 16, wherein one end of the water pipe, which is far away from the empty tower 1, is communicated with the water reservoir 15, and the second valve 16 is arranged on the water pipe 4. The side wall of the hollow tower 1 is also provided with a manhole door 17, and the manhole door 17 is positioned above the fixed net layer 2. When porcelain ring 3 in the cavity tower 1 needs to be washed, open second valve 16, the water in cistern 15 passes through water pipe 4 and nozzle 5 are right porcelain ring 3 washes, and porcelain ring 3 becomes long along with the time of using, will constantly dwindle until using up, opens this moment manhole door 17, and the staff passes through manhole door 17 gets into and increases new porcelain ring 3 in the cavity tower 1.
As a further scheme, the system for removing hydrogen fluoride from smelting flue gas further comprises a sewage tank 18 and a first sewage pipe 19, one end of the first sewage pipe 19 is communicated with the bottom of one side of the washing bin 7, the other end of the first sewage pipe 19 is communicated with the sewage tank 18, and a third valve 20 is arranged on the first sewage pipe 19. Specifically, when it is desired to discharge the sewage in the washing chamber 7, the third valve 20 is opened, and the sewage enters the sewage tank 18 from the bottom of the washing chamber 7 through the first sewage pipe 19.
In this embodiment, in the system for removing hydrogen fluoride from smelting flue gas, the system further comprises a filter box 21, a filter screen 22 is arranged in the filter box 21, two opposite ends of the filter screen 22 are respectively connected with the top and the bottom of the filter box 21, a second sewage pipe 23 and a third sewage pipe 24 are respectively arranged on two opposite sides of the filter box 21, one end of the second sewage pipe 23, which is far away from the filter box 21, is communicated with the bottom of one side of the hollow tower 1, and one end of the third sewage pipe 24, which is far away from the filter box 21, is communicated with the sewage tank 18. Specifically, the upper end of the filter screen 22 is fixedly connected with a vertex angle at the top of the left side of the filter box 21, the lower end of the filter screen 22 is fixedly connected with a vertex angle at the bottom of the right side of the filter box 21, the left end of the second sewage pipe 23 is connected with the right side of the filter screen 22, the right end of the second sewage pipe 23 is connected with the bottom of the left side of the empty tower 1, the top end of the third sewage pipe 24 is connected with the bottom side of the filter box 21, the bottom end of the third sewage pipe 24 is connected with the sewage tank 18, and when the porcelain ring 3 is washed by water, sediment is mixed into the water, so that the water at the bottom of the empty tower 1 is filtered by the filter screen 22 in the process of discharging to the sewage tank 18, and the sediment is stored in the filter box 21.
As a further scheme, the system for removing hydrogen fluoride from smelting flue gas further comprises a recovery bin 25 and an exhaust pipeline 26, wherein one end of the exhaust pipeline 26 is connected with the exhaust port 102, and the other end of the exhaust pipeline 26 is connected with the recovery bin 25. The recovery bin 25 is used for recovering the defluorinated flue gas, and the flue gas is discharged into an acid making system after being collected by a certain amount and can be recycled.
To sum up, the embodiment of the utility model provides a system for removing hydrogen fluoride in smelting flue gas, which comprises an empty tower 1, wherein the empty tower 1 is provided with an air inlet 101 and an air outlet 102; a fixed mesh layer 2, wherein the fixed mesh layer 2 is arranged in the empty tower 1, and the fixed mesh layer 2 is positioned between the air inlet 101 and the air outlet 102; and the ceramic ring 3 is arranged on the fixed net layer 2. The utility model provides a system of hydrogen fluoride in desorption smelting flue gas carries out defluorination processing through porcelain ring 3 and hydrogen fluoride emergence reaction in the sky tower 1, thereby after smelting the flue gas and getting into the sky tower 1 from air inlet 101, will upwards take place the reaction with the contact of porcelain ring 3, then the flue gas behind the desorption hydrogen fluoride continues upwards to get into gas vent 102 and discharges, adopts the utility model provides a system defluorination of hydrogen fluoride is with low costs and after the defluorination flue gas gets into the system of making acid system and can not lead to the fact the jam to the filler in the desorption smelting flue gas.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (10)
1. A system for removing hydrogen fluoride in smelting flue gas is characterized by comprising:
the air tower is provided with an air inlet and an air outlet;
the fixed net layer is arranged in the empty tower and is positioned between the air inlet and the air outlet;
the ceramic ring is arranged on the fixed net layer.
2. The system for removing hydrogen fluoride from smelting flue gas according to claim 1, further comprising:
the water pipe and the nozzle, water pipe one end runs through the empty tower lateral wall just sets up the porcelain ring top, the nozzle sets up the water pipe is located one of porcelain ring top is served, just the nozzle water spray direction orientation the porcelain ring.
3. The system for removing hydrogen fluoride from smelting flue gas according to claim 1, further comprising:
the supporting columns are arranged in a plurality, the upper ends of the supporting columns are fixedly connected with the bottom side of the fixed net layer respectively, and the lower ends of the supporting columns are fixedly connected with the inner bottom surface of the hollow tower respectively.
4. The system for removing hydrogen fluoride from smelting flue gas according to claim 1, further comprising:
washing storehouse, circulating pump, circulating line and connecting tube, washing storehouse one side is equipped with the intake pipe, the washing storehouse top is passed through connecting tube with the empty tower air inlet is connected, still be equipped with the water inlet on washing storehouse one side, circulating line one end with washing storehouse bottom intercommunication, the circulating line other end runs through the intake pipe lateral wall is located in the intake pipe lateral wall, just circulating line is located one of intake pipe is served and is equipped with the shower nozzle.
5. The system for removing hydrogen fluoride from smelting flue gas according to claim 4, wherein a first valve is arranged on the circulating pipeline, and the first valve is positioned between the circulating pump and the spray head.
6. The system for removing hydrogen fluoride from smelting flue gas according to claim 2, further comprising:
the water pipe is far away from one end of the empty tower and communicated with the water storage tank, and the second valve is arranged on the water pipe.
7. The system for removing hydrogen fluoride from smelting flue gas according to claim 1, wherein a manhole door is further arranged on the side wall of the empty tower, and the manhole door is positioned above the fixed mesh layer.
8. The system for removing hydrogen fluoride from smelting flue gas according to claim 4, further comprising:
the sewage treatment device comprises a sewage pool and a first sewage pipe, wherein one end of the first sewage pipe is communicated with the bottom of one side of the washing bin, the other end of the first sewage pipe is communicated with the sewage pool, and a third valve is arranged on the first sewage pipe.
9. The system for removing hydrogen fluoride from smelting flue gas according to claim 8, further comprising:
the filter box is provided with a filter screen, the two opposite ends of the filter screen are respectively connected with the top and the bottom of the filter box, a second sewage pipe and a third sewage pipe are respectively arranged on the two opposite sides of the filter box, the second sewage pipe is far away from one end of the filter box and communicated with the bottom of one side of the empty tower, and the third sewage pipe is far away from one end of the filter box and communicated with the sewage pool.
10. The system for removing hydrogen fluoride from smelting flue gas according to claim 1, further comprising:
retrieve storehouse and exhaust duct, exhaust duct one end with the gas vent is connected, the exhaust duct other end with retrieve the storehouse and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046939.4U CN218393053U (en) | 2022-08-03 | 2022-08-03 | System for hydrogen fluoride in desorption smelting flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046939.4U CN218393053U (en) | 2022-08-03 | 2022-08-03 | System for hydrogen fluoride in desorption smelting flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218393053U true CN218393053U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222046939.4U Active CN218393053U (en) | 2022-08-03 | 2022-08-03 | System for hydrogen fluoride in desorption smelting flue gas |
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| Country | Link |
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| CN (1) | CN218393053U (en) |
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- 2022-08-03 CN CN202222046939.4U patent/CN218393053U/en active Active
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