CN211328861U - Spray type tail gas absorption tower - Google Patents
Spray type tail gas absorption tower Download PDFInfo
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- CN211328861U CN211328861U CN201921154782.9U CN201921154782U CN211328861U CN 211328861 U CN211328861 U CN 211328861U CN 201921154782 U CN201921154782 U CN 201921154782U CN 211328861 U CN211328861 U CN 211328861U
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Abstract
The utility model relates to the technical field of chemical equipment, in particular to a spray-type tail gas absorption tower, which comprises an acid-base neutralization chamber, a purification chamber and a monitoring chamber which are communicated with each other from bottom to top; the utility model provides a tail gas absorption tower has overcome most absorption towers now and has only been through the processing absorption of acid mist filter, handles not thorough shortcoming, because be provided with multilayer filter layer and shower, can effectively filter and cool down to inside tail gas comprehensively, and be provided with air detector and tail gas circulating pipe, can circulate to the tail gas not up to standard and purify, accord with energy saving and emission reduction's production theory.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to fountain tail gas absorption tower.
Background
In recent years, the environmental protection problem in China is increasingly prominent, and in order to achieve sustainable development and improve the environment, the country also carries out strict checks on the waste gas and waste water discharge of enterprises, so that some enterprise factories pay more attention to the environmental protection.
In order to realize emission reduction, the rate of China is limited in the high-pollution and high-emission industries, wherein the industries include the sulfuric acid manufacturing industry, although the sulfuric acid manufacturing industry is treated and absorbed by an original acid mist filter, the tail gas emitted by the sulfuric acid manufacturing industry still cannot reach the standard through detection, harmful gas sulfur dioxide still exists in the tail gas, the emission of the tail gas not only causes pollution to the surrounding environment, but also threatens the health of post operators and residents in the places. Aiming at the problems, the novel design is carried out on the basis of the original tail gas absorption tower.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: the spraying type tail gas absorption tower is more thorough in tail gas treatment and can circularly purify tail gas which does not reach the standard.
In order to solve the technical problem, the utility model discloses a technical scheme be: a spray-type tail gas absorption tower comprises an acid-base neutralization chamber, a purification chamber and a monitoring chamber which are communicated with each other from bottom to top;
the outer wall of the acid-base neutralization chamber is provided with a jacket, frozen brine is arranged in the jacket, the lower part of the acid-base neutralization chamber is provided with an air inlet and a liquid outlet, a baffle is arranged right above the air inlet, the upper part of the acid-base neutralization chamber is provided with a spray pipe, and the spray pipe is connected to an acid-base neutralization liquid tank through a pipeline and a water pump;
a drying agent filter layer, a ceramic pall ring, an active carbon filter layer, a cold catalyst filter layer and an HEPA filter layer are arranged in the inner cavity of the purifying chamber from bottom to top, and fans are arranged between the drying agent filter layer and the ceramic pall ring and between the active carbon filter layer and the cold catalyst filter layer;
the top of monitoring room is equipped with the gas outlet, be equipped with first valve on the gas outlet, the monitoring room passes through tail gas circulating pipe and acid-base neutralization chamber intercommunication, be equipped with the second valve on the tail gas circulating pipe, be equipped with air detector and alarm in the monitoring room, air detector is used for detecting whether up to standard of quality of monitoring room air, whether up to standard of air in the suggestion operating personnel monitoring room is used for.
The acid-base neutralization chamber is characterized in that a heat exchange liquid inlet is formed in the lower portion of the acid-base neutralization chamber, a heat exchange liquid outlet is formed in the upper portion of the acid-base neutralization chamber, a heat exchange pipeline is arranged between the heat exchange liquid inlet and the heat exchange liquid outlet, and the heat exchange pipelines are spirally distributed in an inner cavity of the acid-base neutralization chamber.
Wherein, the acid-base neutralization chamber, the purification chamber and the monitoring chamber are all provided with observation windows.
Wherein, a plurality of all be provided with defogging device on the observation window.
The tail gas absorption tower is further provided with an auxiliary ladder, and two ends of the auxiliary ladder are respectively connected with the outer wall of the acid-base neutralization chamber and the outer wall of the monitoring chamber.
The spraying pipe is a ceramic pipe with one closed end, a plurality of spraying holes are formed in the ceramic pipe, and the spraying holes are distributed linearly along the axial direction of the ceramic pipe.
Wherein, the outer surface of the ceramic tube is coated with a polytetrafluoroethylene lining.
The tail gas absorption tower is cylindrical, and the diameter of the tail gas absorption tower is 3-5 m.
Wherein the height of the air outlet is more than or equal to 20 m.
The beneficial effects of the utility model reside in that: the utility model provides a tail gas absorption tower has overcome most absorption towers now and has only been through the processing absorption of acid mist filter, handles not thorough shortcoming, because be provided with multilayer filter layer and shower, can effectively filter and cool down to inside tail gas comprehensively, and be provided with air detector and tail gas circulating pipe, can circulate to the tail gas not up to standard and purify, accord with energy saving and emission reduction's production theory.
Drawings
Fig. 1 is a schematic structural view of a spray-type tail gas absorption tower according to an embodiment of the present invention;
fig. 2 is a sectional view of a spray pipe of the spray type tail gas absorption tower according to the embodiment of the present invention;
description of reference numerals:
1. an acid-base neutralization chamber; 11. a jacket; 12. an air inlet; 121. a baffle plate; 13. a liquid outlet; 14. a shower pipe; 141. spraying holes; 15. an acid-base neutralization liquid tank;
2. a clean room; 21. a desiccant filter layer; 22. a ceramic pall ring; 23. an activated carbon filter layer;
3. 24, a cold catalyst filter layer; 25. a HEPA filter layer; 26. a fan;
4. a monitoring room; 31. an air outlet; 311. a first valve; 32. a tail gas circulation pipe; 321. a second valve.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: be provided with multilayer filter layer and shower, can effectively filter and cool down inside tail gas comprehensively, and be provided with air detector and tail gas circulating pipe, can circulate purification to the tail gas that does not reach standard.
Referring to fig. 1 and 2, a spray-type tail gas absorption tower of the present invention includes an acid-base neutralization chamber 1, a purification chamber 2 and a monitoring chamber 3, which are communicated with each other from bottom to top;
the outer wall of the acid-base neutralization chamber 1 is provided with a jacket 11, frozen brine is arranged in the jacket 11, the lower part of the acid-base neutralization chamber 1 is provided with an air inlet 12 and a liquid outlet 13, a baffle 121 is arranged right above the air inlet 12, the upper part of the acid-base neutralization chamber 1 is provided with a spray pipe 14, and the spray pipe 14 is connected to an acid-base neutralization liquid tank 15 through a pipeline and a water pump;
a drying agent filter layer 21, a ceramic pall ring 22, an active carbon filter layer 23, a cold catalyst filter layer 24 and an HEPA filter layer 25 are arranged in the inner cavity of the purifying chamber 2 from bottom to top, and fans 26 are arranged between the drying agent filter layer 21 and the ceramic pall ring 22 and between the active carbon filter layer 23 and the cold catalyst filter layer 24;
the top of monitoring room 3 is equipped with gas outlet 31, be equipped with first valve 311 on the gas outlet 31, monitoring room 3 passes through tail gas circulating pipe 32 and acid-base neutralization chamber 1 intercommunication, be equipped with second valve 321 on the tail gas circulating pipe 32, be equipped with air detector and alarm in the monitoring room 3, air detector is used for detecting whether up to standard the quality of monitoring indoor 3 interior air, the alarm is used for reminding whether up to standard the air of operating personnel monitoring indoor 3.
The working principle of the spray type tail gas absorption tower is as follows: tail gas enters an acid-base neutralization chamber 1 of the tail gas absorption tower from a gas inlet 12, a spraying pipe 14 arranged at the upper part of the tail gas sprays acid-base neutralization liquid into the acid-base neutralization chamber 1 to absorb sulfuric acid and sulfur dioxide in the tail gas, and a baffle 121 is arranged right above the gas inlet 12 and used for preventing the acid-base neutralization liquid from entering the gas inlet 12; meanwhile, the temperature of the tail gas is rapidly reduced by the frozen brine in the jacket 11, the sprayed tail gas enters the purifying chamber 2 and is dried by the drying agent filtering layer 21, the dried tail gas completely absorbs toluene chloride and hydrogen chloride gas in the tail gas through the ceramic pall ring 22, and the tail gas treated by the ceramic pall ring 22 absorbs suspended matters in the tail gas through the activated carbon filtering layer 23; then harmful gases such as formaldehyde, benzene and the like in the tail gas can be removed through the cold catalyst filter layer 24; finally, micron suspended particles can be absorbed through the HEPA filter layer 25, and the fan 26 is used for improving the filtering speed and avoiding tail gas retention among the filter layers; the tail gas enters the monitoring chamber 3 after being treated by the HEPA filter layer 25, when the air detector detects that the quality of the tail gas does not meet the standard, the alarm reminds an operator to open the second switch valve, and the tail gas enters the acid-base neutralization chamber 1 through the tail gas circulating pipe 32 for retreatment; when the air detector detects that the quality of the tail gas meets the standard, the operator opens the first switch valve, so that the treated tail gas is discharged through the gas outlet 31.
As can be seen from the above description, the utility model has the advantages that: the utility model provides a tail gas absorption tower has overcome most absorption towers now and has only been through the processing absorption of acid mist filter, handles not thorough shortcoming, because be provided with multilayer filter layer and shower, can effectively filter and cool down to inside tail gas comprehensively, and be provided with air detector and tail gas circulating pipe, can circulate to the tail gas not up to standard and purify, accord with energy saving and emission reduction's production theory.
Further, the lower part of the acid-base neutralization chamber 1 is provided with a heat exchange liquid inlet, the upper part of the acid-base neutralization chamber 1 is provided with a heat exchange liquid outlet, a heat exchange pipeline is arranged between the heat exchange liquid inlet and the heat exchange liquid outlet, and the heat exchange pipeline is spirally distributed in the inner cavity of the acid-base neutralization chamber 1.
According to the above description, through the arrangement of the heat exchange pipeline, the circulating cooling liquid can be introduced into the heat exchange pipeline to further cool the tail gas, so that the temperature of the high-temperature tail gas is reduced to be below a safety value.
Further, the acid-base neutralization chamber 1, the purification chamber 2 and the monitoring chamber 3 are all provided with observation windows.
Furthermore, a plurality of observation windows are provided with defogging devices.
As can be seen from the above description, through the setting of defogging device, guaranteed that operating personnel can observe the inside condition of tail gas absorption tower through the observation window fact.
Furthermore, the tail gas absorption tower is also provided with an auxiliary ladder, and the two ends of the auxiliary ladder are respectively connected with the outer wall of the acid-base neutralization chamber 1 and the outer wall of the monitoring chamber 3.
As can be seen from the above description, through the setting of supplementary ladder, the operating personnel of being convenient for observes the inside of tail gas absorption tower.
Further, the spray pipe 14 is a ceramic pipe with a closed end, the ceramic pipe is provided with a plurality of spray holes 141, and the plurality of spray holes 141 are linearly distributed along the axial direction of the ceramic pipe.
As can be seen from the above description, the spray pipe is not used in the traditional spray pipe with spray heads, and the spray holes are directly arranged on the spray pipe, so that the problem of frequent maintenance caused by blockage of the spray heads is avoided.
Furthermore, the outer surface of the ceramic tube is coated with a polytetrafluoroethylene lining.
From the above description, it can be known that the polytetrafluoroethylene lining layer is coated outside the spray pipe, so that the spray pipe can be better protected from the corrosion of acidic substances in the tail gas, and the service life of the spray pipe is prolonged.
Furthermore, the tail gas absorption tower is cylindrical, and the diameter of the tail gas absorption tower is 3-5 m.
As can be seen from the above description, since the diameter of the tail gas absorption tower is 3-5m, the diameter of the tower body is increased, the flow velocity of the tail gas entering the tower body can be reduced, and the tail gas absorption tower is helpful for absorbing heat energy released by the high-temperature tail gas.
Further, the height of the air outlet 31 is greater than or equal to 20 m.
As can be seen from the above description, the height of the air outlet is set to meet the standard that the exhaust emission height is more than 20 meters away from the ground.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is:
a spray-type tail gas absorption tower comprises an acid-base neutralization chamber 1, a purification chamber 2 and a monitoring chamber 3 which are communicated from bottom to top;
the outer wall of the acid-base neutralization chamber 1 is provided with a jacket 11, frozen brine is arranged in the jacket 11, the lower part of the acid-base neutralization chamber 1 is provided with an air inlet 12 and a liquid outlet 13, a baffle 121 is arranged right above the air inlet 12, the upper part of the acid-base neutralization chamber 1 is provided with a spray pipe 14, and the spray pipe 14 is connected to an acid-base neutralization liquid tank 15 through a pipeline and a water pump;
a drying agent filter layer 21, a ceramic pall ring 22, an active carbon filter layer 23, a cold catalyst filter layer 24 and an HEPA filter layer 25 are arranged in the inner cavity of the purifying chamber 2 from bottom to top, and fans 26 are arranged between the drying agent filter layer 21 and the ceramic pall ring 22 and between the active carbon filter layer 23 and the cold catalyst filter layer 24;
the top of the monitoring chamber 3 is provided with an air outlet 31, the air outlet 31 is provided with a first valve 311, the monitoring chamber 3 is communicated with the acid-base neutralization chamber 1 through a tail gas circulating pipe 32, the tail gas circulating pipe 32 is provided with a second valve 321, the monitoring chamber 3 is internally provided with an air detector and an alarm, the air detector is used for detecting whether the quality of the air in the monitoring chamber 3 reaches the standard, and the alarm is used for prompting an operator whether the air in the monitoring chamber 3 reaches the standard;
the lower part of the acid-base neutralization chamber 1 is provided with a heat exchange liquid inlet, the upper part of the acid-base neutralization chamber 1 is provided with a heat exchange liquid outlet, a heat exchange pipeline is arranged between the heat exchange liquid inlet and the heat exchange liquid outlet, and the heat exchange pipeline is spirally distributed in the inner cavity of the acid-base neutralization chamber 1;
the acid-base neutralization chamber 1, the purification chamber 2 and the monitoring chamber 3 are all provided with observation windows;
a plurality of observation windows are all provided with a defogging device;
the tail gas absorption tower is also provided with an auxiliary ladder, and two ends of the auxiliary ladder are respectively connected with the outer wall of the acid-base neutralization chamber 1 and the outer wall of the monitoring chamber 3;
the spray pipe 14 is a ceramic pipe with a closed end, a plurality of spray holes 141 are arranged on the ceramic pipe, and the plurality of spray holes 141 are linearly distributed along the axial direction of the ceramic pipe;
the outer surface of the ceramic tube is coated with a polytetrafluoroethylene lining;
the tail gas absorption tower is cylindrical, and the diameter of the tail gas absorption tower is 3-5 m;
the height of the air outlet 31 is more than or equal to 20 m.
To sum up, the utility model provides a tail gas absorption tower has overcome most absorption towers that have now and has only carried out the processing absorption through the acid mist filter, handles not thorough shortcoming, because be provided with multilayer filter layer and shower, can effectively filter and cool down inside tail gas comprehensively, and is provided with air detector and tail gas circulating pipe, can circulate the purification to tail gas not up to standard, accords with energy saving and emission reduction's production theory;
through the arrangement of the heat exchange pipeline, circulating cooling liquid can be introduced into the heat exchange pipeline to further cool the tail gas, so that the temperature of the high-temperature tail gas is reduced to be below a safety value;
due to the arrangement of the defogging device, an operator can observe the internal condition of the tail gas absorption tower through the observation window;
due to the arrangement of the auxiliary ladder, an operator can conveniently observe the interior of the tail gas absorption tower;
the spray pipe is not used for the traditional spray pipe with a spray head, and the spray hole is directly arranged on the spray pipe, so that the problem of frequent maintenance caused by blockage of the spray head is avoided;
the polytetrafluoroethylene lining is coated outside the spray pipe, so that the spray pipe can be better protected from being corroded by acidic substances in tail gas, and the service life of the spray pipe is prolonged;
the diameter of the tail gas absorption tower is 3-5m, so that the diameter of the tower body is increased, the flow velocity of the tail gas entering the tower body can be reduced, and the tail gas absorption tower is further beneficial to absorbing heat energy released by the high-temperature tail gas;
the height of the air outlet is set to meet the standard that the exhaust emission height is more than 20 meters away from the ground.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (8)
1. A spray-type tail gas absorption tower is characterized by comprising an acid-base neutralization chamber, a purification chamber and a monitoring chamber which are communicated with each other from bottom to top;
the acid-base neutralization chamber is characterized in that a jacket is arranged on the outer wall of the acid-base neutralization chamber, frozen brine is arranged in the jacket, an air inlet and a liquid outlet are arranged at the lower part of the acid-base neutralization chamber, a baffle is arranged right above the air inlet, a spray pipe is arranged at the upper part of the acid-base neutralization chamber, the spray pipe is connected to an acid-base neutralization liquid tank through a pipeline and a water pump, a heat exchange liquid inlet is arranged at the lower part of the acid-base neutralization chamber, a heat exchange liquid outlet is arranged at the upper part of the acid-base neutralization chamber, a heat exchange pipeline is arranged between the heat exchange liquid inlet and the heat exchange liquid outlet, and the heat exchange pipeline;
a drying agent filter layer, a ceramic pall ring, an active carbon filter layer, a cold catalyst filter layer and an HEPA filter layer are arranged in the inner cavity of the purifying chamber from bottom to top, and fans are arranged between the drying agent filter layer and the ceramic pall ring and between the active carbon filter layer and the cold catalyst filter layer;
the top of monitoring room is equipped with the gas outlet, be equipped with first valve on the gas outlet, the monitoring room passes through tail gas circulating pipe and acid-base neutralization chamber intercommunication, be equipped with the second valve on the tail gas circulating pipe, be equipped with air detector and alarm in the monitoring room, air detector is used for detecting whether up to standard of quality of monitoring room air, whether up to standard of air in the suggestion operating personnel monitoring room is used for.
2. The spray-type tail gas absorption tower according to claim 1, wherein the acid-base neutralization chamber, the purification chamber and the monitoring chamber are provided with observation windows.
3. The spray-type tail gas absorption tower of claim 2, wherein a plurality of the observation windows are provided with a defogging device.
4. The spray-type tail gas absorption tower of claim 1, further comprising an auxiliary ladder, wherein two ends of the auxiliary ladder are respectively connected to the outer wall of the acid-base neutralization chamber and the outer wall of the monitoring chamber.
5. The spray-type tail gas absorption tower according to claim 1, wherein the spray pipe is a ceramic pipe with one closed end, and a plurality of spray holes are formed in the ceramic pipe and are linearly distributed along the axial direction of the ceramic pipe.
6. The spray-type exhaust gas absorption tower according to claim 5, wherein the outer surface of the ceramic tube is coated with a polytetrafluoroethylene lining.
7. The spray type tail gas absorption tower of claim 1, wherein the tail gas absorption tower is cylindrical, and the diameter of the tail gas absorption tower is 3-5 m.
8. The spray type tail gas absorption tower of claim 1, wherein the height of the gas outlet is greater than or equal to 20 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921154782.9U CN211328861U (en) | 2019-07-22 | 2019-07-22 | Spray type tail gas absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921154782.9U CN211328861U (en) | 2019-07-22 | 2019-07-22 | Spray type tail gas absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211328861U true CN211328861U (en) | 2020-08-25 |
Family
ID=72104046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921154782.9U Active CN211328861U (en) | 2019-07-22 | 2019-07-22 | Spray type tail gas absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211328861U (en) |
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2019
- 2019-07-22 CN CN201921154782.9U patent/CN211328861U/en active Active
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