CN219815801U - Sulfur trioxide flue gas absorption tower - Google Patents
Sulfur trioxide flue gas absorption tower Download PDFInfo
- Publication number
- CN219815801U CN219815801U CN202320968047.1U CN202320968047U CN219815801U CN 219815801 U CN219815801 U CN 219815801U CN 202320968047 U CN202320968047 U CN 202320968047U CN 219815801 U CN219815801 U CN 219815801U
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- CN
- China
- Prior art keywords
- absorption tower
- tower body
- sulfur trioxide
- flue gas
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 74
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000003546 flue gas Substances 0.000 title claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 19
- 239000006096 absorbing agent Substances 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 13
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- -1 preferably Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a sulfur trioxide flue gas absorption tower, and belongs to the field of sulfur trioxide absorption towers. Sulfur trioxide flue gas absorber comprising: absorption tower body still includes: the air inlet pipe is arranged at one side of the absorption tower body; the exhaust pipe is arranged on the upper side of the absorption tower body; the drain pipe is arranged at the bottom of the absorption tower body; the spray assembly is arranged in the absorption tower body; the impeller box is fixed in the absorption tower body, and the air inlet pipe is fixedly connected with the input end of the impeller box; the first rotating shaft is hermetically rotated in the impeller box; the impeller set is fixed on the first rotating shaft and is matched with the impeller box; according to the utility model, the spraying amount of the concentrated sulfuric acid is changed according to the treatment amount of the flue gas, so that the absorption effect of sulfur trioxide is effectively improved.
Description
Technical Field
The utility model relates to the technical field of sulfur trioxide absorption towers, in particular to a sulfur trioxide flue gas absorption tower.
Background
Sulfur trioxide is an oxide of sulfur, has smell similar to sulfur dioxide, and is dissolved in water to react into sulfuric acid, and the gas form of the sulfur trioxide is a serious pollutant, which is one of main sources for forming acid rain, but the sulfur trioxide is generally absorbed by high-concentration sulfuric acid when being absorbed, the sulfur trioxide in flue gas is generally absorbed by a sulfur trioxide absorption tower, and the absorption mode is to spray the high-concentration sulfuric acid.
At present, the sulfur trioxide flue gas absorption tower directly passes through external flue gas to the inlet end of absorption tower, then sprays out concentrated sulfuric acid through sprinkler and absorbs, and a small amount of water in the concentrated sulfuric acid reacts with sulfur trioxide, but sprinkler sprays the volume, and the discharge of flue gas is probably changeable to probably lead to sprinkler spun concentrated sulfuric acid volume not enough, and then probably can influence the absorption efficiency to sulfur trioxide.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a sulfur trioxide flue gas absorber which can overcome the problems or at least partially solve the problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
sulfur trioxide flue gas absorber comprising: absorption tower body still includes: the air inlet pipe is arranged at one side of the absorption tower body; the exhaust pipe is arranged on the upper side of the absorption tower body; the drain pipe is arranged at the bottom of the absorption tower body; the spray assembly is arranged in the absorption tower body; the impeller box is fixed in the absorption tower body, and the air inlet pipe is fixedly connected with the input end of the impeller box; the first rotating shaft is hermetically rotated in the impeller box; the impeller set is fixed on the first rotating shaft and is matched with the impeller box; the exhaust port is arranged at the output end of the impeller box; the sleeve is fixed at one end of the first rotating shaft; the sliding rod slides in the sleeve; the spring is fixed between the sliding rod and the sleeve; the sliding rheostat is fixed on the sliding rod and matched with the spraying assembly; and the connecting rod is fixed on the sleeve, and a conducting strip matched with the slide rheostat is fixedly connected to the connecting rod.
In order to spray concentrated sulfuric acid, preferably, spray the subassembly including fixing the water pump on the absorption tower body, the output fixedly connected with spray tube of water pump, just spray tube sets up in the absorption tower body, the input fixedly connected with drainage pipe of water pump, slide rheostat and water pump phase-match.
In order to liquefy the sulfur trioxide, preferably, one side of the absorption tower body is fixedly connected with a refrigerator, a coiled pipe is fixedly connected in the absorption tower body, one end of the coiled pipe is fixedly connected with the output end of the refrigerator, and the input end of the refrigerator is fixedly connected with the far end of the coiled pipe.
In order to enable the concentrated sulfuric acid to fully absorb the sulfur trioxide, preferably, the absorption tower body is internally symmetrically provided with fixed plates, and a plurality of groups of ventilation holes which are arranged at equal intervals are arranged on the fixed plates.
In order to make the upward drifting of the sulfur trioxide gas more uniform, preferably, the absorption tower body is internally and symmetrically rotated with a second rotating shaft, the second rotating shaft is fixedly connected with the fixed plate, and a torsion spring is arranged between the second rotating shaft and the absorption tower body.
In order to prevent the sulfur trioxide gas from overflowing from the drain pipe, a pressure release valve is preferably arranged in the drain pipe.
Compared with the prior art, the utility model provides the sulfur trioxide flue gas absorption tower, which has the following beneficial effects:
1. this sulfur trioxide flue gas absorption tower, gas enters into the impeller case through the intake pipe, then discharge through the gas vent, drive first pivot rotation with impeller group cooperatees, first pivot drives the sleeve and rotates, slide bar roll-off under the effect of centrifugal force, at this moment, slide rheostat and conducting strip's contact position are different, through slide rheostat control water pump's efficiency of drawing water, the more gas in the intake pipe is entered, then first pivot pivoted speed is higher, slide bar roll-off distance is longer more, slide rheostat control water pump's output is bigger this moment, thereby spout abundant concentrated sulfuric acid absorption sulfur trioxide, and then the absorption effect to sulfur trioxide has been improved effectively.
2. This sulfur trioxide flue gas absorption tower makes the air conditioning through the continuous circulation of refrigerator, makes the temperature of coiled pipe reduce, and after sulfur trioxide and coiled pipe outer wall contact, cooling down rapidly, and part sulfur trioxide directly becomes liquid recovery to the absorption efficiency to sulfur trioxide has been improved effectively.
3. This sulfur trioxide flue gas absorption tower, sulfur trioxide gas upwards flows through ventilative mouthful, makes its contact more even with concentrated sulfuric acid, and remaining concentrated sulfuric acid can be to the absorption of partial sulfur trioxide on the fixed plate to the absorption efficiency to sulfur trioxide has been improved effectively.
The utility model changes the spraying amount of the concentrated sulfuric acid according to the treatment amount of the flue gas, thereby effectively improving the absorption effect of sulfur trioxide.
Drawings
FIG. 1 is a schematic cross-sectional view of a sulfur trioxide flue gas absorber according to the present utility model;
FIG. 2 is an enlarged schematic view of the sulfur trioxide flue gas absorber of FIG. 1 at A according to the present utility model;
FIG. 3 is a front view of a sulfur trioxide flue gas absorber according to the present utility model;
fig. 4 is a schematic cross-sectional view of a serpentine tube of the sulfur trioxide flue gas absorber of the present utility model.
In the figure: 1. an absorption tower body; 101. an air inlet pipe; 102. a drain pipe; 103. an exhaust pipe; 104. a water pump; 105. a spray tube; 106. a liquid suction pipe; 2. an impeller box; 201. a first rotating shaft; 202. an impeller set; 203. an exhaust port; 3. a sleeve; 301. a slide bar; 302. a slide rheostat; 303. a spring; 304. a connecting rod; 305. a conductive sheet; 4. a refrigerating machine; 401. a serpentine tube; 5. a second rotating shaft; 501. a fixing plate; 502. and a ventilation port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1: referring to fig. 1, 2, 3 and 4, a sulfur trioxide flue gas absorber comprises: the absorption tower body 1 further includes: an intake pipe 101 provided on one side of the absorber body 1; an exhaust pipe 103 provided on the upper side of the absorption tower body 1; a drain pipe 102 provided at the bottom of the absorption tower body 1; the spray assembly is arranged in the absorption tower body 1; the impeller box 2 is fixed in the absorption tower body 1, and the air inlet pipe 101 is fixedly connected with the input end of the impeller box 2; a first rotating shaft 201 which is hermetically rotated in the impeller housing 2; the impeller set 202 is fixed on the first rotating shaft 201, and the impeller set 202 is matched with the impeller box 2; an exhaust port 203 provided at an output end of the impeller housing 2; a sleeve 3 fixed to one end of the first rotation shaft 201; a slide bar 301 sliding within the sleeve 3; a spring 303 fixed between the slide bar 301 and the sleeve 3; a slide rheostat 302 fixed on the slide bar 301, the slide rheostat 302 being matched to the spray assembly; the connecting rod 304 is fixed on the sleeve 3, and the connecting rod 304 is fixedly connected with a conducting strip 305 matched with the slide rheostat 302.
The spray assembly comprises a water pump 104 fixed on the absorption tower body 1, the output end of the water pump 104 is fixedly connected with a spray pipe 105, the spray pipe 105 is arranged in the absorption tower body 1, the input end of the water pump 104 is fixedly connected with a liquid suction pipe 106, and the slide rheostat 302 is matched with the water pump 104.
One side of the absorption tower body 1 is fixedly connected with a refrigerator 4, a coiled pipe 401 is fixedly connected in the absorption tower body 1, one end of the coiled pipe 401 is fixedly connected with the output end of the refrigerator 4, and the input end of the refrigerator 4 is fixedly connected with the far end of the coiled pipe 401.
The absorption tower body 1 is internally and symmetrically provided with a fixing plate 501, and a plurality of groups of ventilation openings 502 which are equidistantly arranged are arranged on the fixing plate 501.
The second rotating shaft 5 is symmetrically rotated in the absorption tower body 1, the second rotating shaft 5 is fixedly connected with the fixing plate 501, and a torsion spring is arranged between the second rotating shaft 5 and the absorption tower body 1.
A relief valve is provided in the drain pipe 102.
When sulfur trioxide is absorbed, gas containing sulfur trioxide is introduced into the air inlet pipe 101, the water pump 104 and the refrigerator 4 are started at the same time, the liquid suction pipe 106 is connected with an external concentrated sulfuric acid solution, the gas enters the impeller box 2 through the air inlet pipe 101 and is discharged through the air outlet 203, the gas is matched with the impeller group 202 to drive the first rotating shaft 201 to rotate, the first rotating shaft 201 drives the sleeve 3 to rotate, the sliding rod 301 slides out under the action of centrifugal force, at the moment, the contact positions of the sliding rheostat 302 and the conducting plate 305 are different, the water pumping efficiency of the water pump 104 is controlled through the sliding rheostat 302, when the amount of gas entering the air inlet pipe 101 is increased, the rotating speed of the first rotating shaft 201 is increased, the sliding distance of the sliding rod 301 slides out is increased, and at the moment, the output power of the sliding rheostat 302 is controlled to be increased, so that enough concentrated sulfuric acid is sprayed to absorb sulfur trioxide, and the absorption effect on sulfur trioxide is effectively improved;
the refrigerating machine 4 is used for continuously and circularly producing cold air, so that the temperature of the coiled pipe 401 is reduced, the temperature of the sulfur trioxide is quickly reduced after the sulfur trioxide contacts with the outer wall of the coiled pipe 401, and part of the sulfur trioxide is directly changed into liquid state for recycling, thereby effectively improving the absorption efficiency of the sulfur trioxide;
the sulfur trioxide gas flows upwards through the ventilation port 502, so that the sulfur trioxide gas contacts with the concentrated sulfuric acid more uniformly, and the residual concentrated sulfuric acid on the fixing plate 501 can absorb part of the sulfur trioxide, thereby effectively improving the absorption efficiency of the sulfur trioxide.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Sulfur trioxide flue gas absorber comprising: absorption tower body (1), its characterized in that still includes: an air inlet pipe (101) arranged at one side of the absorption tower body (1); an exhaust pipe (103) provided on the upper side of the absorption tower body (1); a drain pipe (102) arranged at the bottom of the absorption tower body (1); the spray assembly is arranged in the absorption tower body (1); the impeller box (2) is fixed in the absorption tower body (1), and the air inlet pipe (101) is fixedly connected with the input end of the impeller box (2); a first rotating shaft (201) which is hermetically rotated in the impeller box (2); the impeller set (202) is fixed on the first rotating shaft (201), and the impeller set (202) is matched with the impeller box (2); an exhaust port (203) arranged at the output end of the impeller box (2); a sleeve (3) fixed at one end of the first rotating shaft (201); a slide bar (301) sliding in the sleeve (3); a spring (303) fixed between the slide bar (301) and the sleeve (3); the slide rheostat (302) is fixed on the slide rod (301), and the slide rheostat (302) is matched with the spraying assembly; the connecting rod (304) is fixed on the sleeve (3), and a conducting strip (305) matched with the slide rheostat (302) is fixedly connected to the connecting rod (304).
2. The sulfur trioxide flue gas absorption tower according to claim 1, wherein the spray assembly comprises a water pump (104) fixed on the absorption tower body (1), the output end of the water pump (104) is fixedly connected with a spray pipe (105), the spray pipe (105) is arranged in the absorption tower body (1), the input end of the water pump (104) is fixedly connected with a liquid suction pipe (106), and the slide rheostat (302) is matched with the water pump (104).
3. The sulfur trioxide flue gas absorption tower according to claim 2, wherein one side of the absorption tower body (1) is fixedly connected with a refrigerator (4), a coiled pipe (401) is fixedly connected in the absorption tower body (1), one end of the coiled pipe (401) is fixedly connected with the output end of the refrigerator (4), and the input end of the refrigerator (4) is fixedly connected with the far end of the coiled pipe (401) away from you.
4. The sulfur trioxide flue gas absorption tower according to claim 1, wherein the absorption tower body (1) is internally and symmetrically provided with a fixed plate (501), and the fixed plate (501) is provided with a plurality of groups of ventilation openings (502) which are equidistantly arranged.
5. The sulfur trioxide flue gas absorption tower according to claim 4, characterized in that the second rotating shaft (5) is symmetrically rotated in the absorption tower body (1), the second rotating shaft (5) is fixedly connected with the fixing plate (501), and a torsion spring is arranged between the second rotating shaft (5) and the absorption tower body (1).
6. Sulfur trioxide flue gas absorber according to claim 1, characterized in that a pressure relief valve is arranged in the drain pipe (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320968047.1U CN219815801U (en) | 2023-04-26 | 2023-04-26 | Sulfur trioxide flue gas absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320968047.1U CN219815801U (en) | 2023-04-26 | 2023-04-26 | Sulfur trioxide flue gas absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219815801U true CN219815801U (en) | 2023-10-13 |
Family
ID=88248389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320968047.1U Active CN219815801U (en) | 2023-04-26 | 2023-04-26 | Sulfur trioxide flue gas absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219815801U (en) |
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2023
- 2023-04-26 CN CN202320968047.1U patent/CN219815801U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |