CN112827334A - Zinc oxide desulfurization equipment - Google Patents
Zinc oxide desulfurization equipment Download PDFInfo
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- CN112827334A CN112827334A CN202110222475.5A CN202110222475A CN112827334A CN 112827334 A CN112827334 A CN 112827334A CN 202110222475 A CN202110222475 A CN 202110222475A CN 112827334 A CN112827334 A CN 112827334A
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- absorption tower
- fixedly connected
- pipe
- air inlet
- wall
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 51
- 230000023556 desulfurization Effects 0.000 title claims abstract description 51
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 238000005507 spraying Methods 0.000 claims abstract description 30
- 238000001802 infusion Methods 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 60
- 239000003546 flue gas Substances 0.000 abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 18
- 238000012545 processing Methods 0.000 abstract description 5
- 238000003795 desorption Methods 0.000 abstract description 4
- 235000003599 food sweetener Nutrition 0.000 abstract description 4
- 239000003765 sweetening agent Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000003009 desulfurizing effect Effects 0.000 description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 5
- 229960001763 zinc sulfate Drugs 0.000 description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- HSYFJDYGOJKZCL-UHFFFAOYSA-L zinc;sulfite Chemical compound [Zn+2].[O-]S([O-])=O HSYFJDYGOJKZCL-UHFFFAOYSA-L 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- ZTUVUXVSZXNSCL-UHFFFAOYSA-L zinc;hydrogen sulfite Chemical compound [Zn+2].OS([O-])=O.OS([O-])=O ZTUVUXVSZXNSCL-UHFFFAOYSA-L 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/602—Oxides
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides zinc oxide desulfurization equipment, and relates to the technical field of zinc oxide desulfurization. This zinc oxide sweetener, including the absorption tower, the bottom of absorption tower outer wall one side is provided with air inlet mechanism, the outer wall of absorption tower is kept away from the central part of air inlet mechanism one side and is provided with infusion mechanism, the corresponding mechanism that sprays of mechanism is installed at the center of absorption tower inner wall, the bottom fixedly connected with drainage mechanism of absorption tower, sealed tower lid is installed at the top of absorption tower, smart desulfurization mechanism is installed at the top of absorption tower inner wall. Through designing liquid desulfurizer and spraying mechanism and solid fine desulphurization mechanism, can carry out effectual absorption and processing to the sulfur dioxide flue gas that contains that mechanism blows in admits air, both improved the desorption efficiency to sulfur dioxide, also saved a large amount of time simultaneously.
Description
Technical Field
The invention relates to the technical field of zinc oxide desulfurization, in particular to zinc oxide desulfurization equipment.
Background
The zinc oxide desulfurizing technology is that powder containing ZnO is mixed with water or the washing liquid of desulfurizing slag returned from the process to prepare suspension, and the suspension is absorbed with SO in fume in an absorption apparatus2Reaction, SO in the flue gas2Mainly in the form of zinc sulfite (also zinc bisulfite and zinc sulfate) and absorbedThe by-product zinc sulfite is treated by air oxidation or thermal decomposition or acid decomposition, and can finally produce zinc sulfate, electrolytic zinc, sulfuric acid (or liquid sulfur dioxide) and other products, and original production equipment of factories (such as zinc sulfate purification, an electrolysis system, a zinc concentrate boiling roaster, SO) can be utilized2Acid making system, etc.) as a recovery apparatus for desulfurization by-products, the investment of the desulfurization part is low, the desulfurization is carried out by using the zinc oxide soot which is an intermediate product of a smelting plant, the expense of the desulfurizer can be saved (the expense of the desulfurizer accounts for more than 60 percent of the total operation expense in other desulfurization methods), and only the expenses of power, maintenance, wage and the like in the absorption and filtration process, zinc in the soot and SO in the flue gas are needed2The product is recycled, and no secondary pollution is generated.
During the processing of petrochemical products, a large amount of sulfur dioxide (SO) is produced2) For those containing sulfur dioxide (SO)2) The flue gas treatment needs to use special zinc oxide desulfurization equipment, but the existing zinc oxide desulfurization equipment has a simple structure design and is used for treating sulfur dioxide (SO)2) When the flue gas is chemically treated, sulfur dioxide (SO) is added2) The removal efficiency of the method is low, multi-stage zinc oxide desulfurization equipment is often required to carry out repeated removal, the absorption time is long, a large amount of resources are wasted, and the use is very inconvenient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides zinc oxide desulfurization equipment, which solves the problems that the existing zinc oxide desulfurization equipment is over simple in structural design and the equipment is used for treating sulfur dioxide (SO)2) When the flue gas is chemically treated, sulfur dioxide (SO) is added2) The desorption efficiency of (2) is lower, often needs multistage zinc oxide sweetener to carry out desorption repeatedly, not only absorption time is long, but also a large amount of resources can be wasted, and the problem of very inconvenient use is solved.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a zinc oxide desulfurization device comprises an absorption tower, wherein an air inlet mechanism is arranged at the bottom of one side of the outer wall of the absorption tower, the air inlet mechanism comprises an air inlet connecting pipe, the bottom of one side of the outer wall of the absorption tower is fixedly connected with the air inlet connecting pipe, an air inlet hole corresponding to the air inlet connecting pipe is formed in the inner wall of the absorption tower, one end, away from the absorption tower, of the air inlet connecting pipe is fixedly connected with an air inlet pipe, and the air inlet pipe is fixedly connected with the air inlet connecting pipe through a plurality of first fixing bolts;
the central part that the outer wall of absorption tower kept away from mechanism one side of admitting air is provided with infusion mechanism, the center of absorption tower inner wall is installed and is constructed with the corresponding mechanism that sprays of infusion, the bottom fixedly connected with drainage mechanism of absorption tower, the sealed tower lid is installed at the top of absorption tower, the center fixedly connected with pipe of discharging fume at sealed tower lid top, smart desulfurization mechanism is installed at the top of absorption tower inner wall.
Preferably, the air inlet connecting pipe is arranged in an inclined structure and is fixedly connected with the absorption tower through welding.
Preferably, infusion mechanism includes the connecting seat, two connecting seats of the central fixedly connected with of air inlet mechanism one side are kept away from to the outer wall of absorption tower, two the center difference fixedly connected with first branch liquid pipe and the second branch liquid pipe of connecting seat, the one end fixedly connected with transfer line that the connecting seat was kept away from to first branch liquid pipe and second branch liquid pipe, the tee bend that one end fixedly connected with and the transfer line are corresponding that the connecting seat was kept away from to first branch liquid pipe and second branch liquid pipe.
Preferably, the mechanism that sprays includes first shower and second shower, first shower and second shower are installed respectively to the center of absorption tower inner wall, the equal fixedly connected with in one side of first shower and second shower outer wall and the corresponding feed liquor pipe of infusion mechanism, a plurality of spray holes have all been seted up to the inboard of first shower and second shower, a plurality of fixed clamps corresponding with the absorption tower are installed to the week side of first shower and second shower, and are a plurality of fixed clamps are a plurality of fixed clamp is through two second fixing bolt and absorption tower fixed connection.
Preferably, the liquid discharge mechanism comprises a liquid discharge valve, the bottom end of the absorption tower is fixedly connected with the liquid discharge valve, a valve hand wheel is installed at the center of the front end of the liquid discharge valve, a liquid discharge pipe is installed at the bottom of the liquid discharge valve, and the liquid discharge valve is fixedly connected with the liquid discharge pipe through a plurality of third fixing bolts.
Preferably, the sealing tower cover and the absorption tower are fixedly connected through a plurality of fourth fixing bolts.
Preferably, fine desulfurization mechanism includes the holding ring, the inner wall fixedly connected with holding ring of absorption tower, stainless steel wire net is installed at the top of holding ring, all week side fixedly connected with of stainless steel wire net bottom a plurality of reference columns corresponding with the holding ring, stainless steel wire net's top is provided with high temperature resistant filter screen, fine desulfurization agent is filled to high temperature resistant filter screen's top, ventilative apron is installed at fine desulfurization agent's top.
The working principle is as follows: when the zinc oxide desulfurization equipment is used, sulfur dioxide (SO) is contained2) The flue gas can enter the absorption tower 1 through the air inlet connecting pipe 201, the air inlet connecting pipe 201 arranged in an inclined structure can prevent the desulfurizer mixed liquid sprayed by the spraying mechanism 4 from flowing back into the air inlet pipe 203 through the air inlet connecting pipe 201, the central part of the outer wall of the absorption tower 1, which is far away from one side of the air inlet mechanism 2, is provided with the liquid conveying mechanism 3, the spraying mechanism 4 corresponding to the liquid conveying mechanism 3 is arranged at the center of the inner wall of the absorption tower 1, the prepared desulfurizer mixed liquid can enter the spraying mechanism 4 through the liquid conveying pipe 304, the first liquid distributing pipe 302 and the second liquid distributing pipe 303, and after the prepared desulfurizer mixed liquid enters the first spraying pipe 401 and the second spraying pipe 402 through the liquid conveying mechanism 3, the prepared desulfurizer mixed liquid can be uniformly sprayed out through a plurality of spraying holes 404 formed in the inner sides of the first spraying pipe 401 and the second spraying pipe 402 and can2) The flue gas is subjected to primary desulfurization, and the desulfurizer mixed liquid is absorbed with SO in the flue gas in absorption equipment2Reacting, and removing SO in the flue gas2Mainly removes the zinc sulfite (also zinc bisulfite and zinc sulfate), and the flue gas after primary desulfurization automatically followsAnd the flue gas continuously rises and enters a fine desulfurizing agent 904 through a stainless steel wire mesh 902, the fine desulfurizing agent 904 further reacts with rising flue gas, and finally the desulfurized flue gas is collected to a specified device through a smoke exhaust pipe 7 for continuous reaction and processing.
(III) advantageous effects
The invention provides zinc oxide desulfurization equipment. The method has the following beneficial effects:
1. this kind of zinc oxide sweetener through designing dual desulfurization mechanism, has improved desulfurization efficiency greatly, and its simple installation fixed knot constructs simultaneously, also is convenient for the change of desulfurizer and desulfurization mechanism's maintenance.
2. This kind of zinc oxide sweetener sprays mechanism and solid fine desulphurization mechanism through designing liquid desulfurizer, can carry out effectual absorption and processing to the sulfur dioxide flue gas that contains that mechanism blows in of admitting air, has both improved the desorption efficiency to sulfur dioxide, has also saved a large amount of times simultaneously.
Drawings
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a cross-sectional structural view of the present invention;
FIG. 3 is a schematic structural view of the shower pipe of the present invention;
FIG. 4 is a schematic structural view of a fine desulfurization mechanism according to the present invention;
FIG. 5 is a top view of the stainless steel wire mesh of the present invention;
fig. 6 is a partially enlarged view of a portion a in fig. 2.
Wherein, 1, an absorption tower; 2. an air intake mechanism; 201. an air inlet connecting pipe; 202. an air inlet; 203. an air inlet pipe; 204. a first fixing bolt; 3. a transfusion mechanism; 301. a connecting seat; 302. a first liquid dividing pipe; 303. a second liquid dividing pipe; 304. a transfusion tube; 305. a tee joint; 4. a spraying mechanism; 401. a first shower pipe; 402. a second shower pipe; 403. a liquid inlet pipe; 404. spraying holes; 405. fixing a clamp; 406. a second fixing bolt; 5. a liquid discharge mechanism; 501. a drain valve; 502. a valve hand wheel; 503. a liquid discharge pipe; 504. a third fixing bolt; 6. sealing the tower cover; 7. a smoke exhaust pipe; 8. a fourth fixing bolt; 9. a fine desulfurization mechanism; 901. a positioning ring; 902. stainless steel wire mesh; 903. a positioning column; 904. a fine desulfurizing agent; 905. a gas permeable cover plate; 906. high temperature resistant filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-6, an embodiment of the present invention provides a zinc oxide desulfurization apparatus, including an absorption tower 1, an air inlet mechanism 2 is disposed at the bottom of one side of an outer wall of the absorption tower 1, the air inlet mechanism 2 includes an air inlet connecting pipe 201, the bottom of one side of the outer wall of the absorption tower 1 is fixedly connected with the air inlet connecting pipe 201, an air inlet 202 corresponding to the air inlet connecting pipe 201 is disposed on an inner wall of the absorption tower 1, an air inlet pipe 203 is fixedly connected to one end of the air inlet connecting pipe 201 far away from the absorption tower 1, and the air inlet pipe 203 is fixedly connected to the air inlet connecting pipe 201 through;
the central part of the outer wall of the absorption tower 1 far away from one side of the air inlet mechanism 2 is provided with a liquid conveying mechanism 3, the center of the inner wall of the absorption tower 1 is provided with a spraying mechanism 4 corresponding to the liquid conveying mechanism 3, the bottom end of the absorption tower 1 is fixedly connected with a liquid discharging mechanism 5, the top of the absorption tower 1 is provided with a sealed tower cover 6, the center of the top of the sealed tower cover 6 is fixedly connected with a smoke discharging pipe 7, and the top of the inner wall of the absorption tower 1 is provided with a fine desulfurization mechanism 9.
The air inlet connecting pipe 201 is arranged in an inclined structure, the air inlet connecting pipe 201 is fixedly connected with the absorption tower 1 through welding, and the air inlet connecting pipe 201 arranged in the inclined structure can prevent desulfurizer mixed liquid sprayed by the spraying mechanism 4 from flowing backwards into the air inlet pipe 203 through the air inlet connecting pipe 201.
The spraying mechanism 4 comprises a first spraying pipe 401 and a second spraying pipe 402, the center of the inner wall of the absorption tower 1 is respectively provided with the first spraying pipe 401 and the second spraying pipe 402, one side of the outer wall of the first spraying pipe 401 and one side of the outer wall of the second spraying pipe 402 are both fixedly connected with a liquid inlet pipe 403 corresponding to the liquid conveying mechanism 3, the inner sides of the first spraying pipe 401 and the second spraying pipe 402 are both provided with a plurality of spraying holes 404, the peripheral sides of the first spraying pipe 401 and the second spraying pipe 402 are provided with a plurality of fixing clamps 405 corresponding to the absorption tower 1, the plurality of fixing clamps 405 are both fixedly connected with the absorption tower 1 through two second fixing bolts 406, the desulfurizer mixed liquid to be configured enters the first spraying pipe 401 and the second spraying pipe 402 through the liquid conveying mechanism 3, is uniformly sprayed out through a plurality of spray holes 404 formed in the inner sides of the first spray pipe 401 and the second spray pipe 402, and is mixed with sulfur dioxide (SO) entering the absorption tower 1.2) The flue gas is subjected to primary desulfurization, and the desulfurizer mixed liquid is absorbed with SO in the flue gas in absorption equipment2Reacting, and removing SO in the flue gas2Mainly in the form of zinc sulfite (zinc bisulfite and zinc sulfate).
The liquid discharge mechanism 5 comprises a liquid discharge valve 501, the bottom end of the absorption tower 1 is fixedly connected with the liquid discharge valve 501, a valve handwheel 502 is installed at the center of the front end of the liquid discharge valve 501, a liquid discharge pipe 503 is installed at the bottom of the liquid discharge valve 501, the liquid discharge valve 501 is fixedly connected with the liquid discharge pipe 503 through a plurality of third fixing bolts 504, and the desulfurizer mixed liquid sprayed by the spraying mechanism 4 is in SO state with flue gas2After the reaction, the reaction liquid is collected at the bottom of the absorption tower 1, and the operator can slowly discharge the reacted desulfurizer mixed liquid through the valve handwheel 502.
The sealing tower cover 6 is fixedly connected with the absorption tower 1 through a plurality of fourth fixing bolts 8, and the sealing tower cover 6 is fixedly connected with the absorption tower 1 through a plurality of fourth fixing bolts 8 so as to be convenient to detach and install.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A zinc oxide desulfurization apparatus comprising an absorption tower (1), characterized in that: the air inlet mechanism (2) is arranged at the bottom of one side of the outer wall of the absorption tower (1), the air inlet mechanism (2) comprises an air inlet connecting pipe (201), the air inlet connecting pipe (201) is fixedly connected to the bottom of one side of the outer wall of the absorption tower (1), an air inlet hole (202) corresponding to the air inlet connecting pipe (201) is formed in the inner wall of the absorption tower (1), an air inlet pipe (203) is fixedly connected to one end, far away from the absorption tower (1), of the air inlet connecting pipe (201), and the air inlet pipe (203) is fixedly connected with the air inlet connecting pipe (201) through a plurality of first fixing bolts (204);
the central part that admits air mechanism (2) one side was kept away from to the outer wall of absorption tower (1) is provided with infusion mechanism (3), the center of absorption tower (1) inner wall is installed and is constructed (4) with infusion mechanism (3) corresponding spraying, the bottom fixedly connected with drainage mechanism (5) of absorption tower (1), sealed tower lid (6) is installed at the top of absorption tower (1), the center fixedly connected with at sealed tower lid (6) top is discharged fume pipe (7), fine desulfurization mechanism (9) are installed at the top of absorption tower (1) inner wall.
2. The zinc oxide desulfurization apparatus according to claim 1, characterized in that: the air inlet connecting pipe (201) is arranged in an inclined structure, and the air inlet connecting pipe (201) is fixedly connected with the absorption tower (1) through welding.
3. The zinc oxide desulfurization apparatus according to claim 1, characterized in that: infusion mechanism (3) are including connecting seat (301), two connecting seats (301) of the center fixedly connected with of mechanism (2) one side of admitting air are kept away from to the outer wall of absorption tower (1), two the center difference fixedly connected with first branch liquid pipe (302) and second branch liquid pipe (303) of connecting seat (301), the one end fixedly connected with transfer line (304) of connecting seat (301) are kept away from to first branch liquid pipe (302) and second branch liquid pipe (303), the one end fixedly connected with and the corresponding tee bend (305) of transfer line (304) that connecting seat (301) were kept away from to first branch liquid pipe (302) and second branch liquid pipe (303).
4. The zinc oxide desulfurization apparatus according to claim 1, characterized in that: spray mechanism (4) including first shower (401) and second shower (402), first shower (401) and second shower (402) are installed respectively to the center of absorption tower (1) inner wall, the equal fixedly connected with in one side of first shower (401) and second shower (402) outer wall and the corresponding feed liquor pipe (403) of infusion mechanism (3), a plurality of spray holes (404) have all been seted up to the inboard of first shower (401) and second shower (402), a plurality of fixed clamps (405) corresponding with absorption tower (1) are installed to week side of first shower (401) and second shower (402), and are a plurality of fixed clamps (405) are all through two second fixing bolt (406) and absorption tower (1) fixed connection.
5. The zinc oxide desulfurization apparatus according to claim 1, characterized in that: the liquid discharge mechanism (5) comprises a liquid discharge valve (501), the bottom end of the absorption tower (1) is fixedly connected with the liquid discharge valve (501), a valve hand wheel (502) is installed at the center of the front end of the liquid discharge valve (501), a liquid discharge pipe (503) is installed at the bottom of the liquid discharge valve (501), and the liquid discharge valve (501) is fixedly connected with the liquid discharge pipe (503) through a plurality of third fixing bolts (504).
6. The zinc oxide desulfurization apparatus according to claim 1, characterized in that: the sealing tower cover (6) is fixedly connected with the absorption tower (1) through a plurality of fourth fixing bolts (8).
7. The zinc oxide desulfurization apparatus according to claim 1, characterized in that: the fine desulfurization mechanism (9) comprises a positioning ring (901), the inner wall of the absorption tower (1) is fixedly connected with the positioning ring (901), a stainless steel wire mesh (902) is installed at the top of the positioning ring (901), a plurality of positioning columns (903) corresponding to the positioning ring (901) are fixedly connected with the peripheral sides of the bottom of the stainless steel wire mesh (902), a high-temperature-resistant filter screen (906) is arranged at the top of the stainless steel wire mesh (902), a fine desulfurization agent (904) is filled at the top of the high-temperature-resistant filter screen (906), and a ventilation cover plate (905) is installed at the top of the fine desulfurization agent (904).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110222475.5A CN112827334A (en) | 2021-03-30 | 2021-03-30 | Zinc oxide desulfurization equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110222475.5A CN112827334A (en) | 2021-03-30 | 2021-03-30 | Zinc oxide desulfurization equipment |
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| CN112827334A true CN112827334A (en) | 2021-05-25 |
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| CN202110222475.5A Pending CN112827334A (en) | 2021-03-30 | 2021-03-30 | Zinc oxide desulfurization equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201684538U (en) * | 2010-06-01 | 2010-12-29 | 北京蒂本斯工程技术有限公司 | Device for removing sulfur dioxide in flue gas |
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| US20200179872A1 (en) * | 2018-12-06 | 2020-06-11 | Kunming University Of Science And Technology | System and method for desulfurization and denitrification integrated treatment and recycling of flue gas by using red mud |
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