CN108816033A - A kind of smelting acid making exhaust gas oxidation zinc desulfurizer and method - Google Patents
A kind of smelting acid making exhaust gas oxidation zinc desulfurizer and method Download PDFInfo
- Publication number
- CN108816033A CN108816033A CN201810744091.8A CN201810744091A CN108816033A CN 108816033 A CN108816033 A CN 108816033A CN 201810744091 A CN201810744091 A CN 201810744091A CN 108816033 A CN108816033 A CN 108816033A
- Authority
- CN
- China
- Prior art keywords
- zinc oxide
- zinc
- desulfurizing tower
- exhaust gas
- slurries
- 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.)
- Pending
Links
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
- B01D53/74—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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of smelting acid making exhaust gas oxidation zinc desulfurizer and methods, including exhaust gas processing device, zinc oxide storage chamber, with stock tank, desulfurizing tower and slurry tank, zinc oxide feeding inlet is connected to the zinc oxide storage chamber, stock tank is matched in setting below the zinc oxide storage chamber, the zinc oxide storage chamber is connected to described with stock tank, the exhaust gas processing device is arranged in desulfurizing tower upper surface middle position, two technique sprinkler heads are symmetrical arranged at the top of the desulfurizing tower, at the top of the desulfurizing tower, and it is arranged below the technique sprinkler head and zinc oxide slurries spray head is installed, air compressor machine is installed below the desulfurizing tower；The present invention is not required to reduce the solid content of ore pulp, can solve the problems, such as the fouling blockage of zinc sulfite slurries, effectively prevent the problems such as high liquid-solid ratio bring water requirement is big, subsequent job intensity is high；Smelting acid making exhaust gas oxidation zinc sulfur method has many advantages, such as that easy to operate, process flow is short, desulfuration efficiency is high.
Description
Technical field
The present invention relates to tail gas desulfurization technical field, specifically a kind of smelting acid making exhaust gas oxidation zinc desulfurizer and side
Method.
Background technique
Zinc oxide method is a kind of sulfur method suitable for zinc abstraction enterprise and lead and zinc smelting complex enterprise, has absorbent
The advantages such as from the horse's mouth and desulfuration byproduct recoverable.Existing zinc oxide desulfurization device is in sweetening process, desulfurization effect
Fruit is poor, and since desulfurization product zinc sulfite viscosity is bigger, it is stifled that circulating slot bottom deposit, pipeline are easily caused in sweetening process
The problems such as plug, needs periodic cleaning zinc oxide circulating slot, also reduces operating efficiency while increasing labor intensity, and serious restrict takes off
The serialization of sulphur system is run.The problem of fouling blockage in order to mitigate zinc sulfite, most enterprise are taken and reduce ore pulp and contain admittedly
The method of amount, generally requires solid content less than 10%.However, reducing solid content will lead to workload increases and water requirement is big etc.
A series of problems.
Summary of the invention
The purpose of the present invention is to provide a kind of smelting acid making exhaust gas oxidation zinc desulfurizer and methods, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of smelting acid making exhaust gas oxidation zinc desulfurizer, including exhaust gas processing device, zinc oxide storage chamber, match stock tank, desulfurization
Tower and slurry tank, zinc oxide feeding inlet are connected to the zinc oxide storage chamber, and stock tank is matched in setting below the zinc oxide storage chamber,
The zinc oxide storage chamber is connected to described with stock tank, and the exhaust gas processing device is arranged in desulfurizing tower upper surface middle position,
It is symmetrical arranged two technique sprinkler heads at the top of the desulfurizing tower, is located at the top of the desulfurizing tower, and is arranged and is sprayed in the process water
The two rows of zinc oxide slurries spray heads disposed in parallel of head lower section installation, air compressor machine is installed in desulfurizing tower lower section middle position, described
Air compressor machine two sidewalls be connected to gas-guide tube, the gas-guide tube far from described air compressor machine one end run through the desulfurization tower side wall, and with
Mix air hose connection.
As a further solution of the present invention：The exhaust gas processing device includes activated charcoal strainer, exhaust fan and flue gas
Activated charcoal strainer is arranged in conduction pipe, the exhaust gas processing device middle position, and the exhaust gas processing device bottom setting is more
A flue gas conduction pipe, the flue gas conduction pipe are connected to far from described exhaust gas processing device one end and desulfurizing tower top,
Exhaust fan is fixedly installed on the right side of the exhaust gas processing device.
As further scheme of the invention：Annular water storage cavity, institute is fixedly installed in desulfurizing tower side wall upper part outer
It states annular water storage cavity to be connected to the technique sprinkler head, annular water storage cavity right side wall middle position Joining Technology water water conservancy diversion
Pipe.
As further scheme of the invention：The process water diversion pipe connects institute far from described annular water storage cavity one end
It states and matches stock tank, go back mounting process water booster pump on the process water diversion pipe.
As further scheme of the invention：Spacing between the adjacent zinc oxide slurries spray head is set as 40-
50cm, annular header box is installed in middle position on the left of the desulfurizing tower, the annular header box right side wall up and down two sides with it is described
Zinc oxide slurries spray head is connected by slurries diversion branch pipe, and installation is discharged into pump in slurries diversion branch pipe.
As further scheme of the invention：The annular header box left side wall middle position is fixedly connected with circulation pipe
Road, the circulating line are fixedly connected with desulfurizing tower bottom left position far from described annular header box one end, and described follow
Endless tube installs circulating pump on road.
As further scheme of the invention：The mixing air hose inclination is symmetricly set on the desulfurization tower bottom, and
The mixing air hose tilt angle is 10-50 °, and the mixing air hose side wall is uniformly arranged multiple gas vents.
As further scheme of the invention：The desulfurizing tower bottom surface is symmetrically welded two filtrate diversion pipes, described
Filtrate diversion pipe is fixedly connected with slurry tank far from described desulfurizing tower one end, and orientation is arranged under the desulfurizing tower in the slurry tank
It sets, filter pressing pump is installed, filtrate filter residue separator box is installed in slurry tank lower surface middle position, described on the filtrate diversion pipe
With zinc sulfate filtrate inlet tube is connected on the left of stock tank, installation slurries pump, the zinc sulfate are filtered on the zinc sulfate filtrate inlet tube
Liquid inlet tube is fixedly connected with desulfurization tower side wall middle position with stock tank one end far from described.
A kind of smelting acid making exhaust gas oxidation zinc sulfur method, includes the following steps：
1）The preparation of zinc oxide desulfurization slurries：Zinc-oxide calcine or zinc oxide fumes are delivered to zinc oxide by pneumatic conveying mode
In storage chamber, then by zinc oxide storage chamber zinc-oxide calcine or zinc oxide fumes be transmitted to by belt feeder it is with slurry
In slot, by process water diversion pipe and zinc sulfate filtrate inlet tube with zinc sulfate filtrate and process water are added in stock tank, stir
It is circulating pump-gas-guide tube % zinc oxide desulfurization slurries that solid content is configured to after uniformly, is pumped by slurries by zinc oxide desulfurization slurries
It squeezes into desulfurizing tower；
2）Desulfurization absorbing reaction：Flue gas during smelting enters in desulfurizing tower, opens the circulating pump on circulating line, zinc oxide desulfurization slurries
It sprays, and inversely contacts with flue gas from zinc oxide slurries spray head, and the zinc oxide desulfurization slurries time after react with flue gas during smelting
It is recycled into circulating line, and under the circulation pumping action；
3）Zinc oxide desulfurization slurries strengthen stirring：In zinc oxide desulfurization serum recycle desulfurization, air compressor machine, the air compressor machine are opened
Serious air is passed through into the mixing air hose by gas-guide tube, finally realizes the mesh to the desulfurizing tower bottom ventilation
, while improving the oxidation of desulfurization product zinc sulfite, realize the reinforcing stirring of zinc oxide desulfurization slurries；
4）Desulfurization product processing：After the liquid level in desulfurizing tower reaches setting value, by zinc oxide slurries circulating slot zinc oxide slurries
Zinc oxide desulfurization slurries in spray head are discharged in filtrate diversion pipe, then are taken off the zinc oxide in filtrate diversion pipe by filter pressing pump
Sulphur slurries are delivered in slurry tank, carry out filters pressing to zinc oxide desulfurization slurries in slurry tank, filtrate Zn2+ concentration is low after filters pressing
When 60g/L, into match stock tank, filtrate Zn after filters pressing2+Concentration is sent into leaching system, filter residue recycling benefit when being more than or equal to 60g/L
With；
5）Fume treatment：Step 2）The flue gas of middle discharge is extracted out by the exhaust fan, and is flowed by the flue gas conduction pipe
In the exhaust gas processing device, the activated charcoal strainer is filtered flue gas, and the flue gas of filtered cleaning is discharged；
6）Process water rinses：In flue gas during smelting treatment process, process water enters in annular water storage cavity and by technique sprinkler head pair
Side wall in desulfurizing tower is rinsed.
Compared with prior art, the beneficial effects of the invention are as follows：The setting of the activated charcoal strainer can be realized to institute
It states the flue gas being discharged in exhaust gas processing device adequately to be filtered, the setting of the exhaust fan can be realized the desulfurizing tower
Interior flue gas is pumped into the exhaust gas processing device, realizes the processing to flue gas, the setting of the mixing air hose can be realized by
Air is discharged into the desulfurization tower bottom, and then avoids the deposition of the desulfurizing tower bottom slurry, influences normal desulfurization；It drops simultaneously
Low this problem of the easy fouling blockage of zinc sulfite, extends zinc oxide slurries circulating slot cleaning cycle, reduces labor operation
Intensity realizes continuous production.The present invention is not required to reduce the solid content of ore pulp, can solve the fouling blockage of zinc sulfite slurries
Problem effectively prevents the problems such as high liquid-solid ratio bring water requirement is big, subsequent job intensity is high；Smelting acid making exhaust gas oxidation zinc
Sulfur method has many advantages, such as that easy to operate, process flow is short, desulfuration efficiency is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of smelting acid making exhaust gas oxidation zinc desulfurizer.
Fig. 2 is the structural schematic diagram of flue gas processing device in smelting acid making exhaust gas oxidation zinc desulfurizer.
Fig. 3 is the workflow schematic diagram of smelting acid making exhaust gas oxidation zinc sulfur method.
In figure：1- exhaust gas processing device, 2- zinc oxide feeding inlet, 3- zinc oxide storage chamber, 4- with stock tank, 5- desulfurizing tower,
6- technique sprinkler head, 7- annular water storage cavity, 8- process water diversion pipe, 9- process water booster pump, 10- zinc oxide slurries spray head, 11-
Annular header box, 12- be discharged into pump, 13- circulating line, 14- circulating pump, 15- gas-guide tube, 16- slurries pump, 17- mixing air hose,
18- gas-guide tube, 19- air compressor machine, 20- filtrate diversion pipe, 21- filter pressing pump, 22- slurry tank, 23- filtrate filter residue separator box, 24- are living
Property charcoal filter screen, 25- exhaust fan, 26- flue gas conduction pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of smelting acid making exhaust gas oxidation zinc desulfurizer, including at tail gas
It manages device 1, zinc oxide storage chamber 3, match stock tank 4, desulfurizing tower 5 and slurry tank 22, zinc oxide feeding inlet 2 and the zinc oxide store
Chamber 3 is connected to, and stock tank 4 is matched in setting below the zinc oxide storage chamber 3, and the zinc oxide storage chamber 3 is connected to described with stock tank 4,
In 5 upper surface middle position of desulfurizing tower, the exhaust gas processing device 1 is filtered including active carbon for the setting of exhaust gas processing device 1
Activated charcoal strainer 24, institute is arranged in net 24, exhaust fan 25 and flue gas conduction pipe 26,1 middle position of exhaust gas processing device
The setting for stating activated charcoal strainer 24, which can be realized, adequately filters the flue gas being discharged in the exhaust gas processing device 1,
1 bottom of exhaust gas processing device is arranged multiple flue gas conduction pipes 26, the flue gas conduction pipe 26 far from the tail gas at
It is connected at the top of reason 1 one end of device and the desulfurizing tower 5, exhaust fan 25, the pumping is fixedly installed on the right side of the exhaust gas processing device 1
The setting of blower 25, which can be realized, is pumped into the flue gas in the desulfurizing tower 5 in the exhaust gas processing device 1, realizes to flue gas
It handles, two technique sprinkler heads 6 is symmetrical arranged at the top of the desulfurizing tower 5, the technique sprinkler head 6 can be into the desulfurizing tower 5
Process water is allotted, annular water storage cavity 7, the annular water storage cavity 7 and the work is fixedly installed in the 5 side wall upper part outer of desulfurizing tower
Skill sprinkler head 6 is connected to, the annular 7 right side wall middle position Joining Technology water diversion pipe 8 of water storage cavity, the process water diversion pipe
8, far from stock tank 4 is matched described in annular 7 one end of water storage cavity connection, go back mounting process water booster pump on the process water diversion pipe 8
9, it is located at 5 top of desulfurizing tower, and be arranged below the technique sprinkler head 6 and two rows of zinc oxide slurries disposed in parallel are installed
Spray head 10, the spacing between the adjacent zinc oxide slurries spray head 10 are set as 40-50cm, and 5 left side of desulfurizing tower is intermediate
Annular header box 11 is installed in position, and 11 right side wall of the annular header box passes through two sides up and down with the zinc oxide slurries spray head 10
The connection of slurries diversion branch pipe, and installation is discharged into pump 12,11 left side wall middle position of the annular header box in slurries diversion branch pipe
It is fixedly connected with circulating line 13, the circulating line 13 is fixedly connected with the desulfurizing tower 5 far from 11 one end of the annular header box
Bottom left position, and circulating pump 14 is installed on the circulating line 13, air compressor machine is installed in the 5 lower section middle position of desulfurizing tower
19,19 two sidewalls of air compressor machine are connected to gas-guide tube 18, and the gas-guide tube 18 is far from described 19 one end of air compressor machine through described de-
5 side wall of sulphur tower, and connect with mixing air hose 17, the inclination of mixing air hose 17 is symmetricly set on 5 bottom of desulfurizing tower, and
17 tilt angle of mixing air hose is set as 10-50 °, and 17 side wall of mixing air hose is uniformly arranged multiple gas vents, described
The setting of mixing air hose 17, which can be realized, discharges the air into 5 bottom of desulfurizing tower, and then avoids 5 bottom slurry of desulfurizing tower
Deposition, influence normal desulfurization；5 bottom surface of desulfurizing tower is symmetrically welded two filtrate diversion pipes 20, the filtrate water conservancy diversion
Pipe 20 is fixedly connected with slurry tank 22 far from described 5 one end of desulfurizing tower, and orientation is arranged under the desulfurizing tower 5 in the slurry tank 22
It sets, filter pressing pump 21,22 lower surface middle position of the slurry tank installation filtrate filter residue separation is installed on the filtrate diversion pipe 20
Case 23, described with zinc sulfate filtrate inlet tube 15 is connected on the left of stock tank 4, installation slurries pump on the zinc sulfate filtrate inlet tube 15
16, the zinc sulfate filtrate inlet tube 15 is fixedly connected with 5 side wall middle position of desulfurizing tower with 4 one end of stock tank far from described.
A kind of smelting acid making exhaust gas oxidation zinc sulfur method, includes the following steps：
1）The preparation of zinc oxide desulfurization slurries：Zinc-oxide calcine or zinc oxide fumes are delivered to zinc oxide by pneumatic conveying mode
In storage chamber 3, then by zinc oxide storage chamber 3 zinc-oxide calcine or zinc oxide fumes be transmitted to and matched by belt feeder
In stock tank 4, by process water diversion pipe 8 and zinc sulfate filtrate inlet tube 15 with addition zinc sulfate filtrate and technique in stock tank 4
Water is configured to the zinc oxide desulfurization slurries that solid content is circulating pump 14- gas-guide tube 18% after mixing evenly, will by slurries pump 16
Zinc oxide desulfurization slurries are squeezed into desulfurizing tower 5；
2）Desulfurization absorbing reaction：Flue gas during smelting enters in desulfurizing tower 5, opens the circulating pump 14 on circulating line 13, and zinc oxide is de-
Sulphur slurries are sprayed from zinc oxide slurries spray head 10, and are inversely contacted with flue gas, and the zinc oxide after react with flue gas during smelting takes off
Sulphur slurries return in circulating line 13, and are recycled under the circulating pump 14 effect；
3）Zinc oxide desulfurization slurries strengthen stirring：In zinc oxide desulfurization serum recycle desulfurization, air compressor machine 19, the pneumatics are opened
Machine 19 is passed through serious air into the mixing air hose 17 by gas-guide tube 18, finally realizes to 5 bottom of desulfurizing tower
The purpose of ventilation realizes the reinforcing stirring of zinc oxide desulfurization slurries while improving the oxidation of desulfurization product zinc sulfite；
4）Desulfurization product processing：After the liquid level in desulfurizing tower 5 reaches setting value, by zinc oxide slurries circulating slot zinc oxide slurries
Zinc oxide desulfurization slurries in spray head 10 are discharged in filtrate diversion pipe 20, then will be in filtrate diversion pipe 20 by filter pressing pump 21
Zinc oxide desulfurization slurries are delivered in slurry tank 22, are carried out filters pressing to zinc oxide desulfurization slurries in slurry tank 22, are filtered after filters pressing
Liquid Zn2+ concentration be lower than 60g/L when, into match stock tank 4, filtrate Zn after filters pressing2+Concentration is sent into when being more than or equal to 60g/L and leaches system
System, filter residue recycle；
5）Fume treatment：Step 2）The flue gas of middle discharge is extracted out by the exhaust fan 25, and passes through the flue gas conduction pipe 26
It flows into the exhaust gas processing device 1, the activated charcoal strainer 24 is filtered flue gas, the flue gas quilt of filtered cleaning
Discharge；
6）Process water rinses：In flue gas during smelting treatment process, process water enters in annular water storage cavity 7 and by technique sprinkler head 6
Side wall in desulfurizing tower 5 is rinsed,
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, and do not carrying on the back
In the case where from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter from which
From the point of view of a bit, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is wanted by appended right
Ask rather than above description limit, it is intended that by all changes that come within the meaning and range of equivalency of the claims
It is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of smelting acid making exhaust gas oxidation zinc desulfurizer, which is characterized in that including exhaust gas processing device（1）, zinc oxide storage
Deposit chamber（3）, match stock tank（4）, desulfurizing tower（5）And slurry tank（22）, zinc oxide feeding inlet（2）With the zinc oxide storage chamber（3）
Connection, the zinc oxide storage chamber（3）Stock tank is matched in lower section setting（4）, the zinc oxide storage chamber（3）Match stock tank with described（4）
Connection, the exhaust gas processing device（1）It is arranged in desulfurizing tower（5）Upper surface middle position, the desulfurizing tower（5）Top is symmetrically set
Set two technique sprinkler heads（6）, it is located at the desulfurizing tower（5）Top, and be arranged in the technique sprinkler head（6）Lower section installation two
Arrange zinc oxide slurries spray head disposed in parallel（10）, the desulfurizing tower（5）Lower section middle position is installed by air compressor machine（19）, the sky
Press（19）Two sidewalls are connected to gas-guide tube（18）, the gas-guide tube（18）Far from the air compressor machine（19）The desulfurization is run through in one end
Tower（5）Side wall, and with mix air hose（17）Connection.
2. smelting acid making exhaust gas oxidation zinc desulfurizer according to claim 1, which is characterized in that the vent gas treatment dress
It sets（1）Including activated charcoal strainer（24）, exhaust fan（25）With flue gas conduction pipe（26）, the exhaust gas processing device（1）In
Meta position installs activated charcoal strainer（24）, the exhaust gas processing device（1）Multiple flue gas conduction pipes are arranged in bottom（26）, institute
State flue gas conduction pipe（26）Far from the exhaust gas processing device（1）One end and the desulfurizing tower（5）Top connection, the tail gas
Processing unit（1）Exhaust fan is fixedly installed in right side（25）.
3. smelting acid making exhaust gas oxidation zinc desulfurizer according to claim 1, which is characterized in that the desulfurizing tower（5）
Annular water storage cavity is fixedly installed in side wall upper part outer（7）, the annular water storage cavity（7）With the technique sprinkler head（6）Connection, institute
State annular water storage cavity（7）Right side wall middle position Joining Technology water diversion pipe（8）.
4. smelting acid making exhaust gas oxidation zinc desulfurizer according to claim 1 or 3, which is characterized in that the process water
Diversion pipe（8）Far from the annular water storage cavity（7）One end connection is described to match stock tank（4）, the process water diversion pipe（8）On also pacify
Fill process water booster pump（9）.
5. smelting acid making exhaust gas oxidation zinc desulfurizer according to claim 1, which is characterized in that the adjacent oxidation
Zinc slurries spray head（10）Between spacing be set as 40-50cm, the desulfurizing tower（5）Left side middle position is installed by annular header box
（11）, the annular header box（11）Two sides and the zinc oxide slurries spray head above and below right side wall（10）Pass through slurries diversion branch pipe
Connection, and installation is discharged into pump in slurries diversion branch pipe（12）.
6. smelting acid making exhaust gas oxidation zinc desulfurizer according to claim 1 or 5, which is characterized in that the annular is converged
Flow case（11）Left side wall middle position is fixedly connected with circulating line（13）, the circulating line（13）Far from the annular header box
（11）One end is fixedly connected with the desulfurizing tower（5）Bottom left position, and the circulating line（13）Upper installation circulating pump（14）.
7. smelting acid making exhaust gas oxidation zinc desulfurizer according to claim 1 and method, which is characterized in that the mixing
Air hose（17）Inclination is symmetricly set on the desulfurizing tower（5）Bottom, and the mixing air hose（17）Tilt angle is 10-50 °, institute
State mixing air hose（17）Side wall is uniformly arranged multiple gas vents.
8. smelting acid making exhaust gas oxidation zinc desulfurizer according to claim 1, it is characterised in that；The desulfurizing tower（5）
Bottom surface is symmetrically welded two filtrate diversion pipes（20）, the filtrate diversion pipe（20）Far from the desulfurizing tower（5）One end is fixed
Connect slurry tank（22）, the slurry tank（22）It is arranged in the desulfurizing tower（5）Lower position, the filtrate diversion pipe（20）On
Filter pressing pump is installed（21）, the slurry tank（22）Lower surface middle position is installed by filtrate filter residue separator box（23）, described to match stock tank
（4）Left side connects zinc sulfate filtrate inlet tube（15）, the zinc sulfate filtrate inlet tube（15）Upper installation slurries pump（16）, described
Zinc sulfate filtrate inlet tube（15）Match stock tank far from described（4）One end is fixedly connected with desulfurizing tower（5）Side wall middle position.
9. a kind of smelting acid making exhaust gas oxidation zinc sulfur method a method as claimed in any one of claims 1-8, includes the following steps：
1）The preparation of zinc oxide desulfurization slurries：Zinc-oxide calcine or zinc oxide fumes are delivered to zinc oxide by pneumatic conveying mode
Storage chamber（3）It is interior, then by zinc oxide storage chamber（3）In zinc-oxide calcine or zinc oxide fumes pass through belt feeder transmit
To with stock tank（4）In, pass through process water diversion pipe（8）With zinc sulfate filtrate inlet tube（15）Matching stock tank（4）Middle addition sulfuric acid
Zinc filtrate and process water, being configured to solid content after mixing evenly is circulating pump（14）Gas-guide tube（18）The zinc oxide desulfurization of % is starched
Liquid is pumped by slurries（16）Zinc oxide desulfurization slurries are squeezed into desulfurizing tower（5）In；
2）Desulfurization absorbing reaction：Flue gas during smelting enters desulfurizing tower（5）It is interior, open circulating line（13）On circulating pump（14）, oxygen
Change zinc desulfurization slurry from zinc oxide slurries spray head（10）It sprays, and is inversely contacted with flue gas, and after being reacted with flue gas during smelting
Zinc oxide desulfurization slurries return to circulating line（13）It is interior, and in the circulating pump（14）Effect is lower to be recycled；
3）Zinc oxide desulfurization slurries strengthen stirring：In zinc oxide desulfurization serum recycle desulfurization, air compressor machine is opened（19）, the sky
Press（19）Pass through gas-guide tube（18）To the mixing air hose（17）It is inside passed through serious air, is finally realized to the desulfurization
Tower（5）The purpose of bottom ventilation realizes the strong of zinc oxide desulfurization slurries while improving the oxidation of desulfurization product zinc sulfite
Change stirring；
4）Desulfurization product processing：Work as desulfurizing tower（5）After interior liquid level reaches setting value, by zinc oxide slurries circulating slot zinc oxide paste
Liquid spray head（10）Interior zinc oxide desulfurization slurries are discharged to filtrate diversion pipe（20）In, then pass through filter pressing pump（21）By filtrate water conservancy diversion
Pipe（20）In zinc oxide desulfurization slurries be delivered to slurry tank（22）In, in slurry tank（22）It is interior that zinc oxide desulfurization slurries are carried out
Filters pressing, filtrate Zn after filters pressing2+When concentration is lower than 60g/L, into stock tank（4）, filtrate Zn after filters pressing2+Concentration is more than or equal to
Leaching system is sent into when 60g/L, filter residue recycles；
5）Fume treatment：Step 2）The flue gas of middle discharge is by the exhaust fan（25）Extraction, and pass through the flue gas conduction pipe
（26）Flow into the exhaust gas processing device（1）It is interior, the activated charcoal strainer（24）Flue gas is filtered；Filtered cleaning
Flue gas be discharged；
6）Process water rinses：In flue gas during smelting treatment process, process water enters annular water storage cavity（7）In and pass through technique sprinkler head
（6）To desulfurizing tower（5）Interior side wall is rinsed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744091.8A CN108816033A (en) | 2018-07-09 | 2018-07-09 | A kind of smelting acid making exhaust gas oxidation zinc desulfurizer and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744091.8A CN108816033A (en) | 2018-07-09 | 2018-07-09 | A kind of smelting acid making exhaust gas oxidation zinc desulfurizer and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108816033A true CN108816033A (en) | 2018-11-16 |
Family
ID=64136490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744091.8A Pending CN108816033A (en) | 2018-07-09 | 2018-07-09 | A kind of smelting acid making exhaust gas oxidation zinc desulfurizer and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108816033A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2641268A1 (en) * | 1989-01-05 | 1990-07-06 | Bruggemann Kg L | ZINC OXIDE, ZINC CARBONATE AND BASIC ZINC CARBONATE, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF |
| CN102580486A (en) * | 2012-02-28 | 2012-07-18 | 浙江南化防腐设备有限公司 | Novel zinc oxide desulfurization method and device |
| CN103349902A (en) * | 2013-06-14 | 2013-10-16 | 中国恩菲工程技术有限公司 | Flue gas processing method |
| CN106345263A (en) * | 2016-10-27 | 2017-01-25 | 中国环境科学研究院 | System and method for flue gas desulfurization |
| CN206762516U (en) * | 2017-02-24 | 2017-12-19 | 北京航天长征飞行器研究所 | A kind of current divider and air washing humidifying and purifying device |
| CN108014619A (en) * | 2017-11-27 | 2018-05-11 | 西北矿冶研究院 | Zinc oxide desulfurization device and method for tail gas generated in acid making through smelting |
-
2018
- 2018-07-09 CN CN201810744091.8A patent/CN108816033A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2641268A1 (en) * | 1989-01-05 | 1990-07-06 | Bruggemann Kg L | ZINC OXIDE, ZINC CARBONATE AND BASIC ZINC CARBONATE, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF |
| CN102580486A (en) * | 2012-02-28 | 2012-07-18 | 浙江南化防腐设备有限公司 | Novel zinc oxide desulfurization method and device |
| CN103349902A (en) * | 2013-06-14 | 2013-10-16 | 中国恩菲工程技术有限公司 | Flue gas processing method |
| CN106345263A (en) * | 2016-10-27 | 2017-01-25 | 中国环境科学研究院 | System and method for flue gas desulfurization |
| CN206762516U (en) * | 2017-02-24 | 2017-12-19 | 北京航天长征飞行器研究所 | A kind of current divider and air washing humidifying and purifying device |
| CN108014619A (en) * | 2017-11-27 | 2018-05-11 | 西北矿冶研究院 | Zinc oxide desulfurization device and method for tail gas generated in acid making through smelting |
Non-Patent Citations (1)
| Title |
|---|
| 刘海波: "《中国实用专利技术项目选编》", 30 September 1998, 中国对外经济贸易出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101254393B (en) | Method and device for secondary zinc oxide slurry treating light concentration SO2 flue gas | |
| CN108014619A (en) | Zinc oxide desulfurization device and method for tail gas generated in acid making through smelting | |
| CN108193047B (en) | With the method for the manganese sulfate solution of anolyte manganous dithionate low with slurries desulfurization system prepared by manganese ore | |
| CN110064266A (en) | Vanadium trioxide produces tail gas dust cleaning apparatus | |
| CN108640142A (en) | The method that successive reaction produces calcium chloride solution | |
| CN106334442A (en) | Liquid-phase desulphurization device and method for electrolytic aluminum flue gas | |
| CN108816033A (en) | A kind of smelting acid making exhaust gas oxidation zinc desulfurizer and method | |
| JP4116094B2 (en) | Method for removing gaseous mercury element from gas | |
| CN104174262B (en) | Internal-external water circulation system and technique for flue gas desulfurization | |
| CN206996259U (en) | A kind of spuious flue gas during smelting wet dedusting of atm number, desulphurization system | |
| CN109896667A (en) | A kind of magnesium oxide method desulfurization wastewater zero-discharge technology and its equipment | |
| CN114768498A (en) | Magnesium desulfurization system and method | |
| CN108939896A (en) | Waste heat boiler water desulfurization device and method | |
| CN107149868A (en) | A kind of copper metallurgy process middle ring collection flue gas processing device and method | |
| CN207371342U (en) | Desulfurization and dedusting formula flue gas processing device | |
| CN104226101A (en) | Slurry circulation process based on SDA process desulfurization system | |
| CN205988673U (en) | A kind of ore pulp processes the high effective desulphurization device of sulfur dioxide flue gas | |
| CN210261917U (en) | Device for extracting nickel from nickel electrolytic copper slag | |
| CN207941388U (en) | A kind of energy-saving desulfuration device of automatic control system | |
| CN103349901A (en) | Flue gas processing method and device thereof | |
| CN209123883U (en) | A kind of polymerization iron sulfate water-purifying agent reaction kettle | |
| CN209019991U (en) | Wet desulphurization filtration system | |
| CN203370453U (en) | Fume treatment equipment | |
| CN205965373U (en) | Whirlwind dust removal wet desulfurization device | |
| CN201648192U (en) | Anode mud treatment equipment and air-flotation tank thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |
|
| RJ01 | Rejection of invention patent application after publication |