CN109045989A - A kind of zinc oxide desulfurization new process - Google Patents
A kind of zinc oxide desulfurization new process Download PDFInfo
- Publication number
- CN109045989A CN109045989A CN201811027342.7A CN201811027342A CN109045989A CN 109045989 A CN109045989 A CN 109045989A CN 201811027342 A CN201811027342 A CN 201811027342A CN 109045989 A CN109045989 A CN 109045989A
- Authority
- CN
- China
- Prior art keywords
- zinc oxide
- thionizer
- actuated
- new process
- zinc
- 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
- 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
-
- 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
Landscapes
- 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)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of zinc oxide desulfurization new processes, by the way that traditional reduction furnace and fuming furnace are shared one multiphase Air-actuated thionizer of construction, and the zinc oxide for using fuming furnace to generate is as desulfurizing agent, desulfurizing agent can also be sent to electrowinning zinc workshop after filters pressing and use as raw material, accomplished comprehensive resource utilization rate, reduce energy consumption and carried out the important measure that cleaning is smelted；And the present invention carries out independent desulfurization to inner flue gas of the stove using advanced technologies, has the characteristics that process flow is short, processing charges is low, comprehensive utilization of resources, zinc oxide desulfurization new process disclosed in this invention has good popularization exemplary role in industry.
Description
Technical field
The invention belongs to flue gas desulfurization technique field more particularly to a kind of zinc oxide desulfurization new processes.
Background technique
Lead-zinc smelting can generate a large amount of exhaust gas in the process of production and processing, and therefore, how smelting enterprise, which is reduced, produced
How exhaust gas discharge in journey, carry out exhaust gas control emission, reduce the pollution to environment, create good production and living environment,
The sustainable development for realizing enterprise, becomes the project that each smelting enterprise will face.By continuing to optimize production technology, drop
Low energy consumption and consumption of raw materials, and it is positive take effective administering method, carry out the improvement and recycling of exhaust gas, exhaust gas carried out comprehensive
It closes and administers, solve exhaust emission and waste, be effective way of the current smelting enterprise in exhaust gas discharge.
The exhaust gas constituents of smelting enterprise are complicated, and different exhaust gas should also take different control measures, as far as possible may be used
It is recycled using ingredient, the pollution to environment is reduced with this, improve resource utilization, while the improvement of exhaust gas will be from subtracting
Few discharge and qualified discharge take scientific and reasonable measure to synchronize improvement.
What reduction furnace and fuming furnace sulfur method were taken is the wet type desulfurizing technique that lime method adds piece alkali at present, and operation is basic
Stablize, but due to the environmental pollution form very severe in current China, national environmental protection policy discharges formulation standard to atmosphere
Increasingly tighter, in conjunction with the status of current smelting industry, developing the new wet desulfurizing process of one kind becomes urgent need.
Therefore, a kind of simple process how is provided, the Zinc oxide desulfuration technology that low energy consumption and desulfuration efficiency is high is this field
The problem of technical staff's urgent need to resolve.
Summary of the invention
In view of this, the present invention aiming at the problems existing in the prior art, provides a kind of zinc oxide desulfurization new process.
To achieve the goals above, technical scheme is as follows:
A kind of zinc oxide desulfurization new process, which is characterized in that the process equipment include multiphase Air-actuated thionizer, with it is described
The wet type electrostatic precipitator of the side port connection of multiphase Air-actuated thionizer is successively followed with what the bottom of the multiphase Air-actuated thionizer was connect
Cisterna ambiens, cyclone and filter press, wherein be connected with slurrying pond in one end of the circulatory pool；
The zinc oxide desulfurization new process, specifically comprises the following steps:
(1) absorbing reaction process: using zinc oxide and lead oxide as doctor solution, in multiphase Air-actuated thionizer with sulfur-bearing cigarette
The circulation of vital energy in the wrong direction absorbs the sulfur dioxide in flue gas to contact；
Absorption process is that the water in doctor solution is reacted with sulfur dioxide, generates sulfurous aqueous acid；Subsequent sulfurous acid is water-soluble
Liquid is reacted with zinc oxide, the lead oxide in doctor solution respectively, obtains zinc sulfite precipitating, lead sulfite precipitating and water；
(2) cyclic process: by step (1) treated purifying smoke through wet type electrostatic precipitator qualified discharge, and through step
(1) mixed liquor that reaction generates and the slurries being pumped into outside tower mix in circulatory pool, and the doctor solution as step (1) is transported to
The multiphase Air-actuated thionizer starts next circulation；
(3) filter process: after the solid content of slurries reaches 5~7% inside circulatory pool, the slurries in circulatory pool are through underflow
Cyclone is carried out after pump pressurization, is returned in multiphase Air-actuated thionizer through the isolated overflowing liquid of cyclone, bottom slurry is through pressing
The filter cake that filter obtains send to electrowinning zinc workshop and obtains zinc oxide through electrolysis, can be used as raw material use.
In above-described Zinc oxide desulfuration technology, the chemical equation mainly occurred is as follows:
Main chemical reactions equation is as follows:
The dissociation of water: H2O→H++OH-
SO2Absorption: SO2+H2O→H2SO3
Neutralization reaction: PbO+H2SO3→PbSO3↓+H2O
ZnO+H2SO3→ZnSO3↓+H2O
Flue gas enters multiphase Pneumatic desulphurization top of tower by flue, and circulating pump is sent into multiphase gas through the doctor solution in circulatory pool
The top of dynamic desulfurizing tower, gas-liquid co-current contact, and under the action of multiphase Air-actuated thionizer on-board components, doctor solution is constantly formed
Moisture film, water mist, water curtain so that flue gas and doctor solution come into full contact with reaction, the zinc oxide in sulfur dioxide and slurries in flue gas,
Lead oxide reaction generates zinc sulfite precipitating and lead sulfite precipitating respectively, and the purifying smoke of scrubbing CO_2 enters wet type electricity
Demister removes the moisture in flue gas, and is sent to smoke stack emission, and doctor solution falls into circulatory pool and is pumped into desulfurizing tower by circulating pump
It is recycled.
When the solid content of slurries in circulatory pool reaches 5~7%, filters pressing in filter press is just pumped by filter pressing pump, filtrate returns
The slurrying of slurrying pond, filter residue are then sent to the processing of electrowinning zinc workshop.
By using above-mentioned technical proposal, beneficial effects of the present invention are as follows:
For the present invention using the zinc oxide that fuming furnace generates as desulfurizing agent, desulfurizing agent can also be sent to electrowinning zinc vehicle after filters pressing
Between uses as raw material, accomplished comprehensive utilization of resources, reduce energy consumption and carried out the important measure of cleaning smelting.Multiphase pneumatically takes off
Flue gas in sulphur tower may be implemented special limit value discharge, reduce the discharge amount of atmosphere pollution after individually purifying.
In addition, desulfurizing tower uses multiphase Air-actuated thionizer, hydrodynamics and aerodynamic principle is cleverly utilized, allows
Gas-solid-liquid three-phase obtains coming into full contact with for a long time, and desulfuration efficiency is high.And the desulfurizing tower is not blocked with not burn into, non-scaling, resistance
The features such as power is small, low energy consumption, and the claimed Zinc oxide desulfuration technology of the present invention is stable, improvement is simple thorough,
Middle desulfuration efficiency reaches 99.17% or more, concentration≤50mg/Nm of exit SO23。
Preferably, in step (1), the air haptoreaction blasted outside the zinc sulfite precipitating and tower, part generates sulphur
Sour zinc precipitating.
Preferably, the pH in the multiphase Air-actuated thionizer is controlled between 4.5~5.5.
Inventor is controlled liquid pH in multiphase Air-actuated thionizer between 4.5~5.5 by creative test, so as to height
Sulfur dioxide gas in effect removing flue gas.
Preferably, the series of the multiphase Air-actuated thionizer is N, N >=2 grade.
Pre- desulfurization fume first enters in first grade desulfurizing tower in the present invention, with the circulation fluid adverse current sprayed from top of tower
Contact, temperature reduces after flue gas is processed, and close to saturation, subsequent flue gas enters in the middle part of two-grade desulfurizing tower water content, and from tower top
Spray contains zinc oxide
Preferably, in step (3), crude zinc oxide materials and the filtrate obtained through filter press are mixed to get slurry in slurrying pond
Liquid, and the slurries are pumped into circulatory pool and are transported in multiphase Air-actuated thionizer as doctor solution.
Preferably, the main component of the doctor solution be lead oxide and zinc oxide, and the content of the zinc oxide be 50~
65%, the content of the lead oxide is 10~15%.
Main component-zinc oxide in the doctor solution that the present invention uses is from the self-produced pipeline ash of fuming furnace, wherein fuming
Journey is a kind of process of reduction volatilization, is that air and fine coal are blown into fuming furnace in clinker, the oxygen that will dissociate in compound
Change the steam that zinc and lead oxide are reduced into zinc and lead, rise to the upper space of stove, encounters what carbon dioxide and being absorbed into came
Air is oxidized to zinc oxide and lead oxide once again, and by it with flue dust state collection.
Preferably, the multiphase Air-actuated thionizer uses macromolecule material, and is made with integral forming technique.
Multiphase Air-actuated thionizer in the present invention can be good to flue gas desulfurization containing chlorine, and material has the corrosion resistant of superelevation resistance to
The property and long service life of mill, structure is simple, the moving components such as no spray head non-scaling, a little repair, long service life.Greatly
Raising capacity utilization, reduce because maintenance influence production economic loss, reduce the expense of maintenance and maintenance.
The sides such as multiphase Air-actuated thionizer has fully considered that energy exchange is reasonable, and chemical reaction is advantageous and energy consumption is saved
Face, using in absorption system flue gas heat power, slurries self gravity, slurries and flue gas speed difference etc. all using because
Element forms a self-regulated steam curtain structure in desulfurizing tower, not by any type of spray head and additional energy consumption, and reaches
The effect sufficiently reacted to flue gas with absorption slurries.
It can be seen via above technical scheme that compared with prior art, the present invention provides a kind of new works of zinc oxide desulfurization
Skill, by the way that traditional reduction furnace and fuming furnace are shared one multiphase Air-actuated thionizer of construction, and the oxidation generated using fuming furnace
As desulfurizing agent, desulfurizing agent can also be sent to electrowinning zinc workshop after filters pressing and use as raw material zinc, accomplish resource comprehensive benefit
With rate, reduces energy consumption and carry out the important measure that cleaning is smelted；And the present invention carries out list to inner flue gas of the stove using advanced technologies
Only desulfurization has the characteristics that process flow is short, processing charges is low, comprehensive utilization of resources, zinc oxide desulfurization disclosed in this invention
New process has good popularization exemplary role in industry.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is Zinc oxide desulfuration technology flow chart of the present invention.
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.
The embodiment of the invention discloses a kind of zinc oxide desulfurization new process, not only simple process, low energy consumption, but also desulfurization is imitated
Rate is high, and the technique has the characteristics that process flow is short, processing charges is low, comprehensive utilization of resources, has in industry good
Promote exemplary role.
For a better understanding of the invention, further specific elaboration is made to the present invention below by following embodiment, but not
It can be regarded as limitation of the invention, it is some nonessential according to made by foregoing invention content for those skilled in the art
It improves and adjusts, be also considered as and be within the scope of the present invention.
The invention discloses a kind of zinc oxide desulfurization new process, process equipment includes multiphase Air-actuated thionizer and multiphase gas
The wet type electrostatic precipitator of the side port connection of dynamic desulfurizing tower, circulatory pool, the eddy flow successively being connect with the bottom of multiphase Air-actuated thionizer
Device and filter press, wherein be connected with slurrying pond in one end of circulatory pool.
Referring to Figure of description 1, zinc oxide desulfurization new process specifically comprises the following steps:
Flue gas is entered at the top of desulfurizing tower by flue, and circulating pump is sent into multiphase Air-actuated thionizer through the desulfurizing agent in circulatory pool
Top, gas-liquid co-current contact, and under the action of multiphase Air-actuated thionizer on-board components, doctor solution constantly forms moisture film, water
So that flue gas and doctor solution come into full contact with reaction, the zinc oxide in sulfur dioxide and slurries, the lead oxide in flue gas are anti-for mist, water curtain
Zinc sulfite precipitating and lead sulfite precipitating should be generated respectively, and the purifying smoke of scrubbing CO_2 enters wet type electrostatic precipitator and removes
The moisture in flue gas is removed, and is sent to smoke stack emission, and doctor solution falls into circulatory pool is pumped into desulfurizing tower and is recycled by circulating pump.
After the solid content of slurries in circulatory pool reaches 5~7%, filters pressing in filter press is just pumped by filter pressing pump, filtrate is returned
The slurrying of slurrying pond is returned, filter residue is then sent to the processing of electrowinning zinc workshop.
In the following, technical solution of the present invention will be further detailed in conjunction with specific embodiments.
Embodiment 1
Zinc oxide desulfurization new process, specifically comprises the following steps:
Flue gas is entered at the top of desulfurizing tower by flue, and the desulfurizing agent in circulatory pool is sent into level-one and second level multiphase by circulating pump
The top of Air-actuated thionizer wherein maintaining pH value in tower is 5.0, and limits in desulfurizing agent containing 55% zinc oxide and 12% oxidation
Lead, pre- desulfurization fume first enter in first grade desulfurizing tower, and with the circulation fluid counter current contacting sprayed from top of tower, flue gas is located
Temperature reduces after reason, and close to saturation, subsequent flue gas enters in the middle part of two-grade desulfurizing tower water content, contains zinc oxide with what is sprayed from tower top
Slurries counter current contacting, to remove the sulfur dioxide gas in flue gas.
The purifying smoke of scrubbing CO_2 enters the moisture in wet type electrostatic precipitator removing flue gas, and is sent to chimney row
It puts, and the zinc sulfite slurries generated after zinc oxide slurries and sulfur dioxide gas precursor reactant fall into desulfurization tower bottom, and outside tower
The air haptoreaction blasted, partially generates soluble zinc sulfate, and the slurries sent to some other department from two desulfurizing towers initially enter underflow slot
It is interior, cyclone is entered after underflow pump pressurizes, overflowing liquid returns in tower, and bottom slurry, which enters in filter press, to be separated by solid-liquid separation,
Sediment in circulatory pool show that filter cake is sent to motor zinc workshop as raw material and uses through filter press filters pressing, and filtrate returns to slurrying
Pond moisturizing reuse.
Embodiment 2
A kind of zinc oxide desulfurization new process disclosed in the present embodiment compared with Example 1, the two main distinction are as follows: control
The pH of liquid is 4.8 in desulfurizing tower, other technological parameters are constant.
Embodiment 3
A kind of zinc oxide desulfurization new process disclosed in the present embodiment compared with Example 1, the two main distinction are as follows: control
The pH of liquid is 5.3 in desulfurizing tower, other technological parameters are constant.
Embodiment 4
A kind of zinc oxide desulfurization new process disclosed in the present embodiment compared with Example 1, the two main distinction are as follows: control
The pH of liquid is 6.0 in desulfurizing tower, other technological parameters are constant.
Embodiment 5
A kind of zinc oxide desulfurization new process disclosed in the present embodiment compared with Example 1, the two main distinction are as follows: limit
N=3 grades of the series of multiphase Air-actuated thionizer, other technological parameters are constant.
Embodiment 6
A kind of zinc oxide desulfurization new process disclosed in the present embodiment compared with Example 1, the two main distinction are as follows: limit
N=4 grades of the series of multiphase Air-actuated thionizer, other technological parameters are constant.
Embodiment 7
A kind of zinc oxide desulfurization new process disclosed in the present embodiment compared with Example 1, the two main distinction are as follows: desulfurization
Contain 60% zinc oxide and 13% lead oxide in agent, other technological parameters are constant.
Embodiment 8
A kind of zinc oxide desulfurization new process disclosed in the present embodiment compared with Example 1, the two main distinction are as follows: desulfurization
Contain 63% zinc oxide and 10% lead oxide in agent, other technological parameters are constant.
In addition, it is necessary to explanation,
Next, desulfurization process is carried out to simulated flue gas respectively with Zinc oxide desulfuration technology described in Examples 1 to 8,
And measure SO in the gas that wet type electrostatic precipitator is emptied through chimney2Concentration.Wherein, the constituent of the simulated flue gas is referring to table
One.Wherein SO2Concentration value 500mg/NM3=0.0175Vol, %
The constituent of one simulated flue gas of table
| Simulated flue gas | Simulated flue gas amount (Vol, %) |
| SO2 | 0.035 |
| CO2 | 13.265 |
| N2 | 80.2 |
| O2 | 6.5 |
Measurement result, as shown in Table 2
Two exit SO of table2Concentration
By two result of table it is found that Zinc oxide desulfuration technology disclosed by the invention is stable, it is simple thorough to administer, wherein taking off
Sulphur efficiency reaches 99.17% or more, exit SO2Concentration≤50mg/Nm3.And best desulfurizing tower internal liquid pH value is 4.5
Between~5.5, when pH value is 6 in tower, wet type electrostatic precipitator is through the SO in chimney vent gas2Concentration be 50mg/NM3, most
Whole desulfuration efficiency is 95%, hence it is evident that reduces desulfuration efficiency.In addition, the increase of the series N with multiphase Air-actuated thionizer, final de-
Sulphur efficiency improves, but synthesis desulfurating cost consideration, and the series of desulfurizing tower has a limiting value, and N=3 grade of optimal number of stages, at this point, taking off
Sulphur efficiency reaches 99.35%.And the Contents of Main Components of desulfurizing agent be also influence the final desulfuration efficiency of the present invention it is important because
Element, with the raising of zinc oxide content, desulfuration efficiency is increased, and desulfuration efficiency reaches 99.31%.
In conclusion in a kind of new process of zinc oxide desulfurization disclosed in this invention, optimal processing parameter are as follows: control is de-
Liquid pH is 5.3 in sulphur tower, and the group of N=3 grade of desulfurizing tower series and desulfurizing agent is as 63% zinc oxide and 10% lead oxide
Mixing.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of zinc oxide desulfurization new process, which is characterized in that the process equipment include multiphase Air-actuated thionizer, with it is described more
The wet type electrostatic precipitator of the side port connection of phase Air-actuated thionizer, the circulation successively being connect with the bottom of the multiphase Air-actuated thionizer
Pond, cyclone and filter press, wherein be connected with slurrying pond in one end of the circulatory pool；
The zinc oxide desulfurization new process, specifically comprises the following steps:
(1) absorbing reaction process: inverse with sulfur-containing smoke gas in multiphase Air-actuated thionizer using zinc oxide and lead oxide as doctor solution
To contact, the sulfur dioxide in flue gas is absorbed；
Absorption process is that the water in doctor solution is reacted with sulfur dioxide, generates sulfurous aqueous acid；Subsequent sulfurous aqueous acid point
It is not reacted with zinc oxide, the lead oxide in doctor solution, obtains zinc sulfite precipitating, lead sulfite precipitating and water；
(2) cyclic process: by step (1) treated purifying smoke through wet type electrostatic precipitator qualified discharge, and it is anti-through step (1)
The slurries being pumped into outside the mixed liquor that should be generated and tower mix in circulatory pool, and the doctor solution as step (1) be transported to it is described
Multiphase Air-actuated thionizer starts next circulation；
(3) filter process: after the solid content of slurries reaches 5~7% inside circulatory pool, the slurries in circulatory pool add through underflow pump
Cyclone is carried out after pressure, is returned in multiphase Air-actuated thionizer through the isolated overflowing liquid of cyclone, bottom slurry is through filter press
Obtained filter cake send to electrowinning zinc workshop and obtains zinc oxide through electrolysis, can be used as raw material use.
2. a kind of zinc oxide desulfurization new process according to claim 1, which is characterized in that in step (1), the sulfurous acid
The air haptoreaction blasted outside zinc precipitating and tower, part generate zinc sulfate precipitating.
3. a kind of zinc oxide desulfurization new process according to claim 2, which is characterized in that in the multiphase Air-actuated thionizer
PH control between 4.5~5.5.
4. a kind of zinc oxide desulfurization new process according to claim 3, which is characterized in that the multiphase Air-actuated thionizer
Series is N, N >=2 grade.
5. a kind of zinc oxide desulfurization new process according to claim 1, which is characterized in that in step (3), crude zinc oxide materials
Slurries are mixed to get in slurrying pond with the filtrate obtained through filter press, and the slurries are pumped into circulatory pool and convey as doctor solution
Into multiphase Air-actuated thionizer.
6. a kind of zinc oxide desulfurization new process according to claim 1, which is characterized in that the main component of the doctor solution
For lead oxide and zinc oxide, and the content of the zinc oxide is 50~65%, and the content of the lead oxide is 10~15%.
7. a kind of zinc oxide desulfurization new process according to claim 1, which is characterized in that the multiphase Air-actuated thionizer is adopted
It is made with macromolecule material, and with integral forming technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027342.7A CN109045989A (en) | 2018-09-04 | 2018-09-04 | A kind of zinc oxide desulfurization new process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027342.7A CN109045989A (en) | 2018-09-04 | 2018-09-04 | A kind of zinc oxide desulfurization new process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109045989A true CN109045989A (en) | 2018-12-21 |
Family
ID=64758477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811027342.7A Pending CN109045989A (en) | 2018-09-04 | 2018-09-04 | A kind of zinc oxide desulfurization new process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109045989A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467204A (en) * | 2019-08-19 | 2019-11-19 | 浙江华美新能源科技有限公司 | A kind of lithium hydroxide preparation system and technique |
| CN110813046A (en) * | 2019-11-29 | 2020-02-21 | 杨昆 | Double-circulation desulfurization device and desulfurization process |
| CN111850309A (en) * | 2020-07-23 | 2020-10-30 | 宝武集团环境资源科技有限公司 | Method and device for treating secondary zinc oxide dust |
| CN112510279A (en) * | 2019-09-16 | 2021-03-16 | 河南永续再生资源有限公司 | Regenerated lead smelting soot desulfurization process |
| CN114432821A (en) * | 2022-03-08 | 2022-05-06 | 广东长信精密设备有限公司 | Recovery system of tail gas containing particulate matters |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254393A (en) * | 2008-04-02 | 2008-09-03 | 河南豫光金铅股份有限公司 | Secondary zinc oxide slurry treating light concentration SO2 flue gas method and device thereof |
| CN203525553U (en) * | 2013-09-22 | 2014-04-09 | 彭军祥 | Multiphase pneumatic desulfurization tower |
| CN104084018A (en) * | 2013-04-01 | 2014-10-08 | 四川清源环境工程有限公司 | Method for recovering sulfur dioxide in sulfuric acid tail gas by nanometer zinc oxide |
| CN106110855A (en) * | 2016-06-27 | 2016-11-16 | 蒙自矿冶有限责任公司 | Utilize the method that zinc oxide fumes absorbs lead-zinc smelting high-concentration sulfur dioxide |
-
2018
- 2018-09-04 CN CN201811027342.7A patent/CN109045989A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254393A (en) * | 2008-04-02 | 2008-09-03 | 河南豫光金铅股份有限公司 | Secondary zinc oxide slurry treating light concentration SO2 flue gas method and device thereof |
| CN104084018A (en) * | 2013-04-01 | 2014-10-08 | 四川清源环境工程有限公司 | Method for recovering sulfur dioxide in sulfuric acid tail gas by nanometer zinc oxide |
| CN203525553U (en) * | 2013-09-22 | 2014-04-09 | 彭军祥 | Multiphase pneumatic desulfurization tower |
| CN106110855A (en) * | 2016-06-27 | 2016-11-16 | 蒙自矿冶有限责任公司 | Utilize the method that zinc oxide fumes absorbs lead-zinc smelting high-concentration sulfur dioxide |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467204A (en) * | 2019-08-19 | 2019-11-19 | 浙江华美新能源科技有限公司 | A kind of lithium hydroxide preparation system and technique |
| CN112510279A (en) * | 2019-09-16 | 2021-03-16 | 河南永续再生资源有限公司 | Regenerated lead smelting soot desulfurization process |
| CN110813046A (en) * | 2019-11-29 | 2020-02-21 | 杨昆 | Double-circulation desulfurization device and desulfurization process |
| CN111850309A (en) * | 2020-07-23 | 2020-10-30 | 宝武集团环境资源科技有限公司 | Method and device for treating secondary zinc oxide dust |
| CN114432821A (en) * | 2022-03-08 | 2022-05-06 | 广东长信精密设备有限公司 | Recovery system of tail gas containing particulate matters |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109045989A (en) | A kind of zinc oxide desulfurization new process | |
| CN100355485C (en) | Waste gas desulfurizing method with composite absorbant comprising pyrolusite and pH buffering agent | |
| CN103239982B (en) | Method for dedusting and desulfurizing catalytic-cracking oil refining regenerated flue gas | |
| CN103506001B (en) | A kind of sulfur method containing low concentration sulphur dioxide flue gas | |
| CN105854560A (en) | Flue gas desulfurization and denitration method | |
| CN103977689B (en) | Device and method for removing sulfur dioxide in smoke by two-step alkalifying reproducing and sodium sulfite method | |
| CN113856441B (en) | Ammonia desulfurization method and ammonia desulfurization apparatus | |
| CN102357337A (en) | Desulphurization technology through sodium-calcium dual-alkali method | |
| CN108159862A (en) | The technique that a kind of composite assistants strengthen low-temperature flue gas simultaneous SO_2 and NO removal | |
| CN104437046A (en) | Catalytic cracking flue gas desulfurization and dust removal process and desulfurization and dust removal device | |
| CN106621766A (en) | Method and system for removing SO3 from boiler flue gas by using desulfurization waste water | |
| CN103585869A (en) | Flue gas purifying method with recyclable alkali absorption liquid | |
| CN205461713U (en) | Super clean endless integrated device of organic catalysis of coal fired boiler flue gas low temperature | |
| CN105126564B (en) | The method and apparatus of flue gas and desulfurizing and denitrifying | |
| CN105771573A (en) | System and method for achieving low-temperature simultaneous desulfurization, denitration and dedusting of flue gas of gas-fired boiler | |
| CN203955028U (en) | The two circulation wet flue gas desulfurizers of concurrent-countercurrent list tower | |
| CN111792651B (en) | Device and method for preparing sulfite | |
| CN109157964A (en) | Viscose waste gas absorption system and method | |
| CN102000489A (en) | Wet desulfurizer for thermal power plant and desulfurization method thereof | |
| CN105709595A (en) | System and method for synchronously performing low-temperature denitration and desulfuration on coke oven smoke | |
| CN100558450C (en) | A kind of fume desulphurization method and device | |
| CN107970744A (en) | Sulfur dioxide and zinc sulfate method are recycled in aluminum sulfate/zinc oxide combination desulfurization at the same time | |
| CN106582246A (en) | Carbide slag wet-method flue gas simultaneous desulfurization and denitrification process | |
| CN106731631A (en) | Simultaneous desulfuration and denitration technique by wet flue gas method | |
| CN105080319B (en) | One kind reclaims NOxDesulphurization denitration co-producing sulfuric acid calcium pyroborate technique |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |