CN108499315A - Integrated apparatus and method for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal - Google Patents
Integrated apparatus and method for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal Download PDFInfo
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- CN108499315A CN108499315A CN201810284546.2A CN201810284546A CN108499315A CN 108499315 A CN108499315 A CN 108499315A CN 201810284546 A CN201810284546 A CN 201810284546A CN 108499315 A CN108499315 A CN 108499315A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/06—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/10—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
- B01D53/12—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents according to the "fluidised technique"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
- B01D2257/602—Mercury or mercury compounds
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Abstract
The present invention discloses a kind of integrated apparatus and its method for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal, including the tube bank of the inlet air stack being linked in sequence, heat exchanger, U-shaped flue, venturi, circulating fluid bed reactor and deduster, relieving haperacidity flue gas enters heat exchanger by inlet air stack, enter U-shaped pipe from top to bottom through heat exchanger, then enter venturi from bottom to top by U-shaped flue to restrain, fluidized-bed reactor is entered by venturi tube bank again, is most discharged afterwards through deduster dedusting.Flue-gas temperature, selective absorbing SO can be flexibly controlled according to flue gas acid dew point by the device3, while trapping the impurity such as dust, arsenic, fluorine, mercury, purification efficiency is high, it can be ensured that relieving haperacidity flue gas mass, system structure is simple, and floor space is small, by-product can direct utilization, non-secondary pollution.
Description
Technical field
The invention belongs to non-ferrous metal metallurgy oxysulfide flue gases purification fields, specially a kind of coloured for removing
The integrated apparatus of metal smelt relieving haperacidity sulfureous in flue gas oxide and heavy metal.
Background technology
Non-ferrous metal metallurgy flue gas usually contains the SO of high concentration2, while also containing a large amount of SO3, the pollutants such as heavy metal.
Traditional dynamic wave scrubbing purification techniques is low to the purification efficiency of the heavy metals such as mercury, while will produce a large amount of waste acid, mainly at
Containing arsenic, mercury, lead, zinc, copper etc., pollutant concentration is high for subpackage, belongs to high difficult strong acid waste water, and processing cost is high；And pass through
A large amount of acid mists are generated after washing, it is necessary to be purified to acid mist using electrostatic precipitator, complex process, equipment investment cost is high.
In the prior art, the dry cleaning technology of relieving haperacidity flue gas is not applied well, still with wet method removal methods
Based on.Patent of invention CN104841265 discloses a kind of nonferrous smelting relieving haperacidity sulfur trioxide in flue gas and heavy metal dry type removal methods,
Non-ferrous metal metallurgy flue gas successively tentatively recycles heat through high-temperature residual heat boiler, then by the dedusting of first order dust-extraction unit and absorption,
Smoke heat replacing device cools down, and efficiently traps SO3 and heavy metal and induces condensation part volatile heavy metal, then again by the second level
Dust-extraction unit trapping has adsorbed the absorbent of SO3 and heavy metal and with heavy metal existing for particulate form.This method can be realized from upper
Trip efficiently removes the heavy metal components in flue gas with SO3, reduces sulfuric acid concentration and content of beary metal in washes, reduces
Subsequent wash waste acid intractability, but SO in above-mentioned patent3It is that effect is adsorbed directly with absorbent Contact-sorption with gaseous state
Fruit is simultaneously bad, in addition, for SO2Removal efficiency it is relatively low, the oxysulfide in flue gas cannot be removed comprehensively.
Invention content
To overcome traditional relieving haperacidity flue gas wet scrubbing purification techniques system complex, thering is waste acid secondary pollution, collaboration to remove duplicate removal
The disadvantages such as Metal efficiency is low, the present invention propose a kind of for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal
Integrated apparatus, the integrated apparatus use several removal units sequential combination, can make full use of smelting byproducts oxygen
Change zinc, the by-product zinc sulfate of generation can directly send to electrowinning process production zinc ingot metal, have higher removal efficiency and stronger
Economy.
Technical scheme is as follows：
A kind of integrated apparatus for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal, including suitable
Inlet air stack, heat exchanger, U-shaped flue, venturi tube bank, circulating fluid bed reactor and the deduster of sequence connection, wherein described
Inlet air stack is equipped with sorbent injection device, and the inlet end of the circulating fluid bed reactor is configured with water atomization spray gun, institute
The bottom for stating deduster is equipped with ash bucket, and ash bucket is connected to the outlet end of U-shaped pipe, and U-shaped pipe and hopper bottom are additionally provided with outer row
Grey mouth；Relieving haperacidity flue gas enters heat exchanger by inlet air stack, enters U-shaped pipe from top to bottom through heat exchanger, then passes through U-shaped flue
Enter venturi from bottom to top to restrain, then fluidized-bed reactor is entered by venturi tube bank, is most discharged afterwards through deduster dedusting.
As a preferred embodiment, heat exchanger be pipe heat exchanger, plate heat exchanger or a combination thereof form.
As a preferred embodiment, venturi tube bank includes cylindrical barrel body, is fixed on the ash bucket of body centre and with ash
The multiple Venturi tubes being circumferentially arranged centered on bucket.
As a preferred embodiment, deduster selects bag filter, electric precipitator, ceramic pipe type deduster or metal
Any one of pipe precipitator.
As a preferred embodiment, the outlet end of U-shaped pipe is equipped with absorbent recycle feed mouth, and ash bucket is recycled with absorbent
Feed inlet is connected to by air flume, belt conveyer or Pneumatic conveying pipeline.
As a preferred embodiment, it is additionally provided with soot blower on the inlet air stack.
As a preferred embodiment, absorbent using in zinc oxide, iron oxide, aluminium oxide or calcium oxide any one or
It is several.
As a preferred embodiment, absorbent uses grain size for the nonferrous smelting intermediate product zinc oxide of 0.1-1mm
Particle.
Invention additionally discloses a kind of methods of removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal, use
Removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and a huge sum of money are carried out with the integrated apparatus described in above-mentioned any one
Belong to, specifically includes：
Relieving haperacidity flue gas enters heat exchanger cooling through inlet air stack, is cooling down simultaneously, by being sprayed into from sorbent injection device
Absorbent complete oxysulfide and heavy metal primary absorption；
Then enter U-shaped pipe from top to bottom, then venturi is entered by U-shaped flue from bottom to top and is restrained；
Enter circulating fluid bed reactor, in circulating fluid bed reactor, oxysulfide after flow through venturi accelerate (beamacceleration)
Efficient gas-solid fluidized state is formed with particulate absorbent, and continues temperature under the action of the atomized steam that water atomization spray gun sprays
Degree, to complete the second adsorption of oxysulfide and heavy metal；
Flue gas after ciculation fluidized reaction enters deduster, to detach the particle for including absorbent in relieving haperacidity flue gas
Object, obtained neat stress enter relieving haperacidity process, and the particulate matter comprising absorbent separated is back to U-shaped pipe and is recycled
Using or by deduster bottom outer ash discharging hole discharge.
As a preferred embodiment, the temperature after waste heat recovery and dedusting is 250-400 DEG C, contains SO2Concentration is 3%
Above relieving haperacidity flue gas is being reduced to 180 DEG C ± 20 DEG C after heat exchanger, and 140 DEG C are down to again after circulating fluid bed reactor
±10℃。
The invention has the advantages that：
(1) integrated apparatus is using flue gas controllable temperature, the recirculating fluidized bed of selective absorbing oxysulfide and heavy metal
Purification techniques can flexibly control flue-gas temperature according to by heat exchanger and circulating fluid bed reactor, choose specific absorb
Agent absorbs oxysulfide and heavy metal, while trapping the impurity such as dust, arsenic, fluorine, mercury by deduster, it is ensured that relieving haperacidity cigarette
Makings amount, by-product can direct utilization, non-secondary pollution avoids traditional wet washing, purifying technology and will produce largely
The shortcomings of acid water, synergistic purification heavy metal inefficient.
(2) integrated apparatus first completes the primary absorption of oxysulfide and heavy metal in heat exchanger, is then recycling
The second adsorption to oxysulfide and heavy metal is completed in fluidized-bed reactor, and the particulate absorbent separated is recovered to
In reactor cyclic absorption or send to potroom recycling, synergistic purification is efficient, and not will produce secondary pollution.
(3) integrated apparatus uses U-shaped flue, can realize being sufficiently mixed for flue gas and absorbent；Simultaneously U-shaped
Pipeline is followed by venturi tube bank, not only plays a part of to establish fluidized-bed layer, but also make the flow field in circulating fluid bed reactor
It is evenly distributed, is the key that obtain high removal efficiency；And in recirculating fluidized bed, the surface of absorbent granules is in collision process
It is constantly updated, also substantially increases the utilization rate of absorbent.
(4) SO in the integrated apparatus3Removing be by with water molecules formed H2SO4Steam, H2SO4Steam passes through
Homogeneous nucleation and the heterogeneous nucleation that particulate matter is the nuclei of condensation act on forming sulfuric acid aerosol particle, SO3Assimilation effect it is preferable,
It therefore, can very effective removing oxysulfide.
(5) integrated apparatus is suitable by heat exchanger, U-shaped flue, venturi tube bank, circulating fluid bed reactor and deduster
Sequence connects, and becomes one, simple in structure, floor space is small.
Description of the drawings
Fig. 1 is for removing SO in non-ferrous metal metallurgy relieving haperacidity flue gas3And the structural representation of the integrated apparatus of heavy metal
Figure；
Fig. 2 is the vertical view of venturi tube bank；
Fig. 3 is the structural schematic diagram of Venturi tube.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the specific implementation mode of the present invention.
As shown in Figure 1, the present embodiment discloses one kind for removing SO in non-ferrous metal metallurgy relieving haperacidity flue gas3And heavy metal
Integrated apparatus (abbreviation integrated apparatus), it is main to include the inlet air stack 16, heat exchanger 3, U-shaped flue 4, the Wen Qiu that are linked in sequence
In tube bank 6, circulating fluid bed reactor 7 and deduster 8, ripe welding technique can be passed through between each part mentioned above fix and connect
It connects, to form the integrated apparatus of circulation seal.Flue gas is entered by inlet air stack 16, enters U after passing through heat exchanger 3
Type flue 4 enters venturi tube bank 6 from bottom to top again after U-shaped flue 4, accelerates laggard fluidized beds by venturi tube bank 6
Reactor 7 most enters next process after 8 dedusting of deduster afterwards.
Wherein, pipe heat exchanger can be used in heat exchanger 3, and cooling medium is water, and flue-gas temperature is reduced to 180 DEG C or so.
The front end of heat exchanger 3, i.e. inlet air stack 16 are equipped with sorbent injection device 1, for absorbent to be sprayed into flue and cigarette
Gas mixes, while soot blower 2 is arranged and removes dust stratification, keeps flue unimpeded.
The integrated apparatus uses U-shaped flue 4, can realize being sufficiently mixed for flue gas and absorbent, to reach fully anti-
The effect answered is improved using reacting insufficient situation in the case of straight tube flue.
In conjunction with shown in Fig. 2 and Fig. 3, venturi tube bank 6 includes cylindrical barrel body 61, ash bucket 62 and Venturi tube 63, ash bucket 62
It is fixed on 61 center of cylinder, Venturi tube 63 is circumferentially arranged centered on ash bucket 62 and close to edge in cylinder 61.Wherein, ash bucket 62
Particulate matter for connecing the whereabouts of circulating fluid bed reactor 7, the particulate matter in the system failure in recirculating fluidized bed pass through ash bucket
62 enter U-shaped flue 4, are discharged from the outer ash discharging hole 5 of 4 bottom of U-shaped flue.Venturi tube 63 is four, is accelerated for flue gas,
Even gas flowfield distribution.Venturi tube 63 is by ingress pipe 631, expansion pipe 632 and connection ingress pipe 631 and expansion pipe 632
Trunnion 633 constitute.It should be noted that the quantity and size of Venturi tube 63 selection specifically can according to the size of cylinder come
It is fixed.
SO in flue gas3Easily H is formed with water molecules2SO4Steam, when flue-gas temperature is less than its acid dew point, H2SO4It steams
Vapour acts on forming sulfuric acid aerosol particle by homogeneous nucleation and particulate matter for the heterogeneous nucleation of the nuclei of condensation, compares gaseous state SO3
More easily absorbed by absorbent.In addition, using by-product zinc oxide in production is smelted, as absorbent, product is zinc sulfate, also
It can be directly as electrolysis raw material.In consideration of it, the present invention further removes SO using dry-type circulating fluidized bed3And heavy metal one
Change, traditional wet washing process is avoided to generate the secondary pollution of waste acid, while realizing oxysulfide and heavy metal contaminants collaboration
Purification.In circulating fluid bed reactor 7, flue gas makes solid particle be in suspended state by solid sorbent particles layer,
It goes forward side by side promoting the circulation of qi solid phase reaction, to reach the adsorbing and removing of oxysulfide and heavy metal.And it is in one in recirculating fluidized bed interior air-flow
The fierce turbulence state of kind, causes constantly to collide between particle, the surface of absorbent granules is made constantly to be updated, to
Substantially increase the utilization rate of absorbent.
The inlet end of circulating fluid bed reactor 7 is equipped with water atomization spray gun 71, specifically may be provided at venturi and restrains 6 tops
At 1-1.5m, the cone section wall perpendicular to circulating fluid bed reactor 7 is installed, and for being humidified to flue gas, strengthens absorbent to SO3's
Condensation absorbs and the attachment of heavy metal, and flue gas can be carried out it is quenched, i.e., by atomizing lance to circulating fluid bed reactor
Smoke temperature is down to 140 DEG C or so by interior water spray to adjust the temperature and humidity of flue gas.
Bag filter, electric precipitator, cyclone dust collectors, ceramic pipe type deduster or metal tube can be selected in deduster 8
Any one of formula deduster can realize the separation of flue gas and fine particle absorbent.
8 bottom of deduster is equipped with ash bucket 9, leads between the absorbent recycle feed mouth 41 of 4 outlet end of ash bucket 9 and U-shaped pipe
It crosses recirculation conduit 10 to be connected, can also will be absorbed by connections such as air flume, belt conveyer or Pneumatic conveying pipelines
Agent is accelerated after being sent into the recycle feed mouth 41 in 4 exit of U-shaped pipe by venturi tube bank 6, and recirculating fluidized bed is then entered back into
Reactor 7 carries out recycling.
U-shaped flue 4, dust collector ash hopper 9 bottom be equipped with outer ash discharging hole 5, for extra Desulphurization to be discharged.
Wherein, absorbent is sprayed by sorbent injection device 1 in integrated apparatus, and smelting intermediate product zinc oxide can be used
Grain, grain size 0.1-1mm.Since the integrated apparatus is suitable for non-ferrous metal metallurgy relieving haperacidity flue gas, zinc oxide is smelting process
Intermediate product, be easy to get.In addition, absorbent can also use iron oxide, aluminium oxide, calcium oxide etc..
The specific implementation method of the purification technique of the present invention is made specifically with reference to the integrated apparatus of the present embodiment
It is bright.
Embodiment disclose it is a kind of based on described in above-described embodiment for removing the oxidation of non-ferrous metal metallurgy relieving haperacidity flue gas sulphur
The purification technique of the integrated body device of object and heavy metal, includes the following steps：
It is 250~320 DEG C by the temperature of waste heat recovery and dedusting, contains SO2Relieving haperacidity flue gas of the concentration 3% or more, first
Being entered in heat exchanger 3 by inlet air stack 16 and is cooled down, smoke temperature is down to 180 DEG C or so, meanwhile, absorbent passes through sorbent injection
Device 1 realizes the absorption of the cooling and absorbent of flue gas to oxysulfide and heavy metal when entering in heat exchanger 3 after flue penetrating,
I.e. absorbent is completed at the same time the primary absorption of oxysulfide and heavy metal in flue gas cool-down；
Accelerate using the literary mound solenoid 63 in literary mound solenoid beam 6, subsequently into circulating fluid bed reactor 7；
In circulating fluid bed reactor 7, oxysulfide forms efficient gas-solid fluidized state with particulate absorbent, is being atomized
Under the action of steam, flue-gas temperature continues to drop to 140 DEG C or so by 180 DEG C or so, completes second adsorption, while by mercury, arsenic
Equal heavy metals adsorb together, and the flue gas for then passing through circulating fluid bed reactor 7 enters deduster 8；
Particulate matter in 8 separating flue of deduster, the neat stress after separation are sent into subsequent processing, and what is separated includes to inhale
The particulate matter of agent is received then by recirculation conduit 10 from recycle feed mouth 41 into venturi 6 cyclic absorptions of tube bank or by ash bucket
The outer ash discharging hole 5 of 9 bottoms is discharged.
The integrated apparatus can according to flexible control flue-gas temperature, selective absorbing oxysulfide, while trap dust,
The impurity such as arsenic, fluorine, mercury, it is ensured that relieving haperacidity flue gas mass, system structure is simple, and floor space is small, and by-product can direct recycling profit
With non-secondary pollution.
Finally, it is noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the present invention's
Form and details are modified or are replaced on an equal basis, without departing from spirit and model of the invention defined by appended the claims
It encloses.
Claims (10)
1. a kind of integrated apparatus for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal, feature exists
In, including the tube bank of the inlet air stack being linked in sequence, heat exchanger, U-shaped flue, venturi, circulating fluid bed reactor and deduster,
Wherein, the inlet air stack is equipped with sorbent injection device, and the inlet end of the circulating fluid bed reactor is configured with water mist
Change spray gun, the bottom of the deduster is equipped with ash bucket, and ash bucket is connected to the outlet end of U-shaped pipe, and U-shaped pipe and hopper bottom are also
Equipped with outer ash discharging hole；Relieving haperacidity flue gas enters heat exchanger by inlet air stack, enters U-shaped pipe from top to bottom through heat exchanger, then leads to
It crosses U-shaped flue and enters venturi tube bank from bottom to top, then fluidized-bed reactor is entered by venturi tube bank, most removed afterwards through deduster
Dirt is discharged.
2. integrated apparatus according to claim 1, which is characterized in that the heat exchanger is pipe heat exchanger, board-like changes
Hot device or a combination thereof form.
3. integrated apparatus according to claim 1, which is characterized in that it includes cylindrical barrel body that the venturi, which is restrained, solid
The multiple Venturi tubes for being scheduled on the ash bucket of body centre and being circumferentially arranged centered on ash bucket.
4. integrated apparatus according to claim 1, which is characterized in that the deduster selects bag filter, electricity to remove
Any one of dirt device, ceramic pipe type deduster or metal pipe type deduster.
5. integrated apparatus according to claim 1, which is characterized in that the outlet end of the U-shaped pipe is equipped with absorbent
Recycle feed mouth, ash bucket are connected to absorbent recycle feed mouth by air flume, belt conveyer or Pneumatic conveying pipeline.
6. integrated apparatus according to claim 1, which is characterized in that be additionally provided with soot blower on the inlet air stack.
7. integrated apparatus according to claim 1, which is characterized in that the absorbent is using zinc oxide, iron oxide, oxygen
Change any one or a few in aluminium or calcium oxide.
8. integrated apparatus according to claim 7, which is characterized in that the absorbent uses grain size for 0.1-1mm's
Nonferrous smelting intermediate product Zinc oxide particles.
9. a kind of method of removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal, which is characterized in that using power
Profit requires the integrated apparatus described in 1 to 8 any one to carry out removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and again
Metal specifically includes：
Relieving haperacidity flue gas enters heat exchanger cooling through inlet air stack, is cooling down simultaneously, is passing through the suction sprayed into from sorbent injection device
Receive the primary absorption that oxysulfide and heavy metal are completed in agent；
Then enter U-shaped pipe from top to bottom, then venturi is entered by U-shaped flue from bottom to top and is restrained；
After flow through venturi accelerate (beamacceleration) enter circulating fluid bed reactor, in circulating fluid bed reactor, oxysulfide with
Grain absorbent forms efficient gas-solid fluidized state, and continues temperature under the action of the atomized steam that water atomization spray gun sprays, with
Complete the second adsorption of oxysulfide and heavy metal；
Flue gas after ciculation fluidized reaction enters deduster, to detach the particulate matter for including absorbent in relieving haperacidity flue gas, obtains
To neat stress enter relieving haperacidity process, the particulate matter comprising absorbent separated is back to U-shaped pipe and is recycled
Or it is discharged by the outer ash discharging hole of deduster bottom.
10. according to the method described in claim 9, it is characterized in that, the temperature after waste heat recovery and dedusting is 250-400
DEG C, contain SO2Relieving haperacidity flue gas of the concentration 3% or more is being reduced to 180 DEG C ± 20 DEG C after heat exchanger, anti-through recirculating fluidized bed
It is down to 140 DEG C ± 10 DEG C again after answering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284546.2A CN108499315A (en) | 2018-04-02 | 2018-04-02 | Integrated apparatus and method for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284546.2A CN108499315A (en) | 2018-04-02 | 2018-04-02 | Integrated apparatus and method for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal |
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| CN201810284546.2A Pending CN108499315A (en) | 2018-04-02 | 2018-04-02 | Integrated apparatus and method for removing non-ferrous metal metallurgy relieving haperacidity sulfureous in flue gas oxide and heavy metal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260784A (en) * | 2018-10-17 | 2019-01-25 | 杨松 | It is a kind of to prepare hydrogen fluoride stratum granulosum moving bed filter |
| CN111482034A (en) * | 2020-04-21 | 2020-08-04 | 漯河职业技术学院 | Dust collecting device for electromechanical equipment |
| CN111729504A (en) * | 2020-06-10 | 2020-10-02 | 上海交通大学 | Fluidized bed and moving bed coupled composite adsorption reaction device and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671535A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Integrated purifying technology and device for desulfurating and dedusting smoke of semi-dry type circulating fluidized bed |
| CN103471405A (en) * | 2013-09-05 | 2013-12-25 | 山东金升有色集团有限公司 | Method of recovering flue gas waste heat and dust in nonferrous metal smelting |
| CN203725012U (en) * | 2014-03-20 | 2014-07-23 | 叶宏 | Energy-saving wet-type two-stage desulfurating dust remover |
| CN104841265A (en) * | 2015-04-24 | 2015-08-19 | 上海交通大学 | Dry-type removing method for sulfur trioxide and heavy metals in nonferrous smelting acid-making flue gas |
-
2018
- 2018-04-02 CN CN201810284546.2A patent/CN108499315A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671535A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Integrated purifying technology and device for desulfurating and dedusting smoke of semi-dry type circulating fluidized bed |
| CN103471405A (en) * | 2013-09-05 | 2013-12-25 | 山东金升有色集团有限公司 | Method of recovering flue gas waste heat and dust in nonferrous metal smelting |
| CN203725012U (en) * | 2014-03-20 | 2014-07-23 | 叶宏 | Energy-saving wet-type two-stage desulfurating dust remover |
| CN104841265A (en) * | 2015-04-24 | 2015-08-19 | 上海交通大学 | Dry-type removing method for sulfur trioxide and heavy metals in nonferrous smelting acid-making flue gas |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260784A (en) * | 2018-10-17 | 2019-01-25 | 杨松 | It is a kind of to prepare hydrogen fluoride stratum granulosum moving bed filter |
| CN109260784B (en) * | 2018-10-17 | 2020-12-01 | 嘉兴久珥科技有限公司 | Moving bed filter for preparing hydrogen fluoride particle layer |
| CN111482034A (en) * | 2020-04-21 | 2020-08-04 | 漯河职业技术学院 | Dust collecting device for electromechanical equipment |
| CN111729504A (en) * | 2020-06-10 | 2020-10-02 | 上海交通大学 | Fluidized bed and moving bed coupled composite adsorption reaction device and application |
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Application publication date: 20180907 |