CN109432974A - A kind of bubble type automatic cycle wet flue gas desulfurizer - Google Patents
A kind of bubble type automatic cycle wet flue gas desulfurizer Download PDFInfo
- Publication number
- CN109432974A CN109432974A CN201811590411.5A CN201811590411A CN109432974A CN 109432974 A CN109432974 A CN 109432974A CN 201811590411 A CN201811590411 A CN 201811590411A CN 109432974 A CN109432974 A CN 109432974A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- slurry storage
- flue gas
- sieve plate
- automatic cycle
- 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.)
- Granted
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003546 flue gas Substances 0.000 title claims abstract description 42
- 239000002002 slurry Substances 0.000 claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 29
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 27
- 230000023556 desulfurization Effects 0.000 claims abstract description 26
- 230000003647 oxidation Effects 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 16
- 210000002966 serum Anatomy 0.000 claims abstract description 13
- 239000010440 gypsum Substances 0.000 claims abstract description 10
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 17
- 238000001802 infusion Methods 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 36
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 34
- 235000011941 Tilia x europaea Nutrition 0.000 description 34
- 239000004571 lime Substances 0.000 description 34
- 239000006260 foam Substances 0.000 description 21
- 239000007789 gas Substances 0.000 description 13
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000000428 dust Substances 0.000 description 11
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 8
- 235000010261 calcium sulphite Nutrition 0.000 description 8
- 230000003009 desulfurizing effect Effects 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 239000000779 smoke Substances 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000005587 bubbling Effects 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229920002472 Starch Polymers 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000505 pernicious effect Effects 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of bubble type automatic cycle wet flue gas desulfurizers, including desulfurization reaction tower and slurry storage tank；Outlet flue above the desulfurization reaction tower is equipped with demister, and the bottom of the desulfurization reaction tower includes overflow launder, sieve plate and vacant portion, and in being horizontally disposed with and being separated with vacant portion by screen, the sieve plate is separated by partition the sieve plate with overflow launder；The vacant subordinate end is equipped with the slurry storage tank, and flue straight up is connected with below the sieve plate, is connected with serum recycle pipe below the overflow launder, the end of the serum recycle pipe is connect with the slurry storage tank bottom；It separately sets oxidation air pipe to protrude into from the side of the slurry storage tank, the oxidation air pipe is equipped with blower；The slurry storage tank side is equipped with inlet pipe and gypsum discharge pipe.The present apparatus improves flue gas ash removal rate and desulfurization degree, the flowing of slurries energy automatic cycle without using high-power pump and spraying layer, reduces investment operating cost by being repeatedly bubbled and repeatedly reacting.
Description
Technical field
The invention belongs to flue gas desulfurization fields more particularly to a kind of bubble type automatic cycle wet process of FGD to fill
It sets.
Background technique
The pollution of sulfur dioxide is always the focus of world many countries environmental protection, the flue gas that various countries successively develop
Desulfurization technology is up to more than 200 kinds.But it is possible to be applied to industrial but only more than ten kinds.Currently, the stone industrially applied
Lime stone --- gypsum wet flue gas desulfurizing equipment is mainly spray absorber, pallet spray absorber, fluid column absorption tower and injection
Bubbling reactor.Meet the desulfurization requirement of system in spray absorber and pallet spray absorber equipped with multilayer nozzle, in this way
It certainly will will form that tower inner nozzle is more, arrangement is complicated, installation and maintenance difficulty defect, and increase the height of desulfurizing tower, increase entirely
The cost of investment of desulphurization system.
In traditional technology, for example, Patent No. 01204390.7 patent " liquid column spraying fume desulfurizing and dust eliminating device " its
Desulfurization principle is all that a stressor layer nozzle is evenly arranged in absorbing reaction tower, and drive nozzle sprays lime stone slurry, stone upwards
Lime stone slurries in upward injection until in the dropping process that scatters constantly with the smoke contacts that flow up, to accelerate desulphurization reaction
Rate and improve desulphurization reaction quality.And patent " the fluid column bubble type wet flue gas of Patent No. 200420017675.9
Desulfurizer " is additionally arranged by cloth there are many flue gas uniform device that forms of pallet of through-hole on the basis of above-mentioned patented technology,
But its actual principle is still traditional spray process.This sulfur method (inhale by spray absorber, pallet spray absorber or fluid column
Receive tower) it is required to that slurries are delivered to absorption tower top with the pump of big flow, high-pressure injection is completed through nozzle upward, this makes whole
A big energy of system cost maintains to run.
To solve the above-mentioned problems, patent " injecting, bubbling, desulfurizing and dust removing device ", the patent No. of the patent No. 952406241
961053763 patent " sulfur method containing form waste gas of sulfur dioxide ", is all that jetting dispenser is used to make flue gas with certain pressure
Into in absorbing liquid, the injection bubble layer of certain altitude is formed, to complete flue gas desulfurization course.However, this method and de-
Sulphur device enters slurries via injection pipe using high velocity smoke, and whole system resistance is high, and injection pipe is easy blocking, fouling, influences
System operation；This method generally by changing absorption tower entoplasm liquid level come regulating system load variations, thus, the system
Cannot effectively, quickly it change with load variations, especially this defect becomes apparent for the desulfuration absorbing tower of big exhaust gas volumn.
Summary of the invention
In order to cancel slurry circulating pump, spraying layer and nozzle, operation power consumption is reduced；Flue gas system resistance is reduced, cigarette is reduced
Gas conveys air-introduced machine power consumption, and this patent devises a kind of new bubble type desulfurization technology, invented a kind of bubble type automatic cycle
Wet flue gas desulfurizer is realized especially by technical solution once.
A kind of bubble type automatic cycle wet flue gas desulfurizer, including desulfurization reaction tower and slurry storage tank；The desulfurization is anti-
The outlet flue above tower is answered to be equipped with demister, the bottom of the desulfurization reaction tower includes overflow launder, sieve plate and vacant portion, the sieve
In being horizontally disposed with and being separated with vacant portion by screen, the sieve plate is separated by partition plate with overflow launder；The vacant subordinate
End is equipped with the slurry storage tank, and flue straight up is connected with below the sieve plate, slurries is connected with below the overflow launder and follows
Endless tube, the end of the serum recycle pipe are connect with the slurry storage tank bottom；
It separately sets oxidation air pipe to protrude into from the side of the slurry storage tank, the oxidation air pipe is equipped with blower；The storage
Stock tank side is equipped with inlet pipe and gypsum discharge pipe.
When in use, lime white enters slurry storage tank from inlet pipe to above-mentioned apparatus, and air enters slurry storage tank from oxidation air pipe,
Liquid level is gradually increased to screen in slurry storage tank, and air constantly disperses in lime white, and equally distributed bubble population is formed in lime white,
And as buoyancy constantly rises, froth bed is formed on liquid level surface；As lime white continuously adds, the froth bed on upper layer is slow
Slowly screen is overflowed across, into sieve plate top, forms certain thickness foam lime white above sieve plate, the height of partition determines bubble
The thickness of foam lime white；At the same time, flue gas containing pernicious gases such as sulfur dioxide passes through flue, into sieve plate below, with
It is diffused up afterwards across sieve plate, the pernicious gases such as sulfur dioxide in flue gas are reacted with the foam lime white above sieve plate, are generated
Calcium sulfite, meanwhile, in flue gas under the action of oxygen, further partial oxidation reaction generates calcium sulfate, at this point, after reaction
The density for being mixed with the foam lime white of calcium sulfite and calcium sulfate dramatically increases, and flows again after covering partition into serum recycle pipe
Enter in slurry storage tank, and the relatively small foam lime white of the density above slurry storage tank continues to cover screen and enters above sieve plate and cigarette
Gas reacts, and generates violent secondary bubbling phenomenon.Once foam lime white covers the flow speed stability of screen and partition, then into
It starches pipe to close, the slurries in slurry storage tank being capable of automatic cycle flowing under the action of density contrast.The foam lime white of first set reaction
When back flowing back into slurry storage tank from serum recycle pipe, secondary response is completed with the air continually entered in oxidation air pipe, further
Make remaining calcium sulfite oxidation at calcium sulfate.By controlling the flow velocity of oxidation air and the flow velocity of flue gas, it can guarantee flue gas
In sulfur dioxide fully absorbed and aoxidized by lime white, ultimately generate by-produced gypsum, from gypsum discharge pipe be discharged.
A kind of method that above-mentioned apparatus uses completely new bubble type automatic cycle desulfurization, in the multiple drum of air and flue gas
In bubble and multiple reaction process, the reaction rate between desulfurizing agent and sulfur dioxide is substantially increased, cigarette can be removed effectively
Flying dust and sulfur dioxide in gas, and then the dust removal efficiency and sulfur dioxide extrusion rate of the present apparatus are improved, experiment shows using this specially
The desulfurizer of benefit can reach 98% or more high desulfurization efficiency, dust emission concentration under the conditions of calcium sulfur ratio 1.01~1.03
Less than 15mg/m3；Slurries automatic cycle is set to flow, the foam lime white on sieve plate is evenly distributed, and it is abundant with smoke contacts,
Without using the slurries pump and spraying layer of high-power big flow, reduces system investments, reduce operating cost；Screen starches storage
Foam lime white in tank liquor face effectively single flow direction sieve plate region, and it is unable to opposite direction flowing, it is followed to increase slurries
Circular rector increases system liquid-gas ratio；Using sieve-plate structure, desulfurizer height is reduced, service system maintenance and maintenance are small,
The labor intensity for alleviating worker, improves running efficiency of system.
Preferably, the flue is made of horizontal segment, elbow section, divergent segment, and the divergent segment upper end and the sieve plate connect
It connects.This purpose is, due to, using elbow section and divergent segment, reducing smoke inlet section power loss in desulfurizing tower import, and
Make flue gas in uphill process, velocity flow profile tends to be uniform in rectangular section.
It is highly preferred that the horizontal segment of the flue is equipped with liquid reserve tank, the liquid reserve tank passes through perfusion tube and infusion pump and storage
Stock tank connection.Liquid reserve tank can collect the lime slurry leaked out from sieve plate, then be transmitted back in slurry storage tank and participate in reaction.
It is further preferred that being equipped with diversion trench in the flue.Diversion trench can facilitate the lime slurry leaked out on sieve plate
It flows into liquid reserve tank.
On the basis of any of the above-described technical solution, as further preferred scheme, the oxidation air pipe extend into institute
State the bottom of slurry storage tank.The air of oxidation air pipe enters in slurry storage tank bottom, and slurries is enable farthest to dissolve more
Oxygen improves the oxygenation efficiency of calcium sulfite, improves subsequent sulfur dioxide absorbing reaction efficiency.
It is further preferred that setting a blender in the slurry storage tank, the paddle of the blender is close to the oxidation
The end of air hose.On the one hand blender can stir the lime white in slurry storage tank, while it is smaller that air can also be made to be dispersed into
Bubble improves calcium sulfite oxidation reaction efficiency.
Preferably, the divider height is adjustable, and the height of the partition is not more than the height of the screen.Partition
Height can determine the thickness of foam lime white above sieve plate, to control the progress of desulphurization reaction.The adjusting of partition can adopt
It manually, can also be by devices such as electric sliding rails certainly by the handle up and down adjustment being located at outside desulfurization reaction tower
It is dynamic to adjust.
Compared with prior art, the beneficial effects of the present invention are:
1, the present apparatus is in the multiple bubbling of oxidation air and flue gas and repeatedly in reaction process, substantially increase desulfurizing agent with
Reaction rate between sulfur dioxide can remove effectively flying dust and sulfur dioxide in flue gas, and then improve the present apparatus
Dust removal efficiency and sulfur dioxide extrusion rate, experiment shows the desulfurizer using this patent, under the conditions of calcium sulfur ratio 1.01~1.03,
98% or more high desulfurization efficiency can be reached, dust emission concentration is less than 15mg/m3；
2, slurries automatic cycle is enable to flow, the foam lime white on sieve plate is evenly distributed, nothing abundant with smoke contacts
The slurries pump and spraying layer that high-power big flow need to be used, reduce system investments, reduce operating cost；Screen makes slurry storage tank
Foam lime white in liquid level effectively single flow direction sieve plate region, and it is unable to opposite direction flowing, to increase serum recycle
Amount, increases system liquid-gas ratio；
3, using sieve-plate structure, desulfurizer height is reduced, service system maintenance and maintenance are small, alleviate worker's
Labor intensity improves running efficiency of system；
4, to the optimization of flue, reduce smoke inlet section power loss, and make flue gas in uphill process, cut in rectangle
Velocity flow profile tends to be uniform in face；
5, by the effect of blender, the meltage and desulphurization reaction efficiency of oxidation air can further be promoted.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bubble type automatic cycle wet flue gas desulfurizer described in embodiment 1；
Fig. 2 is a kind of sectional view in the direction B-B of bubble type automatic cycle wet flue gas desulfurizer described in embodiment 1；
Fig. 3 shows for a kind of structure of the quick-disassembly structure of bubble type automatic cycle wet flue gas desulfurizer described in embodiment 2
It is intended to；
In figure: 1, desulfurization reaction tower；2, slurry storage tank；3, demister；4, overflow launder；5, sieve plate；6, screen；7, partition；8,
Horizontal segment；9, elbow section；10, divergent segment；11, serum recycle pipe；12, oxidation air pipe；13, inlet pipe；14, gypsum is discharged
Pipe；15, liquid reserve tank；16, blender.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's all other embodiment obtained under the conditions of not making creative work belong to
The scope of protection of the invention.
Embodiment one
As shown in Figure 1, 2, bubble type automatic cycle wet flue gas desulfurizer provided in this embodiment, a kind of bubble type from
Dynamic circulation wet flue gas desulfurizer, including desulfurization reaction tower 1 and slurry storage tank 2；The outlet flue of 1 top of desulfurization reaction tower is set
There is demister 3, the bottom of the desulfurization reaction tower 1 includes overflow launder 4, sieve plate 5 and vacant portion, and the sieve plate 5 is in horizontally disposed
And separated with vacant portion by screen 6, the sieve plate 5 is separated with overflow launder 4 by partition 7；The vacant subordinate end is equipped with institute
Slurry storage tank 2 is stated, flue is separately set and is made of horizontal segment 8, elbow section 9, divergent segment 10,10 upper end of divergent segment and the sieve plate 5
It connects, serum recycle pipe 11, the end of the serum recycle pipe 11 and 2 bottom of slurry storage tank is connected with below the overflow launder 4
Portion's connection；
It separately sets oxidation air pipe 12 to protrude into from the side of the slurry storage tank 2, the oxidation air pipe 12 is equipped with blower；Institute
Slurry storage tank side is stated equipped with inlet pipe 13 and gypsum discharge pipe 14.
When in use, lime white enters slurry storage tank from inlet pipe to above-mentioned apparatus, and air enters slurry storage tank from oxidation air pipe,
Liquid level is gradually increased to screen in slurry storage tank, and air constantly disperses in lime white, and equally distributed bubble population is formed in lime white,
And as buoyancy constantly rises, froth bed is formed on liquid level surface；As lime white continuously adds, the froth bed on upper layer is slow
Slowly screen is overflowed across, into sieve plate top, forms certain thickness foam lime white above sieve plate, the height of partition determines bubble
The thickness of foam lime white；At the same time, flue gas containing pernicious gases such as sulfur dioxide passes through flue, into sieve plate below, with
It is diffused up afterwards across sieve plate, the pernicious gases such as sulfur dioxide in flue gas are reacted with the foam lime white above sieve plate, are generated
Calcium sulfite, meanwhile, in flue gas under the action of oxygen, further partial oxidation reaction generates calcium sulfate, at this point, after reaction
The density for being mixed with the foam lime white of calcium sulfite and calcium sulfate dramatically increases, and flows again after covering partition into serum recycle pipe
Enter in slurry storage tank, and the relatively small foam lime white of the density above slurry storage tank continues to cover screen and enters above sieve plate and cigarette
Gas reacts, and generates violent secondary bubbling phenomenon.Once foam lime white covers the flow speed stability of screen and partition, then into
It starches pipe to close, the slurries in slurry storage tank being capable of automatic cycle flowing under the action of density contrast.The foam lime white of first set reaction
When back flowing back into slurry storage tank from serum recycle pipe, secondary response is completed with the air continually entered in oxidation air pipe, further
Make remaining calcium sulfite oxidation at calcium sulfate.By controlling the flow velocity of oxidation air and the flow velocity of flue gas, it can guarantee flue gas
In sulfur dioxide fully absorbed and aoxidized by lime white, ultimately generate by-produced gypsum, from gypsum discharge pipe be discharged.
A kind of method that above-mentioned apparatus uses completely new bubble type automatic cycle desulfurization, in the multiple drum of air and flue gas
In bubble and multiple reaction process, the reaction rate between desulfurizing agent and sulfur dioxide is substantially increased, cigarette can be removed effectively
Flying dust and sulfur dioxide in gas, and then the dust removal efficiency and sulfur dioxide extrusion rate of the present apparatus are improved, experiment shows using this specially
The desulfurizer of benefit can reach 98% or more high desulfurization efficiency, dust emission concentration under the conditions of calcium sulfur ratio 1.01~1.03
Less than 15mg/m3；Slurries automatic cycle is set to flow, the foam lime white on sieve plate is evenly distributed, and it is abundant with smoke contacts,
Without using the slurries pump and spraying layer of high-power big flow, reduces system investments, reduce operating cost；Screen starches storage
Foam lime white in tank liquor face effectively single flow direction sieve plate region, and it is unable to opposite direction flowing, it is followed to increase slurries
Circular rector increases system liquid-gas ratio；Using sieve-plate structure, desulfurizer height is reduced, service system maintenance and maintenance are small,
The labor intensity for alleviating worker, improves running efficiency of system.
Embodiment two
As shown in figure 3, the present embodiment on the basis of example 1, has made following optimization:
1, the horizontal segment 8 of the flue is equipped with liquid reserve tank 15, and the liquid reserve tank 15 is starched by perfusion tube and infusion pump and storage
Slot 2 connects；
2, the oxidation air pipe 12 extend into the bottom of the slurry storage tank 2；
3, a blender 16 is set in the slurry storage tank 2, the paddle of the blender 16 is close to the oxidation air pipe 12
End.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of bubble type automatic cycle wet flue gas desulfurizer, which is characterized in that including desulfurization reaction tower and slurry storage tank；Institute
It states outlet flue above desulfurization reaction tower and is equipped with demister, the bottom of the desulfurization reaction tower includes overflow launder, sieve plate and vacant
Portion, in being horizontally disposed with and being separated with vacant portion by screen, the sieve plate is separated by partition the sieve plate with overflow launder；It is described
Vacant subordinate end is equipped with the slurry storage tank, and flue straight up, connection below the overflow launder are connected with below the sieve plate
There is serum recycle pipe, the end of the serum recycle pipe is connect with the slurry storage tank bottom；
It separately sets oxidation air pipe to protrude into from the side of the slurry storage tank, the oxidation air pipe is equipped with blower；The slurry storage tank
Side is equipped with inlet pipe and gypsum discharge pipe.
2. bubble type automatic cycle wet flue gas desulfurizer according to claim 1, which is characterized in that the flue by
Horizontal segment, elbow section, divergent segment composition, the divergent segment upper end is connect with the sieve plate.
3. bubble type automatic cycle wet flue gas desulfurizer according to claim 2, which is characterized in that the flue
Horizontal segment is equipped with liquid reserve tank, and the liquid reserve tank is connect by perfusion tube and infusion pump with slurry storage tank.
4. bubble type automatic cycle wet flue gas desulfurizer according to claim 3, which is characterized in that in the flue
Equipped with diversion trench.
5. bubble type automatic cycle wet flue gas desulfurizer according to any one of claims 1 to 4, which is characterized in that
The oxidation air pipe extend into the bottom of the slurry storage tank.
6. bubble type automatic cycle wet flue gas desulfurizer according to claim 5, which is characterized in that the slurry storage tank
A blender is inside set, the paddle of the blender is close to the end of the oxidation air pipe.
7. bubble type automatic cycle wet flue gas desulfurizer according to claim 5, which is characterized in that the partition is high
Degree is adjustable, and the height of the partition is not more than the height of the screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590411.5A CN109432974B (en) | 2018-12-25 | 2018-12-25 | Bubbling type automatic circulation wet flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590411.5A CN109432974B (en) | 2018-12-25 | 2018-12-25 | Bubbling type automatic circulation wet flue gas desulfurization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109432974A true CN109432974A (en) | 2019-03-08 |
| CN109432974B CN109432974B (en) | 2024-01-30 |
Family
ID=65535451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811590411.5A Active CN109432974B (en) | 2018-12-25 | 2018-12-25 | Bubbling type automatic circulation wet flue gas desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109432974B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828153A (en) * | 2021-10-28 | 2021-12-24 | 武汉森源蓝天环境科技工程有限公司 | Tower type catalyst reactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1981914A (en) * | 2005-12-13 | 2007-06-20 | 韩国电力公社 | Apparatus for treating flue gas using single-stage gas dispersing tray |
| WO2017012557A1 (en) * | 2015-07-21 | 2017-01-26 | 华能国际电力股份有限公司 | High-efficiency gradient hierarchy complex desulfurizing tower |
| CN106512704A (en) * | 2016-11-08 | 2017-03-22 | 武汉森源蓝天环境科技工程有限公司 | Fly ash modified high-efficient mercury removal method of dust remover and system thereof |
| CN209423305U (en) * | 2018-12-25 | 2019-09-24 | 武汉森源蓝天环境科技工程有限公司 | A kind of bubble type automatic cycle wet flue gas desulfurizer |
-
2018
- 2018-12-25 CN CN201811590411.5A patent/CN109432974B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1981914A (en) * | 2005-12-13 | 2007-06-20 | 韩国电力公社 | Apparatus for treating flue gas using single-stage gas dispersing tray |
| WO2017012557A1 (en) * | 2015-07-21 | 2017-01-26 | 华能国际电力股份有限公司 | High-efficiency gradient hierarchy complex desulfurizing tower |
| CN106512704A (en) * | 2016-11-08 | 2017-03-22 | 武汉森源蓝天环境科技工程有限公司 | Fly ash modified high-efficient mercury removal method of dust remover and system thereof |
| CN209423305U (en) * | 2018-12-25 | 2019-09-24 | 武汉森源蓝天环境科技工程有限公司 | A kind of bubble type automatic cycle wet flue gas desulfurizer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828153A (en) * | 2021-10-28 | 2021-12-24 | 武汉森源蓝天环境科技工程有限公司 | Tower type catalyst reactor |
| CN113828153B (en) * | 2021-10-28 | 2024-05-24 | 武汉森源蓝天环境科技工程有限公司 | Tower type catalyst reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109432974B (en) | 2024-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203355586U (en) | Multi-stage-absorption ammonia desulphurization system | |
| CN102764580B (en) | A kind of apparatus and method of white clay/carbide slag-gypsum wet flue gas desulfurizing | |
| CN102512939A (en) | Sieve-plate tower used for sintering machine flue gas desulfurization and desulfurization process thereof | |
| KR20140091538A (en) | Dual-chamber multi-absorption wet flue desulfurization device | |
| CN1309456C (en) | Hopper type current-collecting device of flue-gas desulphurization system by shunting method or external inforced oxidizing process | |
| CN103203175A (en) | Flue gas desulfurization and denitration process and device for recovering ammonium sulfate | |
| JP2004533923A (en) | Method and apparatus for separating sulfur dioxide from gas | |
| CN209423305U (en) | A kind of bubble type automatic cycle wet flue gas desulfurizer | |
| CN106237824B (en) | A kind of desulfurization and dust-removal method using minimum discharge desulfurization and dedusting eddy flow pallet spray tower | |
| CN110479077A (en) | A kind of ammonia process of desulfurization oxidation unit and method | |
| CN102921288B (en) | Y-shaped absorption tower and method for performing flue gas desulfurization by using Y-shaped absorption tower | |
| CN109432974A (en) | A kind of bubble type automatic cycle wet flue gas desulfurizer | |
| CN206064134U (en) | A kind of minimum discharge desulfurization and dedusting eddy flow pallet spray tower | |
| CN211384488U (en) | High-efficient oxidation unit of desulfurization | |
| CN207899255U (en) | A kind of desulphurization plant | |
| CN201394430Y (en) | Liquid immersion dust removal composite desulfurization device | |
| CN116899397A (en) | Oxidation tuber pipe structure for wet flue gas desulfurization | |
| CN202751947U (en) | Flue gas desulfurization (FGD) device using carbide slag-gypsum method | |
| CN108744943A (en) | A kind of desulphurization plant and its sulfur removal technology | |
| CN202460462U (en) | Sieve-plate tower for flue gas desulfurization of sintering machine | |
| EP2889075B1 (en) | Plate arranged to support a bed of liquid absorbent in a device for purifying gas | |
| CN205392164U (en) | Unsmooth gas -liquid equipartition ring | |
| CN101502755A (en) | Liquid immersion dust removal composite desulfurization device | |
| CN204447739U (en) | A kind of high-efficiency wet-desulfurizing and electric demist integrated apparatus | |
| CN208642304U (en) | A kind of desulphurization plant |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |