CN107930374A - A kind of efficient oxidation wet desulfurization system - Google Patents
A kind of efficient oxidation wet desulfurization system Download PDFInfo
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- CN107930374A CN107930374A CN201711224457.0A CN201711224457A CN107930374A CN 107930374 A CN107930374 A CN 107930374A CN 201711224457 A CN201711224457 A CN 201711224457A CN 107930374 A CN107930374 A CN 107930374A
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 29
- 230000003647 oxidation Effects 0.000 title claims abstract description 27
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 26
- 230000023556 desulfurization Effects 0.000 title claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 27
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 22
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000010865 sewage Substances 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 37
- 239000002002 slurry Substances 0.000 claims description 27
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 19
- 239000003546 flue gas Substances 0.000 claims description 19
- 239000010440 gypsum Substances 0.000 claims description 19
- 229910052602 gypsum Inorganic materials 0.000 claims description 19
- 238000005273 aeration Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 14
- 235000019738 Limestone Nutrition 0.000 claims description 10
- 239000006028 limestone Substances 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 5
- 235000010261 calcium sulphite Nutrition 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000012546 transfer Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of efficient oxidation wet desulfurization system, including desulfurizing tower, gas inlet and exhanst gas outlet are provided with the desulfurizing tower, catch basin is formed on the bottom of the desulfurizing tower, the gas inlet is connected with exhaust gases passes, hybrid hydrostatic case is provided with the exhaust gases passes, the exhaust gases passes of the hybrid hydrostatic case leading portion are mixing flue, the first pressure-air spray ring perpendicular with airflow direction is provided with the mixing flue, the windward side of the first pressure-air spray ring is evenly arranged with multiple spiral nozzles, the first pressure-air spray ring is connected with high-pressure pump.At least one spiral fan blade is provided with the middle part of the hybrid hydrostatic case, the hybrid hydrostatic case upper wall is provided with multiple cleaning sprayers, and the bottom of the hybrid hydrostatic case is provided with inclined floor, and the lower end of the inclined floor is connected by sewage draining valve with dredge pump.The present invention has the advantages that dependable performance, oxidation efficiency are high, operating cost is low, desulfurization effect is preferable.
Description
Technical field
The present invention relates to technical field of waste gas treatment, and in particular to a kind of efficient oxidation wet desulfurization system.
Background technology
With rapid development of economy, the industry such as electric power, metallurgy, chemical industry and building materials produces substantial amounts of cigarette containing sulfur dioxide
Gas, is discharged into air and pollutes, and sulfur dioxide becomes one of Air Pollutant Discharge.In order to eliminate sulfur dioxide pollution, people
Many methods for reducing SO2 emissions are found through great efforts, wherein with the most use with wet desulphurization.Usual wet desulphurization
When directly obtain be sulfur dioxide and be modulated into " slurries " shape absorbent reaction generation sulphite, in many cases for
Easy to desulfurization product recycling, it is necessary to sulfite oxidation into sulfate.Although contain in the flue gas containing sulfur dioxide
A certain amount of oxygen, can play the role of ite being oxidized to sulfate, but oxygen content is relatively low in flue gas after all, it is impossible to
Ite is completely oxidized to sulfate, it is necessary to other supplemental oxygen.The industrial absorption tower bottom that is typically employed in sets catch basin,
The sulphite " slurries " stored into catch basin is passed through air, oxidative salt in the form of bubbling.For example, with lime stone
Or lime is absorbent, remove flue gas in sulfur dioxide when, absorption tower bottom be provided with storage absorbent lime stone or lime and
The circulating slot of desulfurization product calcium sulfite " slurries ", air is blasted to circulating slot, makes calcium sulfite oxidation into easy to recycling
Calcium sulfate (gypsum).
There are two defects for this method that air oxidation sulphite is passed through in the form of bubbling：" bubbling " mode mass transfer
Efficiency is low, and coefficient of oxygen utilization is low, and required air quantity is big, increases flue gas after desulfurization amount；The air being passed through will pass through " slurries " layer, gram
The resistance that clothes " slurries " layer is formed, overcomes resistance to require the expenditure of energy, it is desirable to which oxidation effectiveness is good, and " slurries " layer passed through is got over
Thickness, resistance is bigger, and energy consumption is higher.During practical application, in order to reach best oxidation effectiveness, aeration tube is set, is opened up on pipe
The air outlet slit of even distribution, enables air to be uniformly distributed on slot cross-section catchmenting；" slurries " that increase air passes through as far as possible at the same time
Layer thickness.So necessarily cause the pressure head increase for conveying the air blower of air, increase energy expenditure.A kind of therefore it provides oxidation
It is efficient, operating cost is low, the preferable wet desulfurization system of desulfurization effect becomes urgent problem to be solved.
The content of the invention
For the above problem of the prior art, it is an object of the present invention to provide a kind of desulfuration efficiency height, operating cost
The significant efficient oxidation wet desulfurization system of oxidation effectiveness low, to sulphite.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of efficient oxidation wet desulfurization system, including it is de-
Sulphur tower, gas inlet and exhanst gas outlet are provided with the desulfurizing tower, and catch basin is formed on the bottom of the desulfurizing tower；It is described to catchment
Agitating device, aeration tube are provided with groove, the aeration tube is connected with Aeration fan；The catch basin is also supplied with slurries respectively
Pump is drawn to pump, gypsum to be connected；
The desulfurizing tower top is disposed with the first spraying layer, the second spraying layer, the 3rd spraying layer from up to down, each spray
The nozzle misalignment of drenching layer is set, and the first spraying layer, the nozzle of the second spraying layer are set downward, and the nozzle of the 3rd spraying layer is upward
Set；Each spraying layer passes sequentially through air and liquid mixer, circulating pump, filtration apparatus and is connected with catch basin, the air and liquid mixer
Also it is connected with pure air supply pump；The connector of the filtration apparatus and catch basin is arranged at the top of catch basin；
The gas inlet 3 is connected with exhaust gases passes, and hybrid hydrostatic case, the mixing are provided with the exhaust gases passes
The exhaust gases passes of plenum chamber leading portion are mixing flue, and first high pressure perpendicular with airflow direction is provided with the mixing flue
Air spray ring, the windward side of the first pressure-air spray ring are evenly arranged with multiple spiral nozzles, first pressure-air
Spray ring is connected with high-pressure pump；
At least one spiral fan blade is provided with the middle part of the hybrid hydrostatic case, the hybrid hydrostatic case upper wall is provided with multiple
Cleaning sprayer, the bottom of the hybrid hydrostatic case are provided with inclined floor, the lower end of the inclined floor by sewage draining valve with
Dredge pump is connected；
The filtration apparatus includes filter screen, and the filter screen is towards scraper plate is provided with a side surface of catch basin, also
Including the fixed rotating shaft positioned at filter screen center position and the setting of vertically passing screen surface, it is provided with the fixed rotating shaft
First bevel gear, the fixed rotating shaft are fixedly connected with scraper plate, further include cleaning motor, the head of the output shaft for cleaning motor
Portion is provided with the second bevel gear cooperated with each other with first bevel gear.
Further, the slurries supply pump is connected with limestone slurry liquid case, Limestone silo successively；The gypsum is drawn
Pump be connected successively with gypsum cyclone, gypsum dehydration machine, the gypsum dehydration machine is connected with filtrate receiver, the filtrate receiver and
Catch basin is connected.
Further, in the desulfurizing tower demister is provided with above the first spraying layer.
Further, further include control unit, described control unit respectively with Aeration fan, high-pressure pump, pure air
Supply pump is connected.
Further, the quantity of the spiral fan blade is 3.
Further, it is also respectively provided with flow control valve on the connecting line of each spraying layer and air and liquid mixer.
Further, the second pressure-air spray ring being connected with high-pressure pump, the second pressure-air spray are further included
Ring close on the first pressure-air spray ring set and it is parallel to each other with it, the front and rear sides of the second pressure-air spray ring are all provided with
Multiple spiral nozzles are equipped with, the second pressure-air spray ring is arranged at the front portion of the first pressure-air spray ring.
In addition, in technical solution of the present invention, it is all not do what is illustrated, it can use the conventional hand in this area
Section realizes the technical program.
The present invention has the following advantages：The present invention is realized by three kinds of different modes supplements air into flue gas, and cigarette
Gas can sufficiently be mixed with air, desulfurization slurry, can be carried out sufficient oxidation reaction to calcium sulfite, be realized efficient
Desulfurization.And the air capacity that different modes are pumped into can be adjusted in the setting of control unit, while oxidation effectiveness is ensured
Operating cost can be reduced as far as possible.This is provided with filtration apparatus to the present invention, by setting filtration apparatus effectively to reduce
The probability that nozzle is blocked, ensures the long-time steady operation of system.The present invention has dependable performance, oxidation efficiency height, operation
The advantages that cost is low, desulfurization effect is preferable, is conducive to large-scale promotion application.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of filtration apparatus of the present invention.
In figure：1st, desulfurizing tower；2nd, catch basin；3rd, gas inlet；4th, exhanst gas outlet；5th, hybrid hydrostatic case；6th, flue is mixed；
7th, the first pressure-air spray ring；8th, spiral nozzle；9th, high-pressure pump；10th, cleaning sprayer；11st, spiral fan blade；12nd, inclined floor；
13rd, sewage draining valve；14th, dredge pump；15th, the first spraying layer；16th, the second spraying layer；17th, the 3rd spraying layer；18th, circulating pump；19、
Filtration apparatus；20th, air and liquid mixer；21st, pure air supply pump；22nd, Limestone silo；23rd, limestone slurry liquid case；24th, slurries
Supply pump；25th, agitating device；26th, aeration tube；27th, Aeration fan；28th, gypsum draws pump；29th, gypsum cyclone；30th, gypsum
Dewaterer；31st, filtrate receiver；32nd, demister；33rd, filter screen；34th, scraper plate；35th, fixed rotating shaft, 36, cleaning motor, 37, output
Axis, 38 first bevel gears；39th, second bevel gear.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig. 1-2, a kind of efficient oxidation wet desulfurization system, including desulfurizing tower 1, is provided with cigarette on the desulfurizing tower 1
Catch basin 2 is formed on gas import 3 and exhanst gas outlet 4, the bottom of the desulfurizing tower 1；Be provided with the catch basin agitating device 25,
Aeration tube 26, the aeration tube 26 are connected with Aeration fan 27；The catch basin also draws with slurries supply pump 24, gypsum respectively
Go out pump 28 to be connected.
1 top of desulfurizing tower is disposed with the first spraying layer 15, the second spraying layer 16, the 3rd spraying layer from up to down
17, the nozzle misalignment of each spraying layer is set, and the first spraying layer 15, the nozzle of the second spraying layer 16 are set downward, the 3rd spray
The nozzle of layer 17 is set upward.By the nozzle for each spraying layer that is staggered, can strengthen spraying slurries to tower body inside
Coverage rate.And the nozzle for setting the 3rd spraying layer 17 is upward, on the one hand expands and spray the moving regions of slurries, extend slurries with
The incorporation time of flue gas, on the other hand makes the slurries of sprinkling mutually collide, and makes slurries more scattered, increase and the contact surface of flue gas
Product, and then improve desulfuration efficiency.
Each spraying layer passes sequentially through air and liquid mixer 20, circulating pump 18, filtration apparatus 19 and is connected with catch basin 2, described
Air and liquid mixer 20 is also connected with pure air supply pump 21；The connector of the filtration apparatus 19 and catch basin 2 is arranged at
The top of catch basin 2.Compressed air is mixed with slurries by air and liquid mixer, on the one hand can be due to compressed air it is swollen
Swollen effect, makes the drop smaller, thinner of the slurries of ejection, so as to expand the contact area and area coverage of slurries and flue gas, increases
Big desulfuration efficiency；On the other hand the blocking probability of nozzle can be also reduced, finally, additionally it is possible to improve containing for flue gas in desulfurizing tower 1
Oxygen amount, improves the oxidation effectiveness of sulphite.
The gas inlet 3 is connected with exhaust gases passes, and hybrid hydrostatic case 5 is provided with the exhaust gases passes, described mixed
The exhaust gases passes for closing 5 leading portion of plenum chamber are mixing flue 6, and the perpendicular with airflow direction is provided with the mixing flue 6
One pressure-air spray ring 7, the windward side of the first pressure-air spray ring 7 are evenly arranged with multiple spiral nozzles 8, and described first
Pressure-air spray ring 7 is connected with high-pressure pump 9.
Air is injected into flue gas by the first pressure-air spray ring 7, and then improves the oxygen content of flue gas, the present invention first
The anchor ring of pressure-air spray ring 7 and flue gas stream direction are perpendicular, and the side of the side windward of the first pressure-air spray ring 7
It is upper vertical, be uniformly provided with multiple spiral nozzles 8, so under the action of incoming flue gas, the high pressure that spiral nozzle 8 sprays is empty
Air-flow is more disorderly, and then can greatly improve the mixed effect of flue gas and air.
As a preferred embodiment, further include the second pressure-air spray ring (not shown) being connected with high-pressure pump 9, institute
State the second pressure-air spray ring and close on the first pressure-air spray ring 7 and set and, second pressure-air parallel to each other with it
The front and rear sides of spray ring are both provided with multiple spiral nozzles, and the second pressure-air spray ring is arranged at the first pressure-air spray ring
7 front portion.Nozzle so on the inside of two pressure-air spray rings can interact, and the air-flow of ejection is mutually touched
Hit, air stream is more spread, be conducive to the mixing of air and flue gas.
The middle part of hybrid hydrostatic case 5 is provided with least one spiral fan blade 11, and 5 upper wall of hybrid hydrostatic case is provided with
Multiple cleaning sprayers 10, the bottom of the hybrid hydrostatic case 5 are provided with inclined floor 12, and the lower end of the inclined floor 12 passes through
Sewage draining valve 13 is connected with dredge pump 14.
The setting of hybrid hydrostatic case 5, especially sets spiral fan blade 11, can greatly promote flue gas and air inside it
Mixing, to be ready in advance to the oxidation of calcium sulfite in desulfurizing tower.And since hybrid hydrostatic case 5 works long hours
Inside will necessarily gather many flue dust, therefore be provided with cleaning sprayer 10, and inclined floor 12 dips down along flow of flue gas direction
Tiltedly, very easily hybrid hydrostatic case 5 can be cleaned, and last blowdown work.
The filtration apparatus 19 includes filter screen 33, and the filter screen 33 is towards being provided with a side surface of catch basin 2
Scraper plate 34, further includes the fixed rotating shaft 35 positioned at filter screen center position and the setting of vertically passing screen surface, the fixation
First bevel gear 38 is provided with shaft 35, the fixed rotating shaft 35 is fixedly connected with scraper plate 34, is further included and is cleaned motor 36, institute
The head for stating the output shaft 37 for cleaning motor 36 is provided with the second bevel gear 39 cooperated with each other with first bevel gear 38.Cross
The setting of strainer 33 can effectively reduce the blocking probability of spraying layer nozzle, and set the components such as motor and scraper plate, can be timely
Cleaning is blocked in lime white, calcium plaster coagulation on filter screen 33, can ensure the long-time steady operation of filtration apparatus 19.
As a preferred embodiment, the slurries supply pump 24 is connected with limestone slurry liquid case 23, Limestone silo 22 successively；Institute
State gypsum extraction pump 28 successively with gypsum cyclone 29, gypsum dehydration machine 30 to be connected, the gypsum dehydration machine 30 and filtrate receiver
31 are connected, and the filtrate receiver 31 is connected with catch basin 2.It is provided with the desulfurizing tower 1 positioned at the top of the first spraying layer 15
Demister 32.
Further include control unit, described control unit respectively with Aeration fan 27, high-pressure pump 9, pure air supply pump
21 are connected.By setting control unit, the oxidization condition of calcium sulfite, in time control can be adjusted according in desulfurizing tower 1
The air capacity that Aeration fan 27, high-pressure pump 9, pure air supply pump 21 supply, so that reaching the premise of oxidation requirements
Under, the air capacity being pumped into flue gas is minimum, the minimum effect of operating cost.
The quantity of the spiral fan blade 11 is 3.Each spraying layer with also setting respectively on the connecting line of air and liquid mixer 20
It is equipped with flow control valve.By setting flow control valve, the pressure of each spraying layer can be adjusted, and then spraying effect is made
Adjustment.
As being well known that, in order to be controlled to the current in each connecting line, in attached drawing 1 although it is not shown, but
It is that multiple shut-off valves, flow valve, booster pump etc. can be set according to the actual requirements in each pipeline, does not go to live in the household of one's in-laws on getting married further herein
State.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (7)
1. a kind of efficient oxidation wet desulfurization system, including desulfurizing tower, it is provided with gas inlet on the desulfurizing tower and flue gas goes out
Mouthful, catch basin is formed on the bottom of the desulfurizing tower；Be provided with agitating device, aeration tube in the catch basin, the aeration tube with
Aeration fan is connected；The catch basin also draws pump with slurries supply pump, gypsum respectively and is connected；It is characterized in that：
The desulfurizing tower top is disposed with the first spraying layer, the second spraying layer, the 3rd spraying layer, each spraying layer from up to down
Nozzle misalignment set, and the first spraying layer, the nozzle of the second spraying layer are set downward, and the nozzle of the 3rd spraying layer is set upward
Put；Each spraying layer passes sequentially through air and liquid mixer, circulating pump, filtration apparatus and is connected with catch basin, and the air and liquid mixer is also
It is connected with pure air supply pump；The connector of the filtration apparatus and catch basin is arranged at the top of catch basin；
The gas inlet is connected with exhaust gases passes, and hybrid hydrostatic case, the hybrid hydrostatic are provided with the exhaust gases passes
The exhaust gases passes of case leading portion are mixing flue, and first pressure-air perpendicular with airflow direction is provided with the mixing flue
Spray ring, the windward side of the first pressure-air spray ring are evenly arranged with multiple spiral nozzles, the first pressure-air spray ring
It is connected with high-pressure pump；
At least one spiral fan blade is provided with the middle part of the hybrid hydrostatic case, the hybrid hydrostatic case upper wall is provided with multiple cleanings
Nozzle, the bottom of the hybrid hydrostatic case are provided with inclined floor, and the lower end of the inclined floor passes through sewage draining valve and blowdown
Pump is connected；
The filtration apparatus includes filter screen, and the filter screen is further included towards scraper plate is provided with a side surface of catch basin
Positioned at filter screen center position and the fixed rotating shaft of vertically passing screen surface setting, first is provided with the fixed rotating shaft
Bevel gear, the fixed rotating shaft are fixedly connected with scraper plate, further include cleaning motor, and the head of the output shaft for cleaning motor is set
It is equipped with the second bevel gear cooperated with each other with first bevel gear.
2. efficient oxidation wet desulfurization system according to claim 1, it is characterised in that：The slurries supply pump successively with
Limestone slurry liquid case, Limestone silo are connected；The gypsum draws pump and is connected successively with gypsum cyclone, gypsum dehydration machine,
The gypsum dehydration machine is connected with filtrate receiver, and the filtrate receiver is connected with catch basin.
3. efficient oxidation wet desulfurization system according to claim 1 or 2, it is characterised in that：It is located in the desulfurizing tower
Demister is provided with above first spraying layer.
4. efficient oxidation wet desulfurization system according to any one of claim 1-3, it is characterised in that：Further include control
Unit, described control unit are connected with Aeration fan, high-pressure pump, pure air supply pump respectively.
5. the efficient oxidation wet desulfurization system according to any one of claim 1-4, it is characterised in that：The spiral wind
The quantity of leaf is 3.
6. the efficient oxidation wet desulfurization system according to any one of claim 1-5, it is characterised in that：Each spraying layer with
Flow control valve is also respectively provided with the connecting line of air and liquid mixer.
7. the efficient oxidation wet desulfurization system according to any one of claim 1-5, it is characterised in that：Further include and height
The second pressure-air spray ring that compression pump is connected, the second pressure-air spray ring are closed on the first pressure-air spray ring and are set simultaneously
And it is parallel to each other with it, the front and rear sides of the second pressure-air spray ring are both provided with multiple spiral nozzles, and described second is high
Pressure air spray ring is arranged at the front portion of the first pressure-air spray ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224457.0A CN107930374A (en) | 2017-11-28 | 2017-11-28 | A kind of efficient oxidation wet desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224457.0A CN107930374A (en) | 2017-11-28 | 2017-11-28 | A kind of efficient oxidation wet desulfurization system |
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| Publication Number | Publication Date |
|---|---|
| CN107930374A true CN107930374A (en) | 2018-04-20 |
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|---|---|---|---|
| CN201711224457.0A Pending CN107930374A (en) | 2017-11-28 | 2017-11-28 | A kind of efficient oxidation wet desulfurization system |
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