CN105344218B - A kind of equipment for flue gas desulfuration and denitrification - Google Patents
A kind of equipment for flue gas desulfuration and denitrification Download PDFInfo
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- CN105344218B CN105344218B CN201510802315.2A CN201510802315A CN105344218B CN 105344218 B CN105344218 B CN 105344218B CN 201510802315 A CN201510802315 A CN 201510802315A CN 105344218 B CN105344218 B CN 105344218B
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- centrum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The present invention relates to air cleaning facility field.For the equipment of flue gas desulfuration and denitrification, including the first heterophase reactor system, water circulation system, slurry pool, slurry discharger, outlet pipe, the second heterophase reactor system and water shower device;Undergauge circle is provided between first heterophase reactor system and slurry pool, undergauge circle bottom is provided with demister provided with auxiliary heterophase reactor between auxiliary heterophase reactor and slurry pool, the inlet end of outlet pipe is between demister and undergauge circle.The advantage for being used for the equipment of flue gas desulfuration and denitrification is that structure is novel, and the flue gas desulfuration and denitrification and dust removal effect produced to burning is good, to the desulfurization degree of flue gas, denitrification percent, all high to fine particle PM2.5 dust purification rate.
Description
Technical field
The present invention relates to air cleaning facility field, especially a kind of flue gas produced that burnt for purified industrial makes cigarette
The equipment of desulfurization denitrogenation.
Background technology
The industrial smoke that industrial fuel burning is produced is primarily referred to as a large amount of flue gases and dust that the burning of Industrial Boiler is produced,
In China, SO290%, NOx90% is accounted for from fuel combustion, Thermal Power Enterprises and metal smelting essentially from what fired coal combustion was discharged
Substantial amounts of flue gas can be all produced in refining enterprise production process, therefore desulfurization removing nitric is that China administers pollution that caused by coal burning improvement atmospheric environment
Main target.Include oxysulfide, nitrogen oxides, carbon in such as steel mill in metal smelt, its flue gas discharged
Compound slag and other waste residue dust etc.;Include carbide, oxysulfide, nitrogen oxides in the flue gas of firepower electrical plant discharge
With flyash etc..
Applicant had applied for the equipment for flue gas desulfuration and denitrification, such as Chinese patent CN201310562110.2,
The problem of being found that other during use, be specifically:1. the main processing unit heterophase reactor unreasonable structure of flue gas,
It has impact on desulfurization removing nitric purified treatment effect;2. by the partial particulate shape object and high-temperature flue gas of heterophase reactor without falling into slurry
Material pond can be directly from outlet pipe discharge;3. in order to increase the redox efficiency of waste residue in slurry pool, it can be rushed in slurry pool
Enter air, air is poured in slurry pool and returns the substantial amounts of bubble of generation, pumping for water pump amount is very big, and water is easily reduced bubble more
The service life of pump.In addition, long using the time of the flue gas desulfuration and denitrification equipment processing of backflow tubular construction.
The content of the invention
The deficiency existed the invention aims to solve the equipment of above-mentioned existing flue gas desulfuration and denitrification is tied there is provided one kind
Structure is novel, and the good equipment for flue gas desulfuration and denitrification of desulfurization removing nitric purified treatment effect is carried out to flue gas.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
A kind of equipment for flue gas desulfuration and denitrification, including the first heterophase reactor system, water circulation system, slurry pool,
Slurry discharger, outlet pipe, the second heterophase reactor system and water shower device;It is at the top of first heterophase reactor system
Flue gas inlet port, the first heterophase reactor system is in the top of slurry pool, and slurry discharger is connected with slurry pool;Slurry pool
Connected between the second heterophase reactor system by outlet pipe, water shower device is arranged in the second heterophase reactor system;
Undergauge circle is provided between first heterophase reactor system and slurry pool, undergauge circle bottom is aided in many provided with auxiliary heterophase reactor
Demister is provided between phase reaction device and slurry pool, the inlet end of outlet pipe is between demister and undergauge circle;First
Heterophase reactor system includes the first heterophase reactor of multiple longitudinally fixed arrangements up and down, and each first heterophase reactor is wrapped
Include the first shell and its first interior centrum, the first taper ring and multiple centrum connectors, the first centrum is connected by multiple centrums
Fitting is fixed on the center of the first shell, and the first taper ring is fixed on the madial wall of the first shell, and the first taper ring is in
The lower section of first centrum, the cone bottom of the first centrum is against the first taper ring;Heterophase reactor is aided in include auxiliaring shell and its interior
Auxiliary centrum and auxiliary taper ring, auxiliary taper ring be fixed on the madial wall of auxiliaring shell, auxiliary taper ring be in auxiliary
The lower section of centrum, aids in the opposite auxiliary taper ring in cone bottom of centrum;One end of demister is fixed on the lateral wall of auxiliaring shell,
The other end of demister is fixed on the madial wall of slurry pool;The gas outlet of auxiliaring shell bottom is oblique, and away from outlet
The auxiliaring shell bottom outlet open height of pipeline air-inlet end side goes out higher than the auxiliaring shell bottom of outlet pipe inlet end side
Port hight;Auxiliaring shell diameter is less than the first housing diameter;Fixed column is provided with slurry pool, auxiliary centrum is fixed on fixed column
Lateral wall on;Each first heterophase reactor also includes the connecting pole that lengthwise position is matched with fixed column, and the first centrum is fixed
On the lateral wall of connecting pole;Connecting pole between the first neighbouring heterophase reactor is longitudinally connected, the connection of bottom
Column bottom is connected with the top of fixed column.
Preferably, the second heterophase reactor system include second housing and its second interior centrum, the second taper ring and
Multiple second centrum connectors, the second centrum is fixed on the center of second housing, second by multiple second centrum connectors
The vertex of a cone of centrum is against the second taper ring.
Preferably, water circulation system includes water pump and water pipe, the water pipe water inlet end connection slurry pool of connection water pump, water pipe
Water side is in the center of the first shell, and its position is in the top of the first centrum;Air inlet pipe, i.e. water pipe sleeve are provided with water pipe
On the outside of air inlet pipe, air inlet pipe outer end connection air pump, the outlet end position of air inlet pipe is in the lower section of water pipe water side, i.e. air inlet
Water pipe, and top of the outlet end position in the first taper ring of air inlet pipe are exposed downwards in the outlet side of pipe, and the purpose is to use
When by air pump control air inlet pipe in air with pressure by above it water pipe water side flow out slurries be fully atomized, abundant mist
The slurries of change can sufficiently be contacted, in pressure with the reaction of flue gas from top to down in first order heterophase reactor with flue gas
In the presence of, residue in oxygen, atomization slurry and flue gas in air fully react, sulfide, nitrogen oxygen in removing flue gas
Compound and carbon dioxide etc..
Preferably, outlet pipe is inverted U shape, inlet end and outlet side that the highest point position in the middle part of outlet pipe is higher than
Height, and outlet pipe inlet end height be higher than outlet pipe outlet side height;At the position of outlet pipe outlet side
In the lower section of the second centrum.It is, in order to extend the course of reaction of oxygen and atomization slurry in flue gas and air, and then to reduce dioxy
Change the discharge capacity of carbon.
Preferably, the temperature sprayed water by water shower device into the second heterophase reactor system in control second housing is not
More than 35 degrees Celsius;Diameter by second housing and the exhaust gas volumn into the first heterophase reactor system are controlled in second housing
The flue gas rate of climb be no more than 3.5 cubic metres per second;The slurry that air with pressure flows out water pipe water side is controlled by air pump
Liquid mist, atomizing pressure 3000Pa-800000Pa, flue gas and atomization slurry reaction temperature are at 50-90 degrees Celsius, further
Lift desulfurization degree, denitrification percent and the dust purification rate to fine particle PM2.5 of flue gas.
Preferably, the conical surface bore of the first taper ring is undergauge from top to bottom, the first centrum maximum gauge is not less than
First taper ring osculum diameter;The conical surface bore of auxiliary taper ring is undergauge from top to bottom, and auxiliary centrum maximum gauge is not small
In auxiliary taper ring osculum diameter;The conical surface bore of second taper ring is undergauge from the bottom up, and the second centrum maximum gauge is not
Less than the second taper ring osculum diameter.
Preferably, the first taper ring is biconial taper ring, the conical surface bore of the first taper ring is undergauge from top to bottom
Expanding again afterwards, the first centrum is biconial centrum, and the first centrum maximum gauge is not less than the first taper ring osculum diameter;Auxiliary cone
Shape circle is biconial taper ring, and the conical surface bore of auxiliary taper ring is expanding again after undergauge from top to bottom, and auxiliary centrum is bipyramid
Shape centrum, auxiliary centrum maximum gauge is not less than auxiliary taper ring osculum diameter;Second taper ring is biconial taper ring, second
The conical surface bore of taper ring is expanding again after undergauge from the bottom up, and the second centrum is biconial centrum, the second centrum maximum gauge
Not less than the second taper ring osculum diameter.
Preferably, being provided with slurries in slurry pool, slurries include one in blast furnace slag, copper smelter slag, flyash, iron scale
Kind or it is a variety of be mixed with water, the concentration of slurries is between 5%-20%.
Preferably, fixed column is solid tubes, fixed column is used to stablize the first heterophase reactor and auxiliary heterophase reactor,
Play a part of support, connecting pole is hollow pipe, be easy to be connected up and down.
Preferably, the second heterophase reactor system also includes the second column, the second column is arranged in second housing, the
Two centrums are arranged on the lateral wall of the second column.
Employ a kind of equipment for flue gas desulfuration and denitrification of above-mentioned technical scheme, the effect of undergauge circle be make by
The flue gas of first heterophase reactor processing fully enters auxiliary heterophase reactor, and an effect of auxiliary heterophase reactor is to prevent
Flue gas without slurry pool react directly from outlet pipe discharge, auxiliary heterophase reactor another effect be to flue gas again
Carry out mixed processing, the especially gas outlet of auxiliaring shell bottom obliquely, and it is outer away from outlet pipe inlet end side
Shell bottom outlet open height is higher than the outer casing bottom outlet open height of outlet pipe inlet end side, because outlet pipe air inlet
Presence, cause the pressure of outlet pipe air inlet near zone to generate change, flue gas is easily to outlet pipe air inlet side
To movement, gas outlet obliquely arrangement can improve this case, especially coordinate demister use, can prevent without
The granular flue gas of slurry pool reaction is directly by outlet pipe, and demister can reduce the temperature of flue gas and slow down it
The speed of operation, another effect of demister is support auxiliary heterophase reactor, installs it and more consolidates.First centrum
The center of the first shell is fixed on by multiple centrum connectors, the first heterophase reactor also includes lengthwise position and fixed column
The connecting pole of matching, the first centrum is fixed on the lateral wall of connecting pole, can be by first by centrum connector and connecting pole
Heterophase reactor install more firmly and stably, the connecting pole between especially neighbouring heterophase reactor longitudinally connects
Connect so that assembling enhanced convenience;Fixed column makes the first heterophase reactor and auxiliary heterophase reactor more stablize and firm, especially
It is that volume is big, the highly high equipment for flue gas desulfuration and denitrification is especially suitable, and fixed column is also reasonably used for fixed aid in
Centrum.In summary, the advantage of the equipment for being used for flue gas desulfuration and denitrification is that structure is novel, and the flue gas desulfurization that burning is produced is taken off
Nitrogen and dust removal effect are good, to the desulfurization degree of flue gas, denitrification percent, all high to fine particle PM2.5 dust purification rate.
Brief description of the drawings
Fig. 1:The structural representation of the embodiment of the present invention.
Embodiment
The embodiment of the present invention is made a detailed explanation with reference to Fig. 1.
A kind of equipment for flue gas desulfuration and denitrification as shown in Figure 1, including the first heterophase reactor system 1, water circulation
System 5, slurry pool 4, slurry discharger 42, outlet pipe 7, the second heterophase reactor system 9 and water shower device 91.
The top of first heterophase reactor system 1 is flue gas inlet port, and the first heterophase reactor system 1 is in slurry pool 4
Top, slurry discharger 42 is connected with slurry pool 4.Slurries 41 are provided with slurry pool 4, slurries 41 include blast furnace slag, refining
One or more in steel stove slag, flyash, iron scale are mixed with water, and the concentration of slurries 41 is between 5%-20%.
Connected between slurry pool 4 and the second heterophase reactor system 9 by outlet pipe 7, water shower device 91 is arranged on
In two heterophase reactor systems 9.Undergauge circle 30, the bottom of undergauge circle 30 are provided between first heterophase reactor system 1 and slurry pool 4
Provided with auxiliary heterophase reactor 3, demister 8, the inlet end of outlet pipe 7 are provided between auxiliary heterophase reactor 3 and slurry pool 4
In between demister 8 and undergauge circle 30.
First heterophase reactor system 1 includes the first heterophase reactor 2 of multiple longitudinally fixed arrangements up and down, each first
Heterophase reactor 2 includes the first shell 24 and its first interior centrum 22, the first taper ring 21 and multiple centrum connectors 23,
First centrum 22 is fixed on the center of the first shell 24 by multiple centrum connectors 23, and the first taper ring 21 is fixed on first
On the madial wall of shell 24, the first taper ring 21 is in the lower section of the first centrum 22, and the cone bottom of the first centrum 22 is bored against first
Shape circle 21.
Heterophase reactor 3 is aided in include auxiliaring shell 33 and its interior auxiliary centrum 32 and auxiliary taper ring 31, auxiliary cone
Shape circle 31 is fixed on the madial wall of auxiliaring shell 33, and auxiliary taper ring 31 is in the lower section of auxiliary centrum 32, aids in centrum 32
Cone bottom against auxiliary taper ring 31.One end of demister 8 is fixed on the lateral wall of auxiliaring shell 33, demister 8 it is another
End is fixed on the madial wall of slurry pool 4, and the gas outlet of the bottom of auxiliaring shell 33 is oblique, and away from the air inlet of outlet pipe 7
The bottom outlet open height of auxiliaring shell 33 of side is held to be higher than the bottom gas outlet of auxiliaring shell 33 of the inlet end side of outlet pipe 7
Highly, the diameter of auxiliaring shell 33 is less than the diameter of the first shell 24.
Second heterophase reactor system 9 includes second housing 94 and its second interior centrum 92, the second taper ring 93 and many
Individual second centrum connector 5, the second centrum 92 is fixed on the center of second housing 94 by multiple second centrum connectors 95,
The vertex of a cone of second centrum 92 is against the second taper ring 93.Second heterophase reactor system 9 can also include the second column 96, second
Column 96 is arranged in second housing 94, and the second centrum 92 is arranged on the lateral wall of the second column 96, and the second column 96 is used for
Second centrum 92 is installed and the installation strength of the second heterophase reactor system 9 is improved.
Fixed column 10 is provided with slurry pool 4, auxiliary centrum 32 is fixed on the lateral wall of fixed column 10;Each first multiphase
Reactor 2 also includes the connecting pole 11 that lengthwise position is matched with fixed column 10, and the first centrum 22 is fixed on the outside of connecting pole 10
On wall, the longitudinal screw of connecting pole 11 connection between the first neighbouring heterophase reactor 2, the bottom of connecting pole 11 of bottom
It is threadedly coupled with the top of fixed column 10, is easy to assembling.Fixed column 10 is solid tubes, and fixed column 10 is used to stablize opposite more than first
Device 2 and auxiliary heterophase reactor 3 are answered, plays a part of support, connecting pole 11 is hollow pipe, is easy to be connected up and down.
The effect of undergauge circle 30 is to make to fully enter auxiliary heterophase reactor by the flue gas that the first heterophase reactor 2 is handled
3, an effect of auxiliary heterophase reactor 3 is to prevent flue gas reacts without slurry pool 4 from directly being discharged from outlet pipe 7, auxiliary
Another effect for helping heterophase reactor 3 is by aiding in centrum 32 and auxiliary taper ring 31 to carry out at mixing flue gas again
Reason, due to the presence of the air inlet of outlet pipe 7, causes the pressure of the air inlet near zone of outlet pipe 7 to generate change, flue gas
Easily moved to the air inlet direction of outlet pipe 7, obliquely arrangement can improve this for the gas outlet of the bottom of auxiliaring shell 33
Situation, especially coordinates the use of demister 8, and the granular flue gas without the reaction of slurry pool 4 can be prevented directly by going out
Feed channel 7, and demister 8 can reduce the temperature of flue gas and slow down the speed of its operation, and another effect of demister 8 is
Support auxiliary heterophase reactor 3, installs it and more consolidates.
Water circulation system 5 includes water pump 51 and water pipe 52, the water inlet end of the water pipe 52 connection slurry pool 4 of connection water pump 51, water
The water side of pipe 52 is in the center of the first shell 24, and its position is in the top of the first centrum of the top.
The outside of air inlet pipe 6 is enclosed on provided with air inlet pipe 6, i.e. water pipe 52 in water pipe 52, connection air pump 61 in the outer end of air inlet pipe 6 enters
The outlet end position of tracheae 6 is in the lower section of the water side of water pipe 52, i.e. the water side of water pipe 52 is exposed downwards in the outlet side of air inlet pipe 6
Outside, and the top of first centrum of the outlet end position in the top of air inlet pipe 6.Pass through air pump 61 during the purpose is to use
The slurries of the water pipe water side outflow above it are fully atomized by air with pressure in control air inlet pipe, and the slurries being fully atomized can
With the reaction with flue gas from top to down, sufficiently contacted with flue gas in the first heterophase reactor system 1, in the effect of pressure
Under, residue in oxygen, atomization slurry and flue gas in air fully react, sulfide, nitrogen oxides in removing flue gas and
Carbon dioxide etc..The temperature sprayed water by water pipe 52 into the first heterophase reactor system 1 in the first heterophase reactor system 1 of control
Degree is no more than 100 degrees Celsius.
Outlet pipe 7 is inverted U shape, inlet end and the height of outlet side that the highest point position in the middle part of outlet pipe 7 is higher than,
And the height of the inlet end of outlet pipe 7 is higher than the height of outlet pipe outlet side.The position of the outlet side of outlet pipe 7 is in second
The lower section of centrum.It is, in order to extend the course of reaction of oxygen and atomization slurry in flue gas and air, and then to reduce carbon dioxide
Discharge capacity.
The temperature sprayed water by water shower device 91 into the second heterophase reactor system 9 in control second housing is no more than 35
Degree Celsius;Diameter by second housing 94 and the exhaust gas volumn into the first heterophase reactor system 1 are controlled in second housing 94
The flue gas rate of climb be no more than 3.5 cubic metres per second;The slurry that air with pressure flows out water pipe water side is controlled by air pump
Liquid mist, atomizing pressure 3000Pa-800000Pa, flue gas and atomization slurry reaction temperature are at 50-90 degrees Celsius, further
Lift desulfurization degree, denitrification percent and the dust purification rate to fine particle PM2.5 of flue gas.
First taper ring 21 is biconial taper ring, and the conical surface bore of the first taper ring 21 is to expand again after undergauge from top to bottom
Footpath, the first centrum 22 is biconial centrum, and the maximum gauge of the first centrum 22 is not less than the first taper ring osculum diameter.Aid in taper
Circle 31 is biconial taper ring, and the conical surface bore of auxiliary taper ring 31 is expanding again after undergauge from top to bottom, and auxiliary centrum 32 is
Biconial centrum, auxiliary centrum 32 maximum gauge is not less than auxiliary taper ring osculum diameter.Second taper ring 93 is biconial cone
Shape circle, the conical surface bore of the second taper ring 93 is expanding again after undergauge from the bottom up, and the second centrum 92 is biconial centrum, second
The maximum gauge of centrum 92 is not less than the osculum diameter of the second taper ring 93.
The inlet end of outlet pipe is between demister and undergauge circle, and position is in auxiliary heterophase reactor outlet
The top of mouth, the outlet side of outlet pipe 7 is connected in the second heterophase reactor system 9, and its position is in the second vertebra of bottommost
The lower section of body.The top of second heterophase reactor system 9 is chimney breast, the water sprayed water into the second heterophase reactor system 9
Shower device 91 is arranged in the second heterophase reactor system 9.Water circulation system 5 includes water pump 51 and water pipe 52, connects water pump 51
The water inlet end of water pipe 52 connection slurry pool 4, the water side of water pipe 52 be in the center of first order heterophase reactor 1, its position is in
The top of the centrum of the top.
The outside of air inlet pipe 6 is enclosed on provided with air inlet pipe 6, i.e. water pipe 52 in water pipe 52, connection air pump 61 in the outer end of air inlet pipe 6 enters
The outlet end position of tracheae 6 is in the lower section of the water side of water pipe 52, i.e. the water side of water pipe 52 is exposed downwards in the outlet side of air inlet pipe 6
Outside, and the top of first centrum of the outlet end position in the top of air inlet pipe 6.By water pipe 52 to the first heterogeneous reaction
Temperature in device in water spray the first heterophase reactor of control and auxiliary heterophase reactor is no more than 100 degrees Celsius.
Outlet pipe 7 is inverted U shape, inlet end and the height of outlet side that the highest point position in the middle part of outlet pipe 7 is higher than,
And the height of the inlet end of outlet pipe 7 is higher than the height of outlet pipe outlet side.
The temperature sprayed water by water shower device 91 into the second heterophase reactor system 9 in the second heterophase reactor system of control
Degree is no more than 35 degrees Celsius.Diameter by second housing and the exhaust gas volumn control second into the first heterophase reactor system
The flue gas rate of climb in shell is no more than 3.5 cubic metres per second, the diameter of such as second housing it is general 1 meter to 20 meters it
Between, the flue gas of respective amount is put into according to specific second housing diameter, the flue gas rate of climb is controlled.
In use, flue gas enters in the first heterophase reactor system, the slurries 41 in slurry pool 4 are passed through water pipe by water pump 51
52 are transported in the first heterophase reactor system, and oxygen-containing air with pressure is transported into first by air inlet pipe 6 by air pump 61
In heterophase reactor system, the slurries 41 fallen above it are fully atomized by air with pressure, and general oxygen-containing air amount is for needed for
To be measured 100-200%, specifically refers to SO in flue gas2Become SO3, NO changes NO2The superfluous system of the amount of the molal quantity needed Deng oxidation
Number, the pressure that slurries are fully atomized is between 3000Pa-800000Pa.The slurries being fully atomized can be with flue gas from top to down
Reaction, the first heterophase reactor and auxiliary heterophase reactor in sufficiently contacted with flue gas, flue gas and atomization slurry 41 are anti-
Answer temperature in 50-90 degree, flue gas pressures are maintained between 3000Pa-10000Pa, under the effect of the pressure, oxygen in air,
Residue in atomization slurry fully reacts with flue gas, the H that flue gas desulfuration and denitrification is produced2SO4And HNO3With reference to in residue
Fe、Al、Mg、SiO2, Mn, C and other elements occur kickback, these elements are to CO2Produce reduction and absorption complexing is anti-
Should, CO in removing flue gas2.Solid particulate matter is fallen into slurry pool 4, and the flue gas fallen from above falls into slurry pool and reacted,
Due to the presence of undergauge circle, auxiliary heterophase reactor and demister, existing partial particulate shape object and high-temperature flue gas are solved
The problem of directly being discharged from outlet pipe 7, it is opposite into more than second that the flue gas after purification passes sequentially through demister and outlet pipe 7
Device system 9 is answered, because the shape and outlet angle of outlet pipe 7 are special, the shape of outlet pipe 7 not only extends the mistake of reaction
Journey and the bottom that flue gas is rushed to the second heterophase reactor system 9 that drops down onto, extend the process of reaction again.Cigarette after purification
Gas is contacted and reacted again by the second heterophase reactor system 9, by water shower device 91 to the second heterophase reactor system
Temperature in system 9 in the second heterophase reactor system 9 of water spray control is no more than 35 degrees Celsius, and its purpose is to reduce by net
The rate of climb of the flue gas of change, coordinates the second heterophase reactor system 9, the desulfurization degree of further lifting flue gas, denitrification percent and
To fine particle PM2.5 dust purification rate, discharged finally by chimney breast.
The discharge capacity of carbon dioxide is effectively controlled by oxygen-containing air and with reference to atomization slurry, relative to traditional two
The discharge capacity of carbonoxide at least reduces by 20%, can be to 98% to the desulfurization degree of flue gas, can be to 90%, to thin to the denitrification percent of flue gas
Particulate matter PM2.5 dust purification rate reaches 95%.
Above-described embodiment is only this patent preferably embodiment, such as above-mentioned first taper ring, the first centrum, auxiliary cone
Shape circle, the second taper ring and the second centrum can also be other structures, and the conical surface bore of such as the first taper ring is from upper past
Lower undergauge, the first centrum maximum gauge is not less than the first taper ring osculum diameter.The conical surface bore for aiding in taper ring is from upper
Down undergauge, auxiliary centrum maximum gauge is not less than auxiliary taper ring osculum diameter;The conical surface bore of second taper ring be from
Under up undergauge, the second centrum maximum gauge is not less than the second taper ring osculum diameter.The conical surface bore of second taper ring is
Undergauge from the bottom up, the second centrum maximum gauge is not less than the osculum diameter of the second taper ring;Another is the second taper ring
It is biconial taper ring, the conical surface bore of the second taper ring is expanding again after undergauge from the bottom up, and the second centrum is biconial vertebra
Body, the second centrum maximum gauge is not less than the second taper ring osculum diameter.
Claims (10)
1. a kind of equipment for flue gas desulfuration and denitrification, including the first heterophase reactor system, water circulation system, slurry pool, material
Starch discharger, outlet pipe, the second heterophase reactor system and water shower device;It is cigarette at the top of first heterophase reactor system
Gas inlet port, the first heterophase reactor system is in the top of slurry pool, and slurry discharger is connected with slurry pool;Slurry pool with
Connected between second heterophase reactor system by outlet pipe, water shower device is arranged in the second heterophase reactor system;Its
It is characterised by between the first heterophase reactor system and slurry pool being provided with undergauge circle, undergauge circle bottom is provided with auxiliary heterogeneous reaction
Device, is provided with demister between auxiliary heterophase reactor and slurry pool, the inlet end of outlet pipe is in demister and undergauge circle
Between;
First heterophase reactor system includes the first heterophase reactor of multiple longitudinally fixed arrangements up and down, opposite more than each first
Device is answered to include the first shell and its first interior centrum, the first taper ring and multiple centrum connectors, the first centrum passes through many
Individual centrum connector is fixed on the center of the first shell, and the first taper ring is fixed on the madial wall of the first shell, the first cone
Shape circle is in the lower section of the first centrum, and the cone bottom of the first centrum is against the first taper ring;
Heterophase reactor is aided in include auxiliaring shell and its interior auxiliary centrum and auxiliary taper ring, auxiliary taper ring is fixed on auxiliary
Help on the madial wall of shell, auxiliary taper ring is in the lower section of auxiliary centrum, aid in the opposite auxiliary taper ring in cone bottom of centrum;Remove
One end of day with fog is fixed on the lateral wall of auxiliaring shell, and the other end of demister is fixed on the madial wall of slurry pool;Auxiliary
The gas outlet of outer casing bottom is oblique, and the auxiliaring shell bottom outlet open height away from outlet pipe inlet end side is higher than
The auxiliaring shell bottom outlet open height of outlet pipe inlet end side;Auxiliaring shell diameter is less than the first housing diameter;
Fixed column is provided with slurry pool, auxiliary centrum is fixed on the lateral wall of fixed column;Each first heterophase reactor is also wrapped
The connecting pole that lengthwise position is matched with fixed column is included, the first centrum is fixed on the lateral wall of connecting pole;Neighbouring first
Connecting pole between heterophase reactor is longitudinally connected, and the connection column bottom of bottom is connected with the top of fixed column.
2. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterised in that the second heterophase reactor
System includes second housing and its second interior centrum, the second taper ring and multiple second centrum connectors, and the second centrum passes through
Multiple second centrum connectors are fixed on the center of second housing, and the vertex of a cone of the second centrum is against the second taper ring.
3. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterised in that water circulation system includes
Water pump and water pipe, the water pipe water inlet end connection slurry pool of connection water pump, water pipe water side is in the center of the first shell, its position
Put the top in the first centrum;In water pipe provided with air inlet pipe, i.e. water pipe sleeve on the outside of air inlet pipe, air inlet pipe outer end connection gas
Pump, the outlet end position of air inlet pipe is in the lower section of water pipe water side, i.e. water pipe, and air inlet are exposed downwards in the outlet side of air inlet pipe
The outlet end position of pipe is in the top of the first taper ring.
4. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterised in that outlet pipe is in U
Highest point position in the middle part of shape, outlet pipe is higher than the inlet end of outlet pipe and the height of outlet side, and outlet pipe air inlet
The height at end is higher than the height of outlet pipe outlet side;The position of outlet pipe outlet side is in the lower section of the second centrum.
5. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterised in that by water shower device to
Temperature in second heterophase reactor system in water spray control second housing is no more than 35 degrees Celsius;
Diameter by second housing and the exhaust gas volumn into the first heterophase reactor system are controlled on the flue gas in second housing
Lifting speed is no more than 3.5 cubic metres per second;The slurry spraying that air with pressure flows out water pipe water side, mist are controlled by air pump
Change pressure 3000Pa-800000Pa, flue gas is with atomization slurry reaction temperature at 50-90 degrees Celsius.
6. a kind of equipment for flue gas desulfuration and denitrification according to claim 2, it is characterised in that the cone of the first taper ring
Face bore is undergauge from top to bottom, and the first centrum maximum gauge is not less than the first taper ring osculum diameter;Aid in taper ring
Conical surface bore is undergauge from top to bottom, and auxiliary centrum maximum gauge is not less than auxiliary taper ring osculum diameter;Second taper ring
Conical surface bore be undergauge from the bottom up, the second centrum maximum gauge is not less than the second taper ring osculum diameter.
7. a kind of equipment for flue gas desulfuration and denitrification according to claim 2, it is characterised in that the first taper ring is double
Taper taper ring, the conical surface bore of the first taper ring is expanding again after undergauge from top to bottom, and the first centrum is biconial centrum,
One centrum maximum gauge is not less than the first taper ring osculum diameter;It is biconial taper ring to aid in taper ring, auxiliary taper ring
Conical surface bore is expanding again after undergauge from top to bottom, and auxiliary centrum is biconial centrum, and auxiliary centrum maximum gauge is not less than auxiliary
Help taper ring osculum diameter;Second taper ring is biconial taper ring, and the conical surface bore of the second taper ring is undergauge from the bottom up
Expanding again afterwards, the second centrum is biconial centrum, and the second centrum maximum gauge is not less than the second taper ring osculum diameter.
8. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterised in that provided with slurry in slurry pool
Liquid, the one or more that slurries are included in blast furnace slag, copper smelter slag, flyash, iron scale are mixed with water, the concentration of slurries
Between 5%-20%.
9. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterised in that fixed column is solid tubes,
Connecting pole is hollow pipe.
10. a kind of equipment for flue gas desulfuration and denitrification according to claim 2, it is characterised in that the second heterophase reactor
System also includes the second column, and the second column is arranged in second housing, and the second centrum is arranged on the lateral wall of the second column.
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CN105344218B true CN105344218B (en) | 2017-08-04 |
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CN106215677A (en) * | 2016-09-03 | 2016-12-14 | 史汉祥 | Reactor, smoke extractor and flue gas processing device for fume treatment |
CN106178921A (en) * | 2016-09-03 | 2016-12-07 | 史汉祥 | Reactor and flue gas processing device for fume treatment |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2532908Y (en) * | 2002-06-27 | 2003-01-29 | 史汉祥 | Reactor for heterogenous reaction |
CN103566728A (en) * | 2013-11-12 | 2014-02-12 | 史汉祥 | Equipment for desulfurization and denitrification of flue gas |
CN103599683A (en) * | 2013-11-13 | 2014-02-26 | 史汉祥 | Desulphurization and denitrification device for flue gas |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2532908Y (en) * | 2002-06-27 | 2003-01-29 | 史汉祥 | Reactor for heterogenous reaction |
CN103566728A (en) * | 2013-11-12 | 2014-02-12 | 史汉祥 | Equipment for desulfurization and denitrification of flue gas |
CN103599683A (en) * | 2013-11-13 | 2014-02-26 | 史汉祥 | Desulphurization and denitrification device for flue gas |
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