CN105344218A - Apparatus for flue gas desulfurization and denitrification - Google Patents
Apparatus for flue gas desulfurization and denitrification Download PDFInfo
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- CN105344218A CN105344218A CN201510802315.2A CN201510802315A CN105344218A CN 105344218 A CN105344218 A CN 105344218A CN 201510802315 A CN201510802315 A CN 201510802315A CN 105344218 A CN105344218 A CN 105344218A
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- centrum
- taper ring
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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
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Abstract
The invention relates to the field of air purifying apparatuses, and relates to an apparatus for flue gas desulfurization and denitrification. The apparatus for flue gas desulfurization and denitrification comprises a first polyphase reactor system, a water circulation system, a slurry pool, a slurry discharge device, a gas outlet pipeline, a second polyphase reactor and a water spraying device; and a necking ring is arranged between the first polyphase reactor system and the slurry pool, the bottom of the necking ring is provided with an auxiliary polyphase reactor, a demister is arranged between the auxiliary polyphase reactor and the slurry pool, and the gas inlet end of the gas outlet pipeline is positioned between the demister and the necking ring. The apparatus for flue gas desulfurization and denitrification has the advantages of novel structure, good desulfurization, denitrification and dust removal effects on flue gas generated in the combustion process, and high desulfurization rate, denitrification rate and fine particle PM2.5 dust purifying rate of the flue gas.
Description
Technical field
The present invention relates to air cleaning facility field, especially a kind of flue gas produced for purified industrial burning, makes the equipment of flue gas desulfuration and denitrification.
Background technology
The industrial smoke that industrial fuel burning produces mainly refers to a large amount of flue gas that the burning of Industrial Boiler produces and dust, in China, and SO
2that mainly discharges from fired coal combustion accounts for 90%, NOx90% from fuel combustion, all can produce a large amount of flue gases in Thermal Power Enterprises and metal smelt enterprise production process, and therefore desulfurization removing nitric is the main target that China administers that pollution that caused by coal burning improves atmospheric environment.Such as, steel mill in metal smelt, includes oxysulfide, nitrogen oxide, carbide slag and other waste residue dust etc. in its flue gas of discharging; Carbide, oxysulfide, nitrogen oxide and flyash etc. are included in the flue gas that firepower electrical plant is discharged.
Applicant had applied for the equipment for flue gas desulfuration and denitrification, as Chinese patent CN201310562110.2, other problem has been found, specifically: 1. the treating apparatus heterophase reactor unreasonable structure that flue gas is main, have impact on desulfurization removing nitric purified treatment effect in the process used; 2. do not fall into slurry pool by the partial particulate shape object of heterophase reactor and high-temperature flue gas can directly discharge from outlet pipe; 3. in order to increase the redox efficiency of waste residue in slurry pool, can pour air in slurry pool, in slurry pool, pour air return a large amount of bubble of generation, pumping for water pump amount is very large, the service life of the how easy reduction water pump of bubble.In addition, adopt the time of the flue gas desulfuration and denitrification device processes of return duct structure long.
Summary of the invention
The object of the invention is the deficiency that the equipment in order to solve above-mentioned existing flue gas desulfuration and denitrification exists, a kind of novel structure being provided, the effective equipment for flue gas desulfuration and denitrification of desulfurization removing nitric purified treatment is carried out to flue gas.
In order to realize above-mentioned object, present invention employs following technical scheme:
For an equipment for flue gas desulfuration and denitrification, comprise the first heterophase reactor system, water circulation system, slurry pool, slip discharger, outlet pipe, the second heterophase reactor system and water shower device; The top of the first heterophase reactor system is flue gas inlet port, and the first heterophase reactor system is in the top of slurry pool, and slip discharger is connected with slurry pool; Be communicated with by outlet pipe between slurry pool with the second heterophase reactor system, water shower device is arranged in the second heterophase reactor system; Be provided with undergauge circle between first heterophase reactor system and slurry pool, be provided with auxiliary heterophase reactor bottom undergauge circle, assist and be provided with demister between heterophase reactor and slurry pool, the inlet end of outlet pipe is between demister and undergauge circle; First heterophase reactor system comprises the first heterophase reactor of multiple longitudinal stationary arrangement up and down, each first heterophase reactor includes the first shell and the first interior centrum, the first taper ring and multiple centrum connector, first centrum is fixed on the center of the first shell by multiple centrum connector, first taper ring is fixed on the madial wall of the first shell, first taper ring is in the below of the first centrum, facing to the first taper ring at the bottom of the cone of the first centrum; Auxiliary heterophase reactor comprises auxiliaring shell and interior auxiliary centrum thereof and auxiliary taper ring, and auxiliary taper ring is fixed on the madial wall of auxiliaring shell, and auxiliary taper ring is in the below of auxiliary centrum, facing to auxiliary taper ring at the bottom of the cone of auxiliary centrum; One end of demister is fixed on the lateral wall of auxiliaring shell, and the other end of demister is fixed on the madial wall of slurry pool; Gas outlet bottom auxiliaring shell is skewed, and away from gas outlet height bottom the auxiliaring shell of outlet pipe inlet end side higher than gas outlet height bottom the auxiliaring shell of outlet pipe inlet end side; Auxiliaring shell diameter is less than the first housing diameter; Be provided with fixed leg in slurry pool, auxiliary centrum is fixed on the lateral wall of fixed leg; Each first heterophase reactor also comprises the joint pin that lengthwise position is mated with fixed leg, and the first centrum is fixed on the lateral wall of joint pin; Joint pin between the first neighbouring heterophase reactor longitudinally connects, and is connected bottom the joint pin of bottom with the top of fixed leg.
As preferably, second heterophase reactor system comprises second housing and the second interior centrum, the second taper ring and multiple second centrum connector, second centrum is fixed on the center of second housing by multiple second centrum connector, and the vertex of a cone of the second centrum is facing to the second taper ring.
As preferably, water circulation system comprises water pump and water pipe, and the water pipe water inlet end connecting water pump is communicated with slurry pool, and 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 is provided with in water pipe, namely water pipe sleeve is outside air inlet pipe, air inlet pipe outer end connects air pump, the position, outlet side of air inlet pipe is in the below of water pipe water side, namely water pipe is exposed downwards in the outlet side of air inlet pipe, and the position, outlet side of air inlet pipe is in the top of the first taper ring, control air with pressure in air inlet pipe by air pump when its objective is use the slurries that the water pipe water side above it is flowed out fully are atomized, the slurries of abundant atomization can with flue gas reaction from top to down, contact fully with flue gas in first order heterophase reactor, under the effect of the pressure, oxygen in air, residue in atomization slurry and flue gas fully react, remove the sulfide in flue gas, nitrogen oxide and carbon dioxide etc.
As preferably, outlet pipe is inverted U-shaped, the highest point position in the middle part of outlet pipe higher than inlet end and the height of outlet side, and the height of outlet pipe inlet end is higher than the height of outlet pipe outlet side; The position of outlet pipe outlet side is in the below of the second centrum.Be the course of reaction in order to oxygen and atomization slurry in prolong smoke and air, and then reduce the discharge capacity of carbon dioxide.
As preferably, be no more than 35 degrees Celsius by the water shower device temperature controlled in second housing of spraying water in the second heterophase reactor system; 3.5 cubic metres per second are no more than with the flue gas rate of climb entered in the exhaust gas volumn control second housing of the first heterophase reactor system by the diameter of second housing; The slurry spraying that water pipe water side flows out by air with pressure is controlled by air pump, atomizing pressure 3000pa-800000pa, flue gas and atomization slurry reaction temperature, at 50-90 degrees Celsius, further promote the desulfurization degree of flue gas, denitrification percent and the dust purification rate to fine particle PM2.5.
As preferably, the conical surface bore of the first taper ring is undergauge from top to bottom, and the first centrum maximum gauge is not less than the 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 less than auxiliary taper ring osculum diameter; The conical surface bore of the 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.
As preferably, the first taper ring is biconial taper ring, and 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, and the first centrum maximum gauge is not less than the first taper ring osculum diameter; Auxiliary taper ring 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 biconial centrum, and auxiliary centrum maximum gauge is not less than auxiliary taper ring osculum diameter; Second taper ring is biconial taper ring, and the conical surface bore of the second taper ring is expanding again after undergauge from the bottom up, and the second centrum is biconial centrum, and the second centrum maximum gauge is not less than the second taper ring osculum diameter.
As preferably, be provided with slurries in slurry pool, one or more and water that slurries comprise in blast furnace slag, copper smelter slag, flyash, iron scale are mixed, and the concentration of slurries is between 5%-20%.
As preferably, fixed leg is solid tubes, and fixed leg is used for stablizing the first heterophase reactor and auxiliary heterophase reactor, and play the effect of support, joint pin is hollow pipe, is convenient to be connected up and down.
As preferably, the second heterophase reactor system also comprises 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.
Have employed a kind of equipment for flue gas desulfuration and denitrification of above-mentioned technical scheme, the effect of undergauge circle makes the flue gas through the first heterophase reactor process all enter auxiliary heterophase reactor, an effect of auxiliary heterophase reactor prevents flue gas from directly discharging from outlet pipe without slurry pool reaction, another effect of auxiliary heterophase reactor again carries out mixed processing to flue gas, especially the gas outlet bottom auxiliaring shell is skewed, and away from the outer casing bottom gas outlet height of outlet pipe inlet end side higher than the outer casing bottom gas outlet height of outlet pipe inlet end side, because the existence of outlet pipe air inlet, the pressure of outlet pipe air inlet near zone is caused to create change, flue gas easily moves to outlet pipe air inlet direction, gas outlet is that skewed arrangement can improve this situation, especially the use of demister is coordinated, can prevent the granular flue gas without slurry pool reaction from directly passing through outlet pipe, and the temperature that demister can reduce flue gas slow down its speed run, another effect of demister supports auxiliary heterophase reactor, it is made to install more firm.First centrum is fixed on the center of the first shell by multiple centrum connector, first heterophase reactor also comprises the joint pin that lengthwise position is mated with fixed leg, first centrum is fixed on the lateral wall of joint pin, by the more firm of the first heterophase reactor installation and can be stablized by centrum connector and joint pin, especially the joint pin between neighbouring heterophase reactor longitudinally connects, and makes assembling more convenient; Fixed leg makes the first heterophase reactor and auxiliary heterophase reactor more stable and firmly, and especially volume greatly, the highly high equipment for flue gas desulfuration and denitrification is especially applicable, and fixed leg is also rational for fixing auxiliary centrum.In sum, this advantage being used for the equipment of flue gas desulfuration and denitrification is novel structure, the flue gas desulfuration and denitrification that burning is produced and dust removal effect good, to the desulfurization degree of flue gas, denitrification percent, all high to the dust purification rate of fine particle PM2.5.
Accompanying drawing explanation
Fig. 1: the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with Fig. 1, the specific embodiment of the present invention is made a detailed explanation.
A kind of equipment for flue gas desulfuration and denitrification as shown in Figure 1, comprises the first heterophase reactor system 1, water circulation system 5, slurry pool 4, slip discharger 42, outlet pipe 7, second heterophase reactor system 9 and water shower device 91.
The top of the first heterophase reactor system 1 is flue gas inlet port, and the first heterophase reactor system 1 is in the top of slurry pool 4, and slip discharger 42 is connected with slurry pool 4.Be provided with slurries 41 in slurry pool 4, one or more and water that slurries 41 comprise in blast furnace slag, copper smelter slag, flyash, iron scale are mixed, and the concentration of slurries 41 is between 5%-20%.
Be communicated with by outlet pipe 7 between slurry pool 4 with the second heterophase reactor system 9, water shower device 91 is arranged in the second heterophase reactor system 9.Undergauge circle 30 is provided with between first heterophase reactor system 1 and slurry pool 4, auxiliary heterophase reactor 3 is provided with bottom undergauge circle 30, assist and be provided with demister 8 between heterophase reactor 3 and slurry pool 4, the inlet end of outlet pipe 7 is between demister 8 and undergauge circle 30.
First heterophase reactor system 1 comprises the first heterophase reactor 2 of multiple longitudinal stationary arrangement up and down, each first heterophase reactor 2 includes the first shell 24 and the first interior centrum 22, first taper ring 21 thereof and multiple centrum connector 23, first centrum 22 is fixed on the center of the first shell 24 by multiple centrum connector 23, first taper ring 21 is fixed on the madial wall of the first shell 24, first taper ring 21 is in the below of the first centrum 22, facing to the first taper ring 21 at the bottom of the cone of the first centrum 22.
Auxiliary heterophase reactor 3 comprises auxiliaring shell 33 and interior auxiliary centrum 32 thereof and auxiliary taper ring 31, auxiliary taper ring 31 is fixed on the madial wall of auxiliaring shell 33, auxiliary taper ring 31 is in the below of auxiliary centrum 32, facing to auxiliary taper ring 31 at the bottom of the cone of auxiliary centrum 32.One end of demister 8 is fixed on the lateral wall of auxiliaring shell 33, the other end of demister 8 is fixed on the madial wall of slurry pool 4, gas outlet bottom auxiliaring shell 33 is skewed, and away from gas outlet height bottom the auxiliaring shell 33 of outlet pipe 7 inlet end side higher than gas outlet height bottom the auxiliaring shell 33 of outlet pipe 7 inlet end side, auxiliaring shell 33 diameter is less than the first shell 24 diameter.
Second heterophase reactor system 9 comprises second housing 94 and the second interior centrum 92, second taper ring 93 thereof and multiple second centrum connector 5, second centrum 92 is fixed on the center of second housing 94 by multiple second centrum connector 95, and the vertex of a cone of the second centrum 92 is facing to the second taper ring 93.Second heterophase reactor system 9 can also comprise the second column 96, second column 96 is arranged in second housing 94, second centrum 92 is arranged on the lateral wall of the second column 96, and the second column 96 is for installing the installation strength of the second centrum 92 and raising the second heterophase reactor system 9.
Be provided with fixed leg 10 in slurry pool 4, auxiliary centrum 32 is fixed on the lateral wall of fixed leg 10; Each first heterophase reactor 2 also comprises the joint pin 11 that lengthwise position is mated with fixed leg 10, first centrum 22 is fixed on the lateral wall of joint pin 10, joint pin 11 longitudinal screw between the first neighbouring heterophase reactor 2 connects, be threaded with the top of fixed leg 10 bottom the joint pin 11 of bottom, be convenient to assembling.Fixed leg 10 is solid tubes, and fixed leg 10, for stablizing the first heterophase reactor 2 and auxiliary heterophase reactor 3, plays the effect of support, and joint pin 11 is hollow pipes, is convenient to be connected up and down.
The effect of undergauge circle 30 makes the flue gas processed through the first heterophase reactor 2 all enter auxiliary heterophase reactor 3, an effect of auxiliary heterophase reactor 3 prevents from flue gas from reacting without slurry pool 4 directly to discharge from outlet pipe 7, another effect of auxiliary heterophase reactor 3 again carries out mixed processing by auxiliary centrum 32 and auxiliary taper ring 31 pairs of flue gases, due to the existence of outlet pipe 7 air inlet, the pressure of outlet pipe 7 air inlet near zone is caused to create change, flue gas easily moves to outlet pipe 7 air inlet direction, gas outlet bottom auxiliaring shell 33 is that skewed arrangement can improve this situation, especially the use of demister 8 is coordinated, the granular flue gas reacted without slurry pool 4 can be prevented directly by outlet pipe 7, and the temperature that demister 8 can reduce flue gas slow down its speed run, another effect of demister 8 supports auxiliary heterophase reactor 3, it is made to install more firm.
Water circulation system 5 comprises water pump 51 and water pipe 52, and water pipe 52 water inlet end connecting water pump 51 is communicated with slurry pool 4, and water pipe 52 water side is in the first shell 24 center, and its position is in the top of the first centrum of the top.
Air inlet pipe 6 is provided with in water pipe 52, namely water pipe 52 is enclosed within outside air inlet pipe 6, air inlet pipe 6 outer end connects air pump 61, the position, outlet side of air inlet pipe 6 is in the below of water pipe 52 water side, namely the outlet side of air inlet pipe 6 is exposed downwards outside water pipe 52 water side, and the position, outlet side of air inlet pipe 6 is in the top of the first centrum of the top.Control air with pressure in air inlet pipe by air pump 61 when its objective is use the slurries that the water pipe water side above it is flowed out fully are atomized, the slurries of abundant atomization can with flue gas reaction from top to down, contact fully with flue gas in the first heterophase reactor system 1, under the effect of the pressure, oxygen in air, the residue in atomization slurry and flue gas fully react, and remove the sulfide in flue gas, nitrogen oxide and carbon dioxide etc.100 degrees Celsius are no more than by water pipe 52 temperature of spraying water in control first heterophase reactor system 1 in the first heterophase reactor system 1.
Outlet pipe 7 in inverted U-shaped, the highest point position in the middle part of outlet pipe 7 higher than inlet end and the height of outlet side, and the height of outlet pipe 7 inlet end is higher than the height of outlet pipe outlet side.The position of outlet pipe 7 outlet side is in the below of the second centrum.Be the course of reaction in order to oxygen and atomization slurry in prolong smoke and air, and then reduce the discharge capacity of carbon dioxide.
The temperature of being sprayed water in the second heterophase reactor system 9 in control second housing by water shower device 91 is no more than 35 degrees Celsius; 3.5 cubic metres per second are no more than with the flue gas rate of climb entered in the exhaust gas volumn control second housing 94 of the first heterophase reactor system 1 by the diameter of second housing 94; The slurry spraying that water pipe water side flows out by air with pressure is controlled by air pump, atomizing pressure 3000pa-800000pa, flue gas and atomization slurry reaction temperature, at 50-90 degrees Celsius, further promote the desulfurization degree of flue gas, denitrification percent and the dust purification rate to fine particle PM2.5.
First taper ring 21 is biconial taper rings, and the conical surface bore of the first taper ring 21 is expanding again after undergauge from top to bottom, and the first centrum 22 is biconial centrums, and the first centrum 22 maximum gauge is not less than the first taper ring osculum diameter.Auxiliary taper ring 31 is biconial taper rings, 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 centrums, and auxiliary centrum 32 maximum gauge is not less than auxiliary taper ring osculum diameter.Second taper ring 93 is biconial taper rings, and 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 centrums, and the second centrum 92 maximum gauge is not less than the second taper ring 93 osculum diameter.
The inlet end of outlet pipe is between demister and undergauge circle, and position is in the top of auxiliary heterophase reactor gas outlet, and the outlet side of outlet pipe 7 is connected in the second heterophase reactor system 9, and its position is in the below of the second centrum of bottommost.The top of the second heterophase reactor system 9 is chimney breasts, and in the second heterophase reactor system 9, the water shower device 91 of water spray is arranged in the second heterophase reactor system 9.Water circulation system 5 comprises water pump 51 and water pipe 52, and water pipe 52 water inlet end connecting water pump 51 is communicated with slurry pool 4, and water pipe 52 water side is in first order heterophase reactor 1 center, and its position is in the top of the centrum of the top.
Air inlet pipe 6 is provided with in water pipe 52, namely water pipe 52 is enclosed within outside air inlet pipe 6, air inlet pipe 6 outer end connects air pump 61, the position, outlet side of air inlet pipe 6 is in the below of water pipe 52 water side, namely the outlet side of air inlet pipe 6 is exposed downwards outside water pipe 52 water side, and the position, outlet side of air inlet pipe 6 is in the top of the first centrum of the top.100 degrees Celsius are no more than by water pipe 52 temperature of spraying water in control first heterophase reactor and auxiliary heterophase reactor in the first heterophase reactor.
Outlet pipe 7 in inverted U-shaped, the highest point position in the middle part of outlet pipe 7 higher than inlet end and the height of outlet side, and the height of outlet pipe 7 inlet end is higher than the height of outlet pipe outlet side.
35 degrees Celsius are no more than by the water shower device 91 intrasystem temperature of control second heterophase reactor of spraying water in the second heterophase reactor system 9.By the diameter of second housing and enter the first heterophase reactor system the flue gas rate of climb that controls in second housing of exhaust gas volumn be no more than 3.5 cubic metres per second, the diameter of such as second housing is generally between 1 meter to 20 meters, put into the flue gas of respective amount according to concrete second housing diameter, control the flue gas rate of climb.
During use, flue gas enters in the first heterophase reactor system, slurries 41 in slurry pool 4 are transported in the first heterophase reactor system by water pipe 52 by water pump 51, be transported to first heterophase reactor system in containing oxygen air by air inlet pipe 6 by with pressure by air pump 61, the slurries 41 fallen above it are fully atomized by air with pressure, general is 100-200% of requirement containing oxygen air capacity, specifically refers to SO in flue gas
2become SO
3, NO becomes NO
2deng the coefficient of excess of the amount of the molal quantity of oxidation needs, the pressure be fully atomized by slurries is between 3000Pa-800000Pa.The slurries of abundant atomization can with flue gas reaction from top to down, contact fully with flue gas in the first heterophase reactor with auxiliary heterophase reactor, flue gas and atomization slurry 41 reaction temperature are at 50-90 degree, flue gas pressures remains between 3000Pa-10000Pa, under the effect of the pressure, oxygen in air, the residue in atomization slurry and flue gas fully react, the H that flue gas desulfuration and denitrification produces
2sO
4and HNO
3in conjunction with to Fe, Al, Mg, the SiO in residue
2, Mn, C and other element generation kickback, these elements are to CO
2produce Reduce and adsorption complex reaction, remove CO in flue gas
2.Solid particulate matter falls into slurry pool 4, the flue gas fallen from top falls into slurry pool and reacts, due to undergauge circle, the existence of auxiliary heterophase reactor and demister, solve existing partial particulate shape object and high-temperature flue gas directly from the problem that outlet pipe 7 is discharged, flue gas after purification enters the second heterophase reactor system 9 by demister and outlet pipe 7 successively, because the shape of outlet pipe 7 is special with angle of giving vent to anger, the shape of outlet pipe 7 not only extends the process of reaction but also flue gas punching is dropped down onto the bottom of the second heterophase reactor system 9, extend the process of reaction again.Flue gas after purification is undertaken contacting and reacting by the second heterophase reactor system 9 again, 35 degrees Celsius are no more than by water shower device 91 temperature of spraying water in control second heterophase reactor system 9 in the second heterophase reactor system 9, its objective is the rate of climb in order to reduce the flue gas through purification, coordinate the second heterophase reactor system 9, the desulfurization degree of further lifting flue gas, denitrification percent and the dust purification rate to fine particle PM2.5, discharge finally by chimney breast.
By containing oxygen air and the discharge capacity effectively controlling carbon dioxide in conjunction with atomization slurry, at least 20% is reduced relative to the discharge capacity of traditional carbon dioxide, to 98%, to 90%, 95% can be reached to the dust purification rate of fine particle PM2.5 to the denitrification percent of flue gas to the desulfurization degree of flue gas.
Above-described embodiment is only this patent preferably embodiment, such as above-mentioned first taper ring, the first centrum, auxiliary taper ring, the second taper ring and the second centrum can also be other structures, the conical surface bore of such as the first taper ring is undergauge from top to bottom, and the first centrum maximum gauge is not less than the 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 less than auxiliary taper ring osculum diameter; The conical surface bore of the 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.The conical surface bore of the second taper ring is undergauge from the bottom up, and the second centrum maximum gauge is not less than the osculum diameter of the second taper ring; Another kind is the second taper ring is biconial taper ring, and the conical surface bore of the second taper ring is expanding again after undergauge from the bottom up, and the second centrum is biconial centrum, and the second centrum maximum gauge is not less than the second taper ring osculum diameter.
Claims (10)
1., for an equipment for flue gas desulfuration and denitrification, comprise the first heterophase reactor system, water circulation system, slurry pool, slip discharger, outlet pipe, the second heterophase reactor system and water shower device; The top of the first heterophase reactor system is flue gas inlet port, and the first heterophase reactor system is in the top of slurry pool, and slip discharger is connected with slurry pool; Be communicated with by outlet pipe between slurry pool with the second heterophase reactor system, water shower device is arranged in the second heterophase reactor system; It is characterized in that being provided with undergauge circle between the first heterophase reactor system and slurry pool, be provided with auxiliary heterophase reactor bottom undergauge circle, assist and be provided with demister between heterophase reactor and slurry pool, the inlet end of outlet pipe is between demister and undergauge circle;
First heterophase reactor system comprises the first heterophase reactor of multiple longitudinal stationary arrangement up and down, each first heterophase reactor includes the first shell and the first interior centrum, the first taper ring and multiple centrum connector, first centrum is fixed on the center of the first shell by multiple centrum connector, first taper ring is fixed on the madial wall of the first shell, first taper ring is in the below of the first centrum, facing to the first taper ring at the bottom of the cone of the first centrum;
Auxiliary heterophase reactor comprises auxiliaring shell and interior auxiliary centrum thereof and auxiliary taper ring, and auxiliary taper ring is fixed on the madial wall of auxiliaring shell, and auxiliary taper ring is in the below of auxiliary centrum, facing to auxiliary taper ring at the bottom of the cone of auxiliary centrum; One end of demister is fixed on the lateral wall of auxiliaring shell, and the other end of demister is fixed on the madial wall of slurry pool; Gas outlet bottom auxiliaring shell is skewed, and away from gas outlet height bottom the auxiliaring shell of outlet pipe inlet end side higher than gas outlet height bottom the auxiliaring shell of outlet pipe inlet end side; Auxiliaring shell diameter is less than the first housing diameter;
Be provided with fixed leg in slurry pool, auxiliary centrum is fixed on the lateral wall of fixed leg; Each first heterophase reactor also comprises the joint pin that lengthwise position is mated with fixed leg, and the first centrum is fixed on the lateral wall of joint pin; Joint pin between the first neighbouring heterophase reactor longitudinally connects, and is connected bottom the joint pin of bottom with the top of fixed leg.
2. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterized in that the second heterophase reactor system comprises second housing and the second interior centrum, the second taper ring and multiple second centrum connector, second centrum is fixed on the center of second housing by multiple second centrum connector, and the vertex of a cone of the second centrum is facing to the second taper ring.
3. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterized in that water circulation system comprises water pump and water pipe, the water pipe water inlet end connecting water pump is communicated with slurry pool, and 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 is provided with in water pipe, namely water pipe sleeve is outside air inlet pipe, and air inlet pipe outer end connects air pump, and the position, outlet side of air inlet pipe is in the below of water pipe water side, namely water pipe is exposed downwards in the outlet side of air inlet pipe, and the position, outlet side of air inlet 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 characterized in that outlet pipe is inverted U-shaped, highest point position in the middle part of outlet pipe higher than inlet end and the height of outlet side, and the height of outlet pipe inlet end is higher than the height of outlet pipe outlet side; The position of outlet pipe outlet side is in the below of the second centrum.
5. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, is characterized in that the temperature of being sprayed water in the second heterophase reactor system in control second housing by water shower device is no more than 35 degrees Celsius; 3.5 cubic metres per second are no more than with the flue gas rate of climb entered in the exhaust gas volumn control second housing of the first heterophase reactor system by the diameter of second housing; Control by air pump the slurry spraying that water pipe water side flows out by air with pressure, atomizing pressure 3000pa-800000pa, flue gas and atomization slurry reaction temperature are at 50-90 degrees Celsius.
6. a kind of equipment for flue gas desulfuration and denitrification according to claim 2, it is characterized in that the conical surface bore of the first taper ring is undergauge from top to bottom, the first centrum maximum gauge is not less than the 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 less than auxiliary taper ring osculum diameter; The conical surface bore of the 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.
7. a kind of equipment for flue gas desulfuration and denitrification according to claim 2, it is characterized in that the first taper ring is biconial taper ring, the conical surface bore of the first taper ring is expanding again after undergauge from top to bottom, first centrum is biconial centrum, and the first centrum maximum gauge is not less than the first taper ring osculum diameter; Auxiliary taper ring 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 biconial centrum, and auxiliary centrum maximum gauge is not less than auxiliary taper ring osculum diameter; Second taper ring is biconial taper ring, and the conical surface bore of the second taper ring is expanding again after undergauge from the bottom up, and 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 characterized in that being provided with slurries in slurry pool, one or more and water that slurries comprise in blast furnace slag, copper smelter slag, flyash, iron scale are mixed, and the concentration of slurries is between 5%-20%.
9. a kind of equipment for flue gas desulfuration and denitrification according to claim 1, it is characterized in that fixed leg is solid tubes, joint pin is hollow pipe.
10. a kind of equipment for flue gas desulfuration and denitrification according to claim 2, it is characterized in that the second heterophase reactor system also comprises the second column, 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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| CN201510802315.2A CN105344218B (en) | 2015-11-19 | 2015-11-19 | A kind of equipment for flue gas desulfuration and denitrification |
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| CN201510802315.2A CN105344218B (en) | 2015-11-19 | 2015-11-19 | A kind of equipment for flue gas desulfuration and denitrification |
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| CN105344218A true CN105344218A (en) | 2016-02-24 |
| CN105344218B CN105344218B (en) | 2017-08-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178921A (en) * | 2016-09-03 | 2016-12-07 | 史汉祥 | Reactor and flue gas processing device for fume treatment |
| CN106215677A (en) * | 2016-09-03 | 2016-12-14 | 史汉祥 | Reactor, smoke extractor and flue gas processing device for fume treatment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-11-19 CN CN201510802315.2A patent/CN105344218B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178921A (en) * | 2016-09-03 | 2016-12-07 | 史汉祥 | Reactor and flue gas processing device for fume treatment |
| CN106215677A (en) * | 2016-09-03 | 2016-12-14 | 史汉祥 | Reactor, smoke extractor and flue gas processing device for fume treatment |
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| Publication number | Publication date |
|---|---|
| CN105344218B (en) | 2017-08-04 |
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