CN102527209A - Comprehensive smoke treating method - Google Patents
Comprehensive smoke treating method Download PDFInfo
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- CN102527209A CN102527209A CN2010105956992A CN201010595699A CN102527209A CN 102527209 A CN102527209 A CN 102527209A CN 2010105956992 A CN2010105956992 A CN 2010105956992A CN 201010595699 A CN201010595699 A CN 201010595699A CN 102527209 A CN102527209 A CN 102527209A
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Abstract
The invention relates to a comprehensive smoke treating method which comprises the following steps: utilizing a water bath method to perform quenching, cooling and de-dusting treatment on coal smoke and lead smoke generated from a regenerated lead smelting process; utilizing a smoke collector to collect the mixed smoke, containing smoke and moisture, after the mixed smoke is subjected to the water bath; separating the moisture from the smoke; utilizing a settling tower to secondarily purify the residual smoke; removing a lead component in high proportion; utilizing a condensing drying chamber to condense and dry the secondarily purified moisture in the smoke; settling and filtering the smoke containing larger grain; utilizing a bag-type dust collector to purify the dry smoke still containing fine smoke grains again; and lastly, discharging the smoke from a chimney. According to the comprehensive smoke treating method, the water-bath de-dusting is principally utilized to comprehensively treat the coal smoke and the lead smoke generated from the production of regenerated lead; the smoke is directly discharged into a water-bath pool of a water-bath device; the useful components in the smoke are recycled; the environmental protection level of a regenerated lead production enterprise is increased; the purpose of saving energy and reducing consumption is achieved; and the resources and the energy sources are saved.
Description
Technical field:
The present invention relates to the operation transport field, relate in particular to the coal smoke that purified treatment secondary lead smelting process produced and the technology of lead fume, particularly a kind of comprehensive smoke gas treatment method.
Background technology:
The equipment that the usefulness fire coal carries out the secondary lead smelting needs is simple, and production cost is lower, but the harmful substance in the soot emissions is many, and is big to ambient influnence.Traditional improvement method is to use sack cleaner to carry out dedusting; Though also can reach the effect of qualified discharge; But smog discharge temperature is high, still can have a certain amount of harmful components in the flue gas, and if have coal smoke to deposit in the flue; There is being naked light to get under the situation of flue the accident of burning the sack cleaner cloth bag easily.
In addition, when adopting fire coal to carry out Production of Secondary Lead, contain a certain amount of lead composition in the kitchen range face lead fume of inspiration; Be blended in the flue dust,, easily environment caused lead contamination if this leaded flue dust is not dealt carefully with; And it is dust-like that sack cleaner filters the flue dust that gets off; Can produce airborne dust during removing, operator's health is easy to generate harm, also big to the influence of production environment.
Adopt general immersion method to carry out dedusting; Though can not produce airborne dust owing to can not thoroughly remove the mixture of flue dust and water after the water-bath, when these mixtures after flue is discharged to the high-altitude from chimney; Can cause black rain in the certain limit leeward, the initial ring environment pollution again.
Summary of the invention:
The object of the present invention is to provide a kind of comprehensive smoke gas treatment method, described this comprehensive smoke gas treatment method will solve available technology adopting sack cleaner purified treatment coal smoke and the lead fume effect is undesirable, burn sack cleaner easily, the also unfavorable technical problem of immersion method clean-up effect.
This comprehensive smoke gas treatment method of the present invention comprises the process that a coal smoke that the secondary lead smelting process is produced and lead fume purify; Wherein, in described purification process, at first utilize immersion method to coal smoke and lead fume that the secondary lead smelting process is produced put out a fire, cooling and dedusting; Utilize the mixed flue gas that contains flue dust and moisture content after the flue dust collector is gathered water-bath then; Divide dried up and flue dust, utilize the sedimentation tower that remaining flue dust is made double purification again, remove the wherein bigger lead composition of proportion; Moisture is made the condensation dried in the flue gas after utilizing the condensation hothouse to double purification then; Sedimentation and the flue dust that filters wherein contained larger particles utilize sack cleaner to dry but still exist the flue gas of small soot dust granule to purify once more, at last through smoke stack emission afterwards again.
Further, described purification process order enforcement according to the following steps:
First step: coal smoke that the secondary lead smelting process is produced and lead fume add desulfurizing agent through carrying out water-bath in the bain-marie discharging water inlet bathing pool at the water-bath water, utilize the part sulfur-bearing composition in the desulfurizing agent chemical combination flue gas; Simultaneously, under the state of water level that maintains the standard, the water-bath water is carried out decontamination cycle, utilize the circulation rate of valve adjustment water-bath water; Keep into water and water flow equilibrium; And the control water temperature prevents to form in the flue steam
Second step: utilize the flue dust collector to gather the mixed flue gas that contains flue dust and moisture content after the water-bath, will be recovered in the dust deposition pond in the water treatment facilities with the mixed mixed flue gas of water and deposit,
Third step: the flue dust that will get into the dust deposition pond is made purified treatment; Divide dried up and flue dust, utilize the pressure filtration molding machine that flue dust is starched pressure filtration molding, purification once more in the double purification pond is advanced in the overflow of clear water elder generation; Overflow is advanced reuse pool and is added to send back in the sea water bath behind the desulfurizing agent and recycle again
The 4th step: utilize the sedimentation tower that the remaining flue dust in the third step is made double purification, remove the wherein bigger lead composition of proportion,
The 5th step: the moisture in the flue gas after utilizing the condensation hothouse to the 4th step process is made the condensation dried, further rapid sedimentation and the flue dust that filters wherein contained larger particles,
The 6th step: dry after utilizing sack cleaner to the 5th step process but still exist the flue gas of small soot dust granule to purify once more, then through smoke stack emission.
Further, in described the 4th step, the total cross section of the sedimentation flue in the described sedimentation tower is 3 times of air intake flue, and the import department of sedimentation flue is provided with the flue gas stream buffer board.
Further, in described the 5th step, recently control smoke emissioning concentration through the air intake of adjustment condensation hothouse.
The present invention also provides a kind of smoke gas treatment device of realizing said method, and described this smoke gas treatment device comprises bain-marie, sea water bath, flue dust collector, water treatment facilities, pressure filtration molding machine, sedimentation tower, condensation hothouse, sack cleaner and chimney, wherein; Described bain-marie is arranged in the sea water bath; Described flue dust collector is arranged on the sea water bath, includes dust deposition pond, double purification pond and reuse pool in the described water treatment facilities, and the flue dust collector is communicated with described dust deposition pond through pipeline; Described pressure filtration molding machine is arranged on the dust deposition pond; The dust deposition pond is provided with the liquid phase overflow ducts, and described liquid phase overflow ducts is communicated with described double purification pond, and the double purification pond is provided with overfall; Described overfall is communicated with described reuse pool; Reuse pool is communicated with sea water bath through pipeline, and the dust deposition pond is provided with exhanst gas outlet, and described exhanst gas outlet is communicated with described sedimentation tower; The sedimentation tower is provided with the gas phase output channel; Described gas phase output channel is communicated with described condensation hothouse, and the outlet of condensation hothouse is communicated with described sack cleaner, and the exhanst gas outlet of sack cleaner is communicated with described chimney.
Further, the smoke inlet place of bain-marie is connected with air blast.
Further, the pipeline before the air inlet of described air blast is provided with the waste heat collector.
Further, be provided with air blast between outlet of condensation hothouse and the sack cleaner.
Further, be provided with fume emission quality testing mouth between chimney and the sack cleaner.
Further, sea water bath is connected with the circularly purifying water treatment facilities, is provided with circulating pump between reuse pool and the sea water bath.
Operation principle of the present invention is: coal smoke that the secondary lead smelting process is produced and lead fume are through carrying out water-bath in the bain-marie discharging water inlet bathing pool; The water-bath water adds desulfurizing agent, can the chemical combination flue gas in a part of sulfur-bearing composition, and under the state of water level that maintains the standard decontamination cycle; The circulation rate of water can be through the valve adjustment; Guarantee that water inlet and water flow are balanced, make water level remain on normal bit, and water temperature is controlled at the state of no steam in the flue; The mixed flue gas that contains flue dust and moisture content after the water-bath mixes the dust deposition pond deposition that the water inlet treating apparatus is reclaimed in the back through the collection of flue dust collector with water; The flue dust that gets into the dust deposition pond is made purified treatment, and water is separated with flue dust, and the flue dust slurry is sucked into pressure filtration molding machine pressure filtration molding, and the overflow of clear water elder generation is entered the double purification pond and purified once more, and overflow is advanced reuse pool and added reuse behind the desulfurizing agent again; The sedimentation tower to water-bath after remaining flue dust in the flue gas make double purification, remove the wherein bigger lead composition of proportion; The condensation hothouse is made the condensation dried to the moisture in the water-bath flue gas, further sedimentation and the flue dust that filters wherein contained larger particles, and through adjustment condensation chamber air intake ratio, control smoke emissioning concentration; To dry but still exist the water-bath flue gas of small soot dust granule to use sack cleaner to purify once more, arrive the high-altitude through smoke stack emission then.
The present invention is a theoretical foundation with aerodynamics and hydrodynamics, fully uses the correlation of the size of pipeline section in the seal tube road and factors such as fluid flow, flow velocity and air pressure, atmospheric density, slows down the flue gas flow rate in the pipeline through amplifying pipeline section; Reduce its carrying capacity to flue dust; Force flue dust in the sedimentation of pipeline flue dust capture segment, collect, simultaneously through water-bath; Flue-gas temperature reduces greatly; Add in flue dust water-bath water and add desulfurizing agent, can chemical combination a part of sulfur-bearing composition in the flue dust, also greatly reduce the content of sulfur dioxide in the fume emission.
In addition,, the mixed liquor of flue dust and water is precipitated with the precipitation method according to flue dust and water-fast characteristics, the reuse clear water, the press filtration flue dust, it is innoxious that dust treatment has been accomplished, helps operator's labour protection.
The fundamental formular of flow rate calculation is:
Flow (Q)=flow velocity (V) * pipeline section amasss (S)
Obtain thus: S=Q/V; V=Q/S
But in practical design work, then taken all factors into consideration duct length; The frictional resistance that pipeline configuration produces; And factor such as the suffered gravity of soot dust granule, and, concrete parameter has been carried out necessary adjustment according to experience of practical and experiment and computer simulation repeatedly; Guaranteeing to smelt under the prerequisite of production institute required airflow, to reach best dust removing effects.
The present invention and prior art are compared, and its effect is actively with tangible.The present invention is main with water bath dust-removing; Carry out the comprehensive regulation to adopting fire coal to carry out coal smoke and lead fume that Production of Secondary Lead produced, flue gas directly is emitted in the sea water bath of bain-marie, and adopts the water circulation; Solved the problem that water temperature rising generation water vapour gets into flue in the traditional water bathtub; Prevented that the hybrid particles of flue dust and water from getting into the problem of flue, overcome the deficiency that traditional single use sack cleaner carries out flue gas ash removal, thoroughly solved the problem that the cloth bag accident takes place to burn.Useful component in the flue dust is recycled, and can be used for regenerating after the press filtration of water-bath flue dust is shaped producing plumbous additive use of smelting, and lead element contained in the flue dust can obtain secondary recovery, and coal dust can be directly combustion-supporting, not only environmental protection, and also economical.Further improve the Environmental Protection Level of Production of Secondary Lead enterprise, reached energy saving purposes.The resource and the energy have been practiced thrift.Cooperate the fume afterheat storage device, further absorbed the waste heat in the flue gas, played energy-conservation effect through the flue gas condensing drying.
Description of drawings:
Fig. 1 is the sketch map of comprehensive smoke gas treatment method of the present invention.
Fig. 2 is the schematic representation of apparatus among the embodiment of comprehensive smoke gas treatment method of the present invention.
The specific embodiment:
Embodiment 1:
As shown in Figure 1, comprehensive smoke gas treatment method of the present invention comprises the process that a coal smoke that the secondary lead smelting process is produced and lead fume purify; Wherein, in described purification process, at first utilize immersion method to coal smoke and lead fume that the secondary lead smelting process is produced put out a fire, cooling and dedusting; Utilize the mixed flue gas that contains flue dust and moisture content after flue dust collector 4 is gathered water-bath then; Divide dried up and flue dust, utilize 5 pairs of remaining flue dust of sedimentation tower to make double purification again, remove the wherein bigger lead composition of proportion; Utilize in the flue gas behind 6 pairs of double purifications of condensation hothouse moisture to make the condensation dried then; Sedimentation and the flue dust that filters wherein contained larger particles utilize 8 pairs of sack cleaners dry but still exist the flue gas of small soot dust granule to purify once more, at last through chimney 10 dischargings afterwards again.
Further, described purification process order enforcement according to the following steps:
First step: coal smoke that the secondary lead smelting process is produced and lead fume add desulfurizing agent through carrying out water-bath in the bain-marie 3 discharging water inlet bathing pools at the water-bath water, utilize the part sulfur-bearing composition in the desulfurizing agent chemical combination flue gas; Simultaneously, under the state of water level that maintains the standard, the water-bath water is carried out decontamination cycle, utilize the circulation rate of valve adjustment water-bath water; Keep into water and water flow equilibrium; And the control water temperature prevents to form in the flue steam
Second step: utilize flue dust collector 4 to gather the mixed flue gas that contains flue dust and moisture content after the water-baths, will be recovered in the dust deposition pond in the water treatment facilities 11 with the mixed mixed flue gas of water and deposit,
Third step: the flue dust that will get into the dust deposition pond is made purified treatment; Divide dried up and flue dust, utilize pressure filtration molding machine 12 that flue dust is starched pressure filtration molding, the overflow of clear water elder generation is advanced in the double purification pond purify once more; Overflow is advanced reuse pool and is added to send back in the sea water bath behind the desulfurizing agent and recycle again
The 4th step: utilize the remaining flue dust in 5 pairs of third steps of sedimentation tower to make double purification, remove the wherein bigger lead composition of proportion,
The 5th step: utilize the moisture in the flue gas after 6 pairs the 4th step process of condensation hothouse to make the condensation dried, further rapid sedimentation and the flue dust that filters wherein contained larger particles,
The 6th step: utilize dry after 8 pairs the 5th step process of sack cleaner but still exist the flue gas of small soot dust granule to purify once more, then through chimney 10 dischargings.
Further, in described the 4th step, the total cross section of the sedimentation flue in the described sedimentation tower 5 is 3 times of air intake flue, and the import department of sedimentation flue is provided with the flue gas stream buffer board.
Further, in described the 5th step, recently control smoke emissioning concentration through the air intake of adjustment condensation hothouse 6.
The present invention also provides a kind of smoke gas treatment device of realizing said method, and described this smoke gas treatment device comprises bain-marie 3, sea water bath, flue dust collector 4, water treatment facilities 11, pressure filtration molding machine 12, sedimentation tower 5, condensation hothouse 6, sack cleaner 8 and chimney 10, wherein; Described bain-marie 3 is arranged in the sea water bath; Described flue dust collector 4 is arranged on the sea water bath, includes dust deposition pond, double purification pond and reuse pool in the described water treatment facilities 11, and flue dust collector 4 is communicated with described dust deposition pond through pipeline; Described pressure filtration molding machine 12 is arranged on the dust deposition pond; The dust deposition pond is provided with the liquid phase overflow ducts, and described liquid phase overflow ducts is communicated with described double purification pond, and the double purification pond is provided with overfall; Described overfall is communicated with described reuse pool; Reuse pool is communicated with sea water bath through pipeline, and the dust deposition pond is provided with exhanst gas outlet, and described exhanst gas outlet is communicated with described sedimentation tower 5; Sedimentation tower 5 is provided with the gas phase output channel; Described gas phase output channel is communicated with described condensation hothouse 6, and the outlet of condensation hothouse 6 is communicated with described sack cleaner 8, and the exhanst gas outlet of sack cleaner 8 is communicated with described chimney 10.
Further, the smoke inlet place of bain-marie 3 is connected with air blast 2.
Further, the pipeline before the air inlet of described air blast 2 is provided with waste heat collector 14 and fume afterheat storage conversion using device 15.
Further, be provided with air blast 7 between 6 outlets of condensation hothouse and the sack cleaner 8.
Further, be provided with fume emission quality testing mouth 9 between chimney 10 and the sack cleaner 8.
Further, sea water bath is connected with circularly purifying water treatment facilities 11, is provided with circulating pump between reuse pool and the sea water bath.
The course of work of present embodiment is: coal smoke that the secondary lead smelting process is produced and lead fume are sent into bain-marie 3 through fume emission airduct 1 by air blast 2 from smelting workshop 16; Put into side by side and carry out water-bath in the sea water bath; The water-bath water adds desulfurizing agent, can the chemical combination flue gas in a part of sulfur-bearing composition, and under the state of water level that maintains the standard decontamination cycle; The circulation rate of water can be through the valve adjustment; Guarantee that water inlet and water flow are balanced, make water level remain on normal bit, and water temperature is controlled at the state of no steam in the flue; The mixed flue gas that contains flue dust and moisture content after the water-bath is gathered through flue dust collector 4, mixes the dust deposition pond deposition that water inlet treating apparatus 11 is reclaimed in the back with water; The flue dust that gets into the dust deposition pond is made purified treatment, and water is separated with flue dust, and the flue dust slurry is sucked into pressure filtration molding machine 12 pressure filtration moldings, and the overflow of clear water elder generation is entered the double purification pond and purified once more, and overflow is advanced reuse pool and added reuse behind the desulfurizing agent again; Remaining flue dust after 5 pairs of water-baths of sedimentation tower in the flue gas is made double purification, removes the wherein bigger lead composition of proportion; Moisture in 6 pairs of water-bath flue gases of condensation hothouse is made the condensation dried, further sedimentation and the flue dust that filters wherein contained larger particles, and through adjustment condensation chamber air intake ratio, control smoke emissioning concentration; To dry but still exist the water-bath flue gas of small soot dust granule to use sack cleaner 8 to purify once more, be discharged into the high-altitude through chimney 10 then.
The present invention is a theoretical foundation with aerodynamics and hydrodynamics, fully uses the correlation of the size of pipeline section in the seal tube road and factors such as fluid flow, flow velocity and air pressure, atmospheric density, slows down the flue gas flow rate in the pipeline through amplifying pipeline section; Reduce its carrying capacity to flue dust; Force flue dust in the sedimentation of pipeline flue dust capture segment, collect, simultaneously through water-bath; Flue-gas temperature reduces greatly; Add in flue dust water-bath water and add desulfurizing agent, can chemical combination a part of sulfur-bearing composition in the flue dust, also greatly reduce the content of sulfur dioxide in the fume emission.
In addition,, the mixed liquor of flue dust and water is precipitated with the precipitation method according to flue dust and water-fast characteristics, the reuse clear water, the press filtration flue dust, it is innoxious that dust treatment has been accomplished, helps operator's labour protection.
The fundamental formular of flow rate calculation is:
Flow (Q)=flow velocity (V) * pipeline section amasss (S)
Obtain thus: S=Q/V; V=Q/S
But in practical design work, then taken all factors into consideration duct length; The frictional resistance that pipeline configuration produces; And factor such as the suffered gravity of soot dust granule, and, concrete parameter has been carried out necessary adjustment according to experience of practical and experiment and computer simulation repeatedly; Guaranteeing to smelt under the prerequisite of production institute required airflow, to reach best dust removing effects.
Concrete, be connected with water-bath smoke backflow combustion fan and pipeline 13 on the bain-marie 3, on the pipeline of air blast 2 air outlets the valve that prevents smoke backflow is arranged.
In one embodiment of the present of invention shown in Figure 2, will smelt the flue gas that produce to produce with air blast 2 and from fume emission airduct 1, extract (, then must the waste heat collector be contained on the pipeline before the blower inlet) like installation fume afterheat harvester;
Air blast 2 air outlets and bain-marie 3 join, and flue gas through in the bain-marie 3 discharging water inlet, is gathered in the storehouse with the flue dust sedimentation that gets into the water-bath storehouse after water fully contacts mixing again;
The water-bath storehouse is the L type, and two sectional area is less, and the corner sectional area is maximum; Be 6 times of flue airduct sectional area, base plate is the gradient and has a down dip to corner, and water-bath flue dust harvester is installed in the corner; The harvester below is the flue dust mixing pit; Sea water bath flows into blending water from the top, and the flue dust sedimentation basin of discharge outlet row water inlet treatment facility purifies circulating and recovering (mixing speed of flue dust harvester should be controlled at 60 rev/mins) from the below then;
The water-bath flue gas gets into the 5 further sedimentation dedustings of sedimentation tower, because the flue dust after water-bath contains more water, collides each other when in flue, flowing, and adds the disturbance of harvester deflector, can be condensed into larger particles by nature, and gravitate increases, and is prone to by sedimentation;
Less soot dust granule and steam can overcome acting on of gravity to be continued in the flue to flow forward; Adopt this moment condensation dry, make these less soot dust granules and steam on the cold plate of condensation hothouse 6, condense into the dust-laden water droplet, the cross section of condensation hothouse 6 is at more than 6 times of airduct cross section; And enough length (about 40 meters) is arranged; Therefore flue gas is very slow at the flow velocity of condensation chamber, does not have enough kinetic energy to take away these long-pending revealing, and makes long-pending revealing advance water leg along the wall landing along cold plate; Flow to sump, from sump, be pumped into water treating apparatus 11 decontamination cycle again;
Flue gas in that No. two air blasts of condensation hothouse 6 outlets are dry with condensation is sent sack cleaner 8 udst separation once more to;
Under the wind-tunnel effect of flue gas that bag-type dust purifies, be discharged into 40 meters high-altitude,, fume emission quality testing mouth arranged between sack cleaner 8, be used for detecting in real time exhaust gas components, monitor for monitoring fume emission quality at chimney 10;
Parallel with water bath dust-removing equipment, three grades of clarifier-tanks of building water-bath water,, adopt natural sedimentation method to carry out purified treatment, recycle repeatedly behind the interpolation desulfurizing agent, accomplish zero-emission;
The flue dust slurry of deposition sucks pressure filtration molding machine 12 with slush pump, recycles, and whole process does not have airborne dust and produces, and carries out in the press filtration workshop above building the deposition clarifier-tank in, can not produce smoke contamination to surrounding environment;
Water-bath storehouse and sedimentation tower 5 integral body are all used stainless steel and are made; Or make inner bag with the Thin Stainless Steel leather; With the corrosion stability of enhancement apparatus, production on duty finishes, and opens flushing valve; The tap that is installed in two ends, water-bath storehouse and sedimentation tower 5 tops can wash pipeline, and the sewage backflow that washes advances sedimentation basin.
Claims (10)
1. comprehensive smoke gas treatment method; Comprise the process that a coal smoke that the secondary lead smelting process is produced and lead fume purify, it is characterized in that: in described purification process, at first utilize immersion method to coal smoke and lead fume that the secondary lead smelting process is produced put out a fire, cooling and dedusting; Utilize the mixed flue gas that contains flue dust and moisture content after the flue dust collector is gathered water-bath then; Divide dried up and flue dust, utilize the sedimentation tower that remaining flue dust is made double purification again, remove the wherein bigger lead composition of proportion; Moisture is made the condensation dried in the flue gas after utilizing the condensation hothouse to double purification then; Sedimentation and the flue dust that filters wherein contained larger particles utilize sack cleaner to dry but still exist the flue gas of small soot dust granule to purify once more, at last through smoke stack emission afterwards again.
2. comprehensive smoke gas treatment method as claimed in claim 1 is characterized in that: described purification process order is according to the following steps implemented:
First step: coal smoke that the secondary lead smelting process is produced and lead fume add desulfurizing agent through carrying out water-bath in the bain-marie discharging water inlet bathing pool at the water-bath water, utilize the part sulfur-bearing composition in the desulfurizing agent chemical combination flue gas; Simultaneously, under the state of water level that maintains the standard, the water-bath water is carried out decontamination cycle, utilize the circulation rate of valve adjustment water-bath water; Keep into water and water flow equilibrium; And the control water temperature prevents to form in the flue steam
Second step: utilize the flue dust collector to gather the mixed flue gas that contains flue dust and moisture content after the water-bath, will be recovered in the dust deposition pond in the water treatment facilities with the mixed mixed flue gas of water and deposit,
Third step: the flue dust that will get into the dust deposition pond is made purified treatment; Divide dried up and flue dust, utilize the pressure filtration molding machine that flue dust is starched pressure filtration molding, purification once more in the double purification pond is advanced in the overflow of clear water elder generation; Overflow is advanced reuse pool and is added to send back in the sea water bath behind the desulfurizing agent and recycle again
The 4th step: utilize the sedimentation tower that the remaining flue dust in the third step is made double purification, remove the wherein bigger lead composition of proportion,
The 5th step: the moisture in the flue gas after utilizing the condensation hothouse to the 4th step process is made the condensation dried, further rapid sedimentation and the flue dust that filters wherein contained larger particles,
The 6th step: dry after utilizing sack cleaner to the 5th step process but still exist the flue gas of small soot dust granule to purify once more, then through smoke stack emission.
3. comprehensive smoke gas treatment method as claimed in claim 2 is characterized in that: in described the 4th step, the total cross section of the sedimentation flue in the described sedimentation tower is 3 times of air intake flue, and the import department of sedimentation flue is provided with the flue gas stream buffer board.
4. comprehensive smoke gas treatment method as claimed in claim 2 is characterized in that: in described the 5th step, recently control smoke emissioning concentration through the air intake of adjustment condensation hothouse.
5. device of realizing comprehensive smoke gas treatment method as claimed in claim 1; Comprise bain-marie, sea water bath, flue dust collector, water treatment facilities, pressure filtration molding machine, sedimentation tower, condensation hothouse, sack cleaner and chimney, it is characterized in that: described bain-marie is arranged in the sea water bath, and described flue dust collector is arranged on the sea water bath; Include dust deposition pond, double purification pond and reuse pool in the described water treatment facilities; The flue dust collector is communicated with described dust deposition pond through pipeline, and described pressure filtration molding machine is arranged on the dust deposition pond, and the dust deposition pond is provided with the liquid phase overflow ducts; Described liquid phase overflow ducts is communicated with described double purification pond; The double purification pond is provided with overfall, and described overfall is communicated with described reuse pool, and reuse pool is communicated with sea water bath through pipeline; The dust deposition pond is provided with exhanst gas outlet; Described exhanst gas outlet is communicated with described sedimentation tower, and the sedimentation tower is provided with the gas phase output channel, and described gas phase output channel is communicated with described condensation hothouse; The outlet of condensation hothouse is communicated with described sack cleaner, and the exhanst gas outlet of sack cleaner is communicated with described chimney.
6. smoke gas treatment device as claimed in claim 5 is characterized in that: the smoke inlet place of bain-marie is connected with air blast.
7. smoke gas treatment device as claimed in claim 6 is characterized in that: the pipeline before the air inlet of described air blast is provided with the waste heat collector.
8. smoke gas treatment device as claimed in claim 5 is characterized in that: be provided with air blast between outlet of condensation hothouse and the sack cleaner.
9. smoke gas treatment device as claimed in claim 5 is characterized in that: be provided with fume emission quality testing mouth between chimney and the sack cleaner.
10. smoke gas treatment device as claimed in claim 5 is characterized in that: sea water bath is connected with the circularly purifying water treatment facilities, is provided with circulating pump between reuse pool and the sea water bath.
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CN104474868A (en) * | 2014-12-05 | 2015-04-01 | 黄敏方 | Smoke dust removal system |
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CN110554139A (en) * | 2019-09-25 | 2019-12-10 | 骆驼集团(安徽)再生资源有限公司 | Real-time monitoring system for sulfur-containing tail gas in secondary lead smelting |
CN112271350A (en) * | 2020-10-23 | 2021-01-26 | 湖南江冶机电科技股份有限公司 | Method for preparing secondary lead by recycling waste batteries |
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2010
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CN105642441A (en) * | 2016-03-24 | 2016-06-08 | 江苏大学 | Exhaust particulate matter charging and charging capacity measuring device of diesel engine |
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CN114452783A (en) * | 2022-01-27 | 2022-05-10 | 黄周宝 | Drainage equipment capable of realizing smoke-water separation |
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