CN105642103A - Nano-calcium desulfurizing system - Google Patents
Nano-calcium desulfurizing system Download PDFInfo
- Publication number
- CN105642103A CN105642103A CN201511034949.4A CN201511034949A CN105642103A CN 105642103 A CN105642103 A CN 105642103A CN 201511034949 A CN201511034949 A CN 201511034949A CN 105642103 A CN105642103 A CN 105642103A
- Authority
- CN
- China
- Prior art keywords
- nanometer calcium
- calcium
- nano
- feed bin
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
- B01D53/685—Halogens or halogen compounds by treating the gases with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2045—Hydrochloric acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2047—Hydrofluoric acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/128—Solid reactants
Abstract
The invention provides a nano-calcium desulfurizing system which is capable of efficiently carrying out desulfurizing on waste gas. The nano-calcium desulfurizing system comprises a temperature and humidity regulating and control device, a nano-calcium feeding device, a dedusting reaction device and a dust recycling device, wherein the temperature and humidity regulating and control device comprises a temperature and humidity regulating and control tower and a temperature and humidity regulating and control medium feeding device; the nano-calcium feeding device comprises a stock bin, a weight detecting machine, a nano-calcium arch-breaking stirrer, a nano-calcium screw conveyor and a power draught fan; the weight detecting machine and the stock bin of the nano-calcium feeding device are connected; an outlet formed in the lower end of the stock bin is connected with an input inlet formed in the nano-calcium screw conveyor; an output outlet formed in the nano-calcium screw conveyor is connected with a nano-calcium conveying pipeline which is connected with the power draught fan; the output end of the nano-calcium conveying pipeline is connected with one side, which is close to the dedusting reaction device, of a waste gas pipeline; the weight detecting machine is connected with a driving controller of the nano-calcium screw conveyor; the nano-calcium arch-breaking stirrer is arranged in the stock bin and is arranged at the outlet side of the lower end of the stock bin.
Description
Technical field
The present invention relates to a kind of nanometer calcium desulphurization system.
Background technology
Along with the enhancing of people's environmental protection consciousness, and improving constantly the requirement of air quality, environmental protection department is more and more stricter to the requirement of sulfur dioxide (SO2) emissions. Thus with least cost for the waste gas containing sulfur dioxide, for instance boiler waste gas, power plant exhaust or Cross unit device waste gas etc. carry out maximum desulfurization process, reduce the harm to atmospheric environment, become the task of top priority.
In the prior art, wet-type calcium desulfuration, Sea water respiratory distress syndrome, recirculating fluidized bed doctor treatment (CFB), dry flue gas desulphurization method (NID), electronic beam method, hydrogen peroxide absorption process etc. are existed for such gas. These techniques can be divided into semidry process, wet processing by reactive state, and said method exists following shortcomings.
(1) semi-dry desulphurization is to be sprayed in reactor by nozzle or rotary sprayer by lime white, form the drop that particle diameter is less, sulfur dioxide gas and lime white is made to react generation salt, its shortcoming is in that the preparation of lime white is complicated, desulfuration efficiency is limited, and in waste gas, SO2 concentration is difficult to be down to 100mg/Nm3Below.
(2) wet desulphurization then adopts scrubbing tower form, can produce the waste water containing the inorganic villaumite of high concentration and heavy metal, produces secondary pollution, need to be equipped with Waste Water Treatment, and cost of investment is high, and operating cost is also high, and in waste gas, SO2 concentration is difficult to be down to 100mg/Nm3Below.
(3) process above and equipment are for processing the waste gas of 25-150 DEG C, are difficult to process for the waste gas that sulfur dioxide concentration is 0.02-1% of 50 DEG C-750 DEG C.
In sum, there is certain limitation in process above, it is impossible to enough meets the environmental requirement of increasingly stringent.
Summary of the invention
The present invention be directed to problems of the prior art and propose, its object is to provide a kind of can efficiently to the nanometer calcium desulphurization system that the waste gas that sulfur dioxide concentration is 0.02-1% of 50 DEG C-750 DEG C is carried out desulfurization.
Adopt the following technical scheme that for realizing the purpose of the present invention.
The nanometer calcium desulphurization system of technical scheme 1, including temp moisture regulator, nanometer calcium feedway, dedusting reaction unit and dust collection device, described temp moisture regulator includes regulating temperature and humidity tower and regulating temperature and humidity medium supply apparatus, described nanometer calcium feedway includes feed bin, weight detector, nanometer calcium broken arch agitator, nanometer calcium screw rod conveyor and driven fan, the waste gas input port being positioned at sidewall of described regulating temperature and humidity tower is connected with exhaust input tube, the waste gas delivery outlet at the top of described regulating temperature and humidity tower reacts entrance via the dedusting of exhaust piping with described dedusting reaction unit and is connected, the dedusting reaction outlet at the top of described dedusting reaction unit is connected with discharge duct, the ash discharging hole of the bottom of described dedusting reaction unit is connected with dust collection device, the weight detector of described nanometer calcium feedway is connected with described feed bin, the lower end outlet of described feed bin is connected with the input port of described nanometer calcium screw rod conveyor, the delivery outlet of described nanometer calcium screw rod conveyor is connected with the nanometer calcium conveyance conduit being connected to driven fan, the outfan of described nanometer calcium conveyance conduit is connected by dedusting reaction unit side with described exhaust piping, described weight detector is connected with the driving controller of described nanometer calcium screw rod conveyor, it is provided with nanometer calcium broken arch agitator in the inside of described feed bin and at the lower end outlet side of described feed bin.
The nanometer calcium desulphurization system of technical scheme 2, in the nanometer calcium desulphurization system of technical scheme 1, the described regulating temperature and humidity tower side of leaning on of described exhaust piping is provided with temperature-detecting device, and described temperature-detecting device is connected with the supply controller of described regulating temperature and humidity medium supply apparatus.
The nanometer calcium desulphurization system of technical scheme 3, in the nanometer calcium desulphurization system of technical scheme 2, described discharge duct is provided with sulfur dioxide concentration detecting device, and described sulfur dioxide concentration detecting device is connected with the air flow control valve on controller and described nanometer calcium conveyance conduit that drives of described nanometer calcium screw rod conveyor.
The nanometer calcium desulphurization system of technical scheme 4, in the nanometer calcium desulphurization system of technical scheme 1, described dust collection device includes reclaiming feed bin and carrying the bucket elevator of dust to described recovery feed bin, and described bucket elevator is connected via the ash discharging hole of ash discharge screw rod conveyor with described dedusting reaction unit.
The nanometer calcium desulphurization system of technical scheme 5, in the nanometer calcium desulphurization system of technical scheme 4, described discharge duct is connected with exhaust chimney via air-introduced machine.
The nanometer calcium desulphurization system of technical scheme 6, in the nanometer calcium desulphurization system of technical scheme 5, is provided with dust broken arch agitator in described recovery feed bin, and the lower end outlet of described recovery feed bin is connected with discharging screw rod conveyor.
The nanometer calcium desulphurization system of technical scheme 7, in the nanometer calcium desulphurization system any one of technical scheme 1 to 6, forms buffer part on described nanometer calcium conveyance conduit, and the input port of described nanometer calcium screw rod conveyor is connected with described buffer part.
The nanometer calcium desulphurization system of technical scheme 8, in the nanometer calcium desulphurization system any one of technical scheme 1 to 6, the outfan of described nanometer calcium conveyance conduit is connected with the dedusting reaction unit side of leaning on of described exhaust piping via powder body distributor.
Compared with prior art, the present invention has following beneficial effect.
Nanometer calcium desulphurization system according to technical scheme 1, it includes temp moisture regulator, nanometer calcium feedway, dedusting reaction unit and dust collection device, temp moisture regulator includes regulating temperature and humidity tower and regulating temperature and humidity medium supply apparatus, and nanometer calcium feedway includes feed bin, weight detector, nanometer calcium broken arch agitator, nanometer calcium screw rod conveyor and driven fan. Additionally, the weight detector of nanometer calcium feedway is connected with feed bin, the lower end outlet of feed bin is connected with the input port of nanometer calcium screw rod conveyor, the delivery outlet of nanometer calcium screw rod conveyor is connected with the nanometer calcium conveyance conduit being connected to driven fan, the outfan of nanometer calcium conveyance conduit is connected by dedusting reaction unit side with exhaust piping, weight detector is connected with the driving controller of nanometer calcium screw rod conveyor, and the inside at feed bin and the lower end outlet side at feed bin are provided with nanometer calcium broken arch agitator.
By such nanometer calcium desulphurization system, utilize temp moisture regulator, it is possible to regulated the temperature humidity of flue gas by regulating temperature and humidity medium, and regulating temperature and humidity medium can be passed through and remove the part dust in flue gas.It addition, utilize nanometer calcium feedway supply nanometer calcium, the sulfur dioxide in smoke abatement gas of making a return journey.
Wherein, weight detector is passed through, it is possible to measure the consumption of nanometer calcium, and according to entering the amount of sulfur dioxide in exhaust piping, by changing the rotating speed of nanometer calcium screw rod conveyor, the nanometer calcium that conveying is consistent with operating mode. It addition, by nanometer calcium broken arch agitator, it is possible to ensure that the nanometer calcium in feed bin keeps uniform bulk density, make conveying capacity accurate. And, pass through driven fan, it is possible to conveying pressure-fired air, nanometer calcium is delivered to exhaust piping, the flue gas Homogeneous phase mixing with containing sulfur dioxide, it is finally-transmitted in dedusting reaction unit.
Additionally, in dedusting reaction unit, dispersed nanometer calcium in the offgas is because having very big specific surface area, therefore reaction contact area is big, being swift in response, granule ceaselessly rubs each other simultaneously so that the calcium sulfate that particle surface generates can come off from particle surface in time, and in the waste gas with certain humidity, calcium sulfate moisture absorption is collected as new little granule. The exposed surface made new advances of nanometer calcium, makes desulfurization instead constantly go on, and the sulfur dioxide removal efficiency in flue gas can reach more than 95%. What remove also has the sour gas such as SO3, HF, HCl, removal efficiency more than 99% simultaneously.
In sum, by above-mentioned nanometer calcium desulphurization system, it is possible to the waste gas that the sulfur dioxide concentrations of 50 DEG C-750 DEG C are 0.02-1% is processed, in whole sweetening process, there is desulfuration efficiency height, investment operating cost is low, and reliability is high, and energy consumption is low, easy care, the advantages such as floor space is little, system long service life, the concentration of emission of sulfur dioxide is 50mg/Nm3, dust emission concentration is 15mg/Nm3, it is better than GB13223-2011 standard " fossil-fuel power plant atmospheric pollutant emission standard " (SO2 < 50mg/Nm3, dust emission concentration < 20mg/Nm3), it is possible to adsorb the noxious pollutants such as the dioxin in flue gas, heavy metal, make flue gas qualified discharge, it is to avoid to environment.
Additionally, nanometer calcium desulphurization system according to technical scheme 2, the regulating temperature and humidity tower side of leaning on of exhaust piping is provided with temperature-detecting device, gas temperature in exhaust piping is fed back to the supply controller of regulating temperature and humidity medium supply apparatus, it is thus possible to the temperature of the gas in adjustment exhaust piping, make the operation temperature in whole sweetening process higher than dew point, it does not have corrosion or condensation, produce without waste water, do not produce secondary pollution.
Additionally, nanometer calcium desulphurization system according to technical scheme 3, sulfur dioxide concentration detecting device is set at discharge duct, by the concentration feedback of the sulfur dioxide in discharge duct to nanometer calcium feedway, if sulfur dioxide concentration exceeds standard, then improve the rotating speed of nanometer calcium screw rod conveyor, increase the conveying capacity of nanometer calcium and the addition of raising driven fan, maintain the proportioning of given wind and nanometer calcium, with more nanometer calcium, waste gas is processed, improve desulfurized effect. It is thus possible to more reliably carry out meeting the desulfurization operations of national standard.
Additionally, nanometer calcium desulphurization system according to technical scheme 4, dust collection device includes reclaiming feed bin and the bucket elevator to recovery feed bin carrying dust, dust is carried to bucket elevator by ash discharge screw rod conveyor, it is thus possible to the dust being automatically drained out in dedusting reaction unit, improve the efficiency processing dust.
It addition, the nanometer calcium desulphurization system according to technical scheme 5, discharge duct is connected with exhaust chimney via air-introduced machine, by arranging air-introduced machine, sulfur dioxide reaction can be provided subnormal ambient, and can, by waste gas smooth discharge to chimney, also be able to increase exhaust effect by chimney.
Additionally, nanometer calcium desulphurization system according to technical scheme 6, it is provided with dust broken arch agitator in reclaiming feed bin, the lower end outlet reclaiming feed bin is connected with discharging screw rod conveyor, it is thus possible to the dust reclaimed in feed bin is automatically drained out to haulage vehicle, so that transporting to treatment plant such that it is able to improve the handling efficiency of dust further.
Additionally, nanometer calcium desulphurization system according to technical scheme 7, nanometer calcium conveyance conduit arranges buffer part, namely cushion space is set, thus the wind of driven fan conveying dispels nanometer calcium in cushion space, nanometer calcium can be made more scattered and exhaust gas contact, and be prevented from nanometer calcium and reflux on nanometer calcium conveyance conduit, driven fan is impacted.
Additionally, nanometer calcium desulphurization system according to technical scheme 8, nanometer calcium conveyance conduit is connected with exhaust piping via powder body distributor, it is thus possible to more uniformly nanometer calcium is delivered in waste gas, nanometer calcium can be made to be uniformly dispersed in the offgas, thus adding the contact area of waste gas and nanometer calcium, making sulfur dioxide fully react with nanometer calcium, improving desulfuration efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the internal structure of the nanometer calcium desulphurization system illustrating the present invention.
Detailed description of the invention
Below, the nanometer calcium desulphurization system of an example as the present invention is described based on accompanying drawing.
Fig. 1 is the schematic diagram of the internal structure of the nanometer calcium desulphurization system illustrating the present invention.
As shown in Figure 1, the nanometer calcium desulphurization system of the present invention includes temp moisture regulator 10, nanometer calcium feedway 20, dedusting reaction unit 30 and dust collection device 40, temp moisture regulator 10 includes regulating temperature and humidity tower 11 and regulating temperature and humidity medium supply apparatus 12, and nanometer calcium feedway 20 includes feed bin 21, weight detector 22, nanometer calcium broken arch agitator 23, nanometer calcium screw rod conveyor 24 and driven fan 25.
Wherein, the temperature and humidity of waste gas can be adjusted by temp moisture regulator, and regulating temperature and humidity medium can be the regulation and control media such as water. The waste gas input port being positioned at sidewall of regulating temperature and humidity tower 11 is connected with exhaust input tube 100, the waste gas delivery outlet at the top of regulating temperature and humidity tower 11 reacts entrance via the dedusting of exhaust piping 101 with dedusting reaction unit 30 and is connected, the dedusting reaction outlet at the top of dedusting reaction unit 30 is connected with discharge duct 102, and the ash discharging hole of the bottom of dedusting reaction unit 30 is connected with dust collection device 40.
The weight detector 22 of nanometer calcium feedway 20 is connected with feed bin 21, the lower end outlet of feed bin 21 is connected with the input port of nanometer calcium screw rod conveyor 24, the delivery outlet of nanometer calcium screw rod conveyor 24 is connected with the nanometer calcium conveyance conduit 103 being connected to driven fan 25, the outfan of nanometer calcium conveyance conduit 103 is connected by dedusting reaction unit side with exhaust piping 101, weight detector 22 is connected with the driving controller of nanometer calcium screw rod conveyor 24, is provided with nanometer calcium broken arch agitator 23 in the inside of feed bin 21 and at the lower end outlet side of feed bin 21.
According to above-mentioned nanometer calcium desulphurization system, it includes temp moisture regulator, nanometer calcium feedway, dedusting reaction unit and dust collection device, temp moisture regulator includes regulating temperature and humidity tower and regulating temperature and humidity medium supply apparatus, and nanometer calcium feedway includes feed bin, weight detector, nanometer calcium broken arch agitator, nanometer calcium screw rod conveyor and driven fan. Additionally, the weight detector of nanometer calcium feedway is connected with feed bin, the lower end outlet of feed bin is connected with the input port of nanometer calcium screw rod conveyor, the delivery outlet of nanometer calcium screw rod conveyor is connected with the nanometer calcium conveyance conduit being connected to driven fan, the outfan of nanometer calcium conveyance conduit is connected by dedusting reaction unit side with exhaust piping, weight detector is connected with the driving controller of nanometer calcium screw rod conveyor, and the inside at feed bin and the lower end outlet side at feed bin are provided with nanometer calcium broken arch agitator.
By such nanometer calcium desulphurization system, utilize temp moisture regulator, it is possible to adjusted the temperature humidity of waste gas by regulating temperature and humidity medium, and regulating temperature and humidity medium can be passed through and remove the part dust in flue gas.It addition, utilize nanometer calcium feedway supply nanometer calcium i.e. a kind of calcium hydroxide content more than 95%, specific surface area reaches 20m2/g-60m2The micropowder powder desulphurization reaction reagent of/g, the sulfur dioxide in smoke abatement gas of making a return journey.
Wherein, weight detector is passed through, it is possible to measure the consumption of nanometer calcium, and according to entering the amount of sulfur dioxide in exhaust piping, by changing the rotating speed of nanometer calcium screw rod conveyor, the nanometer calcium that conveying is consistent with operating mode. It addition, by nanometer calcium broken arch agitator, it is possible to ensure that the nanometer calcium in feed bin keeps uniform bulk density, make conveying capacity accurate. And, pass through driven fan, it is possible to conveying pressure-fired air, nanometer calcium is delivered to exhaust piping, the flue gas Homogeneous phase mixing with containing sulfur dioxide, it is finally-transmitted in dedusting reaction unit.
Additionally, in dedusting reaction unit, dispersed nanometer calcium in the offgas is because having very big specific surface area, therefore reaction contact area is big, being swift in response, granule ceaselessly rubs each other simultaneously so that the calcium sulfate that particle surface generates can come off from particle surface in time, and in the waste gas with certain humidity, calcium sulfate moisture absorption is collected as new little granule. The exposed surface made new advances of nanometer calcium, makes desulfurization instead constantly go on, and the sulfur dioxide removal efficiency in flue gas can reach more than 95%. What remove also has SO simultaneously3, the sour gas such as HF, HCl, removal efficiency more than 99%.
In sum, in whole sweetening process, having desulfuration efficiency height, investment operating cost is low, and reliability is high, and the advantages such as energy consumption is low, easy care, and floor space is little, system long service life, the concentration of emission of sulfur dioxide is 50mg/Nm3, dust emission concentration is 15mg/Nm3, it is better than GB13223-2011 standard " fossil-fuel power plant atmospheric pollutant emission standard " (SO2<50mg/Nm3, dust emission concentration < 20mg/Nm3), it is possible to adsorb the noxious pollutants such as the dioxin in flue gas, heavy metal, make flue gas qualified discharge, it is to avoid to environment.
Additionally, the regulating temperature and humidity tower side of leaning on of exhaust piping 101 can be provided with temperature-detecting device 50, temperature-detecting device 50 is connected with the supply controller of regulating temperature and humidity medium supply apparatus 12, by adjusting the quantity delivered of regulating temperature and humidity medium, it is thus possible to the temperature of the gas in adjustment exhaust piping, make the operation temperature in whole sweetening process higher than dew point, it does not have corrosion or condensation, produce without waste water, do not produce secondary pollution.
Furthermore it is possible to be provided with sulfur dioxide concentration detecting device 60 at discharge duct 102, sulfur dioxide concentration detecting device 60 is connected with the air flow control valve 70 on controller and nanometer calcium conveyance conduit that drives of nanometer calcium screw rod conveyor. If sulfur dioxide concentration exceeds standard, then improve the rotating speed of nanometer calcium screw rod conveyor, increase the conveying capacity of nanometer calcium, and improve the addition of driven fan, maintain given wind and the proportioning of nanometer calcium, with more nanometer calcium, waste gas is processed, improve desulfurized effect. It is thus possible to more reliably carry out meeting the desulfurization operations of national standard.
Additionally, dust collection device 40 can include reclaiming feed bin 41 and carrying the bucket elevator 42 of dust to recovery feed bin 41, bucket elevator 42 is connected via the ash discharging hole of ash discharge screw rod conveyor 43 with dedusting reaction unit 30, dust is carried to bucket elevator by ash discharge screw rod conveyor, it is thus possible to the dust being automatically drained out in dedusting reaction unit, improve the efficiency processing dust. Certainly, the structure of dust collection device is not limited to this, and dust collection device can only include reclaiming feed bin, as long as dust can be reclaimed.
It addition, discharge duct 102 can be connected with exhaust chimney 90 via air-introduced machine 80, by arranging air-introduced machine, it is possible to sulfur dioxide reaction is provided subnormal ambient, and can, by waste gas smooth discharge to chimney, also be able to increase exhaust effect by chimney.However, it is possible to be not provided with air-introduced machine, negative pressure can also be provided to sulfur dioxide reaction by chimney, and chimney can also be not provided with, directly get rid of, as long as the gas after process can be discharged.
Additionally, dust broken arch agitator 44 can be provided with in reclaiming feed bin 41, the lower end outlet reclaiming feed bin 44 is connected with discharging screw rod conveyor 45, it is thus possible to the dust reclaimed in feed bin is automatically drained out to haulage vehicle, so that transporting to treatment plant such that it is able to improve the handling efficiency of dust further. However, it is possible to be not provided with dust broken arch agitator and discharge screw rod conveyor, it is equally reached the effect outwards transporting dust.
Additionally, buffer part 1032 can be formed on nanometer calcium conveyance conduit 103, the input port of nanometer calcium screw rod conveyor 24 is connected with buffer part 1032, thus the wind of driven fan conveying dispels nanometer calcium in cushion space, nanometer calcium can be made more scattered and exhaust gas contact, and be prevented from nanometer calcium and reflux on nanometer calcium conveyance conduit, driven fan is impacted. But it is not limited to this, it is possible to be not provided with buffer part, so equally possible conveying nanometer calcium.
Additionally, the outfan of nanometer calcium conveyance conduit 103 can be connected with the dedusting reaction unit side of leaning on of exhaust piping 101 via powder body distributor 1031, it is thus possible to more uniformly nanometer calcium is delivered in waste gas, nanometer calcium can be made to be uniformly dispersed distribution at waste gas, thus adding the contact area of waste gas and nanometer calcium, make sulfur dioxide fully react with nanometer calcium, improve desulfuration efficiency. This powder body distributor has multiple shower nozzle, considers powder body by the impact of air-flow, makes the powder body that each shower nozzle spray can be dispersed rapidly, and matches each other between each shower nozzle, it is ensured that whole powder body mix homogeneously in whole pipeline.
It addition, the nanometer calcium desulphurization system of the present invention, it is possible to formed by above-mentioned various structural groupings, above-mentioned effect can be played equally.
Above the nanometer calcium desulphurization system of the preferred embodiment of the present invention is illustrated, but, the present invention is not limited to above-mentioned specific embodiment, without departing from scope of the claims, it is possible to carry out various deformation or change. Present invention resides in the various deformation in scope of the claims and change.
Claims (8)
1. a nanometer calcium desulphurization system, it is characterised in that
Including temp moisture regulator, nanometer calcium feedway, dedusting reaction unit and dust collection device, described temp moisture regulator includes regulating temperature and humidity tower and regulating temperature and humidity medium supply apparatus, described nanometer calcium feedway includes feed bin, weight detector, nanometer calcium broken arch agitator, nanometer calcium screw rod conveyor and driven fan
The waste gas input port being positioned at sidewall of described regulating temperature and humidity tower is connected with exhaust input tube, the waste gas delivery outlet at the top of described regulating temperature and humidity tower reacts entrance via the dedusting of exhaust piping with described dedusting reaction unit and is connected, the dedusting reaction outlet at the top of described dedusting reaction unit is connected with discharge duct, the ash discharging hole of the bottom of described dedusting reaction unit is connected with dust collection device
The weight detector of described nanometer calcium feedway is connected with described feed bin, the lower end outlet of described feed bin is connected with the input port of described nanometer calcium screw rod conveyor, the delivery outlet of described nanometer calcium screw rod conveyor is connected with the nanometer calcium conveyance conduit being connected to driven fan, the outfan of described nanometer calcium conveyance conduit is connected by dedusting reaction unit side with described exhaust piping, described weight detector is connected with the driving controller of described nanometer calcium screw rod conveyor, is provided with nanometer calcium broken arch agitator in the inside of described feed bin and at the lower end outlet side of described feed bin.
2. nanometer calcium desulphurization system according to claim 1, it is characterized in that, the described regulating temperature and humidity tower side of leaning on of described exhaust piping is provided with temperature-detecting device, and described temperature-detecting device is connected with the supply controller of described regulating temperature and humidity medium supply apparatus.
3. nanometer calcium desulphurization system according to claim 2, it is characterized in that, described discharge duct is provided with sulfur dioxide concentration detecting device, and described sulfur dioxide concentration detecting device is connected with the air flow control valve on controller and described nanometer calcium conveyance conduit that drives of described nanometer calcium screw rod conveyor.
4. nanometer calcium desulphurization system according to claim 1, it is characterized in that, described dust collection device includes reclaiming feed bin and carrying the bucket elevator of dust to described recovery feed bin, and described bucket elevator is connected via the ash discharging hole of ash discharge screw rod conveyor with described dedusting reaction unit.
5. nanometer calcium desulphurization system according to claim 4, it is characterised in that described discharge duct is connected with exhaust chimney via air-introduced machine.
6. nanometer calcium desulphurization system according to claim 5, it is characterised in that be provided with dust broken arch agitator in described recovery feed bin, the lower end outlet of described recovery feed bin is connected with discharging screw rod conveyor.
7. nanometer calcium desulphurization system according to any one of claim 1 to 6, it is characterised in that forming buffer part on described nanometer calcium conveyance conduit, the input port of described nanometer calcium screw rod conveyor is connected with described buffer part.
8. nanometer calcium desulphurization system according to any one of claim 1 to 6, it is characterised in that the outfan of described nanometer calcium conveyance conduit is connected with the dedusting reaction unit side of leaning on of described exhaust piping via powder body distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034949.4A CN105642103A (en) | 2015-12-31 | 2015-12-31 | Nano-calcium desulfurizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034949.4A CN105642103A (en) | 2015-12-31 | 2015-12-31 | Nano-calcium desulfurizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105642103A true CN105642103A (en) | 2016-06-08 |
Family
ID=56491558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511034949.4A Pending CN105642103A (en) | 2015-12-31 | 2015-12-31 | Nano-calcium desulfurizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105642103A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019022603A1 (en) | 2017-07-26 | 2019-01-31 | Wte-Tech B.V. | Process to treat a sulphur compounds comprising gaseous feed |
| CN110813071A (en) * | 2019-11-24 | 2020-02-21 | 楼佩琦 | High efficiency dry-type desulphurization unit |
| CN111265982A (en) * | 2020-03-20 | 2020-06-12 | 惠州荣联华橡塑有限公司 | Nanometer calcium desulfurization system for waste gas desulfurization |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202173882U (en) * | 2011-06-24 | 2012-03-28 | 中国科学院过程工程研究所 | Device for removing sulfur dioxide and dioxin in sintering flue gas |
| US20120237423A1 (en) * | 2011-03-18 | 2012-09-20 | Edward Bialkin | Method and system for multi-stage flue gas cleaning |
| US8496898B2 (en) * | 2010-02-25 | 2013-07-30 | Nol-Tec Systems, Inc. | Fluidized bed carbon dioxide scrubber for pneumatic conveying system |
| CN203155086U (en) * | 2013-01-31 | 2013-08-28 | 浙江浙大海元环境科技有限公司 | Flue gas dry desulfurization device |
| CN203577626U (en) * | 2013-11-12 | 2014-05-07 | 浙江德创环保科技股份有限公司 | Desulfurizer of circulating fluidized bed |
| CN203971718U (en) * | 2014-07-16 | 2014-12-03 | 鞍钢股份有限公司 | Sinter fume circulating fluidized bed desulfur denitrating system |
| CN205288083U (en) * | 2015-12-31 | 2016-06-08 | 荷丰(天津)化工工程有限公司 | Nanometer calcium desulphurization unit |
-
2015
- 2015-12-31 CN CN201511034949.4A patent/CN105642103A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8496898B2 (en) * | 2010-02-25 | 2013-07-30 | Nol-Tec Systems, Inc. | Fluidized bed carbon dioxide scrubber for pneumatic conveying system |
| US20120237423A1 (en) * | 2011-03-18 | 2012-09-20 | Edward Bialkin | Method and system for multi-stage flue gas cleaning |
| CN202173882U (en) * | 2011-06-24 | 2012-03-28 | 中国科学院过程工程研究所 | Device for removing sulfur dioxide and dioxin in sintering flue gas |
| CN203155086U (en) * | 2013-01-31 | 2013-08-28 | 浙江浙大海元环境科技有限公司 | Flue gas dry desulfurization device |
| CN203577626U (en) * | 2013-11-12 | 2014-05-07 | 浙江德创环保科技股份有限公司 | Desulfurizer of circulating fluidized bed |
| CN203971718U (en) * | 2014-07-16 | 2014-12-03 | 鞍钢股份有限公司 | Sinter fume circulating fluidized bed desulfur denitrating system |
| CN205288083U (en) * | 2015-12-31 | 2016-06-08 | 荷丰(天津)化工工程有限公司 | Nanometer calcium desulphurization unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019022603A1 (en) | 2017-07-26 | 2019-01-31 | Wte-Tech B.V. | Process to treat a sulphur compounds comprising gaseous feed |
| CN110813071A (en) * | 2019-11-24 | 2020-02-21 | 楼佩琦 | High efficiency dry-type desulphurization unit |
| CN111265982A (en) * | 2020-03-20 | 2020-06-12 | 惠州荣联华橡塑有限公司 | Nanometer calcium desulfurization system for waste gas desulfurization |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7641876B2 (en) | Reduced liquid discharge in wet flue gas desulfurization | |
| US10343109B2 (en) | Slurry control system | |
| US7524470B2 (en) | Reduced liquid discharge in wet flue gas desulfurization | |
| CN1962034A (en) | Method and apparatus for removing sulfur, nitrate and mercury simultaneously from boiler flue gas | |
| CN103816796A (en) | Low-temperature coke oven flue waste gas desulphurization and denitration process | |
| CN207385185U (en) | NID semi-dry process flue gas desulphurization systems | |
| CN105032137B (en) | A kind of quick lime-ammonia associating flue gas desulfurization and denitrification integrated apparatus | |
| CN105617851B (en) | A kind of method and its device of efficient double tower semi-dry desulphurization | |
| CN105642103A (en) | Nano-calcium desulfurizing system | |
| CN101530738B (en) | Flue gas desulphurization device by circulating ash humidifying and semi-drying method provided with hot air fluidized air machine | |
| CN108014613A (en) | A kind of damp dry type flue gas purifying system and method based on Carbon Materials oxidation and denitration | |
| CN204865530U (en) | Spout calcium desulfurization low temperature denitrification facility in coal fired boiler flue gas stove | |
| CN103706246B (en) | Flue gas circulating fluidized bed combined desulfurization mercury removal device and method | |
| CN205288083U (en) | Nanometer calcium desulphurization unit | |
| CN1327939C (en) | High-efficient catalyzing smoke desulfurizing and denitrifying method and apparatus thereof | |
| CN108159872A (en) | A kind of pure dry-method desulfurization device | |
| CN104759204A (en) | Boiler flue gas combined demercuration and dearsenification device and removing method thereof | |
| CN105889960A (en) | Flue gas desulfurization device for coal-fired boiler | |
| CN204582926U (en) | A kind of boiler smoke denitration in the stove dry desulfurization device | |
| CN210572159U (en) | Evaluation system for reaction efficiency of dry-process reactant | |
| CN205392169U (en) | Desulfurated device of high -efficient double tower semidry method | |
| CN208082213U (en) | A kind of pure dry-method desulfurization device | |
| CN207187467U (en) | A kind of special boiler of power plant fume environment protection abatement equipment | |
| CN204865525U (en) | Denitration dry process desulphurization unit in coal fired boiler flue gas stove | |
| CN204816205U (en) | Sintering machine flue gas desulfurization denitration equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160608 |