CN105709597A - Flue gas dedusting and demercuration device adopting combination of plasma reactor and film coated filter bag and processing method of flue gas dedusting and demercuration device - Google Patents
Flue gas dedusting and demercuration device adopting combination of plasma reactor and film coated filter bag and processing method of flue gas dedusting and demercuration device Download PDFInfo
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- CN105709597A CN105709597A CN201610228072.0A CN201610228072A CN105709597A CN 105709597 A CN105709597 A CN 105709597A CN 201610228072 A CN201610228072 A CN 201610228072A CN 105709597 A CN105709597 A CN 105709597A
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- 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
- B01D53/86—Catalytic processes
- B01D53/8665—Removing heavy metals or compounds thereof, e.g. mercury
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/02—Amassing the particles, e.g. by flocculation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention provides a flue gas dedusting and demercuration device adopting combination of a plasma reactor and a film coated filter bag and a processing method of the flue gas dedusting and demercuration device. The device adopts a two-section structure and comprises the plasma reactor and a bag filter, wherein the plasma reactor and the bag filter are connected through a gas inlet pipe, and the film coated filter bag is arranged in the bag filter. The plasma reactor and the film coated filter bag are combined, dust in flue gas produces electrical charges and has coagulation under the action of plasma, meanwhile, oxygen free radicals in the plasma can oxidize elemental mercury, then when the gas passes through the film coated filter bag, the dust can be removed on one hand, and elemental mercury can be further oxidized and removed by a demercuration catalyst on the filter bag on the other hand, and the oxygen free radicals produced by the plasma can improve the activity of the catalyst, so that fine particulate matter and elemental mercury removal efficiency is improved.
Description
Technical field
The invention belongs to filed of flue gas purification, relate to a kind of flue gas ash removal mercury removal device and processing method thereof, particularly relate to flue gas ash removal mercury removal device and the processing method thereof of a kind of plasma reactor associating membrane bag filter.
Background technology
Coal-burning power plant and petrochemical industry, can produce a large amount of dust, SO in its combustion processx、NOxOr the multiple pollutant such as heavy metal.In recent years, along with environment and human body are had, because it, the great attention endangering greatly and receiving domestic and international researcher by the enhancing day by day improved with people's environmental consciousness of environmental regulation, fine particulates and two kinds of pollutant of heavy metal.In order to strengthen environmental protection dynamics, improving environment, the emission standard of air pollutants for boilers regulation that on May 16th, 2014 is newly issued, the maximal emission standard of new construction of coal-fired boiler particulate matter is 50mg/m3, key area discharge standard is 30mg/m3, and the discharge standard of Elemental Mercury also drops to 0.05mg/m3.Fine particulates is primarily referred to as the solid particulate matter of equivalent aerodynamic diameter≤10 μm, and owing to particle diameter is less, specific surface area is greatly increased, and easily becomes carrier or the reactant of other poisonous and harmful substances (such as acidic oxide, toxic heavy metal etc.).Environment and human health are had very big harm by fine particulates, there is research display, the reduction of atmospheric visibility is had important impact by fine particulates particularly PM2.5, compared with coarseparticulate, it is higher that blind ability drops in fine particle (PM2.5), is the main cause causing haze weather.In addition the granule less than 10um can enter pulmonary by nose, causes respiratory tract and pulmonary disease.
For the elimination of particulate matter in flue gas, the industrial kind having a cleaner unit is very many, such as industrial dedusting technology such as existing cyclone dust extractor and sack cleaners, the removal effect of fine particulates is poor, and electrostatic precipitator and hydrofilter are difficult to the dust particale of trapping 0.1～1 μm.So for the elimination of industrial fine particulates, research worker proposes various new high-effective dust-removing technology, as promote and improve low pressure drop high efficiency electrostatic dedusting, wet static dedusting technology, electricity novel elimination particulate the thing such as bag composite dedusting technology and plasma method method, to improve the removal efficiency of fine particulates.
Hydrargyrum in flue gas generally has three kinds of forms: particulate Hg, mercury oxide and Elemental Mercury.Wherein particulate Hg and mercury oxide can remove in the devices such as follow-up desulfurization, also can be attached on particulate matter and be removed by dust arrester, but due to the high volatility of Elemental Mercury and low aqueous solubility so that it is it is difficult to be removed by said apparatus, and it is discharged in air with flue gas, cause environmental pollution.
CN101693465A discloses the integral denitration demercuration method of a kind of absorbing synergic plasma effect, it is in the gas containing nitric oxide and hydrargyrum, add nitrogen and mix, be passed to crest voltage be not less than 3000 volts, pulse power frequency be not less than the high-frequency and high-voltage electric field of 500 hertz, it is achieved denitration demercuration simultaneously.Although the method make use of the method for absorbing synergic plasma, but it is poor to the removal effect of the fine particulates in pending gas, simultaneously that the removal effect of Elemental Mercury is also undesirable.
CN101716451A discloses a kind of discharge plasma and the method absorbing the elimination various pollutants in fume that combines.Fire coal or incineration flue gas after electric precipitation or bag-type dust process, are passed sequentially through prewashing column, one-level discharging plasma reactor, first grade absorption tower, two-stage discharge plasma reactor and two-level absorption tower by described method.Prewashing column is for flue gas preliminary clearning, cooling and the concentration of absorption liquid；One-level discharging plasma reactor is for NO oxidation and fine particle is charged, trapping elimination；First grade absorption tower is used for SO2、NOxWith the washing elimination of charged fine particle；Two-stage discharge plasma reactor removes for the oxidation of element Hg and the charged and trapping of acid mist, ammonium mist；Two-level absorption tower removes for the washing of oxidation state Hg with other pollutant.But the method is poor to the removal effect of fine particulates particularly PM2.5, and Elemental Mercury therein is difficult to be removed equally, and is discharged in air with flue gas.
Summary of the invention
For above-mentioned prior art, the fine particulates less than 10um of the particle diameter in flue gas and Elemental Mercury are difficult to the problems such as elimination, the invention provides the flue gas ash removal mercury removal device of a kind of plasma reactor associating membrane bag filter and processing method thereof.Plasma is combined by described method with membrane bag filter, the effect utilizing plasma makes the dust in flue gas produce charged and coalescence occurs, simultaneously the oxygen radical in plasma can oxidizing simple substance mercury, then gas is in the membrane bag filter of sack cleaner, micronic dust can be removed on the one hand, on the other hand the demercuration catalyst on filter bag can oxidation removal Elemental Mercury further, and the oxygen-derived free radicals of plasma generation can improve catalyst activity.Device of the present invention and processing method, it is possible to be greatly improved the removal efficiency of fine particulates and the oxidation removal efficiency of Elemental Mercury, and reduce the energy consumption of plasma and the abrasion of filter bag.
For reaching this purpose, the present invention by the following technical solutions:
First aspect, the invention provides a kind of flue gas ash removal mercury removal device, and described device includes plasma reactor and sack cleaner, and plasma reactor is connected by air inlet pipe with sack cleaner, the built-in membrane bag filter of sack cleaner.
In the present invention, plasma in plasma reactor has the effect of better charged coalescence for the diameter fine particulates less than 10um, flue gas is through plasma reactor, in plasma environment, it is charged that particulate matter in flue gas can produce heteropolarity, owing to particulate matter carries xenogenesis electric charge, act at electric field force and Coulomb force, fine particulates constantly carries out warm-up movement and carries out colliding and producing coalescence, particularly some superfine particulate matters can be attached to so that electrophoretic type arrives ash surface on bulky grain thing and then remove, and plasma reactor can produce substantial amounts of living radical, can oxidizing simple substance mercury, and the oxygen-derived free radicals that plasma produces can improve catalyst activity in subsequent process.
In the present invention, membrane bag filter adheres to the polytetrafluoroethylene floor being loaded with catalyst, and it can remove micronic dust and Elemental Mercury further, has higher micronic dust and Elemental Mercury removal efficiency, and can reduce plasma energy consumption.
The size of plasma reactor of the present invention and sack cleaner can be adjusted according to handled exhaust gas volumn.
As the preferred version of the present invention, described plasma reactor is line plank frame, adopts line plank frame can facilitate the collection of particulate matter.
As the preferred version of the present invention, described plasma reactor includes electrode, and this electrode is high-field electrode, and its voltage is 0～100KV and does not include 0.
Preferably, described electrode is connected with power supply.
Preferably, described power supply is high frequency electric source, and described high frequency electric source refers to the power supply of supply frequency scope more than 100KHz again, adopts high-frequency electrode to have higher electric energy conversion efficiency and good charged intensity.
Preferably, described power supply be in power of alterating and direct current, the pulse power or radio-frequency power supply any one.
Preferably, the outer wall of described plasma reactor is connected with earth lead.
As the preferred version of the present invention, described sack cleaner also includes air-purifying chamber, and air-purifying chamber is positioned at the exit of membrane bag filter, and the fume collection after membrane bag filter purified treatment, in air-purifying chamber, carries out outer row again through sack cleaner outlet pipe.
As the preferred version of the present invention, described membrane bag filter, using polyimide fiber and/or polytetrafluoroethylmaterial material as scrim material, adheres to the polytetrafluoroethylene floor being loaded with catalyst in scrim material.
Preferably, described catalyst is demercuration catalyst.
Preferably, described demercuration catalyst is Mn-Ce/TiO2Catalyst, it is not limited to Mn-Ce/TiO2Catalyst, its spy can carry out the catalyst of demercuration catalysis and be equally applicable to the present invention, but with Mn-Ce/TiO2Catalyst effect is optimum.Described demercuration catalyst can reduce reaction temperature, has higher demercuration ability.
Second aspect, the invention provides the processing method of above-mentioned flue gas ash removal mercury removal device, and described method is:
After pending flue gas first plasma-treated removing dust granules thing and preliminary demercuration, carry out membrane bag filter dedusting further catalysis demercuration, finally give the flue gas after purification.
As the preferred version of the present invention, described Cement Composite Treated by Plasma carries out in plasma reactor.
Preferably, the process voltage of described Cement Composite Treated by Plasma is 0～100KV and does not include 0, for instance 5kV, 10kV, 30kV, 50kV, 70kV or 100kV etc., it is not limited to cited numerical value, in listed scope, other numerical value are all feasible.
As the preferred version of the present invention, described membrane bag filter dedusting carries out in sack cleaner.
As the preferred version of the present invention, in described membrane bag filter dedusting, used catalyst is demercuration catalyst.
Preferably, described demercuration catalyst is Mn-Ce/TiO2Catalyst.
Preferably, the temperature of described membrane bag filter dedusting is 150～300 DEG C, for instance 150 DEG C, 170 DEG C, 200 DEG C, 230 DEG C, 250 DEG C, 270 DEG C or 300 DEG C etc., it is not limited to cited numerical value, in listed scope, other numerical value are all feasible.
As the preferred version of the present invention, described method is:
Pending flue gas is introduced in plasma reactor, after plasma-treated removing dust granules thing and preliminary demercuration, enters and carries out membrane bag filter dedusting further catalysis demercuration in sack cleaner, finally give the flue gas after purification.
In the present invention, pending flue gas is introduced into plasma reactor, in plasma reactor, in order to make dust band charged, first has to obtain substantial amounts of gas ion.Under the effect of plus high-voltage field, in plasma reactor, gas molecule ionizes out electronics and ion, produce high energy electron again with other gas molecule collisions, gas ionization aggravates, electron avalanche occurring then, produces substantial amounts of charged particle, whole reactor finally contains a large amount of high energy electron, ion and free radical.Charged particle under electric field action, chaotic warm-up movement and dust collision during because of diffusion and to make it be with charged.Plasma makes the electric charge of different (positive and negative) on the grey dust lane that passes through, from attracting mutually under the effect of Coulomb force, coacervating large particle, by coalescence effect intergranular in plasma, it is possible to the little fine particulates to submicron order is effectively collected.After dust band is charged, as collecting plate motion under electric field action, discharge electric charge after arriving pole plate and deposit.Additionally, due to plasma produces substantial amounts of living radical, it is possible to series of chemical occurs, it is also possible to effectively elemental mercury oxidation is removed.
After plasma-treated removing dust granules thing and preliminary demercuration, enter in sack cleaner and carry out membrane bag filter dedusting, scrim material within membrane bag filter can effectively further remove the particulate matter in flue gas, then flue gas is through being loaded with the polytetrafluoroethylene floor of catalyst, can remaining Elemental Mercury in oxidation removal flue gas effectively, reach efficient elimination fine particulates and Elemental Mercury simultaneously, to meet environmental requirement.
Compared with prior art, the method have the advantages that
Plasma is combined by the present invention with membrane bag filter, the effect utilizing plasma makes the dust in flue gas produce charged and coalescence occurs, simultaneously the oxygen radical in plasma can oxidizing simple substance mercury, then gas is in membrane bag filter, micronic dust can be removed on the one hand, on the other hand the demercuration catalyst on filter bag can oxidation removal Elemental Mercury further, and the oxygen-derived free radicals that plasma produces can also improve catalyst activity, making the fine particulates removal efficiency in flue gas is more than 99%, the removal efficiency of Elemental Mercury is more than 95%, and make isoionic energy consumption reduce about 20% relative to prior art.
Accompanying drawing explanation
Fig. 1 is the structural representation of flue gas ash removal mercury removal device of the present invention；
Fig. 2 is the structural representation of flue gas ash removal mercury removal device plasma reactor；
Fig. 3 is the profile of the Section A-A of plasma reactor；
Fig. 4 is the structural representation of membrane bag filter in flue gas ash removal mercury removal device；
Wherein, 1-air inlet pipe, 2-plasma reactor, 3-sack cleaner, 4-outlet pipe, 5-electrode, 6-power supply, 7-earth lead, 8-scrim material, 9-polytetrafluoroethylene floor, 10-air inlet, 11-membrane bag filter, 12-air-purifying chamber, 13-gas outlet.
Detailed description of the invention
Below in conjunction with several specific embodiments; exemplary illustration and help are further appreciated by the present invention; but embodiment detail is merely to illustrate the present invention; do not represent whole technical schemes under present inventive concept; therefore should not be construed as the technical scheme to the present invention is total to limit, some are In the view of technical staff, and the unsubstantiality not necessarily departing from inventive concept is changed; such as the technical characteristic to have same or similar technique effect simply changes or replaces, and all belongs to scope.
As shown in Figure 1,2 and 3, the invention provides a kind of flue gas ash removal mercury removal device, this device includes plasma reactor 2 and sack cleaner 3, and plasma reactor 2 is connected by air inlet pipe 1 with sack cleaner 3, the built-in membrane bag filter 11 of sack cleaner 3.
Described plasma reactor 2 is line plank frame, and including electrode 5, electrode can be various shape such as zigzag etc., and electrode 5 is connected with power supply 6, and power supply 6 is high frequency electric source, be further in power of alterating and direct current, the pulse power or radio-frequency power supply any one.
The outer wall of described plasma reactor 2 is connected with earth lead 7.
Described sack cleaner 3 also includes air-purifying chamber 12, and air-purifying chamber 12 is positioned at the exit of membrane bag filter 11, and air-purifying chamber 12 is connected with outlet pipe 4, and outlet pipe 4 picks out air port 13.
Described membrane bag filter 11, using polyimide fiber and/or polytetrafluoroethylmaterial material as scrim material 8, adheres to the polytetrafluoroethylene floor 9 being loaded with catalyst in scrim material 8, and structure is as shown in Figure 4；Described catalyst is demercuration catalyst；Described demercuration catalyst is Mn-Ce/TiO2Catalyst.
Embodiment 1:
Present embodiments provide following a kind of flue gas ash removal mercury removal device:
Described device is two-part structure, and including plasma reactor 2 and sack cleaner 3, plasma reactor 2 is connected by air inlet pipe 1 with sack cleaner 3, the built-in membrane bag filter 11 of sack cleaner 3.
Described plasma reactor 2 is line plank frame, and including electrode 5, electrode 5 is connected with power of alterating and direct current 6, and the outer wall of plasma reactor 2 is connected with earth lead 7.
Shown sack cleaner 3 also includes air-purifying chamber 12, and air-purifying chamber 12 is positioned at the exit of membrane bag filter 11, and air-purifying chamber 12 is connected with outlet pipe 4, and outlet pipe 4 picks out air port 13.
Described membrane bag filter 11, using polyimide fiber material as scrim material 8, adheres to the polytetrafluoroethylene floor 9 being loaded with catalyst in scrim material 8, and described catalyst is Mn-Ce/TiO2Catalyst.
Adopting said apparatus that simulated flue gas is processed, in described simulated flue gas, fine particulates content is 5g/m3, Elemental Mercury content is 20ug/m3, processing method is as follows:
Pending simulated flue gas enters plasma reactor 2 through air inlet 10, it is the high voltage electric field of 50KV that the high-field electrode of plasma reactor 2 and reactor form voltage, gas ionization is made to contain a large amount of charged particles, fine particulates in flue gas brings different electric charge through electric field by electric-field charge and diffusional charging, under electric field action, carry out charged particle be constantly agglomerated into the soot dust granule of greater particle size, plasma produces some reactive oxygen free radical simultaneously, Elemental Mercury in oxidation flue gas, flue gas after plasma-treated removing dust granules thing and preliminary demercuration enters the membrane bag filter 11 in sack cleaner 3 by air inlet pipe 1, micronic dust in flue gas can be filtered further by polyimide fiber scrim material 8 in membrane bag filter 11, Elemental Mercury in flue gas is then loaded with Mn-Ce/TiO by attached2The polytetrafluoroethylene floor 9 of catalyst carries out oxidation removal, and wherein, the temperature of membrane bag filter dedusting is 200 DEG C, and then flue gas is through air-purifying chamber 12, outlet pipe 4 and gas outlet 13 discharger.
Eventually passing through fine particulates content in the flue gas after process is 10～30mg/m3, Elemental Mercury content is 0.8～2ug/m3, namely particulate matter removing efficiency is more than 99%, and the removal efficiency of Elemental Mercury is more than 90%, and makes isoionic energy consumption reduce about 20% relative to prior art.
Embodiment 2:
Except power supply 6 is except the pulse power in the device that the present embodiment adopts, the miscellaneous part of device is all in the same manner as in Example 1 with connected mode.
Adopt this flue gas ash removal mercury removal device that simulated flue gas is processed, except high-field electrode and the reactor of plasma reactor 2 form the voltage of 50KV, the temperature of membrane bag filter dedusting is outside 300 DEG C, processing method is in the same manner as in Example 1, and making fine particulates content in the flue gas after eventually passing through process is 10～30mg/m3, Elemental Mercury content is 0.6～1.5ug/m3, namely particulate matter removing efficiency is more than 99%, and the removal efficiency of Elemental Mercury is more than 92%, and makes isoionic energy consumption reduce about 25% relative to prior art.
Embodiment 3:
The device that the present embodiment adopts is all in the same manner as in Example 1 with connected mode.
Adopt this flue gas ash removal mercury removal device that simulated flue gas is processed, except high-field electrode and the reactor of plasma reactor 2 form the voltage of 100KV, the temperature of membrane bag filter dedusting is outside 150 DEG C, processing method is in the same manner as in Example 1, and making fine particulates content in the flue gas after eventually passing through process is 10～30mg/m3, Elemental Mercury content is 0.6～1.5ug/m3, namely particulate matter removing efficiency is more than 99%, and the removal efficiency of Elemental Mercury is more than 93%, and makes isoionic energy consumption reduce about 22% relative to prior art.
Comparative example 1:
Simulated flue gas is processed by this comparative example only with plasma reactor 2, the content of simulated flue gas is in the same manner as in Example 1, the structure of plasma reactor 2 and processing procedure are all in the same manner as in Example 1, and eventually passing through fine particulates content in the flue gas after process is 0.8g/m3, Elemental Mercury content is 4.5ug/m3, namely particulate matter removing efficiency is about 85%, and the removal efficiency of Elemental Mercury is about 75%.
Comparative example 2:
Simulated flue gas is processed by this comparative example only with sack cleaner 3, the content of simulated flue gas is in the same manner as in Example 1, the structure of sack cleaner 3 and processing procedure are all in the same manner as in Example 1, and eventually passing through fine particulates content in the flue gas after process is 0.1g/m3, Elemental Mercury content is 6.5ug/m3, namely particulate matter removing efficiency is about 95%, and the removal efficiency of Elemental Mercury is about 65%.
The result of integrated embodiment 1-3 and comparative example 1-2 can be seen that, plasma is combined by the present invention with membrane bag filter, the effect utilizing plasma makes the dust in flue gas produce charged and coalescence occurs, simultaneously the oxygen radical in plasma can oxidizing simple substance mercury, then gas is in membrane bag filter, micronic dust can be removed on the one hand, on the other hand the demercuration catalyst on filter bag can oxidation removal Elemental Mercury further, and the oxygen-derived free radicals that plasma produces can also improve catalyst activity, making the fine particulates removal efficiency in flue gas is more than 99%, the removal efficiency of Elemental Mercury is more than 92%, and make isoionic energy consumption reduce about 20% relative to prior art.
Applicant states, the present invention illustrates the method detailed of the present invention by above-described embodiment, but the invention is not limited in above-mentioned method detailed, does not namely mean that the present invention has to rely on above-mentioned method detailed and could implement.The equivalence of each raw material of product of the present invention, it will be clearly understood that any improvement in the present invention, is replaced and the interpolation of auxiliary element, concrete way choice etc. by person of ordinary skill in the field, all falls within protection scope of the present invention and open scope.
Claims (10)
1. a flue gas ash removal mercury removal device, it is characterized in that, described device is two-part structure, including plasma reactor (2) and sack cleaner (3), plasma reactor (2) is connected by air inlet pipe (1) with sack cleaner (3), sack cleaner (3) built-in membrane bag filter (11).
2. flue gas ash removal mercury removal device according to claim 1, it is characterised in that described plasma reactor (2) is line plank frame.
3. flue gas ash removal mercury removal device according to claim 1 and 2, it is characterised in that described plasma reactor (2) includes electrode (5)；
Preferably, described electrode (5) is connected with power supply (6)；
Preferably, described power supply (6) is high frequency electric source；
Preferably, described power supply (6) be power of alterating and direct current, in the pulse power or radio-frequency power supply any one；
Preferably, the outer wall of described plasma reactor (2) is connected with earth lead (7).
4. the flue gas ash removal mercury removal device according to any one of claim 1-3, it is characterized in that, described sack cleaner (3) also includes air-purifying chamber (12), and air-purifying chamber (12) is positioned at the exit of membrane bag filter (11).
5. the flue gas ash removal mercury removal device according to any one of claim 1-4, it is characterized in that, described membrane bag filter (11), using polyimide fiber and/or polytetrafluoroethylmaterial material as scrim material (8), adheres to the polytetrafluoroethylene floor (9) being loaded with catalyst scrim material (8) is upper；
Preferably, described catalyst is demercuration catalyst；
Preferably, described demercuration catalyst is Mn-Ce/TiO2Catalyst.
6. the processing method of the flue gas ash removal mercury removal device according to any one of claim 1-5, it is characterised in that described method is:
After pending flue gas first plasma-treated removing dust granules thing and preliminary demercuration, carry out membrane bag filter dedusting further catalysis demercuration, finally give the flue gas after purification.
7. processing method according to claim 6, it is characterised in that described Cement Composite Treated by Plasma carries out in plasma reactor (2)；
Preferably, the process voltage of described Cement Composite Treated by Plasma is 0～100KV and does not include 0.
8. the processing method according to claim 6 or 7, it is characterised in that described membrane bag filter dedusting carries out in sack cleaner (3).
9. the processing method according to any one of claim 6-8, it is characterised in that in described membrane bag filter dedusting, used catalyst is demercuration catalyst；
Preferably, described demercuration catalyst is Mn-Ce/TiO2Catalyst；
Preferably, the temperature of described membrane bag filter dedusting is 150～300 DEG C.
10. the processing method according to any one of claim 6-9, it is characterised in that described method is:
Pending flue gas is introduced in plasma reactor (2), after plasma-treated removing dust granules thing and preliminary demercuration, enter and sack cleaner (3) carries out membrane bag filter dedusting further catalysis demercuration, finally give the flue gas after purification.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268223A (en) * | 2016-09-22 | 2017-01-04 | 山东理工大学 | A kind of method of low-temperature plasma synergistic catalyst of transition metal oxide oxidation mercury in flue gas |
| CN107185316A (en) * | 2017-07-13 | 2017-09-22 | 中国石油大学(北京) | A kind of denitrating flue gas dedusting treater and processing method |
| CN111318140A (en) * | 2020-03-17 | 2020-06-23 | 天津辰创环境工程科技有限责任公司 | Filtering type medium blocking discharge flue gas purification system and method |
| CN111530247A (en) * | 2020-05-18 | 2020-08-14 | 中钢集团天澄环保科技股份有限公司 | Bag type adsorber for decomposing dioxin plasma |
| CN112516719A (en) * | 2019-09-18 | 2021-03-19 | 陕西青朗万城环保科技有限公司 | Flue gas washing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050142047A1 (en) * | 2003-12-31 | 2005-06-30 | Hyundai Motor Company | Hybrid-type air purifier for an automobile |
| CN101693165A (en) * | 2009-10-20 | 2010-04-14 | 武汉科技学院 | Integral denitration and demercuration method for absorbing synergic plasma |
| CN101716451A (en) * | 2009-12-29 | 2010-06-02 | 北京航空航天大学 | Method for removing various pollutants in fume by combining discharge plasmas and absorption |
| CN102527207A (en) * | 2012-01-18 | 2012-07-04 | 浙江富春江环保热电股份有限公司 | Method for removing multiple pollutants at the same time through electrostatic enhanced catalytic oxidation device used therein |
| CN202751938U (en) * | 2012-07-25 | 2013-02-27 | 杭州乾贞环境科技有限公司 | Waste gas purification treatment system device of dye spray drying tower |
| CN103111128A (en) * | 2013-02-22 | 2013-05-22 | 广东电网公司电力科学研究院 | Dust-removal mercury-removal filter bag for bag-type dust remover and preparation method of filter bag |
| CN103446805A (en) * | 2013-08-30 | 2013-12-18 | 安徽省元琛环保科技有限公司 | Dedusting and demercuration double-effect functional filter material and preparation method thereof |
| CN104548890A (en) * | 2013-10-23 | 2015-04-29 | 天津市英格环保科技有限公司 | Two-media low-temperature plasma flue gas treatment system |
-
2016
- 2016-04-13 CN CN201610228072.0A patent/CN105709597B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050142047A1 (en) * | 2003-12-31 | 2005-06-30 | Hyundai Motor Company | Hybrid-type air purifier for an automobile |
| CN101693165A (en) * | 2009-10-20 | 2010-04-14 | 武汉科技学院 | Integral denitration and demercuration method for absorbing synergic plasma |
| CN101716451A (en) * | 2009-12-29 | 2010-06-02 | 北京航空航天大学 | Method for removing various pollutants in fume by combining discharge plasmas and absorption |
| CN102527207A (en) * | 2012-01-18 | 2012-07-04 | 浙江富春江环保热电股份有限公司 | Method for removing multiple pollutants at the same time through electrostatic enhanced catalytic oxidation device used therein |
| CN202751938U (en) * | 2012-07-25 | 2013-02-27 | 杭州乾贞环境科技有限公司 | Waste gas purification treatment system device of dye spray drying tower |
| CN103111128A (en) * | 2013-02-22 | 2013-05-22 | 广东电网公司电力科学研究院 | Dust-removal mercury-removal filter bag for bag-type dust remover and preparation method of filter bag |
| CN103446805A (en) * | 2013-08-30 | 2013-12-18 | 安徽省元琛环保科技有限公司 | Dedusting and demercuration double-effect functional filter material and preparation method thereof |
| CN104548890A (en) * | 2013-10-23 | 2015-04-29 | 天津市英格环保科技有限公司 | Two-media low-temperature plasma flue gas treatment system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268223A (en) * | 2016-09-22 | 2017-01-04 | 山东理工大学 | A kind of method of low-temperature plasma synergistic catalyst of transition metal oxide oxidation mercury in flue gas |
| CN107185316A (en) * | 2017-07-13 | 2017-09-22 | 中国石油大学(北京) | A kind of denitrating flue gas dedusting treater and processing method |
| CN107185316B (en) * | 2017-07-13 | 2019-12-03 | 中国石油大学(北京) | A kind of denitrating flue gas dedusting treater and processing method |
| CN112516719A (en) * | 2019-09-18 | 2021-03-19 | 陕西青朗万城环保科技有限公司 | Flue gas washing device |
| CN111318140A (en) * | 2020-03-17 | 2020-06-23 | 天津辰创环境工程科技有限责任公司 | Filtering type medium blocking discharge flue gas purification system and method |
| CN111318140B (en) * | 2020-03-17 | 2023-04-14 | 天津辰创环境工程科技有限责任公司 | Filtering type medium blocking discharge flue gas purification system and method |
| CN111530247A (en) * | 2020-05-18 | 2020-08-14 | 中钢集团天澄环保科技股份有限公司 | Bag type adsorber for decomposing dioxin plasma |
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