CN107051143A - A kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation - Google Patents

A kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation Download PDF

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Publication number
CN107051143A
CN107051143A CN201710229585.8A CN201710229585A CN107051143A CN 107051143 A CN107051143 A CN 107051143A CN 201710229585 A CN201710229585 A CN 201710229585A CN 107051143 A CN107051143 A CN 107051143A
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Prior art keywords
temperature plasma
tower
low temperature
flue gas
cylinder
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Chinese (zh)
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沈剑
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Ningbo University of Technology
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Ningbo University of Technology
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Priority to CN201710229585.8A priority Critical patent/CN107051143A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D45/00Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/32Separation 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 by electrical effects other than those provided for in group B01D61/00
    • B01D53/323Separation 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 by electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8637Simultaneously removing sulfur oxides and nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/10Oxidants
    • B01D2251/102Oxygen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/30Alkali metal compounds
    • B01D2251/304Alkali metal compounds of sodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • B01D2251/606Carbonates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20707Titanium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/818Employing electrical discharges or the generation of a plasma
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/10Capture or disposal of greenhouse gases of nitrous oxide (N2O)

Abstract

A kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation of the present invention by tower body, dioxygen tank, the first centrifugal pump, lye tank (vat), the second centrifugal pump group into;Low temperature plasma and catalyzing cooperation technology and alkali liquor absorption process integration into an equipment, are first carried out dedusting and flue gas conditioning by the present invention in the device, recycle low temperature plasma and catalyzing cooperation technology to realize to the SO in flue gas2And NOXDeep oxidation, reuse alkali liquor absorption oxide, complete the dedusting to flue gas and desulphurization denitration.The device of the present invention can realize desulphurization denitration and the dedusting of flue gas, the outstanding advantages with process integration simultaneously.

Description

A kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation
Technical field
The present invention relates to fume treatment field, more particularly to a kind of desulfurization based on low temperature plasma and catalyzing cooperation are de- Nitre device.
Background technology
China is to contain numerous pollutants in the flue gas produced in coal-fired big country, coal combustion process, wherein mainly there is dioxy Change sulphur(SO2), nitrogen oxides(NOx)And particulate matter, wherein SO2, NOXThe discharge of gas not only causes acid rain, and in an atmosphere The particulate matter of sulfate and nitrate can be formed after oxidation, is one of important origin cause of formation of China's haze.China is to SO2And NOX's Increasingly stricter standard has been formulated in discharge, it is therefore necessary to carry out desulphurization denitration processing to coal-fired flue-gas.Current comparative maturity Flue gas desulfurization technique is that limestone/gypsum method, flue-gas denitration process are SCRs(SCR)Method.Above-mentioned desulfurization and de- Nitre technique is general to be realized in different devices, therefore flue gas processing device is huge and complexity.
Plasma(Plasma)It is a kind of by the physical form of free electron and charged ion for main component, deposits extensively It is in universe, is often considered to be the 4th state of material, be referred to as plasma state, or " super gaseous state ", also referred to as " plasma-based body ".It is low Isothermal plasma is one kind of plasma, is characterized in that electron temperature is very high, but heavy particle temperature is very low, and whole system is presented Low-temperature condition, so referred to as low temperature plasma, is also non-equilibrium plasma.Gas molecule in gas(N2、O2、H2O Deng)Ionized by high energy electron, form various free radicals and active particle, these free radicals and active particle have very high reaction Activity, can aoxidize or reduce SO in flue gas2And NOX, if oxidant is added in flue gas oxidation reaction is dominant.In addition in oxygen Also oxygenation efficiency can be increased under the synergy for changing catalyst, therefore the collaboration of low temperature plasma and catalysis can increase in flue gas SO2And NOXOxidized selectivity and oxidation rate.SO in flue gas2And NOXIt is oxidized to SO3And NO2After be easy for being inhaled with alkali lye Receive removing.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of based on low-temperature plasma for the above-mentioned state of the art The desulfuring and denitrifying apparatus of body and catalyzing cooperation, by low temperature plasma and catalyzing cooperation technology and alkali liquor absorption process integration to one In individual equipment, rough dusting and flue gas conditioning are carried out in the device, recycle low temperature plasma and catalyzing cooperation technology real Now to the SO in flue gas2And NOXOxidation, reuse alkali liquor absorption oxide(Predominantly SO3And NO2), complete to the first of flue gas Walk dedusting and desulphurization denitration.
The technical scheme that present invention solution above-mentioned technical problem is used is one kind based on low temperature plasma and catalysis association Same desulfuring and denitrifying apparatus, the device is by tower body 15, dioxygen tank 1, the first centrifugal pump 2, lye tank (vat) 13,14 groups of the second centrifugal pump Into;Described tower body 15 is made up of the conical head of a cylinder and cylinder upper and lower ends, and conical head tip in upper end is provided with purification Gas outlet 11, lower end conical head tip is provided with dust-exhausting port 12;It is disposed with from top to bottom in the cylinder of described tower body 15 Spray trap 10, alkali lye shower nozzle 9, tarpaulin 8, low temperature plasma catalyst converter 7, central air hose 6, central dividing plate 5, it is described Low temperature plasma catalyst converter 7 surrounds a cylinder space by inner cylinder net 7-1 and outer cylinder net 7-2, is loaded in cylinder space Have catalyst 7-3 and be provided with 8 high-voltage conducting wires 7-4, described 8 high-voltage conducting wires 7-4 in cylinder space interior axle symmetrically and evenly Distribution, the upper end of low temperature plasma catalyst converter 7 is closed by tarpaulin 8;Described central dividing plate 5 is a cone-shaped ring, and is bored Head-up, the outer rim of cone-shaped ring on the inside of the cylinder of tower body 15 with welding together, and the inner edge of central air hose 6 and cone-shaped ring is welded It is connected together, the upper end of central air hose 6 is connected with the lower end of low temperature plasma catalyst converter 7;Centre in described tower body 15 Tower body 15 has been separated into two chambers up and down by dividing plate 5, and epicoele is absorbing cavity, and cavity of resorption is the quenched chamber of dedusting, in the quenched chamber of dedusting The tangentially-arranged smoke inlet 3 for having a rectangle sideways, the smoke inlet 3 can make flue gas tangentially enter the quenched chamber of dedusting so that Flue gas forms cyclone dust removal effect in the quenched intracavitary rotation of dedusting;Dioxygen sprinkler head 4 is provided with described smoke inlet 3;Institute The dioxygen tank 1 stated passes through the second pipe by the first pipeline and the inlet communication of the first centrifugal pump 2, the outlet of the first centrifugal pump 2 Road is connected with dioxygen sprinkler head 4;Described lye tank (vat) 13 is connected by the 3rd pipeline with the bottom of the absorbing cavity of tower body 15, alkali lye Groove 13 passes through the 5th pipeline and alkali lye by the 4th pipeline and the inlet communication of the second centrifugal pump 14, the outlet of the second centrifugal pump 14 Shower nozzle 9 is connected.
As an improvement, described catalyst 7-3 is the titanium dioxide granule that particle diameter is 2 ~ 5 mm.
Improve again, positive pulsed high-voltage is loaded with described high-voltage conducting wires 7-4, the crest voltage of pulsed high-voltage is 5 ~ 30 kV, pulse frequency is 50 ~ 300Hz, and pulse width is 100 ~ 500 ns.
A kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation of the present invention takes off in progress flue gas desulfurization Course of work during nitre is as follows:Flue gas tangentially enters the quenched chamber of dedusting of tower body 15 from smoke inlet 3, while the first centrifugal pump 2 By the hydrogen peroxide in dioxygen tank 1 via the first pipeline and the second Pipeline transport to dioxygen sprinkler head 4, and by dioxygen sprinkler head 4 Atomization is sprayed into smoke inlet 3 and as flue gas together enters the quenched chamber of dedusting of tower body 15;Carried in the quenched intracavitary of dedusting The flue gas of hydrogen peroxide carries out cyclonic separation, discharges most of particulate separation in flue gas and from dust-exhausting port 12, at the same time Hydrogen peroxide evaporates SO a part of in water release oxygen, oxidation flue gas in flue gas2And NOX, so that in the quenched intracavitary of dedusting Part dedusting, increase humidity and partial oxidation to flue gas, obtained quenched flue gas;Quenched flue gas is entered by central air hose 6 Catalyst 7-3 is then passed through in the inner cylinder net 7-1 of low temperature plasma catalyst converter 7, while 8 high-voltage conducting wires 7-4 produce low temperature Plasma is under catalyst 7-3 synergy further by the SO in quenched flue gas2And NOXIt is oxidized to SO3And NO2Obtain Flue gas is aoxidized, oxidation flue gas enters the absorbing cavity of tower body 15;Second centrifugal pump 14 is by the alkali lye of lye tank (vat) 13(Sodium carbonate liquor or ammonia Water or aqua calcis)Via the 4th and the 5th Pipeline transport to the atomized spray of alkali lye shower nozzle 9 in absorbing cavity, the alkali of atomization Liquid and the oxidation smoke contacts in absorbing cavity, absorb SO therein3And NO2Form corresponding sulfate and nitrate, after fall into suction The bottom of chamber is received, then lye tank (vat) 13 is entered by the 3rd pipeline;Purifying smoke, smoke-purifying have been obtained after oxidation flue gas desulfurization and denitrification Gas up removes the droplet of entrainment through spray trap 10, is finally discharged from clean gas outlet 11.
The beneficial effects of the invention are as follows:In the quenched intracavitary of dedusting, realized using its cyclone dust removal function to particle in flue gas The preliminary removing of thing reduces the influence to subsequent catalyst, using hydrogen peroxide to the SO in flue gas2And NOXCarry out preliminary oxidation With it is quenched, be easy to follow-up deep oxidation;Utilize the SO in low temperature plasma and catalyzing cooperation depth of interaction oxidation flue gas2 And NOX, have the advantages that degree of oxidation is deep;The device of the present invention can realize desulphurization denitration and the dedusting of flue gas simultaneously, have Cheng Jicheng outstanding advantages.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation of the present invention.
Fig. 2 is the schematic elevation view of the low temperature plasma catalyst converter of the present invention.
Fig. 3 is the schematic top plan view of the low temperature plasma catalyst converter of the present invention.
Wherein:1 is dioxygen tank, and 2 be the first centrifugal pump, and 3 be smoke inlet, and 4 be dioxygen sprinkler head, and 5 be central dividing plate, Airduct centered on 6,7 be low temperature plasma catalyst converter, and 8 be tarpaulin, and 9 be alkali lye shower nozzle, and 10 be spray trap, and 11 be net Change gas outlet, 12 be dust-exhausting port, and 13 be lye tank (vat), and 14 be the second centrifugal pump, and 15 be tower body, and 7-1 is inner cylinder net, and 7-2 is outer Coghill net, 7-3 is catalyst, and 7-4 is high-voltage conducting wires.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.1, accompanying drawing 2 and accompanying drawing 3, are described in further detail by embodiment to the present invention below with reference to the accompanying drawings.
Embodiment 1
A kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation is by tower body 15, dioxygen tank 1, the first centrifugal pump 2nd, lye tank (vat) 13, the second centrifugal pump 14 are constituted;Described tower body 15 is made up of the conical head of a cylinder and cylinder upper and lower ends, Upper end conical head tip is provided with clean gas outlet 11, and conical head tip in lower end is provided with dust-exhausting port 12;Described tower body 15 Be disposed with from top to bottom in cylinder spray trap 10, alkali lye shower nozzle 9, tarpaulin 8, low temperature plasma catalyst converter 7, in Heart airduct 6, central dividing plate 5, described low temperature plasma catalyst converter 7 surround a circle by inner cylinder net 7-1 and outer cylinder net 7-2 Cylinder space, catalyst 7-3 is filled with cylinder space and 8 high-voltage conducting wires 7-4,8 described high-voltage conducting wires 7-4 are provided with Symmetrically and evenly it is distributed in cylinder space interior axle, the upper end of low temperature plasma catalyst converter 7 is closed by tarpaulin 8;Described centre Dividing plate 5 is a cone-shaped ring, and conehead is upward, and the outer rim of cone-shaped ring on the inside of the cylinder of tower body 15 with welding together, center The inner edge of airduct 6 and cone-shaped ring welds together, and the upper end of central air hose 6 connects with the lower end of low temperature plasma catalyst converter 7 It is logical;Tower body 15 has been separated into two chambers up and down by central dividing plate 5 in described tower body 15, and epicoele is absorbing cavity, cavity of resorption be except The quenched chamber of dirt, in the tangentially-arranged smoke inlet 3 for having a rectangle in the side of the quenched chamber of dedusting, the smoke inlet 3 can make flue gas It is tangential to enter the quenched chamber of dedusting so that flue gas forms cyclone dust removal effect in the quenched intracavitary rotation of dedusting;Described smoke inlet Dioxygen sprinkler head 4 is provided with 3;Described dioxygen tank 1 passes through the first pipeline and the inlet communication of the first centrifugal pump 2, first The outlet of centrifugal pump 2 is connected by the second pipeline with dioxygen sprinkler head 4;Described lye tank (vat) 13 passes through the 3rd pipeline and tower body 15 Absorbing cavity bottom connection, lye tank (vat) 13 passes through the 4th pipeline and the inlet communication of the second centrifugal pump 14, the second centrifugal pump 14 Outlet connected by the 5th pipeline with alkali lye shower nozzle 9.
Flue gas tangentially enters the quenched chamber of dedusting of tower body 15 from smoke inlet 3, while the first centrifugal pump 2 is by dioxygen tank 1 Interior hydrogen peroxide is atomized penetrating flue gas via the first pipeline and the second Pipeline transport to dioxygen sprinkler head 4, and by dioxygen sprinkler head 4 In entrance 3 and as flue gas together enters the quenched chamber of dedusting of tower body 15;The flue gas of hydrogen peroxide is carried in the quenched intracavitary of dedusting Cyclonic separation is carried out, is discharged most of particulate separation in flue gas and from dust-exhausting port 12, at the same time hydrogen peroxide is in flue gas A part of SO in middle evaporation water release oxygen, oxidation flue gas2And NOX, so as to be removed in the quenched intracavitary of dedusting to the part of flue gas Dirt, increase humidity and partial oxidation, obtained quenched flue gas;Quenched flue gas is urged by central air hose 6 into low temperature plasma Catalyst 7-3 is then passed through in the inner cylinder net 7-1 for changing device 7, while 8 high-voltage conducting wires 7-4 produce low temperature plasma in catalysis Further by the SO in quenched flue gas under agent 7-3 synergy2And NOXIt is oxidized to SO3And NO2Obtain aoxidizing flue gas, aoxidize cigarette Gas enters the absorbing cavity of tower body 15;Second centrifugal pump 14 is by the alkali lye of lye tank (vat) 13(Sodium carbonate liquor solution)Via the 4th and the 5th Pipeline transport is to the atomized spray of alkali lye shower nozzle 9 in absorbing cavity, and the oxidation smoke contacts in the alkali lye and absorbing cavity of atomization absorb SO therein3And NO2Form corresponding sulfate and nitrate, after fall into the bottom of absorbing cavity, then alkali is entered by the 3rd pipeline Liquid bath 13;Purifying smoke is obtained after oxidation flue gas desulfurization and denitrification, purifying smoke up removes entrainment through spray trap 10 Droplet, finally discharged from clean gas outlet 11.
The catalyst 7-3 of the present embodiment is the titanium dioxide granule that particle diameter is 2 mm;It is loaded with high-voltage conducting wires 7-4 positive Pulsed high-voltage, the crest voltage of pulsed high-voltage is 30 kV, and pulse frequency is 300 Hz, and pulse width is 500 ns.This reality The desulfurization degree of example is applied up to 80%, denitration rate is up to 85%, and dust removal efficiency is up to 93%.
Embodiment 2
The catalyst 7-3 of the present embodiment is the titanium dioxide granule that particle diameter is 5 mm;Positive pulse is loaded with high-voltage conducting wires 7-4 High-tension electricity, the crest voltage of pulsed high-voltage is 5 kV, and pulse frequency is 50 Hz, and pulse width is in 100 ns, lye tank (vat) 13 Alkali lye be ammoniacal liquor, remaining be the same as Example 1.The desulfurization degree of the present embodiment is up to 85%, and denitration rate is up to 83%, and dust removal efficiency is up to 95%.
Embodiment 3
The catalyst 7-3 of the present embodiment is the titanium dioxide granule that particle diameter is 4 mm;Positive pulse is loaded with high-voltage conducting wires 7-4 High-tension electricity, the crest voltage of pulsed high-voltage is 18 kV, and pulse frequency is 100 Hz, and pulse width is 300ns, lye tank (vat) 13 Interior alkali lye is aqua calcis, remaining be the same as Example 1.The desulfurization degree of the present embodiment is up to 82%, and denitration rate is up to 80%, dedusting Rate is up to 94%.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (3)

1. a kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation, described device by:Tower body, hydrogen peroxide Groove, the first centrifugal pump, lye tank (vat), the second centrifugal pump group into;
Described tower body is made up of the conical head of a cylinder and cylinder upper and lower ends, and conical head tip in upper end is provided with purified gas Outlet, lower end conical head tip is provided with dust-exhausting port;
Spray trap, alkali lye shower nozzle, tarpaulin, low-temperature plasma are disposed with the cylinder of described tower body from top to bottom Body catalyst converter, central air hose, central dividing plate, described low temperature plasma catalyst converter surround one by inner cylinder net and outer cylinder net Cylinder space, catalyst is filled with cylinder space and 8 high-voltage conducting wires are provided with, 8 described high-voltage conducting wires are in cylinder Space interior axle is symmetrically and evenly distributed, and the upper end of low temperature plasma catalyst converter is by waterproof cap closure;Described central dividing plate is one Cone-shaped ring, and conehead is upward, welds together on the inside of the outer rim of cone-shaped ring and the cylinder of tower body, central air hose is justified with taper The inner edge of ring welds together, and the upper end of central air hose is connected with the lower end of low temperature plasma catalyst converter;
Tower body has been separated into two chambers up and down by the central dividing plate in described tower body, and epicoele is absorbing cavity, and cavity of resorption is adjusted for dedusting Matter chamber, in the tangentially-arranged smoke inlet for having a rectangle in the side of the quenched chamber of dedusting, the smoke inlet can be such that flue gas tangentially enters Enter the quenched chamber of dedusting so that flue gas forms cyclone dust removal effect in the quenched intracavitary rotation of dedusting;Set in described smoke inlet There is dioxygen sprinkler head;
Described dioxygen tank passes through second by the first pipeline and the inlet communication of the first centrifugal pump, the outlet of the first centrifugal pump Pipeline is connected with dioxygen sprinkler head;Described lye tank (vat) is connected by the 3rd pipeline with the bottom of the absorbing cavity of tower body, lye tank (vat) By the 4th pipeline and the inlet communication of the second centrifugal pump, the outlet of the second centrifugal pump is connected by the 5th pipeline and alkali lye shower nozzle It is logical.
2. device according to claim 1, it is characterised in that:Described catalyst is the titanium dioxide that particle diameter is 2 ~ 5 mm Particle.
3. device according to claim 1, it is characterised in that:Positive high voltage pulse is loaded with described high-voltage conducting wires Electricity, the crest voltage of pulsed high-voltage is 5 ~ 30 kV, and pulse frequency is 50 ~ 300 Hz, and pulse width is 100 ~ 500 ns.
CN201710229585.8A 2017-04-10 2017-04-10 A kind of desulfuring and denitrifying apparatus based on low temperature plasma and catalyzing cooperation Pending CN107051143A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109395575A (en) * 2018-08-02 2019-03-01 哈尔滨工程大学 A kind of ship tail gas desulfurization and denitrification integral processing method and processing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109395575A (en) * 2018-08-02 2019-03-01 哈尔滨工程大学 A kind of ship tail gas desulfurization and denitrification integral processing method and processing device

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