CN108854457A - A kind of device and method carrying out flue gas ash removal using oil emulsion - Google Patents

A kind of device and method carrying out flue gas ash removal using oil emulsion Download PDF

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Publication number
CN108854457A
CN108854457A CN201810966142.1A CN201810966142A CN108854457A CN 108854457 A CN108854457 A CN 108854457A CN 201810966142 A CN201810966142 A CN 201810966142A CN 108854457 A CN108854457 A CN 108854457A
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China
Prior art keywords
oil emulsion
flue gas
oil
spray equipment
emulsification
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CN201810966142.1A
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Chinese (zh)
Inventor
周海
王炳辉
张光学
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Ningbo Yuan Kang Power Equipment Co Ltd
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Ningbo Yuan Kang Power Equipment Co Ltd
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Priority to CN201810966142.1A priority Critical patent/CN108854457A/en
Publication of CN108854457A publication Critical patent/CN108854457A/en
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    • 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
    • B01D53/14Separation 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 absorption
    • B01D53/1487Removing organic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2252/00Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/20Organic absorbents
    • B01D2252/205Other organic compounds not covered by B01D2252/00 - B01D2252/20494
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a kind of device and methods that flue gas ash removal is carried out using oil emulsion, belong to exhaust-gas treatment field.The present invention includes scrubbing tower, flue gas cooling body and oil emulsion dedusting mechanism;Scrubbing tower lower part is equipped with smoke inlet, and top is equipped with exhanst gas outlet;Flue gas cooling body includes the coolant liquid spray equipment being set in scrubbing tower;Oil emulsion dedusting mechanism includes the oil emulsion spray equipment being arranged in inside scrubbing tower;Oil emulsion spray equipment is set to the top of coolant liquid spray equipment, and smoke temperature measurement device is equipped between oil emulsion spray equipment and coolant liquid spray equipment.The present invention utilizes emulsification oil processing flue gas for the first time, using the adhesion of oil emulsion dissolution can be adsorbed in carbon soot particles in flue gas and dissolved organic matter, solve the problems, such as that seawater in the prior art or lye can not adsorb dissolved organic matter in flue gas, the efficiency of dust collection and dust removal efficiency of carbon soot particles are further improved simultaneously, is suitable for promoting the use of.

Description

A kind of device and method carrying out flue gas ash removal using oil emulsion
Technical field
The present invention relates to exhaust-gas treatment field, in particular to a kind of device and side that flue gas ash removal is carried out using oil emulsion Method.The present invention is especially suitable for the emission-reduction technologies such as ship, power generation, boiler.
Background technique
Currently, global atmosphere pollution is got worse, and particle is one of main component of atmosphere pollution, and particle can draw It sends out disease a variety of, therefore fuel oil equipment is used to the diesel engine etc. of particulate matter maximum discharge carries out control and be even more important.Emission regulation The discharge limitation of the exhaust micro particles such as diesel engine, boiler is increasingly reinforced.
The particulate emissions of diesel engine are more tens times of gasoline engine, when diesel engine uses fuel oil as fuel, flue gas by Soot(DRY SOOT), dissolved organic matter(SOF) and the composition such as metal inorganic substance, and dissolved organic matter is by high boiling carbon Hydrogen compound (HC), polycyclic aromatic hydrocarbons (PAH) (PAHs) account for about flue gas 34-80% or so, and have been adsorbed on soot as reduction bavin The main means of the Particulate Emissions such as oil machine have the technologies such as particulate Trap Technology, Electrostatic Absorption trapping and cyclonic separation trapping.It is micro- Grain trap arresting efficiency is high, but there are the technical bottlenecks such as regeneration difficulty is big.There are electrical method feeds, low efficiency for Electrostatic Absorption trapping Etc. technological difficulties.
Therefore it develops and a kind of new the technology of diesel engine flue gas ash removal is a problem to be solved.
Oil emulsion is Water-In-Oil (W/O) type lotion that water and diesel oil, gasoline or heavy oil are formed under the action of additive.Mesh Before be mainly used for Reduction for Diesel Engines low combustion temperature, reduce the occasions such as discharged nitrous oxides.
Summary of the invention
In order to make up for the deficiencies of the prior art, the present invention provides it is a kind of using oil emulsion carry out flue gas ash removal device and Method.The present invention can effectively absorb diesel engine, boiler etc. and use the particle and dissolved organic matter in the flue gas of fuel oil equipment (SOF), and NO can be effectively reducedxAnd SOxConcentration reaches International Emissions relevant criterion.
The technical scheme is that:
A kind of device carrying out flue gas ash removal using oil emulsion, including scrubbing tower, flue gas cooling body and oil emulsion dedusting mechanism; The scrubbing tower lower part is equipped with smoke inlet, and top is equipped with exhanst gas outlet;The flue gas cooling body includes being set to described wash Wash the coolant liquid spray equipment in tower;The oil emulsion dedusting mechanism includes the oil emulsion spray being arranged in inside the scrubbing tower Device;The oil emulsion spray equipment is set to the top of coolant liquid spray equipment, the oil emulsion spray equipment and cooling Smoke temperature measurement device is equipped between liquid spray equipment;The oil emulsion spray equipment is connected to emulsification tank by pipeline, described Pipeline between emulsification tank and oil emulsion spray equipment is equipped with oil transfer pump and solenoid valve;The oil emulsion spray equipment and emulsification Oil emulsion reclamation set is additionally provided between case.
Preferably, the oil emulsion reclamation set includes being set to oil emulsion spray equipment and coolant liquid spray dress Baffle device between setting and the pipeline between the baffle device and emulsification tank;The baffle device by flow-stopping plate and Hollow taper type support is constituted;The flow-stopping plate is equipped with several stomatas, is equipped on each stomata for preventing oil emulsion Liquid keeps off liquid cover by the taper that stomata flows down;Gear liquid cover lower part covers stomata, and there are gas outlets on top;The hollow frustum Inner wall of tower is seamless connects with washing for the bottom of shape support;There are gaps between the flow-stopping plate and scrubbing tower.
Preferably, filter and flow are additionally provided on the pipeline between the emulsification tank and oil emulsion spray equipment Meter.Setting filter can enter oil transfer pump to avoid impurity, and setting flowmeter is convenient for control or the flow of metering oil emulsion.
Preferably, the pipeline between the flow-stopping plate and emulsification tank is equipped with oil emulsion detection device and oil return Pump.The oil emulsion detection device can be photoelectric sensor.It can be decided whether to replace missible oil according to the resistance value of photoelectric sensor. Scavenge oil pump, which is arranged, can guarantee that the oil emulsion after spray is back to emulsification tank, if being not provided with scavenge oil pump, the height of emulsification tank certainly Degree is lower than the height of the flow-stopping plate, and the reflux of oil emulsion also may be implemented.
Preferably, demister is equipped between the oil emulsion spray equipment and exhanst gas outlet.
Preferably, the emulsification tank is connected to fuel tank and water tank by pipeline respectively;The emulsification tank and fuel tank it Between pipeline be equipped with solenoid valve;Solenoid valve also is provided on pipeline between the emulsification tank and water tank;It is set on the emulsification tank There are rabbling mechanism and plus agent mouth.Due to the stability of oil emulsion be not it is especially good, generally by the way of ready-to-use, this Fuel tank and water tank is arranged in invention before emulsification tank, and in the setting of emulsification upper box part plus agent mouth, combustion can be added into emulsification tank Oil, water, emulsifier and cosolvent.
Preferably, upper liquid level sensor and lower liquid level sensor are equipped in the emulsification tank.Upper liquid can be used The ratio of level sensor and lower liquid level sensor control water and fuel oil.
Preferably, emulsification oil processing outlet and wastewater outlet are additionally provided on the emulsification tank;At the oil emulsion Reason outlet is connected to fuel tank by pipeline;Pipeline between the fuel tank and emulsification oil processing outlet is equipped with centrifugal oil separator;It is described Wastewater outlet is connected to waste water treatment system by pipeline.After adhering to the substances such as the particle in flue gas to a certain extent, oil emulsion Stability is destroyed, AUTOMATIC ZONING after standing a period of time, and upper layer is that oil reservoir lower layer is water layer, and oil reservoir is by emulsification oil processing After centrifugal oil separator is handled, obtained oil is recyclable to be recycled for outlet;Lower aqueous layer can be followed again after waste water treatment system is handled Ring recycles.
The method being dusted using the device for carrying out flue gas ash removal using oil emulsion, flue gas to be processed is by the cigarette Gas entrance enters scrubbing tower, and flue gas, by oil emulsion spray equipment, utilizes after coolant liquid spray equipment is cooled to 60 DEG C or less After flue gas carbon soot particles and dissolved organic matter are dissolved in absorption by oil emulsion adhesiveness, it is discharged through exhanst gas outlet.
Preferably, the oil emulsion is formed by fuel oil, water, cosolvent and emulsifier, wherein the quality of water Score is 5% ~ 45%, and the mass fraction of emulsifier is 0.4 ~ 2%;The mass fraction of cosolvent is 0.1 ~ 2%;The fuel oil is bavin Oil, gasoline or heavy oil;The emulsifier is compounded by nonionic surface active agent and/or anionic surfactant; The cosolvent is oleic acid or aromatic hydrocarbon.
Beneficial effects of the present invention are:
1, the present invention, can be to carbon soot particles in flue gas and solvable using the adhesion of oil emulsion for the first time using emulsification oil processing flue gas Property organic matter(SOF)Absorption, solve seawater in the prior art or lye can not be to dissolved organic matter in flue gas(SOF)It inhales Attached problem, while further improving the efficiency of dust collection and dust removal efficiency of carbon soot particles.
2, oil emulsion used in the present invention adsorbs carbon soot particles and dissolved organic matter(SOF)Afterwards, it is only necessary to when standing one section Between will AUTOMATIC ZONING, after layering, oil reservoir and water layer can successively carry out recycling and reusing.
3, with good economic efficiency and environmental benefit of the invention is suitable for promoting the use of.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for carrying out the device of flue gas ash removal in embodiment 1 using oil emulsion;
Fig. 2 is the enlarged structure schematic diagram of emulsification tank in Fig. 1;
Fig. 3 is the structural schematic diagram that the present invention carries out baffle device in the device of flue gas ash removal using oil emulsion;
Fig. 4 is the connection relationship diagram of baffle device and scrubbing tower;
Fig. 5 is the structural schematic diagram for carrying out the device of flue gas ash removal in embodiment 2 using oil emulsion.
Specific embodiment
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of device carrying out flue gas ash removal using oil emulsion, including scrubbing tower 1, flue gas are cold But mechanism and oil emulsion dedusting mechanism.Wherein scrubbing tower 1 can be the structure types such as spray column, packed tower, bubble tower.
1 lower part of scrubbing tower is equipped with smoke inlet 2, and top is equipped with exhanst gas outlet 7;Smoke inlet 2 connects diesel smoke pipe, bavin Tail gas in oil machine smoke exhaust pipe is entered in scrubbing tower by smoke inlet.
Flue gas cooling body includes the coolant liquid spray equipment 3 being set in scrubbing tower 1;Oil emulsion dedusting mechanism includes setting Set the oil emulsion spray equipment 6 inside scrubbing tower;Demister 8 is equipped between oil emulsion spray equipment 6 and exhanst gas outlet 7.
Oil emulsion spray equipment 6 is set to the top of coolant liquid spray equipment 3, oil emulsion spray equipment 6 and coolant liquid Smoke temperature measurement device is equipped between spray equipment 3;In the present embodiment, smoke temperature measurement device is temperature sensor 4. Temperature sensor 4 is used to monitor the cooling effect of flue gas, and to guarantee before oil emulsion sprays, flue gas is cooled to 60 DEG C or less. If flue-gas temperature at 60 DEG C or more, cuts off oil emulsion spray.If coolant liquid spray equipment cooling effect is not achieved 60 DEG C Hereinafter, then increasing the intake of coolant liquid.
Coolant liquid spray equipment 3 is connected to coolant liquid by pipeline, the pipeline between coolant liquid spray equipment 3 and coolant liquid On valve should be set.
Oil emulsion spray equipment 6 is connected to the emulsification oil export 29 of emulsification tank 23 by pipeline, and the oil emulsion of emulsification tank 23 goes out Pipeline between mouth 29 and oil emulsion spray equipment 6 is equipped with valve, filter 24, oil transfer pump 25 and flowmeter 26.Pipeline connects The pipeline section of nearly scrubbing tower 1 is divided into multiple branch pipes, and throttle valve 9, and the corresponding row's spray tube of each branch pipe are equipped on each branch pipe, That is, multiple rows of jet pipe can spray oil emulsion simultaneously.
Oil emulsion reclamation set is additionally provided between oil emulsion spray equipment 6 and the oil emulsion refluxing opening 27 of emulsification tank 23, cream Carburetion reclamation set includes the baffle device 5 being set between oil emulsion spray equipment 6 and coolant liquid spray equipment 3 and is located at Pipeline 11 between baffle device 5 and emulsification tank 23.Baffle device 5 can collect the oil emulsion after spray, while will not hinder Flue gas uplink.Pipeline 11 between baffle device 5 and oil emulsion refluxing opening 27 is equipped with valve, scavenge oil pump 10 and oil emulsion detection Device.The oil emulsion detection device can be photoelectric sensor 12.After oil emulsion adsorbs a certain amount of diesel particulation, color Deepen blackening, can be decided whether to replace missible oil according to the resistance value of photoelectric sensor 12, by verifying, resistance value increases to initial At 3 ~ 5 times of resistance value, missible oil can be replaced.
In the present embodiment, baffle device 5 is made of flow-stopping plate 5-4 and hollow taper type support 5-3;On flow-stopping plate 5-4 Equipped with several stomata 5-2, it is equipped on each stomata 5-2 for preventing oil emulsion liquid from keeping off liquid cover by the taper that stomata 5-2 is flowed down 5-1;The gear lower part liquid cover 5-1 covers stomata 5-2, and there are gas outlets on top;The bottom of hollow taper type support 5-3 and scrubbing tower 1 Interior wall seamless connects;There are gaps between flow-stopping plate 5-4 and scrubbing tower 1, in order to which the oil emulsion after spraying is flowed by flow-stopping plate 5-4 To the accommodation space between hollow taper type support 5-3 and scrubbing tower 1, oil emulsion flows back to cream by pipeline 11 in the accommodation space Change case 23.
The water inlet 34 of emulsification tank 23 and oil-in 33 pass through pipeline joining water box 17 and fuel tank 18 respectively;Emulsification tank 23 Pipeline between oil-in 33 and fuel tank 18 is equipped with the first solenoid valve 19;Between the water inlet 34 and water tank 17 of emulsification tank 23 Pipeline is equipped with second solenoid valve 16;Emulsification tank 23 is equipped with rabbling mechanism 14 and plus agent mouth 15;Upper liquid is equipped in emulsification tank 23 Level sensor 28 and lower liquid level sensor 30.If emulsification tank 23 is closed, it is also necessary to venthole 13 be arranged.Oil is from fuel tank 18 It is flow to emulsification tank 23 by the first solenoid valve 19, stops refueling behind liquid level to lower liquid level sensor 30, then from water tank 17 It is controlled by second solenoid valve 16 and adds water into emulsification tank 23, stopped working after the supreme liquid level sensor 28 of liquid level, then lead to Cross plus agent mouth 15 emulsifier and cosolvent are injected into emulsification tank 23, finally under the stirring action of rabbling mechanism 14, oil, water, Emulsifier, cosolvent are mixed to form rapidly oil emulsion, and in carrying out emulsion dust removal process, rabbling mechanism 14 can be according to oil emulsion Stability carry out intermittent work, it is ensured that oil emulsion without layering, in order to avoid influence fume treatment effect.Water mixing in oil emulsion Ratio can change grease volume ratio by the position change of liquid level sensor, realize the online proportion of emulsion.
Emulsification oil processing outlet 32 and wastewater outlet 31 are additionally provided on emulsification tank 23;Emulsification oil processing outlet 32 passes through pipeline It is connected to fuel tank 18;Pipeline between fuel tank 18 and emulsification oil processing outlet 32 is equipped with centrifugal oil separator 20;Wastewater outlet 31 passes through Pipeline is connected to waste water treatment system 21.After adhering to substances such as particle in flue gas to a certain extent, emulsification oil-proofness by It destroys, AUTOMATIC ZONING after standing a period of time, upper layer is that oil reservoir lower layer is water layer, and oil reservoir is by emulsification oil processing outlet through a point oil After the processing of machine 20, obtained oil is recyclable to be recycled;Lower aqueous layer can recycle again sharp after the processing of waste water treatment system 21 With.
The method being dusted using the device that oil emulsion carries out flue gas ash removal, flue gas to be processed are entered by smoke inlet 2 Scrubbing tower 1, flue gas, by oil emulsion spray equipment 6, utilize oil emulsion after coolant liquid spray equipment 3 is cooled to 60 DEG C or less After flue gas carbon soot particles and dissolved organic matter are dissolved in absorption by adhesiveness, it is discharged through exhanst gas outlet 7.
Wherein, the coolant liquid led in coolant liquid spray equipment can be sea in conjunction with tail gas desulfurization, out of stock technology Water, fresh water or desulfurization lye etc. cool down liquid, effect be flue gas is reduced to 60 DEG C hereinafter, and removing the sulphur oxygen in flue gas Compound and part diesel combustion particle.The oil emulsion led in oil emulsion spray equipment is specifically by fuel oil, water(5%~45%), help Solvent(0.1~2%)And emulsifier(0.4~2%)It emulsifies, wherein the mass fraction of water is 5% ~ 45%;Fuel oil is diesel oil, gasoline Or heavy oil;Emulsifier is compounded by nonionic surface active agent and/or anionic surfactant;Cosolvent is oleic acid Or aromatic hydrocarbon.Diesel oil and water are after emulsifying, and viscosity increases, flash-point improves, and explosion-proof performance is excellent.The equipment such as diesel engine, boiler After flue-gas temperature is lower than 60 DEG C after cooling, that is, after being lower than the temperature of Flash Point of Diesel, diesel oil emulsification is pumped into flue through oil pump and sprays, 99% or more in flue gas is easily efficiently trapped by the diesel oil emulsification of high viscosity with dissolved organic matter particle, and safe and reliable.Mesh Before, the flue gas that diesel oil emulsification is used for the equipment such as diesel engine, boiler adsorbs dedusting technology, and there has been no any technical reports.
The device of embodiment 1 is used for 6300ZC18B marine diesel, is tested:
Wherein,
Coolant liquid uses fresh water;
Oil emulsion is by 35% water, 64% 0# diesel oil, 0.8% emulsifier(Emulsifier by 0.45% Span80 what 0.35% Twwen80 is compounded)And 0.2% oleic acid emulsifies.
It is tested by marine diesel bench test specification, flue gas is surveyed, each operating condition solid particle of diesel engine Averagely reduce by 99% or more, dissolved organic matter(SOF)Averagely reduce by 99% or more, NOx95% or more is averagely reduced, oxysulfide Averagely reduce by 95% or more, CO2Averagely reduce by 89% or more.
Embodiment 2
The fuel tank being connected with emulsification tank 23 and water tank dependency structure are omitted, emulsification tank directly is added in the oil emulsion prepared, Remaining same embodiment 1, as shown in Figure 5.

Claims (10)

1. a kind of device for carrying out flue gas ash removal using oil emulsion, it is characterised in that:Including scrubbing tower, flue gas cooling body and cream Carburetion dedusting mechanism;The scrubbing tower lower part is equipped with smoke inlet, and top is equipped with exhanst gas outlet;The flue gas cooling body includes The coolant liquid spray equipment being set in the scrubbing tower;The oil emulsion dedusting mechanism includes being arranged inside the scrubbing tower Oil emulsion spray equipment;The oil emulsion spray equipment is set to the top of coolant liquid spray equipment, the oil emulsion spray Smoke temperature measurement device is equipped between device and coolant liquid spray equipment;The oil emulsion spray equipment is connected to by pipeline Emulsification tank, the pipeline between the emulsification tank and oil emulsion spray equipment are equipped with oil transfer pump and solenoid valve;The oil emulsion spray Oil emulsion reclamation set is additionally provided between shower device and emulsification tank.
2. the device of flue gas ash removal is carried out using oil emulsion as described in claim 1, it is characterised in that:The oil emulsion reuse dress It sets the baffle device including being set between oil emulsion spray equipment and coolant liquid spray equipment and is located at the baffle device Pipeline between emulsification tank;The baffle device is made of flow-stopping plate and hollow taper type support;The flow-stopping plate is equipped with Several stomatas are equipped on each stomata for preventing oil emulsion liquid from keeping off liquid cover by the taper that stomata flows down;The gear liquid Cover lower part covers stomata, and there are gas outlets on top;Inner wall of tower is seamless connects with washing for the bottom of the hollow taper type support;Institute State between flow-stopping plate and scrubbing tower that there are gaps.
3. the device of flue gas ash removal is carried out using oil emulsion as claimed in claim 1 or 2, it is characterised in that:The emulsification tank with Filter and flowmeter are additionally provided on pipeline between oil emulsion spray equipment.
4. the device of flue gas ash removal is carried out using oil emulsion as claimed in claim 2, it is characterised in that:The flow-stopping plate and emulsification Pipeline between case is equipped with oil emulsion detection device and scavenge oil pump.
5. the device of flue gas ash removal is carried out using oil emulsion as described in claim 1, it is characterised in that:The oil emulsion spray dress It sets and is equipped with demister between exhanst gas outlet.
6. the device of flue gas ash removal is carried out using oil emulsion as described in claim 1, it is characterised in that:The emulsification tank leads to respectively Cross pipeline connection fuel tank and water tank;Pipeline between the emulsification tank and fuel tank is equipped with solenoid valve;The emulsification tank and water tank Between pipeline on also be provided with solenoid valve;The emulsification tank is equipped with rabbling mechanism and plus agent mouth.
7. the device of flue gas ash removal is carried out using oil emulsion as claimed in claim 1 or 6, it is characterised in that:In the emulsification tank Equipped with upper liquid level sensor and lower liquid level sensor.
8. the device of flue gas ash removal is carried out using oil emulsion as claimed in claim 6, it is characterised in that:It is also set on the emulsification tank There are emulsification oil processing outlet and wastewater outlet;The emulsification oil processing outlet is connected to fuel tank by pipeline;The fuel tank and cream Pipeline between carburetion processing outlet is equipped with centrifugal oil separator;The wastewater outlet is connected to waste water treatment system by pipeline.
9. using the method being dusted described in claim 1 using the device that oil emulsion carries out flue gas ash removal, it is characterised in that: Flue gas to be processed enters scrubbing tower by the smoke inlet, and flue gas passes through after coolant liquid spray equipment is cooled to 60 DEG C or less Oil emulsion spray equipment, after flue gas carbon soot particles and dissolved organic matter are dissolved in absorption using oil emulsion adhesiveness, through cigarette Gas outlet discharge.
10. the method being dusted as claimed in claim 9 using the device that oil emulsion carries out flue gas ash removal, it is characterised in that: The oil emulsion is formed by fuel oil, water, cosolvent and emulsifier, and wherein the mass fraction of water is 5% ~ 45%, emulsifier Mass fraction is 0.4 ~ 2%;The mass fraction of cosolvent is 0.1 ~ 2%;The fuel oil is diesel oil, gasoline or heavy oil;The emulsification Agent is compounded by nonionic surface active agent and/or anionic surfactant;The cosolvent is oleic acid or fragrance Hydrocarbon.
CN201810966142.1A 2018-08-23 2018-08-23 A kind of device and method carrying out flue gas ash removal using oil emulsion Pending CN108854457A (en)

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CN201810966142.1A CN108854457A (en) 2018-08-23 2018-08-23 A kind of device and method carrying out flue gas ash removal using oil emulsion

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Application Number Priority Date Filing Date Title
CN201810966142.1A CN108854457A (en) 2018-08-23 2018-08-23 A kind of device and method carrying out flue gas ash removal using oil emulsion

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN111530205A (en) * 2020-05-08 2020-08-14 黄龙标 Adsorption purification device for industrial oily waste gas treatment
CN112387036A (en) * 2020-11-04 2021-02-23 惠州市晟利科技有限公司 Efficient spraying waste gas treatment method and device
CN113353227A (en) * 2021-06-30 2021-09-07 广船国际有限公司 Oil-water mixed ship power system capable of meeting ship nitrogen oxide emission III and ship

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CN113353227A (en) * 2021-06-30 2021-09-07 广船国际有限公司 Oil-water mixed ship power system capable of meeting ship nitrogen oxide emission III and ship

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