CN109224860A - A kind of flue gas processing device for ship - Google Patents

A kind of flue gas processing device for ship Download PDF

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Publication number
CN109224860A
CN109224860A CN201811221577.XA CN201811221577A CN109224860A CN 109224860 A CN109224860 A CN 109224860A CN 201811221577 A CN201811221577 A CN 201811221577A CN 109224860 A CN109224860 A CN 109224860A
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CN
China
Prior art keywords
exhaust
smoke chamber
gas treatment
web plate
flue gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811221577.XA
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Chinese (zh)
Inventor
吴泰峰
胡冬梅
赵立国
徐野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengxi Shipyard Co Ltd
Original Assignee
Chengxi Shipyard Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengxi Shipyard Co Ltd filed Critical Chengxi Shipyard Co Ltd
Priority to CN201811221577.XA priority Critical patent/CN109224860A/en
Publication of CN109224860A publication Critical patent/CN109224860A/en
Pending legal-status Critical Current

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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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9431Processes characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/01Engine exhaust gases
    • B01D2258/012Diesel engines and lean burn gasoline engines

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The invention discloses a kind of flue gas processing devices for ship, the flue gas processing device is arranged on flue gas exhaust access, it is characterised in that it includes exhaust-gas treatment smoke chamber shell, the air inlet positioned at exhaust-gas treatment smoke chamber lower part of the housing, the air outlet positioned at exhaust-gas treatment smoke chamber upper part of the housing and the blower that exhaust-gas treatment smoke chamber bottom is arranged in;Adsorption layer, photocatalysis web plate, ultraviolet lamp, detection device and the web plate that shuts off are equipped with inside the exhaust-gas treatment smoke chamber;The adsorption layer is one or more of natural zeolite, active carbon, silica gel absorber composition;Photochemical catalyst is coated on the photocatalysis web plate.The present invention provides a kind of flue gas processing device for being suitable for ships, which occupies little space, and project cost is low, safe and efficient.

Description

A kind of flue gas processing device for ship
Technical field
The present invention relates to waste gas purification apparatus technical fields, and in particular to a kind of flue gas processing device for ship.
Background technique
In boat diesel engine flue gas contain a large amount of atmosphere pollutions, wherein account for it is most of for particulate matter, sulfur dioxide, Nitrogen oxides and carbon monoxide etc..Oxysulfide, the nitrogen oxides of excess emitters cause China large area acid rain and haze occur, Heavy corrosion building, destroys ecological environment, and the greenhouse effects thus caused and depletion of the ozone layer are even more to threaten human survival.
SCR technology is used for the fume treatment of ship at present, but existing SCR technology cannot fit entirely on ship With general SCR system is huge, occupies excessive space, will increase ship load.Therefore needing to provide one kind is suitable for ship Flue gas processing device.
Photocatalysis is to utilize H20 and 02Active superoxide radical is generated in photocatalyst surface, hydroxy and ozone etc., Strong oxidizing property can be easy to the S0 in flue gas2Water-soluble high S0 is oxidized to NO3And N02, and then inhaled by alkaline seawater It receives, is discharged into sea, realize sulphur nitrogen oxides in the element circular of nature.Ti02It is the most potential environmental protection in environment pollution treatment field Type catalysis material.But due to Ti02Forbidden bandwidth is only 3.2eV, causes its spectral absorption range relatively narrow.For this purpose, to improve light Catalytic efficiency, it is necessary to be doped modification to it, while be anti-seawater corrosion, carrier of photocatalyst is also needed using corrosion-resistant material Material.
Summary of the invention
It is an object of the present invention to overcome defect existing in the prior art, provide at a kind of flue gas for being suitable for ships Device is managed, which occupies little space, and project cost is low, safe and efficient.
To achieve the above object, described the technical scheme is to design a kind of flue gas processing device for ship Flue gas processing device be arranged on flue gas exhaust access, including exhaust-gas treatment smoke chamber shell, be located at exhaust-gas treatment smoke chamber shell under The air inlet in portion, positioned at exhaust-gas treatment smoke chamber upper part of the housing air outlet and the blower of exhaust-gas treatment smoke chamber bottom is set; Adsorption layer, photocatalysis web plate, ultraviolet lamp, detection device and the web plate that shuts off are equipped with inside the exhaust-gas treatment smoke chamber;The absorption Layer is that one or more of natural zeolite, active carbon, silica gel absorber are constituted;Photocatalysis is coated on the photocatalysis web plate Agent.
Water jet, the water jet edge are equipped between the adsorption layer and photocatalysis web plate as a preferred technical solution, The setting of exhaust-gas treatment smoke chamber wall circular, the exhaust-gas treatment smoke chamber shell lower section are equipped with rhone.
It is followed between the detection device and the web plate that shuts off of the exhaust-gas treatment smoke chamber equipped with gas as a preferred technical solution, Ring outlet, the gas loop exit are connected to by pipeline with the air inlet of exhaust-gas treatment smoke chamber lower part;The detection device with Controller electrical connection, the controller are electrically connected with the web plate that shuts off, and the controller is arranged in exhaust-gas treatment smoke chamber inner surface.
The adsorption layer is modified activated carbon filter screen as a preferred technical solution, with downwardly convex curved surface, The activated charcoal strainer surface is living filled with mixed packings one or more of in charcoal-aero gel, activated carbon fibre, carbon nanotube Property charcoal filtering net surface be coated with titanium dioxide, the adsorption layer with a thickness of 10~20mm.
It is equipped with suction ventilator, the suction at the gas circulation of the exhaust-gas treatment smoke chamber at mouth as a preferred technical solution, Blower is electrically connected with the controller;The web plate that shuts off is equipped with sealing structure with exhaust-gas treatment smoke chamber junction.
Between the photocatalysis web plate and detection device or detection device and shut off web plate as a preferred technical solution, Between be equipped with gas-guide tube, several water conservancy diversion constituted along gas-guide tube setting direction are equipped with inside the gas-guide tube and are circled round air hoses, it is described Water conservancy diversion convolution air hose is made of the ceramic tube of surface coating titanium dioxide.
The side wall of the exhaust-gas treatment smoke chamber shell is equipped with replacement adsorption layer, photocatalysis net as a preferred technical solution, The junction of the hatch door of plate, ultraviolet lamp and the web plate that shuts off, the hatch door and exhaust-gas treatment smoke chamber shell is equipped with sealing structure.
A kind of photochemical catalyst for ship fume treatment, the component comprising following mass percent: catalyst carrier 75 ~80%, nano-titanium dioxide 10~15%, carbonitride 5~10%, rare earth lanthanum 0.1~0.3%, graphene or carbon nanometer Pipe 0.1~0.2%.
Rare earth lanthanum is added in photochemical catalyst makes TiO2Structure cell expansion, distribution of charges change, are formed with conducive to photoproduction The internal electric field of carrier separation, the enhancing of photohole oxidability.Rare Earth Lanthanum makes TiO2Forbidden bandwidth increases to 2.299ev.
Catalyst carrier is three-dimensional honeycomb ceramics or ZSM-5 molecular sieve as a preferred technical solution,.
The advantages and beneficial effects of the present invention are: the present apparatus safely and efficiently carries out seawater denitration, nitrogen oxidation will be removed Object process and detection process combine, and avoid nitrogen oxides in effluent processing and are not exclusively just discharged into atmosphere and cause Environmental pollution.Present apparatus occupied area is small, and installation convenience, project cost is low, has broad application prospects.
Detailed description of the invention
Fig. 1 is flue gas processing device structural schematic diagram of the present invention;
In figure: 1, exhaust-gas treatment smoke chamber shell;2, air inlet;3, air outlet;4, blower;5, adsorption layer;6, photocatalysis net Plate;7, ultraviolet lamp;8, detection device;9, shut off web plate;10, water jet;11, gas loop exit;12, suction ventilator;13, it drains Slot;14, tornadotron is flowed back to.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
A kind of flue gas processing device for ship, the flue gas processing device are arranged on flue gas exhaust access, including Exhaust-gas treatment smoke chamber shell 1, positioned at exhaust-gas treatment smoke chamber lower part of the housing air inlet 2, be located at exhaust-gas treatment smoke chamber upper part of the housing Air outlet 3 and the blower 4 of exhaust-gas treatment smoke chamber bottom is set;Adsorption layer 5, light are equipped with inside the exhaust-gas treatment smoke chamber It is catalyzed web plate 6, ultraviolet lamp 7, detection device 8 and the web plate 9 that shuts off;The adsorption layer is natural zeolite, active carbon, silica gel absorber One or more of constitute;Photochemical catalyst is coated on the photocatalysis web plate.
Water jet 10 is equipped between the adsorption layer and photocatalysis web plate, the water jet is along exhaust-gas treatment smoke chamber wall circular Setting, the exhaust-gas treatment smoke chamber lower section are equipped with rhone 13.
Gas loop exit 11 is equipped between the detection device and the web plate that shuts off of the exhaust-gas treatment smoke chamber, the gas follows Ring outlet is connected to by pipeline with the air inlet of exhaust-gas treatment smoke chamber lower part;The detection device is electrically connected with the controller, described Controller is electrically connected with the web plate that shuts off, and the controller is arranged in exhaust-gas treatment smoke chamber inner surface.
The adsorption layer is modified activated carbon filter screen, with downwardly convex curved surface, the activated charcoal strainer surface Filled with mixed packings one or more of in charcoal-aero gel, activated carbon fibre, carbon nanotube, the coating of activated charcoal strainer surface Have titanium dioxide, the adsorption layer with a thickness of 10~20mm.
Suction ventilator 12 is equipped at the gas circulation of the exhaust-gas treatment smoke chamber at mouth, the suction ventilator is electrically connected with controller It connects;The web plate that shuts off is equipped with sealing structure with exhaust-gas treatment smoke chamber junction.
Gas-guide tube is equipped between the photocatalysis web plate and detection device or between detection device and the web plate that shuts off, it is described Several water conservancy diversion convolution air hoses 14 constituted along gas-guide tube setting direction are equipped with inside gas-guide tube, the water conservancy diversion convolution air hose is by surface The ceramic tube for being coated with titanium dioxide is constituted.
The side wall of the exhaust-gas treatment smoke chamber shell is equipped with replacement adsorption layer, photocatalysis web plate, ultraviolet lamp and the web plate that shuts off Hatch door, the junction of the hatch door and exhaust-gas treatment smoke chamber shell is equipped with sealing structure.
The exhaust-gas treatment smoke chamber housing sidewall be equipped with manhole, operator by manhole progress adsorption layer, photocatalysis web plate, The replacement and maintenance of ultraviolet lamp and the web plate that shuts off.
A kind of photochemical catalyst for ship fume treatment, the component comprising following mass percent: catalyst carrier 75 ~80%, nano-titanium dioxide 10~15%, carbonitride 5~10%, rare earth lanthanum 0.1~0.3%, graphene or carbon nanometer Pipe 0.1~0.2%.Catalyst carrier is three-dimensional honeycomb ceramics or ZSM-5 molecular sieve.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of flue gas processing device for ship, the flue gas processing device is arranged on flue gas exhaust access, feature Be, including exhaust-gas treatment smoke chamber shell, positioned at exhaust-gas treatment smoke chamber lower part of the housing air inlet, be located at exhaust-gas treatment smoke chamber shell The air outlet on body top and the blower that exhaust-gas treatment smoke chamber bottom is set;Absorption is equipped with inside the exhaust-gas treatment smoke chamber Layer, photocatalysis web plate, ultraviolet lamp, detection device and the web plate that shuts off;The adsorption layer is natural zeolite, active carbon, silica gel absorption One or more of agent is constituted;Photochemical catalyst is coated on the photocatalysis web plate.
2. a kind of flue gas processing device for ship according to claim 1, which is characterized in that the adsorption layer and light It is catalyzed between web plate and is equipped with water jet, the water jet is arranged along exhaust-gas treatment smoke chamber wall circular, under the exhaust-gas treatment smoke chamber Side is equipped with rhone.
3. a kind of flue gas processing device for ship according to claim 2, which is characterized in that the exhaust-gas treatment cigarette Gas loop exit is equipped between the detection device of chamber and the web plate that shuts off, the gas loop exit passes through pipeline and exhaust-gas treatment The air inlet of smoke chamber lower part is connected to;The detection device is electrically connected with the controller, and the controller is electrically connected with the web plate that shuts off, institute Controller is stated to be arranged in exhaust-gas treatment smoke chamber inner surface.
4. a kind of flue gas processing device for ship according to claim 3, which is characterized in that the adsorption layer is to change Property activated charcoal strainer, with downwardly convex curved surface, which is filled with charcoal-aero gel, active carbon fibre One or more of mixed packings, activated charcoal strainer surface are coated with titanium dioxide in dimension, carbon nanotube, the adsorption layer With a thickness of 10~20mm.
5. a kind of flue gas processing device for ship according to claim 4, which is characterized in that the exhaust-gas treatment cigarette Suction ventilator is equipped at the gas circulation of chamber at mouth, the suction ventilator is electrically connected with the controller;Web plate and the exhaust-gas treatment of shutting off Smoke chamber junction is equipped with sealing structure.
6. a kind of flue gas processing device for ship according to claim 5, which is characterized in that the photocatalysis web plate It is equipped with gas-guide tube between detection device or between detection device and the web plate that shuts off, is equipped with several edges inside the gas-guide tube and leads The water conservancy diversion convolution air hose that tracheae setting direction is constituted, the water conservancy diversion convolution air hose are coated with the ceramic tube structure of titanium dioxide by surface At.
7. according to right to go 6 described in a kind of flue gas processing device for ship, which is characterized in that the exhaust-gas treatment cigarette The side wall of cavity shell is equipped with the hatch door of replacement adsorption layer, photocatalysis web plate, ultraviolet lamp and the web plate that shuts off, at the hatch door and exhaust gas The junction for managing smoke chamber shell is equipped with sealing structure.
8. a kind of photochemical catalyst for ship fume treatment, which is characterized in that the component comprising following mass percent: catalysis Agent carrier 75~80%, nano-titanium dioxide 10~15%, carbonitride 5~10%, rare earth lanthanum 0.1~0.3%, graphene Or carbon nanotube 0.1~0.2%.
9. a kind of photochemical catalyst for ship fume treatment according to claim 7, which is characterized in that catalyst carrier For three-dimensional honeycomb ceramics or ZSM-5 molecular sieve.
CN201811221577.XA 2018-10-19 2018-10-19 A kind of flue gas processing device for ship Pending CN109224860A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109821404A (en) * 2019-02-27 2019-05-31 天津市可帮化工产品有限公司 A kind of industrial waste gas purifying equipment being conveniently replaceable filter layer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020189930A1 (en) * 1999-10-13 2002-12-19 Hiroshi Taoda Emission cleaning installation and cleaning method for emissions
CN101121040A (en) * 2007-07-25 2008-02-13 江苏高淳陶瓷股份有限公司 Photocatalysis air purifier
CN203916427U (en) * 2014-06-13 2014-11-05 厦门嘉达环保建造工程有限公司 Photocatalysis organic waste gas treatment system
CN206082107U (en) * 2016-09-20 2017-04-12 北京华钛高科科技有限公司 Industry organic waste gas purification device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020189930A1 (en) * 1999-10-13 2002-12-19 Hiroshi Taoda Emission cleaning installation and cleaning method for emissions
CN101121040A (en) * 2007-07-25 2008-02-13 江苏高淳陶瓷股份有限公司 Photocatalysis air purifier
CN203916427U (en) * 2014-06-13 2014-11-05 厦门嘉达环保建造工程有限公司 Photocatalysis organic waste gas treatment system
CN206082107U (en) * 2016-09-20 2017-04-12 北京华钛高科科技有限公司 Industry organic waste gas purification device

Non-Patent Citations (1)

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Title
吕慧: "二氧化钛基复合光催化剂的制备及其性能研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109821404A (en) * 2019-02-27 2019-05-31 天津市可帮化工产品有限公司 A kind of industrial waste gas purifying equipment being conveniently replaceable filter layer

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Application publication date: 20190118

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