CN108525507A - A kind of sulphur removal removes nitre integration filter pipe - Google Patents

A kind of sulphur removal removes nitre integration filter pipe Download PDF

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Publication number
CN108525507A
CN108525507A CN201810358670.9A CN201810358670A CN108525507A CN 108525507 A CN108525507 A CN 108525507A CN 201810358670 A CN201810358670 A CN 201810358670A CN 108525507 A CN108525507 A CN 108525507A
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CN
China
Prior art keywords
pipe
sic
inner lining
metal inner
composite material
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
CN201810358670.9A
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Chinese (zh)
Inventor
潘影
其他发明人请求不公开姓名
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.)
Suzhou Superlong Aviation Heat Resistance Material Technology Co Ltd
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Suzhou Superlong Aviation Heat Resistance Material Technology 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.)
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Application filed by Suzhou Superlong Aviation Heat Resistance Material Technology Co Ltd filed Critical Suzhou Superlong Aviation Heat Resistance Material Technology Co Ltd
Priority to CN201810358670.9A priority Critical patent/CN108525507A/en
Publication of CN108525507A publication Critical patent/CN108525507A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B01D53/46Removing components of defined structure
    • B01D53/60Simultaneously removing sulfur oxides and nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055Carbonaceous material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • 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
    • B01D53/81Solid phase processes
    • B01D53/82Solid phase processes with stationary reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/206Ammonium compounds
    • B01D2251/2067Urea
    • 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
    • B01D2251/30Alkali metal compounds
    • B01D2251/306Alkali metal compounds of potassium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/40Alkaline earth metal or magnesium compounds
    • B01D2251/404Alkaline earth metal or magnesium compounds of calcium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • B01D2251/602Oxides
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Filtering Materials (AREA)

Abstract

The invention discloses a kind of sulphur removal to remove nitre integration filter pipe, including SiC f / SiC ceramic matrix composite material screen pipe and metal inner lining pipe, metal filtration pipe are coaxially distributed in inside screen pipe, SiC f / SiC ceramic matrix composite material filters pipe flange and metal inner lining pipe flange fits closely, SiC f / SiC ceramic matrix composite material is divided into 3 ~ 5mm between filtering between inside pipe wall and metal inner lining pipe outer wall;SiC f It is 30% ~ 40% to have netted SiC nanowire structure, porosity inside/SiC ceramic matrix composite material screen pipe, and average pore size is 40 ~ 70 μm;Metal inner lining tube wall is equally spaced a large amount of circular through holes, and pipe neutral and alkali oxide is stacked in internal lining pipe at random with urea, and there are a large amount of gaps for inside.Beneficial effects of the present invention:1. solid particle in flue gas can be filtered simultaneously, the pernicious gases such as sulphur nitre;2. cost-effective;3. filter efficiency is high.

Description

A kind of sulphur removal removes nitre integration filter pipe
Technical field
The present invention relates to filtering high-temperature flue gas fields, and nitre integration filter pipe is removed more particularly to a kind of sulphur removal.
Background technology
As people are more and more to the cognition of environmental protection, environmental consciousness is continuously increased, and numerous production enterprises are mostly certainly It increases corresponding pollution abatement equipment with feeling, greatly reduces the discontent and indignation for living in resident near factory, complaint event is also got over Come fewer, improves the happiness of resident.
However, due to the expansion of enterprises' production capacity, discharge amount of exhaust gas also accordingly increases, original tail gas treatment device Just seem awkward, adds the very different of environmental protection company, the equipment of production inherently there are problems that, cause to look forward to The waste gas treatment equipment of discharging standards or even numerous enterprises is not achieved into ornaments in the discharge of industry exhaust gas.So as to cause factory Surrounding resident is harassed again or even some residents have suffered from serious respiratory tract due to being chronically in this air Disease.
Application No. is 201310669334.3 patents of invention to disclose a kind of high-effective dust-removing desulfurizing filter, using tower Formula filters, feature;Flue dust is mixed with water, and dust sinks under water, and the flue dust water surface of emerging is mixed with water mist, by cyclone cluster from chimney Discharge, high-effective dust-removing desulfurizing filter connect equipped with waterfog head with aqueduct, and aqueduct is connected with water circulating pump.This The device fabrication period is short, low cost, dust-removal and desulfurizing carbon dioxide packing and have hold synchronic gas administer complete, environmentally friendly operating cost is low, Bag-type dust operating cost is compared, and can be saved 50% or more energy consumption, water and dust separation, be recycled transport processing well, do not generate two Secondary pollution.
Application No. is 201210037629.4 patents of invention to disclose a kind of filter special for desulfuration, it is characterized in that it is wrapped Include cartridge filter(1), cartridge filter(1)Top connects water inlet(2), its underpart is equipped with sewage draining exit(3), cartridge filter(1)Lean on top Side wall is equipped with water outlet(4), in filtration cartridge(1)It is internally provided with and the water inlet(2)Connected inner cylinder(5).Knot of the present invention Structure is simple, easy to use, and cleaning is easy.Acid-alkali-corrosive-resisting, it is convenient for disassembly and assembly, inner cylinder can be extracted out and be cleaned.Water inlet is tangential Into solution is more preferable through rotating filter scavenging effect, and avoids directly impacting grid, increases service life, and blowdown is convenient, only needs It opens lower valve and achieves that blowdown backwash.
Application No. is 201510021603.4 patents of invention to disclose a kind of desulfurating dust-removing equipment with filter, including Tank body(1), the tank body(1)It is divided into the main part on top and the sediment pyramidal portion of lower part(6), the main part on the top is Section is the four-prism shape of square, the sediment pyramidal portion of lower part(6)It is the truncated rectangular pyramids shape shape of square for section, The top of the main part on the top is exhanst gas outlet(2), the sediment pyramidal portion of the lower part(6)Bottom end go out for sediment Mouthful, sediment exit is provided with outlet valve(7);The boundary of the main part and sediment pyramidal portion is provided with circulation alkali liquor Outlet(4), lye input spray tube is provided at the position on the close top of the main part(3), in the main part Middle part upper position at be provided with smoke inlet pipelines(5), the tank body(1)In in the sediment pyramidal portion(6)It is upper Side is provided with operable spray baffling device(9).
Currently, most of dust-removing sulphur removing function nitre filter plant is complex, manufacturing cost is high, for lacking for the prior art It falls into, it is accordingly required in particular to which one kind can be carried out at the same time dedusting, the filtering high-temperature flue gas device of the pernicious gases such as sulphur removal nitre.
Invention content
The present invention is intended to provide a kind of sulphur removal removes nitre integration filter pipe.
To achieve the purpose of the present invention, used technical solution is:A kind of sulphur removal removes nitre integration filter pipe, including SiC f / SiC ceramic matrix composite material screen pipe and metal inner lining pipe, metal filtration pipe are coaxially distributed in inside screen pipe, SiC f / SiC is compound Filtration of material pipe flange and metal inner lining pipe flange fit closely, SiC f / SiC ceramic matrix composite material filters inside pipe wall and metal inner lining pipe 3 ~ 5mm is divided between outer wall.
The SiC f There is netted SiC nanowire structure inside/SiC ceramic matrix composite material screen pipe, porosity is 30% ~ 40%, average pore size is 40 ~ 70 μm.
The metal inner lining tubing matter is high temperature resistant, acid-alkali-corrosive-resisting metal or alloy, and thickness is 3 ~ 5mm, internal lining pipe Tube wall is equally spaced a large amount of circular through holes, and pitch of holes is 3 ~ 5mm, a diameter of 3 ~ 5mm.
The metal inner lining pipe neutral and alkali oxide is stacked in internal lining pipe at random with urea, between inside exists largely Gap, the basic anhydride are blocky or lamellar with urea shape, and the basic anhydride are calcium oxide, sodium oxide molybdena or oxidation Potassium.
Beneficial effects of the present invention:1. solid particle in flue gas can be filtered simultaneously, the pernicious gases such as sulphur nitre;2. save at This;3. filter efficiency is high.
Description of the drawings
Fig. 1 is that a kind of sulphur removal removes nitre integration filter pipe, wherein 10 be SiC f / SiC ceramic matrix composite material screen pipe, 20 be metal Internal lining pipe, 30 be basic anhydride and urea.
Specific implementation mode
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention Rather than limit the scope of the invention, after having read the present invention, various equivalences of the those skilled in the art to the present invention It is as defined in the appended claims that the modification of form falls within the application.
Embodiment 1
A kind of sulphur removal removes nitre integration filter pipe, including SiC f / SiC ceramic matrix composite material screen pipe and metal inner lining pipe, metal filtration Pipe is coaxially distributed in inside screen pipe, SiC f / SiC ceramic matrix composite material filters pipe flange and metal inner lining pipe flange fits closely, SiC f / SiC ceramic matrix composite material is divided into 3mm between filtering between inside pipe wall and metal inner lining pipe outer wall.
The SiC f There is netted SiC nanowire structure, porosity 30%% to put down inside/SiC ceramic matrix composite material screen pipe Equal aperture is 40 μm.
The metal inner lining tubing matter is high temperature resistant, acid-alkali-corrosive-resisting metal or alloy, thickness 3mm, internal lining pipe pipe Wall is equally spaced a large amount of circular through holes, pitch of holes 3mm, a diameter of 5mm.
The metal inner lining pipe neutral and alkali oxide is stacked in internal lining pipe at random with urea, between inside exists largely Gap, the basic anhydride are bulk with urea shape, and the basic anhydride are calcium oxide.
Beneficial effects of the present invention:1. solid particle in flue gas can be filtered simultaneously, the pernicious gases such as sulphur nitre;2. save at This;3. filter efficiency is high.
Embodiment 2
A kind of sulphur removal removes nitre integration filter pipe, including SiC f / SiC ceramic matrix composite material screen pipe and metal inner lining pipe, metal filtration Pipe is coaxially distributed in inside screen pipe, SiC f / SiC ceramic matrix composite material filters pipe flange and metal inner lining pipe flange fits closely, SiC f / SiC ceramic matrix composite material is divided into 5mm between filtering between inside pipe wall and metal inner lining pipe outer wall.
The SiC f There is netted SiC nanowire structure, porosity 40% to put down inside/SiC ceramic matrix composite material screen pipe Equal aperture is 70 μm.
The metal inner lining tubing matter is high temperature resistant, acid-alkali-corrosive-resisting metal or alloy, thickness 5mm, internal lining pipe pipe Wall is equally spaced a large amount of circular through holes, pitch of holes 5mm, a diameter of 5mm.
The metal inner lining pipe neutral and alkali oxide is stacked in internal lining pipe at random with urea, between inside exists largely Gap, the basic anhydride are lamellar with urea shape, and the basic anhydride are potassium oxide.
Beneficial effects of the present invention:1. solid particle in flue gas can be filtered simultaneously, the pernicious gases such as sulphur nitre;2. save at This;3. filter efficiency is high.
Two specific implementation modes of the present invention are above are only, but the design concept of the present invention is not limited thereto, all profits The change for carrying out unsubstantiality to the present invention with this design, should all belong to the behavior for invading the scope of protection of the invention.In every case it is Without departing from the content of technical solution of the present invention, according to the technical essence of the invention to any type of letter made by above example Single modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.

Claims (4)

1. a kind of sulphur removal removes nitre integration filter pipe, including SiC f / SiC ceramic matrix composite material screen pipe and metal inner lining pipe, metal filtration Pipe is coaxially distributed in inside screen pipe, SiC f / SiC ceramic matrix composite material filters pipe flange and metal inner lining pipe flange fits closely, SiC f / SiC ceramic matrix composite material is divided into 3 ~ 5mm between filtering between inside pipe wall and metal inner lining pipe outer wall.
2. a kind of sulphur removal removes nitre integration filter pipe according to claim 1, which is characterized in that the SiC f / SiC is compound It is 30% ~ 40% to have netted SiC nanowire structure, porosity inside filtration of material pipe, and average pore size is 40 ~ 70 μm.
3. a kind of sulphur removal removes nitre integration filter pipe according to claim 1, which is characterized in that the metal inner lining tubing Matter is high temperature resistant, acid-alkali-corrosive-resisting metal or alloy, and thickness is 3 ~ 5mm, and liner tube wall is equally spaced a large amount of circular through holes, hole Spacing is 3 ~ 5mm, a diameter of 3 ~ 5mm.
4. a kind of sulphur removal removes nitre integration filter pipe according to claim 1, which is characterized in that in the metal inner lining pipe Basic anhydride are stacked in internal lining pipe at random with urea, and there are a large amount of gaps, the basic anhydride and urea shapes for inside For blocky or lamellar, the basic anhydride are calcium oxide, sodium oxide molybdena or potassium oxide.
CN201810358670.9A 2018-04-20 2018-04-20 A kind of sulphur removal removes nitre integration filter pipe Pending CN108525507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810358670.9A CN108525507A (en) 2018-04-20 2018-04-20 A kind of sulphur removal removes nitre integration filter pipe

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Application Number Priority Date Filing Date Title
CN201810358670.9A CN108525507A (en) 2018-04-20 2018-04-20 A kind of sulphur removal removes nitre integration filter pipe

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110180376A (en) * 2019-06-17 2019-08-30 山东山大华特环保工程有限公司 Annular bin dry type fixed bed desulfuring and denitrifying apparatus and flue gas desulfurization and denitration method

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Publication number Priority date Publication date Assignee Title
DE1507846B2 (en) * 1965-03-15 1977-06-08 FILTER FOR CLEANING HOT, DUST-CONTAINING GASES
CN2357812Y (en) * 1998-02-12 2000-01-12 黎英豪 High temp. dry method desulfurizing dust remover
CN101007237A (en) * 2006-01-26 2007-08-01 高化环保技术有限公司 Cleaning apparatus of exhaust gas produced from semiconductor production process and method thereof
CN103111132A (en) * 2013-02-25 2013-05-22 中国石油大学(北京) Filtering tube applied to high-temperature gas filtration, and manufacturing device and method of filtering tube
CN106732641A (en) * 2016-11-14 2017-05-31 江苏省陶瓷研究所有限公司 A kind of new ceramic-film tube with catalysis and preparation method thereof
CN107174883A (en) * 2017-07-24 2017-09-19 苏州宏久航空防热材料科技有限公司 One kind has top layer net distribution silicon carbide nanometer line filtration
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CN107540400A (en) * 2017-09-26 2018-01-05 苏州宏久航空防热材料科技有限公司 A kind of SiC with compound interfacef/ SiC ceramic based composites
CN107701265A (en) * 2017-10-03 2018-02-16 佛山智北汇科技有限公司 One kind is based on the spiral multisection type automobile tail gas filtering device of membrane technology

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CN2357812Y (en) * 1998-02-12 2000-01-12 黎英豪 High temp. dry method desulfurizing dust remover
CN101007237A (en) * 2006-01-26 2007-08-01 高化环保技术有限公司 Cleaning apparatus of exhaust gas produced from semiconductor production process and method thereof
CN103111132A (en) * 2013-02-25 2013-05-22 中国石油大学(北京) Filtering tube applied to high-temperature gas filtration, and manufacturing device and method of filtering tube
CN106732641A (en) * 2016-11-14 2017-05-31 江苏省陶瓷研究所有限公司 A kind of new ceramic-film tube with catalysis and preparation method thereof
CN107174883A (en) * 2017-07-24 2017-09-19 苏州宏久航空防热材料科技有限公司 One kind has top layer net distribution silicon carbide nanometer line filtration
CN107324828A (en) * 2017-07-24 2017-11-07 苏州宏久航空防热材料科技有限公司 A kind of SiCf/ SiC ceramic base combined filtration pipe and preparation method thereof
CN107540400A (en) * 2017-09-26 2018-01-05 苏州宏久航空防热材料科技有限公司 A kind of SiC with compound interfacef/ SiC ceramic based composites
CN107701265A (en) * 2017-10-03 2018-02-16 佛山智北汇科技有限公司 One kind is based on the spiral multisection type automobile tail gas filtering device of membrane technology

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110180376A (en) * 2019-06-17 2019-08-30 山东山大华特环保工程有限公司 Annular bin dry type fixed bed desulfuring and denitrifying apparatus and flue gas desulfurization and denitration method
CN110180376B (en) * 2019-06-17 2022-02-01 山东山大华特环保工程有限公司 Dry type fixed bed desulfurization and denitrification device with annular bin

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Application publication date: 20180914