CN102042057A - Tail gas purifying and filtering device for motor vehicle - Google Patents

Tail gas purifying and filtering device for motor vehicle Download PDF

Info

Publication number
CN102042057A
CN102042057A CN 201010586456 CN201010586456A CN102042057A CN 102042057 A CN102042057 A CN 102042057A CN 201010586456 CN201010586456 CN 201010586456 CN 201010586456 A CN201010586456 A CN 201010586456A CN 102042057 A CN102042057 A CN 102042057A
Authority
CN
China
Prior art keywords
filtering layer
clean
level
filtering
clean filtering
Prior art date
Application number
CN 201010586456
Other languages
Chinese (zh)
Other versions
CN102042057B (en
Inventor
虞跃平
Original Assignee
虞跃平
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 虞跃平 filed Critical 虞跃平
Priority to CN2010105864562A priority Critical patent/CN102042057B/en
Publication of CN102042057A publication Critical patent/CN102042057A/en
Application granted granted Critical
Publication of CN102042057B publication Critical patent/CN102042057B/en

Links

Abstract

The invention discloses a tail gas purifying and filtering device for a motor vehicle, which can be widely used for tail gas purifying and filtering treatment for various motor vehicles. The tail gas purifying and filtering device comprises a sealed shell which is provided with an air inlet and an air outlet, and is characterized in that a first-level purifying and filtering layer and a second-level purifying and filtering layer are arranged in the shell, the first purifying and filtering layer is arranged in front of the second purifying and filtering layer, polyfluortetraethylene yarn-weaved textile is used as a filtering material of the first-level purifying and filtering layer, mesh or non-woven fabric which is made of polyfluortetraethylene film laminated and affixed with a high-temperature resistance material is used as a filtering material of the second-level purifying and filtering layer, a recovery bin is arranged at the bottom of the shell and below the first-level purifying and filtering layer, and an overfilling prevention grid is arranged on the upper part inside the recovery bin. The tail gas purifying and filtering device for the motor vehicle is environmental friendly and has the advantages of low cost, and sound purifying effect.

Description

The clean filter device of a kind of motor-vehicle tail-gas

Technical field

The present invention relates to the clean filter device of a kind of motor-vehicle tail-gas, the exhaust gas purification filter that can be widely used in all kinds of Motor Vehicle is handled.

Background technique

Along with economic development, Motor Vehicle owning rates such as automobile improve year by year, Motor Vehicle quantity is more and more, vehicle exhaust becomes the main cause of pollution of atmosphere, improvement for vehicle exhaust has two kinds of approach basically, a kind of is the fuel oil composition or the employing novel energy of control internal combustion engine of motor vehicle, to reduce the composition that generates harmful gas.Another is a direct purification internal combustion engine of motor vehicle discharge tail gas, through after the filtration, purification again with exhaust emissions among atmosphere.Therefore the first method practical operation is got up cost than higher, and the Motor Vehicle in-house facility is had certain requirement, and it is bigger to popularize difficulty.Second method, equipment is relatively simple, and cost is lower, and the basic at present form that adopts is to add purification plant between internal combustion engine of motor vehicle and silencing apparatus, the general purifying media that adopts is active carbon, non-woven mat, chemical catalyst etc., but certain narrow limitation is all arranged separately.Contain hundreds of different compound in the motor-vehicle tail-gas, major pollutants have solid suspension particulate, carbon monoxide, carbon dioxide, hydrocarbon, oxynitrides, lead and oxygen sulfur compound etc., the composition that contains chemical corrosion in the vehicle exhaust, and temperature is than higher, the conventional purifying media that uses does not often have concurrently corrosion-resistant, high temperature resistant, and dustiness cleaning difficulty, and working life is not long, need frequent renewal, also increased cost simultaneously.

Chinese patent 200710069975, patent name is for disclosing a kind of cement plant that is used in " high-temperature flue gas and dust are handled the teflon of usefulness ", handle the teflon product of high-temperature flue gas in the industrial and mining enterprise such as chemical plant, though it has been mentioned teflon is used for the gas cleaning processing, but the tail gas waste gas of industrial and mining enterprise is not too identical with its composition of tail gas waste gas of Motor Vehicle, emission standards is also variant, key is the object that gas treatment equipment is set, the gas purging amount is different fully with stream pressure, and the product that therefore is used for industrial and mining enterprise's waste gas treatment can't directly simply overlap and be used in the motor-vehicle tail-gas processing.

Summary of the invention

Technical problem to be solved by this invention is to overcome deficiency of the prior art and provide a kind of clean environment firendly, user cost low, the clean filter device of motor-vehicle tail-gas that purifying effect is good.

The technological scheme that the present invention solves the problems of the technologies described above employing is: the clean filter device of this motor-vehicle tail-gas, the housing that comprises sealing, housing is provided with suction port and air outlet, it is characterized in that: be provided with clean filtering layer of one-level and the clean filtering layer of secondary in the housing, the clean filtering layer of one-level is arranged on before the clean filtering layer of secondary, the fabric that its filtering material of the clean filtering layer of described one-level forms for the braiding of teflon yarn, its filtering material of the clean filtering layer of secondary is that the polytetrafluoroethylene film lamination pastes grid cloth or the non-weaving cloth that exotic material is made again, housing bottom is provided with recovery bin, described recovery bin is positioned at the below of the clean filtering layer of one-level, and the recovery bin internal upper part is provided with the anti-overflow stratum reticulare.The clean filtering layer of one-level cushions and preliminary purification for the motor tail gas discharged among the present invention, can reduce stream pressure, and removes the dust than macroparticle, drop in the tail gas.The clean filtering layer of process secondary when air-flow is reduced to suitable air pressure is by the harmful matter in the polytetrafluoroethylene film removal tail gas.The recovery bin that the clean filtering layer of one-level bottom is provided with is used to reclaim by the clean filtering layer of one-level and filters the dust that gets off, drop etc., and be provided with the anti-overflow stratum reticulare on recovery bin top, the material that feasible filtration is got off can be fallen into recovery bin smoothly, but can not be back in the housing of clean filter device because of the impact of air-flow, make and effectively guaranteed the safe in utilization of clean filter device by the material only import but no export that filters out.

Also be provided with elementary clean filtering layer before the clean filtering layer of one-level of the present invention, the fabric that its filtering material forms for the braiding of teflon yarn in the elementary clean filtering layer.The below of elementary clean filtering layer and the clean filtering layer of one-level is respectively arranged with independently recovery bin, and each recovery bin internal upper part is provided with the anti-overflow stratum reticulare.Elementary clean filtering layer is used for tentatively filtering the harmful matter of motor-vehicle tail-gas, also can reduce the current rate of tail gas simultaneously, in order to avoid excessive current rate damages clean filtering layer of follow-up one-level and the clean filtering layer of secondary.The clean filtering layer of elementary clean filtering layer and one-level below is respectively arranged with independently recovery bin, make the refuse impurity that is recovered to separately can not interfere with each other influence, the unidirectional anti-overflow stratum reticulare of each recovery bin top setting has guaranteed effectively that also refuse impurity can not pour in down a chimney in motor simultaneously.

The exotic material that adopts in the clean filtering layer of secondary of the present invention is one or more mixing in glass fibre, steel fiber, the ceramic fiber.Because polytetrafluoroethylene film is extremely thin; the simple current rate of contending with motor exhaust of being difficult to polytetrafluoroethylene film; therefore must use some reinforcing materials with the protection polytetrafluoroethylene film; because motor-vehicle tail-gas has certain temperature; therefore these reinforcing materials need high temperature resistant; preferred one or more mixing of adopting in glass fibre, steel fiber, the ceramic fiber, remaining material with high temperature resistance and high strength characteristic also can adopt.

The filtering material of elementary clean filtering layer of the present invention, the clean filtering layer of one-level and the clean filtering layer of secondary is separately positioned on the packing ring, and the filtering material profile is circular, and diameter is more than or equal to the diameter of motor engine exhaust gas pipe.Described packing ring is polytetrafluoroethylene gasket, graphite gasket or teflon graphite gasket.Described clean filtering layer of elementary clean filtering layer, one-level and the clean filtering layer of secondary are spile type, and recovery bin is movable assembling ﹠ disassembling.The present invention requires sealing fully, considers simultaneously to reuse and reduces the user cost problem, elementary clean filtering layer, the clean filtering layer of one-level and the clean filtering layer of secondary all can be set to spile type.The filtering material of elementary clean filtering layer, the clean filtering layer of one-level and the clean filtering layer of secondary is separately positioned on the packing ring, packing ring adopts polytetrafluoroethylene gasket, graphite gasket or teflon graphite gasket, the effective like this sealing problem that solved also makes elementary clean filtering layer, the clean filtering layer of one-level and the clean filtering layer of secondary be convenient for changing simultaneously.Its diameter of every layer filtering material has guaranteed effective purification of all tail gas more than or equal to the diameter of motor engine exhaust gas pipe.

It filters the clean filtering layer of secondary of the present invention and is provided with the multilayer polytetrafluoroethylarticles film in its material.According to the emission standards difference multilayer polytetrafluoroethylarticles film can be set, thereby further strengthen clean filter effect.

The density of the teflon fabric that its filtering material adopts in the elementary clean filtering layer of the present invention is less than the density of the teflon fabric of its filtering material employing in the clean filtering layer of one-level.The fabric that the teflon yarn that adopts in the clean filtering layer of one-level is woven into, its stitch density specification designs according to different vehicles, and its effect is dust and the drop that intercepts than macroparticle, and removes contamination conveniently.Elementary clean filtering layer stitch density makes motor-vehicle tail-gas to purify layer by layer less than the clean filtering layer stitch density of one-level, both improved the working life that purifying effect also helps extension fixture.

Advantages such as the present invention compared with prior art has corrosion-resistant, and is high temperature resistant, and filter net efficiency height is removed contamination conveniently, and user cost is cheap, it is even that polytetrafluoroethylene film has (1) membrane pore structure, the porosity ratio height, resistance is little, and air flux is big, the filter efficiency height; (2) strong-hydrophobicity is easy to clean; (3) ageing-resistant, chemical stability is strong, and advantages such as serviceability temperature wide ranges according to the different usage requirements and the actual conditions of motor, are selected secondary purification or three grades of purifications, and are flexible.By multistage purification, can progressively reduce current rate, make soft originally easily broken polytetrafluoroethylene film can be good at being used for the purified treatment of motor-vehicle tail-gas.All simultaneously clean filtering layers can adopt spile type, are convenient for changing, and have reduced user cost.

Description of drawings

Fig. 1 is embodiment's 1 structural representation.

Fig. 2 is embodiment's 2 structural representations.

Fig. 3 is a gasket construction schematic representation of the present invention.

Embodiment

Embodiment 1

Referring to Fig. 1, the present invention includes the housing 1 of sealing, housing 1 is provided with suction port 11 and air outlet 12, and the size of interface is with regard to the size of outlet pipe and decide.Be provided with clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary in the housing 1, the clean filtering layer 2 of one-level is arranged on before the clean filtering layer 3 of secondary, clean filtering layer 1 its filtering material of described one-level forms for the braiding of teflon yarn, and density, the specification of this teflon yarn fabric are decided on different automobile types.Clean filtering layer 3 its filtering materials of secondary are that the polytetrafluoroethylene film lamination pastes grid cloth or the non-weaving cloth that glass fiber mat or other exotic material are made again.Optionally exotic material can be one or more mixing in glass fibre, steel fiber, the ceramic fiber.As preferred version, can be provided with the multilayer polytetrafluoroethylarticles film in the clean filtering layer 3 of secondary, housing 1 bottom is provided with recovery bin 4, and described recovery bin 4 is positioned at the clean filtering layer of one-level 2 belows, and recovery bin 4 flexibly connects and can load and unload with housing 1.The top of recovery bin 4 is provided with anti-overflow stratum reticulare 5, one-way flow between recovery bin 4 and the housing 1, the refuse that filters gained by the clean filtering layer 2 of one-level directly enters recovery bin 4, and the material in the recovery bin 4 does not return to pour in down a chimney and enters housing 1, can not hinder the work of the clean filtering layer 3 of secondary yet.

Referring to Fig. 3, the filtering material of clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary is separately positioned on the packing ring 6, and filtering material 8 profiles are circular, and diameter is more than or equal to the diameter of motor engine exhaust gas pipe.Packing ring 6 is polytetrafluoroethylene gasket, graphite gasket or teflon graphite gasket.Packing ring 6 has effectively guaranteed the sealing of clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary.

During use, the present invention is arranged between motor and the silencing apparatus, and suction port 11 is connected with the motor of Motor Vehicle, and air outlet 12 is connected with silencing apparatus.The motor air pressure of considering dissimilar Motor Vehicle varies in size, and the present invention also can be arranged on after the silencing apparatus, and promptly suction port 11 is connected with silencing apparatus, and air outlet 12 directly is connected with outlet pipe.

Owing to use for a long time, can reduce the clean filter effect of clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary, if recovery bin 4 spill-over meetings are poured in down a chimney into motor, consequence is serious, therefore in addition, the present invention must strictly monitor life time, can change by whole device, consider that user cost also can keep housing 1, clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary are designed to spile type, only change wherein clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary during replacing, empty recovery bin 4 simultaneously.

Embodiment 2

Referring to Fig. 2, the present invention includes the housing 1 of sealing, housing 1 is provided with suction port 11 and air outlet 12, and the size of interface is decided on the size of outlet pipe.Be provided with elementary clean filtering layer 7, the clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary in the housing 1, be followed successively by elementary clean filtering layer 7, the clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary from the direction of air inlet, clean filtering layer 1 its filtering material of described one-level forms for the braiding of teflon yarn, and density, the specification of this teflon fabric are decided on different automobile types.Clean filtering layer 3 its filtering materials of secondary are that the polytetrafluoroethylene film lamination pastes grid cloth, the non-weaving cloth that glass fiber mat or other exotic material are made again, and optionally exotic material can be one or more mixing in glass fibre, steel fiber, the ceramic fiber.As preferred version, can be provided with the multilayer polytetrafluoroethylarticles film in the clean filtering layer 3 of secondary.Also be provided with elementary clean worry layer 7 before the clean filtering layer of described one-level, the elementary clean fabric that layer 7 its filtering material form for the braiding of teflon yarn of considering, elementary clean density of considering layer 7 its teflon stitch density less than its teflon fabric in the clean filtering layer 2 of one-level.The below of elementary clean filtering layer 7 and the clean filtering layer 2 of one-level is respectively arranged with independently recovery bin 4, and each recovery bin 4 internal upper part is provided with anti-overflow stratum reticulare 5, and each recovery bin 4 flexibly connects with housing 1, can load and unload.One-way flow between each recovery bin 4 and the housing 1, filter the refuse of gained and refuse that the clean filtering layer 2 of one-level filters gained by elementary clean filtering layer 7 and directly enter separately recovery bin, material in each recovery bin 4 does not return to pour in down a chimney and enters housing 1, can not flow into other recovery bin yet.

Referring to Fig. 3, the filtering material of low elementary clean filtering layer 7, the clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary is separately positioned on the packing ring 6, and filtering material 8 profiles are circular, and diameter is more than or equal to the diameter of motor engine exhaust gas pipe.Packing ring 6 is polytetrafluoroethylene gasket, graphite gasket or teflon graphite gasket.Packing ring 6 has effectively guaranteed the sealing of clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary.

During use, the present invention is arranged between motor and the silencing apparatus, and suction port 11 is connected with the motor of Motor Vehicle, and air outlet 12 is connected with silencing apparatus.The motor air pressure of considering dissimilar Motor Vehicle varies in size, and the present invention also can be arranged on after the silencing apparatus, and promptly suction port 11 is connected with silencing apparatus, and air outlet 12 directly is connected with outlet pipe.

Owing to use for a long time, can reduce the clean filter effect of elementary clean filtering layer 7, the clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary, pour in down a chimney into motor as if recovery bin 4 spill-over meetings in addition, consequence is serious, therefore, the present invention must strictly monitor life time, can change by whole device, consider that user cost also can keep housing 1, elementary clean filtering layer 7, the clean filtering layer 2 of one-level and the clean filtering layer 3 of secondary are designed to spile type, only change wherein clean filtering layer 2 of elementary clean filtering layer 7, one-level and the clean filtering layer 3 of secondary during replacing, empty all recovery bins 4 simultaneously.

In addition, need to prove that the teflon fabric in the elementary clean filtering layer 7 described in the present invention, the clean filtering layer 2 of one-level also can be processed into strip with polytetrafluoroethylmaterial material except adopting conventional teflon yarn braiding, weave then.Felt, grid cloth and non-weaving cloth that the exotic material that adopts in the clean filtering layer 3 of secondary is made must have certain permeability, can not influence gas flow.

In the specific embodiment its zero, the shape of parts, institute's title of being named etc. can be different.Allly conceive equivalence or the simple change that described structure, feature and principle are done, be included in the protection domain of patent of the present invention according to patent of the present invention.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount the defined scope of these claims, all should belong to protection scope of the present invention.

Claims (9)

1. clean filter device of motor-vehicle tail-gas, the housing that comprises sealing, housing is provided with suction port and air outlet, it is characterized in that: be provided with clean filtering layer of one-level and the clean filtering layer of secondary in the housing, the clean filtering layer of one-level is arranged on before the clean filtering layer of secondary, the fabric that its filtering material of the clean filtering layer of described one-level forms for the braiding of teflon yarn, its filtering material of the clean filtering layer of secondary is that the polytetrafluoroethylene film lamination pastes grid cloth or the non-weaving cloth that exotic material is made again, housing bottom is provided with recovery bin, described recovery bin is positioned at the below of the clean filtering layer of one-level, and the recovery bin internal upper part is provided with the anti-overflow stratum reticulare.
2. the clean filter device of motor-vehicle tail-gas according to claim 1, it is characterized in that: also be provided with elementary clean filtering layer before the clean filtering layer of described one-level, the below of elementary clean filtering layer and the clean filtering layer of one-level is respectively arranged with independently recovery bin, and each recovery bin internal upper part is provided with the anti-overflow stratum reticulare.
3. the clean filter device of motor-vehicle tail-gas according to claim 1 is characterized in that: the exotic material that adopts in the clean filtering layer of described secondary is one or more mixing in glass fibre, steel fiber, the ceramic fiber.
4. the clean filter device of motor-vehicle tail-gas according to claim 2 is characterized in that: the fabric that its filtering material forms for the braiding of teflon yarn in the described elementary clean filtering layer.
5. the clean filter device of motor-vehicle tail-gas according to claim 1 and 2, it is characterized in that: the filtering material of described elementary clean filtering layer, the clean filtering layer of one-level and the clean filtering layer of secondary is separately positioned on the packing ring, the filtering material profile is circular, and diameter is more than or equal to the diameter of motor engine exhaust gas pipe.
6. the clean filter device of motor-vehicle tail-gas according to claim 5 is characterized in that: described packing ring is polytetrafluoroethylene gasket, graphite gasket or teflon graphite gasket.
7. according to claim 1, the clean filter device of 2 or 3 described motor-vehicle tail-gas, it is characterized in that: be provided with the multilayer polytetrafluoroethylarticles film in its filtering material of the clean filtering layer of described secondary.
8. according to claim 2 or the clean filter device of 4 described motor-vehicle tail-gas, it is characterized in that: the density of the teflon fabric that its filtering material adopts in the described elementary clean filtering layer is less than the density of the teflon fabric of its filtering material employing in the clean filtering layer of one-level.
9. the clean filter device of motor-vehicle tail-gas according to claim 1 and 2 is characterized in that: the described clean filtering layer of elementary clean filtering layer, one-level and the clean filtering layer of secondary are spile type, and recovery bin is movable assembling ﹠ disassembling.
CN2010105864562A 2010-12-14 2010-12-14 Tail gas purifying and filtering device for motor vehicle CN102042057B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105864562A CN102042057B (en) 2010-12-14 2010-12-14 Tail gas purifying and filtering device for motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105864562A CN102042057B (en) 2010-12-14 2010-12-14 Tail gas purifying and filtering device for motor vehicle

Publications (2)

Publication Number Publication Date
CN102042057A true CN102042057A (en) 2011-05-04
CN102042057B CN102042057B (en) 2012-07-25

Family

ID=43908550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010105864562A CN102042057B (en) 2010-12-14 2010-12-14 Tail gas purifying and filtering device for motor vehicle

Country Status (1)

Country Link
CN (1) CN102042057B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102410066A (en) * 2011-09-28 2012-04-11 虞跃平 Multi-stage purifying and filtering device for motor vehicle tail gas
CN103861482A (en) * 2014-03-25 2014-06-18 湖州森诺氟材料科技有限公司 Polytetrafluoroethylene air-cleaning filtering membrane

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108019252A (en) * 2017-11-23 2018-05-11 郑州源冉生物技术有限公司 Environmental protection type electric generator flue gas ash removal noise reduction device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2370163Y (en) * 1999-04-28 2000-03-22 高建华 Purifier for tail gas of motor vehicle
US6773491B1 (en) * 1999-10-29 2004-08-10 Daimlerchrysler Ag Activated carbon filter
CN201558642U (en) * 2009-09-07 2010-08-25 江阴市人和环保设备有限公司 Air filter element
CN201896649U (en) * 2010-12-14 2011-07-13 虞跃平 Device for purifying and filtering tail gas of automotive vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2370163Y (en) * 1999-04-28 2000-03-22 高建华 Purifier for tail gas of motor vehicle
US6773491B1 (en) * 1999-10-29 2004-08-10 Daimlerchrysler Ag Activated carbon filter
CN201558642U (en) * 2009-09-07 2010-08-25 江阴市人和环保设备有限公司 Air filter element
CN201896649U (en) * 2010-12-14 2011-07-13 虞跃平 Device for purifying and filtering tail gas of automotive vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102410066A (en) * 2011-09-28 2012-04-11 虞跃平 Multi-stage purifying and filtering device for motor vehicle tail gas
CN103861482A (en) * 2014-03-25 2014-06-18 湖州森诺氟材料科技有限公司 Polytetrafluoroethylene air-cleaning filtering membrane

Also Published As

Publication number Publication date
CN102042057B (en) 2012-07-25

Similar Documents

Publication Publication Date Title
Heidenreich Hot gas filtration–A review
CN100445520C (en) Particulate matter reducing apparatus
CA2046724C (en) Filter or catalyst body
KR20080034771A (en) Particulate matter detection sensor for exhaust gas purifying apparatus
CN102124202B (en) Particle trap for an exhaust gas recirculation line
US7655064B2 (en) Particulate matter-containing exhaust emission controlling filter, exhaust emission controlling method and device
CN202355978U (en) Cyclone-type management device for recovering organic gas generated by spraying paint
JP5419505B2 (en) Method for manufacturing honeycomb structure and method for manufacturing honeycomb catalyst body
CN86105474A (en) Be used for capturing and burning the method and apparatus of diesel exhaust particulate matter
JP2006239683A (en) System and method for filter maimntenance
CN1218422A (en) Regenrable catalyzed trap and apparatus, and method of using the same
EP2448651B1 (en) Process and system for separating finely aerosolized elemental mercury from gaseous streams
CN101518714B (en) Technological process for flue gas purification
CN103301743B (en) Flue gas integral dry waste removing system and flue gas waste removing and back washing method
US9587538B2 (en) Exhaust aftertreatment system with silica filter
CN1551856A (en) Water-clean cartridge, water-cleaner, and washing method of water-cleaner
CN201132084Y (en) Ultramarinepore ceramic film tube filter
CN102008857B (en) Filter element for filtering high-temperature dust and purifying gas as well as preparation method and application thereof
CN104492189B (en) Integrated dust removal-denitration treatment method for industrial furnace gas and special device for integrated treatment method
CN100574850C (en) The triple-purpose filter element of energy-conserving and environment-protective
RU152861U1 (en) Catalyst carrier
CN205199236U (en) Assembled air filter that strains at beginning of two of module
CN203425664U (en) Novel purifier
CN201558623U (en) Combined type filtering device
WO2008036431A2 (en) Method and apparatus for filtration of a two-stroke engine exhaust

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20130426

Address after: Hangzhou City, Zhejiang Province, 310051 Binjiang District West Road No. 99 Court Street Letter No. 2 building 308 room

Patentee after: Zhejiang Yaoyun Technology Co., Ltd.

Address before: 24, Hangzhou, Zhejiang, Jianggan District province 238 Road, 310016 business building, hop Lin Plaza

Patentee before: Yu Yueping

ASS Succession or assignment of patent right

Owner name: ZHEJIANG YAOYUN TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: YU YUEPING

Effective date: 20130426

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 310016 HANGZHOU, ZHEJIANG PROVINCE TO: 310051 HANGZHOU, ZHEJIANG PROVINCE