CN106215575A - Automobile tail gas filtering device ceramic membrane filter material - Google Patents

Automobile tail gas filtering device ceramic membrane filter material Download PDF

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Publication number
CN106215575A
CN106215575A CN201610779693.8A CN201610779693A CN106215575A CN 106215575 A CN106215575 A CN 106215575A CN 201610779693 A CN201610779693 A CN 201610779693A CN 106215575 A CN106215575 A CN 106215575A
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CN
China
Prior art keywords
tail gas
ceramic membrane
filtering device
filter material
membrane filter
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
CN201610779693.8A
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Chinese (zh)
Inventor
刘华
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.)
Wuhu Evershine Automotive Component Co Ltd
Original Assignee
Wuhu Evershine Automotive Component 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 Wuhu Evershine Automotive Component Co Ltd filed Critical Wuhu Evershine Automotive Component Co Ltd
Priority to CN201610779693.8A priority Critical patent/CN106215575A/en
Publication of CN106215575A publication Critical patent/CN106215575A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0079—Manufacture of membranes comprising organic and inorganic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • B01D71/025—Aluminium oxide

Abstract

The invention discloses a kind of automobile tail gas filtering device ceramic membrane filter material, by Al2O3Porous ceramics and be coated in its surface gel film composition, Al2O3The hole density of porous ceramics is 500cpsi, and duct wall thickness is 3.5mil, and volume is 0.80L；Gel film by the N tert-butyl group 2 benzothiazole sulfenamide 20%, aluminum isopropylate. 15%, silester 15%, butyl titanate 15%, surfactant 10%, 2 methyl 2 acrylic acid 2 (2 oxo 1 imidazolinyl) ethyl ester 5%, Polyethylene Glycol 5%, common glycoside 5% and pure water 10% make.The filter efficiency of the ceramic membrane filter material of the present invention is high, and the deleterious particle in tail gas is carried out efficient absorption removal.At the same time it can also be avoid the appearance of film peeling phenomenon on ceramic matrix.

Description

Automobile tail gas filtering device ceramic membrane filter material
Technical field
The present invention relates to vehicle maintenance service technical field, particularly relate to a kind of automobile tail gas filtering device ceramic membrane mistake Filtering material.
Background technology
Along with improving constantly of people's living standard, automobile has become as the running vehicle that people go out, along with vapour Increasing of car quantity, the impact that environment is brought by the vehicle exhaust containing the dust and oxious component that pollute environment is more and more brighter Aobvious.The discharge reducing Automobile emission is a vital task of current environmental protection.
Existing automobile tail gas filtering device filters the mode of vehicle exhaust to be had multiple, but these automobile tail gas filtering devices Filter link together often through certain vehicle exhaust is filtered, the most just vehicle exhaust is discharged, remove in vehicle exhaust The effect of harmful substance limited, still cause the pollution of environment.Therefore, it is necessary to provide a kind of automobile tail gas filtering device, To solve the problems referred to above.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of automobile tail gas filtering device, vehicle exhaust can be carried out multiple tracks Filter and process, effectively remove the harmful substance in vehicle exhaust.Meanwhile, present invention also offers a kind of vehicle exhaust and filter dress Put with ceramic membrane filter material and preparation method thereof.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of automobile tail gas filtering device, the filter chamber including air inlet, connected with described air inlet, is connected with described filter chamber What logical U-shaped reaction tube was connected with described U-shaped reaction tube sprays chamber and the air vent being connected with described spray chamber；
Described filter chamber is sequentially provided with activated charcoal strainer, HEPA drainage screen and purpose ceramic-film filter along airintake direction；Described U It is provided with oxidizing solution in shaped reaction pipe；Side, described spray chamber is provided with urea box；Described urea box is by nozzle and described spray Pouring chamber is connected；It is provided with carbamide in described urea box.
The diameter of described air inlet is equal to the internal diameter of described air vent.
Described activated charcoal strainer, HEPA drainage screen and purpose ceramic-film filter detachably connect with the inwall of described filter chamber Connect.
Described oxidizing solution is sodium carbonate liquor or sodium hydroxide solution.
Automobile tail gas filtering device ceramic membrane filter material, by Al2O3Porous ceramics and be coated in the gel on its surface Thin film forms, Al2O3The hole density of porous ceramics is 500cpsi, and duct wall thickness is 3.5mil, and volume is 0.80L；Gel film Lived by the N-tert-butyl group-2 benzothiazole sulfenamide 20%, aluminum isopropylate. 15%, silester 15%, butyl titanate 15%, surface Property agent 10%, 2-methyl-2-acrylic acid-2-(2-oxo-1-imidazolinyl) ethyl ester 5%, Polyethylene Glycol 5%, common glycoside 5% and Pure water 10% is made.
The automobile tail gas filtering device preparation method of ceramic membrane filter material, step is as follows:
1., by aluminum isopropylate., surfactant, 2-methyl-2-acrylic acid-2-(2-oxo-1-imidazolinyl) ethyl ester, poly-second The common glycoside of glycol and ground adds in pure water, is heated to 60 DEG C while stirring, then keeps the stirring mixing 1 of 3000r/min rotating speed little Time；
2., in mixed liquor, add silester, keep temperature 60 C, keep 3000r/min rotating speed stirring mixing 2 hours；
3., in mixed liquor, add butyl titanate, keep temperature 60 C, keep 3000r/min rotating speed stirring mixing 2 hours；
4., in mixed liquor, add the N-tert-butyl group-2 benzothiazole sulfenamide, be warming up to 80 DEG C, keep 6000r/min rotating speed Stirring mixes half an hour, is cooled to room temperature and obtains gel film；
5., by Al2O3Porous ceramics is immersed in gel film, and keeping temperature is 50 DEG C, and ultrasonic vibration impregnates 30 minutes, takes out Rear natural drying；
6., by the Al of immersion coating gel film2O3Porous ceramics is heat treatment 2 hours at 500 DEG C, obtain vehicle exhaust and filter Device ceramic membrane filter material.
Advantage for present invention with effect is:
1), the automobile tail gas filtering device of the present invention, including air inlet, with air inlet connection filter chamber, be connected with filter chamber What logical U-shaped reaction tube was connected with U-shaped reaction tube sprays chamber and the air vent being connected with spray chamber；Edge in filter chamber Airintake direction is sequentially provided with activated charcoal strainer, HEPA drainage screen and purpose ceramic-film filter；It is provided with oxidisability molten in U-shaped reaction tube Liquid；Spray side, chamber is provided with urea box；Urea box is connected with spray chamber by nozzle；Carbamide it is provided with in urea box；Can pass through Activated charcoal strainer, HEPA drainage screen and purpose ceramic-film filter, oxidizing solution and carbamide carry out Multi-channel filtering to vehicle exhaust And process, effectively remove the harmful substance in vehicle exhaust.
2), purpose ceramic-film filter use automobile tail gas filtering device ceramic membrane filter material make, the filtration of this material Efficiency is high, and the deleterious particle in tail gas is carried out efficient absorption removal.At the same time it can also be avoid film peeling on ceramic matrix existing The appearance of elephant.
3), the automobile tail gas filtering device preparation method of ceramic membrane filter material, technical process is simple, easy and simple to handle, Production efficiency is high.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the automobile tail gas filtering device of the present invention.
In figure: air inlet 1, filter chamber 2, U-shaped reaction tube 3, spray chamber 4, air vent 5, activated charcoal strainer 21, HEPA mistake Filter screen 22, purpose ceramic-film filter 23, oxidizing solution 31, urea box 41, nozzle 42, carbamide 43.
Detailed description of the invention
Embodiment 1
As it is shown in figure 1, the present invention provides a kind of automobile tail gas filtering device, the filtration connected including air inlet 1 with air inlet 1 Chamber 2, the U-shaped reaction tube 3 being connected with filter chamber 2, the spray chamber 4 being connected with U-shaped reaction tube 3 and with spray chamber 4 be connected Logical air vent 5.
Specifically, filter chamber 2 is sequentially provided with activated charcoal strainer 21, HEPA drainage screen 22 and ceramic membrane along airintake direction Filter 23.
Specifically, activated charcoal strainer 21, HEPA drainage screen 22 and purpose ceramic-film filter 23 are removable with the inwall of filter chamber 2 Unload connection.
Vehicle exhaust enters filter chamber 2 by air inlet 1, and through activated charcoal strainer 21, HEPA drainage screen 22 and pottery Porcelain film filter filters for 23 3 times, can effectively remove the deleterious particle in vehicle exhaust.
Further, it is provided with oxidizing solution 31 in U-shaped reaction tube 3.Specifically, oxidizing solution 31 be sodium carbonate liquor or Sodium hydroxide solution.The part nitrogen oxides that oxidizing solution 31 can absorb in waste gas, gas is when U-shaped reaction tube 3, harmful Gas is fully contacted with oxidizing solution 31, so that bulky grain produces sedimentation.
Further, spray side, chamber 4 is provided with urea box 41；Urea box 41 is connected with spray chamber 4 by nozzle 42；Carbamide Being provided with carbamide 43 in case 41, available being sprayed to by carbamide 43 in urea box 41 by nozzle 42 sprays the vehicle exhaust in chamber 4, Reduce the nitrogen oxides pollution in vehicle exhaust.
Specifically, the diameter of air inlet 1 is equal to the internal diameter of air vent 5.
In sum, the automobile tail gas filtering device of the present invention, the filter chamber connected with air inlet including air inlet and What the U-shaped reaction tube that filter chamber is connected was connected with U-shaped reaction tube sprays chamber and the air vent being connected with spray chamber； Filter chamber is sequentially provided with activated charcoal strainer, HEPA drainage screen and purpose ceramic-film filter along airintake direction；Set in U-shaped reaction tube Oxidizing solution；Spray side, chamber is provided with urea box；Urea box is connected with spray chamber by nozzle；Urine it is provided with in urea box Element；By activated charcoal strainer, HEPA drainage screen and purpose ceramic-film filter, oxidizing solution and carbamide, vehicle exhaust can be carried out Multi-channel filtering and process, effectively remove the harmful substance in vehicle exhaust.
Embodiment 2
Automobile tail gas filtering device ceramic membrane filter material, by Al2O3Porous ceramics and to be coated in the gel on its surface thin Film forms, Al2O3The hole density of porous ceramics is 500cpsi, and duct wall thickness is 3.5mil, and volume is 0.80L；Gel film by The N-tert-butyl group-2 benzothiazole sulfenamide 20%, aluminum isopropylate. 15%, silester 15%, butyl titanate 15%, surface activity Agent 10%, 2-methyl-2-acrylic acid-2-(2-oxo-1-imidazolinyl) ethyl ester 5%, Polyethylene Glycol 5%, common glycoside 5% and pure Water 10% is made.
Embodiment 3
The method preparing automobile tail gas filtering device ceramic membrane filter material according to the formula of embodiment 2, step is as follows:
1., by aluminum isopropylate., surfactant, 2-methyl-2-acrylic acid-2-(2-oxo-1-imidazolinyl) ethyl ester, poly-second The common glycoside of glycol and ground adds in pure water, is heated to 60 DEG C while stirring, then keeps the stirring mixing 1 of 3000r/min rotating speed little Time；
2., in mixed liquor, add silester, keep temperature 60 C, keep 3000r/min rotating speed stirring mixing 2 hours；
3., in mixed liquor, add butyl titanate, keep temperature 60 C, keep 3000r/min rotating speed stirring mixing 2 hours；
4., in mixed liquor, add the N-tert-butyl group-2 benzothiazole sulfenamide, be warming up to 80 DEG C, keep 6000r/min rotating speed Stirring mixes half an hour, is cooled to room temperature and obtains gel film；
5., by Al2O3Porous ceramics is immersed in gel film, and keeping temperature is 50 DEG C, and ultrasonic vibration impregnates 30 minutes, takes out Rear natural drying；
6., by the Al of immersion coating gel film2O3Porous ceramics is heat treatment 2 hours at 500 DEG C, obtain vehicle exhaust and filter Device ceramic membrane filter material.
The present invention is not limited to above-described embodiment, and embodiment is exemplary, it is intended to be used for explaining the present invention, and can not It is interpreted as limitation of the present invention.

Claims (1)

1. an automobile tail gas filtering device ceramic membrane filter material, it is characterised in that by Al2O3Porous ceramics and coating Gel film composition on its surface, Al2O3The hole density of porous ceramics is 500cpsi, and duct wall thickness is 3.5mil, and volume is 0.80L；Gel film is by the N-tert-butyl group-2 benzothiazole sulfenamide 20%, aluminum isopropylate. 15%, silester 15%, metatitanic acid four Butyl ester 15%, surfactant 10%, 2-methyl-2-acrylic acid-2-(2-oxo-1-imidazolinyl) ethyl ester 5%, Polyethylene Glycol 5%, common glycoside 5% and pure water 10% are made.
CN201610779693.8A 2016-08-31 2016-08-31 Automobile tail gas filtering device ceramic membrane filter material Pending CN106215575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610779693.8A CN106215575A (en) 2016-08-31 2016-08-31 Automobile tail gas filtering device ceramic membrane filter material

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Application Number Priority Date Filing Date Title
CN201610779693.8A CN106215575A (en) 2016-08-31 2016-08-31 Automobile tail gas filtering device ceramic membrane filter material

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110354588A (en) * 2018-04-11 2019-10-22 南春玉 Vehicle tail air cleaning unit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283210A (en) * 1980-06-16 1981-08-11 Ngk Insulators, Ltd. Ceramic honeycomb filter and a method of producing the same
CN1168873A (en) * 1997-06-20 1997-12-31 清华大学 Method for preparing ceramic thin sheet contg. alumina, silicon oxide and titanium oxide
CN1704150A (en) * 2004-06-02 2005-12-07 中国科学院合肥物质科学研究院 Shape controllable ordered expanded film material and preparation method thereof
CN202417662U (en) * 2011-08-24 2012-09-05 谢小江 Device for preparing liquid CO2 from automobile tail gas and supplying cool air and hot air
CN102814095B (en) * 2012-08-10 2015-03-18 中国恩菲工程技术有限公司 Processing method of tail gas of trichlorosilane synthesis
CN105032065A (en) * 2015-06-06 2015-11-11 杭州笨鸟环保科技有限公司 Active carbon filter screen and preparation method thereof
CN105327578A (en) * 2015-09-02 2016-02-17 中国科学院过程工程研究所 Dusty gas purifying method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283210A (en) * 1980-06-16 1981-08-11 Ngk Insulators, Ltd. Ceramic honeycomb filter and a method of producing the same
CN1168873A (en) * 1997-06-20 1997-12-31 清华大学 Method for preparing ceramic thin sheet contg. alumina, silicon oxide and titanium oxide
CN1704150A (en) * 2004-06-02 2005-12-07 中国科学院合肥物质科学研究院 Shape controllable ordered expanded film material and preparation method thereof
CN202417662U (en) * 2011-08-24 2012-09-05 谢小江 Device for preparing liquid CO2 from automobile tail gas and supplying cool air and hot air
CN102814095B (en) * 2012-08-10 2015-03-18 中国恩菲工程技术有限公司 Processing method of tail gas of trichlorosilane synthesis
CN105032065A (en) * 2015-06-06 2015-11-11 杭州笨鸟环保科技有限公司 Active carbon filter screen and preparation method thereof
CN105327578A (en) * 2015-09-02 2016-02-17 中国科学院过程工程研究所 Dusty gas purifying method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110354588A (en) * 2018-04-11 2019-10-22 南春玉 Vehicle tail air cleaning unit
US11035269B2 (en) 2018-04-11 2021-06-15 Chun Ok NAM Air cleaner for vehicle

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Application publication date: 20161214