CN100463722C - Wall flow type honeycomb ceramic carrier blank hole blocking method - Google Patents
Wall flow type honeycomb ceramic carrier blank hole blocking method Download PDFInfo
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- CN100463722C CN100463722C CNB2006101067767A CN200610106776A CN100463722C CN 100463722 C CN100463722 C CN 100463722C CN B2006101067767 A CNB2006101067767 A CN B2006101067767A CN 200610106776 A CN200610106776 A CN 200610106776A CN 100463722 C CN100463722 C CN 100463722C
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Abstract
The present invention relates to a hole-plugging method through wall-flow honeycomb porcelain carrier mud base to dispose particulates in exhaust gas of diesel engine, which has the procedure as follows: film is used to cover two sections of the wall-flow honeycomb porcelain carrier base, wherein a cross hole is made on the film opposite to each of the two section holes, and the films on the two sections are not communicated with each other, then a mud material used to plug the hole is pressed into the hole belonging to the wall-flow honeycomb porcelain carrier base and opposite to the two section film holes, allowed to stand for 12 to 36 hours, and put into a microwave oven to be dried, i.e. to dry the water contained in the plugging hole. The present invention has the advantages that both the method and the prescription of the section micro hole cross plugging of the wall-flow honeycomb porcelain carrier not only fundamentally accomplishes the disposal of the particulates in exhaust gas of diesel engine through the wall-flow honeycomb porcelain carrier, but also solves the issue of the effective affinity between the plugging mud material and the section micro hole of the wall-flow honeycomb porcelain carrier, thereby ensuring that the plugged micro hole is sealed.
Description
Technical field:
The present invention relates to a kind of hole blocking method that is used to capture the wall-flow type honeycomb ceramic carrier moulded pottery not yet put in a kiln to bake of diesel engine vent gas particulate.
Background technology:
Number of patent application 200610008498.1, title " manufacture method of nanometer low-temperature sintering type high-purity silicon carbide honeycomb trap ", in the manufacture process of this trap, the method that does not have plug-hole, the wall-flow type honeycomb ceramic carrier that of therefore being shaped can't capture the particulate of diesel engine vent gas effectively.
Summary of the invention:
Purpose of design: avoid the sufficient part in the background technology, design a kind of proportioning that can capture the hole blocking method and the plug-hole pug of the diesel engine vent gas particulate and efficient wall flow type honeycomb ceramic carrier blank that have practical value effectively.
Design: in order to realize above-mentioned purpose of design.1, two ends, wall flow type honeycomb ceramic carrier blank cross section through hole adopts the method for intersection shutoff, it is one of feature of the application, so wall-flow type honeycomb ceramic carrier only can capture the particulate of diesel engine vent gas effectively, topmost characteristics are, during tail gas process wall flow type honeycomb ceramic carrier blank, the tail gas process be not straightway straight channel, but the tail end of passage is obstructed, the wall of passage is logical, during tail gas process passage, the particulate admission passage bottom in the tail gas, air-flow enters the passage that is adjacent by the micropore in the conduit wall, and (the passage inlet end is obstructed, tail end is logical) discharge.2, the prescription of shutoff pug, be the application feature two, because wall flow type honeycomb ceramic carrier blank forms in wall-flow type honeycomb ceramic carrier, need be through firing under the high temperature more than 1700～2200 ℃, if the pug of plug-hole must have affinity with wall-flow type honeycomb ceramic carrier, phenomenons such as expansion, contraction, cracking, fragmentation can be do not dried, otherwise scrapping of wall-flow type honeycomb ceramic carrier will be caused.Therefore, for wall-flow type honeycomb ceramic carrier, the proportioning of shutoff wall-flow type honeycomb ceramic carrier cross section micropore pug prescription, prescription proportioning not second to wall-flow type honeycomb ceramic carrier (mud) base itself, can it be to be related to the wall-flow type honeycomb ceramic carrier success or not, capture one of key of diesel engine vent gas particulate effectively.Because the diesel engine vent gas particulate is strong carcinogen, if this problem is resolved, the application of wall-flow type honeycomb ceramic carrier can change the consumption kind of the world car energy, just means to save 40% energy resource consumption.
Technical scheme 1: wall flow type honeycomb ceramic carrier blank hole blocking method, encase two cross sections of wall flow type honeycomb ceramic carrier blank with film, and submit the membrane pores not conducting mutually of diverging on hole and the two sections at the film relative with the two-section face, mode with extruding is clamp-oned the plug-hole pug in the hole of the wall flow type honeycomb ceramic carrier blank relative with the two sections membrane pores, place after 12～36 hours, put into and carry out microwave drying in the micro-wave oven, the moisture in the plug-hole material is dried.
Technical scheme 2: wall flow type honeycomb ceramic carrier blank hole blocking pug formula (weight ratio): granularity is that thick SiC75～85%, the granularity more than 15 microns is superfine 13～25%, the carbon dust 0.3～2% below 10 microns.
The present invention compares with background technology, the one, wall-flow type honeycomb ceramic carrier cross section micropore cross seal blocking method and shutoff prescription constitute, not only fundamentally realized the capture of wall-flow type honeycomb ceramic carrier to the diesel engine vent gas particulate, and solved effective affinity of wall-flow type honeycomb ceramic carrier cross section micropore and shutoff pug, guaranteed to be sealed by the micropore of shutoff; The 2nd, method for blocking is simple, reliable, practical.
The specific embodiment:
Embodiment 1: wall flow type honeycomb ceramic carrier blank hole blocking method, with film (plastic sheeting or the like) thin slice or encase two cross sections of wall flow type honeycomb ceramic carrier blank, and (perforate is the mould perforate to submit membrane pores on fork hole and the two sections or sheet hole not conducting mutually at the film relative with the two-section face or thin slice, or machine leaves, or hand is opened), (mode of extruding is meant the hydraulic pressure extruding, or manual extruding with the mode of pushing, or pneumatic extruding, or leading screw extruding.) the plug-hole pug is clamp-oned in the hole of the wall flow type honeycomb ceramic carrier blank relative with the two sections membrane pores, plug-hole is approximately 0.2 centimetre～1 centimetre deeply.Place after 12～36 hours, put into and carry out microwave drying in the micro-wave oven, the moisture in the plug-hole material is dried.
Laser beam drilling is meant that film or thin slice that the high-energy light beam guiding moment that produces with laser instrument or laser tube will be positioned at two cross sections of wall flow type honeycomb ceramic carrier blank submit fork hole and axially not conducting mutually.
The mould perforate, be meant that two secondary mould perforate heads interlace, i.e. jack in the cross bore on the perforate head of a secondary mould and wall-flow type honeycomb ceramic carrier one cross section relative (just with its friendship hole on another cross section) relatively, and the jack in the cross bore on another cross section of perforate head and wall-flow type honeycomb ceramic carrier of another secondary mould (friendship hole on relative another cross section with it just) is relative, and purpose is bag to be carried out communicate in the film perforate of end face and with the micropore in wall-flow type honeycomb ceramic carrier cross section.
Machine leaves, and is meant that mould adds hydraulic pressure or air pressure perforate.
Hand is opened, and is meant manually instrument perforate by hand.
Embodiment 2: on the basis of embodiment 1, wall flow type honeycomb ceramic carrier blank hole blocking method, manual extruding, vertically place wall flow type honeycomb ceramic carrier blank, the top cross section of entangling base substrate with the logical rubber case in a two, after entangling with rubber case toward pressing down, exceed about 0.05～0.5 centimetre up to rubber case than the cross section, in exceeding the rubber case of base substrate, irritate mud again, be poured into parallel with rubber case.Take thin slice to cover rubber case, flat with the have gentle hands flicking, pug in thin slice and the rubber case is inhaled together, inversion vertically is placed on glass then, slowly press down base substrate with apparatus, till being pressed onto bad body end face and glassy phase and touching, one of the stifled honest material of base substrate is faced down again and shake on cystosepiment, it is fine and close that pug is distributed, and takes away the rubber case and the scraps of paper, the stifled good one side of product is wipeed off, tear the adhesive tape of stifled mud one side, product vertically is placed on the smooth plane, with facing down of blocking up mud at once, make pug toward a mouthful upper reaches, so that stifled as stated above base substrate other end face was placed in the plug-hole densification about 12～36 hours, placed 12～36 hours stifled good back, makes the pug that blocks up into air-dry.
Embodiment 3: wall flow type honeycomb ceramic carrier blank hole blocking pug formula (weight ratio): granularity is that thick SiC75%, the granularity more than 15 microns is superfine 24%, the carbon dust 1% below 10 microns.
Embodiment 4: wall flow type honeycomb ceramic carrier blank hole blocking pug formula (weight ratio): granularity is that thick SiC85%, the granularity more than 15 microns is superfine 13%, the carbon dust 2% below 10 microns.
Embodiment 5: wall flow type honeycomb ceramic carrier blank hole blocking pug formula (weight ratio): granularity is that thick SiC84%, the granularity more than 15 microns is superfine 15.7%, the carbon dust 0.3% below 10 microns.
Embodiment 6: wall flow type honeycomb ceramic carrier blank hole blocking pug formula (weight ratio): granularity is that thick SiC79.5%, the granularity more than 15 microns is superfine 20%, the carbon dust 0.5% below 10 microns.
Embodiment 7: wall flow type honeycomb ceramic carrier blank hole blocking pug formula (weight ratio): granularity is that thick SiC80%, the granularity more than 15 microns is superfine 19.5%, the carbon dust 0.5% below 10 microns.
What need understand is: though the foregoing description is to the present invention's detailed explanation of contrasting; but these illustrate that this is illustrative to the present invention; rather than limitation of the present invention, any innovation and creation that do not exceed in the connotation of the present invention all fall within the scope of protection of the present invention.
Claims (3)
1. wall flow type honeycomb ceramic carrier blank hole blocking method, encase two cross sections of wall flow type honeycomb ceramic carrier blank with film or thin slice, and submit the membrane pores or the sheet hole not conducting mutually of diverging on hole and the two sections at film relative or thin slice with the two-section face, it is characterized in that (weight ratio): the wall flow type honeycomb ceramic carrier blank hole blocking pug is thick SiC75～85% more than 15 microns by granularity, granularity is the superfine 13～25% below 10 microns, carbon dust 0.3～2% constitutes, mode with extruding is clamp-oned the plug-hole pug in the hole of the wall flow type honeycomb ceramic carrier blank relative with the two sections membrane pores, place after 12～36 hours, put into and carry out microwave drying in the micro-wave oven, the moisture in the plug-hole material is dried.
2. wall flow type honeycomb ceramic carrier blank hole blocking method according to claim 1 is characterized in that: plug-hole is 0.2 centimetre～1 centimetre deeply.
3. wall flow type honeycomb ceramic carrier blank hole blocking method according to claim 1 is characterized in that: the mode of extruding is meant the hydraulic pressure extruding, or manual extruding, or pneumatic extruding, or the leading screw extruding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101067767A CN100463722C (en) | 2006-08-01 | 2006-08-01 | Wall flow type honeycomb ceramic carrier blank hole blocking method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101067767A CN100463722C (en) | 2006-08-01 | 2006-08-01 | Wall flow type honeycomb ceramic carrier blank hole blocking method |
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| Publication Number | Publication Date |
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| CN101116831A CN101116831A (en) | 2008-02-06 |
| CN100463722C true CN100463722C (en) | 2009-02-25 |
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| CNB2006101067767A Active CN100463722C (en) | 2006-08-01 | 2006-08-01 | Wall flow type honeycomb ceramic carrier blank hole blocking method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012100687A1 (en) * | 2012-01-27 | 2013-08-01 | Hug Engineering Ag | Method for heating a cleaning flow body and cleaning device |
| CN102787884A (en) * | 2012-07-03 | 2012-11-21 | 宜兴王子制陶有限公司 | Hole sealing method of soot filter |
| CN104844272A (en) * | 2015-05-22 | 2015-08-19 | 宁夏机械研究院股份有限公司 | Method and device for blocking end face of silicon carbide honeycomb ceramic carrier |
| CN110483094B (en) * | 2019-07-29 | 2022-06-14 | 南京柯瑞特种陶瓷股份有限公司 | Preparation method of honeycomb ceramic filter body for gasoline engine and honeycomb ceramic filter body |
| CN112675636A (en) * | 2020-12-28 | 2021-04-20 | 常州浩蔚环保科技有限公司 | Uniform hole plugging process of particle catcher |
| CN112943414B (en) * | 2021-04-06 | 2021-09-28 | 宜兴市锦龙陶瓷有限公司 | Honeycomb ceramic carrier hole plugging equipment and hole plugging process for thin-wall diesel engine tail gas purification |
| CN114352380B (en) * | 2022-01-10 | 2022-12-02 | 岚士智能科技(上海)有限公司 | Processing method and equipment of silicon carbide DPF |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0585865A (en) * | 1991-09-27 | 1993-04-06 | Ibiden Co Ltd | Sealing material of honeycomb filter |
| JPH08243329A (en) * | 1995-03-08 | 1996-09-24 | Denki Kagaku Kogyo Kk | Sealing medium and ceramic honeycomb structure using the same and its production |
| JPH1099626A (en) * | 1996-09-30 | 1998-04-21 | Ibiden Co Ltd | Honeycomb filter and its manufacture |
| CN1747773A (en) * | 2002-12-11 | 2006-03-15 | 日本碍子株式会社 | Sealed honeycomb structure and method of producing the same |
-
2006
- 2006-08-01 CN CNB2006101067767A patent/CN100463722C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0585865A (en) * | 1991-09-27 | 1993-04-06 | Ibiden Co Ltd | Sealing material of honeycomb filter |
| JPH08243329A (en) * | 1995-03-08 | 1996-09-24 | Denki Kagaku Kogyo Kk | Sealing medium and ceramic honeycomb structure using the same and its production |
| JPH1099626A (en) * | 1996-09-30 | 1998-04-21 | Ibiden Co Ltd | Honeycomb filter and its manufacture |
| CN1747773A (en) * | 2002-12-11 | 2006-03-15 | 日本碍子株式会社 | Sealed honeycomb structure and method of producing the same |
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| CN101116831A (en) | 2008-02-06 |
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Address after: 556099 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee after: Guizhou Huang Cheng Polytron Technologies Inc Address before: 556018 the first industrial park of Kaili Economic Development Zone, Guizhou Patentee before: Hangzhou Yiche Vehicle Decontamination Machine Co., Ltd. |