CN103936429B - A kind of honeycomb porous ceramics adjuvant for combustion - Google Patents
A kind of honeycomb porous ceramics adjuvant for combustion Download PDFInfo
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- CN103936429B CN103936429B CN201410120369.6A CN201410120369A CN103936429B CN 103936429 B CN103936429 B CN 103936429B CN 201410120369 A CN201410120369 A CN 201410120369A CN 103936429 B CN103936429 B CN 103936429B
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Abstract
A kind of honeycomb porous ceramics adjuvant for combustion, described adjuvant for combustion is made up of the component of following mass percent: rare earth oxide 0.1 ~ 0.8wt%, zirconium silicate 0.1 ~ 1wt%, phospho-wolframic acid 0 ~ 1wt%, siccative 0.2 ~ 1wt%, aluminum oxide 0 ~ 2wt%, binding agent 2 ~ 5wt%, silicone oil 5 ~ 10wt%.Instant component is simple, with low cost, the material decomposition of honeycomb porous ceramics in dry, sintering process or volatilization temperature scope can be made to broaden, shrink and diminish and the raising of ceramic dense degree, is conducive to drying or the yield rate of burning till improves.
Description
Technical field
The present invention relates to Production of Ceramics preparation field, be specifically related to a kind of honeycomb porous ceramics adjuvant for combustion.
Background technology
Honeycomb porous ceramics is the porous ceramics product of a kind of structure like honeycomb shape, tool has been widely used, wherein the field of large usage quantity is purifying vehicle exhaust and desulphurization denitration catalyst support, if publication number is the Chinese patent of CN1457920, CN1413769, CN1401416, CN102424569A etc., all disclose the correlation technique of porous ceramics aspect.
When honeycomb porous ceramics is as various catalyst support or high temperature air filtration material, need reply temperature sharply to change, pottery occurs to break, i.e. heat shock resistance power, and it weighs the size that important parameter is ceramic thermal expansivity and thermal conductivity.A lot of patent of invention proposes to reduce honeycomb porous ceramics thermal expansivity and improve honeycomb porous ceramics thermal conductivity method, moulding process, formula, if publication number is the patents such as CN102424569A, CN102365119A, CN101374786, CN102249656A, CN102731106A, CN144778.Propose to reduce honeycomb porous ceramics thermal expansivity method from formula angle although these patents above are many, as used trichroite as ceramic principal crystalline phase, powdered graphite or Vltra tears is added during forming process of ceramics, or add tungsten wire array in formula, triphane and silica powder, reach the object reducing thermal expansivity, as Chinese patent CN102249656A, CN1903796, CN1785895 etc., but it is as narrow in low thermal expansion temperature range to there is a lot of limitation, the thermal conductivity that actual process process lacks operability and honeycomb porous ceramics such as not to be significantly improved at the series of problems.
Therefore, a kind of new cordierite honeycomb porous ceramics preparation technology and preparation formula must be found, obtain low-thermal-expansion in wide temperature range, high heat conductance nest pottery, its technical process and simple, the economic environmental protection of recipe requirements and tool height operability.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of composition, the honeycomb porous ceramics adjuvant for combustion that result of use is good
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of honeycomb porous ceramics adjuvant for combustion, described adjuvant for combustion is made up of the component of following mass percent:
Described binding agent is polyoxyethylene resin.
The invention has the beneficial effects as follows:
Beneficial effect of the present invention: instant component is simple, with low cost, the material decomposition of honeycomb porous ceramics in dry, sintering process or volatilization temperature scope can be made to broaden, shrink and diminish and the raising of ceramic dense degree, be conducive to drying or the yield rate of burning till improves.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
A kind of honeycomb porous ceramics adjuvant for combustion, described adjuvant for combustion is made up of the component of following weight:
Embodiment 2
A kind of honeycomb porous ceramics adjuvant for combustion, described adjuvant for combustion is made up of the component of following mass percent:
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. a honeycomb porous ceramics adjuvant for combustion, is characterized in that: described adjuvant for combustion is made up of the component of following weight:
2. a kind of honeycomb porous ceramics adjuvant for combustion according to claim 1, is characterized in that: described binding agent is polyoxyethylene resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410120369.6A CN103936429B (en) | 2014-03-27 | 2014-03-27 | A kind of honeycomb porous ceramics adjuvant for combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410120369.6A CN103936429B (en) | 2014-03-27 | 2014-03-27 | A kind of honeycomb porous ceramics adjuvant for combustion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103936429A CN103936429A (en) | 2014-07-23 |
| CN103936429B true CN103936429B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410120369.6A Active CN103936429B (en) | 2014-03-27 | 2014-03-27 | A kind of honeycomb porous ceramics adjuvant for combustion |
Country Status (1)
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| CN (1) | CN103936429B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445237C (en) * | 2007-04-11 | 2008-12-24 | 南京工业大学 | Multiphase functional ceramic honeycomb support body and preparation method thereof |
| US8512433B2 (en) * | 2008-05-30 | 2013-08-20 | Corning Incorporated | Low back pressure porous honeycomb and method |
| US20110111205A1 (en) * | 2009-11-09 | 2011-05-12 | Korea Institute Of Machinery & Materials | METHOD OF MANUFACTURING POROUS SINTERED REACTION-BONDED SILICON NITRIDE CERAMICS FROM GRANULAR Si MIXTURE POWDER AND POROUS SINTERED REACTION-BONDED SILICON NITRIDE CERAMICS MANUFACTURED THEREBY |
| CN101734925B (en) * | 2009-12-04 | 2012-02-01 | 西安交通大学 | Silicon nitride porous ceramics with controllable porosity and preparation method thereof |
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2014
- 2014-03-27 CN CN201410120369.6A patent/CN103936429B/en active Active
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| Publication number | Publication date |
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| CN103936429A (en) | 2014-07-23 |
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