CN104177956A - Preparation technique of insulating coating for automobile catalyst insulating plate - Google Patents
Preparation technique of insulating coating for automobile catalyst insulating plate Download PDFInfo
- Publication number
- CN104177956A CN104177956A CN201410402031.XA CN201410402031A CN104177956A CN 104177956 A CN104177956 A CN 104177956A CN 201410402031 A CN201410402031 A CN 201410402031A CN 104177956 A CN104177956 A CN 104177956A
- Authority
- CN
- China
- Prior art keywords
- catalytic device
- thermal baffle
- sintering
- coating
- device thermal
- 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
Links
Abstract
The invention discloses an automobile catalyst insulating plate which is prepared by the following steps: (1) carrying out grit blasting on the lower surface of the automobile catalyst insulating plate for 5-10 minutes; (2) cleaning the automobile catalyst insulating plate to remove oil and dust; (3) preheating the lower surface of the automobile catalyst insulating plate to 70-90 DEG C in a far-infrared heating mode; (4) spraying a substrate coating; (5) drying; (6) sintering the substrate coating; (7) carrying out surface spraying; and (8) sintering the surface coating. The insulating coating has the advantages of favorable insulating property, high bonding strength, favorable high-temperature stability and the like.
Description
Technical field
The invention belongs to forming materials technique, specifically refer to a kind of heat insulating coat preparation technology of automobile catalytic device thermal baffle.
Background technology
Ternary catalyzing unit is all installed on the vapor pipe under existing automobile cab, and the obnoxious flavoures such as carbon monoxide, hydrocarbon polymer and oxynitride that it can be discharged vehicle exhaust change harmless carbonic acid gas, water and nitrogen into by oxidation and reductive action.Ternary catalyzing unit when work its hull-skin temperature higher, this heat can pass to the mechanisms such as wheel box under automobile cab by infrared radiation, causes it overheated and break down.Generally all can be with respect to automobile catalytic device thermal baffle be set above ternary catalyzing unit on automobile cab in prior art, this automobile catalytic device thermal baffle is generally all made by metal sheet, and known metal sheet thermal conductivity is better, and its effect of heat insulation is poor.
Summary of the invention
The object of the invention is the shortcoming and defect existing in order to overcome prior art, and the heat insulating coat preparation technology of the automobile catalytic device thermal baffle that a kind of thermal insulation is good, combined strength bination is high and heat-resistant stable is good is provided.
For achieving the above object, technical scheme of the present invention is to comprise following operation:
(1) lower surface of automobile catalytic device thermal baffle is carried out to sandblasting 5-10 minute;
(2) automobile catalytic device thermal baffle is carried out to clean, oil removing dedusting;
(3) lower surface of automobile catalytic device thermal baffle is preheating to 70-90 ℃ in far-infrared heating mode;
(4) spraying base coating, the lower surface by base coating paint spay-coating at automobile catalytic device thermal baffle, the thickness 5-10mm of its sprayed coating, the component of this base coating is, in mass fraction:
Organosilicon modified crylic acid resin 35-65%
Octyl group phosphoric acid acyloxy titanic acid ester 1.5-3%
Nano-calcium carbonate 0.5-5%
Diamond dust 0.3-10.3%
Pimelinketone 10-13%
Pyrophyllite powder 2.5-5.5%
Phosphatization yttrium 0.5-10%
Zirconium English powder 0.03-0.15%
Titanium oxide powder 5.2-25.0%
(5) dry, in far-infrared heating mode, the temperature that continues the lower surface of maintenance automobile catalytic device thermal baffle is 70-90 ℃, continues dry 5-10 minute;
(6) base coating sintering, utilize laser scanning type of heating to carry out high temperature sintering to the substrate sprayed coating of the lower surface of automobile catalytic device thermal baffle, sintering temperature is controlled at 190-200 ℃, sintering time is 20-25 minute, is formed on the base coating of anticorrosive refractory ceramics at the lower surface of automobile catalytic device thermal baffle;
(7) base coating above-mentioned sintering being formed is cooled to 50-80 ℃, sprayed surface coated coating, and the thickness 5-10 μ m of its sprayed coating, the component of this top coat coating is, in mass fraction: 15 parts of water glass;
30 parts of AgCl;
B
2o
355 parts;
(8) top coat sintering, utilize laser scanning type of heating to carry out high temperature sintering to the surface spraying layer of the lower surface of automobile catalytic device thermal baffle, sintering temperature is controlled at 500-600 ℃, sintering time is 3-5 minute, at the lower surface of automobile catalytic device thermal baffle, is formed on the top coat with bright black glossy.
Advantage of the present invention is that advantage of the present invention is:
(1) the present invention is at the formed base coating of lower surface of automobile catalytic device thermal baffle, erosion resistance, resistance to elevated temperatures are good, long service life, and the surface of internal cavity of this base coating and automobile catalytic device thermal baffle has formed fine and closely woven brilliant phosphatization, between the surface of internal cavity of rete and automobile catalytic device thermal baffle, bonding force is strong, has guaranteed the combining closely of lower surface of basement membrane layer and automobile catalytic device thermal baffle under the condition of high temperature.
(2) ceramic body that the top coat that institute of the present invention sintering forms and base coating are high thermal insulation, heat-proof quality is good;
(3) the color integral body of the top coat that sintering of the present invention forms is bright black, this color has significant reflecting effect, and AgCl decomposes becomes silver powder particles to be evenly mingled in the surface of top coat in sintering process, silver powder plays diffuse-reflectance effect, infrared radiation usable reflection is gone out, arrange and greatly improved effect of heat insulation.
Below in conjunction with embodiment, the present invention is described further.
Embodiment
Below by embodiment, the present invention is specifically described; only be used to further illustrate the present invention; can not be interpreted as limiting the scope of the present invention, the technician in this field can make some nonessential improvement and adjustment to the present invention according to the content of foregoing invention.
Embodiment 1
The present embodiment comprises following operation:
(1) lower surface of automobile catalytic device thermal baffle is carried out to sandblasting 5-10 minute;
(2) automobile catalytic device thermal baffle is carried out to clean, oil removing dedusting;
(3) lower surface of automobile catalytic device thermal baffle is preheating to 70-90 ℃ in far-infrared heating mode;
(4) spraying base coating, the lower surface by base coating paint spay-coating at automobile catalytic device thermal baffle, the thickness 5-10mm of its sprayed coating, the component of this base coating is, in mass fraction:
Organosilicon modified crylic acid resin 35-65%, is preferably 50%;
Octyl group phosphoric acid acyloxy titanic acid ester 1.5-3%, is preferably 2.5%;
Nano-calcium carbonate 0.5-5%, is preferably 2.5%;
Diamond dust 0.3-10.3%, is preferably 7%;
Pimelinketone 10-13%, is preferably 11%;
Pyrophyllite powder 2.5-5.5%, is preferably 4%;
Phosphatization yttrium 0.5-10%, is preferably 5%;
Zirconium English powder 0.03-0.15%, is preferably 0.1%;
Titanium oxide powder 5.2-25.0%, is preferably surplus
(5) dry, in far-infrared heating mode, the temperature that continues the lower surface of maintenance automobile catalytic device thermal baffle is 70-90 ℃, continues dry 5-10 minute;
(6) base coating sintering, utilize laser scanning type of heating to carry out high temperature sintering to the substrate sprayed coating of the lower surface of automobile catalytic device thermal baffle, sintering temperature is controlled at 190-200 ℃, sintering time is 20-25 minute, is formed on the base coating of anticorrosive refractory ceramics at the lower surface of automobile catalytic device thermal baffle;
(7) base coating above-mentioned sintering being formed is cooled to 50-80 ℃, sprayed surface coated coating, and the thickness 5-10 μ m of its sprayed coating, the component of this top coat coating is, in mass fraction: 15 parts of water glass;
30 parts of AgCl;
B
2o
355 parts;
(8) top coat sintering, utilize laser scanning type of heating to carry out high temperature sintering to the surface spraying layer of the lower surface of automobile catalytic device thermal baffle, sintering temperature is controlled at 500-600 ℃, sintering time is 3-5 minute, at the lower surface of automobile catalytic device thermal baffle, is formed on the top coat with bright black glossy.
Claims (1)
1. a heat insulating coat preparation technology for automobile catalytic device thermal baffle, is characterized in that comprising following operation:
The lower surface of automobile catalytic device thermal baffle is carried out to sandblasting 5-10 minute;
Automobile catalytic device thermal baffle is carried out to clean, oil removing dedusting;
The lower surface of automobile catalytic device thermal baffle is preheating to 70-90 ℃ in far-infrared heating mode;
(4) spraying base coating, the lower surface by base coating paint spay-coating at automobile catalytic device thermal baffle, the thickness 5-10mm of its sprayed coating, the component of this base coating is, in mass fraction:
Organosilicon modified crylic acid resin 35-65%
Octyl group phosphoric acid acyloxy titanic acid ester 1.5-3%
Nano-calcium carbonate 0.5-5%
Diamond dust 0.3-10.3%
Pimelinketone 10-13%
Pyrophyllite powder 2.5-5.5%
Phosphatization yttrium 0.5-10%
Zirconium English powder 0.03-0.15%
Titanium oxide powder 5.2-25.0%
(5) dry, in far-infrared heating mode, the temperature that continues the lower surface of maintenance automobile catalytic device thermal baffle is 70-90 ℃, continues dry 5-10 minute;
(6) base coating sintering, utilize laser scanning type of heating to carry out high temperature sintering to the substrate sprayed coating of the lower surface of automobile catalytic device thermal baffle, sintering temperature is controlled at 190-200 ℃, sintering time is 20-25 minute, is formed on the base coating of anticorrosive refractory ceramics at the lower surface of automobile catalytic device thermal baffle;
(7) base coating above-mentioned sintering being formed is cooled to 50-80 ℃, sprayed surface coated coating, and the thickness 5-10 μ m of its sprayed coating, the component of this top coat coating is, in mass fraction: 15 parts of water glass;
30 parts of AgCl;
B
2o
355 parts;
(8) top coat sintering, utilize laser scanning type of heating to carry out high temperature sintering to the surface spraying layer of the lower surface of automobile catalytic device thermal baffle, sintering temperature is controlled at 500-600 ℃, sintering time is 3-5 minute, at the lower surface of automobile catalytic device thermal baffle, is formed on the top coat with bright black glossy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402031.XA CN104177956A (en) | 2014-08-15 | 2014-08-15 | Preparation technique of insulating coating for automobile catalyst insulating plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402031.XA CN104177956A (en) | 2014-08-15 | 2014-08-15 | Preparation technique of insulating coating for automobile catalyst insulating plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104177956A true CN104177956A (en) | 2014-12-03 |
Family
ID=51959315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410402031.XA Pending CN104177956A (en) | 2014-08-15 | 2014-08-15 | Preparation technique of insulating coating for automobile catalyst insulating plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104177956A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000847A (en) * | 2016-06-23 | 2016-10-12 | 佛山市固宇建朗建筑五金有限公司 | Preparation method for novel high-temperature-resistant corrosion-resistant metal door and window accessories |
| CN111151124A (en) * | 2020-01-08 | 2020-05-15 | 山东鲁阳浩特高技术纤维有限公司 | Nano-plate with catalytic and conductive functions and preparation method and application thereof |
| CN111361262A (en) * | 2020-03-02 | 2020-07-03 | 上海宝山大陆汽车配件股份有限公司 | High-temperature-resistant heat-insulating plate for automobile silencer and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113289A (en) * | 2007-08-22 | 2008-01-30 | 王正堂 | Anti-corrosion abrasion-resistant powder coating and method for making same |
| CN102228885A (en) * | 2011-04-29 | 2011-11-02 | 浙江金得利电器有限公司 | Preparation process of anti-corrosion high-temperature-resistant ceramic compounding membrane layer, phosphorization liquid and coating thereof |
-
2014
- 2014-08-15 CN CN201410402031.XA patent/CN104177956A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113289A (en) * | 2007-08-22 | 2008-01-30 | 王正堂 | Anti-corrosion abrasion-resistant powder coating and method for making same |
| CN102228885A (en) * | 2011-04-29 | 2011-11-02 | 浙江金得利电器有限公司 | Preparation process of anti-corrosion high-temperature-resistant ceramic compounding membrane layer, phosphorization liquid and coating thereof |
Non-Patent Citations (3)
| Title |
|---|
| R.A.小戴等: "《定量分析》", 30 April 1980 * |
| 宋飞等: "《汽车美容装潢》", 31 May 2013 * |
| 马国强等: ""SiO2-B2O3-ZrO2陶瓷涂层的制备及性能"", 《北京化工大学学报（自然科学版）》, vol. 40, no. 6, 20 November 2013 (2013-11-20), pages 50 - 55 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000847A (en) * | 2016-06-23 | 2016-10-12 | 佛山市固宇建朗建筑五金有限公司 | Preparation method for novel high-temperature-resistant corrosion-resistant metal door and window accessories |
| CN111151124A (en) * | 2020-01-08 | 2020-05-15 | 山东鲁阳浩特高技术纤维有限公司 | Nano-plate with catalytic and conductive functions and preparation method and application thereof |
| CN111361262A (en) * | 2020-03-02 | 2020-07-03 | 上海宝山大陆汽车配件股份有限公司 | High-temperature-resistant heat-insulating plate for automobile silencer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103374693B (en) | Nano thermal barrier coating on surface of high-temperature furnace roller and preparation method thereof | |
| JP4852025B2 (en) | Exhaust pipe | |
| CN1051067C (en) | Glazing layer forming composition for hot coating of oven refractory and method of forming glazing layer | |
| WO2018000693A1 (en) | High temperature and chloride corrosion resistant nicrtialsi/la2o3 coating for flue gas detector of waste-to-energy incinerator furnace and manufacturing method of the coating | |
| US6875464B2 (en) | In-situ method and composition for repairing a thermal barrier coating | |
| JP4659061B2 (en) | Substrate with catalyst coating | |
| CN100463876C (en) | Refractory far infrared radiation ceramics coating | |
| CN103011836B (en) | The preparation method of a kind of carbon material surface coating composition and coating | |
| CN107266128B (en) | Silicate environmental barrier coating and preparation method thereof | |
| US20130149458A1 (en) | Method for applying discriminating layer onto porous ceramic filters | |
| US9506387B2 (en) | Electrically heated catalytic converter | |
| CN104177956A (en) | Preparation technique of insulating coating for automobile catalyst insulating plate | |
| JP4738414B2 (en) | Method for producing thin and dense ceramic layers | |
| RU2528919C2 (en) | Production of alkaline metal alloys and their application | |
| CN105545429B (en) | Electrical heating type catalytic converter | |
| CN105174986A (en) | Silicon carbide fiber-based magnesium oxide-alumina double-layer coating preparation method | |
| JP2008514816A (en) | Manufacturing method of hermetic crystalline mullite layer using thermal spraying method | |
| CN105316618A (en) | Technical method for spraying high-bonding-strength aluminum oxide coating in plasma spraying mode | |
| JP4884492B2 (en) | Method for forming a photocatalytic functional film | |
| RU2461534C2 (en) | Protection against wear of thermo structural part from ceramic material with ceramic matrix, coat and part thus protected | |
| CN111549308B (en) | Flame spraying construction method for mechanically mixed composite ceramic powder | |
| Huang et al. | Fabrication of novel thermal barrier coating on polymer composites via the combined sol–gel/sealing treatment process | |
| Marple et al. | Sol infiltration and heat treatment of alumina–chromia plasma-sprayed coatings | |
| Suzuki et al. | Structure control of plasma sprayed zircon coating by substrate preheating and post heat treatment | |
| JP2006051439A (en) | Photocatalyst functional coating film and its forming method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 325000 Ruian Wenzhou Zhejiang international automobile and motorcycle distribution base Applicant after: ZHEJIANG MINGBO AUTO PARTS STOCK CO., LTD. Address before: 325000 Ruian Wenzhou Zhejiang international automobile and motorcycle distribution base Applicant before: ZHEJIANG MINGBO AUTOMOBILE PARTS CO., LTD. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141203 |
|
| RJ01 | Rejection of invention patent application after publication |