CN104926352A - Compound modified fly ash-carbonized foam phenolic resin based thermal insulation material for forklift engine exhaust pipe, and preparation method of thermal insulation material - Google Patents
Compound modified fly ash-carbonized foam phenolic resin based thermal insulation material for forklift engine exhaust pipe, and preparation method of thermal insulation material Download PDFInfo
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- CN104926352A CN104926352A CN201510305248.3A CN201510305248A CN104926352A CN 104926352 A CN104926352 A CN 104926352A CN 201510305248 A CN201510305248 A CN 201510305248A CN 104926352 A CN104926352 A CN 104926352A
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Abstract
The invention relates to an exhaust pipe used thermal insulation material, in particular to a compound modified fly ash-carbonized foam phenolic resin based thermal insulation material for a forklift engine exhaust pipe, and a preparation method of the thermal insulation material. During the preparation process, phenolic resin doped with mesocarbon microbeads is firstly subjected to foaming treatment during the preparation process, so that the prepared modified phenolic resin foam powder is more efficient in the follow-up carbonization process, and the carbonized material is compact in structure, higher in strength, and lower in heat conductivity coefficient; the compound fly ash adhesive containing nano zirconia sol is not only good in adhesive capability and ensures good adhesion among materials, but also improves the thermal insulation effect of the material after high-temperature treatment and increases the compactness of the material. The compound material provided by the invention has the advantages of light weight, thermal insulation, high strength and the like; insulation plates, insulation covers and other finished products prepared by using the compound material are excellent in thermal insulation effect, efficient and durable, and effectively improve the working environment of the forklift engine.
Description
Technical field
The present invention relates to vapor pipe lagging material, be specifically related to the composite modified flyash of a kind of forklift engine vapor pipe-charing foamed phenolic resin base lagging material and preparation method thereof.
Background technology
In the continuous operational process of fork truck, exhaust pipe of engine position can produce a large amount of heat, due to the circulation of heat, finally make Tail Pipe Temperature high, if do not carry out the normal work that heat insulation process will certainly badly influence exhaust system surrounding components, common treatment process is outside vapor pipe, wrap up the insulation plate be made up of the material with effect of heat insulation, the common lagging material of composition insulation plate mainly comprises metal aluminum sheet and woven asbesto, glasscloth etc., but there are some shortcomings in these materials, although such as aluminum effect of heat insulation is better, but production cost is relatively high, unit elongation is limited, and woven asbesto, it is short to there is work-ing life in glasscloth, fragile, inadequate environmental protection, need the shortcomings such as frequent repair and replacement, therefore the more efficient composite heat-insulated material of development one class is badly in need of.
Summary of the invention
The object of the invention is to, the composite modified flyash of a kind of forklift engine vapor pipe-charing foamed phenolic resin base lagging material and preparation method thereof is provided, to improve the defect of traditional insulation materials, reach efficient, environmental protection, economic effect of heat insulation, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of forklift engine vapor pipe composite modified flyash-charing foamed phenolic resin base lagging material, it is characterized in that, material of the present invention is made up of the raw material of following weight part: cenosphere 3-5, flyash 5-8, solid content are nano zirconium dioxide colloidal sol 12-15, the aluminium powder 5-6 of 25-30%, resol 30-40, aluminium triphosphate 1-2, MCMB 4-5, degree Beaume are 40 ° water glass 16-20, sodium laurylsulfonate 0.1-0.2, sodium bicarbonate 0.2-0.3, water 20-25.
The preparation method of the described composite modified flyash of a kind of forklift engine vapor pipe-charing foamed phenolic resin base lagging material, it is characterized in that, its preparation method is as follows:
(1) modified phenolic resins foam micro mist is prepared: dropped into by resol in organic solvent, it is made to dissolve completely, subsequently MCMB is dropped in solution, abundant stirring makes it be uniformly dispersed in the solution, subsequently mixture is carried out foaming process, make modification foam resin, then modified phenolic resins foam is pulverized, making particle diameter is 300-400 object micro mist, to obtain final product;
(2) composite fly ash sizing agent is prepared: by flyash and water mixed grinding 40-50min, mixed with water glass, nano zirconium dioxide colloidal sol by gained slurry subsequently, continue to be uniformly mixed, obtain composite fly ash sizing agent;
(3) modified phenolic resins foam micro mist is mixed with composite fly ash sizing agent and other remaining component; mix rear feeding and enter compression moulding in mould; again gained model is sent in charring furnace; using nitrogen as shielding gas; with the ramp of 5-8 DEG C/min to 700-800 DEG C, constant temperature 1-1.5h when reaching top temperature, takes out after being cooled to room temperature under nitrogen atmosphere after charing terminates; carry out subsequently cutting, packing, obtain described lagging material.
First to blending, the resol of MCMB to carry out foaming process in the present invention, the modified phenolic resins foam powder carbonization process in follow-up carbonization process prepared like this is more efficient, carbonated material structure is compacted, intensity is higher, thermal conductivity is lower, and the composite fly ash sizing agent containing nano zirconium dioxide colloidal sol not only has good cementability, ensure that good bonding between each raw material, yet further enhances the heat insulation and preservation effect of material after pyroprocessing, improve the density of material.This matrix material has the advantages such as lightweight, heat insulation, high strength, and the finished thermal insulation effects such as the thermal baffle prepared with this material, collet are remarkable, and highly efficient durable, effectively improves forklift engine Working environment.
Embodiment
Embodiment
The lagging material of the present embodiment is made up of following raw material: water glass 18, sodium laurylsulfonate 0.1, sodium bicarbonate 0.2, water 24 that the nano zirconium dioxide colloidal sol 14 that cenosphere 4, flyash 6, solid content are 25%, aluminium powder 5, resol 35, aluminium triphosphate 1.5, MCMB 4.5, degree Beaume are 40 °.
The preparation method of the described composite modified flyash of a kind of forklift engine vapor pipe-charing foamed phenolic resin base lagging material is as follows:
(1) modified phenolic resins foam micro mist is prepared: dropped into by resol in organic solvent, it is made to dissolve completely, subsequently MCMB is dropped in solution, abundant stirring makes it be uniformly dispersed in the solution, subsequently mixture is carried out foaming process, make modification foam resin, then modified phenolic resins foam is pulverized, making particle diameter is 300 object micro mists, to obtain final product;
(2) composite fly ash sizing agent is prepared: by flyash and water mixed grinding 400min, mixed with water glass, nano zirconium dioxide colloidal sol by gained slurry subsequently, continue to be uniformly mixed, obtain composite fly ash sizing agent;
(3) modified phenolic resins foam micro mist is mixed with composite fly ash sizing agent and other remaining component; mix rear feeding and enter compression moulding in mould; again gained model is sent in charring furnace; using nitrogen as shielding gas; with the ramp to 750 DEG C of 8 DEG C/min, constant temperature 1.4h when reaching top temperature, takes out after being cooled to room temperature under nitrogen atmosphere after charing terminates; carry out subsequently cutting, packing, obtain described lagging material.
It is as follows that material obtained by the present embodiment tests according to relevant criterion the performance index obtained:
Density: 0.86g/cm
3; Porosity 46%; Ultimate compression strength 26.2MPa; Thermal conductivity 0.093W/(m.k), engine room medial temperature reduces by 32.2 DEG C.
Claims (2)
1. the composite modified flyash of forklift engine vapor pipe-charing foamed phenolic resin base lagging material, it is characterized in that, this lagging material is made up of the raw material of following weight part: cenosphere 3-5, flyash 5-8, solid content are nano zirconium dioxide colloidal sol 12-15, the aluminium powder 5-6 of 25-30%, resol 30-40, aluminium triphosphate 1-2, MCMB 4-5, degree Beaume are 40 ° water glass 16-20, sodium laurylsulfonate 0.1-0.2, sodium bicarbonate 0.2-0.3, water 20-25.
2. the preparation method of the composite modified flyash of a kind of forklift engine vapor pipe as claimed in claim 1-charing foamed phenolic resin base lagging material, it is characterized in that, described preparation method is as follows:
(1) modified phenolic resins foam micro mist is prepared: dropped into by resol in organic solvent, it is made to dissolve completely, subsequently MCMB is dropped in solution, abundant stirring makes it be uniformly dispersed in the solution, subsequently mixture is carried out foaming process, make modification foam resin, then modified phenolic resins foam is pulverized, making particle diameter is 300-400 object micro mist, to obtain final product;
(2) composite fly ash sizing agent is prepared: by flyash and water mixed grinding 40-50min, mixed with water glass, nano zirconium dioxide colloidal sol by gained slurry subsequently, continue to be uniformly mixed, obtain composite fly ash sizing agent;
(3) modified phenolic resins foam micro mist is mixed with composite fly ash sizing agent and other remaining component; mix rear feeding and enter compression moulding in mould; again gained model is sent in charring furnace; using nitrogen as shielding gas; with the ramp of 5-8 DEG C/min to 700-800 DEG C, constant temperature 1-1.5h when reaching top temperature, takes out after being cooled to room temperature under nitrogen atmosphere after charing terminates; carry out subsequently cutting, packing, obtain described lagging material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305248.3A CN104926352A (en) | 2015-06-04 | 2015-06-04 | Compound modified fly ash-carbonized foam phenolic resin based thermal insulation material for forklift engine exhaust pipe, and preparation method of thermal insulation material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510305248.3A CN104926352A (en) | 2015-06-04 | 2015-06-04 | Compound modified fly ash-carbonized foam phenolic resin based thermal insulation material for forklift engine exhaust pipe, and preparation method of thermal insulation material |
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| CN104926352A true CN104926352A (en) | 2015-09-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428785A (en) * | 2008-12-12 | 2009-05-13 | 中国科学院山西煤炭化学研究所 | Method for producing phenolic resin based foam carbon with secondary curing method |
| CN101927996A (en) * | 2010-07-30 | 2010-12-29 | 广州有色金属研究院 | Method for preparing pitch-based foam carbon |
| CN102040364A (en) * | 2010-10-28 | 2011-05-04 | 中国科学院新疆理化技术研究所 | Water-resistant vermiculite insulation board and preparation method thereof |
| CN102838770A (en) * | 2012-09-10 | 2012-12-26 | 山东圣泉化工股份有限公司 | Preparation method of phenolic foam boards |
| CN102898118A (en) * | 2012-10-25 | 2013-01-30 | 中国地质大学（北京） | Coal ash reinforced foam carbon material and preparation method thereof |
-
2015
- 2015-06-04 CN CN201510305248.3A patent/CN104926352A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428785A (en) * | 2008-12-12 | 2009-05-13 | 中国科学院山西煤炭化学研究所 | Method for producing phenolic resin based foam carbon with secondary curing method |
| CN101927996A (en) * | 2010-07-30 | 2010-12-29 | 广州有色金属研究院 | Method for preparing pitch-based foam carbon |
| CN102040364A (en) * | 2010-10-28 | 2011-05-04 | 中国科学院新疆理化技术研究所 | Water-resistant vermiculite insulation board and preparation method thereof |
| CN102838770A (en) * | 2012-09-10 | 2012-12-26 | 山东圣泉化工股份有限公司 | Preparation method of phenolic foam boards |
| CN102898118A (en) * | 2012-10-25 | 2013-01-30 | 中国地质大学（北京） | Coal ash reinforced foam carbon material and preparation method thereof |
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Application publication date: 20150923 |