CN1069334C - Rare earth elements and silicon composite thermal insulation coatings - Google Patents
Rare earth elements and silicon composite thermal insulation coatings Download PDFInfo
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- CN1069334C CN1069334C CN96101166A CN96101166A CN1069334C CN 1069334 C CN1069334 C CN 1069334C CN 96101166 A CN96101166 A CN 96101166A CN 96101166 A CN96101166 A CN 96101166A CN 1069334 C CN1069334 C CN 1069334C
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Abstract
The present invention relates to a thermal insulation coating. Rare earth and silicone resin are used as additives, a selected aluminum silicate fiber, asbestos wools and perlites are used as main materials, multiple inorganic light materials are used as fillings, the organic and inorganic additives and high-temperature glue are added, and then the thermal insulation coating is obtained. The coatings of type A, type B and type C are produced according to different purposes. The painting order is type B, type A, type C to form a coating layer of trinity during the operation. The present invention is characterized in that low thermal conductivity, notable energy saving, water resistance, aging resistance, acid and alkali resistance, inflaming retarding, no corrosion of equipment, no deterioration, strong cohesive force, high-low temperature resistance, convenient operation, material saving, and wide application; besides, the present invention can be used in a long period at the temperature of 1200 DEG C.
Description
Rare earth elements and silicon composite thermal insulation coatings of the present invention belongs to paint field.
Though thermal insulation coatings of China such as silicate thermal insulation coatings, magnesium metasilicate heat preservation coating and rare earth thermal insulation coatings grow a lot in recent years, but over-all properties is still not ideal enough, its defective is: 1, maximum operation (service) temperature is mostly in 800 ℃, life-time service coating charing at high temperature influences heat insulation effect and work-ing life.2, divided by rare earth be the thermal insulation coatings of additive, other addition material all has in various degree corrosion to equipment.Silicate thermal insulation coatings, magnesium metasilicate heat preservation coating unit dry weight are heavier, and material is hard, and thermal conductivity is bigger.The more above-mentioned two kinds of coating unit dry weights of rare earth thermal insulation coatings, thermal conductivity are slightly little, but lotion is softer, and fragile, waterproof effect is poor.Because of water-resisting agent consumption in the coating is big, the dark heat insulation effect that consequently influences of infiltration in coating.3, the rare earth thermal insulation coatings is not easy to store, deposits 2～3 months in 6～September, and promptly blackout is rotten in the lotion.
The objective of the invention is to improve the weak point of improving above thermal insulation coatings, a kind of novel fire resistant anti-aging is provided, acid and alkali-resistance protection against corrosion waterproof, unit dry weight is light, thermal conductivity is low, the thermal insulation coatings of new generation of high comprehensive performance.
The object of the present invention is achieved like this:
1, the materials of thermal insulation coatings adopt purposes identical, and the material of different in kind makes its weak point be able to complementation, and making the numerous advantages of coating collection is one, to realize purpose of the present invention.As selected perlite is light heat insulation material, is one of major ingredient.Asbestos wool, the insulation of aluminum silicate fiber tool and fibre-effects are two of major ingredient.Wilkinite is suspension agent and binding agent, is three of major ingredient.Floating pearl is the light thermal-insulating filler, infiltration of permeate agent tool and fluffing action, and 107 glue play bonding, protective colloid action.High-temp glue has high temperature bond and fire retardation.Modified expanded dose, modification aeration agent rise and expand and aeration, can make that coating is loose, inflation, produce micropore, reduce the contraction of material, strengthen heat insulation effect.
2, select rare earth silicon resin compounded additive for use.Rare earth can improve the thermal conductivity of material, the cohesive force of strongthener and performance such as high temperature resistant; Silicone resin has performances such as good high-low temperature resistant, hydrophobic, anti-aging, insulation.Polyvinyl alcohol is added rare earth, silicone resin, make additive, numerous performances such as it can reduce, and thermal conductivity, high-low temperature resistant, cohesive force are strong, hydrophobic, acid and alkali-resistance, anti-aging, anticorrosion, suspension, waterproof are the important composition of thermal insulation coatings
3, configure the coating of three kinds of tool different performances, wherein A type coating material is light, and the heat insulation effect that tool is good is the main body material.Its materials and proportioning are as follows:
Aluminum silicate fiber 5～10% high-temp glue 0.1～0.5%
Perlite 25～36% rare earth silicon resin compounded additives 0.01～0.3%
Asbestos wool 16～30% floats pearl 2～3% 107 glue 2～4%
2～4% modified expanded doses 3～5% of wilkinite 5～10% permeate agents
Modification aeration agent 15～20% water are an amount of;
Type B coating is high temperature resistant, and its materials and proportioning are:
Perlite in forming with following mixture replacing A type coating:
By ratio is 2: 2: 1: 2: 3, granularity are the mixture that perlite, coal ash, zirconia powder, high-alumina cement, the refractory mortar of 1～2mm formed, and all the other are formed with A type coating;
C type coating density is big, material is hard, and top layer protection and waterproof action are good, and its materials and proportioning are:
Perlite in forming with following mixture replacing A type coating:
By ratio is the mixture that 5: 3: 2 400# cement, semi-hydrated gypsum, lime powder formed, and all the other are formed with A type coating;
Wherein rare earth silicon resin compounded additive be by the water-solubility rare-earth inorganic salt with after polyvinyl alcohol mixes, be composited with the ratio of water-soluble modified silicone resin again in 9: 1, the addition of rare earth accounts for 0.05% of rare earth silicon resin additive amount;
Wherein the modification aeration agent is to add the in addition modification of 107 glue, rare earth silicon resin compounded additive in sodium abietate, and its three's proportioning is 3: 3: 4;
Wherein modified expanded dose is to add the in addition modification of calcium lime powder and vermiculite power in former sulphoaluminate expander, and its three's proportioning is 4: 2: 4.
A type coating, Type B coating, the different making method of C type coating: A type coating 1, immersion
Feed intake by material rate shown in the above-mentioned A type coating technology scheme, selected aluminum silicate fiber is inserted water soaked 12 hours with mixing in the liquid pool of permeate agent, the ratio of water and permeate agent is 3: 1.2, slurrying
Aluminum silicate fiber after immersion loosened moves in the agitated pool, add the 550KG tap water, add asbestos wool, wilkinite after the start according to the above ratio continuously, float pearl, modified expanded dose, stirred 30 minutes, add modification aeration agent, perlite stirring 15 minutes, add high-temp glue and stirred 5 minutes, add additive and stirred 10 minutes, add 107 glue and stirred 20 minutes, all material are thoroughly mixed, be foamed into pasty state, and pH value is transferred to neutrality, then inspection by sampling.Additive is mixed with polyvinyl alcohol by the water-solubility rare-earth inorganic salt, is composited with the ratio of water-soluble modified silicone resin in 9: 1 again.The modification aeration agent is to add the in addition modification of 107 glue, rare earth silicon resin compounded additive in sodium abietate, and its three's ratio is 3: 3: 4.Modified expanded dose is to add the in addition modification of calcium lime powder and vermiculite power in former sulphoaluminate expander, and its three's proportioning is 4: 2: 4.3, froth breaking
To leave standstill 24 hours in the immigration of the pasty state slurry in the agitated pool froth breaking pond, can make A type thermal insulation coatings this moment.Type B coating
Feed intake by material rate shown in the above-mentioned Type B coating technology scheme, the making method of immersion, slurrying is same as A type coating.In the slurry that is foamed into pasty state in 2: 2: 1: the granularity that 2: 3 ratio adds through screening is perlite, coal ash, zirconia powder, high-alumina cement, the refractory mortar of 1～2mm, stir into uniform clay shape, pasty state, left standstill 24 hours, can make the Type B thermal insulation coatings this moment.C type coating
Feed intake by material rate shown in the above-mentioned C type coating technology scheme, the making method of immersion, slurrying is same as A type coating.Ratio in 5: 3: 2 in the slurry that is foamed into pasty state adds 400 cement, semi-hydrated gypsum, lime powder, stirs into pasty state and gets final product.
With the sequential applications of three kinds of coating, thereby form Trinitarian coating, coating is integrated functions as one, produce tangible heat preservation and energy conservation effects by inner layer B type, middle level A type, extexine C type.
Fig. 1 is an A type coating process schema of the present invention
Below in conjunction with accompanying drawing in detail one embodiment of the present of invention are described in detail.
Preparation A type coating, its materials and proportioning are as follows:
Aluminum silicate fiber 20KG high-temp glue 2KG
Perlite 57KG rare earth silicon resin compounded additive 0.5KG
Asbestos wool 40KG floats pearl 6KG 107 glue 6KG
Modified expanded dose of 7KG of wilkinite 20KG permeate agent 7KG
Modification aeration agent 33.5KG water is an amount of;
Preparation Type B coating, its materials and proportioning are:
Perlite in forming with following mixture replacing A type coating:
By ratio is 2: 2: 1: 2: 3, granularity are the mixture that perlite, coal ash, zirconia powder, high-alumina cement, the refractory mortar of 1～2mm formed, and all the other are formed with A type coating;
Preparation C type coating, its materials and proportioning are:
Perlite in forming with following mixture replacing A type coating:
By ratio is the mixture that 5: 3: 2 400# cement, semi-hydrated gypsum, lime powder formed, and all the other are formed with A type coating;
In the above-mentioned materials, rare earth silicon resin compounded additive be by the water-solubility rare-earth inorganic salt with after polyvinyl alcohol mixes, be composited with the ratio of water-soluble modified silicone resin again in 9: 1, the addition of rare earth accounts for 0.05% of rare earth silicon resin additive amount;
The modification aeration agent is to add the in addition modification of 107 glue, rare earth silicon resin compounded additive in sodium abietate, and its three's proportioning is 3: 3: 4;
Modified expanded dose is to add the in addition modification of calcium lime powder and vermiculite power in former sulphoaluminate expander, and its three's proportioning is 4: 2: 4.Manufacture A type coating 1, soak
Feed intake by material rate shown in the above-mentioned A type coating technology scheme, selected aluminum silicate fiber is inserted water soaked 12 hours with mixing in the liquid pool of permeate agent, the ratio of water and permeate agent is 3: 1.2, slurrying
Aluminum silicate fiber after immersion loosened moves in the agitated pool, add the 550KG tap water, add asbestos wool, wilkinite after the start according to the above ratio continuously, float pearl, modified expanded dose, stirred 30 minutes, add modification aeration agent, perlite stirring 15 minutes, add high-temp glue and stirred 5 minutes, add additive and stirred 10 minutes, add 107 glue and stirred 20 minutes, all material are thoroughly mixed, be foamed into pasty state, and pH value is transferred to neutrality, then inspection by sampling.Additive is mixed with polyvinyl alcohol by the water-solubility rare-earth inorganic salt, is composited with the ratio of water-soluble modified silicone resin in 9: 1 again.The modification aeration agent is to add the in addition modification of 107 glue, rare earth silicon resin compounded additive in sodium abietate, and its three's ratio is 3: 3: 4.Modified expanded dose is to add the in addition modification of calcium lime powder and vermiculite power in former sulphoaluminate expander, and its three's proportioning is 4: 2: 4.3, froth breaking
To leave standstill 24 hours in the immigration of the pasty state slurry in the agitated pool froth breaking pond, can make A type thermal insulation coatings this moment.Manufacture Type B coating
Feed intake by material rate shown in the above-mentioned Type B coating technology scheme, the making method of immersion, slurrying is same as A type coating.In the slurry that is foamed into pasty state in 2: 2: 1: the granularity that 2: 3 ratio adds through screening is perlite, coal ash, zirconia powder, high-alumina cement, the refractory mortar of 1～2mm, stir into uniform clay shape, pasty state, left standstill 24 hours, can make the Type B thermal insulation coatings this moment.Manufacture C type coating
Feed intake by material rate shown in the above-mentioned C type coating technology scheme, the making method of immersion, slurrying is same as A type coating.Ratio in 5: 3: 2 in the slurry that is foamed into pasty state adds 400# cement, semi-hydrated gypsum, lime powder, stirs into pasty state and gets final product.
During construction, earlier the equipment top layer is removed totally, Type B coating is spread upon on the equipment, coat-thickness is decided according to device temperature: being 1～3mm in the time of 100～350 ℃, is 4～8mm in the time of 350～800 ℃, is 8～20mm in the time of 800～1200 ℃.Treat after the coating drying A type coating to be spread upon on the Type B dope layer, coat-thickness is decided according to device temperature: 100 ℃ of the every increases of device temperature, coat-thickness increases 6mm.Treat after the coating drying C type coating to be spread upon on the A type dope layer, coat-thickness is 1～2mm.When outdoor facility was constructed, brushing one deck water-resisting agent was advisable on C type dope layer.
The present invention directly spreads upon Type B coating on the equipment, and A type coating spreads upon on the Type B bed of material, at last C type coating is applied on the A type dope layer, forms the trisome unification.B, C type coating material is hard, density is big, and A type coating is more loose, is rich in certain elasticity, and thermal conductivity is 0.091 in the time of 350 ℃, and it is in a kind of vacuum band of relative closure, thereby produces positive heat insulation effect, obvious energy conservation.Its construction is simple, and materials are economized, and have exempted materials such as alumina silicate fiber felt, rock wool, refractory brick, iron sheet are used in traditional insulation in the time of 1000～1200 ℃ loaded down with trivial details technology, reduce expenses.The coating unit dry weight is light, and is nontoxic, pollution-free, do not produce new dirty source, not etching apparatus.Fire-retardant, acid and alkali-resistance, anti-aging, good water-proof effect.Appearance is smooth, ventilative, attractive in appearance.Can be widely used in the construction work such as insulation, sound insulation, waterproof, fire prevention of multiple industry.
Claims (1)
1, a kind of rare earth elements and silicon composite thermal insulation coatings, its materials are by aluminum silicate fiber, asbestos wool, perlite, float pearl, wilkinite, modified expanded dose, high-temp glue, 107 glue, permeate agent, the modification aeration agent, the additive that the rare earth silicon resin compounded forms, the coal ash, zirconia powder, high-alumina cement, refractory mortar, 400# cement, semi-hydrated gypsum, lime powder, water is formed, through soaking a pulping process flow, make A, B, three kinds of different thermal insulation coatings of performance of C type, by the inner layer B type, middle level A type, the sequential applications of outer C type, form the complex heat-preservation coating of trisome unification
Wherein A type system component is:
Aluminum silicate fiber 5～10% high-temp glue 0.1～0.5%
Perlite 25～36% rare earth silicon resin compounded additives 0.01～0.3%
Asbestos wool 16～30% floats pearl 2～3% 107 glue 2～4%
2～4% modified expanded doses 3～5% of wilkinite 5～10% permeate agents
Modification aeration agent 15～20% water are an amount of;
The Type B system component is:
Perlite in forming with following mixture replacing A type coating:
By ratio is 2: 2: 1: 2: 3, granularity are the mixture that perlite, coal ash, zirconia powder, high-alumina cement, the refractory mortar of 1～2mm formed, and all the other are formed with A type coating;
C type system component is:
Perlite in forming with following mixture replacing A type coating:
By ratio is the mixture that 5: 3: 2 400# cement, semi-hydrated gypsum, lime powder formed, and all the other are formed with A type coating;
Wherein rare earth silicon resin compounded additive be by the water-solubility rare-earth inorganic salt with after polyvinyl alcohol mixes, be composited with the ratio of water-soluble modified silicone resin again in 9: 1, the addition of rare earth accounts for 0.05% of rare earth silicon resin additive amount;
Wherein the modification aeration agent is to add the in addition modification of 107 glue, rare earth silicon resin compounded additive in sodium abietate, and its three's proportioning is 3: 3: 4;
Wherein modified expanded dose is to add the in addition modification of calcium lime powder and vermiculite power in former sulphoaluminate expander, and its three's proportioning is 4: 2: 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96101166A CN1069334C (en) | 1996-02-28 | 1996-02-28 | Rare earth elements and silicon composite thermal insulation coatings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96101166A CN1069334C (en) | 1996-02-28 | 1996-02-28 | Rare earth elements and silicon composite thermal insulation coatings |
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| Publication Number | Publication Date |
|---|---|
| CN1148072A CN1148072A (en) | 1997-04-23 |
| CN1069334C true CN1069334C (en) | 2001-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96101166A Expired - Fee Related CN1069334C (en) | 1996-02-28 | 1996-02-28 | Rare earth elements and silicon composite thermal insulation coatings |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094080A (en) * | 1993-04-16 | 1994-10-26 | 朱惠臣 | Insulating rare earth composite coatings and production technique thereof |
| CN1101361A (en) * | 1993-10-08 | 1995-04-12 | 张振英 | Rare-earth additive used for heat insulating materials |
| CN1101898A (en) * | 1993-10-19 | 1995-04-26 | 张振英 | Rare-earth composite heat insulation material |
| CN1113259A (en) * | 1994-02-23 | 1995-12-13 | 张振英 | Quick-drying (rare earth) compound water-proof thermal-insulation coating |
-
1996
- 1996-02-28 CN CN96101166A patent/CN1069334C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094080A (en) * | 1993-04-16 | 1994-10-26 | 朱惠臣 | Insulating rare earth composite coatings and production technique thereof |
| CN1101361A (en) * | 1993-10-08 | 1995-04-12 | 张振英 | Rare-earth additive used for heat insulating materials |
| CN1101898A (en) * | 1993-10-19 | 1995-04-26 | 张振英 | Rare-earth composite heat insulation material |
| CN1113259A (en) * | 1994-02-23 | 1995-12-13 | 张振英 | Quick-drying (rare earth) compound water-proof thermal-insulation coating |
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| Publication number | Publication date |
|---|---|
| CN1148072A (en) | 1997-04-23 |
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