CN106747220A - Application of the aerogel insulating material to heat preservation of refrigeration storage - Google Patents
Application of the aerogel insulating material to heat preservation of refrigeration storage Download PDFInfo
- Publication number
- CN106747220A CN106747220A CN201611089420.7A CN201611089420A CN106747220A CN 106747220 A CN106747220 A CN 106747220A CN 201611089420 A CN201611089420 A CN 201611089420A CN 106747220 A CN106747220 A CN 106747220A
- Authority
- CN
- China
- Prior art keywords
- insulating material
- aerogel
- heat preservation
- refrigeration storage
- application
- 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
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
Abstract
A kind of application the invention discloses aerogel insulating material to heat preservation of refrigeration storage, it is comprised the following steps：Need frosted to process metope first, then aerogel insulating material is sprayed on freezer wall；Wherein, the thermal insulation coatings include following component：Sodium silicate 10 30%, short glass fiber long 15 30%, dispersant 0.5 10%, latex powder 1 5%, tackifier 1 5%, levelling agent 1 5%, filler 1 5%, aerosil 5 20%, white carbon 5 20%, aerogel powder 5 20%, deionized water 20 50%.Frosted is needed to process by metope, aerogel insulating material is sprayed on freezer wall again, form coating thermal insulation layer, the thermal conductivity factor of the coating thermal insulation layer in 30mW/ (mK) below, anti-flammability is good, thickness is the 1/2 or thinner of original traditional thickness of wall body, and the energy consumption cost of freezer reduces by 1/4 or more, and adhesive force is strong.
Description
Technical field
The present invention relates to be related to a kind of heat-insulating material, heat preservation of refrigeration storage is answered more particularly, to a kind of aerogel insulating material
With.
Background technology
Traditional heat preservation of refrigeration storage material is foamed gypsum wall, can be that material is used in zubzero temperature, and its wall has easily
The danger of combustion, and wall is blocked up, reduces effective usable floor area of freezer, and still further aspect, its thermal conductivity factor is higher, increases
Freezer energy consumption cost.
The content of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, propose that a kind of thermal conductivity factor is low and anti-flammability is good, adhere to
A kind of application of the strong aerogel insulating material of power to heat preservation of refrigeration storage.
To reach above-mentioned technical purpose, technical scheme provides a kind of aerogel insulating material to heat preservation of refrigeration storage
Using it is comprised the following steps：Need frosted to process metope first, then aerogel insulating material is sprayed on freezer wall
On；
Wherein, the thermal insulation coatings include following component：
Preferably, the modulus of the sodium silicate is 1.0-3.5mm.
Preferably, the fiberglass size size is：In 6-15um, length is 0.2-5mm to diameter.
Preferably, the dispersant is Tween 80, dodecyl sodium sulfate, one or more mixing in span 40.
Preferably, the density of the aerosil is 20-80kg/m3, granularity is 1-100um.
Preferably, the density of the white carbon is 100Kg-200Kg/m3, granularity is 1-100um.
Preferably, the density of the aerogel powder is 60-100KgKg/m3, granularity is 10-500um.
Preferably, the preparation method of the aerogel insulating material is comprised the following steps：
1) get the raw materials ready in mass ratio：Sodium silicate 10-30%, short glass fiber 15-30% long, dispersant 0.5-10%, latex powder 1-
5%th, tackifier 1-5%, levelling agent 1-5%, filler 1-5%, aerosil 5-20%, white carbon 5-20%, aeroge
Powder 5-20%, deionized water 20-50%；
2) it is stirred in sodium silicate and deionized water being added into sealing agitator tank, mixture A is obtained after stirring；
3) add short glass fiber long to be stirred in mixture A, be uniformly mixing to obtain mixture B；
4) dispersant, latex powder, tackifier, levelling agent, filler, aerosil, white is sequentially added in mixture B
Carbon black, aerogel powder, it is ensured that before a kind of material under addition, former material has stirred, and sealing agitator tank
Mixing speed remains 1500~1800rad/min, continues to be uniformly mixing to obtain the aerogel heat-insulating for heat preservation of refrigeration storage
Material.
Application of the aerogel insulating material of the present invention to heat preservation of refrigeration storage, it needs frosted to process by metope, then
Aerogel insulating material is sprayed on freezer wall, coating thermal insulation layer is formed, the thermal conductivity factor of the coating thermal insulation layer exists
Below, anti-flammability is good for 30mW/ (mK), and thickness is the 1/2 or thinner of original traditional thickness of wall body, the energy consumption cost drop of freezer
It is low by 1/4 or more, and sprayed to aerogel heat-insulating material on freezer wall by the way of spraying, form coating thermal insulation layer, behaviour
Make very simple, adhesive force strong, be less prone to come off, the phenomenon such as scaling.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, it is right
Embodiment 1：
The embodiment of the present invention 1 provides a kind of application of aerogel insulating material to heat preservation of refrigeration storage, and it is comprised the following steps：It is first
First need frosted to process metope, then aerogel insulating material is sprayed on freezer wall；
Wherein, the thermal insulation coatings include following component：Sodium silicate 10%, short glass fiber long 15%, Tween 80 0.5%, breast
Rubber powder 1%, tackifier 1%, levelling agent 1%, filler 1%, aerosil 5%, white carbon 20%, aerogel powder
20%th, deionized water 25.5%.
Specifically, the modulus of the sodium silicate is 1.0-3.5mm；The fiberglass size size is：Diameter is in 6-
15um, length is 0.2-5mm；The density of the aerosil is 20-80kg/m3, granularity is 1-100um；The hard charcoal
Black density is 100Kg-200Kg/m3, granularity is 1-100um；The density of the aerogel powder is 60-100KgKg/m3, grain
It is 10-500um to spend.
The preparation method of the thermal insulation coatings is comprised the following steps：
1) get the raw materials ready in mass ratio：Sodium silicate 10%, short glass fiber long 15%, Tween 80 0.5%, latex powder 1%, tackifier
1%th, levelling agent 1%, filler 1%, aerosil 5%, white carbon 20%, aerogel powder 20%, deionized water
25.5%；
2) it is stirred in sodium silicate and deionized water being added into sealing agitator tank, mixture A is obtained after stirring；
3) add short glass fiber long to be stirred in mixture A, be uniformly mixing to obtain mixture B；
4) Tween 80, latex powder, tackifier, levelling agent, filler, aerosil, white is sequentially added in mixture B
Carbon black, aerogel powder, it is ensured that before a kind of material under addition, former material has stirred, and sealing agitator tank
Mixing speed remains 1500~1800rad/min, continues to be uniformly mixing to obtain the aerogel heat-insulating for heat preservation of refrigeration storage
Material.
Experimental data
Obtained aerogel insulating material in the embodiment is coated on freezer wall, its paint thickness is 2mm, through inspection
Survey thermal conductivity factor is 20mW/ (mK), film ablation balance of 98%, air penetrability：≥12mm/s；Moisture content≤2%；It is fire-retardant etc.
Level：B1 grades.
Embodiment 2：
The embodiment of the present invention 2 provides a kind of application of aerogel insulating material to heat preservation of refrigeration storage, and it is comprised the following steps：It is first
First need frosted to process metope, then aerogel insulating material is sprayed on freezer wall；
Wherein, the thermal insulation coatings include following component：Sodium silicate 30%, short glass fiber long 30%, dodecyl sodium sulfate
0.5%th, latex powder 1%, tackifier 1%, levelling agent 1%, filler 1%, aerosil 5%, white carbon 5%, aeroge
Powder 5%, deionized water 20.5%.
The preparation method of the thermal insulation coatings is comprised the following steps：
1) get the raw materials ready in mass ratio：Sodium silicate 30%, short glass fiber long 30%, dodecyl sodium sulfate 0.5%, latex powder 1%,
Tackifier 1%, levelling agent 1%, filler 1%, aerosil 5%, white carbon 5%, aerogel powder 5%, deionized water
20.5%；
2) it is stirred in sodium silicate and deionized water being added into sealing agitator tank, mixture A is obtained after stirring；
3) add short glass fiber long to be stirred in mixture A, be uniformly mixing to obtain mixture B；
4) dodecyl sodium sulfate, latex powder, tackifier, levelling agent, filler, gas phase two are sequentially added in mixture B
Silica, white carbon, aerogel powder, it is ensured that before a kind of material under addition, former material has stirred, and sealing
The mixing speed of agitator tank remains 1500~1800rad/min, continues to be uniformly mixing to obtain the gas for heat preservation of refrigeration storage
Gel heat-insulating material.
Experimental data
Obtained aerogel insulating material in the embodiment is coated on freezer wall, its paint thickness is 2.5mm, warp
Detection thermal conductivity factor is 15mW/ (mK), film ablation balance of 99%, air penetrability：≥10mm/s；Moisture content≤2.5%；Resistance
Combustion grade：B1 grades.
Embodiment 3：
The embodiment of the present invention 3 provides a kind of application of aerogel insulating material to heat preservation of refrigeration storage, and it is comprised the following steps：It is first
First need frosted to process metope, then aerogel insulating material is sprayed on freezer wall；
Wherein, the thermal insulation coatings include following component：Sodium silicate 12%, short glass fiber long 18%, span 40 10%, latex
Powder 2%, tackifier 3%, levelling agent 3%, filler 2%, aerosil 20%, white carbon 5%, aerogel powder 5%, go
Ionized water 20%.
The preparation method of the thermal insulation coatings is comprised the following steps：
1) get the raw materials ready in mass ratio：Sodium silicate 12%, short glass fiber long 18%, span 40 10%, latex powder 2%, tackifier
3%th, levelling agent 3%, filler 2%, aerosil 20%, white carbon 5%, aerogel powder 5%, deionized water 20%；
2) it is stirred in sodium silicate and deionized water being added into sealing agitator tank, mixture A is obtained after stirring；
3) add short glass fiber long to be stirred in mixture A, be uniformly mixing to obtain mixture B；
4) Tween 80, latex powder, tackifier, levelling agent, filler, aerosil, white is sequentially added in mixture B
Carbon black, aerogel powder, it is ensured that before a kind of material under addition, former material has stirred, and sealing agitator tank
Mixing speed remains 1500~1800rad/min, continues to be uniformly mixing to obtain the aerogel heat-insulating for heat preservation of refrigeration storage
Material.
Experimental data
Obtained aerogel insulating material in the embodiment is coated on freezer wall, its paint thickness is 1.5mm, warp
Detection thermal conductivity factor is 23mW/ (mK), film ablation balance of 97%, air penetrability：≥9mm/s；Moisture content≤1%；It is fire-retardant
Grade：B1 grades.
Embodiment 4：
The embodiment of the present invention 4 provides a kind of application of aerogel insulating material to heat preservation of refrigeration storage, and it is comprised the following steps：It is first
First need frosted to process metope, then aerogel insulating material is sprayed on freezer wall；
Wherein, the thermal insulation coatings include following component：Sodium silicate 10%, short glass fiber long 15%, dispersant 5%, latex
Powder 3%, tackifier 2%, levelling agent 2%, filler 3%, aerosil 10%, white carbon 10%, aerogel powder 15%,
Deionized water 25%.
The preparation method of the thermal insulation coatings is comprised the following steps：
1) get the raw materials ready in mass ratio：Sodium silicate 10%, short glass fiber long 15%, dispersant 5%, latex powder 3%, tackifier 2%,
Levelling agent 2%, filler 3%, aerosil 10%, white carbon 10%, aerogel powder 15%, deionized water 25%；
2) it is stirred in sodium silicate and deionized water being added into sealing agitator tank, mixture A is obtained after stirring；
3) add short glass fiber long to be stirred in mixture A, be uniformly mixing to obtain mixture B；
4) Tween 80, latex powder, tackifier, levelling agent, filler, aerosil, white is sequentially added in mixture B
Carbon black, aerogel powder, it is ensured that before a kind of material under addition, former material has stirred, and sealing agitator tank
Mixing speed remains 1500~1800rad/min, continues to be uniformly mixing to obtain the aerogel heat-insulating for heat preservation of refrigeration storage
Material.
Experimental data
Obtained aerogel insulating material in the embodiment is coated on freezer wall, its paint thickness is 2mm, through inspection
Survey thermal conductivity factor is 18mW/ (mK), film ablation balance of 97%, air penetrability：≥11mm/s；Moisture content≤2%；It is fire-retardant etc.
Level：B1 grades.
Application of the aerogel insulating material of the present invention to heat preservation of refrigeration storage, it needs frosted to process by metope, then
Aerogel insulating material is sprayed on freezer wall, coating thermal insulation layer is formed, the thermal conductivity factor of the coating thermal insulation layer exists
Below, anti-flammability is good for 30mW/ (mK), and thickness is the 1/2 or thinner of original traditional thickness of wall body, the energy consumption cost drop of freezer
It is low by 1/4 or more, and sprayed to aerogel heat-insulating material on freezer wall by the way of spraying, form coating thermal insulation layer, behaviour
Make very simple, adhesive force strong, be less prone to come off, the phenomenon such as scaling.
The specific embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis
Various other corresponding change and deformation that technology design of the invention is made, should be included in the guarantor of the claims in the present invention
In the range of shield.
Claims (8)
1. application of a kind of aerogel insulating material to heat preservation of refrigeration storage, it is characterised in that comprise the following steps：Metope is needed first
Want frosted to process, then aerogel insulating material is sprayed on freezer wall；
Wherein, the thermal insulation coatings include following component：
2. application of the aerogel insulating material to heat preservation of refrigeration storage according to claim 1, it is characterised in that the sodium silicate
Modulus is 1.0-3.5.
3. application of the aerogel insulating material to heat preservation of refrigeration storage according to claim 1, it is characterised in that the glass fibre
Specification is：In 6-15um, length is 0.2-5mm to diameter.
4. application of the aerogel insulating material to heat preservation of refrigeration storage according to claim 1, it is characterised in that the dispersant is
Tween 80, dodecyl sodium sulfate, one or more mixing in span 40.
5. application of the aerogel insulating material to heat preservation of refrigeration storage according to claim 1, it is characterised in that the gas phase dioxy
The density of SiClx is 20-80kg/m3, granularity is 1-100um.
6. application of the aerogel insulating material to heat preservation of refrigeration storage according to claim 1, it is characterised in that the white carbon
Density is 100Kg-200Kg/m3, granularity is 1-100um.
7. application of the aerogel insulating material to heat preservation of refrigeration storage according to claim 1, it is characterised in that the airsetting rubber powder
The density of body is 60-100KgKg/m3, granularity is 10-500um.
8. application of the aerogel insulating material to heat preservation of refrigeration storage according to claim 1, it is characterised in that the aeroge is exhausted
The preparation method of hot material is comprised the following steps：
1) get the raw materials ready in mass ratio：Sodium silicate 10-30%, short glass fiber 20-30% long, dispersant 0.5-10%, latex powder 1-10%,
Tackifier 1-10%, levelling agent 1-10%, filler 1-10%, aerosil 5-20%, white carbon 5-20%, airsetting rubber powder
Body 5-20%, deionized water 30-50%；
2) it is stirred in sodium silicate and deionized water being added into sealing agitator tank, mixture A is obtained after stirring；
3) add short glass fiber long to be stirred in mixture A, be uniformly mixing to obtain mixture B；
4) dispersant, latex powder, tackifier, levelling agent, filler, aerosil, hard charcoal are sequentially added in mixture B
Black, aerogel powder, it is ensured that before a kind of material under addition, former material has stirred, and seal stirring for agitator tank
Mix speed and remain 1500~1800rad/min, continue to be uniformly mixing to obtain the aerogel heat-insulating material for heat preservation of refrigeration storage
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611089420.7A CN106747220A (en) | 2016-12-01 | 2016-12-01 | Application of the aerogel insulating material to heat preservation of refrigeration storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611089420.7A CN106747220A (en) | 2016-12-01 | 2016-12-01 | Application of the aerogel insulating material to heat preservation of refrigeration storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106747220A true CN106747220A (en) | 2017-05-31 |
Family
ID=58915315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611089420.7A Pending CN106747220A (en) | 2016-12-01 | 2016-12-01 | Application of the aerogel insulating material to heat preservation of refrigeration storage |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ308884B6 (en) * | 2019-08-06 | 2021-08-04 | First Point a.s | Fire-fighting material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786851A (en) * | 2010-01-17 | 2010-07-28 | 金同芳 | Inorganic fireproofing insulation material and production process thereof |
| CN102351561A (en) * | 2011-06-23 | 2012-02-15 | 张永武 | Composite heat-insulating material and preparation method thereof |
| CN103011714A (en) * | 2013-01-04 | 2013-04-03 | 哈尔滨工程大学 | Aluminum silicate fiber and aerogel powder composite heat-insulating material and preparation method thereof |
| CN103275530A (en) * | 2013-06-08 | 2013-09-04 | 陕西盟创纳米新型材料股份有限公司 | Silica aerogel coating and application thereof |
| CN103964811A (en) * | 2014-04-29 | 2014-08-06 | 深圳市国大长兴科技有限公司 | Inorganic stone-like coating |
-
2016
- 2016-12-01 CN CN201611089420.7A patent/CN106747220A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786851A (en) * | 2010-01-17 | 2010-07-28 | 金同芳 | Inorganic fireproofing insulation material and production process thereof |
| CN102351561A (en) * | 2011-06-23 | 2012-02-15 | 张永武 | Composite heat-insulating material and preparation method thereof |
| CN103011714A (en) * | 2013-01-04 | 2013-04-03 | 哈尔滨工程大学 | Aluminum silicate fiber and aerogel powder composite heat-insulating material and preparation method thereof |
| CN103275530A (en) * | 2013-06-08 | 2013-09-04 | 陕西盟创纳米新型材料股份有限公司 | Silica aerogel coating and application thereof |
| CN103964811A (en) * | 2014-04-29 | 2014-08-06 | 深圳市国大长兴科技有限公司 | Inorganic stone-like coating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ308884B6 (en) * | 2019-08-06 | 2021-08-04 | First Point a.s | Fire-fighting material |
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Application publication date: 20170531 |
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