CN111763064A - SOM outer wall insulation board production process - Google Patents

SOM outer wall insulation board production process Download PDF

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Publication number
CN111763064A
CN111763064A CN202010652292.2A CN202010652292A CN111763064A CN 111763064 A CN111763064 A CN 111763064A CN 202010652292 A CN202010652292 A CN 202010652292A CN 111763064 A CN111763064 A CN 111763064A
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China
Prior art keywords
mixture
som
insulation board
mold
wall insulation
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Application number
CN202010652292.2A
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Chinese (zh)
Inventor
汤建忠
汤炎
俞剑雄
黄敏敏
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Haimen Taililai New Building Materials Co ltd
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Haimen Taililai New Building Materials Co ltd
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Priority to CN202010652292.2A priority Critical patent/CN111763064A/en
Publication of CN111763064A publication Critical patent/CN111763064A/en
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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
    • C04B28/30—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 magnesium cements or similar cements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
    • B28B1/503—Moulds therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
    • B28B1/525—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing organic fibres, e.g. wood fibres
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • C04B38/106—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam by adding preformed foams
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • C04B2111/285—Intumescent 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52—Sound-insulating materials

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Building Environments (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a production process of an SOM external wall insulation board, which is characterized by comprising the following steps of: s1, cleaning the die: selecting a corresponding die according to design requirements, and cleaning the die; s2, coating a release agent on the mold; s3, assembling the die: laying the glass fiber grids in a mold, assembling the mold, and checking the size of the assembled mold to ensure that the size of the assembled mold meets the design requirement; s4, mixing materials: mixing magnesium oxide, a magnesium sulfate aqueous solution, fly ash, silt, straw fiber, a modifier and a foaming agent to prepare a first mixture; s5, injecting the first mixture into a mold, and curing and molding; s6, demolding; and S7, demolding, and storing and maintaining. The SOM external wall insulation board produced by the invention has the advantages of heat preservation, cold resistance, sound insulation, noise reduction, fire resistance, flame retardance and environmental protection.

Description

SOM outer wall insulation board production process
Technical Field
The invention relates to the field of wall heat insulation materials, in particular to a production process of an SOM (self-aligned mode) outer wall heat insulation plate.
Background
The building material industry is one of the basic and pillar industries of national economy, can be developed continuously, not only relates to the quality of life of people, but also is a large industry related to the people's life. In a building, the heat loss of an outer protective structure is large, a wall body in the outer protective structure occupies a large proportion, and the development of an outer wall heat preservation technology and an energy-saving material is an implementation mode of building energy conservation. The traditional external wall building material has the problems of unobvious heat preservation effect, easy cracking, poor water resistance and the like.
Disclosure of Invention
The invention aims to provide a production process of an SOM outer wall insulation board, which solves one or more of the problems in the prior art.
The invention provides a production process of an SOM external wall insulation board, which comprises the following steps:
s1, cleaning the die: selecting a corresponding die according to design requirements, and cleaning the die;
s2, coating a release agent on the mold;
s3, assembling the die: laying the glass fiber grids in a mold, assembling the mold, and checking the size of the assembled mold to ensure that the size of the assembled mold meets the design requirement;
s4, mixing materials: mixing magnesium oxide, a magnesium sulfate aqueous solution, fly ash, silt, straw fiber, a modifier and a foaming agent to prepare a first mixture;
s5, injecting the first mixture into a mold, and curing and molding;
s6, demolding;
and S7, demolding, and storing and maintaining.
Wherein: the modifier is used for adjusting the combination effect of the mixture, and the foaming agent is used for reducing the weight of the product and has the functions of sound insulation and heat insulation.
In certain embodiments, the raw materials for preparing the first mixture comprise, by weight, 35 to 38 parts magnesium oxide, 31.5 to 33 parts aqueous magnesium sulfate solution, 6.5 to 7.3 parts fly ash, 1.6 to 1.8 parts silt, 0.25 to 0.3 part straw fiber, 0.28 to 0.31 part modifier, and 1.1 to 1.3 parts modifier
A blowing agent.
In certain embodiments, step S4 further comprises preparation of the foam prior to compounding:
diluting the foaming agent with water to prepare foaming liquid, starting a foaming machine, and foaming the foaming liquid into foam.
In certain embodiments, the foaming liquid has a mass ratio of foaming agent to water of 1: 120.
In certain embodiments, step S4 specifically includes the following steps:
mixing a modifier, a magnesium sulfate aqueous solution and magnesium oxide to obtain a second mixture;
mixing the fly ash, the silt, the straw fiber and the second mixture to obtain a third mixture; and
the blowing agent and the third mixture are mixed into a uniform slurry-like first mixture by adding an amount of air according to the volume-weight requirement.
Wherein: the activity of magnesium oxide was 62%, and the density of the magnesium sulfate solution was 1.21g/cm3The baume Be is 24.75 °.
In some embodiments, the fly ash, silt, straw fiber and the second mixture are sufficiently stirred to form a sticky state, and a third mixture is obtained.
In certain embodiments, step S5 specifically includes the following steps:
and starting the material pump to inject the first mixture into the forming die, and covering an upper forming plate of the forming die for curing before initial setting begins.
In certain embodiments, step S6 specifically includes the following steps:
naturally heating to 70-80 deg.c; naturally cooling to room temperature, curing for 6h, and performing core pulling and demoulding.
In certain embodiments, step S7 specifically includes the following steps:
maintaining in natural environment for 5-7 days as initial culture; then entering a storehouse, and carrying out final culture for 20 days to enter a finished product period.
Has the advantages that: the invention selects magnesium oxide and magnesium sulfate as raw materials to produce the magnesium oxysulfate wall so as to overcome the problems of moisture absorption and halogen reversion of magnesium chloride, and simultaneously, the magnesium oxide, the magnesium sulfate, the fly ash, the silt and the straw fiber which are selected by the invention belong to waste-utilizing environment-friendly products, and the produced SOM outer wall insulation board has the advantages of heat preservation and cold resistance, sound insulation and noise reduction, fire prevention and flame retardance, environmental protection and the fire prevention reaching A1-level standard.
Detailed Description
The present invention will be described in further detail below with reference to embodiments.
Example 1
The embodiment discloses a production process of an SOM external wall insulation board, which comprises the following steps:
s1, cleaning the die: selecting a corresponding die according to design requirements, and cleaning the die;
s2, coating a release agent on the mold;
s3, assembling the die: laying the glass fiber grids in a mold, assembling the mold, and checking the size of the assembled mold to ensure that the size of the assembled mold meets the design requirement;
s4, mixing materials:
diluting 1.1kg of foaming agent with 132kg of water to prepare foaming liquid, starting a foaming machine, and foaming the foaming liquid into foam;
mixing 0.28kg of modifier, 31.5kg of magnesium sulfate aqueous solution and 35kg of magnesium oxide to obtain a second mixture;
mixing 6.5kg of fly ash, 1.6kg of silt and 0.25kg of straw material with the second mixture to obtain a third mixture; and
adding air according to volume weight requirements, and mixing a foaming agent and the third mixture into a uniform slurry-shaped first mixture;
s5, starting a material pump to inject the first mixture into a forming die, and covering an upper forming plate of the forming die for solidification before initial setting;
s6, naturally heating to 70 ℃; naturally cooling to room temperature, curing for 6h, and performing core pulling and demolding;
s7, storing and maintaining after demolding, lifting to maintain after demolding, and maintaining in natural environment for 5-7 days as initial maintenance; then entering a storehouse, and carrying out final culture for 20 days to enter a finished product period. During this period, the patient should be kept standing on his side, and exposure to the sun, rain and water are avoided; after the warm-wet maintenance period, the product is corrected orderly and is inspected to be qualified, and the product can leave the factory.
Wherein: the activity of magnesium oxide was 62%, and the density of the magnesium sulfate solution was 1.21g/cm3The baume Be is 24.75 °.
Example 2
The embodiment discloses a production process of an SOM external wall insulation board, which comprises the following steps:
s1, cleaning the die: selecting a corresponding die according to design requirements, and cleaning the die;
s2, coating a release agent on the mold;
s3, assembling the die: laying the glass fiber grids in a mold, assembling the mold, and checking the size of the assembled mold to ensure that the size of the assembled mold meets the design requirement;
s4, mixing materials:
diluting 1.2g of foaming agent with 144kg of water to prepare foaming liquid, starting a foaming machine, and foaming the foaming liquid into foam;
mixing 0.29kg of modifier, 32kg of magnesium sulfate aqueous solution and 36.5kg of magnesium oxide to obtain a second mixture;
mixing 7.0kg of fly ash, 1.7kg of silt and 0.28kg of straw material with the second mixture to obtain a third mixture; and
adding air according to volume weight requirements, and mixing a foaming agent and the third mixture into a uniform slurry-shaped first mixture;
s5, starting a material pump to inject the first mixture into a forming die, and covering an upper forming plate of the forming die for solidification before initial setting;
s6, naturally heating to 75 ℃; naturally cooling to room temperature, curing for 6h, and performing core pulling and demolding;
s7, storing and maintaining after demolding, lifting to maintain after demolding, and maintaining in natural environment for 5-7 days as initial maintenance; then entering a storehouse, and carrying out final culture for 20 days to enter a finished product period. During this period, the patient should be kept standing on his side, and exposure to the sun, rain and water are avoided; after the warm-wet maintenance period, the product is corrected orderly and is inspected to be qualified, and the product can leave the factory.
Wherein: the activity of magnesium oxide was 62%, and the density of the magnesium sulfate solution was 1.21g/cm3The baume Be is 24.75 °.
Example 3
The embodiment discloses a production process of an SOM external wall insulation board, which comprises the following steps:
s1, cleaning the die: selecting a corresponding die according to design requirements, and cleaning the die;
s2, coating a release agent on the mold;
s3, assembling the die: laying the glass fiber grids in a mold, assembling the mold, and checking the size of the assembled mold to ensure that the size of the assembled mold meets the design requirement;
s4, mixing materials:
diluting 1.3kg of foaming agent with 156kg of water to prepare foaming liquid, starting a foaming machine, and foaming the foaming liquid into foam;
mixing 0.31kg of modifier, 33kg of magnesium sulfate aqueous solution and 38kg of magnesium oxide to obtain a second mixture;
mixing 7.3kg of fly ash, 1.8kg of silt and 0.3kg of straw material with the second mixture to obtain a third mixture; and
adding air according to volume weight requirements, and mixing a foaming agent and the third mixture into a uniform slurry-shaped first mixture;
s5, starting a material pump to inject the first mixture into a forming die, and covering an upper forming plate of the forming die for solidification before initial setting;
s6, naturally heating to 80 ℃; naturally cooling to room temperature, curing for 6h, and performing core pulling and demolding;
s7, storing and maintaining after demolding, lifting to maintain after demolding, and maintaining in natural environment for 5-7 days as initial maintenance; then entering a storehouse, and carrying out final culture for 20 days to enter a finished product period. During this period, the patient should be kept standing on his side, and exposure to the sun, rain and water are avoided; after the warm-wet maintenance period, the product is corrected orderly and is inspected to be qualified, and the product can leave the factory.
Wherein: the activity of magnesium oxide was 62%, and the density of the magnesium sulfate solution was 1.21g/cm3The baume Be is 24.75 °.
Comparative example 1
The SOM outer wall insulation board is produced according to the SOM outer wall insulation board production process of the embodiment 2, and the difference is that the quality of each component is different, wherein: 95kg of magnesium oxide, 88kg of magnesium sulfate aqueous solution, 18kg of fly ash, 4kg of silt, 0.5kg of straw fiber, 0.6kg of modifier and 0.5kg of foaming agent; the mass ratio of the foaming agent to the water in the foaming liquid is 1: 75; and the activity of magnesium oxide was 50%.
The comparison graph of the physical property indexes of the SOM external wall insulation board produced by the invention with GB national standard and comparative example 1 is shown in the following table 1:
Figure BDA0002575413110000051
Figure BDA0002575413110000061
as can be seen from Table 1, compared with GB national standard and comparative example 1, the SOM external wall insulation board of the application has the advantages that the frost resistance, the air sound insulation quantity, the fire resistance limit and the combustion performance are all improved; the water content is reduced, which shows that the SOM external wall insulation board has good waterproofness, and performance reduction caused by high water content is avoided; simultaneously impact resistance, bending resistance of this application bear, compressive strength, hang the power and all have the improvement, show the SOM external wall insulation board's of this application intensity higher.
In summary, the following steps: the SOM outer wall insulation board produced by the invention has the advantages of heat preservation and cold resistance, sound insulation and noise reduction, fire prevention and flame retardation, environmental protection and the fire prevention reaches A1-level standard.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these should be considered as within the scope of the present invention.

Claims (9)

  1. The production process of the SOM external wall insulation board is characterized by comprising the following steps:
    s1, cleaning the die: selecting a corresponding die according to design requirements, and cleaning the die;
    s2, coating a release agent on the mold;
    s3, assembling the die: laying the glass fiber grids in a mold, assembling the mold, and checking the size of the assembled mold to ensure that the size of the assembled mold meets the design requirement;
    s4, mixing materials: mixing magnesium oxide, a magnesium sulfate aqueous solution, fly ash, silt, straw fiber, a modifier and a foaming agent to prepare a first mixture;
    s5, injecting the first mixture into a mold, and curing and molding;
    s6, demolding;
    and S7, demolding, and storing and maintaining.
  2. 2. The SOM exterior wall insulation board production process of claim 1, wherein the raw materials for preparing the first mixture comprise, by weight, 35 to 38 parts of magnesium oxide, 31.5 to 33 parts of magnesium sulfate aqueous solution, 6.5 to 7.3 parts of fly ash, 1.6 to 1.8 parts of silt, 0.25 to 0.3 part of straw fiber, 0.28 to 0.31 part of modifier and 1.1 to 1.3 parts of foaming agent.
  3. 3. The SOM exterior wall insulation board production process of claim 1 or 2, wherein the step S4 further comprises the preparation of foam before mixing:
    diluting the foaming agent with water to prepare foaming liquid, starting a foaming machine, and foaming the foaming liquid into foam.
  4. 4. The SOM exterior wall insulation board production process of claim 3, wherein the mass ratio of the foaming agent to the water in the foaming liquid is 1: 120.
  5. 5. The SOM exterior wall insulation board production process of claim 4, wherein the step S4 specifically comprises the following steps:
    mixing a modifier, a magnesium sulfate aqueous solution and magnesium oxide to obtain a second mixture;
    mixing the fly ash, the silt, the straw fiber and the second mixture to obtain a third mixture; and
    adding air according to volume weight requirements, and mixing the foaming agent and the third mixture into a uniform slurry-shaped first mixture.
  6. 6. The SOM exterior wall insulation board production process of claim 5, wherein the coal ash, the silt, the straw fiber and the second mixture are fully stirred into a sticky state to obtain the third mixture.
  7. 7. The SOM exterior wall insulation board production process of claim 1, wherein the step S5 specifically comprises the following steps:
    and starting a material pump to inject the first mixture into the forming die, and covering an upper forming plate of the forming die for curing before initial setting begins.
  8. 8. The SOM exterior wall insulation board production process of claim 1, wherein the step S6 specifically comprises the following steps:
    naturally heating to 70-80 deg.c; naturally cooling to room temperature, curing for 6h, and performing core pulling and demoulding.
  9. 9. The SOM exterior wall insulation board production process of claim 1, wherein the step S7 specifically comprises the following steps:
    maintaining in natural environment for 5-7 days as initial culture; then entering a storehouse, and carrying out final culture for 20 days to enter a finished product period.
CN202010652292.2A 2020-07-08 2020-07-08 SOM outer wall insulation board production process Pending CN111763064A (en)

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Application Number Priority Date Filing Date Title
CN202010652292.2A CN111763064A (en) 2020-07-08 2020-07-08 SOM outer wall insulation board production process

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105330333A (en) * 2015-10-22 2016-02-17 汤炎 Environment-friendly integrated building lightweight assembly type composite wall material and production technology thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105330333A (en) * 2015-10-22 2016-02-17 汤炎 Environment-friendly integrated building lightweight assembly type composite wall material and production technology thereof

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Address after: No. 196, Xiamen Road, Binjiang street, Haimen District, Nantong City, Jiangsu Province

Applicant after: Nantong Langji new building materials Co.,Ltd.

Address before: 226100 no.196, Xiamen Road, Binjiang street, Haimen City, Nantong City, Jiangsu Province

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Application publication date: 20201013