CN109336641A - A kind of chemical reaction kettle heat insulating material for external and preparation method thereof - Google Patents
A kind of chemical reaction kettle heat insulating material for external and preparation method thereof Download PDFInfo
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- CN109336641A CN109336641A CN201811541456.3A CN201811541456A CN109336641A CN 109336641 A CN109336641 A CN 109336641A CN 201811541456 A CN201811541456 A CN 201811541456A CN 109336641 A CN109336641 A CN 109336641A
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- reaction kettle
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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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
Abstract
The present invention provides a kind of chemical reaction kettle heat insulating material for external and preparation method thereof, it is related to field of heat insulating materials, constituent including following parts by weight: 120-150 parts of UHPC, 10-18 parts of acrylic emulsion, 6-12 parts of styrene-acrylic emulsion, 20-30 parts of aperture perlite, 10-20 parts of closed perlite, 40-60 parts of aerosil, 8-16 parts of modified straw, 5-15 parts of inorganic reinforcing fiber, 30-35 parts of flyash, 4-10 parts of polyvinyl alcohol, 1-5 parts of hydrophober, 1-5 parts of fire retardant, 3-8 parts of foaming agent, 150-200 parts of water, thermal insulation material thermal coefficient of the present invention is small, every high mechanical properties, medium density, it is suitable as the use of chemical reaction kettle heat insulating material for external.
Description
Technical field
The present invention relates to field of heat insulating materials, and in particular to a kind of chemical reaction kettle heat insulating material for external and preparation method thereof.
Background technique
Thermal insulation material generally refers to the material that thermal coefficient is less than or equal to 0.12.Thermal insulation material have developed rapidly, in industry
With in building use good heat preservation technology and material, can often play a multiplier effect.Such as every use in building
One ton of mineral wool insulating product can save one ton of petroleum for 1 year.
The broad understanding of reaction kettle has the container physically or chemically reacted, is designed by the structure to container and is matched with parameter
It sets, realizes the mixed function for heating, evaporation, cooling and the high speed that technique requires.Reaction kettle is widely used in petroleum, chemical industry, rubber
Glue, pesticide, dyestuff, medicine, food, for completing the pressure vessel of the technical process such as vulcanization, nitrification, hydrogenation, polymerization, condensation.
The heat insulation work of reaction kettle annoyings always many chemical companies, they should consider to keep the temperature cost, considers heat insulation effect again,
Reaction kettle only carries out Insulation, could reduce energy consumption when carry out low temperature or pyroreaction, plays reduction life
Produce cost purpose, existing chemical reaction kettle mostly using it is outer coating thermal insulation coatings or stick thermal insulation material method carry out every
Heat heat preservation.
Application number: 201710181274.9 patent 1 discloses a kind of composite heat insulatant thermal insulation material, and the thermal insulation material is by solid
Body raw material and thickening water-retaining agent composition, wherein the weight fraction ratio of solid material forms are as follows: 28 parts of the short silk of lead silicate fiber, profound
9 parts, No. 425 12 parts of military rock short fibre, 4 parts of basalt fibre powder, 6 parts of floating bead, 13 parts of crushed crude pearlite, sodium oxide molybdena cement 20
Part.Not only heat preservation and insulation is excellent, non-toxic and tasteless, pollution-free, non-stimulated, and has A grades of non-ignitable fire protecting performances, and when construction can
Add water to be tuned into paste and is applied directly to building surface, it is simple and easy to do.
Application number: 201710768859.0 patent 2 discloses a kind of modified glue powder heat insulating granular polystyrene material and its system
Preparation Method, by weight, the thermal insulation material include: 28~55 parts of cement, 18~35 parts of flyash, 7~19 parts of calcium silicates,
5~19 parts of silica, 6~15 parts of gypsum, 7~18 parts of glass fibre, 12~21 parts of polypropylene fibre, aluminium hydroxide 8~20
Part, 8~22 parts of polystyrene, 5~17 parts of oxalic acid, 12~25 parts of hydrogen peroxide, 8~22 parts of epsom salt.It is of the present invention
Modified glue powder heat insulating granular polystyrene material density is small, reduces the self weight of building, while its thermal coefficient is low, greatlys improve
The thermal insulation property of building reduces the energy consumption of air-conditioning, thus has preferable economic benefit and social benefit；Institute of the present invention
It is high to state modified glue powder heat insulating granular polystyrene material utilization rate.
Application number: 201710657284.5 patent 3 discloses a kind of foamed polystyrene thermal insulation material and its preparation side
Method, according to the number of parts by weight, including following components: 50~70 parts of polystyrene, 4~8 parts of fumed silica, styrene-acrylic emulsion
3~6 parts, it is 10~20 parts of flyash, 5~10 parts of polypropylene fibre, 4~8 parts of composite flame-retardant agent, 1~5 part of composite foamable agent, steady
Determine 0.5~1.5 part and 70~90 parts of water of agent；Wherein, the composite flame-retardant agent is mainly by magnesium salts, nano montmorillonite and carbon nanometer
Pipe is prepared, and the composite foamable agent is mainly prepared by dinitrosopentamethylene tetramine and diatomite.The thermal insulating material
Not only combustibility reaches the standards of A grade incombustible materials to material, and frothing percentage height, thermal coefficient are low.
Above-mentioned patent 1, patent 2, patent 3 thermal insulation material be not suitable for chemical reaction kettle insulation use, and
Heat insulating effect is bad, and requirement is not achieved in mechanical property.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of chemical reaction kettle heat insulating material for external and preparation method thereof.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 120-150 parts of UHPC, third
10-18 parts of olefin(e) acid lotion, 6-12 parts of styrene-acrylic emulsion, 20-30 parts of aperture perlite, 10-20 parts of closed perlite, silica gas
40-60 parts of gel, 5-15 parts of inorganic reinforcing fiber, 30-35 parts of flyash, 4-10 parts of polyvinyl alcohol, is hated at 8-16 parts of modified straw
1-5 parts of aqua, 1-5 parts of fire retardant, 3-8 parts of foaming agent, 150-200 parts of water.
Preferably, the constituent including following parts by weight: 125 parts of UHPC, 14 parts of acrylic emulsion, styrene-acrylic emulsion
11 parts, 28 parts of aperture perlite, 13 parts of closed perlite, 44 parts of aerosil, 15 parts of modified straw, inorganic enhancing fibre
Tie up 10 parts, 33 parts of flyash, 6 parts of polyvinyl alcohol, 2 parts of hydrophober, 4 parts of fire retardant, 4 parts of foaming agent, 180 parts of water.
Preferably, the constituent including following parts by weight: 150 parts of UHPC, 18 parts of acrylic emulsion, styrene-acrylic emulsion 8
Part, 30 parts of aperture perlite, 12 parts of closed perlite, 45 parts of aerosil, 10 parts of modified straw, inorganic reinforcing fiber
12 parts, 33 parts of flyash, 5 parts of polyvinyl alcohol, 2 parts of hydrophober, 5 parts of fire retardant, 8 parts of foaming agent, 200 parts of water.
Preferably, the modified straw can be by any one in wheat stalk, broomcorn straw, rape stalk, rice straw
Kind is prepared.
Preferably, the modified straw the preparation method comprises the following steps: crushed after stalk is dried, be added to N, N- dimethylene first
In amide, phytic acid and urea are added after ultrasonic vibration processing 20-50min, 70-80 DEG C is heated to, is taken out after being stirred to react 5-10h
Filter, is washed to neutrality, drying.
Preferably, the inorganic reinforcing fiber be quartz glass fibre, boron fibre, basalt fibre, in carbon fiber extremely
Few one kind.
Preferably, the hydrophober is organosilicon moisture repellent.
Preferably, the fire retardant is that microencapsulated powder oil and aluminium hydroxide are mixed by weight 1:1.
Preferably, the foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added in sodium hydroxide solution
After back flow reaction 2-4h, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 30-
50min.
The preparation method of above-mentioned chemical reaction kettle heat insulating material for external, comprising the following steps:
(1) will by UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil,
Modified straw, inorganic reinforcing fiber, flyash, polyvinyl alcohol, hydrophober, fire retardant are added in concrete mixer, add water
Stirring forms slurry；
(2) foaming agent is injected into concrete mixer using air compressor, 100-200r/min stirs 40-
It after 60min, pours into and is warming up to 50 DEG C in mold after sealing moulding 1-2h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min,
It is finally putting into curing box and conserves 10-20h, demould, room temperature is aged 7-12d.
(3) beneficial effect
The present invention provides a kind of chemical reaction kettle heat insulating material for external and preparation method thereof, have the advantages that
UHPC is referred to as Reactive Powder Concrete, the mechanical property of tolerance and superelevation with superelevation, chemical reaction kettle
It often will do it strong acid, highly basic reaction, use UHPC as basis material, the corrosion resistance of thermal insulation material can be improved, prolong
Long life, if being added without acrylic emulsion and styrene-acrylic emulsion, if foaming agent foam, on the one hand foaming is imitated
Fruit is bad, and the easy collapse of internal void over time, and requirement is not achieved in mechanical property, and acrylic emulsion and phenylpropyl alcohol is added
After lotion, in foaming process, acrylic emulsion and styrene-acrylic emulsion can form a film in internal pore surface, are adhered to UHPC and fill out with other
It fills on the interface of object combination, forms the thin polymer film of space net structure, play the role of supporting internal void, improve guarantor
The mechanical property of adiabator, and can effectively prevent moisture from entering the inside of thermal insulation material, substantially reduce water absorption rate；Titanium dioxide
Silica aerogel itself has big specific surface area and high hole ratio, the decker sandwich for forming many heat preservation insulation is added, into one
Step improves the effect of heat preservation insulation, and thermal insulation material thermal coefficient of the present invention is small, and every high mechanical properties, medium density is suitable for
For the use of chemical reaction kettle heat insulating material for external.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 150 parts of UHPC, acrylic acid
18 parts of lotion, 8 parts of styrene-acrylic emulsion, 30 parts of aperture perlite, 12 parts of closed perlite, 45 parts of aerosil, modified straw
10 parts of stalk, 12 parts of quartz glass fibre, 33 parts of flyash, 5 parts of polyvinyl alcohol, 2 parts of organosilicon moisture repellent, microencapsulated powder oil and
200 parts of 8 parts of 5 parts of fire retardant, foaming agent, the water that aluminium hydroxide is mixed by weight 1:1.
Modified straw the preparation method comprises the following steps: crushed after wheat stalk is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 40min, 75 DEG C is heated to, is filtered after being stirred to react 8h, be washed to neutrality, dry
It is dry.
Foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction 3.5h in sodium hydroxide solution
Afterwards, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 35min.
Above-mentioned chemical reaction kettle heat insulating material for external the preparation method is as follows:
By UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, quartz glass fibre, flyash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, are added
Water stirs to form slurry；Foaming agent is injected into concrete mixer using air compressor, 100r/min stirs 45min
Afterwards, it pours into and is warming up to 50 DEG C in mold after sealing moulding 2h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, be finally putting into
12h is conserved in curing box, is demoulded, and room temperature is aged 12d.
Embodiment 2:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 125 parts of UHPC, acrylic acid
14 parts of lotion, 11 parts of styrene-acrylic emulsion, 28 parts of aperture perlite, 13 parts of closed perlite, 44 parts of aerosil, modified straw
15 parts of stalk, 10 parts of inorganic reinforcing fiber, 33 parts of flyash, 6 parts of polyvinyl alcohol, 2 parts of organosilicon moisture repellent, microencapsulated powder oil and
180 parts of 4 parts of 4 parts of fire retardant, foaming agent, the water that aluminium hydroxide is mixed by weight 1:1.
Modified straw the preparation method comprises the following steps: crushed after broomcorn straw is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 50min, 80 DEG C is heated to, is filtered after being stirred to react 6h, be washed to neutrality, dry
It is dry.
Foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction 2h in sodium hydroxide solution
Afterwards, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 30min.
Above-mentioned chemical reaction kettle heat insulating material for external the preparation method is as follows:
By UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, inorganic reinforcing fiber, flyash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, are added
Water stirs to form slurry；Foaming agent is injected into concrete mixer using air compressor, 200r/min stirs 55min
Afterwards, it pours into and is warming up to 50 DEG C in mold after sealing moulding 1.8h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, finally put
Enter and conserve 15h in curing box, demould, room temperature is aged 10d.
Embodiment 3:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 120 parts of UHPC, acrylic acid
10 parts of lotion, 10 parts of styrene-acrylic emulsion, 24 parts of aperture perlite, 10 parts of closed perlite, 45 parts of aerosil, modified straw
14 parts of stalk, basalt fibre, 12 parts of carbon fiber, 34 parts of flyash, 6 parts of polyvinyl alcohol, 2 parts of organosilicon moisture repellent, microencapsulation
160 parts of 5 parts of 4 parts of fire retardant, foaming agent, the water that red phosphorus and aluminium hydroxide are mixed by weight 1:1.
Modified straw the preparation method comprises the following steps: crushed after rape stalk is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 50min, 75 DEG C is heated to, is filtered after being stirred to react 10h, be washed to neutrality,
Drying.
The foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction in sodium hydroxide solution
After 3h, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 45min.
Above-mentioned chemical reaction kettle heat insulating material for external the preparation method is as follows:
By UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, inorganic reinforcing fiber, flyash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, are added
Water stirs to form slurry；Foaming agent is injected into concrete mixer using air compressor, 180r/min stirs 60min
Afterwards, it pours into and is warming up to 50 DEG C in mold after sealing moulding 1.8h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, finally put
Enter and conserve 18h in curing box, demould, room temperature is aged 12d.
Embodiment 4:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 140 parts of UHPC, acrylic acid
16 parts of lotion, 6 parts of styrene-acrylic emulsion, 22 parts of aperture perlite, 15 parts of closed perlite, 42 parts of aerosil, modified straw
15 parts of stalk, 8 parts of boron fibre, 30 parts of flyash, 6 parts of polyvinyl alcohol, 2 parts of organosilicon moisture repellent, microencapsulated powder oil and hydroxide
180 parts of 5 parts of 5 parts of fire retardant, foaming agent, the water that aluminium is mixed by weight 1:1.
Modified straw the preparation method comprises the following steps: crushed after wheat stalk is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 50min, 74 DEG C is heated to, is filtered after being stirred to react 10h, be washed to neutrality,
Drying.
The foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction in sodium hydroxide solution
After 3h, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 35min.
Above-mentioned chemical reaction kettle heat insulating material for external the preparation method is as follows:
By UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, inorganic reinforcing fiber, flyash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, are added
Water stirs to form slurry；Foaming agent is injected into concrete mixer using air compressor, 200r/min stirs 48min
Afterwards, it pours into and is warming up to 50 DEG C in mold after sealing moulding 2h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, be finally putting into
14h is conserved in curing box, is demoulded, and room temperature is aged 10d.
Embodiment 5:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 150 parts of UHPC, acrylic acid
10 parts of lotion, 10 parts of styrene-acrylic emulsion, 30 parts of aperture perlite, 15 parts of closed perlite, 48 parts of aerosil, modified straw
16 parts of stalk, quartz glass fibre, 15 parts of boron fibre, 33 parts of flyash, 8 parts of polyvinyl alcohol, 4 parts of organosilicon moisture repellent, microcapsules
Change 160 parts of 8 parts of 5 parts of fire retardant, foaming agent, the water that red phosphorus and aluminium hydroxide are mixed by weight 1:1.
Modified straw the preparation method comprises the following steps: crushed after wheat stalk is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 50min, 75 DEG C is heated to, is filtered after being stirred to react 10h, be washed to neutrality,
Drying.
Foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction 3h in sodium hydroxide solution
Afterwards, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 35min.
Above-mentioned chemical reaction kettle heat insulating material for external the preparation method is as follows:
By UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, inorganic reinforcing fiber, flyash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, are added
Water stirs to form slurry；Foaming agent is injected into concrete mixer using air compressor, 100r/min stirs 40min
Afterwards, it pours into and is warming up to 50 DEG C in mold after sealing moulding 1.5h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, finally put
Enter and conserve 10-20h in curing box, demould, room temperature is aged 12d.
Embodiment 6:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 120 parts of UHPC, acrylic acid
10 parts of lotion, 6 parts of styrene-acrylic emulsion, 20 parts of aperture perlite, 10 parts of closed perlite, 40 parts of aerosil, modified straw
8 parts of stalk, 5 parts of quartz glass fibre, 30 parts of flyash, 4 parts of polyvinyl alcohol, 1 part of organosilicon moisture repellent, microencapsulated powder oil and hydrogen
200 parts of 3 parts of 1 part of fire retardant, foaming agent, the water that aluminium oxide is mixed by weight 1:1.
Modified straw the preparation method comprises the following steps: crushed after wheat stalk is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 20min, 70 DEG C is heated to, is filtered after being stirred to react 5h, be washed to neutrality, dry
It is dry.
The foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction in sodium hydroxide solution
After 2h, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 30min.
Above-mentioned chemical reaction kettle heat insulating material for external the preparation method is as follows:
By UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, inorganic reinforcing fiber, flyash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, are added
Water stirs to form slurry；Foaming agent is injected into concrete mixer using air compressor, 100r/min stirs 40min
Afterwards, it pours into and is warming up to 50 DEG C in mold after sealing moulding 1h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, be finally putting into
10h is conserved in curing box, is demoulded, and room temperature is aged 7d.
Embodiment 7:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 150 parts of UHPC, acrylic acid
18 parts of lotion, 12 parts of styrene-acrylic emulsion, 30 parts of aperture perlite, 20 parts of closed perlite, 60 parts of aerosil, modified straw
16 parts of stalk, 15 parts of quartz glass fibre, 35 parts of flyash, 10 parts of polyvinyl alcohol, 5 parts of organosilicon moisture repellent, microencapsulated powder oil
200 parts of 8 parts of 5 parts of fire retardant, foaming agent, the water mixed with aluminium hydroxide by weight 1:1.
Modified straw the preparation method comprises the following steps: crushed after wheat stalk is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 50min, 80 DEG C is heated to, is filtered after being stirred to react 10h, be washed to neutrality,
Drying.
Foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction 4h in sodium hydroxide solution
Afterwards, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 50min.
The preparation method of above-mentioned chemical reaction kettle heat insulating material for external, includes the following steps as follows:
By UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, inorganic reinforcing fiber, flyash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, are added
Water stirs to form slurry；Foaming agent is injected into concrete mixer using air compressor, 200r/min stirs 60min
Afterwards, it pours into and is warming up to 50 DEG C in mold after sealing moulding 2h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, be finally putting into
20h is conserved in curing box, is demoulded, and room temperature is aged 12d.
Embodiment 8:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 150 parts of UHPC, acrylic acid
10 parts of lotion, 6 parts of styrene-acrylic emulsion, 30 parts of aperture perlite, 10 parts of closed perlite, 60 parts of aerosil, modified straw
16 parts of stalk, 5 parts of quartz glass fibre, 35 parts of flyash, 4 parts of polyvinyl alcohol, 2 parts of organosilicon moisture repellent, microencapsulated powder oil and
150 parts of 5 parts of 4 parts of fire retardant, foaming agent, the water that aluminium hydroxide is mixed by weight 1:1.
Modified straw the preparation method comprises the following steps: crushed after wheat stalk is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 50min, 75 DEG C is heated to, is filtered after being stirred to react 6h, be washed to neutrality, dry
It is dry.
Foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction 4h in sodium hydroxide solution
Afterwards, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 50min.
Above-mentioned chemical reaction kettle heat insulating material for external the preparation method is as follows:
By UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, inorganic reinforcing fiber, flyash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, are added
Water stirs to form slurry；Foaming agent is injected into concrete mixer using air compressor, 200r/min stirs 60min
Afterwards, it pours into and is warming up to 50 DEG C in mold after sealing moulding 2h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, be finally putting into
18h is conserved in curing box, is demoulded, and room temperature is aged 12d.
Comparative example 1:
A kind of chemical reaction kettle heat insulating material for external, the constituent including following parts by weight: 150 parts of UHPC, aperture are precious
30 parts of pearl rock, 12 parts of closed perlite, 45 parts of aerosil, 10 parts of modified straw, 12 parts of quartz glass fibre, fine coal
33 parts of ash, 5 parts of polyvinyl alcohol, 2 parts of organosilicon moisture repellent, microencapsulated powder oil and aluminium hydroxide are mixed by weight 1:1
5 parts of fire retardant, 8 parts of foaming agent, 200 parts of water.
Modified straw the preparation method comprises the following steps: crushed after wheat stalk is dried, be added to N, in N- dimethylene formamide,
Phytic acid and urea are added after ultrasonic vibration processing 40min, 75 DEG C is heated to, is filtered after being stirred to react 8h, be washed to neutrality, dry
It is dry.
Foaming agent the preparation method comprises the following steps: by cow hoof angle crush drying after be added to back flow reaction 3.5h in sodium hydroxide solution
Afterwards, hydrolyzate is obtained by filtration, adds lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin, stirs 35min.
Above-mentioned chemical reaction kettle heat insulating material for external the preparation method is as follows:
By UHPC, aperture perlite, closed perlite, aerosil, modified straw, quartz glass fibre, powder
Coal ash, polyvinyl alcohol, organosilicon moisture repellent, fire retardant are added in concrete mixer, add water and stir to form slurry；Utilize sky
Foaming agent is injected into concrete mixer by air compressor, after 100r/min stirs 45min, pours into sealing moulding 2h in mold
After be warming up to 50 DEG C, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, be finally putting into curing box and conserve 12h, demould, room
Temperature ageing 12d.
Substantially the same manner as Example 1, difference is, is added without acrylic emulsion, styrene-acrylic emulsion.
Performance detection:
The following table 1 is performance of heat protective material testing result prepared by 1-3 of the embodiment of the present invention and comparative example 1.
Table 1:
To sum up, the embodiment of the present invention has the following beneficial effects: that thermal insulation material thermal coefficient of the present invention is small, every mechanical property
Can be high, medium density is suitable as the use of chemical reaction kettle heat insulating material for external.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of chemical reaction kettle heat insulating material for external, which is characterized in that the constituent including following parts by weight: UHPC
120-150 parts, 10-18 parts of acrylic emulsion, 6-12 parts of styrene-acrylic emulsion, 20-30 parts of aperture perlite, closed perlite 10-20
Part, 40-60 parts of aerosil, 8-16 parts of modified straw, 5-15 parts of inorganic reinforcing fiber, 30-35 parts of flyash, poly- second
4-10 parts of enol, 1-5 parts of hydrophober, 1-5 parts of fire retardant, 3-8 parts of foaming agent, 150-200 parts of water.
2. chemical reaction kettle heat insulating material for external as described in claim 1, which is characterized in that the composition including following parts by weight
Ingredient: 125 parts of UHPC, 14 parts of acrylic emulsion, 11 parts of styrene-acrylic emulsion, 28 parts of aperture perlite, 13 parts of closed perlite, two
44 parts of silica aerogel, 15 parts of modified straw, 10 parts of inorganic reinforcing fiber, 33 parts of flyash, 6 parts of polyvinyl alcohol, hydrophober 2
Part, 4 parts of fire retardant, 4 parts of foaming agent, 180 parts of water.
3. chemical reaction kettle heat insulating material for external as described in claim 1, which is characterized in that the composition including following parts by weight
Ingredient: 150 parts of UHPC, 18 parts of acrylic emulsion, 8 parts of styrene-acrylic emulsion, 30 parts of aperture perlite, 12 parts of closed perlite, dioxy
45 parts of SiClx aeroge, 10 parts of modified straw, 12 parts of inorganic reinforcing fiber, 33 parts of flyash, 5 parts of polyvinyl alcohol, hydrophober 2
Part, 5 parts of fire retardant, 8 parts of foaming agent, 200 parts of water.
4. chemical reaction kettle heat insulating material for external as described in claim 1, which is characterized in that the modified straw can be by wheat
Stalk, broomcorn straw, rape stalk, any one in rice straw are prepared.
5. chemical reaction kettle heat insulating material for external as claimed in claim 4, which is characterized in that the preparation method of the modified straw
Are as follows: it is crushed after drying stalk, is added to N, in N- dimethylene formamide, add plant after ultrasonic vibration processing 20-50min
Acid and urea, are heated to 70-80 DEG C, filter after being stirred to react 5-10h, be washed to neutrality, drying.
6. chemical reaction kettle heat insulating material for external as claimed in claim 5, which is characterized in that the inorganic reinforcing fiber is quartz
At least one of glass fibre, boron fibre, basalt fibre, carbon fiber.
7. chemical reaction kettle heat insulating material for external as claimed in claim 6, which is characterized in that the hydrophober is organosilicon hydrophobic
Agent.
8. chemical reaction kettle heat insulating material for external as claimed in claim 7, which is characterized in that the fire retardant is that microencapsulation is red
Phosphorus and aluminium hydroxide are mixed by weight 1:1.
9. chemical reaction kettle heat insulating material for external as claimed in claim 8, which is characterized in that the preparation method of the foaming agent
Are as follows: it is added in sodium hydroxide solution after back flow reaction 2-4h after cow hoof angle is crushed drying, hydrolyzate is obtained by filtration, adds
Lauryl sodium sulfate, ferric sulfate, beta-cyclodextrin stir 30-50min.
10. the preparation method of chemical reaction kettle heat insulating material for external as claimed in any one of claims 1-9 wherein, which is characterized in that
The following steps are included:
It (1) will be by UHPC, acrylic emulsion, styrene-acrylic emulsion, aperture perlite, closed perlite, aerosil, modification
Stalk, inorganic reinforcing fiber, flyash, polyvinyl alcohol, hydrophober, fire retardant are added in concrete mixer, are added water and stirred
Form slurry；
(2) foaming agent is injected into concrete mixer using air compressor, after 100-200r/min stirs 40-60min,
It pours into and is warming up to 50 DEG C in mold after sealing moulding 1-2h, keep the temperature 40min, then be warming up to 95 DEG C, keep the temperature 80min, be finally putting into
10-20h is conserved in curing box, is demoulded, and room temperature is aged 7-12d.
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