CN105275105A - Aerogel composite sound and heat insulation partition wall board and preparation method thereof - Google Patents
Aerogel composite sound and heat insulation partition wall board and preparation method thereof Download PDFInfo
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- CN105275105A CN105275105A CN201510732258.5A CN201510732258A CN105275105A CN 105275105 A CN105275105 A CN 105275105A CN 201510732258 A CN201510732258 A CN 201510732258A CN 105275105 A CN105275105 A CN 105275105A
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Abstract
The present invention discloses an aerogel composite sound and heat insulation partition wall board and a preparation method thereof. The partition wall board comprises a surface layer and a sound and heat insulation core layer. The surface layer is a hollow closed shell structure. The sound and heat insulation core layer is arranged in the surface layer and comprises an aerogel layer, and the outer surfaces of two sides of the surface layer are provided with a tenon and a mortise. According to the aerogel composite sound and heat insulation partition wall board and the preparation method, by using the characteristics of excellent light weight, heat insulation and sound insulation of the aerogel material, the invention provides environment-friendly partition wall board with light weight, heat insulation and sound insulation, the heat insulation effect is good and can be reduced to less than the half of a foam cement thermal conductivity coefficient, the strength is high, the partition wall board is an all inorganic material, the fireproof level is the A level, and the sound insulation effect is good.
Description
Technical field
The present invention relates to heat preservation construction material technical field, be specifically related to a kind of aeroge complex sound insulation heat-preservation partition board and preparation method thereof.
Background technology
Current building exterior wall heat preserving, highrise building requires to adopt inorganic heat insulation material, and therefore most of high-rise building insulation adopts thermal insulation mortar.Thermal insulation mortar is with various light material for aggregate, is gelating material, admixes some property-modifying additives with cement, is uniformly mixed and a kind of premixing dry powder and mortar made, for constructing a kind of constructional materials of building surface insulation layer through manufacturing enterprise.Thermal insulation mortar has following shortcoming: density is large: the weight of insulation layer easily brings difficulty to construction, and increases building framework load-bearing burden; Coefficient of thermal conductivity is high: reach national energy-saving standard, thickness is thicker; Hygroscopicity is large: easily cause weight to exceed standard, come off; Affect by construction factor, Strength Changes is larger.And, existing composite insulation boards is prepared from primarily of internal insulation plate and outside composite material, wherein internal partition hot sheet generally adopts conventional heat insulating material (as foamed plastic), glass fiber or/and the material compactings such as aeroge form, its shortcoming is that effect of heat insulation is undesirable, and purposes scope is narrow.
Summary of the invention
In view of this, the object of this invention is to provide a kind of aeroge complex sound insulation heat-preservation partition board and preparation method thereof, can solve the problem.
A kind of aeroge complex sound insulation heat-preservation partition board, comprising: surface layer and sound-insulating sandwich layer; Described surface layer is the closed shell structure of hollow, and it is inner that described sound-insulating sandwich layer is arranged on described surface layer; Described sound-insulating sandwich layer comprises: aerogel layer; The external surface of the both sides of described surface layer is respectively arranged with tenon and tongue-and-groove.
According to one embodiment of present invention, further, described sound-insulating sandwich layer also comprises: the first foam cement layer, the second foam cement layer; Described aerogel layer is between described first foam cement layer and described second foam cement layer, and described first foam cement layer, described second foam cement layer and described aerogel layer form sandwich structure.
According to one embodiment of present invention, further, described aerogel layer is filled by aerogel particle and is formed; Described aerogel particle comprises: silica aerogel particles, alumina aerogel particles.
According to one embodiment of present invention, further, described surface layer is the closed shell structure of the hollow surrounded by cement board.
According to one embodiment of present invention, further, gypsum plank, stone material, imitative stone material, cardboard, color steel or decorative panel is fixedly fitted with on the surface of described surface layer.
A preparation method for aeroge complex sound insulation heat-preservation partition board as above, comprising: build face stock in a mold, and described face stock is portland-type cement; After waiting for the sclerosis of described face stock, the demoulding is for subsequent use, the hollow form surface layer that generation both ends open, periphery are airtight, and is respectively arranged with tenon and tongue-and-groove on the external surface of described surface layer framework both sides; Wherein, demould time sets according to face stock; Two pieces of baffle plates are oppositely arranged, reserved cavity between described two pieces of baffle plates in described surface layer framework after hardened forming; Between described two pieces of baffle plates and the inwall of described surface layer framework, pour into foam cement respectively and shaping, natural curing recession, except described two pieces of baffle plates, forms the first foam cement layer and the second foam cement layer; Gas injection gel particle in described cavity between described first foam cement layer and described second foam cement layer, forms aerogel layer; By the closed at both ends of described face stock by described surface layer framework, generate aeroge complex sound insulation heat-preservation partition board.
According to one embodiment of present invention, further, the density of described surface layer is 600-3000kg/m
3; The density of described first foam cement layer and described second foam cement layer is 200-700kg/m
3; The particle diameter 1-4mm of described aerogel particle, the specific area 400-1000m2/g of described aerogel layer, density are 30-100kg/m
3.
According to one embodiment of present invention, further, the density of described surface layer is 800-2000kg/m
3;; The density of described first foam cement layer and described second foam cement layer is 300-400kg/m
3; The particle diameter 2-2mm of described aerogel particle, the specific area 600-800m2/g of described aerogel layer, density are 50-70kg/m
3.
According to one embodiment of present invention, further, the thickness of described surface layer is 3-20mm, and the thickness of described aerogel layer is 2-20mm.
According to one embodiment of present invention, further, the coefficient of thermal conductivity 0.03-0.14W/ (mK) of described aeroge complex sound insulation heat-preservation partition board, soundproof effect reach 40-100dB.
Aeroge complex sound insulation heat-preservation partition board of the present invention and preparation method thereof, utilize the lightweight of aerogel material excellence, heat insulation, sound damping, a kind of novel light, insulation, sound insulation, environment-friendly type partition board and preparation method thereof are provided, effect of heat insulation is better, can be reduced to below foam cement coefficient of thermal conductivity half, and intensity is very high, full-inorganic material, fire-protection rating is A level, and soundproof effect is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1A, 1B are the structural representation of an embodiment according to aeroge complex sound insulation heat-preservation partition board of the present invention; Wherein, Figure 1A is sectional drawing, and Figure 1B is the A-A sectional drawing of Figure 1A.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Hereafter convenient in order to describe, hereinafter alleged "left", "right", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent." front end ", " rear end " or " end " etc. are the left and right of accompanying drawing itself.In the present invention, " first ", " second " etc. are distinguished on describing, not other special implication.
As shown in Figure 1A and 1B, the invention provides a kind of aeroge complex sound insulation heat-preservation partition board, comprising: surface layer 1 and sound-insulating sandwich layer.Surface layer 1 is the closed shell structure of hollow, and it is inner that sound-insulating sandwich layer is arranged on surface layer 1.Sound-insulating sandwich layer comprises: aerogel layer 3.The external surface of surface layer 1 both sides is respectively arranged with tenon 5 and tongue-and-groove 6.Tenon 5 and tongue-and-groove 6 can be arranged according to concrete demand, and such as, tenon 5 and tongue-and-groove 6 are separately positioned on left and right, the front and back, up and down both sides of surface layer 1, also can be arranged on adjacent both sides.
Sound-insulating sandwich layer can have various structures, only can include independent aerogel layer 3, and material layer and the aerogel layer 3 that also can comprise other form sandwich structure.Such as, sound-insulating sandwich layer also comprises: the first foam cement layer 2, second foam cement layer 4.Aerogel layer 3 is between the first foam cement layer 2 and the second foam cement layer 4, and the first foam cement layer 2, second foam cement layer 4 and aerogel layer 3 form sandwich structure.
Aeroge complex sound insulation heat-preservation partition board in above-described embodiment, for lightweight aeroge complex sound insulation heat-preservation partition board, this partition board is made up of surface layer, sound-insulating sandwich layer, and there is male and female falcon groove on both sides, only sheet material need be erected during installation, male and female falcon is assembled after coating a small amount of filleting mortar.
In one embodiment, aerogel layer 3 is filled by aerogel particle or powder etc. and is formed.Such as, aerogel particle comprises: silica aerogel particles, alumina aerogel particles etc.Surface layer 1 can adopt all kinds of being suitable for of production to build shaping through mould as the raw material of partition board, as the raw materials for production of calcium silicate board, the raw materials for production of gypsum plank, also can adopt aluminate cement, magnesite class cement, no first-hand datum class cement etc.
Such as, surface layer 1 is the closed shell structure of the hollow surrounded by cement board or gypsum plank, can adopt polylith cement board or gypsum splicing, and be bondd by cementing agent, or template also can be adopted first to generate the framework of hollow, then close two ends.Aerogel layer 3 can select carbon aerogels, metal oxide aerogel outside silica removal aeroge, as titania aerogel, alumina aerogels, zinc oxide aeroge etc.
For strengthening attractive in appearance and adapting to plurality of application scenes, gypsum plank, stone material, imitative stone material, cardboard, color steel or decorative panel fixedly can be fitted with on the surface of surface layer 1.Surface layer 1 and various sheet material can adopt adhesive glue bonding, and cementing agent comprises: polyurethane, silicone sealant, glass cement etc.Also first various sheet material can be fitted in the surface of surface layer 1, then be bolted or buckle connect be fixed.
Aeroge complex sound insulation heat-preservation partition board in above-described embodiment, large for current light thermal-insulation partition board density, body of wall is thick and heavy, insulation and effect of heat insulation is poor, easy firing or to be subject to the problem of Thermal release pernicious gas, a kind of light-weight inorganic sound-insulating partition board is proposed, this product weight is light, thickness is thin, sound insulation value is good, superthermal insulation, save space, belong to harmless A level fire-proof construction material.This partition board can be poured into a mould through streamline, flatten, maintenance forms, and production automation degree is high, and the high-efficiency automatic realizing plurality of specifications product is produced.
The invention provides a kind of preparation method of aeroge complex sound insulation heat-preservation partition board as above, comprising: build face stock in a mold, face stock is portland-type cement.After waiting for face stock sclerosis, the demoulding is for subsequent use, the hollow form surface layer that generation both ends open, periphery are airtight, and is respectively arranged with tenon and tongue-and-groove on the external surface of surface layer framework both sides; Wherein, demould time sets according to face stock.
Two pieces of baffle plates are oppositely arranged, reserved cavity between two pieces of baffle plates in surface layer framework after hardened forming.Between two pieces of baffle plates and the inwall of surface layer framework, pour into foam cement respectively and shaping, natural curing recession, except two pieces of baffle plates, forms the first foam cement layer and the second foam cement layer.Gas injection gel particle in cavity between the first foam cement layer and the second foam cement layer, forms aerogel layer.By the closed at both ends of face stock by surface layer framework, generate aeroge complex sound insulation heat-preservation partition board.
In one embodiment, surface layer is built in the mould of certain specification, employing raw material is portland-type cement, including but not limited to portland cement, Portland cement, portland pozzolan cement, Portland fly ash cement, portland slag cement, Composite portland cement etc.After hardening of cement, the demoulding is for subsequent use, and demould time uses the setting of cement feature according to concrete, preferably, is good with Rapid harding portland cement.
Apply two pieces of baffle plates in cement surface layer framework 1 after hardened forming, shaping at two pieces of baffle plate peripheral injection foam cements, more than natural curing 8h, removes baffle plate, forms the foam cement layer of both sides.In cavity between the foam cement layer of both sides, perfusion silica aerogel particles, and close with fabric 1.The specification of the aeroge complex sound insulation heat-preservation partition board produced is as shown in table 1 below:
The specification table of table 1-aeroge complex sound insulation heat-preservation partition board
The thickness of the foam cement layer of aeroge complex sound insulation heat-preservation partition board of the present invention carries out calculating adjustment according to the thickness of partition board thickness, surface layer and aerogel layer.The particle diameter of the silica that aerogel layer is filled is 1-4mm, and preferably, particle diameter is 2-3mm is good.The specific area of aerogel layer is 400-1000m
2/ g, preferably, considering cost and effect, with 600-800m
2/ g is good.
The density of silica aerogel layer is 30-100kg/m
3, preferably, density is 50-70kg/m
3for good.The density of foam cement layer is 200-700kg/m
3, preferably, with 300-400kg/m
3for good.The density of surface layer is 600-3000kg/m
3, preferably, according to different product specification, with 800-2000kg/m
3for good.The coefficient of thermal conductivity of the aeroge complex sound insulation heat-preservation partition board produced is 0.03-0.14W/ (mK), and soundproof effect reaches 40-100dB.
Aeroge complex sound insulation heat-preservation partition board that above-described embodiment provides and preparation method thereof, utilize the lightweight of aerogel material excellence, heat insulation, sound damping, a kind of novel light, insulation, sound insulation, environment-friendly type partition board and preparation method thereof are provided, to overcome the deficiencies in the prior art, particularly partition board coefficient of thermal conductivity can be reduced to below foam cement coefficient of thermal conductivity half, minimumly reaches 0.04W/ (mK).
The aeroge complex sound insulation heat-preservation partition board that above-described embodiment provides, thinner relative to existing partition board, lighter, but effect of heat insulation is better, can be reduced to below foam cement coefficient of thermal conductivity half, minimumly reach 0.03W/ (mK), and intensity is very high, full-inorganic material, fire-protection rating is A level, and due to the superior acoustic performance of aeroge, this partition board soundproof effect is good.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values to illustrate technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
Simultaneously, if the invention described above discloses or relate to component or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use casting technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent ingredient, and also can be one of the forming manufacture technics separate part out.
Those skilled in the art, at consideration manual and after putting into practice invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Manual and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (10)
1. an aeroge complex sound insulation heat-preservation partition board, is characterized in that, comprising:
Surface layer and sound-insulating sandwich layer;
Described surface layer is the closed shell structure of hollow, and it is inner that described sound-insulating sandwich layer is arranged on described surface layer; Described sound-insulating sandwich layer comprises: aerogel layer; The external surface of the both sides of described surface layer is respectively arranged with tenon and tongue-and-groove.
2. aeroge complex sound insulation heat-preservation partition board as claimed in claim 1, is characterized in that:
Described sound-insulating sandwich layer also comprises: the first foam cement layer, the second foam cement layer;
Described aerogel layer is between described first foam cement layer and described second foam cement layer, and described first foam cement layer, described second foam cement layer and described aerogel layer form sandwich structure.
3. aeroge complex sound insulation heat-preservation partition board as claimed in claim 2, is characterized in that:
Described aerogel layer is filled by aerogel particle and is formed;
Described aerogel particle comprises: silica aerogel particles, alumina aerogel particles.
4. aeroge complex sound insulation heat-preservation partition board as claimed in claim 2, is characterized in that:
Described surface layer is the closed shell structure of the hollow surrounded by cement board.
5. aeroge complex sound insulation heat-preservation partition board as claimed in claim 2, is characterized in that:
Gypsum plank, stone material, imitative stone material, cardboard, color steel or decorative panel is fixedly fitted with on the surface of described surface layer.
6. a preparation method for the aeroge complex sound insulation heat-preservation partition board as described in claim 2 to 5 any one, is characterized in that, comprising:
Build face stock in a mold, described face stock is portland-type cement;
After waiting for the sclerosis of described face stock, the demoulding is for subsequent use, the hollow form surface layer framework that generation both ends open, periphery are airtight, and is respectively arranged with tenon and tongue-and-groove on the external surface of described surface layer framework both sides; Wherein, demould time sets according to face stock;
Two pieces of baffle plates are oppositely arranged, reserved cavity between described two pieces of baffle plates in described surface layer framework after hardened forming;
Between described two pieces of baffle plates and the inwall of described surface layer framework, pour into foam cement respectively and shaping, natural curing recession, except described two pieces of baffle plates, forms the first foam cement layer and the second foam cement layer;
Gas injection gel particle or powder in described cavity between described first foam cement layer and described second foam cement layer, form aerogel layer;
By the closed at both ends of described face stock by described surface layer framework, generate aeroge complex sound insulation heat-preservation partition board.
7. method as claimed in claim 6, is characterized in that:
The density of described surface layer is 600-3000kg/m
3;
The density of described first foam cement layer and described second foam cement layer is 200-700kg/m
3;
The particle diameter 1-4mm of described aerogel particle, the specific area 400-1000m2/g of described aerogel layer, density are 30-100kg/m
3.
8. method as claimed in claim 7, is characterized in that:
The density of described surface layer is 800-2000kg/m
3; ;
The density of described first foam cement layer and described second foam cement layer is 300-400kg/m
3;
The particle diameter 2-2mm of described aerogel particle, the specific area 600-800m2/g of described aerogel layer, density are 50-70kg/m
3.
9. method as claimed in claim 6, is characterized in that:
The thickness of described surface layer is 3-20mm, and the thickness of described aerogel layer is 2-20mm.
10. method as claimed in claim 6, is characterized in that:
Coefficient of thermal conductivity 0.03-0.14W/ (mK), the soundproof effect of described aeroge complex sound insulation heat-preservation partition board are 40-100dB.
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| CN109469223A (en) * | 2018-11-09 | 2019-03-15 | 宁夏大学 | A kind of novel outer maintenance wall of green |
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| CN114190800A (en) * | 2021-12-27 | 2022-03-18 | 广东新中源住工新材料有限公司 | Novel bathroom chassis structure |
| CN114190799A (en) * | 2021-12-27 | 2022-03-18 | 广东新中源住工新材料有限公司 | Chassis manufacturing process method |
| CN114228269A (en) * | 2021-12-27 | 2022-03-25 | 广东新中源住工新材料有限公司 | Assembled wallboard structure |
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| CN114656811A (en) * | 2022-04-12 | 2022-06-24 | 武汉理工大学 | Fireproof heat-preservation heat-insulation inorganic coating material and preparation method thereof |
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| CN114228269A (en) * | 2021-12-27 | 2022-03-25 | 广东新中源住工新材料有限公司 | Assembled wallboard structure |
| CN114274645A (en) * | 2021-12-27 | 2022-04-05 | 广东新中源住工新材料有限公司 | Wallboard manufacturing process |
| CN114228269B (en) * | 2021-12-27 | 2024-03-12 | 舒浪平 | Assembled wallboard structure |
| CN114274645B (en) * | 2021-12-27 | 2024-05-03 | 江苏格构装配式房屋构件有限公司 | Wallboard manufacturing process method |
| CN114656811A (en) * | 2022-04-12 | 2022-06-24 | 武汉理工大学 | Fireproof heat-preservation heat-insulation inorganic coating material and preparation method thereof |
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