CN102518912A - Heat preservation and insulation plate and method for manufacturing same - Google Patents

Abstract

The invention provides a heat preservation and insulation plate and a method for manufacturing the same. The heat preservation and insulation comprises a central layer and protection layers. The central layer is mutually squeezed and adhered into a whole body; the protection layers are arranged on two side surfaces of the central layers; the central layer comprise a heat insulation central layer and ceramic fiber cloth which is adhered to the two side surfaces of the heat insulation central layer; the protection layers comprise heat insulation protection layers and ceramic fiber cloth, wherein the heat insulation protection layer is adhered to the ceramic fiber cloth of the central layer, and the ceramic fiber cloth is adhered to the outer side surfaces of the heat insulation protection layers. The method for manufacturing the heat preservation and insulation plate comprises the following steps: manufacturing the protection layers, forming the heat preservation and insulation plate, drying and cutting. The heat preservation and insulation plate has good heat preservation performance and effect, long service life, high strength and high temperature resistance, is manufactured from the common raw materials and can be produced by batch.

Description

Thermal insulation thermal insulation board and production method thereof

Technical field

The invention provides a kind of multilayer insulation composite sheet of using aspect the heat insulation and heat preservation energy-saving in industry, and the production method of this composite sheet.

Background technique

Along with social industrial expansion, " saving energy and reduce the cost " is increasing is mentioned that especially industrial heat preservation more and more receives the attention of industry-by-industry, has also caused national concern.At present, aspect industrial heat preservation,, always there is unsatisfactory place though different energy-saving materials is arranged using.The thermal baffle high insulating effect that has, but thermal insulating material intensity is low, and at high temperature easy consumption causes working life short; The thermal baffle intensity that has is high, heat-resisting quantity might as well, but heat insulating ability is bad, so just presses for a kind of appearance of new thermal baffle, and good heat insulating ability should be arranged, and certain intensity and working life are arranged again.

In the prior art, mainly be that white carbon is applied to plastics, rubber and is coated with the additive in the material products in " the fine chemistry industry dictionary " of Wang Daquan, this does not mention at all and is applied to insulation and heat insulation; In " nano-hole silica thermoinsulation material " (thermal insulating material and power-saving technology, 2000 3 phases) of Zhou Liming, Deng Wei paper, propose nanometer SiO2 is used as heat insulating material, but do not have further to set forth careful application mode and method; Jin Ke proposes synthetic latexs such as white carbon, how empty Al2O3-SiO2 composite nano materials, IPN grid polymer in patent " complex reflex thermal insulation, vibration damping and noise reducing plate and manufacturing process thereof "; Again with bonding insulation and the noise reduction of being used for of metal foil; But this product is damaged easily, and working life is short.

Summary of the invention

The purpose of this invention is to provide a kind of existing good heat insulating ability; The very thermal baffle of long life is arranged again, and this thermal baffle raw material is common, high insulating effect, intensity are high, high temperature resistant, long service life, can realize thermal insulation thermal insulation board and the production method thereof produced in enormous quantities.

Technological scheme of the present invention is:

The present invention provides a kind of thermal insulation thermal insulation board; This thermal baffle comprises bonding all-in-one-piece central core of mutual extrusion and the protective layer that is positioned at said central core both side surface; Said central core comprise heat insulation central core with the mutually bonding ceramic fiber cloth of said heat insulation central core both side surface, said protective layer comprise with said central core in the mutually bonding heat-protective coating of ceramic fiber cloth and with the mutually bonding ceramic fiber cloth of said heat-protective coating outer surface.

Preferably, in the above-mentioned thermal insulation thermal insulation board, said central core can be individual layer or two-layer or multilayer.

Preferably, in the above-mentioned thermal insulation thermal insulation board, said heat-protective coating is obtained through being mixed with by the raw material that comprises following parts by weight: silicon powder: 40-68 part; Short fibre: 14-22 part; SiO₂Powder: 5-15 part; Polyacrylate: 22-38 part; Acrylic acid 5-20 part.

Preferably, in the above-mentioned thermal insulation thermal insulation board, said heat insulation central core is stirred through mixing and water adding by the raw material that comprises following parts by weight and prepares: white carbon: 30-38 part; Rock wool: 8-15 part; Nano SiC powder: 14-22 part; SiO₂Powder: 3-8 part; CaO:22-38 part.

The present invention also provides the production method of above-mentioned thermal insulation thermal insulation board, may further comprise the steps:

(1) protective layer manufacturing: one deck ceramic fiber cloth and heat-protective coating is compound, and layer is protected;

(2) central core manufacturing: the heat insulation central core of one deck with the two-layer ceramic fibre cloth is compound up and down, is formed central core;

(3) thermal baffle forms: central core and last lower protective layer is compound, form thermal baffle;

(4) oven dry:, send into oven dry and curing in the drying oven with the thermal baffle that forms;

(5) cut: the thermal baffle after will drying and solidify, size is as required cut, and obtains the thermal baffle finished product.

Advantage and good effect that the present invention has are:

1, heat insulation and preservation effect is good, and heat insulation central core is the core of heat-insulation and heat-preservation, and heat-protective coating also has the effect of heat-insulation and heat-preservation simultaneously, and the two intersects each other, makes heat insulating effect improve greatly, is 2-5 times of common thermal baffle; 2, improve working life, heat insulation central core both sides make it avoid destroying respectively with the heat-protective coating protection, can reach working life more than 5 times; 3, thermal baffle is rational in infrastructure, and the heat-protective coating heat-resisting quantity is good on the one hand, under high temperature condition, is difficult for carbonization, has guaranteed that the thermal baffle thickness loss is little; The multilayer ceramic fibre cloth can provide certain toughness on the other hand, makes thermal baffle can carry out the bending of appropriateness as required; 4, process engineering is simple, can realize producing in batches, is easy to promote on a large scale.

Description of drawings

Fig. 1 is a composite plate structure schematic representation of the present invention

1, heat-protective coating 2, heat insulationcentral core 3, ceramic fiber cloth

Embodiment

As shown in Figure 1; This thermal baffle of the present invention comprises bonding all-in-one-piece central core of mutual extrusion and the protective layer that is positioned at said central core both side surface; Said central core comprise heat insulationcentral core 2 with the mutually bondingceramic fiber cloth 3 of said heat insulationcentral core 2 both side surface, said protective layer comprise with said central core in the mutually bonding heat-protective coating 1 ofceramic fiber cloth 3 and with the mutually bondingceramic fiber cloth 3 of said heat-protective coating 1 outer surface.

A kind of production method of thermal insulation thermal insulation board comprises the steps:

(1) protective layer manufacturing:

1.1 slurrying: component is: silicon powder: 40-68 part; Short fibre: 14-22 part; SiO₂Powder: 5-15 part; Polyacrylate: 22-38 part; Acrylic acid 5-20 part stirs, and forms thick slurry, makes heat-protective coating;

1.2 uncoiling: the ceramic fiber cloth of rolling is sent in the production line, made its uncoiling and transmission forward at the uniform velocity;

1.3 blanking: the heat-protective coating that makes in the step 1.1 is pumped on the ceramic fiber cloth in advancing;

1.4 coating: with coating blade heat-protective coating is wipeed off, guaranteed the thermal insulation protection layer thickness uniformity above the ceramic fiber cloth, rugged phenomenon must not occur;

1.5 roll-in: the heat-protective coating of strickling together gets into rolling device with ceramic fiber cloth, through roll-in heat-protective coating and ceramic fiber cloth is bonded together firmly, forms the protective layer of bottom;

(2) central core manufacturing:

2.1 slurrying: component is: white carbon: 30-38 part; Rock wool: 8-15 part; Nano SiC powder: 14-22 part; SiO₂Powder: 3-8 part; CaO:22-38 part stirs, and adds water then gradually and stirs, and stir to being thick, makes heat insulation central core;

2.2 uncoiling: the ceramic fiber cloth of rolling is sent in the production line, above the protective layer after making it cover step 1.5 roll-in, and transmission forward at the uniform velocity;

2.3 blanking: the heat insulation central core that step 2.1 is stirred pumps into above step 2.2 ceramic fiber cloth in advancing, and then on heat insulation central core, covers one deck ceramic fiber cloth, obtains central core;

2.4 roll-in: protective layer and central core are carried out roll-in, and protective underlayer layer and top one deck central core is compound below forming;

(3) thermal baffle forms:

3.1 blanking: the heat-protective coating that step 1.1 is stirred pumps into above the ceramic fiber cloth of step 2.3 central core in advancing, and then on heat-protective coating, covers one deck ceramic fiber cloth, forms the protective layer of top layer;

3.2 roll-in: the thermal baffle in advancing is carried out roll-in, the thermal baffle of the protective layer of formation bottom and the protective layer of middle central core and top layer, the compound completion of thermal baffle;

(4) oven dry:

The compound good thermal baffle of roll-in sent into through conveyor belt dry in the drying oven and solidify, make each constituent element of thermal baffle be cured as one, bake out temperature is 300-800 ℃;

(5) cut:

Heat-insulating composite panel size as required after the oven dry is cut, obtain into the finished thermal insulation plate of piece, through packing again after the assay was approved.

More than one embodiment of the present of invention are specified, but said content is merely preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to application range of the present invention change and improve etc., all should still belong within the patent covering scope of the present invention.

Claims (5)

1. thermal insulation thermal insulation board; It is characterized in that: this thermal baffle comprises bonding all-in-one-piece central core of mutual extrusion and the protective layer that is positioned at said central core both side surface; Said central core comprise heat insulation central core with the mutually bonding ceramic fiber cloth of said heat insulation central core both side surface, said protective layer comprise with said central core in the mutually bonding heat-protective coating of ceramic fiber cloth and with the mutually bonding ceramic fiber cloth of said heat-protective coating outer surface.

2. thermal insulation thermal insulation board according to claim 1 is characterized in that: said central core can be individual layer or two-layer or multilayer.

3. thermal insulation thermal insulation board according to claim 1 and 2 is characterized in that: said heat-protective coating is obtained through being mixed with by the raw material that comprises following parts by weight: silicon powder: 40-68 part; Short fibre: 14-22 part; SiO₂Powder: 5-15 part; Polyacrylate: 22-38 part; Acrylic acid 5-20 part.

4. according to each described thermal insulation thermal insulation board of claim 1-3, it is characterized in that: said heat insulation central core is stirred through mixing and water adding by the raw material that comprises following parts by weight and prepares: white carbon: 30-38 part; Rock wool: 8-15 part; Nano SiC powder: 14-22 part; SiO₂Powder: 3-8 part; CaO:22-38 part.

5. production method like each described thermal insulation thermal insulation board of claim 1-4 is characterized in that: may further comprise the steps:

(1) protective layer manufacturing: one deck ceramic fiber cloth and heat-protective coating is compound, and layer is protected;

(2) central core manufacturing: the heat insulation central core of one deck with the two-layer ceramic fibre cloth is compound up and down, is formed central core;

(3) thermal baffle forms: central core and last lower protective layer is compound, form thermal baffle;

(4) oven dry:, send into oven dry and curing in the drying oven with the thermal baffle that forms;

(5) cut: the thermal baffle after will drying and solidify, size is as required cut, and obtains the thermal baffle finished product.

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