CN103640284A - Infrared radiation reinforced composite ceramic fiber board and preparation method - Google Patents
Infrared radiation reinforced composite ceramic fiber board and preparation method Download PDFInfo
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Abstract
The invention discloses an infrared radiation reinforced composite ceramic fiber board. The composite ceramic fiber board is formed by compounding an aluminium silicate-based ceramic fiber board layer and a high infrared emittance layer, wherein the thickness of the high infrared emittance layer is 0.1-2mm, and bulges in periodic array distribution are arranged on the surface of the high infrared emittance layer. A method for preparing the infrared radiation reinforced composite ceramic fiber board disclosed by the invention comprises the steps that powder and gel materials are respectively prepared at first, then a wet preform body of the high infrared emittance layer with the periodic array structures on the surface is made by mixing the powder and the gel materials, finally, the surface of the ceramic fiber board is painted and covered with a glue stock and then the ceramic fiber board is reversed on the wet preform body, and the product is prepared after heating and pressuring. The infrared radiation reinforced composite ceramic fiber board disclosed by the invention has the advantages of being high in strength, firm in combination between the high infrared emittance layer and the aluminium silicate ceramic fiber board layer and capable of working at the temperature above 1100 DEG C for a long time, and having the hemispherical total emittance up to 0.91 at 800 DEG C and the comprehensive energy-saving efficiency above 10%.
Description
Technical field
The invention belongs to high temperature kiln energy-saving composite material field, be specifically related to a kind of infra-red radiation and strengthen composite ceramic fiber board material and preparation method thereof.
Background technology
Ceramic beaverboard is the heat-barrier material of common high temperature kiln.Conventional ceramic fiberboard intensity is poor, slag is easily fallen on surface in use procedure, has limited it as the application of burner hearth working face heat-barrier material; In addition, the infrared emittance of the fine plate of common pottery is lower, affected by this, and the effect of heat insulation of the fine plate of common pottery also decreases.To this, Chinese patent CN1552779A and CN101823871A be at inboard wall of burner hearth brushing one deck high emissivity coating material, can play and strengthen effect of heat insulation effect, but thin plane coating material easily comes off, and the service life of this face coat is limited; Chinese patent CN202734535U installs tapered masonry at inboard wall of burner hearth, by increasing Heat Transfer in Furnace area, has improved heat utilization ratio, but tapered masonry volume is large, quality weight, is not suitable for using on ceramic beaverboard inboard wall of burner hearth.Therefore be necessary to develop a kind of far infrared transmissivity high, the while is the composite ceramic fiber board of light durable again.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of infra-red radiation to strengthen composite ceramic fiber board and preparation method.
For achieving the above object, infra-red radiation of the present invention strengthens composite ceramic fiber board, by the fine flaggy of the aluminium base pottery of silicic acid and high IR emissivity layer, is composited.
Further, described high IR emissivity layer thickness is 0.1-2mm.
Further, described high IR emissivity layer (2) surface has the projection that is cyclic array distribution.
Further, the convex shape that described cyclic array distributes is hemispherical, cylinder taper type or honeycomb taper type.
Further, described high IR emissivity layer (2) is mixed by powder and colloid, and the mass ratio of described powder and colloid is 1:1-5.
Further, described powder is composed of the following components by mass:
Further, described colloid is composed of the following components by mass:
Water 55-88 part;
Waterglass 10-30 part;
Carboxymethyl cellulose 1-5 part;
Superfine silicon dioxide.1-10 part.
The invention also discloses a kind of method that infra-red radiation strengthens composite ceramic fiber board of preparing, comprise the following steps:
1), preparing powder body material: a. gets silica 30-75 part, iron oxide 5-15 part, manganese oxide 5-15 part, zirconia 5-15 part, chromium oxide 5-15 part, carborundum 5-15 part; B. the selected raw material of a step are ground and mixed; C. heat treatment b step gained powder; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1um;
2), preparing colloidal materials: a. takes water 55-88 part, waterglass 10-30 part, carboxymethyl cellulose 1-5 part, superfine silicon dioxide 1-10 part; B. be uniformly mixed the selected raw material of a step and obtain thick colloid;
3), prepare the wet blank of high IR emissivity layer: routine 1:1-1:2 gets powder and the step 2 that step 1) makes in mass ratio) colloid that makes, mix and obtain wet blank;
4), composite molding: first the wet blank of step 3 is put into the mould with cyclic array distribution bulge-structure; Then in alumina silicate base ceramic fibre plate external coating one deck step 2) colloidal materials; Then alumina silicate base ceramic fibre plate is tipped upside down on the mould that wet blank is housed; Finally heating pressurization composite molding;
5), the demoulding: take out the composite ceramic fiber board after hot-forming, cooling pruning gets product.
The invention also discloses another kind and prepare the method that infra-red radiation strengthens composite ceramic fiber board, comprise the following steps:
1), preparing powder body material: a. gets silica 30-75 part, iron oxide 5-15 part, manganese oxide 5-15 part, zirconia 5-15 part, chromium oxide 5-15 part, carborundum 5-15 part; B. the selected raw material of a step are ground and mixed; C. heat treatment b step gained powder; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1um;
2), preparing colloidal materials: a. takes water 55-88 part, waterglass 10-30 part, carboxymethyl cellulose 1-5 part, superfine silicon dioxide 1-10 part; B. be uniformly mixed the selected raw material of a step and obtain thick colloid;
3), preparation has the fine plate of the aluminium base pottery of silicic acid of cyclic array projection: a. takes 35-45 part alumina-silicate ceramic fibre, 35-45 part organic bond, 35-45 part additive, 5-7 part inorganic bonding agent; B. the selected raw material of a step are stirred and obtain making pottery fine plate slurry; C. slurry is added in the mould with cyclic array distribution bulge-structure, slurry is vacuumized after dehydration to the demoulding wet base of fine plate of must making pottery;
4), surface spraying high emissivity coating material: a. by the quality of 1:3-1:5 than selecting step 1), 2) powder and the colloidal materials prepared, mix and obtain high IR emissivity coating material; B. high IR emissivity coating material step a being obtained sprays to step 3) the make pottery surface of the wet base band bulge-structure of fine plate of gained, the average thickness of sprayed coating is 0.3-0.5mm;
5), drying and processing: by step 4) the wet base oven dry of the fine plate of the pottery of band coating is hardened and is obtained product.
Further, during described step 1) heat treatment, treatment temperature is 1050-1150 ℃, and the processing time is 10-15 hour.
Beneficial effect of the present invention is: the intensity of infrared enhancing composite ceramic fiber board of the present invention is high, high IR emissivity Ceng Yu ceramic beaverboard basic unit is in conjunction with firm, alligatoring is few, slag is not fallen in use, can be for a long time in more than 1100 ℃ temperature work, flame resistant is washed away with ageing resistace and is better than conventional ceramic fiberboard.Ceramic beaverboard skin of the present invention is compounded with high IR emissivity layer material, can be so that the inner infrared emission of burner hearth significantly strengthens, high IR emissivity layer surface is periodically concaveconvex structure in addition can increase inboard wall of burner hearth swept area, thereby strengthen the inner infrared emission of burner hearth, improve heat utilization rate.After testing, adopt infrared enhancing composite ceramic fiber board prepared by said method in the time of 800 ℃ hemisphere integrated radiant emittance all higher than 0.91, while replacing experiment kiln roof of the furnace and two side conventional ceramic fiberboard with composite ceramic fiber board of the present invention, synthesis energy saving efficiency is up to more than 10%, and in common tempering glass furnace during actual use, energy-saving efficiency can reach 8%.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearer, the invention provides following accompanying drawing and describe, more accurately succinct in order to express, in accompanying drawing, retained portion size parameter, its unit is millimeter:
Fig. 1 is the structural representation with cylinder taper type array of protrusions structure mold, and wherein 1a is front view, the A-A cutaway view that 1b is 1a;
Fig. 2 is the structural representation with hexagon cellular taper type array of protrusions structure mold, and wherein 2a is front view, the B-B cutaway view that 2b is 2a;
Fig. 3 is the perspective view with the mould of spherical arc shape array of protrusions structure, and wherein 3a is front view, the cutaway view along XZ face that 3b is 3a;
Fig. 4 is the cross-sectional view that the obtained infra-red radiation of embodiment 1 strengthens composite ceramic fiber board;
Fig. 5 is the cross-sectional view that the obtained infra-red radiation of embodiment 4 strengthens composite ceramic fiber board.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, described in following examples, umber is mass parts.
Embodiment 1:
The present embodiment is prepared the method that infra-red radiation strengthens composite ceramic fiber board, comprises the following steps:
1, prepare high IR emissivity layer powder body material: a. takes silica 4.5kg, iron oxide 1.5kg, manganese oxide 1kg, zirconia 1kg, chromium oxide 1kg, carborundum 1kg; B. the selected raw material of a step are added to ball mill grinding and mix; C. by b step gained powder 1100 ℃ of heat treatments 12 hours; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1 micron.The selected raw material of this step are technical pure, and its particle diameter is about 200 orders.
2, prepare high IR emissivity layer colloidal materials: a. takes water 10kg, waterglass 2.5kg, carboxymethyl cellulose 0.125kg, superfine silicon dioxide 0.5kg; B. add mixer to stir to obtain thick colloid the selected raw material of a step.
3, prepare the wet blank of high IR emissivity layer: routine 1:1 gets the colloid that powder that step 1 makes and step 2 make in mass ratio, obtains wet blank after mixing.
4, composite molding: first the wet blank of step 3 gained high IR emissivity layer poured in mould, paved material, and suitably control its thickness; Then alumina silicate base ceramic fibre plate, and at external coating one deck step 2 gained colloidal materials; Then alumina silicate base ceramic fibre plate is tipped upside down on the mould that the wet blank of high IR emissivity layer is housed; Finally heat whole system and to alumina silicate base ceramic fibre plate pressurization, finally under 180 ℃ and 0.12MPa, keep completing for 10 minutes composite molding.In the present embodiment, mould therefor as shown in Figure 1, its planar dimension is 400 * 600mm, surface is provided with and is the cylinder taper type bulge-structure that cyclic array distributes, and wherein: cylinder frustum height is 8mm, upper surface diameter is 4mm, bottom diameter is 8mm, each cylinder frustum is close-packed array structure, and lateral cell center distance (being the transversely arranged cycle) is 12mm, and longitudinal arrangement unit center is spaced apart 10mm; Ceramic beaverboard used is common commercially available ceramic beaverboard, and its thickness is 20mm, and planar dimension is 400 * 600mm.
5, the demoulding: take out the composite ceramic fiber board after hot-forming, keep flat and hang to room temperature, then carry out cutting, deburring, grinding and obtain surperficial and radiation intensification composite ceramic fiber board mold cycle cylinder taper type array of protrusions complementary structure.The prepared radiation intensification composite ceramic fiber board of the present embodiment structure as shown in Figure 4, comprise through the fine flaggy 1 of the aluminium base pottery of compound silicic acid and high IR emissivity layer 2, described high IR emissivity layer 2 surface have the bulge-structure that is cyclic array distribution, and its average thickness is 1.8mm.
Embodiment 2:
The present embodiment is prepared the method that infra-red radiation strengthens composite ceramic fiber board, comprises the following steps:
1, prepare high IR emissivity layer powder body material: a. takes silica 3.0kg, iron oxide 0.5kg, manganese oxide 1.5kg, zirconia 0.5kg, chromium oxide 0.5kg, carborundum 1.5kg; B. the selected raw material of a step are added to ball mill grinding and mix; C. by b step gained powder 1150 ℃ of heat treatments 10 hours; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1 micron.The selected raw material of this step are technical pure, and its particle diameter is about 200 orders.
2, prepare high IR emissivity layer colloidal materials: a. takes water 7kg, waterglass 3.75kg, carboxymethyl cellulose 0.4kg, superfine silicon dioxide 0.125kg; B. add mixer to stir to obtain thick colloid the selected raw material of a step.
3, prepare the wet blank of high IR emissivity layer: routine 1:1.5 gets the colloid that powder that step 1 makes and step 2 make in mass ratio, obtains wet blank after mixing.
4, composite molding: first the wet blank of step 3 gained high IR emissivity layer poured in mould, paved material, and suitably control its thickness; Then alumina silicate base ceramic fibre plate, and at external coating one deck step 2 gained colloidal materials; Then alumina silicate base ceramic fibre plate is tipped upside down on the mould that the wet blank of high IR emissivity layer is housed; Finally heat whole system and to alumina silicate base ceramic fibre plate pressurization, finally under 180 ℃ and 0.12MPa, keep completing for 10 minutes composite molding.In the present embodiment, mould therefor as shown in Figure 2, its planar dimension is 400 * 600mm, surface is provided with and is the hexagon cellular taper type bulge-structure that cyclic array distributes, and wherein: cylinder frustum height is 8mm, the upper end length of side is 2mm, the lower end length of side is 4mm, each hexagon cellular frustum is close-packed array structure, and lateral cell center distance (being the transversely arranged cycle) is 12mm, and longitudinal arrangement unit center is spaced apart 10mm; Ceramic beaverboard used is common commercially available ceramic beaverboard, and its thickness is 20mm, and planar dimension is 400 * 600mm.
5, the demoulding: take out the composite ceramic fiber board after hot-forming, keep flat and hang to room temperature, then carry out cutting, deburring, grinding and obtain surperficial and the radiation intensification composite ceramic fiber board complementation of mold cycle hexagon cellular taper type array of protrusions.
Embodiment 3:
The present embodiment is prepared the method that infra-red radiation strengthens composite ceramic fiber board, comprises the following steps:
1, prepare high IR emissivity layer powder body material: a. takes silica 7.5kg, iron oxide 1kg, manganese oxide 0.5kg, zirconia 1.5kg, chromium oxide 1.5kg, carborundum 0.5kg; B. the selected raw material of a step are added to ball mill grinding and mix; C. by b step gained powder 1050 ℃ of heat treatments 15 hours; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1 micron.The selected raw material of this step are technical pure, and its particle diameter is about 200 orders.
2, prepare high IR emissivity layer colloidal materials: a. takes water 11kg, waterglass 1.25kg, carboxymethyl cellulose 0.625kg, superfine silicon dioxide 1.0kg; B. add mixer to stir to obtain thick colloid the selected raw material of a step.
3, prepare the wet blank of high IR emissivity layer: routine 1:2 gets the colloid that powder that step 1 makes and step 2 make in mass ratio, obtains wet blank after mixing.
4, composite molding: first the wet blank of step 3 gained high IR emissivity layer poured in mould, paved material, and suitably control its thickness; Then alumina silicate base ceramic fibre plate, and at external coating one deck step 2 gained colloidal materials; Then alumina silicate base ceramic fibre plate is tipped upside down on the mould that the wet blank of high IR emissivity layer is housed; Finally heat whole system and to alumina silicate base ceramic fibre plate pressurization, finally under 180 ℃ and 0.12MPa, keep completing for 10 minutes composite molding.The present embodiment mould therefor as shown in Figure 3, its planar dimension is 400 * 600mm, surface is provided with and is the spherical protuberances structure that cyclic array distributes, wherein: spherical protuberances height is 15mm, projection spacing is 30mm, in figure, along xz and yz section, be all that sine curve distributes, functional expression meets z=15sin (x π/15) and z=15sin (y π/15); Ceramic beaverboard used is common commercially available ceramic beaverboard, and its thickness is 20mm, and planar dimension is 400 * 600mm.
5, the demoulding: take out the composite ceramic fiber board after hot-forming, keep flat and hang to room temperature, then carry out cutting, deburring, grinding and obtain surperficial and the radiation intensification composite ceramic fiber board complementation of mold cycle hexagon cellular taper type array of protrusions.
Embodiment 4:
The present embodiment is prepared the method that infra-red radiation strengthens composite ceramic fiber board, comprises the following steps:
1, prepare high IR emissivity layer powder body material: a. takes silica 6.5kg, iron oxide 1.2kg, manganese oxide 1.3kg, zirconia 0.8kg, chromium oxide 1.1kg, carborundum 0.6kg; B. the selected raw material of a step are added to ball mill grinding and mix; C. by b step gained powder 1100 ℃ of heat treatments 12 hours; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1 micron.The selected raw material of this step are technical pure, and its particle diameter is about 200 orders.
2, prepare high IR emissivity layer colloidal materials: a. takes water 9kg, waterglass 2.0kg, carboxymethyl cellulose 0.3kg, superfine silicon dioxide 0.5kg; B. add mixer to stir to obtain thick colloid the selected raw material of a step.
3, the fine plate of the aluminium base pottery of silicic acid of the concavo-convex array structure of preparation band periodicity: it is 1～5mm alumina-silicate ceramic fibre that a. takes 4.0kg length, 4.0kg organic bond (selecting resin, starch or cellulose in the present embodiment), 4kg additive (selecting silicon dioxide ultrafine powder body in the present embodiment), 0.6kg inorganic bonding agent (selecting Ludox or aluminium colloidal sol in the present embodiment); B. add mixing tank to stir the selected raw material of a step to obtain making pottery fine plate slurry; C. slurry is put into the mould of concavo-convex array structure periodically, slurry is vacuumized after dehydration to the demoulding and obtain with the wet base of the fine plate of pottery of concavo-convex array structure periodically.In the present embodiment, mould therefor as shown in Figure 1, its planar dimension is 400 * 600mm, surface is provided with and is the cylinder taper type bulge-structure that cyclic array distributes, and wherein: cylinder frustum height is 8mm, upper surface diameter is 4mm, bottom diameter is 8mm, each cylinder frustum is close-packed array structure, and lateral cell center distance (being the transversely arranged cycle) is 12mm, and longitudinal arrangement unit center is spaced apart 10mm; Ceramic beaverboard used is common commercially available ceramic beaverboard, and its thickness is 20mm, and planar dimension is 400 * 600mm.
4, the quality that surface spraying high emissivity coating material: a. presses 1:3, than powder and the colloidal materials of selecting step 1,2 preparations, mixes and obtains high emissivity coating material; B. high emissivity coating material spraying step a being obtained is to the make pottery surface of the wet base band cyclic array structure of fine plate of step 3 gained, and in the present embodiment, the average thickness of sprayed coating is 0.3mm.
5, drying and processing: the wet base of the fine plate of the pottery of step 4 band coating is put into drying room and dry, bake out temperature is about 100 ℃, hardens and obtains product to make pottery fine plate and face coat.The prepared radiation intensification composite ceramic fiber board of the present embodiment structure as shown in Figure 5, comprise through the fine flaggy 1 of the aluminium base pottery of compound silicic acid and high IR emissivity layer 2, the fine flaggy of the aluminium base pottery of described silicic acid 1 surface has the bulge-structure that is cyclic array distribution, high IR emissivity layer 2 is attached on bulge-structure, and surface is also cyclic array convex shape.
Embodiment 5:
The present embodiment is prepared the method that infra-red radiation strengthens composite ceramic fiber board, comprises the following steps:
1, prepare high IR emissivity layer powder body material: a. takes silica 6.5kg, iron oxide 1.2kg, manganese oxide 1.3kg, zirconia 0.8kg, chromium oxide 1.1kg, carborundum 0.6kg; B. the selected raw material of a step are added to ball mill grinding and mix; C. by b step gained powder 1100 ℃ of heat treatments 12 hours; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1 micron.The selected raw material of this step are technical pure, and its particle diameter is about 200 orders.
2, prepare high IR emissivity layer colloidal materials: a. takes water 9kg, waterglass 2.0kg, carboxymethyl cellulose 0.3kg, superfine silicon dioxide 0.5kg; B. add mixer to stir to obtain thick colloid the selected raw material of a step.
3, the fine plate of the aluminium base pottery of silicic acid of the concavo-convex array structure of preparation band periodicity: it is 1～5mm alumina-silicate ceramic fibre that a. takes 6kg length, 5kg organic bond (selecting resin, starch or cellulose in the present embodiment), 6kg additive (selecting silicon dioxide ultrafine powder body in the present embodiment), 1.5kg inorganic bonding agent (selecting Ludox or aluminium colloidal sol in the present embodiment); B. add mixing tank to stir the selected raw material of a step to obtain making pottery fine plate slurry; C. slurry is put into the mould of concavo-convex array structure periodically, slurry is vacuumized after dehydration to the demoulding and obtain with the wet base of the fine plate of pottery of concavo-convex array structure periodically.The present embodiment mould therefor as shown in Figure 3, its planar dimension is 400 * 600mm, surface is provided with and is the spherical protuberances structure that cyclic array distributes, wherein: spherical protuberances height is 15mm, projection spacing is 30mm, in figure, along xz and yz section, be all that sine curve distributes, functional expression meets z=15sin (x π/15) and z=15sin (y π/15); Ceramic beaverboard used is common commercially available ceramic beaverboard, and its thickness is 20mm, and planar dimension is 400 * 600mm.
4, the quality that surface spraying high emissivity coating material: a. presses 1:5, than powder and the colloidal materials of selecting step 1,2 preparations, mixes and obtains high emissivity coating material; B. high emissivity coating material spraying step a being obtained is to the make pottery surface of the wet base band cyclic array structure of fine plate of step 3 gained, and in the present embodiment, the average thickness of sprayed coating is 0.5mm.
5, drying and processing: the wet base of the fine plate of the pottery of step 4 band coating is put into drying room and dry, bake out temperature is about 100 ℃, hardens and obtains product to make pottery fine plate and face coat.
The composite ceramic fiber board that above-described embodiment is made slowly heats up with stove after installing, and at 600 ℃～1100 ℃ temperature, baker just can at high temperature be worked after 24 hours for a long time.
The intensity of infrared enhancing composite ceramic fiber board of the present invention is high, high emissivity Ceng Yu ceramic beaverboard basic unit is in conjunction with firm, alligatoring is few, slag is not fallen in use, can be for a long time in more than 1100 ℃ temperature work, and flame resistant is washed away with ageing resistace and is better than conventional ceramic fiberboard.Ceramic beaverboard skin of the present invention is compounded with high IR emissivity layer material, can be so that the inner infrared emission of burner hearth significantly strengthens, high IR emissivity layer surface is periodically concaveconvex structure in addition can increase inboard wall of burner hearth swept area, thereby strengthen the inner infrared emission of burner hearth, improve heat utilization rate.After testing, adopt infrared enhancing composite ceramic fiber board prepared by said method in the time of 800 ℃ hemisphere integrated radiant emittance all higher than 0.91, while replacing experiment kiln roof of the furnace and two side conventional ceramic fiberboard with composite ceramic fiber board of the present invention, synthesis energy saving efficiency is up to more than 10%, and in common tempering glass furnace during actual use, energy-saving efficiency can reach 8%.
Finally explanation is, above preferred embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can to it, make various changes in the form and details, and not depart from the claims in the present invention book limited range.
Claims (10)
1. infra-red radiation strengthens a composite ceramic fiber board, it is characterized in that: described composite ceramic fiber board is composited by the fine flaggy of the aluminium base pottery of silicic acid (1) and high IR emissivity layer (2).
2. infra-red radiation strengthens composite ceramic fiber board according to claim 1, it is characterized in that: described high IR emissivity layer (2) thickness is 0.1-2mm.
3. infra-red radiation strengthens composite ceramic fiber board according to claim 1, it is characterized in that: described high IR emissivity layer (2) surface has the projection that is cyclic array distribution.
4. infra-red radiation strengthens composite ceramic fiber board according to claim 3, it is characterized in that: the convex shape that described cyclic array distributes is hemispherical, cylinder taper type or honeycomb taper type.
5. according to infra-red radiation described in claim 1-4 any one, strengthen composite ceramic fiber board, it is characterized in that: described high IR emissivity layer (2) is mixed by powder and colloid, the mass ratio of described powder and colloid is 1:1-5.
6. infra-red radiation strengthens composite ceramic fiber board according to claim 5, it is characterized in that: described powder is composed of the following components by mass:
7. infra-red radiation strengthens composite ceramic fiber board according to claim 5, it is characterized in that: described colloid is composed of the following components by mass:
Water 55-88 part;
Waterglass 10-30 part;
Carboxymethyl cellulose 1-5 part;
Superfine silicon dioxide.1-10 part.
8. prepare a method for infra-red radiation enhancing composite ceramic fiber board as claimed in claim 1, it is characterized in that, comprise the following steps:
1), preparing powder body material: a. gets silica 30-75 part, iron oxide 5-15 part, manganese oxide 5-15 part, zirconia 5-15 part, chromium oxide 5-15 part, carborundum 5-15 part; B. the selected raw material of a step are ground and mixed; C. heat treatment b step gained powder; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1um;
2), preparing colloidal materials: a. takes water 55-88 part, waterglass 10-30 part, carboxymethyl cellulose 1-5 part, superfine silicon dioxide 1-10 part; B. be uniformly mixed the selected raw material of a step and obtain thick colloid;
3), prepare the wet blank of high IR emissivity layer: routine 1:1-1:2 gets powder and the step 2 that step 1) makes in mass ratio) colloid that makes, mix and obtain wet blank;
4), composite molding: first the wet blank of step 3 is put into the mould with cyclic array distribution bulge-structure; Then in alumina silicate base ceramic fibre plate external coating one deck step 2) colloidal materials; Then alumina silicate base ceramic fibre plate is tipped upside down on the mould that wet blank is housed; Finally heating pressurization composite molding;
5), the demoulding: take out the composite ceramic fiber board after hot-forming, cooling pruning gets product.
9. prepare a method for infra-red radiation enhancing composite ceramic fiber board as claimed in claim 1, it is characterized in that, comprise the following steps:
1), preparing powder body material: a. gets silica 30-75 part, iron oxide 5-15 part, manganese oxide 5-15 part, zirconia 5-15 part, chromium oxide 5-15 part, carborundum 5-15 part; B. the selected raw material of a step are ground and mixed; C. heat treatment b step gained powder; D. ball milling c step powder obtains the superfine powder that particle diameter is less than 1um;
2), preparing colloidal materials: a. takes water 55-88 part, waterglass 10-30 part, carboxymethyl cellulose 1-5 part, superfine silicon dioxide 1-10 part; B. be uniformly mixed the selected raw material of a step and obtain thick colloid;
3), preparation has the fine plate of the aluminium base pottery of silicic acid of cyclic array projection: a. takes 35-45 part alumina-silicate ceramic fibre, 35-45 part organic bond, 35-45 part additive, 5-7 part inorganic bonding agent; B. the selected raw material of a step are stirred and obtain making pottery fine plate slurry; C. slurry is added in the mould with cyclic array distribution bulge-structure, slurry is vacuumized after dehydration to the demoulding wet base of fine plate of must making pottery;
4), surface spraying high emissivity coating material: a. by the quality of 1:3-1:5 than selecting step 1), 2) powder and the colloidal materials prepared, mix and obtain high IR emissivity coating material; B. high IR emissivity coating material step a being obtained sprays to step 3) the make pottery surface of the wet base band bulge-structure of fine plate of gained, the average thickness of sprayed coating is 0.3-0.5mm;
5), drying and processing: by step 4) the wet base oven dry of the fine plate of the pottery of band coating is hardened and is obtained product.
10. prepare according to claim 8 or claim 9 the method that infra-red radiation strengthens composite ceramic fiber board, it is characterized in that: during described step 1) heat treatment, treatment temperature is 1050-1150 ℃, the processing time is 10-15 hour.
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| CN104329816A (en) * | 2014-10-13 | 2015-02-04 | 山东理工大学 | Preparation method of zinc-slag ceramic heat-collecting plate |
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| CN107434421A (en) * | 2017-08-10 | 2017-12-05 | 航天特种材料及工艺技术研究所 | It is a kind of that there is wave transparent, heat-insulated and load-carrying properties antenna window member and preparation method thereof |
| CN107459359A (en) * | 2017-08-09 | 2017-12-12 | 航天特种材料及工艺技术研究所 | A kind of titanium dioxide silicon substrate light ceramics thermally protective materials and its preparation method and application |
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| CN104098340A (en) * | 2014-07-08 | 2014-10-15 | 中国科学院合肥物质科学研究院 | High emissivity ceramic fiber plate and preparation method thereof |
| CN104315737A (en) * | 2014-10-13 | 2015-01-28 | 山东理工大学 | Method for preparing red mud ceramic heat collecting board |
| CN104329817A (en) * | 2014-10-13 | 2015-02-04 | 山东理工大学 | Method for preparing vanadium-titanium tailings ceramic heat-collecting plate |
| CN104329816A (en) * | 2014-10-13 | 2015-02-04 | 山东理工大学 | Preparation method of zinc-slag ceramic heat-collecting plate |
| CN104315737B (en) * | 2014-10-13 | 2016-01-20 | 山东理工大学 | A kind of preparation method of red mud ceramic heat collecting plate |
| CN104553164A (en) * | 2015-01-12 | 2015-04-29 | 营口创兴科技有限公司 | High-strength nano-ceramic fiber anti-radiation heat insulating plate and preparation method of high-strength nano-ceramic fiber anti-radiation heat insulating plate |
| CN106839779A (en) * | 2017-04-07 | 2017-06-13 | 山东慧敏科技开发有限公司 | A kind of dedicated templates and pouring technology for increasing heater for rolling steel radiant heat transfer area |
| CN107459359A (en) * | 2017-08-09 | 2017-12-12 | 航天特种材料及工艺技术研究所 | A kind of titanium dioxide silicon substrate light ceramics thermally protective materials and its preparation method and application |
| CN107434421A (en) * | 2017-08-10 | 2017-12-05 | 航天特种材料及工艺技术研究所 | It is a kind of that there is wave transparent, heat-insulated and load-carrying properties antenna window member and preparation method thereof |
| CN107434421B (en) * | 2017-08-10 | 2019-12-10 | 航天特种材料及工艺技术研究所 | antenna window component with wave-transmitting, heat-insulating and bearing performances and preparation method thereof |
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