62results about How to "Good fire resistance and heat insulation" patented technology

The invention discloses a preparation method for an anti-corrosion and flameproof integrated coating for a thick-type steel structure. The coating is characterized by: preparing an anti-corrosion primer for a fire resistant-type steel structure, wherein the primer is prepared through mixing a component A and silicate cement, wherein the component A comprises emulsions such as acrylic acid waterproof elastic emulsion and the like, aluminium silicate fiber, mica powder, an assistant agent and water; preparing a flameproof coating for a thick-type steel structure, wherein the coating is preparedthrough mixing a component C and the silicate cement, wherein the component C comprises emulsions such as styrene-acrylate emulsion and the like, the aluminium silicate fiber, fly ash floater, expanded perlite, an assistant agent and the water; carrying out steps of cleaning process, the anti-corrosion primer coating, burnishing, the flameproof coating coating and the like for the surface of the steel structure to obtain the anti-corrosion and flameproof integrated coating for the thick-type steel structure, wherein the integrated coating is a system comprising the emulsion, the cement and the aluminium silicate fiber. The prepared coating provided by the present invention has characteristics of low comprehensive cost, anti-corrosion and flameproof integrated coating, and is applicable for the corrosion prevention and the flame protection for load-bearing steel structure components of various buildings in the industries of spaceflight, petroleum, chemical engineering, electric power, metallurgy, national defense, textile and the like.

The invention provides a forsterite four-layered composite brick and a manufacturing method thereof. The forsterite four-layered composite brick is fine in abrasion resistance and heat-insulation performance and high in refractoriness and structural strength, the integrated refractory and heat-insulation function of the composite brick is realized, and an energy-saving effect of a rotary kiln is improved. The forsterite four-layered composite brick comprises a heavy working layer, a first transition layer, a second transition layer and a light heat-insulation layer which are sequentially stacked from bottom to top, the heavy working layer is made of forsterite materials, the first transition layer is made of manganese materials, the second transition layer is made of spinel or manganese, aluminum and chromium or manganese spinel zirconium materials, and the light heat-insulation layer is made of electrically melted hollow balls. The forsterite four-layered composite brick is provided with the transition layers, reaction between the heavy working layer and the light heat-insulation layer can be avoided, the product has excellent refractory and heat-insulation effect under the condition that service lives of materials are not shortened, accordingly, energy consumption, material consumption and refractory materials of the rotary kiln are reduced, and the service life of equipment can be effectively prolonged.

The invention belongs to the technical field of coatings, and particularly relates to a highway tunnel fireproof coating capable of preventing layered falling off and an application. The fireproof coating is prepared from components in parts by weight as follows: 45-50 parts of a binding agent, 20-30 parts of a flame retardant, 10-20 parts of an exciting agent, 0.5-1.5 parts of a waterproof agent,1-2 parts of an air entraining agent, 2-5 parts of a dispersing agent, 5-10 parts of an auxiliary binding agent and 0.5-1 part of pigment and filler, and the fireproof coating is required to be mixedwith distilled water in a ratio being 1:1 for use during preparing. The highway tunnel fireproof coating capable of preventing layered falling off has the advantages of light volume weight, low thermal conductivity and good fire insulation, particularly high bonding strength, is not prone to layered falling off and has good waterproof performance, thereby being suitable for both fireproofing of inner walls of highway tunnels and fireproofing of railway tunnels and petrochemical engineering.

The invention discloses a three-layer composite brick which has good abrasive resistance, high refractoriness, high structure strength and good heat preservation and heat insulation performances, and a preparation method of the three-layer composite brick. The fireproof and heat-insulating integral function of the composite brick is achieved, and the energy-saving effect of a rotary kiln is improved. The three-layer composite brick comprises a heavy work layer, a light heat-insulating layer and a transition layer, wherein the heavy work layer is prepared from a fireproof material as a raw material, the light heat-insulating layer is prepared from a fused hollow ball as a raw material, the transition layer is arranged between the heavy work layer and the light heat-insulating layer, and the transition layer is prepared from spinel or magnesium aluminum chromium or magnesium aluminum titanium or magnesium zirconium spinel as raw materials. As the transition layer is led to the three-layer composite brick disclosed by the invention, reaction between the heavy work layer and the light heat-insulating layer can be avoided, so that the product has a good refractory insulation effect under the condition of not shortening the service life of the materials, so as to play the roles in saving energy consumption, reducing material consumption and reducing the dosage of refractory materials of the rotary kiln, thus the service life of equipment can be effectively prolonged.

The invention belongs to the technical field of color steel tiles, and particularly relates to a composite color steel tile with high fire resistance, which comprises a color steel tile body and heatconducting layers arranged on two sides of the color steel tile body, wherein the outer sides of the heat conducting layer are both provided with a refractory layer, and a surface paint layer is arranged on the outer side of the refractory layer; the refractory layer is prepared, by weight, from the following raw materials: 42-75 parts of clay, 2-7 parts of corundum powder, 1-5 parts of alumina powder, 8-20 parts of silica powder, 10-35 parts of yellow dextrin and 95-130 parts of water; according to the invention, the heat conducting layers are arranged on two sides of the color steel tile body, the refractory layer is arranged on the outer side of each heat conducting layer, when in use, if a fire occurs, the refractory layer has better refractory and heat insulation effects, and, the heat conducting layer can dissipate the heat transferred to the color steel tile body and the deformation problem caused by over centralized heating is avoided.

The invention discloses a microporous fire-resistant thermal-insulation material and a preparation process thereof. The fire-resistant thermal-insulation material comprises the following components in parts by weight: silicon-aluminum sol 5-15 parts, expanded vermiculite powder 20-40 parts, polystyrene granules 4-10 parts, aluminium polychloride 2-8 parts, nano silica micro-powder 10-20 parts, nano titanium dioxide powder 5-15 parts, alumina hollow balls 4-12 parts, ceramic fibers 8-17 parts, magnesium oxide 2-10 parts, aluminum silicate fibers 20-40 parts and alumina 10-20 parts. The preparation process is simple, and the prepared material is good in fire-resisting and thermal-insulation property and good in pressure resistance and wear resistance.

The invention provides a Mg-Al-Ti three-layer composite brick with good wear resistance, high fire resistance, high structural strength and good heat-insulating performance and a preparation method thereof, so that the composite brick has both fire resistance and heat insulating function and the energy-saving effect of a rotary kiln is improved. The Mg-Al-Ti three-layer composite brick comprises a heavy-weight working layer made of Mg-Al-Ti material, a light-weight heat insulating layer made of electric smelting hollow sphere, and a transitional layer arranged between the heavy-weight working layer and the light-weight heat insulating layer and made of spinel, magnesium aluminum chromium or magnesium aluminum titanium or magnesium spinel zirconium. Since the transitional layer is introduced into the Mg-Al-Ti three-layer composite brick, the reaction between the heavy-weight working layer and the light-weight heat insulating layer is avoided and the product has good fire-resistance and heat-insulating effect under the condition that the service life of the materials is not reduced, the functions of lowering energy consumption, reducing material consumption and decreasing the fire-resistance material consumption of the rotary kiln are achieved, and the service life of equipment is prolonged effectively.

The invention provides a forsterite four-layered composite brick and a manufacturing method thereof. The forsterite four-layered composite brick is fine in abrasion resistance and heat-insulation performance and high in refractoriness and structural strength, the integrated refractory and heat-insulation function of the composite brick is realized, and an energy-saving effect of a rotary kiln is improved. The forsterite four-layered composite brick comprises a heavy working layer, a first transition layer, a second transition layer and a light heat-insulation layer which are sequentially stacked from bottom to top, the heavy working layer is made of forsterite materials, the first transition layer is made of manganese materials, the second transition layer is made of spinel or manganese, aluminum and chromium or manganese spinel zirconium materials, and the light heat-insulation layer is made of electrically melted hollow balls. The forsterite four-layered composite brick is provided with the transition layers, reaction between the heavy working layer and the light heat-insulation layer can be avoided, the product has excellent refractory and heat-insulation effect under the condition that service lives of materials are not shortened, accordingly, energy consumption, material consumption and refractory materials of the rotary kiln are reduced, and the service life of equipment can be effectively prolonged.

The invention puts forward a magnesium aluminum spinel three-layer composite brick with good wear resistance, high refractoriness, great structural strength as well as good thermal insulating performance, and its preparation method. The composite brick realizes the integrated fireproof and thermal insulating functions of composite bricks, and improves the energy saving effects of rotary kilns. The magnesium aluminum spinel three-layer composite brick of the invention comprises a heavy working layer prepared from a magnesium aluminum spinel material, a lightweight thermal insulating layer prepared from fused hollow balls, and a transition layer located between the heavy working layer and the lightweight thermal insulating layer and prepared from spinels or magnesium-aluminum-chromium or magnesium-aluminum-titanium or magnesium-spinel-zirconium. The magnesium aluminum spinel three-layer composite brick provided in the invention introduces the transition layer, and can avoid reaction between the heavy working layer and the lightweight thermal insulating layer, so that the product can have good fireproof and thermal insulating effects without reducing the service life of materials, thus playing a role in saving energy consumption, lowering material consumption and reducing refractory material consumption of rotary kilns, and effectively prolonging the service life of equipment.