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3888results about "Ceramic materials production" patented technology

Foamed ceramics energy saving and heat preservation decorative wall brick and manufacture method thereof

The invention discloses a foamed ceramics energy saving and heat preservation decorative wall brick and a manufacture method thereof, including the steps of conducting ball milling on 15-65 percent wt of industrial residues, 10-45 percent wt of plastic clay, 15-60 percent wt of solvent, 10-45 percent wt of pore-forming agent with the fineness being 1-100mum and proper amount of water to form slurry; spray drying or dehydration and clay preparation, and forming powder material or clay segment through staleness; and implementing pressure forming to make billet which is burned under heat preservation at temperature of 1140-1240 DEG C to finally form the foamed ceramics wall brick. The wall brick can be used not only for the heat preservation and decoration of external walls, but also for indoor heat preservation and decoration, and the external wall and the indoor space can realize the organic combination of uniform heat preservation and decoration, which agrees with the development direction of heat preservation material industry of external walls. The wall brick has the advantages of: I. high temperature resistance, acid and alkali-resistance, good chemical stability, no ageing, strong durability, long service life, no generation of heat channel and good adhesive fixity; and II. difficult water seepage and crack, strong anti-corrosion capacity, uneasy deformation and damage, simplification of mounting, laying and sticking procedures, convenience for construction, relief of labor intensity and decrease of material consumption quantity.

Municipal sludge expanded ceramsite and preparation method thereof

The invention provides municipal sludge expanded ceramsite and a preparation method thereof. The municipal sludge expanded ceramsite is prepared from the following materials by mass percentage: 20% to 45% of municipal sludge, 50% to 70% of shale, tailings or clay, 1% to 5% of organic matter and 1% to 5% of iron powder, wherein, the tailings is one of pyrite tailings, gold tailings, lead-zinc tailings and aluminum tailings; and the organic matter is sawdust. The preparation method comprises the following steps: feeding the shale, tailings or clay into a crusher, and carrying out the screening treatment; adding and mixing the municipal sludge, the organic matter and the iron powder, feeding into an ageing silo and stirring; then, feeding into a granulating machine, granulating and calcinating in a rotary kiln; and finally, cooling and stacking the calcinated ceramsite by classification. By using a great amount of municipal sludge, the invention is resource-saving and environment-friendly; compared with the original cost, the overall cost of a building is reduced by 5% to 10%; and the prepared expanded ceramsite has the advantages of light weight, fire resistance, sound absorption, good heat insulating and preserving performance, simple process and low cost, so that the invention is suitable for industrialized production.

Ceramic material with multi-stage duct structure and manufacture method thereof

The invention provides a ceramic material with a multi-stage duct structure and a manufacture method thereof. The ceramic material is characterized by being provided with a plurality of macropores with millimeter grade, tens of middle pores with millimeter grade exist on the walls of the macropores, micropores with sizes less than microns exist on the walls of the middle pores. The ceramic material is manufactured by using 10-50 percent by mass of waste and 20-60 percent by mass of natural porous mineral and matching with 10-30 percent by mass of clay through the steps of adding water for mixing, forming, drying, preheating and sintering at a temperature of 1000-1200 DEG C, wherein the waste can be expanded at high temperature or has large ignition lost and easy decomposition and volatilization. The ceramic material has excellent water-absorbing and water-retaining properties, better water permeability, excellent absorption and filtration and light weight, and can be used as a water-absorbing material, a water-retaining material, a water permeating material, a sound insulating material, a heat insulating material, an indoor deodorizing material, an absorbing material, a filtering material and the like to be widely applied to various fields.

Sewage sludge shale ceramic particle and preparation method thereof

Sewage sludge shale ceramsite and a preparation method thereof are provided, which relates to the light energy-saving ceramsite of building materials and a preparation method thereof. The ceramsite of the invention consists of sewage sludge, shale and admixtures; the method of the invention uses the sewage sludge, the shale and the admixtures as raw materials; first, the shale is grinded into shale powder and then the sewage sludge, the shale and the admixtures are mixed and wedged to be granulated into round particles and then enter into a kiln; the products are obtained after going through drying, preheating, barking and being taken out of the kiln for cooling. The ceramsite employs the sewage sludge discharged directly from sewage treatment plants and the shale as major materials, which greatly saves land resource and partial shale mine resource and provides an extremely good way for the non-hazardous and reclaiming treatment of sewage sludge; the method of the invention is simple, energy-saving and resources-saving and the density rank of the ceramsite is 300-700. The ceramsite of the invention can be widely applied in lightweight aggregate bricks, lightweight aggregate sheet materials, lightweight aggregate concrete, etc. and can also be taken as the filter material of sewage treatment, the water-retaining agent in cultivation, etc.
Owner:重庆三益污泥处理有限公司 +1

Architectural ceramic prepared from industrial solid waste through dry method and process for preparing architectural ceramic

ActiveCN103570340AReduce the cost of degummingSave the drying processCeramic materials productionClaywaresFluidized bed dryingThermal insulation
The invention discloses architectural ceramic prepared from industrial solid waste through a dry method and a process for preparing the architectural ceramic. The architectural ceramic comprises the following components in percentage by mass: 30-60% of solid waste, 40-70% of ceramic raw material and 1-3% of ceramic additive, wherein the ceramic raw material is selected from one or a composition of multiple of clay raw material, feldspar raw material or talc, and the ceramic additive is one or a combination of multiple of sodium tripolyphosphate, sodium silicate, ammonium chloride, ammonium citrate, sodium humate, sodium lignin sulfonate sodium, ethylenediamine tetraacetic acid disodium and edetic acid. After being pretreated, the granules of the solid waste are fine and are mixed evenly in a dry mixing manner and a spray drying manner and are directly used for pressing of green bricks or stored in a bin for standby, so that the ball milling energy consumption and the peptization cost are reduced, the humidification pelleting and fluidized bed drying procedures are omitted, the formula can be quickly adjusted according to the functional characteristics of the architectural ceramic, the process is simple and convenient to control, and the architectural ceramic has such good properties as heat preservation, thermal insulation and high strength.

Low-temperature fast-fired ceramic tile and production process thereof

The invention relates to a low-temperature fast-fired ceramic tile and a production process thereof. The blank material of the ceramic tile comprises at least one selected from the group consisting of fine granules produced during grinding and polishing in production of polished tiles, fine granule-containing waste water collected after polishing and a waste polishing material obtained after deposition and press filtration; the blank material of the ceramic tile is composed of, by weight, 48 to 73% of the waste polishing material, 5 to 20% of porcelain sand, 20 to 27% of clay and 2 to 5% of a mineralizer. The production process comprises the following steps: (1) collecting the waste polishing material, carrying out batching according to a formula and then carrying out wet ball milling so as to obtain slurry, wherein the waste polishing material stood for subsequent usage in press filtration and other raw materials are calculated on a dry basis; (2) subjecting the slurry to spray drying so as to obtain powder and carrying out dry-pressing so as to form a ceramic adobe; (3) drying the adobe, glazing the adobe and carrying out surface decoration; and (4) putting a decorated blank into a ceramic roller kiln for firing, wherein fast firing temperature is 1050 to 1140 DEG C, a firing period is 35 to 75 min, and the ceramic tile with a water absorption rate of less than 0.5% is sintered.
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