59results about How to "Save clay resources" patented technology

The invention relates to pet cat litter and its preparation method, which comprises preparing organic base-material 20- 60%, clay 30-80%, binder 0-10%, water absorber 0-20%, surface adsorption substance0- 5%, crushing organic base-material to 30 screen mesh bulkload, processing clay to powder finer than 200 screen mesh, picking organic base material and clay proportionally to making cat litter base body, mixing and stirring the remaining material to making mixed covering material, placing cat litter base body in high-velocity rotating vibration machine, rotating making hydrosphere seeping to the surface of base body, then adding mixed covering material, vibrating slightly for mixing, then sifting and drying, sifting out powder. The inventive cat litter has good deodorant effect, good conglobation property after using, and waste cat litter can combust in favor of environment protection.

A method for comprehensive utilization of red mud, phosphogypsum and coal gangue comprises the following steps: red mud, phosphogypsum and coal gangue are used as main original burning materials, a correction material is taken as a secondary original burning material, a homogeneous moisture material is prepared through two-stage batching process and is shaped or dried and crushed, and then a clinker product including main ingredients of dicalcium silicate, calcium sulphoaluminate and calcium sulphoferrite is prepared through calcination. The clinker produced by the method can be not only directly sold as a product but also further processed into a cementing material or product for sale by utilizing the prior art. The method provided by the invention is simple in process and low in investment, the production scale can be either big or small, a rapid hardening early strength clinker produced by the method is wide in use and relatively higher in value, not only are lots of clay resources and non-renewable burning coal saved, but also environmental pollution caused by waste pollutants are effectively reduced, secondary disasters is prevented, and high industrial competitiveness and favorable investment economical efficiency are realized.

The invention discloses a steel structured wide-bay energy-saving residential building with gypsum walls and an on-site layering and sectioning manufacturing method. A steel grid framework is adopted as an outer wall or a skeleton of separation load-bearing walls, and is spliced by preformed steel members on site, and the steel members are connected by high strength bolts on site; after a section of steel grid framework in the height of the steel members is spliced, a wall pouring template is adopted to surround the section of steel grid framework; then gypsum slurry is poured into a cavity of the steel members surrounded by the template in an on-site pouring mode to fill the gypsum slurry into the cavity of the steel members and completely cover the constructed steel grid framework; and the steps are repeated to manufacture the steel structured wide-bay energy-saving residential building with the gypsum walls. The building has the advantages of high construction efficiency, good energy-saving effect, good rust and fire resistance, wide bay and flexible room division.

The invention discloses a method for preparing cement clinker by using oil shale waste residues. The method comprises the following steps of: 1, mixing the following components according to the following proportions: 81 to 84 percent of limestone, 12 to 15 percent of shale waste residues, 1 to 2 percent of iron tailings sand and 2 to 4 percent of moulding sand; and 2, grinding the mixture obtained in the step 1 to obtain raw materials which is screened by a 80um square-hole sieve of which the screen residue is less than 5 percent, calcining the raw materials at temperature of between 1,350 and 1,450 DEG C for 15 to 20 minutes, and cooling to obtain the cement clinker. The method is used for preparing the cement clinker by using the oil shale waste residues replacing clay, so that a large quantity of clay resources are saved, and the production cost of the cement is reduced; furthermore, the doped quantity of the oil shale waste residues is large and up to 13 percent, so that the oil shale waste residues are used fully; therefore, the economic benefit is increased, wastes are turned into treasures, a large quantity of stacked residues are avoided, the land occupied amount is reduced, and the environment pollution is reduced.

The invention relates to a novel environment-friendly durable impermeable and impermeable structure based on solid waste, and an impermeable barrier material. The impermeable and impermeable structurecomprises a foundation layer, an anti-seepage layer and a sealing field cover layer; an impermeable barrier material is poured on a base layer according to potential to form an impermeable barrier substrate; an HDPE film and geotextile are laid on the substrate, a mine pit is filled with industrial solid waste and compacted, and an arch-shaped surface is formed at a mine pit opening; an impermeable barrier material is poured on the arch-shaped surface according to the potential to form a field sealing cover layer, the field sealing cover layer is connected with the upper edge of the impermeable barrier substrate, and a matrix soil layer is laid on the field sealing cover layer. According to the invention, solid wastes such as fly ash, desulfurized gypsum, blast furnace slag and the like are utilized to prepare the impermeable barrier material; industrial solid waste is buried in a waste mine pit for storage, harmless treatment is achieved, the impermeable barrier material can effectively block leakage of a solid waste leaching solution, the risk of underground water pollution is reduced, and the mine pit is designed according to the standard of a solid waste resource storage, so that further comprehensive utilization is facilitated.

The invention discloses a method for preparing high-strength ceramsite prepared by utilizing Yellow River silt and sludge as an adhesive. The method comprises the following steps: by taking Yellow River silt, sludge and fly ash as main raw materials, mixing the various raw materials in proportions, granulating, drying, roasting, and cooling, thereby obtaining the high-strength ceramsite. According to the method disclosed by the invention, the high-strength aggregate which is high in physical strength, high in chemical stability, low in bulk density and large in specific surface area and can be applied to the fields of buildings, water treatment, garden art and the like is obtained, and the ceramsite production cost is greatly reduced. Meanwhile, the consumption of scarce resources is reduced, the treatment problem of local Yellow River silt and industrial solid wastes is solved, and the high-strength ceramsite has excellent market prospects.

A porcelain grey tile without carburization and a sintering method thereof. Bauxite, purple sand, clay, and gas stove coal cinder are mixed, added with water to prepare a green body, and then the porcelain grey tile without carburization is sintered under a certain temperature condition. According to the invention, a mixture of multiple materials is used instead of pure clay for sintering, which saves clay resources; the green body does not crack when a lot of water is lost within a short period, which greatly shortens the drying time of the green body; during high temperature sintering, carbon particles are generated in raw coal reactions of generator gas and gas stove coal cinder, and colorize the inner and outer sides of the green body, which omits the colorization and color preservation processes in the prior art, shortens the process flow, increases the sintering efficiency, and saves energy.

The invention discloses a method for manufacturing bricks by utilization of shale and sandstone, which comprises: mixing the shale, the sandstone, coal refuse and coal dust according to the ratio of 20-25:65-70:10-15:0.25-0.3 by weight portion; adding 15 to 20 weight portions of water into the mixture to be stirred and manufactured into green bricks; placing the green bricks into a kiln for sintering after drying the green bricks, wherein the sintering temperature is between 950 and 1,050 DEG C, and the sintering time is between 20 and 24 hours; and drawing the bricks out of the kiln after performing heat preservation for 5 to 6 hours. The sintered bricks have the advantages of weather resistance, alkali resistance, high strength and light weight. The method changes waste into valuable, saves farmlands, protects land resources, and has good social benefit and economic benefit.

The invention discloses a preparation method of environment-protection silt bricks, and the preparation method comprises the steps as follows: silt crashing, silt bathing, slurry tranportation, slurry depoisting, silt drying, slit performing, mud perform transportation, mud perform dying, brick sintering, brick heat preserving and product stacking. The invention solves the material origin of the brick production and saves the clay material, and the production cost is low.

The invention provides a grey tile and a firing process thereof, and relates to the technical field of building materials. The grey tile is made of the following raw materials: shale powder, lime powder, fly ash, caesious peat meal, black powder, and furnace slag. The grey tile has good corrosion resistance, durability and erosion resistance, has freezing resistance and impermeability, discoloration and peeling prevention, no radiation, aging resistance and no light pollution, has high compressive strength and strong disassembly resistance, and is relatively beautiful.

The invention relates to a method for producing a brick from oil sludge and coal gangue as raw materials. The brick comprises the following components in percentage by weight: 10 to 20 percent of oilfield oil sludge, 10 to 30 percent of coal gangue, 40 to 65 percent of clay, 5 to 20 percent of water and 0.5 to 3 percent of modifying additive. The method comprises the following steps of: stirring the components uniformly in a stirring device to form a semi-finished brick blank, and drying and roasting the brick blank to form a finished product of the brick. By combining an internal combustion process for manufacturing the brick by sintering and making full use of heat values of the oil sludge and the coal gangue, the method reduces external fuels during roasting, saves a large amount of energy, meanwhile solves the treatment problem of the oil sludge and the coal gangue, and protects the environment. The brick manufacturing method is simple, has low cost, realizes reduced, harmless and recycling requirements of solid waste treatment, and has good market prospect and popularization value.

An assembly type manhole comprises a bottom plate, a manhole chamber, a cover plate, a shaft, a manhole ring and a manhole cover which are sequentially connected from bottom to top and are reinforced concrete prefabricated parts, and at least two inverted U-shaped reserved holes are arranged at the lower end of the manhole chamber. A downwards extending first boss which is concentric with the cover plate and matches with an inner cavity of the manhole chamber is disposed on the lower surface of the cover plate, a step through hole is arranged at a position, which is close to the outer edge, of the cover plate, a first hole and a second hole are vertically communicated with each other to form the step through hole, the size of an opening of the first hole is larger than that of an opening of the second hole, and the central line of the step through hole is parallel to that of the cover plate; the upper end surface of the manhole chamber is a plane; a downwards extending second boss which matches with the first hole is arranged at the lower end of the manhole chamber; the cover plate is placed on the upper end surface of the manhole chamber, and the first boss is inserted into the inner cavity of the manhole chamber; and the second boss is inserted into the first hole. An upwards extending second boss which is concentric with the bottom plate and matches with the inner cavity of the manhole chamber is disposed on the upper surface of the bottom plate and is inserted into the inner cavity of the manhole chamber. By the aid of the assembly type manhole, construction efficiency is high, and clay resources are saved.

The invention discloses waste glass powder sintered bricks and a production method thereof. The waste glass powder sintered bricks comprise, by weight, 20-25 parts of waste glass powder and other raw materials. According to the sintered bricks, by adopting the waste glass powder as the main raw material, clay resources are saved, the production cost is lowered, and the purpose of disposing the waste glass powder and preventing the waste glass powder from polluting the environment is achieved; under the synergistic effect of added antimonous oxide and chlorine in polyvinyl chloride resin, the flame retardancy of polyvinyl chloride is improved; through cooperation of a compound plasticizer composed of added dioctyl sebacate, dimethyl terephthalate, an antioxidant 616 and tetrabromophthalic anhydride and the polyvinyl chloride resin, the forward effect of the plasticizers is maximized, the usage quantity of the plasticizers is reduced while the low temperature resistance of the sintered bricks is improved, and flexibility is improved.