14 results about "Coal gangue" patented technology

The invention discloses a tannery sludge and coal gangue treatment technology which comprises the steps of evenly mixing and stirring tannery sludge, coal gangue, cement, kaolin and sodium tetraborate which are evenly ball milled according to the mass ratio of 1 to 1 to 4 to 1 to1; then adding water to stir into slurry; utilizing sodium dodecyl sulfate as a foaming agent, pouring the stirred foam concrete into a mould, then conserving for 3 to 5 days in normal temperature in humidity larger than 80% and then demoulding; drying a demoulded product under the condition of 105+/-0.5 DEG C, putting into an electric furnace to be kept warm for 20 to 40min in 110 DEG C, then heating to 600 DEG C at 15 DEG C/min, keeping warm for 30 to 60min, then heating to 1100 to 1200 DEG C at 15 DEG C/min and sintering for 30 to 60min; slowly cooling to room temperature after sintering finishes and manufacturing into a porous ceramic tile.

The invention relates to a decorative and thermal insulation integrated novel lightweight walling material made from polishing brick waste. The novel lightweight walling material is characterized by being composed of colored glass and a polishing brick waste foamed material, wherein the colored glass is composed of 25-45% of potassium feldspar, 20-40% of quartz, 5-25% of calcite, 4-8% of borax, 2-8% of barium carbonate, 2-8% of zirconium silicate, 2-6% of potassium nitrate and 0-10% of ceramic toner; the polishing brick waste foamed material is composed of 85-100% of polishing brick waste and0-15% of coal gangue; the ceramic toner is one or more then one of cobalt black, malachite green, chromium-selenium red, praseodymium yellow and zirconium-vanadium blue; and the decorative and thermal insulation integrated novel lightweight walling material is prepared by drawing, material spreading and firing. According to the invention, by adding the ceramic toner, the decorative and thermal insulation integrated novel lightweight walling material can be prepared into high-grade internal and external wall finishing materials with various single colors, compound colors and landscape and character patterns; and the production cost is low, the environmental pollution is reduced, the decorative and thermal insulation integrated novel lightweight walling material is economical and environmentally friendly and the waste is recycled.

The invention discloses traditional Chinese medicine fermentation organic slow-release fertilizer for late rice planting. The traditional Chinese medicine fermentation organic slow-release fertilizer is prepare from raw materials including human and animal excrement, straw, fly ash, soybean hull, oil cake, rice hull powder, bean dregs, bentonite powder, daghestan sweet clover, medicago sativa, lignin, cocoa pod shell powder, illite powder, banana peel powder, calcium superphosphate, urea, potassium sulphate, potassium chloride, calcium magnesium phosphate fertilizer, white mud, turf, kaolin, coal gangue, quartz, coal slime, ammonium bicarbonate, nitro-humic acid, traditional Chinese medicine fermentation materials and modified slow-release agents. The invention also discloses a preparation method of the traditional Chinese medicine fermentation organic slow-release fertilizer for the late rice planting. When the traditional Chinese medicine fermentation organic slow-release fertilizer is used in the late rice planting, nutrition substances after the traditional Chinese medicine fermentation are utilized; organic materials and inorganic materials are matched; through slow release agent film covering, rich nutrition substances are provided for the late rice growth; high efficiency and high quality in nutrient release are realized; the yield and the quality of the late rice are effectively improved.

The invention discloses an energy-saving and environment-friendly high-strength epoxy resin concrete material, and particularly relates to the technical field of build concrete. According to the energy-saving and environment-friendly high-strength epoxy resin concrete material, main materials are prepared from, by weight, 70-100 parts of epoxy resin, 30-40 parts of a basic material, 8-12 parts ofriver sand and 10-15 parts of asbestos fibers; auxiliary materials are prepared from, by weight, 10-12 parts of corn starch, 8-10 parts of a reactive diluent, 2-4 parts of an antifoaming agent, 15-25parts of a curing agent and 6-8 parts of a toughening agent; the base material is prepared from coal gangue and limestone through mixing. According to the energy-saving and environment-friendly high-strength epoxy resin concrete material, the coal gangue and the river sand are smashed for replacing cement, the production cost is low, energy saving and environment protection are facilitated, the water absorption effect of the limestone is good, the viscosity of the material is increased through the reactive diluent and the corn starch, the antifoaming agent is added, shocking antifoaming is conducted through a vibration machine, the material is even in texture, pores are shrunk, the hardness and the strength of the concrete material are improved through ingredients of the calcium carbonateand microcrystals of the river sand, and the toughness and the resistance of concrete are improved through the asbestos fibers and the toughening agent.

The invention provides a coal gangue conveying vibration device. The coal gangue conveying vibration device comprises a conveying system, a vibration system arranged at the lower part of the conveyingsystem, a chassis assembly arranged at the lower part of the vibration system and connected with the vibration system, a spring connected between the vibration system and the chassis assembly, and acontrol system for controlling the conveying system and the vibration system to operate, wherein a large belt wheel of the vibration system is a mass center eccentric wheel. In the coal gangue conveying vibration device, the conveying system and the vibration system can independently operate, and also can synchronously operate; and under the condition of not influencing the conveying of coal gangues, the vibration system can vibrate and expose the coal gangues in the coal gangues, so that the subsequent sorting of the coal gangues is convenient, and the coal gangue sorting efficiency is improved.

The invention provides a preparation method of zeolite-activated carbon composite adsorbent, comprising the following steps: (1) mixing coal gangue powder, asphalt, and white carbon black, drying, and then, in a tube furnace, under the protection of inert gas, Carbonization, and then carbon dioxide gas is introduced to activate to obtain the activated sample; (2) Add the activated sample to the sodium hydroxide solution, react, stand at room temperature for hydrothermal crystallization, then ultrasonically disperse, filter, and filter the residue Washing and drying to obtain the zeolite-activated carbon composite material; (3) Add the obtained zeolite-activated carbon composite material to the glucose solution, stir, filter, dry the obtained filter residue, and then put it into a tube furnace under the protection of an inert gas , carbonized to obtain the zeolite-activated carbon composite adsorbent. The zeolite-activated carbon composite adsorbent prepared by the invention has large BET specific surface area and micropore specific surface area, and has large adsorption capacity for CH4 and N2.

The invention discloses an organic fertilizer which comprises, by weight, 20-40 parts of straws, 5-10 parts of coal gangue, 5-55 parts of weathered coal, 5-15 parts of peat soil, 8-30 parts of powdered rock phosphate, 2-35 parts of potassium ore powder, 10-35 parts of wheat middlings, 5-10 parts of soybean meal, 5-30 parts of husk powder, 1-5 parts of strain powder, 10-20 parts of fallen leaves, 10-20 parts of broken clothes, 5-15 parts of egg shells, 5-15 parts of tea leaves, 3-8 parts of EDTA (ethylene diamine tetraacetic acid), 5-15 parts of potassium fulvic acid, 15-30 parts of sweet potato powder, 3-15 parts of urea and 4-8 parts of polyacrylamide. The fertilizer can improve soil, residue and pollution are omitted, and the organic fertilizer has good popularization prospects.

The invention relates to an efficient environment-friendly cheap adhesion agent of pellet, which is prepared from the following raw materials in parts by weight: 65-75 parts weathered coal, 7-9 parts of sodium hydroxide, 1-3 parts of sodium lignin sulfonate, 7-9 parts of starch, 1-3 parts of cellulose, 4-6 parts of lime, 4-6 parts of coal gangue and 1-3 parts of borax; the invention further relates to a preparation method of the efficient environment-friendly cheap adhesion agent of pellet, comprising the following steps of: 1) respectively taking out the weathered coal, the lime and the coal gangue according to the needed parts by weight, mixing and crushing for later use; 2) taking out the needed parts by weight of sodium hydroxide, adding water, heating up and stirring until dissolving the sodium hydroxide sufficiently for later use; 3) mixing the materials respectively prepared in the steps 1) and 2), stirring evenly, backing to dry, and crushing for later use; 4) taking out the needed parts by weight of sodium lignin sulfonate, starch, cellulose and borax, and mixing with the material prepared in the step 3), stirring and packaging, thereby obtaining the adhesion agent. The adhesion agent provided by the invention is suitable for preparation of pellet, and has the advantages of scientific and rational matching of ingredients, high pellet forming quality, good smelting result, low cost and easy preparation.

The invention discloses a foamed concrete material and a preparation method thereof. The foamed concrete material comprises the following raw materials in parts by weight: 30-45 parts of mountain clay, 20-32 parts of field mud, 10-20 parts of illite, 10-18 parts of coal gangue slag, 15-22 parts of sugarcane waste residues, 1-3 parts of zirconium, 3-8 parts of polymethyl acrylate, 2-8 parts of expanded graphite, 4-9 parts of paraffin, 3-6 parts of magnesium stearate, 2-6 parts of sodium tripolyphosphate, 2-8 parts of tobacco leaf powder and 0.5-2 parts of a foaming agent. The foamed concrete material has a relatively low heat conduction coefficient, is good in thermal insulation property, high in strength, easy in raw material obtaining, lowered in energy consumption and relatively low in production cost, can be massively applied to building engineering, is capable of reducing the construction engineering cost, and is a novel foamed concrete material which can be greatly popularized and applied.

The invention relates to the technical field of coal mines, in particular to a rapid sorting machine for coal gangue of different sizes. The coal gangue screening device comprises the feeding mechanism, the screening mechanism is fixedly arranged on one side of the feeding mechanism, the blowing screening mechanism is fixedly arranged at the bottom end of the screening mechanism, and when coal gangue is conveyed through a feeding belt, a circular plate can be driven to rotate through a servo motor, so that the circular plate can drive a driving rod to rotate; according to the material distributing device, a driving rod can drive a reciprocating column to slide in a sleeving ring in a reciprocating manner, so that a reciprocating plate can be driven to slide back and forth between two sleeving plates, and a plurality of material distributing columns and a plurality of partition plates at the bottom can be driven to move back and forth; and therefore, the coal gangue particles clamped among the partition plate, the bottom of the material distributing column and the feeding belt can be brushed and cleaned, and the situation that the accumulated coal gangue particles damage the surface of the feeding belt and affect the conveying efficiency of the feeding belt is prevented.

The invention is applicable to the field of coal mine production, and provides a conveyor for coal gangue feeding, which comprises a main box body, a driving unit, a conveying roller and an additional box body, the main box body is provided with a feed opening, and one side of the main box body is of an open structure; the driving unit is arranged at the inner bottom of the main box body, the output end of the driving unit is located on one side of the outer portion of the main box body, a plurality of installation shafts which are transversely arranged at intervals are rotationally connected to the main box body, the conveying rollers are located in the main box body and fixedly connected to the installation shafts in a matched and sleeved mode, and a first transmission mechanism is arranged on the outer side of the main box body. And the output end of the driving unit drives the plurality of mounting shafts to synchronously rotate in the same direction through a first transmission mechanism. The coal gangue conveying device has the beneficial effects that the stacking characteristic of coal gangue is utilized, the main box body is pushed into a coal gangue pile from the bottom, and natural collapse type discharging of the coal gangue is utilized to replace a conventional auxiliary mechanical carrying mode.

The invention discloses single-size-fraction coal gangue self-compacting concrete. The single-size-fraction coal gangue self-compacting concrete comprises he following components in parts by weight: 592 to 761 parts of natural aggregate, 85 to 254 parts of coal gangue, 700 to 800 parts of river sand, 100 to 130 parts of fly ash, 400 to 500 parts of cement, 1 to 3 parts of a water reducing agent and 190 to 210 parts of water, wherein the coal gangue is single-size-fraction coal gangue with a particle size ranging from 10 mm to 20 mm. According to the single-size-fraction coal gangue self-compacting concrete provided by the invention, the adopted single-size-fraction coal gangue aggregate is convenient to screen compared with the existing continuous-grade coal gangue aggregate, so preparation cost is greatly reduced; the characteristics of large porosity and strong water absorption of the crushed coal gangue are utilized, and the coal gangue is used as an internal curing material, so the later hydration of the concrete is promoted, and the strength of the concrete is favorably improved; and the coal gangue is used for replacing a part of natural aggregate, so the problem of environmental pollution is effectively solved, the problem of scarcity of natural coarse aggregate in China is overcome, and high economic benefits are achieved.