1153 results about "Stone dust" patented technology

The invention discloses probiotic type premix feed for laying hens, which is prepared from vitamin compound premix feed for the laying hens in laying period, a bacillus and lactobacilli compound preparation, xylan and mannan complex enzyme, phytase, methionine, lycine, choline chloride, common salt, calcium hydrophosphate, stone dust, fish meal, corn gluten meal, sodium bicarbonate, trace element compound premix feed for the laying hens in the laying period, ethoxyquinoline, bentonite, and rice chaff by mixing in proportion. Compared with the common compound feed for the laying hens, the compound feed prepared by the premix feed reduces discharge of harmful substances such as nitrogen and phosphorus in chicken manure by more than 20 percent, reduces the concentration of harmful gases such as ammonia in a hen house by more than 40 percent, improves the feed utilization rate by 5 to 10 percent and the laying rate by 3 to 5 percent, averagely prolongs the laying period by 25 days, and reduces feeding cost by 5 to 8 percent and the death-cull rate of the laying hens.

The invention relates to the soil improvement technology and the environment protection technology, in particular to a soil heavy metal passivant for the facilities vegetable field and a preparation method thereof for solving the problem that due to solid heavy metal pollution, the sustainable utilization of the facilities vegetable field is influenced. The soil heavy metal passivant for the facilities vegetable field comprises the following components in percentage by weight: 10 to 30 percent of medical stone powder, 10 to 30 percent of diatomite in powder, 10 to 20 percent of zeolite powder, 20 to 30 percent of lignite and 25 to 35 percent of fly ash. The preparation method for the soil heavy metal passivant comprises the following steps: mixing the medical stone powder passing through a 80-mesh screen, the diatomite in powder passing through a 80-mesh screen and the zeolite powder passing through a 80-mesh screen with lignite and uniformly stirring the mixture; and mixing the mixture with the fly ash passing through a 80-mesh screen, sufficiently stirring the mixture and after mixing uniformly, preparing the soil heavy metal passivant. The invention has simple preparation method and achieves the effects of passivating the soil heavy metals in the facilities vegetable filed and reducing the content of heavy metals in the soil which can be utilized by the crops by synergistic effect of the components.

The invention relates to a high-performance sand-soil consolidation material, as well as a preparation method and a using method thereof. The high-performance sand-soil consolidation material belongs to a mortar composition and is characterized by comprising the following raw materials in parts by weight: 5-40 parts of cement clinker, 3-6 parts of gypsum, 4-10 parts of alkali additive, 0.5-6 parts of compound activating agent, 1-4 parts of early strength agent, 2-10 parts of mineral activating agent, 3-8 parts of expansion agent and 22-77 parts of micro-powder formed by fine grinding of blast furnace water-quenched slag. The invention provides the high-performance sand-soil consolidation material which has the advantages of simple operation, convenient construction, good water resistance, fast consolidation, high early strength, stable improvement of post-strength, resistance to erosion of underground inorganic salt water, excellent anti-seepage performance and low production cost, as well as the preparation method and the using method thereof. The high-performance sand-soil consolidation material is suitable for consolidating mine tailings, natural weathered sand, fly ash, gravel, stone chips, stone powder, soil, sludge, construction waste, coal gangue and phosphorus slag into a solid material, and can be used for laying a subgrade, constructing a wall body and constructing a site foundation.

The invention relates to a preparation method of a thin ceramic rock plate. A thin ceramic rock plate blank is composed of the following components in percentage by weight: 8-12% of ball clay; 17-20%of washed kaolin; 4-7% of high-whiteness kaolin; 18-20% of water-milled ultra-white potash stone powder; 38 to 40% of water milled albite; 4-5% of high-whiteness aluminum oxide powder; 0-2% of ultra-white zirconium silicate; 3.5%-7.5% of calcined talc; 1 to 1.5% of a dispergator; and 2-2.5% of a polymerization liquid. The preparation method of the thin ceramic rock plate comprises the following steps: preparing a green body, processing a blank, spray-drying to prepare powder, dry-pressing to form, brushing the green body to remove ash, printing ground coat on a roller, decorating patterns, decorating a pattern protective layer, firing, polishing and edging.

The invention discloses a clay-based heavy metal thermal curing agent and its method for curing heavy metal. The clay-based heavy metal thermal curing agent comprises, by weight, 40-60% of clay, 5-15% of iron oxide, 20-30% of fly ash and 15-25% of stone flour. The method provided by the invention comprises the following steps of: uniformly mixing the clay-based heavy metal thermal curing agent and a heavy metal pollutant according to the mass ratio of 1: 5-10: 1, carrying out extrusion moulding on the mixed sample at the pressure of 300-1000Mpa, and sintering the molded sample at the temperature of more than 800 DEG C for 2-5 h to obtain a recycled material. According to the invention, heavy metal is coalesced by absorption of clay to heavy metal; fly ash and stone flour are used to fully mix heavy metal with the clay-based heavy metal thermal curing agent during the mixing process; iron oxide and alumina components in the clay-based heavy metal thermal curing agent react with heavy metal at the temperature of more than 800 DEG C for high-temperature fusion glass transition so as to form a spinel structure; and heavy metal in the form of spinel and feldspar crystal structural components is fixed in the heavy metal thermal curing agent to form the recycled material.

The invention relates to a dry powder mortar of stone dust, which is characterized in that the dry powder mortar of the stone dust is mainly formed by cement, fly ash, yellow sand, stone dust or mortar thickening powder. The invention initially takes the stone dust as the raw material of the dry powder mortar, and the mechanical property of the stone dust in the mortar is more excellent than the yellow sand, thereby changing waste into valuables. The invention is economical and environment-friendly.

The invention belongs to the technical field of civil engineering material, specifically relates to a dry-mixed mortar with waste stone dust in stone mining and processing plant as aggregate and filler. The dry-mixed mortar is composed of 0.08-5mm of waste stone dust, 0-0.08 mm of waste stone dust, cement, fly ash, metakaolin, calcium hydroxide and water holding thickening agent; with the dry-mixed mortar of the invention adopted, the waste stone dust accounting for 55-75% of the weight of the mortar product can be recycled, thus being environmentally friendly and ecologically friendly. The dry-mixed mortar of the invention not only makes good use of waste material but also features good environmental protection; in addition, the mortar features good water retention rate, fine Constructability, high index of strength and durability, low shrinkage factor and certain crack-resistant property. With all the advantages, the product of the invention can be widely applied to plastering, masonry and land disposal of civil engineering projects of all types.

The invention discloses a dry method mechanism building aggregate grading method and device. The method includes: separating the impurity for the ore raw material containing different atones, precrushing, anhydrous fine crushing, sieving, grading the finished product, and at last respectively recycling the aggregate finished products with different levels. The device of the invention comprises a impurity separator, a prebreaker, a fine crusher, a finished product sieving machine, a finished product sizing machine. The method and device of the invention are adopted, the whole production flow has no water, the crushing, the sieving and the grading are executed in the anhydrous condition, the used raw material is very wide, various ore raw materials can be adopted, 0 to 25 mm of products comprising stone dust, mechanical sand and broken stone are produced in the whole anhydrous mechanism, thus having saved resource, high productivity effect, low cost, no environment pollution and variousfinished product levels.

The invention discloses a fodder grass type fermented total mixed ration (TMR) for dairy cows and a preparation method thereof. The fermented TMR is prepared from the following raw materials in percentage by mass in terms of dry weight: 30 to 40 percent of fodder grass, 25 to 30 percent of forage crop silage, 5 to 10 percent of protein feed, 15 to 20 percent of energy feed, 1 to 2 percent of molasses, 5 to 10 percent of food processing by-products, 0.5 to 1.2 percent of premix compound, 1 to 2 percent of calcium hydrophosphate, 0.5 to 1 percent of stone dust, 0.2 to 0.3 percent of common salt, 0.4 to 0.6 percent of sodium bicarbonate and 0.1 to 0. 2 percent of magnesium oxide; wherein the raw materials are prepared into the fodder grass type fermented total mixed ration for medium and high yield dairy cows through the steps of weighing, water content adjustment, mixing, and fermentation after wrapping. A mixed batch obviously improves the quality of a feed after fermentation, effectively improves the feed intake of the dairy cows, improves the palatability and the digestibility of the feed, and can obviously improve the production performance of animals; the fermentation improves the storage performance of the feed, and makes a mixed feed have high aerobic stability, so the feed is convenient for commercialization, storage and transportation, and is favorable for modernized intensive feeding of the dairy cows. The technique has important practicability and application promotion values.

The invention provides concrete integral pouring construction method and device for a road inspection well. The method comprises advance constructions and post constructions, wherein the advance constructions comprise the following steps of: measuring and paying off; excavating a wellhole; pouring a reinforced concrete foundation bottom and building a wellhole protection wall; connecting pipelines; building a well chamber; mounting a tread; backfilling well perimeters; reserving a branch pipe; building a close up section; mounting a cover plate; building the wellhole; covering and protecting; backfilling cement and stone dust to the well perimeters; and constructing a pavement basic layer. The post constructions comprise the following steps of: excavating the pavement basic layer covered on the wellhole to expose the wellhole, dismantling the cover plate and excavating a concrete foundation pit by using the wellhole as a center, wherein the radius of the excavated foundation pit two times larger than or equal to that of the wellhole; laying reinforcing steel bars in the foundation pit and supporting an inner mold in the wellhole; overhanging a well cover on the wellhole by a fixing bracket overhanging device; adjusting the altitude of the well cover; pouring concrete into the foundation pit and keeping the height of the concrete parallel to the bottom of the well cover; building the perimeters of the well cover into a cement slope by concrete; carrying out acceptance checks; paving a bituminous pavement on the perimeters of the well cover and keeping the bituminous pavement parallel to the well cover.

The invention relates to a method for producing duck eggs rich in selenium and a duck rich in selenium. Each ton of feedstuff comprises the following components: 0.5 to 2.0 kilograms of earthworm powder, 0.5 to 1.5 kilograms of radix astragali powder, 5.0 to 9.0 kilograms of dried head mud of fresh dipsey cods, 0.15 to 0.8 kilogram of selenium yeast, 1.0 to 1.2 percent of soybean oil, 8.0 to 8.2 percent of stone dust, 1.0 percent of calcium hydrophosphate, 0.3 percent of common salt, and 1.0 percent of nutrilite (consisting of methionine, compound lycine, vitamins, minerals, choline chloride, phytic acid enzymes and foods). A laying duck is fed on common daily diet feedstuffs before the laying rate reaches 60 percent; and when the laying rate is more than 60 percent, the duck is fed on the feedstuff of the invention so that the selenium content of a duck egg laid 20 days later reaches to be 0.3 to 1.5 milligrams per kilogram, the selenium content in the blood of the laying duck reaches 0.08 to 0.3 ppm, and the selenium content in the musculature is between 0.07 and 0.5 milligram per kilogram.

The invention relates to a production process of an asphalt pavement material based on thermal regeneration of used asphalt pavement materials. The production process is characterized by comprising a thermal regeneration production step of the used asphalt pavement materials and a production step of the new asphalt pavement material, wherein the thermal regeneration production step of the used asphalt pavement materials comprises: collecting the used asphalt pavement materials, crushing and screening, preheating the used materials, storing in a storage cabin, metering the used asphalt pavement materials, metering a regeneration agent and carrying out heat-insulation spiral conveying for mixing to obtain a regenerated material of the used asphalt pavement materials; and the production stepof the new asphalt pavement material comprises: matching new stone materials, heating and drying, sieving and grading, storing in a storage cabin, metering the new stone materials, metering new asphalt, metering new stone powder and introducing the regenerated material of the used asphalt pavement materials, graded new stone materials, new asphalt and new stone powder into a stirring cylinder in parts by weight for stirring to obtain an asphalt pavement material finished product. The production process is scientific and reasonable, is suitable for industrial production, rationally utilizes the used asphalt pavement materials, is low in cost, is good in environmental protection effect, and fully meets the requirements on the service life of the pavement.

The invention provides pellet feed for grass carp, and the raw material and weight share are as follows: bean of 10 to 20 shares, rapeseed cake of 15 to 25 shares, cottonseed cake of 10 to 20 shares, wheat bran of 10 to19 shares, secondary flour of 10 to 15 shares, rice bran of 10 to 20 shares, fishmeal of 3 to 6 shares, stone dust of 1 to 2.5 shares, salt of 0.1 to 0.5 shares, dry cactus powder of 0.4 to 0.6 shares, dry aloe powder of 0.3 to 0.5 shares, dry garlic powder of 0.1 to 0.3 shares and probiotics preparation of 0.2 to 0.6 shares. The preparation method for pellet feed is as follows: the raw material is firstly taken out and weighted and then crushed into powder, and then is stirred and mixed, finally, mixture is made into pellet feed which is the finished product. Pellet feed is rich in nutrient, the grass carp grows fast after eating pellet feed, the cost of raising the grass carp is greatly reduced and the immune function of the grass carp is greatly improved. The disease prevention, medical treatment and anti-virus capability of the grass carp are also enhanced.

The invention discloses a fine feed for rhizomys in a rearing period. The fine feed comprises the following raw materials in percentage by weight: 20%-42% of corn, 12%-18% of soybean meal, 30%-50% of rice bran, 10%-23% of bran, 1%-3% of fish meal, 2% of calcium hydrophosphate, 0.5% of stone dust, 1% of common salt and 1% of premix. One kilogram of premix provides 88 million IU (international units) of VA (vitamin A), 60,000 IU of VE (vitamin E), 325 million IU of VD (vitamin D), 310g of VK (vitamin K), 110g of VB (vitamin B), 220g of VB, 65g of VB, 1220g of VB, 50g of pantothenic acid, 10g of nicotinic acid, 800mg of folic acid, 10g of biotin, 30g of Lys (lysine), 60g of Met (methionine), 30g of potassium, sodium, zinc and the like, and 30g of VC (vitamin C); and the main nutritional levels of the obtained fine feed are that the digestible energy is 2.85-3.01 Mcal/kg, and crude protein is 15.52%-18.07%. The fine feed disclosed by the invention can meet the nutritional requirements of the rhizomys sinensis in the rearing period, has a reasonable formula, and can ensure the rapid growth, robust physique, low disease incidence and low mortality rate of the rhizomys.

The invention discloses a feed special for a low-fat meat chicken without antibiotic, which consists of the following by weight percentage: 10-25 of lactobacillus fermented material and 75-90 of main material, wherein the lactobacillus fermented material consists of the following raw materials: cotton dregs, rapeseed dregs, bran, peanut meal, maize and lactobacillus fermented liquid; and the main material consists of the following raw materials: bean dregs, maize protein powder, maize flour stone dust, calcium hydrophosphate, orexin and growth promotion agents, flavoring agents and trace elements. 10-25 percent of the obtained lactobacillus fermented material is taken according to the percentage of the total weight of the feed for bagging, and 75-90 percent of the obtained main material is taken according to the percentage of the total weight of the feed for packing after bagging, thus the feed special for the meat chicken is prepared. The chicken fed by the feed which is prepared by uniformly mixing the lactobacillus fermented material and the main material have pork type meat quality, abundant muscles, less fat and high protein content, are inspected to have no chloromycetin, terramycin, aureomycin and sulfanilamide medicaments by the national meat product supervision and inspection center and completely reach a non-antibiotic standard and meet the requirement of food security of the European Union.

The invention relates to a thermal insulation textured decorative face brick for a building outside wall. The face brick comprises the following raw materials in parts by weight: 25-35 parts of cement, 20-35 parts of quartz sand, 10-15 parts of calcite powder, 10-20 parts of wollastonite powder, 2.0-4.0 parts of latex powder, 0.3-0.4 part of hydroxypropyl cellulose, 0.5-1.0 part of wood fiber, 0.15-0.2 part of short polypropylene fiber, 0.2-0.5 part of calcium formate, 10-20 parts of gray calcium powder, 0.1-0.15 part of thixotropic lubricating agent and 0.25-0.5 part of pigment. After being put on the market, the face brick has great market space, and the current monotonous situation of outside wall exterior thermal insulation textured decorative materials can be improved, thus the face brick has active effects on saving energy of buildings and beautifying the environment of cities.

The invention relates to a method of dusting coal mine surfaces, the method comprising applying stone dust particles treated with a cationic and/or zwitterionic surfactant to surfaces in the coal mine. The invention also relates to liquid formulations, coal mine dusting agents and apparatus for use in such a method.

The invention relates to an agricultural waste recycling technology and a soil fertilizer technology, in particular to a blended facility vegetable field soil conditioner taking charcoal as a matrix and a preparation method thereof. The blended facility vegetable field soil conditioner comprises the following components in percentage by weight: 60 to 80 percent of charcoal, 5 to 15 percent of medical stone powder, 5 to 15 percent of zeolite powder and 5 to 15 percent of lime nitrogen. The method for preparing the soil conditioner comprises the following steps of: mixing and stirring the medical stone powder which is sieved with a 60-mesh sieve, the zeolite powder which is sieved with a 60-mesh sieve and the granular lime nitrogen uniformly, mixing the mixture with the charcoal, and stirring uniformly to prepare the soil conditioner. The method is simple and pollution-free, the volume weight of soil can be reduced, the buffer performance of the soil can be improved, the utilization rate of fertilizer nitrogen and phosphorus can be improved, and an effect of preventing and controlling soil-borne diseases is achieved.

The invention discloses a stone grinding device with dust removal function, which includes a base, an observation window, a first booster pump, an exhaust fan, a water partition and a dust removal box. By installing universal wheels at the bottom of the base, the freedom of the equipment is realized. Move, improve the inventiveness of the equipment, use the observation window to observe the grinding situation of the stone, use the first booster pump to make the water in the water storage tank pass through the conduit and then spray out from the cleaning nozzle to clean the inside of the grinding box, saving manpower, The work efficiency is improved, the stone dust in the grinding box is sprayed out from the dust nozzle through the pipeline by using the exhaust fan, and the stone dust sprayed out by the dust nozzle is absorbed by the water partition, and an air outlet is opened on the top right side of the dust removal box for discharge clean air.

The invention relates to the technical field of building rubbish recycling treatment, in particular to a building-rubbish resource treatment and use integrated treating method and a treating system thereof. The building rubbish treating method includes the steps that soil, steel, plastic, asphalt and wood in building rubbish are separated out through a separation treating device, classified and recycled; the building rubbish is smashed through a smashing device, red bricks are manufactured into brick powder, stone is manufactured into scree or sand or stone powder; and the obtained brick powder, the obtained stone powder, the obtained scree and the obtained sand are used as raw materials for manufacturing concrete, and therefore the building rubbish is completely used. The treating method and the treating system are convenient to use; and by means of the treating method, on the premise that the environment and soil are not polluted, the building rubbish is converted into the production raw materials through separation and smashing of the building rubbish, and the building rubbish is efficiently used.

The invention discloses a high-strength waterproof stone-wood floorboard which is prepared from the following raw materials by weight parts: 45 to 65 weight parts of stone powder, 20 to 30 weight parts of PVC resin, 2 to 5 weight parts of UV resistant agent, 1 to 2 weight parts of stearic acid, 2 to 5 weight parts of coupling agent, 3 to 5 weight parts of CPE, 3 to 5 weight parts of dibutyl ester and 2 to 4 weight parts of antioxidizer. The invention also discloses a production technology for the high-strength waterproof stone-wood floorboard. The high-strength waterproof stone-wood floorboard also has the advantages of low cost, heat insulation, environmental protection, waste reutilization and the like.