103results about How to "Good granularity" patented technology

The invention relates to a precise remedy method for two sections of grind, belonging to the ore crash, the mill technical field in the method of preparation. The newly feeding ore with the largest size 25-15 mm is ground to the size smaller than 0.15 mm for two sections, wherein the size smaller than 0.074 mm reaches 70 wt% or thinner product fineness. According to the requirement, the precise makeup remedy method in two sections of grinding suggested in the invention mills the newly feeding mineral grain to the largest size 2-3 mm, wherein the size smaller than 0.074 mm is 20-30wt%, in the second grinding, the size is then ground to smaller than 0.15 mm, wherein the size smaller than 0.074 reaches beyond 70%, to replace the experience remedy method with rude and bad effect in the existing production. The invention not only used in the two section grinding circuit, but also is fit for the three-section grinding circuit, which has good product size characteristic, high sizing index, and can be applied in the grinding technology of the different ore rigidity, different mill specification, different rotating speed mill and different character of ore.

The invention relates to a non-contact mechanical end surface sealing structure, which comprises mechanical sealed movable ring and stable ring. While the end surface of stable or movable ring has micro groove and porous zone that symmetry according to the rotational center. Wherein, said zone is at the ascending part of end surface and the micro groove is at the descending part, which has a circular sealing dam beside it. The invention can be used in variable mediums to increase the ability of solid particle, the static pressure property, fluid dynamic pressure property and the pump adsorption property, to attain better sealing effect, with long service life.

The invention discloses a casting-fly-ash ceramsite. The casting-fly-ash ceramsite is prepared from a plurality of raw materials through mixing, granulation and maintenance. The plurality of raw materials are composed of, by weight, 95 to 105 parts of casting fly ash, 10 to 50 parts of Portland cement, 1 to 5 parts of redispersible latex powder, 1 to 5 parts of polyvinyl alcohol, 1 to 5 parts of a water reducer solution and 0 to 5 parts of bentonite. A preparation method for the casting-fly-ash ceramsite comprises the following steps: preparing the raw materials according to the above weight parts; then mixing the casting fly ash, the Portland cement, the redispersible latex powder, polyvinyl alcohol, the water reducer solution and bentonite; carrying out granulation on a mixture formed in the previous step; and subjecting pellets obtained after granulation to sealing and thermal insulation and then to maintenance. The casting-fly-ash ceramsite and the preparation method thereof realize effectively utilization of casting fly ash; the sintering-free preparation method better reduces energy consumption; so cost is reduced and environment is protected. The casting-fly-ash ceramsite has the advantages of low density, high strength, high particle integrity, etc.

A production process is provided for an olefin polymerization catalyst component precursor, including the step of adding an organomagnesium compound to a solution containing a Si—O bond-containing silicon compound, a titanium compound represented by a defined formula, and a solvent, in an amount of 2.5 to 90 mol, per one liter of the solvent, of magnesium atoms contained in the organomagnesium compound added. Also provided are a production process of an olefin polymerization catalyst component using the above precursor; a production process of an olefin polymerization catalyst using the above catalyst component; and a production process of an olefin polymer using the above catalyst.

The invention relates to the technical field of ecological management of a coal gangue mountain, in particular to a method for repairing and managing the coal gangue mountain by using coal-based solid waste. The method comprises the following steps of: sequentially forming a drainage system on the coal gangue mountain, conducting grouting for fire extinguishing, carrying out sealing and isolating, carrying out covering with gangue mixing soil and constructing vegetation. The coal-based solid waste is used in the multiple links such as fire extinguishing of coal gangue, reburning prevention, water conservancy facility construction and greening treatment, and problems are effectively solved. The coal-based solid waste is used as a main raw material to prepare a series of materials for treating the coal gangue mountain, so natural repair materials are saved, and pollution to the environment and damage to land resources caused by solid waste accumulation are avoided.

The invention discloses a miniature box-type drag chain scraper flipover leacher. The miniature box-type drag chain scraper flipover leacher comprises a box-type leacher shell, wherein a plurality of driving chain wheels are arranged in the box-type leacher shell, and are sleeved by box chains; spaced push plates are fixedly arranged on the outer side of the box chains; material storage tanks, manholes and discharge holes are respectively formed in the upper end and the lower end of the box-type leacher; feeding augers are arranged below the material storage tanks; a plurality of push box lattices as leaching units are arranged in the box-type leacher; circulating mixed oil forms a soaking pond above each push box lattice; a plurality of oil buckets are formed in the bottom surface of the box-type leacher shell; and circulating pumps are arranged at oil inlets of the oil buckets. The miniature box-type drag chain scraper flipover leacher adopts a dual-layer multi-nozzle spray-type low material level, is suitable for a preform which is large in particle size and high in moisture content (5%-8%) and of which the normal moisture is not greater than 8%-10%; the equipment operation is controllable; the production operation is stable; blanking and meal discharging are stable; the residual meal discharge oil is not greater than 1.0%; the leaching time is controlled at about 90-120 minutes in general according to the oil variety; and the optimal effect of continuous production of the special oil is achieved.

The invention discloses nucleotide mixture crystalline powder and a preparation method thereof. The preparation method comprises the following steps of performing solid-liquid separation on ribonucleic acid enzymatic hydrolysate, decoloring the enzymatic hydrolysate, regulating the pH of decolored enzymatic hydrolysate to 6.5-10.0, performing concentration, performing crystallization, performing filtration, and performing drying so as to obtain the nucleotide mixture crystalline powder containing uridylic acid, guanylic acid, cytidylic acid and adenylic acid. The nucleotide mixture crystallinepowder provided by the invention is high in purity, good in stability and free from moisture absorption, has favorable granularity and mobility, and can be widely applied to feed trade. The preparation method provided by the invention is high in yield, simple to operate and low in cost, and is suitable for industrial production.

The invention belongs to the field of garbage treatment, and specifically relates to a perishable garbage in farm product markets based organic fertilizer production method. The method includes the following steps: (1) performing junk removing, and sorting and removing junk in garbage that cannot make organic fertilizer; (2) performing pressure filtration dehydration on the junk-removed garbage sothat filter residues and filtrate can be obtained; (3) performing mechanical crushing on the filter residues to obtain filter residue debris; (4) adding the filter residue debris into the filtrate, and simultaneously adding an auxiliary agent, performing stirring for at least 1 hour under a temperature being 25-40 DEG C, and performing standing for 2-3 hours so that slurry can be obtained; (5) adding a compound microbial agent into the slurry, and performing fermentation to obtain a fermentation broth; and (6) concentrating and drying the fermentation broth, controlling water content to be at25-30%, and performing granulation so that the organic fertilizer can be obtained. The method is complete in garbage resource utilization and nutrient composition recycling, good in fertilizer efficiency of the obtained organic fertilizer, excellent in particle formability and good in slow-release effect of active ingredients.

The object of the present invention is to provide a magenta ink which is excellent in color reproducibility in a region of high saturation and low luminosity, which is less prone to clogging in an inkjet type recording head, and whose gloss is also improved, and an inkjet ink comprising the ink Recording ink set. The present invention provides a magenta ink composition having a b* value of -29 or less when the a* value of the CIE standard calculated from the visible light absorption spectrum is 80 in a diluted aqueous solution of 10,000 times or less, and a magenta ink composition having a pigment concentration of 2 The above-mentioned magenta ink composition and an ink set containing the ink composition preferably have a CIE standard a* value of 7 or more calculated from the visible light absorption spectrum in a dilute aqueous solution of ×10-3 g/l. In addition, the present invention provides a magenta ink composition having a b* value of not less than -38 and not more than -29 when the a* value of the CIE standard calculated from the visible light absorption spectrum is 80 in a diluted aqueous solution of 10000 times or less, and the above-mentioned magenta ink composition and an ink set containing the above-mentioned magenta ink composition preferably having a CIE standard a* value calculated from the visible light absorption spectrum of 5 or more in a diluted aqueous solution having a pigment concentration of 2×10-3 g/l.

The invention relates to a special nutrient package fertilizer for Honghua Dajinyuan species tobacco and a preparation method thereof. The nutrient package fertilizer is composed of a base fertilizer and an organic-inorganic compound fertilizer, wherein the base fertilizer comprises the following raw materials in parts by weight: 60-75 parts of oil cake, 5-10 parts of bagasse pith, 0.5-2 parts of Bacillus subtilis, 0.5-2 parts of Thermophilic sporotrichum, 10-15 parts of potassium humate, 10-12 parts of potassium magnesium sulfate and 27-41 parts of water; the organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 60-75 parts of oil cake, 0.5-2 parts of Bacillus subtilis, 0.5-2 parts of Thermophilic sporotrichum, 1-4 parts of Trichoderma viride, 1-4 parts of Streptomyces jingyangensis, 5-15 parts of potassium humate, 5-10 parts of amino acid, 5-15 parts of potassium nitrate, 10-20 parts of potassium sulfate, 2.5-5 parts of borax, 1.25-2.5 parts of zinc sulfate and 27-41 parts of water; and the special organic-inorganic compound fertilizer contains microbial inoculum and can activate soil microbes, so that molecular nitrogen, phosphorus and potassium in soil are converted into organic nitrogen, phosphorus and potassium which can be easily absorbed by crops under the action of the soil microbes, thus realizing equilibrium absorption of the nutrient elements.

The invention relates to a traditional Chinese medicine health product for assisting blood-lipid reduction, namely angelica sinensis and astragalus membranaceus blood-lipid reducing granules and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine preparations. The granules are prepared from the following components in parts by weight: 8-12 parts of angelica sinensis, 12-18 parts of astragalus membranaceus, 12-18 parts of kudzu vine root, 8-12 parts of rhizoma alismatis and 10-15 parts of hawthorn. The preparation method comprises the following steps: first, extracting angelica sinensis, astragalus membranaceus, kudzu vine root, rhizoma alismatis and hawthorn with water to obtain water extract, and standing the water extract to obtain supernatant; second, concentrating the supernatant to obtain thick paste, adding excipient, uniformly mixing, granulating and drying. The angelica sinensis and astragalus membranaceus blood-lipid reducing granules have relatively good blood-lipid reduction assisting effect, have good granulation forming degree, and are convenient to carry.

The invention relates to a crystal of a dibutyryl adenosine cyclophosphate calcium salt, the structural formula of the crystal is C72H92Ca2N20O32P4.9H2O, belongs to an orthorhombic crystal system anda P212121 space group, the cell parameters are shown in the description, alpha=beta=gamma=90 degrees, Z=4, the cell volume V is shown in the description , R=0.07, the true density of the crystal is 1.455 kg/m<3>, each cell comprises four minimal asymmetric units, and each minimal asymmetric unit further comprises 4 dibutyacyl adenosine cyclphosphate anions, 2 calcium ions, and 9 crystal water. Thestacking density of the crystal powder is more than 0.35 g/mL, the tap density is more than 0.38 g/mL, and the HPLC purity is more than 99.2%.

The invention relates to a high-purity nylon 5X salt and a preparation method thereof, wherein the purity of the nylon 5X salt reaches 99.5% or above, and the nylon 5X salt can be directly used for polymerization. According to the preparation method of the nylon 5X salt provided by the invention, pentamethylene diamine and nylon salt production processes are coupled together, and the nylon salt isproduced by a one-step method, so that the tedious and complex process flow is omitted, the equipment investment is reduced, and the production cost is saved; and the method provided by the inventionsolves the problem of low yield of nylon salt crystallization products by an aqueous solution method, the crystallization process is more effectively controlled, and explosion nucleation is avoided.

The invention discloses a production method of a permanent magnetic ferrite pre-sintering material. The production method comprises the following steps: a mixture of a permanent magnetic ferrite raw material iron oxide red and strontium carbonate is placed in a material mixing tower; water, ammonia water and calcium gluconate are added; stirring and grinding are carried out; the mass ratio of ironoxide red to the strontium carbonate in material slurry at the upper end of the material mixing tower or at the lower end of the material mixing tower is controlled to be (5.95-6.65):1; the mass ratio fluctuation of the iron oxide red to the strontium carbonate in the material slurry at the upper end of the material mixing tower or at the lower end of the material mixing tower is less than or equal to 0.10:1, so that a mixed material with corrected components is obtained; and the mixed material with corrected components is subjected to dehydration, pre-sintering in a rotary kiln, cooling in acooling kiln and crushing in a ball mill according to the prior art. According to the invention, a proper amount of the ammonia water and the calcium gluconate are added in a mixing process of the raw materials of the ferrite pre-sintering material, so that a problem of consistency of the material mixing process is solved, a problem that consistency of product performance after sintering is pooris solved, and stability of products can be effectively guaranteed.