36results about How to "Increase feed concentration" patented technology

The invention relates to a preparation method of edible rice protein. The method comprises the following steps of pre-treating raw materials, crushing, mixing, reacting, separating and washing, drying and the like. According to the method provided by the invention, macromolecular dextrin in rice dreg is washed by using hot water before being aged; impurities in the rice dreg can be separated from protein which is not dissolved in water by crushing and a salt forming reaction of fat; then a cyclone is used for separating and washing so that the separating and washing efficiency is greatly improved; compared with flash drying and spray drying, the preparation method has the advantages that the equipment investment is saved by about 40% and the operation cost is saved by about 35%; the edible rice protein with the protein dry basis content more than 90%, fat content less than 2% and ash content less than 2% is obtained; the extraction rate of the rice protein is more than 85%; the obtained product can be widely applied in food industries, particularly infant foods; compared with a manner of using the raw material rice dreg as a feed, the preparation method has the advantage that the added value of products is greatly increased.

The invention relates to a method that prepares ethanol through the grading processing with ionic liquids and one-step zymolysis and utilizes a raw material of native cellulose. The raw material of native cellulose is orderly processed by the ionic liquids A and B so as to respectively remove hemicellulose and lignin, and the obtained cellulose is used as a substrate so as to be further fermentedto prepare the ethanol; the ionic liquid A is an acid or alkalic ionic liquid, the ionic liquid B is a halogenated-imidazole-like ionic liquid. The method utilizes the ionic liquids to implement the grading processing of the raw material of native cellulose, removes the substances of the hemicellulose and the lignin that are harmful to the zymolysis production of the ethanol, uses the substances for other purposes, and only utilizes the cellulose as the substrate so as to implement the ethanol zymolysis, thus realizing complete utilization of the raw material of native cellulose. Simultaneously the method can avoid adsorption of the hemicellulose and the lignin by cellulose enzyme and improve the activity of the cellulose enzyme; the accumulation of the substances that are not fermented in a reactor is reduced, and the method can realize continuous zymolysis in a long time, has high input concentration, recycles yeast and cellulose enzyme, has high concentration of recycled ethanol, and saves water.

The invention relates to high-purity rice bran protein and rice bran fibers, and further relates to a preparation method of the high-purity rice bran protein and the rice bran fibers. The preparation method includes the steps of raw material pretreatment, first size mixing and enzyme reaction, second size mixing and enzyme reaction, separate washing, drying and the like. According to the method, through superfine grinding and amylase and cellulose hydrolyzing, components of defatted rice bran are effectively separated, a whirlcone is utilized to conduct the washing treatment, and therefore separate washing efficiency is greatly improved. Compared with spray drying, flash drying equipment is utilized, investment is saved by about 40%, operating cost is saved by about 35%, in rice bran protein products, the protein content is over 80%, the ash content is below 3%, the fat content is below 0.5%, the protein extraction ratio is over 75%, and in rice bran fiber products, the fiber content is over 70%, the ash content is below 4%, and the fat content is below 1%. The high-purity rice bran protein and the rice bran fibers all can be widely applied to the field of health food, nutritious food and the like, and additional value of rice deep processing is greatly improved.

The invention discloses a production technology of high-grade molybdenum concentrate, which comprises the following steps: rough molybdenum concentrate is obtained by roughing crude molybdenum ore, the rough molybdenum concentrate is concentrated and removed reagent through a thickener, underflow enters a hydraulic swirler to be graded previously, overflow after the grading enters a primary flotation column to be selected, the underflow after the grading enters a horizontal ball grinding mill to be reground, and after the regrinding, the ore discharge enters the hydraulic swirler to be regraded; selected concentrate from the primary flotation column is cleaned by a vertical ore mill to enter a secondary and a tertiary flotation columns to be selected, and the selected concentrate from thetertiary flotation column directly enters or enters a quartic or a quintic flotation columns to be selected after being cleaned by a second section of the vertical ore mill to obtain the high-grade molybdenum concentrate; the selected tailings from the primary flotation column is tertiary scavenged by a flotation machine, and the scavenged concentrate tailings from the tertiary scavenging enters the next procedure. The technology adopts the flotation columns and the flotation machine, so the flow is short, the agent system is simple, the adaptability of the crude ore is strong, and the molybdenum concentration ratio is high, the molybdenum concentrate has high grade, large yield and high recycling rate so as to provide excellent raw material to the following molybdenum chemical engineering and further processing.

The invention provides a Chinese herbal medicine compound preparation for promoting angiogenesis. The Chinese herbal medicine compound preparation contains the following components in parts by weight: 65 parts of main herb including radix peucedani, radix rehmanniae preparata and bighead atractylodes rhizome at weight ratio of 3:1:1, ministerial drug including 10-12 parts of arisaema aridum, 10-12 parts of radix ophiopogonis, 8-12 parts of elecampane, 6-8 parts of fructus aurantii and 6-8 parts of schisandra chinensis, adjuvant including 30-50 parts of corns officinalis, 20-40 parts of tea tree root and 10-15 parts of fresh ginger and conductant drug including 12 parts of radix paeoniae alba. The Chinese herbal medicine compound preparation provided by the invention is based on the principle of assistant and guide, the composition is reasonable in compatibility, various medicinal materials mutually coordinate and match with one another and the Chinese herbal medicine compound preparation has toxicity-reducing and synergic effect and has excellent angiogenesis adjusting activity. A spray drying technology is adopted and the compound ingredients prepared from dextrin, galactose, lactitol and SiO2 are added into the Chinese traditional medicine extract provided by the invention, so that the wall adhering phenomenon in the spray drying process of the Chinese traditional medicine extract is improved under the synergic effect, and meanwhile, the feeding concentration of the spray drying is increased and the time and energy consumption of the spray drying are obviously reduced.

The invention provides a continuous production method of isoprene rubber and the isoprene rubber produced thereby. The method is carried out in a plurality of adiabatic reactors which are connected in series. The method comprises the following steps of: continuously feeding a reactant containing isoprene, a rare earth catalyst and a solvent from a first adiabatic reactor of the plurality of series-connected adiabatic reactors; refilling the solvent to at least one of the adiabatic reactor following the first adiabatic reactor in order to polymerize isoprene to obtain a rubber solution; and treating the rubber solution by coagulating, dewatering and drying in sequence, wherein an isoprene monomer in the material fed in the first adiabatic reactor is at the concentration of 14 to 50 wt%; and the rare earth catalyst contains neodymium carboxylate with 7 to 14 carbon atoms, aluminum alkyl, halide and conjugated diene. According to the method, the output can be increased, the monomer conversion rate of isoprene reaches more than 96%, and the prepared isoprene rubber contains at least 98wt% of cis-1,4-structure based on the content.

The invention relates to a method for purifying resistant dextrin by sequential simulated mobile chromatography. The method uses a preparation solution of resistant dextrin as a raw material, wherein the content of resistant dextrin is 40%, and the mass content of miscellaneous sugars is 40%. After pretreatment, the concentration of the resistant dextrin preparation solution is adjusted to 60%, and the eluent is deionized water; the pretreated resistant dextrin preparation solution is purified by sequential simulated mobile chromatography, the first stage: the system simultaneously enters the resistant dextrin preparation solution Dextrin preparation liquid, enter eluent, and discharge; second stage: the material does not enter and exit, and a large cycle is carried out, and the direction of liquid flow is from column 1 to column 6; third stage: only enter eluent for deionization Water, eluent deionized water into column 1, part of the resistant dextrin component from the outlet at the lower end of column 5; feed inlet, eluent inlet, first outlet, and second outlet Move to the next column sequentially along the direction of column 1 to column 6, and repeat the purification cycle until the purification is completed. The process of the invention has low operating cost and can be continuously produced.

The invention discloses a method for preparing rare-earth isoprene rubber. The method comprises: in the presence of a solvent and under the conditions of solution polymerization, isoprene monomer and rare-earth catalyst are mixed in a first horizontal twin-shaft stirring mixer The contact reaction is carried out within the contact reaction, and then the mixture obtained after the contact reaction is devolatilized in the second horizontal twin-shaft stirring mixer; wherein, the first horizontal twin-shaft stirring mixer and the second horizontal twin-shaft stirring mixer Stirring mixers were all operated isothermally. Using the method for preparing rare earth isoprene rubber provided by the present invention can not only increase the feed concentration of isoprene monomer, but also directly devolatilize the obtained rare earth isoprene rubber glue, and at the same time, because it does not introduce Hot water does not need to dehydrate the colloidal particles, which greatly reduces energy and material consumption.

The invention relates to a horizontal stirring methane fermentation device with a vertical cylindrical tank. The device is a cylindrical vertical fermentation tank, wherein clapboards are longitudinally arranged in a tank body and parallel to one another; the middle part of the tank body is provided with at least one group of horizontal stirrers; a feeding hole is formed outside the tank body corresponding to the first clapboard; a discharge hole is formed outside the tank body corresponding to the last clapboard, is lower than the feeding hole and is connected with a liquid delivery pipeline; an overhaul well is arranged outside the semispherical top of the tank body; and a gas guide pipe and a gas exhaust pipe are arranged on the side wall of a shaft of the overhaul well. The device effectively solves the problems of miniaturization, low concentration, high construction cost, high operating cost, incomplete reaction, abnormal gas production in winter and the like of the conventionalmethane tank, effectively solves the problems of direct current and non-uniform mixing, is high in gas production rate, cannot be incrusted, is low in operating cost and construction cost, and is particularly suitable for the large-scale industrial, intensive and commercial production of methane.