33results about How to "Wide adaptability of raw materials" patented technology

The invention discloses a kind of biomass gasifying method and device. The technology through separating the two courses of solid biomass pyrogenation and decomposition and gasification of the pyrogenation outcome, then transform the biomass into flammable gas of rather low tar content. Firstly send biomass into the pyrogenation reactor, without oxidant in; have pyrogenation reaction at 400 - 650 Deg. C, the pyrogenation outcome including pyrogenation gas and remaining charcoal gets into pyrogenation carburetor, and have incomplete oxidizing combustion reaction with sent oxidant, to form a high temperature of 900 - 1100 Deg. C. At the time, the heavy hydrocarbon substance of tar decomposes into small molecule gas, and the decomposed gas leaves out of the carburetor after having deoxidizing reaction with the nether blazing carbon layer. The high temperature gas is provided for consumers' use after depurated and cooled. The gas produced by the invention has very low tar content, which makes the following depurating equipment simple, won't produce second pollution and makes the raw materials widely used. The produced fuel gas can be used in civil filed and directly used for generating electricity.

The invention discloses a preparation method of a yarn with a long and short fiber compound structure, belonging to the technical field of textile processing. The preparation method comprises the following steps of: feeding short fiber rove fiber strands unwound from a rove tube into a drafting zone through a yarn-guiding horn for drafting on a drafting mechanism of a ring spinning frame; feeding at least three filaments into a front jaw from the rear end of a front roller at an interval of 0.1-3mm; jointing the filaments and the rove fiber strands at the jaw part; outputting and feeding drafted rove fiber strands and the filaments from the front jaw into a twisting triangular zone; twisting the rove fiber strands and the filaments into the yarn and winding the yarn on a spun yarn bobbin; and forming compound yarns with different structures according to the space among the filaments and the different relative positions of the rove fiber strands. The invention can prepare yarns with a unique internal space structure and an external surface structure on the ring spinning frame, enhances the strength, the wear resistance and the bend resistance of the yarns, has favorable conformality of textures and can achieve the effect of wearing after washing. The invention realizes the preparation of the yarns with special structures and special functions on the traditional spinning equipment.

The invention discloses a rotational-flow electrolysis method and a device thereof, which represent new technology for performing selective electrolysis (electrodeposition) on valuable metals and are particularly suitable for performing selective electrolysis (electrodeposition) separation and purification on low-concentration solution, which has complex composition in the metallurgy industry, and stripping heavy metal ions from waste water. Due to the adoption of the technology, the problems of small electrolytic current density, non-uniform current distribution, great difficulty in removing impurities from solution, long process flow, high production cost, low overall efficiency and the like existing in the electrolysis process of conventional flat plate (frame) electrolysis technology (device) can be solved effectively. Moreover, an electrolysis technical solution (device), which has the advantages of high efficiency, reliability, simple process flow, simple and convenient operation and low cost in the presence of complex solution composition, is provided.

The invention relates to a method for producing functional grease containing rich phytosterin ester from high-acid-value vegetable oil. The method is characterized by comprising the following steps: (1) addition of reaction raw materials: adding phytosterin, high-acid-value grease and molecular sieve into a reaction kettle, adding 100-200ppm of antioxidant, heating to 45-60 DEG C, stirring and carrying out ultrasonic treatment to obtain a premixture, wherein the mole ratio of the phytosterin to free fatty acids in the high-acid-value grease is 1:1-5:1; (2) enzymatic ester exchange reaction: adding 5-40 g/L lipase into the premixture, and stirring to react at 45-60 DEG C under normal pressure for 6-12 hours; and (3) carrying out after-treatment on the product to obtain the functional grease containing rich phytosterin ester. The method can obviously lower the acid value of the high-acid-value vegetable oil and generate the new functional active component phytosterin ester, and the product is simple for separation and purification; and thus, the method can easily implement large-scale amplification.

The invention relates to a semi-worsted yarn and a spinning method thereof. The semi-worsted yarn is formed by blending, by weight, 25-35% of coffee carbon fibers, 25-35% of bamboo carbon fibers and 30-40% of cotton fibers and spinning the same by semi-worsted spinning process. The spinning method sequentially includes a dyeing step, a fiber combining step, a cotton carding step, a drawing step, a roving step, a yarn spinning step and a spooling step. The blended semi-worsted yarn is blended with various fibers. The advantages of each fiber, which are shown by reasonable arrangement of the fibers according to weight proportion, are integrated, and accordingly, basic performance of the yarn is kept while functions of suppressing bacterium breeding, reducing discharge of smelly ammonia and effectively removing peculiar smell of smoke and wine and the like are achieved. Besides, compared with the worsted process, the semi-worsted process is short in procedure. The semi-worsted yarn is looser and softer than worsted yarns and more uniform and lustrous than roving and is high in applicability to raw materials, widely popularized, low in equipment investment and small in occupation space in factories, and the count of the yarn can be adjustable.

The invention belongs to the technical field of nonferrous metallurgy, and particularly relates to a selective oxygen pressure leaching method for the enrichment of precious metals from high-iron, high-copper and nickel-containing materials. The method comprises the following steps of purification and impurity removal, normal-pressure leaching, oxygen-pressure deironing, oxygen-pressure nickel immersion and oxygen-pressure copper immersion. The method is short in technological process and high in direct yield, and can be used for selectively leaching nickel, cobalt, copper and iron and respectively realizing open circuit; and the method is wide in raw material adaptability, suitable for treating various high-iron high-copper nickel-containing materials such as intermediate product low-nickel matte generated in the conventional nickel sulfide ore smelting process, primary alloys, fine grain alloys, cobalt-rich low-nickel matte and cobalt-rich matte, and is remarkable in benefit. The nickel sulfate cobalt sulfate solution obtained by adopting the method is high in the product quality, and the requirements of multi-variety production can be met at the same time; the noble metal can be totally enriched in the oxygen pressure leaching copper slag and can be used as a noble metal concentrate, the direct yield and the enrichment ratio are high, and iron is directly used in a product form; and copper is leached to obtain a copper sulfate solution, and crystallized copper sulfate or electrodeposition copper can be produced.

The method for extracting protein and phytic acid from rapeseed cake includes: using a compound of two or more polysaccharide hydrolytic enzymes to hydrolyze the rapeseed cake so that the ratio of the total sugar of the rapeseed cake released into the hydrolyzate liquid phase is greater than 50% ; Adjust the obtained hydrolyzate to pH 3-6 to extract phytic acid, and then separate solid-liquid to obtain phytic acid extract and hydrolyzed cake; use alkaline solution to extract protein in hydrolyzed cake at pH 9-12; use acid precipitation method Or membrane separation method to separate protein from alkaline extract. Improve the extraction efficiency of rapeseed protein and phytic acid, and improve the purity and quality of rapeseed protein products (reduce phytic acid residue).

The invention relates to a continuous esterification and ester exchange process used for producing biodiesel, which comprises the following steps of: continuously delivering high-acid value oil, carbinol and an acid catalyst to an esterification mixing tank G1, stirring and mixing and then pumping into an esterification fibrous membrane reactor R1 by a pump B1; after reaction, entering a carbinol-removing tower T1 to remove carbinol; pumping carbinol-removed materials into a fibrous membrane water knockout vessel F1 by a pump B2; after acid-contained wastewater is separated out, delivering to a secondary reaction system; completely repeating the processes in the secondary reaction system after the carbinol and the acid catalyst are supplemented; delivering water-knocked out materials to an ester exchange system; delivering the materials from an esterification system and the carbinol and the acid catalyst to an ester exchange mixing tank G2; stirring and mixing and then pumping into an ester exchange fibrous membrane reactor R2 by a pump B3; entering a carbinol-removing tower T2 after the ester exchange reaction to steam off the carbinol; pumping the carbinol-removed materials into a setting tank G3 by a pump 4; and then settling and separating glycerol to obtain biodiesel. Since the fibrous membrane high-efficiency mass transfer reactor is used by the process, the speed of generating fatty acid methyl ester is greatly increased.

A composite catalyst for biological diesel-oil by high-acidity grease is carried out by mixing methyl sulfonic acid with tin tetrachloride and concentrated sulfuric acid in proportion of 1:1:1, and esterification reacting by composite catalyst 2.5-3% at 58-63 degree for 3.5-4 hrs to convert waste grease into biological diesel-oil. It's fast, has gentle reactive condition, higher recovery rate and better quality.

The invention provides a circulating fluidized bed reactor for preparing hydrogen by gasifying biomass. The reactor comprises a reactor shell, a cyclone dust collector and a material returning device, wherein the reactor shell consists of a reactor upper shell, a cylindrical furnace lining and a reactor lower shell, the top part of the reactor upper shell is connected with the cyclone dust collector, the lower end of the reactor upper shell is provided with a biomass charging port, and the bottom part of reactor upper shell is muff coupled with the cylindrical furnace lining; an induction heating device is suspended in the cylindrical furnace lining, and an electric induction coil is wound outside the cylindrical furnace lining and connected with a heating power supply; the bottom part of the cylindrical furnace lining is muff coupled with the reactor lower shell, air distributors are arranged in the reactor lower shell, the bottom part of the reactor lower shell is provided with a vapor charging port, and a material returning port is arranged above the air distributors; and the bottom part of the cyclone dust collector is connected with the material returning device, the material returning device is connected with the material returning port, and the bottom part of the material returning device is provided with a material returning vapor charging port. The circulating fluidized bed reactor has the advantages of uniform heating, energy conservation and environmental protection, continuous operation, simple structure and the like, and can produce the hydrogen-enriched synthetic gas by pyrolysis of biomass materials such as stalks, rice hulls and sawdust.

The invention discloses a complex acid catalyst for producing biodiesel from acidified oil and a production method of the biodiesel. The method comprises the complex acid catalyst which comprises concentrated sulfuric acid, concentrated phosphoric acid and linear alkylbenzene sulfonic acid, and the method comprises the following steps: mixing the concentrated sulfuric acid, the concentrated phosphoric acid and the linear alkylbenzene sulfonic acid according to the weight ratio of 2-4: 1: 1; and dissolving the complex acid catalyst in methanol, adding into a reaction kettle, producing refined fatty acid methyl ester, namely the biodiesel, through three steps. The method for producing the biodiesel from the acidified oil by utilizing the complex acid catalyst has simple process, strong operability, low production energy consumption, high conversion rate of the biodiesel and improved economic benefits.

The invention discloses a device for preparing synthetic gas by virtue of non-thermal arc plasma pyrolysis of coal. The device comprises a non-thermal arc plasma reactor and a high-voltage power supply for supplying power to the plasma reactor, wherein the non-thermal arc plasma reactor mainly comprises a quartz container, an upper polytetrafluoroethylene flange, a lower polytetrafluoroethylene flange, a tip graphite electrode, a flat graphite electrode and a ceramic crucible. Coal is crushed and loaded into the plasma reactor, a carrier gas is introduced, the high-voltage power supply is started and thus the plasma reactor begins to work; the carrier gas between the electrodes is broken down and ionized by virtue the high voltage to form non-thermal arc plasma and coal in the plasma region is subjected to pyrolysis reaction under the actions of high-energy electrons, free radical active substances and an electric field to produce solid carbon residues and hydrogen-enriched synthetic gas. By the device, the process for preparing synthetic gas from coal can be completed according to the actual requirements and the device has the characteristics of wide adaptability of raw materials and low investment cost and can be used in production of chemical synthetic gas and civil fuel gas, industrial furnace kiln fuel gas and power generation fuel gas.

The invention discloses an ionic liquid type polyoxometalate catalyst, the structural formula is [MIMPS] _n h _6‑n P ₂ Mo ₁₈ O ₆₂ , where n=1‑6, by adding phosphomolybdic acid H ₆ P ₂ Mo ₁₈ O ₆₂ Dissolve in distilled water, then add 1‑(3‑sulfonic acid group) propyl‑3‑methylimidazole to obtain a mixed solution, age the mixed solution at room temperature, prepare through suction filtration, washing, and drying, used for Catalyzes the conversion of biomass straw into phenolic compounds, xylose and glucose.

The invention provides an intelligent spinning device and system of a rotor spinning machine, and relates to the technical field of intelligent spinning equipment. The intelligent spinning device comprises a cotton sliver feeding mechanism and an impurity discharging and carding mechanism. A charge release area and a traction area are arranged in an impurity removal area of a carding cavity, a charge adsorption instruction is triggered when cotton sliver impurities are detected to be light impurities through an impurity detector, so that the light impurities passing through the charge release area are electrified, the electrified impurities are pulled to move through the traction area, and the electrified impurities are sucked away by an impurity suction opening when passing through the impurity suction opening; the sliver feeding mechanism comprises a sliver guide device and a feeding roller, a sliver self-transmission mechanism is arranged corresponding to the sliver feeding mechanism, and the sliver self-transmission mechanism comprises an outer circulation traction structure which is connected with an inner circulation traction structure of the can conveying mechanism to form a closed-loop sliver conveying structure so as to convey slivers on the cans into a channel of the sliver guide device. Intelligent impurity removal based on the cotton sliver impurity type is achieved, and meanwhile automation, continuity and intelligence of spinning equipment are improved.

The invention relates to a nickel extracting method through the pressurized leaching of non metallization high content nickel matte material. The invention is characterized in that the two-stage atmospheric pressure leaching process and the two-stage pressurized leaching process are adopted to extract nickel through the pressurized leaching of the non metallization high content nickel matte material. By adopting the method of the invention, the leaching rate of nickel and cobalt is larger than 98 percent, the noble metal is completely concentrated in leached slag, the sulfur of the high content nickel matte is oxidized into sulfate radical to enter the solution, the pour solution of nickel sulphate and cobalt sulphate is obtained after the one stage pressurized leaching solution is processed through the one stage atmospheric pressure leaching and purifying. Copper is mainly delivered into the two-stage pressurized leaching solution. Iron and noble metal are concentrated in the two-stage pressurized leached slag. The process has the advantages that the process is simple, highly efficient and environment friendly, and the adaptability of the raw material is wide. The invention is suitable for the treatment of albata alloy, and through adjusting the relative technical parameter, the invention is suitable for selectively leaching and segregating nickel, copper and noble metal fromnon metallization high content nickel matte with various grades.

The invention provides a rotor spinning machine double-impurity-discharging carding device combined with charge balance and application, and relates to the technical field of spinning equipment. The double-impurity-discharging carding device comprises an air supplementing channel and a carding cavity impurity discharging area which are arranged corresponding to the lower portion of a carding cavity; an impurity stripping channel inclining downwards is formed in the lower portion of a carding roller through an impurity stripping surface; the impurity stripping channel comprises an effective fiber area, a coiling back suction area and a free impurity falling area; impurities in the coiling back suction area are discharged through an impurity suction opening in the impurity stripping surface; and a charge release area and a traction area are arranged corresponding to the coiling back suction area; the charge release area enables impurities in the coiling back suction area to be electrified by releasing net charge substances, the traction area adsorbs the electrified impurities to move towards the traction area, and the electrified impurities are sucked and discharged when passing through an impurity suction port. Free impurity falling and precise impurity absorption are organically combined, the charge release area and the traction area are used for assisting precise impurity absorption, and the device has the advantages of being wide in raw material adaptability, good in yarn forming quality consistency and low in energy consumption.