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3640results about How to "To satisfy the market's needs" patented technology

Construction material produced by utilizing industrial residue

The invention discloses a construction material produced from industrial residue, aims to provide a construction material having the advantages of light weight, sound insulation, heat insulation, low cost, fire resistance, dense products, high rigidity and the like, and solves the problems with land occupation and pollute environment of phosphate slag and phosphogypsum at the same time. the invention is realized through the following technical scheme: phosphate slag and phosphogypsum are used as raw materials for producing the construction material, which comprises the following components by the weight part: 35 to 65 parts of phosphate slag, 10 to 40 parts of phosphogypsum, 5 to 15 parts of lime, 15 to 28 parts of cement, 0.1 to 0.4 part of light aggregate, 0.02 to 0.05 part of soluble glass, 0.02 to 0.05 part of water-reducing agent, 0 to 0.004 part of retarding agent, 0 to 0.005 part of early-strength admixture, and 0 to 0.008 part of foam killer; the components are weighed by the formula weight part and added to a blender; water is added to the blender with the water-to-material proportion being 4 to 10 and mixed evenly with the materials; and the solution is cast into a die and natural air dried after molding. Dies with different structures can be used according to purposes to conduct cast molding. The construction materials such as wall plates, guardrail decoration pillars, door and window sleeves, vase sleeves and the like can be produced.
Owner:张勇飞

Ultra centrifuge

The invention discloses an ultra centrifuge. The ultra centrifuge solves the two major problems of development of high-speed motors and development of high-speed vacuum sealing devices, air floatation and air floatation hybrid bearing technology is adopted in the design of the high-speed motors, and bearing stiffiness and bearing stability are enhanced greatly; a large interference shrink fit method is adopted in the design of protective sleeves, and completeness of rotors is protected effectively; the rotors are of a three-section structure; a stator core is of a relatively eclectic 12-groove structure, and a winding utilizes a ring-type winding; and the cooling method is a force-air cooling method, and reliable and stable operation of an ultra centrifuge driving device is guaranteed. High-speed vacuum sealing utilizes a magnetic drive vacuum dynamic sealing connection method, and non-contact transmission of motive power is achieved through magnetic transmission between an inner magnet rotor and an outer magnet rotor. The successful development of the ultra centrifuge changes the passive situation that out country completely relies on import in an ultra centrifuge market, and the ultra centrifuge has wide market prospects and great social benefits.
Owner:HUNAN AEROSPACE ELECTROMECHANICAL EQUIP & SPECIAL MATERIAL INST

Method for producing broad-concentration phosphoric acid and clean plaster by middle-low grade phosphorus ore wet process

InactiveCN102001636AImprove phosphorus yieldOmit the beneficiation processCalcium/strontium/barium sulfatesPhosphoric acidSolid phasesLow graded
The invention discloses a method for producing broad-concentration phosphoric acid and clean plaster by a middle-low grade phosphorus ore wet process. The method comprises the following main procedures: (1) adding powder phosphorus ore and phosphoric acid to a semi-acid hydrolysis reaction tank for acid hydrolysis reaction at 95-105 DEG C, and carrying out solid-liquid separation on the slurry obtained by acid hydrolysis after full acid hydrolysis reaction; (2) transferring phosphoric acid clear liquid separated in procedure (1) into a crystallization tank, adding sulfuric acid and carrying out crystallization at 70-110 DEG C, and carrying out solid-liquid separation after full reaction, wherein, a liquid phase is the phosphoric acid to be prepared and a solid phase is the functional clean plaster to be prepared; and (3) transferring residue slurry separated in procedure (1) into a secondary acid hydrolysis reaction tank, adding water, carrying out secondary acid hydrolysis and recrystallization on the residue slurry at 65-80 DEG C, carrying out solid-liquid separation after full reaction, transferring the obtained separation liquid into procedure (2), and discharging the separated solid residues. The method of the invention has the characteristics of high production efficiency, high phosphorus resource recovery rate, strong production capacity, good economic benefit, strong operability and the like.
Owner:SICHUAN UNIV

A kind of early-maturing cultivation method of small watermelon

The invention belongs to the technical field of agriculture, and discloses a cultivation method for premature small watermelon. The method comprises the following steps of: (1) grafting and raising seedlings: the sowing time of stocks is the first ten days and the middle ten days of December, and scions are sowed in 7 to 12 days later than the stocks; (2) planting grafted seedlings, and performing heat insulation and temperature rise by adopting four-layer coverage of a big shed, a medium shed, a small shed, a mulching film and an electric heating wire; (3) controlling the temperature; (4) pruning with a double-vine or three-vine pruning method; (5) performing artificial pollination and leaving fruits: performing artificial pollination when the second female flower of the main vine and the first female flower of the side vine come out; and (6) harvesting. The harvesting time of the premature small watermelon cultivated by using the method is advanced to the middle ten days and the last ten days of April and advanced by 20 to 30 days compared with the conventional greenhouse cultivated watermelon, and the harvesting time is kept away from the plum rain season of the southern district, so that high yield and stable yield are ensured. Not only the market demand is met, but also the yield and the economic benefit are greatly improved.
Owner:NANJING INST OF VEGETABLE SCI

Optical diffusion barrier with covering power and light transmittance compatibility and preparation method thereof

The invention discloses an optical diffusion barrier with covering power and light transmittance compatibility, comprising a transparent PET base material, a diffusion layer coating the upper surface of the base material, and a back coating layer coating the lower surface of the base material. The diffusion particle of the diffusion layer comprises composite particle size organic particles composed of large particle size organic particles with a particle size range of 10-20 mu m, middle particle size organic particles with a particle size range of 5-8 mu m, and small particle size organic particles with a particle size range of 1-3 mu m, and small particle size inorganic particles with a particle size range of 20-500 nm. The arrangement format, particle size and mass percent of organic particles in the diffusion layer and the thickness of the diffusion layer are controlled, thereby realizing the covering power and light transmittance compatibility of the diffusion barrier; in addition, anti-adhesion inorganic particles are arranged in the back coating layer, so as to enhance scraping resistance performance, and to allow the diffusion barrier to possess better antistatic and anti-adhesion performance. The invention also discloses a preparation method of the optical diffusion barrier with covering power and light transmittance compatibility, which meets market demands, possesses simple processes and is easy to operate.
Owner:FSPG HI TECH

Flame retardant blended yarn and production method thereof

The invention relates to a flame retardant blended yarn and a production method thereof. According to weight percentage, the flame retardant blended yarn is formed by the following components through blending: 25-30% of flame retardant polyester filament yarns, 20-25% of flame retardant acrylic fibers, 20-30% of hemp fibers and 20-30% of cotton fibers. The production method includes: making hemp fibers and cotton fibers into card slivers respectively and tearing the card slivers into loose fibers, and making the card slivers into hemp/cotton blended combed silvers through second blowing carding in a single fiber type mixing way; making the flame retardant acrylic fibers into flame retardant acrylic card silvers; producing blended rough yarns by use of the hemp/cotton blended combed silvers and the flame retardant acrylic card silvers; producing flame retardant blended yarns by use of spun yarns in a core spun mode; producing the needed flame retardant blended yarns after plasma preprocessing and yarn flame retardant finishing. According to the flame retardant blended yarn and the production method thereof, the hemp fibers, the cotton fibers and two flame retardant fibers are selected for blending, and accordingly the produced yarns have excellent flame retardant performance as well as good antibacterial, moisture absorptive and ventilate wearing performances; the spun yarns are in the core spun mode so the tare effect is eliminated and the flame retardance is improved.
Owner:青岛博徕施纺织有限公司

Production technology of viscose extinction monofilament

The invention relates to a production technology of viscose extinction monofilament. The production technology takes cellulosic fiber pulp as a raw material and obtains viscose extinction monofilament through preparation of a spinning solution, injection before spinning, spinning and aftertreatment, and specifically comprises the following steps of: (A) preparing the spinning solution from the cellulosic fiber pulp through steeping, ageing, yellowing, dissolving, defoaming and filtering; (B) adding a titanium dioxide solution into the spinning solution so that the weight ratio of titanium dioxide to alpha cellulose content in the spinning solution reaches (0.5-5.0):100; and uniformly mixing and feeding for spinning; (C) feeding the spinning solution into a spinning machine, and enabling the spinning solution to pass through a spinneret orifice of a single-hole spray head under pressure, and solidifying and molding the formed viscose trickle to form raw silk strips, wherein the spray head is stretched by +60% to +80%, and an inlet channel of the spinneret orifice is in a parabola shape; and (D) performing aftertreatment: performing desulfurization, bleaching, oiling and drying on the raw silk strips to obtain the viscose flat monofilament. According to the production technology provided by the invention, the filament number of the prepared viscose monofilament is 50-6,000D, the strength is high over 75CN, and the requirements on dyeing, weaving and finished product taking are met; and moreover, the viscose extinction monofilament has gentle color and an extinction effect.
Owner:YIBIN HIEST FIBER +2

Bag-supplying type filling sealing machine

A bag-supplying type filling sealing machine is characterized by comprising a rack and a bag-arranging device, a bag-taking device, a bag-transporting device, a suction transporting bag opening device, a filling device, a sealing device and a finished product output device, wherein the bag-arranging device, the bag-taking device, the bag-transporting device, the suction transporting bag opening device, the filling device, the sealing device and the finished product output device are arranged on the rack. The suction transporting bag opening device is arranged below the filling device, the bag-transporting device is arranged between the bag-arranging device and the suction transporting bag opening device, the bag intake portion of the bag transporting device is arranged below the bag-arranging device, and the bag output portion of the bag transporting device is arranged below the suction transporting bag opening device. The bag-taking device is arranged below the bag intake portion of the bag-transporting device, and the bag-taking device stretches into the bag-arranging device. The sealing device is arranged between the suction transporting bag opening device and the filling device, and the finished product output device is arranged below the suction transporting bag opening device. And therefore, the bag-supplying type filling sealing machine is high in production efficiency, at the same time, is suitable for filling and sealing of large packaging bags.
Owner:广东中一智能科技有限公司

Efficient basketball washing device

The invention discloses an efficient basketball washing device. The efficient basketball washing device comprises a fixed base. Landing legs are symmetrically arranged on the two sides of the lower end of the fixed base, the lower ends of the landing legs are slidingly sleeved with supporting sleeves, and rollers facilitating carrying of the device are arranged at the lower ends of the supportingsleeves. Buffer springs are arranged in the supporting sleeves, and the landing legs and the supporting sleeves are connected and fixed through the buffer springs. Through the arrangement of the buffer mechanisms, the anti-shake performance of the device is effectively improved. A first supporting plate is vertically fixed to the upper left end of the fixed base, a second supporting plate is vertically fixed to the upper right end of the fixed base, and a movable installing plate is slidingly arranged between the first supporting plate and the second supporting plate. Basketballs can be automatically scrubbed instead of being manually scrubbed, thus, the washing efficiency of the basketballs is greatly improved, a large batch of basketballs can be washed, and market requirements are met; besides, the washing mode differs from traditional clean water soaking and flushing modes, the service life of the basketballs is guaranteed, and high practicality is achieved.
Owner:SHANDONG WOMENS UNIV

Production method of small rice vinegar

The invention belongs to the technical field of edible vinegar, in particular to a production method of small rice vinegar. The invention aims at solving the technical problems of low production efficiency, unstable process conditions, high labor intensity of workers, impacts on quality and taste of the rice vinegar and the like in manual control which is mostly adopted for making the vinegar at present. The production method of the small rice vinegar comprises the following steps: 1) taking small rice, preparing into rice flour, and adding a certain amount of water for preparing into slurry; 2) adding amylase and glucoamylase into the slurry, and preparing into serous fluid; 3) adding brewing yeast and Daqu into the serous fluid for preparing into wine mash; 4) taking a certain proportion of the wine mash, rice hull and wheat bran, placing into a fermentation tank, adding acetic bacteria, preparing into fermented material, further using water to leach acetic acid in the fermentation tank and preparing into vinegar liquor; 5) sterilizing the vinegar liquor, placing the vinegar liquor after sterilization into an aging tank for hermetical aging for at least 90 days, and preparing into mature vinegar; and 6) filtering the mature vinegar, carrying out instantaneous sterilization at 125-135 DEG C for 4-6s, and preparing into the small rice vinegar. The production method of the small rice vinegar adopts the automatic mechanical vinegar making way, has high production efficiency and stable process conditions, and can reduce the labor intensity of the workers and meet the market demand.
Owner:SHANXI SANSHENGHE BREWING

Industrialized iconological breeding method of young shrimps having high stress resistance and high disease resistance

The invention relates to the technical field of marine product seed breeding and in particular relates to an industrialized iconological breeding method of young shrimps having high stress resistance and high disease resistance. The industrialized iconological breeding method comprises the steps of the construction and sterilization of an isolating breeding workshop and a standard breeding pool, the integrated treatment of breeding water, the healthy cultivation and reproduction of prawn parents, the throwing-in of healthy nauplius, the preparation of a breeding bait, the biological control and management of breeding water quality, bait feeding management, control of physical factors such as temperature and light, and the like. Due to biological control on the water environment of the indoor breeding pool and effective control on water temperature, illumination, transparency, dissolved oxygen, salinity, PH value, harmful substances, pests and the like, the breeding environmental conditions are optimized, the drug use, the feeding capacity and the drainage are reduced; in addition, the stress resistance and the disease resistance of the young prawns are enhanced, the quality and the survival rate of the young prawns are increased. The industrialized iconological breeding method of young prawns having high stress resistance and high disease resistance is used for solving the key technical problems of prawn breeding; a high-efficiency environment-friendly breeding mode is provided to promote efficient sustainable development of the prawn breeding industry.
Owner:GUANGDONG JINYANG BIOTECHNOLOGY CO LTD

Superfine wool yarn and manufacturing method thereof

The invention discloses a superfine wool yarn and a manufacturing method thereof. The superfine wool yarn comprises 100-120Nm/2 of yarn counts, 1050-1200t/m of single twist with a twist direction of Z and 480-550t/m of plied twist with a twist direction of S. The manufacturing method comprises the process steps of wool top recombing, primary silver mixing, secondary silver mixing, quartic gilling, triple roving, spun yarn, spooling, doubling, two-for-one twisting, reeling silk, checking and the like. In the invention, raw materials of the superfine wool are selected, and the reasonable yarn counts and the twist are determined at the same time. By adopting some special measures on the spinning process and optimizing the technological parameters, the excellent and low-consumption superfine wool yarn with the yarn counts of 120Nm/2, and the yarn levelness of less than 15 percent and anti-pilling of more than or equal to the third level is successfully manufactured; and the number of the cross-section fibers of the fine yarn is only 28, which is far lower than the limit of the number of 36 in the international standard. The invention not only provides a new yarn product with excellent quality and high cost performance, but also provides a beneficial spinning method for sufficiently utilizing and reasonably developing tight wool resources.
Owner:ZHEJIANG ZHONGXIN WOOL TEXTILE
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