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106results about How to "Improve the quality level" patented technology

Concrete production system and production method thereof

The invention discloses a concrete production system and a production method thereof. The concrete production system comprises a sand feeding device, a cement feeding device, a gravel feeding device,a sand-cement mixing device, a gravel screening spiral material guide groove, a sand-cement-gravel mixing device and a concrete mixer; the sand feeding device can supply raw material sand required byconcrete to the sand-cement mixing device, the cement feeding device can supply raw material cement required by the concrete to the sand-cement mixing device, and the sand-cement mixing device can mixthe supplied sand with the supplied cement; and the gravel feeding device can be used for screening raw material gravel required by the concrete through the gravel screening spiral material guide groove and then supplying the gravel to the sand-cement-gravel mixing device, the sand-cement-gravel mixing device can be used for mixing the mixed sand and cement with the gravel, and then the mixture is stirred by the concrete mixer to form the concrete. According to the concrete production system and the production method thereof, the mixing uniformity of all the raw materials required by the concrete is ensured, and the quality grade of the concrete is improved.
Owner:江西信源建材科技集团有限公司

SSR (Single Sequence Repeats) marker interlocked with high-quality cotton fibre material 0-153 high-strength fibre major-effect genes

The invention discloses an SSR (Single Sequence Repeats) marker interlocked with high-quality cotton fibre material 0-153 high-strength fibre major-effect gene points, namely qFS-1-1, qFS-1-2, qFS-1-3, qFS-1-4, qFS-1-5, qFS-9-1, qFS-9-2 and qFS-2-1, wherein qFS-1-1, qFS-1-2, qFS-1-3, qFS-1-4 and qFS-1-5 are positioned on c25 chromosomes, qFS-9-1 and qFS-9-2 are positioned on c7 chromosomes, qFS-2-1 is positioned on a c13 chromosome, the marker interlocked with the qFS-1-1 is Gh478350, the marker interlocked with the qFS-1-2 is DPL0387220, HAU892170 and DC40429190, the marker interlocked withthe qFS-1-3 is COT012140, the marker interlocked with the qFS-1-4 is SHIN-1131240, PGML00463450, Gh537190 and PGML00463250, the marker interlocked with the qFS-1-5 is HAU916150, CGR5201200 and CGR564385, the marker interlocked with the qFS-9-1 is CGR5001245, the marker interlocked with the qFS-9-2 is HAU1693150, and the marker interlocked with the qFS-2-1 is SHIN-1452115 and PGML00353240. By utilizing the SSR markers interlocked with the cotton high-strength fibre major-effect genes to carry out auxiliary selection, the efficiency of the cotton fibre quality breeding can be greatly improved.
Owner:INST OF COTTON RES CHINESE ACAD OF AGRI SCI

Online full-automatic tempering equipment and technology for same-furnace multi-strip bimetal strip saw

The invention discloses online full-automatic tempering equipment and technology for a same-furnace multi-strip bimetal strip saw, and relates to tempering equipment and tempering technology. The invention solves the problems that the conventional tempering equipment and technology for the bimetal strip saw cannot finish the tempering technology on one production line at one time, the tempering technology has low production efficiency and high energy consumption and the like. The tempering equipment comprises a front rotating device, a box-type tempering furnace and a rear rotating device. The production efficiency of the saw is improved by 5 to 8 times, the energy consumption is greatly reduced, a great amount of energy is saved, the energy consumption of the box-type tempering furnace is reduced by over 60 percent compared with that of a bell-type tempering furnace or a well-type tempering furnace due to calculation, the occupancy area is reduced by over 90 percent, the problems that the bell-type tempering furnace or the well-type tempering furnace has non-uniform inner and outer temperature field and upper and lower temperature field, the bending stress of the saw is non-uniform, and the saw is easily upwarped are solved, repeated rewinding processes needed by the box-type tempering furnace or the well-type tempering furnace are canceled, and the problem of difficulty in controlling the saw tempering technology and quality and the problem of difficulty in maintaining the equipment are solved.
Owner:曹玉贵

Method for cleaning circulation tailings generated in polycrystalline-silicon ingot-casting half-melting technology

InactiveCN106115715AReduce manufacturing costIncreased furnace capacitySilicon compoundsQuality levelImpurity
The invention discloses a method for cleaning circulation tailings generated in the polycrystalline-silicon ingot-casting half-melting technology, and relates to the solar silicon material cleaning technology. The method includes the following steps that a, impurities with which the surfaces of the tailings are covered are cleanly removed with compressed air; b, soaking is carried out with cleaning liquid, wherein hydrofluoric acid, hydrogen peroxide and pure water are prepared into the cleaning liquid; c, after impurities in tailing gaps are cleaned and removed, the surface covered substances are washed down with pure water; d, cleaning is carried out with acid mixed liquid, wherein nitric acid and electronic-grade hydrofluoric acid are prepared into the acid mixed liquid, acid cleaning is carried out, and then rinsing is carried out with pure water; e, ultrasonic cleaning is carried out, wherein dirt in the surfaces, dirt in silicon material gaps and acid liquid residues are cleaned and removed, and clean tailings are obtained. The method has the advantages that according to preparing of different kinds of acid liquid and multiple-time cleaning, waste cutting liquid and impurities generated in the on-line cutting process in the circulation tailing gaps in the ingot-casting half-melting technology are thoroughly removed, the quality level of the half-melting tailings is improved, the ingot-casting production cost is reduced, the furnace putting quantities of the circulation materials are increased accordingly, and the aims of reducing the cost and improving the efficiency are achieved.
Owner:HENAN SHENGDA PHOTOVOLTAIC TECH CO LTD

Agricultural product screening and weighing system

The invention discloses an agricultural product screening and weighing system which comprises a sorting device, an opening device, weighing-conveying belts, a packaging box conveying roller bed, a protective cover and a console, wherein the sorting device mainly comprises a screening body; the screening body is composed of lateral plates, a bottom tray and a screening plate which are supported bya bracket; through the vibrating action of vibrating motors fixed on two sides of the screening body, hazelnuts are subjected to three-stage impurity removal and classification by utilizing the natural slope of the screening plate and by adopting the vibrating screening principle; defective hazelnuts obtained from the classification and screening process are boxed and collected through a first discharging port; second-stage non-defective products are loaded into packaging boxes through a second-stage discharging port; through a lateral non-defective product weighing-conveying belt, the second-stage non-defective products are conveyed to a discharging roller bed for quantitative packaging after being weighed; finally-sorted high-quality hazelnuts reach the opening mechanism through an end-part discharging hopper and are opened under the squeezing action of a motor connecting rod; finally, the high-quality hazelnuts are loaded into the packaging boxes; and through a lateral high-qualityproduct weighing-conveying belt, the high-quality hazelnuts are conveyed to the discharging roller bed for quantitative packaging after being weighed. The integrated flow operation of impurity removal, screening, opening, weighing and packaging is achieved.
Owner:董昊

Compound microbial fertilizer for preventing continuous cropping of ginseng and preparation method thereof

The invention discloses a compound microbial fertilizer for preventing continuous cropping of ginseng. The fertilizer comprises an organic fertilizer, an inorganic fertilizer and compound functional bacteria, wherein the organic fertilizer comprises Chinese medicine residues, humic acid, diatomite, pelelith, bentonite, zeolite, charcoal, grain byproducts, sugar, enzyme microorganisms and water; the grain byproducts are bran or rice bran; the inorganic fertilizer comprises potassium nitrate, urea, potassium dihydrogen phosphate, potassium sulfate and potassium fulvic acid; the compound functional bacteria comprise acinetobacter, variovorax, streptomycetes and trichoderma sp. The compound microbial fertilizer is an organic, inorganic and biological ternary compound fertilizer. The fertilizeralso contains biological stimulin such as humic acid and fulvic acid and trace elements in natural mineral sources. The fertilizer for ginseng production has the effects of promoting growth and development, improving output and reducing diseases, can prevent influence of auto-toxic matters caused by allelochemicals secreted by ginseng root systems, and prevents continuous cropping of ginseng favorably.
Owner:SHENGTAI BIOENG CO LTD OF JILIN WANTONG PHARMACY GRP CO

Method for cleaning debris in monocrystal silicon wire-cut electrical discharge machining

A method for cleaning debris in monocrystal silicon wire-cut electrical discharge machining relates to solar silicon washing techniques and comprises the following sequential steps: a, charging debris into a cleaning basket of pp, and soaking in HF (hydrofluoric acid); b, adding KOH into a cleaning tank, placing the basket holding the debris from monocrystal silicon wire-cut electrical discharge machining into an alkaline solution, stirring and cleaning with a polytetrafluoroethylene rod, and rinsing with purified water; c, preparing mixed liquid with HCL, HF and purified water, placing the basket holding the debris from monocrystal silicon wire-cut electrical discharge machining into the mixed liquid, stirring, cleaning and rinsing; d, adding purified water, heating to 40-50 DEG C, ultrasonically cleaning, transferring to a cleaning liquid, drying to obtain circulation tailing meeting the standard for ingot casting. The method has the advantages that for the debris from monocrystal silicon wire-cut electrical discharge machining, cutting waste liquid residue and metal impurity produced during cutting procedure are thoroughly removed by blending different chemical reagents via multiple cleaning, quality level of monocrystal debris is increased, ingot production cost is reduced, and feedable quantity of fragmented silicon is increased so that cost reduction and efficiency increasing are achieved.
Owner:HENAN SHENGDA PHOTOVOLTAIC TECH CO LTD

Single-circuit snap action temperature controller synchronization test method

The invention discloses a single-circuit snap action temperature controller synchronization test method, which comprises synchronization test equipment and synchronization test procedures. The synchronization test method uses the synchronization test equipment, and carries out a synchronization test on a tested product according to the synchronization test procedures. The synchronization test equipment comprises a test frame, a test box, a temperature control device, PLC processor, a touch display screen, an electric signal line, an acoustic signal line and a tested product. The test method comprises an initial state, a temperature control state, a dynamic state, signal acquisition, time-differential comparison and a test result. According to the invention, the closed test box is designed, time difference analysis is carried out on circuit signals and acoustic signals, the signal reception time difference is quantified by using a time-differential device, and a synchronization characteristic of a temperature controller is accurately judged; the labor intensity is reduced, and the level of the product quality is improved; and indexes required by a customer are ensured to be reached through voluntarily adjusting the judgment time difference standard, and rising in product defective rate caused by overhigh synchronization standards is avoided at the same time.
Owner:LIGHTCOUNTRY CHANGSHU
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