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47results about How to "Overcoming many processes" patented technology

Front cylinder head casting process

The invention relates to a front cylinder head casting process. The front cylinder head casting process includes the following steps that raw material inspection is conducted, wherein chemical components and the pin hole degree of raw materials are inspected; melting is conducted, wherein the raw materials are molten into liquid aluminum, and the chemical components and the mechanical performance of alloy liquid are inspected; pressure casting is conducted, wherein a front cylinder head blank is formed by the liquid aluminum through pressure casting, and the surface quality and the internal quality of a product are inspected; treatment is conducted, wherein flashes and burrs of the front cylinder head blank are removed; central hole drilling is conducted, wherein a local extruding hole is drilled through, the diameter of the hole is inspected, and whether a casting is damaged or not is inspected; shot blasting is conducted, wherein the product is hung on a hanging frame to be subjected to shot blasting, a finished product is manufactured, and whether the chromatic aberration of the finished product is consistent or not is inspected; and finished product inspection is conducted, wherein whether the finished product conforms to all indexes or not is inspected, the problems that in the prior art, a machining process is large in procedure number and large in workload are solved, and the production efficiency is improved. The raw material utilization rate is high, and the production cost is reduced. The cast finished product front cylinder head casting is environment-friendly and practical, and the labor intensity is greatly lowered.
Owner:NINGBO ZUNHANG AUTO PARTS

Novel synthetic process for hydrophobic polymeric flocculant

The invention discloses a novel synthetic process for a hydrophobic polymeric flocculant. The synthetic process comprises the following steps: sequentially dissolving methyl methacrylate, acrylamide, acrylic acid, dimethyldiallylammonium chloride, sodium hydroxide and urea in pure water, wherein the usage amount of urea is 6%; adding sodium sulfite, a foaming agent and ammonium persulfate; neutralizing acrylic acid, and carrying out uniform mixing under stirring; taking out the polymer after allowing the mixture to stand, and performing purification; subjecting the polymer to drying and performing grinding so as to obtain the hydrophobic polymeric flocculant. The synthetic process provided by the invention can successfully synthesize the hydrophobic polymeric flocculant, and has the advantages of simple process, low required raw material and labor costs, and short synthesizing time; meanwhile, the synthesized hydrophobic polymeric flocculant has excellent instant solubility and storage stability, and is free of phenomenons of thinning due to long-time preservation, microgel formation, phase separation appearing and white precipitate generation; and through the addition of urea and controlling of the usage amount of urea in the process of synthesis, flocculation effect of the synthesized hydrophobic polymeric flocculant is improved.
Owner:QINGDAO SHOUTAI AGRI SCI & TECH CO LTD

Processing technology of chicken breast meat with fresh and tender shredded meat fiber

The invention discloses a processing technology of chicken breast meat with fresh and tender shredded meat fiber. The processing technology comprises the following steps of (1) selecting chicken breast meat without skin as a main material for standby application, wherein fascia at the top of a thick end is removed, the fat content is smaller than or equal to 4%, and the product temperature is 1-4 DEG C; (2) performing single-sided tenderization once on the processed chicken breast meat by using a tenderization machine; (3) putting the tenderized chicken breast meat in a pulping machine for pulping the tenderized chicken breast meat by using the pulping machine; (4) putting fibrous chicken breast shreds in rolling and kneading liquid, and performing high-speed and uniform stirring with a vacuum rolling and kneading machine so as to obtain stirred chicken breast meat shreds; (5) allowing the stirred chicken breast meat shreds to stand for pickling for 5-9 hours under the temperature of 0-7 DEG C, and performing deep-frying for shaping; (6) quick-freezing the shaped chicken breast meat shreds, wherein the C.T. of single frozen products is lower than or equal to minus 17 DEG C; and (7) performing packaging and warehousing. The processing technology disclosed by the invention has the positive effects that shredded meat fibers are fully reserved, through tenderization and pulping, the shredded meat fibers are separated from the raw material meat namely the chicken breast meat, through rolling, kneading and pickling, the quality of the meat is improved, and the meat is tasteful; therefore, the product value is greatly increased, and the product authenticity is greatly improved.
Owner:吕艳

Wall mounting structure of assembled M-type lightgage steel joists

PendingCN110656747AOvercoming many processesOvercome shortcomings such as long working hoursCovering/liningsJoistMechanical engineering
The invention provides a wall mounting structure of assembled M-type lightgage steel joists. The wall mounting structure includes the M-type lightgage steel joists, leveling components, clamping belts, aluminum alloy vertical lines and wall panels; the bottoms of the two sides of each M-type lightgage steel joist are provided with clamping portions bent inwards; each leveling component includes abase and a leveling base arranged on the base, each base is fixed to a base layer wall, the inner side of each leveling base is clamped to the corresponding rbase, and the outer side of each levelingbase is clamped to the corresponding M-type lightgage steel joist; the two sides of each clamping belt are evenly and symmetrically provided with edge turning buckles; the leveling components are connected to the middle positions of the M-type light steel keels; the clamping belts are clamped on the two sides of each M-type lightgage steel joist, and the clamping portions and the edge turning buckles are clamped; the aluminum alloy vertical lines are fixedly connected to the M-type lightgage steel joists; and the wall panels are fixedly connected to the aluminum alloy vertical lines. Comparedwith the prior art, the wall mounting structure has the following advantages that different installation accessories can be installed in a matched manner to form an overall structural system, installation is facilitated, the installation efficiency is improved, and the construction cost is reduced; and meanwhile, the flatness of the decorative wall panels is improved.
Owner:GOLD MANTIS FINE DECORATION TECH SUZHOU CO LTD

Process for synthesizing p-bromophenol

The invention discloses a process for synthesizing p-bromophenol. The process comprises the following steps of adding a certain amount of phenol and chloroform which serves as a solvent into a four-mouthed flask which is equipped with a stirrer, a thermometer, a dropping funnel and a gas absorption device, and uniformly mixing; starting up the stirrer to start stirring, inserting the thermometer and the dropping funnel into the four-mouthed flask, completely dissolving phenol in chloroform, then controlling the external temperature of the flask to be -5 DEG C or less, starting to dropwise add bromine through the dropping funnel, controlling the dropwise adding speed so as to maintain the internal reaction temperature of the flask to be 9 DEG C or less, and carrying out stirring reaction for a period of time after the dropwise adding process is ended; heating to the temperature of 12-23 DEG C after the reaction is ended, introducing nitrogen gas to completely expel hydrogen bromide gas in the four-mouthed flask, cooling to the temperature of about 6 DEG C, putting 0.14-0.22 g of p-bromophenol crystal with the purity of higher than 99.1% into the four-mouthed flask, taking the p-bromophenol crystal as a seed crystal, starting to precipitate a crude product, stirring for 22 minutes, discharging, and carrying out depressurized suction filtration by using a Buchner funnel; and washing the crude product with chloroform, then drying, and thus obtaining the p-bromophenol product. The process has the advantages of simplicity, fewer steps, easy operation, low cost, and high product quality.
Owner:赵建英

Front cylinder casting process

The invention relates to a front cylinder casting process which comprises the following steps: raw material inspection: inspecting the chemical components and pinhole degree of the raw material; smelting: smelting the raw material into molten aluminium, and inspecting the chemical components and mechanical performance of alloy liquid; pressure casting: performing pressure casting on molten aluminium to form a front cylinder blank body, and inspecting the surface quality and internal quality of a product; trimming: removing flashes and burrs of the front cylinder blank body; thermal treatment: loading the product into a thermal treatment furnace for thermal treatment, inspecting whether parameters on recording paper meet process requirements, inspecting the hardness of the product, and transferring qualified products to the next station; shot blasting: hanging the product on a hanging bracket for shot blasting to product a finished product, and inspecting whether the chromatic aberration of the product is consistent; and finished production inspection: inspecting whether a finished product meets all indexes. The front cylinder casting process can overcome the problems of many procedures and heavy workload of processing technology of the prior art, and can improve the production efficiency; the raw material utilization rate is high, and the production cost is lowered; the cast finished product front cylinder casting is environmentally friendly and practical, and the labor intensity is reduced.
Owner:NINGBO ZUNHANG AUTO PARTS

Synthesis technology for improving yield of nanometer Y type molecular sieve

The invention discloses a synthesis technology for improving the yield of a nanometer Y type molecular sieve. The technology comprises the following steps: sequentially adding an organic template and an aluminum source to deionized water under stirring, stirring the organic template and the aluminum source until the organic template and the aluminum source are dissolved, and adding a silicon source and a sodium source; transferring the above synthesis system to a reaction kettle, sealing the reaction kettle, heating the reaction kettle to 90-130DEG C, and carrying out hydrothermal crystallization for 60-110h; separating the above obtained solid-liquid mixture to obtain a solid which is nanometer Y type molecular sieve, and reserving a mother liquor; and supplementing a proper amount of the reaction raw materials to the obtained mother liquor, continuously crystallizing the above material, and carrying out solid-liquid separation to obtain the nanometer Y type molecular sieve and the reaction mother liquor. Supplementation of the reaction raw materials, crystallization and solid-liquid separation are repeated to improve the yield of the nanometer Y type molecular sieve. The technology effectively utilizes unreacted silicon, aluminum, the organic template and other raw materials in the synthesis system, so the yield of the nanometer Y type molecular sieve is improved to 40% or above; and the particle size of the above product is 100nm or below, and the time required by every crystallization is short.
Owner:赵建英

Synthesis process for sulfurized isobutylene by vapor-phase process

The invention discloses a synthesis process for sulfurized isobutylene by a vapor-phase process. The synthesis process comprises the steps: carrying out stirring and mixing on elemental sulfur and a catalyst for 10 to 20 minutes at the temperature of 460 DEG C to 550 DEG C and the pressure of 3MPa to 5MPa, so as to obtain mixed gas-phase material flow; introducing isobutene gas to the mixed gas-phase material flow, mixing the isobutene gas with the mixed gas-phase material flow, enabling the formed gas-phase mixture to enter a reactor, carrying out a reaction for 10 to 20 minutes at the temperature of 450 DEG C to 500 DEG C and the pressure of 2MPa to 9MPa, so as to obtain a reaction product; and cooling the reaction product, then, carrying out gas-liquid separation, and filtering a liquid phase, thereby obtaining the sulfurized isobutylene product. The synthesis process disclosed by the invention has the advantages of high reaction rate, high yield, simple process, low production cost, little pollution and the like. The invention provides a synthesizer for the sulfurized isobutylene by the vapor-phase process. The synthesizer is used for implementing the synthesis process for the sulfurized isobutylene by the vapor-phase process, disclosed by the invention, is beneficial to industrial production and is high in production capacity, thereby having relatively good economic benefits and a broad application prospect.
Owner:QINGDAO SHOUTAI AGRI SCI & TECH CO LTD
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