Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

74results about How to "Recycling is possible" patented technology

Processing technology of waste oil-based mud and oil-based drilling cuttings

The invention relates to a processing technology of waste oil-based mud and oil-based drilling cuttings, in particular to a technology for manufacturing base mud and oil-based mud through the waste oil-based mud and the oil-based drilling cuttings. The technology comprises the steps of 1, collecting the waste oil-based mud and the oil-based drilling cuttings, 2, utilizing equipment for carrying out separation processing on solid phases of the waste oil-based mud and solid phases of the oil-based drilling cuttings, 3, carrying out grinding processing on the waste oil-based mud and the oil-based drilling cuttings after large-particle sold phases are removed, 4, manufacturing the ground waste oil-based mud and the ground oil-based drilling cuttings into the base mud and the oil-based mud, and 5, carrying out up-to-standard release processing on the large-particle sold phases obtained after separation. According to the technology, reclamation and innocent processing can be carried out on the waste oil-based mud and the oil-based drilling cuttings, and the solid phases in the original waste mud and the oil-based drilling cuttings are ground and then are manufactured into the base mud and the oil-based mud, and then are recycled. Secondary pollution hardly exists, and equipment investment and operation cost are low. The technology has the obvious environment benefits, social benefits and economic benefits.
Owner:SOUTHWEST PETROLEUM UNIV

Production process of polyester FDY multi-roll oil-free full-draft fibers

The invention discloses a production process of polyester FDY multi-roll oil-free full-draft fibers. The production process includes the following steps that polymerization is conducted in a final polymerization autoclave, raw materials are then processed by means of a melt conveying pump, a melt distributor and a melt booster pump in sequence, the obtained melt is conveyed and then processed by means of a melt cooler, a static mixer, a melt distribution valve and a spinning box in sequence, then the melt is extruded in a metering pump and processed by means of a spinning assembly, fiber cooling and molding is conducted, then semi-finished fibers are processed by means of a U-shaped ceramic piece, a secondary network, a spinning channel, a first additional U-shaped ceramic piece1, a second U-shaped ceramic piece 2, a first silk guide roller, a first-level hot pulling roller, a second-level hot pulling roller, a third-level hot pulling roller and a heat-setting hot roller in sequence, a lubricating nipple is used for oiling, and the obtained fibers are processed by means of a second silk guide roller, a primary network, a third silk guide roller and a guide wheel and subjected to coiling, doffing, quality testing and packaging. According to the production process of the polyester FDY multi-roll oil-free full-draft fibers, the product quality is improved, the running environment of equipment and the working environment of workers in a FDY production place are optimized, yarn path operation is simplified, and energy conservation and high efficiency are achieved.
Owner:TONGKUN GRP ZHEJIANG HENGTONG CHEM FIBER

Recycling and treatment method for waste printing nickel screen

The invention discloses a recycling and treatment method for a waste printing nickel screen. The recycling and treatment method comprises the following steps: shearing the waste printing nickel screeninto fragments; after immersing the fragments in an acidic solution, taking out the fragments and putting the fragments into a micro-bubble nickel dissolving kettle containing an inorganic acid watersolution; stirring and introducing air or oxygen into the micro-bubble nickel dissolving kettle; emulsifying separated liquid through a circulating pump, a liquid-gas spraying pump and a baffling plate in sequence, and returning emulsified liquid back into the micro-bubble nickel dissolving kettle to form the circulation of the solution in the micro-bubble nickel dissolving kettle; carrying out micro-bubble leaching reaction; and after reaction is finished, carrying out filtering, pre-cooling, freezing and crystallization, solid-liquid separation and drying in sequence to obtain a nickel saltproduct. According to the recycling and treatment method, the separation of a nickel screen and a surface thin film of the waste printing nickel screen is realized through a micro-bubble nickel dissolving technology; meanwhile, high-quality nickel is recycled; in a whole system, waste residues, wastewater, waste gas and the like are not generated; and the metal recycling rate is high, the treatment cost is low and the environment-friendly meaning is obvious.
Owner:浙江科菲科技股份有限公司

Method for separating components such as iron, zinc and silicon dioxide from lead and zinc smelting water quenching slag

The invention discloses a method for separating components such as iron, zinc and silicon dioxide from lead and zinc smelting water quenching slag. The method comprises the steps that the water quenching slag and sulfuric acid are simultaneously delivered to a stirrer through a tool; after even mixing is conducted, the acidity is measured, after the expected acidity is reached, mixed liquor is conveyed to a filter, and filtrate and filter residue are separated; the filtrate is delivered into a liquid accumulator, after natural gelling is achieved, acid pickling, EDTA and water washing are sequentially conducted, then silica gel is delivered to a drying tower, and silicon dioxide is obtained; and the filter residue and nitric acid are delivered to a reactor, after full reaction is conducted, sodium hydroxide is added, a mixed solution is delivered into a neutralization tank, the pH value is adjusted to be about 3.2 and 10, then ferric hydroxide slurry and zinc hydroxide slurry are sequentially obtained, the ferric hydroxide slurry and the zinc hydroxide slurry are respectively delivered to the drying tower through a delivery pump, and thus iron trioxide and zinc oxide are obtained.According to the method, the water quenching slag resources are effectively recovered, comprehensive utilization of water quenching slag recovery enterprises is achieved, and the problem that water quenching slag is difficult to treat in the industry is solved.
Owner:XIANGTAN UNIV

Regenerative braking energy recovery system of hydraulically-driven automobile

A regenerative braking energy recovery system of a hydraulically-driven automobile is characterized in that each wheel half axle of the automobile is provided with a secondary element pump / motor, andthe wheel half axles are connected with the secondary element pumps / motors through electromagnetic clutches; a torque sensor and a rotating speed sensor are installed on each wheel half axle; each secondary element pump / motor is connected with a hydraulic oil cylinder; each secondary element pump / motor is connected with a high-pressure energy accumulator through a second two-position two-way electromagnetic reversing valve; a pilot pressure control valve and a pressure sensor are connected with the oil outlet of each high-pressure energy accumulator, and each high-pressure energy accumulator is controlled to be connected and disconnected through the pilot pressure control valve; the secondary element pump / motor is connected with a hydraulic master pump through a first two-position two-wayelectromagnetic reversing valve; the hydraulic master pump is connected with the hydraulic oil cylinders through hydraulic pipelines; and the hydraulic master cylinder is sequentially connected with areduction gearbox, a clutch and an engine. All components are connected with a controller. The hydraulic regenerative braking recovery system is applied to an internal combustion engine passenger vehicle, so the complexity of the transmission structure of a traditional internal combustion locomotive is reduced.
Owner:ZHEJIANG UNIV OF TECH

Device and method for electrolytically treating mirabilite by utilizing bipolar membrane electrodialysis equipment

The invention belongs to the technical field of solid waste treatment processes, and particularly relates to a device and a method for electrolytically treating mirabilite by utilizing bipolar membrane electrodialysis equipment. The device comprises a dissolving tank, a settling tank, a first delivery pump, a second delivery pump, a third delivery pump, an ion exchange resin device and bipolar membrane electrodialysis equipment. The method for treating mirabilite comprises the following steps: mixing mirabilite and soft water in a dissolving tank, and standing in a settling tank to settle impurities such as silt and the like in the mirabilite solution; feeding into an ion exchange resin device, and intercepting calcium, magnesium, zinc and other ions in the solution; feeding the filtrate into a salt chamber in bipolar membrane electrodialysis equipment, respectively adding water with the same volume as the filtrate into the acid chamber and the alkali chamber of the bipolar membrane electrodialysis equipment, and starting the electrolyzing of the bipolar membrane electrodialysis equipment; and when the electric conductivity of the filtrate in the salt chamber of the bipolar membrane electrodialysis equipment is less than or equal to 20 mS/cm, completing the sodium sulfate treatment of the filtrate in the salt chamber to achieve the emission standard.
Owner:阿拉尔市中泰纺织科技有限公司 +1

Integral leaching detoxication and landfill treatment method of chromium slag

InactiveCN102755985ARecycling is possibleRemove the risk of pollutionSolid waste disposalPregnant leach solutionSlag
The invention discloses an integral leaching detoxication and landfill treatment method of chromium slag. The method comprises the steps of: 1) creating a detoxication pool on the ground: arranging an impermeable layer on the wall surface of a landfill pool, and arranging a flow guide system for guiding the flow outwards in the detoxication pool; 2) conveying the chromium slag to be treated in the detoxication pool, adding water in the detoxication pool, enabling the chromium slag to leach out hexavalent chromium and/or compound hexavalent chromium in the water, and the added water becomes lixivium; 3) recycling the lixivium through the flow guide system, adding water in the detoxication pool to perform circular percolation until the chromium slag is soaked for 5 months, adding alkali sulfide in the detoxication pool to reduce the hexavalent chromium if the content of the hexavalent chromium in the lixivium is not larger than 0.5-1g/L, and executing the detoxication reaction; and 4) burying and closing the detoxication pool after the detoxication treatment. The method disclosed by the invention treats the chromium slag through the integral leaching detoxication and landfill treatment technology, so that the method is an efficient chromium slag treatment having no secondary pollution and capable of really recycling the chromium resource.
Owner:LIAONING SING HORN GROUP CO LTD

Lubricating and oiling equipment for mechanical equipment parts

The invention provides lubricating and oiling equipment for mechanical equipment parts. The lubricating and oiling equipment is novel in structural design. Comprising a barrel body, a barrel cover covers the upper end of the barrel body, a pump head is vertically fixed to one side of the upper portion of the barrel cover through bolts, an oil gun is inserted into the end, away from the pump head, of a high-pressure oil pipe, an L-shaped scraper is horizontally welded to the lower portion of one side of a tooth column, and a strip-shaped through groove is vertically formed in the side, away from a gear, of the L-shaped scraper in the length direction of the L-shaped scraper. By means of the oil gun containing frame, attached grease can be effectively scraped and reused, the phenomenon that the grease is attached to the barrel wall for a long time and goes bad and expires is avoided, the oil gun containing frame is used for containing the oil gun, the oil gun containing frame is used for containing the oil gun, and the oil gun containing frame is convenient to use. The operation habit of people is met, the scraper is separated from the surface of the L-shaped scraper when ascending, and the situation that grease is scraped back to the upper end of the L-shaped scraper when the scraper moves upwards is avoided.
Owner:安徽耀达电机股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products