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104results about How to "Eliminate environmental pollution" patented technology

Anti-theft system of mobile phone

The invention discloses an anti-theft system of a mobile phone, and belongs to the technical field of telecommunication. The anti-theft system of the mobile phone comprises a primary machine and a secondary machine. The primary machine is communicated with the secondary machine through wireless electric signals. The anti-theft system of the mobile phone has the advantages that after an anti-theft device is turned on, if the mobile phone is stolen, the mobile phone can give an alarm in 1s-2s, rings all the time and is free of influences when turned on or turned off; the large alarm sound can help a user determine the position of the mobile phone; the anti-theft device has the anti-lost function, and when the user places the mobile phone at a certain place and forgets to take the mobile phone, the mobile phone can give an alarm to remind the user when the mobile phone is more than 8m away from the user; a battery lock can automatically lock the mobile phone when the mobile phone is turned on, and the battery lock can not unlock the mobile phone under the situation that fingerprints of the user do not exist, so that a thief is prevented from disassembling a battery to forcefully break off the alarm after stealing the mobile phone; due to the use of a fingerprint identification board, the anti-theft device of the mobile phone is safer and more convenient to use; in addition, the fingerprint identification board of the anti-theft device of the mobile phone can be shared with other functions of the mobile phone, and the functions of the mobile phone are added; the price of the anti-theft device of the mobile phone is only 170 RMB, and the anti-theft device of the mobile phone is excellent in quality and reasonable in price from the point of view of the cost performance.
Owner:SHENYANG JIANZHU UNIVERSITY

Method for recovering and utilizing three wastes during titanium white production through sulfuric acid process

The invention discloses a method for recovering and utilizing three wastes during titanium white production through a sulfuric acid process, which is characterized in that crystal water is removed from titanium white waste slag copperas, anhydrous titanium white waste slag is reduced and decomposed into ferrous oxide residue and sulfur dioxide gas by reducing agents in weak oxidization mixing atmosphere at high temperature, sulfuric acid prepared by sulfur dioxide gas returns the acidolysis work procedure in the titanium white production process, the decomposed ferrous oxide residue is directly used for neutralizing the 10 to 25 weight percent waste sulfuric acid generated in the titanium white production process, excessive ferrous oxide residues can be used as raw materials for producingferric oxide series pigments and for steel plants, crystal water is removed from titanium white waste slag red gypsum, semihydrated gypsum is obtained, the semihydrated gypsum is reduced and decomposed into calcium oxide residue and sulfur dioxide gas by reducing agents in weak oxidization mixing atmosphere at high temperature, the sulfur dioxide gas can be used for preparing sulfuric acid, ferrous waste water and 0.1 to 10 percent waste sulfuric acid are neutralized by calcium oxide residues or quick lime, ferrous red gypsum is obtained through filtering, and the filter liquid can be reused.
Owner:SICHUAN UNIV

Secondary roasting furnace for carbon products and roasting method of secondary roasting furnace

The invention discloses a roasting furnace, and particularly relates to a secondary roasting furnace for carbon products. The secondary roasting furnace is structurally characterized in that two rows of furnace chambers are symmetrically arranged on two sides of a furnace central line in a furnace body, each row of furnace chambers consists of a plurality of single chamber bodies, each single furnace chamber body is divided into n-1 material tanks by n flame paths, each material tank comprises flame path walls on two sides, transverse walls at two ends and a material tank bottom, a light heat-insulation furnace cover for sealing is arranged on the top of each material tank, volatile matter balancing channels are arranged on upper portions of the flame path walls, volatile matter flowing channels are arranged on upper portions of the transverse walls, ends of the two rows of furnace chambers are connected by communicating flame paths, volatile matter flowing control gate discs are inserted into the volatile matter flowing channels from tops of the transverse walls, smoke vents are disposed on upper surfaces of the transverse walls and communicated with smoke discharge devices, the smoke discharge devices are communicated with a main smoke flue, and flame path gate discs are arranged among the flame path walls of the adjacent single furnace chamber bodies. Asphalt volatile matters generated during roasting are guided to the high-temperature flame paths to be completed burned, and environmental pollution due to the fact that asphalt smoke is discharged into the atmosphere is thoroughly eliminated.
Owner:SHENYANG ALUMINIUM MAGNESIUM INSTITUTE

Environment-friendly comprehensive treatment method for household garbage and waste oil and fat

The invention discloses an environment-friendly comprehensive treatment method for household garbage and waste oil and fat. The method comprises the following steps of: (1) sorting the household garbage, breaking the household garbage into garbage particles through a breaking machine, and conveying the garbage particles to a feeding hopper through a spiral transmitting machine; (2) carrying out the procedures of pre-heating, drying and dry distillation on the garbage particles to obtain charcoal through a sealed spiral conveying machine; (3) separating part of waste oil and fat into two parts through an oil and water separating system, and burning one part of waste oil and fat as fuel through a hot blast stove so as to perform drying and dry distillation on the garbage and convert the garbage into charcoal; and (4) treating the other part of wastewater through a biochemical wastewater treatment system, and discharging the processed wastewater reaching the standard. The comprehensive treatment method disclosed by the invention is a hazard-free, reducing and recycling technology for the household garbage, is free from pollution in processing, low in cost, good in practicability and high in operability, and has remarkable social and economic benefits.
Owner:陈丰

Magnetron sputtering rose gold target material and preparation method thereof

The invention relates to a magnetic control spattering rose gold target and a preparation method thereof, which is characterized in that the components of the rose gold target by weight percent are as follows: 65 weight percent to 78 weight percent of gold, 16 weight percent to 33 weight percent of copper, 0.01 weight percent to 4 weight percent of yttrium, 1 weight percent to 7 weight percent of zinc, 0.001 weight percent to 1.2 weight percent of cobalt, 0.001 weight percent to 0.2 weight percent of stibium and 0.02 weight percent to 5 weight percent of indium. The preparation method comprises the following steps: the copper and the cobalt are heated and melted, the yttrium, the zinc, the stibium and the indium are added into the melted cooper and cobalt, to be refined for 3min under 1400 DEG C to 1450 DEG C, and the intermediate alloy material is obtained after conventional surface milling, rolling and shearing; the gold is heated and melted, and the prepared intermediate alloy material is added into the melted gold to be refined for 5min under 1200 DEG C to 1300 DEG C; the magnetic control spattering rose gold target prepared by the invention can eliminate the environment pollutin and product oxidability caused by a galvanic plating process, has stable performance and extremely good decoration effect.
Owner:沈阳东创贵金属材料有限公司

Environmental-protection and energy-conversion type diaphragm electrolysis device

The invention relates to an environmental-protection and energy-conversion type diaphragm electrolysis device. The device comprises an electrolytic bath, cathode plates and anode plates, wherein the cathode plates and the anode plates are accommodated in the electrolytic bath; the device further comprises an acid mist catching device; the acid mist catching device comprises an acid mist absorption tower, a water pump and an exhaust fan; diaphragm frame sets are arranged between the cathode plates and the anode plates; acid mist collecting holes are formed in the two sides of the upper parts of the diaphragm frame sets, and form acid mist catching channels; acid mist generated on anode is caught through the exhaust fan; tower plates are arranged in the acid mist absorption tower; and the middle between the bottom end and the upper end of one side of the acid mist absorption tower is connected with the water pump to form water circulation. The environmental protection and energy conversion type diaphragm electrolysis device has the following benefits: the diaphragm frame sets are arranged to realize overall sealing of an anode room; the acid mist on the anode is effectively collected to eliminate the pollution; meanwhile, a forced catholyte circulating device realizes forced catholyte circulation to realize the purposes of eliminating the concentration polarization and improving the cathode current efficiency so as to reduce the electric consumption; and the device realizes the outer circulating cooling of the electrolytic bath, improves the cooling efficiency, and achieves the purposes of reducing the energy consumption and decreasing the cost.
Owner:HANGZHOU SANAL ENVIRONMENTAL TECH

Wastewater zero discharge method in manufacturing process of island superfine fiber synthetic leather

The invention discloses a wastewater zero discharge method in a manufacturing process of island superfine fiber synthetic leather. The method comprises the following steps: merging an alkali-minimization wastewater and a dyeing wastewater into a wastewater regulating reservoir, or merging the alkali-minimization wastewater into the wastewater regulating reservoir; adding acid to the wastewater regulating reservoir to form a solid matter; transferring the wastewater after the solid matter is cleaned into a turntable solid-liquid separator; adding a polyacrylamide flocculant and a polyaluminium chloride flocculant; evaporating the solid matter and the sludge obtained by solid-liquid separation in an evaporation tank, and simultaneously collecting distilled water in a condensation manner; transferring the wastewater from solid-liquid separation into a multi-effect evaporator to evaporate, and collecting distilled water by condensation; merging the residual residue in the evaporator into a sludge concentrating tank to continue to process. The production of the island superfine fiber synthetic leather is taken as a basic system, and is combined with collection, treatment and comprehensive utilization technologies of the production wastewater and the solid matter, the technical bottlenecks of wastewater zero discharge in the production process is solved, and the island superfine fiber synthetic leather which is friendly to environment and high in quality can be produced.
Owner:FUJIAN KELISHENG SUPERFINE FIBER

Method for producing two-layer transfer coating leather by aqueous polyurethane dry-method transfer coating process

The invention discloses a method for producing two-layer transfer coating leather by aqueous polyurethane dry-method transfer coating process. The method comprises the following steps of: firstly coating a bottom-closing foamed coating material on the surface of the split leather by use of a roll coating machine in leather production, and drying and then ironing by use of a drum-type ironing machine to form a bottom-closing foamed coating; then blade coating a top coating material and an adhesive coating material on release paper by use of a dry-method production line in synthetic leather production process; and finally, bonding the split leather with the bottom-closing foamed coating and the release paper with the adhesive coating, drying in a drying channel, cooling, separating, and transferring the coatings on the release paper onto the bottom-closing foamed coating, to obtain the two-layer transfer coating leather. The method produces the two-layer transfer coating leather by aqueous polyurethane dry-method transfer coating process and replaces the solvent-type polyurethane production system by the aqueous polyurethane production system, so as to eliminate pollution caused by solvents and solve the problem of MDF residues in the two-layer transfer coating leather. Besides, the method can enhance water permeability and vapor permeability of the coatings and improve health performance of the two-layer transfer coating leather final product.
Owner:SHAANXI UNIV OF SCI & TECH

Method for applying diamond wire to mortar square cutting device

The invention relates to a method for crystalline silicon square cutting, in particular to a method for applying a diamond wire to a mortar square cutting device, which adopts a photoelectric sensor to monitor the diameter of a diamond wire wheel in real time and feed back to a computer control system. During square cutting, the correction time is regarded as a control point of the shutdown detection time, namely, at every interval of the correction time, a machine is shut down and the diameter of the wire wheel recorded by the photoelectric sensor is manually input to a system display value, then a program is recovered, cutting continues, and the operation is repeated until the cutting process is finished. The control system of the device makes corresponding adjustments on rotation speed of the wire wheel and enables the wire speed to approach to regulated speed so that real-time deviation rectification during the diamond wire square cutting process is achieved. Due to the fact that the operational steps of monitoring the diameter of the wire wheel in real time, shutting down the machine to input the monitored actual diameter to the system of the device and the like are added, breakage of steel wires during the diamond wire square cutting process is effectively avoided, processing quality of single crystal and polycrystal square rods is improved, and meanwhile the problem of environmental pollution caused by mortar cutting is resolved.
Owner:INNER MONGOLIA ZHONGHUAN SOLAR MATERIAL

Lead connection device and connection method

The invention discloses a lead connection device and connection method. The lead connection device comprises a power source, a top electrode, a bottom electrode, a switch and a metal wrapping piece. The top electrode is connected with the power source and can move vertically. The bottom electrode is located below the top electrode and connected with the power source. The switch is arranged on a circuit where the top electrode is connected with the power source or on a circuit where the bottom electrode is connected with the power source. The metal wrapping piece is an annular piece provided with a notch, the metal wrapping piece is arranged between the top electrode and the bottom electrode so that the power source, the top electrode, the bottom electrode and the metal wrapping piece can form a current loop, and the top electrode drives the metal wrapping piece to deform when moving vertically so that the upper end and the lower end of the notch can make contact with each other. The lead connection device can greatly reduce labor cost and labor intensity of operation staff, greatly improve production efficiency, eliminate potential quality hazards such as faulty soldering and fusion welding incompletion caused by human factors in the prior art, and avoid environmental pollution caused by burn-in.
Owner:GUANGDONG MEIZHI PRECISION MFG

Vibration self-generating indicator lamp

The invention provides a vibration self-generating indicator lamp, which is a small, closed and independent self-generating lighting device. The specific structure is as follows: a housing is a cylindrical cavity shell with an opening in one end; the opening of the housing is covered with a fixed partition plate; a coil skeleton is a hollow cylinder; a groove for winding a coil is formed in the outer side wall of the hollow cylinder around the circumferential direction of the cylinder; a magnet is a steel and magnetized cylindrical permanent magnet; the coil skeleton is coaxially arranged in a cylindrical cavity of the housing and is located between the inner bottom surface of the housing and the fixed partition plate; the magnet is arranged at the hollow part of the coil skeleton; two ends of the magnet are fixedly connected with the inner bottom surface of the housing and the fixed partition plate through springs respectively; the coil is wound into the groove in the outer side wall of the coil skeleton; two ends of the coil are connected with a circuit board through wires; the circuit board completes the functions of rectification and electric energy storage; the stored electric energy is input into a rechargeable battery to drive a light-emitting diode to emit light; and the light-emitting diode is arranged outside the fixed partition plate.
Owner:罗瑞琪

Coal-based gas dreg light-weight micro-pore concrete composite sheet material and preparation method thereof

The invention provides a coal-based gas dreg light-weight micro-pore concrete composite sheet material and a preparation method thereof. The composite sheet material is formed by compounding a decorative mortar surface layer and a light-weight micro-pore concrete heat-preservation layer; coal-based gas dreg discharged in an industrialized process is taken as light-weight aggregate, has good heat-preservation performance, light weight, heat insulation performance and high specific strength, is wholly made from inorganic materials, and has the characteristics of nonflammable property and good durability; the defects that a heat preservation system of current frequently-used sheet materials, such as polystyrene plates, is flammable, the outer decoration easily forms swelling and falls and the service life is extremely lower than that of a building are overcome; and more importantly, industrial waste dreg is recycled so that the cost of the sheet material is extremely reduced, dual benefits of eliminating environment pollution and saving building energy are realized, non-renewable natural building material resources are protected, and the sheet material has real and long-lasting meanings on national economy and livelihood of people.
Owner:CHINA STATE CONSTRUCTION ENGINEERING CORPORATION
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