55results about How to "Meet pollution" patented technology

The invention discloses an air energy fuel oil hybrid engine which comprises an air energy storage device, an engine air supply control device, a solenoid valve gas control system, an air energy fuel oil hybrid engine, an engine starting device, a fuel oil engine transmission device, an air supply cycle control device and a various clutch transmission output device. The invention provides an air energy fuel oil hybrid engine, and by utilizing an engine consisting of an air medium and a fuel oil engine, a compressor is driven to operate for supplying an air source by employing a fuel oil engine; and meanwhile, a load is driven to operate to form an air energy fuel oil hybrid engine, external auxiliary gas station equipment is not required to refuel, the air storage tank is small in size, the air energy fuel oil hybrid engine completely depends on a self-help power control system, the compressor is driven to cyclically supply air to the air energy engine in a reciprocating mode through the fuel oil engine, the problems of low cruising ability of the air energy fuel oil hybrid engine, low fuel oil consumption and slight environmental pollution, and the air energy fuel oil hybrid engine has wide application field in the future, can be applicable to various motor vehicles and replaces the conventional fuel oil engine with energy consumption and pollution.

The invention discloses a modified starch degradable mulching film with good light transmittance performance. The modified starch degradable mulching film is prepared from the following raw materials in parts by weight: 64-70 parts of dry basis corn starch, 23-26 parts of ethyl alcohol, 11-15 parts of monochloro acetic acid, 14-16 parts of silicon dioxide, 0.08-0.1 part of epoxy chloropropane, 0.5-1 part of ultraviolet light absorber, 4-5 parts of superfine calcium carbonate, 2-3 parts of polyoxyethylene wax, 16-20 parts of papermaking waste liquor, 0.1-0.2 part of silane coupling agent, 0.2-0.3 part of antioxygen 1010, 2-3 parts of Arabic gum, 60-80 parts of dimethylformamide, a proper quantity of 85% ethanol solution and a proper quantity of deionized water. The agricultural mulching film with the light transmittance has the advantages of simple preparation technology, good toughness, high strength, excellent light transmittance performance and good environment protection performance, meets the requirements of crops on illumination, does not damage soil and is worth popularizing.

The invention discloses a lignite drying process and system. At present, when dealing with germanium-containing lignite and recovering germanium-containing fumes, due to the characteristics of high water content and high volatile content of lignite, the raw material steam drying system used cannot fully meet the production requirements. The technology of the new lignite drying system adopted by the present invention is to use the high-temperature flue gas produced by the cyclone combustion furnace to quickly mix, crush, and dry the lignite powder with a moisture content of about 40% in the crushing airflow dryer to reach 10-12% After being taken out by the air flow, it is collected by multiple sets of cyclone dust collectors and bag filter, and then used in the cyclone combustion furnace. The controllability of the system of the present invention is relatively strong, because the fuel of the cyclone combustion furnace is provided by the dried powdered lignite in the system, and the generated germanium-containing smoke is enriched in the dried lignite for the extraction of germanium in the next step. Increased production.

The invention provides an environment-friendly friction material of a clutch, a clutch disc based on the environment-friendly friction material and a preparation method. The environment-friendly friction material comprises the following raw material components in percentage by mass: 5%-15% of dicyandiamide modified phenolic resin, 8%-18% of butyl ethylene rubber powder, 5%-10% of stainless steel fibers, 3%-15% of porous foam iron powder, 10%-20% of basalt mineral fibers, 3%-8% of ferromolybdenum alloy powder, 10%-17% of graphite, 3%-8% of metal sulfide. 3%-10% of aluminum oxide, 10%-25% of kaolin and 1-6% of manganese-aluminum compound. The clutch disc is made of the environment-friendly friction material and method, is stable in friction coefficient, low in abrasion and high in product strength, does not have the phenomena of edge falling and block falling in the operation and braking processes, does not contain materials polluting the environment in the product formula, does not pollute the environment in the preparation and use processes, and belongs to an environment-friendly clutch disc.

The invention discloses a giant salamander larval turning feed and a preparation and use method thereof. The giant salamander larva turning feed comprises, by weight, 10-90% of powdery feed and 10-90%of minced fish, wherein the powdery feed mainly comprises, by weight, 20-40% of imported fish meal, 15-30% of soybean meal, 3-10% of rapeseed meal; 5-15% of meat and bone meal, 3-8% of beer yeast, 3-8% of squid paste, 10-20% of cassava powder, 1-3% of fish oil, 1-3% of soybean oil, 0.3-1.5% of betaine, 0.5-3.0% of calcium dihydrogen phosphate, 0.5-3.0% of composite premix and 0.5-3.0% of a functional additive. The larva turning feed can improve the weight gain rate of young salamanders and reduce the bait coefficient; the immunity and oxidation resistance of the young salamanders are enhanced, the intestinal microecological environment is improved, the morbidity is reduced, and the survival rate is improved; the larva turning feed has good stability and the water body is not easy to pollute.

The invention belongs to the technical field of grinding materials and provides a formula and a preparation method of a high-resilience grinding brush. The high-resilience grinding brush is prepared from the following components in percentage by weight: 40%-50% of silica gel modified polyurethane powder, 8%-13% of diamond, 10%-20% of silicon carbide, 12%-18% of cerium oxide, 6%-13% of tin oxide, 0.3%-0.7% of a coupling agent, 0.7%-1.3% of a reinforcing agent and 5%-8% of zinc oxide. The preparation method comprises the steps of mixing, pressing molding, demolding, drying and the like.

The invention discloses a slow-release lose-control ammonium phosphate compound fertilizer and a preparation method thereof (sulfenyl diammonium phosphate) which are designed for solving the problem that the traditional fertilizer is low in use ratio. The compound fertilizer provided by the invention comprises the following components by weight percent: 1-30% of nitrogenous fertilizer, 1-50% of phosphatic fertilizer, 1-40% of sulfate fertilizer, 0.1-1.0% of compound sodium nitrophenolate, 0.1-1.0% of AD-6, 1-40% of organic matter, 1-40% of compound amino acid and 1-50% of humic acid. After the fertilizer is used, the fertilizer efficiency in the early stage is quick, the fertilizer efficiency in the medium stage is stable, and the fertilizer efficiency in the later stage is long-term. By only using the fertilizer as a base fertilizer or seed bed fertilizer for one time before ploughing and sowing, fertilizer nutrients are slowly released into the soil and the fertilizer efficiency can last for months which can meet the demand on nutrient of crops in different growth periods. The compound fertilizer is an environment-friendly fertilizer, is harmless to crops, and can be used for reducing the pollution of a chemical fertilizer on soil and underground water, reducing the content of nitrate in vegetable by 80-90%, and simultaneously increasing the contents of sugar and vitamins in vegetables and fruits.

An air energy cycle power generator comprises an air energy storage device, an engine air supply control device, an electromagnetic valve air control system, a power generation, charging, supply and storage device, a power generation and supply device, an air engine, an engine starting device, a direct current motor transmission device and an air supply cycle control device. The air energy storage device is in communication with the motor air supply control device, and the engine air supply control device comprises a pressure reduction valve assembly (6), a buffering pot (10), a gas flow control valve (13), and a gas heat exchanger (16); a gas outlet of the gas heat exchanger (16) is connected to an air inlet of an air pipe three-way joint (18) by using a gas electromagnetic main valve (17), and a gas outlet of the air pipe three-way joint (18) is separately in communication with four air inflow cavities of the engine body of the air engine (34) by using a branch cylinder gas pipeline (20); the air supply cycle control device comprises an air compressor (45), a compressor electromagnetic clutch (40), and an air pressure control sensor (4); a gas outlet of the air compressor (45) is in communication with a pipeline of the air energy storage device by using the air pressure control sensor (4); the power generation and supply device comprises an alternating current generator (36), an alternating current generator output line (41), and an electrical appliance (35), and a transmission shaft of the alternating current generator (36) is coaxially connected to a transmission chain wheel (39) disposed on the compressor electromagnetic clutch (40); and the compressor electromagnetic clutch (40) is provided with the transmission chain wheel (39), and a driven chain wheel (48), and the driven chain wheel (48) is chained to a compressor transmission chain wheel (42) on the air compressor (45); the transmission chain wheel (39) is chained to an output shaft wheel (47) of the engine body of the air engine; the direct current motor transmission device comprises a direct current motor (43), a rectifying, charging and voltage stabilizing module (50), a direct current motor program controller (49), a rectifying inverter (51), and a battery set (44); a rotating shaft of the direct current motor (43) is connected to a driven chain wheel shaft of the compressor electromagnetic clutch, the direct current motor (43) is connected to the rectifying, charging and voltage stabilizing module (50), and the rectifying inverter (51) by using the direct current motor program controller (49), and the rectifying, charging and voltage stabilizing module (50) is connected to the rectifying inverter (51) and the battery set (44).

The invention relates to a safety valve for performing overpressure protection on a pressure system, in particular to a low-pressure large-diameter spring direct-action type safety valve. A guiding sleeve is connected between a valve body and a cover plate; a bonnet is arranged on the cover plate; a positioning screw is connected to a side hole of the valve body in a valve body cavity; the valve body is connected with an adjusting ring; an O-shaped ring is inlaid in a groove formed by a valve clack and a disc holder and is fixed at the lower end of a body of the disc holder, and a formed combination is pressed on a sealing surface of the valve body through a spring; a spring and an upper spring seat are integrally positioned in a cavity formed by the disc holder, the guiding sleeve and the cover plate; the spring is directly arranged on the disc holder; an adjusting screw is arranged on the cover plate; a locking nut is arranged at the upper end of the adjusting screw; the adjusting screw conducts force to the spring through a thrust washer, a bearing and the upper spring seat, and setting pressure is adjusted; the disc holder and the sealing surface of the valve body are ground and then are in metal sealing; and the O-shaped ring and the sealing surface of the valve body are in nonmetal elastic sealing.