1233results about How to "Environmental protection" patented technology

The invention discloses a method for recycling nickel, cobalt and manganese synchronously from a sulfuric acid leaching solution containing waste residues of nickel, cobalt and manganese. The method comprises the steps of firstly, removing iron and aluminum from the leaching solution through an oxidation and precipitation method; then, removing the element copper through extraction; then, extracting zinc; and finally, extracting nickel, cobalt and manganese synchronously with tributyl phosphate and saponified neodecanoic acid. By means of the method, nickel, cobalt and manganese in the leaching solution containing the waste residues of nickel, cobalt and manganese can be extracted and recycled synchronously; calcium and magnesium in a raw solution cannot exert an influence on the extraction process; separation cost for recycling the elements nickel, cobalt and manganese separately is lowered; and raw material cost for preparing a nickel-cobalt-manganese-salt ternary battery material is lowered.

The invention discloses a vehicle intelligent lock, an intelligent key and a starting method. The vehicle intelligent lock comprises a vehicle-mounted part and an intelligent key, wherein the vehicle-mounted part also comprises a coil powered by a power supply; and the intelligent key also comprises a low-frequency induction module, and the low-frequency induction module can produce induced current when being positioned in the induction range of the coil, so that the current can be supplied to a controller and a radio-frequency module to transmit radio-frequency signals. By adding the coil powered by a power supply into the vehicle-mounted part of the vehicle intelligent lock and adding the low-frequency induction module which can supply the produced induction current to the controller and the radio-frequency module when being positioned in the induction range of the coil to the intelligent key part of the vehicle intelligent lock, the invention realizes that the intelligent key part can realize the power supply to the radio-frequency module by means of induction current so as to transmit radio-frequency signals and verify the vehicle-mounted part without using the power supplied by the original power supply.

The invention relates to a water-based zinc-manganese single flow battery; a positive electrode active material is an oxide of manganese, a metal composite oxide, a metal oxide or a carbon material, a negative electrode is a zinc electrode, an electrolyte solution is a nearly neutral aqueous solution containing a zinc salt and a manganese salt, positive electrode active ions and negative electrode active ions can coexist in one electrolyte solution, and an ion exchange membrane is not required for separating the positive electrode and the negative electrode; in processes of charging and discharging, the electrolyte solution constantly flows between an electrolyte solution storage tank and an electric pile through a pipeline under pushing of a liquid pump. During charging, zinc ions are deposited onto a negative electrode current collector from the electrolyte solution, the zinc ions and manganese ions are co-embedded into the positive electrode active substance at the same time, and the manganese ions are subjected to oxidation deposition; during discharging, the negative electrode deposited zinc is dissolved into the electrolyte solution, and the positive electrode manganese oxide is partially reduced and dissolved and is extricated to the electrolyte solution with the zinc ions simultaneously. The battery has the outstanding characteristics of simple manufacture, relatively high specific energy and specific power, low cost, long cycle life, environmental friendly and the like, and is widely applied in electric power, transportation, electronics and other fields.

The invention discloses a methanol gasoline and a preparation method thereof, relating to the field of new energy. The methanol gasoline comprises 15-30wt% of methanol, 67-83wt% of gasoline and 2-3wt% of additive. The preparation method comprises the following steps: pouring solubilizer, energy increasing and consumption reducing agent, anti-oxidant, metal corrosion inhibitor, rubber swelling inhibitor into a reaction vessel according to a required proportion with stirring, mixing uniformly to obtain an additive; mixing the additive with methanol according to a required proportion to obtain modified methanol; and mixing the modified methanol with gasoline according to a required proportion to obtain the methanol gasoline. The methanol gasoline disclosed in the invention has the advantagesof simple preparation and good performance, can be used mixed with a national standard gasoline in any proportion with similar energy consumption with the national standard gasoline and emission indexes that conforms to requirements of environmental protection, and can be widely used for various petrol-engined motor vehicles, such as car, carriage, fork truck, power-assisted vehicle, farm vehicle, motorcycle, load wagon and forklift.

The invention discloses an intelligent home gateway. The intelligent home gateway comprises a communication module and a control module. A customized and dedicated IC is adopted for the control module, a Java processor and standard and compatible hardware are embedded in the control module, a terminal and a host calculator are made to be fast connected through a TCP/IP protocol and an Ethernet, and by changing software, different functions can be achieved with the same hardware. The invention further discloses a community management system. The community management system comprises a plurality of terminal devices, a plurality of intelligent home gateways and a community management platform, wherein the community management platform is used for managing the intelligent home gateways. Through the technical scheme, multiple homes and even the whole community can be intelligently managed internally and externally, an intelligent lifestyle with homes as units and the community as the platform is achieved, and life is made easier, more convenient, comfortable, economical, environmentally friendly, safe and efficient.

The invention relates to an aqueous two-phase separation method for total flavonoids, saponins and polysaccharides in astragalus. The method comprises the following steps of smashing an astragalus medicinal material; adding a solvent and performing solid-liquid extraction; filtering and removing impurities to obtain crude extract of the total flavonoids and the saponins of the astragalus; taking and concentrating the crude extract of the astragalus; adding an aqueous two-phase system formed by absolute ethyl alcohol/dipotassium hydrogen phosphate, adding water to make the total amount of the system be a constant value; mixing uniformly and standing, wherein the aqueous two-phase system is divided into an upper phase and a lower phase; taking an ethanol phase which contains a large amount of total flavonoids and saponins of the astragalus out; and concentrating the ethanol phase under a reduced pressure to obtain the extract of the total flavonoids of the astragalus. The method has the beneficial effects that the extraction rate of the total flavonoids and the total saponins of the astragalus; simultaneously the total flavonoids and the total saponins can be separated from the polysaccharides of the astragalus in the crude extract; the used solvent is low in toxicity, favorable to environment friendliness and low in cost; the inactivation or the denaturation of the flavonoids and the saponins of the astragalus cannot be caused; the phase separation time is short; the interfacial tension is low; and residual organic solvent does not exist.

The invention relates to the technical fields of color master batches and preparing technologies thereof, in particular to a preparing technology for color master batches, and particularly discloses a preparing technology for color master batches for high-speed spinning fibers. The preparing technology includes the steps of carrier grinding, coloring material grinding, matched material grinding, assistant grinding, mixed grinding, high-speed grinding, extrusion prilling and drying. The color master batches prepared with the technology can be easily mixed with PET product plastic, and the even coloring effect can be achieved. Dispersibility, coloring strength and covering power are improved, weather resistance, acid resistance, heat resistance and cold resistance are achieved, the chemical stability of pigment is kept, and the color master batches are more environmentally friendly and healthier in the use process.

A method for comprehensively treating low-concentration ammonia-nitrogen wastewater by completely recycling is disclosed. The low-concentration ammonia-nitrogen wastewater and carbide slag or quick lime are mixed and reacted to obtain a mixed solution containing ammonia water and ammonium chloride. The mixed solution is transferred into an ammonia-water evaporative concentration tower to separate the ammonia water and thus obtain an ammonia vapor and a calcium chloride waste solution. The ammonia vapor is transferred into an ammonia-water cooler, and the calcium chloride waste solution is introduced into an aging pool for aging, and then filtered to obtain a purified calcium chloride solution; and the purified calcium chloride solution is introduced into an MVR triple-effect evaporator for evaporation, so as to obtain distilled water and a concentrated calcium chloride solution. The concentrated calcium chloride solution is introduced into a fluidized bed for spray granulation, so as to obtain an anhydrous calcium chloride product.

The invention discloses a gas water heater. The gas water heater comprises a pre-mixing cavity shell, a combustor, a heat exchanger, a pre-heating disc and controller; a mixing cavity is limited in the pre-mixing cavity shell, and the pre-mixing cavity shell is provided with a gas inlet, an air inlet and a mixed gas outlet which are communicated with the mixing cavity; the combustor is communicated with the mixed gas outlet, and a catalyst for catalyzing the combustor to carry out smokeless catalytic combustion is arranged in the combustor; the heat exchanger is connected with the combustor so as to absorb heat generated by combusting of the combustor and is provided with a water inlet and a water outlet; the pre-heating disc is connected with the combustor so as to preheat the combustor; and the controller is connected with the pre-heating disc so as to control heating temperature of the pre-heating disc. According to the gas water heater, the reaction rate of fuel can be improved, the utilization rate of the fuel is improved, generation of harmful gas can be avoided, the fuel can be subject to flameless catalytic combustion in the combustor, generation of the harmful gas is greatly reduced, and use is safe and environment-friendly.

An environmental-friendly composite filament artificial leather includes a composite filament textile and an elastomer film. The composite filament textile is made of composite filament. The composite filament includes at least one core portion and a sheath portion. The at least one core portion is a polyester-type polymer, a polyamide polymer or a polypropylene polymer. The sheath portion sheathes the at least one core portion, and the sheath portion is a thermoplastic elastomer. The elastomer film is bonded with the composite filament textile. The elastomer film is made of one selected from the following materials: thermoplastic polyurethane (TPU), thermoplastic polyester elastomer (TPEE) and thermoplastic polyolefin (TPO). By this way, an environment-friendly artificial leather of lightweight, good abrasion, good touch feeling and well dimentional stability can be manufactured. Furthermore, the artificial leather can be manufactured without use of any solvent, so as to conform to the environment protection requirement.

The invention relates to an electric breathing mask. A circle of sponge outer edge is fixed under an air chamber main body; a main ring is arranged on the air chamber main body; an outer open ring is arranged outside the main ring and is sleeved with a matched inner open collar; a battery box is fixed on the inner open collar; a circular cavity is fixed on a screw thread in the main ring; a motor is installed in the middle of the lower end of the circular cavity; an electric fan is installed at the upper end of the circular cavity; a small hole in the middle of the electric fan is fixed in a rotor shaft of the motor; a dust filtering box is fixed at the upper end of the circular cavity; dust filtering cloth and dust filtering sponge are installed in the dust filtering box; a dust filtering box cover covers the dust filtering box; an air outlet valve is also installed on the air chamber main body; and an air outlet valve piece is installed on the air outlet valve. The electric breathing mask can make people feel easy and comfortable during breathing, and has more inspiratory volume than an ordinary mask.

The invention relates to an oil-electricity hybrid power walking type aloft working platform. The oil-electricity hybrid power walking type aloft working platform comprises a frame, a rotary working platform arranged on the frame and a fixed arm arranged on the rotary working platform, wherein the fixed arm is provided with a hoisting mechanism; the hoisting mechanism comprises a lower arm, an upper arm and lower arm connection piece, an upper arm and a small arm; one end of the lower arm is hinged to the fixed arm and the other end of the lower arm is hinged to the upper arm and lower arm connection piece by a lower arm connection pin; the other end of the upper arm and lower arm connection piece is hinged to one end of the upper arm by an upper arm connection pin; the upper arm sleeves an upper retractable arm; the upper retractable arm is hinged to one end of the small arm by a pin; the other end of the small pin is hinged to a working bucket by a pin. The oil-electricity hybrid power walking type aloft working platform has the advantages of reasonable structure design, convenience for transportation, cleanness and environmental friendliness; noise pollution is reduced, the production cost is saved, the working span and height can be increased and energy sources are saved.

The invention discloses a plant wound protection patch and a preparation method thereof, and aims at providing a plant wound protection patch and a preparation method thereof, wherein the plant wound protection patch has the advantages that the plant wound protection patch can be directly attached onto a plant wound, the immune system of trees is activated, the metabolism is enhanced, the stress resistance of the trees is improved, the patch can be used for sterilization and disinfection, the water loss is prevented, the wound healing is promoted and the use is convenient. The protection patch is formed by mounting materials and plant healing ointment. The plant healing ointment is formed by the following components by weight percent: 20-60 percent of soybean oil, 10-30 parts of polybutylene, 1.2-5 percent of thiophanate methyl, 10-30 percent of asbestos and 10-33 percent of titanium dioxide. The plant wound protection patch can be directly attached onto the plant wound, an area which is isolated from an external germ living environment or can destroy the germ living environment is formed, the wound healing is promoted, the use is convenient, the effectiveness is high and the environment is protected.

The invention relates to a floor drain, in particular to a floor drain for a water seepage prevention toilet, which belongs to the technical field of floor drain structures. The water seepage prevention floor drain comprises a floor drain body 1, a sealing bowl 2 inside the floor drain body 1, and a floor drain cover 3 on the upper part, and is characterized in that the periphery of the floor drain body 1 is provided with a circle of water seal ring 4 surrounding the floor drain and extending out horizontally; and the drain floor is provided with drain openings 5 evenly above the water seal ring 4 and along the periphery of the floor drain body 1. The water seepage prevention floor drain is provided with the water seal ring on the basis of the prior floor drain to further strengthen the waterproof effect, effectively prevent water seepage of a waterproof layer and perform conduction drainage aiming at the water seepage, and is environment-friendly to use and convenient to mount.

A portable folding roaster comprises: a heating box, having a baffle disposed therein and a partition disposed at the bottom thereof, a heat source being disposed between the baffle and the partition, and the baffle having small apertures arranged on the surface thereof for facilitating heat dissipation; a folding leg stand, having a base there over for fixing the heating box, the base having a plurality of supporting legs pivoted there below such that the supporting legs may be opened or closed with respect to the base; and a roasting tool, disposed on the heating box, and being used for holding food materials.