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997results about How to "Reduce burn" patented technology

Preparation method of microencapsulated gradient halogen-free flame retardant system

The invention relates to a preparation method of a microencapsulated gradient halogen-free flame retardant system. The preparation method comprises the steps of: mixing a phosphorus-series flame retardant with an inorganic flame retardant according to a certain ratio to obtain a microencapsulated halogen-free flame retardant, then carrying out surface modification on a charring agent, and then mixing the microencapsulated halogen-free flame retardant, a phosphorus-containing organic flame retardant and surface-modified charring agent according to a certain ratio to obtain the microencapsulated gradient halogen-free flame retardant system. By using the system, distributed gradient flame retarding is realized, the flame retardancy of a polymer material is greatly improved, the defect that compatibility between the flame retardant and the polymer is poor is solved, the migration of the halogen-free flame retardant from the polymer matrix under high-temperature and moisture conditions is significantly reduced, and the long-term storage of a flame-retardant polymer material is facilitated. The method has the characteristics of simple process, convenience for operation, environmental friendliness, and lower cost. The obtained flame retardant system has good flame retarding effect and wide application field.
Owner:JILIN UNIV

Chain plate conveying coal ball heat conduction oil dryer

A chain plate conveying coal ball heat conduction oil dryer belongs to the field of drying equipment. The chain plate conveying coal ball heat conduction oil dryer comprises a heat insulation outer shell, a chain plate conveying mechanism, a feeding conveying belt, a discharging opening, a heating device and a waste heat using device. The chain plate conveying mechanism comprises a double-driving chain structure, a matched chain wheel, a bearing chain plate and a guiding sliding track. The bearing chain plate is a hollow-out structure formed by a frame and a grid bar and is located on a chain shaft in a hinge mode. The guiding sliding track is divided into an upper sliding track part and a lower sliding track part which have the same structure sequence. Each part is divided into a horizontal section, a V-shaped blanking section and an arc groove-shaped turning section which are connected in sequence. A falling zone corresponds to a lowering edge section of each V-shaped blanking section of the guiding sliding part. The heating device is connecting heat conduction oil furnace heat conduction calandrias which are distributed above and below a conveying interface formed by the bearing chain plate. An improved double-chain strip plate type conveyor is used, a high-efficiency heat conduction oil furnace is used as a heat source, a controllable heat conduction oil pipe composite layer distribution structure is used for improving the heating effect, and the effects of small space size, energy saving and environment protection are achieved.
Owner:HEBEI GOLD BANGZI BOILER

Method of forming distributed energy storage system by small hydropower cluster

The invention discloses a method of forming a distributed energy storage system by a small hydropower cluster. The method comprises steps: a total net load value PLj(t) of all small hydropower stations at a tth time in an energy storage cycle T is acquired; according to an optimization objective, the total net load value PLj(t) and planned load pi(t) of an ith small hydropower station, the actual load pfci(t) of the ith small hydropower station is acquired; and according to the actual load pfci(t) of the ith small hydropower station, optimal efficiency control is carried out on a water pumping and water storing device of the ith small hydropower station, and the ith small hydropower station is made to operate under the optimal efficiency according to the actual load pfci(t), wherein the water pumping and water storing device is a hydraulic turbine, a water pump or a reversible hydraulic turbine. Through carrying out improvement on the small hydropower stations and using an energy management unit to manage the small hydropower stations in a unified mode, the multiple small hydropower stations can form a large energy storage system capable of power generation and energy storage, the problems of the operation efficiency and the utilization of the small hydropower stations can be solved, and the regulation capability of the power grid is improved.
Owner:HUAZHONG UNIV OF SCI & TECH

System and method for treating converter flue gas

The invention relates to an environmental-friendly device of an iron and steel enterprise and a dust removal method, that is to say, a system and a method for treating converter flue gas. The system comprises a furnace mouth nitrogen injection sealing petticoat pipe, a segmental evaporation cooling flue, a high-temperature heat pipe steam generator, a spray evaporation cooler, a long neck adjustable throat venturi tube, an impeller type composite dehydrator, a fan, an automatic continuous coal gas detector and a three-way switching valve, which are connected in sequence, wherein the three-way switching valve is connected with a gas chamber; or the three-way switching valve is communicated with a chimney. The method comprises the following steps of: forming a soft sealing screen between a furnace mouth and a petticoat pipe, after segmentally vaporizing and cooling the flue gas, and cooling in a high-temperature heat pipe; after carrying out spray evaporation, cooling and rough dust removal through a dry method, carrying out fine dust removal and cooling by a venturi tube through a wet method, dehydrating the flue gas, and entering into a coal gas recycling stage lastly. According to the invention, the wet method and the dry method are combined, waste heat recovery, coal gas recovery, sewage treatment and dust removal can be planned in a flue gas treatment and utilization system as a whole and the combination action of the device is fully exerted.
Owner:北京五一环保科技股份有限公司
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