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36results about How to "Solve expensive technical problems" patented technology

Train operation control method and device

ActiveCN107885077ASave energySolve the technical problems of high energy consumption in operationAdaptive controlHigh energySimulation
The invention provides a train operation control method and device. The train operation control method comprises the following steps that: traffic conditions encountered by a train and operating parameters adopted by the train during the historical running process of the train are collected; energy consumed by the train when the train adopts the operating parameters under the traffic conditions issimulated; minimum energy consumed by the train under the same road conditions is obtained through comparison; energy consumption models under the traffic conditions are established according to theoperating parameters adopted when the train consumes the minimum energy; and energy consumption models under traffic conditions encountered by the train actually in an operating route are inquired according to the traffic conditions, and target operating parameters adopted by the operating route are determined. Since the target operating parameters are determined with an objective to minimize energy consumption, energy waste during the operation process of the train can be avoided when the target operating parameters are adopted to control the operation of the train, the technical problem of high energy consumption during the operation of a train in prior art can be solved, and energy needed by the train during the operation can be saved.
Owner:BYD CO LTD

Method and device for generating power by using carbon-containing garbage as fuel of solid oxide fuel cell (SOFC)

The invention relates to a method and a device for generating power by using carbon-containing garbage as fuel, in particular relates to the method and the device for generating the power by using the carbon-containing garbage as the fuel of a solid oxide fuel cell (SOFC), and aims to solve the technical problem of high cost of hydrogen which serves as the fuel in an existing SOFC. The method comprises the following steps: adding the carbon-containing garbage into a fuel pipe (4); reacting the carbon-containing garbage with oxygen to generate carbon dioxide; reacting the carbon dioxide with the carbon-containing garbage to generate carbon monoxide; reacting the carbon monoxide with oxygen ions transferred by an electrolyte layer (2) to generate the carbon dioxide with loss of electrons; forming a current loop after the lost electrons of the carbon monoxide flow from an anode (3) to a cathode (1) through a wire. The device comprises the cathode (1), the electrolyte layer (2), the anode (3), the fuel pipe (4) and a sealing rubber plug (5). By the adoption of the method and the device, the zero-cost operation of the SOFC is realized. The method and the device belong to the field of power generation through the carbon-containing garbage.
Owner:HARBIN INST OF TECH

Intelligent air source heat pump control system and method based on big data technology

The invention relates to an intelligent air source heat pump control system and method based on a big data technology. The control system comprises air source heat pump equipment and an air source heat pump system monitoring and management platform which carry out data interaction through the technology of Internet of Things, so that data acquisition, data analysis and calculation of the air source heat pump equipment are realized, action commands are downloaded to the air source heat pump equipment, and all air source heat pump equipment in the system is monitored in real time. According to the intelligent air source heat pump control system and method based on the big data technology provided by the invention, the technical problem of high energy consumption caused by the technical limitation of existing air source heat pump equipment is solved; an accurate frosting prejudgment method and a hot water circulation external heating anti-frosting method are utilized for replacing a reverse cycle defrosting method of the existing air source heat pump, so that the problems of frosting misjudgment and excessive energy consumption existed in the reverse cycle defrosting method of the existing air source heat pump are solved, and the problems that the existing air source heat pump equipment cannot provide intelligent monitoring, realize centralized data processing, or control the operation process in real time are solved.
Owner:山东和同信息科技股份有限公司

Energy-saving elevator bank with traction machine driving two lift cars

InactiveCN103449288ADifferent structuresSignificant technical effectBuilding liftsMachineControl theory
The invention discloses an energy-saving elevator group with a traction machine driving two lift cars and belongs to elevator technologies in order to solve the problem that an existing elevator is huge in power consumption, high in cost and troublesome in maintenance. The energy-saving elevator group comprises an elevator A and an elevator B which are adjacent. The traction machine (2) is arranged between upper portions of shaftways (10) of the elevator A and the elevator B, a traction sheave (1) is disposed on the traction machine (2) and connected with a traction steel rope (4), and two ends of the traction steel rope (4) are respectively connected with the tops of the elevator A and the elevator B through two guide wheels (3). The guide wheels (3) are respectively arranged on the upper portions of the shaftways (10) of the elevator A and the elevator B and on the lower portion of the traction machine (2). The lower portion of the lift car (6) of each of the elevator A and the elevator B is provided with a compensating counterweight filler (8). The bottoms of the lift cars (6) of the elevator A and the elevator B are connected with two ends of a compensate chain (7) respectively. The energy-saving elevator group has the advantages of being low in energy consumption, short in waiting time and low in cost.
Owner:罗湘林

Train operation control method and device

ActiveCN107885077BSave energySolve the technical problems of high energy consumption in operationAdaptive controlHigh energySimulation
The invention provides a train operation control method and device. The train operation control method comprises the following steps that: traffic conditions encountered by a train and operating parameters adopted by the train during the historical running process of the train are collected; energy consumed by the train when the train adopts the operating parameters under the traffic conditions issimulated; minimum energy consumed by the train under the same road conditions is obtained through comparison; energy consumption models under the traffic conditions are established according to theoperating parameters adopted when the train consumes the minimum energy; and energy consumption models under traffic conditions encountered by the train actually in an operating route are inquired according to the traffic conditions, and target operating parameters adopted by the operating route are determined. Since the target operating parameters are determined with an objective to minimize energy consumption, energy waste during the operation process of the train can be avoided when the target operating parameters are adopted to control the operation of the train, the technical problem of high energy consumption during the operation of a train in prior art can be solved, and energy needed by the train during the operation can be saved.
Owner:BYD CO LTD

A kind of preparation method of wear-resistant alloy material

The invention provides a method for preparing a wear-resistant alloy material. The method comprises the following steps: heating manganese slag in an aerobic environment to obtain solid slag rich in manganese dioxide; adding carbon to the solid slag rich in manganese dioxide Powder or ferrosilicon alloy, after high temperature reduction and smelting, obtain manganese-rich alloy; mix manganese alloy and ferrotungsten alloy according to the set ratio to obtain premix, and smelt premix at high temperature to obtain ferrotungsten manganese alloy; The manganese alloy is poured in the mold to form a blank, and the wear-resistant alloy material is obtained after the blank is subjected to a heat treatment process. The preparation method of the above-mentioned wear-resistant alloy material, by adding carbon powder or ferrosilicon alloy to manganese dioxide obtained by heating manganese slag in an oxygen environment, and obtaining a manganese alloy after high-temperature reduction and smelting, instead of the traditional method. The technical scheme of wet recovery of crude manganese carbonate solves the technical problems of wet extraction of manganese in the prior art, which leads to long production process flow and large material consumption for producing wear-resistant alloy materials.
Owner:JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP HLDG CO LTD
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