32results about How to "Stable working conditions" patented technology

The invention relates to the technical field of solar energy thermal power generation and discloses a tower-typed solar energy thermal power generation system with two-stage thermal storage. The system at least comprises a photo-thermal conversion subsystem, a two-stage thermal storage subsystem and a power subsystem; wherein, the photo-thermal conversion subsystem is used for receiving and converging solar radiation energy, converting the received solar radiation energy into heat energy, and transmitting the heat energy to the power subsystem or the two-stage thermal storage subsystem; the two-stage thermal storage subsystem is used for storing the heat energy input by the photo-thermal conversion subsystem and providing the heat energy for the power subsystem when the solar radiation energy is not enough; the power subsystem is used for converting the received heat energy into electrical energy and outputting the electrical energy. By adopting the invention, the problem that the steam is difficult to store is solved, and the difficulty that the running of a steam turbine in the previous tower-typed solar energy thermal power generation proposal by taking the steam as heat absorption working substance is influenced by the unstable and discontinuous solar radiation is overcome.

The present invention provides a program upgrading device based on a vehicle Ethernet framework and a control method thereof, a vehicle, a computer device and a computer readable storage medium. The device comprises a controller, an Ethernet gateway, a plurality of domain controllers and a plurality of electronic controllers. The Ethernet gateway is connected with the controllers and the domain controllers through the Ethernet; the domain controllers are connected with the electronic controllers through the Ethernet or a CAN bus; the controllers are configured to determine whether any one electronic controller satisfies an upgrading condition or not according to the whole vehicle network information, the program is sent to the Ethernet gateway when any one electronic controller satisfies the upgrading condition; and the Ethernet gateway is configured to receive the program, and the program is flashed to any one electronic controller through passing through the domain controllers according to the DOIP protocol. The fusion of the flashing schemes between the Ethernet and the CAN and the flashing of multiple electronic controllers are realized.

The invention discloses a double-stage heat storage trough type solar thermal power generation system. The system comprises a double-stage trough type solar heat collection field, a double-stage heat storage sub-system and a power generation sub-system. The double-stage trough type solar heat collection field comprises a high-temperature heat collection field and a low-temperature heat collection field and is used for receiving and collecting solar radiation energy. The high-temperature heat collection field is used for converting the collected solar radiation energy into heat of high-temperature heat conducting oil. The low-temperature heat collection field is used for converting the solar radiation energy into heat of low-temperature heat conducting oil. The double-stage heat storage sub-system comprises a high-temperature heat accumulator and a low-temperature heat accumulator. The high-temperature heat accumulator is used for storing the high-temperature heat conducting oil output by the high-temperature heat collection field. The low-temperature heat accumulator is used for storing the low-temperature heat conducting oil output by the low-temperature heat collection field. The power generation sub-system is used for converting the heat of the heat conducting oil into steam, converting the steam into electric energy and outputting the electric energy. By using the system disclosed by the invention, a problem of reduction of heat collecting efficiency resulted from high average heat absorption temperature of a mirror field is resolved; furthermore, problems of high high-temperature resistance performance of the mirror field to the conducting oil, high investment of the conducting oil and high power generation cost are resolved.

The present invention relates to an incandescent steel slag cracking method, including: directly pouring the incandescent steel slag in a steel slag cracking furnace, spraying water for thermal stewing cracking, cooling drying discharge and steam heat energy recovery. The invention is characterized in that the incandescent steel slag from the steel plant no longer needs a dedicated storage yard for stacking cooling, namely, the incandescent steel slag can be directly poured in the steel slag cracking furnace for thermal stewing cracking; fork-lift truck and excavator are nor required in the whole process form self-loading furnace to discharging from furnace; the steel wall material of the cracking furnace has stable working conditions, and is free from man-made mechanical damages, so that its service life will be more than 5 years; sensible heat of the incandescent steel slag can be stably and efficiently recovered, and the whole process can realize PLC automated control; the system investment is approximately 50% of the existing technology, operating cost is 60% of the pot stewing technology, the metal recovery rate is improved 10% or more, water from the furnace cinder is less than 5%; a 500,000 tons/year steel slag processing line recovers steel slag residual heat equivalent to 10,000 tons of standard coal thermal value.

The invention relates to a marine diesel engine sliding main bearing thermoelectricity signal calibration device. The diesel engine sliding main bearing thermoelectricity signal calibration device comprises an industrial computer, a programmable logic controller, a servo driver, a data acquisition card, a motor, a front supporting bearing, a rear supporting bearing, an experiment bearing, a rotate speed sensor, a thermoelectricity sensor, a torque sensor, a tile back temperature sensor, a lubricating oil temperature sensor, a lubricating oil pressure sensor, a hydraulic cylinder, a hydraulic oil tank, a hydraulic pump, a lubricating oil tank, a lubricating oil pump, a lubricating oil heater, a hydraulic sensor, and a displacement signal sensor. According to the technical scheme, a flexible feedback control strategy is adopted, the steady transition of rising and falling rotation speed and regulation of loading is guaranteed, a stable variable working condition is provided for testing the bearings, and thus dynamic calibration of thermoelectricity signals is achieved.

The invention provides a robot control system which is provided with a robot body. The robot body comprises a head portion, a neck portion, a main body portion, a chassis portion and a tire portion. The head portion is pivoted to the neck portion, the neck portion is pivoted to the main body portion, the main body portion is arranged on the chassis portion, and the tire portion is arranged below the chassis portion to rotate so as to enable a robot to move. The system comprises a neck operation device, a first lifting adjustment device, a second lifting adjustment device, a stabilizing device and an active suspension device. The neck operation device is used for controlling the head portion of the robot to rotate on the neck portion. The first lifting adjustment device is controlled by the neck operation device to adjust the height of the head portion of the robot and the gravity center position of front-back stretching of the robot. The second lifting adjustment device is controlled by the neck portion operation device to adjust the height of the main body portion of the robot and cooperated with the first lifting adjustment device to synchronously or asynchronously adjust the robot body height of the robot. The stabilizing device is controlled by the neck operation device to stabilize the robot body to keep a horizontal state when the robot moves. The active suspension device is controlled by the neck operation device to enable the height of each wheel suspended to the chassis portion to adapt to ground changes.

The invention relates to a waste fluoride-containing alkaline water processing method during the rare earth hydrometallurgy production process. The processing method can also achieve the purpose of the extractant saponification. After mixed with the organic phase, the waste fluoride-containing alkaline water generated during the rare earth hydrometallurgy production process undergoes saponification; the saponified organic phase is mixed with the solution waiting for extraction, and then the extraction separation and reextraction are conducted; the saponified water phase is used for the NaF or cryolite preparation. The invention has the advantages that by using the available and cheap waste alkaline water as the raw material, the saponification cost is reduced during the extraction separation; the fluorine ion in the wastewater can be recycled so as to reduce the environment pollution and save a lot of the three wastes processing cost.

The invention provides a combined frame-type hot press. The combined frame-type hot press comprises a fixed head, a top plate, guide plates, a hot pressing plate, a bottom plate, a hydraulic rod, a hydraulic pump and a platform, wherein the guide plates are arranged on two sides of the lower end of the fixed head, the top plate is arranged on one side of the guide plates, and the hot pressing plate is arranged below the top plate; and the bottom plate is arranged below the hot pressing plate, the hydraulic rod is arranged at the lower end of the bottom plate, the hydraulic pump is arranged onone side of the hydraulic rod, and a platform is arranged at the bottom end of the hydraulic rod. According to the combined frame-type hot press, by arranging a novel driving block, a heat conductingblock and the hot pressing plate, the problem that the hot pressing result is not ideal due to uneven heat transfer of the hot pressing plate in an existing structure is solved, the problem of waste of air pressing resources formed by integral welding forming is avoided, the use fit degree is improved, the working efficiency is optimized, and the use experience is improved.

The invention provides a performance testing system for an organic Rankine cycle turbine expansion generator set in the technical field of generator set performance testing. The performance testing system comprises an evaporator, a superheater, drying filters, an expansion machine, a generator, an electric energy measuring and consuming device, a condenser, a liquid storage device, a working medium displacement pump, a working medium flow meter, a preheater, a working medium circulating pipe, a bypass pipe and a control valve, wherein the evaporator, the superheater, the first drying filter, the expansion machine, the condenser, the liquid storage device, the second drying filter, the working medium displacement pump, the working medium flow meter and the preheater are sequentially connected together in series through the working medium circulating pipe. The influence of inlet and outlet pressure, the rotating speed of the expansion machine and the working medium flow on the performance of the generator set can be researched, the power generation efficiency, the expansion efficiency, the mechanical efficiency and the like of the turbine expansion machine can be measured, and the performance testing system is an effective means for testing the performance of the turbine expansion machine generator set. The performance testing system is reasonable in design and suitable for optimization design of the performance testing system for the expansion generator set.

The invention provides a file box manufacturing, processing, folding and forming device, and belongs to the field of file box folding. The file box manufacturing, processing, folding and forming device comprises a workbench, wherein the top end surface of the workbench is of a rectangular plate-shaped structure; four supporting legs are separately arranged at the left side and the right side of the bottom of the workbench; hydraulic cylinders are mounted at four corners of the top end surface of the workbench; the middle part of the top end surface of the workbench is rotatably connected with a rotary platform; and a rotary regulating mechanism is arranged on the middle part of the bottom end surface of the workbench. According to the file box manufacturing, processing, folding and forming device provided by the invention, a distance control assembly and a cutter distance regulating assembly are mutually matched for regulating distances between two portal frames and two cutting pressure cutters, so that the purpose of controlling a slot pressing distance and a slot pressing width of a file box is achieved, folding and forming thickness of the file box is changed, processing and forming dimension diversity of the file box is favorably improved, and use universality of the file box is improved; and the rotary regulating mechanism controls rotation of the rotary platform to change the slot pressing position of the file box.

The invention discloses a torsion unloading mechanism. The torsion unloading mechanism comprises a bearing unit, an adjusting unit and an unloading unit; the bearing unit comprises a base and a firstcircular sleeve fixed to the center of the top of the base; the adjusting unit comprises a roller and a first pin rod penetrating through the roller, and the roller is located in the inner space of the first circular sleeve; and the unloading unit comprises a stand column, and the bottom end of the stand column is located in the inner space of the first circular sleeve. According to the torsion unloading mechanism, the bearing unit, the adjusting unit and the unloading unit are arranged, the problem that two or more bolt and nut combinations cannot be unloaded at the same time is solved through mutual cooperation of the adjusting unit and the unloading unit, the bearing unit provides stable working conditions for the mechanism, and normal use of the mechanism is guaranteed.

The invention provides a foam stirrer and a washing machine. The washing machine comprises an outer barrel and a drain pipe. One end of the drain pipe is provided with a water inlet connected to the outer barrel. The foam stirrer is mounted on the drain pipe, and the foam stirrer comprises: a drive portion, a stirring portion disposed in the drain pipe and opposite to the water inlet, and the stirring portion is connected to the drive portion. The drive portion of the foam stirrer drives the stirring portion to rotate to act on washing water in the outer barrel, so that a detergent or washingpowders in the washing water are fully dissolved and foam is generated, thereby improving cleanliness of clothes and reducing friction between the clothes and the wall of the barrel during a washing process. The foam stirrer and the washing machine protect quality of the clothes and enhance user experience.