188results about How to "Leave quickly" patented technology

The present invention discloses a catalytic reaction method. Said method can make the catalytic reaction be implemented in the supergravitational field. Said method utilizes the rotary bed supergravitational field equipment as reactor, on the rotor of said rotary bed supergravitational field equipment a porous catalyst layer and/or a porous filler layer are fixed, and the described catalytic reaction is homogeneous reaction or heterogeneous reaction. Said invention cal reduce catalyst consumption, raise utilization rate of catalyst, raise stability of catalyst and can reduce denergy consumption, etc.

The invention discloses an eggshell type nickel-based catalyst and a preparation method and application thereof, belonging to the technical field of nickel-based catalysts and aiming at developing the eggshell type nickel-based catalyst for meeting the demand. The research shows that the eggshell type nickel-based catalyst can be prepared by dissolving nickel salt into ammonia water solution, loading the mixed solution on a catalyst carrier by adopting a spraying or immersing mode, drying, roasting and reducing. The active component of nickel is mostly centralized in an area from the surface of the carrier to the part of 0.7mm below the surface and can remarkably improve the conversion rate and the selectivity of the catalyst. The invention can be applied to the technical fields of hydrogen addition and trace amount of carbon monoxide removal from hydrogen and the like.

The invention relates to a method and a device for detecting an insulator through a multi-rotor unmanned aerial vehicle. The device comprises a multi-rotor unmanned aerial vehicle, as well as an onboard control computer of a flight control system, a positioning device, an unmanned aerial vehicle steering engine controller, a height measuring device, a speed measuring device, a high-definition camera, an unmanned aerial vehicle PCM (Pulse-Code Modulation) remote control receiver, an onboard wireless communication unit and a lifting device which are arranged on the multi-rotor unmanned aerial vehicle; the lifting device drives a probing lower pole to move; the onboard wireless communication unit communicates with a ground station; the unmanned aerial vehicle steering engine controller controls a servo steering engine; the servo steering engine controls a multi-rotor module; a probing upper pole and the probing lower pole are respectively connected with respective voltage sensors; the two voltage sensors are connected with an A/D (Analogue-to-Digital) conversion unit, a DSP (Digital Signal Processor) unit and the onboard control computer of the flight control system. The method and the device provided by the invention can be used for knowing and control the operation condition of a circuit insulator in time; the risk when a detector climbs up to carry out near-distance electrified operation can be further avoided; and meanwhile, the detection efficiency can be improved.

The invention provides a method for preparing a perovskite thin film in a perovskite solar cell via a solution air extraction and ventilation method. The method comprises the following steps: a perovskite liquid film coated on a surface of a base body is subjected to air extracting and drying operation in an environment where the partial pressure of the solvent is lower than 99% saturated vapor pressure of the solvent at current temperature; during drying processes or after the perovskite liquid film is completely dries, a gas which does not react chemically with a perovskite is let in, and therefore a process that the solvent is evaporated or solvent molecules leave the environment can be accelerated via solvent molecule concentration dilution. Heterogeneous nucleation and growth of the surface of the base body can be realized via control over drying process conditions, and therefore a uniform and compact perovskite thin film can be formed. The method can be used for accelerating liquid film drying processes, making solvent steam molecules leave a surface of the thin film quickly, and obtaining the uniform-structured and compact perovskite thin film; thus current leakage caused by perovskite thin film loopholes can be prevented and the method can help make high-efficiency solar cells; the method is advantaged by simple operation, easy-to-implement property, low cost, high repetition accuracy, convenience for industrialization and the like.

The present invention relates to a method for preparing diol mono-tert-butyl ether. According to the method, isobutene gas and liquid-phase diol are introduced into the catalyst bed layer in the middle portion of a reactor, the generated diol mono-tert-butyl ether is instantly distilled from the bed layer under the gas stripping effect of the isobutene gas so as to avoid the generation of ethylene glycol di-tert-butyl ether due to the continuous reaction between the diol mono-tert-butyl ether and the isobutene, the diol mono-tert-butyl ether is separated on the upper portion of the reactor, the separated diol mono-tert-butyl ether is condensed on the tower top, the condensed diol mono-tert-butyl ether is extracted from the tower top or the side line, and the unreacted isobutylene and the unreacted diol are respectively extracted from the tower top and the tower bottom and then are recycled to the inlet. With the process of the present invention, the generation of the diol di-tert-butyl ether can be inhibited, such that the problems that the azeotropy of the diol di-tert-butyl ether and the diol mono-tert-butyl ether causes high separation energy consumption, high investment, and the like can be avoided.

The invention relates to a method to synthesize high-temperature atmosphere furnace and ceramic powder in the way of rapid reaction. A water-cooled flange provided with a water-cooled intermediate separator board at the middle part divides an atmosphere furnace into a high temperature atmosphere furnace and a cold chamber furnace. The high temperature atmosphere furnace is provided with a horizontal heating chamber which is installed on the hearth and which consists of insulation material and heating elements. The heating elements are uniformly distributed on the upper and lower surfaces of the internal walls of the insulation material and connected with the copper electrode installed on the high temperature atmosphere furnace through leads; a heat insulation valve is mounted on the surface of the horizontal heating chamber facing the cold chamber furnace, wherein a fixed track is mounted in the heat insulation valve; the movable track in the cold chamber furnace is connected with the lower push rod in the push rod mechanism, wherein the movable track is provided with a hopper onside, and the hopper is connected with the upper push rod of the push rod mechanism; every furnace is provided with an air inlet and an air outlet with a valve, a vacuum hole and a thermocouple, etc. The invention not only realizes the rapid heating of the materials and the rapid synthesis of the atmosphere, but also realizes the rapid cooling of the products and the even growth of the crystal.

The invention discloses a tangential injection type whirl flow jet flow grinding drill bit for a horizontal well. The grinding drill bit mainly comprises a PDC drill bit body and is characterized in that a debris discharging groove in the gauge protection portion of the PDC drill bit body is omitted, and the PDC drill bit body is internally and additionally provided with a tangential injection type rotating jet flow sand washing device, a high-concentration turbulence sand pumping device and a jet flow smashing device. According to the tangential injection type rotating jet flow sand washing device, high-speed rotation jet flow is generated through tangential injection type rotating jet flow spray nozzles, a well bottom whirl flow field beneficial to rock debris cleaning is formed, the stress condition of well bottom rock debris is improved, and the well bottom rock debris cleaning efficiency is improved. The high-concentration turbulence sand pumping device pumps and sucks the well bottom fluid based on the principle of a sand pumping pump, the well bottom pressure difference is reduced, unbalance is achieved, and the mechanical drilling speed is increased. The jet flow smashing device effectively smashes the rock debris based on the principle of a jet mill, the rock debris carrying efficiency is improved, the rock debris bed in the horizontal well is eliminated radically, and safe and efficient drilling of the horizontal well is finally achieved.

The invention discloses a method for preparing spherical nanometer zirconium silicate powder and belongs to the technical field of inorganic materials. The method comprises the steps of mixing nanometer zirconium oxide powder and nanometer silicon oxide powder uniformly according to the mole ratio of 1:1, and obtaining a powder mixture (a); adding deionized water and binder into the powder mixture (a), conducting mixing uniformly, and obtaining slurry (1); adopting spray-drying equipment for conducting powder agglomeration treatment on the slurry (1), and obtaining agglomerated composite powder; utilizing induction plasma spheroidizing equipment for conducting spheroidizing and compaction treatment on the composite powder, and obtaining the zirconium silicate spherical nanometer agglomerated powder, wherein according to the method, by adjusting relevant process parameters, solid spherical nanometer powder with the surfaces compact, bright and clean can be obtained, and the powder can be distributed within a certain particle size range. The powder has excellent flowing property, the high temperature phase structure is stable, the chemical stability is good, and the powder has god application prospect in the field of thermal barrier coating materials.

The invention discloses a temperature and smoke joint control fire extinguishing circuit for a bus power battery cabin. The circuit comprises an on-board 24-V power supply, a fire early-warning controller, an automatic fire extinguisher, a temperature detector, a smoke detector, a starting relay, a manual starting button, an audible and visual alarm, a fire extinguisher status indicator lamp and a remote monitoring terminal. The on-board 24-V power supply, the automatic fire extinguisher, the temperature detector, the smoke detector, the starting relay and the remote monitoring terminal are connected with the fire early-warning controller through a circuit. The remote monitoring terminal transmits information to the remote monitoring platform through a GRPS, and records and stores the information. The temperature and smoke joint control fire extinguishing circuit for the bus power battery cabin is used for carrying out early warning, prevention and fire extinguishing in advance when the temperature of a power battery is increased sharply and a large amount of smoke is produced before open fire occurs, and more escape time is won for passengers.

The invention relates to a device for assisting an automobile in movement. The device comprises a hydraulic pump, a hydraulic oil tank, a hydraulic multi-way control valve and hydraulic movement assistors, wherein each hydraulic movement assistor comprises a support, a lifting hydro-cylinder equipped with a travelling roller, a hydraulic travelling motor and a hydraulic steering motor; the four hydraulic movement assistors in even distribution are symmetrically mounted at four corners of the chassis of an automobile via the support; the upper end of a piston rod of the lifting hydro-cylinder is connected with the support into a whole in a fastening manner, and a horizontal transmission shaft, on which a first bevel gear and the travelling roller are mounted in a fastening manner, is arranged on the crotch at the lower end of the lifting hydro-cylinder; the hydraulic travelling motor provided with a pair of mutually engaged bevel gears is mounted on the lateral side of the lifting hydro-cylinder in a fastening manner; two supporting plates and a gearwheel and a pinion which are engaged with each other are mounted at the upper end of the lifting hydro-cylinder in a fastening manner; and the hydraulic steering motor is mounted on the lateral surface of the support in a fastening manner, and the vertical spline output shaft of the hydraulic steering motor is inserted in the splined hole at the center of the pinion in a way that the vertical spline output shaft thereof is in sliding fit with the splined hole. Accordingly, the device of the invention is capable of assisting an automobile in transverse displacement or in-situ rotation, so as to rapidly get away from a traffic jam or rapidly drive into a parking stall.

The invention discloses a firefighting system oriented to an intelligent building. The firefighting system comprises a central control module, a terminal fire extinguishing module, an alarm module, aventilation module, an emergency evacuation module, a monitoring module and a smoke discharge module; the terminal fire extinguishing module, the alarm module, the ventilation module, the emergency evacuation module, the monitoring module and the smoke discharge module are controlled to operate through the central control module; the monitoring module sends monitored information to the central control module after detecting an origin of fire the building; the central control module receives the information and judges fire behavior, and sends signals to the terminal fire extinguishing module, the alarm module or the emergency evacuation module according to preset standard; the smoke discharge module and the ventilation module respectively control a firefighting exhaust system and a firefighting ventilation system in the building. The firefighting system oriented to the intelligent building disclosed by the invention is convenient for operation and use, the intelligence degree of the firefighting system of the entire building can be effectively improved, the security is high, the firefighting cost and the loss caused by fire disaster are reduced, and the practicality is high.

The invention relates to the technical field of vehicle control, particularly provides a vehicle safety control method and device and an electric vehicle and is intended to solve the technical problemof how to cut off and restore a power supply system after an electric vehicle encounters a collision accident. To this end, the vehicle safety control method may execute different high-voltage powersupply system cut-off strategies according to collision strength levels, to be specific: in the case of a high collision strength level, the high-voltage power supply system is quickly cut off in irreversible manner so as to effectively avoid the risk of the high-voltage power supply system; in the case of a low collision strength level, the high-voltage power supply system is cut off in reversible manner so that a vehicle may quickly leave an accident site at the premise that the collision strength is friendly to continued safety driving of the vehicle, and the risk of secondary accidents isdecreased. The vehicle safety control device and the electric vehicle may execute and implement the steps of the vehicle safety control method.

The invention belongs to the technical field of tool clamps, and particularly relates to an adjusting support with a supporting face capable of being automatically changed along with a part appearance. The support comprises a base, a supporting base, a positioning supporting pipe, a supporting ball head, a locking screw, a first spring, a guide sleeve and a limiting device. A part is placed on theadjusting support, the gravity of the part is smaller than elastic force of the first spring, when the part makes contact with the supporting ball head, pre-pressing force is manually exerted, the positioning supporting pipe slides downwards along the guide sleeve, in the process, the first spring is compressed, meanwhile, under the effect of a coil spring, a winding wheel and a ratchet wheel aredriven to rotate, the ratchet wheel is matched with a pawl, a first connecting rope is in the tensioned state all the time, according to different appearance structures of different parts, the form of the supporting face can be rapidly adjusted, the part supporting and positioning stability can be improved, meanwhile, the support can be repeatedly used, design and manufacturing cost can be saved,meanwhile, the tool clamp generality can be improved, and the product development period can be shortened.

The invention relates to a method for operating a safety system (15) for avoiding collisions and/or for reducing the severity of collisions in a motor vehicle (1) that has a clutch pedal (5) as an actuating means for manually actuating a clutch (11). The safety system (15) is designed to carry out at least one braking intervention when a collision is imminent, a clutch actuator (14) that is provided as an additional actuating means (13) being used to automatically open and close the clutch (11). In the context of at least one braking intervention of the safety system (15), the clutch actuator (14) is actuated in order to open the clutch (11) dependent on at least one item of intervention information relating to the braking intervention.

The invention discloses a device for enhancing ultrasonic pretreatment of municipal sludge. The device for enhancing ultrasonic pretreatment of the municipal sludge comprises an ultrasonic reaction tank, a micron bubble water generation unit, a booster pump and a pressure gauge, wherein a sludge inlet and a sludge outlet are formed in the upper portion and the lower portion of the ultrasonic reaction tank respectively, ultrasonic wave generation units are installed on side walls of two sides of the ultrasonic reaction tank respectively, the micron bubble water generation unit is connected withthe ultrasonic reaction tank through a first connection pipe, one end of the first connection pipe extends into the ultrasonic reaction tank, a plurality of water outlet holes are formed in the extending end of the first connection pipe, and a plurality of baffles which are arranged from top to bottom in sequence in a staggered mode are installed in the ultrasonic reaction tank; and the booster pump communicates with the ultrasonic reaction tank through a second connection pipe. According to the device for enhancing ultrasonic pretreatment of the municipal sludge, the sealed reaction tank isadopted for conducting high-pressure ultrasonic pretreatment on the liquid sludge, so that in anaerobic digestion and ultrasonic pretreatment of the municipal sludge, energy consumption is low, and aneffect is good.

The invention relates to a bicycle carriage bag improved structure, comprising a combined rod, a plurality of hooks, a blocking piece, a catch, and a cover, wherein, one end of the combined rod is fixedly provided with a carriage bag; two hooks are penetrated on the combined rod; the blocking piece which can move between a first position and a second position is arranged at a proper part of the rod body; a storage rack is hung on the bicycle through the hooks; the hooks are limited on the storage rack without falling off by utilizing the blocking piece at the first position to support the storage rack.

A rotary table type emergency escape passage with slide bars is an escape device specially designed for high floors and places with narrow outdoor space. Due to the designe of the rotary table type escape passage with the slide bars, people are allowed to downwardly slide to a rotary table of the next floor from a rotary table of one floor, by the floor-by-floor rotary sliding in the way, fear of the escape people is reduced, and escape is safe, quick and effective; serving as an emergency escape facility, the rotary table type emergency escape passage with the slide bars are installed on the floor and the outdoor ground permanently, and is firm in structure, durable in use and particularly suitable for quakeproof fireproof disaster reduction installation and use on different floors.

The invention provides a control method of a liquid drop bounce direction based on a surface wetting gradient. A surface free energy gradient is established on the surface with a uniform structure, and thus, liquid drops are controlled to bounce to an area with low non-wettability from an area with high non-wettability. The control method of the liquid drop bounce direction based on the surface wetting gradient has the following advantages that the operation is simple and convenient, no exact requirement is on base body materials, and the cost is low; contact bouncing time of surface dynamic impacting liquid drops in a liquid drop impacting experiment is shortened to 11.6ms; the liquid drops can directionally bounce to the area with the low non-wettability from the area with the high non-wettability, and rapidly leave the surface of a finished product; and the wetting gradient surface of the prepared controllable impacting liquid drop bounce direction has important practical significance to industrial application of the super-hydrophobic surface.

The invention provides a method and a device for catalytic cracking of heavy oil and belongs to the field of catalysis of heavy oil. The method is characterized by comprising the following steps that: in a reactor comprising a pre-elevating segment, a first reaction area and a second reaction area, a cooled regenerated catalyst is used and flows upward under an action of a pre-elevating medium toenter the first reaction area; the catalyst is contacted with the catalytic materials for reaction at the lower part of the first reaction area; the formed oil mixture enters the second reaction area, and continues to be fully contacted for reaction in the second reaction area, and a rapid cooling agent is used for controlling the reaction temperature in the second reaction area; the oil mixture coming out of the second reaction area enters a settler from an outlet necking segment for gas-solid separation, the carbon-carrying catalyst after reaction enters a steam stripping segment of the settler for steam stripping, and the carbon-carrying catalyst after steam stripping enters a regenerator for regeneration; and the regenerated catalyst, which regains activity, enters an external heat-remover along a regenerated inclined tube, the cooled regenerating agent enters an elevating tube for circular use, and the reaction oil gas, from which the carbon-carrying catalyst is separated, is sent to a system for separating following products. The device has the advantages of solving the problem of upgrading oil quality, improving the residue blending proportion and light oil yield, and simultaneously lowering the yield of dry gas and coke.

The invention discloses a hydropower station warning system and method. The system comprises a master processor, a slave processor, a GPS module, a GPRS module, a human body infrared detection module, a gravity sensor module, a voice output module and an emergency treatment module. On one hand, the system effectively inform tourists in downstream riverways in time when a gate of a hydropower station is lifted and water is drained unperiodically and irregularly, so that the tourists can retreat in time before floods come and unnecessary tragedies are avoided. On the other hand, the system prevents the situation that important equipment is lost and accordingly normal operation of the hydropower station is affected by monitoring the important equipment guaranteeing normal operation of the hydropower station in real time through detection equipment.

The invention discloses a method for slotting an anode in the electrolytic aluminum industry. The technical scheme is that: the method comprises the following steps of: placing a die core plate consisting of a left part and a right part in an anode molding die sleeve; and after the anode is made into a block and molded, pulling the die core plate out from the two sides of the die sleeve by using a drive device. The slotting method has good effect, namely, irregularly-shaped slots of which middle parts are lower than tops at two ends can be reserved, and compared with straight slots, are more favorable for driving CO2 foams to quickly leave the bottom of the anode; and the slotting method also has the advantages of simple process, convenient use and raw material saving.

The invention discloses a vehicle parking lot charging management system based on a radio frequency license plate with a communication function; the vehicle parking lot charging management system comprises a vehicle entrance buried antenna assembly and a vehicle entrance RFID radio frequency reader-writer connected with the vehicle entrance buried antenna assembly, also comprises a vehicle exit buried antenna assembly and a vehicle exit RFID radio frequency reader-writer connected with the vehicle exit buried antenna assembly, also comprises identification positioning buried antenna assemblies of each parking stall in the parking lot, wherein the identification positioning buried antenna assemblies of each parking stall are commonly connected with one or more parking stall RFID radio frequency reader-writer; the vehicle entrance RFID radio frequency reader-writer, the vehicle exit RFID radio frequency reader-writer and the parking stall RFID radio frequency reader-writers read the information from RFID radio frequency license plates with communication function of different passing or staying vehicles, and are connected with a parking lot node information server, thus forming the vehicle parking lot charging management system based on radio frequency license plates with the communication function.