77results about How to "Safe and efficient handling" patented technology

A self-guiding shopping cart collection, storage, and retrieval system is provided which is integrated into the parking lot construction. A collection channel is adjacent and parallel to a row of parking spaces which is formed as an inset trough configured to allow rolling translation of a shopping cart to a collection end. The collection channel has a generally planar floor and at least one inclined side bank with the floor being downwardly linearly inclined toward the collection end. Lateral feed channels intersect with the collection channel which are configured to allow rolling translation of a shopping cart from the parking lot into the collection channel. Thus, shopping carts from the parking lot are introduced into the lateral feed channels at the parking lot level and guided therethrough into the collection channel.

A charging method using a multiphase line voltage for charging an energy storage system (ESS) using a polyphase motor drive circuit communicated to a polyphase motor, the polyphase motor drive circuit including a plurality M of driver stages, one driver stage for each phase of the polyphase motor with each driver stage coupled across the energy storage system, the method including the steps of: (a) determining a charge mode responsive to a comparison of the multiphase line voltage to a voltage of the energy storage system, the determined charge mode including a boost mode when the voltage of the energy storage system has a first predetermined relationship to the multiphase line voltage and the determined charge mode including a boost-buck mode when the voltage of the energy storage system has a second predetermined relationship to the multiphase line voltage; (b) converting, when the charge mode includes the boost mode, the multiphase line voltage to a first charging voltage using a first set of N number of the plurality of driver stages, with N less than M, wherein the first charging voltage is communicated to the energy storage system, and wherein the first charging voltage is greater than the multiphase line voltage; and (c) converting, when the charge mode includes the boost-buck mode, the multiphase line voltage to a second charging voltage using a second set of P number of the plurality of driver stages when in the boost-buck mode, with P greater than N, wherein the second charging voltage is communicated to the energy storage system, and wherein the second charging voltage is less than the multiphase line voltage.

The invention discloses a treatment method for a garbage leachate membrane concentrated solution. The treatment method comprises the following steps: feeding the garbage leachate membrane concentrated solution into a membrane separating device to remove degradation-resistant organic substances such as humic acid in the concentrated solution, mixing the outlet water of the concentrated solution with a reverse osmosis concentrated solution, then removing scaling ions such as Ca<2+> and Mg<2+> and other inorganic substances in the concentrated solution by softening, precipitating and filtering, introducing the outlet water into the reverse osmosis membrane to further concentrate, and realizing up-to-standard release of produced water; and finally, spraying back the concentrated water back to an incinerator for incineration, evaporative crystallization or outward processing. The treatment method can be used for realizing efficient treatment of the garbage leachate membrane concentrated solution, and has the advantages of being stable in operation, high in treatment efficiency, low in operation cost, convenient to maintain and manage, and the like in comparison with the existing treatment method for the garbage leachate membrane concentrated solution.

The invention relates to a password protection method for a smart card on mobile terminal devices. An NFC (near field communication) chip is internally arranged in the mobile terminal devices, and a password protection client module is further arranged in the mobile terminal devices. The password protection method includes controlling and disposing individual user information configuration and visits to a Web site. By the password protection method for the smart card on the mobile terminal devices, confidentiality and completeness of data are guaranteed; cipher texts are stored on remote servers, so that risks of leakage of user's private information are reduced, and safety degree is high; the user does not need to remember too much account information, and usability is high; by an NFC technology, the user does not need to carry an external card reader, so that user's burden is eased; individual user private information protection is guaranteed when the user logs in, and secure logon on the Web site is realized; processing procedures are safe and effective, working performance is stable and reliable; and the NFC technology has a wide scope of application.

The invention relates to sludge granulation and drying device and method, which can safely and effectively treat wet sludge of a sewage treatment plant so as to facilitate the subsequent resource development and utilization of sludge. The device comprises a screw extrusion granule forming machine, a spout fluidized bed and a dried sludge granule stock bin, and the screw extrusion granule forming machine comprises a drive shaft, a screw feeder, a sludge extrusion forming pore plate and a rotating cutter. The method comprises the following steps of: dividing the spout fluidized bed into an upper spout bed area and a lower fluidized bed area, which are communicated, by using a middle partition board; loading the wet sludge granules from the screw extrusion granule forming machine downward into the spout bed from the bed surface of the spout bed; leading the primarily dried sludge granules to flow to the bottom of the fluidized bed from the bottom opening of the spout bed, and leading theother part of hot gas medium to enter the fluidized bed from a fluidized air inlet to deeply dry the sludge granules; enabling the dried sludge granules to move upward from the bottom of the fluidized bed to the bed surface of the fluidized bed; and finally, overflowing the dried sludge granules out from the fluidized bed to enter the dried sludge granule stock bin.

The invention relates to a method for deeply treating papermaking wastewater. The invention comprises the following steps: conducting anaerobic treatment, facultative treatment and aerobic treatment to papermaking waste water which reaches standard after alkali recovery and middle part water treatment and is distributed in a multistage oxidation pond treatment unit through manual redeploy; and leading the treated water to a manual ground bed with certain area, certain gradient and certain size designed according to treatment load requirements by a corresponding drainage and irrigation system after the water achieves primary treatment effect. the invention establishes a typical model of 'lagoon-constructed wetlands', creates a new technique of papermaking waste water ecologic treatment bases on low power consumption, low cost and high elimination rate, and enables that large amount of rough purified middle part papermaking waste water of papermaking enterprises after alkali recovery and middle part water treatment truly realizes the aims of safe and efficient treatment and resource cyclic utilization.

The invention relates to a whole bin whole-base ventilation low-speed drying grain storage system which comprises a grain bin and a grain bin treatment device. The system is characterized in that the grain bin is a whole-base ventilation grain bin, a ventilation structure is arranged on a base plate of the grain bin, the ventilation structure is connected with a ventilation inlet formed in the grain bin, and the ventilation structure is communicated with an inner cavity of the grain bin. The grain bin treatment device comprises a shell, and an air inlet and an air outlet are formed in the shell. The air outlet of the grain bin treatment device is connected with the ventilation inlet of the grain bin. According to the whole bin whole-base ventilation low-speed drying grain storage system, no drying pipelines exist in the grain bin, drying efficiency and the drying effect are greatly improved, the system can adapt to unprocessed grain conditions and climatic features in different areas, and the commodity value of the grain is ensured through low-temperature low-speed drying. In addition, by the adoption of technology application of ozone mould prevention and sterilization and pesticide residue degradation, it is ensured that no mould loss is produced in the treatment process, and meanwhile the drying season can be prolonged.

The invention relates to a recovery and treatment method for hazardous waste in production of aluminum alkyl. The method comprises the following steps: adding a solvent containing aluminum alkyl and aluminum powder into a reaction vessel after displacement of the reaction vessel with nitrogen and starting stirring; introducing carbon dioxide for 1 to 40 min, with an introduction speed controlled to be 5 L/min; when a temperature is lower than 40 DEG C, maintaining system pressure to be in a range of normal pressure to 0.1 Mpa and stopping introduction of carbon dioxide; adding water accounting for 50 to 300% by volume of the volume of the solvent, controlling a reaction temperature to be 10 to 60 DEG C and a pressure in a reaction to be 0.01 to 0.1 Mpa and carrying out full stirring and mixing; and filtering a mixture solution obtained after the reaction, collecting a separated oil-water mixture and carrying out standing and layering to obtain supernatant liquid which is a recovered solvent. The method provided in the invention is applicable to recovery and treatment of waste solvents containing different amounts of aluminum alkyl and aluminum powder and can effectively treat a solvent containing no more than 15 wt% of aluminum alkyl and o more than 10 wt% of aluminum powder.

A truck driving simulator is provided, comprising a simulated cab with a steering wheel and dashboard layout, foot pedals (accelerator, clutch, brake), gear shifting mechanism, and a video screen. In another embodiment, a series of such simulators may be placed in a classroom together with a single large screen video monitor or television at the front of the class, so that multiple students can follow along with the video simulation under the supervision of a teacher or instructor. The video monitor(s) may be used to show video footage of the actual route that will be used to test the drivers for their trucker's license. This arrangement allows students to repeatedly practice driving the actual course used for their driver's license test, and to learn concepts like clutching, double clutching and switching gears without risking damage to an actual truck and transmission.

The invention discloses a method for treating inert aluminum ash in an aluminum ash treatment technology. A mixture of aluminum ash and raw slurry is fired through a rotary kiln, is cooled through a cooling machine and is finally subjected to clinker leaching in a ball grinding mill in sequence. A device provided by the invention can be used for safely and efficiently treating the inert aluminum ash in the aluminum ash; lime milk is prepared and reacts with F<-> to generate CaF2, so that harmful elements and harms caused by the fact that the F<-> enter flue gas are eliminated; meanwhile, organic matters accumulated by a Bayer process can be treated. The rotary kiln is arranged and materials with different grain diameters can be uniformly mixed; the calcination efficiency and effect are improved.

The invention provides a method for treating high-arsenic contaminated acid. The method comprises the following steps: 1) adding a calcium compound into high-arsenic contaminated acid until the pH value is 3 to 6, adding an oxidizing agent and soluble iron salt to perform reaction until precipitate is not generated any more, and performing solid and liquid separation to obtain a first precipitate and an intermediate liquid product; 2) adding the calcium compound into the intermediate liquid product to perform reaction, controlling the pH value to be 7 to 9 until precipitate is not generated any more, and performing solid and liquid separation to obtain a second precipitate and waste liquid, wherein the calcium compound is selected from at least one of calcium hydroxide and calcium oxide. By the treatment method, the waste liquid and the waste residues reach the discharge standard at the same time.

The invention relates to an OS combined hair follicle extraction device and an extraction method thereof. The OS combined hair follicle extraction device comprises a hollow tube and a hair push rod, wherein the hair push rod is arranged in a hollow cavity of the hollow tube, a needle is arranged at the lower end of the hair push rod and extends out of the hollow tube, a groove is formed in one side of the needle, and the hair push rod is controlled through a control button. The length of the hollow tube is 11-13 cm, the tube diameter is 1 cm, the exposure length of the needle is 5-25 mm, the needle diameter is 0.8-1.8 mm, and the extraction method comprises the steps of routine examination before transplantation, hair follicle detection, image design, angle customization, hair follicle extraction, hair follicle separation, hair follicle planting and care after planting. By the adoption of the extraction device and the extraction method, the speed of hair follicle extraction can be effectively improved, hair loss, cicatricial alopecia and scant eyebrows, eyelashes, beards and other parts can be safely and efficiently handled, and the hair transplanting process is achieved by adopting a reasonable technology and using the shortest time.

A device for handling drill string components with respect to a drill rig. A gripper is configured to grip a first drill string component to be threaded on to or off from a second drill string component being part of a drill string which is partly drilled into a rock formation. A handling unit includes the gripper is movable between a drill string position and a loading position wherein a drill string component can be brought into or taken out from the gripper. The handing unit includes auxiliary engagement unit configured to align the gripped first drill string component to essentially in line with an axial direction defined by the second drill string component. The gripper and the auxiliary engagement unit are adjustable for gripping drill string components of different dimensions with maintained alignment of gripped drill string components. A rock drill rig including the device.

A method and device for forming a stack of sheets including a delivery surface, and also a stop and a pusher element movable in the direction of the stop, and also a guide which can occupy a first and a second position, in which the first position a sheet can be received in the guide, and in which the second position a guide path is formed, wherein the freedom of movement of the sheet edge is substantially limited in a direction substantially perpendicular to the pushing direction and substantially perpendicular to the delivery surface of the preceding sheet.

The invention discloses a contaminated soil thermal decomposition tail gas treatment method. The contaminated soil thermal decomposition tail gas treatment method comprises the steps of dust removal treatment, catalytic combustion, cooling treatment and absorption treatment, wherein according to the catalytic combustion, tail gas without particles is fed into a catalytic combustion chamber to be subjected to catalytic combustion, the combustion process is a process with catalytic combustion through catalysts, the temperature of catalytic combustion ranges from 200 DEG C to 600 DEG C, and the time of catalytic combustion is two seconds or longer. Compared with an existing tail gas high-temperature incineration method, the contaminated soil thermal decomposition tail gas treatment method has the advantages that due to the fact that the tail gas is treated with a catalytic combustion method, the damage and removal rate of organic pollutants is more than 99%, and the tail gas is treated efficiently, safely and effectively; due to the fact that tail gas treatment is carried out at low temperature, energy consumed in the tail gas treatment process is about only half of the energy consumed in high-temperature incineration, the treatment cost of thermal decomposition is remarkably reduced, and the contaminated soil thermal decomposition technology can be widely applied easily.

The invention discloses a detection system for rollover leakage parameters of a tank truck and a detection method of the detection system, and belongs to the technical field of automobile safety. Thedetection system is provided with a rollover monitoring module and a leakage detection module, the rollover monitoring module is adopted for judging the operating state of the tank truck, when it is judged that the tank truck is in a rollover risk state, the leakage monitoring module is used for monitoring the liquid level of liquid in a liquid tank and the slip angle of a tank body, whether the liquid tank is in leakage or not is judged according to liquid level data and slip angle data, the liquid leakage amount in the tank and the flow of the leaking liquid are calculated, and therefore theleakage parameters are detected. Then the rescue risk is reduced through the accurate leakage parameters, the rescue efficiency is improved, and it is guaranteed that accidents are safely and efficiently treated.