44results about How to "Security and Reliability Guarantee" patented technology

A gravity type internal solitary wave maker with a rotary blind door comprises a blind door and a linkage control mechanism, wherein the blind door comprises a plurality of long and thin stainless steel vanes; partition doors formed by all the vanes are arranged in an overlap mode; the overlap parts have good tightness when the partition doors are closed; the linkage control mechanism comprises link rod sliders, a slide guide, a cylinder and a steam pump; each stainless steel vane is riveted with upper and lower axes; all the upper axes are connected one ends of the link rod sliders corresponding to the upper axes; all the link rod sliders rotate around the corresponding upper axes on the vanes; the other ends of all the link rod sliders are connected with a cylinder piston rod; the link rod sliders reciprocate on the slide guide; a cylinder piston drives the link rod sliders to move to drive the upper axes on the vanes to simultaneously rotate 90 degrees while driving the piston rod to reciprocate, thus realizing synchronous opening and closing of the blind door. The movement amplitude of the mechanism generating the internal solitary waves through the interface density difference is greatly reduced, the quality of the made waves is effectively improved and the mechanical device has concise overall structure and is convenient to operate.

The invention relates to a method for extracting cannabidiol from industrial hemp. The method includes crushing and drying one or more of flowers, leaves and hemp seed bran of industrial hemp, as rawmaterials, to obtain a crushed raw material the water content of which is not more than 5%; subjecting the crushed raw material to supercritical carbon dioxide extraction to obtain cannabidiol preliminary extract; performing molecular distillation after the cannabidiol preliminary extract is heated to obtain a cannabidiol-enriched product; and subjecting the cannabidiol-enriched product to supercritical fluid chromatography for separation and purification to obtain cannabidiol free of tetrahydrocannabinol and having purity higher than 99%, with macroporous resin or MCI resin or C18 silica gelbeing adopted as a stationary phase, supercritical carbon dioxide being adopted as a mobile phase, and ethanol being adopted as an entrainer. The method is simple in process and easy to operate, and solves problems that cannabidiol extracted by solution leaching methods in the prior art is low in purity, that psychotoxic component tetrahydrocannabinol is left, that a large amount of organic solvents are consumed and that environment is polluted.

The invention discloses a method for establishing a hadoop identity authentication mechanism. The method comprises the following steps that a KDC server is established; a hafs principal, a mapred principal and an HTTP principal are established for each node in a hadoop cluster; a hafs.keytab file including the hdfs principals and the HTTP principals is established; a mapred.keytab file including the mapred principals and the HTTP principals is established. According to the method for establishing the hadoop identity authentication mechanism, the problems that in the prior art, hadoop access control is not safe, and cluster nodes can be simulated are solved.

The invention relates to a Brayton-cascade steam Rankine combined cycle power generation system. The gas exhaust of a Brayton cycle is adopted as a heat source for a high-temperature end steam Rankine cycle, a steam condenser in a high-pressure end steam Rankine cycle is adopted as one of heat sources for a low-pressure end steam Rankine cycle, the latent heat of vaporization of the steam in the high-pressure end steam Rankine cycle is efficiently recovered to be used for power generation in the low-pressure end steam Rankine cycle, consequently, the load of the steam condenser of the conventional steam Rankine cycle system can be effectively reduced by more than absolute 20 percent, and by adopting a system optimization technique, the absolute thermal efficiency of the cycles of the whole system can be increased by more than 5 percent. The Brayton-cascade steam Rankine combined cycle power generation system not only can be used in the energy-saving alteration of conventional units, but also can be used in the design and construction of new units, and economic, social and environmental protection benefits are remarkable.

The invention relates to a surface mortar for an outer wall external insulation system using sprayed rigid foam polyurethane. The surface motor is prepared by mixing the following materials in proportion (mass): 40 to 58% of cement, 20 to 35% of a lightweight insulation material, 0.1 to 0.2% of an anti-cracking agent, 0.4 to 1% of redispersible rubber powder, 0.2 to 0.3% of a water-retaining agent and 0 to 0.5% of slow-drying agent, with the balance being a filler. The surface mortar provided in the invention has good flexibility and crack resistance, can compensate for temperature strain caused by difference among expansion coefficients of materials and avoids the cracking of the external insulation system, thereby thoroughly overcoming the difficulty in leveling and the problem of proneness to cracking in the prior art. Simultaneously, a conventional process for leveling of insulation mortar and rendering of crack resistant mortar is simplified in the invention; the surface mortar provided in the invention has both the functions of leveling and rendering and has excellent leveling and filling performance and a light weight, providing reliable guarantee for the security of the system. Low cost and substantially reduced construction cost are achieved in the invention.

The invention provides a combined conveying-type mechanical three-dimensional parking device. The combined conveying-type mechanical three-dimensional parking device is characterized in that the combined conveying-type mechanical three-dimensional parking device comprises a parking mechanism, car-carrying boards used for carrying cars and a controller; the parking mechanism is used for parking cars in daily life; the parking mechanism is equipped with more than one line of parking units; each line of parking units is equipped with an up-down and translation device; each parking unit comprisesat least one layer parking lot; a parking lot in each layer is provided with multiple parking spaces; a first-layer parking lot is equipped with an intelligent conveying device used for conveying thecar-carrying boards; parking lots above the first layer are provided with up-down and translation devices used for inputting and outputting cars; and an output end of the controller is connected withthe intelligent conveying device and the input ends of the up-down and translation devices. With the combined conveying-type mechanical three-dimensional parking device, reliability and safety of operation of parking device can be ensured. Additionally, a mechanical unit is controlled to automatically park cars by intelligently analyzing states of parking spaces. People do not need to park nay vehicle. The land occupancy rate is saved while human and material resources are saved.

The invention relates to a multifunctional cascaded steam Rankine combined cycle power generation device. A multistage cascaded mode including a high-voltage end Rankine cycle, a middle-voltage end Rankine cycle and a low-voltage end Rankine cycle is adopted, discharged latent heat of vaporization during the vapor condensation of the high-voltage end Rankine cycle and the middle-voltage end Rankine cycle is recycled efficiently and is used for electricity generating of a Rankine cycle system, load of a condenser of a traditional steam Rankine cycle system is efficiently reduced over an absolute value of 20 percent, the system optimization technology is adopted, and the cycled absolute heating efficiency of the whole system can be improved by over 5 percent. The multifunctional cascaded steam Rankine combined cycle power generation device can be used for energy conservation transformation of an existing reheat cycle steam Rankine cycle unit and can also be used for the design and construction of a new-built unit, and the economic benefit, social benefit and environmental protection benefit are remarkable.

The invention relates to an organic rankine-type industrial waste heat integrated recovery device, which adopts a phase-changing heat exchanger technology based on an indirect heat exchanging way, and adopts organic medium to recover waste heat of combustible, explosive, toxic, corrosive or dust-contained high-temperature fluid or the waste water and waste vapor produced in the industrial production process. The organic rankine-type industrial waste heat integrated recovery device is characterized in that through the power generation of an organic rankine circulation power generator unit, the integrated recovery and high-efficient power generation of the waste heat resource of the entire system can be realized, and the heat circulating process of an oridinal system of the industrial production process is not influenced. The organic rankine-type industrial waste heat integrated recovery device not only can be used for recovering the waste heat of smoke of industrial kilns, power plant boilers and internal combustion engines, but also can be used for the integrated utilization of waste heat resource in chemical plants, and is remarkable in economical, social and environmental benefit.

The invention discloses a safe and realizable electric convolute limit detection device capable of accurately positioning. The detection device comprises a core tube. The core tube is provided with an opening, the interiors of two ends of the core tube are respectively provided with a core tube plug and a core tube rotor, one end of the core tube is movably arranged in a left end cap through the core tube plug, the other end of the core tube is connected with an output shaft of a synchronous motor arranged in a vibration damping motor seat through the core tube, the vibration damping motor seat at the lower end of the core tube rotor is fixedly provided with a switch mounting seat in which an upper limit detection switch and a lower limit detection switch are respectively arranged. The limit detection device has the advantages of overcoming the defect of inaccurate positioning of the prior upper limit detection switch and the prior lower limit detection switch caused by easily moving positions, ensuring accurate of an upper limit position and a lower limit position of a convolution object, having reliable guarantee of overall safe performance at the same time, and reducing maintenance cost greatly.

The invention relates to a mixed type steam Rankine combined cycle power generation device. A high pressure end steam Rankine cycle and a lower pressure end steam Rankine cycle are directly compounded through a low pressure steam generator 5. Latent heat of vaporization released when a high temperature steam Rankine cycle steam turbine discharges exhaust gas for condensing is completely utilized for power generation of a low temperature end steam Rankine cycle, and therefore load of a traditional steam Rankine cycle system condenser is effectively reduced by more than 20%. System optimization technology is adopted, and cycling absolute thermal efficiency of the whole system is improved by more than 5%. The mixed type steam Rankine combined cycle power generation device not only can be used for energy conservation improvement on an existing machine unit, but also can be used for designing and building a newly built machine unit, and has remarkable economic, social and environmental protection benefits.

The invention relates to a steam Rankine-organic Rankine combined cycle power generation device, wherein steam in a steam Rankine cycle is cooled by an organic working medium in an organic Rankine cycle, and latent heat of vaporization of the steam in the steam Rankine cycle is recycled to be used for organic Rankine cycle power generation, so that the steam Rankine cycle and the organic Rankine cycle are combined together and an implementable combined recycling device is formed; and meanwhile, the safety difficult problem that waste heat of flue gas is recycled by the organic Rankine cycle is solved, exhaust gas temperature is effectively reduced, and low-temperature corrosion of the flue gas is avoided, and waste gas, waste water and waste heat of waste steam in a steam Rankine cycle system can be effectively recycled. The steam Rankine-organic Rankine combined cycle power generation device can be used for energy-saving reconstruction of existing units, also can be used for designing and constructing new generator units as well, and is especially suitable for new construction, extension and reconstruction of generator units in severe cold areas, water-deficient areas, power shortage areas and the like, so that economic, social and environmental-friendly benefits are remarkable.

The invention discloses an electric winding limit detecting device with correct positioning and safety and reliability. The electric winding limit detecting device comprises a core tube. The core tube is provided with an opening; a core tube plug and a core tube rotator are arranged inside the two ends of the core tube respectively; one end of the core tube is movably arranged in a left end cover through the core tube plug; and the other end of the core tube is connected with an output shaft of a synchronous machine arranged in a vibration reduction motor cabinet through the core tube rotator. A switch mounting seat is also fixed on the vibration reduction motor cabinet on the lower end of the core tube rotator; and an upper limit detecting switch and a lower limit detecting switch are respectively arranged inside the switch mounting seat. The electric winding limit detecting device has the advantages that the device overcomes the defect of incorrect positioning of the upper and lower limit detecting switches due to easy displacement, thereby ensuring the correct position of the upper and lower limits for a winding object; and simultaneously the safety performance of the whole limit detecting device is reliably guaranteed and the maintenance cost is greatly reduced.

The invention belongs to the technical field of steel bridge construction, and particularly relates to a steel box girder unloading construction method which comprises the following steps that 1, an unloading device is preassembled on a segment assembling bridge girder erection machine, and the segment assembling bridge girder erection machine moves to a bridge rectifier; 2, the unloading device is installed on the segment assembling bridge girder erection machine; 3, hoisting the segmental steel box girder; 4, butting the upper suspender and the lower suspender, and suspending the segmental steel box girder; 5, assembling and welding the fixed section steel box girder to form a whole-span steel box girder, and unloading the whole-span steel box girder; and 6, separating the bottom surfaceof the whole-span steel box girder from the balance beam. The method has the beneficial effects that the sinking speed can be effectively controlled, so that the unloading process is stable, balanced, synchronous, unified and orderly, and the construction quality and the personnel safety can be reliably guaranteed.

The invention discloses a curtain type safe elevator. The curtain type safe elevator comprises an elevator, two curtains and two coiling blocks, wherein one end of one curtain is installed at the top of one side, close to a door, of an elevator cab; the other end of one curtain is installed on the coiling block at the top of an elevator hoistway; one end of the other curtain is installed on the bottom of one side, close to the door, of the elevator cab; the other end of the other one curtain is installed on the coiling block on the bottom of the elevator hoistway; the curtains are made of inelastic materials; the width of the curtains is not less than the width of an elevator hoistway door; and two sides of the curtains are installed on two sides of the elevator hoistway and penetrate through a U-shaped sliding chute of the elevator hoistway.

The invention provides a high-speed stepping motor drive circuit for a space mechanism. Four N-channel MOSFETs form a single-phase bypass drive H-bridge circuit, and each MOSFET directly controls theon-off state of the H-bridge circuit. The invention provides a control method of a high-speed stepping motor drive circuit for a space mechanism. According to the high-speed stepping motor drive circuit for the space mechanism provided by the invention, a discrete architecture is adopted in the aspect of a driving control circuit, so that a good heat dissipation effect is achieved. The adopted discrete devices all have astronavigation grades, and the space environment can be well met. The control method of the high-speed stepping motor drive circuit for the space mechanism adopts a reasonablecombination logic, ensures the rapid change of the current of the motor winding through the reasonable switching logic, the high-frequency drive waveform and the sine curve acceleration mode to achieve the high-speed motion of the stepping motor, and the reliability and the safety at the high-speed motion are ensured by setting the dead time.

The invention relates to an extracted steam type steam Rankine combined cycle power generation device. The extracted steam of a steam turbine in high-pressure-end steam Rankine cycle is used as a heat source of a steam generator in a low-pressure-end steam Rankine cycle; the high-pressure-end steam Rankine cycle and the low-pressure-end steam Rankine cycle are directly compounded; vaporization latent heat, released when the extracted steam of the steam turbine in the high-pressure-end steam Rankine cycle is condensed, is completely used for the low-pressure-end steam Rankine cycle for generating power; the load of a traditional steam Rankine cycle system condenser can be effectively reduced by above 30%; and according to a system optimization technology, the cycle absolute thermal efficiency of the whole system can be improved by above 4%. The extracted steam type steam Rankine combined cycle power generation device disclosed by the invention can be used for the energy saving transformation of a traditional extraction condensing type or pure condensing type unit, also can be used for designing and constructing a newly-built unit and has an obvious economic, social and environmentally-friendly benefit.

The invention relates to a Britton-mixed steam Rankine combined cycle power generation device. Exhaust gas of a Britton cycle is adopted as a heat source of a mixed steam Rankine cycle system; a mixed steam Rankine combined cycle is used for directly compounding a high-pressure end steam Rankine cycle with a low-pressure end steam Rankine cycle through a low-pressure steam generator 5; and latent heat of vaporization released when exhaust steam of a high-temperature end steam Rankine cycle turbine is condensed is all utilized for low-temperature steam Rankine cycle power generation, so that the load of the conventional steam Rankine cycle system condenser is effectively reduced by more than 20%, and the absolute cycle heat efficiency of the whole system can be improved by more than 5% by adopting the system optimization technology. The Britton-mixed steam Rankine combined cycle power generation device can be applied to not only energy-saving reform of the conventional machine sets but also design and construction of new machine units, and has very remarkable economic, social and environment-friendly benefits.

The invention relates to a Brayton-cascade steam Rankine combined cycle power generation system. The gas exhaust of a Brayton cycle is adopted as a heat source for a high-temperature end steam Rankine cycle, a steam condenser in a high-pressure end steam Rankine cycle is adopted as one of heat sources for a low-pressure end steam Rankine cycle, the latent heat of vaporization of the steam in the high-pressure end steam Rankine cycle is efficiently recovered to be used for power generation in the low-pressure end steam Rankine cycle, consequently, the load of the steam condenser of the conventional steam Rankine cycle system can be effectively reduced by more than absolute 20 percent, and by adopting a system optimization technique, the absolute thermal efficiency of the cycles of the whole system can be increased by more than 5 percent. The Brayton-cascade steam Rankine combined cycle power generation system not only can be used in the energy-saving alteration of conventional units, but also can be used in the design and construction of new units, and economic, social and environmental protection benefits are remarkable.

The invention relates to an extraction steam Rankine-organic Rankine combined circulating power generation device; the latent heat of vaporization of the circulating steam extraction of steam Rankine is recovered for the circulating power generation of organic Rankine by cooling the steam extraction of a steam turbine in the steam Rankine with an organic working medium in the circulation of organic Rankine, so as to composite the circulation of steam Rankine with that of the organic Rankine; and meanwhile, the safety difficult problem of the flue gas afterheat recovery of the circulation of organic Rankine is solved, the smoke exhaust temperature is effectively reduced, the low-temperature corrosion of flue gas is prevented, and the afterheat potential of a steam Rankine circulating system is effectively recovered and utilized. The extraction steam Rankine-organic Rankine combined circulating power generation device not only can be used for the energy-saving reform of an existing unit, but also can be used for the design and manufacturing of new units, and has significant economic, social and environmental protection benefits.

The invention discloses a multifunctional pediatric nursing bed which comprises a bed body assembly, guardrail assemblies, a tray assembly, step ladder assemblies and a storage assembly, wherein the guardrail assemblies are respectively moveably connected with both sides of the bed body assembly; the tray assembly is connected with the bed body assembly in a sliding manner; the step ladder assemblies are respectively telescopically arranged at lower ends of both sides of the bed body assembly; and the storage assembly is arranged below the bed body assembly. The nursing bed is reliable in structure and diverse in function; due to adoption of the guardrail assemblies, reliable protection can be achieved, a child can be prevented from falling, and the security can be ensured; due to adoptionof the tray assemblies, the child can play and learn on the bed conveniently, and convenience and rapidness can be achieved; due to adoption of the step ladder assemblies, the child can get up and down the bed by self smoothly, and good reliability can be achieved; and due to adoption of the storage assembly, living articles or other necessary products can be conveniently contained and stored, shoe bins do not need to set separately, and the use performance can be effectively improved.

The invention discloses a remote monitoring visual intercom system. RELATING TO THE FIELD OF COMMUNICATION SYSTEMS, according to the remote monitoring visual intercom system, visitors can be monitoredfrom multiple angles; the functions of real-time storage and remote supervision and control of intercom pictures are integrated; according to the system, a visitor can be observed from multiple angles and remotely monitored to avoid potential risks. Meanwhile, picture recording is supported, talkback picture videos of the visitor can be played back, effective evidence records can be provided foremergencies, the system supports most of existing visual intercom technologies, and the transformation cost is not increased too much.

The invention relates to a cascade type steam Rankine combined cycle generating device which is characterized in that a steam condenser in a steam Rankine cycle of a high-pressure end is used as one of heat sources (i.e. a low-pressure evaporator) of the steam Rankine cycle of a low-pressure end, latent heat of vaporization of steam in the steam Rankine cycle of the high-pressure end is efficiently recovered to be used for steam Rankine cycle power generation of the low-pressure end, and the load of the condenser in a traditional steam Rankine cycle system can be effectively reduced by more than 20% of the absolute value. By adopting a system optimization technology, the cycle absolute heat efficiency of the whole system can be increased by more than 5%. The cascade type steam Rankine combined cycle generating device can be used for reforming the existing unit for saving energy, and for designing and constructing a novel unit, and the cascade type steam Rankine combined cycle generating device has obvious economic, social and environmental benefits.

According to the present disclosure, there is provided a computer-readable non-transitory storage medium storing a program for causing one or a plurality of processors of an information processing device to execute deposit processing for, when receiving transaction information for depositing a consideration of goods or services and a guarantee charge into a first account, transmitting, on the basis of the received transaction information, information concerning the transaction information to a second account that receives the consideration and settlement processing for, after performing the deposit processing, when receiving, from a third account which deposits the consideration, a result notification to the effect that the goods or the services are received, transferring the consideration from the first account to the second account and transferring the guarantee charge from the first account to a fourth account.

The invention discloses a method realizing stable reception of self-control signals by a high voltage cabinet in a tape conveying self-control system. The method involves a PLC program segment and also involves a closing coil program part of the high voltage cabinet and a separating coil program part of the high voltage part. Pulse signal control of a falling edge is adopted during a kernel startstopping process. After pulse signals are transmitted, coil suction of a small relay is conducted. Auxiliary contacts of the small relay transmit signals to separating and closing coils of the high voltage cabinet; 2 seconds (SST#2S) are added to a TV terminal of a time relay, a 2 second electrification time delay is achieved and 2 second electrification of a 401M:Q1 coil is ensured. Therefore, the closing coil of the high voltage cabinet gets enough time for suction and enough time for separation. In this way, a problem of instability of closing and separating signals of the high voltage cabinet is solved and a problem of control failure is also solved. At the same time, a reliable guarantee is given to safety of tape production.

The invention relates to a steam extraction type steam Rankine-low boiling point working medium Rankine combined cycle power generation device. A low boiling point working medium in a low boiling point working medium Rankine cycle is used for cooling extraction steam in a steam Rankine cycle, latent heat of vaporization of the extraction steam in the steam Rankine cycle is recovered for power generation of the low boiling point working medium Rankine cycle, and therefore the steam Rankine and the low boiling point working medium Rankine cycle are compounded together. At the same time, a safety problem existing when the low boiling point working medium Rankine cycle recovers waste heat of exhaust gas is solved, the waste heat of the exhaust gas is effectively recovered, low temperature corrosion of the exhaust gas is avoided, and the exhaust gas, waste water and the waste heat of the exhaust gas are effectively recovered and utilized. The steam extraction type steam Rankine-low boiling point working medium Rankine combined cycle power generation device not only can be used for energy conservation improvement on an existing machine unit, but also can be used for designing and building a newly built machine unit. The steam extraction type steam Rankine-low boiling point working medium Rankine combined cycle power generation device is especially suitable for new construction, extending construction and reconstruction of a power unit in water-deficient areas, power shortage areas and other areas, and therefore the steam extraction type steam Rankine-low boiling point working medium Rankine combined cycle power generation device has remarkable economic, social and environmental protection benefits.

The invention relates to a Britton-mixed steam Rankine combined cycle power generation device. Exhaust gas of a Britton cycle is adopted as a heat source of a mixed steam Rankine cycle system; a mixed steam Rankine combined cycle is used for directly compounding a high-pressure end steam Rankine cycle with a low-pressure end steam Rankine cycle through a low-pressure steam generator 5; and latent heat of vaporization released when exhaust steam of a high-temperature end steam Rankine cycle turbine is condensed is all utilized for low-temperature steam Rankine cycle power generation, so that the load of the conventional steam Rankine cycle system condenser is effectively reduced by more than 20%, and the absolute cycle heat efficiency of the whole system can be improved by more than 5% by adopting the system optimization technology. The Britton-mixed steam Rankine combined cycle power generation device can be applied to not only energy-saving reform of the conventional machine sets but also design and construction of new machine units, and has very remarkable economic, social and environment-friendly benefits.

The invention relates to a britten-steam extraction type rankine combined cycle power generation device which is characterized in that extraction steam of a steam turbine in a high-pressure end steam rankine cycle serves as a heat source of a steam generator in a low-pressure end steam rankine cycle; the high-pressure end steam rankine cycle and the low-pressure end steam rankine cycle are combined directly; latent vaporization heat released during extraction steam condensation of the steam turbine in a high-temperature end steam rankine cycle is wholly used for power generation in a low-temperature end steam rankine cycle; a load of a condenser of the traditional steam rankine cycle system is effectively reduced by above 10%; and a system optimization technology is adopted, so that the cycle absolute heat efficiency of the overall system can reach above 4%. The device can be applied to energy conservation transformation of the existing extraction condensing or straight condensing unit, can also be applied to design and construction of a newly-built unit, and has very significant economic, social and environmental benefits.

The present invention provides a method for realizing local distribution of data based on a self-learning method, comprising: in an intelligent edge network, configuring a local UE ip forwarding table through data packet learning on a service plane, and performing local data distribution based on the UE ip forwarding table; If there is user bearer deletion or user detachment, delete the UE ip forwarding table through service plane aging. This application is aimed at deploying intelligent edge network equipment between the base station and the core network to realize local service distribution. When the intelligent edge network equipment fails and restarts, and two sets of intelligent edge network equipment are not deployed, it can be achieved without affecting user access. Quickly complete local data distribution. This solution has low requirements on the structural cost of the network. On the premise of ensuring the reliability and security of the network, it greatly reduces the cost of network construction and plays a positive role in promoting the large-scale deployment of intelligent network equipment.