41results about How to "Improve safety indicators" patented technology

The invention provides a subcritical liquid extraction device and a subcritical liquid extraction method of active ingredients of natural products, relating to a device and a method for extracting active ingredients of natural products. The device comprises a control system part and a leaching system part, wherein the leaching system part comprises an extraction tank 1, an evaporating tank 2, a buffer tank 3, a condenser 4, a solvent tank 5, an ultrasound generating device 11, a vacuum pump 9, a fire arrester 10, a compressor 8, a hot water pump 7 and a hot water box 6; the control system partcomprises a leaching temperature controller, a leaching time controller, a leaching frequency controller, a material dissolving ratio controller, an exsolution temperature regulation controller, an exsolution pressure feedback controller, an electric appliance controller of the device and an excess-temperature excess-pressure leaking alarm. The method can select different subcritical extraction media according to different extraction products, combines a subcritical liquid extraction technology and an ultrasonic extraction technology to increase extraction rate and reduce extraction time andis a new high-efficiency low-consumption environment-friendly technology for extracting active ingredients of natural products.

The invention discloses a thermoelectric power station automatic control system based on artificial intelligence. It includes dispersible control system, virtual DCS simulation system, program controlling system, monitoring information system and malfunction diagnosing and optimizing controlling system; the dispersible control system is connected with the virtual DCS simulation system and program controlling system; the program controlling system process the operating parameters of every machine group transmitted by dispersible control system, and at the same time transmits data to monitoring information system to display, then transmits malfunction diagnosing and optimizing controlling system to have equipment state monitoring, malfunction diagnosing and forewarns. The invention gathers automatic control, optimizing operation, security monitoring and malfunction diagnosing and forecast. It can improves the automated management level of the thermoelectric power station operation, and enhances enterprises' benefit. It has great economic and applied value in the producing process automatic control of the thermoelectric power station.

The present invention relates to a dissolvent with effective ingredient extracted from the plant-and-animal raw material and the extraction method thereof. One subcritical fluid extraction solvent includes an extraction solvent of a compound or composition extracted from the raw material containing compound or composition as component element, and the solvent is mainly characterized in that the liquid sulfur hexafluoride works as the extraction solvent. The invention also includes a method for extracting the subcritical fluid extraction solvent. The advantage of the invention is that the extraction and separation of the target component in the natural product are optionally executed to further increase the extraction rate of the intermediate product and the usage factor of the raw material while the unique dissolving character of the sulfur hexafluoride and the mixed solvent thereof to the liposoluble active ingredient is used. The physical features of strong dissolving capacity and low boiling point of the sulfur hexafluoride and the mixed solvent thereof are used to reduce the consumption quantity of the energy source, dissolvent of the system and the cost, and increase the market competition ability of the intermediate product.

The invention discloses a digital electro-hydraulic adjusting system for steam turbine, comprising decentralized control system at each control point in unit, virtual controlling emulator system and program control system. By program control system actual running parameters of each unit transmitted by decentralized control system and purpose value in database are compared and parameters are corrected so that units are run under the best parameters and working conditions meanwhile datum are transmitted to monitoring system, and fault diagnosing and optimal controlling system so that fault diagnosing and prewarning are performed in time. Compared with prior technology, auto-controlling, optimal running, safety monitoring, fault diagnosing and forecasting are integrated so that automatic management level of power enterprise is improved. It is provided with large economical and practical value in automatic controlling for production process in power enterprise.

The invention discloses a conjugated pipeline demagnetizer. The conjugated pipeline demagnetizer comprises a switching circuit, a control circuit, a drive circuit and a demagnetizing coil. The switching circuit provides direct current for pipeline demagnetization for the demagnetizing coil. A singlechip is arranged in the control circuit. The drive circuit drives a power switching device in the switching circuit. The switching circuit is formed by sequentially connecting a power grid filter circuit, a first rectification filter circuit, a power conversion circuit, and a second rectification filter circuit. The demagnetizing coil is made from flexible wire and an explosion-proof aviation plug is adopted for connection. The conjugated pipeline demagnetizer has the advantages of high demagnetization and self-shielded characteristic, good adaptability of terminal, and energy conversation and security.

The present invention relates to a Chinese medicine compound preparation for curing stagnation-syndrome of qi and blood. Said Chinese medicine compound preparation is made up by using 5 Chinese medicinal materials of prepared aconite main tuber, prepared wild aconite tuber, earth worm, frankincense and myrrh through a certain preparation process.

The invention discloses walnut milk and a production process thereof. The walnut milk comprises the following components in percentage by weight: 4.5 to 5.2 percent of walnut kernel, 6.5 to 7.5 percent of cane sugar, 0.3 to 0.4 percent of food additive, 0.05 to 0.1 percent of lecithin, 0.04 to 0.05 percent of sodium carbonate and the balance of purified water. The production process for the walnut milk mainly comprises the following steps of: preparing primary pulp of the walnut milk; preparing soup; preparing the walnut milk; inspecting performance indexes of the walnut milk; packaging; inspecting whether the packaging is qualified; sterilizing; cooling; spraying codes; packing and the like. The prepared walnut milk is properly aromatic and sweet, and has high stability, is not added with any chemical components; and on the basis of fully ensuring high nutritional value of the walnut milk, the finished product of walnut milk can be stored for a long time and convenient to eat.

The invention relates to the technical field of harness detection, particularly to a harness tension testing system. The harness tension testing system comprises a first control circuit, a second control circuit, a power supply, a wire connection indicator light, a tension meter, a motor and a harness to be tested, wherein the first control circuit is connected with the tension meter, the motor, awire connection bank, the wire connection indicator light and the power supply; a buzzer is connected between the first control circuit and the wire connection bank and with the second control circuit; the second control circuit is connected with the harness to be tested sequentially through a switch circuit and a current source; the current source is connected with an overcurrent protecting circuit. The harness tension testing system is simple in structure, stable in operation and high in measuring precision, and can measure the maximum tension that a harness can bear in practical productionenvironments to achieve accurate harness type selection, thereby improving the safety performance index of products.

The invention discloses boehmite / inert lithium powder composite slurry, a lithium supplementing negative plate, a preparation method of the boehmite / inert lithium powder composite slurry, a preparation method of the lithium supplementing negative plate, and a lithium ion battery. The boehmite / inert lithium powder composite slurry comprises the following components in parts by weight: 5-15 parts ofboehmite, 1-3 parts of inert lithium powder, 3-8 parts of a binder, 0.01-1 part of a conductive agent and 75-90 parts of a solvent. According to the boehmite / inert lithium powder composite slurry, boehmite is adopted as an inorganic filler for inert lithium powder coating, the lithium supplementing effect of the pole piece can be remarkably improved, the process is simple, the cost is low, and the lithium supplementing uniformity is excellent.

The invention discloses a method for welding and connecting circular seams on an over-sized spanning variable cross-section continuous steel box beam bridge. The method comprises the following steps of: S1. hoisting large segments, accomplishing the primary connection of temporary brackets of corresponding circular seams on the bridge surface, and accomplishing the rough matching on circular seams at joints of the large segments; S2. measuring the temperatures of top and bottom plates of a steel box beam when the temperature is relatively stable at night, and precisely adjusting the axes and the elevations of the large segments by using the temporary brackets when the temperature difference is less than or equal to 2 DEG C; S3. after the axes and the elevations are adjusted in place, precisely adjusting the gap between the circular seams; and S4. after the gap of the circular seams at the joints is adjusted, bolting and welding the circular seams. The method mainly comprises a large segment joint matching method, a high-strength connection sequence, a welding method, a processing method of special working conditions possibly happening in the joint matching process, and the like. According to the method, the technique is advanced, the practicability and the efficiency are realized, the operability is strong and popularization is convenient, the large joint bridge connection can be rapidly accomplished in a short time, and the security index in large bridge construction is effectively improved.

The invention relates to an intelligent label lock for radio frequency identification. Functions of authenticating users, calculating passwords, recording working logs, controlling mechanical transmission and the like are realized. The intelligent label lock is characterized by comprising a main controller, a radio frequency transmitting and receiving circuit, a liquid crystal display circuit, a keyboard circuit, a storage circuit, a position sensing circuit, a motor driving circuit, a boundary scanning port simulation circuit and a power circuit. An electronic label module is arranged in the intelligent label lock; handheld standard reading equipment and the electronic label module can perform wireless data interaction at a near distance; the electronic label module sets and reads a code of a random number and then controls a motor to rotate and move a baffle; and a mechanical key is permitted to be used for locking and unlocking. By the technology, obvious advantages in the reliability, flexibility, economical property and other aspects are realized; the safety index of lock management can be greatly improved; and urgent requirements on the industries of power, municipal administration, finance, logistics and the like are met.

The invention discloses a three-redundancy dual-drive motor control platform and a control method. The platform comprises three independent control channels and two independent driving channels. The method comprises the main control steps of 1, synchronizing the three independent control channels firstly, and ensuring that tasks are executed at the same moment; 2, acquiring two paths of initial control signals of each independent control channel; 3, determining two paths of final control signals of each independent control channel; and 4, carrying out power driving on the controlled motor by using the final control signal to realize control of the motor. In the invention, a motor control system is enabled to have capabilities of detecting and processing internal and external faults from alevel of the motor control platform, reliability of the motor control system is greatly improved, and a situation that the motor control system works with ''problems'' is avoided.

The invention provides a subcritical liquid extraction device and a subcritical liquid extraction method of active ingredients of natural products, relating to a device and a method for extracting active ingredients of natural products. The device comprises a control system part and a leaching system part, wherein the leaching system part comprises an extraction tank 1, an evaporating tank 2, a buffer tank 3, a condenser 4, a solvent tank 5, an ultrasound generating device 11, a vacuum pump 9, a fire arrester 10, a compressor 8, a hot water pump 7 and a hot water box 6; the control system part comprises a leaching temperature controller, a leaching time controller, a leaching frequency controller, a material dissolving ratio controller, an exsolution temperature regulation controller, an exsolution pressure feedback controller, an electric appliance controller of the device and an excess-temperature excess-pressure leaking alarm. The method can select different subcritical extraction media according to different extraction products, combines a subcritical liquid extraction technology and an ultrasonic extraction technology to increase extraction rate and reduce extraction time andis a new high-efficiency low-consumption environment-friendly technology for extracting active ingredients of natural products.

The invention discloses timbering equipment for coal mines. The timbering equipment comprises a front row frame, a rear row frame, a hydraulic thrust cylinder and hydraulic props, wherein the front row frame comprises more than two front row top beams and more than two front row trimmers; the front row trimmers are arranged under the front row top beams side by side; one front row trimmer is connected with more than two front row top beams; the hydraulic props are arranged under the front row frame; the rear row frame comprises more than two rear row top beams and more than two rear row trimmers, wherein the rear row trimmers are arranged under the rear row top beams side by side, one rear row trimmer is connected with the more than two rear row top beams, and the hydraulic props are arranged under the rear row frame; the front row top beams and the rear row top beams are arranged at intervals, and gaps are arranged between the front row top beams and the rear row trimmers adjacent to the forward direction; and one end of the hydraulic thrust cylinder is connected with the front row frame, and the other end of the hydraulic thrust cylinder is connected with the rear row frame. A working surface adopting the timbering equipment has no empty-support phenomenon and has a large area for supporting a top plate.

The invention discloses a thermoelectric power station automatic control system based on artificial intelligence. It includes dispersible control system, virtual DCS simulation system, program controlling system, monitoring information system and malfunction diagnosing and optimizing controlling system; the dispersible control system is connected with the virtual DCS simulation system and program controlling system; the program controlling system process the operating parameters of every machine group transmitted by dispersible control system, and at the same time transmits data to monitoring information system to display, then transmits malfunction diagnosing and optimizing controlling system to have equipment state monitoring, malfunction diagnosing and forewarns. The invention gathers automatic control, optimizing operation, security monitoring and malfunction diagnosing and forecast. It can improves the automated management level of the thermoelectric power station operation, and enhances enterprises' benefit. It has great economic and applied value in the producing process automatic control of the thermoelectric power station.

The invention discloses a remote debugging system capable of conducting remote outage resetting and remote monitoring. The remote debugging system comprises a main control computer and a plurality of remote debuggers; the main control computer is provided with a network connection module, a data transportation module, a switching operation module, a main control RS232 interface and a main control RS485 interface; the main control computer is in communication with the remote debuggers through computer network channels; each remote debugger comprises a network communicator and actuators. The remote debugging system capable of conducting remote outage resetting and remote monitoring has the advantages of being capable of conducting remote outage resetting and remote monitoring on equipment, achieving remote management and status monitoring of the equipment, increasing safety indexes of enterprises, improving work efficiency and the like.

The present invention relates to a dissolvent with effective ingredient extracted from the plant-and-animal raw material and the extraction method thereof. One subcritical fluid extraction solvent includes an extraction solvent of a compound or composition extracted from the raw material containing compound or composition as component element, and the solvent is mainly characterized in that the liquid sulfur hexafluoride works as the extraction solvent. The invention also includes a method for extracting the subcritical fluid extraction solvent. The advantage of the invention is that the extraction and separation of the target component in the natural product are optionally executed to further increase the extraction rate of the intermediate product and the usage factor of the raw material while the unique dissolving character of the sulfur hexafluoride and the mixed solvent thereof to the liposoluble active ingredient is used. The physical features of strong dissolving capacity and low boiling point of the sulfur hexafluoride and the mixed solvent thereof are used to reduce the consumption quantity of the energy source, dissolvent of the system and the cost, and increase the market competition ability of the intermediate product.

The invention relates to a systematic method for improving a taking-off utilization rate of an airport runway. The method comprises: a member of the staff at an operation control center submits an airplane loading capacity in advance, a pilot reports a length of an actually used runway, and the data are stored into a database; according to a taking-off plan, an airport air traffic director carries out numbering on airplanes of all flights based on an runway applying time sequence; within a first minute, an airplane with an FJ1 number is allowed to enter the runway and takes off along an AB direction; within a second minute, an airplane with an FJ2 number is allowed to enter the runway and takes off along a BA direction; and within a third minute, the operation is carried out, and so forth. The method has the following beneficial effects: the runway utilization rate can be doubled on the premise that the safety interval is not reduced. In terms of security, the security index is also high and intervals in all directions are equal.

The invention belongs to the field of computer communication, and discloses an end system-based safety improving method of network data. To-be-sent data is sent from a sending end to a receiving end via processes of host-to-end system copy, end system protocol stack processing, end system scheduling, physical layer and link transmission, receiving end scheduling, receiving end protocol stack processing and copy to a receiving host. According to the invention, without changing an existing hardware circuit, CRC verification is added to each stage of the data transmission, so safety of the network data is improved; and the method is characterized by simple realization, flexible use and low cost.

The invention belongs to the technical field of weed removing, and particularly discloses a stretchable hoe. The stretchable hoe comprises a hoe handle. The hoe handle comprises a fixed rod and a movable rod. A piston cavity is formed in the fixed rod, and a piston rod matched with the piston cavity is arranged on the movable rod; an air bag is arranged on the outer wall of the fixed rod and is bonded to the fixed rod; an air tap is arranged on the air bag, and a one-way valve is installed on the air tap; a ventilating groove communicated with the piston cavity is formed in the fixed rod, and the air tap is located in the ventilating groove. The stretchable hoe has the function that the length of the hoe handle can be adjusted according to the specific condition of an operator.

The invention discloses walnut milk and a process for producing the walnut milk. The walnut milk comprises the following components by weight percent: 3%-5% of walnut seeds, 6.5%-7.5% of sucrose, 0.3-0.4% of food additives, 0.02%-0.04% of walnut essence, 0.04%-0.05% of sodium carbonate and the balance of purified water; and the process for producing the walnut milk mainly comprises the process steps of preparing raw pulp of the walnut milk, preparing material soup, preparing walnut milk liquid, inspecting performance indexes of the walnut milk, packaging, inspecting whether packaging is qualified or not, sterilizing, cooling, spraying a code, packaging and the like. The walnut milk liquid prepared by the process disclosed by the invention is moderate in fragrance and sweetness and high instability, and is free of any harmful chemical component; the walnut milk finished product can be preserved for a long time on the basis of fully ensuring higher nutritional value of the walnut milk and is also convenient to take.

The invention discloses an underground pedestrian passageway based on an inner-outer-ring structure. The underground pedestrian passageway consists of a variable-speed passageway, a constant-speed passageway and a load bearing structure; the constant-speed passageway is circumferentially arranged at the outer side of the load bearing structure; the variable-speed passageway is circumferentially arranged at the outer side of the constant-speed passageway, so that a co-rotating transmission inner-outer-ring structure is formed; the variable-speed passageway consists of three automatic pedestrian passageways of different speeds and a safety walking passageway; the constant-speed passageway consists of an automatic rapid pedestrian passageway; an isolation guard railing and an emergency guard railing are arranged between the variable-speed passageway and the constant-speed passageway, and the emergency guard railing is provided with an emergency switch; a plurality of axial-flow fans and fire smog detectors are arranged in the passageways. The underground pedestrian passageway is more environment-friendly, high-efficient and convenient, so that the short-distance traffic jam problem can be relieved by utilizing the least land resource and the lowest economic cost, the middle-short-distance traveling time is shortened, and the traveling efficiency is improved.

The invention discloses a remote debugging system capable of conducting remote outage resetting and remote monitoring. The remote debugging system comprises a main control computer and a plurality of remote debuggers; the main control computer is provided with a network connection module, a data transportation module, a switching operation module, a main control RS232 interface and a main control RS485 interface; the main control computer is in communication with the remote debuggers through computer network channels; each remote debugger comprises a network communicator and actuators. The remote debugging system capable of conducting remote outage resetting and remote monitoring has the advantages of being capable of conducting remote outage resetting and remote monitoring on equipment, achieving remote management and status monitoring of the equipment, increasing safety indexes of enterprises, improving work efficiency and the like.

The invention relates to an intelligent label lock for radio frequency identification. Functions of authenticating users, calculating passwords, recording working logs, controlling mechanical transmission and the like are realized. The intelligent label lock is characterized by comprising a main controller, a radio frequency transmitting and receiving circuit, a liquid crystal display circuit, a keyboard circuit, a storage circuit, a position sensing circuit, a motor driving circuit, a boundary scanning port simulation circuit and a power circuit. An electronic label module is arranged in the intelligent label lock; handheld standard reading equipment and the electronic label module can perform wireless data interaction at a near distance; the electronic label module sets and reads a code of a random number and then controls a motor to rotate and move a baffle; and a mechanical key is permitted to be used for locking and unlocking. By the technology, obvious advantages in the reliability, flexibility, economical property and other aspects are realized; the safety index of lock management can be greatly improved; and urgent requirements on the industries of power, municipal administration, finance, logistics and the like are met.

The invention provides a preparation method of a resin composition used for preparing a fireproof heat insulation fiber coating. The method comprises the following steps: 1, adding formaldehyde into a reaction kettle, heating formaldehyde to 40-50 DEG C, adding melamine, and carrying out a reaction at 60-70 DEG C for 0.5-3 h; 2, adding a solid content regulator, heating the reaction kettle to 90-98 DEG C, and controlling the solid content of a reaction product to be 25-35%; and 3, adding 1-2% of an osmotic agent, 2-4% of alcohol and 6-9% of tri(2-carboxyethyl)phosphine according to the total mass of the fireproof heat insulation resin, and carrying out pressure infiltration. MF glue is synthesized from a high-protein raw material, and a softener is added to the MF glue, so the problems of shrinkage and decrease of the fireproof performance after water washing are solved, and the high-grade fireproof performance of fabrics is reached.

The invention relates to extraction solvent for extracting effective components from hop raw material and extraction and separation method thereof, wherein, the method for extraction and separation of hop extract and hop essential oil includes following steps as follows: (1) hop is filled in an extraction kettle and when the volume of raw material reaches 30 to 80 percent of that of the extraction kettle, feeding is stopped and a feeding-discharging control valve is closed; (2) a vacuum pump reduces the vacuum degree inside the extraction kettle below 1x10<4>pa to discharge the fixed gas from the kettle; (3) the liquid extract inside a solvent storage tank is fed into the extraction kettle till the hop raw material is completely immersed in the extract; (4) the extraction kettle is heated to maintain the temperature of the kettle between 10 DEG C and 50 DEG C, the extraction pressure between 0.4MPa to 2.0MPa and the extraction time between 40min to 60min and one-off immersion extraction is completed after filtration and separation of solid-liquid phase; (5) mixed liquid is fed into a temporary storage kettle through combined extraction and then is injected into an analytic kettle from the temporary storage kettle through a transfer pump; (6) mixed solution after primary analytic separation is injected into a secondary analytic kettle through the transfer pump to be heated through ajacket type heat exchanger and then is pumped continuously by a vacuum pump set; in addition, in the vacuum state of 1*10<4>pa-5*10<-2>pa, analytic evaporation of entrainer is completed and the entrainer is recycled after condensation by a recovery tank; meanwhile, the mixture of hop extract and hop essential oil is obtained inside the secondary analytic kettle.

The invention provides a data verification and management system for a large-scale comparison test, and belongs to the technical field of large-scale test safety management. According to the method, data acquisition terminals of all remote test participating units and two server terminals of a test bearing unit and a construction unit are deployed, and data receiving and storage in a dual-computer hot standby mode are realized through security control, so that data confidentiality and controllability are improved; a data verification program based on a secure hash algorithm is deployed at a server side, verification of daily test data is completed by using the program, and data verification efficiency is greatly improved while data integrity and availability are guaranteed; the non-repudiation and authenticity of the data are improved by outputting the signature confirmation page in the data verification process and combining with the improvement of the test organization process.

The invention provides a nuclear power plant emergency power system and a power supply control method, which are used to provide power for important equipment in the nuclear power plant when the existing emergency power supply is lost. The system includes: a control detection unit for real-time detection of the working status of the existing emergency power supply The controller is used for the wind and solar energy storage system that provides power to the controller in severe accident conditions; it is used for the water storage energy storage system that executes the water storage energy storage power generation according to the power generation control command of the controller; after receiving the existing When the emergency power supply is in an invalid working state, the water storage and energy storage system is controlled to generate electricity, and the water storage and energy storage system transmits the generated electric energy to the important equipment of the nuclear power plant, and at the same time controls the discharged water as backup cooling water to the reactor core through the water injection circuit. Heat for cooling. As an emergency power supply for a nuclear power plant, the present invention has better economical efficiency and is convenient for overhaul, test and maintenance compared with a scheme in which a diesel engine is used as an emergency power supply; while improving the overall safety index of the nuclear power plant, it also has economical efficiency.