Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

41results about How to "Affect stable operation" patented technology

Coal tar whole-fraction fluidized bed hydrogenation method

The invention relates to a coal tar whole-fraction fluidized bed hydrogenation method which comprises the following steps: (1) heating coal tar whole fraction and mixing with circulation oil of a fluidized bed reactor; (2) mixing the mixture in the step (1) and hydrogen, dissolving the hydrogen, and enabling the mixture to enter a gas-liquid separator; (3) enabling a gaseous phase on the top of the gas-liquid separator in the step (2) to enter a fixed bed hydrogenation reactor from the top of the reactor, and enabling a liquid phase to enter the fluidized bed reactor from the bottom of the reactor so as to carry out a hydrogenation reaction; and (4) arranging a three-phase separator on the upper part inside the fluidized bed reactor in the step (3), discharging the gaseous phase separated from the three-phase separator from the top of the fluidized bed reactor to the fixed bed hydrogenation reactor in the step (3), and taking at least one part of the liquid phase through a circulatory system as the circulation oil in the step (1). Compared with the prior art, the method disclosed by the invention has the advantages that the steady operation problem existing in coal tar whole-fraction fluidized bed hydrogenation can be effectively solved, and the coal tar whole-fraction fluidized bed hydrogenation reaction effect is improved.
Owner:上海竣铭化工工程设计有限公司

Treatment and resource process for high-salt and high-COD wastewater produced from epichlorohydrin production using glycerol method

The invention belongs to an electrodialysis desalination technology, and particularly relates to a treatment and resource method for high-salt and high-COD wastewater produced from epichlorohydrin production using a glycerol method. According to the treatment and resource method, high-salt wastewater to be treated is subjected to electrodialysis to extract the salt in the wastewater, COD is further removed by using a biochemical method, the treated wastewater is reused or is directly discharged, and the extracted salt water is subjected to membrane distillation or multi-effect evaporation concentration crystallization to obtain the industrial salt so as to be recycled. According to the present invention, with the process, the condition that the salt recovered directly through the membranedistillation or multi-effect evaporation concentration crystallization cannot be sold due to the high organic matter content and becomes the solid waste is avoided, and the influence of the too high salinity on the stable operating of the biochemical system is avoided; with the process, the wastewater problem is solved, the water in the wastewater is reused, the salt in the wastewater is subjectedto resource, and methane produced through the biochemical treatment of the organic matter can be used for heating and power generation, such that the application potential is great.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI +1

Low-cost water treatment and recycling method for high-salinity gas field

The invention belongs to the technology of electrodialysis desalination, in particular to a low-cost water treatment and recycling method for a high-salinity gas field. The salt in the wastewater andCOD wastewater in the water of the high-salinity gas field are separated through electrodialysis; the salt easy to form a scale in the wastewater is subjected to double decomposition to form a solublesalt; the mixed salt in the wastewater is salted out and concentrated through monovalence and bivalence selective electrodialysis; the salt water extracted through the above method is further subjected to membrane distilling, mechanical steam recompression, or multiple-effect evaporation, concentration and crystallization to recycle the industrial salt, the COD in the extracted COD wastewater isfurther removed through a biochemical process, and then the wastewater is recycled and discharged. In the process, that the salt recycled by directly using membrane distilling, mechanical steam recompression, or multiple-effect evaporation, concentration and crystallization cannot be sold due to high organic content, can be avoided, the condition that the recycled salt is the mixed salt and becomes a solid waste is avoided, and the defect that the salinity is too high to affect the stable operation of a biochemical system is also avoided. The method not only solves the problem of wastewater, but also recycles the water and the salt in the wastewater, and the application potential is huge.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI

Automatic tin soldering production line

The invention discloses an automatic tin soldering production line which comprises a machining table, main machine boxes are arranged on the two sides of the rear end face of the machining table, a plurality of tin soldering machine boxes are arranged at the positions, between the main machine boxes, of the rear end face of the machining table, and attaching bottom plates are arranged at the positions, corresponding to the tin soldering machine boxes, of the front end face of the machining table. A small fan is arranged in a fixing circular groove, an air guide pipe is arranged in the middle of the front end face of a fixing plate, a collecting pipe is arranged at the bottom of the air guide pipe, and an air outlet pipe is arranged in the middle of the front end face of the collecting pipe. According to the automatic tin soldering production line belonging to the field of tin soldering processing, the attaching bottom plate and the fixing plate convenient to disassemble and assemble are arranged in front of the machining table, the small fan and the air guide pipe are installed through the fixing plate, and the collecting pipe and the air outlet pipe are arranged in cooperation with the air guide pipe, so that pollution gas generated during tin soldering machining can be effectively discharged, the air quality in a production line area is guaranteed, and the body health of operators is prevented from being damaged.
Owner:深圳市镱豪金属有限公司

Test system of distribution automation feeder terminal

The embodiment of the invention relates to the technical field of power distribution automation, and discloses a test system of a distribution automation feeder terminal. The test system comprises a power distribution network simulation device and a signal conversion device. The power distribution network simulation device is used for constructing a simulation mathematical model according to the topological structure of an actual power distribution network, and the mathematical model is used for simulating faults in the actual power distribution network, simulating simulation signals generated by monitored simulation modules in the power distribution network simulation device and outputting the simulation signals to the signal conversion device. The signal conversion device converts the simulation signals into test signals compatible with a distribution automation feeder terminal and transmits the test signals to the distribution automation feeder terminal, and the distribution automation feeder terminal generates a control protection instruction for protecting the simulated power distribution network according to the test signals. By adopting the test system in the embodiment, the accuracy of FTU testing can be improved, and the requirement of FTU testing for the environment is reduced.
Owner:SHANGHAI KELIANG INFORMATION ENG

A kind of coal tar full-fraction ebullating bed hydrogenation method

The invention relates to a coal tar whole-fraction fluidized bed hydrogenation method which comprises the following steps: (1) heating coal tar whole fraction and mixing with circulation oil of a fluidized bed reactor; (2) mixing the mixture in the step (1) and hydrogen, dissolving the hydrogen, and enabling the mixture to enter a gas-liquid separator; (3) enabling a gaseous phase on the top of the gas-liquid separator in the step (2) to enter a fixed bed hydrogenation reactor from the top of the reactor, and enabling a liquid phase to enter the fluidized bed reactor from the bottom of the reactor so as to carry out a hydrogenation reaction; and (4) arranging a three-phase separator on the upper part inside the fluidized bed reactor in the step (3), discharging the gaseous phase separated from the three-phase separator from the top of the fluidized bed reactor to the fixed bed hydrogenation reactor in the step (3), and taking at least one part of the liquid phase through a circulatory system as the circulation oil in the step (1). Compared with the prior art, the method disclosed by the invention has the advantages that the steady operation problem existing in coal tar whole-fraction fluidized bed hydrogenation can be effectively solved, and the coal tar whole-fraction fluidized bed hydrogenation reaction effect is improved.
Owner:上海竣铭化工工程设计有限公司

High-temperature waste gas deodorization treatment system

The invention discloses a high-temperature waste gas deodorization treatment system which is characterized by comprising a dust removal device, a condensation device, a deodorization spraying device,a biological deodorization device and a discharge chimney. Sludge drying high-temperature waste gas sequentially passes through the dust removal device, the condensation device, the deodorization spraying device and the biological deodorization device and then is discharged from the discharge chimney. High-temperature waste gas generated by a municipal sludge drying system enters the dust removaldevice under the action of an induced draft fan, and dust carried in the waste gas is removed in the dust removal device; the waste gas subjected to dust removal enters the condensation device, the temperature of the waste gas is reduced to 45-50 DEG C suitable for microorganisms under the action of circulating cooling water, and stable operation of subsequent biological deodorization is guaranteed; then the waste gas enters the deodorization spraying device, and hydrogen sulfide and odor in the waste gas are removed through chemical spraying; the sprayed waste gas enters the biological deodorization device, and hydrogen sulfide, ammonia and odor in the waste gas are further removed under the action of microorganisms; and finally, the up-to-standard waste gas is discharged through the chimney.
Owner:广州中科建禹环保有限公司

Plug-and-play distributed estimation method for running state of high-speed train

ActiveCN112637805AHeavy communication burdenLow communication bandwidth requirementsParticular environment based servicesNetwork topologiesIn vehiclePlug and play
The invention discloses a plug-and-play distributed estimation method for the running state of a high-speed train. The method comprises the following steps: considering the condition that the high-speed train formation has inter-vehicle communication, analyzing the actual configuration condition of vehicle-mounted sensors of the high-speed train and the inter-vehicle information interaction condition, starting from an actual kinematics model of the high-speed train, constructing a running state space model of a high-speed train formation system, carrying out the state visibility analysis on the train formation state information, combining a leader following consistency strategy and a plug-and-play strategy, and enabling each train to estimate the current running state of the train formation in real time by utilizing local sensor measurement information of each train and communication interaction information with neighbor trains. According to the method, the defects of a centralized estimation method are overcome, it can be theoretically guaranteed that the high-speed train formation effectively monitors the train running state in real time under the conditions that the high-speed train formation is influenced by vehicle characteristics, passenger capacity and other factors and emergencies exist, and a guarantee is provided for cooperative and safe running of trains.
Owner:ZHEJIANG UNIV

Hydrogen fuel cell waste heat utilization system

The embodiment of the invention discloses a hydrogen fuel cell waste heat utilization system. The hydrogen fuel cell waste heat utilization system comprises a hydrogen storage tank, a gasification device, a pressurization device, a fuel cell pack, a three-way electromagnetic valve, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a first heat exchanger, a water drawing pump, a fifth pipeline, a circulating pump and a controller. An outlet of the hydrogen storage tank is communicated with an inlet of the gasification device, an outlet of the gasification device is communicated with an inlet of the pressurizing device, and an outlet of the pressurizing device is communicated with a gas inlet of the fuel battery pack; a water outlet of the fuel battery pack is communicated with the first pipeline, and the first pipeline is communicated with a water inlet of the three-way electromagnetic valve. The hydrogen fuel cell waste heat utilization system can effectively utilize the space on a ship, a hydrogen fuel cell is cooled by cooling water, and the energy efficiency of the hydrogen fuel cell is improved.
Owner:上海杰宁新能源科技发展有限公司

Photoetching machine motion table system

The invention discloses a photoetching machine motion table system which comprises a base and a motion table located above the base. Anti-expansion covers are installed at the two sides of the upper surface of the base, each anti-expansion cover is of a two-side ventilation structure, and side-by-side air collecting assemblies are installed in the anti-expansion covers. Each air collecting assembly comprises a middle shaft fixed in the corresponding anti-expansion cover, a mounting cylinder is rotationally installed outside the circumference of the middle shaft, and fan blades are uniformly mounted outside the mounting cylinder. According to the present invention, by arranging the air collecting assemblies, the fan blades can be pushed by the airflow generated in the movement process of the movement table, so that the fan blades and the mounting cylinder can rotate, the airflow can be consumed, and the situation that the airflow expansion influences the operation of an external sensor, can be avoided. According to the present invention, a hollow-out part is arranged on the base, part of airflow can overflow out of the hollow-out part, the situation that the airflow affects the operation of the base and the sensor on the motion table is further avoided; by arranging the vibration reduction rubber, the stable operation of the motion table is guaranteed.
Owner:上海图双精密装备有限公司

Power distribution network court data communication processing system

The invention provides a power distribution network court data communication processing system; a court monitoring server receives power distribution data acquisition request information sent by a power distribution monitoring terminal, the information is analyzed into requested power distribution data in a preset format, and the requested power distribution data in the preset format is sent to acourt data acquisition device; the court data acquisition device receives the requested power distribution data in the preset format and reads the power distribution data in a memory; the power distribution data is analyzed according to the preset format agreed with the court monitoring server, the power distribution data is packaged according to a power distribution data form suitable for the power distribution monitoring terminal, and the packaged power distribution data is sent to the power distribution monitoring terminal through the court monitoring server. Monitoring personnel can obtainthe states of the power distribution network and the power distribution equipment according to the information received by the power distribution monitoring terminal, know the stability of the powerdistribution court in any time period, and configure the court information according to the state of the data in each time period.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

An anti-channeling shaft device for a mechanically driven grate cooler

The invention discloses a shaft displacement prevention device for a mechanical transmission type grate cooler. The device comprises a base, mounting mechanisms are arranged at the two ends of the base, a rotating shaft and an auxiliary shaft are movably arranged between the two mounting mechanisms through bearings correspondingly, fixing discs are fixedly arranged on the outer sides of the two ends of the middle of the auxiliary shaft, a baffle is fixedly arranged on the outer side of the middle of the rotating shaft, the baffle is arranged between the two fixing discs, and fixing mechanismsare arranged at the two ends of the rotating shaft and the auxiliary shaft. According to the device, the auxiliary shaft is driven to rotate through a gear while the rotating shaft rotates, meanwhile,a ball is driven to rotate while rotating, then lubricating oil on the inner side of an oil box is brought to the bearing where the rotating shaft is located and the bearing where the auxiliary shaftis located through the ball for lubricating and cooling, so that the situation that the bearings are damaged and broken due to the facts that rotating is performed for a long time and the lubricatingoil is not provided for lubricating and cooling and other problems occur, so that the production efficiency is reduced is avoided.
Owner:NANJING RUITAI CEMENT MFG EQUIP CO LTD

High-stability remote operation and maintenance system for intelligent factory and use method of high-stability remote operation and maintenance system

The invention discloses a high-stability remote operation and maintenance system for an intelligent factory and a use method of the high-stability remote operation and maintenance system, and belongs to the technical field of intelligent factories. A high-stability remote operation and maintenance system for an intelligent factory comprises an operation and maintenance equipment body, a plurality of uniformly distributed data line interfaces are formed in the operation and maintenance equipment body, a mounting plate is arranged on the operation and maintenance equipment body, the mounting plate is arranged on the outer sides of the data line interfaces, and a plurality of movable grooves matched with the data line interfaces are formed in the mounting plate. A clamping plate is fixedly arranged in each movable groove, the clamping plate is sleeved with a movable frame, and a first elastic telescopic rod is arranged between the clamping plate and the movable frame; the data line is clamped through the clamping seat, the data line is prevented from falling off and loosening easily in the use process, when the data line is separated from the connection port, the port of the operation and maintenance equipment body can be shielded, external water vapor and dust are prevented from entering the port, and then the stability of data transmission of the operation and maintenance management equipment is guaranteed.
Owner:张家鑫

Aluminum electrolysis process adjusting method

The invention discloses a method for adjusting an aluminum electrolysis process, which can pre-judge the running trend of an electrolytic cell according to the magnitude of a voltage deviation value V deviation and a voltage noise deviation value N deviation, and further adopts a corresponding regulation and control means for the electrolytic cell, so that regulation and control can be carried out before the electrolytic cell fluctuates, the electrolytic cell is prevented from generating relatively large fluctuation, and the service life of the electrolytic cell is prolonged. The stable operation of the electrolytic bath is influenced; according to the method, the cell temperature, the electrolyte level, the aluminum level and the aluminum oxide blanking over-under ratio of the electrolytic cell are used as the judgment basis for judging whether the electrolytic cell is in the cold stroke or the hot stroke, the operation condition of the electrolytic cell can be comprehensively judged, and compared with judgment through a single parameter, the judgment result is more objective, reasonable and accurate; according to the method, the working voltage, the aluminum fluoride blanking condition and the aluminum discharge task load are taken as regulation objects instead of singly regulating the working voltage, so that the operation economy of the electrolytic cell can be improved on the premise of ensuring that the electrolytic cell is quickly regulated to a stable operation state.
Owner:包头铝业有限公司 +1

Control method and device of electrolytic cleaning vertical tank liquid level at high-speed cleaning segment

The invention provides a control method and device of an electrolytic cleaning vertical tank liquid level at a high-speed cleaning segment. According to the position of an electrolytic plate, the lowest work liquid level of an electrolytic cleaning vertical tank is determined; according to the height of an overflow hole, the highest work liquid level of the electrolytic cleaning vertical tank is determined; the actual liquid level of the electrolytic cleaning vertical tank is obtained; whether the actual liquid level meets the reversed condition or not is judged, according to the actual liquidlevel, the opening degree of a work valve is controlled; regulation control over the liquid level reduction speed is achieved, it is ensured that the liquid level floats in the highest and lowest work liquid level, the phenomenon that the liquid level is too high, overflowing from the overflow hole is caused, and liquid leaking is caused is avoided, or the technical problem that the liquid levelis too low, the electrolytic plate is powered down, strip steel quality is affected, and seriously, the stable running of a unit is affected is solved. The technical problem that in the prior art, under the condition that the electrolytic cleaning vertical tank is in the high-speed cleaning, the phenomenon that the vertical electrolytic cleaning tank liquid level is too high or too low is prone toappearing, and the unit stable running is affected is solved.
Owner:SHOUGANG JINGTANG IRON & STEEL CO LTD

A data communication processing system for distribution network station area

The present invention provides a data communication processing system for a power distribution network station area. The station area monitoring server receives the distribution data acquisition request information sent by the distribution monitoring terminal, parses the information into the requested distribution data in a preset format, and then converts the pre-set The requested power distribution data in the set format is sent to the station area data acquisition device; the station area data acquisition device receives the requested power distribution data in the preset format, and reads the power distribution data in the storage; according to the agreement with the station area monitoring server The preset format analyzes the power distribution data, encapsulates the power distribution data according to the power distribution data format applicable to the power distribution monitoring terminal, and sends the encapsulated power distribution data to the power distribution monitoring terminal through the station area monitoring server. According to the information received by the power distribution monitoring terminal, the monitoring personnel can obtain the status of the power distribution network and power distribution equipment, know the stability of the distribution station area in any time period, and configure the station area according to the state of the data in each time period information.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Aluminum material pneumatic precise cutting machine

ActiveCN111761398AWill not affect the function of automatic feedingAffect stable operationLarge fixed membersMetal working apparatusEngineeringKnife blades
The invention relates to the technical field of cutting devices, and discloses an aluminum material pneumatic precise cutting machine. The aluminum material pneumatic precise cutting machine comprisesa base disc, a workbench is fixedly mounted at the top of the base disc, a power seat is fixedly mounted at the top of the workbench, a cutting blade is fixedly mounted at the output end of the powerseat, an external protective cover matched with the cutting blade is fixedly mounted on the side face of the power seat, a rotating table is fixedly mounted at the bottom of an inner cavity of the workbench, and an outer sleeve seat is fixedly mounted on the outer surface of the rotating table. According to the aluminum material pneumatic precise cutting machine, through cooperation of the rotating table, the outer sleeve seat, a fastening disc and an adjusting bolt, the cutting machine is divided into a cutting part and a feeding part, so that the angle between automatic feeding equipment and the cutting blade is freely adjusted in the process of cutting the aluminum material through the aluminum material cutting machine, and therefore, when the cutting angle of the device is adjusted, the automatic feeding function of the device is not influenced.
Owner:益昌铝制品(太仓)有限公司

Shaft displacement prevention device for mechanical transmission type grate cooler

The invention discloses a shaft displacement prevention device for a mechanical transmission type grate cooler. The device comprises a base, mounting mechanisms are arranged at the two ends of the base, a rotating shaft and an auxiliary shaft are movably arranged between the two mounting mechanisms through bearings correspondingly, fixing discs are fixedly arranged on the outer sides of the two ends of the middle of the auxiliary shaft, a baffle is fixedly arranged on the outer side of the middle of the rotating shaft, the baffle is arranged between the two fixing discs, and fixing mechanismsare arranged at the two ends of the rotating shaft and the auxiliary shaft. According to the device, the auxiliary shaft is driven to rotate through a gear while the rotating shaft rotates, meanwhile,a ball is driven to rotate while rotating, then lubricating oil on the inner side of an oil box is brought to the bearing where the rotating shaft is located and the bearing where the auxiliary shaftis located through the ball for lubricating and cooling, so that the situation that the bearings are damaged and broken due to the facts that rotating is performed for a long time and the lubricatingoil is not provided for lubricating and cooling and other problems occur, so that the production efficiency is reduced is avoided.
Owner:NANJING RUITAI CEMENT MFG EQUIP CO LTD

Land surveying and mapping system based on Internet of Things technology

The invention discloses a land surveying and mapping system based on the Internet of Things technology, which comprises a box body, a box cover and a mounting piece, a control bin is arranged at one end in the box body, a GPS positioning module is arranged in the control bin through a clamping groove, one end of the GPS positioning module is provided with a processor through a rubber limiting seat and a screw, and the other end of the GPS positioning module is provided with a wireless communication module. Water absorption cotton is bonded to one side of the inner wall of the control bin through curing glue, a single-chip microcomputer controller is installed on one side of the water absorption cotton through a limiting piece and a screw, a humidity sensor is connected to one end of the single-chip microcomputer controller through a screw, and a self-temperature-limiting electric tracing band is installed at the lower end of the humidity sensor through a ceramic fixing buckle; one end of the box body is provided with a display screen through a display frame and screws. The land surveying and mapping system is high in measurement precision and good in stability, has humidity detection and drying functions, is obvious in heat insulation and waterproof effects, and is suitable for wide popularization and application.
Owner:宋双玲

Loosening alarming and tire pressure monitoring sensor for tire burst emergency safety device

PendingCN113829807AImprove driving safety performanceImprove stabilityTyre measurementsDriving safetyReal-time computing
The invention discloses a loosening alarming and tire pressure monitoring sensor for a tire burst emergency safety device, and relates to the technical field of tire burst emergency safety and tire burst monitoring. The loosening alarm and tire pressure monitoring sensor comprises a wheel carrier, outer tire bodies are fixedly connected to the two ends of the circumferential outer wall of the wheel carrier, an inner tire emergency mechanism is arranged at the middle end of the circumferential outer wall of the wheel carrier, a plurality of air pressure monitoring sensors distributed in an annular array are arranged at one end of the circumferential outer wall of the wheel carrier, the inner tire emergency mechanism comprises a plurality of inner tube bodies fixedly installed at the middle end of the circumferential outer wall of the wheel carrier and distributed in an annular array, and a plurality of inflation shells which are distributed in an annular array mode and communicate with the inner tire body are fixedly installed at the other end of the circumferential outer wall of the wheel carrier. After it is monitored that the tire bursts, the inner tire is inflated in time to abut against the inner wall of the outer tire, stable supporting is formed, an automobile can run in emergency, and the driving safety performance is improved.
Owner:厦门华聚物联技术有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products