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50results about How to "Eliminate accidents" patented technology
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Comprehensive pipe gallery equipment state monitoring and management system
PendingCN110428135AComprehensive and timely information serviceImprove operational efficiencyRegistering/indicating working of machinesHardware monitoringTime informationData warehouse
The invention discloses a comprehensive pipe gallery equipment state monitoring and management system which is characterized by comprising a comprehensive pipe gallery layer system and a city-level system. According to the invention, a real-time database, a data warehouse and an intelligent platform tool are used as key technical means; a centralized and unified integration and sharing platform isprovided for various real-time information and production management information; a comprehensive pipe gallery equipment state unified centralized monitoring system is established; real-time information and business information based on manual work are effectively collected, converted, integrated, loaded and displayed, and more comprehensive and timely information services are better provided forvarious business fields such as comprehensive pipe gallery production operation commanding, emergency disposal, gallery entry professional pipeline operation management and state maintenance.
Owner:SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP +1
Heat exchanging station intelligent network control system
ActiveCN103759330AImprove efficiencyImprove securityLighting and heating apparatusSpace heating and ventilation detailsBasic premiseEngineering
The invention discloses a heat exchanging station intelligent network control system and belongs to heating heat exchanging equipment, especially program control systems of a heat exchanging station. The heat exchanging station intelligent network control system comprises heat exchanging station local control systems, communication lines and a remote monitoring system. Each heat exchanging station control system mainly comprises a pressure sensor, a temperature sensor, a flow sensor, a liquid level sensor, an outdoor temperature sensor and an intelligent controller. The remote monitoring system comprises a server, an engineer station, an operator station and displaying, printing and inputting equipment. The remote monitoring system is connected with the multiple heat exchanging station local control systems through the communication lines. The heat exchanging station intelligent network control system detects various parameters of heat exchanging stations, the parameters are compared with standard data models, computing is carried out, under the basic premise that the using requirement is guaranteed, each heat exchanging station is adjusted and controlled, energy loss is lowered, and heat exchanging system operation efficiency is improved.
Owner:山东鲁润热能科技有限公司
Sacrificial anode and protective cathode-oil-well pump anti-corrosive apparatus
InactiveCN101397672AReduce consumptionEliminate accidentsFlexible member pumpsPositive-displacement liquid enginesZinc metalThermal insulation
The invention relates to a corrosion resistant device for an oil well pump which utilizes a sacrificial anode to protect a cathode. The corrosion resistant device utilizes the principle of protecting the cathode by sacrificing the anode in electrochemistry and takes zinc, lead, magnesium and other active metals as the anode of the oil well pump. The production method is as follows: the nipple of the oil well pump is processed according to the technical specification of the oil well pump firstly and the length of the nipple is 400mm to 500mm; then the nipple is put into a specially designed rod cavity; magnesium or aluminium or zinc metal blocks are converted into liquid by heating and melting and then cast into the nipple cavity of a special oil well pump; and shaping, thermal insulation, slow cooling, mold unloading and mechanical processing are carried out, a coarse blank is processed into a smooth revolution body, thread at the two ends of the oil well pump is processed, and collars are installed, therefore, the anode assembly of the oil well pump is formed. The instillation method is as follows: during the process of putting down the oil well pump, the anode of the pumping rod is connected in series with the collar at the lower end of the oil well pump and collar is screwed.
Owner:HENAN XINYU PETROLEUM MACHINERY MFG
Seepage drainage method for tailing dam and seepage drainage pipe for use therein
ActiveCN1963040AEliminate accidentsEliminate safety hazards such as dam failuresExcavationsSoil preservationTailings damOutcrop
The invention discloses a eliminating outcrop water method of tailing dam and it includes the following steps: drilling hole: drilling hole as required depth, angle and direction in the tailing dam to forming the pore path leading to the top of the dam from the lower; pulling the tubes: pulling the specially-produced drainage pipes into the pore path drilled in the tailing dam; decortication: taking off the outer layer of protective layer of drainage pipes. The specially-produced drainage pipes of the method comprise of the body pipe, the gauze and the protective layer which are prepared out the body pipe one by one, said body pipe is equipped with percolating water groove along the axial center direction of pipe body uniformly and the bottom of percolating water groove is equipped with percolating water holes which reach the inner of pipe body discontinuously. The invention is facilitating to construction, the effect of drainage is fine and it is good for eliminating the hidden danger of the tailings dam is in danger, cave-in collapse and breaking.
Owner:付文堂
Intelligent railway tunnel ice melting device
InactiveCN103046440ASolve the de-icing problemFully automatedClimate change adaptationRailway tracksRailway tunnelContact network
The invention provides an intelligent railway tunnel ice melting device, which aims to solve the problem of icing caused by water seepage in railway tunnels in winter, and prevents the line accidents such as shortened insulation distance between a contact network and a tunnel wall, frequent tripping in substations and burnt cables of the contact network and the like caused by the problem of icing. The intelligent railway tunnel ice melting device consists of an electric control cabinet and an electric heating plate and is mainly applied to deicing the tunnel wall. According to the intelligent railway tunnel ice melting device, electrical energy is directly converted into heat energy through the electrical heating plate, heat is uniformly spread at water seeping positions on the tunnel wall in a manner of high-temperature radiation, seeping water is heated and drops down along the plate surface in the form of liquid water, and icing cannot be formed. The intelligent railway tunnel ice melting device realizes an intelligent self-starting temperature-control deicing function. The intelligent railway tunnel ice melting device has the characteristics of small volume, high thermal efficiency, quick and firm assembly, convenience for operation and the like; the electric control cabinet can control 1 to 5 groups of electric heating plates; and users can freely select the using quantity of the electric heating plates according to the sizes of water seeping gaps, so that the intelligent railway tunnel ice melting device is flexibly used, is convenient to match and can be widely applied to the field of ice melting of the electrified railway tunnels.
Owner:CHUANTIE ELECTRIC TIANJIN GRP
Method and machine for cutting and rubbing forage grass
InactiveCN103125219AEasy to use electricityIncrease the rate of broken stem nodesFeeding-stuffCrop conditionersLivestock breedingEngineering
The invention relates to the field of agricultural machinery, in particular to a method and a machine for cutting and rubbing forage grass used for ensiling and machining of the livestock breeding industry. The machine for cutting and rubbing the forage grass is composed of a rack (19), a gearbox (16), an automatic feeding device (6), a cutting and rubbing chamber (7), a thrower shell (11) and a discharge port (9). The machine can be used for cutting or rubbing operation on all kinds of dry (fresh) forage grass, crop straw and the like. When feed blocking happens in the operating process, a first operating arm (33) on the gearbox (16) is placed into a neutral gear, a second operating arm (31) is placed into a reverse gear, then automatic feed returning can be achieved, and the accident is removed. The machine is easy to operate and high in safety. In the rubbing operation, the breaking ratio of stem joints of materials is promoted, the rubbing effect is good, the rubbed forage grass is convenient to eat for animals, and the ingestion ratio is promoted.
Owner:CHINA AGRI UNIV
Sacrificial anode and protective cathode-oil pipe anti-corrosive apparatus
InactiveCN101397671AReduce consumptionEliminate accidentsDrilling rodsDrilling casingsThermal insulationZinc metal
The invention relates to an oil pipe which can prevent metal corrosion. The oil pipe utilizes the principle of protecting a cathode by sacrificing an anode in electrochemistry and takes zinc, lead, magnesium and other active metals as the sacrificial anode which is designed into the anode of the oil pipe. The production method is as follows: the nipple of the oil pipe is processed according to the technical specification of the oil pipe firstly and the length of the nipple is 400mm to 500mm; then the nipple is put into a specially designed rod cavity; magnesium or aluminium or zinc metal blocks are converted into liquid by heating and melting and then cast into the nipple cavity of the oil pipe; and shaping, thermal insulation, slow cooling, mold unloading and mechanical processing are carried out, a coarse blank is processed into a smooth revolution body, thread at the two ends of the oil pipe is processed, and collars and joints of the oil pipe are installed, therefore, the anode assembly of the oil pipe is formed. When being installed and put into a well, a group of oil pipe anodes are assembled according to the length of every 60m to 80m and the installation method is as follows: during the process of putting down the oil pipe, the anode of the oil pipe is connected in series on a rod string and the up and down collars and thread are screwed.
Owner:HENAN XINYU PETROLEUM MACHINERY MFG
Paraffin-prevention and viscosity-reduction rectifier of oil field flowing well
PendingCN105909204AAchieve decentralizationRealize the shielding effectCleaning apparatusVibration devicesWaxPhase mixing
A paraffin-prevention and viscosity-reduction rectifier of an oil field flowing well is suitable for extracting oil from an oil field high-pressure well, and the long-standing, big and difficult problem that paraffin and scale of a flowing well are scraped and removed through manual work since the beginning of the oil exploitation history is solved. The rectifier is a tubular tool and mounted in the position about one thousand meters under a paraffin-troubled well section of the well. A first-level vortex rectifier body, an impinging stream phase mixing device, a second-level vortex rectifier body, an impact type acoustic oscillator and a third-level vortex rectifier body are mounted in the rectifier from bottom to top, a large-cluster laminar-flow condensed phase state of flowing oil, gas and water can be treated to form a fine-cluster milky eddying turbulence phase state, all heterogeneous components are made to wrap one another, refining, scattering and shielding of paraffin crystals and scale crystals are achieved, the physical state, the physical property, the flow state and the flow speed of produced liquid are optimized, and the phenomenon that the well is blocked by gathered paraffin and scale crystals on the oil tube wall is fundamentally eliminated; and meanwhile, the viscosity of the produced liquid is greatly lowered, the in-well burble procedure is effectively prolonged, manual paraffin and scale scraping and removing are omitted, workover treatment is reduced, oil extraction cost is lowered, and production and efficiency are improved.
Owner:邓海波
Sacrificial anode and protective cathode-pumping rod anti-corrosive apparatus
InactiveCN101397670AReduce consumptionEliminate accidentsDrilling rodsDrilling casingsThermal insulationCorrosion
The invention relates to a pumping rod which can prevent metal corrosion. The pumping rod utilizes the principle of protecting a cathode by sacrificing an anode in electrochemistry and takes zinc, lead, magnesium and other active metals as the sacrificial anode which is designed into the anode of the pumping rod. During production, the nipple of the pumping rod is processed according to the technical specification of the pumping rod firstly and the length of the nipple is 400mm to 500mm; then the nipple is put into a specially designed rod cavity; magnesium or aluminium or zinc metal blocks are converted into liquid by heating and melting and then cast into the nipple cavity of the pumping rod; and shaping, thermal insulation, slow cooling, mold unloading and mechanical processing are carried out, a coarse blank is processed into a smooth revolution body, thread at the two ends of the pumping rod is processed, and collars are screwed, therefore, the anode assembly of the pumping rod is formed. When being installed and put into a well, a group of pumping rod anodes are assembled according to the length of every 60m to 80m and the installation method is as follows: during the process of putting down the pumping rod, the anode of the pumping rod is connected in series on a rod string and the up and down collars and thread are screwed.
Owner:HENAN XINYU PETROLEUM MACHINERY MFG
Clutch type safe switchover hand wheel mechanism of pneumatic actuator
ActiveCN102788192AAvoid damagePrevent damage from consequencesOperating means/releasing devices for valvesPreventing unauthorised/accidental actuationType safetyGear transmission
The invention discloses a clutch type safety switchover hand wheel mechanism of a pneumatic actuator. The clutch type safety switchover hand wheel mechanism mainly comprises a hand wheel, a switchover handle, a box body, a box cover and a worm and gear transmission device which is arranged in an inner cavity formed by the box body and the box cover, the hand wheel is moved and turned, worms located in two eccentric half shafts are swirled, so that an output shaft located on a worm wheel can be driven to rotate, and a manual driving of a valve device can be achieved by the hand wheel mechanism. The switchover handle is swirled to a manual position, and an integrated safety protective device, namely a gas source pipeline which can automatically shut down pneumatic control, is located on the eccentric half shafts so as to prevent mechanism damages caused by the fact that the gas source is suddenly switched on due to operation faults. Compared with traditional safety devices, the clutch type safety switchover hand wheel mechanism has the advantages that the integration and the safety are high, and the operation is reliable.
Owner:浙江鼎锋流体自控设备有限公司
Automobile structure for preventing sliding back
InactiveCN102343808AEasy to operateEliminate cumbersome operationsControl devicesNew energyTraffic accident
The invention discloses an automobile structure for preventing sliding back, which comprises a transmission output spindle of an automobile transmission, an orientating clip for preventing sliding back, an inclined concave-convex slot of the orientating clip for preventing sliding back, a circular base for the inclined concave-convex slot of the orientating clip for preventing sliding back, a returning spring, a fixed shell, an inhaul cable oil seal, a fixed hole, and the like, wherein the directions of the orientating clip for preventing sliding back and the inclined concave-convex slot of the orientating clip for preventing sliding back are only confined to a direction of forward motion of an automobile driven by an engine output and are blocked in reverse direction. The automobile structure provided by the invention has the following beneficial effects: when the automobile is stopped or started, if the automobile is in a forward gear, the automobile can only move forwards and cannot move back; when the automobile is uphill started, if the gear is suitable, the automobile is started as easy as on a level road and a downward slope; various traffic accidents caused by the sliding back under the influence of unsuitable operations of a driver are avoided, thereby realizing easily driving of the driver, saving oil and protecting environment, enhancing the safety of uphill starting, reducing abrasions of a braking friction part and a clutch, and meanwhile reducing waste gas pollution; and the automobile structure is simple in structure, is low in cost, is suitable for improving, mounting and preventing sliding back for various new and old automobiles and various new energy powered automobiles, and is beneficial to wide popularization and application.
Owner:傅银华
Coating device
ActiveCN102671810AEliminate accidentsPrevent intrusionLiquid surface applicatorsCoatingsSpray nozzleViscous liquid
The invention provides a coating device capable of completely stopping the air invasion of connecting parts of a fluid conveying pipe mechanism and an accepting container or a pressurized tank, etc. The coating device is provided with pressurized tank, a compressed air feed mechanism for supplying compressed air for the pressurized tank, a plastic container arranged in the pressurized tank, a fluid conveying pipe mechanism with one end communicating with an open part of the plastic container and a coating nozzle mechanism connecting with the other end of the fluid conveying pipe mechanism. The plastic container possesses a plastic container main body, a long strip flow component and a sealing inserting mechanism. The plastic container main body is flexible and is provided with a wide opening part, the inner of which is filled with viscous liquid which is pressured and flattened to pressure eject from the opening part. The long strip flow component is arranged in the opening part in a way of extending in the plastic container main body and forms an ejection flow path when the viscous liquid is pressured to eject.
Owner:CEMEDAINE CO LTD
Intelligent monitoring system and data collecting method thereof
InactiveCN109495551ATimely discovery of on-site safety hazardsEliminate accidentsMeasurement devicesData switching networksIntelligent lightingComputer monitoring
The invention relates to the technical field of computer monitoring, in particular to an intelligent monitoring system and a data collecting method thereof. The monitoring system comprises N monitoring modules, N centralized control devices, a monitoring terminal, and a mobile query terminal, wherein the centralized control devices and the mobile query terminal establish IP connections with the monitoring terminal through a communication network core IP network and the Internet; the monitoring modules comprise a sensor, an actuator, a collector, a single chip microcomputer, and a converter; the centralized control devices comprise components such as a centralized controller, a data controller and a memory; the monitoring terminal comprises a database server; and the mobile query terminal comprises equipment such as a mobile phone and an IPAD. The system provided by the invention enables the monitoring personnel to remotely send and receive the early warning information sent by the monitoring terminal through the mobile query terminal at any time and any place, finds the on-site security hidden state more timely than the existing monitoring system, and remotely takes effective measures to eliminate the accident, which has the advantages such as simple structure, easy operation, and large-scale application.
Owner:GUANGXI UNIV FOR NATITIES
Kinetic energy feedback voltage interruption protection system and method for magnetic levitation bearing
ActiveCN110417334AAvoid damageImprove reliabilityAC motor controlElectric motor controlTransformerDisplacement control
The invention provides a kinetic energy feedback voltage interruption protection system and method for a magnetic levitation bearing, and relates to the technical field of magnetic levitation. The system comprises a three-phase AC power supply, a frequency converter, a transformer, a rectifier, a Boost booster, a displacement controller, a displacement sensor, a power switching device and a magnetic levitation motor. According to the system, the DC voltage value required by the displacement controller is obtained directly by the three-phase alternating current after step-down and rectifying treatment for supplying power to the displacement controller when the power supply performs normal power supplying so that the displacement controller generates driving current to drive the rotor to levitate, the motor is converted from the electric state to the power generation state when the power supply is cut off and the kinetic energy of the motor is converted into the voltage required by the displacement controller by the way of kinetic energy feedback; namely, after the power generated by the maglev motor is subjected to the step-down rectification treatment, the voltage generated by themotor is properly adjusted by the Boost step-up process to obtain the voltage value required by the displacement controller and then the power is supplied to the displacement controller after power switching.
Owner:NORTHEASTERN UNIV
Multifunctional vapour recovery warehouse
InactiveCN101173762AUnchanged coal consumptionReduce power generation costsWater circulationSteam engine plantsCondensed waterPower station
The invention discloses a multifunctional steam recovery bin, wherein, the steam recovery bin is connected separately with a boiler, a circulating water bin and a low pressure bin; a pipe outlet communicated with the circulating water bin, the outlet pipeline of a low pressure wheel to the steam recovery bin, a plurality of air inlets and air outlets are arranged in the steam recovery bin, the air outlets are communicated with the low pressure bin, the steam compression pipe communicated with the circulating water bin is arranged on the air inlet, a plurality of compressors are separately arranged in the air inlet and on the connective position of the steam compression pipe and the circulating water bin. The invention eliminates the steam condenser and the subsidiary system in traditional power generation technology, fully reclaims a large quantity of low temperature and low pressure steam which are originally discharged to the steam condenser, and also fully reclaims the other exhaust steam and condensed water generated by other parts for power generation. The invention is suitable for power plant or the common thermodynamic equipment worked with steam generated by boiler, and has the advantages of extensive application scope, simple and safe structure, environmental protection, energy saving and better popularization value.
Owner:冼泰来
Sinking pump automatic control device and control method thereof
InactiveCN103267011AAvoid wastingEliminate accidentsPump controlPositive-displacement liquid enginesAutomatic controlWater leakage
The invention discloses a sinking pump automatic control device and a control method of the sinking pump automatic control device and relates to the technical field of sinking pump automatic control. The sinking pump automatic control device comprises a sinking pump, a water level limiting gauge, an alternating current contactor, a fuse protector, a time relay and a heat relay. The time relay is in series connection with a limiting switch of the water level limiting gauge. A coil of the alternating current contactor is in series connection with a delaying normally open contact of the time relay. After two series branches are connected in parallel, a normally closed contact of the heat relay and the fuse protector are in series connection between any firing line and a null line of a supply circuit of a three-phase alternating current motor of the sinking pump. A main contact of the alternating current contactor and a coil of the heat relay are in series connection in a supply loop of the three-phase alternating current motor. When a water level rises to the level higher than that of the water level limiting gauge, the limiting switch is switched off and the sinking pump starts to operate. When the water level drops to the level lower than that of the water level limiting gauge, the time delay starts to time, and the sinking pump stops operating after timing is end. The sinking pump automatic control device has the advantage of automatically controlling the sinking pump and is suitable for being used in basements with water seepage or water leakage.
Owner:CHINA COAL ENERGY HEILONGJIANG COAL CHEM
Automatic separator for autoclaved aerated concrete building blocks
InactiveCN106966178AIngenious designEasy to operateConveyorsStacking articlesMagnetic separatorEngineering
An automatic separator for autoclaved aerated concrete blocks, including a body that can move left and right along guide rails through a driving device, and is characterized in that: the body includes a frame, which can clamp concrete blocks left and right when placed in the frame Clamping device, an up and down moving device that can vertically move the concrete block up and down to the position of the clamping device when placed in the frame, the clamping device includes an upper clamping part and a lower clamping part, and the upper clamping part passes through The upper driving part can move upwards, and the up and down moving device and the clamping device are respectively connected with the control circuit through lines; when the concrete block is moved between the upper clamping part and the lower clamping part, the upper part of the upper clamping part The left and right splints clamp the upper concrete block and the lower left and right splints of the lower clamping part clamp the lower concrete block, and then the upper clamping part moves upward to separate the upper and lower concrete blocks. Its advantage is that it can automatically separate the upper and lower layers of the concrete block after autoclaving in the steam kettle, which not only has high separation efficiency, but also is very safe to operate.
Owner:舟山弘业环保材料有限公司 +1
Seepage drainage method for tailing dam and seepage drainage pipe for use therein
ActiveCN100460603CEliminate accidentsEliminate safety hazards such as dam failuresExcavationsSoil preservationTailings damOutcrop
Owner:付文堂
Device for preventing wrong departure direction
InactiveCN101130366AEliminate accidentsEliminate the phenomenon of wrong departure directionRailway signalling and safetyEngineeringLoudspeaker
The invention relates to a device for preventing the mistake of departure direction, belonging to the technical field in which driving staff determines if train departure direction is right. The invention solves the problem that when there are multiple departure directions in rail station there is no method for preventing the mistake of departure direction. The bus end of control unit (2) is connected with bus ends of information recording and storing system (1), interface circuit (3), keyboard editing device (10) and clock circuit (6). The bus end of interface circuit (3) is connected with bus ends of information collecting circuit of button (4), luminous tube circuit (5), voice circuit (7) and display circuit (8). The input bus end of information collecting circuit (4) of button is connected with button or button light on control station (11) of station. Two output ends of voice circuit (7) are connected with two input ends of reproducer (9). The invention can hint driving staff if the path direction of rail is right by voice and light from lighting tube. It can prevent the mistake of departure direction effectively.
Owner:哈尔滨北特科技发展有限责任公司 +1
Support of seismic isolation cushion
InactiveCN105369897AEasy installation and constructionEasy maintenanceBridge structural detailsShock proofingCushionEngineering
The invention provides a support of a seismic isolation cushion. A limiting device for preventing the seismic isolation cushion from sliding is disposed on an upper buttress and / or a lower buttress of a building. The limiting device is capable of fully making use of the fine forming property of concrete. A seismic isolation cushion limiting area is formed through a formwork. Only the component casting flatness needs to be guaranteed, and the seismic isolation cushion can be directly placed in the limiting area. Reservation and post-installation of bolts are not needed. Time and materials are saved, installation construction is simplified greatly, and convenience is offered to post-maintenance of the seismic isolation cushion.
Owner:欧阳水栋
Elevator information safety management system and method
PendingCN111639832AGo mobileAchieve high efficiencyDigital data protectionOffice automationEngineeringSafety management systems
The invention provides an elevator information safety management system. The elevator information safety management system comprises a construction notification registration and acceptance module, anelevator archive data maintenance and query module, an elevator registration and archive information change module, a safety supervision module, a geofence module, an inspection service and report service full-process module, a unit management module and a personnel management module. The construction notification registration and acceptance module is used for recording whether an elevator user application to be constructed or maintained is accepted or not; an elevator registration and archive information change module is used for carrying out supervision and inspection process processing on the user information; an elevator registration and archive information change module is used for carrying out information processing of unit change and state change; and generating an inspection reportof the acceptance passing user by using the inspection service and report service full-process module. The invention further provides a method adopting the system, the system can efficiently and quickly face multiple departments in a paperless mode, and full-process application of mutual cooperation and communication among the multiple departments is achieved.
Owner:蚌埠市特种设备监督检验中心 +1
Mixer increasing conglomeration rate
The invention discloses a mixer increasing conglomeration rate. The mixer increasing conglomeration rate comprises a barrel body (2) arranged in a nearly-horizontal manner and a spraying pipe (1) in the barrel body (2); the inner wall of the barrel body (2) is provided with angle steel (6) which is parallel with the axis of the barrel body (2), and is distributed uniformly in the circumferential direction of the barrel body (2); a large beam (4) is arranged in the barrel body (2); and the spraying pipe (1) is fixed to the large beam (4). The technical scheme is adopted, the conglomeration rateof ore powder is increased, the gas permeability of ore powder of the same kind is greatly improved under the same work condition, and it is very favorable for increasing the material layer thickness; the water of a mixed material of an outlet of the barrel body is uniform and stable, the local material drying and local mud pie phenomenon is eliminated, and a sintering machine can achieve homogeneous production easily; and after a large beam structure replaces a steel wire rope device, accidents caused by breakage of a steel wire rope are eliminated.
Owner:WUHU XINXING DUCTILE IRON PIPES
Electrolytic tank single-tank overpressure protection device and method
PendingCN111538357AReduce the risk of mishandlingLow running costElectrolysis componentsFluid pressure control using electric meansAutomatic controlControl system
The invention relates to an electrolytic tank single-tank overpressure protection device and method. The device comprises a hydrogen evacuation main pipe, a hydrogen dehydrogenation main pipe, a chlorine absorption main pipe, a chlorine dechlorination main pipe, an electrolytic tank, a first automatic control valve, a second automatic control valve, a first pressure gauge, a second pressure gauge,a differential pressure gauge and a DCS control system. The DCS control system is connected with the first pressure gauge, the second pressure gauge, the differential pressure gauge, the first automatic control valve and the second automatic control valve and is used for sending the acquired pressure value of the hydrogen dehydrogenization main pipe and the acquired pressure value of the chlorinedechlorinization main pipe to the differential pressure gauge, and determining and controlling the states of the first automatic control valve and the second automatic control valve according to a result returned by the differential pressure gauge and a preset differential pressure value. The automatic control valves are automatically adjusted according to the pressure difference of hydrogen andchlorine, risks and accidents caused by the too large pressure difference of hydrogen and chlorine of the electrolytic cell are eliminated, and the service life of the ionic membrane is prolonged.
Owner:新疆中泰创新技术研究院有限责任公司 +1
Device for plugging cracks on iron storage under operating status
The invention discloses a device for plugging cracks on an iron store tank in a working state. The device is provided with permanent magnetism pieces, an iron support, a post rod, a deformable sealing plate and a top tray, wherein the permanent magnetism pieces are arranged at both ends of the iron support, and the post rod is extruded on one surface of the top tray after penetrating the iron support. The other surface of the top tray is pressed on the deformable sealing plate, and the top tray and the deformable sealing plate are arranged between the two permanent magnetism pieces, so as to emergently plug an iron container which can not instantly stop working to empty substance in the container to be welded up in time. The device solves the problem of instantly plugging cracks or dubious crannies on the iron store tank in the working state.
Owner:北京玛格涅磁应用技术有限责任公司 +1
Special fault electric arc detection arc-extinguishing device for photovoltaic confluence
InactiveCN102684152BRealize arc extinguishingExpand the detection angleEmergency protective circuit arrangementsTesting circuitsUltrasound attenuationComputer module
Owner:上海电科臻和智能科技有限公司
Limiting seismic isolation cushion support
InactiveCN102561514AEasy maintenanceGuarantee pouring flatnessBridge structural detailsShock proofingButtressEngineering
The invention provides a limiting seismic isolation cushion support. A limiting device for preventing a seismic isolation cushion from sliding is disposed on an upper buttress and / or a lower buttress of a building. The limiting device is capable of fully making use of the fine forming property of concrete, a seismic isolation cushion limiting area is formed through a formwork, only component casting flatness needs to be guaranteed, the seismic isolation cushion can be directly rested in the limiting area, reservation and post-installation of bolts are not needed, time and materials are saved, installation construction is simplified greatly, and post-maintenance of the seismic isolation cushion is facilitated.
Owner:钟阳
Compartment type elevator wrong floor stop detection device
The invention relates to an elevator detection device, in particular to a compartment type elevator wrong floor stop detection device. The compartment type elevator wrong floor stop detection device comprises a moving portion and calibrators. The moving portion is located below a compartment door of a compartment. The calibrators are arranged below elevator doors on different floors respectively. The moving portion and the calibrators are kept horizontally coincident. The calibrator on each floor is connected with a door opening control device of the elevator door on the corresponding floor. According to the compartment type elevator wrong floor stop detection device, the accident of elevator door wrong floor opening is eliminated, and whether an elevator breaks down or not can be automatically judged.
Owner:王学宝
Security and protection system
InactiveCN103065411ARealize unattended monitoringAchieve the perfect combinationBurglar alarm electric actuationImage resolutionRadio-frequency identification
Owner:苏州易寻传感网络科技有限公司
Process and control method for eliminating winding of thin hot-rolled strip steel on pinch roll of coiling machine
ActiveCN114101334AReduce chance of pastingEliminate accidentsTemperature control deviceMeasuring devicesLaminar coolingStrip steel
The invention discloses a process for eliminating winding of thin hot-rolled strip steel on a pinch roll of a coiling machine. The process comprises the following steps: a, heating a steel billet in a heating furnace; b, primary descaling is conducted, specifically, the heated steel billet enters a descaling procedure I to remove oxide scale formed on the surface of the steel billet; c, the descaled steel billets enter a side press, and the width of the steel belt is preliminarily controlled; d, the steel billets enter a rough rolling unit to be roughly rolled, secondary descaling is conducted, and then the steel billets enter a finishing rolling unit to be rolled; and e, the rolled strip steel is guided by a pinch roll of the coiling machine to enter a mandrel of the coiling machine to be coiled after being subjected to laminar cooling. The invention further provides a control method for eliminating winding of the thin hot-rolled strip steel on the pinch roll of the coiling machine, the temperature of the head of the strip steel passing through the pinch roll is controlled according to different coiling temperatures of the strip steel, and the sticking probability of the strip steel and the pinch roll is reduced by compensating the temperature of the head.
Owner:MAANSHAN IRON & STEEL CO LTD
Truck intelligent braking system
PendingCN111452771AEliminate accidentsEasy to openBraking action transmissionReservoir arrangementsControl theoryTruck
The invention discloses an intelligent braking system which comprises a truck head and a rear trailer, a cavity is formed in the bottom of the rear trailer, and an air pressure sensor, an ABS module,an EBD module, a controller, an inflator pump, a braking main valve, a braking valve and an air cylinder are sequentially arranged in the cavity; the output ends of the air pressure sensor, the ABS module and the EBD module are connected with the input end of the controller; the output end of the controller is connected with the input end of the inflator pump and the input end of the braking mainvalve, the output end of the braking main valve is connected with the input end of the braking valve, the output end of the braking valve is connected with the input end of the air cylinder, and the output end of the inflator pump is connected with the input end of the air cylinder. The time for outputting the electric signals to vehicle head axles and rear trailer axles is set through a braking module, so that the braking time on each axle is synchronized, and accidents caused by asynchronous braking of the rear trailer axles and the vehicle head axles during emergency braking of the vehicleare eliminated.
Owner:晋江市御安行智能科技有限公司
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