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90results about How to "Will not cause safety accidents" patented technology

Raw coke over gas riser residual heat recovery device

ActiveCN101614498ALow costAchieve rapid heat recoveryCoke ovensIndirect heat exchangersTarProcess engineering
The invention relates to a raw coke over gas riser residual heat recovery device, which belongs to the technical field of heat energy recycles. The device comprises an upper header and a lower header which are surrounded outside the inner wall of a raw coke over gas riser, wherein the upper header and the lower header inwards lead out a group of separate type heat pipe heat-absorbing ends which pass through the inner wall of the raw coke over gas riser and communicate the upper header with the lower header respectively, and simultaneously the upper header and the lower header are communicated with two ends of a separate type heat pipe heat-releasing end respectively through connecting pipelines upwards, and the separate type heat pipe heat-releasing end is positioned in a heat exchange steam drum. The recovery device achieves fast recovery of heat, is convenient to arrange by adopting a separate type heat pipe, and can ensure that the wall temperature of the heat pipe is higher than the tar dew point of the raw coke over gas by improving the steam producing pressure, so the problem of coking is not generated; and besides, with small quantity of the working medium inside the separate type heat pipe, the heat pipe can avoid the leakage of the steam-water mixture in the entire steam drum into a coking chamber like a water jacket even if being destroyed, thereby preventing safety accidents and ensuring the safe operation of a coke oven.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD +1

Water temperature control method of instant heating type electromagnetic induction water heater

The invention provides a water temperature control method of an instant heating type electromagnetic induction water heater. The method is that a flow sensor and a temperature sensor are arranged in a water heater water supply pipe to separately detect the flow velocity of water and the water inlet temperature and water outlet temperature of the pipe, a microprocessor CPU is used to process the obtained data, the CPU calculates the desired power for the set water temperature, the output power of a power output circuit is controlled to provide for an electromagnetic heating coil; and the temperature of water in the pipe is maintained to an advance control mode. The invention has the advantages that compared with the traditional PID control method, the control method of the invention adopts not postponing control but advance control and the desired control power is accurately calculated at the water inlet. Therefore, water temperature control is accurate and fast without causing incidents and the method of the invention is convenient for the user to adopt.
Owner:SHANGHAI TIANJIAN ELECTRONICS & MAGNETIC TECHN

Vehicle door opening walking forbidding system

Disclosed is a vehicle door opening walking forbidding system. The vehicle door opening walking forbidding system comprises a hydraulic pump, a jacking rod roller valve, a filter, a gas bag, an oil tank, a safety valve, a gear selecting reversing valve, a forward gear clutch, a backward gear clutch and a control mechanism. A jacking rod of the jacking rod roller valve is connected with a vehicle door of a vehicle driving cab. A gas inlet P of the jacking rod roller valve communicates with the gas bag. An executing opening A of the jacking rod roller valve communicates with a gas control opening K of the control mechanism. An oil inlet P of the control mechanism communicates with an oil outlet of the hydraulic pump. An executing opening A of the control mechanism communicates with an oil inlet P of the gear selecting reversing valve. An executing opening A of the gear selecting reversing valve communicates with the forward gear clutch. An executing opening B of the gear selecting reversing valve communicates with the backward gear clutch. An oil inlet of the hydraulic pump communicates with the oil tank through the filter. According to the vehicle door opening walking forbidding system, when the vehicle door of the vehicle driving cab is not closed, even if a driver operates the gear selecting reversing valve, a vehicle cannot advance or retreat, so that a safety accident does not occur.
Owner:辛秋萍

Oxygen-enriched combustion device of circulating fluidized bed and air supply method for oxygen-enriched combustion thereof

An air supply method for oxygen-enriched combustion of a circulating fluidized bed comprises the steps of providing recirculating flue gas and oxygen for a fluidized bed body. The recirculating flue gas and the oxygen are led into the fluidized bed body respectively and then mixed. In addition, the recirculating flue gas and the oxygen are both preheated before entering the fluidized bed body. The invention also provides an oxygen-enriched combustion device of the circulating fluidized bed. According to the air supply method, the manner that the high temperature oxygen and the high temperature recirculating flue gas are not mixed before entering the fluidized bed body and are transported in respective pipes is adopted so as to prevent safety accidents during the conveying and mixing processes of the recirculating flue gas and the oxygen.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI

Barge rocker arm device for launching jacket

The invention provides a barge rocker arm device for launching a jacket. The device comprises a rocker arm, wherein the middle part of the rocker arm is hinged to the end of a barge angled deck integrally; a sliding groove I is formed in the surface, which is opposite to the barge angled deck, of the upper part of the rocker arm; a sliding groove II corresponding to the sliding groove I is formed in the barge angled deck; a rolling wheel is placed inside the sliding groove II, abuts against the hinged position of the rocker arm and the barge angled deck and is limited by a detachable limiting device; and a rolling wheel sunk compartment containing the rolling wheel and a winch spool sunk compartment containing a winch spool are manufactured on the barge angled deck, the winch spool sunk compartment is located behind the rolling wheel sunk compartment, and a cable winding around the winch spool winds around the rolling wheel and is fixed at the upper end of the rocker arm. The device substitutes for past balance weight methods or cable car traction methods, so that after the jacket is launched from the rocker arm of a barge, the rocker arm can return to the original position at the constant speed automatically, no safety problem exists, and the efficiency is high.
Owner:CSSC HUANGPU WENCHONG SHIPBUILDING COMPANY

Temporary blocking gel for low-pressure oil-gas well and preparation method thereof

The invention relates to the technical field of temporary blocking gel for an oil-gas field, and provides temporary blocking gel for a low-pressure oil-gas well and a preparation method thereof. The temporary blocking gel for a low-pressure oil-gas well comprises the following raw materials in percentage by weight: 0.25-0.35% of polyacrylamide, 0.2-0.25% of oxidizer, 0.2-0.3% of reducer, 0.1-0.3% of gel breaker and the balance of water. The preparation method comprises the following steps: after swelling, adding the oxidizer, the reducer and the gel breaker; and further stirring to obtain the temporary blocking gel for a low-pressure oil-gas well. The temporary blocking gel provided by the invention is low in cost, simple to prepare, safe and convenient in construction and wide in application range; after gel forming, the temporary blocking gel is high in strength favorable in blocking effect, and can not cause leakage of kill fluid; after gel forming, the temporary blocking gel is favorable in viscosity and high in strength, simultaneously prevents blocking agent from entering a non-target layer, and can not cause pollution to an oil layer; and after gel breaking, the temporary blocking gel can realize clean and thorough flowback, can not cause safety accidents, and can not pollute the oil layer, thereby providing a guarantee for implementation of further work.
Owner:KARAMAY HONGDU

Automobile seat heating cushion

The invention discloses an automobile seat heating cushion. The automobile seat heating cushion comprises a heating seat cushion and a heating device arranged in foams of the heating seat cushion, wherein the heating device comprises a bent circulating heat conduction pipe; a liquid outlet end of the circulating heat conduction pipe is communicated with a liquid storage tank; a liquid inlet end of the circulating heat conduction pipe is communicated with a heating chamber; a heating wire is arranged in the heating chamber and is connected with a control unit through a lead wire to form a loop; and the heating wire comprises at least two heating wire units which are not connected. The heating cushion disclosed by the invention utilizes conductive liquid to heat; once if the conductive liquid leaks, the amount of the conductive liquid in the heating chamber is reduced, so that the heating wire is in short circuit and the power can be automatically off, and furthermore, the protection effect is realized and the safety accidents are not caused; and furthermore, a heat sensor is used for feeding a monitored temperature back to the control unit and the control unit is used for adjusting the heating temperature according to the received temperature and the temperature needed by a driver, and the automobile seat cushion is relatively comfortable.
Owner:SHIYAN BRANCH OF DONGFENG LEAR AUTOMOBILE SEAT CO LTD

Safety accessory device of running machine

The invention belongs to the technical field of running machines, and particular relates to a safety accessory device of a running machine. The safety accessory device comprises wearable accessory equipment and an attention monitoring device. The wearable accessory equipment comprises an electroencephalogram collector, a chip special for electroencephalogram data conversion and a wireless sending end, and the electroencephalogram collector is electrically connected to the wireless sending end through the chip special for electroencephalogram data conversion; the attention monitoring device comprises a wireless receiving end, a brain wave signal processing module, a comparison module, a control module, a concentration degree display screen and an alarm, the brain wave signal processing module receives data through the wireless receiving end and extracts the concentration degree from the data, and the brain wave signal processing module is electrically connected to the concentration degree display screen and the comparison module. The control module controls the alarm to give an alarm and reduce the rotating speed of a motor of the running machine. The safety accessory device has the advantages that brain waves are collected, the concentration degree is extracted to regulate the rotating speed of the motor of the running machine, a runner is reminded through the concentration degree display screen and the alarm, and it is guaranteed that accidents caused by distraction of the runner are avoided.
Owner:JIANGSU UNIV OF TECH

Working-condition self-adaptive lifting and falling-prevention device of scaffold

The invention discloses a working-condition self-adaptive lifting and falling-prevention device of a scaffold. The working-condition self-adaptive lifting and falling-prevention device of the scaffold comprises a scaffold lifting mechanism, a lever type linkage mechanism and a falling-prevention mechanism, wherein the scaffold lifting mechanism, the linkage mechanism and the falling-prevention mechanism are arranged on a frame, a bolt hole which is connected with a scaffold frame is formed on the lower portion of the frame, the scaffold lifting mechanism is connected with the falling-prevention mechanism through the linkage mechanism, and the upper portion of the linkage mechanism is connected with an outer wall. The working-condition self-adaptive lifting and falling-prevention device of the scaffold has the advantages of well achieving purposes of normal lifting and falling-prevention due to the fact that an integrated drive system is formed by achieving the normal lifting function through the scaffold lifting mechanism, achieving real-time monitoring and transmission to a lifting state through the linkage mechanism and achieving the emergency-brake handling to sudden accidents through the falling-prevention mechanism; being skillful in design, convenient to install, safe and reliable, particularly suitable for the scaffold in the high-rise building construction and good in popularization and use value.
Owner:HENAN POLYTECHNIC INST

Coke oven raw gas rising pipe waste heat recovery device

ActiveCN101614498BGuaranteed wall temperaturePromote recoveryCoke ovensIndirect heat exchangersSteam pressureTar
The invention relates to a coke oven raw gas rising pipe waste heat recovery device, which belongs to the technical field of heat energy recovery and utilization. The device includes upper and lower headers surrounding the inner wall of the coke oven raw gas rising pipe, and the upper and lower headers respectively lead a group of separate heat pipes through the inner wall of the coke oven raw gas rising pipe to connect the upper and lower headers to absorb heat. At the same time, they communicate upwardly with the two ends of the heat release end of the separated heat pipe through connecting pipelines, and the heat release end of the separate heat pipe is located in the heat exchange drum. The invention realizes rapid recovery of heat, and because the separated heat pipe is adopted, the arrangement is convenient, and by increasing the pressure of steam production, the wall temperature of the heat pipe can be ensured to be above the dew point of raw gas tar, so no coking problem will occur; and the separated heat pipe The amount of working medium in the tube is small, even if the heat tube is damaged, the steam-water mixture in the entire steam drum will not leak into the carbonization chamber like the water jacket, so it will not cause safety accidents and can ensure the safe operation of the coke oven.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD +1

Sewage treatment monitoring device and remote monitoring system

The invention provides a sewage treatment monitoring device and a remote monitoring system and relates to the technical field of detection control. The remote monitoring system comprises a server, a user terminal and the sewage treatment monitoring device, wherein the user terminal can acquire the data, collected by the sewage treatment monitoring device, of sewage treatment equipment through the server and transmits a control instruction to the sewage treatment monitoring device; the sewage treatment monitoring device comprises a controller, a first temperature sensor, a liquid level detector and a radiator. When the working temperature, detected by the first temperature sensor, of a sewage lift pump is larger than a first temperature preset value and the liquid level, detected by the liquid level detector, of a biochemical tank is smaller than a first liquid level preset value, the controller controls the radiator to start. By the radiator, the sewage lift pump can continue operating even when the sewage lift pump operates in an overheating manner, and work efficiency of the sewage treatment equipment cannot be lowered due to the fact that the sewage lift pump stops operating.
Owner:CHENGDU JIYUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Automatic combination-fireworks fuse inserting method and device

InactiveCN103884243AImprove the quality of punching and insertionEnsure personal safetyFireworksControl engineeringFireworks
The invention relates to an automatic combination-fireworks fuse inserting device and belongs to the technical field of automatic production of fireworks. The automatic combination-fireworks fuse inserting device comprises a support unit, a fuse feeding unit, a punching and inserting unit, a press positioning unit and a driving unit. The fuse feeding unit and the press positioning unit are mounted on a punching and inserting rack of the support unit, and the punching and inserting rack is fixed to a frame. The driving unit controls actions of the fuse feeding unit, the punching and inserting unit and the press positioning unit. A stepping motor drives a fuse feeding roller to move, and a cylinder drives a punching device and an inserting device to realize switching between a punching station and an inserting station and drives movements of a press block and a positioning roll. By the automatic combination-fireworks fuse inserting device, punching quality is guaranteed, fuses cannot be inserted repeatedly or be missed out during inserting, and accordingly fuse inserting efficiency is high; fires caused by fuse interference during inserting are not easy to be caused, and fireworks effect and safety in use are not affected. The automatic combination-fireworks fuse inserting device is high in automation degree and adaptable to the full-automatic production.
Owner:衡阳市多通数码办公用品有限公司

Storage battery internal resistance measuring circuit and measuring method

The invention discloses a storage battery internal resistance measuring circuit and a measuring method. In a current storage battery internal resistance measuring method, interference is generated forrelay protection equipment, and a measuring device is high in cost and low in precision. The measuring circuit comprises an MCU circuit (4) and a measured storage battery (1), wherein a voltage collection circuit (2), a current collection circuit (6) and an intelligent load circuit (3) are connected between the MCU circuit and the measured storage battery; the intelligent load circuit is electrically connected with the current collection circuit; the voltage collection circuit comprises a digital / analog converter (7), an instrument amplifier (8) and a band-pass filter (9); the digital / analogconverter is electrically connected with the instrument amplifier; the instrument amplifier is electrically connected with the band-pass filter; the intelligent load circuit comprises a serial interface (10), an analog / digital converter (11), an output converter (12) and a sampling resistor (13); and the serial interface, the analog / digital converter, the output converter and the sampling resistorare electrically connected in sequence. The measuring circuit is applied to measurement of storage battery internal resistance.
Owner:哈尔滨佳云科技有限公司

Fireworks lead conveying device

The invention discloses a fireworks lead conveying device. The fireworks lead conveying device comprises a driving wheel (1), a lead inlet guiding pipe (3), a lead outlet guiding pipe (4), a first roller (5) and a second roller (6), wherein a flexible conveyer belt (8) is mounted on the first roller (5) and the second roller (6) in a wrapping manner and partly wraps the periphery of the driving wheel (1); the lead inlet guiding pipe (3) is aligned with the wrapping inlet of the driving wheel (1) and the flexible conveyer belt (8), and the lead outlet guiding pipe (4) is aligned with the wrapping outlet of the driving wheel (1) and the flexible conveyer belt (8). The fireworks lead conveying device disclosed by the invention can maintain the quality of a lead and does not change the combustion efficiency of the lead.
Owner:浏阳市丰田烟花制造有限公司

Intelligent adjusting and controlling method for setting safe operation frequency in overfrequency of frequency converter

The invention discloses an intelligent adjusting and controlling method for setting the safe operation frequency in the overfrequency of a frequency converter. The method includes the steps that self-adaptation safety adjusting control of the operation frequency is performed when the frequency converter operates at the overfrequency, when the set target frequency of the frequency converter is changed and exceeds the rated frequency of a motor, when the current frequency of the frequency converter is accelerated to the rated frequency of the motor, the frequency converter keeps operate at the rated frequency for a certain time through a corresponding intelligent operation control module, the practical operation current or the practical output power of the frequency converter during operation in the period of the rated frequency under the current load condition is compared with the rated current or the rated power of the motor, the maximum frequency allowed to be output by the frequency converter is determined under the current load condition of the frequency converter or the motor according to a comparison result.
Owner:JIANGXI JIANGTE ELECTRIC GROUP

Automatic mixing machine with multiple vibrating feeders and for powdery materials

The invention discloses an automatic mixing machine with multiple vibrating feeders and for powdery materials. The automatic mixing machine comprises a mixing frame, a power bracket and feed hoppers,wherein the mixing frame is provided with stirring rods, the vibrating feeders, a vibration chamber, a mixing tank and a collecting hopper from top to bottom; the power bracket is provided with a stirring motor, a mixing motor and a steering motor from top to bottom; a discharging barrel is arranged below the collecting hopper and is arranged on a trolley; the trolley is placed in a water tank; and the water tank is filled with water. According to the invention, a plurality of the vibrating feeders are adopted, a plurality of powdery raw materials are uniformly stirred in the respective vibrating feeders before mixing, and do not interact with each other or influence each other during mixing even under the rotary friction effect of the stirring rods; the raw materials are evenly mixed through vibration and rotation during mixing and the mixing process is free of rotary friction, so safety is greatly improved; and the automatic mixing machine is especially applicable to mixing of dangerous, explosive and highly-toxic powdery materials.
Owner:LIUYANG LIUHE MACHINERY

Composite insulator production equipment

The invention relates to the technical field of insulator production equipment, and discloses composite insulator production equipment. The invention solves the problems that potential safety hazards exist in a traditional grinding mode; in addition, a large amount of epoxy resin dust is generated in the grinding process; and meanwhile, grinding is uneven, and efficiency is low. The composite insulator production equipment comprises a grinding box body, wherein a first motor is fixedly arranged in the middle of one end of the grinding box body; a protective groove is fixedly arranged at the bottom of one side of the grinding box body, and a transparent protective cover is movably arranged at the top of one side of the grinding box body through a hinge; a collecting hopper is fixedly arranged on the other side of the grinding box body, and a dust collection fan is fixedly arranged at one end of the collecting hopper; and a first dust removal box is fixedly arranged at one end of the dust collection fan. The composite insulator production equipment can be safely used, and safety accidents cannot be caused. Dust can be effectively removed in the grinding process, and the situation that dust hurts the bodies of workers is avoided. Meanwhile, grinding can be conducted at a constant speed, and the grinding efficiency is effectively improved.
Owner:POWER MANAGEMENT CORP OF SHENGLI PETROLEUM ADMINISTATION BUREAU OF CHINA PETROCHEM CORP

Critical speed flow metering system

The invention discloses a critical speed flow metering system. The system comprises a throttle mechanism and a data acquiring measurement system, wherein the throttle mechanism comprises a valve body and a pore plate arranged in the valve body, the data acquiring measurement mechanism comprises a PC, a control cabinet, a temperature sensor and two pressure transmitters; the temperature sensor and the two pressure transmitters are fixed on the valve body, one pressure transmitter is located at the downstream side of the pore plate, and the other pressure transmitter and the temperature sensor are located at the upstream side of the pore plate; a data acquiring module and a communication module are arranged in the control cabinet, the temperature sensor and the two pressure transmitters are connected with the data acquiring module, and the data acquiring module is used for transmitting acquired data to the PC by the communication module. The system disclosed by the invention is capable of automatically, accurately and quickly measuring the flow of fluid at the critical speed according to the acquired data, and the aim of integrating data acquisition, transmission and metering is realized.
Owner:DEYANG DIXINJIA VALVE MFR

System for prohibiting vehicle from driving when door is opened and control mechanism of system

A system for prohibiting a vehicle from driving when a door is opened comprises a hydraulic pump, an ejector rod roller valve, a filter, an air bag, a fuel tank, a safety valve, a gear-selecting directional valve, a forward gear clutch, a reverse gear clutch and a control mechanism. An ejector rod of the ejector rod roller valve is connected with a door of the vehicle cab, the air inlet port P ofthe ejector rod roller valve communicates with the air bag, the execution port A of the ejector rod roller valve communicates with the air control port K of the control mechanism, the oil inlet port Pof the control mechanism communicates with the oil outlet port of the hydraulic pump, the execution port A of the control mechanism communicates with the oil inlet port P of the gear-selecting directional valve, the execution port A of the gear-selecting directional valve communicates with the forward gear clutch, the execution port B of the gear-selecting directional valve communicates with thereverse gear clutch, and the oil inlet port of the hydraulic pump communicates with the fuel tank through the filter. By applying the system, the vehicle cannot advance or reverse even if the gear-selecting directional valve is operated when the driver does not close the cab door, so that no accident is caused.
Owner:吴彬

Horizontal punching equipment

The invention discloses horizontal punching equipment. The horizontal punching equipment comprises a bottom plate, a first punching base plate and a second punching base plate, wherein the first punching base plate and the second base plate are arranged on the bottom plate; a hollow cylinder is arranged on the first punching base plate and connected with a punching pin; the punching pin faces thesecond punching base plate; a first profile groove and an ejection device are arranged on the two surfaces of the second punching base plate separately; the first profile groove faces the first punching base plate; the ejection device can penetrate through the second punching base plate to penetrate into the first profile groove; and a bearing device is arranged between the first punching base plate and the second punching base plate. By means of the horizontal punching equipment, waste can be effectively collected, potential safety hazards are avoided, and the waste can be directly dischargedinto existing seamless pipe machining equipment after being processed.
Owner:TAICANG BEST MECHANICAL EQUIP

LED light supplementing lamp

The invention provides an LED light supplementing lamp, which comprises a front shell, a rear shell, a circuit control module arranged inside the rear shell, and an LED lamp arranged inside the front shell, wherein the front end of the front shell is provided with a reflector cup and a light transmitting window; the rear wall of the front shell and the front wall of the rear shell are connected; the circuit control module and the LED lamp are connected; the side wall of the rear shell is fixedly provided with a leading-out wire pipe; one end of a leading-out wire passes through the leading-out wire pipe and is connected with the circuit control module; the leading-out wire pipe outside the side wall of the rear shell is provided with a locking nut; and the leading-out wire pipe inside the side wall of the rear shell is coated with a sealing adhesive layer. The LED light supplementing lamp is used for improving the vehicle license plate recognition rate in the case of night road monitoring and photographing, and requirements on image definition by intelligent vehicle license plate retrieval are achieved; the light supplementing lamp has a low power and energy conservation and environment protection are realized; the light is uniform and gentle, the sight line of a driver is not influenced, safety driving of the driver can be ensured, and the safety is high; and the rear shell has good sealing effects, influences on the LED lamp by the environment are few, and the service life is long.
Owner:WEIHAI PUBLIC SECURITY BUREAU WENDENG BRANCH

Urban rail vehicle storage battery feed prevention control method and system

ActiveCN112849220AReduce energy consumptionTroubleshoot charge management issuesElectric devicesRailway vehiclesBattery chargeIn vehicle
The invention discloses an urban rail vehicle storage battery feed prevention control method and system, and the system comprises a vehicle-mounted signal system, an OCC, a TCMS control module, a first relay, a second relay, a third relay, and a fourth relay. The invention can wake up a host device remotely without waking up high-power consumption devices, Storage battery charging management is completed through the vehicle-mounted signal system, the TCMS control module and the like, the energy consumption in the storage battery charging process is greatly reduced, the storage battery charging management problem of the full-automatic driving train in the dormant state is solved, and the feed problem caused by long-time discharging of the storage battery is avoided; the awakening and dormancy control of the host device is performed through the vehicle-mounted signal system, so that the remote awakening and dormancy control of the train is realized, personnel do not need to get on the train for processing, the labor cost is reduced, and the maintenance management of long-time storage of the train is facilitated.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO

Intelligent teacup control system and method

The invention discloses an intelligent teacup control system and method. The system comprises an intelligent teacup assembly and a mobile control end. The intelligent teacup assembly is composed of ateacup, a tea filter and a cup filter. The teacup is composed of a cup cover and a cup body. An inner container is arranged in a cavity of the cup body. A detecting device is installed on the inner wall of the inner container, and a heating device is installed on the lower side of the inner container. A power supply device and a control device are installed at the bottom of the cavity. An interacting device is installed on the surface of the cup body. The tea filter comprises a tea basket and a long-strip-shaped connecting device. The tea basket is composed of the box cover and the box body. The cup filter comprises a step-type hollow filter net base. A plurality of water inlets running through the cavity in the base are formed in the bottom of the step-type hollow filter net base, and water outlets running through the cavity in the base are formed in one side of the step-type hollow filter net base. The intelligent teacup control system and method are controlled through an artificialintelligent algorithm and meanwhile are equipped with necessary accessories, the tea boiling and tea brewing process can be effectively simplified, and the best tea drinking taste effect is kept for users.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Method for separating and recycling cobalt and nickel from waste lithium-ion battery

InactiveCN111218568ASafe and reliable secondary pollutionAvoid secondary pollution problemsWaste accumulators reclaimingProcess efficiency improvementProcess engineeringBattery recycling
The invention belongs to the field of waste lithium-ion battery recycling, and provides a method for separating and recycling cobalt and nickel from a waste lithium-ion battery. Firstly, a positive electrode material is dismounted from the waste lithium-ion battery, and then is placed in a mixed solution of organic acid and a reducing agent to be soaked, leachate is subjected to extraction operation, a high-nickel solution can be obtained, through washing and reverse extraction segment operation, a high-cobalt solution is obtained, and cobalt and nickel can be recycled from the waste lithium-ion battery. The method for separating and recycling the cobalt and the nickel from the waste lithium-ion battery combines recycling of the waste lithium-ion battery with hydrometallurgy, the organic acid is adopted for acid leaching, the method is more environment-friendly and economic, the method has certain environment benefits and economic benefits in the battery recycling field, the method isefficient and easy to operate, safe, reliable and small in secondary pollution, the secondary pollution in the traditional process can be avoided, recycling cost is saved, and efficient recycling of resources is achieved.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Oil casing pipe communicating device for separate-layer fracturing string

The invention relates to an oil casing pipe communicating device for a separate-layer fracturing string. The upper end of a sliding sleeve is propped against a shoulder inside a connector, the sliding sleeve is sleeved with a spring, the upper end surface of the spring is supported on an outer shoulder of the sliding sleeve, a valve core is mounted in the middle of the bottom of the sliding sleeve, a communicating hole is formed in the bottom surface of the sliding sleeve, the upper part of a valve body is connected with the lower part of the connector, the lower end surface of the spring is supported on a shoulder in the valve body, a valve opening is formed in the lower part of the valve body, the valve opening and the valve core cooperate for sealing and can stop a liquid flow from the upper part, the upper part of a hanging basket is connected onto a middle thread of an upper joint, a lower thread of the upper joint is connected with the upper part of a connecting pipe, an annular space is formed between the connecting pipe and the hanging basket, a baffle is arranged at the bottom of the hanging basket, sieve holes are formed in a pipe body, and the lower part of the connecting pipe is connected with the upper part of the connector. After construction is completed, the valve core leaves the valve opening when a string is lifted, the fracturing string is communicated, the liquid flow in the string leaks into a well, so that environmental pollution can be prevented, and operation construction is convenient.
Owner:东营市兆鑫工贸有限责任公司

Camera device for observing lifting hook hoisting in tower crane cab and use method

The invention provides a camera device for observing lifting hook hoisting in a tower crane cab, the camera device comprises a mounting assembly and a tower crane body, the tower crane body comprises a rectangular plate and a cab shell, and the mounting assembly comprises a mounting groove, a fixed rod, a movable rod, a ball, a first spring, a first inclined rod, a groove, a positioning rod, a movable plate and a second spring. An electric telescopic rod drives a moving plate to move, the moving plate drives a moving rod to slide on a fixed rod through a first inclined rod, the moving rod drives a ball to be separated from a clamping groove, a connecting plate drives a camera to move, and the camera drives a signal transmitter to move, so that surface dust cleaning and maintenance of the camera are facilitated. The motor drives the screw rod to rotate, the screw rod drives the transverse plate to move downwards, the transverse plate drives the rectangular block to slide on the corresponding square rod, the rectangular block moves and rotates through the second inclined rod, the second inclined rod drives the concentric-square-shaped plate to rotate on the displayer, the concentric-square-shaped plate drives the screen to incline, and the purpose that the screen is convenient to maintain is achieved.
Owner:JIANGSU NANTONG NO 2 CONSTR ENG GRP

Roof beam reinforcing mechanism

The invention discloses a roof beam reinforcing mechanism. The roof beam reinforcing mechanism comprises an I-shaped beam, and a main beam is arranged at the top of the I-shaped beam. Positioning grooves are formed in the two sides of the bottom of the I-shaped beam. Positioning blocks are arranged at the tops of inner cavities of the positioning grooves. The bottoms of the positioning blocks arefixedly connected with supporting rods, and reinforcing assemblies are arranged on the left sides of the supporting rods. According to the roof beam reinforcing mechanism, by means of the mutual cooperation of the I-shaped beam, the main beam, the positioning grooves, the positioning blocks, the supporting rods, the reinforcing assemblies, an auxiliary assembly, a first movable block, a reinforcing rod, a supporting block and a second movable block, the advantage of being good in stabilizing effect is achieved, and the problem that an existing roof beam reinforcing mechanism is poor in stabilizing effect is solved; reduction of the roof beam stabilizing performance is avoided, collapse of a roof beam after long-time use is avoided, and safety accidents are avoided; and a fixing mechanism is simple in structure and convenient to assemble, time and labor are saved, the work intensity is reduced, and the needs of a user can be met.
Owner:CHINA THIRD METALLURGICAL GRP

Mixing device for feed for raising chicken and ducks

InactiveCN108970505ASolve the problem of insufficient mixingStir wellShaking/oscillating/vibrating mixersFeeding-stuffEngineeringPulley
The invention discloses a mixing device for feed for raising chicken and ducks. The mixing device comprises a bottom plate, wherein the top part of the bottom plate is fixedly connected with a shell;a first opening is formed in the right side of the top part of the shell; a stirring tank is arranged in an inner cavity of the shell; pulleys are fixedly arranged at four corners of the bottom part of the stirring tank; the pulleys are connected with the bottom part of the inner cavity of the shell in a sliding way; the left side of the top part of the stirring tank is communicated with a feedingcabin; the left side of the top part of the stirring tank is communicated with a feeding hopper. According to the mixing device disclosed by the invention, through the arrangement and the matching use of the bottom plate, the shell, the first opening, the stirring tank, the pulleys, the feeding cabin, the feeding hopper, a transmission mechanism, a gear rack, a transmission box, a framework, a first motor, a stirring rod and stirring blades, the problem that sufficient stirring cannot be carried out by an existing feed stirrer is solved; the mixing device for the feed for raising the chickenand the ducks, disclosed by the invention, has the advantage that feed stirring is uniform, and is convenient to digest feed by animals, and the practicability of a stirrer is improved.
Owner:无为县龙口花卉苗木有限公司

Pen container for students

The invention discloses a pen container for students. The pen container comprises a rectangular container body, a first separation plate with the hollow interior is fixedly arranged in the container body, a groove is formed in the position, located on the lower side of the first separation plate, of the container body, a storage drawer is movably mounted in the groove, a first vertical sliding groove is formed in one side of the container body, a first sliding block is movably connected to the interior of the first sliding groove, and one side, away from the container body, of the first sliding block is movably connected with a container cover through a hinge; and the interior of the container wall of the container body is hollow, a second transverse sliding groove is formed in the side face of an inner cavity of the container wall, and a second sliding block is movably mounted in the second sliding groove. According to the pen container for the students, after pens, erasers and other stationery are put into the container body, a container cover is located on the top of the container body through the joint effect of the first sliding block and the hinge, then the container body is covered with the container cover, carrying is convenient, convenience and rapidness are high, it is ensured that pointed objects like the pen cannot cause the safety accidents, and safety of the students is facilitated.
Owner:HAIMEN CANGYUN MACHINERY CO LTD
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