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2813results about "Liquid transferring devices" patented technology

Canteen

InactiveUS20090218309A1Assure drinking sanitationEnsure hygieneClosuresBottlesEngineeringRotation control
A canteen is composed of a main body, a cover, a control unit, a valve and an annular blocker. The cover is engaged with the main body, having a jointing tube protruding into the main body and two notches cut in the jointing tube. The control unit is fixed on the cover, having a jointing portion, two grooves formed in the jointing portion and reversely shaped to correspond to the notches of the cover, and a sucker bored with an outlet. The valve is installed in the control unit, having a bar to correspond to the outlet, and a guiding rod transversely extended out from its bottom to extend through the grooves and the notches of the cover. When rotating the control unit, the valve is moved up and down to be separated from or to clog the outlet, convenient for using and preventing the suction portion from contaminated.
Owner:WANG WU CHING YUEH

Liquid pump with adjustable length and feed tank

A liquid pump with adjustable length and a feed tank are provided. The liquid pump includes a tube component, a pump body, a sealing ring, and a fixing piece. The tube component includes a first tube and a second tube, the first tube and the second tube are sleeved with each other, the first tube is slidable relative to the second tube. The pump body is mounted in a first end of the first tube away from the second tube. The sealing ring is hermetically connected between the first tube and the second tube. The fixing piece is sleeved on the first tube and the second tube. The fixing piece is configured to fix the first tube and the second tube. A length of the tube component is flexibly adjusted to match tanks of different depths, while taking into account sealing and stability.
Owner:ZHONGSHAN PEILI TECH CO LTD

Oil stock early warning method based on real-time perception

The invention provides an oil inventory early warning method based on real-time perception, and the method comprises the steps: obtaining the suction pressure data of an oil and gas recovery device in real time, monitoring the real-time change trend of the suction pressure, and determining that the suction pressure has abnormal fluctuation if the pressure change exceeds a normal fluctuation range; if the air suction pressure abnormal fluctuation degree exceeds a preset fluctuation threshold value, the real-time pressure value of each storage tank is obtained from a pressure sensor of the multiple storage tanks, the difference value between the current pressure and the target pressure is calculated, and the distribution characteristics of pressure fluctuation are determined; oil flow data of each storage tank is obtained through an oil metering device, the change before and after the valve opening is adjusted is combined, the increase and decrease of loss and the change of loss rate after the valve opening is adjusted are analyzed, and the mapping relation between the valve opening and loss is established.
Owner:GUANGDONG JITONG INFORMATION DEV CO LTD

Portable fuel tank

Proposed is a portable fuel tank. In more detail, proposed is a portable fuel tank that enables easy discharge of fuel by coupling a fueling device including a pump and a fueling nozzle to a body, which can be carried and stores fuel therein, and that enables the fueling device to be protected by including a cover that enables the fueling device to be fixed to the body and covers the fueling device. The portable fuel tank may include a body configured to be able to store fuel therein and having a handle to be portable and a fueling device coupled to the body to supply the fuel stored in the body.
Owner:DUKSHIN CORP +1

Automatic crane pipe linear downward insertion method, system and equipment and medium

The invention provides an automatic crane pipe linear downward insertion method, system and device and a medium, and belongs to the technical field of crane pipes. The method comprises the steps that a tank opening corresponding to downward insertion is recognized, and coordinates of the tank opening are analyzed; obtaining an initial position, a target position and an insertion point number of straight line insertion; analyzing the coordinate of each point according to the interpolated point number; based on the coordinate of each point, the rotation angle of the mechanical arm corresponding to each point is calculated; calculating an encoder value of a driver according to the rotation angle of the mechanical arm corresponding to each point; and the driver is controlled according to the value of the encoder to drive the mechanical arm to move to the corresponding downward insertion point, and downward insertion operation is executed. Through the arrangement of the timer and the movement completion mark, the movement of each shaft can be tightly matched, and the phenomena of incoordination and jamming in the movement process are avoided. The crane pipe can sequentially complete movement of all points according to the preset track and sequence, the positioning precision and the operation efficiency of the crane pipe are improved, and meanwhile the risks of touching a tank opening and the like are reduced.
Owner:山东浪潮智能生产技术有限公司

Portable bulk fuel storage and discharge apparatus

A fuel tank assembly comprise may comprise a tank, a pump, a hose, and a hose hanger. The tank defines an interior volume for holding fluid. The pump is in communication with the interior volume of the tank and includes an output nozzle. The hose is coupled to the output nozzle and is operable to receive fluid transmitted by the pump. The hose hanger is operatively coupled to the tank and configured to retain the hose. The fuel tank assembly may also include a dispensing apparatus on a distal end of the hose for discharging fluid received from the pump.
Owner:SCEPTER US HOLDING CO

Intelligent filling system

InactiveCN120057839ALiquid transferring devices
The invention relates to the field of industrial automation, and discloses an intelligent filling system which comprises a PLC module used for logic control and data processing; the sensor module is used for monitoring the liquid levels of the anti-freezing liquid oil tank and the engine oil tank in real time through a liquid level sensor; the flow meter module is used for detecting the flow of the anti-freezing solution and the engine oil through a flow meter; the oil pump control module is used for conveying anti-freezing liquid or engine oil through an oil pump; the valve module is used for controlling the flow of the anti-freezing solution or the engine oil through an electromagnetic valve; the touch control module is used for performing parameter setting, operation state display and alarm prompt through an HMI touch screen; and the industrial Ethernet module is used for realizing communication between the PLC module and other components. Through cooperation of the flowmeter and the PLC, the flow and the accumulative filling amount are monitored in real time, the states of an oil pump and a valve are dynamically adjusted according to a target value, control logic is optimized, the filling precision is improved, liquid waste is remarkably reduced, and the economical efficiency and the environmental protection property of the system are improved.
Owner:HUNAN YICHANG LISHI MACHINE

Intelligent calibration method for oiling machine

The invention relates to the technical field of refueling machine calibration, in particular to an intelligent refueling machine calibration method which comprises the following steps that a sensor is installed in a refueling machine, the initial temperature of an oil product is captured, the outflow volume of the oil product is accurately measured, and flow velocity information of the oil product is fed back in real time; configuring an intelligent valve, and setting opening and closing conditions of the valve; during oiling machine calibration, data in the whole calibration process is encrypted through an asymmetric encryption algorithm, when a calibration result is generated, a block chain links a data hash value to prevent the result from being tampered, and the identity authentication of an oil gun is authenticated through a universal unique identification code; real-time monitoring is achieved through a sensor, an alarm is triggered when abnormity occurs, meanwhile, an uninterruptible power supply is arranged, power supply is seamlessly switched at the moment of mains supply outage, and continuous operation of key assemblies is ensured. According to the invention, through high-precision temperature acquisition, in combination with precise flow monitoring and foam discrimination technologies, oil thermal expansion and cold contraction and foam influence are considered, the volume is precisely converted, and the metering error is greatly reduced.
Owner:中国石化销售股份有限公司

Loading arm liquid receiving mechanism

ActiveCN222922899ULiquid transferring devices
The utility model relates to the technical field of crane pipes, and discloses a crane pipe liquid receiving mechanism which comprises a vertical pipe moving up and down and a liquid receiving hopper, the vertical pipe is connected with the liquid receiving hopper through a rotating mechanism, the rotating mechanism comprises a connecting plate and a rotating motor, the rotating motor is installed on the connecting plate, the connecting plate is connected with the vertical pipe, and the rotating motor is connected with a telescopic motor. The telescopic motor is connected with the liquid receiving hopper, the liquid receiving hopper comprises an inner hopper for receiving leaked liquid and an outer hopper for placing the inner hopper, and the outer hopper is connected with the telescopic motor; the liquid receiving hopper is used for receiving leakage of residual liquid in the vertical pipe and preventing the residual liquid from leaking and splashing everywhere to damage the environment, the vertical pipe can drive the liquid receiving hopper to rotate and deviate from the vertical pipe through the rotating mechanism, then the telescopic motor is used for recycling, the liquid receiving hopper is prevented from influencing insertion of the vertical pipe into a tank car, and the problem that part of material residual liquid easily leaks after loading of the crane pipe is completed is solved. The liquid receiving hopper receives leaked liquid through the inner hopper and the inner hopper is placed through the outer hopper, so that the inner hopper is convenient to take out and residual liquid is convenient to pour out.
Owner:SHENZHEN AUTOWARE SCI&TECH CO LTD

Adjustable Quick Alignment Device for Oil Supply Crane Pipe

Provided is an adjustable quick alignment device for an oil filling crane pipe, which includes a sealing mechanism 1, a multi-jaw chuck mechanism 2, and a driving mechanism 3. 【Solution means】The sealing mechanism includes an oil delivery pipe, a screw sleeve, an inner sealing spacer ring, an outer sealing O-ring, a cover plate, and a stopper disk. A multi-jaw chuck mechanism is mounted on the stopper disk. When the driving mechanism rotates, the stopper disk and the screw sleeve are rotated. The rotation of the stopper disk causes the gripping jaws of the multi-jaw chuck mechanism to expand and contract, realizing the grasping and unloading of the inlet flange. The screw sleeve moves along the axial direction of the oil delivery pipe. The cover plate presses the outer sealing O-ring to press the inlet flange to form a primary seal, presses the inner wall of the inner sealing spacer ring, expands at the conical trumpet opening of the oil delivery pipe, and presses the inner wall of the inlet flange to form a secondary seal.
Owner:JIANGSU UNIV OF SCI & TECH

Aerial refueling systems and methods

Disclosed herein are methods, systems, and aircraft for verifying performing automated refueling data. A method includes receiving a two-dimensional (2D) image from a camera, cropping the 2D image based on predefined feature areas of interest of a target object to produce a plurality of cropped images, resizing one or more of the cropped images responsive to the target object being greater than a threshold distance from the camera to produce one or more resized images, determining 2D keypoints of the target object within the one or more resized images or the plurality of cropped images, estimating a 6 degrees-of-freedom (6DOF) pose based on the 2D keypoints and a three-dimensional (3D) model of the target object to produce an estimated 6DOF pose, and outputting the 6DOF pose.
Owner:THE BOEING CO

Intelligent liquid level display for auxiliary tanks

A system to display liquid levels in vehicle auxiliary tanks is disclosed. The vehicle includes a plurality of auxiliary tanks disposed on a vehicle cargo bed. The vehicle further includes a first detection unit to detect a user activity associated with the plurality of auxiliary tanks, and a second detection unit to measure a vehicle weight. The vehicle further includes a control unit to identify a first auxiliary tank, from the plurality of auxiliary tanks, which is associated with the user activity. The control unit further determines a vehicle weight change based on the measurement of weight and an initial vehicle weight. In addition, the control unit correlates first auxiliary tank identification and weight change determination, and calculates a liquid level change associated with the first auxiliary tank. Responsive to the calculation, the control unit displays the liquid level change on a user interface.
Owner:FORD GLOBAL TECH LLC

Product delivery systems for liquid product transport vehicles and methods of loading liquid products using the same

A product delivery system includes a product transport vehicle having at least a plurality of tank compartments, internal valves, control valves, fluid property sensors, temperature sensors, overfill sensors, pressure sensors, a system controller, and a memory module. The product delivery system may be operable to communicatively connect with the loading system at a loading station, a fleet management system, or a cloud system to obtain information, such as the amount of liquid product to be loaded into a tank compartment. The product delivery system may be operable to compare the volumes of the tank compartments with the amounts of liquid product to be loaded at a loading station and maintain the internal valve or control valve in a locked state or transition the internal valve or control valve to an unlocked state based on the comparison. Other comparisons based on liquid type or distribution tank volume can also be made.
Owner:KNAPPCO CORP

Breakaway valve for a cryogenic fluid tank

A breakaway valve for a cryogenic fluid tank includes a tank-side valve and a nozzle-side valve. The tank-side valve is connected to and forms a first vacuum-insulation layer with a first jacketed hose. The first jacket support includes first bellows configured to reduce heat transfer with the first vacuum-insulation layer and one or more first bellow supports that include first teeth inserted between and engaging the first bellows to provide structural support to the first bellows. The nozzle-side valve is connected to and forms a second vacuum-insulation layer with a second jacketed hose. The second jacket support includes second bellows configured to reduce heat transfer with the second vacuum-insulation layer and one or more second bellow supports that include second teeth inserted between and engaging the second bellows to provide structural support to the second bellows.
Owner:ENGINEERED CONTROLS INT

Loading arm kinematics calibration method, system and equipment based on distance identification and medium

The invention provides a distance identification-based crane tube kinematics calibration method, system and equipment and a medium, and belongs to the technical field of crane tube positioning, a crane tube joint coordinate system and a mechanical arm kinematics model are constructed, differential motion error components generated by each joint coordinate system are transmitted and synthesized step by step, and a mechanical arm kinematics calibration model is constructed. Obtaining a mapping relation between the space error and the kinematics parameter error and the pose deviation of each joint; the loading arm is driven to execute multi-attitude composite motion; target features at different distances and inclination angles are extracted and positioned; establishing a mapping relation between image pixel coordinates and three-dimensional space coordinates, and calculating the depth and coordinates of the target point in the three-dimensional space; and fusing the tail end pose error model and a target actual measurement space coordinate to realize nonlinear optimization and stable convergence of parameter correction. The motion deviation of the end effector is effectively compensated, and the positioning precision is improved. According to the method, calculation of a coordinate system transformation matrix is bypassed, and calibration complexity is reduced.
Owner:山东浪潮智能生产技术有限公司 +1

Train water feeding connector device

The invention provides a train water supply connector device, which belongs to the technical field of train water supply, and comprises a locking unit, a sensor unit, a control unit, a water supply pipe, a trigger switch, an upper computer communication interface and a water injection well control valve, the locking unit is used for connecting the train water feeding connector device with a carriage water injection pipe in a sealed mode when a train is fed with water, the control unit is connected with the locking unit, the sensor unit, the trigger switch, the upper computer communication interface and the water injection well control valve, and the control unit is used for controlling the train water feeding process and has an independent working mode and a linkage working mode. The water feeding pipe is arranged at the bottom of the sensor unit and used for supplying water to the train water feeding connector device from a water injection well, the trigger switch is used for starting the control unit to control the water feeding process including the normal water feeding process or emergency stop under the abnormal condition, and the upper computer communication interface is used for receiving a control instruction of an upper computer in a linkage mode.
Owner:BEIJING JIAOTONG UNIV

Liquid oxygen propellant filling system and pre-cooling pump starting method thereof

The invention relates to the technical field of low-temperature propellant filling, in particular to a liquid oxygen propellant filling system and a pre-cooling pump starting method thereof, and provides the liquid oxygen propellant filling system which cancels a filling bypass, reduces the bypass leakage risk, enables the whole filling system to be more simplified, and improves the filling efficiency. The invention further provides a pre-cooling pump starting method of the liquid oxygen propellant filling system. The pre-cooling pump starting method comprises the following steps that the pipeline is pre-cooled, the filling valve at the liquid oxygen storage tank end is opened, the filling valve at the rocket liquid oxygen storage tank end is closed, the exhaust valve is opened, liquid oxygen flows through the pipeline, and the pipeline is pre-cooled. Pre-cooling the storage tank, namely pre-cooling the storage tank after the pipeline is pre-cooled; starting the pump for pre-cooling, starting the liquid oxygen filling pump at low frequency, and gradually increasing the frequency of the liquid oxygen filling pump. Storage tank filling is carried out through the high-position pump and the low-position pump, liquid oxygen does not need to be extruded into the storage tank through bypass pressure increasing, the precooling flow process does not need to be interrupted, procedure conversion of liquid oxygen precooling and large-flow filling is not needed, the operation difficulty is reduced, and the filling time is shortened.
Owner:XICHANG SATELLITE LAUNCH CENT

Automatic liquid injection tool system

The invention belongs to the technical field of energy storage, and particularly relates to an automatic liquid injection tool system. The automatic liquid injection tool system comprises a liquid suction pipeline, a pulse driving module, a liquid injection pipeline and a first pressure detection module. According to the automatic liquid injection tool system, the pulse driving module is used for synchronously exhausting the gas in the pipeline of the energy storage system in the liquid injection process, so that the situation that the operation of the energy storage system is affected by gas residues in the liquid injection process is avoided. Meanwhile, the first pressure detection module is used for monitoring the pressure of the cooling liquid in the liquid injection pipeline in real time, and when the pressure reaches a preset threshold value of the first pressure detection module, the pulse driving module stops running, so that automatic liquid injection control is achieved. Compared with an existing vacuumizing liquid injection and flow pump liquid injection scheme, the automatic liquid injection tool system does not need to use vacuum equipment, and complexity and cost when the vacuum liquid injection scheme is adopted are reduced; and compared with a flow pump liquid injection scheme, the problem of gas residues in the energy storage system can be effectively solved.
Owner:JINGAO ENERGY STORAGE TECHNOLOGY (SHANGHAI) CO LTD +1

Oil extraction detection robot docking device and docking method

The invention discloses an oil extraction detection robot docking device and docking method, and belongs to the technical field of oil extraction detection, the docking device comprises a robot docking bottom plate, an oil sample external introduction standard pile, a docking female head unit, a docking male head unit and a robot body; the oil sample external introduction standard pile is fixed on the butt joint bottom plate; the butt joint female head unit is mounted on the oil sample external leading standard pile, and the butt joint male head unit is mounted on the robot body; the butt joint female head unit is connected with the butt joint male head unit on the robot body; when an oil taking detection task is executed, the robot body walks to the butt joint bottom plate, the robot butt joint bottom plate enables the robot body and the oil sample leading-out standard pile to be located on the same plane and height, it is guaranteed that the butt joint female head unit and the butt joint male head unit are in butt joint, and oil taking detection is achieved. According to the invention, a foundation does not need to be constructed, the work amount of on-site construction of the butt joint device is reduced, the reliability and success rate of butt joint of the male and female joints are improved, and the reliability of butt joint and the safety of oil sample collection are ensured.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD RESEARCH INSTITUTE +2

Oil gas treatment method and system based on pressure triggering and temperature feedback control, medium and product

The invention discloses an oil gas treatment method and system based on pressure triggering and temperature feedback control, a medium and a product, and relates to the field of oil gas treatment. The method comprises the following steps: when a pressure value and an actual temperature of an oil tank meet trigger conditions, guiding oil gas in the oil tank into a condensation unit for condensation, liquefying preset high-boiling-point components in the oil gas into a liquid oil product, and adsorbing the condensed residual oil gas through a double-layer adsorption bed arranged in an adsorption tank in sequence; according to the temperature of the adsorption bed and the tail gas emission concentration, the saturation index is calculated through a composite saturation judgment algorithm, when adsorption is saturated, the vacuum pump is started to conduct vacuum desorption on the adsorption tank, oil gas adsorbed on the double-layer adsorption bed is desorbed, and the desorbed oil gas is circularly sent back to an inlet of the condensation unit to be subjected to secondary condensation liquefaction recovery. By implementing the technical scheme, oil gas can be effectively treated, and the oil gas recovery efficiency is improved.
Owner:BEIJING HENGHE INFORMATION & TECH CO LTD

Oiling machine cheating checking method and device

The invention discloses a method and a device for checking cheating of an oiling machine. The method comprises the following steps: receiving a serial number pairing relationship between an encoder of the oiling machine and a monitoring microprocessor; according to the serial number matching relationship, generating a false serial number different from the standard serial number of the monitoring microprocessor and sending the false serial number to the encoder; and under the condition that the refueling machine refuels for a specific number of times but is still not locked, determining that cheating exists in the refueling machine. Whether the self-locking function of the oiling machine is broken or not is tested by means of the false serial number generated on purpose, so that the cheating behavior of the oiling machine can be quickly, effectively and conveniently checked.
Owner:北京市朝阳区计量检测所

Gas station oil gas recovery intelligent operation and maintenance system based on high-performance flow measurement

The invention relates to the technical field of oil gas recovery, and discloses a gas station oil gas recovery intelligent operation and maintenance system based on high-performance flow measurement, and the system comprises a collection module which is used for collecting the oil gun refueling amount, the oil gas recovery amount and the recovered oil gas pipeline pressure in real time through a sensor in the refueling process, and collecting the control degree used for controlling the oil gas flow; the correction module is used for correcting the control degree value by using an extended Kalman filtering algorithm to dynamically correct the oil and gas recovery amount, recursively estimating the flow state through the extended Kalman filtering algorithm and outputting the corrected gas-liquid ratio; the judgment module is used for judging whether the corrected gas-liquid ratio is in a preset normal interval or not, judging that the system equipment is normal if the corrected gas-liquid ratio is in the preset normal interval, and performing equipment state diagnosis based on a Bi-LSTM network and a VMD algorithm if the corrected gas-liquid ratio is not in the preset normal interval; the generation module is used for generating an optimal operation and maintenance scheme by adopting a DQN network based on the diagnosis result and generating a corresponding operation and maintenance instruction; intelligent operation and maintenance of gas station oil gas recovery are promoted.
Owner:HEFEI COMATE INTELLIGENT SENSOR TECH CO LTD

Oil outlet nozzle for oil drums

An oil outlet nozzle for oil drums for oil drums, comprising: Fixed pipe, including oil inlet and oil outlet; And The closing mechanism, which is arranged at the oil inlet of the fixed pipe, and is provided at the bottom of the closing mechanism with a first sealing structure which is used to open and close the oil circuit channel of the oil inlet; And The oil outlet pipe which can be axially slidably inserted into the oil outlet port, the outer wall of which is provided with a second sealing structure which is used to seal the gap between the oil outlet pipe and the fixed pipe; And The linkage structure disposed between the oil outlet pipe and the locking mechanism; And Wherein the first sealing structure and the second sealing structure are physically separated from each other and operate independently of each other; And The linkage structure converts the axial displacement of the oil outlet pipe into an opening and closing movement of the locking mechanism.
Owner:YANG RUOBING NINGBO CITY

Brake fluid filling venting device and control method and system thereof

The application discloses a brake fluid filling and exhaust device and a control method and system thereof. The device comprises a liquid supplement tank, a liquid supplement pipeline, a liquid return pipeline, a first valve and a second valve. The liquid supplement tank is internally provided with a filter, the top of the tank body is provided with an exhaust port, one side of the tank body is connected with the liquid supplement pipeline, the liquid supplement pipeline is provided with the first valve, the other side of the tank body is connected with the liquid return pipeline, and the liquid return pipeline is provided with the second valve. When brake fluid is filled, the liquid supplement tank, the liquid supplement pipeline, a liquid storage pot, brake calipers and the liquid return pipeline are communicated to form a circulating passage of brake fluid, and when a stop-filling condition is met, the liquid storage pot stops filling brake fluid to the brake calipers, and the stop-filling condition at least comprises that gas in the brake system is exhausted. Through the technical scheme provided by the application, gas in brake fluid can be filtered, separated and exhausted from the exhaust port in the brake fluid circulation process, automatic filling and exhaust of brake fluid are realized, and the filling and exhaust efficiency of brake fluid is improved.
Owner:DONGFENG MOTOR GRP

Flexible tank having ring part

A flexible tank for carrying liquid or liquid-based material in a vehicle chassis or in a container is provided, and the flexible tank has a body which defines a closed volume, at least one ring part which narrows the cross-section of said body and which forms at least one first compartment and at least one second compartment, and the flexible tank further has at least one filling inlet. Accordingly, the improvement is that the subject matter flexible tank includes at least one folding region defined between one each folding lines provided at a first distance at both sides of the ring part and folded onto or under at least one of the first compartment and the second compartment after approaching of the folding lines to each other.
Owner:LIKUA ENDUSTRIYEL AMBALAJ MALZM SAN VE TIC LTD STI

Dispensing Portioner

A portion dispensing system including a portioner configured with a controller. The portioner includes a piston configured to move within a container and force product in the container out of a nozzle opening. The controller controls the piston to dispense an input product weight and can detect the weight of dispensed product. The controller can adjust the piston to provide different weights of dispensed product and can provide pullback to substantially provide accurate dosing and eliminate product from oozing out of the nozzle opening.
Owner:LOWTEMP IND LLC

Oil gas recovery remote monitoring and management system based on Internet of Things

The invention discloses an oil and gas recovery remote monitoring and management system based on the Internet of Things, and the system comprises a data collection module which is used for collecting the working condition parameters of oil and gas recovery equipment through a multi-dimensional sensor network when the operation state of the oil and gas recovery equipment is monitored; the analysis processing module is used for analyzing the working condition parameters based on a preset working condition threshold value and an operation model to obtain an operation state analysis result, and the operation state analysis result comprises the operation state and efficiency of the oil and gas recovery system; and the remote management module is used for establishing a remote management mechanism according to the operation state analysis result and realizing intelligent control and safety monitoring of the oil gas recovery system. An efficient remote management mechanism is established, and the system has important significance in improving the operation efficiency, safety and environmental protection performance of the oil gas recovery system.
Owner:HUBEI HONGYI ELECTRONIC TECH CO LTD

Drainage device

The application discloses a kind of liquid discharge devices, it is arranged in the bottom of tank, the liquid discharge device includes: fixed tube is fixedly arranged below the tank;First telescopic pipe is worn the fixed tube, first piston component is formed on the first telescopic pipe, first piston component divides the inner portion of the fixed tube into first upper chamber and first lower chamber, first upper fluid passage and first lower fluid passage are opened in the fixed tube respectively with first upper chamber and first lower chamber communication;Drive first telescopic pipe to move upward or downward by the first lower fluid passage into first lower chamber into pressure fluid or by the first upper fluid passage into first upper chamber into pressure fluid to adjust telescopic amount relative to the fixed tube;The first telescopic pipe is used to directly or indirectly discharge supernatant in the tank from tank.
Owner:HEBEI DINGZHIYUAN BIOTECHNOLOGY ENG CO LTD

Non-pressure fuel oil filling system based on fluid driving, filling method and mining equipment

The invention discloses a non-pressure fuel oil filling system and method based on fluid driving and mining equipment, and the system comprises a fuel oil tank which is used as a fuel oil storage main body; the receiver serves as an initial channel for fuel oil to enter and comprises a filling port plug, a receiver shell and a filling reset spring, the filling port plug is movably installed at the inlet end of the receiver shell, and the filling reset spring is installed between the filling port plug and the receiver shell in a sleeved mode; the controller is fixed to the side, away from the oil gun, of the receiver, the controller comprises a switching valve element capable of moving in the axial direction, and the switching valve element can open or close an oil filling window in the controller under the action of the fluid pressure difference; the respirator is mounted at the top of the fuel tank and comprises an air intake and exhaust structure for balancing air pressure inside and outside the fuel tank and a cut-off floating ball capable of ascending and descending along with the oil level in the fuel tank; and two ends of the control oil pipe are respectively communicated with the controller and the respirator. The method is suitable for mine scenes, and has both safety and protection.
Owner:XUZHOU XCMG MINING MACHINERY CO LTD