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1075 results about "Water jacket" patented technology
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A water jacket is a water-filled casing surrounding a device, typically a metal sheath having intake and outlet vents to allow water to be pumped through and circulated. The flow of water to an external heating or cooling device allows precise temperature control of the device.
Self-correction optimization method and system for heat transfer boundary conditions of water jacket heater
The invention discloses a self-correction optimization method and system for heat transfer boundary conditions of a water jacket heater, and particularly relates to the technical field of condition optimization control. The method comprises the following steps: constructing a thermal fatigue deformation trend estimation model by collecting a furnace wall surface temperature sequence, furnace wall surface heat flux distribution information and a furnace wall thermal stress response curve of a furnace body structure component, and generating a geometric parameter drift vector; performing structure equivalent mapping analysis on the geometric parameter drift vector, and extracting contact thermal resistance change information; performing furnace wall heat flow field reconstruction on the geometric parameter drift vector to obtain a dynamic correction vector; and the contact thermal resistance change information and the heat flow correction vector are comprehensively analyzed, a time-varying boundary condition inversion model is constructed, and a multi-parameter coupling boundary correction set is output and used for updating the boundary conditions in the water jacket heating furnace heat transfer simulation model, so that identification and self-adaptive correction of the boundary conditions are realized, and the heat transfer control precision and the heat efficiency are improved.
Owner:CHINA OIL BLUE OCEAN PETROLEUM TECH
Multi-stage blade disk multi-blade sleeve electrochemical machining mechanism and method
The present invention discloses a multi-stage blade disk multi-blade sleeve type electrolytic machining mechanism and method, belonging to the field of electrolytic machining. Connecting rods and cross bits are designed to convert the one-dimensional rotational motion of the main drive shaft into the feed motion of the multi-stage cathode, so as to realize the simultaneous electrolytic machining of multi-stage blades, improve the efficiency of electrolytic machining, and shorten the machining cycle of the overall component. Limiting rings and limiting blocks are designed to realize the centripetal feed motion of the cathode part of each level of tool. According to the characteristics of the blades, by adjusting the inner contour of the cathode, the inner contour of the insulating water jacket, the installation position of the mounting rod on the disc, the position and radial length of the radial limiting groove and other parameters, the simultaneous electrolytic machining of two-stage blades with different characteristics is realized.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Cooling system of coal mining conveying device for underground coal mine
The utility model provides a cooling system of a coal mining conveying device for an underground coal mine. The cooling system comprises a water pump, an inlet end of which is connected to a motor and a speed reducer water jacket in the coal mine conveying device through a pipeline; one end of the air-water radiator is connected to the outlet end of the water pump through a pipeline; each electric three-way valve comprises a port A, a port B and a port C, the two electric three-way valves are arranged in the system, and the ports A of the two electric three-way valves are connected with each other; ports B of the two electric three-way valves are connected through the heat exchanger. The heat dissipation system of the coal mining conveying device for the underground coal mine solves the problems that existing equipment seriously depends on an external low-temperature water source, has certain potential safety hazards and cannot be used in an occasion with the high water source temperature, and has the advantages that the external water source does not need to be additionally connected, and water cannot be drained to the outside; and environmental damage and pollution to the working face can be reduced.
Owner:LIANXU ENERGY TECH (ZHEJIANG) CO LTD
Heating furnace energy efficiency optimization method and system
ActiveCN120387038AControl of fluid heatersComplex mathematical operationsThermal dilatationHeat flow
The invention discloses a heating furnace energy efficiency optimization method and system, and particularly relates to the technical field of operation control. The method comprises the following steps: acquiring boiling state parameters and structural deformation parameters of a water jacket heater in an operation process, identifying a critical point position of conversion from nuclear boiling to membrane boiling and membrane boiling duration, and calculating a thermal expansion displacement rate and an oscillation phase angle of a furnace shell; a heat transfer coefficient fluctuation compensation factor is generated by analyzing the phase lag relation between boiling phase change circulation and thermal expansion deformation; calculating a heat flow distribution adjustment amount according to the heat transfer coefficient fluctuation compensation factor; calculating a dynamic compensation correction coefficient by combining the flow velocity variable quantity of the cooling water and the flow-thermal expansion transfer function; based on the heat flow distribution adjustment amount and the dynamic compensation correction coefficient, the power output and the cooling water flow of the water jacket heating furnace are regulated and controlled, dynamic optimization adjustment of the heat transfer behavior of the heating furnace is achieved, and the energy efficiency stability and the heat transfer control precision of the water jacket heating furnace under complex working conditions are effectively improved.
Owner:CHINA OIL BLUE OCEAN PETROLEUM TECH
Anti-icing method for engine air inlet system, engine air inlet system and vehicle
The invention discloses an anti-icing method for an engine air inlet system, the engine air inlet system and a vehicle, and belongs to the technical field of engines. According to the anti-icing method for the engine air inlet system, the engine air inlet system and the vehicle, when the engine is in low-temperature cold start, the water vapor content in the engine air inlet system is reduced by reducing the torque of the engine; and / or the speed of the vehicle is reduced, so that the situation that the temperature of cooling liquid in a water jacket of the engine rises too slowly due to the fact that the vehicle purges the engine windward is avoided; when the temperature of the cooling liquid in the water jacket of the engine is low, adverse factors causing icing of an air inlet system of the engine are weakened, and the icing risk is reduced; when the temperature of the engine is too low, the temperature of the cooling liquid in the water jacket of the engine is high, the EGR mixer and the air inlet mixer are heated through waste heat of the engine, the problem that water separated out of high-temperature waste gas is frozen is solved, the purpose of preventing freezing can be achieved, cost is low, and system robustness is high.
Owner:FAW JIEFANG AUTOMOTIVE CO
Air suspension turbine power generation and refrigeration integrated device
ActiveCN120925920ACompression machinesLeakage preventionPermanent magnet synchronous generatorWater jacket
The invention discloses an air suspension turbine power generation and refrigeration integrated device which comprises a shell, a stator and a rotor spindle, the rotor spindle is rotationally arranged in the shell through a bearing assembly, the stator is fixed in the shell and is coaxial with the rotor spindle, and an air gap exists between the stator and the rotor spindle to form a permanent magnet synchronous generator. The rotor further comprises a first-stage volute, a second-stage volute, a first-stage radial flow turbine, a second-stage radial flow turbine, a volute connecting pipe and a cooling water jacket, the first-stage volute and the second-stage volute are fixed to the two ends of the shell respectively, and the first-stage radial flow turbine and the second-stage radial flow turbine are coaxially fixed to the two ends of the rotor spindle respectively and are arranged back to back; the first-stage radial flow turbine is located in the first-stage volute, the second-stage radial flow turbine is located in the second-stage volute, the first-stage volute is provided with a high-temperature and high-pressure air inlet and a first-stage air outlet, and the second-stage volute is provided with a second-stage air inlet and an expansion cooling air exhaust port; the device has the advantages of being capable of stably running at a high speed in a high-altitude low-pressure environment and simultaneously achieving efficient power generation and refrigeration functions.
Owner:BEIJING HUDU ENERGY TECH CO LTD
A slag barrier plate for a side-blown melting furnace with a molten bath
A slag barrier plate for a side-blown melting furnace with a melting bath, characterized in that it comprises: a slag barrier unit (1) with a plate body (11) for holding back molten slag; a heat dissipation unit (2) comprising: a cooling water jacket (21) extending through the interior of the plate body (11) to continuously introduce cooling medium into the plate body (11) to lower its temperature; a distributor arrangement (22) arranged at the end of the cooling water jacket (21) to introduce the cooling medium into the cooling water jacket (21).
Owner:YUNNAN COPPER CO LTD
Optical visualization test device suitable for transverse jet mixing characteristic research under different conditions
The invention discloses an optical visualization test device suitable for transverse jet mixing characteristic research under different conditions. The optical visualization test device mainly comprises an air inlet diffusion section, a main body mixing section and an exhaust structure section. The main body mixing section is of a double-layer structure with an inner-layer main temperature bearing function and an outer-layer main pressure bearing function, an independent cooling cavity is formed between the flame tube and the cartridge receiver, replaceable flat straight flow channel or contraction flow channel installation bases are arranged on the upper wall face and the lower wall face of the flame tube, and multiple functional modules such as main combustion holes and cooling gas film flow channels are integrated. Each wall surface is provided with an optical glass window, and multi-path laser incidence and image acquisition are supported. Blended gas enters the blending holes through the gas collection tank and the flow uniformizing plate, transverse jet flow and main flow blending is formed, and the device is suitable for visual measurement under different rotational flow intensities, cooling conditions and wall surface structures. And the exhaust section is provided with a spraying and water jacket cooling system, so that the exhaust temperature can be effectively controlled. The device is flexible in structure, adjustable in parameter and suitable for combustion chamber jet mixing mechanism research and optical measurement verification.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI +1
Split vertical non-slideway construction design method for shallow water jacket
The invention provides a shallow water jacket split vertical non-slideway construction design method. The method comprises the following steps: generating shallow water jacket split vertical non-slideway construction scheme data; designing a segmented final assembly cushion pier of the upper jacket and an integral shipment transportation cushion pier of the jacket, and outputting cushion pier design data; designing a foundation transformation scheme of the shallow water jacket split vertical non-slideway construction area, and generating foundation transformation scheme data; designing the construction scheme of the lower jacket, the scheme of constructing the upper jacket based on the lower jacket and the hoisting and closing scheme of the upper jacket and the lower jacket, and generating lower jacket construction scheme data, upper jacket construction scheme data and hoisting and closing scheme data. The jacket is divided into the upper jacket and the lower jacket, vertical construction is completed at the same time in a non-slideway area, then folding and final assembly are conducted, the construction period is short, the ship loading speed is high, a slideway is not needed, and occupied space is small; vertical installation can be directly carried out on the sea, and offshore righting operation is not needed.
Owner:ZHONGHAI FULU HEAVY IND CO LTD
Three-cycle high-salinity wastewater low-temperature scraper drying system
The utility model relates to a triple-cycle high-salinity wastewater low-temperature scraper drying system which comprises a roller scraper dryer, a steam condensation chamber, a condensed water tank and a vacuum pump, the vacuum pump vacuumizes the drying cavity through the condensate water tank and the steam condensation chamber. The first heat exchange cycle is suitable for exchanging heat absorbed by the steam condensation chamber to the third heat exchange cycle; the second heat exchange cycle is suitable for exchanging heat of the third heat exchange cycle to the water jacket; and the heat exchange ends on the two sides of the third heat exchange cycle are connected with the first heat exchange cycle and the second heat exchange cycle correspondingly. The three heat exchange cycles work cooperatively, the heat of the first heat exchange cycle is reduced, the heat provided for the second heat exchange cycle by the third heat exchange cycle is reduced, and the hot water in the second heat exchange cycle can still heat the materials in the drying cavity by exceeding the boiling point rise through the auxiliary heat, so that the low water content of the dry materials is effectively ensured.
Owner:JIANGSU KEJIE ENVIRONMENTAL TECH CO LTD
Cooling water jacket, motor and vehicle
ActiveCN223297455UCooling/ventillation arrangementSupports/enclosures/casingsThermodynamicsElectric machinery
The utility model relates to the technical field of motor parts, in particular to a cooling water jacket, a motor and a vehicle. The cooling water jacket comprises a shell, a water inlet and a water outlet; the shell sleeves the outer side of the motor; a cooling channel is arranged in the shell and comprises a plurality of first channels and a plurality of second channels, the first channels are arranged in the axial direction of the shell, the first channels are sequentially communicated to form an axial channel, the second channels are arranged in the circumferential direction of the shell, and the second channels are sequentially communicated to form a circumferential channel. The axial channel is communicated with the circumferential channel; the water inlet and the water outlet are formed in the shell, the water inlet is communicated with the axial channel, and the water outlet is communicated with the circumferential channel. According to the cooling water jacket, the water inlet and the water outlet can be arranged at any two different positions of the shell, so that the arrangement modes of the water inlet and the water outlet in the cooling water jacket are diversified, and the application range of the cooling water jacket is enlarged.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1
A three-stage vacuum pump set using a water-cooled variable frequency integrated motor and a control method
ActiveCN118979876BRotary/oscillating piston combinations for elastic fluidsRotary/oscillating piston pump componentsElectric machineElectric control
The application relates to a three-stage vacuum pump set using a water-cooled variable-frequency integrated motor and a control method. The application comprises a Roots vacuum pump, a Roots pump support frame, a rack and an air inlet flange, and is characterized in that the application further comprises a two-stage dry vacuum pump, an upper-lower pump connecting flange, an electric control system, an exhaust silencer, a communication line joint and a power line joint; the two-stage dry vacuum pump is composed of a high-pressure-difference Roots vacuum pump and a dry screw vacuum pump, the two-stage dry vacuum pump is installed on the rack, and the two-stage dry vacuum pump is located directly below the Roots vacuum pump; the Roots vacuum pump air outlet is connected with the two-stage dry vacuum pump air inlet through the upper-lower pump connecting flange; the exhaust silencer is connected with the two-stage dry vacuum pump air outlet; the high-pressure-difference Roots vacuum pump shell and the dry screw vacuum pump shell are both provided with cooling water jackets. The application has reasonable structure design, small volume, can cope with large load working conditions and reduce the overall failure rate of the Roots vacuum pump.
Owner:杭州久铮技术有限公司
Water jacket insert for die casting of integrated conformal cooling flow channel
The invention discloses a water jacket insert for die casting of an integrated conformal cooling runner, relates to the technical field of metal casting, and aims to solve the technical problem that an existing water jacket insert cannot achieve differential cooling. The water jacket insert comprises an insert body, the conformal cooling runner is formed in the insert body, and a plurality of flow control mechanisms are arranged in the runner; and each group comprises at least two flow control assemblies. The flow control assembly is movably arranged on the limiting assembly and provided with magnetic matching blocks, and the magnetic pole orientations of the magnetic matching blocks in the same set are different. A driving mechanism is arranged on the mold and is used for driving the magnetic control mechanism to generate a direction-controllable external magnetic field. And the external magnetic field acts on the magnetic matching block to drive the flow control assemblies in the same group to generate opposite deflection motion, so that the flowing state of fluid in the flow channel is changed, the insert has at least two different cooling working modes, and active switching between strong cooling and rapid cooling is achieved. The problem that a traditional conformal cooling flow channel cannot be dynamically adjusted is solved, and the flexibility, uniformity and reliability of die-casting cooling are remarkably improved.
Owner:FOSHAN XINBAOSHENG MOULD CO LTD
Electric propulsion device
An electric propulsion device includes a propeller, a motor rotating the propeller, an inverter controlling driving of the motor, and a cooling device cooling the motor and the inverter. The cooling device includes an intake port taking water around the electric propulsion device into the electric propulsion device as cooling water, a drain port discharging the cooling water taken into the electric propulsion device to around the electric propulsion device, a pump flowing the cooling water from the intake port to the drain port in the electric propulsion device, a motor water jacket cooling the motor with cooling water taken into the electric propulsion device, and an inverter water jacket cooling the inverter with cooling water taken into the electric propulsion device. The motor water jacket and the inverter water jacket are connected in series between the intake port and the drain port in the electric propulsion device.
Owner:SUZUKI MOTOR CORP
Sliding vane type air compressor
PendingCN120759761ARotary piston pumpsRotary piston liquid enginesTemperature controlElectric machinery
The invention provides a sliding vane type air compressor, which belongs to the technical field of air compressors and comprises a driving motor, a compressor body and a controller which are respectively connected to two ends of the driving motor, and a cooler connected to the compressor body, the driving motor is provided with a water jacket for introducing a refrigerant, the controller is provided with a flow channel communicated with the water jacket, an oil storage cavity and an exhaust cavity positioned above the oil storage cavity are formed in the compressor body, and the water jacket and the oil storage cavity are respectively communicated with the cooler so that the refrigerant flowing through the cooler exchanges heat with lubricating oil; a temperature control valve is arranged between the cooler and the oil storage cavity and is used for regulating and controlling the speed of the lubricating oil flowing through the cooler according to the oil temperature; a temperature sensor extending into the exhaust cavity is arranged on the compressor body, the temperature sensor and the driving motor are electrically connected with a controller, and the controller regulates and controls the rotating speed of the driving motor according to the exhaust temperature fed back by the temperature sensor. According to the sliding vane type air compressor, the oil content of exhausted air can be reduced.
Owner:NELY CORP LTD
One-dimensional heat flux density measuring device based on Fourier law
The invention discloses a one-dimensional heat flux density measuring device based on the Fourier law, and relates to the technical field of object heat flux density measurement. Comprising a heating unit, a sealing heat insulation unit, a cooling unit, a temperature acquisition unit and a data processing unit. The sealing heat insulation unit comprises a heat insulation material, an aluminum oxide ceramic tube, a sealing air layer, an outer layer supporting plate and a rubber or silica gel sealing ring. The heating unit comprises a high-temperature copper plate heating platform; the cooling unit comprises a water cooling head, a cooling water jacket and a cooling water tank, and is nested at the top of the sealed heat insulation unit; according to the temperature acquisition unit, a thermocouple is attached to the surface of a measured object and is connected with an external thermodetector; the data processing unit comprises an acquisition terminal and a computer, the acquisition terminal is connected with a USB interface of the computer and a USB interface of the thermodetector, and data acquired by the thermodetector is transmitted to the computer. The invention provides the heat flux density measuring device which is simple and convenient to assemble, low in construction cost and simple and convenient to calculate, and the measuring efficiency is improved.
Owner:BEIJING UNIV OF TECH
Tractor tail gas pipe waste heat recovery device and assembling method
The tractor tail gas pipe waste heat recovery device comprises a tractor tail gas pipe, a thermal interface material layer, a flexible thermoelectric device and a stretchable heat dissipation water jacket, the flexible thermoelectric device comprises a flexible substrate and thermoelectric particles arranged on the flexible substrate, hot end electrodes of the thermoelectric particles are arranged on the flexible substrate, the hot end electrodes are flexible electrodes, and the stretchable heat dissipation water jacket is arranged on the flexible substrate. The flexible substrate can bend and deform along with the flexible substrate; the flexible thermoelectric device can wrap the outer side of the tractor tail gas pipe, the tractor tail gas pipe and the flexible thermoelectric device are tightly matched and attached through the thermal interface material layer, an additional heat conduction expansion structure is not needed, the thickness is smaller, and the mass is lighter. The stretchable heat dissipation water jacket is of a tubular structure and is arranged on the outer side of the flexible thermoelectric device in a sleeving mode, the flexible thermoelectric device is pressed and fixed to the surface of the tractor tail gas pipe through pre-tightening force generated by elastic contraction of the stretchable heat dissipation water jacket, the assembly process is simplified, it is ensured that tight thermal interface contact is formed between the flexible thermoelectric device and the heat dissipation water jacket, and interface contact thermal resistance is remarkably reduced.
Owner:XIAN UNIV OF TECH
Novel permanent magnet synchronous double-shaft type grinding electric spindle
The utility model discloses a novel permanent magnet synchronous double-shaft type grinding motorized spindle, which relates to the technical field of machining and comprises a driving shaft and a driven shaft, the driving shaft is provided with a rear machine body, a stator assembly, a rotor assembly, an upper bearing assembly, an aluminum water jacket and a lower bearing gland, and the driven shaft is integrally arranged at the lower end of the driving shaft. The driven shaft comprises a front machine body, a coupler, a driven bearing assembly, a dustproof cover, a dustproof cap assembly and a grinding wheel assembly. According to the double-shaft type grinding electric spindle, the rigidity is improved by optimizing the bearing span, the double shafts are connected through the plum blossom type elastic coupler buffer pad, the deep hole grinding integrated forming technology is achieved, deep holes within 300 mm can be machined at a time, meanwhile, the efficiency and the power density are improved through the permanent magnet synchronous motor, the spindle is designed to be provided with a cooling liquid channel, and a cutter is cooled in real time; machining precision is improved, space and cost are saved, and the performance and the service life of the motorized spindle are comprehensively improved.
Owner:DONGGUAN XIANLONG MOTOR CO LTD
Device for preparing quartz crucible
The utility model discloses a device for preparing a quartz crucible, which comprises a die and a water jacket arranged outside the die, the upper parts of the die and the water jacket are open, a first cavity is formed between the bottom of the die and the bottom of the water jacket, a second cavity is formed between the side wall of the die and the side wall of the water jacket, and the first cavity is communicated with the second cavity. The first cavity and the second cavity are communicated with each other, the bottom of the water jacket is provided with an extraction opening which is communicated with the first cavity and the external space of the water jacket, the extraction opening is communicated with external evacuation equipment, an extraction assembly is arranged between the mold and the water jacket, and the extraction assembly is communicated with the mold. The air exhaust assembly comprises a plurality of air inlets, an air outlet and an airflow channel enabling the air inlets to communicate with the air outlet, the air inlets are formed in the second cavity, and the air outlet communicates with the air exhaust opening. The quality of a bubble depletion layer formed on the inner wall of the quartz crucible is improved.
Owner:JINGAO SOLAR CO LTD
Electromagnetic valve with improved waterproof sleeve structure
ActiveCN223806684UOperating means/releasing devices for valvesClassical mechanicsStructural engineering
An electromagnetic valve with an improved waterproof sleeve structure comprises a stator assembly, a waterproof sleeve fixed on the stator assembly and a valve cover arranged on the waterproof sleeve in a covering mode, the waterproof sleeve comprises a columnar sleeve part, and a hollow cavity for containing a movable iron core and a spring is formed in the center of the sleeve part. The valve is characterized in that the end face, axially facing one side of the valve cover, of the sleeve part is concave downwards to form a plurality of concave parts which are distributed in the circumferential direction and are communicated with the cavity of the sleeve part. According to the electromagnetic valve with the improved waterproof sleeve structure, the downward concave part communicated with the cavity is formed in the end face of the side, facing the end cover in the axial direction, of the sleeve part, the gap between the top end of the sleeve part and part of the radial direction of the movable iron core is enlarged, and the situation that bacteria breed at the top end of the sleeve part and adhere to the movable iron core is reduced; and when water is supplied for the first time after the electromagnetic valve leaves a factory or the electromagnetic valve is started in a standby mode for a long time, water can quickly enter the electromagnetic valve from the downward concave part and flush away bacteria bonded between the sleeve part and the movable iron core, the electromagnetic valve is quick in starting response, and the working stability is improved.
Owner:HANYU GRP CO LTD
Incineration system rotary kiln water jacket anti-corrosion equipment
An incineration system rotary kiln water jacket anti-corrosion device relates to the technical field of chemical equipment and comprises a water jacket body, an epoxy resin coating is arranged outside the water jacket body, a vinyl resin coating is arranged outside the epoxy resin coating, an anti-corrosion reinforcing layer is arranged outside the vinyl resin coating, and a protective steel shell is sleeved outside the anti-corrosion reinforcing layer. The anti-corrosion reinforcing layer comprises an inner steel pipe, an outer turning cover, longitudinal steel bars, arc-shaped steel bars and supporting bars. The corrosion resistance of the water jacket body is improved through the epoxy resin coating and the vinyl resin coating adopted by the incineration system rotary kiln water jacket corrosion prevention equipment; and by adopting the anti-corrosion reinforcing layer, the anti-corrosion property of the water jacket is improved, the mechanical strength of the water jacket is improved, the service life of the water jacket is prolonged, and the cost of production equipment is reduced.
Owner:HEILONGJIANG JINGSHENGHUA ENVIRONMENTAL PROTECTION TECH CO LTD
Engine and motorcycle
The present application relates to the technical field of motorcycle accessories, and discloses an engine with an oil delivery pipeline for delivering engine oil, the oil delivery pipeline comprising a first oil passage arranged on a crankcase and a second oil passage arranged on a cylinder, an oil inlet of the first oil passage being in communication with a central hole of a crank bearing seat, an oil outlet of the first oil passage being in communication with an oil inlet of the second oil passage, the second oil passage extending from the cylinder to the crankcase, and an oil outlet of the second oil passage being located on a joint surface of the cylinder. The engine can deliver engine oil from the crankcase to the cylinder through a shorter path without increasing machining processes and special components, the arrangement of the first oil passage and the second oil passage is not affected by relevant dimensions such as cylinder diameter and water jacket width, and the structure is simple and reliable and has excellent use effect. The present application also provides a motorcycle, which also has the advantage that the arrangement of the oil passage is not affected by cylinder diameter, crank span, water jacket width and the like, and the motorcycle has compact structure and good lightweight effect.
Owner:JIANGMEN DACHANGJIANG GROUP CO LTD
Device for detecting residual deformation rate of high-pressure gas cylinder
PendingCN121253315AMaterial strength using tensile/compressive forcesMachines/enginesLiquid level measurementGas cylinder
The invention relates to the technical field of high-pressure gas cylinder detection. The high-pressure gas cylinder residual deformation rate detection device comprises a mounting seat, a water tank is arranged on the mounting seat, a liquid level measuring water jacket is arranged on one side of the water tank in a communicating mode, a water injection pipe is arranged on the other side of the water tank, a supporting seat is arranged on the water tank, a supporting rod is arranged on the supporting seat, and a pressure sensor is arranged on the supporting rod. A limiting assembly and an adjusting assembly are arranged on the supporting rod, a fixing assembly is arranged on the supporting seat, a lifting seat is arranged on the mounting seat, a discharging plate is arranged on one side of the lifting seat, a lifting assembly is arranged on the lifting seat, and a liquid level detecting assembly is arranged on the liquid level measuring water jacket. The gas cylinder detection device has the advantages that the gas cylinder to be detected can be conveniently placed in the water tank, the labor intensity of workers is reduced, the working efficiency is improved, compared with a traditional detection method, equipment needed during measurement and the measurement process are simplified, and the detection efficiency and the accuracy of a measurement result are improved.
Owner:CHONGQING JIULUE TECHNOLOGY CO LTD
Cylinder head compatible with multiple fuels
This invention discloses a cylinder head compatible with multiple fuels, including a first mounting hole and a second mounting hole. The first mounting hole is located on the cylinder head and penetrates both the upper and lower surfaces of the cylinder head. The second mounting hole is also located on the cylinder head and penetrates both the upper and lower surfaces of the cylinder head. The first mounting hole can be used to mount a micro-injector, and the second mounting hole can be used to mount a main injector. The micro-injector and the main injector inject different fuels. Through a special valve arrangement and structural design, the cylinder head integrates the main injector mounting hole, the micro-injector mounting hole, and the air start valve mounting hole. The air start valve mounting hole can also be changed to an injector mounting hole, thereby enabling switching between multiple fuel modes and making it suitable for modular and serialized development of engines on the same platform. The bottom of the cylinder head features a fully enclosed annular water jacket design, solving the problems of thermal fatigue and poor reliability inherent in traditional cylinder heads.
Owner:GUANGXI YUCHAI MARINE & GENSET POWER CO LTD
A deep learning-based deepwater jacket monitoring sensor virtual mapping method
PendingCN122173812AMeasurement devicesNeural learning methodsStructural health monitoringEngineering
The application discloses a deep-water jacket monitoring sensor virtual mapping method based on deep learning and belongs to the field of ocean fixed platform structure health monitoring. The method utilizes the correlation relationship among various sensors in the platform, constructs a mapping relationship database between in-situ sensors and missing sensors, and establishes a platform failure sensor virtual mapping method based on a Multi-LSTM algorithm. When abnormal behaviors occur in the arranged sensors of the platform, the in-situ sensors can accurately map and restore the failure sensors, the restoration accuracy reaches 99%, the virtual replacement of the failure sensors is realized, and the method can be widely applied to the field of ocean fixed platform structure health monitoring.
Owner:OFFSHORE OIL ENG CO LTD +3
Microwave heat radiation crude oil viscosity reduction and wax scale prevention transduction device and use method
The invention discloses a microwave heat radiation crude oil viscosity reduction and wax scale prevention transduction device and a using method, the microwave heat radiation crude oil viscosity reduction and wax scale prevention transduction device comprises a magnetron waveguide, an isolator, a sealing window connecting piece, a microwave power supply board, a cooling liquid box, a heat radiation cavity and a controller, a microwave excitation part magnetron is a water jacket type magnetron, a microwave power supply adopts an oil immersion type heat radiation mode, and the microwave power supply adopts a water jacket type magnetron. Low-temperature transformer oil is selected as circulating cooling liquid, meanwhile, the microwave power panel is immersed in a transformer oil tank for heat dissipation, the transformer oil serves as cooling liquid for a microwave power source and also serves as circulating cooling liquid for a water jacket type magnetron, and the double functions are achieved. The water jacket loop cooling condensation part is connected to the front end of a heated medium crude oil pipeline, low-temperature crude oil is used for cooling circulating liquid, meanwhile, the crude oil is heated and preheated, and heat energy is fully utilized through mutual energy conversion of the crude oil and the microwave source.
Owner:XIAN JIANSHANG INTELLIGENT TECH CO LTD
Flat mop capable of being cleaned by spraying liquid
Owner:ZHEJIANG SOBANG SMARTHOME CO LTD
Motor water jacket structure with good heat dissipation performance
The utility model relates to the technical field of motor water jackets, and discloses a motor water jacket structure with good heat dissipation performance, which comprises an axial pipe, a water inlet is arranged on the outer wall of the axial pipe, a connecting mechanism is arranged on the axial pipe, a connecting pipe is arranged on the outer wall of the axial pipe, a threaded opening is arranged on the connecting pipe, and a water outlet is arranged on the threaded opening. A threaded opening is formed in the axial pipe, a hose is connected to the threaded opening, a heat dissipation copper sheet is installed on the hose, a heat dissipation patch is installed at the bottom of the axial pipe, the connecting mechanism is arranged on the axial pipe, the connecting pipe is arranged on the axial pipe, and the threaded opening is formed in the connecting pipe, so that different hoses can be replaced according to different motor specifications; the flexible pipe is provided with the heat dissipation copper sheet, and the bottom of the axial pipe is provided with the heat dissipation patch, so that the fitness and the heat dissipation effect of the motor are integrally enhanced, and the top end of the axial pipe is provided with the connection port, so that the axial pipe can be conveniently expanded for connection.
Owner:ZHEJIANG KANGCHENG INTELLIGENT TECH CO LTD
Oxyhydrogen energy carbonization furnace
ActiveCN223226006UCombustible gas coke oven heatingSpecial form destructive distillationCarbonizationProcess engineering
The oxyhydrogen energy carbonization furnace is characterized in that the oxyhydrogen energy carbonization furnace comprises a furnace body and a steam-water collecting barrel arranged in the middle of the furnace body, a feeding opening is formed in the upper portion of the furnace body, and a water jacket is arranged in the furnace wall of the furnace body; the furnace body comprises a drying bin, a first throat opening, a gasification bin, a carbonization bin and a second throat opening from top to bottom, and further comprises blanking plates arranged at the first throat opening and the second throat opening; an annular oxyhydrogen gas pipeline is arranged in the drying bin, and a plurality of oxyhydrogen fire nozzles are arranged on the annular oxyhydrogen gas pipeline; a permeable layer communicated with the water jacket is arranged on an upper slope of the first throat, and an oxyhydrogen nozzle is arranged on a lower slope of the first throat; and a charcoal outlet is formed below the carbonization bin. According to the scheme, gas-carbon co-production, low energy consumption, high benefit and zero emission of the wooden garbage are realized by using hydrogen and oxygen energy, and waste is turned into wealth. According to the structure, the combustion heat value of fuel gas can be effectively increased, and the purity of the fuel gas is improved.
Owner:LIAONING AODONG HYDROGEN ENERGY EQUIP MFG CO LTD
Hybrid cooling of electric machines
PCT designated stageWO2026044453A1Magnetic circuit stationary partsCooling/ventillation arrangementElectric machineWater jacket
Combined cooling of electric machines are disclosed, for example, motors or generators, directly and by means of a water jacket. Particularly, it is provided an electric machine (100), comprising a housing (110), a water jacket (120) integrated in the housing (110) and a stator (130) accommodated in the housing (110) and comprising stator end windings (133) at a first axial end and a second axial end of the stator (130) and a plurality of channels (135) extending entirely through the stator (130) between the first axial end and the second axial end of the stator (130), wherein the plurality of channels (135) is configured and arranged for guiding a coolant towards the stator end windings (133). The water jacket (120) comprises an inlet (122) and an outlet (124) and a helical channel (128) connecting the inlet (122) with the outlet (124) and having a diameter larger than the diameter of the inlet (122) and the diameter of the outlet (124).
Owner:HUAWEI DIGITAL POWER TECH CO LTD