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40results about How to "High working pressure" patented technology

Oil field fracturing pumping remote automatic control system

ActiveCN101414171AMonitor and control operationsOrderly and stable operationTotal factory controlProgramme total factory controlAutomatic controlHuman–machine interface
The invention discloses a remote automatic control system of a fracturing pump skid used in an oil field. The system is used for remote automatic control of a well service pump skid and a truck-mounted skid used in the oil field; the remote automatic control system consists of a field control system which consists of Siemens S7-315 series PLCs which are taken as a core, a Siemens MP370 which is taken as a remote control human-machine interface, and Ethernet which is taken as a transmission media; the system can achieve remote control functions such as start, stop and emergency stop of an engine, gear shifting, braking, turning back to a neutral position and idle speed of a gearbox and the like, and the system can modify field running parameters in a remote manner, thus realizing bidirectional transmission between the pump skid and the human-machine interface (HMI); the Ethernet is taken for communication so that the pump skid can transmit the field data to a remote controller or a server at the speed of 100MB / S; an industrial exchanger is taken to connect the devices such as the PLC, the HMI and the like to achieve more group controls; the exchanger can convert the field data into the data formats such as a standard *.CSV format and the like, and directly transmit the data to the server for data processing.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Remote, automatic control system for oil field fracturing pumping

ActiveCN101414171BMonitor and control operationsOrderly and stable operationTotal factory controlProgramme total factory controlAutomatic controlHuman–machine interface
The invention discloses a remote automatic control system of a fracturing pump skid used in an oil field. The system is used for remote automatic control of a well service pump skid and a truck-mounted skid used in the oil field; the remote automatic control system consists of a field control system which consists of Siemens S7-315 series PLCs which are taken as a core, a Siemens MP370 which is taken as a remote control human-machine interface, and Ethernet which is taken as a transmission media; the system can achieve remote control functions such as start, stop and emergency stop of an engine, gear shifting, braking, turning back to a neutral position and idle speed of a gearbox and the like, and the system can modify field running parameters in a remote manner, thus realizing bidirectional transmission between the pump skid and the human-machine interface (HMI); the Ethernet is taken for communication so that the pump skid can transmit the field data to a remote controller or a server at the speed of 100MB / S; an industrial exchanger is taken to connect the devices such as the PLC, the HMI and the like to achieve more group controls; the exchanger can convert the field data intothe data formats such as a standard *.CSV format and the like, and directly transmit the data to the server for data processing.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Process and systems

An apparatus for recovering energy from an osmotic system, said apparatus comprising: (i) a feed stream (143,251); (ii) pressure means (140,150, 250, 254) to pressurise said feed stream; (iii) a manipulated osmosis unit (110,220,230); (iv) an energy recovery unit (120, 240, 260) in fluid connection with second solution side of the manipulated osmosis unit; (v) a reverse osmosis unit (130) receiving a feed from the energy recovery unit.
Owner:AL MAYAHI ABDULSALAM +1

Bipolar plate sealing process for fuel cells

The invention relates to a bipolar plate sealing process for fuel cells. A loop of glue-spilling groove is processed on a fuel cell negative plate liquid coolant flow field periphery and outer contourrespectively; an conductive adhesive is coated on the surface of a smooth surface of a positive plate; the negative plate and the surface of the positive plate which is coated with the conducting resin are matched and placed in a spacing tool, the spacing tool is placed in a hot press for hot pressing and solidification, in order to complete sealing and connection. Compared with the prior art, the process has the advantage for avoiding glue spilling, processing technology is simple, cost is low, production in batch can be realized, and conditions are created for development and applications of fuel cells.
Owner:SHANGHAI SHENLI TECH CO LTD

Working method of igniter with double air inlet eccentric double anode structure

The invention discloses a working method of an igniter with a double air inlet eccentric double anode structure. The method specifically includes the following steps that during work, a certain amountof air or fuel is introduced through an air inlet a; meanwhile, firstly, a power supply supplies power to a short anode and a long anode at low voltage; at the lower voltage, dielectric barrier discharging happens between the short anode and an anode insulating positioning sleeve, between the anode insulating positioning sleeve and a grounded electrode, and between the long anode and the anode insulating positioning sleeve separately; the power supply supplies power to the long anode at higher voltage, under action of the higher voltage, arc discharging happens between the grounded electrodeand the long anode, and when the long anode is energized at the higher voltage, air is introduced into an air channel in the long anode. By means of the working method of the igniter with the double air inlet eccentric double anode structure, the advantages of nonequilibrium plasma of a wide lean burn limit and high reaction activity and the advantages of thermal equilibrium plasma of high workingair pressure and the like are combined, so that the purpose of achieving high-energy stable ignition in a wide fuel air ratio range is achieved.
Owner:DALIAN NATIONALITIES UNIVERSITY

Fuel cell with dual-sealing groove metal bipolar plate and silica gel injection membrane structure

ActiveCN110224152AIncrease the proportion of effective areaExtend your lifeCell electrodesCollectors/separatorsCombustionFuel cells
A fuel cell with a dual-sealing groove metal bipolar plate and a silica gel injection membrane structure comprises a plurality of single batteries in series, positive electrodes and negative electrodes of two adjacent single batteries are connected in series to form a bipolar plate, a positive electrode plate runner, a positive electrode plate external sealing groove and a positive electrode plateinternal sealing groove are arranged in a positive electrode plate of the bipolar plate, a negative electrode plate runner, a negative electrode plate external sealing groove and a negative electrodeplate internal sealing groove are arranged in a negative electrode plate of the bipolar plate, a silica gel injection membrane electrode is arranged between the positive electrode plate and the negative electrode plate, integrated silica gel injection design is performed on dual sealing lines of the silica gel injection membrane electrode, an external sealing line, an internal sealing line and aglue permeation line are arranged, the external sealing line is arranged between the positive electrode plate external sealing groove and the negative electrode plate external sealing groove to form an external sealing ring, and the internal sealing line is arranged between the positive electrode plate internal sealing grove and the negative electrode plate internal sealing groove to form an internal sealing ring. By the fuel cell, three fluid mediums such as a fuel, a cooling agent and an combustion improver can be completely isolated, an enough sealing effect is ensured, the effective area ratio of the membrane electrode is improved, and the lifetime of the membrane electrode is prolonged.
Owner:山东潍氢动力科技有限公司

A method and device for sealing electrodes in a hydrogenation furnace device for polysilicon production

The invention discloses a method for sealing electrodes in a hydrogenation furnace device for polysilicon production, and relates to a hydrogenation furnace electrode device for polysilicon production. The electrodes are connected with cooling circulating water, and special zirconia ceramics, flexible graphite and fluororubber are used. Various materials such as O-ring sealing ring and other materials solve the problems of high temperature resistance, insulation and sealing between the electrode and the chassis, improve the reliability of the hydrogenation furnace device, ensure the safe operation of the hydrogenation furnace device, and improve the safety of the hydrogenation furnace device. Productivity.
Owner:YICHANG CSG POLYSILICON CO LTD

Equipment for performing modified treatment on medium and large particle seeds by using cold plasma

The invention relates to equipment for performing modified treatment on medium and large particle seeds by using cold plasma. The equipment comprises a charging barrel, a discharging barrel, and a vacuum cavity connected with the charging barrel and the discharging barrel, wherein an air exhaust is formed in the vacuum cavity and is connected with a mechanical pump; a discharge treatment device and a transfer device are arranged in the vacuum cavity; the discharge treatment device comprises two polar plates arranged in parallel and a discharge treatment radio-frequency power supply connected with the two polar plates; the distance between the two polar plates is 30-40mm; a preionization device is arranged in the vacuum cavity and comprises an electrode and a preionization radio-frequency power supply connected with the electrode; and the vacuum cavity is connected with an earth phase. According to the equipment disclosed by the invention, the preionization device is arranged in the vacuum cavity, so that the working power supply can instantaneously build up luminance, and the time needed by processing is accurately controlled; with the adoption of ionization dust removal, the working space is clean; and moreover, large-scale treatment of medium and large particle seeds with the particle size of more than 15mm can be realized under the condition that the mature process parameters are guaranteed.
Owner:虞建明 +3

Deep-cavity filter plate combined filter press

A deep-cavity filter plate combined filter press provided by the invention comprises a box type filter plate, a diaphragm filter plate and a PLC automatic control system. A sealed filter chamber is formed between the adjacent box type filter plate and diaphragm filter plate. The deep-cavity filter plate combined filter press is characterized in that a feeding pipeline and a water outlet pipeline are arranged at the upper end and the lower end of the box type filter plate respectively, a pressure sensor is arranged in the filter chamber, and the pressure sensor is connected with the PLC automatic control system and is used for automatically monitoring the pressure change in the filter chamber; automatic control valves are arranged on a feeding pipe connected with the feeding pipeline, a water outlet pipe connected with the water outlet pipeline and a water inlet pipe connected with a water inlet pipeline; and the box type filter plate and the diaphragm filter plate are respectively provided with traction mechanisms, the traction mechanisms are controlled by a hydraulic oil cylinder to provide advancing power, and the hydraulic oil cylinder is connected with the PLC automatic control system. The overall filter pressing efficiency of the filter press is improved, the thickness of a filter cake is increased, and the maximum filter pressing thickness reaches 60 mm.
Owner:山东菲特环保设备有限公司

Double-discharge plasma igniter with hollow ventilation anodes

The invention discloses a double-discharge plasma igniter with hollow ventilation anodes. The double-discharge plasma igniter with the hollow ventilation anodes comprises an upper anode, a lower anode, an upper grounding electrode, a lower grounding electrode, an anode insulating sleeve and a grounding electrode insulating sleeve, wherein the upper grounding electrode and the lower grounding electrode are connected; the anode insulating sleeve is arranged inside the upper grounding electrode; the upper anode is embedded into the wall of the anode insulating sleeve; the lower anode is composedof a body section a and a body section b, the body section a is arranged inside the mounting hole of the anode insulating sleeve, and the body section b is mounted inside the lower grounding electrode; the connecting part between the lower grounding electrode and the upper grounding electrode is provided with a groove, which is formed in the inner wall of the lower grounding electrode; the grounding electrode insulating sleeve is mounted inside the groove. The double-discharge plasma igniter with the hollow ventilation anodes can combines the advantages of wide lean combustion limit and high reaction activity of non-equilibrium plasmas and the advantages of high working air pressure and the like of thermal equilibrium plasmas to achieve the aim of high-energy and stable ignition within a wide fuel-air ratio range.
Owner:DALIAN NATIONALITIES UNIVERSITY

Use method of plasma igniter with air channel and fuel channel

The invention discloses a use method of a plasma igniter with an air channel and a fuel channel. The use method particularly includes the steps: leading in a certain quantity of air or fuels from an air inlet a in operation; supplying power for an upper anode by a power supply at low voltage, and not powering on a lower anode; performing dielectric barrier discharge among an upper grounding electrode, an anode insulating sleeve and the upper anode at low voltage, and ionizing the air or fuels positioned in an ionization space a under the action of an external electric field to generate free electrons and non-equilibrium plasma with positive charge positive ions. Owing to continuous leading-in of the air or fuels, the non-equilibrium plasma generated by ionization continues moving downwards, passes an isolation area and enters an ionization space b. The use method can combine the advantages of wide lean burn limit and high reaction activity of the non-equilibrium plasma, high working pressure of thermal equilibrium plasma and the like, and high-energy and stable ignition can be realized within a wide fuel air ratio range.
Owner:DALIAN NATIONALITIES UNIVERSITY

Hybrid module

The invention relates to a hybrid module (1, 24) for a motor vehicle, comprising an electric machine (4) which has a stator (2) and a rotor (3), a double clutch (7) which has a first and second component clutch (5, 6) and is configured to couple the hybrid module (1, 24) to a transmission of the motor vehicle such that it can be disconnected, and a separating clutch (8) which is configured to couple an internal combustion engine of the motor vehicle to the hybrid module (1, 24) such that it can be disconnected, wherein the double clutch (7) and the separating clutch (8) are arranged radially and axially within the rotor (3), wherein the first and the second component clutch (5, 6) are arranged behind one another in the axial direction, and the separating clutch (8) is arranged closer in the radial direction to the rotational axis (9) of the rotor (3) than the double clutch (7).
Owner:SCHAEFFLER TECH AG & CO KG

Double-discharge mode plasma igniter with eccentric double-anode structure

The invention discloses a double-discharge mode plasma igniter with an eccentric double-anode structure, belongs to the field of power and aims to realize dielectric barrier discharge and arc discharge and spatially take compactness into consideration. The double-discharge mode plasma igniter comprises a shell, a long anode, a short anode, an anode insulation positioning sleeve and grounding electrodes, the grounding electrodes are mounted in the shell and connected in a surrounding manner to form a recessed hollow column, the diameter of the hollow column is gradually decreased from top to bottom, the hollow column is divided into two portions, the upper portion and the lower portion are connected to form a horizontal ring wall by the aid of the grounding electrodes owing to rapid decrease of the diameters of the upper portion and the lower portion, the diameter of the lower portion is decreased as the horizontal width of the grounding electrode in a short slot is increased, the horizontal widths of the grounding electrodes on insulation side walls are basically the same, compactness is spatially taken into consideration, two types of discharge can be realized, the internal structure of the igniter is necessarily eccentric, and then the igniter can simultaneously achieve two effects.
Owner:DALIAN NATIONALITIES UNIVERSITY

Ultrahigh pressure hydraulic press

The invention relates to an ultrahigh pressure hydraulic press, belonging to the manufacturing field of large and medium hydraulic processing equipment. An ultrahigh-pressure pressurizer is added on the basis of the original hydraulic press structure, and the whole structure has the following four modes: an operating platform sliding plate press-down-type ultrahigh pressure hydraulic press, an operating platform sliding plate push-up-type ultrahigh pressure hydraulic press, an in-frame operating platform sliding plate press-down-type ultrahigh hydraulic press and an in-frame operating platform sliding plate push-up-type ultrahigh pressure hydraulic press. The ultrahigh pressure pressurizer is arranged on the side wall of the cylinder body part of an operating cylinder, the ultrahigh pressure pressurizer is provided with an oil circuit pipeline communicated with an oil charging tank, the operating cylinder and the cylinder body and the piston of a small cylinder are arranged on a lower base plate, an operating platform sliding plate and a push-up plate and an in-frame bottom and an in-frame top in four different manners. Working pressure of the hydraulic press is increased by N times compared with the working pressure of the original hydraulic press; compared with a conventional hydraulic press, under the same working state, the hydraulic press has the advantages that cylinder diameter, overall dimension and a motor are greatly reduced, manufacturing cost and energy consumption are reduced, and space occupied by equipment is reduced.
Owner:倪小银

Plasma ignitor with air outlet inclined hole and multi-anode structure

The invention discloses a plasma ignitor with an air outlet inclined hole and multi-anode structure. The plasma ignitor comprises a short anode, a long anode and an anode insulation positioning sleevewhich are located in a grounding electrode; an air inlet a inclined downwards is formed in one end of the upper portion of the grounding electrode, an air inlet b inclined downwards is formed in theother end of the upper portion of the grounding electrode, and the air inlet a, the air inlet b and an ionization space a are communicated; a plurality of air inlet inclined holes which are formed circumferentially and inclined downwards are formed in the lower end of the long anode. Due to the fact that fuel and air for ignition are introduced through the air inlet, no back flow of mixed gas inside a main combustion chamber is needed, the equivalent ratio of mixed gas in the ionization space a and the ionization space b can be controlled by adopting a method for controlling fuel flow throughthe air inlet b and air through the air inlet a according to the ignition condition, and the purpose of improving the ionization and ignition effect according to the actual working condition is achieved.
Owner:DALIAN NATIONALITIES UNIVERSITY

Plasma combustion-supporting exciter with dual working modes of combustion supporting and ignition

The invention relates to a plasma combustion-supporting exciter with dual working modes of combustion supporting and ignition, and belongs to the field of engines. The plasma combustion-supporting exciter includes a central anode, a grounding electrode, a ring-like anode and an insulating locating sleeve, the insulating locating sleeve is provided with a through hole for installing the center anode and a ring-like groove for installing the ring-like anode, the upper end of the insulating locating sleeve is provided with a mounting platform extending outwards, the upper end of the grounding electrode is provided with a mounting groove connected with the mounting platform in a matched mode, and the insulating locating sleeve is located inside the grounding electrode. According to the structure of the plasma combustion-supporting exciter with the dual working modes of combustion supporting and ignition, a combination discharge mode of dielectric barrier discharge-arc discharge is realized, the advantages of wide thin-burning limit of the non-equilibrium plasma, high reactivity, high working pressure of thermal equilibrium plasma and the like can be combined together, and the purposesof high energy and stable ignition are realized within a wide range of fuel air ratios.
Owner:DALIAN NATIONALITIES UNIVERSITY

Application method of plasma igniter with gradually-expanded grounding electrode outlet structure

The invention discloses an application method of a plasma igniter with a gradually-expanded grounding electrode outlet structure. The application method specifically comprises that a power source firstly supplies a ring-shaped anode at low voltage but not powers a central electrode; at low voltage, dielectric barrier discharge can take place between the ring-shaped anode and an insulating positioning sleeve as well as between the insulating positioning sleeve and a grounding electrode; air and fuel which are continuously inlet via an air inlet a and an air inlet b respectively can form a downward cyclone inside an ionization space a, non-equilibrium plasmas flow via a reducing acceleration section into an ionization space b, and then the air inlet a and the air inlet b are closed; the ring-shaped anode is powered off, then the power source powers the central anode at high voltage; under the action of high voltage, arc discharge takes place between the grounding electrode and the central anode; meanwhile, air is inlet into the cooling air channel inside the central anode without being involved in ionization reaction and is used for cooling down the electrode and disturbing a flow field outside a jet nozzle to improve combustion.
Owner:DALIAN NATIONALITIES UNIVERSITY

Ignition method for double-discharge mode plasma igniter with eccentric double-anode structure

The invention discloses an ignition method for a double-discharge mode plasma igniter with an eccentric double-anode structure, which belongs to the power field. In order to realize dielectric barrierdischarge and arc discharge, a short anode and a long anode are powered separately by a power supply, the ignition is started, the power supply provides power at low voltage to enable dielectric barrier discharge to happen between the short anode and a grounding electrode through isolation, the long anode and the grounding electrode are isolated by an anode insulating positioning sleeve to enabledielectric barrier discharge to happen, unbalanced plasma is generated in first ionization space, the dielectric barrier discharge generates flow field disturbance and heating on gases, the already-ionized gases move downwardly to second ionization space, the voltage of the power supply rises and the power supply only provides power for the long anode, arc discharge thus happens between the grounding electrode and the long anode, ignition and a combustion reaction happen rapidly to the mixed gases located in the second ionization space, the compactness in space is considered, two kinds of discharge are realized necessarily, and in order to have both effects, the internal structure needs to be eccentric.
Owner:DALIAN NATIONALITIES UNIVERSITY

Double-discharge-mode plasma igniter with multi-anode structure

The invention discloses a double-discharge-mode plasma igniter with a multi-anode structure, and belongs to the field of power. In order to achieve the effect that an existing spark plug / igniter canbe applied to a large-space combustion chamber engine, an insulation positioning sleeve comprises a positioning ring which can be buckled with an annular wall for positioning, the positioning ring isprovided with a short anode annular hole and a long anode open hole, moreover, a short annular groove which seals downwards and contains short anodes is formed below the short anode annular hole by using an insulating material, the multiple short anodes are limited in the short annular groove, the multiple short anodes are separated through an insulating medium, the short annular groove extends into a first diameter value maintaining section at the lower portion, a long anode penetrates out of a long anode open hole and extends to an outlet section, the short annular groove surrounds the longanode, and a hollow portion is formed between the long anode and the short annular groove. The effect that by adopting an dielectric barrier discharge-arc discharge combined discharge mode, the advantages of imbalanced plasma for wide lean-burn limit and large reaction activity can be combined is achieved.
Owner:DALIAN NATIONALITIES UNIVERSITY

Igniter with double-inlet eccentric double-anode structure

The invention discloses an igniter with a double-inlet eccentric double-anode structure. The igniter with the double-inlet eccentric double-anode structure comprises a short anode, a long anode, an anode insulating positioning sleeve, a grounding electrode, an air inlet a, an air inlet b and air inlet inclined holes. An ionization space a is formed between the anode insulating positioning sleeve and the grounding electrode, and an ionization space b is formed between the lower end part of the long anode and the grounding electrode; the inclined downward air inlet a is formed in one end of theupper part of the grounding electrode, the inclined downward air inlet b is formed in the lower part of the grounding electrode, the air inlet a is placed at the top of the ionization space a, and theair inlet b is placed at the top of the ionization space b; and the multiple air inlet inclined holes which are arranged in the week direction and incline downwards are formed in the lower end of thelong anode. According to the igniter with the double-inlet eccentric double-anode structure, air (or fuel) injected from the air inlet b and air injected from the lower anode cool the anodes and canprolong the service life of an electrode.
Owner:DALIAN NATIONALITIES UNIVERSITY

Plasma igniter with inclined air inlet holes and eccentric double-anode structure

The invention discloses a plasma igniter with inclined air inlet holes and an eccentric double-anode structure. The plasma igniter with the inclined air inlet holes and the eccentric double-anode structure comprises a short anode, a long anode, an anode insulating positioning sleeve, a grounding electrode, an air inlet a, an air inlet b and the inclined air inlet holes; one end of the upper portion of the grounding electrode is provided with the air inlet a inclined downwards; the air inlet b inclined downwards is formed at the other end of the upper portion of the grounding electrode; the airinlet a and the air inlet b are communicated with an ionization space a; the lower end of the long anode is provided with a plurality of the inclined air inlet holes, which are circumferentially formed and inclined downwards and are used for inletting a small amount of high-activity air formed inside an ionization space b into an air channel. By inletting the small amount of air into the lower anode in a hollow structure, the plasma igniter with the inclined air inlet holes and the eccentric double-anode structure can achieve the effects of cooling down the electrode and disturbing the flowfield of a jet nozzle to improve combustion.
Owner:DALIAN NATIONALITIES UNIVERSITY

Combustion engine capable of using electric heat energy in independent mode or in auxiliary mode

The invention relates to a combustion engine, in particular to a combustion engine capable of using electric heat energy in an independent mode or in an auxiliary mode. As is known to all, combustion engines which are widely used at present are diesel-oil-fueled diesel engines and gasoline-fueled gasoline engines. Due to the fact that the two kinds of engines are dependent on fossil fuel and serious pollution is caused by the exhaust gas emission, two social issues, namely energy saving and environment protection, which are increasingly prominent in current society are aggravated. According to the combustion engine capable of using the electric heat energy in the independent mode or in the auxiliary mode, a nearly-boiling water infusing method is adopted, working efficiency is greatly improved, and emission pollution is reduced at the same time. Particularly, the combustion engine capable of using the electric heat energy in the independent mode or in the auxiliary mode can use various kinds of fuel which relates to almost all liquid fuel and all gas fuel and comprises high-energy gas fuel, such as hydrogen and acetylene, frequently-used fossil fuel, such as fuel oil and natural gas, and high-igniting-point biolipid generative fuel, such as alcohol and illegal cooking oil. The combustion engine can also use the electric heat energy in the independent mode or in the auxiliary mode for operation, high efficiency and energy saving are achieved in the true sense, and environment is protected.
Owner:刘辉仁

Plasma igniter with hollow ventilation anodes

The invention discloses a plasma igniter with hollow ventilation anodes. The plasma igniter with hollow ventilation anodes comprises an upper anode, a low anode and an anode insulating sleeve which are arranged inside a grounding electrode, wherein the anode insulating sleeve is arranged at the upper portion of the grounding electrode, the upper anode is embedded inside the wall of the anode insulating sleeve, and one end of the lower anode extends into the mounting hole of the anode insulating sleeve; the anode insulating sleeve is composed of a groove a, a groove b and a groove c which are sequentially connected from top to bottom and communicated with one another; the lower anode comprises a boss a, a boss b, a boss c and a platform which are connected with one another, the boss a is arranged inside the groove a, the boss b is arranged inside the groove b, the boss c is arranged inside the groove c, and the platform is arranged at the lower portion of the grounding electrode. The plasma igniter with hollow ventilation anodes can achieve the aim of high-energy and stable ignition within a broad fuel-air ratio range.
Owner:DALIAN NATIONALITIES UNIVERSITY

Multistage hollow tube-drawing machine

InactiveCN104944325AEfficient recyclingEffort-saving and safe recyclingLifting devicesTube drawingEngineering
The invention relates to a hollow tube-drawing machine and designs the machine according to the hydraulic principle to solve the problems such that the existing tube-drawing equipment is heavy, short in stroke and low in recovery rate. The hollow tube-drawing machine mainly comprises a top disc 1, a small cover plate 2, a sealing gasket 3, an outer hoop 4, a tertiary cylinder block 4, a tertiary cylinder block base 14, a secondary cylinder block 6, a secondary cylinder block base 15, a primary cylinder block outer ring 7, a primary cylinder block inner ring 8, a jacket 9, a lining 10, a sealing ring 11, a primary cylinder block base 12, a cavity 13, a main base 17, an oil transfer channel 16, oil transfer holes 19, and a quick connector 18. The hollow tube-drawing machine is light and speedy, convenient to move and simple to operate, allows valuable tubular objects to be recovered efficiently, easily and safely, allows labor to be less intensive for workers and helps improve labor efficiency.
Owner:湖南仪纬科技有限公司

Combined HID electric arc tube

A composite type HID electric arc tube comprises a discharge tube and two outlet tubes. The discharge tube is a composite type double-layer shell body, the casing of which is formed by blowing meltdown quartz glass or Bach quartz glass, and the inner side of which is coated with a semi-transparent polycrystal alumina(PCA) layer. The outlet tubes are made of the meltdown quartz glass or the Bach quartz glass. The insides of the two ends of the two outlet tubes close to an electric arc cavity body are partially coated with a polycrystal alumina layer. After being sintered at the high temperature, the electric arc tube adopts the method of sealing electrodes at two sections. The first sections of the outlet tubes internally coated with PCA adopt glass solders for sealing, and the second sections thereof adopt molybdenum foil press seal. The HID electric arc tube with the structure has the advantages of easy shaping of quartz glass electric tubes, good voltage resistant property, standardphysical dimension inside the PCA electric cavity body, high temperature resistance and strong sodium penetrability resistance. In addition, the electric arc tube can improve the HID, particularly, photochromic stability and light efficiency of MH light, and prolong the service life of the light.
Owner:JIANGSU HAOMAI LIGHTING SCI & TECH CO LTD

Fuel cell with double-sealed metal bipolar plate and silicon-injected membrane electrode structure

ActiveCN110224152BIncrease the proportion of effective areaExtend your lifeCell electrodesCollectors/separatorsSilicone membraneFuel cells
A fuel cell with a dual-sealing groove metal bipolar plate and a silica gel injection membrane structure comprises a plurality of single batteries in series, positive electrodes and negative electrodes of two adjacent single batteries are connected in series to form a bipolar plate, a positive electrode plate runner, a positive electrode plate external sealing groove and a positive electrode plateinternal sealing groove are arranged in a positive electrode plate of the bipolar plate, a negative electrode plate runner, a negative electrode plate external sealing groove and a negative electrodeplate internal sealing groove are arranged in a negative electrode plate of the bipolar plate, a silica gel injection membrane electrode is arranged between the positive electrode plate and the negative electrode plate, integrated silica gel injection design is performed on dual sealing lines of the silica gel injection membrane electrode, an external sealing line, an internal sealing line and aglue permeation line are arranged, the external sealing line is arranged between the positive electrode plate external sealing groove and the negative electrode plate external sealing groove to form an external sealing ring, and the internal sealing line is arranged between the positive electrode plate internal sealing grove and the negative electrode plate internal sealing groove to form an internal sealing ring. By the fuel cell, three fluid mediums such as a fuel, a cooling agent and an combustion improver can be completely isolated, an enough sealing effect is ensured, the effective area ratio of the membrane electrode is improved, and the lifetime of the membrane electrode is prolonged.
Owner:山东潍氢动力科技有限公司

Working method of igniter with fuel passage and hollow anode structure

The invention discloses a working method of an igniter with a fuel passage and a hollow anode structure. The working method specifically comprises the following steps that a power source firstly supplies power to a plurality of short anodes at a low voltage U1, and a long anode is not electrified at the moment; dielectric barrier discharge is generated at the low voltage, fuel molecules located inan ionization space a are ionized under the action of an external electric field to generate non-equilibrium plasma composed of free electrons and positively charged positive ions; the power source supplies power to the long anode at a higher voltage U2; arc discharge occurs between the long anode and a grounding electrode under the action of the high voltage; when the long anode is electrified,an air channel in the long anode is fed with air; and small amount of high-activity gas formed in an ionization space b enters the air channel through an air inlet inclined hole. According to the method, the problems that an existing heat balance plasma igniter is small in ignition energy, poor in ignition reliability, and low in ignition energy utilization rate when the heat balance plasma igniter is applied to an engine of a large-space combustion chamber and a natural gas engine are solved.
Owner:DALIAN NATIONALITIES UNIVERSITY
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