479results about How to "Consistent pressure" patented technology

An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a housing sleeve, and in another embodiment having first and second flow branches, with the first flow branch being continuously open, and the second flow branch having a variable flow controller controlling flow therethrough.

The invention discloses an underground layered gas-liquid two phase fluid pressure and temperature-retaining sampling device, which is arranged on the inner wall of a drilled hole or a sleeve and consists of a packer system, a liquid sample inlet system, a gas sample inlet system, an automatic multi-way valve, a sampling system, a temperature control system, and an external pressure / flow control system, wherein a thermal-insulation layer or temperature control system covers the outside of the entire sampling device. The device accurately controls the layer under ground fluid sampling positionto realize gas and liquid fluid sampling at different layer positions of a stratum, ensures the temperature and pressure in a sampling process are consistent with those of the underground fluid, and improves the pressure and temperature-retaining degree of the fluid in the sampling process. The principle of the device is simple, the parts are assembled simply and the device is suitable for multilayer sampling in a drilled well and underground gas-liquid two-phase fluid sampling.

The invention belongs to the technical field of tunnel construction equipment, and relates to a shield tunneling machine for a tunnel connecting passageway and a connecting passageway tunneling method of the shield tunneling machine. The shield tunneling machine comprises a start end supporting walking platform and a receiving end supporting walking platform which are respectively arranged on material transportation rails in two main tunnels, a shield tunneling machine main unit, a counterforce supporting frame and a main tunnel supporting assembly which are respectively arranged on the start end supporting walking platform and a corresponding main tunnel duct piece, and a start end socket sealing assembly and a receiving end socket sealing assembly which are respectively arranged at the start end and the receiving end of the connecting passageway, wherein a duct piece hanging assembly is arranged on the start end supporting walking platform; a jacking tunneling assembly is arranged between the counterforce supporting frame and the shield tunneling machine main unit. The shield tunneling machine can realize automatically mechanical excavation; the labor intensity is greatly reduced, the energy consumption is reduced, and the cost is reduced; meanwhile, equipment construction is stable, and the efficiency is high; settling of the ground is effectively controlled, and the construction risk is reduced.

A self-governing continuously variable inertial gas-liquid separator has an axially movable valve controlling axial flow through a nozzle orifice, and a variable flow controller upstream of and controlling the valve.

The invention relates to a device for testing fracture toughness of rock and especially relates to a device for testing fracture toughness of rock under the action of confining pressure, and belongs to the technical field of rock engineering. Through use of a confining pressure application device in the original Brazilian disc test device, a simple direct loading splitting test way of the existing test device is changed; and through use of a spring positioning device, a sealing device and a self-balancing device arranged in the box, and use of a dial indicator, an oil filling port and an exhaust port as matching devices, lateral and axial displacement change is recorded and the liquid in the box is controlled so that stable confining pressure is formed. After a sample is put into the box, the sample is fixed by the spring positioning device, and the self-balancing device is used for preventing the influence produced by the confining pressure on a loading shaft so that sample loading can be controlled conveniently. The device can realize a splitting test on a rock sample under the confining pressure, can calculate fracture toughness of the rock sample, has a reasonable design, is convenient for operation and is suitable for fracture toughness determination on various types of rock.

A sintering furnace type cooling device relates to the technology field of sintering cooling devices. An outlet of a sintering machine is provided with a single roll crusher; an outlet of the single roll crusher is provided with a hot sinter screen; the hot sinter screen is connected with an inlet of a chute; an outlet of the chute is connected with a furnace opening of a cooling furnace; a distributing device is arranged inside the furnace opening of the cooling furnace; a ventilation device is arranged at the bottom of the cooling furnace; a discharging device is connected under the ventilation device; a belt conveyer is arranged under the discharging device; the cooling furnace comprises a pre-store area which is arranged on the upper portion, a cooling area which is arranged on the lower portion and an annular flue area which is arranged on the periphery of the pre-store area; radial supporting columns which are integrally and radially distributed are arranged at the bottom of the annular flue area; a high-temperature flue gas adjustment plate is coated on two adjacent radial supporting columns; and the high-temperature flue gas adjustment plate is capable of sliding along a diametrical direction of the annular flue. The sintering furnace type cooling device has the advantages of effectively overcoming the defects that an existing sintering cooling system is serious in air infiltration and low in waste heat utilization rate, achieving efficient heat replacement, improving the temperature of the flue gas and reducing energy consumption in cooling.

The invention relates to a narrow amplitude satellite type flexographic plate printing machine which is characterized in that linear guide rails are adopted for ink transfer motion of an anilox roller and movement of a printing plate roller drum, the operation is lightweight and the printing precision is high; by setting an operation mechanism which can read data of a dial indicator for indicating the position of the printing plate roller drum, the technical difficulty in operation is reduced; the anilox roller is connected with a motor through a clutch, thereby avoiding the frequent cleaning problem in a workshop of the anilox roller; by using a back bucket type double-doctor ink supply device, the structure of an ink supply mechanism is greatly simplified, and the cost is greatly reduced; a central stamping roller drum is equipped with a water circulation cooling constant temperature system, thereby ensuring the printing quality; an ultraviolet drying device is provided with a power conversion energy-saving control circuit, thereby saving electrical energy; and an infrared drying device, a printing film covering device and a printing synchronous circular die-cutting device are arranged on the back side of the ultraviolet drying device after the last color of a printing group, thereby further saving the electrical energy, realizing synchronous multiple functions in one machine and reducing the cost. The narrow amplitude satellite type flexographic plate printing machine is applicable to water-based ink printing, and can avoid polluting commodities and causing harm to health of people, and is environment-friendly.

The invention discloses a stratified fluid monitoring and sampling device based on pressure pulse. A sampling device is arranged on the inner wall of a drilled hole or a sleeve and comprises a packer system, a liquid sample injection system, a gas sample injection system, automatic multi-way valves, a sampling system, a temperature control system and the like, wherein a pressure container in a pressure pulse system is connected with the valves and a pressure sensor through a pipeline for forming the pressure pulse system, the pressure pulse system is connected with the underground gas sample injection system through the automatic control multi-way valve, the liquid sample injection system is connected with the liquid automatic multi-way valve, and the gas sample injection system is connected with the gas automatic multi-way valve. The state of fluid in a stratum is judged by the pressure pulse, the underground fluid sampling horizon is simultaneously precisely controlled, respective sampling of gas and liquid fluids in different horizons under constant temperature and pressure conditions can be realized, the response rate of sampling is improved and precise sampling under the low flow rate condition can be particularly realized. The device is simple to assemble all the parts and suitable for monitoring the state of the multi-layer fluid in a bored well and sampling the underground gas and liquid two-phase fluid.

The invention discloses a sintered ore cooling furnace device. The device is composed of a pre-storage area, an annular air flue area, a chute area, a cooling area and an air chamber. High-temperature sintered ores are continuously and evenly distributed into a cooling furnace for cooling through a charging port above the pre-storage area by a material distribution device, high-temperature sintered ores are subjected to counter-flow heat exchange with low-temperature air blown from the bottom of the furnace in the cooling area of the cooling furnace, sintered ores are cooled to below 180 DEG C, low-temperature ores are discharged by a discharging device, the low-temperature air is heated to about 600 DEG C through counter-flow heat exchange and enters a waste heat recycling system through an air outlet, and hot air and hot sintered ores are effectively sealed inside the cooling furnace in the whole process. By the aid of the device, on the premise that the quality of sintered ores is guaranteed or improved and the return fine rate is reduced, the efficiency of recycling of waste heat of sintered ores is improved to the maximum extent.

The invention discloses a MEMS microphone, which comprises a substrate, a first vibrating diaphragm and a second vibrating diaphragm. A sealing cavity is formed between the first vibrating diaphragm and the second vibrating diaphragm. A back electrode unit is arranged in the sealing cavity and forms a capacitor structure together with the first vibrating diaphragm and the second vibrating diaphragm. A plurality of through holes penetrating through the two sides of the back electrode unit are formed in the back electrode unit. A gas with the viscosity coefficient thereof smaller than that of air is filled in the sealing cavity. According to the MEMS microphone, the gas with the viscous coefficient thereof smaller than that of air is filled in the sealing cavity, so that the sound resistanceof the two vibrating diaphragms when the vibrating diaphragms are moving relative to the back electrode can be greatly reduced. The noise of the microphone is reduced. Meanwhile, the gas with the lowviscosity coefficient is used for filling, so that the pressure in the sealing cavity can be consistent with the pressure of the external environment. The problem of diaphragm deflection caused by differential pressure is avoided, and the performance of the microphone is guaranteed.

An inertial gas-liquid impactor separator and method is provided, including multiple stages and multiple variable flow controllers.

The invention relates to the field of electrochemistry, in particular to a negative pole piece and a secondary battery comprising the same. The negative pole piece comprises a negative current collector, a first negative active material layer arranged on at least one surface of the negative current collector and a second negative active material layer arranged on the first negative active materiallayer, wherein the first negative active material layer includes a first negative active material, the second negative active material layer includes a second negative active material, the first negative active material satisfies 1 GPa < / =Young's modulus< / = 10 GPa, and the second negative active material satisfies 11 GPa < / = Young's modulus < / = 30 GPa. The inventor provides a new negative pole piece, a negative active material layer formed by a certain-proportion high-Young's modulus negative active material is formed on the upper layer, the energy density of a battery cell can be effectivelyimproved, and meanwhile, the cost is reduced.

The invention discloses a furnace type cooling and heat exchange device for sintered ores and relates to the technical field of cooling devices of sintered ores. A single-roll crusher is arranged at an outlet of a sintering machine, a flap valve is arranged under the single-roll crusher, the bottom of the flap valve is arranged at the connection position of a furnace cooling system chute and an annular cooling system chute / a belt cooling system chute, the flap valve can be switched between the furnace cooling system chute and the annular cooling system chute / the belt cooling system chute, a hot vibration screen also serves as the bottom wall of the furnace cooling system chute, a hot return mine chute is connected under the hot vibration screen and is connected with the annular cooling system chute / the belt cooling system chute, an outlet of the furnace cooling system chute is connected with one end of a chain-scraper conveyor, the other end of the chain-scraper conveyor is connected with a fire door of a cooling furnace, and a heat-insulating cover is arranged above the chain-scraper conveyor. By the aid of the device, the cooling effect and the waste heat utilization ratio of sintered ores are effectively improved, and the furnace cooling system device can be arranged in a remote distance without being limited by fields.

An automatic packaging apparatus is provided, having a conveyor, a continuous longitudinally folded web, cutting and sealing mechanisms for forming flexible pouches from the web. The apparatus also includes processing stations for loading the pouches, transferring fluids (typically gases) into and out of the pouches, and sealing the pouches. Various alternative methods and devices are provided for separating each sealed pouch from the web by either making a continuous cut across a connecting strip of web material downline of the processing stations or pre-perforating the connecting strip upline of the processing stations. When the connecting strip is pre-perforated, a sealed pouch of sufficient weight may be separated from the web passively by a takeaway conveyor, and a lighter sealed pouch may be separated from the web by a tear-off mechanism that grips and pulls the web.

The invention discloses a system used for measuring internal space charges of an oil paper insulating material. The system comprises an upper electrode system body and a lower electrode system. The upper electrode system body comprises an upper electrode, a direct-current high-pressure source and an impulse source. The lower electrode system body comprises a lower electrode, a piezoelectric sensor and a wide-band amplifier. According to the system, due to a sealing ring and an exhaust module, consistency of features such as the temperature and the micro-water content of a tested object can be ensured in the process of measuring distribution of the internal space charges of the oil paper insulating material; the phenomenon that water is absorbed from air in the process of measuring the space charges and changes of the micro-water content in the tested object can be avoided mainly; in additional, the upper electrode system body is a whole with the fixed weight, on the premise that the thickness of the tested object is uniform, stress on the tested object can be uniform, the problem that due to the fact that the upper electrode system body is fixed manually in an existing measuring system, the pressure is not uniform, and deviation of the measured result occurs can be solved, so that the measured result is more accurate.

A waterpower actuated piston type fertilizer application pump, wherein a piston is arranged in the outer casing, the inner chamber of the activation piston is provided with a reversing piston jacket for accommodating a reversing piston, the reversing piston rod is provided with a movable sealing ring. By using load water as the driving power, the activation piston and the reversing piston are pushed to reciprocate, thus opening the fertilizer suction pipe and injection pipe alternatively, and realizing fertilizer suction and fertilizer injection.

The invention discloses a paper money shaped bundling and plastic packaging device which comprises a money bundle shaped bundling system and a thermal shrinkage packaging system which are arranged according to a packaging technological process. The money bundle shaped bundling system comprises a bundling plastic film supply mechanism and an I-shaped packaging and cutting mechanism, and further comprises a stacking platform which has a vertical freedom degree by the aid of a lifting driving mechanism. The bundling plastic film supply mechanism and the I-shaped packaging and cutting mechanism are sequentially arranged above the stacking platform from top to bottom, and a paper limiting plate which has the stretching freedom degree is arranged between the I-shaped packaging and cutting mechanism and the stacking platform. The axis of the paper limiting plate and the axis of the I-shaped packaging and cutting mechanism are perpendicular to each other and are parallel to the horizontal plane. Money stacks are shaped between the stacking platform and the paper limiting plate by the aid of the lifting mechanism, and a bundling structure of money bundles is formed by the aid of the I-shaped sealing and cutting mechanism. The paper money shaped bundling and plastic packaging device is simple and compact in structure and small in occupied space, and achieves money stack shaped bundling and heat shrinkage packaging integrated continuous operation.

The invention relates to a method for reducing the misalignment voltage of a hall integrated circuit. The method is as follows: a hall unit array is positioned on the central part of a chip and other circuit devices which serve hall units are arranged on the circumference of the hall unit array and in parallel connection with the hall units; the circumference of each hall unit is enclosed by an isolation belt and an epitaxial layer which are formed by heavy doping; involved devices comprise a semiconductor P type substrate and a light-dope semiconductor N type epitaxial layer which is grown on the semiconductor P type substrate; a heavy-dope semiconductor P type isolation belt is also arranged on the semiconductor N type epitaxial layer; and the isolation belt divides the semiconductor N type epitaxial layer into at least three isolated hall units which are centrally symmetrically arranged arrays. The method can make affection of stress, pressure and so on of the chip edge on the hall devices be consistent, make affection of other devices on the circumference of the hall units on the misalignment voltage of the hall units smaller, make affection of deviation of the manufacturing technique on the hall units be consistent, and have better matching property.

An ink container shell for an ink jet cartridge has spaced apart side walls, a front wall, a rear wall, and a bottom wall, a partition in said shell dividing the interior thereof into first and second chambers for respectively receiving an ink and an ink absorbing material, an opening through the partition for communicating ink in said first chamber with ink absorbing material in the second chamber, and which has a height greater than its width. The shell further includes an outlet port in the bottom wall of the second chamber provided with a wick retaining arrangement, and a block of ink absorbing material in the second chamber having an angled surface facing the opening through the partition and having an area greater than the area of the opening. A lever and tongue component for releasably interengaging the container with a holder therethrough has smooth surfaces and edges to facilitate handling of the container.

The invention relates to automatic polishing equipment, in particular to automatic polishing equipment of bearing fittings. The equipment comprises a worktable, a clamping mechanism for realizing clamping and positioning of the bearing outer ring, a polishing mechanism for realizing polishing of the outer surface of the bearing outer ring, and a fixture for mounting the bearing outer ring; the clamping mechanism, the polishing mechanism and the fixture are fixedly connected to the worktable; the fixture is positioned at the lower part of the clamping mechanism; and an abrasive belt of the polishing mechanism is contacted with the outer surface of the bearing outer ring. The outer surface force control type flexible polishing equipment of the bearing outer ring is used for polishing the outer surface of the bearing outer ring to improve the surface smoothness in a mode of not removing materials, realizes flexible contact between the abrasive belt and the outer surface of the bearing outer ring, realizes polishing by dint of constant force, monitors tangential force suffered by the bearing outer ring in real time, keeps constant tangential force and pressure of the bearing outer ring, and guarantees the polishing quality consistency; and after the bearing outer ring coats the fixture, the automatic mounting and polishing operation can be realized, and the automation degree is high.

A perforated subirrigation / drainage pipe includes a pipe body and a permeation irrigation inner pipe. The permeation irrigation inner pipe is integrally formed with the pipe body and disposed at a top of an interior of the pipe body along a central axis thereof; multiple irrigation perforations, distributed along a central axis of the permeation irrigation inner pipe, are provided on a pipe wall of the permeation irrigation inner pipe; and an opening is provided on a pipe wall of the pipe body; two flow guide baffles are respectively located at two sides of the opening and on an inner wall of the pipe body; a main irrigation and drainage channel is formed between each flow guide baffle and an outer wall of the permeation irrigation inner pipe, between each flow guide baffle and the inner wall of the pipe body, and between the two flow guide baffles.

The invention discloses a high-precision peristaltic pipeline crawl device which comprises three three-claw mechanisms, a screw rod (P) and a pipeline parameter measuring head (H). The screw rod (P) is in universal rigid connection with the pipeline parameter measuring head (H). A three-claw mechanism formed by a claw (B1) to a claw (B3) is in threaded connection with the screw rod (P). A three-claw mechanism formed by a claw (A1) to a claw (A3) and a three-claw mechanism formed by a claw (C1) to a claw (C3) are connected with the screw rod (P) in a rolling shaft mode. the three-claw mechanism formed by the claw (A1) to the claw (A3) and the three-claw mechanism formed by the claw (C1) to the claw (C3) can not oppositely shift in an axial direction of the screw rod (P). The three three-claw mechanisms support the screw rod (P) and move coordinately. In a crawl process, slip can not occur, and the craw precision is high and error is less than 0.1 millimeter. Dynamic range of a stretch process is large and crawl in various pipelines with different calibers is achieved. Movement states and changes of step length speed and movement direction of the crawl device when the crawl device crawls can be precisely set and automatically controlled. Driving force or traction force in the axial direction of the crawl device is large, and the crawl device is suitable for pushing or pulling heavy load. The crawl device has an automatically locating center function.

The invention relates to the technical field of experimental devices for rock physical experiments and provides a rock anisotropy measuring clamp and a measuring method thereof. The rock anisotropy measuring clamp mainly comprises a base, a guide rail, a slider, a propelling portion, a fixing portion, a piezometer and an acoustic wave receiving device, an angle adjusting device and an angle pointer are arranged on the propelling portion, and displacement scale marks are formed on the base. The rock anisotropy measuring clamp can measure acoustic wave anisotropy features of a rock core from different angles, and physical response of rock in actual strata can be reflected really, which has guidance effect on exploiting oil-gas reservoirs.

The invention provides a high-pressure wax deposition simulation device and method. The high-pressure wax deposition simulation device comprises a high-pressure kettle (1), wherein the high-pressure kettle (1) is internally provided with a cold finger (5) used for wax deposition; the temprature of the cold finger (5) is controlled by a first temperature control system (18); the temperature in the high-pressure kettle (1) is controlled by a second temperature system (19); the high-pressure wax deposition simulation device further comprises a sampling pipe (9), a sampling device (21) and a visible window (10), which can be used for sampling and observing under a high-pressure environment in the high-pressure kettle (1); and the high-pressure wax deposition simulation device further comprises a viscosity detection device (17). The high-pressure wax deposition simulation device and method provided by the invention can realize wax deposition simulation experiment, viscosity online detection and visualization processes under the high-pressure environment.

The invention discloses a hydraulic parallel driving system for fore-and-aft lifting of a forging manipulator. The P port of a nonsymmetrical proportional servo valve (2-1) is respectively connected with an oil supply port (1) of an oil source and the P port of a symmetrical proportional servo valve (2-2); the A port of the nonsymmetrical proportional servo valve (2-1) is respectively connected with the A port of the symmetrical proportional servo valve (2-2), the inlet of a lower cavity safety valve (3-2) and the like; the B port of the nonsymmetrical proportional servo valve (2-1) is respectively connected with the inlet of an upper cavity safety valve (3-1), the outlet of an upper cavity one-way valve (4-1), the inlet of an upper cavity cut-off valve (5-1) and the like; the B port of the symmetrical proportional servo valve (2-2) is plugged; an oil return port (7) of the oil source is respectively connected with the T port of the nonsymmetrical proportional servo valve (2-1), the T port of the symmetrical proportional servo valve (2-2), and the like; and the top ends of the piston rods of four lift cylinders are mechanically consolidated. The hydraulic parallel driving system disclosed by the invention can solve the problem of synchronous driving of fore-and-aft lifting systems of the existing forging manipulator.

The invention belongs to the technical field of wire mesh welding machines and welding methods, and discloses a benchmark mesh welding device for goods-shelf mesh and a welding method thereof. The benchmark mesh welding device for goods-shelf mesh is mainly and technically characterized in that a machine frame is included; an upper beam slide is arranged above the machine frame, an upper beam is arranged in the upper beam slide, an eccentric mechanism with a connecting rod is arranged near and below the machine frame, and the upper end of the connecting rod of the eccentric mechanism is connected with the upper beam; an upper electrode holder communicating with a transformer is fixedly connected with the upper beam, plate type upper electrodes are arranged on the upper electrode holder, and a lower beam is fixed on the portion, located below the upper electrode holder, of the machine frame; and a plurality of elastic top pressure bodies are arranged transversely on the upper beam, a lower electrode holder communicating with the transformer is arranged above the elastic top pressure bodies, upper electrodes are fixed to the upper electrode holder, and a clapping and leveling mechanism is arranged on the outer side of the machine frame. In the welding process, the pressure between an organzine and a tram in each welding sport is almost equal, welding quality is high, and mesh flatness is good.

The invention relates to an online detection device and an online detection method for detecting the uniformity of a thin film solar cell photovoltaic conversion layer, belongs to the technical field of a solar cell and solves the technical problem that before a back contact is made, the quality of the solar cell photovoltaic conversion film layer can be detected. The online detection device comprises a delivery mechanism and a testing platform; the testing platform is provided with a fixed frame with a test probe and a movable frame with a test probe; the test probe on the fixed frame is connected with a front electrode of the solar cell to form an anode of a testing device; the test probe on the movable frame is pressed on the solar cell photovoltaic conversion layer to form a cathode of the testing device; and a forward bias is added on the photovoltaic conversion layer to detect the film quality. The online detection device and the online detection method have the active effects that the testing device has a simple structure, is convenient and rapid to operate and low in cost; and before the back contact layer is made, the quality of the photovoltaic conversion film layer can be monitored.