477results 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 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 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 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.

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.

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 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.

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 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.