52results about How to "The principle is feasible" patented technology

The invention relates to an apparatus and method for measuring elastic turbulence characteristics of a viscoelastic polymer in a porous medium, wherein a side connector of a fluorescent microscope of the apparatus is connected to a CCD (couple charged device) camera, a saline container, a polymer solution container and a synthetic oil container that are connected with an oil/water container are parallelly connected between an inlet of a micro metering pump and an inlet of a two-dimensional mesh microscopic simulation model, the two-dimensional mesh microscopic simulation model is provided with an inlet pressure sensor and an outlet pressure sensor, and a light guide arm of a micro field particle image speed-measuring system is positioned right above the two-dimensional mesh microscopic simulation model; all the micro field particle image speed-measuring system, the fluorescent microscope, the inlet pressure sensor and the outlet pressure sensor are connected to a data graphic data station. The apparatus and method are capable of effectively recognizing elastic turbulence of viscoelastic polymer solution in porous medium seepage, and providing qualitative and quantitative description for elastic turbulence characteristics.

The invention discloses a temperature-control shape memory plugging agent and a preparation method thereof. The plugging agent is a shape memory particle; the shape memory particle comprises: hollow high-elasticity foam sponge and a temperature-sensitive type shape memory polymer coated on the hollow high-elasticity foam sponge, wherein the content of the temperature-sensitive type shape memory polymer is 20 to 99.99 weight percent of the shape memory particle; and the grain diameter of the shape memory particle is less than or equal to 8mm. The preparation method comprises the following steps: crushing, heating and melting the temperature-sensitive type shape memory polymer; uniformly coating the uncompressed hollow high-elasticity foam sponge with a temperature-sensitive type shape memory polymer hot melt solution; compressing to prepare a compressed flake; and cooling to room temperature, and cutting and granulating. According to the temperature-control shape memory plugging agent,an organic hollow high-elasticity foam sponge compound structure is adopted, and the temperature-sensitive type shape memory polymer is used for bonding and granulating. The temperature-control shapememory plugging agent is added into well cementation cement slurry or drilling mud and is stimulated by a suitable downhole temperature rising environment and the volume is expanded for a plurality oftimes; and a volume steric effect is utilized to realize the aim of plugging rock fractures.

The invention relates to a safe and reliable window glass breaking device for escaping from traffic vehicles and relates to a rapid vehicle window glass breaking device in emergency. The safe and reliable window glass breaking device is used for traffic vehicles such as a bus, a school bus, a travel bus and a subway, and takes the place of an emergency hammer which is widely used in an existing passenger bus; and the window glass of the vehicle is crushed by the impact force generated by high pressure air or the impact force generated by a compressed spring. The safe and reliable window glass breaking device has electrical and manual functions; for the electrical function, a small low speed motor is adopted to drive a cam to rotate around and the cam oppresses a lever so as to release self locking of a cone hammer, and then the window glass is crushed by the cone hammer; for the manual function, the cam is pressed down by a finger, the lever amplifies the force so as to release the self locking of the corn hammer, and then the window glass is crushed by the cone hammer. As the structure of the safe and reliable window glass breaking device is large in crushing impact force, accurate in crushing acting point, good in crushing effect and safe and reliable in use, a remarkable creation of the window glass breaking device for escaping from traffic vehicles is realized. The safe and reliable window glass breaking device belongs to the technical field of vehicle safety devices.

The invention discloses a while drilling processing method for oily drilling cuttings. The method includes the steps of oily drilling cutting preprocessing, oily drilling cutting system washing, soli-liquid separating, and the like. Oily drilling cuttings generated in the drilling process are rapidly processed, no secondary pollution is generated in the processing work, the oil content of the processed oily drilling cuttings is lowered to 1% or lower, and collected oil can continue to be prepared into oil-based drilling fluid.

The invention discloses a variable diameter ball seat type full diameter soluble fracturing sliding sleeve. The variable diameter ball seat type full diameter soluble fracturing sliding sleeve comprises a ball seat forming machine, casing pipe short circuits, and a soluble fracturing ball. The ball seat forming machine is composed of a shell, a piston connecting rod, switch clips, a welding cylinder and springs. The lower portion of the piston connecting rod abuts against the welding cylinder connecting the switch clips. The springs are connected between the switch clips. When the ball sear forming machine is started, a piston moves downwards and pushes and breaks the welding cylinder, and the switch clips extend. The casing pipe short circuits comprise short circuit bodies and a variablediameter ball seat. The variable diameter ball seat is fixed to the casting pipe short circuits by pins, and enters a well with the casing pipe. The lower portion of the variable diameter ball seat isof a ring structure with a notch. Before fracturing operation, the switch clips of the ball seat forming machine capture the variable diameter ball seat, and pushes the variable diameter ball seat tocut off the fixing pins to move to the direction of the well bottom. Under influence of the reduced inclined planes of the casing pipe short circuits, the ring structure with the notch of the lower portion of the variable diameter ball seat can be gathered with the shrink diameter of the casing pipe short circuits, and diameter shrinking of the variable diameter ball seat is achieved.

The invention relates to an optimization design device and an optimization method for filtering-backwashing parameters of poly-containing sewage. A positive filtering pipeline in the optimization design device for the filtering-backwashing parameters of the poly-containing sewage consists of a positively-filtered sewage pipeline and a purified water pipeline, wherein the positively-filtered sewage pipeline is arranged between a raw water chamber of a vertical sewage tank and a water distributor at the top of a downstream flow filter tank; the purified water pipeline is arranged between a water collecting chamber of the downstream flow filter tank and a purified water buffer chamber of the vertical sewage tank; a positively-filtered incoming water valve, a centrifugal pump, a water flow regulating valve, a flow sensor and an inlet pressure sensor are arranged on the positively-filtered sewage pipeline; a backwashing incoming water valve of a backwashing pipeline is also connected with the centrifugal pump through a pipeline; an outlet pressure sensor is arranged on the purified water pipeline; a cylinder opening and closing system, the flow sensor, the inlet pressure sensor, the outlet pressure sensor and the centrifugal pump are all connected with an automatic control cabinet. According to the optimization design device and the optimization method provided by the invention, the quantity of optimizing sequences can be reduced, and the precision of optimization design results of the filtering-backwashing parameters can also be effectively improved.

The invention discloses a silicon wafer spin-drying machine. The silicon wafer spin-drying machine comprises a centrifugal spin-drying component, a sealing cover and a machine frame, wherein the centrifugal spin-drying component comprises a spin-drying bucket, a centrifugal basket, a spin-drying box, a fixing frame and a centrifugal power component, the spin-drying barrel is provided with a cylindrical barrel wall, an adjusting hole of a lifting mechanism is formed in the periphery of the barrel wall, a dewatering pipe and a pressure relief pipe are arranged on the inner side of the barrel wall in a tangent mode, an inclined U-shaped frame hole is formed in the peripheral side wall of the centrifugal basket, the spin-drying box which is hung on the inclined U-shaped frame hole through a lifting rod, plate-shaped lifting blocks are arranged at the two ends of the lifting rod, and the fixing frame is fixedly connected with the spin-drying barrel; a rotary shaft connecting hole is formedin the center of the bottom end of the centrifugal basket, the rotary shaft connecting hole is fitted with the keyway of the centrifugal power component provided at the lower part, and the centrifugalpower component comprises a centrifugal rotating mechanism, a position adjusting mechanism and the lifting mechanism. According to the silicon wafer spin-drying machine, a to-be-spin-dried wafer boxis placed in the spin-drying box by utilizing the principle of centrifugal spin-drying dehydration, the centrifugal rotating mechanism is used for driving the spin-drying bucket to rotate at a high speed to dry the water into the dewatering pipe, the automation degree is high, and the silicon wafer spin-drying machine is practical and convenient.

The invention discloses an automatic car mover. The automatic car mover is characterized by comprising two upper supporting plates symmetrically arranged left and right, a jack structure, a bottom plate, a driving wheel, a steering wheel, a motor and a braking wheel; grooves matched with brackets on the side of an automotive chassis are formed in the upper supporting plates, and the lower ends of the upper supporting plates are connected with the bottom plate through the jack structure; the jack structure is connected with the motor, the driving wheel, the steering wheel, the motor and the braking wheel are arranged at the bottom of the bottom plate respectively, and a detachable adjusting connection rod is arranged between the two upper supporting plates symmetrically arranged left and right and adjusts the distance between the two upper supporting plates so as to make the automatic car mover suitable for different vehicle models. According to the automatic car mover, a traditional electric mechanical jack structure is adopted, connected and improved, the principle is feasible, manufacturing, maintenance and use are convenient, and the cost is low. The automatic car mover is simple, compact in structure and easy to carry, and can be placed into a car trunk.

The invention relates to a method for quantitatively characterizing contribution of flow field shearing to interface free energy of an oil-water emulsification process, and the method comprises: (1) deformation description of oil-water emulsified droplets under the flow field shearing; (2) establishment of the relationship between flow field shear stress and emulsified oil droplet-water interfacetension; (3) acquisition of deformation characteristic parameters of the oil-water emulsified droplets under the flow field shearing; (4) correlation between flow field shear energy and interface freeenergy change of the oil-water emulsification process; (5) quantitative characterization of the contribution of the flow field shearing to the interface free energy of the oil-water emulsification process; and (6) repetition of steps (2) to (5) to quantify flow field shear energy and interface free energy change of the oil-water emulsification process in an another physical oil-water medium, or another characteristic flow field to realize the quantitative characterization of the contribution of the flow field shearing of different properties to the interface free energy of different physicaloil-water emulsification processes. The method solves the problems of description of oil-water emulsification behaviors and deformation microscale and stress of the emulsified droplets in the shear flow field of an oil field gathering and transportation system.

The invention discloses a smart sidewalk partition fence and a control method thereof. The partition fence is arranged on the edge of the sidewalk zebra line with traffic lights, and comprises a vertically arranged stand pile box and a lifting handrail mechanism, a wireless communications module and a power mechanism are arranged inside the stand pile box, a display screen is arranged on the handrail mechanism; one end of the wireless communications module and the traffic lights are wirelessly connected, the other end is connected with an electric motor, the handrail mechanism and the power mechanism are connected; the work state of the power mechanism is controlled according to the state of the traffic lights, then the handrail mechanism lift is driven through the power mechanism to ascend or descend . The smart sidewalk partition fence is simple in structure, feasible in principle, easy to use, and convenient to maintain.

The invention relates to testing apparatus for quantitatively characterizing wax crystal aggregation of wax-bearing crude oil and a quantitative characterizing method of the testing apparatus. The testing apparatus for quantitatively characterizing wax crystal aggregation of the wax-bearing crude oil is characterized in that a program control bath of the apparatus is connected with a circulating water sleeve; an inert gas pressure source is connected with a water isolation type copper shear tank; the taper of the water isolation type copper shear tank is 1:2, the water isolation type copper shear tank is surrounded by the circulating water sleeve, and oil outlet pipeline of the water isolation type copper shear tank is connected with a solenoid valve and a micro plunger pump sequentially, the tail end pipe port of an outlet pipe of the micro plunger pump is arranged above a slide arranged on a freezing-heating stage, and the freezing-heating stage is externally connected with a polarizing microscope of a standard configuration image acquisition system; the solenoid valve, the micro plunger pump, a shear driving system, the polarizing microscope, a temperature sensor and a pressure sensor are all connected to a data acquisition and control system. The problems that wax crystal image capture cannot be synchronized with different hydrodynamic conditions experienced by the wax-bearing crude oil and gray information of images can be lost during characterization of wax crystal aggregation behaviors in the prior art are solved.

The invention relates to a method for designing a graphite blackbody cavity of a high-temperature blackbody radiation source, and belongs to the technical field of thermology. The method comprises the steps as follows: in the aspect of conical end part design of the graphite blackbody cavity, the radiation heat exchange angle factor theory is taken as an analysis tool, the hypothesis that the inner wall surface of the end part of the graphite blackbody cavity and the inner wall surface (including the bottom surface) of the cavity are consistent during radiation heat exchange is proposed, and then relative parameters of cone of the end part of the graphite blackbody cavity are calculated and inferred. The method is practicable in principle, reasonable in hypothesis, good in practice effect and applicable to the design of the graphite blackbody cavity of the high-temperature blackbody radiation source.

The invention provides a device and method for measuring the equivalent diameter of an explosion broken hole. The device comprises a water tank, a water pump, a flow meter and a control valve. The method comprises the steps that standard target plates with different standard open pore diameters are installed at the open pore positions of the bottom of a water tank in a sealed mode respectively, flow testing is conducted, the corresponding relation between the different open pore diameters and flow in the standard target plates under the set duration is obtained, and a relation curve of the open pore diameters and flow of the target plates is fitted; and then the tested target plate is installed at the position of the opening in the bottom of the water tank in a sealed mode, flow testing isconducted, the flow under the set duration is obtained, and the corresponding target plate opening hole diameter is obtained by comparing the established relation curve of the target plate opening hole diameter and the flow and serves as the broken hole equivalent diameter of the tested target plate. The device is close to the actual working condition of the underwater weapon industry, easy to implement, reliable in work and low in use cost.

The invention relates to a soft material fluidity detection device. The detection device comprises a support, a driving device, an upper pressing mechanism, a pressure detection device, a lower supporting part and a displacement detection device, the driving device is installed on the support, and the driving device is connected with the upper pressing mechanism and drives the upper pressing mechanism to move downwards; and the lower supporting part is located in the support and located below the upper pressing mechanism, the pressure detection device is installed on the upper pressing mechanism, and the displacement detection device is installed on the support and detects displacement of the upper pressing mechanism. The driving device is used for driving the upper pressing mechanism to move downwards, the upper pressing mechanism is used for extruding materials on the lower supporting part, the displacement detection device on the support and the pressure detection device on the upper pressing mechanism are used for obtaining a displacement measurement value and a force measurement value in the pressure implementation process at the same time, the flow characteristics of the material are obtained by measuring the relationship between the pressure and the displacement when the material is forced to move, the principle feasibility is high, and the result can be accurately compared.

The invention relates to a method and device for controlling viscous fingering in surfactant oil displacement through the gravity effect. The method for controlling viscous fingering in surfactant oildisplacement through the gravity effect sequentially comprises the steps that an injection-production seepage inclination angle adjustable type sand-filling physical model is designed; the seepage velocity of surfactant solution displacing phase forming is related to the seepage velocity of microemulsion slug interface area forming under the gravity effect; the seepage velocity of microemulsion slug forming is related to the seepage velocity of 'oil wall' interface area propulsion under the gravity effect; physical model unitary surfactant leading displacement edge and seepage physical property parameter obtaining are conducted; and the leading displacement edge is stabilized through the gravity effect to remove oil saturation. According to the method and the device, the problems that inexisting surfactant oil displacement, in order to effectively avoid viscous fingering, a polymer-type mobility control agent often needs to be introduced into a system, consequently the oil productioncost is further increased, and the ground injection-production technology is complicated are solved, and means and bases can be provided for more comprehensive describing of the unitary surfactant displacement seepage characteristics and oil-displacement mechanism in tertiary oil production.

The invention belongs to the technical field of coal mining, and relates to an infiltration tester, in particular to a simple automatic double-ring field infiltration tester. The infiltration tester comprises an inner ring and an outer ring, wherein the inner ring is inserted into the earth's surface to form an inner container which is connected with an inner ring water supply tank and an inner ring water drain tank, and an automatic water level measuring instrument is arranged in the inner ring water supply tank; the outer ring is inserted into the earth's surface to form an outer annular container arranged on the outer side of the inner container in a sleeving manner, and the outer annular container is connected with an outer ring water supply tank and an outer ring water drain tank; theinner ring water supply tank and the inner ring water drain tank are communicated; the outer ring water supply tank and the outer ring water drain tank are communicated. By means of the infiltrationtester and a method, the double-ring infiltration tester, the inner ring water supply and drain devices, the outer ring water supply and drain devices, the automatic water level measuring instrument and the like are combined into a complete system, and the problems of large test errors due to artificial handling of water addition and reading in a testing process as well as higher cost of Mariotte's bottles are solved.

The invention discloses a tilting type arched trash rack hoisting device and method. According to the tilting type arched trash rack hoisting device, a tilting type rack groove is formed in the frontportion of a hydraulic structure and extends to an overhauling platform from a bottom sill, and a tilting type arched trash rack can vertically slide in the tilting type rack groove; a hoisting bracket is arranged on the overhauling platform, a locking beam is arranged on the position, located at the top of the tilting type rack groove, of the front end of the overhauling platform, and a fixed winch type starting and stopping machine is arranged on a platform where the water taking port tower top is located; and the fixed winch type starting and stopping machine hoist the tilting type arched trash rack through steering fixed pulleys arranged at the front end of the platform where the water taking port tower top is located. According to the tilting type arched trash rack effective hoistingmethod, the principle is feasible, and the structure is simple. A reasonable structure can be designed for the hoisting bracket according to the specific space of the overhauling platform, the flexibility is high, the tilting angle of the hoisting bracket and the tilting angle of the tilting type rack groove are consistent, and it can be ensured that the trash rack smoothly slides into the rack groove.

The invention discloses a temperature-controlled shape memory blocking agent and a preparation method. The temperature-controlled shape memory blocking agent is shape memory granules; the shape memorygranules are prepared from springs and a temperature-sensitive shape memory polymer coating the springs, wherein the temperature-sensitive shape memory polymer is 20-99.99% of the shape memory granules, and the shape memory granules have the granule size of smaller than or equal to 8 mm. The preparation method comprises the following steps of (1) smashing, heating and melting the temperature-sensitive shape memory polymer into powder; (2) uniformly coating the temperature-sensitive shape memory polymer to the springs; (3) compressing and granulating after cooling. The springs are used as composite structures, and the temperature-sensitive shape memory polymer is adopted for bonding granulation. The blocking agent is added to cementing cement paste or drilling mud, and is excited by a suitable underground temperature increase environment, expands to increase the volume several times and utilizes the volume steric effect to achieve the purpose of sealing rock cracks.

The invention relates to a testing device and method for quantitatively representing the influence of a shear effect to an aggregation behavior of waxy crystals. The method comprises the following steps: (1) photographing a waxy crystal image synchronized to a wax-bearing crude oil shear mode; (2) generating and dividing grey information of the waxy crystal image, and extracting a grey image; (3) acquiring characteristic parameters of a spatial curved surface of the grey image of waxy crystals; (4) determining a waxy crystal fractal dimension; (5) repeatedly carrying out the steps (1) to (4), so as to obtain acquire waxy crystal fractal dimensions under other shear effects; and (6) establishing a function relationship between the shear effect and the waxy crystal fractal dimensions, and quantitatively representing the influence of the shear effect to the aggregation behavior of the waxy crystals by virtue of size distribution of the waxy crystal fractal dimensions and a change rule of the waxy crystal fractal dimensions. According to the device and the method, the problems that the photographing of the waxy crystal image cannot be synchronized to different hydrodynamic conditions of the wax-bearing crude oil, image grew information is lost when the aggregation behavior of the waxy crystals is represented, and quantification parameters are not reliable in the prior art are solved.

The invention relates to a method of representing a gelation nucleating kinetics process of waxy crude oil emulsion. The method comprises steps of (1) determining latent heat released in cooling gelation; (2) according to a law of thermodynamics, establishing a relationship between latent heat released by a waxy crude oil emulsion system and quantity of gelation cores formed by wrapping dispersedphase water droplets by precipitated wax crystal, and determining cooling gelation nucleating quantity; (3) establishing a relationship between latent heat of cooling gelation and temperature and gelation nucleating rate; (4) creating a dispersed phase water droplet size and mas fraction distribution determining method; and (5) quantitatively representing cooling gelation nucleating rate of waxy crude oil emulsion. Impact of the oil-water emulsification role on the waxy crude oil gelation nucleating behavior is associated and represented according to the full correlation of thermodynamic property of the waxy crude oil emulsion and a cooling gelation characteristic parameter of the waxy crude oil emulsion, therefore, a method of quantitatively representing the gelation nucleating kinetics process of waxy crude oil emulsion is provided, and is highly scientific, operable and practical.