442 results about "Fluid transport" patented technology

An immersion cooling system includes a work tank, a buffer tank, and a communication control assembly. The work tank has a work-tank gas-phase region and a work-tank liquid-phase region. The buffer tank has a buffer-tank gas-phase region and a buffer-tank liquid-phase region. The communication control assembly includes a first pipeline, a first pump, a second pipeline, and a second valve. In response to that the first pump is actuated, through the first pipeline, a fluid of the work-tank liquid-phase region is transported to the buffer-tank liquid-phase region, or a fluid of the buffer-tank liquid-phase region is transported to the work-tank liquid-phase region. In response to that the second valve is actuated, through the second pipeline, the work-tank gas-phase region is selectively in communication with the buffer-tank gas-phase region.

The invention discloses a thin film enclosure system of a low-temperature storage tank and fluid transportation equipment, and relates to the technical field of fluid transportation, the enclosure system is installed on the inner wall of the low-temperature storage tank, the enclosure system comprises a plurality of heat insulation modules installed on the inner wall of the storage tank, and the heat insulation modules are spliced and cover at least part of the inner wall of the storage tank; assembling grooves are formed in the splicing positions of the heat insulation modules; the bridging blocks are installed in the assembling grooves, the bridging blocks can connect the two adjacent heat insulation modules together, and the bridging blocks are fixedly connected with the heat insulation modules through first assembling studs; wherein an expansion stud is arranged on the inner wall of the storage tank, the expansion stud penetrates through part of the heat insulation module and is locked with the heat insulation module through a nut, and the projection position of the arrangement position of the first assembly stud and the projection position of the arrangement position of the expansion stud on the heat insulation module are mutually staggered. According to the heat insulation module, the thickness limitation of an existing heat insulation module of a bridging block can be broken through, and the problem of cold leakage of a gap between every two adjacent heat insulation modules can be solved through arrangement of the bridging block.

The invention relates to the field of flow control, in particular to an integrated full-scale high-precision flow controller and a flow measurement and control method. The integrated full-range high-precision flow controller comprises a fluid conveying flow path, a control valve and a main control chip, the fluid conveying flow path is provided with at least two flow measuring parts which are different in measuring range and connected in parallel, and each flow measuring part comprises a sensor and a flow resistance structure which are used in cooperation. A measuring part switching assembly is arranged at an inlet of the branch flow path where each flow measuring part is located; the control valve is installed on the fluid conveying flow path and connected with the measuring part switching assembly in series. The main control chip is connected with the flow measuring part, the measuring part switching assembly and the control valve. The flow can be accurately measured, so that the flow is accurately controlled, the requirement of customers for high precision of small-flow process gas is met, full-scale high-precision flow control is met, the integration degree is high, and the structure is compact.

A vaporizer cartridge has a cartridge case defining a case interior and being sized and configured for mating with a cartridge receiver. A flow passage within the case interior extends from a cartridge air inlet to a mouthpiece exit port. The vaporizer cartridge has a liquid reservoir, a resistive heating element, and a liquid transport structure. The resistive heating element has a central heating portion in electrical communication with two electrical contact tabs. The central heating portion is positioned adjacent the flow passage. The contact tabs extend outside the cartridge case and are configured for engagement by electrical contacts of the cartridge receiver when the cartridge case is mated to the cartridge receiver. The fluid transport structure has an intake surface and an outflow surface adjacent or in contact with the heating element and is configured for transfer of liquid from the reservoir to the outflow surface.

The invention discloses a low-temperature storage tank and fluid transportation equipment, and relates to the technical field of fluid transportation, and the low-temperature storage tank comprises a protective shell and an enclosure system. The protective shell is provided with an assembly cavity. The enclosure system is installed in the assembly cavity, the enclosure system can cover the inner wall of the assembly cavity and form a containing cavity, and the containing cavity can store low-temperature fluid. The enclosure system comprises a plurality of heat insulation units spliced with one another and splicing assemblies arranged on the heat insulation units, each splicing assembly comprises at least one group of first splicing part and second splicing part which are matched with each other, and the first splicing parts are detachably connected with the second splicing parts. A heat passage is formed between every two adjacent heat insulation units, a first sealing face is arranged on the first splicing part, a second sealing face is arranged on the second splicing part, and in the low-temperature fluid storage process, the first sealing faces and the second sealing faces abut against each other and block the heat passages. The situation of cold leakage between the two heat insulation units can be reduced or even prevented through the structure which is more shrunk and tighter in sealing.

A component for a vapor provision system includes a boundary wall separating a reservoir for holding a fluid from a chamber for housing a vapor generator, the boundary wall including two or more adjacent rigid bodies sealed to one another; and a tubular aperture in the boundary wall providing a fluid transport path from the reservoir to the vapor generator; wherein the aperture is defined between the adjacent rigid bodies, the rigid bodies enclosing a perimeter of the aperture along at least part of aperture's length.

A hose for fluid transfer comprises a tubular inner hose for fluid transport and an outer hose part. The tubular inner hose has a corrugated inner surface defining a bore of the inner hose, and the inner hose has a permeable tubular inner sleeve located within its bore. An inner wall of the permeable tubular sleeve is substantially smooth. The permeable sleeve may comprise a polymer composite internal layer and a permeable outer layer wrapped around the internal layer. Methods of manufacturing such a hose are also described. Such hoses are suitable for cryogenic fluid transfer.

The invention relates to the technical field of fluid transportation and heat dissipation, and discloses a parameterization-based bionic vein micro-channel design method, which comprises the following steps of: constructing a vein channel model, and deducing to obtain bionic scale parameters of a secondary vein fractal channel and structural parameters of a primary vein channel on the basis of the vein channel model; and then calculating the temperature difference and the pressure drop value of each stage of secondary pulse through a Reynolds number based on the secondary pulse diameter and the secondary pulse flow velocity so as to construct a multi-target coupling optimization function, and solving the optimal value of the adjustable parameter of the corresponding vein flow channel model when the minimum value of the multi-target coupling optimization function is solved based on a Newton iteration method. According to the method, a systematic and precise design scheme is provided for the thermal control field through structural parameterization design, multi-objective function optimization and intelligent optimization calculation, organic unification of low-flow-resistance and efficient material transportation and heat dissipation is achieved, and the method has certain feasibility and engineering application value.

An assembly and method are disclosed for generating and detecting a modulated pressure signature in a fluid transported to a subsurface injection zone. The assembly includes a pump, a pulsation dampener, and a pressure modulation device that oscillates pressure to produce a frequency-modulated signature in the fluid, resulting in an alternating current streaming potential (AC-SP) at the injection zone. The method includes recording modulated electromagnetic signals at an array of electromagnetic field receivers on a surface above the subsurface injection zone, processing the data to identify source frequency signals, and correlating these signals to image subsurface fluid or pressure distribution, enabling three-dimensional mapping of subsurface structures.

An example system includes at least one acoustic sensor configured to generate at least one time-dependent acoustic data signal indicative of an acoustic signal generated by a system performing a fluid transport process possessing a plurality of process attributes. The fluid transport process may include a flow of a fluid along at least one path. The system may further include a computing device including an acoustic data signal processing module configured to receive the at least one time-dependent acoustic data signal, and transform the at least one time-dependent acoustic data signal to a frequency-domain spectrum. Each process attribute of the plurality of process attributes may be associated with at least one respective frequency band. The computing device may include a correlation module configured to determine a process attribute of the plurality of process attributes by identifying at least one characteristic of the frequency-domain spectrum.

The utility model relates to a crystallization process and crystallization equipment in a chemical process, in particular to a micro liquid crystallization device based on electric field enhancement, and belongs to the field of novel chemical equipment. According to the utility model, the mixing and homogenization of solutions are realized by utilizing the simple micro-channel fluid conveying disturbance and the self-circulation mixing effect of micro-liquid. A uniform electric field capable of being continuously adjusted is introduced into the crystallizer to realize crystallization process strengthening and crystal form screening. And efficient regulation and control and preparation of a micro liquid crystal product are realized by utilizing the action of series or parallel coupling electric fields of the multi-stage microchannels, and the key problem that a traditional crystallizer cannot regulate and control the micro liquid crystallization process is solved.

The invention relates to an electrolysis system (10a; 10b; 10c) with at least one electrolysis cell unit (12a; 12b; 12c) for the electrolysis of at least one reactant and with at least one fluid transport unit (14a; 14b; 14c) which is connected to the electrolysis cell unit (12a; 12b; 12c) for the removal of at least one product of the electrolysis. It is proposed that the at least one fluid transport unit (14a; 14b; 14c) is arranged at least substantially completely downstream of the at least one electrolysis cell unit (12a; 12b; 12c).

The invention provides an FPVA biochip layout method considering reagent type difference in unit multiplexing, which comprises the following steps of: modeling a biochip layout task as a Markov decision process: according to the size of an input FPVA chip, the dependency relationship of each operation in a biochemical reaction sequence diagram, the reagent type contained in each operation and a binding scheduling scheme, determining the FPVA biochip layout task; initializing an FPVA mesh model and defining a state space, an action space and a reward function; wherein the reward function is set according to the total unit multiplexing complexity of the current layout scheme, the legality of the current component layout and the distance between the component and the center point of the FPVA chip; and finally, completing the FPVA biochip layout through the dual deep Q network based on a Markov decision process. By designing a reward function, the unit multiplexing complexity is minimized, and the distance between components containing the same type of reagents is reduced, so that the purposes of minimizing the cross contamination degree of a final layout scheme, the total length of a fluid transportation path and the bioassay completion time are achieved.

The invention discloses a physical model system for a multi-scale reaction transportation process of a salt water reservoir, which comprises a physical modeling module and a numerical solution module, and is characterized in that the physical modeling module is used for realizing unbalanced mass transfer through micron-scale multi-field coupling modeling, providing a physical basis for cross-scale parameter transmission, and solving the numerical solution module; the physical modeling module comprises a geometric reconstruction module, a multi-field coupling module and a multi-physical process collaboration module, the numerical solution module is used for realizing efficient solution of a pore scale multi-field coupling model, the pore scale and the Darcy scale are associated with each other, and the numerical solution module comprises an initialization module, an iteration solution module and a multi-scale parameter generation module; by constructing a pore size modeling and numerical solution dual-module cooperative system, high-precision three-dimensional reconstruction and multi-field coupling dynamic simulation of a micron-sized pore structure are realized, and deep association of a fluid transportation mechanism on a micro-pore scale and fluid transportation on a macro-Darcy scale is realized through scale upgrading.

The embodiment of the utility model provides a motor shell, a motor and a vehicle. The motor shell comprises a body part, a pumping device, a filtering device and a cooling device. The body part is cylindrical and forms a containing space for containing the motor in an enclosing mode, and meanwhile the motor is supported and protected. The pumping device is located on the body part and used for providing power for fluid transportation. The filtering device is located on the body part and used for filtering impurities in the fluid, and therefore abrasion and damage of the impurities to parts are reduced. The cooling device is located on the body part and comprises a cooling medium, the cooling medium is used for exchanging heat with fluid, and the fluid enters the motor again to cool the motor after being cooled. Wherein the filtering device, the pumping device and the cooling device are sequentially distributed along the peripheral side of the body part, so that direct and efficient cooling of motor parts can be realized, and the heat dissipation effect of the motor is greatly improved. Meanwhile, the motor shell is only used for containing the motor and does not need to contain other equipment of the vehicle, and the shell space is saved.

A curved flow tube can be positioned in a tubing string deployed downhole in a wellbore to slow a closure of a flow valve in the tubing string. The tubing string can be deployed in the wellbore to transport wellbore fluid. The flow valve can be coupled to the tubing string. Additionally, the flow valve can include a flapper and the flow tube. The flapper can be positioned to control the wellbore fluid transported through the tubing string. The flapper may be adjusted between an open position and a closed position. The flow tube can include a downhole end that has a curvature to slow a closure rate corresponding to adjusting the flapper from the open position to the closed position.

The utility model discloses a low-temperature fluid conveying pipeline for coating processing, and relates to the technical field of coating conveying pipelines. Comprising a pipeline body, an anti-static device and a static electricity eliminator, the anti-static device is movably installed on the surface of the pipeline body, the anti-static device comprises the static electricity eliminator, a spray point, an installation block and a bolt, the static electricity eliminator is installed in the anti-static device, and a second connector is installed on the surface of the anti-static device. A connecting wire is mounted at the top of the connector, a first connector is mounted at the end, away from the second connector, of the connecting wire, a spray point is fixedly mounted at the bottom of the first connector, a mounting block is movably mounted at the top of the pipeline body through a bolt, and the top of the spray point is movably mounted in the pipeline body; and by arranging the static electricity eliminator, static electricity generated by friction in the conveying process of the coating can be eliminated, and the safety of workers is protected.

The manual reversing valve comprises a valve body, the upper end of the interior of the valve body is movably connected with a first valve element, the lower end of the interior of the valve body is movably connected with a second valve element, a connecting rod is arranged in the center of the top end of the second valve element, and the top end of the connecting rod is connected with the bottom end of the first valve element. A first liquid outlet pipe opening is formed in the upper end of the surface of the valve body, one end of the first liquid outlet pipe opening extends into the valve body, a second liquid outlet pipe opening is formed in the position, below the first liquid outlet pipe opening, of the surface of the valve body, a first fluid conveying cavity is formed in the first valve element, and a second fluid conveying cavity is formed in the second valve element. A first liquid supply pipe opening is formed in the outer wall of one side of the valve body. According to the reversing valve, the function that the reversing valve conveys fluid in a double-channel mode is achieved, conveying control can be conducted on the fluid in a double-station mode, the conveying efficiency of the fluid in the using process of the reversing valve is improved, the leakage phenomenon generated in the fluid conveying process is reduced, and the sealing performance of the reversing valve in the using process is improved.

The invention discloses a water hammer eliminating device and method based on cloud network intelligent interconnection, and belongs to the technical field of fluid conveying system safety protection. Aiming at the problems of response lag, node isolation, lack of predictive ability and poor fault tolerance of a traditional water hammer elimination device, the invention provides an intelligent protection scheme fusing cloud edge collaboration and physical data hybrid modeling. The device comprises a distributed data acquisition module, a water hammer elimination execution module, an intelligent control module and a cloud platform, real-time fluid parameters are collected, pipe network topological information is combined, the action time sequence is calculated based on the pressure wave propagation speed and the node distance, and pre-action is started before pressure waves arrive; a physical simulation model and an LSTM data driving model are fused to predict the water hammer risk, the safety redundancy time and the execution strategy are dynamically adjusted, and local autonomy and fault tolerance under communication interruption are supported. Millisecond-level pre-action and multi-node cooperative pressure relief are achieved, the water hammer peak pressure is remarkably reduced, and the safety and the intelligent operation and maintenance level of a complex pipe network are improved.

A cryogenic railway tank car includes an outer tank, an inner tank positioned within the outer tank, an internal nozzle, and a pipe. The inner tank includes a shell that defines an opening. The internal nozzle is coupled to the inner tank at least along a perimeter of the opening and extends in a radial direction through the opening and into the inner tank. A space defined by an interior surface of the outer tank, an exterior surface of the inner tank, and an interior surface of the nozzle is configured to hold a vacuum. The pipe is configured to transport the fluid between an exterior of the outer tank and the interior of the inner tank. At least a portion of the pipe extends from the outer tank to the inner tank through at least a portion of the nozzle.

Systems and methods for active and passive suppression of the transition from laminar to turbulent fluid flow in conduits for fluid transport, which include pipes, channels, and semi-confined passageways. Examples include implementations of a turbulence model that predicts a turbulence transition mode of a fluid within the conduit and systems and methods for modifying the fluid in the conduit to reduce or suppress the predicted turbulence transition mode and thereby prevent or delay transition of the fluid flow from laminar to turbulent. Examples include active and systems to introduce disturbances into the fluid flow that cancel, absorb, or reduce the predicted turbulence transition mode. Examples include conduit liners configured to absorb energy from the fluid flow at a frequency of the predicted turbulence transition mode. Examples include textures and surface geometries configured to transfer energy in the fluid flow from the predicted turbulence transition mode to a different frequency.

The invention relates to a low-power-consumption data center refrigeration regulation and control method and system for gas-liquid heat exchange equipment, and belongs to the technical field of data center temperature control. The method comprises the following steps that a transient heat flux density distribution diagram of the surface of a data center is generated; reconstructing a three-dimensional temperature field and a three-dimensional airflow velocity field in the cabinet by using a computational fluid dynamics reduced-order model according to the obtained transient heat flux density distribution diagram; an abnormal thermal environment in the cabinet is self-adaptively identified to generate a dynamic jet flow control strategy; driving a micro-spraying pipe mounted at the back of the cabinet, spraying micro-jet of dielectric cooling liquid to the abnormal thermal environment by using the micro-spraying pipe, and impacting and damaging a boundary layer of the abnormal thermal environment by using the micro-jet; the rotating speed and the inclination angle of an exhaust fan at the top of the cabinet are adaptively adjusted to form a negative pressure suction flow field in which the internal area of the abnormal thermal environment is coupled with the inclination angle of the exhaust fan, so that the fluid conveying power consumption is reduced; the data center has the advantages that the power consumption of the data center is reduced by adjusting the rotating speed and the inclination angle of the exhaust fan.

The invention provides an acoustic damping device, comprising: an outer shell enclosing a flow channel having a first end to be connected to a liquid inlet and a second end to be connected to a liquid outlet, and an inner tube arranged within the outer shell, wherein a damping space is defined within the inner tube, 5 wherein the flow channel runs between the inner tube and the outer shell, and wherein the inner tube is at least partially made of elastic or viscoelastic material to damp pressure waves in fluid flowing through the flow channel.

The invention relates to a clamping pad (4) for a device for holding a tube (6) by means of friction, comprising a steel casing (8) in which a cavity (10) provided with a bottom (12) and two lateral edges (14) is formed. The cavity is filled with a flexible polymer material (16) in which a plurality of gripping bars (18a, 18b) are housed. The lateral gripping bars (18a) each have a different geometrical shape from the other gripping bars (18b) and each have a lateral face (22a) having a rounded profile matching the profile of the corresponding lateral edge of the cavity and which is in sliding contact therewith. Means (24) are provided for confining the flexible material in the cavity between the gripping bars at their respective contact face.

The invention relates to the technical field of bamboo processing and modification treatment, and discloses a method for improving high-permeability bamboo modification, which comprises the following steps: preparing a mixed aqueous solution of 9.25-37 mmol / L of alkali compound and 9.3-27.8 mmol / L of persulfate, and dipping bamboo at normal temperature for 3-6 hours; the soaked bamboo wood is heated and activated, and the activation mode is selected from one of 60-80 DEG C constant-temperature water bath treatment, 300-550 W microwave radiation treatment or 100-400 W ultrasonic radiation treatment; and after the activated bamboo wood is cleaned to be neutral, freeze drying is conducted at the temperature ranging from-50 DEG C to-70 DEG C. According to the method, free radicals generated by alkali liquor swelling and synergistic thermal activation of persulfate are utilized, bamboo blocking pore extracts are oxidized and degraded, a fluid conduction path is dredged, the permeability and porosity of the bamboo are improved, the original mechanical strength of the bamboo is kept, and the technical problems that traditional modified liquid medicine is difficult to permeate, and a skeleton is damaged due to strong base treatment are solved.

A device includes a first portion, a second portion moveably coupled to the first portion via a junction, and a cooling loop structure. The cooling loop structure includes a fluid transport structure and a fluid driving structure coupled to the fluid transport structure. The fluid driving structure is configured to move a fluid through the fluid transport structure. The fluid transport structure extends into the first portion, into the second portion, and across the junction to enable heat distribution between the first portion and the second portion.

The present invention discloses a quick connector for LNG cryogenic loading and unloading arm, and relates to the technical field of cryogenic fluid conveying devices. The present invention comprises a connecting pipe, on which an automatic sealing mechanism, two quick connection mechanisms and an anti-backflow mechanism are arranged; an L-shaped rod 1 is arranged on the right side of the connecting pipe, the top of the L-shaped rod 1 is rotatably connected to an L-shaped rod 2, the right side of the L-shaped rod 2 is rotatably connected to an L-shaped rod 3, the top of the L-shaped rod 1 is provided with a trapezoidal rotation groove 1, the bottom of the L-shaped rod 2 is rotatably extended into the trapezoidal rotation groove 1, and the right side of the L-shaped rod 2 is provided with a trapezoidal rotation groove 2. The present invention solves the problem that the loading and unloading arm is not easy to seal after the quick connector is disassembled, thereby causing LNG leakage, and the leaked LNG will quickly gasify to form a combustible mixed gas, which will cause a fire or explosion accident once it encounters a fire source, posing a serious threat to personnel and equipment.

The invention relates to a temperature control device (1) for temperature control of a fluid, comprising: at least one fluid supply (11), at least one fluid discharge (12), and at least one fluid transport element (13), wherein the fluid transport element (13) comprises a drive (131) and at least one fluid conveying element (132) connected to the drive (131), and the drive (131) moves the fluid conveying element (132) as required, wherein the fluid conveying element (132) is in contact with the fluid at least partially, and when the drive (131) is activated, the fluid conveying element (132) transports fluid from the fluid supply (11) to the fluid discharge (12). The fluid conveying element (132) comprises an elastocaloric material at least partially. The invention also relates to a vehicle with a temperature control device (1) and a method for temperature control of a fluid.

A damper with inner and outer tubes, a piston rod extending between first and second piston rod ends, and a piston mounted to the second piston rod end. The piston is disposed within the pressure tube to define rebound and compression chambers. A fluid transport chamber is positioned between the inner and outer tubes and an intake valve assembly, abutting one end of the pressure tube inside the outer tube, and defines at least one intermediate chamber that is arranged in fluid communication with at least one externally mounted, electro-mechanical control valve. A rebound chamber pressure relief valve, mounted inside the piston and piston rod end, releases excess fluid pressure in the rebound chamber. A compression chamber pressure relief valve, mounted inside the intake valve assembly, releases excess fluid pressure in the compression chamber.

The invention relates to the technical field of oil field gathering and multiphase mixed transportation, in particular to a mixed transportation rotor pump for high-gas-liquid-ratio fluid transportation, which comprises a main rotor, an auxiliary rotor, a first end cover, a second end cover and a pump body, the clearance sealing structure needs to achieve meshing clearance sealing, intra-cavity clearance sealing and end face clearance sealing at the same time, the meshing clearance is formed by the meshing surfaces of the main rotor and the auxiliary rotor, and the intra-cavity clearance is formed by the clearance between the pump cavity and the main rotor and the clearance between the pump cavity and the auxiliary rotor; the end face gap is composed of a gap between the end face of the main rotor and the first end cover and the second end cover and a gap between the end face of the auxiliary rotor and the first end cover and the second end cover. Gas dredging and plug removal under the high gas-liquid ratio condition of an oil field can be achieved through the multiphase pump, an independent additional liquid supplementing skid-mounted device or manual gas exhausting or manual liquid adding or the like is not needed any more, and the conveying efficiency is improved.