87results about "Pressure pumps" patented technology

Various examples are provided related to airlift pumping of downhole geothermal fluids. In one example, an airlift system includes a compressor; a gas sparger head in a wellbore of a geothermal well, and a pressure head recycle assembly. The sparger head produces artificial lift of the geothermal fluids by injecting a gas resulting in a difference in density downhole. The entrained gas can be extracted by the pressure head recycle assembly, compressed, and reinjected downhole. The geothermal fluid at the well head can be used in direct use applications or in a thermodynamic cycle to make shaft power. The gas sparger head can include a venturi shaped passage extending through the gas sparger head and a bubble orifice including gas orifices radially spaced about a narrow portion of the venturi shaped passage. The gas orifices can have a corresponding resonant chamber through which the gas (e.g., air) is provided.

An in and out flood restoration system and method of using the same is provided. The system may include a recovery tank with an internal storage volume to store a recovered flood liquid, one or more air openings, and one or more liquid openings. The recovery tank may be sealed or generally air tight. The system may include a suction / blower assembly, or a suction source and a blower source, to produce a suction (or negative) pressure and a blower (or positive) pressure at the one or more air openings. The system may include a suction hose and discharge hose to retrieve and dispose of the flood liquid to and from the one or more liquid openings of the recovery tank. The system may further include a stationary or rolling frame for use when the system is in an operation mode or a storage mode, and at least one sound suppressor.

The invention belongs to the technical field of liquid variable-volume machinery, and particularly relates to a balance method high-pumping-speed vacuum system and an application method thereof.The balance method high-pumping-speed vacuum system comprises a vacuum pump and a vacuum main pipeline connected with the vacuum pump and further comprises a negative pressure cabin and a balance pipeline, and the volume of the negative pressure cabin is larger than that of the vacuum cabin; the two ends of the balance pipeline are connected with the negative pressure cabin and the vacuum cabin respectively, the vacuum main pipeline, the first branch pipeline, the balance pipeline and the vacuum cabin are sequentially communicated, a first vacuum valve is arranged on the first branch pipeline, the vacuum main pipeline, the second branch pipeline, the balance pipeline and the negative pressure cabin are sequentially communicated, and a second vacuum valve is arranged on the second branch pipeline. A balance regulating valve is arranged on the balance pipeline; the application method comprises the following steps: S1, pre-pumping the negative pressure cabin; s2, a vacuum chamber is pre-vacuumized; s3, rapid balancing; and S4, pumping is supplemented to the target pressure. The requirement for rapid air exhaust of the vacuum chamber can be met, and energy consumption is reduced.

Provided is a pressurizing apparatus that pressurizes a photoresist. In an embodiment, the pressurizing apparatus includes: a housing including a wall surface defining an internal space; a film separating the internal space into a first space and a second space; a first inlet which is in communication with the first space; a second outlet which is in communication with the first space; and a pressurization gas inlet which is in communication with the second space, and in the housing, a transverse section of the internal space has a large width of a first direction and a small width of a second direction perpendicular to the first direction, and the width of the internal space in the second direction includes a section which is narrowed toward a second side which is the other side from a first side which is one side in the first direction.

A plunger lift management system may measure a casing pressure data series of an annular space between a casing and a tubing. A plunger lift management system may measure a tubing pressure data series of the tubing. A plunger lift management system may generate a pressure differential data series based on the casing pressure data series and the tubing pressure data series. A plunger lift management system may, based on the pressure differential data series, a weight of a plunger, and a length of the tubing, identifying a weight of liquid lifted by the plunger.

The present application relates to the technical field of incubation bin assembly, and aims to provide an incubation bin liquid discharge device and an immunohistochemical device to solve the technical problem of low liquid discharge efficiency of the incubation bin in the prior art, which affects incubation and reaction operation. The immunohistochemical device comprises a bottom plate and an incubation bin assembled on the bottom plate, and further comprises an incubation bin liquid discharge device assembled on the bottom plate, wherein the incubation bin liquid discharge device is connected with the incubation bin in correspondence, and the incubation bin liquid discharge device comprises a transfer bin and a liquid discharge channel connected at one end of the transfer bin, the other end of the liquid discharge channel is provided with a liquid inlet, and the liquid inlet is used for butting against a waste liquid pipe at the bottom of the incubation bin; a quick liquid discharge device is connected on the liquid discharge channel or the transfer bin, and the quick liquid discharge device is used for sucking the transfer bin to quickly suck the waste liquid in the waste liquid bin into the transfer bin.

The invention relates to the field of underground water dewatering technical equipment, and discloses a pneumatic dewatering pump which is characterized in that a water outlet pipe and an air inlet pipe a and an air inlet pipe b are arranged in an upper tank body and a lower tank body, the air inlet pipe a and the air inlet pipe b are connected with an electromagnetic valve b, the electromagnetic valve a is connected with an air source, a control system comprises a chip, a switch switching key and a pressure sensor, and the electromagnetic valve b and the electromagnetic valve a are connected with the control system. A pipeline generator is arranged between the electromagnetic valve a and the electromagnetic valve b, and a lithium battery pack is arranged between the pipeline generator and the control system. The working method comprises the following steps: turning on a power supply, and feeding air into the electromagnetic valve b by the electromagnetic valve a; air passes through the pressure sensor along the pipeline and enters the upper tank body; the chip continuously grabs a signal of the pressure sensor, and water is squeezed out; and stopping air inlet, releasing pressure, feeding air into the lower tank body, feeding air into the lower tank body through the air inlet pipe, pressing out water from the water outlet pipe, stopping air inlet when the time is up, and repeating the steps until emptying. The underground water can be safely, intelligently and quickly discharged in an energy-saving manner.

A dump valve arrangement (32) for use with a discharge riser (20) comprises: a settling chamber (66) configured to couple to a lower portion of the discharge riser, a dump valve (72) operable to permit or prevent the flow of medium from the discharge riser into the settling chamber; pressurising bypass line (38) operates as a compression input to the settling chamber to pressurise the settling chamber to reduce a pressure differential between the settling chamber and the lower portion of the discharge riser prior to opening the dump valve; a decompression output (76, 78) to reduce the pressure in the settling chamber after the dump valve has opened; and an outlet (70) for emptying the contents of the settling chamber once the pressure in the settling chamber has reduced sufficiently.

The proposed group of inventions relates to the field of pumping equipment adapted for pumping a gas-containing liquid by acting on said liquid using a medium released from the gas-containing liquid itself. For extracting a gas-containing liquid, production tubing and at least one electromechanical transducer are installed in a borehole. Attached to each of the two opposing ends of the electromechanical transducer is at least one vibration concentrating waveguide which acts on the gas-containing liquid from two opposing ends of a core of the transducer. The position of the electromechanical transducer inside the borehole is fixed by means of a protruding member situated in a region of zero vibration amplitude on each of the vibration concentrating waveguides. The electromechanical transducer is installed inside the borehole above the bubble point pressure level of the gas-containing liquid, electrical energy is fed to a winding on the core, and gas dissolved in the gas-containing liquid is released, giving rise to a gas-liquid mixture which is raised to the surface by the lifting energy of the released gas and the pressure on the bottom of the hole. The technical result includes increasing the amount of gas released from a unit volume of a gas-containing liquid, with no significant increase in the mass characteristics of the equipment used, and ensuring that the electromechanical transducer is securely fastened and held inside the borehole in the presence of high-frequency vibrations. In addition, the proposed solution obviates the need for equipment for feeding auxiliary fluids into a borehole in order to extract a gas-containing liquid.

The invention discloses a fluid rapid supply device. The device comprises a vacuum tank; a plurality of flow storage tanks; a negative pressure extraction device; a plurality of control valves; a control module; a pressure sensor; wherein the vacuum tank is connected with each flow storage tank through a pipeline, the negative pressure extraction device is connected with the vacuum tank and is used for extracting negative pressure from the vacuum tank, and the control valves are respectively and independently arranged on the pipelines for connecting the vacuum tanks and the flow storage tanks and are used for controlling the communication of the corresponding vacuum tanks and the corresponding flow storage tanks; the vacuum tank has a first capacity, the single flow storage tank has a second capacity, the first capacity of the vacuum tank is greater than the second capacity of the flow storage tank, the negative pressure extraction device performs negative pressure extraction on the flow storage tank before liquid supply is started, so that the vacuum tank keeps a first negative pressure, and the control module is connected with the corresponding sensor, the control valve and the negative pressure extraction device. The control valve and the negative pressure extraction device are used for controlling the control valve and the negative pressure extraction device, so that negative pressure in the vacuum tank carries out negative pressure liquid suction on at least one flow storage tank.

The utility model relates to drainage equipment, in particular to a portable active siphon system for rapid drainage, which comprises a vacuum pump body and is technically characterized in that one side of a cavity where an impeller of the vacuum pump body is located is connected with an air exhaust pipeline, the other side of the cavity where the impeller is located is connected with an air exhaust pipeline, and the other end of the air exhaust pipeline is communicated with a negative pressure centralized control pipe. The other end of the exhaust pipeline is communicated with the atmosphere, the two ends of the negative pressure centralized control pipe are used for being connected with a siphon pipeline water inlet section and a siphon pipeline drainage section respectively, a pressure relief pipeline communicated with the atmosphere is additionally arranged on the top face of the negative pressure centralized control pipe, a first control valve is arranged on the exhaust pipeline, a second control valve is arranged on the exhaust pipeline, and a third control valve is arranged on the pressure relief pipeline. Compared with a fixed siphon drainage device, the siphon drainage device is convenient and flexible to use and low in use cost, and meanwhile, compared with a movable siphon drainage device, the automatic level is further improved, the labor intensity of workers is reduced, the drainage efficiency is improved, and potential safety hazards are reduced.

The utility model discloses a hydraulic pump residual oil extraction device which comprises a shell, a display screen is arranged in the middle of the front face of the shell, a containing groove is formed in the bottom of one side of the shell, a folding tray is hinged to the bottom of the containing groove, a bottle body folding frame is hinged to the top of the containing groove, and an oil storage bottle is placed on the top of the folding tray. A first groove is formed in the side, close to the containing groove, of the shell, an exhaust port is formed in one side of the first groove, a second groove is formed in the other side of the shell, an air inlet is formed in the middle of the second groove, a control panel is installed on the front face of the inner wall of the shell, a storage battery is arranged at one corner of the inner wall of the shell, and a direct-current switch is arranged on the side, close to the storage battery, in the shell. According to the hydraulic pump residual oil extraction device, residual oil can be conveniently extracted from a spline shaft groove of a liquid pump through the whole hydraulic pump residual oil extraction device, and pollution caused by the fact that the residual oil flows into a speed reducer through a spline shaft center hole is avoided.

The application provides a uniform material adjusting and relay bin and method for deep-sea mining air-lift lifting, which comprises a relay bin outer cylinder and a relay bin inner cylinder arranged inside the relay bin outer cylinder; a material conveying pipe and a lifting pipe are penetrated from the top of the relay bin outer cylinder and enter the relay bin inner cylinder to cooperate with the gap between the relay bin inner cylinder; a lifting mechanism is connected to the bottom of the relay bin inner cylinder; the inside of the relay bin inner cylinder is provided with a rotating mechanism; a measuring device is installed on the top of the relay bin inner cylinder, which is used to measure the distance between the ore layer and the measuring device, and according to the measurement result, the lifting mechanism lifts the relay bin inner cylinder, so that the depth of the bottom end opening of the lifting pipe being buried by the ore layer is controlled, and the material conveying pipe is not inserted into the ore layer. The application avoids the reduction of the ore lifting efficiency caused by the hollow of the lifting pipe opening and the excessive burying of the ore layer, guarantees the full acceleration of the rising seawater of the lifting pipe to the ore and the smooth feeding of the material conveying pipe, and effectively improves the lifting stability of the ore.

This invention discloses a rapid fluid supply device, comprising: a vacuum tank; multiple storage tanks; a negative pressure extraction device; multiple control valves; a control module; and a pressure sensor. The vacuum tank and each storage tank are connected by pipes. The negative pressure extraction device is connected to the vacuum tank and is used to draw negative pressure from the vacuum tank. The control valves are individually configured on the pipes connecting the vacuum tank and the storage tanks, and are used to control the connection between the corresponding vacuum tank and the corresponding storage tank. The vacuum tank has a first capacity, and each storage tank has a second capacity. The first capacity of the vacuum tank is greater than the second capacity of the storage tank. Before the fluid supply begins, the negative pressure extraction device draws negative pressure from the storage tanks, maintaining a first negative pressure in the vacuum tanks. The control module is connected to the corresponding sensor, control valves, and negative pressure extraction device, and is used to control the control valves and negative pressure extraction device, so that the negative pressure in the vacuum tank draws liquid from at least one storage tank.

A pressure exchange chamber comprising a pressure exchange chamber tube (12) extending around a perimeter, a drive fluid input valve (44) and a drive fluid output valve (46), both valves enclosed by the pressure exchange chamber tube, and a slurry input valve (34) and a slurry output valve (36), both valves enclosed by the pressure exchange chamber tube. Also disclosed is a hydraulic ore hoisting system (HOHS) for the sea comprising a plurality of such pressure exchange chambers.

The invention relates to a water recirculation loop (30) for a hydrogen-producing electrolysis device (30) comprising an electrolysis stack (10). The water recirculation circuit (30) comprises: at least one, preferably one circulation pump (6); a water inlet section (9) connectable to the electrolysis stack (10) wherein the water inlet section (9) can be supplied with water by the pump (6); a water supply section (91) leading to the water inlet section (9); a water outlet section (11) connectable to the electrolysis stack (10) wherein water at the outlet section (11) is pressurized within the electrolysis stack (10) and / or in a water supply section (91) leading to the water inlet section (9); at least one energy recovery device (8, 28) for transferring water pressure and / or flow energy from the water outlet section (11) to the water supply section (91); and a recirculation section (31) connecting the output of the energy recovery device (8, 28) with the input port of the pump (6).

A blower is disclosed. The blower of the present disclosure comprises: a fan for producing air flow; a lower body providing an inner space in which the fan is installed, and having an intake hole through which air passes; an upper body placed on the lower body to form a flow passage which communicates with the inner space of the lower body, and having a space which is formed to pass through the upper body in the forward and backward direction, wherein the upper body includes a slit which is formed through the upper body and through which air flowing through the flow passage of the upper body is discharged to the space, and the slit comprises: a rear slit adjacent to the rear end of the upper body; and a front slit adjacent to the front end of the upper body.

The utility model discloses a construction joint processing device for tunnel engineering construction, including work table, rotation connection in the surface of work table electric telescopic link, the head subassembly of scraping, including fixedly connected in the connecting strip of electric telescopic link end, the material receiving groove of connecting in connecting strip one side, the scraper of fixed setting in material receiving groove inside and one end stretches out, the two connecting rods of connecting between connecting strip and material receiving groove, the connecting rod sliding passes through connecting strip, the head subassembly of scraping of through the design can to construction joint surface excess colloid and carry out the processing, because material receiving groove just designs in the outside of scraper, then no matter to the construction joint of where carries out and smooths, the colloid that falls down will drop into material receiving groove inside and completes the collection, simultaneously through the design of negative pressure cabin and suction pipe subassembly, can suck out the glue that collected in material receiving groove inside, avoids the overflow of glue, under the cooperation of above structure, can collect and handle the glue that scrapes down perfectly.

The invention belongs to the technical field of gas extraction and drainage, and discloses a negative pressure stabilizing device for gas extraction and drainage in an underground coal mine, which comprises an extraction pipeline, the lower side of the extraction pipeline is fixedly communicated with a one-way water inlet pipe, and one side, far away from the extraction pipeline, of the one-way water inlet pipe is fixedly communicated with a negative pressure drainage tank; through cooperation of the oppositely-opened shell, the dust filtering cover, the brush, the one-way water guide pipe, the sponge brush and other structures, the effect of integrating the three functions of impurity brushing, water spraying cleaning and water stain wiping is achieved, the filter screen cover is arranged outside the exhaust pipe, the situation that coal powder, rock powder and other light-weight solid impurities flow back into a pipeline along with gas flow again is avoided, and the service life of the pipeline is prolonged. When the floating ball floats upwards, the circular groove rod also moves upwards, the cambered surface extrusion block is extruded through the spiral groove to drive the oppositely-opened shell on the rotating disc to continuously rotate, and the pair of brushes located on the oppositely-opened shell abut against the inner side and the outer side of the dust filtering cover to continuously brush the inner side and the outer side of the dust filtering cover, so that the net surface is cleaned in real time.

Vacuum pump (1), in particular a self-priming vacuum pump (1), as a component of a vacuum wastewater system for emptying and flushing toilets, urinals and the like, with a collecting inlet line (3a) which is connected to an inlet (3b) in a housing (2) of the vacuum pump (1) and which is closed inside the housing (2) by a check valve (6) when the vacuum pump (1) is not in operation, optionally with a cutting device which is axially arranged and which comminutes solid substances in the wastewater, further comprising an axially arranged screw spindle which, when rotated, forms a water ring necessary for generating the vacuum and draws in the wastewater by means of vacuum, further comprising an outlet and a drive motor, characterized in that the vacuum pump (1) ▪ comprises a suction nozzle (4) arranged in the inlet (3b), which is configured such that the suction nozzle (4) is always in fluidic contact with an outer diameter (4b) of a water reserve (5); ▪ and the check valve (6) is arranged at an angle between 1° and 90° relative to a vertical axis of the inlet-suction port transition (7) and fully seals the suction port (4), wherein the suction port (4) is further arranged such that, in the event of a leak in the check valve (6), none of its inner diameters (4a) can come into fluidic contact with a level of the water reserve (5), and the suction nozzle (4) is arranged at a height to the water level that ensures a sufficient water reserve (5) for suction under all operating conditions.

The invention relates to the field of pumping equipment adapted for pumping a gas-containing liquid by acting on said liquid using a medium released from the gas-containing liquid itself. An electromechanical transducer comprises a container, a winding, and a core made of a magnetostrictive or piezoceramic material. The core has a vibration concentrating waveguide disposed thereon, wherein a surface of the latter that serves to act on a gas-containing liquid is situated outside of the container. Disposed on the side surface of the vibration concentrating waveguide, in a region of zero vibration amplitude, is a protruding member which is connected to the container. On the surface of the container there is a fastening means for securing same, with clearance, to an outer housing in such a way that the outer surface of the container that is free of the fastening means is capable of interacting with the gas-containing liquid. Furthermore, the container fastening means forms passages for the gas-containing liquid. The technical result consists in reducing the transmission of vibrations from the electromechanical transducer to an external suspension means, while also cooling the device by means of the gas-containing liquid.

Provided are an airflow generating device, an airflow generating method, and an airflow generating member that can alleviate restrictions on the range to which an airflow can be applied. [Solution] An airflow generating device comprising: a vibration member having a predetermined vibration surface, the vibration surface being capable of vibrating in a direction perpendicular to the vibration surface; and an airflow generating member having a gap extending through the interior from the bottom surface to the tip, the bottom surface being arranged so as to face the vibration surface at a predetermined first distance, wherein the gap is a space formed between two wall surfaces facing each other at a predetermined second distance, and the shape of the opening on the tip side is linear with a width equal to the second distance.

The invention relates to a water recirculation loop (30) for a hydrogen producing electrolysis plant (30) that comprises an electrolysis stack (10). The water recirculation loop (30) comprises: at least one, preferably one, circulation pump (6); a water inlet section (9) connectable to the electrolysis stack (10), wherein the water inlet section (9) can be supplied with water by the pump (6); a water feed section (91) leading to the water inlet section (9);a water outlet section (11) connectable to the electrolysis stack (10), wherein the water at the outlet section (11) being pressurized within the electrolysis stack (10) and / or in the water feed section (91) leading to the water inlet section (9); at least one energy recovery device (8) for transferring water pressure and / or flow energy from the water outlet section (11) to said water feed section (91); and a recirculating section (31) connecting an output of the energy recovery device (8, 28) with an input port of the pump (6).

The utility model discloses a novel manual water pumping device which comprises a water pumping device body and a water pumping device upper cover connected to the upper portion of the water pumping device body in a buckled mode, a U-shaped groove is formed in one side of the water pumping device body, a water outlet connecting piece is arranged in the U-shaped groove in a sliding mode, and the water pumping device upper cover is matched to press and fix the water outlet connecting piece. According to the water pumping device, mechanical driving is adopted, the lever principle is utilized, applied operation force is converted into mechanical actions for opening and closing the valve, a power source is not needed, reliability is high, the structure is simple, maintenance cost is low, and water flow is accurately controlled; and one end below the water outlet connecting piece is connected with a water feeding pipe. The utility model relates to the technical field of manual water pumping devices, and particularly provides a novel manual water pumping device.

Various examples are provided related to airlift pumping of downhole geothermal fluids. In one example, an airlift system includes a compressor; a gas sparger head in a wellbore of a geothermal well, and a pressure head recycle assembly. The sparger head produces artificial lift of the geothermal fluids by injecting a gas resulting in a difference in density downhole. The entrained gas can be extracted by the pressure head recycle assembly, compressed, and reinjected downhole. The geothermal fluid at the well head can be used in direct use applications or in a thermodynamic cycle to make shaft power. The gas sparger head can include a venturi shaped passage extending through the gas sparger head and a bubble orifice including gas orifices radially spaced about a narrow portion of the venturi shaped passage. The gas orifices can have a corresponding resonant chamber through which the gas (e.g., air) is provided.

A conveying device for conveying a liquid / gas mixture, in particular a crude-oil / natural-gas mixture, taken from a borehole, having a multiphase-pumping device, which can be or is coupled to a feed line and a discharge line and to which the liquid / gas mixture can be fed as a feed flow, via the feed line and via which the mixture can be discharged under increased pressure as a conveyance flow, into the discharge line, and having a recirculation line, via which a sub-flow of the liquid contained in the conveyance flow can be returned to the feed flow. The recirculation line contains an injector, through which the sub-flow is conducted, with a negative pressure being generated in the process, and which can be or is coupled to a gas line, which conducts a gas taken from the borehole. The negative pressure causes the gas to be taken in by suction.