53results about How to "Improve liquid efficiency" patented technology

A liquid cartridge includes: a cartridge case including a case body having an opening at its one side and a lid member covering the opening of the case body; and a liquid accommodating part that is provided in an internal space defined within the cartridge case, at least a part of the liquid accommodating part being made of flexible material, wherein an air communicating path having one end communicating with an air introduction hole through which air is introduced and the other end communicating with the internal space is formed to surround the internal space in the cartridge case.

The invention provides a fracturing method of coal bed gas in smashed pea coal. Perforation parameters are optimized, and a liquid inlet channel is established in a stable coal seam section; in the whole fracturing process, the using proportion of pre-liquid volume is increased, and the pre-liquid volume is increased to 45-55% of total fracturing fluid; firstly, pure fracturing fluid accounting for 20-25% of the total fracturing fluid is pumped; then prepad fluid is pumped and a sand slug is added; sand-carrying fluid and the added sand slug support fractures and prevent sand blocking; and at last, displacing liquid is pumped. According to the fracturing method of the coal bed gas in the smashed pea coal, fracturing modification of the coal bed gas in the smashed pea coal can be effectively guided through the methods of optimizing the perforation parameters, optimizing the pumping procedure and the like.

Provided is a power supply unit which is immersed and directly cooled in a coolant filled in a cooling apparatus. The power supply unit includes a unit substrate, and a voltage step-down device mounted on the unit substrate. The unit substrate includes a voltage input terminal for supplying an external power supply voltage, and a voltage output terminal. The voltage output terminal is electrically connected to a voltage input terminal of an electronic device. The power supply unit is mounted on a bottom of a cooling tank of the cooling apparatus so that the electronic device is positioned at an upper part of the power supply unit upon electrical connection between the electronic device and the power supply unit, and cooled by the coolant flowing from the bottom, or flowing from another section of the cooling tank. The unit substrate may be disposed apart from the bottom so as to form a flow channel which allows passage of the coolant between one surface of the unit substrate and the bottom. The voltage step-down device may be configured to include a converter module which steps down the external high voltage DC voltage from 200V to 420V to the DC voltage from 24V to 52V.

A solid-liquid separation device includes a plurality of fixed members and movable members that are movably disposed between the adjacent fixed members, and a screw extending through the fixed members and the movable members in a state where the screw is not in contact with the fixed members and the movable members. The screw is rotationally driven about a center axis line thereof. A filtrate separated from an object is discharged to the outside of the solid-liquid separation portion through filtrate discharge gaps, and the object that has a reduced liquid content ratio is discharged from the outlet to the outside. In order to increase significantly a dewatering ratio, the movable members are formed to move while penetrating closer to the center axis line of the screw than an outer circumferential edge of the blade of the screw, without coming into contact with the screw.

A filter for and a method of removal of magnetic particles and treating a liquid with a magnetic field in which a liquid flows through a filter containing permanent magnetic balls tightly packed together so that there is no straight flow path through the filter but only around these magnetic balls. Increased mixing and turbulence of flow coupled with strong intensity of a magnetic field across the direction of the flow promotes better attraction and retention of magnetic particles on the magnetic balls. The filter is particularly useful as a fuel or oil filter for an internal combustion engine. Other advantageous applications include water treatment filters. The filter is capable of removing magnetic particles for an extended period of time without clogging.

The invention discloses a full-range sand-adding yield increase construction method for an oil well, which comprises the following steps of: (1) selecting a reservoir with a volcanic cave type or a loose sandstone pore type or a fractured type, starting an injector pump, injecting an injected fluid at an initial displacement speed of between 1.5 and 2 m<3>/min, gradually increasing the displacement to be between 3 and 4.5 m<3>/min, and ensuring that the pressure of a bushing is gradually improved by between 2 and 3 MPa; (2) beginning to add sand and improving the sand ratio when the amount of the injected fluid reaches one or two pipe column volumes and the injected fluid enters the stratum, controlling the range of the sand ratio to be between 5 and 10 percent and the sand amount to be between 2 and 3.5 m<3>, and ensuring that the pressure of the bushing is improved by between 4 and 6 MPa; and (3) stabilizing the pumping displacement, adding the sand according to the range of the sand ratio of between 15 and 80 percent and the gradual increase of 5 percent for each adding in the whole process, ensuring the sand amount reaches between 2.5 and 4 m<3> at a sand ratio section of between 20 and 25 percent, and making the pressure of the bushing gradually improved by between 6 and 15 MPa. The method has the advantages that: the method improves the ability that oil gas flows into the well; the success ratio of the construction reaches over 95 percent, the liquid efficiency is improved by over 45 percent, the average yield increase of an individual well is between 350 and 550 tons, the construction cost is saved by between 150 and 200 thousand yuan, and the benefit is increased by between 300 and 500 thousand yuan; and the method solves the technical problems shown in non-continuous medium reservoirs such as high filtration loss and the like.

The invention provides a fracturing method for an artificial crack of low damage and high flow conductivity of a coal-bed gas well. The fracturing method comprises the steps that (1) a thickener is prepared; (2) fracturing liquid is injected through a high pressure pump; (3) the viscosity of the fracturing liquid is increased; (4) a proppant is added; (5) the viscosity of the fracturing liquid is reduced; (6) the viscosity of the fracturing liquid is increased, and the concentration of the proppant is increased; and (7) working is finished. The fracturing method has the characteristics that the viscosity of the fracturing liquid can be controlled in real time in the whole process of coal bed fracturing construction, the success rate of construction can be effectively improved, reservoir damage is reduced especially for the low young modulus property of a coal bed, high sand ratio adding of coal bed fracturing can be realized by controlling the viscosity of the fracturing liquid, and the flow conductivity of the artificial crack in the coal bed is improved.

The invention relates to dosing equipment, and especially relates to flocculant uniform-dosing equipment capable of extending into a water body. The technical problem to be solved is how to design theflocculant uniform-dosing equipment capable of extending into the water body, which can feed a flocculant into the water body, improves the sewage treatment effect and saves materials. The flocculantuniform-dosing equipment capable of extending into the water body comprises a base, a lower supporting frame, an upper supporting frame, a hopper, a material guide cylinder, a bidirectional spiral shaft and the like; the lower supporting frame is arranged at the top of the base, the upper supporting frame is arranged at the top of the lower supporting frame, the hopper is arranged on the upper supporting frame, a guide cylinder is arranged on the upper portion of the inner side of the lower supporting frame and communicated with the hopper, and the bidirectional spiral shaft is rotatably arranged in the material guide cylinder and makes contact with the inner wall of the material guide cylinder. The dosing equipment fixed on a ship body, when the ship moves on the water surface, a liquidoutlet hose moves in the water body, and discharging holes in the liquid outlet hose can achieve the effect of uniform discharging.

A cooling device comprises a manifold housing having a generally concave inner edge configured and dimensioned to surround a surface area of a work roll in a rolling mill. The manifold housing is of a modular design having multiple constituent sections that are internally configured to simultaneously apply both a liquid coolant and a pressurized gas to the surface area of the work roll.

The invention relates to semiconductor packaging detection equipment. The equipment comprises a machine frame and a conveying belt, a driving mechanism is arranged on one side of the conveying belt, the driving mechanism comprises a storage box, a discharging opening is formed in the bottom of the storage box, and the discharging opening is arranged right opposite to the feeding end of the conveying belt; a shell body is arranged above the conveying belt, a color mark sensor is fixedly connected to the outer side of the bottom of the shell body, and a light outlet of the color mark sensor is right opposite to the belt face of the conveying belt; a bidirectional screw rod is rotationally connected inside the shell body, and is connected with a first motor, and the first motor is controlledby the color mark sensor; the two ends of the bidirectional screw rod are in threaded connection with a left-handed nut and a right-handed nut respectively, an elastic liquid storage bag is arranged in the middle of the bidirectional screw rod in a sleeving mode, a liquid outlet pipe is arranged on the elastic liquid storage bag in a communicating mode, and the bottom end of the liquid outlet pipepenetrates through the shell body and is right opposite to the belt surface of the conveying belt; and a collecting box is arranged at the discharging end of the conveying belt, and a magnetic plateis rotationally connected to the side wall of the collecting box. The semiconductor packaging detection equipment is accurate in detection and high in efficiency.

Provided are an electronic device and a power supply unit, both of which are immersed and directly cooled in a coolant filled in a cooling apparatus. The electronic device includes a carrier substrate having a voltage input terminal for supplying a DC voltage for the electronic device, a plurality of module connectors arranged on one surface of the carrier substrate, a plurality of module substrates, a plurality of supporting plates for holding both ends of the respective module substrates, and a supporting member for supporting the carrier substrate. The voltage input terminal is electrically connected to a voltage output terminal of the power supply unit. Each of the module substrates includes a module connector plug electrically coupled to each of the module connectors. The supporting member supports the carrier substrate so as to be positioned at the upper part of the power supply unit mounted on the bottom of the cooling tank of the cooling apparatus upon electrical connection between the electronic device and the power supply unit. The power supply unit includes a unit substrate, a voltage step-down device mounted on the unit substrate, and a stage to which the unit substrate is fixed.

A method for using a nanocomposite of tin cobalt oxide nanocubes and graphene oxide to photo-catalytically degrade a portion of an organic contaminant in a solution. The nanocubes have an average side length in a range of 400 nm-1.5 μm and a carbon to tin molar ratio in a range of 10:1-25:1. The nanocomposite may also be used for enhancing the efficiency of a liquid fuel.

The invention discloses a crystal liquid filter pressing device for ammonium paratungstate production and processing, and also discloses an implementation method of the crystal liquid filter pressing device for ammonium paratungstate production and processing, the crystal liquid filter pressing device comprises a fixed extrusion mechanism and a spacer filter plate mechanism, the inner side of the fixed extrusion mechanism is provided with the spacer filter plate mechanism; a clamping reset spring is used for clamping and positioning the processed ammonium paratungstate crystal in time, the ammonium paratungstate crystal is prevented from sliding out during processing, an electric sliding block is synchronously driven to move in the process of driving an oil cylinder ejector rod to extrude, an air cylinder is started, and a pneumatic push rod is used for lifting a filter plate back and forth in a reciprocating manner, so that during extruding and filtering, the filtering uniformity can be improved through the up-down reciprocating motion of the filter plate. Compared with a traditional fixed filtering mode, the ammonium paratungstate crystals can be used for filtering a plurality of parts by utilizing the filter plate, so that the problem that other places needing to be filtered cannot be filtered is solved, the processing efficiency of the ammonium paratungstate is also enhanced, and the practicability of the filter pressing device is improved.

The embodiment of the invention discloses a single-cup structure capable of reversely puncturing the bottom by an external force, and the single-cup structure comprises a cup body, and an upper sealing film, a pressure bearing layer and a water filtering disc are sequentially arranged in the cup body; a drainage cavity and the pressure bearing layer are arranged on a pressure bearing side of the water filtering disc, a flow guide device and a through hole for accommodating the flow guide device are arranged in the drainage cavity on the water filtering disc; the flow guide device comprises a pricking needle and an elastic connector, a pressure bearing water outlet piece is further arranged between the elastic connector and the through hole, the pressure bearing water outlet piece elastically deforms under the action of an external force, and a water outlet hole is formed in the pressure bearing water outlet piece. According to the invention, the flow guide device is disposed in the water filtering disc, a capsule machine applies a vertically upward action force to the flow guide device, the flow guide device drives the pricking needle to move upwards to puncture the pressure bearing layer, then water is injected, a liquid outlet channel is formed firstly, then water is injected for dissolution, beverage liquid flows out at the highest temperature, the high temperature is kept when the beverage liquid reaches a cup, the liquid outlet efficiency is high, the speed is high, and the single-cup structure is suitable for top-speed dissolution type beverage or tea type beverage fond of high temperature.

The invention provides a vinasse residue-liquid separation device for white spirit production. The vinasse residue-liquid separation device for white spirit production comprises a feeding hopper, a feeding pipe, a fixed clamping plate and supporting legs, wherein the supporting legs are installed on the lower side of the fixed clamping plate; anti-skid foot pads are installed on the lower sides of the supporting legs; the feeding pipe is arranged on the upper side of the fixed clamping plate; the feeding hopper is installed on the upper side of the feeding pipe; a residue-liquid separation tank is arranged on the fixed clamping plate; a supporting column is installed on the upper end face of the residue-liquid separation tank; a cross beam supporting plate is installed on the upper side of the supporting column; a hydraulic pump is installed on the upper side of the cross beam supporting plate, so effective residue-liquid separation treatment can be conducted on vinasse through the design; a connecting pipe is arranged on the lower side of the fixed clamping ring; a liquid inlet pipe is installed on the lower side of the connecting pipe; a filtering box body is installed on the lower side of the liquid inlet pipe; and a primary filter screen plate is arranged in the filter box body, which is convenient for filtering separated liquid. Compared with the prior art, the invention has the advantages that the device is reasonable in structure, convenient to assemble and install, wide in application range and high in reliability.

The invention relates to the technical field of biology, and discloses a plant liquid extraction device in the technical field of biology. The device comprises a shell, wherein a toothed bar is arranged at the top of the shell, a pressing block and a pressing plate are fixedly connected to the lower end of the toothed bar, a gear is arranged on the right side of the toothed bar, a second rotatingshaft is arranged at the bottom of the shell, a rotating plate is connected to the upper end of the second rotating shaft, a plurality of sets of volume cylinders are placed in the rotating plate, a fixing plate is arranged below the rotating plate, a liquid discharging hole is formed in the left portion of the fixing plate, a liquid collecting groove is formed in the fixing plate, a plurality ofsets of blade rods are connected to the second rotating shaft, a shifting rod is arranged on the right portion of the blade rods and connected to the upper side of a rotating disc, and the rotating disc is connected to a first rotating shaft in the shell. According to the plant liquid extraction device in the technical field of biology, plant tissues of cylinders in the different volume cylinderscan be squeezed in turn through the pressing plate, and the plant liquid extraction device has the advantages that squeezing can be more complete without adhesion, and the squeezed plant tissues are convenient to take out.

The embodiment of the invention discloses a single-cup extraction system based on puncture by mechanical external force. The single-cup extraction system comprises a water filtering disc, the pressure bearing side of the water filtering disc is provided with a drainage cavity and a pressure bearing layer covering the drainage cavity, and a flow guiding device and a through hole for containing the flow guiding device are formed in the position, located in the drainage cavity, of the water filtering disc. The flow guiding device comprises a needle with the tip facing the pressure bearing layer and an elastic connecting body connecting the needle and the water filtering disc, and the elastic connecting body can be plastically deformed or elastically deformed under the action of external force and drives the needle to move towards the pressure bearing layer at the same time. The flow guiding device is arranged in the water filtering disc, a capsule machine applies vertically upward acting force to the flow guiding device, the flow guiding device drives the needle to move upwards to pierce the pressure bearing layer, then water is injected, a liquid outlet channel is formed firstly, then water is injected for dissolution, beverage liquid flows out at the highest temperature, the high temperature is kept when the beverage liquid reaches a cup, the liquid outlet efficiency is high, the speed is high, and the system is suitable for top-speed dissolving type drinks or heat-loving tea type drinks.