27results about How to "Improve diversion capacity" patented technology

The utility model relates to the technical field of corn seed screening, and discloses a screening device for corn seeds, which comprises a fixed bottom plate and a screening box, one side of the top of the screening box is communicated and provided with a feed port, and a hollow area is formed on a partition plate and positioned on the right side of a baffle plate. The partition plate is fixedly installed at the upper position in the screening box, the top of the partition plate is divided into two areas, one area is the solid area, the other area is the hollow area, after an air bellow is assembled, the air feeder on the side edge is started to work to supply air, airflow is guided into the screening box through the circulating pipe after being filtered through the filter plate, and therefore the screening effect is achieved. Therefore, when feeding is conducted at the position of the feeding port, air flow blows corn seeds to shift rightwards to reach the position above the hollow area, particles such as stones with the gravity larger than that of the corn seeds are located above the solid area, and the materials flow out of the hollow area and are screened through the screening plate under guiding of the material guiding plate. In this way, the overall screening capacity is well improved in the working process.

The utility model provides a kind of floating object removing equipment for sewage treatment, including grating conveyor, one end of the grating conveyor is provided with bottom backing plate, the other end of the grating conveyor is equipped with two mutually symmetrical conveyor end plate, transmission roller is rotatably installed on the bottom backing plate, the grating belt of the grating conveyor is driven and wound on the surface of transmission roller, the both ends of the bottom backing plate are respectively fixedly connected with height-adjusting plate;The utility model can flexibly adjust the height and angle of the device according to actual demand by setting through the cooperation of height-adjusting plate and mounting guide rail plate, so as to adapt to different sewage treatment scenarios.In addition, the design of positioning screw further enhances the stability of the device, keeps accurate position control during the sliding process of the extension slide, avoids the deviation problem caused by vibration or external force, and improves the flexibility of the equipment.

The present disclosure relates to a kind of water deep penetration guide seam fracturing reservoir engineering design methods, comprising: using water deep penetration perforation method, drill open horizontal long hole in the top of thick oil layer, the horizontal long hole is drilled in low water content direction on plane, and drainage channel is formed in the part where water drive oil capacity is weak;The penetration length of the water deep penetration perforation is determined according to the development thickness of oil layer, injection-production connection relationship, injection-production distance, the number of perforation is in the same direction on the top of each subdivision layer blocked by interlayer, and it is 0.2-0.4m away from upper barrier or interlayer;After the water deep penetration perforation, hydraulic fracturing is carried out to form artificial fracture, let the drilled horizontal long hole guide the longitudinal position and horizontal trend of artificial fracture, to improve the flow conductivity again, realize the purpose of "targeting" tapping of remaining oil enrichment site in the cubic of injection-production well positive rhythm oil layer.

The utility model provides a flow guide device and an air conditioner with the flow guide device, the flow guide device is arranged at an air supply outlet of a fan, and the flow guide device comprises a flow guide plate and a surrounding plate; the coaming is installed on the fan, on the air supply path of the air supply outlet, the first end of the flow guide plate is connected with the fan, the second end of the flow guide plate inclines towards the central axis of the air supply outlet, the second end of the flow guide plate and the coaming define a flow guide air duct, and the flow guide air duct communicates with the air supply outlet. According to the utility model, the guide plate is arranged at the air supply outlet, so that air can uniformly cover each area of the evaporator when passing through the guide air duct, the problem of insufficient air quantity at the bottom of the original evaporator is effectively solved, and the air field distribution on the windward side of the evaporator is more uniform.

The invention discloses petroleum fracturing sand with a multi-layer composite structure and a preparation method of the petroleum fracturing sand, and belongs to the technical field of oil and gas exploitation, and the petroleum fracturing sand is prepared by adopting a three-layer composite structure of a high-strength inner core, an interface transition layer and a high-toughness shell. By means of the structural design, the product has the high compressive strength (larger than or equal to 8000 psi) of the inner core and the high toughness and low breakage rate (smaller than 3%) of the outer shell at the same time, and the long-term flow conductivity of fractured cracks is remarkably improved. The hydraulic fracturing fluid is especially suitable for hydraulic fracturing operation of unconventional reservoirs such as deep wells, ultra-deep wells and shale oil and gas.

The application discloses in-situ growth coated catalytic proppant and a preparation method and application thereof, and the preparation method of the proppant comprises the following steps: dispersing a proppant matrix in a salt solution containing one or more transition metal precursors to form a solid-liquid suspension system; adding a precipitator to the suspension system to induce in-situ heterogeneous nucleation and growth of the metal precursors on the surface of the proppant matrix, thereby forming a precursor-coated proppant with a core-shell structure; and performing high-temperature calcination on the precursor-coated proppant to obtain the in-situ growth coated catalytic proppant. The application utilizes in-situ growth and high-temperature reactivity sintering technology to construct a firm high-entropy ceramic catalytic film on the surface of the proppant, thereby solving the problems that a traditional impregnated proppant coating is easy to fall off and has poor temperature resistance; meanwhile, the high-entropy effect and lattice oxygen vacancies are utilized to achieve a technical breakthrough that the proppant can efficiently catalyze thick oil viscosity reduction without an organic modifier.

The invention discloses a modified fly ash ceramsite proppant and a preparation method thereof, and a combined proppant and a preparation method and application thereof, and relates to the technical field of shale oil and gas fracturing. The modified fly ash ceramsite proppant comprises the following components which are mixed and granulated: fly ash, bauxite, barite powder, a recycled molecular sieve, a recycled mesoporous material, optional calcite powder and optional bentonite. The environment-friendly propping agent disclosed by the invention solves the problems of high production cost and application cost of the fracturing propping agent taking aluminum-containing minerals as main raw materials, and takes the harmless treatment of recyclable resources and industrial wastes in the whole industrial chain of the petrochemical industry into consideration, and the industrial wastes of the downstream of the oil refining and chemical industry are applied to the upstream petroleum fracturing propping agent.

This disclosure provides a mechanically indexable insert and a turning tool. The mechanically indexable insert is polyhedral, having a first end face, a second end face, and multiple side faces located between the opposing first and second end faces. The first end face has a groove along its edge, the groove having a first groove surface. Along the edge of the first end face, the first groove surface gradually approaches the second end face from the corner of the polyhedron. The first groove surface is adjacent to two side faces and forms a first intersection line and a second intersection line with each side face, respectively. The rake face of the mechanically indexable insert is located on the first groove surface, the primary cutting edge of the mechanically indexable insert is located on the first intersection line, and the secondary cutting edge of the mechanically indexable insert is located on the second intersection line. The turning tool includes a tool holder and a mechanically indexable insert mounted on one end of the tool holder. The mechanically indexable insert and turning tool provided by this disclosure can improve the machining quality of tantalum-niobium workpieces.

The utility model relates to the technical field of kitchen electric appliances, in particular to an oil screen assembly and an integrated cooker, the oil screen assembly comprises a mounting rack, and a first oil screen and a second oil screen which are arranged at intervals and are both mounted on the mounting rack, the first oil screen comprises a plurality of first meshes arranged at intervals, the second oil screen comprises a plurality of second meshes arranged at intervals, and the first meshes and the second meshes are arranged at intervals. The first mesh is provided with a first input port for oil fume to enter and a first output port for oil fume to be discharged, and the cross sectional area of the first mesh is gradually reduced from the first input port to the first output port; the first mesh is provided with a first input port for oil fume to enter and a second output port for oil fume to be discharged, the second mesh is provided with a second input port for oil fume to enter and a second output port for oil fume to be discharged, and the cross sectional area of the second mesh is gradually reduced from the second input port to the second output port, so that the first mesh and the second mesh are both of necking structures, the flow guide effect on passing oil fume can be improved, and the oil fume discharging effect is improved; meanwhile, the reflection effect of the hole walls of the first meshes and the hole walls of the second meshes on sound waves is enhanced, and noise can be effectively reduced.

The utility model relates to a kind of hospital basement floor construction joint drainage devices, belong to construction joint drainage device technical field, including basement floor and catch basin, the basement floor outside is provided with the drainage assembly for flow guide drainage and prevent blockage;The drainage assembly includes the flow guide groove fixedly connected in the outside of basement floor, the inboard of the catch basin is fixedly connected with catch bucket, the output shaft of the driving motor is fixedly connected with rotating shaft, the outer surface of the rotating shaft is fixedly connected with cutting blade.The hospital basement floor construction joint drainage device, by setting drainage assembly, the flow guide groove in the outside of basement floor, the leakage water of construction joint can be discharged to the inside of processing tank via flow guide pipe, and then the large volume of silt, debris and other impurities are completely pulverized, avoid the situation of blockage, and then reach the effect of flow guide drainage and prevent blockage, improve drainage effect.

The application provides a battery device and a power utilization device, and belongs to the technical field of batteries. The battery device comprises a box body, a plurality of battery monomers, at least one heat exchange element and a first structural element. The box body comprises a containing cavity and a bottom plate. The bottom plate is located at the bottom of the containing cavity. The containing cavity comprises a first area and a second area arranged along a first direction. The first area is located on the opposite sides of the second area. The first direction is perpendicular to the height direction of the box body. The plurality of battery monomers are located in the second area. The at least one heat exchange element is located in the containing cavity and is arranged on the side surface of the battery monomer. The first structural element is formed with a first channel. At least part of the first channel is located on the side of the heat exchange element close to the bottom plate. The first channel is in communication with the first area. The battery device of the application can improve the problem that the heat exchange medium in the heat exchange element flows out and affects the overall reliability and stability of the battery device by partitioning the containing cavity and arranging the first channel.

The utility model discloses a kind of anti-disengagement urethral support, belong to urethral support technical field, including support body, the inside fixed connection of support body has inner protection component, the outer surface of support body is sleeved with fixed component;By the inner protection component set, by smooth pipe, the inside of support body is protected, urine can be effectively avoided to directly contact support body, prevent urine pollution and accumulation, to reduce cleaning maintenance difficulty and bacterial breeding risk, reduce the possibility of infection, simultaneously, the open design of sealing ring is arc, cooperate the structure of smooth pipe, the impact force of urine to the device can be effectively slowed down, improve the flow effect, can guarantee the stability and security of device operation, by the fixed component set, by the position of support body can be firmly fixed by outer protection pipe and fastening air bag, effectively prevent its displacement or fall off in use process, further guarantee the stability of fixed.

The urine collecting barrel for the nephrology department comprises a sealing assembly and a flow guide mechanism, and the sealing assembly is arranged on the outer wall of the urine collecting barrel; the flow guide mechanism comprises a flow guide groove, a supporting block and a threaded plug, and urine collecting barrels are arranged on the inner wall of an inlet of each urine collecting barrel at equal intervals; the supporting block is arranged on the bottom wall of the urine collecting barrel; a drainage hole is formed in the bottom wall of the urine collecting barrel; and the threaded plug is in threaded connection with the drainage hole. According to the urine collection barrel for the nephrology department, the collection opening and the urination hole of the urine collection barrel are designed in a separated mode, so that the sanitary effect of the urine collection barrel is improved, the flow guide effect is improved, urine can rapidly enter the urine collection barrel, the urine in the urine collection barrel is prevented from returning to the inlet of the urine collection barrel, and the urine cannot return to the inlet in the taking and putting-down process.

The utility model relates to the technical field of side thruster fairing and discloses a fairing structure of bulk carrier bow side thruster, including the fairing body, the mounting block of fixed mounting in the lateral wall of fairing body and set up in the fairing body side position's fairing subassembly, the fairing subassembly includes the fairing mechanism of setting up in the inner wall position of fairing body, the side position of fairing body is provided with auxiliary mechanism, the fairing mechanism includes stable frame, stable frame fixed mounting is in the inner wall of fairing body, the inner wall of stable frame is rotatably installed with the fairing board through the bearing, the inner wall sliding installation of the top of fairing board is provided with the adjusting rod of chute. The utility model solves the problem that the existing fairing mostly adopts simple cylindrical or conical design, has big water flow resistance, and the fairing effect is not good, leads to the low side thruster propulsion efficiency, thereby influences the steering stability of ship.

The utility model belongs to the technical field of heat exchange, and particularly discloses a flow guide assembly, a condensation heat exchange device and gas water heating equipment. The flow guide assembly comprises a mounting frame and flow guide plates, the mounting frame is of a rectangular frame structure, the flow guide plates are arranged on each side of the mounting frame and extend in the length direction of the corresponding edge of the mounting frame, and the flow guide plates incline towards the center direction of the mounting frame from bottom to top; and the included angle of the guide plate relative to the vertical direction can be adjusted. The condensation heat exchange device comprises a condensation shell with an atomization shell and the flow guide assembly, and the installation frame is installed at the upper end of the atomization shell. According to the utility model, the smoothness of water mist and flue gas emission can be improved, and the water mist and flue gas emission effect is improved.

The utility model relates to the technical field of urea production lines, and discloses an energy-saving device on a urea production line, which comprises a mixing drum and a support frame, a second motor is mounted at the bottom of the mixing drum, the output end of the second motor is in transmission connection with a transmission disc, and the bottom of a connecting rod is connected to an upper stirring disc below. Flow guide holes are formed in the upper and lower stirring discs. The first motor is mounted in the middle of the top of the mixing barrel, and the upper stirring disc and the lower stirring disc are connected through the connecting rod, so that the upper stirring disc and the lower stirring disc can be driven to rotate after the first motor works, and the conical block is fixed at the top of the solid area of the lower stirring disc; the conical block can improve the flow guide effect on liquid, so that the flowing effect is improved under the design of the flow guide holes of the upper stirring disc and the lower stirring disc, the overall uniform mixing effect is improved, meanwhile, the conical design of the conical block also facilitates the liquid to be converged to the external flow guide holes, and discharging from the discharging cylinder at the bottom position is facilitated.

The invention relates to the technical field of oil and gas resource development, in particular to a preparation method of an ultra-light ceramsite proppant for long-distance conveying and filling. The method comprises the steps that after green pellets are prepared, polysilicate precursor sol is sprayed and permeated for several times to conduct surface modification on the green pellets, then pseudo-boehmite sol and alpha-phase nanometer aluminum oxide dispersion liquid are sprayed and added in sequence, mullite crystal nucleus powder is embedded, and finally segmented oxidation presintering and high-temperature sintering are conducted. According to the method, a compact strengthening layer formed by a mullite crystal framework is constructed on the surface layer of a propping agent particle, and a porous light structure is reserved inside, so that low density, high crushing resistance and long-term flow guide stability are effectively considered, and the method is particularly suitable for long-distance conveying and filling operation of low-viscosity slick water fracturing fluid.

The utility model discloses an energy -saving central air conditioning machine room group control equipment heat dissipation flow guide structure, including the machine room, one side of machine room is equipped with first heat dissipation fan, and the top of machine room is equipped with linkage heat dissipation mechanism and telescopic adjusting mechanism respectively, and the side of machine room is equipped with second heat dissipation fan away from first heat dissipation fan, and the top and bottom of inside machine room are equipped with installation bin, and the inside of machine room is equipped with group control equipment and exhaust passage respectively, the utility model discloses the inside of machine room is suspended to set up group control equipment, so as to cooperate with the structure of linkage heat dissipation mechanism, it is convenient to utilize synchronous rotation's fan structure, promotes two groups of relative position setting's fan blade to group control equipment and carries out the blowing heat dissipation, and the introduction of cooperation second heat dissipation fan heat dissipation airflow and the introduction of first heat dissipation fan heat dissipation airflow, thereby makes group control equipment reach more comprehensive heat dissipation effect, and the ventilation efficiency is better.

This application relates to a water tank for an extruder, belonging to the technical field of water tanks. It includes a tank body and a guide plate. The guide plate is disposed within the tank body, with its opposite sides abutting against the opposite side walls of the tank body. An inlet and an outlet are respectively opened at opposite ends of the tank body. A transmission rod is fixedly connected to each opposite side of the guide plate. The end of the transmission rod away from the guide plate passes through the side wall of the tank body and is rotatably connected to the tank body. A first gear is fixedly connected to the end of the transmission rod outside the tank body. A support plate is fixedly connected to each opposite side of the tank body. A rack is slidably connected to the upper surface of the support plate along the length direction of the tank body. The length direction of the rack is parallel to the length direction of the tank body, and the rack meshes with the first gear. A moving component for moving the rack is provided at the tank body, and a fixing component for fixing the rack is provided at the tank body. This application improves the convenience of adjusting the angle of the guide plate.

The utility model discloses a high-performance modified asphalt quantitative transfer device, which belongs to the technical field of modified asphalt quantitative transfer devices, and comprises a liquid storage tank, an inner cavity of the liquid storage tank is provided with an anti-precipitation mechanism, the lower end of the liquid storage tank is communicated with a conveying pipe, and the surface of the conveying pipe is provided with a protection assembly for providing a heat preservation effect for a pipeline. The surface of the protection assembly is provided with a fastener for fixing the protection assembly and the conveying pipe, the anti-precipitation mechanism is additionally arranged in the quantitative transfer device, precipitation of the modified asphalt can be prevented, the flow guide effect of the modified asphalt can be improved, the protection assembly is installed on the surface of the conveying pipe, and the flow guide effect of the modified asphalt can be improved. The quantitative transfer device can provide heating and heat preservation effects on the conveying pipe in an extreme environment, the modified asphalt is prevented from being solidified in the conveying process, the conveying pipe is prevented from being blocked, the modified asphalt can flow normally, and the influence on the discharging speed of the quantitative transfer device on the modified asphalt is avoided.

The present application relates to the technical field of fracturing aids, and is a temperature-controlled self-polymerization sand consolidation proppant and a preparation method thereof.The raw materials of the temperature-controlled self-polymerization sand consolidation proppant include a proppant, a surface modifier, a temperature-sensitive material, an initiator and an organic solvent.The surface modifier is composed of a silane coupling agent and an accelerator, and the temperature-sensitive material is composed of temperature-sensitive material A and temperature-sensitive material B.The temperature-controlled self-polymerization sand consolidation proppant has good compression resistance, flow conductivity and anti-flowback capability.The proppant is modified, and the modified proppant is grafted with the temperature-sensitive material, so that the temperature-controlled self-polymerization sand consolidation proppant changes in molecular conformation at the reservoir temperature after entering the fracture, and the surfaces of the temperature-controlled self-polymerization sand consolidation proppant are bonded together through chemical bonding and physical entanglement in a dual mode, thereby consolidating the sand while maintaining high flow conductivity.

The utility model discloses an assembly type constant-temperature wall which comprises constant-temperature precast blocks arranged on an outer wall of a house, tenons and mortises which are matched with each other are arranged on the upper sides, the lower sides, the left sides and the right sides of the constant-temperature precast blocks respectively, and waterproof devices are arranged at the joints of the constant-temperature precast blocks. The waterproof device comprises a vertical groove formed in the left side or the right side of the constant-temperature precast block, a horizontal groove formed in the lower side of the constant-temperature precast block, a pre-buried fixed clamping plate arranged in the vertical groove and the horizontal groove, a movable clamping plate movably connected to the fixed clamping plate, and a vertical seam cover plate or a horizontal seam cover plate installed on the movable clamping plate. The utility model can solve the problem of large local temperature difference of the wall body caused by water immersion, and can improve the thermal insulation effect and service life of the constant-temperature wall body.

The application discloses a method for preventing fracturing proppant backflow by generating porous artificial well wall around well, and belongs to the technical field of oil and gas well fracturing reconstruction. According to formation pressure, formation temperature and formation permeability, the improved double-effect slurry is prepared, so that the viscosity, solidification time and pore structure after solidification of the improved double-effect slurry meet the injection requirements of the production well; the improved double-effect slurry is displaced into the fracturing fracture by injecting the isolation fluid and gradually displacing the fracturing proppant; the improved double-effect slurry forms high-strength porous consolidated body in the fracture around the well after well shut-in, the synergistic optimization of the proppant backflow inhibition and the flow conductivity is realized, the serious flow conductivity attenuation caused by the proppant backflow near the production well is avoided, the production effect is influenced, the output of formation sand and gravel and coal powder can be reduced, the proppant backflow can be effectively prevented, the fracturing effect can be remarkably improved, and the adverse effects caused by the sand production and the proppant backflow can be eliminated.

The application belongs to the technical field of water quality monitoring, and specifically relates to a full-spectrum water quality monitor, which comprises an angle grinding frame, a control unit arranged on one side of the angle grinding frame, and a cleaning unit arranged on the other side of the angle grinding frame. The unit intermittent extrusion interaction between the stand rod and the coaxial ball seat promotes the embedded plate to move a specified distance towards the ring rail shaft center under the support and guidance of the angle grinding frame, and in the process, the double spherical columns limit the rotating direction of the arrow plate under the moving state, that is, the relative contact between the double spherical columns and the wedge plate at different end surfaces changes the limitation of the double spherical columns on the turning direction of the arrow plate at different time periods, realizes the change of the relative clamping position between the arrow plate and the tooth plate, forms reversible multiple pressing reset feedback, thereby linearly and stably adjusts the vertical distance between the spectrometer lens and the spectrometer lens, avoids the traditional one-time rigid contact scraping processing mode, changes the relative action degree between the angle shovel and the spectrometer lens end surface in a pressure-dividing mode, reduces the impurity particles in the unit operation area of the suspension, and then reduces the interaction degree and the complex environment between the impurity particles and the spectrometer lens end surface, and improves the completeness and smoothness of the spectrometer lens end surface.

The utility model relates to the technical field of rock and soil cultural relic protection and repair, and discloses a rock powder flow guiding device for rock cultural relic drilling. The rock powder flow guiding device comprises a lossless contact layer, the outer wall of the left side of the lossless contact layer is provided with a contact face, and the outer wall of the right side of the lossless contact layer is provided with a flexible sealing ring; the left end of the flow guide sleeve is fixedly connected with the end, away from the lossless contact layer, of the flexible sealing ring through a first flange, and a through pipe is installed on the outer wall of the flow guide sleeve in a communicating mode; the top end of the flexible flow guide pipe is fixedly connected with the bottom end of the through pipe through a flange II; and the rigid fixing ring is fixedly connected with the right end of the flow guide sleeve through a third flange. By means of the lossless contact layer and the contact surface, rock powder liquid is prevented from overflowing, and meanwhile mechanical damage to the surface of the cultural relic is avoided; the arranged flexible sealing ring can support multi-angle adjustment of the drill bit, and the requirement for complex drilling is met.

A sulfur dioxide tester convenient to fix comprises a testing body, a plurality of round-bottom flasks are placed at the upper end of the testing body and correspond to sample bottles, condensation pipes are connected to the upper ends of the round-bottom flasks, a mounting frame is arranged on the testing body on the rear sides of the round-bottom flasks, and a plurality of supporting columns are mounted on the mounting frame and correspond to the condensation pipes. A U-shaped fixing clamp is installed on the supporting column in a sliding mode and can be fixed to the condensation pipe, and the U-shaped fixing clamp can slide up and down along the supporting column and can be fixed at any position. The condensation pipe is communicated with a flow guide pipe, the flow guide pipe extends into the sample bottle, a limiting assembly is arranged on the upper end face of the L-shaped groove, and the flow guide pipe can be vertically introduced into the sample bottle. By means of the two arc-shaped frames at the two ends of the stand column and in cooperation with the limiting columns correspondingly installed, the flow guide pipe can be limited and guided before entering the sample bottle, it is guaranteed that the flow guide pipe can vertically enter the sample bottle, the flow guide effect of the flow guide pipe is improved, and normal reaction in the sample bottle is guaranteed.

The utility model discloses a vertical axis wind turbine, which relates to the technical field of wind power generation, and comprises a plurality of flow guide covers and a rotating shaft, the plurality of flow guide covers are distributed at intervals along the vertical direction, the flow guide covers are annular, and the middle parts of the flow guide covers are bent upwards to form flow guide curved surfaces; the rotating shaft is arranged along the axis of the flow guide cover, spiral fan blades are fixedly connected to the outer side of the rotating shaft, and the rotating shaft is in transmission connection with the first power generator. The vertical-axis wind driven generator can generate power at a low wind speed, and the power generation efficiency is improved.