32results about How to "Reduce transportation resistance" patented technology

Single-layer CNT composites and multilayered or multitiered structures formed therefrom, by stacking of vertically aligned carbon nanotube (CNT) arrays, and methods of making and using thereof are described herein. Such multilayered or multitiered structures can be used as thermal interface materials (TIMs) for a variety of applications, such as burn-in testing.

The invention discloses a multiphase flow hybrid conveying pipeline resistance reduction device and a multiphase flow hybrid conveying pipeline resistance reduction method of a mine field. The multiphase flow hybrid conveying pipeline resistance reduction device and the multiphase flow hybrid conveying pipeline resistance reduction method are characterized in that: hybrid conveyed fluid is accelerated by a reducing pipe and then enters a device main body pipeline by a tangential inlet pipe; and an annular space between the device main body pipeline and a hot water reflow pipe forms a rotational flow. Due to different densities, oil phase, gas phase and water phase form layered circular flows in the device main body pipeline. The water phase is closely attached to the inner wall of the device main body pipeline, so that direct contact of oil with the pipe wall is avoided, and the conveying resistance is greatly reduced. The oil phase is positioned between the gas phase and the water phase and is driven by the gas phase and the water phase to be transferred towards downstream side. One end of the oil, gas and water three-phase hybrid conveying rotational flow resistance reduction device is connected with a hot water circulating system to heat the hybrid conveyed fluid, so that on one hand, the viscosity of crude oil in the hybrid conveyed pipe can be reduced, and on the other hand, gas can be expanded properly, and the air flow speed is increased. The multiphase flow hybrid conveying pipeline resistance reduction device and the multiphase flow hybrid conveying pipeline resistance reduction method have the advantages of adoption of a physical technology for resistance reduction, no toxicity, no pollution, low manufacturing cost, reliability in operation, good resistance reduction effect, capability of effectively preventing paraffin deposit and high promotion and application value.

Multilayered or multitiered structures formed by stacking of vertically aligned carbon nanotube (CNT) arrays and methods of making and using thereof are described herein. Such multilayered or multitiered structures can be used as thermal interface materials (TIMs).

The present invention can easily change an accommodatable number of discharge sheet. Further, the present invention provides a sheet processing device that can easily change the accommodatable number of discharge sheet while aiming to miniaturize the device itself. The present invention provides a sheet discharge device that is incorporated as a part of a processing device body and discharges a sheet processed at a processing section in the processing device body toward a sheet stacking section disposed at an upper section of the processing device body, the sheet discharge device having a unit receiving section formed at the processing device body, wherein plural sheet discharge units each having a different specification can be attached to the unit receiving section. Further, the present invention includes a sheet processing device using the same.

The invention discloses a coating diaphragm with high flame retardance and lithium dendrite growth inhibition and a preparation method thereof.The preparation method comprises the following steps that 1, functionalized BNNS nanosheets and Mg (OH) 2 powder are stirred and dispersed in water and homogenized, and coating slurry is obtained; 2, coating a base membrane with the coating slurry, and drying; a diaphragm A is obtained; step 3; dipping the diaphragm A in a polydopamine solution, washing and drying; and obtaining the coated diaphragm. (1) through the synergistic effect between the functionalized BNNS nanosheet and Mg (OH) 2, the ion transmission rate, the flame retardant property and the heat resistance of the coated diaphragm are remarkably improved; (2) through modification of dopamine and tannic acid, the hydrophilicity of a coating layer is increased, the ion conduction rate and the ion conductivity are greatly improved, and the growth of lithium dendrites in the battery is effectively inhibited; and meanwhile, the adhesion between the functionalized BNNS nanosheet and the Mg (OH) 2 and the base membrane is improved.

The invention relates to a double-trigger umbrella type oil and gas pipeline explosion-proof valve which comprises a valve body, a support, a valve rod guide rail, a valve rod set, an explosion-proof cover, a left mechanical response mechanism, a right mechanical response mechanism, a locking mechanism and a temperature sensing action mechanism. Valve diameter parts are arranged at the two ends of the valve body, and the valve rod guide rail is arranged between the left mechanical response mechanism and the right mechanical response mechanism. The valve rod guide rail is located in the valve body, the valve rod set surrounds the valve rod guide rail, and the valve rod set is externally wrapped by a layer of anti-explosion cover. The left mechanical response mechanism and the right mechanical response mechanism are centrally installed in the valve diameter parts at the two ends of the valve body through the supports respectively. When a pipeline is burnt or exploded, a limiting disc at one end of the device is unfixed and rapidly moves in the guide rail, the valve rod set is rapidly shrunk, and therefore a valve clack is in an opened posture. When the limiting disc moves to the limit distance, the limiting disc and another limiting disc are locked through a locking block and a locking cavity and cannot move continuously, at the moment, the valve clack is tightly attached to the inner wall of the valve body, flames or shock waves can be blocked, and the explosion-proof effect is achieved.

The invention relates to a paddle cycle material-transporting feeding machine for livestock and poultry raising, which is mainly used for solving the problems of complex structure, great occupation space, great energy consumption, and easy damage of pellets of current feeding machine. The paddle cycle material-transporting feeding machine for livestock and poultry raising is characterized in that:a distributing baffle (8) is arranged in a storage hopper (2), and a gap is arranged between the bottom of the distributing baffle (8) and the storage hopper (2); runners (10) are respectively arranged in outer parts of two ends of the storage hopper (2), two runners are connected by a conveyor (5), and a paddle (6) is fixed on an outer surface of the conveyor (5). The feeding machine for livestock and poultry raising has the advantages of saving materials and low cost in making, small volume, small electric energy consumption in operation, and no damage of pellets.

Single-layer CNT composites and multilayered or multitiered structures formed therefrom, by stacking of vertically aligned carbon nanotube (CNT) arrays, and methods of making and using thereof are described herein. Such multilayered or multitiered structures can be used as thermal interface materials (TIMs) for a variety of applications, such as burn-in testing.

An automatic feeding device of a plywood hot press comprises a material table; a side baffle is arranged on the material table, an upper transverse shaft is horizontally and rotationally arranged on the side baffle, a lower transverse shaft is rotationally arranged on the material table, the lower transverse shaft is located under the upper transverse shaft, and friction wheels are arranged at the corresponding positions of the upper transverse shaft and the lower transverse shaft; bent supports are further fixed on the side baffle, and an adsorption moving device is fixed on the bent supports; and the adsorption moving device is rotationally connected with the upper transverse shaft through an inclined support and used for stabilizing the adsorption moving device, and the adsorption moving device is further connected with the upper transverse shaft through a first belt and provides rotating power for the upper transverse shaft. Under the condition that full-automatic plywood conveying is achieved, the conveying speed can be effectively controlled, and it is avoided that the plywood is damaged due to collision.

The invention discloses a preparation method for a citral lipidosome fruit and vegetable antibacterial preservative, and particularly relates to the field of preservative. The preparation method specifically comprises the following steps of: S1: dissolving soya bean lecithin, cholesterol and citral in an absolute ethyl alcohol at a mass ratio, carrying out ultrasonic cleaning on an obtained mixedsolution in a water bath; S2: through rotary evaporation, preparing a lipidosome thin film on the side surface of a round-bottom flask, and after rotary evaporation is finished, drying overnight to remove residual organic solvents; S3: carrying out hydrothermal preparation by a phosphate buffered solution to obtain the citral lipidosome, carrying out ultrasound in the water bath, carrying out circulation by a high-pressure micro-jet homogenizer to remove lipid accumulation; and S4: through cellulose ester membrane dialysis, obtaining a suspension, removing unpacked citral, and preparing a citral lipidosome suspension. Natural and safe ingredients are adopted to obtain the lipidosome through the above technology, a situation that citral is quickly degraded to corrode fruits and vegetables can be avoided, and the generation of main powerful peculiar smells can be reduced to a greatest extent.

Multilayered or multitiered structures formed by stacking of vertically aligned carbon nanotube (CNT) arrays and methods of making and using thereof are described herein. Such multilayered or multitiered structures can be used as thermal interface materials (TIMs).

The invention discloses a carbon nitride modified Janus acid-resistant nanofiltration membrane as well as a preparation method and an application thereof. The preparation method of the carbon nitride modified Janus acid-resistant nanofiltration membrane comprises the following steps: immersing an ultrafiltration base membrane into a prepared water-phase solution for reaction, and drying to obtain an ultrafiltration base membrane I; immersing the ultrafiltration base membrane I into the oil phase solution for reaction to obtain an ultrafiltration base membrane II; performing heat treatment on the ultrafiltration base membrane II to obtain an ultrafiltration base membrane III; performing three-acid treatment on the ultrafiltration base membrane, and obtaining the carbon nitride modified Janus acid-resistant nanofiltration membrane. By adding the two-dimensional carbon material carbon nitride (C3N4), narrow, smooth and mutually communicated two-dimensional channels are provided, macromolecular substances are prevented from passing through, and the water molecule transportation resistance is reduced; a composite functional layer added with the two-dimensional carbon material C3N4 is firmly loaded on the surface of the ultrafiltration base membrane by adopting an interfacial polymerization method, and the flux of the nanofiltration membrane prepared by the method is remarkably improved on the premise of ensuring the acid resistance and the rejection rate of multivalent cations.

The invention relates to a double-trigger umbrella type oil and gas pipeline explosion-proof valve, which includes a valve body, a bracket, a valve stem guide rail, a valve stem group, an explosion-proof cover, a left mechanical response mechanism, a right mechanical response mechanism, a locking mechanism, a sensor Warm action mechanism, the two ends of the valve body are the valve diameter, the valve stem guide rail is set between the left mechanical response mechanism and the right mechanical response mechanism, the valve stem guide rail is located in the valve body, the valve stem group is surrounded by the valve stem guide rail, and the valve stem group is outsourced A layer of explosion-proof cover; the left mechanical response mechanism and the right mechanical response mechanism are installed in the center of the valve diameter at both ends of the valve body through brackets. When the pipeline burns or explodes, the limiting plate at one end of the present invention is released and moves quickly in the guide rail, so that the valve stem group shrinks rapidly, so that the valve disc presents an open posture; when the limiting plate moves to the limit distance, It is locked with another limit plate through the lock block and the lock cavity, and cannot continue to move. At this time, the valve disc is close to the inner wall of the valve body, blocking flame or shock wave, and achieving the effect of flameproofing.

Provided is a liquid discharging apparatus which includes a discharge portion which can discharge liquid, a medium support portion which can support a medium onto which the liquid is discharged, and a heating portion which can heat the medium supported by the medium support portion. The medium support portion includes a first member which can support the medium and a second member which supports the first member. Thermal diffusivity of the first member is larger than that of the second member and thermal conductivity of the second member is smaller than that of the first member.

The invention relates to a compound nanofiltration membrane with vinylon water-soluble threads as a (sacrifice) middle layer and a preparing method thereof. The vinylon water-soluble threads are adopted as the middle layer / sacrifice middle layer. The compound nanofiltration membrane has a coarse ultra-thin separated surface layer and a nanopore middle layer and has excellent permeability and selectivity; the applied vinylon water-soluble threads are environmentally friendly and low in price, experimental operation is simple, reaction conditions are mild, and the compound nanofiltration membrane has broad production prospects.

The invention discloses a chain-type conveyer which comprises a machine head, a conveying groove, a conveying chain, a spacing plate, a machine tail and a chain wheel. The chain-type conveyer is characterized in that the conveying chain is connected with the chain wheel and consists of more than two chains arranged in parallel; and the chains in parallel arrangement are fixed on the spacing plate and are installed in the conveying groove. The parallel arrangement combination of the multi-chain conveying chain relieves the damage to the conveying groove by materials and improves the service life of the conveyer.

The invention discloses a preparation method of composite particles wrapping a quorum sensing inhibitor and a product thereof. The preparation method comprises the following steps: preparing a mixed solution of montmorillonite and sodium alginate as a water phase; preparing an oil phase containing the quorum sensing inhibitor; adding the oil phase into the water phase, and shearing and mixing to obtain microemulsion; and cooling and diluting the obtained microemulsion to obtain an aqueous dispersion of the emulsion, dropwise adding an ionic cross-linking agent solution, stirring and cross-linking after dropwise adding, standing, washing particles with deionized water, and freeze-drying to obtain the composite particles wrapping the quorum sensing inhibitor. According to the preparation method, the montmorillonite-based Pickering emulsion is used as a template to prepare the particles, the biotoxicity is low, the encapsulation efficiency and stability of the medicine are obviously improved, and the leakage of active ingredients in the storage process is reduced to a great extent.

The invention provides an agitating lorry V-shaped discharging chute. The agitating lorry V-shaped discharging chute comprises a discharging chute. The front end of the discharging chute is a charging opening, and the back end of the discharging chute is a discharging opening. A lifting lug is arranged at the underside of the front end of the discharging chute. A rotation lug is arranged at the underside of the back end of the discharging chute. A discharging tank back baffle plate is arranged at the charging opening of the discharging chute. A discharging tank front baffle plate for preventing falling of materials is arranged at the discharging opening of the discharging chute. The front end opening of the discharging chute is a plane. A small discharging tank lining-board is arranged at the plane part. A strengthening enclosure for enhancing strength of the discharging chute is arranged at the side edge of the discharging chute along the side edge, the charging opening of the discharging chute is large and the discharging opening of the discharging chute small. The agitating lorry discharging chute is V-shaped overall. The discharging tank enclosure is arranged at the upper edge of the discharging chute, and therefore the strength of the whole discharging chute is raised, the mutual extrusion among concrete is decreased, the transportation resistance is decreased, thus transportation is unhindered, and delay of concrete is reduced.

Provided is a liquid discharging apparatus which includes a discharge portion which can discharge liquid, a medium support portion which has a support surface which can support a medium onto which the liquid is discharged, and a heating portion which can heat the medium supported by the medium support portion, in which at least a part of the medium support portion is constituted of a low thermal conductivity member having a thermal conductivity of 0.4 W / mK or less and the radiation rate of the support surface is set to a value equal to or greater than 0.7 and less than 1.

The invention provides a coating container with selectable transportation modes. The coating container comprises a container main body, a cover body is arranged at the top of the container main body,and an auxiliary cover is further arranged on the cover body; a cavity for containing a coating is formed in the container main body, a conveying frame is detachably connected to the bottom of the container main body, a fixing frame sleeves the outer side of the container main body; reinforcing ribs are arranged between the fixing frame and the container main body, and the reinforcing rib are fixedly connected with the fixing frame and the outer side wall of the container main body correspondingly; and the fixing frame is further fixedly connected with a plurality of connecting rings, and theconnecting rings are uniformly distributed on the upper end surface of the fixing frame in a circular array by taking the geometric center line of the container main body as the axis. The coating container with the selectable transportation modes has the beneficial effects that through the design, the container main body has the advantage of being transported in a plurality of transportation ways,more suitable transportation modes can be selected in different transportation occasions, and selection of the transportation mode is more flexible and diversified, so that great convenience is brought to more rapid transportation of coatings for workers.

Provided is a liquid discharging apparatus which includes a discharge portion which can discharge liquid, a medium support portion which has a support surface which can support a medium onto which the liquid is discharged, and a heating portion which can heat the medium supported by the medium support portion, in which at least a part of the medium support portion is constituted of a low thermal conductivity member having a thermal conductivity of 0.4 W / mK or less and the radiation rate of the support surface is set to a value equal to or greater than 0.7 and less than 1.

The invention relates to a linear conveying device for mechanical parts; the device comprises a pool body, a conveying unit, adjusting units and a part taking unit. The pool body is filled with water; the conveying unit is arranged on the water surface in the pool body and comprises a ship body, a part groove is formed in the upper end face of the ship body, three slopes with the height lowered towards the part groove are arranged on the three side faces of the peripheral side of the part groove, a rotating plate is arranged on the other side face of the peripheral side of the part groove, and an engine, a propeller connected with the engine and a balance rudder are arranged at the bottom of the ship body. A mounting slope is arranged at one end of the ship body; the adjusting units are arranged on the two sides of the pool body and used for adjusting the buoyancy of the ship body, and each adjusting unit further comprises a plurality of floating block frames arranged on the inner walls of the two sides of the pool body in an array mode. The part taking unit comprises a pair of vehicle bodies and is used for pushing the parts on the conveying unit to the part table. Single or multiple mechanical parts of various specifications are transported through buoyancy of water in the pool body, the floating blocks can be increased or decreased according to the total weight of the transported parts, the buoyancy of the transportation unit is adjusted, and the part taking unit is further arranged and can automatically take parts.

The current disclosure provides a method of fabricating a perfluorosulfonated ionomer membrane with a surface having an array of a plurality of fine pillars. The pillars are fabricated by a rapid deformation of the membrane via thermal imprint lithography under appropriate temperatures and pressures. This fabrication process induces the molecular alignment of a polymer in the pillars. As a result, the main chain via C—F and C—C bonds in the pillar is controlled to reduce the proton transport resistance in the pillars. Therefore, the fuel cells utilizing the invented membrane show improved performance under low humidity.

The invention discloses a semi-automatic harvesting and producing line for soilless cultivated vegetables, and relates to the technical field of production of soilless cultivated vegetables. In orderto solve the problem of automatic conveying and removing roots, the semi-automatic harvesting and producing line specially comprises a vegetable planting region and a packing region, wherein the vegetable planting region comprises a field planting plate, a cultivation groove, a cultivation frame, a field planting plate driving wheel and a field planting plate driving line; the packing region comprises a work table, a second roller and a root cutting knife roller; the outer wall of the bottom of the cultivation frame is fixed to the ground; and the cultivation groove comprises a first roller and a nutrient solution groove, wherein the outer wall of the bottom of the nutrient solution groove is fixed to the outer wall of the top of the cultivation frame through bolts, the first roller is arranged on the inner wall of the top of the nutrient solution groove, and the outer wall of the bottom of the field planting plate is placed on the outer wall of the top of the first roller. The root cutting knife roller is arranged, when a root cutting motor is started, a root cutting shaft can be driven by a coupling to rotate to drive the root cutting knife roller to rotate, when the root cuttingknife roller rotates, the roots of mature vegetables on the field planting plate can be cut off, and an automatic rooting effect can be realized.

Provided is a liquid discharging apparatus which includes a discharge portion which can discharge liquid, a medium support portion which can support a medium onto which the liquid is discharged, and a heating portion which can heat the medium supported by the medium support portion. The medium support portion includes a first member which can support the medium and a second member which supports the first member. Thermal diffusivity of the first member is larger than that of the second member and thermal conductivity of the second member is smaller than that of the first member.

The invention discloses a protection type guiding device and system for a flexible transportation part and an installation method of the protection type guiding system. The protection type guiding device comprises a connecting belt, a positioning plate, a guide plate and a supporting rod; one side of the positioning plate is fixed to one side of the connecting belt, and the other side of the positioning plate is provided with a first hinged pipe; one side of the guide plate is fixed to the other side of the connecting belt, the upper edge and the lower edge of the other side of the guide plate are bent towards the guide side to form bracket limiting parts, and the non-guide side of the guide plate is provided with a second hinge pipe; and one end of the supporting rod is hinged to the first hinge pipe, and the other end of the supporting rod is hinged to the second hinge pipe. The device is used for transporting bamboos in a bamboo forest, has the advantages of wide application range, portability, quickness in installation, small transportation resistance, low cost and high efficiency, and can realize small-angle steering and long-distance transportation.

The invention discloses a cloth conveying device. The cloth conveying device comprises an underframe, fixing bases are symmetrically arranged on the two sides on the bottom of the underframe, one endof the underframe is provided with a rotary roller, a rotary shaft penetrates through the center axis of the rotary roller, and the rotary roller is erected on the fixing bases through the rotary shaft. A transfer supporting rack is arranged on one side of the rotary roller, a first lifting device is arranged below transfer supporting rods and fixed to the underframe through a first bolt, a firstsliding rail is fixed to the right side panel of a first fixing plate, and the first sliding rail is connected with a first lifting block through a first slider. In the cloth conveying device, a multi-stage up-and-down transfer way is adopted, space is saved, and the space occupation is low. The diameter of the rotary roller is large, the rotary roller slowly rotates but can make the transfer speed increased; due to the oblique design of a transfer rack, the cloth conveying resistance is reduced, and the cloth is not likely to get stuck. Due to the three lifting devices, the production efficiency is improved.

The invention discloses a large-flow water fuel filling device and a control method. The large-flow water fuel filling device comprises a PLC control system, an oil tank, a plurality of temperature sensors and a steam coil arranged in the oil tank, a fuel filling arm and a plurality of fuel pumps arranged on the fuel filling arm, wherein each temperature sensor is electrically connected with the PLC control system. The large-flow water fuel filling device and the control method have the characteristics that the fuel transport efficiency and the fuel transport safety can be improved.