83results about How to "Increase transport distance" patented technology

The invention relates to the field of carbide slag recycling in calcium carbide method acetylene production, in particular to a method that after physical separation is performed on carbide slag impurities, a calcium hydroxide component in the carbide slag impurities is extracted, and then calcium carbide raw materials are produced through carbide slag. The method for producing the calcium carbide raw materials through the carbide slag mainly comprises the following steps of fresh carbide slag screening; magnetic separating; ore grinding; ore pulp preparing; suspension separating; dewatering; carbon mixing, wherein filter cakes which are obtained after dewatering is performed and contain certain moisture are mixed with carbon material particles of which the particle size is smaller than or equal to 2 mm and the fixed carbon content is larger than or equal to 70% in a mixing machine according to the mass fraction ratio of 1.63:1-2.91:1; granulating and forming; drying; calcining. According to the method for producing the calcium carbide raw materials through the carbide slag, the shortcomings and defects in the prior art can be effectively overcome, reclamation recycling of the carbide slag is achieved, the impurities in the carbide slag can be effectively removed, the technology is simple and convenient, and the economical efficiency and practicability are achieved.

The invention provides a three-dimensional composite current collector and a preparation method thereof. The three-dimensional composite current collector provided by the invention comprises a copper foil base layer and a lithium battery negative electrode lithium-philic material coating coated on the copper foil base layer, wherein the lithium battery negative electrode lithium-philic material coating comprises a plurality of micron-sized three-dimensional spherical structures, and the lithium battery negative electrode lithium-philic material is composed of a carbon material, a lithium-philic metal oxide, a binder and a lithium salt. The preparation method comprises the following steps: firstly, preparing lithium battery negative electrode lithium-philic material slurry, then coating a copper foil base layer with the slurry to form a lithium battery negative electrode lithium-philic material coating, and preparing the lithium battery negative electrode three-dimensional composite current collector. According to the lithium battery negative electrode lithium-philic material, a copper foil is coated with a composite coating with a micron-sized three-dimensional spherical structure, so that the current density of a lithium metal negative electrode can be effectively reduced, the generation of lithium dendrites is effectively relieved and reduced, and the cycle performance and the safety performance of a lithium metal battery are improved.

The present invention generally relates to the field of photovoltaic devices. Specifically, the present invention relates to the areas of dye sensitized solar cells (DSSCs).

The invention discloses an integrated rail-traveling wave-shaped blocking edge and transverse partition plate belt conveyor. The integrated rail-traveling wave-shaped blocking edge and transverse partition plate belt conveyor is composed of a moving rail-traveling head rack, an overall integrated tail rack and a middle rack body. An integrated and modularized mode and an wave-shaped blocking edgeand transverse partition plate conveyor belt are adopted, therefore, disassembling and assembling are convenient, moving is quick, stability and fastness are achieved, large-inclination-angle conveying is achieved, the length and the angle of the rack body are convenient to adjust, and then the subway construction vertical soil digging condition is met. According to the integrated rail-traveling wave-shaped blocking edge and transverse partition plate belt conveyor, disassembling and assembling are convenient, quick moving can be achieved, efficient soil digging can be achieved in an open cutmethod of a subway station, and the integrated rail-traveling wave-shaped blocking edge and transverse partition plate belt conveyor has the great advantages in the aspects of surrounding traffic relief and building and foundation pit deformation control.

The invention discloses a squid living body transportation method which comprises the steps of: (1) starvation, namely, starving a selected adult squid to lead the squid to emptying feces; (2) stimulation for ink jetting, namely, stimulating the squid to jet ink, then putting the squid in a special ink-control chute, and stimulating the squid to jet ink again and separating the jetted ink from the squid; and (3) gas control cooling, namely, putting the squid in an independent plastic packaging bag, charging storage and transportation gas which can reduce vigor of the squid, and then transporting the squid living body after low-salinity-gradient cooling. The invention also provides the special ink control chute used in squid living body transportation. The special ink control chute is provided with a chute body with U-shaped section; two ends of the chute body are open; the bottom surface of the chute body is provided with a drainage structure; and at least one baffle plate which can reduce the sliding speed of the squid is transversely arranged in the chute body. Therefore, the squid living body transportation method and the special ink control chute have little damage to squids, can ease deterioration of transportation water body, have longer transportation period of living body and longer distance, and have convenient implementation.

The invention relates to the technical field of packaging materials, in particular to a degradable antibacterial preservative film product and a preparation method thereof. The degradable antibacterial preservative film product is prepared from the following raw materials in percentage by mass: 45%-75% of an environment-friendly base material, 1%-10%% of a nonmetal photocatalytic material, 0.1%-1%of an anti-oxidant, 2%-9% of a lubricant and 10%-40% of auxiliaries. The degradable antibacterial preservative film product has efficient, broad-spectrum, long-acting and safe antibacterial properties, and facilitates reduction of the use of additives such as the preservative and the like in food and drugs, so that the food and drugs can be stored for a longer time and can be transported further.The degradable antibacterial preservative film product is an environmentally-friendly type material, can be quickly decomposed in a natural environment, is beneficial for ecological environmental protection, reduces pollution and damages to environment, has a wide application prospect, and is widely applied to the packaging and freshness-retaining fields such as food, drugs, fruits and vegetables, fresh food and the like.

The invention provides equipment for improving the live transportation survival rate of edgy fishes. The equipment comprises a tank (1), a plastic cover film (2) matched with the tank (1), and a water purifier (3). The water purifier (3) comprises a water distribution layer (4), an ice cube layer (5), a filter cotton layer (6), an active carbon layer (7), and a water storage layer (8), wherein the above layers are arranged from top to bottom. The lower part of the tank (1) is provided with a water inlet pipe (9) to be connected with the water distribution layer (4) via the water purifier. The upper part of the tank (1) is provided with a provided with a water outlet pipe (10) to be connected with the water storage layer (8) via the water purifier. The water outlet pipe (10) of the water purifier is provided with an airlift pump interface (11). According to the technical scheme of the invention, a water quality purification method for water in transportation facilities is provided for aquaculture practitioners during the transportation process based on the physiological characteristics of saury and shad. In this way, the collision injured risk of fishes when frightened is reduced, and the water quality of the transportation water is improved. Meanwhile, the metabolites of fishes are timely eliminated, so that the stress reactions of edgy fishes, such as saury and shad, are reduced. Moreover, the risk of mechanical traumas and the risk of physiological endogenous injuries during the transportation process are reduced. The live transportation survival rate of fishes is improved. Furthermore, the temporary-rearing or cultivation survival rate of fishes after the transportation process is improved.

A root-irrigation pipe, including a hollow pipe with holes in two terminals, an inside of said pipe is parted into a first side-chamber and a second side-chamber by a separate-wall extending longitudinally. A sidewall of the first side-chamber opposite said separate-wall has an opening extending lengthwise, the separate-wall distributing perforative orifices uniformly lengthwise; a plurality of blocks distributed lengthwise are slidably located between said first side-chamber and the opening, blocking the orifices, a space between the block and the flank of said first side-chamber forming a seeping-cleft with an edge of the opening.

A recording apparatus includes a transport unit that intermittently transports an elongated recording medium from an upstream side to a downstream side as the lengthwise direction of the recording medium moves along a transport path. A recording unit adheres a recording material to the recording medium when the recording medium is stopped in a midstream position of the transport path. A drying unit downstream from the recording unit heats and dries the recording material. A contact member has a contact surface continuous contact with the surface of the recording medium opposite the surface thereof to which the recording material is adhered, from the time when the recording medium enters into the drying unit to the time when the recording medium is discharged from the drying unit. The contact member forms the transport path with the contact surface having at least one bent section in the drying unit.

The invention discloses a preparation method of a mechanical foamed asphalt warm-mixing recycled mixture. The preparation method comprises the following steps: (1) mechanical foamed asphalt preparation; (2) heating a RAP material divided into two grades by a crushing screen to 80-90 DEG C, putting in a mixing cylinder and adding a certain quantity of mechanical foamed asphalt prepared in the step(1) for mixing; (3) adding a new aggregate heated to 160-180 DEG C into a mixing product in the step (2) and simultaneously adding a certain quantity of mechanical foamed asphalt prepared in the step(1) for mixing; (4) adding mineral powder into a mixing product in the step (3) for mixing, and discharging. The preparation method disclosed by the invention has the benefits that the hot asphalt isfoamed by utilizing a nonionic surfactant aqueous solution, so that the foamed asphalt performance is improved, and the warm-mixing effect of the recycled asphalt mixture is improved; meanwhile, a wrapping effect of the foamed asphalt with the old and new aggregates is improved by adopting a process that the RAP and the new aggregate are respectively mixed with the mechanical foamed asphalt.

The invention discloses a low-temperature liquid synthetic welding gas, which is prepared by the following steps of: using liquefied natural gas as a main fuel; adding a high energy fuel with low melting point into the liquefied natural gas, wherein the high energy fuel with low melting point is prepared from ingredients according to the following volume ratio: 5-10% of nbutyl trimethyl methane, 6-12% of ethylbenzene, 18-25% of anhydrous ethanol, 13-21% of ethylene glycol monobutyl ether, 11-18% of butanone, 10-17% of isopentane, 7-15% of ethyl cyclohexane and 2-3.5% of borane; mixing a synthetic mixed liquid with propane C3H8 or tetrahydrothiophene C4H8S according to the proportion of 3-5%; and adding the mixed high energy fuel with low melting point into the liquefied natural gas according to the proportion of 1.5%. Dispersiveness of various fuels is raised, and the fuels can be more uniformly mixed with the liquefied natural gas. The gasification rate of the liquefied natural gas is enhanced by the adoption of high proportion of propane or tetrahydrothiophene, the quality of the fuels is raised, and the effect is obvious.

The invention discloses a rice cleaning and packaging equipment, which consists of a cleaning machine and a packaging machine. A packaging machine is arranged on the left side of the cleaning machine. The packaging machine is fixedly connected in the cleaning machine through bolts. The port is connected to the washing machine by welding. The left side of the washing machine is equipped with a water inlet pipe, which is embedded in the washing machine. The left side of the washing machine is equipped with a drive motor. There is a rice outlet on the lower side, and the rice outlet is embedded in the washing machine. In order to speed up the air flow and drive the evaporation of water, there is an air supply pipe on the side of the drying area, and the outside side of the air supply pipe is provided by a fan, and at the same time, the wind is heated by the electric heating wire at the outlet of the drying area, so as to speed up the drying process. The purpose of the internal air flow can also increase the air temperature, which solves the problem that the air in the traditional device does not circulate during drying, and the moisture in the air is not easy to evaporate.

The invention discloses a coal mine goaf long-distance slurry filling and conveying system comprising a slurry preparation system, a slurry storage tank and a self-washing system. A slurry outlet of the slurry preparation system communicates with a slurry inlet of the slurry storage tank. A slurry outlet of the slurry storage tank leads to a filling working face through a slurry conveying pump anda filling pipeline. The filling pipeline and the slurry inlet of the slurry storage tank communicate through the self-washing system by means of a washing pipeline. By means of the coal mine goaf long-distance slurry filling and conveying system, long-distance large-carrying-capacity filling and coal mine depletion green mining are achieved, and meanwhile the coal mine goaf long-distance slurry filling and conveying system can be widely applied to the industries of metallurgical mines and the like. The invention further discloses a coal mine goaf long-distance slurry filling and conveying method.

The invention discloses an electrodeless car unit chain multi-point driving belt type conveyor and a chain tensioning method. The conveyor comprises a bearing machine frame, a machine head driving device, a multi-point driving transmission mechanism and a bearing rail used for bearing the operation of the multi-point driving transmission mechanism; the bearing rail, the machine head driving device and the multi-point driving transmission mechanism are arranged on the bearing machine frame; a conveyor belt of the conveyor is driven by an electrodeless closed annular car unit chain; and the car unit chain is driven by a multi-point chain wheel, so that the maximum tension of the chain is reduced, and the tension of each chain segment of the car unit chain is ensured by adopting a segmented tensioning mode. The maximum tension of the chain is effectively reduced by the drive of the multi-point chain wheel, so that the stress of the machine frame during turning is improved, the carrying capacity of the chain and the conveying distance of the conveyor are improved, and the method is suitable for the development direction of large transport capacity and long transport distance of the conveyor; and the segmented tensioning method is adopted, so that the required tension of the car unit chain can be obtained, the tensioning adjusting amount of a machine tail is small, and the method is suitable for installing, adjusting and testing and maintaining of the long-distance conveyor.

The invention discloses a warm-mixed rubberized asphalt mixture and a preparation method thereof. The warm-mixed rubberized asphalt mixture comprises rubberized asphalt, aggregates, mineral powder and a warm-mixed agent; the warm-mixed agent is inorganic aluminosilicate with moisture content of 18-23%; and through taking the weight part of the rubberized asphalt as one part, the warm-mixed rubberized asphalt mixture comprises 10-20 parts of aggregates, 0.15-1 part of mineral powder and 0.02-0.08 part of warm-mixed agent. Meanwhile, the invention also discloses a preparation method of the warm-mixed rubberized asphalt mixture; and in the method, the adding sequence, control temperature and mixing time of each material are described in detail. The warm-mixed rubberized asphalt mixture disclosed by the invention effectively reduces the mixing temperature of the rubberized asphalt, solves the problem that a rubberized asphalt mixture is uneasy to compact, reduces the consumption of fuel and the emission of harmful gas, reduces the damages on the environment and the health hazards on the construction personnel, and facilitates the stored production.

The invention discloses a method for increasing the survival rate of adults of live oreochromis niloticus. The hormone level, the alexin level and the hepatic antioxidant adaptive capacity can be improved within a short time by increasing breeding density and performing tensioning net stress, and nonspecific immunity is improved. The contents of protein, glucose and triglyceride in blood of the oreochromis niloticus can be increased by feeding feedstuff with high protein level of 36%-39% before the oreochromis niloticus is conveyed, and energy reserve is improved. Moreover, 0.5%-0.8% of compound heartleaf houttuynia herb is added in the feedstuff and contains herba houttuyniae, scutellaria baicalensis, radix isatidis, fructus forsythiae, honeysuckle and the like, and the anti-stress capability of the oreochromis niloticus can be improved. In a conveying process, the water temperature is controlled in a range of 19-23 DEG C, the salinity of water is 8%o-12%o, and dissolved oxygen is sufficient. The metabolic activity of the oreochromis niloticus is low, but the immunity of the oreochromis niloticus is high, so that energy loss in the conveying process is reduced, excretion of metabolin is reduced, and the anti-stress capability is improved. After the oreochromis niloticus is treated by using the method, the survival rate of the adults of the live oreochromis niloticus and the live oreochromis niloticus conveying distance are obviously improved during conveyance.

The invention discloses an adjuvant for animal vaccines, and a preparation method and application thereof. The adjuvant for animal vaccines comprises the following raw materials by volume: 75 to 90% of low-density mineral oil, 1 to 10% of octyl and decyl glycerate and Span-80, 0.5 to 5% of glycerin and polyglycerol isostearate and 1 to 10% of polyethylene glycol-12-hydroxystearate-15, Tween-80 and propylene glycol, wherein the amount of Tween-80 is in a range of 0 to 5%. The preparation method comprises the following steps: weighing the low-density mineral oil; then adding octyl and decyl glycerate, Span-80, glycerin, polyglycerol isostearate, 1 to 10% of polyethylene glycol-12-hydroxystearate-15, Tween-80 and propylene glycol; and carrying out mixing and standing. The adjuvant provided by the invention has safety, stability and self-emulsifying performance, has low sensitivity to temperature in the process of emulsification, can form a water-in-oil-in-water spatial structure, and is extensively applicable to preparation of animal vaccines.

The invention discloses a double-layer mixing device, which comprises a front bracket, a rear bracket and a large mixing tank. The inner wall of the large mixing tank is provided with a pair of large helical mixing blades, a small mixing tank is fixedly arranged in the large mixing tank and is coaxial with the large mixing tank, the inner wall of the small mixing tank is provided with a pair of small helical mixing blades, the small mixing tank is at least provided with a communication hole, the rotational direction of the large helical mixing blades is opposite to the rotational direction of the small helical mixing blades, and a clearance is arranged between the large helical mixing blades and the outer surface of the small mixing tank. Materials are pushed into different directions respectively in the large mixing tank and the small mixing tank and respectively move in a circulating way in the large mixing tank and the small mixing tank, thereby effectively ensuring that the materials can be fully mixed. Due to mixing in the circulating way, the problem of non-uniformity of mixing can be solved completely. Since a clearance is arranged between the outer surface of the small mixing tank and the large helical mixing blades, the blockage and stoppage of materials can be avoided effectively.

The invention discloses living coilia ectenes storage and transportation equipment and a storage and transportation method thereof, and relates to equipment capable of being used for transporting living coilia ectenes for a long distance and a storage and transportation method of the equipment. The living coilia ectenes storage and transportation equipment is provided with a round storage and transportation barrel, wherein the inner wall of the storage and transportation barrel is provided with a flexible buffer layer, so that head and internal organ injury caused by collision of the head of the coilia ectenes with the inner wall under an emergency condition can be avoided; the storage and transportation barrel is in a round shape; compared with a rectangular or polygonal storage and transportation barrel, the round storage and transportation barrel does not have a corner, so that irritability further increased due to extrusion among the a plurality of coilia ectenes when the coilia ectenes gathers at the corner position in the swinging process can be avoided; and a sound isolation layer is wrapped on the outer wall of the storage and transportation barrel, and is used for reducingexternal noise transmitted into the storage and transportation barrel, so that the irritability generated by the coilia ectenes is prevented. A barrel cover is arranged above the storage and transportation barrel, and is made of a non-transparent material; in the coilia ectenes transportation process, the storage and transportation barrel needs to be covered by the barrel cover to reduce the influence of light irradiation on the coilia ectenes; and the barrel cover is tightly fixed to the storage and transportation barrel through screw threads or hasps.

The invention discloses a two-span continuous-construction steel-mixed composite bridge construction method adopting a back rope type bridge erecting machine. The steps are as follows: 1, steel beam units are prefabricated; 2, the bridge erecting machine is made to travel to first and second span positions of a main bridge, and the front, middle and rear legs of the bridge erecting machine is madeto stand on pier bent caps respectively; 3, steel beams of the first span are hoisted to be in place, the middle legs are adjusted to reserve erecting space, and steel beams of the second span are hoisted to be in place; 4, the steel beams of the first and second span are longitudinally welded; 5, prefabricated panels of the first and second spans are installed and the positions of the middle legs are adjusted again; 6, the steel beams of the two spans are simultaneously pulled; 7 longitudinal and transverse wet joint concrete of the panels of the first and second spans are continuously cast;and 8 construction is carried out according to the two-span continuous construction in the second to seventh steps until the completion of the completion of the bridge. The method of the invention can greatly improve the construction progress of steel-mixed composite bridges, and can also improve the stress state of the composite structures. The method shows a new concept of the steel-mixed composite bridge construction method, and has a wide application prospect in the long and large span steel-mixed composite bridges.

The invention discloses a synchronous self-moving transshipment transportation system. The synchronous self-moving transshipment transportation system comprises a discharging mechanism, a plurality offixed racks which are laid in a roadway, a walking mechanism, a tail extension mechanism, a material receiving mechanism, a conveying belt, a driving mechanism, a belt storage bin and a tensioning adjusting mechanism, wherein the discharging mechanism is arranged at an opening of the roadway and used for discharging outwards, the walking mechanism is arranged at the inner end of the roadway and synchronously moves with tunneling equipment, the tail extension mechanism is arranged on the outer end face of the walking mechanism and is used for laying a plurality of movable racks in a dismountable manner, the material receiving mechanism is arranged on the inner end face of the walking mechanism and used for receiving mining materials of the tunneling equipment, the conveying belt is wound on all the fixed racks and the movable racks, the driving mechanism is arranged in the roadway and used for driving the conveying belt to run, the belt storage bin is arranged in the roadway and used for storing the conveying belt with the preset length, and the tensioning adjusting mechanism is arranged in the roadway and used for adjusting the tensioning state of the conveying belt when the movable racks are disassembled and assembled. According to the synchronous self-moving transshipment transportation system, the continuous coal mining and transportation operation in the roadway can be realized, the shutdown waiting time is saved, and the operation efficiency is improved.

The invention discloses a warm-mixing SBS (styrene-butadiene-styrene) modified asphalt mixture which comprises the following ingredients in parts by weight: 1 part of SBS modified asphalt, 11-36 parts of aggregate, 0.5-1.5 parts of mineral powder and 0.02-0.04 parts of an organic warm-mixing agent, wherein the organic warm-mixing agent is EC-120. Moreover, the invention discloses a preparation method of the warm-mixing SBS modified asphalt mixture. In the invention, on a basis of maintaining the basic performance of the asphalt mixture, the construction temperature is remarkably reduced, the construction peaceability is improved, the energy consumption in construction is reduced, the emission of harmful gas is reduced, and the destruction to the environment and the damage to the health of constructors are reduced.

The invention relates to the field of logistics transportation equipment, and discloses an eight-rotor type unmanned aerial vehicle for logistics transportation, the eight-rotor type unmanned aerial vehicle comprises a vehicle body, eight rotor cross shafts which are symmetrically distributed are arranged in the outer side of the vehicle body, a rotor mechanism is arranged at the farthest end of each rotor cross shaft, and positioning rods are fixedly connected to the middles of the two symmetrical rotor cross shafts on the vehicle body. The eight-rotor type unmanned aerial vehicle for logistics transportation is provided; an upper wing plate and a lower wing plate which can rotate at the same time are arranged at the top and the bottom of the logistics box. When the rotor wing unmanned aerial vehicle flies forwards, airflow acting in the reverse direction acts on the upper wing plate, the logistics box and the lower wing plate; according to the rotor wing unmanned aerial vehicle, theupper wing plate and the lower wing plate are arranged, so that airflow passing through the upper wing plate and airflow passing through the lower wing plate form up-down pressure difference, upward buoyancy is provided for the whole logistics box, the farthest transportation distance of the rotor wing unmanned aerial vehicle is increased, heavier expresses can be conveniently transported at a time, the express transportation efficiency is improved, and energy consumption of the unmanned aerial vehicle is reduced.