1726 results about "Feeding mode" patented technology

The present invention belongs to the field of hollow material preparing technology, and is especially the preparation process of hollow ball of inorganic matter, metal, organic matter and composite structure with hollow polymer ball as template. The present invention prepares composite hollow ball through combining hollow polymer ball template with sol-gel, deposition reaction, oxidation-reduction process and through forced interface process or surface deposition process; and obtain hollow ball of inorganic matter, metal and organic matter through high temperature sintering or selective solvent extraction to eliminate template polymer. The control of hollow ball structure and size and the compounding of several kinds of matters may be realized through controlling reactant activity, material feeding mode, reactant concentration and circulating reaction process. The hollow ball has excellent dispersivity, high strength and size stability. The present invention also relates to the application of these hollow structure materials.

The invention discloses a continuous biomass low-temperature pyrolytic charring method and a charring furnace thereof, belonging to the fields of biomass charring and biomass energy source utilization. The furnace body of the charring furnace adopts a screw propelling feed mode, and the power is derived from the drive of a motor; an external heating cylinder is sheathed outside an internal heating cylinder of the furnace body, the internal cylinder and the external cylinder are spaced, and the internal flue inside the sleeve has a labyrinth path to ensure heat supply from hot flue gas to pyrolytic reaction to uniformly heat a biomass raw material; and during charring, the generated flue gas supplies heat to a reaction cylinder after combustion in a combustion chamber, and the hot flue gas enters a heat exchanger device to dry the raw material after flowing through the sleeve. Through screw propelling, the method disclosed by the invention realizes continuous low-temperature pyrolytic charring reaction, and realizes accuracy control of the retention time of the biomass inside the charring furnace; and the furnace body adopts a sleeve structure, which fully utilizes the afterheat of the charring flue gas, and the reaction cylinder adopts interior heating and outer wall heating together, which enhances the uniformity characteristic of the temperature inside the reaction cylinder and prolongs the service life of an auger shaft.

One kind of short range nitrifying-anaerobic aminoxidizing sequencing batch type denitrifying biomembrane mode and plant is disclosed. The limited aerating mode with real-time control of the sewage temperature inside the reactor and high frequency alternation between aeration and anaeration can inhibit the growth of nitrite oxidizing bacteria and denitrifying bacteria so that the aminoxidizing bacteria and the anaerobic aminoxidizing bacteria become the dominant bacteria in the nitrifying and denitrifying stages. In the nitrifying stage, nitrification is stopped in the nitrite step; and in the denitrifying stage, ammonia nitrogen acts as the direct electron donor to reduce nitrite. The plant is provided with fixed spherical composite stuffing with spherical shell of polypropylene and filled inside biological composite material. Sectional discrete water feeding mode is adopted to feed the sewage to be treated in four stages into the reactor.

A sending mode and the sending device automatically for the blood cell analysis instrument are to convert the tube to send the sample. The auto sending sample device includes the tube pushing device, the mixing device, the scan device and puncturing device. The tube pushing device is connected to the mixing device, the scan device and puncturing device. It will combine the mixing equip and scan device into one mixing scan device. The invention makes tube blood mix under the situation that the tube doesn't escape from a tube, and have good mixing efficient. But the blood collecting can be completed under the situation that the tube doesn't escape from a work. So it makes the puncturing sample more convenient and simple. It can further shorten the blood sample entering time, have operation more simple, the equipments are more cleverly made and the manufacturing cost is cheaper and higher automation degree.

The invention relates to a polycarboxylic acid water reducing agent, a preparation method and an application thereof, and belongs to the technical field of concrete additives. The polycarboxylic acid water reducing agent is prepared by using industrializedly produced isobutenol polyether or isoamylenol polyether with relatively good performances as a monomer A, unsaturated carboxylic acid, unsaturated acid anhydride or unsaturated ester as a monomer B and unsaturated sulfonic acid and salts thereof as a monomer C, according to a water reducing agent functional group theory and a polycarboxylic acid water reducing agent molecule design theory; and co-polymerizing the monomer A, B and C. A polycarboxylic acid water reducing agent product is obtained in a water solution via a one-step method, under initiation of a redox initiation system, by introducing carboxyls or ester groups having the functions of delayed coagulation and slump resistance, and the sulfonic acid groups having high water reducing effect into the molecular structure of the water reducing agent and controlling a material ratio and material-feeding modes. Besides, cost can be further reduced by selecting a proper redox system to make the polymerization carried out at a low temperature. The method is suitable for industrialize production.

The invention discloses an intensive pig farm weanling pig feed and belongs to the field of feeds. The feed is composed of a milk replacer, a weanling feed and a piglet feed. According to the feed, a feed product suitable for different growth phases of a weanling pig are provided according to growth and development characteristics of the different growth phases of the weanling pig so as to promote the development of an intestinal system of the weanling pig and effectively solve the stress reaction appearing in a weaning process of the weanling pig; meanwhile, the utilization rate of the feed is high, the growth speed of the weanling pig can be accelerated, the immunity of the weanling pig can be enhanced and the foundation is laid for the rapid growth of a fattening period. Furthermore, the invention further provides a feeding mode of the feed, namely 6kg of the milk replacer is fed from the 7th day after the weanling pig is born to a 42-45-day age of the weanling pig; 20kg of the weanling feed is fed from the 42-45-day age to a 66-70-day age of the weanling pig; 40kg of the piglet feed is fed from the 66-70-day age to a 94-100-day age. The mode is scientific and reasonable, simple and efficient.

The invention belongs to the field of materials with a hollow structure, in particular to a method for preparing double-layer hollow spheres and hollow spheres with multi-layer compound structures by using a template method. The invention prepares the compound hollow sphere by taking a polymer hollow sphere as a template and combining sol-gel, settlement reaction and redox process through the method of forcing interface or surface settlement, removes the template polymer through high sintering or selective extraction of a solvent to obtain the hollow spheres of minerals, metals and organic matters. The structure and the size of the hollow sphere can be controlled through controlling the reagent activity, the feeding mode, the reagent concentration and a circulation reaction method; besides, compounding of various matters can be realized; the hollow sphere of the invention not only has good dispersing performance, but also has excellent strength and size stability. The invention relates to the application of the materials with a hollow structure.

The invention relates to the field of distributing and mixing devices, in particular to an intermittent feeding and distributing device for the animal husbandry. A feeding base assembly is fixedly connected to the left end of a discharging plate assembly. The left end of a base is fixedly connected with two supporting plates. The left end of the discharging plate assembly is fixedly connected to the two supporting plates. An intermittent pushing plate is slidingly connected to the discharging plate assembly. The upper end of the intermittent pushing plate is attached to the feeding base assembly. The discharging plate assembly is in meshing and transmission connection with a power device. The power device is fixedly connected to the base. The defects that at present, feed is artificially mixed and mixing is not uniform, so livestock feeding nutrients are not balanced, lots of labor is consumed and the work efficiency is low are overcome; the various-feed intermittent feeding and distributing device which is free of artificial mixing, even in mixing and high in work efficiency is provided, and by means of the low-quantity and high-frequency feeding mode, it is ensured that materialscan be evenly stirred after being fed.

The invention discloses a full-biodegradable polylactic acid composite material and a preparation method thereof. The composite material comprises the following components in parts by weight: 40-93 parts of polylactic acid, 5-40 parts of flexibilizer, 1-10 parts of plasticizer, 1-30 parts of vegetable fibre, 0.1-2 parts of antioxygen and 0.1-1 part of silane coupling agent. In the invention, the vegetable fibre composite polylactic acid is modified, which can enhance the mechanical property and the heat resistance of the polylactic acid material, and moreover, the polylactic acid material can be fully degraded, and the raw materials of the polylactic acid material are renewable and abundant; a lateral feed mode is applied to the fiber, therefore, the damage of a screw to the fibre is smaller, the strengthening and toughening effects of the fibre are better. Polydiethylene glycol sebacate (PBS), grafted with a polylactic acid copolymer, serves as the flexibilizer, which not only greatly improves the compatibility of the PBS and the polylactic acid but also can improve the toughness and the heat resistance of the composite material.

The invention provides a feed system of a 3D printing apparatus. The feed system is especially suitable for chocolate feeding, and two feed modes comprising a pneumatic mode and a piston mode can be selected by the system. The feed system comprises: a material storage tank; a heater arranged on the material storage tank to heat a material (8) in the material storage tank to the molten state; a gas jet cooler arranged at the material outlet (15) of the material storage tank to cool a printing model; and a material discharge driving device connected with the material storage tank to drive the molten material to be discharged from the material storage tank. The feed system of the 3D printing apparatus widens the application field of 3D printing. The invention also provides the 3D printing apparatus.

In an uninterruptible power supply system, control sections of three uninterruptible power supply units are connected to one another by communication cables to configure one integrated control unit. The integrated control unit brings three switches into conduction if a bias feeding mode is selected by one arbitrary operation section and brings three switches into conduction if an inverter feeding mode is selected. Therefore, there is no need to separately provide an operation section and a control section for operating and controlling all of the uninterruptible power supply units.

Image forming methods and apparatuses capable of performing stable and fast sheet transfer operations are provided. In a continuous feed mode, a preceding sheet and a succeeding sheet are successively fed from a sheet tray through first and second transfer rollers to an image forming position. When it is determined that a trailing edge of the preceding sheet has passed the first transfer roller, the driving of the first transfer roller is stopped for a predetermined time period. As a result, the preceding sheet and the succeeding sheet are transferred with a desired sheet interval while suppressing sheet interval variations.

The invention relates to a vertical coupled structure applied to a millimeter-wave microstrip antenna. The vertical coupled structure comprises microstrip patch antennae, a bottom-layer medium chip substrate, a substrate cavity forming structure, a grounding plate with a gap, a top-layer chip substrate and a coplanar waveguide adapter microstrip feeder line. The microstrip patch antennae are arranged on the bottom sides of the bottom-layer medium chip substrate and the top-layer chip substrate. The substrate cavity forming structure is formed by forming a cavity in the bottom-layer medium chip substrate. The coupling caliber of the gap is located between a bottom-layer medium chip and a top-layer chip. The coplanar waveguide adapter microstrip feeder line is arranged on the upper surface of the top-layer chip substrate. The interlayer vertical interconnection problem of the antenna and a radio-frequency circuit when working frequency is within a millimeter-wave frequency range can be solved by means of the vertical coupled structure. The vertical coupled structure has the advantages of being free of weld points and parasitic radiation and capable of obtaining an even radiation pattern, overcoming the adverse influence brought by a traditional single feed mode and design limitations and the like.

The invention discloses a polypropylene nano composite material with low density, high rigidity and high heat resistance and a preparation method thereof. The polypropylene nano composite material with the low density, high rigidity and high heat resistance consists of the following raw materials in percentage by weight: 70 to 98 percent of polypropylene, 1 to 15 percent of organic clay, 0.1 to 10 percent of compatilizer, 0.2 to 2 percent of stabilizer, and 0 to 5 percent of other additives. The composite material has the advantages that: 1, the nano-scale organic clay is used as a filler to enhance the polypropylene matrix, and the rigidity and the heat resistance of the material can be remarkably improved by adding a little amount of nano filler; 2, compared with the conventional filler enhanced polypropylene, the polypropylene nano composite material obviously reduces the density of the material, and workpieces applied to automobiles and other related industries are favorable for lightening the weight of products and for reducing energy consumption; and 3, by adopting a sectional feeding mode, the dispersion effect and material performance of the nano-scale filler in the polymer matrix are further improved based on the conventional process.

The invention belongs to catalyst technique field, concretely relates to a preparation method of catalyst for copper-zinc-aluminum gas phase aldehyde hydrogenation and product thereof, which solves the problems in existing technique that the preparation process of aldehyde hydrogenation catalyst is complex, repeatability is bad, catalyst crystal-size is heterogeneous, dispersion degree of active copper is not high, mechanical strength is small, selectivity to product is bad, especially when rising reactive temperature to enhancing reactive speed and heat energy efficiency, activity, selectivity and stability are bad. The method modifies the intermittent feeding mode to continuous feeding mode by step continuous coprecipitation method, specific surface and pore volume of catalyst is large, dispersion degree of active metal is high, catalytic activity is good, selective and stability have more improvement, and side reaction of esterification and etherification is reduced.

The invention discloses a copper alloy laser-cold metal transition compound heat source material increase manufacturing method. The method comprises the steps that laser and a cold metal transition arc are adopted as a compound heat source, copper alloy welding wires are molten for bead welding, and copper alloy products are formed by stacking bead welding layers one by one. According to the copper alloy laser-cold metal transition compound heat source material increase manufacturing method, due to the effective coupling of the laser and the CMT electric arc, the problem that mucous threads, top threads and layers are not completely fused during laser material increase manufacturing in a copper alloy wire feeding mode is solved, meanwhile, the defects that the heat source moving speed is low and the heat affected zone is wide during TIG arc material increase manufacturing are overcome, the compound heat source is high in moving speed, the welding process is stable, forming is good, the quality is high, the machining efficiency is remarkably improved, and the technological reliability is improved; in addition, due to the fact that the laser is not used for melting welding wires and the laser absorptivity of copper alloy is improved when the arc is preheated, the requirement of the technology for the laser power is lowered.

Novel polybed VPSA process and system to achieve enhanced O₂ recovery are disclosed. The VPSA process comprises using three or more adsorber beds; providing a continuous feed supply gas using a single feed blower to one bed, wherein at any instant during the process, two beds are in an evacuation step and only one bed is in a feed mode; and purging the adsorber beds using two purge gases of different purity. The VPSA cycle may further comprise utilizing a storage device (e.g., a packed or empty equalization tank) to capture void gases during co-current depressurization step of the VPSA cycle, which is used at a later stage for purging and repressurization of the bed. In addition, the VPSA process employs a single feed compressor and two vacuum pumps at 100% utilization. Furthermore, the use of the storage device minimizes the use of product quality gas for purging. About 10-20% improvement in O₂ productivity is realized in the new VPSA process.

A method for synchronous powder-feeding space laser cladding and three-dimensional forming includes: dividing a three-dimensional solid into a plurality of forming units according to a form simplification and nozzle cladding scanning accessibility principle, and dividing each forming unit into a plurality of layers; employing a single-beam gas-carried power-feeding mode in a hollow annular laser; controlling a mechanical arm (7) to drive an in-laser powder-feeding nozzle (1) to move and scan along a predetermined trajectory in a filling area and a boundary area of the layer; and sequentially conducting cladding and stacking formation of the layer for the entire unit. A device includes an inside-laser powder-feeding nozzle (1), a laser generator (6), a mechanical arm (7), a control module (4), a transmission optical fiber (5), a gas-carried powder feeder (3) and a gas source (2).

The invention belongs to the fuel supply of fuel equipment and in particular relates to a combustion furnace with full-automatic feed and a hearth fuel feed device, and a fuel can be combusted from top to bottom in the combustion furnace. The hearth fuel feed device provided by the invention comprises a rectilinear translation bedplate, a feed barrel, a translation device, a feed device and a control device, wherein the translation device comprises a translation motor, a translation variator, a translation position switch, a connecting device and a rectilinear and rotary translation device; the feed device comprises a fuel pallet hoisting mechanism, a feed motor, a feed variator, a feed position switch. a connecting device and a rectilinear and rotary translation feed device; and the control device comprises a translation position switch and a feed position switch control circuit. The combustion furnace provided by the invention comprises a burner part, a furnace body part and the hearth fuel feed device. According to the invention, a moving supply and propulsion feed mode is adopted and continuous and uninterrupted addition of the fuel is realized through circulated supply and continuous propulsion, thereby meeting continuous and long-time requirements for applying fire.

A lubricating pack specifically designed for paper shredders, including a piece of oiled paper saturated with lubricant placed between an upper and a lower plastic sheets or films that are subsequently fused around their peripheries to form a lubricating pack having a laminating construction. The lubricating pack is fed into the paper shredder through a paper inlet to the paper shredder under paper-feeding mode to be shredded by the paper shredder. Accordingly, the cutting blades of the paper shredder would be able to contact the lubricant contained in the oiled paper during the process of shredding the lubricating pack, so as to provide lubrication to cutting blades of the paper shredder thereby extending the lifespan of the paper shredder.

A document paper size detection method and apparatus, in a facsimile device, having a plurality of sensor cells forming a charge-coupled device (CCD) sensor module which is repositioned according to a determination by a CPU as to whether the facsimile is to be operated in a book scanning mode or a sheet feeding mode. In the book scanning mode the CCD sensor module is move to a scan starting position and the scanning operation is performed. In the sheet feeding mode the CCD sensor module is moved to a location for detecting an optical sensor reflecting unit, and based upon an optical alignment of one of the plurality of sensor cells with the optical sensor reflecting unit, a size of the sheet of paper to be scanned in the sheet feeding mode is calculated. The CCD sensor module is then moved to a scanning location for scanning the sheet of paper and the sheet of paper is automatically fed past this scanning location.

The invention discloses an in-groove type helical milling method. The in-groove type helical milling method comprises the following steps of 1, extracting an in-groove type drive wire, dispersing the drive wire into base discrete points, axially offsetting the base discrete points to a top surface of a groove along a cutter so that top discrete points are formed, selecting a cutting feed point, setting an arc-shape cutting feed mode, and carrying out axial and reverse offsetting along the cutter based on the top discrete points according to a helical angle and an axial cutting depth so that a first layer of the discrete points are formed and a first layer of cutter location points are formed further, 2, axially, reversely and orderly offsetting the first layer of cutter location points layer by layer to a penultimate layer along the cutter according to the axial cutting depth so that a middle layer of cutter location points are formed, and 3, setting a helical angle of a last layer of cutter location points to zero degree so that the last layer of cutter location points are formed, setting an arc-shape cutter retracting mode, setting a cutter-axis vector of each one of the cutter location points, and connecting the all cutter location points to obtain an integral milling track of in-groove type helical milling. The in-groove type helical milling method can reduce frequency of cutter retracting, improve cutting stability and improve surface processing quality and processing efficiency.

The invention discloses a base station antenna that is applied to an international mobile telecommunication-advanced (IMT-Advanced) system of a fourth generation wireless mobile communication system. The antenna unit employs a mode of multi-layer microstrip paster antenna and a basic structure of the antenna comprises a metal reflecting plate, a microstrip feeding layer, two radiating layers and a plurality of nylon insulating columns. The greatest innovation of the invention lies in an ultrabroad band characteristic of the antenna; a novel arrowhead coupling feeding groove and a double-layer radiation patch are employed; and a bandwidth can reach 49.5% on the condition that a standing-wave ratio is less than 1.5. On the basis of a reasonable design of a reflecting plate, a half-power lobe width of the antenna is a value caused by adding 6 degrees to 65 degrees or by subtracting 6 degrees from 65 degrees in a whole working frequency band range; and a convergence degree of a wave beam of the antenna has a good performance. According to the invention, a corner feeding mode is employed to carry out feeding and a dual polarization with plus/minus 45 degrees is realized on the condition that it is avoided that a radiation patch is rotated by 45 degrees, so that it is beneficial to reduce a whole length of an antenna array after arrangement of the array. On the basis of the basic structure that is based on the technical scheme of the invention, other concrete embodiments of the invention can be constructed only by reasonably changing a size of a radiation patch, a shape of a slotted floor and spaces between all layers.