34results about How to "Realize batch continuous production" patented technology

The invention discloses a bidirectional spiral electrostatic spinning device, and relates to an electrostatic spinning device. The bidirectional spiral electrostatic spinning device is provided with bidirectional threaded guide rods, liquid storage sliders, vertical slide bars, guide rails, a framework, a controllable injection device, a liquid guide pipe, a liquid distributing device, a high-voltage power source, air pumps, pressure regulating valves, air guide pipes, partition plates, motors, driven belt pulleys, driving belt pulleys, V-shaped belts, air hole arrays and collecting devices. The bidirectional spiral electrostatic spinning device has the advantages that large-area and multi-jet injection effects can be realized by the aid of the bidirectional threaded guide rods, so that the electrostatic spinning efficiency further can be improved, phenomena of electrostatic interference among spinning jets and electric field concentration can be reduced, uniform distribution of nano-fibers on collecting plates can be promoted, the thickness uniformity of collected nano-fiber membranes can be improved, the quality of the nano-fiber membranes can be enhanced, the multiple jets can be assuredly stably and quickly injected, and large-area uniform nano-membranes can be collected; the bidirectional spiral electrostatic spinning device is applicable to injection devices with different bidirectional threaded guide rods and different thread shapes, and the lengths, the quantities and the shapes of the bidirectional threaded guide rods of the injection devices can be different from one another.

The invention relates to a method for preparing a covalent organic framework material by high-pressure homogenization. According to the synthesis method, at normal temperature and normal pressure, a common organic ligand is used as a raw material, water or an organic reagent is used as a solvent and a template agent, organic acid and inorganic acid are used as catalysts, and the corresponding COFs are obtained by homogenizing for a certain time through a high-pressure homogenizer. The method comprises the following steps of: adding 2, 4, 6-trihydroxy-1, 3, 5-benzenetricarboxaldehyde and p-phenylenediamine into a beaker, adding a proper amount of water and acetic acid, uniformly mixing, adding the mixture into a high-pressure homogenizer, and homogenizing for a certain time; and carrying out suction filtration on the product powder after the homogenizing reaction, recycling the filtrate, washing the product powder, and carrying out vacuum drying to obtain the covalent organic framework material HPH-Tp-Pa-1. Compared with other COFs preparation methods, the method provided by the invention has the advantages of continuous reaction, simple operation, low cost, high yield, environmental protection, energy saving, short reaction time and the like, has the potential of large-scale production, and can greatly promote the industrial production process of the COFs material.

The invention provides a gasoline engine exhaust valve seat and a preparing method thereof and belongs to the technical field of powder metallurgy. The preparing method improves the high-temperature performance and the stability of the gasoline engine exhaust valve seat by adding alloy elements such as chromium, molybdenum and vanadium, the wearing resistance of the exhaust valve seat by adding WC and TiC which serve as the hard phase and the heat dissipation performance of the exhaust valve seat by adding Cu and comprises the steps of powder mixing, pressing, sintering and thermal treatment to prepare the gasoline engine exhaust valve. The preparing method of the gasoline engine exhaust valve seat is low in energy source consumption and cost; the gasoline engine exhaust valve seat is fine and uniform in microstructure and can be added with various high-melting-point alloy elements and hard phase granules conveniently to achieve excellent wearing-resistant, high-temperature and stability performance; besides, the preparation method of the gasoline engine exhaust valve seat is high in operating stability, strong in repeatability and capable of achieving continuous batch production of high-performance gasoline engine exhaust valve seats.

The invention discloses a preparation method of high-strength regenerated polyamide 66 fibers. The method comprises the following steps of by taking polyamide 66 waste silk as a raw material, performing two-stage melting to obtain a polymer mixture; then performing filtering through a filter screen, extruding, cooling, curing and cutting to obtain regenerated polyamide 66 slices; sequentially performing drying, humidifying-tackifying, vibration screening and re-heating melting on the obtained slices to obtain a molten regenerated polyamide 66 polymer; and then performing mixing, filtering by a spinning assembly, spinning by a spinneret plate and cooling, oiling cooled tows, homogenizing tow oil films, performing drafting and setting, and finally performing winding and forming to obtain the high-strength regenerated polyamide 66 fibers. Through the improvement of multiple technical characteristics, the strength of the prepared regenerated polyamide 66 fibers reaches 7.5-9.5 g/d. According to the invention, the batch continuous production of the high-strength regenerated polyamide 66 fibers is realized, the batch performance of the fibers is uniform and stable, and the blank of a production technology of the high-strength regenerated polyamide 66 fibers in China is filled.

The invention relates to a berry tea frying machine. The berry tea frying machine comprises a feeding hopper, a pot, a heating element and a tea discharging port, wherein the feeding port is arranged above the head portion of the pot, the tea discharging port is formed under the tail portion of the pot, and the heating element is arranged at the bottom of the pot; the inside of the pot is provided with a spindle and a rubbing and scattering mechanism, and the scattering mechanism is composed of a rubbing plate, a scattering rod, a sweeping plate and stirring nails; the spindle is driven by a spindle driving motor and a belt mechanism, the rubbing plate, the scattering rod and the sweeping plate are sequentially arranged on the spindle, the stirring nails are vertically arranged onto the inner wall of the pot, the rubbing plate is in an arc shape, the scattering rod is provided with scattering nails, and the scattering nails and the stirring nails are arranged in a staggered mode. The invention also discloses a new production process. The new production process is composed of the steps of washing, airing, frying, pile fermentation, stirring, drying, flavoring and the like, obtains continuity and achieves mass continuous production, and due to the fact of being close to manual production processes, can obtain high-quality berry tea and high economic value after technical parameters are set.

The invention provides a method for preparing a sealing pad of a solid oxide fuel cell and a recovery and utilization method of waste materials generated in the method. Powder of sealing materials are subjected to ball grinding and mixing after being matched with dispersing agents, bonding agents, plasticizing agents and solvents, casting and drying are carried out after the screen net filtering and the vacuum defoamation, blanks are cut according to the overall dimension requirement of the sealing pad, multiple layers are stacked and aligned, then, PET (polyethylene terephthalate) films and stainless steel plates are sequentially padded at two sides, the materials are filled into a plastic package bag for vacuum pumping and plastic package and are then placed on a hot pressing machine for hot pressing, and the materials are taken out to be cut into the sealing pad in specified sizes. Waste materials after cutting are collected, are subjected to ball grinding and mixing after being matched with the solvents and can be continuously used for preparing the sealing pad.

The invention provides a <89>SrCl2 solution production device, and solves the problem that strontium carbonate powders obtained after irradiation are obtained, dissolved, filtered and separated in a target tube, and thus the specific process of the obtained strontium chloride solution cannot realize efficient and simple batch production. The production device comprises a target tube breaking and dissolving device (2) for target breaking and in-target powder dissolving, a filter device (3) for filtering dissolved liquid, a separation bottle (5) connected with the filter device (3), an air extraction connector (4) connected with the filter device (3) and the separation bottle (5), and a water pump (10) communicated with the air extraction connector (4). A liquid inlet of the filter device (3) is communicated to the bottom end of the target tube breaking and dissolving device (2) through a transmission pipeline (6). The <89>SrCl2 solution production device has the advantages of being fast to operate, simple and efficient; the production device is convenient to clean after production; liquid waste can be discharged immediately, thereby reducing the risk of radiation pollution; and the device is compact in structure, is simple and efficient, and is suitable for continuous production.

The invention discloses rodlike aggregate for lightweight castable and a preparation method of the rodlike aggregate for lightweight castable. The preparation method includes: subjecting Guangxi whiteclay, a binding agent and a water reducing agent to dry mixing, then adding water, and mixing to obtain mixed paste; using a vacuum extruder to extrude the obtained mixed paste under conditions thatthe pressure is 1-2MPa, the vacuum degree ranges from -0.085MPa to -0.095MPa, and the temperature during extrusion is 15-25 DEG C so as to obtain a rodlike aggregate blank with the basic diameter being 0.6-3mm; drying and baking to obtain the rodlike aggregate for lightweight castable. By the preparation method, early-stage large-quantity mould preparation and continuous mould replacement processes are avoided, production cost is greatly reduced, production efficiency is increased by 3-5 times as compared with previous production efficiency, continuous automatic production is realized, low cost, low energy consumption and high efficiency are realized, and continuous batch production and high social and economic benefits are realized.

The invention discloses a large-wire-diameter magnetic ring wire hooking device. The device comprises a supporting frame (1), a stroke cylinder (4), a cylinder flange (3), wire hooks (2), V-shaped wire hooking baffles (8), fixed cylinders (7) and friction wheels (6), wherein the stroke cylinder is fixed to the middle of the supporting frame through the cylinder flange, the wire hooks are detachably connected to the two ends of the stroke cylinder, the V-shaped wire hooking baffles are fixed to the two ends of the supporting frame respectively, the friction wheels are arrayed on the V-shaped wire hooking baffles in an inverted triangle mode, the fixed cylinders are installed on the V-shaped wire hooking baffles, the two friction wheels located above the V-shaped wire hooking baffles are fixedly connected with the V-shaped wire hooking baffles, and the friction wheels located below the V-shaped wire hooking baffles are connected with piston rods of the fixed cylinders. The large-wire-diameter magnetic ring wire hooking device has the advantages of being capable of being massively and continuously produced and being used for winding large-wire-diameter magnetic ring coils, and high in efficiency.