66results about How to "Strong flow" patented technology

The invention discloses a concrete mixture for a PHC (Prestressed High-strength Concrete) pipe pile. The concrete mixture comprises the following raw materials: 400-520kg / m<3> of cementing material, 120-145kg / m<3> of water, 675-870kg / m<3> of sand, 1050-1110kg / m<3> of gravel and a polycarboxylate water reducing agent, wherein the usage amount of the polycarboxylate water reducing agent by mass is 1.0-1.5% the mass of the cementing material, and the cementing material is prepared from the following ingredients in percentage by mass: 80-95% of cement and 5-20% of mineral admixture. According to the concrete mixture, after centrifugal molding, the concrete mixture can be over 80MPa only through normal-pressure steam curing and short-time natural curing and can be over 85 MPa through 28-day natural curing, a high-pressure steam curing process is not needed, the production cycle is shortened, and approximately 70% of the consumption of standard combustion coal for the production of every one meter of the pipe pile can be reduced.

An ink tank includes a stirrer supported in a freely moveable manner near an inner wall of an ink storage chamber. When the stirrer moves closest to the inner wall, a predetermined gap is formed between opposing surfaces of the inner wall and the stirrer.

A ballast-water treating apparatus that improves the performance of an in-line mixer so as to be able to sterilize a large volume of ballast water within a short period of time. There is provided a ballast-water treating apparatus that includes pipelines for feeding water to a ship's ballast tank(s) and for draining water from the ballast tank(s), ballast pumps on the pipelines, an ozone generator or hydrogen peroxide generator, a gas / liquid injection pipe for introducing generated ozone or hydrogen peroxide into the pipelines; and an in-line mixer that has two blades disposed crosswise in a tubular part composed of a main tubular part, a subsidiary tubular part that has an inside diameter smaller than that of the main tubular part and that is furnished with multiple projections, and a tapered part. The ballast-water treating apparatus can simultaneously carry out mechanical destructive sterilization via a swirling flow and sterilization of chemically active substances by micromixing.

The invention relates to an irrigation method of a closed-loop group flow drop irrigation, preparation and fertilization system, a nutrient liquid preparation method and a fertilization method. The system is divided into an irrigation subsystem, a nutrition liquid preparation subsystem and a control subsystem and is composed of an impounding reservoir, a water division pump, a water source transportation pipeline, a water injection pipeline, a stored nutrient liquid output pipeline, a nutrient liquid storage tank, a nutrient liquid transportation pipeline, a nutrient liquid mother solution storage tank, an acid / base solution storage tank, a self-priming pump, a main controller, a main transportation pipeline, a branch pipe pipeline, a capillary pipeline, a supporting and positioning fixture, a flow stabilizer, a closed-loop group flow drop irrigation pipeline and water droppers, wherein the water source transportation pipeline is connected with the water injection pipeline and the main transportation pipeline; the main transportation pipeline is provided with the branch pipe pipeline; the branch pipe pipeline is provided with the capillary pipeline; the capillary pipeline is provided with the closed-loop group flow drop irrigation pipeline; and the closed-loop group flow drop irrigation pipeline is provided with the water droppers, and one water dropper is arranged on each drop irrigation point. The system disclosed by the invention is scientific in design, reasonable in structure and easy and simple to operate, and has the characteristics of remarkable property, strong function, low price and obvious benefits.

The invention relates to a shape of a combustion chamber for a direct-injection diesel engine, in which a mixture in, particularly, an expansion stroke is promoted by optimally designing the shape of the combustion chamber, and further, the compatibility between PM reduction and NOx reduction can be achieved by improving a retardation limit and speeding up combustion at a high EGR. The inside of a combustion chamber 12 formed at a top of a piston is formed in such a manner that a vertically cross-sectional shape passing a center axis O2 inside of the combustion chamber is symmetric with respect to the center axis. Furthermore, an opening 18 at an upper end of the combustion chamber 12 is formed into a substantially polygonal shape in combination of round portions 21 and straight portions 22.

An electrostatic dust collector includes a dust charging section and a dust collecting section. The dust charging section includes: a discharge electrode which is made up of a plurality of paralleled discharge wires, and a counter-electrode which is made up of a metal honeycomb net. The dust collecting section includes: positive metal electrodes and negative metal electrodes disposed alternately, and insulating spacers disposed between each of positive metal electrode and negative metal electrode.

A scalding apparatus for poultry includes an overhead conveyor for moving poultry, suspended by their legs, through an immersion tank filled with scald water. A filtering device and pumping unit can be used to withdraw the scald water, clean the scald water, and reintroduce the scald water to the tank. Upwardly directed nozzles, located in the bottom of the tank, provided a stream of scald water directed up and over the poultry. A reversing guide may be provided for redirecting the scald water downwards to the poultry. The immersion tank may be divided into chambers.

Electrophoretic displays use motion of particles through a fluid to generate images. This invention describes the use of concerted motion of particles together with the solvent to generate optical switching.

The invention relates to the technical field of battery packs, and discloses an efficient heat dissipation type battery pack structure. The structure comprises a box body, wherein the inner wall of the box body is fixedly connected with a heat conduction plate, the inner wall of the heat conduction plate is provided with a plurality of guide devices, the inner wall of the box body is provided with a plurality of protection devices, each guide device is arranged on the right side of the corresponding protection device, and the left side of heat conduction plate is fixedly connected with a sleeve. According to the invention, heat emitted by a battery can be absorbed by the sleeve and transmitted to the heat conduction plate, and the heat conduction plate is in contact with wind outside the box body so as to realize heat radiation; meanwhile, rainwater can be collected in the top cover through a water inlet hole in the top cover in rainy days; evaporation heat absorption can be performed under the irradiation of the sun and the heating of the battery, so the battery can be cooled; and air can directly enter the box body through the air inlet in the box body to dissipate heat of the battery, and the heat of a battery pack can be efficiently dissipated.

An ink tank includes a tank case and a stirrer. The proximal end of the stirrer is supported by the inner surface of the tank case in a pivotal manner. When the stirrer moves close to the inner surface of the ink tank, the stirrer is substantially parallel to the inner surface. The stirrer includes a through-hole in the vicinity of the proximal end thereof.

The invention provides a continuously cast blank homogenization method and device. According to the method, a pulse harmonic wave magnetic field coil is arranged at the position below a continuous casting machine crystallizer, and a continuous harmonic wave magnetic field coil is arranged at the tail end of a continuous casting machine; and in the continuous casting production process, firstly, when a continuously cast blank passes through the pulse harmonic wave magnetic field coil, a large number of primary crystal nucleus are formed through the action of a pulse harmonic wave magnetic field, and then, when the continuously cast blank passes through the continuous harmonic wave magnetic field coil, under the action of the violent stirring by a continuous harmonic wave magnetic field, thelarge number of crystal nucleus are uniformly dispersed in a melt through the action of a flow field, so that the continuously cast blank with a homogenized solidification structure is obtained. Themethod and the device are used for semi-continuous casting and continuous casting production in the metallurgical industry, and are suitable for homogenization of the solidification structures of various metal materials.

An exhaust gas heat exchanger includes a tube through which exhaust gas flows, a fin disposed in the tube, and protruded tabs protruded from the tube or the fin. Each of the protruded tabs is inclined to an upstream side, and has a polygonal shape more than a quadrilateral shape having at least a bottom side, one lateral side and another lateral side. An angle of the one lateral side to the bottom side is set smaller than 90 degrees and than an angle of the other lateral side to the bottom side. The bottom side is placed to intersect with a perpendicular direction to the exhaust gas flow direction, and the other lateral side is located upstream from the one lateral side. According to the exhaust gas heat exchanger, it is possible to improve heat exchange efficiency by generating a swirl flow for facilitating heat transfer effectively.