40results about How to "Mix evenly and stably" patented technology

The invention provides a method for preparing a material special for polybutylene terephthalate (PBT) optical fiber loose tubes. The method comprises the following steps of: uniformly mixing a solid additive required by the production of the PBT optical fiber loose tubes and 1,4-butanediol, conveying and metering by using a gear pump, adding into a slurry preparation tank in a proportion, allowing the obtained slurry and slurry which is prepared from 1,4-butanediol and terephthalic acid to enter an esterification reaction kettle, and thus obtaining a PBT base material for optical fiber loose tubes by a direct esterification and continuous condensation production technology; and ensuring that the PBT base material continuously enters a solid-phase system through metering, preheating and crystallizing, entering a solid-phase reactor for tackification at the temperature of 170 to 210 DEG C for 15 to 20 hours, cooling a product obtained after tackification, dedusting, conveying, and packaging to obtain the material special for the PBT optical fiber loose tubes. By the method, a color value of the product can be effectively controlled, the special additive is uniformly mixed in the product, the PBT product for the optical fiber loose tubes has relatively stable quality, and the high-speed development tendency of the machining process of the loose tubes is met.

The invention discloses an ozone immunity regulating device, comprising a case, an ozone generating device and a disposable in vitro qi and blood mixing pipe installation; the ozone generating device is arranged in the case; the ozone generating device is connected with the disposable in vitro qi and blood mixing pipe installation; the case is provided with an electric control device; the case panel is provided with an electromagnetic valve assembly that is used for controlling conduction or non-conduction of the disposable in vitro qi and blood mixing pipe installation; the ozone generating device and the electromagnetic valve assembly are both electrically connected with the electric control device. The device not only avoids cross infection caused by blood leakage in therapeutic process and foam generation when qi and blood are mixed, but also has convenient operation, thus greatly reducing the labor intensity of medical staff.

The invention relates to an opposed type solid particle spraying distributor online coke cleaning device. The device main solves the problem in the prior art of the hard removing of coke accumulated in gas cooler tubes. The device includes a solid particle storage tank, an ammonia oxidation reaction gas cooler, a solid particle unloading device, a solid particle spraying distributor and gas-solidseparators; the ammonia oxidation reaction gas cooler includes a hollow upper head and a heat exchange section distributed with the tubes; the upper part of the heat exchange section is provided witha protection plate; the solid particle spraying distributor is placed in the upper head along an axial direction; a solid particle distributor is arranged in an opposed manner at least by more than two nozzles which are in opposed arrangement or inclined at a certain angle; the inlet of inert gas communicates with the solid particle spraying distributor after being parallel with the outlet of thesolid particle storage tank; and the outlet of the cooler is provided with at least one gas-solid separator to recycle solid particles. Thus, the problem can be well solved, so that the device can beused for online coke removing industrial devices.

The invention provides a robotic assembly line for powder dispensing. The robotic assembly line for powder dispensing comprises a rotary platform used for holding a mother liquid bag, a powder bottleloading device used for pushing and arranging a powder bottle, a manipulator suction device used for taking medical liquid from the mother liquid bag and injecting the medical liquid into the powder bottle, a solution bottle flow steering device used for grabbing the powder bottle and cooperatively completing the injection of the medical liquid, a solution bottle swing mixing device used for receiving an original solution bottle and completing the mixing of powder and the medical liquid, a solution bottle transfer device used for grabbing and transporting the solution bottle after mixing, a solution bottle turning device used for receiving and turning over the solution bottle after mixing, and a manipulator injection device for pumping a solution from the solution bottle after mixing and injecting the solution into the mother liquid bag. The robotic assembly line for powder dispensing provided can realize automatic dispensing, allow manual operation without contacting drugs, prevent drug contamination and avoid harm to operators, the prepared solution is evenly mixed and stable, and the multi-dose dispensing efficiency is high.

The invention discloses a novel biomass pellet fuel and a preparation method thereof, which belong to the technical field of a solid fuel. The fuel comprises the following raw materials: modified charcoal, red phosphorus powder, ferrocene, carboxymethylcellulose sodium, potassium hydroxide, magnesium oxide, alumina, sodium bicarbonate, combustion-supporting fiber, an oxidizing agent, a sulfur fixing agent, and an organic auxiliary agent. The preparation method is characterized by mixing the raw materials. The biomass pellet fuel preparation has the advantages of simple process, low cost, environmental protection, convenient carrying and transporting, large calorific value generated by combustion, and high combustion efficiency.

The invention relates to machines in the textile industry, in particular to a cotton mixing machine. The cotton mixing machine comprises a cotton mixing chamber, cotton inlets and a cotton outlet, wherein the cotton inlets and the cotton outlet are formed in the cotton mixing chamber. The top and the bottom of the cotton mixing chamber are respectively provided with an air jetting groove, and each air jetting groove is provided with an air jetting hole. The cotton inlets comprise the upper cotton inlet and the lower cotton inlet, wherein the upper cotton inlet is close to the top of the cotton mixing chamber, the lower cotton inlet is close to the bottom of the cotton mixing chamber, and an air suction fan is connected between each cotton inlet and the cotton mixing chamber. After the structure is adopted, cotton products of different densities can be evenly mixed, production efficiency is improved, and production quality is guaranteed.

The invention discloses a planetary mixed extrusion molding device. The planetary mixed extrusion molding device comprises a stirring cylinder, a driving mechanism, a sun screw rod arranged in the stirring cylinder and a plurality of planetary screw rods, wherein a nozzle is arranged at the lower end of the stirring cylinder, and a feeding opening is formed in the outer side wall of the stirring cylinder; the sun screw rod is arranged in the middle portion of the stirring cylinder, and all the planetary screw rods and the sun screw rod are arranged in parallel; and the driving mechanism drives the sun screw rod to rotate around the axis of the sun screw rod, and the driving mechanism further drives all the planetary screw rods to revolve around the axis of the sun screw rod and rotate around the rotating axis of the planetary screw rods. The planetary mixed extrusion molding device adopts a planetary gear set, and stirring and extruding are carried out at the same time, so that it is guaranteed that slurry is evenly and stably mixed inside the stirring cylinder.

The invention relates to a paddy field weeding granule containing penoxsulam, mefenacet and bensulfuron methyl as well as a preparation method and application of the paddy field weeding granule. The granule comprises a A-phase component, a B-phase component and a C-phase component, wherein the A-phase component comprises 70%-95% of a granule carrier, the B-phase component comprises 0.1%-30% of functional mother powder containing three active ingredients, namely penoxsulam, mefenacet and bensulfuron methyl, and the C-phase component contains 1%-40% of a coalescing agent; and the coalescing agent comprises a binder, an inducer and a warning color. The paddy field weeding granule containing penoxsulam, mefenacet and bensulfuron methyl is scientific and reasonable in design, is prepared by a coating film forming method, is good in film forming, glossy, good in wear resistance, free of caking, falling and dust, high in safety, capable of being separately spread, capable of being mixed witha fertilizer to be spread, convenient, rapid, easy to operate and capable of reducing labor.

The invention discloses a low-resistance internal mixing type gas nucleus atomization oil gun aims at achieving the technical purposes that oil mist mixing is uniform and combustion is complete, and belongs to the technical field of fuel oil atomization. The atomization oil gun comprises an oil gun shell and a mixing core arranged on the inner side of the tail of the oil gun shell. A fuel oil channel is arranged on the inner side of a center barrel at the tail end of the mixing core. An automation medium channel is arranged between the outer side of the center barrel and the inner side face of the oil gun shell. The front end of the fuel oil channel is provided with a blind hole. The wall of the blind hole is provided with multiple radial oil spraying holes. The inner side face on the top of the blind hole is provided with a first conical flow guide device. Multiple automation medium spraying holes are formed in the outward-convex face of the shoulder of the mixing core and located at the front end of the atomization medium channel. An oil-gas mixing chamber in the middle of an inner cavity of the oil gun shell is of a Venturi structure, the top of the front end of the oil-gas mixing chamber is provided with a second conical flow guide device, and the inclined face of a cone frustum of the front end of the oil gun shell is provided with secondary atomization spraying holes. The low-resistance internal mixing type gas nucleus atomization oil gun has the advantages that the mixing core and the oil-gas mixing chamber are provided with flow guide parts correspondingly, oil mist mixing is uniform and combustion is complete under the rectification effect of a Venturi pipe of the oil-gas mixing chamber, and the low-resistance internal mixing type gas nucleus atomization oil gun is suitable for combusting various kinds of oil.

The invention provides a preparation method of a potassium-sodium niobate-barium zirconate-sodium bismuth titanate lead-free piezoelectric film with a vertical phase boundary. A chemical solution deposition technique is adopted; a KNN-BZ-BNT precursor solution is spin-coated and deposited on a substrate; a compact and crack-free single layer crystal film is obtained by heat treatment. A KNN-BZ-BNT film with the thickness of 0.4 to 2 mu. m is obtained after a spin-coating-heat treatment technique is repeated for multiple times. Through modification of a polymer polyethylene pyrrolidone and/or Mn(2+) and Co(2+) or Fe(2+) and the like, the electrical properties, especially ferroelectric and piezoelectric properties, of the KNN-BZ-BNT film are improved.

The invention relates to an aerosol type rubber conveyer belt releasing agent, a preparation method thereof and a spraying system thereof. The aerosol type rubber conveyer belt releasing agent is prepared from the raw materials including, by weight part, 20-30 parts of high-viscosity silicone oil, 2-3 parts of fluorinated surfactant, 2-3 parts of glycerin, 6-8 parts of low-viscosity silicone oil,20-40 parts of ethyl alcohol, 1-2 parts of Span-80, 20-30 parts of HFO-1234ze and 50-60 parts of hydrofluoroalkane 134a. The aerosol type rubber conveyer belt releasing agent has the advantages of being low in consumption, good in chemical stability, high in lubricating property and the like, thereby being applicable to rubber conveyer belt production. Correspondingly the invention also provides the preparation method of the aerosol type rubber conveyer belt releasing agent. Besides, the invention also provides the aerosol type rubber conveyer belt releasing agent spraying system for sprayingthe aerosol type rubber conveyer belt releasing agent onto the upper and lower curing plates on a curing press.

The invention relates to the technical field of high-pressure homogenizing emulsification equipment, in particular to an emulsifying cavity device for the high-pressure homogenizing emulsification equipment and a method for the emulsifying cavity device. The emulsifying cavity device comprises a hydraulic plunger pump, a feed cup, a check valve, a pressure gauge, a heat exchanger and a discharge hole, and is characterized in that the hydraulic plunger pump is connected with a main pipeline of the equipment; one end of a tap of the main pipeline is connected with a funnel discharging hole of the funnel-shaped feed cup by the check valve, and the other end of the main pipeline is connected with a feeding hole of a Y-shaped spray cavity structure; the pressure gauge is arranged at one end of the tap of the main pipeline between the Y-shaped spray cavity structure and the check valve; a discharge hole of the Y-shaped spray cavity structure is connected with a feed opening of the heat exchanger by a pipeline; a discharge hole is formed at the other end of the heat exchanger; and a water inlet and a water outlet for a heat supply exchange medium are formed on the heat exchanger. The emulsifying cavity device is novel in structure, and two liquid flows of materials collide with each other at an intersection by utilizing the specific Y-shaped spray cavity structure, so that the grain diameters of the materials are reduced, and the materials are mixed uniformly and stably.

The invention relates to the technical field of fluid distribution, and discloses a flow dividing element which comprises an element body. A plurality of flow dividing through holes are distributed on the element body; the porosity of the element body is 60 percent to 78 percent; and the included angle between the axis of each flow dividing through hole and the normal of the plane where the flow dividing through hole is located is 0 degree to 15 degrees. By controlling the porosity of the flow dividing through holes and setting the forming directions of the flow dividing through holes, a better flow mixing effect can be achieved on fluid, and the fluid flowing through the flow dividing through holes can be evenly and stably mixed; the fluid distributor comprising the flow dividing element is uniform in liquid distribution, so that good uniformity and stability are achieved, and the uniformity and the stability of the fluid distributor can be even superior to the uniformity and the stability of an existing venturi distributor; and furthermore, a heat exchanger adopting the fluid distributor is uniform in flow distribution, and the energy efficiency is improved. Meanwhile, the flow dividing element provided by the embodiment of the invention is simple in structure, easy to machine and form and low in machining cost. The invention further discloses the fluid distributor.

The invention provides a movable mobile phase control system with a double gradient adjustment function, and a treatment method and an application of the control system. The system comprises a controlcomponent, an injection pump group, gradient mixers and introduction valves. The mobile phase control system is suitable as a mobile phase system of an analysis and characterization instrument in a biological material study to simulate a complicated solid-liquid interface environment and is applied to the field of interface analysis, characterization and detection.

The invention discloses a hydraulic engineering ecological slope protection brick and a preparation method thereof, the hydraulic engineering ecological slope protection brick comprises a slope protection plate and an ecological plate, the slope protection plate is used for being laid in an area where water and soil loss is prone to occurring and bearing the ecological plate, the ecological plate is arranged on the upper portion of the slope protection plate, the ecological plate is provided with a base body beneficial to growth and development of plant seeds, and the plant seeds are sown on the ecological plate. Through holes are formed in the slope protection plates and the ecological plates, and ropes can penetrate through the through holes to connect the multiple ecological slope protection bricks. Hydraulic engineering slope protection and ecological vegetation are combined, the water retaining and moisture preventing functions of the base slope protection are achieved, green vegetation is formed on the cement base material, the durability of the slope protection is improved, resources are saved, the construction period is shortened, meanwhile, safety and reliability of the slope protection are guaranteed, and therefore the purposes of environmental protection and cost reduction are achieved.