112results about How to "Help flow" patented technology

A preparation method of a large-size and fine-grain molybdenum tantalum alloy sputtering target material comprises steps of cold isostatic pressing molding through combination of a steel mold with a rubber plate, sintering, levelling and reshaping, hot isostatic pressing treatment, rolling and machining. The grain size of the produced target material is smaller than 50 microns, the change of the grain size is maintained within 20%, and grains are evenly distributed in the plane direction and the thickness direction of the target material; the relative density of the target material is higher than 97%; besides, the large-size sputtering target material with the length being about 2 m and the width being about 1.3 m can be produced.

The invention provides a scale type micro-fluidic chip for quantitative immediate diagnosis and a preparation method of the scale type micro-fluidic chip. The scale type micro-fluidic chip comprises micro-reaction chambers and micro-channels, wherein the micro-reaction chambers have sample feeding holes and sample discharging holes, openings at one ends of the micro-channels are communicated to external environments, and indicating liquid is locally encapsulated in the micro-channels; scale marks and corresponding numerical values are arranged outside the micro-channels to facilitate the quantitative reading of a detection result, the other ends of the micro-channels are communicated with the micro-reaction chambers through buffer tanks to form complete independent working units, and meanwhile, multiple working units can be arrayed on a chip to realize multichannel detection. The scale type micro-fluidic chip has the advantages of no complex instruments, convenience in carrying, low cost, simplicity and convenience in operation, easiness in reading, multi-target detection, little use amount of sample, sensitivity and the like and can be widely applied to biochemical analysis fields including medical diagnosis, food security, environmental pollution and the like.

The invention relates to a chemical machinery device, and particularly relates to a compound kettle type reactor. The compound kettle type reactor comprises a stirrer arranged in an inner container, wherein the stirrer comprises a stirring paddle and a stirring shaft which are connected with each other; the stirring shaft is driven by a motor arranged on a kettle body; the stirring paddle comprises an inner sleeve, a hollow straight cylinder and an outer stirring cylinder; the upper end opening of the outer stirring cylinder is integrally connected with the lower end opening of the hollow straight cylinder; the lower end opening of the outer stirring cylinder is a flaring; the inner sleeve is arranged in the outer stirring cylinder; the lower end of the stirring shaft penetrates through the hollow straight cylinder internally, and is fixedly connected with the upper end of the inner sleeve; the upper end opening of the hollow straight cylinder is in interference fit with the stirring shaft; the lower end opening of the inner sleeve is also a flaring, and a clearance with an equal interval is left between the inner sleeve and the outer stirring cylinder; the upper end of the hollow straight cylinder is provided with a drainage hole leading to the clearance. According to the chemical machinery device, the defect of mixing nonuniformity in the prior art is overcome, and the invention provides a stirring reaction kettle which can be used for enabling a reaction liquid to flow in the height direction by mechanical stirring so as to improve the uniform mixing of a reactant.

The invention relates to a digestive tract liquid biopsy sampling device for internal medicine, and belongs to the field of medical treatment. The device includes a needle tube, needle tube with cap,push rod with cap, push rod with first piston, needle tube with connecting tube, a second one-way valve is arranged on the connecting pipe; the connecting pipe is provided with a cover plate, the cover plate is provided with a liquid accumulation barrel; the needle tube is provided with an intermediate tube, the intermediate pipe is provided with a first one-way valve, the intermediate pipe is provided with a straight pipe, the straight pipe is provided with a T-shaped push rod, the T-shaped push rod is provided with a reset structure; and the reset structure is connected with a blocking cylinder. The blocking cylinder is provided with a sleeve, the sleeve is in threaded connection with the middle pipe; through holes are formed in the blocking cylinder and the sleeve; the T-shaped push rodin the straight pipe moves upwards; the T-shaped push rod drives a connecting rope of the reset structure to move; the connecting rope drives the blocking cylinder to move through the straight rod, drives the solid part of the blocking cylinder to move to the through hole of the sleeve to block the through hole of the sleeve, and conveniently blocks the through hole part of the sleeve after sampling, so that liquid at other parts cannot enter the sampling device when the sleeve moves, the sampling correctness is ensured, and the inspection is more accurate.

The invention discloses a refractory low-carbon magnesium carbon brick, which belongs to the technical field of refractory materials. The refractory low-carbon magnesium carbon brick is prepared fromgradation fused magnesite, graphitizing carbon, kyanite, metal powder, thermosetting resin, a curing agent, a co-solvent, isocyanate and calcium hydrogen carbonate, wherein the graphitizing carbon adopts rice husk as a raw material and is obtained by soaking, freezing, grinding, drying, carbonizing and graphitizing the rice husk, the metal powder is prepared from aluminum powder and iron powder, the co-solvent is prepared from boron oxide, borax and sodium carbonate, and various components are uniformly mixed, poured into a mold, pressed, molded, roasted, cured, and discharged, thus obtainingthe refractory blanket magnesium carbon brick. The refractory low-carbon magnesium carbon brick prepared by the technical scheme of the invention has the characteristics of excellent slag erosion resistance and thermal shock resistance.

The invention relates to the field of starch liquefying processing, and discloses a liquid return device, starch spraying and stewing equipment and a starch liquefying device and method. The liquid return device includes an inner pipe and an outer pipe which are in sealed communication, wherein the inner pipe includes a stretch-in segment arranged inside the outer pipe; a radial gap exists betweenthe outer pipe and the stretch-in segment; a liquid return pipe communicated with the radial gap is arranged on the portion, corresponding to the stretch-in segment, of the outer pipe and can be usedfor introducing first liquid into the radial gap, so that after entering the radial gap, the first liquid is injected into the outer pipe against the inner wall of the outer pipe. Return liquid can flow against the inner wall of the outer pipe, starch paste with high viscosity is transported to enter a subsequent liquefying process, starch is efficiently liquefied, and energy consumption is reduced.

The invention relates to a traditional Chinese medicinal composition for treating pelvic inflammatory diseases and a preparation method of the traditional Chinese medicinal composition. The traditional Chinese medicine is prepared from the following raw materials in parts by weight: herba patriniae, cortex phellodendri, herba taraxaci, fructus forsythia, radix paeoniae rubra, honeysuckle flowers, radix salviae miltiorrhizae, radix angelicae sinensis, flos carthami, peach kernel, rhizoma curcumae, rhizoma sparganii, spina gleditsiae, rhizoma smilacis glabrae, flos chrysanthemi indici, fructus cnidii, cortex dictamni, coix seeds, caulis spatholobi, herba leonuri, radix rubiae and liquorice root. The traditional Chinese medicinal composition provided by the invention has functions of clearing heat and diminishing inflammation, promoting blood circulation and removing stasis; and the entire prescription is strong in efficacy, and the prescription is conducive to circulation of pelvic blood and dredging of meridians and beneficial for improvement of metabolism and enhancement of an immunity function, so that purposes of diminishing inflammation and curing the diseases are achieved.

The invention discloses deep roadway prestress full-anchor supporting construction equipment and a construction method thereof. The deep roadway prestress full-anchor supporting construction equipmentcomprises an anchor bolt for being inserted into a roadway anchor hole, an injection machine for providing primary grout and secondary grout for the anchor bolt, and a pressure maintaining pipeline for being connected with the anchor bolt and the injection machine. The anchor hole is provided with an inner end and an outer end opposite to the inner end, the anchor bolt is coaxially inserted intothe anchor hole, and the anchor bolt is provided with a first end and a second end opposite to the first end. After the anchor bolt is coaxially inserted into the anchor hole, the first end is locatedat the inner end, and the second end is located at the outer end. An injection clearance exists between the periphery of the anchor bolt and the anchor bolt, and the injection clearance at the innerend of the anchor holt is used for allowing the first grout to be injected into, so that the first end of the anchor bolt is anchored; and the injection clearance at the other positions of the anchorhole is used for allowing the secondary grout to be injected into, so that the anchor bolt is anchored in the whole length direction. And a layered grouting manner is adopted, so that the more than 90% of the clearance in the anchor holt is filled with the grout, the compactness is high, and whole-length anchoring of the anchor bolt is achieved.

The invention relates to a feeding device, in particular to a pig feed feeding device with a cooling function for pig raising in animal husbandry. The pig feed feeding device with a cooling function for pig raising in animal husbandry aims at achieving the technical purposes that pig feed can be rapidly cooled and a feed trough can be conveniently cleaned. According to the technical scheme, the pig feed feeding device with a cooling function for pig raising in animal husbandry comprises a mounting plate, a sliding rail, sliding blocks, a feed trough, a handle and the like; the sliding rail isarranged on the right side of the top of the mounting plate, and the sliding blocks are symmetrically and slidably arranged left and right on the left side of the top of the sliding rail. The feed trough can be conveniently cleaned; the feed trough can move left and right under the effect of a first gear and a rack, and then it can be avoided that pig feed accumulates at a certain position when falling into the feed trough; water is sprayed out through a sprayer to flush the feed trough, timely cleaning of the feed trough is beneficial to the healthy development of pigs and prevents pigs' infection caused by bacteria breeding in the feed trough, and thus workers do not need to cool pig feed by holding a stick in hands.

The invention relates to a non-oxide porous diaphragm material for high-temperature batteries. The non-oxide porous diaphragm material for high-temperature batteries comprises TiB2, ZrB2, SiC, ZrC, TiC, BN, AlN, Si3N4, TiN or porous carbon, and the average particle diameter is 2 mu m. The preparation method of the material comprises the following step: carrying out normal-pressure sintering, hot pressed sintering or field-assisted sintering independently on the raw materials of the non-oxide porous diaphragm material or the combination of the raw materials of the non-oxide porous diaphragm material and raw materials of a diaphragm fixing material, thereby obtaining the non-oxide porous diaphragm material. The non-oxide porous diaphragm material provided by the invention has the advantages of stable performance, simple preparation method, low cost and the like, can effectively prevent short-circuiting and enhance the circulation efficiency and number, and can easily implement industrialization.

The invention discloses a joint method of an aluminum pipe fitting and a steel shaft end fitting, wherein the method comprises the following steps: a steel shaft end fitting is processed and molded, wherein the steel shaft end fitting is axially divided into at least two sections of cylinders by a step, the outer diameter of the first section of the cylinder is slightly less than the inner diameter of a hollow aluminum pipe fitting, and the outer diameter of the second section of the cylinder is slightly greater than the outer diameter of the hollow aluminum pipe fitting; the end surface peripheral part of the connection of the second section of the cylinder and the first section of the cylinder is provided with a reducing thin wall in a protruding mode, and the inner diameter of the reducing thin wall increases gradually towards the direction of the first section of the cylinder. A joint fitting of the aluminum pipe fitting and the steel shaft end fitting, which is molded by adopting the method provided by the invention, not only forms plane shallow joint on the end surface of the aluminum pipe fitting and the end surface of the steel shaft end fitting, but also tight match also exists in the joint part of the aluminum pipe fitting and the steel shaft end fitting, thus the joint intensity is creased, and the joint fitting has a firm joint effect.

The invention provides an air door bridge. The two ends of the air door bridge are provided with mechanisms matched with two air doors; the top surfaces of the air door bridge are provided with grooves which are matched with air door rocker arms; and symmetric axes of the grooves intersect with each other relative to a connecting line between the mechanisms, but are not vertical to each other. The invention further provides a top camshaft engine adopting the air door bridge. Due to the adoption of the air door bridge, the height of the engine can be further reduced, and miniaturization of the engine is realized.

The invention discloses a crucible cover plate for polycrystalline silicon ingot casting. The crucible cover plate comprises a cover plate body; first transitional arc surfaces are formed between the side surfaces of the cover plate body and the upper surface of the cover plate body; second transitional arc surfaces are formed between the side surfaces of the cover plate body and the lower surface of the cover plate body. The crucible cover plate has the advantages of simple structure, high thermal shock resistance, long service life, and high product quality.

The invention relates to a heat radiating device for a ferrite switch. The heat radiating device comprises heat radiating plates, an air duct cover plate and a fan, wherein the heat radiating plates are positioned at the outer walls of both sides of the ferrite switch; the air duct cover plate is arranged at the outer side of each heat radiating plate and is of an U-shaped structure; the fan is connected with the lower end of an opening at the bottom part of the air duct cover plate; a cavity is formed between the air duct cover plate and the lower end surface of the outer wall of the bottom part of the ferrite switch. The heat radiating device has the advantage that the heat of the high-power ferrite switch can be effectively radiated by implementing the heat radiating device.

The invention discloses an industrial sewage microfiltration device which comprises a sewage filtration chamber and a power mechanism; the power mechanism is arranged in the center of the top of the sewage filtration chamber; crushing devices are arranged on the two corresponding sides of the top of the inner wall of the sewage filtration chamber; a sewage input pipe is arranged on one side of the top of the surface of each crushing device and located in the sewage filtration chamber; a filtering device is arranged in the sewage filtration chamber and located at the surface position; a connecting spring is arranged at the bottom of the filtering device and close to the top end; and a conical micro-filtering net is fixed to the inner wall of the sewagefiltration chamber, and the bottom end of the conical micro-filtering net extends to the outside of the sewage filtration chamber. The invention relates to the techncial field of sewage treatment equipment. According to the industrial sewage microfiltration device, the rapid filtration effect is achieved, and large-particle impurities can be treated, so that the impact on equipment is reduced, the blockage condition is reduced, the equipment can be protected, the service life of the equipment is prolonged, and the microfiltration efficiency and the use performance are improved.

The invention relates to a warm-keeping and antibacterial garment fabric. The warm-keeping and antibacterial garment fabric comprises a transparent micro-pore polyurethane thin layer (1), a warm-keeping layer (2), an antibacterial fabric layer (3) and a lining layer (4), which are compounded in sequence from outside to inside, wherein the warm-keeping layer (2) is formed by taking yarns formed byintertwining polyester fibers (21) and cotton fibers (34) as warp and weft yarns and interweaving; far infrared ceramic powder particles (22) are arranged on the yarns of the polyester fibers (21). Compared with the prior art, the warm-keeping and antibacterial garment fabric has a good antibacterial and warm-keeping effect; meanwhile, the warm-keeping and antibacterial garment fabric has a good ventilation effect, high wearing comfort and the like.

The invention relates to an indoor unit for an air conditioner. The indoor unit comprises a base plate, a front frame, a front panel, a top surface air absorption grating, a plurality of filters, an indoor heat exchanger, an indoor fan, a fan motor, a vortex tongue and an air deflector, wherein the vortex tongue comprises a vortex tongue frame, a vortex tongue straight wall, a connecting rod and a plurality of blades; and the vortex tongue straight wall has a hollow structure, and a plurality of micropores are formed on the surface facing the outer side of the vortex tongue straight wall. In the indoor unit for the air conditioner, the vortex tongue straight wall is designed in the hollow structure, the plurality of micropores are formed on the outer surface of the vortex tongue straight wall, and when reaching the outer surface, air blown from the indoor fan can pass through the micropores to enter the inside of the vortex tongue straight wall, so that noise caused by the impact of airflow on the vortex tongue straight wall can be reduced substantially. In addition, the outer surface of the vortex tongue straight wall is inclined, so the flowing of the airflow is facilitated; and the shapes of air swirls at the vortex tongue can be changed by a method for changing inclination angles, so that the noise caused by the vortex can be reduced effectively.