29results about How to "Improve impregnation efficiency" patented technology

The invention provides a special recombinant material applied to the fields of liquefied petroleum gas (LPG), liquefied ethylene gas (LEG), liquefied natural gas (LNG) A / B / C type independent liquid cargo tanks and part of low-temperature pipeline supports and a manufacturing method of the special recombinant material. The invention provides a manufacturing method of a special recombined material for the ultralow-temperature field. The manufacturing method comprises the steps of selection of a veneer tree species and an adhesive, determination of the thickness of a veneer and the adhesive applying amount, and rapid gum dipping and hot pressing of a thick veneer. According to the manufacturing method provided by the invention, the vacuum high-pressure impregnation adhesive is adopted, so that the effects of high impregnation efficiency, large impregnation amount and uniform resin distribution can be realized; and a temperature sensor and a pressure sensor are installed, so that early warning can be carried out in advance when abnormity occurs. The special recombinant material has excellent mechanical properties such as water resistance, compression resistance, bending resistance and shearing resistance at room temperature and ultralow temperature (-163 DEG C). The special recombinant material provided by the invention can be used for liquid cargo hold pressure-bearing wood of LPG, LEG and LNG ships and part of low-temperature pipeline brackets.

The application discloses an insulation paper ultrasonic auxiliary impregnation device and method, and belongs to the technical field of oil paper insulation. The application comprises an insulation oil tank for containing insulation oil; a vacuum mechanism connected with the insulation oil tank for providing negative pressure in the insulation oil tank; a clamping mechanism fixed in the insulation oil tank for clamping the insulation paper; and an ultrasonic mechanism comprising a power supply and an ultrasonic vibrator for generating ultrasonic waves, wherein the power supply is in conductive connection with the ultrasonic vibrator, the ultrasonic vibrator is located in the insulation oil tank, and the emitting part of the ultrasonic vibrator faces the insulation paper so that the ultrasonic waves generated by the ultrasonic vibrator cover the insulation paper. The double effects of vacuum and ultrasonic waves promote the peristalsis of the insulation oil into the micropores of the insulation paper, and improve the impregnation efficiency and impregnation quality.

This invention relates to an insulating oil and an oil-paper insulation system containing superhydrophobic nanoparticles, as well as their preparation method and application, belonging to the field of electrical equipment insulation technology. This invention provides an insulating oil containing superhydrophobic nanoparticles, wherein the superhydrophobic nanoparticles are silane-modified nanoparticles, and the nanoparticles include at least one of SiO2, TiO2, and h-BN; the insulating oil includes at least one of mineral insulating oil, synthetic insulating oil, and natural ester insulating oil. This invention achieves the superhydrophobicity of the nanoparticles and good compatibility with the oil phase through silane modification. Adding silane-modified nanoparticles to the insulating oil effectively reduces the water content of the insulating oil and optimizes the interfacial performance of the oil-paper. Combined with the low-temperature, high-efficiency, and uniform rapid impregnation process of this invention, the overall electrical performance and service life of the oil-paper insulation system are significantly improved.

The utility model relates to a graphite plate cleaning and dipping tool, and belongs to the technical field of bipolar plate dipping processing, the graphite plate cleaning and dipping tool comprises a dipping cage, the dipping cage is of a box type structure, and the dipping cage comprises a baffle horizontally arranged at the top, two sets of first surrounding plates and two sets of second surrounding plates vertically arranged, and a supporting plate horizontally arranged at the bottom; a plurality of partition nets for separating the graphite bipolar plates are arranged in the dipping cage, the distribution uniformity and dipping efficiency of the graphite bipolar plates during dipping in the dipping process are guaranteed through the partition nets uniformly distributed in the dipping cage, overlapping or stacking in the dipping process is avoided, meanwhile, a plurality of graphite bipolar plates can be placed through the dipping cage, and the dipping efficiency of the graphite bipolar plates is improved. And the impregnation efficiency of batch treatment of graphite bipolar plates can be improved.

The utility model belongs to the technical field of heavy metal extraction, and particularly relates to a dipping device for fast food packaging box heavy metal detection, which comprises a device body, a collection kettle is arranged in the device body, a dipping kettle is arranged at the top of the collection kettle, and the collection kettle is connected with the dipping kettle through a dipping liquid steam conveying pipe. A steeping liquid steam conveying pipe is arranged at one end of the steeping kettle, a steam conveying valve is arranged on the steeping liquid steam conveying pipe, a steam return pipe is arranged on the steeping kettle, the other end of the steam return pipe is communicated with the collecting kettle, a steam return valve is arranged on the steam return pipe, and the top of the steeping kettle is communicated with the condenser. A steam conveying pipe is arranged, heated impregnation liquid is conveyed to an impregnation kettle, a sample to be detected is placed in the impregnation kettle, the impregnation liquid makes contact with the sample to be detected, and heavy metal is impregnated into the impregnation liquid; by arranging the vibration motor, the screening barrel can be vibrated, the impregnation efficiency is improved, the steam return pipe is arranged at the bottom of the impregnation kettle, and impregnation liquid flows back into the collection kettle under the action of gravity.

According to the instant ruditapes philippinarum food and the processing method thereof, ruditapes philippinarum is used as a raw material, and vacuum rolling, TG enzyme-ultrasonic coupling treatment, vacuum impregnation and far infrared drying and dehydration technologies are combined in the main steps of raw material pretreatment, pre-dehydration, seasoning, drying and the like. The allergen of the clam meat instant product is effectively reduced, the elasticity of the clam meat instant product is increased, the taste of the clam meat is ensured, and the clam meat instant product has certain reference significance for development of instant shellfish products.

The invention discloses an impregnation process of an aluminum electrolytic capacitor. The impregnation process comprises the following steps: electrolyte flows under a vacuum negative pressure condition and is adsorbed to a core aluminum foil and electrolytic paper of the aluminum electrolytic capacitor. The process that the electrolyte is introduced into the impregnation core tank from the liquid storage tank is carried out under a vacuum negative pressure condition, and because the electrolyte is vacuumized in the liquid storage tank and the aluminum electrolytic capacitor core is vacuumized in the impregnation core tank at the same time, air is prevented from remaining in the electrolyte and the aluminum electrolytic capacitor core; and the electrolyte can be more quickly adsorbed into micro holes and electrolytic paper on the surface of the aluminum foil of the aluminum electrolytic capacitor core, so that the impregnation efficiency is accelerated, the permeation rate is improved, and the problem that the DF value and the impedance value of the impregnated product exceed the standard is solved.

The application relates to a preparation method of a graphene composite phase change thermal interface material. An oxidized graphene dispersion liquid is provided, a centrifugal roller coating and a layer-by-layer drying process are adopted to form a multilayer oxidized graphene unit layer on a substrate, and an oxidized graphene film is obtained; the oxidized graphene film is placed in a limited space, gradient heat reduction treatment is carried out, the film is controllably expanded in the out-of-plane direction, and a reduced graphene oxide film with a micro-nano cavity structure is formed; the reduced graphene oxide film is subjected to graphitization treatment, and a graphene micro-nano cavity film is obtained; through a vacuum impregnation method, a molten phase change material is filled into the micro-nano cavity structure of the graphene micro-nano cavity film. The thermal interface material has high phase change enthalpy (196.2 J / g), excellent thermal performance (in-plane thermal conductivity 65.5 W.m ‑1 ·K ‑1 , out-of-plane 21.9 W.m ‑1 ·K ‑1 , and low interface thermal resistance (0.575 K.cm 2 ·W ‑1 ).

The utility model relates to the technical field of impregnation, disclose a kind of vacuum impregnation tank, including impregnation tank and the sealing cover of cover being equipped with the sealing cover on the upper end of the impregnation tank, the vacuum pump is equipped in the outer wall one side of the impregnation tank, the discharge valve is connected and arranged in the lower end of the impregnation tank, and the placing assembly is arranged in the inner chamber of the impregnation tank. First motor and second motor start, first motor driving pin shaft slides along the adjusting groove of the adjusting plate during starting process, and adjusting plate drives connecting rod to move periodically along the outer wall of the impregnation tank front and back, so that connecting rod drives ring sleeve, disc to move periodically front and back, so that the material on the upper end of the placing frame can be moved front and back, and second motor can drive disc to rotate along the annular slide rail of the middle end of ring sleeve, so that the material placed in the placing frame rotates while moving back and forth in the inner chamber of the impregnation tank during the starting process of first motor and second motor, thereby improving the impregnation efficiency.

The present invention proposes a melt impregnation mold and method for thermoplastic resin-based prepreg (tape), belonging to the field of melt impregnation molds and processes. The invention solves the problem that the existing melt impregnation mold is difficult to complete the continuous impregnation process of thermoplastic resin on fiber and the impregnation efficiency is low. It includes an upper mold and a lower mold, the upper mold is covered on the upper part of the lower mold, the upper mold includes an upper mold cover plate, an upper mold impregnation roller and an upper mold guide roller, the number of the upper mold impregnation rollers is multiple, and the multiple upper mold impregnation rollers are arranged below the upper mold cover plate at intervals along the length direction of the upper mold cover plate, and an upper mold guide roller is arranged below the upper mold cover plate, and the lower mold includes two lower mold side plates, a lower mold middle plate, a rotating impregnation roller, a rotating guide roller and a rotating calendering roller, and the two lower mold side plates are arranged on both sides of the lower mold middle plate in the width direction. It is mainly used for melt impregnation of thermoplastic resin-based prepreg (tape).

The present invention proposes an alumina slurry with high solid content and low viscosity and a preparation method thereof, which relates to the field of alumina fiber composite materials, and the preparation steps include: preparing a lanthanum phosphate precursor solution; adding high-purity nano-alumina powder to the lanthanum phosphate precursor solution to obtain an alumina slurry with lanthanum phosphate; mixing the alumina slurry with lanthanum phosphate in a high-speed disperser, and then heating it to obtain a mixed system; after the mixed system is gelled, high-temperature sintering is performed to obtain a solid; deionized water is added to the solid and ball-milled to obtain an alumina slurry with high solid content and low viscosity. The present invention can solve the problem of low impregnation efficiency in the preparation process of alumina-based composite materials.

The invention belongs to the technical field of fine chemical engineering, and particularly relates to a preparation method and application of a double-alkali metal magnesium aluminate spinel catalyst. The preparation method comprises the following steps: mixing pseudo-boehmite and magnesium nitrate, adding the mixture into water, uniformly mixing, adding a dispersing agent and a precipitating agent, stirring, standing, aging, crystallizing, centrifuging, washing, drying and roasting to obtain a spinel carrier MgAl2O4; the spinel carrier MgAl2O4, a modifier and water are subjected to a reaction, hydrothermal crystallization, centrifugation, washing, drying and roasting are performed, and the treated spinel carrier MgAl2O4 is obtained; and mixing lithium nitrate, calcium nitrate, a pre-precipitating agent and water, performing ultrasonic treatment, heating, concentrating and evaporating, performing equivalent-volume impregnation on the treated spinel carrier MgAl2O4, and performing hydrothermal reaction, centrifugation, washing, drying and roasting to obtain the Li2O-CaO / MgAl2O4 double-alkali metal magnesium aluminate spinel catalyst. The preparation method is simple, and the prepared catalyst is low in cost and high in catalytic activity.

The application provides a gradient wave-transparent heat shield forming method, comprising the following steps: S1, preparing a preform of a heat shield; S2, configuring ceramic slurry; S3, fusing the ceramic slurry into the preform of the heat shield to form a green body of the heat shield; S4, placing the green body of the heat shield into the ceramic slurry to densify the green body of the heat shield; and S5, sealing a large port of the green body of the heat shield and performing solution infiltration on the green body of the heat shield by using polytetrafluoroethylene to form the heat shield. The heat shield prepared by the method not only has the functions of bearing and transmitting waves, but also has excellent heat insulation and heat protection functions.

The utility model provides an automatic steeping tank, including tank body, timer and controller, said timer is electrically connected with said controller through the lead, the top of tank body is provided with the fixed mount, the fixed mount is provided with the material mixing device and cylinder, the material mixing device includes the material mixing cabin and a plurality of material storage cabins, the material storage cabin is provided with the cylinder, the cylinder is provided with the material mixing cabin and the material storage cabin. The storage bin is provided with a feeding port and a discharging port, the discharging port of the storage bin is communicated with the feeding port of the mixing bin, the discharging port of the mixing bin is communicated with the feeding port of the tank body, the air cylinder is electrically connected with the controller through a wire, the output end of the air cylinder is connected with a placing frame, and the air cylinder can drive the placing frame to move up and down in the vertical direction; the dipping efficiency of the silicon carbide preform can be improved.

The utility model relates to the technical field of continuous production of catalysts, in particular to a continuous production system of a composite catalyst. The composite catalyst continuous production system comprises a discharging hopper, the discharging hopper is connected with a pre-impregnation tank through a mixing and stirring box, the pre-impregnation tank is connected with a centrifugal machine through a vacuum impregnation box, the centrifugal machine is connected with a roasting furnace through a drying box, a drying and crushing box is connected to the discharging hopper, and a condenser is arranged on the drying box. Heat preservation is arranged on the outer sides of all pipelines of the device. According to the system, through cooperative use of the elevator, the inclined vibrating screen and the drying and crushing box, raw materials which are affected with damp and agglomerated are separated out, dried through hot air in the roasting furnace, crushed and recycled, pipeline blockage is avoided, and the raw material mixing efficiency and the energy utilization rate are improved.

The invention discloses a preparation method of colored suede leather base cloth, which comprises the following steps of: blending, melting and spinning by taking PA (Polyamide) slices as island phases and PE (Polyethylene) slices as sea phases to obtain sea-island fibers, needling to form non-woven fabrics, and shaping at high temperature to obtain the base cloth; preparing colored slurry containing a bridging agent and a curing agent, performing dry coating on release paper to form a coating, then laminating the coating with the shaped base cloth, and separating the release paper after drying to obtain composite coating base cloth with a colored surface layer; carrying out wet-process impregnation on the back surface of the composite coating base cloth by adopting impregnation slurry without adding color paste to form a double-layer structure; and splitting, drying, dyeing, buffing, oiling and fixing to obtain the colored suede leather base cloth. According to the preparation method of the colored suede leather base cloth provided by the invention, a product with bright color and high color fastness is prepared by optimizing a production process.

The invention discloses a forming method for improving the density of a fiber-reinforced ceramic-based composite material, and belongs to the technical field of composite material preparation. According to the method, the specific precursor mixture is selected as an impregnation matrix material and then combined with a high-temperature pressure sintering process, process parameters of different composite stages are regulated and controlled, the problem that a matrix formed by cracking of polyborosilazane in an existing process is non-uniform in distribution is solved to the maximum extent, internal defects of the material are reduced, and the performance of the material is improved. The non-uniform degree and the density of the composite material are greatly improved, and the damage degree to the fibers is reduced by reducing the number of compounding times, so that the fibers can exert better reinforcing and toughening effects, the tensile property, the bending property and other mechanical properties of the composite material are effectively improved, and finally the high-performance silicon-boron-nitrogen fiber reinforced silicon-boron-nitrogen composite material can be obtained.

The invention discloses a preparation method and application of a palladium-cerium-doped ZSM-5 molecular sieve catalyst, and relates to the technical field of ZSM-5 molecular sieve catalytic cracking. The molecular sieve is rapidly and efficiently prepared through two times of microwave hydrothermal treatment, the preparation time of the molecular sieve is greatly shortened, microwave impregnation directly acts on the interior of the material, the efficiency and uniformity of palladium and cerium loaded on the ZSM-5 molecular sieve are greatly improved, metal and the molecular sieve are stably combined, the thermal stability of the catalyst is improved, and the service life of the catalyst is prolonged. And the catalytic activity and the product selectivity of the catalytic reaction are obviously enhanced. According to the method, a palladium-cerium-doped molecular sieve is impregnated in a quartz wool sheet, low-value organic matters are subjected to rapid catalytic cracking by virtue of silicon carbide-assisted microwave heating, methane and hydrogen with high additional value and high yield are obtained by virtue of catalysis and selectivity of the palladium-cerium-doped ZSM-5 molecular sieve, and a product is extremely easy to collect, purify and reuse after passing through a condensation system. The low-value product catalytic conversion and waste resource utilization efficiency is greatly improved.

The utility model relates to decorative paper processing equipment, and belongs to the technical field of decorative paper processing, the decorative paper processing equipment comprises a bottom plate and a decorative paper body, the top of the bottom plate is provided with a dipping processing mechanism, the dipping processing mechanism comprises a drying box and a dipping frame which are fixedly connected to the top of the bottom plate, and the dipping frame is fixedly connected to the right side of the drying box. According to the decorative paper processing equipment, dipping, drying and rolling of a decorative paper body can be integrated on one equipment, and the practicability of the equipment is improved; an air extracting pump can extract air in the drying box to a preheating box so as to accelerate the discharge of moisture in the decorative paper and improve the drying efficiency, and wet and hot air entering the preheating box can soften the decorative paper body before dipping so as to cooperate with an anti-wrinkling structure to realize the anti-wrinkling and wrinkle-removing of the decorative paper body; and therefore, the softened and wrinkle-removed decorative paper body can better absorb the dipping solution during dipping, the dipping efficiency and quality are effectively improved, and the practical effect of the device is further improved.

The invention provides impregnating resin with low viscosity and long pot life and a preparation method thereof. Belongs to the field of impregnating resin. According to the technical key points, the adhesive comprises the following components in percentage by mass: 90-100 parts of vinyl acetate; 90 to 100 parts of a modified monomer; 1 to 1.5 parts of polyvinyl alcohol; 1.2 to 1.5 parts of dodecylphenol polyoxyethylene ether; 1.5 to 1.8 parts of sodium chloride; 0.3 to 0.4 part of ammonium persulfate; 1.3 to 1.4 parts of sodium bicarbonate; 90 to 100 parts of distilled water; 3 to 4.3 parts of styrene; silicone oil; 2 to 6 parts; and 1.1 to 1.3 parts of sodium hydroxide. The method comprises the following steps: S1, adding a mixed solution of a sodium hydroxide solution and a sodium chloride solution into a modified monomer, washing for 3-5 times, filtering and separating the monomer, and washing for 3-5 times by using distilled water; the invention aims to provide impregnating resin with low viscosity and long pot life and a preparation method thereof. The impregnating resin is used for enabling the impregnating efficiency to be higher when the whole impregnating resin is used, and meanwhile, the impregnating requirement of a high-density base material can be met.

The invention belongs to the technical field of graphite impregnation, and discloses an isostatic pressing graphite impregnation method for a semiconductor, which comprises the following steps: S1, integrally lifting an upper cover through a telescopic cylinder, placing a graphite sample on a placement frame, and after placement is completed, splicing the upper cover with a shell again through the telescopic cylinder, s4, lifting an upper cover, a placement frame and the graphite sample through a telescopic air cylinder, and synchronously starting a cooling fan at the moment because high temperature exists on the surface of the graphite sample at the moment, so that the cooling fan can perform cooling and cleaning on the graphite sample; according to the graphite sample cooling device disclosed by the invention, the telescopic air cylinder, the upper cover, the cooling fans and other structures are matched, and the two groups of cooling fans are used for blowing and cooling the graphite sample in the middle, so that the purpose of conveniently cooling the processed graphite sample by the device is achieved.

The utility model discloses a closed pultrusion mold which comprises a first mold and a second mold, a pultrusion cavity of the closed pultrusion mold is formed by the first mold and the second mold in a surrounding mode, and the first mold comprises a first mold body and a glue injection part. The glue injection part is communicated with the pultrusion cavity and the outer surface, deviating from the pultrusion cavity, of the first mold main body, and a glue injection channel can be defined by the glue injection part, so that a resin glue solution is injected into the pultrusion cavity through the glue injection channel. Wherein the size of the glue injection channel in the width direction of the pultrusion cavity is gradually increased in the glue injection direction, so that the resin glue liquid can be well diffused in the width direction of the pultrusion cavity when being injected into the pultrusion cavity, the fiber impregnation efficiency is improved, and the yarn drying risk caused by insufficient fiber impregnation and non-uniform impregnation is effectively avoided.

The utility model provides a dipping device for graphite electrode production, which belongs to the technical field of graphite electrode processing and comprises a dipping box, a box cover is arranged on the upper side of the dipping box, an opening and closing structure is arranged on the rear side wall of the dipping box, and four connecting plates are fixedly connected to the inner top wall of the dipping box. The bottom ends of the four connecting plates are fixedly connected with a mounting frame, the left end and the right end of the upper end face of the mounting frame are each fixedly connected with five sets of mounting bases, a rotating roller is rotationally connected into each set of mounting bases, and one end of the rotating roller on the front side of each set is fixedly connected with a double-groove belt wheel. Through the arrangement of the box cover, the opening and closing structure, the connecting plate, the mounting frame and the sealing ring, automatic cover opening and closing are realized, the sealing performance during impregnation is improved, a graphite electrode is conveniently put in and taken out, the impregnation efficiency of the graphite electrode is remarkably improved, and the production cost is reduced. The problems that in the prior art, graphite electrodes are inconvenient to put in and take out, and a cover is inconvenient to open and close automatically are solved.

The utility model discloses an infusion device for Teflon high-temperature cloth, which relates to the technical field of Teflon high-temperature cloth and comprises a stirring box, the front surface of the stirring box is transparent, an infusion assembly is fixedly mounted on the bottom surface of the stirring box, and a liquid inlet assembly is fixedly inserted into the top surface of the infusion assembly. A driving motor is fixedly mounted on the top surface of the stirring box, a stirring rod is rotationally connected to the top surface in the stirring box, the top surface of the stirring rod is fixedly connected with the output end of the driving motor, and a plurality of groups of heating wires are fixedly connected to the inner wall of the stirring box. The stirring rod is driven by the driving motor to rotate, emulsion in the stirring box is fully heated by the heating wire and enters the soaking assembly along the liquid inlet assembly after being heated, thick emulsion is scattered in the liquid inlet assembly, and the situation that the emulsion is blocked inside or moves slowly is avoided; and the dipping process of the dipping assembly is prevented from being delayed.

The invention provides a winding capacitor automatic impregnation device, which comprises a frame body, a liquid containing disc, a lifting mechanism and a processing unit, and is characterized in that a first end of the lifting mechanism is connected with the frame body, a second end of the lifting mechanism is connected with the liquid containing disc, the lifting mechanism is used for driving the liquid containing disc to move vertically and be positioned, a first electrode is arranged on the frame body, and a second electrode is arranged on the liquid containing disc; the frame body and the liquid containing disc have electrical conductivity, and the liquid containing disc is insulated from the frame body; the liquid containing disc is used for containing conductive impregnation liquid, and a part to be impregnated is arranged on the frame body and electrically communicated with the frame body. The driving mechanism drives the liquid containing disc to move in the vertical direction and conduct soaking on the to-be-soaked part after the liquid containing disc is positioned, and when the liquid containing disc moves in the vertical direction to drive the soaking liquid to make contact with the to-be-soaked part, the first electrode on the frame body and the second electrode on the liquid containing disc are conducted, and a calibration signal is sent out; the processing unit is used for receiving the calibration signal for zero calibration and further used for sending out an infiltration control signal after receiving the calibration signal, and the lifting mechanism responds to the infiltration control signal to ascend by a preset height.

The invention provides an impregnation preparation method and impregnation liquid for an ultrahigh-temperature ceramic phase modified C / SiC composite material, and aims to solve the problem that the existing method for treating a reinforcement body through a silane coupling agent or improving interface bonding and improving the infiltration effect by using an impregnant with a specific formula cannot be used for treating a complex component or pursuing higher compactness. The impregnation is not uniform; more internal residual pores exist; and the improvement of the impregnation efficiency is limited. According to the impregnation preparation method of the ultra-high-temperature ceramic phase modified C / SiC composite material, a composite wetting agent composed of a penetration promoting type surfactant and an interface modification type coupling agent is introduced into an impregnation resin system, so that the surface tension of the resin is remarkably reduced, and meanwhile, the interface compatibility of the resin and carbon fibers is improved; and under the synergistic effect of the subsequent vacuum-pressure impregnation process, various pores in the C / SiC composite material preform can be more quickly and deeply filled, so that the deep, quick and uniform penetration of the resin into the C / SiC composite material preform is realized.

The present invention relates to a graphite graded impregnation method, a method for preparing flexible high thermal conductivity graphene and graphene, and belongs to the field of new material technology. The graphite graded impregnation method includes at least two impregnation cycles, and each of the impregnation cycles includes: filling the impregnation slurry into the modified graphite fiber material along the direction of the graphite fiber, and supplementing the impregnation slurry into the modified graphite fiber material after filling, and completing the impregnation after post-treatment. As the impregnation cycle increases, the size of the impregnation slurry gradually decreases. The present invention uses graphite slurries of different sizes to grade and fill in order from high to low size, so that the obtained graphite material has a stable structure and a small porosity, and is not prone to disintegration and rupture during graphitization, so that the product has a certain flexibility.

The carbon fiber winding machine comprises a core mold, a bottom plate is arranged below the core mold, first supports are installed on the upper end face of the bottom plate, the two ends of the core mold are rotationally connected with the first supports correspondingly, one end of the core mold is in transmission connection with a first motor, the first motor is connected with the bottom plate through a first supporting column, and a sliding rail is arranged on the upper end face of the bottom plate; the sliding rail is arranged on one side of the core mold and slidably connected with the sliding plate, the upper end face of the sliding plate is provided with a dipping cavity and a second support, a winding roller shaft is installed at the top end of the second support, a rotating roller shaft is installed in the dipping cavity, a limiting notch is formed in the side edge, close to the core mold, of the dipping cavity, and the side edge of the sliding plate is connected with a movable rod assembly. By controlling the movement speed in the axis direction, the winding thickness of the carbon fibers on the unit area of the core mold can be achieved, by controlling the reciprocating movement of the carbon fibers along the axis of the core mold during winding, multi-layer winding is conducted on the core mold, the number of winding layers of the carbon fibers on the core mold can be controlled, and the quality of finished products formed by winding the carbon fibers can be improved.

The utility model provides a denitration catalyst dipping device which comprises a dipping tank capable of rotating along the axial direction, a heating jacket is coated on the outer side of the dipping tank, a feed pipe, a discharge pipe and an exhaust pipe are arranged on the dipping tank, and a plurality of shoveling plates are arranged in the dipping tank along the circumferential direction of the inner wall of the dipping tank. According to the technical scheme, the outer side of the impregnation tank capable of rotating in the axial direction is coated with the heating jacket, heating is carried out in the impregnation process of the denitration catalyst, the impregnation efficiency is improved, meanwhile, the multiple shoveling plates are arranged in the impregnation tank in the circumferential direction of the inner wall of the impregnation tank, the flow disturbing and stirring effects are achieved, an impregnated object and impregnation liquid are fully mixed, and the impregnation efficiency is improved. And the impregnation efficiency is greatly improved.