35results about How to "Guaranteed impregnation effect" patented technology

The invention relates to a material and a preparation method thereof, and particularly relates to a long glass fiber reinforced polypropylene material adopting a foaming technique and a preparation method thereof, belonging to the technical field of materials. The long glass fiber reinforced polypropylene material comprises the following components by mass percent: 30-75wt% of polypropylene, 20-60wt% of long glass fiber, 0.5-5wt% of chemical foaming agent and 1-5wt% of compatibilizer. The viscosity of the resin is further reduced by adopting a micro-foaming technology, meanwhile, the chance that a glass fiber strong dispersing device reduces or avoids direct contact of a glass fiber bundle and a roller or a convex part is reduced, the damage to the glass fiber is reduced, and the traction resistance of a material bar is reduced. The long glass fiber reinforced polypropylene material has the beneficial effects that the product performance, quality stability and production efficiency are improved when the impregnation effect on the glass fiber caused by polypropylene resin is ensured.

A padding and drying integrated machine comprises a leading-in mechanism, a dipping device, a preheating device and a drying device which are successively connected via a conveyor belt. The dipping device comprises a dipping tank and a squeezing mechanism, two rows of staggered dipping rolls are disposed in the dipping tank, and the dipping rolls are successively connected via the conveyor belt. The preheating device comprises an air heater, the fabric squeezed by the squeezing mechanism is heated by hot air of the air heater, and water in the fabric is further removed. The drying device comprises a sealed oven, two rows of staggered heating rolls are disposed in the sealed oven, the heating rolls are successively connected via the conveyor belt, and inner walls of the sealed oven are uniformly distributed with hot air outlets. The dipping device and the drying device are integrated, efficiency of dipping and drying in a dyeing and finishing process can be effectively improved, and thetechnological process can be accelerated. The preheating device is disposed between the dipping device and the drying device, the water in the fabric can be blow-dried in advance, and drying efficiency of the sequent drying device can be improved.

The invention discloses a solid state capacitor impregnation method, which comprises the following steps: (1) an element is suspended, dry vacuum pumping for 5 to 10 s is carried out, and a vacuum degree is made to be negative pressure; (2) the element is lowered and is immersed in an impregnation liquid, the pressure is held for 5 to 20 s, the vacuum degree is negative pressure, and the vacuum degree is equal to that in the first step; (3) the element is kept in the impregnation liquid and is deflated to a normal pressure state; (4) the above steps (1) to (3) is a cycle, the cycle is executedfor at least two times, and in the case of multiple cycles, the vacuum degree of vacuum impregnation is gradually increased; and (5) the element is suspended, dry vacuum pumping is carried out, the vacuum degree is negative pressure, and the vacuum degree is greater than any above vacuum degree. The solid state capacitor disclosed in the invention has the advantages that the impregnation time isreduced, the impregnation effects are improved, and the element center can be impregnated thoroughly.

The invention provides a composite material and metal component dovetail groove integrated forming connection structure and method. The structure comprises a metal component, a composite material component and a composite material prefabricated block; the metal component is provided with a dovetail groove; the composite material component comprises a composite material body and a composite material connection part, the composite material connection part comprises a composite material forming structure which is arranged in the dovetail groove, the outer surface of the composite material forming structure is attached to the inner surface of the dovetail groove, and the composite material forming structure and the composite material body are integrally formed; and the composite material prefabricated block is used for fixing the position of a reinforcing material of the composite material forming structure in the dovetail groove and is arranged in the composite material forming structure in a filling manner, and the outer surface of the composite material prefabricated block is attached to the inner surface of the composite material forming structure. According to the structure and the method, before a composite material is formed, the reinforcing material and the dovetail groove are firstly effectively combined, then integrated forming is carried out, so that the connection structure has the connection strength and the sealing function of the composite material and metal at the same time, and many defects of mechanical connection and adhesive connection of the composite material and the metal component are avoided.

The invention discloses a preparation method for a catalyst, which is characterized in that in a dipping step, a catalyst carrier and a solution containing the active components are respectively input in an aslant arranged rotating cylinder, a material turning piece is arranged on the sidewall of the rotating cylinder, an active solution is injected in the rotating cylinder in an atomization mode, through the rotation of the rotating cylinder, under dipping by the active solution, and the catalyst carrier is capable of moving from a charging end at high position to a discharging end at low position of the rotating cylinder. According to the invention, the rotating cylinder capable of executing the dipping step in the preparation method is aslant arranged, so that the catalyst carrier is dipped by the active solution and simultaneously moves from the charging end to the discharging end, continuous preparation of the catalyst can be realized, and because that the material turning piece is arranged on the sidewall of the rotating cylinder, when the rotating cylinder is rotated, the catalyst carrier is capable of being turned over by the material turning piece, the catalyst carrier and the active solution are effectively contacted, and the dipping effect of the catalyst carrier is increased.

The invention provides a composite material and a metal component dovetail groove integrated forming connection structure and method, the structure includes: a metal component, provided with a dovetail groove; the composite material component includes: a composite material main body and a composite material connection part, the composite material connection part includes a composite material The molding structure is set in the dovetail groove, and the outer surface is attached to the inner surface of the dovetail groove, and the composite material molding structure is integrally formed with the composite material main body; the composite material prefabricated block is used to fix the reinforcing material of the composite material molding structure in the dovetail groove The position in the center is filled inside the composite material forming structure, and the outer surface of the composite material prefabricated block is bonded to the inner surface of the composite material forming structure. In this structure and method, before the composite material is formed, the reinforcing material and the dovetail groove are effectively combined, and then the integrated molding is carried out, so that the connection structure has both the strength and the sealing function of the connection between the composite material and the metal, and the composite material and the metal part are avoided. There are many disadvantages of mechanical connection and adhesive connection.

The invention discloses a capacitor production equipment and process, which is applied in the field of capacitor production, and solves the problem that the air in the impregnating agent delivery pipeline is not removed when the capacitor is impregnated, and the dye solution produces air bubbles during the impregnating agent transportation process. A technical problem that affects the quality of produced capacitors. The main point of the technical solution is a capacitor production equipment, including a vacuum tank. Buffer tube, there is a pipeline valve at the connection between the buffer tube and the vacuum tank, and the outer wall of the upper end of the buffer tube is connected with a vent pipe, and the upper end of the vent pipe is provided with a vent port, and the diameter of the cross section of the vent pipe increases first and then becomes smaller from bottom to top , the air release pipe is provided with a floating block, the outer wall of the floating block is attached to the inner wall of the lower end of the air release pipe; the technical effect is to ensure the vacuum state in the capacitor and ensure the quality of the produced capacitor.

The present invention is applicable to the technical field of catalyst preparation, and provides a rapid catalyst preparation device, comprising: a housing, in which a storage chamber, an impregnation chamber and a drying chamber are sequentially arranged from left to right, and the storage chamber communicates with the impregnation chamber There is a rotatable baffle at the center; the dipping assembly includes a runner and a dipping frame, and a number of bearing seats are movably connected to the runner, and a dipping frame is set up on the bearing seat; the dumping assembly includes a rotating shaft and a gripper, and the rotating shaft is set on the dipping frame. Between the chamber and the drying chamber, the two ends of the rotating shaft are movably connected to the connecting rod, and the connecting rod is connected to the jaws. The side wall of the housing is provided with a guide block that cooperates with the connecting rod. The guide block is chamfered near the bottom side of the impregnation chamber; the drying assembly, It includes a conveyer belt and a hot air blower, the conveyer belt is arranged horizontally in the drying room, the hot blower is connected with an air duct, and the air duct is located above the conveyer belt. Thereby, the invention can automatically complete the impregnation and drying process, save manpower and improve efficiency, and is also applicable to the production of various catalysts, and the device occupies a small area and has low manufacturing cost.

The invention relates to a composite impregnating tool and application thereof. The composite impregnating tool comprises a tank body and a plurality of support plates with hole arrays, wherein holesin the hole arrays are through holes; the tank body comprises an upper tank body and a lower tank body; a tank cavity is formed between the upper tank body and the lower tank body; a liquid inlet is formed in the top of the upper tank body; a liquid outlet is formed in the bottom of the lower tank body; both the liquid inlet and the liquid outlet communicate with the tank cavity; the support plates are stacked in the tank cavity in a height direction of the tank body; and a cavity for accommodating a part to be subjected to composite impregnating is formed between every two adjacent support plates. The composite impregnating tool disclosed by the invention can simultaneously form two or more products, increases a utilization rate of an impregnating solution, greatly reduces the cost, and improves product production efficiency.

The invention discloses a manufacturing method of a solid state capacitor, which comprises the following steps in sequence: S1, winding a core bag; Numbering each core pack; 2, detect whether that core bag is short circuit one by one, and immerse the tested qualified core bag into a chemical forming liquid for chemical for repairing treatment. The positive electrode guide pin and the negative electrode guide pin of the core package are electrically connected with the positive electrode and the negative electrode of the power supply respectively in the forming and repairing process. The residual current of the core pack is detected one by one after the forming and repairing treatment. 3, dry that core pack; S4, immersing the core pack in the monomer solution for immersion treatment; 5, aftthat immersion treatment is finished, dry the core pack; S6, injecting a quantitative oxidant into the core pack; 7, heat to carry out polymerization reaction to generate conductive polymer in that core pack; S8. Assembled sealing; S9. Ageing. The invention adopts one-to-one charging to the core pack in the chemical forming process, avoids the defective products affecting the forming effect of other adjacent core packs, reduces the ESR series equivalent resistance, and improves the consistency of the products.

A Chinese medicine in that form of decoction slice is prepared from 11 Chinese-medicinal material through immersing them in decoction slices, immersing them in water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them withwater, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them with water, mixing them, mixing them with water, mixing them, mixingthem with water, mixing them, mixing, mixing, mixing, mixing, mixing, mixing and mixing. The invention can solve the problem that when the prior Chinese medicinal decoction pieces are impregnated, Toolong impregnation time, It usually takes a long time to get there, and soaked for a long time, Chinese herbal slices are prone to decay, Traditional Chinese medicine slices usually float above the water surface when impregnated, impregnation is not complete, traditional Chinese medicine slices usually accumulate together when impregnated, affecting the impregnation effect, complicated operation,slow impregnation, low efficiency and other difficult problems, can realize the function of automatic and high-efficient impregnation of traditional Chinese medicine slices, and has the advantages ofsimple operation, rapid impregnation, high efficiency and so on.

The invention discloses a forming method of thermoplastic composite material with an integrated sandwich structure. The forming method comprises the following steps of (1) compounding continuous reinforced fiber tows and thermoplastic resin tows to form composite yarns with "skin-core structures"; (2) weaving the prepared composite yarns into a three-dimensional fabric preform with an integrated hollow structure through a special weaving machine; (3) heating the three-dimensional fabric preform to melt the thermoplastic resin tows and infiltrate the reinforced fiber tows; and (4) cooling and shaping to prepare the composite material with the integrated sandwich structure. The forming method provided by the invention solves the problems that the thermoplastic special engineering plastic is high in viscosity and the three-dimensional fabric reinforcement is difficult to impregnate, and the forming process is low in equipment requirement, simple in process and low in production cost.

The invention discloses a shell-distributed Fischer-Tropsch synthesis catalyst and a preparation method thereof. The method comprises contacting an active component solution with a catalyst carrier, followed by drying and optional roasting, and the contacting is carried out in a catalyst preparation system The preparation system includes an inclined drum, a carrier storage device for storing the catalyst carrier, and a solution storage device for storing the active components. The side wall of the drum is provided with a turning member, the carrier storage device and the solution storage device. respectively communicated with the drum, the method includes spraying the active component solution from the solution storage device into the drum in an atomized form, turning over the catalyst carrier that enters the drum from the carrier storage device when the drum rotates, and the active component solution The injection amount satisfies V L / V C = 0.01 to 0.99. The Fischer-Tropsch synthesis activity and C of the catalyst prepared by the preparation method of the present invention 5+ Higher selectivity for hydrocarbons and lower selectivity for methane.

The invention discloses a preparation method of a continuous fiber reinforced nylon-6 composite material, which comprises the following steps: (1) separately storing caprolactam molten masses containing a catalyst and a catalyst promoter in a constant-temperature constant-speed liquid feeding tank; (2) placing a continuous fabric in a mold of an injection molding machine; (3) starting the injection molding machine and a constant-temperature liquid feeding device separately, adding the caprolactam molten masses containing the catalyst and the catalyst promoter into the feeding hole of the injection molding machine through the liquid feeding device at a same temperature and a same speed, mixing and injecting in the mold injection machine, and injecting the caprolactam molten masses containing the catalyst and the catalyst promoter into the mold paved with the continuous fabric; and (4) initiating caprolactam negative ring-opening polymerization in the mold. The preparation method disclosed by the invention can effectively prevent caprolactam from polymerization before entering the mold, so as to ensure good impregnation of fiber and caprolactam to obtain the continuous fiber reinforced nylon-6 composite material with more excellent mechanical properties.