79results about How to "Improve infiltration efficiency" patented technology

The invention discloses a copperizing solvent and a preparation method thereof, belonging to the technical field of powder metallurgy. The copperizing solvent comprises the following components in percentage by weight: 0.5-10% of one or a plurality of Fe, Zn, Mn, Sn, P and Cr, and 90-99.5% of Cu The preparation method is as follows: weighting raw materials at ratio, adding ceramic balls or stainless steel balls and diffusion accelerating agent; after mixing, sending powder into a hydrogen reduction furnace for diffusion at the diffusion temperature of 300-1000 DEG C for 0.5-25h; cooling, discharging, breaking, screening and collecting; and adding lubricant for blending. The copperizing solvent prepared with the preparation method has the characteristics of favourable forming property, high infiltration efficiency, no erosion and small residue and obviously improves material density and mechanical property. The method has simple flow, required equipment is easy to operate and the coppering solvent can be produced in batch.

The solid rare-earth energizer for chemical thermal treatment comprises: 40-90w% energizer of rare-earth chloride as any combination of La, Ce, Pr and Nd or single La or Ce; and 10-60w% auxiliary agent that contains 20-30% urea, 2-30% biamino hydride, 20-30% potassium ferrocyanide, and 20-25% KCN or NaCN; or 50-70% KCl, 20-40% NaCl, and 2-10% boric acid. This invention overcomes defects in prior art, and has high efficiency, large effect to metal phase tissue modification, and wide application range.

The invention discloses a textile thread lubrication device. The textile thread lubrication device comprises a base; a box body is fixedly connected to the upper end of the base; a heating box is fixedly connected to the upper end of the box body; a first circular ring is fixedly connected to the lower end of the heating box; a cylinder is slidably connected to the inner wall of the first circularring; a plurality of springs are symmetrically and fixedly connected to the inner wall of the cylinder; one end, away from the inner wall of the cylinder, of the plurality of springs is fixedly connected with an arc-shaped plate in a hollow structure; and the first circular ring is provided with an oil guiding device for inputting oil in the arc-shaped plate. According to the textile thread lubrication device provided by the invention, the cylinder drives the arc-shaped plate to rotate, so that the oil in the heating box flows into the arc-shaped plate through the oil guiding device, and flows out from an oil guiding hole, thus comprehensive oil infiltration is carried out on textile threads, the oil infiltration efficiency on the textile threads with different thicknesses is accelerated,and the oil can be heated through a heating plate, so that the situation that the circulation of the oil is affected due to the solidification of the oil when the weather is cold, so that the oil infiltration efficiency of the textile threads is affected is avoided.

The invention discloses an automobile firmware infiltration processing treatment device which comprises a supporting seat, wherein a fixing seat is arranged at the middle part of the lower end of thesupporting seat; a drive motor is mounted at the lower end of the fixing seat; a driving belt pulley is mounted at the middle part of the front end of the drive motor; the driving belt pulley is connected with a driven belt pulley by virtue of a belt; a rotary cam is arranged at the middle part of the front end of the driven belt pulley; the upper end of the rotary cam is in contact with a liftingplate; a lifting column is mounted at the middle part of the upper end of the lifting plate; a lifting table is mounted at the upper end of the lifting column; support frames are mounted on two sidesof the upper end of the lifting table; rotating wheels are mounted at the middle parts of the front ends of the support frames; eccentric columns are mounted at the middle parts of of the front endsof the rotating wheels; moving frames are mounted on the outer sides of the eccentric columns in a sleeving manner; moving racks are arranged at two ends of the moving frames; moving plates are arranged between the bottoms of the moving racks. According to the automobile firmware infiltration processing treatment device disclosed by the invention, reciprocating motions in the upper, lower, left and right directions of the whole automobile firmware can be realized, so that the automobile firmware can be in full contact with a wetting fluid in an infiltration tank, and the condition that the automobile firmware is manually held to swing so as to be infiltrated is avoided.

The invention discloses anti-bonding copper infiltration powder and a preparation method thereof and belongs to the technical field of powder metallurgy. The anti-bonding copper infiltration powder is composed of raw materials, an anti-bonding additive and a lubricating agent, wherein the raw materials are composed of the following components by weight percent: 0.5-3.8% of iron powder, 1.5-18% of brass powder and the balance of copper powder; the addition of the anti-bonding additive is 2-15% of the weight of the raw materials; and the addition of the lubricating agent is 0.5% of the weight of the raw materials. An anti-bonding matter is added in the copper infiltration powder prepared by the preparation method disclosed by the invention, so that the copper infiltration overlying is realized. The anti-bonding copper infiltration powder has better forming property. During a use process, the copper infiltration parts can be stacked and placed in multiple layers, the products are not corroded and the strength of the products is obviously increased. After the copper infiltration is ended, the contact surfaces of the products are not bound mutually; only an incompact oxide interlayer which can be easily removed is arranged on the surface; the surface of the parts is clean and beautiful; the copper infiltration efficiency of the parts is greatly increased; and the capacity is increased.

The invention discloses a method for improving electrolyte infiltration of a ternary battery and the obtained battery. The method comprises the following steps: sequentially carrying out vibration andvacuum standing on the ternary battery after liquid injection. The invention aims at solving the problems that in the prior art, a method of one-time liquid injection and long-time normal-temperatureand normal-pressure standing for a high-nickel ternary soft package power lithium ion battery causes non-uniform distribution of an electrolyte and further influences formation of an SEI film. According to the method disclosed by the invention, a vibration and vacuum standing method replaces the normal-temperature and normal-pressure standing method, and vibration is carried out after liquid injection of the battery, so that the electrolyte infiltration time is effectively shortened, and the electrolyte infiltration efficiency is improved; and then vacuum standing is used for replacing conventional normal-temperature and normal-pressure standing, so that the infiltration time of electrolyte to mesopores and micropores of the electrode plate is shortened, the infiltration effect is improved, the cycle life is prolonged, the production and manufacturing process of the soft package lithium ion battery is shortened, and the production efficiency is improved.

The invention provides a preparation method of a low-boron low-heavy-rare-earth high-coercivity sintered neodymium-iron-boron permanent magnet, which comprises the following steps: (1) preparing a main-phase alloy (Nd, R) a- (Fe, M) b-Bc, wherein c is less than 0.9%, a quick-setting sheet is made by adopting a quick-setting sheet process, and then is ground and crushed into powder of 1.5-3.5 mu m;(2) preparing an additive phase [Nd, R, RH2 (CO3) 3] d -(Fe, M) e, wherein preparing the additive phase [Nd, R, RH2 (CO3) 3] d -(Fe, M) e into a quick-setting sheet by adopting a quick-setting sheetprocess, and then grinding and crushing the quick-setting sheet into powder of 0.06-0.3 mu m; (3) adding the additive phase powder into the main phase alloy powder according to the adding proportion of 0.1-2.0% of the total powder, and uniformly mixing under the protection of argon; (4) conducting orientation and compression molding in a magnetic field, and then conducting isostatic cool pressing;(5) performing high-vacuum low-temperature orientation presintering to obtain a green body; (6) soaking the green body into slurry prepared from heavy rare earth carbonate nano powder; and (7) pressurizing and sintering at low temperature. The magnet prepared by the method is low in boron and heavy rare earth content, and has high coercive force HcJ/HcB on the premise of ensuring that magnetic properties such as residual magnetism Br and maximum magnetic energy product (BH) max of the magnet are not reduced.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a liquid injection device of a lithium ion battery. The liquid injection device comprises a liquid storage tank, a liquid injection pipe and a fixture, wherein the liquid storage tank communicates with the liquid injection pipe, the liquid injection pipe is arranged on the fixture, the liquid storagetank comprises an outer tank wall layer and an inner tank wall layer, a closed first cavity is formed between the outer tank wall layer and the inner tank wall layer, and a first heating body is arranged in the first cavity. By the first heating body, the liquid storage tank and an electrolyte can be heated, the viscosity of the electrolyte is reduced, and the liquid injection efficiency and theimmersion efficiency of a battery cell are improved; and moreover, the heating stability and consistency of the liquid storage tank also can be improved, and influence on uniform heating of the liquidstorage tank and the electrolyte due to overheat is prevented. Moreover, the invention also discloses a liquid injection method of the lithium ion battery.

The invention discloses an environment-friendly wet paper shredder. The environment-friendly wet paper shredder comprises a paper shredding device main body; a feeding cavity is formed in the center of the top of the paper shredding device main body; guide rollers are symmetrically arranged on the left side and the right side of the inner cavity of the feeding cavity; a feeding hole is formed in the center of the top of the feeding cavity; crushing rollers are symmetrically arranged on the left side and the right side of the inner cavity of the paper shredding device main body; crushing teethare fixedly mounted on the outer walls of the crushing rollers; a material falling hole is formed in the bottom of the paper shredding device main body; a soaking mixing tank is arranged at the bottomof the material falling hole; a spiral stirring roller is horizontally arranged in the inner cavity of the soaking mixing tank; a discharging hole is formed in the right side of the bottom of the soaking mixing tank; a water drainage pipe is arranged on the left side of the top of the soaking mixing tank; a water inlet pipe is arranged at the bottom of the right side wall of the soaking mixing tank; and a driving motor is arranged on the left side of the soaking mixing tank. According to the environment-friendly wet paper shredder, the problems that the existing waste paper recycling effect is not very ideal, first, the crushing effect is poor when waste paper is shredded, and second, both the soaking effect and efficiency are not very high when the paper is soaked are solved.

The invention provides a liquid injecting and liquid replacing device for a cylindrical battery, wherein the liquid injecting and liquid replacing device is provided with a liquid injecting and discharging device and a battery rotating device. According to the invention, the battery rotating device can be fixedly connected with at least one part of a cylindrical battery, and the battery rotating device can be connected with the rotating shaft of a motor, so that the motor drives the battery rotating device to rotate so as to further drive the cylindrical battery to rotate; the liquid injectingand discharging device comprises a rotating part rotating together with the cylindrical battery and a fixing part used for being in butt joint with an external fluid storage device/fluid recovery device, wherein the fixing part is connected to the rotating part in a sleeving manner and is internally in fluid communication, so that the cylindrical battery can be in fluid communication with the external stationary fluid storage device/fluid recovery device while rotating; and under the action of centrifugal force, the liquid injected into the cylindrical battery can fully infiltrate the whole battery core, or the liquid in the battery core in the cylindrical battery can be thrown out and new liquid can be continuously injected to quickly replace the original liquid.

The invention relates to the technical field of high-efficiency water utilization and agricultural water saving, and specifically relates to a multi-layer sand net wrapping pipe and a multi-layer sandnet wrapping pipe irrigation system. The multi-layer sand net wrapping pipe comprises an infiltration irrigation water pipe, wherein the infiltration irrigation water pipe is provided with seepage holes, a coarse sand layer, a medium sand layer and a fine sand layer with the sand diameter decreasing in sequence are successively arranged around the infiltration irrigation water pipe from inside tooutside, the coarse sand layer and the medium sand layer are separated by a first sand net, the medium sand layer and the fine sand layer are separated by a second sand net, the fine sand layer is externally provided with a third sand net, the end part of the infiltration irrigation water pipe is sleeved with an end sealing plate, the end sealing plate is vertically connected with the infiltration irrigation water pipe, the first sand net, the second sand net and the third sand net, the flow velocity of the water can be controlled, the water flow in the water pipe carries out uniform infiltration irrigation around, the infiltration irrigation efficiency is high, and the blockage prevention effect is good.

The invention provides a powder metallurgy dissolving and infiltrating combination method, and relates to the field of powder metallurgy. The powder metallurgy dissolving and infiltrating combinationmethod comprises the following steps that S1, a raw material is prepared, specifically, a powder metallurgy material is selected according to a machined part, and then the material is put into a grinding machine to be ground; S2, workblank molding is carried out, specifically, metallurgical powder raw materials are placed in a forming mold, and a compression molding machine is used for pressing and forming a workblank; S3, sintering is carried out, specifically, the formed workblank obtained in the S2 is put into a sintering furnace to be sintered; S4, dissolving and infiltrating machining combination is conducted, specifically, the workblank subjected to heat treatment is put into a dissolving and infiltrating furnace to be combined with a dissolving and infiltrating agent to be subjectedto dissolving and infiltrating treatment. By means of a reasonable dissolving and infiltrating machining technology, the dissolving and infiltrating efficiency of parts is higher during dissolving and infiltrating machining, the technology is easy to machine and operate, the time needed in the machining process can be saved, and meanwhile rapid production of the parts is facilitated.

The invention discloses a clutch capable of improving cooling efficiency. The clutch comprises a flywheel, a spline shaft is arranged in the middle of the flywheel, a friction plate are arranged on one side of the flywheel, and the friction plate is connected to the outer side of the spline shaft in a sleeving mode; oil immersion holes are formed in the friction plate, a pressing plate is arrangedon the side, far away from the flywheel, of the friction plates, the top and the bottom of the pressing plate are each provided with an oil storage tank, and one sides of the oil storage tanks are provided with oil filtering channels; a clutch cover is arranged on the side, far away from the friction plate, of the pressing plate, a separation sleeve is arranged in the middle of the clutch cover,and a transmission shaft is arranged on the inner side of the separation sleeve. A plurality of groups of the oil immersion holes are formed in the friction plate so that the friction plate can quickly dip oil, and the service life of the friction plate can be prolonged; and an annular sealing ring is arranged on the edge of the pressing plate so that the lubricating oil can not overflow from theedge of the friction plate, the infiltration efficiency of the lubricating oil is improved, and meanwhile, the service life of the friction plate is prolonged.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a lithium ion battery liquid injection method which comprises the following steps: putting a baked battery into liquid injection equipment; vacuumizing the liquid injection equipment at first, and then vacuumizing the interior of the battery; injecting an electrolyte into the battery, and sealing; clamping the battery by using a battery clamp to ensure that the battery clamp is in good contact with the battery; and enabling the battery clamp to drive the battery to turn over, so that the electrolyte infiltrates a pole piece and a diaphragm. According to the liquid injection method of the lithium ion battery provided by the invention, the battery clamp is heated in advance, and the battery after liquid injection is clamped by the battery clamp to turn over, so that the viscosity of the electrolyte is reduced, the flowability is enhanced, the infiltration is facilitated, and the infiltration efficiency of the electrolyte to the pole piece and the diaphragm is improved. By adopting the method disclosed by the invention, the battery can be infiltrated by the electrolyte as soon as possible, and the standing time is shortened to be within 4 hours at normal temperature and is saved by 20 hours compared with the prior art.

An embodiment of the invention discloses a device and a method for infiltrating an electric core. The electric core is a soft-package lithium-ion battery electric core, the device comprises a first communication part, a cavity, a second communication part and a sealing part, one end of the first communication part is connected to a first air pressure adjustment device, the cavity is fixedly communicated with the other end of the first communication part, the electric core can contain in the cavity, pressure in the cavity is increased and reduced by the first air pressure adjustment device, one end of the second communication part is connected to a second air pressure adjustment device, an air bag of the electric core is fixedly communicated with the other end of the second communication part, the second air pressure adjustment device increases and reduces pressure in the electric core through the second communication part, an opening portion of the air bag of the electric core is sealed by the sealing part, and the inside of the electric core is isolated from outside in the cavity. According to the device, the inside of the electric core is isolated from the outside in the cavity, so that ideal pressure difference can be formed, capillaries of the inside of the electric core are enhanced, bubble breakage is accelerated, and electrolyte infiltration efficiency is improved.

The invention discloses a lithium ion battery positive electrode current collector, a preparation method and a lithium ion battery, the lithium ion battery positive electrode current collector comprises a first aluminum layer, a second aluminum layer and a PET layer located between the first aluminum layer and the second aluminum layer, and the PET layer is of a latticed structure and is composed of a PET substrate and a conductive agent. The positive current collector of the lithium ion battery has relatively high binding power and electronic conductivity, and ensures that a secondary battery has relatively low internal resistance, long-term cycle stability of the battery and relatively high safety performance.

The invention discloses a spraying pressing device and method for an excess waste glass fiber material. The device comprises a spraying and pressing machine, a material trolley and a drug pond; the spraying and pressing machine is used for spraying and pressing the excess waste glass fiber material in the material trolley; the material trolley is used for containing waste glass fiber and an excesscorner material of the waste glass fiber; the drug pond is used for stirring and filtering drug liquid, the drug liquid is sprayed to the excess glass fiber material through the spraying pipe, and the excess glass fiber material is pressed through a hydraulic oil cylinder and a squeezing plate to achieve the purposes that the excess glass fiber material is infiltrated more thoroughly, pressing ismore suitable, the quality of products is improved, the labor intensity of workers is reduced, and the production efficiency is improved.

The invention provides an apparatus and method for improving the infiltration performance of a battery with high specific energy density. The apparatus comprises a microwave generation device, an electric field generation device, an infrared generation device and a conveying device used for conveying a to-be-infiltrated electric core, wherein the microwave generation device is electrically connected with a microwave detection device; the electric field generation device is electrically connected with an electric field detection device; the infrared generation device is electrically connected with an infrared detection device; the conveying device is arranged in a microwave field generated by the microwave generation device, an electric field generated by the electric field generation device and in infrared field generated by the infrared generation device; and the microwave generation device, the electric field generation device, the infrared generation device, the microwave detection device, the electric field detection device and the infrared detection device are all electrically connected with a comprehensive control hub. The apparatus and method provided by the invention can improve the infiltration structure of an electrolyte in the electric core of a lithium battery and is capable of effectively improving the electric core infiltration capability of the electrolyte and shortening infiltration time.

The invention belongs to the technical field of powder metallurgy and discloses a chromium-containing copper infiltrant and a preparation method thereof. The copper infiltrant is prepared from the compositions in percentage by mass: 1.3-2.9% of iron, 0.5-1.7% of carbon, 0.01-0.2% of chromium and the balance of copper. The preparation method comprises the steps that raw materials are weighed according to the ratio, ceramic balls or stainless steel balls and a diffusion promoter are added, after mixing, powder is fed into a hydrogen reduction furnace to be diffused, the diffusion temperature is300-1000 DEG C, the diffusion time is 0.5-25 h, cooling, discharging out of the furnace for crushing and screening for collection are conducted, and then a lubricant is added for blending. The copperinfiltrant prepared by the preparation method has the characteristics that formability is good, the infiltration efficiency is high, no erosion exists, residue is less, and the material density and mechanical properties are significant improved. The method is simple in process, required equipment is easy to operate, and mass production can be achieved.

The invention discloses an improved aerated concrete block, which is prepared from the following raw materials in parts by weight: 100 to 150 parts of siliceous material, 22 to 45 parts of cement, 20 to 40 parts of quick lime, 5 to 15 parts of desulfurized gypsum, 0.2 to 0.25 part of aluminum powder and 0.2 to 0.5 part of modified carbon nanotube. The modified carbon nanotube is prepared by the following steps: putting carbon nanotube powder into a closed container, introducing nitrogen, adjusting the flow and air pressure of the nitrogen, and carrying out microwave irradiation at the same time, so that gas in a cavity absorbs microwave energy and is excited to generate plasma; adding ultrasonic irradiation to make the ionized nitrogen atoms deeply doped into the surface and the internal structure of the carbon nanotube; and adding the obtained carbon nanotube into an acetic acid solution of chitosan, reacting for 6-8 hours at the temperature of 30-35 DEG C, and performing suction filtration, washing and drying to obtain the modified carbon nanotube material.