22results about How to "Shorten spin time" patented technology

The invention relates to the technical field of fine chemical engineering, in particular to superfine ground calcium carbonate for a high-specific-surface-area low-moisture sealant as well as a preparation method and application of the superfine ground calcium carbonate. The preparation method comprises the following steps: mixing calcite particles with a compound grinding aid, and carrying out wet grinding to obtain a ground product; performing multiple grading treatment on the ground product to obtain a graded product; mixing the graded product with a moisture scavenger and a modifier, and modifying to obtain superfine heavy calcium carbonate; in the superfine heavy calcium carbonate, the content of particles smaller than or equal to 2 microns in calcium carbonate is larger than or equal to 85 wt%, D97 is smaller than or equal to 2.7 microns, the specific surface area is larger than or equal to 9 m < 2 > / g, and the water content is smaller than or equal to 500 ppm, the problems that traditional heavy calcium carbonate is poor in reinforcing effect, relatively high in water content and prone to sedimentation are solved, the dehydration time can be saved, the production efficiency can be improved, and the requirements of downstream customers are met; meanwhile, the stability of batches is good, the anti-settling effect is good, and part of light nano-calcium can be replaced in sealant production.

The invention is suitable for the technical field of textile production, and provides a textile dewatering device which comprises a dewatering box, a base, a top seat, a drainage pipe, supporting legs, a water storage plate, a fixing block, a water outlet pipe and a box door and further comprises an inner cylinder assembly, a rotating mechanism and an intermittent flapping mechanism. And the rotating mechanism is connected with the inner cylinder assembly. According to the spinning dewatering device, the intermittent flapping mechanism is matched with the rotating mechanism and the inner cylinder assembly, so that intermittent flapping of textiles can be achieved, the surface tension of water flow in the textiles can be broken, the dewatering rate of the textiles is increased, and the spinning effect is improved. According to the textile dewatering device, a large number of textiles can be rapidly dewatered at the same time, the textiles in the rotating state can be vibrated, water discharge is further promoted, and the dewatering time is shortened.

The utility model discloses an edible mushroom dehydration device which comprises a dehydration box, and a front door assembly is arranged on the front side of the dehydration box. When edible mushrooms are dewatered, the front door assembly is opened, the edible mushrooms to be dewatered are evenly placed in the staggered frame, the power motor is started, the power motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the transmission column to rotate, the transmission column drives the first bevel gear to rotate, and the first bevel gear drives the second bevel gear to rotate. A bevel gear II drives a rotating column to rotate, the rotating column drives a staggered frame to rotate, the staggered frame rotates to drive edible mushrooms placed in the staggered frame to rotate and dehydrate, and water dripped during dehydration of the edible mushrooms is discharged through a water discharging opening along a water flowing groove formed in the top of a partition plate, so that the advantage of convenient dehydration is achieved; and the dehydrated edible mushrooms do not drop on the edible mushrooms placed on the lower layer, so that the dehydration time of the edible mushrooms is shortened.

The invention discloses automatic microphone wire welding equipment, and relates to the technical field of wire welding equipment, the automatic microphone wire welding equipment comprises a workbench and a feeding assembly, the feeding assembly comprises two feeding mechanisms, a rectangular opening is formed in the table top of the workbench, and the two feeding mechanisms are arranged on the two sides of the rectangular opening respectively; a material guide cover which is obliquely arranged is fixed at the bottom of the table top of the working table, and a cover opening of the material guide cover is located below the rectangular opening; the feeding mechanism comprises a supporting plate and a plurality of clamps, the supporting plate is fixed to the workbench, and a driving assembly enabling the clamps to move annularly is arranged on one side of the supporting plate. According to the invention, the angle control range of the straightening microphone is from zero to ninety degrees, that is to say, the direction of the microphone welding wire is provided with two positions, one position is used for welding the cathode in front, and the other position is used for welding the anode in front, so that the reference direction of the microphone is provided with two directions, the rotating angle of the rotating module is reduced, the rotating time is shortened, and the efficiency of batch production is improved.

The utility model discloses a dewatering device for cleaning down products, which belongs to the technical field of down product dewatering and comprises an outer frame, a dewatering cylinder and a telescopic heating press plate, a cover door is arranged on the outer frame, the telescopic heating press plate is connected to the middle of the inner side of the cover door, the dewatering cylinder is arranged in the outer frame, and the telescopic heating press plate is arranged in the dewatering cylinder. According to the down feather product dewatering device, most of water of down feather products is squeezed out back and forth through the telescopic heating pressing plate structure, meanwhile, the down feather products are dried through heating of the telescopic heating pressing plate, the dewatering time is greatly shortened, and the dewatering efficiency is improved. The dewatering efficiency of the washing machine is improved, great convenience is brought to a user, and the sales volume of the dewatering machine is also improved.

The utility model discloses a plasticizer dewatering device which comprises a dewatering box, the top of the dewatering box is fixedly connected with a feeding pipe, a main motor, a booster pump and a drying box, the feeding pipe is located on the left side of the main motor, the booster pump is located in front of the main motor, and the drying box is located on the right side of the main motor. A main shaft is rotationally connected to the interior of the dewatering box, and stirring blades are fixedly connected to the circumferential surface of the main shaft. By arranging a dehydration box, a main motor, a booster pump, a drying box, a main shaft, stirring blades, an air pressure sensor, a partition plate, a heating plate and a microwave generator, the microwave generator is arranged on the dehydration box, the heating plate is arranged in the dehydration box, and the booster pump is arranged at the top of the dehydration box, so that the interior of the dehydration box is pressurized and heated; therefore, water is evaporated quickly, the dehydration efficiency of the plasticizer is improved, and the dehydration time is greatly shortened.

The invention relates to the field of agricultural product analysis and detection, and discloses a pretreatment method for determining the ecostoichiometric ratio of strawberry fruits, which comprises the following steps: picking strawberry fruits as a sample, cleaning the sample, and freezing in a refrigerator; slicing the frozen sample; putting the cut sample into a freeze-drying machine for freeze-drying; crushing the cold-dried sample, and sieving to obtain sample powder; and loading the sample powder into a sample bag for subsequent detection. The problem of how to improve the pretreatment efficiency of the sample on the premise of not causing irreversible damage to the sample is solved. According to the method, the strawberry fruits are freeze-dried by using the freeze dryer, so that dehydration is thorough, the pretreatment efficiency of the strawberry fruits is improved, irreversible damage to samples is avoided, and the method has the advantages of being simple to operate, thorough in dehydration, capable of improving the accuracy of analysis and determination results and the like.

The utility model provides fabric slurry dewatering equipment, which relates to the technical field of fabric processing and comprises a dewatering mechanism, the dewatering mechanism comprises a base, a fixing mechanism is arranged at the bottom of the base, and a collecting tank is arranged on the inner wall of a clamping groove formed in the top of the base. Most of slurry is squeezed out through the squeezing effect of the electric telescopic rod of the installed dewatering mechanism, so that when a motor is used for high-speed rotary dewatering subsequently, the dewatering time can be greatly shortened, the production efficiency is improved, most of the slurry can be squeezed out firstly due to the squeezing effect of the electric telescopic rod, and the dewatering efficiency is improved. The power of the motor can be more effectively utilized in subsequent high-speed rotary dewatering, energy resources are saved, and meanwhile, the dewatering equipment combines two modes of extrusion and high-speed rotation, so that the equipment is wider in applicability to different types of fabrics and can better meet diversified requirements on a production line.

The present invention discloses a condenser system for a single insecticide workshop and an implementation method thereof, which belongs to the technical field of condenser systems, and includes an amine evaporation kettle, a chlorination kettle and a vacuum tank, wherein both the amine evaporation kettle and the vacuum tank are provided with a titanium winding condenser; the chlorination kettle is provided with a round-hole graphite condenser; the amine evaporation kettle and the vacuum tank are connected to the titanium winding condenser through a docking device, and the chlorination kettle is connected to the round-hole graphite condenser through a connecting assembly. A condenser system for a single insecticide workshop and an implementation method thereof, by replacing the condenser structure, prolongs the service life of the amine evaporation condenser, saves energy and reduces consumption, reduces the running, bubbling, dripping and leakage of the chlorination condenser, eliminates potential safety hazards, improves the cooling effect of the secondary crystallization vacuum tank, improves the vacuum degree, enhances the concentration effect, reduces the frequency of water changes, ensures the sealing inside the imported head covering shell, prevents leakage, and facilitates disassembly and assembly through the hoop-smashing assembly, thereby improving practicality.

The present invention discloses an inland river jet suction dredging and solidification integrated working boat, comprising a hull, a jet suction device and a dehydration and solidification device, wherein the jet suction device is located at the bow of the hull, a water pump provides working water for the jet suction device, a mud suction pipe of the jet suction device is connected to a flat screen, a mud compartment is located below a discharge port at the bottom of the flat screen, an overflow trough is provided at the tail of the mud compartment, the lower part of the mud compartment is connected to a sedimentation tank of the dehydration and solidification device through a pipeline provided with a mud pump, and the sedimentation tank, dehydrator and centrifuge are all connected to a tailwater tank arranged below them through a water collecting pipe. The inland river jet suction dredging and solidification integrated working boat provided by the present invention adopts the jet suction principle to absorb mud, organically combines an independent marine sludge dehydration treatment device with the hull, so that the working boat has multiple functions such as dredging, sorting, overflow, dehydration and tailwater treatment.

The invention discloses a production device and a production method for regenerated gypsum by using solid waste, and relates to the technical field of gypsum regeneration processing, the production device comprises a crushing bin, a dewatering bin, a transition bin, a compaction bin, a fixed seat and a sliding baffle plate; and the compaction driving unit is installed in the crushing bin, the output end of the compaction driving unit is fixedly connected with a connecting sleeve, the bottom end of the connecting sleeve is fixedly connected with a pressing plate, the pressing plate is in sliding fit with the inner cavity wall of the compaction bin, and a water seepage unit is arranged on the pressing plate. According to the device, the compaction driving unit drives the pressing plate to move in the compaction bin, and the pressing plate generates pressure on the dihydrate gypsum deposition layer in the compaction bin, so that the dihydrate gypsum deposition layer is extruded into a cake shape, the water content of the dihydrate gypsum deposition layer is reduced, the dehydration time of the dihydrate gypsum is shortened in the subsequent heating dehydration process, and the dehydration efficiency of the dihydrate gypsum is improved. In addition, after the dihydrate gypsum is compacted, the size of the dihydrate gypsum is relatively fixed, so that the dihydrate gypsum is convenient to collect.

The invention discloses an eccentric position detection device and method and a washing machine. The washing machine eccentric position detection device is located in the center of the top of a washing machine outer cylinder, a three-dimensional rectangular coordinate system is established with the center of the top of the washing machine outer cylinder as the original point, and the three-dimensional rectangular coordinate system takes the axial direction of the washing machine as the X axis and the direction perpendicular to the tangent plane where the original point is located as the Z axis. A first position and a second position are arranged on the X axis of the rectangular coordinate system, the original point position, the first position and the second position collect dynamic information of an outer barrel of the washing machine in the dehydration process of the washing machine, and the eccentric position generated in the dehydration process of the washing machine is judged according to the collected dynamic information; the rotating speed of the motor is reasonably controlled according to the collected data, a rotating speed curve in the dewatering process is generated, it is guaranteed that rotating speed setting during dewatering of the washing machine is more scientific and reliable, dewatering time is saved, noise generated by vibration of an inner barrel and an outer barrel of the washing machine during dewatering is reduced, and the use experience of a user is improved.

The application provides a rain-sheltered cultivation device for peach rainwater collection, and relates to the field of peach cultivation, which comprises a shed body, the upper end of the shed body is fixedly connected with a roof, the side walls of the shed body are both connected with a collecting groove, the lower end of each of the two collecting grooves is provided with a return pipe, and the lower end of each of the two return pipes is fixedly connected with a water storage tank. The rain-sheltered cultivation device for peach rainwater collection provided by the application drives the brush teeth of the driving plate brush to scrape and clean the steel wire filter screen on the collecting groove through the driving shaft, the top rod on the driving plate brush lifts the upper protruding block to drive the sliding of the sealing plate, the collecting box is automatically in the open state, so that the scraped impurities can automatically fall into the inside of the collecting box; the built-in rotating drum is driven to rotate through the output end of the auxiliary motor, the water on the fallen leaves and other impurities is separated through the separation net in the arc-shaped slot at the lower end of the built-in rotating drum by centrifugal force, and the fallen leaves and other impurities can be quickly dried and dehydrated.

The invention discloses a microwave drying sample preparation method of a copper-nickel sulfide ore pulp sample, which comprises the following steps: S1, microwave dehydration: putting a wet ore pulp sample into a microwave drying unit, and drying until the water content of the sample is reduced to below 1%; s2, intermediate crushing and division: putting the dried sample into an intelligent double-roller crushing and division machine, crushing until the particle size is less than 2mm, and performing division, so that the recovery rate is greater than 99%; s3, fine crushing and sweeping; and S4, analysis and detection: carrying out elemental chemical analysis on the prepared sample. According to the invention, the dehydration time is greatly shortened, meanwhile, the sample deterioration is avoided, the dried sample is treated by the intelligent double-roller crushing division machine and the intelligent crusher with a self-cleaning function, the efficient and automatic sample preparation is realized, and finally, the sample meeting the analysis requirement is obtained; the technical problems that a traditional method is low in efficiency, large in labor intensity and prone to overheating in concentrate drying and the like are solved, and rapid and accurate detection guarantee is provided for mineral separation production.

The invention relates to the technical field of lithium ion battery positive electrode materials, in particular to a dehydrated material and a preparation method thereof, a positive electrode material and a preparation method thereof, and a lithium ion battery. The dehydration material mainly comprises a nickel-cobalt hydroxide precursor material and a lithium source; the apparent density of the dehydrated material is 0.75-1.5 g / cm < 3 >; the mass fraction of water in the dehydrated material is less than 0.4 wt%. The dehydrated material provided by the invention is low in moisture content and high in apparent density, and the loading capacity in the subsequent pre-sintering or sintering process can be improved. Meanwhile, the water content in the dehydrated material is low, so that the yield of water vapor in the subsequent pre-sintering and sintering processes is obviously reduced, and the electrochemical performance of the positive electrode material is improved; and adverse effects on the kiln are also avoided.

The utility model discloses a hot mill metal plate blank reversing mechanism which comprises a fixing cylinder, the inside of the fixing cylinder is designed to be of a hollow structure, a threaded lead screw is installed at the bottom end in the fixing cylinder through a bearing, a jacking cylinder is arranged outside the threaded lead screw in a sleeved mode, and the jacking cylinder is in threaded connection with the threaded lead screw. The jacking cylinder is arranged in the fixed cylinder and slidably connected with the fixed cylinder, an upper mounting plate is fixedly mounted at the top end of the jacking cylinder, a motor shell is fixedly mounted on the upper surface of the upper mounting plate, a reversing motor is fixedly mounted in the motor shell, and an output shaft of the reversing motor penetrates out of the upper surface of the motor shell to be fixedly connected with a rotary table. According to the plate blank reversing mechanism, the screw rod and the jacking cylinder are used in cooperation, a plate blank can be lifted, and after being lifted, the plate blank is subjected to rotating reversing through the reversing motor, so that the safety and the stability during reversing can be improved; and the process operation of rapid lifting and reversing can be met through mechanical reversing operation.

The application relates to the technical field of washing machine dehydration control, and provides a dehydration control method of a washing machine, which comprises the following steps: presetting k gears; determining a target rotating speed and a target eccentricity upper limit according to a target gear of dehydration; entering a target gear access control stage: under the condition that the actual front-end correction execution times are less than or equal to the front-end correction upper limit, cyclically executing front-end correction and updating the actual eccentricity; if the actual eccentricity is less than or equal to the target eccentricity upper limit, the washing machine is dehydrated at the target rotating speed; if the front-end correction actual execution times are greater than the front-end correction upper limit and the actual eccentricity is greater than the target eccentricity upper limit, a highest safety gear decision stage is entered: a highest safety gear is found, and the eccentricity upper limit of the next gear of the highest safety gear is less than the actual eccentricity and is less than or equal to the eccentricity upper limit of the highest safety gear. The application solves the technical problem of poor dehydration effect of a traditional washing machine.

An efficient concentration and dehydration process for a triphenylphosphine crude product belongs to the field of triphenylphosphine dehydration, and comprises the following steps: S1, adding an entrainer into the triphenylphosphine crude product, the weight ratio of the entrainer to the triphenylphosphine crude product being (1-2): 1, and the entrainer being formed by mixing normal hexane and toluene according to 1: 1; s2, putting the mixture obtained in the step S1 into a distillation kettle, and heating until the azeotropic temperature is 70-85 DEG C; s3, controlling the distillation pressure to be normal pressure, azeotropic for 1-2 hours, and boiling off the entrainer and water to obtain a triphenylphosphine solution; s4, enabling the triphenylphosphine solution subjected to azeotropic dehydration to pass through a dynamic adsorption device, and filling an adsorption tower of the dynamic adsorption device with a modified molecular sieve as an adsorbent; through a combined process of azeotropic distillation, dynamic adsorption and short-path molecular distillation, the water content in the triphenylphosphine crude product can be remarkably reduced, the purity is improved, and the quality of the final product is ensured to reach a high standard.

The present invention discloses a split launching supporting device and launching construction method applied to a very small launching well, which solves the problems of difficult construction and low work efficiency of launching devices of very small launching wells in the prior art. The present invention includes a main engine, a segment assembler and a screw conveyor. A first track and a second track are provided at the bottom of the launching well. A segment transfer platform or a slag bucket car is provided on the first track. One end of the segment transfer platform is connected to a second winch arranged inside the main engine, and the other end is connected to a first winch arranged outside the launching well. A lifting platform is provided on the second track. A slag discharge box is provided at the slag discharge port of the screw conveyor, and the slag discharge box is connected to the lifting platform. The segment transfer platform of the present invention cooperates with the first winch and the second winch to complete the 90° rotation of the segment and the transportation of the segment, reduce the segment transportation time and rotation time, and improve work efficiency and transportation flexibility.

The invention provides a flushing water filtering device for filter paper production. The flushing water filtering device comprises a machine base, a shell, a filtering mechanism and a driving mechanism, a water collecting tank is arranged below the machine base and is used for collecting separated flushing water; the shell is arranged on the machine base, a cavity is formed in the shell, and a water outlet communicated with the water collecting pool is formed in the lower portion of the shell. The filtering mechanism is located in the cavity and rotationally connected with the shell, the filtering mechanism is provided with a spiral pipeline, a feeding port and a discharging port are formed in the two ends of the spiral pipeline respectively, and the inner diameter of the spiral pipeline is gradually reduced in the direction from the feeding port to the discharging port; the driving mechanism is arranged on the machine base, and the output end of the driving mechanism is connected with the spiral pipeline and used for driving the spiral pipeline to rotate. According to the flushing water filtering device for filter paper production, the recycling amount of flushing water can be increased, and recycling of water resources is facilitated; and the drying degree of the separated filter paper residues can be improved, the dehydration time of the filter paper residues is shortened, and the production efficiency is improved.

The invention discloses a negative pressure suction filtration type cyanidation gold extraction system and a control method thereof. And a negative pressure chamber is arranged below the leaching pool through a filter plate. The upper end of a connecting container of the negative pressure manufacturing device is connected with a negative pressure chamber, and the lower end is connected with the upper end of an L-shaped pipe. And the lower end of the L-shaped pipe is sequentially connected with a water tank and a water pump. The water tank is provided with an air pressure communicating pipe and a liquid level meter. A plurality of slurry making pipes are connected to the bottom of a water distribution box of the boiling slurry making device, a fluid inlet pipe is connected to one side, and the tail end of the fluid inlet pipe is used for being connected with a barren liquor submersible pump or a clean water pump or an air compressor. And a crane used for filling and digging gold-bearing ores and hanging the boiling slurry making device in the leaching process is arranged above the leaching pool. The leaching efficiency and the washing efficiency are improved, and the water content of the cyanogen residues is reduced; the investment cost of a cyaniding gold extraction system is reduced, the operation efficiency is improved, and the process index is improved.

The invention relates to the technical field of textile processing equipment, in particular to a textile fabric desizing and cleaning treatment device. Comprising a machine box, a plurality of sets of pressing wheel pieces are arranged in the feeding direction of the interior of the machine box, a cleaning channel is formed in the left side of the machine box, fabric enters from the upper portion of the cleaning channel, the right side of the cleaning channel extends out, the displacement direction of the fabric in the middle area is opposite to the water flow direction, and a plurality of side punching assemblies are arranged on the upper surface and the lower surface of the middle of the cleaning channel respectively. The side punching assemblies on the upper surface and the lower surface are arranged in a staggered mode. A drying assembly is arranged on the right side of the machine box. A traditional cleaning mode is changed, the internal structure is simplified, the requirement for the occupied area is reduced, meanwhile, air is matched with relative extrusion, the dehydration effect is improved, and the machining requirement is met.