29results about How to "Reduce residual" patented technology

The invention relates to the technical field of medical instruments, in particular to a multi-layer ultra-light hernia patch which comprises a large-mesh electrostatic spinning tissue ingrowth layer, a mesh woven base material layer and an anti-adhesion layer which are sequentially connected in a stacked mode. Wherein after the large-mesh electrostatic spinning tissue ingrowth layer is implanted into a human body, a cell microenvironment can be better simulated, cell adhesion, differentiation and migration are facilitated, uniform distribution of newborn cells in the fiber direction of an electrospinning membrane is promoted, granulation tissues uniformly ingrow in a defect part, and the electrospinning fiber membrane and the tissues are cooperatively repaired; secondly, the middle layer can provide supporting performance and mechanical performance of the patch in the early stage for the patch, the defects of the electrospinning fiber membrane in the supporting performance and the mechanical performance are overcome, the long-term implantation amount of the patch after later degradation is greatly reduced, and the foreign body sensation is obviously reduced; the anti-adhesion layer also adopts the electrostatic spinning technology, and the anti-adhesion effect is achieved by selecting materials and regulating and controlling the porosity, the aperture and the fiber diameter of the electrospun fiber membrane.

The invention relates to the technical field of lithium ion batteries, in particular to an electrolyte, a preparation method thereof, an injection method and a lithium ion battery, the electrolyte comprises a first electrolyte for first injection and a second electrolyte for second injection, the first electrolyte comprises a first solvent, a first lithium salt and a first additive, the second electrolyte comprises a second solvent, a second lithium salt and a second additive, the first electrolyte comprises a first solvent, a first lithium salt and a first additive, the second electrolyte comprises a second solvent, a second lithium salt and a second additive, the mass percentage of the second electrolyte in the electrolyte is 5-20%, the first additive comprises dimethyl sulfide and vinylene carbonate, and the second additive comprises triphenyl phosphate and vinylene carbonate. According to the electrolyte, the first additive comprises dimethyl sulfide, and the second additive comprises triphenyl phosphite, so that the bad problems of high-temperature gas production and negative electrode interface black spots in the use process of a lithium-rich material lithium supplementing agent are solved.

The present invention relates to the field of devices for film lamination, specifically an automatic laminating device for aluminum-based copper-clad laminates, wherein a defoaming mechanism comprises: a control rod rotatably connected to a frame mechanism; a moving frame threadedly connected to the reciprocating threads of each control rod; a moving frame slidably connected to the moving frame; a pressure wheel group rotatably connected to the moving frame; a slot plate fixedly connected to the frame mechanism; and a guide shaft fixedly connected to the moving frame. The present invention is provided with a pressure wheel group capable of moving along a specific trajectory from the middle to both sides, so that the pressure wheel group discharges bubbles from the middle to both sides, thereby improving the defoaming effect of the present invention on the aluminum-based copper-clad laminate after lamination, and reducing the residual bubbles as much as possible; and a large pressure wheel and a small pressure wheel are provided to cooperate in defoaming treatment, and the small pressure wheel is first contacted with the bubbles, so that the bubbles can be segmented and refined before elimination treatment, thereby improving the ability of the pressure wheel group to treat bubbles, and further improving the defoaming effect of the present invention on the aluminum-based copper-clad laminate after lamination.

The utility model discloses a mixing and stirring device for fertilizer processing, and relates to the technical field of fertilizer processing, the mixing and stirring device comprises a barrel body, one end of the barrel body is provided with a discharge port, the outer surface of the barrel body is rotatably provided with a maintenance door, the upper end of the barrel body is provided with a first motor, one end of the first motor is provided with a protection plate, and the other end of the first motor is provided with a second motor. The protective plate can well protect and support the first motor, a reinforcing shaft is fixedly arranged at the output end of the first motor, a rotating shaft is fixedly arranged at the lower end of the reinforcing shaft, a plurality of fixing blocks are fixedly arranged on the outer surface of the rotating shaft, and a rotating column is rotationally arranged at one end of the opposite face of every two adjacent fixing blocks. According to the mixing and stirring device for fertilizer processing, the stirring structure can swing up and down, the stirring and mixing effect on fertilizer raw materials is good, intermittent feeding of the two raw materials can be carried out, and therefore feeding work can be carried out more evenly, and the mixing efficiency is high.

The utility model relates to the technical field of livestock breeding equipment, in particular to an auger device for a vertical TMR preparation machine, which comprises a rotating shaft and spiral blades, the spiral blades comprise an upper spiral blade and a lower spiral blade, the outer edge of the upper spiral blade is provided with equal-diameter spirals, the top end of the upper spiral blade is connected with the bottom end of the upper spiral blade, and the bottom end of the lower spiral blade is connected with the rotating shaft. The outer side edge of the lower spiral blade is a spiral with the downward tangent slope gradually increasing along the spiral, the outer diameter of the spiral at the bottommost portion of the lower spiral blade reaches the maximum, and the size of the outer side edge of the lower spiral blade in the radial direction is larger than that of the upper spiral blade. According to the auger device, through the upper spiral auger blade with the equal spiral outer diameter and the lower spiral auger blade with the gradually-increased and irregular spiral outer diameter, when materials fall onto the spiral auger, the arching phenomenon does not occur, the lifting effect of the materials is guaranteed, and the full-time food preparation efficiency is improved.

A fruit and vegetable food preservation device based on a composite polysaccharide film, relating to the field of fruit and vegetable food processing technology, includes a first inclined plate (1) and a second inclined plate (6) disposed at the lower inclined end of the first inclined plate (1). The first inclined plate (1) and the second inclined plate (6) are both fixedly connected to the base plate (7) by support columns. A U-shaped frame plate (601), a dispensing mechanism (4) and a heat sealing mechanism (5) are arranged sequentially above the second inclined plate (6) from the upper inclined end to the lower inclined end. The bottom surfaces of both ends of the U-shaped frame plate (601) are fixedly connected to the second inclined plate (6). The dispensing mechanism (4) includes an L-shaped plate (401), a partition plate (402) and a first heating strip (403). Multiple partition plates (402) are arranged in a horizontal array on one side of the opening of the L-shaped plate (401). The upper ends of multiple partition plates (402) are fixedly connected to the same crossbar (4022). The device can quickly and efficiently encapsulate composite polysaccharide films in fruit and vegetable processing, and can also quickly wipe and dehydrate fruits and vegetables after washing, ensuring thorough cleaning and effectively improving the freshness of fruit and vegetable products.

The utility model relates to the technical field of glass substrates, and aims to solve the problem that in the prior art, when a plastic film is used for winding a glass substrate and a packaging frame of the glass substrate, static electricity of the film and static electricity generated in the winding process are conducted to the packaging frame of the glass substrate and the glass substrate, and the downstream panel manufacturing process is affected. The glass substrate packaging and static electricity removing device comprises a thin film winding machine, a winding film winding drum is installed on the thin film winding machine, a winding film is wound on the winding film winding drum, an ion wind bar is installed at the winding transmission traction tail end of the winding film and used for removing static electricity, and the winding film subjected to static electricity removing is stretched to a glass substrate packaging frame. The winding device is used for winding a glass substrate and a glass substrate packaging frame; the ion wind bar can eliminate static electricity carried by the wrapping film and static electricity generated by stretching and friction in the packaging process, attachment and remaining of the static electricity on the glass substrate and the glass substrate packaging frame are reduced to the maximum degree, and the downstream panel manufacturing procedure is prevented from being affected.

The embodiment of the utility model discloses a film pasting tool which comprises a clamping frame, a pressing edge is arranged on the surface of the top of the clamping frame, and the thickness of the pressing edge is gradually increased from one end to the other end. According to the application, by utilizing the gradually thickened pressing edge, the tempered film and the mobile phone screen can be kept to have an inclination angle and are gradually contacted when being pasted, so that the film can be conveniently pasted while exhausting is carried out, the residual gas between the tempered film and the mobile phone is very little, and the operation efficiency is relatively high; the pressing edges which are gradually thickened are utilized, the limiting opening formed between the pressing edges can just limit the tempered film, one end of the tempered film abuts against the thicker ends of the pressing edges in the limiting opening, then the tempered film is slowly pasted, accurate film pasting of the tempered film can be effectively achieved through the film pasting tool under the condition that no release film is matched, and the film pasting tool is very convenient to use; and the condition that a film pasting tool cannot be used after the release film is torn off through misoperation is avoided.

The application discloses a kind of carbon black granulating equipment, it is related to carbon black granulating technical field, including conveying cabin and granulating equipment, the granulating equipment is assembled in the middle area of conveying cabin, and the top end of granulating equipment is connected with steam pipeline, the top of conveying cabin is connected with raw material inlet, the inside of conveying cabin is movably equipped with auger blade.The carbon black granulating equipment, by the cooperation of cold air unit and second connecting pipe and air inlet pipe and through opening, so that the carbon black granulating equipment in the working process, cold air unit preparation wind beam, and wind beam is input into air inlet pipe by second connecting pipe, wind beam in air inlet pipe is sprayed through through opening, act on the carbon black particles that will be output in conveying cabin, cooperate with the output of output pipe auxiliary carbon black particles, avoid carbon black particles to adhere in the inner wall of conveying cabin or the outside of auger blade, to reduce the residue of carbon black particles in equipment, improve the output effect of product in equipment.

The full-automatic powder bale breaker comprises a bottom plate, an air cylinder, a lifting rod, a containing plate and an adjusting rod, a motor is welded to the end, close to the air cylinder, of the bottom plate, a rotating shaft is welded to one end of the motor, propelling blades are welded to the outer surface of the rotating shaft, a shell is welded to the upper surface of the bottom plate, and clamping plates are welded to the two sides of the top end of the shell. The upper surface of the clamping plate is provided with a slideway, the upper surface of the slideway is provided with a small sliding block, the inner wall of the small sliding block is sleeved with a threaded rotating rod, the outer surface of the shell is provided with a sliding hole, the bottom end of the shell is welded with a bearing plate, and one end of the bearing plate is welded with an outlet; by improving the full-automatic powder bale breaker, the full-automatic powder bale breaker has the advantages that the structural design is reasonable, when the full-automatic powder bale breaker is used, the machine can automatically shake, residual powder in a bag is reduced, a channel opening is not prone to being blocked when discharging is conducted, and full automation of the machine is achieved, so that the problems and defects of an existing device are effectively solved.

The invention discloses a multi-level spraying device for composite planting of soybean and corn, which relates to the technical field of agricultural machinery, including a spraying vehicle body, on which a first spraying component for spraying corn plants and a second spraying component for spraying soybean plants are arranged; the first spraying component includes a flip frame rotatably connected to the front end of the spraying vehicle body, and a motor is fixedly installed on the top of the spraying vehicle body. The invention controls the motor to work, drives the flip frame to rotate, so that the flip frame is tilted, so that the spraying area of ​​the first spraying component is pushed forward, and keeps a relatively long distance from the cab, while the spraying rod is always vertically downward under the action of the transmission component, and a plurality of first nozzles are installed on the axial direction of the spraying rod, which can realize multi-level spraying of corn plants at different heights during operation, thereby avoiding the situation that the medicine can only be gathered at the upper end of the plant, and improving the spraying effect of the medicine.

The utility model discloses a powder feeder for a powder tank, which comprises a hollow sealing seat connected with an opening of a carbon powder tank, a connecting frame is arranged at the lower end of the hollow sealing seat, and a sealing component is movably arranged in the hollow sealing seat. The carbon powder conveying device is characterized in that at least one stirring piece capable of stirring carbon powder in the carbon powder tank so as to enable the carbon powder to be smoothly conveyed out is arranged on the outer side of the connecting frame. The utility model aims to overcome the defects in the prior art, and provides the powder feeder for the powder tank, which is simple in structure, and can effectively stir the carbon powder at the outlet of the carbon powder tank, so that the carbon powder can be smoothly sent out, the residual amount in the carbon powder tank is effectively reduced, and the utilization rate of the carbon powder is effectively improved.

The invention discloses a parallel timing synchronization method for satellite-ground high-speed data transmission, and belongs to the technical field of satellite communication. The method comprises the following six processing steps: interpolation, interpolation point marking, data rearrangement, clock error extraction, loop filtering, numerical control oscillation and the like. The method is suitable for satellite-ground high-speed data transmission, has the capability of realizing timing synchronization under the condition that the symbol rate is far higher than the working frequency of a chip, and is low in resource overhead, low in implementation difficulty of whole-process processing, high in flexibility, high in processing speed and efficiency and small in residual error after compensation.

The invention relates to the technical field of wastewater treatment, in particular to a heavy metal capturing agent and a preparation method and application thereof. The heavy metal capturing agent provided by the invention comprises a compound with a structure as shown in a formula (I) and ferrous sulfide, and in the formula (I), R1 is C1-C6 alkylene. The heavy metal capturing agent is formed by using a compound of double-active sulfur atoms and acrylamide groups with strong chelating property and ferrous sulfide, heavy metals are chelated by using the double-active sulfur atoms, and the chelated heavy metals are flocculated by using good flocculability of the acrylamide groups; meanwhile, ferrous sulfide is oxidized in water to form ferric hydroxide with a coagulation effect, heavy metal is further flocculated and settled, the settling rate and removal efficiency of the heavy metal are improved, meanwhile, hydroxyl free radicals generated by the ferrous sulfide can degrade organic complexing ligands, the complexing property of wastewater is reduced, and the heavy metal removal efficiency is improved. The complexing agent is prevented from being continuously complexed with subsequent heavy metal.

The invention relates to the technical field of fire hose detection, and discloses fire hose detection equipment which comprises a detection seat, a water receiving opening is formed in one end of the detection seat, a fire hose body is arranged on the detection seat, and a water inlet connector and a water outlet connector are arranged at the two ends of the fire hose body respectively. The water inlet connector is in threaded connection with the water receiving opening, an L-shaped supporting frame is arranged on the detection base, a moving assembly used for adjusting the horizontal position of the L-shaped supporting frame is arranged on one side of the detection base, and a mounting plate is arranged below the L-shaped supporting frame. An electric push rod for adjusting the height position of the mounting plate is fixed on the L-shaped support frame; according to the fire hose drying device, the exhaust valve can be automatically sealed, it can be avoided that leakage occurs when a fire hose body is tested, so that the accuracy of test data is affected, the fire hose can be automatically flapped conveniently when being wound, moisture in the fire hose can be reduced, and therefore the drying efficiency is improved.

The invention belongs to the technical field of rare earth preparation, and particularly relates to a mixing, clarifying and extracting tank for rare earth separation, the mixing, clarifying and extracting tank comprises a support, a top cover and a mixing chamber, the top cover is jointly mounted between a horizontal section and a vertical section above the support, the mixing chamber is mounted on the front side of the lower end of the support, and meanwhile, the mixing, clarifying and extracting tank is provided with a moving mechanism, a stirring mechanism and a tidying mechanism; a first fan blade and a second fan blade conduct graded stirring and preliminary shearing on a mixed phase in the mixing chamber, meanwhile, an arc-shaped cutting plate is matched with fins to conduct further shearing and crushing on the mixed phase, the contact area between phases is increased, mixed mass transfer between the phases is facilitated, and the mixing efficiency is improved. And then the residual extraction machine on the inner wall of the mixing chamber is scraped and cleaned through a rotating plate, a telescopic scraping plate, a trapezoidal scraping plate and a telescopic cleaning plate, the method has important significance on maintaining the pH environment for rare earth preparation, and then the rare earth preparation efficiency and purity are improved.

The utility model belongs to the technical field of animal husbandry equipment, and provides an excrement cleaning and shoveling device which comprises a material gathering shoveling box, a material shoveling opening is formed in the front side of the material gathering shoveling box, and a material discharging opening is formed in the rear side of the material gathering shoveling box; the material picking guide mechanism comprises an expanding and gathering plate and an opening degree adjusting unit, the expanding and gathering plate is movably arranged at the material shoveling opening, the two ends of the opening degree adjusting unit are connected with the material gathering shovel box and the expanding and gathering plate respectively, and at least one end of the opening degree adjusting unit is movably connected with the material gathering shovel box and the expanding and gathering plate; and the material collecting mechanism is arranged in the material collecting shovel box and is used for collecting and gathering the manure shoveled in from the material shoveling opening to the discharge opening. According to the dung cleaning and shoveling device, the shoveling width can be adjusted according to the width of a dung channel of a pasture, dung is prevented from being left on the two sides, the dung cleaning and shoveling device is good in dung cleaning and shoveling effect and wide in application range, the requirements of different clients are met, the dung cleaning efficiency is effectively improved, and the labor intensity of workers and the dung cleaning cost are reduced.

This application discloses a method and apparatus for predicting and controlling dissolved gas precipitation at the end of brine discharge in a salt cavern gas storage facility, comprising the following steps: acquiring basic data required for prediction and control at the end of brine discharge; establishing or calling a table of equilibrium solubility data of the stored gas in the brine based on the composition, pressure, temperature, and salinity of the stored gas; determining the initial dissolved gas state of the brine at the interface, using the boundary condition that the brine and stored gas reach dissolution equilibrium at the gas-liquid interface of the salt cavern; establishing a coupled calculation model of dissolved gas precipitation and wellbore gas-liquid two-phase flow during the brine return process to predict the gas phase volume fraction of the fluid returning from the wellhead; generating a safe operating envelope diagram of back pressure-discharge rate at different gas-liquid interface positions, using the wellhead back pressure as the main control variable and the brine discharge flow rate as the auxiliary correction variable, with the wellhead back pressure as the main control variable and the brine discharge flow rate as the auxiliary correction variable; and outputting a suggested point for terminating brine discharge when any wellhead safety constraint cannot be met.

The application discloses a kind of composite microbial inoculant for promoting low-temperature decomposition of rice straw, microcapsule and its preparation method and application, belong to microbial inoculant technical field.The composite microbial inoculant is composed of Sphingobium strain b362:SSTF3, Paecilomyces strain f206:SSTF1 and Flavobacterium strain BB-43, and the volume ratio of the three bacteria liquids is preferably 0.377:0.397:0.226.The microcapsule composite inoculant is formed by embedding the low-temperature composite bacterial system as active component with sodium alginate-chitosan composite wall material;Wherein, sodium alginate is crosslinked to form gel beads by Ca 2+ Chitosan is coated on the surface of the gel beads.During preparation, the mixture of sodium alginate-composite bacteria liquid containing the low-temperature composite bacterial system is dropped into calcium chloride solution to crosslink into balls, and then coated with chitosan solution to obtain the microcapsule composite inoculant.

The utility model belongs to the technical field of animal husbandry equipment, and provides an excrement cleaning device for an excrement cleaning truck, which comprises a gathering mechanism, and the gathering mechanism comprises a horizontally arranged material gathering box and a material gathering auger rotatably arranged in the material gathering box; the collecting and conveying mechanism comprises a material conveying barrel which is obliquely arranged and a material conveying auger which is rotatably arranged in the material conveying barrel; the bottom end of the material conveying barrel is fixedly connected and communicated with the material gathering box; the axis of the material conveying auger is perpendicular to the axis of the material gathering auger in different planes, and the bottom end of the material conveying auger is located below the material gathering auger. According to the excrement cleaning device for the excrement cleaning vehicle, accumulation and blockage of excrement in the excrement cleaning process can be effectively avoided, residues of the excrement in the excrement cleaning device are reduced, the excrement is cleaned completely and thoroughly, the excrement cleaning effect is good, and the excrement cleaning efficiency is high.

The utility model relates to the technical field of food processing equipment, in particular to a blanching machine for dehydrating bone-removed chicken feet, which comprises a shell, a dewatering mechanism is arranged in the shell and comprises a supporting frame, the supporting frame is rotationally connected to the bottom end of the shell, the supporting frame is sleeved with a dewatering cylinder, the dewatering cylinder is of a net structure, the tail end of the supporting frame is fixedly connected with two transmission gears, and the two transmission gears are arranged in the dewatering cylinder. The two transmission gears are arranged in a mutually meshed mode. The chicken feet can be dehydrated after being peeled through the arranged dehydration mechanism, so that residual blanching water on the surfaces of the chicken feet is treated, the residual amount of water on the surfaces of the chicken feet is reduced, and the situation that the storage effect and the quality of the stored chicken feet are affected due to excessive accumulated water when the treated chicken feet are stored is avoided; and the peeling mechanism and the dewatering mechanism can be synchronously driven through the arranged linkage type processing structure, so that the processing efficiency of the chicken feet is improved.

This utility model provides an organic fertilizer preparation device for vegetable planting, including a mixing box. The mixing box has an inlet on one side of its top and two outlets at its bottom. An inner wall of each outlet has a receiving groove containing a sealing component that cooperates with the outlet. A mixing motor is fixedly connected to the top center of the mixing box. This utility model has the following advantages: Through the design of the adjustment mechanism, when mixing the organic fertilizer, the rubber scraper on the side of the side rod can be driven away from the inner wall of the mixing box, avoiding repeated friction and wear between the rubber scraper and the inner wall of the mixing box during mixing. When it is necessary to scrape the organic fertilizer off the inner wall of the mixing box, the rubber scraper on the side of the side rod can be driven to abut against the inner wall of the mixing box, thus facilitating the scraping of the organic fertilizer off the inner wall of the mixing box when the side rod rotates.

The invention relates to the technical field of satellite navigation, and discloses a method for smooth analysis of precise point positioning by using variable-step RTS, which comprises the following steps of: firstly, acquiring required observation data and product data through international GNSS (Global Navigation Satellite System) service; performing preliminary state estimation on the observation data and the product data by using a Kalman filtering algorithm; according to real-time state evaluation and noise estimation, dynamically adjusting the step length delta t of smoothing processing; rTS smoothing is carried out in combination with future state estimation; in the RTS smoothing process, parameters are adjusted to cope with changes in different environments and motion states; the invention aims to dynamically adjust the smoothing parameters according to different environments and motion states through a self-adaptive variable step size strategy, thereby remarkably improving the performance and accuracy of a precise point positioning system in a complex environment. Through the improved algorithm, dynamic change and noise interference can be better handled, and a new solution is provided for high-precision positioning.

The utility model relates to a kind of multi-way valve structure suitable for trace liquid medicine delivery and its trace liquid medicine delivery system, including valve body and valve core. Valve body is provided with several circumferential interfaces, valve core is rotatably installed in valve body, valve core is provided with selection interface, by rotating valve core, the communication or cut-off of the central interface of valve body and circumferential interface is realized, control liquid medicine delivery passage. The inner diameter of all interfaces of multi-way valve is adapted to trace liquid medicine delivery pipeline, to avoid the problem of reducing diameter. The utility model also provides a kind of trace liquid medicine delivery system, including above-mentioned multi-way valve structure and related container and power execution device.

The invention discloses a medium-thickness plate non-straight position calculation and flattening method based on three-dimensional visual reconstruction. Point cloud data of the surface of a medium-thickness steel plate is obtained through three-dimensional visual scanning and preprocessed, an improved fitting algorithm is used for three-dimensional reconstruction of the steel plate, and an optimal three-dimensional curved surface equation is obtained through optimization by combining a genetic algorithm with a nonlinear least square method. And calculating non-straight position parameters according to the three-dimensional curved surface equation, wherein the non-straight position parameters comprise a bending extreme point, a cushion block position point, the bending curvature of the extreme point and the like. Then, according to the position parameters, designing an intelligent flattening amount calculation model in combination with the bending curvature at the extreme point to calculate flattening parameters. And finally, parameters are optimized through a deep learning model, and a flattening machine is guided to perform flattening operation on the non-straight position in combination with closed-loop control. According to the method, accurate three-dimensional reconstruction of the medium-thickness steel plate is achieved through a high-precision three-dimensional visual scanning technology in combination with an improved fitting algorithm, an intelligent flattening amount calculation model and a deep learning model are introduced to accurately calculate the non-straight position and flattening parameters, and the flattening precision and efficiency are improved.

The utility model relates to a high-efficiency horseshoe bursting bead production device which comprises a cylinder body, the top of the cylinder body is concaved inwards to form a circular groove used for storing horseshoe bursting bead solution, a plurality of through holes used for titration are evenly distributed in the bottom of the circular groove, and the top of the cylinder body is connected with a dustproof cover used for adjusting the titration speed. The outer side wall of the barrel is connected with a supporting frame. The utility model relates to the technical field of horseshoe blasting bead production. According to the high-efficiency horseshoe blasting bead production device, the dustproof cover is arranged at the top of the barrel, dust can be prevented from entering the circular groove to pollute horseshoe blasting beads, and the dripping speed of a horseshoe blasting bead solution can be adjusted by adjusting the air inflow of the dustproof cover; the production efficiency of the horseshoe popping beads is guaranteed, meanwhile, the situation that the horseshoe popping bead solution cannot form a sphere shape due to too large flow is avoided, and the horseshoe popping bead production device is more practical.

The utility model belongs to the technical field of battery diaphragm production equipment, and discloses battery diaphragm liquid removal equipment and a battery diaphragm production system. The battery diaphragm liquid removal equipment comprises a first liquid removal device, a second liquid removal device and at least one first traction roller. The first traction roller extrudes the first face of the diaphragm. The first liquid removing device is located at the rear ends of all the first traction rollers in the diaphragm moving direction and comprises a second traction roller and an air blowing mechanism, the second traction roller abuts against the second face of the diaphragm, and the air blowing mechanism is correspondingly arranged on one side of the second traction roller and used for blowing off liquid on the surface of the diaphragm. The second liquid removing device is located at the rear end of the first liquid removing device in the moving direction of the diaphragm, the second liquid removing device comprises two liquid absorbing rollers, the two liquid absorbing rollers are located on the two sides of the diaphragm respectively, and the liquid absorbing rollers can absorb liquid on the surface of the diaphragm. The battery diaphragm liquid removal equipment can reduce liquid residues on the surface of the diaphragm, realizes uniform liquid removal, and has a good liquid removal effect.

The invention discloses polyester filament yarn POY spinning oil containing low-acid-value and high-flash-point alkyl-terminated polyether and a preparation method of the polyester filament yarn POY spinning oil, and relates to the technical field of spinning. According to the technical scheme, the anti-static agent comprises the following components in percentage by mass: 50-70% of polyether, 20-40% of an emulsifier, 1-3% of an anti-static agent, 5-21% of a bundling agent and 4-15% of an additive, wherein the acid value of the polyether is less than 0.03 mgKOH / g, and the flash point is more than 245 DEG C. Compared with the traditional end-capped polyether spinning oil, the polyester filament yarn POY spinning oil prepared by the invention has the advantages of good thermal oxidation stability, less fuming amount and difficulty in coking.

The application discloses a nonlinear anti-disturbance method of a proportional valve-controlled motor system considering valve dynamic compensation, effectively combines an interference suppression method and an interference estimation compensation method, inherits the respective advantages of the two methods while avoiding the respective shortcomings, considers valve dynamics and approximates the valve dynamics as a first-order inertia link, and makes the nonlinear model more accurate. Compared with a traditional ESO method, the use of a nonlinear robust controller reduces the observation burden of the ESO and further reduces the observer residual error. Compared with a traditional nonlinear robust control method, the use of the ESO makes the nonlinear robust gain only related to the first-order derivative of the state observation error, and weakens the original severe condition. The tracking performance of the controller is better than that of the nonlinear robust controller and the ESO under the same condition.