80results about How to "Reduce residual" patented technology

The invention relates to the technical field of aluminum ash treatment, in particular to a non-contact cooling and settling tower for pyrogenic treatment of secondary aluminum ash and a cooling method, the non-contact cooling and settling tower comprises a cooling and settling tower body, and the cooling and settling tower body is internally provided with a snake-shaped cooling pipe of a layered structure; the feeding hole and the discharging hole are respectively formed in two sides of the cooling settling tower body; the mounting frame is mounted on the feeding hole in a sliding manner, and two groups of filter plates are detachably mounted on the mounting frame; the switching structure is arranged on the cooling settling tower body and is connected with the mounting frame, the switching assembly can enable the two groups of filter plates to be alternately matched with the feeding hole, so that when one group of filter plates is blocked by impurities, the switching structure can drive the other group of filter plates to be switched to an area matched with the feeding hole, and the other group of filter plates can be switched to an area matched with the feeding hole. Therefore, the impurity filtering effect of the filter plate is improved, the speed of the aluminum ash entering the cooling settling tower body is more constant, and the treatment capacity and effect of the cooling settling tower body are improved.

The invention discloses a multi-layer pesticide spraying device based on soybean and corn composite planting, and relates to the technical field of agricultural machinery, the multi-layer pesticide spraying device comprises a pesticide spraying vehicle main body, the pesticide spraying vehicle main body is provided with a first spraying part used for spraying pesticide to corn plants and a second spraying part used for spraying pesticide to soybean plants; the first spraying part comprises a turnover frame rotationally connected to the front end of the pesticide spraying vehicle body, and a motor is fixedly installed at the top of the pesticide spraying vehicle body. A motor is controlled to work to drive an overturning frame to rotate, so that the overturning frame inclines, a spraying area of a first spraying component is pushed forwards to keep a relatively far distance from a cab, a spraying rod is vertically downward all the time under the action of a transmission component, and a plurality of first nozzles are installed in the axial direction of the spraying rod; during working, multi-layer spraying can be carried out on corn plants at different heights, so that the situation that pesticides only can be gathered at the upper ends of the plants is avoided, and the pesticide spraying effect is improved.

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 invention relates to the technical field of solar cells, in particular to a pyrimidine derivative regulated perovskite solar cell and a preparation method thereof, and the method comprises the following steps: 1, cleaning a conductive substrate; 2, depositing an electron transport layer on the conductive substrate; 3, a lead iodide film is deposited on the electron transport layer, the electron transport layer is coated with a lead iodide precursor solution, then annealing is carried out, the lead iodide film is obtained, the lead iodide precursor solution contains a pyrimidine derivative, and the structural formula of the pyrimidine derivative is shown in the formula 1; 4, depositing a perovskite light absorption layer on the lead iodide thin film; 5, depositing a passivation layer on the perovskite light absorption layer; 6, depositing a hole transport layer on the passivation layer; and 7, depositing an electrode on the hole transport layer. According to the invention, the perovskite can be directionally induced to form the optimal crystal orientation, meanwhile, the residual lead iodide is reduced, and finally, the perovskite solar device with higher photoelectric conversion efficiency is obtained.

The invention discloses a material sampling device for detecting building exterior wall thermal insulation materials, and relates to the technical field of exterior wall thermal insulation material sampling. The device comprises a base plate, an upper surface of the base plate is also fixedly connected with a lifting mechanism, an upper surface of the lifting mechanism is fixedly connected with a sampling box, a drill tube is arranged inside the sampling box, a rotating and extending component is arranged on the sampling box and is used to allow the drill tube to extend into the wall, a speed regulating component is arranged in the sampling box and is used to adjust the rotation speed of the drill tube, a pushing and cleaning component is also arranged in the sampling box and is used to push out the sample object in the drill tube, a knocking and vibration component is also arranged in the sampling box and is used to knock the surface wall of the drill tube to make the drill tube vibrate, and an air blowing and cleaning component is arranged in the sampling box and is used to blow air into the drill tube to clean the sample residue therein, thereby solving the problem that it is not easy to clean the sample residue inside the drill tube.

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 fragile cover comprises structural layers, a functional layer and a pressing plate, the structural layers are in the form of honeycomb layers and skin, the functional layer is arranged between the honeycomb layers of the two structural layers, by means of the structural advantages of the honeycomb layers, the structural weight is reduced, meanwhile, the functional layer is designed to increase rigidity, the stability of the fragile cover is improved, and the service life of the fragile cover is prolonged. In addition, the functional layer has the advantages of being neat in fracture, small in residue and the like, the function layer is beneficial to avoiding an object barrel outlet channel, and interference is prevented. The manufacturing process can be simplified, and the method is suitable for mass production and has the advantages of controllable quality, high reliability and the like.

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 present invention relates to the technical field of fire hose detection, and discloses a fire hose detection device, comprising a detection seat, one end of the detection seat is provided with a water inlet, and the detection seat is provided with a fire hose body, two ends of the fire hose body are respectively provided with a water inlet joint and a water outlet joint, the water inlet joint is threadedly connected to the water inlet, an L-shaped support frame is provided on the detection seat, one side of the detection seat is provided with a moving component for adjusting the horizontal position of the L-shaped support frame, a mounting plate is provided below the L-shaped support frame, and an electric push rod for adjusting the height position of the mounting plate is fixed on the L-shaped support frame; the exhaust valve can be automatically sealed, leakage of the fire hose body can be avoided during the test, thereby affecting the accuracy of the test data, the fire hose can be automatically slapped when it is rolled up, the moisture inside the fire hose can be reduced, and the drying efficiency can be accelerated.

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 present invention belongs to the technical field of purification and recovery of 2-acrylamide-2-methylpropane sulfonic acid, specifically discloses a recovery method of 2-acrylamide-2-methylpropane sulfonic acid, comprising the following steps: S1, adding the recrystallization filtrate to the first container for vacuum distillation, adding a certain weight of stabilizer, distillation temperature 50-80 DEG C, distilling until the material begins to be turbid, and the distillation concentrate is standby; S2, adding an organic solvent in advance into the second container, the weight ratio of the addition amount of the organic solvent to the distillation concentrate is 0.5-3:1; S3, the distillation concentrate is slowly transferred into the second container, crystallization 20-40min, and then cooled to 10-20 DEG C; solid-liquid separation and drying are carried out afterwards to obtain 2-acrylamide-2-methylpropane sulfonic acid products. The product obtained by this method has high purity, good stability and low solvent residue, which effectively solves the technical problems such as the easy stickiness of traditional method materials, low product purity and low yield.

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 invention provides a process method for preparing superfine calcium carbonate and co-producing ammonium sulfate from ardealite, and relates to the technical field of solid waste treatment and carbon dioxide capture and mineralization utilization. The process method for preparing superfine calcium carbonate and co-producing ammonium sulfate from ardealite comprises the following steps: preparing ammonium carbonate for production; the method comprises the following steps: adding ammonia water or a mixture of ammonia gas and water and an additive into a supergravity carbonization reactor, introducing low-concentration carbon dioxide at the same time, and carrying out chemical reaction to form ammonium carbonate; waste residue size mixing, washing and purifying; the method comprises the following steps: crushing and ball-milling waste residues, blending the waste residues with water to form slurry with the solid content of 20-30%, removing impurities in a reverse flotation device, removing organic matters, soluble impurities and fine mud from overflow, pumping residues into a cyclone separator, filtering the slurry flowing out of the bottom of the cyclone separator, and washing the slurry with a proper amount of water in a washing tank. The process system is low in operation cost, and the product quality is greatly improved.

The invention discloses a production process of fougere and soft flavor type white spirit. The production process comprises the following steps: S1, putting sorghum, wheat, rice, glutinous rice and corn, uniformly mixing the put grains with water, moistening the materials, adding rice husks, and steaming the grains to obtain fermented grains; s2, adding white koji and bacterial koji, and carrying out stacking culture saccharification for 24 hours; and S3, mixing wheat bran into the fermented grains subjected to stacking, bacterium cultivation and saccharification obtained in S2, adding high-temperature yeast, aroma-producing yeast, saccharomyces cerevisiae and sauce-flavor functional bacteria, and uniformly mixing. And S4, carrying out high-temperature accumulation saccharification treatment on the fermented grains added with the yeast. And S5, fermenting the fermented grains subjected to high-temperature accumulation and saccharification in a cellar to obtain fermentation liquor. S6, performing distillation treatment on the fermentation liquor to obtain raw wine. And S7, storing and blending to obtain a white spirit product. The bacterial koji and the Maotai-flavor functional bacteria are introduced, so that the capacity of producing ethyl hexanoate in the fermentation process is improved, and the bacterial koji and the Maotai-flavor functional bacteria are coordinated with fermentation condition optimization, so that the Baijiu with strong fragrance, sweet taste and more sweet flavor is produced.

The invention discloses an oil-water separation device based on water-containing crude benzene in a benzene hydrogenation process, relates to the technical field of oil-water separation, and is based on the basic principle of oil-water separation and the density difference of a liquid mixture, and the key is that when a crude benzene product is mixed with production wastewater, the pressure intensity change on an air bag part and the buoyancy change on an air floating bag are changed; the pressure change of the air bag part is mainly used for preliminarily judging the layering state of a liquid mixture, related parameters are provided for the discharge action of production wastewater, and the layering state of two media is further fed back in cooperation with the balance relation between the buoyancy of the air floating bag and the gravity of the balancing weight, so that the layering state of the liquid mixture is determined on the basis. The key point is that the discharge process of the production wastewater is directly controlled according to the judgment result, and the discharge process is used for reducing the residual volume of the production wastewater or the recovery rate of a crude benzene product after the discharge action is completed.

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 present invention relates to a method and device for performing image decoding based on intra-frame prediction in an image coding system. The method for performing image decoding by a decoding device according to the present invention comprises the following steps: deriving an intra-frame prediction mode of a current block; deriving neighboring samples including left neighboring samples and upper neighboring samples of the current block; deriving a reference sample for predicting a target sample among neighboring samples based on the position of a target sample of the current block and a prediction angle of an intra-frame prediction mode; determining an interpolation filter of the target sample; and deriving a prediction sample of the target sample based on the interpolation filter and the reference sample.

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 present invention relates to a method and device for performing image decoding based on intra-frame prediction in an image coding system. The method for performing image decoding by a decoding device according to the present invention comprises the following steps: deriving an intra-frame prediction mode of a current block; deriving neighboring samples including left neighboring samples and upper neighboring samples of the current block; deriving a reference sample for predicting a target sample among neighboring samples based on the position of a target sample of the current block and a prediction angle of an intra-frame prediction mode; determining an interpolation filter of the target sample; and deriving a prediction sample of the target sample based on the interpolation filter and the reference sample.

The utility model relates to the field of engineering machinery, in particular to a concrete mixing truck. Comprising a transportation box, the transportation box is installed on a vehicle body, a feeding port is formed in the top of the transportation box, a discharging port is formed in the bottom of the transportation box, and an inner cavity of the transportation box is used for containing concrete; the stirring mechanism is arranged in the transportation box and used for stirring concrete; the material conveying mechanism is arranged in the transportation box, and the position where the material conveying mechanism is located is lower than that of the stirring mechanism; according to the device, the appearance of a traditional concrete mixing and transporting cylinder is improved, and a sealed box body structure is adopted, so that the effective loading capacity of concrete is improved by more than 80%, the gravity center of the mixing and transporting cylinder is lowered, the phenomena of layering, segregation and the like of the concrete are improved, and meanwhile, the influences of rollover and height limitation are reduced.

The invention relates to the technical field of salt spray tests, in particular to a spraying device for a salt spray test, which comprises a salt water tank, a water control float valve, a tank cover, a spray tower, a glass spray head, a filter, a conical disperser, a support rod, a floating plate and a water inlet float valve, the floating plate is connected to the lower portion of the supporting rod and located in the saline water tank, the water inlet floating valve is installed on the inner wall of the saline water tank and located above the water control floating valve, and a pressure discharge cavity is formed in the saline water tank and located under the floating plate; the height of the conical disperser is controlled by using the salt water liquid level in the salt water tank, and the conical disperser is used for collecting the settled salt water to reduce the residual amount of the salt water in the salt water tank, so that the spraying amount at the initial stage of the salt spray test is accurately compensated, and the salt water discharge amount of the salt water tank at the last stage of the test is increased, thereby ensuring the test accuracy and improving the test efficiency. And the test cost is reduced.