33results about How to "Promote stratification" patented technology

The utility model discloses an efficient oil-water separator which comprises a box body, partition plates are arranged in the box body, the box body is divided into three grooves by the two partition plates, a separation groove is formed in the middle of the grooves, a feeding pipe is arranged in the separation groove, storage grooves are formed in the two sides of the separation groove, and a heating assembly is arranged at the bottom end of the separation groove. A liquid level sensor is arranged on the inner wall surface of the separation tank, a draw-off pump is arranged on the inner wall of the storage tank, a liquid level display screen is arranged on the surface of the box body, and a transparent observation window is arranged on the bottom side of the liquid level display screen. According to the efficient oil-water separator, the heating assembly is arranged to accelerate oil-water layering, meanwhile, the liquid level sensor is arranged to monitor the storage amount of water after layering, water can be accurately pumped into the storage tank to be stored according to the pumping speed of the draw-off pump, and the oil content in the separated water is reduced.

The present invention discloses a swirl filtration type ballast water filtration device and method, which relates to the technical field of ballast water filtration, including a support frame, a swirl cylinder fixedly mounted on the support frame, and a water inlet pipe fixedly connected to the side of the swirl cylinder; a swirl part, used to drive the water in the water inlet pipe to rotate in the swirl cylinder, so that the water in the swirl cylinder forms a swirl; a filter part, used to separate the particulate impurities in the water after the swirl, and precipitate and collect the particulate impurities. The advantages are: the present invention adopts a rotating water-carrying method to change the original overflow drainage method into a rotating drainage method, which can not only improve the drainage efficiency and reduce energy loss, but also backwash the filter screen during the drainage process and provide a certain degree of vibration, thereby improving the filtration efficiency, and in the process of rotating water-carrying, it can also perform higher speed centrifugal separation again, further improving the filtration efficiency of ballast water, so that the ballast water is filtered more thoroughly.

The invention discloses a heat dissipation layer of a display module, the display module and a display device. The heat dissipation layer of the display module in one embodiment comprises a substrate layer; the foam layer is arranged on the substrate layer; the graphite layer is arranged on one side, far away from the substrate layer, of the foam layer; the supporting layer is arranged on the side, away from the base layer, of the foam layer, the graphite layer and the supporting layer are located on the same surface of the foam layer, and the orthographic projection of the supporting layer on the base layer surrounds the orthographic projection of the graphite layer on the base layer; the conductive metal layer is arranged on one side, far away from the substrate layer, of the supporting layer and the graphite layer; the heat dissipation layer further comprises a plurality of glue injection holes which are at least formed in any one of the conductive metal layer and the supporting layer, and orthographic projections of the glue injection holes on the substrate layer are distributed in orthographic projections of the supporting layer on the substrate layer; and the first bonding layer is filled in the glue injection hole.

The utility model relates to an excavator breaking hammer protective knife structure which comprises a breaking hammer fixing frame (1), a breaking hammer body (2) and a breaking drill bit (3), the breaking hammer body (2) is arranged on the breaking hammer fixing frame (1), and the breaking drill bit (3) is arranged at one end of the breaking hammer body (2). The breaking hammer is characterized in that the breaking hammer fixing frame (1) is provided with a protection piece (4) used for protecting and / or a breaking part (5) used for breaking or smashing objects, the protection piece (4) is matched with the breaking hammer fixing frame (1), and the protection piece (4) and / or the breaking part (5) are / is fixedly connected with or integrally formed with the breaking hammer fixing frame (1). According to the design, on one hand, the breaking hammer can be protected, and on the other hand, the breaking efficiency is improved.

The utility model belongs to the technical field of separation, and particularly relates to a storage tank for separating trace chlorobenzene in hydrochloric acid, which comprises a storage tank body, a liquid receiving tank is connected below the storage tank body, a chlorobenzene drainage port is arranged at the bottom of the liquid receiving tank, an inner cavity of the storage tank body is communicated with an inner cavity of the liquid receiving tank, and a feed port is arranged at the top of the storage tank body. An inserting pipe is arranged in the feeding port, the bottom of the inserting pipe extends to the bottom of an inner cavity of the storage tank body, a baffle is vertically arranged in the storage tank body, the lower end and the two sides of the baffle are connected with the inner wall of the storage tank body, and a gap is reserved between the upper end of the baffle and the top of the storage tank body; the liquid receiving groove and the inserting pipe are located on the same side of the baffle, and a hydrochloric acid discharging opening is formed in the side, away from the liquid receiving groove, of the baffle and located in the bottom of the storage tank body. The storage tank can effectively separate out trace chlorobenzene in hydrochloric acid, the purity of hydrochloric acid is improved, and efficient separation is achieved.

According to the extraction device for preparing the 4-iodine-3-methoxypyridine, mixing and liquid separation are integrated, and meanwhile, centrifugal ultrasound is arranged, so that layering is accelerated; a first stirring unit and a second stirring unit which rotate oppositely are arranged in the mixing unit, the mixing speed is increased, a first conical discharging opening is formed, mixed liquid is automatically discharged into a centrifugal unit, after centrifugation, the mixed liquid is discharged into a standing pipe through a second conical discharging opening, and by detecting the conductivity and combining electromagnetic valves arranged at outlets in a Y-shaped pipe, the mixing speed is increased. And full-automatic liquid separation is realized.

The invention belongs to the field of metal-based composite materials, and relates to a micro-nano particle reinforced metal-based composite material and a preparation method thereof. Comprising the following steps: mixing micro-nano reinforced particles and salt particles in proportion, heating to melt the salt particles, and ultrasonically stirring to obtain molten salt-micro-nano turbid liquid; smelting a metal matrix to obtain a metal melt, adding the molten salt-micro-nano suspension into the metal melt, stirring to obtain a mixture melt, and preserving heat; stopping stirring, allowing the mixture melt to stand, allowing the micro-nano reinforced particles to enter the metal melt from the molten salt to form an alloy melt, and keeping the temperature until the molten salt and the alloy melt are layered; and casting the alloy melt and the molten salt together, cooling, and stripping the salt body to obtain the micro-nano particle reinforced metal matrix composite material. According to the preparation method, the metal-based composite material with uniformly dispersed micro-nano particles is obtained by optimizing the preparation process, meanwhile, the preparation difficulty and the preparation cost are reduced, and a solution with application potential is provided for industrial production of the metal-based composite material.

This invention discloses a portable sediment sampler with a multifunctional collection structure for shallow sea use. It includes a connecting cylinder with a T-shaped operating handle fixedly connected to its top. A connecting layer column is movably installed at the bottom of the connecting cylinder, and a sampling mechanism is fixedly installed at the bottom of the connecting layer column. The sampling mechanism comprises a vertical cylinder, a compression spring, a sediment sampling cylinder, a first slot, a second slot, and a folded cylindrical plate. The sampling mechanism also includes a sealing cylinder, a threaded ring, a filter cotton sheet, and a filter plate. This sampler can simultaneously sample seabed sediment and seabed water, and can separate the sediment from the seabed water. During use, the sampler can be fixed to the side plate of a small fishing boat using an N-type mounting bracket, an adjusting rod, and a pressure disc. Furthermore, during the deep-sea sampling process, the support mechanism effectively prevents the sampling mechanism from tilting. The sampler also has an anti-loss function.

The invention belongs to the technical field of nonferrous metallurgy, and particularly relates to a method for extracting rhenium from a rhenium-containing waste organic phase. According to the method, a certain amount of strong base is added in the reverse extraction process of the rhenium-containing waste organic matter, the reaction temperature, alkalinity and reaction time are controlled, rhenium enters a water phase, and therefore effective separation of rhenium and an organic phase is achieved. And acidifying the rhenium-containing alkali liquor, controlling the acidifying acidity and time, and returning the rhenium-containing alkali liquor to extraction and other procedures to produce a high-grade crude ammonium rhenate product. And the main grade of the obtained crude ammonium rhenate product is 65-69%. The method is easy to operate and low in cost, rhenium in the rhenium-containing waste organic phase can be effectively extracted and recovered, and the effect of improving the rhenium recovery rate in the process of producing ammonium rhenate through an extraction technology is obvious.

The utility model relates to the technical field of screening equipment, and provides electromagnetic excitation screening equipment which is characterized in that a screen is arranged on a screen box; the first beating piece is arranged on the screen box in a relatively rotating mode and located below the screen, and the included angle between the first beating piece and the screen is alpha; the second beating piece is arranged on the screen box in a relatively rotating mode and located below the screen, the included angle beta between the second beating piece and the screen is larger than alpha and smaller than 90 degrees; the vibration exciter is arranged on the screen box and provided with an output rod used for reciprocating vibration excitation, and the output rod is in transmission connection with the first striking piece and the second striking piece and used for driving the first striking piece and the second striking piece to rotate and strike the screen. By means of the technical scheme, the screen cloth can vibrate up and down and can also generate certain inclined vibration, the vibration mode is beneficial to better layering and through screening of fine-grain materials on the screen face, and the screening efficiency can be greatly improved.

The invention belongs to the technical field of medical engineering, and particularly relates to a construction method of an ultra-large-volume concrete structure for a linear accelerator, which comprises concrete raw material selection and mix proportion design, design of a building template supporting and reinforcing system, and crack control measures of the ultra-large-volume concrete structure for the linear accelerator. A building formwork supporting and reinforcing system comprises a wall formwork supporting system, a top plate side formwork supporting system, a top plate formwork supporting system and a method for arranging split bolt joint positions between walls and plates. The building formwork supporting and reinforcing system has the beneficial effects that crack control is conducted on an engineering structure from the whole process of concrete raw materials, additives and the construction technology, and the construction efficiency is improved; the split bolts and the cooling water circulation cooling pipe network enhance the integrity and stability of the wall body and prevent the formwork from expanding, so that rays emitted by the linear accelerator are effectively shielded.

The embodiment of the invention provides a lead frame and an FC-QFN packaging device. The lead frame comprises a first pin, a front half-etched region, a back half-etched region and a via hole, the first pin comprises a first side surface, a third side surface and a second side surface connected with the first side surface and the third side surface, and the front half-etched region is located on the front surface of the lead frame. The projection of the first pin on the front face of the lead frame covers the projection of the front face half-etching area on the front face of the lead frame, the longest length of the front face half-etching area in the second direction is equal to the length of the second side face in the second direction, and the back face half-etching area is located on the back face of the lead frame and arranged along the side face of the first pin. The inner side face of the back face half-etching area makes contact with the side face of the first pin, and the via hole is located in the area, right opposite to the second side face, of the back face half-etching area and penetrates through the back face half-etching area. According to the lead frame, the problem of layering with a plastic package body can be improved, and the risk of pin breakage can be reduced, so that the reliability of a packaged device can be improved.

The invention provides aluminum oxide ceramic slurry, aluminum oxide ceramic, a preparation method and application of the aluminum oxide ceramic and a gas sensor. Wherein the aluminum oxide ceramic slurry comprises the following components in percentage by mass: 5%-9% of an organic solvent, 2%-4% of a plasticizer, 0.6%-2.2% of a binder, 60%-80% of aluminum oxide powder and 10%-30% of a sintering aid; wherein the binder comprises the following components in percentage by mass: 2%-5% of polyethylene glycol-4000, 5%-10% of polyvinyl alcohol and 85%-93% of water; the sintering aid comprises silicon dioxide and boron oxide. According to the alumina ceramic slurry disclosed by the invention, the problems of warping of a ceramic layer and layering between Al2O3 ceramic and YSZ ceramic in a sintering process can be improved, and the flatness and device performance of a gas sensor can be improved.

The present invention provides a QuEChERS extraction kit and its application, wherein the QuEChERS extraction kit comprises a salting-out bag, a purification bag and a button magnet; wherein the salting-out bag comprises 4.0 g of MgSO4 and 1.0 g of NaCl; the purification bag comprises 2 mg of Fc‑MOF@NC; and the button magnet is used to provide an external magnetic field. The QuEChERS extraction kit of the present invention has good purification performance, is simple to operate and convenient to carry, and can be directly used for pretreatment of pesticide residues. The present invention uses Fc‑MOF@NC as a purifier in the QuEChERS extraction kit to adsorb interfering components of the sample, eliminate matrix interference during detection, and combines liquid chromatography-tandem mass spectrometry to establish an accurate, simple and efficient analysis method for THs in a variety of vegetables and fruits.

The invention discloses a magnetic-gravity combined sorting device which comprises a sorting column body, a feeding port is formed in the upper portion of the sorting column body, a pulsating device and a water inlet are arranged at the bottom of the sorting column body, the pulsating device and the water inlet are both communicated with the sorting column body, the peripheral face of the sorting column body is sleeved with a magnet exciting coil, and the magnet exciting coil is connected with the pulsating device. The pulsating device and the water inlet can provide pulsating flow for the interior of the separation column body, the magnet exciting coil can provide a magnetic field for the separation column body so that minerals in the separation column body can generate different settling velocities, and then the minerals are separated. According to the magnetic-gravity combined separation device, the mineral separation precision and efficiency can be improved.

The utility model provides a solid waste sorting device, belongs to the technical field of waste sorting, and aims to solve the problems that when waste is too much, plastic, paper and the like are mixed in heavy objects such as stones, soil and the like, winnowing layering can be realized only after separation is performed on a vibrating belt for a period of time, and the sorting efficiency is insufficient. A sorting bin is arranged in the rack, a feeding port is obliquely formed in the top of the sorting bin, a first outlet and a second outlet are formed in the front portion and the rear portion of the bottom of the sorting bin respectively, a fan is arranged on the rack, an air outlet of the fan is communicated with the front end of the sorting bin through a vertical air pipe, and a vibration plate located between the first outlet and the second outlet is obliquely arranged in the sorting bin. The inclined face of the vibration plate faces the vertical air pipe, a material buffering barrel corresponding to the feeding port in position is rotationally connected into the sorting bin, the material buffering barrel abuts against a feeding inclined face at the bottom of the feeding port, and a center shaft of the material buffering barrel is connected with a motor outside the sorting bin.

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 discloses a cutting channel copper layer indentation substrate and a plastic package product, the cutting channel copper layer indentation substrate comprises a substrate, a plurality of cutting channels are distributed on the substrate along the longitudinal direction and the transverse direction, and the plurality of cutting channels divide the substrate into a plurality of single products; each row of single products distributed in the first direction are connected through a lead, and the lead is located in a cutting channel between every two adjacent single products and led out from one end of the single product at the tail end of the substrate. Each single product comprises a copper layer area, the copper layer on the peripheral side of the single product is retracted in the copper layer area, and the cutting channels are located between the adjacent copper layer areas. When the substrate is designed, copper layers on four sides of a single product on the substrate are shrunk inwards, and only one lead is led out from a single side to play a conductive or grounding role, so that the copper layers of the substrate are not exposed in a cutting channel, the contact area of a blade to the copper layers during cutting is greatly reduced, and the tearing force and the stress are reduced; the problem that products are torn to be layered due to too large resistance during cutting can be solved, and meanwhile the use performance of the substrate is not affected.

The invention discloses a synthesis process of 6-hydroxytropinone, and relates to the technical field of chemical synthesis. When the 6-hydroxytropinone is prepared, diatomite, aluminum trichloride, zirconium sulfate tetrahydrate and octyltriethoxysilane are subjected to a reaction, and hydrophobic solid acid is prepared; the method comprises the following steps of: electrolyzing furan and ammonium bromide to prepare 2, 5-dimethoxy dihydrofuran, and reacting the 2, 5-dimethoxy dihydrofuran with hydrophobic solid acid to obtain 2-hydroxy-1, 4-butanedialdehyde; the preparation method comprises the following steps: preparing acetone dicarboxylic acid, methylamine hydrochloride and sodium acetate into a buffer solution, reacting 2-hydroxy-1, 4-butanedialdehyde with the buffer solution, and purifying and drying to obtain the 6-hydroxytropinone. According to the synthesis process of the 6-hydroxytropinone, the production time is shortened, the yield is increased, and the synthesis process is more economical and environment-friendly.

This utility model discloses an oil-water separation device for a waste oil sludge recycling production line, comprising a base plate, with support columns fixedly connected to all four sides of the top of the base plate, a top plate fixedly connected to the top of the support columns, an oil-water separator fixedly connected to the bottom of the top plate, a motor fixedly mounted to the middle of the top of the top plate by bolts, a gear fixedly connected to the output end of the motor, a toothed plate meshing with the surface of the gear, a movable plate fixedly connected to the outer side of the toothed plate, and a first pulley drivingly connected to the top of the gear. This utility model forms a circulating heating separation system through the oil-water separator at the bottom of the top plate and a constant temperature chamber. The motor drives the spiral stirring blades and stirring rod to perform double stirring of the waste oil sludge, accelerating the oil-water separation in the sludge; the constant temperature chamber maintains the temperature required for separation, reducing oil viscosity and improving separation efficiency, enabling efficient separation and recovery of oil and water in the waste oil sludge.

The invention relates to the field of separation and purification, in particular to an oil-water emulsion separation and purification device which comprises a separation tank used for containing oil-water emulsion. The filtering mechanism is used for filtering impurities in the oil-water emulsion; the heating mechanism is used for heating the oil-water emulsion; the separation mechanism is used for performing oil-water separation treatment on the oil-water emulsion; the filtering mechanism and the heating mechanism are both fixedly installed on the outer side of the separation tank, the separation mechanism is arranged over the separation tank, and a hollow piece arranged in an inner penetrating hole can rapidly expand outwards and push away a tough piece to be tightly attached to the inner wall of a first separation ring due to inflation of compressed gas; then, the first pull rod is moved upwards, so that part of the oil-water emulsion separated by the hollow sheet and the first separation ring is driven by the hollow sheet and the first separation ring to move upwards, and the primary separation treatment effect on the oil-water emulsion is achieved.

The invention relates to a prediction method, device and equipment of a female early menopause prediction model. The method comprises the following steps: extracting information in reproductive factors and environmental factors related to early menopause, simultaneously obtaining peripheral blood genome DNA samples of early menopause patients and healthy people, extracting multiple groups of important SNP loci related to early menopause, and screening the multiple groups of important SNP loci through a Logistic regression model, so as to obtain the early menopause related SNP loci. Constructing an early menopause multi-gene risk assessment model according to the screened final SNP sites, adding environmental factors, and finally predicting the female early menopause prediction model according to the early menopause multi-gene and environmental factor risk assessment model. Therefore, healthy crowds are prompted to pay attention to the premenopausal disease risk, crowd layering can be achieved, the risk crowd layering is greatly improved, risk early warning is provided in a targeted mode, and therefore accurate premenopausal risk avoidance of the crowds is achieved.

The invention belongs to the technical field of inflatable products, and particularly discloses an inflatable product with a tie bar and a reflecting material and a manufacturing process, and the inflatable product comprises an inflatable main body, a plane reflecting film and a curved surface reflecting film; top cloth and bottom cloth of the inflation body are connected to form an inflation cavity, and the inflation cavity is drawn and shaped through a tie bar. The curved surface reflecting film is a double-cycle curved surface and is in layered connection with the plane reflecting film; a reflecting film is attached to the inner side of the top cloth and / or the bottom cloth to form composite cloth. According to the scheme, the combination of more reflecting layers is realized through the combination of the curved surface reflecting film and the plane reflecting film, and the reflecting layers are mutually welded, so that the thermal insulation performance of the product is improved; the TPU material can be self-welded and welded with the fabric composite fabric, so that the process limitation problem that the perforated reflecting layer of the air bed can only be hung through a combination point between the baffle and the cover bottom layer material is solved; the two reflecting layers act together, heat can be effectively reflected back to the human body, and heat loss is reduced.

This invention discloses a matcha compound seasoning based on Guizhou's specialty green peppers and its processing technology, belonging to the field of food processing and powdered compound seasoning technology. The seasoning, by weight, comprises 25-55 parts Guizhou specialty green pepper powder, 8-25 parts matcha powder, 8-22 parts edible salt, 2-12 parts sweetness-regulating components, 0.2-3 parts acidity-regulating components, 0.55-7.2 parts umami components, 0.2-5 parts Litsea cubeba powder or Sichuan pepper powder, 1-10 parts adsorption-stabilizing components, and 0.1-2 parts anti-caking components. The process includes green pepper grading, low-temperature color protection, segmented dehydration, graded grinding, matcha light-proof sieving, pre-loading of matcha and adsorption-stabilizing components, synergistic premixing of green pepper powder, two-stage homogenization of auxiliary materials, online moisture and uniformity control, and nitrogen-filled light-proof packaging. By controlling the ratio of the fresh and spicy aroma of green peppers to the sweet and refreshing aroma of matcha, preloading the carrier, and using low oxygen barrier, this invention improves the problems of green pepper powder being prone to browning, matcha being prone to bitterness and clumping, and the homogenization of flavor in ordinary sprinkles. The resulting product is suitable for dipping, mixing with noodles, sprinkling with barbecue, and seasoning snack foods and pre-made dishes.

The invention discloses an MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) photovoltaic bypass protection module and a preparation method thereof. The photovoltaic bypass protection module comprises a first conductor, a second conductor, an MOSFET device, a control chip, a capacitor and a carrier plate, wherein an insulation gap is arranged between the first electric conductor and the second electric conductor, and the carrier plate crosses the insulation gap and is connected with the first electric conductor and the second electric conductor; the carrier plate comprises an insulating substrate and a conducting layer arranged on the insulating substrate, the control chip and the capacitor are arranged on the carrier plate and are electrically connected through the conducting layer, and the control chip is electrically connected with the first conductor and the second conductor through the conducting layer; the MOSFET device is arranged on the first conductor or the second conductor, and the MOSFET device is electrically connected with the control chip, the first conductor and the second conductor. Conductive connection between parts through metal wires can be greatly reduced, the process is simplified, the cost is reduced, and the product reliability is improved.

The invention discloses a novel ratooning rice cleaning vibrating screen device which comprises a first screening mechanism and a second screening mechanism. The first screening mechanism comprises a first frame, a first shaking plate, a first straw walking screen and a swing driving mechanism. The first shaking plate and the first straw walking screen are fixedly arranged on the first frame. The front end of the first straw walker screen is adjacent to the rear end of the first shaking plate; the second screening mechanism comprises a second frame, a second shaking plate, a front scale sieve, a second straw walking sieve and a lower sieve, the second shaking plate is arranged below the first shaking plate in a non-full-covering mode, and the front scale sieve is arranged below the second straw walking sieve in a non-full-covering mode; the front end of the front scale sieve is adjacent to the rear end of the second shaking plate, the front end of the second straw walking sieve is adjacent to the rear end of the front scale sieve, and the lower sieve is arranged below the front scale sieve. According to the cleaning vibrating screen device, fed materials can be quickly layered and pushed backwards, accumulation is prevented, and the working efficiency is improved.

The utility model discloses an efficient shallow slot suspension liquid recovery device, and relates to the technical field of shallow slot suspension liquid recovery, the efficient shallow slot suspension liquid recovery device comprises a base, a clean coal sculpting screen box, a fixed screen box and a shallow slot sorting machine box are sequentially arranged on the top surface of the base from left to right, and a vibration reduction assembly is arranged in the clean coal sculpting screen box. The vibration reduction assembly comprises a vibration reduction frame, a vibration reduction box and vibration reduction cotton, the bottom face of the vibration reduction cotton is attached to the inner wall of the vibration reduction box, the bottom face of the vibration reduction box is attached to the inner wall of the vibration reduction frame, and the bottom face of the vibration reduction frame is attached to the inner wall of the clean coal sculpture screen box. When a user puts the efficient shallow slot suspension liquid recovery device into operation, the vibration reduction assembly arranged in the efficient shallow slot suspension liquid recovery device can effectively prevent vibration generated by the clean coal sculpture screen box from being transmitted to peripheral structures or equipment, so that damage to other parts is avoided, and noise generated in the operation process of the equipment is reduced.

The utility model discloses a layered fresh-keeping device for cold-chain logistics, which belongs to the technical field of logistics transportation fresh-keeping devices and comprises a fresh-keeping box and a protective cover, the protective cover is hinged to one side of the fresh-keeping box through a hinge, and a bottom plate, a movable plate and a top plate are sequentially arranged in an inner cavity of the fresh-keeping box from bottom to top. The inner cavity of the fresh-keeping box is provided with a layering area facilitating placement of different cold chain transportation goods through distribution of a bottom plate, a movable plate and a top plate, the inner space of the fresh-keeping box can be divided by installing the bottom plate, the movable plate and the top plate in the fresh-keeping box, and therefore the layering effect is achieved; and an adjusting mechanism is arranged on the bottom plate and can adjust the position of the movable plate between the bottom plate and the top plate, so that the fresh-keeping space area between the bottom plate and the top plate can be adjusted in different sizes, goods can be conveniently placed, goods stacking is prevented, meanwhile, workers can conveniently distinguish the goods, and the working efficiency is improved. And the possibility of bacterial cross infection among the cargoes is reduced.

The invention relates to the technical field of seaborne spilled oil cleaning and recycling devices, in particular to a seaborne spilled oil cleaning and recycling device and a recycling method thereof.The seaborne spilled oil cleaning and recycling device comprises an inner barrel, the bottom of the peripheral wall of the inner barrel is provided with a first oil outlet and a first water outlet which are communicated with the interior, and the first oil outlet and the first water outlet are located in the same horizontal plane of the inner barrel; a density sensor is arranged on the inner circumferential wall of the inner barrel, the density sensor is located above the first water outlet, a liquid level sensor is arranged at the bottom in the inner barrel, and an ultrasonic disperser is arranged in the inner barrel; during use, an oil-water mixture is cooled and heated through the ultrasonic disperser in the inner barrel, the viscosity of oil is reduced, oil-water layering is accelerated, then the control unit controls the driving mechanism to drive the inner barrel to ascend or descend in the outer barrel, layered water is sucked and discharged again through the separation barrel, and layered oil is stored in the oil storage barrel. Therefore, rapid separation of oil and water on the sea surface is realized.

This application proposes a method for dehydrating ship waste oil, comprising: heating the ship waste oil to 80℃~90℃; adding a demulsifier to the heated ship waste oil and stirring to obtain a mixture; wherein the demulsifier includes an organic amine, and the organic amine includes dodecylamine; and allowing the mixture to stand at a constant temperature of 80℃~90℃ to obtain an upper oil sample and a bottom water layer, wherein the water content of the upper oil sample is less than or equal to 0.4%. This application, by heating the ship waste oil before adding the demulsifier (dodecylamine) and stirring, followed by standing at a constant temperature of 80℃~90℃, can accelerate the stratification of the upper oil sample and the bottom water layer, significantly shortening the standing time to the range of 12h~19.5h. Simultaneously, it can further reduce the water content of the recovered surface oil to less than 0.4%, meeting the requirements for moisture content (≤0.5%) in national standards GB 17411-2015RME or RMG180. The recovered surface oil can be used as boiler fuel.