47results about How to "Improve recycling effect" patented technology

The application discloses a phosphine ligand modified nitrogen-doped graphene oxide / porous carbon supported metal catalyst and a preparation method and application thereof. The catalyst comprises phosphine ligand modified nitrogen-doped graphene oxide / porous carbon and rhodium supported on the nitrogen-doped graphene oxide / porous carbon; and the molar ratio of rhodium to phosphine is 1:1-100 in terms of elements. The phosphine ligand modified nitrogen-doped graphene oxide / porous carbon supported metal catalyst has better catalytic activity and product selectivity.

The application discloses a micro-fluidic chip and a method for recovering nucleic acids with different fragment sizes. The method can realize recovery of nucleic acids with different fragment sizes by repeatedly washing and recovering magnetic beads through the micro-fluidic chip. The method can improve the overall nucleic acid recovery effect by adjusting the adding concentration of the magnetic beads and PEG salt and the washing times, and can distinguish and control the nucleic acid length, and all the nucleic acids with different fragment lengths can be obtained by continuously adjusting the concentration. Moreover, the method can realize small volume, high throughput and automation.

The utility model belongs to tail gas recovery processing technical field, concretely speaking is melamine production tail gas recovery processing device, including bottom plate, the bottom plate top solid connection has the storage bucket with first water pump, first water pump and storage bucket are linked through pipeline, first water pump output end installation has the feed pipe, the bottom plate top solid connection has the processing jar, the feed pipe is linked with processing jar, the feed pipe end is equipped with the spray subassembly, processing jar side wall solid connection has the motor, processing jar upper rotation is connected with the pivot, pivot solid connection in motor output end, processing jar inside rotation is connected with the stirring shaft, the stirring shaft is connected with the pivot through bevel gear group transmission, through above -mentioned structure, set up motor, pivot, stirring shaft, stirring rod and discharge solenoid valve, can make the ammonium salt solution in the processing jar temporary storage, and the solution is stirred to improve the evenness of the mixing between the solution, to improve the recovery effect of ammonia element in tail gas.

The utility model discloses a vinasse fermentation residue continuous squeezing, dewatering and recycling device which comprises a squeezing and dewatering support and a squeezing roller installed on the inner side of the squeezing and dewatering support, and the inner side, close to the squeezing roller, of the squeezing and dewatering support is connected with a liquid collecting tank. And the surface of the liquid collecting tank is connected with a filter plate. In the process that the vinasse fermentation residues are continuously squeezed and dehydrated through the squeezing roller, waste water generated after squeezing falls into the liquid collecting tank at the moment, the waste water generated after vinasse fermentation residues are squeezed is filtered through the filter plate at the moment, so that floating foam and particle impurities are filtered to the surface of the filter plate, then the pushing air cylinder is started, and the vinasse fermentation residues are continuously squeezed and dehydrated through the liquid collecting tank. According to the waste water recycling device, the slag pushing plate is driven to push floating foam and particle impurities on the surface of the filter plate, and the floating foam and the particle impurities are pushed into the collecting tank, so that pre-filtering treatment in the waste water recycling process is facilitated, the phenomenon that the interior of a pipeline is blocked is avoided, and meanwhile, the waste water recycling effect is improved.

The application provides a beneficiation method for lithium extraction from iron lepidolite ore by magnetic suspension, which adopts a process flow of "high-gradient high-intensity magnetic separation pre-concentration-flotation recovery-flotation tailings returning to magnetic separation operation" to separate and recover the iron lepidolite, and the magnetic separation operation adopts a high-gradient magnetic separator to recover the iron lepidolite through one or more high-intensity magnetic separation operations and preliminarily separate the iron lepidolite from muscovite and other gangues; the magnetic products obtained through the magnetic separation operation are combined and subjected to flotation, and a high-efficiency iron lepidolite flotation collector LYP is used to obtain high-quality iron lepidolite concentrate; the flotation tailings are returned to the high-gradient magnetic separation operation, and finally the efficient separation of the iron lepidolite is realized. The application is a new beneficiation method for iron lepidolite ore, which is stable, efficient, has strong adaptability, good separation effect and high recovery index, and is suitable for popularization and application.

The present application relates to sample supernatant transfer equipment technical field, and disclose a built-in filter element pollution prevention device for biological sample processing, including the platform, the top of the platform is fixedly connected with first connecting frame, the top of first connecting frame is fixedly connected with auxiliary assembly, the top of auxiliary assembly is fixedly connected with second connecting frame, the surface of one end of auxiliary assembly is slidably connected with sliding cover, the surface of the other end of auxiliary assembly is fixedly connected with control center. The both sides of the top of auxiliary assembly are fixedly connected with fixture, the inside of auxiliary assembly is provided with pasteur pipette, the rear end surface of auxiliary assembly is fixedly connected with vertical table, the top of pasteur pipette is provided with funnel shape, the bottom of pasteur pipette is provided with conical shape, the inside of the middle part of pasteur pipette is provided with filter element, the material of filter element is provided with polypropylene, polytetrafluoroethylene and nylon mixed material, the device has the advantages of improving the extraction effect of the device on sample supernatant, convenient for users to use and the like.

The utility model discloses a closed condensate water recovery device which comprises a condensate water tank, the lower portion of the condensate water tank is installed on a base through supporting legs, a water inlet pipe is arranged on one side of the condensate water tank, a dirt removal area is arranged on the lower portion of the condensate water tank, a dirt removal filter screen is arranged in the dirt removal area, and a blow-down valve is arranged on the lower portion of the dirt removal area. A flash steam outlet pipe is arranged at the upper part of the condensed water tank; a pressure regulating pipe is arranged in the condensate water tank, one end of the pressure regulating pipe extends into the condensate water tank and is arranged in a U shape, and condensate water is injected into the pressure regulating pipe during condensate water recovery operation; a water pump is arranged on the base, an inlet of the water pump is connected with the lower portion of the condensate water tank, a bypass pipe is connected between the inlet of the water pump and an outlet of the water pump, and a bypass valve is arranged on the bypass pipe. The pressure at the inlet of the water pump is increased, and the risk of cavitation of the water pump is reduced.

The utility model discloses a recovery device for adblue solution, including the bracing frame, be equipped with the processing subassembly on the bracing frame, the processing subassembly includes fixed seat, processing cylinder, motor, stirring rod and connecting plate, fixed seat is equipped on the bracing frame, processing cylinder is equipped on the fixed seat, the motor is equipped on the stirring rod, and the connecting plate is equipped on the motor. The motor is fixedly installed on the treatment barrel, the stirring rod is connected to the output end of the motor, the connecting plate is arranged on the stirring rod, a filtering assembly is arranged at the bottom of the treatment barrel and comprises a discharging pipe, a filtering box and a feeding hopper, the discharging pipe is installed at the bottom of the treatment barrel, a valve is arranged on the discharging pipe, and the filtering box is connected with the discharging pipe. And the filter box is arranged at the bottom of the discharge pipe, so that the technical problems that urea and other components in a solution cannot be uniformly mixed and the use effect of the solution and the efficiency of a catalytic reduction reaction are influenced due to the fact that an effective stirring mechanism is generally lacked in an existing recovery device mentioned in the background technology are solved.

The application discloses a method for obtaining high-grade tin concentrate from silver separation residue, and specifically comprises the following steps: uniformly mixing silver separation residue, an additive and carbon powder according to a proportion, preparing spherical material, and obtaining roasting residue through rotary kiln roasting; grinding the obtained roasting residue into powder, using a reducing agent solution to perform tin leaching on the powdered roasting residue, obtaining leaching liquid and leaching residue, and sending the leaching residue to other valuable element recovery; adding an oxidizing agent to the obtained leaching liquid, selectively precipitating tin in the solution, and obtaining tin precipitation residue and tin precipitation liquid. The high-grade tin concentrate can be obtained after the tin precipitation residue is dried and washed. The method directly obtains the tin concentrate from the silver separation residue, and has the advantages of high grade, few impurities, simple overall process operation, small reagent consumption in the tin precipitation process, low cost, short reaction time and no need of heating.

This utility model discloses a firecracker solid ignition dust recovery device, relating to the field of firecracker production technology. The device includes a recovery box with an air inlet on its left side, a support frame installed at the bottom of the outer side of the box, a fan installed at the top of the rear side of the box, and a top cover. A filter assembly is installed inside the upper part of the recovery box; a discharge assembly is installed at the bottom of the box; and a dust collection assembly is installed inside the air inlet, including a diverter pipe installed inside the air inlet. This utility model, through the combined use of the dust collection and dust removal components, facilitates the collection of solid ignition dust scattered during firecracker assembly, avoiding the problem of dust pollution caused by scattered solid ignition. The pleated filter cartridge facilitates the filtration of the solid ignition, improving the recovery efficiency of the device.

The invention discloses a deep-eutectic solvent, preparation thereof and application of the deep-eutectic solvent in recovery of a waste ternary lithium battery positive electrode material. The eutectic solvent is composed of ethylene glycol and lactic acid, and the molar ratio of ethylene glycol to lactic acid is 1: 10-10: 1. According to the method, a new eutectic solvent system is creatively constructed, selective leaching of the lithium element in the positive electrode material of the waste ternary lithium battery can be achieved, the coprecipitation process of key metal precursors such as nickel, cobalt and manganese is synchronously promoted, high-valued circulation and utilization of the waste ternary lithium battery are promoted, and the method is suitable for industrial production. The complex process of traditional multi-metal step-by-step separation is avoided, and the operation steps are simplified. In addition, the eutectic solvent can be recycled for more than five times, so that the battery recycling cost is reduced. The recycling method provided by the invention also greatly widens the separation and recycling ways of valuable metals in the waste batteries, and shows wide application potential and important value in the field of resource recycling.

The invention relates to the technical field of plastic recycling, and discloses environment-friendly equipment for separating and recycling metal and plastic composites.The environment-friendly equipment comprises an internal stress separating box, the upper surface of the internal stress separating box is fixedly connected with a feeding hopper, and the lower surface of the internal stress separating box is fixedly connected with a crushing chamber; the inner surface of the crushing chamber is rotationally connected with a crushing roller, the upper surface of the inner wall of the internal stress separation box is fixedly connected with an electric guide rail, the moving end of the electric guide rail is fixedly connected with a liquid storage shell, and the right side face of the liquid storage shell is fixedly connected with a stainless steel corrugated pipe. As the thermal expansion coefficients of metal and plastic between materials are different, the shrinkage amplitudes of the metal and the plastic are different during rapid cooling, and huge internal stress can be generated on a bonding interface, so that the bonding force of the metal and the plastic is directly weakened or even damaged, and the separation efficiency of the metal and the plastic is improved compared with a common mode.

This utility model relates to the field of cutting device technology and discloses a safe cutting device for aluminum battery shells, including: a frame, a moving mechanism, and a laser cutting mechanism. The moving mechanism is located at the upper end of the frame, and the laser cutting mechanism is connected to the output end of the moving mechanism. A control mechanism is located on the back of the frame, and a collection mechanism is located in the inner cavity of the frame. The collection mechanism includes a collecting component, a conveyor, and a load-bearing plate. A scraper is located in the inner cavity of the collecting component and is located at the bottom of the conveyor. The conveyor and the load-bearing plate are both located in the inner cavity of the frame, and mounting parts are evenly arranged on the top of the load-bearing plate. In this safe cutting device for aluminum battery shells, an air pump sprays air through a nozzle into the cutting area of ​​the laser cutting mechanism, which can drive waste and debris to move, preventing waste and debris from accumulating at the top of the device, improving waste recycling efficiency, and reducing the impact on cutting accuracy.

The present application relates to mulch recycling device technical field, especially to a kind of recycling device with strong adsorption agricultural residual film capacity and use method.It is composed of traditional mechanical recycling mulch machine and magnetic residual film adsorption recycling device, and traditional mechanical recycling mulch machine includes rack, film lifting shovel, soil penetration depth adjusting device, transmission gearbox, transmission device, conveying belt, material scraping device, material collecting box and ground wheel, and magnetic residual film adsorption recycling device includes transmission gearbox, driving roller, magnetic conveying belt, adjustable belt press wheel, transmission roller, residual film material scraping device, residual film material collecting box and magnetic strip.The present application can recycle magnetic residual film that traditional mechanical recycling mulch machine cannot completely recycle;Magnetic strip is arranged on magnetic conveying belt, residual film is recycled by magnetic residual film adsorption recycling device, and stored through residual film material collecting box, with the advantages of convenient operation, high efficiency of recycling residual film in field, maximum solution to residual film pollution and the like.

The application provides a MOFs derived copper fiber composite film and a preparation method and application thereof, and comprises the following steps: (1) adding copper nitrate trihydrate and trimesic acid into a solvent 1 to obtain a MOFs precursor solution; (2) performing a solvothermal reaction on the MOFs precursor solution to obtain a HK solid; (3) dispersing the HK solid and polyacrylonitrile into a solvent 2 to obtain an electrospinning precursor solution; (4) performing electrospinning on the electrospinning precursor solution to obtain a fiber film HK-1 / PAN; (5) immersing the HK-1 / PAN into a solution containing copper nitrate trihydrate and trimesic acid to perform a solvothermal reaction, and obtaining HK-2 / PAN; and (6) pre-oxidizing and calcining the HK-2 / PAN to obtain a MOFs derived copper-based composite film. The application utilizes a secondary growth strategy to improve the loading amount and uniformity of MOFs particles on the fiber film, and to enhance the catalytic activity and conductivity thereof, and is used for visual detection and efficient degradation of PFOA.

The utility model relates to the technical field of mould pressing devices, and discloses an auxiliary cooling mould pressing device based on heat recovery, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a mould pressing machine, the top of the mould pressing machine is provided with an absorption assembly, the absorption assembly comprises a suction fan, and the bottom of the suction fan is fixedly connected to the top of the mould pressing machine. The input end of the suction fan is fixedly connected with a filter box, a filter assembly is arranged in the filter box, a plurality of conveying hoses are fixedly connected in the filter box, one end of each conveying hose is fixedly connected with a heat absorption cover, and swing assemblies are arranged on the outer walls of the multiple heat absorption covers. According to the heat recovery device, heat generated by the mold is absorbed into the heat exchanger through suction force generated by the suction fan, the heat absorption range of the heat absorption cover is enlarged through the swing assembly, and the effects that the heat is well recovered by the device, and the surface of the mold is cooled in an auxiliary mode are achieved.

The application discloses a kind of electronic-grade hydrofluoric acid condensation heat energy recovery device, it is related to heat exchange equipment technical field.The present application includes tank body, the inside of the tank body is equipped with condenser pipe by sealing plate, the condenser pipe is "U" shape and two ends are upwards, the condenser pipe is distributed in the tank body inside and is deflected upside down, the condenser pipe is composed of outer tube and inner tube, the inner tube is fixedly installed at the central place in the inside of outer tube by the fixed seat of outer tube top opening, the inner tube one end opening, the other end is closed, the outer periphery of the inner tube opening side is equipped with round hole, the round hole is located at the inboard of outer tube opening, one side of the outer tube opening is fixedly connected with drain port.The present application can improve the efficiency of heat exchange while ensuring the condensation effect, thereby improving the effect of heat energy recovery, and different temperature heated cooling medium can be obtained to be suitable for different temperature requirements of use scene, thereby improving the utilization degree of heat energy recovery.

This invention discloses a harmful waste gas purification device for multi-story pig farms, relating to the field of waste gas purification technology. It includes a demisting and water return mechanism, and a double-layer purification unit installed inside the demisting and water return mechanism. The demisting and water return mechanism has a rotating cleaning mechanism inside, with a water inlet pipe at its end. The demisting and water return mechanism includes a waste gas purification box, and the double-layer purification units are symmetrically arranged inside the waste gas purification box. The double-layer purification unit includes a mounting bracket, with a first mounting ring fixedly installed at its end. A conical inner mesh is fixedly installed at the bottom of the first mounting ring. The flow divider between the conical inner mesh and the conical outer mesh guides excess waste gas, allowing it to enter the upper water mist through the flow divider and react with the upper water mist, thus achieving the effect of slowing down the flow without reducing reaction efficiency.

The utility model discloses a tobacco waste box bearing tray, including tray frame, be located on the horizontal bearing plate and longitudinal bearing plate of tray frame, be located the weight detection subassembly of horizontal bearing plate both sides, tray frame, horizontal bearing plate and longitudinal bearing plate enclose the tray main part for the bearing tobacco waste box, weight detection subassembly and tobacco waste box abut to obtain the weight of tobacco waste box. The utility model discloses a weight detection subassembly to measure the weight of tobacco waste box, and the weight of tobacco waste box is transmitted to the display screen of machine table front end and shows, to reduce the back-and-forth times of operator, and the operator can make the countermeasure in time when tobacco waste box fills up, and then avoided tobacco waste overflow, improved the recovery effect of tobacco waste.

The invention provides application of a thioether compound as a collecting agent in flotation of molybdenite and gold ore, the general formula of the thioether compound is R1-S-R2, and R1 and R2 are respectively and independently selected from at least one of C1-C12 straight chain or branched chain alkyl, C2-C12 straight chain or branched chain alkenyl, C6-C12 aryl which is not substituted or substituted by C1-C4 alkyl and C7-C12 aralkyl. The thioether compound serves as the collecting agent to be used for flotation of molybdenite and gold ore, the recovery rate of products in minerals can be effectively increased, and loss of valuable metal in tailings is reduced.

The application relates to an agricultural broken film cleaning device which comprises a vehicle body, a drying device, an electrostatic adsorption device, a conveying device and a conveying device. The drying device is arranged on the vehicle body and is used for drying soil. The electrostatic adsorption device is arranged on the vehicle body and is used for generating static electricity to adsorb broken films in the soil. The conveying assembly is arranged on the vehicle body and is connected with the drying device and the electrostatic adsorption device respectively, and is used for conveying the soil from the drying device to the electrostatic adsorption device. The conveying device is arranged on the front side of the vehicle body and is connected with the drying device, and is used for conveying the soil into the drying device. Through cooperation of the drying device and the electrostatic adsorption device, the broken films in the soil can be effectively recovered, and the recovery effect of small films and medium films with high breaking degree is better.

This utility model discloses an environmentally friendly boiler, including a frame with door panels on each side. A support frame is located on one side of the bottom of the frame, and a furnace body is located on the top of the support frame. A combustion assembly is located at the bottom of the furnace body, and a condenser is connected to one side of the furnace body. A furnace body water pump and a condenser water pump are respectively located at the bottom of the frame. A control assembly is located on one side of the door panel, and a display screen electrically connected to the control assembly is located on the same side of the door panel. The flue gas heated by the burner head is guided to the condenser for cooling through the flue gas outlet frame. At the same time, low-temperature cooling water is delivered to the condenser through the condenser water pump, which absorbs the heat from the exhaust flue gas to form high-temperature cooling water. This high-temperature cooling water is then guided to the furnace body by the boiler water pump so that the burner head can further heat and evaporate the high-temperature cooling water, thereby improving the heating efficiency for external systems, as well as the heat recovery effect of the flue gas and the utilization effect of the cooling water, increasing the practicality of the equipment.

The present application relates to a kind of integrated heat pump's combined heat and power system's operating method, combined heat and power system includes steam turbine system and heat network water heating system;Steam turbine system includes medium-pressure cylinder, low-pressure cylinder, generator and condenser;Heat network water heating system includes electric heat pump's no.1 condenser, absorber, absorption heat pump's no.2 condenser and peak heater.Heat network backwater is cooled after passing through no.2 evaporator, then in turn through electric heat pump, absorption heat pump and peak heater for cascade heating.In addition, by adjusting the opening of no.4 shunt valve, the participation degree of absorption heat pump can be controlled: when the outlet heat network water of no.1 condenser all directly flows to mixing valve, absorption heat pump does not run;When part or all heat network water enters absorber, absorption heat pump is put into operation.The present application can expand the operation adjustment range of unit, improve the energy utilization efficiency and heating flexibility of combined heat and power system under variable working condition.

This application provides a method, electronic device, storage medium, and computer program product for allocating empty pallets and containers, relating to the field of air logistics. The method includes: determining empty pallet and container demand data for a work island area corresponding to a target delivery task; acquiring empty pallet and container inventory data for the work island area, including work island area number data, empty pallet and container inventory quantity data, and empty pallet and container model data; determining the current empty pallet and container shortage data for the work island area based on the demand and inventory data, including the shortage model data and shortage quantity data; and storing the empty pallet and container models obtained after palletizing in the work island area if they match the aircraft type corresponding to the target delivery task. This solves the problem of dynamic allocation of insufficient empty pallet and container resources, improves palletizing efficiency, and collaboratively optimizes the allocation and use of empty pallets and containers.

The present application relates to a kind of collector for spodumene and its preparation method and flotation method, specifically to the field of flotation reagent technology, the collector includes: castor oil acid salt, potassium lauryl polyether phosphate, laurylimino diacetic acid disodium, phosphate betaine, alcohol ether, caustic alkali and solvent.The collector provided in the present application, by the synergistic adsorption of carboxylate of castor oil acid salt and phosphate ester group of potassium lauryl polyether phosphate and phosphate betaine to activated spodumene realizes strong collection, and by imino diacetate and phosphate betaine structure regulation selectivity, dispersibility and foam property, so as to improve the flotation separation effect of spodumene and quartz, feldspar, mica and other gangue minerals.

The utility model discloses a waste recovery mechanism for roll paper production, which comprises a bottom plate, the two sides of the top of the bottom plate are fixedly connected with supporting plates, the interiors of the supporting plates are rotatably connected with rotating shafts, the surfaces of the rotating shafts are fixedly connected with a crushing cylinder, the interior of the crushing cylinder is rotatably connected with a scraper frame, and the scraper frame is fixedly connected with the bottom of the bottom plate. And the scraper frame is attached to the crushing cylinder, the top of the scraper frame is fixedly connected with a crushing rod, and the bottom of the crushing cylinder is fixedly connected with a first motor. According to the utility model, an innovative design is adopted, and a set of perfect roll paper waste recovery process is constructed. According to the waste recycling device, all the components operate cooperatively in the links of waste crushing treatment, follow-up filtering, extrusion shaping and the like, the overall efficiency and quality of waste recycling are effectively improved, the situation that the effect is poor in a traditional extensive recycling mode is greatly improved, the remarkable advantage of the good recycling effect is practically shown, and the device has the advantage of being good in recycling effect.

The utility model relates to a full -automatic capsule filling machine belongs to pharmaceutical equipment technical field, including the connection storehouse, the top surface of connection storehouse is equipped with the clamping groove, the top surface of connection storehouse is equipped with the placement storehouse and extends to the inside of connection storehouse in one end of clamping groove, the inside of connection storehouse places and places the board, be equipped with the collection subassembly for collecting the medicine powder on the placement storehouse, the collection subassembly includes the conveying storehouse, one end fixed connection of conveying storehouse is in the right -hand side inner wall of connection storehouse. This full -automatic capsule filling machine, under the action of the exhaust fan and filter screen, the medicine powder is collected conveniently, the recovery effect is improved, the gap cooperation between the positioning rod and the positioning hole is used to limit the filter plate, the filter screen is disassembled and cleaned conveniently, the collection efficiency is improved, at the same time, the thread connection between the screw rod and the moving plate is used to drive the placement board to move conveniently, is more convenient and practical.

The utility model discloses a water -saving photovoltaic module intelligence cleaning device, including the cleaning machine case, the inside of cleaning machine case is provided with water tank and cabin respectively, the inside of cabin is installed with first water pump and second water pump respectively, the water injection opening of second water pump is connected with water injection rod through pipeline, the water outlet of water injection rod is installed with the cleaning disc, the surface of water injection rod is fixed with the connecting assembly, the utility model discloses the recovery box, the water collecting plate, the connecting assembly and first water pump through the design, through the water washing cleaning of the wastewater that the photovoltaic module surface that is in the inclination installation generates along the inclination surface and flows, in the process of flowing, through the water collecting plate and concentrate collection, concentrate the wastewater and flow into the recovery box, first water pump work will be in the wastewater in the recovery box and send to the water cabin, realize water circulation use, reach water -saving effect.

The application belongs to the technical field of rare earth recovery, and particularly relates to an adsorbent for recovering scandium from an acid solution, a preparation method and application, which comprises the following raw materials: monomers, a crosslinking agent and an initiator, the monomers are a mixture of ethylene phosphoric acid and 2-methyl-2-propenoic acid-2-hydroxyethyl ester phosphate, and the molar ratio of ethylene phosphoric acid and 2-methyl-2-propenoic acid-2-hydroxyethyl ester phosphate is 0.1-10:1. The application can adsorb scandium from different acid solutions, and all have good adsorption capacity.

The application provides a ladle slow cooling device and slow cooling process, which comprises a ladle water bath box and a bearing base for placing the ladle water bath box, the bearing base is in a stepped shape, the ladle water bath boxes are multiple and are placed on different stepped surfaces of the bearing base in sequence, two adjacent ladle water bath boxes are in a liquid conduction state, the sidewalls of the multiple ladle water bath boxes are provided with liquid circulation assemblies, the liquid circulation assemblies comprise main circulation pipelines, the main circulation pipelines and the corresponding ladle water bath boxes are in a conduction state through branch circulation pipelines, the ladle water bath boxes and the branch circulation pipelines are respectively provided with conduction valve groups, and the liquid circulation assemblies are in different states through control of the conduction valve groups to realize circulation flow of the liquid between different branch circulation pipelines. The application can realize circulation cooling of the ladle in a closed loop system, adjusts the cooling liquid flow according to the information state of the ladle, reduces the loss of energy, and improves the working environment.