237results about How to "Achieve reuse" patented technology

The invention relates to the technical field of ferrous metallurgy casting, in particular to a drainage sand removing and recycling method and device. Comprising a mechanical arm, a lifting rotation controller, a controller arm, a sand suction cylinder, a sand conveying pipeline, a sand collecting tank and an injection pump. The lifting and rotating controller is fixedly mounted on the mechanical arm; the controller arm is connected with the lifting and rotating controller, and the lifting and rotating of the controller arm are controlled by the lifting and rotating controller; the sand suction cylinder is connected with the controller arm, the sand suction cylinder is of a U-shaped structure, and one end of the sand suction cylinder is a horn mouth used for sucking drainage sand; one end of the sand conveying pipeline is positioned above the tundish cover sprue gate, and the end part of the sand conveying pipeline is bent downwards to be connected with the other end of the sand suction cylinder; the other end of the sand conveying pipeline is connected with the sand collecting tank; the sand collecting tank is connected with an injection pump pipeline, and the injection pump provides suction power. The ladle filler sand, harmful gas in gaps of the ladle filler sand and a long nozzle and a small part of molten steel in contact with the ladle filler sand in a steel ladle can be discharged out of tundish molten steel and recycled.

The utility model discloses a domestic ceramic drying treatment device which comprises a drying box body. An electric heating wire is arranged in the drying box body; the placing frame is arranged in the drying box body, the placing frame comprises a rotating pipe, a plurality of supporting discs are detachably installed on the outer side of the rotating pipe, and an air blowing pipe is in threaded connection with the portion, located below the supporting discs, of the outer side of the rotating pipe; the dehumidification device has the advantages that the fan sucks air in the drying box into the dehumidification box to make contact with the metal sheets, hot air is liquefied when meeting the cold metal sheets and moisture, left on the metal sheets and condensed into water drops, the water drops move downwards along the inclined metal sheets and enter the collecting tank through the water outlet holes to be collected, and the dehumidification efficiency is high; the draught fan absorbs heat generated by air in the dehumidification box and the heating end of the semiconductor chilling plate, meanwhile, the heating box is installed at the output end of the draught fan, the extracted air is heated again through the internal electric heating wire and then fed into the transmission pipe and the rotating pipe, heat recycling is achieved, and the energy utilization efficiency is improved.

This invention discloses a method for preparing and analyzing trans-4-aminocyclohexylacetic acid. The preparation method is as follows: 4-nitrophenylacetic acid undergoes catalytic hydrogenation in a solvent, followed by filtration. The filtrate is then treated with acid to obtain a 4-aminophenylacetic acid salt solution. The collected catalyst is activated. The 4-aminophenylacetic acid salt solution is mixed with isopropanol, barium hydroxide, tetrabutylammonium bromide, 18-crown ether-6, and dibutyl phthalate. The activated catalyst is then added to initiate a catalytic hydrogenation reaction. After the reaction, the reaction solution is cooled and filtered. The resulting solid is mixed with a preheated dilute sulfuric acid solution and stirred to form a slurry. The mixture is then filtered, and the filtrate is neutralized and filtered again. The collected filtrate is concentrated and crystallized. The crystallized precipitate is washed and dried to obtain trans-4-aminocyclohexylacetic acid. The method provided by this invention has high reaction efficiency, mild conditions, and is suitable for industrial production. It yields high product purity and reliability. Furthermore, the analytical method provided by this invention is accurate and reliable.

This utility model relates to a small moxibustion tube for easy ash removal, comprising an upper shell and a lower shell; the lower shell is detachably connected to the bottom of the upper shell; the upper shell includes an outer shell, an inner shell, and an adjusting cover, with the outer shell fitted over the outer shell of the inner shell. The lower end of the adjusting cover is adjustablely positioned inside the inner shell, with a needle in the center of the adjusting cover and a needle hole in the center of the inner shell. The needle passes through the needle hole and inserts into the moxa stick. By changing the height of the adjusting cover, the needle moves upward. Since the needle hole can only pass through the needle and not the moxa stick, the moxa stick disengages from the needle when the needle moves upward, thus achieving convenient and effective ash removal. After ash removal, restoring the adjusting cover resets the needle, allowing a new moxa stick to be inserted, the lower shell to be reassembled, and continued use. This small moxibustion tube allows for convenient and effective removal of moxa stick residue, thereby enabling its reuse.

The utility model relates to vulcanized isobutene production technical field, specifically is a kind of vulcanized isobutene production sulfur-containing wastewater recycling system, the bottom of high-pressure reaction kettle is connected with first conveying pipe respectively by tee joint, the first conveying pipe is connected with first dechlorination kettle, the first dechlorination kettle bottom discharge end is connected with second conveying pipe respectively by tee joint, the second conveying pipe is connected with second dechlorination kettle, the second dechlorination kettle bottom is connected with third conveying pipe respectively by tee joint, the third conveying pipe is connected with wastewater transfer tank, the wastewater transfer tank discharge end is connected with the first dechlorination kettle by circulation pipe.The utility model is dechlorinated by setting two dechlorination kettle, sodium sulfide can replace the chlorine that is not replaced in primary dechlorination reaction when secondary dechlorination, sulfur-containing wastewater is collected using wastewater transfer tank, then it is recycled to the next batch primary dechlorination reaction, realize the recycling of sulfur-containing wastewater, can reduce the wastewater treatment pressure of producer.

The application provides a recyclable phase change microcapsule and a preparation method thereof, and comprises the following steps: (1) preparing a surfactant solution; (2) adding a phase change material into the surfactant solution and uniformly dispersing to obtain an emulsified solution; (3) adding a solution containing magnetic metal ions into the emulsified solution and uniformly stirring to obtain a mixed solution; (4) adding a solution containing carbonate or hydroxyl into the mixed solution, so that the carbonate or hydroxyl reacts with the magnetic metal ions to form a coating wall material of the capsule; (5) performing cooling treatment on the solution in the stirring state in (4) until the microcapsule is coagulated into a small spherical shape, and then the recyclable phase change microcapsule is obtained after separation, washing and drying. The application can realize the repeated use of the microcapsule, and the capsule wall of the microcapsule is all inorganic material with magnetism, which has high flame retardance, mechanical strength and thermal conductivity, so that the microcapsule can be better used in the field of building energy-saving materials.

This invention discloses an electrically controlled cargo box heating device, method, and mining dump truck, including a heating box, a smoke baffle assembly, an electronic control device, a sealing pipe, an exhaust tailpipe assembly, and a cargo box. The heating box includes a box panel, a smoke baffle slide, an electronic control bracket, an air inlet, an exhaust outlet, and a heating outlet. The electronic control device includes a control unit, an electric push rod, and a lifting cylinder. This invention uses an electronic control system to reverse the engine exhaust during cargo box lifting and lowering, utilizing the high-temperature exhaust gas from the engine to heat the cargo box, achieving waste gas reuse and solving efficiency and safety issues caused by frozen cargo box materials in low-temperature environments. The simple mechanical structure ensures stable reliability, and the electronic control system ensures the orderly operation of each component. Operating the cargo box while disconnecting the heating channel for normal exhaust avoids cargo box blackening and carbon dust dispersion, ensuring a good vehicle appearance and driving environment while heating the cargo box.

This invention provides a method for the artificial breeding of bullfrogs, including bullfrog selection, pairing, breeding, artificial spawning induction, artificial insemination, fertilized egg hatching, and tadpole rearing. This invention uses precise control of water temperature and quality in the breeding water to stimulate the gonadal development of the bullfrogs. It utilizes artificial spawning induction, insemination, fertilized egg hatching, and seedling rearing techniques to solve the problems of existing bullfrog germplasm degradation and difficulties in artificial breeding. By adding *Lactobacillus rhamnosus* to the feed, the mortality rate of bullfrogs is effectively reduced, the hatching rate of fertilized eggs is high, and the seedling growth rate is fast. This allows for a stable and continuous supply of high-quality bullfrog stock, meeting the effective demand for bullfrog seedlings throughout the year, and providing a technical foundation for the artificial breeding of bullfrogs.

This invention discloses a refrigerator and its control method and refrigeration system. The refrigerator includes at least a low-oxygen preservation system and a sterilization system. The control method includes: when the refrigerator door is closed, detecting whether the refrigerator has activated an oxygen reduction mode; if so, activating the sterilization mode for a first preset time when the time interval since the last activation of the sterilization mode reaches a first threshold time; if not, activating the sterilization system for a second preset time when the time interval since the last activation of the sterilization mode reaches a second threshold time. Compared with the prior art, this invention can achieve rapid ozone accumulation in a short time through oxygen-enriched gas, reducing the operating time of the ion generator, and after the sterilization mode ends, accelerating ozone decomposition through oxygen-enriched gas to reduce the ozone presence time, thus realizing closed-loop control of oxygen-enriched gas reuse, instantaneous high-concentration ozone sterilization, and rapid ozone decomposition.

The utility model relates to the related technical field of bearing protection structures, in particular to a device for solving oil mist of a guide bearing of a hydropower station, which comprises a lower base and an upper base which are installed in a combined mode, and a first semi-cylindrical groove and a second semi-cylindrical groove are arranged in the upper base and the lower base respectively and used for placing the bearing and a rotating shaft respectively. A semi-circular-ring inclined groove is formed in the connecting position of the first semi-cylindrical groove and the corresponding second semi-cylindrical groove, a collecting groove is formed in the bottom of the lower base, the two ends of the collecting groove are connected with the bottoms of the corresponding semi-circular-ring inclined grooves through collecting channels, and a liquid conveying pump is arranged at the top end of the upper base. A first circulating channel and a second circulating channel are respectively arranged on the lower base and the upper base, and are matched with a liquid conveying pump and a circulating pipe to convey oil in the collecting tank into the first semi-cylindrical groove, so that leakage prevention and reutilization of oil mist are realized.

This utility model relates to the technical field of whisker production equipment, and provides a whisker collection device with purification function, including: a support and casters; a collection component, fixedly installed on the upper end of the support; a collection box, disposed at the bottom of the collection component; a feeding component, fixedly connected to one side of the collection component, and having a guide groove running through it; a dust removal component, fixedly disposed on both sides of the upper end of the collection component; a purification component, fixedly installed on one side of the feeding component; and a drying component, running through the back of the support. First, the device is moved to the unloading area, and all components are started. Whiskers enter the collection box through the hopper, dust is removed by a dust extraction fan, the sieve plate is screened by an anti-blocking mechanism, and the guide plate guides the whiskers to the guide plate before they fall into the material box. Simultaneously, the drying component dries the material, and some whiskers enter the purification chamber for purification. The purification liquid is recycled. This device integrates purification, screening, dust removal, and drying, comprehensively improving the quality of whiskers.

The application discloses a preparation method of carbon dot material based on blue bacteria, and the carbon dot material is prepared by taking blue bacteria photosystem pigment as raw material. The semiconductor fluorescent carbon dot prepared by the method has stable properties, has wide spectrum absorption to sunlight, can convert ultraviolet light, visible light and infrared light into red light, and has good photoelectric performance. The application further discloses a preparation method of a blue bacteria-based semiconductor fluorescent carbon dot-blue bacteria hybrid, and application of the carbon dot material based on blue bacteria in crop production.

This invention discloses a method for processing shale gas, relating to the field of natural gas development and processing technology. The method includes using a three-phase separator to separate cooled raw shale gas to obtain a gas phase; using an absorbent to decarbonize the reheated gas phase of the raw shale gas in a deacidification unit; selecting a dehydration unit comprising three adsorption towers, each containing an adsorbent; injecting the decarbonized raw shale gas phase into any one of the adsorption towers for dehydration; introducing regenerated gas into any one of the remaining two adsorption towers, allowing heat from that tower to enter the regenerated gas; subsequently heating the regenerated gas; and injecting the heated regenerated gas into the last adsorption tower for desorption of the adsorbent in that tower, thereby obtaining purified natural gas. This method reduces energy consumption in the dehydration step of shale gas post-processing.

The utility model relates to the field of slurry wall protection drilling, especially relates to a slurry separation tank for reverse circulation drilling machine, including primary sedimentation tank, secondary sedimentation tank, residue storage tank, slurry input pipe, sand separating mechanism and slurry output pipe, secondary sedimentation tank is connected with primary sedimentation tank, residue storage tank is connected with secondary sedimentation tank, and the lateral wall of primary sedimentation tank is provided with overflow, and overflow is communicated with secondary sedimentation tank, slurry input pipe is connected with primary sedimentation tank, and slurry input pipe is used for injecting slurry to primary sedimentation tank, sand separating mechanism is connected with secondary sedimentation tank, and sand separating mechanism is communicated with residue storage tank, slurry output pipe is communicated with secondary sedimentation tank, and the sludge suction efficiency in secondary sedimentation tank is increased by setting conical fairing on the circulating pipeline, the slurry that is extracted from pile foundation hole is discharged into primary sedimentation tank through slurry input pipe and carries out preliminary deposition, the slurry after preliminary deposition enters secondary sedimentation tank through overflow, and the drilling residue of smaller particle is removed by slurry through sand separating mechanism.

The invention discloses a remote sensing image change detection method and system based on double-flow SAM and time sequence perception, and aims to solve the problems of insufficient double-time-phase feature interaction, weak time sequence modeling, poor change region sensitivity and the like in the prior art. According to the method, a cross-time-frame attention type memory mechanism (CPMM) and a time perception two-dimensional space modeling module (Temporal-Aware SS2D) are innovatively introduced on the basis of SAM Encoder, the cross-time-frame attention type memory mechanism (CPMM) enhances alignment of a stable structure and features between time phases through lightweight two-way cross-time-phase modulation, and the time perception two-dimensional space modeling module (SSD) deeply fuses double-time-phase features in a dimension reduction space and fuses global context information. And constructing a framework with local detail retention and global time sequence semantic perception to accurately capture a change trend. According to the method, the adaptability, robustness and calculation efficiency of the model to the time-space characteristics of the remote sensing data are remarkably improved, and the accurate change detection of the high-resolution remote sensing image is realized while the high detection precision is kept.

The invention belongs to the technical field of wastewater and waste gas treatment, and discloses a method and a device for resource preparation of a sulfur autotrophic denitrification filler, and a nitrate-nitrogen-containing wastewater treatment method, the method comprises the following steps: S1, coal gas purification: preparing red mud slag into red mud slurry, and inputting the red mud slurry into a desulfurization and decarbonization unit to desulfurize and decarbonize coal gas; s2, material separation: carrying out solid-liquid separation on the used red mud slurry, drying the obtained solid, enabling the liquid to enter a freezing crystallization unit to obtain a crystallized solid phase and a concentrated liquid phase, and mixing the concentrated liquid phase with the used red mud slurry; and S3, filler preparation: preparing the dried solid into a carrier, and then mixing and loading the carrier with the crystallized solid phase to prepare the sulfur autotrophic denitrification filler. According to the method, resource utilization of hazardous waste can be achieved, the wastewater treatment cost is reduced, and the obtained filler can stably treat wastewater.

The invention provides a preparation method of ultralow-viscosity vinyl methoxy-terminated silicone oil, which is mainly applied to a structure control agent in the field of silicone rubber.The preparation method comprises the steps that a polydimethylsiloxane linear body serves as a raw material, dimethyl vinyl methoxy silane serves as an end-capping reagent, a base catalyst is added, a polymerization reaction is conducted till the viscosity is stable, and the ultralow-viscosity vinyl methoxy-terminated silicone oil is obtained. And adding phosphoric acid gel for neutralization, carrying out gradient heating to 90 DEG C, and carrying out devolatilization under a vacuum condition to obtain the methoxy hydroxyl-terminated silicone oil. The technological process is simple and easy to operate, and the product is uniform in molecular weight distribution and high in flash point, has the advantages of improving the processability and the mechanical property as a structure control agent, and can improve the molecular crosslinking density and improve the strength of a silica gel product in the product vulcanization technological process.

The application discloses a preparation method of a metal catalyst material and application of the metal catalyst material in controllable degradation of polysaccharides, and the preparation comprises the following steps: mixing and reacting a ligand material with a metal ion solution, solid-liquid separation, washing, and drying; grinding the dried solid into powder, and then high-temperature calcining to obtain a metal monatomic catalyst, namely the metal catalyst material; or uniformly mixing and grinding the obtained metal monatomic catalyst with a metal organic framework material, and then high-temperature calcining to obtain a composite metal catalyst material. The metal catalyst material prepared by the application can make up for the limitations of Fenton oxidation principle in degrading polysaccharides, such as large iron consumption, strong pollution, and difficult control, and can avoid the adverse effects caused by the corrosiveness of hydrogen peroxide in actual production and operation. Different molecular weight polysaccharides can be obtained by adjusting the proportion and dosage of the metal catalyst material, the method can prepare polysaccharides with different molecular weights, and the prepared polysaccharides have good uniformity.

The invention discloses a toadstool soilless culture substrate using agricultural waste and a preparation method thereof, and is characterized in that the toadstool soilless culture substrate comprises the following raw materials by mass: 70-98% of agricultural waste, 1-25% of a mixed strain, and 1-5% of a substrate moisture regulator. Reutilization of the substrate is achieved, continuous cropping obstacles are avoided, and meanwhile the cost of the culture substrate is low. Resource recycling of agricultural waste is achieved, energy is saved, and environment protection is facilitated.

This utility model relates to the technical field of cable production equipment, and more particularly to a cable drying device, including a scraper, a mounting plate, a drying chamber, a frame, a first suction wheel, a second suction wheel, a squeezing wheel, and sponge rings. Two parallel mounting plates are vertically arranged at the bottom of the frame. The scraper is horizontally positioned at the bottom front end of the frame. The drying chamber is vertically positioned at the rear top of the frame. The first suction wheel, the second suction wheel, and the squeezing wheel are mounted on the mounting plate directly below the drying chamber via rotating shafts. The rotating shafts of the first suction wheel, the second suction wheel, and the squeezing wheel are located on the same horizontal plane. Sponge rings are provided on the sides of the first and second suction wheels, and the two sponge rings are in contact with each other. One squeezing wheel is located at the front end of the first suction wheel and one at the rear end of the second suction wheel, and the two squeezing wheels are respectively in contact with the first and second suction wheels. This cable drying device can efficiently and cost-effectively complete the cable drying process.

The present application relates to a kind of sandstone aggregate production powder and washing system;It relates to sandstone aggregate production technical field, including grinding mechanism, the import end of the grinding mechanism is fixedly connected with water pump assembly, outlet end is fixedly connected with cyclone centrifugal mechanism;Cyclone centrifugal mechanism is fixedly connected with water pump two, and the lower end of the end of cyclone centrifugal mechanism away from grinding mechanism is equipped with screening mechanism;Screening mechanism is equipped with water tank mechanism below;Multiple grinding rollers follow the quick rotation of plum blossom seat, multiple grinding rollers cooperate grinding ring, can be polished to the sandstone aggregate between grinding roller and grinding ring, remove hard impurities on sandstone aggregate by friction, cooperate with the scouring of water flow to sandstone aggregate, can remove all light and hard impurities on the surface of sandstone aggregate, improve the effect of sandstone aggregate cleaning;After sandstone aggregate cleaning work is finished, open sealing door can clean the impurities in volute feed bin one and cylinder, and it is also convenient to repair and replace grinding roller and bevel cutter through sealing door.

This utility model discloses a comprehensive treatment system for zinc-containing waste generated in viscose fiber production, belonging to the field of waste treatment in viscose fiber production. The system includes a reaction tank, filter press, pretreatment device, filter, ion exchange resin column, and acid bath preparation tank, ensuring a comprehensive treatment pathway for zinc-containing waste. This facilitates the mixing of highly acidic, high-salt zinc-containing wastewater with zinc-containing sludge. The strong acidity of the wastewater allows for the acid leaching of zinc sulfide and zinc hydroxide in the sludge, simultaneously obtaining a zinc sulfate solution and recovering sulfate to prepare sodium sulfate and sulfuric acid. This reduces the salinity of the wastewater, thereby decreasing the amount of reagents used in treating zinc-containing wastewater, mitigating scaling risks, and reducing the load on subsequent biochemical systems.

The application provides an ammonia-sulfur recovery process for ammonia-containing and sulfide-containing wastewater, which comprises the following steps: adsorbing and separating sulfides in ammonia-containing and sulfide-containing wastewater by using iron-carbon composite material to obtain iron-carbon composite material with adsorbed sulfides and ammonia-containing wastewater; and separating and recovering ammonia in the ammonia-containing wastewater by using a gaseous membrane device. The ammonia-sulfur recovery process for ammonia-containing and sulfide-containing wastewater can efficiently recover ammonia and sulfur, has the advantages of low energy consumption and cost, high recovery rate and avoidance of ammonia escape compared with a traditional stripping and stripping method, has the advantages of low comprehensive cost, high recovery efficiency and realization of ammonia and sulfur resource reuse compared with a chemical precipitation method and a biological method. Further, the iron-carbon composite material in the ammonia-sulfur recovery process for ammonia-containing and sulfide-containing wastewater can be recycled, further reducing the cost of consumables.

The invention discloses mixing equipment for release agent production and a preparation process thereof, and relates to the technical field of environmental protection, the mixing equipment comprises a mixing unit and a decarburization unit, and further comprises a desulfurization unit; the decarburization unit is located at the rear end of the mixing unit, flue gas is firstly treated by the decarburization unit, carbon dioxide in the flue gas is removed, and then the flue gas enters the desulfurization unit to remove sulfur dioxide in the flue gas. The decarburization and desulfurization integrated device has the advantages that in the process of producing mixed raw materials through the release agent, decarburization and desulfurization integrated design is adopted for analyzing and absorbing harmful flue gas generated in the preparation process, the occupied area is reduced, waste utilization is achieved, in the analysis process, desulfurization operation does not need to be stopped, and the desulfurization efficiency is improved; the separation of solids in a mixed solution can be accelerated, and when the solids are heated, the probability that the separated solids are adhered to the analysis kettle is effectively reduced, so that the subsequent cleaning of the analysis kettle is facilitated.

The invention relates to a tantalum powder preparation device and a tantalum powder preparation method. The tantalum powder preparation device comprises: a reaction container, in which a vessel is arranged, the vessel is used for containing materials for preparing tantalum powder, and the materials comprise tantalum oxide and magnesium powder; the collector is arranged in the reaction container, the collector comprises a top wall, a bottom wall and a circumferential side wall connected with the top wall and the bottom wall, the bottom wall covers the upper part of the vessel and is provided with a plurality of first through holes, the top wall is provided with a second through hole communicated with an evacuation pipeline, and the bottom wall is provided with a plurality of second through holes communicated with the evacuation pipeline. The collector is configured to collect magnesium vapor entering the collector through the plurality of first through holes. The residual excessive magnesium in the material is collected by the collector, so that the magnesium content in the final tantalum powder product can be obviously reduced, and the purity of the tantalum powder and the performance stability of the product are improved. And moreover, the metal magnesium collected by the collector can be recycled after being purified, so that the reutilization of resources is realized, the consumption of raw materials is reduced, and the potential pollution of magnesium-containing wastes to the environment is reduced.

This application provides an exhaust structure, a battery pack housing, a battery pack, and an electrical device, relating to the field of battery technology. The exhaust structure is disposed in the exhaust channel of the battery pack housing and includes a pipe body and a phase change element. The pipe body includes a gas passage and a accommodating cavity separated from each other. The gas passage allows exhaust gas to flow through, and the accommodating cavity surrounds at least a portion of the outer periphery of the gas passage; the phase change element is located in the accommodating cavity. In the exhaust structure provided by this application, when high-temperature smoke passes through the gas passage, heat is uniformly conducted to the phase change element through the pipe body wall. The phase change element reduces the temperature of the high-temperature smoke, making it easier for the smoke to condense and settle, thus reducing visible smoke. Simultaneously, after thermal runaway smoke flow, the phase change element recovers to a solid state through natural cooling or active cooling, enabling reuse and improving the service life of the exhaust structure.

A target vehicle for irregularly moving shooting training systems, belonging to the field of target vehicle technology, includes a mobile target vehicle, a target plate system, a target plate fixing mechanism, and a target plate mounting base. The target plate mounting base is slidably installed inside the mobile target vehicle. Multiple target plate systems are rotatably installed on the target plate mounting base, and the target plate fixing mechanism is fixedly installed on the target plate mounting base. Each target plate system includes a rotating unit, a fixing unit, a pushing mechanism, a locking mechanism, a telescopic sleeve, a spring, a fixing clamp, a target plate, a drive gear, a ratchet, and a limiting shaft. The rotating unit is rotatably installed on the fixing unit, and the pushing mechanism is installed in the groove of the fixing unit. This angle is the target plate ejection angle. Then, the fixing base plate of the target plate system is slidably installed on a hexagonal prism, which realizes the ejection of the target plate at different angles, achieving different shooting angles, thereby improving the training effect.

The invention discloses a supporting and lubricating device for a dynamic test of an engine turbine pump rotor. The supporting and lubricating device comprises a first supporting seat, a second supporting seat, an embedded oil spraying pipe, a quick-insertion oil supply connecting nozzle, a quick-insertion oil spraying bent pipe, a radial quick-insertion connector, a first swing frame and a second swing frame. The first supporting seat is arranged on the first swing frame, and the second supporting seat is arranged on the second swing frame; the first supporting seat and the second supporting seat are positioned on the same horizontal plane and are arranged in parallel; the first supporting seat is an independent rotary body, a first supporting seat axial oil supply hole is formed in the axial direction of the first supporting seat, and a first supporting seat radial oil supply hole and a first supporting seat through oil return hole which are communicated with the first supporting seat axial oil supply hole are formed in the radial direction of the first supporting seat; the high-efficiency, high-reliability and low-cost dynamic test requirements of the ultra-high-speed flexible rotor can be met, a supporting effect can be provided, efficient lubricating and cooling of paired bearings can be achieved in a small gap and a narrow space, and the matching precision with a dynamic test system is high.

The present application relates to the technical field of seedling raising, and discloses an intelligent cultivation frame for agricultural seedling raising, which comprises a cultivation frame body, a cultivation placing base for establishing seedlings in a stacked manner, a first layer plate, a second layer plate and a third layer plate, side plates arranged on the side walls of the first layer plate, the second layer plate and the third layer plate to form a layered structure from top to bottom, and a cultivation plate arranged equidistantly on the cultivation frame body to construct a growth space for seedlings, comprising an external sleeve on the cultivation frame body, a water extension groove arranged on the external sleeve, a water guide arranged in the external sleeve to establish a water guide path for water flowing to the center of the external sleeve, and an internal sleeve arranged in the external sleeve, wherein the internal sleeve is provided with a water passing groove group communicating with the water guide path of the water guide. The present application increases the root absorption effect during irrigation and the soil wrapping integrity of seedlings during transplanting.