37results about How to "Efficient cycle" patented technology

The application discloses a method for treating antibiotic wastewater by using a graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate, and the method is characterized by using the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst to activate persulfate for degrading and treating antibiotic wastewater, wherein the graphdiyne / ferrous indium sulfide nanocomposite comprises ferrous indium sulfide nanoparticles, and the nanoparticles are loaded with graphdiyne nanosheets. The method for treating antibiotic wastewater by using the graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate uses the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst, wherein the nanocomposite has many reactive sites, high catalytic activity and good stability, can efficiently activate persulfate with a smaller amount of catalyst, can efficiently remove antibiotics in wastewater, and has the advantages of low cost, high treatment efficiency, good removal effect, green environmental protection and the like, and therefore, the method has important significance for effectively purifying antibiotic wastewater, has high use value and good application prospect.

This invention discloses a method for the direct oxidation of methanol to synthesize calcium formate. The method mainly involves adding a catalyst, methanol, and calcium hydroxide to a reaction vessel and then pressurizing the reaction. Under the action of the catalyst, methanol is oxidized to formic acid, which then rapidly reacts with calcium hydroxide to produce calcium formate, achieving a yield of up to 63.4%. This invention directly oxidizes methanol to synthesize calcium formate. Subsequent operations can further produce formic acid and methyl formate derivatives to increase its added value. Simultaneously, the calcium ions in the calcium formate can be effectively recycled. This invention has advantages such as readily available and simple raw materials, mild reaction conditions, convenient catalyst preparation, low production cost, and recyclability, making it highly valuable for market applications.

The present invention relates to an electrochemical carbon dioxide conversion system, which includes: a first electrode; a second electrode; and a separator membrane positioned between the first electrode and the second electrode, being porous and comprising a first layer and a second layer having different average pore sizes.

This invention belongs to the field of lithium metal battery technology, specifically relating to a fluorinated phase-separated polymer ion gel electrolyte, its preparation method and application, and lithium metal batteries. The fluorinated phase-separated polymer ion gel electrolyte provided by this invention comprises a solid phase and a liquid phase; the solid phase is a copolymer of a fluorinated acrylate monomer and a crosslinking agent containing carbon-carbon double bonds; the liquid phase comprises an ionic liquid and a lithium salt dissolved in the ionic liquid. Compared to liquid electrolytes and traditional SPEs, the fluorinated phase-separated polymer ion gel electrolyte provided by this invention has high ionic conductivity, mechanical strength, interfacial stability, and safety. It can effectively suppress the growth of lithium dendrites and adapt to large volume changes, avoiding short circuits and thermal runaway in lithium metal batteries under conditions of overcharging, over-discharging, or mechanical impact.

The utility model relates to the technical field of oil presses, and discloses an oil press with a good heat dissipation effect, which comprises a base, the top of the base is fixedly connected with an oil press body, the top of the oil press body is fixedly connected with a hydraulic oil cylinder, and the top of the oil press body is provided with a first heat dissipation mechanism. A second heat dissipation mechanism is arranged on the right side of the top of the base, the first heat dissipation mechanism comprises a protection frame, the protection frame is fixedly connected to the top of the oil press body, a heat dissipation frame is fixedly connected to the top of the protection frame, a servo motor is fixedly connected to the top of the heat dissipation frame, and a rotating shaft is fixedly connected to the bottom of the servo motor. Through the arranged first heat dissipation mechanism, when the oil press body is used, efficient circulation of cooling liquid in a heat conduction pipe is guaranteed through the connection mode of a water tank and a water pump, heat near a hydraulic oil cylinder can be taken away under the action of the heat conduction pipe, water cooling heat dissipation is conducted, and meanwhile a servo motor drives fan blades to rotate.

The utility model relates to the technical field of lead frames, and discloses a modular structure for a semiconductor lead frame mold, which comprises a lower mold body and an upper mold body, the outer surface of the lower mold body is provided with a clamping groove, the inner surface of the lower mold body is provided with a mold cavity, and the outer surface of the upper mold body is provided with an injection port in a penetrating manner. The lower mold body and the upper mold body are installed in an inserted mode, a fixing assembly and a circulating assembly are arranged at the other end, away from the upper mold body, of the lower mold body, the fixing assembly comprises a fixing box and a base which are fixedly installed at the other end, away from the lower mold body, of a fixing base, and a limiting base and a limiting ring are fixedly installed at the end, close to the lower mold body, of the fixing base. According to the modular structure for the semiconductor lead frame mold, through the structure and communication design of the circulating pipes, cooling liquid is efficiently circulated, the heat exchange area is increased, mold heat dissipation is effectively achieved, stable operation of the mold is guaranteed, the lifting hooks and the clamping hooks can be conveniently matched with lifting equipment, carrying of the lower mold body and the upper mold body is facilitated, and operation safety and efficiency are improved.

The utility model relates to the technical field of cooling of SVG equipment, in particular to a cooling liquid release device and an SVG system, which comprise a cooling liquid tank, a water outlet pipeline, a water return pipeline and a power module, a water outlet of the cooling liquid tank is connected with one end of the water outlet pipeline, and the other end of the water outlet pipeline is connected with a water inlet of the power module. A water outlet of the power module is connected with one end of a water return pipeline, the other end of the water return pipeline is connected with a water return port of the cooling liquid tank, and a quick release assembly is further arranged on the water return pipeline. Cooling liquid in the cooling liquid tank reaches the power module through the water outlet pipeline, so that heat generated by the power module is taken away, and the cooling liquid flowing through the power module flows into the cooling liquid tank through the water return pipeline. When the power module breaks down, the cooling liquid in the power module needs to be discharged and the power module needs to be replaced, and the cooling liquid in the power module can be quickly released by arranging the quick release assembly, so that the fault processing time is shortened.

The utility model relates to kitchen small household electrical appliance technical field, concretely relates to a kind of compact air fryer of high-efficiency heating, including shell, upper pot body component, lower pot body component, heating mechanism, air deflector etc., upper pot body component and lower pot body component are arranged up and down in vertical direction, not traditional side by side, this makes equipment more compact in width direction, heating mechanism is centrally arranged in shell, the heating mechanism includes the heating pipe generating heat and fan driving air circulation, air deflector is arranged in front of the air outlet of heating mechanism, is the core component of high-efficiency heating, the air deflector is designed with the lower air deflector channel of downwardly inclined extension, the air outlet of lower air deflector channel is accurately aligned with the air inlet of pot body component, hot air is efficiently guided to upper pot cooking space, the utility model overcomes the problem that existing double-pot air fryer is designed more left and right, leading to equipment overall width is larger, occupies kitchen countertop space more, not enough compact.

The utility model relates to the technical field of gyro wheel needle bearing, and disclose a gyro wheel needle bearing with flange of outer ring, including: bearing body, setting the bearing outer ring of bearing body outside, setting the bearing inner ring of bearing body inside, fixedly connected in the rubber ring of bearing outer ring inner wall, and fixedly connected in the installation subassembly between bearing outer ring and bearing inner ring, this gyro wheel needle bearing with flange of outer ring, can evenly bear the load through horizontal needle, guarantee the stability of bearing operation, utilize vertical needle and increase the load capacity of bearing, through vertical needle and horizontal needle mutual cooperation, can bear the load in different directions, lubricating oil can enter the oil hole from the oil hole and reach the working surface of horizontal needle, vertical needle through oil hole no.

The utility model relates to the technical field of lithium battery production auxiliary equipment, in particular to a flame-retardant storage device for lithium battery raw materials, which comprises an inner box body, a left inner box door and a right inner box door which are mutually symmetrical are hinged on the front side face of the inner box body, a gas suction pump is arranged outside the inner box body, and a suction pipe is fixedly mounted at the gas inlet end of the gas suction pump. The suction pipe extends into the inner box body, a nitrogen generator and a gas delivery pump are further arranged outside the inner box body, the gas inlet end of the gas delivery pump is communicated with the nitrogen generator through a gas inlet pipe, a gas outlet pipe is fixedly installed at the gas outlet end of the gas delivery pump, and a left uniform distribution pipe and a right uniform distribution pipe are fixedly installed on the gas outlet pipe; the two uniform distribution pipes are fixedly installed on the inner walls of the left side and the right side of the inner box body respectively, and air outlet ends are fixedly installed at the bottom ends of the uniform distribution pipes and fixedly installed on the bottom wall of the inner box body. The lithium battery has the advantage of flame-retardant storage, and combustion reaction of raw materials of the lithium battery is effectively inhibited.

The invention discloses a method and equipment for processing and producing second-class base oil by taking first-class base oil regenerated by waste lubricating oil as a raw material, and belongs to the technical field of regenerated lubricating oil. Atmospheric and vacuum distillation is combined with NMP solvent refining, and the waste lubricating oil is regenerated into qualified first-class base oil to serve as an exclusive raw material; preheating the raw material to 60-80 DEG C under the protection of nitrogen, and introducing the preheated raw material into an adsorption column at a flow rate of 0.5-2.0 BV / h, so that the raw material sequentially passes through a macroporous silica gel layer (the particle size is 0.1-1.5 mm) and an active white clay layer (the mass ratio of the macroporous silica gel layer to the active white clay layer is 2: 1) with specific parameters, and deep synergistic adsorption refining is carried out; after the refined oil enters a storage tank, vacuum is applied to suck residual oil in the column into the tank, and second-class base oil is obtained after heat preservation sedimentation and precise filtration. Under the mild non-hydrogenation condition, high added value upgrading of the waste lubricating oil is achieved, and the method has the comprehensive advantages of being efficient in process, high in product yield, stable in quality and low in energy consumption and cost.

This invention discloses a method for preparing a spatially confined copper-based catalyst for activating persulfate degradation of organic pollutants in water: (1) Dissolve nano-oxide materials and carbon sources in a solvent, stir thoroughly, centrifuge, dry, and then calcine the resulting powder at high temperature. After cooling, etch with an etching solution, centrifuge, and dry to obtain spatially confined carbon spheres; (2) Disperse the spatially confined carbon spheres obtained in step (1) with copper salt and precipitant in water, centrifuge, dry, and then calcine the resulting powder at high temperature. After cooling, the spatially confined copper-based catalyst is obtained. This invention also includes the spatially confined copper-based catalyst prepared by the above method and its application in activating persulfate degradation of organic pollutants in water. By constructing a carbon sphere-CuO heterostructure catalytic structure with spatial confinement effect, the synergistic effect of spatial confinement, interfacial electronic coupling, and active sites is fully utilized, achieving multiple synergistic regulation of pollutant enrichment, rapid electron transport, and selective activation of persulfate. Compared with traditional copper-based catalytic systems, this invention can effectively regulate the generation pathway of reactive oxygen species, significantly improve the utilization efficiency of persulfate and the selectivity of pollutant degradation, and significantly enhance the stability, anti-interference ability and recycling performance of the catalyst. It can be widely used in the deep purification of recalcitrant organic pollutants such as pesticides, antibiotics, and phenols, as well as in the treatment of complex wastewater.

The utility model provides a gearbox with an efficient heat dissipation function, and relates to the technical field of mechanical transmission equipment, the gearbox comprises a gearbox body, a gear transmission assembly and a heat dissipation assembly, the gear transmission assembly is installed in the gearbox body and comprises gear sets meshed with each other; the gear box body further comprises an upper box body and a lower box body. The heat dissipation assembly comprises at least one group of drainage plates which are fixed on the outer wall of the lower box body; the at least one group of oil well pumps are fixed on the outer wall of the upper box body; the at least one group of radiating fins are in threaded connection with the side end of the drainage plate through bolts; by optimizing the structures of the drainage plate, the S-shaped drainage groove, the heat dissipation fins, the heat dissipation fan and the like, the cooling efficiency of lubricating oil is remarkably improved, the problem that the oil temperature is too high under high-load operation is effectively solved, and the stability and reliability of equipment are improved.

The utility model discloses a kind of cooling and drying equipment for plastic particles, it is related to plastic particle production technical field, including drying outer tube, still including the partition inner cover of being set in drying outer tube, the below of partition inner cover is equipped with feeding area, the above of partition inner cover is equipped with discharge area, feeding area is equipped with plastic particle lifting mechanism and air cooling mechanism, the bottom of drying outer tube is fixed with base;A kind of cooling and drying equipment for plastic particles provided by the utility model, by setting partition inner cover in drying outer tube to form feeding area and discharge area, and being equipped with plastic particle lifting mechanism, air cooling mechanism and the like components, the efficient cooling and drying of plastic particles is realized, reduce energy consumption while enhancing cooling and drying effect, stable operation, easy maintenance, it is favorable for reducing production cost, improve enterprise economic benefits.

This utility model relates to the field of dryer technology, and provides a dryer for multi-layer board processing that facilitates material feeding. It includes a dryer and a support frame. A material feeding and anti-jamming component is provided on the side of the dryer. This component includes a rotating rod, one end of which is rotatably connected to the side of the support frame. A conveyor belt is provided on the circumference of the rotating rod, and spacer rods are fixedly connected to the surface of the conveyor belt. An exhaust anti-blocking component is provided on the top of the dryer, including a shaped rod, one end of which is fixedly connected to the side of a rack. This technical solution solves the technical problem in related / existing technologies where a material feeding dryer for multi-layer board processing cannot prevent debris from obstructing the conveyor belt's transport of multi-layer boards.

The application discloses a movable emergency modular transformer substation, and relates to the technical field of transformer substations. The transformer substation comprises a shell, universal wheels, a voltage transformation mechanism and a temperature control mechanism. The voltage transformation mechanism and the shell are fixedly connected, the temperature control mechanism and the shell are fixedly connected, the temperature control mechanism and the voltage transformation mechanism are communicated, the shell and the universal wheels are fixedly connected, the universal wheels are located below the shell, and the temperature control mechanism is located on the periphery of the shell. The shell provides high-strength physical protection and support space for the whole device. The universal wheels located below the shell endow the transformer substation with flexible moving capability, so that the transformer substation can quickly respond to emergency demands. The voltage transformation mechanism is fixed in the shell to perform core voltage conversion operations. The temperature control mechanism located on the periphery of the shell and communicated with the voltage transformation mechanism can perform real-time thermal management on the internal environment of the shell, so that the voltage transformation mechanism can stably operate for a long time at a suitable temperature.

The application discloses a high-heat-dissipation carbon dioxide catalytic reduction electrolytic cell, which comprises a carbon dioxide catalytic reduction electrolytic cell assembly, a first heat-dissipation assembly and a second heat-dissipation assembly are arranged on the carbon dioxide catalytic reduction electrolytic cell assembly, the first heat-dissipation assembly forms a heat-dissipation structure of a cathode chamber of the carbon dioxide catalytic reduction electrolytic cell assembly, and the second heat-dissipation assembly forms a heat-dissipation structure of an anode chamber of the carbon dioxide catalytic reduction electrolytic cell assembly; when the cathode chamber and the anode chamber are heated, the condensed liquid at the bottom of the back-shaped heat-dissipation pipe is vaporized, at this time, a large amount of heat is absorbed, heat dissipation of the cathode chamber and the anode chamber is realized, the vaporized condensed liquid is liquefied through cooperation of the heat-dissipation fins, the heat-dissipation fan, the V-shaped heat-dissipation pipe and the cooling water pipe, then the liquefied condensed liquid returns to the bottom of the back-shaped heat-dissipation pipe, and thus the circulation of heat dissipation and heat radiation is realized.

The application relates to the technical field of inorganic chemical synthesis, in particular to a sodium carbonate preparation method based on ternary synthesis technology. The method takes sodium chloride, liquid ammonia and carbon dioxide as ternary raw materials, and through a'segmented carbonization-gradient temperature control crystallization-CO2 closed loop recovery-mother liquor optimization treatment' synergistic process, first, uniform crystal nuclei are induced through low-temperature pre-carbonization, then, sufficient reaction is promoted through medium-temperature deep carbonization, and the crystal structure is optimized by combining gradient cooling crystallization and aging, and the efficient recycling of carbon, ammonia and salt resources is realized. The application improves the carbon dioxide utilization rate and the product purity, optimizes the crystal particle size uniformity, reduces the energy consumption and the environmental protection load, the process is stable and easy to control, and has strong industrialization adaptability, and the obtained sodium carbonate can meet the strict requirements in the fields such as food processing, and has economic and environmental benefits.

The application discloses a kind of red blood cell biomimetic MOFs and its preparation method and application, belong to biomaterial technical field. Including drug-loaded MOFs and the red blood cell membrane layer coated outside MOFs;The MOFs are selected from UiO-66-NH2;The UiO-66-NH2 is the microparticle that amino functional group is connected on UiO-66;The drug-loaded MOFs are loaded with double apparent genetic drugs;The double apparent genetic drugs are CM272 and MA. By targeting three kinds of epigenetic modification, simultaneously control DNA methylation in leukemia cell, histone methylation and RNA methylation to enhance the immune response to acute myeloid leukemia, and utilize biomimetic MOFs microparticle to overcome the hypoxic microenvironment of leukemia, enhance the therapeutic activity of loaded drug, and induce leukemia cell and leukemia cell mesenchymal stem cell death.

The invention relates to the field of sodium ion batteries, and discloses a preparation method and application of a ferrocobalt bimetallic sulfide nitrogen-doped porous carbon framework composite material. The preparation method comprises the following steps: by taking aminotriacetic acid as a ligand, chelating cobalt and iron ions through ball milling to prepare a CoFe-NTA precursor; the precursor is pyrolyzed, metal ions are subjected to carbon thermal reduction, and nitrogen-doped carbon formed by in-situ conversion of nitrilotriacetic acid can be tightly combined with ferrocobalt sulfide, so that the volume change generated during deintercalation of sodium ions can be effectively relieved, the cycling stability of the material can be enhanced, and the conductivity and the sodium ion diffusion rate of the composite material can be improved; and carrying out gas-phase vulcanization to finally obtain the ferrocobalt bimetallic sulfide nitrogen-doped porous carbon framework composite material. The nitrogen-doped porous carbon framework is beneficial to contact between electrolyte and an electrode material, active sites are fully utilized, the structural stability of the composite material can be enhanced, and when the nitrogen-doped porous carbon framework is used as a sodium-ion battery negative electrode, the nitrogen-doped porous carbon framework shows excellent sodium storage performance.

The utility model discloses a kind of fuel cell cathode gas supply structure and fuel cell system thereof, the fuel cell cathode gas supply structure includes electric pile, air compressor and first heat exchange area;Air compressor has high-pressure air outlet and energy recovery end;First heat exchange area has first air inlet passage and first heat exchange passage;The high-pressure air outlet of air compressor and the first air inlet passage of first heat exchange area are sequentially communicated, and high-pressure gas supply flow path is formed in common;The first heat exchange passage of first heat exchange area and the energy recovery end of air compressor are sequentially connected, and low-pressure gas heat exchange flow path is formed in common, the two ends of high-pressure gas supply flow path and low-pressure gas heat exchange flow path are connected by electric pile and air compressor respectively, to form first circulation loop. To realize the energy generated in the working of cathode gas supply system effectively circulation, recycling, can greatly reduce the power consumption of cathode gas supply system, and effectively improve the working efficiency of fuel cell system.

This application relates to the technical field of food processing, and in particular to a food soaking device for food processing, including a soaking tank and a conduit. The food soaking device further includes: by setting up a first filter screen, a second filter screen, an activated carbon filter layer, and an ultraviolet lamp assembly, it can further filter small particulate residues remaining in the wastewater discharged from the conduit, further removing impurities. Combined with the activated carbon filter element adsorbing odors, pigments, and some organic pollutants in the wastewater, it can significantly improve the cleanliness of the wastewater. Subsequent ultraviolet sterilization treatment can kill bacteria and other microorganisms that may be present in the wastewater, making the purified wastewater more suitable for reuse. This facilitates its return to the storage tank for reuse in food soaking, reducing the consumption of fresh water and achieving efficient water resource recycling. Furthermore, multi-stage filtration can effectively intercept and treat various pollutants in the wastewater, preventing untreated wastewater from polluting the water in the storage tank during the recycling process.

The utility model discloses a fiber slurry dispersing device, which comprises a tank body, a dispersing device and a driving device, wherein the tank body is used for accommodating fiber slurry; the upper cutter structure is rotatably arranged in the groove body; the lower cutter structure is rotatably arranged in the groove body and is positioned below the upper cutter structure; the turbulent flow structure is installed on the side wall of the groove body and located around the upper cutter structure and the lower cutter structure; wherein the rotating speed of the upper cutter structure is higher than that of the lower cutter structure, and the fiber pulp can be pushed to flow upwards along the side wall of the groove body under the rotation of the lower cutter structure and flow towards the lower cutter structure on the inner side under the disturbance of the turbulent flow structure. According to the utility model, the fiber slurry can form good circulation in the tank body by utilizing the lower cutter structure and the disturbance structure, so that fibers in the fiber slurry are dissociated and uniformly dispersed through continuous collision, scattering and friction of the upper cutter structure, and impurities attached to the fibers are stripped and broken at the same time.

The utility model relates to a coin pushing machine, which comprises a case, at least one group of coin inserting devices and at least one group of coin pushing devices are arranged on the case, each coin inserting device comprises an operation platform and a coin inserting platform, and each coin pushing device comprises a coin pushing platform, a coin pushing mechanism, a first circulating mechanism and a second circulating mechanism. The coin pushing mechanism is installed on the coin pushing platform, a first coin falling opening is formed between the coin pushing platform and the coin inserting platform, game coins can fall to the first circulating mechanism through the first coin falling opening, two second coin falling openings are formed in the coin pushing platform, and the game coins can fall to the second circulating mechanism through the second coin falling openings. The first circulating mechanism is communicated with the second circulating mechanism, the second circulating mechanism is connected with a coin outlet head, and the coin outlet head is located above the coin pushing platform. The beneficial effects of the utility model lie in that efficient circulation and redistribution of game coins can be realized, and the interestingness and fluency of games are improved.

This utility model relates to an intelligent weighing and material inspection device, comprising: a roller conveyor, wherein the roller conveyor drives several rollers to rotate via a power shaft, and several material inspection boxes are arranged on the rollers; a lifting mechanism is arranged on one side of the roller conveyor, and a gravity sensor is installed at the contact point between the lifting mechanism and the material inspection box; when the material inspection box on the roller conveyor is pushed above the lifting mechanism, the lifting mechanism lifts it up to disengage the material inspection box from the roller conveyor; the material inspection box in the lifting state receives material from the discharge port; when the material received by the material inspection box reaches a preset weight, the lifting mechanism lowers to allow the full material inspection box to fall back onto the roller conveyor, and the roller conveyor is activated to make the full material inspection box roll towards the discharge port.

The application provides a hierarchical heating directional circulation spray fluidized bed, which is composed of multiple groups of sequentially connected spray drying basic units. Each group of the spray drying basic units comprises a wind distribution plate, a nozzle, a first partition plate, a second partition plate and an inclined plate. The first partition plate and the second partition plate are arranged at intervals to form multiple groups of associated high-speed beds and low-speed beds. The nozzle is inserted from the center of the wind distribution plate of the high-speed bed, the nozzle outlet is located above the wind distribution plate, and the inclined plate is located in the low-speed bed. The temperature of the fluidizing air passing through each group of the basic units is sequentially increased. Thus, the particles form a regular and orderly directional circulation from the high-speed bed to the low-speed bed and then to the high-speed bed, and the particles obtain the coating solution in stages during the circulation process, and are dried to form a coating layer. The application has a simple structure and a reasonable design. The directional movement of the particles and the hierarchical heating are realized by the high-low partition plates and the adjustment of the fluidizing air speed and the air temperature, which is beneficial to the controllable drying and uniform flow of the particles and improves the uniformity of the particle coating.

The invention belongs to the technical field of biomass gasification production, and particularly relates to a green hydrogen coupled biomass hydrogasification furnace system and hydrogasification method.The system comprises a biomass gasification furnace, and a furnace cavity of the biomass gasification furnace is sequentially divided into a drying layer, a hydropyrolysis layer, a hydrogasification layer, a reduction gasification layer and an oxidation slag layer from top to bottom; a biomass feeding hole is formed in the top of the biomass gasification furnace, and a spiral stirring mechanism is arranged in the center of the biomass feeding hole. The spiral stirring mechanisms are arranged on the drying layer and the hydropyrolysis layer which are most prone to generating tar, materials are mechanically crushed and stirred, bed blockage caused by biomass raw material bonding and tar foam is effectively prevented, and stable operation of the gasifier is guaranteed.

The utility model discloses a medium window heating mechanism of etching equipment and etching equipment, including casing and the medium window arranged in the casing, the casing is provided with at least one heating assembly, the heating assembly comprises an airflow amplifier connected with a compressed air source, the suction end of the airflow amplifier is communicated with the inner cavity of the casing, and the suction end of the airflow amplifier is communicated with the inner cavity of the casing. The exhaust end of the airflow amplifier is connected with the air inlet end of the heating pipe through a pipeline, and the air outlet end of the heating pipe is communicated with the inner cavity of the machine shell. According to the utility model, the temperature rise of the medium window can be assisted, the invalid standby time caused by temperature rise can be reduced, the running time loss of a machine can be reduced, and the etching efficiency can be improved.

This invention provides a method and system for hydrothermal-roasting coupled cascade separation and full-component resource recovery of vanadium-phosphorus iron, belonging to the field of resource utilization technology. The invention includes raw material pretreatment, hydrothermal pre-dephosphorization, low-temperature composite salt roasting for vanadium extraction, water leaching and vanadium recovery, and molten reduction alloying. This invention pioneers a coupling mechanism between "hydrothermal pre-dephosphorization" and "low-temperature composite salt roasting for vanadium extraction," and connects it with "molten reduction alloying," forming an inseparable cascade separation and full-scale recovery closed-loop system. Under mild conditions, it achieves a phosphorus removal rate exceeding 92% and a vanadium conversion rate exceeding 99%, reducing energy consumption by approximately 30% and solid waste emissions by more than 85% compared to traditional processes. It simultaneously produces three high-value products: high-purity vanadium pentoxide, agricultural phosphate, and stainless steel master alloy, possessing multiple advantages such as high resource utilization, clean and low-carbon operation, and significant economic benefits.