101results about How to "Avoid energy consumption" patented technology

The invention provides a laser radar adjusting method and system for rainy and foggy weather, a medium and a vehicle, and belongs to the technical field of intelligent driving, and the method comprises the steps: obtaining real-time weather state information which comprises at least one of rainfall information and foggy weather visibility information; based on the real-time weather state information, calculating an influence factor of a current weather condition on a laser radar atmospheric propagation path; based on the influence factor, determining a laser radar atmospheric attenuation coefficient under the current weather condition; and based on the atmospheric attenuation coefficient, adjusting working parameters of the laser radar to compensate echo signal intensity reduction caused by atmospheric attenuation. According to the invention, the accuracy of laser radar adjustment in rainy and foggy weather is improved, and the intelligent degree and safety of intelligent driving are improved.

The utility model relates to a drilling dust removal mechanism for aluminum substrate machining, which comprises a machining table, an air suction pipeline is arranged at the upper end of the machining table, one end of the air suction pipeline is communicated with a fixed air suction pipe head, a rotating groove is formed in the middle of the air suction pipe head, and a through hole is formed in one side of the middle of the air suction pipe head in a penetrating manner; a top plate is fixedly connected to the upper end of the rotating gear ring, a plurality of guide sliding grooves are evenly formed in the periphery of the middle of the top plate, a plurality of moving grooves are evenly formed in the periphery of the middle of the rotating gear ring, sliding rods are slidably clamped to the middles of the moving grooves, baffles are fixedly installed on one sides of the upper portions of the middles of the sliding rods, and the upper ends of the sliding rods are slidably clamped to the middles of the corresponding guide sliding grooves. A protection cover is fixedly installed on one side of the air suction pipe head, a fixing plate is fixedly installed on one side of the middle of the protection cover, and a gear is rotationally installed at one end of the fixing plate and meshed with the rotating gear ring. When in use, the dust removal device can dynamically adapt to a processing scene, so that the dust removal efficiency and the energy consumption are optimized, and the energy-saving effect is achieved.

The application provides a LoRa positioning method and system based on symbol level frequency hopping, and the method comprises the following steps: a commercial LoRa node generates a LoRa signal, and sends a symbol level frequency hopping signal by dynamically adjusting a carrier frequency; a receiving gateway receives the symbol level frequency hopping signal, aligns a demodulation window by using a time-frequency window alignment algorithm, and eliminates frequency offset; a calculation server integrates cross-band channel state information of the frequency hopping signal by coherent multi-channel splicing, calculates a power delay spectrum, jointly estimates an angle of arrival and a time of flight by using a multiple signal classification algorithm, and obtains a target node position by fusion calculation. The method of the application significantly improves positioning accuracy and greatly shortens positioning delay.

The invention relates to the technical field of electric sofa energy-saving control systems, and discloses an electric sofa energy-saving control system and method based on pressure induction, the energy-saving control system comprises a pressure induction module, an electric adjusting module, a control module, an energy-saving management module, an intelligent temperature control module and a self-adaptive massage module; through the system and the method, electric energy waste can be reduced when the electric sofa is used, and the energy-saving effect is improved.

The invention discloses a preparation method of a polypropylene composite filler based on electrocatalytic oxidation coal gasification fine slag as a raw material, the preparation method comprises the steps of raw material treatment, system modification, material electrolytic oxidation and material post-treatment, the polypropylene composite filler comprises polypropylene resin and the polypropylene composite filler, based on the total weight of the composite material, the usage amount of the composite filler is 5-20wt%, and the usage amount of the composite filler is 5-20wt%. The raw materials comprise an environment-friendly functional auxiliary agent accounting for 0.5-5% of the total weight of the composite material, and the functional auxiliary agent is selected from one of a weather-proof agent, a halogen-free flame retardant and a bio-based antibacterial agent. The method has the advantages that the low-temperature plasma pretreatment and the composite modifier assisted electrocatalytic oxidation process are combined, a large number of active sites can be quickly and efficiently introduced on the surface of the coal gasification fine slag through the low-temperature plasma treatment, and the surface energy and the reaction activity of the coal gasification fine slag are remarkably enhanced.

The utility model discloses a kind of based on machine vision and magnetic force adjustable conveying belt metal foreign matter removal device, including device rack, conveying belt, driving device, industrial camera, suction adjustable electromagnet, main control system, wherein, conveying belt is equipped on device rack, industrial camera is fixedly connected on device rack, mounting rack is fixedly connected on device rack, mounting disc is rotatably connected on mounting rack, suction adjustable electromagnet is fixedly connected on mounting disc, suction adjustable electromagnet corresponds with the conveying belt, driving device is fixedly connected on mounting rack, driving device is power connected with mounting disc, industrial camera, driving device, suction adjustable electromagnet are all signal connected with main control system.The utility model relates to the technical field of metal foreign matter removal device, it has the characteristics of metal foreign matter accurate identification and selective removal, avoid pellet mistake adsorption.

The invention relates to the technical field of deep-sea mineral resource exploitation, and discloses a deep-sea mining pipeline particle conveying device and method based on rotational flow hydraulic lifting, and the device comprises a feeding pump, a pressure regulating valve, a conveying pipeline, a flow deflector, a supporting hub, a flow velocity sensor, a particle distribution sensor, a pressure sensor, a control terminal and a data acquisition system; the flow deflector is installed on the conveying pipeline through the supporting hub, the conveying pipeline is provided with a feeding port and a discharging port, the flow velocity sensor and the particle distribution sensor are both installed on the feeding port, the pressure sensors are evenly arranged in the axial direction of the conveying pipeline, the feeding pump is connected with the feeding port through the feeding pipe, and the pressure adjusting valve is installed on the feeding pipe. The flow velocity sensor, the particle distribution sensor and the pressure sensor are all connected with the data acquisition system, and the control terminal is respectively connected with the feeding pump and the data acquisition system. The inclination angles of the flow deflectors are simulated and optimized through fluid dynamics, particle aggregation in the conveying pipeline is reduced, and the defect of high energy consumption or low conveying capacity is overcome.

The invention provides a PFC control parameter self-adaptive adjusting system and method based on a charging method. Belongs to the technical field of fast charging power management. The method comprises the steps of performing real-time analysis on a USB PD protocol, obtaining corresponding data supported by charging equipment, synchronously collecting voltage and current signals of a power grid, performing online impedance estimation, and generating impedance characteristic data of the power grid; constructing a scene feature vector in combination with a charging stage identification result; by analyzing the scene feature vector in real time and dynamically generating the optimal control parameter, the power factor can be stably higher than 0.98 and the THD is strictly controlled within 5% under the conditions of wide voltage and multiple powers, so that efficient and stable electric energy conversion is realized, and the charging efficiency and quality are improved.

The utility model discloses a water -cooled coal bed gas hydraulic fracturing system, this system passes through integrated high -efficient water -cooling unit, effectively solved traditional coal bed gas hydraulic fracturing system in air -cooled heat dissipation efficiency low, energy consumption is high, loud and frequent maintenance technical problem. System adopts plate heat exchanger and circulating cooling water system, has realized the accurate control of hydraulic oil temperature, has improved system energy efficiency and operating stability significantly, especially suitable for coal mine underground limited space and high dust environment. The system has heat dissipation efficiency high, compact structure, energy consumption is low and maintenance cycle long etc. advantage, provides strong support for the efficient exploitation of coal bed gas.

The invention discloses a high-capacity circuit breaker heat dissipation structure based on a micro-nano structure heat pipe, and belongs to the technical field of circuit breaker heat dissipation. Comprising a vacuum arc extinguish chamber, an arc extinguish chamber heat dissipation device, a micro-nano structure heat pipe and a heat pipe heat dissipation device. The arc extinguish chamber heat dissipation devices are arranged on the two sides of the vacuum arc extinguish chamber, the micro-nano structure heat pipe is embedded in a static conducting rod of the vacuum arc extinguish chamber, and the heat pipe heat dissipation fins are arranged on the heat pipe. Through cooperation of the arc extinguish chamber heat dissipation device and the micro-nano structure heat pipe, radial conduction and axial rapid conduction of heat of the vacuum arc extinguish chamber are realized, and temperature rise of the high-capacity circuit breaker is remarkably reduced.

A multifunctional vermicelli production line, arranged sequentially according to the material conveying direction, includes a dry powder quantitative conveying device, a powder-liquid quantitative dispensing device, a powder mixing device, a raw vermicelli dough conveyor, a drum powder conveyor, a dough dough cooking machine, a cooked dough dough conveyor, a dough dough extruder, a vermicelli conveyor, a vermicelli pelletizer, a high-pressure extrusion machine, a vermicelli stabilizer, an anhydrous ambient temperature loosening machine, a vermicelli cooking machine, a moisturizing jelly machine, a vermicelli stretching machine, a cutting and boxing machine, a vermicelli block shaping machine, a dryer, an air cooler, and packaging equipment. The powder mixing device includes a pulping machine, a slurry coating machine, and a powder mixing machine. The powder-liquid quantitative dispensing device conveys dry powder to a quantitative storage tank and quantitatively supplies water to the pulping machine. The quantitative storage tank quantitatively conveys dry powder to the powder mixing machine. The pulping machine conveys slurry to the slurry coating machine, which then coats the dry powder in the powder mixing machine with the slurry, forming raw vermicelli dough within the powder mixing machine. By adding a pulping machine and a slurry coating machine to the production line, this invention can adapt to producing vermicelli from various raw material dry powders containing different dietary fibers.

The present application relates to the field of geophysics, in particular to a network user-oriented GNSS velocity field product visualization and interactive analysis method and system, which solves the problems of poor interaction flexibility, insufficient dynamic presentation effect, difficult multi-source data fusion and low deployment convenience of traditional technology in GNSS velocity field visualization. The present application efficiently caches multi-source data through the global singleton mode of the data management layer, realizes real-time capture and distribution of instructions in the interface layer and the interaction control layer, completes velocity field projection decomposition and quantitative calculation by using the core computing layer, forms a visual closed loop by combining the dynamic rendering of the visualization presentation layer, and converts the achievements into a standardized format for local saving by the result output layer. By constructing a high-interactive and lightweight analysis platform, the present application significantly improves the interactive flexibility and deployment convenience of GNSS velocity field visualization analysis.

This invention relates to the field of intelligent heat treatment production line technology, and discloses a foaming molding device for a nickel-chromium composite AB-type hydrogen storage alloy porous material, comprising: a molding mold defining a molding cavity for containing powder material; an atmosphere control component connected to the molding cavity to alternately construct a vacuum or inert gas environment; and a hot-pressing temperature control component disposed on the molding mold for applying a densification temperature and pressure load to the powder material in the vacuum environment, and providing a foaming thermal field and cooling heat exchange conditions corresponding to the solid-liquid two-phase region of the alloy in the inert gas environment. The purpose of this invention is to solve the problems in traditional foaming processes where the precursor needs to be removed from the densification mold and transferred to the foaming furnace for secondary heating, resulting in oxidation of the high-temperature precursor during the transfer process, temperature fluctuations affecting the uniformity of the pore structure, reduced production efficiency due to two clamping and positioning operations, and low yield due to process discontinuity.

The utility model discloses an anti-overflow draining pump structure for a duct type air conditioner, and belongs to the technical field of air conditioning equipment. The structure comprises a water tank shell and a detachably-connected drainage pump body, a water inlet is formed in the lower portion of the water tank shell to receive condensate water, and an upper drainage opening is formed in the upper portion of the water tank shell to serve as an emergency overflow channel. A liquid level sensor is arranged at the bottom end of the pump body to monitor the water level in real time, and a pump water outlet and a gradienter are arranged at the top end of the pump body. When the drainage pump breaks down, the water level rises to the upper drainage port and then is directionally drained through the water outlet pipe, and ceiling soaking is avoided; the buckle type connecting structure simplifies maintenance operation, and the sealing ring and the damping washer are matched to ensure sealing performance and operation stability. The design solves the problems that overflow detection of a traditional drainage pump lags behind, and disassembly and assembly are complex.

The utility model discloses a self-adaptive energy-saving street lamp, and relates to the technical field of street lamps. The LED lamp comprises a lamp pole, a lamp body and a control box, the lamp body is installed on the top of the lamp pole, the lamp body is connected with the lamp pole through a spherical connector, a wire channel is formed in the spherical connector, a power line of the lamp body penetrates through the channel to be connected with the control box arranged at the bottom of the lamp pole, and a power module and a control module are arranged in the control box. The control module is connected with an ambient light sensor located on the outer side of the lower portion of the lamp pole, the power module is connected with an external power supply circuit through a cable, and the control module is connected in series in a connecting circuit of the power module and the lamp. According to the utility model, through integrating the ambient light sensor and the control module, the brightness of the lamp can be automatically adjusted according to the illuminance of the ambient environment, so that unnecessary energy consumption is avoided, and a remarkable energy-saving effect is achieved; the lamp is installed at the top of the lamp pole through the spherical connector, and the angle of the lamp can be flexibly adjusted according to actual needs.

The invention belongs to the technical field of solid waste recycling. The invention discloses a method for realizing high-value recycling of secondary aluminum ash and synchronous deep defluorination and dechlorination by utilizing hydrothermal synthesis. The method comprises the following steps: firstly, pretreating secondary aluminum ash, then preparing the pretreated secondary aluminum ash and water into slurry, and adding a specific defluorinating agent and a dechlorinating agent into the slurry to construct a synchronous reaction system; the system is subjected to hydrothermal reaction under high-temperature and high-pressure conditions, so that fluorine and chlorine elements are respectively fixed and converted into stable compounds. Solid-liquid separation is carried out after the reaction is completed, an obtained solid product can be used as a raw material for preparing a zeolite molecular sieve or an aluminum-based material, and salt is recovered from a liquid part through evaporative crystallization. According to the method, deep removal of harmful elements and a high-value recycling process of beneficial components are coupled to a single hydrothermal system, and efficient harmless and high-value recycling utilization of the secondary aluminum ash is achieved.

The invention relates to the technical field of mine refrigeration and cooling, in particular to a mine refrigeration and cooling pipeline arrangement system. The water outlet end of a main circulation pipeline is connected with the water inlet end of a cooling device to form a closed circulation loop; the main circulation pipeline is laid in the extending direction of the roadway and serves as a liquid supply mother pipe of each refrigerating unit. The branch pipelines of the refrigerating units are respectively led out from different positions on the main circulation pipeline; the negative pressure water return devices are installed on the main circulation pipeline in series, and each negative pressure water return device is located behind the branch pipeline leading-out point of the refrigerating unit corresponding to the negative pressure water return device and in front of the branch pipeline leading-out point of the next refrigerating unit and used for forming an alternate series-connection arrangement structure. Through alternate series arrangement, the dual functions of liquid supply and water return of the main circulation pipeline are achieved, the pipeline layout is greatly simplified, the roadway space occupation is reduced, the installation cost and the leakage risk are reduced, and the system adapts to complex working conditions of mines.

The invention discloses an air-cooled fuel cell system and a low-temperature start control method, and belongs to the technical field of fuel cells, and the air-cooled fuel cell system comprises a fuel cell stack, a bidirectional cooling fan, a mainboard, a first housing, a second housing, a first temperature sensor and a second temperature sensor. In cooperation with cycle control of low-efficiency reaction and normal reaction, the problem of thermal runaway of the fuel cell stack caused by long-term continuous heating in the same area due to the fact that low-temperature starting temperature regulation cannot be performed in the prior art is avoided, and efficient, safe and quick starting of the air-cooled fuel cell system in a low-temperature environment is realized; and the air-cooled fuel cell system is particularly suitable for wide application in cold regions.

This invention relates to the field of wastewater treatment technology, specifically to a dynamic jet negative pressure sludge discharge device, comprising a gas-liquid separation chamber, a negative pressure sludge suction pipe, a gas-liquid separation net, a high-pressure air pump, a high-pressure water pump, a sludge loosening component, a jetting component, a lifting plate, a hydraulic driver, a first hydraulic telescopic rod, a second hydraulic telescopic rod, a third hydraulic telescopic rod, a first connecting rod, a second connecting rod, a feed pipe and lifting sleeve, and other components such as the sludge loosening component and the jetting component. This invention achieves water deaeration through the cooperation of the gas-liquid separation chamber, the gas-liquid separation net, and the high-pressure air pump; loosens the sludge through components such as the aeration rods of the sludge loosening component; and washes and breaks up the sludge through components such as the arc-shaped shovel and the anti-clogging nozzles of the jetting component. The second and third hydraulic telescopic rods, along with other components, allow for adjustment of the angle and height of multiple components. This solves the problems of incomplete cleaning, high energy consumption, poor adaptability, and easy clogging in existing sludge discharge devices, achieving efficient, precise, and stable cleaning of sludge at the bottom of the tank under different working conditions.

This invention discloses a hydraulic system for center-position locking of an electronically controlled steering shaft. The P1 port of the hydraulic selector valve is connected to a steering pump, and the P2 port is connected to a variable displacement piston pump. The B port of the hydraulic selector valve is connected to an accumulator. The accumulator is connected to the electronically controlled axle locking hydraulic circuit, providing high-pressure oil to achieve center-position locking of the electronically controlled axle locking cylinder. Port 1 of the dual-circuit steering gear is connected to port A of the hydraulic selector valve. The second steering pump is connected to port 1 of the other circuit of the dual-circuit steering gear, and ports 2 of the dual-circuit steering gear are both used for return oil. The left and right steering cylinders of the mechanical steering shaft are connected to the high-pressure oil ports of the dual-circuit steering gear to achieve hydraulic power steering. This invention, through the hydraulic selector valve, allows the emergency steering oil source of the mechanical steering shaft and the center-position locking oil source of the electronically controlled steering shaft to share the same oil pump device, prioritizing the emergency steering function of the mechanical steering shaft, reducing energy consumption, and saving on the number of oil pumps.

The present application provides a kind of rice storage method and system for inhibiting the growth of mould, by low temperature flexible drying and biological protection coating composite pretreatment to rice, construct constant temperature and humidity, anoxic high CO2 Mould inhibition type storage environment, combined with ultraviolet pulse irradiation and natural plant extract slow-release composite inhibition intervention, real-time monitoring of storage environment parameters and rice mould growth related index, according to the monitoring results dynamic adjustment of environmental parameters and intervention strategy, realize the sustained inhibition of mould growth during rice storage period. Using the scheme of the present application, rice storage period can be extended by 3-6 months without chemical residues, while maintaining the original taste and nutritional quality of rice, solves the technical problems of traditional rice storage, such as easy breeding of mould, chemical inhibition residues, and quality deterioration.

The invention relates to the technical field of low-temperature turbo expanders, in particular to a low-temperature turbo expander adopting a hybrid bearing motor for braking. The low-temperature turbine expander comprises an expansion volute and a main machine, the main machine comprises a shell connected with the expansion volute, a main shaft, a static pressure gas bearing, a first dynamic pressure gas bearing, a brake motor and a second dynamic pressure gas bearing, the main shaft, the static pressure gas bearing, the first dynamic pressure gas bearing, the brake motor and the second dynamic pressure gas bearing are arranged in the shell, and the main shaft comprises a shaft body, a thrust plate and an impeller, the shell is provided with a first gas inlet, the inner wall of the shell is provided with a first gas flow channel, the outer wall of the shell is provided with a gas outlet, and external bearing gas can enter the static pressure gas bearing through the first gas inlet and then enter a gap between the static pressure gas bearing and the thrust plate. And the bearing gas is guided into the first dynamic pressure gas bearing, the brake motor and the second dynamic pressure gas bearing through the first gas flow channel, and is finally discharged out of the shell through the gas outlet. According to the scheme, normal operation of the turbo expander can be guaranteed without additional media.

The invention relates to the technical field of power output devices, and discloses a power output device driven based on external fluid pressure and an output method.The power output device comprises at least one variable-volume working cavity, the working cavity is provided with wall faces capable of moving relatively, and the wall faces are used for being connected with an external load; the low-pressure establishing unit is selectively communicated with the internal space of the working chamber and is used for establishing a low-pressure area in the internal space, and the pressure of the low-pressure area is lower than the fluid pressure of the external environment where the device is located; and the control unit is used for controlling the communication state of the low-pressure establishing unit and the working chamber. According to the system, the local low-pressure area is established, the pressure difference of the external environment fluid drives the working cavity to move, mechanical work which is several times of input energy can be obtained by inputting a small amount of electric energy, kinetic energy generated when the load decelerates can be converted into negative pressure energy to be stored by arranging the energy recovery unit, and the total energy efficiency of the system is improved.

The application discloses a self-adaptive path planning method considering the coupling of dynamics and terrain of a tracked vehicle, and comprises the following steps: acquiring terrain characteristic parameters and vehicle dynamics parameters; constructing a terrain-dynamics coupling model according to the terrain characteristic parameters and the vehicle dynamics parameters, wherein the terrain-dynamics coupling model is used for outputting a slip risk prediction value and dynamic resistance of the vehicle under current terrain conditions in real time; based on the slip risk prediction value and the dynamic resistance, acquiring a planning path by using an improved Hybrid A * algorithm; monitoring a vehicle operating state in real time, dynamically correcting the planning path according to the vehicle operating state, and realizing self-adaptive path planning based on the corrected planning path. The method of the application can accurately identify the risks existing in the path and plan a safer and more reliable route.

This invention relates to the field of vertical milling and turning technology, and discloses a vertical milling and turning composite machining center, including a machining table, a support frame, a vertical cantilever, a drive motor, and a drive shaft. A composite machining mechanism for switching machining types is mounted on the side of the vertical cantilever; a switching mechanism for changing the workpiece's motion state according to the machining type is provided below the composite machining mechanism; a spraying mechanism for changing the coolant's application according to the machining type is provided on the upper surface of the machining table; a clamping mechanism for fixing a ring-shaped workpiece is provided at the top of the switching mechanism; the composite machining mechanism includes a sliding frame plate, with two double-toothed plates slidably connected inside the sliding frame plate. This invention utilizes the forward and reverse directions of the vertical cantilever's lifting stroke to correspond to different machining actions, improving the continuity of actions and machining efficiency, and ensuring the positional stability and synchronization accuracy of the milling cutter and drill bit near the workpiece.

The invention discloses a method for separating and refining fusel oil in Fischer-Tropsch synthesis, and belongs to the technical field of chemical separation. In order to solve the problems of difficult separation and high energy consumption of fusel oil due to the existence of azeotrope, the invention provides a rectification and membrane separation coupled process. The method comprises the following steps: firstly, pretreating a fusel oil raw material through a two-stage rectifying tower, and sequentially removing water, heavy components and light components; then carrying out neutralization desalination treatment on the obtained mixed alcohol solution, and then feeding the mixed alcohol solution into a steam permeable membrane system for deep dehydration to obtain mixed alcohol steam with low water content; and finally, sequentially feeding the dehydrated alcohol steam into a subsequent rectifying tower, and separating to obtain high-purity ethanol, n-propyl alcohol and n-butyl alcohol products. Through energy integration design, high-temperature material flow is used for preheating raw materials and providing a heat source for the rectifying tower, and energy consumption is remarkably reduced. The method is reasonable in process, effectively breaks through the alcohol-water azeotropic limitation, and realizes efficient and low-cost separation of high-added-value components in fusel oil.

The utility model discloses an RTO (Regenerative Thermal Oxidation) type combustion device based on efficient removal of VOCs (Volatile Organic Compounds) and NOx, which belongs to the field of environmental protection and comprises an amino reducing agent nozzle, a fuel gas nozzle and an RTO type reaction device body, and the RTO type reaction device body is sequentially divided into a purging chamber, a flow guide chamber, a heat exchange chamber and a combustion chamber from bottom to top; the amino reducing agent nozzle and the fuel gas nozzle are sequentially installed on the side wall or the top of the same side of the combustion chamber from top to bottom. And the heat exchange chamber is filled with a heat accumulator. According to the utility model, VOCs thermal oxidation and NOx reduction reaction are integrated in the same RTO device, and synchronous treatment of two pollutants is realized by spraying ammonia in a combustion area, so that the problems of complex system design and high energy consumption of the traditional tandem process are avoided, and meanwhile, the equipment investment and the occupied area of the equipment are reduced.

The application discloses a range hood and a shutdown control method and device thereof, and is applied to the field of kitchen appliances. Smoke concentration data sets of an environment where the range hood is located are acquired. When a shutdown command for the range hood is acquired, current smoke diffusion degree information is determined according to the smoke concentration data sets. A delay shutdown program is set according to the current smoke diffusion degree information, and the range hood is controlled to be shut down based on the set delay shutdown program. The technical problem that the delay shutdown of the range hood has a poor smoke absorption effect is at least solved to a certain extent.

The invention provides a cooking fume adjustment control method and device and an intelligent electric appliance. The cooking fume adjustment control method comprises the steps that kitchen space is converted into a three-dimensional data model; dividing the kitchen space converted into the three-dimensional data model into a preset number of grids; establishing boundary conditions corresponding to the kitchen space; determining air flow field data in each grid under the boundary condition based on a Reynolds time-average equation; solving an oil smoke diffusion equation based on the air flow field data in each grid to obtain the oil smoke concentration in each grid at each time point; and regulating and controlling the smoke exhaust in the kitchen space according to the oil smoke concentration in each grid at each time point. According to the embodiment of the invention, efficient, energy-saving and accurate smoke exhaust and purification effects can be realized.

This invention provides equipment and a process for recovering valuable metals from lithium leaching residue, relating to the field of solid waste treatment technology. The equipment includes an electrically movable frame, an electrically lifting frame, a first treatment tank, a second treatment tank, a drive mechanism, and an acid leaching mechanism. The electrically lifting frame has an electrically adjustable lifting plate installed externally, and the drive mechanism is located on the outer wall of the lifting plate. The drive mechanism includes a fixed plate fixedly installed on the outer wall of the lifting plate, and a first mounting plate and a second mounting plate are fixedly mounted on the outer wall of the fixed plate. This design can automatically switch the rotation direction of the rotating plate and adaptively switch it from a vertical to an inclined posture. It can adapt to the characteristics of low-solids-content fluids. Through adaptive posture adjustment throughout the entire process—from strong vertical mixing in the early stage to uniform inclined suspension in the later stage—it achieves matching of the entire acid leaching process, comprehensively improving the overall leaching efficiency of valuable metals, facilitating subsequent solid-liquid separation processes, and further optimizing the resource utilization of leaching residue and the harmless disposal of solid waste.