278results about How to "Improve operational stability" patented technology

The invention relates to a preparation method of phenylmethylamine. The technical scheme adopted by the invention for mainly solving the problems of high catalyst loss, low production efficiency and high intermittent operation labor intensity is as follows: the preparation method of the phenylmethylamine comprises the following steps: mixing the raw material of cyanobenzene with a solvent material or at least one of one part of product materials in a mixing unit, introducing the mixture into a fixed bed hydrogenation reactor to be in contact with hydrogen and a catalyst and carry out multi-phase continuous hydrogenation reaction to obtain a product material containing phenylmethylamine, separating the product material to obtain a phenylmethylamine product, wherein the catalyst is a metal loaded catalyst; and the metal is selected from at least one of Pd, Pt, Cu, Ni, Mo and Fe. The preparation method can be used for preparing phenylmethylamine.

The invention relates to a terminal equipment intelligent fault diagnosis method based on electric power internet of things edge computing. The method comprises the following steps: constructing a cloud edge interconnection architecture; in a data acquisition stage, real-time denoising and standardization processing are carried out by utilizing an edge computing layer, and data availability and access speed are guaranteed by adopting an edge caching technology; data from different sensors are integrated by using a data fusion technology, the accuracy of fault detection and diagnosis is improved, multi-source data association analysis is applied, and multi-angle early warning is performed for abnormal behaviors; event mode identification and processing are realized on an edge calculation layer by using CEP, and potential fault signals are quickly responded; all transmission data of the communication layer uses an end-to-end encryption protocol to ensure data security, and edge device intrusion detection and firewall protection are implemented to prevent hostile attacks. According to the invention, the accuracy and efficiency of power equipment fault diagnosis are improved, and the safety and operation stability of the system are remarkably enhanced.

The invention provides a control method and system of a double-arm clothes folding robot, and relates to the technical field of robot control, and the control method constructs a perceived control closed loop by fusing visual, force and tactile multi-modal data. The touch sense and the force sense make up the blind area of the vision in the self-shielding scene, and grabbing, sliding and pleating perception is improved. Based on clothing joint characterization of a visual semantic network, geometric morphology, semantic components and confidence coefficient are structured and coded, a robust state fusing prior and real-time observation is provided for planning, and decision errors caused by deformation and noise are reduced. Long-time-history folding is decomposed into sub-target sequences through a hierarchical strategy, action closed-loop correction is conducted through multi-modal data, and cooperative control over grabbing, folding and pleating is achieved. And finally, a torque instruction is generated based on a control algorithm, interaction compliance and safety are ensured, and the folding success rate and operation stability of the double-arm clothes folding robot under different materials, sizes and initial forms are integrally improved.

The invention relates to the technical field of temperature early warning management, in particular to an electrolytic bath temperature central monitoring and early warning system. The system comprises an in-tank temperature frequency domain analysis module, an in-tank temperature and energy consumption influence analysis module, an in-tank electrolytic strength abnormity response adjustment module, an in-tank temperature over-low abnormity early warning adjustment module and an in-tank iterative execution influence analysis module. Temperature sensors are arranged at key positions in an electrolytic cell to monitor temperature signal distribution in the cell in real time and carry out frequency domain analysis, and meanwhile, corresponding current and voltage are obtained, electrolyte energy consumption analysis and time sequence influence analysis are carried out, and a time sequence correlation influence degree is obtained; and if the conditions are gradually increased and the temperature fluctuation is increased, designing and implementing an energy consumption abnormity response measure, if the conditions are gradually reduced and the temperature fluctuation is reduced, designing and implementing a temperature abnormity response measure, and if the conditions are judged to be other conditions, continuing to iteratively execute the time sequence influence analysis. The stability and quality of the electrolysis process can be guaranteed.

The invention relates to the technical field of rectification, in particular to a rectifying tower for cracking C9 fractions, which comprises a tower body and a tower plate, the tower plate is arranged in the tower body, a CPD extraction device is arranged at the top end of the tower body, a DCPD side line extraction device is arranged in the middle of the tower body, and the lower part of the tower body is communicated with a solvent side line extraction device; a partition plate is arranged in the bottom end of the tower body, the space at the bottom of the tower body is divided into a flash evaporation space and a concentration space by the partition plate, the flash evaporation space is communicated with a C9 fraction supply pipeline through a cracking reactor, and the flash evaporation space is communicated with a tower kettle liquid return pipeline; a solvent extracted by the solvent side-draw device is mixed with tower bottoms extracted from the tower bottoms reflux pipeline, and then is heated by the reboiler and refluxed to the concentration space, and the concentration space is provided with a tower bottoms discharge pipeline; the influence of coking of materials in the rectifying tower or polymers on the rectifying operation can be reduced, and the stability of the rectifying operation is ensured.

The invention discloses an intelligent parking lot vehicle monitoring system, and belongs to the technical field of parking lot vehicle management. Comprising a vehicle end, and the vehicle end is connected with an intelligent monitoring platform. The vehicle end comprises a vehicle running state information acquisition module, an AI intelligent early warning module and an active braking module; the intelligent monitoring platform comprises a real-time monitoring module, a data processing module and a remote control module. Through the Internet of Things, big data and AI technologies, all-weather monitoring, data analysis and abnormal early warning of the vehicle are realized; through the active brake module and the passive infrared detector, the safety performance of the equipment in emergency is enhanced, and automatic deceleration or emergency stop can be realized to avoid accidents; the active braking module assists operators, the influence of the environment and dense personnel on operation is reduced, and the operation safety and stability are improved. And meanwhile, intelligent scheduling is supported, vehicle operation is optimized, and the empty driving rate is reduced. A mobile terminal management function enables a manager to master the dynamic state of a field at any time and efficiently deal with emergencies.

The invention relates to a water surface and underwater equipment laying and recycling device suitable for complex sea conditions. The water surface and underwater equipment laying and recycling device comprises a frame A and a swing stopping mechanism. The oscillation stopping mechanism comprises an oscillation stopping device and an anti-collision net mechanism; the oscillation stopping device comprises a swinging connecting rod, an oscillation stopping oil cylinder and a connecting circular ring; the upper end of the swinging connecting rod is hinged to the A frame body; the upper end of the anti-swing oil cylinder is connected with the swing connecting rod and the lower end is connected with the connecting ring; a group of steel cable launchers are arranged around the connecting ring, the steel cable launchers can release the steel cable through ejection, and the steel cable can be continuously released or recycled through a steel cable winch in the steel cable launchers; the lower end of a steel cable in the steel cable emitter is connected with a steel cable clamp, and the steel cable clamp is provided with an opening and closing mechanism and can grab and release a lifting lug on target equipment; the anti-collision net mechanism comprises two sets of supporting arms and an anti-collision net clamped by the far ends of the two sets of supporting arms, and the near ends of the two sets of supporting arms are hinged and fixed to the A frame base. The precision and success rate of equipment recovery can be improved.

The invention discloses a welding strip cutting mechanism, and belongs to the technical field of welding strip machining equipment. A welding strip cutting mechanism comprises a tool bit assembly, a tool bit driving assembly and a cutter lifting assembly. The tool bit driving assembly is installed below the tool bit assembly, and the output end of the tool bit driving assembly is connected with the input end of the tool bit assembly so as to drive the tool bit assembly to operate. The cutter lifting assembly is installed at the bottom of the cutter head driving assembly, and the output end of the cutter lifting assembly is connected with the input end of the cutter head driving assembly so as to drive the cutter head driving assembly to do reciprocating lifting motion in the vertical direction. The cutter head assembly comprises a cutter shell, a first cutter and a second cutter; the first cutter and the second cutter are arranged oppositely and abut against each other to form a cutter assembly, and the cutter shell is arranged on the periphery of the cutter assembly in a sleeving mode. And a flow guide groove is formed in the side, facing the second cutter, of the first cutter, so that the influence of scaling powder and the like on the cutters is reduced, and the abrasion of the cutters is reduced.

The invention discloses a low-energy-consumption maltol production method and application, and belongs to the technical field of maltol production.The production method is characterized in that a cyclone dust collector is additionally arranged on the basis of an original bag-type dust collector, and the cyclone dust collector is connected with the bag-type dust collector through an air inducing pipeline. A traditional drying mode is broken through, waste steam in the previous drying process is subjected to hot air recovery, it can be guaranteed that the normal drying process is completed, energy consumption is reduced, the production efficiency is further improved, the production cost is saved, residual dust is effectively recovered, the influence of environmental odor is reduced, and the environment-friendly benefit is achieved.

The utility model provides a connection terminal assembly of a power distribution cabinet cable, which comprises a terminal body, the terminal body comprises a barrel-shaped barrel part and a sheet-shaped sheet part, one end of the sheet part is connected with the barrel part, and the other end of the sheet part is provided with a strip-shaped clamping groove; the connecting copper bar is provided with a connecting bolt perpendicular to the connecting copper bar, the connecting bolt is in threaded connection with a connecting nut, the connecting bolt is clamped in the clamping groove, and the sheet body part is located between the connecting nut and the connecting copper bar. The connection terminal assembly of the power distribution cabinet cable provided by the utility model can improve the efficiency.

The invention relates to the technical field of mechanical transmission, and provides a diameter-adjustable belt pulley structure which comprises a fixed wheel disc, an adjusting wheel disc and a belt, and the belt is wound between the fixed wheel disc and the adjusting wheel disc; the adjusting wheel disc comprises a rotating seat and a plurality of adjusting blocks, the adjusting blocks are slidably mounted on the surface of the rotating seat and are arranged around the central axis of the rotating seat, an adjusting area is defined by the adjusting blocks, and an embedding groove allowing a belt to be embedded is formed in the peripheral wall, away from the adjusting area, of each adjusting block; an adjusting seat is rotatably mounted in the center of the adjusting area, a driving assembly is arranged between the adjusting block and the adjusting seat, and when the adjusting seat is driven to rotate, the driving assembly drives the adjusting block to move in the radial direction of the adjusting seat so as to enlarge or reduce the adjusting area. According to the diameter-adjustable belt pulley structure, the transmission ratio of the belt pulley can be conveniently adjusted.

The invention provides a dexterous manipulator fused with an ontology visual perception function, and belongs to the technical field of electromechanical control. The depth camera is arranged in the palm, the size of the device is remarkably reduced, the size of the device is closer to the size of a human hand, and therefore flexibility and naturalness are improved, the depth camera and a control system are highly integrated, the structure is simplified, synchronism of visual data and hand actions is improved, operation precision is improved, the dexterous manipulator has 16 degrees of freedom, and the flexibility and the reliability of the device are improved. The system is completely driven by a steering engine, the operation flexibility and the fine action execution capability are greatly improved, the requirements of complex tasks are met, the production and maintenance cost is effectively reduced through optimization design and reduction of external accessories, multiple objects are positioned at the same time through a developed instance-level multi-target positioning method and by using a neural network, pre-training is not needed, and the operation efficiency is improved. The space perception capability of the dexterous hand is further improved, and the autonomous operation capability of the dexterous hand in a complex environment is enhanced.

The embodiment of the invention discloses a mechanical arm control method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring task parameters when a target mechanical arm executes a control task; according to the recurrent neural network, acquiring a joint angle sequence of each joint of the target mechanical arm from an initial position to a target position when the historical task is executed; and according to the task parameters and the historical task joint angle sequence, target joint angles of all joints of the target mechanical arm at the next moment are predicted, and all the joints are controlled to execute task instructions according to the target joint angles. By the adoption of the scheme, the joint angle of the mechanical arm can be flexibly adjusted according to different task requirements by introducing the multi-task parameters, multi-task operation is achieved, and the dynamic environment adaptability is enhanced; and by means of the processing capacity of the recurrent neural network on the time sequence, real-time prediction and adjustment of the joint angle of the mechanical arm are achieved, the operation stability and the task completion rate are improved, and high adaptability and universality are achieved in a multi-task scene.

The invention discloses manual control type bipolar electrocoagulation forceps, relates to the technical field of electrocoagulation forceps instruments, and provides the following scheme that the manual control type bipolar electrocoagulation forceps comprise a manual control type electrocoagulation forceps structure, and a wrist bracket mechanism is arranged at the bottom of the manual control type electrocoagulation forceps structure; the manual control type electrocoagulation clamp structure comprises a handle, a puncture rod piece fixed to the front end of the handle, a high-frequency cable connected to the rear end of the handle and a fixed handle fixedly connected to the rear side of the surface of the bottom of the handle. The bipolar electrocoagulation forceps are redesigned aiming at the existing bipolar electrocoagulation forceps, and the manual control switch is arranged on the handle of the electrocoagulation forceps for excitation operation; according to the design, foot control can be avoided, an operator can better operate in an operation, and the error rate is reduced; and moreover, a wrist bracket mechanism matched with the bipolar coagulation forceps is arranged below the bipolar coagulation forceps, so that the wrist and the forearm are supported when the bipolar coagulation forceps are held for operation, the operation stability is improved, and meanwhile, the fatigue feeling caused by suspension of the wrist is relieved.

The utility model relates to an automatic workpiece carrying and stamping production line which comprises a control panel, a feeding machine used for automatically taking, placing and straightening workpieces, a stamping machine used for stamping the workpieces, a receiving belt conveying line used for conveying the workpieces and a material frame used for storing the workpieces. The swing arm manipulator is used for transferring a workpiece of the feeding machine to one stamping machine, transferring a workpiece of the stamping machine to another stamping machine or transferring a workpiece of the stamping machine to the receiving belt conveying line; the material frame is positioned at an outlet of the receiving belt conveying line; according to the production line, automatic carrying and automatic punching of the workpieces and automatic straightening of the positions of the workpieces are achieved, the requirement for manual operation is reduced, and the production efficiency is greatly improved. The automatic operation process can effectively save time and labor cost, and the overall efficiency of the production line is improved.

The invention relates to the technical field of sewage treatment, and discloses an electric flocculation sludge dewatering treatment device which comprises a base, a supporting stand column is fixedly connected to the upper surface of the bottom of the base, a reaction tank is fixedly connected to the top of the supporting stand column, and a feeding port is fixedly connected to the left side of the reaction tank; an electrode adjusting mechanism is fixedly connected to the interior of the reaction tank, an anode cleaning mechanism and an anode replacing mechanism are fixedly connected to the outer surface of the electrode adjusting mechanism, a supporting plate is fixedly connected to the bottom of the reaction tank, and a dehydration system is fixedly connected to the right side of the reaction tank; the upper surface of the supporting plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with fan blades, the distance between the electrodes is adjusted, the distance between the anode and the cathode in the same direction and the distance between the anode and the cathode in the opposite direction are adjusted, the operation efficiency and stability in industrial production are improved, and the device adapts to different sludge treatment capacities or treatment requirements.

The utility model relates to the technical field of inner swing door drive structure, and concretely is a kind of double inner swing door double-motor drive structure of passenger car, including door frame and two groups of motor drive structure, and the inner swing door installed in the door frame door hole, two groups of motor drive structure are set in the main shaft top of inner swing door, the outer periphery of motor drive structure is covered with protective box, two groups of motor drive structure all include the motor with brake of output shaft, and the drive self-lubricating mechanism for gear lubrication, the driving shaft bottom of motor is equipped with driving gear, the outer periphery of the main shaft top of inner swing door is equipped with driven gear by key pin, driven gear is engaged with driving gear, the drive self-lubricating mechanism is located above driven gear, and the main shaft top is connected with support flange.

The utility model relates to the technical field of medicament mixing assistors, and discloses a double-component medicament opposite-extrusion mixing assistor which comprises a transverse plate, a transverse plate and a transverse plate, the two fixed seats are oppositely mounted on two sides of one end of the transverse plate; the extrusion roller is rotationally mounted between the two fixed seats through a rotating shaft; the clamping groove is formed in the outer wall of the extrusion roller in the axial direction of the extrusion roller; and the pressing mechanism is arranged in the clamping groove and used for pressing the bag tail in the clamping groove. According to the double-component medicament opposite-extrusion mixing assist device, the tail part of a medicament bag is fixed in the clamping groove, and when the extrusion roller rotates, the extrusion force generated when the bottom of the medicament bag penetrates through a gap between the extrusion roller and the transverse plate is utilized, so that the medicament bag can be uniformly extruded, time and labor are saved, and the mixing efficiency of the double-component medicament is improved.

A bifocal endoscope objective and endoscope, relating to the field of optical technology, includes a first lens with negative optical power, a second lens with positive optical power, a third lens with positive optical power and movable along the optical axis from the object side to the image side, a fourth lens with positive optical power, a fifth lens with negative optical power, and a sixth lens with negative optical power, arranged sequentially along the optical axis from the object side to the image side. The objective has a total optical length ≤ 6.8 mm and a full field of view ≥ 160°. The third lens is configured to change the air gap between the third lens and the second and fourth lenses by moving it along the optical axis to a first axial position or a second axial position, respectively corresponding to a long-distance observation mode and a short-distance observation mode, while maintaining a constant total optical length during the switching process. This objective achieves stable bifocal switching with a constant total optical length during the switching process in an extremely compact structure.

The utility model discloses a head structure of a spreader. The head structure comprises a center rod, a rear blade, a front blade, an outer pipe, a handle, a rotating wheel, a fixing pin and a pin shaft. The rotating wheel is arranged at the tail end of the handle; the handle is fixedly provided with an outer tube; the center rod sequentially penetrates through the outer pipe and an inner cavity of the handle to be connected with the rotating wheel, and the rotating wheel is rotated to drive the center rod to stretch out and draw back. A pair of front blades is mounted at the front end of the center rod through a pin shaft; the front end of the outer pipe is connected with a pair of rear blades through a fixing pin; and the rear blade is connected with the front blade through a pin shaft. The center rod is controlled to stretch out and draw back through rotation of the rotating wheel, the rear blade and the front blade are driven to be opened and closed, all parts are connected through the pin shafts, and the strength of the instrument and the operation stability are improved.

The utility model relates to the technical field of diaphragm pumps, in particular to a diaphragm pump with a quick splicing structure, which comprises a mounting seat, a mounting plate and a pump body, the pump body is mounted on the mounting plate, the mounting plate is mounted on the mounting seat, and a shell is fixedly mounted on the bottom surface of the mounting plate. According to the utility model, the hexagonal head is rotated to drive the rotating rod to rotate, the rotating rod drives the driving bevel gear and the driven bevel gear to perform transmission, and the screw rod is in threaded fit with the pressing plate, so that the pressing plate can stably slide in the shell, the inserting rod is driven to penetrate through the through hole to be inserted into the slot, and the stable connection between the mounting plate and the mounting seat is ensured; and the operation of inserting the inserting rods into the inserting grooves through the penetrating holes is simple and convenient, the splicing and dismounting time is greatly shortened, and the working efficiency is improved. According to the structure, the diaphragm pump can be quickly mounted and dismounted, the maintenance and replacement speed of equipment is remarkably increased, and the operation convenience and assembly convenience of the equipment are further improved.

The utility model discloses an SMT automatic feeding and discharging carrier plate jig, which relates to the technical field of surface mounting and comprises a positioning plate, a magnet is fixed on the surface of the positioning plate, a magnetic steel sheet is connected to the upper end of the magnet, a positioning pin is fixed to the upper end of the magnetic steel sheet, a groove is formed in the middle of the positioning plate, and a positioning pin is fixed to the lower end of the groove. The fixing mode of the magnetic steel sheet is high in reliability, is not influenced by environmental factors, is also convenient to disassemble and assemble quickly, improves the operation convenience and stability, avoids the problem that adhesive residues are generated after a high-temperature adhesive tape is disassembled, and ensures the surface quality of a substrate and the smooth proceeding of subsequent procedures; due to automatic operation, the labor intensity of operators is remarkably relieved, fatigue is reduced, and the comfort of the working environment is improved; and high-consistency operation of automatic equipment ensures that the fixing effect of each substrate is consistent, and the stability and reliability of product quality are improved.

The utility model relates to the technical field of medical instruments, in particular to a special clamping and connecting mechanism for a dental handpiece diagnosis and treatment in-vitro simulation platform. According to the technical scheme, the dental handpiece comprises a platform body, a shaft fixing base and a dental handpiece body, a sliding base is arranged on the platform body in a front-back sliding mode, the shaft fixing base is arranged on the sliding base in a left-right sliding mode, and the dental handpiece body is arranged on the shaft fixing base through a positioning assembly. The positioning assembly adopts an upper and lower double-clamping fixing design, so that the clamping coaxiality of a machine needle of the dental handpiece body can be ensured, and the positioning assembly consists of a handpiece left fixing clamp, a special connector, a handpiece right fixing clamp, a shaft fixing top seat and a positioning shaft. According to the utility model, an upper and lower double-clamping structure is adopted, so that the stability of the dental handpiece body during high-speed operation is enhanced, and looseness is prevented; the positioning assembly is precise, the clamping coaxiality of the machine needle is ensured, and the experimental error is reduced; the specially-made connector is provided with a customizable arc surface and a customizable round concave part, so that the connector is adaptive to various mobile phone models.

The utility model discloses a device for preparing acid by desulfurizing waste gas containing low-concentration sulfur. The device comprises an ejector, a desulfurizing tower, a turbulent demister, an electrostatic demisting device and an exhaust funnel, wherein the lower part of the desulfurizing tower is communicated with the ejector; the turbulent demister is communicated with the top of the desulfurizing tower; according to the system, no secondary pollutants are generated, a dilute sulfuric acid product is produced in the waste gas desulfurization process, and the ultra-low emission requirements that the content of sulfur dioxide in waste gas pollutants is lower than 50mg / m < 3 > and the content of sulfuric acid mist in the waste gas pollutants is lower than 5mg / m < 3 > are stably met; meanwhile, the cost of the whole waste gas desulfurization device is reduced and the operation stability of the desulfurization device is improved.

The utility model discloses an agricultural machinery soil turning device, including buffer connecting device, through buffer connecting device connection traction machinery, frame, the frame passes buffer connecting device fixed mounting, the frame has the mouth of installation, the frame is fixedly installed with the support board in the one end away from the mouth of installation, through support board with the frame is equipped with the wheel, the pivot, the pivot rotatory mounting is in the mouth of installation, the pivot is fixed with the rotating roller, a plurality of soil turning hooks are installed to the outer wall department of rotating roller, when the wheel is used to the land surface, and the soil turning hook is driven into the soil after the rotating roller, drive arrangement, drive arrangement passes through support board device, and drive arrangement is equipped with transmission unit between cooperation with the pivot, and this device can buffer when having greater impact force.

The utility model relates to an esterification separation tower including the upper tower body of lower tower body connection, through the coaxial setting inside, middle, outer three layer coil pipe components in the lower tower body, the lower tower body bottom end is equipped with the heat medium inlet pipe, and the inlet of inside coil pipe, middle coil pipe and outer coil pipe is linked with the heat medium inlet pipe, and the lower tower body top end side is equipped with the heat medium outlet pipe, and the outlet of inside coil pipe, middle coil pipe and outer coil pipe is linked with the heat medium outlet pipe, has built three -dimensional heating system, and three layer coil pipe passes through covering the center of lower tower body, the intermediate of lower tower body and inner wall and the edge area of inner wall, has formed the uniform stable temperature field, has eliminated the problem that the material coking phenomenon and the reaction of low temperature area are not sufficient caused by local overheating significantly, has promoted the heat transfer efficiency and energy utilization ratio, has guaranteed the stability and fullness of esterification reaction and separation process simultaneously, has improved the efficiency of separation.

The utility model relates to a comfortable office chair and belongs to the technical field of office chairs. A comfortable office chair comprises chair legs with a base and a plurality of forked parts, a gas spring supporting column arranged based on the base, a swivel chair tray arranged based on the gas spring supporting column, a chair seat and a backrest, and further comprises a back-through bearing body arranged based on the swivel chair tray, the through-back bearing body comprises a bearing body provided with a chair seat bearing part and a backrest bearing part, and a chair seat supporting body arranged based on the bearing body; and the chair seat is arranged on the basis of the chair seat supporting body. According to the utility model, the comprehensive performance of high stability, high fitting degree and long service life is realized through structural innovation, the seat cushion is suitable for sedentariness scenes such as offices and meetings, and the user experience is remarkably improved.

The present invention discloses a single battery module, including a shell, a battery body, a tab fixing frame, two bus bars and two connectors. The battery body is fixed inside the shell, the tab fixing frame is arranged inside the shell near the side of the battery body tab, the bus bar is fixed on the tab fixing frame, and the two tabs of the battery body are electrically connected to the two bus bars respectively. The connector includes a connector body and a plurality of information acquisition harnesses, the connector body is fixed on the tab fixing frame, one end of the information acquisition harness is fixed in the connector body, and the other end is fixed on the bus bar. By adding a connector for connecting the information acquisition harness and the BMS system to the battery module, the present invention can directly remove the external acquisition line by plugging and unplugging, which is convenient for installation and maintenance; the connector is fixed on the tab fixing frame, and an additional fixing point is provided, which enhances the connection strength and reduces the risk of falling off, especially in mobile application scenarios such as electric vehicles and electric boats, and improves the system operation stability.

This invention provides a collector for recovering platinum group metals (PGMs) from spent catalysts, its preparation method, and its application, belonging to the technical field of precious metal recovery. The collector comprises a copper matrix, a flux, a framework support, and a lattice activator: the copper matrix, flux, and lattice activator are loaded on the surface of the framework support; the copper matrix is ​​elemental copper or a copper-based compound; the flux is boric acid or a borate; the framework support is a porous inorganic material; and the lattice activator is tin, a tin alloy, or a metal sulfide. The collector serves as a collector for the pyrometallurgical recovery of PGMs from spent catalysts. This invention constructs a multi-component synergistic collector composed of a copper matrix, flux, framework support, and lattice activator, which significantly improves the recovery rate of PGMs, especially rhodium, from spent automotive exhaust purification catalysts in pyrometallurgical treatment, and reduces the smelting temperature required for pyrometallurgical treatment, thus significantly reducing energy consumption.

The utility model relates to the technical field of coke oven doors, in particular to a reinforcing structure for a coke oven door, which comprises an oven door, a reinforcing component and a connecting plate, one end of the connecting plate is fixedly connected with the oven door, and the other end of the connecting plate is connected with an oven box through bolts. A mesoporous silica heat insulation layer is arranged on the rear side of the furnace door, and the reinforcing assembly comprises a U-shaped frame, a limiting cover, a limiting rod, a rotating frame, a worm gear and a worm. By means of the design, the sealing performance and the heat insulation performance between the furnace door and the furnace box are improved, heat loss and gas leakage are effectively reduced, the deformation problem of the furnace door in the high-temperature environment can be relieved, and therefore the service life of equipment is prolonged, and production efficiency and safety are improved.