372results about How to "Maintain performance" patented technology

The invention discloses a large language model training method and system based on elastic federal low-rank adaptive fine tuning, which adopts federal aggregation based on singular value decomposition (SVD) to reconstruct a local LoRA module of a client into a local increment matrix, then aggregates the local increment matrix into a global increment matrix, and generates a LoRA module of the next round through SVD, thereby effectively eliminating aggregation errors of traditional FedLoRA. According to the method, the LoRA rank is dynamically distributed for each weight matrix, and the balance between statistics and hardware efficiency is realized. In order to further reduce communication overhead and maintain model precision, a self-adaptive matrix freezing mechanism is introduced, and whether freezing is carried out or not is judged according to training stability of a weight matrix. According to the method, challenges of traditional FedLoRA in the aspects of training efficiency, communication overhead, model precision and the like are solved.

The invention discloses an intelligent self-adaptive cleaning system and method for a photovoltaic module, and mainly solves the problems that the cleaning effect of a photovoltaic module cleaning system on stains (such as bird droppings and oil stains) with strong adhesive force and fine dust particles is limited, and it is difficult to ensure that the surface of the module keeps good cleanliness all the time. The cleaning system comprises an environment sensing module used for detecting the cleaning state of the photovoltaic module, an intelligent cleaning module connected with the environment sensing module and used for executing the cleaning function, and self-adaptive control connected with the environment sensing module and used for controlling the intelligent cleaning module. And the energy recovery module is connected with the intelligent cleaning module and is used for realizing energy recovery and feeding back power supply to the environment sensing module. By means of the design, the multi-sensor fusion environment sensing technology and the intelligent cleaning technology are combined, the stain type and the pollution degree can be more accurately recognized, a targeted cleaning mode is adopted, and compared with a traditional cleaning technology, the cleaning effect is remarkably improved.

The invention discloses a carbon ceramic composite conductive microsphere, a ceramic resistor and a preparation method, and belongs to the technical field of production of special materials of electrical equipment, and the method comprises the following steps: sequentially dipping porous mullite in a precursor solution of carbon and slurry containing carbon black, and carrying out drying treatment and carbon burying sintering to obtain the carbon ceramic composite conductive microsphere; the preparation method comprises the following steps: preparing a ceramic raw material, performing vacuum-assisted centrifugal impregnation on the ceramic raw material and slurry consisting of a binder in pug consisting of the ceramic raw material and a surfactant, sequentially performing drying and glue discharging treatment, primary isostatic pressing forming and air pressure sintering, cooling to room temperature, and performing mechanical treatment and electrode spraying to obtain the ceramic resistor. Impregnation improves the dispersibility and uniformity of the carbon material in the porous mullite to form a continuous conductive path, the carbon black-containing slurry improves the conductivity of the ceramic resistor, carbon-buried sintering generates in-situ carbon with abundant types, the combination of carbon and a ceramic interface is promoted, and the oxidation resistance, mechanical properties and electrical properties of the ceramic resistor are improved.

The invention discloses an electric reactor with internal coil stabilization and auxiliary heat dissipation, and relates to the technical field of coil stabilization, the electric reactor comprises a base, the top surface of the base is fixedly connected with an air-core electric reactor body, the outer surface of the air-core electric reactor body is provided with a coil body, and the top surface of the base is provided with a coil stabilization mechanism for preventing the coil from loosening. An auxiliary heat dissipation mechanism used for assisting heat dissipation of the reactor is arranged on the top face of the base, the coil stabilizing mechanism can clamp a loose coil, pressure can be applied more evenly through clamping and fixing, the coil is more stably fixed, the consistency of the shape and performance of the coil can be kept, and the service life of the reactor is prolonged. The clamping device can avoid direct compression and damage to an insulating layer of the coil, the insulating performance of the coil can be protected, the auxiliary heat dissipation mechanism can scrub the interior of the electric reactor, remove dust and sundries in the electric reactor, reduce heat resistance, improve heat dissipation efficiency and keep the electric reactor to operate within the normal working temperature range.

The chip removal machine comprises a chip removal machine body, the chip removal machine body is provided with a containing cavity, an inlet end and an outlet end, the inlet end and the outlet end communicate with the containing cavity, the inlet end is used for communicating with a chip removal opening of the numerical control machine tool so that the cooling liquid can flow in, and the outlet end is used for discharging the metal chips; the conveying component is arranged in the containing cavity and located between the inlet end and the outlet end so as to convey the metal cuttings. The containing box communicates with the containing cavity so that the cutting fluid in the containing cavity can flow into the containing box. And the bubble generator comprises a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe communicates with the containing box, the liquid outlet pipe communicates with the containing cavity, and the bubble generator is used for injecting gas into the cutting fluid flowing into the bubble generator to generate the cutting fluid with bubbles and injecting the cutting fluid with the bubbles into the containing cavity. Through the innovative bubble cleaning technology and the reasonable structural design, the problem that in the prior art, the chip removal effect of a chip removal machine is poor is effectively solved.

The invention provides a modified silicone oil agent with a comb-shaped structure as well as a preparation method and application thereof, the oil agent comprises an amino modified silicone oil emulsion and an epoxy modified silicone oil emulsion, and the mass ratio of the amino modified silicone oil emulsion to the epoxy modified silicone oil emulsion is 1: (0.5-1.5); the amino modified silicone oil emulsion and the epoxy group-containing modified silicone oil emulsion have comb-shaped structures, main chains of the amino modified silicone oil and the epoxy group-containing modified silicone oil are acrylate polymers, and branch chains are amino short silane chains or epoxy group-containing short silane chains; the preparation method of the oiling agent comprises the following steps: respectively preparing amino short-chain silicone oil and epoxy group-containing short-chain silicone oil, and then respectively synthesizing amino modified silicone oil emulsion and epoxy group-containing modified silicone oil emulsion. The acrylate polymer is introduced, the content of organic silicon is reduced, the viscosity of the oiling agent is small, carbon fibers are conveniently oiled, a protective film is formed on the fibers, friction and abrasion between the fibers are prevented, and therefore the surface defects of the carbon fibers are reduced.

The invention relates to rehabilitation equipment capable of intelligently simulating swallowing actions, and belongs to the technical field of medical instruments. Comprising a main body frame which is fixed on the head of a patient through a cranial top limiting claw sleeve, a cranial side face clamping piece and a side face clamping plate. An oral cavity upper and lower jaw occlusion training module, a tongue stretching and curling guide training module and a throat action simulation sub-module are arranged to cooperatively simulate the whole swallowing process. And the central processing unit is provided with various sensors, such as surface myoelectricity, pressure, flow and acceleration sensors, acquires multi-dimensional data and transmits the multi-dimensional data to the central control board. The central processing unit analyzes data in combination with a database so as to regulate and control action parameters of all the modules, and personalized rehabilitation training is achieved. The man-machine interaction module provides operation and feedback, and the data storage and transmission module guarantees data management and sharing. The equipment can be accurately simulated and intelligently regulated and controlled, and the swallowing rehabilitation effect and the life quality of a patient are effectively improved.

The invention discloses an automatic stereoscopic warehouse system for pipe storage, which comprises a goods shelf and a plurality of pipes, and further comprises a plurality of groups of placing racks, two fixing plates are rotatably mounted on each of the plurality of groups of placing racks, the plurality of fixing plates are connected with the goods shelf through a rotating structure, and the rotating structure is used for driving the plurality of groups of placing racks to rotate and lift. The pipes are stored, taken and placed in a rotary mode and matched with a staggered Z-shaped placing method, the effective utilization of the storage space in a warehouse is achieved, the two ends of the pipes are effectively blocked while the pipes are stored, invasion of water and moisture can be prevented, the risk of pipe surface corrosion is reduced, the service life of the pipes is prolonged, and the production efficiency is improved. And in the pipe storage and taking-out process, self-adjusting type loading and unloading opening and closing are conducted on the storage opening, the pipe storage efficiency is greatly improved, deformation caused by external pressure or impact in the pipe storage process can be prevented, and it is ensured that the original shape and performance of the pipe are kept.

The utility model discloses a self-powered friction structure and an insole. The self-powered friction structure comprises a negative electrode structure which comprises a first negative electrode material layer, a conductive fabric layer and a second negative electrode material layer which are connected in sequence, and the conductive fabric layer is located between the first negative electrode material layer and the second negative electrode material layer; the positive electrode structure comprises a positive electrode material layer and a base layer which are connected with each other; the plurality of elastic columns are uniformly distributed and are connected with the second negative electrode material layer and the positive electrode material layer to form a hollow structure; the first negative electrode material layer and the second negative electrode material layer adopt an electric polarity material different from that of the positive electrode material layer; the negative electrode structure, the elastic column and the positive electrode structure are integrally formed. According to the self-powered friction structure and the insole, the self-powered friction structure is integrally formed, has the advantages of being high in durability and stable in voltage output, can be conveniently cut at will, and meets the requirement for large-scale production.

The utility model discloses a hygroscopic warp-knitted fabric and clothes made of the hygroscopic warp-knitted fabric. The moisture-absorbing warp-knitted fabric comprises a fabric body, the fabric body is formed by knitting a guide bar GB1 and a guide bar GB2 in a warp knitting mode, yarn laying of the guide bar GB1 is moisture-absorbing yarn, and yarn laying of the guide bar GB2 is elastic yarn; the ratio X / Y of the width X formed by the open loops of the fabric body to the width Y formed by the three adjacent closed loops on one side and the horizontal distance between the open loops and the closed loops is 1 / 4-1 / 3, and the angle alpha formed by an inlet extension line and an outlet extension line of a first yarn forming loop in the fabric body ranges from 90 degrees to 160 degrees. The moisture-absorbing warp-knitted fabric and the clothes made of the moisture-absorbing warp-knitted fabric are stiff, wide and stylish and have good moisture-absorbing and sweat-releasing effects.

The invention belongs to the technical field of ceramic ring cleaning, and particularly discloses an automatic cleaning device and method for a piezoelectric ceramic ring of an underwater acoustic transducer. A first mover module and a second mover module are arranged on the portal frame structure, the first mover module is used for driving the second mover module to do horizontal reciprocating motion along the cross beam, and the second mover module is used for adjusting the height of the spray gun; and a third rotor module is arranged at the bottom of the portal frame structure, a ceramic ring mounting jig is arranged on the third rotor module, and the third rotor module is used for driving the ceramic ring mounting jig to move front and back. Horizontal displacement of the spray gun is achieved through the first mover module, vertical displacement of the spray gun is achieved through the second mover module, front-back movement of the ceramic ring mounting jig is achieved through the third mover module, it is guaranteed that the position of the spray gun can be accurately aligned with each ceramic ring, and high-efficiency, high-quality and high-consistency automatic cleaning of the ceramic rings is achieved.

The invention discloses a distillation purification method for preparing a silane coupling agent, and belongs to the technical field of preparation of silane coupling agents. The distillation and purification method for preparing the silane coupling agent comprises the following steps: step 1, mixing a silane coupling agent crude product, tetrahydrofuran, an organic antioxidant and an auxiliary agent, heating, mixing and stirring to obtain a mixture; 2, adding the mixture into a distillation tower, heating and distilling, controlling the heating temperature and the distillation rate, and ensuring stable and continuous evaporation and condensation of the silane coupling agent; and 3, collecting the condensed liquid into a collector, separating the liquid, filtering, and drying to obtain the silane coupling agent. According to the method, the product purity and yield of the silane coupling agent can be effectively improved.

The invention discloses a new energy ship pipeline fixing support and a fixing method thereof, and relates to the technical field of pipeline fixing.The new energy ship pipeline fixing support comprises a U-shaped transverse plate, a plurality of translation plates are arranged in an opening of the U-shaped transverse plate, an arc-shaped supporting plate is arranged above the translation plates, and a pair of arc-shaped clamping grooves are formed in the two sides of the bottom face of the arc-shaped supporting plate; a pair of arc-shaped sliding plates are clamped in the pair of arc-shaped clamping grooves in a sliding mode, an arc-shaped clamping plate is fixedly arranged at the top end of each arc-shaped sliding plate, and the arc-shaped supporting plate and the pair of arc-shaped clamping plates form an annular clamping cavity; and a pipeline is placed above the U-shaped transverse plate and is inserted into the annular clamping cavities in a penetrating manner. By means of the annular clamping cavity, the pipeline can be evenly stressed in all radial directions in the circumferential direction, and three-dimensional stress balance is achieved; the distance between the translation plates is adjusted according to the length of the pipeline, the clamping force can be evenly distributed in the length direction of the pipeline, and the translation plates and the clamping force jointly ensure that the pipeline can be stably clamped in all directions.

The invention provides secondary modified silica sol and a preparation method and application thereof.The secondary modified silica sol is prepared from silica sol, a primary modified component, a secondary modified component and water, the primary modified component comprises mPEG5K-silane and poloxamer 188, and the secondary modified component comprises waterborne acrylic emulsion and span 80; the specific raw materials are adopted to carry out secondary modification on the silica sol, so that the obtained secondary modified silica sol is large in viscosity and high in adhesion, the casting back layer slurry containing the secondary modified silica sol is high in wet strength, the collapsibility of an investment casting back layer is improved, the residual strength of a shell is reduced, the quick-drying effect is strong, and the service life of the casting back layer slurry is prolonged. And in the subsequent sand cleaning process, the shell can be vibrated quickly, the residual sand powder is extremely little, the quality and performance of the material are effectively kept, the surface quality of the casting is good, the production efficiency is greatly improved, and the manufacturing cost is saved.

The invention belongs to the technical field of intelligent control, and discloses a speed tracking self-adaptive iterative learning control method for an extrusion rod of an extruding machine, which comprises the following steps of: determining a dynamic model of the extrusion rod and a control target according to the physical property and the motion mode of the extrusion rod; based on an approximation theory, establishing a neural network model for an uncertain part in the extrusion rod motion model, and determining a speed tracking error system of the extrusion rod; designing virtual control input and actual control input based on a self-adaptive iterative learning control theory; based on the Lyapunov stability theorem, the stability of the controller is analyzed and designed. According to the speed tracking self-adaptive iterative learning control method for the extrusion rod of the extruding machine, limited time speed tracking of the extrusion rod can be effectively controlled, accurate motion control over the extrusion rod is achieved, and the size precision, the surface quality and the production efficiency of products are ensured.

The invention relates to the technical field of battery energy storage systems, in particular to a battery energy storage system operation reliability evaluation method and device based on data driving, and the method comprises the steps: obtaining the junction temperature fluctuation information and cycle index of a target energy storage converter, so as to calculate the total fault probability and wear fault probability of components, constructing a converter reliability evaluation model; obtaining energy storage sample data of the target battery module and voltages and temperature measurement points of all single batteries to calculate a safety early warning probability and a consistency safety early warning probability based on a data reconstruction error, and further constructing a battery energy storage safety early warning model; and establishing an operation reliability evaluation model according to the converter reliability evaluation model and the battery energy storage safety early warning model. Therefore, the problem that the reliability of the battery energy storage system is difficult to accurately evaluate because the PCS operation cycle index, the battery monitoring data and the state imbalance are not considered in the existing battery energy storage system operation reliability evaluation is solved.

The utility model discloses a sports shoe upper and a shoe, the sports shoe upper comprises a shoe upper base layer, the shoe upper base layer comprises a first splicing part, a second splicing part and a third splicing part, the first splicing part corresponds to a forefoot area and a heel area of a human foot; the second splicing part is positioned in the middle section area of the arch between the front sole area and the heel area; the third splicing part extends along the edge of the vamp, is connected with the sole and is connected with the first splicing part and the second splicing part; the fixing line is arranged at the junction of the first splicing part, the second splicing part and the third splicing part; the vamp base layer is formed by splicing a first splicing part, a second splicing part and a third splicing part, and the splicing parts are regions which are formed by weaving TPU yarns in an interweaving mode and have different weaving intensities. According to the sports vamp and the shoe, the softness and hardness of each part of the vamp base layer are adjusted by arranging the areas with different weaving intensities on the vamp base layer, the vamp fits the foot movement of a user, and the sports performance of the user is improved.

The invention discloses spinning coiling and winding equipment and a use method thereof, relates to the technical field of coiling and winding, and aims at solving the technical problem that in the prior art, after cotton drawing, the cotton sliver processing efficiency is low. A driving transmission assembly of a winding mechanism which is hung at the end, away from a thread arranging frame, of a thread grinding mechanism on a mounting shell drives a winding assembly to wind and wrap cotton slivers drawn by the thread grinding mechanism, and after wrapping, the cotton slivers are evenly wound through a winding mechanism and then placed into a finished product storage barrel to be stored. Cotton is wrapped and isolated after being drawn, the wrapping and winding time of the cotton can be greatly shortened through automatic operation of the winding mechanism and the winding mechanism, the production efficiency is improved, errors and labor intensity of manual operation can be reduced, and the production cost is reduced.

The invention relates to the technical field of credit risk control, in particular to a stateless process engine breakpoint running continuation method and system, and the method comprises the steps: obtaining a request unique id and a process id of a current breakpoint running continuation request; obtaining process arrangement information; acquiring technical context information; initiating a breakpoint continuous running request; judging whether the current task node is executed or not by adopting an access detector technology so as to identify whether the current task node is a breakpoint or not; assembling execution information of the current task node by adopting a post-processor technology, and storing the execution information in technical context information; and synchronously storing the technical context information and the request unique id of the current breakpoint continuous running request in a non-relational database and a relational database. According to the method, the Redis database and the MySQL database are integrated, and the access detector and the rear processor of the LiteFlow process engine are utilized, so that an efficient and reliable breakpoint continuous running mechanism is realized, and the LiteFlow process engine can accurately recover execution from a breakpoint after the process is interrupted.

The invention relates to an adhesion modified ionic conductive hydrogel for temperature and humidity sensing, a preparation method thereof and a storage device. The invention discloses adhesion-modified composite cross-linking ionic conductive hydrogel and a preparation method thereof, and relates to the technical field of polymer composite materials. The preparation method comprises the following steps: carrying out in-situ polymerization on polyvinyl alcohol, acrylamide, acrylic acid, cellulose, lithium chloride, a covalent cross-linking agent and an initiator at 50-60 DEG C by a one-pot method for 4-6 hours to obtain a precursor; carrying out low-temperature freeze-thaw cycle at-20 DEG C or below for 2-4 times; and carrying out polyol solvent exchange twice to obtain the polymer. Through in-situ polymerization covalent cross-linking and cellulose grafting, reversible physical cross-linking and secondary solvent exchange steps, the adhesive property of the hydrogel and the durability of the hydrogel in a low-temperature and natural dry environment can be improved on the basis of improving the mechanical property of the hydrogel, and the hydrogel can be used for assembling flexible stress-strain, temperature and humidity sensors and has wide application prospects. The invention also provides an adhesion modified ion conductive hydrogel storage device used for temperature and humidity sensing.

The utility model discloses a waterway system of environmental sanitation equipment and the environmental sanitation equipment with the waterway system, the waterway system comprises a water tank, a water pump assembly, an automatic unloading valve, a pressure detection piece and a control assembly, the water pump assembly is connected with the water tank; the automatic unloading valve is connected with the water pump assembly; the pressure detection piece is configured to detect the working pressure of the waterway system; the control assembly is in signal transmission with the pressure detection piece and the water pump assembly and is configured to adjust the rotating speed of the water pump assembly according to the water pressure obtained by the pressure detection piece. According to the waterway system, the automatic unloading valve can keep stable operation and safety of the waterway system, the pressure detection piece can detect the water pressure of the system in real time and generate an electric signal, the control assembly controls the water pump assembly to be kept at a reasonable rotating speed according to the pressure of the system, and work energy consumption of the waterway system is reduced.

A paper packing belt comprises a long-strip-shaped paper roll, the long-strip-shaped paper roll comprises a plurality of packing strips, the packing strips are bonded and fixed together side by side through environment-friendly glue, the cross section of each packing strip is flat, and each packing strip is composed of a composite layer and comprises a base material layer located in the middle and abrasion-resistant layers located on the two sides of the base material layer. The paper packing belt designed by the utility model is excellent in environmental protection property, mechanical strength, wear resistance, waterproof performance and the like, not only meets the high-standard requirements of modern logistics and packing industries on packing materials, but also provides a new thought and direction for research, development and application of environment-friendly packing materials. The wide application of the plastic can powerfully promote the development of the environmental protection industry, reduces plastic pollution, and contributes to the construction of a green and sustainable society.

The utility model relates to the technical field of rubber sealing ring production, and discloses a shaping device for rubber sealing ring production, which comprises a processing table, and a water storage tank is arranged at the top of the processing table; the supporting rod is arranged at the top of the machining table; and the top cover is arranged at the top of the supporting rod. The hydraulic cylinder is started, the hydraulic cylinder operates to drive the heating plate and the upper die block to move, when the upper die block is matched with the lower die block, the heating plate is started to heat the upper die block, so that a gap of a die is tightly filled with a rubber material, after the rubber material forms a required shape, the upper die block and the heating plate are recycled, and the water pump is started again. The water pump operates to suck water in the water storage tank through the water suction pipe, then the water is conveyed into the splitter plate through the water conveying pipe, and the water is sprayed out through the spray head to cool a rubber material, so that the effect of rapidly cooling the rubber sealing ring to maintain the shape and performance of the rubber sealing ring is achieved.

The invention discloses high-toughness, high-strength and high-temperature-resistant PMI foam, and relates to the field of high polymer materials. The PMI foam is prepared by mixing methacrylic acid, methacrylonitrile, an initiator, a modifier, a foaming agent, a cross-linking agent and a nucleating agent according to a specific proportion, and carrying out mechanical stirring, water bath polymerization and heating foaming. By controlling the temperature and time of the polymerization reaction and completing the polymerization reaction under specific foaming conditions, the obtained PMI foam material shows excellent toughness, strength and high temperature resistance, and is suitable for the field of light high-strength structural materials.

The utility model relates to the technical field of automobile door handles, in particular to a hidden type automobile door handle and a door handle assembly thereof, the hidden type automobile door handle comprises a base used for being connected with an automobile door, a handle connected with the base and a rotating shaft penetrating through the base and the handle respectively, and the handle can rotate around the axis of the rotating shaft relative to the base. And the limiting block is detachably connected to the base and is used for preventing the rotating shaft from being separated from the base. The hidden type automobile door handle solves the problem that a rotating shaft of an existing hidden type automobile door handle is in a movable inserting connection mode, so that the rotating shaft is prone to disengaging in the transportation process, the rotating shaft is convenient to disassemble and assemble, the rotating shaft can be prevented from disengaging, the risk that the rotating shaft of the hidden type automobile door handle disengages in the transportation process is avoided, and the service life of the hidden type automobile door handle is prolonged. And labor cost and repair time for checking and repairing the position of the rotating shaft after the product arrives at a main engine plant are saved.

The invention provides an oiling agent for carbon fibers as well as a preparation method and application thereof, the oiling agent comprises an amino modified silicone oil emulsion and an epoxy modified silicone oil emulsion, and the mass ratio of the amino modified silicone oil emulsion to the epoxy modified silicone oil emulsion is 1: (0.5-1.5); the amino modified silicone oil and the epoxy group-containing modified silicone oil are comb-shaped in structure, main chains of the amino modified silicone oil and the epoxy group-containing modified silicone oil are acrylate polymers, and branch chains of the amino modified silicone oil and the epoxy group-containing modified silicone oil are amino short silane chains or epoxy group-containing short silane chains; the preparation method of the oiling agent comprises the following steps: firstly, preparing an acrylate prepolymer by a solvent polymerization method, then respectively preparing amino modified silicone oil and epoxy group-containing modified silicone oil, and finally respectively carrying out water emulsification. The acrylate polymer is introduced into the oiling agent provided by the invention, so that the silicon content is reduced, the viscosity of the oiling agent is reduced, carbon fibers are conveniently oiled, a protective film is formed on the fibers, friction and abrasion between the fibers are prevented, and the surface defects of the carbon fibers are reduced.

The invention provides a display screen refreshing method and a related device, and relates to the technical field of terminals. The method can be applied to the electronic equipment comprising a first application and a display screen, and in the method, in the process that the display screen displays a first image frame, the first application generates a second image frame; at the first moment, the electronic equipment can refresh and display the second image frame on the display screen in response to the first Vsync signal; and if the first application does not generate the image frame between the first moment and the second moment, the electronic equipment can not execute the refreshing action on the display screen in response to the second Vsync signal at the second moment, and the display of the second image frame is maintained, so that the image frame can be displayed on the display screen under the condition that the electronic equipment does not generate the image frame. And the power consumption loss caused by the refresh action executed on the display screen is reduced.

The invention discloses a high-temperature-resistant and erosion-resistant composite material for a plasma gasifier and a preparation method thereof, belongs to the technical field of high-temperature-resistant composite materials, and aims to solve the technical problem that the high-temperature-resistant and erosion-resistant performance of a ramming composite material for the plasma gasifier in the prior art needs to be further improved. The silicon nitride reinforced silicon carbide composite material comprises the following components in parts by weight: 50-70 parts of aggregate, 25-45 parts of powder and 5-8 parts of a binding agent, the component of the aggregate is a silicon binding material, and the aggregate is composed of coarse aggregate, medium aggregate and fine aggregate according to the weight ratio of (30-40): (40-50): (30-50). The particle size distribution of the aggregate and the composition of the powder and the binding agent are optimized, so that the high-temperature erosion resistance and the volume density of the composite material are effectively improved, and the heat-conducting property of the composite material is also reduced.

The utility model relates to the technical field of waste gas purification treatment, and discloses spraying organic waste gas heat accumulating type RTO treatment equipment which comprises a base, a furnace body is fixedly connected to the interior of the base, a first motor is fixedly connected to the upper portion of the furnace body, and the output end of the first motor is fixedly connected with a rotating shaft. Fixed rods are fixedly connected to the exteriors of the rotating shafts, movable rods are slidably connected to the interiors of the multiple fixed rods, rollers are fixedly connected to the other ends of the movable rods, cleaning brushes are arranged on one sides of the rollers, reset springs are arranged in the fixed rods, and movable rods are fixedly connected to one ends of the reset springs. According to the utility model, the inner wall of the furnace body can be effectively cleaned, dirt, deposited carbon and residues attached to the surface of the furnace body can be removed, and the height of the foot support can be conveniently adjusted, so that the contact between the bottom of equipment and the ground is more stable, and the safety of a working place is improved.

The invention discloses alkaline stripping liquid for a silicon-based surface composite film and a stripping method of the alkaline stripping liquid. The alkaline stripping liquid is prepared from the following raw materials in percentage by mass: 12 to 17 percent of alkaline substance, 0.08 to 0.15 percent of oxidizing agent, 0.02 to 0.1 percent of composite complexing agent, 0.01 to 0.05 percent of interfacial agent and the balance of water, wherein the composite complexing agent is composed of an aluminum complexing agent and a molybdenum complexing agent according to the mass ratio of 1: 1. The method has the advantages of being good in stripping effect, small in silicon substrate damage, free of residues, high in universality, easy and convenient to operate and the like, and can be widely applied to the field of electronic chemicals, the technical field of semiconductors and the technical field of film stripping.