962results about How to "Improve environmental performance" patented technology

The invention relates to the technical field of hydrogen engines, in particular to a hydrogen internal combustion engine crankcase ventilation system, an engine and a hydrogen concentration control method. The crankcase ventilation system of the hydrogen internal combustion engine comprises a crankcase, a measuring part, an air supplementing part, a ventilation part and a control device, the crankcase comprises an air inlet and an air outlet, the measuring part is arranged in the crankcase, the air supplementing part comprises an air supplementing pump, the air supplementing pump is communicated with the air inlet, the ventilation part comprises an oxidation catalyst and a ventilation pump which are communicated in sequence, and the control device is arranged in the crankcase. The oxidation catalyst is communicated with the exhaust port and connected with a temperature control device, and in addition, the control device is electrically connected with the measuring part, the air supplementing pump, the ventilation pump and the temperature control device. According to the invention, the concentration and pressure of hydrogen in the crankcase are monitored in real time, and the gas supplementing pump, the ventilation pump and the temperature control device are adjusted according to the measurement result, so that the concentration of hydrogen in the crankcase is effectively controlled.

The invention relates to the technical field of viscose large biological fibers, in particular to a viscose large biological fiber containing antioxidant active ingredients and a preparation method of the viscose large biological fiber. The viscose large biological fiber is prepared from the following raw materials in parts by weight through reaction: 20 to 24 parts of COFs carrier, 5 to 8 parts of plant source antioxidant active component, 200 to 240 parts of spinning solution, 2 to 4 parts of lauryl sodium sulfate, 2 to 4 parts of glycerol monooleate, 3 to 5 parts of cyclodextrin, 2 to 4 parts of titanium dioxide and 3 to 5 parts of silane coupling agent. The antioxidant active component is attached to the COFs carrier, in the prepared viscose large biological fiber, the COFs carrier serves as a framework of the viscose large biological fiber, and the end of the COFs carrier is exposed out of or close to the skin of the viscose large biological fiber, so that the antioxidant active component on the COFs carrier is conveniently transferred to the skin of the viscose large biological fiber; it is guaranteed that the active components can play a role smoothly, and the anti-oxidation effect of the viscose large biological fiber is good.

The invention discloses a high-adhesion super-hydrophobic protective coating process method and a coating. The high-adhesion super-hydrophobic protective coating process method comprises the following steps: S1, preparing magnetic nano iron oxide particles; s2, performing neodymium modification on the magnetic nano iron oxide particles to obtain ferromagnetic neodymium modified iron oxide; s3, preparing and spraying a neodymium modified iron oxide coating; s4, preparing and coating a negative charge modified polymer microsphere coating; s5, preparing and spraying a positive charge modified polymer microsphere coating; and S6, preparing and spraying a modified nano silicon dioxide super-hydrophobic coating. According to the method, neodymium-modified magnetic nanometer iron oxide serves as a first layer of the surface of a steel substrate and is sprayed and dried in a magnetic field, it is guaranteed that the neodymium-modified magnetic nanometer iron oxide is tightly adsorbed to the steel surface, a magnetic transition layer is formed, and then coatings with different charges are alternately coated through the electrostatic attraction effect; and finally, a high-adhesive-force super-hydrophobic coating is formed on the steel surface in a layer-by-layer self-assembly mode, and the problem that the adhesive force of the super-hydrophobic coating is poor is obviously solved.

The invention belongs to the technical field of candle accessories, and particularly relates to a preparation method and application of a degradable candle container. The degradable candle container provided by the invention is prepared from the following raw materials in parts by mass: 60-100 parts of polylactic acid, 5-20 parts of filler, 5-20 parts of an environment-friendly flame retardant, 1-6 parts of a flame-retardant synergist and 0-7 parts of a performance additive, the modification additive comprises one or two of a polylactic acid modification additive and a filler modification additive; the polylactic acid modification auxiliary agent comprises one or two of maleic anhydride and dicumyl peroxide; the filler modification additive comprises one or more of a silane coupling agent and an alkali metal hydroxide solution; the filler comprises one or more of hemp, fiber and agricultural waste. The degradable candle container obtained by the invention not only has good flame retardant property, but also has excellent biodegradability and good processability and mechanical property, and can ensure the safety of candle combustion.

The invention discloses a mobile AI energy storage charging robot. The mobile AI energy storage charging robot comprises an AI robot main body and a charging module, the AI robot main body comprises a mobile platform, an energy storage module, a communication module, a navigation and sensor module and an AI control module; the moving platform is used for assisting the robot to move in different terrains; the energy storage module is used for storing energy and supporting bidirectional charging and discharging; the AI control module is used for realizing the functions of task scheduling, energy distribution and path planning; the navigation and sensor module is used for environment perception and obstacle detection; the communication module is used for data exchange and cooperation; the charging module is used for charging target equipment; the charging module supports quick charging and can dynamically adjust charging current and voltage based on the battery state of the target equipment or the vehicle; the AI control module optimizes a charging task and a path through a deep learning model, and efficient task scheduling and energy utilization optimization are realized.

The invention discloses a multi-energy energy management method and a ship, the method is applied to a multi-energy power system comprising a fuel cell, a battery pack and photovoltaic power generation, an energy management optimization model based on model prediction control is established, and the energy management optimization model comprises a prediction model, rolling optimization and a reference trajectory. An energy management strategy is optimized in real time through model predictive control (MPC), conversion and distribution among different energy sources are intelligently managed according to actual energy source requirements and availability, and therefore stable supply of power output is achieved. A multi-energy complementary hybrid power platform is constructed by integrating a hydrogen fuel cell, a lithium battery and a photovoltaic power generation technology, an energy management strategy is optimized in real time through model predictive control (MPC), and efficient and stable use of energy under various navigation conditions is ensured.

The acupuncture and moxibustion auxiliary operation device comprises an outer shell, an inner shell and a controller, a fixing assembly is installed on the outer side wall of the outer shell, a rotating assembly is installed on the inner top wall of the outer shell, an opening is formed in one end of the inner shell, a first pressure sensor is installed at the opening, and a connecting rod is fixedly connected to the inner top wall of the inner shell; the connecting rod is provided with a plurality of leaking holes and connected with a power part, a force storage shell is installed outside the power part, a strain gauge is embedded in the side wall of the force storage shell, the bottom of the force storage shell is communicated with a needle pushing assembly, the needle pushing assembly comprises a shell, a needle clamping device is in sliding fit with one end of the shell, a pushing plate is in sliding fit with the interior of the shell, and the space between the pushing plate and the needle clamping device is filled with liquid. And a liquid level sensor is embedded in the shell. The problems that in the traditional acupuncture treatment process, the dependence on the skills of doctors is high, operation is tedious, and the control over the needle inserting depth and the needle twisting angle is inaccurate are solved.

The invention provides a welding device for bus duct processing, and belongs to the technical field of welding devices.The welding device comprises a first support, the upper end of the first support is fixedly connected with a second support, the upper end of the second support is provided with a transverse moving module, the transverse moving module is provided with a longitudinal moving module, and the top of the second support is provided with a welding machine box; an electric telescopic rod is arranged at the lower end of the longitudinal moving module, a laser welding head is arranged at the output end of the electric telescopic rod, the welding machine box is connected with the laser welding head, a suction module is further arranged at the output end of the electric telescopic rod, and the side of the suction module communicates with a smoke dust stripping module. The welding device for bus duct machining solves the problems that a large amount of smoke dust can be generated in the welding process of an existing welding device for bus duct machining, the smoke dust can pollute the environment, certain harm can be caused to the body after long-term inhalation, and the environmental protection performance is poor.

The invention discloses an industrial emission carbon and emission reduction real-time monitoring device and a use method thereof, and belongs to the technical field of industrial emission monitoring. An industrial emission carbon reduction and emission reduction real-time monitoring device comprises a detection device shell, a detection plate is installed outside the detection device shell, and a second fan is installed at the lower end of the detection device shell; and three upper-layer filter plates and three lower-layer filter plates are mounted in the detection device shell. The problems that an existing emission monitoring device cannot treat monitored carbon emission gas, and long-term work of the monitoring device is affected are solved, a servo motor is adjusted through a PLC module, an upper-layer filter plate and a lower-layer filter plate are driven to move, the upper-layer filter plate and the lower-layer filter plate are arranged in a targeted mode, and under the condition that the carbon emission reaches the standard, the carbon emission can be effectively controlled. The upper-layer filter plate and the lower-layer filter plate can be rotated to a vertical position, so that filter elements in the filter plates are prevented from being consumed, and the service life of equipment is prolonged.

The present invention provides a method for preparing a bio-based fluorine-free water repellent for synthetic leather, which includes the following steps: 1) reacting a bio-based polyol with a special isocyanate to obtain a multi-functional end-capped intermediate; 2) subjecting the multi-functional end-capped intermediate to an ester exchange to obtain an outwardly extending bio-based long carbon chain end to obtain a bio-based fluorine-free water repellent. The present invention also creatively proposes a bio-based fluorine-free water repellent for synthetic leather, which is prepared by any of the above methods. The present invention selects bio-based raw materials and effectively regulates the functionality in the reaction process in the structure, designs the outwardly extending water-repellent chain segments, and makes the water repellent have good performance. The water repellent prepared by the present invention is fluorine-free and easier to degrade, low-carbon and environmentally friendly, and conforms to the concepts of green chemical industry and renewable.

The invention discloses an atmosphere lamp adaptive management method and system based on emotion perception, and relates to the technical field of light adjustment, the system uses a high-precision camera to monitor facial expression, posture and action changes of employees, extracts key features, establishes an emotion data set, and uses a convolutional neural network CNN to construct an emotion recognition model; and generating an emotion index Em. Meanwhile, the environment simulation model monitors indoor and outdoor light rays, barrier distribution and weather conditions in real time, creates an environment data set, simulates illumination effects in different emotional states, generates an illumination brightness coefficient L1, generates a corresponding early warning instruction when it is judged that the concentration of the employees is unqualified, and gives an alarm according to the early warning instruction and the comprehensive emotional illumination adjustment coefficient Cl. Corresponding atmosphere lamp adjusting instructions are generated according to different office scenes, and light brightness and color temperature are adjusted, so that the atmosphere lamp adjusting instructions adapt to emotional states and working scene requirements of current employees.

The invention relates to the technical field of essence preparation, and particularly discloses an essence microcapsule with a degradable shell as well as a preparation process and application of the essence microcapsule. The invention discloses a preparation process of shell degradable essence microcapsules. The preparation process comprises the following steps: step 1, weighing a proper amount of water, starch sodium octenylsuccinate, essential oil and polyisocyanate; 2, mixing starch sodium octenylsuccinate with water to obtain a continuous phase; step 3, mixing polyisocyanate with essential oil to obtain a dispersed phase; 4, mixing the continuous phase and the dispersed phase to obtain an emulsion; and 5, adding a sodium hydroxide solution, and carrying out a heat preservation reaction for 2-6 h to obtain the shell-degradable essence microcapsule. The prepared essence microcapsule shell can be naturally degraded after being used, so that pollution to the environment is reduced, the environmental protection performance of an essence product is effectively improved, and potential hazards of micro-plastic pollution to marine ecology and biodiversity are effectively reduced.

The present invention relates to the technical field of fluidized bed combustion furnaces, and in particular provides an intelligent and clean biomass fluidized bed combustion furnace. The intelligent and clean biomass fluidized bed combustion furnace includes an installation component, a mixed flow component, a feed component, a combustion furnace and an exhaust gas circulation component. The present invention can provide a uniform and continuous gas supply flow and biomass fuel to the combustion furnace, ensure the uniformity of the temperature of the combustion process in the combustion furnace, and use the gas supply flow to preheat and dry the biomass fuel, improve the combustion efficiency, reduce the influence of moisture on the combustion process, reduce fuel consumption and flue gas emissions, and improve the removal efficiency of sulfur dioxide in the flue gas, reduce the emission level of sulfur dioxide, and effectively control the generation of nitrogen oxides, improve energy efficiency, reduce energy waste, ensure that the combustion process is environmentally friendly and meets emission standards, and separate particulate matter from the initial combustion smoke generated by combustion, significantly reducing the pollution concentration of particulate matter in combustion emissions, meeting environmental protection requirements.

The invention discloses a method for preparing a sodium-ion battery hard carbon negative electrode material by modifying industrial waste activated carbon. Industrial waste activated carbon is used as a raw material, a high-molecular polymer is used as a modifier, water or an organic solvent is used as a solvent, and the sodium-ion battery hard carbon negative electrode material is obtained through process treatment of firstly mixing, then carrying out medium-low temperature pretreatment and finally carrying out high-temperature carbonization. The method disclosed by the invention is simple and environment-friendly in process, waste utilization of the waste activated carbon generated in the field of waste gas treatment in the electronic industry, the shoemaking industry or the printing industry can be realized, and the prepared hard carbon has the characteristics of high yield, good electrochemical performance and low cost.

The invention discloses a method for efficiently co-producing benzoquinone and cyclohexanone based on electrochemical oxidation / reduction of phenol, which adopts an acid-base mixed electrochemical electrolytic tank, the anode electrolyte is alkaline electrolyte, the cathode electrolyte is acidic electrolyte, the anode electrode is nickel foam loaded with nickel sulfide-nickel oxide composite nanosheets, and the cathode electrode is nickel foam loaded with nickel sulfide-nickel oxide composite nanosheets. The cathode electrode is a palladium-nickel-boron nanoparticle alloy with nitrogen-doped porous carbon as a carrier, and the anode electrolyte and the cathode electrolyte are separated by a bipolar membrane; the phenol is added into the anolyte and the catholyte, so that the phenol is electrochemically oxidized by the anode to generate an additional product benzoquinone with high economic value, and meanwhile, the phenol is catalyzed by the cathode to be reduced to generate an additional product cyclohexanone with high economic value. The whole system only needs to consume acid and alkali, the method has the advantages of being good in environmental protection effect and considerable in capacity, and the electrochemical electrolytic tank is good in stability, simple in preparation method, low in cost and easy to achieve large-scale production and has the potential to be applied to large-scale treatment of acid and alkali wastewater containing phenol in industry.

The invention belongs to the technical field of building materials, and particularly relates to a bentonite-starch composite thixotropic agent as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) grafting a carbon-carbon double bond on starch to obtain grafted modified starch; (2) grafting ether groups on carbon-carbon double bonds of starch to obtain modified etherified starch; (3) adsorbing a polycarboxylate superplasticizer and polyethylene glycol on the surface and between layers of bentonite to obtain modified bentonite; and (4) adding the modified etherified starch, the modified bentonite, a cross-linking agent, an initiator and a pH regulator into water, and carrying out graft copolymerization reaction to obtain the bentonite-starch composite thixotropic agent. The composite thixotropic agent has excellent thixotropic performance, stability, plasticity and cohesiveness, and overcomes the defects that bentonite has water absorption expansibility and is difficult to store, and an organic thixotropic agent is high in price and poor in stability.

The invention discloses an amorolfine hydrochloride liniment and a production process. The formula of the amorolfine hydrochloride liniment comprises amorolfine hydrochloride, ethanol, propylene glycol, polyethylene glycol, acrylic resin RL100, glyceryl triacetate, ethyl acetate and butyl acetate. The preparation method comprises the following steps: 1, selecting a solvent material; step 2, generation of an amorolfine raw material; step 3, synthesizing amorolfine hydrochloride; step 4, preparation of the liniment; step 5, quality control; and step 6, packaging and storing. The amorolfine hydrochloride liniment based on the acrylic resin RL100 as the coating and framework material is designed, the specific release requirement of the medicine can be effectively met, ultraviolet rays can be absorbed, erosion of the ultraviolet rays can be effectively resisted, and the service life of the medicine is prolonged; meanwhile, the propylene glycol component is added, so that the stability and solubility of the medicine and the permeability of the medicine are improved; the polyethylene glycol component is also added, so that the smearing property and the use experience of the medicine can be improved.

The invention discloses a preparation method of a flame-retardant viscose fiber with an antibacterial function, which comprises the following steps: (1) under sufficient stirring, sequentially adding a phosphorus flame retardant, a dispersant and graphene oxide into deionized water with an alkaline pH value, and stirring and ball-milling to obtain a flame retardant dispersion liquid; (2) preparing a spinning stock solution by taking cellulose pulp as a raw material, and adding the flame retardant dispersion liquid into the spinning stock solution by adopting a pre-spinning injection method to prepare a blended spinning stock solution; (3) spinning the blended spinning stock solution in a coagulating bath, and reducing the blended spinning stock solution in an oxidation-reduction bath to obtain a formed tow; and after drafting, carrying out a post-treatment process to obtain the flame-retardant viscose fiber with the antibacterial function. The production process is optimized from multiple aspects such as selection of raw materials for preparing the flame retardant, oxidation reduction and the like, and the prepared flame-retardant viscose fiber has excellent flame retardance, good physical and mechanical properties and antibacterial properties and good wearability.

The invention discloses an environment-friendly paperboard ink printing process and printing equipment thereof, and relates to the technical field of printing equipment, the environment-friendly paperboard ink printing process comprises the following steps: S1, pretreatment; s2, adjusting parameters; s3, rapid printing; s4, infrared drying and quality detection; and S5, post-processing. According to the method, quality detection of the test printing sample can be achieved through appearance, performance and size detection and quality evaluation, quality detection is also conducted on the paperboard after continuous printing is finished, the finished product rate of paperboard printing can be increased through double quality detection, infrared drying treatment is utilized after printing, generation of harmful gas during drying can be reduced, and the printing quality of the paperboard is improved. The workload of purification equipment is reduced, the drying speed is high, the drying efficiency can be improved, energy consumption is reduced, the environmental protection effect of the equipment in use is further improved, the temperature in the drying box is detected through the first temperature sensor during drying, and therefore the drying temperature is adjusted, and the drying temperature in the drying box can be conveniently maintained to be basically stable.

The invention belongs to the technical field of laser welding, and particularly relates to laser welding equipment and a welding method thereof. Comprising a body, a connecting pipe and a laser welding gun, a winding disc is arranged at the top of the body and used for winding the connecting pipe, one end of the connecting pipe is wound on the winding disc, and the other end of the connecting pipe is connected to the side, away from the output end of the laser welding gun, of the laser welding gun; the laser welding gun is provided with a rotating and sucking assembly, and the rotating and sucking assembly is used for sucking splashing particles generated in the workpiece welding process of the laser welding gun. A cooler is arranged at the top of the laser welding gun through a bolt, and a multidirectional temperature control mechanism is arranged on the cooler; according to the device, splashing particles are sucked into the containing square box along with flowing of air by rotating the sucking assembly, it is avoided that time and energy need to be spent on cleaning bonded impurities afterwards, the working intensity of workers is reduced, the using and welding effects of the device are improved, and the limitation of the device in the using process is further reduced.

The invention provides a cross-linking and curing environment-friendly polyurethane waterproof coating and a preparation method thereof, and the cross-linking and curing environment-friendly polyurethane waterproof coating comprises the following raw materials by weight: 15-30 parts of a polyhydroxy compound; 6 to 15 parts of pentaerythritol polyether; 1-5 parts of an anionic surfactant; 1 to 5 parts of nano silicon dioxide aerogel; 1-8 parts of wollastonite powder; 25 to 45 parts of fly ash floating beads; 10 to 25 parts of diisocyanate; 0.5 to 3 parts of chlorinated paraffin; and 0.5 to 3 parts of N, N-dimethyl-2-hydroxyethylamine. The cross-linking curing environment-friendly polyurethane waterproof coating provided by the invention solves the environment-friendly problem of the traditional polyurethane waterproof coating, realizes solvent-free curing, meets the environment-friendly requirement, improves the comprehensive properties such as elasticity and durability of a coating film, and provides a safer and more effective solution for waterproof construction.

The invention belongs to the technical field of toy production, and particularly relates to a coloring device and method for plastic toy production, the coloring device for plastic toy production comprises a clamping transfer assembly, a conveyor belt assembly, a folding adsorption assembly, a paint blocking film paper feeding assembly and a paint spraying assembly; the clamping and transferring assembly is used for clamping the toy workpieces and the wrapping pieces of the toy workpieces to transfer the toy workpieces and the wrapping pieces among the stations. Conveying belt assemblies are arranged below the feeding station, the separation station and the discharging station respectively, a paint film blocking paper feeding assembly and a folding adsorption assembly are sequentially arranged at the position, located below the conveying belt assemblies, of the feeding station, the position, located below the conveying belt assemblies, of the separation station is provided with the folding adsorption assembly, and a paint spraying assembly is arranged below the paint spraying station. The paint blocking film paper is used for blocking the toy workpiece, and spot coloring of the toy workpiece can be achieved; and meanwhile, redundant paint and paint blocking film paper can be efficiently recycled in the coloring process, and the environment-friendly effect is good.

The sand blasting device comprises a sand blasting cabinet used for containing a treated workpiece, a movable groove allowing a sand blasting pipe to stretch into the cabinet body is formed in the upper end of the sand blasting cabinet, and a sand blasting pipe moving assembly capable of being connected with the sand blasting pipe to guide the sand blasting pipe to move is arranged beside the sand blasting cabinet. And a jacking rotating assembly which extends into the cabinet body and is used for bearing a treated workpiece is arranged below the sand blasting cabinet, so that the inner surface and the outer surface of the treated workpiece can be effectively treated. Through the arrangement of the sand blasting pipe movement assembly which specifically comprises the lifting assembly, the transverse moving assembly and the sand blasting pipe adjusting assembly and works cooperatively with the jacking rotating assembly, comprehensive and uniform sand blasting treatment on the inner surface and the outer surface of the circular workpiece is achieved, the treatment efficiency and consistency are remarkably improved, the low efficiency and inconsistency caused by manually holding a sand blasting gun by hand are avoided, and the working efficiency is improved. Compared with the prior art, the sand blasting device has the remarkable advantages that the sand blasting efficiency, quality and environment-friendly performance of the circular workpiece are remarkably improved.

The invention belongs to the technical field of carbon materials and new energy materials, and particularly relates to a modified resin-based nitrogen-containing hard carbon material as well as a preparation method and application thereof. Melamine is introduced into a phenolic resin system to synthesize phenol-melamine-formaldehyde resin, triazacyclo-covalently polymerized resin molecules are formed, an organic pore-forming agent is synchronously used for adjusting the pore channel structure of the material, and after high-temperature carbonization, the high-temperature carbonization is performed to obtain the high-temperature-resistant phenolic resin. And the hard carbon negative electrode material for the sodium ion battery, which is high in nitrogen doping, rich in closed pore structure and disordered in microstructure, is prepared. After melamine participates in the reaction, a triazacyclo ring with a stable structure is introduced into a resin molecular structure, and the nitrogen-doped hard carbon material is formed after carbonization. Nitrogen elements are uniformly distributed in the carbon material and on the surface of the carbon material, abundant active sites are provided, and the reversible capacity of sodium ion storage can be improved.

The invention relates to a grinding device for quartz tube machining and a grinding method thereof.The device comprises box bodies arranged in a bilateral symmetry mode, clamping rotating shafts, clamping cylinders and a plurality of clamping rings are arranged in the box bodies and used for stably fixing a quartz tube, the device is provided with a motor driving system, and the quartz tube is driven to rotate through a first motor; in order to solve the dust problem, the device is provided with a multi-stage dust treatment system composed of a cyclone separation box, a wetting adsorption layer, a planetary gear train and the like, dust generated in the grinding process can be efficiently collected and treated, secondary pollution is avoided, and in addition, the device is simple and convenient to design and low in cost. The quartz tube polishing device is simple in structure, flexible to operate, low in maintenance cost, high in polishing efficiency and environment-friendly, suitable for precision machining of quartz tubes, and particularly wide in application prospect in polishing scenes requiring high cleanliness and high precision.

The utility model belongs to the field of machinery, and relates to a leakage-resistant and heavy-smashing-resistant rubber chain belt which comprises a chain A piece, a leakage-resistant belt, a driving chain and a chain belt structure of a chain A piece, the driving chain comprises a roller chain or an annular chain, the roller chain comprises a driving chain shaft, a chain roller and a chain link plate, and the chain A piece comprises a roller chain A piece or an annular chain A piece. The armor connecting piece chain belt structure is arranged on a driving chain shaft or a chain link plate or a chain armor piece, the chain armor piece, a leakage preventing belt and a driving chain are connected into the chain belt leakage preventing armor anti-smashing belt, the chain armor piece comprises a chain plate strip or an armor belt, the armor belt comprises a chain armor shaft penetrating belt or an armor block and armor block buckling belt, the chain armor shaft penetrating belt comprises an armor block and a chain armor shaft penetrating belt, and the chain armor shaft penetrating belt comprises a chain armor shaft penetrating belt and a chain armor shaft penetrating belt. The chain A penetrating shaft comprises a rigid penetrating shaft and a buffer penetrating shaft, a penetrating shaft hole is formed in the chain A block, the chain A penetrating shaft penetrates through the penetrating shaft hole to connect the chain A block into a chain A penetrating shaft belt, and the leakage preventing belt is connected with the chain A piece through the driving chain shaft or connected with the chain A piece through the chain link plate or connected with the leakage preventing belt and the chain A piece through the driving chain shaft.

The invention relates to degradable ceramic body mud and a manufacturing method thereof, and belongs to the technical field of ceramics. Comprising the following steps: grinding, crushing and sieving calcined talc, wollastonite, phlogopite and yttria-stabilized zirconia, adding stearic acid and a carboxymethyl chitosan solution, carrying out ball-milling mixing, adding polyhydroxy citronellal and absolute ethyl alcohol in a nitrogen atmosphere, carrying out constant-temperature stirring, filtering out a solvent, drying, adding isobutanol and an aluminum-zirconium coupling agent, continuously stirring, and carrying out vacuum drying to obtain the modified yttria-stabilized zirconia ceramic. And filtering, washing, carrying out vacuum drying, adding a binder and deionized water, stirring, standing, carrying out compression molding, carrying out vacuum drying, and calcining. Polyvinyl alcohol is selected as a green binder, the excellent binding characteristic of the polyvinyl alcohol enhances the forming efficiency of the slurry, the slurry is harmless to the environment, polyhydroxy citronellal and carboxymethyl chitosan enhance the modification and uniform dispersion of the stone surface, and then the microstructure of the material is improved. And the environment-friendly dispersing agent and the binder are added, so that the environmental pollution is reduced, and the performance and green ecology are improved.

The invention discloses a bird repelling compound fertilizer with triple functions and a preparation method thereof, and belongs to the technical field of agricultural chemical bird repelling. The bird repelling compound fertilizer comprises the following components in percentage by weight: 0.1-10% of a bird repelling agent, 0.01-10% of a stabilizer, 60-80% of a fertilizer carrier and 0.1-20% of a granulating agent. The preparation method comprises the following steps: uniformly mixing the components with water in proportion, granulating, drying and screening to obtain the bird repelling compound fertilizer. The bird-repelling compound fertilizer is convenient to use, has the effects of sterilizing and repelling birds and animals, contains sufficient nutrients, can provide sufficient nutrient substances for seed germination and growth, also has a sterilizing effect, and can protect seed germination and normal growth.

The utility model relates to the technical field of ceramic handicrafts, in particular to a hollowed-out ceramic handicraft which comprises a base, a handicraft body is arranged in the middle of the upper surface of the base, a plurality of hollowed-out holes are formed in the outer wall of the handicraft body, and containing cavities are formed in the periphery of the interior of the base. A pull rod is arranged in the placing cavity, the end, away from the center of the base, of the pull rod penetrates to the outer wall of the base, a supporting plate is fixedly connected to the outer wall of the end, away from the center of the base, of the pull rod, and a plurality of illuminating lamps are fixedly connected to the upper surface, close to the edge, of the base; a mounting cavity is formed in the middle of the interior of the base, a storage battery is arranged in the mounting cavity, a converter is fixedly connected to the front end of the upper surface of the base, a solar panel is fixedly connected to the edge of the upper surface of the base, and compared with the prior art, the problem that existing ceramic artware is not stably placed is solved.

The invention discloses an automobile gear forge piece machining punching die with a positioning mechanism, and relates to the technical field of gear forge piece machining, the automobile gear forge piece machining punching die comprises a fixed bottom die and a movable top die, a four-way clamping mechanism is installed at the bottom of the fixed bottom die, and a gear base material is clamped and positioned on the inner side of the four-way clamping mechanism; a through hole is formed in the center of the fixed bottom die, a flange connecting disc is fixedly installed on the top of the movable top die, and a punch is fixedly installed in the center of the bottom of the movable top die. According to the gear base material punching device, stable clamping and positioning can be conducted in the four directions of a gear base material through the arrangement of the four-direction clamping mechanism, a clamping base and the gear base material can make buffer type contact through the arrangement of a high-strength spring in the four-direction clamping mechanism, and deformation extrusion force generated in the punching process of the gear base material can be buffered advantageously; damage to the four-way clamping mechanism is avoided, and the positioning stability and the positioning buffering effect of the four-way clamping mechanism on the gear base material are improved.