90results about How to "No emissions" patented technology

The application relates to the technical field of catalysts, and discloses a limited type iodine-based homogeneous immobilized catalyst as well as a preparation method and application thereof. The catalyst comprises a carrier and iodine ions, magnesium ions and quaternary ammonium ions loaded on the carrier, wherein the molar ratio of the magnesium ions, the quaternary ammonium ions, the iodine ions and the carrier is 0.01-1:4-15:1-30:1. The limited type iodine-based homogeneous immobilized catalyst disclosed by the application enhances the electrostatic interaction between iodine ions and quaternary ammonium ions through the molecular sieve limiting effect to construct a limited type structure. The catalyst has significantly enhanced CO2 adsorption and activation capacity, can activate an epoxide compound, and accelerates the ring opening of the epoxide compound. In a cycloaddition reaction catalyzed by the catalyst under the conditions of no solvent and no auxiliary agent, the conversion rate of propylene oxide can reach more than 73%, and the propylene carbonate selectivity can reach more than 85%.

The present application relates to the technical field of ammonia compound preparation, in particular to a method for preparing ammonium sulfate and co-producing sodium bicarbonate by using sodium sulfate, comprising the following steps: mixing industrial-grade liquid ammonia with deionized water to prepare ammonia water with a free ammonia concentration of 60-120 ti (ti is the abbreviation of titer, which is 1 / 20 mol / L), controlling the temperature of the mixing process to be less than or equal to 40 DEG C to avoid ammonia volatilization, pre-carbonizing by passing in CO2 under the conditions of 20-70 DEG C and a carbon dioxide pressure of 0.1-0.6 MPa, and adding sodium sulfate or a mixture of sodium bicarbonate and mirabilite to obtain a pre-carbonized liquid. The present application adopts an integrated process of pre-carbonization, clarification, carbonization, ammonia separation and low-temperature crystallization, and ammonia evaporation circulation, and can be operated continuously or intermittently, has low industrial implementation difficulty, strong running stability, separates ammonium sulfate by using ammonia separation and low-temperature crystallization technology, replaces the traditional evaporation and concentration process, combines material recycling design, and reduces the energy consumption per unit product compared with the traditional process.

The application relates to the technical field of catalysts, and discloses a nano magnesium oxide material and a preparation method and application thereof. The nano magnesium oxide material has a porous structure, wherein the particle size of the nano magnesium oxide is 20-200 nm; and the pore size of the porous structure is 5-45 nm. The classical nucleation growth process of the magnesium oxide is directionally adjusted in a weak alkaline nucleation system, and then the nano magnesium oxide with a controllable grain size distribution is obtained. The nano magnesium oxide material has good catalytic activity in the synthesis of propylene carbonate from CO2 and an epoxide under the conditions of no solvent and no auxiliary agent, and the catalyst is not deactivated after multiple uses, and has good stability.

The application discloses a green and efficient regeneration method of activated carbon in a brine acidification-activated carbon adsorption deodorization process, and is characterized by comprising the following steps: S1, water washing and salt removal through aeration; S2, ozone oxidation regeneration: adding an alkali liquor with the same volume as the activated carbon into an activated carbon adsorption tower, and then blowing ozone into the bottom of the activated carbon adsorption tower, so that the ozone is subjected to oxidation reaction with the activated carbon under the alkaline condition, and then waste alkali liquor is discharged; S3, water washing and alkali removal through aeration; S4, waste liquid reuse; and S5, waste material reuse. The application can not only avoid the loss of activated carbon caused by high-temperature burning, but also has short regeneration time of the activated carbon and no harmful substance residue, and is very suitable for the regeneration of the activated carbon in the acidification brine activated carbon adsorption deodorization process. In addition, the waste liquid and the waste material in the regeneration process of the activated carbon can be reused, the whole process is free of toxic and harmful waste emission, is green and environment-friendly, has low treatment cost, high efficiency, good economy, environmental protection and feasibility.

The invention relates to the technical field of metal surface treatment, in particular to a coating precursor composition, a metal coating and a preparation method and application of the coating precursor composition and the metal coating. The nano additive comprises a combination of nano silicon dioxide, nano aluminum oxide, nano magnesium oxide and nano titanium dioxide. The coating precursor composition provided by the invention comprises the silane coupling agent and the nano additive, and the metal coating prepared from the coating precursor composition has the excellent properties of high temperature resistance, difficulty in stripping, high hardness, no color, transparency and the like, can effectively resist erosion and wear of an external environment, and effectively prolongs the service life of metal.

The invention discloses a porous microstructure foaming white cement radiation refrigeration composite material and a preparation method thereof, and belongs to the technical field of building energy-saving materials.According to the material, sulphoaluminate white cement serves as a base material, a foaming agent is added, and evenly-distributed porous microstructures are formed in the preparation process; by utilizing the synergistic effect of the high reflection characteristic of the sulphoaluminate white cement and the enhanced scattering and heat insulation performance of the porous microstructure, the efficient radiation refrigeration function is realized; the problems that a traditional white cement material is low in radiation refrigeration efficiency and insufficient in heat insulation performance are solved, the preparation process is simple, the cost is controllable, the material can be widely applied to building exterior walls, roofs and other building envelopes, and remarkable energy-saving benefits and market application prospects are achieved.

The invention belongs to the technical field of agricultural nano materials, and particularly relates to a metal-loaded phosphorus-doped carbon quantum dot as well as a preparation method and application thereof. The preparation method provided by the invention comprises the following steps: mixing citric acid, a phytic acid aqueous solution, an amine substance, water and soluble metal salt, and carrying out chelation adsorption to obtain a polymer quantum dot mixed solution containing metal ions; and carrying out hydrothermal reaction on the polymer quantum dot mixed solution to obtain the metal-loaded phosphorus-doped carbon quantum dots. The metal-loaded phosphorus-doped carbon quantum dots obtained by the preparation method provided by the invention are high in metal loading capacity, high in coordination stability, excellent in stability in soil with different pH values, and environment-friendly.

The invention relates to the technical field of aerogel, and provides a super-hydrophobic flexible aerogel heat insulation film as well as a preparation method and application thereof. The aerogel film comprises aerogel particles subjected to hydrophobic modification treatment and an in-situ fiberized fiber binder, the aerogel particles subjected to hydrophobic modification treatment are wound and anchored by a three-dimensional network structure formed by the in-situ fiberized fiber binder. The aerogel particles subjected to hydrophobic modification treatment and the fiber binder are used as raw materials, a specific process is adopted for processing, a fiber three-dimensional network anchored aerogel particle composite structure is constructed, the problem of aerogel brittleness and the process problem of uniform fibrosis of the fiber binder are solved, and the fiber three-dimensional network anchored aerogel particle composite structure is obtained. The preparation of the aerogel film with excellent comprehensive performance is realized.

This invention discloses a permeable high-strength sidewalk paving slab based on coal gangue. The paving slab is made from the following raw materials in parts by weight: 80-95 parts coal gangue aggregate and 5-20 parts polyurethane adhesive. The particle size of the coal gangue aggregate is 5mm-20mm, of which the weight percentage of particles smaller than 10mm is 30%-50%. Furthermore, this invention also discloses a method for preparing the sidewalk paving slab, which involves crushing, screening, washing, and drying the coal gangue, then loading it into a mold, vibrating to compact it, spraying with polyurethane adhesive, curing at room temperature, and then demolding. The coal gangue-based permeable high-strength sidewalk paving slab of this invention requires no sintering, has a simple process, is low-carbon and environmentally friendly, has a compressive strength of not less than 30MPa, a flexural strength of not less than 5MPa, and a porosity of 15%-25%. It combines high strength and high permeability, can absorb large quantities of coal gangue solid waste, and is suitable for municipal roads, squares, and landscape paving, offering good economic and environmental benefits.

The utility model is suitable for silicon carbide membrane filtration technical field provides a kind of agentless self-flocculation silicon carbide membrane filtration device, it include: fixed seat, the fixed seat is equipped with reaction mechanism and water production tank;The reaction mechanism includes the reaction pool of being fixed on the fixed seat, the one side of the reaction pool is equipped with ladder, one end of the reaction pool is equipped with power supply, the power supply is connected and is equipped with electrode, the one side of the reaction pool is equipped with control electric box, the inside of the reaction pool is equipped with membrane box group, the outside of the reaction pool adjacent the membrane box group is equipped with driving assembly, the top of the reaction pool is equipped with mud scraping assembly, the bottom of the reaction pool is equipped with a plurality of groups of first discharge pipeline, by this, the utility model has the advantages that reagent dosage is less, sludge production is low;High degree of automation, convenient operation;Equipment integration degree is high, and floor area is small;Processing effect is more optimal, and special water quality is suitable;Environment-friendly strong advantage.

A highly efficient method for recycling waste crystalline silicon solar cells includes the following steps: S1, placing the waste crystalline silicon solar cells in a mixed solution of phosphate and ammonium fluoride to react, dissolving the aluminum back surface and initially etching the silicon nitride layer, causing the silver grid lines to detach, resulting in solid-liquid separation of the silver grid lines and a filter cake; S2, continuing to immerse the filter cake in the mixed solution from step S1 to completely etch the silicon nitride layer, obtaining a silicon wafer; S3, immersing the silicon wafer in a sodium hydroxide solution to remove the surface oxide layer, cleaning, and drying to obtain a high-purity silicon wafer. This invention achieves highly efficient separation of silver and aluminum grid lines from the silicon wafer and precise removal of silicon nitride and oxide layers through a stepwise chemical etching strategy, achieving a total silicon wafer recovery rate of over 96%. The process is short, simple to operate, and has low reagent costs, effectively solving the pollution problem of waste crystalline silicon solar cells, demonstrating significant environmental benefits and economic value, and is easy to scale up and apply.

The application discloses a kind of water-based dispersant and preparation method thereof, belong to pigment dispersant technical field.The water-based dispersant is random copolymer obtained by radical copolymerization of maleic acid mono-aromatic ester intermediate and hydrophilic polymerizable monomer, and hydrophilic carboxyl group and hydrophobic benzyl side chain or phenylethyl side chain are distributed in the side group of its molecular main chain.The dispersant is prepared by esterification, neutralization and water phase copolymerization three-step reaction, the preparation process of the application is green and environmentally friendly, no organic solvent residue, the obtained dispersant realizes pigment anchoring through the π-π conjugation of hydrophobic side chain, and the hydrophilic carboxylate group realizes electrostatic stabilization, and the double synergistic effect significantly improves dispersibility and storage stability, especially suitable for phthalocyanine blue and other aromatic ring-containing pigments dispersion, and can be widely applied in the field of paint, ink and the like.

This invention relates to the field of zeolite molecular sieve production technology, specifically a method for in-situ crystallization synthesis of zeolite molecular sieves from solid waste coal gangue. The steps are as follows: Coal gangue is calcined at 600-800℃ for 1-5 hours to obtain calcined coal gangue; it is mixed with acid and water at a ratio of 1:(0.1-0.5):(4-8), reacted at 65-95℃ for 1-5 hours, and the pH is adjusted to 7-10 with alkali. After aging, it is filtered, washed, and dried to obtain activated coal gangue; the activated coal gangue is mixed with externally sourced materials, template agent, solid seed crystals (crystallinity ≥85%), and water in a specific ratio, crystallized at 100-200℃ for 24-72 hours, and calcined to obtain SAPO-34, SSZ-13, or AlPO. 4 -5. Adding ammonium salts via ion exchange can produce MTO catalysts. This invention improves the crystallinity of molecular sieves, resulting in a methanol conversion rate of ≥96% for the MTO catalyst, enabling the resource utilization of coal gangue, reducing costs, and providing a versatile process suitable for industrial application.

The application discloses a preparation method of 3,4,5,6-tetrahydrophthalic anhydride by catalytic isomerization, and nitrogen-doped porous carbon is prepared by carbonizing melamine sponge, the nickel is loaded by cooperating with wetting of a surfactant and ultrasonic cavitation, and the loaded nickel catalyst is obtained by roasting and reduction. 1,2,3,6-tetrahydrophthalic anhydride is heated and refluxed in an organic solvent and catalyst to isomerize, the catalyst is recovered by filtration, and the product is obtained by cooling and crystallizing the filtrate. The method utilizes the through macroporous structure to eliminate the mass transfer resistance, and the nitrogen-anchored nickel prevents agglomeration, so that the catalyst is low in cost, recyclable and free of waste water.

This invention belongs to the field of wastewater treatment technology, specifically relating to a heavy metal scavenging agent modified with boric acid-hydroxyoxime groups, its preparation method, and its application. The boric acid-hydroxyoxime group-modified heavy metal scavenging agent comprises a three-dimensional network structure formed by the dehydration condensation bridging of polyaluminum chloride and boric acid, and hydrogen-bonded hydroxamic acid groups. This invention uses polyaluminum chloride (PAC) as the main framework, forming Al-O-B boron-oxygen covalent bonds through the dehydration condensation of boric acid and the hydroxyl groups of PAC, bridging the oligomeric PAC into a stable three-dimensional network polymer structure, thus enhancing its adsorption bridging ability. Then, it adsorbs acetylhydroxamic acid onto the boron-bridged PAC framework through a multiple hydrogen bond network, constructing a heavy metal scavenging agent with flocculation, adsorption, and chelation functions. The heavy metal scavenging agent of this invention has a stable structure, can be reused multiple times, and has high heavy metal capture efficiency.

The invention discloses a method for co-producing hydrogen-rich synthesis gas and a hard carbon material through biomass transient high-temperature gasification, and belongs to the technical field of biomass resource utilization and electrochemical energy storage materials. The method comprises the following steps: mixing a biomass raw material, a conductive additive and water according to a specific mass ratio, and carrying out ball milling and high-pressure molding to obtain a low-resistivity conductive blank; in a vacuum environment, through primary Joule heating, the green body is transiently heated until gasification is completed, and hydrogen-rich synthesis gas and primary porous carbon are synchronously collected; and mixing and molding the primary porous carbon and a binder, and carrying out secondary Joule heating until carbonization and hole sealing to obtain the hard carbon material. Through precise regulation and control of the two-step Joule heating process, synergistic efficient conversion of the biomass to the hydrogen-rich synthesis gas and the hard carbon material is achieved, and the method has the advantages of being high in reaction rate, high in energy efficiency, free of chemical additives, high in product value and the like and is suitable for large-scale industrial application.

This invention provides a biocompatible β This invention relates to a method for composite modification of titanium alloy surfaces, belonging to the technical field of alloy modification methods. The invention includes applications in medical... β This invention involves introducing bioactive particles onto the surface of a titanium alloy substrate, performing friction stir processing (FSP) on the substrate to introduce bioactive particles and construct a gradient grain structure, and then subjecting the FSP-treated substrate to compressed plasma flow (CPF) treatment to achieve uniform distribution of bioactive particles and construct a topology with an average surface roughness of 3-6 μm suitable for cell growth. The invention precisely controls the amount of bioactive particles introduced and constructs a gradient grain structure through friction stir processing (FSP); simultaneously, compressed plasma flow (CPF) technology achieves uniform distribution of bioactive particles and an ideal surface roughness of 3-6 μm on the titanium alloy surface. Ultimately, this significantly improves the cell adhesion, proliferation capacity, and osteogenic properties of the material surface, solving the technical problem of low integration efficiency of traditional titanium alloy implants with human bone tissue.

The present application relates to the technical fields of agricultural greenhouse heating, and discloses a compact intelligent heating system for greenhouse, comprising an outdoor energy collection end, an indoor energy storage and heat transfer end, and a temperature control execution and control end. The present application uses flexible monocrystalline silicon photovoltaic panels with small aluminum alloy supports, which are installed on the top edge or side of the greenhouse to avoid blocking the plastic film and ensure sufficient light for crops. With solar energy as the core energy, the system integrates photothermal and photovoltaic collection, phase change heat storage, and lithium battery storage, efficiently converts and stores energy, reduces dependence on traditional energy, and has low operating costs and no pollution. The temperature sensor monitors the greenhouse temperature in real time, and the intelligent temperature control host automatically switches between three heating modes to maintain stable greenhouse temperature throughout the day, avoiding fluctuations that affect crop growth. The system integrates energy collection, heat storage, temperature control execution, and control functions, and has a compact component layout that does not occupy planting space, making it suitable for small-area greenhouses and easy to install and maintain.

The invention relates to the field of natural medicinal chemistry, and particularly discloses a preparation method of a high-purity saikosaponin extract. The method comprises the following steps: by taking a radix bupleuri medicinal material as a raw material, carrying out raw material pretreatment, ultrasonic-assisted gradient solvent extraction, water precipitation-decoloration combined preliminary purification, specific macroporous adsorption resin dynamic purification, precise drying and the like, and optimizing the extraction solvent concentration (70-85% ethanol), ultrasonic parameters (300-600W, 40-80min) and resin elution gradient (water-> 30% ethanol-> 70-85% ethanol), so as to obtain the radix bupleuri extract. The extraction efficiency and the purity are obviously improved. The total saponin content (in terms of saikosaponin a) in the obtained extract is greater than or equal to 60%, and the total content of saikosaponin a and saikosaponin d is greater than or equal to 40% and can reach 85% or above at most. The method is simple and convenient in process and low in energy consumption, the solvent can be recycled, and the problems of insufficient purity, poor target component selectivity and high industrialization difficulty of a traditional method are solved.

This invention belongs to the field of ketoxime synthesis technology and provides a method for synthesizing 3-pentanone oxime. The method uses 3-pentanone, hydrogen peroxide, and ammonia as raw materials, adds a catalyst, and reacts in a closed system. After the reaction, the mixture is filtered and distilled under reduced pressure to obtain 3-pentanone oxime. The catalyst is a fluorine-modified Ti-MOR molecular sieve, obtained by reacting the Ti-MOR molecular sieve with an NH4F-alcohol solution. The method provided by this invention features high yield, high purity, and low waste, with a single-pass yield ≥96% and purity ≥99.0%. The catalyst can be recycled up to 6 times without significant activity decline. The entire process involves no organic solvent discharge and low salt content in the wastewater, meeting the requirements of green production.

This invention discloses an ethanol reforming hydrogen production device based on a photothermal-driven vapor phase reaction, comprising a shell, a support, a porous transport layer, a porous evaporation layer, and a porous catalyst layer. The porous transport layer is placed inside the shell, and the porous evaporation layer is placed on top of the porous transport layer. The support is located outside the porous transport layer and the porous evaporation layer, serving to support the porous catalyst layer and suspend it above the porous evaporation layer. The porous transport layer and the porous evaporation layer are made of SiO2, Ti4O7, and carbomer; the porous catalyst layer is made of SiO2, Ti4O7, carbomer, photothermal material Fe2O3, and catalyst Pt. This invention utilizes the photothermal effect of solar energy to locally generate heat at the reaction site, resulting in high hydrogen production, high product selectivity, and no CO2 emissions, making it suitable for efficient and green industrial hydrogen production.

This invention discloses a method and system for preventing oxidation of recycled copper rods, relating to the field of non-ferrous metal surface protection. The method includes material preparation, pretreatment, preparation of an anti-oxidation solution, dip coating, drying and curing, and packaging. This invention offers excellent anti-oxidation performance: the anti-oxidation film is dense and uniform, effectively isolating oxygen and moisture from contact with the copper surface. Recycled copper rods stored in a natural environment show no significant oxidation after more than 6 months, with an anti-oxidation efficiency ≥98%, far superior to traditional methods. The film exhibits strong adhesion: the silane coupling agent forms a chemical bond with the copper surface, and combined with the curing treatment, the film adhesion is ≥5N / cm, making it difficult to peel off and able to withstand minor friction during storage and transportation.

The application discloses white carbon black and a preparation method and application thereof, and the preparation method comprises the following steps: S1, silicon source pretreatment: mixing rice husk ash and a sodium hydroxide solution, reacting under the assistance of microwaves, adding a composite impurity removing agent for deep purification after filtration, and obtaining refined water glass solution; S2, modified precursor preparation: adding a composite modifier into the refined water glass solution, and obtaining a modified precursor solution; S3, high-pressure spray carbonization: atomizing the precursor solution, and reacting with mixed gas of CO2 and N2 in a high-pressure spray reaction tower to generate white carbon black slurry; S4, post-treatment: after washing and grinding, the white carbon black slurry is spray dried to obtain a finished product; and S5, waste liquid circulation: reacting the washing waste liquid with limestone, and recycling the alkali liquor for the step S1. The application realizes the recycling of waste resources; the product has high activation degree and excellent dispersibility, is applied to rubber reinforcement, improves processing performance, significantly enhances mechanical properties such as tensile strength, and has a good industrial application prospect.

The application relates to a zero-carbon seawater desalination and salt extraction system, which comprises a wind-solar dual-energy tower, a membrane seawater desalination system, a solar dual-heat disc evaporator and a wind-solar dual-energy sea salt drying system. The wind-solar dual-energy tower comprises a double-bearing truss type wind power generation system and a photovoltaic power generation system, and the wind power generation system and the photovoltaic power generation system are used for providing electric energy. The double-bearing truss type wind power generation system adopts a wind-variable current load and a spring type strong wind variable resistance system. The wind-solar dual-energy sea salt drying system comprises a sunlight room, a drying cloth curtain and a salt collection and water filtration circulation system, which are used for further drying and crystallizing the heated secondary separation and concentration concentrated salt water to form refined sea salt through drying or air drying. The application can realize seawater desalination and refined sea salt extraction all day long by using clean energy, and the clean energy is used for heating three times, so that the energy utilization efficiency is high. The application has no direct operation cost, small land occupation, high efficiency, low initial investment cost and easy scaling.

This invention belongs to the field of mechanical technology for drilling engineering circulation systems, specifically relating to a device and method for measuring the distribution of cuttings within a wellbore. The invention includes a hose support, a simulated wellbore unit, an inclination adjustment device, a drilling fluid tank, a power circulation mechanism, a stirring motor, and a control terminal. By calibrating the device for measuring the distribution of cuttings within the wellbore, this invention verifies the consistency and repeatability of its channels, ensuring the accuracy of system data acquisition. The device in this invention is a closed system, producing no pollution and no harmful emissions. This invention automatically measures the distribution and movement of cuttings in the annular space under conditions where visible light cannot penetrate, and can simultaneously measure the cuttings removal rate and the impact force of fluid flow on the wellbore. This invention can clearly define the distribution and flow state of cuttings in the annular space, allowing for adjustments to the drilling fluid formulation and performance, improving the efficiency of cuttings removal within the wellbore, and reducing drilling fluid costs.

This invention discloses a flotation recycling method for waste lithium-ion batteries that produces no fluorine and no carbon emissions. The method includes: subjecting a mixture of positive and negative electrodes from waste lithium-ion batteries to low-temperature treatment, causing the surface binder to deform and exposing the surface of the positive electrode material particles; performing at least one of the following steps: adjusting the treated material to obtain a flotation slurry; sequentially adding an organic hydrophilic inhibitor, a collector, and a frother to the flotation slurry for flotation to obtain sediment; adjusting the sediment, adding the collector and frother, and performing flotation again to obtain ternary lithium concentrate. This invention utilizes low-temperature treatment to shrink and deform the organic film on the surface of the positive electrode material particles, exposing the particles and amplifying the hydrophilicity / hydrophobicity difference between the positive electrode material and graphite. The organic hydrophilic inhibitor binds to the hydrophilic surface of the positive electrode material particles, inhibiting the floating of the positive electrode material, thereby enhancing the flotation separation effect.

The invention discloses a preparation method for preparing methoxyamine hydrochloride by using 2, 3-butanedione, which comprises the following steps: S1, adding 2, 3-butanedione and hydroxylamine hydrochloride into water, and carrying out oximation reaction under the action of alkali to prepare 2, 3-butanedioxime; s2, 2, 3-dimethylglyoxime and dimethyl sulfate are subjected to a methylation reaction, 2, 3-bis (methoxyimino) butane is prepared, and in the reaction process, alkali liquor is adopted to control the pH of a reaction system to be 7-9; s3, the 2, 3-bis (methoxyimino) butane is subjected to an acidolysis reaction, and methoxyamine hydrochloride is prepared. According to the method, 2, 3-butanedione and hydroxylamine hydrochloride are taken as raw materials, so that the conversion rate of methylation reaction is increased, the generation of polymethylation impurities (O, N-dimethyl hydroxylamine hydrochloride) is reduced, the yield is relatively high, meanwhile, the reaction condition is mild, the operation is simple, synthesis is easy, the byproduct 2, 3-butanedione can be recycled, the material utilization rate is high, and the method is suitable for industrial production. And the cost and the energy consumption can be reduced.

This application discloses a method for preparing L-shaped conductive foam shielding material based on a roll-to-roll continuous welding process. When the bottom conductive foam shielding material and the side conductive foam shielding materials on both sides pass through an ultrasonic roll welding mechanism, the side conductive foam shielding materials on both sides are welded to the upper sides of the bottom conductive foam shielding material. When the welded bottom conductive foam shielding material and the side conductive foam shielding materials on both sides pass through a cooling mechanism, the cooling mechanism cools the bottom conductive foam shielding material and the side conductive foam shielding materials on both sides. When the cooled bottom conductive foam shielding material and the side conductive foam shielding materials on both sides pass through a slitting and punching mechanism, the slitting and punching mechanism cuts the bottom conductive foam shielding material and the side conductive foam shielding materials on both sides into two L-shaped conductive foam shielding materials. This application significantly reduces material waste and improves work efficiency.

The utility model relates to an environmental protection type high pressure pulse line explosion type selective crushing device, include: pressure increasing device, energy storage device and discharge device, pressure increasing device is equipped with AC transformer, and energy storage device and discharge device are connected with AC transformer, discharge device includes control unit and electrode system that are connected in proper order in series, and control unit and electrode system all are connected with energy storage device, the utility model has the beneficial effect that: electrode top is hemispherical or conical, reduces the local concentration of electric field, prevents early breakdown, through electrode insulation design and sealing system, effectively prevent electrode from being eroded by vaporized metal wire, prolongs the service life of equipment, and simultaneously operating process is no dust, low noise, no harmful gas emission, accords with environmental protection requirement.

The utility model discloses lighting equipment for trapping pests through lamplight in a garden, and relates to the technical field of pest trapping equipment, the lighting equipment comprises a supporting column and a trapping mechanism, the upper side of the supporting column is provided with the trapping mechanism, the trapping mechanism comprises supporting assemblies arranged on the upper side and the lower side of the supporting column, and the upper sides of the supporting assemblies are provided with pest killing assemblies; through the arrangement of the electric power storage assembly, when the device is not suitable for being placed on the ground in a garden, the device can be hung through the hanging ring, when pests are trapped, the solar panel converts solar energy into electric energy and stores the electric energy into the storage battery, after dark, the storage battery supplies power to the lighting lamp and the pest killing net, and the lighting lamp attracts the pests; the pest killing net kills pests through small current electric shock, solar energy is used for power generation, the problem that electric wires are inconvenient to pull in a garden can be solved, the solar energy is used as an energy source, the devices do not generate extra carbon emission in the operation process, and the green and environment-friendly development trend is met.