21results about How to "Create pollution" patented technology

The invention discloses a glass fiber reinforced PVC cable protection tube extrusion molding machine head and a molding method, and relates to the technical field of extrudes.The glass fiber reinforced PVC cable protection tube extrusion molding machine head comprises a first shell, a core rod and a second shell, the core rod is installed on the inner side of the first shell, embedding rods are symmetrically installed at the top and the bottom of the first shell, and the second shell is located on the outer side of the core rod; and embedded connection mechanisms are symmetrically arranged at the top and the bottom of the shell II. When plastic in the first shell and the second shell needs to be cleaned, a connecting rod is pulled upwards to drive an inserting rod to move upwards, so that the inserting rod is pulled out of an embedding hole in an embedding rod, the embedding rod is conveniently pulled out of an embedding frame, the first shell and the second shell are separated, and the cleaning efficiency is improved. Plastic in the first shell and the second shell can be conveniently cleaned and recycled, waste caused by long-time carbonization of the plastic in the first shell and the second shell at the high temperature is avoided, and meanwhile pollution to materials heated and extruded next time due to the fact that carbonized plastic is not cleaned is also avoided.

The fresh milk filtering device comprises a fresh milk barrel, a mounting frame is placed in the fresh milk barrel, a supporting net is fixedly connected to the bottom of the inner wall of the mounting frame, a filtering pad is placed on the upper surface of the supporting net and located in the mounting frame, and a viewing opening penetrating through the fresh milk barrel is formed in the side wall of the fresh milk barrel; the viewing opening is located below the mounting frame, and a transparent protection plate is arranged in the viewing opening. According to the scheme, when the fresh milk barrel is used, fresh milk squeezed into the fresh milk barrel can be filtered in time through the filtering pad, when foreign matter such as hair enters the fresh milk barrel, the foreign matter such as the hair can be filtered in time through the filtering pad, meanwhile, people can conveniently find the falling foreign matter such as the hair, the people can replace the filtering pad in time, and the working efficiency is improved. The fresh milk in the fresh milk barrel is prevented from being polluted by foreign matters such as hair, so that the quality and sanitary condition of the fresh milk can be improved, and the fresh milk barrel is more beneficial to actual use.

This invention relates to a zero-residue multi-stage deflagration fracturing method and system, addressing the problems of existing deflagration fracturing devices, such as well-water pollution, failure to achieve the expected fracturing effect, and low efficiency. The multi-stage deflagration fracturing method includes: Step 1: Preparing the deflagration fracturing charge, central tube, and guide plug in the deflagration fracturing system using a combustible material that is soluble in chloride ions; Step 2: During operation of the deflagration fracturing system, a detonator ignites the central tube and the deflagration fracturing charge; Step 3: The central tube burns, the deflagration fracturing charge deflagrates, and the guide plug burns simultaneously, thus performing multi-stage deflagration fracturing; Step 4: After deflagration fracturing is completed, the residue from the central tube, deflagration fracturing charge, and guide plug falls into the well water, where it dissolves completely, achieving zero residue. To achieve the above method, this invention also proposes two zero-residue multi-stage deflagration fracturing systems.

The present invention provides a method for processing printed circuit boards, comprising: preparing an acidic oxidizing agent solution, wherein the acidic oxidizing agent solution comprises ferrous oxide, nitric acid, and hydrochloric acid; placing the printed circuit board in the acidic oxidizing agent solution and controlling the immersion temperature and immersion time; and removing the printed circuit board and cleaning it. This processing method is highly efficient and effective, reducing surface corrosion and environmental pollution.

The application discloses an automatic cleaning device for ship anchor chain, which comprises a main frame and a self-collection cleaning mechanism. A clamping assembly for positioning and fixing is fixedly installed on the lower section of the longitudinal guide rod in the auxiliary frame, and a clamping assembly for positioning and fixing is slidably connected to the upper section of the longitudinal guide rod, and the two clamping assemblies are driven to move on the anchor chain in a peristaltic mode. Angle-adjustable screw propulsion assemblies are installed on the left and right frame bodies of the annular carrier in the clamping assembly, and are driven to move underwater. The self-collection cleaning mechanism is movably arranged in the frame of the main frame, and is rotated to clean the anchor chain. The automatic cleaning device for ship anchor chain is provided in a closed mode, so that the cleaning objects are prevented from being dispersed in seawater, the cleaning objects are concentrated and collected, the cleaned anchor chain is prevented from being newly polluted, and the cleaning device itself is prevented from being interfered.

This invention relates to a compound microbial agent for promoting disease resistance and yield increase in chili peppers and its application. The strains in the compound microbial agent for promoting disease resistance and yield increase in chili peppers consist of Bacillus coagulans BC66, Lactobacillus plantarum LP194, and Bacillus polymyxa FangSG106. Studies have found that these three strains work synergistically to improve the resistance of chili peppers to root rot and increase chili pepper yield. This provides a new strategy for controlling chili pepper root rot and increasing chili pepper yield, solving the problems of poor efficacy and insignificant yield increase of commercially available products. As a microbial preparation, this agent has natural components, leaves no pesticide residue after use, and will not pollute the soil, water sources, or ecological environment. It also avoids the problem of pathogen resistance caused by chemical pesticides, conforming to the concepts of green agriculture and sustainable development, and is of great significance for ensuring the quality and safety of agricultural products.

The utility model belongs to packaging material technical field relates to a kind of based on aluminized composite film of polylactic acid interlayer, and the aluminized composite film is composed of the aluminium foil, polylactic acid interlayer and polymer film of laminated arrangement;Among them, the polylactic acid interlayer is completely degraded into carbon dioxide and water in recycling process.The utility model introduces the polylactic acid interlayer of easy degradation between aluminium foil and polymer film, and it is completely degraded into carbon dioxide and water in recycling process, and the separation difficulty and recovery cost of aluminium foil and polymer film are reduced sufficiently.

The utility model discloses a kind of equipment for ruthenium trichloride drying, belong to ruthenium trichloride processing equipment technical field. Including sandwich kettle body, temperature control heater, nitrogen purging unit, cryogenic trapping unit and discharge unit, the kettle cover is provided at the top of the sandwich kettle body, and the inside of the sandwich kettle body is rotationally provided with dispersion paddle;The dispersion paddle is connected with the stirring motor of kettle cover top;The bottom of the sandwich kettle body is provided with gate valve;Temperature control heater is set in the sandwich inside of sandwich kettle body;Nitrogen purging pipeline is installed on the inside upper portion of the inner bag of the sandwich kettle body;The nitrogen purging pipeline is connected to nitrogen pressure gas source;The cryogenic trapping unit includes the exhaust pipe connected with the inside upper portion of the inner bag of sandwich kettle body, and the exhaust pipe is connected to exhaust pump;The equipment for ruthenium trichloride drying of the utility model can ensure the drying quality of ruthenium trichloride, and can avoid material loss and cause surrounding environmental pollution.

The utility model discloses a kind of rubber shoes glue spraying devices, including support seat, rubber pipe, glue spraying head and pump body, rotating fixed component is set in the middle of support seat upper end, rotating fixed component is used to limit and drive rubber shoes to rotate glue spraying, the protective cover is set in the left and right ends of support seat, and protective cover moves left and right on the outside of support seat upper end, and protective cover is covered in the outside of rubber shoes in glue spraying process, the upper end of support seat is fixedly connected with fixed plate. The rubber shoes glue spraying device, by the setting of rotating fixed component, the shoe that can be glued can be fixed, and shoe is driven to rotate in glue spraying process, so as to reach more uniform glue spraying effect, protective cover is covered in the outside of shoe when glue spraying, can effectively prevent glue liquid splashing to surrounding environment Pollution, waste liquid can be collected by the cavity inside support seat.

This utility model discloses a stock solution injection pump, including a pump housing, a drive mechanism, and a pump piston. The pump housing has a pump inlet and a pump outlet. The pump piston is driven by the drive mechanism to move up and down in the pump housing. It also includes a limit detection mechanism, which includes an upper limit detection sensor, a lower limit detection sensor, and a detection strip. The detection strip moves up and down synchronously with the pump piston and cooperates with the upper and lower limit detection sensors. This utility model has the advantages of simple structure, good liquid flow rate accuracy control, and improved working reliability.

This utility model relates to a rotating brush head and a photovoltaic panel cleaning device, comprising: a rotating disk, a cleaning disk, and brush bristles. The cleaning disk is located at the lower center of the rotating disk and is fixed to the rotating disk. The brush bristles are fixedly connected to the rotating disk, and multiple clusters of brush bristles are arranged circumferentially around the axis of the rotating disk and surround the cleaning disk. This utility model uses the brush bristles and the cleaning disk in combination. The brush bristles first pre-treat the dirt, breaking it down and thinning it, and then the cleaning disk polishes it. The combination of the two results in less dirt on the surface of the photovoltaic panel after cleaning, improving the cleaning effect. The cleaning disk is detachable from the rotating disk, and can be removed and replaced when it becomes dirty, avoiding contamination of the photovoltaic panel surface by a dirty cleaning disk, and also facilitating the cleaning of the cleaning disk.

The utility model belongs to the field of dust removal equipment, and particularly relates to a dust removal device convenient to clean for preparing a compound additive, which comprises a reaction kettle, a support is fixedly connected to the side wall of the reaction kettle, a dust removal box is mounted on the support, one side of the dust removal box is communicated with the reaction kettle through a guide pipe, and a negative pressure machine is mounted on the other side of the dust removal box; and the mounting grooves are formed in the upper side and the lower side of the inner wall of the dust removal box, first elastic rods are fixed to the inner walls of the mounting grooves, the free ends of the first elastic rods are fixedly connected with mounting frames, and filter screens are detachably mounted in the mounting frames. Through mutual cooperation of structures such as the missing gear, the rack, the first elastic rod and the second elastic rod, the rack can be driven to impact the mounting frame, so that the filter screen vibrates, the rack is driven in this way to impact the mounting frame in a reciprocating mode, dust adhering to the surface of the filter screen can be cleaned, the dust falls into the dust collecting cavity, and the dust collecting efficiency is improved. And later secondary utilization is facilitated.

The present application belongs to the field of microorganisms, and relates to a strain for preventing and treating corn small spot, a bacterial agent and application thereof. The strain for preventing and treating corn small spot is bacillus velezensis A122, which can resist salt and alkali, and has a good inhibitory effect on dicladiodendron commixtum. The strain for preventing and treating corn small spot has a strong ability to produce cellulase, amylase, protease and indole-3-acetic acid (IAA), and has a good growth promoting effect on corn. The bacterial agent prepared by using the biocontrol bacteria does not pollute the ecological environment and cause pollution during use. The biocontrol bacteria can reduce the use amount of other chemical pesticides, reduce the prevention and control cost of corn diseases, promote the growth of corn, and has good popularization value.

The application provides a degradable waterproof heat-insulating antibacterial lunch box and a preparation method thereof, and relates to the field of lunch boxes. Raw materials are as follows in terms of weight parts: 20-30 parts of wheat straw, 20-30 parts of corn straw, 10-20 parts of reed, 10-20 parts of cork, and 5-10 parts of starch glue. The degradable waterproof heat-insulating antibacterial lunch box uses wheat straw, corn straw, reed, cork and starch glue as raw materials, can achieve the functions of waterproofing, degradability, heat preservation and antibiosis under the premise of ensuring normal use strength, and will not cause environmental pollution. The cork not only brings good waterproof effect to the lunch box, but also effectively isolates external temperature and maintains the temperature of food due to its unique structure. The reed and the cork also have natural antibacterial and mildew-proof effects, and can effectively maintain the freshness and health safety of food.

The application provides a preparation method of a DOPO modified triazine-based covalent organic framework flame retardant and application thereof, and the preparation method of the flame retardant comprises the following steps: preparing a triazine-based covalent organic framework; and chemically modifying the triazine-based covalent organic framework with DOPO to obtain a DOPO modified triazine-based covalent organic framework flame retardant. The triazine-based covalent organic framework material is chemically modified on the surface by DOPO, and is used as an epoxy resin organic filler to be cured to obtain a green halogen-free environmentally-friendly flame-retardant epoxy resin. The epoxy resin does not cause environmental pollution during thermal cracking or combustion, and is conducive to environmental protection and sustainable development. The epoxy resin has excellent flame-retardant performance, greatly reduces the release of heat, smoke and harmful gases in the combustion process of the epoxy resin, and greatly enhances the fire safety of the epoxy resin.

The application discloses a kind of ZIF-8 nanoparticle loaded cellulose barrier membrane and preparation method thereof, comprising the following steps: (1) TOCNF suspension gel is diluted into TOCNF suspension by deionized water, to obtain nanocellulose suspension solution A;(2) zinc nitrate hexahydrate is added in solution A to obtain solution B;(3) polyvinylpyrrolidone is added in solution B to obtain solution C;(4) 2-methylimidazole is added in solution C to obtain solution D;(5) solution D is placed in mold by vacuum filtration device to form a wet film, the wet film is removed, and the wet film is clamped between two pieces of acrylic plate, dried in vacuum drying oven, to obtain ZIF-8 nanoparticle loaded cellulose barrier membrane.The application selects TOCNF as the template for ZIF-8 growth, TOCNF as the template for ZIF-8 in-situ growth, which can effectively prevent them from forming aggregates, and load ZIF-8 nanoparticles through in-situ + non-in-situ method to improve the hydrophobicity, thermal stability and ultraviolet shielding property of TOCNF membrane.

The invention belongs to the field of polyolefin preparation, and relates to a preparation method of a polyolefin material with low dissolved matter and low ash content. The method comprises the following steps: (1) adding a polyolefin resin raw material and a fatty ester solvent into an extraction kettle of a supercritical extraction device, introducing a gas medium into the extraction kettle, adjusting the temperature and pressure of the extraction kettle to enable the gas medium to be in a supercritical state, and treating the polyolefin resin raw material in supercritical fluid; the fatty ester solvent is at least one of fatty ester solvents of C2-C10; and (2) cooling and decompressing to separate the polyolefin resin raw material from the solvent, and drying to obtain the polyolefin material with low dissolved matter and low ash content. The method provided by the invention avoids the problems of complex solvent recovery and high difficulty in removal of the high-boiling-point chelating agent in the traditional deliming process, and the used fatty ester solvent can be easily removed without causing pollution to the polyolefin resin.

The utility model relates to the technical field of fabric detection, in particular to a wear-resistant fabric and inspection equipment, which comprises an operating platform, a connecting and positioning mechanism, a connecting mechanism, a clamping and polishing mechanism and a bottom stabilizing mechanism, the clamping and grinding mechanism is fixedly connected to the edge of the top of the operation platform. According to the fabric fixing device, fabric of different sizes can be fixed through the arrangement of the positioning plate and the fabric rolling shaft, the position of the movable connecting plate can be fixed through the bolts, the fabric can be better fixed, and the friction force between the fabric and the positioning plate is increased through the rubber soft cushion at the bottom of the positioning plate; according to the fabric detection device, the fabric can be prevented from shifting in the detection process, the accuracy of the detection result is ensured, the limiting effect of the fabric rolling shaft is matched, the fabric rolling shaft is effectively prevented from rolling down in the detection process, and pollution to the fabric can be avoided.

The utility model discloses a kind of frame column pressure-bearing capacity testing devices under low temperature state, belong to cold region frame column compression performance test technical field;Including test box, test box outside is provided with the air conditioning unit that can provide suitable temperature for test box, and test box inside slidingly is provided with the pressure plate that can pressurize frame column assembly;For placing frame column assembly's placing cylinder is located in test box, recess is opened in placing cylinder, and pressure plate below is fixedly connected with the protective cover that can be inserted recess and make placing cylinder be in closed state;Pressure plate is provided with the dust fall spray head of several in protective cover. By being set through placing cylinder, protective cover below pressure plate forms sealed space, can greatly reduce the pollution and damage of dust and fragment to test box inner wall when crumbling, dust fall spray head is simultaneously set in pressure plate, can play the role of quick dust fall.

The invention discloses an environment-friendly degradable food packaging material and a preparation method thereof, and relates to the technical field of packaging materials, the material comprises the following components by weight: 55%-65% of polylactic acid; 25% to 30% of modified starch; 5% to 10% of pretreated natural plant fibers; 1% to 3% of a biodegradation accelerator comprising a specific enzyme; a novel bio-based plasticizer derived from vegetable oil: 1% to 5%; nano silver particles: 0.01% to 0.5%; a natural antioxidant; nano-scale titanium dioxide; according to the technical scheme, the antibacterial packaging material can be decomposed in the natural environment and cannot pollute the environment, then nano-silver particles are added into the material, the packaging material is endowed with the excellent antibacterial performance, meanwhile, due to introduction of nanoscale titanium dioxide, the photocatalytic performance of the material is enhanced, and the photocatalytic performance of the packaging material is improved. The antibacterial effect can be improved, and the food safety is further guaranteed.

This invention discloses a PHA water-based water-blocking coated pulp molded seedling pot containing inorganic fillers and blended polymers, and its preparation method, belonging to the technical fields of seedling containers, pulp molding, and water-based water-blocking coatings. This invention uses polyhydroxyalkanoates combined with sheet-like inorganic fillers to construct a dense water-based barrier layer and innovatively designs a sidewall drainage channel connecting to the bottom. Through a differentiated coating structure, this invention breaks the deadlock between moisture softening during the seedling stage and limited root penetration after transplanting, achieving a precise balance between excellent wet strength and free root growth. This solution eliminates fluorine-containing additives, ensuring the product's biodegradability throughout its entire life cycle.