35results about How to "Quick destruction" patented technology

The utility model discloses a cosmetic anti-counterfeit label which comprises a bin body, first adhesion plates are symmetrically arranged on the two sides of one end of the bin body, a bottom plate is arranged at one ends of the two first adhesion plates, a second adhesion plate is arranged at one end of the bottom plate, an automatic needle inserting assembly is arranged in the bin body, and a liquid storage bag is arranged at one end in the bin body. An anti-counterfeit label printing plate is arranged at one end of the bin body; through the cooperation of the first rack, the outer sleeve, the second rack, the gear, the through hole, the anti-counterfeit label printing plate and the liquid storage bag, a consumer can quickly destroy the label by himself / herself after using cosmetics, so that the situation that the label of the cosmetics is reused is prevented, and the use safety of the consumer is improved. And if illegal merchants forcibly pull the label to recycle the label, ink in the liquid storage bag can directly dip-dye the label, so that the label is damaged and cannot be secondarily utilized, and the anti-counterfeiting safety is improved.

The invention belongs to the technical field of tailing treatment in the papermaking process, and particularly relates to a papermaking process tailing treatment device which comprises a crushing device, the crushing device further comprises a crushing disc, an outer protection plate B is fixedly mounted on the crushing disc, and an outer protection plate A is fixedly mounted on the upper side of the outer protection plate B; an air cylinder mounting device is fixedly mounted in the outer protective plate A and the outer protective plate B. A crushing cutter device is fixedly mounted in the air cylinder mounting device, and a tailing collecting fence is fixedly mounted on the upper end face of the air cylinder mounting device. By arranging the crushing device, the metal and nonmetal separating device, the separating device and the suspended tailing collecting device, accurate and efficient screening of all components in the papermaking tailing treatment process is achieved. The modular design enables the equipment to flexibly meet different treatment requirements, all the modules can be freely combined according to specific conditions no matter large-batch or small-batch tailing treatment is conducted, and therefore it is guaranteed that the screening process is efficient and flexible.

The invention relates to a quaternary ammonium salt for a herbicide synergistic aid as well as a preparation method and application of the quaternary ammonium salt. As the quaternary ammonium salt has a great charge adsorption effect, the quaternary ammonium salt can be deposited on the surface of weeds, and when the quaternary ammonium salt is used in the herbicide synergistic aid, the effect of the aid can be greatly improved, the dosage of a herbicide is further reduced, and the herbicide synergistic effect is improved. The control effect and the lasting period are improved.

The invention provides a manual and automatic switching device of a valve electric actuator, which comprises a clutch rotating shaft, two transmission gears are coaxially connected onto the clutch rotating shaft, the two transmission gears are respectively in transmission connection with a manual module and an electric module, and a clutch wheel is arranged between the two transmission gears; the clutch wheel can axially move along the clutch rotating shaft, and when the clutch wheel axially moves to a limit position along the clutch rotating shaft, the clutch wheel can synchronously rotate with the two transmission gears respectively; the supporting column is arranged between the first transmission gear and the clutch wheel, when the supporting column is in a vertical posture, one end of the supporting column can abut against the first transmission gear, and the other end of the supporting column supports the clutch wheel to rotate synchronously with the second transmission gear; when the supporting column is in the lodging posture, the clutch wheel and the first transmission gear can rotate synchronously, and the supporting column is provided with a limiting column matched with the limiting flange. The posture of the supporting column is changed, so that the electric actuator is switched between a manual mode and an automatic mode, a pressure spring is omitted, and the electric actuating mechanism is simplified and is more convenient to mount.

The utility model relates to crude oil separation technical field, concretely relates to a crude oil high frequency demulsification separation device, include: feed system, feed system includes mixing tank, one side of feed system is provided with high frequency demulsification unit, high frequency demulsification unit includes demulsification tank, the top fixedly connected with high frequency power supply of demulsification tank, the inside of demulsification tank is provided with electrode plate, the other side of high frequency demulsification unit is provided with gravity separation unit, gravity separation unit includes gravity sedimentation tank, the inside even fixedly connected with a plurality of inclined plate of gravity sedimentation tank, the other side of gravity separation unit is provided with cyclone separation unit, and cyclone separation unit includes cyclone separator, through the setting of high frequency demulsification unit, gravity separation unit and cyclone separation unit, can quickly destroy crude oil emulsification structure, improve demulsification efficiency, combine gravity sedimentation and cyclone separation technology, realize the depth separation of crude oil, water and impurity, and further greatly improved the separation effect.

The invention belongs to the technical field of oil field chemicals, and provides a polyether modified polysiloxane composite defoaming agent in the petroleum industry and a preparation method thereof.The polyether modified polysiloxane composite defoaming agent in the petroleum industry comprises lipophilic polyether modified polysiloxane (LP-PMPS), an organic silicon defoaming active component, a platinum catalyst and optional hydrophobic silicon dioxide; lipophilic polyether modified polysiloxane is used as a compatilizer and a stabilizer, a polysiloxane main chain of the lipophilic polyether modified polysiloxane is compatible with an organic silicon defoaming active component, a polyether side chain with high PO content is anchored in mineral oil, and a chemical bonding and physical compounding combined composite network active phase is formed through a one-step in-situ reaction. Dispersing in a mineral oil continuous phase to form a uniform and stable system; the defoaming agent provided by the invention meets the Q / SY17001 and Q / SY16859 standards, has the advantages of rapid defoaming, lasting foam inhibition, excellent stability and wide system adaptability, is suitable for the whole process of drilling, extraction, refining and the like in the petroleum industry, and is simple and convenient in preparation process and easy for industrial production.

The invention discloses combined seed crystal separation equipment which comprises a support frame and a bracket, and further comprises a suspension unit mounted on the support frame and used for bearing a combination of a crucible cover and a seed crystal and suspending the combination; and the automatic knocking unit is mounted on the bracket and can automatically knock the upper end of the crucible cover. The equipment can automatically knock a combined body in a suspension state, is beneficial to rapid damage to a bonding interface, accelerates separation of seed crystals and a crucible cover, reduces the labor intensity and improves the working efficiency.

The utility model discloses a powder conveying system with an ash removal function, which belongs to the technical field of powder conveying and comprises a fly ash tank, a conveying pipeline and an ash bin, and the conveying pipeline is connected into an unloader of the fly ash tank and communicated with an inlet end at the top end of the ash bin; a blowing system is arranged on one side of the conveying pipeline and comprises an air compression tank and a ventilation pipeline communicated with the air compression tank, the ventilation pipeline is connected with a plurality of high-pressure air branch pipes, each high-pressure air branch pipe is connected into a conducting electric valve, and blowing pipes connected with the pipe wall of the conveying pipeline are arranged at the outlet ends of the high-pressure air branch pipes. The powder conveying system is provided with the purging system in a matched mode, in the powder conveying process or after blockage occurs, the purging system purges the conveying pipeline regularly, fly ash cakes possibly deposited on the inner wall of the conveying pipeline can be damaged quickly and safely, smooth feeding of the powder conveying system is met, and the conveying efficiency is improved. The blockage risk of the conveying pipeline is reduced.

The present invention belongs to the technical field of pipeline support, and in particular, relates to a pipeline support frame, including an anchoring base, a clamping assembly is fixedly installed on the upper end of the anchoring base, and also includes: a lifting and separation mechanism, a lifting confirmation mechanism, an intermittent starting mechanism, a support drive mechanism, and multiple groups of scraping and snow removal mechanisms. The present invention can intermittently control the pipeline to be lifted and separated from the support frame. This separation force will cause the ice layer bonded between the pipeline and the support frame to be stretched and sheared, destroying the internal structure of the ice layer, so that the ice layer breaks, and the friction between the pipeline and the support frame will be greatly reduced. When the pipeline is displaced due to thermal expansion and contraction, internal pressure changes or external forces, it can move more freely on the support frame, reducing pipeline damage caused by friction, and avoiding the problem that the stress in the pipeline cannot be released due to ice bonding between the pipeline and the support frame, which will cause pipeline deformation and rupture, thereby ensuring the safe operation of the pipeline.

This application relates to the field of demulsifiers, and more specifically, to an oil sludge demulsifier, its preparation method, and its application. An oil sludge demulsifier comprises the following components in the following mass ratio: 20-35 parts of a surfactant complex, 7-12 parts of an alkyl sulfate sodium cosolvent, 0.6-1.8 parts of a stabilizer, and 48-55 parts of water; wherein the surfactant complex comprises hyperbranched polyamide amine and polyether amine modified magnetic nanoparticles. This oil sludge demulsifier improves upon the problems of existing demulsifiers, such as low dehydration capacity, slow dehydration speed, poor demulsification effect, and low oil content, thereby improving the demulsification performance and dehydration efficiency, and achieving effective separation of oil sludge.

The invention belongs to the technical field of soldering flux production, and discloses a production device for soldering flux. Comprising a reaction kettle fixedly connected to the interior of a mounting frame, a feeding port is fixedly connected to the outer side of the reaction kettle, a discharging port is fixedly connected to the bottom end of the reaction kettle, the feeding port and the discharging port are communicated with the interior of the reaction kettle, an electromagnetic valve is mounted in the discharging port, and the electromagnetic valve is used for controlling circulation of liquid in the discharging port. According to the device, through the structural design of the pressurizing mechanism and the stirring mechanism, the pressurizing mechanism increases the pressure in the pressurizing pipe, a defoaming agent in the pressurizing pipe is forced to accelerate circulation, and through cooperation with the structural design of the stirring mechanism, the stirring mechanism enables the side pipe to rotate while stirring raw materials, so that the defoaming agent rapidly reaches the interior of the side pipe, and the defoaming effect is improved. And the defoaming agent is added into the floating foam in a rotary impact manner, so that the defoaming agent is in full contact with the foam, the foam structure is quickly destroyed, and the quick defoaming effect is achieved.

The invention relates to the technical field of oilfield sewage treatment, and particularly discloses a composite water clarifier for oilfield sewage treatment and a preparation method of the composite water clarifier. The invention relates to a composite water clarifier for oilfield sewage treatment. The composite water clarifier is prepared from the following raw materials: dual modified polyacrylamide, an imidazoline quaternary ammonium salt grafted copolymer, a scale inhibitor, an adsorbent, dodecyl dimethyl betaine, a coagulant aid and deionized water, the double modified polyacrylamide is obtained by performing double modification on polyacrylamide by using 2, 3-epoxypropyl trimethyl ammonium chloride and a hydrophobic monomer; the imidazoline quaternary ammonium salt grafted copolymer is a grafted copolymer of imidazoline quaternary ammonium salt, acrylamide and acrylamide-2-methylpropanesulfonic acid. The composite water clarifier can be used for treating high-salt and high-oil sewage generated in the middle and later periods of oilfield exploitation, has the advantages of being high in salt resistance, thorough in demulsification and good in flocculation effect, can efficiently remove oil and suspended solids, ensures that effluent reaches the standard, and meets the complex sewage treatment requirements of an oilfield.

The present invention relates to an ultrasonic accelerated infiltration rate device, comprising: a controller, an ultrasonic transducer with an ultrasonic horn at one end, an aluminum shell battery filled with electrolyte, a static box with a static cavity, a bottom plate placed in sequence at the bottom of the static cavity, an elastic gasket, a middle hole arranged at the bottom of the static cavity and penetrating the lower end of the static box, a lower hinge, an elastic horn whose lower end is hinged to one end of the ultrasonic horn through the lower hinge, an upper hinge passing through the middle hole and connected to the lower end of the bottom plate and the upper end of the elastic horn, an angle adjustment device for the elastic horn, a battery pressing device; the ultrasonic transducer is electrically connected to the controller. The ultrasonic accelerated infiltration rate device has high infiltration efficiency and good infiltration effect.

The invention discloses a positioning cutting device, which belongs to the technical field of cutting devices. The device comprises an arc guide plate arranged on the ground through an L-shaped support leg and a flame nozzle slidably arranged on the surface of the arc guide plate through a walking support arm. A walking slide groove is provided at the center of the arc guide plate. A relatively arranged preheating nozzle and a softening nozzle are rotatably arranged on the surface of the flame nozzle. The preheating nozzle and the softening nozzle are closed and wrapped around the surface of the flame nozzle. The preheating nozzle and the softening nozzle are fixedly connected to the side wall of the flame nozzle through a ventilation hose. The invention is provided with a sand storage tank. When the combustion nozzle preheats the cutting point, the abrasive sand inside the sand storage tank enters the flame nozzle through a sand passing pipe. Under the action of high-pressure oxygen and acetylene gas, the abrasive sand hits the cutting point at high speed. The impact force of the abrasive sand is combined with the high temperature of the flame to quickly destroy the surface structure of the steel coil, thereby improving the efficiency of the flame nozzle melting through the steel coil.

The utility model discloses an oil well casing outer cement sheath crushing mechanism which comprises a side support and a crushing module located on the side support, a motor is horizontally installed on one side wall of the side support, an output shaft of the motor is coaxially connected with an inner supporting shaft, and the motor needs external electric power facilities to supply power. The crushing module comprises a sleeve fixedly arranged on the inner supporting shaft in a sleeving mode, a mounting ring slidably arranged on the outer wall of the sleeve in a sleeving mode and multiple sets of crushing teeth welded to the outer wall of the mounting ring, a baffle disc is welded to one side of the outer wall of the inner supporting shaft, and two symmetrically-distributed storage grooves are formed in the other side of the outer wall of the inner supporting shaft; the opposite side walls of the two storage grooves are fixedly connected with springs correspondingly, and the two springs are connected with elastic pieces correspondingly. Compared with a direct extrusion mode in the prior art, the crushing mechanism for the cement sheath outside the oil well casing is faster in crushing, meanwhile, the crushing teeth are convenient to integrally replace when damaged, external tools are not needed, the maintenance work is more convenient and faster, and the cost is saved.

The application provides a kind of preparation of red radish protoplast enzymatic hydrolysate and the preparation method and application of red radish protoplast, belong to the technical field of plant cytology.The enzymatic hydrolysate includes:1.0~1.5w / v% cellulase, 0.3~0.5w / v% dissociation enzyme and 0.3~0.5w / v% hemicellulase.The cellulase has the effect of degrading cellulose in plant cell wall, dissociation enzyme is used with cellulase, which is beneficial to separate plant tissue into single cell, and the main effect of hemicellulase is to degrade hemicellulose in plant cell wall.The enzymatic hydrolysate can synergistically promote the effect of red radish tissue cell wall lysis through the comprehensive effect of three enzymes, can better and faster destroy cell wall skeleton, is more conducive to the preparation of red radish protoplast and further maximally release protoplast, is conducive to improving the yield of protoplast, and can also keep the protoplast with high activity.

The invention discloses a construction device and a construction method for reducing high ground stress in a tunnel by using laser, relates to the field of tunnel excavation, solves the problem that the laser emission hole of a laser generator is easily blocked during excavation by the existing construction device, comprises: a rotating cutter disc and a roller cutter, four mounting cylinders equidistantly distributed are arranged between the rotating cutter disc and the roller cutter, a laser generating rod is arranged on the inner side of the mounting cylinder, four laser output devices are fixedly installed on the inner side of the rotating cutter disc, and a laser head is fixedly installed on one end of the laser generating rod; further comprises: a hole cleaning mechanism for cleaning mud stuck on the inner side of the mounting cylinder, the hole cleaning mechanism is installed on the inner side of the rotating cutter disc; the invention can push out mud stuck in the inserting cylinder through the hole cleaning mechanism, solves the problem that mud blocks the laser head, and thus achieves the effect of mud cleaning and anti-blocking.

The invention relates to a passenger rail vehicle (1) with an emergency exit, wherein a passenger compartment is divided into a plurality of compartments and these compartments are arranged in at least two planes, and wherein two adjacent compartments have a common window with a glass pane (2), which forms the emergency exit, and wherein a partition wall (3) is provided between the adjacent compartments, which is latched at the glass pane (2) of the common window, and which is fastened at the glass pane (2) of the common window with an interior trim (4), wherein an emergency exit aid (5), which is in a position stored in its rest position, is fastened not only at the car structure of the passenger rail vehicle (1) but also at the glass pane (2) of the common window, so that upon destruction of the glass pane (2) the emergency exit aid (5) is brought into its position of use by falling out of the glass pane (2) to the outside.

The invention discloses a novel ZB415 cigarette filter tip end cleaning device and method, and relates to the technical field of tobacco mechanical equipment, the novel ZB415 cigarette filter tip end cleaning device comprises a compressed air pipeline and further comprises an air blowing plate, the air blowing plate is provided with a first plate face and a second plate face which are back to back, and the second plate face faces a second station filter tip end; the air inlet hole is formed in the first plate surface; and the air outlet hole is formed in the second plate surface and is communicated with the air inlet hole. The blowing plates are arranged on one side of the filter tip end of the second station at intervals, the compressed air pipeline is used for conveying airflow to the air inlet holes in the first plate face of the blowing plates, and the airflow stably enters the blowing plates through the vertically-guided air inlet holes and then is obliquely ejected to the filter tip end through the obliquely-arranged air outlet holes in the second plate face. Therefore, the pollution risk of the filter tip end of the cigarette is avoided, the potential quality hazard is avoided, and the quality of the cigarette product is further guaranteed.

According to the wet-process lithium extraction method of the lithium iron phosphate black powder material, the characteristic that distribution differences of all components of black powder in different particle sizes are large is utilized, the proportion of the black powder particles in different particle sizes is adjusted through a compounding technology, then the content of all the components in a system is regulated and controlled, the content of active substances is selectively increased, and therefore the leaching rate of main elements is increased. Specifically, the mass content of particles with the particle size smaller than 75 micrometers is adjusted to be larger than 25%, and meanwhile the mass content of particles with the particle size ranging from 75 micrometers to 300 micrometers is adjusted to be larger than 40%, so that the flotation efficiency is guaranteed, and the leaching efficiency is also guaranteed.

The utility model relates to the polycrystal silicon production technical field discloses a kind of waste trigger body tank erosion-resistant structure and waste trigger body tank containing the structure, the erosion-resistant structure is located on the inner wall of waste trigger body tank silicon powder import place's tank body, by the wear plate combination for blocking silicon powder fluid scouring tank inner wall fixedly installed on the inner wall of waste trigger body tank tank body and the clamping fixed block of fixed wear plate combination are formed, two clamping fixed blocks are respectively fixedly connected with the inner wall of waste trigger body tank tank body, and the upper and lower ends of wear plate combination are respectively abutted on two clamping fixed blocks.The utility model is provided with a section of wear-resistant, erosion-resistant lining structure at the silicon powder import place of waste trigger body tank, the lining structure is more wear-resistant as a whole, greatly improves the erosion-resistant, grinding ability of waste trigger body tank inner wall, to further improve the service life of entire waste trigger body tank;And, also reduce equipment maintenance cost and shutdown maintenance time, and avoid the safety accident caused by high-risk medium leakage.

The invention discloses a method for killing escherichia coli in water through cooperation of low-temperature plasma and composite oxide, and relates to the technical field of water purification. Comprising the following steps: (1) preparing a Cu-Mg-Al (1: 2: 1) composite oxide; (2) loading a Cu-Mg-Al (1: 2: 1) composite oxide on the DBD lower dielectric baffle plate; and (3) the Cu-Mg-Al (1: 2: 1) composite oxide cooperates with the low-temperature plasma to treat the escherichia coli in the water body. Through the synergistic catalysis of the low-temperature plasma and the composite oxide, the efficiency of killing the escherichia coli in the water is greatly improved. High-activity particles (such as. OH,. O2-, H2O2, H < + > and the like) generated by the low-temperature plasma are combined with the composite oxide loaded in the double-medium DBD reactor, bacterial cell membranes can be rapidly destroyed, the sterilization rate reaches 99% or above, and the method is remarkably superior to a traditional water treatment technology.

The utility model discloses a film viewing device for radiology department, which belongs to the technical field of medical instruments and comprises a film viewing lamp body, a telescopic sliding groove with an opening in the front wall is arranged at the upper end of the film viewing lamp body, a clamping mechanism is arranged at the front end of the telescopic sliding groove, and a follow-up clamping block is slidably arranged in the telescopic sliding groove. A spring is arranged between the follow-up clamping block and the telescopic sliding groove, the spring pushes the follow-up clamping block to be attached to the clamping mechanism, an air channel is formed in the follow-up clamping block in the length direction, an exhaust hole communicated with the air channel is formed in the bottom wall of the follow-up clamping block, a micro air pump is arranged on the rear wall of the follow-up clamping block and communicated with the air channel, and the air channel is communicated with the air channel. And the film is clamped between the clamping mechanism and the follow-up clamping block. The utility model provides the film viewing device for the radiology department, which is convenient for clamping a film and can accelerate the separation of the film from the film viewing lamp after the film is viewed.

The application discloses a kind of water product targeted purification heavy metal removal methods based on ozone and nano selenium cooperation, and specifically relates to aquatic product processing technical field.Single ozone treatment cannot remove heavy metals enriched in water products in body, and chemical chelation process can cause secondary residue and damage product quality technical defects are solved.The application is through four-step core process of low-concentration ozone pretreatment, gradient ozone deep disinfection, ozone-nano selenium cooperative targeted purification, standing and keeping alive, accurately controls the ozone concentration of each stage, and is matched with 2-5nm high-purity nano selenium, to complete purification under specific water temperature, pH and dissolved oxygen conditions.The application can realize efficient disinfection of deep pathogenic bacteria of aquatic products, targeted removal of heavy metals such as cadmium, lead and arsenic in body, simultaneously relieve oxidative stress, protect product freshness and original flavor, have no chemical residue, and are suitable for high-end raw aquatic product industrial production.

The invention relates to the technical field of daily chemicals, in particular to an antibacterial linen detergent which comprises a surfactant, a builder, a unique composite antibacterial system and a composite biological enzyme preparation. The composite antibacterial system is formed by compounding a double-chain quaternary ammonium salt, a guanidine polymer and a plant-source antibacterial synergist according to a specific proportion, the composite antibacterial system and a biological enzyme preparation containing protease, lipase, amylase and cellulase generate a synergistic effect, and through a mechanism of first enzymolysis cleaning and then multi-target synergistic sterilization, the composite antibacterial system can be used for preparing a multi-target antibacterial agent under the low-temperature condition of 40-60 DEG C; the efficient decontamination on the linen and the broad-spectrum and lasting killing on bacteria and fungi can be realized, and the drug resistance risk of microorganisms is obviously reduced. The product does not contain a chlorine bleaching agent, is environment-friendly and safe, has small damage to fabrics, and is particularly suitable for hygienic washing of linen in the industries of hotels, hospitals and the like.

The invention relates to a nano-enzyme compound with enhanced antibacterial activity. A preparation method of the nano-enzyme compound comprises the following steps: (1) synthesizing hollow ferroferric oxide nano-particles; and (2) constructing a glucose oxidase-hollow ferroferric oxide nano-particle compound. The invention provides a preparation method of the nano-enzyme compound and application of the nano-enzyme compound in treatment of drug-resistant bacterial infection and biofilm-related infection, and further provides biological safety data of the nano-enzyme compound, so that support is provided for popularization of the nano-enzyme compound in clinical application. The diameter of the compound is about 200nm, the biocompatibility is good, the hollow structure endows the material with a larger surface area, and more enzyme immobilization sites and higher catalytic activity are provided. Through an optimized enzyme immobilization technology, glucose oxidase and ferroferric oxide are perfectly combined to form a sequential enzyme system, hydrogen peroxide can be accurately generated in a glucose oxidation reaction, and a large amount of active oxygen is further generated through catalysis of ferroferric oxide, so that the antibacterial effect is remarkably improved.

The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment integrated device which comprises a treatment main body and further comprises a sewage treatment mechanism and a pretreatment mechanism, the sewage treatment mechanism is arranged on the treatment main body, the pretreatment mechanism is arranged on one side of the treatment main body, and a bubble suspension mechanism is arranged in the pretreatment mechanism. The sewage treatment mechanism comprises a rotary driving assembly, a photocatalytic reaction assembly, an anti-oxidation assembly and a bubble stirring assembly, the rotary driving assembly is arranged on the sewage treatment mechanism, the photocatalytic reaction assembly is arranged on one side of the rotary driving assembly, the anti-oxidation assembly is arranged on one side of the photocatalytic reaction assembly, and the bubble stirring assembly is arranged on the other side of the photocatalytic reaction assembly. The bubble stirring assembly is arranged on the rotary driving assembly; according to the sewage treatment mechanism provided by the invention, titanium dioxide is mixed with nitrogen in a water mist form and introduced into sewage, so that the surface area of the sewage can be greatly increased, and the efficiency of photocatalytic reaction is improved.

This invention discloses a method for eliminating Escherichia coli in water using a low-temperature plasma synergistic composite oxide, relating to the field of water purification technology. The method includes the following steps: (1) preparation of Cu-Mg-Al (1:2:1) composite oxide; (2) loading the Cu-Mg-Al (1:2:1) composite oxide onto a DBD (dual-medium) medium baffle plate; (3) synergistic treatment of Escherichia coli in water using the Cu-Mg-Al (1:2:1) composite oxide and low-temperature plasma. This invention significantly improves the efficiency of eliminating Escherichia coli in water through the synergistic catalytic effect of low-temperature plasma and composite oxide. The highly active particles generated by the low-temperature plasma (such as ·OH, ·O2−, H2O2, H+, etc.) combine with the composite oxide loaded in the dual-medium DBD reactor, rapidly destroying bacterial cell membranes and achieving a sterilization rate of over 99%, significantly superior to traditional water treatment technologies.

The invention provides a high-wave-transparent antenna outer cover capable of being quickly destroyed. The high-wave-transparent antenna outer cover comprises a fixed base, an antenna outer cover main body and a quick release device, the top of the fixed base is detachably connected with the antenna housing main body through a quick release device, the bottom of the fixed base is fixedly connected to a ship body and other carriers, and the fixed base is used for supporting the antenna housing main body; an accommodating cavity for accommodating a satellite antenna is formed in the antenna outer cover main body, a water inlet hole is formed in the bottom of the antenna outer cover main body, and the water inlet hole is communicated with the accommodating cavity; a self-resetting waterproof device for opening and closing the water inlet hole is arranged on the antenna outer cover main body, when the antenna outer cover main body is connected to the fixed base, the self-resetting waterproof device closes the water inlet hole, and when the antenna outer cover main body is separated from the fixed base, the self-resetting waterproof device opens the water inlet hole. The antenna outer cover and the satellite antenna are thrown into water together, so that communication equipment is quickly destroyed, and the security of confidential data in an emergency is ensured.

The invention discloses a continuous Fenton oxidation treatment method for medium-low-concentration DMAC (dimethylacetamide) wastewater, which comprises the following steps: continuously feeding the medium-low-concentration DMAC wastewater, acid, a ferrous sulfate solution and hydrogen peroxide into a reaction kettle, and carrying out Fenton oxidation in the reaction kettle; continuously feeding the material subjected to Fenton oxidation into a neutralization kettle, and continuously introducing a sodium hydroxide solution into the neutralization kettle at the same time, so that ferrous sulfate reacts with sodium hydroxide to form ferric hydroxide precipitate; and materials reacted in the neutralization kettle enter a precipitation kettle for standing. The method is simple and easy to implement and high in treatment efficiency, the removal rate of DMAC in the wastewater from the precipitation kettle can reach 95% or above, the treated wastewater can be directly subjected to common aerobic or anaerobic biochemical treatment, and the biochemical effect is good.