224results about How to "Not easy to sink" patented technology

The invention discloses a polypropylene color masterbatch and a preparation method thereof. The polypropylene color masterbatch comprises the following components, by weight, 20-70% of polypropylene, 0.01-70% of a toner, 0-40% of a dispersant, 0.1-10% of a foaming agent, 0-10% of a crosslinking agent, 0-2% of a heat stabilizer, and 0-40% of a filler. The preparation method comprises the following steps: burdening and mixing above components according above proportions, carrying out melt blending with a double screw extruder or an internal mixer, and granulating and drying to prepare the color masterbatch. The shape of the color masterbatch is cylindrical, beaded, square or round tablet-like according to different granulating modes. The polypropylene color masterbatch provided in the invention which can be used in coloring products of polypropylene extrusion, spinning and injection molding has the advantages of excellent dispersibility and color stability.

The invention relates to a sand beach cleaning vehicle and a cleaning operation method thereof. The sand beach cleaning vehicle comprises a frame, wherein a sand-stirring idler wheel device is mounted on the front part of the frame; a screening conveying device is mounted on the middle part of the frame; a garbage can and a garbage can lifting turning mechanism are mounted on the rear part of the frame; a push shovel is fixed behind the sand-stirring idler wheel device and on the front lower part of the frame; a sand-guiding plate is fixed on the push shovel; the sand-guiding plate is connected with the screening conveying device; a loading bridge with a wheel is mounted on the rear lower part of the frame; a flattening mechanism which is used for flattening a sand beach is mounted on the loading bridge; a dragging device at the front end of the frame is dragged by a hanging mechanism of a tractor; and the hanging mechanism can control the sand-shoveling depth of the push shovel. When the sand beach cleaning vehicle operates on the dry sand beach, an operation mode of deeply cleaning garbage is adopted; when the sand beach cleaning vehicle operates on the wet sand beach, the operation mode of only cleaning surface garbage is adopted; and during the operation process on the dry and wet sand beaches, the sand beach cleaning vehicle is difficult to sink, has a small running resistance, is high in operation efficiency and can flatten the sand beaches.

The invention relates to coating technology, in particular to a polyaniline modified glass flake heavy-duty anti-corrosive coating and a preparation method thereof to solve the problems that when theprior glass flake anti-corrosive coatings are constructed, most of the glass flake anti-corrosive coatings require to coat primer on the surface of steel or other metal matrix to improve the corrosionresistance and prevent corrosion between the coat and the interface of the matrix, and the like. The polyaniline modified glass flake heavy-duty anti-corrosive coating comprises epoxy resin, a polyaniline modified glass flake, an amine curing agent and the like. A polyaniline coating layer is formed on the surface of the glass flake by an oxidative polymerization method; the glass flake after thetreatment has the passivating effect on metal; and a phytic coating layer on the surface of the glass flake also has the corrosion inhibiting effect on the metal. The polyaniline modified glass flakeheavy-duty anti-corrosive coating has strong corrosion resistance and permeability resistance, can be applied to heavy-duty anti-corrosive projects such as petrochemical equipment, pipelines, offshore oil platforms, wharf facilities, shipping and the like, and is particularly suitable for protecting wave splashing zones and tidal difference zones.

The invention discloses an electrically-driven tread-adjustable hand-held material transfer trolley, comprising a body. A set of adjusting shaft plates and sliding block baffles are arranged on the lower part of the body, adjusting shafts are installed on the adjusting shaft plates in a penetrating way and matched with sliding blocks, the sliding blocks are connected with shaft holders, the shaft holder on one side is provided with a motor, a landing leg is arranged at one end of the lower part of the body and matched with an oil cylinder block arranged below the body, an oil cylinder is arranged on the oil cylinder block, a fixed handle is arranged at one end of the body, and connected with a movable handle through an adjusting disc, and the other end of the body is hinged to a loading box through a connecting shaft. The tread between wheels of the electrically-driven tread-adjustable hand-held material transfer trolley is adjustable, so that the device can be freely adjusted according to different road conditions, advancing is more convenient, the wheels are driven by the motor, the device can be conveniently pushed in a labor-saving manner through the assistance of the motor, the loading box can be jacked to unload through the jacking force of the oil cylinder, and thus safety and reliability are realized.

The invention relates to the nanometer technology and corrosion resistance technology, in particular to a chromium-free nano composite polyurethane aircraft coating and a preparation method thereof. The chromium-free nano composite polyurethane aircraft coating consists of two components. By weight, the first component include 0.2-30 parts of nano pulp, 10-85 parts of synthetic resin, 0-40 parts of tinting pigment, 0.01-5 parts of organic corrosion inhibitor, 5-40 parts of rust-resistant pigment and the like, and is made by dispersing the synthetic resin, the solvent, the nano pulp, auxiliary and the like at high speed, grinding and filtering the same. The second component is formed by dispersing curing agent and the solvent. The two components are mixed uniformly to obtain the coating. By adding the rust-resistant pigment and the organic corrosion inhibitor to prepare the chromium-free nano composite polyurethane aircraft coating, nano powder can be dispersed in the coating stably, corrosion resistance of the coating is improved. Further, the prepared coating is beneficial to environment protection due to the chromium-free rust-resistant pigment.

The invention discloses a full-scale range C-reactive protein latex-enhanced immunoturbidimetry detection kit. Through turbidity change, quantitative determination is realized. The kit comprises a reagent R1 and a reagent R2. The reagent R1 is a phosphate buffer solution. The reagent R2 comprises two conjugates with different particle sizes, and the conjugates comprise a conjugate of carboxylic polystyrene latex and a rat anti-human CRP antibody and a conjugate of carboxylic polystyrene latex and a mouse anti-human CRP antibody. The kit can be combined with a full-automatic specific protein analyzer so that detection sensitivity and accuracy are improved and detection time is shortened. The full-scale range C-reactive protein latex-enhanced immunoturbidimetry detection kit can detect high concentration CRP content and low concentration CRP content and has the advantages of high sensitivity, strong stability, wide linear range, good repeatability and cheap price.

The invention discloses a hexagonal boron nitride epoxy compound anticorrosion coating and a preparation method and application thereof. The anticorrosion coating is mainly composed of hexagonal boron nitride, polyaniline nanofiber, epoxy resin, a disperse medium, a coating additive, an epoxy resin curing agent, a solvent, etc. The hexagonal boron nitride epoxy compound anticorrosion coating provided by the invention has good storage stability, is not easy to sink to the bottom, has simple preparation process, is low-cost, and is suitable for large-scale production. A coating layer formed by the coating has excellent barrier property and lasting corrosion resistance. The product has a good application prospect in the industries of chemical engineering, petroleum, electric power, ship, light textile, storage, transportation, spaceflight, etc.

The invention discloses alcohol-group dry powder sand mould foundry coating, which comprises the following components in percentage by weight: 60-75% of bauxite, 2-10% of amorphous graphite, 3-15% of lamellar graphite, 2-10% of iron oxide red, 1-5% of attapulgite, 0.5-1.5% of sodium bentonite, 1-5% of polyvinyl butyral, 0.1-0.5% of surfactant and 0.1-0.5% of dispersing agent. The dry powder coating has the advantages of simple preparation technology, convenience in use and good high-temperature sand adhesiveness resistance.

The invention relates to a nanotechnology and a corrosion prevention technology, particularly to a nano-composite PU (polyurethane) aircraft coating with high corrosion resistance and a preparation method thereof. In parts by weight, a first component comprises 60-80 parts of waterborne hydroxyl acrylic resin, 5-10 parts of nano slurry, 1-3 parts of a coloring pigment, 8-10 parts of an organic corrosion inhibitor, 10-15 parts of an anti-rust pigment and the like; a second component comprises 70-80 parts of a waterborne isocyanate curing agent and 20-30 parts of deionized water. Raw materials, such as the waterborne hydroxyl acrylic resin, the deionized water, the nano slurry, the additives and the like, are dispersed at the high speed, then ground and filtered to prepare the first component, the curing agent and the deionized water are dispersed and mixed to prepare the second component, and the two components are evenly mixed in proportion to obtain the coating. The novel composite nano slurry, the anti-rust pigment, the composite organic corrosion inhibitor, the water and the like are used for preparing the nano-composite PU aircraft coating, so that the nano-powder material is stably dispersed in the coating, and the corrosion resistance of the coating is improved.

The invention discloses a lobster feed capable of enhancing the immunity. The feed is prepared from the following raw materials in parts by weight: 15 to 25 parts of germinated brown rice, 20 to 30 parts of oat bran, 45 to 85 parts of potato powder, 4 to 10 parts of carrot top, 8 to 16 parts of duck oil, 30 to 50 parts of chrysanthemum meal, 5 to 10 parts of peanut meal, 3 to 6 parts of earthworm powder, 8 to 12 parts of sunflower seed meal, 4 to 10 parts of extruded soya bean meal, 3 to 9 parts of meat and bone meal, 6 to 12 parts of defatted fish meal, 6 to 10 parts of concentrated albumen-powder of soybeans, 10 to 20 parts of potato protein powder, 0.06 to 0.12 part of tryptophan, 0.3 to 0.7 part of methionine, 0.5 to 0.7 part of cellulase, 1.5 to 2.5 parts of selenium-enriched yeast, 0.1 to 0.2 part of Bacillus, 0.06 to 0.1 part of monascus, 0.03 to 0.07 part of Schizophyllum commune, 4 to 8 parts of Chinese herbal medicine additive, 3 to 5 parts of corn oil and 3 to 6 parts of modified montmorillonite.

The invention discloses a technical method of a safe and covert high-capacity oil depot arranged underground. The safe and covert high-capacity oil depot arranged underground is characterized in that the oil depot is built in mines to be wasted or abandoned mines or idle tunnels, caves, cave dwellings and culverts. The oil depot is composed of a plurality of nonstandard single storage tanks, wherein the storage tanks are connected through pipelines, and tube valves are mutually communicated and isolated. An oil inlet tube and an oil outlet tube are respectively installed on the upper portion and the lower portion of a tank body and connected with an oil inlet and outlet main tube, the oil inlet tube and the oil outlet tube extend to the ground to be connected with an oil discharge device, and a buffer pump and an oil well pump are installed on the main tube. Inflaming retarding isolation protective screens are arranged among the storage tanks, and a pedestrian path is arranged on the side. Ventilation equipment, fire control equipment, lighting equipment and dewatering equipment are installed in the depot, and a camera shooting monitoring instrument and a gas automatic detecting instrument are installed. The safe and covert high-capacity oil depot arranged underground has functions of fire protection, thunder prevention, war prevention and man-made sabotage prevention, solves the problem that the prior art is large in land occupation, high in construction and operational cost, small in storage content, multiple in environmental factor influence, poor in elusive performance and poor in safety and reliability, and has safety risks on the periphery.

The invention relates to a coal mine underground end mining method, in particular to a soft coal seam long-wall high-mining-height comprehensive mechanized coal mining end mining method, and solves the problem of coal wall collapse brought by end mining under the condition of a working face of a long-wall high-mining-height soft coal seam existing in the prior art. The mining height of the high-mining-height long-wall working face is more than over 3.5 m; a feed-return working face arrangement mode is at least adopted; and after the working face is pushed to an end mining line, a bracket stops to move forwards, then a tunneling machine is arranged at the tail of the working face, and a support dismantling passage is made by using a comprehensive tunneling process to finish end mining. The process has high capacity of adapting to complex geological conditions. The place and time of end mining can be flexibly selected according to the geological conditions and a roof pressure change rule, and the safety coefficient is high.

The invention provides a honeycomb floating tray system for a cylinder storage tank. The honeycomb floating tray system for the cylinder storage tank comprises a floating tray body and an edge plate sealing mechanism, and the edge plate sealing mechanism is arranged at the peripheral edge of the floating tray body. The edge plate sealing mechanism comprises an edge plate connecting plate, a stainless steel flexible sealing plate, a stainless steel high flexible supporting plate, a first polytetrafluoroethylene fiber membrane plate and a second polytetrafluoroethylene fiber membrane plate. The edge plate connecting plate is fixed to the outer side of an edge plate. The first polytetrafluoroethylene fiber membrane plate is arranged on the outer side of the edge plate connecting plate. According to the honeycomb floating tray system for the cylinder storage tank, due to arrangement of the edge plate sealing mechanism on the edge of the honeycomb floating tray system, the stainless steel flexible sealing plate can cling to the inner wall of the storage tank so as to enable the edge of the inner wall of the storage tank to be fully sealed; no air phase space exists; oil gas volatilization can be reduced greatly; the sealing compensation amount is large; and due to arrangement of the second polytetrafluoroethylene fiber membrane plate, corrosion resistance of the edge plate sealing mechanism can be increased.

The invention discloses a printable waterborne polyurethane 3D golden oil or 3D ink. The 3D golden oil or 3D ink mainly includes the following components by mass percentage: waterborne polyurethane with film hardness of 65A-75A, a wetting agent, a slow drying agent, an anti-permeability agent, a leveling agent, a defoaming agent, a coupling agent, a pH regulator, a bactericide, deionized water, a color paste, and a thickening agent, etc. The golden oil or ink can be prepared into a coating on a textile surface directly through printing, the prepared coating has the advantages of strong stereo feel, good glossiness, easy stacking, no subsidence, soft handfeel, low temperature resistance, and good firmness, etc., and solves the problems of ink spreading, no blotting, cracking and other problems in existing printing ink.

The invention provides a pervious straw fiber concrete and a production method thereof. The method comprises the following steps: unwinding plant straws into dispersed straw fibers, carrying out alkali liquor steam curing on the straw fibers and silica micro-powder to form silica micro-powder coated modified straw fibers, and uniformly mixing the silica micro-powder coated modified straw fibers with high-calcium fly ash, fine aggregates, a water reducer and water to obtain the pervious straw fiber concrete. Steam oxygen of gaseous oxidation aggregated silica micro-powder makes the gel coated straw fibers have good dispersibility, permeability and thickening property, and the modified fibers formed by the coated straw fibers have a thickening property, so a formed straw fiber network has good water permeability, the adhesion force between a cement mortar and the fine aggregates and between the cement mortar and the straw fibers is enhanced, and the strength of the concrete is greatly improved; and the method effectively recovers agriculture and forestry straws, and realizes the high-value comprehensive utilization of solid wastes.

The invention discloses a bacillus subtilis strain and applications thereof, and belongs to the technical field of applied biology. The strain is the bacillus subtilis strain QS1 and assigned the accession number CGMCCNO. 17314. A bacillus subtilis preparation is simultaneously disclosed. The preparation includes the bacillus subtilis strain QS1, natural perlite powder and maltodextrin; and a preparation process takes the natural perlite powder as a bacillus subtilis spray carrier, so that aerobic biochemical reaction on the bacillus subtilis in a septic tank can be conveniently performed. Thebacillus subtilis strain QS1 has good decomposition capability for proteins, fibrous substances and oil substances; and the strain can effective remove stink by applying to the septic tank and sewagetreatment, so that the problems of sludge and scum blocking can be effectively prevented, the occurrence of methane and hydrogen sulfide gas can be reduced, and potential safety hazards can be removed.

The invention discloses a dam with pile groups and a permeable frame and a construction method of the dam. The construction method includes: piling vertical dam piles in a to-be-constructed river, arranging a mesh between each two adjacent vertical dam piles so that the vertical dam piles and the meshes form a closed block, casting the permeable frame in the mashes to form a permeable frame unit, and casting other permeable frames into the meshes so that the permeable frame units form the dam with the pile groups and the permeable frames. The dam has the advantages of stability in structure, long engineering life cycle, eco-environment protection, convenience in construction and the like.

The invention discloses cement-based polymer waterproof mortar which is characterized by being prepared from, by weight, 5-10 parts of 3-chloro-2-hydroxy propane sulfonic acid ionized modified hyperbranched polyamino acid, 2-5 parts of a fatty acid-based addition polymer, 0.5-2.5 parts of calcium borogluconate, 1-3 parts of nano alumina sol, 10-15 parts of pelelith powder, 100 parts of Portland cement, 3-7 parts of palygorskite powder, 3-5 parts of glass fiber powder, 3-8 parts of industrial solid waste powder, 20-30 parts of a styrene-acrylic emulsion, 1-3 parts of sodium laureth sulfate modified crosslinked super absorbent resin, 80-120 parts of fine sand and 80-100 parts of water. The invention also discloses a preparation method of the cement-based polymer waterproof mortar. The cement-based polymer waterproof mortar has the advantages of good impermeability, low water absorption rate, high bending strength and bonding strength, convenient construction, aging resistance and remarkable waterproof performance.

The invention discloses a feed for enhancing the immunity of lobsters. The feed is prepared from the following raw materials in parts by weight: 40-80 parts of corns, 15-25 parts of oat bran, 10-20 parts of radish leaves, 2-10 parts of fish oil, 2-8 parts of waxgourd peel, 5-15 parts of soybean protein, 1-8 parts of puffed meat and bone meal, 2-6 parts of potato protein powder, 2-6 parts of earthworm powder, 20-40 parts of sunflower seed meal, 2-8 parts of yeast protein powder, 1-4 parts of yellow mealworm, 1-6 parts of peanut meal, 5-10 parts of rice bran meal, 1-4 parts of modified montmorillonoid, 12 parts of corn oil, 1-2 parts of selenium-enriched yeast, 0.1-0.4 part of phytase, 0.01-0.06 part of Schizophyllum commune, 0.04-0.08 part of Armillaria mellea, 0.02-0.05 part of monascus, 0.04-0.08 part of lysine, 0.1-0.4 part of methionine and 1-4 parts of a Chinese herbal medicine additive.

The invention relates to a soft body soap composition without fatty acid salt. The composition comprises 18-30% at least a gel, 45-80% at least a surfactant and the remainder as water, based on weight ratio. The gel is preferred gelatin, or the other chemicals, mixture or compound having similar property to the gelatin. The invention also relates to a method for producing the soap having the soap composition. Accordingly, the soap prepared is soft, elastic and capable of being compressed, extended or expanded, and the soap can float on water surface without sinking into the bottom.

The invention discloses aluminum oxide-containing polyaniline zinc powder flake epoxy heavy anti-corrosion coating and a preparation method thereof. The coating comprises a component A and a component B, wherein the component A comprises the following components in parts by mass: 35-85 parts of epoxy resin, 0.5-25 parts of polyaniline zinc powder flake, 0.1-10 parts of aluminum oxide, 0.1-5 parts of pigment, 1-15 parts of packing, 0.01-2 parts of anti-sag agent, 0.01-0.5 part of dispersant, 0.01-2 parts of flatting agent, 0.01-0.5 part of deforming agent and 5-40 parts of mixed solvent; and the component B comprises the following components in parts by mass: 40-90 parts of amine curing agent and 10-60 parts of solvent; and the coating is prepared by mixing and stirring the component A and the component B for 1-5 minutes according to a mass ratio being 1: (0.1-1):1. The corrosion resistance, seawater erosion and abrasion resistance, ageing resistance and anti-penetrating property of the coating system are obviously improved; and the coating can be applied to heavy anti-corrosion engineering in fields of petrochemical equipment, pipelines, offshore oil platforms, berthing facilities, ships and the like.

The invention discloses an HDPE (high-density polyethylene) plastic concrete composite matrix sea cucumber and abalone enhancement reef and a construction method thereof. The reef comprises a plurality of parallel equal-length small-diameter PE (poly ethylene) water supply pipes (1), a plurality of equal-length small-diameter PE water supply pipes (2) perpendicular to the PE water supply pipes (1), a plurality of large-diameter HDPE corrugated pipes (3), galvanized bolts (4), concrete or cement mortar (5), pipe wall boreholes (6) and ropes (7) clamping algae seedlings, a latticed reef body base is formed by using the parallel equal-length small-diameter HDPE water supply pipes (1) as a lower layer and the small-diameter HDPE water supply pipes (2) perpendicular to the HDPE water supply pipes (1) as an upper layer, and the large-diameter HDPE corrugated pipes (3) in matrix arrangement are locked on the base in the state of standing upright on the base surface by the aid of the technical method of crossed pipe penetration locking. The enhancement reef is reasonable in structure, concise, feasible, diverse in layout, easy to throw in and simple and rapid to assemble, and has high profit margin and broad market prospect.

The invention provides a foot of a quadruped robot capable of actively switching form. The foot of the quadruped robot comprises a foot base assembly, a power transmission device and a hemispheric foot end assembly, wherein the power transmission device is arranged inside the foot base assembly, the hemispherical foot end assembly comprises a first half foot end assembly and a second half foot endassembly, the first half foot end assembly and the second half foot end assembly are oppositely arranged to form a hemispheric structure, the output movement of the power transmission device is transmitted to the two half foot end assemblies through two connecting rods, and two hemispherical foot end assemblies are connected with the foot base assembly through a foot back base. The foot of the quadruped robot overcomes the defects that a traditional spherical foot is prone to sinking and slipping on soft grounds such as sand and the like, and provides a robot foot structure capable of actively switching the form to adapt to different terrain conditions, and the foot of the quadruped robot capable of actively switching the form has a foot end contact force detection capability, so that thequadruped robot can freely move on hard grounds and the soft grounds.

The invention discloses a tracked steamship / vehicle for rescuing on an ice surface and a wet land, belonging to rescue equipment. The tracked steamship / vehicle comprises a hull, a cabin, watertight bulkheads, a water-resisting enclosure, track wheels, a pendulum shaft, a damping shock absorber, a rescue suspension arm and a buckling claw. The tracked steamship / vehicle is characterized in that the tracked wheels connected and fixed together with the pendulum shaft of which the middle is longitudinally fixed and two horizontal ends swing vertically are arranged below two sides of the hull; and the periphery and the bottom of the hull are provided with the watertight bulkheads of which the total buoyancy is larger than the total weight of the steamship / vehicle. The water-resisting enclosure is arranged at the periphery above a deck of the cabin, and the front part of the deck is provided with the rescue suspension arm. Compared with the prior art, the tracked steamship / vehicle has the functions of advancing on the ice surface and the wet land and in water, also has the advantages of safety in use, wide in application range, high in adaptability and the like and has favorable popularization and application values.

The invention relates to the technical field of pipe jacking construction, and aims to provide a mechanical pipe jacking construction process. The process comprises the following steps of lofting andrechecking; well construction; pipe jacking equipment and ground auxiliary facilities are installed; discharging the pipe jacking equipment out of the working well; a jacking axis is preset on the console, the position relation between a machine head of the pipe jacking equipment and the jacking axis is displayed in a laser point mode, and meanwhile a three-dimensional simulation model used for simulating the pipe jacking construction process is arranged in the application background; the application background obtains construction process data of the console in real time and inputs the construction process data into the three-dimensional simulation model, and the three-dimensional simulation model controls the application background to give an alarm; an operator adjusts the position of amachine head of the deviation correcting pipe jacking equipment until the position deviation between the laser point and the jacking axis is smaller than or equal to a preset value; pipe jacking equipment enters a receiving well; and jacking-in and soil-out device. The process has the effects of assisting an operator in finding the running direction of the machine head and adjusting the running direction of the machine head in time, so that the situation that the construction quality is influenced by personal errors during construction is reduced.

The invention discloses a water garbage bin. The water garbage bin comprises a garbage bin body. A water inlet is formed in the upper portion of the garbage bin body. A water pump is arranged at the bottom of the garbage bin body. The water inlet is immersed in water. A positioning device used for maintaining the water line of the garbage bin body is arranged on the garbage bin body. According to the scheme, the water inlet is formed in the upper portion of the garbage bin body and immersed in the water, the water inlet is flush with the water surface or is lower than the water surface, water is pumped into the garbage bin body continuously through the water inlet of the garbage bin body by means of the water pump, garbage is left in the garbage bin body, and water is drained out of the bin body through the water pump; and by arranging the positioning device, when the water level changes, the water line of the garbage bin body can be adjusted in time, the height different between the water inlet and the water surface is maintained, the garbage can be collected conveniently, and the garbage bin body can be prevented from drifting away along with water flow.

The invention discloses an opposite shrinkage type water body greasy dirt suspended matter adsorption device, and belongs to the field of water body greasy dirt treatment. According to the opposite shrinkage type water body greasy dirt suspended matter adsorption device, when adsorbed greasy dirt is nearly saturated, the greasy dirt can penetrate through a limiting channel to enter an inward shrinkage deformation column, a built-in self-hydrolysis water ball is dissolved when meeting oil to release water in the water body greasy dirt suspended matter adsorption device, an effervescence columnis gasified when meeting water, so that a gas gathering film cylinder expands under the extrusion action of gas, on one hand, the buoyancy of the adsorption device is effectively improved, the adsorption device is not prone to sinking into water when the gravity is increased after oil stain adsorption, and it is guaranteed that the adsorption process is normally carried out, and on the other hand,after the effervescence column in the indentation deformation column is gasified, the inward shrinkage deformation column strength is reduced, along with the stretching of the elastic sheet, the deformation is gradually recovered, and the volume and the transverse span of the adsorption device are gradually reduced, so that workers on the shore are effectively reminded of the oil stain adsorptioncondition, the recovery condition caused by unsaturated adsorption is effectively reduced, and the oil stain adsorption efficiency is effectively improved.

The invention discloses a manufacturing method and a structure for a basement floor without crack, leakage and with an oversized area. According to the method and the structure, disclosed by the invention, a concrete self waterproof floor board layer is firstly poured, and the concrete self waterproof floor layer is poured by adopting leakage resisting concrete; a drain board layer made from high impact polystyrene (HIPS) is paved on the concrete self waterproof floor board layer; then, a plain concrete leveling layer is poured on the drain board layer; a reinforced concrete layer of which the thickness is from 160 to 260mm is poured on the plain concrete leveling layer, the reinforced concrete layer is divided into small integrated reinforced concrete layers by expansion joints, and extruded polystyrene board materials are filled in the expansion joints; a polyurethane coating layer is painted on each small integrated reinforced concrete layer of the reinforced concrete layer, and silicone weather-proof glue is filled in a gap between every two adjacent polyurethane coating layers. The structure has the advantages of difficulty in sinking, no crack, no leakage and the like.

The invention discloses a dust remover for filtering combustible dust-containing gas. According to the invention, a plurality of first guide pipes are arranged at one end of a supporting plate at equal intervals; a second guide pipe is welded and fixed at one ends of the first guide pipes; a plurality of third guide pipes are arranged at one end of the supporting plate at equal intervals; one endsof the third guide pipes are welded and fixed with a fourth guide pipe; and by arranging the fourth guide pipe and the second guide pipe, the first guide pipes are internally communicated with the second guide pipe, so that condensed nitrogen circularly flows in the first guide pipes, the first guide pipes can cool a filtering core, and after gas enters a filtering box, the gas passes through a filtering core to filter and separate dust particles, the dust particles are not prone to generate static electricity through cooling and humidity increasing, the mass of the dust particles is increased due to humidity increasing, the dust particles are prone to sinking into the bottom end of a dust accumulation box, and the accumulated dust is conveniently treated so as to substantially improve the dust treatment efficiency in gas and conveniently achieve subsequent accumulated dust treatment.