22results about How to "Cut off contact" patented technology

The invention discloses a photovoltaic structure applied to the sea surface and an offshore floating type photovoltaic power station. The photovoltaic structure applied to the sea surface can comprise a double-glass photovoltaic module and an isolation structure, and the isolation structure and a glass back plate of the double-glass photovoltaic module are of an integrated structure; the isolation structure comprises an ion blocking layer, a compact protection layer and an antibacterial layer which are stacked, and the ion blocking layer is formed on the back face of a glass backboard of the double-glass photovoltaic module. The photovoltaic structure can effectively prevent water vapor and salt mist from making contact with the glass back plate, can prevent marine microorganisms from growing and breeding on the glass back plate, and prevents the glass back plate from being damaged.

The utility model discloses a flash collection system of a slag flushing water evaporator, which comprises a shell, a slag water inlet is arranged at the top of the shell, a slag water outlet is arranged at the bottom of the shell, a plurality of evaporation chambers are separated in the shell, every two adjacent evaporation chambers are separated by a slag water overflow port, and the slag water overflow ports are horizontally arranged. A negative pressure steam pipeline is arranged on the side wall of the shell and on the side opposite to the slag water overflow port, each evaporation chamber is provided with a metal inclined plate capable of sealing the evaporation chamber, the metal inclined plates are arranged in an inclined mode, and the inclined lower ends of the metal inclined plates are connected with the slag water overflow port, so that the flow direction of negative pressure steam in each evaporation chamber is the side upward flow direction. A first demister is installed between the lower inclined end of the metal inclined plate and the side wall of the shell, and a second demister is installed at a pipeline opening of the negative pressure steam pipeline. According to the demister, slag water, tiny slag cotton and suspended solids entering the demister and the heat exchanger can be effectively reduced, and the problems that the running time of a unit is short, and the demister and the heat exchanger are often scaled and blocked are solved.

This invention relates to the field of polymer material synthesis technology, specifically to a modified PVB resin and its preparation method. The invention introduces a fluorinated acetal monoaldehyde derivative containing fluorine into the PVB resin. This derivative is mixed with n-butyraldehyde and glyoxal, thereby undergoing an acetalization reaction with the 1,3-o-diol structure of the PVB molecular chain, incorporating the fluorinated side link into the PVB molecular chain. Utilizing the high electronegativity and high C-F bond energy of fluorine atoms, it shields against the intrusion of external corrosive media, inhibits oxidative yellowing, and improves weather resistance. Furthermore, the invention introduces glyoxal as a crosslinking agent, containing dialdehyde groups, which can react between adjacent polyvinyl alcohol segments, causing slight crosslinking between the originally linear PVB resin segments, improving the resin's shielding performance, further reducing the intrusion of external corrosive media, and enhancing the stability of the PVB resin.

The invention provides a composite positive electrode lithium supplementing material, the chemical general formula of the composite positive electrode lithium supplementing material is Li < x > M < y > N (1-y) O < z > (at) Li C O < c >, and the composite positive electrode lithium supplementing material comprises an inner core and a shell coating the surface of the inner core, the inner core is a doped inorganic ternary compound, the chemical general formula of the doped inorganic ternary compound is LixMyN (1-y) Oz, and the outer shell is an organic lithium supplement agent, and the chemical general formula of the organic lithium supplement agent is LiaCbOc. The composite positive electrode lithium supplement material has good stability and high gram volume, the coating of the shell can effectively prevent the material from being contacted with wet air, and doping is carried out in the core material, so that the conductivity of a positive plate is improved; meanwhile, the composite positive electrode lithium supplementing material has no gel condition in a conventional environment, and the prepared composite positive electrode lithium supplementing material can effectively supplement active lithium consumed by a negative electrode SEI membrane, so that the energy density and high-temperature cycle performance of the whole battery are improved.

The utility model relates to reagent storage technical field discloses a kind of water treatment is with algae destroyer light-protective storage device, including outer light-shielding bush, inner light-shielding bush, light-shielding outer cover and clockwork, three are made of brown glass or light-tight plastic. Inner light-shielding bush rotates and inserts outer light-shielding bush, light-shielding outer cover bottle mouth, clockwork connects both to realize reset;Outer, inner viewing groove are adapted, inner viewing groove is embedded transparent baffle, outer bush is provided with antiskid base, inner bush is provided with rotating ring and dial ring. Device is through multiple light-shielding, dynamic light control and stable structure, realizes long-acting light-protective storage of algae destroyer, conveniently check liquid level and automatic reset, guarantee the performance of algae destroyer.

A marine ship antifouling coating, including the following components in parts by weight: 40-60 parts of low surface energy fluorine-silicon modified epoxy resin; 10-30 parts of amino-modified nano titanium dioxide; 5-10 parts of amino-modified nano silicon dioxide; 5-15 parts of quaternary ammonium salt polymer capsules; 5-10 parts of organotin polymer microspheres; 1-5 parts of thiol-terminated hyperbranched macromolecules, low surface energy perfluoroalkyl and polysiloxane structures are introduced into the fluorine-silicon modified epoxy resin matrix, significantly reducing the coating surface energy, making it have excellent hydrophobicity and oleophobicity, and inhibiting the adhesion of marine pollutants. The introduction of amino-modified nano TiO2 and amino-modified SiO2 particles not only further reduces the surface energy, but also forms a micro-nano dual structure similar to the surface of a lotus leaf, blocking the contact between pollutants and the coating, and producing a physical antifouling effect; quaternary ammonium salt polymer capsules and organotin polymer microspheres can controllably release antibacterial agents and algaecides, respectively.

The present application relates to a kind of cylindrical electrode paste and its preparation method.A kind of cylindrical electrode paste, by mass parts, including 15-20 parts of anthracite main material, 25-40 parts of residual anode, 3-10 parts of graphite fragment, 25-35 parts of coke, 15-30 parts of organic binder, 6-18 parts of bio-based binder. Among them, organic binder includes medium temperature pitch, anthracene oil, beta resin. Among them, bio-based binder includes carbonized hydrophobic composite modified wood bamboo powder, sodium carboxymethyl cellulose. The carbonized hydrophobic composite modified wood bamboo powder of the present application and sodium carboxymethyl cellulose are compounded to form a bio-based binder, which cooperates with the organic binder to ensure the bonding strength, high temperature resistance and electrical conductivity of the cylindrical electrode paste, while realizing the green and low-carbon utilization of biomass, solving the problems of high temperature failure, moisture absorption and easy caking, and many pores of traditional bio-based binder, reducing the resistivity and production cost, and improving the structural density and use stability.

An auxiliary mounting support facilitating mounting of a siphon rainwater pipe support in a steel structure column relates to the technical field of building construction and comprises a sleeved butt joint base, a circular groove is formed in the butt joint base, a coaxial determining assembly is arranged on the butt joint base, and a first clamping assembly is arranged on the butt joint base; an alignment base is arranged right above the butt-joint base, a second clamping assembly is arranged on the alignment base, an alignment assembly is arranged on the alignment base, a butt-joint assembly is arranged on the butt-joint base, and an auxiliary supporting assembly is arranged on the butt-joint base. According to the auxiliary mounting bracket provided by the invention, the siphon rainwater pipeline can be fixedly and firmly mounted under the condition that the siphon rainwater pipeline is not in direct contact with a steel structure column, and meanwhile, the perpendicularity of the pipeline can be effectively ensured; therefore, more inconvenience and operation potential safety hazards existing in the construction process of constructors in the steel structure column can be reduced or even effectively avoided, and the situation that the construction quality and progress cannot be guaranteed can be avoided.

The present invention relates to the field of degradable materials, and provides a biodegradable plastic product reinforcement material and a preparation method thereof, which is made of the following raw materials: polylactic acid modified by a shelled flame retardant polymer, a dandelion-shaped flame retardant, starch, a plasticizer, microcrystalline cellulose, polyhydroxybutyrate, an antioxidant, and a dispersant. Preparation method: First, the polylactic acid modified by a shelled flame retardant polymer, the dandelion-shaped flame retardant, the dispersant and the plasticizer are uniformly mixed by a melt blending method; then, starch, microcrystalline cellulose, antioxidant and polyhydroxybutyrate are added; finally, the obtained mixture is introduced into an extrusion film blowing machine, and is formed by hot melt extrusion blow molding technology. The core-shell structure flame retardant polymer and the dandelion-shaped flame retardant of the present invention have excellent flame retardancy, mechanical properties and environmentally friendly degradation characteristics. Therefore, the biodegradable plastic product reinforcement material of the present invention has excellent mechanical properties and flame retardancy, and has a wide range of application value.

The present invention relates to an egg sheath collection device and a collection method of American cockroaches. The egg sheath collection device comprises: a screening structure, which comprises a first screen and a second screen, the first screen and the second screen are connected to each other to form an inverted truncated cone, the first screen forms the upper surface of the inverted truncated cone, the second screen forms the side of the truncated cone, the aperture of the first screen is larger than the aperture of the second screen, and the lower end of the inverted truncated cone is an opening; a switch element, which is located at the opening of the lower end of the inverted truncated cone to selectively open / close the opening, and the switch element and the screening structure form a closed internal space; and a receiving device, which is connected to the lower end of the inverted truncated cone formed by the screening structure to completely receive the mixture with egg sheaths as the main part in the internal space when the switch element is opened. The present invention also relates to a method for collecting egg sheaths of American cockroaches, which is realized by the aforementioned egg sheath collection device of American cockroaches.

The utility model discloses a kind of suction screen supply integrated machines, it is related to metal 3D printing technical field, to solve the problem of powder processing in metal 3D printing relies on artificial.It includes powder suction feeding assembly, vibrating screen powder assembly, buffer feeding assembly, tail powder filtering assembly and equipment pipeline assembly;Equipment pipeline assembly connects each component, powder suction feeding assembly transports new powder, vibrating screen powder assembly screens new powder and recycled powder, buffer feeding assembly stores qualified powder and feeds 3D printing equipment, tail powder filtering assembly collects fine powder and realizes gas circulation, this integrated machine realizes powder processing full automation, without manual transfer, reduce labor cost and labor intensity, by pipeline transportation combination protective gas prevent powder contact air, damp, avoid the problem of delayed powder collection, powder mixing caused by manual operation, while eliminating personnel inhale harmful metal powder, safeguard health, applicable to metal 3D printing powder processing scene.

The application discloses a salicylaldehyde Schiff base corrosion inhibitor and a preparation and application method thereof. The corrosion inhibitor is salicylaldehyde condensation-1,3-propanediamine Schiff base 2. A nitrogen atom on a -RC=N- in a molecule and an oxygen atom adjacent to the nitrogen atom and having excess electrons form a stable coordination bond with a metal atom, and a dense adsorption protective film is formed on a low-carbon steel surface. In the application, anhydrous ethanol is used as a conventional reaction medium, and a high-purity target product can be obtained through one-step condensation at normal pressure and at medium temperature. The corrosion inhibitor does not contain heavy metals and strong toxicity groups, is green and environment-friendly, does not need special treatment after use, and further reduces application cost, and can be widely applied to corrosion protection scenes in an acidic environment of low-carbon steel.

This invention provides a connection device for a wooden column and a concrete foundation. A pre-embedded screw is embedded in the concrete foundation. A circular stone column base is positioned above the concrete foundation. A rubber moisture-proof and shock-absorbing pad is sandwiched between the circular stone column base and the wooden column. The wooden column has interconnected vertical pre-drilled holes and horizontal pre-drilled openings. The pre-embedded screw passes upwards through the circular stone column base, the rubber moisture-proof and shock-absorbing pad, and extends into the vertical pre-drilled hole of the wooden column. An eccentric wheel is assembled in the horizontal pre-drilled opening. An intercepting tooth spring is positioned on the outer circumference of the eccentric wheel to achieve unidirectional rotation and self-locking. The inner wall of the eccentric wheel cooperates with the pre-embedded screw. Rotating the eccentric wheel adjusts the installation height of the wooden column and achieves a tight connection. Grouting holes are opened on the wooden column or the circular stone column base to inject grout into the vertical pre-drilled holes for curing and sealing. This invention also provides a construction method for connecting a wooden column and a concrete foundation, using the connection device described above.

The invention relates to the technical field of plugging materials, in particular to a preparation method and application of a graphene / cellulose hybrid composite aerogel plugging material.The preparation method comprises the following steps that A, graphene oxide dispersion liquid is prepared and heated and stirred to adjust the pH value to 4.5-8.5; b, sequentially adding hydroxypropyl methyl cellulose, polyvinyl alcohol, polyacrylamide and a sodium borate solution into the graphene oxide dispersion liquid treated in the step A at intervals to obtain a modified graphene dispersion liquid; and C, heating, preserving heat and dialyzing the modified graphene dispersion liquid obtained in the step B, repeating freezing and unfreezing for at least two times after dialyzing, performing freeze drying, and performing thermal annealing treatment in an inert atmosphere to obtain the graphene / cellulose hybrid composite aerogel plugging material. The dense holes in the surface and the interior of the composite aerogel plugging material are beneficial to absorption of oil to form a more compact plugging network structure layer, a good filling and covering effect on cracks is achieved, and the cracks are effectively plugged.

This utility model relates to the field of environmental monitoring auxiliary equipment technology, specifically disclosing an environmental monitoring sample storage and transportation device, including a storage and transportation box, a sealing cover, a locking structure, a connecting plate, and a pull rod. The storage and transportation box has two storage chambers inside, and the inner walls of both storage chambers are hinged with sealing covers. The sealing covers have cavities inside, and each cavity of the sealing cover is equipped with a locking structure. A connecting plate is fixedly connected to one outer surface of the storage and transportation box, and a pull rod is provided at the upper end of the connecting plate. The locking structure achieves automatic locking through the linkage of a sliding block, a guide slide rod, a locking tongue, and a spring. When the spring is in its normal state, it pushes the locking tongue to insert into the lock hole in the storage chamber wall, ensuring that the sealing cover will not be accidentally opened during transportation. The sliding switch design takes into account both convenient operation and anti-accidental touch function. It can be unlocked by simply sliding and automatically resets and locks after being released, solving the problem of unstable locking in traditional devices and improving the safety of sample transportation.

This application relates to a nano-copper composite sponge, its preparation method, and its application. The nano-copper composite sponge comprises a polyurethane sponge substrate and modified nano-copper; the modified nano-copper has a core-shell structure, with the core being elemental nano-copper and the shell containing copper hydroxyl groups bonded to the surface of the elemental nano-copper; the copper hydroxyl groups in the shell undergo a nucleophilic addition reaction with the isocyanate groups in the polyurethane sponge substrate to form covalently linked urethane bonds, thereby uniformly loading the modified nano-copper into the polyurethane sponge matrix. The solution provided in this application enables deep composite bonding of nano-copper with a sponge substrate, resulting in a long-lasting, safe, and broad-spectrum antibacterial and antiviral functional sponge material.

This utility model belongs to the technical field of water treatment and composite steel plates, and discloses a composite steel plate and tank for treating highly corrosive industrial wastewater. The composite steel plate includes a steel plate base layer; an inorganic enamel layer disposed on one side surface of the steel plate base layer; an organic adhesive layer disposed on the other side surface of the steel plate base layer; and an organic anti-corrosion layer disposed on the side surface of the organic adhesive layer away from the steel plate base layer. The organic anti-corrosion layer is fixedly connected to the steel plate base layer through the organic adhesive layer. This utility model has a simple structure and is easy to manufacture. By constructing a dual independent protection system, it accurately matches the requirements of internal and external environments, greatly improving the leak-proof reliability and safety of the system, extending the safe operation cycle of the wastewater treatment equipment by a factor of two, and significantly reducing the overall cost throughout the entire life cycle.

This application relates to a modular pumped storage power station support structure, belonging to the technical field of power equipment technology. It includes a base plate, and the vibration isolation mechanism comprises multiple connecting plates. A limiting shaft is fixedly connected to adjacent sides of two sets of connecting plates. A connecting base is fixedly connected to adjacent sides of the two sets of connecting plates. A support shaft is fixedly connected to adjacent sides of the connecting base. Multiple sliding pads are slidably connected to the outside of the support shaft. A guide limiting assembly is fixedly connected to adjacent sides of the base and the base plate. This application features a design where, during vibration, the ground causes the base to slide. As the base slides, guided by the bottom guide block and sliding block, the support shaft and sliding pads slide, thereby isolating the connection between the base plate and the base, thus absorbing the impact force generated by vibration and significantly improving the device's seismic resistance.

This utility model provides a capacitor support, belonging to the field of capacitors. It solves the problem of power loss or short circuits that may occur after long-term use due to capacitors contacting the housing. This utility model includes a top shell and a bottom shell that interlock, a control board installed in the top shell, and several capacitors located below the control board. The key feature is that a capacitor support is provided below the capacitors for supporting them, several outer slots for housing the capacitors are provided above the capacitor support, a reinforcing rib is provided between every two vertical outer slots, and a blocking part for isolating the capacitors is provided within the outer slots. A supporting capacitor frame and a raised part for preventing capacitors from contacting the bottom shell are provided below the capacitor support. An annular groove is formed on the bottom shell, and a limiting protrusion perpendicular to the ground of the bottom shell is provided within the annular groove. An annular limiting part is provided below the capacitor support.

The utility model relates to the technical field of overhauling tools, and discloses a special tool for overhauling a direct current deicing device, which comprises a handle and a connecting piece, a screwdriver head is arranged in the connecting piece, one side of the outer wall of the connecting piece is fixedly connected with a connecting rod, one side of the outer wall of the handle is fixedly connected with a connecting head, and the connecting head is fixedly connected with the handle. A connecting box is fixedly connected to one side of the outer wall of the connector, a positioning assembly is arranged in the connecting rod and used for adjusting the length of the screwdriver rod, a sliding assembly is arranged on one side of the outer wall of the connecting rod and used for assisting adjustment of the screwdriver rod, and the positioning assembly comprises a fixing disc. The outer wall of the fixing disc is fixedly connected to the interior of the connecting rod. According to the screwdriver, the length of the screwdriver rod can be conveniently adjusted, operation inconvenience caused by the fact that the length of the screwdriver is fixed is avoided, the universality and scene adaptability of the screwdriver are enhanced, and the screwdriver head can be conveniently replaced through the arrangement of the elastic gasket.

The utility model discloses a horizontal shaft offshore wind generating set tower, and belongs to the technical field of wind generating set towers. Comprising a tower body and a floating seat, a first clamping ring and a first flange are fixedly arranged on the tower body, a bottom cylinder is fixedly connected with a conical frame, a positioning sleeve is matched with four pull rods to form a conical structure, and the conical frame is fixedly connected through a floating block and a connecting rod, so that the tower body is stably limited and inserted into the bottom cylinder and the positioning sleeve; fixing is achieved by installing a plurality of positioning bolts between the first flange and the second flange in a threaded mode, the whole floating seat is installed on the sea surface in a floating mode, in order to stabilize the floating seat, the four positioning mechanisms are connected with the seabed for limiting treatment, and floating installation is achieved; the first flange, the second flange and the positioning bolt are wrapped, the positioning bolt is prevented from making contact with air, rainwater can be avoided, moist air with salt can be isolated, and therefore the service life of the positioning bolt is prolonged.

The present invention discloses a fireproof structure of a steel-clad concrete beam with an additional steel plate cavity and a method thereof, comprising a structural beam-clad steel plate, an additional steel plate, stainless steel bolts, a rubber pad, a reserved steel pipe, cast-in-place concrete in the steel-clad beam, and a cement mortar layer. The beneficial effects of the present invention are as follows: the additional steel plate and the stressed trough steel are flexibly connected to form a whole, and can be hoisted as a whole with the trough steel; the additional steel plate and the stressed trough steel are flexibly connected, and the micro-deformation during the loading process of the steel-clad beam structure construction will not cause deformation of the cavity formed by the outer additional steel plate; the mortar layer formed by the additional cavity post-grouting can play the role of anti-corrosion, anti-rust and fire protection for the stressed trough steel, and has better stability and durability; and the later maintenance is simplified, and the maintenance cost is low.