137results about How to "Prevent subsidence" patented technology

The utility model relates to sofa manufacturing technical field especially is involved in the enhancement design of packing and transportation of sofa, a full dismounting sofa bed, including support base and sofa cushion subassembly, its characterized in that: support base includes support frame, support bottom plate and is located at the detachable supporting leg of support frame four corners, sofa cushion subassembly includes seat cushion, back cushion and side stop pad, seat cushion is detachably connected with support bottom plate through magnetic connection component, and the detachable connecting component is equipped between side stop pad and support bottom plate, back cushion and support bottom plate.

This utility model discloses a wet mixing and stirring device for surface modification of silicon carbide powder, belonging to the field of silicon carbide powder processing technology. It includes a mixing tank with a bearing at the top and a rotating shaft passing through the bearing. A first fixing frame is fixedly connected to the top of the mixing tank, and a motor is fixedly connected to the first fixing frame. Its advantages are that by setting up a spiral stirring paddle, a frame-type stirring paddle, and shearing blades, thorough mixing of materials can be achieved. When the motor drives the rotating shaft to rotate, the spiral stirring paddle can transport the silicon carbide powder at the bottom upwards, while the frame-type stirring paddle stirs the material in the middle and upper parts. The two work together to form a three-dimensional mixing effect, effectively preventing the silicon carbide powder from settling due to its high density. At the same time, the shearing blades on the inner wall of the frame-type stirring paddle can break up agglomerated powder, further improving the mixing uniformity and ensuring sufficient contact between the modifier and the silicon carbide powder, solving the problem of uneven mixing caused by traditional single stirring paddles.

The invention discloses a chip continuous extraction device for a dry etching machine, and belongs to the technical field of semiconductor manufacturing equipment. Comprising a magnetic levitation conveying mechanism and a cleaning module, the magnetic levitation conveying mechanism comprises a track base plate, a motor stator module and a magnetic levitation and air floatation supporting plate, the motor stator module is arranged in the track base plate, the magnetic levitation and air floatation supporting plate is located above the motor stator module, and a limiting ring is arranged on the edge of the magnetic levitation and air floatation supporting plate; a multi-cavity air path structure is arranged in the magnetic suspension air floatation supporting plate, a permanent magnet array is arranged at the bottom of the magnetic suspension air floatation supporting plate, air floatation micropores are formed in the upper surface of the magnetic suspension air floatation supporting plate, and the cleaning module comprises an air supply module and an air return module. According to the invention, continuous and uninterrupted assembly line type extraction and on-line processing of chips from an etching machine to downstream equipment are realized, and the production efficiency, the positioning precision and the cleanliness are remarkably improved.

A kind of double half-ring type anti-settling buried protection device, including buried cylinder, buried upper cover and two clamps;The buried cylinder is the cylinder that is permeable up and down, the upper end of the buried cylinder is integrally formed with the detection cylinder section for built-in installation and protection gas detector;The buried upper cover can be detachably installed at the upper end of the detection cylinder section, for closing the upper port of the detection cylinder section, so as to protect gas detector when burying;Two clamps are detachably connected together and tightly embrace on the outer circumference of the detection cylinder section;The outer circumference of the clamp is integrally formed with anti-settling half-ring, and two anti-settling half-rings are synthesized into whole circular anti-settling ring.The buried cylinder of the utility model can effectively increase the contact reliability with the earth by two anti-settling half-rings, so that the buried cylinder can be stably fixed in the earth, the pressure capacity of buried protection device is enhanced, and settlement is avoided, and the design of two clamps can effectively reduce the installation difficulty of the whole device.

The utility model discloses a microcapsule spray dryer for producing emulsified powder essence, which realizes vertical circulating stirring of raw materials in a material storage tank through the rotary motion of a spiral conveying shaft in a material guide barrel; the spiral conveying shaft pumps the raw materials located on the lower portion of the material storage tank upwards along the material guide barrel, then the raw materials flow back through the upper end of the material guide barrel, and circular flowing of the raw materials in the vertical space is achieved. Therefore, the phenomena of local deposition and layering of the raw materials in the storage tank are avoided. Especially for emulsion with large density difference between the wall material and the core material, layering phenomena such as wall material sedimentation and core material oil phase floating are effectively prevented, the uniformity and the stability of the raw materials in the storage process are remarkably improved, and then the embedding rate and the structural integrity of the microcapsule are improved.

The utility model relates to the technical field of ceramics, and provides a ceramic raw material stirring device which comprises a main frame, a driving motor is arranged on the side face of the main frame, a first transmission wheel is fixedly connected to the output end of the driving motor, and a first connecting column is fixedly connected to the side, close to the main frame, of the first transmission wheel. A first spiral column is fixedly connected to the side face of the first connecting column, a plurality of shearing gears are rotationally connected to the surface of the first spiral column, a second connecting column is fixedly connected to the side, close to the main frame, of the fourth transmission wheel, and a second spiral column is fixedly connected to the side face of the second connecting column. Through the design of a combined flow field of axial pushing and radial turbulence, the defect of'plunger flow 'of traditional spiral stirring is effectively overcome, axial flow and radial flow are overlapped to form a complex mixed flow field, ceramic particles and additives can be efficiently mixed, heavy particle sedimentation caused by centrifugal force is avoided, and mixing uniformity is remarkably improved.

This utility model discloses a limiting manhole ring for anti-settlement manhole covers, including a base layer, a ground layer, and a limiting mechanism. The ground layer is laid on top of the base layer, and the limiting mechanism is set inside the base layer and the ground layer. The limiting mechanism includes a well hole, an insertion hole, a support ring, a reinforcing bar, a concrete manhole ring, and a ring-shaped reinforcing bar. The well hole is opened inside the base layer, and the top of the well hole penetrates the ground layer. The insertion hole is opened vertically on the outer periphery of the well hole inside the ground layer, and the bottom of the insertion hole extends into the base layer. When the manhole ring and the manhole cover are under pressure, the pressure at the pressure point can be dispersed and transmitted to the interior of the base layer because the position of the support ring is fixed. At the same time, because the reinforcing bar is embedded in the concrete, its position is fixed, and the support ring will not tilt or settle, thereby improving the stability of the concrete manhole ring. It can still avoid settlement problems after long-term pressure and maintain the smoothness of the road surface.

The utility model discloses an anti-sedimentation structure of a drill rod passing cement umbrella, and particularly relates to the technical field of well cementation mechanical equipment, the anti-sedimentation structure comprises a cement umbrella main body, an anti-sedimentation assembly is arranged outside the lower end of the cement umbrella main body, a plurality of cement umbrella supports are arranged at the upper end of the cement umbrella main body, and first connecting hinges are arranged on the outer side end faces of the cement umbrella supports; a mounting sleeve is arranged in the middle of the anti-sedimentation assembly, and an anti-sedimentation supporting rod is arranged outside the mounting sleeve. In the actual use process, under the corresponding arrangement state of the anti-sedimentation supporting rod, the tension spring, the supporting plate and the supporting insertion rod, the rotary connecting piece and the first connecting hinge can be tensioned through the tension spring, the anti-sedimentation supporting rod can be unfolded outwards through the contraction force generated by the tension spring, the supporting plate is attached to the interior of a drilling well, and therefore the anti-sedimentation supporting rod and the supporting insertion rod are fixed. After the cement umbrella main body is subjected to the gravity of cement paste, the supporting insertion rod is inserted into the inner wall of a drilling well, so that the cement umbrella main body is supported through the mounting sleeve and the anti-settling supporting rod.

The invention relates to the technical field of pile foundation construction, in particular to a pile foundation air bag pressure sectional type inflation device and a construction method thereof.The device comprises columns installed at the bottom and the side of a pile foundation and pressure air bags arranged at the bottoms of the columns; the inflation main pipe penetrates through the top of the column body and is connected with the pressed air bag through a pressure supporting structure; the sectional type inflation structures are arranged in the side wall of the column body side by side and connected between the pressed air bag and the inflation main pipe, and the problems that in the prior art, the dynamic pressure problem faced by a pile foundation in the construction process is not effectively solved, and under most conditions, existing supporting measures cannot adapt to the change of soil layer stress in real time, and the construction cost is lowered are solved. The problems that the bearing capacity of a pile foundation is reduced due to the fact that the existing air inflation device is used for inflating the pile foundation, and when a traditional air inflation device deals with complex pressure changes, the traditional air inflation device can only achieve an overall air inflation state and lacks adaptive adjusting capacity for local stress changes, so that the pile foundation is prone to being affected by uneven stress, and the structure failure risk is increased are solved.

This invention discloses a sludge thickening tank for wastewater treatment plant construction, belonging to the field of sludge thickening technology. It includes a thickening tank with a conical sludge hopper at the bottom and a sludge discharge port at the bottom of the hopper. A sludge discharge pipe is located at the lower end of the discharge port. An overflow weir is slidably connected to the inner curved surface of the thickening tank, and a clear water tank is fixedly connected to the lower end of the outer curved surface. A fixed plate is radially fixedly connected to the upper end of the clear water tank, and a stirring assembly is fixedly connected to the middle of the fixed plate. A fixed chamber is fixedly connected to the upper end of the stirring assembly, and a second drive motor is fixedly connected to the upper end of the fixed chamber. An intermediate shaft and a retraction rod are slidably connected to the fixed chamber. This invention achieves advantages such as high-efficiency thickening, intelligent control, and wear resistance through an innovative structure of adjustable overflow weir + intelligent valve + dual-drive stirring, while also considering ease of operation and safe maintenance, making it suitable for modern wastewater treatment needs.

The invention relates to an anti-sedimentation bridge girder erection machine front supporting leg device and a construction method thereof.The anti-sedimentation bridge girder erection machine front supporting leg device comprises a main beam, a lifting mechanism and a supporting rod, the lifting mechanism is provided with a first connecting part and a second connecting part, the supporting rod is provided with a first connecting matching part and a second connecting matching part, and when the first connecting part is connected with the first connecting matching part, the second connecting matching part is matched with the first connecting matching part; when the second connecting part and the second connecting matching part are disconnected, the supporting rods are static relative to the lifting mechanism, and the second connecting part and the second connecting matching part are connected, the first connecting part and the first connecting matching part are disconnected, the lifting mechanism drives the supporting rods to move downwards, automatic plug pin mechanisms are arranged on the supporting rods, and a movable beam is arranged between the two supporting rods. According to the anti-sedimentation bridge girder erection machine front supporting leg device and the construction method thereof, the supporting rods are pressed by the oil cylinders to be inserted into a seabed or a riverbed to avoid sedimentation of the bridge girder erection machine during construction, the bottom ground supporting area is increased through the movable beams, stress is uniform and reasonable, safety and reliability are achieved, and the safety and stability of the bridge girder erection machine are enhanced.

The utility model discloses a preparation device of a positive electrode core-shell structure precursor, and relates to the technical field of lithium batteries, a plurality of stirring devices arranged at intervals along the length direction of a horizontal reaction kettle are inserted in each stage of horizontal reaction kettle, so that shear force and turbulent flow generated by stirring can be transmitted to the whole reaction liquid, and sufficient mixing and uniformity of the reaction liquid are ensured. Compared with a vertical reaction kettle, the horizontal reaction kettle is relatively low in height and is easier to transversely arrange and expand, the limitation that the stirring efficiency of the vertical reaction kettle is reduced due to volume increase is broken through, and large-scale production is favorably realized. The multiple stages of horizontal reaction kettles are sequentially connected in series, so that the reaction process is continuously carried out, and the overall production efficiency and yield are improved. The layout and stirring of the plurality of stirring devices are matched with the continuous flow of the reaction liquid among the multi-stage reaction kettles, so that solid particles are always kept in a suspended state and are prevented from settling to the bottom, particle dispersion is not required to be maintained by depending on too high stirring speed and frequent stirring like a vertical reaction kettle, and the energy consumption is reduced.

The invention relates to the technical field of chemical monitoring, in particular to an N-methylaniline impurity online spectrum monitoring device which comprises a bottom rack, a plurality of glass boxes are evenly arranged on the bottom rack in the length direction, the glass boxes sequentially have different deflection angles, and the deflection angle difference values of the adjacent glass boxes are equal; by arranging the multi-angle deflection glass box, static and multi-angle static monitoring of N-methylaniline is realized, spectral characteristics of impurities in different directions can be effectively captured, and slow rotation of the glass box further drives the internal N-methylaniline to change angles, so that a light source can fully irradiate, and the detection accuracy is improved. Impurities possibly hidden due to local gathering are repeatedly exposed in dynamic rotation, a monitoring blind area is eliminated, the comprehensiveness of impurity detection is remarkably enhanced through the steps, and the accuracy of a monitoring result can be greatly improved especially for trace impurities which are not evenly distributed.

This invention discloses a corona-resistant insulating varnish for enameled wire and its preparation method, belonging to the technical field of insulating coatings. The raw materials for preparing the corona-resistant insulating varnish for enameled wire include aromatic tricarboxylic anhydride, aromatic diisocyanate, and hydroxyl-modified composite nanoparticles; the hydroxyl-modified composite nanoparticles comprise silica nanoparticles and layered double hydroxides. This invention significantly increases the hydroxyl modification density by introducing layered double hydroxides and silica composites, enabling the composite particles to be covalently anchored to the prepolymer backbone through esterification, resulting in uniform release after curing. This achieves a balance between storage stability and curing uniformity, making it suitable for enameled wire applications in high-voltage motors.

This invention discloses a tunneling device for pipe jacking construction, relating to the field of pipe jacking construction technology. The device includes a main body, comprising a tunneling head, with a tunneling connecting pipe connected to its end. The tunneling connecting pipe is connected to a connecting pipe at its end. It also includes an anti-settlement mechanism, which is located at the end of the tunneling connecting pipe and outside the connecting pipe. Each positioning mechanism has an adjusting mechanism inside, and a supporting mechanism is located inside each adjusting mechanism. A connecting mechanism is provided between the positioning mechanism and the end of the tunneling connecting pipe. The anti-settlement mechanism includes an outer support sleeve, an inner compression sleeve inside the outer support sleeve, and a tail plate at the ends of the outer support sleeve and the inner compression sleeve. An injection port is provided in the tail plate. This tunneling device for pipe jacking construction can fill the gap between the connecting pipe and the soil during use, and can also prevent the pipeline from shifting its axis.

The present application relates to a kind of probiotic oil agent for improving non-alcoholic fatty liver disease, preparation method and application, the probiotic oil agent includes active ingredient A and active ingredient B, the active ingredient A is mucinophilic Akkermansia Akk11, and the preservation number is CCTCC NO:M2024119;The active ingredient B is Omega-3 fatty acid.The present application is combined with mucinophilic Akkermansia Akk11 and Omega-3 fatty acid, and is prepared into oil agent, and the improvement of NAFLD symptom can play the coordinated synergistic effect, can be used for the prevention and treatment of NAFLD.

The utility model discloses a kind of catalyst activation liquid concentration devices, it is related to catalyst production field, including concentration bucket;Control panel is set to the outside middle part of concentration bucket;Feed pipe is set to the outside top of concentration bucket, discharge pipe is set to the outside bottom of concentration bucket;Collecting mechanism is set to the top end of concentration bucket, realize the water vapor produced when collecting activation liquid concentration;Stirring assembly is set to the inside of concentration bucket, realize to activation liquid is fully stirred.The utility model can gather and guide to water vapor, and smoothly guide to connecting pipe, under the action of inflow chamber, pressurizing port and diffusion chamber, avoid water vapor in long connecting pipe Steam retention or condensation in advance situation, simultaneously utilize cutting block to the high-speed shearing and cutting of small agglomerate particle, avoid producing local concentration uneven or particle settlement, so that activation liquid raw material is heated more evenly, improve the finished product quality of concentrated solution.

The application discloses an inorganic copolymer anticorrosive paint and a preparation method thereof, and relates to the technical field of paints. The inorganic copolymer anticorrosive paint comprises the following raw materials in parts by weight: 20-30 parts of silica sol, 8-15 parts of sodium hydroxide, 30-45 parts of metakaolin, 8-20 parts of quartz sand, 15-25 parts of water, 0.3-2 parts of sodium polyacrylate, 0.2-3 parts of polydimethylsiloxane emulsion, 5-12 parts of modified nanometer titanium dioxide, 6-10 parts of modified epoxy resin, 10-25 parts of hydroxyethyl methacrylate, 5-10 parts of zinc phosphate, 3-8 parts of aluminum tripolyphosphate and 2-6 parts of red iron oxide. The inorganic copolymer anticorrosive paint has scientific raw material proportioning, and the anticorrosive performance is enhanced through the modified nanometer titanium dioxide and the epoxy resin. In the preparation, step-by-step feeding and ultrasonic dispersion are adopted to ensure that the materials are uniform, and vacuum degassing and nitrogen protection are adopted to improve the stability. The silica sol, the zinc phosphate and other components have a synergistic effect, a dense coating is formed, the anticorrosive performance is high, the construction performance is good, and the inorganic copolymer anticorrosive paint is suitable for various scenes.

This invention discloses a polyvinylidene fluoride (PVDF) resin, its preparation method, and its application. The preparation method includes the following steps: (1) preparing PVDF resin emulsion particles by emulsion polymerization of PVDF monomer; (2) adding a reducing agent and a fluorinated solvent to the obtained PVDF resin emulsion particles; (3) adding PVDF monomer, a dispersant, and an oil-soluble initiator to the emulsion obtained in step (2), and then heating to carry out a suspension polymerization reaction; (4) separating the product after the suspension polymerization is completed to obtain the PVDF resin. The PVDF resin of this invention has high flexibility, high product purity, and high adhesion.

This invention provides a water-based self-cleaning superhydrophobic coating, its preparation method, and its application. The water-based self-cleaning superhydrophobic coating comprises the following components in parts by weight: 0.1-0.2 parts acrylic monomers, 5-15 parts acrylate monomers, 6-12 parts acryloyloxysilane coupling agent, 14-26 parts F-SiO2 particles, 0.1-5 parts additives, and 54-68 parts solvent; wherein the F-SiO2 particles are SiO2 modified with a fluorosilane coupling agent. The coating of this invention exhibits excellent superhydrophobic, oleophobic, chemically resistant, and self-cleaning properties. The static contact angle of the coating with water reaches over 165°, demonstrating outstanding superhydrophobic and self-cleaning properties, superior to most commercially available hydrophobic and oleophobic acrylic resins. Furthermore, this invention also offers advantages such as zero VOC emissions, non-flammability, safer transportation and storage, shorter drying time, and lower environmental requirements.

The invention relates to the technical field of aluminum alloy semi-solid processing, and provides a semi-solid slurry flow guide device for aluminum alloy, which comprises a shell, the bottom of the shell is fixedly connected with a rack, one end of the shell is fixedly connected with a feeding pipe, the other end of the shell is fixedly connected with a discharging pipe, and a material shifting mechanism is arranged at one end, close to the feeding pipe, of the inner side of the shell. The material stirring mechanism comprises two rotating plates which are arranged in parallel, a plurality of material stirring plates are fixedly connected between the two rotating plates, a plurality of electric heating pipes are arranged between every two adjacent material stirring plates, a first support is fixedly connected to the outer side of the rack, and a first motor is fixedly installed at the top of the first support; a flow guide mechanism is rotationally connected to the middle of the inner side of the shell, a filter screen is fixedly connected to the end, close to the discharging pipe, of the inner side of the shell, a stirring mechanism is arranged on one side of the filter screen, and a cleaning mechanism is arranged on the other side of the filter screen. Through the innovative mechanism design, the key problem in the aluminum alloy semi-solid slurry diversion process is solved.

The utility model discloses a gear pump heat dissipation device in the technical field of gear pumps, which comprises a box body and a dust removal water tank, the dust removal water tank is fixedly connected to the upper side of the left side wall of the box body, frames are embedded in the lower sides of the left side wall and the right side wall of the box body, and the left side wall and the right side wall of an inner cavity of each frame are fixedly connected with heat dissipation fans. A dustproof net is fixedly connected between the inner side walls of the frame, an air expanding nozzle is fixedly connected to the top of an inner cavity of the box body, a small air conditioner is fixedly connected to the left side of the top of the box body and communicates with the air expanding nozzle through a pipeline, and a pump body is fixedly connected to the bottom of the inner cavity of the box body. The heat dissipation device for the gear pump is reasonable in structural design, auxiliary heat dissipation can be carried out on the gear pump, the heat dissipation efficiency of the gear pump is improved, dust in air can be prevented from settling on the gear pump, and the dustproof capacity of the gear pump is improved.

The utility model discloses a kitchen garbage recycling device which comprises a recycling bin, a support is installed below the recycling bin, a motor is fixedly installed in the center of the bottom of the recycling bin, the output end of the motor is connected with a stirring shaft, a clamping groove is formed in the bottom of the stirring shaft, and a first stirring blade is arranged on the top of the stirring shaft. The second stirring blade comprises a stirring blade body, a convex strip, a connecting block, a fastening screw rod and a valve barrel, the valve barrel is arranged on the outer side of the bottom of the recycling barrel, a valve plug is arranged in the valve barrel, a valve rod is connected to the lower portion of the valve plug, a discharging barrel is connected to the middle of the valve barrel, and an electric telescopic rod is arranged on the outer side of the valve barrel. And the extension end of the electric telescopic rod is fixedly connected with the bottom end of the valve rod. According to the kitchen waste recycling device, heavy kitchen waste is prevented from settling at the discharging pipe, uniform pulping of the kitchen waste is facilitated, and the pulping efficiency is improved through rotation of the multiple stirring blades.

The invention discloses a low-carbon concrete nano C-A-S-H seed crystal enhancer as well as a preparation method and application thereof. The reinforcing agent comprises the following raw materials in parts by weight: 150-200 parts of water, 20-25 parts of sodium silicate nonahydrate, 15-20 parts of calcium nitrate tetrahydrate, 5-8 parts of aluminum nitrate nonahydrate, 1-4 parts of a polycarboxylate superplasticizer, 1-4 parts of sodium hydroxide, 0.5-2 parts of a silane coupling agent and 0.5-2 parts of a sodium polyacrylate dispersing agent. The preparation method comprises the steps of dissolution, precipitation reaction, dispersion modification and pH adjustment. According to the invention, by optimizing the molar ratio of silicon to aluminum and constructing a composite dispersion system, the technical problems of easy agglomeration, poor stability and poor compatibility with a water reducing agent of the nano seed crystal are solved. When 0.5-2% of the additive is applied to concrete, the early strength can be remarkably improved, the workability maintenance can be improved, the activity of solid wastes such as fly ash and the like can be effectively excited, and a key technical support is provided for preparing high-performance low-carbon concrete.

This utility model discloses a dust collection device for a pipeline dust removal outlet, belonging to the field of dust collection device technology. It includes a housing fixed to the lower end of a pipeline, with a slag inlet connected to the pipeline at the upper end of the housing. It also includes a spraying mechanism and a negative pressure vacuum cleaner. The spraying mechanism is connected to one side of the housing, and the negative pressure vacuum cleaner is fixed to the upper end of the housing. The upper end of the housing has several suction ports, and the negative pressure vacuum cleaner is interconnected with these ports. A slag outlet is located on the other side of the housing. Advantages of this utility model: In this embodiment, the spraying mechanism uses a water pump to drive water from a nozzle towards the area below the slag outlet inside the pipeline within the housing, thus preventing dust from adhering to water molecules and settling, effectively improving dust settling efficiency. The negative pressure vacuum cleaner can vacuum up unsettled dust and simultaneously absorb mist generated within the housing, further improving the dust removal effect.

The utility model provides an anti-settling high-efficiency mixing device for water-based paint production, which comprises a mixing tank, a driving unit, a rotating main shaft, an upper-layer axial-flow paddle, a lower-layer radial-flow paddle and a bottom scraping and sweeping unit, the driving unit is arranged at the top of the mixing tank, the output end of the driving unit is fixedly connected with the top end of the rotating main shaft, and the bottom scraping and sweeping unit is arranged on the rotating main shaft. The rotating main shaft extends into the mixing tank from the top of the mixing tank along the central axis of the mixing tank, the bottom end of the rotating main shaft is hinged to the bottom of the mixing tank, and the upper-layer axial-flow type paddle, the lower-layer radial-flow type paddle and the bottom scraping and sweeping unit are fixedly connected with the rotating main shaft and are sequentially arranged along the rotating main shaft from top to bottom; an inclined angle is formed between the blade surface of the upper-layer axial-flow type blade and the horizontal plane; and the lower-layer radial flow type paddle is a turbo type paddle. A three-dimensional circulating flow field is formed in the tank body, mixing dead angles at the center of the tank bottom and the corners of the tank wall are eliminated, and sedimentation of pigment and filler in water-based paint is effectively prevented.

The present application relates to a kind of refractory dispersant and its preparation method in the technical field of refractory additive, it is the comb structure copolymer, the copolymer includes styrene-maleic anhydride copolymer main chain, polyethylene glycol side chain grafted on the styrene-maleic anhydride copolymer main chain by ester bond, and phosphate radical;The polyethylene glycol side chain includes short-chain polyethylene glycol with molecular weight of 400-600 and long-chain polyethylene glycol with molecular weight of 800-1200.The present application realizes the precise division of function by using asymmetric compound polyethylene glycol side chain of specific molecular weight range, and controls esterification grafting degree is 50%-85%, not only can provide excellent initial wetting and dispersion force, ensure that slurry has excellent construction fluidity, but also can effectively prevent particle re-aggregation and sedimentation under static or shear, so as to fundamentally solve the technical problem that traditional dispersant is difficult to consider high initial fluidity and long-term anti-settling property, plasticity.

The invention discloses two-component organic silica gel as well as a preparation method and application thereof. The two-component organic silica gel comprises a component A and a component B, the component A and the component B both comprise modified hollow glass beads; the modified hollow glass beads are obtained by modifying hollow glass beads with a modifier; the modifying agent is prepared from trimethoxy single-end-capped polydimethylsiloxane. The hollow glass beads are modified by adopting a specific modifier, so that the dispersion stability of the beads in a matrix is improved, the beads are prevented from floating or settling in the curing process, the interface bonding strength between the beads and the matrix is enhanced, and the thermal conductivity of the hollow glass beads is improved while the overall mechanical property, heat conduction capacity and mass density of the material are maintained. The thermal expansion behavior is obviously improved.

The utility model belongs to the technical field of cable production, and discloses a high-voltage cable graphite coating device which comprises a base. Two charging barrel units which are coaxially placed are fixed on the base, the charging barrel units are horizontally placed, and cavities for storing graphite slurry are formed in the charging barrel units; vertically upward grouting pipes are fixed to the tops of the charging barrel units, storage barrels for storing graphite slurry are fixed to the upper ends of the two grouting pipes, cavities in the charging barrel units are in through connection with the interiors of the storage barrels through the grouting pipes, and stirring mechanisms for stirring the graphite slurry are arranged in the storage barrels; through the arrangement of the two grouting pipes, graphite slurry in the material storage barrel continuously flows into the two charging barrel units, so that the graphite slurry in the two charging barrel units is always in a full state, the requirement of frequent shutdown for slurry supplementation is reduced, meanwhile, the phenomenon that the peripheral wall of the upper end of a cable is missed to be coated due to insufficient slurry is effectively avoided, and the service life of the cable is prolonged. And the uniformity and integrity of the graphite coating are ensured.

This invention discloses a herbal skin-nourishing cream based on bamboo shoot extract as a solvent and its preparation method. The herbal skin-nourishing cream comprises an oil phase: petrolatum, squalane, dioctyl ether, glyceryl stearate, PEG-100 stearate, hydroxypinazone retinate, natural emulsifier, beeswax, tocopherol, cyclopentamethoxysiloxane, and oil-soluble fragrance; ethylhexylglycerin, niacinamide, and 10% citric acid are used to adjust the pH to 6.0-6.3. The aqueous phase comprises: pentylene glycol, panthenol, capryloyl hydroxamic acid, sodium hyaluronate, xanthan gum, dipotassium glycyrrhizate, sodium chloride, phenoxyethanol, p-hydroxyacetophenone, cellulose gum, and disodium EDTA; the balance is bamboo shoot extract. The average particle size of this invention is 1-5 μm, and the viscosity is 5000-8000 mPa·s. It has undergone heat resistance, cold resistance, centrifugal stability tests, and preservative challenges, demonstrating no stratification or deterioration. Human patch tests have proven its suitability for sensitive skin.