48results about How to "Uniform surface treatment" patented technology

The invention discloses a method for joint coating on pipeline by heat-shrinkable tape, which comprises the following process flows of: polarization treatment on the heat-shrinkable tape, blasting treatment on a surface of the joint coating, gas treatment on the surface of the joint coating, preservative treatment on the surface of the joint coating, wrapping the heat-shrinkable tape on the surface of the joint coating and other procedures. The method has the advantages of simple process, simple and convenient operation, strong bond strength, high anti-corrosive property, long service life, wide adaptive temperature range, and convenient construction, and is beneficial to popularization and application.

The invention discloses a steel pipe hot galvanizing device which comprises a hot galvanizing box. Opposite rollers are horizontally arranged in the hot galvanizing box. Each roller is rotationally connected with the hot galvanizing box through a power input mechanism. The inner diameters of the two ends of a to-be-galvanized steel pipe are connected with a horizontal movement mechanism through aclamping mechanism, wherein the horizontal movement mechanism is arranged on the outer side of the hot galvanizing box. The clamping mechanism comprises oppositely-arranged vertical plates, and rolling wheels are oppositely arranged on the opposite faces of the vertical plates. Each vertical plate is upwards connected with a height adjusting mechanism. One end of each height adjusting mechanism isconnected with a first nut. The first nuts are rotationally connected to a first lead screw. The first lead screw is arranged to be opposite towards the two ends from the center line. The first leadscrew is connected with the horizontal movement mechanism through a mounting plate. A zinc blowing mechanism is arranged on one side of the hot galvanizing box and is in sliding connection to a zinc blowing movement mechanism. The steel pipe hot galvanizing device has the advantages that uniform hot galvanizing and surface treatment after galvanizing are achieved, and the structure is simple.

The invention relates to a graphene/nano-silica/polystyrene hybrid material as well as a preparation method and application thereof. Graphene is dispersed into graphene dispersion liquid; then, a coupling agent and nano-silica are added; next, refined styrene is added; the mixture is emulsified and dispersed by a compound emulsifying agent water solution; after the ultrasonic dispersion, stable emulsified liquid is formed; next, the styrene is initiated by a water-soluble initiator to perform in-situ emulsion polymerization; a graphene/nano-silica/polystyrene emulsion is prepared, and is directly used for a water-soluble adhesive or a polymer emulsion system; or after the demulsification, the graphene/nano-silica/polystyrene hybrid material is prepared, i.e., styrene/SiO2 gel is used for adsorbing graphene; prepared graphene modified organic rigid particles are used as nanometer powder; the problem of difficult graphene dispersion is solved.

This surface processing apparatus has a reactor in which plasma is generated and a substrate whose surface is to be processed by the plasma is arranged, and a magnet plate for creating a point-cusp magnetic field distributed in an inner space of the reactor, in which the plasma is generated. The magnet plate has a plurality of magnets. These magnets are arranged by a honeycomb lattice structure in a circular plane facing in parallel a surface of the substrate. One magnetic pole end face of each of magnets is arranged at a position of each of the lattice points forming hexagonal shapes on the circular plane. The polarities of the magnetic pole end faces of two adjoining magnets are arranged to become opposite alternately. The magnet plate may be provided with a plurality of magnets arranged by a lattice structure forming a square and the magnetic force (coercive force) of some of the magnets arranged at the outermost region is reduced. Thereby, the periodicity of the point-cusp magnetic field in the inside space is maintained as much as possible even at the peripheral edge and the asymmetry of the distribution of the magnetic field at the region where the periodicity is disturbed at the peripheral edge is reduced.

The invention provides a surface disposal method for an electric iron metal soleplate, comprising the steps as follows: 1) substrate disposal: the surface of the substrate of the soleplate is treated, so as to comply with the basic requirement of spraying; 2) coating aging: the coating is sufficiently and uniformly dispersed; meanwhile, the impurities in the coating are filtrated; 3) spraying procedure: the coating is uniformly sprayed and coated on the surface of the substrate; 4) drying and cooling: the sprayed product is dried and cooled. The method of the invention effectively reduces the times of surface spraying in the production process, reduces the consumption in the practical production process, greatly reduces the complexity of the process in the whole machining process, thus improving the utilization ratio of the whole resource and improving the production efficiency and the comprehensive performance of the products. The method has uniform surface spraying, high temperature resistance and wearability of the oxide film and difficult decoloration, and contains no heavy metals, thus having simple technical process, low fabrication expense and low loss in the machining process.

The invention discloses a gun-barrel surface treatment process. A device used by the method comprises a device body, the device body is internally provided with a bluing processing cavity with an upward opening, an arc-shaped empty groove with an opening facing the processing cavity is formed in the periphery of the processing cavity in a communicating manner, a closing cover is arranged in the empty groove, the left side of the empty groove is provided with a rotating groove in a communicating manner, a rotating wheel is rotationally arranged in the rotating groove, and the right end of the rotating wheel and the left end of the closing cover are fixedly connected. The gun-barrel surface treatment process is simple in structure and convenient to operate; a threaded block is controlled bya pneumatic cylinder to move to be used for selecting a spline sleeve to perform rotation and rotation lifting operation, the closing cover is opened or closed through a linkage device, the automationdegree is high, and energy conservation and environmental protection are achieved; and treatment liquid is continuously at a suitable normal temperature through a temperature control device, and therotation of a filter net plate enables surface treatment to be uniform and cooling to be even, the precision of the device for gun-barrel surface treatment is improved, and the overall device is compact in structure, fully automatic and easy to operate.

The present invention relates to a surface treatment method for lithium cobalt oxide, comprising the steps of: (S1) mixing lithium cobalt oxide and an organic phosphoric acid compound; and (S2) heat treating and calcining the mixture prepared in step (S1). The surface treatment method of the present invention is simpler and has higher reproducibility than a conventional surface coating and doping technique, and can improve electrochemical characteristics by reinforcing the structural stability of lithium cobalt oxide. In addition, LiCoO₂ prepared by the surface treatment method of the present invention is structurally stable during charging/discharging and does not cause unnecessary phase transition, and thus has excellent lifetime characteristics.

A plasma processing apparatus M1 is provided with a processing part 20 for supporting a pair of elongate electrodes 30. The processing part 20 is provided with a plurality of pull bolts 52 (approach-deforming preventers) mutually spacedly arranged in the longitudinal direction of the electrode 30. A head part of each pull bolt 52 is hooked on a rigid plate 33 through a bolt holder 53, and a leg part thereof is screwed in the electrode 30. Owing to this arrangement, the electrodes 30 can be prevented from being deformed by Coulomb's force.

A method for sterilizing preform and resin container increases the sterilizing effect of hydrogen peroxide on a preform or a resin container. The present invention subjects the inner surface of a preform or a resin container to a corona discharge treatment including: a voltage application step for applying a voltage produced by a corona discharge to an electrode capable of passing through the opening in a preform or resin container comprising a material having polyethylene terephthalate as a principal component thereof; an insertion step for inserting the electrode to which the voltage has been applied into the preform or resin container through the opening; and a floor section treatment step for treating the inner surface of the floor section of the preform or resin container by bringing the electrode close to the floor section thereof, until the state of corona discharge from the electrode changes. Thereafter, the present invention subjects the preform or resin container to a sterilization treatment including a hydrogen peroxide supply step for spraying a hydrogen peroxide mist or gas or mixture thereof into the preform or resin container.

The invention provides a wire rod rolled product surface processing device, belonging to the technical field of metal surface processing. The invention solves the technical problems of small output, low efficiency, increased operation cost, unfavourable effect and the like of the existing wire rod rolled product surface processing device. The wire rod rolled product surface processing device of the invention comprises a material discharging rotary drum on which the wire rod rolled product is arranged, a casing and a material discharging door which is arranged on the lower part of the casing, wherein, the material discharging rotary drum can rotate, the upper part of the inner cavity of the casing is provided with a vertical rotary drum driven to rotate by a motor, and the outer side of the vertical rotary drum is provided with a rust removal mechanism; the inlet end of the wire rod rolled product passes through the casing to enter the inner cavity of the casing, the inlet end of the wire rod rolled product is coiled on the vertical rotary drum by a pressing mechanism, the lower part of the inner cavity of the casing is provided with a rotatable material receiving rotary drum, and the vertical rotary drum is connected with the material receiving rotary drum by a connection structure. The invention has the advantages of high efficiency, favourable descaling effect and rust removal effect and the like.

The invention provides a surface treatment method of a cleaning air inlet. The method has the advantages of uniformity in surface treatment and high efficiency, the surface roughness after treatment is within Ra0.6, and the surface roughness of an internal channel is within Ra0.4. The method comprises the steps of: placing a cleaning air inlet in a vibrating finishing machine, and grinding the surface of the cleaning air inlet by using a grinding medium, wherein the vibrating frequency of the finishing machine is 35-40Hz, the vertical amplitude is 6.0-6.25mm, and the horizontal amplitude is 6.75-7.0mm.

The present invention relates to a carbon black production apparatus which is provided with a reactor capable of uniformly oxidizing carbon black, thereby continuously surface-treating carbon black while producing raw material carbon black.