43results about How to "Strong process versatility" patented technology

The invention relates to a method for comprehensively recovering valuable metals from electroplating waste mud. The method comprises the following steps of: leaching valuable metals contained in the electroplating waste mud by dilute sulphuric acid, and filtering and separating out acid-leaching slag and a filtrate; replacing copper ions in the filtrate by metallic iron, and filtering and separating copper powder and a filtrate; adding an alkali solution in the filtrate, adding a polymeric flocculant, controlling the pH value of the solution and reacting, and filtering and separating ferric hydroxide and a filtrate; adding the alkali solution in the filtrate, controlling the pH value of the solution and reacting, and filtering to obtain a chromium precipitate and a filtrate; adding the alkali solution in the filtrate, controlling the pH value of the solution, and converting zinc and nickel in the solution to nickel carbonate and zinc carbonate; and dissolving a nickel-zinc coprecipitate by the alkali solution, and filtering and separating out nickel carbonate and a sodium zincate solution, and concentrating and crystallizing the sodium zincate solution to obtain sodium zincate. The method disclosed by the invention is easy to control process conditions, low in treatment cost, and easy to realize large-scale production; the purpose of comprehensively recovering valuable metals is achieved by implementing harmless and resourceful treatment for the electroplating waste mud; and the recovery rate of copper is greater than 95%.

The invention belongs to the technical field of plating sludge treatment and discloses a method of comprehensively recycling valuable metals in plating sludge. The method comprises: extracting value metals from plating sludge by leaching, and isolating acid leaching residue and acid leaching liquid; adding iron powder, stirring, and filtering to isolate copper powder and a mother liquid; adding hydrogen peroxide and sodium carbonate solution, adding a composite flocculating agent so that iron ions in the solution form iron hydroxide precipitate and chromium ions form chromium hydroxide precipitate, wherein the precipitates settle fast, and isolating ferrochromium slag and a mother liquid containing zinc and nickel; using P507 extracting agent to extract zinc in the mother liquid containingzinc and nickel, back-extracting an organic phase via sulfuric acid to obtain zinc sulfate solution, and crystallizing to obtain zinc sulfate septahydrate; adding the sodium hydroxide solution into nickel raffinate, filtering to obtain nickel hydroxide precipitate, adjusting mother liquid pH to 7 for the filtrate through sulfuric acid, and crystallizing to isolate sodium sulfate decahydrate. Precipitate washing liquids herein are cyclically used, emission of wastewater is decreased, and significant economic and social benefits are created.

The invention relates to a gift box type white spirit automatic packing system. The gift box type white spirit automatic packing system comprises a splitting module, a white spirit support feeding module, a bottle feeding module, a box cover buckling module and a gift box discharging module which are arranged in sequence. A double-servo moving mechanism is arranged at the top end of a door type frame of the splitting module, the white spirit support feeding module, the bottle feeding module, the box cover buckling module and the gift box discharging module. A circulation feeding mechanism is coaxially arranged in the middle of the inner sides of the splitting module, the white spirit support feeding module, the bottle feeding module, the box cover buckling module and the gift box discharging module in the horizontal transverse direction. The circulation feeding mechanism is controlled by a system program for circulation running for conveying of a support bottom. Conveying belts are horizontally arranged on the two longitudinal sides of the circulation feeding mechanism respectively, and the conveying belts on the two sides are used for conveying bottles and gift boxes respectively. According to the system, the modular design production is adopted, and the number of the modules is increased and reduced according to different technical processes. The system is widely applied to white spirit package and production, the packaging efficiency is improved, and the packaging quality of products is guaranteed.

The invention discloses a self-luminous road pavement structure and a construction method thereof. The self-luminous road pavement structure comprises a water sealing layer, a water guiding layer, a permeable layer and a self-luminous surface layer, the water sealing layer, the water guiding layer, the permeable layer and the self-luminous surface layer are arranged from the bottom up in a layer-by-layer mode, the self-luminous surface layer is filled with artificial luminescent stone particles, road water removing can be accelerated through the structure, and the phenomena of instability of clearance and gravel embedded into a soil matrix are eliminated; and the construction method comprises the following steps that (1) the water sealing layer is poured; (2) the water guiding layer is paved; (3) the permeable layer is poured; and (4) the self-luminous surface layer is poured. According to the self-luminous road pavement structure and the construction method thereof, construction is convenient, universality of the technology is high, and cost engineering is saved.

The present invention relates to a novel dip forming method of a specific dry-type capacitor. An isolation screen is added. A core group, which dips the dipping material from bottom to upside, is adopted, and a glass rod is used in a diversion step. The core group is thoroughly solidified by the heat preservation of a multi-temperature zone. The purpose of the present invention is to solve the problems of dipping and an encapsulation of the specific capacitors and the relevant electronic equipments. With a strong technical generality, less implementation difficulty, little investment and stable and reliable quality, the dip forming can satisfy the requirements of the electronic equipment of miniaturization, dry-type (solidification), large span of working temperature-zones and strong environmental applicability. The present invention can be used for manufacturing specific capacitors which are applied to high current with high temperature and high voltage, such as a filter capacitor which is used for high-voltage electrical source of airplane, an engine-igniting capacitor, a deep-well pulse sound wave exploration etc. The present invention can also be used in the encapsulation field of high-performance electronic equipment.

The invention discloses a device and a method for purifying in treatment of volatile gas of a petrochemical coke cooling water tank. The device comprises a buffering tank, a condenser, a first ejector, a first cyclone absorbing tower, a spraying head, a second cyclone absorbing tower, a second ejector, an exhaust barrel, a second circulating pump, a second circulating tank, a first circulating pump, a first circulating tank, an air guide pipe and an absorbent circulating pipe. According to the device, waste gas is collected and exported from the petrochemical coke cooling water tank, the buffering tank is used for smoothening the flow and separating out more of easily-condensed oil gas and water vapor, and then the waste gas enters the condenser (the waste gas from the petrochemical coke cooling water tank is cooled to be less than 50 DEG C) and finally enters the absorbing towers; two-stage cyclone plate towers are connected in series to perform circular absorbing; two-stage parallel ejectors are mounted at the front and back of the absorbing towers to be used as gas exporting power; meanwhile, absorbents and waste gas are fully mixed and absorbed through the ejectors; the mixed liquid enters an absorbent circulating tank to be subjected to gas-liquid separation and finally the separated liquid enters the exhaust barrel to be exhausted. The device has the advantages of being efficient, energy-saving, safe, reliable, and long in service life.

The invention discloses a heat-resistant cross-linked high-density polyethylene pipe. The pipe is prepared from the following raw materials: high-density polyethylene, polybutadiene, 3methacryloyloxytrimethoxysilane, montmorillonite powder, an ethylene-vinyl acetate copolymer, a styrene-maleic anhydride copolymer, an olefin processing mixed additive, a lubricant, a cross-linking agent, an assistant cross-linking agent, polycarbosilane, N-ethyl-o-toluenesulfonamide, 4,4'-diaminodiphenyl sulfone, an ethylene-octene copolymer, cobalt sesquioxide, resorcinol and cordierite powder. According to theheat-resistant cross-linked high-density polyethylene pipe disclosed by the invention, the heat resistance and the creep resistance are improved, meanwhile, the ageing resistance, the mechanical property, the transparency and the like of the pipe are obviously improved, and if the crosslinking degree is improved, the improvement of the properties is more obvious. Meanwhile, the pipe has better chemical corrosion resistance and flexibility.

The invention relates to the technical field of composite materials, in particular to a composite material shaft tube connected with a metal connector, which comprises a shaft tube body and the metal connector, the shaft tube body comprises a non-matching area located in the middle and matching areas integrally formed at the two axial ends of the non-matching area, and a plurality of salient points or bosses are uniformly arranged on the outer surfaces of the matching areas around the circumferential direction; the number of the convex points or the bosses in each matching area is not less than 3, if the convex points are designed, at least one row of convex points are distributed in the axial direction, the number n of the convex points or the bosses meets the formula, and r is the outer radius of the non-matching area of the shaft tube body; l is the length of the boss in the axial direction or the total length of a row of salient points distributed in the axial direction in the axial direction; alpha is the maximum angle, except 90 degrees, in the laying layer angles; the metal connector is provided with a recess matched with the boss or the salient point, the metal connector is in clearance fit with the matching area, and a glue film is arranged on the peripheral face of the matching area in advance. The composite material axle tube can transmit enough torque (at least 1800 N.m).

The invention discloses a multipurpose metal film layer vacuum coating production line. The production line comprises an inlet chamber, an inlet buffer chamber, an inlet conveying chamber, a sputtering chamber, an outlet conveying chamber, an outlet buffer chamber, an outlet chamber and a quality inspection chamber, wherein the inlet chamber, the inlet buffer chamber, the inlet conveying chamber,the sputtering chamber, the outlet conveying chamber, the outlet buffer chamber and the outlet chamber are connected in sequence; transferring rollers connected with each other are arranged in the inlet chamber, the inlet buffer chamber, the inlet conveying chamber, the sputtering chamber, the outlet conveying chamber, the outlet buffer chamber and the outlet chamber; a film coating quality inspection roller and a quality inspection system are arranged in the quality inspection chamber; the transferring roller in the outlet chamber is connected with the film coating quality inspection roller;and the transferring rollers and the film coating quality inspection roller are used for transferring a film coating substrate. According to the multipurpose metal film layer vacuum coating productionline, mass and low-cost production of various coatings are achieved with high sputtering deposition rate and strong process universality; an element diffusion path is short with no intermediate product and no element evaporation, so that the preparation speed and the efficiency are high, the yield is 95% or above, and the production line is particularly suitable for large-scale industrial production.

The invention relates to an intermittent circulation rotary system and a machining method thereof. The intermittent circulation rotary system comprises a rack, an input end lifting mechanism, an output end lifting mechanism, an upper layer track, a lower layer track and trays. The rack is a rectangular cubic frame which is horizontally and transversely arranged. The input end lifting mechanism is installed at the input end of the rack, the output end lifting mechanism is installed at the output end of the rack, and the input end lifting mechanism, the rack and the output end lifting mechanism are horizontally and transversely arranged in a coaxial manner. The upper layer track and the lower layer track are installed in the rack in a vertically spaced manner. The multiple trays are horizontally installed on the upper layer track in a guide manner and sequentially connected end to end. The intermittent circulation rotary system can be widely adapted to different types of gift box type white spirit packaging boxes from different manufacturers. By reasonably splitting an original production technology and implementing an automatic solution at key points, targeted automatic production is achieved, packaging efficiency is improved, and product packaging quality is guaranteed.

The invention discloses a vertical composite film system continuous magnetron sputtering production line for automobile glass. The production line comprises a feeding section and a discharging section, the feeding section is sequentially connected with a group of primary vacuum chamber, low vacuum chamber, middle vacuum chamber and high vacuum chamber from front to back; the discharging section issequentially connected with the other group of high vacuum chamber, middle vacuum chamber, low vacuum chamber and primary vacuum chamber from front to back; a sputtering chamber comprises at least one coating subarea, each coating subarea is provided with at least one rotary cathode device, the rotary cathode device is connected with an angle adjusting device, and the angle adjusting device is connected with the anode boxes of the coating subareas through a plurality of connecting arms extending along the longitudinal axis. The vertical composite film system continuous magnetron sputtering production line for automobile glass provided by the invention can realize large-batch and low-cost production of various coating films, is high in sputtering deposition rate and high in process universality, and is particularly suitable for large-scale industrial production.