Enamel Ware Equipment Repair Technology
Chemical Enamel Ware can effectively repair equipment
, has been a concern and hope for the people, for which many domestic and foreign engineers of a number of repair techniques are summarized as follows:
1. Foreign Chemical Enamel Ware Equipment Repair Technology
1. With the gel solution Enamel Ware Chemical Equipment Repair
Major process
(1) "comprehensive corrosion control" Volume 8 of the 3,4, has published a patent with the United States, "the solution process by gel glass-lined equipment, methods of repair," The main process is:
Preparation of an organic metal compounds such as: metal alkoxides and alkaline phosphate, phosphoric acid as raw material, phosphorus-containing glass material for the base repair agent, a good brushing to clean up broken parts have been heated to the 300 - 350 form bottom patch layer. Prepared to silicon alkoxides, ethanol, water and acid solution, filling the upper repair agent for the raw materials, coating applied at the end of Putty has been covering the damaged surface of the heating layer formed on the patch.
In the repair agent curing process, the filler will form between the holes. To fill these holes to use to silicate, ethanol, water and acid solution as raw material to the perfusion fluid, filling holes. Then repeat the operation of heating, forming a small patch with a cavity layer.
(2) Disadvantages
repair complex process, not suitable for large-scale promotion of
difficult to guarantee the quality of repair when the temperature is too high and often heated Metal Halide Lamp, on the domestic Enamel Ware manufacturer's technical position, I am afraid only a few manufacturers can produce a reaction vessel at such high temperatures frequently no longer continue to burst porcelain.
repair process immaturity, needs repair cracks in the process of re-operation.
2. Tantalum corrosion resistant nut or bolt patch
In Nonstick Cookware layer and between the nut or bolt, for packing with PTFE sealing fastening (see U.S. Patent 2.631.360). Angle less than the R or damage to the larger it difficult to provide consistent configuration of bolts or nuts, but also because of aging or fastening loose Teflon cause media intrusion.
2. China Chemical Equipment Repair Technologies
High Pressure Sodium Lamp
1. Organic resins (including the import of all kinds of repair agent, polymer repair agent) Repair Act "poor aging resistance of organic materials, thermal expansion coefficient very different kettle body, difficult to ensure long life without warping. Any further an organic adhesive medium can not fully adapt to any erosion, but the actual chemical reaction, low temperature, neutral, corrosive media environment has very little difference.
2. Inorganic clay (ie clay diabase) repair method with the main process is a good clay coating, to be good care of immediate use. Less than that: a more dilute solution can not be resistant, easy to crack and patch size is limited.
3. thermal spray method of plastic repair the main process will be corrosion resistant plastic such as PPS can be made from the powder coating, plastic spray gun with special oxyacetylene flame spraying ceramic parts in the explosion, side spray side will have been sprayed up the plastic melting Afterwards, quenching. less than the coating layer and the substrate bonding strength is low; plastic corrosion resistance is limited; spray coating process of heating and quenching the end of the spray coating on sugar reactor burning poor quality may not be applicable; spray plastic construction required Enamel Ware Kettle conditions when the repair is not easy to meet. While many of these repair techniques or the existence of such kind of problems, the results should be recognized that many engineering and technical personnel in return for paying a huge price, but also play an important role to some extent. Precisely, the latter's success is standing on the shoulders of our predecessors made. Here, for the chemical
Aluminum Casting to repair technicians to contribute to pay tribute!
by: xiaojian
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