With the sound and rapid development of China's economy, and the research on new product development and new technologies in the above-mentioned related industries, the demand for new drying technologies is increasing. However, as far as China's current drying technology progresses, the overall technical level is still lagging behind. State, it is difficult to meet the needs of relevant industries due to economic development and product optimization structure and new product development. According to the market dynamic research and related information, the dry production of liquid materials with easy oxide materials and organic solvents in most pharmaceutical, biochemical, and fine chemical industries in China is still produced by vacuum entrainment heating. Vacuum drying, low boiling point (in the state of vacuum -0.085Mpa, when the heating temperature reaches 90 °C, the moisture is vaporized), and the oxidation resistance (vacuum drying by jacket heating, the heat transfer gas is not Direct contact with the material avoids the advantages of easy oxide material damage caused by oxidation during the drying process. Therefore, vacuum drying technology is still widely used in the above related industries. However, vacuum drying is a gap production with a single charge, so its production capacity is greatly limited, and at the same time, it is difficult to achieve recovery of the organic solvent in the drying process, thereby causing serious environmental pollution. Therefore, vacuum drying technology is difficult to meet the needs of contemporary related industries to optimize product structure and new product development and industrial production.
Sack Gabion
Sack gabion is
cylindrical basket made of 8x10 double twisted steel woven wire mesh,
with mechanical characteristics higher than the ones suggested from EN
10223-3. It's filled with stones at the project site to form flexible
and permeable structures used for emergency and river training works
where local conditions require fast installation or where the water does
not allow for easy access to the site and where underwater installation
is necessary.
Sack gabions are
supplied with steel reinforcing wires inserted during the manufacturing
process to facilitate closing during installation. The wire used for
the manufacture of gabion shall have a tensile strength between 3
80-550N/mm2 exceeding, in order to increase the tensile resistance of
the finished products, what is suggested from EN10223-3. Wire tolerances
are in accordance with EN 10218. Elongation shall not be less than 10%,
according to EN 10223-3. Test must be carried out on a sample at least
25 cm long. Meantime the adhesion of the zinc coating to the wire shall
be such that, when the wire is wrapped six turns around a mandrel having
four times the diameter of the wire, it does not flake or crack when
rubbing it with the bare fingers.
Sack Gabion Specification
Surface treatment: electro galvanized or hot dipped galvanized
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