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High true air pressure calciner
(1) structure and principle of vacuum cleaning furnace
In the low pressure vacuum burning, can make a variety of chemical fiber polymer decomposition, residues in the same furnace washed by water clean, automatic control, easy operation. Cleaning of spinneret, filter screen, filter core, screw rod and extruder die used for sticking material.
Vacuum cleaning furnace vacuum furnace, vacuum or incinerators, divided by shape vertical vacuum cleaning furnace, vacuum cleaning furnace, horizontal well type vacuum furnace, vacuum furnace cabinet, widely used in chemical industry, cleaning polyester polypropylene non-woven industries ordinary spinneret, shaped spinneret plate, and fine denier yarn the shell component, can also be used to clean the filter. It is made of the chemical fiber macromolecule polymer in the vacuum state of separating air and cracking at high temperature about 500 degrees. With less pollution to the environment, cleaning the spinneret plate clean, wire hole smooth, service life can be prolonged and spinneret and short work time, energy saving, convenient operation, good cleaning effect and high degree of automation. Is a substitute to replace three glycol cleaning furnace, salt bath furnace update. Cleaning vacuum cleaning furnace is also applicable to the plastics industry, die core.
Polyester, polypropylene and nylon reduced production components, spinneret, filter core, vacuum cleaning furnace is suitable for chemical fiber industry processing clean, also suitable for plastic extrusion industry mold cleaning purposes. Vacuum cleaning furnace using polymer melt at around 300 degrees, 300 degrees higher than the air can come cracking of more than 400 degrees in a small amount of air and the characteristics of complete oxidation of a vacuum environment, first heating the workpiece sticky polymer dirt to 300 degrees (according to process requirements, intended) so that the polymer melt quantity after flowing into a collecting container within the lower part of the furnace, and then the furnace temperature to 400-500 degrees, and open the vacuum pump, and a small amount of fresh air, so that the full oxidation of the remaining polymer, produce carbon dioxide, by spraying water through the water ring vacuum pump Suction, drained out of the furnace with water.
(two) the advantages of vacuum cleaning furnace
Vacuum cleaning furnace adopts stainless steel tube vacuum furnace direct heating, sealing parts are made of high temperature resistant sealing ring, without water cooling, so the vacuum cleaning furnace heating power, high thermal efficiency, fast heating, good temperature uniformity, convenient heater maintenance, a furnace outer heater heating power 40% 60%, water saving, and overcomes the water cooling of the furnace temperature uniformity, local cleaning effect is not good and other defects. With full automation performance of the vacuum cleaning furnace, as long as the program temperature control instrument input to the working procedure, equipment can carry out automatic cleaning work, without the need for manual intervention, and with over temperature, and lack of water or low water pressure alarm function.