Description
PA vacuum dryer in the chemical industry, especially widely used in organic semi finished and dye industry, using steam or thermal oil or water into the jacket indirect heating materials, in a vacuum pumping wet, so especially suitable for drying in high temperature and under high temperature, easy oxidation of materials, as well as in drying process easy to produce dust and solvent drying recovered materials. This machine has the advantages of compact structure, simple operation, stable and reliable performance, long repair cycle, the long-term production practice has proved that, the powder, powder, paste, adhesive, and the solution and so on, can be high or low temperature under appropriate conditions of drying.
Scope of application: applicable to the pharmaceutical, food, chemical and other materials industry drying; suitable pulpiness, paste, powder and granular materials for low temperature heat sensitive materials; drying; easy oxidation, explosive, strong stimulation, highly toxic materials for organic solvent; recycling material.

Principle And Characteristics
Principle:
1, the machine adopts interlayer heating mode, large heat transfer surface, high thermal efficiency.
2, stir the machine Settings, the material within the cylinder form renewal cycle state, further improve;
3, requirements of low temperature drying heat-sensitive materials; High material heated uniformity; 4, the machine set stirring, thus can be smoothly paste, paste, paste material drying.
5, the machine mixing device adopts casting, can increase the transmission torque.
Features:
PA dryer mainly consists of the shell, the axis of rotation and tine. Unlike paddle dryer, PA type drying machine of rotation and tine is not as the heating surface, it only as a stirring effect, on the surface of the material and update the vacuum rake dryer works, must first add the wet material in the dryer, within the jacketed bubbled into the heating medium (for steam or hot water can also be used commonly heat-conducting oil) and then start the vacuum pump, reach the specified vacuum, start the mixing plant, using positive &negative of tine, continuously in the process of drying of material ends to the middle and, at the same time, can also according to user requirements placed between tine four stainless steel rods (seamless steel tube), it constantly moves up and down in the process of axis of rotation, vibration cementing in implement of wall material and the agglomerate material crushing, through these measures, can guarantee the timely updates on the surface of the heat transfer, increasing the heat mass transfer rate, moisture to the fixed drying of material, stop the heating, close vacuum system, remove the dry material, to complete a cycle of operation, the dryer is suitable for slurry, paste, dry granular and fibrous materials, especially for heat-sensitive materials and recycling of organic vapor drying operation, vacuum rake drying equipment has many advantages, the vacuum rake dryer tine has left to right and to the two basic forms, both left to right are different and blade type two kinds, install, 90 degrees azimuth difference between adjacent tine, alien tine at both ends of the shaft installation, the installation type blade tine. Shaft rotates, the material under the action of the stirring shaft, move on both sides first, and then moving to the middle, so that in the dry process, the material has been in a uniform mixing, vacuum rake dryer commonly used drying medium is commonly 0.1 0.3 MPa steam, thermal oil or hot water.

Appearance dimension drawing


Main Technical Date