1. Main Performance and Application Compared with the electricity heating, this equipment (natural gas heating) has the advantage over cost saving and is the ideal drying equipment for positive plates. The machine has the advantages of reasonable structure, easy operation & maintenance and high production efficiency. Working principle: Heated air can be re-used through high temperature blower and laying air channel with high heat utilizing efficiency. The machine adopts double conveyer chain to feed plate and AC frequency control. It fits for the production of varied kinds of plates.
2. Main Technical Parameters 2.1 Total power: 33Kw 2.2 Main Drive: Adopting the frequency transformer to realize variable speed, and the plate is transported through chains. The drying oven is double-row. The plate is hanged in the chains. Drying speed: speed of transporting line is 0.6~1.1m/min, 54~137 double pieces/min, power: 4Kw Moisture content after drying of plate: positive plate: ≤0.3%, negative plate: ≤0.3%, after adding anti-oxidizer,Pbo≤8%. Total length of equipment: 24m Dimension of inner chamber: 255mm Effective height of left and right chamber: 320mm The length of main oven is 18m, it is divided into three sections. First Section (front section): The inner wall, upper and lower air channelis made of aluminum plates. The other two sections are made of high-quality steel plates coated with heat and corrosion resistant material. The plate feeding mechanism is 3 m long with 6 draining axial fans. The rear plate collecting mechanism is 3m long, made of carbon steel with anti-corrosion paint, with one covered cooling fan. 2.3 Hot air circulating blowers of the first two sections are made of stainless steel, third section is made of carbon steel. Air amount Q=8,000M3/n, full wind pressure: 2000pa 2.4 Four sets dehumidification & ventilation fan: first two sections are made of stainless steel, the third one is made of carbon steel. Ventilation fan power: 1.1Kw×4=4.4KW Air amount : Q=3,710M3/n full wind pressure: 333pa 2.5 Burner Adopting the Baltur burner from Italy Natural gas consumption: 17.55~66.15m3/h, preheat time: about 20-30mins Output power: 375~783Kw/h 2.6 Temperature of oven The temperature of drying machine is controlled in three sections. Every section adopts the ORMON temperature control meter from Japan which can control temperature automatically and independently. Temperature control range: 100~150ºC, control precision: ±3ºC Section I: 100~150ºC; Section II: 110~150ºC; Section III: 100~150ºC 2.7 Installation of guide rail: level, parallel, non-blocking 2.8 The circulative air channel is with suitable design and it does not form bigger air current, avoiding the plate deformation. The door is distributed evenly with good sealing quality. The switch of door is with knob and is flexible with good heat preservation. The temperature of outer wall is not 5ºC higher than the ambient temperature. 2.9 The design and manufacturing of this machine conforms to the corresponding requirement of national standard.
3. Detailed Range Of Supply 3.1 front frame of plate drying machine 3.2 back frame of plate drying machine 3.3 Drying oven: section I 3.4 Drying oven: section II 3.5 Drying oven: section III 3.6 electric control cabinet
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