Successful cases in the medical, food and pharmaceutical industries
Tunnel furnace of Medical industry breathing mask in solidified stainless steel
ⅠMain parameter about Tunnel furnace of Medical industry breathing mask in solidified stainless steel
1、Inner tank size：Drying zone, long 7,500 * net height 300* net bandwidth 600mm；
2、External dimension (about) : the total length is 14000mm* total height is 1490mm* total width is 1040mm, the height from ground to network belt is 850mm, the width of product conveyor belt is 600mm, and the height of feed in furnace body is 300mm;Drying part of the total length of 7500 mm, into four segments, the first 1500 mm long, three sections of the 2000 mm long, after cooling section is 4000 mm long, paragraph 2, each 2000 mm, 0.75 KW powerful centrifugal fan on the furnace cover, mounted at the bottom of the furnace charge air scoop (galvanized sheet) of the lacquer that bake, both ends of the buffer part of the 400 mm long, buffer feed height is 200 mm, each door and manual adjustment, feed section 850 mm long, discharge part is 850 mm long, front and rear of the furnace body is equipped with urgent stop switch.
3、temperature range: normal temperature ~ ' 300 ℃ (adjustable)
4、the precision of the instrument shows: ≤±0.1 ℃
5、temperature fluctuation degree: ≤±1 ℃
6、Temperature uniformity:≤±5 ℃
7、Heating rate：≤8℃/min；
8、Air transport mode: circulation on three sides;
9、the enclosure temperature:the enclosure temperature is not higher than indoor temperature ' 15 ℃, except the seams and the oven temperature; 10、Power supply: three-phase five-wire system, 380V, 50HZ;
11、Total power: 80KW (increase of power in the first and second sections).
ⅡConstructional features about Tunnel furnace of Medical industry breathing mask in solidified stainless steel
1、Enclosure material: made of 1.5mm thick stainless steel;
2、Surface treatment: surface polishing, polishing and sand pulling;
3、Inner liner material: made of 1.2mm thick stainless steel plate;Keep the inner tank clean and free of dust, prevent rust and corrosion;
4、Furnace body underframe: the furnace body is made of 50*50*1.5mm square, and the bearing strength of each internal and external surface of the furnace body is maintained, and the heat expansion and cold shrinkage coefficient is retained to prevent the furnace body from deformation.
5、Thermal insulation material: 100K rock wool of encrypted aluminosilicate with non-combustible and strong thermal insulation, with thickness of 120mm and thermal insulation layer at the bottom (thickness of 60mm);
6、Ventilation device: the air inlet and exhaust port are provided above the furnace cover;
7、Independent electric control cabinet: the furnace body is equipped with independent electric control cabinet;
8、Junction box: the junction box is arranged at the bottom of the furnace body;
9、Foot cup: the bottom is equipped with adjustable foot cup, which is convenient for the box body to adjust the height of the box body.
Three、Control system about Tunnel furnace of Medical industry breathing mask in solidified stainless steel
1、Air motor: two air motors of Taiwan adeli in 0.37kw are provided for each drying section;
2、Wind wheel: equipped with 9 inch wind wheel of multi-wing ;
3、Radiative heating: the heating pipe adopts U heating pipe to control the heating, and it is equipped with radiator.
4、Control of heating tube: control each group of heating tube by SSR solid relay;
5、Temperature sensor: omron in 3-meter standard, k-type thermocouple;
6、Others: imported schneider and Japanese omron brands or equivalent are used for all control appliances;
Ⅲ Function about Tunnel furnace of Medical industry breathing mask in solidified stainless steel
1、Automatic temperature: the temperature controller can be set according to the temperature value set by the user;PID is adopted to calculate the output power automatically. The closer to the temperature setting value, the smaller the output power will be, so as to achieve the purpose of thermostatic control and save energy and electricity.
2、Over-temperature alarm: when the actual detection temperature exceeds the setting value of the over-temperature protection thermostat, automatically cut off the heating power and double protection function;
3、Audible and visual alarm: alarm lamp with buzzer.
4、Earthing protection: safety earthing protection of structural components.
5、Phase loss and phase sequence protection of power supply: equipped with phase sequence protector.
Ⅳ Environmental conditions about Tunnel furnace of Medical industry breathing mask in solidified stainless steel
1、Environmental temperature：-5℃～'40℃；
2、Relative humidity：≤85%RH；
3、Power supply：AC380V±10%，50Hz
