| ≥1 piece |
| Cryogenic deep freezer | ||||
| Model: DC-30L | ||||
| Technical Parameters | ||||
| Frozen quantity | 50KG/H | |||
| Demension | 1130*700*850mm | |||
| Working temperature | room temperature to -190℃ | |||
| Lowest temperature | -190℃ | |||
| Maximum cooling rate | ≤50℃/min | |||
| Application | Metal parts | |||
| Accuracy of temperature control | ±1℃ | |||
| Temperature uniformity | ±2℃ | |||
| The thickness of the insulation layer | 100mm | |||
| Liquid nitrogen system | insulated pipe, the control valve, the nozzle, the dispenser |
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| Air circulation system | motors, fans, air distribution device | |||
| Electrical control system | variable program controller, touch screen, PLC, alarm instrument AC contactor, intermediate relay, knobs switches, etc.; |
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| Micro-pressure release valve | this valve will automatically emissions, when the cavity pressure is slightly positive pressure |
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| Power supply | 380V/50HZ, 220V/50HZ | |||
| Configuration of the equipment | ||||
| 1.Main Body -- AISI304 stainless steel. | ||||
| 2.Thermal insulation material -- BASF of Germany's ultra-low temperature insulation material multi-layer composite structure. | ||||
| 3.Door seal -- Low temperature resistant silicone rubber imported from France,equipped with antifreeze die heating system. | ||||
| 4.High temperature disinfection device-- temperature up to +121 ℃. | ||||
| 5.Efficient cleaning device-- health and safety. | ||||
| Liquid nitrogen system | ||||
| 1. Liquid nitrogen system--- including liquid nitrogen tank (customer-supplied or optional),pressurization system, insulated pipe, control valves, nozzles, dispenser. | ||||
| 2.DINTOR - ASCO (imported from USA)--- ultra-low temperature solenoid valve to ensure normal opened at -196 ℃; | ||||
| 3.Liquid nitrogen nozzles---consist of hundreds of micropores，fully gasify the liquid nitrogen, then gasification liquid nitrogen be ejected and circulated in the tank, to keep the temperature uniform; | ||||
| 4.High efficiency and low noise axial fan, return air distance is short, fast freeze, increased by 85% more efficient than ordinary freeze. | ||||
| 5.Unique wind farm design---make the wind speed and temperature of the frozen zone more uniform and stable. | ||||
| Control system | ||||
| 1.Control mode-- Touch screen + PLC | ||||
| 2.Cylinder lock device-- to ensure that the door does not leak gas, and to easy to open and close the door. | ||||
| 3.Automatic locking function-- to ensure that the door is not open by misuse. | ||||
| 4.Interlock system-- if the door is not be closed well,the freezer will not work. | ||||
| 5.Warning system-- if the door is not be closed well,it will warn. | ||||
| 6.High and low temperature control-- PID regulator | ||||
| 7.Operating system -- English | ||||
| 8.Control instruments -- touch screen + PLC + instrument control mode; | ||||
| 9.Touch screen -- Taiwan | ||||
| 10.PLC -- Mitsubishi,Japan | ||||
| 11.Key switch -- IDEC,Japan | ||||
| 12.Control knob -- IDEC,Japan | ||||
| 13.Intermediate relay -- IDEC,Japan | ||||
| 14.Temperature transmitter -- PT100,Germany | ||||
| 15.AC contactor -- SIEMENS, Germany | ||||
| 16.Air circuit breaker -- SIEMENS,Germany | ||||
| 17.DINTOR -- ASCO,USA | ||||
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