Metal Cryo nitrogen freezing tunnel

Liquid nitrogen rapid cooling tunnel in stainless steel.

For cryogenics of foods such as pasta, pulses; salted; pulps; grains; seafood, fish, meat, among others.

Brand: Metal Cryo.

Model: MCTC10000.

Year: 2020.

Approximate average production: up to 600 kg/hour.

Length: total: 10500 mm.

Useful length: 10000 mm.

Belt dimensions: 600 mm wide x 10500 mm.

Usable belt width: 600 mm

Equipment weight: approximately 1800 kg.

Total freezing area: 6 m².

External dimension of the tunnel: 900 x 1500 mm (Height to be defined) x 10500 mm.

Residence time: variable depending on the temperature and amount of product to be cooled per hour, up to 80 kg/8 minutes between -90 and -100°C.

Cooling temperature controlled through an internal thermo resistance and
PLC, which may vary according to need.

With 200 mm exhaust outlet.

Exhaust hoods and ducts not included.

Feeding: Continuous, preferably in bulk.

Thermal insulation of the tunnel walls super insulated + high vacuum.

Working pressure: 4 kgf/cm².

Electrical panel with control through PLC and HMI Touch screen, with
of internal temperature of the tunnel, injection of liquid nitrogen, and variator of
treadmill and fan frequency.

Treadmill motor: Three-phase 1 CV - 220/380 V with frequency variator.

It has 5 internal fans of 0.5 CV each.

With cryogenic ¾ solenoid valve installed next to the tunnel.

Approximate average consumption: from 0.8 to 1 Nm3/kg.


-Piping of liquid nitrogen in stainless steel.

Brand: Metal Cryo.

Model: MCFV22.

Total price: 42 m.

Diameter of the inner tube: 22 m.

Diameter of the external pipe: 76 mm.

Type of insulation: super insulation + high vacuum.

Type of connection: to the flexible tank of approximately 03 meters (to be defined after
tank installation) with ¾” JIC connection and 02 meter flexible connection to the
collector with ¾” JIC thread.

Maximum line pressure: 10Kgf/cm².

Safety valve: 10kgf/cm.

Maximum working pressure: 04Kgf/cm².

It does not have: gas separator, system automation and gas return line.



-Stainless steel supply manifold.

Inner diameter: 48 mm.

Price: 07 meters.

Input connection: ¾” thread.

Flujo inlet valve: ¾” Globe Valve with safety and Filter.

With 05 3/8” outlets with control solenoid valves,
safety and stop valve for flow adjustment.



-Sensor 02 environment.

Brand: MSA.

With level control (low, normal and very high level).

With sound and light signal on the tunnel panel.

Material: metallic housing and visual panel.



-Automatic exhaust at the entrance:

Centrifugal extractor.

Sensor model: PT100.

With adjustable temperature control on the panel.

It has ducts and connections.