HTST Pasteuriser

The pasteurisation unit  (HTST pasteuriser) is designed for the thermal treatment  of milk and dairy products as well as other food products as soft drinks and juices. The process destroys pathogenic microorganisms by heating the product to a moderately high temperature for a brief period.

The product arrives to a balance tank (BTD) and is pumped to a plate heat exchanger. It is heated to a pasteurising temperature, that depends on the type of food product and/or process requirements. Next, the product passes through the holding tube that ensures the correct pasteurisation by holding the product at the required temperature for the specified period of time.

Finally, the product is cooled to 4 ºC for cold filling or storage in isothermal tanks.

If, due to any problem, the pasteurising temperature is lower than the required one, an automatically operated flow divert valve sends the product back to the balance tank (BTD), thus, preventing any microbial contamination of the final product.

Technical informations

The basic configuration set includes a REED type max/min level sensor in the BTD and a PT100 temperature sensor with 4-20 mA output and an adjustable 0 - 100 ºC thermometer at the outlet.

Materials:

Parts in contact with the product: AISI 304

Other components and control panel: AISI 304

Pump mechanical seal: C/SiC/EPDM

Gaskets in contact with the product: EPDM and NBR

Surface finish: Ra ≤ 0.8 µm

Options:

Hot water generation circuit: hot water is supplied by a circuit of water heated while recirculated through a plate heat exchanger heated by steam; Frequency converter, in the control panel, for the centrifugal pump; Flow control: an electromagnetic flowmeter and a frequency converter for the discharge pump; Cold water control includes 3 way valve, PT100 temperature sensor and a temperature regulator; Pasteurisation temperature and/or flow control is recorded to ensure safe production. Paper o video recorder; Special plates for the thermal treatment of products with pulp or solid particles in suspension; 4 stage heat exchanger for homogenisers, cream separators, etc; Other temperature and holding time modes.