Finamac Engenharia -Occult >> Experts >> Planta de Pasteurização Completa

PASTEURIZATION LINE

PROCESS

Prepare and heat all the ingredients up to 80ºC into the process tank (preparation and heating time: 50 min.);
Activate the tranfer pump in order to pour the mixture into the transfer tank;
Restart the new mixture preparation in the process tank;
Connect the cooling tower and the cooling water reservoir;
Activate the circulating pump to force the mixture through the homogenizer;
When leaving the homogenizer the mixture circulates through the heat exchanger to drop the temperature from 80ºC to 4ºC, and to conduct the pasteurized mixture to a maturation vat (refrigeration time to 4ºC: 60 min);
After the cooling is concluded, restart the process by loading the transfer tank with the hot mixture which has already been prepared in the process tank (this cycle is repeated during the whole factory production time);
The maturation vat will be connected to the continuous freezer through the non-toxic hose;
The continuous freezer (C MAX or SUPER C) has a proper pump which will be suctioning the mixture from the maturation vat and produce the ice cream. We should emphasize that Finamac Arpifrio continuous freezers allow the work with enough outlet ice cream pressure to supply automatic filling machines to fill cups, sundaes, cones, etc.;
Optionally, connect the continuous freezer to a Finamac Fruit Feeder to introduce pulps and solid ingredients into the ice cream.

*The production depends on climatic conditions and installation of the places where the machine is located.

Components:

Heater;

Process tank, 300 liters capacity. Heating time: 50 minutes;

Transfer tank, 300 liters capacity;

Transfer pump;

Line filter;

Multi-plate heat exchanger;

Cooled-water unit for 300 liters/hour;

Volumetric doser;

5 TR cooling tower;

Homogenizer.

COMPONENTS DESCRIPTION

HEATER

PURPOSE:

To heat the thermal transfer fluid (water) which will circulate in the processing tanks, transferring heat to the mixture by thermal conveyance.

DESCRIPTION:

Effective thermal power: 18000 Kcal/h

GLP (heating gas) consumption: 1.56 kg/h

Thermal insulation: involved with glass wool blanket (elevated insulation index).

Burner maximum pressure: 280 mm c.a.

External shell: AISI 304 stainless steel.

Burner: projected to burn GLP or natural gas, as requested.

Temperature control: automatic, through solenoid valve and adjustable electronic thermostat.

Safety: emergency valve, which immediatly cuts gas passage in case the flame pilot is out.

Electric panel: made of steel with electrostatic paint, IP55.

Power: 0.3 KW, 220V, monophase.

THERMAL FLUID PUMP

PURPOSE: to circulate the thermal transfer fluid originated from the heater, around the processing tanks.

DESCRIPTION:

Motor protected with AISI304 stainless steel.

Refrigerated mechanic seal, specific for hot liquids, of sanitary conception.

Dismountable frames, fixed by fast closing clamps, to easy cleaning dismount.

Allows CIP washing.

Motor: 220/380V, Tri-phase, ½ hp, 60 Hz (50 Hz), IP55.

PROCESSING TANK

PURPOSE: tank where ice cream ingredients are mixed and heated. Capacity: 300 liters.

DESCRIPTION:

AISI 304 stainless steel, inner tank with rounded edges and polished sanitary finishing, turning out the cleaning easier;

Tilted-lid, to facilitate the the inner tank access;

Circulation circuit of the thermal transfer fluid built at the bottom and around the tank, alveolar system (replaces the old systems of copper tube rolled around the tank, half-pipe system or involved), allowing high rate of heat transfer and offering more energy savings;

Two blenders of high rotation, provoking a wide vortex of the product;

Helix with wide cutting surface;

Insulation between the inner and outer tank made of injected polyurethane foam;

Digital thermometer for the heating temperature checking;

IP54 electric motors;

Power: 2.2 KW, 220V, tri-phase.

TRANSFER TANK

PURPOSE: tank where the ice cream mixture is stored after passing trough the multi-plate heat exchanger. Capacity: 300 liters.

DESCRIPTION:

AISI 304 stainless steel, inner tank with rounded edges and polished sanitary finishing, turning out the cleaning easier;

Tilted-lid, to facilitate the the inner tank access;
Low rotation blender;

Insulation between the inner and outer tank made of injected polyurethane foam;

Power: 60 Watts, 220V, tri-phase.

TRANSFER PUMPS

PURPOSE: to tranfer the heated mixture between the tanks and up to the homogenizer or multi-plate heat exchanger;

DESCRIPTION:

Motor: 220V, tri-phase, ¾ hp, 60 Hz, IP 55;

Motor protected with AISI304 stainless steel;

Refrigerated mechanic seal, specific for hot liquids, of sanitary conception;

Dismountable frames, fixed by fast closing clamps, to easy cleaning dismount;

Allows CIP washing.

LINE FILTER

PURPOSE: retain impurities and particles material not dissolved in the mixer tank.

Constructive material: AISI 304 stainless steel;

Dismountable;

Connection to the process with tri clamp.

HEAT EXCHANGER

PURPOSE: to cool the homogenized mixture, completing the pasteurization cycle.

This cooling occurs by the vortex flow through the circuit formed between the plates, in thin threads of millimeter thickness. At one side of the plates the product circulates to be cooled; on the other side, counterclockwise, the cooling fluid flows in two stages; first, it cools the mixture from 80ºC to 40°C with water derived from the hydraulic circuit of the cooling tower; second, it cools up from 40°C to 4ºC with 30% water and alcohol solution. Outlet temperature of mixture: + 4ºC. Solution temperature derived from the cooling unit: + 2ºC.

DESCRIPTION:

Counter-flow heat exchanger with AISI 316 stainless steel plates, insulated by dismountable nitrile rubber joints.

Capacity: 300 liters/h (mix with 38% solids).

Double passage circuit:

First Stage: to cool the incoming mixture at 80ºC and out at 32ºC, due thermal exchange with 1800 l/h of water from the cooling tower, incoming at 28.0ºC and out at 35.1ºC, pressure drop on the mixture side of 5.0 mCA, and on the tower water side 0.5 mCA. Amount of heat exchanged: 12672 kcal/h.

Second Stage: to cool the incoming mixture at 32.0ºC and out at 4.0ºC, due thermal exchange with 1500 l/h of cooled water/alcohol solution, incoming at 2.0ºC and out at 7.0ºC, pressure drop on the mixture side of 7.5 mCA, and on the cooled water side 0.5 mCA. Amount of heat exchanged: 7392 kcal/h.

WATER COOLING UNIT

PURPOSE: to supply cooled water between 1.0ºC and 6ºC to the second stage of the multi-plate heat exchanger.

Automatic operation with low consumption and noise, including:

Protection against short circuit and overloads.

Powerfull hermetic compressor.

Multi-plate evaporator, made of 316 stainless steel and copper. Connections in stainless steel. Welded material 99,9% copper.

Tube-in-tube condenser (parts in contact with water made of copper).

Thermostat for the temperature control.

High pressure condensation pressostat.

Nominal capacity: 12,500 Kcal/h.

Cooled water flow: 7.50 m3/h at 25 m.c.a.

Cooled water temperature: adjustable from 1.0ºC to 25.0ºC.

Condensation: water, minimum flow of 3.0 m3/h at 28ºC.

Electric power: 220V, tri-phase, 220V command, IP 54, 4.7 KW.

Connections: 1” (cooled water), ¾” (condensation water), ½” (replacement water).

TRANSFER TUBING

The pasteurized mixture is transported to the maturation tank through a clear non-toxic plastic hose with 1” inner diameter;

Connection to the process: 1” diameter sanitary tri clamp, working pressure of 6 bar.

COMMAND PANEL

Made of carbon steel with electrostatic paint.

IP 55 protection grade.

Electric frame:

Built-in command panel with frontal door access. Electric contact switches, thermal relays of protection against current overload.

Electronic sensor temperature for the boiler and process tank.

Command frame:

Programmable microprocessed temperature controller with safety parameters configuration;

Light bulb indicator for components operation;

Light bulb indicator for components failure;

Boiler protective system with programmable maximum heating temperature (avoids the mix to burn with the excess of temperature);

Water doser system with automatic flow control, assures the uniformity of the recipe, avoiding operational errors by incorrect dosage. Optional: automated system through CLP.

COOLING TOWER

DESCRIPTION:

The horizontal-type water cooling towers push the air from the bottom to the top.

They are projected to be compact and simple. All the components are placed to reduce the size and obtain the maximum capacity.

Its system reduces the loss of water by evaporation and dragging, decreasing the need of completion.

CHARACTERISTICS:

a) Body constructed in PRFV (polyester reinforced with fiberglass) self-portable and non-corrosive.

b) Internal filling made of polypropylene, assembled in compact blocks of high mechanic resistance and easy washing/maintenance.

c) Spatters eliminator in polypropylene, which limits the loss by dragging at 0.15% of the circulation water flow.

d) Water distribution in PVC tubes reinforced with PRFV, with low pressure pulverizers nozzles.

e) Hermetic motor, IP 55 grade protection.

f) Axial-type helix directly coupled to the motor, cube in aluminum and blades in polypropylene with air-foil profile, electronically balanced.

HOMOGENIZER (OPTIONAL)

Equipment destined to homogenize the mixture to the smallest particles size as possible, supplying the best quality and air incorporation to the final mixture.

Operates with high pressure in order to force the perfect mix between fats, solids and liquids.

DIMENSIONS (in meters)

Finamac Arpifrio — Brazil

+55 11 2135-6500