Skip to content

10 · Freezing, CIP & Conveying — Equipment

Industrial Food Freezer

A continuous quick freezer that brings processed food to frozen storage temperature fast, ready for packing or the cold chain.

Rating
Sized on product input (kg/h) at stated inlet and outlet temperatures
Versions
Spiral · Tunnel · Fluidised-bed IQF
Best for
Frozen food, meat, seafood and fruit processors adding or expanding quick-freezing capacity
  • Freezer type chosen around product shape and handling
  • Sized on real heat load, not just belt area
  • Can link to your refrigeration plant or come with one
  • Defrost and cleaning planned with the installation

Short answer: An industrial food freezer moves processed food through very cold, fast-moving air so it reaches frozen storage temperature quickly, which limits ice crystal growth and keeps texture. The right configuration is set by product shape and thickness, inlet and outlet temperatures and the hourly freezing load, together with the refrigeration plant behind it.

How it works

Product enters on a stainless steel mesh or modular belt inside an insulated enclosure. Evaporator coils cool the air and fans drive it across or through the product. Heat flows from the product core to the surface and into the air, and the refrigeration system removes it at the coils. Dwell time — how long product stays inside — is set by belt speed and length. At the outlet, product is checked for core temperature and moves on to packing or cold storage. Coils collect frost over time and are defrosted by water, hot gas or air between production runs.

Which configuration fits

Form Suits Watch out for
Spiral Dumplings, buns, patties, ready meals, trays Building height and room for the enclosure
Tunnel Flat products, trays, products that must stay level Long floor footprint for long dwell times
Fluidised-bed IQF Diced vegetables, berries, shrimp, fries Only suits small, free-flowing pieces

Capacity is always stated together with temperatures: the same freezer handles more kilograms of a thin, cool product than of a thick, warm one.

What we need from you to quote

  • Product types, piece size, thickness and weight
  • Inlet temperature and target outlet core temperature
  • Target freezing load, stated on product input per hour
  • Packed or unpacked, and any tray or mould used
  • Refrigeration source, refrigerant and available capacity
  • Building space, height and defrost water and drainage
  • Daily running hours and cleaning routine

Where it sits in a line

Typical feeds come from a frozen dumpling production line, steamed bun production line, food forming machine or blanching and cooling line. After freezing, product is packed on a VFFS packaging machine with a multihead weigher. Hygienic conveyors connect infeed and outfeed.

Common configurations

  1. Option A

    Spiral

    belt winds up a drum inside an insulated room; large belt length in a small footprint, for dumplings, buns, patties and ready meals.

  2. Option B

    Tunnel

    straight belt through a cold tunnel; simple layout for flat products, trays and products that must stay level.

  3. Option C

    Fluidised-bed IQF

    cold air lifts small pieces so each freezes separately; for diced vegetables, berries, shrimp and fries.

What we confirm before quoting

Our engineers check these points with you, so the quotation fits your site rather than a catalogue default.

  1. 01Product inlet temperature and target core temperature at the outlet
  2. 02Piece thickness, size and whether products are packed or unpacked
  3. 03Freezing load per hour and daily running time
  4. 04Refrigeration source: new plant or existing ammonia or Freon system
  5. 05Defrost method and interfaces for water, drainage and electrics

Frequently asked questions

  1. What decides freezing time and freezer size?

    Mainly piece thickness, starting temperature, target core temperature, the product composition and air temperature and speed inside the freezer. Thicker and warmer products need longer dwell time, which means longer belts or larger rooms. We size from your product data and tests where needed.

  2. Spiral, tunnel or IQF: how do I choose?

    Spirals suit varied products with limited floor space. Tunnels suit flat products and simple layouts. Fluidised-bed IQF suits small, free-flowing pieces that must not stick together. Some plants combine them, for example IQF crust freezing followed by a spiral.

  3. Do I need my own refrigeration plant?

    The freezer needs a refrigeration source sized to its load. It can connect to an existing plant if capacity allows, or we can quote a matched unit. Tell us the refrigerant, evaporating temperature and spare capacity of your current system.

Get a quote for the Industrial Food Freezer

Tell us your raw material, finished product and target output. Our engineers reply with a matched configuration and quotation.

What to send with your inquiry

  1. 1Raw material and its condition
  2. 2Finished product and packaging
  3. 3Target output — raw input or finished product
  4. 4Site photos, power supply, utilities

Email sales@hnfoda.com

Send your inquiry

Your details are used only to answer your inquiry — see our Privacy Policy.

Buyer guides

  • Freezing, CIP & Conveying

    Food Vacuum Cooler

    Central kitchens, bakeries, ready meal makers and produce packers who need fast cooling before chilling or packing.

    Sized on product per batch (kg/batch) and cycle time

  • Freezing, CIP & Conveying

    Hygienic Conveyor

    Plants connecting individual machines into a line, or replacing manual transfer between steps.

    Sized to the throughput of the machines it links (kg/h or pieces/min)

  • Freezing, CIP & Conveying

    Clean-in-Place System

    Beverage, dairy, sauce and liquid food plants with closed tanks and pipework.

    Sized on circuit flow rate and circuit volume, set by pipe size and tank spray devices

  • Freezing, CIP & Conveying

    Steam Generator for Food Processing

    Food plants and kitchens adding steam-heated equipment without a large central boiler house.

    Sized on steam output (kg/h) at the working pressure your equipment needs

WhatsAppRequest a quote