Spiral vegetable cooler: keeping colour, texture and freshness after blanching
Immersion cooling and a spiral design
Vegetables are still hot when they leave the blancher, and if they are not cooled immediately they keep cooking. The result is an overly soft texture, a darker colour and a loss of freshness. The Nano Machine spiral vegetable cooler uses immersion cooling to place the cooked products in cold water straight away, and the sudden drop in temperature stops the cooking process at that very moment.
The machine's spiral design moves the vegetables continuously and at a constant speed along the tank, so every product spends the same time in cold water and is cooled evenly with minimal physical damage. Continuous operation also means the cooler never becomes a bottleneck in the line.
How does a spiral vegetable cooler work?
The machine is placed in the line directly after the spiral cooking blancher and is used for products such as carrots, cauliflower and green beans. To learn more, see the Bean article on Wikipedia.
Infeed from the blancher
Blanched vegetables enter the cooler tank directly and continuously.
Immersion in cold water
The products are immersed in cold water and receive a cold shock.
Cooking stops immediately
The sudden drop in temperature stops cooking and prevents changes in colour and texture.
Even spiral movement
The machine's screw moves the products at a constant speed so that they all cool evenly.
Continuous discharge
The cooled vegetables leave the machine ready for sorting, slicing, filling or freezing.
Spiral vegetable cooler price
The price of a spiral vegetable cooler depends on the capacity you need, the tank dimensions, the type of product and any customisation. Nano Machine sells this machine directly, with no intermediaries, and our engineers review your blancher capacity and line layout before you buy. See also the spiral cooking blancher and the other vegetable cooking line machinery.
Direct from the manufacturer
Factory price, with no intermediaries.
One-year warranty
Full machine warranty for one year.
Ten years of after-sales service
Spare parts and service for up to ten years.
Installation and commissioning
Technicians sent to sites in Iran and abroad (Turkey and the Persian Gulf region).
Spiral vegetable cooler technical specifications
The Nano Machine spiral vegetable cooler is built with a capacity of 1200 kg per hour, 4 kW power, dimensions of 4500 × 1500 × 1850 mm and a weight of about 1100 kg. The technical specifications can be customised to suit the blancher capacity, the product and the cooling time.
Why is rapid cooling vital for vegetables?
The green of beans, the orange of carrots and the white of cauliflower are among the most important quality indicators for canned and frozen vegetables. Heat left over after blanching dulls these colours and makes the texture soft and poor. Rapid cooling stops cooking at exactly the right point, so the product is neither undercooked nor overcooked.
In freezing lines, cooled product entering the freezing tunnel also reduces the tunnel's heat load and saves energy, while improving freezing quality and the appearance of the finished product.
That is why, when designing a vegetable cooking line, the cooler capacity must match the blancher capacity exactly. A cooler smaller than the blancher leaves the product too long in hot water or causes it to pile up in the line. The Nano Machine spiral vegetable cooler is designed with the same capacity as the spiral cooking blancher, so this match is guaranteed from the start.
Continuous operation and less manual labour
The automatic, continuous design of the spiral vegetable cooler removes the need to move the product by hand between the blancher and the following stages. This means less labour, a shorter process time and a lower risk of contamination from hand contact.
- Rapid, even cooling with immersion and a spiral system
- Prevents colour darkening and preserves freshness
- Preserves the texture and quality of vegetables
- Continuous, uninterrupted operation
- Less manual labour and higher productivity
For an up-to-date price of the spiral vegetable cooler, technical advice and a design sized to your cooking line, contact the Nano Machine team.
Applications of the spiral vegetable cooler
The Nano Machine spiral vegetable cooler can be used in any line where vegetables must be cooled quickly after blanching, including:
Vegetable canning plants
Cooling carrots, cauliflower, green beans, peas and corn before filling into cans or glass jars.
Vegetable freezing
Lowering the product temperature before the freezing tunnel to preserve quality and save energy.
Pickles and ready-made salads
Preparing par-cooked vegetables with the right colour and texture for pickles and salads.
Food processing and industrial kitchens
Preparing large volumes of blanched vegetables of consistent quality.
Impact on quality and productivity
Rapid cooling preserves the colour and freshness of the product, keeps the texture of vegetables intact after blanching and, with continuous operation, shortens process time and raises line efficiency. Less waste from overcooking also lowers production costs significantly.
For best maintenance, we recommend replacing or continuously chilling the tank water to keep the right temperature, draining and washing the tank and screw at the end of each shift, and inspecting the motor and gearbox periodically. The Nano Machine after-sales team teaches this routine during commissioning, and spare parts are supplied for up to ten years. Adjusting the screw speed to the type and size of the product also ensures the optimum residence time in cold water.
Why the Nano Machine spiral cooler?
Nano Machine builds complete vegetable cooking lines, from the vegetable washing machine to the spiral cooking blancher and the spiral cooler. These machines are designed with matching capacities so that the product flows through the line without stopping, based on experience from projects in Iran and exports to Turkey and the Persian Gulf countries.
Summary for production managers
With immersion cooling, a spiral design, continuous operation and a capacity of 1200 kg per hour, the Nano Machine spiral vegetable cooler preserves the colour, texture and freshness of vegetables after blanching and brings the quality of canned and frozen vegetables up to market standards.
To buy a spiral vegetable cooler, share your blancher capacity and product types with the Nano Machine team to receive a technical proposal and a factory-direct price.
