Zhucheng Zhonggong Machinery Co., Ltd. is dedicated to the research, design, manufacturing, and provision of modern services in the food machinery sector. Our main products include high-temperature sterilization retort, jacketed kettle, automatic loading and unloading cage production lines, egg production lines, fresh corn production lines, pet canning lines, etc.....Our comprehensive product line caters to a wide range of sterilization needs for packaged foods, including high-temperature cooking bags/pouches, aluminum foil boxes/cans, tin cans, glass bottles, PP bottles, and other similar products.
Professional Team
Our team comprises experienced designers, six overseas engineers specializing in installation projects abroad, three quality control (QC) specialists, and five international sales teams.
One-stop Solution
We offer an integrated suite of services encompassing research and development (R&D), design, production, and turnkey project implementation, ensuring seamless support throughout the entire process.
Advanced Production Equipment
Our state-of-the-art facilities are equipped with laser cutting machines, plasma welding machines, pipe welding machines, flange welding machines, and bending machines to ensure precision and efficiency in manufacturing.
Sales Market
Our products are distributed across diverse markets, including Southeast Asia (Indonesia, Singapore, Malaysia), North America (United States, Canada), Oceania (Australia), and Europe.
Specification of Water Immersion Retort
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Inner diameter/length/capacity |
1200mm/1800mm/2.43 m3 |
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Thickness of shell |
5 mm |
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Material |
S304 |
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Heating way |
Steam directly |
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Cooling way |
Fully water |
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Features |
Fast sterilization, shorten the come-up time, reduce heat treatment, protect food taste and color |
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Max working temperature |
Sterilization temperature max temperature 130 °C. |
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Max working pressure |
0.3 Mpa |
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Control |
Full-automatic |
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Baskets |
900*800*800mm |
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Installation power |
380v,50hz, 16.5 kw |
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Occupied Area |
3600X1800X3050mm |
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Weight |
2000kg |
Types of Water Immersion Retort
The water immersion retorts produced by our company mainly include the following types
Shake Type Water Immersion Sterilizer
Swinging the sterilization pot can achieve better heat penetration effect of the product by shaking it left and right. The equipment is equipped with an automatic switch system, and the swing function can be added or stopped as needed, making it more user-friendly.
Static Water Immersion Sterilizer
Water Immersion Retort Autoclave is a retort that sterilizes packaging containers by soaking in hot water. Because of the help of the preheating tank, the temperature can be quickly raised to the preset temperature. This type of equipment typically includes a water tank or container for holding hot water, equipped with a high-pressure system.
Automatic Water Immersion Autoclave
Water immersion autoclave is a kind of food sterilization retort used to sterilize packaging containers through hot water immersion method. The water is heated to the preset temperature in the top storage vessel and then dropped into the retort chamber, providing fast heat penetration and reducing processing time.
Features of Water Immersion Retorts
Hot water is stored in upper kettle.
Due to full water immersion, heat can penetrate into products all around.
The automated rotary retorts can avoid air contact during the whole process, leading to zero cold air in kettle. The top-notch water circulating system ensures balanced heat distribution in kettle.
Peak pressure value can be avoided by controlling back pressure via stream inlet and outlet, largely reducing packaging material damage.
Smooth and rapid cooling helps the water immersion retorts avoid thermal shock and peculiar smell.
During heating, heat will penetrate into products at rapid speed, ensuring required sterilization performance can be achieved and designated F value can be reached at fast speed.
Thanks to forced convection brought by rotation, there is no cold point inside packages.
Full water immersion leads to satisfactory buoyancy, minimizing friction and collision of product packages.
Rotation during heating can help effectively avoid overheating of packaged food, container damage, over-steaming of product outer layer, delamination and precipitate.
The rotary batch retort is able to ensure the most ideal heat transfer performance. Short-time sterilization under high temperature can significantly improve efficiency and process more products.
Applications of Water Immersion Retort
Canned Foods
Essential for sterilizing canned goods, ensuring that products remain shelf-stable for extended periods.
Ready-to-Eat Meals
Allows for efficient processing of pre-packaged meals, making them safe and delicious for consumers.
Pasteurization
Commonly used in dairy processing, where the preservation of milk and dairy products is critical.
Pharmaceuticals
In addition to food, these retorts are also employed in the sterilization processes of certain pharmaceutical products.
Cosmetics
Ideal for maintaining the safety and integrity of cosmetic products, ensuring they’re free from contaminants.
Differences Between Water Immersion Retorts and Steam Retorts
The working principles of water immersion retorts and steam retorts are different:
● The water immersion retorts directly inject steam to heat the water in the hot water tank to a predetermined temperature, and then injects it into the process tank. At the same time, the process water in the pot is continuously circulated and heated and sterilized through the water-vapor mixer. This shortens the sterilization time and improves work efficiency. The sterilized process water can be recycled, saving energy, time and consumption of manpower and material resources, and reducing production costs.
● The steam-type sterilizing retort uses steam generated by the boiler at a certain pressure as the heat source, and uses high-temperature saturated steam to sterilize the product. It has the characteristics of fast heating speed, high thermal efficiency, uniform heating, and easy control of the heating temperature. The inner layer of the sterilizing retorts, the pot body is made of acid-resistant and heat-resistant stainless steel, equipped with a pressure gauge and a safety valve. It has beautiful appearance, easy installation, convenient operation, safety and reliability.
Water immersion retorts and steam retorts have different application ranges:
● Water immersion retorts are suitable for all types of high temperature resistant packaging materials:
Plastic containers: PP bottles, HDPE bottles
Soft bag packaging: Aluminum foil bags, transparent bags, vacuum bags, high temperature cooking bags, etc.
Tinplate cans, aluminum cans and glass bottle products
● Scope of application of steam sterilization retort: Canned meat products, canned drinks, canned fruit and vegetable products, glass bottled fruit and vegetable products and other products, such as lunch meat, black bean fish, sardines, canned beef, coconut juice, walnut juice, winter melon tea, Sea buckthorn drink, canned asparagus, sweet noodle sauce, etc.
Precautions for Operation of Water Immersion Retort
Check the equipment status
Before use, ensure that the water immersion retort door is sealed in good condition, check whether each valve, instrument is working normally.
Control steam pressure
During the operation of the equipment, should always pay attention to the changes of steam pressure, hot water pressure and cold water pressure, should take corresponding measures in time, to ensure the normal operation of the equipment.
Pay attention to the control system
In the process of sterilization, should pay attention to the operation of the control system, if abnormal, should immediately stop the machine or press the emergency stop button.
Safe operation
Prohibit standing in front of the germicidal pot, operator in the operation of the valve, prohibit directly facing the valve, to prevent the valve core from hurtful.
Avoid over temperature and overpressure
Do not use the canning retort machine over temperature, overpressure, do not open the pot door with pressure, with water.
Regular maintenance
Should be promptly cleaned after use, to avoid items sticking to the equipment, will affect the quality of the next operation. regularly check whether the power cable of the equipment is damaged, if found, should be repaired immediately.
Replace the sterilizing resin
According to the equipment advice, need to replace the sterilizing resin after each operation, to ensure the clean sterilization effect of each operation.
Packaging and Shipping
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Packaging |
1. Stretch film wrapping, then ship with containers: 20feet, 4feet, depends on ordering quantity; 2. Plywood case packing |
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Shipping |
We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc. |
Our Service
Pre Sale
Professional sales staff provide patient guidance, 24h/7d service, production according to customer requirements, and meet customer customization needs.
On Sale
Visualize the production process and provide customers with timely feedback on production progress, so that customers can fully understand the progress of their equipment and arrange the project progress reasonably.
After Sale
Regularly consult customers on the use of their equipment, and provide timely feedback or solutions within 24 hours for any problems.
Our Factory
Our company was established in 2002. Our factory is located in Zhucheng City Shandong Province of China, covers an area of 11000 square meters. We introduced Japanese original modified atmosphere sterilization technology, combined with the actual needs of the domestic food companies, developed a modified atmosphere sterilization retorts, and set a precedent for the domestic food companies, which is limited to the high temperature and high pressure sterilization mode, completely replaced imported sterilization equipment.
Our Certificate
Our company has a national pressure vessel manufacturing license qualification(Certificate Number: TS2237350-2013), and successfully passed the food safety regulator's Shandong Province, the KYL type retorts Open the door security chain device identification(ID: SY-WT-2010-0019), and the products have passed the ISO9001 international management system certification.
As one of the most professional water immersion retort suppliers in China, we're featured by quality products and low price. Please rest assured to buy customized water immersion retort made in China here from our factory. Contact us for quotation.
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