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2024

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11

The thermal sterilization principle and temperature of food sterilization equipment

The core principle of thermal sterilization is based on the temperature sensitivity of microorganisms. Under suitable conditions of temperature, humidity, and nutrients, microorganisms can multiply rapidly, leading to food spoilage. However, when exposed to high temperatures, their cellular structures and physiological functions are disrupted, resulting in loss of viability. Thermal sterilization capitalizes on this property by applying heat to eliminate harmful microorganisms—such as bacteria, molds, and yeasts—from food products. Common thermal sterilization equipment includes autoclaves and water‑bath sterilizers. In an autoclave, high‑temperature, high‑pressure steam is the key factor in achieving sterilization. When the steam comes into contact with the food, its heat is rapidly transferred, raising both the internal and surface temperatures. Throughout this process, temperature plays a decisive role. Generally, different types of microorganisms exhibit varying degrees of heat resistance; for example, most bacterial spores require exposure to temperatures around 121°C to be effectively inactivated. Consequently, for foods that need long‑term preservation and are prone to spore contamination—such as canned goods—sterilization is typically carried out using high‑temperature, high‑pressure steam at 121°C. Water‑bath sterilizers, on the other hand, achieve sterilization by immersing food in hot water. The temperature of the hot water usually…

24

2024

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10

The design of the agitator paddle in a planetary mixing wok significantly influences the stir-frying outcome.

The stirring paddle is one of the core components of a planetary mixing and frying cooker, and its design directly affects the blending, stirring, and frying performance of the materials inside the pot. A carefully engineered stirring paddle ensures thorough mixing and uniform distribution of the ingredients, resulting in a product with a more consistent texture and finer finish. First, the shape and structure of the stirring paddle play a crucial role in determining the frying outcome. Different shapes and structures produce distinct stirring patterns, catering to varying processing requirements. For instance, some paddles feature specially designed blade profiles that efficiently push materials toward the bottom of the pot, enhancing heat transfer and frying efficiency, while others adopt multi-layered designs to achieve more even mixing, preventing localized overheating or uneven results. Second, the rotational speed and direction of the stirring paddle also significantly influence the frying process. An appropriate speed ensures adequate mixing without compromising the material’s structure, whereas a well‑balanced rotation promotes orderly fluid motion within the pot, boosting both efficiency and quality. Advanced planetary mixing and frying cookers are often equipped with intelligent control systems that automatically adjust the paddle’s speed and rotation based on specific frying processes and material characteristics, enabling highly precise process control.

14

2024

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10

Can the heating system of a planetary mixing and frying pan meet the processing requirements for special foods?

Low-temperature cooking aims to prepare food at relatively low temperatures over extended periods, thereby preserving its nutrients, texture, and color to a greater extent. For planetary‑style stir-fry woks, the advanced heating system offers precise temperature control. Equipped with high‑precision sensors and an intelligent control system, the wok can maintain a stable, low‑temperature range that meets the demands of low‑temperature cooking. Whether you’re preparing tender fish, premium steaks, or other temperature‑sensitive ingredients, the planetary stir‑fry wok ensures the ideal heat level, preventing overheating that could compromise nutrition and flavor. During low‑temperature cooking, the wok’s stirring function also plays a crucial role. Uniform stirring helps distribute heat evenly, minimizing the risk of localized overheating or undercooking. At the same time, stirring promotes thorough blending of ingredients with seasonings, enhancing the dish’s overall taste. Moreover, high‑quality planetary stir‑fry woks typically feature premium heating elements and insulating materials, effectively maintaining consistent internal temperatures, reducing heat loss, and improving energy efficiency. As for high‑temperature deep frying, planetary stir‑fry woks excel as well. Fried foods are beloved by consumers for their crisp texture and appealing golden hue.

24

2024

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09

What safety protection devices does a planetary mixing wok have?

The overheating protection device is one of the key safety features of a planetary mixing and stir-frying cooker. During cooking, if the equipment’s temperature rises excessively, it can adversely affect food quality and even lead to safety incidents. The overheating protection system continuously monitors the equipment’s temperature; once the temperature exceeds the preset safety threshold, it automatically shuts off the heating source, preventing further temperature escalation. This ensures both food safety and quality while also protecting the equipment from damage due to overheating. Leakage‑current protection is equally indispensable. Since planetary mixing and stir‑frying cookers rely on electricity during operation, there is an inherent risk of electrical leakage. Such a protection device promptly detects any leakage and swiftly cuts off the power supply when a fault occurs, safeguarding the personal safety of operators. With high sensitivity and rapid response, it effectively prevents potential hazards. In addition, planetary mixing and stir‑frying cookers are typically equipped with an emergency stop button. During operation, should unexpected situations arise—such as equipment malfunctions or operator discomfort—pressing the emergency stop button immediately halts the machine, thereby preventing the incident from escalating. These buttons are usually mounted on the control panel in a clearly visible location, enabling operators to quickly locate and activate them in emergencies. The equipment’s sealed…

13

2024

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09

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