Shandong Leader Machinery Co.,Ltd.

Frozen Meat Microwave Thawing Machine

The microwave thawing process for frozen foods includes melting and tempering. Melting is the rapid thawing of frozen foods in the microwave. The thawing operation of the general raw materials is done on the conveyor belt. The temperature adjustment is based on the thawing process to raise the frozen product from a certain temperature under freezing conditions to a temperature below zero to facilitate post-processing (such as dicing of frozen meat). The United States and Japan used 915MHz microwave (batch batch) thawing equipment for rapid thawing of frozen meat, which achieved satisfactory results. After thawing, the nutritional value and water content of the food are less changed. The conveyor belt type microwave thawing capacity is used, and the fish of 500kg (20kW) or 1t (50kW) can be thawed in 1h. Obviously, microwave thawing can greatly shorten the thawing time.
The LD-254745 series industrial defrosting equipment developed by the company not only suffers from the above confusion, but also attracts the attention of the market due to the advantages of quick thawing speed and uniform thawing. In a recent thawing of a batch of beef imported from Australia, LEADER MACHINE used this series of equipment to solve the problem of the number of problems that have been repeatedly hampered by unfavorable thawing, creating an unprecedented 22-year growth. quick defrost machine is the effect of thawing by the vibration of polar molecules and the elastic collision with surrounding molecules under the physical action of electromagnetic waves. The most notable feature of microwave thawing is thawing without freezing -4 °C - 0 °C. Due to the different dielectric constants of ice and water, the ability to absorb microwaves is different. Therefore, microwave thawing needs to be controlled below zero to prevent the generation of blood from above zero. It is also because of the characteristics of thawing and not freezing, which not only benefits the preservation of the product, but also facilitates the processing such as cutting. Therefore, the food which is thawed by this method has low production cost, high efficiency, no bacteria growth and small floor space, etc. advantage.

The dehydration rate caused by microwave thawing is slightly higher than that of natural thawing, which is mainly the control problem of thawing process conditions. The depth of penetration of microwaves in ice is greater than that of water, but the rate of absorption of water is faster than that of ice, and for heat, the effect of absorption is greater than the effect of penetration. Therefore, the melted and thawed region absorbs a lot of energy and easily causes an overheating effect in the thawed region. Therefore, the speed of thawing should not be too fast, and it is possible to use intermittent microwave thawing or reasonable control of the temperature regulation process.
Due to the difference in the loss factor between ice and water, the absorption capacity of microwave energy is different. In order to prevent the phenomenon of thermal fire control caused by the thawing process, the temperature of the defrosted product is often controlled below freezing point (a 2 to 4 ° C), and microwave thawing can also be used. /Blowing method to prevent local overheating of the surface and ensure product quality

Tunnels for quick defrosting meat, fish, seafood, fruits and vegetables is comparable to imported equipment in terms of structure, performance, and thawing effect, and the price is far lower than imported equipment. Microwave defrosting equipment can be based on the user's process characteristics, production and other requirements due to many problems in the domestic beef cattle breeding industry, leading to the increasingly tight domestic beef market. In order to alleviate this situation, the state has continuously adopted measures to import large quantities of beef from countries such as Australia and Brazil to meet the needs of domestic consumers. With the increasing number of imported beef, how to use the microwave energy technology to quickly and effectively thaw it has become a difficult problem for many enterprises in the industry, especially microwave energy equipment manufacturers. The technology of microwave thawing of frozen beef has not been unfamiliar in China, and its market penetration rate is increasing due to the health and convenience of this technology. However, it is unexpected that, because foreign beef cattle are generally larger than domestic varieties, the frozen beef blocks after cutting are also often, which seriously affects the speed and quality of freezing. Shandong leadermachine, which has made many achievements in the domestic microwave energy equipment manufacturing industry, has taken the lead in making breakthroughs in the above problems.

Thawing equipment, defrosted in 3 minutes, suitable for meat below 30cm, escort food safety! Built a simulation laboratory, process laboratory, equipment research and development laboratory to ensure the reliability of equipment

Microwave meat thawing equipment, because its microwave can be directly heated inside the material without the conduction process, also shows obvious advantages. For example, a piece of 25 kg meat is only two minutes from -15 ° C to -4 ° C. In addition, some experts said that because the 915MHZ microwave released by the device is longer than the wavelength of 2450MHZ, it has stronger penetrating power and is the choice for defrosting beef. But what is behind it is the technical strength. According to experts, microwave energy equipment is playing its positive energy and facilitating food processing. At the same time, there are potential risks of microwave leakage and damage to the human body. The larger the block size of the thawed material, the larger the input port of the required microwave thawing equipment, and the greater the risk of leaking microwaves. Therefore, without sufficient technical strength and superb manufacturing level, it is difficult to imagine such a perfect and risk-free microwave energy device.

Leader machin's contribution to the food industry is growing. In particular, the breakthrough of microwave thawing of super-large beef also reflects the company's important strength in the food processing industry. With the widespread application of microwave thawing equipment in domestic and foreign markets, Shandong LEADER MACHINE will also develop more world-leading levels. The products have made greater contributions to the rapid development of China's economy and the improvement of people's living

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