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Ammonia is a widely used refrigerant and can cause major accidents if it leaks. Recently, the Hefei City Safety Committee held an emergency meeting of the “Regional Meeting on Liquid Ammonia Utilization in Ammonia-related Refrigeration Enterprises in the Cityâ€. Xinsheng District Safety Supervision Bureau heard the action immediately. The only company in the region that uses liquid ammonia refrigeration is Yiqun Food Co., Ltd. The company’s related equipment was seized.
After the city’s work and deployment, the Xinzhan District Safety Supervision Bureau led a joint law enforcement team consisting of quality supervision, fire protection, and public security, and met with the chief person in charge of the Iraqi Food Group Co., Ltd. to conduct joint interviews and urged the company to immediately stop using liquid ammonia for refrigeration. And deadline to completely eliminate the hidden dangers, and then the company's rectification site inspection. At present, the company has invited qualified companies to withdraw liquid ammonia from the container and strive to dismantle liquid ammonia refrigeration equipment on schedule.
In fact, with the development of the industry and the continuous growth of the market, a series of problems have appeared in the refrigeration equipment industry in the country. Problems such as production safety, false propaganda, low-price competition, and product quality have begun to appear. In food processing and production, refrigeration equipment Some problems have also had some negative effects on the development of the industry. Obviously, it is imperative to strengthen the construction of industry order and standardize the healthy development of the industry.
From some refrigeration safety accidents, we can see that Ruixue's food refrigeration lines have been used for a long time and the Wengpai Industrial Refrigeration System caps have come off. It can be seen that many of the leakage accidents are due to equipment aging and failure to timely maintenance. Because the entire ammonia refrigeration system has a long pipeline and many connection points, there are relatively many “hazardous points†where accidents may occur.
If the leakage of the old system is difficult to fundamentally solve, it is currently more practical and feasible to install alarms, detection and defense systems in the equipment room to avoid major losses caused by leakage. However, some enterprises in the ammonia refrigeration industry have not yet tested or defended their systems, and they still rely on people to judge whether there are any leakage accidents. This is a great security risk.
In the process of food processing, the cooling tower can prevent impurities from entering the cooling pipe system and the evaporation loss of the cooling medium. Use soft water as a cooling medium, no scaling, no blocking of pipes, and less failure. Using air-cooled and spray-water evaporation heat-absorbing double cooling method, the cooling medium is completely closed and circulated. Cooling efficiency is high. The device is small in size, occupies a small space, is convenient to move and place, and does not require the construction of a pool. Using automatic intelligent control, the cooling mode can be automatically changed according to operating conditions, and the operation is simple and reliable. Wide use, can directly quench the quenching fluid, oils, alcohols and other non-corrosive media to the heat exchanger, the media is lossless, the composition is stable. The cooling tower fan solves the waste heat problem in the production process and ensures efficient and safe production.
In recent years, there have been frequent occurrences of safety accidents in China's refrigeration equipment. The ammonia leakage accidents caused by improper operation and equipment aging have become urgent problems in the current refrigeration equipment safety management. The main reasons for these problems are: the lack of a clear-time management department, and lack of systematic guidance on the safety of cold storage ice plants. Management does not pay attention; the sickness operation of refrigeration systems is very common.
Xiao Bian believes that safe production is the basis for the existence of an enterprise. Enterprises should integrate multi-faceted technologies and continuously optimize the refrigeration system so that customers can obtain maximum system use value and regulate the healthy development of the industry.
Refrigeration equipment running sick as a hidden safety problem
In 2012, the global refrigeration equipment market reached 29.1 billion U.S. dollars, and it is estimated that by 2018, this figure will reach 46.6 billion U.S. dollars. During the period from 2012 to 2018, the average annual growth rate will be 8.2%. The overall acceleration of economic development will inevitably drive the development of the industry. The development of the refrigeration industry has a very large space for development. With good quality, refrigeration equipment companies need to improve the quality of their products and provide better services to their loyal customers so as to achieve faster development.