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天津商学院制冷技术研究所与承德商业机械公司共同研制生产的积雪牌 DSJ 型对虾隧道式速冻机,1989年1月21日通过部级和省级鉴定。鉴定会是由商业部科技司和河北省科委联合主持。承德商业机械公司即将投入批量生产。我国是主要对虾出口国。近年来,我国对虾产量大幅度增长。但由于大部分在冷库急冻室内冻结,冻结时间长,冻品质量不高,工入劳动条件差,影响了对虾生产单位的经济效益和出口创汇能力。DSJ 型对虾隧道式速冻机的研制成功,使对虾冻结时间由10至16小时缩短为3.5至4小时,库温达-35℃以下,提高了冻品质量。该机采用先进结构设计和先进设备外,并在结构和性能上具有自身许多独创的特点,其中本次研制和使用成功的《虹吸式分水器》、《磁控加水控制器》、《多路电机故障报警器》和《温度追踪采集装置》四项研制成果申报了专利。因此该机具有连续、快速冻结的特点,提高了生产效率,冻品外型
Tianjin Institute of Refrigeration Technology and Chengde Commercial Machinery Company jointly developed and produced by the snow-type license plate type DSJ shrimp tunnel freezer, January 21, 1989 passed ministerial and provincial appraisal. Identification will be by the Ministry of Commerce and Science and Technology Commission of Hebei Province jointly co-chaired. Chengde Commercial Machinery Company is about to put into mass production. My country is a major shrimp exporter. In recent years, China’s shrimp production increased significantly. However, most of the freezing in the freezer, freezing a long time, the quality of frozen products is not high, labor into the poor conditions affecting the economic efficiency of shrimp production units and export ability to earn foreign exchange. The successful development of DSJ type shrimp tunnel freezer has shortened the shrimp freezing time from 10 to 16 hours to 3.5 to 4 hours and the library temperature reached below -35 ℃, which improves the quality of frozen products. The machine uses advanced structural design and advanced equipment, and its structure and performance has its own many original features, including the successful development and use of the “siphon water separator”, “magnetron water controller” and “more Road motor fault alarm ”and“ temperature tracking acquisition device ”four research results declared a patent. Therefore, the machine has a continuous, fast freezing characteristics, improve production efficiency, frozen appearance