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Construction of cold storage and cold preservation of areca nut

  • Release date: June 13, 2019

    Popularity: 1811

  • contact number: thirteen billion three hundred and seventeen million three hundred and twenty-six thousand nine hundred and sixty-six
  • Introduction:
    Name of client: cold storage construction project of Hunan Hechang Food Co., Ltd
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    Customer name

    Hunan Hechang Food Co., Ltd

     Hunan Hechang Food Co., Ltd

    Cold storage construction project

    Betel nut seed Cold storage Low temperature storage cold storage project

    Location of cold storage project

    No.2 Chuanqi West Road, Jiuhua Economic Development Zone, Xiangtan City, Hunan Province

    Design temperature and installation purpose of cold storage

    The design temperature of the fresh-keeping storehouse is 0 ℃, which is used to store fresh areca nut seeds. The design temperature of low temperature storehouse is - 15 ℃, which is used to store processed betel nut seeds.

    Customer introduction

    Xiangjiang River, the hometown of great men. Hunan Hechang Food Technology Co., Ltd. was founded in 2012. Its headquarters is located in Jiuhua economic and Technological Development Zone of Xiangtan City, Hunan Province. It has four production bases, Xiangtan branch, Hengdong branch, Changde branch and Hainan Branch. Its marketing network covers more than 20 provinces and cities in China, with an annual output of more than 20000 tons of areca nuts. Its products include "jiaozui" and "Pinzi areca" and other brands.

    In early 2017, in order to quickly achieve the strategic goal of "being an innovation leader in betel nut industry", Hechang reached strategic cooperation with Hainan Academy of Agricultural Sciences on the basis of the original nearly Qianping advanced scientific research equipment laboratory, and established the first "betel nut intensive research post doctoral work station" in China, focusing on areca processing foundation and biotechnology, areca processing engineering and equipment automation, etc Research work.

    Cold storage construction site drawing

     Cold storage board

    Cold storage board

     Installation of air cooler

    install Air cooler

     Installation of cold storage

    Installation of cold storage

     304 stainless steel cold storage control box

    304 stainless steel cold storage control box

     Installation of refrigeration unit

    Installation of refrigeration unit

     Installation of cold storage door

    Installation of cold storage door

    Cold storage equipment

    The equipment adopts semi enclosed bize Compressor condensing unit +Gaoxiang air cooler.

    Design of areca cold storage

    Areca nut is one of the important medicinal plants. In the south, some ethnic minorities still use the fruit as a chewing hobby. Betel nut is native to Malaysia and mainly distributed in tropical areas such as Yunnan, Hainan and Taiwan in China. It is widely cultivated in tropical Asia. The optimum temperature is 10-36 ℃, the minimum temperature is not less than 10 ℃, the maximum temperature is not higher than 40 ℃, the altitude is 0-1000 meters, and the annual rainfall is 1700-2000 mm.

    People in Hunan love to eat betel nuts, especially in Xiangtan. Many betel nut manufacturers have settled in Xiangtan. Betel nuts are not easy to be preserved at room temperature. Therefore, many manufacturers choose to store betel nuts in cold storage. The temperature of areca nut cold storage is generally between - 10 ℃ and - 15 ℃, which can ensure the storage of areca nut and the long-term storage of raw materials.

    Methods of keeping betel nut fresh

    1. Traditional preservation methods

    In the past, the method of fumigation was used to dehydrate and dry the original betel nut. The disadvantage is that it is easy to be affected by moisture, heat and mildew. The yellow flower of areca nut processed at room temperature is very fast with aging, and the preservation time is not long. After processing, the taste of betel nut is also very poor.

    2. Fresh keeping methods of areca nut

    We know that betel nuts are not produced in Hunan Province, so areca nuts are transported from Hainan. During transportation, we can use refrigerated trucks for short-term storage. The storage time is about 15-20 days. The temperature of refrigerated trucks is kept at - 10 ℃ to - 15 ℃ to ensure the freshness of betel nuts.

    3. Fresh keeping methods of Areca catechu

    Although the processed betel nut has been dehydrated, it still has a shelf life at normal temperature. Here, the areca nut manufacturer will choose the fresh-keeping cold storage to keep the finished areca fresh. At this time, the temperature of the refrigerator is set at 8 ℃ to 11 ℃ to ensure the freshness of the betel nut.

    Design of fresh keeping cold storage in areca processing plant

    1. Long term storage of green areca nut in areca processing plant

    It is suggested that the design temperature of areca cold storage should be between - 10 ℃ and - 15 ℃, and multiple air coolers should be arranged in the cold storage, and two sets of independent refrigeration systems should be placed for refrigeration, so as to ensure the different requirements of cooling load in the cooling and heat preservation process of areca cold storage;

    2. Betel nut processing plant short-term storage of green fruit betel nut and prepared product food areca nut

    The design temperature of areca nut cold storage should be set between 8 ℃ and 11 ℃. The purpose of this design is to balance the energy saving and preservation of the cold storage, and extend the supply period of areca nuts to the maximum extent.

    The processing time of areca nut can be controlled from 12 ℃ to 10 ℃.

    After low temperature treatment, the water content, soluble sugar content and green content of areca nut peel and leaf tend to be flat, and the increase of crude fiber content slows down. Therefore, many areca nut manufacturers in Xiangtan gradually began to use the frozen storage of areca green fruits.

    There are different design methods for areca cold storage according to different storage period and processing stage. The professional cold storage technicians of Yangsheng electric and Mechanical Co., Ltd. will customize the most suitable design scheme for areca cold storage.