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胡椒初加工机械系列及热带作物施肥一体机等团体标准立项

2022-10-25 15:28:41 来源:中国农业机械流通协会标准部 阅读量:11763 评论

导读:胡椒(Piper nigrum L.)有“香料之王”的美誉,原产于印度西南海岸的热带雨林。

  【农机网 政策与标准】胡椒(Piper nigrum L.)有“香料之王”的美誉,原产于印度西南海岸的热带雨林,广泛分布于热带、亚热带地区。越南、巴西、印度尼西亚、印度、中国、马来西亚是胡椒的主产国家,在我国主要分布于海南、广东和云南等地。胡椒是重要的热带农产品,全球年消耗量在35万吨以上,我国年需量在3.5万至4万吨之间,主要用于调味品、食品添加剂、医药等领域,其中最主要的成品为白胡椒。
 
  鲜胡椒从树上摘下来后,要经过脱粒、脱皮、晾干才能变成人们常见的胡椒粒。胡椒脱粒是胡椒初加工环节中较为关键的一环。随着当前行业发展,胡椒的脱粒技术水平不断提高,胡椒的脱粒新技术得到应用和推广。但是在脱粒环节中,由于采用的措施与方法繁多,导致脱粒技术术语等方面出现的内容重叠、定义重复,相关企业在加工生产该机械时产生矛盾,导致胡椒脱粒机械化发展不平衡。上述问题皆是由于缺少相关标准与规范所导致的。为了促进胡椒脱粒机械的发展,应继续完善该行业的标准体系。
 
  现有的胡椒脱皮方法主要有传统水浸泡法、化学脱皮法、生物酶法和机械脱皮法四种。机械脱皮法采用脱皮部件与胡椒果粒相互摩擦作用的方式进行脱皮,但工艺需按照脱粒(人工或机械法)、风机去梗、青熟果粒分选、熟化、脱皮、机械漂洗、干燥、除杂、分级等流程才能得到品质较佳的成品,过程涉及的设备较多,工况复杂,成本较高,同时还存在因操作不当导致的脱皮不彻底、果核破损率高和浪费较严重等问题。该法已经成为胡椒初加工的主流模式,但与现有的自营农产品种植和管理模式还不相符,急需通过标准发挥行业推广作用。
 
  在白胡椒生产过程中,熟化也是很重要的一个步骤。这个过程需要相应的对胡椒鲜果粒进行熟化的设备,即熟化机。但由于胡椒熟化的过程受到多种因素的影响,存在熟化过熟或不熟的现象,造成熟化效率低,影响脱皮效果,因此急需一个新的标准来对胡椒加工过程提供技术指导。其中,胡椒熟化所需的蒸汽发生器标准是企业加工胡椒的重要依据,是保证胡椒质量,提高胡椒市场竞争力的前提条件,同时也是生产技术和生产能力的综合反映,同样需要进行标准化,以完善和制定标准发挥行业推广作用。
 
  有鉴于此,中国农业机械流通协会对胡椒初加工机械——胡椒鲜果脱粒机、胡椒鲜果脱皮机、胡椒熟化机和胡椒初加工机械(配套) 胡椒熟化蒸汽发生器等机械和配套设备进行团体标准立项。拟共同起草的单位包括中国热带农业科学院农业机械研究所、海南省农业机械鉴定推广站、昆明康立信电子机械有限公司、海南星汇达现代农业科技有限公司等。
 
  热带作物是适于热带地区栽培的各类经济作物的总称,在中国通常指在热带地区栽种的特种经济作物,种植范围主要在广东、海南、广西、云南 、福建、台湾等省(自治区),我国热带作物种植面积约占全国土地面积的5%,世界面积的1%。热带作物是我国重要的经济作物和特有资源,也是我国热带地区的支柱产业,在推进热区农业结构调整、增加农民收入等方面发挥着重要作用。
 
  热带作物常为多年生植物,种植方式多为行植且行距较大,受高温高湿等环境影响,往往需要在不同农艺环节、不同龄期进行多次施肥以达到茁壮成长和高产的目的。根据种植农艺的需求,肥料的施撒方式多以开沟后施肥覆土的模式进行,目的是进行须根培育以实现养分吸收。因热带作物地表多以藤类杂草为主,为便于施肥机械化管理,施肥以刮板式切藤开沟施肥一体化技术为主。中国农业机械流通协会对刮板式切藤开沟施肥一体机团体标准进行立项,拟共同起草的单位包括中国热带农业科学院农业机械研究所、华南农业大学、海南省农业机械鉴定推广站、徐闻曲界友好农具厂、广东农垦友好农场有限公司等。
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