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  • 养殖尾水排放处理利用势在必行
  • 本站编辑:杭州鼎辉环保科技有限公司发布日期:2018-01-29 13:47 浏览次数:

随着环保力度的加强,对养殖池塘尾水排放提出了更高的要求,加之水资源税即将出台,水产养殖应探索新模式,养殖池塘尾水的处理与循环利用势在必行。

With the strengthening of environmental protection, higher requirements for tail water discharge of aquaculture ponds are put forward. In addition, water resources tax will be introduced soon. New modes should be explored for aquaculture, and the treatment and recycling of aquaculture ponds must be imperative.


养殖水体中的总有效氮含量随着养殖数量的增加而增加,在池塘养殖中投喂的饲料,有未被鱼类食用的占5-10%,而在被鱼类食用的饲料中又有25-30%以粪便的形势排出。

The total effective nitrogen content in aquaculture water increased with the increase of breeding quantity. The feed that was fed in pond culture was 5-10% which was eaten by the non fish, and 25-30% in the feed consumed by fish was excreted in the stool.


氮的输入,饲料占90-98%,氮的输出,鱼类占20-27%,沉积的氮占54-77%,磷的输入中饲料占97-98%,而沉积的磷占输出的72-89%,鱼类的输出仅占8-24%。即说明饲料中氮、磷含量除小部分供给养殖鱼类生长外,大部分在池塘中沉积,造成浪费和污染。

Nitrogen input, feed 90-98% and nitrogen output, fish account for 20-27%, deposited 54-77% accounted for 54-77%, feed for phosphorus accounted for 97-98%, while sedimentary phosphorus accounted for output of 72-89%, fish output accounted for only 8-24%. That means that the content of nitrogen and phosphorus in the feed, in addition to a small portion of the feed for the growth of fish, is mostly deposited in the pond, causing waste and pollution.

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超量投喂的人工饲料、施放的有机肥料和生物排泄物等使池塘中含有大量的有机物质。溶解的有机物质是细菌的营养物,为致病菌的繁殖生长提供条件,增加养殖生物患病的可能。过多的有机物质分解需要消耗大量的氧气,使池塘易发生缺氧状况,水质易恶化,影响养殖生物生长。

A large amount of organic matter is contained in the ponds by overfeeding of artificial feed, organic manure and biological excreta. Dissolved organic matter is the nutrient of bacteria, which provides conditions for the breeding and growth of pathogenic bacteria, and increases the possibility of the disease of the cultured organisms. Too much organic matter decomposition needs to consume a lot of oxygen, which makes the pond easy to take place anoxic condition, the water quality is easy to deteriorate, and affects the growth of the culture.

养殖生产不仅采取科学的投喂和管理,还需建立池塘尾水处理系统,配备净化处理池塘,经过三级处理后通过泵重新引入养殖池塘,再循环用于养殖生产。

Aquaculture not only takes scientific feeding and management, but also needs to establish pond tail water treatment system, equipped with purification pond, after three level treatment, it is introduced into aquaculture ponds by pump, and then recycled for aquaculture production.

一级净化塘中种植水生植物并养殖草食性鱼虾;经溢流坝进入二级净化塘,种植多种具有高效吸收氮、磷等营养物质能力的经济型水生植物并养殖鲢、鳙、青虾、蚌类等水生动物,是整个循环水系统中比较重要的主体部分;再经溢流坝埂进入三级净化塘,利用水生植物的光合作用抑制富营养化净水,并施用光合细菌、芽孢杆菌等微生物净水,然后通过泵重新引入养殖池塘。

A purification pond cultivation of aquatic plants and herbivorous fish farming; the overflow into the two stage purifying pond, planting a variety of efficient absorption of nitrogen and phosphorus ability of economical aquatic plants and farming silver carp and bighead carp, shrimp, mussels and other aquatic animal, is the most important part in the whole part of the circulating water system after entering the three spillway; Geng purification pond, using aquatic plant photosynthesis inhibition of eutrophic water, and the application of photosynthetic bacteria, bacillus and other microorganisms of clean water, and then through the re introduction of aquaculture pond pump.

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