Method for heat preservation of seawater aquaculturing pond in winter

海水养殖池塘冬季保温方法

Abstract

The invention discloses a method for heat preservation of seawater aquaculturing pond in winter, comprising the following steps of: uniformly setting woodpiles in the pond, and piling at intervals from 10 meters to 20 meters before the icing of the surface of the aquaculturing pond in winter, wherein the upper end of the woodpile is 20-50 cm higher than water level; filling water to the pond at the largest extent according to the capacity of the pond before icing; opening the gate of the pond after the icing of the surface of the pond with 20 cm thickness of the ice, draining or pumping a part of water in the pond to form a gap with 10-20 cm between the water level and the ice; pouring seawater or fresh water on the ice surface by a pump at the temperature lower than 5 DEG C below zero of the weather so as to increase the thickness of the ice layer and keep the thickness of the ice layer to be at least 20 cm. Air is relatively a hot poor conductor, the air between the ice layer and the water level acts a role of heat preservation, so that compared with the conventional regular method, the method ensures that the water temperature is increased by 4-6 DEG C, and various seawater aquacultural matters can continuously grow in winter.
一种海水养殖池塘冬季保温方法,步骤如下:在冬季养殖池塘表面结冰前,在池塘内均匀设置木桩,间隔10米~20米打桩,木桩上端高出水面20厘米~50厘米;结冰前按池塘容量最大限度灌满池水;待池塘表面结冰后,并冰面厚度达20厘米,打开池塘闸门,将池塘中的水排除或抽出部分,使水面与冰之间形成10厘米~20厘米间隙;选择气温低于-5℃的天气,用泵将海水或淡水浇注于冰面,以增加冰层厚度,并保持冰层厚度至少为20厘米。空气相对是热的不良导体,冰层与水面之间的空气起到了保温的作用,使水温较比现有的常规方法提高4℃~6℃,众多海水养殖物在冬季可继续生长。

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