The use of anti-seepage membrane construction in fish pond and water tank has become the main choice. The main function of impermeable membrane (geomembrane) is to prevent farmed fish from coming into contact with the soil and avoid water pollution.
Lay a 3cm thick cement mortar layer on the anchored composite geomembrane, level and compact it, and then lay a 10cm thick precast concrete block on top. Ensure that the above construction processes are closely connected to avoid long-term exposure to sunlight and dehydration aging of the composite geomembrane after anchoring. The anti-seepage composite geomembrane protective layer for irrigation channels uses grade 42.50 Portland cement and M10 cement mortar, with a weight ratio of cement to sand of 1-4. To prevent the overall sliding of the mortar layer along the membrane layer during cement mortar plastering, a 5cm deep groove should be added at the connection between the cement mortar layer and the channel bottom to enhance the stability of the mortar plastering layer.
The selection of aquaculture geomembranes: In fact, there is no such thing as a good one for aquaculture geomembranes. Currently, most geomembrane manufacturers can produce good geomembranes that meet the needs of aquaculture. The product quality of aquaculture geomembranes mainly includes three types: those produced from recycled materials, those produced from white materials, and those produced from new materials.
The aquaculture geomembrane produced from recycled materials has poor and complex material quality because of the use of recycled materials. The aquaculture geomembrane produced from recycled materials is not very good in terms of strength, elongation and anti-aging, but the aquaculture geomembrane produced from recycled materials is cheap and can be used for about 2 years when exposed to the outside. It is suitable for short-term and extensive aquaculture.
As for the aquaculture geomembrane produced with white material, the white material belongs to a lot of recycled materials. The material quality of the product is slightly better and the material quality of the product is purer than that of the recycled material. The elongation and anti-aging capacity of the aquaculture geomembrane produced with white material are relatively good. In addition, the price of the aquaculture geomembrane produced with white material is moderate, and the service life of the exposed geomembrane can reach about 5 years. Suitable for most aquaculture.
The aquaculture geomembrane produced with new materials is made of imported plastic pellets, which have excellent material quality and no impurities. The aquaculture geomembrane produced with new materials is non-toxic, odorless, with strong tensile capacity, high elongation and long anti-aging service life, but the price of the aquaculture geomembrane produced with new materials is high. Exposed to the outside, it has a lifespan of up to 10 years and is suitable for long-term, high-quality, and refined aquaculture.