Method and apparatus for harvesting water bloom blue algae

Abstract

The invention discloses a method and a device for harvesting water-blooming cyanobacteria. The method comprises the following steps that: A. the water-blooming cyanobacteria is enriched into algae-rich water on water surfaces of lakes, reservoirs and riverways; B. an algae sucker pump is used to suck the algae-rich water; C. the algae-rich water is conveyed to a filtering system of a caterpillar system on a ship and is filtered into algae pulp; D. the algae pulp is subject to reverse purging and then secondary filtration; and E. the algae pulp is concentrated and dehydrated into algal biscuits or algae mud through a belt filter press or a horizontal screw decanter. The device for harvesting the water-blooming cyanobacteria comprises an algae sucker, a caterpillar algae-laden water filtering device, the belt filter press and the horizontal screw decanter, wherein, the fore of the ship is provided with the algae sucker, a non-clogging pump or a membrane pump is arranged in the algae sucker, the upper end of the algae sucker is provided with an impurity prevention net, and a cover plate is provided with a hoisting ring; and the caterpillar filtering device is fixed on a main frame body, and a stainless steel foraminous conveyer is arranged below a filter screen. The method is easy to operate, saves the energy, has low cost, a simple structure and convenient use, and effectively solves the problems of harvesting, concentration and dehydration of the water-blooming cyanobacteria accumulated in the lakes, reservoirs and riverways.

Description

technical field [0001] The invention relates to harvesting of cyanobacteria blooms, more specifically to a method for harvesting cyanobacteria blooms on a ship, and also to a device for harvesting cyanobacteria blooms. Background technique [0002] In recent years, due to the rapid development of industry, the rapid increase of population, the aggravation of urbanization, and the severe environmental pollution, the degree of eutrophication in many water bodies in my country has intensified, causing a large number of algae, especially blue-green algae, and some water bodies even have serious blue-green algal blooms. Hua, directly affects the quality and availability of water bodies, and endangers the health of livestock and human beings. A large number of cyanobacteria blooms in lakes in the middle and lower reaches of the Yangtze River occurred from April to October, especially in the high temperature season from July to September. A large number of blooms of cyanobacteria i...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for harvesting cyanobacteria blooms on board, which is easy to implement, easy to operate, energy-saving, and low in cost, and can effectively solve the problem of harvesting and concentrating cyanobacteria blooms accumulated in large quantities in water bodies such as lakes, reservoirs, and river courses. , dehydration problem

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