Fish Feed Machine Knowleagde

  • High-density aquaculture technology; a limited view of high-density aquaculture technology is the development trend of today's aquaculture technology. Through the use of workshops and corresponding automated electrical equipment, the cultivation of aquatic products is realized. By adopting reasonable measures, it can effectively realize the reasonable control of water temperature, water quality, dissolved oxygen, light, feeding, sterilization, disinfection, wastewater treatment and other factors in the breeding process. In this way, it is ensured that the raised aquatic products grow in the best environment, thereby ensuring that aquatic products will be marketed in a balanced manner throughout the year. To this end, it is of great significance to do a good job in the research and analysis of high-density aquaculture technology, and to provide a certain reference for promoting the development of aquaculture technology in my country.

    1. Water treatment of high-density aquaculture
    1. Water treatment of aquaculture in the process of aquaculture, water quality is a key factor affecting aquaculture. In the process of water quality monitoring related indicators, the dissolved oxygen and nitrogen content in water are important indicators that reflect water quality. In the process of fish breeding, when the dissolved oxygen in the water is less than 3-5mg/L and the content of non-ionic ammonia is greater than 25ug/L, it will affect the growth of the fish, and even cause the fish to suffocate and die. In summer, fish and shellfish belong to the peak season of growth, and the higher excretion rate will seriously pollute the water quality. The deterioration of the water body will accumulate a large number of bacteria and viruses in the water, which will induce the death of fish. Aquaculture wastewater contains nutrients such as nitrogen and phosphorus. If it cannot be treated in time and discharged into the environment, it will easily produce eutrophication of the water body, pollute the water quality, and cause red tides. In the process of high-density aquaculture, for the treatment of water quality, it is first necessary to realize the optimization of wastewater resources and establish an ecological model of comprehensive utilization of water and fertilizer resources. Secondly, we must do a good job in the research of water quality evolution technology to realize the recycling of water bodies. Combine the purified waste water and waste water resources to establish a semi-artificial ecosystem, strengthen the natural purification efficiency of waste water and the waste water body, and use multiple levels, multiple angles, and multiple channels to reuse the material and energy in the waste water. To a certain extent, the environment of natural water bodies is protected, and more importantly, waste water is used rationally, which increases a certain amount of material wealth. For the treatment of wastewater resources, the most commonly used and economical method is land treatment. In the development process of land treatment at home and abroad, although it has experienced a long and tortuous process, ecological wastewater treatment projects can be divided into three types, namely: slow infiltration, rapid infiltration and surface overflow. Using a soil-based farmland ecosystem can not only treat the pollutants in wastewater, but also use them to produce useful products for humans. With the shortage of water resources and environmental pollution, various countries will adopt sealed aquaculture methods to improve water treatment.
    2. Aquaculture water evolution treatment The purification treatment of water quality is to filter the water, remove the excrement of fish in the water, and remove the toxic and harmful substances in the water. The treatment method of aquaculture water is similar to that of industrial water treatment, mainly physical, chemical, and biological methods can be used. In the method of biological water treatment, biological filter, biological rotary disc, biological rotary drum and other processing methods can be used. In water treatment methods based on physical principles, mechanical filtration can be used to treat water quality. In terms of chemical water treatment, ozone water treatment methods and the use of polymer heavy metal adsorbents can be used to improve water quality. High-density aquaculture technology has developed rapidly at home and abroad. Through the use of modern science and technology, the water disinfection, purification, aeration, sewage, and temperature control have been effectively realized. The degree of automation of high-density aquaculture is continuously improving.

    2. High-density recirculating aquaculture project
    1. Traditional aquatic product breeding problems Traditional aquaculture methods have broken the ecological balance. Due to the impact of self-pollution and environmental pollution, aquaculture will cause many problems. Environmental pollution has caused some aquatic products to be harmed by chemical substances in the waters of the growing environment. After passing through the food chain, they will eventually be concentrated in aquatic products. Some unscientific breeding methods often produce diseases, thereby laying hidden dangers to humans.
    2. Background of the production of high-density farming High-density farming has a history of nearly 30 years in the world, and it has developed to more than a dozen countries on five continents. Due to the shortage of water resources, the use of high-density breeding techniques can save water. Using high-density aquaculture products, healthy, pollution-free, good taste, "green" food, the price is relatively high. High-density aquaculture technology, no seasonal influence, low risk, high return on investment.
    3. The characteristics of high-density aquaculture The main features of high-density aquaculture are as follows: First, suitable temperature aquaculture, suitable temperature can ensure the growth of fish at the best temperature, and ensure better and faster growth of fish. Second, change the environment to raise the growth rate of fish by changing the breeding environment. Third, high-oxygen aquaculture. When the dissolved oxygen in the water is saturated, the growth of fish will be the fastest, and the feed used will be the least. At the same time, hyperoxia can prevent diseases.
    4. The main process of high-density circulating aquaculture uses engineering technology and biotechnology to realize high-density circulating aquaculture. That is, relying on the support of technology and technical equipment, artificially establish a close-to-natural aquatic environment, adopt scientific and reasonable breeding methods to create a good living environment for the breeding objects, so as to achieve the purpose of high quality, high yield and high efficiency. High-density aquaculture technology has different technical routes, and the involved equipment is complex and has its own characteristics. The main process links are removal of solid waste, removal of water-soluble harmful substances, disinfection and sterilization, aeration and temperature adjustment, and water quality treatment. 3. Conclusion High-density aquaculture technology is the development trend of today's aquaculture industry.

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