With the rapid development of modern science and technology and aquaculture, the scale of industrial fish farming has been expanding in various countries in recent years, and the new aquaculture technology has achieved remarkable results in improving fish production, reducing energy consumption and saving water resources. The lack of water for closed-cycle aquaculture technology designed to conserve water is a major problem facing the world today. Under such circumstances, developed countries basically do not develop water-rich fish farming industry but focus on development. Closed-cycle aquatic aquaculture equipment further improves water treatment technology to reduce daily water change. On the other hand, ship-type and offshore platform-type flow-through fish culture equipment that are produced on the sea will also have a certain degree of development in Western Europe and the Nordic countries. Oxygen-enhanced Oxygen Technology to Increase Unit Production In recent years, Denmark, Germany and some other countries have successfully designed and built aquaculture equipment that uses liquid oxygen to aquaculture ponds and biofilters to increase oxygen, which has greatly increased fish production per unit surface. . U.S. and Sweden and other countries have developed a pressure swing absorption system to produce oxygen, which can directly produce 85% to 95% of oxygen enrichment in fish farms, so that farms away from the city can also use pure oxygen aeration technology.
At present, scientists are making great efforts to study the best way to increase oxygen by pure oxygen, so as to make this technology popular rapidly. Treatment of Polluted Water Treatment Technologies Freshwater fish wastewater treatment is an important issue in the development of industrial fish farming technology. German scientists designed a biofilter in the middle of the aquarium, which not only has a thermal insulation effect but also reduces energy consumption. It has a high practical value and is valued by various countries. The combined design of this fish pond and the filter tank will have New development. At the same time, developed countries with advanced industrial fish culture technology will also develop new types of fish farming wastewater treatment equipment with small size, low cost, and strong sewage treatment capacity according to the characteristics of their respective water treatment technologies. Low-cost heat pump temperature control technology is one of the most important aspects of industrialized fish farming; the cost of heating is a considerable figure when the daily water exchange rate is 8% to 10%. Heat pump is. A new type of energy-saving temperature control device can save about 50% energy than conventional temperature control devices.
Japan and the United States first used it for fish farming in the 1980s. With the new century, heat pump manufacturing technology will become more and more advanced, and costs will gradually decline. Increasingly advanced aquaculture monitoring technology is currently used in more advanced industrial aquaculture equipment using computer-controlled sensing devices to collect and analyze data on water quality, such as oxygen content, pH, water temperature, water level and circulation, and is equipped with appropriate alarms. And emergency system. Some farms also use television cameras to scan the surface of the water to get food intake, or use computers to arrange the best amount of feed to obtain the best conversion rate. In addition, breakthroughs will also be made in the rapid determination of important water quality data, such as ammonia nitrogen content and nitrite content, in order to monitor water quality more effectively and make industrialized fish farming more reliable and stable.
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