Device and method for design of recirculating aquaculture system based on flow control
A technology for recirculating aquaculture and system design, which is applied in the field of design devices for recirculating aquaculture systems based on flow control, and can solve problems such as cumbersome design methods, difficult operations, and high RAS operating costs
Inactive Publication Date: 2018-06-22
INNER MONGOLIA UNIV FOR THE NATITIES
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Problems solved by technology
[0005] Aiming at the current high operating cost of RAS, the present invention proposes a system design based on a flow control method to minimize water cycle energy consumption and reduce operating costs; in view of problems such as difficult system design, difficult operation, and cumbersome existing design methods, it provides A design device and method for a circulating aquaculture system based on flow control, which has a modular design, simple parameter design, simple calculation process, and easy operation
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[0064] Specific examples are used to illustrate how to design a complete circulating water system:
[0065] Data collection and basic parameter determination:
[0066] Take the design of a semi-smooth tongue sole recirculating aquaculture system as an example, and the designed maximum aquaculture density is 60kg / m 3 , The market specification is determined to be 1500g per tail on average. Enter the relevant parameters into the spreadsheet shown in Table 1, and automatically calculate other parameters.
[0067] According to the biological characteristics of semi-smooth tongue sole, the water depth of the breeding pond is designed to be 0.5m. The aquaculture water body of the system can be designed according to the conditions of the construction site, or it can be calculated based on the expected output and the maximum aquaculture density. In this example, it is set to 1280m according to the construction site 2 , So the system’s aquaculture water volume is 640m 3 .
[0068] The maximu...
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The invention provides a recirculation aquaculture system design device based on flow control and a recirculation aquaculture system design method based on flow control. Firstly, basic parameters are set according to farmed species, a system total flow is calculated through calculating a farming biological system oxygen consumption amount and according to inlet and outlet water dissolved oxygen concentration, then a mechanical filter parameter is calculated to carry out model selection, a flotation tank volume and efficiency are calculated and model selection is carried out, the parameter of a biological filter is calculated again and the model selection of the biological filter is carried out, a biological filter oxygen consumption amount is obtained according to a total ammonia nitrogen production amount, and an air inflation amount is calculated according to the biological filter oxygen consumption amount. According to the recirculation aquaculture system design device and the method, a circulating water culture system is subjected to modular decomposition, a user can determines the parameter of each module according to breed biological characteristics and local environment characteristics, the method of the design and production of a corresponding module by an industrial enterprise and assembly by the user is used to establish a circulating water culture system, and the operation and maintenance are convenient.
Description
Technical field [0001] The invention relates to the technical field of aquaculture engineering, in particular to a design device and method for a circulating aquaculture system based on flow control. Background technique [0002] The core of recirculating aquaculture is the recirculation aquaculture systems (RAS). RAS is a factory aquaculture system that has the function of purification and treatment of aquaculture water and can be recycled. It is characterized by physical, chemical, biological and other methods. The metabolic waste generated during the breeding process is removed or degraded and recycled. RAS is a high-density aquaculture system. Through the separate treatment of the various components of the system, up to 90-99% of the aquaculture water can be recycled. This makes it possible to precisely control the aquaculture environment and water quality parameters to achieve the best Good breeding conditions. [0003] However, the circulating aquaculture system also has re...
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IPC IPC(8): A01K63/00A01K61/00
CPCY02A40/81
Inventor 杨景峰于建华胡宗福
Owner INNER MONGOLIA UNIV FOR THE NATITIES