A kind of micro-nano bubble generator and oxygen increasing device
A technology of micro-nano bubbles and oxygenation devices, applied in watering devices, spraying devices, spraying devices, etc., can solve the problems of mismatched irrigation systems, large oxygen-enhancing bubble particles, and low oxygen concentration in water bodies, and achieve automation Irrigation operation, high matching degree, reasonable effect of turbulence intensity
Active Publication Date: 2021-11-19
XI AN JIAOTONG UNIV
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Problems solved by technology
[0003] The purpose of the present invention is to provide a micro-nano bubble generator and an oxygen increasing device, which can enhance the concentration of dissolved oxygen in irrigation water, improve the efficiency of gas-liquid mass transfer, and solve the problems of large oxygen-increasing bubble particles, low oxygen concentration in water body, and incompatibility with existing irrigation systems. matching problem
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[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0031] see figure 1 , a micro-nano bubble generator, including a portable installation inlet 1, a dissolved air water inlet 2, a turbulent flow chamber 3, a throat hole 4, a tapered channel 5, and a portable installation outlet 6 arranged along the medium flow direction and connected in sequence; There are at least two holes 4, the number of tapered channels 5 is equal to the number of throat holes 4, and the throat hole 4 is the entrance of the tapered channel 5; the turbulence chamber 3 is coaxial with the dissolved air water inlet 2, and the throat The center of the hole 4 is uniformly arranged along a certain circumference of the turbulent flow chamber 3;
[0032] Such as figure 1 As shown, along the flow direction of the medium, the diameter of the tapered channel 5 gradually increases, and the opening angle β of the tapered channel 5 is 6°-10°.
[00...
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The invention discloses a micro-nano bubble generator and an oxygen increasing device, comprising a portable installation inlet, a dissolved air water inlet, a turbulent flow chamber, a tapered channel, and a portable installation outlet arranged along the medium flow direction and connected in sequence; the turbulent flow chamber is provided with at least There are two throat holes, the number of tapered channels is equal to the number of throat holes, and the throat hole is the entrance of the tapered channel; the turbulence chamber is coaxial with the inlet of dissolved air water; the oxygenation device includes a micro-nano bubble generator, a gas-liquid Mixing pump and gas-liquid separation tank, the gas-liquid mixing pump is provided with water inlet and air inlet as the medium inlet of the whole device, the outlet of the gas-liquid mixing pump is connected to the inlet of the gas-liquid separation tank, and the outlet of the gas-liquid separation tank is connected to Portable installation entrance of micro-nano bubble generator; the invention is suitable for aerobic irrigation systems, and has a high degree of matching with existing micro-irrigation systems; it can generate a large number of micro-nano-level bubbles in a short time, and has high air-dissolving efficiency. The structure is simple, the volume is small, and the energy consumption is low.
Description
technical field [0001] The invention belongs to the field of oxygen-increasing irrigation, and relates to a micro-nano bubble generator and an oxygen-increasing device. Background technique [0002] Water, fertilizer, air, heat, and light are important factors that meet the needs of crop growth. The coordination of various factors determines the growth state of crops. Creating a suitable water, fertilizer, air, and heat environment is of great significance for crop growth. With the gradual popularization of water and fertilizer integration technology, aerobic irrigation has gradually become a key factor for increasing crop yield and efficiency. There is a great practical demand for the development of an aeration system that matches the existing irrigation system. Using this technology can alleviate the anoxic environment in the root zone of crops, increase the oxygen content in the soil, promote root growth, and improve root vitality. At present, the commonly used oxygenati...
Claims
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IPC IPC(8): A01G7/06A01G9/24A01G25/00C02F7/00
CPCA01G7/06A01G9/247A01G25/00C02F7/00Y02A40/25Y02W10/10B05B1/14B05B13/005
Inventor 魏正英冯培存张育斌张千张磊贾维兵
Owner XI AN JIAOTONG UNIV
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