Aerator ejector

A jet device and aerator technology, applied in chemical instruments and methods, water aeration, sustainable biological treatment, etc., can solve the problem of large power consumption, inability to vary power efficiency and mixed outflow velocity, limiting aerators, etc. problems, to achieve a higher degree of oxygenation, reduce suspended debris in pool water, and increase the number of aeration times

Inactive Publication Date: 2008-06-11
HUAIHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Due to structural limitations, it is impossible to obtain different power efficiency and mixed outflow velocity values ​​in one aerator
Its power consumption is large, thus limiting the application of aerators

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] An aerator jet, which includes a suction chamber 8, a throat tube 9, and a diffusion tube 10. The suction chamber 8 has an incident water flow inlet facing the throat tube 9, and the incident water flow inlet is equipped with a nozzle 2 and the incident water flow inlet A water inlet pipe 3 is connected to the outside of the air suction chamber 8, an outer air inlet 7 is provided on the side wall of the suction chamber 8, and an adjusting pipe 5 is installed in the axial direction in the nozzle 2, and the adjusting pipe 5 is provided with an inner suction hole, The hole wall is required to be very smooth, the wall thickness of the regulating tube 5 should be able to ensure that the regulating tube is basically not bent when impacted by water flow, and the diameter and wall thickness of the effective regulating section of the regulating tube 5 located in the nozzle 1 gradually decrease.

[0018] The water inlet pipe 3 is an elbow pipe connected with the external submersible ...

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PUM

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Abstract

The jet device of oxygenator includes an air sucking chamber, a throat pipe and a diffusion pipe. The air sucking chamber has a water flow inlet with nozzle, an outer air inlet on the side wall, a regulating pipe with inner air sucking hole and mounted axially inside the nozzle, and a bending water inlet pipe, a rack set in the water flow inlet. The regulating pipe has the inner end set at the nozzle, the middle part set on the rack and the outer end fixed to the side wall of the bending water inlet pipe. The area ratio between the inner hole cross section of the throat and the annular cross section of the nozzle is 3.5-4.5, reaching optimized air-water mixing effect. The jet device of oxygenator has raised aeration efficiency.

Description

Technical field [0001] The invention relates to an aerator for high-density aquaculture, in particular to an aerator jet. Background technique [0002] Aeration equipment is an indispensable condition for high-density aquaculture. Jet aerators use jet aeration mechanism to oxygenate the water. It has many unique advantages. In addition to being suitable for general breeding occasions, it can also solve general problems such as under-ice and deep water. Surface aeration is difficult to solve. The jet is the core structure of the jet aerator. In a common self-priming jet, when a certain pressure of working medium passes through the nozzle of the jet, it is ejected from the nozzle at a high speed. A high-speed jet is formed. After the jet passes through the suction chamber and carries gas, it enters the throat mixing chamber. At this time, the suction chamber forms a negative pressure, and external air is constantly supplied. The gas-liquid mixed flow enters the diffuser from the mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K63/04C02F7/00
CPCY02W10/10
Inventor 周建来
Owner HUAIHAI INST OF TECH
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