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Self-sucking type nozzle in two phases of gas-fluid with structure of convex circular ring

A self-priming, nozzle technology, used in liquid injection devices, water aeration, injection devices, etc., can solve problems such as difficulty in adapting to different processes, inspiratory volume, and unsatisfactory dissolved oxygen rate, and improve inhalation and air flow. Liquid contact time, easy to popularize and implement, good effect

Inactive Publication Date: 2007-12-05
MAOMING COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of its structural design, the existing self-priming aerators are not ideal in terms of air intake and dissolved oxygen rate, and it is difficult to adapt to the needs of different processes.

Method used

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  • Self-sucking type nozzle in two phases of gas-fluid with structure of convex circular ring

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Embodiment Construction

[0008] Referring to Figure 1, the nozzle is a cylindrical structure, the lower end is the nozzle outlet, and consists of three concentric cylinder sets of inner cylinder 1, middle cylinder 2, and outer cylinder 6, and the inner cylinder 1 suit is fixed on the middle cylinder 2, its lower end is a tapered liquid spray nozzle 3, the diameter of the liquid spray nozzle 3 should make the liquid flow rate between 10 ~ 40 m / s, the middle cylinder 2 in front of the liquid spray nozzle 3 has a built-in convex circle The ring body 5, the gap between the liquid spray nozzle 3 and the convex annular body 5 forms a ring-conical gap position 4, and the distance between the upper end surface of the convex annular body 5 and the lower end surface of the liquid spray nozzle 3 is the liquid spray nozzle 3 1 to 4 times the diameter, the smallest diameter in the middle and upper part of the convex ring body 5 is a constriction, the inner diameter of the necking is 1 to 4 times the diameter of the...

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Abstract

The present invention relates to a new-type self-feeding gas-liquid two-phase nozzle with projected circular ring structure. It includes an internal cylinder, an external cylinder and an intermediate cylinder. The lower end of said internal cylinder is equipped with a reducing liquid-spraying nozzle, an air suction inlet is set on the external cylinder, the internal cylinder is cover-mounted and fixed in the intermediate cylinder, in the front position of liquid-spraying nozzle in the intermediate cylinder interior a projected circular ring body is set and between the liquid-spraying nozzle and projected circular ring body a circular ring gap is formed, on the intermediate cylinder the air distributing holes are arranged and the reduced neck of the projected circular ring body is equipped with air distributing holes which are communicated with and correspondent to the above-mentioned air distributing holes, between the external cylinder and intermediate cylinder an distributing chamber is set. Its structure is novel, and its oxygen dissolubility is high.

Description

technical field [0001] The invention relates to a waste water treatment device, in particular to a self-suction gas-liquid two-phase nozzle with a convex ring structure. Background technique [0002] Gas-liquid two-phase mixing is a common mixing method, such as the gas-liquid mixed reaction process in the petrochemical industry, the mixed combustion process of fuel and air, the cooling of materials, the dehydration and drying process, etc. Aerobic biological treatment of organic wastewater is an environmental treatment technology that has been widely used and has good development prospects. The air flotation process of oil removal and suspended solids removal is also a unit operation commonly used in environmental engineering. The normal operation of these two processes, Both need to blow enough air into the system to mix the gas-liquid two-phase, and the degree of mixing directly affects the treatment effect. In the organic wastewater aerobic biological treatment device, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B1/02B05B7/04C02F7/00
CPCY02W10/10
Inventor 李德豪周如金胡智华钟华文林培喜周锡堂
Owner MAOMING COLLEGE
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