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Self-pressure-reducing type dissolved gas releaser for sewage treatment

A technology of dissolved air releaser and sewage treatment, applied in the direction of flotation water/sewage treatment, etc., can solve the problems of poor use effect, complex structure, easy blockage, etc., and achieve the effect of good adhesion, no need to clean, and not easy to block.

Inactive Publication Date: 2016-12-14
珠海巨涛海洋石油服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the common problems of traditional dissolved air releasers such as complex structure, easy blockage, short service life and poor use effect, the present invention provides a simple structure, convenient installation and use, good damage rate, good use effect, no maintenance, and long service life. Air flotation dissolved air releaser

Method used

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  • Self-pressure-reducing type dissolved gas releaser for sewage treatment

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Embodiment Construction

[0014] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0015] Such as figure 1 As shown, the self-decompression dissolved air releaser for sewage treatment provided by the present invention includes an introduction chamber 2 and an outer cylinder 6, and is characterized in that an introduction chamber 2 is arranged around the bottom periphery of the outer cylinder 6, and the introduction The chamber 2 and the bottom of the outer cylinder 6 form a hollow structure. The introduction chamber 2 is provided with a plurality of flow guide holes 3 communicating with the bottom of the outer cylinder 6. One side of the introduction chamber 2 is provided with an introduction port 1 for high-pressure dissolved air water. , a swirl head is installed at the bottom of the outer cylinder 6, a plurality of guide vanes 4 are uniformly arranged at the bottom of the swirl head 5, and a flow guide for dissolved air and w...

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Abstract

The invention discloses a self-pressure-reducing type dissolved gas releaser for sewage treatment. The self-pressure-reducing type dissolved gas releaser comprises an introducing chamber and an outer barrel and is characterized in that the introducing chamber is arranged around the periphery of the bottom of the outer barrel, a hollow structure is formed by the introducing chamber and the bottom of the outer barrel, and a plurality of flow guide holes communicated with the bottom of the outer barrel are formed in the introducing chamber; a gas dissolved water introducing opening is formed in one side of the introducing chamber, a rotational flow head is mounted at the bottom of the outer barrel, a plurality of flow guide blades are evenly arranged at the bottom of the rotational flow head, space allowing the gas dissolved water to flow is arranged between the rotational flow head and the flow guide holes, and a gas dissolved water outlet is formed by the upper portion of the rotational flow head and an open part of the outer barrel. The self-pressure-reducing type dissolved gas releaser is simple in structure, released gas is fine, dense, even and stable, micro bubbles and suspended solids in water are attached well, floating is easy, and the releaser is not prone to be blocked and does not need to be cleaned during work.

Description

technical field [0001] The invention relates to sewage treatment equipment, in particular to a self-decompression dissolved air releaser for sewage treatment. Background technique [0002] In recent years, many sewage treatment projects in the world generally adopt the "air flotation method" to achieve solid-liquid separation, so as to achieve the purpose of water purification. The air flotation method uses air to be introduced into the water, and the gas is dissolved into the water under a certain pressure to form dissolved air water, and then the dissolved air releaser instantaneously decompresses and dissipates energy, releasing a large number of fine bubbles less than 25um, so that the flocculated harmful Substances, oily substances, etc. adhere to its surface, and the air bubbles float the flocculated harmful substances, oily substances, etc. to the water surface during the floating process, so as to achieve the purpose of solid-liquid separation and purification of wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/24
CPCC02F1/24
Inventor 毛礼涛郝海保张瑞革章成武刘琪超
Owner 珠海巨涛海洋石油服务有限公司
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