OPERATION OF MIXING ZONES OF BARBOTAGE EXTRACTOR IN STABLE HYDRODYNAMIC REGIME Текст научной статьи по специальности «Строительство и архитектура»

OPERATION OF MIXING ZONES OF BARBOTAGE EXTRACTOR IN STABLE HYDRODYNAMIC REGIME

Boyqo'zi Jo'raqo'ziyevich Ilhomjon Mahmudjon Oybek Davlatali o'g'li Xursanov o'g'li Mamarizayev Akbarov

Ferghana Polytechnic Institute

ABSTRACT

In the article the contact time of the phases of the extended bubble extractor equations for determining the amount of gas have been proposed for the operation of the mixing zones in a stable and equal-intensity hydrodynamic regime.

Keywords: Mixing time extension, extractor, contact time, bubble, liquid and gas flow, mixing zone, gas volume, satellite flow, reverse flow, barbotage, liquid and gas stream, mixing zone, gas quantity, company steam, opposite steam.

The advantage of the bubble extractor [1] is that the mixing of the non-added liquids is carried out in zigzag-shaped mixing zones. This prolongs the mixing time of the liquids in contact under rapid conditions and consequently increases the efficiency of the extraction process. In this apparatus, the liquid and gas flows are satellite current in the main bubble pipe, counter-current in the 1st ring channel, and satellite current in the 2nd ring channel.

Volumetric amounts of gas in the above mixing zones of the extractor 0O,01 and 02 are important in the design of the apparatus, because depending on them the dimensions of these zones of the apparatus are determined.

The amount of gas in the mixing zones of the extractor for stable and equal hydrodynamic operation 0O,and 02 s should be equal.

The internal bubble tube of the apparatus and the fluid and gas moving in the 2-ring channel are determined as follows by the satellite flow [2,3].

00,02 = (1 — 0,04wc) 01 (1)

In the first ring channel of the device, the value of the amount of gas is determined as follows, because the movement of liquid and gas is opposite [2,3].

01 = (1 + 0,04w1c) 01 (2)

Here &>c - main bubble pipe and 2 - flow rate of liquid moving in the ring channel,

(m / s);

^C"- flow rate of the liquid moving in the first ring channel, (m / s). Uzbekistan www.scientificprogress.uz Page 170

1 - equation шс = 0 ^ 20 м/сек the velocity of the satellite is appropriate for flowing liquids and gases [2].

Equation 2 шс = 0 ^ 10 м/сек^ opposite of velocity is appropriate for countercurrent liquids and gases [2].

ф± - is the amount of gas in the liquid at rest, which is determined by the following equation [2]

01 = 2,47 • ^r0'97 (3) Here шг - velocity of gas in the mixing zone, m / s.

Using Equation 3, it is possible to determine the limit value of the amount of gas for the quiescent state of the liquid. The value of the amount of gas in bubble mode bubble mode ф0,ф±,ф2 < 0,3 should be [3]. To create such a hydrodynamic process, the diameters of the mixing zones at the constant value of the gas cushion "h", i e the cross-sectional surfaces, must be selected in such a way that the amount of gas in each mixing zone0o, ф±, ф2 The values of as a result of scientific research, the equations that determine the size of the mixing zones of this newly created bubble extractor were derived.

The quoted velocity of the liquid in the mixing zones is for the bubble mode шс < 0,1 м/с It is recommended to determine the values of gas quantities using equations 1,2,3.

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