RU2261138C1 - Centrifugal bubbling apparatus - Google Patents

Abstract

FIELD: gas scrubbing apparatus; apparatus for conducting hydromechanical, chemical and heat-exchange processes in gas-liquid systems; chemical, food-processing and other industries.

SUBSTANCE: proposed centrifugal bubbling apparatus has upper cover, chamber with upper and lower end plates and inner shell in form of inverted perforated cone located in chamber. Liquid supply pipe is oriented inside shell and is provided with plate for delivery and drainage of liquid which is located in lower end plate of chamber at spaced relation to its inner surface. Chamber is additionally provided with partition in form of plate located between cylindrical housing of chamber and shell made in form of volute from point of conjugation of tangential gas supply branch pipe with cylindrical housing of chamber connecting upper and lower end plates. Besides that, upper and lower end plates are provided with holes. Proposed apparatus makes it possible to form smooth structure of gas-and-liquid layer inside shell made in form of inverted perforated cone.

EFFECT: reduced hydraulic resistance; simplified construction.

3 dwg

Description

The invention relates to apparatus for wet cleaning of gases, hydromechanical, chemical and heat and mass transfer processes in a gas-liquid system and can be used in chemical, food and other industries.

A known apparatus for the interaction of gas with a liquid, comprising a cylindrical body with a tangential nozzle for introducing gas, an inner cylinder (shell), an inertial droplet eliminator, a separation chamber, a fluid supply pipe, a drain pipe, a gas outlet pipe. (S. A. Bogatykh "Cyclone-foam apparatus", L., 1978, p. 12, 21, figure 1b).

The disadvantage of this apparatus is a single passage of fluid through the contact zone, as well as the possibility of its slip at high specific loads due to the close location of the input and output points. Removing the liquid entry point leads to a variant of the downward movement of the gas-liquid layer, characterized by a narrower range of gas loads.

Closest to the claimed invention is a centrifugal bubbler apparatus comprising a lid, a bottom, a chamber with end caps, an inner shell made in the form of a perforated cone and placed in the chamber, a fluid inlet pipe oriented inside the shell and provided with a plate for feeding and draining liquid placed in the lower part of the cone with the possibility of a gap with its inner surface, a tangential gas inlet pipe, gas outlet pipe. (Centrifugal bubbling apparatus. Patent for invention No. 2069080, 01 D 47/02 / Benediktov A.V., Kalekin B.C., Plotnikov V.A., Serdakov G.S., Troshkin O.A.).

The disadvantages of this apparatus include the uneven structure of the gas-liquid layer inside the reverse perforated cone, the complexity of the design in connection with the placement of the transfer pipes in the chamber and the associated increase in hydraulic resistance.

The objective of the invention is to create a uniform structure of the gas-liquid layer inside the reverse perforated cone (inner shell), reduce hydraulic resistance inside the chamber, simplify the design of the apparatus.

The specified technical result is achieved by the fact that in the known centrifugal bubbler apparatus comprising a top cover, a chamber with upper and lower end caps, an inner shell in the form of a reverse perforated cone and placed in the chamber, a supply pipe for a fluid oriented inside the shell, equipped with a plate for supply and discharge of fluid and a vortex chamber located in the lower end cover with the possibility of a gap with its inner surface, tangential gas inlet pipe, outlet pipe a gas ode, a plate-shaped partition is additionally placed in the chamber and is located between the cylindrical chamber body and the shell, made in the form of a cochlea from the interface between the tangential gas inlet pipe and the cylindrical chamber body, connecting the upper and lower end caps, in addition, the upper and lower end caps covers are made with holes.

The invention is illustrated by drawings, where in Fig.1 schematically shows a centrifugal bubbler apparatus and sections along AA; in Fig.2 node I of Fig.1.

The centrifugal bubbler apparatus consists of a top cover 1 with a pipe “B”, a chamber 2 with a top 3 and a bottom 4 end caps with holes, an inner shell 5 in the form of a reverse perforated cone with perforations in the form of holes and a partition 6 in in the form of a plate placed between the cylindrical wall of the chamber 2 and the inner shell 5, connecting the upper 3 and lower 4 end caps and made in the form of a cochlea from the point of coupling of the tangential gas inlet pipe "B" with the cylindrical wall of the chamber 2, th pipe 7 with a nozzle "G" for a fluid oriented inside the shell 5 and equipped with a plate 8 for supplying and draining the fluid and placed in the lower end cap 4 with the possibility of a gap with or without its inner surface, a conical bottom 9 with a nozzle "D " The upper part of the inner shell 5 protrudes above the upper end cover 3 of the chamber 2, forming a distribution plate.

The apparatus can operate on the lower (plate 8 installed with a clearance) and upper (plate 8 installed without a gap) cone irrigation. In the first case, the liquid enters the pipe "G". Having passed the pipe 7 and plate 8, it is twisted by a gas stream and, due to centrifugal forces, is ejected from the inner shell 5 onto the upper end cover 3, which acts as a distribution plate, from where it enters into the gap formed by the partition 6 and the cylindrical wall of the chamber 2, and then through the holes of the lower end cover 4 merges into a conical bottom 9 and is discharged through the pipe "D". Partially, the liquid located in the conical bottom 9 is sucked in by the cone through the annular gap and is involved in the circulation movement inside the apparatus, being subjected to repeated contact with the gas.

During the upper irrigation of the inner shell 5, the liquid enters the nozzle "D" and, rising through the holes of the lower end cover 4 and the gap formed by the partition 6 and the cylindrical wall of the vortex chamber 2, as well as the holes of the upper end cover 3, fill the upper end cover 3 playing a role distribution plate, from where it flows into the inside of the shell 5. After interacting with the gas, the liquid, having passed through the plate 8 and the pipe 7, is discharged from the apparatus through the pipe "G".

The gas stream is fed into the space formed by the partition 6 and the inner shell 5 through the pipe "D". Additionally, twisting in the holes of the inner shell 5, the gas interacts with the liquid, forming a rotating gas-liquid layer. The purified gas stream is discharged from the apparatus through the pipe "B".

Due to the fact that the transfer pipes are removed from the chamber, the hydraulic resistance inside the chamber is reduced, a uniform structure of the gas-liquid layer is created inside the inverse perforated cone, the design of the apparatus is simplified.

Claims (1)

A centrifugal bubbler apparatus containing a top cover, a chamber with upper and lower end caps, an inner shell in the form of a reverse perforated cone located in the chamber, a supply pipe for a fluid oriented inside the shell, equipped with a plate for supplying and draining the liquid located in the bottom the end cover of the chamber with the possibility of a gap with its inner surface, a tangential gas inlet pipe, gas outlet pipe, characterized in that the chamber is additionally placed a partition wall in the form of a plate located between the cylindrical chamber body and the shell, made in the form of a cochlea from the interface between the tangential gas inlet pipe and the cylindrical chamber body connecting the upper and lower end caps; in addition, the upper and lower end caps are made with holes.

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