RU117825U1 - RING-RING EXTRACTOR - Google Patents

Abstract

A rotary-annular extractor containing a housing, a heat jacket, a rotor with phase separation manifolds consisting of two annular chambers coaxially fixed on the rotor and movably mounted on the housing of the suction tubes, fittings for input and output of phases, an impeller device in the form of hollow teeth or plates , fixed at an angle relative to the axis of rotation of the rotor, characterized in that it is additionally equipped with a central pipe, coaxially mounted on the housing cover, with a pumping device, and radial blades are fixed on the outer surface of the rotor bottom.

Description

A utility model - a rotary-ring extractor refers to the designs of centrifugal-type mass transfer apparatuses and can be used for separation, concentration of liquid mixtures and liquid extraction in various industries.

The prototype is a centrifugal extractor (US Pat. RU No. 2308309, B01D 11/04, 2006), comprising a drive, a housing with a mixing chamber disposed therein, a rotor with collectors for phase separation, fittings for input and output phases and an impeller device, the mixing chamber is made in the form of a rotating annular chamber coaxially mounted on the housing of the suction tubes with a central sleeve, the collector consists of two annular chambers coaxially mounted on the rotor and shaft of the shaft, and the suction tubes movably mounted on the housing, the impeller device is made Leno as hollow teeth or plates attached at an angle relative to the rotor axis of rotation, on the inner surface of which is placed the spiral plate, the rotor shaft is hollow, is provided with a removable separation disc, and an extractor provided with a thermal jacket.

The apparatus has the following disadvantages: low productivity, design complexity, high hydroresistance to the passage of liquids in the apparatus.

The objective of the utility model is to increase productivity, simplify the design, reduce hydraulic resistance and increase efficiency.

The technical problem is solved in that a rotary-ring extractor containing a drive, a housing, a rotor with collectors for phase separation, consisting of two annular chambers mounted on the rotor of the annular chamber and suction tubes movably mounted on the housing, fittings for input and output phases, an impeller device in in the form of hollow teeth or plates fixed at an angle relative to the axis of rotation of the rotor, according to a utility model, it is additionally equipped with a central nozzle coaxially mounted on the housing cover, a heat jacket and a pump radial blades are fixed on the outer surface of the rotor bottom;

The solution to the technical problem allows to increase productivity, reduce hydraulic resistance, increase efficiency and simplify the design.

Figure 1 shows the basic design of the rotary ring extractor, figure 2 and 3 are embodiments of the impeller device in the form of flat plates (figure 2) or hollow gear elements (figure 3).

The rotary-ring extractor (Fig. 1) consists of a fixed body 1 with a heat jacket 2, a cover 3 with a central pipe 4 and suction tubes 5 and 6, a pumping device 7 connected by fittings 8 and 9 with a central pipe 4 and a housing 7, impeller devices in the form of gear elements 10, rotor 11 with collectors 12 and 13, radial blades 14, shaft 15 and fittings 16 and 17.

A rotary ring extractor operates as follows. Liquids separately enter through the nozzles 16 and 17, respectively, into the annular gap between the housing 1 and the rotor 11, where, under the action of the gear elements 10 of the impeller device, they intensively mix, moving down the annular gap, from where the liquid mixture is taken from the pumping device 7 through the nozzle 9 from annular gap, which enters through the fitting 17 in the Central pipe 4 and flows down. Leaving the nozzle 4, the liquid mixture in the form of a film and jets falls on the inner surface of the rotor 11, where it is exfoliated by centrifugal forces to form liquid rings. The light phase forms the inner liquid ring; the heavy phase occupies the peripheral part near the walls of the rotor. The heavy phase forms a water seal, and only the heavy phase passes through the annular gap 13. The light phase merges into the annular collector 13 through the holes "B". The separated liquid phases are discharged from the manifolds 12 and 13 by means of the stationary suction tubes 5 and 6, respectively. The blades 14 are used to exclude the formation of a stagnant zone between the bottom of the rotor 11 and the housing 1.

The rotary ring extractor can be used both for continuous processing of contacting liquids, and for a discrete cycle of work. During continuous operation, fluids are discharged by separate tubes 5 and 6 from the apparatus. In the discrete mode, the apparatus operates in the recirculation mode of one or both liquids, when the output ends of the suction tubes 5 and 6 are connected to the inlet nozzles 8 and 9 and, accordingly, for a given time, the liquids are repeatedly pumped through the apparatus.

In the case of the process at elevated temperature or the need for heat dissipation, heat exchanger 2 is used.

Experimental studies conducted on a rotary ring extractor showed an increase in productivity by 30% and efficiency by 20%.

Using a utility model eliminates such disadvantages as:

- low productivity;

- high hydroresistance to the movement of flows inside the apparatus;

- the complexity of the design.

Claims (1)

A rotary ring extractor comprising a housing, a heat jacket, a rotor with collectors for phase separation, consisting of two annular chambers coaxially mounted on the rotor and suction tubes movably mounted on the housing, fittings for input and output phases, an impeller device in the form of hollow teeth or plates fixed at an angle relative to the axis of rotation of the rotor, characterized in that it is additionally equipped with a Central pipe, coaxially mounted on the housing cover, pumping device, and on the outer surface Nishcha rotor fixed radial vanes.