CN206295632U - Multi-stage continuous extraction device - Google Patents

Abstract

The utility model discloses a kind of multi-stage continuous extraction device, including rotating disc column, mixing mechanism, deflector；Rotating disc column includes n turntable unit, wherein n is more than and equal to two, above-mentioned turntable unit is isolated from one another, each turntable unit has light phase area, mixed zone, heavy phase area successively from top to bottom, the mixed zone of a wherein uppermost turntable unit is connected with heavy phase pipe, and the mixed zone of a nethermost turntable unit is connected with light phase pipe.The utility model carries out the technical problem of continuous extraction to heavy and light two-phase by can solving how need not to improve the height of rotating disc column.

Description

Multi-stage continuous extraction device

Technical field

The utility model is related to a kind of multi-stage continuous extraction device, the device for mainly to heavy phase and light phase separate.

Background technology

At present heavy and light two-phase liquid extract and typically select rotating disc column, as shown in fig. 1, rotating disc column is mainly used The mechanical energy of rotating disk makes heavy and light two-phase be disperseed well and mixed, so as to improve mass transfer velocity.Rotating disc column if it is intended to Extraction efficiency is improved, just wants to improve the height of tower, and the height of tower is higher, the installation requirement of the agitating shaft in tower is higher, So while various limitations, rotating disc column can only be accomplished with certain height.

Utility model content

The purpose of this utility model is to provide a kind of multi-stage continuous extraction device, and how solution need not improve the height of rotating disc column Degree can carry out the technical problem of continuous extraction to heavy and light two-phase.

Multi-stage continuous extraction device, including rotating disc column, mixing mechanism, deflector；Rotating disc column includes n turntable unit, Wherein n is more than and equal to two, and above-mentioned turntable unit is isolated from one another, and each turntable unit has light phase successively from top to bottom Area, mixed zone, heavy phase area, wherein the mixed zone of a uppermost turntable unit is connected with heavy phase pipe, nethermost one turns The mixed zone of disk unit is connected with light phase pipe；The quantity of mixing mechanism is corresponding with the quantity of turntable unit, each mixing mechanism Including a heavy phase delivery line, light phase delivery line, the mixing tube with mixing pump；Wherein heavy phase delivery line and heavy phase Area is connected, and light phase delivery line is connected with light phase area, and mixing tube is connected with mixed zone；Deflector includes the first mozzle and second Mozzle, wherein first mozzle one end connects the mixed zone of a upper turntable unit, the other end connects next turntable unit Light phase area, second mozzle one end connects the heavy phase area of a upper turntable unit, and the other end connects next turntable unit Mixed zone.

Turntable unit top has a blow-down pipe, and bottom has and drains pipe.

The beneficial effects of the utility model are：The present apparatus is continuous extraction apparatus, and rotating disk, mixing pump are replaced using mixing pump Light phase and heavy phase in every one-level is re-mixed, meanwhile, light phase and heavy phase are dispersed as drop, increase the contact of two-phase Face.If this extraction equipment is three-level tower from three turntable units, then light phase and heavy phase are utilized in the first stage tower in extraction equipment After the mixing layering of one-level mixing pump, from the overflow of first stage tower top to two grades of towers, heavy phase flows out light phase from first stage tower bottom, in two grades of towers After light phase and heavy phase are using two-step mixing pump mixing layering, from two grades of tower top overflows to three-level tower, heavy phase is from two grades of towers for light phase To first stage tower, after light phase and heavy phase are using the mixing layering of three-level mixing pump in three-level tower, light phase is from three-level tower top for bottom overflow Extraction, heavy phase is from the overflow of three-level tower bottom to two grades of towers.This extraction equipment can be according to material characteristic and effect of extracting be extracted, rationally Select the quantity of turntable unit.

Brief description of the drawings

Fig. 1 is the schematic diagram of existing extraction tower；

Fig. 2 is that have two schematic diagrames of the extraction equipment of turntable unit；

Fig. 3 is that have three schematic diagrames of the extraction equipment of turntable unit；

1. rotating disc columns in figure, 11. turntable units, 111. light phase areas, 112. mixed zones, 113. heavy phase areas, 2. mix Material mechanism, 21. heavy phase delivery lines, 22. light phase delivery lines, 23. mixing tubes, 3. deflector, 31. first mozzles, 32. 2 mozzles, 4. heavy phase pipe, 5. light phase pipe, 6. blow-down pipe, 7. drain pipe.

Specific embodiment

Fig. 2 is refer to, the multi-stage continuous extraction device in figure, an including mixing mechanism 2, of rotating disc column 1, is led Stream mechanism 3.Rotating disc column 1 is used to make the phase materials of heavy and light two mix and be layered.Mixing mechanism 2 is used to be blended in the phase materials of heavy and light two Together.Deflector 3 is used to for the phase materials of heavy and light two of different zones to be transported to ad-hoc location.

Rotating disc column 1 includes two turntable units 11, and the turntable unit 11 can increase such as three in Fig. 3 as needed.On State two turntable units 11 isolated from one another, each turntable unit 11 from top to bottom successively have light phase area 111, mixed zone 112, Heavy phase area 113；Light phase area 111 be light phase material exist position, mixed zone 112 attach most importance to light material presence position, heavy phase area 113 attach most importance to phase materials presence position.The mixed zone 112 of a wherein uppermost turntable unit 11 is connected with heavy phase pipe 4, this Sample heavy phase material can be imported into the mixed zone 112；The mixed zone 112 of a nethermost turntable unit 11 is connected with light phase Pipe 5, such light phase material can be imported into the light phase area 111.The quantity of mixing mechanism 2 and the quantity pair of turntable unit 11 Should, each mixing mechanism 2 includes mixing of the light phase delivery line 22, of heavy phase delivery line 21, with mixing pump Pipe 23；Wherein heavy phase delivery line 21 is connected with heavy phase area 113, and light phase delivery line 22 is connected with light phase area 111, mixing tube 23 with it is mixed Close area 112 to connect, may be such that heavy phase area 113 and light phase area 111 in a turntable unit 11 can not by such setting The disconnected mixing in mixed zone 112.Deflector 3 includes the first mozzle 31 and the second mozzle 32, wherein the first mozzle 31 one end connect the mixed zone 112 of a upper turntable unit 11, and the other end connects the light phase area 111 of next turntable unit 11, The one end of second mozzle 32 connects the heavy phase area 113 of a upper turntable unit 11, and the other end connects next turntable unit 11 Mixed zone 112, by such setting, the light phase material in the light phase area 111 of each turntable unit 11 is constantly transported to and turns The top of disk tower 1, the heavy phase material in heavy phase area 113 is constantly transported to the bottom of rotating disc column 1, so as to complete heavy and light two-phase point Layer.In order to exclude air and carry out discharging to material, one blow-down pipe 6 can be installed at each top of turntable unit 11, bottom is same Sample installs one and drains pipe 7.

Claims (2)

1. multi-stage continuous extraction device, it is characterised in that：Including rotating disc column, mixing mechanism, deflector；Rotating disc column includes n Turntable unit, wherein n are more than and equal to two, and above-mentioned turntable unit is isolated from one another, and each turntable unit is from top to bottom successively With light phase area, mixed zone, heavy phase area, wherein the mixed zone of a uppermost turntable unit is connected with heavy phase pipe, it is bottom The mixed zone of a turntable unit be connected with light phase pipe；The quantity of mixing mechanism is corresponding with the quantity of turntable unit, each Mixing mechanism includes a heavy phase delivery line, light phase delivery line, the mixing tube with mixing pump；Wherein heavy phase is derived Pipe is connected with heavy phase area, and light phase delivery line is connected with light phase area, and mixing tube is connected with mixed zone；Deflector includes the first water conservancy diversion Pipe and the second mozzle, wherein first mozzle one end connects the mixed zone of a upper turntable unit, other end connection is next The light phase area of turntable unit, second mozzle one end connects the heavy phase area of a upper turntable unit, and the other end connects next turn The mixed zone of disk unit.

2. the multi-stage continuous extraction device according to claim 1, it is characterised in that：The turntable unit top has puts Blank pipe, bottom have drain pipe.