SU691148A1 - Extraction apparatus for a system solid-liquid - Google Patents

Description

one

The invention relates to devices for carrying out an extraction process from a solid material with an electrical or fibrous structure of particles, for example, for extracting enzymes from a surface culture of a fungus, nutrients from vegetable raw materials (salmon pulp, sugar malt, etc.) .

A well-known extractor for a solid-system system, comprising a horizontal cylindrical body, divided by vertical partition walls, equipped with overload windows, a second section, a horizontal shaft coaxially mounted to the body, on which displacing blades are fixed, and devices for pressing solid material from the liquid 11.

The device for pressing the solid material from the liquid in this extractor is located below the liquid level in the extractor housing, which does not allow to completely separate the phases.

The purpose of the treatment is to increase the efficiency of the extraction process by increasing

the degree of separation of the liquid from the solid material.

This is achieved by feM that the device for pressing solid material is made in a vnde Fixed above the liquid level in the body is a perforated partition, the lower end of which is provided with a perforated cylindrical partition and perforated transfer blades and L-shaped levers connected to the shaft.

FIG. 1 shows an extractor, a longitudinal section; in fig. 2 - the same, cross section; in fig. 3 - fastening the L-shaped levers to the shaft with springs.

The solid-liquid system extractor consists of a cylindrical horizontal body 1, divided by partitions 2 into successive sections. 3. A horizontal shaft 4 is mounted along the axis of the body. On the shaft, perforated reload vanes 6 are reinforced with L-shaped levers 5. At the top bulkheads 2, overload windows 7 and perforations are provided. ;; ... iSa: SS-iffU-i partitioned walls 8 with side walls 9.. Concentric with the housing is a perforated partition of a cylindrical shape 10, which, together with vertical partitions 2 and 11, forms a section of the annular drainage chamber 12. Overload blades 6, part of the housing 1, perforated partitions 8, side walls 9 and dal-perforated partition 10 form a device for pressing solid material 13. The apparatus can be equipped with mixing blades 14, which are attached to the shaft with the help of ribs 15. To eliminate stagnant zones in section 3, they are set to slope s partition 16. L-shaped arms 5 are secured to shaft 4 by springs 17. The lower portion of vertical partition walls 2 is provided with apertures 18. The extractor works as follows. The solid raw material is loaded into the first section along the solid phase and immersed in a solvent. In the lower part of the section, an intensive contact of the phases takes place under the action of the mixing blade 14 and the reloading blade 6, which perform reciprocating circular motion with the help of shaft 4. Here a part of the solid phase is picked up by the reloading blade 6 and fed to the drain ring chamber 12, where there is a free flow of fluid through the perforation of the blade 6, the partition 10 and the partitions. Then the material is moved to the pressing device 13, where under the pressure of the reloading blade 6 there is a separation of the fluid, which flows through the perforation of the blade 6 and the bulkheads 8 and 10 back into the section. As it is compressed, the mass is squeezed into the overloaded window 7 and falls into the next section, where it is again mixed with the solvent. In the next section, a repeated cycle of contacting the solid and liquid phases occurs.

Claims (1)

69ii4: &, squeezing the solid mass from the solution of {EITEL and overloading into the neighboring section. After processing in a section, the extracted phase is pressed, the solid phase is removed from the apparatus. The solvent is forcibly supplied to the last section, flows countercurrently to the solid raw material from section to section through openings 18 in the lower part of the vertical partitions 2 and is removed from the first section of the extractor. The residence time of the solid phase in the extractor and its movement from section to section can be adjusted by varying the cycle time for the return of a circular motion of the blade 6. Claim 1. The extractor for a solid-liquid system comprising a horizontal cylindrical body divided by vertical baffles fitted with overload Approximately on the section, a horizontal shaft coaxially mounted to the housing, on which the mixing blades are fixed, and devices for pressing solid material from liquid, characterized in that, in order to increase the efficiency of the extraction process by increasing the degree of separation of liquid from solid material, the device for pressing solid material is made in the form of a fixedly fixed above the liquid level in the case of a perforated partition, the lower end of which is provided with a perforated partition cylindrical . We are perforated with reloading blades and L-shaped levers connected to the shaft. Sources of information taken into account in the examination 1. US patent N 3111393, cl. 231962 (prototype).