CN2188414Y

CN2188414Y - Reciprocating sieve-plate column

Info

Publication number: CN2188414Y
Application number: CN 93237695
Authority: CN
Inventors: 彭盘英; 李国栋
Original assignee: Nanjing Normal University
Current assignee: Nanjing Normal University
Priority date: 1993-09-30
Filing date: 1993-09-30
Publication date: 1995-02-01
Anticipated expiration: 2003-09-30

Abstract

The utility model relates to a reciprocating sieve-plate extracting tower which is composed of a steel cylinder body and a power device which is arranged on the panel at the upper part of the steel cylinder body. The organic compounds with low concentration in the water body can be isolated and extracted efficiently. The utility model has the advantages of big processing ability (the quantity of processed waste water is 25 ton daily), good continuity, convenient operation, few equipment investment, high extracting efficiency, etc. The overall extracting process can be finished by one tower, and the extracting efficiency can achieve higher than Stage 3.

Description

Reciprocating sieve-plate column

The utility model belongs to a kind of novel chemical production equipment.

The organic compound that in productions such as chemical industry, medicine, agricultural chemicals, often in the water body of discharging, contains the dissolved lower concentration, for these are useful or poisonous and hazardous Separation of Organic Compounds are come out, extraction process be use always the means of liquid homogeneous phase mixture separation.According to the character and the requirement of handled material, have static and dynamic two kinds.The used equipment of dynamic extraction mainly contains still formula and tower.The extraction efficiency of still formula is generally less than one-level (single still), and the extraction efficiency of tower equipment generally can be greater than one-level (single tower).Through field investigation at home, do not see as yet and effectively have production-scale reciprocating type sieve plate extraction tower.Retrieve Chinese patent database 1985--the pertinent data in December, 1992, also do not found the patent of relevant perforated-plate extraction tower.

The purpose of this utility model is that a kind of reciprocating type sieve plate extraction tower that is mainly used in the liquid homogeneous phase mixture separation will be provided.Its extraction efficiency height, treatment capacity is big, can a tower finishes the whole process of extraction treatment.

The purpose of this utility model is achieved in that water is in the water inlet pipe enters this reciprocating type sieve plate extraction tower, be dispersed into drop by liquid distributor, with from the oil phase of oil phase inlet pipe sieve section constantly carry out repeatedly dispersion with combine, the organism of aqueous phase is shifted to oil phase gradually.The organic concentration of aqueous phase constantly reduces from top to bottom, and the organic concentration in the oil phase from bottom to top constantly increases, the last outlet pipe of extraction liquid on tower top leaves tower body, and raffinate is discharged tower body at the outlet pipe of tower bottom, thereby reaches the purpose that the separating organic matters that makes aqueous phase is come out.

This reciprocating type sieve plate extraction tower structure and uncomplicated, but extraction efficiency height, stable operation, continuity is good.Processing power big (25 tons of day processing waste water), facility investment is little.Water and oil phase through repeatedly disperseing and combining, reach more than three grades extraction efficiency at the mixing section more than 2 meters, can use in wide scope.Fig. 1 is the diagrammatic cross-section of this reciprocating type sieve plate extraction tower.Wherein (1) is motor, and (2) are belt pulleys, and (3) are eccentric wheels, and (4) are axle housings, (5) be cylindrical shell, (6) are central shafts, and (7) are sieve plates, and (8) are the extraction liquid outlet pipes, (9) be the water inlet pipe, (10) are the oil phase inlet pipes, and (11) are the raffinate outlet pipes.Below in conjunction with Fig. 1 in detail concrete device details of the present utility model is described in detail.

The profile of this extraction tower is the steel cylinder, and high 4100mm, diameter 600mm, cylindrical shell divide three sections of upper, middle and lower, all connect with flange.Water inlet pipe (9) and extraction liquid outlet pipe (8) are installed on upper shell, two glass visors also are housed, can see through them and see an interior liquid mixing and extraction situation.At lower shell oil phase inlet pipe (10) and raffinate outlet pipe (11) are installed.

Be power-driven gear on the panel on cylindrical shell top, motor (1) is passed to bent axle by belt pulley (2) with power, and bent axle drivening rod and eccentric wheel (3) are with rotation round motion changing into the to-and-fro movement of central shaft (6) of motor.

The long 4000mm of tube intravital central shaft (6) links to each other with bent axle.Central shaft is by upper and lower two fixed pivot fixed positions in the tower, guarantees that it moves on axis direction.In the middle of two fixed pivots 18 sieve plates (7) are housed, sieve plate is fixed on the central shaft by axle sleeve, pumps with central shaft.Distance (distance between plates) between per two sieve plates is 150mm, the aperture that all to have more than 2300 aperture on every sieve plate be 8mm, and percentage of open area is 43%.Sieve plate is 6-8 time/second with the reciprocating speed of central shaft, and amplitude is 20mm.Be equipped with respectively at the sieve section two ends and be fixed in the intravital liquid distributor of tube.

Claims

1, a kind of reciprocating type sieve plate extraction tower that is specifically designed to organic compound in the aqueous phase extracted, form by the power-driven gear on a steel cylinder and placed on it the panel, it is characterized in that having in the cylindrical shell the be fixed central shaft of fulcrum fixed position to link to each other with bent axle, guarantee that it pumps at axis direction, sieve plate is fixed on the central shaft by axle sleeve.

2, extraction tower according to claim 1 is characterized in that cylinder height 4100mm, diameter 600mm, cylindrical shell is divided into three sections of upper, middle and lower, connect with flange, extraction liquid outlet pipe and water inlet pipe are arranged, oil phase inlet pipe and raffinate outlet pipe are arranged at lower shell at upper shell.

3, extraction tower according to claim 1 is characterized in that being fixed with 18 sieve plates altogether on central shaft, and distance between plates is 150mm, has 2300 porous on the every sieve plate, and the aperture is 8mm, and percentage of open area is 43%.