CN213853141U

CN213853141U - Device for recovering organic matters in rectification residual liquid

Info

Publication number: CN213853141U
Application number: CN202022630684.7U
Authority: CN
Inventors: 徐钱山; 蒋伟; 江南; 刘万伟; 贾露露
Original assignee: Nanjing Rongxin Chemical Industrial Co ltd
Current assignee: Nanjing Rongxin Chemical Industrial Co ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-08-03
Anticipated expiration: 2030-11-14

Abstract

The utility model provides a device for recovering organic matters in rectification residual liquid, which comprises a salting-out tower, a standing filter tower, a distillation tower, a condenser, a stirrer, a deposition base, an osmotic membrane, a suction pump and a liquid phase export port, wherein the input end of the standing filter tower is connected with the liquid output end of the salting-out tower, the input end of the distillation tower is connected with the liquid output end of the standing filter tower, the gas input end of the condenser is connected with the gas output end of the distillation tower, the stirrer is arranged in the salting-out tower, the deposition base is fixed on the lower end surface of the salting-out tower, the osmotic membrane is arranged at the lower side in the standing filter tower, the suction pump is arranged between the output end of the osmotic membrane and the output end of the standing filter tower, the liquid phase export port is arranged at the lower side of the condenser, the problem that the organic matters, reducing the content of organic matters in the rectification residual liquid.

Description

Device for recovering organic matters in rectification residual liquid

Technical Field

The utility model relates to a device for recovering organic matters in rectification raffinate, which belongs to the technical field of rectification raffinate recovery.

Background

At present, chemical plant is extracting the processing organic matter in-process, often can use the distillation column separation to draw, but the organic matter content in the distillation column exhaust rectification raffinate is higher, and direct emission can seriously pollute soil and ecological environment, consequently, retrieves the organic matter in the rectification raffinate and seems to be especially important, the utility model discloses a with the abundant filtering of macromolecular organic matter in the rectification raffinate, the micromolecular organic matter separates and purifies through the method of redistilling once more, makes the organic matter in the rectification raffinate obtain abundant separation, has retrieved partial raw and other materials, and remaining water can recycle safely, the problem that the device that needs one kind to retrieve the organic matter in the rectification raffinate now to solve the aforesaid appears urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device that organic matter in the rectification raffinate was retrieved to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the organic matter content in the rectification raffinate is reduced to abundant separation and recovery organic matter to the deficiency that exists of prior art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a device for recovering organic substances in the rectification residual liquid comprises a salting-out tower, a standing filter tower, a distillation tower, a condenser, an injection port, a stirrer, a deposition base, a discharge valve, a permeable membrane, a suction pump and a liquid phase outlet, the input end of the standing filter tower is connected with the liquid output end of the salting-out tower, the input end of the distillation tower is connected with the liquid output end of the standing filter tower, the gas input end of the condenser is connected with the gas output end of the distillation tower, the upper side of the salting-out tower is provided with an injection port, the salting-out tower is internally provided with a stirrer, the deposition base is fixed on the lower end surface of the salting-out tower, the lower side of the deposition base is provided with a discharge valve, the inside downside of filter tower that stews is equipped with the osmotic membrane, be equipped with the suction pump between osmotic membrane output and the filter tower output that stews, the liquid phase export is seted up to the condenser downside.

Further, the utility model discloses a stirrer comprises driving motor and the epaxial stirring fan blade of driving motor output, and stirring fan blade is located the inside intermediate position of tower of salting out.

Further, the utility model discloses a deposit collet is the fill shape structure.

Further, the utility model discloses an osmotic membrane is the cellulose acetate milipore filter, and the ultrafiltration aperture is between 0.002-0.1pm, the osmotic membrane upside is equipped with the opening.

Further, the utility model discloses an it is shell and tube condenser to state the condenser, just the terminal surface is equipped with coolant liquid circulation access & exit before the condenser.

Has the advantages that: the utility model discloses a device that retrieves organic matter in rectification raffinate has following effect:

1. the utility model injects the rectification raffinate into the salting-out tower along the injection port, and injects a proper amount of salting-out agent, after the stirrer is electrified, the salting-out agent is quickly dissolved into the rectification raffinate, so that the macromolecular relatively indissolvable organic matters in the rectification raffinate are separated out and accumulated in the deposition collet;

2. filtering the residual liquid by a permeable membrane, filtering out colloid and macromolecular organic matters in the residual liquid, then feeding the micromolecular alcohols and carboxylic acids into a distillation tower, controlling the distillation temperature in the distillation tower to be 60-80 ℃, and distilling out the micromolecular alcohols and carboxylic acids;

3. the distilled gas enters a condenser for condensation and reflux, and finally pure micromolecule organic matters are recovered along a liquid phase outlet, and harmless pure water is left in the distillation tower.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a device for recovering organic substances in a rectification residue of the present invention;

FIG. 2 is a cross-sectional view of a device for recovering organic substances from a rectification residue according to the present invention;

in the figure: 1-salting-out tower, 2-standing filter tower, 3-distillation tower, 4-condenser, 5-filling port, 6-stirrer, 7-deposition base, 8-discharge valve, 9-permeable membrane, 10-suction pump, 11-cooling liquid circulation inlet and outlet, and 12-liquid phase outlet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: a device for recovering organic matters in rectification residual liquid comprises a salting-out tower 1, a standing filter tower 2, a distillation tower 3, a condenser 4, an injection port 5, a stirrer 6, a deposition base 7, a discharge valve 8, an osmotic membrane 9, an inhalation pump 10 and a liquid phase guide outlet 12, wherein the input end of the standing filter tower 2 is connected with the liquid output end of the salting-out tower 1, the input end of the distillation tower 3 is connected with the liquid output end of the standing filter tower 2, the gas input end of the condenser 4 is connected with the gas output end of the distillation tower 3, the injection port 5 is arranged on the upper side of the salting-out tower 1, the stirrer 6 is arranged inside the salting-out tower 1, the deposition base 7 is fixed on the lower end surface of the salting-out tower 1, the discharge valve 8 is arranged on the lower side of the deposition base 7, the osmotic membrane 9 is arranged on the lower side inside the standing filter tower 2, the inhalation pump 10 is arranged between the output end of the osmotic membrane 9 and the output end of the standing filter tower 2, a liquid phase lead-out port 12 is arranged at the lower side of the condenser 4, and the design originally solves the problem that organic matters in the rectification residual liquid are inconvenient to effectively recycle.

The stirrer 6 of the utility model consists of a driving motor and stirring blades on the output shaft of the driving motor, and the stirring blades are positioned in the middle position inside the salting-out tower 1; an external salting-out agent is injected into the salting-out tower 1 through an injection port 5, and then the mixture is fully stirred to ensure that macromolecular organic matters in the rectification residual liquid are fully combined with the salting-out agent for precipitation; the deposit collet 7 is the bucket shape structure, makes the macromolecule organic matter deposit the gathering, conveniently discharges from discharge valve 8.

The permeable membrane 9 of the utility model is a cellulose acetate ultrafiltration membrane, the ultrafiltration pore diameter is between 0.002 pm and 0.1pm, the upper side of the permeable membrane 9 is provided with an opening, and the colloid and macromolecular organic matters in the residual liquid are effectively filtered; the condenser 4 is a shell-and-tube condenser 4, a cooling liquid circulation inlet and outlet 11 is arranged on the front end face of the condenser 4, and a refrigerant is externally connected with the condenser, so that the micromolecule organic matters are condensed and recovered after being distilled.

As an embodiment of the present invention: the rectification residual liquid is injected into a salting-out tower 1 along an injection port 5, and a proper amount of salting-out agent is injected; after the stirrer 6 is electrified, the salting-out agent is quickly dissolved into the rectification residual liquid, so that macromolecular relatively insoluble organic matters in the rectification residual liquid are separated out and accumulated in a deposition base 7; in the later period, the sediment is led out by opening a discharge valve 8, the residual liquid carrying the micromolecular organic matters after salting out enters a standing filter tower 2, and after the residual liquid is filtered by a permeable membrane 9, the colloid and the macromolecular organic matters in the residual liquid are filtered; then the small molecular alcohols and carboxylic acids enter a distillation tower 3, the distillation temperature in the distillation tower 3 is controlled to be 60-80 ℃, and the small molecular alcohols and carboxylic acids can be distilled out; the distilled gas enters a condenser 4 for condensation and reflux, and finally pure micromolecule organic matters are recovered along a liquid phase export 12, and harmless pure water is left in the distillation tower 3.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a device that organic matter in rectifying raffinate was retrieved which characterized in that: comprises a salting tower (1), a standing filter tower (2), a distillation tower (3), a condenser (4), an injection port (5), a stirrer (6), a deposition base (7), a discharge valve (8), an osmotic membrane (9), an intake pump (10) and a liquid phase outlet (12), wherein the input end of the standing filter tower (2) is connected with the liquid output end of the salting tower (1), the input end of the distillation tower (3) is connected with the liquid output end of the standing filter tower (2), the gas input end of the condenser (4) is connected with the gas output end of the distillation tower (3), the injection port (5) is arranged on the upper side of the salting tower (1), the stirrer (6) is arranged inside the salting tower (1), the deposition base (7) is fixed on the lower end surface of the salting tower (1), the lower side of the deposition base (7) is equipped with the discharge valve (8), the inside downside of filter tower (2) is equipped with osmotic membrane (9) stews, be equipped with between osmotic membrane (9) output and the filter tower (2) output that stews and inhale pump (10), liquid phase delivery outlet (12) have been seted up to condenser (4) downside.

2. The apparatus for recovering organic materials from a rectification residue as claimed in claim 1, wherein: the stirrer (6) is composed of a driving motor and stirring blades on an output shaft of the driving motor, and the stirring blades are positioned in the middle of the inside of the salting-out tower (1).

3. The apparatus for recovering organic materials from a rectification residue as claimed in claim 1, wherein: the deposition bottom support (7) is of a bucket-shaped structure.

4. The apparatus for recovering organic materials from a rectification residue as claimed in claim 1, wherein: the permeable membrane (9) is a cellulose acetate ultrafiltration membrane, the ultrafiltration pore diameter is 0.002-0.1pm, and an opening is formed in the upper side of the permeable membrane (9).

5. The apparatus for recovering organic materials from a rectification residue as claimed in claim 1, wherein: the condenser (4) is a shell-and-tube condenser (4), and a cooling liquid circulation inlet and outlet (11) is arranged on the front end face of the condenser (4).