CN213313368U - Concentration equipment - Google Patents

Abstract

The utility model discloses a concentration device, which comprises a kettle main body, a clapboard, a heating sleeve, a steam hole, a condensation pipeline, a feed inlet, a solvent outflow port, a vacuum pumping port, a stirring paddle, a stirring motor and a stirring shaft; the concentration equipment of the utility model can effectively avoid the decomposition and deterioration of the product compounds in the concentrated solution; the production cost is reduced; the corrosion to the pipeline is effectively avoided, the working period of the equipment is prolonged, and the production, maintenance and repair costs are reduced; the preparation or the modification is simple and convenient, can be applied to reaction kettles of various types, and is beneficial to industrial application.

Description

Concentration equipment

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a concentrator.

Background

Concentration, which means that the solvent is evaporated to increase the concentration of the solution, thereby achieving the purpose of removing the solvent, is classified into atmospheric concentration and vacuum concentration according to the operation. The concentration operation is a conventional work-up operation often used in chemical synthesis processes and is a unit operation commonly used for removing a solvent.

At present, in the prior disclosed concentration operation, a rotary evaporator is adopted for vacuum concentration in a laboratory to remove a solvent; atmospheric concentration often causes pyrolysis of the product due to the higher temperatures required, making it less and less useful. In plant operations for scale-up production, there has not been a dedicated vacuum concentration apparatus for performing a large amount of solvent removal operations. The conventional workshop concentration adopts a reaction kettle to carry out strong stirring and heating so as to evaporate the solvent to achieve the purpose of removing the solvent, and has a plurality of defects: the reaction kettle is concentrated to remove the solvent, and the product is easy to decompose and deteriorate due to the high temperature, so that the product cannot be recycled due to failure of post-treatment, and the additional production cost is increased; the removed solvent is not received by a special pipeline container, so that the evaporated solvent flows into waste liquid and cannot be recovered, the environment is not protected, and the production cost is increased; the reaction kettle is connected with a plurality of feeding pipes, a special condensing system is not needed, solvent steam evaporated by heating enters each feeding pipe, corrosion is easily caused in each feeding pipe and the reaction kettle, the service life of the reaction kettle is shortened, and the maintenance cost of equipment is increased.

Accordingly, those skilled in the art have endeavored to develop a concentration plant that addresses the above-mentioned deficiencies of prior art plant scale-up operations for concentration units.

SUMMERY OF THE UTILITY MODEL

In view of the above defects in the prior art, the technical problem to be solved by the present invention is that the workshop amplification and concentration unit operation in the prior art has no special vacuum concentration equipment, and the solvent removal by using the reaction kettle is easy to cause the decomposition and deterioration of the product, resulting in the operation failure; the evaporated solvent can not be recycled, the steam is easy to corrode the kettle and the pipeline, and the production, maintenance and repair costs are increased.

In order to realize the purpose, the utility model provides a concentration device which comprises a kettle main body, a clapboard, a heating sleeve, a steam hole, a condensing pipeline, a feed inlet, a solvent flow outlet, a vacuum pumping port, a stirring paddle, a stirring motor and a stirring shaft;

the interior of the kettle main body is divided into an upper part and a lower part from the middle through a partition plate, the partition plate is fixedly connected with the upper half part, and the partition plate is connected with the lower half part through a flange; the clapboard comprises steam holes, and the edges of the steam holes comprise arc barriers extending upwards; the heating jacket is wrapped on the lower half part of the outer part of the kettle main body; the condensation pipeline is wound on the upper part of the outer part of the kettle main body; the top of the upper part of the kettle main body comprises a vacuumizing port and an observation mirror; the outer side of the lower part of the kettle main body is positioned above the heating sleeve and comprises a feeding hole; the lower part of the kettle main body comprises a discharge hole;

the arc-shaped enclosure extends from the edge of the steam hole of the partition plate to the upper part of the kettle main body, and the ratio of the extension height to the height of the upper part of the kettle main body is 1: 5-1: 10;

the solvent outflow port is located above the baffle plate near the upper surface of the baffle plate,

the stirring motor is positioned at the center of the upper part of the kettle main body, the stirring shaft is connected with the stirring motor and sequentially penetrates into the lower part of the kettle main body from the middle above the kettle and the middle of the clapboard, and the lower part of the stirring shaft is connected with the stirring paddle;

the height of the lower part of the kettle body is not lower than that of the upper part of the kettle body;

further, the height ratio of the lower part of the kettle body to the upper part of the kettle body is 1: 1-2: 1;

furthermore, the flange connection part of the upper part of the kettle main body and the lower part of the kettle main body can be opened, so that the equipment is convenient to overhaul and clean;

in a more preferred embodiment of the present invention, the height ratio of the lower part of the tank main body to the upper part of the tank main body is 1.5: 1;

in a more preferred embodiment of the present invention, the ratio of the upward extending height of the steam hole edge of the partition plate to the height of the upper part of the kettle main body is 1: 8;

scheme more than adopting, the utility model discloses a concentrator has following beneficial technological effect:

the utility model discloses a concentration equipment, through adding the part under the cauldron main part with the material that will wait to concentrate, in the stirring heating process, the solvent gasification under the evacuation state, gas rises and gets into the cauldron main part through the steam port on the baffle, through the outside comdenstion water condensation of cauldron main part upper portion become the liquid, flow out from the solvent egress opening after converging on the baffle, realize concentrating the recovery solvent; the heating temperature is low in the concentration process, so that the decomposition and deterioration of product compounds in the concentrated solution are effectively avoided, and the failure of post-treatment concentration operation is avoided; the solvent removed by concentration can be completely recycled, so that the production cost is reduced; the whole concentration process is finished in the kettle, the high-temperature gas of the solvent is not leaked, the corrosion to the pipeline is effectively avoided, the working period of equipment is prolonged, and the production, maintenance and repair costs are reduced;

the concentration equipment of the utility model has simple structure, easy manufacture, convenient manufacture and reconstruction by replacing the old reaction kettle, can be used for reconstructing reaction kettles with various models, and has good applicability;

in conclusion, the concentration equipment of the utility model can effectively avoid the decomposition and deterioration of the product compounds in the concentrated solution; the production cost is reduced; the corrosion to the pipeline is effectively avoided, the working period of the equipment is prolonged, and the production, maintenance and repair costs are reduced; the preparation or the modification is simple and convenient, can be applied to reaction kettles of various types, and is beneficial to industrial application.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a schematic view of the internal structure of the concentrating apparatus of the present invention;

in the figure, 1, a kettle body; 2. a partition plate; 3. heating a jacket; 4. a steam vent; 5. a condensing duct; 6. a feed inlet; 7. a solvent outflow port; 8. a vacuum pumping port; 9. a stirring paddle; 10. a stirring motor; 11, a stirring shaft; 12. a discharge port; 13. an observation mirror; 14. an arc enclosure; 15. an inlet of a condenser pipe; 16. and an outlet of the condensation pipe.

Detailed Description

The technical contents of the embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

As shown in fig. 1, the concentration device of the present invention comprises a kettle main body 1, a partition plate 2, a heating jacket 3, a steam hole 4, a condensation pipe 5, a feed inlet 6, a solvent outflow port 7, a vacuum pumping port 8, a stirring paddle 9, a stirring motor 10, and a stirring shaft 11;

the interior of the kettle main body 1 is divided into an upper part and a lower part from the middle through a partition plate 2, the partition plate 2 is welded with the upper part, and the partition plate 2 is connected with the lower part through a flange; the clapboard 2 comprises steam holes 4, the edges of the steam holes 4 comprise upwards extending arc-shaped barriers 14, the arc-shaped barriers 14 extend from the edges of the steam holes of the clapboard 2 to the upper part of the kettle body, and the ratio of the extending height to the height of the upper part of the kettle body is 1: 8; the heating jacket 3 is wrapped on the lower half part of the outer part of the kettle main body 1; the condensing pipeline 5 is wound on the upper part of the outer part of the kettle body 1; the top of the upper part of the kettle main body 1 comprises a vacuumizing port 8 and an observation mirror 13; the outer side of the lower part of the kettle body 1 is positioned above the heating sleeve 3 and comprises a feeding hole 6; the lower part of the kettle body 1 comprises a discharge hole 12; the solvent outflow port 6 is located above the partition 2 near the upper surface of the partition; the stirring motor 10 is positioned at the center of the upper part of the kettle main body, the stirring shaft 11 is connected with the stirring motor 10 and sequentially penetrates through the middle of the upper part of the kettle and the middle of the clapboard 2 to enter the lower part of the kettle main body, and the lower part of the stirring shaft 11 is connected with the stirring paddle 9;

in the present embodiment, it is preferred that,

the height ratio of the lower part of the kettle main body to the upper part of the kettle main body is 1.5: 1-2: 1;

the flange joint between the upper part of the kettle body and the lower part of the kettle body can be opened, so that the equipment is convenient to overhaul and clean

When in use, the utility model is used for cleaning the inner wall of the tank,

firstly, adding a material to be concentrated into the lower part of a kettle main body 1 through a feed inlet 6, switching on and vacuumizing, heating a heating sleeve 3, and opening a condensing pipe inlet 15 and a condensing pipe outlet 16 on a condensing pipeline 5 to circulate condensed water; starting a stirring motor to stir, wherein under vacuum heating of a material to be concentrated, solvent gas rises to enter the upper part of the kettle main body 1 through steam holes of the partition plate 2, is condensed into liquid to flow down, and flows out of a solvent outflow port 7 to a solvent recovery container after being collected by the partition plate 2; heating the heating sleeve until the heating sleeve is concentrated to generate no condensate, stopping heating the heating sleeve, discharging the concentrated residue from the discharge hole, and opening the flange joint between the upper part of the kettle main body and the lower part of the kettle main body to transfer the solid residue if the concentrated residue is solid; the use of the concentration equipment is completed.

Through carrying out in-service use to this experiment neotype concentrator, in the whole use, concentration temperature control is the half of solvent boiling point, and the temperature is low, and the decomposition that the product did not appear in whole concentration process is rotten, and whole concentration process solvent gas accomplishes the liquefaction in the cauldron, and solvent high temperature gas does not leak, effectively avoids the corruption to the pipeline, has prolonged equipment duty cycle, has reduced production and maintenance cost.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (5)

1. A concentration device is characterized by comprising a kettle main body (1), a partition plate (2), a heating sleeve (3), a steam hole (4), a condensation pipeline (5), a feeding hole (6), a solvent outflow port (7), a vacuumizing port (8), a stirring paddle (9), a stirring motor (10) and a stirring shaft (11);

the interior of the kettle main body (1) is divided into an upper part and a lower part from the middle through a partition plate (2), the partition plate (2) is fixedly connected with the upper part, and the partition plate (2) is connected with the lower part through a flange; the clapboard (2) comprises steam holes (4), and the edges of the steam holes (4) comprise arc barriers (14) extending upwards; the heating jacket (3) is wrapped on the lower half part of the outer part of the kettle main body (1); the condensation pipeline (5) is wound on the upper half part of the outer part of the kettle main body (1); the top of the upper part of the kettle main body (1) comprises a vacuumizing port (8) and an observation mirror (13); the outer side of the lower part of the kettle main body (1) is positioned above the heating sleeve and comprises a feeding hole (6); the lower part of the kettle main body (1) comprises a discharge hole (12);

the arc-shaped enclosure (14) extends from the edge of the steam hole of the partition plate to the upper part of the kettle main body, and the ratio of the extending height to the height of the upper part of the kettle main body is 1: 5-1: 10;

the solvent outlet (7) is positioned above the clapboard (2) and close to the upper surface of the clapboard;

the stirring motor (10) is positioned at the center of the upper part of the kettle main body (1), the stirring shaft (11) is connected with the stirring motor (10) and sequentially penetrates through the middle of the upper part of the kettle and the middle of the partition plate to enter the lower part of the kettle main body, and the lower part of the stirring shaft (11) is connected with the stirring paddle (9);

the height of the lower part of the kettle body (1) is not lower than that of the upper part of the kettle body (1).

2. The concentrator apparatus of claim 1,

the height ratio of the lower part of the kettle body to the upper part of the kettle body is 1: 1-2: 1.

3. The concentrator apparatus of claim 1,

the flange connection part of the upper part of the kettle main body and the lower part of the kettle main body can be opened, so that equipment can be conveniently overhauled and cleaned.

4. The concentrator apparatus of claim 1,

the ratio of the upward extending height of the steam hole edge of the clapboard to the height of the upper part of the kettle body is 1: 8.

5. The concentrator apparatus of claim 2,

the height ratio of the lower part of the kettle body to the upper part of the kettle body is 1.5: 1.

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