CN217092091U

CN217092091U - Centrifugal thin film evaporation device

Info

Publication number: CN217092091U
Application number: CN202123283843.1U
Authority: CN
Inventors: 周煜; 黄浩; 秦大伟; 史洪艳; 王小龙
Original assignee: Truking Technology Ltd
Current assignee: Truking Technology Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-08-02
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a centrifugal thin film evaporation device, which comprises a shell with a feed inlet, a discharge outlet and a gas outlet, wherein a scraper evaporation structure and a power structure for driving the scraper evaporation structure to rotate are arranged in the shell, a cloth disc is arranged at the feed inlet in the shell and is connected with the output end of the power structure, a plurality of partition plates are radially arranged on the cloth disc to divide the cloth disc into a plurality of cloth cavities, a plurality of through holes for communicating the cloth cavities are arranged on the partition plates, and a steam channel is arranged on the cloth disc; the utility model discloses effectual even dispersion of material that will get into the evaporimeter is to evaporimeter barrel internal surface, can be quick, stable formation film under the effect of rotatory scraper blade to guarantee the high-efficient evaporation process of evaporimeter, meanwhile the defoamer effectively avoids the material to get into vacuum system with the form that the foam smugglied secretly, has ensured high-efficient, stable operation of centrifugal film evaporation plant.

Description

Centrifugal thin film evaporation device

Technical Field

The utility model relates to a film evaporation technology field, in particular to centrifugation film evaporation plant.

Background

The material applied to the film evaporation equipment is often accompanied with high viscosity and heat sensitivity, the problem of material accumulation is easily formed in the evaporator, particularly in the scraper film evaporator, along with the rotation of the scraper, the material is influenced by centrifugal force and scraping force, when the material distribution effect is not good, the material is easy to adhere and accumulate on the top of the film evaporator and the centrifugal scraper, so that the material is not favorable for film formation, and simultaneously the material can block vacuum to influence the evaporation effect of an evaporation system.

The mode that keeps off is added through parallel mesh board to current distributing device when the feeding, perhaps adopts the mode of enclosing the fender overflow, and the inhomogeneous problem of material when feeding into distributing device can't be solved to these modes on the one hand, and on the other hand does not have the exogenic action because of leaning on the material subsection of flowing automatically, at the poor operating mode of material viscosity high mobility to it is not good to cause the cloth effect.

Wherein the patent numbers are: 202021052600.X, patent name: the utility model provides a handle high film evaporator distributing device's of gluing material utility model patent discloses the feed inlet comprises two inlet pipes that are central symmetry, and this feed inlet is unanimous with direction of rotation, has reduced the overflow of material and has flowed. The transmission shaft is directly connected with the fan-shaped distributing device, the fan-shaped distributing device is composed of 12 fan-shaped teeth which are distributed in a circular shape, and the rotating direction is from left to right, and the direction inside the fan-shaped feeder is from a large surface to a small surface, so that the flow of viscous materials can be effectively promoted, and the adhesion of the viscous materials on an evaporation wall surface is avoided. The demister is positioned below the fan-shaped distributor and is consistent with the gas discharge direction of the vacuum port, so that the flow of a gas phase in the evaporator is accelerated. It is known that the sector-shaped distributor disclosed therein consists of sector-shaped teeth and that the demister is located below the sector-shaped distributor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a centrifugal thin film evaporation device, which solves the problem that the material is not uniform when entering a material distribution device; the distributing effect of the distributing device is poor; the material accumulation is easily formed in the evaporator, and particularly, the adhesion accumulation phenomenon is easily generated on the top of the thin film evaporator and the centrifugal scraper, so that the material film forming is not facilitated, and meanwhile, the evaporation effect of an evaporation system is influenced due to the fact that the material is blocked by vacuum.

The utility model discloses a realize like this, a centrifugation film evaporation plant, including the casing that has feed inlet, discharge gate, gas outlet, be equipped with scraper blade evaporation structure and drive scraper blade evaporation structure pivoted power structure in the casing, feed inlet department in the casing is equipped with the cloth dish, the cloth dish with the output of power structure is connected, the cloth dish will along radially being equipped with a plurality of baffles the cloth dish falls into a plurality of cloth chambeies, just be equipped with on the baffle and communicate each a plurality of through-holes in cloth chamber, be equipped with steam channel on the cloth dish.

The material distribution disc is divided into a plurality of material distribution cavities by the partition plates, and when the material distribution disc rotates, the material distribution cavities can play a role in guiding materials under the guiding effect of the partition plates, so that the material distribution effect is good; simultaneously, through the through holes in the partition plates, materials in the plurality of material distribution cavities can be uniformly distributed again, and the materials on the material distribution plate are uniformly distributed.

The utility model discloses a further technical scheme is: the baffle is an arc-shaped plate, and the bending direction of the arc-shaped plate is consistent with the rotating direction of the distributing structure.

The arc-shaped plate can play a role in guiding the cloth, so that the cloth is ensured to be uniform, and the resistance in the rotating process is reduced.

The utility model discloses a further technical scheme is: the cloth disc comprises a conical body, and the steam channel is arranged at the small end of the conical body.

The design of toper body makes things convenient for the material to flow outward.

The utility model discloses a further technical scheme is: the plurality of clapboards are sequentially arranged on the conical body, and one end part of the inner side of each clapboard is connected with the outer wall of the steam channel.

The utility model discloses a further technical scheme is: and a foam breaker is arranged at the top end of the steam channel. So that the defoaming and the cloth are of an integrated structure.

The utility model discloses a further technical scheme is: the defoamer is conical, and the conical top of the defoamer and the conical top of the conical body are in the same direction.

The utility model discloses a further technical scheme is: the defoamer is provided with a plurality of meshes. The evaporated solvent flows out upwards under the traction of a vacuum system and is under the action of a defoamer with meshes on a steam channel, so that foam is broken, entrainment is eliminated, and material loss is avoided.

The utility model discloses a further technical scheme is: the evaporation device also comprises a foam breaker arranged at the top end of the steam channel.

The utility model discloses a further technical scheme is: the defoamer is conical, and a plurality of meshes are arranged on the defoamer.

The utility model discloses a further technical scheme is: the feed inlet with cloth dish top intercommunication, just the feed inlet is a plurality of. A plurality of feed inlets and a plurality of cloth chamber cooperation, the material that can further assurance distributes evenly on the cloth dish, guarantees subsequent cloth effect.

The utility model has the advantages that: the cloth and the defoaming are integrated, materials entering the evaporator can be effectively and uniformly dispersed on the inner surface of the barrel of the evaporator, and a film can be quickly and stably formed under the action of the rotary scraper, so that the high-efficiency evaporation process of the evaporator is ensured, meanwhile, the defoamer effectively prevents the materials from entering a vacuum system in a form of entrainment, and the high-efficiency and stable operation of the centrifugal scraper film evaporation equipment is ensured;

the material distributing disc is divided into a plurality of material distributing cavities by the partition plates on the material distributing disc, and the partition plates are provided with the through holes, so that materials among the material distributing cavities can be uniformly distributed again through the through holes and are uniformly distributed on the cylinder wall of the centrifugal scraper blade film evaporator under the guiding action of the partition plates, the material distributing effect is good, the purpose of distributing the materials to form a film is realized, and meanwhile, the material is damaged and foamed in the evaporating process by matching with the defoamer, and the material leakage phenomenon is prevented;

the plurality of feed inlets distribute the materials in the plurality of material distribution cavities, so that the material distribution on the material distribution plate is further ensured to be uniform, and the material distribution effect of the centrifugal scraper film evaporator is ensured.

Drawings

Fig. 1 is a schematic structural view of a cloth structure disclosed in the present invention;

FIG. 2 is a top view of a fabric structure of the present invention;

FIG. 3 is a cross-sectional view of a fabric structure of the present invention;

FIG. 4 is a schematic view of a centrifugal thin film evaporator according to the present invention;

fig. 5 a enlarged view of the present invention.

Reference numerals: 1. the device comprises a cloth disc, a steam channel 2, a partition plate 3, a through hole 4, a defoamer 5, a feed port 6, a scraper evaporation structure 7, a power structure 8 and a shell 9.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, proportion relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The first embodiment is as follows:

fig. 1-5 show a centrifugal thin film evaporation device, including the casing 9 that has feed inlet 6, discharge gate, gas outlet, be equipped with scraper blade evaporation structure 7 and drive scraper blade evaporation structure 7 pivoted power structure 8 in the

casing

9, 6 departments of feed inlet in the casing 9 are equipped with cloth dish 1, cloth dish 1 with power structure 8's output is connected, its characterized in that: the cloth disc 1 is provided with a plurality of partition plates 3 along the radial direction to divide the cloth disc 1 into a plurality of cloth cavities, the partition plates 3 are provided with a plurality of through holes 4 for communicating the cloth cavities, and the cloth disc 1 is provided with a steam channel 2.

As a preferred embodiment, the partition plate 3 is an arc-shaped plate, and the bending direction of the arc-shaped plate is consistent with the rotation direction of the cloth structure.

As a preferred embodiment, the distribution tray 1 comprises a conical body, and the steam channel 2 is arranged at the small end of the conical body.

Specifically, a plurality of the partition plates 3 are sequentially arranged on the conical body, and one end part of the inner side of each partition plate 3 is connected with the outer wall of the steam channel 2.

Specifically, a foam breaker 5 is arranged at the top end of the steam channel 2.

Specifically, the defoamer 5 is conical, and the vertex of the defoamer 5 and the vertex of the conical body are in the same direction.

Specifically, the defoamer 5 is provided with a plurality of meshes.

As a preferred embodiment, the feed inlet 6 is communicated with the upper part of the distribution disc 1, and the feed inlet 6 is provided with a plurality of feed inlets.

The utility model discloses a theory of operation: the cloth disc 1 is connected with the output end of the power structure 8, and the power structure 8 is connected with the scraper evaporation structure 7, so that the cloth disc 1 and the scraper evaporation structure 7 move together, the cloth disc 1 and the conical mesh defoamer 5 are of an integral structure, wherein the cloth disc 1 is conical, a plurality of partition plates 3 are uniformly distributed on the cloth disc 1, the partition plates 3 are arc-shaped plates, the bending direction of the arc-shaped plates is consistent with the rotating direction of the cloth structure, a certain number of through holes 4 are formed in the partition plates 3, firstly, the cloth disc 1 is divided into a plurality of cloth cavities by the plurality of partition plates 3, the upper surfaces of the partition plates 3 are open, a plurality of feed inlets 6 can be conveniently and uniformly distributed on the cloth disc 1, and the distribution of materials is more uniform; meanwhile, the material distribution disc 1 is in a conical shape with the periphery inclined downwards, so that materials can flow outwards conveniently; in addition, the through holes 4 are arranged on the partition plate 3, so that the materials can be uniformly distributed on the material distribution disc 1 under the action of centrifugal rotation under the condition that initial feeding cannot be uniformly distributed on the material distribution disc 1; when the material in the material distribution cavity on one adjacent side is more than the material on the other side, the material can be uniformly distributed along the through holes 4, so that the material is uniformly distributed on the material distribution disk 1.

The material is conveyed to the feeding distribution disc of the evaporator through a plurality of feed inlets 6, the feed liquid of the feed inlets 6 corresponds to a plurality of feed cavities of the feed distribution disc 1, the feed liquid in the feed cavities flows radially along the conical feed distribution disc 1 to the wall of the evaporator cylinder under the double action of gravity and rotary centrifugal force, on the other hand, the feed liquid at a high position in the feed cavities flows annularly through the through holes 4 on the partition plate 3, so that the feed liquid is continuously and uniformly distributed on the inner wall of the evaporator cylinder, the feed liquid flows downwards along the inner wall of the evaporator cylinder in a spiral film mode under the action of gravity and an evaporator scraper, the scraper of the evaporator keeps a small distance with the evaporator cylinder to control the thickness of a formed film of the feed liquid, the rotation speed of the scraper of the evaporator realizes stepless speed change through the variable frequency adjustment of a stirring motor, the formed film feed liquid is evaporated under the heating action of an evaporator jacket, and the evaporated solvent flows upwards out of the evaporator cylinder under the traction of a vacuum system, when passing through the foam breaker 5, the foam is broken under the action of the conical meshes, so that entrainment is eliminated, and material loss is avoided.

This special cloth and defoaming integrated design structure, can be effectual with the even dispersion of the material that gets into the evaporimeter to evaporimeter barrel internal surface, can be quick, stable formation film under the effect of rotatory scraper blade to guarantee the high-efficient evaporation process of evaporimeter, meanwhile the defoaming part effectively avoids the material to get into vacuum system with the form that the foam smugglied secretly, has ensured high-efficient, stable operation of centrifugal film evaporation plant.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a centrifugal thin film evaporation device, is including casing (9) that has feed inlet (6), discharge gate, gas outlet, be equipped with scraper blade evaporation structure (7) and drive scraper blade evaporation structure (7) pivoted power structure (8) in casing (9), feed inlet (6) department in casing (9) is equipped with cloth dish (1), cloth dish (1) with the output of power structure (8) is connected, its characterized in that: cloth dish (1) along radially being equipped with a plurality of baffles (3) will cloth dish (1) divide into a plurality of cloth chambeies, just be equipped with on baffle (3) and communicate each a plurality of through-holes (4) in cloth chamber, be equipped with steam channel (2) on cloth dish (1).

2. The centrifugal thin-film evaporation device of claim 1, wherein the partition plate (3) is an arc-shaped plate, and the bending direction of the arc-shaped plate is consistent with the rotation direction of the distribution plate (1).

3. The centrifugal thin-film evaporation device according to claim 1 or 2, wherein the distribution tray (1) comprises a conical body, and the steam channel (2) is arranged at the small end of the conical body.

4. A centrifugal membrane evaporator unit according to claim 3, characterized in that a plurality of said baffles (3) are arranged in sequence on said conical body, and that the inner end of each said baffle (3) is connected to the outer wall of said steam channel (2).

5. A centrifugal membrane evaporator unit according to claim 3, characterized in that the top of the steam channel (2) is provided with a foam breaker (5).

6. A centrifugal thin-film evaporation device according to claim 5, wherein the defoamer (5) is conical and the cone top of the defoamer (5) and the cone top of the conical body are oriented in the same direction.

7. A centrifugal thin-film evaporation apparatus according to claim 1 or 2, further comprising a defoamer (5) placed at the top end of the steam channel (2).

8. A centrifugal membrane evaporator unit according to claim 7, characterized in that the defoamer (5) is conical and that the defoamer (5) is provided with a number of mesh openings.

9. The centrifugal thin-film evaporation device of claim 1 or 2, wherein the feed inlet (6) is communicated with the upper part of the distribution plate (1), and the feed inlets (6) are multiple.