CN210384876U

CN210384876U - Rotary scraper film evaporator

Info

Publication number: CN210384876U
Application number: CN201920936937.8U
Authority: CN
Inventors: 潘万贵; 林海波
Original assignee: Taizhou Vocational and Technical College
Current assignee: ZHEJIANG CHENGXIN PHARM & CHEM EQUIPMENT Co.,Ltd.
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-04-24
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a rotatory scraper blade film evaporator, including film evaporator barrel, there is the arc bottom the bottom of film evaporator barrel through flange fixed mounting, the inside fixed mounting of arc bottom has the annular ultrasonic wave vibration plate that the level set up, fixedly connected with annular aeration dish in the upper end oral area of arc bottom, the aeration micropore has been seted up on the upper portion surface of annular aeration dish, the line hole has been seted up to the lower part of arc bottom, annular aeration dish has the steam air-blower through the trachea intercommunication, annular ultrasonic wave vibration plate is connected with supersonic generator through the connecting wire, trachea and connecting wire all run through in crossing the line hole, the discharge gate has been seted up to the bottom of arc bottom. The film evaporator utilizes the action of ultrasonic waves and microbubbles with heat to facilitate the acceleration of the evaporation speed, can be directly refitted on the prior evaporator, and has simple structure and easy realization.

Description

Rotary scraper film evaporator

Technical Field

The utility model relates to a film evaporator technical field specifically is a rotatory scraper blade film evaporator.

Background

The thin film evaporator is a novel high-efficiency evaporator which is forced to form a film by a rotary film scraper, flows at a high speed, has high heat transfer efficiency and short residence time (about 10-50 seconds) and can perform falling film evaporation under the vacuum condition. The film evaporator is a type of evaporator, and is characterized by that the material liquid can be flowed along the wall of heating tube in the form of film to make heat transfer and evaporation, and its advantages are high heat transfer efficiency, high evaporation speed and short retention time of material, so that it is specially suitable for evaporation of heat-sensitive material.

When the existing thin film evaporator is used, heating is often carried out from the outside, a heat source is not arranged in the thin film evaporator, and the heat source is unstable and the efficiency is relatively low only by a mode of evaporating a thin film formed between a scraper and the wall of the evaporator cylinder. We therefore propose a rotating scraper film evaporator which can accelerate evaporation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory scraper blade film evaporator utilizes the effect of ultrasonic wave and have thermal microbubble to be convenient for improve the evaporation rate with higher speed, and this evaporimeter can directly reequip on current evaporimeter, simple structure, easily realizes to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a rotatory scraper blade film evaporator, includes the film evaporator barrel, there is the arc bottom the bottom of film evaporator barrel through flange fixed mounting, the inside fixed mounting of arc bottom has the annular ultrasonic wave that the level set up to shake the board, fixedly connected with annular aeration dish in the upper end oral area of arc bottom, the aeration micropore has been seted up on the surface to the upper portion of annular aeration dish, the line hole has been seted up to the lower part of arc bottom, annular aeration dish has the steam air-blower through the trachea intercommunication, annular ultrasonic wave shakes the board and is connected with supersonic generator through the connecting wire, trachea and connecting wire all run through in crossing the line hole, it has high temperature resistant plastic envelope glue film to cross the sealed packing of line hole inside, the discharge gate has been seted up.

Preferably, the outer side wall of the cylinder of the thin film evaporator is provided with a heating jacket, the upper part of one side of the heating jacket is provided with a jacket inlet, and the lower part of one side of the heating jacket is provided with a jacket outlet.

Preferably, a stirring motor is installed at the top of the barrel body of the thin film evaporator, the lower part of the stirring motor is in transmission connection with a rotating shaft, a scraper is fixedly connected onto the rotating shaft through a connecting rod, and an inverted cone-shaped barrel is fixedly connected to the lower end of the scraper.

Preferably, the rotating shaft is fixedly connected with a spiral upward-turning blade.

Preferably, the distance between the outer side wall of the scraper and the cylinder of the thin film evaporator is set to be 0.5-1.5 mm.

Preferably, the arc bottom is of a stainless steel semispherical structure, and a heat-insulating paint layer is sprayed on the outer side surface of the arc bottom.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a film evaporator shakes the design of board and annular aeration dish through annular ultrasonic wave, utilizes the effect of ultrasonic wave and have thermal microbubble to be convenient for improve the evaporation rate with higher speed, and this evaporimeter can directly reequip on current evaporimeter, simple structure, easily realizes.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the arc-shaped bottom of the present invention;

fig. 3 is a schematic top view of the annular aeration disk of the present invention.

In the figure: 1. a stirring motor; 2. a thin film evaporator cylinder; 3. a jacket inlet; 4. a heating jacket; 5. a flange; 6. an arc-shaped bottom; 7. a discharge port; 8. an inverted cone; 9. a jacket outlet; 10. a squeegee; 11. a connecting rod; 12. spirally turning up the leaves; 13. a rotating shaft; 14. an annular aeration disc; 15. an annular ultrasonic vibrating plate; 16. an air tube; 17. a connecting wire; 18. a wire passing hole; 19. an ultrasonic generator; 20. a hot air blower; 21. and (5) aerating the micropores.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: this rotatory scraper blade film evaporator, including film evaporator barrel 2, there is arc bottom 6 bottom the bottom of film evaporator barrel 2 through flange 5 fixed mounting, the inside fixed mounting of arc bottom 6 has the annular ultrasonic wave vibration plate 15 that the level set up, fixedly connected with annular aeration dish 14 in the upper end oral area of arc bottom 6, aeration micropore 21 has been seted up on the surface to the upper portion of annular aeration dish 14, line hole 18 has been seted up to the lower part of arc bottom 6, annular aeration dish 14 has steam air-blower 20 through 16 intercommunications of trachea, annular ultrasonic wave vibration plate 15 is connected with supersonic generator 19 through connecting wire 17, trachea 16 and connecting wire 17 all run through in line hole 18, it has high temperature resistant glue film plastic envelope to cross the inside sealed packing of line hole 18, discharge gate 7 has been seted up to the bottom of arc bottom.

Specifically, a heating jacket 4 is arranged on the outer side wall of the thin film evaporator cylinder 2, a jacket inlet 3 is arranged on the upper portion of one side of the heating jacket 4, and a jacket outlet 9 is arranged on the lower portion of one side of the heating jacket 4. The inside of the thin film evaporator cylinder 2 is heated from the outside by the heating jacket 4.

Specifically, a stirring motor 1 is installed at the top of a barrel 2 of the thin film evaporator, a rotating shaft 13 is connected to the lower portion of the stirring motor 1 in a transmission mode, a scraper 10 is fixedly connected to the rotating shaft 13 through a connecting rod 11, and an inverted cone 8 is fixedly connected to the lower end of the scraper 10. The stirring motor 1 drives the scraper 10 to rotate, so that rapid evaporation is realized.

Specifically, the rotating shaft 13 is fixedly connected with a spiral upper flap 12. The spiral upward turning 12 is convenient for turning the material leaves, increases the heat flow speed and improves the evaporation speed.

Specifically, the distance between the outer side wall of the scraper 10 and the barrel 2 of the thin film evaporator is set to be 0.5-1.5 mm.

Specifically, the arc bottom 6 is of a stainless steel semispherical structure, and a heat-insulating paint layer is sprayed on the surface of the outer side of the arc bottom 6. The arc bottom 6 is convenient for disassembly, assembly and maintenance.

The working principle is as follows: when the thin film evaporator is used, the effect of ultrasonic waves and micro bubbles with heat is utilized to accelerate and improve the evaporation speed through the design of the annular ultrasonic wave vibration plate 15 and the annular aeration plate 14, and the thin film evaporator can be directly refitted on the existing evaporator, has a simple structure and is easy to realize.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotating scraper film evaporator comprising a thin film evaporator barrel (2) characterized in that: the bottom of the thin film evaporator cylinder (2) is fixedly provided with an arc-shaped bottom (6) through a flange (5), the inside of the arc-shaped bottom (6) is fixedly provided with a horizontally arranged annular ultrasonic vibration plate (15), the upper port part of the arc-shaped bottom (6) is internally and fixedly connected with an annular aeration disc (14), the upper surface of the annular aeration disc (14) is provided with aeration micropores (21), the lower part of the arc-shaped bottom (6) is provided with wire passing holes (18), the annular aeration disc (14) is communicated with a hot air blower (20) through an air pipe (16), the annular ultrasonic vibration plate (15) is connected with an ultrasonic generator (19) through a connecting wire (17), the air pipe (16) and the connecting wire (17) both penetrate through the wire passing holes (18), and the inside of the wire passing holes (18) is hermetically filled with a high-temperature resistant plastic, and a discharge hole (7) is formed in the bottom of the arc-shaped bottom (6).

2. The rotary scraper film evaporator as set forth in claim 1, wherein: the outer side wall of the thin film evaporator cylinder (2) is provided with a heating jacket (4), the upper part of one side of the heating jacket (4) is provided with a jacket inlet (3), and the lower part of one side of the heating jacket (4) is provided with a jacket outlet (9).

3. The rotary scraper film evaporator as set forth in claim 1, wherein: stirring motor (1) is installed at the top of thin film evaporator barrel (2), the underdrive of stirring motor (1) is connected with axis of rotation (13), be connected with connecting rod (11) fixedly connected with scraper blade (10) on axis of rotation (13), the lower extreme fixedly connected with back taper section of thick bamboo (8) of scraper blade (10).

4. A rotary scraper film evaporator according to claim 3 in which: the rotating shaft (13) is fixedly connected with a spiral upper turning blade (12).

5. The rotary scraper film evaporator as set forth in claim 1, wherein: the distance between the outer side wall of the scraper (10) and the barrel (2) of the thin film evaporator is set to be 0.5-1.5 mm.

6. The rotary scraper film evaporator as set forth in claim 1, wherein: the arc bottom (6) is of a stainless steel semispherical structure, and a heat-insulating paint layer is sprayed on the surface of the outer side of the arc bottom (6).