CN211462098U

CN211462098U - Wiped film evaporator with double-layer heating structure

Info

Publication number: CN211462098U
Application number: CN201922065277.3U
Authority: CN
Inventors: 牟富君; 罗仕祥; 丁锋; 张帅
Original assignee: Jiangsu Juneng Machinery Co ltd; JUNENG MACHINERY (CHINA) CO Ltd
Current assignee: Jiangsu Juneng Machinery Co ltd; JUNENG MACHINERY (CHINA) CO Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-11
Anticipated expiration: 2029-11-26

Abstract

The utility model provides a double-deck heating structure's wiped film evaporator, concretely relates to mechanical equipment technical field. The utility model discloses a motor, the lower extreme of motor is equipped with the cylinder, the lateral wall of cylinder is equipped with evacuation pipe and inlet pipe, the below of evacuation pipe is located to the inlet pipe, the lower extreme of cylinder is equipped with the evaporation cylinder, the evaporation cylinder comprises last evaporation cylinder and lower evaporation cylinder, the lateral wall of going up the evaporation cylinder is equipped with barrel casing and lower barrel casing respectively with the lateral wall of lower evaporation cylinder, it all is equipped with steam pipe and condensate pipe with lower barrel casing to go up the barrel casing, condensate pipe top is located to the steam pipe, be equipped with the axis of rotation in the cylinder and the evaporation cylinder, the upper end of axis of rotation meets with the pivot of motor, the lateral wall of axis of rotation is equipped with the scraper blade, the lower extreme of evaporation cylinder. The utility model provides a pair of double-deck heating structure's wiped film evaporator, easy to the temperature of accuse evaporation section of thick bamboo, make each temperature of evaporation section of thick bamboo the same, improved the concentration efficiency of material.

Description

Wiped film evaporator with double-layer heating structure

Technical Field

The utility model belongs to the technical field of mechanical equipment, concretely relates to double-deck heating structure's wiped film evaporator.

Background

The wiped film evaporator is a new type of high-efficiency evaporator, and its main technique is derived from digestion and absorption of similar products abroad. It is forced to form film by rotating scraper and can be used for falling film evaporation under vacuum condition. It is widely used in chemical, petrochemical, medicine, pesticide, daily chemical, food, fine chemical and other industries. At present, in the film scraping process of a film evaporator put into production in China, the temperature is not easy to control, films at different heights are heated unevenly, and the concentration efficiency is influenced.

A wiped film evaporator (grant CN201420742887.7) discloses a wiped film evaporator which comprises a driving device, a discharge cylinder and an evaporation cylinder. The device not only can realize that the fall in the grandpa separation is collected, and pivoted connecting device and row material section of thick bamboo have a pushing action to falling into the residue of arranging in the material section of thick bamboo moreover, and the residue is discharged with higher speed, and the phenomenon that the residue blockked up at the fluid-discharge tube among the prior art improves the effect, but the device is unable to lead to the membrane to be heated inequality to the temperature of accuse evaporation section of thick bamboo easily.

In view of the above circumstances, there is a need for a wiped film evaporator with a double-layer heating structure, which is easy to control the temperature of an evaporation cylinder, so that the temperatures of all parts of the evaporation cylinder are the same, and the concentration efficiency of materials is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double-deck heating structure's wiped film evaporator makes each temperature of an evaporation section of thick bamboo the same to the temperature of accuse evaporation section of thick bamboo easily, has improved the concentration efficiency of material.

The utility model provides a following technical scheme:

a double-layer heating structure wiped film evaporator comprises a motor, wherein a separating cylinder is arranged at the lower end of the motor, the upper end of the separating cylinder is connected with the motor, a vacuumizing pipe and a feeding pipe which are communicated with the separating cylinder are arranged on the side wall of the separating cylinder, and the feeding pipe is arranged below the vacuumizing pipe; the lower end of the separation cylinder is provided with an evaporation cylinder, and the upper end of the evaporation cylinder is connected with the separation cylinder; the evaporation cylinder consists of an upper evaporation cylinder and a lower evaporation cylinder; the outer side wall of the upper evaporation cylinder and the outer side wall of the lower evaporation cylinder are respectively provided with an upper cylinder sleeve and a lower cylinder sleeve, the upper cylinder sleeve and the lower cylinder sleeve are both provided with a steam pipe and a condensate pipe, and the steam pipe is arranged above the condensate pipe; rotating shafts are arranged in the separating cylinder and the evaporating cylinder, and the upper end of each rotating shaft is connected with a rotating shaft of the motor; a scraper is arranged on the side wall of the rotating shaft; the lower end of the evaporation cylinder is provided with a discharge cylinder.

Preferably, the lower extreme of motor is equipped with the shaft coupling, the upper end of shaft coupling with the motor meets.

Preferably, the lower end of the coupler is provided with a mechanical sealing element, and the upper end and the lower end of the mechanical sealing element are respectively connected with the coupler and the separating cylinder.

Preferably, the upper end of the separating cylinder is provided with a connecting shaft, the connecting shaft penetrates through the upper end of the separating cylinder, the upper end and the lower end of the connecting shaft are respectively connected with the coupler and the upper end of the rotating shaft, and the side wall of the connecting shaft is rotatably connected with the side wall of the mechanical sealing element.

Preferably, the bottom end of the rotating shaft is provided with a bottom bearing, the upper end of the bottom bearing is connected with the rotating shaft, and the edge support of the bottom bearing is connected with the inner side wall of the discharging barrel.

Preferably, an oil delivery pipe is arranged on the side part of the bottom bearing, one end of the oil delivery pipe is connected with the bottom bearing, and the other end of the oil delivery pipe penetrates through the side wall of the discharge barrel.

Preferably, the separating cylinder is connected with the upper evaporating cylinder, the upper evaporating cylinder is connected with the lower evaporating cylinder, and the lower evaporating cylinder is connected with the discharging cylinder through flanges.

The utility model discloses a profitable effect:

the utility model discloses a lower extreme of motor is equipped with the cylinder, the upper end of cylinder is connected with the motor, the lateral wall of cylinder is equipped with evacuation pipe and the inlet pipe that link up mutually with the cylinder, the inlet pipe is located the below of evacuation pipe, the lower extreme of cylinder is equipped with the cylinder, the upper end of cylinder is connected with the cylinder, the cylinder comprises last cylinder and lower cylinder, the lateral wall of last cylinder and the lateral wall of lower cylinder are equipped with upper sleeve and lower sleeve respectively, upper sleeve and lower sleeve all are equipped with steam pipe and condensate pipe, the steam pipe is located the condensate pipe top, be equipped with the axis of rotation in the cylinder and the cylinder, the upper end of axis of rotation is connected with the pivot of motor, the lateral wall of axis of rotation is equipped with the scraper blade, the lower extreme of cylinder is equipped with out the cylinder; the device controls the temperature of the evaporation cylinder through the steam handle, the temperature of the evaporation cylinder is easy to control, the temperature of each part of the evaporation cylinder is the same, the evaporation cylinder consists of an upper evaporation cylinder and a lower evaporation cylinder, and the concentration efficiency of materials is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial enlarged view of the present invention;

FIG. 3 is a partial enlarged view of the present invention;

fig. 4 is a partial enlarged view of the present invention.

Description of reference numerals:

1. a motor; 2. a coupling; 3. a mechanical seal; 4. a rotating shaft; 5. a separation cylinder; 6. a feed pipe; 7. a steam pipe; 8. a condensate pipe; 91. an upper evaporation cylinder; 92. a lower evaporation cylinder; 101. an upper cylinder sleeve; 102. a lower cylinder sleeve; 11. a squeegee; 12. feeding the material barrel; 13. a bottom bearing; 14. an oil delivery pipe; 15. and (6) evacuating the tube.

Detailed Description

As shown in fig. 1, the wiped film evaporator with a double-layer heating structure comprises a motor 1, wherein a coupler 2 is arranged at the lower end of the motor 1, and the upper end of the coupler 2 and the motor 1 are connected through bolts; the lower end of the coupler 2 is provided with a separating cylinder 5, the upper end of the separating cylinder 5 is connected with the coupler 2 through a bolt, the side wall of the separating cylinder 5 is provided with a vacuumizing tube 15 and a feeding tube 6, the feeding tube 6 is arranged below the vacuumizing tube 15, the vacuumizing tube 15 is convenient for vacuumizing air in the device, and the feeding tube 6 is convenient for conveying materials; the lower end of the separating cylinder 5 is provided with an evaporation cylinder, and the upper end of the evaporation cylinder is connected with the separating cylinder 5 through a flange; the evaporation cylinder consists of an upper evaporation cylinder 91 and a lower evaporation cylinder 92; the outer side wall of the upper evaporation cylinder 91 and the outer side wall of the lower evaporation cylinder 92 are respectively provided with an upper cylinder sleeve 101 and a lower cylinder sleeve 102, the upper cylinder sleeve 101 and the lower cylinder sleeve 102 are both provided with a steam pipe 7 and a condensate pipe 8, the steam pipe 7 is arranged above the condensate pipe 8, the steam pipe 7 is convenient for conveying steam into the device, the condensate pipe 8 is convenient for discharging cooled water, the upper cylinder sleeve 101 and the lower cylinder sleeve 102 not only play a role in protecting the upper evaporation cylinder 91 and the lower evaporation cylinder 92, but also are beneficial to transferring heat to the evaporation cylinders by the steam, and a heat preservation effect is achieved; a rotating shaft 4 is arranged in the separating cylinder 5 and the evaporating cylinder along the vertical direction, a connecting shaft is arranged at the upper end of the rotating shaft 4, the bottom end of the connecting shaft is connected with the rotating shaft 4 through a bolt, the upper end of the connecting shaft is connected with a coupler 2, and the coupler 2 is beneficial to the motor 1 to transmit power to the rotating shaft 4; the side wall of the rotating shaft 4 is provided with a scraper 11, the end part of the scraper 11 is connected with the rotating shaft 4, and the scraper 11 is beneficial to scraping the liquid material into a film and coating the film on the inner wall of the evaporation cylinder, so that the concentration efficiency of the liquid material is improved; the upper end of the separating cylinder 5 is provided with a mechanical sealing element 3, the inner side wall of the mechanical sealing element 3 is rotationally connected with the side wall of the connecting shaft, and the lower end of the mechanical sealing element 3 is connected with the separating cylinder 5 through a bolt; the mechanical sealing element 3 enables the connection between the rotating shaft 4 and the coupling 2 to be tighter, and prevents outside air from entering the separating cylinder 5; the lower end of the lower evaporation cylinder 92 is provided with a discharge cylinder 12, and the longitudinal section of the discharge cylinder 12 is in an inverted trapezoid shape; the bottom end of the rotating shaft 4 is provided with a bottom bearing 13, the inner side wall of the bottom bearing 13 is provided with a rotating shaft, the upper end of the rotating shaft is connected with the bottom end of the rotating shaft 4 through a bolt, the side wall of the lower end of the rotating shaft is connected with the inner side wall of the bottom bearing 13, the edge of the bottom bearing 13 is connected with the inner side wall of the discharging barrel 12, and the bottom bearing 13 plays a role in supporting the rotating shaft 4; an oil delivery pipe 14 is arranged on the side part of the bottom bearing 13, one end of the oil delivery pipe 14 is connected with the bottom bearing 13, the other end of the oil delivery pipe 14 penetrates through the side wall of the discharge barrel 12, and lubricating oil is added into the bottom bearing 13 through the oil delivery pipe 12 to reduce the abrasion of the bottom bearing 13.

The utility model discloses a working method: the motor 1 drives the rotating shaft 4 to rotate through the coupler 2, the vacuum pumping is carried out through the vacuum pumping pipe 15, steam is conveyed through the steam pipe 7, the steam temperature is easy to control, the temperature of each part of the evaporation cylinder is enabled to be the same, the contact area with the evaporation cylinder is large, cooled steam flows out through the condensate pipe 8, materials enter the device through the feed pipe 6, the rotating shaft 4 drives the scraper blades 11 to sweep and scrape the material liquid, the inner side wall of the upper evaporation cylinder 91 and the inner side wall of the lower evaporation cylinder 92 are coated with films, the films can be thinned after being heated and evaporated, the material liquid entering later is swept and scraped by the subsequent scraper blades 11 to form new films, and the material liquid is evaporated again, so that.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wiped film evaporator of double-deck heating structure which characterized in that: the device comprises a motor, wherein a separating cylinder is arranged at the lower end of the motor, the upper end of the separating cylinder is connected with the motor, a vacuumizing pipe and a feeding pipe which are communicated with the separating cylinder are arranged on the side wall of the separating cylinder, and the feeding pipe is arranged below the vacuumizing pipe; the lower end of the separation cylinder is provided with an evaporation cylinder, and the upper end of the evaporation cylinder is connected with the separation cylinder; the evaporation cylinder consists of an upper evaporation cylinder and a lower evaporation cylinder; the outer side wall of the upper evaporation cylinder and the outer side wall of the lower evaporation cylinder are respectively provided with an upper cylinder sleeve and a lower cylinder sleeve, the upper cylinder sleeve and the lower cylinder sleeve are both provided with a steam pipe and a condensate pipe, and the steam pipe is arranged above the condensate pipe; rotating shafts are arranged in the separating cylinder and the evaporating cylinder, and the upper end of each rotating shaft is connected with a rotating shaft of the motor; a scraper is arranged on the side wall of the rotating shaft; the lower end of the evaporation cylinder is provided with a discharge cylinder.

2. The wiped film evaporator of claim 1, wherein: the lower extreme of motor is equipped with the shaft coupling, the upper end of shaft coupling with the motor meets.

3. The wiped film evaporator of claim 2, wherein: the lower extreme of shaft coupling is equipped with mechanical seal, mechanical seal's upper end and lower extreme respectively with the shaft coupling with the separator cylinder meets.

4. The wiped film evaporator of claim 3, wherein: the upper end of the separating cylinder is provided with a connecting shaft which penetrates through the upper end of the separating cylinder, the upper end and the lower end of the connecting shaft are respectively connected with the coupler and the upper end of the rotating shaft, and the side wall of the connecting shaft is rotatably connected with the side wall of the mechanical sealing element.

5. The wiped film evaporator of claim 1, wherein: the bottom of axis of rotation is equipped with the end bearing, the upper end of end bearing with the axis of rotation meets, the marginal support of end bearing with the inside wall of play feed cylinder meets.

6. The wiped film evaporator of claim 5, wherein: an oil delivery pipe is arranged on the side portion of the bottom bearing, one end of the oil delivery pipe is connected with the bottom bearing, and the other end of the oil delivery pipe penetrates through the side wall of the discharge barrel.

7. The wiped film evaporator of claim 1, wherein: the separating cylinder is connected with the upper evaporation cylinder, the upper evaporation cylinder is connected with the lower evaporation cylinder, and the lower evaporation cylinder is connected with the discharge cylinder through flanges.