CN219251664U

CN219251664U - Film scraping evaporator

Info

Publication number: CN219251664U
Application number: CN202223461088.6U
Authority: CN
Inventors: 唐建新
Original assignee: Wuxi Yiteng Pressure Vessel Co ltd
Current assignee: Wuxi Yiteng Pressure Vessel Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-06-27
Anticipated expiration: 2032-12-24

Abstract

The utility model discloses a film scraping evaporator, which comprises an evaporator body, wherein a film scraping mechanism is arranged in the evaporator body, a discharging pipe is fixedly connected to the bottom of the evaporator body, a vacuum air outlet pipe is fixedly connected to the top of the evaporator body, the evaporator body comprises an outer barrel body and an inner barrel body, the inner barrel body is fixedly connected to the inner part of the outer barrel body, a cavity is reserved between the outer barrel body and the inner barrel body, a feeding mechanism is arranged on the inner barrel body, a heater is arranged in the barrel wall of the inner barrel body, and a liquid distributor is arranged in the inner barrel body. The beneficial effects are that: according to the utility model, the feed liquid enters the evaporator body from the lower part, and the feeding pipe is spirally wound on the inner barrel body, so that heat exchange can be performed to a greater extent in the spiral rising process of the feed liquid, the preheating effect of the feed liquid is improved, the efficiency of the feed liquid in film scraping evaporation is higher, the effect is better, and the energy consumption can be reduced.

Description

Film scraping evaporator

Technical Field

The utility model relates to the technical field of evaporators, in particular to a wiped film evaporator.

Background

The film scraping evaporator is widely applied to the chemical industry field, and is a novel high-efficiency evaporator which can forcedly form a film through a rotary film scraping device, flows at a high speed, has high heat transfer efficiency and short residence time, and can perform falling film evaporation under a vacuum condition.

Through retrieving, chinese patent publication No. CN208877931U discloses a scratch film evaporator device, including scratch film evaporator body, the top right side of scratch film evaporator body is connected with the feed inlet, and the lower part outer wall connection of scratch film evaporator body has the heater, and the lower part of scratch film evaporator body is connected with the slag notch, and the slag notch is located the below of heater, and the surface of slag notch is connected with the sediment pump, and the top of scratch film evaporator body is connected with the motor support, and the middle part of motor support is connected with the motor, and the bottom of motor is connected with the axis of rotation. The slag pump arranged on the slag outlet can timely discharge the residual slag in the operation of the wiped film evaporator, so that the utility model is convenient to use; the current wiped film evaporator can preheat the feed liquid, but the feed liquid of above-mentioned patent gets into the evaporimeter body from the top, and the feed liquid is concentrated in a large number and is led to the heating time longer at the top for feed liquid temperature is lower relatively during evaporation, leads to evaporation efficiency lower, and the evaporation effect is general.

Disclosure of Invention

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide a wiped film evaporator.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides a scrape membrane evaporator, includes the evaporator body, this internal scraped film mechanism that is provided with of evaporator, evaporator body bottom fixedly connected with discharging pipe, evaporator body top fixedly connected with vacuum outlet duct, the evaporator body includes outer staving and interior staving, interior staving fixed connection is in inside the outer staving, and outer staving with leave the cavity between the interior staving, be provided with feed mechanism on the interior staving, the staving inside of interior staving is provided with the heater, interior staving inside is provided with the liquid distributor, interior staving inside bottom is provided with the sealing washer.

Preferably, the feeding mechanism comprises a feeding pipe, the feeding pipe is fixedly connected to the outer barrel body, the feeding pipe is fixedly connected with a feeding pipe, the feeding pipe is located in the cavity, the top end of the feeding pipe stretches into the inner barrel body and is fixedly connected with a distributing pipe, and a plurality of spray heads are fixedly connected to the bottom of the distributing pipe.

Preferably, the feeding pipe is spirally wound on the outer wall of the inner barrel body, the distributing pipe is annular, and the distributing pipe is positioned above the liquid distributor.

Preferably, the film scraping mechanism comprises a motor, the motor is fixedly connected to the top of the outer barrel body, an output shaft of the motor stretches into the inner barrel body and is fixedly connected with a rotating shaft, a supporting rod is fixedly connected to the rotating shaft, one end, away from the rotating shaft, of the supporting rod is fixedly connected with a scraping plate, and the scraping plate is attached to the inner wall of the inner barrel body.

Preferably, one side of the evaporator body is fixedly connected with a circulating pump, the circulating pump is fixedly connected with a circulating pipe, and the other end of the circulating pipe extends into the inner barrel body and is connected to the top of the feeding pipe.

Preferably, a slag discharging pipe is fixedly connected to one side of the evaporator body, and the slag discharging pipe is communicated with a slag pumping pump.

The beneficial effects are that: according to the utility model, the feed liquid enters the evaporator body from the lower part, and the feeding pipe is spirally wound on the inner barrel body, so that heat exchange can be performed to a greater extent in the spiral rising process of the feed liquid, the preheating effect of the feed liquid is improved, the efficiency of the feed liquid in film scraping evaporation is higher, the effect is better, and the energy consumption can be reduced.

Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a perspective view of a wiped film evaporator according to the present utility model;

FIG. 2 is a front view showing the internal structure of a wiped film evaporator according to the present utility model;

FIG. 3 is a schematic view showing the positional relationship between a feeding pipe and an evaporator body of a wiped film evaporator according to the present utility model;

fig. 4 is a schematic view of a material dividing pipe structure of a wiped film evaporator according to the present utility model.

The reference numerals are explained as follows: 1. an evaporator body; 101. an outer tub; 102. an inner tub; 103. a cavity; 104. a discharge pipe; 105. a vacuum air outlet pipe; 2. a heater; 3. a feed mechanism; 301. a feed pipe; 302. feeding pipes; 303. a material dividing pipe; 304. a spray head; 4. a film scraping mechanism; 401. a motor; 402. a rotating shaft; 403. a support rod; 404. a scraper; 5. a circulation pump; 501. a circulation pipe; 6. a slag discharge pipe; 7. a liquid distributor; 8. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The utility model is further described below with reference to the accompanying drawings:

examples

As shown in fig. 1-4, a film scraping evaporator comprises an evaporator body 1, a film scraping mechanism 4 is arranged in the evaporator body 1, a discharging pipe 104 is welded at the bottom of the evaporator body 1, a vacuum air outlet pipe 105 is welded at the top of the evaporator body 1, the evaporator body 1 comprises an outer barrel body 101 and an inner barrel body 102, the inner barrel body 102 is welded inside the outer barrel body 101, a cavity 103 is reserved between the outer barrel body 101 and the inner barrel body 102, a feeding mechanism 3 is arranged on the inner barrel body 102, a heater 2 is arranged inside the barrel wall of the inner barrel body 102, a liquid distributor 7 is arranged inside the inner barrel body 102, and a sealing ring 8 is arranged at the bottom end inside the inner barrel body 102.

In this embodiment, the feeding mechanism 3 includes a feeding pipe 301, the feeding pipe 301 is fixedly connected to the outer barrel 101, the feeding pipe 301 is fixedly connected to a feeding pipe 302, the feeding pipe 302 is located in the cavity 103, the top end of the feeding pipe 302 extends into the inner barrel 102 and is fixedly connected to a distributing pipe 303, a plurality of spray nozzles 304 are fixedly connected to the bottom of the distributing pipe 303, feed liquid enters the feeding pipe 302 through the feeding pipe 301, the feed liquid is preheated by the heater 2 in the rising process of the feeding pipe 302, and then the feed liquid enters the distributing pipe 303 and is sprayed out by the spray nozzles 304.

In this embodiment, the feeding pipe 302 is spirally wound on the outer wall of the inner barrel 102, so as to improve the heat exchange efficiency of the feed liquid, ensure the preheating effect, and the distributing pipe 303 is annular, so as to ensure that the feed liquid is uniformly sprayed out of the evaporator body 1, and the distributing pipe 303 is located above the liquid distributor 7.

In this embodiment, the film scraping mechanism 4 includes a motor 401, the motor 401 is connected to the top of the outer barrel 101 through a screw, an output shaft of the motor 401 extends into the inner barrel 102 and is connected with a rotating shaft 402 through a coupling, a supporting rod 403 is fixedly connected to the rotating shaft 402, one end of the supporting rod 403 away from the rotating shaft 402 is fixedly connected with a scraping plate 404, the scraping plate 404 is attached to the inner wall of the inner barrel 102, the motor 401 drives the rotating shaft 402 to rotate, so that the scraping plate 404 rotates to scrape feed liquid into a film shape, and the heater 2 heats the feed liquid to perform evaporation operation.

In this embodiment, a circulation pump 5 is fixedly connected to one side of the evaporator body 1, a circulation pipe 501 is fixedly connected to the circulation pump 5, the other end of the circulation pipe 501 extends into the inner barrel 102 and is connected to the top of the feeding pipe 302, and the circulation pump 5 pumps the feed liquid which is not evaporated and dried into the circulation pipe 501 and returns to the distributing pipe 303 for evaporation again.

In this embodiment, the sediment pipe 6 is fixedly connected with in the 1 side of evaporimeter body, and sediment pipe 6 intercommunication has the sediment pump of taking out, discharges the sediment from sediment pipe 6 through taking out sediment pump, carries out the sediment immediately, prevents that the waste residue from blockking up and influencing the normal use of device.

Working principle: when the evaporator is used, the heater 2 is electrified to heat, feed liquid to be evaporated is led into the feeding pipe 302 through the feeding pipe 301, heat generated by the heater 2 preheats the feed liquid in the feeding pipe 302, the feeding pipe 302 is arranged in a spiral shape, heat exchange efficiency is improved, preheating effect is improved, the feed liquid is sprayed out through the spray nozzle 304 after entering the distributing pipe 303, the feed liquid falls on the liquid distributor 7 and flows downwards along the inner wall of the inner barrel 102, the rotating shaft 402 is driven to rotate by the motor 401, the feed liquid is scraped into a film shape by the scraper 404, the finished product is rapidly evaporated and dried, the finished product is discharged from the discharging pipe 104, the feed liquid which is not evaporated and dried is pumped into the circulating pipe 501 by the circulating pump 5 and is fed into the distributing pipe 303 again to evaporate again, and waste residues are discharged from the slag discharging pipe 6.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a scratch film evaporator, includes evaporator body (1), be provided with scratch film mechanism (4), its characterized in that in evaporator body (1): the utility model discloses a vacuum evaporator, including evaporator body (1), discharging pipe (104) of fixedly connected with in bottom, evaporator body (1) top fixedly connected with vacuum outlet duct (105), evaporator body (1) are including outer staving (101) and interior staving (102), interior staving (102) fixedly connected with be in inside outer staving (101), and outer staving (101) with leave cavity (103) between interior staving (102), be provided with feed mechanism (3) on interior staving (102), the staving inside of interior staving (102) is provided with heater (2), interior staving (102) inside is provided with liquid distributor (7), interior staving (102) inside bottom is provided with sealing washer (8).

2. A wiped film evaporator as set forth in claim 1 wherein: the feeding mechanism (3) comprises a feeding pipe (301), the feeding pipe (301) is fixedly connected to the outer barrel body (101), the feeding pipe (301) is fixedly connected with a feeding pipe (302), the feeding pipe (302) is located in the cavity (103), the top end of the feeding pipe (302) stretches into the inner barrel body (102) and is fixedly connected with a distributing pipe (303), and a plurality of spray heads (304) are fixedly connected to the bottom of the distributing pipe (303).

3. A wiped film evaporator as set forth in claim 2 wherein: the feeding pipe (302) is spirally wound on the outer wall of the inner barrel body (102), the distributing pipe (303) is annular, and the distributing pipe (303) is located above the liquid distributor (7).

4. A wiped film evaporator as set forth in claim 1 wherein: the film scraping mechanism (4) comprises a motor (401), the motor (401) is fixedly connected to the top of the outer barrel body (101), an output shaft of the motor (401) stretches into the inner barrel body (102) and is fixedly connected with a rotating shaft (402), a supporting rod (403) is fixedly connected to the rotating shaft (402), one end of the supporting rod (403) away from the rotating shaft (402) is fixedly connected with a scraping plate (404), and the scraping plate (404) is attached to the inner wall of the inner barrel body (102).

5. A wiped film evaporator as set forth in claim 2 wherein: one side of the evaporator body (1) is fixedly connected with a circulating pump (5), the circulating pump (5) is fixedly connected with a circulating pipe (501), and the other end of the circulating pipe (501) extends into the inner barrel body (102) and is connected to the top of the feeding pipe (302).

6. A wiped film evaporator as set forth in claim 1 wherein: one side of the evaporator body (1) is fixedly connected with a slag discharging pipe (6), and the slag discharging pipe (6) is communicated with a slag pumping pump.