Film evaporator with scraper structure

Abstract

The utility model relates to the technical field of film evaporators, in particular to a film evaporator with a scraper structure, which comprises an evaporator body, the lower end of the evaporator body is fixedly connected with a discharge port, the upper end of the evaporator body is fixedly connected with a storage cavity, and the right side of the upper surface of the storage cavity is fixedly connected with a feed pipe. A protective cover is fixedly mounted in the center of the upper end of the storage cavity, and a driving motor is fixedly mounted in the protective cover; a cleaning mechanism is arranged at the lower end of the driving motor, and an anti-blocking mechanism is arranged at the upper end of the cleaning mechanism. The rotating shaft is driven by the cleaning mechanism and the driving motor, so that the first scraping plate rotates to scrape raw materials attached to the inner wall of the evaporator body, and after the first scraping plate and a limiting block are used for a long time and are abraded to a certain extent, the first scraping plate and the limiting block stretch through resilience of a first spring; and therefore, the first scraping plate and the second scraping plate are attached to the inner wall and the bottom of the evaporator body, and the cleanliness of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of thin-film evaporator technology, specifically a thin-film evaporator with a scraper structure. Background Technology

[0002] A scraped evaporator is a type of evaporator that uses a scraper rotating inside the evaporator cylinder. During the rotation, the material is forced to form a thin film on the inner wall of the evaporator cylinder, and then evaporated and concentrated as the film descends.

[0003] According to the search, the announcement number CN112473160A discloses a scraped film evaporator with a continuous and uniform feeding structure, including an evaporator body and a mounting plate. The mounting plate and the scraper form a locking structure, so the scraper can be replaced as needed, and the scraper can also be replaced with a cleaning brush, which facilitates cleaning of the inner wall of the device.

[0004] However, this device has a defect: the scraper will wear down after long-term use, and the scraper and the inner wall will not be able to fit together effectively, resulting in an unsatisfactory scraping effect. To address this issue, we propose a thin-film evaporator with a scraper structure. Utility Model Content

[0005] The purpose of this invention is to provide a thin-film evaporator with a scraper structure to solve the problem mentioned in the background art that the scraper will wear down after long-term use, and the scraper and the inner wall cannot effectively adhere, resulting in an unsatisfactory scraping effect.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a thin-film evaporator with a scraper structure, comprising an evaporator body, a discharge port fixedly connected to the lower end of the evaporator body, a storage chamber fixedly connected to the upper end of the evaporator body, a feed pipe fixedly connected to the right side of the upper surface of the storage chamber, a protective cover fixedly installed at the center of the upper end of the storage chamber, and a drive motor fixedly installed inside the protective cover;

[0007] The lower end of the drive motor is provided with a cleaning mechanism, and the upper end of the cleaning mechanism is provided with an anti-clogging mechanism.

[0008] Preferably, a partition is fixedly installed inside the storage cavity, a dispensing tray is fixedly connected to the lower end of the partition, and a rotating shaft is fixedly connected to the lower end of the drive motor, the rotating shaft passing through the partition and the dispensing tray in sequence.

[0009] Preferably, the cleaning mechanism includes a fixed rod, a sliding sleeve, a first spring, a connecting rod, a fixed frame, and a first scraper. Nine sets of fixed rods are fixedly connected at equal intervals on the surface of the rotating shaft, with three sets of fixed rods forming a group. A sliding sleeve is movably connected to the surface of each fixed rod. A first spring is provided on the surface of each fixed rod, with both ends of the first spring abutting against the fixed rod and the sliding sleeve. Connecting rods are hinged to the upper and lower sides of the sliding sleeve, and connecting blocks are movably connected to the outer sides of each connecting rod. A fixed frame is fixedly connected to the outer sides of five sets of connecting blocks, and a first scraper is fixedly connected inside the fixed frame.

[0010] Preferably, the anti-clogging mechanism includes a first connecting plate, a fixed column, a movable column, and a second connecting plate. Two sets of first connecting plates are fixedly connected to the surface of the rotating shaft. A fixed column is fixedly connected to the lower end of the first connecting plate. A movable column is provided at the lower end of the fixed column. A second connecting plate is fixedly connected to the lower end of the movable column.

[0011] Preferably, a limiting block is fixedly connected to the outer side of the fixing rod, and a connecting block is movably connected to the lower end of the sixth connecting rod. A second scraper is fixedly connected to the lower end of the connecting block, and the inclination angle of the second scraper is consistent with the bottom of the evaporator body.

[0012] Preferably, the surface of the partition plate is provided with holes, two sets of the first connecting plates are symmetrically installed on the surface of the rotating shaft, a movable column is movably connected inside the fixed column, a second spring is provided inside the fixed column, one end of the second spring abuts against the inner wall of the fixed column, the other end of the second spring abuts against the movable column, and a scraper is fixedly connected to the front end of the second connecting plate, the scraper being a right-angled triangle.

[0013] Preferably, the lower end of the evaporator body is fixedly connected to three sets of support bases, the left side of the storage cavity is fixedly connected to a steam inlet pipe, which is connected to the inside of the storage cavity, and the right side of the storage cavity is fixedly connected to a steam outlet pipe, which is connected to the inside of the storage cavity.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model uses a cleaning mechanism to drive a motor to rotate, which in turn drives a first scraper to rotate. The first scraper then scrapes off the raw material adhering to the inner wall of the evaporator body. The sliding sleeve and the first spring work together on the surface of the fixed rod. When the first scraper and the limiting block wear down after prolonged use, the first spring rebounds and extends, causing the sliding sleeve to move outward along the fixed rod. This allows the first and second scrapers to come into contact with the inner wall and bottom of the evaporator body, thereby cleaning the evaporator body and improving the cleanliness of the device.

[0016] 2. This utility model uses an anti-clogging mechanism, a partition, and a distribution plate. The partition guides the raw materials, allowing them to be evenly distributed through the distribution plate. The second connecting plate and scraper connected to the bottom of the first connecting plate move on the partition to prevent material accumulation. Furthermore, through the cooperation of the fixed column, the movable column, and the second spring, the second connecting plate and scraper are brought into contact with the surface of the partition by the rebound action of the second spring, improving the scraping effect and increasing the processing efficiency of the device. Attached image description:

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0019] Figure 2 This utility model Figure 1 Cross-sectional view of the structure of the evaporator body;

[0020] Figure 3 This is a schematic diagram illustrating the structure of the cleaning mechanism of this utility model;

[0021] Figure 4 This utility model Figure 3 A magnified view of part A in the diagram.

[0022] In the diagram: 1. Evaporator body; 2. Support base; 3. Discharge port; 4. Storage chamber; 5. Steam inlet pipe; 6. Steam outlet pipe; 7. Feed pipe; 8. Protective cover; 9. Drive motor; 10. Partition plate; 11. Distributor plate; 12. Rotating shaft; 13. Fixing rod; 14. Sliding sleeve; 15. First spring; 16. Connecting rod; 17. Connecting block; 18. Fixing frame; 19. First scraper; 20. Limiting block; 21. Second scraper; 22. First connecting plate; 23. Fixing column; 24. Movable column; 25. Second spring; 26. Second connecting plate; 27. Scraper bar. Detailed implementation method:

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 An embodiment of this utility model is provided: a thin film evaporator with a scraper structure, including an evaporator body 1, a discharge port 3 fixedly connected to the lower end of the evaporator body 1, a storage cavity 4 fixedly connected to the upper end of the evaporator body 1, a feed pipe 7 fixedly connected to the right side of the upper surface of the storage cavity 4, a protective cover 8 fixedly installed at the center of the upper end of the storage cavity 4, and a drive motor 9 fixedly installed inside the protective cover 8.

[0025] A cleaning mechanism is provided at the lower end of the drive motor 9, and an anti-blocking mechanism is provided at the upper end of the cleaning mechanism.

[0026] This device, by incorporating a cleaning mechanism, solves the problem that after long-term use, the scraper will wear down, causing it to lose effective contact with the inner wall and resulting in unsatisfactory scraping results.

[0027] Furthermore, a partition 10 is fixedly installed inside the storage cavity 4, and a distribution plate 11 is fixedly connected to the lower end of the partition 10. A rotating shaft 12 is fixedly connected to the lower end of the drive motor 9, and the rotating shaft 12 passes through the partition 10 and the distribution plate 11 in sequence. Figure 2 As shown, this structure is used to guide the raw materials through the partition 10 and the distribution plate 11, so that the raw materials are evenly dispersed through the distribution plate 11, thereby improving the processing efficiency of the device.

[0028] Furthermore, the cleaning mechanism includes fixed rods 13, sliding sleeves 14, first springs 15, connecting rods 16, fixed frames 18, and first scrapers 19. Nine sets of fixed rods 13 are equidistantly fixed to the surface of the rotating shaft 12, with three sets of fixed rods 13 forming a group. Sliding sleeves 14 are movably connected to the surface of each fixed rod 13. First springs 15 are provided on the surface of each fixed rod 13, with both ends of the first springs abutting against the fixed rods 13 and sliding sleeves 14. Connecting rods 16 are hinged to the upper and lower sides of the sliding sleeves 14, and connecting blocks 17 are movably connected to the outer sides of the connecting rods 16. Fixed frames 18 are fixedly connected to the outer sides of five sets of connecting blocks 17, and the first scrapers 19 are fixedly connected inside the fixed frames 18. Figure 3 As shown, this structure is used to drive the first scraper 19 to rotate by rotating the shaft 12 via the drive motor 9. The first scraper 19 rotates to scrape off the raw material adhering to the inner wall of the evaporator body 1. The sliding sleeve 14 and the first spring 15 cooperate on the surface of the fixed rod 13. When the first scraper 19 is worn after long-term use, the first spring 15 rebounds and extends, causing the sliding sleeve 14 to move outward along the fixed rod 13, thereby making the first scraper 19 fit against the inner wall of the evaporator body 1, thus cleaning the evaporator body 1.

[0029] Furthermore, the anti-clogging mechanism includes a first connecting plate 22, a fixed column 23, a movable column 24, and a second connecting plate 26. Two sets of first connecting plates 22 are fixedly connected to the surface of the rotating shaft 12. A fixed column 23 is fixedly connected to the lower end of the first connecting plate 22. A movable column 24 is provided at the lower end of the fixed column 23. The lower end of the movable column 24 is fixedly connected to the second connecting plate 26. Figure 4 As shown, this structure is used to allow the second connecting plate 26 and scraper 27, which are connected to the bottom end of the first connecting plate 22, to move on the partition 10, so as to avoid material accumulation.

[0030] Furthermore, a limiting block 20 is fixedly connected to the outer side of the fixing rod 13, which limits the range of motion of the sliding sleeve 14 and the first spring 15. A connecting block 17 is movably connected to the lower end of the sixth connecting rod 16, and a second scraper 21 is fixedly connected to the lower end of the connecting block 17. The inclination angle of the second scraper 21 is consistent with the bottom of the evaporator body 1. Figure 3 As shown, this structure is used to extend the sliding sleeve 14 outward along the fixed rod 13 by the rebound of the first spring 15, thereby causing the second scraper 21 to fit against the bottom of the evaporator body 1, thus cleaning the evaporator body 1 and improving the cleanliness of the device.

[0031] Furthermore, the surface of the partition 10 is provided with holes, and two sets of first connecting plates 22 are symmetrically installed on the surface of the rotating shaft 12. A movable column 24 is movably connected inside the fixed column 23, and a second spring 25 is provided inside the fixed column 23. One end of the second spring 25 abuts against the inner wall of the fixed column 23, and the other end of the second spring 25 abuts against the movable column 24. A scraper 27 is fixedly connected to the front end of the second connecting plate 26. The scraper 27 is a right-angled triangle. Figure 4 As shown, this structure is used to bring the second connecting plate 26 and scraper 27 into contact with the surface of the partition plate 10 through the rebound action of the second spring 25, thereby improving the scraping effect and increasing the processing efficiency of the device.

[0032] Furthermore, three sets of support bases 2 are fixedly connected to the lower end of the evaporator body 1, a steam inlet pipe 5 is fixedly connected to the left side of the storage cavity 4, the steam inlet pipe 5 is connected to the inside of the storage cavity 4, and a steam outlet pipe 6 is fixedly connected to the right side of the storage cavity 4, the steam outlet pipe 6 is connected to the inside of the storage cavity 4. Figure 2 As shown, this structure is used to allow the vaporous substances generated during the evaporation process to move upward within the evaporator body 1 and be discharged from the steam outlet pipe 6.

[0033] Working principle: When using, such as Figure 1 As shown, the material enters the storage chamber 4 through the feed pipe 7, and the drive motor 9 is started, as... Figure 2As shown, the output shaft of the drive motor 9 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the first connecting plate 22 to rotate, the first connecting plate 22 drives multiple fixed columns 23, the second connecting plate 26, and the scraper 27 to rotate. Through the rebound action of the second spring 25, the second connecting plate 26 and the scraper 27 are brought into contact with the surface of the partition 10, improving the scraping effect and preventing the accumulation of material on the partition 10. The material is filtered and conveyed downward from the partition 10 into the distribution plate 11, where it is evenly distributed. Figure 3 As shown, the rotation of the rotating shaft 12 simultaneously drives the first scraper 19 on the fixed rod 13 to rotate, thereby scraping off the raw material adhering to the inner wall of the evaporator body 1. The sliding sleeve 14 and the first spring 15 cooperate on the surface of the fixed rod 13. When the first scraper 19 and the limiting block 20 experience wear after prolonged use, the spring 15 extends, causing the sliding sleeve 14 to move outward along the fixed rod 13. This allows the first scraper 19 and the second scraper 21 to adhere to the inner wall and bottom of the evaporator body 1, thus cleaning the evaporator body 1 and improving the cleanliness of the device. Figure 2 As shown, the dried material is discharged from the discharge port 3 at the bottom of the evaporator body 1. The vapor phase substance generated during the evaporation process moves upward in the evaporator body 1 and is discharged from the steam outlet pipe 6. The above is the complete working principle of this utility model.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. Thin-film evaporator with wiper structure, comprising an evaporator body (1), characterized in that: The lower end of the evaporator body (1) is fixedly connected with a discharge port (3), the upper end of the evaporator body (1) is fixedly connected with a storage cavity (4), the upper surface right side of the storage cavity (4) is fixedly connected with a feeding pipe (7), the upper end center position of the storage cavity (4) is fixedly installed with a protective cover (8), and the protective cover (8) is fixedly installed with a driving motor (9) inside. The lower end of the driving motor (9) is provided with a cleaning mechanism, and the upper end of the cleaning mechanism is provided with an anti-blocking mechanism.

2. The thin film evaporator with a scraper structure according to claim 1, characterized in that: The storage cavity (4) is fixedly installed with a partition plate (10), the lower end of the partition plate (10) is fixedly connected with a distribution disc (11), the lower end of the driving motor (9) is fixedly connected with a rotating shaft (12), and the rotating shaft (12) sequentially penetrates through the partition plate (10) and the distribution disc (11).

3. The thin film evaporator with a wiper structure according to claim 2, characterized in that: The cleaning mechanism comprises fixed rods (13), sliding sleeves (14), first springs (15), connecting rods (16), fixed frames (18) and first scrapers (19), the surface of the rotating shaft (12) is equidistantly fixedly connected with nine groups of fixed rods (13), three groups of the fixed rods (13) form a group, the surface of the fixed rod (13) is movably connected with a sliding sleeve (14), the surface of the fixed rod (13) is provided with a first spring (15), the two ends of the first spring (15) abut against the fixed rod (13) and the sliding sleeve (14), the upper and lower sides of the sliding sleeve (14) are respectively hingedly connected with a connecting rod (16), the outer side of the connecting rod (16) is movably connected with a connecting block (17), the outer sides of five groups of the connecting blocks (17) are fixedly connected with fixed frames (18), and the fixed frames (18) are fixedly connected with first scrapers (19) inside.

4. The thin film evaporator with a wiper structure according to claim 2, characterized in that: The anti-blocking mechanism comprises first connecting plates (22), fixed columns (23), movable columns (24) and second connecting plates (26), the surface of the rotating shaft (12) is fixedly connected with two groups of first connecting plates (22), the lower end of the first connecting plate (22) is fixedly connected with a fixed column (23), the lower end of the fixed column (23) is provided with a movable column (24), and the lower end of the movable column (24) is fixedly connected with a second connecting plate (26).

5. The thin film evaporator with a wiper structure according to claim 3, characterized in that: The outer side of the fixed rod (13) is fixedly connected with a limiting block (20), the lower end of the sixth group of connecting rods (16) is movably connected with a connecting block (17), the lower end of the connecting block (17) is fixedly connected with a second scraper (21), and the inclination angle of the second scraper (21) is consistent with the bottom of the evaporator body (1).

6. The thin film evaporator with a wiper structure according to claim 4, characterized in that: The surface of the partition plate (10) is provided with a hole, two groups of the first connecting plates (22) are symmetrically installed on the surface of the rotating shaft (12), the movable column (24) is movably connected in the fixed column (23), the fixed column (23) is provided with a second spring (25), one end of the second spring (25) abuts against the inner wall of the fixed column (23), the other end of the second spring (25) abuts against the movable column (24), the front end of the second connecting plate (26) is fixedly connected with a scraping strip (27), and the scraping strip (27) is a right triangle.

7. The thin film evaporator with a wiper structure according to claim 1, characterized in that: The lower end of the evaporator body (1) is fixedly connected with three groups of support bases (2), the left side of the storage cavity (4) is fixedly connected with a steam inlet pipe (5), the steam inlet pipe (5) is communicated with the storage cavity (4), the right side of the storage cavity (4) is fixedly connected with a steam outlet pipe (6), and the steam outlet pipe (6) is communicated with the storage cavity (4).

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