CN219701124U - Molecular distillation film scraping device - Google Patents

Abstract

The utility model provides a molecular distillation film scraping device, which comprises a rotating shaft which is in rotary fit with the molecular distillation device, wherein a lantern ring is arranged on the rotating shaft, a fixing plate is fixed on the periphery of the lantern ring, a groove is arranged in the fixing plate, a scraping plate is arranged in the groove, a plurality of springs and telescopic rods are arranged between the scraping plate and the groove wall of the groove, each telescopic rod comprises a first rod body and a second rod body, the first rod body is in sliding fit with the second rod body, and a plurality of teeth are arranged in the first rod body and correspond to the second rod body. In the utility model, a plurality of springs and telescopic rods are arranged between the scraping plate and the groove wall of the groove, the scraping plate can be pushed by the springs, so that the scraping plate can be always contacted with the molecular distiller, the thickening of an oil film can be avoided, teeth are arranged in the first rod body of the telescopic rod, the telescopic rod can only be stretched and can not be contracted, the scraping plate is prevented from moving towards the direction close to the rotating shaft when in scraping, the thickening of the oil film is avoided, the uneven thickness of the oil film is prevented, and the separation effect is improved.

Description

Molecular distillation film scraping device

Technical Field

The utility model relates to the technical field of molecular distillation, in particular to a molecular distillation film scraping device.

Background

Molecular distillation is a separation mode for separating different components according to the difference of the average free path of different molecules in a material mixture under high vacuum, and a molecular distillation device can be divided into falling film type molecular distillation, wiped film type molecular distillation and centrifugal type molecular distillation according to the design of an evaporation liquid film. The scraping film type molecular distiller is widely applied to oil and fat separation industry, a rotatable scraping film device which is powered by a motor is arranged in the scraping film type molecular distiller, the scraping film plate is driven to rotate through a rotating shaft, a continuous liquid film is formed on the wall surface of the evaporator under the scraping action of head waves on the scraping film plate, the thinner the oil film is, the more evaporation is facilitated, and the better the separation effect is.

The utility model provides a patent like publication number CN217939185U discloses a scalable rotation formula molecular distillation film scraping device, including film scraping molecular distillation device, the pivot, four groups of film scraping plates and four groups of head ripples, the pivot rotates and installs in film scraping molecular distillation device, four groups of film scraping plates annular equidistant fixed mounting is in the pivot, all be equipped with two sets of locating holes on four groups of film scraping plates, all be equipped with torsion mechanism on four groups of head ripples, four groups of head ripples are rotatable respectively installs on four groups of film scraping plates through the cooperation of torsion mechanism and locating hole, and the outside of four groups of head ripples all contacts with the inner wall of film scraping molecular distillation device, the device can ensure the long-term contact of head ripples and inner wall, avoid the oil film to become thick, improve the separation effect.

The device can enable the head wave to be in long-term contact with the inner wall, in the using process, once the head wave is worn, the head wave can rotate, but when the rotating shaft rotates, the head wave can be driven to rotate together, so that the thickness of an oil film generated is uneven, and separation is influenced.

To this end, the utility model provides a molecular distillation membrane scraper.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a molecular distillation film scraper which solves the problems in the background art and can avoid thickening of an oil film; and the uneven thickness of the oil film can be prevented, thereby improving the separation effect.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a molecular distillation film scraping device, includes the pivot of normal running fit in molecular distillation device, the pivot facial make-up is equipped with the lantern ring, and the week side of lantern ring is fixed with the fixed plate, has seted up flutedly in the fixed plate, is equipped with the scraper blade in the recess, installs a plurality of springs and telescopic link between the cell wall of scraper blade and recess, and the telescopic link includes first body of rod and second body of rod, and first body of rod and second body of rod sliding fit, and is equipped with a plurality of teeth in the first body of rod, and tooth is corresponding with the second body of rod.

Further, the first rod body is of a hollow cylindrical structure, the teeth are positioned on the peripheral side of the inner portion of the first rod body, a sliding plate is slidably matched with the first rod body, and the sliding plate is fixedly connected with the second rod body.

Further, the sliding plate is of a disc-shaped structure, the sliding plate is fixedly connected with one end of the second rod body, and the other end of the second rod body is fixedly connected with the scraping plate.

Further, one end of the first rod body is fixedly connected with the wall of the groove.

Further, one end of the rotating shaft is fixed with a lower baffle, the other end of the rotating shaft is in threaded fit with an upper baffle, the lantern ring is sleeved in the middle of the rotating shaft, and the lantern ring is located between the upper baffle and the lower baffle.

Further, the surface of the scraping plate, which is close to the molecular distiller, is an arc surface, and the arc degree is the same as that of the molecular distiller.

The utility model has the beneficial effects that: the utility model relates to a molecular distillation film scraper, which comprises a scraping plate; a groove; a spring; a telescopic rod; a first rod body; teeth; a rotating shaft.

Install a plurality of springs and telescopic link between the cell wall of scraper blade and recess, can promote the scraper blade through the spring for the scraper blade can always contact with molecular still, thereby can avoid the oil film to thicken, install tooth in the first body of rod of telescopic link, make the telescopic link only can extend can not shrink, thereby prevent that the scraper blade from scraping to being close to the direction of pivot and remove, avoid the oil film to thicken, prevent that oil film thickness is inhomogeneous, thereby improve the separation effect.

Drawings

FIG. 1 is a schematic diagram showing the assembled three-dimensional structure of a molecular distillation film scraper and a molecular distiller;

FIG. 2 is a schematic diagram of the assembled three-dimensional structure of the molecular distillation film scraper;

FIG. 3 is a schematic diagram showing an assembled perspective structure of a fixing plate and a scraper in a molecular distillation film scraper according to the present utility model;

FIG. 4 is a schematic diagram showing an assembled perspective view of a telescopic rod in a molecular distillation film scraper according to the present utility model;

FIG. 5 is a schematic view showing an assembled sectional structure of a telescopic rod in a molecular distillation film scraper according to the present utility model;

in the figure: 1. a molecular distiller; 2. a rotating shaft; 3. a collar; 4. an upper baffle; 5. a lower baffle; 7. a fixing plate; 8. a scraper; 9. a groove; 10. a spring; 11. a telescopic rod; 12. a first rod body; 13. a second rod body; 14. teeth; 15. and (3) a sliding plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a molecular distillation film scraper, includes the pivot 2 of normal running fit in molecular distiller 1, install the lantern ring 3 on the pivot 2, the week side of lantern ring 3 is fixed with fixed plate 7, has seted up recess 9 in the fixed plate 7, is equipped with scraper blade 8 in the recess 9, installs a plurality of springs 10 and telescopic link 11 between the cell wall of scraper blade 8 and recess 9, and telescopic link 11 includes first body of rod 12 and second body of rod 13, and first body of rod 12 and second body of rod 13 sliding fit, and is equipped with a plurality of teeth 14 in the first body of rod 12, and tooth 14 is corresponding with second body of rod 13.

In this embodiment, the first rod 12 is of a hollow cylindrical structure, the teeth 14 are located at the inner periphery of the first rod 12, the sliding plate 15 is slidably matched with the first rod 12, the sliding plate 15 is fixedly connected with the second rod 13, the sliding plate 15 is of a disc-shaped structure, the sliding plate 15 is fixedly connected with one end of the second rod 13, the other end of the second rod 13 is fixedly connected with the scraping plate 8, one end of the first rod 12 is fixedly connected with the groove wall of the groove 9, when the scraping plate 8 is worn, the spring 10 pushes the scraping plate 8 to move, the telescopic rod 11 is stretched, the second rod 13 drives the sliding plate 15 to slide in the first rod 12, when the scraping plate 8 rotates on the inner wall of the molecular distiller 1, the scraping plate 8 is pushed by external force, so that the second rod 13 is driven to move towards the direction close to the first rod 12, and the teeth 14 limit the sliding plate 15, so that the second rod 13 is limited, and the thickness of an oil film can be ensured to be uniform.

The one end of pivot 2 is fixed with down baffle 5, the other end screw-thread fit of pivot 2 has overhead gage 4, the middle part at pivot 2 is established to lantern ring 3 cover, and lantern ring 3 is located between overhead gage 4 and lower baffle 5, when scraper blade 8 wearing and tearing are serious, when need change scraper blade 8, rotate overhead gage 4 this moment, can dismantle overhead gage 4, then pull out whole lantern ring 3, lantern ring 3 drives fixed plate 7 and scraper blade 8 and is pulled out together, establish the lantern ring 3 cover that will have new scraper blade 8 on pivot 2, then rotatory overhead gage 4, can carry out the screw fixation to overhead gage 4, thereby fix lantern ring 3 centre gripping between overhead gage 4 and lower baffle 5.

The surface of the scraping plate 8, which is close to the molecular distiller 1, is an arc surface, the arc surface is the same as the arc surface of the molecular distiller 1, and the arc surface can scrape an oil film better.

When the scraper 8 works, the spring 10 pushes the scraper 8 at this moment, so that the scraper 8 always contacts with the inner wall of the molecular distiller 1, and when the scraper 8 receives external pushing force, the teeth 14 limit the second rod body 13 at this moment, so that the telescopic rod 11 cannot be compressed, and therefore the scraper 8 can be limited, and the thickness uniformity of an oil film is guaranteed.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a molecular distillation film scraper, includes pivot (2) of normal running fit in molecular distiller (1), its characterized in that, pivot (2) facial make-up is equipped with lantern ring (3), and the week side of lantern ring (3) is fixed with fixed plate (7), has seted up recess (9) in fixed plate (7), is equipped with scraper blade (8) in recess (9), has installed a plurality of springs (10) and telescopic link (11) between the cell wall of scraper blade (8) and recess (9), and telescopic link (11) include first body of rod (12) and second body of rod (13), first body of rod (12) and second body of rod (13) sliding fit, and are equipped with a plurality of tooth (14) in first body of rod (12), tooth (14) are corresponding with second body of rod (13).

2. A molecular distillation membrane scraper as claimed in claim 1, wherein: the first rod body (12) is of a hollow cylindrical structure, the teeth (14) are located on the periphery side inside the first rod body (12), a sliding plate (15) is slidably matched with the first rod body (12), and the sliding plate (15) is fixedly connected with the second rod body (13).

3. A molecular distillation membrane scraper as claimed in claim 2, wherein: the sliding plate (15) is of a disc-shaped structure, the sliding plate (15) is fixedly connected with one end of the second rod body (13), and the other end of the second rod body (13) is fixedly connected with the scraping plate (8).

4. A molecular distillation membrane scraper as claimed in claim 1, wherein: one end of the first rod body (12) is fixedly connected with the groove wall of the groove (9).

5. A molecular distillation membrane scraper as claimed in claim 1, wherein: one end of the rotating shaft (2) is fixedly provided with a lower baffle (5), the other end of the rotating shaft (2) is in threaded fit with an upper baffle (4), the sleeve ring (3) is sleeved in the middle of the rotating shaft (2), and the sleeve ring (3) is located between the upper baffle (4) and the lower baffle (5).

6. A molecular distillation membrane scraper as claimed in claim 1, wherein: the surface of the scraping plate (8) close to the molecular distiller (1) is a cambered surface, and the radian is the same as that of the molecular distiller (1).