JPH0611041Y2 - Rotating disk type dryer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Use The present invention relates to a rotary disk type drying device.

(B) Conventional technology Conventionally, as one form of a drying device, the surface of a rotatable disk is arranged vertically, and the hollow inside of the disk is arranged facing each other while being heated by steam or the like. Attach the raw material to be dried to the surface of the disk with a spray pipe,
There is a method in which the same raw material is dried by heat exchange on the surface of the same disc, and then the dried material is scraped off by a wide plate-shaped scraper facing the surface to recover the raw material to be dried as a flaky dried material.

(C) Problems to be solved by the invention However, in such a structure, when the dried material on the disk surface was scraped off by the scraper, the dried material did not become flakes. That is, the material to be dried attached to the disk is
In addition to being liquid or mud, the surface of the disk is vertical, so it may run off or bubbles may enter the inside, and it may not adhere evenly to the surface of the disk, but it may partially adhere in a thick or thin state. was there.

And, in such a state of adhering the material to be dried, the thick portion has a long drying time, and is scraped off from the disk surface by a scraper before being sufficiently dried and recovered as undried, or the thin layer portion is dried. Time is relatively short,
There was a drawback that the dried product was burned onto the surface of the disc before being scraped off by a scraper.

(D) Means for Solving the Problems In the present invention, a spray pipe for spraying a liquid or mud-like raw material to be dried is provided on the disk surface at the lower position of the disk which is rotated and heated. At the front side of the disc, a scraper is attached to the surface of the disc, and at the upper front side of the disc, a conical press roller is rotatably attached to the fixing bracket via a vertical connecting plate. , Press it against the disk surface,
A rotary disk type drying device is provided at a rear position of the disk, which is provided with a scraping body which is pressed against the outer peripheral surface of the disk so as to be adjustable in position.

(E) Function In the present invention, when the liquid or mud-like raw material to be dried is sprayed from the spray pipe onto the surface of the hollow or solid disc, the raw material to be dried is applied to the entire surface of the disc, and The disk is heated by steam or electric heat to dry the material to be dried applied to the disk surface. At the rear position of the disc, the raw material to be dried attached to the outer peripheral surface of the disc is scraped downward by the scraping body.

Also, at the upper position of the disc, a conical holding roller is rotatably supported by a vertical connecting plate to press it against the disc surface, so that the layer of the raw material to be dried adhered to the disc surface is made uniform. To

Therefore, the pressing roller crushes air bubbles and the like in the raw material to be dried, eliminates the heat insulating function, performs good heat conduction of the raw material, and evens out the raw material to be dried on the disc surface of the disc. , Uniform heat exchange is performed to uniformly dry the entire raw material to be dried. Then, the material to be dried, which is made uniform by the pressing roller, is surely peeled from the disk by the scraper. At that time, the dried product dried by uniform heat exchange is made into flakes and is evenly peeled off from the disk surface by a scraper. In this way, the material to be dried is dried and collected in the form of flakes.

(F) Effect Therefore, according to the present invention, since the conical pressing roller is rotatably supported on the disk surface of the disk through the connecting plate in the longitudinal direction, The pressing force can always be adjusted to an optimum state and the raw material adhered to the surface of the disk can be uniformly pressed to recover a dried product of high quality.

Further, in the past, there has been one in which the pressing roller is pressed by the spring body, but the one according to the present invention has a small number of parts, and has a simple structure and can be manufactured at low cost.

Further, since the outer peripheral surface of the disk is reliably scraped off at the rear position by the scraping body, it is possible to eliminate waste of the raw material to be dried.

Further, there is an effect that the dried product can be surely collected in the form of flakes while having a simple structure as a whole.

(G) Embodiments An embodiment of the present invention will be described in detail with reference to the drawings. In FIGS. 1 and 2, (1) is a machine frame having a column (2) at the bottom, and a rotating disk is provided at the center of the top. Equipped with a type evaporator (A). (3) and (3) are the left and right bearings of the evaporator (A), which are connected to the rotary joints (4) and (4), respectively. And the evaporator
The periphery of (A) is covered with a rectangular box-shaped case body (5), and the upper part is covered with a substantially pyramidal upper case (6).

(7) is a duct hose connected to the top of the upper case (6). Further, a collecting section (8) for collecting the liquid or mud-like raw material to be dried is provided in the center of the lower end of the case body (5), and the circulation tank (9) is located under the collecting section (8). I am letting you.

The rotary disc type evaporator (A) has a hollow drum (10) rotatably mounted on a machine frame (1) as shown in FIG. The hollow disc (11) is concentrically connected to the hollow drum (10) so that the interior of the hollow drum (10) and the interiors of a large number of hollow discs (11) communicate with each other. Also, on the left and right sides of the hollow drum (10), an inflow pipe (12) and an outflow pipe communicating with the inside of the drum (10).
(13) is projected, and steam is inserted from the inflow pipe (12) to pass through the hollow disc (11) from the hollow drum (10) to the drum surface (14) (14) of the hollow disc (11). ) 120-130
It is heated to about ° C and discharged from the outflow pipe (13). (15) is a motor, and (16) is an interlocking mechanism that doubles as a speed reducer and is interlockingly connected to the hollow drum (10).

Further, as shown in FIG. 2, at the lower position of the hollow disc (11), the disc surfaces (14), (14) of the hollow disc (11) are located.
The spray pipe (1
7) is disposed from the rear of the machine frame, from the spray pipe (17), a liquid or mud-like raw material to be dried, such as blood of animals, etc., is the disk surface (14) of the hollow disk (11). Blown on (14). Then, the hollow disc (11) is rotated to feed the material to be dried on the disc surfaces (14) and (14).
It is dried by the heat of the steam in (11). (18)
Is a material circulation pump that feeds material to the spray pipe (17), (19)
Is a supply pipe, and (20) is a suction pipe.

Further, in front of the hollow disc (11), as shown in FIG. 4, a scraper (21) is crimped to the disc surface (14) (14).
The (21) is provided in a slanting direction in a slanting downward direction, and the dried material is scraped off by the scrapers (21) and (21). Further, below the scrapers (21) (21), a discharge chute (22) for taking out the dried material is provided in the machine casing (1).

In addition, at the front upper position of the hollow disc (11), a holding roller mechanism (a) for uniformly pressing the material to be dried attached to the disc surfaces (14) and (14) of the hollow disc (11) is provided. Has been done. In FIG. 5 and FIG. 6, (23) is a presser roller, and the tip portion (24) is formed into a tapered conical shape to press the disk surfaces (14) and (14), and the base pivotal support. The shaft (25) is rotatably supported by a bearing case (27) via a ball bearing (26). (28) is a pulley provided at the rear end of the base, (29) is a bracket (30) fixed to the machine frame (1) and the bearing case (2
7) A connecting plate made of steel plates that adjustably connects with and is located in the vertical direction. (31) is a drive pulley, and (32) is a conductive belt. Then, press the presser roller (23) to the disc surface (14) (1
4) While pressing and rotating the disc, rotate the disc surface (14) (1
Level the work to be dried attached to 4). Moreover, the length of the pressing roller (23) is made substantially equal to the length of the radius of the hollow disc (11), and is arranged from the outer peripheral edge of the hollow disc (11) toward the center.

Further, as shown in FIG. 7, a scraping body (33) is provided at the rear position of the machine frame so as to scrape off the raw material to be dried by pressure bonding to the outer peripheral portion of the hollow disk (11). (34) is a mounting metal, and left and right scraping plates (35) and (36) are laid on top of each other and fixed by bolts (37 ') in an adjustable manner.

FIG. 8 shows another embodiment of the scraping body, in which the left and right scraping plates (35 ') (36') of the scraping body (33) are provided with diagonally elongated holes (37-1). It is constructed such that it can be fixed by adjusting the gap between the hollow disc (11) and the hollow disc (11). (34 ') is a mounting metal and (37') is a bolt.

The evaporator (A) using the steam of the hollow disk (11) shown in FIG. 3 will be described in detail below. Hollow drum (1
The hollow part of (0) is provided with a partition wall (37) inclined in the axial direction, and the partition wall (37) has a steam press-fitting space (S1) and a steam discharge space (S1) in the hollow drum (10). S2). And the steam press-fit space (S1) is a hollow drum (10).
Hollow part of hollow disk (11) through press-fit hole (38) on the peripheral surface of
It communicates with (S) and also the steam discharge space (S2)
Are communicated with the hollow portion (S) of the hollow disk (11) through the discharge hole (39) on the peripheral surface of the hollow drum (10). Note that (40)
Is a steam insertion hole provided at one end of the hollow drum (10), and (41) is a steam discharge hole provided at the other end of the hollow drum (10).

Further, in the hollow disc (11), as shown in FIG. 9, a partition wall (42) is provided outward from the center,
The partition wall (42) has a central portion that is curved in a concave shape with respect to the rotation direction of the hollow disk (11).

As shown in FIG. 10, the partition wall (42) removes the drain (D) generated by heat exchange of the steam circulating in the hollow disk (11) from the discharge hole (39) on the peripheral surface of the hollow drum (10). It has the function of pouring into the steam discharge space (S2).

That is, in the state of FIG. 10 (I), the partition wall (4
When (2) is in the upper position, the drain (D) is
1) It will be in a state of being stored on the lower bottom surface.

When the hollow disc (11) rotates in the direction of the arrow in such a state, the partition wall (42) moves diagonally downward to the right as shown in FIG. 10 (II), and then the rotation of the hollow disc (11) proceeds. As shown in FIG. 10 (III), the drain (D) is lifted upward by the curved partition wall (42). Further, as shown in FIG. 10 (IV), when the partition wall (42) moves laterally, the drain (D) accumulated in the partition wall (42) is removed from the hollow drum (1).
(0) around the discharge hole (39) into the steam discharge space (S2) in the hollow drum (10) and along the inclined surface of the partition wall (37), the steam provided at the other end of the hollow drum (10). It is discharged from the discharge hole (41).

Further, in FIG. 2, (43) is an inspection window provided in the front of the machine frame, and (44) is an exhaust device provided in the rear of the machine frame.

In the drying device configured as described above, while rotating the hollow drum (10) heated by steam to the right, the raw material to be dried is sprayed on the disk surface by the spray pipe (17) at the lower position of the hollow drum. (14) It is sprayed on (14), but only the outer peripheral portion of the hollow drum (10) is scraped off by the scraping body (33). When the pressing roller (23) is rotated to the position of the pressing roller (23) while being dried successively, the pressing roller (23) uniformly flattens the layer of the material to be dried.

Next, the leveled raw material to be dried is evenly dried while going to the position of the scraper (21). Then, the dried material attached to the disk surfaces (14) and (14) is peeled off from the disk surfaces (14) and (14) by the scraper (21) and collected from the discharge chute (22).

The material to be dried, which fell below the surface of the disc during spraying, is stored in the circulation tank (9) and is fed to the stock solution circulation pump (1
It is sent to the spray pipe (17) by 8).

Therefore, according to the present invention, a conical holding roller (23) is rotatably supported on the disk surface (14) (14) of the hollow disk (10) through a vertical connecting plate (29). Since it is a thing, the disc surface (14) (14) by the presser roller (23)
The pressing force on the disc surface can always be adjusted to the optimum state.
(14) The material to be dried attached to (14) can be uniformly pressed to recover a high quality dried material.

Further, in the past, there has been one in which the pressing roller is pressed by a spring action, but the present invention has a simple structure and can be manufactured at low cost.

Further, since the outer peripheral surface of the hollow disk (10) is reliably scraped off by the scraping body (33) at the rear position, it is possible to omit waste of the raw material to be dried.

Further, there is an effect that the dried product can be surely collected in the form of flakes while having a simple structure as a whole.

In the present invention, not only a hollow disk but also a solid disk may be used, and the heating method is not limited to steam, and may be electric heating.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is an overall front view of a rotary disk type drying device according to the present invention, FIG. 2 is a side view of the same, and FIG. 3 is a cross section of a hollow disk. Fig. 4, Fig. 4 is a perspective view of the scraper part, Fig. 5 is an enlarged side sectional view of an essential part of the present invention, Fig. 6 is a sectional view taken along the line I-I of Fig. 5, and Fig. 7 is a part of the present invention. FIG. 8 is a perspective view of a portion, FIG. 8 is another embodiment of a scraping body, and FIG. 9 is a vertical cross-sectional view of a hollow disk.
FIG. 0 is an explanatory view showing the operating state of the hollow disc. (10) …… Hollow drum (11) …… Hollow disc (14) …… Disc surface (17) …… Spray pipe (21) …… Scraper (23) …… Presser roller (29) …… Connecting plate (33 ) …… Scraped body

Claims (1)

[Scope of utility model registration request] 1. A spray pipe (17) for spraying a liquid or mud-like raw material to be dried on a disk surface (14) (14) at a lower position of a disk which is rotated and heated. The disc surface (14) (1
The scraper (21) (21) to be crimped to the 4) is provided, and the fixing bracket (30) is provided at the upper front position of the disc (11).
Via a vertical connecting plate (29) on the conical holding roller
(23) is rotatably mounted and pressed against the disc surfaces (14) and (14).
A rotary disk type drying device characterized in that a scraping body (33) to be crimped to the outer peripheral surface of (1) is provided so that the position can be adjusted.