JP5904105B2 - Textile cleaning equipment - Google Patents

Description

  The present invention relates to a fiber washing apparatus. More particularly, the present invention relates to a fiber washing apparatus in which a discharge port for a cleaned material is covered with a hood having a predetermined shape, and the material is smoothly discharged from the discharge port along with the flow of air. In addition, since the exhaust port is provided on the upper surface of the hood, air is prevented from flowing back to the material input port due to the vortex flow in the hood, the material input is not hindered, and the material contains fibers The present invention relates to a fiber washing apparatus that can efficiently wash the water.

  In recent years, for example, plant fibers obtained from bast plants such as kenaf are expected to be further utilized from the viewpoint of environmental conservation. Conventionally, as a method for producing plant fibers, a collected bast plant is immersed in, for example, a pond, a lake, a river, etc., and a substance such as pectin that binds the fibers is decomposed by microorganisms contained in water, so-called letting There is known a method of extracting fibers by the above method. And the fiber extracted by letting is normally wash-processed.

  As a device for cleaning fibers extracted by letting as described above, a waste plastic cleaning device (for example, see Patent Document 1) that efficiently cleans and removes waste plastic sand, mud, and the like. Has been proposed. In this cleaning apparatus, a plurality of paddles are rotatably provided in a casing having a mesh, and waste plastic is cleaned by the rotating paddles, and adhering mud, sand, and the like are removed. In addition, using this cleaning device, it is possible to clean the fibers extracted by the letting and remove attached dirt and the like.

  Further, the fiber cleaning device includes a container and a rotating body having a plurality of cleaning blades rotatably provided in the container, and a wall member on which fibers scattered by the cleaning blade collide, and a wall member There is known a fiber washing apparatus including a discharging means such as a conveyor that discharges fibers that collide and fall to the outside of the container (for example, see Patent Document 2).

JP 2004-216280 A JP 2012-180623 A

  However, in the fiber cleaning device described in Patent Document 2, air may flow backward from the fiber discharge side to the input side due to the rotating cleaning blade, which may prevent the fiber from being input.

  The present invention has been made in view of the above-described situation, and an object thereof is to provide a fiber cleaning device that prevents air from flowing back to a fiber inlet.

The present invention is as follows.
A cylindrical container having two bottom walls and side walls;
A cleaning blade provided in the container so as to be rotatable around a center line of the container,
The container is arranged to lie down;
On the bottom wall side of the side wall of the container, a material charging port opened upward is arranged,
On the other bottom wall side of the side wall of the container, a material discharge port opened downward is arranged,
The material outlet is covered with a hood,
When the container is viewed in a cross-section cut at right angles to the center line at the position of the material discharge port, the side wall has a circular shape with a portion of the material discharge port cut out. Is drawn along the curve of the side wall, and a circle is drawn,
Draw a horizontal imaginary line extending from the center line to the circle, and the two intersections of the circle and the imaginary line formed at this time are defined as a first intersection and a second intersection,
A line connecting the center line and the first point, and a line connecting the center line and the point A, with the point on the circle being a point A at the same height or lower position as the first point of intersection The angle θ1 formed by the minute satisfies 0 ° ≦ θ1 <90 °,
A first wall portion based on the point A is formed so as to extend in a tangential direction toward the lower side at the point A of the circle,
A line segment connecting the center line and the second intersection point at a point on the circle at the same height, low position, or high position as the second intersection point, and the center line and the B point The angle θ2 formed by the line connecting the two satisfies 0 ° ≦ θ2 ≦ 30 °,
A second wall portion is formed to extend downward from a point D that is spaced outward from the circle by a predetermined distance L from the point B;
A third wall is formed at a position connecting the point B and the point D;
The third wall is provided with an exhaust port,
The hood includes the first wall portion, the second wall portion, the third wall portion, and a fourth wall portion and a fifth wall portion that connect these wall portions, and a discharge opening is provided below. A fiber washing apparatus characterized by being made.
2. The opening area of the exhaust port is variable. The fiber washing apparatus as described.
3. The opening area of the discharge opening is larger than the opening area of the material input opening. Or 2. The fiber washing apparatus as described in.

In the fiber washing apparatus of the present invention, the material discharge port is covered with a hood having a predetermined shape, and an exhaust port is provided in the third wall portion (upper wall) of the hood. Therefore, even if a swirling flow is generated in the hood by the rotating cleaning blade, the upward air flow flows out from the exhaust port, preventing the backflow of air to the material input port and preventing the material input. It is suppressed. Therefore, the material containing fibers can be efficiently washed and discharged smoothly from the discharge opening of the hood.
If the opening area of the exhaust port is variable, the air flow varies depending on various factors such as the volume of the container, the rotation speed of the cleaning blade, the shape and dimensions of the hood, the properties of the material, and the input amount. Based on this, the opening area of the exhaust port can be adjusted. Thereby, the backflow of the air to a material input port can be prevented more efficiently, and the material containing a fiber can be input more easily, washed and discharged.
Furthermore, when the opening area of the discharge opening is larger than the opening area of the material input opening, the material containing the fiber after cleaning is discharged more efficiently, and the cleaned material adheres to the vicinity of the discharge opening. In addition, it is possible to prevent the material from being deposited and to make it easier to input the material from the material input port.

In the following, non-limiting examples of exemplary embodiments according to the present invention will be given and described in detail with reference to the mentioned drawings, wherein like reference numerals refer to several views of the drawings. It shows that it is the same part through.
It is a perspective view of an example of the textile washing apparatus of the present invention. It is explanatory drawing showing the end surface in the position of the material discharge port of a container. It is sectional drawing showing the cross section of a fiber washing apparatus.

Hereinafter, the present invention will be described in detail with reference to the drawings.
The items shown here are for illustrative purposes and exemplary embodiments of the present invention, and are the most effective and easy-to-understand explanations of the principles and conceptual features of the present invention. It is stated for the purpose of providing what seems to be. In this respect, it is not intended to illustrate the structural details of the present invention beyond what is necessary for a fundamental understanding of the present invention. It will be clear to those skilled in the art how it is actually implemented.

1. Fiber Washing Device A fiber washing device (1) according to the present embodiment includes a cylindrical container (9) having two bottom walls (3, 5) and a side wall (7), and a container (9). And a cleaning blade (11) provided rotatably around a center line C of the container (9) (see FIG. 1-3). The container (9) is disposed so as to lie down, and on the bottom wall (3) side of the side wall (7) of the container (9), a material charging port (13) opened upward is arranged, and the container (9) On the other bottom wall (5) side of the side wall (7), a material discharge port (15) opened downward is arranged. The material discharge port (15) is covered with a hood (17).

  Further, when the container (9) was viewed in a cross section cut at a position of the material discharge port (15) so as to be orthogonal to the center line C, the side wall (7) lacked the material discharge port (15) portion. It becomes a circle. When this missing portion is compensated along the curve of the side wall (7) and a circle is drawn, a horizontal imaginary line extending from the center line C to the circle is drawn, and two circles and imaginary lines formed at this time are drawn. Let the intersection be a first intersection (P1) and a second intersection (P2). At the same height or low position as the first intersection (P1), a point on the circle is designated as point A, a line segment connecting the center line C and the first intersection (P1), and the center line C and the point A The angle θ1 formed by the connecting line segments is set to satisfy 0 ° ≦ θ1 <90 ° (see FIG. 2). Furthermore, the 1st wall part (19) which comprises a part of food | hood (17) is formed on the basis of A point so that it may extend in the tangential direction which goes to the downward side in A point of a circle | round | yen.

  On the other hand, a line segment connecting the center line C and the second intersection point (P2) with the point B on the circle at the same height, low position, or high position as the second intersection point (P2), and the center line An angle θ2 formed by a line segment connecting C and point B is set to satisfy 0 ° ≦ θ2 ≦ 30 ° (see FIG. 2). Then, a second wall portion (21) that constitutes a part of the hood (17) is formed so as to extend downward from a point D that is spaced outward from the circle by a predetermined distance L from the point B. .

  Further, a third wall portion (23) constituting a part of the hood (17) is formed at a position connecting the point B and the point D, and an exhaust port (25) is provided in the third wall portion (23). It is done. Thus, the hood (17) includes the first wall portion (19), the second wall portion (21), and the third wall portion (23), and the fourth wall portion (27) that connects these wall portions. ), A fifth wall (29), and a discharge opening (31) below.

  The fibers to be washed by the fiber washing apparatus (1) include kenaf, manila hemp, sisal hemp, jute hemp, cotton, husk, three bases, banana, pineapple, coconut palm, corn, sugar cane, bagasse, palm, papyrus, persimmon, esparto , Plant fibers obtained from sabygrass, wheat, rice, bamboo, and various conifers (such as cedar and cypress).

  The material of the said container (9) is not specifically limited, For example, it forms from a metal, resin, etc. Moreover, it is preferable that the lower side of the container (9) is provided with a punching metal having a plurality of holes for discharging dirt contained in the material to be cleaned and cleaning water. Instead of the punching metal, an expanded metal having a plurality of openings may be employed, or the openings may be formed directly in the container. Moreover, it may be a slit instead of a circular or elliptical opening.

The material of the said hood (17) is not specifically limited, For example, it forms from a metal, resin, etc.
Further, since the material discharge port (15) is covered with the hood (17), there is no possibility of directly touching the cleaning blade (11), and safety is ensured.
The first wall portion (19) of the hood (17) extends in a tangential direction toward the lower side at the point A. Since the centrifugal force applied to the fibers in the container (9) can be efficiently used by extending in the tangential direction in this way, the fibers are smoothly discharged from the container (9). Further, since the first wall portion (19) extends in the tangential direction in this manner, the wind generated by the cleaning blade (11) in the container (9) smoothly flows into the exhaust opening (31). To the outside of the container (9). Therefore, the head wind which has arisen on the material inlet (13) side can be suppressed.
As described above, the angle θ1 satisfies 0 ° ≦ θ1 <90 °, preferably 0 ° ≦ θ1 ≦ 45 °, and particularly preferably 5 ° ≦ θ1 ≦ 30 °.
The angle θ2 satisfies 0 ° ≦ θ2 ≦ 30 °, preferably 0 ° ≦ θ2 ≦ 20 °, and particularly preferably 0 ° ≦ θ2 ≦ 10 °.
Moreover, although the predetermined distance L is not specifically limited, Usually, it is 10-400 mm, Preferably it is 100-300 mm, Most preferably, it is 100-200 mm.
The material of the cleaning blade (11) is not particularly limited, and is made of, for example, metal, resin or the like. Also, the number of cleaning blades (11) is not particularly limited, but usually 3-5 sheets are preferably used.

  Moreover, it is preferable that the opening area of the exhaust port (25) is variable. In this way, the flow of air varies depending on various factors such as the volume of the container (9), the rotational speed of the cleaning blade (11), the shape and size of the hood (17), the properties of the material and the input amount. Based on this, the opening area of the exhaust port (25) can be adjusted.

The ratio (S1 / S2) of the opening area S1 of the discharge opening (31) and the opening area S2 of the material input port (13) preferably satisfies 1 <(S1 / S2).
The ratio (S1 / S2) more preferably satisfies 1.1 ≦ (S1 / S2) ≦ 1.5,
Particularly preferably, 1.2 ≦ (S1 / S2) ≦ 1.4 is satisfied. When the ratio (S1 / S2) is within this range, it is possible to suppress the washed material from adhering to and depositing near the discharge opening (31).

  Hereinafter, the present invention will be specifically described with reference to the drawings.

(1) Configuration of Fiber Washing Device The fiber washing device 1 according to the present embodiment includes a cylindrical container 9 having two bottom walls 3 and 5 and a side wall 7. A punching metal having a plurality of openings is provided on the lower side of the container 9. Foreign substances such as moisture and fermented matter contained in the fiber are discharged from the opening. The container 9 is arrange | positioned so that it may lie down, as FIG. 1 shows.
The container 9 is provided with four cleaning blades 11 provided so as to be rotatable about the center line of the container. The cleaning blade 11 can be rotated in the direction of the arrow by a driving device (not shown).
On the bottom wall side 3 of the side wall of the container 9, a substantially rectangular tube-shaped material input port 13 opened upward is disposed. The opening area of the material inlet 13 is 900 cm ² . Further, a material discharge port 15 opened downward is disposed on the other bottom wall 5 side of the side wall 7 of the container 9. The material discharge port 15 is covered with a metal hood 17.
The hood 17 includes a first wall portion 19, a second wall portion 21, a third wall portion 23, and a fourth wall portion 27 and a fifth wall portion 29 that connect these wall portions. The opening area of the discharge opening 31 is set to 1200 cm ² . In FIG. 1, the fifth wall portion 29 is hidden on the back side.
The first wall portion 19 is provided so as to be inclined such that θ1 = 5 ° in FIG. Further, the second wall portion 21 is arranged so as to extend downward from the point D so that θ2 = 0 ° and L = 200 mm in FIG. 2. The third wall portion 23 is provided with an exhaust port 25 that is slidable and capable of changing the opening area. The opening area of the exhaust port 25 is variable from 0 to 450 cm ² .

(2) Operation of Fiber Cleaning Device Next, the operation of the fiber cleaning device 1 having the above configuration will be described. When the rotation shaft is driven to rotate in a state where fibers are supplied from the material input port 13 and water is supplied into the container 9, each cleaning blade 11 is rotated together with the rotation. The fibers fed into the container 9 from the material inlet 13 are washed by the respective washing blades 11. Then, the washed fiber falls so as to slide on the first wall portion 19 of the hood 17 and is discharged from the discharge opening 31. Thereafter, the washed fibers are conveyed to the collection case 35 by the conveyor 33.

(3) Effect of Example As described above, according to the fiber cleaning device 1 of the present example, since the material discharge port 15 is covered with the hood 17 having a predetermined shape, there is no possibility of directly touching the cleaning blade 11 and safety. Is secured.
Further, the first wall portion 19 of the hood 17 extends in a tangential direction toward the lower side at the point A. Since the centrifugal force applied to the fibers by the rotation of the cleaning blade 11 can be efficiently used by extending in the tangential direction in this manner, the fibers are smoothly discharged from the container 9. In addition, since the first wall portion 19 extends in the tangential direction in this manner, the wind generated by the rotation of the cleaning blade 11 in the container 9 is smoothly discharged out of the container 9 from the exhaust opening 31. Is done. Therefore, it can suppress that a wind reverses to the material inlet 13 side.
An exhaust port 25 is provided in the third wall portion 23 of the hood 17. Therefore, even if a vortex flow is generated in the hood 17 by the rotating cleaning blade 11, this air flow is exhausted from the exhaust port 25, and the backflow of air to the material input port 13 is further prevented. The material input is not hindered.

In addition, since the opening area of the exhaust port 25 is variable, the opening area of the exhaust port 25 can be adjusted based on the air flow that varies depending on various factors such as the material properties and the input amount. Thereby, the backflow of the air to the material input port 13 can be prevented more efficiently, and the material containing the fiber can be input more easily, washed, and discharged.
Further, since the exhaust port 25 is a slide type, the opening area can be easily changed with a simple configuration.
Moreover, since the opening area of the discharge opening 31 is larger than the opening area of the material input port 13, the material containing the fibers after cleaning is efficiently discharged. As a result, the washed material is prevented from adhering or depositing in the vicinity of the discharge opening 31. In addition, since the opening area of the discharge opening 31 is larger than the opening area of the material input port 13, the backflow of air is suppressed, and the material can be input from the material input port 13 more easily.

  In the present invention, the present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention depending on the purpose and application. That is, in the above-described embodiment, the case where the number of the cleaning blades 11 is four is illustrated, but the present invention is not limited thereto, and may be 1-10, for example.

  Moreover, in the said Example, although the fiber after washing | cleaning was carried to the collection | recovery case 35 with the conveyor 33, the collection method of the fiber after washing | cleaning is not specifically limited. For example, a collection case may be disposed under the discharge opening, and the fibers discharged from the discharge opening may be recovered as they are.

  In the above embodiment, the cleaning blade 11 having a substantially L-shaped longitudinal section is illustrated, but the present invention is not limited thereto, and for example, a cleaning blade having a substantially rod-shaped longitudinal section may be employed.

  Moreover, in the said Example, although the exhaust port 25 of the 3rd wall part 23 shall be a slide type and can change an opening area, it is not restricted to this, Even if an opening area is fixed, Good. Further, the method of changing the opening area is not limited to the slide type, and any known method can be widely used as long as the opening area can be changed.

  Moreover, in the said Example, although the exhaust port 25 of the 3rd wall part 23 was set as the form with which the single opening was opened, the exhaust port may be formed of the some hole.

  Furthermore, in the said Example, although the punching metal which has a some hole part was illustrated, it is not limited to this, For example, the expanded metal which has a some hole part is employ | adopted, or a hole part is directly formed in the container 9. Or may be formed. Furthermore, you may employ | adopt a slit as a hole.

  The foregoing examples are for illustrative purposes only and are not to be construed as limiting the invention. Although the invention has been described with reference to exemplary embodiments, it is to be understood that the language used in the description and illustration of the invention is illustrative and exemplary rather than limiting. As detailed herein, changes may be made in its form within the scope of the appended claims without departing from the scope or spirit of the invention. Although specific structures, materials and examples have been referred to in the detailed description of the invention herein, it is not intended to limit the invention to the disclosure herein, but rather, the invention is claimed. It covers all functionally equivalent structures, methods and uses within the scope.

  The present invention is not limited to the embodiments described in detail above, and various modifications or changes can be made within the scope of the claims of the present invention.

  Widely used as a technology for cleaning fibers. In particular, it is suitably used as a technique for washing plant fibers obtained from various plants.

  DESCRIPTION OF SYMBOLS 1; Fiber washing | cleaning apparatus, 3; Bottom wall, 5; Bottom wall, 7: Side wall, 9; Container, 11; Cleaning blade, 13: Material inlet, 15; Material outlet, 17; Hood, P1; P2; second intersection point 19; first wall portion 21; second wall portion 23; third wall portion 25; exhaust port 27; fourth wall portion 29; fifth wall portion 31; Opening 33; Conveyor 35; Collection case

Claims (3)

A cylindrical container having two bottom walls and side walls;
A cleaning blade provided in the container so as to be rotatable around a center line of the container,
The container is arranged to lie down;
On the bottom wall side of the side wall of the container, a material charging port opened upward is arranged,
On the other bottom wall side of the side wall of the container, a material discharge port opened downward is arranged,
The material outlet is covered with a hood,
When the container is viewed in a cross-section cut at right angles to the center line at the position of the material discharge port, the side wall has a circular shape with a portion of the material discharge port cut out. Is drawn along the curve of the side wall, and a circle is drawn,
Draw a horizontal imaginary line extending from the center line to the circle, and the two intersections of the circle and the imaginary line formed at this time are defined as a first intersection and a second intersection,
A line connecting the center line and the first point, and a line connecting the center line and the point A, with the point on the circle being a point A at the same height or lower position as the first point of intersection The angle θ1 formed by the minute satisfies 0 ° ≦ θ1 <90 °,
A first wall portion based on the point A is formed so as to extend in a tangential direction toward the lower side at the point A of the circle,
A line segment connecting the center line and the second intersection point at a point on the circle at the same height, low position, or high position as the second intersection point, and the center line and the B point The angle θ2 formed by the line connecting the two satisfies 0 ° ≦ θ2 ≦ 30 °,
A second wall portion is formed to extend downward from a point D that is spaced outward from the circle by a predetermined distance L from the point B;
A third wall is formed at a position connecting the point B and the point D;
The third wall is provided with an exhaust port,
The hood includes the first wall portion, the second wall portion, the third wall portion, and a fourth wall portion and a fifth wall portion that connect these wall portions, and a discharge opening is provided below. A fiber washing apparatus characterized by being made.   The fiber washing apparatus according to claim 1, wherein an opening area of the exhaust port is variable.   The fiber cleaning device according to claim 1 or 2, wherein an opening area of the discharge opening is larger than an opening area of the material input opening.

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