JP2000084422A - Rice hull recovery apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rice hull recovery apparatus which has a compact body and also maintains high capability of separating rice hulls in a cyclone. SOLUTION: This rice hull recovery apparatus 1 is connected with a dust discharge port of a sorting apparatus or a rice huller provided with a sorting apparatus to separate and collect rice hulls discharged together with air blow discharged out of the dust discharge port. The apparatus 1 is provided with a conical body 4 constituting a cyclone 2 for separating rice hulls and the like by introducing and swirling the discharge air blow and a screw conveyer 3 for blowing up and transporting rice hulls from the conical body 4. The screw conveyer 3 is so installed as to penetrate a windless space formed along the axial center from the lower part in the inside of the conical body 4 constituting the cyclone.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sorting device or a huller equipped with a sorting device, which is connected to a dust outlet and separates and collects rice husks and the like discharged from the dust outlet together with exhaust air. The present invention relates to a rice husk collecting device.

[0002]

2. Description of the Related Art A hulling machine includes a hulling device and a sorting device separately or a hulling device and a sorting device integrally formed. Since the dust is discharged from the dust outlet of the huller equipped with the device together with the exhaust air, it is desired that the discharged husks and the like be collected by a collection bag in order to avoid a deterioration of the surrounding environment due to the hulling operation. In addition, a rice husk collection device that separates rice husks and the like in the exhaust air by a cyclone and collects the collected rice in a collection bag has been conventionally proposed (see Japanese Utility Model Application Laid-Open No. 63-25147).

As shown in Japanese Utility Model Application Laid-Open No. 63-25147, in a conventional rice husk collecting apparatus using a cyclone, rice husks separated by a cyclone are carried out from a lower end portion thereof by a screw conveyor provided horizontally. Since it is configured to collect in a collection bag, the screw conveyor not only needs a height exceeding the depth of the collection bag in addition to securing the collection height of rice husk etc. in the collection bag, The installation position of the cyclone that connects the lower end to the screw conveyor must be even higher.

[0004]

For this reason, the exhaust air introduction position of the cyclone becomes too high from the exhaust port of the sorting device or the huller, and the connection between the exhaust port of the sorting device or the huller and the cyclone is lost. Not only is it not easy, but also because the two parts are inevitably connected by curved pipes, the flow resistance of the exhaust air in that part increases, and the wind power of the exhaust air flowing into the cyclone decreases, causing In fact, it is inevitable that the separation capacity is reduced. Also,
Since the screw conveyor projects horizontally from the lower end of the cyclone, there is a problem that a large space is required for installing the rice husk collecting device.

On the other hand, the inventor of the present invention has carefully observed the mode of the swirling wind in the conical cylinder constituting the cyclone. As a result, the swirling wind acting on the separation of dust is generated along the inner peripheral surface of the conical cylinder. There is no wind around the axis,
The space around the axis of the conical cylinder that constitutes the cyclone is
It has been found that the separation of dust is a dead space (ineffective space).

In order to effectively utilize the dead space in the conical cylinder forming the cyclone, the present invention provides a screw conveyor formed from the lower part of the conical cylinder forming the cyclone along its axis. By providing it through the space, it is possible to make the entire device a compact configuration centered on the cyclone,
From the point where the screw conveyor penetrates the upper end of the conical cylindrical body constituting the cyclone, the discharge side of the screw conveyor can be secured at a sufficient height to collect rice husk in the collection bag, and in addition, the cyclone exhaust air The introduction position is balanced with the height of the exhaust port of the sorting device or the huller, to facilitate the connection between the two and to reduce the flow resistance in that part to keep the ability to separate rice husks etc. in the cyclone high. It is an object of the present invention to provide a rice husk collecting device that can perform the method.

[0007]

Means for Solving the Problems In order to achieve the above object, the present invention is configured as follows: a rice husk collecting apparatus according to claim 1 of the present invention is a rice husk collecting apparatus or a rice husk provided with the apparatus A rice husk collection device that is connected to the dust outlet of a sliding machine and separates and collects rice husks and the like discharged from the dust outlet together with the exhaust air. A conical cylinder constituting a cyclone, and a screw conveyor for lifting and conveying rice hulls and the like from the conical cylinder, and the screw conveyor extends along a central axis from a lower portion of the conical cylinder constituting the cyclone. A windless space formed by passing through.

[0008] The rice husk collecting device according to claim 2 of the present invention comprises:
In the configuration of claim 1, the screw conveyor provided to penetrate the windless space in the conical cylinder forming the cyclone has a configuration in which the axis of rotation of the screw coincides with the axis of the conical cylinder forming the cyclone. It is a feature.

[0009] The rice husk collecting device according to claim 3 of the present invention comprises:
In the configuration of claim 1 or 2, the screw conveyor is characterized in that the mounting angle of the screw conveyer to the conical cylinder can be changed around the rotation axis of the screw.

In the present invention, rice husks and rice hulls are not only rice husks, but also pity, straw dust and other dust.
It refers to what is discharged from the exhaust port of the hulling machine provided with the sorting device or the sorting device with the exhaust air. Further, in the present invention, the windless space formed along the axis from the lower part of the conical cylinder constituting the cyclone is not necessarily a completely windless state, but a ventilation state that does not effectively act on dust separation. Shall also be referred to.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an overall longitudinal sectional view showing one embodiment of a rice husk collecting apparatus according to the present invention, FIG. 2 is a partial horizontal sectional view, FIG. 3 is an overall perspective view, FIG. Is a partial vertical cross-sectional view showing a rice husk collecting mode, and FIG. 5 is a vertical cross-sectional view showing a usage mode of the rice husk collecting apparatus according to the present invention.

Reference numeral 1 denotes a rice husk collecting device. The rice husk collecting device 1 includes a cyclone 2 and a screw conveyor 3, and the cyclone 2 includes a conical cylindrical body 4 and a cylindrical revolving portion 5 connected to an upper end thereof.
An exhaust air inlet 6 for introducing exhaust air introduced in a tangential direction is connected to the swirling section 5, and a cylindrical exhaust port 7 is provided on a closed upper end surface of the swirling section 5. I have.

A screw conveyor 3 is provided in the conical cylindrical body 2 constituting the cyclone 2 so as to penetrate a windless space formed along the axis from the lower part thereof.
In the illustrated embodiment, the rotation axis of the screw 8 of the screw conveyor 3 coincides with the axis of the conical cylinder 4 constituting the cyclone 2. Screw conveyor 3
The lower end of the screw 8 is open at the lower end of the conical cylinder 4 constituting the cyclone 2, and the lower end of the screw 8 is exposed. The upper end of the screw conveyor 3 has a rice husk discharge port 9
The rice husk discharge port 9 is connected to a rice husk discharge gutter 10 inclined downward. The inclined lower end side of the rice husk discharge gutter 10 forms discharge ports 11, 11 branched into two, and the two discharge ports 11, 11 can be fitted with a collection bag 12 at the same time. 13 is a bag stopper. The two branched outlets 11 and 11 are alternately switched and opened by a shutter 14. Reference numeral 15 denotes an electric motor for driving the screw 8 of the screw conveyor 3. In the illustrated embodiment,
Although the electric motor 15 is linked to the upper end of the screw 8, the motor 15 may be linked to the lower end of the screw 8.

In the rice husk collecting apparatus 1 according to the present invention, the screw conveyor 3 is provided vertically by penetrating from the lower part in the conical cylinder 4 constituting the cyclone 2 to the windless space formed along the axis thereof. Although the rice husk discharge port 9 is provided on the upper end side thereof, since the periphery of the axis becomes a dead space in the separation of the rice hull in the conical cylindrical body 4 constituting the cyclone 2, the screw conveyor 3 uses the cyclone 2 Since the dead space in the conical cylindrical body 4 is effectively utilized, the apparatus is arranged in a compact structure with the cyclone 2 as a center.

The conical cylinder 4 constituting the cyclone 2 can be arranged low so that the lower end thereof is close to the installation surface 16 of the rice husk collecting device 1. For this reason, even if the whole apparatus is compact, the rice husk discharge gutter 1 which is further inclined downward toward the upper end of the screw conveyor 3 is inclined.
Even if 0 is connected, a sufficient height for collecting rice husks in the collection bag can be secured, and the exhaust air inlet 6 of the conical cylindrical body 4 constituting the cyclone 2, that is, the exhaust air introduction position and the sorting device Alternatively, since the height of the exhaust port of the huller is substantially balanced as shown in FIG. 5, the connection between the two is easy, and furthermore, the flow resistance of that part is reduced to separate the chaff etc. in the cyclone 2. The ability can be kept high.

Further, as described above, the screw conveyor 3
Can be made sufficiently high, so that the height of the discharge port 11 of the rice husk discharge gutter 10 inclined downward can be set to a position where the worker A can easily work (see FIG. 5).

In the illustrated embodiment, the screw conveyor 3 provided so as to penetrate the windless space in the conical cylindrical body 4 constituting the cyclone 2 has a conical cylindrical body in which the rotation axis of the screw 8 constitutes the cyclone 2. The screw conveyor 3 is configured such that the mounting angle of the screw conveyor 3 with respect to the conical cylindrical body around the rotation axis of the screw 8 can be freely changed by a required angle or 360 degrees.
For this reason, the direction of the rice husk discharge gutter 10 connected to the screw conveyor 3 can be changed horizontally by a required angle or 360 degrees with the end of the conical cylindrical body 4 constituting the cyclone 2 as an axis. 17 (see FIG. 5) and the arrangement of the rice husk collecting device 1, the rice husk collection position can be set to the most convenient mode. The huller 17 is provided with a sorting device, and 18 is a dust outlet thereof.

In the rice husk discharging device 1 according to the present invention,
Since the screw 8 of the screw conveyor 3 is exposed at the lower end in the conical cylinder 4 constituting the cyclone 2 and the screw 8 reaches the lower end of the conical cylinder 4, the conical cylinder constituting the cyclone 2 The rice hulls and the like separated in 4 are discharged without delay by the screw conveyor 3.
For this reason, the capacity for separating rice hulls and the like with respect to the volume ratio of the conical cylindrical body 4 constituting the cyclone 2 is increased, so that the cyclone 2 can be made more compact.

[0019]

According to the present invention, a screw conveyor is formed along the axis from the lower portion of the conical cylinder constituting the cyclone in order to effectively utilize the dead space in the conical cylinder constituting the cyclone. By passing through the windless space, it is possible to make the entire device a compact configuration centered on the cyclone,
From the point where the screw conveyor penetrates the upper end of the conical cylindrical body constituting the cyclone, the discharge side of the screw conveyor can be secured at a sufficient height to collect rice husk in the collection bag, and in addition, the cyclone exhaust air The introduction position is balanced with the height of the exhaust port of the sorting device or the huller, to facilitate the connection between the two and to reduce the flow resistance in that part to keep the ability to separate rice husks etc. in the cyclone high. Can be provided.

According to the third aspect of the present invention, the direction of the rice husk discharge gutter connected to the screw conveyor can be changed by 360 degrees in the horizontal direction with respect to the conical cylinder constituting the cyclone. Therefore, the arrangement of the rice huller and the rice husk collecting device allows the rice husk collection position to be the most convenient mode.

[Brief description of the drawings]

FIG. 1 is an overall longitudinal sectional view showing one embodiment of a rice husk collecting device according to the present invention.

FIG. 2 is a horizontal sectional view of a part of FIG.

FIG. 3 is an overall perspective view showing one embodiment of a rice husk collecting device according to the present invention.

FIG. 4 is a partial longitudinal sectional view showing a rice husk collecting mode in the rice husk collecting device according to the present invention.

FIG. 5 is a longitudinal sectional view showing a use mode of the rice husk collecting device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rice husk collection apparatus 2 Cyclone 3 Screw conveyor 4 Conical cylinder 5 Revolving part 6 Exhaust air introduction port 7 Exhaust port 8 Screw 9 Rice husk discharge port 10 Rice husk discharge gutter 11, 11 Two discharge ports 12 Collection bag 13 Bag stopper 14 Shutter 15 Motor 16 Installation surface 17 Rice hulling machine 18 Dust port A Worker

Claims (3)

[Claims] 1. A rice husk collecting device connected to a dust outlet of a sorting device or a huller equipped with the sorting device to separate and collect rice hulls and the like discharged from the dust outlet together with exhaust air. A conical cylinder that constitutes a cyclone that separates rice husks and the like while introducing and turning exhaust air, and a screw conveyor that lifts and conveys rice hulls and the like from the conical cylinder, and the screw conveyor is a cyclone. A rice husk collecting device characterized by being provided through a windless space formed along the axis from the lower part in the conical cylinder constituting the rice hull. 2. A screw conveyor provided so as to penetrate a windless space in a conical cylinder constituting a cyclone, wherein a rotation axis of the screw coincides with an axis of a conical cylinder constituting the cyclone. The rice husk collecting device according to claim 1. 3. The rice husk collecting device according to claim 1, wherein the screw conveyor has a mounting angle with respect to the conical cylinder that can be changed about the rotation axis of the screw.