KR20000051936A - Compressed pulverizer for rice bran - Google Patents

Abstract

PURPOSE: A rice hull crusher by expansion and softening is provided to crush rice hulls further into fine powders to promote the fermentation and moisture absorption of rice hulls. CONSTITUTION: A crusher comprises: a hopper(12) on a main body(11) with a chute(13) for transferring hulls; a conveyer on the bottom of the hopper for moving hulls from the hopper(12) to the chute(13); a screw device(23) for crushing rice hulls supplied via the chute(13) from the hopper(12) with compression and expansion of the screw; and a drive shaft(14) for driving the crusher screw(23) in a housing(25). The crusher screw(23) tapers toward the outlet for compression of hulls supplied into the screw.

Description

Rice bran expander {Compressed pulverizer for rice bran}

The present invention relates to a rice hull bulging machine, in particular, the high quality that can be efficiently used for organic fertilizer, seedling soil, livestock forage, barn sheath, soil improver, plant culture, etc. It relates to a chaff dilatation machine that produces bulge chaff.

In general, sawdust has been widely used for improving the soil, cultivating barns, plant cultivation, and forage of livestock, but nowadays, fermentation time is short, water retention is good, fine grinding is possible, and heat retention, water absorption and breathability are good. It is preferred to chaff over sawdust because it has various advantages such as no gas generation and high soil prevention effect when it is decaying.

These rice husks are used to grind them finely using a rice husk grinder because the grains are relatively large and do not crush.

Conventional rice husk grinder is a grinder cylinder into which rice husk is introduced, a ring frame fixed in the grinder cylinder to pass only finely ground pulverized products, an impeller generating a whirlwind inside the ring frame, a discharge fan for discharging fine chaff to an outlet, an impeller And a rotating shaft and a motor for rotating the discharge fan.

By this configuration, the motor drives the impeller to cause a strong whirlwind in the grinder to crush the chaff into fine powder.

However, the conventional rice husk grinder has the effect of pulverizing the fine powder than the conventional pulverizer and the advantage that does not occur when grinding, but the fine grinding effect as expected could not be obtained.

The present invention is intended to efficiently achieve the point that the conventional chaff crusher did not achieve, by pressing and compressing the chaff pulverized to further finely pulverize the fermentation proceeds rapidly and the moisture content is constant and at the same time the pulverized particles The purpose is to provide a rice hull expander that produces a consistent and excellent water-absorbing rice husk at a low price.

1 is a perspective view of the rice hull inflator according to the present invention,

Figure 2 is an exploded perspective view of the main part of the rice hull inflator according to the present invention,

3 is a longitudinal sectional view of the rice hull inflator according to the present invention,

4 is a schematic view showing a power transmission structure according to the present invention;

Figure 4a, 4b is a state diagram used chaff expander according to the present invention.

*** Explanation of symbols for the main parts of the drawing ***

10-Base 11-Body 12-Hopper

13-chute 14-drive shaft 15-pulley

16-Drive motor 17-Belt 18-Screw shaft

19a, 19b, 19c-Reduction Gear 20-Feed Fan Shaft 21-Feed Fan

22-part 23-grinding screw 24-grinding blade

25-Screw Housing 26-First Body 27-Shaft Bore

28-Openings 29-Chaff inlet 30a, 30b, 30c-Bracket

31a, 31b, 31c-Screw hole 32-Second body 33-Outlet

34-grinding blade 36-inlet 37-conveyor

38-conveying pipe 39-outlet 40-throttle

42-feed screw 43-motor

In the present invention for achieving the above object, in the apparatus for grinding chaff into fine powder,

A hopper into which the chaff having a chute for transferring the chaff to the lower part of the main body is introduced;

Supply means for supplying the chaff of the hopper down to the chute;

Crushing means for compressing and crushing rice hulls which are conveyed downward from the chute;

A drive shaft installed at the center of the main body and driven by rotation of the motor to transmit power to the grinding means and the supply means;

It consists of a drive motor for driving the drive shaft is achieved by compacting the chaff injected into the hopper while grinding.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of the chaff inflator according to the present invention, Figure 2 is an exploded perspective view of the main portion of the chaff inflator according to the present invention, Figure 3 is a longitudinal cross-sectional view of the chaff inflator according to the present invention.

As shown in the expander, the main body 11 is installed on the upper portion of the base 10, and the hopper 12 into which the chaff is introduced is installed on the upper portion of the main body 11. A chute 13 is installed at the front lower portion of the hopper 12 to transfer the chaff to a lower portion, and the center lower portion of the chute 13 extends to be connected to an upper portion of the screw housing 25 to be described below installed at the center lower portion of the main body 11. do.

The drive shaft 14 is installed at the central portion of the main body 11 and the pulley 15 is coupled to one end thereof, and is connected to the drive motor 16 and the belt 17 fixed to the base 10. Reference numeral 50 is a control box, "C" is a case for protecting the drive motor 16, "P" is a pulley safety case for protecting the pulley.

Screw shafts 18 are installed at both upper and lower centers of the main body 11 around the drive shafts 14, and the screw shafts 18 and the drive shafts 14 are reduction gears 19a, 19b, and 19c having the same reduction ratio. Are connected and driven.

And the transfer fan shaft 20 is installed on the upper upper screw shaft (18). The tip of the conveying fan shaft 20 is penetrated in the upper portion of the chute 13, and a conveying fan 21 in which a plurality of pieces 22 are radially formed is provided at the distal end of the conveying fan shaft 20. 3 and 4, the sprocket 202 is installed at the rear end thereof, and is connected to the sprocket 182 and the chain 204 installed at the end of the screw shaft 18 and rotated.

Further, a grinding screw 23 is provided at the tip of each screw shaft 18, and a screw housing 25 is covered on the outside of the grinding screw 23. The grinding screw 23 is narrow in the end direction is formed with a spiral grinding blade 24 for transporting and cutting the chaff on the outer circumferential surface, the screw housing 25 is a center portion of the outer surface through which the pulverized fine chaff is discharged It has an outlet 33 and the inner peripheral surface is formed with a spiral grinding blade 34 for transporting and crushing the chaff toward the outlet 33 is connected to the lower end of the chute 13 at the top. In particular, the screw housing 25 is composed of two bodies separated before and after, as shown in Figure 2 to facilitate assembly, the first body 26 is the shaft hole 27 is inserted into the screw shaft 18 on the back And a bracket 30a having screw holes 31a and 31b formed around the opening 28 in which the crushing screw 23 is inserted in the front and bolted to the main body 11, and the chute 13 at the top. ) And the chaff inlet hole 29 is formed to be connected to the front and around the front surface is formed with a bracket (30b) formed with screw holes (31a) (31b). In addition, the second body 32 has a bracket 30c having a screw hole 31c coinciding with the bracket 30b around the opening 28 of the first body 26 on the rear surface thereof so that the first body 26 is formed. Is bolted to, and the front center portion is formed with an outlet 33 through which the ground fine chaff is discharged. Therefore, during assembly, after the rear body is assembled, the grinding screw 23 is assembled, and then the second body 32 is assembled.

In addition, an inlet 36 is formed at the bottom of which the ground chaff discharged from the ground is discharged, and a transport conveyor 37 is installed at a lower portion thereof as shown in FIGS. 5A and 5B. The conveying conveyor 37 is composed of a cylindrical conveying pipe 38 having one side end in communication with the inlet 36 and a conveying screw 42 installed and rotated inside the conveying pipe 38. A plurality of outlets 33 are provided at a predetermined interval in the longitudinal direction of the bottom surface, and the transfer screw 42 inside the transfer pipe 38 is connected to a separate motor 43 installed outside to transfer the fine chaff. And each discharge port 39 of the transfer pipe 38 is provided with a control plate 40 for controlling the discharge of finely divided chaff.

The chaff inflator of the present invention having such a structure is installed to have a constant height as a support frame to facilitate the packing of the outflated chaff. At this time, chaff inflator may be installed alone or in a set of two, when configured in a pair can be installed to face the inflator and can be shared by installing the hopper in the upper center. Of course, if you need mass production, you can install more and more dilatators.

When the chaff inflator is operated, the chaff is introduced into the hopper 12 and the driving motor 16 is operated to rotate the drive shaft 14 connected to the driving motor 16 and the belt 17 and reduce the gear ( The screw shaft 18 is rotated by 19a, 19b, and 19c, and at the same time, the conveying fan shafts 20 on both upper sides are also rotated by the chain 204.

By the rotation of the upper both side transfer fan shaft 20, the transfer fan 21 installed at its tip rotates to flow the chaff in the hopper 12 to move downward to the bottom of the chute 13.

The chaff lowered to the chute 13 is introduced into each screw housing 25. The grinding screw 23 is continuously rotated by the screw shaft 18, is not only transferred to the inlet of the screw housing 25 by the spiral grinding blade 24 formed on the surface of the grinding screw 23, but also grinding Since the shape of the screw 23 is narrowed toward the tip end, and the inner circumferential surface of the screw housing 25 opposed thereto is also formed narrower toward the inlet, the rice husk is compressed. At the same time, the chaff compressed by the grinding blade 24 of the grinding screw 23 and the grinding blade 34 of the inner circumferential surface of the screw housing 25 is pulverized into fine powder such as fiber and silicon components of the chaff surface are crushed and crushed. The crushing capacity of such rice hull expander is about 3㎥ / hr, and the grains of the expanded chaff can be crushed to about 10mesh or less.

The ground chaff pulverized in this way falls to the bottom through the outlet 33 and is introduced into the transfer pipe 38 through the inlet 36 formed at the bottom. The fine chaff introduced into the conveying pipe 38 is conveyed to the distal end of the conveying pipe 38 by a conveying screw 42 rotated by a separate motor 43. Position and open the control plate 40 installed in each outlet 39 to put the fine chaff in the bag. When the powdered chaff is properly filled with chaff, the outlet 39 is closed by the control plate 40 so that the fine chaff is no longer discharged, and then another bag is connected to the support rod 41 to continuously carry out the packing operation.

As discussed above, the chaff expander of the present invention has a low moisture content and a constant, small and constant crushed grains by rapidly crushing the chaff introduced into the hopper into the grinding screw and screw housing through a chute and pressing at high pressure. At the same time, it is effective to obtain fine chaff, which is excellent in moisture and moisture, at low prices.

In addition, chaff inflator of the present invention has the advantage that the structure is simple and small in size, the installation space is small, can be installed in a variety of structures and the maintenance cost is low, in particular when water is not required when expanding.

Claims (5)

In the apparatus for grinding chaff into fine powder, A hopper 12 into which the chaff having a chute 13 for transporting the chaff to the bottom of the main body 11 is introduced; Supply means for supplying the chaff of the hopper 12 downwardly to the chute 13; Crushing means connected to the lower part of the chute 13 to crush and crush the chaff which is transported downward from the chute 13; Chaff expander, characterized in that the drive shaft 14 is connected to the drive motor 16 in the center of the main body 11 is composed of drive means for transmitting power to the grinding means and the supply means. According to claim 1, wherein the supply means is installed so as to penetrate the insertion end of the transfer fan shaft 20 is connected to the drive shaft 14 in the upper portion of the chute 13, the tip portion of the transfer fan shaft 20 Chaff expander, characterized in that the transfer fan 21 is installed. 2. The helical means according to claim 1, wherein the grinding means is narrow in the end direction at the tip of each screw shaft 18 connected to the drive shaft 14 and the reduction gears 19a, 19b, and 19c to transfer and cut the rice hull on the outer circumferential surface. A grinding screw 23 having a grinding blade 24, The tube is narrowed in the direction of the discharge port 33 of the tip is covered with the outer surface of the grinding screw 23, the upper portion is connected to the lower end of the chute 13, the rice hull transported and crushed toward the outlet 33 on the inner peripheral surface Chaff dilator, characterized in that consisting of a screw housing 25, the spiral grinding blade 34 is formed. According to claim 3, The screw housing 25 is a tubular shape consisting of two first, second body, the first body 26 is provided with a bracket (30a) around the bolted to the main body 11 And a chaff inflow hole 29 connected to the chute 13 at the upper part, and another bracket 30b is formed at the front circumference, and the second body 32 has an opening ( 28) The chaff is characterized in that the bracket 30c is formed to match the circumference of the bracket 30b and bolted to the first body 26, and an outlet 33 through which the ground fine chaff is discharged is formed at the front center portion. Dilatizer. According to claim 1, wherein the inlet opening 36 is formed in the lower opening at the position where the pulverized fine chaff is dropped and a cylindrical conveyance pipe 38 is installed at the lower portion thereof to connect one end to the inlet 36 And a plurality of outlets 39 are provided at predetermined intervals in the longitudinal direction of the bottom surface of the transfer pipe 38, and the transfer screw 42 is rotated by a separate motor 43 inside the transfer pipe 38 to transfer the fine rice husks. Chaff expander, characterized in that it is further provided with a conveyor for fine-grained rice husk.