JP3294810B2 - Duct cleaning equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice cleaning plant for separating rice bran, and more particularly to an apparatus for cleaning ducts through which rice bran flows.

[0002]

2. Description of the Related Art A rice mill is described as an example.
During the milling process, brown rice epidermis components and germs are generated as rice bran, which is separated from rice grains (milled rice) and collected by a dust collector through a dust collection duct. The inner wall of the dust collection duct and the dust collector Rice bran adheres and accumulates on the filter part, lowering dust collection efficiency, and because pests nest,
It is necessary to clean as appropriate. For this cleaning, the rice milling operation is interrupted, the dust collector and the dust collection duct are disassembled at appropriate connection points, the filter section and the interior of each duct are inspected, and the rice bran deposits and deposits are cleaned with a cleaning tool such as a brush. After rubbing and cleaning, the dust collector and duct are assembled back to normal, and the rice polishing work is resumed.

[0003]

Conventionally, in cleaning the dust collector and the duct, it is necessary to suspend the original work, disassemble the dust collector and the duct as appropriate, and after cleaning, reassemble. It is carried out by a professional company who knows the structure well, it is expensive, it takes a long time to clean, it is also heavy labor, during which time the original work must be interrupted, and improvement is required It had been.

SUMMARY OF THE INVENTION The present invention has been developed to meet the above-mentioned demand, and does not require disassembly of a dust collector or a duct. It is intended to provide.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, a recess for accommodating a cleaning tool is provided in a part of a duct, and at the time of cleaning, the cleaning tool is sent out from the recess for cleaning to clean the inside of the duct. Then, after cleaning, the cleaning tool is retracted and stored in the storage recess. This allows for
Without disassembling the duct, the cleaning tool can be sent out from the storage recess at any time to clean the inside of the duct,
After cleaning, the cleaning tool can be retracted and stored in the storage recess, so that the cleaning tool and the storage recess do not hinder dust collection or the like in normal times. Therefore, for example, cleaning can be performed before the start of work every morning, or after work every day, so that the cleaning can be performed in a short time before the amount of deposits increases.

[0006] As means for moving the cleaning tool, a wire is connected and pushed and pulled. In addition, as a means for moving the cleaning tool, a towing line is connected to the front and rear sides of the cleaning tool, one end of which is pulled out of the duct from an appropriate place on the downstream side of the duct so that one end can be pushed out and pulled out of the duct. I do. By this, the cleaning tool may be repeatedly reciprocated in the duct until the adhered substance can be removed, and it is of course possible to manually clean the cleaning tool, but it is also possible to perform cleaning periodically and automatically using power. it can.

The cleaning device of the present invention comprises a cleaning tool for cleaning the inside of the duct, a storage recess for the cleaning tool installed in a part of the duct, and a moving means for the cleaning tool. However, it is characterized in that it is divergently installed in the direction of retracting backward with respect to the flow direction of the fluid in the duct. In this case, the storage recess of the cleaning tool is branched and installed at the bent portion of the duct. As a result, the fluid passing through the duct constantly collides violently with the inertia on the inner wall surface on the downstream side of the bent portion of the duct, so that the attached matter easily adheres and accumulates. By keeping
Cleaning work can be easily performed. In addition, the storage recess of the cleaning tool may be branched and installed in the middle of the long straight portion of the duct so as to retreat diagonally backward with respect to the flow direction of the fluid in the duct.

In addition, a discharge port for deposits removed by a cleaning tool is provided in a part of the duct, and is normally closed with a lid. This makes it possible to remove the adhering substances outside the duct and dispose of them without disassembling the duct during cleaning, and to check the state of adhering and removing adhering substances in the duct from this outlet. Usually, it can be closed with a lid and kept so as not to hinder dust collection and fluid flow. In addition, in order to remove the adhered matter removed from the inner wall surface of the duct, in addition to the above-described discharge port, the end wall of the storage recess can be opened and removed from this portion, and if the amount is small, the dust is collected and collected by a dust collector. You may.

Further, vibration applying means may be provided on one or both of a part of the dust collector and a part of the duct, so that the fluid can be normally applied to the inner wall surface of the duct and the filter part of the dust collector. Adherence can be prevented, and even during cleaning, removal of the attached matter by the cleaning tool can be assisted.

[0010] Further, a temperature management adjusting means for suppressing a temperature difference between the inside and outside of the duct may be provided.
It is possible to prevent solidification of the fluid due to dew condensation or high humidity on the inner surface of the duct.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic view showing the entirety of the present invention applied to a rice mill, and FIGS. 2A and 2B show an apparatus of the present invention applied to a bent portion and a straight portion of a duct. FIGS. 3A and 3B are enlarged explanatory views showing an embodiment of the cleaning tool of the present invention.

In FIG. 1, 1 is a rice mill, 2 is a separator,
3 is a dust collector, 4 is a duct, 5 is a cleaning tool, 6 is a storage recess,
Reference numeral 7 denotes a wire, 8 denotes an outlet, and 9 denotes a lid.

The rice mill 1 is supplied with brown rice as appropriate from a supply hopper (not shown), mills the brown rice, produces white rice and rice bran, and sends it to the separator 2. The separator 2
White rice and rice bran are separated, white rice is sent to a storage unit (not shown), and rice bran is sent to a dust collector 3. Duct 4 is a separator 2
A passage for pneumatically transporting the rice bran separated in step (1) to the dust collector 3 is formed.

The dust collector 3 includes an exhaust fan and a filter, and generates exhaust air in the duct 4 by the exhaust fan.
The rice bran separated by the separator 2 is collected and collected through a filter.

The cleaning tool 5 includes, as shown in FIG.
The case where the brush 5a is twisted and bound by a central binding tool 5b such as a wire is illustrated. The brush 5a is made of nylon or other synthetic resin monofilament fibers or stainless steel or other metal filaments which are appropriately bundled. The length of the bristle is made longer than the inner diameter of the duct 4 to be applied by an appropriate amount, and A scraping effect is imparted. If necessary, the entire surface can be made spherical, or as shown in FIG.
The connection may be three or more, or may be a long series.

The storage recess 6 is installed at an appropriate position in the duct 4, but is installed in a direction of retracting backward with respect to the flow direction of the fluid in the duct 4. In this case, the storage recess 6 normally stores the cleaning tool 5 so as not to hinder the flow of the fluid in the duct 4. Therefore, the storage recess 6
In the case of installing in the bent part of the duct 4, as shown in FIG. As a result, since the fluid passing through the duct 4 always violently collides with the inner wall surface on the downstream side of the bent portion of the duct 4 due to inertia, it is easy for deposits to adhere and accumulate. The cleaning operation can be easily performed by installing the storage recessed portion 6. The cleaning tool 5 is located in the middle of the long straight portion of the duct 4.
As shown in FIG. 2B, the storage recess 6 may be branched and installed in a direction in which the storage recess 6 is retracted obliquely rearward with respect to the flow direction of the fluid in the duct 4. The end cover 6a of the storage recess 6 is
It is removable so that it can be opened to perform work when the cleaning tool 5 is replaced or when the feeding direction is changed to the upstream side of the duct 4 in FIG. Note that the end cover 6a of the storage recess 6 is provided.
May be opened at the time of cleaning and used as an outlet for inspecting the inside of the duct 4 and removing the adhered matter removed.

As a means for moving the cleaning tool 5, a wire 7 is connected and pulled out from the end cover of the storage recess 6, which is pushed and pulled during cleaning. Also, as moving means of the cleaning tool 5, towing lines such as a wire 7 or an appropriate string are connected to both front and rear sides of the cleaning tool 5, one end of which is on the storage recess 6 side and the other end is on the downstream side of the duct 4. Pull it out of the duct 4 from the right place and pull it out so that it can be installed. Thus, by repeatedly reciprocating the cleaning tool 5 in the duct 4 until the adhered substance can be removed and rubbing the adhered substance, the adhered substance adhered to the inner wall surface of the duct 4 can be peeled and removed. However, cleaning can be performed periodically and automatically by using power (for example, by pulling out or retracting a wire or a traction cable with a winding drum). The reason for using the wire 7 or the traction cable is that the bending part of the duct 4 is also used to
To allow the inside of the duct 4 to be cleaned smoothly.

Further, a discharge port 8 for deposits removed by the cleaning tool 5 is provided in a part of the duct 4, and is normally closed by a lid 9. Thus, during cleaning, it is possible to remove the attached matter without disassembling the duct 4 and take it out of the duct 4 and discard it. Moreover, the state of attachment and removal of the attached matter in the duct 4 from the outlet 8. Can be checked, and can be normally closed with the lid 9 so as not to hinder the flow of the fluid. The installation position of this outlet 8 is
It may be appropriately installed in consideration of the piping state of the duct 4, for example, it may be located downstream from the installation position of the storage recess 6 of the cleaning tool 5. In addition, you may install in an upstream side.

Further, a vibration applying means (not shown) may be provided on one or both of a part of the dust collector 3 and a part of the duct 4. It can be prevented from adhering to the inner wall surface or the filter part of the dust collector, and the cleaning tool 5 can also help remove the adhering matter even during cleaning.

A temperature control adjusting means (not shown) for suppressing the temperature difference between the inside and outside of the duct 4 may be additionally installed. Adhesion and solidification can be prevented.

The vibration applying means and the temperature control and adjustment means are
It is preferable to use together with the configuration in which the storage recess 6 of the cleaning tool 5 is installed in a part of the duct 4, but these may be installed alone and implemented.

[0022]

Although the cleaning tool 5 is exemplified as a brush, the cleaning tool 5 may be replaced with another cleaning tool, for example, sponge, sponge, pumice stone, abrasive grindstone, or used in combination. Further, the cleaning tool 5 is connected with a leading conductor having a jet nozzle of high-pressure air or high-pressure water (a cleaning agent may be mixed therein) and is propelled by a reaction force of jetting. Is also good. In this case, the wire 7 is used in combination to perform the retraction, but the supply pipe of high-pressure air or high-pressure water may also be used as the retraction unit. Also in this case, the cleaning tool 5 such as a brush and the spray nozzle may be used together.

[0024]

According to the present invention, at the time of cleaning, the cleaning tool can be sent out from the storage recess at any time without disassembling the duct to clean the inside of the duct, and after cleaning, the cleaning tool is stored. Since it can be retracted and stored in the recess, the cleaning tool and the storage recess do not hinder dust collection or the like in normal times. Therefore, for example, every morning, before cleaning, or
Cleaning can be performed every day after work, so that cleaning can be performed in a short time before the amount of deposits increases.

Further, the present invention provides a method for moving the cleaning tool by connecting a wire and pushing or pulling the wire, or as a means for moving the cleaning tool, connecting a tow line on both front and rear sides of the cleaning tool. The cleaning tool is repeatedly moved back and forth in the duct until the adhering matter can be removed by installing the one end to the storage recess side and the other end to be pushed and pulled out of the duct from the appropriate location on the downstream side of the duct so as to be able to be pulled out. Of course, it is possible to perform cleaning manually, but it is also possible to perform cleaning periodically and automatically using power.

[0026] The storage recess of the cleaning tool is installed in a branched manner in a direction of retracting backward with respect to the flow direction of the fluid in the duct. In this case, the storage recess of the cleaning tool is branched and installed at the bent portion of the duct. As a result, the fluid passing through the duct constantly collides violently with the inertia on the inner wall surface on the downstream side of the bent portion of the duct, so that the attached matter easily adheres and accumulates. By keeping
Cleaning work can be easily performed. In addition, the storage recess of the cleaning tool may be branched and installed in the middle of the long straight portion of the duct so as to retreat diagonally backward with respect to the flow direction of the fluid in the duct.

Further, a discharge port for the attached matter removed by the cleaning tool is provided in a part of the duct, and is normally closed with a lid. This makes it possible to remove the adhering substances outside the duct and dispose of them without disassembling the duct during cleaning, and to check the state of adhering and removing adhering substances in the duct from this outlet. It can be closed normally with a lid to keep the flow of the fluid unimpeded. In addition, in order to remove the adhered matter removed from the inner wall surface of the duct, in addition to the above-described discharge port, the end wall of the storage recess can be opened and removed from this portion, and if the amount is small, the dust is collected and collected by a dust collector. You may.

Further, a vibration applying means may be provided on one or both of a part of the dust collector and a part of the duct, so that the fluid can be normally applied to the inner wall surface of the duct and the filter part of the dust collector. Adhesion, clogging and reduction in dust collection efficiency can be prevented, and removal of the attached matter by the cleaning tool can be assisted even during cleaning.

Further, a temperature control and adjustment means for suppressing a difference in temperature between the inside and outside of the duct may be provided.
It is possible to prevent solidification of the fluid due to dew condensation or high humidity on the inner surface of the duct.

[Brief description of the drawings]

FIG. 1 is an overall schematic diagram when the present invention is applied to a rice mill.

FIGS. 2A and 2B are enlarged explanatory views showing an example in which the device of the present invention is applied to a bent portion and a straight portion of a duct.

FIGS. 3A and 3B are enlarged explanatory views showing an embodiment of the cleaning tool of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rice-milling machine 2 Separator 3 Dust collector 4 Duct 5 Cleaning tool 6 Storage recess 7 Wire 8 Discharge port 9 Lid

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-6-320127 (JP, A) JP-A-49-123361 (JP, A) JP-A-1-274888 (JP, A) JP-A-2- 152587 (JP, A) JP-A-7-218306 (JP, A) JP-A-49-23121 (JP, Y1) JP-A-58-35352 (JP, Y1) (58) Fields investigated (Int. ⁷ , DB name) B08B 9/00 B02B 7/00 105

Claims (7)

(57) [Claims] 1. A rice mill for separating rice bran is provided in a rice mill.
A shall, a cleaning tool for cleaning the duct for the rice bran to air transport, is disposed in a part of the duct, the cleaning
Storing the tool, having a storage recess closed with a removable end cover, and having flexibility pulled out from the end cover of the storage recess,
A cleaning device for ducts, comprising moving means for a cleaning tool, wherein the storage recesses are branched and installed in a direction of retracting rearward with respect to a flow direction of rice bran in the duct. 2. A rice mill for separating rice bran is provided.
A shall, a cleaning tool for cleaning the duct for the rice bran to air transport, is disposed in a part of the duct, the cleaning
Storing the tool, having a storage recess closed with a removable end cover, and having flexibility pulled out from the end cover of the storage recess,
Ducts characterized by comprising cleaning means moving means, wherein the storage recesses are divergently installed in the bent portion of the duct in a direction of retracting backward with respect to the flow direction of rice bran in the duct. Cleaning equipment. As moving means wherein cleaning tool, connecting a wire cleaning device of the ducting pulling to claim 1, wherein press it. 4. As a means for moving the cleaning tool, towing lines are connected to the front and rear sides of the cleaning tool, and one end thereof can be pushed and pulled out of the duct from an appropriate position on the downstream side of the duct and the other end to the storage recess side. 3. The apparatus for cleaning ducts according to claim 1 , wherein the apparatus is drawn out and installed. 5. A part of the duct, set up discharge port of the deposit has been removed with the cleaning implement, the normal time, cleaning apparatus according to claim 1 or 2 ducting according is characterized in that is closed by a lid . 6. The apparatus for cleaning ducts according to claim 1 , wherein vibration applying means is provided on one or both of a part of the dust collector and a part of the duct. 7. Also claim 1, characterized in that the temperature control regulating unit suppresses out temperature difference of the duct are installed
Is a cleaning device for ducts described in 2 .