JP3696535B2 - Bamboo powder manufacturing method and manufacturing apparatus, dry distillation bamboo powder and dry distillation component manufacturing method and manufacturing apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method and apparatus for manufacturing bamboo powder, a method and apparatus for manufacturing dry-distilled bamboo powder and components.
[0002]
[Prior art]
Bamboo trunk material processed into powder is weakly alkaline, has excellent antibacterial properties, has excellent deodorizing properties, is rich in medicinal ingredients, minerals It has characteristics such as richness and high nutritional value. In addition, bamboo powder is physically superior in cushioning, moisturizing, water retaining, heat retaining, and fertilizing. It has characteristics such as being.
[0003]
Since bamboo powder has the above-mentioned properties, it is considered to be used in various fields. For example, using antibacterial properties, it is mixed with soil to suppress the growth of weeds (herbicidal effect) or to repel pests. In addition, it can be used as a substitute for earth and sand by using cushioning properties, or it can be used for training horse racetracks by using its excellent moisture retention properties (especially for rehabilitation of broken horses), and it has excellent water retention properties. It can be used for sidewalks in parks, etc., it can be used for mulching green areas using its excellent fertilizer, and it can also be used as a flooring material (bed) in animal breeding. It is also considered for use in the health food field.
[0004]
On the other hand, dry-distilled bamboo powder obtained by dry-distilling bamboo powder is excellent in adsorption capacity for ethylene, formaldehyde, ammonia and the like. In addition, a dry distillation component (dry distillation extract component), for example, bamboo vinegar, which is extracted when bamboo is carbonized, is a condensate of components contained in bamboo powder, and is preferable for efficiently using the bamboo-containing components. It will be a thing. And it is necessary to carbonize sufficiently fine bamboo powder in order to increase the adsorption area of the obtained carbonized bamboo powder to obtain a large adsorption capacity, or to effectively extract the components of carbonization in a short time. This is preferable.
[0005]
[Problems to be solved by the invention]
As described above, bamboo powder can be used in various fields, but in particular, antibacterial components are contained in a large amount in the skin part of the bamboo trunk, while the skin part is composed of the entire bamboo trunk. There is only a small amount. Therefore, it is desired to obtain the powder of the skin part and the powder of the xylem that is a part other than the skin part in a separated state. This means that even when dry-distilled bamboo powder or dry-distilled components are obtained, it is preferable to carry out dry distillation by distinguishing the skin portion from the xylem. In this case, it is desired that the obtained bamboo powder and the bamboo powder to be dry-distilled are sufficiently fine.
[0006]
The present invention has been made in view of the above circumstances, and its first object is to efficiently separate the finely divided skin powder and wood powder from bamboo trunk material. It is an object of the present invention to provide a method and an apparatus for producing bamboo powder that can be obtained.
[0007]
The second object of the present invention is to provide a method and an apparatus for producing a dry-distilled bamboo powder and a dry-distilled component, which are capable of obtaining a sufficiently refined dry-distilled bamboo powder and its dry-distilled component.
[0008]
[Means for Solving the Problems]
In order to achieve the first object, the following solution is adopted in the method for manufacturing bamboo powder according to the present invention. That is, as described in claim 1 in the claims,
A bamboo powder manufacturing method for manufacturing a powder of a skin part and a powder of a wood part which is a part other than the skin part from a bamboo trunk material whose outer peripheral surface shape is substantially cylindrical,
A first step of grinding the surface of bamboo trunk that has been naturally dried in advance to obtain a powder of the skin part;
After the first step, a second step of obtaining a plate-like bamboo material having a substantially arc-shaped cross section by dividing the bamboo trunk material into a plurality of substantially equal intervals in the circumferential direction;
After the second step, a third step of crushing the plate-like bamboo material and processing it into a powder;
With
The third step comprises
A fourth step of obtaining the first chip piece by crushing the plate-like bamboo material with a rotationally driven cutter;
After the fourth step, the first chip piece is crushed by rubbing the first chip piece against the first screen plate having a predetermined size with a first pressing piece that is driven to rotate. A fifth step of obtaining a finer second chip piece that has been passed through the plate;
After the fifth step, the second chip piece is crushed by rubbing against a second screen plate having finer mesh than the first screen plate by a second pressing piece that is rotationally driven. A sixth step of obtaining a powder that has passed through the second screen plate by:
Consists of,
It ’s like that.
[0009]
According to the above-described solution technique, the surface of the bamboo trunk material having a substantially cylindrical shape is scraped off by grinding, whereby an extremely fine skin part powder can be obtained efficiently. In addition, the bamboo trunk material that became only the xylem after removing the skin part by grinding is divided into a plurality of pieces in the circumferential direction in advance to obtain a plate-like bamboo material that has been made into a substantially plate shape. Therefore, even a small crushing apparatus can efficiently obtain a sufficiently fine xylem powder. By the way, when the bamboo trunk material having a substantially cylindrical shape and high rigidity and strength is crushed as it is, a large burden is placed on the crushing apparatus, and the crushing apparatus must be enlarged.
[0010]
In addition to the above, since the bamboo trunk used in the first step is naturally dried in advance, the water contained in the bamboo is sufficiently removed to facilitate grinding and crushing, and a grinding apparatus. In addition, it is preferable to prevent the bamboo material from sticking to the inside of the crushing apparatus and further to the system path in the middle of the transfer. Moreover, the powder of the xylem finally obtained can be made extremely fine while minimizing the crushing step and using a small crushing apparatus.
[0011]
A preferred mode based on the above solution is as set forth in claims 2 and 3 in the claims. That is,
A hopper for storing the powder obtained in the sixth step, and a suction device connected to the hopper,
The first tip piece obtained in the fourth step is transferred to the fifth step using the air suction force by the suction device, and the second tip piece obtained in the fifth step is the sixth step. And the powder obtained in the sixth step is transferred to the hopper.
(Claim 2). In this case, it is possible to automatically perform the transfer from the fourth step, through the fifth step, the sixth step, and finally storing the bamboo (wood part) powder in the hopper by pneumatic transportation. Become. Also, it is preferable to prevent the bamboo material from leaking outside until it is finally stored in the hopper.
[0012]
Further, in the second step, the bamboo trunk can be divided into four or more in the circumferential direction (corresponding to claim 3). In this case, it is preferable to make the bamboo trunk as a flat plate shape as narrow as possible to facilitate subsequent crushing.
[0013]
In order to achieve the first object, the following solution is adopted in the bamboo powder manufacturing apparatus according to the present invention. That is, as described in claim 4 in the scope of claims,
A bamboo powder production apparatus for producing powder of a skin part and powder of a wood part which is a part other than the skin part from a bamboo trunk material whose outer peripheral surface shape is substantially cylindrical,
A first station that is equipped with a grinding device and grinds the surface of bamboo trunk that has been naturally dried beforehand by the grinding device to obtain powder of the skin part;
A bamboo trunk material that is equipped with a cutter device and that has passed through the first station is divided into a plurality of substantially equal intervals in the circumferential direction to obtain a plate-like bamboo material having a substantially arc-shaped cross section. The second station,
A third station, equipped with a crushing device, for crushing the plate-like bamboo after passing through the second station into a powder;
With
The third station is
A fourth crusher equipped with a first crushing device having a supply port and a rotationally driven cutter, crushing the plate-like bamboo material supplied from the supply port and processing it into a first chip piece;
A second crushing device having a first screen plate having a predetermined size of eyes and a first pressing piece that is rotationally driven is provided, and the first chip piece after passing through the fourth station is A fifth station for performing crushing by rubbing against the first screen plate with one pressing piece to obtain a finer second chip piece that has passed through the first screen plate;
A third crushing device having a second screen plate having an eye smaller than that of the first screen plate and a second pressing piece that is driven to rotate is installed, and the first chip piece after passing through the fifth station is provided. A sixth station for obtaining powder that has passed through the second screen plate by crushing by rubbing against the second screen plate with the second pressing piece;
Consists of,
It is like that. According to the apparatus of the present invention, an apparatus for carrying out the manufacturing method of the present invention is provided.
[0014]
Preferred embodiments based on the above solution are as described in claims 5 and 6 in the claims. That is,
A hopper and suction means;
The hopper, the third crushing device, the second crushing device, and the first crushing device are sequentially connected in series from the side closer to the suction unit to the side farther from the suction unit, and the suction unit is The first chip piece obtained by the first crushing device is transferred to the second crushing device by the air suction action of sucking air from the supply port of the 1 crushing device, and obtained by the second crushing device. The chip piece is transferred to the third crushing device, and the powder obtained by the third crushing device is transferred to the hopper.
(Corresponding to claim 5). In this case, an apparatus for pneumatic transport of bamboo is provided.
[0015]
In the manufacturing apparatus described above,
The grinding apparatus may include an endless annular sand paper that is wound between a pair of pulleys and is driven to rotate through the pulleys (corresponding to claim 6). In this case, it is possible to easily and reliably grind the surface of the bamboo trunk material that is not smooth, while preventing the situation where the surface of the bamboo trunk material is unnecessarily deeply ground. Of course, since sandpaper is used, it is inexpensive as a grinding device, and the fineness of the powder of the skin portion can be easily changed simply by changing to sandpaper having a different roughness.
[0016]
In the manufacturing apparatus described above,
The cutter device installed in the second station is
Holding means for holding the bamboo trunk material so as to be movable in the predetermined axial direction at a position extended in the predetermined axial direction;
A plurality of cutter pieces arranged radially at intervals in the circumferential direction around the predetermined axis;
A pressing means for reciprocatingly driving the bamboo trunk held by the holding means from one end of the trunk and pressing against the cutter piece from the other end;
(Claim 7). In this case, a plate-like bamboo material can be obtained automatically only by holding the bamboo trunk material on the holding means at a timing when the pressing means is separated from the cutter piece.
[0017]
In order to achieve the second object, in the method for producing dry-distilled bamboo powder and dry-distilled components in the present invention, on the premise of the solution for achieving the first object, respectively, as follows: is there. That is, as the first solution technique, as described in claim 8 in the claims,
The method further comprises a seventh step of obtaining a dry-distilled bamboo powder after dry distillation and a dry-distilled component extracted by dry distillation by dry-distilling the powder of the skin portion obtained in the first step. . Thereby, sufficiently fine dry-distilled bamboo powder and its dry-distilled components can be obtained for the skin portion.
[0018]
Moreover, in the manufacturing method of the dry distillation bamboo powder and dry distillation component in this invention, it is as follows as the 2nd solution method. That is, as described in claim 9 in the claims,
The method further includes an eighth step of obtaining a dry-distilled bamboo powder after dry distillation and a dry-distilled component extracted by dry distillation by dry-distilling the xylem powder obtained in the third step. . Thereby, the sufficiently fine dry-distilled bamboo powder and its dry-distilled component about a xylem can be obtained.
[0019]
Furthermore, in the manufacturing method of the dry distillation bamboo powder and the dry distillation component in the present invention, the third solution is as follows. That is, as described in claim 10 in the claims,
A seventh step of obtaining a dry-distilled bamboo powder after dry distillation and a dry-distilled component extracted by dry distillation by dry-distilling the powder of the skin part obtained in the first step;
An eighth step of obtaining a dry distillation component after dry distillation and a dry distillation component extracted by dry distillation by dry distillation of the powder of the xylem obtained in the third step;
Is further provided. As a result, a sufficiently fine dry-distilled bamboo powder and its components for the skin portion, and a sufficiently fine dry-distilled bamboo powder and its dry-distilled components for the xylem can be obtained.
[0020]
In order to achieve the second object, in the production apparatus for dry-distilled bamboo powder and dry-distilled components in the present invention, on the premise of the solution for achieving the first object, respectively, as follows: is there. That is, as a first solution technique, as described in claim 11 in the claims,
The seventh station is provided with a carbonization apparatus, and the powder of the skin portion obtained at the first station is carbonized with the carbonization apparatus to obtain a carbonized bamboo powder that has been carbonized and a carbonization component extracted by carbonization. Furthermore, it is prepared. Thereby, sufficiently fine dry-distilled bamboo powder and its dry-distilled components can be obtained for the skin portion.
[0021]
Moreover, in the manufacturing apparatus of the dry-distilled bamboo powder and dry-distilled component in this invention, it is as follows as the 2nd solution method. That is, as described in claim 12 in the claims,
Eighth station for obtaining a dry distillation component extracted by dry distillation and dry distillation bamboo powder by dry distillation with the dry distillation device, equipped with a dry distillation device and dry distillation of the xylem powder obtained in the third station Furthermore, it is prepared. Thereby, the sufficiently fine dry-distilled bamboo powder and its dry-distilled component about a xylem can be obtained.
[0022]
Furthermore, in the apparatus for producing dry-distilled bamboo powder and dry-distilled components in the present invention, the third solution is as follows. That is, as described in claim 13 in the scope of claims,
It further comprises a station equipped with a carbonization device, and by this carbonization device, carbonization of the skin powder obtained at the first station and the wood powder obtained at the third station, A station for obtaining dry-distilled bamboo powder and dry-distilled components extracted by dry distillation is further provided. As a result, a sufficiently fine dry-distilled bamboo powder and its components for the skin portion, and a sufficiently fine dry-distilled bamboo powder and its dry-distilled components for the xylem can be obtained.
[0023]
DETAILED DESCRIPTION OF THE INVENTION
In FIG. 1 and FIG. 2, a bamboo trunk cut from a bamboo forest is cut into a predetermined length (for example, a length of about 2 m to 3 m) so as to be easily handled by an operator, and is naturally dried for a predetermined period. Is done. The degree of drying ranges from a state where the surface of the cut bamboo trunk material is green to an extent where the surface changes from yellow to brown.
[0024]
The surface of the naturally dried bamboo trunk 1 is ground by the grinding device 10 at the first station S1 (first step). Thereby, the powder 1A of the skin part is obtained, and the bamboo trunk material 2 from which the skin part has been removed (peeled) is obtained. In the embodiment, the grinding apparatus 10 uses an endless annular sand paper 12 wound between a pair of pulleys 11 as an abrasive.
[0025]
The peeled bamboo trunk 2 is divided into a plurality of substantially equal intervals in the circumferential direction by the cutter device 20 in the second station S2 as the second step (in the embodiment, divided into four), and the cross section is A plurality of thin plate-like bamboo members 3 having a substantially arc shape are obtained (second step).
[0026]
The plate-like bamboo 3 is subjected to a crushing action by the first crushing device 30, the second crushing device 40, and the third crushing device 50 in the third station S3 and processed into powder (third step). The powder is finally stored in the hopper 60. The third station S3 includes a fourth station S4 (fourth step) having the first crushing device 30, a fifth station S5 (fifth step) having the second crushing device 40, and a sixth station having the third crushing device 50. It consists of three stations in S6 (sixth step).
[0027]
The first crushing device 30 equipped in the four station S4 includes a casing 31 and a cutter 32 disposed in the casing 31 and driven to rotate. The casing 31 has a supply port 31a and a discharge port 31b, and has an airtight structure except for the supply port 31a and the discharge port 31b. The plate-like bamboo material 3 is introduced into the supply port 31 from one longitudinal end thereof, and is crushed by the cutter 32 in the casing 31 to form the first chip piece 4. The size of the first chip piece 4 is about 5 mm square. Note that the cutter 32 is simply illustrated by a broken line in FIG.
[0028]
In the embodiment, the first crushing device 30 described above is a self-propelled type in which the engine 34 is mounted on the vehicle body having the caterpillar 33 and can travel by the engine 34. And when crushing, the engine 34 is utilized as a drive source for rotationally driving the cutter 32. The reason why the first crushing device 30 is self-propelled is that the first crushing device 30 can be moved to or near the bamboo forest to perform processing for obtaining the first chip piece 4.
[0029]
The first chip piece 4 is transferred from the discharge port 31b of the casing 31 to the fifth station S5, that is, the second crushing device 40 by pneumatic transportation described later. The second crushing device 40 includes a first screen plate 41 having a predetermined roughness, a first pressing piece 42 that is rotationally driven, and a first casing 43 that surrounds the members 41 and 42. . The casing 43 has an inlet 43a to which the first chip piece 4 is supplied and an outlet 43b. The casing 43 has an airtight structure except for both the ports 43a and 43b.
The screen plate 41 defines an entrance 43 a and a discharge port 43 b, and the pressing piece 42 is positioned closer to the entrance 43 a than the first screen plate 41.
[0030]
The first pressing piece 42 slides with respect to the first screen plate 41 by the rotation thereof, and performs a kind of pestle (mortar) action. The first chip piece 4 supplied to the second crushing device 40 is rubbed against the first screen plate 41 by the first pressing piece 42 and becomes finer. The second chip piece 5 having a predetermined size or less passes through the eye of one screen plate 41. The second chip piece 5 is about 2 to 3 mm square, but it can be made fine until it is almost fibrous.
[0031]
The second chip piece 5 is transferred from the discharge port 41b of the first casing 41 to the sixth station S6, that is, the third crushing device 50 by pneumatic transportation described later. The third crushing device 50 includes a second screen plate 51 having a predetermined roughness, a second pressing piece (cutter) 52 that is rotationally driven, and a second casing 53 that surrounds the members 51 and 52. ing. The casing 53 has an inlet 53a and a discharge port 53b, and has an airtight structure except for both the ports 53a and 53b. The second screen plate 51 defines an inlet 53a and a discharge port 53b, and the second pressing piece 42 is positioned closer to the inlet 53a than the second screen plate 51.
[0032]
The roughness of the second screen plate 51 is sufficiently smaller (finer) than the roughness of the first screen plate 41. The second screen plate 51 has an annular shape and is detachably attached to the second casing 53, and is driven to rotate while the second pressing piece slides on the inner peripheral surface thereof. ing.
[0033]
The second pressing piece 52 slides with respect to the second screen plate 51 by its rotation, and acts as a kind of pestle (mortar) (although simplified in the drawing, The second pressing piece 52 also performs a revolving motion and is sequentially slid on the entire inner peripheral surface of the second screen plate 51). The second chip piece 5 supplied to the third crushing device 50 is rubbed against the second screen plate 51 by the second pressing piece 52 and becomes finer. 2 It passes through the eyes of the screen plate 51 and becomes powder 6 (powder of only the xylem) having a predetermined size or less. The size of the powder 6 is about 0.7 mm to 1.5 mm, but the size of the obtained powder 6 is changed by exchanging with the second screen plate 51 having different eye roughness. Can do.
[0034]
The powder 6 is finally transferred from the discharge port 53b of the casing 53 to the hopper 60 and stored in the hopper 60 by pneumatic transportation described later. By opening the opening / closing lid 61 provided at the lower portion of the hopper 60, the stored powder 6 can be taken out. The hopper 60 has a connection port 62 in the vicinity of the bottom thereof. When the opening / closing lid 61 is closed, the hopper 60 has an airtight structure except for the connection port 62 and the entrance 60a.
[0035]
A suction device 70 (a suction port thereof) is connected to a connection port 62 of the hopper 60 via a filter 71. The filter 71 has an eye size that allows air to pass but does not allow the powder 6 to pass.
[0036]
For the air transportation described above, the outlet 31 b of the casing 31 in the first crushing device 30 and the inlet 43 a of the casing 43 in the second crushing device 40 are airtightly connected by the first connection pipe 81. Further, the outlet 43 b of the casing 43 in the second crushing device 40 and the inlet 53 a of the casing 53 in the third crushing device 50 are airtightly connected by a second connection pipe 82. Further, the outlet 53 b of the casing 53 and the inlet 60 a of the hopper 60 in the third crushing device 50 are airtightly connected by a third connection pipe 83.
[0037]
When the suction device 70 is operated in a state where the open / close lid 61 of the hopper 60 is closed due to the connection relationship by the connection pipes 81 to 83 described above, air is sucked from the supply port 31a of the casing 31 in the first crushing device 30, The first chip piece 4 processed by the first crushing apparatus 30 is transferred to the second crushing apparatus 40 via the first connection pipe 81, and the second chip piece 5 obtained by the second crushing apparatus 40 is second connected. It is transferred to the third crushing device 50 through the pipe 82, and the powder 6 obtained by the third crushing device 50 is transferred to the hopper 60 through the third connection pipe 83. Thus, the crushing by each crushing apparatus 30, 40, 50 is performed simultaneously, and the bamboo crushed by each crushing apparatus is automatically transferred to the next processing step.
[0038]
Next, a specific example of the grinding apparatus 10 will be described with reference to FIG. The grinding apparatus 10 has a cradle 13 whose upper surface is elongated in a substantially horizontal direction, and sandwiches the cradle 13 from the width direction, and a sand paper 11 and a pressing body 14 are disposed. The pressing body 14 has a circular outer peripheral surface and is rotationally driven by a motor (not shown). The pressing body 14 has an axis of rotation extending parallel to the longitudinal direction of the cradle 13 and abuts from above obliquely so as to be orthogonal to the bamboo trunk 1 placed on the cradle 13. Is done. By such a pressing body 14, the bamboo trunk 1 is pressed so as not to be separated from the cradle 13, and a rotational force in the circumferential direction is applied to the bamboo trunk 1. As a result, the bamboo trunk 1 on the cradle 13 is ground by the sand paper 11 while rotating in the circumferential direction.
[0039]
In the embodiment, the movement of the bamboo trunk 1 in the longitudinal direction is performed by an operator. For example, the pressing body 14 is arranged to be inclined with respect to the longitudinal direction of the bamboo trunk 1. Thus, it is possible to automate the feeding of the bamboo trunk material 1 in the longitudinal direction by applying the rotational force and the feeding force in the longitudinal direction by the pressing body 14.
[0040]
4 and 5 show specific examples of the cutter device 20. The cutter device 20 includes a base 21 extending in the horizontal direction, a cutter portion 22 fixedly disposed at one end of the base 21, and a pressing body (pressing means) 23 that is held in a reciprocating manner with respect to the base 21. And a cradle (holding means) 24 for holding the bamboo trunk 2 in a substantially horizontal direction.
[0041]
The cutter unit 22 has an annular holding body 25. A plurality of (eight in the embodiment) protruding cutter attachment pieces 25a are integrally formed on the inner surface side of the holding body 25 at substantially equal intervals in the circumferential direction. Each cutter piece mounting piece portion 25a extends radially about a predetermined axis J, but the cutter 26 (cutter piece) is fixed to a total of four cutter mounting piece portions 25a in the circumferential direction by a fixing tool 26. 27) is attached. The four cutters 27 extend radially at substantially equal intervals in the circumferential direction of the axis J.
[0042]
A pair of sprockets 28 is disposed in the base 21 with a gap in the longitudinal direction, and a chain 29 is wound between the pair of sprockets 28. The aforementioned pressing body 23 is connected to the chain 28. At least one of the sprockets 28 is driven to rotate forward and backward by a motor (not shown), whereby the pressing body 23 slides (guides) with respect to the base 21 and the cutter unit. 22 is approached and separated.
[0043]
The bamboo trunk 2 is placed on the cradle 24 in a state where the pressing body 23 is largely separated from the cutter unit 22. In this state, the bamboo trunk 2 is in a posture that extends in the direction of the axis J, and in this state, the positional relationship as shown by the one-dot chain line in FIG. In other words, the bamboo trunk 2 does not interfere with the cutter mounting piece 25a in the axis J direction, but has a positional relationship with the cutter 27.
[0044]
When the pressing body 23 is moved toward the cutter unit 22, the bamboo trunk 2 is pressed from one end side thereof, and is divided into four at substantially equal intervals in the circumferential direction by the cutter 26 from the other end side. The plate-like bamboo material 3 described above is obtained. The cross-section of the plate-like bamboo material 3 divided in the circumferential direction is substantially arc-shaped, but if the cutter 27 is attached to all the cutter attachment piece portions 25a, the bamboo trunk material 2 will be eight plate-like bamboo materials 3 Will be processed.
[0045]
Here, the skin powder 1A and the wood powder 6 obtained as described above were subjected to dry distillation in the dry distillation apparatus 90 shown in a simplified manner in FIG. 6 and extracted by dry distillation bamboo powder and dry distillation. A dry distillation component is obtained. During dry distillation, each powder 1A, 6 is stored in a predetermined container, and dry distillation is performed at a predetermined temperature for a predetermined time. in this case,
Each powder 1A and 6 can be carbonized simultaneously by the same carbonization apparatus 90, but it is preferable to perform the carbonization at different timing while using the same carbonization apparatus 90. By setting the dry distillation timing of the powders 1A and 6 to different times, at least one of the dry distillation time and the dry distillation temperature is made different so as to perform the optimal dry distillation according to the contained components, This is preferable for obtaining a clear separation between the skin portion and the wood portion. The process in the dry distillation apparatus 90 corresponds to the seventh step or the eighth step (station).
[0046]
Although the embodiment has been described above, the present invention is not limited to this, and includes, for example, the following cases. The grinding apparatus 10 is not limited to the use of sand paper, but can be selected as appropriate using a grindstone. The cutter device 20 may adopt an appropriate structure as long as it can divide the bamboo trunk 2 at substantially equal intervals in the circumferential direction. The number of divisions in the circumferential direction of the bamboo trunk 2 is preferably 4 or more in order to facilitate subsequent crushing.
[0047]
The number of crushing devices constituting the crushing step (number of crushing processes) is not limited to the three processes shown in the embodiment, but may be two or less processes or four or more processes (for example, a crushing process using a screen plate). In order to pulverize sufficiently finely so that almost no fibrous material is mixed, it is preferable to provide two or more crushing steps using a screen plate.
[0048]
As the 1st crushing apparatus 10, the thing of appropriate structures, such as what has one rotation cutter, and what has a plurality of rotation cutters, can be adopted. Of course, it may be a fixed installation type as well as a mobile type as shown in the embodiment. Of course, the object of the present invention is not limited to what is explicitly stated, but also implicitly includes providing what is substantially preferred or expressed as an advantage.
[0049]
【The invention's effect】
According to the present invention, it is possible to efficiently obtain a sufficiently fine skin powder and wood powder from a bamboo trunk in a state where they are separated from each other. Moreover, it becomes possible to use a small-sized crushing device.
Furthermore, according to the present invention, it is possible to obtain dry-distilled bamboo powder and its dry-distilled components that are sufficiently fined for the skin and xylem.
[Brief description of the drawings]
FIG. 1 is a simplified explanatory view showing processes of a first step and a second step of the present invention.
FIG. 2 is a simplified explanatory diagram showing a process of a third step of the present invention.
FIG. 3 is a diagram showing a specific example of a grinding apparatus.
FIG. 4 is a front view showing details of a cutter unit provided in the cutter device.
FIG. 5 is a simplified side view showing the entire cutter apparatus.
FIG. 6 is a simplified side view showing an example of a carbonization apparatus.
[Explanation of symbols]
1: Bamboo trunk (with skin)
1A: Powder of skin part
2: Bamboo trunk (with the skin removed)
3: Plate bamboo
4: First chip piece
5: Second chip piece
6: Wood powder
10: Grinding equipment
11: Pulley
12: Sandpaper
20: Cutter device
22: Cutter holder
27: Cutter
23: Pressing body
24: Holder
28: Sprocket
29: Chain
30: First crusher
31: Casing
31a: supply port
31b: Discharge port
32: Cutter
40: Second crusher
41: First screen plate
42: 1st press body
43: Casing
43a: Entrance
43b: Discharge port
50: Third crusher
51: Second screen plate
52: Second pressing body
53: Casing
53a: Entrance
53b: outlet
60: Hopper
70: Suction device
81: First connection pipe
82: Second connection pipe
83: Third: Connection pipe
90: Carbonization apparatus
S1: First station
S2: Second station
S3: Third station
S4: 4th station
S5: Station 5
S6: 6th station
J: predetermined axis of the cutter device

Claims (13)

A bamboo powder manufacturing method for manufacturing a powder of a skin part and a powder of a wood part which is a part other than the skin part from a bamboo trunk material whose outer peripheral surface shape is substantially cylindrical,
A first step of grinding the surface of bamboo trunk that has been naturally dried in advance to obtain a powder of the skin part;
After the first step, a second step of obtaining a plate-like bamboo material having a substantially arc-shaped cross section by dividing the bamboo trunk material into a plurality of substantially equal intervals in the circumferential direction;
After the second step, a third step of crushing the plate-like bamboo material and processing it into a powder;
Bei to give a,
The third step comprises
A fourth step of obtaining the first chip piece by crushing the plate-like bamboo material with a rotationally driven cutter;
After the fourth step, the first chip piece is crushed by rubbing the first chip piece against the first screen plate having a predetermined size with a first pressing piece that is driven to rotate. A fifth step of obtaining a finer second chip piece that has been passed through the plate;
After the fifth step, the second chip piece is crushed by rubbing against a second screen plate having finer mesh than the first screen plate by a second pressing piece that is rotationally driven. A sixth step of obtaining a powder that has passed through the second screen plate by:
A method for producing bamboo powder, comprising: In claim 1 ,
A hopper for storing the powder obtained in the sixth step, and a suction device connected to the hopper,
The first tip piece obtained in the fourth step is transferred to the fifth step using the air suction force by the suction device, and the second tip piece obtained in the fifth step is the sixth step. And the powder obtained in the sixth step is transferred to the hopper.
A method for producing bamboo powder characterized by the above. In claim 1 or claim 2 ,
In the second step, the bamboo trunk material is divided into four or more parts in the circumferential direction. A bamboo powder production apparatus for producing powder of a skin part and powder of a wood part which is a part other than the skin part from a bamboo trunk material whose outer peripheral surface shape is substantially cylindrical,
A first station that is equipped with a grinding device and grinds the surface of bamboo trunk that has been naturally dried beforehand by the grinding device to obtain powder of the skin part;
A bamboo trunk material that is equipped with a cutter device and that has passed through the first station is divided into a plurality of substantially equal intervals in the circumferential direction to obtain a plate-like bamboo material having a substantially arc-shaped cross section. The second station,
A third station, equipped with a crushing device, for crushing the plate-like bamboo after passing through the second station into a powder;
Bei to give a,
The third station is
A fourth crusher equipped with a first crushing device having a supply port and a rotationally driven cutter, crushing the plate-like bamboo material supplied from the supply port and processing it into a first chip piece;
The second crushing device is equipped to have a the first screen plate and rotationally driven first pressing piece is having an eye of a predetermined size, said first chip piece after passing through the fourth station, the A fifth station for performing crushing by rubbing against the first screen plate with a first pressing piece to obtain a finer second chip piece that has passed through the first screen plate;
A third crushing device having a second screen plate having an eye smaller than that of the first screen plate and a second pressing piece that is driven to rotate is installed, and the first chip piece after passing through the fifth station is provided. A sixth station for obtaining powder that has passed through the second screen plate by crushing by rubbing against the second screen plate with the second pressing piece;
An apparatus for producing bamboo powder characterized by comprising: In claim 4 ,
A hopper and suction means;
The hopper, the third crushing device, the second crushing device, and the first crushing device are sequentially connected in series from the side closer to the suction unit to the side farther from the suction unit, and the suction unit is The first chip piece obtained by the first crushing device is transferred to the second crushing device by the air suction action of sucking air from the supply port of the 1 crushing device, and obtained by the second crushing device. The chip piece is transferred to the third crushing device, and the powder obtained by the third crushing device is transferred to the hopper.
An apparatus for producing bamboo powder characterized by the above. In claim 4 or claim 5 ,
An apparatus for producing bamboo powder, characterized in that the grinding device has endless annular sand paper that is wound between a pair of pulleys and driven to rotate through the pulleys. In any one of Claims 4 thru | or 6 ,
The cutter device installed in the second station is
Holding means for holding the bamboo trunk material so as to be movable in the predetermined axial direction at a position extended in the predetermined axial direction;
A plurality of cutter pieces arranged radially at intervals in the circumferential direction around the predetermined axis;
A pressing means for reciprocatingly driving the bamboo trunk held by the holding means from one end of the trunk and pressing against the cutter piece from the other end;
An apparatus for producing bamboo powder characterized by comprising: In any one of Claims 1 thru | or 3 ,
The method further comprises a seventh step of obtaining a dry-distilled bamboo powder after dry distillation and a dry-distilled component extracted by dry distillation by dry-distilling the powder of the skin part obtained in the first step. A method for producing dry-distilled bamboo powder and dry-distilled components. In any one of Claims 1 thru | or 3 ,
The method further comprises an eighth step of obtaining a dry-distilled bamboo powder after dry distillation and a dry-distilled component extracted by dry distillation by dry-distilling the xylem powder obtained in the third step. A method for producing dry-distilled bamboo powder and dry-distilled ingredients. In any one of Claims 1 thru | or 3 ,
A seventh step of obtaining a dry-distilled bamboo powder after dry distillation and a dry-distilled component extracted by dry distillation by dry-distilling the powder of the skin part obtained in the first step;
An eighth step of obtaining a dry distillation component after dry distillation and a dry distillation component extracted by dry distillation by dry distillation of the powder of the xylem obtained in the third step;
A method for producing dry-distilled bamboo powder and dry-distilled components, further comprising: In any one of Claims 4 thru | or 6 ,
The seventh station is provided with a carbonization apparatus, and the powder of the skin portion obtained at the first station is carbonized with the carbonization apparatus to obtain a carbonized bamboo powder that has been carbonized and a carbonization component extracted by carbonization. Furthermore, the manufacturing apparatus of the dry distillation bamboo powder and the dry distillation component characterized by the above-mentioned. In any one of Claims 4 thru | or 6 ,
Eighth station for obtaining a dry distillation component extracted by dry distillation and dry distillation bamboo powder by dry distillation with the dry distillation device equipped with a dry distillation device and dry distillation of the xylem powder obtained in the third station Furthermore, the manufacturing apparatus of the dry distillation bamboo powder and the dry distillation component characterized by the above-mentioned. In any one of Claims 4 thru | or 6 ,
It further comprises a station equipped with a carbonization device, and by this carbonization device, carbonization of the skin powder obtained at the first station and the wood powder obtained at the third station, An apparatus for producing dry-distilled bamboo powder and dry-distilled components, further comprising a station for obtaining dry-distilled bamboo powder and dry-distilled components extracted by dry distillation.

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