JP2005273047A - Fiberization method by blasting treatment of sugar cane or the like - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To readily obtain a fiber from sugar cane, kenaf, Sasa albo-marginata, etc., irrespective of length in a large amount by treatment of one cycle. <P>SOLUTION: Sugar cane, kenaf, Sasa albo-marginata, etc., is placed in the inside of a pressure can body A, steam at ≥100°C and pressure correspond to it are generated in the inside of the pressure can body A, then blasting treatment is performed by carrying out operation for instantaneously releasing pressure in the pressure can body A once or several times. The treatment time is about 1-2 hours. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention makes it easy to use textiles, cotton, building materials, automotive interior materials, barrier-free products, chemicals, and oil products as a substitute for textiles, which have a wide range of uses, from sugar millet, kenaf, daiji, kumagai, etc. It relates to the technology to remove and the technology to easily peel the skin of sugar millet, kenaf, donjii, kumaga, etc.
In other words, sugar millet, kenaf, daiji, kumagi, etc. are placed in a sealed pressure can space, and heated steam is sent into the space to maintain a constant pressure for a certain period of time. The process of lowering the internal pressure is carried out once or a plurality of times, and the resulting fibers such as sugar millet, kenaf, donjii, kumabuchi are processed by an open fiber machine to be fiberized.

  Conventionally, as a method of taking out bamboo fiber from natural bamboo, bamboo is made into a strip-shaped bamboo piece, then fed into a spreader, and the strip-like bamboo piece between the impeller of the spreader and the opened fine groove A technique is known in which bamboo fibers that have been opened to a predetermined diameter are sorted out by a screen attached to the peripheral surface of the opening machine (see Patent Document 1).

In addition, bamboo fiber is reacted with alkali and carbon disulfide by the method using bamboo fiber, dissolved in caustic soda as alkali lysate, spun, and the bamboo fiber is solidified and regenerated. A manufacturing method is known (see Patent Document 2).
Moreover, the prior application regarding the method of taking out bamboo fiber by explosion is made by the same applicant (Japanese Patent Application No. 2002-333570).

JP 2000-71209 A JP 2001-115347 A

  The object of the present invention is to solve the various problems of the conventional means as described above, in the case where fibers are easily taken out, and sugar cane, kenaf, donjii, other than bamboo. It is easy to take out the fiber from a bear or the like regardless of the length, and to take out a large amount by one cycle of processing.

In addition, since the hard skin of the sugar millet is easily peeled off by the blasting treatment, the work of squeezing when obtaining the raw material of the sugar becomes easy.
Further, since the peeled skin is soft and fibrous due to the blasting treatment, it is reused for other raw materials, and the disposal amount is reduced to less than half.
The present invention does not require an operation process of pulverizing from a material as in the conventional method, and only a large amount of material is set in a pressure can body at one time. Therefore, it is possible to provide a new processing means that can be easily taken out and the fiber manufacturing cost is low.

The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described.
In claim 1, sugar millet, kenaf, daiji, kumagoi, etc. are arranged in the inside of the pressure can body, water vapor of 100 ° C. or more and pressure corresponding thereto are generated in the inside of the pressure can body, Explosive treatment is performed by performing an operation to release the pressure in the pressure can body A instantaneously once or a plurality of times, and the treatment time is about 1 to 2 hours, and fibers are taken out regardless of the length by the treatment. It is the fiberization method by the explosion processing of sugar mill etc. characterized by these.

  In claim 2, sugar millet, kenaf, daiji, kumagoi, etc. are arranged inside the pressure can body, and in the inside of the pressure can body, water vapor of 100 ° C. or higher and a pressure corresponding thereto are generated. Explosive treatment is carried out by releasing the pressure in the pressure can body A once or multiple times, and the treatment time is about 1 to 2 hours. The skin of sugar millet, kenaf, donjii, kumaga, etc. It is the fiberization method by the explosion processing of sugar mill etc. characterized by exfoliating.

Since the present invention is configured as described above, the following effects can be obtained.
As described in claim 1, sugar millet, kenaf, donjii, kumagi etc. are put in a sealed space, heated steam is sent into the space, kept at a constant pressure for a certain time, and then suddenly Since the process of lowering the pressure in the space is performed once or multiple times, it has the chemical and mechanical properties inherent to fibers such as sugar millet, kenaf, daiji, kumabuchi, etc. Easy fibers can be obtained.
In addition, unlike conventional methods, it is not necessary to take steps such as a vertical splitting process using sugar mills, kenaf, donjii, and bears, etc., and a grinding process for taking out the fibers. In addition to shortening the working time, a large amount of fibers can be taken out at one time regardless of the length, so that the fiber manufacturing cost can be reduced.

  As described in claim 2, the step of putting bamboo in a sealed space, sending heated steam into the space, maintaining a constant pressure for a certain period of time, and thereafter rapidly reducing the pressure in the space. Since it is processed once or multiple times, it has the chemical and mechanical properties inherent to fibers such as sugar millet, kenaf, donjii, and kumabuchi, and can be easily peeled off.

Next, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a perspective view showing a blasting apparatus for sugar millet, kenaf, donjii, kumagi, and the like.
A silencer 22 is connected to the upper part of the pressure can body A of the blasting treatment apparatus via a valve for releasing the pressure in the can body. This silencer 22 is for reducing the sound generated at the time of sudden pressure release.
In addition, a control command panel 21 is arranged on the side of the fiberizing apparatus for blasting sugar cane and the like constituted by the pressure can body A, and the number of times of blasting and the pressure in the pressure can body A Temperature, pressurization time, etc. can be set.

FIG. 2 is a perspective view of a state in which sugar millet is set on the inner cart of the blasting treatment apparatus.
Inside the pressure can body A, a rail is provided that allows the inner cart 20 to move, and the inner cart 20 can move in and out on the rail. A handrail is arranged on the can carriage 20 and the sugar millet 1 remains in a round state at a position between the handrails, and is cut into a predetermined length to form a plurality (in a bundle). It is placed.

FIG. 3 is a perspective view of a state in which a can inner trolley and sugar millet are set in a pressure can of the blasting treatment apparatus.
The sugar mill 1 placed on the can inner trolley 20 is moved into the pressure can body A together with the can inner trolley 20, and the lid 19 of the pressure can body A is tightened to form a sealed container.
Then, water vapor is ejected into the pressure can body A, the temperature and pressure in the can are set, and the treatment by explosion is performed.
The processing conditions are shown in “Table 1” and “Table 2” described later.
In the case of “Table 1”, the explosion process is performed 8 times in 2 hours and 17 minutes. The temperature is between 129 ° C and 174 ° C. The degree of vacuum is about 765 Torr to 80 Torr in the previous vacuum. Then, the process is started from that state.
In the blasting treatment, after reaching a predetermined vacuum level and reaching a predetermined temperature, the blasting treatment is repeatedly blasted at regular intervals or left for a predetermined time, and then repeatedly blasted again. When the interval of the blasting process is short, it is performed every 6 to 7 minutes.

In the case of the blasting process of “Table 2”, the blasting process is performed five times in one hour and 14 minutes.
In the pre-vacuum, the pressure is increased from 765 Torr to 300 Torr, and then the temperature is raised to 140 to 170 ° C., the pressure is applied, and the explosion is performed instantaneously. The interval between repeated explosions is about 6 to 7 minutes.
The time required for opening and closing the release valve is about 5 seconds.

FIG. 4 is a perspective view of sugar millet after the blasting treatment.
As can be seen in the drawing, the sugar millet 1 is taken out in a state where the appearance is swollen by explosion.
FIG. 5 is a perspective view of a state where sugar milling is squeezed after the explosion treatment.
In this embodiment, the sugar mill 1 after the blasting treatment is squeezed by passing it through a squeezing roller of a squeezing machine 18 to obtain a sap rich in sugar.
FIG. 6 is a drawing showing a state after squeezing of the crushed sugar millet.
And since the sugar millet 1 squeezed through the squeezing roller of the squeezing machine 18 is pressed in a flat shape, it is then put into a fiber opening machine (van obner) 17.

FIG. 7 is a perspective view showing a state in which the sugar mill after squeezing is put into the opening fiber machine, and FIG. 8 is a perspective view of the sugar milling fiber at the exit portion from the opening machine.
By passing the sugar mill 1 after the explosion through the squeezing roller of the squeezing machine 18 and the opening fiber machine 17, the sugar millet 1 becomes fibrous as shown in FIG. 8.
FIG. 9 is a perspective view showing sugar mill fibers after treatment.

  In the present invention, a material such as sugar millet, kenaf, donjii, and kumagi is placed in the pressure can body A, water vapor is jetted, the temperature in the pressure can body A to be processed is 100 ° C. or higher, and the fibers and fibers are separated. Heat is applied to the lignin layer, which plays a role of anchoring, and a pressure corresponding to the temperature in the can is generated in the pressure can body A. -It is a method of taking out the fibers by decomposing only the lignin layer without damaging the fibers such as kenaf, donjii, and bear.

As a feature of this method, sugar millet, kenaf, porridge is changed by changing the processing temperature and pressure in the can of pressure can body A and the processing conditions such as the number of times (one or more times) of instantaneous opening. -It is a point that can explode bears and take out fiber.
The processing time of one treatment is about 1 to 2 hours, and it was confirmed by the experiment of this invention that fibers such as sugar millet, kenaf, daiji, and kumabuchi, which are long in the fiber direction, can be taken out.
The method of taking out the fiber of the above invention, as in the past, from the materials such as sugar millet, kenaf, donjii, kumagi, etc., it is not necessary to take steps such as a vertical splitting process by a crusher, a crushing process to take out the fiber, In addition to being easy and easy for the operator to operate, the working time is shortened and a large amount of fibers can be taken out at any time, regardless of the length. It is.

An example of this processing method is shown below.
As an example, as a result of blasting a sugar millet having a length of 600 mm and a diameter of 40 mm using a small tester under the conditions of a blasting temperature of 173 ° C. and a blasting frequency of 6 times, a length of 600 mm was obtained in a processing time of about 1 hour. I was able to take out the fiber. Furthermore, the sugar millet skin was soft and easy to peel.
In this method, it has been confirmed that a large amount of fiber can be taken out at a low cost and long in the fiber direction.

  The fibers such as sugar millet, kenaf, donjii, and kumagai can be used for filters and carpets. And white fiber can also be obtained by decoloring the fibers of sugar millet, kenaf, donjii, kumagi, and the like that have become cottony. White fibers can be molded while being white and can be colored easily. And it becomes possible to shape | mold after coloring a white fiber.

Fibers such as sugar millet, kenaf, donjii, and kumagi have a deodorizing effect, deodorization, and antibacterial action, and can be used as various filters. Sugar millet, kenaf, donjii, and kumagi are natural products that have been used in the living environment for a long time. And the molded object comprised with this fiber has little influence on an environment in a manufacturing process and disposal compared with a petrochemical product.
For this reason, the fiber product processed without reducing the characteristics of the fiber can be used for various applications such as various filters for automobiles, sheet fabrics, and fiber parts for FRP. Similarly, it has a high silicon content as a material for office automation equipment, home appliances, building materials, clothing, medical equipment, medical office equipment and supplies, barrier-free supplies, oil products, tatami mats, Japanese paper, wallpaper, and artworks. Therefore, it has a wide range of uses as a nonwoven fabric that protects the environment, such as abrasives.
The present invention can provide a processed bamboo fiber product that can be taken out and molded without damaging the fibers such as sugar millet, kenaf, ginkgo, and bear and thus sufficiently draws out the characteristics of the fibers.

The perspective view which shows the explosive processing apparatus of sugar millet, kenaf, donjii, and kumabuchi. The perspective view of the state which set sugar millet to the cart in a can of a blasting processing device. The perspective view of the state which set the trolley | bogie inside a can and sugar millet in the pressure can body of a blasting processing apparatus. The perspective view of the sugar millet after a blasting process. The perspective view of the state which is squeezing sugar millet after a blasting process. Drawing which shows the state after squeezing of the crushed sugar millet. The perspective view which shows the state which throws the sugar millet after drawing into an open fiber machine. The perspective view of the sugar millet fiber in the exit part from an opening fiber machine. The perspective view which shows the fiber of the sugar millet after a process.

Explanation of symbols

A Pressure can 1 Sugar cane 17 Opening machine 18 Drawing machine 19 Lid 20 Can inside bogie 21 Control command panel 22 Silencer

Claims (2)

  Sugar millet, kenaf, daiji, kumagoi, etc. are placed inside the pressure can body, and within the pressure can body A, water vapor of 100 ° C or higher and a corresponding pressure are generated, and then the pressure can is instantaneously Sugar millet characterized in that it is subjected to an explosion treatment by performing an operation of releasing pressure in the body once or a plurality of times, the treatment time is about 1 to 2 hours, and fibers are taken out regardless of the length by the treatment. A fiberizing method by blasting treatment.   Sugar millet, kenaf, daiji, kumagoi, etc. are placed inside the pressure can body, and within the pressure can body A, water vapor of 100 ° C or higher and a corresponding pressure are generated, and then the pressure can is instantaneously Explosive treatment is performed by releasing the pressure in the body once or multiple times, and the treatment time is about 1 to 2 hours, and the skin such as sugar millet, kenaf, donjii, and kumagi is peeled off. A fiberization method by explosive treatment of sugar millet and so on.

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