JPH0852429A - Refining of volcanic ash and granular body classifier - Google Patents
Refining of volcanic ash and granular body classifierInfo
- Publication number
- JPH0852429A JPH0852429A JP19047994A JP19047994A JPH0852429A JP H0852429 A JPH0852429 A JP H0852429A JP 19047994 A JP19047994 A JP 19047994A JP 19047994 A JP19047994 A JP 19047994A JP H0852429 A JPH0852429 A JP H0852429A
- Authority
- JP
- Japan
- Prior art keywords
- volcanic ash
- sieve
- ash
- water
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007670 refining Methods 0.000 title claims description 11
- 238000005406 washing Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 52
- 239000008187 granular material Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 29
- 239000002904 solvent Substances 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 14
- 238000001556 precipitation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 62
- 239000004927 clay Substances 0.000 abstract description 18
- 239000002244 precipitate Substances 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011593 sulfur Substances 0.000 abstract description 3
- 229910052717 sulfur Inorganic materials 0.000 abstract description 3
- 230000008774 maternal effect Effects 0.000 abstract 1
- 239000002352 surface water Substances 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 18
- 230000003287 optical effect Effects 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 9
- 239000013049 sediment Substances 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- -1 dead leaves Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、火山灰の精製方法、
及び、この精製方法において使用される粒体の分級装置
に関する。This invention relates to a method for purifying volcanic ash,
Also, the present invention relates to an apparatus for classifying particles used in this purification method.
【０００２】[0002]
【従来の技術】近年、セラミックの赤外線放射特性が注
目されており、この特性を健康維持、加熱調理の補助、
植物育成の補助等に利用している。2. Description of the Related Art In recent years, attention has been paid to the infrared radiation characteristics of ceramics.
It is used to support plant growth.
【０００３】この種の従来のセラミックは、人工的に製
造されており、Ａｌ2 Ｏ3 、ＭｎＯ2 、Ｆｅ2 Ｏ3 等を
混合して、この混合物を焼成したものである。あるい
は、この焼成したものを粉砕して、その粉体を利用した
り、更に顆粒を生成して、この顆粒を利用することもあ
る。This type of conventional ceramic is artificially manufactured, and is obtained by mixing Al 2 O 3 , MnO 2 , Fe 2 O 3 and the like and firing the mixture. Alternatively, the fired product may be crushed and the powder may be used, or granules may be further generated and used.
【０００４】[0004]
【発明が解決しようとする課題】ところで、セラミック
の表面が粗い程、その赤外線放射率が高くなることは、
周知の事実である。したがって、焼成された固形状のも
のよりも、粉体や顆粒の方が好ましく、効果の期待も大
きい。By the way, the rougher the surface of ceramic, the higher the infrared emissivity is
It is a well-known fact. Therefore, powders and granules are preferable to those obtained by firing and the effects are expected to be greater.
【０００５】しかしながら、粉体や顆粒のものは、一旦
焼成されたものを粉砕するから、手間が掛かり、コスト
の低減が困難である。しかも、放射率の向上を計るに
は、より細かく粉砕するしかないので、コストの低減を
望めなくなる。However, powders and granules require a lot of work and cost reduction because they are crushed once fired. Moreover, the only way to improve the emissivity is to pulverize it more finely, so it is impossible to expect a reduction in cost.
【０００６】また、粉体や顆粒だけでなく、表面が粗
く、様々な大きさのものを形成するには、その製造工程
が更に複雑化する。Further, in order to form not only powders and granules but also those having a rough surface and various sizes, the manufacturing process thereof is further complicated.
【０００７】このような理由から、赤外線放射率の向
上、コストの低減、製品の多様化を共に実現することは
困難であり、セラミックの赤外線放射特性の適用範囲の
拡大が妨げられていた。For these reasons, it is difficult to improve the infrared emissivity, reduce the cost, and diversify the products, and it has been difficult to expand the range of application of the infrared emission characteristics of ceramics.
【０００８】そこで、第１発明の課題は、赤外線放射率
が高い火山灰から様々な大きさの粒体を得るための火山
灰の精製方法を提供することにある。Therefore, an object of the first invention is to provide a method for purifying volcanic ash for obtaining granules of various sizes from volcanic ash having a high infrared emissivity.
【０００９】また、第２発明の課題は、この精製方法に
おいて火山灰の粒体をその大きさに応じて選別するのに
最適な粒体の分級装置を提供することにある。A second object of the present invention is to provide a particle classifying apparatus which is optimum for selecting the particles of volcanic ash according to their size in this refining method.
【００１０】[0010]
【課題を解決するための手段】上記課題を解決するため
に、第１発明の火山灰の精製方法においては、火山灰を
加熱する加熱工程と、加熱された火山灰を冷却した後、
この火山灰を目の大きさが異なる各篩に順次かけて、こ
の火山灰を粒体の大きさが異なるそれぞれのクラスに分
級する分級工程とを備えている。In order to solve the above problems, in the method for purifying volcanic ash of the first invention, a heating step of heating the volcanic ash and a step of cooling the heated ash,
This volcanic ash is sequentially applied to each sieve having different mesh sizes to classify the volcanic ash into respective classes having different particle sizes.
【００１１】また、火山灰を溶剤に混入して、この溶剤
を分級工程の各篩にかけ、これらの篩には、音波を発生
するそれぞれの発音体を配置している。Further, volcanic ash is mixed in a solvent and the solvent is applied to each sieve of the classification step, and each of the sieves is provided with a sounding body for generating a sound wave.
【００１２】さらに、火山灰を液槽内で洗浄し、この液
槽内の火山灰の沈殿を利用して、この火山灰を粒体の大
きさが異なるそれぞれのクラスに分級する洗浄工程を備
え、加熱工程は、洗浄工程で分級された各クラス毎に、
これらのクラスの火山灰を加熱し、分級工程は、各篩に
よって分級された各クラスと、洗浄工程で分級された各
クラスを対応させて、同じ大きさの粒体を持つ各クラス
の火山灰を混合している。Furthermore, a heating step is provided, in which the volcanic ash is washed in the liquid tank, and the precipitation of the volcanic ash in the liquid tank is used to classify the volcanic ash into different classes having different particle sizes. Is for each class classified in the washing process,
By heating the volcanic ash of these classes, the classifying process mixes the classes classified by each sieve with the classes classified in the washing process, and mixes the volcanic ash of each class with the same size granules. are doing.
【００１３】次に、第２発明の粒体の分級装置において
は、篩と、この篩の目の大きさに応じた周波数の音波を
該篩に対して発生する発音体とを備えるている。Next, the granular material classifying apparatus of the second invention is equipped with a sieve and a sounding body for generating sound waves of a frequency corresponding to the size of the mesh of the sieve.
【００１４】[0014]
【作用】上記第１発明の火山灰の精製方法によれば、加
熱工程で火山灰を加熱している。この加熱により、火山
灰に含まれる水分、有機物、硫黄等が除去され、この火
山灰が様々な大きさの粒体に分離し易くなる。これに引
き続く分級工程では、火山灰を目の大きさが異なる各篩
に順次かけて、この火山灰を粒体の大きさが異なるそれ
ぞれのクラスに分級する。こうして細粒化された粒体
は、火山灰に特有の多孔質性を破壊されずに済み、その
表面が粗い。このため、粒体が非常に細かくても、高い
赤外線放射率を持つ。According to the volcanic ash refining method of the first invention, the volcanic ash is heated in the heating step. By this heating, water, organic matter, sulfur and the like contained in the volcanic ash are removed, and the volcanic ash is easily separated into particles of various sizes. In the subsequent classification step, the volcanic ash is sequentially passed through sieves having different mesh sizes to classify the volcanic ash into respective classes having different particle sizes. The granules thus fine-grained have a rough surface without destroying the porosity peculiar to volcanic ash. Therefore, even if the particles are very fine, they have a high infrared emissivity.
【００１５】また、火山灰を溶剤に混入して、この溶剤
を分級工程の各篩にかけ、各篩には、音波を発生するそ
れぞれの発音体を配置している。この音波により、溶剤
に混入している火山灰の粒体が活性化され、この粒体が
篩の目を速やかに通る。Further, volcanic ash is mixed in a solvent, and the solvent is applied to each sieve of the classification step, and each sounding body for generating a sound wave is arranged on each sieve. The sound waves activate the granules of volcanic ash mixed in the solvent, and the granules quickly pass through the sieve mesh.
【００１６】さらに、洗浄工程を備えても良く、この場
合には、火山灰を液槽内で洗浄し、この液槽内の火山灰
の沈殿を利用して、この火山灰を粒体の大きさが異なる
それぞれのクラスに分級する。これに伴い、加熱工程で
は、洗浄工程で分級された各クラス毎に、これらのクラ
スの火山灰を加熱し、分級工程では、各篩によって分級
された各クラスと、洗浄工程で分級された各クラスを対
応させて、同じ大きさの粒体を持つ各クラスの火山灰を
混合する。すなわち、火山灰の各クラスへの分級を分級
工程だけでなく、洗浄工程でも行い、洗浄工程における
各クラスの火山灰と、分級工程における各クラスの火山
灰を同じ大きさの粒体を持つクラス同士で混合してい
る。これにより、火山灰の分級が効率的に行われる。Further, a washing step may be provided. In this case, the volcanic ash is washed in the liquid tank and the precipitation of the volcanic ash in the liquid tank is used to make the volcanic ash have different particle sizes. Classify into each class. Along with this, in the heating step, the volcanic ash of these classes is heated for each class classified in the cleaning step, and in the classification step, each class classified by each sieve and each class classified in the cleaning step are classified. Corresponding to each other, the volcanic ash of each class having the same size granules is mixed. That is, classification of volcanic ash into each class is performed not only in the classification process but also in the cleaning process, and the volcanic ash of each class in the cleaning process and the volcanic ash of each class in the classification process are mixed between classes having the same size of granules. are doing. As a result, the classification of volcanic ash is efficiently performed.
【００１７】次に、第２発明の粒体の分級装置では、篩
と発音体を備え、この発音体は、この篩の目の大きさに
応じた周波数の音波を該篩に対して発生する。これによ
り、先に述べたと同様に、篩の目を通る大きさの粒体が
活性化されて、この大きさの粒体が篩の目を速やかに通
る。Next, the granular material classifying apparatus of the second invention comprises a sieve and a sounding body, and this sounding body generates a sound wave of a frequency corresponding to the size of the mesh of the sieve to the sieve. . As a result, in the same manner as described above, the granules of the size passing through the mesh of the sieve are activated, and the granules of this size quickly pass through the mesh of the sieve.
【００１８】[0018]
【実施例】以下、この発明の実施例を添付図面を参照し
て説明する。ここでは、第１発明の火山灰の精製方法の
一実施例において、第２発明の粒体の分級装置の一実施
例を適用しているので、これらの精製方法及び分級装置
を一緒に説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, since one embodiment of the classifying device for granules of the second invention is applied to one embodiment of the method for purifying volcanic ash of the first invention, these refining method and classifying device will be described together.
【００１９】なお、この実施例の精製方法では、目の大
きさが異なる複数の篩を利用するので、これらの篩の仕
様を次の表に示しておく。In the refining method of this embodiment, a plurality of sieves having different mesh sizes are used, and the specifications of these sieves are shown in the following table.
【００２０】[0020]
【表１】 [Table 1]
【００２１】さて、この実施例の精製方法では、次の様
な各工程が順次行われる。In the refining method of this embodiment, the following steps are sequentially carried out.
【００２２】〔採取工程〕火山近郊の現場において、火
山灰を上記表におけるNo．４の篩にかけ、φ５ｍｍ未満
の粒体を採取する。この採取されたものを原料灰と称す
る。[Collecting process] At the site near the volcano, volcanic ash was taken from No. 1 in the above table. Sieve through No. 4 and collect particles with a diameter of less than 5 mm. This collected material is called raw ash.
【００２３】〔第１洗浄工程〕原料灰を図１に示すよう
な第１水槽１に投入して攪拌する。この第１水槽１は、
水位計２、水温計３、沈殿物確認用の光センサー４、ド
レインコック５を備えている。[First Cleaning Step] Raw ash is put into a first water tank 1 as shown in FIG. 1 and stirred. This first aquarium 1
A water level gauge 2, a water temperature gauge 3, an optical sensor 4 for confirming sediment, and a drain cock 5 are provided.
【００２４】この第１水槽１の水温は、水温計３によっ
て計測され、常に２５℃に保持される。これは、水槽内
の原料灰の沈殿速度を一定にするためであり、同一の沈
殿状態を繰り返し再現するのに必要である。The water temperature of the first water tank 1 is measured by a water thermometer 3 and is constantly maintained at 25 ° C. This is to make the sedimentation rate of the raw ash in the water tank constant, and is necessary to repeatedly reproduce the same sedimentation state.
【００２５】原料灰の投入攪拌から１時間程待機する
と、原料灰に含まれる枯れ葉、木片、小動物の糞等の不
純物が上層に浮くので、この上層の水を排水して、これ
らの不純物を捨て去る。When the material ash is put and agitated for about 1 hour, impurities such as dead leaves, wood chips, and small animal dung contained in the material ash float on the upper layer. Therefore, the water in the upper layer is drained and these impurities are discarded. .
【００２６】この後、第１水槽１の水を再び攪拌する。
そして、一定時間（例えば１分）を経過し、光センサー
４によって沈殿物の存在が検出されると、ドレインコッ
ク５を僅かの時間だけ開けて、第１水槽１の底の沈殿物
を採取する。この沈殿物は、１分間で堆積したものであ
るから、粒体の径が大きく、φ２５０μｍ〜φ５ｍｍの
粗砂利及び小砂利であって、上記表におけるNo．１６，
６０の各篩によって採取されるものと同一である。After that, the water in the first water tank 1 is stirred again.
Then, when a certain time (for example, 1 minute) has passed and the presence of the precipitate is detected by the optical sensor 4, the drain cock 5 is opened for a short time to collect the precipitate on the bottom of the first water tank 1. . Since this precipitate was deposited in 1 minute, the diameter of the granules was large, and it was coarse gravel and small gravel of φ250 μm to φ5 mm. 16,
Identical to that collected by each of the 60 sieves.
【００２７】このφ２５０μｍ〜φ５ｍｍの粗砂利及び
小砂利を採取してから、ドレインコック５を一旦閉め
る。このとき、第１水槽１に残存する粒体は、φ２５０
μｍ未満である。そして、ドレインコック５を再び開け
て、第１水槽１の水を図２に示すような第２水槽６に移
す。After collecting the coarse gravel and small gravel of φ250 μm to φ5 mm, the drain cock 5 is once closed. At this time, the particles remaining in the first water tank 1 have a diameter of 250
It is less than μm. Then, the drain cock 5 is opened again, and the water in the first water tank 1 is transferred to the second water tank 6 as shown in FIG.
【００２８】したがって、ここでは、原料灰をφ２５０
μｍ〜φ５ｍｍの粗砂利及び小砂利と、φ２５０μｍ未
満の粒体に分級し、前者の粗砂利及び小砂利を採取し、
後者の粒体を水と共に第２水槽６に移している。Therefore, here, the raw ash is φ250.
Classifying into coarse and small gravel of μm to φ5 mm and particles of less than φ250 μm, collecting the former coarse and small gravel,
The latter granules are transferred to the second water tank 6 together with water.
【００２９】〔第２洗浄工程〕第１水槽１の水は、図２
に示す第２水槽６に移されると、１２時間だけ放置され
る。[Second Cleaning Step] The water in the first water tank 1 is as shown in FIG.
When it is moved to the second water tank 6 shown in FIG.
【００３０】この第２水槽６には、第１水槽１と同様
に、水位計７、水温計８、沈殿物確認用の光センサー
９、ドレインコック１１が設けられ、更に水の汚濁の程
度を検出する光センサー１２が付設されている。Similar to the first water tank 1, the second water tank 6 is provided with a water level gauge 7, a water temperature gauge 8, an optical sensor 9 for confirming sediments, and a drain cock 11 to further check the degree of water contamination. An optical sensor 12 for detecting is attached.
【００３１】この第２水槽６の水温も、２５℃に保持さ
れ、これにより水槽内の粒体の沈殿速度を一定にしてい
る。The water temperature of the second water tank 6 is also maintained at 25 ° C., so that the sedimentation rate of the particles in the water tank is kept constant.
【００３２】この第２水槽６では、１２時間の放置によ
り、φ６３μｍ〜φ２５０μｍの細砂が沈殿して堆積
し、φ６３μｍ未満の粒体が第２水槽６の水に浮遊す
る。このときの沈殿物が光センサー９によって検出さ
れ、汚濁の程度が光センサー１２によって検出されるの
で、これらの光センサーによる検出を確認してから、ド
レインコック１１を僅かの時間だけ開けて、沈殿物であ
る細砂を採取する。In this second water tank 6, fine sand of φ63 μm to φ250 μm is settled and deposited by leaving it for 12 hours, and particles of less than φ63 μm float in the water in the second water tank 6. The precipitate at this time is detected by the optical sensor 9 and the degree of contamination is detected by the optical sensor 12. Therefore, after confirming the detection by these optical sensors, the drain cock 11 is opened for a short time to settle the precipitate. The fine sand that is the object is collected.
【００３３】なお、この細砂は、φ６３μｍ〜φ２５０
μｍであるから、上記表におけるNo．２３５の篩によっ
て採取されるものと同一である。The fine sand has a diameter of φ63 μm to φ250.
Since it is μm, No. Identical to that collected by the 235 sieve.
【００３４】このφ６３μｍ〜φ２５０μｍの細砂を採
取した直後に、ドレインコック１１を一旦閉めて、第２
水槽６内の水を残す。このとき、第２水槽６に残存する
粒体は、φ６３μｍ未満である。そして、ドレインコッ
ク１１を再び開けて、第２水槽６の水を第３水槽へと移
す。Immediately after collecting the fine sand of φ63 μm to φ250 μm, the drain cock 11 is closed once, and the second
The water in the aquarium 6 is left. At this time, the particles remaining in the second water tank 6 are less than φ63 μm. Then, the drain cock 11 is opened again, and the water in the second water tank 6 is transferred to the third water tank.
【００３５】したがって、ここでは、φ６３μｍ〜φ２
５０μｍの細砂と、φ６３μｍ未満の粒体に分級され、
前者の細砂が採取され、後者の粒体が第３水槽に移され
る。Therefore, here, φ63 μm to φ2
Classified into 50 μm fine sand and particles less than φ63 μm,
The fine sand of the former is collected and the granules of the latter are transferred to the third water tank.
【００３６】〔第３洗浄工程〕第３水槽は、図２に示す
第２水槽６と同様の構成であり、その水温が２５℃に保
持される。[Third Cleaning Step] The third water tank has the same structure as the second water tank 6 shown in FIG. 2, and the water temperature thereof is maintained at 25 ° C.
【００３７】この第３水槽では、第２水槽６の水を移し
た時点から、７２時間だけ放置される。この７２時間の
放置により、φ６３μｍ未満のシルト及び粘土が沈殿し
て堆積する。この堆積したシルト及び粘土や、汚濁の程
度がそれぞれの光センサによって検出され、これらを確
認してから、ドレインコックを僅かの時間だけ開けて、
シルト及び粘土を採取する。In the third water tank, the water in the second water tank 6 is left for 72 hours after the water is transferred. By leaving for 72 hours, silt and clay having a diameter of less than 63 μm precipitate and accumulate. The accumulated silt and clay, and the degree of pollution are detected by each optical sensor, and after confirming these, open the drain cock for a short time,
Collect silt and clay.
【００３８】このφ６３μｍ未満のシルト及び粘土を採
取すれば、第３水槽の水は、捨て去られる。If the silt and clay with a diameter of less than 63 μm are collected, the water in the third water tank is discarded.
【００３９】なお、堆積したφ６３μｍ未満のシルト及
び粘土は、上記表におけるNo．４４０の篩によって分級
されるものと同一である。The deposited silt and clay having a diameter of less than 63 μm are the same as those of Nos. Identical to that classified by a 440 sieve.
【００４０】〔加熱工程〕 〔第１洗浄工程〕、〔第２洗浄工程〕及び〔第３洗浄工
程〕で分級されたφ２５０μｍ〜φ５ｍｍの粗砂利及び
小砂利、φ６３μｍ〜φ２５０μｍの細砂、φ６３μｍ
未満のシルト及び粘土は、それぞれ別々に加熱処理され
る。[Heating Step] Coarse gravel and small gravel of φ250 μm to φ5 mm, fine sand of φ63 μm to φ250 μm, φ63 μm classified by [first washing step], [second washing step] and [third washing step]
The silts and clays below are heat treated separately.
【００４１】この加熱処理は、電気炉によって行われ、
５５０℃の炉内で、２０Ｋｇのものを２時間だけ加熱す
る。この後、電気炉から取り出して、乾燥室内で、２４
時間をかけて自然冷却する。This heat treatment is performed by an electric furnace,
In a furnace at 550 ° C., 20 kg is heated for 2 hours. After that, remove from the electric furnace and place in a drying chamber for 24 hours.
Cool naturally over time.
【００４２】この加熱処理によって、粗砂利、小砂利、
細砂、シルト及び粘土という粒体から水分が除去され、
不純物が燃焼する。この水分の除去や不純物の燃焼は、
粒体を構成する更に細かな複数の粒体の結合を弱めて、
これらの粒体を分解し易くする。つまり、粒体を構成す
る更に細かな複数の粒体は、架橋構造によって結合して
いるが、この架橋構造が水分や不純物の除去によって壊
れ易くなる。By this heat treatment, coarse gravel, small gravel,
Water is removed from the granules of fine sand, silt and clay,
Impurities burn. This removal of water and combustion of impurities
Weaken the bond of multiple finer particles that make up the particles,
It facilitates the decomposition of these granules. That is, a plurality of finer particles forming the particles are bonded by a cross-linking structure, but the cross-linking structure is easily broken by the removal of water and impurities.
【００４３】〔第１分級工程〕 〔第１洗浄工程〕で分級され、〔加熱工程〕で加熱され
たφ２５０μｍ〜φ５ｍｍの粗砂利及び小砂利は、図３
に示すような第２発明の一実施例であるホッパー２１に
投入される。[First Classifying Step] The coarse gravel and small gravel of φ250 μm to φ5 mm classified in the [first cleaning step] and heated in the [heating step] are shown in FIG.
It is put into the hopper 21 which is an embodiment of the second invention as shown in FIG.
【００４４】このホッパー２１は、漏斗型であり、その
上側の開口部に先の表におけるNo．１６の篩（符号２２
によって示される）が配置され、この開口部が蓋２３に
よって閉じられる。The hopper 21 is of a funnel type, and the opening on the upper side thereof has the No. 16 sieves (reference numeral 22)
), And this opening is closed by the lid 23.
【００４５】この蓋２３の裏面には、合計１２個の超音
波振動子２４が配設されている。超音波発振器２５は、
超音波信号を発振し、この超音波信号を各超音波振動子
２４に加える。これらの超音波振動子２４は、下方に向
かって、つまり篩２２に向かって超音波を発音する。こ
れらの超音波振動子２４から発音される超音波の周波数
は、２８ＫＨｚであり、これらの超音波振動子２４の消
費電力は、６００Ｗである。On the back surface of the lid 23, a total of 12 ultrasonic transducers 24 are arranged. The ultrasonic oscillator 25
The ultrasonic signal is oscillated, and this ultrasonic signal is applied to each ultrasonic transducer 24. These ultrasonic transducers 24 generate ultrasonic waves downward, that is, toward the sieve 22. The frequency of the ultrasonic waves generated from these ultrasonic oscillators 24 is 28 KHz, and the power consumption of these ultrasonic oscillators 24 is 600 W.
【００４６】このホッパー２１の底には、沈殿物排出孔
２６が設けられており、この排出孔２６がドレインコッ
ク２７によって開閉される。また、このホッパー２１の
側壁にも、溶剤排出孔２８が設けられており、この排出
孔２８がドレインコック２９によって開閉される。A sediment discharge hole 26 is provided at the bottom of the hopper 21, and the discharge hole 26 is opened and closed by a drain cock 27. A solvent discharge hole 28 is also provided on the side wall of the hopper 21, and the discharge hole 28 is opened and closed by a drain cock 29.
【００４７】このホッパー２１の外周には、吸熱管３１
が配設されている。この吸熱管３１には、冷却用コンプ
レッサ３２からの冷媒が送り込まれ、この冷媒が吸熱管
３１から放熱管（図示せず）に流れて、冷却用コンプレ
ッサ３２に戻される。これにより、ホッパー２１が冷却
される。On the outer circumference of the hopper 21, a heat absorbing tube 31 is provided.
Is provided. The refrigerant from the cooling compressor 32 is sent to the heat absorbing pipe 31, and the refrigerant flows from the heat absorbing pipe 31 to a heat radiating pipe (not shown) and is returned to the cooling compressor 32. As a result, the hopper 21 is cooled.
【００４８】このホッパー２１は、φ６０ｃｍ、高さ５
０ｃｍの大きさで、この内側には、１８０リットルの溶
剤（炭化水素系、芳香族）が貯められている。この溶剤
の液位、液温、汚濁の程度を検出するために、このホッ
パー２１には、液位計３３、液温計３４、光センサー３
５が設けられている。また、このホッパー２１には、沈
殿物確認用の光センサー３６も設けられている。This hopper 21 has a diameter of 60 cm and a height of 5
The size is 0 cm, and 180 liters of solvent (hydrocarbon type, aromatic) is stored inside. In order to detect the liquid level, the liquid temperature, and the degree of contamination of the solvent, the hopper 21 has a liquid level gauge 33, a liquid thermometer 34, and an optical sensor 3
5 are provided. The hopper 21 is also provided with an optical sensor 36 for confirming the deposit.
【００４９】ここでは、ホッパー２１に溶剤を貯めて、
No．１６の篩２２を配置してから、この篩２２に、先に
述べたφ２５０μｍ〜φ５ｍｍの粗砂利及び小砂利を５
Ｋｇだけ投入する。これにより、篩２２内で、５Ｋｇの
粗砂利及び小砂利が溶剤に混入する。Here, the solvent is stored in the hopper 21,
No. After arranging 16 sieves 22, 5 pieces of the above-mentioned coarse gravel and small gravel of φ250 μm to φ5 mm are placed on this sieve 22.
Add only Kg. As a result, 5 Kg of coarse gravel and small gravel are mixed in the solvent in the sieve 22.
【００５０】この後、蓋２３を閉じ、超音波発振器２５
を作動させて、蓋２３の裏面の各超音波振動子２４を駆
動する。これらの超音波振動子２４からの音波によっ
て、溶剤に混在する粗砂利及び小砂利が振動し、この振
動に促されて、粗砂利及び小砂利に含まれるφ１ｍｍ未
満の粒体が篩２２の目を通って沈殿し、ホッパー２１の
底に堆積する。After this, the lid 23 is closed and the ultrasonic oscillator 25
To drive each ultrasonic transducer 24 on the back surface of the lid 23. The sound waves from the ultrasonic vibrators 24 vibrate the coarse gravel and the small gravel mixed in the solvent, and the vibrations promote the particles contained in the coarse gravel and the small gravel and having a diameter of less than 1 mm to the mesh of the sieve 22. Pass through and settle on the bottom of the hopper 21.
【００５１】ここで、各超音波振動子２４からの音波の
周波数は、先に述べたように２８ＫＨｚである。この周
波数２８ＫＨｚは、篩２２の目の径φ１ｍｍに応じて定
められたものであり、このφ１ｍｍに近い大きさの粒体
を効率的に刺激する。これにより、粗砂利及び小砂利に
含まれるφ１ｍｍ未満の粒体が篩２２の目を通り易くな
る。Here, the frequency of the sound wave from each ultrasonic transducer 24 is 28 KHz as described above. This frequency of 28 KHz is determined according to the diameter φ1 mm of the sieve 22, and efficiently stimulates the particles having a size close to φ1 mm. As a result, the particles having a diameter of less than 1 mm contained in the coarse gravel and the small gravel easily pass through the mesh of the sieve 22.
【００５２】また、先に述べた加熱処理によって、粒体
を構成する更に細かな複数の粒体の結合が弱められてい
るので、篩２２内の粗砂利及び小砂利は、音波の刺激を
受けて、細かく分解される。この結果、φ１ｍｍ未満の
粒体が新たに生成され、この新たな粒体も篩２２の目を
通ってホッパー２１の底に堆積する。Further, since the above-mentioned heat treatment weakens the bonding of a plurality of finer particles constituting the particles, the coarse gravel and the small gravel in the sieve 22 are stimulated by a sound wave. It is broken down into small pieces. As a result, particles with a diameter of less than 1 mm are newly generated, and the new particles also pass through the mesh of the sieve 22 and are deposited on the bottom of the hopper 21.
【００５３】こうしてホッパー２１の底に堆積したφ１
ｍｍ未満の粒体は、ホッパー２１の沈殿物排出孔２６の
ドレインコック２７を開けて取り出される。また、篩２
２内に残ったφ１ｍｍ〜φ５ｍｍの粗砂利は、この篩２
２から採取される。Φ1 thus deposited on the bottom of the hopper 21
Granules less than mm are taken out by opening the drain cock 27 of the sediment discharge hole 26 of the hopper 21. Also, sieve 2
The coarse gravel of φ1 mm to φ5 mm remaining in 2 is
Collected from 2.
【００５４】したがって、ここでは、φ１ｍｍ〜φ５ｍ
ｍの粗砂利と、φ１ｍｍ未満の粒体に分級される。前者
の粗砂利は、採取され、後者の粒体は、この〔第１分級
工程〕に引き続く〔第２分級工程〕に移される。Therefore, here, φ1 mm to φ5 m
m coarse gravel and particles less than φ1 mm. The former coarse gravel is collected, and the latter granules are transferred to the [second classification step] subsequent to this [first classification step].
【００５５】一方、各超音波振動子２４からの音波のエ
ネルギーによって、ホッパー２１内の溶剤の温度が上昇
するが、この温度を溶剤の着火温度未満に保持する必要
がある。このため、このホッパー２１の液温計３４によ
って、溶剤の温度を確認しつつ、溶剤の温度が着火温度
に近づくと、冷却用コンプレッサ３２を作動させて、こ
のホッパー２１の外周の吸熱管３１に冷媒を送り込み、
このホッパー２１を冷却して、溶剤の温度を低下させ
る。On the other hand, the temperature of the solvent in the hopper 21 rises due to the energy of the sound wave from each ultrasonic transducer 24, but this temperature must be kept below the ignition temperature of the solvent. Therefore, while the temperature of the solvent is being confirmed by the liquid thermometer 34 of the hopper 21, when the temperature of the solvent approaches the ignition temperature, the cooling compressor 32 is operated to cause the endothermic pipe 31 on the outer periphery of the hopper 21 to operate. Inject the refrigerant,
The hopper 21 is cooled to lower the temperature of the solvent.
【００５６】この溶剤の温度は、溶剤の種類にも拠る
が、例えば着火温度未満の２５℃に保持され、これによ
り危険性を回避する。The temperature of the solvent depends on the kind of the solvent, but is kept at 25 ° C., which is lower than the ignition temperature, thereby avoiding danger.
【００５７】〔第２分級工程〕ここでも、〔第１分級工
程〕と同様なホッパーが用いられるが、上記表における
No．６０の篩がホッパーに配置される。[Second classification step] Here, the same hopper as in the [first classification step] is used, but
No. Sixty sieves are placed in the hopper.
【００５８】この〔第２分級工程〕においては、〔第１
分級工程〕で得られたφ１ｍｍ未満の粒体が５Ｋｇだけ
No．６０の篩に投入され、このNo．６０の篩内で、φ１
ｍｍ未満の粒体を溶剤に混入する。In this [second classification step], [first
5 kg of particles less than 1 mm in diameter obtained in the classification step]
No. It is put into a No. 60 sieve, and this No. Φ1 in 60 sieve
Granules less than mm are mixed in the solvent.
【００５９】この後、蓋を閉じ、各超音波振動子を駆動
して、超音波を発音させる。これにより、φ２５０μｍ
未満の粒体がNo．６０の篩の目を通って沈殿し、ホッパ
ーの底に堆積する。After that, the lid is closed and each ultrasonic transducer is driven to generate ultrasonic waves. As a result, φ250 μm
Particles of less than No. Settle through 60 mesh and deposit at the bottom of the hopper.
【００６０】このとき、〔第１分級工程〕と同様に、超
音波によって、No．６０の篩の目の径φ２５０μｍに近
い大きさの粒体が効率的に刺激され、φ２５０μｍ未満
の粒体が篩の目を通り易くなる。また、篩内の粒体は、
音波の刺激を受けて、細かく分解される。この結果、φ
２５０μｍ未満の粒体が新たに生成されて、篩の目を通
る。At this time, in the same manner as in the [first classification step], the No. Granules having a size close to the diameter of φ250 μm of 60 sieves are efficiently stimulated, and particles having a diameter of less than 250 μm easily pass through the sieve openings. Also, the granules in the sieve are
When it is stimulated by sound waves, it is finely broken down. As a result, φ
Granules of less than 250 μm are newly generated and pass through the sieve mesh.
【００６１】こうしてホッパーの底に堆積したφ２５０
μｍ未満の粒体は、沈殿物排出孔のドレインコックを開
けて取り出され、また篩内に残ったφ２５０μｍ〜φ１
ｍｍの小砂利は、この篩から採取される。Φ250 thus deposited on the bottom of the hopper
Granules of less than μm were taken out by opening the drain cock of the sediment discharge hole, and remained in the sieve φ250 μm to φ1.
mm pebbles are taken from this sieve.
【００６２】したがって、ここでは、φ２５０μｍ〜φ
１ｍｍの小砂利と、φ２５０μｍ未満の粒体に分級され
る。前者の小砂利は、採取され、後者の粒体は、この
〔第２分級工程〕に引き続く〔第３分級工程〕に移され
る。Therefore, here, φ250 μm to φ
Classified into small gravel of 1 mm and granules of less than φ250 μm. The former small gravel is collected, and the latter granules are transferred to the [third classification step] subsequent to this [second classification step].
【００６３】〔第３分級工程〕ホッパーは、先に述べた
ものと同様であるが、上記表におけるNo．２３５の篩が
適用され、また蓋の裏面の各超音波振動子から発音され
る超音波の周波数が４０ＫＨｚと高く設定される。[Third Classifying Step] The hopper is the same as that described above, but the No. The screen of No. 235 is applied, and the frequency of the ultrasonic wave generated from each ultrasonic transducer on the back surface of the lid is set to a high value of 40 KHz.
【００６４】この〔第３分級工程〕においては、No．２
３５の篩に、〔第２洗浄工程〕で得られた細砂と、〔第
２分級工程〕で得られたφ２５０μｍ未満の粒体を合わ
せて５Ｋｇだけ投入する。In this [third classification step], No. Two
The fine sand obtained in the [second cleaning step] and the granules having a diameter of less than 250 [mu] m obtained in the [second classification step] are put into a sieve of No. 35 in an amount of 5 kg.
【００６５】この後、蓋を閉じ、各超音波振動子を駆動
して、周波数４０ＫＨｚの超音波を発音させる。この超
音波の周波数４０ＫＨｚは、No．２３５の篩の目の径φ
６３μｍに応じて定められている。これにより、φ６３
μｍ未満の粒体がNo．２３５の篩の目を速やかに通って
沈殿し、ホッパーの底に堆積する。また、篩内の粒体が
細かく分解され、φ６３μｍ未満の粒体が新たに生成さ
れて篩の目を通る。After that, the lid is closed and each ultrasonic transducer is driven to generate an ultrasonic wave having a frequency of 40 KHz. The frequency of this ultrasonic wave is 40 KHz. 235 sieve mesh diameter φ
It is defined according to 63 μm. As a result, φ63
Granules less than μm are No. Precipitates quickly through the mesh of 235 and deposits on the bottom of the hopper. Further, the particles in the sieve are finely decomposed, and particles having a diameter of less than 63 μm are newly generated and pass through the mesh of the sieve.
【００６６】こうしてホッパーの底に堆積したφ６３μ
ｍ未満の粒体は、沈殿物排出孔のドレインコックを開け
て取り出され、また篩内に残ったφ６３μｍ〜φ２５０
μｍの細砂は、この篩から採取される。Φ63μ thus deposited on the bottom of the hopper
Granules of less than m were taken out by opening the drain cock of the sediment discharge hole, and remained in the sieve at φ63 μm to φ250.
Micron fine sand is collected from this sieve.
【００６７】これにより、φ６３μｍ〜φ２５０μｍの
細砂が採取され、φ６３μｍ未満の粒体が引き続く〔第
４分級工程〕に移される。As a result, fine sand of φ63 μm to φ250 μm is sampled, and the particles of less than φ63 μm are transferred to the subsequent [fourth classification step].
【００６８】〔第４分級工程〕ここでは、篩として、上
記表におけるNo．４４０のものが適用され、また各超音
波振動子から発音される超音波の周波数が４０ＫＨｚに
設定される。[Fourth Classifying Step] Here, as the sieve, No. 4 in the above table was used. 440 is applied, and the frequency of the ultrasonic wave generated by each ultrasonic transducer is set to 40 KHz.
【００６９】この〔第４分級工程〕においては、No．４
４０の篩に、〔第３洗浄工程〕で得られたシルト及び粘
土と、〔第３分級工程〕で得られたφ６３μｍ未満の粒
体を合わせて投入する。In this [fourth classification step], No. Four
Into a sieve of 40, the silt and clay obtained in the [third washing step] and the particles having a diameter of less than 63 μm obtained in the [third classification step] are put together.
【００７０】この後、蓋を閉じ、各超音波振動子を駆動
して、周波数４０ＫＨｚの超音波を発音させる。これに
より、φ３２μｍ未満の粘土がNo．４４０の篩の目を速
やかに通って沈殿する。また、φ３２μｍ〜φ６３μｍ
のシルトが篩内に残される。このφ３２μｍ〜φ６３μ
ｍのシルトは、沈殿物排出孔のドレインコックを開けて
採取され、φ３２μｍ未満の粘土は、篩から採取され
る。After that, the lid is closed and each ultrasonic transducer is driven to generate an ultrasonic wave having a frequency of 40 KHz. As a result, the clay with a diameter of less than 32 μm is no. Settles quickly through 440 sieve mesh. Also, φ32 μm to φ63 μm
Of silt is left in the screen. This φ32μm ~ φ63μ
The silt of m is collected by opening the drain cock of the sediment discharge hole, and the clay having a diameter of less than 32 μm is collected from the sieve.
【００７１】〔乾燥工程〕こうして〔第１分級工程〕乃
至〔第４分級工程〕によって、５つのクラスに分けられ
た粗砂利、小砂利、細砂、シルト、及び粘土は、それぞ
れのクラス毎に、乾燥室に持ち込まれて放置され、ここ
で自然乾燥され、溶剤を除去される。[Drying Step] Thus, the coarse gravel, small gravel, fine sand, silt, and clay divided into five classes by the [first classification step] to the [fourth classification step] are classified into respective classes. , Brought to a drying room and left to stand, where it is naturally dried and the solvent is removed.
【００７２】以上で、この実施例の精製方法を終了す
る。This is the end of the purification method of this embodiment.
【００７３】このように上記実施例では、火山灰をNo．
４の篩にかけて、φ５ｍｍ以下の原料灰を採取し、この
原料灰を洗浄してから、この原料灰を加熱する。この加
熱により、砂利や粘土等の粒体の架橋構造が壊れ易くな
って、この粒体が更に細かな複数の粒体に分解し易くな
る。このため、篩にかけると、粒体が更に細かな複数の
粒体に分解し、より細かなシルトや粘土の採取量が多く
なる。As described above, in the above embodiment, the volcanic ash was
The raw material ash having a diameter of 5 mm or less is sampled through the No. 4 sieve, the raw material ash is washed, and then the raw material ash is heated. By this heating, the cross-linking structure of the particles such as gravel and clay is easily broken, and the particles are easily decomposed into a plurality of finer particles. For this reason, when the particles are sieved, the particles are decomposed into a plurality of smaller particles, and the amount of finer silt and clay collected increases.
【００７４】この精製方法によれば、大小の粒体に無理
な力を加えずに、粒体を分解するので、その粒体の大き
さにかかわらず、火山灰特有の多孔質性を失わずに済
む。このため、粗砂利、小砂利、細砂、シルト、及び粘
土のうちのいずれであっても、粒体の表面が粗く、赤外
線放射率が高い。According to this refining method, particles are decomposed without applying excessive force to large and small particles, so that the porosity peculiar to volcanic ash is not lost regardless of the size of the particles. I'm done. Therefore, any of coarse gravel, small gravel, fine sand, silt, and clay has a rough particle surface and a high infrared emissivity.
【００７５】これに対して、従来のセラミックの粉体
は、多孔質でないため、より細かく粉砕しなければ、赤
外線放射率を高くすることができない。また、粗砂利、
小砂利、粘土粒等と同様に、様々な大きさの粒体をセラ
ミックの粉体を原料にして製造することは、非常に困難
である。On the other hand, since the conventional ceramic powder is not porous, the infrared emissivity cannot be increased unless it is pulverized more finely. Also, coarse gravel,
Similar to small gravel and clay particles, it is very difficult to manufacture particles of various sizes using ceramic powder as a raw material.
【００７６】さらに、回転刃やローラによって、火山灰
を破壊したり圧砕して、粒体を得ることが可能である
が、このような方法では、火山灰の多孔質性も破壊され
てしまうので、本願発明と同等の効果を期待できない。Further, it is possible to destroy or crush the volcanic ash with a rotary blade or a roller to obtain granules. However, in such a method, the porosity of the volcanic ash is also destroyed. The same effect as the invention cannot be expected.
【００７７】また、この実施例では、各分級工程で、粗
砂利、小砂利等に分級するだけでなく、各洗浄工程で
も、分級を行い、洗浄工程で分級された粒体を該粒体の
大きさに応じて適当な分級工程に割り振っているので、
効率的な分級が可能である。In addition, in this embodiment, not only is classification into coarse gravel, small gravel, etc. performed in each classification step, but classification is also performed in each washing step, and the granules classified in the washing step are Since it is assigned to an appropriate classification process according to the size,
Efficient classification is possible.
【００７８】ところで、この実施例によって得られた粗
砂利、小砂利、細砂、シルト、及び粘土は、それぞれの
大きさに応じて使い分けられる。例えば、粗砂利は、田
や畑の土壌に混入され、農作物の育成の補助に利用され
る。また、小砂利、細砂等は、砂風呂の砂に混入した
り、建築物の内壁の材料に、保温のために混入される。
さらに、粘土は、合成樹脂に混入され、これをシート状
に引き延ばして適宜の大きさに裁断し、身体に貼り付け
る。By the way, the coarse gravel, small gravel, fine sand, silt, and clay obtained in this embodiment are used properly according to their sizes. For example, coarse gravel is mixed with the soil of fields and fields and used to assist the cultivation of agricultural products. In addition, small gravel, fine sand, etc. are mixed in the sand of the sand bath or in the material of the inner wall of the building for keeping heat.
Further, clay is mixed with a synthetic resin, which is stretched into a sheet, cut into an appropriate size, and attached to the body.
【００７９】なお、上記実施例では、火山灰を粗砂利、
小砂利、細砂、シルト、及び粘土という５つのクラスに
分けたが、クラスの数を増減しても良い。また、火山灰
を洗浄するために、水でなく、他の種類の液体を利用す
ることができる。あるいは、この実施例における温度や
時間、ホッパー等は、適宜に変更して構わない。In the above embodiment, volcanic ash is used as coarse gravel,
Although it is divided into five classes, small gravel, fine sand, silt, and clay, the number of classes may be increased or decreased. Also, instead of water, other types of liquids can be used to clean the ash. Alternatively, the temperature, time, hopper, etc. in this embodiment may be changed appropriately.
【００８０】[0080]
【効果】以上説明したように、第１発明の精製方法によ
れば、火山灰を加熱することにより、火山灰に含まれる
水分、有機物、硫黄等を除去して、この火山灰の粒体を
更に細かな複数の粒体に分解し易くしている。そして、
この火山灰を目の大きさが異なる各篩に順次かけて、こ
の火山灰を粒体の大きさが異なるそれぞれのクラスに分
級している。これにより、火山灰に特有の多孔質性を破
壊することなく、その表面の粗さを保ちつつ、様々な大
きさの粒体を得ることができる。[Effects] As described above, according to the refining method of the first invention, the volcanic ash is heated to remove water, organic matter, sulfur and the like contained in the volcanic ash, and the volcanic ash granules are further finely divided. It is easy to decompose into multiple particles. And
The volcanic ash is sequentially passed through sieves having different mesh sizes to classify the volcanic ash into classes having different particle sizes. As a result, it is possible to obtain granules of various sizes while maintaining the roughness of the surface without destroying the porosity peculiar to volcanic ash.
【００８１】また、第２発明の分級装置では、篩の目の
大きさに応じた周波数の音波を該篩に対して発生するこ
とにより、この篩の目を通る大きさの粒体を振動させ
て、この粒体が篩の目を速やかに通るようにしている。Further, in the classifying device of the second invention, a sound wave having a frequency corresponding to the size of the mesh of the sieve is generated to the sieve to vibrate the granules of the size passing through the mesh of the sieve. As a result, the granules pass through the mesh of the sieve quickly.
【図１】第１発明の精製方法の一実施例において用いら
れる第１水槽を概略的に示す図FIG. 1 is a diagram schematically showing a first water tank used in one embodiment of the refining method of the first invention.
【図２】第１発明の精製方法の一実施例において用いら
れる第２水槽を概略的に示す図FIG. 2 is a diagram schematically showing a second water tank used in one embodiment of the refining method of the first invention.
【図３】第２発明の分級装置の一実施例を概略的に示す
図FIG. 3 is a diagram schematically showing an embodiment of a classifying device of the second invention.
１ 第１水槽 ２，７ 水位計 ３，８ 水温計 ４，９，１２，３５，３６ 光センサー ５，１１，２７，２９ ドレインコック ６ 第２水槽 ２１ ホッパー ２２ 篩 ２３ 蓋 ２４ 超音波振動子 ２５ 超音波発振器 ２６ 沈殿物排出孔 ２８ 溶剤排出孔 ３１ 吸熱管 ３２ 冷却用コンプレッサ ３３ 液位計 ３４ 液温計 1 1st water tank 2,7 Water level meter 3,8 Water temperature meter 4,9,12,35,36 Optical sensor 5,11,27,29 Drain cock 6 2nd water tank 21 Hopper 22 Sieve 23 Lid 24 Ultrasonic transducer 25 Ultrasonic oscillator 26 Precipitate discharge hole 28 Solvent discharge hole 31 Endothermic tube 32 Cooling compressor 33 Liquid level meter 34 Liquid thermometer
Claims (4)
さが異なる各篩に順次かけて、この火山灰を粒体の大き
さが異なるそれぞれのクラスに分級する分級工程とを備
える火山灰の精製方法。1. A heating step of heating volcanic ash, and after cooling the heated ash, the volcanic ash is sequentially passed through sieves having different mesh sizes, and the volcanic ash having different particle sizes is obtained. A method for refining volcanic ash, which comprises a classification step of classifying into a class.
級工程の各篩にかけ、これらの篩には、音波を発生する
それぞれの発音体を配置した請求項１に記載の火山灰の
精製方法。2. The method for purifying volcanic ash according to claim 1, wherein the volcanic ash is mixed with a solvent, the solvent is applied to each sieve of a classification step, and each of the sieves is provided with a sounding body generating a sound wave. .
火山灰の沈殿を利用して、この火山灰を粒体の大きさが
異なるそれぞれのクラスに分級する洗浄工程を更に備
え、 加熱工程は、洗浄工程で分級された各クラス毎に、これ
らのクラスの火山灰を加熱し、 分級工程は、各篩によって分級された各クラスと、洗浄
工程で分級された各クラスを対応させて、同じ大きさの
粒体を持つ各クラスの火山灰を混合する請求項１に記載
の火山灰の精製方法。3. The method further comprises a washing step of washing the volcanic ash in the liquid tank, and using the precipitation of the volcanic ash in the liquid tank to classify the volcanic ash into respective classes having different particle sizes. The process heats volcanic ash of these classes for each class classified in the washing process, and the classifying process associates each class classified by each sieve with each class classified in the washing process, The method for purifying volcanic ash according to claim 1, wherein volcanic ash of each class having particles of the same size is mixed.
数の音波を該篩に対して発生する発音体とを備える粒体
の分級装置。4. A granule classifying device comprising a sieve and a sounding body which generates a sound wave of a frequency corresponding to the size of the mesh of the sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19047994A JP3210184B2 (en) | 1994-08-12 | 1994-08-12 | Volcanic ash purification method and volcanic ash classification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19047994A JP3210184B2 (en) | 1994-08-12 | 1994-08-12 | Volcanic ash purification method and volcanic ash classification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0852429A true JPH0852429A (en) | 1996-02-27 |
| JP3210184B2 JP3210184B2 (en) | 2001-09-17 |
Family
ID=16258795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19047994A Expired - Fee Related JP3210184B2 (en) | 1994-08-12 | 1994-08-12 | Volcanic ash purification method and volcanic ash classification device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3210184B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000334384A (en) * | 1999-05-31 | 2000-12-05 | Honda Electronic Co Ltd | Ultrasonic screen device |
| WO2001014278A1 (en) * | 1999-08-23 | 2001-03-01 | Shimaya Corporation | Method for preparing far-infrared radiation ceramics |
| JP2001149811A (en) * | 1999-09-28 | 2001-06-05 | Motorola Inc | Filter apparatus and its method |
| CN113909085A (en) * | 2021-11-25 | 2022-01-11 | 浙江德溪生物科技有限公司 | Filter equipment is used in production of soft-shelled turtle albumen powder |
| CN115212990A (en) * | 2022-08-08 | 2022-10-21 | 中国轻工业陶瓷研究所 | Preparation method of powder with normal-temperature high-far infrared emission function |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4469568B2 (en) | 2003-07-09 | 2010-05-26 | 三菱化学株式会社 | Method for producing organic acid |
| CN100575496C (en) | 2003-08-28 | 2009-12-30 | 三菱化学株式会社 | Method for producing succinic acid |
| BRPI0510919A (en) | 2004-05-20 | 2008-05-20 | Ajinomoto Kk | succinic acid producing bacteria and process for producing succinic acid |
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1994
- 1994-08-12 JP JP19047994A patent/JP3210184B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000334384A (en) * | 1999-05-31 | 2000-12-05 | Honda Electronic Co Ltd | Ultrasonic screen device |
| WO2001014278A1 (en) * | 1999-08-23 | 2001-03-01 | Shimaya Corporation | Method for preparing far-infrared radiation ceramics |
| JP2001149811A (en) * | 1999-09-28 | 2001-06-05 | Motorola Inc | Filter apparatus and its method |
| CN113909085A (en) * | 2021-11-25 | 2022-01-11 | 浙江德溪生物科技有限公司 | Filter equipment is used in production of soft-shelled turtle albumen powder |
| CN115212990A (en) * | 2022-08-08 | 2022-10-21 | 中国轻工业陶瓷研究所 | Preparation method of powder with normal-temperature high-far infrared emission function |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3210184B2 (en) | 2001-09-17 |
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