JPH0621006Y2 - Particle property measuring device - Google Patents
Particle property measuring deviceInfo
- Publication number
- JPH0621006Y2 JPH0621006Y2 JP1986057724U JP5772486U JPH0621006Y2 JP H0621006 Y2 JPH0621006 Y2 JP H0621006Y2 JP 1986057724 U JP1986057724 U JP 1986057724U JP 5772486 U JP5772486 U JP 5772486U JP H0621006 Y2 JPH0621006 Y2 JP H0621006Y2
- Authority
- JP
- Japan
- Prior art keywords
- particles
- measuring
- granulated product
- container
- diameter
- 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.)
- Expired - Lifetime
Links
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- Sampling And Sample Adjustment (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案は、嵩比重、流動性および粒度（重量平均径（５
０％径）及び分散度）という三つの粒子特性を同時に測
定する測定装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is directed to bulk specific gravity, fluidity and particle size (weight average diameter (5
The present invention relates to a measuring device for simultaneously measuring three particle characteristics of 0% diameter) and dispersity).
［従来の技術］ 従来、嵩比重、流動性あるいは粒度（重量平均径（５０
％径）及び分散度）等の粒子特性はそれぞれ個々に人手
を介してサンプリング測定され、用途に合致するように
その都度調整などを行っていた。[Prior Art] Conventionally, bulk specific gravity, fluidity or particle size (weight average diameter (50
Particle characteristics such as% diameter) and dispersity) were individually sampled and measured manually, and adjustments were made each time to match the application.
［考案が解決しようとする問題点］ しかしながら、従来の連続造粒装置にあっては前記のよ
うに個々的に粒子特性が人手により測定されているの
で、多様な要求、例えば容器の大きさ（容量）や袋詰め
に関係する嵩比重を満足するとともに粒子形状やその大
きさに関係する流動特性、さらに一定の粒径が要求され
るという場合に対しては、その対応は煩雑となって迅速
な応答は不可能であり、又、正確な測定も極めて困難と
なっていた。[Problems to be Solved by the Invention] However, in the conventional continuous granulating apparatus, since the particle characteristics are individually measured manually as described above, various requirements such as the size of the container ( In the case where the volume specific gravity and the bulk specific gravity related to bagging are satisfied and the flow characteristics related to the particle shape and size and a certain particle size are required, the response becomes complicated and quick. Such a response is impossible, and accurate measurement is extremely difficult.
［問題点を解決するための手段］ 従って本考案の目的は、前記従来の欠点を解消した嵩比
重、流動性および粒度（重量平均径（５０％径）及び分
散度）という三つの粒子特性を同時に測定できる測定装
置を提供することにある。[Means for Solving Problems] Therefore, an object of the present invention is to solve the above-mentioned conventional drawbacks by the three particle characteristics of bulk specific gravity, fluidity and particle size (weight average diameter (50% diameter) and dispersity). It is to provide a measuring device that can measure simultaneously.
そして、かかる目的は本考案によれば、造粒装置からの
造粒製品の一部を収容する所定容積を有し底部に開閉可
能な造粒製品排出口を持つ容器と摺り切り手段からなる
造粒製品の体積測定手段と、該容器に収容された造粒製
品を流下させてその流下時間を測定する手段と、前記の
流下製品を受け、二段で篩分けする分級手段と、該分級
手段で篩分けされ各篩上に残った粒子と篩を通過した粒
子のそれぞれをロードセルにて秤量する手段とから成
り、粒子の嵩比重、流動性および重量平均径（５０％
径）並びに分散度を同時的に測定することを特徴とする
連続造粒装置における粒子物性の測定装置、を提供する
ことにより達成することができる。And, according to the present invention, such an object is formed by a container having a predetermined volume for accommodating a part of the granulated product from the granulator and having a granulated product discharge port which can be opened and closed at the bottom and a scraping means. Granule product volume measuring means, means for flowing down the granulated product contained in the container to measure the flow down time, classifying means for receiving the flow down product and sieving in two stages, and the classifying means And a means for weighing the particles remaining on each sieve and the particles that have passed through the sieve with a load cell. The bulk specific gravity of the particles, the fluidity and the weight average diameter (50%).
It can be achieved by providing a measuring apparatus for particle physical properties in a continuous granulating apparatus, which is characterized by simultaneously measuring the diameter) and the degree of dispersion.
［作用］ 次に、本考案の作用を説明する。[Operation] Next, the operation of the present invention will be described.
まず、造粒装置から一部の製品を所定容積の容器にサ
ンプリングする。First, some products are sampled from the granulator into a container having a predetermined volume.
次いで、該容器を摺り切りする（これにより製品体積
（Ｖ）が測定される）。The container is then scraped off (which measures the product volume (V)).
容器の底部が開口され、製品粒子の流下時間（ｔ）が
測定される。The bottom of the container is opened and the flow time (t) of product particles is measured.
次に、流下粒子を二段の篩からなる分級装置において
篩分け（分級する）。Next, the falling particles are sieved (classified) in a classifier composed of two stages of sieves.
最後に、前記で篩分けした粒子を各別にそれぞれ秤
量する。（Ｗ１、Ｗ２、…）そして総重量ＷＴはＷＴ＝
Ｗ１＋Ｗ２＋…で表される。Finally, the particles sieved above are weighed separately. (W 1 , W 2 , ...) And the total weight W T is W T =
It is represented by W 1 + W 2 + ....
以上の測定結果から、嵩比重ρｖはρｖ＝ＷＴ／Ｖ、流
動特性ＦｒはＦｒ＝Ｖ／Ｔ，ＷＴ／ｔ，ｔ、また粒度特
性ＣｄはＣｄ＝Ｗ１／ＷＴ，Ｗ２／ＷＴ，・・から、対
数正規分布に基ずき、粒子の重量平均径（５０％径）及
び分散度が容易に求められるので、粒子特性は容易に求
められることになる。From the above measurement results, the bulk specific gravity ρ v is ρ v = W T / V, the flow characteristic F r is F r = V / T, W T / t, t, and the particle size characteristic C d is C d = W 1 / From W T , W 2 / W T , ···, the weight average particle size (50% size) and dispersity can be easily obtained based on the lognormal distribution, so that the particle properties can be easily obtained. Become.
［実施例］ 以下、本考案を図に示す実施例に基き、更に説明する。[Embodiment] The present invention will be further described below based on an embodiment shown in the drawings.
連続造粒装置（図示せず）から造粒製品の一部がサンプ
リングされ容器１に充填された後、シリンダー４によっ
て摺り切りされ、粒子体積（Ｖ）が測定される。次い
で、シリンダー５により容器１の底部のノズル２が開口
され、容器１内の粒子が流下すると、ロードセル６がそ
の重量を感知し、該流下粒子の流下時間（ｔ）が計測さ
れる。A part of the granulated product is sampled from a continuous granulating device (not shown), filled in the container 1, and then scraped off by the cylinder 4 to measure the particle volume (V). Next, when the nozzle 2 at the bottom of the container 1 is opened by the cylinder 5 and the particles in the container 1 flow down, the load cell 6 senses the weight of the particles and the flow-down time (t) of the falling particles is measured.
流下粒子は、次に案内板７により導管８を介して分級装
置３に送入される。分級装置３は、用途、要求される精
度に応じた段数の篩（この例では２段）を有しており、
粒子はここで粒径に応じて篩分けされる。ここで、図の
分級装置３は網目の径がそれぞれＤ１及びＤ２である２
つの篩Ｓ１、Ｓ２を持った構成を有しており、篩Ｓ１及
びＳ２上に残った粒子と、Ｓ１とＳ２の双方を通過した
粒子のそれぞれをロードセル９により秤量してその重量
（Ｗ１、Ｗ２、Ｗ３）を測定する。The falling particles are then fed by the guide plate 7 into the classifier 3 via the conduit 8. The classifier 3 has a number of sieves (two in this example) according to the application and the required accuracy,
The particles are here screened according to particle size. Here, in the classifier 3 shown in the drawing, the mesh diameters are D 1 and D 2 , respectively.
One sieve S 1, has a structure having a S 2, and the remaining particles on the sieve S 1 and S 2, each of the particles passed through both the S 1 and S 2 are weighed by the load cell 9 The weight (W 1 , W 2 , W 3 ) is measured.
なお、１０はバネ、１１は振動機、１２はシリンダーで
ある。In addition, 10 is a spring, 11 is a vibrator, and 12 is a cylinder.
以上の測定結果から、嵩比重ρｖはρｖ＝ＷＴ／Ｖ、流
動特性ＦｒはＦｒ＝Ｖ／ｔ，ＷＴ／ｔ，ｔ、また粒度特
性ＣｄはＣｄ＝Ｗ１／ＷＴ，Ｗ２／ＷＴ，Ｗ３／ＷＴか
ら、対数正規分布に基ずき、粒子の重量平均径（５０％
径）及び分散度が求められ、粒子が求められる。From the above measurement results, the bulk density [rho v is ρ v = W T / V, flow characteristics F r is F r = V / t, W T / t, t, also the particle size characteristics C d is C d = W 1 / From W T , W 2 / W T , W 3 / W T , based on the log-normal distribution, the weight average diameter of particles (50%
Diameter) and dispersity are determined, and particles are determined.
次に、本考案の測定装置をさらに具体的に説明する。Next, the measuring device of the present invention will be described more specifically.
（実施例） 図に示す測定装置において、アルミナ造粒粉の嵩比重、
流動性および粒度（重量平均径（５０％径）及び分散
度）を測定した。(Example) In the measuring device shown in the figure, the bulk specific gravity of the alumina granulated powder,
Flowability and particle size (weight average diameter (50% diameter) and dispersity) were measured.
使用した容器１の容積Ｖは１０００cm3、流下時間ｔは
２５秒であった。分級装置３の篩Ｓ１の網目径Ｄ１が１
４９μｍ、篩Ｓ２の網目径Ｄ２が７４μｍであり、篩Ｓ
１上に残った粒子の重量Ｗ１は１５０ｇ、篩Ｓ２上に残
った粒子の重量Ｗ２は５２０ｇ、篩Ｓ１及びＳ２の双方
を通過した粒子の重量Ｗ３は１８０ｇであった。従っ
て、粒子の総重量ＷＴはＷ１＋Ｗ２＋Ｗ３＝８５０ｇで
あった。The volume V of the container 1 used was 1000 cm 3 , and the flow-down time t was 25 seconds. The mesh diameter D 1 of the sieve S 1 of the classifier 3 is 1
49 .mu.m, mesh diameter D 2 of the sieve S 2 is 74 .mu.m, sieving S
Weight W 1 of the remaining particles on 1 150 g, the weight W 2 of the remaining particles on the sieve S 2 is 520 g, the weight W 3 of the particles passed through both sieves S 1 and S 2 was 180 g. Therefore, the total weight W T of the particles was W 1 + W 2 + W 3 = 850 g.
以上の測定結果より、次の粒子特性値が求められた。The following particle characteristic values were obtained from the above measurement results.
嵩比重ρｖ＝ＷＴ／Ｖ＝０．８５ｇ／cm3 流動特性Ｆｒ＝Ｖ／ｔ＝４０cm3／秒 粒度特性Ｃｄ１＝Ｗ１／ＷＴ＝１７．６ Ｃｄ２＝Ｗ２／ＷＴ＝６１．２ Ｃｄ３＝Ｗ３／ＷＴ＝２１．２ 又、篩下積算重量Ｒ１〔％〕＝２１．２ 〃 Ｒ２〔％〕＝８２．４ 粒子は、一般的に対数正規分布に従うので、 ５０％径ＤＰ５０＝１０２μｍ、 分散度σ＝１．５３ となる。Bulk specific gravity ρ v = W T /V=0.85 g / cm 3 Flow characteristics F r = V / t = 40 cm 3 / sec Particle size characteristics C d1 = W 1 / W T = 17.6 C d2 = W 2 / W T = 61.2 C d3 = W 3 / W T = 21.2 in addition, cumulative under sieve weight R 1 [%] = 21.2 〃 R 2 [%] = 82.4 particles are generally lognormal Since it follows the distribution, 50% diameter D P50 = 102 μm, and dispersion degree σ = 1.53.
以上のようにこの測定装置によれば、粒子特性を容易に
求めることができる。As described above, according to this measuring device, the particle characteristics can be easily obtained.
［考案の効果］ 以上説明したように、本考案の粒子物性の測定装置によ
れば、嵩比重、流動性および粒度（重量平均径（５０％
径）及び分散度）という三つの粒子特性を同時的に測定
することができるため、例えば連続造粒装置における粒
径制御等を迅速、正確に行うことができる。[Advantage of Invention] As described above, according to the particle physical property measuring apparatus of the present invention, the bulk specific gravity, fluidity and particle size (weight average diameter (50%
Since three particle characteristics such as diameter and dispersity) can be measured simultaneously, for example, particle size control in a continuous granulator can be performed quickly and accurately.
図面は、本考案の一実施例を示す概略図である。 １……容器、２……ノズル、３……分級装置、４，５…
…シリンダー、６，９……ロードセル。The drawings are schematic views showing an embodiment of the present invention. 1 ... Container, 2 ... Nozzle, 3 ... Classifying device, 4, 5 ...
… Cylinders, 6, 9 …… Load cells.
Claims (1)
所定容積を有し底部に開閉可能な造粒製品排出口を持つ
容器と摺り切り手段からなる造粒製品の体積測定手段
と、該容器に収容された造粒製品を流下させてその流下
時間を測定する手段と、前記の流下製品を受け、二段で
篩分けする分級手段と、該分級手段で篩分けされ各篩上
に残った粒子と篩を通過した粒子のそれぞれをロードセ
ルにて秤量する手段とから成り、粒子の嵩比重、流動性
および重量平均径（５０％径）並びに分散度を同時的に
測定することを特徴とする連続造粒装置における粒子物
性の測定装置。1. A granulated product volume measuring means comprising a container having a predetermined volume for accommodating a part of the granulated product from the granulating device and having a granulated product discharge port which can be opened and closed at the bottom and a scraping means. A means for flowing down the granulated product contained in the container and measuring the flow-down time, a classifying means for receiving the flow-down product and sieving it in two stages, and each sieve screened by the classifying means. It consists of means for weighing each of the particles remaining on the top and the particles that have passed through the sieve with a load cell, and simultaneously measuring the bulk specific gravity, fluidity, weight average diameter (50% diameter) and dispersity of the particles. An apparatus for measuring physical properties of particles in a continuous granulating apparatus, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986057724U JPH0621006Y2 (en) | 1986-04-17 | 1986-04-17 | Particle property measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986057724U JPH0621006Y2 (en) | 1986-04-17 | 1986-04-17 | Particle property measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62173038U JPS62173038U (en) | 1987-11-04 |
| JPH0621006Y2 true JPH0621006Y2 (en) | 1994-06-01 |
Family
ID=30887685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986057724U Expired - Lifetime JPH0621006Y2 (en) | 1986-04-17 | 1986-04-17 | Particle property measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0621006Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH512597A (en) * | 1970-06-19 | 1971-09-15 | Rieter Ag Maschf | Open-end spinning device with a rotor having a fiber collecting surface |
| JPS606719Y2 (en) * | 1980-07-01 | 1985-03-04 | 新潟コンバ−タ−株式会社 | Lubricating device |
-
1986
- 1986-04-17 JP JP1986057724U patent/JPH0621006Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62173038U (en) | 1987-11-04 |
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