JPS6364915A - Method for treating ammonium sulfate of large grain size - Google Patents
Method for treating ammonium sulfate of large grain sizeInfo
- Publication number
- JPS6364915A JPS6364915A JP20742386A JP20742386A JPS6364915A JP S6364915 A JPS6364915 A JP S6364915A JP 20742386 A JP20742386 A JP 20742386A JP 20742386 A JP20742386 A JP 20742386A JP S6364915 A JPS6364915 A JP S6364915A
- Authority
- JP
- Japan
- Prior art keywords
- ammonium sulfate
- large grain
- chemical conversion
- grain diameter
- blending
- 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
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052921 ammonium sulfate Inorganic materials 0.000 title claims abstract description 52
- 235000011130 ammonium sulphate Nutrition 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 6
- 239000000126 substance Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims description 14
- 238000013329 compounding Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 14
- 238000002425 crystallisation Methods 0.000 abstract description 4
- 230000008025 crystallization Effects 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 3
- 238000004090 dissolution Methods 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 238000001953 recrystallisation Methods 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012261 overproduction Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、従来需要がなく溶解して再結晶せしめてい
た大粒硫安の処理方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a method for treating large ammonium sulfate, which has conventionally been dissolved and recrystallized for lack of demand.
（従来の技術）
国内における硫安の需給は、生産過剰で国内需要の余剰
分は輸出されている。しかし、機械を用いて粒状のリン
、カリ成分とバラ状のままで任意に、しかも迅速に配合
して施肥する方法に使用されるバルクブレンド用の粒状
硫安は、球状、米粒状、サイコロ状の形状が要求され、
生産量が少なく国内では常に不足している状況にある。(Conventional technology) Domestic demand and supply of ammonium sulfate is due to overproduction, and the surplus of domestic demand is exported. However, granular ammonium sulfate for bulk blending, which is used to arbitrarily and rapidly mix granular phosphorus and potassium components in their bulk form and apply them using a machine, cannot be used in the form of spheres, rice grains, or dices. shape is required,
Production is low and there is always a shortage domestically.
上記バルクブレンド用以外に一般に市販されている肥料
用硫安としては、単記用（大粒、中粒、細粒）、配合用
、化成用がある。しかし、大きな粒径が要求されるのは
、バルクブレンド用、単記用大粒であるが、これらの最
大粒径は４ｍｍまでで、４ｍｍ以上の大粒の硫安は、使
用されることなく分別後溶解して再結晶せしめていた。In addition to the above-mentioned bulk blends, commercially available ammonium sulfate for fertilizers includes single use (large grains, medium grains, fine grains), combination use, and chemical use. However, large particle sizes are required for bulk blending and single use large particles, but the maximum particle size for these is up to 4 mm, and large ammonium sulfate particles of 4 mm or more are not used and are dissolved after separation. It was recrystallized.
特に最近では、国内におけるバルクブレンド用硫安の需
要に対応すべく、結晶槽で結晶を大きく成長せしめ、バ
ルクブレンド用硫安の得率を上昇させている。これに伴
い４ｎ＋ｍ以上の大粒の硫安の得率も上昇し、これを溶
解して再結晶せしめるのは、極めて不経済である。In particular, recently, in order to meet the domestic demand for ammonium sulfate for bulk blending, crystals have been grown to a large size in a crystallization tank to increase the yield of ammonium sulfate for bulk blending. Along with this, the yield of ammonium sulfate in large particles of 4n+m or more also increases, and it is extremely uneconomical to melt and recrystallize this ammonium sulfate.
一方、上記大粒硫安を粉砕し、配合用、化成用に改質処
理することも考えられるが、粉砕機に供給される大粒硫
安の温度は、乾燥後篩別されたままであるため、約８０
℃程度あり、これがため、各シュートパイプ内で蒸発し
た水分が冷却して凝縮し、浮遊微粉硫安と結合して各シ
ュートパイプ壁面に付着し、これを閉塞せしめ運転が不
可能となる。On the other hand, it is also possible to crush the large-grain ammonium sulfate and modify it for compounding or chemical conversion, but the temperature of the large-grain ammonium sulfate supplied to the pulverizer remains sieved after drying, so the temperature is about 80℃.
As a result, the water evaporated in each chute pipe cools and condenses, combines with floating fine ammonium sulfate, and adheres to the wall surface of each chute pipe, clogging it and making operation impossible.
（発明の目的）
この発明の目的は、従来溶解して再結晶せしめていた粒
径４ｍｍ以上の大粒硫安を、配合用および／または化成
用に改質処理できる大粒硫安の処理方法を提供すること
である。(Object of the Invention) The object of the present invention is to provide a method for processing large ammonium sulfate, which can modify large ammonium sulfate with a particle size of 4 mm or more, which has conventionally been melted and recrystallized, for use in blending and/or chemical conversion. It is.
（発明の詳細な
説明者等は、粒径４ｍｍ以上の大粒の硫安を配合用、化
成用に改質すべく種々試験研究の結果、各シュートパイ
プに集塵機を連結すると共に、ニーラスバイブレータを
設置することにより、この閉塞問題を解消できることを
見い出し、この発明に想到した。(The person explaining the invention in detail has conducted various tests and researches to modify large ammonium sulfate particles with a particle size of 4 mm or more for use in compounding and chemical conversion. As a result, a dust collector is connected to each chute pipe, and a Nieras vibrator is installed. They discovered that this blockage problem could be solved by doing so, and came up with the present invention.
すなわちこの発明は、粒径４ｍｍ以上の大粒硫安の排出
ラインに粉砕機と篩を設け、各シュートパイプにバイブ
レータを設置すると共に、吸引管を介して集塵機と連結
し、大粒硫安を粉砕・篩別して篩上を粉砕機に循環し、
篩下を配合用および／または化成用硫安として回収する
ことを特徴とする大粒硫安の処理方法である。That is, in this invention, a crusher and a sieve are installed in the discharge line of large ammonium sulfate with a particle size of 4 mm or more, a vibrator is installed in each chute pipe, and the large ammonium sulfate is crushed and sieved by connecting it to a dust collector via a suction pipe. The sieve top is circulated to the crusher,
This is a method for treating large ammonium sulfate, which is characterized by recovering the undersieve as ammonium sulfate for blending and/or chemical conversion.
この発明においては、従来溶解して再結晶せしめていた
粒径４ｍｍ以上の大粒硫安を粉砕・篩別し、配合用およ
び／または化成用として製品化したので、溶解して再結
晶する必要がなく、極めて経済的であり、しかも、前記
粉砕・篩別に伴う各シュートパイプの閉塞もなく運転す
ることができる等の効果を有する。In this invention, large ammonium sulfate with a particle size of 4 mm or more, which was conventionally melted and recrystallized, is crushed and sieved and made into a product for compounding and/or chemical formation, so there is no need to melt and recrystallize it. This method is extremely economical, and has the advantage that it can be operated without clogging of the chute pipes caused by the crushing and sieving.
なお、粉砕、篩別して配合用として回収するか、あるい
は化成用として回収するかは、その時点での需要により
決定すればよく、回収する種類に応じて篩網の網目の大
きさ、ならびに粉砕機のロールの間隔を変更すればよい
。It should be noted that whether to crush and sieve and collect for compounding or for chemical use can be determined depending on the demand at the time. All you have to do is change the interval between the rolls.
以下にこの発明の詳細を実施の一例を示す図面により説
明する。The details of this invention will be explained below with reference to the drawings showing an example of implementation.
図面は、大粒硫安を化成用に改質する場合の実施に使用
する装置を示すものである。The drawing shows an apparatus used for reforming large grain ammonium sulfate for chemical conversion.
図示しない結晶槽から遠心分離機、乾燥機を経掃て送り
出された製品硫安（１）は、−次振動篩（２）。The product ammonium sulfate (1) sent out from a crystallization tank (not shown) after passing through a centrifuge and dryer is passed through a -order vibrating sieve (2).
に供給され、４ｍｍ以上の大粒硫安＜３）、下段篩下産
物の化成用（４）および配合用・バルクブレンド用（５
）に篩別される。配合用・バルクブレンド用（５）は、
図示しない篩により、別途配合用とバルクブレンド用に
篩別される。large grains of 4 mm or more, ammonium sulfate <3), for chemical conversion of the lower sieve product (4), and for compounding and bulk blending (5).
) are screened. For compounding/bulk blending (5),
A sieve (not shown) separates the material into those for blending and for bulk blending.
粒径４ｍｍ以上の大粒硫安（３）は、ホッパー（６）を
介し粉砕機（７）に供給され、粉砕されてスクリューコ
ンベア（８）により振動篩（９）に導入される。Large ammonium sulfate (3) with a particle size of 4 mm or more is supplied to a crusher (7) via a hopper (6), crushed, and introduced into a vibrating sieve (9) by a screw conveyor (8).
振動篩（９）は、上段に２０メツシユ、下段に８０メツ
シユの篩を有しており、上段篩の篩上産物は、スクリュ
ーコンベア（１０）により粉砕機（７）に循環され、下
段篩の篩土産物は、化成用（１１）として回収され、篩
下産物は、微粉ライン（１２）により図示しない溶解槽
を経て結晶槽に循環される。The vibrating sieve (9) has a 20-mesh sieve on the upper stage and an 80-mesh sieve on the lower stage, and the sieved product of the upper sieve is circulated to the crusher (7) by the screw conveyor (10), and the sieve of the lower sieve is The sieved product is recovered for chemical conversion (11), and the sieved product is circulated to the crystallization tank via a dissolution tank (not shown) via a fine powder line (12).
上記ホッパー （６）、粉砕機（７）、振動篩（９）の
各シュートパイプは、サイクロン（１３）とパイプによ
り接続され、ブロワ（１４）を介し洗浄塔（１５）に連
結され、各シュートパイプ内の浮遊微粉硫安を含む湿潤
空気は、吸引されてサイクロン（１３）で微粉が分離さ
れたのち、洗浄塔（１５）に導入され、洗浄塔（１５）
内で洗浄液（１６）により洗浄されて清浄化され大気中
に放出される。Each chute pipe of the hopper (6), crusher (7), and vibrating sieve (9) is connected to a cyclone (13) by a pipe, and connected to a washing tower (15) via a blower (14). The humid air containing floating fine ammonium sulfate in the pipe is sucked in and the fine powder is separated by a cyclone (13), and then introduced into the cleaning tower (15).
It is washed and cleaned with a cleaning liquid (16) within the tank and discharged into the atmosphere.
微粉硫安を吸収した洗浄液は、ドレンピット（１７）に
排出され、図示しない結晶槽に循環される。The cleaning liquid that has absorbed the finely divided ammonium sulfate is discharged into a drain pit (17) and circulated to a crystal tank (not shown).
また、ホッパー （６）および粉砕機（７）、振動篩（
９）の各シュートパイプには、それぞれニーラスバイブ
レータ（１８）が設けられており、図示しない乾燥機か
ら供給されて一次振動篩（２）に供給され、上段篩土産
物として得られる約８０℃程度の粒径４ｍｍ以上の大粒
硫安（３）から蒸発し、自然冷却して凝縮した水分が浮
遊微粉硫安と結合し、ホッパー（６）や各シュートパイ
プに付着するが、ニーラスバイブレータ（１８）および
ブロワ（１４）による排気の吸引とにより、付着が防止
され、長期間の連続運転が可能となる。In addition, a hopper (6), a crusher (7), a vibrating sieve (
Each chute pipe in 9) is equipped with a Neeras vibrator (18), and the air is supplied from a dryer (not shown) to the primary vibrating sieve (2), and the temperature of about 80°C is obtained as an upper sieve souvenir. The moisture that evaporates from the large ammonium sulfate (3) with a particle size of 4 mm or more, naturally cools, and condenses combines with the floating fine ammonium sulfate and adheres to the hopper (6) and each chute pipe, but the Nielas vibrator (18) and Suction of exhaust gas by the blower (14) prevents adhesion and enables continuous operation for a long period of time.
一方回収される化成用硫安（１１）は、化成用の製品硫
安として市販に値するものであり、粒径４ｍｍ以上の大
粒硫安り２）の殆どを化成用として回収できる。On the other hand, the ammonium sulfate (11) for chemical conversion that is recovered is worthy of being marketed as a product for chemical conversion, and most of the large ammonium sulfate 2) with a particle size of 4 mm or more can be recovered for use in chemical conversion.
したがって、従来の溶解して再結晶していた大粒硫安を
製品として有効に販売できる。Therefore, large-grained ammonium sulfate, which was conventionally melted and recrystallized, can be effectively sold as a product.
（実施例）
前記図示の装置の一次振動篩で分別された粒径４ｍｍ以
上の大粒硫安Ｑ、３ｔ／ｈｒを、ロール間距離１ｍｍの
ダブルロールクラッシャーにより、上段２ｏメツシユ、
下段８０メツシユの振動篩の上段篩の篩土産物を循環し
ながら緩徐に粉砕し、下段篩の篩上産物０．２８ｔ／ｈ
ｒを化成用硫安として回収した。大粒硫安からの化成用
硫安の回収率は、約９３％であった。なお、下段篩の篩
下産物とし分別された微粒硫安は、０．１５ｔ／ｈｒで
あった。(Example) Large grain ammonium sulfate Q with a grain size of 4 mm or more, which was separated by the primary vibrating sieve of the device shown in the figure, was processed at 3 t/hr into an upper 2o mesh by a double roll crusher with a distance between rolls of 1 mm.
The sieve souvenirs on the upper sieve of the lower 80-mesh vibrating sieve are slowly crushed while circulating, and the sieved product on the lower sieve is 0.28 t/h.
r was recovered as ammonium sulfate for chemical conversion. The recovery rate of ammonium sulfate for chemical conversion from large grains of ammonium sulfate was about 93%. Incidentally, the amount of fine ammonium sulfate separated as a product under the sieve of the lower sieve was 0.15 t/hr.
なお、上記実施例では、大粒硫安を化成用に改質する場
合について説明したが、粉砕機のロール間隔および振動
篩の篩目を変更することにより、配合用として改質する
できるばかりでなく、配合用、化成用の双方を回収する
こともできる。In addition, in the above example, a case was explained in which large-grained ammonium sulfate is modified for chemical conversion, but by changing the roll spacing of the crusher and the sieve mesh of the vibrating sieve, it can not only be modified for compounding. It is also possible to recover both blending and chemical processing.
図面は本発明に使用する装置の一例を示す系統図である
。The drawing is a system diagram showing an example of a device used in the present invention.
Claims (1)
と篩を設け、各シュートパイプにバイブレータを配設す
ると共に、吸引管を介し集塵機に連結し、大粒硫安を粉
砕・篩別して篩上を粉砕機に循環し、篩下を配合用およ
び／または化成用硫安として回収することを特徴とする
大粒硫安の処理方法。(1) A crusher and a sieve are installed in the discharge line for large ammonium sulfate with a particle size of 4 mm or more, and a vibrator is installed in each chute pipe, and it is connected to a dust collector via a suction pipe, and the large ammonium sulfate is crushed and sieved and placed on the sieve. A method for processing large-grained ammonium sulfate, which comprises circulating ammonium sulfate through a pulverizer and recovering the undersieve as ammonium sulfate for compounding and/or chemical conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20742386A JPS6364915A (en) | 1986-09-02 | 1986-09-02 | Method for treating ammonium sulfate of large grain size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20742386A JPS6364915A (en) | 1986-09-02 | 1986-09-02 | Method for treating ammonium sulfate of large grain size |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6364915A true JPS6364915A (en) | 1988-03-23 |
| JPH0417895B2 JPH0417895B2 (en) | 1992-03-26 |
Family
ID=16539509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20742386A Granted JPS6364915A (en) | 1986-09-02 | 1986-09-02 | Method for treating ammonium sulfate of large grain size |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6364915A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101320086B1 (en) * | 2011-10-28 | 2013-10-18 | 현대제철 주식회사 | Apparatus for purifying exhaust gas |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014117130A1 (en) * | 2014-11-24 | 2016-05-25 | Kiesling Maschinentechnik Gmbh | Device for machining a flat workpiece |
-
1986
- 1986-09-02 JP JP20742386A patent/JPS6364915A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101320086B1 (en) * | 2011-10-28 | 2013-10-18 | 현대제철 주식회사 | Apparatus for purifying exhaust gas |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0417895B2 (en) | 1992-03-26 |
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