JPS5949292A - Forming of lignite - Google Patents

Abstract

PURPOSE:To obtain a formed lignite having high strength, by heating lignite with microwave thereby evaporating the water and volatile component from the lignite and softening the lignite, and forming the treated lignite. CONSTITUTION:When lignite is irradiated with microwave, the lignite is heated internally by the molecular vibration of the constituent molecules of the lignite corresponding to the frequency of the microwave, and the water and the volatile components are evaporated and at the same time, the lignite is softened (to the so-called steamed state). The microwave irradiation is stopped at the stage, and the lignite is molded by a molding machine to obtain molded lignite.

Description

【発明の詳細な説明】 本発明は水分含酸が多く、Ｘ２を乾燥させた場合には粉
化しで便用が内盤となる亜炭を電磁波加熱しζ−水分含
ｉｊ（を減少させると共に之を軟化させて之を成型して
１１１吃炭の成型炭を肖る亜炭成型法に係わるものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention uses electromagnetic waves to heat lignite, which has a high water content and acid content, and when X2 is dried, it can be pulverized for convenience. This relates to a lignite molding method in which lignite is softened and molded to produce briquette 111 charcoal.

通帛亜炭は６０％＋ｉｉｌ　＋友の水分を金山し、之を
乾燥した鳴合には粉化を起すため、その運搬及び利用面
において内端であって、資源として用いられる範囲がご
く限られた分野に限定されているのが現状である。Tonghan lignite absorbs 60%+iil+ moisture and turns into powder when it is dried, so it is at the bottom of the range in terms of transportation and utilization, and the range in which it can be used as a resource is extremely limited. Currently, it is limited to certain fields.

しかして、亜炭を用いてこの含水量を低下させると共に
、之を成型して成型炭として用いることが出来れば、上
記のクロ＜粉化することなく之を資源として広範囲に活
用出来る。Therefore, if lignite can be used to lower this water content and can be molded and used as compacted coal, it can be used extensively as a resource without being pulverized.

しかし乍も、一般に石炭原料から成型して得られる成型
炭の場合にも水分により石炭粒子相互の粘着性が阻害さ
れるために最大限１０〜１２重鑵チ程度の含水量のもの
が用いられ、しかも別に石油系又は石炭系の粘着剤を添
加して高温化に混練した後成型する方法が用いられてい
る。However, even in the case of briquette coal obtained by molding coal raw materials, the adhesion between coal particles is inhibited by moisture, so briquettes with a maximum water content of about 10 to 12 min are used. Moreover, a method is used in which a petroleum-based or coal-based adhesive is added, kneaded at a high temperature, and then molded.

しかし乍も、この方法は粘結剤は高価であり、亜炭の高
含水叶のため亜炭には用いることが出来ない。However, this method cannot be used with lignite because the binder is expensive and lignite has a high water content.

こ＼において本発明者等は亜炭に電磁波加熱を施すこと
により、亜炭の含水量を低下させると共に、之を軟化し
−Ｃ粘結剤を用いることなく、之を即ち、亜炭にマイク
ロ波を照射した場合には、その同波数に応じる分子振動
が亜炭の構成分子に生じるため、その内部より発熱して
、含有水分は水蒸気として蒸発すると共に、之に伴って
亜炭の含有低（車外も水蒸気と共に蒸発されると共に、
亜炭自体が内部より加熱されて所謂６むれ”の現象を呈
して軟味５：呈するに至る。こ−においてマイクロ波の
照射をとめ、之を成型機により成型ずれば強１；ｆｊの
強い［］Ｉ（炭成型炭が得られる。In this, the present inventors applied electromagnetic heating to lignite to lower the moisture content of the lignite and soften it, and irradiated the lignite with microwaves without using a -C binder. When this occurs, molecular vibrations corresponding to the same wave number occur in the constituent molecules of the lignite, which generates heat from within, causing the moisture content to evaporate as water vapor. As it evaporates,
The lignite itself is heated from the inside and exhibits the so-called 6-stiffness phenomenon, resulting in a soft taste of 5. At this point, if the microwave irradiation is stopped and the lignite is molded using a molding machine, it becomes strong 1; ]I (Charcoal briquettes are obtained.

この様にして得られた１（１１炭を成型しＣ成〕１！！
炭とすることにより、運搬は容易であり、又粉化のおそ
れもない為、所望地への運搬が可能となり、ＩＩＦ炭を
ボイラー用燃料等の真東な資源として活用出来る。1 obtained in this way (molded 11 charcoal to form C) 1!!
By using charcoal, it is easy to transport and there is no fear of pulverization, so it can be transported to a desired location, and IIF charcoal can be used as a direct resource such as fuel for boilers.

例えは、南方で得られるプランコールをその例として挙
げることが出来るが、現在迄はその乾燥粉化性等のため
大部分は放置せられたま＼であり、一部は現地において
発・亀等に使用されている状態であるが、之に本発明の
処理を施して成型炭とすれば、運１般は容易で強度の強
い成型炭として船積み出来るため、石油が高価格である
現在、之を発電用のボイラー等の燃料として活用出来る
道が開かれ、貫電なエネルギー源として之を用いること
が出来る。An example of this is plankhor, which is obtained in the south, but until now, most of it has been left alone due to its drying and pulverizing properties, and some of it has been found locally, causing problems such as tortoises, etc. However, if the process of the present invention is applied to briquette coal, it can be easily transported and shipped as strong briquette coal. This opens the door for it to be used as a fuel for power generation boilers, etc., and it can be used as an electric energy source.

以下実施例により本発明を説明する。The present invention will be explained below with reference to Examples.

実施例１ 下記の工業分析値及び粒度分布を有するプランコールに
マイクロ波を照射して内部を加熱し之を成型して充分に
運搬し活用出来る成型炭を得た。Example 1 Plancoal having the following industrial analysis values and particle size distribution was irradiated with microwaves to heat the inside and molded to obtain molded coal that could be sufficiently transported and utilized.

工業分析値 ９．０　３．３　４６．６　４１．１　４３．１　０．
３３　５．５６１３．３　２．９　４４．９　３８．９
　４８．６　０．３２　５．３４粒度分布 ２．００〜１．００　１．００〜Ｕ、５０　０．５以下
３１．５　　　　１．０　　　０．３ 上記のプランコール５０ｇを秤量して磁製ルツボに入れ
、之に出力ｇｏｏＷのマグネトロン（松下゛咀器産業■
［２１４８８型）より発せられルマイクロ波（周波ｇ９
．２，４５０　ｍ１ｍ　３０　ＭＦ＋”　）原料炭は約
１２０℃の温度に達して、”むれ”て軟味を呈Ｖるに至
った。こ−でマイクロ波の照射を停止して、原料炭をル
ツボより取出し、成型圧４００ｋｇ／ｄで成型した。Industrial analysis value 9.0 3.3 46.6 41.1 43.1 0.
33 5.5613.3 2.9 44.9 38.9
48.6 0.32 5.34 Particle size distribution 2.00 to 1.00 1.00 to U, 50 0.5 or less 31.5 1.0 0.3 Weigh 50 g of the above Plancor and place it in a porcelain crucible. and the output gooW magnetron (Matsushita Maki Sangyo)
[Model 21488] emitted from the microwave (frequency g9
．． 2,450 m1m 30 MF+") The coking coal reached a temperature of approximately 120°C and became "smooth" and had a soft taste. At this point, the microwave irradiation was stopped and the coking coal was placed in the crucible. It was taken out and molded at a molding pressure of 400 kg/d.

その強度を測定して次の結果を得た。The intensity was measured and the following results were obtained.

落下強度１０　朋以上　８５．７％ 実施例２ 実施例１を繰返えして同等の成型用原料炭を得、之を双
一式の連続成型機に１型当り２０ｇの成型用原料炭を供
給して３００　ｋｇ／ｃｒｌの成型圧下に成型した。Drop strength: 10 or more 85.7% Example 2 Example 1 was repeated to obtain the same raw coal for molding, and 20 g of raw coal for molding was supplied per mold to a twin continuous molding machine. The material was then molded under a molding pressure of 300 kg/crl.

得られた製品を５ケづつビニール袋に入れ、之を高さ２
ｍの所よりコンクリート床に自然落下させた。実験を５
回繰り返えして、１０朋以上８１．５％の結果を得た。Put the obtained products into plastic bags, 5 pieces at a time, and place them at a height of 2
It was allowed to fall naturally onto a concrete floor from a point of m. 5 experiments
After repeating the test 10 times or more, a result of 81.5% was obtained.

代理人弁理士　木香　巌Representative Patent Attorney Iwao Kika

Claims (1)

【特許請求の範囲】[Claims] Ｉ１１島（にマイクＴコ波を照射加熱して、含有水分）
１しひに低揮発分を蒸発させると共に亜炭に軟味を帝ひ
させＣ之を成型して亜炭の成型炭を得ることを！行鑓と
する１１に炭酸型法。I11 island (contains moisture by irradiating and heating the microphone T-wave)
1. At the same time as evaporating the low volatile matter, the lignite is made to have a softer taste and then molded into lignite to obtain briquette charcoal! 11 is the carbonated type method.