JPH01299637A - Medium ball fluidizing layer device - Google Patents
Medium ball fluidizing layer deviceInfo
- Publication number
- JPH01299637A JPH01299637A JP13208388A JP13208388A JPH01299637A JP H01299637 A JPH01299637 A JP H01299637A JP 13208388 A JP13208388 A JP 13208388A JP 13208388 A JP13208388 A JP 13208388A JP H01299637 A JPH01299637 A JP H01299637A
- Authority
- JP
- Japan
- Prior art keywords
- medium
- drying
- drying chamber
- dried
- medium balls
- 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.)
- Pending
Links
- 238000001035 drying Methods 0.000 claims abstract description 50
- 239000000126 substance Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 15
- 230000014759 maintenance of location Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 14
- 239000011344 liquid material Substances 0.000 abstract description 6
- 238000011027 product recovery Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 15
- 230000005484 gravity Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/40—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed subjected to vibrations or pulsations
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、液状物質を乾燥粉末にする流動層装置に関
し、特に乾燥室内に複数の球状物質である媒体球を収容
させ、該媒体球表面に液状物質を滴下させて乾燥粉末を
製造する媒体法流動層装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a fluidized bed apparatus that converts a liquid substance into a dry powder, and in particular, a drying chamber accommodates a plurality of medium spheres, which are spherical substances, and the surface of the medium spheres is coated with liquid. This invention relates to a media method fluidized bed apparatus that produces dry powder by dropping a substance.
従来の技術
底部に所要数の透孔を有する整流板を備えた乾燥室にセ
ラミックス等を材質とした多数の球状物質である媒体球
を前記整流板を通して送入される熱風によって流動させ
、流動している媒体球に揮発成分を含んだ液状物質を滴
下し、媒体球の表面に塗膜させて揮発成分を蒸発させる
と同時に媒体球の衝突で不揮発成分を粉砕固化させるよ
うにした流動層乾燥装置があり（特開昭５８−１５０４
０１号公報、特願昭６２−１６０７４５号明細書１、そ
の流動風速は媒体球の流動化が律速となるようになって
いる。Conventional technology In a drying chamber equipped with a baffle plate having a required number of through holes at the bottom, a large number of medium spheres, which are spherical substances made of ceramics or the like, are made to flow by hot air sent through the baffle plate. A fluidized bed drying device in which a liquid substance containing volatile components is dripped onto a media sphere, which is coated on the surface of the media sphere to evaporate the volatile components and at the same time crush and solidify non-volatile components by the collision of the media spheres. There is (Japanese Unexamined Patent Publication No. 58-1504
No. 01, Japanese Patent Application No. 62-160745 1, the velocity of the flow wind is determined by the fluidization of the medium sphere.
発明が解決しようとする課題
しかし、媒体球が衝突によって摩耗すると生産１」的物
質である液状物質中の不揮発成分物質中に摩耗物質が混
入し、異物混入の原因となるため媒体法は摩耗してはな
らない。そのため従来においては媒体法の材質として、
セラミックス、例えばアルミナ、ジルコニア、窒化ケイ
素等が使用されている。しかし、これらを材質とした媒
体法は比重が大きく流動化に大風速が必要である。従っ
て被乾燥物内の水分移動速度が律速段階となるようなも
のは必要風量以上の風量を与えることが必要でり非効率
的であるという課題を有している。Problems to be Solved by the Invention However, when the media sphere wears out due to collision, the wear substance mixes into the non-volatile components of the liquid material, which is a material that is important for production. must not. Therefore, in the past, as the material of the media method,
Ceramics such as alumina, zirconia, silicon nitride, etc. are used. However, the media method using these materials has a large specific gravity and requires high wind speed for fluidization. Therefore, a method in which the rate of movement of moisture within the material to be dried is the rate-determining step has the problem that it is necessary to provide an air volume greater than the required air volume, which is inefficient.
また、媒体法によって流動風速が決定されるのではなく
、被乾燥物の乾燥特性に合わせて流動風速を決定すべき
であり、そのためには媒体法をエアー圧のみに頼ってい
てはだめである。In addition, the flow wind speed should not be determined by the media method, but should be determined according to the drying characteristics of the material to be dried, and for that purpose, the media method should not rely only on air pressure. .
さらに被乾燥物、特に有機物の中には乾燥中媒体球へ付
着成長するものが多い。乾燥中媒体球についた被乾燥物
を剥離させないといずれは流動困難になり流動が停止し
てしまうという課題がある。Furthermore, many of the substances to be dried, especially organic substances, adhere to and grow on the medium spheres during drying. There is a problem that unless the material to be dried attached to the medium sphere is peeled off during drying, it will eventually become difficult to flow and the flow will stop.
本発明は上記課題に石目してなされたものであって、必
要風量以上の風量を与えることなく、かつ被乾燥物の乾
燥特性に合わせた流動風速で効率よく液状物質を乾燥す
ることができると共に、媒体法への被乾燥の付着は振動
を与えれば剥離するので本発明は媒体法へ付着する被乾
燥物を付着成長させずに常に付む物を振動によって剥離
更新させ安定な運転をできる媒体法流動層装置を提供す
ることを目的とするものである。The present invention has been made in view of the above-mentioned problems, and is capable of efficiently drying a liquid substance at a fluidizing air speed that matches the drying characteristics of the material to be dried, without applying an air volume greater than the required air volume. At the same time, since the dried material attached to the medium method can be peeled off by applying vibration, the present invention allows stable operation by removing and renewing the drying material that always adheres to the media method by vibration without allowing the dried material adhering to the media method to grow. The object of the present invention is to provide a media method fluidized bed apparatus.
課題ヲ解決するための手段
上記課題は本発明によれば、乾燥筒体と、所要数の透孔
を有する整流板とを備え、前記乾燥筒体内を前記整流板
で仕切ることにより、この整流板の上部を乾燥室、同下
部を空気滞留室とし、前記乾燥室に複数のセラミックス
製の媒体法を収容させるとともに、前記乾燥室を振動さ
せる振動発生装置を設け前記空気滞留室を介して前記乾
燥室に熱風を吹き込み、この熱風圧と振動により前記媒
体法を加熱しながら流動させ、
かつ、前記乾燥筒体の上部に液状物質供給ノズルを設置
し、このノズルによって液状物質を前記媒体法の表面に
滴下することを特徴とする媒体法流動層装置とすること
により解決される。Means for Solving the Problems According to the present invention, the above problems can be solved by providing a drying cylinder and a rectifying plate having a required number of through holes, and partitioning the inside of the drying cylinder with the rectifying plate. The upper part of the drying chamber is a drying chamber, and the lower part thereof is an air retention chamber, and a plurality of ceramic media are housed in the drying chamber, and a vibration generator is provided to vibrate the drying chamber. Hot air is blown into the chamber, and the hot air pressure and vibrations cause the medium to flow while heating it, and a liquid material supply nozzle is installed on the top of the drying cylinder, and this nozzle supplies the liquid material to the surface of the medium method. This problem can be solved by creating a fluidized bed device using a medium method, which is characterized by dripping.
作 用
振動発生装置により乾燥室内を振動させると乾燥室内に
収容されている媒体法も振動するので、乾燥室内に熱風
を送ると風圧により比重が大きい媒体法であっても流動
しやすくなり、必要量以上の風速を必要としない。そし
てこの媒体法に被乾燥物質である液状物質を滴下し、熱
媒体球に液状物質が付着すると同時に乾燥固化するとと
もに、媒体法同士の衝突により粉末化される。When the inside of the drying chamber is vibrated by the vibration generator, the medium stored in the drying chamber will also be vibrated, so if hot air is sent into the drying chamber, even the medium having a high specific gravity will flow more easily due to the wind pressure, making it possible to does not require a higher wind speed. Then, a liquid substance to be dried is dropped onto the medium, and the liquid substance adheres to the heat medium sphere and simultaneously dries and solidifies, and is pulverized by collision between the mediums.
実施例
以下、本発明を図面に示す実施例に基づいて具体的に説
明する。EXAMPLES Hereinafter, the present invention will be specifically explained based on examples shown in the drawings.
図において、（Ａ）は本発明に係る媒体法流動層装置で
あり、乾燥筒体（１０）を有する。該乾燥筒体（１０）
の下部側には多数の透孔（１１，１１）を有する整流板
（１２）が設けられ、この乾燥筒体（１０）を空気滞留
室（１３）と乾燥室（１４）とに整流板（１２）によっ
て仕切っている。In the figure, (A) is a media method fluidized bed apparatus according to the present invention, which has a drying cylinder (10). The dry cylinder (10)
A rectifying plate (12) having a large number of through holes (11, 11) is provided on the lower side of the drying cylinder (10). 12).
空気滞留室（１３）は送風機である吹込みファン（１５
）からの送風をヒータ（Ｉ６）に劣って加熱された熱風
ガスを一時的に貯留する箇所であり、乾燥室（１４）は
後述する液状物質（被乾燥物） （１７）が乾燥粉末
化される箇所である。The air retention chamber (13) is equipped with a blowing fan (15), which is a blower.
) The drying chamber (14) is a place where the hot air gas heated by the air blowing from the heater (I6) is temporarily stored. This is the place where
前記整・原板（１２）の透孔（１１，１１）は、前記空
気滞留室（Ｉ３）と乾燥室（１４）を連通し、空気滞留
室（１３）に送風されてきた熱風ガスを整流化して乾燥
室（１４）に流入させるものである。The through holes (11, 11) of the conditioning/original plate (12) communicate the air retention chamber (I3) and the drying chamber (14), and rectify the hot air gas blown into the air retention chamber (13). The drying chamber (14) is made to flow into the drying chamber (14).
（１８，１８）は球状形状をしたセラミックス製の媒体
法であって、前記乾燥室（１４）内に収容されている。(18, 18) is a spherical ceramic medium, which is housed in the drying chamber (14).
この媒体法（１８，１８）は、整流板（１２）の透孔（
１１，１１）を介して乾燥室（１４）内に流入した熱風
ガスによって加熱されながら乾燥室（Ｌ４）の上方へ吹
き上げられ流動する。（１９）は液状物質供給ノズルで
あり、前記乾燥室（１４）の上部に設置されている。こ
の供給ノズル（１９）の先端は下向きとなっており、被
乾燥物である液状物質（１７）をポンプ（Ｐ）の作動に
よって乾燥室（１４）内に滴下させる。This medium method (18, 18) uses the through holes (
11, 11) and flows into the drying chamber (14) while being heated and blown upward into the drying chamber (L4). (19) is a liquid substance supply nozzle, which is installed in the upper part of the drying chamber (14). The tip of this supply nozzle (19) is directed downward, and the liquid substance (17) to be dried is dripped into the drying chamber (14) by the operation of the pump (P).
（２０）はサイクロンやバグフィルタ−等の製品回収装
置であって、（２１）は排気ファンである。(20) is a product recovery device such as a cyclone or a bag filter, and (21) is an exhaust fan.
（２２）は振動偏心モータ等からなる振動発生装置であ
って、乾燥筒体（１０）を一定の振動数及び所、定の振
幅で左右に振動させ乾燥室（１４）内の整流板（１２）
を振動させて整流板（１２）上にある媒体球（１８，１
８）を動かすものである。(22) is a vibration generator consisting of a vibrating eccentric motor, etc., which vibrates the drying cylinder (10) from side to side at a constant frequency and a predetermined amplitude. )
The medium sphere (18, 1) on the rectifying plate (12) is vibrated.
8).
本発明は以上のような構成をしており、媒体球（１８，
１８）は振動発生装置（２２）によって振動されており
、吹込みファン（１５）によって送り込まれる空気はヒ
ータ（１Ｂ）によって加熱され整流板（Ｉ２）を介して
エアー圧によって媒体球（１８，１８）を加熱流動させ
る。この場合媒体法（１８，１８）を振動させていない
ときは媒体球（１８，１８）はセラミックス製等からな
り比重が大きいので大風速が必要であるが、振動してい
ると大風速は必要とせず流動する。一方液状物質（１７
）をポンプ（Ｐ）で乾燥室（１４）内に送り込み供給ノ
ズル（１９）を介して流動している媒体球（１１１１，
１８）に滴下する。The present invention has the above-described configuration, and includes a medium sphere (18,
18) is vibrated by a vibration generator (22), and the air sent by a blowing fan (15) is heated by a heater (1B) and is passed through a rectifying plate (I2) to the medium spheres (18, 18) by air pressure. ) is heated and fluidized. In this case, when the medium method (18, 18) is not vibrating, the medium sphere (18, 18) is made of ceramics etc. and has a high specific gravity, so a high wind speed is required, but when it is vibrating, a high wind speed is required. It flows without changing. On the other hand, liquid substances (17
) is fed into the drying chamber (14) by a pump (P) and the medium spheres (1111,
18).
滴ドされた液状物質（１７）は媒体球（Ｉｌｌ、 １８
）の表面に付告（塗膜）し、この付着と同時に熱風及び
加熱された媒体球（１８，１８）によって乾燥固化する
。そして、この乾燥固化した被乾燥物質（１７）は前記
媒体球（１８，１８）同士の衝突により粉末化され、乾
燥室（１４）の上部に粉末製品（１７ａ）として浮遊す
る。浮遊している粉末製品（１７ａ）は製品回収装置（
２０）により吸引され、気体と製品とに分離され、気体
は排気ファンにより排気される。The dropped liquid substance (17) is transferred to the medium sphere (Ill, 18).
), and at the same time as this adhesion, it is dried and solidified by hot air and heated medium spheres (18, 18). The dried and solidified material to be dried (17) is pulverized by the collision between the medium spheres (18, 18) and floats in the upper part of the drying chamber (14) as a powdered product (17a). The floating powder product (17a) is collected by the product recovery device (
20), the product is separated into gas and product, and the gas is exhausted by an exhaust fan.
実験例
液状物質である被乾燥物を樹脂としたとき、従来の振動
がない場合と本発明の振動がある場合とを比較実験した
例を表に示す。これによると流動風速を小さくしても液
状物質の乾燥効率が高いことがわかる。Experimental Example The table shows an example of a comparative experiment between a conventional case without vibration and a case with vibration according to the present invention, when a resin was used as the liquid material to be dried. This shows that the drying efficiency of the liquid substance is high even when the flow wind speed is reduced.
本発明によらないとき 本発明によるとき（振動な
い （振動あり）熱風温度 ２００
℃ ２００℃排気温度 １４０℃
１１０℃流動風速 ３ｍ／ｓ
２．４ｍ／ｓ乾燥前水分 ５５％警Ｂ
５５％νＢ乾燥後水分０． ５９６ＶＢ
０． ５％ＶＢ品 温 １００℃
１００℃乾物処理量 １００
０ｋｇ／Ｈ１１０００）ｃ／Ｈ必要床面積 ６．６
ゴ ５．５ゴ乾燥効率 ３１．５％
４７．３％排風ｆｉ！ １０３７１１’
／ｍｉｎ ６４１１７１”／ｗｉｎ発明の効果
以上のように本発明によれば、振動発生装置により媒体
球を振動させるようにしたので、媒体球の比重が大きく
ても必要以上の風量を与えることなく、被乾燥物質の乾
燥特性に合わせた流動風速で効率よく液状物質を乾燥粉
末化することができ、その結果、排風量が少なくなりフ
ァン動力が少なくて済むとともに、製品回収装置を小型
化でき、装置全体が小型化されるという種々の利点を有
する。When not according to the present invention When according to the present invention (without vibration (with vibration)) Hot air temperature 200
℃ 200℃Exhaust temperature 140℃
110℃ flowing wind speed 3m/s
2.4m/s Moisture before drying 55% B
55%νB Moisture after drying 0. 596VB
0. 5%VB product Temperature: 100℃
100℃ dry matter processing amount 100
0kg/H11000) c/H Required floor space 6.6
Go 5.5 Go drying efficiency 31.5%
47.3% exhaust air fi! 103711'
/min 641171"/winEffects of the Invention As described above, according to the present invention, the medium sphere is vibrated by the vibration generator, so even if the specific gravity of the medium sphere is large, an excessive air volume is not applied. Liquid substances can be efficiently dried and powdered using a fluidizing air velocity that matches the drying characteristics of the substance to be dried.As a result, the amount of exhaust air is reduced, requiring less fan power, and the product recovery equipment can be downsized. It has various advantages in that the entire structure is miniaturized.
図は、本発明に係る流動層装置の概略図である。
（１Ｇ） ：乾燥筒体、 （１１）：透孔、（＋２
） ：整流板、 （１３） ：空気滞留室、
（＋４） ：乾燥室、 （１７） ：液状物質、
（＋８） ：媒体球、 （１９） ：供給ノ
ズル、（２２） ：振動発生装置。The figure is a schematic diagram of a fluidized bed apparatus according to the present invention. (1G): Dry tube, (11): Through hole, (+2
): rectifier plate, (13): air retention chamber,
(+4): Drying room, (17): Liquid substance,
(+8): Medium sphere, (19): Supply nozzle, (22): Vibration generator.
Claims (1)
）を有する整流板（１２）とを備え、前記乾燥筒体（１
０）内を前記整流板（１２）で仕切ることにより、この
整流板（１２）の上部を乾燥室（１４）、同下部を空気
滞留室（１３）とし、 前記乾燥室（１４）に複数のセラミックス製の媒体球（
１８、１８）を収容させるとともに、前記乾燥室（１４
）を振動させる振動発生装置（２２）を設け前記空気滞
留室（１３）を介して前記乾燥室（１４）に熱風を吹き
込み、この熱風圧と振動により前記媒体球（１８、１８
）を加熱しながら流動させ、かつ、前記乾燥筒体（１０
）の上部に液状物質供給ノズル（１９）を設置し、この
ノズル（１９）によって液状物質（１７）を前記媒体球
（１８、１８）の表面に滴下することを特徴とする媒体
球流動層装置。[Scope of Claims] [1] A drying cylinder (10) and a required number of through holes (11, 11
), the drying cylinder body (1
0) is partitioned by the rectifying plate (12), the upper part of the rectifying plate (12) is used as a drying chamber (14), the lower part thereof is an air retention chamber (13), and the drying chamber (14) has a plurality of Ceramic medium sphere (
18, 18), and the drying chamber (14
) is provided with a vibration generator (22) that vibrates hot air into the drying chamber (14) through the air retention chamber (13), and the hot air pressure and vibration cause the medium spheres (18, 18
) is made to flow while heating, and the dry cylinder (10
A medium sphere fluidized bed device characterized in that a liquid substance supply nozzle (19) is installed on the upper part of the medium sphere, and the liquid substance (17) is dripped onto the surface of the medium spheres (18, 18) by this nozzle (19). .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13208388A JPH01299637A (en) | 1988-05-30 | 1988-05-30 | Medium ball fluidizing layer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13208388A JPH01299637A (en) | 1988-05-30 | 1988-05-30 | Medium ball fluidizing layer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01299637A true JPH01299637A (en) | 1989-12-04 |
Family
ID=15073103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13208388A Pending JPH01299637A (en) | 1988-05-30 | 1988-05-30 | Medium ball fluidizing layer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01299637A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0945466A1 (en) * | 1996-12-11 | 1999-09-29 | Asahi Denka Kogyo Kabushiki Kaisha | Process and apparatus for producing chlorinated rubber |
| WO2013038658A1 (en) * | 2011-09-12 | 2013-03-21 | 東洋炭素株式会社 | Powder-processing device and powder-processing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5096967A (en) * | 1973-12-22 | 1975-08-01 | ||
| JPS61295486A (en) * | 1986-05-02 | 1986-12-26 | 株式会社 あじかん | Continuous vacuum drier by vibrational fluidized bed |
-
1988
- 1988-05-30 JP JP13208388A patent/JPH01299637A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5096967A (en) * | 1973-12-22 | 1975-08-01 | ||
| JPS61295486A (en) * | 1986-05-02 | 1986-12-26 | 株式会社 あじかん | Continuous vacuum drier by vibrational fluidized bed |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0945466A1 (en) * | 1996-12-11 | 1999-09-29 | Asahi Denka Kogyo Kabushiki Kaisha | Process and apparatus for producing chlorinated rubber |
| EP0945466A4 (en) * | 1996-12-11 | 2000-07-19 | Asahi Denka Kogyo Kk | Process and apparatus for producing chlorinated rubber |
| US6323261B2 (en) * | 1996-12-11 | 2001-11-27 | Asahi Denka Kogyo K.K. | Process and apparatus for producing chlorinated rubber |
| WO2013038658A1 (en) * | 2011-09-12 | 2013-03-21 | 東洋炭素株式会社 | Powder-processing device and powder-processing method |
| JP2013059709A (en) * | 2011-09-12 | 2013-04-04 | Toyo Tanso Kk | Powder-processing device and powder-processing method |
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