JPH0816247B2 - Vacuum evaporation recovery method and device - Google Patents
Vacuum evaporation recovery method and deviceInfo
- Publication number
- JPH0816247B2 JPH0816247B2 JP33605791A JP33605791A JPH0816247B2 JP H0816247 B2 JPH0816247 B2 JP H0816247B2 JP 33605791 A JP33605791 A JP 33605791A JP 33605791 A JP33605791 A JP 33605791A JP H0816247 B2 JPH0816247 B2 JP H0816247B2
- Authority
- JP
- Japan
- Prior art keywords
- retort
- furnace
- vacuum evaporation
- furnace body
- heating
- 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 - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Description
【０００１】[0001]
【産業上の利用分野】本発明は、被処理物の表面に施さ
れたメッキや混合物等を、効率よく真空中で蒸発（以下
真空蒸発という）させて回収するようにした真空蒸発回
収方法及び装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum evaporation recovery method and a vacuum evaporation recovery method for efficiently recovering a plating, a mixture or the like applied to the surface of an object to be processed in a vacuum (hereinafter referred to as vacuum evaporation). It relates to the device.
【０００２】[0002]
【従来の技術】例えば、自動車のボディ表面にメッキさ
れた亜鉛やニッケルを真空蒸発によって除去する場合、
真空炉内の低温度期における昇温は従来輻射加熱のみに
より行なわれていたので、昇温速度が著しく遅かった。
そのため、多量処理する場合には設備仕様を大型化する
か、何台もの設備を用意しなくてはならないので、イニ
シャルコスト及びランニングコストが非常に高くなり、
コストメリットがなくなるという問題があった。2. Description of the Related Art For example, when removing zinc or nickel plated on the surface of an automobile body by vacuum evaporation,
Since the temperature rise in the vacuum furnace during the low temperature period was conventionally performed only by radiant heating, the rate of temperature rise was extremely slow.
Therefore, when processing a large amount of equipment, it is necessary to enlarge the equipment specifications or prepare many equipments, so the initial cost and running cost become very high,
There was a problem that the cost merit disappeared.
【０００３】[0003]
【発明が解決しようとする課題】上述したように、従来
の真空炉においては昇温速度が遅く、コストメリットが
ないという問題があった。そこで本発明は、そのような
問題を解決した真空蒸発回収方法及び装置を提供するこ
とを課題とする。As described above, the conventional vacuum furnace has a problem that the temperature rising rate is slow and there is no cost merit. Therefore, an object of the present invention is to provide a vacuum evaporation recovery method and apparatus that solve such problems.
【０００４】[0004]
【課題を解決するための手段】本発明は、被処理物を投
入した炉内を減圧した後加熱することにより、被処理物
表面から真空蒸発する蒸発物を凝縮固化して回収する真
空蒸発回収方法において、前記被処理物を二重にしたレ
トルト間に投入し、前記レトルトの外側と内側から加熱
するという手段、並びに、内面に断熱材を張った密閉可
能な蓋付きの炉体容器を設け、前記炉体容器内に前記断
熱材との間に間隙を保持して外レトルトを配備すると共
に、前記外レトルト内に内レトルトを装入して内外レト
ルト間に被処理物の投入空間を形成し、前記外レトルト
の外側に加熱ヒ−タ−を設置すると共に前記内レトルト
の内側に加熱ヒ−タ−を設置し、更に前記炉体容器に、
炉内を減圧すると共に炉内蒸発物を固化回収する回収装
置を設置して成る真空蒸発回収装置、を以て上記課題を
解決した。昇温をより加速するためには、加熱中前記二
重のレトルトを回転させる。SUMMARY OF THE INVENTION The present invention is a vacuum evaporation recovery for recovering by evaporating vacuum evaporation from the surface of an object to be processed by decompressing and heating the inside of a furnace into which the object is charged. In the method, means for charging the object to be treated between doubled retorts and heating from outside and inside of the retort, and a furnace body container with a sealable lid having an inner surface covered with a heat insulating material are provided. , An outer retort is provided in the furnace body container while maintaining a gap between the heat insulator and the inner retort, and an inner retort loading space is formed between the inner and outer retorts. Then, a heating heater is installed on the outside of the outer retort and a heating heater is installed on the inside of the inner retort, and further, in the furnace body container,
The above-mentioned problems are solved by a vacuum evaporation recovery apparatus which is provided with a recovery apparatus for decompressing the inside of the furnace and solidifying and recovering the evaporation material in the furnace. In order to further accelerate the temperature rise, the double retort is rotated during heating.
【０００５】[0005]
【作 用】二重のレトルト間に投入された被処理物は、
外側からだけでなく内側からも加熱されるので、昇温効
率が高くなる。また、加熱中二重のレトルトを回転させ
る場合は、熱の通りが助長されるので、昇温効率が一層
高まる。[Operation] The object to be processed put between the double retorts is
Since the heating is performed not only from the outside but also from the inside, the temperature rising efficiency is increased. Further, when the double retort is rotated during heating, the passage of heat is promoted, so that the temperature raising efficiency is further enhanced.
【０００６】[0006]
【実施例】本発明の好適な実施例を添付図面に依拠して
説明する。図１は本発明に係る方法を実施するに好適な
装置の縦断面図で、図中１は密閉可能な通例円筒状の炉
体容器であり、上面（図１において右端）に炉蓋２を備
えている。炉体容器１の内側面には断熱材３が張られ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a vertical cross-sectional view of an apparatus suitable for carrying out the method according to the present invention. In FIG. 1, reference numeral 1 is a hermetically-sealed generally cylindrical furnace body container, and a furnace lid 2 is provided on an upper surface (right end in FIG. 1). I have it. A heat insulating material 3 is stretched on the inner surface of the furnace body container 1.
【０００７】４は炉体容器１内に挿入された外レトルト
で、炉体容器１の炉底において回転可能に軸支される。
５は外レトルト４を回転駆動するモ−タ−等の回転駆動
装置である。外レトルト４の内側には内レトルト６が配
備され、外レトルト４と内レトルト６との間に被処理物
７の投入空間が形成される。図２に示すように、外レト
ルト４の内面に螺旋４ａが切られることもある。この螺
旋４ａがある場合には、被処理物７への熱の通りがよく
なり、また、回転時に被処理物７が混ざって均一に加熱
されるようになる。なお、図２における外レトルト４
は、左側が上である。寸法の異なる内レトルト６を用い
ることにより、被処理物投入空間の容量を変えることが
できるようにしてもよい。Reference numeral 4 denotes an outer retort inserted into the furnace body container 1, which is rotatably supported at the furnace bottom of the furnace body container 1.
Reference numeral 5 is a rotary drive device such as a motor for rotationally driving the outer retort 4. An inner retort 6 is provided inside the outer retort 4, and a space for inserting the object 7 to be processed is formed between the outer retort 4 and the inner retort 6. As shown in FIG. 2, the spiral 4a may be cut on the inner surface of the outer retort 4. When the spiral 4a is provided, the heat to the object 7 to be processed is improved, and the object 7 to be processed is mixed and uniformly heated during rotation. The outer retort 4 shown in FIG.
Is on the left side. By using the inner retort 6 having different dimensions, the capacity of the space for introducing the object to be processed may be changed.
【０００８】８は断熱材３と外レトルト４との間に配備
された抵抗ヒ−タ−等の加熱ヒ−タ−であり、これによ
り被処理物７が外側から加熱される。また、９は内レト
ルト６内に配備された加熱ヒ−タ−８同様の加熱ヒ−タ
−で、これにより被処理物７が内側から加熱される。10
は炉体容器１内に接続された回収装置で、真空ポンプ11
を介して炉体容器１内を減圧し、炉体容器１内において
発生する真空蒸発物を回収する。Reference numeral 8 is a heating heater such as a resistance heater provided between the heat insulating material 3 and the outer retort 4, whereby the object 7 is heated from the outside. Further, 9 is a heating heater similar to the heating heater 8 arranged in the inner retort 6, by which the object 7 is heated from the inside. Ten
Is a recovery device connected to the inside of the furnace container 1, and is a vacuum pump 11
The inside of the furnace body container 1 is decompressed via the, and the vacuum evaporation product generated in the furnace body container 1 is recovered.
【０００９】12は炉蓋２を開閉するための炉蓋開閉用シ
リンダ−、13は炉体容器全体を回動させるための回動用
シリンダ−で、共に一対設置されることが好ましい。炉
蓋開閉用シリンダ−12は炉体容器１の側面に揺動可能に
取り付けられ、回動用シリンダ−13は本装置設置面に揺
動可能に取り付けられる。14は炉体容器１の回動動作を
軸支する支柱である。また、15はメッシュベルト16上に
設置された被処理物ガイドで、炉体容器１から排出され
る被処理物７を、まとめてメッシュベルト16上に導くた
めのものである。Reference numeral 12 is a furnace lid opening / closing cylinder for opening / closing the furnace lid 2, and 13 is a rotating cylinder for rotating the entire furnace body container, and a pair of them is preferably installed. The furnace lid opening / closing cylinder-12 is swingably attached to the side surface of the furnace body container 1, and the rotating cylinder-13 is swingably attached to the apparatus installation surface. Reference numeral 14 is a column that pivotally supports the rotating operation of the furnace body container 1. Further, reference numeral 15 is an object guide installed on the mesh belt 16, which guides the objects 7 discharged from the furnace body container 1 together onto the mesh belt 16.
【００１０】次に、上記構成の装置を用いて被処理物を
処理する手順につき順に説明する。 （１）回動用シリンダ−13の作用で炉体容器１を上向き
にする。 （２）炉蓋開閉用シリンダ−12の作用で炉蓋２を開き、
外レトルト４と内レトルト６の間の投入空間に被処理物
７を投入する。 （３）炉蓋開閉用シリンダ−12の作用で炉蓋２を閉じ
る。 （４）真空ポンプ11の作用で炉体容器１内を減圧する。
ある温度まで空気又はチッ素ガスで加熱した後、減圧す
ることもある。 （５）指定値まで減圧した後、加熱ヒ−タ−８、９によ
り外側と内側から被処理物７を加熱する。この場合、昇
温速度に応じて外レトルト４を回転させて、昇温を促進
することもある。 （６）昇温中又は均熱中に、被処理物７より出る蒸発物
を回収装置10に導き、凝縮させて回収する。 （７）炉蓋２を開き、炉体容器１を下向きにして被処理
物７を滑落させ、被処理物ガイト15を通してメッシュベ
ルト16上に落下させる。Next, a procedure for processing an object to be processed by using the apparatus having the above-mentioned structure will be described in order. (1) The furnace body container 1 is turned upward by the action of the rotating cylinder-13. (2) Open the furnace lid 2 by the action of the furnace lid opening and closing cylinder-12,
The material 7 to be processed is loaded into the loading space between the outer retort 4 and the inner retort 6. (3) The furnace lid 2 is closed by the action of the furnace lid opening / closing cylinder-12. (4) The inside of the furnace container 1 is decompressed by the action of the vacuum pump 11.
After heating to a certain temperature with air or nitrogen gas, the pressure may be reduced. (5) After reducing the pressure to the specified value, the heating objects 8 and 9 heat the object 7 to be treated from the outside and the inside. In this case, the outer retort 4 may be rotated according to the rate of temperature increase to accelerate the temperature increase. (6) During the temperature rise or soaking, the evaporant emitted from the object to be treated 7 is guided to the recovery device 10, condensed and recovered. (7) The furnace lid 2 is opened, the furnace body container 1 is faced downward, and the object 7 is slid down and dropped onto the mesh belt 16 through the object gate 15.
【００１１】本発明に係る方法の有効性を確認するため
の試験を次のような条件で行なったところ、図３に示す
ような結果が得られた。 真空度 ５×10-3 Ｔｏｒｒ 被処理物 300 ｋｇ 電気量 120 ｋｗ 測温個所 被処理物中心部 外レトルト寸法 内径 700ｍｍ、長さ1000ｍｍ 内レトルト寸法 内径 200ｍｍ、長さ1000ｍｍA test for confirming the effectiveness of the method according to the present invention was conducted under the following conditions, and the results shown in FIG. 3 were obtained. Degree of vacuum 5 × 10 -3 Torr Object to be processed 300 kg Electricity 120 kW Temperature measuring point Center of object to be processed Outer retort dimension Inner diameter 700 mm, length 1000 mm Inner retort dimension Inner diameter 200 mm, length 1000 mm
【００１２】図３における曲線Ａは、被処理物７を内外
から加熱し、外レトルト４を回転させた場合の昇温カ−
ブ、曲線Ｂは被処理物７を内外から加熱し、外レトルト
４は回転させない場合の昇温カ−ブ、そして曲線Ｃは外
側加熱のみの場合の昇温カ−ブを示すものである。この
グラフから明らかなように、本発明に係る方法に拠った
場合は、従来の方法に比べて２時間から２時間半昇温が
早まることが確認された。A curve A in FIG. 3 shows a heating curve when the object 7 is heated from the inside and outside and the outer retort 4 is rotated.
Curve B shows the heating curve when the object 7 is heated from the inside and outside and the outer retort 4 is not rotated, and curve C shows the heating curve when only the outside heating is performed. As is clear from this graph, it was confirmed that when the method according to the present invention was used, the temperature rise was accelerated from 2 hours to 2 hours and a half as compared with the conventional method.
【００１３】[0013]
【発明の効果】本発明は上述した通りであって、被処理
物の加熱昇温を迅速に効率よく行なうことができ、殊に
外レトルトを回転させるときにはその効果は一層顕著と
なり、処理能力が向上してランニングコストが低廉化さ
れ、廃棄物の再利用並びに回収される亜鉛等の蒸発物の
再利用が可能で、産業廃棄物による環境問題をも解決し
得る大変に有用なものである。INDUSTRIAL APPLICABILITY The present invention is as described above, and it is possible to rapidly and efficiently heat and heat the object to be treated, and particularly when the outer retort is rotated, the effect becomes more remarkable and the treatment capacity is increased. It is possible to improve the running cost, to reuse the waste, and to reuse the evaporated material such as zinc that is collected, which is very useful for solving the environmental problems caused by the industrial waste.
【図面の簡単な説明】[Brief description of drawings]
【図１】 本発明に係る方法を実施するための装置の構
成例を示す縦断面図である。FIG. 1 is a vertical cross-sectional view showing a structural example of an apparatus for carrying out the method according to the present invention.
【図２】 外レトルトの構成例を示す部分断面図であ
る。FIG. 2 is a partial cross-sectional view showing a configuration example of an outer retort.
【図３】 被処理物の加熱昇温速度の試験結果を示すグ
ラフである。FIG. 3 is a graph showing a test result of a heating rate of heating of an object to be treated.
１ 炉体容器 ２ 炉蓋 ３ 断熱材 ４ 外レトルト ５ 回転駆動装置 ６ 内レトルト ７ 被処理物 ８ 加熱ヒ−タ− ９ 加熱ヒ−タ− 10 回収装置 11 真空ポンプ 12 炉蓋開閉用シリンダ− 13 回動用シリンダ− 14 支柱 15 被処理物ガイド 16 メッシュベルト 1 Furnace Container 2 Furnace Lid 3 Insulating Material 4 Outer Retort 5 Rotational Drive 6 Inner Retort 7 Object to be Treated 8 Heating Heater 9 Heating Heater 10 Recovery Device 11 Vacuum Pump 12 Cylinder for Opening and Closing the Furnace Lid 13 Cylinder for rotation-14 Strut 15 Workpiece guide 16 Mesh belt
Claims (4)
た後加熱することにより、被処理物表面から真空蒸発す
る蒸発物を凝縮固化して回収する真空蒸発回収方法にお
いて、前記炉体容器内に外レトルトを配備すると共に、
前記外レトルト内に内レトルトを装入して内外レトルト
間に被処理物の投入空間を形成し、前記外レトルトの外
側に加熱ヒーターを設置すると共に前記内レトルトの内
側に加熱ヒーターを設置することにより、前記被処理物
を、前記投入空間に投入した後外側及び内側から加熱す
ることを特徴とする真空蒸発回収方法。[Claim 1 wherein] by heating and then the pressure was reduced to be treated furnace vessel was charged, in a vacuum evaporation recovery method for recovering condensed solidified evaporant vacuum evaporated from the object surface to be treated, the furnace body While deploying an outer retort in the container,
Insert the inner retort into the outer retort and insert the inner and outer retorts.
A space for loading the material to be processed is formed between the outer retort and
Install a heater on the side of the retort
A vacuum evaporation recovery method, characterized in that a heating heater is installed on the side to heat the object to be treated from the outside and the inside after charging it into the charging space .
方を回転させながら加熱することを特徴とする請求項１
記載の真空蒸発回収方法。2. At least one of the inner and outer double retorts .
The heating is performed while rotating one side.
The vacuum evaporation recovery method described.
の炉体容器を設け、前記炉体容器内に前記断熱材との間
に間隙を保持して外レトルトを配備すると共に、前記外
レトルト内に内レトルトを装入して内外レトルト間に被
処理物の投入空間を形成し、前記外レトルトの外側に加
熱ヒーターを設置すると共に前記内レトルトの内側に加
熱ヒーターを設置し、更に前記炉体容器に、炉内を減圧
すると共に炉内蒸発物を固化回収する回収装置を設置し
て成る真空蒸発回収装置。3. A furnace body container provided with a heat-insulating material on the inner surface thereof and having a sealable lid is provided, and an outer retort is provided in the furnace body container while maintaining a gap between the furnace body container and the heat insulating material. An inner retort is charged into the outer retort to form a space for introducing the object to be treated between the inner and outer retorts, a heater is installed outside the outer retort, and a heater is installed inside the inner retort. A vacuum evaporation recovery apparatus, comprising a recovery apparatus installed in the furnace body container for decompressing the inside of the furnace and solidifying and recovering the evaporation material in the furnace.
載の真空蒸発回収装置。4. The vacuum evaporation recovery apparatus according to claim 3, wherein the outer retort is rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33605791A JPH0816247B2 (en) | 1991-11-26 | 1991-11-26 | Vacuum evaporation recovery method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33605791A JPH0816247B2 (en) | 1991-11-26 | 1991-11-26 | Vacuum evaporation recovery method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0693347A JPH0693347A (en) | 1994-04-05 |
| JPH0816247B2 true JPH0816247B2 (en) | 1996-02-21 |
Family
ID=18295257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33605791A Expired - Fee Related JPH0816247B2 (en) | 1991-11-26 | 1991-11-26 | Vacuum evaporation recovery method and device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0816247B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101257430B1 (en) * | 2011-05-27 | 2013-04-23 | 재단법인 포항산업과학연구원 | Device for manufacturing magnesium |
| CN109609787A (en) * | 2019-01-02 | 2019-04-12 | 北京科技大学 | A kind of device for smelting magnesium, calcium, strontium, barium |
-
1991
- 1991-11-26 JP JP33605791A patent/JPH0816247B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0693347A (en) | 1994-04-05 |
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