JPH1019219A - Solid body transfer device - Google Patents
Solid body transfer deviceInfo
- Publication number
- JPH1019219A JPH1019219A JP17648496A JP17648496A JPH1019219A JP H1019219 A JPH1019219 A JP H1019219A JP 17648496 A JP17648496 A JP 17648496A JP 17648496 A JP17648496 A JP 17648496A JP H1019219 A JPH1019219 A JP H1019219A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- screw
- bag
- supply
- screws
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は固形廃棄物用流動床
炉、ロータリーキルン炉等の固形廃棄物用焼却炉へ固形
廃棄物を移送する給塵装置等の固形物移送装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid material transfer device such as a dust supply device for transferring solid waste to a solid waste incinerator such as a fluidized bed furnace for solid waste and a rotary kiln furnace.
【０００２】[0002]
【従来の技術】図９〜図１０には、固形廃棄物焼却用流
動床炉に附設された固形廃棄物移送用の給塵装置の従来
の１例が示されている。図９〜図１０において１０は給
塵装置の本体、１は内部に固形廃棄物２が投入されるホ
ッパー、３は同ホッパーの下方にその軸線が平行になる
ように並設された２本の供給スクリュー、１１は同供給
スクリュー３を駆動するモータ、１２は供給スクリュー
３が収納される移送ダクトである。４は同ダクト１２の
固形物出口である。2. Description of the Related Art FIGS. 9 and 10 show a conventional example of a dust supply apparatus for transferring solid waste attached to a fluidized-bed furnace for incineration of solid waste. 9 and 10, reference numeral 10 denotes a main body of the dust supply device, 1 denotes a hopper into which solid waste 2 is charged, and 3 denotes two hoppers arranged below the hopper so that their axes are parallel to each other. A supply screw, 11 is a motor for driving the supply screw 3, and 12 is a transfer duct in which the supply screw 3 is stored. Reference numeral 4 denotes a solid outlet of the duct 12.
【０００３】上記給塵装置において、上記供給スクリュ
ー３は、図１０に示されるように、駆動用のモータ１１
によってＺ1 ，Ｚ2 矢印にて示される逆方向に回転せし
められ、ホッパー１内の固形廃棄物２をそのスクリュー
溝３ａ内に巻き込み、移送ダクト１２内を固形物出口４
へと移送せしめる。同出口４から送出された上記固形廃
棄物２は流動床炉（図示省略）に供給されて焼却され
る。[0003] In the dust supply device, the supply screw 3 is provided with a driving motor 11 as shown in FIG.
Z 1, Z 2 is rotated in the reverse direction indicated by an arrow, winding the solid waste 2 in the hopper 1 to the screw groove 3a, the solids outlet 4 the transport duct 12 by
Transfer to. The solid waste 2 sent out from the outlet 4 is supplied to a fluidized bed furnace (not shown) and incinerated.
【０００４】[0004]
【発明が解決しようとする課題】図９〜図１０に示され
る従来の給塵装置にあっては、互いに平行に並設された
２本の供給スクリュー３，３の間にホッパー１から落下
してくる固形廃棄物２をスクリュー溝３ａに巻き込ん
で、スクリューの進行によって出口４へと移送排出する
ように構成されているため、固形廃棄物の中に袋状体の
内部に固形物が収納された袋物が混入されている場合に
は、上記１対の供給スクリュー３，３による移送のみで
は上記袋物が破壊（破袋作用）されずに固形物出口４ま
で移送され、そのまま流動床に供給されることが多々あ
る。In the conventional dust feeder shown in FIGS. 9 and 10, the dust dropping from the hopper 1 between two feed screws 3, 3 arranged in parallel with each other. Since the incoming solid waste 2 is wound into the screw groove 3a and transported and discharged to the outlet 4 by the advance of the screw, the solid is stored in the bag-like body in the solid waste. In the case where the bag is mixed, the bag is transferred to the solid material outlet 4 without being destroyed (bag breaking action) only by the transfer by the pair of supply screws 3 and 3 and is directly supplied to the fluidized bed. There are many things.
【０００５】このため、上記給塵装置からは、ある時点
では上記袋物のような外形の大きな固形物が、他の時点
では細断された固形物が排出されるというように、排出
量変動が生じて均等な排出がなされなくなることとな
り、これが流動床炉に使用される場合は、かかる排出量
変動の発生により、燃焼の不安定化が誘発される。[0005] For this reason, from the dust supply device, the discharge amount fluctuates such that a solid having a large external shape such as the bag is discharged at a certain point in time, and a shredded solid is discharged at another point in time. As a result, uniform discharge is not achieved, and when this is used in a fluidized-bed furnace, the fluctuation of the discharge amount causes unstable combustion.
【０００６】本発明の目的は、袋物が混入された固形物
であっても袋物の破袋作用を確実になさしめ、これによ
って固形物の排出量変動の発生が回避されて固形物の排
出が均等になされ、流動床炉等においては燃焼の不安定
化の発生を防止し得る固形物の移送装置を提供すること
にある。SUMMARY OF THE INVENTION It is an object of the present invention to ensure that even if a solid material contains a bag material, the bag-breaking action of the bag material is ensured. It is an object of the present invention to provide an apparatus for transferring solids which can be made uniform and can prevent instability of combustion in a fluidized bed furnace or the like.
【０００７】[0007]
【課題を解決するための手段】本発明は上記問題点を解
決するもので、その要旨とする手段は、ホッパーに収容
された固形廃棄物等の固形物を回転駆動される供給スク
リューにより移送する固形物移送装置であって、上記供
給スクリューを２個以上並設するとともに、同供給スク
リューに近接せしめて破袋作用をなすロッド型パドルを
設けてなることを特徴とする固形物移送装置にある。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a gist of the invention is to transfer a solid such as solid waste contained in a hopper by a supply screw which is driven to rotate. A solid material transfer device, comprising: a plurality of the supply screws arranged side by side; and a rod-type paddle that performs bag-breaking action by being brought close to the supply screw. .
【０００８】上記手段によれば、相対する供給スクリュ
ー間に巻き込まれた袋物は、ロッド型パドルの正逆転に
よって袋体が破壊されるとともに、同袋体内にある固形
物も他の固形物とともに同時に細断され、袋体の破片が
供給スクリューやロッド型パドルに絡み付くことなく、
上記細断された固形物とともに滑らかに排出される。こ
れにより、上記供給スクリューによって移送される袋物
を含む固形物の移送ダクト出口からの排出量は均等化さ
れ、従来のもののような排出量の変動の発生が回避され
る。[0008] According to the above-mentioned means, the bag material entrained between the opposing supply screws is destroyed by the forward / reverse rotation of the rod-type paddle, and the solid matter in the bag body is simultaneously removed with other solid matter. It is shredded and the bag fragments are not entangled with the supply screw or rod type paddle,
Smoothly discharged with the shredded solids. Thereby, the discharge amount of the solid matter including the bag transferred by the supply screw from the transfer duct outlet is equalized, and the fluctuation of the discharge amount unlike the conventional one is avoided.
【０００９】また上記手段に加えて、上記供給スクリュ
ーを双方の軸心を平行にして２個設け、上記２個の供給
スクリューの間に２個の上記ロッド型パドルを、その軸
心が上記供給スクリューの軸心と平行になるように設置
したことも本発明の手段の１つである。このように構成
すれば、ロッド型パドルを２個設けたので、２本のパド
ル間においても袋物の破袋作用及び固形物の細断作用が
なされることとなり、さらに大きな破袋効果及び固形物
の細断効果が得られる。[0009] In addition to the above means, two supply screws are provided with their axes parallel to each other, and two rod-type paddles are provided between the two supply screws and the axis of the supply paddle is the supply pad. One of the means of the present invention is that the screw is installed so as to be parallel to the axis of the screw. According to this structure, since two rod-type paddles are provided, the bag-breaking action of the bag and the shredding action of the solid matter are performed between the two paddles, and a larger bag-breaking effect and a solid matter are achieved. Is obtained.
【００１０】さらに、上記手段は流動床炉等の廃棄物焼
却炉に適用すれば、上記のような作用により、袋物を含
む固形廃棄物の給塵装置からの排出量変動の発生が防止
されて、これによる燃焼の不安定化が回避され、さらに
搬送抵抗が少なくなり、従来のものに較べて供給スクリ
ューの回転の高回転化が可能となり、給塵性能が向上す
る。Further, if the above-mentioned means is applied to a waste incinerator such as a fluidized-bed furnace, the above-mentioned operation can prevent fluctuations in the discharge amount of solid waste including bags from the dust supply device. In this way, combustion instability due to this is avoided, the transport resistance is further reduced, and the rotation of the supply screw can be increased as compared with the conventional one, and the dust supply performance is improved.
【００１１】[0011]
【発明の実施の形態】以下図１〜図８を参照して本発明
の実施形態につき詳細に説明する。図１〜図３には本発
明の実施形態に係る流動床炉用給塵装置の構造図が、図
４〜図５には上記給塵装置用供給スクリューの構造図
が、図６〜図７にはロッド型パドルの構造図が夫々示さ
れている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to FIGS. 1 to 3 are structural diagrams of a dust feeder for a fluidized bed furnace according to an embodiment of the present invention, and FIGS. 4 to 5 are structural views of the feed screw for the dust feeder, and FIGS. 2 shows a structural diagram of a rod-type paddle.
【００１２】図１〜図３において、１０は給塵装置の本
体、１はホッパーであり、同ホッパー１内には袋物５を
含む固形廃棄物２が投入されるようになっている。３，
３は上記ホッパー１の下方に、軸線が平行になるように
並設された２本の供給スクリューである。同供給スクリ
ュー３，３は、図１，図４，図５に示されるように、棒
体あるいは筒体の外周に板状体を螺旋状に巻回してスク
リュー３ｂが形成され、同スクリュー３ｂ間に形成され
るスクリュー溝３ａ内に上記固形廃棄物２を巻き込み搬
送するようになっている。1 to 3, reference numeral 10 denotes a main body of a dust supply device, and 1 denotes a hopper, into which solid waste 2 including bags 5 is charged. 3,
Reference numeral 3 denotes two supply screws arranged below the hopper 1 so that their axes are parallel to each other. As shown in FIGS. 1, 4 and 5, the feed screws 3 and 3 are formed by spirally winding a plate-like body around the outer periphery of a rod or a cylinder to form a screw 3b. The solid waste 2 is wound into and conveyed into a screw groove 3a formed in the screw groove 3a.
【００１３】１１は上記供給スクリュー３，３を駆動す
るモータ、１２は上記供給スクリュー３，３及び後述す
るロッド型パネル６が収納される移送ダクト、４は同移
送ダクト１２の固形物出口である。Reference numeral 11 denotes a motor for driving the supply screws 3, 3; 12, a transfer duct for accommodating the supply screws 3, 3 and a rod-type panel 6 to be described later; and 4, a solid outlet of the transfer duct 12. .
【００１４】６はロッド型パドルであり、図２に示され
るように、上記対をなす供給スクリュー３，３の間に軸
心が同スクリュー３，３の軸心と平行になるように設け
られている。上記ロッド型パドル６は、図２，図６，図
７に示されるように、棒状あるいは筒状の軸６ａの外周
に一定のピッチｐにて円周方向に沿って複数個のロッド
７が突設されて構成され、上記供給スクリュー３，３の
スクリュー溝３ａ内に上記ロッド７が入り込み、同スク
リュー溝３ａ内の固形廃棄物を破砕するように構成され
ている。Reference numeral 6 denotes a rod-type paddle, which is provided between the pair of supply screws 3 so that the axis thereof is parallel to the axis of the screws 3 as shown in FIG. ing. As shown in FIGS. 2, 6, and 7, the rod-type paddle 6 has a plurality of rods 7 projecting along the circumferential direction at a constant pitch p around the outer periphery of a rod-shaped or cylindrical shaft 6a. The rod 7 enters the screw grooves 3a of the supply screws 3 and 3 to crush solid waste in the screw grooves 3a.
【００１５】１３は上記ロッド型パドル６に駆動用の可
逆回転型のモータであり、同モータ１３の出力端はプー
リ１３ａ、ベルト１４及び従動側のプーリ６ｂを介して
上記ロッド型パドル６に連結されている。Reference numeral 13 denotes a reversible rotary motor for driving the rod-type paddle 6, and an output end of the motor 13 is connected to the rod-type paddle 6 via a pulley 13a, a belt 14, and a driven pulley 6b. Have been.
【００１６】上記のように構成された給塵装置の運転時
において、上記供給スクリュー３，３は、従来のものと
同様に、モータ１１により互いに逆方向に回転せしめら
れ、ホッパー１内にある袋物５が混入された固形廃棄物
２を巻き込み、スクリュー３ｂの進行によってスクリュ
ー溝３ａ内を破砕しながら移送ダクト１２の出口側へと
移送せしめる。During operation of the dust supply apparatus constructed as described above, the supply screws 3, 3 are rotated in opposite directions by a motor 11 in the same manner as in the prior art, and The solid waste 2 mixed with 5 is taken in, and is transferred to the outlet side of the transfer duct 12 while crushing the inside of the screw groove 3a by the advance of the screw 3b.
【００１７】一方、上記ロッド型パドル６は、可逆回転
式の上記モータ１３から駆動側のプーリ１３ａ、ベルト
１４及び従動側のプーリを介して駆動され、正、逆転を
繰り返す。上記のようにして供給スクリュー３，３のス
クリュー溝３ａ内に巻き込まれた袋物５は、上記スクリ
ュー溝３ａ内において上記ロッド型パドル６の押し潰し
あるいは引き裂き作用（破袋作用）によって破袋せしめ
られ、また破袋された袋の破片は上記供給スクリュー
３，３やロッド型パドル６に絡み付くことなく、上記固
形廃棄物２とともにダクト１２内を出口４へと移送され
る。On the other hand, the rod-type paddle 6 is driven by the reversible rotating motor 13 via a driving pulley 13a, a belt 14, and a driven pulley, and repeats forward and reverse rotations. The bag 5 wound into the screw grooves 3a of the supply screws 3 as described above is broken in the screw grooves 3a by the crushing or tearing action (bag breaking action) of the rod-type paddle 6. The broken pieces of the bag are transferred to the outlet 4 through the duct 12 together with the solid waste 2 without being entangled with the supply screws 3 and 3 and the rod type paddle 6.
【００１８】従って、上記袋物５は、供給スクリュー
３，３間におけるロッド型パドル６の正逆転により、袋
体が破壊されるとともに、同袋体内にある固形廃棄物も
他の固形廃棄物とともに同時に細断されて移送され、出
口４から排出されることとなる。これによって、上記供
給スクリュー３，３により搬送される袋物を含む固形物
の出口４からの排出量が均等となり、排出量変動の発生
が回避される。Therefore, the bag 5 is broken by the forward / reverse rotation of the rod-type paddle 6 between the supply screws 3 and 3, and the solid waste in the bag is simultaneously removed with the other solid waste. It is shredded and transported, and is discharged from the outlet 4. As a result, the discharge amount of the solid matter including the bag conveyed by the supply screws 3 and 3 from the outlet 4 becomes uniform, and the occurrence of the discharge amount fluctuation is avoided.
【００１９】図８には本発明の実施の第２形態に係る給
塵装置の正面図が示されている。この実施形態において
は、対をなす供給スクリュー３，３の間に、同供給スク
リュー３，３と平行に上，下に２本の正逆転するロッド
型パドル６，６を介装している。この場合はロッド型パ
ドル６，６を２本設けているので、２本のパドル６，６
間においても袋体５の破袋作用及び固形廃棄物の細断作
用がなされる、上記第１形態よりも袋物の破袋作用及び
固形廃棄物の細断作用が増大される。FIG. 8 is a front view of a dust supply device according to a second embodiment of the present invention. In this embodiment, two forward and reverse rod-type paddles 6 and 6 are interposed between a pair of supply screws 3 and 3 in parallel with and parallel to the supply screws 3 and 3. In this case, since two rod-type paddles 6 and 6 are provided, two paddles 6 and 6 are provided.
The bag-breaking action of the bag body 5 and the shredding action of the solid waste are performed between them, and the bag-breaking action of the bag and the shredding action of the solid waste are increased as compared with the first embodiment.
【００２０】[0020]
【発明の効果】本発明は以上のように構成されており、
本発明によれば、ロッド型パドルによって供給スクリュ
ーに巻き込まれた袋物の袋体が破壊されるとともに、袋
体内及び他の固形物も細断されて、袋体の破片の供給ス
クリュー等への絡みの発生もなく、袋体内の固形物及び
他の固形物は均等に外部に排出され、従来のもののよう
な排出量変動の発生も回避される。The present invention is configured as described above.
According to the present invention, the bag of the bag wound around the supply screw by the rod-type paddle is broken, and the bag and other solid matter are also shredded, and the fragments of the bag are entangled with the supply screw and the like. The solid matter and other solid matter in the bag body are uniformly discharged to the outside without occurrence of the discharge, and the occurrence of fluctuation in discharge amount unlike the conventional one is also avoided.
【００２１】また供給スクリューの抵抗が低減されるの
で、スクリューの回転数の増大による効率の向上が得ら
れる。Further, since the resistance of the supply screw is reduced, the efficiency can be improved by increasing the rotation speed of the screw.
【００２２】これによって流動床焼却炉の場合には、焼
却炉における燃焼の不安定化の発生が回避される。Thus, in the case of a fluidized bed incinerator, the occurrence of unstable combustion in the incinerator is avoided.
【００２３】また請求項２のように構成すれば、２個の
ロッド型パドルの間においても破袋、細断作用がなされ
るので、上記よりもさらに高い破袋効果及び固形物の細
断効果が得られる。According to the second aspect of the present invention, since the bag breaking and shredding action is performed even between the two rod-type paddles, the bag breaking effect and the solid material shredding effect are higher than those described above. Is obtained.
【図１】本発明の実施の第１形態に係る流動床炉用給塵
装置の側面図。FIG. 1 is a side view of a fluidized bed furnace dust supply device according to a first embodiment of the present invention.
【図２】図１のＡ矢視図。FIG. 2 is a view taken in the direction of arrow A in FIG. 1;
【図３】図２のＢ−Ｂ線矢視図。FIG. 3 is a view taken along line BB of FIG. 2;
【図４】上記実施形態における供給スクリューの側面
図。FIG. 4 is a side view of the supply screw in the embodiment.
【図５】図４のＣ矢視図。FIG. 5 is a view taken in the direction of the arrow C in FIG. 4;
【図６】上記実施形態におけるロッド型パドルの側面
図。FIG. 6 is a side view of the rod-type paddle in the embodiment.
【図７】図６のＤ矢視図。FIG. 7 is a view taken in the direction of arrow D in FIG. 6;
【図８】本発明の実施の第２形態を示す図２応当図。FIG. 8 is an equivalent view of FIG. 2 showing a second embodiment of the present invention.
【図９】従来の給塵装置を示す図２応当図。FIG. 9 is an equivalent view of FIG. 2 showing a conventional dust supply device.
【図１０】図９のＥ矢視図。FIG. 10 is a view taken in the direction of arrow E in FIG. 9;
１ ホッパー ２ 固形廃棄物 ３ 供給スクリュー ３ａ スクリュー溝 ３ｂ スクリュー ４ 固形物出口 ５ 袋物 ６ ロッド型パドル ６ａ 軸 ７ ロッド １０ 本体 １１，１３ モータ １２ 移送ダクト DESCRIPTION OF SYMBOLS 1 Hopper 2 Solid waste 3 Supply screw 3a Screw groove 3b Screw 4 Solid outlet 5 Bag 6 Rod type paddle 6a Shaft 7 Rod 10 Main body 11, 13 Motor 12 Transfer duct
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐藤 和夫 横浜市中区錦町12番地 三菱重工業株式会 社横浜製作所内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kazuo Sato 12 Nishikicho, Naka-ku, Yokohama-shi Yokohama Heavy Industries, Ltd.
Claims (2)
形物を回転駆動される供給スクリューにより移送する固
形物移送装置であって、上記供給スクリューを２個以上
並設するとともに、同供給スクリューに近接せしめて破
袋作用をなすロッド型パドルを設けてなることを特徴と
する固形物移送装置。1. A solid material transfer device for transferring solid matter such as solid waste contained in a hopper by a rotationally driven supply screw. A rod-type paddle for closing the bag, which acts as a bag breaker.
にして２個設け、上記２個の供給スクリューの間に２個
の上記ロッド型パドルを、その軸心が上記供給スクリュ
ーの軸心と平行になるように設置した請求項１に記載の
固形物移送装置。2. The two supply screws are provided with their axes parallel to each other, and two rod-type paddles are provided between the two supply screws, the axes of which are aligned with the axes of the supply screws. The solid matter transfer device according to claim 1, wherein the solid matter transfer device is installed so as to be parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17648496A JP3258566B2 (en) | 1996-07-05 | 1996-07-05 | Solid transfer equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17648496A JP3258566B2 (en) | 1996-07-05 | 1996-07-05 | Solid transfer equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1019219A true JPH1019219A (en) | 1998-01-23 |
| JP3258566B2 JP3258566B2 (en) | 2002-02-18 |
Family
ID=16014477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17648496A Expired - Lifetime JP3258566B2 (en) | 1996-07-05 | 1996-07-05 | Solid transfer equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3258566B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003048626A (en) * | 2001-08-06 | 2003-02-21 | Mitsubishi Heavy Ind Ltd | Triaxial refuse feeding machine |
| JP5627765B2 (en) * | 2011-03-11 | 2014-11-19 | 三菱重工環境・化学エンジニアリング株式会社 | Dust supply device |
| CN106322391A (en) * | 2016-11-19 | 2017-01-11 | 无锡大功机械制造有限公司 | Feed structure of garbage combustion furnace |
| US9702553B2 (en) | 2011-03-28 | 2017-07-11 | Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | Waste material supply device and waste material processing device |
| CN110274243A (en) * | 2019-06-20 | 2019-09-24 | 徐州万佳机电设备制造有限公司 | One kind being used for energy conservation and environmental protection pyrolytic equipment for life refuse |
-
1996
- 1996-07-05 JP JP17648496A patent/JP3258566B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003048626A (en) * | 2001-08-06 | 2003-02-21 | Mitsubishi Heavy Ind Ltd | Triaxial refuse feeding machine |
| JP5627765B2 (en) * | 2011-03-11 | 2014-11-19 | 三菱重工環境・化学エンジニアリング株式会社 | Dust supply device |
| US9869472B2 (en) | 2011-03-11 | 2018-01-16 | Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | Garbage supply device |
| US9702553B2 (en) | 2011-03-28 | 2017-07-11 | Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | Waste material supply device and waste material processing device |
| CN106322391A (en) * | 2016-11-19 | 2017-01-11 | 无锡大功机械制造有限公司 | Feed structure of garbage combustion furnace |
| CN110274243A (en) * | 2019-06-20 | 2019-09-24 | 徐州万佳机电设备制造有限公司 | One kind being used for energy conservation and environmental protection pyrolytic equipment for life refuse |
| CN110274243B (en) * | 2019-06-20 | 2020-08-07 | 徐州万佳机电设备制造有限公司 | Energy-saving and environment-friendly household garbage pyrolysis equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3258566B2 (en) | 2002-02-18 |
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