JPH0539605A - Asphalt mixture manufacturing apparatus - Google Patents
Asphalt mixture manufacturing apparatusInfo
- Publication number
- JPH0539605A JPH0539605A JP22332591A JP22332591A JPH0539605A JP H0539605 A JPH0539605 A JP H0539605A JP 22332591 A JP22332591 A JP 22332591A JP 22332591 A JP22332591 A JP 22332591A JP H0539605 A JPH0539605 A JP H0539605A
- Authority
- JP
- Japan
- Prior art keywords
- waste material
- combustion chamber
- material dryer
- hot air
- dryer
- 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
Landscapes
- Road Paving Machines (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、道路舗装廃材であるア
スファルト合材を製造する装置に関し、特に新規骨材を
加熱する新材ドライヤと廃材を加熱する廃材ドライヤと
を併設したアスファルト合材製造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 an apparatus for producing asphalt mixture which is a waste material of road pavement, and in particular, an asphalt mixture production with a new material dryer for heating a new aggregate and a waste material dryer for heating a waste material. It relates to the device.
【０００２】[0002]
【従来の技術】道路工事等によって掘り起こされたアス
ファルト舗装廃材（以下「廃材」という）は加熱再生さ
れてアスファルト合材として再利用されるようになって
きている。この廃材を加熱する装置は、一般的にはアス
ファルトプラントの新規骨材の加熱装置であるドライヤ
（以下「新材ドライヤ」という）とほぼ同構造のものが
採用されている。そして、上記廃材加熱用のドライヤ
（以下「廃材ドライヤ」という）は、新材ドライヤと併
設されることが多い。2. Description of the Related Art Waste asphalt pavement material (hereinafter referred to as "waste material") dug up by road construction or the like has been regenerated by heating and reused as an asphalt mixture. As a device for heating this waste material, a device having substantially the same structure as a dryer (hereinafter referred to as "new material dryer") which is a heating device for a new aggregate of an asphalt plant is generally adopted. The dryer for heating the waste material (hereinafter referred to as "waste material dryer") is often installed together with a new material dryer.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前記廃
材ドライヤにてアスファルト分の付着している廃材を加
熱すると、加熱条件により悪臭の排ガスを発生し、プラ
ント付近に悪臭を漂わせて公害上無視できない問題を引
き起こすこともある。However, when the waste material with the asphalt content adhered thereto is heated by the waste material dryer, an offensive odor exhaust gas is generated depending on the heating condition, and the offensive odor is caused in the vicinity of the plant, which cannot be ignored in terms of pollution. It can cause problems.
【０００４】本発明は上記の点に鑑み、新材ドライヤと
廃材ドライヤをうまく組み合わせて廃材ドライヤから排
出される悪臭ガスを脱臭処理することのできるアスファ
ルト合材製造装置を提供することを目的とする。In view of the above points, it is an object of the present invention to provide an asphalt mixture manufacturing apparatus capable of properly combining a new material dryer and a waste material dryer to deodorize malodorous gas discharged from the waste material dryer. ..
【０００５】[0005]
【課題を解決するための手段】本発明は上記の目的を達
成するために、新規骨材を加熱する新材ドライヤと廃材
を加熱する廃材ドライヤとを併設し、新材ドライヤの一
端部に適宜長さの燃焼室を介して新材加熱用のバーナを
設け、他端部に新規骨材供給手段を設けるとともに、前
記燃焼室の下流側に熱風導出ダクトを連結し、該熱風導
出ダクトの他端を廃材ドライヤの一端部の廃材供給側に
連結し、かつ廃材ドライヤの他端部に連結する排気ダク
トには排風機と風量調整用ダンパーを介在さながら前記
新材ドライヤの燃焼室の上流側に連結し、更に前記廃材
ドライヤの排気ダクトを分岐して循環ダクトを設け、該
循環ダクトには循環用ファンと風量調整用ダンパーを介
在さながらその端部を熱風導出管に連結したものであ
る。In order to achieve the above-mentioned object, the present invention provides a new material dryer for heating a new aggregate and a waste material dryer for heating a waste material, and one end of the new material dryer is appropriately provided. A burner for heating a new material is provided through a combustion chamber of a length, a new aggregate supply means is provided at the other end, and a hot air outlet duct is connected downstream of the combustion chamber to The exhaust duct that connects the end to the waste material supply side of one end of the waste material dryer and the other end of the waste material dryer is connected to the upstream side of the combustion chamber of the new material dryer with an exhaust fan and a damper for adjusting the air volume. A circulation duct is provided by branching the exhaust duct of the waste material dryer, and the end of the circulation duct is connected to the hot air outlet pipe while the circulation fan and the air volume adjustment damper are interposed in the circulation duct.
【０００６】[0006]
【作用】本発明によれば、新規骨材と廃材を同時に加熱
する場合には、新材ドライヤのバーナを燃焼させて燃焼
室に火炎を形成し、高温の熱風を新材ドライヤ内に送り
込んで新規骨材を加熱する。また、前記燃焼室に発生す
る熱風の一部を燃焼室の下流側に設けた熱風導出ダクト
から強制吸引して廃材ドライヤ側に導入する。この時、
廃材ドライヤ側に導入する熱風温度を調整するために、
廃材ドライヤ内で熱交換して温度の低下した排ガスの一
部を循環させて前記熱風導出ダクト内の高温熱風に合流
させ、廃材の加熱に適した温度に適宜調整する。そして
廃材ドライヤ内で廃材を加熱した後、排出される排ガス
を新材ドライヤの燃焼室の上流側に送り込むことによっ
て、燃焼室内においてバーナから発生する高温の熱風と
接触させて排ガス中の悪臭成分を燃焼させ、廃材より発
生する悪臭を脱臭するのである。また廃材ドライヤから
排出される高温の排ガスは一旦新材ドライヤ内を通過さ
せて大気中に放出するので、新材ドライヤ内で熱回収が
行なわれるため熱の有効利用が図れる。According to the present invention, when the new aggregate and the waste material are simultaneously heated, the burner of the new material dryer is burned to form a flame in the combustion chamber, and hot hot air is sent into the new material dryer. Heat the new aggregate. Further, a part of the hot air generated in the combustion chamber is forcibly sucked from a hot air outlet duct provided on the downstream side of the combustion chamber and introduced to the waste material dryer side. At this time,
In order to adjust the temperature of the hot air introduced to the waste material dryer side,
A part of the exhaust gas whose temperature has been lowered by exchanging heat in the waste material dryer is circulated and merged with the hot hot air in the hot air outlet duct, and the temperature is appropriately adjusted to a temperature suitable for heating the waste material. After the waste material is heated in the waste material dryer, the exhaust gas discharged is sent to the upstream side of the combustion chamber of the new material dryer to bring it into contact with the hot hot air generated from the burner in the combustion chamber to remove the malodorous components in the exhaust gas. It burns and deodorizes the bad odor generated from waste materials. Further, since the high-temperature exhaust gas discharged from the waste material drier is once passed through the new material drier and released into the atmosphere, the heat is recovered in the new material drier so that the heat can be effectively used.
【０００７】[0007]
【実施例】以下本発明の実施例を図面に基づいて説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【０００８】１は新規骨材を加熱乾燥するアスファルト
プラントの新材ドライヤであって、内部に多数の掻上げ
羽根２を周設した円筒状のドラム３を回転自在に傾斜支
持し、駆動装置（図示せず）により所定の速度で回転さ
せている。４は新材ドライヤ１のホットホッパ５側に設
けたバーナであって、燃焼室６内で火炎を形成してドラ
ム３内に高温ガスを送り込む一方、コールドホッパ７側
に設けた新規骨材供給手段であるコンベヤ８を介して新
規骨材を投入し、新規骨材を掻上げ羽根２で掻き上げな
がら転動流下させる間に新規骨材を所定温度まで加熱
し、排出部９より排出する。新材ドライヤ１のコールド
ホッパ７には排気煙道１０を連結し、その下流には排ガ
スを吸引する排風機１１と排ガス中のダストを除去する
バグフィルター１２及び排ガスを大気中に放出する煙突
１３を設けている。Reference numeral 1 denotes a new material dryer for an asphalt plant for heating and drying a new aggregate, which rotatably supports a cylindrical drum 3 around which a large number of scooping blades 2 are rotatably supported, and a driving device ( It is rotated at a predetermined speed (not shown). Reference numeral 4 denotes a burner provided on the hot hopper 5 side of the new material dryer 1, which forms a flame in the combustion chamber 6 and sends high-temperature gas into the drum 3, while supplying new aggregate material provided on the cold hopper 7 side. The new aggregate is charged through the conveyor 8 which is a means, and while the new aggregate is being rolled up while being scratched by the scraping blades 2, the new aggregate is heated to a predetermined temperature and discharged from the discharge section 9. An exhaust flue 10 is connected to the cold hopper 7 of the new material dryer 1, and an exhaust fan 11 that sucks the exhaust gas, a bag filter 12 that removes dust in the exhaust gas, and a chimney 13 that discharges the exhaust gas to the atmosphere are provided downstream thereof. Is provided.
【０００９】前記燃焼室６は脱臭炉を兼ねるものであ
り、排ガス中の悪臭成分を完全燃焼させるために、熱風
が通過するのに１秒以上かかる熱風通路を確保すること
が好ましい。The combustion chamber 6 also serves as a deodorizing furnace, and in order to completely burn off the malodorous components in the exhaust gas, it is preferable to secure a hot air passage which takes 1 second or more for hot air to pass through.
【００１０】１４は廃材を加熱再生する廃材ドライヤで
あって、前記新材ドライヤ１とほぼ同様の構造をしてお
り、回転自在に傾斜支持した円筒状のドラム１５内に掻
上げ羽根１６を周設し、一端部にホットホッパ１７を、
他端部にコールドホッパ１８を設けている。そして廃材
供給手段であるコンベヤ１９により廃材をホットホッパ
１７側から供給し、掻上げ羽根１６で掻き上げながらド
ラム内を転動流下させる間に廃材を所定温度まで加熱
し、排出部２０より排出する。Reference numeral 14 denotes a waste material dryer which heats and recycles the waste material, and has a structure similar to that of the new material dryer 1, and a scraping blade 16 is surrounded in a cylindrical drum 15 which is rotatably supported in a tilted manner. Installed, hot hopper 17 at one end,
A cold hopper 18 is provided at the other end. Then, the waste material is supplied from the hot hopper 17 side by the conveyor 19 which is a waste material supply means, and the waste material is heated to a predetermined temperature while being rolled down in the drum while being scraped by the scraping blades 16 and discharged from the discharge part 20. ..
【００１１】前記バーナ４により発生する熱風を廃材ド
ライヤ１４に導くために、燃焼室６の下流側と廃材ドラ
イヤ１４のホットホッパ１７とを熱風導出ダクト２１に
より連結している。また、廃材ドライヤ１４のコールド
ホッパ１８には排気ダクト２２を連結し、該排気ダクト
２２の途中にサイクロン集塵機２３及び排風機２４を設
けるとともに、その他端部を新材ドライヤ１の燃焼室６
の上流側に連結している。また、排気ダクト２２はサイ
クロン集塵機２３の下流で分岐して循環ダクト２５を連
結し、該循環ダクト２５の途中に循環用ファン２６を設
けるとともに、その他端部を前記熱風導出ダクト２１に
連結し、廃材ドライヤ１４から排出される温度の低下し
た排ガスの一部を循環させて前記熱風導出ダクト２１内
の高温熱風と合流させ、廃材ドライヤ１４に導入する熱
風を廃材の加熱に適した温度に適宜調整できるようにし
ている。In order to guide the hot air generated by the burner 4 to the waste material dryer 14, the downstream side of the combustion chamber 6 and the hot hopper 17 of the waste material dryer 14 are connected by a hot air outlet duct 21. An exhaust duct 22 is connected to the cold hopper 18 of the waste material dryer 14, a cyclone dust collector 23 and an exhaust fan 24 are provided in the middle of the exhaust duct 22, and the other end is connected to the combustion chamber 6 of the new material dryer 1.
Is connected to the upstream side of. Further, the exhaust duct 22 is branched downstream of the cyclone dust collector 23 to connect the circulation duct 25, a circulation fan 26 is provided in the middle of the circulation duct 25, and the other end is connected to the hot air outlet duct 21. A part of the exhaust gas of which the temperature is lowered discharged from the waste material dryer 14 is circulated and merged with the high temperature hot air in the hot air outlet duct 21, and the hot air introduced into the waste material dryer 14 is appropriately adjusted to a temperature suitable for heating the waste material. I am able to do it.
【００１２】２７、２８、２９、３０はそれぞれの煙道
に配設した風量調整用のダンパーであって、所望の開度
となるようにコントロールして風量調整を行なう。Reference numerals 27, 28, 29, and 30 denote air volume adjusting dampers arranged in the respective flues, which are controlled so as to have a desired opening degree to adjust the air volume.
【００１３】しかして、新規骨材と廃材を同時に加熱す
る場合には、バーナ４を燃焼させて燃焼室６内に火炎を
形成するとともに、下流の排風機１１により熱風を吸引
してドラム３内を通過する高温ガス流を維持する。そし
てコンベヤ８によって新規骨材をドラム３内に供給して
骨材を所定温度まで加熱する。この時のバーナ４の燃焼
制御は、燃焼室６の下流の出口付近の熱風の温度を所定
温度、例えば約８００℃程度付近に維持するようにバー
ナ４の燃焼量を制御する。したがって、新規骨材の供給
量を調整することによって加熱骨材温度を調整すること
となる。However, when the new aggregate and the waste material are simultaneously heated, the burner 4 is burned to form a flame in the combustion chamber 6, and hot air is sucked by the exhaust fan 11 at the downstream side so that the inside of the drum 3 is sucked. Maintaining a hot gas flow through. Then, the conveyor 8 supplies the new aggregate into the drum 3 to heat the aggregate to a predetermined temperature. In the combustion control of the burner 4 at this time, the combustion amount of the burner 4 is controlled so that the temperature of the hot air near the outlet downstream of the combustion chamber 6 is maintained at a predetermined temperature, for example, about 800 ° C. Therefore, the heated aggregate temperature is adjusted by adjusting the supply amount of the new aggregate.
【００１４】次いで廃材ドライヤ１４の下流の排風機２
４を駆動してダンパー３０により吸引量を調整しながら
燃焼室６の熱風の一部を熱風導出ダクト２１を通して強
制吸引し、廃材ドライヤ１４内へと導く。そして、コン
ベヤ１９によって廃材ドライヤ１４のホットホッパ１７
側から廃材を供給し、並流加熱方式によって廃材を所定
温度まで加熱する。この時、廃材ドライヤ１４に導入す
る熱風温度を調整するために循環ダクト２５の途中に設
けた循環用ファン２６を駆動し、ダンパー２９により吸
引量を調整しながら廃材ドライヤ１４から排出される温
度低下した排ガスの一部を熱風導出ダクト２１内に送り
込む。これによって廃材ドライヤ１４内に送り込む熱風
を８００℃程度から６００℃程度まで降下させて廃材を
加熱するのに適した温度に調整する。廃材ドライヤ１４
への廃材の供給量と加熱廃材設定温度が決定されれば、
廃材ドライヤ１４に導入する必要熱量が決定できるの
で、各ダンパー２９、３０の開度をコントロールして所
定量の熱量を導入するように風量調整する。そして廃材
の加熱温度の微調整は廃材供給量とダンパー２９、３０
のコントロールにより行なう。Next, the exhaust fan 2 downstream of the waste material dryer 14
4 is driven to adjust a suction amount by the damper 30, and a part of the hot air in the combustion chamber 6 is forcibly sucked through the hot air outlet duct 21 and guided into the waste material dryer 14. Then, by the conveyor 19, the hot hopper 17 of the waste material dryer 14
The waste material is supplied from the side, and the waste material is heated to a predetermined temperature by a co-current heating method. At this time, in order to adjust the temperature of the hot air introduced to the waste material dryer 14, the circulation fan 26 provided in the middle of the circulation duct 25 is driven to lower the temperature of the waste material dryer 14 while adjusting the suction amount by the damper 29. A part of the exhaust gas is sent into the hot air outlet duct 21. As a result, the hot air sent into the waste material dryer 14 is lowered from about 800 ° C. to about 600 ° C. and adjusted to a temperature suitable for heating the waste material. Waste material dryer 14
If the supply amount of waste material to the
Since the required heat quantity to be introduced into the waste material dryer 14 can be determined, the air flow rate is adjusted so as to introduce a predetermined quantity of heat by controlling the opening degree of each damper 29, 30. Then, the fine adjustment of the heating temperature of the waste material is performed by supplying the waste material and the dampers 29, 30.
Control.
【００１５】廃材ドライヤ１４から排出される排ガスは
サイクロン集塵機２３によりダストを除去された後、燃
焼室６に送り込まれる。これによって燃焼室６内の温度
が変動しょうとするが、バーナ４の燃焼量を調整して燃
焼室６の下流出口付近の熱風温度を約８００℃程度付近
に維持するようにコントロールする。The exhaust gas discharged from the waste material dryer 14 is sent to the combustion chamber 6 after the dust is removed by the cyclone dust collector 23. This causes the temperature in the combustion chamber 6 to fluctuate, but the combustion amount of the burner 4 is adjusted to control the hot air temperature near the downstream outlet of the combustion chamber 6 to about 800 ° C.
【００１６】廃材ドライヤ１４から燃焼室６に送り込ま
れる排ガスは約１２００℃程度の火炎に晒され、更に１
秒以上かかって燃焼室６内を通過する間に８００℃以上
の熱風と接触することによって排ガス中に含まれる悪臭
成分が燃焼分解されて脱臭される。また廃材ドライヤ１
４から排出される高温の排ガスは新材ドライヤ１を通過
するので、新材ドライヤ１内にて熱回収されて熱の有効
利用が図れる。The exhaust gas sent from the waste material dryer 14 to the combustion chamber 6 is exposed to a flame of about 1200 ° C.
By contacting with hot air of 800 ° C. or higher while passing through the combustion chamber 6 for more than a second, the malodorous components contained in the exhaust gas are combusted and decomposed to be deodorized. Also, waste material dryer 1
Since the high temperature exhaust gas discharged from No. 4 passes through the new material dryer 1, the heat is recovered in the new material dryer 1 and the heat can be effectively used.
【００１７】更に、本発明に係るアスァルト合材製造装
置によれば、廃材ドライヤ１４を空焚きしてドラム１５
の内壁に付着する廃材を燃焼させて除去することが可能
である。この燃焼除去を行なう場合には、先ず、廃材ド
ライヤ１４への廃材供給を停止しながら排風機２４を駆
動して燃焼室６内の８００℃前後の熱風を廃材ドライヤ
１４に導く。これによってドラム１５の内部温度が上昇
してドラム内壁に付着する廃材が発火して燃焼し始め
る。この廃材燃焼の開始により排風機２４の駆動を停止
する。この排風機２４の駆動停止によりコールドホッパ
１８側からの吸引が停止されることとなるので、ドラム
１５内で発生する燃焼ガスはホットホッパ１７側から吸
引されることとなり、熱風導出ダクト２１を通って燃焼
室６の上流側へと逆に流れ、新材ドライヤ１のドラム３
内へと導かれる。Further, according to the apparatus for manufacturing an assalt mixture according to the present invention, the waste material dryer 14 is not heated and the drum 15 is used.
It is possible to burn and remove the waste material attached to the inner wall of the. When performing this combustion removal, first, the exhaust fan 24 is driven while the supply of waste material to the waste material dryer 14 is stopped, and the hot air at around 800 ° C. in the combustion chamber 6 is guided to the waste material dryer 14. As a result, the internal temperature of the drum 15 rises, and the waste material attached to the inner wall of the drum is ignited and begins to burn. The driving of the exhaust fan 24 is stopped by the start of this waste material combustion. By stopping the driving of the exhaust fan 24, the suction from the cold hopper 18 side is stopped, so the combustion gas generated in the drum 15 is sucked from the hot hopper 17 side and passes through the hot air outlet duct 21. Flow to the upstream side of the combustion chamber 6 in reverse, and the drum 3 of the new material dryer 1
Be guided inside.
【００１８】そして燃焼ガスは新材ドライヤ１内で骨材
と接触して熱交換され、更にミスト分や排煙は骨材粒子
に衝突して付着したり、下流のバグフィルター１２によ
り捕捉されることとなり、また高温の燃焼ガスが通過す
る熱風導出ダクト２１には高温に晒されると支障を来す
ような装置が存在しないので、廃材ドライヤ１４を空焚
きして内壁に付着する廃材を燃焼させてもうまく処理で
きるのである。この廃材燃焼の際には、新材ドライヤ１
に廃材の燃焼熱が加わることになるが、燃焼室６の熱風
導出温度を約８００℃程度前後に維持するようにバーナ
４の燃焼量をコントロールするようにしていればバーナ
４の燃焼量が絞られることになり、装置上何ら支障はな
いのである。これによって廃材ドライヤ１４内に作業員
が入って付着する廃材を除去する過酷な作業をなくする
ことができる。The combustion gas is contacted with the aggregate in the new material dryer 1 to be heat-exchanged, and the mist and flue gas collide with and adhere to the aggregate particles, or are captured by the downstream bag filter 12. In addition, since there is no device in the hot air outlet duct 21 through which the high temperature combustion gas passes, which would be disturbed when exposed to high temperatures, the waste material dryer 14 is not fired to burn the waste material attached to the inner wall. However, it can be processed well. When burning this waste material, new material dryer 1
The combustion heat of the waste material will be added to the burner 4, but if the burner 4 combustion amount is controlled so that the hot air outlet temperature of the combustion chamber 6 is maintained around 800 ° C, the burner 4 combustion amount is reduced. Therefore, there is no problem on the device. As a result, it is possible to eliminate the harsh work for the worker to enter the waste material dryer 14 and remove the adhered waste material.
【００１９】なお、本実施例では廃材加熱用の熱風を燃
焼室６の下流出口部付近から取り出すようにしたが、新
材ドライヤ１のホットホッパ５やドラム３の高温部付近
から熱風を取り出すようにしても良い。また、実施例で
は廃材ドライヤ１４の排気ダクト２２を燃焼室６の上流
側のバーナ４付近に連結したが、バーナ４の一次空気取
り入れ部に接続して排ガスを燃焼用一次空気として使用
しても良い。更に、本実施例では廃材ドライヤ１４から
排出される排ガスの一部を循環ダクト２５を介して循環
して廃材ドライヤ１４に導入する熱風の温度調整を行な
うようにしたが、熱効率は低下するものの循環ダクト２
５を省略して外気を取入れる構造として熱風の温度調整
を行なっても良い、更には廃材ドライヤ１４のホットホ
ッパ１７側に補助バーナを設けるなど、本発明の要旨を
逸脱しない範囲内において種々の変更を加え得ることは
勿論である。In this embodiment, the hot air for heating the waste material is taken out from the vicinity of the downstream outlet of the combustion chamber 6, but the hot air is taken out from the hot hopper 5 of the new material dryer 1 and the high temperature part of the drum 3. You can Further, in the embodiment, the exhaust duct 22 of the waste material dryer 14 is connected to the vicinity of the burner 4 on the upstream side of the combustion chamber 6, but the exhaust gas may be connected to the primary air intake portion of the burner 4 to use the exhaust gas as the primary air for combustion. good. Further, in this embodiment, a part of the exhaust gas discharged from the waste material dryer 14 is circulated through the circulation duct 25 to adjust the temperature of the hot air introduced into the waste material dryer 14, but the thermal efficiency is reduced, but the circulation is performed. Duct 2
5 may be omitted to adjust the temperature of the hot air as a structure for taking in the outside air. Furthermore, an auxiliary burner may be provided on the hot hopper 17 side of the waste material dryer 14 within a range not departing from the gist of the present invention. Of course, changes can be made.
【００２０】[0020]
【発明の効果】以上説明したように本発明によれば、新
材ドライヤ１と廃材ドライヤ１４を並設し、新材ドライ
ヤ１には脱臭炉を兼ねた適宜長さの燃焼室６を設けると
共に、該燃焼室６で発生させた熱風の一部を廃材ドライ
ヤ１４側に供給し、廃材ドライヤ１４を通過した排ガス
を再び燃焼室６に戻すような構造としたので、廃材ドラ
イヤ１４からの排ガス中の悪臭成分を燃焼室６内で燃焼
させることができて廃材加熱時に発生する悪臭を脱臭す
ることができる。また廃材ドライヤ１５から排出する高
温の排ガスを新材ドライヤ１において熱回収できるので
熱の有効利用が図れる。更には廃材ドライヤ１４を空焚
きすることによってドラム１５内部に付着する廃材を除
去することができる。As described above, according to the present invention, the new material dryer 1 and the waste material dryer 14 are arranged in parallel, and the new material dryer 1 is provided with the combustion chamber 6 having an appropriate length which also functions as a deodorizing furnace. Since a part of the hot air generated in the combustion chamber 6 is supplied to the waste material dryer 14 side and the exhaust gas passing through the waste material dryer 14 is returned to the combustion chamber 6 again, the exhaust gas from the waste material dryer 14 It is possible to burn off the malodorous components in the combustion chamber 6, and to deodorize the malodorous substances generated when the waste material is heated. Further, since the high-temperature exhaust gas discharged from the waste material dryer 15 can be recovered by the new material dryer 1, the heat can be effectively used. Further, the waste material attached to the inside of the drum 15 can be removed by emptying the waste material dryer 14.
【図１】本発明の一実施例の一部切り欠きした概略説明
図である。FIG. 1 is a partially cutaway schematic explanatory view of an embodiment of the present invention.
１…新材ドライヤ ４…バーナ ６…燃焼室 ８…新規骨材供給
手段 １４…廃材ドライヤ ２１…熱風導出ダ
クト ２２…排気ダクト ２４…排風機 ２５…循環ダクト ２６…循環用ファ
ンDESCRIPTION OF SYMBOLS 1 ... New material dryer 4 ... Burner 6 ... Combustion chamber 8 ... New aggregate supply means 14 ... Waste material dryer 21 ... Hot air outlet duct 22 ... Exhaust duct 24 ... Exhaust fan 25 ... Circulation duct 26 ... Circulation fan
Claims (1)
加熱する廃材ドライヤとを併設し、新材ドライヤの一端
部に適宜長さの燃焼室を介して新材加熱用のバーナを設
け、他端部に新規骨材供給手段を設けるとともに、前記
燃焼室の下流側に熱風導出ダクトを連結し、該熱風導出
ダクトの他端を廃材ドライヤの一端部の廃材供給側に連
結し、かつ廃材ドライヤの他端部に連結する排気ダクト
には排風機と風量調整用ダンパーを介在さながら前記新
材ドライヤの燃焼室の上流側に連結し、更に前記廃材ド
ライヤの排気ダクトを分岐して循環ダクトを設け、該循
環ダクトには循環用ファンと風量調整用ダンパーを介在
さながらその端部を熱風導出管に連結したことを特徴と
するアスファルト合材製造装置。1. A new material dryer for heating new aggregate and a waste material dryer for heating waste material are provided together, and a burner for heating the new material is provided at one end of the new material dryer via a combustion chamber of an appropriate length. , A new aggregate supply means is provided at the other end, a hot air outlet duct is connected to the downstream side of the combustion chamber, the other end of the hot air outlet duct is connected to a waste material supply side at one end of a waste material dryer, and The exhaust duct connected to the other end of the waste material dryer is connected to the upstream side of the combustion chamber of the new material dryer with an exhaust fan and a damper for adjusting the air volume interposed, and the exhaust duct of the waste material dryer is branched and circulated. An asphalt mixture manufacturing apparatus, wherein the circulation duct is provided with a circulation fan and an air volume adjusting damper, and an end portion of the circulation duct is connected to a hot air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3223325A JP2742635B2 (en) | 1991-08-07 | 1991-08-07 | Asphalt mixture production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3223325A JP2742635B2 (en) | 1991-08-07 | 1991-08-07 | Asphalt mixture production equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0539605A true JPH0539605A (en) | 1993-02-19 |
| JP2742635B2 JP2742635B2 (en) | 1998-04-22 |
Family
ID=16796386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3223325A Expired - Fee Related JP2742635B2 (en) | 1991-08-07 | 1991-08-07 | Asphalt mixture production equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2742635B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010091253A (en) * | 2000-03-14 | 2001-10-23 | 이병석 | A reproduction device for asphalt |
| JP2014515441A (en) * | 2011-04-28 | 2014-06-30 | イー−マク マキナ インサアト ティカレット ヴェ サナイ エー．エス． | Heated asphalt preparation system and method for producing a new asphalt layer from recycled asphalt |
| CN105088923A (en) * | 2015-08-21 | 2015-11-25 | 王剑平 | Horizontal, energy-saving and environment-friendly bituminous concrete regenerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0161205U (en) * | 1987-10-07 | 1989-04-19 | ||
| JPH039241A (en) * | 1989-06-06 | 1991-01-17 | Kawasaki Steel Corp | Method for measuring bulk density of granule containing magnetic material |
-
1991
- 1991-08-07 JP JP3223325A patent/JP2742635B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0161205U (en) * | 1987-10-07 | 1989-04-19 | ||
| JPH039241A (en) * | 1989-06-06 | 1991-01-17 | Kawasaki Steel Corp | Method for measuring bulk density of granule containing magnetic material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010091253A (en) * | 2000-03-14 | 2001-10-23 | 이병석 | A reproduction device for asphalt |
| JP2014515441A (en) * | 2011-04-28 | 2014-06-30 | イー−マク マキナ インサアト ティカレット ヴェ サナイ エー．エス． | Heated asphalt preparation system and method for producing a new asphalt layer from recycled asphalt |
| CN105088923A (en) * | 2015-08-21 | 2015-11-25 | 王剑平 | Horizontal, energy-saving and environment-friendly bituminous concrete regenerator |
| CN105088923B (en) * | 2015-08-21 | 2017-10-17 | 王剑平 | A kind of Horizontal type asphalt concrete regenerating machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2742635B2 (en) | 1998-04-22 |
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