JPH0236639Y2 - - Google Patents
Info
- Publication number
- JPH0236639Y2 JPH0236639Y2 JP1983110150U JP11015083U JPH0236639Y2 JP H0236639 Y2 JPH0236639 Y2 JP H0236639Y2 JP 1983110150 U JP1983110150 U JP 1983110150U JP 11015083 U JP11015083 U JP 11015083U JP H0236639 Y2 JPH0236639 Y2 JP H0236639Y2
- Authority
- JP
- Japan
- Prior art keywords
- compost
- sludge
- exhaust gas
- granulated
- conveyor case
- 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
Links
- 239000010802 sludge Substances 0.000 claims description 33
- 239000002361 compost Substances 0.000 claims description 25
- 238000000855 fermentation Methods 0.000 claims description 18
- 230000004151 fermentation Effects 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 13
- 239000008187 granular material Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 description 7
- 239000010865 sewage Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009264 composting Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Description
【考案の詳細な説明】
本考案は、下水等の有機汚泥をコンポスト化す
るためのコンポスト前処理装置に関するものであ
る。[Detailed Description of the Invention] The present invention relates to a compost pretreatment device for composting organic sludge such as sewage.
一般に、下水等の有機汚泥をコンポスト化する
には、有機汚泥の脱水ケーキと返送コンポストを
混合造粒機により撹拌混合して造粒した後、その
造粒汚泥を発酵槽に投入して発酵させるようにし
たコンポスト前処理装置が採用されている。とこ
ろが、従来のコンポスト前処理装置においては、
脱水ケースと返送コンポストは混合造粒機内で撹
拌混合される間に、摩擦熱によつて40〜60℃に加
温されるため、混合造粒機から排水される造粒汚
泥の温度が高く、これが外気によつて冷却される
と、造粒汚泥の表面に凝縮水が付着するため、こ
れをそのまま発酵槽に投入すると造粒汚泥の強度
が弱くなり、崩れて固まつてしまうので、発酵効
率が低下し、良質のコンポストを得ることができ
ないという欠点があつた。 Generally, to compost organic sludge such as sewage, the dehydrated cake of organic sludge and the returned compost are mixed and granulated using a mixing granulator, and then the granulated sludge is put into a fermentation tank and fermented. A compost pre-processing device is being adopted. However, in conventional compost pretreatment equipment,
While the dewatering case and returned compost are stirred and mixed in the mixer and granulator, they are heated to 40 to 60℃ due to frictional heat, so the temperature of the granulated sludge drained from the mixer and granulator is high. When this is cooled by the outside air, condensed water adheres to the surface of the granulated sludge, so if this is directly put into the fermenter, the strength of the granulated sludge will weaken and it will crumble and solidify, improving fermentation efficiency. The disadvantage was that it was not possible to obtain high-quality compost.
本考案は、上記従来の欠点に鑑みて提案された
もので、脱水ケーキと返送コンポストを混合造粒
機により撹拌混合して造粒した後、その造粒汚泥
を発酵槽に投入するようにしたコンポスト前処理
装置において、上記混合造粒機から排出される造
粒汚泥を移送するベルトをコンベアケース内に設
置すると共に、発酵槽内の排ガスを排ガス供給路
を介してコンベアケース内に供給することによ
り、造粒汚泥をベルトで移送中に十分乾燥して発
酵槽に投入することができ、別途乾燥機を設置す
る必要もなく、発酵槽内の排ガスを有効に利用す
ることができ、安価な設備で発酵が促進されると
共に発酵効率が安定し、良質のコンポストを得る
ことができるコンポスト前処理装置を得ようとす
るものである。 The present invention was proposed in view of the above-mentioned drawbacks of the conventional method, and the dehydrated cake and returned compost are mixed and granulated using a mixing granulator, and then the granulated sludge is put into a fermentation tank. In the compost pretreatment device, a belt for transferring the granulated sludge discharged from the mixing granulator is installed in the conveyor case, and exhaust gas in the fermenter is supplied into the conveyor case via the exhaust gas supply path. This allows the granulated sludge to be sufficiently dried while being transferred by a belt before being introduced into the fermentation tank.There is no need to install a separate dryer, and the exhaust gas in the fermentation tank can be used effectively. The present invention aims to provide a compost pretreatment device that can promote fermentation with equipment, stabilize fermentation efficiency, and obtain high-quality compost.
以下、本考案を図面に示す実施例に基づいて具
体的に設明する。 Hereinafter, the present invention will be explained in detail based on embodiments shown in the drawings.
図において１は混合造粒機で、そのフイードホ
ツパー２に供給された下水等の有機汚泥の脱水ケ
ーキ３と返送コンポスト４は、混合造粒機１に内
蔵されているスクリユー等の回転による撹拌混合
によつて造粒されるようになつている。 In the figure, 1 is a mixing granulator, and the dehydrated cake 3 of organic sludge such as sewage supplied to the feed hopper 2 and the returned compost 4 are agitated and mixed by the rotation of a screw etc. built in the mixing granulator 1. It is then granulated.
そして、混合造粒機１に接続してコンベア７が
設けられており、造粒された造粒汚泥５は、連通
路６よりコンベア７のベルト上に落下され、矢印
方向に移送されるようになつている。 A conveyor 7 is connected to the mixing granulator 1, and the granulated sludge 5 is dropped from the communication path 6 onto the belt of the conveyor 7 and transported in the direction of the arrow. It's summery.
コンベア７はコンベアケース８内に収められ連
通路６の一端はコンベアケース８を通して開口さ
れている。そして、コンベアケース８の他端には
排出口９が設けられており、排出口９より落下す
る造粒汚泥５は、図示しない移送手段を介して発
酵槽１０に投入されるようになつている。 The conveyor 7 is housed in a conveyor case 8, and one end of the communication path 6 is opened through the conveyor case 8. A discharge port 9 is provided at the other end of the conveyor case 8, and the granulated sludge 5 falling from the discharge port 9 is fed into a fermentation tank 10 via a transfer means (not shown). .
１１は空気供給フアンで、発酵槽１０内の上段
及び下段に発酵用の空気１２を供給している。ま
た、発酵槽１０内の30〜60℃程度の高温の排ガス
１４を吸引するための排ガスフアン１３が設けら
れており、その排ガスは排ガス供給路１５を介し
て連通路６に排ガス１４を導入され、連通路６か
らコンベアケース８内に供給されて、連造粒汚泥
５を乾燥した後、コンベアケース８の他端の排出
口９に接続された排気管１７を通つて排出され、
別途、集塵、脱臭処理されるようになつている。 An air supply fan 11 supplies fermentation air 12 to the upper and lower stages of the fermenter 10. Further, an exhaust gas fan 13 is provided for sucking high temperature exhaust gas 14 of about 30 to 60°C in the fermenter 10, and the exhaust gas 14 is introduced into the communication path 6 via the exhaust gas supply path 15. , is supplied into the conveyor case 8 from the communication path 6, and after drying the continuous granulated sludge 5, is discharged through the exhaust pipe 17 connected to the discharge port 9 at the other end of the conveyor case 8,
Separate dust collection and deodorization processes are carried out.
そして、発酵槽１０で処理されて出たコンポス
ト１６の一部は、返送コンポスト４として混合造
粒機１のフイードホツパー２に戻されるようにな
つている。 A part of the compost 16 processed in the fermenter 10 is returned to the feed hopper 2 of the mixing granulator 1 as return compost 4.
コンベアケース８内におけるコンベア７は、第
２図に示したように、そのローラ１８の回転軸１
９はコンベアケース８の側壁に設けられた軸孔２
０に支承されているが、コンベアケース８内の気
密を保持するために、軸部は封止されていると共
に、ローラ１８に巻き掛けられているベルト２１
の上面と対向するコンベアケース８の天井板２３
には、ベルト２１によつて移送される造粒汚泥５
がベルト２１の両側より落下しないよう造粒汚泥
５の広がりを規制する案内板２２が、ベルト２１
の移動方向に沿つて平行に設けられている。 As shown in FIG. 2, the conveyor 7 in the conveyor case 8 has a rotating shaft 1 of its roller
9 is a shaft hole 2 provided in the side wall of the conveyor case 8
The belt 21 is supported on the roller 18, but the shaft portion is sealed to maintain airtightness inside the conveyor case 8, and the belt 21 is wound around the roller 18.
Ceiling plate 23 of conveyor case 8 facing the top surface of
, granulated sludge 5 is transported by the belt 21.
A guide plate 22 that controls the spread of the granulated sludge 5 so that it does not fall from both sides of the belt 21 is installed on the belt 21.
are provided parallel to the direction of movement.
上記構成よりなる本考案のコンポスト前処理装
置においては、脱水ケーキ３と返送コンポスト４
がフイードホツパー２に供給され、混合造粒機１
内で撹拌混合される間に摩擦熱によつて40〜60℃
に加温されても、混合粒機１から排出される造粒
汚泥５は、外気によつて冷却されることなく連通
路６からコンベア７上に落下することになる。コ
ンベア７上に落下した造粒汚泥５は、案内板２２
によつて規制されながらベルト２１により移送さ
れる間に、排ガス供給路１５を介してコンベアケ
ース８内に供給された発酵槽１０内の高温の排ガ
ス１４によつて十分に乾燥されるので、造粒汚泥
５の表面に凝縮水が付着することはない。 In the compost pretreatment device of the present invention having the above configuration, the dehydrated cake 3 and the returned compost 4 are
is supplied to the feed hopper 2, and mixed granulator 1
40 to 60℃ due to frictional heat while stirring and mixing
Even if the sludge is heated to 1, the granulated sludge 5 discharged from the mixing granulator 1 falls from the communication path 6 onto the conveyor 7 without being cooled by the outside air. The granulated sludge 5 that has fallen onto the conveyor 7 is transported to the guide plate 22.
During the conveyance by the belt 21 while being regulated by Condensed water does not adhere to the surface of the granular sludge 5.
従つて、この造粒汚泥５を発酵槽１０に投入し
ても強度が弱くなつて崩れることはなく、発酵が
促進されると共に発酵効率が安定し、良質のコン
ポストを得ることができることになる。 Therefore, even if this granulated sludge 5 is put into the fermentation tank 10, it will not weaken and collapse, fermentation will be promoted, fermentation efficiency will be stabilized, and high-quality compost can be obtained.
次に、第３図はコンベアケースの他の実施例を
示したもので、この実施例においてはコンベアケ
ース８は、天井板２３とローラ１８に巻き掛けら
れたベルト２１の両側端面に当接するゴムシール
板２４にて構成されており、造粒汚泥５を移送す
るベルト２１のみがコンベアケース８内に設置さ
れている。 Next, FIG. 3 shows another embodiment of the conveyor case. In this embodiment, the conveyor case 8 includes rubber seals that come into contact with both end surfaces of the belt 21 wound around the ceiling plate 23 and the roller 18. It is composed of a plate 24, and only the belt 21 for transporting the granulated sludge 5 is installed inside the conveyor case 8.
この場合にも、コンベアケース８の天井板２３
には、ベルト２１によつて移送される造粒汚泥５
の広がりを規制するために案内板２２が設けられ
ているが、その案内板２２は逆ハの字状にされ、
案内板２２の下端とベルト２１の上面との除間に
造粒汚泥５がかみ込まないように配慮されてい
る。また、ローラ１８の回転軸１９は別途設けら
れた軸受２５により支承されている。 Also in this case, the ceiling plate 23 of the conveyor case 8
, granulated sludge 5 is transported by the belt 21.
A guide plate 22 is provided to restrict the spread of
Care is taken to prevent the granulated sludge 5 from getting caught in the gap between the lower end of the guide plate 22 and the upper surface of the belt 21. Further, the rotating shaft 19 of the roller 18 is supported by a bearing 25 provided separately.
なお、第１図においては、発酵槽１０内の排ガ
ス１４は、排ガス供給路１５を介して連通路６内
に導入されているが、第２図及び第３図に示すコ
ンベアケース８の天井板２３に孔を設け、ここか
らコンベアケース８内に直接排ガス１４を導入す
るようにしてもよい。また、このとき排ガス供給
路１５の途中にバルブを設け、造粒汚泥５の性状
に応じてコンベアケース８内に供給される排ガス
１４の量を適宜制御し得るようにしておくのが望
しい。 In FIG. 1, the exhaust gas 14 in the fermenter 10 is introduced into the communication path 6 via the exhaust gas supply path 15, but the ceiling plate of the conveyor case 8 shown in FIGS. A hole may be provided in 23 and the exhaust gas 14 may be directly introduced into the conveyor case 8 through the hole. Further, at this time, it is desirable to provide a valve in the middle of the exhaust gas supply path 15 so that the amount of exhaust gas 14 supplied into the conveyor case 8 can be appropriately controlled depending on the properties of the granulated sludge 5.
本考案のコンポスト前処理装置は上記のように
構成されているので、混合造粒機から排出される
造粒汚泥は、排ガス供給路を介して供給される発
酵槽内の高温の排ガスによつて加温され、十分に
乾燥された後発酵槽に投入されるので従来のよう
に造粒汚泥の表面に凝縮水が付着して発酵槽内で
造粒汚泥が崩れることはなく、発酵が促進される
と共に発酵効率が安定し、良質のコンポストを得
ることができる。 Since the compost pretreatment device of the present invention is configured as described above, the granulated sludge discharged from the mixing granulator is processed by the high-temperature exhaust gas in the fermenter supplied via the exhaust gas supply path. Since the sludge is heated and sufficiently dried before being put into the fermentation tank, fermentation is promoted instead of condensed water adhering to the surface of the granulated sludge and causing it to crumble in the fermentation tank, as in the case of conventional methods. At the same time, fermentation efficiency is stabilized and high-quality compost can be obtained.
また、造粒汚泥はコンベアケース内に設置した
ベルトにより移送中に発酵槽内の排ガスによつて
乾燥されるので、別途乾燥機を設置する必要はな
く、しかも他の熱源を要しないので、設備費用も
安くなり、既設のものにも簡単に適用することが
できる等多くの利点を有し、下水等の有機汚泥を
コンポスト化する上で実用上きわめて有効なコン
ポスト前処理装置を提供し得るものである。 In addition, the granulated sludge is dried by the exhaust gas in the fermenter while being transferred by a belt installed in the conveyor case, so there is no need to install a separate dryer, and no other heat source is required. It has many advantages such as low cost and can be easily applied to existing equipment, and can provide a practically extremely effective compost pretreatment device for composting organic sludge such as sewage. It is.
第１図は本考案の一実施例を示すコンポスト前
処理装置の工程図、第２図は第１図に示す矢視Ａ
−Ａ線に沿つて切断した断面図、第３図はコンベ
アケースの他の実施例を示す第２図に対応する断
面図である。
１……混合造粒機、２……フイードホツパー、
３……脱水ケーキ、４……返送コンポスト、５…
…造粒汚泥、６……連通路、７……コンベア、８
……コンベアケース、９……排出口、１０……発
酵槽、１３……排ガスフアン、１５……排ガス供
給路、１７……排気管、１８……ローラ、１９…
…回転軸、２１……ベルト、２２……案内板、２
３……天井板、２４……ゴムシール板。
Fig. 1 is a process diagram of a compost pretreatment device showing an embodiment of the present invention, and Fig. 2 is a view of arrow A shown in Fig. 1.
3 is a sectional view taken along line -A, and FIG. 3 is a sectional view corresponding to FIG. 2 showing another embodiment of the conveyor case. 1...Mixing granulator, 2...Feed hopper,
3... Dehydrated cake, 4... Returned compost, 5...
...Granulated sludge, 6...Communication path, 7...Conveyor, 8
... Conveyor case, 9 ... Discharge port, 10 ... Fermentation tank, 13 ... Exhaust gas fan, 15 ... Exhaust gas supply path, 17 ... Exhaust pipe, 18 ... Roller, 19 ...
... Rotating shaft, 21 ... Belt, 22 ... Guide plate, 2
3...Ceiling board, 24...Rubber seal plate.
Claims (1)
り撹拌混合して造粒した後、その造粒汚泥を発酵
槽に投入するようにしたコンポスト前処理装置に
おいて、上記混合造粒機から排出される造粒汚泥
を移送するベルトをコンベアケース内に設置する
と共に、発酵槽内の排ガスを排ガス供給路を介し
てコンベアケース内に供給するようにしたことを
特徴とするコンポスト前処理装置。 In a compost pretreatment device in which the dehydrated cake and returned compost are agitated and granulated using a mixing granulator and then the granulated sludge is fed into a fermentation tank, the granules discharged from the mixing granulator are A compost pretreatment device characterized in that a belt for transferring sludge is installed inside a conveyor case, and exhaust gas in a fermenter is supplied into the conveyor case via an exhaust gas supply path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983110150U JPS6021399U (en) | 1983-07-18 | 1983-07-18 | Compost pretreatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983110150U JPS6021399U (en) | 1983-07-18 | 1983-07-18 | Compost pretreatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6021399U JPS6021399U (en) | 1985-02-14 |
| JPH0236639Y2 true JPH0236639Y2 (en) | 1990-10-04 |
Family
ID=30256306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983110150U Granted JPS6021399U (en) | 1983-07-18 | 1983-07-18 | Compost pretreatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6021399U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5075855A (en) * | 1973-11-09 | 1975-06-21 |
-
1983
- 1983-07-18 JP JP1983110150U patent/JPS6021399U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5075855A (en) * | 1973-11-09 | 1975-06-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6021399U (en) | 1985-02-14 |
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