JPH0230420Y2 - - Google Patents
Info
- Publication number
- JPH0230420Y2 JPH0230420Y2 JP1983110149U JP11014983U JPH0230420Y2 JP H0230420 Y2 JPH0230420 Y2 JP H0230420Y2 JP 1983110149 U JP1983110149 U JP 1983110149U JP 11014983 U JP11014983 U JP 11014983U JP H0230420 Y2 JPH0230420 Y2 JP H0230420Y2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- fermentation
- damper
- fermenter
- stirring device
- 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
- 238000000855 fermentation Methods 0.000 claims description 26
- 230000004151 fermentation Effects 0.000 claims description 26
- 239000010802 sludge Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 18
- 239000002361 compost Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000013019 agitation Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000007306 turnover Effects 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
- Fertilizers (AREA)
Description
【考案の詳細な説明】
本考案は、下水等の有機汚泥を発酵させてコン
ポスト化するための発酵槽に関するものである。[Detailed Description of the Invention] The present invention relates to a fermenter for fermenting and composting organic sludge such as sewage.
一般に、下水等の有機汚泥は発酵槽に投入して
発酵され、コンポスト化されているが、発酵効率
を向上させて良質のコンポストを得るには、発酵
槽内における汚泥を切返して撹拌混合することが
極めて重要である。ところが、従来一般に使用さ
れている発酵槽においては、発酵槽内に所定間隔
をおいて回動可能に支承されたダンパーを単に回
動させて、上段にある汚泥を下段に落下させるだ
けであるため、効果的な汚泥の切返しができず、
撹拌混合が不十分となり、汚泥の圧密層を切り崩
すことができなかつた。そのため、汚泥の性状に
よつては発酵効率が低下して品質にばらつきを生
じ、良質のコンポストを安定して得ることができ
ないという欠点があつた。 Generally, organic sludge such as sewage is put into a fermentation tank, fermented, and composted. However, in order to improve fermentation efficiency and obtain high-quality compost, it is necessary to turn the sludge in the fermentation tank and mix it by stirring. is extremely important. However, in the fermenters commonly used in the past, dampers rotatably supported at predetermined intervals within the fermenter are simply rotated to cause the sludge in the upper stage to fall to the lower stage. , the sludge cannot be effectively turned over,
Stirring and mixing became insufficient and the compacted layer of sludge could not be broken down. Therefore, depending on the properties of the sludge, the fermentation efficiency decreases, resulting in variations in quality, resulting in the disadvantage that high-quality compost cannot be stably obtained.
本考案は、上記従来の欠点に鑑みて提案された
もので、上部に投入口を下部に排出口を設けた槽
内に、上下に数段の発酵室を形成し、各発酵室の
底部には、所定間隔をおいて多数のダンパーを回
動可能に支承させると共に、それらダンパーの下
方位置の下段発酵室の空所に、ダンパー回動時に
落下する汚泥を切返す回動刃を回転軸の長手方向
に所定間隔をおいて多数設けた撹拌装置をダンパ
ーの回動と連動するようにして設置することによ
り、切返し時における汚泥の切崩しが十分行え、
発酵効率を向上させることのできる発酵槽を提供
し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 technology.In a tank with an input port at the top and a discharge port at the bottom, several stages of fermentation chambers are formed vertically. In this system, a number of dampers are rotatably supported at predetermined intervals, and a rotary blade is installed on the rotating shaft in the empty space of the lower fermentation chamber below the dampers to cut off the sludge that falls when the dampers are rotated. By installing a large number of agitation devices arranged at predetermined intervals in the longitudinal direction so as to be linked with the rotation of the damper, the sludge can be sufficiently broken down during turning.
The present invention aims to provide a fermenter that can improve fermentation efficiency.
以下本考案を図面に示す実施例に基づいて具体
的に説明する。 The present invention will be specifically described below based on embodiments shown in the drawings.
図において１は発酵槽で、その上部には下水等
の有機汚泥２を投入する投入口３が設けられてお
り、下部には発酵槽１内で発酵されて生成したコ
ンポスト４を排出する排出口５が設けられてい
る。また、発酵槽１内の上段の発酵室６および下
段の発酵室７の各底部には、所定間隔をおいて多
数のダンパー８，８が発酵槽１の側壁に回動可能
に支承されている。９は上段のダンパー８の下方
位置の下段発酵室７の空所に設置された撹拌装置
で、所定間隔をおいてダンパー８と平行に配置さ
れた各回転軸１０の長手方向には、所定間隔をお
いて半径方向に延びる多数の回転刃１１が設けら
れている。そして、隣接する回転軸１０，１０に
設けられている回転刃１１は、切返しを効率良く
行なわせるために互いに90゜位相がずらされてい
ると共に、回転軸１０の長手方向におけるピツチ
も互いにずらされている。各回転軸１０の両端は
軸受１２によつて回転可能に支承されているが、
各回転軸１０の一方の端部には、同一の歯数を有
する歯車１３が固定されており、隣接する回転軸
１０，１０の歯車１３，１３は互いに噛み合つて
回転を伝達し、互いに逆方向に同一速度で回転す
るようになつており、中央部の回転軸１０に固定
された歯車１３の外側にはさらにスプロケツト１
４が固定され、モータ１５の出力軸に固定したス
プロケツト１６とスプロケツト１４間にはチエー
ン１７が巻き掛けられている。モータ１５は、例
えば発酵槽１内のダンパー８を回転させる回動手
段が作動すると、その作動に連動して発信される
信号によつてスイツチがオン・オフ制御され、ダ
ンパー８の回動と連動して駆動されるようになつ
ている。なお、モータ１５は汚泥２の性状に応じ
て撹拌装置９の回転軸１０の回転速度を低速から
高速まで50〜200rpm程度の範囲内で調速し得る
ようにしておくことが望ましい。 In the figure, 1 is a fermentation tank, at the top of which is provided an input port 3 for inputting organic sludge 2 such as sewage, and at the bottom is an outlet for discharging the compost 4 produced by fermentation in the fermentation tank 1. 5 is provided. Further, at the bottom of each of the upper fermentation chamber 6 and the lower fermentation chamber 7 in the fermenter 1, a number of dampers 8, 8 are rotatably supported on the side wall of the fermenter 1 at predetermined intervals. . Reference numeral 9 denotes a stirring device installed in the empty space of the lower fermentation chamber 7 below the upper damper 8. A large number of rotary blades 11 are provided which extend in the radial direction. The rotating blades 11 provided on the adjacent rotating shafts 10, 10 are shifted in phase by 90 degrees from each other in order to efficiently perform turning, and the pitches in the longitudinal direction of the rotating shafts 10 are also shifted from each other. ing. Both ends of each rotating shaft 10 are rotatably supported by bearings 12,
A gear 13 having the same number of teeth is fixed to one end of each rotating shaft 10, and the gears 13, 13 of the adjacent rotating shafts 10, 10 mesh with each other to transmit rotation, and are opposite to each other. The gear 13 is fixed to the rotating shaft 10 in the center and has a sprocket 1 on the outside.
4 is fixed, and a chain 17 is wound between the sprocket 16 and the sprocket 14, which are fixed to the output shaft of the motor 15. For example, when the rotation means for rotating the damper 8 in the fermenter 1 is activated, the motor 15 is switched on and off by a signal transmitted in conjunction with the operation, and is interlocked with the rotation of the damper 8. It is designed to be driven. Note that it is desirable that the motor 15 be able to control the rotational speed of the rotating shaft 10 of the stirring device 9 within a range of about 50 to 200 rpm from low speed to high speed depending on the properties of the sludge 2.
上記構成よりなる本考案の発酵槽においては、
下水等の有機汚泥２は投入口３より発酵槽１内に
投入され、上段のダンパー８上に貯留されるが、
発酵槽１内の各発酵室６，７の底部には、図示し
ない配管を介して発酵用の空気が供給されている
ので、ダンパー８上に貯留された汚泥２′は順次
発酵されることになる。こうして所定時間経過し
た後、ダンパー８を回動させて発酵した汚泥２′
を下段の発酵室７に落下させるが、この時ダンパ
ー８の下位に設置されている撹拌装置９がダンパ
ー８の回動に連動して制御されるモータ１５によ
つて駆動されるので、ダンパー８の回動によつて
落下する汚泥２′は撹拌装置９の回転軸１０に設
けた多数の回転刃１１によつて確実に切返されて
破砕されながら撹拌混合され、汚泥２′は圧密層
をむらなく切り崩されて下段のダンパー８上に貯
留されることになる。従つて下段のダンパー８上
に貯留された汚泥２″には圧密層がなく、均一に
切返されているので発酵室７内に供給された空気
によつてむらなく発酵されることになる。こうし
て効率よくコンポスト化された汚泥２″は、下段
のダンパー８を回動させることにより、下部の排
水口５より良質のコンポスト４として取り出され
ることになる。 In the fermenter of the present invention having the above configuration,
Organic sludge 2 such as sewage is input into the fermenter 1 from the input port 3 and stored on the upper damper 8.
Since air for fermentation is supplied to the bottom of each of the fermentation chambers 6 and 7 in the fermenter 1 through pipes (not shown), the sludge 2' stored on the damper 8 is fermented in sequence. Become. After a predetermined period of time has elapsed, the damper 8 is rotated to remove the fermented sludge 2'.
is dropped into the lower fermentation chamber 7. At this time, the stirring device 9 installed below the damper 8 is driven by the motor 15 that is controlled in conjunction with the rotation of the damper 8, so the damper 8 The sludge 2' that falls due to the rotation of the stirring device 9 is reliably turned and crushed by a large number of rotating blades 11 provided on the rotating shaft 10 of the stirring device 9, and is stirred and mixed. It is evenly cut down and stored on the lower damper 8. Therefore, the sludge 2'' stored on the lower damper 8 does not have a compacted layer and is evenly turned over, so that it is evenly fermented by the air supplied into the fermentation chamber 7. The sludge 2'' that has been efficiently composted in this way is taken out as high-quality compost 4 from the lower drainage port 5 by rotating the lower damper 8.
なお、本実施例においては撹拌装置９の隣接す
る回転軸１０は互いに逆方向に回転されている
が、互いに噛み合う歯車１３間に遊び歯車を入れ
て各回転軸１０をすべて同一方向に回転させるよ
うにすることもできる。また、本実施例において
は回転刃１１は単に半径方向に延長されているだ
けであるが、この回転刃１１にさらに枝刃を設け
て汚泥２′がさらに効果的に切返されるようにし
てもよい。また、本実施例においては撹拌装置９
の各回転軸１０は同時にすべて同一速度で回転さ
れるようになつているが、各回転軸１０の回転数
は選択的に調速し得るようにしてもよい。 In this embodiment, the adjacent rotating shafts 10 of the stirring device 9 are rotated in opposite directions, but an idle gear is inserted between the mutually meshing gears 13 so that all the rotating shafts 10 rotate in the same direction. It can also be done. Further, in this embodiment, the rotary blade 11 is simply extended in the radial direction, but the rotary blade 11 may be further provided with branch blades to more effectively cut back the sludge 2'. good. In addition, in this embodiment, the stirring device 9
The rotating shafts 10 are all rotated simultaneously at the same speed, but the rotational speed of each rotating shaft 10 may be selectively controlled.
さらに、本実施例は、発酵槽１を発酵室６，７
を２段構成のものとしているが、それ以上の多段
に構成してもよく、その場合には、各段のダンパ
ー８の下方にそれぞれ撹拌装置９，９を設けるこ
とができる。 Furthermore, in this embodiment, the fermenter 1 is replaced by fermentation chambers 6 and 7.
Although the damper is constructed in two stages, it may be constructed in more stages, in which case stirring devices 9, 9 can be provided below the damper 8 of each stage.
本考案の発酵槽は上記のように構成されている
ので、ダンパー回動時に落下する汚泥は、ダンパ
ーの回動と連動して駆動される撹拌装置の回転刃
によつて確実に切返されて破砕され撹拌混合され
ることになり、しかも、撹拌装置はダンパーの下
位の下段発酵室の空所に位置しているので、少な
い動力で高速回転させることができたため、汚泥
の切返し、破砕、撹拌、混合が極めて良好に行な
われることになると共に、発酵熱が外部に放散さ
れることもないので、発酵槽内を発酵に適した高
温に保つことができる。さらに撹拌装置は回転軸
の長手方向に所定間隔をおいて回転刃を多数設け
ただけであるから、構造がきわめて簡単で安価に
製作することができ、取扱いも容易で故障も少な
く、下水等の有機汚泥を発酵させてコンポスト化
するので実用上きわめて有効な発酵槽を提供し得
るものである。 Since the fermenter of the present invention is configured as described above, the sludge that falls when the damper rotates is reliably turned back by the rotating blade of the stirring device that is driven in conjunction with the damper rotation. The sludge will be crushed and mixed by stirring, and since the stirring device is located in the empty space of the lower fermentation chamber below the damper, it can be rotated at high speed with less power, making it possible to turn over, crush, and stir the sludge. Since mixing is performed extremely well and fermentation heat is not dissipated to the outside, the inside of the fermenter can be maintained at a high temperature suitable for fermentation. Furthermore, since the stirring device is simply equipped with a large number of rotating blades spaced at predetermined intervals along the length of the rotating shaft, the structure is extremely simple and can be manufactured at low cost. Since organic sludge is fermented and composted, it is possible to provide a fermenter that is extremely effective in practice.
第１図は本考案の一実施例を示す発酵槽の断面
図で第２図はその発酵槽内の撹拌装置を透視して
見た斜視図である。
１……発酵槽、２，２′，２″……汚泥、６，７
……発酵室、８……ダンパー、９……撹拌装置、
１０……回転軸、１１……回転刃、１５……モー
タ。
FIG. 1 is a sectional view of a fermenter showing an embodiment of the present invention, and FIG. 2 is a perspective view of a stirring device in the fermenter. 1...Fermentation tank, 2,2',2''...Sludge, 6,7
... Fermentation chamber, 8 ... Damper, 9 ... Stirring device,
10... Rotating shaft, 11... Rotating blade, 15... Motor.
Claims (1)
上下に数段の発酵室を形成し、各発酵室の底部に
は、所定間隔をおいて多数のダンパーを回動可能
に支承させると共に、それらダンパーの下方位置
の下段発酵室の空所に、ダンパー回動時に落下す
る汚泥を切返す回転刃を回転軸の長手方向に所定
間隔をおいて多数取付けた撹拌装置を設けたこと
を特徴とする発酵槽。 In a tank with an input port at the top and a discharge port at the bottom,
Several stages of fermentation chambers are formed above and below, and a number of dampers are rotatably supported at the bottom of each fermentation chamber at predetermined intervals. A fermentation tank characterized in that it is equipped with a stirring device in which a large number of rotary blades are attached at predetermined intervals in the longitudinal direction of a rotating shaft to cut back sludge that falls when a damper is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983110149U JPS6020544U (en) | 1983-07-18 | 1983-07-18 | fermenter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983110149U JPS6020544U (en) | 1983-07-18 | 1983-07-18 | fermenter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6020544U JPS6020544U (en) | 1985-02-13 |
| JPH0230420Y2 true JPH0230420Y2 (en) | 1990-08-16 |
Family
ID=30256304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983110149U Granted JPS6020544U (en) | 1983-07-18 | 1983-07-18 | fermenter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6020544U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5489080A (en) * | 1977-12-26 | 1979-07-14 | Ngk Insulators Ltd | Vertical fermenting apparatus |
| JPS5585494A (en) * | 1978-12-22 | 1980-06-27 | Mitsubishi Heavy Ind Ltd | Fermentation cell |
| JPS5777089A (en) * | 1980-10-29 | 1982-05-14 | Mitsubishi Kakoki Kk | Composting device |
| JPS5888192A (en) * | 1981-11-18 | 1983-05-26 | 三菱化工機株式会社 | Composting device |
-
1983
- 1983-07-18 JP JP1983110149U patent/JPS6020544U/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5489080A (en) * | 1977-12-26 | 1979-07-14 | Ngk Insulators Ltd | Vertical fermenting apparatus |
| JPS5585494A (en) * | 1978-12-22 | 1980-06-27 | Mitsubishi Heavy Ind Ltd | Fermentation cell |
| JPS5777089A (en) * | 1980-10-29 | 1982-05-14 | Mitsubishi Kakoki Kk | Composting device |
| JPS5888192A (en) * | 1981-11-18 | 1983-05-26 | 三菱化工機株式会社 | Composting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6020544U (en) | 1985-02-13 |
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