JP3107724U - Sludge drying equipment - Google Patents

Sludge drying equipment Download PDF

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JP3107724U
JP3107724U JP2004005486U JP2004005486U JP3107724U JP 3107724 U JP3107724 U JP 3107724U JP 2004005486 U JP2004005486 U JP 2004005486U JP 2004005486 U JP2004005486 U JP 2004005486U JP 3107724 U JP3107724 U JP 3107724U
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sludge
filtration container
drying
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勝 宮本
敏博 和田
聖治 大西
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有限会社 エムケイ
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Abstract

【課題】小さい敷地面積で効率よく汚泥を天日乾燥させることができる汚泥乾燥装置を提供する。
【解決手段】濾過容器が載置可能な複数の棚31,32を上下に間隔をもって重合配置させた乾燥棟3と、上下の棚31,32間に配置された屋根板33とを備え、汚泥入り濾過容器1を、前記複数の棚31,32上にそれぞれ載せるとともに、前記屋根板33により、上段棚32に載せられた汚泥入り濾過容器1から滴下する水が下段棚31に載せられている汚泥入り濾過容器1内に入らないようにして天日乾燥させるようにした汚泥乾燥装置である。
【選択図】図6
To provide a sludge drying apparatus capable of efficiently drying sludge in the sun on a small site area.
A drying ridge 3 in which a plurality of shelves 31 and 32 on which filtration containers can be placed is placed in an overlapping manner in the vertical direction, and a roof plate 33 disposed between the upper and lower shelves 31 and 32, is provided with sludge. The filtered filtration container 1 is placed on each of the plurality of shelves 31, 32, and water dripped from the sludge-filled filtration container 1 placed on the upper shelf 32 is placed on the lower shelf 31 by the roof plate 33. This is a sludge drying device that is sun-dried so as not to enter the sludge-containing filtration container 1.
[Selection] Figure 6

Description

本考案は、例えば浄水場や下水処理場、あるいは工場などで発生する汚泥を乾燥させるための汚泥乾燥装置に関するものである。   The present invention relates to a sludge drying apparatus for drying sludge generated in, for example, a water purification plant, a sewage treatment plant, or a factory.

水中から汲み上げられた汚泥は、含水率が95〜97%もあり、その高含水率のままでは次の処理が行えないので、高含水汚泥は乾燥(あるいは脱水)させる必要がある。従来から、汚泥乾燥方法として、汚泥を天日で自然乾燥させる方法と、汚泥を機械的に圧縮濾過する方法とがある。   The sludge pumped up from the water has a moisture content of 95 to 97%, and the next treatment cannot be carried out with the high moisture content, so it is necessary to dry (or dehydrate) the high moisture content sludge. Conventionally, sludge drying methods include a method of naturally drying sludge in the sun and a method of mechanically compressing and filtering sludge.

従来の天日乾燥による汚泥乾燥方法は、一般にコンクリートプールの底に砂を敷き詰め、この敷砂の上に汲み上げた汚泥を載せて天日乾燥させるようにしている。尚、汚泥中の水は、敷砂の空間を透過してプール底から外に流れ出すとともに、空気に接触する汚泥上面から水蒸気となって徐々に蒸発する。   In the conventional sludge drying method by sun drying, sand is generally spread on the bottom of a concrete pool, and the sludge pumped up on this floor sand is dried by the sun. The water in the sludge permeates through the space of the sand and flows out from the bottom of the pool, and gradually evaporates as water vapor from the top surface of the sludge in contact with air.

ところで、このような従来の天日による汚泥乾燥方法では、プール中で乾燥させる汚泥はその上面しか空気に接触していないので、蒸発による乾燥効率が非常に悪い。因に、プール内において例えば厚さ50cm程度の汚泥を天日乾燥させる場合には、季節によって長短があるが1回当たり年平均で5〜6ケ月もかかり、しかも汚泥の厚さが厚いと最終含水率が50%程度までしか乾燥できない。   By the way, in such a conventional sludge drying method by sunlight, the drying efficiency by evaporation is very poor because the sludge to be dried in the pool is in contact with the air only on its upper surface. For example, when sludge with a thickness of about 50cm is dried in the sun in the pool, it takes 5 to 6 months on average per season, although it may vary depending on the season. It can only be dried to a moisture content of about 50%.

又、このように、汚泥をプール内に入れて天日乾燥させる方法では、単位面積当たりの汚泥量を多くする(厚さを厚くする)と、汚泥中心部まで乾燥させる日数が加速度的に多く必要であり、汚泥乾燥場所の回転効率が悪くなる(単位面積当たりの汚泥乾燥処理量が少ない)。従って、従来の天日乾燥方法では、順次発生する量の汚泥を乾燥処理するためにそれに見合う広面積の処理場所を確保する必要があった。   In addition, in this way, in the method of putting sludge in the pool and drying in the sun, increasing the amount of sludge per unit area (thickening the thickness) increases the number of days to dry to the sludge center. Necessary, and the rotational efficiency of the sludge drying place is poor (the sludge drying treatment amount per unit area is small). Therefore, in the conventional sun drying method, in order to dry the sludge generated in sequence, it is necessary to secure a processing area with a large area corresponding to the drying treatment.

他方、汚泥を機械的に圧縮濾過する方法では、機械設備が大掛かりとなり、且つ濾過材に高圧力がかかるのでその濾過材の耐久期間が短くなるので、汚泥一単位当たりの乾燥処理コストが高価であるという問題がある。   On the other hand, in the method of mechanically compressing and filtering sludge, the mechanical equipment becomes large, and the high pressure is applied to the filter material, so the durability period of the filter material is shortened, so the drying treatment cost per unit of sludge is expensive. There is a problem that there is.

本考案は、汚泥を天日乾燥させる際に、汚泥中の水分の蒸発を促進させて時間当たりの乾燥効率を向上させ得るようにした汚泥乾燥装置を提供することを第1の目的とし、小さい敷地面積で時間当たりの汚泥乾燥処理量を多くできるようにした汚泥乾燥装置を提供することを第2の目的としている。   The first object of the present invention is to provide a sludge drying device that can improve the drying efficiency per hour by promoting the evaporation of moisture in the sludge when drying the sludge in the sun. The second object is to provide a sludge drying apparatus capable of increasing the amount of sludge drying treatment per hour in the site area.

本考案は、上記課題を解決するための手段として次の構成を有している。
請求項1の考案は、天日乾燥による汚泥乾燥装置を対象にしている。そして、請求項1の汚泥乾燥装置では、砂の通過を阻止し且つ水及び空気の通過を許容する濾布(12)を敷いた濾過容器(10)であって、この濾過容器(10)内に汚泥(A)を収容し、その汚泥入り濾過容器(1)を地面から離間させて汚泥(A)中の水を濾布(12)を通して自然滴下させた後、汚泥(A)中の残余の水分を大気に開放された上面側及び濾布(12)の接触面からそれぞれ蒸発させながら天日乾燥させる濾過容器(10)と、前記濾過容器(10)が載置可能な複数の棚(31,32)を上下に間隔をもって重合配置させた乾燥棟(3)と、上下の棚(31,32)間に配置された屋根板(33)とを備え、前記汚泥入り濾過容器(1)を、前記複数の棚(31,32)上にそれぞれ載せるとともに、前記屋根板(33)により、上段棚(32)に載せられた汚泥入り濾過容器(1)から滴下する水が下段棚(31)に載せられている汚泥入り濾過容器(1)内に入らないようにして天日乾燥させるようにしたことを特徴とする。
The present invention has the following configuration as means for solving the above problems.
The device of claim 1 is directed to a sludge drying apparatus using sun drying. The sludge drying apparatus according to claim 1 is a filtration container (10) provided with a filter cloth (12) that prevents passage of sand and allows passage of water and air. The sludge (A) is stored in the filter, the sludge-containing filtration container (1) is separated from the ground, and the water in the sludge (A) is naturally dropped through the filter cloth (12), and then the residue in the sludge (A) And a plurality of shelves (10) on which the filtration container (10) can be placed (where the filtration container (10) is dried). 31 and 32) are provided with a drying ridge (3) in which the upper and lower spaces are overlapped and a roof plate (33) disposed between the upper and lower shelves (31, 32), and the sludge-containing filtration container (1). Are placed on the plurality of shelves (31, 32), respectively, and the roof plate ( 3) The water dripped from the sludge-containing filtration container (1) placed on the upper shelf (32) is prevented from entering the sludge-containing filtration container (1) placed on the lower shelf (31). It is characterized by being sun-dried.

この請求項1の汚泥乾燥装置で使用される濾過容器は、特に限定するものではないが、例えば2m×3〜4m程度の面積で高さが20〜30cm程度の比較的薄型のものがよい。そして、この濾過容器内には、汚泥を例えば10〜20cmの範囲で充填する。   The filtration container used in the sludge drying apparatus according to claim 1 is not particularly limited. For example, a relatively thin container having an area of about 2 m × 3 to 4 m and a height of about 20 to 30 cm is preferable. And this filtration container is filled with sludge in the range of 10-20 cm, for example.

汚泥入り濾過容器は、地面から離間させた状態で自然乾燥させるが、水中から汲み出した汚泥を濾過容器内に充填した当初は、汚泥中の水が濾過容器の濾布を通して下方に滴下する。尚、濾過容器内の汚泥厚さが10〜20cm程度であれば、2〜3日程度で水の滴下が終了する。そして、その後は汚泥の上面からだけでなく、濾布の側周面及び底面からも汚泥中の水分が蒸発するようになる。即ち、請求項1の汚泥乾燥装置では、水の滴下終了後は汚泥における外気に接触する面積(水分の蒸発面積)が大幅に広くなり、汚泥中の水分の蒸発効率(乾燥効率)が良好となる。   The sludge-containing filtration container is naturally dried while being separated from the ground. However, when the sludge pumped out from the water is initially filled in the filtration container, the water in the sludge is dropped downward through the filter cloth of the filtration container. In addition, if the sludge thickness in a filtration container is about 10-20 cm, dripping of water will be complete | finished in about 2-3 days. And after that, the water | moisture content in sludge evaporates not only from the upper surface of sludge but from the side peripheral surface and bottom face of a filter cloth. That is, in the sludge drying apparatus of claim 1, after the dripping of water is completed, the area in contact with the outside air in the sludge (moisture evaporation area) is significantly widened, and the evaporation efficiency (drying efficiency) of moisture in the sludge is good. Become.

請求項1の考案は、上記汚泥入り濾過容器を上下に間隔をもって重合配置させた複数の棚上にそれぞれ載せて、各汚泥入り濾過容器をそれぞれ定位置で天日乾燥させるようにしている。   According to the first aspect of the present invention, the sludge-containing filtration containers are respectively placed on a plurality of shelves that are arranged in a vertically spaced manner so that each sludge-containing filtration container is sun-dried at a fixed position.

又、この請求項1の汚泥乾燥装置では、上下の棚間に屋根板を配置して、上段棚に載せられた汚泥入り濾過容器から滴下する水が下段棚に載せられている汚泥入り濾過容器内に入らないようにしながら天日乾燥させる。   Further, in the sludge drying apparatus according to claim 1, the roofboard is disposed between the upper and lower shelves, and the sludge-containing filtration container in which water dripping from the sludge-containing filtration container placed on the upper shelf is placed on the lower shelf. Let it dry in the sun while keeping it out of the inside.

この請求項1の汚泥乾燥装置では、各棚には水切りしていない汚泥入り濾過容器がそのまま載せられるために汚泥中の水が濾過容器の濾布を通して滴下するが、その滴下した水はその上段棚と下段棚との間に設置している屋根板で受け止められる。従って、上段棚上の汚泥入り濾過容器側から滴下した水が下段棚上の汚泥入り濾過容器内に入ることがなく、それぞれ各棚(定位置)で乾燥させるようにしたものであっても、滴下する水で下段側の汚泥の乾燥速度が遅くなることがない。この請求項1の汚泥乾燥装置では、上下に重合する複数の棚上でそれぞれ汚泥入り濾過容器を乾燥させるようにしているので、小さい敷地面積で効率よく天日乾燥させることができる。即ち、単位敷地面積当たりの汚泥乾燥処理量が多くなり、敷地を有効利用できる。   In the sludge drying apparatus according to the first aspect, since the sludge-containing filtration container without draining is placed on each shelf as it is, the water in the sludge is dripped through the filter cloth of the filtration container. It is received by the roof plate installed between the shelf and the lower shelf. Therefore, the water dripped from the sludge-containing filtration container on the upper shelf does not enter the sludge-containing filtration container on the lower shelf, and each of them is dried at each shelf (fixed position), The drying rate of the sludge on the lower side is not slowed by the dripping water. In the sludge drying apparatus according to the first aspect, the sludge-containing filtration containers are dried on the plurality of shelves that are vertically polymerized, so that the sun can be efficiently dried in a small site area. That is, the amount of sludge drying treatment per unit site area increases, and the site can be used effectively.

本考案の汚泥乾燥装置は、次のような効果がある。
請求項1の考案の汚泥乾燥装置は、濾布を敷いた濾過容器内に汚泥を収容し、その汚泥入り濾過容器を地面から離間させて汚泥中の水を濾布を通して自然滴下させた後、汚泥中の残余の水分を天日乾燥させるようにしている。
The sludge drying apparatus of the present invention has the following effects.
The sludge drying device of the invention of claim 1 contains sludge in a filter container on which filter cloth is laid, and after the sludge-containing filter container is separated from the ground and water in the sludge is dripped naturally through the filter cloth, The remaining water in the sludge is dried in the sun.

従って、請求項1の汚泥乾燥装置によれば、高含水汚泥中の水を濾布で水切りでき、さらにそれに続いて天日乾燥させるときに、汚泥の上面からだけでなく濾布の側周面及び底面からも汚泥中の水分を蒸発させることができるので、汚泥の乾燥効率が良好となる(乾燥日数を短くできる)という効果がある。   Therefore, according to the sludge drying apparatus of claim 1, the water in the high water content sludge can be drained by the filter cloth, and when the sun is subsequently dried, not only from the upper surface of the sludge, but also from the side peripheral surface of the filter cloth. And since the water in the sludge can be evaporated also from the bottom surface, there is an effect that the drying efficiency of the sludge is improved (the drying days can be shortened).

また、請求項1の考案は、汚泥入り濾過容器を、上下に間隔をもって重合配置させた複数の棚上にそれぞれ載せるとともに、上下の棚間に屋根板を配置して、上段棚に載せられた汚泥入り濾過容器から滴下する水が下段棚に載せられている汚泥入り濾過容器内に入らないようにしながら天日乾燥させるようにしている。   In addition, the invention of claim 1 puts the sludge-containing filtration container on a plurality of shelves arranged in a vertical direction with a space between them, and placed a roof plate between the upper and lower shelves to place them on the upper shelf. The water is dripped from the sludge-containing filtration container so that the water does not enter the sludge-containing filtration container placed on the lower shelf.

このように、上下の棚間に屋根板を配置しておくと、上段棚上の汚泥入り濾過容器側から滴下した水が下段棚上の汚泥入り濾過容器内に入ることがなく、それぞれ各棚の定位置で乾燥させるようにしたものであっても、滴下する水で下段側の汚泥の乾燥速度が遅くなることがない。又、上下に重合する複数の棚上でそれぞれ汚泥入り濾過容器を乾燥させるようにしているので、小さい敷地面積で効率よく天日乾燥させることができるという効果がある。   Thus, if the roof plate is arranged between the upper and lower shelves, the water dripped from the sludge-containing filtration container on the upper shelf does not enter the sludge-containing filtration container on the lower shelf, and each shelf Even if it is made to dry at this fixed position, the drying speed | rate of the sludge of the lower stage side does not become slow with the dripping water. In addition, since the sludge-containing filtration containers are each dried on a plurality of shelves that are vertically polymerized, there is an effect that the sun can be efficiently dried in a small site area.

図1〜図6を参照して本考案の実施形態の汚泥乾燥装置を説明すると、図1及び図2には参考例1が示され、図3及び図4には参考例2が示され、図5及び図6には本考案の第1実施形態(請求項1に対応する)が示されている。   The sludge drying apparatus according to the embodiment of the present invention will be described with reference to FIGS. 1 to 6. Reference Example 1 is shown in FIGS. 1 and 2, and Reference Example 2 is shown in FIGS. 3 and 4. 5 and 6 show a first embodiment of the present invention (corresponding to claim 1).

参考例1の汚泥乾燥方法は、例えば図1に示すような濾過容器10を使用して行う。この濾過容器10は、細鉄筋を四角形の浅皿状に組付けて形成した受け籠11と、その受け籠11内に収容される浅皿容器形の濾布12とで構成されている。尚、濾過容器10の大きさ及び形状は、特に限定するものではないが、図1及び図2に示す実施形態では、2m×3m程度の面積を有する四角形で高さが20cm程度の大きさのものを使用している。   The sludge drying method of Reference Example 1 is performed using, for example, a filtration container 10 as shown in FIG. The filtration container 10 includes a receiving bowl 11 formed by assembling thin reinforcing bars in a square shallow dish shape, and a shallow dish container-shaped filter cloth 12 accommodated in the receiving bowl 11. Although the size and shape of the filtration container 10 are not particularly limited, the embodiment shown in FIGS. 1 and 2 is a quadrilateral having an area of about 2 m × 3 m and a height of about 20 cm. I am using something.

濾布12は、砂の通過を阻止する一方、液体及び空気の通過を許容するようなメッシュ状の濾材で形成されている。受け籠11は、濾布12の保形性を確保するためのものであり、濾布12が受け籠11内に過不足なく収まるようになっている。   The filter cloth 12 is formed of a mesh-like filter medium that prevents passage of sand while allowing passage of liquid and air. The receiving bowl 11 is for ensuring the shape retaining property of the filter cloth 12, and the filter cloth 12 can be accommodated in the receiving bowl 11 without excess or deficiency.

図2に示す参考例1の汚泥乾燥方法は、次のようにして行う。まず、図1に示す受け籠11内に濾布12を組付けで濾過容器10を構成しておき、その濾過容器10内に所定量(例えば15cm程度の厚さ)の汚泥Aを収容する。次に、その汚泥入り濾過容器1を棚13上に載せて地面から離間させる。すると、初期段階では、汚泥A中の水が符号Wで示すように濾布12を通して自然滴下するが、例えば汚泥Aの厚さが10〜15cm程度であれば、2〜3日程度で水Wの滴下が停止する。そして、その後は、汚泥A中の残余の水分を、それぞれ符号Sで示すように大気に開放された上面側及び濾布接触面(側周面及び下面)から蒸発させながら天日乾燥させる。   The sludge drying method of Reference Example 1 shown in FIG. 2 is performed as follows. First, a filter container 10 is configured by assembling a filter cloth 12 in a receptacle 11 shown in FIG. 1, and a predetermined amount (for example, a thickness of about 15 cm) of sludge A is accommodated in the filter container 10. Next, the sludge-containing filtration container 1 is placed on the shelf 13 and separated from the ground. Then, in the initial stage, the water in the sludge A drops spontaneously through the filter cloth 12 as indicated by the symbol W. For example, if the thickness of the sludge A is about 10 to 15 cm, the water W is consumed in about 2 to 3 days. Stops dripping. After that, the remaining moisture in the sludge A is sun-dried while evaporating from the upper surface side and the filter cloth contact surface (side circumferential surface and lower surface) opened to the atmosphere, as indicated by symbol S.

従って、参考例1の汚泥乾燥方法によれば、汚泥を天日乾燥させるのに、汚泥Aを濾過容器10に入れて乾燥させるようにしているので、汚泥Aが外気に接触する面積(水分の蒸発面積)が大幅に広くなり、汚泥中の水分の蒸発効率が良好となる(乾燥時間が短縮される)。   Therefore, according to the sludge drying method of Reference Example 1, since sludge A is put in the filtration container 10 and dried in order to dry the sludge in the sun, the area where the sludge A comes into contact with the outside air (moisture content) (Evaporation area) is greatly widened, and the evaporation efficiency of water in the sludge is improved (drying time is shortened).

尚、汚泥Aを濾過容器10内に15cm程度の厚さで収容した場合の実験では、4〜5日程度経過したときに乾燥汚泥Aに亀裂が発生し始め、外気に接触する面積が一層広くなって蒸発作用がさらに促進された。そして、1カ月後には汚泥Aの含水率が23.6%になった。ところで、汚泥Aがここまで乾燥すると、粉砕すれば汚泥成分がパウダー状になる。従って、この乾燥汚泥を例えばレンガの原料として使用するときには、他の材料との混和性が良好となる。   In the experiment in which the sludge A is accommodated in the filtration container 10 with a thickness of about 15 cm, the dried sludge A starts to crack after about 4 to 5 days, and the area in contact with the outside air is wider. The evaporation action was further promoted. And the moisture content of the sludge A became 23.6% after one month. By the way, when the sludge A is dried so far, the sludge component becomes powdery when pulverized. Therefore, when this dried sludge is used as a raw material for bricks, for example, the miscibility with other materials becomes good.

図3及び図4に示す参考例2の汚泥乾燥方法は、上記参考例1に記載した汚泥入り濾過容器を複数の棚上を移動させながら天日乾燥させるようにしたものである。   The sludge drying method of Reference Example 2 shown in FIGS. 3 and 4 is such that the sludge-containing filtration container described in Reference Example 1 is sun-dried while moving on a plurality of shelves.

即ち、この参考例2では、複数の棚21〜24を上下に重合配置させた乾燥棟2を使用して行う。即ち、図3及び図4に示す実施形態では、乾燥棟2は、上下に4段の棚21,22,23,24を有し、且つ各棚21〜24にそれぞれ3枚の汚泥入り濾過容器1を載せるスペースを有している。又、この乾燥棟2の左右各端部には、汚泥入り濾過容器1を各段の棚21〜24の高さまで昇降させるためのリフター装置25L,25Rがそれぞれ配置されている。この各リフター装置25L,25Rは、汚泥入り濾過容器1を載せるための載せ台26L(又は26R)を昇降させるためのもので、図示例ではパンタグラフ式のものを採用している。そして、各リフター装置25L,25Rにより、左右の載せ台26L,26Rをそれぞれ図4に符号L1〜L4(又はR1〜R4)で示すように各段の棚21〜24と同高さに合致させ得るようにしている。又、各載せ台26L,26Rには、それぞれ汚泥入り濾過容器1を各棚21〜24に出し入れするための給排装置27L(又は27R)が設けられている。   That is, in Reference Example 2, the drying is performed using the drying building 2 in which a plurality of shelves 21 to 24 are vertically arranged. That is, in the embodiment shown in FIG. 3 and FIG. 4, the drying building 2 has four stages of shelves 21, 22, 23, 24 on the top and bottom, and three sludge-containing filtration containers on each of the shelves 21-24. 1 has a space for loading. In addition, lifter devices 25L and 25R for raising and lowering the sludge-containing filtration container 1 to the height of the shelves 21 to 24 of the respective stages are arranged at the left and right ends of the drying building 2, respectively. Each of the lifter devices 25L and 25R is for raising and lowering a platform 26L (or 26R) for placing the sludge-containing filtration container 1, and in the illustrated example, a pantograph type is adopted. Then, the left and right platforms 26L and 26R are brought to the same height as the shelves 21 to 24 of each stage as indicated by reference numerals L1 to L4 (or R1 to R4) in FIG. Trying to get. Each of the platforms 26L and 26R is provided with a supply / discharge device 27L (or 27R) for taking the sludge-containing filtration container 1 into and out of the shelves 21 to 24, respectively.

そして、この参考例2の汚泥乾燥方法は、次のようにして行う。まず、高含水の汚泥Aを濾過容器10に入れ、→その汚泥入り濾過容器1を左側リフター装置25Lの載せ台26Lに載せ、→その汚泥入り濾過容器1を給排装置27Lで第1段棚21の入口21aから該第1段棚21上に送り込む。同様に、第1段棚21上には、順次玉突き状に3つの汚泥入り濾過容器1を送り込む。この状態では、第1段棚21に載せられている各汚泥入り濾過容器1,1,1の汚泥A(図2)中の水が濾布12(図1、図2)を通して滴下し、2〜3日後には汚泥入り濾過容器1からの水の滴下が終了する。   And the sludge drying method of this reference example 2 is performed as follows. First, the highly water-containing sludge A is put into the filtration container 10, and then the sludge-containing filtration container 1 is placed on the platform 26L of the left lifter device 25L, and then the sludge-containing filtration container 1 is placed on the first shelf by the supply / discharge device 27L. 21 is fed onto the first shelf 21 from the inlet 21a. Similarly, the three sludge-containing filtration containers 1 are sequentially fed onto the first shelf 21 in a ball shape. In this state, water in the sludge A (FIG. 2) of the sludge-containing filtration containers 1, 1, 1 placed on the first shelf 21 is dripped through the filter cloth 12 (FIGS. 1 and 2). After 3 days, the dripping of water from the sludge-containing filtration container 1 is completed.

その後に、左側載せ台26Lに次の高含水汚泥入り濾過容器1を載せてその汚泥入り濾過容器1を第1段棚21の入口21a側に送り込む。すると、第1段棚21の出口21bにある水切り済みの汚泥入り濾過容器1が右側載せ台26R上に押し出され、→その汚泥入り濾過容器1を載せた右側載せ台26Rを右側リフター装置25Rで第2段棚22の高さ(符号R2の高さ)まで上昇させ、→給排装置27Rを送り込み側に作動させて汚泥入り濾過容器1を第2段棚22の入口22aに送り込む。同様に、第1段棚21の入口21aへの高含水汚泥入り濾過容器1の送り込み動作と、第1段棚21の出口21bからの水切り済み汚泥入り濾過容器1の右側載せ台26R上への排出動作とを行わせ、→右側載せ台26Rを符号R2の高さまで上昇させ、→その汚泥入り濾過容器を第2段棚22の入口22a側に送り込む。そのとき、先に第2段棚22上に載せられている汚泥入り濾過容器1は、玉突き状に奥側に押される。   Thereafter, the next filtration container 1 with high water content sludge is placed on the left platform 26L, and the filtration container 1 with sludge is sent to the inlet 21a side of the first shelf 21. Then, the drained sludge-containing filtration container 1 at the outlet 21b of the first shelf 21 is pushed out onto the right platform 26R. The height is raised to the height of the second shelf 22 (the height of the reference symbol R2), and the supply / discharge device 27R is operated to the feeding side to feed the sludge-containing filtration container 1 into the inlet 22a of the second shelf 22. Similarly, the feeding operation of the highly water-containing sludge-containing filtration container 1 to the inlet 21a of the first shelf 21 and the drainage-containing sludge-containing filtration container 1 from the outlet 21b of the first shelf 21 onto the right platform 26R. → The right platform 26 </ b> R is raised to the height of the symbol R <b> 2, and the sludge-containing filtration container is fed to the inlet 22 a side of the second shelf 22. At that time, the sludge-containing filtration container 1 previously placed on the second shelf 22 is pushed to the back side like a ball.

順次、同様にして、第1段棚21の入口21aから高含水汚泥入り濾過容器1を送り込むとともに、各段の棚にある汚泥入り濾過容器1を順次水平移動又は段上げさせて、最終的に図4に示す各段の棚21〜24にそれぞれ汚泥入り濾過容器1を満杯にして天日乾燥させる。尚、汚泥入り濾過容器1が、第1段棚21の入口21aに送り込まれた後、最上段棚24の出口24bから押し出されるまでに1ケ月程度をかけて移動させるようにすると、濾過容器10内の汚泥Aを十分な乾燥度合いまで乾燥させることができる。   In the same manner, the filtration container 1 with high water content sludge is fed from the inlet 21a of the first stage shelf 21 and the filtration container 1 with sludge on each stage shelf is sequentially horizontally moved or raised, and finally Each of the shelves 21 to 24 shown in FIG. 4 is filled with the sludge-containing filtration container 1 and dried in the sun. If the sludge-containing filtration container 1 is moved to the inlet 21a of the first shelf 21 and is moved from the outlet 24b of the uppermost shelf 24 over about one month, the filtration container 10 is moved. The sludge A can be dried to a sufficient degree of drying.

最上段棚24の出口24b部分にある乾燥済みの汚泥入り濾過容器1は、次のようにして排出される。即ち、左側載せ台26Lを符号L4の高さまで上動させておき、第3段棚23の出口23bから排出される汚泥入り濾過容器1を右側載せ台26Rに載せた状態で符号R4の高さまで上動させ、右側載せ台26R上の汚泥入り濾過容器1を給排装置27Rで最上段棚24の入口24a側に送り込むことで、最上段棚24の出口24bにあった乾燥済みの汚泥入り濾過容器1を玉突き状に左側載せ台26L上に移乗させる。尚、高さL4の位置において左側載せ台26L上に載せた汚泥入り濾過容器1は、該左側載せ台26Lを降下させる途中で自動的に反転(裏返し)させて、濾過容器10内の乾燥汚泥Aを所定の容器(あるいはトラック荷台)に移し替えるようにしてもよい。   The dried sludge-containing filtration container 1 at the outlet 24b portion of the uppermost shelf 24 is discharged as follows. That is, the left platform 26L is moved up to the height of the symbol L4, and the sludge-containing filtration container 1 discharged from the outlet 23b of the third shelf 23 is placed on the right platform 26R to the height of the symbol R4. The sludge-containing filtration container 1 on the right platform 26R is moved up and sent to the inlet 24a side of the uppermost shelf 24 by the supply / discharge device 27R, so that the dried sludge-containing filtration at the outlet 24b of the uppermost shelf 24 is obtained. The container 1 is transferred onto the left platform 26L in a ball shape. The sludge-containing filtration container 1 placed on the left platform 26L at the position of the height L4 is automatically reversed (turned over) while the left platform 26L is lowered, and the dried sludge in the filtration container 10 is placed. A may be transferred to a predetermined container (or truck bed).

このように、汚泥入り濾過容器1を各段棚21〜24の下段側から上段側に順次移動させながら天日乾燥させるようにすると、当初の高含水汚泥入り濾過容器1から滴下する水が第1段棚21部分で完全に切れてしまい、第2段棚22以上の高さに載せられている汚泥入り濾過容器1から水が滴下することがない。又、上下に重合する複数の棚21〜24上でそれぞれ汚泥入り濾過容器1を乾燥させるようにしているので、単位敷地面積当たりの汚泥乾燥処理量が多くなり、敷地を有効利用できる。   In this way, when the sludge-containing filtration container 1 is sun-dried while being sequentially moved from the lower stage side to the upper stage side of each of the shelf shelves 21 to 24, the water dripped from the original high-water content sludge-containing filtration container 1 is first. It is completely cut off at the first shelf 21 and water does not drip from the sludge-containing filtration container 1 placed at a height higher than the second shelf 22. Moreover, since the sludge-containing filtration containers 1 are dried on the plurality of shelves 21 to 24 that are vertically polymerized, the amount of sludge drying per unit site area is increased, and the site can be used effectively.

図5及び図6に示す本考案の第1実施形態の汚泥乾燥装置は、上記参考例1に記載した汚泥入り濾過容器を複数の棚上にそれぞれ定置状態で載せて天日乾燥させるようにしたものである。   The sludge drying apparatus according to the first embodiment of the present invention shown in FIGS. 5 and 6 is configured to place the sludge-containing filtration containers described in Reference Example 1 on a plurality of shelves in a stationary state and dry them in the sun. Is.

この第1実施形態では、例えば上下2段の棚31,32を有した乾燥棟3を使用する。この乾燥棟3の各段の棚31,32には、図5に示すように前後に3区画と図6に示すように左右に2区画の合計6区画づつの汚泥入り濾過容器1の載置スペースを設けている。尚、他の実施形態では、乾燥棟3における棚31,32の段数や各棚31,32における汚泥入り濾過容器1の載置スペース数は、適宜に設計変更できることは勿論である。   In the first embodiment, for example, a drying building 3 having upper and lower shelves 31 and 32 is used. On the shelves 31, 32 of each stage of the drying building 3, the sludge-containing filtration containers 1 are placed in a total of 6 sections, 3 sections in the front and rear as shown in FIG. 5 and 2 sections in the left and right as shown in FIG. Space is provided. In other embodiments, the number of shelves 31 and 32 in the drying building 3 and the number of placement spaces for the sludge-containing filtration containers 1 in the shelves 31 and 32 can be changed as appropriate.

又、この第1実施形態では、図6に示すように左右2基のリフター装置25L,25Rを使用しているが、この各リフター装置25L,25Rは、乾燥棟3の長さ方向(図5の左右方向)に走行可能となっている。尚、このリフター装置の構造は、基本的に図4のものとほぼ同機能を有しており、各棚31,32に汚泥入り濾過容器1を出し入れし得るようになっている。   Further, in the first embodiment, as shown in FIG. 6, two left and right lifter devices 25L and 25R are used, but each of the lifter devices 25L and 25R is in the length direction of the drying building 3 (FIG. 5). In the left-right direction). The structure of the lifter device basically has almost the same function as that shown in FIG. 4, and the sludge-containing filtration container 1 can be taken in and out of the shelves 31 and 32.

この乾燥棟3には、上下の棚31,32間に屋根板33を配置している。この各棚31,32間の屋根板33は、上段棚32に載せられた汚泥入り濾過容器1から滴下する水が下段棚31載せられる汚泥入り濾過容器1上に入るのを防止するものであり、上段棚32の面積をカバーできる面積を有している。   In the drying building 3, a roof plate 33 is arranged between the upper and lower shelves 31 and 32. The roof plate 33 between the shelves 31 and 32 prevents water dripping from the sludge-containing filtration container 1 placed on the upper shelf 32 from entering the sludge-containing filtration container 1 placed on the lower shelf 31. The area of the upper shelf 32 can be covered.

そして、この第1実施形態の汚泥乾燥装置では、各棚31,32には水切りしていない汚泥入り濾過容器1をそのまま載せるが、そのとき、汚泥A(図2)中の水が濾過容器10の濾布12を通して滴下する。ところが、その滴下した水は、その上段棚32と下段棚31との間に設置している屋根板33で受け止められ、上段棚32上の汚泥入り濾過容器1側から滴下した水が下段棚31上の汚泥入り濾過容器1内に入ることがない。従って、汚泥入り濾過容器1をそれぞれ各棚31,32上の定位置で乾燥させるようにしたものであっても、滴下する水で下段側の汚泥の乾燥速度が遅くなることがない。また、この第1実施形態の汚泥乾燥装置では、上下に重合する複数の棚31,32上でそれぞれ汚泥入り濾過容器1を乾燥させるようにしているので、小さい敷地面積で効率よく天日乾燥させることができる。   In the sludge drying apparatus of the first embodiment, the sludge-containing filtration containers 1 that have not been drained are placed on the shelves 31 and 32 as they are. At that time, the water in the sludge A (FIG. 2) is filtered. The filter cloth 12 is dropped. However, the dripped water is received by the roof plate 33 installed between the upper shelf 32 and the lower shelf 31, and the water dripped from the sludge-containing filtration container 1 side on the upper shelf 32 is the lower shelf 31. It does not enter the upper sludge-containing filtration container 1. Therefore, even if the sludge-containing filtration container 1 is dried at fixed positions on the shelves 31 and 32, respectively, the drying rate of the sludge on the lower side is not slowed by the dripping water. Moreover, in the sludge drying apparatus of this 1st Embodiment, since the sludge containing filtration container 1 is each dried on the some shelf 31 and 32 superposed | polymerized up and down, it is efficiently sun-dried with a small site area. be able to.

参考例1の汚泥乾燥方法で使用される濾過容器の斜視図である。It is a perspective view of the filtration container used with the sludge drying method of Reference Example 1. 図1の濾過容器を使用して行う汚泥乾燥方法の説明図である。It is explanatory drawing of the sludge drying method performed using the filtration container of FIG. 参考例2の汚泥乾燥方法で使用される乾燥棟の平面図である。It is a top view of the drying building used with the sludge drying method of the reference example 2. 図3のIV−IV矢視図である。It is the IV-IV arrow line view of FIG. 本考案の第1実施形態の汚泥乾燥装置で使用される乾燥棟の側面図である。It is a side view of the drying building used with the sludge drying apparatus of 1st Embodiment of this invention. 図5のVI−VI矢視図である。It is a VI-VI arrow line view of FIG.

符号の説明Explanation of symbols

1は汚泥入り濾過容器、2は乾燥棟、3は乾燥棟、10は濾過容器、11は受け籠、12は濾布、21〜24は棚、31〜32は棚、Aは汚泥である。

1 is a sludge-containing filtration container, 2 is a drying building, 3 is a drying building, 10 is a filtration vessel, 11 is a receiving basket, 12 is a filter cloth, 21 to 24 are shelves, 31 to 32 are shelves, and A is sludge.

Claims (1)

砂の通過を阻止し且つ水及び空気の通過を許容する濾布(12)を敷いた濾過容器(10)であって、この濾過容器(10)内に汚泥(A)を収容し、その汚泥入り濾過容器(1)を地面から離間させて汚泥(A)中の水を濾布(12)を通して自然滴下させた後、汚泥(A)中の残余の水分を大気に開放された上面側及び濾布(12)の接触面からそれぞれ蒸発させながら天日乾燥させる濾過容器(10)と、
前記濾過容器(10)が載置可能な複数の棚(31,32)を上下に間隔をもって重合配置させた乾燥棟(3)と、
上下の棚(31,32)間に配置された屋根板(33)とを備え、
前記汚泥入り濾過容器(1)を、前記複数の棚(31,32)上にそれぞれ載せるとともに、前記屋根板(33)により、上段棚(32)に載せられた汚泥入り濾過容器(1)から滴下する水が下段棚(31)に載せられている汚泥入り濾過容器(1)内に入らないようにして天日乾燥させるようにしたことを特徴とする汚泥乾燥装置。

A filtration container (10) laid with a filter cloth (12) that prevents the passage of sand and allows the passage of water and air, and the sludge (A) is accommodated in the filtration container (10). After separating the entering filtration container (1) from the ground and allowing the water in the sludge (A) to drop spontaneously through the filter cloth (12), the remaining water in the sludge (A) is opened to the atmosphere, and A filtration container (10) for drying in the sun while evaporating from the contact surface of the filter cloth (12),
A drying ridge (3) in which a plurality of shelves (31, 32) on which the filtration container (10) can be placed are superposed and spaced apart from each other; and
A roof plate (33) disposed between the upper and lower shelves (31, 32),
The sludge-containing filtration container (1) is placed on each of the plurality of shelves (31, 32), and from the sludge-containing filtration container (1) placed on the upper shelf (32) by the roof plate (33). A sludge drying apparatus characterized in that the water to be dripped is allowed to dry in the sun so as not to enter the sludge-containing filtration container (1) placed on the lower shelf (31).

JP2004005486U 2004-09-14 2004-09-14 Sludge drying equipment Expired - Lifetime JP3107724U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108558173A (en) * 2018-06-22 2018-09-21 高建峰 Mud drying device and sludge drying system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108558173A (en) * 2018-06-22 2018-09-21 高建峰 Mud drying device and sludge drying system

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