JP2015062875A5 - - Google Patents

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JP2015062875A5
JP2015062875A5 JP2013199322A JP2013199322A JP2015062875A5 JP 2015062875 A5 JP2015062875 A5 JP 2015062875A5 JP 2013199322 A JP2013199322 A JP 2013199322A JP 2013199322 A JP2013199322 A JP 2013199322A JP 2015062875 A5 JP2015062875 A5 JP 2015062875A5
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dehydrating
dehydrating tube
lid
outer cylinder
piston
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JP2013199322A
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JP6197997B2 (en
JP2015062875A (en
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Description

脱水管11は、外筒3に沿った有底の円筒形状をなし、外筒3の内部に正逆回転自在に配設される。この脱水管11は、その円筒周壁に、複数の開口部11bを備え、固定治具8の側の解放端の側に脱水管蓋部11aを着脱自在に備える。脱水管蓋部11aは、外筒3の蓋部7に連結されており、蓋部7を外筒3から取り外すときに、併せて脱水管蓋部11aも脱水管11から取り外すことができる。よって、脱水管蓋部11aが固定治具8にて蓋部7と共に取り外された状態で、脱水管11には被処理物が投入可能となり、脱水管11は、被処理物が投入された状態で処理装置本体1に収納され、後述の水蒸気供給機器群200により、外筒3の内部において、被処理物と共に亜臨界雰囲気下に置かれる。脱水管11の内部には、ピストン12が配設されており、このピストン12は、ピストン外周壁と脱水管内周壁のキーとキー溝等により脱水管11と係合された上、脱水管11の円筒の内面に沿って摺動(スライド)自在とされている。そして、シャフト10が、フランジ部3aおよび脱水管11の底部を貫通して、このピストン12に連結されている。外筒3および脱水管11は、その長手方向が水平であり、この長手方向に平行なシャフト10の長手方向が重力に対してほぼ垂直になる横型に設置されており、外筒3の内部においては、重力に従った下側の円筒部分が外筒3の底部となる。 The dehydrating tube 11 has a bottomed cylindrical shape along the outer cylinder 3 and is disposed inside the outer cylinder 3 so as to be rotatable forward and backward. The dehydrating tube 11 is provided with a plurality of openings 11b on the cylindrical peripheral wall thereof, and a dehydrating tube lid 11a is detachably provided on the open end side of the fixing jig 8 side. The dehydrating tube lid 11 a is connected to the lid 7 of the outer cylinder 3, and the dehydrating tube lid 11 a can also be removed from the dehydrating tube 11 when removing the lid 7 from the outer cylinder 3. Therefore, in a state where the dehydrating tube lid portion 11a is removed together with the lid portion 7 by the fixing jig 8, the dehydrating tube 11 can be loaded with the object to be processed. Is stored in the processing apparatus main body 1 and placed in a subcritical atmosphere together with the object to be processed inside the outer cylinder 3 by a steam supply device group 200 described later. A piston 12 is disposed inside the dehydrating pipe 11. The piston 12 is engaged with the dehydrating pipe 11 by a key and a key groove on the outer peripheral wall of the piston and the inner peripheral wall of the dehydrating pipe. It is slidable along the inner surface of the cylinder. The shaft 10 passes through the flange portion 3 a and the bottom of the dehydrating tube 11 and is connected to the piston 12. The outer cylinder 3 and the dehydrating tube 11 are installed in a horizontal shape in which the longitudinal direction is horizontal and the longitudinal direction of the shaft 10 parallel to the longitudinal direction is substantially perpendicular to gravity. The bottom cylindrical portion of the outer cylinder 3 is the lower cylindrical portion according to gravity.

次に、図2に示すように、取り出し工程を行う(ステップST8)。脱気工程から取り出し工程への推移は、制御装置110の計測した経過時間、或いは図示しないセンサーにて計測した処理装置本体1の内圧(大気圧化)、図示しないセンサーにて計測した貯留タンク2の処理水水位(=ゼロ)等に応じてなされる。図10は取り出し工程における水熱処理装置100の駆動の様子を模式的に示す説明図である。この取り出し工程においては、制御装置110は、固定治具8による蓋部7の固定解除制御と、回転スライド機構9の駆動制御によるシャフト10の後退スライドとを行う。この両制御は、同時並行的になされてもよく、順次実行されてもよい。固定治具8の固定解除制御により、外筒3からの蓋部7の取り外しと、脱水管11からの脱水管蓋部11aの取り外しがなされるので、圧縮脱水と遠心脱水を受けた有機性汚泥31の脱水ケーキが脱水管11から取り出される。この有機性汚泥31の脱水ケーキは、焼却処分又は埋め立て処理がされる。また、シャフト10の後退スライドにより、ピストン12は、図に示す原位置に復帰するので、次回の水熱処理に備え、脱水管11へは新たに処理される有機性汚泥31の投入が可能となる。上記した脱水管蓋部11aの取り外し後の脱水ケーキの取り出しの際、制御装置110の制御下で回転スライド機構9によりシャフト10を前進スライドさせ、ピストン12にて脱水ケーキを脱水管11の開口端側に押し出すことができる。こうすれば、脱水ケーキの取り出しが容易となる。そして、この押出のための前進スライドを行った後、後退スライドによりピストン12を原位置に復帰させればよい。なお、制御装置110は、開閉バルブ4a等の各種バルブを全て閉状態に駆動制御し、次回の亜臨界処理工程の開始に備える。 Next, as shown in FIG. 2, an extraction process is performed (step ST8) . Transition from the deaeration process to the extraction process is the elapsed time measured by the control device 110, the internal pressure (atmospheric pressure) of the processing apparatus body 1 measured by a sensor (not shown), or the storage tank 2 measured by a sensor (not shown). It is made according to the treated water level (= zero). FIG. 10 is an explanatory view schematically showing how the hydrothermal treatment apparatus 100 is driven in the extraction step. In this take-out process, the control device 110 performs the fixing release control of the lid portion 7 by the fixing jig 8 and the backward sliding of the shaft 10 by the drive control of the rotary slide mechanism 9. Both of these controls may be performed concurrently or sequentially. Since the removal of the lid 7 from the outer cylinder 3 and the removal of the dehydrating tube lid 11a from the dehydrating tube 11 are performed by the fixing release control of the fixing jig 8, the organic sludge that has undergone compression dehydration and centrifugal dehydration 31 dewatered cakes are taken out from the dewatering tube 11. The dewatered cake of the organic sludge 31 is incinerated or landfilled. Further, since the piston 12 returns to the original position shown in the figure by the backward slide of the shaft 10, the organic sludge 31 to be newly treated can be put into the dehydrating pipe 11 in preparation for the next hydrothermal treatment. . When taking out the dehydrated cake after removing the dehydrating tube lid 11a, the shaft 10 is slid forward by the rotary slide mechanism 9 under the control of the control device 110, and the dehydrated cake is removed from the open end of the dehydrating tube 11 by the piston 12. Can be pushed to the side. This makes it easy to take out the dehydrated cake. Then, after performing the forward slide for the extrusion, the piston 12 may be returned to the original position by the backward slide. The control device 110 drives and controls all the valves such as the opening / closing valve 4a to be in a closed state to prepare for the start of the next subcritical processing step.

上記した本実施形態の水熱処理装置100では、貯留タンク昇圧工程(ステップST3)において、貯留タンク2を加圧して処理装置本体1と等圧化を図ったが、亜臨界処理工程(ステップST1)の際に、貯留タンク2を処理装置本体1と等圧にしてもよい。つまり、亜臨界処理工程(ステップST1)の際に、排液管6の開閉バルブ23を開放し、ドレン管24の開閉バルブ24aと給排気管21の開閉バルブ21aとを閉鎖しておき、水蒸気供給機器群200から処理装置本体1に導入される亜臨界状態の水蒸気の一部を予め貯留タンク2に導入する。その上で、処理装置本体1での水熱処理のための回転スライド機構9の駆動前に、開閉バルブ23を閉鎖する。こうすれば、水蒸気供給機器群200から給排気管21に到る管路を用いなくても、貯留タンク2を処理装置本体1と等圧化できる。 In the hydrothermal treatment apparatus 100 of the present embodiment described above, the storage tank 2 was pressurized in the storage tank pressurization step (step ST3) to equalize the pressure with the processing apparatus body 1, but the subcritical processing step (step ST1). At this time, the storage tank 2 may have the same pressure as the processing apparatus main body 1. That is, during the subcritical processing step (step ST1), the opening / closing valve 23 of the drain pipe 6 is opened, the opening / closing valve 24a of the drain pipe 24 and the opening / closing valve 21a of the supply / exhaust pipe 21 are closed, some of the subcritical state water vapor introduced from the supply equipment group 200 to the processing apparatus main body 1 in advance is introduced into the storage tank 2. In addition, the open / close valve 23 is closed before the rotary slide mechanism 9 for hydrothermal treatment in the processing apparatus main body 1 is driven. By doing so, the storage tank 2 can be made equal in pressure to the processing apparatus main body 1 without using a pipe line from the water vapor supply device group 200 to the supply / exhaust pipe 21.

JP2013199322A 2013-09-26 2013-09-26 Hydrothermal treatment equipment Active JP6197997B2 (en)

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JP2015062875A JP2015062875A (en) 2015-04-09
JP2015062875A5 true JP2015062875A5 (en) 2016-12-01
JP6197997B2 JP6197997B2 (en) 2017-09-20

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TWI690503B (en) * 2018-11-28 2020-04-11 財團法人金屬工業研究發展中心 Manufacturing method of lightweight construction materials using organic sludge waste
JP6836046B1 (en) * 2019-11-20 2021-02-24 清水 幹治 Subcritical or supercritical continuous processing equipment and methods for organic substances

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JP5767047B2 (en) * 2011-07-25 2015-08-19 メタウォーター株式会社 Hydrothermal treatment method and hydrothermal treatment apparatus
JP5767046B2 (en) * 2011-07-25 2015-08-19 メタウォーター株式会社 Hydrothermal treatment method and hydrothermal treatment apparatus
JP4898970B1 (en) * 2011-07-25 2012-03-21 メタウォーター株式会社 Hydrothermal treatment equipment

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