JPH0324242B2 - - Google Patents
Info
- Publication number
- JPH0324242B2 JPH0324242B2 JP20689183A JP20689183A JPH0324242B2 JP H0324242 B2 JPH0324242 B2 JP H0324242B2 JP 20689183 A JP20689183 A JP 20689183A JP 20689183 A JP20689183 A JP 20689183A JP H0324242 B2 JPH0324242 B2 JP H0324242B2
- Authority
- JP
- Japan
- Prior art keywords
- supply port
- cylindrical container
- vertically long
- long cylindrical
- stirring
- 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
- 239000007788 liquid Substances 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 24
- 230000005484 gravity Effects 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000003245 coal Substances 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
Landscapes
- Extraction Or Liquid Replacement (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Description
【発明の詳細な説明】
本発明は、固液分離装置に関し、特に固型分の
蓄積や、配管の固型分による閉塞トラブルを防止
した上記装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a solid-liquid separator, and more particularly to the above-mentioned device that prevents accumulation of solids and troubles caused by clogging of piping due to solids.
石炭液化生成物からの灰分、未反応炭の除去
や、重質油残渣からの重金属成分除去を行う方法
として、プロパン、ペンタン、ベンゼン、トルエ
ン等の比較的沸点の低い溶剤を溶解溶剤として用
い、この溶剤に溶解しない比較的高分子の成分を
析出させ、その凝集作用により灰分、未反応炭や
重金属成分を除去する方法は公知のものである。 As a method for removing ash and unreacted coal from coal liquefaction products and removing heavy metal components from heavy oil residue, a solvent with a relatively low boiling point such as propane, pentane, benzene, toluene, etc. is used as a dissolving solvent. A method of precipitating relatively high-molecular components that do not dissolve in the solvent and removing ash, unreacted carbon, and heavy metal components by the agglomeration effect is known.
これらの方法を実施する装置としては、ミキサ
ーセトラー形式が一般的である。即ち、石炭液化
生成物等の処理物とベンゼン等の溶解溶剤をミキ
サーで混合し、その処理液をセトラー（重力沈降
槽）で上澄と残渣に分離するものである。 A mixer-settler type device is generally used to carry out these methods. That is, a treated product such as a coal liquefaction product and a dissolving solvent such as benzene are mixed in a mixer, and the treated liquid is separated into a supernatant and a residue in a settler (gravity settling tank).
これらの装置では、処理物と溶解溶剤が混合さ
れたときに析出する溶剤不溶成分と灰分、未反応
炭又は重金属との凝集生成物（残渣）が多量に生
成する条件下では、撹拌槽から沈降分離槽へこれ
らの処理液を輸送するのが困難で、撹拌槽内部で
の残渣の蓄積や輸送パイプラインの閉塞が生じ、
安定した運転ができなかつた。 In these devices, under conditions where a large amount of agglomerated products (residues) of solvent-insoluble components, ash, unreacted carbon, or heavy metals that precipitate when the processed material and the dissolving solvent are mixed, the agglomeration products (residues) will not settle from the stirring tank. It is difficult to transport these treated liquids to the separation tank, resulting in residue accumulation inside the stirring tank and blockage of the transport pipeline.
I was unable to drive stably.
本発明は、石炭液化生成物からの灰分、未反応
炭の除去や、重質油残渣からの重金属除去におい
て、溶剤を添加して、特定成分を選択的に析出さ
せ、その凝集作用によりこれらを除去する装置を
提案すべくなされたもので、装置内での固型分の
蓄積や配管での固型分の閉塞を防止して、安定し
た連続運転を行うことのできる装置を提案するも
のである。 In the present invention, when removing ash and unreacted coal from coal liquefaction products and removing heavy metals from heavy oil residue, the present invention adds a solvent to selectively precipitate specific components, and uses its coagulation action to remove these components. The purpose of this project was to propose a device that can perform stable continuous operation by preventing the accumulation of solid matter within the device and the clogging of solid matter in piping. be.
すなわち本発明は、側部に処理物供給口、溶解
溶剤供給口を有し、上部に駆動装置にて回転する
撹拌軸及びその軸封部を有し、下部に処理液抜出
口を有し、その内部に撹拌軸に固定された撹拌翼
を有する縦長円筒容器からなる撹拌槽と、
上部に処理液供給口、上澄液抜出口を有し、下
部に残渣抜出口を有する縦長円筒容器からなり、
内部に該処理液供給口と接続し、下端が開放した
中空パイプを有し、該下端の位置が該縦長円筒容
器の上部から少なくとも該縦長円筒容器全長の1/
３より下方にある重力沈降槽とからなり、
前記撹拌槽処理液抜出口と前記重力沈降槽処理
液供給口を直管中空パイプにて接続したことを特
徴とする固液分離装置に関するものである。 That is, the present invention has a processing material supply port and a dissolving solvent supply port on the side, a stirring shaft rotated by a drive device and its shaft seal on the top, and a processing liquid extraction port on the bottom. The stirring tank consists of a vertically long cylindrical container that has a stirring blade fixed to a stirring shaft inside, and a vertically long cylindrical container that has a processing liquid supply port and a supernatant liquid outlet in the upper part, and a residue outlet in the lower part. ,
It has a hollow pipe connected to the processing liquid supply port and open at the lower end, and the lower end is located at least 1/1/2 of the total length of the vertically long cylindrical container from the top of the vertically long cylindrical container.
3, and a gravity settling tank located below No. 3, and the solid-liquid separator is characterized in that the agitating tank treated liquid outlet and the gravity settling tank treated liquid supply port are connected by a straight hollow pipe. .
本発明装置は、撹拌槽内部の処理液抜出し口を
下部に設け、該抜出し口を、重力沈降分離槽上部
よりその内部まで直管にて鉛直に導くことによ
り、撹拌槽下部の固型分の蓄積防止、撹拌槽〜重
力沈降槽間の配管内の固型分閉塞防止ができるも
のである。 The device of the present invention has a treated liquid outlet inside the stirring tank at the lower part, and by leading the outlet vertically from the upper part of the gravity sedimentation separation tank to the inside thereof with a straight pipe, the solids in the lower part of the stirring tank can be removed. It is possible to prevent accumulation and solid content clogging in the piping between the stirring tank and the gravity settling tank.
本発明装置の一実施態様例を第１図に従つて説
明する。 An embodiment of the apparatus of the present invention will be described with reference to FIG.
本発明装置は、図示するように撹拌槽100と重
力沈降槽200とからなる。 The apparatus of the present invention consists of a stirring tank 100 and a gravity settling tank 200 , as shown in the figure.
撹拌槽100は、側部に処理物供給口１、溶解溶
剤供給口２を有し、上部に駆動装置５にて回転す
る撹拌軸６及びその軸封部７を有し、下部に処理
液抜出口４を有し、その内部に撹拌軸６に固定さ
れた撹拌翼８を有する縦長円筒容器３からなる。 The stirring tank 100 has a processing material supply port 1 and a dissolving solvent supply port 2 on the side, a stirring shaft 6 rotated by a drive device 5 and its shaft seal 7 on the top, and a processing liquid drain on the bottom. It consists of a vertically long cylindrical container 3 having an outlet 4 and a stirring blade 8 fixed to a stirring shaft 6 inside the container.
重力沈降槽200は、上部に処理液供給口１３、
上澄液抜出口１１を有し、下部に残渣抜出口１０
を有する縦長円筒容器９からなり、内部に上記処
理液供給口４と接続し、下端が開放した中空パイ
プ１２を有し、該下端の位置が該縦長円筒容器９
の上部から少なくとも該縦長円筒容器９の全長の
１／３より下方にある。 The gravity settling tank 200 has a processing liquid supply port 13 at the top,
It has a supernatant liquid outlet 11 and a residue outlet 10 at the bottom.
It consists of a vertically long cylindrical container 9 having a hollow pipe 12 connected to the processing liquid supply port 4 and having an open lower end.
The container 9 is located at least ⅓ of the total length of the vertically long cylindrical container 9 from the top thereof.
上記撹拌槽処理液抜出口４と上記重力沈降槽処
理液供給口１３とは直管中空パイプ１４にて接続
されている。 The stirring tank treated liquid extraction port 4 and the gravity settling tank treated liquid supply port 13 are connected by a straight hollow pipe 14 .
このような本発明装置が、溶剤を用いる固液分
離において、固型分の蓄積や固型分による閉塞に
対して著しい効果をもたらすことを以下に説明す
る。 It will be explained below that the apparatus of the present invention has a remarkable effect on solid content accumulation and blockage due to solid content in solid-liquid separation using a solvent.
処理物として石炭液化生成物、溶解溶剤として
トルエンを用いた場合を例にして説明する。 An example will be explained in which a coal liquefaction product is used as the treated material and toluene is used as the dissolution solvent.
石炭液化生成物は前もつて、蒸留により沸点約
400〜500℃以下の油分を回収しておくのが好まし
く、処理物としての性状は、
オイル分＝ヘキサン可溶分
アスフアルテン＝ヘキサン不溶分〜ベンゼン可溶
分
プレアスフアルテン＝ベンゼン不溶分〜THF可
溶分
未反応炭＝THF不溶分
灰 分
である。 The coal liquefaction product was previously distilled to a boiling point of approximately
It is preferable to collect the oil content below 400-500℃, and the properties of the treated product are as follows: Oil content = Hexane soluble content Asphaltene = Hexane insoluble content - Benzene soluble content Pre-Asphaltene = Benzene insoluble content - THF possible Soluble unreacted charcoal = THF insoluble ash content.
この処理物／重量部を第１図の処理物供給口１
より、又溶解溶剤としてトルエン２重量部を溶解
溶剤供給口２より撹拌槽３へ供給する。この撹拌
槽の操作条件は、一般的には
温 度：200〜350℃
圧 力：20〜80Kg／cm2・Ｇ
滞留時間：１〜30分
の範囲で十分である。 This processed material/part by weight is transferred to the processed material supply port 1 in Fig. 1.
Then, 2 parts by weight of toluene as a dissolving solvent is supplied to the stirring tank 3 from the dissolving solvent supply port 2. The operating conditions for this stirring tank are generally in the range of temperature: 200 to 350°C, pressure: 20 to 80 kg/cm 2 ·G, and residence time: 1 to 30 minutes.
これらの条件下において、処理物中のプレアス
フアルテンの大半、アスフアルテンの１部がトル
エンに溶けずに析出し、未反応炭、灰分とともに
凝集し、粒子径が数10μ〜数100μに増大し沈降し
やすくなり、クリーンな上澄とこれらの粒子から
なる残渣の２相に分離しやすい状態にある。 Under these conditions, most of the preasphaltenes and a part of the asphaltenes in the treated material do not dissolve in toluene and precipitate, coagulate together with unreacted charcoal and ash, increase in particle size from several tens of microns to several hundred microns, and settle. It is in a state where it is easy to separate into two phases: a clean supernatant and a residue consisting of these particles.
これらの２相混合物は、撹拌槽内に蓄積させる
ことなく、沈降分離槽へ導入し、重力沈降分離を
行う必要がある。 These two-phase mixtures must be introduced into a sedimentation tank and subjected to gravity sedimentation without being accumulated in the stirring tank.
本発明では、第１図に示したように処理液抜出
口４を撹拌槽の下部に設け直管１４にて重力沈降
分離槽へ鉛直に導入し、中空パイプ１２にて重力
沈降分離槽内部へさらに鉛直に導入することによ
り、撹拌槽内での蓄積とパイプ内での閉塞が防止
できることが確認された。 In the present invention, as shown in FIG. 1, a treated liquid extraction port 4 is provided at the bottom of the stirring tank, and the treated liquid is introduced vertically into the gravity sedimentation separation tank through a straight pipe 14, and into the gravity sedimentation separation tank through a hollow pipe 12. Furthermore, it was confirmed that by introducing it vertically, it was possible to prevent accumulation in the stirring tank and blockage in the pipe.
なお、該中空パイプ１２の内径は、粒子径より
十分に大きく、少なくとも8φ以上で、処理液の
平均流速が約0.1ｍ／sec以上となるものが好まし
い。 The inner diameter of the hollow pipe 12 is preferably at least 8 φ, which is sufficiently larger than the particle diameter, and the average flow velocity of the processing liquid is about 0.1 m/sec or more.
また、中空パイプ１２と重力沈降分離槽９との
幾何学的形状は
D1／D2＝1/50〜1/5
L1／L2＝1/3〜0.95
の範囲が好ましい。 Moreover, the geometric shapes of the hollow pipe 12 and the gravity sedimentation separation tank 9 are preferably in the range of D 1 /D 2 =1/50 to 1/5 and L 1 /L 2 = 1/3 to 0.95.
D1が大きすぎると、分離槽内上部の上昇流速
が大きくなり好ましくない。又、L1が短かすぎ
ると、粒子が上澄液抜出口１１へ混入しやすくな
り好ましくない。 If D 1 is too large, the upward flow velocity in the upper part of the separation tank will increase, which is not preferable. Furthermore, if L 1 is too short, particles tend to get mixed into the supernatant liquid extraction port 11, which is not preferable.
これらの装置条件下にて重力沈降分離槽９へ導
入された処理液は、上澄液と残渣とに分離され、
上澄液抜出口１１より実質的に灰分、未反応炭が
含まれないクリーンな液が抜き出され、しかも閉
塞トラブルもなく、安定した操作ができることが
確認された。 The treated liquid introduced into the gravity sedimentation separation tank 9 under these device conditions is separated into a supernatant liquid and a residue,
It was confirmed that a clean liquid containing substantially no ash and unreacted carbon was extracted from the supernatant liquid extraction port 11, and that stable operation was possible without any clogging troubles.
第１図は本発明装置の一実施態様例を示す図で
ある。
FIG. 1 is a diagram showing an embodiment of the apparatus of the present invention.
Claims (1)
し、上部に駆動装置にて回転する撹拌軸及びその
軸封部を有し、下部に処理液抜出口を有し、その
内部に撹拌軸に固定された撹拌翼を有する縦長円
筒容器からなる撹拌槽と、 上部に処理液供給口、上澄液抜出口を有し、下
部に残渣抜出口を有する縦長円筒容器からなり、
内部に該処理液供給口と接続し、下端が開放した
中空パイプを有し、該下端の位置が該縦長円筒容
器の上部から少なくとも該縦長円筒容器全長の1/
３より下方にある重力沈降槽とからなり、 前記撹拌槽処理液抜出口と前記重力沈降槽処理
液供給口を直管中空パイプにて接続したことる特
徴とする固液分離装置。[Claims] 1. Has a processing material supply port and a dissolving solvent supply port on the side, has a stirring shaft rotated by a drive device and its shaft seal on the top, and has a processing liquid extraction port on the bottom. a stirring tank consisting of a vertically long cylindrical container with stirring blades fixed to a stirring shaft inside; a vertically long cylindrical container having a processing liquid supply port and a supernatant liquid withdrawal port at the top and a residue withdrawal port at the bottom; Consisting of
It has a hollow pipe connected to the processing liquid supply port and open at the lower end, and the lower end is located at least 1/1/2 of the total length of the vertically long cylindrical container from the top of the vertically long cylindrical container.
3. A solid-liquid separator comprising: a gravity settling tank located below No. 3; and a solid-liquid separator characterized in that the agitating tank treated liquid outlet and the gravity settling tank treated liquid supply port are connected by a straight hollow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20689183A JPS6099304A (en) | 1983-11-05 | 1983-11-05 | Solid/liquid separation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20689183A JPS6099304A (en) | 1983-11-05 | 1983-11-05 | Solid/liquid separation apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6099304A JPS6099304A (en) | 1985-06-03 |
| JPH0324242B2 true JPH0324242B2 (en) | 1991-04-02 |
Family
ID=16530760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20689183A Granted JPS6099304A (en) | 1983-11-05 | 1983-11-05 | Solid/liquid separation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6099304A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994028315A1 (en) * | 1993-06-02 | 1994-12-08 | Kabushiki-Kaisha Yaskawa Denki | Hydraulic source and hydraulic machine |
-
1983
- 1983-11-05 JP JP20689183A patent/JPS6099304A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6099304A (en) | 1985-06-03 |
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