JPS6248524B2 - - Google Patents
Info
- Publication number
- JPS6248524B2 JPS6248524B2 JP58237073A JP23707383A JPS6248524B2 JP S6248524 B2 JPS6248524 B2 JP S6248524B2 JP 58237073 A JP58237073 A JP 58237073A JP 23707383 A JP23707383 A JP 23707383A JP S6248524 B2 JPS6248524 B2 JP S6248524B2
- Authority
- JP
- Japan
- Prior art keywords
- tower
- waste liquid
- spray water
- sludge
- injection pipe
- 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
- 239000002699 waste material Substances 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000010802 sludge Substances 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 21
- 238000005201 scrubbing Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Separation Of Particles Using Liquids (AREA)
- Chimneys And Flues (AREA)
- Gas Separation By Absorption (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は湿式洗煙設備のガス洗浄塔内汚泥排出
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a sludge discharge device in a gas scrubbing tower of a wet smoke scrubbing facility.
従来例の構成とその問題点
たとえば焼却炉から排出された排ガス中のダス
トを除去する装置として湿式洗煙設備がある。こ
れは排ガスをガス洗浄塔内に導入し、その塔内下
部に溜つている廃液を塔内上部のスプレー水噴射
パイプに供給し、そのパイプのスプレーノズルか
ら噴射されるスプレー水によつて排ガスを洗浄す
るものである。この構成では、スプレー水を循環
使用しているため、そのまま放置しておくと、ス
プレー水中のダスト濃度が上がつていき、スプレ
ーノズルが目詰まりしてしまう。したがつて従来
では、ダスト濃度が上限値にたつすると、ガス洗
浄塔の運転を停止し、廃液中の水分を除去し、塔
内下部に溜つている汚泥を手作業などで除去して
いるが、これではガス洗浄塔の稼動率が低いとい
う欠点がある。Configuration of conventional examples and their problems For example, wet smoke cleaning equipment is used as a device to remove dust from exhaust gas discharged from an incinerator. This introduces the exhaust gas into the gas cleaning tower, supplies the waste liquid accumulated in the lower part of the tower to the spray water injection pipe in the upper part of the tower, and cleans the exhaust gas with the spray water injected from the spray nozzle of the pipe. It is something to be cleaned. In this configuration, since the spray water is used in circulation, if left as is, the dust concentration in the spray water will increase and the spray nozzle will become clogged. Therefore, conventionally, when the dust concentration reaches the upper limit, the operation of the gas scrubbing tower is stopped, the water in the waste liquid is removed, and the sludge accumulated at the bottom of the tower is removed manually. However, this has the disadvantage that the operating rate of the gas scrubbing tower is low.
発明の目的
本発明は上記従来の欠点を解消する湿式洗煙設
備のガス洗浄塔内汚泥排出装置を提供することを
目的とする。OBJECTS OF THE INVENTION It is an object of the present invention to provide a sludge discharge device in a gas scrubbing tower of a wet smoke scrubbing facility that eliminates the above-mentioned conventional drawbacks.
発明の構成
上記目的を達成するため、本発明の湿式洗煙設
備のガス洗浄塔内汚泥排出装置は、ガス洗浄塔内
の上部にスプレー水噴射パイプを設け、ガス洗浄
塔内の下部に溜つた廃液をスプレー水噴射パイプ
の基端に供給する循環液ポンプを設け、スプレー
水噴射パイプの先端とガス洗浄塔内の下部とをつ
なぐ循環経路を設け、該循環経路に開閉弁を設
け、ガス洗浄塔内の下部から廃液を汲み出す排液
ポンプを設け、該排液ポンプにより汲み出された
廃液から汚泥を分離回収する液体サイクロンを設
けたものである。Structure of the Invention In order to achieve the above object, the sludge discharging device in the gas scrubbing tower of the wet type smoke scrubbing equipment of the present invention is provided with a spray water injection pipe in the upper part of the gas scrubbing tower to remove water accumulated in the lower part of the gas scrubbing tower. A circulating fluid pump that supplies waste liquid to the base end of the spray water injection pipe is provided, a circulation path is provided that connects the tip of the spray water injection pipe and the lower part of the gas cleaning tower, and an on-off valve is provided in the circulation path to perform gas cleaning. A drainage pump is provided to pump out waste liquid from the lower part of the tower, and a liquid cyclone is provided to separate and recover sludge from the waste liquid pumped out by the drainage pump.
実施例と作用
以下、本発明の一実施例を、図面に基づいて説
明する。１はガス洗浄塔、２は該塔１内の上部に
設けられたスプレー水噴射パイプ、３は塔１の下
部に溜つた廃液４を上記パイプ２の基端に供給す
る循環液ポンプ、５はパイプ２の先端と塔１内の
下部とをつなぐ循環経路、６は該経路５に設けた
ダンパ、７は塔１内の下部から廃液４を汲み出す
排液ポンプ、８は該排液ポンプ７により汲み出さ
れた廃液から汚泥を分離すると共に汚泥分離後の
廃液４を経路９を介して塔１内に戻す液体サイク
ロン、１０は該液体サイクロン８の直下に設けら
れた汚泥回収用バケツトスクリーンであつて、回
収した汚泥から分離した水分は経路１１を介して
塔１内に戻すものである。１２は吸収液噴射パイ
プ、１３は吸収液排出経路、１４は排ガス入口、
１５は排ガス出口である。Embodiment and Operation An embodiment of the present invention will be described below based on the drawings. 1 is a gas cleaning tower, 2 is a spray water injection pipe provided at the upper part of the tower 1, 3 is a circulating fluid pump that supplies waste liquid 4 accumulated at the bottom of the tower 1 to the base end of the pipe 2, and 5 is a A circulation path connecting the tip of the pipe 2 and the lower part of the tower 1, 6 a damper provided in the path 5, 7 a drainage pump that pumps out the waste liquid 4 from the lower part of the tower 1, and 8 a drainage pump 7. A liquid cyclone which separates sludge from the waste liquid pumped out by the liquid cyclone and returns the waste liquid 4 after sludge separation into the tower 1 via a path 9; 10 is a bucket screen for sludge recovery provided directly below the liquid cyclone 8; The water separated from the collected sludge is returned to the tower 1 via a path 11. 12 is an absorption liquid injection pipe, 13 is an absorption liquid discharge path, 14 is an exhaust gas inlet,
15 is an exhaust gas outlet.
以下、上記構成における作用について説明す
る。焼却炉などから排出された排ガスは排ガス入
口１４から塔１内に入り、その塔１内を上昇して
排ガス出口１５から排出される。そして塔１の下
部に溜つている廃液４が循環液ポンプ３に汲み上
げられてスプレー水噴射パイプ２のノズルからス
プレー水となつて塔１内を上昇する排ガスに噴射
され、その排ガスに含まれるダストが洗浄除去さ
れる。一方、塔１内における排ガスの洗浄をつづ
けていくと、廃液４中に含まれるダストが増加
し、そのまま放置すると、スプレーノズルが目詰
まりする。そこで廃液４のダスト濃度が所定の上
限値にたつすると、まずダンパ６を開ける。これ
によつて循環液ポンプ３によつてパイプ２内に供
給された廃液４が循環経路５を介して塔１内の下
部に戻され、これによつてそのパイプ２内に堆積
しつつあるダストが流し出され、循環経路５を介
して塔１内の下部に排出される。したがつてスプ
レーノズルの目詰まりが解消される。次にまたは
循環液ポンプ３の作動と同時に排液ポンプ７が作
動させられ、塔１の下部の廃液４が汲み出されて
液体サイクロン８内に供給される。このサイクロ
ンでは、比重の大きい汚泥が分離されてバケツト
スクリーン１０内に回収され、該バケツトスクリ
ーン１０で汚泥から分離された水分は経路１１を
介して塔１の下部に戻される。またサイクロン８
で汚泥が分離された廃液４は経路９を介して塔１
の下部に戻される。 Hereinafter, the effects of the above configuration will be explained. Exhaust gas discharged from an incinerator or the like enters the tower 1 through the exhaust gas inlet 14, rises within the tower 1, and is discharged through the exhaust gas outlet 15. Then, the waste liquid 4 accumulated at the bottom of the tower 1 is pumped up by the circulating fluid pump 3 and turned into spray water from the nozzle of the spray water injection pipe 2 and injected into the flue gas rising inside the tower 1, and the dust contained in the flue gas is removed. is washed away. On the other hand, if cleaning of the exhaust gas in the tower 1 is continued, the amount of dust contained in the waste liquid 4 will increase, and if left as it is, the spray nozzle will become clogged. Therefore, when the dust concentration of the waste liquid 4 reaches a predetermined upper limit value, the damper 6 is first opened. As a result, the waste liquid 4 supplied into the pipe 2 by the circulating liquid pump 3 is returned to the lower part of the tower 1 via the circulation path 5, thereby removing the dust that is accumulating in the pipe 2. is flushed out and discharged to the lower part of the column 1 via the circulation path 5. Therefore, clogging of the spray nozzle is eliminated. Next, or simultaneously with the operation of the circulating liquid pump 3, the drain pump 7 is operated, and the waste liquid 4 from the lower part of the column 1 is pumped out and supplied into the hydrocyclone 8. In this cyclone, sludge with a large specific gravity is separated and collected in a bucket screen 10, and the water separated from the sludge in the bucket screen 10 is returned to the lower part of the column 1 via a path 11. Also cyclone 8
The waste liquid 4 from which the sludge has been separated is sent to the column 1 via route 9.
will be returned to the bottom of the page.
発明の効果
以上述べたごとく本発明によれば、開閉弁を開
放することによりスプレー水噴射パイプ内に堆積
しようとするダストが流し出されて塔内下部に排
出される。したがつてスプレーノズルの目詰まり
が解消させられる。また排液ポンプにより汲み出
した廃液から液体サイクロンで汚泥を分離し、そ
の汚泥分離後の廃液を塔内下部に戻すものである
から、塔内下部に溜つている廃液のダスト濃度を
常に所定値以下に保持することができるものであ
る。またかかるスプレーノズルの目詰まり解消お
よび汚泥の分離回収を洗浄塔の運転を停止させる
ことなくおこなうことができ、稼動率の高いもの
である。Effects of the Invention As described above, according to the present invention, by opening the on-off valve, the dust that tends to accumulate in the spray water injection pipe is flushed out and discharged to the lower part of the tower. Therefore, clogging of the spray nozzle is eliminated. In addition, the sludge is separated from the waste liquid pumped out by the drainage pump using a liquid cyclone, and the waste liquid after sludge separation is returned to the lower part of the tower, so the dust concentration of the waste liquid accumulated in the lower part of the tower is always kept below a predetermined value. It is something that can be maintained. In addition, it is possible to eliminate clogging of the spray nozzle and separate and recover the sludge without stopping the operation of the washing tower, resulting in a high operating rate.
図は本発明の一実施例を示す概略説明図であ
る。
１……ガス洗浄塔、２……スプレー水噴射パイ
プ、３……循環液ポンプ、４……廃液、５……循
環経路、６……ダンパ（開閉弁）、７……排液ポ
ンプ、８……液体サイクロン、１０……バケツト
スクリーン。
The figure is a schematic explanatory diagram showing one embodiment of the present invention. 1... Gas cleaning tower, 2... Spray water injection pipe, 3... Circulating liquid pump, 4... Waste liquid, 5... Circulating route, 6... Damper (on/off valve), 7... Drainage pump, 8 ...Liquid cyclone, 10...bucket screen.
Claims (1)
を設け、ガス洗浄塔内の下部に溜つた廃液をスプ
レー水噴射パイプの基端に供給する循環液ポンプ
を設け、スプレー水噴射パイプの先端とガス洗浄
塔内の下部とをつなぐ循環経路を設け、該循環経
路に開閉弁を設け、ガス洗浄塔内の下部から廃液
を汲み出す排液ポンプを設け、該排液ポンプによ
り汲み出された廃液から汚泥を分離回収する液体
サイクロンを設けたことを特徴とする湿式洗煙設
備のガス洗浄塔内汚泥排出装置。1. A spray water injection pipe is installed in the upper part of the gas cleaning tower, and a circulating fluid pump is installed to supply the waste liquid accumulated in the lower part of the gas cleaning tower to the base end of the spray water injection pipe, and the tip of the spray water injection pipe and the gas A circulation path connecting the lower part of the gas cleaning tower is provided, an on-off valve is provided in the circulation path, and a drainage pump is provided to pump out the waste liquid from the lower part of the gas cleaning tower, and the waste liquid pumped out by the drainage pump is A sludge discharge device in a gas cleaning tower of wet smoke cleaning equipment, characterized by being equipped with a liquid cyclone for separating and collecting sludge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58237073A JPS60129118A (en) | 1983-12-14 | 1983-12-14 | Sludge discharging device in gas scrubber for wet smoke washing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58237073A JPS60129118A (en) | 1983-12-14 | 1983-12-14 | Sludge discharging device in gas scrubber for wet smoke washing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60129118A JPS60129118A (en) | 1985-07-10 |
| JPS6248524B2 true JPS6248524B2 (en) | 1987-10-14 |
Family
ID=17010011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58237073A Granted JPS60129118A (en) | 1983-12-14 | 1983-12-14 | Sludge discharging device in gas scrubber for wet smoke washing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60129118A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ284838B6 (en) * | 1992-03-18 | 1999-03-17 | ABB Fläkt AB | Process and apparatus for purification of contaminated gas and/or or for cooling hot gas |
| DE10323774A1 (en) * | 2003-05-26 | 2004-12-16 | Khd Humboldt Wedag Ag | Process and plant for the thermal drying of a wet ground cement raw meal |
| CN107875794A (en) * | 2017-12-15 | 2018-04-06 | 南京宜热纵联节能科技溧阳有限公司 | Industrial tail gas flue dust and formaldehyde comprehensive treatment system and technique |
-
1983
- 1983-12-14 JP JP58237073A patent/JPS60129118A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60129118A (en) | 1985-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |