JPS61149233A - Equipment for storing and supplying magnesium hydroxide - Google Patents
Equipment for storing and supplying magnesium hydroxideInfo
- Publication number
- JPS61149233A JPS61149233A JP59271981A JP27198184A JPS61149233A JP S61149233 A JPS61149233 A JP S61149233A JP 59271981 A JP59271981 A JP 59271981A JP 27198184 A JP27198184 A JP 27198184A JP S61149233 A JPS61149233 A JP S61149233A
- Authority
- JP
- Japan
- Prior art keywords
- line
- dilution
- supplied
- magnesium hydroxide
- equipment
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/51—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is circulated through a set of tubes, e.g. with gradual introduction of a component into the circulating flow
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、湿式排煙脱硫装置、排水処理装置などに使用
する水酸化マグネシウムスラリーの貯留、供給設備の改
良に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to improvements in storage and supply equipment for magnesium hydroxide slurry used in wet flue gas desulfurization equipment, wastewater treatment equipment, and the like.
（従来の技術〕
湿式排煙脱硫装置（以下脱硫装置）で、イオウ酸化物の
吸収、排水処理装置で排水中和などを行う場合、アルカ
リ剤として、水酸化マグネシウム〔以下Ｍｇ（ＯＨ）２
３ ｋ使用することが多い。(Prior art) When absorbing sulfur oxides in a wet flue gas desulfurization equipment (hereinafter referred to as a desulfurization equipment) and neutralizing wastewater in a wastewater treatment equipment, magnesium hydroxide [hereinafter referred to as Mg(OH)2] is used as an alkaline agent.
3k is often used.
一般にＭｇ（ＯＨ）２は約５０重量％の水スラリーとし
て市販されており、使用時に５〜１０重量％まで水で稀
釈している。Generally, Mg(OH)2 is commercially available as an approximately 50% by weight water slurry and is diluted with water to 5-10% by weight at the time of use.
使用時に稀釈する理由は次の通りである。The reason for diluting it before use is as follows.
（１）通常、Ｍｇ（ＯＨ）２を脱硫装置、排水処理装置
なとへ供給する場合の供給量の調節は、対象装置側の流
体（吸収液、排水など）の水素イオン濃度（以下ｐＨ）
Ｑ検出して行う。その時Ｍｇ（ＯＨ）２の濃度が高いと
…に応じた供給量の調節が醜しい。(1) Normally, when supplying Mg(OH)2 to desulfurization equipment, wastewater treatment equipment, etc., the supply amount is adjusted by adjusting the hydrogen ion concentration (hereinafter referred to as pH) of the fluid (absorbing liquid, wastewater, etc.) on the target equipment side.
Perform Q detection. At that time, if the concentration of Mg(OH)2 is high, it is difficult to adjust the supply amount accordingly.
（２） 所定の供給量で濃度が高い程、配管の口径が
小さくなり閉塞の恐れがある。(2) The higher the concentration at a given supply rate, the smaller the diameter of the piping and the risk of blockage.
従来のこの種フローを第２図にもとづき説明する。A conventional flow of this type will be explained based on FIG.
ｌａｌ ライン２１で５０％Ｍｇ（ＯＨ）２にタンク
ローリより受入れる。受入れた３０％Ｍｇ（ＯＨ）２′
（ｉｌ−Ｍｇ（ＯＨ）２貯槽２２に貯留する。貯留中に
Ｍｇ（ＯＨ）２が沈降しないように攪拌機２５で攪拌す
る。lal Line 21 receives 50% Mg(OH)2 from a tank truck. Accepted 30% Mg(OH)2'
(il-Mg(OH)2 is stored in the storage tank 22. Stir with the stirrer 25 so that Mg(OH)2 does not settle during storage.
（ｂ）５ Ｓ１０％Ｍｇ（Ｏ）り、２を調整、供給する
ため０Ｍｇ（ＯＨ）２供給槽２６ ヘＭｇ（ＯＨ）’２
ポンプ２４で５０％Ｍｇ（ＯＨ）２に供給する。その供
給はＭｇ（ＯＨ）２供給槽２６のレベルが低くなるとＭ
ｇ（ＯＨ）２弁２５を開りて行ない、この時ライン３４
からの工業用水を調節する工業用水供給弁３５ｔ一連動
させて５０％Ｍｇ（ＯＨ） ’に５〜１０％Ｍｇ（Ｏ
Ｈ）２に稀釈するための工業用水を供給する。(b) 0Mg(OH)2 supply tank 26 to adjust and supply 5S10%Mg(O) and 2 to Mg(OH)'2
Pump 24 supplies 50% Mg(OH)2. The supply becomes Mg(OH)2 when the level in the Mg(OH)2 supply tank 26 becomes low.
g(OH)2 valve 25 is opened, and at this time line 34
The industrial water supply valve 35t is operated in series to adjust the industrial water from 50% Mg(OH)' to 5~10% Mg(O
H) Supply industrial water for dilution to 2.
（ｃｌ Ｍ、ｇ ｔ ＯＨ）２供給槽２６内は攪拌機
２７で常時攪拌され、また、レベル調節計２８でレベル
一定になるようにＭｇ（ＯＨ）２と工業用水が供給され
、５〜１０％Ｍｇ（ＯＨ）２が何時でも使用可能な状態
となっている。The inside of the (cl M, g t OH)2 supply tank 26 is constantly stirred by a stirrer 27, and Mg(OH)2 and industrial water are supplied so that the level is constant by a level controller 28. Mg(OH)2 is available for use at any time.
（ｄｌ 対象装置流体ライン３３とＭｇ（ＯＨ）２供
給槽２６の間にＭｇ（ＯＨ）２供給ホンプ２９とＭｇ（
ＯＨ）２供給弁５２を設け、対象流体の耐信号３ｏに鴨
とづき…指示調節計５１で５〜１０％Ｍｇ（ＯＨ）２を
供給する。(dl Mg(OH)2 supply pump 29 and Mg(OH)2 between the target device fluid line 33 and Mg(OH)2 supply tank 26
An OH)2 supply valve 52 is provided, and an indicating controller 51 supplies 5 to 10% Mg(OH)2 based on the resistance signal 3o of the target fluid.
（θ］ ライン５６は、Ｍｇ（ＯＨ）２弁２５が全閉の
時でもＭｇ（ＯＨ）２ポンプ２４を運転するため少量゛
−ヲリターンするためのものである。(θ) The line 56 is for returning a small amount of water in order to operate the Mg(OH)2 pump 24 even when the Mg(OH)2 valve 25 is fully closed.
（０同様にライン３７もＭｇ（ＯＨ）２供給弁３２が全
閉の時でもＭｇ（ＯＨ）２供給ポンプ２９を運転するた
め、少ｉ１′全リターンするためのものである。(Similarly to line 37, the Mg(OH)2 supply pump 29 is operated even when the Mg(OH)2 supply valve 32 is fully closed, so the line 37 is for a small amount of i1' to be fully returned.
（発明が解決しようとする問題点）
上記の従来の設備のフローには、
（１）稀釈のために機器の数が多く、複雑なシステムと
なる。(Problems to be Solved by the Invention) The flow of the conventional equipment described above includes: (1) A large number of devices are required for dilution, resulting in a complicated system.
（２） 稀釈のためにポンプ、攪拌器各１台分のエネ
ルギ（電力〕を消費する。(2) Energy (power) for one pump and one stirrer is consumed for dilution.
という欠点がある。There is a drawback.
本発明はこのような欠点を解消した水酸化マグネシウム
スラリーの貯留・供給設備を提供しようとするものであ
る。The present invention aims to provide a magnesium hydroxide slurry storage and supply facility that eliminates these drawbacks.
（問題点を解決するための手段〕
すなわち、本発明は湿式排煙脱硫装置、排水処理装置な
どで、アルカリ剤として約３０％の水酸化マグネシウム
スラリーを使用する場合に、湿式排煙脱硫装置、排水処
理装置などの対象装 ”置と、水酸化マグネシウムスラ
リー貯槽との間に、ポンプ及び配管で構成するスラリー
循環ラインを設け、この循環ライン中に稀釈用の工業用
水を供給するようにしたことを特命とする水酸化マグネ
シウムの貯留、供給設備である。(Means for Solving the Problems) That is, the present invention is applicable to wet flue gas desulfurization equipment, wastewater treatment equipment, etc., when using approximately 30% magnesium hydroxide slurry as an alkaline agent. A slurry circulation line consisting of a pump and piping was installed between the target equipment such as wastewater treatment equipment and the magnesium hydroxide slurry storage tank, and industrial water for dilution was supplied into this circulation line. This is a magnesium hydroxide storage and supply facility with a special mission.
本発明は湿式排煙脱硫装置、排水処理装置、その池水−
化マグネシウムスラリー全使用する装置に有利に適用す
ることができる。The present invention relates to a wet flue gas desulfurization device, a wastewater treatment device, and its pond water.
It can be advantageously applied to equipment that uses magnesium chloride slurry.
以下、本発明設備の一実施態様のフローを第１図に従っ
て詳述する。Hereinafter, the flow of one embodiment of the equipment of the present invention will be explained in detail with reference to FIG.
（構成）
（ａ＋ ライン１で３０％Ｍｇ（ＯＨ３２にタンクロ
ーリより受入れる。受入れた３０％Ｍｇ（ＯＨ）、をＭ
ｇ（ＯＨ）２貯槽２に貯留する。貯留中にＭｇ（ＯＨ）
２が沈降しないように攪拌機３で攪拌する。(Configuration) (a+ Line 1 receives 30% Mg (OH) from a tank truck. The received 30% Mg (OH) is
g(OH)2 is stored in storage tank 2. Mg(OH) during storage
Stir with stirrer 3 to prevent 2 from settling.
（ｂｌ Ｍｇ（ＯＨ）２ポンプ５→ライン６→ライン
７→ラインＢ→ライン９→Ｍｇ（ＯＨ）２ポンプ５のＭ
ｇ（Ｏｆ（）２スラリー循環ラインを設ける。(bl Mg(OH)2 pump 5 → line 6 → line 7 → line B → line 9 → Mg(OH)2 pump 5
g(Of()2 slurry circulation line is provided.
（ｃｌ その循環ラインのライン９とＭｇ（ＯＨ）２
貯槽２をライン４で結ぶ。(cl Line 9 of the circulation line and Mg(OH)2
Connect storage tank 2 with line 4.
（ｄｌ 循環ラインのライン８と工業用水ライン１０
會工業用水供給弁１１ｔｌ−増付けたライン１２で結ぶ
。(dl Circulation line line 8 and industrial water line 10
Industrial water supply valve 11 tl - connected with added line 12.
（θ）循環ラインのライン７と対象装置流体ラインｔ
Ｍｇ（ＯＨ）２供給弁３を取付けたライン１４で結ぶ。(θ) Circulation line line 7 and target device fluid line t
Connected by line 14 to which Mg(OH)2 supply valve 3 is attached.
（ｎ 工業用水供給弁１１及びＭｇ（ＯＨ）２供給弁
１１は、対象装置流体のｐＨ信号１５にもとづき…指示
調節計１６で変換された信号で作動する。(n) The industrial water supply valve 11 and the Mg(OH)2 supply valve 11 operate based on the pH signal 15 of the fluid of the target device...a signal converted by the indicator controller 16.
（作用）
イ）５へ１０％に稀釈されたＭｇ（ＯＨ）２循環ライン
のライン７より対象装置流体へＭｇ（ＯＨ）２必、畳量
が供給される。(Function) A) An amount of Mg(OH)2 diluted to 5 to 10% is supplied from line 7 of the circulation line to the fluid of the target device.
口）その供給されたＭｇ（０１（）２の量を５０％から
５〜１０％まで稀釈するのに心機な工業用水がライン８
へ供給される。The industrial water that is essential for diluting the supplied amount of Mg (01()2) from 50% to 5-10% is in line 8.
supplied to
ハ）ライン９へ３０％Ｍｇ（ＯＲ）２がライン４を通し
て供給される。c) 30% Mg(OR)2 is supplied to line 9 through line 4.
二）イ）〜ハ）の動作が順次行われて循環ラインで稀釈
が行える。2) Operations a) to c) are performed sequentially to perform dilution in the circulation line.
（効果）
上記のような構成及びその作用により稀釈のための機器
の数が少くなり、少くとも稀釈のためのポンプ、攪拌器
各１台分のエネルギーが節約できる。(Effects) Due to the above-described configuration and its operation, the number of devices for dilution is reduced, and the energy required for at least one dilution pump and one stirrer can be saved.
上記においては、ライン８へ工業用水を供給する例につ
いて説明したが、ライン６又はライン４へ工業用水を供
給してもよいことは当然である。In the above, an example in which industrial water is supplied to line 8 has been described, but it goes without saying that industrial water may also be supplied to line 6 or line 4.
又、５０％Ｍｇ（ＯＨ）２を５〜１０％Ｍｇ（ＯＨ）２
まで稀釈することに関して説明したが、５０％以下任意
濃度に稀釈することが可能である。In addition, 50% Mg(OH)2 and 5-10% Mg(OH)2
Although the explanation has been made regarding dilution to a concentration of 50% or less, it is possible to dilute to an arbitrary concentration of 50% or less.
更に又、工業用水供給弁１１がＭｇ（ＯＨ）２供給弁１
５と連動することを説明したが、稀釈後のＭｇ（ＯＨ）
２濃度が多少変動しても良ければ、工業用水供給弁１１
を手動として稀釈に必要な平均水量を常時供給しても良
い。Furthermore, the industrial water supply valve 11 is the Mg(OH)2 supply valve 1.
Although I explained that it works in conjunction with 5, Mg(OH) after dilution
2. If it is okay for the concentration to fluctuate to some extent, the industrial water supply valve 11
The average amount of water required for dilution may be supplied manually.
第１図は本発明の一実施態様のフローを示し、第２図は
従来の水酸化マグネシウムスラＩＪ−１７）貯留・供給
設備のフローを示す。FIG. 1 shows the flow of one embodiment of the present invention, and FIG. 2 shows the flow of a conventional magnesium hydroxide slun IJ-17) storage and supply facility.
復代理人 内 １） 明 復代理人 萩 原 亮 −Sub-agent: 1) Akira Sub-agent Ryo Hagi Hara -
Claims (1)
て約３０％の水酸化マグネシウムスラリーを使用する場
合に、湿式排煙脱硫装置、排水処理装置などの対象装置
と、水酸化マグネシウムスラリー貯槽との間に、ポンプ
及び配管で構成するスラリー循環ラインを設け、この循
環ライン中に稀釈用の工業用水を供給するようにしたこ
とを特徴とする水酸化マグネシウムの貯留、供給設備。When using approximately 30% magnesium hydroxide slurry as an alkaline agent in wet flue gas desulfurization equipment, wastewater treatment equipment, etc., it is necessary to A storage and supply facility for magnesium hydroxide, characterized in that a slurry circulation line consisting of a pump and piping is provided in between, and industrial water for dilution is supplied into this circulation line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59271981A JPS61149233A (en) | 1984-12-25 | 1984-12-25 | Equipment for storing and supplying magnesium hydroxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59271981A JPS61149233A (en) | 1984-12-25 | 1984-12-25 | Equipment for storing and supplying magnesium hydroxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61149233A true JPS61149233A (en) | 1986-07-07 |
Family
ID=17507483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59271981A Pending JPS61149233A (en) | 1984-12-25 | 1984-12-25 | Equipment for storing and supplying magnesium hydroxide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61149233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6448132U (en) * | 1987-09-21 | 1989-03-24 | ||
| JP2007317380A (en) * | 2006-05-23 | 2007-12-06 | Samii Kk | Operation switch |
-
1984
- 1984-12-25 JP JP59271981A patent/JPS61149233A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6448132U (en) * | 1987-09-21 | 1989-03-24 | ||
| JP2007317380A (en) * | 2006-05-23 | 2007-12-06 | Samii Kk | Operation switch |
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