JPS63150504A - Water treatment equipment - Google Patents
Water treatment equipmentInfo
- Publication number
- JPS63150504A JPS63150504A JP29486886A JP29486886A JPS63150504A JP S63150504 A JPS63150504 A JP S63150504A JP 29486886 A JP29486886 A JP 29486886A JP 29486886 A JP29486886 A JP 29486886A JP S63150504 A JPS63150504 A JP S63150504A
- Authority
- JP
- Japan
- Prior art keywords
- water
- heater
- water supply
- low
- pressure
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 93
- 238000005341 cation exchange Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- 239000010962 carbon steel Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 229910000881 Cu alloy Inorganic materials 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 238000010828 elution Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000010612 desalination reaction Methods 0.000 description 4
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 3
- 239000003729 cation exchange resin Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は汽力発電プラントの水処理装置および水処理方
法に係り、特にプラント構成材料に好適なＰＨ調節を行
なう装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a water treatment device and a water treatment method for a steam power generation plant, and more particularly to a device for adjusting pH suitable for plant constituent materials.
従来、汽力発電プラントにおいては一般に鋼材と鋼材の
両者が用いられており、その両者の腐食・溶出の観点か
ら５系統水のＰＨをいくらにすべきかの検討がなされて
いる。その一つは岡本廉之輔［武豊火力発電所１号ユニ
ット水処理特性試験結果」、火力発電Ｖｏ１１１．２０
．ＮＱ５．ｐ、４９８〜５１７ 、 Ｍａｙ１９６９に
述べられているように、系統水のｐＨを高くすると鋼材
からの鉄の溶出量は減少するが、復水器及び低圧給水ヒ
ータに銅合金が使用されているので、逆に鋼の溶出量が
大幅に増加することから、このプラントのＩｋＪｐＨは
９．４ であるとしている。Conventionally, both steel and steel materials have been generally used in steam power generation plants, and studies have been made to determine what the pH of the 5-system water should be from the viewpoint of corrosion and elution of both materials. One of them is Rennosuke Okamoto [Results of water treatment characteristics test of Taketoyo Thermal Power Station Unit 1], Thermal Power Generation Vo111.20
．． NQ5. As stated in May 1969, p. 498-517, increasing the pH of system water reduces the amount of iron leached from steel, but since copper alloys are used in the condenser and low-pressure water heater, On the contrary, the IkJpH of this plant is assumed to be 9.4 because the amount of steel eluted increases significantly.
また、日本工業規格（ＪＩＳ Ｂ８２２３−１９７７
）ｒボイラの給水およびボイラ水の水質」によると、高
圧のボイラを有する火力発電プラントの給水のｐＨ基準
値は８．８〜９．５とし、その中でも高圧給水ヒータの
管材が鋼の場合には高目に保つことが望ましいとしてい
る。In addition, Japanese Industrial Standards (JIS B8223-1977
According to ``Boiler feed water and boiler water quality,'' the standard pH value of feed water for thermal power plants with high-pressure boilers is 8.8 to 9.5. It is desirable to keep it at a high level.
また、火力発電プラントと同様の構成材料で同様の水質
管理を実施している加圧水型原子力発電プラントの２次
側系統水のＰＨ値も、上述と同様の理由から８．５〜９
．５としている。Furthermore, for the same reasons as mentioned above, the pH value of the secondary system water of pressurized water nuclear power plants, which use the same constituent materials and implement the same water quality management as thermal power plants, is also 8.5 to 9.
．． It is set at 5.
上記従来技術は、鋼材と鋼材が混在している復水・給水
・蒸気の全系統を一つのｐＨ値で管理しているため、両
材料に対する妥協点としてのｐＨ値となり、それらの腐
食・溶出もある程度やむを得ないものとされていた。こ
れらの腐食生成物はボイラ、タービン等に付着して、ボ
イラのオーバーヒート、タービン効率の低下等の不具合
の原因となる。このため、多くの人手と薬品を使用する
付着物の酸洗浄、高圧水を噴射するジェット洗浄等を定
期的に実施しなければならないという問題があった。In the above conventional technology, the entire condensate, water supply, and steam systems in which steel and steel materials are mixed are managed at one pH value, so the pH value is a compromise for both materials, and their corrosion and elution It was also considered to be unavoidable to some extent. These corrosion products adhere to boilers, turbines, and the like, causing problems such as boiler overheating and reduced turbine efficiency. For this reason, there is a problem in that it is necessary to periodically perform acid cleaning of deposits that requires many hands and chemicals, jet cleaning that uses high-pressure water, and the like.
−本発明の目的は、前記した従来の汽力発電プラントの
問題点を解決し、鋼材の腐食・溶出量が最も多い系統と
、鋼材を含むその他の系統のｐＨ値を別々に管理できる
水処理装置を提供し、それぞれの系統に最適なＰＨ値で
管理する水処理方法を提供することにある。- The purpose of the present invention is to solve the above-mentioned problems of conventional steam power plants, and to provide a water treatment system that can separately manage the pH values of the system where the amount of corrosion and elution of steel materials is the highest and the other systems that contain steel materials. The objective is to provide a water treatment method that manages the pH value optimal for each system.
〔問題点を解決するための手段〕
第２図は、低圧給水ヒータ及び高圧給水ヒータの管材が
炭素鋼のプラントにおける、系統水のｐＨとプラント各
点の鉄濃度の関係を示す。この図から、鉄の溶出量が最
も多いのは復水昇圧ポンプ出口から脱気器入口までの間
、即ち低圧給水ヒータ給水側であり、その鉄は脱気器出
口から主蒸気までの間、即ち高圧給水ヒータ給水側及び
ボイラに付着していることがわかる。また、同図から。[Means for solving the problem] Fig. 2 shows the relationship between the pH of system water and the iron concentration at each point in the plant in a plant where the pipe materials of the low-pressure water heater and the high-pressure water heater are made of carbon steel. From this figure, the largest amount of iron is eluted between the condensate booster pump outlet and the deaerator inlet, that is, on the low-pressure feed water heater water supply side, and the iron elutes between the deaerator outlet and the main steam. That is, it can be seen that it adheres to the high-pressure water supply heater water supply side and the boiler. Also from the same figure.
系統水のＰＨを９．６以上にすると上記低圧給水ヒータ
給水側からの鉄の溶出量は極めて少なくなることがわか
る。It can be seen that when the pH of the system water is set to 9.6 or higher, the amount of iron eluted from the water supply side of the low-pressure water supply heater becomes extremely small.
第３図は、復水器が銅合金管のプラントにおける。系統
水のｐＨと復水ポンプ出口の銅濃度の関係を示す。この
図から、ＰＨが９．５ を越えると銅の溶出が急激に増
加することがわかる。Figure 3 shows a plant where the condenser is made of copper alloy pipes. The relationship between the pH of system water and the copper concentration at the condensate pump outlet is shown. This figure shows that copper elution increases rapidly when pH exceeds 9.5.
以上のような検討結果から、銅合金管復水器と炭素鋼管
低圧給水ヒータを有するプラントにおいては、低圧給水
ヒータ給水側の系統のｐＨを９．６以上とし、復水器を
含むその他の系統のｐＨを９．５以下にすることにより
、プラント全体の鉄と銅の溶出量を最小にすることがで
きることがわかった。From the above study results, in plants with copper alloy pipe condensers and carbon steel pipe low-pressure water heaters, the pH of the system on the water supply side of the low-pressure water heater should be set to 9.6 or higher, and the pH of other systems including the condenser should be set to 9.6 or higher. It was found that the amount of iron and copper leached from the entire plant can be minimized by adjusting the pH to 9.5 or less.
このような水処理を行なうためには、従来の汽力発電プ
ラントでも設けられている、復水脱塩装置出口、即ち低
圧給水ヒータ入口への薬液注入装置から、アンモニア、
ヒドラジン等のアルカル剤を注入し、低圧給水ヒータ出
口に陽イオン交換塔とそのバイパス系統を新たに設け、
そこでアルカリ剤の一部を除去すればよい。In order to carry out such water treatment, ammonia, ammonia,
Injecting an alkaline agent such as hydrazine, and installing a new cation exchange tower and its bypass system at the outlet of the low-pressure feed water heater.
Therefore, a portion of the alkaline agent may be removed.
陽イオン交換塔の中には水素型陽イオン交換樹脂が充填
されており、ｐＨを上げるために注入したアルカリ剤で
あるアンモニア、ヒドラジン等を除去する。陽イオン交
換樹脂の耐熱温度は１５０℃程度であるのに対し、低圧
給水ヒータ出口温度は１３０℃程度であるので、ここに
陽イオン交換塔を設置してもイオン交換性能上の問題は
ない。The cation exchange column is filled with a hydrogen-type cation exchange resin, which removes ammonia, hydrazine, etc., which are alkaline agents injected to raise the pH. The heat resistance temperature of the cation exchange resin is about 150°C, whereas the outlet temperature of the low pressure water heater is about 130°C, so there is no problem in terms of ion exchange performance even if a cation exchange tower is installed here.
陽イオン交換塔出口以降のＰＨはある一定値に保つ必要
があるので、陽イオン交換塔のバイパス系統を設けて給
水の一部をバイパスし、陽イオン交換塔を通った給水と
合流させる６合流後にはｐＨ計または電気伝導率計を設
け、その信号にょリバイパス弁の開度を調節することに
より、合流後のＰＨ値を一定に制御することができる。Since the pH after the cation exchange tower exit needs to be maintained at a certain value, a bypass system for the cation exchange tower is installed to bypass a portion of the feed water and combine it with the feed water that has passed through the cation exchange tower. Afterward, by providing a pH meter or an electrical conductivity meter and adjusting the opening degree of the bypass valve according to the signal, the pH value after merging can be controlled to be constant.
陽イオン交換塔の樹脂は所定時間使用するとブレーク点
に達するので、その前に硫酸または塩酸により再生を行
なってから再使用する。再生装置は復水脱塩装置の陽イ
オン交換樹脂用のものと兼用することができる。Since the resin in the cation exchange column reaches a break point after being used for a predetermined period of time, it must be regenerated with sulfuric acid or hydrochloric acid before reuse. The regenerator can also be used for the cation exchange resin in the condensate desalination device.
以下、本発明の一実施例を第１図により説明する。 An embodiment of the present invention will be described below with reference to FIG.
、 第１図において、系統水は次のように流れる。, In Figure 1, the system water flows as follows.
銅合金管製復水器２→復水配管３→復水ポンプ４→復水
脱塩装置５→復水昇圧ポンプ６→炭素Ｓｉ管製低圧給水
ヒータ７→水素型陽イオン交換塔２゜及びそのバイパス
配管２トバイパス弁２２→脱圧器８→給水配管９→給水
ポンプ１０→高圧給水ヒータ１１→ボイラの節炭器１２
→ボイラの水壁１３→主蒸気配管１４→タービン１→復
水器２゜この流れの中で系統水はボイラの節炭器１２及
びボイラの水壁１３で蒸気に変えられ、タービン１に流
入して仕事をする。タービン１に入った蒸気の一部は油
気配管１５Ａ及び１５Ｂを経由して高圧給水ヒータ１１
及び低圧給水ヒータ７に導かれ、給水を加熱して凝縮水
（ドレン）となり、給水ヒータドレン配管１６Ａ及び１
６Ｂ・低圧給水ヒータドレンポンプ１７を通って給水中
に混合される。Copper alloy pipe condenser 2 → condensate piping 3 → condensate pump 4 → condensate desalination device 5 → condensate boost pump 6 → carbon Si pipe low pressure feed water heater 7 → hydrogen type cation exchange tower 2° and The bypass pipe 2 and bypass valve 22 → depressurizer 8 → water supply pipe 9 → water supply pump 10 → high pressure water heater 11 → boiler economizer 12
→ Boiler water wall 13 → Main steam pipe 14 → Turbine 1 → Condenser 2° In this flow, the system water is converted into steam by the boiler economizer 12 and the boiler water wall 13, and then flows into the turbine 1. and work. A part of the steam that has entered the turbine 1 is sent to the high pressure water heater 11 via oil and air pipes 15A and 15B.
and the low-pressure water supply heater 7, the water supply is heated and becomes condensed water (drain), and the water supply heater drain piping 16A and 1
6B. Mixed into the water supply through the low pressure water heater drain pump 17.
第１図の例によれば、各機器及び配管を防食するため、
薬液注入装置１８を用いて、復水脱塩装置５の後流の給
水中にアルカリ剤を注入する。アルカリ剤としてはアン
モニア、ヒドラジン等の揮発性薬品を用いる。アルカリ
剤注入後の給水ｐＨを一定値に保つため・復水昇圧ポン
プ６の後流にＰＨ計または電気伝導率計１９Ａを設け、
その信号により薬液注入装置１８の注入ポンプを自動制
御している。このようにして注入したアルカル剤により
、低圧給水ヒータ７の給水のｐＨを９．６以上に保つこ
とによって、この系統の鋼材の腐食・溶出を抑制するこ
とができる。According to the example in Figure 1, in order to prevent corrosion of each equipment and piping,
Using the chemical injection device 18, an alkaline agent is injected into the water supply downstream of the condensate desalination device 5. As the alkali agent, a volatile chemical such as ammonia or hydrazine is used. In order to maintain the pH of the feed water at a constant value after injection of the alkaline agent, a PH meter or electrical conductivity meter 19A is installed downstream of the condensate boost pump 6.
The injection pump of the chemical liquid injection device 18 is automatically controlled based on the signal. By keeping the pH of the water supplied to the low-pressure water supply heater 7 at 9.6 or higher using the alkali agent injected in this manner, corrosion and elution of steel materials in this system can be suppressed.
第１図において、低圧給水ヒータ７を流出した給水は、
一部が陽イオン交換塔２０に通水されて給水中のアンモ
ニアが除去され、残りがバイパス配管２１及びバイパス
弁２２を通り、その後これらは合流する。合流後にｐＨ
計または電気伝導率計１９Ｂを設け、その信号によって
バイパス弁２２の開度を調節し、合流後のＰＨを９．５
以下の一定値に保つことができる。その後、脱気器８゜
高圧給水ヒータ１１．ボイラの節炭器１２．ボイラの水
壁１３．タービン１等を通過する間にｐＨはほとんど変
わらず、復水器２へ流入する。In FIG. 1, the water supply that has flowed out of the low-pressure water supply heater 7 is
A portion of the water is passed through the cation exchange column 20 to remove ammonia in the feed water, and the remainder passes through the bypass pipe 21 and the bypass valve 22, and then these are combined. pH after confluence
A meter or electrical conductivity meter 19B is provided, and the opening degree of the bypass valve 22 is adjusted according to the signal, and the pH after merging is adjusted to 9.5.
It can be kept at the following constant value. After that, a deaerator 8 degrees high pressure water heater 11. Boiler economizer 12. Boiler water wall13. While passing through the turbine 1 etc., the pH hardly changes and the water flows into the condenser 2.
第４図は、上記本発明の一実施例において、低圧給水ヒ
ータ出口給水のｐＨと、ボイラの節炭入口給水のＰＨと
、陽イオン交換塔の通水率の関係を示したものである。FIG. 4 shows the relationship between the pH of the low-pressure feedwater heater outlet feedwater, the boiler coal-saving inlet feedwater pH, and the water passage rate of the cation exchange tower in one embodiment of the present invention.
これにより、低圧給水ヒータ給水側のＰＨ値と節炭器入
口給水のｐＨ値の設定値を決めれば、陽イオン交換塔の
通水率が求まり、陽イオン交換塔の設計を行なうことが
できる。Accordingly, by determining the set values of the pH value on the water supply side of the low-pressure water supply heater and the pH value of the feed water at the inlet of the energy saver, the water flow rate of the cation exchange tower can be determined, and the cation exchange tower can be designed.
たとえば、低圧給水ヒータ給水側のＰＨ値を９，７゜節
炭器入口給水のｐＨを９．４で設計する場合、陽イオン
交換塔の通水率は６７％で設計することになる。For example, if the pH value of the water supply side of the low-pressure water supply heater is designed to be 9.7° and the pH value of the feed water at the inlet of the economizer is designed to be 9.4, the water flow rate of the cation exchange tower is designed to be 67%.
以上述べた実施例は超臨界圧火力発電プラントに対する
ものであるが、亜臨界火力発電プラント及び加圧水型源
・予力発電プラント２次系に対しても、復水器が銅合金
管で低圧給水ヒータが炭素鋼管を含む場合には、本発明
を適用することができる。The embodiments described above are for supercritical pressure thermal power plants, but they can also be applied to subcritical thermal power plants and pressurized water type source/pre-power generation plant secondary systems, in which the condenser is a copper alloy pipe used to supply low-pressure water. The present invention can be applied when the heater includes a carbon steel pipe.
本発明によれば、銅合金管復水器と炭素鋼管を含む低圧
給水ヒータを有する汽力発電プラントの機器及び配管の
防食が達成でき、系統水中の金属不純物が約半分以下に
減少できるので、（１）腐食生成物除去のため酸洗浄間
隔が大幅に延長する、（２）排水処理費の削減、（３）
高圧給水ヒータのジェット洗浄が不要になる、（４）ス
ケールの付着祈出がなくなるので性能及び効率も大きく
向上する、という効果を有する。According to the present invention, it is possible to achieve corrosion protection for the equipment and piping of a steam power plant that has a low-pressure water heater including a copper alloy tube condenser and a carbon steel tube, and metal impurities in the system water can be reduced to about half or less. 1) Significantly longer acid cleaning intervals to remove corrosion products, (2) Reduced wastewater treatment costs, (3)
It has the following effects: jet cleaning of the high-pressure water heater becomes unnecessary; and (4) performance and efficiency are greatly improved because scale adhesion is eliminated.
第１図は本発明の一実施例を示す火力発電プラントの系
統図、第２図は低圧給水ヒータ及び高圧給水ヒータが炭
素鋼管のプラントにおけるｐ Ｈ値と全鉄変化を示す線
図、第３図は復水器が銅合金管のプラントにおけるＰＨ
値と金銅変化を示す線図、第４図は第１図に示した本発
明の一実施例における給水ＰＨ値と陽イオン交換塔通水
率の関係を示す線図である。
１・・・タービン、２・・・復水器、３・・・復水配管
、４・・・復水ポンプ、５・・・復水脱塩装置、６・・
・復水昇圧ポンプ、７・・・低圧給水ヒータ、８・・・
脱気器、９・・・給水配管、１０・・・給水ポンプ、１
１・・高圧給水ヒータ、１２・・・ボイラの節炭器、１
３・・・ボイラの水壁、１４・・・主蒸気配管、１５・
・・抽気配管、１６・・・給水ヒータドレン配管、１７
・・・低圧給水ヒータドレンポンプ、１８・・・薬液注
入装置。Fig. 1 is a system diagram of a thermal power plant showing an embodiment of the present invention; Fig. 2 is a diagram showing changes in pH value and total iron in a plant where the low-pressure feed water heater and high-pressure feed water heater are carbon steel pipes; The figure shows PH in a plant where the condenser is a copper alloy pipe.
FIG. 4 is a diagram showing the relationship between the pH value of the feed water and the water flow rate of the cation exchange tower in one embodiment of the present invention shown in FIG. 1. 1... Turbine, 2... Condenser, 3... Condensate piping, 4... Condensate pump, 5... Condensate desalination device, 6...
・Condensate boost pump, 7...Low pressure water heater, 8...
Deaerator, 9... Water supply piping, 10... Water supply pump, 1
1... High pressure water heater, 12... Boiler economizer, 1
3... Boiler water wall, 14... Main steam piping, 15.
...Bleed air piping, 16...Water supply heater drain piping, 17
...Low pressure water supply heater drain pump, 18...Chemical liquid injection device.
Claims (1)
材料で構成された低圧給水ヒータと、低圧給水ヒータの
給水入口への薬液注入装置を備えた汽力発電プラントに
おいて、低圧給水ヒータの給水出口に水素型陽イオン交
換塔及びそのバイパス系統を設けたことを特徴とする水
処理装置。1. In a steam power generation plant equipped with a condenser made of a material containing copper, a low-pressure feed water heater made of a material containing carbon steel, and a chemical injection device to the water supply inlet of the low-pressure feed water heater, low-pressure water supply A water treatment device characterized in that a hydrogen type cation exchange tower and its bypass system are provided at the water supply outlet of the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29486886A JPS63150504A (en) | 1986-12-12 | 1986-12-12 | Water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29486886A JPS63150504A (en) | 1986-12-12 | 1986-12-12 | Water treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63150504A true JPS63150504A (en) | 1988-06-23 |
Family
ID=17813288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29486886A Pending JPS63150504A (en) | 1986-12-12 | 1986-12-12 | Water treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63150504A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007160162A (en) * | 2005-12-12 | 2007-06-28 | Japan Organo Co Ltd | Method for operating power plant |
| JP6342539B1 (en) * | 2017-03-27 | 2018-06-13 | 三菱日立パワーシステムズ株式会社 | Power plant and operation method thereof |
-
1986
- 1986-12-12 JP JP29486886A patent/JPS63150504A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007160162A (en) * | 2005-12-12 | 2007-06-28 | Japan Organo Co Ltd | Method for operating power plant |
| JP6342539B1 (en) * | 2017-03-27 | 2018-06-13 | 三菱日立パワーシステムズ株式会社 | Power plant and operation method thereof |
| JP2018162739A (en) * | 2017-03-27 | 2018-10-18 | 三菱日立パワーシステムズ株式会社 | Power generation plant and method for operating the same |
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