JP2547124Y2 - Wastewater treatment equipment for small boilers - Google Patents
Wastewater treatment equipment for small boilersInfo
- Publication number
- JP2547124Y2 JP2547124Y2 JP1320192U JP1320192U JP2547124Y2 JP 2547124 Y2 JP2547124 Y2 JP 2547124Y2 JP 1320192 U JP1320192 U JP 1320192U JP 1320192 U JP1320192 U JP 1320192U JP 2547124 Y2 JP2547124 Y2 JP 2547124Y2
- Authority
- JP
- Japan
- Prior art keywords
- wastewater treatment
- wastewater
- drainage
- neutralizer
- treatment tank
- 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 - Fee Related
Links
Landscapes
- Treating Waste Gases (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は化石燃料等の燃焼による
小型ボイラのブロー水等の廃水処理装置に関するもので
ある。INVENTION The present invention relates to relates to wastewater treatment apparatus, such as blanking low water small boiler the combustion of such fossil fuels.
【０００２】[0002]
【従来の技術】ボイラの運転管理の中でボイラ缶水の管
理並びに処理は大変重要で、ボイラ外水処理としてボイ
ラの給水の硬度軟化処理、ボイラ内処理として清浄剤・
清缶剤等の薬剤添加によるｐＨ調整脱酸素処理等を実施
している。ボイラ運転によるボイラ缶水の濃縮等による
問題発生の対策のため、運転開始時の缶水ブロー並びに
運転時の濃縮度上昇を防止するため、間欠もしくは連続
ブローを実施しなければならない。ブロー廃水はｐＨが
１１前後で高温のため、そのままでは排出できず、廃水
処理タンクに一度溜めて、中和剤を注入してｐＨ値調整
等の処理を必要としている。2. Description of the Related Art In the operation management of a boiler, the management and treatment of boiler can water is very important.
PH adjustment deoxygenation treatment and the like by the addition of chemicals such as cans are carried out. In order to prevent the occurrence of problems due to the concentration of boiler can water during boiler operation, intermittent or continuous blowing must be performed in order to prevent can water blowing at the start of operation and increase in the degree of concentration during operation. Blow wastewater can not be discharged as it is because the pH is around 11 and high temperature.
It needs to be stored once in a processing tank and then injected with a neutralizer to adjust the pH value.
【０００３】[0003]
【考案が解決しようとする課題】本考案が解決しようと
する課題は、廃水の中和処理に使用している中和剤の低
減とボイラのブロー廃水に含まれる熱を回収するととも
に、燃焼排ガス中に含まれる二酸化炭素並びに有害物質
を除去することにある。[Devised It is an object of the present invention is to solve the
An object is configured to recover the heat contained in the reduction and boiler blow wastewater of neutralizing agent is used to neutralize the waste water, to remove carbon dioxide as well as harmful substances contained in flue gas is there.
【０００４】[0004]
【課題を解決するための手段】本考案において、上記の
課題を解決するために次の様な手段をとる。廃水処理タ
ンクを設け、ボイラからのブロー水を廃水処理タンクに
蓄え、蓄えた廃水をボイラのエコノマイザーもしくは煙
道の排ガス通路側に散水し、その廃水を廃水処理タンク
に戻す。廃水処理タンクには、ｐＨ検出装置、並びに液
位検出装置を設け、ｐＨが所定の範囲並びにタンク液位
が所定の値になっていたならば、タンクからの排水を実
施する。更に、廃水処理タンク内に螺旋状或いはコイル
状の配管を設け、配管の一端から給水を行い、その給水
と廃水処理タンク内の廃水の保有している熱と熱交換を
おこなう。Means for Solving the Problems In the present invention, the following means are taken to solve the above problems. A wastewater treatment tank is provided, blow water from the boiler is stored in the wastewater treatment tank, the stored wastewater is sprinkled on the boiler's economizer or the flue gas passage side of the flue, and the wastewater is returned to the wastewater treatment tank. The wastewater treatment tank is provided with a pH detection device and a liquid level detection device, and when the pH has reached a predetermined range and the tank liquid level has reached a predetermined value, drainage from the tank is performed. Further, a spiral or coiled pipe is provided in the wastewater treatment tank, water is supplied from one end of the pipe, and heat exchange is performed between the supplied water and the retained heat of the wastewater in the wastewater treatment tank.
【０００５】廃水処理タンク内のｐＨ計測値が所定の値
に達しないうちに、ボイラからのブロー廃水により、タ
ンクの保有水量以上になる場合は排水を実施する必要が
あるために、中和剤注入装置を設けておき、中和剤によ
る中和後排水を実施する。 [0005] While pH measurements in the wastewater treatment tank does not reach a predetermined value, by blow waste water from the boiler, in order if equal to or greater than held water tanks that need to carry out wastewater neutralizer Provide an injection device and use a neutralizing agent.
Drain after neutralization.
【０００６】[0006]
【作用】ボイラからの廃水に含まれるアルカリ成分をエ
コノマイザーもしくは煙道の排ガス通路に散水すると、
燃焼排ガス中には二酸化炭素、一酸化炭素、窒素酸化
物、硫黄酸化物等の酸性物質が含まれているため、酸性
物質がアルカリ性の廃水液に吸収されて、廃水中のアル
カリ成分が中和され、ｐＨ値が低減されるうえ、排ガス
中の二酸化炭素および有害物質の含有量が低下する。ま
た、ボイラからのブロー水の持つ熱は、廃水処理タンク
内に設けられた熱交換配管と熱交換おこなって給水に吸
収され回収される。SUMMARY OF Upon sprinkling alkaline component contained in the waste water from the boiler to the flue gas passage of the economizer or the flue,
Since the combustion exhaust gas contains acidic substances such as carbon dioxide, carbon monoxide, nitrogen oxides, sulfur oxides, etc.
Substances are absorbed into the alkaline wastewater , neutralizing the alkaline components in the wastewater , reducing the pH value ,
The content of carbon dioxide and harmful substances in it decreases. Further, heat of the blow water from the boiler is being sucked <br/> yield recovered feedwater performed heat exchange pipe and the heat exchange provided in the wastewater treatment tank.
【０００７】[0007]
【実施例】本考案の実施の一例を図面を用いて説明す
る。図１並びに図２は排水温度を管理するために温度検
出装置（４）を付設した実施の一例である。廃水処理装
置は廃水処理タンク（１）にｐＨ検出装置（５）、液位
検出装置（３）を設ける。これらの検出装置は電気的に
制御装置（１４）に接続されている。廃水処理タンク
（１）の底部近くから配管を設けて、その配管に排水・
散水ポンプ（２）、排水・散水ポンプ（２）の吐出側配
管に３方弁（７）を設け、その３方弁（７）の一方を排
水側、その他方を配管を介してボイラ（９）のエコノマ
イザー（１０）もしくは煙道（１７）の散水口（１１）
へ接続する。An embodiment of the present invention will be described with reference to the drawings. FIG. 1 and FIG. 2 show an embodiment in which a temperature detecting device (4) is additionally provided to control the temperature of waste water. The wastewater treatment apparatus is provided with a pH detector (5) and a liquid level detector (3) in a wastewater treatment tank (1). These detection devices are electrically connected to the control device (14). Pipes are provided near the bottom of the wastewater treatment tank (1), and drainage
A three-way valve (7) is provided on the discharge side pipe of the watering pump (2) and the drainage / watering pump (2), and one of the three-way valves (7) is connected to the drainage side, and the other is connected to the boiler (9) via the pipe. ) Economizer (10) or Flue (17) Spout (11)
Connect to
【０００８】廃水処理タンク内に螺旋状もしくはコイル
状に形成した給水熱交換配管（６）を設置し、配管の一
方を給水の入り口として、他方を給水タンク（１３）へ
と配管する。廃水処理タンク（１）へは、ボイラからの
ブロー廃水配管、エコノマイザーもしくは煙道からの散
水ドレン廃水配管を設ける。更に、中和剤貯蔵タンク
（１６）から中和剤注入装置（１５）、供給配管を介し
て廃水処理タンクへ中和剤を注入する中和剤供給口を設
ける。A spirally or coiled water supply heat exchange pipe (6) is installed in the wastewater treatment tank, and one of the pipes is used as an inlet for water supply and the other is connected to a water supply tank (13). Waste water treatment tank (1)
Blow wastewater pipes, dispersion from economizer or flue
Water drain wastewater piping will be provided. In addition, neutralizer storage tank
From (16), a neutralizing agent injection device (15) is provided with a neutralizing agent supply port for injecting the neutralizing agent into the wastewater treatment tank via a supply pipe .
【０００９】中和剤注入装置（１５）、３方弁（７）、
並びに排水・散水ポンプ（２）は電気的に制御装置（１
４）と接続され、制御装置（１４）との電気的信号によ
り作動・発停が可能である。また、ボイラの制御装置と
電気的に接続されて、ボイラの発停信号を取り入れてい
る（図示せず）。排水処理装置の制御方法の一例につい
て説明する。排水・散水ポンプ（２）の運転は、廃水処
理タンク（１）の液位が所定範囲の時でボイラが燃焼運
転中に行う。排水・散水ポンプが運転時において、廃水
処理タンクの液位が排水レベル以上になり、ｐＨ検出装
置（５）からのタンク内の廃水のｐＨが所定の値なら
ば、３方弁（７）を排水側にして、排水レベル以下にな
るまで排水を行う。また、排水の温度を制御する場合
は、廃水処理タンク（１）の廃水温度がある所定以上の
時、所定温度に下がるまで排水を停止し、所定温度以下
になれば排水を実施する。排水工程終了後は、３方弁
（７）を散水側に接続する。ボイラが燃焼運転中の場
合、３方弁（７）を散水側にし、エコノマイザー（１
０）もしくは煙道（１７）の散水口（１１）から散水を
行うことで、排ガスによってブロー廃水が中和される。
廃水処理タンクの液位が、排水レベル以上でｐＨも所定
の値になければ、中和剤注入装置（１５）を稼動し、中
和剤によりｐＨの値を下げてから３方弁（１０）を排水
側とし、排水レベル以下まで排水を行う。 A neutralizer injection device ( 15 ), a three-way valve (7),
And the drainage / sprinkling pump (2) is electrically controlled by the control device (1
4), and can be operated and started / stopped by an electric signal with the control device (14). Further, it is electrically connected to a control device of the boiler, and receives a start / stop signal of the boiler (not shown) . An example of a control method of the wastewater treatment device will be described. The operation of the drainage / sprinkling pump (2) is performed when the boiler burns when the liquid level in the wastewater treatment tank ( 1 ) is within a predetermined range.
Performed during the transition . When the drainage / sprinkling pump operates, if the liquid level in the wastewater treatment tank is equal to or higher than the drainage level and the pH of the wastewater in the tank from the pH detector (5) is a predetermined value, the three-way valve (7) is turned on. On the drain side, drain water until it is below the drain level . Also, when controlling the temperature of the waste water, when the above predetermined in the waste water temperature of the waste water treatment tank (1), to stop the drainage down to a predetermined temperature, you implement drainage if below a predetermined temperature. After draining process is completed, the to connect to the nozzle side three-way valve (7). When the boiler is in combustion operation, the three-way valve (7) is set to the water sprinkling side, and the economizer (1) is used.
0) or by spraying water from the water spout (11) of the flue (17), the blow wastewater is neutralized by the exhaust gas.
When the liquid level in the wastewater treatment tank is higher than the drainage level, the pH is also specified.
If not, the neutralizer injection device (15) is activated and
Drain the 3-way valve (10) after lowering the pH value with a wet agent
And drain to below the drainage level.
【００１０】[0010]
【考案の効果】ボイラからのブロー廃水をエコノマイザ
ーもしくは煙道内の排ガス通路側に散水するために、燃
焼排ガス中に含まれる二酸化炭素並びに有害物質がボイ
ラ廃水液に吸収され、排ガス中の二酸化炭素並びに有害
物質の含有量が低下でき、中和作用により、廃液中のア
ルカリ成分が中和され、中和処理に要する中和剤が不要
もしくは中和剤の消費量が低減される。また、ボイラか
らの高温ブロー水が廃水処理タンク内に設けられた熱交
換配管とで熱交換おこなって熱が回収される為、ボイラ
効率の向上並びに省エネとなる。[Effect of the Invention] In order to spray blow wastewater from the boiler to the exhaust gas passage side in the economizer or flue, carbon dioxide and harmful substances contained in the combustion exhaust gas are absorbed by the boiler wastewater liquid, and the carbon dioxide in the exhaust gas is absorbed. and can at a reduced content of harmful substances, the neutralize the action is neutralized alkali components in the effluent is not necessary neutralizing agent required for the neutralization process
Alternatively , the consumption of the neutralizing agent is reduced. In addition, high-temperature blow water from the boiler is used for heat exchange in a wastewater treatment tank.
Since heat is recovered by exchanging heat with the replacement pipe , boiler efficiency is improved and energy is saved .
【図１】本考案の一実施例の構成概要図Configuration schematic diagram of Kazumi 施例 of FIG. 1 the present invention
【図２】本考案の他の一実施例の構成概要図FIG. 2 is a schematic diagram of the configuration of another embodiment of the present invention .
１ 廃水処理タンク ２ 排水・散水ポンプ ３ 液位検出装置 ４ 温度検出装置 ５ ｐＨ検出装置 ６ 給水熱交換配管 ７ ３方弁 ８ 電磁開閉弁 ９ ボイラ １０ エコノマイザー １１ 散水口 １２ ボイラ給水ポンプ １３ 給水タンク １４ 制御装置 １５ 中和剤注入装置 １６ 中和剤貯蔵タンク １７ 煙道 Reference Signs List 1 wastewater treatment tank 2 drainage / sprinkling pump 3 liquid level detection device 4 temperature detection device 5 pH detection device 6 feed water heat exchange pipe 7 three-way valve 8 electromagnetic open / close valve 9 boiler 10 economizer 11 water spout 12 boiler feed pump 13 water supply tank 14 Control device 15 Neutralizer injection device 16 Neutralizer storage tank 17 Flue
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ２２Ｂ 37/54 Ｆ２２Ｂ 37/54 Ｂ (56)参考文献 特開 昭62−129605（ＪＰ，Ａ) 実開 昭58−137208（ＪＰ，Ｕ)──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. 6 Identification code Agency reference number FI Technical display location F22B 37/54 F22B 37 / 54B (56) References JP-A-62-129605 (JP, A) 58-137208 (JP, U)
Claims (4)
レン廃水配管、並びにボイラからのブロー廃水配管が接
続され、液位検出装置を持った廃水処理タンクを設け、
煙道に散水口を設けておき、廃水処理タンクと散水口
を、途中に排水・散水ポンプおよび排水・散水ポンプ吐
出側に３方弁を持った配管で接続し、その３方弁の一方
を排水側配管に接続した廃水処理装置において、ｐＨ検
出センサーを排水・散水ポンプの配管中もしくは廃水処
理タンクに設け、３方弁、排水・散水ポンプ、ｐＨ検出
センサー、液位検出装置のそれぞれに接続され、液位検
出装置、ｐＨ検出センサー等の信号により、排水・散水
ポンプ、並びに３方弁を運転制御する制御装置を持った
ことを特徴とした小型ボイラ用廃水処理装置。1. A water spout connected to a waste water outlet of a flue of a boiler.
Len wastewater piping and blow wastewater piping from the boiler are connected.
Followed by a wastewater treatment tank with a liquid level detector,
A water outlet is provided in the flue, and a wastewater treatment tank and water outlet are provided.
The drainage / sprinkling pump and the drainage / sprinkling pump
In a wastewater treatment apparatus in which a pipe having a three-way valve is connected to the outlet side and one of the three-way valves is connected to a drainage pipe, a pH detection sensor is provided in a pipe of a drainage / sprinkling pump or in a wastewater treatment tank, 3-way valve, drainage / sprinkling pump, pH detection
Connected to each of the sensor and liquid level detection device ,
Detection device, a signal, such as a pH detection sensor, drainage and watering pump, and <br/> that wastewater treatment unit for small boiler characterized by having a controlling apparatus for controlling the three-way valve.
置において、散水口をエコノマイザーに設け、エコノマ
イザーの廃水口に接続された散水ドレン廃水配管を廃水
処理タンクへ接続したことを特徴とする小型ボイラ用廃
水処理装置。 2. A wastewater treatment device for a small boiler according to claim 1.
Water spouts in the economizer
Drain the sprinkling drain wastewater pipe connected to the wastewater outlet of Iser
Waste for small boilers characterized by being connected to a treatment tank
Water treatment equipment.
ラ用排水処理装置において、廃水処理タンク内に熱交換
配管を設けたことを特徴とする小型ボイラ用廃水処理装
置。 3. A small boiler according to claim 1 or claim 2.
Heat exchange in the wastewater treatment tank
Wastewater treatment equipment for small boilers characterized by providing piping
Place.
ラ用排水処理装置において、中和剤貯蔵タンクから廃水
処理タンクへ中和剤を注入する中和剤注入口並びに中和
剤注入装置を設け、中和剤注入装置と制御装置を接続し
ておき、液位検出装置並びにｐＨ検出センサーからの信
号により、排水・散水ポンプ、３方弁並びに中和剤注入
装置を運転制御する制御装置を持ったことを特徴とする
小型ボイラ用廃水処理装置。 4. The small boiler according to claim 1 or claim 2.
Wastewater from the neutralizer storage tank
Neutralizer inlet and neutralizer for injecting neutralizer into treatment tank
Provide a chemical injection device and connect the neutralizer injection device and the control device.
The signal from the liquid level detector and the pH sensor
No., drainage / watering pump, three-way valve and injection of neutralizer
Characterized by having a control device for controlling the operation of the device
Wastewater treatment equipment for small boilers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1320192U JP2547124Y2 (en) | 1992-02-06 | 1992-02-06 | Wastewater treatment equipment for small boilers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1320192U JP2547124Y2 (en) | 1992-02-06 | 1992-02-06 | Wastewater treatment equipment for small boilers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08885U JPH08885U (en) | 1996-05-31 |
| JP2547124Y2 true JP2547124Y2 (en) | 1997-09-10 |
Family
ID=11826551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1320192U Expired - Fee Related JP2547124Y2 (en) | 1992-02-06 | 1992-02-06 | Wastewater treatment equipment for small boilers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2547124Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1048168A (en) * | 1996-07-31 | 1998-02-20 | Noritz Corp | Burning apparatus |
-
1992
- 1992-02-06 JP JP1320192U patent/JP2547124Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08885U (en) | 1996-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SK282302B6 (en) | Process and device for flue gas scrubbing and waste heat recovery | |
| KR20000075942A (en) | Pipe system cleaning and in-line treatment of spent cleaning solution | |
| CN205127702U (en) | Joint deNOx systems | |
| JP2547124Y2 (en) | Wastewater treatment equipment for small boilers | |
| CN104296125B (en) | Condensing hot air furnace processing system for gas fired-boiler | |
| CN101648110A (en) | Waste heat recovery device with function of fuel gas purification | |
| CN108261905A (en) | A kind of denitration integrated device and method | |
| CN105060313B (en) | A kind of urea liquid hydrolyzes ammonia system processed | |
| JPH06147629A (en) | Hot-water supplier | |
| EP1065444A1 (en) | Method and device for reducing temperature of exhaust gas utilizing hot water | |
| CN211169942U (en) | Recycling system of NH3 in waste water generated after flue gas desulfurization and denitration | |
| JPH08957U (en) | Wastewater treatment equipment for small boilers | |
| JP2925498B2 (en) | Boiler economizer cleaning equipment | |
| JP2009148684A (en) | Method of treating drainage containing ammonia | |
| CN209567319U (en) | Water termostat storage device after a kind of allotment of SNCR denitration agent automatic assembly line | |
| CN217287919U (en) | Fishing boat tail gas treatment system | |
| JP3043233B2 (en) | Boiler with wastewater treatment device | |
| JP3600423B2 (en) | Molten exhaust gas treatment equipment | |
| CN218393066U (en) | Electroplating acid mist reduction and discharge device | |
| CN220573126U (en) | Automatic device for preventing crystallization blockage in ammonia desulfurization tower | |
| CN204865518U (en) | A non - catalytic reduction flue gas denitration system of waste incinerator for retrieving useless ammonia | |
| JPH0248024Y2 (en) | ||
| CN218459086U (en) | Hydrogen chloride absorption system | |
| KR102435362B1 (en) | Water purification system with salt storage tank for long-term supply of salt solution for cleaning filtering media of small water purifier | |
| CN111285424B (en) | Concentrating and reducing flue drying device and treatment method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |