JPS6220873B2 - - Google Patents
Info
- Publication number
- JPS6220873B2 JPS6220873B2 JP20271781A JP20271781A JPS6220873B2 JP S6220873 B2 JPS6220873 B2 JP S6220873B2 JP 20271781 A JP20271781 A JP 20271781A JP 20271781 A JP20271781 A JP 20271781A JP S6220873 B2 JPS6220873 B2 JP S6220873B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- acidic
- basic substance
- tank
- condensed water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 230000002378 acidificating effect Effects 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 15
- 230000005494 condensation Effects 0.000 claims description 15
- 230000007797 corrosion Effects 0.000 description 14
- 238000005260 corrosion Methods 0.000 description 14
- 239000000047 product Substances 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000004 White lead Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- CVNKFOIOZXAFBO-UHFFFAOYSA-J tin(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Sn+4] CVNKFOIOZXAFBO-UHFFFAOYSA-J 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Description
【発明の詳細な説明】
本発明は、石油給湯機、ガス湯沸機等において
潜熱交換を行う際に発生する酸性結露水の処理装
置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for treating acidic condensation water generated during latent heat exchange in oil water heaters, gas water heaters, and the like.
近年、省エネルギーの観点より高効率な石油給
湯機、ガス湯沸機等の燃焼機器が必要とされ、燃
焼排ガス中に含まれる潜熱を回収する熱交換器を
有した燃焼機器が開発されてきた。しかしなが
ら、この潜熱回収用熱交換器の表面では、燃焼排
ガス中の二酸化炭素や窒素酸化物等を溶かしこん
だ酸性結露水が発生し、この酸性結露水をそのま
ま排出した場合、配管の腐食やコンクリートを溶
す等の問題が起こるため、化学的に中和する処理
装置が開発されてきた。 In recent years, there has been a need for highly efficient combustion appliances such as oil water heaters and gas water heaters from the perspective of energy conservation, and combustion appliances having heat exchangers that recover latent heat contained in combustion exhaust gas have been developed. However, on the surface of this heat exchanger for latent heat recovery, acidic condensation water that dissolves carbon dioxide and nitrogen oxides in the combustion exhaust gas is generated, and if this acidic condensation water is discharged as it is, it may cause corrosion of pipes and concrete. Because of problems such as dissolution of substances, treatment equipment for chemically neutralizing them has been developed.
これらの処理機構は、単数又は複数の処理槽に
塩基性物質を設置し、順次に結露水を流して中和
処理するものであり、第１図の如き処理装置が従
来考えられている。しかしながら、この種の処理
装置は不溶性の熱交換器腐蝕生成物や空気中の塵
埃等を混入した結露水が流れると目詰まりを起こ
すといつた問題があつた。例えば、顕熱回収用熱
交換器の表面では、燃焼機器の運転を休止すると
熱交換器表面温度が低下してくるため結露水が発
生して腐蝕生成物が付着してくる。この腐蝕生成
物はやがて剥離し、燃焼排ガスによつて酸性結露
水の中に混入していた。また、潜熱回収用熱交換
器の表面でも、酸性結露水が発生するため腐蝕が
起こり、腐蝕生成物が酸性結露水の中に混入して
いた。一方、空気中の塵埃や不完全燃焼分のカー
ボンも酸性結露水の中に混入していた。これら不
溶性の腐蝕生成物や塵埃等が処理機構に流入する
と処理槽に沈澱し、やがて沈澱物が多量に堆積す
ると、処理機構は目詰まりを起こしていた。処理
機構が目詰まりを起こすと、塩基性物質を設置し
ていないバイパス流路に結露水は流れるため、酸
性結露水は塩基性物質と接触せずそのまま排出さ
れるといつた弊害が生じていた。 In these processing mechanisms, a basic substance is placed in one or more processing tanks, and dew condensation water is sequentially passed through the basic substance for neutralization. A processing apparatus as shown in FIG. 1 has been conventionally considered. However, this type of processing equipment has a problem in that it can become clogged when condensed water mixed with insoluble heat exchanger corrosion products and dust in the air flows. For example, on the surface of a heat exchanger for sensible heat recovery, when the operation of combustion equipment is stopped, the surface temperature of the heat exchanger decreases, so that condensation water is generated and corrosion products adhere to the surface of the heat exchanger. This corrosion product eventually peeled off and was mixed into the acidic condensation water by the combustion exhaust gas. In addition, corrosion occurred on the surface of the latent heat recovery heat exchanger due to generation of acidic condensed water, and corrosion products were mixed into the acidic condensed water. On the other hand, dust in the air and carbon from incomplete combustion were also mixed into the acidic condensation water. When these insoluble corrosion products, dust, etc. flow into the processing mechanism, they precipitate in the processing tank, and when a large amount of precipitates eventually accumulates, the processing mechanism becomes clogged. When the treatment mechanism becomes clogged, the condensed water flows into a bypass channel where no basic substance is installed, causing the problem that the acidic condensed water is discharged without coming into contact with the basic substance. .
第１図は従来の処理装置であり、第２図、第３
図は本発明の前提となる処理装置である。図にお
いて１はボデイー、２は処理槽、３は塩基性物
質、４は処理水入口部、５は処理水出口部、６は
バイパス流路である。 Figure 1 shows a conventional processing device, Figures 2 and 3
The figure shows a processing device that is the premise of the present invention. In the figure, 1 is a body, 2 is a treatment tank, 3 is a basic substance, 4 is a treated water inlet, 5 is a treated water outlet, and 6 is a bypass channel.
ボデイー１に形成された処理槽２に設置した塩
基性物質３に酸性結露水は処理水入口部４より流
入し、流入側より順次流出側へ流れを形成しなが
ら中和処理されたのち、処理水出口部５より排出
される機構である。酸性結露水の中に不溶性の腐
蝕生成物や塵埃・不完全燃焼物のカーボン等が混
入していると、処理槽２にこれら不溶性物質は沈
澱し、やがて多量に堆積すると流路を塞ぎ、目詰
まりを起こして結露水は流れなくなる。 Acidic condensed water flows from the treated water inlet 4 into the basic substance 3 installed in the treatment tank 2 formed in the body 1, and is neutralized while forming a flow sequentially from the inflow side to the outflow side. This is a mechanism for discharging water from the water outlet section 5. If insoluble corrosion products, dust, carbon from incomplete combustion, etc. are mixed in the acidic condensation water, these insoluble substances will precipitate in the treatment tank 2 and eventually accumulate in large quantities, blocking the flow path and causing problems. It gets clogged and the condensed water stops flowing.
そのため、結路水は塩基性物質を設置ていない
バイパス流路６に流れこみ、酸性結露水は塩基性
物質と接触せずそのまま処理水出口部５より排出
されていた。 Therefore, the condensed water flows into the bypass channel 6 in which no basic substance is installed, and the acidic condensed water is directly discharged from the treated water outlet 5 without coming into contact with the basic substance.
本発明は顕熱回収用および潜熱回収用熱交換器
からの腐蝕生成物や塵埃、不完全燃焼物のカーボ
ン等を酸性結露水から除去した後に処理槽に流す
機構を提供するものである。 The present invention provides a mechanism for removing corrosion products, dust, incompletely combusted carbon, etc. from heat exchangers for sensible heat recovery and latent heat recovery from acidic condensation water, and then draining the water into a treatment tank.
本発明は処理水入口部と処理槽の間に沈殿槽を
形成したものであり、一実施例の酸性露水処理装
置を第４図、第５図に示す。 In the present invention, a sedimentation tank is formed between the treated water inlet and the treatment tank, and an embodiment of the acidic dew water treatment apparatus is shown in FIGS. 4 and 5.
図において１はボデイー、２は処理槽、３は塩
基性物質、４は処理水入口部、５は処理水出口
部、６はバイパス流路、７は沈澱槽、８は遮蔽板
である。 In the figure, 1 is a body, 2 is a treatment tank, 3 is a basic substance, 4 is a treated water inlet, 5 is a treated water outlet, 6 is a bypass channel, 7 is a settling tank, and 8 is a shielding plate.
酸性結露水は処理水入口部４と処理槽２の間に
形成された沈澱槽７に流入し、遮蔽板８に衝突し
て流速がおそくなるため不溶性の腐蝕生成物や塵
埃、不完全燃焼物のカーボン等を沈澱させて除去
させた後、処理槽２に流入する。処理槽２はボデ
イー１に単数又は複数で形成され、その内部に塩
基性物質３を設置したものであり、流入側より順
次流出側へ流れを形成した酸性結露水は中和処理
水出口部５より排出される。また、塩基性物質３
と酸性結露水との化学反応によつて生成した不溶
性化合物によつて、流路が塞がれ目詰まりを起し
た場合に備えてバイパス流路６が設けられてい
る。なお、沈澱槽７における酸性結露水の流速を
処理水入口部４より小とするため、遮蔽板８を設
けている。 The acidic condensed water flows into the settling tank 7 formed between the treated water inlet 4 and the treatment tank 2, collides with the shielding plate 8 and slows down the flow rate, so that insoluble corrosion products, dust, and incompletely combusted substances are generated. After carbon and the like are precipitated and removed, it flows into the treatment tank 2. The treatment tank 2 is formed in one or more in the body 1 and has a basic substance 3 installed therein, and the acidic condensed water that has formed a flow from the inflow side to the outflow side is sent to the neutralized water outlet section 5. more excreted. In addition, basic substance 3
A bypass flow path 6 is provided in case the flow path becomes clogged and clogged by an insoluble compound produced by a chemical reaction between the water and the acidic condensed water. A shielding plate 8 is provided in order to make the flow rate of the acidic condensed water in the settling tank 7 smaller than that in the treated water inlet 4.
本発明の効果を第５図に示す処理装置で判定し
た。顕熱用熱交換器に鉛メツキをし、潜熱用熱交
換器に錫メツキをしたガス湯沸機の結露水（PH＝
3.0）に本発明の処理装置（第５図に示す処理機
構で水平に対して30゜の勾配の傾斜で使用する）
を応用すると、沈澱槽に不溶性の塩基性炭酸鉛
（顕熱用熱交換器の腐蝕生成物）、水酸化錫（潜熱
用熱交換器の腐蝕生成物）が沈澱した。また、こ
れらの不溶性腐蝕生成物は沈澱槽に大部分が沈澱
するため、沈澱槽より後流にある処理槽は不溶性
腐蝕生成物による目詰まりを起こさなかつた。ま
た、処理槽に、金属マグネシウム管（表面積360
cm2）を設置し、酸性結露水（PH＝3.0）を３ml／
分の流量で処理水入口部より流入させ、15℃の水
温で反応させると、処理水出口部よりPH＝7.2の
結露水が排出された。 The effects of the present invention were evaluated using the processing apparatus shown in FIG. Condensed water (PH=
3.0) The processing apparatus of the present invention (used at an angle of 30° with respect to the horizontal with the processing mechanism shown in Figure 5)
When this was applied, insoluble basic lead carbonate (a corrosion product of the sensible heat exchanger) and tin hydroxide (a corrosion product of the latent heat heat exchanger) were precipitated in the precipitation tank. Furthermore, since most of these insoluble corrosion products were precipitated in the settling tank, the treatment tank downstream from the settling tank was not clogged with the insoluble corrosion products. In addition, a metal magnesium tube (surface area 360
cm 2 ) and add 3ml/3.0ml of acidic condensation water (PH=3.0).
When the treated water was allowed to flow in from the inlet at a flow rate of 100 min and reacted at a water temperature of 15°C, condensed water with a pH of 7.2 was discharged from the treated water outlet.
本発明により、酸性結露水は目詰まりを起こす
ことなく確実に塩基性物質と反応して中和処理さ
れる。 According to the present invention, acidic dew condensation water is reliably reacted with a basic substance and neutralized without causing clogging.
第１図は従来の酸性結露水処理装置の断面図、
第２図、第３図は本発明の前提となる酸性結露水
処理装置の断面図、第４図、第５図は本発明の一
実施例における酸性結露水装置の断面図である。
１……ボデイー、２……処理槽、３……塩基性
物質、４……処理水入口部、６……バイパス流
路、７……沈澱槽、８……遮蔽板。
Figure 1 is a cross-sectional view of a conventional acidic condensation water treatment device.
FIGS. 2 and 3 are sectional views of an acidic condensation water treatment device that is a premise of the present invention, and FIGS. 4 and 5 are sectional views of an acidic condensation water treatment device in an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Body, 2... Treatment tank, 3... Basic substance, 4... Treated water inlet, 6... Bypass channel, 7... Sedimentation tank, 8... Shielding plate.
Claims (1)
処理槽の間に沈澱槽を形成した酸性結露水処理装
置。1. Acidic condensation water treatment equipment in which a basic substance is provided in the treatment tank and a settling tank is formed between the treated water inlet and the treatment tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56202717A JPS58104692A (en) | 1981-12-15 | 1981-12-15 | Apparatus for treating acidic condensed water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56202717A JPS58104692A (en) | 1981-12-15 | 1981-12-15 | Apparatus for treating acidic condensed water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58104692A JPS58104692A (en) | 1983-06-22 |
| JPS6220873B2 true JPS6220873B2 (en) | 1987-05-09 |
Family
ID=16461984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56202717A Granted JPS58104692A (en) | 1981-12-15 | 1981-12-15 | Apparatus for treating acidic condensed water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58104692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63188172U (en) * | 1987-05-26 | 1988-12-02 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6465297B2 (en) * | 2015-03-25 | 2019-02-06 | 一般財団法人上越環境科学センター | Collection pipe for groundwater drainage facility and method for preventing slime adhesion in drainage pipe for groundwater drainage facility |
-
1981
- 1981-12-15 JP JP56202717A patent/JPS58104692A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63188172U (en) * | 1987-05-26 | 1988-12-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58104692A (en) | 1983-06-22 |
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