JPH0435683Y2 - - Google Patents
Info
- Publication number
- JPH0435683Y2 JPH0435683Y2 JP1983078101U JP7810183U JPH0435683Y2 JP H0435683 Y2 JPH0435683 Y2 JP H0435683Y2 JP 1983078101 U JP1983078101 U JP 1983078101U JP 7810183 U JP7810183 U JP 7810183U JP H0435683 Y2 JPH0435683 Y2 JP H0435683Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- economizer
- exhaust gas
- exchanger unit
- case
- 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 15
- 238000009434 installation Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Description
【考案の詳細な説明】
〔産業上の利用分野〕
この考案は、小型貫流ボイラ等に使用する節炭
器に関するものである。[Detailed description of the invention] [Industrial field of application] This invention relates to a economizer used in small once-through boilers and the like.
ボイラ等に使用される節炭器においては、ボイ
ラの排ガスの顕熱を有効に利用すべく、露点温度
近くまで利用されているのが一般的である。この
ため、節炭器の熱交換部分は、低温腐食を防止す
るため、耐食性の優れた材料が使用される。とこ
ろが、従来の節炭器の熱交換器は一体構造であつ
たため、下記のような問題があつた。
In energy savers used in boilers and the like, in order to effectively utilize the sensible heat of exhaust gas from the boiler, it is common to utilize the temperature close to the dew point temperature. For this reason, materials with excellent corrosion resistance are used for the heat exchange part of the economizer to prevent low-temperature corrosion. However, because the heat exchanger of the conventional energy saver had an integral structure, there were the following problems.
(1) 熱交換部全体を耐食性の材料とする必要があ
り、高価な節炭器となる。(1) The entire heat exchange part must be made of corrosion-resistant material, making it an expensive energy saver.
(2) 一体構造で大型となるため、熱交換器の交換
自体非常に困難でコスト高となる。(2) Since it is a large integrated structure, replacing the heat exchanger itself is extremely difficult and expensive.
(3) 一体構造で大型となるため、設置スペース、
交換スペースが大きくなる。(3) Due to the large integrated structure, installation space and
The exchange space becomes larger.
この考案は、前記問題点に鑑みてなされたもの
で、設置スペースに対する熱交換率の向上を図る
とともに、構造簡単で安価な節炭器を提供するこ
とにある。
This invention was made in view of the above-mentioned problems, and aims to improve the heat exchange efficiency with respect to the installation space, and to provide a cost-saving device with a simple structure and low cost.
この考案は、前記課題を解決するためになされ
たもので、多数の水管を狭い間隔で並列に配し、
該各水管の両端を上下の管寄せでそれぞれ連結し
て熱交換器ユニツトを構成し、複数個の該熱交換
器ユニツトを上下方向に多段に設置するととも
に、各熱交換器ユニツトを連結管を介してそれぞ
れ直列に連結し、該複数段の熱交換器ユニツトを
上端と下端に開口部を有する節炭器ケース内に収
納し、該節炭器ケースの上端開口部を排ガスの導
入口とするとともに、前記下端開口部を排ガスの
排出口としたことを特徴としている。
This idea was made to solve the above problem, and it consists of arranging a large number of water pipes in parallel at narrow intervals.
A heat exchanger unit is constructed by connecting both ends of each water pipe with upper and lower headers, and a plurality of heat exchanger units are installed in multiple stages in the vertical direction, and each heat exchanger unit is connected to a connecting pipe. The heat exchanger units of the plurality of stages are housed in an economizer case having openings at the upper and lower ends, and the upper opening of the economizer case is used as an inlet for exhaust gas. Additionally, the lower end opening is used as an exhaust gas outlet.
以下、この考案の具体的一実施例を図面に基づ
いて詳細に説明する。図面は、この考案における
一実施例の縦断面説明図である。
Hereinafter, a specific embodiment of this invention will be described in detail based on the drawings. The drawing is an explanatory longitudinal cross-sectional view of one embodiment of this invention.
図面において、節炭器ケース５内には、複数個
の熱交換器ユニツト４，４，…が、同一方向に傾
斜した状態で上下方向に多段状に設置されてい
る。 In the drawing, inside the economizer case 5, a plurality of heat exchanger units 4, 4, .
各熱交換器ユニツト４は、それぞれ多数の水管
１，１，…を狭い間隔で並列に配し、その両端を
上下の管寄せ２，３で連結し、上下の管寄せ２，
３を連通した構造で、個々独立した熱交換器とし
ての機能を有している。この熱交換器ユニツト４
の出入口は、連結管６により、互いに他の熱交換
器ユニツト４の出入口とそれぞれ直列に連通して
いる。 Each heat exchanger unit 4 has a large number of water pipes 1, 1, .
It has a structure in which 3 are connected and functions as an independent heat exchanger. This heat exchanger unit 4
The inlets and outlets of the heat exchanger units 4 are connected in series with the inlets and outlets of other heat exchanger units 4 through connecting pipes 6, respectively.
さて、節炭器ケース５の上端には、排ガスの導
入口７となる開口部が設けられており、また節炭
器ケース５の下端には、排ガスの排出口８となる
開口部が設けられている、したがつて排ガスは節
炭器ケース５の上部より下部に向かつて流れるよ
うに構成されている。さらに、節炭器ケース５の
底部には、排ガス中の蒸気の凝縮水を排出する排
水口９が設けられている。 Now, the upper end of the economizer case 5 is provided with an opening that becomes the exhaust gas inlet 7, and the lower end of the economizer case 5 is provided with an opening that becomes the exhaust gas outlet 8. Therefore, the exhaust gas is configured to flow from the top to the bottom of the economizer case 5. Further, a drain port 9 is provided at the bottom of the economizer case 5 to discharge water condensed from the steam in the exhaust gas.
つぎに、前記構成の作用について説明する。水
は、節炭器ケース５内において、最下段の熱交換
器ユニツト４の入口より流入し、連結管６，６，
…を介して各熱交換器ユニツト４を通つて最上段
の熱交換器ユニツト４の出口より流出する。 Next, the operation of the above configuration will be explained. Water flows into the economizer case 5 from the inlet of the lowest heat exchanger unit 4, and connects the connecting pipes 6, 6,
..., passes through each heat exchanger unit 4, and flows out from the outlet of the uppermost heat exchanger unit 4.
ボイラ等による加熱後の排ガスは、節炭器ケー
ス５内へ導入口７より流入し、各熱交換器ユニツ
ト４の各水管１，１，…の隙間を通過し、排出口
８から節炭器ケース５外へ流出する。この際、排
ガスは、対流伝熱により各水管１内の水を加熱
し、排ガス自体は温度を低下する。この排ガス温
度は、最下段の熱交換器ユニツト４の付近では露
点近く、あるいはそれ以下に低下する。すると、
排ガス中の蒸気は凝縮し、各熱交換器ユニツト４
との接触、あるいは急激なガス流れの方向変換に
より分離され、排ガス中の亜硫酸ガスを含んで、
硫酸水溶液等の腐食水となり、最下段の熱交換器
ユニツト４をつたつて、節炭器ケース５の底部に
集水され、排水口９より排出される。 The exhaust gas heated by the boiler or the like flows into the economizer case 5 from the inlet 7, passes through the gaps between the water pipes 1, 1, ... of each heat exchanger unit 4, and exits the economizer from the outlet 8. It flows out of case 5. At this time, the exhaust gas heats the water in each water pipe 1 by convection heat transfer, and the temperature of the exhaust gas itself decreases. The exhaust gas temperature drops to near or below the dew point near the heat exchanger unit 4 at the lowest stage. Then,
The steam in the exhaust gas is condensed and transferred to each heat exchanger unit 4.
separated by contact with or a sudden change in the direction of the gas flow, including sulfur dioxide gas in the exhaust gas,
The corrosive water, such as an aqueous sulfuric acid solution, passes through the heat exchanger unit 4 at the lowest stage, collects at the bottom of the economizer case 5, and is discharged from the drain port 9.
以上のように、この考案によれば、つぎのよう
な効果がある。
As described above, this invention has the following effects.
(1) 熱交換器をユニツト化することにより、ユニ
ツト毎の取扱いが可能となり、保守、点検、交
換等の取扱いが容易である上、交換スペースが
非常に小さくなる。(1) By making the heat exchanger into a unit, it becomes possible to handle each unit, which makes maintenance, inspection, replacement, etc. easier, and the replacement space becomes extremely small.
(2) 各熱交換器ユニツトを上下方向に多段設置構
造とすることにより、設置スペースが非常に小
さく、上下方向の空間を有効利用したコンパク
トな構造である。(2) By installing each heat exchanger unit in multiple stages in the vertical direction, the installation space is extremely small, resulting in a compact structure that effectively utilizes the vertical space.
(3) 各熱交換器ユニツトは、直列に連結されるの
で、各水管内の流体流動の均一化が容易で、熱
交換率の向上を図ることができる。(3) Since each heat exchanger unit is connected in series, it is easy to equalize the fluid flow in each water pipe, and it is possible to improve the heat exchange efficiency.
(4) 排ガスを節炭器ケースの上部から下部に向か
つて流す構成であるので、腐食水の結露は最下
段の熱交換器ユニツトに止まり、上段に位置す
る熱交換器ユニツトには影響することがなく、
腐食水の結露の起こりやすい最下段の熱交換器
ユニツトのみを耐食性の材料とすることがで
き、節炭器の低コスト化を図ることができると
ともに、凝縮水の落下収集がきわめて容易であ
る。(4) Since the exhaust gas is configured to flow from the top to the bottom of the economizer case, condensation of corrosive water will stop at the lowest heat exchanger unit and will not affect the heat exchanger units located at the top. There is no
Only the lowest heat exchanger unit, where corrosive water tends to condense, can be made of a corrosion-resistant material, making it possible to reduce the cost of the economizer and making it extremely easy to collect falling condensed water.
したがつて、以上の諸効果により、この考案に
よれば、低コストで空間を有効利用した設置面積
の小さい節炭器を提供することができ、さらに設
置スペースに対する熱交換率を向上することがで
きるので、小型貫流ボイラ等の節炭器として頗る
効果的である。 Therefore, due to the above-mentioned effects, according to this invention, it is possible to provide a cost saving device with a small installation area that makes effective use of space at a low cost, and furthermore, it is possible to improve the heat exchange rate with respect to the installation space. Therefore, it is extremely effective as a energy saver for small once-through boilers, etc.
図面は、この考案における一実施例の縦断面説
明図である。
１……水管、２……上部管寄せ、３……下部管
寄せ、４……熱交換器ユニツト、５……節炭器ケ
ース、６……連結管、７……導入口、８……排出
口、９……排水口。
The drawing is an explanatory longitudinal cross-sectional view of one embodiment of this invention. 1... Water pipe, 2... Upper header, 3... Lower header, 4... Heat exchanger unit, 5... Economizer case, 6... Connecting pipe, 7... Inlet, 8... Drain port, 9...Drain port.
Claims (1)
し、該各水管１の両端を上下の管寄せ２，３でそ
れぞれ連結して熱交換器ユニツト４を構成し、複
数個の該熱交換器ユニツト４，４，…を上下方向
に多段に設置するとともに、各熱交換器ユニツト
４を連結管６，６，…を介してそれぞれ直列に連
結し、該複数段の熱交換器ユニツト４を上端と下
端に開口部を有する節炭器ケース５内に収納し、
該節炭器ケース５の上端開口部を排ガスの導入口
７とするとともに、前記下端開口部を排ガスの排
出口８としたことを特徴とする多段並列型節炭
器。 A large number of water pipes 1, 1, . The heat exchanger units 4, 4, . . . are installed in multiple stages in the vertical direction, and each heat exchanger unit 4 is connected in series via connecting pipes 6, 6, . is stored in an economizer case 5 having openings at the upper and lower ends,
A multistage parallel type economizer characterized in that the upper end opening of the economizer case 5 is used as an exhaust gas inlet 7, and the lower end opening is used as an exhaust gas outlet 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7810183U JPS59195307U (en) | 1983-05-23 | 1983-05-23 | Multistage parallel type economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7810183U JPS59195307U (en) | 1983-05-23 | 1983-05-23 | Multistage parallel type economizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59195307U JPS59195307U (en) | 1984-12-25 |
| JPH0435683Y2 true JPH0435683Y2 (en) | 1992-08-24 |
Family
ID=30208108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7810183U Granted JPS59195307U (en) | 1983-05-23 | 1983-05-23 | Multistage parallel type economizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195307U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582502A (en) * | 1981-06-26 | 1983-01-08 | 三浦工業株式会社 | Feedwater preheater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59144303U (en) * | 1983-03-11 | 1984-09-27 | 日本フア−ネス工業株式会社 | economizer |
-
1983
- 1983-05-23 JP JP7810183U patent/JPS59195307U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582502A (en) * | 1981-06-26 | 1983-01-08 | 三浦工業株式会社 | Feedwater preheater |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59195307U (en) | 1984-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102150001B (en) | Microchannel heat exchanger module design to reduce water entrapment | |
| JPH0435683Y2 (en) | ||
| CN103994458B (en) | Complex phase-change heat exchanger suitable in fired power generating unit | |
| US20070051359A1 (en) | Looped system fuel-fired fluid heating/storage device | |
| CN217015348U (en) | Horizontal forced circulation MVR equipment of two processes | |
| CN215766623U (en) | Three-tube plate heat exchanger | |
| CN2444189Y (en) | Clausilium type heat energy recover using flue gas cooling | |
| JP4570187B2 (en) | Exhaust gas heat exchanger | |
| CN108709437B (en) | Dirty nitrogen heater tube box structure and use method | |
| CN208398690U (en) | A kind of electrolytic aluminum smoke UTILIZATION OF VESIDUAL HEAT IN desulfurization disappears white device | |
| CN208653270U (en) | Waste nitrogen heater channel structure | |
| CN206739269U (en) | Improved cooling coal economizer for power stations | |
| CN206897099U (en) | A kind of combustion gas dehumidification system | |
| CN220119352U (en) | WNS micro-superheated steam boiler and heating system thereof | |
| CN208418784U (en) | A kind of novel waste heat recyclable device | |
| CN218936408U (en) | Combined air preheater | |
| CN220852605U (en) | Corrosion-resistant gas heating system | |
| CN213748016U (en) | High-efficient flue gas heat transfer device | |
| CN100414220C (en) | Automatic gas-liquid separation condenser for central air conditioning unit | |
| CN2867260Y (en) | Separating type heat pipe heat exchanger for heat transfering of flue gas desulfurizing | |
| JPS589090Y2 (en) | condenser | |
| JP2001153588A (en) | Method for blowing soot of heat exchanger for exhaust gas | |
| JP2015059709A (en) | Exhaust heat recovery system | |
| JP4748900B2 (en) | Water tube boiler | |
| JPH0227348Y2 (en) |