JPH0371209U - - Google Patents
Info
- Publication number
- JPH0371209U JPH0371209U JP12915989U JP12915989U JPH0371209U JP H0371209 U JPH0371209 U JP H0371209U JP 12915989 U JP12915989 U JP 12915989U JP 12915989 U JP12915989 U JP 12915989U JP H0371209 U JPH0371209 U JP H0371209U
- Authority
- JP
- Japan
- Prior art keywords
- feed water
- water
- heat
- heating
- heat exchanger
- 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 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000002918 waste heat Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 3
- 239000008236 heating water Substances 0.000 claims 2
- 238000011084 recovery Methods 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000009834 vaporization Methods 0.000 claims 1
- 230000008016 vaporization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Air Supply (AREA)
Description
第１図は廃熱利用の給水加熱用熱交換装置主要
熱交換部の説明図（第１、第２実施態様）、第２
図は同上装置の発電所ボイラー燃焼用空気予熱部
の説明図（第１実施態様）、第３図は同上装置の
発電所ボイラー給水加熱部の説明図（第２実施態
様）、第４図は低温部では中間加熱用水を用いた
廃熱利用給水加熱用熱交換装置主要交換部の説明
図（第３実施態様）。
Figure 1 is an explanatory diagram of the main heat exchange section of a heat exchange device for heating feed water using waste heat (first and second embodiments);
The figure is an explanatory diagram of the power plant boiler combustion air preheating section of the above device (first embodiment), FIG. 3 is an explanatory diagram of the power plant boiler feed water heating section of the above device (second embodiment), and FIG. An explanatory diagram of the main exchange part of the heat exchange device for heating feed water using waste heat (third embodiment) using water for intermediate heating in the low temperature part.
Claims (1)
加熱用の熱交換器を置き、煙道より排ガスをこの
熱交換器に導き、排ガスの熱交換温度を１００度
以下に下げ、排ガス中の水蒸気を凝縮させてその
蒸発潜熱を利用し、給水の加熱を行うと同時に加
熱した給水により、発電所ボイラーの燃焼用空気
の加熱を行うようにした熱交換装置。 (2) 加熱した給水により発電所ボイラーの給水
加熱を行うようにした実用新案登録請求の範囲第
１項記載の熱交換装置。 (3) 廃熱回収用の熱交換器として、高温部では
通常の給水加熱用熱交換器を、排煙中の水蒸気が
多量に凝縮する低温部では、中性またはアルカリ
性の中間加熱用水を排ガスに直接接触させ、熱回
収の終わつた中間加熱用水を加熱の媒体とした給
水加熱用熱交換器を使用した実用新案登録請求範
囲第１項、第２項記載の熱交換装置。[Scope of Claim for Utility Model Registration] (1) A heat exchanger for heating feed water is installed in addition to the flue of the LNG thermal power plant, and the exhaust gas is guided from the flue to this heat exchanger to increase the heat exchange temperature of the exhaust gas. A heat exchange system that lowers the temperature to below 100 degrees, condenses the water vapor in the exhaust gas, and uses its latent heat of vaporization to heat the feed water.At the same time, the heated feed water heats the combustion air in the power plant boiler. Device. (2) The heat exchange device according to claim 1 of the utility model registration claim, which heats the feed water of a power plant boiler using heated feed water. (3) As a heat exchanger for waste heat recovery, a normal feed water heating heat exchanger is used in the high temperature section, and neutral or alkaline intermediate heating water is used in the low temperature section where a large amount of water vapor in the flue gas condenses. 2. A heat exchange device according to claims 1 and 2, which uses a feed water heating heat exchanger that is brought into direct contact with water and uses intermediate heating water from which heat recovery has been completed as a heating medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12915989U JPH0371209U (en) | 1989-11-06 | 1989-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12915989U JPH0371209U (en) | 1989-11-06 | 1989-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0371209U true JPH0371209U (en) | 1991-07-18 |
Family
ID=31676815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12915989U Pending JPH0371209U (en) | 1989-11-06 | 1989-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0371209U (en) |
-
1989
- 1989-11-06 JP JP12915989U patent/JPH0371209U/ja active Pending
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