JPH04203890A - Noncondensible gas discharge method for heat exchanger - Google Patents
Noncondensible gas discharge method for heat exchangerInfo
- Publication number
- JPH04203890A JPH04203890A JP33655390A JP33655390A JPH04203890A JP H04203890 A JPH04203890 A JP H04203890A JP 33655390 A JP33655390 A JP 33655390A JP 33655390 A JP33655390 A JP 33655390A JP H04203890 A JPH04203890 A JP H04203890A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- heat storage
- storage device
- heat
- temperature
- 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
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005338 heat storage Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 230000001568 sexual effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000009529 body temperature measurement Methods 0.000 abstract 2
- 230000020169 heat generation Effects 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、熱輸送に蒸気を用いた熱交換装置の内部で発
生した不凝縮性ガスの排出方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for discharging noncondensable gas generated inside a heat exchange device that uses steam for heat transport.
〔従来の技術とその課題］
、 熱輸送に蒸気を用いた熱交換装置は、蒸気発生装
置（蒸発器）と熱交換器（凝縮器）を蒸気系配管と液系
配管で連結したもので分離型ヒートパイプ式熱交換器と
して知られている。[Conventional technology and its issues] A heat exchange device that uses steam for heat transport is a system in which a steam generator (evaporator) and a heat exchanger (condenser) are connected by steam system piping and liquid system piping, and are separated. It is known as a type heat pipe heat exchanger.
この種の熱交換装置は、蒸気発生装置、熱交換器、配管
などは、鋼材で製作されており、また熱媒体として水を
用いるため化学反応により水素を発生する。さらに製作
当初における吸着空気等が使用中に不凝縮性ガスとして
存在し、熱輸送を阻害する。In this type of heat exchange device, the steam generator, heat exchanger, piping, etc. are made of steel, and since water is used as a heat medium, hydrogen is generated through a chemical reaction. Furthermore, adsorbed air and the like at the time of manufacture exist as non-condensable gas during use, impeding heat transport.
この不凝縮性ガスの除去装置として例えば実開昭６２−
７０２７４号がある。これは不凝縮性ガスの除去用とし
てヒートパイプを設け、また既管群にガス放出管および
温度計測装置を設け、不凝縮性ガスをハツチ式に移動さ
せ排出し、或いはタイマーを用いて一定周期で排出する
ものである。For example, as a device for removing this noncondensable gas,
There is No. 70274. This is done by installing a heat pipe to remove non-condensable gas, and by installing a gas discharge pipe and a temperature measuring device in the existing pipe group, and moving and discharging non-condensable gas in a hatch type, or by using a timer to discharge the non-condensable gas at regular intervals. It is something that is discharged.
しかし上記装置によると、不凝縮性ガス除去用ヒートパ
イプを別途に設けることになり、設備費が増加すると共
にハツチ式であることから制御が複雑となる。またタイ
マーを用いた場合には、不凝縮性ガス発生量に経時変化
があった場合や外部からのリークがあった場合には熱交
換器の機能を維持することが困難となる。However, according to the above-mentioned apparatus, a heat pipe for removing non-condensable gas is separately provided, which increases equipment costs and complicates control since it is a hatch type. Furthermore, when a timer is used, it becomes difficult to maintain the function of the heat exchanger if there is a change over time in the amount of noncondensable gas generated or if there is a leak from the outside.
〔発明が解決しようとする課題］
本発明は、上記の問題について検討の結果なされたもの
で、比較的簡単な方法により連続的に熱交換装置の不凝
縮性ガスを排出する方法を開発したものである。[Problems to be Solved by the Invention] The present invention was made as a result of studies on the above-mentioned problems, and is a development of a method for continuously discharging non-condensable gas from a heat exchange device using a relatively simple method. It is.
〔課題を解決するための手段および作用〕本発明は、蒸
気発生装置、熱交換器、蓄熱装置およびこれらを連結す
る蒸気系配管と液系配管からなる熱交換装置であって、
前記蓄熱装置の上部に不凝縮性ガスのガス溜め部を設け
ると共に、ガス溜め部および蓄熱装置に温度測定装置を
設け、前記ガス溜め部と蓄熱装置の温度差を検知して不
凝縮性ガスを排出することを特徴とする熱交換装置の不
凝縮性ガス排出方法である。[Means and effects for solving the problems] The present invention is a heat exchange device consisting of a steam generator, a heat exchanger, a heat storage device, and a steam system piping and a liquid system piping that connect these,
A gas reservoir for non-condensable gas is provided in the upper part of the heat storage device, and a temperature measuring device is provided in the gas reservoir and the heat storage device to detect the temperature difference between the gas reservoir and the heat storage device to detect the non-condensable gas. This is a method for discharging noncondensable gas from a heat exchange device, characterized by discharging noncondensable gas.
すなわち本発明は、蒸気発生装置、熱交換器、蓄熱装置
およびこれらを連結する７気系配管と液系配管からなる
熱交換装置の前記蓄熱装置を熱交換装置系全体の最上部
に設け、そしてその蓄熱装置の上部に不凝縮性ガスのガ
ス溜め部を設け、このガス溜め部と蓄熱装置内の温度差
を検知し、不凝縮性ガスを排出する方法である。蒸気発
注装置、熱交換器、および配管系に存在する不凝縮性ガ
スは蒸気の流れと共に移動し、最終的には熱交換装置系
全体の最上部に位置する蓄熱装置の先端のガス溜め部に
集中する。That is, the present invention provides the heat storage device of a heat exchange device consisting of a steam generator, a heat exchanger, a heat storage device, and seven gas system pipes and liquid system pipes that connect these, at the top of the entire heat exchange system, and This is a method in which a gas reservoir for non-condensable gas is provided above the heat storage device, the temperature difference between this gas reservoir and the inside of the heat storage device is detected, and the non-condensable gas is discharged. Non-condensable gases present in the steam ordering equipment, heat exchanger, and piping system move with the steam flow and eventually reach the gas reservoir at the tip of the heat storage device located at the top of the entire heat exchange equipment system. concentrate.
本発明においては、蓄熱装置を最上部に設けて、蓄熱の
本来の目的を果すと同時に不凝縮性ガスが装置の最上部
に集中する性質を利用して、ガスの排出をさせるもので
ある。In the present invention, the heat storage device is provided at the top to fulfill the original purpose of heat storage, and at the same time, utilizes the property that non-condensable gas concentrates at the top of the device to discharge the gas.
このため前記のガス溜め部は蓄熱装置の先端に設けてガ
スが溜り易いようにする。またガス溜め部に不凝縮性ガ
スが溜ると、この部分の温度が蓄熱装置内の温度より低
下するので、ガス溜め部と蓄熱装置内に設けた温度測定
装置により両者の温度を検知し、ガスの有無を判別して
排出する。For this reason, the gas reservoir is provided at the tip of the heat storage device so that gas can easily accumulate therein. Additionally, when non-condensable gas accumulates in the gas reservoir, the temperature of this area will drop below the temperature inside the heat storage device. It is determined whether there is a substance or not and discharged.
このガスの排出には、ガス溜め部に排出ノズルを設ける
と共に外部信号により開閉する排出弁を上記の温度測定
装置と組合せて設は連動させることにより自動的に、か
つ、連続的にガスの排出が可能となる。また本発明は、
前記のガス溜め部以降のガス排出部の圧力を蓄熱装置内
の圧力よりも低圧状態にすることによりガスの排出が一
層容易となる。低圧にする手段としては真空ポンプ、水
封ポンプ、アスピレータ−などがある、特にアスピレー
タ−と水ポンプを組合せたものは、真空ポンプ方式のよ
うに水分を吸引したときに生しる故障がなく、また水封
ポンプ方式のように新しい水を必要としないので有効で
ある。To discharge this gas, a discharge nozzle is installed in the gas reservoir, and a discharge valve that opens and closes in response to an external signal is connected to the temperature measuring device described above to automatically and continuously discharge the gas. becomes possible. Moreover, the present invention
By setting the pressure of the gas discharge section after the gas reservoir section to a lower pressure state than the pressure inside the heat storage device, gas discharge becomes easier. Vacuum pumps, water ring pumps, aspirators, etc. are available as means for achieving low pressure.In particular, combinations of aspirators and water pumps do not have the problems that occur when moisture is sucked in, unlike vacuum pump systems. It is also effective because it does not require fresh water unlike the water ring pump system.
さらに本発明は熱交換装置系内が常圧の場合および熱交
換装置系内を脱気密閉し、全体をヒートパイプ化した装
置においても有効に作用するものである。Furthermore, the present invention is effective in cases where the inside of the heat exchange system is at normal pressure, and also in an apparatus in which the inside of the heat exchange system is degassed and sealed, and the entire system is made into a heat pipe.
〔実施例］ 以下に本発明の一実施例について説明する。〔Example] An embodiment of the present invention will be described below.
第１図に示すように、ボイラー或は廃熱など熱源による
蒸気発生装置（１）と空調ユニットなどの熱交換器（２
）、および蓄熱装置（３）などを連結する蒸気系配管（
４）と液系配管（５）はあらかじめ脱気を行い密閉状態
にしである。As shown in Figure 1, there is a steam generator (1) using a heat source such as a boiler or waste heat, and a heat exchanger (2) such as an air conditioning unit.
), and steam system piping (
4) and the liquid system piping (5) are degassed in advance and kept in a sealed state.
廃熱などの熱源により蒸気発生装置（１）より供給され
た蒸気は、１気系配管（４）を通して熱交換器（２）に
入り空気を加熱し、蒸気は冷却されて水となり液系配管
（５）を通って蒸気発生装置へ還流する。Steam supplied from the steam generator (1) using a heat source such as waste heat enters the heat exchanger (2) through the 1-air system piping (4) and heats the air, and the steam is cooled and turns into water to the liquid system piping. (5) and reflux to the steam generator.
一方、余剰の蒸気は蓄熱装置に蓄えられ、蒸気発生装置
の供給が足りないときに熱交換器へ供給される。On the other hand, surplus steam is stored in a heat storage device and supplied to the heat exchanger when the supply of steam generator is insufficient.
このような作動中に発生した不凝縮性ガスは、蒸気の移
動により装置の最上部に設けられた蓄熱装置の先端のガ
ス溜め部（６）に集中して溜まる。そこで、このガス溜
め部と蓄熱装置の内部に設けられた温度測定装置（７）
により温度を検知する。実験によれば蒸気発生装置の作
動液（８）を水とし、蓄熱装置内の蒸気の温度が８５℃
のとき、ガス溜め部にガスが溜まると、この部分の温度
は約８０°Ｃに低下する。したがって、この温度の低下
をみてガスを排出する。このガスの排出には、ガス溜め
部に連通した排出ノズル（９）と温度測定装置（７）を
外部信号（１０）により開閉する排出弁（１１）を設け
、前記の温度差を検知して自動的にガスを排出する。The noncondensable gas generated during such operation concentrates and accumulates in the gas reservoir (6) at the tip of the heat storage device provided at the top of the device due to the movement of steam. Therefore, a temperature measuring device (7) installed inside this gas reservoir and heat storage device.
Detects temperature. According to experiments, the working fluid (8) of the steam generator is water, and the temperature of the steam in the heat storage device is 85°C.
When gas accumulates in the gas reservoir, the temperature of this area drops to about 80°C. Therefore, the gas is discharged when this temperature decreases. To discharge this gas, a discharge valve (11) is provided that opens and closes a discharge nozzle (9) communicating with the gas reservoir and a temperature measuring device (7) using an external signal (10), and detects the temperature difference. Automatically exhaust gas.
また、この際前記の排出ノズル以陳のガス排出部の圧力
を蓄熱装置内の圧力より低下させるためにトラップ（１
２）を設け、これに真空ポンプ（１３）或いはアスピレ
ータ（１４）を設けて排出ノズル以降の圧力を低下させ
ることによりガス排出が一層効果的にできるようにした
。圧力を低下させる方法としては第２図に示すようにア
スピレータ（１４）を水ポンプ（１５）により作動させ
ることにより効率的に減圧することができる。なお蓄熱
装置にヒーターなどの加熱手段を付けて加熱することも
できる。At this time, a trap (1
2), and a vacuum pump (13) or aspirator (14) is provided thereto to reduce the pressure after the discharge nozzle, thereby making it possible to more effectively discharge the gas. As a method for reducing the pressure, as shown in FIG. 2, the aspirator (14) is operated by a water pump (15) to efficiently reduce the pressure. It is also possible to heat the heat storage device by attaching a heating means such as a heater.
このように本発明は、熱交換装置の最上部に蓄熱装置を
設け、蓄熱の作用をなすと共に不凝縮性ガスをその先端
に設けたガス溜め部に集中するように溜め、この温度を
検知することにより排出するようにしたもので、連続的
、かつ自動的に効率よく不凝縮性ガスの排出ができるも
のである。In this way, the present invention provides a heat storage device at the top of the heat exchange device, which functions to store heat, and collects non-condensable gas so as to be concentrated in a gas reservoir provided at the tip of the device, and detects the temperature of the heat storage device. The non-condensable gas can be discharged continuously and automatically and efficiently.
以上に説明したように本発明によれば熱交換装置に発生
する不凝縮性ガスを効率的に排出でき、熱交換器の熱効
率の低下を防止できるもので工業上顕著な効果を奏する
ものである。As explained above, according to the present invention, non-condensable gas generated in a heat exchange device can be efficiently discharged, and a decrease in thermal efficiency of the heat exchanger can be prevented, which has a remarkable effect industrially. .
第１図は本発明の一実施例を示した説明図、第２図は本
発明に係る減圧方法を示した説明図である。
１・・・蒸気発生装置、 ２・・・熱交換器、 ３・・
・蓄熱装置、 ４・・・蒸気系配管、 ５・・・液系配
管。FIG. 1 is an explanatory diagram showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing a pressure reduction method according to the present invention. 1... Steam generator, 2... Heat exchanger, 3...
- Heat storage device, 4... Steam system piping, 5... Liquid system piping.
Claims (4)
を連結する蒸気系配管と液系配管からなる熱交換装置で
あって、前記蓄熱装置の上部に不凝縮性ガスのガス溜め
部を設けると共に、ガス溜め部および蓄熱装置に温度測
定装置を設け、前記ガス溜め部と蓄熱装置の温度差を検
知して不凝縮性ガスを排出することを特徴とする熱交換
装置の不凝縮性ガス排出方法。(1) A heat exchange device consisting of a steam generator, a heat exchanger, a heat storage device, and steam system piping and liquid system piping that connect these, wherein a gas reservoir for non-condensable gas is provided above the heat storage device. and non-condensable gas discharge from a heat exchange device, characterized in that a temperature measuring device is provided in the gas reservoir and the heat storage device, and the non-condensable gas is discharged by detecting the temperature difference between the gas reservoir and the heat storage device. Method.
に外部信号により開閉する排出弁を設けて不凝縮性ガス
を排出することを特徴とする請求項１記載の熱交換装置
の不凝縮性ガス排出方法。(2) The non-condensable gas of the heat exchange device according to claim 1, wherein the gas reservoir is provided with a gas discharge nozzle and a discharge valve that opens and closes in response to an external signal to discharge the non-condensable gas. Discharge method.
装置内の圧力より低圧状態にして不凝縮性ガスを排出す
ることを特徴とする請求項１また２記載の熱交換装置の
不凝縮性ガス排出方法。(3) The non-condensable heat exchange device according to claim 1 or 2, characterized in that the non-condensable gas is discharged by setting the pressure of the gas discharge section after the discharge nozzle to a lower pressure than the pressure inside the heat storage device. How to expel sexual gas.
れらを連結する蒸気系配管と液系配管は、脱気して密閉
状態の熱交換装置であることを特徴とする請求項１、２
または３記載の熱交換装置の不凝縮性ガス排出方法。(4) Claims 1 and 2 characterized in that the steam generator, heat exchanger, heat storage device, and the steam system piping and liquid system piping that connect these are deaerated and sealed heat exchange devices.
Or the method for discharging noncondensable gas from a heat exchange device according to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33655390A JPH04203890A (en) | 1990-11-30 | 1990-11-30 | Noncondensible gas discharge method for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33655390A JPH04203890A (en) | 1990-11-30 | 1990-11-30 | Noncondensible gas discharge method for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04203890A true JPH04203890A (en) | 1992-07-24 |
Family
ID=18300330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33655390A Pending JPH04203890A (en) | 1990-11-30 | 1990-11-30 | Noncondensible gas discharge method for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04203890A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002122389A (en) * | 2000-01-14 | 2002-04-26 | Tlv Co Ltd | Steam heater |
| CN100392327C (en) * | 2005-04-15 | 2008-06-04 | 张可彩 | Domestic gas heating system |
-
1990
- 1990-11-30 JP JP33655390A patent/JPH04203890A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002122389A (en) * | 2000-01-14 | 2002-04-26 | Tlv Co Ltd | Steam heater |
| JP4583610B2 (en) * | 2000-01-14 | 2010-11-17 | 株式会社テイエルブイ | Steam heating device |
| CN100392327C (en) * | 2005-04-15 | 2008-06-04 | 张可彩 | Domestic gas heating system |
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