JPH0345819A - Apparatus for space heating - Google Patents
Apparatus for space heatingInfo
- Publication number
- JPH0345819A JPH0345819A JP18092389A JP18092389A JPH0345819A JP H0345819 A JPH0345819 A JP H0345819A JP 18092389 A JP18092389 A JP 18092389A JP 18092389 A JP18092389 A JP 18092389A JP H0345819 A JPH0345819 A JP H0345819A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- liquid
- connection pipe
- evaporator
- liquid receiver
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 239000012071 phase Substances 0.000 abstract description 18
- 239000007791 liquid phase Substances 0.000 abstract description 16
- 238000009833 condensation Methods 0.000 abstract description 7
- 230000005494 condensation Effects 0.000 abstract description 7
- 239000012808 vapor phase Substances 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Central Heating Systems (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はフロン系冷媒の潜熱を利用した重力利用の自然
循環型の暖房装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a gravity-based natural circulation type heating device that utilizes the latent heat of a fluorocarbon refrigerant.
従来の技術
従来のこの種の暖房装置としては例えば第２図に示すよ
うに構成されたものが知られている。以下、図面に基づ
き説明すると、この従来の暖房装置は蒸発器１と凝縮器
２と受液器３とを投け、前記受液器３は前記凝縮器２の
冷媒出口と前記蒸発器１１の冷媒入口の接続配管途中に
設けて構成されてかり、液冷媒は前記蒸発器１で加ｐｐ
！されて蒸発作用で液相から気相へ変化し、気相で前記
凝、縮器２に流入し、ここで放熱して凝縮作用により気
相から液相に変化し、その際の凝縮熱で暖房する。2. Description of the Related Art As a conventional heating device of this type, for example, one constructed as shown in FIG. 2 is known. Hereinafter, referring to the drawings, this conventional heating system includes an evaporator 1, a condenser 2, and a liquid receiver 3. It is arranged in the middle of the connecting pipe of the refrigerant inlet, and the liquid refrigerant is added pp.
! The liquid phase changes from the liquid phase to the gas phase due to the evaporation action, and the gas phase flows into the condenser 2 where it radiates heat and changes from the gas phase to the liquid phase due to the condensation action. Heat up.
そして、液相となった冷媒は受液器３に流入し、ここで
気液分離が！実になされ、液相のみ前記蒸発器１に流入
するようになっていた７
発明が解決しようとする課題
しかしながら上記のような構咬では、蒸発器１の出口の
冷媒状態は気液２相冷媒あるいは過熱ガス冷媒と不安定
であシ、特に加熱源が高温の燃焼器の場合には過熱ガス
冷媒となると冷媒側熱伝達率が低いため、異常温度上昇
が生じ冷媒の分解、劣化となシ、配管内部腐食によυ機
器の信頼性が欠けるという問題があった。Then, the refrigerant that has become a liquid phase flows into the liquid receiver 3, where gas-liquid separation occurs! Problems to be Solved by the Invention However, in the above configuration, the state of the refrigerant at the outlet of the evaporator 1 is either a gas-liquid two-phase refrigerant or a two-phase refrigerant. It is unstable with superheated gas refrigerant, especially when the heating source is a high-temperature combustor, and the heat transfer coefficient on the refrigerant side is low when it comes to superheated gas refrigerant, resulting in abnormal temperature rise and decomposition and deterioration of the refrigerant. There was a problem that the reliability of the υ equipment was lacking due to internal corrosion of the piping.
本発明はこのような課題を解決するもので、機器の信頼
性および熱効率の向上を図ることを目的とするものであ
る。The present invention solves these problems and aims to improve the reliability and thermal efficiency of equipment.
課題を解決するための手段
この課題を解決するために本発明は、冷媒を蒸発させる
蒸発器と、受液器と、冷媒を凝縮させる凝縮器とを設け
、前記蒸発器の冷媒出口と受液器とを連結する第１の接
続管と、前記蒸発器の冷媒入口と受液器とを連結する第
２の接続管と、前記受液器と前記凝縮器の冷媒入口とを
連結する第３の接続管と、前記凝縮器の冷媒出口と前記
第２の接続管とを連結する第４の接続管とを備えてなる
ものである。Means for Solving the Problems In order to solve this problem, the present invention provides an evaporator for evaporating a refrigerant, a liquid receiver, and a condenser for condensing the refrigerant, and a refrigerant outlet of the evaporator and a liquid receiver are provided. a first connecting pipe connecting the refrigerant inlet of the evaporator and the liquid receiver; a third connecting pipe connecting the liquid receiver and the refrigerant inlet of the condenser; and a fourth connecting pipe that connects the refrigerant outlet of the condenser and the second connecting pipe.
作用
この構成により、蒸発器出口は絶えず気液２相冷媒とな
るようにして、冷媒の分解、劣化を防止するようにして
あり、その作用は、蒸発器から出た冷媒は第１の接続管
を通って受液器に流入する。Function: With this configuration, the evaporator outlet is always a gas-liquid two-phase refrigerant to prevent decomposition and deterioration of the refrigerant. into the receiver.
そして、ここで気相と液相に分離され、液相は第２の接
続管を介して蒸発器の冷媒入口に流入する。Here, it is separated into a gas phase and a liquid phase, and the liquid phase flows into the refrigerant inlet of the evaporator via the second connecting pipe.
よって、受液器内部で気液分離された液面より下に位置
する系は必ず液相状態となっているため、蒸発器の冷媒
出口では液相の中を加熱されて蒸発した気相冷媒が流出
することになる。いわゆる気液２相の冷媒状態となり、
冷媒熱伝達率も高いため、熱効率も良くなる。一方、受
液器で分離された気相冷媒は第３の接続管を通って凝縮
器に流入し、ここで放熱して凝縮米化する７、その凝縮
熱で暖房する。また、凝縮液化した冷媒は第４の接続管
を通って、受液器と蒸発器の冷媒入口を連結する液冷媒
の第２の接続管と合流するようになっている。Therefore, the system located below the liquid level where gas and liquid have been separated inside the liquid receiver is always in a liquid phase state, so at the refrigerant outlet of the evaporator, the gas phase refrigerant is heated and evaporated in the liquid phase. will flow out. It becomes a so-called gas-liquid two-phase refrigerant state,
Since the refrigerant heat transfer coefficient is also high, thermal efficiency is also improved. On the other hand, the gas phase refrigerant separated in the liquid receiver flows into the condenser through the third connecting pipe, where it radiates heat and condenses into rice (7), which provides heating with the heat of condensation. Further, the condensed and liquefied refrigerant passes through a fourth connecting pipe and joins a second connecting pipe for liquid refrigerant that connects the receiver and the refrigerant inlet of the evaporator.
実施例
以下、本発明の一実施例について、図面に基づいて説明
する。EXAMPLE Hereinafter, an example of the present invention will be described based on the drawings.
第１図において、本実施例の暖房装置は冷媒の蒸発作用
を行なう蒸発器１１と、冷媒を気相と液相に分離すると
ともに液冷媒４貯える受液器１２と、冷媒の凝縮作用に
よう暖房を行なう凝縮器１３とを備え、前記蒸発器１１
の冷媒出口と前記受液器１２ｔ−第１の接続管１４で連
結している。また、前記蒸発器１１（２）冷媒入口と前
記受液器１２とを第２の接続管１５で連結し、前記受液
器１２から液冷媒を前記蒸発器１１の冷媒入口へ流すよ
うになっている。前記受液器１２と前記凝縮器１３の冷
媒入口とを第３の接続管１６で連結して）シ、前記受液
器１２で分離された気相冷媒ｔ−凝縮器１３に流すよう
になっている。また、前記凝縮器１３の冷媒出口と前記
第２の接続管１５とを第４の接続管１７で連結している
。なか、１８は燃焼器で、前記蒸発器１１の冷媒を加熱
するものである。In FIG. 1, the heating device of this embodiment includes an evaporator 11 that performs the evaporation action of refrigerant, a liquid receiver 12 that separates the refrigerant into a gas phase and a liquid phase and stores liquid refrigerant 4, and a receiver 12 that performs the action of condensing the refrigerant. and a condenser 13 for heating, and the evaporator 11
The liquid receiver 12t is connected to the refrigerant outlet of the liquid receiver 12t by a first connecting pipe 14. Further, the refrigerant inlet of the evaporator 11 (2) and the liquid receiver 12 are connected by a second connecting pipe 15, so that the liquid refrigerant flows from the liquid receiver 12 to the refrigerant inlet of the evaporator 11. ing. The liquid receiver 12 and the refrigerant inlet of the condenser 13 are connected by a third connecting pipe 16), so that the vapor phase refrigerant separated by the liquid receiver 12 flows into the condenser 13. ing. Further, the refrigerant outlet of the condenser 13 and the second connecting pipe 15 are connected by a fourth connecting pipe 17. Among them, 18 is a combustor that heats the refrigerant in the evaporator 11.
次に上記構成における動作について説明する。Next, the operation in the above configuration will be explained.
前記蒸発器１１の液冷媒は前記燃焼器絽で加熱されて蒸
発し、気液２相状態で前記第１の接続管１４１に通って
前記受液器１２に流入する。そして、ここで気相冷媒と
液相冷媒に分離され、液相冷媒は前記受液器１２の下部
に溜まり、前記第２の接続管１５を介して前記蒸発器１
１へ流入する。一方、前記受液器１２で気液分離された
気相冷媒は前記第３の接続管１６を通って、前記凝縮器
１３に流入し、ここで放熱して凝縮液化する。その際の
凝縮熱で暖房する。The liquid refrigerant in the evaporator 11 is heated and evaporated in the combustor, and flows into the liquid receiver 12 through the first connecting pipe 141 in a gas-liquid two-phase state. Here, the refrigerant is separated into a gas phase refrigerant and a liquid phase refrigerant, and the liquid phase refrigerant accumulates in the lower part of the receiver 12 and passes through the second connecting pipe 15 to the evaporator
1. On the other hand, the gas phase refrigerant separated into gas and liquid in the liquid receiver 12 passes through the third connecting pipe 16 and flows into the condenser 13, where it radiates heat and is condensed and liquefied. The heat of condensation is used to heat the room.
そして、凝縮液化した冷媒は第４の接続管１７を、介し
て前記第２の接続管１５と合流し、１サイクシとなる。Then, the condensed and liquefied refrigerant merges with the second connecting pipe 15 through the fourth connecting pipe 17, and becomes one cycle.
ここで、系内の冷媒封入量が減少しても、前記受液器１
２の内部液面の変動が生じるだけであシ、たえず前記受
液器１２の液面より下に位置する系は必ず液相状態とな
り、前記蒸発器１１の冷媒出口は異常温度上昇も生じる
こともない。よって、冷媒の熱分解、劣化による配管の
腐食なども危く、機器の信頼性が向上する。また、前記
蒸発器１１の冷媒出口は熱伝達率が非常に高い２相域で
あるため、燃焼器１８からの吸熱量も大きく熱効率も良
くなる。Here, even if the amount of refrigerant sealed in the system decreases, the liquid receiver 1
However, the system located below the liquid level of the liquid receiver 12 is always in a liquid phase state, and an abnormal temperature rise occurs at the refrigerant outlet of the evaporator 11. Nor. Therefore, there is no risk of corrosion of the pipes due to thermal decomposition and deterioration of the refrigerant, and the reliability of the equipment is improved. Furthermore, since the refrigerant outlet of the evaporator 11 is in a two-phase region with a very high heat transfer coefficient, the amount of heat absorbed from the combustor 18 is large, and the thermal efficiency is also improved.
発明の効果
以上のように本発明によれば、蒸発器、受液器、凝縮器
とを設け、前記蒸発器の冷媒出口と受液器とを連結する
第１の接続管と、前記蒸発器の冷媒入口と前記受液器と
を連結する第２の接続管と、前記受液器と前記凝縮器の
冷媒入口とを連結する第３の接続管と、前記凝縮器の冷
媒出口と前記第２の接続管とを連結する第４の接続管と
で構成しているため、前記蒸発器から出た冷媒は前記第
１の接続管を通υ前記受液器に流入し、気液分離されて
気相は前記第３の接続管を通って前記凝Ｈ器に流入し、
ここで放熱して凝縮液化し、その際の凝縮熱で暖房する
。また、液化した冷媒は第４の接続管を通り前記第２の
接続管の液冷媒と合流し、前記蒸発器に流入する。一方
、前記受液器で気液分離された液冷媒は前記受液器下部
に溜まシ、前記第２の接続管を通や前記蒸発器に流入す
る。よって、前記受液器内部の液面より下に位置する系
内は必ず液相状態となり、前記蒸発器の冷媒出口では液
相の中１−蒸発した気相冷媒が流出することになるため
、異常な温度上昇もなく、冷媒の熱分解、劣化による配
管の腐食現象も生じないため、機器のＭ頼性金向上させ
ることができる。ｆた、冷媒熱伝達率も高い気液２相域
で吸熱するため、熱効率も良い。Effects of the Invention As described above, according to the present invention, an evaporator, a liquid receiver, and a condenser are provided, and a first connecting pipe connecting the refrigerant outlet of the evaporator and the liquid receiver, and the evaporator a second connecting pipe connecting the refrigerant inlet of the liquid receiver and the liquid receiver; a third connecting pipe connecting the liquid receiver and the refrigerant inlet of the condenser; and a third connecting pipe connecting the refrigerant outlet of the condenser and the liquid receiver; and a fourth connecting pipe that connects the second connecting pipe, the refrigerant coming out of the evaporator flows into the liquid receiver through the first connecting pipe and is separated into gas and liquid. the gas phase flows into the condenser through the third connecting pipe;
Here, heat is released, condensing and liquefying, and the heat of condensation is used to heat the room. Further, the liquefied refrigerant passes through the fourth connecting pipe, joins with the liquid refrigerant in the second connecting pipe, and flows into the evaporator. On the other hand, the liquid refrigerant separated into gas and liquid by the liquid receiver accumulates in the lower part of the liquid receiver, and flows into the evaporator through the second connecting pipe. Therefore, the inside of the system located below the liquid level inside the liquid receiver will always be in a liquid phase state, and at the refrigerant outlet of the evaporator, the vapor phase refrigerant that has evaporated from the liquid phase will flow out. Since there is no abnormal temperature rise and no piping corrosion due to thermal decomposition or deterioration of the refrigerant occurs, the reliability of the equipment can be improved. Furthermore, heat is absorbed in a gas-liquid two-phase region where the refrigerant heat transfer coefficient is high, so thermal efficiency is also good.
第１図は本発明の一実施例にしける暖房装置の冷媒回路
図、第２図は従来のＷｋ房装置の冷媒回路図である。
１１・・・蒸発器、１２・・・受液器、１３・・・凝縮
器、１４・・・第１の接続管、１５・・・第２の接続管
、１６・・・第３の接続管、１７・・・第４の接続管、
１８・・・燃焼器。FIG. 1 is a refrigerant circuit diagram of a heating device according to an embodiment of the present invention, and FIG. 2 is a refrigerant circuit diagram of a conventional Wk room device. DESCRIPTION OF SYMBOLS 11... Evaporator, 12... Liquid receiver, 13... Condenser, 14... First connection pipe, 15... Second connection pipe, 16... Third connection pipe, 17... fourth connecting pipe,
18...Combustor.
Claims (1)
させる凝縮器とを設け、前記蒸発器の冷媒出口と受液器
とを連結する第１の接続管と、前記蒸発器の冷媒入口と
受液器とを連結する第２の接続管と、前記受液器と前記
凝縮器の冷媒入口とを連結する第３の接続管と、前記凝
縮器の冷媒出口と前記第２の接続管とを連結する第４の
接続管とを備えてなる暖房装置。1. An evaporator for evaporating refrigerant, a receiver, and a condenser for condensing the refrigerant are provided, and a first connecting pipe connecting the refrigerant outlet of the evaporator and the receiver, a second connecting pipe connecting the refrigerant inlet and the liquid receiver; a third connecting pipe connecting the liquid receiver and the refrigerant inlet of the condenser; and a third connecting pipe connecting the refrigerant outlet of the condenser and the second connecting pipe. A heating device comprising: a fourth connecting pipe that connects the connecting pipe;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18092389A JPH0345819A (en) | 1989-07-12 | 1989-07-12 | Apparatus for space heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18092389A JPH0345819A (en) | 1989-07-12 | 1989-07-12 | Apparatus for space heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0345819A true JPH0345819A (en) | 1991-02-27 |
Family
ID=16091645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18092389A Pending JPH0345819A (en) | 1989-07-12 | 1989-07-12 | Apparatus for space heating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0345819A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257374A (en) * | 2000-12-28 | 2002-09-11 | Lg Electronics Inc | Air conditioner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5792625A (en) * | 1980-11-29 | 1982-06-09 | Daikin Ind Ltd | Natural circulation type air conditioner |
| JPS6337912B2 (en) * | 1980-09-25 | 1988-07-27 | Tokyo Shibaura Electric Co |
-
1989
- 1989-07-12 JP JP18092389A patent/JPH0345819A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6337912B2 (en) * | 1980-09-25 | 1988-07-27 | Tokyo Shibaura Electric Co | |
| JPS5792625A (en) * | 1980-11-29 | 1982-06-09 | Daikin Ind Ltd | Natural circulation type air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257374A (en) * | 2000-12-28 | 2002-09-11 | Lg Electronics Inc | Air conditioner |
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