JPS58193061A - Two-stage absorption refrigerator - Google Patents
Two-stage absorption refrigeratorInfo
- Publication number
- JPS58193061A JPS58193061A JP57077073A JP7707382A JPS58193061A JP S58193061 A JPS58193061 A JP S58193061A JP 57077073 A JP57077073 A JP 57077073A JP 7707382 A JP7707382 A JP 7707382A JP S58193061 A JPS58193061 A JP S58193061A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- absorber
- absorption liquid
- absorption
- regenerator
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は比較的低い温度の熱源を利用して冷水を得るこ
とのできる２段吸収冷凍懺に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a two-stage absorption refrigeration system capable of obtaining chilled water using a relatively low temperature heat source.
１００℃以下のような比較的温度の低い熱源を有効に利
用して冷水を得るために、２段吸収冷凍機が利用される
。この２段吸収冷凍機は、第２図に下すように、吸収液
の蒸気圧線図上で２つのサイクル（イ）（ロ）から成り
立っており、これら２つのサイクルを結ぶ中間段におい
て、低圧側サイクル（イ）の再生器で発生した蒸気を高
圧側サイクル（ロ）の吸収器で吸収するようにしたもの
である。即ち、この２段吸収冷凍機は、第１図に示すよ
うに１被冷却流体が冷媒に蒸発熱を与え冷水になる蒸発
器＋１１と、蒸発器（１１で蒸発気化した冷媒を吸収液
に吸収させる吸収器（２）と、吸収器（２）内で冷媒を
吸収した希吸収液を加熱してその冷媒分を蒸発させる中
間再生器（３）と、中間再生器（３）で蒸活気化した冷
媒を吸収液に吸収させる中間吸収ａ（４）と、中間吸収
器（４）内で冷媒を吸収した希吸収液を加熱してその冷
媒分を蒸発させる再生器（５）と、再生器（５）で蒸発
気化した冷媒を冷却して凝縮させる凝縮器（６）とから
構成されている。なお、（７）及び（８）は低圧側及び
高圧側吸収液の移動経路途中にそれぞれ設けられた熱交
換器である。従って、上記ｍＩ＆によると、好適の吸収
冷凍機に比べ、中間再生器と中間吸収器とを余分に必要
とするため、コスト高になると共に／ステムが複雑にな
るという欠点があった。A two-stage absorption refrigerator is used to obtain cold water by effectively utilizing a relatively low-temperature heat source such as 100° C. or less. As shown in Figure 2, this two-stage absorption refrigerator consists of two cycles (A) and (B) on the vapor pressure diagram of the absorption liquid. The steam generated in the regenerator of the side cycle (a) is absorbed by the absorber of the high pressure side cycle (b). That is, as shown in Fig. 1, this two-stage absorption refrigerator consists of an evaporator (11) in which the fluid to be cooled gives heat of evaporation to the refrigerant and becomes cold water, and an evaporator (11 in which the refrigerant is evaporated and vaporized and absorbed into an absorption liquid. an intermediate regenerator (3) that heats the dilute absorption liquid that has absorbed the refrigerant in the absorber (2) to evaporate the refrigerant; and an intermediate regenerator (3) that evaporates the refrigerant. an intermediate absorber a (4) that absorbs the refrigerant into an absorption liquid; a regenerator (5) that heats the dilute absorption liquid that has absorbed the refrigerant in the intermediate absorber (4) to evaporate the refrigerant; and a regenerator. It consists of a condenser (6) that cools and condenses the refrigerant evaporated in step (5). Note that (7) and (8) are installed in the middle of the movement path of the absorption liquid on the low-pressure side and the high-pressure side, respectively. Therefore, according to the mI & above, it requires an extra intermediate regenerator and intermediate absorber compared to the preferred absorption refrigerator, which increases the cost and makes the system complicated. There was a drawback.
そこで、本発明は上記欠点を解消し得る２段吸収冷凍機
を提供することを目的とする。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a two-stage absorption refrigerator that can eliminate the above-mentioned drawbacks.
即ち、本発明は被冷却流体から熱をうげいこれを冷却さ
せて冷媒を蒸発させる蒸発器と、蒸発気化した冷媒を吸
収液に吸収させる吸収器及び中間吸収器と、冷媒を吸収
した冷奴収液から冷媒を蒸発器せて濃吸収液を得る再生
器と、蒸発気化した冷ｍを凝縮器せる凝＃器とを設け、
上記吸収液を、吸収器、中間吸収器及び再生器に亘って
且つ任意の順番で循環させる吸収液循環経路をｍｌけ、
上記凝縮器で＃縮された冷媒の一部を蒸発器に導くと共
に、その残りの冷媒を吸収器内で発生するｇ＆収熱によ
り力ｎ熱蒸発させて中間吸収器に専（ようにしたことを
特徴とする２段吸収冷凍機である。That is, the present invention provides an evaporator that extracts heat from a fluid to be cooled and evaporates the refrigerant, an absorber and intermediate absorber that absorbs the evaporated refrigerant into an absorption liquid, and a refrigerant collector that absorbs the refrigerant. A regenerator that evaporates refrigerant from the liquid to obtain a concentrated absorption liquid, and a condenser that condenses the evaporated cold m are provided.
ml of an absorption liquid circulation path that circulates the absorption liquid in an arbitrary order over the absorber, the intermediate absorber, and the regenerator;
A part of the refrigerant condensed in the above condenser is led to the evaporator, and the remaining refrigerant is evaporated by heat and heat generated in the absorber, and is exclusively used in the intermediate absorber. This is a two-stage absorption refrigerator featuring the following.
かかる構成によると、従来の２段吸収冷凍機の能力ｆ有
した擾まで、中間再生器を不安にするととができる。According to this configuration, it is possible to make the intermediate regenerator unstable up to the capacity f of the conventional two-stage absorption refrigerator.
以下、本発明の一実施例を第６図及び第４図に基づきｌ
ｉｉ＋！明する。＋１１１Ｆｉ冷媒（例えば水）（Ａ）
を蒸発させる蒸発器、Ｕ２Ｊは蒸発気化され走冷媒を吸
収液（例えばリチウムブロマイド）に吸収させる吸収器
、（１３は同じく中間吸収器、Ｑ彎は冷媒を吸収した冷
奴収液の１）を加熱してその冷媒分を蒸発させ、−吸収
液（Ｂ２）を得る再生器、Ｍけ蒸発気化された（′−６
媒を冷却して凝縮させる凝縮器である。上記蒸発１ｆＩ
ｌｌ内には、被冷却流体（例えば水）（Ｃ）を流す破冷
却管ｌ縛が挿通して設けられ、中間吸収器（Ｉ４内には
、冷却流体（ｆＩＩえは冷却水）（Ｄ）を流す冷却管ｑ
θ乃；挿通して設けられ、再生器ｊ南西には、加熱流体
（例えば発熱水）（至）を訛す加熱管−が挿通して設け
られ、また凝ｍ器；１５ｉ内には、冷却流体（Ｄ）を流
す冷却管−が挿通して設けられている。なお、舛は蒸発
１ｆＩｌｌ内で冷媒を循環させる冷媒循環管である。そ
して、上記吸収液は、吸収器（１４、再生器υ七及び中
間吸収器賎のｗｉｔに循環するように構成されている。Hereinafter, one embodiment of the present invention will be explained based on FIGS. 6 and 4.
ii+! I will clarify. +111Fi refrigerant (e.g. water) (A)
U2J is an evaporator that evaporates the refrigerant, and U2J is an absorber that absorbs the refrigerant into an absorption liquid (for example, lithium bromide). The regenerator is used to evaporate the refrigerant to obtain an absorption liquid (B2).
This is a condenser that cools and condenses the medium. The above evaporation 1fI
A broken cooling pipe (C) through which a fluid to be cooled (for example, water) (C) flows is inserted into the intermediate absorber (I4), and a cooling fluid (fII is cooling water) (D) is inserted into the intermediate absorber (I4). cooling pipe q
A heating pipe for supplying a heating fluid (e.g., exothermic water) is inserted into the southwest of the regenerator, and a cooling pipe is inserted into the condenser. A cooling pipe through which fluid (D) flows is inserted and provided. Note that the pipe is a refrigerant circulation pipe that circulates the refrigerant within the evaporator 1fIll. The absorbent liquid is configured to circulate through the absorber (14), the regenerator υ7, and the intermediate absorber.
即ち、再生ｇｉＩと中１！］吸収器。４とけ績吸収液移
送管（以下、単Ｖｃ−吸収液管と称す）飢により接続さ
れ、中間吸収器ＬＬ３と吸収器−４とＶｉ中間（４度）
吸収液移送管（以下、単に中間吸収欣管と称す）四によ
り接続され、また吸収器（Ｉ４と再生器０４とは冷眼収
液移送管（以下、単に冷奴収液管と称す）凶で＃続され
てい、る。そして、更に凝縮器凌内で凝縮させられた冷
媒の一部は蒸発器１ｉｔ）に導かれ、また残りの冷媒は
吸収器−２１内で一旦加熱蒸発されて中間吸収器ｆＪ５
に導かハる。即ち、凝縮器８５１と蒸発器（１１）の冷
媒４４管−とＦｉ第１冷媒移送ｆシ４ＪＫよって接続さ
れ、また凝怖詣ｉ〜と吸収器θ匂とは、上記第１冷媒移
送管圓から分岐された第２冷媒移送管ｇｉによって接続
され、さらに吸収器（Ｉ４と中間吸収器峙とけ冷媒蒸気
移送管弼とによって接続されている。なお、上記布吸収
液管ムと中間吸収液管凶との闇、希液収液管列と第１冷
媒移送管？（との関、及び冷奴収液管（ハ）と濃吸収液
管囚）との闇には、それぞれ熱交換器口端−が介装され
て、熱回収が成される。また、上記冷媒Ｏｌ！環ｑ四、
礎吸収液管（２υ、中間吸収解管固、冷奴収液管ム及び
第１冷媒移送管ｆ’にけそれぞれポンプ■〜思が介装さ
れている。Namely, play giI and junior high school 1! ] Absorber. A 4-way absorption liquid transfer pipe (hereinafter referred to as a single Vc-absorption liquid pipe) is connected by an intermediate absorber LL3, absorber-4, and Vi intermediate (4 degrees).
The absorber (I4) and the regenerator 04 are connected by an absorption liquid transfer pipe (hereinafter simply referred to as an intermediate absorption liquid pipe) 4, and the absorber (I4 and regenerator 04 are connected to a cold absorption liquid transfer pipe (hereinafter simply referred to as a cold absorption liquid pipe)). Then, a part of the refrigerant condensed in the condenser is led to the evaporator (1 unit), and the remaining refrigerant is once heated and evaporated in the absorber 21 and then transferred to the intermediate absorber. fJ5
I was led by Haru. That is, the condenser 851 and the refrigerant 44 pipe of the evaporator (11) are connected by the first refrigerant transfer tube F4, and the condenser 851 and the absorber θ are connected to the first refrigerant transfer tube 4JK. It is connected by a second refrigerant transfer pipe gi branched from the absorber (I4), and is further connected by a refrigerant vapor transfer pipe 2 that faces the absorber (I4) and the intermediate absorber. The darkness between the dilute liquid collection pipe array and the first refrigerant transfer pipe (the connection between the cold liquid collection pipe (c) and the concentrated absorption liquid pipe) is the connection between the heat exchanger mouth end. - is interposed to achieve heat recovery.Also, the above refrigerant Ol!ring q4,
Pumps 1 to 2 are installed in the base absorption liquid pipe (2υ), the intermediate absorption liquid pipe, the cold liquid collection pipe, and the first refrigerant transfer pipe f'.
次に、冷却作用について説明する。蒸発器（１１］内の
被冷却ｆｌＪ１Ｇ内を流れる被冷却流体（Ｃ）は、蒸発
器（１１）内での冷媒の蒸発によって冷却される。一方
、蒸発器（１１）で蒸発気化された冷媒（ム）は吸収器
（１々内の吸収液に吸収され、この冷媒を吸収した冷奴
収液（Ｂｌ）Ｖｉ希吸収液管内を介して再生器１１４＋
に導かれる。Next, the cooling effect will be explained. The fluid to be cooled (C) flowing through the to-be-cooled flJ1G in the evaporator (11) is cooled by evaporation of the refrigerant in the evaporator (11).On the other hand, the refrigerant evaporated in the evaporator (11) (Mu) is absorbed by the absorption liquid in the absorber (1), and the regenerator 114 +
guided by.
この冷奴収液は再生器α彎内の加、ｆｉ ’［＃ Ｊ＠
内を流れる加熱流体（埒によって加熱されて、吸収した
冷媒が＃発される６再生６Ｑ４ｉで再生された一吸収液
（Ｂ２）は、濃吸収液管シＩＩを介して中間吸収器ＩＩ
４に導か汰ここで、凝ｍ器頂から導かれ且つ１及収器醤
内を通−する間に、吸収器Ｕ唖内で発生した吸収熱によ
って点元気化された冷媒を吸収する。中間吸収器賎で冷
媒を吸収した中間吸収液（Ｂ６）は中間吸収液管）〃を
介して吸収器ｕカに到り、ここで蒸発器（１１）からの
冷媒を吸収する。以上の吸収液のサイクルを蒸気圧線図
として表わすと、紀４図のようになる。This cold collected liquid is added to the inside of the regenerator α, fi'[# J@
The absorbing liquid (B2) regenerated in 6 regeneration 6 Q4i is heated by the heating fluid flowing through the intermediate absorber II and the absorbed refrigerant is emitted.
Here, the refrigerant is introduced from the top of the condenser and is energized by the absorbed heat generated in the absorber U while passing through the first and second collectors. The intermediate absorption liquid (B6) that has absorbed the refrigerant in the intermediate absorber tube reaches the absorber via the intermediate absorption liquid pipe (intermediate absorption liquid pipe), where it absorbs the refrigerant from the evaporator (11). If the above absorption liquid cycle is expressed as a vapor pressure diagram, it will be as shown in Figure 4.
このように、吸収液を再生４圓、中間吸収器ｕ３及び吸
収器ｏ４を直列に循環させ、目一つ中間吸収器Ｕ々内に
入る冷媒を吸収器ｊη内の吸収熱を初用して蒸発気化さ
せるので、従来の２段吸収機能を有したままで中間再生
器を不要にすることができる。In this way, the absorption liquid is regenerated 4 times, the intermediate absorber u3 and the absorber o4 are circulated in series, and the refrigerant entering each intermediate absorber U is first used as the absorbed heat in the absorber jη. Since it is evaporated, an intermediate regenerator can be eliminated while maintaining the conventional two-stage absorption function.
次に、他の実施例を第５図及び第６図に基づき説明する
と、上記実施例のものにおいては、吸収液を再生器几→
中間吸収器ｉｌｌ→吸収器、順→再生器Ｉの順に循環さ
せるようにしたのに対して、この他の実施例のものにお
いては、吸収液を再生器０４１→吸収ａａ力→中関吸収
器ｔ１３１→再生器０４Ｊの１社に循環させるようにし
ている。即ち、再生器θ〜で再生された該吸収液（Ｂ２
）は、＃吸収液１ ｇ＋ｉを介して吸収器ｔ１２に導か
れ、ま九吸収６ｕカ内に導かれた嬢吸収液は蒸発器（１
１）からの冷媒を吸収して中間濃度の中間吸収液となり
、この中間吸収液（Ｂ６）は中間吸収液管（２）を介し
て中間吸収器０４に導かれ、ここで中間吸収液は四に冷
媒蒸気移送′Ｗ占によって送り込まれた冷媒を吸収して
希液収液となり、この希液収液（Ｂ１）は冷奴収液管瞥
を介して再生器０４１に戻される。なお、上記＃ｌ成に
おいて、熱回収用の熱交換器（至）（至）が２個設けら
れている。また、第６図Ｖ（Ｆｍｌの１吸収液のサイク
ルを示す。Next, another embodiment will be explained based on FIGS. 5 and 6. In the above embodiment, the absorption liquid is transferred to the regenerator →
While the absorption liquid was circulated in the order of intermediate absorber ill → absorber, order → regenerator I, in other embodiments, the absorption liquid was circulated in the order of regenerator 041 → absorption aa power → Nakanoseki absorber. It is made to circulate from t131 to one company, regenerator 04J. That is, the absorption liquid (B2
) is guided to the absorber t12 via #absorbent liquid 1g+i, and the second absorption liquid guided into the #9 absorber 6u is passed through the evaporator (1
The refrigerant from 1) is absorbed to become an intermediate absorption liquid of intermediate concentration, and this intermediate absorption liquid (B6) is led to the intermediate absorber 04 via the intermediate absorption liquid pipe (2), where the intermediate absorption liquid is The refrigerant sent by the refrigerant vapor transfer 'W' is absorbed to become dilute collected liquid, and this dilute collected liquid (B1) is returned to the regenerator 041 via the cold collected liquid pipe. In addition, in the above #l configuration, two heat exchangers (to) (to) for heat recovery are provided. Also, FIG. 6V (showing a cycle of one absorption solution of Fml).
壓１図及び第２図は従来例を示すもので、第１図は）゛
ローシート図、第２図は］吸収液のサイクルを示す図、
第６図及び第４７１は本発明の一実施例を示すもので、
第６図はフローソート図、第４図＃′ｉ吸収液のサイク
ルを示す図、第５図及び寂６図は他の実施例を示すもの
で、第５−はフローシート図、＠６図は吸収液のサイク
ルを示す図である。
（ＩＩ）・・・蒸発器、醤・・・吸収器、・鐵・・・中
間吸収器、（１４）・・再生器、ｔ＋５１・・・ｗ縮量
、毎・・・冷媒循環管、２１１・・・濃吸収液移送・簀
、−・・・中間吸収液移送管、＠・・・希液収液移送管
、九・・・第１冷媒移送管、イ、・・・・第２冷媒移送
管、ｗｙｈ・・・冷媒蒸気移送管
代理人 森 本 義 弘Figures 1 and 2 show conventional examples; Figure 1 is a) low sheet diagram, Figure 2 is a diagram showing the absorption liquid cycle,
6 and 471 show an embodiment of the present invention,
Figure 6 is a flow sort diagram, Figure 4 is a diagram showing the cycle of #'i absorption liquid, Figures 5 and 6 are diagrams showing other embodiments, and Figure 5- is a flow sheet diagram, Figure @6. FIG. 2 is a diagram showing a cycle of an absorption liquid. (II)...evaporator, sauce...absorber, iron...intermediate absorber, (14)...regenerator, t+51...w reduction amount, every...refrigerant circulation pipe, 211 ... Concentrated absorption liquid transfer/storage, -... Intermediate absorption liquid transfer pipe, @... Dilute liquid collection liquid transfer pipe, 9... First refrigerant transfer pipe, A, ... Second refrigerant Transfer pipe, wyh...Refrigerant vapor transfer pipe agent Yoshihiro Morimoto
Claims (1)
蒸発させる蒸発器と、蒸発気化した冷媒を吸収液に吸収
させる吸収器及び中間吸収器と、冷媒を吸収した希吸収
液から１媒を蒸発させて濃吸収液を得る再生器と、蒸発
気化した冷媒を凝縮させる凝縮器とを設け、上記吸収液
敷吸収器、中間吸収器及び再生器に亘って且つ任意の順
番で循環させる吸収液循環経路を設け、上記酸ｍ器で凝
縮された冷媒の一部を蒸発器に導くと共に、その残りの
冷媒を吸収器内で発生する吸収熱により加熱Ｒ＆発させ
て中間吸収器に導くようＫしたことを４？徴とする２段
吸収冷凍磯０L An evaporator that extracts heat from the fluid to be cooled and cools it to evaporate the refrigerant, an absorber and an intermediate absorber that absorb the evaporated refrigerant into an absorption liquid, and an evaporator that extracts a medium from the dilute absorption liquid that has absorbed the refrigerant. A regenerator for obtaining a concentrated absorption liquid by evaporation and a condenser for condensing the evaporated refrigerant are provided, and the absorption liquid is circulated in any order over the absorption bed absorber, intermediate absorber, and regenerator. A circulation path is provided so that a part of the refrigerant condensed in the acid generator is guided to the evaporator, and the remaining refrigerant is heated and released by the absorption heat generated in the absorber and guided to the intermediate absorber. What did you do? Characteristic two-stage absorption frozen sea 0
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57077073A JPS58193061A (en) | 1982-05-07 | 1982-05-07 | Two-stage absorption refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57077073A JPS58193061A (en) | 1982-05-07 | 1982-05-07 | Two-stage absorption refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58193061A true JPS58193061A (en) | 1983-11-10 |
| JPS6125986B2 JPS6125986B2 (en) | 1986-06-18 |
Family
ID=13623612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57077073A Granted JPS58193061A (en) | 1982-05-07 | 1982-05-07 | Two-stage absorption refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58193061A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6312388A (en) * | 1986-07-03 | 1988-01-19 | テクノロ−ル株式会社 | Printing plate material cleaner for printer |
| JPS6321032U (en) * | 1986-07-25 | 1988-02-12 |
-
1982
- 1982-05-07 JP JP57077073A patent/JPS58193061A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6125986B2 (en) | 1986-06-18 |
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