JPH10267457A - Absorption type refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily lay out an equipment by incorporating a vapor-liquid separator and a low-temperature reproducer in a casing, forming a space part between them as a vapor header room, and connecting the upper position of the vapor header room to the upper space of the vapor-liquid separator and the other positions to the heat transfer pipe of the low-temperature reproducer. SOLUTION: The inside of a body casing 10 in an absorption type refrigeration device is divided into first to third rooms by partitions 4 and 5. Also, a vapor-liquid separation room 7 of a vapor-liquid separator 1 and a vapor header room 8 of a low-temperature reproducer 2 are formed at the first room, a low-temperature reproduction room 3 is formed at the second room, and a condensation water receiver room 14 is formed at the third room. Then, a collision plate 9 is provided at the upper part of the vapor-liquid separation room 7 and a reproduction vapor-liquid supply pipe 12 is introduced into the upper part. A high-temperature reproduction vapor liquid (a) being supplied through the reproduction vapor liquid supply pipe 12 is separated into steam and a medium, strong solution due to a collision to the collision plate 9, the steam eliminates a scattered liquid drip constituent via a baffle part 1 and is supplied into a steam header room 8, and the medium, strong solution is supplied to the upper portion of the low-temperature reproduction room 3 via a medium, strong solution supply pipe 13.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本願発明は、吸収式冷凍装置
用の気液分離器および低温再生器部分の構造に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a gas-liquid separator and a low-temperature regenerator for an absorption refrigeration system.

【０００２】[0002]

【従来の技術】例えば冷媒として水、吸収液として臭化
リチウム等を使用した吸収式冷凍装置では、吸収作用完
了後の希溶液を高温再生器で加熱沸騰させた後に、気液
分離器で冷媒蒸気と中間濃溶液とに分離するようになっ
ている。2. Description of the Related Art In an absorption refrigerating apparatus using, for example, water as a refrigerant and lithium bromide as an absorbing liquid, a dilute solution after the completion of absorption is heated and boiled by a high-temperature regenerator and then cooled by a gas-liquid separator. It separates into a vapor and an intermediate concentrated solution.

【０００３】一方、また冷房時においては、上記気液分
離器で分離された冷媒水蒸気と臭化リチウム中間濃溶液
とを熱交換させることにより、冷媒水蒸気を凝縮させる
とともに臭化リチウム中間濃溶液中に含まれる残余水分
を蒸発させて臭化リチウム濃溶液を取り出すようになっ
ている。On the other hand, during cooling, heat exchange is performed between the refrigerant steam separated by the gas-liquid separator and the lithium bromide intermediate concentrated solution, thereby condensing the refrigerant steam and simultaneously forming the lithium bromide intermediate concentrated solution. Is evaporated to remove the concentrated lithium bromide solution.

【０００４】そして、これら気液分離器と低温再生器
は、従来例の場合、例えば特公平６−９７１２７号公報
に示されるように、それぞれ独立して別体に構成され、
所定径、所定長さの冷媒水蒸気供給配管および同様の中
間濃溶液供給配管で接続することにより、前者から後者
に冷媒水蒸気並びに中間濃溶液が供給されるようになっ
ていた。In the case of the conventional example, the gas-liquid separator and the low-temperature regenerator are independently formed as shown in, for example, Japanese Patent Publication No. 6-97127.
The refrigerant vapor and the intermediate concentrated solution are supplied from the former to the latter by being connected by a refrigerant vapor supply pipe of a predetermined diameter and a predetermined length and a similar intermediate concentrated solution supply pipe.

【０００５】[0005]

【発明が解決しようとする課題】しかし、以上のように
各々が別体に構成され、それらを所定の配管で接続する
構成の場合、次のような問題がある。However, in the case of a configuration in which the components are separately formed as described above and they are connected by a predetermined pipe, there are the following problems.

【０００６】（１） ２つのユニット並びに配管が必要
であるため、構造が複雑で、装置全体が大型になり、コ
ストが高い。(1) Since two units and piping are required, the structure is complicated, the whole apparatus becomes large, and the cost is high.

【０００７】（２） 同様の理由により、機器配置上の
制約が大きく、レイアウト上の自由度が低い。また、組
付作業にも手間がかかる。(2) For the same reason, restrictions on the arrangement of devices are large and the degree of freedom in layout is low. In addition, the assembling work also takes time.

【０００８】（３） 配管を介した供給のため、気液分
離後の冷媒水蒸気の圧損が大きく、低温再生器での熱交
換性能が低い。その結果、吸収・冷凍性能にも影響を与
える。(3) Due to the supply via the pipe, the pressure loss of the refrigerant vapor after gas-liquid separation is large, and the heat exchange performance in the low-temperature regenerator is low. As a result, the absorption / refrigeration performance is affected.

【０００９】[0009]

【課題を解決するための手段】本願各発明は、上記の問
題を解決することを目的としてなされたもので、それぞ
れ次のような課題解決手段を備えて構成されている。SUMMARY OF THE INVENTION The inventions of the present application have been made for the purpose of solving the above-mentioned problems, and are each provided with the following means for solving the problems.

【００１０】すなわち、先ず本願請求項１の発明の吸収
式冷凍装置は、単一のケーシングの内部に気液分離器と
低温再生器とを一体に組込み、それらの間に相互に隣接
する空間部を形成して蒸気ヘッダー室とし、該蒸気ヘッ
ダー室の上方位置を上記気液分離器の気液分離室上方空
間に、その他の位置を低温再生器の伝熱管に各々連通せ
しめて構成されている。That is, first, in the absorption refrigerating apparatus according to the first aspect of the present invention, a gas-liquid separator and a low-temperature regenerator are integrally incorporated in a single casing, and a space adjacent to each other is interposed therebetween. To form a steam header chamber, the upper position of the steam header chamber is communicated with the space above the gas-liquid separation chamber of the gas-liquid separator, and the other positions are communicated with the heat transfer tubes of the low-temperature regenerator. .

【００１１】したがって、該構成によると、先ず気液分
離器と低温再生器とが単一のケーシング内に一体に組込
まれている結果、両者を１ユニットとして扱うことがで
きるので、機器配置上の制約が小さく、レイアウトが自
由で、組付作業も容易となる。Therefore, according to this configuration, first, since the gas-liquid separator and the low-temperature regenerator are integrally incorporated in a single casing, both can be handled as one unit. The restrictions are small, the layout is free, and the assembling work is easy.

【００１２】また、気液分離器の気液分離室と低温再生
器の蒸気ヘッダー室とを接続する水蒸気供給配管が不要
になり、水蒸気供給圧損が大きく低減され、低温再生器
での熱交換性能が相当に向上するので、吸収性能、冷凍
性能の向上に寄与できる。Further, a steam supply pipe for connecting the gas-liquid separation chamber of the gas-liquid separator and the steam header chamber of the low-temperature regenerator becomes unnecessary, and the steam supply pressure loss is greatly reduced, and the heat exchange performance in the low-temperature regenerator is reduced. Is considerably improved, which can contribute to improvement of absorption performance and refrigeration performance.

【００１３】また、装置全体がコンパクトになり、低コ
ストになる。[0013] Further, the whole apparatus becomes compact and low in cost.

【００１４】次に、本願請求項２の発明の吸収式冷凍装
置は、単一のケーシングの内部を複数室に区画分割する
ことによって、気液分離器の気液分離室と低温再生器の
蒸気ヘッダー室、低温再生室、凝縮水レシーバ室を各々
形成し、上記気液分離室と上記蒸気ヘッダー室とを上部
を開口した仕切板で仕切ることにより相互に連通させる
とともに、上記蒸気ヘッダー室と上記凝縮水レシーバ室
とを、内部を水蒸気が流れ、かつ上記低温再生室を貫通
して当該低温再生室内において外周囲に気液分離後の中
間濃溶液が流される伝熱管で連通せしめることによっ
て、気液分離器と低温再生器が一体に構成されている。Next, in the absorption refrigerating apparatus according to the second aspect of the present invention, the interior of the single casing is divided into a plurality of chambers, so that the gas-liquid separation chamber of the gas-liquid separator and the steam of the low-temperature regenerator are separated. A header chamber, a low-temperature regeneration chamber, and a condensed water receiver chamber are respectively formed, and the gas-liquid separation chamber and the steam header chamber are separated from each other by a partition plate having an open top, and communicated with each other. By allowing the condensed water receiver chamber to communicate with a heat transfer tube through which steam flows and through which the intermediate concentrated solution after gas-liquid separation flows through the low-temperature regeneration chamber to the outside around the low-temperature regeneration chamber, The liquid separator and the low-temperature regenerator are integrally formed.

【００１５】したがって、該構成によると、先ず気液分
離器と低温再生器とが単一のケーシングにより一体化さ
れる結果、機器配置上の制約が小さく、レイアウトが自
由で、組付作業も容易である。Therefore, according to this configuration, first, the gas-liquid separator and the low-temperature regenerator are integrated by a single casing. As a result, restrictions on equipment arrangement are small, the layout is free, and the assembling work is easy. It is.

【００１６】また、気液分離器の気液分離室と低温再生
器の蒸気ヘッダー室とを接続する水蒸気供給配管が不要
になり、水蒸気供給圧損が大きく低減され、低温再生器
での熱交換性能が相当に向上するので、吸収性能、冷凍
性能の向上に寄与できる。Further, a steam supply pipe for connecting the gas-liquid separation chamber of the gas-liquid separator and the steam header chamber of the low-temperature regenerator is not required, the steam supply pressure loss is greatly reduced, and the heat exchange performance in the low-temperature regenerator is reduced. Is considerably improved, which can contribute to improvement of absorption performance and refrigeration performance.

【００１７】また、装置全体がコンパクトになり、低コ
ストになる。Further, the entire apparatus becomes compact and the cost is reduced.

【００１８】[0018]

【発明の実施の形態】図は、本願発明の実施の形態に係
る「水−臭化リチウム」タイプの吸収式冷凍装置の構成
を示している。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows the construction of a "water-lithium bromide" type absorption refrigeration apparatus according to an embodiment of the present invention.

【００１９】本実施の形態の吸収式冷凍装置は、気液分
離器と低温再生器とを一体化することによって装置をコ
ンパクト化するとともに、相互の冷媒蒸気配管を不要と
して供給蒸気の圧損を低減したことを特徴とするもので
ある。The absorption refrigeration system of the present embodiment is made compact by integrating the gas-liquid separator and the low-temperature regenerator, and the pressure loss of the supplied steam is reduced by eliminating the need for mutual refrigerant vapor piping. It is characterized by having done.

【００２０】図中、符号１０は、同装置の気液分離器部
分を一体構成するための直方体形状の本体ケーシングで
ある。この本体ケーシング１０は、その長手方向の内部
空間を断熱性の高い所定厚さの２枚の隔壁４，５によっ
て図示左側から右側方向に第１室〜第３室に区切り、先
ず第１室側に気液分離器１の気液分離室７と低温再生器
２の蒸気ヘッダー室８を、次に第２室側に低温再生室３
を、さらに第３室側に凝縮水レシーバ室１４を各々形成
している。In the drawing, reference numeral 10 denotes a rectangular parallelepiped main body casing for integrally forming a gas-liquid separator portion of the apparatus. This main body casing 10 is divided into a first chamber to a third chamber from left to right in the figure by two partitions 4 and 5 having a predetermined thickness with high heat insulating property. First, the gas-liquid separation chamber 7 of the gas-liquid separator 1 and the steam header chamber 8 of the low-temperature regenerator 2 are installed.
, And a condensed water receiver chamber 14 is formed on the third chamber side.

【００２１】上記第１室側の気液分離室７と蒸気ヘッダ
ー室８は、天井部側に所定の連通室間を残して立設され
た仕切板６によつて仕切られ、上部側で相互に連通して
いる。The gas-liquid separation chamber 7 and the steam header chamber 8 on the first chamber side are separated by a partition plate 6 erected on the ceiling side with a predetermined space between the communication chambers left. Is in communication with

【００２２】そして、上記仕切板６の気液分離室７側壁
面には、側方に水平に延びた所定幅の衝突板９が設けら
れており、その下方には図示しない高温再生器からの再
生気液供給管１２の先端が所定の高さ位置まで導入され
て開口されている。そして、該再生気液供給管１２を介
して高温再生器から所定の供給圧で供給される高温の再
生気液ａが該衝突板６の下面に衝突せしめられて、その
中の水蒸気と中間濃溶液とが相互に分離され、水蒸気は
バッフル部１１を介して飛散液滴成分を除去された後に
上方の空間部に浮揚し、上記仕切板６上方の連通空間を
介して蒸気ヘッダー室８内に供給される一方、中間濃溶
液は底部に溜まり、底面部に導入開口されている低温再
生室３への中間濃溶液供給管１３を介して後述する低温
再生室３の上方に供給される。On the side wall of the gas-liquid separation chamber 7 of the partition plate 6, a collision plate 9 of a predetermined width extending horizontally is provided, and below the collision plate 9 from a high-temperature regenerator (not shown). The distal end of the regeneration gas-liquid supply pipe 12 is introduced to a predetermined height and opened. Then, a high-temperature regenerated gas-liquid a supplied from the high-temperature regenerator at a predetermined supply pressure through the regenerated gas-liquid supply pipe 12 is caused to collide with the lower surface of the collision plate 6, and water vapor and intermediate concentration therein are condensed. The solution is separated from each other, and the water vapor floats in the upper space after the scattered droplet components are removed through the baffle portion 11 and enters the steam header chamber 8 through the communication space above the partition plate 6. On the other hand, the intermediate concentrated solution accumulates at the bottom and is supplied above the low-temperature regeneration chamber 3 to be described later through an intermediate concentrated solution supply pipe 13 to the low-temperature regeneration chamber 3 which is introduced and opened at the bottom.

【００２３】低温再生器２は、上記蒸気ヘッダー室８と
低温再生室３、凝縮水レシーバ室１４と濃溶液レシーバ
１６とから構成され、中心となる低温再生室３の上下方
向中央部から下方には、例えば上下各４本づつ合計８本
の伝熱管１２，１２・・・が相互に所定の間隔を保っ
て、上記蒸気ヘッダー室８と凝縮水レシーバ室１４とに
相互に連通した状態で配設されている。The low-temperature regenerator 2 is composed of the steam header chamber 8 and the low-temperature regeneration chamber 3, the condensed water receiver chamber 14 and the concentrated solution receiver 16, and is disposed downward from the center of the low-temperature regeneration chamber 3 as the center in the vertical direction. Are arranged in a state in which, for example, a total of eight heat transfer tubes 12, four at each of the upper and lower portions are kept at a predetermined interval from each other and communicate with the steam header chamber 8 and the condensed water receiver chamber 14. Has been established.

【００２４】そして、同低温再生室３の上部後壁部に
は、上述した気液分離室７底部からの中間濃溶液供給管
１３の先端と、低温再生後の水蒸気ｅを図示しない凝縮
器に供給するための水蒸気供給管２１の基端とが各々開
口されている。また、同低温再生室３の前壁部の上下方
向略中央部位置には、低温再生後の濃溶液取出口１７が
開口されており、その前部には該濃溶液取出口１７を介
して取出された濃溶液ｄを所定量一時的に保留する箱形
の濃溶液レシーバ１６が設けられている。そして、該濃
溶液レシーバ１６内に留められた濃溶液ｄは、濃溶液供
給管１８を介して図示しない低温溶液熱交換器で熱交換
された後に図示しない吸収器に吸収液として供給され
る。At the upper rear wall of the low temperature regeneration chamber 3, the tip of the intermediate concentrated solution supply pipe 13 from the bottom of the gas-liquid separation chamber 7 and the steam e after the low temperature regeneration are supplied to a condenser (not shown). The base end of the steam supply pipe 21 for supply is opened. A concentrated solution outlet 17 after the low-temperature regeneration is opened at substantially the center of the front wall of the low-temperature regeneration chamber 3 in the vertical direction. There is provided a box-shaped concentrated solution receiver 16 for temporarily holding the removed concentrated solution d by a predetermined amount. The concentrated solution d retained in the concentrated solution receiver 16 is heat-exchanged by a low-temperature solution heat exchanger (not shown) via a concentrated solution supply pipe 18 and then supplied as an absorbing solution to an absorber (not shown).

【００２５】この低温再生器２においては、例えば冷房
時において、上記気液分離器１の気液分離室７側から蒸
気ヘッダー室８内に供給され、上記伝熱管１２，１２・
・・内を流される水蒸気ｃと同気液分離室７側から低温
再生室３内に供給され、上記伝熱管１２，１２・・・の
外周囲に滞留される中間濃溶液ｂとを相互に熱交換させ
ることにより、伝熱管１２内の水蒸気ｃを凝縮させると
ともに中間濃溶液ｂ中に含まれる残余水分を蒸発させ
て、さらに高濃度の溶液を吸収液として取り出し、上記
のように濃溶液レシーバ１６を介して吸収器に供給す
る。In the low-temperature regenerator 2, for example, during cooling, the gas is supplied from the gas-liquid separation chamber 7 side of the gas-liquid separator 1 into the steam header chamber 8, and the heat transfer tubes 12, 12.
.. the steam c flowing therein and the intermediate concentrated solution b supplied from the gas-liquid separation chamber 7 side into the low-temperature regeneration chamber 3 and retained around the heat transfer tubes 12, 12,. By performing the heat exchange, the water vapor c in the heat transfer tube 12 is condensed and the residual water contained in the intermediate concentrated solution b is evaporated, and a higher concentration solution is taken out as an absorbing solution. Feed to the absorber via 16.

【００２６】また、中間濃溶液ｂから蒸発された水蒸気
ｅは、水蒸気供給管２１により凝縮器に送られて凝縮液
化されて凝縮水となり、図示しない冷媒タンクに溜めら
れる。The water vapor e evaporated from the intermediate concentrated solution b is sent to the condenser by the water vapor supply pipe 21 to be condensed and liquefied into condensed water, which is stored in a refrigerant tank (not shown).

【００２７】また、上記低温再生室３の伝熱管１２，１
２・・・内において凝縮液化された凝縮水ｆも上記冷媒
タンクに溜められる。Further, the heat transfer tubes 12, 1 of the low-temperature regeneration chamber 3
The condensed water f condensed and liquefied in 2 ... is also stored in the refrigerant tank.

【００２８】以上のように、本実施の形態に係る吸収式
冷凍装置の構成では、本体ケーシング１０の内部を複数
室に区画分割することによって気液分離室７と蒸気ヘッ
ダー室８、低温再生室３、凝縮水レシーバ室１４等を形
成し、気液分離室７と蒸気ヘッダー室８を上部を開口し
た仕切板６で仕切ることにより相互に連通させるととも
に、蒸気ヘッダー室８と凝縮水レシーバ室１４とを内部
を水蒸気が流れ、かつ低温再生室３内を貫通し、当該低
温再生室３内で、その外周囲に気液分離後の中間濃溶液
が流される伝熱管１２，１２・・・で相互に連通せしめ
て一体に構成されている。As described above, in the configuration of the absorption refrigeration apparatus according to the present embodiment, the interior of the main body casing 10 is divided into a plurality of chambers, whereby the gas-liquid separation chamber 7, the steam header chamber 8, the low-temperature regeneration chamber, and the like. 3. A condensed water receiver chamber 14 and the like are formed, and the gas-liquid separation chamber 7 and the steam header chamber 8 are separated from each other by a partition plate 6 having an open top, so that the vapor header chamber 8 and the condensed water receiver chamber 14 are communicated with each other. Are passed through the inside of the low-temperature regeneration chamber 3, and inside the low-temperature regeneration chamber 3, the heat transfer tubes 12, 12,. They are connected to each other to be integrally formed.

【００２９】したがって、先ず、該構成では気液分離器
と低温再生器とが一体化される結果、機器配置上の制約
が小さく、レイアウトが自由で、組付作業も容易とな
る。Therefore, first, in this configuration, the gas-liquid separator and the low-temperature regenerator are integrated, so that the restrictions on the arrangement of the devices are small, the layout is free, and the assembling work is easy.

【００３０】また、気液分離器１の気液分離室７と低温
再生器２の蒸気ヘッダー室８とを接続する水蒸気供給配
管が不要になり、蒸気圧損が大きく低減され、低温再生
器２での熱交換性能が相当に向上するので、吸収性能、
冷凍性能の向上に寄与できる。Further, a steam supply pipe for connecting the gas-liquid separation chamber 7 of the gas-liquid separator 1 and the steam header chamber 8 of the low-temperature regenerator 2 becomes unnecessary, and the steam pressure loss is greatly reduced. The heat exchange performance of the
It can contribute to improvement of refrigeration performance.

【００３１】また、装置全体がコンパクトになり、低コ
ストになる。Further, the whole apparatus becomes compact and the cost is reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図１】図１は、本願発明の実施の形態に係る吸収式冷
凍装置の構成を示す透視図である。FIG. 1 is a perspective view showing a configuration of an absorption refrigeration apparatus according to an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

１は気液分離器、２は低温再生器、３は低温再生室、
４，５は隔壁、６は仕切板、７は気液分離室、８は蒸気
ヘッダー室、９は衝突板、１０は本体ケーシング、１２
は再生気液供給管、１３は中間濃溶液供給管、１４は凝
縮水レシーバ室、１６は濃溶液レシーバである。1 is a gas-liquid separator, 2 is a low temperature regenerator, 3 is a low temperature regeneration chamber,
4, 5 are partition walls, 6 is a partition plate, 7 is a gas-liquid separation chamber, 8 is a steam header room, 9 is a collision plate, 10 is a main body casing, 12
Is a regeneration gas-liquid supply pipe, 13 is an intermediate concentrated solution supply pipe, 14 is a condensed water receiver chamber, and 16 is a concentrated solution receiver.

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 単一のケーシングの内部に気液分離器と
低温再生器とを一体に組込み、それらの間に相互に隣接
する空間部を形成して蒸気ヘッダー室とし、該蒸気ヘッ
ダー室の上方位置を上記気液分離器の気液分離室上方空
間に、その他の位置を低温再生器の伝熱管に各々連通せ
しめてなる吸収式冷凍装置。1. A vapor-liquid separator and a low-temperature regenerator are integrally incorporated in a single casing, and spaces adjacent to each other are formed therebetween to form a steam header chamber. An absorption refrigeration system in which the upper position communicates with the space above the gas-liquid separation chamber of the gas-liquid separator, and the other positions communicate with the heat transfer tubes of the low-temperature regenerator. 【請求項２】 単一のケーシングの内部を複数室に区画
分割することによって、気液分離器の気液分離室と低温
再生器の蒸気ヘッダー室、低温再生室、凝縮水レシーバ
室を各々形成し、上記気液分離室と上記蒸気ヘッダー室
とを上部を開口した仕切板で仕切ることにより相互に連
通させるとともに、上記蒸気ヘッダー室と上記凝縮水レ
シーバ室とを、内部を水蒸気が流れ、かつ上記低温再生
室を貫通して当該低温再生室内において外周囲に気液分
離後の中間濃溶液が流される伝熱管で連通せしめてなる
吸収式冷凍装置。2. The interior of a single casing is divided into a plurality of chambers to form a gas-liquid separation chamber of a gas-liquid separator, a steam header chamber, a low-temperature regeneration chamber, and a condensed water receiver chamber of a low-temperature regenerator, respectively. Then, the gas-liquid separation chamber and the steam header chamber are communicated with each other by partitioning the partition with an open top, the steam header chamber and the condensed water receiver chamber, steam flows inside, and An absorption refrigerating apparatus, which is connected to a heat transfer tube through which the intermediate concentrated solution after gas-liquid separation flows is passed through the low temperature regeneration chamber to the outside of the low temperature regeneration chamber. 【請求項３】 冷媒として水、吸収液として臭化リチウ
ムを使用したことを特徴とする請求項１又は２記載の吸
収式冷凍装置。3. The absorption refrigeration system according to claim 1, wherein water is used as a refrigerant, and lithium bromide is used as an absorption liquid.