JP2000283589A - Vapor heating absoption water cooling/heating machine - Google Patents

Vapor heating absoption water cooling/heating machine

Info

Publication number
JP2000283589A
JP2000283589A JP11091074A JP9107499A JP2000283589A JP 2000283589 A JP2000283589 A JP 2000283589A JP 11091074 A JP11091074 A JP 11091074A JP 9107499 A JP9107499 A JP 9107499A JP 2000283589 A JP2000283589 A JP 2000283589A
Authority
JP
Japan
Prior art keywords
solution
temperature regenerator
temperature
low
refrigerant vapor
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
Application number
JP11091074A
Other languages
Japanese (ja)
Other versions
JP3724975B2 (en
Inventor
Takahiro Sakuma
貴洋 佐久間
Satoshi Miyake
聡 三宅
Shuichiro Uchida
修一郎 内田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP09107499A priority Critical patent/JP3724975B2/en
Publication of JP2000283589A publication Critical patent/JP2000283589A/en
Application granted granted Critical
Publication of JP3724975B2 publication Critical patent/JP3724975B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

Landscapes

  • Sorption Type Refrigeration Machines (AREA)

Abstract

PROBLEM TO BE SOLVED: To control a dilute solution by a condensed solution without rendering the size large and stably control vapor as a heating source in a region from high load to partial load. SOLUTION: Control means 16, 17 which are provided to a piping system on this side of divergence, are fixed to the regenerator 11 in order to control a dilute solution, which is transferred from an absorber 4 to a high temperature regenerator 11 and a low temperature regenerator 9, by a condensed solution which is transferred from the regenerator 11 to the absorber 4. Further, the piping system on this side of divergence is provided with a drain cooler 19 for exchanging heat of the dilute solution which is transferred from the absorber 4 to the regenerator 11 and the regenerator 9, with the heat of the vapor from the regenerator 11 after heating. Furthermore, there are provided a low temperature solution heat exchanger 8 and a high temperature solution heat exchanger 10 for exchanging heat of the dilute solution with that of the condensed solution separated with refrigerant at the front and rear of the control means 16, 17, respectively.

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】本発明は、外部熱源から供給
される蒸気を加熱源とする蒸気焚吸収冷温水機に係り、
一部の濃溶液で全稀溶液を制御して高負荷から部分負荷
域まですぐれた運転特性を得ることができ、また、外部
熱源から供給された蒸気を安定して低温度に環水できる
蒸気焚吸収冷温水機に関するものである。
The present invention relates to a steam-fired absorption chiller / heater using steam supplied from an external heat source as a heating source,
Steam that can control the whole diluted solution with a part of concentrated solution to obtain excellent operation characteristics from high load to partial load range, and can stably recirculate steam supplied from an external heat source to low temperature It relates to a fired absorption chiller / heater.

【0002】[0002]

【従来の技術】従来の吸収冷温水機においては、たとえ
ば特開平10―38402号公報に記載されるように、
切替弁の操作により蒸発器から冷水と温水の取出しとを
可能にし、冷水もしくは温水の取出し時のいずれにおい
ても外部熱源から供給される蒸気を環水していた。外部
熱源から供給される蒸気は、吸収器から高温再生器に送
られる一部の稀溶液と熱交換されていた。
2. Description of the Related Art In a conventional absorption chiller / heater, for example, as described in JP-A-10-38402,
By operating the switching valve, it is possible to take out cold water and hot water from the evaporator, and the steam supplied from the external heat source is circulated at the time of taking out cold water or hot water. Steam from an external heat source was heat exchanged with some dilute solution sent from the absorber to the high temperature regenerator.

【0003】また、特開平05―26533号公報に記
載されるように、特に大がかりな装置を必要とせずに溶
液循環量の制御が実現され、高負荷から部分負荷域まで
運転可能なガス焚もしくは油焚の吸収冷温水機が開示さ
れている。
Further, as described in Japanese Patent Application Laid-Open No. 05-26533, control of the amount of circulating solution is realized without particularly requiring a large-scale device, and gas-fired or operable gas can be operated from a high load to a partial load region. An oil fired absorption chiller / heater is disclosed.

【0004】さらに、外部熱源から蒸気を供給して高温
再生器を加熱する蒸気焚吸収冷温水機も知られており、
その冷凍サイクルを図6で示す系統図を参照して説明す
る。
Further, a steam-fired absorption chiller / heater for heating a high-temperature regenerator by supplying steam from an external heat source is also known.
The refrigeration cycle will be described with reference to the system diagram shown in FIG.

【0005】1は蒸発器で、冷媒は冷媒ポンプ2によっ
て循環して蒸発器伝熱管3の表面に散布される。冷媒は
冷水と熱交換して、蒸気に変化する。発生した冷媒蒸気
は吸収器4に送られ、伝熱管6の表面に散布された溶液
に吸収される。冷媒蒸気を吸収した稀溶液は、溶液ポン
プ5により稀溶液配管7で低温溶液熱交換器8を経て一
部は稀溶液配管7bで低温再生器9へ、残りは稀溶液配
管7aで高温溶液熱交換器10を経て高温再生器11へ
送られる。稀溶液は、高温再生器11で蒸気配管18内
を流通する蒸気によって加熱され、冷媒蒸気を稀溶液か
ら分離する。
[0005] Reference numeral 1 denotes an evaporator. The refrigerant is circulated by a refrigerant pump 2 and dispersed on the surface of an evaporator heat transfer tube 3. The refrigerant exchanges heat with cold water and changes to steam. The generated refrigerant vapor is sent to the absorber 4 and is absorbed by the solution sprayed on the surface of the heat transfer tube 6. The dilute solution that has absorbed the refrigerant vapor passes through the low-temperature solution heat exchanger 8 in the dilute solution pipe 7 by the solution pump 5, partially flows into the low-temperature regenerator 9 through the dilute solution pipe 7 b, and the remainder flows through the dilute solution pipe 7 a. It is sent to the high temperature regenerator 11 via the exchanger 10. The dilute solution is heated by the steam flowing through the steam pipe 18 in the high-temperature regenerator 11 to separate the refrigerant vapor from the dilute solution.

【0006】また、低温再生器9においては、稀溶液は
高温再生器11で発生した冷媒蒸気を加熱源として冷媒
蒸気を分離する。冷媒蒸気を分離した濃溶液は、高温再
生器11から濃溶液配管12aで高温溶液熱交換器10
と低温溶液熱交換器8とを経て吸収器4へ送られる。低
温再生器9において冷媒蒸気を分離した濃溶液は、濃溶
液配管12bで低温溶液熱交換器8を経て吸収器4へ送
られる。低温再生器9で発生した冷媒蒸気は凝縮器13
へ送られ、吸収器伝熱管6の表面で凝縮する。凝縮した
冷媒は蒸発器1へ送られる。
In the low-temperature regenerator 9, the diluted solution separates the refrigerant vapor using the refrigerant vapor generated in the high-temperature regenerator 11 as a heating source. The concentrated solution from which the refrigerant vapor has been separated is supplied from the high-temperature regenerator 11 to the high-temperature solution heat exchanger
, And sent to the absorber 4 through the low-temperature solution heat exchanger 8. The concentrated solution from which the refrigerant vapor has been separated in the low-temperature regenerator 9 is sent to the absorber 4 via the low-temperature solution heat exchanger 8 through the concentrated solution pipe 12b. The refrigerant vapor generated in the low-temperature regenerator 9 is supplied to the condenser 13
And is condensed on the surface of the absorber heat transfer tube 6. The condensed refrigerant is sent to the evaporator 1.

【0007】一方、高温再生器11で加熱源として利用
された蒸気は、吸収器4から低温再生器9へ送られるド
レンクーラ19において稀溶液と熱交換して低温度で環
水される。高温再生器11の加熱源の蒸気量は、温度調
節装置14からの命令を受けて蒸気制御弁15により制
御される。フロートバルブ16は吸収器4からの一部の
稀溶液を制御するため稀溶液配管7aに設置されてお
り、フロートボックス17は濃溶液を高温再生器11か
ら吸収器4へ供給する濃溶液配管12aに配置されてい
る。
On the other hand, the steam used as a heating source in the high-temperature regenerator 11 exchanges heat with the dilute solution in the drain cooler 19 sent from the absorber 4 to the low-temperature regenerator 9 and is returned at low temperature. The steam amount of the heating source of the high-temperature regenerator 11 is controlled by a steam control valve 15 in response to a command from the temperature controller 14. The float valve 16 is provided on the dilute solution pipe 7a for controlling a part of the dilute solution from the absorber 4, and the float box 17 is provided with the concentrated solution pipe 12a for supplying the concentrated solution from the high temperature regenerator 11 to the absorber 4. Are located in

【0008】[0008]

【発明が解決しようとする課題】上記特開平10―38
402号公報に記載のものは、外部熱源から供給される
蒸気は吸収器から高温再生器へ送られる一部の稀溶液と
熱交換して環水しているが、高温再生器から吸収器へ送
られる濃溶液によって全稀溶液を制御することについて
は配慮されていなかった。
DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
No. 402, the steam supplied from the external heat source exchanges heat with a part of the dilute solution sent from the absorber to the high-temperature regenerator to form a water ring. No consideration was given to controlling the total dilute solution by the concentrated solution sent.

【0009】また、特開平05―26533号公報に記
載のものは、特に大がかりな装置を必要とせずに溶液循
環量が制御され、高負荷から部分負荷域まで運転可能の
ものであるが、高温再生器の加熱源がガス焚もしくは油
焚に限られたものであった。
The one described in Japanese Patent Application Laid-Open No. 05-26533 controls the amount of solution circulation without requiring a particularly large-scale device, and can operate from a high load to a partial load range. The heating source of the regenerator was limited to gas-fired or oil-fired.

【0010】さらに、図6に示される蒸気焚吸収冷温水
機においても、高温再生器から吸収器へ送られる濃溶液
によって全稀溶液を制御する構成については配慮されて
いなかった。
Further, in the steam-fired absorption chiller / heater shown in FIG. 6, no consideration has been given to a configuration for controlling the total dilute solution by the concentrated solution sent from the high-temperature regenerator to the absorber.

【0011】本発明は、上記従来の技術の課題を解決す
るためになされたもので、その目的は、加熱源が外部熱
源から供給される蒸気を熱源とする蒸気焚においても装
置を大形化することなく、一部の濃溶液で全稀溶液を制
御することのできる蒸気焚吸収冷温水機を提供すること
にある。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art. It is an object of the present invention to increase the size of an apparatus even in a case of using steam supplied from an external heat source as a heat source. SUMMARY OF THE INVENTION An object of the present invention is to provide a steam-fired absorption chiller / heater which can control a total dilute solution with a part of a concentrated solution without performing.

【0012】また、本発明の他の目的は、高負荷から部
分負荷域まで外部熱源から供給される蒸気を安定して低
温度で環水する蒸気焚吸収冷温水機を提供することにあ
る。
It is another object of the present invention to provide a steam-fired absorption chiller / heater that stably circulates steam supplied from an external heat source at a low temperature from a high load to a partial load region.

【0013】[0013]

【課題を解決するための手段】上記目的を達成するため
に、本発明の蒸気焚吸収冷温水機に係る発明の構成は、
外部熱源から供給される蒸気を加熱源として冷媒蒸気を
溶液から分離する高温再生器と、この高温再生器で分離
した冷媒蒸気を加熱源として冷媒蒸気を溶液から分離す
る低温再生器と、この低温再生器で分離した冷媒蒸気を
液化する凝縮器と、この凝縮器で液化した冷媒を蒸気に
変える蒸発器と、この蒸発器で発生した冷媒蒸気を溶液
に吸収させる吸収器と、冷媒蒸気を吸収した稀溶液を吸
収器から高温再生器および低温再生器に並行して送るた
めに分岐した配管系とを備える蒸気焚吸収冷温水機にお
いて、前記高温再生器から吸収器に送られる濃溶液によ
って吸収器から高温再生器および低温再生器に送られる
稀溶液を制御するため、前記分岐前の配管系に設けられ
た制御手段を前記高温再生器に取り付け、前記吸収器か
ら高温再生器および低温再生器に送られる稀溶液と前記
高温再生器を加熱後の蒸気とを熱交換するドレンクーラ
を、前記分岐前の配管系に設け、前記制御手段の前後に
おいて稀溶液と冷媒を分離した濃溶液とをそれぞれ熱交
換する低温溶液熱交換器および高温溶液熱交換器とを設
けるものである。
Means for Solving the Problems In order to achieve the above object, the structure of the invention relating to the steam-fired absorption chiller / heater of the present invention is as follows.
A high-temperature regenerator that separates refrigerant vapor from a solution by using steam supplied from an external heat source as a heating source; a low-temperature regenerator that separates refrigerant vapor from a solution by using the refrigerant vapor separated by the high-temperature regenerator as a heating source; A condenser that liquefies the refrigerant vapor separated by the regenerator, an evaporator that converts the refrigerant liquefied by the condenser into vapor, an absorber that absorbs the refrigerant vapor generated by the evaporator into a solution, and absorbs the refrigerant vapor And a piping system branched to send the diluted solution from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel, in a steam-fired absorption chiller / heater with a concentrated solution sent from the high-temperature regenerator to the absorber. In order to control the dilute solution sent to the high-temperature regenerator and low-temperature regenerator from the vessel, control means provided in the piping system before the branch is attached to the high-temperature regenerator, and the high-temperature regenerator and A drain cooler for exchanging heat between the dilute solution sent to the low-temperature regenerator and steam after heating the high-temperature regenerator is provided in the piping system before the branch, and the concentrated solution obtained by separating the dilute solution and the refrigerant before and after the control means. And a low-temperature solution heat exchanger and a high-temperature solution heat exchanger for exchanging heat respectively.

【0014】また、上記目的を達成するために、本発明
の蒸気焚吸収冷温水機に係る発明の構成は、外部熱源か
ら供給される蒸気を加熱源として冷媒蒸気を溶液から分
離する高温再生器と、この高温再生器で分離した冷媒蒸
気を加熱源として冷媒蒸気を溶液から分離する低温再生
器と、この低温再生器で分離した冷媒蒸気を液化する凝
縮器と、この凝縮器で液化した冷媒を蒸気に変える蒸発
器と、この蒸発器で発生した冷媒蒸気を溶液に吸収させ
る吸収器と、冷媒蒸気を吸収した稀溶液を吸収器から高
温再生器および低温再生器に並行して送るために分岐し
た配管系とを備える蒸気焚吸収冷温水機において、前記
高温再生器から吸収器に送られる濃溶液によって吸収器
から高温再生器および低温再生器に送られる稀溶液を制
御するため、前記分岐前の配管系に設けられた制御手段
を前記高温再生器に取り付け、前記吸収器から低温再生
器に送られる稀溶液と前記高温再生器を加熱後の蒸気と
を熱交換するドレンクーラを、前記分岐後の低温再生器
の配管系に設け、前記制御手段の前後において稀溶液と
冷媒を分離した濃溶液とをそれぞれ熱交換する低温溶液
熱交換器および高温溶液熱交換器とを設けるものであ
る。
According to another aspect of the present invention, there is provided a high-temperature regenerator for separating refrigerant vapor from a solution using steam supplied from an external heat source as a heating source. And a low-temperature regenerator that separates the refrigerant vapor from the solution using the refrigerant vapor separated by the high-temperature regenerator as a heating source, a condenser that liquefies the refrigerant vapor separated by the low-temperature regenerator, and a refrigerant that is liquefied by the condenser An evaporator that converts the vapor into vapor, an absorber that absorbs the refrigerant vapor generated by the evaporator into a solution, and a dilute solution that absorbs the refrigerant vapor is sent from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In a steam-fired absorption chiller / heater equipped with a branched piping system, the concentrated solution sent from the high-temperature regenerator to the absorber controls the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator, A control means provided in the piping system at the front is attached to the high-temperature regenerator, and a drain cooler that exchanges heat between the dilute solution sent from the absorber to the low-temperature regenerator and steam after heating the high-temperature regenerator, A low-temperature solution heat exchanger and a high-temperature solution heat exchanger, which are provided in a piping system of a low-temperature regenerator after branching, and perform heat exchange between a dilute solution and a concentrated solution obtained by separating a refrigerant before and after the control means, respectively. .

【0015】さらにまた、上記目的を達成するために、
本発明の蒸気焚吸収冷温水機に係る発明の構成は、外部
熱源から供給される蒸気を加熱源として冷媒蒸気を溶液
から分離する高温再生器と、この高温再生器で分離した
冷媒蒸気を加熱源として冷媒蒸気を溶液から分離する低
温再生器と、この低温再生器で分離した冷媒蒸気を液化
する凝縮器と、この凝縮器で液化した冷媒を蒸気に変え
る蒸発器と、この蒸発器で発生した冷媒蒸気を溶液に吸
収させる吸収器と、冷媒蒸気を吸収した稀溶液を吸収器
から高温再生器および低温再生器に並行して送るために
分岐した配管系とを備える蒸気焚吸収冷温水機におい
て、前記高温再生器から吸収器に送られる濃溶液によっ
て吸収器から高温再生器および低温再生器に送られる稀
溶液を制御するため、前記分岐前の配管系に設けられた
制御手段を前記高温再生器に取り付け、前記吸収器から
高温再生器に送られる稀溶液と前記高温再生器を加熱後
の蒸気とを熱交換するドレンクーラを、前記分岐後の高
温再生器の配管系に設け、前記制御手段の前後において
稀溶液と冷媒を分離した濃溶液とをそれぞれ熱交換する
低温溶液熱交換器および高温溶液熱交換器とを設けるも
のである。
Further, in order to achieve the above object,
The configuration of the invention according to the steam-fired absorption chiller / heater of the present invention includes a high-temperature regenerator that separates refrigerant vapor from a solution using steam supplied from an external heat source as a heating source, and heats the refrigerant vapor separated by the high-temperature regenerator. A low-temperature regenerator that separates refrigerant vapor from the solution as a source, a condenser that liquefies the refrigerant vapor separated by this low-temperature regenerator, an evaporator that converts the refrigerant liquefied by this condenser into vapor, and a gas that is generated by this evaporator Steam-absorbing chiller / heater comprising: an absorber for absorbing refrigerant vapor into a solution; and a piping system branched to send the dilute solution having absorbed refrigerant vapor from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In order to control the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator by the concentrated solution sent to the absorber from the high-temperature regenerator, the control means provided in the piping system before the branch is controlled by the high-temperature A drain cooler attached to the creature and exchanging heat between the dilute solution sent from the absorber to the high-temperature regenerator and steam after heating the high-temperature regenerator is provided in a piping system of the high-temperature regenerator after the branch, and the control is performed. Before and after the means, a low-temperature solution heat exchanger and a high-temperature solution heat exchanger for heat exchange between the dilute solution and the concentrated solution obtained by separating the refrigerant are provided.

【0016】さらにまた、上記目的を達成するために、
本発明の蒸気焚吸収冷温水機に係る発明の構成は、外部
熱源から供給される蒸気を加熱源として冷媒蒸気を溶液
から分離する高温再生器と、この高温再生器で分離した
冷媒蒸気を加熱源として冷媒蒸気を溶液から分離する低
温再生器と、この低温再生器で分離した冷媒蒸気を液化
する凝縮器と、この凝縮器で液化した冷媒を蒸気に変え
る蒸発器と、この蒸発器で発生した冷媒蒸気を溶液に吸
収させる吸収器と、冷媒蒸気を吸収した稀溶液を吸収器
から高温再生器および低温再生器に並行して送るために
分岐した配管系とを備える蒸気焚吸収冷温水機におい
て、前記高温再生器から吸収器に送られる濃溶液によっ
て吸収器から高温再生器および低温再生器に送られる稀
溶液を制御するため、前記分岐前の配管系に設けられた
制御手段を前記高温再生器に取り付け、前記吸収器から
低温再生器に送られる稀溶液と前記高温再生器を加熱後
の蒸気とを熱交換するドレンクーラを、前記分岐後の低
温再生器の配管系に設け、前記制御手段の後において稀
溶液と冷媒を分離した濃溶液とをそれぞれ熱交換する低
温溶液熱交換器および高温溶液熱交換器とを設けるもの
である。
Further, in order to achieve the above object,
The configuration of the invention according to the steam-fired absorption chiller / heater of the present invention includes a high-temperature regenerator that separates refrigerant vapor from a solution using steam supplied from an external heat source as a heating source, and heats the refrigerant vapor separated by the high-temperature regenerator. A low-temperature regenerator that separates the refrigerant vapor from the solution as a source, a condenser that liquefies the refrigerant vapor separated by the low-temperature regenerator, an evaporator that converts the refrigerant liquefied by the condenser into vapor, and a gas generated by the evaporator Steam-fired absorption chiller / heater comprising: an absorber that absorbs the cooled refrigerant vapor into the solution; and a piping system that branches the dilute solution that has absorbed the refrigerant vapor from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In order to control the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator by the concentrated solution sent to the absorber from the high-temperature regenerator, the control means provided in the piping system before the branch is controlled by the high-temperature A drain cooler attached to a creature and exchanging heat between the dilute solution sent from the absorber to the low-temperature regenerator and steam after heating the high-temperature regenerator is provided in a piping system of the low-temperature regenerator after the branch, and the control is performed. After the means, a low-temperature solution heat exchanger and a high-temperature solution heat exchanger for performing heat exchange between the dilute solution and the concentrated solution obtained by separating the refrigerant, respectively, are provided.

【0017】さらにまた、上記目的を達成するために、
本発明の蒸気焚吸収冷温水機に係る発明の構成は、外部
熱源から供給される蒸気を加熱源として冷媒蒸気を溶液
から分離する高温再生器と、この高温再生器で分離した
冷媒蒸気を加熱源として冷媒蒸気を溶液から分離する低
温再生器と、この低温再生器で分離した冷媒蒸気を液化
する凝縮器と、この凝縮器で液化した冷媒を蒸気に変え
る蒸発器と、この蒸発器で発生した冷媒蒸気を溶液に吸
収させる吸収器と、冷媒蒸気を吸収した稀溶液を吸収器
から高温再生器および低温再生器に並行して送るために
分岐した配管系とを備える蒸気焚吸収冷温水機におい
て、前記高温再生器から吸収器に送られる濃溶液によっ
て吸収器から高温再生器および低温再生器に送られる稀
溶液を制御するため、前記分岐前の配管系に設けられた
制御手段を前記高温再生器に取り付け、前記吸収器から
送られる稀溶液と前記高温再生器を加熱後の蒸気とを熱
交換するドレンクーラを、前記分岐前の配管系からさら
に分岐した高温再生器の配管系に設け、前記制御手段の
後において稀溶液と冷媒を分離した濃溶液とをそれぞれ
熱交換する低温溶液熱交換器および高温溶液熱交換器と
を設けるものである。
Further, in order to achieve the above object,
The configuration of the invention according to the steam-fired absorption chiller / heater of the present invention includes a high-temperature regenerator that separates refrigerant vapor from a solution using steam supplied from an external heat source as a heating source, and heats the refrigerant vapor separated by the high-temperature regenerator. A low-temperature regenerator that separates the refrigerant vapor from the solution as a source, a condenser that liquefies the refrigerant vapor separated by the low-temperature regenerator, an evaporator that converts the refrigerant liquefied by the condenser into vapor, and a gas generated by the evaporator Steam-absorbing chiller / heater comprising: an absorber for absorbing refrigerant vapor into a solution; and a piping system branched to send the dilute solution having absorbed refrigerant vapor from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In order to control the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator by the concentrated solution sent to the absorber from the high-temperature regenerator, the control means provided in the piping system before the branch is controlled by the high-temperature A drain cooler attached to the creature and exchanging heat between the diluted solution sent from the absorber and the steam after heating the high-temperature regenerator is provided in the piping system of the high-temperature regenerator further branched from the piping system before the branch, After the control means, a low-temperature solution heat exchanger and a high-temperature solution heat exchanger for exchanging heat between the dilute solution and the concentrated solution obtained by separating the refrigerant are provided.

【0018】[0018]

【発明の実施の形態】以下、本発明の実施例を図を参照
して説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

【0019】[実施例1]図1は、本発明の第1の実施
例に係る蒸気焚吸収冷温水機のサイクル系統図である。
Embodiment 1 FIG. 1 is a cycle diagram of a steam-fired absorption chiller / heater according to a first embodiment of the present invention.

【0020】蒸発器1は、内圧が約百分の一気圧に保た
れている。冷媒である水は冷媒ポンプ2によって循環し
て内部に冷水が流通している蒸発器伝熱管3の表面に散
布される。これにより冷媒は冷水と熱交換して、形態を
水から蒸気に変化する。発生した冷媒蒸気は低圧に保た
れた吸収器4に送られ、内部に冷却水が流通している吸
収器伝熱管6の表面に散布された溶液(臭化リチウム水
溶液)に吸収される。冷媒蒸気を吸収した稀溶液は、溶
液ポンプ5により稀溶液配管7で低温溶液熱交換器8を
経て一部は稀溶液配管7bで低温再生器9へ、残りは稀
溶液配管7aで高温溶液熱交換器10を経て高温再生器
11へ送られる。
The internal pressure of the evaporator 1 is maintained at about 1/100 atm. Water as the refrigerant is circulated by the refrigerant pump 2 and is sprayed on the surface of the evaporator heat transfer tube 3 in which the cold water flows. As a result, the refrigerant exchanges heat with cold water and changes its form from water to steam. The generated refrigerant vapor is sent to the absorber 4 maintained at a low pressure, and is absorbed by a solution (aqueous lithium bromide solution) sprayed on the surface of the absorber heat transfer tube 6 in which cooling water flows. The dilute solution that has absorbed the refrigerant vapor passes through the low-temperature solution heat exchanger 8 in the dilute solution pipe 7 by the solution pump 5, partially flows into the low-temperature regenerator 9 through the dilute solution pipe 7 b, and the remainder flows through the dilute solution pipe 7 a. It is sent to the high temperature regenerator 11 via the exchanger 10.

【0021】稀溶液は、高温再生器11では外部熱源か
ら供給される蒸気配管18内を流通する蒸気により加熱
され、冷媒蒸気を稀溶液から分離する。また、低温再生
器9では、稀溶液は高温再生器11で発生した冷媒蒸気
を加熱源として冷媒蒸気を稀溶液から分離する。
In the high-temperature regenerator 11, the diluted solution is heated by the steam flowing through the steam pipe 18 supplied from an external heat source, and separates the refrigerant vapor from the diluted solution. In the low-temperature regenerator 9, the dilute solution is separated from the dilute solution by using the refrigerant vapor generated in the high-temperature regenerator 11 as a heating source.

【0022】冷媒蒸気を分離した濃溶液は、高温再生器
11からは、濃溶液配管12aで高温溶液熱交換器10
と低温溶液熱交換器8とを経て吸収器4へ送られる。低
温再生器9からは、濃溶液配管12bで低温溶液熱交換
器8を経て吸収器4へ送られる。低温再生器9で発生し
た冷媒蒸気は低圧に保たれた凝縮器13へ送られ、内部
に冷却水が流通している吸収器伝熱管6の表面で凝縮す
る。凝縮した冷媒は蒸発器1へ送られ、サイクルを一巡
する。
The concentrated solution from which the refrigerant vapor has been separated is sent from the high-temperature regenerator 11 to the high-temperature solution heat exchanger 10 through the concentrated solution pipe 12a.
, And sent to the absorber 4 through the low-temperature solution heat exchanger 8. From the low-temperature regenerator 9, the water is sent to the absorber 4 via the low-temperature solution heat exchanger 8 through the concentrated solution pipe 12 b. The refrigerant vapor generated in the low-temperature regenerator 9 is sent to the condenser 13 maintained at a low pressure, and is condensed on the surface of the absorber heat transfer tube 6 in which cooling water flows. The condensed refrigerant is sent to the evaporator 1 and goes through a cycle.

【0023】一方、高温再生器11で稀溶液を加熱する
ため外部熱源から供給された蒸気は、吸収器4から高温
再生器11及び低温再生器9へ稀溶液配管7a及び7b
によって送られる前の配管に配置されたドレンクーラ1
9において、稀溶液と熱交換をして環水される。
On the other hand, steam supplied from an external heat source for heating the dilute solution in the high-temperature regenerator 11 is supplied from the absorber 4 to the high-temperature regenerator 11 and the low-temperature regenerator 9 by the dilute solution pipes 7a and 7b.
Drain cooler 1 placed in the pipe before being sent by
At 9, the water is exchanged with the dilute solution by heat exchange.

【0024】高温再生器11の加熱源である外部熱源か
ら供給される蒸気の量は、温度調節装置14からの命令
を受けて蒸気制御弁15によって制御される。フロート
バルブ16は、吸収器4から送られる稀溶液配管7に設
置されている。フロートボックス17は、高温再生器1
1から吸収器4に供給される濃溶液配管12aに設置さ
れている。これらフロートバルブ16とフロートボック
ス17とによって、高温再生器11から吸収器4に供給
される濃溶液によって吸収器4から送られる全稀溶液を
制御する制御手段を構成している。
The amount of steam supplied from an external heat source, which is a heating source of the high-temperature regenerator 11, is controlled by a steam control valve 15 in response to a command from the temperature controller 14. The float valve 16 is installed in the diluted solution pipe 7 sent from the absorber 4. The float box 17 is a high-temperature regenerator 1
It is installed in a concentrated solution pipe 12a supplied from 1 to the absorber 4. The float valve 16 and the float box 17 constitute control means for controlling the total dilute solution sent from the absorber 4 by the concentrated solution supplied from the high-temperature regenerator 11 to the absorber 4.

【0025】上記構成により、高温再生器11から吸収
器4に供給される濃溶液によって吸収器4から送られる
全稀溶液を制御することができ、この全稀溶液と熱交換
するために必要な蒸気量を蒸気制御弁15で制御するこ
とができ、高負荷から部分負荷域まで効率の良い運転を
行うことができる。また、ドレンクーラ19において、
稀溶液と熱交換して安定して低温度(約90℃)で環水
することができる。
With the above configuration, the total diluted solution sent from the absorber 4 can be controlled by the concentrated solution supplied from the high-temperature regenerator 11 to the absorber 4, and necessary for exchanging heat with the total diluted solution. The amount of steam can be controlled by the steam control valve 15, and efficient operation can be performed from a high load to a partial load region. In the drain cooler 19,
Heat exchange with dilute solution enables stable water circulation at low temperature (about 90 ° C).

【0026】[実施例2]図2は、本発明の第2の実施
例に係る蒸気焚吸収冷温水機のサイクル系統図である。
図中、図1と同一符号のものは同等部分であるから、そ
の説明を省略する。
Embodiment 2 FIG. 2 is a cycle system diagram of a steam-fired absorption chiller / heater according to a second embodiment of the present invention.
In the figure, the same reference numerals as those in FIG. 1 denote the same parts, and a description thereof will be omitted.

【0027】図2の実施例が、図1の実施例と異なる点
は、ドレンクーラ19を低温再生器9に送られる稀溶液
配管7bに設置して加熱源である外部熱源から供給され
る蒸気と熱交換を行うことにある。
The embodiment of FIG. 2 is different from the embodiment of FIG. 1 in that a drain cooler 19 is installed in a dilute solution pipe 7b sent to a low-temperature regenerator 9 so that steam supplied from an external heat source as a heating source can be removed. To perform heat exchange.

【0028】本実施例によれば、先の図1の実施例と同
様の結果が得られる。
According to this embodiment, a result similar to that of the embodiment shown in FIG. 1 can be obtained.

【0029】[実施例3]図3は、本発明の第3の実施
例に係る蒸気焚吸収冷温水機のサイクル系統図である。
図中、図1と同一符号のものは同等部分であるから、そ
の説明を省略する。
[Embodiment 3] FIG. 3 is a cycle diagram of a steam-fired absorption chiller / heater according to a third embodiment of the present invention.
In the figure, the same reference numerals as those in FIG. 1 denote the same parts, and a description thereof will be omitted.

【0030】図3の実施例が、図1の実施例と異なる点
は、ドレンクーラ19を高温再生器11に送られる稀溶
液配管7aに設置して加熱源である高温の蒸気と熱交換
を行うことにある。
The embodiment of FIG. 3 is different from the embodiment of FIG. 1 in that a drain cooler 19 is installed in a dilute solution pipe 7a sent to a high-temperature regenerator 11 to exchange heat with high-temperature steam as a heating source. It is in.

【0031】本実施例によれば、先の図1の各実施例と
同様の結果が得られる。
According to this embodiment, the same result as that of each embodiment of FIG. 1 can be obtained.

【0032】[実施例4]図4は、本発明の第4の実施
例に係る蒸気焚吸収冷温水機のサイクル系統図である。
図中、図1と同一符号のものは同等部分であるから、そ
の説明を省略する。
Fourth Embodiment FIG. 4 is a cycle diagram of a steam-fired absorption chiller / heater according to a fourth embodiment of the present invention.
In the figure, components having the same reference numerals as those in FIG.

【0033】図4の実施例が、図1の実施例と異なる点
は、吸収器4からの全稀溶液を直接フロートバルブ16
を有するフロートボックス17に送り、フロートボック
ス17通過後、一部稀溶液は低温溶液熱交換器8及び高
温溶液熱交換器10を経て高温再生器11へ、残りは低
温再生器9へ送ることにある。そして、ドレンクーラ1
9を低温再生器9に送られる稀溶液配管7bに設置して
加熱源である外部熱源から供給される蒸気と熱交換を行
うことにある。
The embodiment of FIG. 4 differs from the embodiment of FIG. 1 in that the dilute solution from the absorber 4 is directly supplied to the float valve 16.
After passing through the float box 17, the partially diluted solution is sent to the high-temperature regenerator 11 through the low-temperature solution heat exchanger 8 and the high-temperature solution heat exchanger 10, and the rest is sent to the low-temperature regenerator 9. is there. And drain cooler 1
9 is provided in the dilute solution pipe 7b sent to the low-temperature regenerator 9 to perform heat exchange with steam supplied from an external heat source as a heating source.

【0034】本実施例によれば、先の図1の各実施例と
同様の結果が得られる。
According to this embodiment, the same result as that of each embodiment shown in FIG. 1 can be obtained.

【0035】[実施例5]図5は、本発明の第5の実施
例に係る蒸気焚吸収冷温水機のサイクル系統図である。
図中、図1と同一符号のものは同等部分であるから、そ
の説明を省略する。
[Embodiment 5] FIG. 5 is a cycle system diagram of a steam-fired absorption chiller / heater according to a fifth embodiment of the present invention.
In the figure, components having the same reference numerals as those in FIG.

【0036】図5の実施例が図1の実施例と異なる点
は、まず、吸収器4からの全稀溶液を直接フロートバル
ブ16を有するフロートボックス17に送り、フロート
ボックス17通過後、一部稀溶液は直接高温再生器11
へ、残りは低温溶液熱交換器8及び高温溶液熱交換器1
0を経て高温再生器11へ送ることにある。そして、ド
レンクーラ19を高温再生器11へ送液する稀溶液配管
7cに設置して加熱源である外部熱源から供給される蒸
気と熱交換を行うことにある。
The embodiment of FIG. 5 is different from the embodiment of FIG. 1 in that first, the entire dilute solution from the absorber 4 is directly sent to a float box 17 having a float valve 16, and after passing through the float box 17, a part thereof is partially removed. Dilute solution is directly supplied to high-temperature regenerator 11
And the rest are the low-temperature solution heat exchanger 8 and the high-temperature solution heat exchanger 1
0 to the high-temperature regenerator 11. Then, the drain cooler 19 is provided in the dilute solution pipe 7c for sending the liquid to the high temperature regenerator 11, and performs heat exchange with steam supplied from an external heat source which is a heating source.

【0037】本実施例によれば、先の図1の各実施例と
同様の結果が得られる。
According to this embodiment, the same result as that of each embodiment shown in FIG. 1 can be obtained.

【0038】[0038]

【発明の効果】以上、詳細に説明したように、本発明に
よれば、一部の濃溶液で全稀溶液を制御することによっ
て高負荷から部分負荷域まですぐれた運転特性の得られ
る蒸気焚吸収冷温水機を提供することができる。
As described above in detail, according to the present invention, by controlling the total dilute solution with a part of the concentrated solution, the steam-fired method having excellent operation characteristics from a high load to a partial load region can be obtained. An absorption chiller / heater can be provided.

【0039】また、外部熱源から供給された蒸気を安定
して低温度(約90℃)で環水できる蒸気焚吸収冷温水
機を提供することができる。
Further, it is possible to provide a steam-fired absorption chiller / heater capable of stably circulating steam supplied from an external heat source at a low temperature (about 90 ° C.).

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

【図1】本発明の第1の実施例に係る蒸気焚吸収冷温水
機のサイクル系統図である。
FIG. 1 is a cycle system diagram of a steam-fired absorption chiller / heater according to a first embodiment of the present invention.

【図2】本発明の第2の実施例に係る蒸気焚吸収冷温水
機のサイクル系統図である。
FIG. 2 is a cycle diagram of a steam-fired absorption chiller / heater according to a second embodiment of the present invention.

【図3】本発明の第3の実施例に係る蒸気焚吸収冷温水
機のサイクル系統図である。
FIG. 3 is a cycle diagram of a steam-fired absorption chiller / heater according to a third embodiment of the present invention.

【図4】本発明の第4の実施例に係る蒸気焚吸収冷温水
機のサイクル系統図である。
FIG. 4 is a cycle system diagram of a steam-fired absorption chiller / heater according to a fourth embodiment of the present invention.

【図5】本発明の第5の実施例に係る蒸気焚吸収冷温水
機のサイクル系統図である。
FIG. 5 is a cycle diagram of a steam-fired absorption chiller / heater according to a fifth embodiment of the present invention.

【図6】従来の一般的な蒸気焚吸収冷温水機のサイクル
系統図である。
FIG. 6 is a cycle diagram of a conventional general steam-fired absorption chiller / heater.

【符号の説明】 1 蒸発器 2 冷媒ポンプ 3 蒸発器伝熱管 4 吸収器 5 溶液ポンプ 6 吸収器伝熱管 7、7a、7b、7c 稀溶液配管 8 低温溶液熱交換器 9 低温再生器 10 高温溶液熱交換器 11 高温再生器 12、12a、12b 濃溶液配管 13 凝縮器 14 温度調節装置 15 蒸気制御弁 16 フロートバルブ 17 フロートボックス 18 外部熱源から供給される蒸気配管 19 ドレンクーラ[Description of Signs] 1 Evaporator 2 Refrigerant pump 3 Evaporator heat transfer tube 4 Absorber 5 Solution pump 6 Absorber heat transfer tube 7, 7a, 7b, 7c Dilute solution pipe 8 Low temperature solution heat exchanger 9 Low temperature regenerator 10 High temperature solution Heat exchanger 11 High temperature regenerator 12, 12a, 12b Concentrated solution pipe 13 Condenser 14 Temperature controller 15 Steam control valve 16 Float valve 17 Float box 18 Steam pipe supplied from external heat source 19 Drain cooler

───────────────────────────────────────────────────── フロントページの続き (72)発明者 内田 修一郎 茨城県土浦市神立町603番地 株式会社日 立製作所土浦工場内 Fターム(参考) 3L093 BB11 BB23 BB29 BB31 BB32 EE25 GG04 HH02 JJ02 LL03 MM07  ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Shuichiro Uchida 603, Kandamachi, Tsuchiura-shi, Ibaraki F-term in Tsuchiura Plant, Hitachi, Ltd. 3L093 BB11 BB23 BB29 BB31 BB32 EE25 GG04 HH02 JJ02 LL03 MM07

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 外部熱源から供給される蒸気を加熱源と
して冷媒蒸気を溶液から分離する高温再生器と、この高
温再生器で分離した冷媒蒸気を加熱源として冷媒蒸気を
溶液から分離する低温再生器と、この低温再生器で分離
した冷媒蒸気を液化する凝縮器と、この凝縮器で液化し
た冷媒を蒸気に変える蒸発器と、この蒸発器で発生した
冷媒蒸気を溶液に吸収させる吸収器と、冷媒蒸気を吸収
した稀溶液を吸収器から高温再生器および低温再生器に
並行して送るために分岐した配管系とを備える蒸気焚吸
収冷温水機において、 前記高温再生器から吸収器に送られる濃溶液によって吸
収器から高温再生器および低温再生器に送られる稀溶液
を制御するため、前記分岐前の配管系に設けられた制御
手段を前記高温再生器に取り付け、 前記吸収器から高温再生器および低温再生器に送られる
稀溶液と前記高温再生器を加熱後の蒸気とを熱交換する
ドレンクーラを、前記分岐前の配管系に設け、 前記制御手段の前後において稀溶液と冷媒を分離した濃
溶液とをそれぞれ熱交換する低温溶液熱交換器および高
温溶液熱交換器とを設けることを特徴とする蒸気焚吸収
冷温水機。
1. A high-temperature regenerator for separating refrigerant vapor from a solution using steam supplied from an external heat source as a heating source, and a low-temperature regeneration for separating refrigerant vapor from a solution using the refrigerant vapor separated by the high-temperature regenerator as a heating source. A condenser that liquefies the refrigerant vapor separated by the low-temperature regenerator, an evaporator that converts the refrigerant liquefied by the condenser into vapor, and an absorber that absorbs the refrigerant vapor generated by the evaporator into a solution. A steam-fired absorption chiller / heater comprising a piping system for branching the dilute solution having absorbed the refrigerant vapor from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In order to control the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator by the concentrated solution, a control means provided in the piping system before the branch is attached to the high-temperature regenerator, from the absorber A drain cooler for exchanging heat between the dilute solution sent to the hot regenerator and the low temperature regenerator and steam after heating the high temperature regenerator is provided in the piping system before the branch, and the dilute solution and the refrigerant before and after the control means are provided. A steam-fired absorption chiller / heater comprising a low-temperature solution heat exchanger and a high-temperature solution heat exchanger for exchanging heat with the separated concentrated solution, respectively.
【請求項2】 外部熱源から供給される蒸気を加熱源と
して冷媒蒸気を溶液から分離する高温再生器と、この高
温再生器で分離した冷媒蒸気を加熱源として冷媒蒸気を
溶液から分離する低温再生器と、この低温再生器で分離
した冷媒蒸気を液化する凝縮器と、この凝縮器で液化し
た冷媒を蒸気に変える蒸発器と、この蒸発器で発生した
冷媒蒸気を溶液に吸収させる吸収器と、冷媒蒸気を吸収
した稀溶液を吸収器から高温再生器および低温再生器に
並行して送るために分岐した配管系とを備える蒸気焚吸
収冷温水機において、 前記高温再生器から吸収器に送られる濃溶液によって吸
収器から高温再生器および低温再生器に送られる稀溶液
を制御するため、前記分岐前の配管系に設けられた制御
手段を前記高温再生器に取り付け、 前記吸収器から低温再生器に送られる稀溶液と前記高温
再生器を加熱後の蒸気とを熱交換するドレンクーラを、
前記分岐後の低温再生器の配管系に設け、 前記制御手段の前後において稀溶液と冷媒を分離した濃
溶液とをそれぞれ熱交換する低温溶液熱交換器および高
温溶液熱交換器とを設けることを特徴とする蒸気焚吸収
冷温水機。
2. A high-temperature regenerator for separating refrigerant vapor from a solution using steam supplied from an external heat source as a heating source, and a low-temperature regeneration for separating refrigerant vapor from a solution using the refrigerant vapor separated by the high-temperature regenerator as a heating source. A condenser that liquefies the refrigerant vapor separated by the low-temperature regenerator, an evaporator that converts the refrigerant liquefied by the condenser into vapor, and an absorber that absorbs the refrigerant vapor generated by the evaporator into a solution. A steam-fired absorption chiller / heater comprising a piping system for branching the dilute solution having absorbed the refrigerant vapor from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In order to control the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator by the concentrated solution, a control means provided in the piping system before the branch is attached to the high-temperature regenerator. The Dorenkura for heat exchange and steam after heating the diluted solution to be sent to the hot regenerator the high temperature generator,
It is provided in a piping system of the low-temperature regenerator after the branching, and a low-temperature solution heat exchanger and a high-temperature solution heat exchanger for performing heat exchange between the dilute solution and the concentrated solution obtained by separating the refrigerant before and after the control means, respectively. Features a steam-fired absorption chiller / heater.
【請求項3】 外部熱源から供給される蒸気を加熱源と
して冷媒蒸気を溶液から分離する高温再生器と、この高
温再生器で分離した冷媒蒸気を加熱源として冷媒蒸気を
溶液から分離する低温再生器と、この低温再生器で分離
した冷媒蒸気を液化する凝縮器と、この凝縮器で液化し
た冷媒を蒸気に変える蒸発器と、この蒸発器で発生した
冷媒蒸気を溶液に吸収させる吸収器と、冷媒蒸気を吸収
した稀溶液を吸収器から高温再生器および低温再生器に
並行して送るために分岐した配管系とを備える蒸気焚吸
収冷温水機において、 前記高温再生器から吸収器に送られる濃溶液によって吸
収器から高温再生器および低温再生器に送られる稀溶液
を制御するため、前記分岐前の配管系に設けられた制御
手段を前記高温再生器に取り付け、 前記吸収器から高温再生器に送られる稀溶液と前記高温
再生器を加熱後の蒸気とを熱交換するドレンクーラを、
前記分岐後の高温再生器の配管系に設け、 前記制御手段の前後において稀溶液と冷媒を分離した濃
溶液とをそれぞれ熱交換する低温溶液熱交換器および高
温溶液熱交換器とを設けることを特徴とする蒸気焚吸収
冷温水機。
3. A high-temperature regenerator for separating refrigerant vapor from a solution using steam supplied from an external heat source as a heating source, and a low-temperature regeneration for separating refrigerant vapor from a solution using the refrigerant vapor separated by the high-temperature regenerator as a heating source. A condenser that liquefies the refrigerant vapor separated by the low-temperature regenerator, an evaporator that converts the refrigerant liquefied by the condenser into vapor, and an absorber that absorbs the refrigerant vapor generated by the evaporator into a solution. A steam-fired absorption chiller / heater comprising a piping system for branching the dilute solution having absorbed the refrigerant vapor from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In order to control the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator by the concentrated solution, a control means provided in the piping system before the branch is attached to the high-temperature regenerator. The Dorenkura for heat exchange and steam after heating the diluted solution to be sent to the hot regenerator the high temperature generator,
It is provided in a piping system of the high-temperature regenerator after the branch, and a low-temperature solution heat exchanger and a high-temperature solution heat exchanger for performing heat exchange between the dilute solution and the concentrated solution obtained by separating the refrigerant before and after the control means, respectively. Features a steam-fired absorption chiller / heater.
【請求項4】 外部熱源から供給される蒸気を加熱源と
して冷媒蒸気を溶液から分離する高温再生器と、この高
温再生器で分離した冷媒蒸気を加熱源として冷媒蒸気を
溶液から分離する低温再生器と、この低温再生器で分離
した冷媒蒸気を液化する凝縮器と、この凝縮器で液化し
た冷媒を蒸気に変える蒸発器と、この蒸発器で発生した
冷媒蒸気を溶液に吸収させる吸収器と、冷媒蒸気を吸収
した稀溶液を吸収器から高温再生器および低温再生器に
並行して送るために分岐した配管系とを備える蒸気焚吸
収冷温水機において、 前記高温再生器から吸収器に送られる濃溶液によって吸
収器から高温再生器および低温再生器に送られる稀溶液
を制御するため、前記分岐前の配管系に設けられた制御
手段を前記高温再生器に取り付け、 前記吸収器から低温再生器に送られる稀溶液と前記高温
再生器を加熱後の蒸気とを熱交換するドレンクーラを、
前記分岐後の低温再生器の配管系に設け、 前記制御手段の後において稀溶液と冷媒を分離した濃溶
液とをそれぞれ熱交換する低温溶液熱交換器および高温
溶液熱交換器とを設けることを特徴とする蒸気焚吸収冷
温水機。
4. A high-temperature regenerator for separating refrigerant vapor from a solution using steam supplied from an external heat source as a heating source, and a low-temperature regeneration for separating refrigerant vapor from a solution using the refrigerant vapor separated by the high-temperature regenerator as a heating source. A condenser that liquefies the refrigerant vapor separated by the low-temperature regenerator, an evaporator that converts the refrigerant liquefied by the condenser into vapor, and an absorber that absorbs the refrigerant vapor generated by the evaporator into a solution. A steam-fired absorption chiller / heater comprising a piping system for branching the dilute solution having absorbed the refrigerant vapor from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In order to control the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator by the concentrated solution, a control means provided in the piping system before the branch is attached to the high-temperature regenerator, from the absorber The Dorenkura for heat exchange and steam after heating the diluted solution to be sent to the hot regenerator the high temperature generator,
It is provided in the piping system of the low-temperature regenerator after the branching, and after the control means, a low-temperature solution heat exchanger and a high-temperature solution heat exchanger that exchange heat respectively with the diluted solution and the concentrated solution obtained by separating the refrigerant are provided. Features a steam-fired absorption chiller / heater.
【請求項5】 外部熱源から供給される蒸気を加熱源と
して冷媒蒸気を溶液から分離する高温再生器と、この高
温再生器で分離した冷媒蒸気を加熱源として冷媒蒸気を
溶液から分離する低温再生器と、この低温再生器で分離
した冷媒蒸気を液化する凝縮器と、この凝縮器で液化し
た冷媒を蒸気に変える蒸発器と、この蒸発器で発生した
冷媒蒸気を溶液に吸収させる吸収器と、冷媒蒸気を吸収
した稀溶液を吸収器から高温再生器および低温再生器に
並行して送るために分岐した配管系とを備える蒸気焚吸
収冷温水機において、 前記高温再生器から吸収器に送られる濃溶液によって吸
収器から高温再生器および低温再生器に送られる稀溶液
を制御するため、前記分岐前の配管系に設けられた制御
手段を前記高温再生器に取り付け、 前記吸収器から送られる稀溶液と前記高温再生器を加熱
後の蒸気とを熱交換するドレンクーラを、前記分岐前の
配管系からさらに分岐した高温再生器の配管系に設け、 前記制御手段の後において稀溶液と冷媒を分離した濃溶
液とをそれぞれ熱交換する低温溶液熱交換器および高温
溶液熱交換器とを設けることを特徴とする蒸気焚吸収冷
温水機。
5. A high-temperature regenerator for separating refrigerant vapor from a solution using steam supplied from an external heat source as a heating source, and a low-temperature regeneration for separating refrigerant vapor from a solution using the refrigerant vapor separated by the high-temperature regenerator as a heating source. A condenser that liquefies the refrigerant vapor separated by the low-temperature regenerator, an evaporator that converts the refrigerant liquefied by the condenser into vapor, and an absorber that absorbs the refrigerant vapor generated by the evaporator into a solution. A steam-fired absorption chiller / heater comprising a piping system for branching the dilute solution having absorbed the refrigerant vapor from the absorber to the high-temperature regenerator and the low-temperature regenerator in parallel. In order to control the dilute solution sent from the absorber to the high-temperature regenerator and the low-temperature regenerator by the concentrated solution, a control means provided in the piping system before the branch is attached to the high-temperature regenerator, from the absorber A drain cooler for exchanging heat between the diluted solution and the steam after heating the high-temperature regenerator is provided in a piping system of the high-temperature regenerator further branched from the piping system before the branch, and the diluted solution and the refrigerant after the control means. A steam-fired absorption chiller / heater comprising a low-temperature solution heat exchanger and a high-temperature solution heat exchanger for exchanging heat with the concentrated solution from which the water has been separated.
JP09107499A 1999-03-31 1999-03-31 Steam tank absorption chiller / heater Expired - Lifetime JP3724975B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP09107499A JP3724975B2 (en) 1999-03-31 1999-03-31 Steam tank absorption chiller / heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09107499A JP3724975B2 (en) 1999-03-31 1999-03-31 Steam tank absorption chiller / heater

Publications (2)

Publication Number Publication Date
JP2000283589A true JP2000283589A (en) 2000-10-13
JP3724975B2 JP3724975B2 (en) 2005-12-07

Family

ID=14016371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP09107499A Expired - Lifetime JP3724975B2 (en) 1999-03-31 1999-03-31 Steam tank absorption chiller / heater

Country Status (1)

Country Link
JP (1) JP3724975B2 (en)

Also Published As

Publication number Publication date
JP3724975B2 (en) 2005-12-07

Similar Documents

Publication Publication Date Title
JP2000121196A (en) Cooling/heating system utilizing waste heat
JP3578207B2 (en) Steam heating type double effect absorption refrigerator / cooler / heater, power generation / cooling / heating / hot water supply system using the same, and system control method thereof
JP2000283589A (en) Vapor heating absoption water cooling/heating machine
JP4553523B2 (en) Absorption refrigerator
WO2002018850A1 (en) Absorption refrigerating machine
JPH05256535A (en) Sorption heat pump system
JPH0237262A (en) Device for utilizing waste heat of fuel battery
JP2003343939A (en) Absorption refrigerating machine
JPS63998Y2 (en)
JP4288799B2 (en) Waste heat input type absorption refrigeration system
JP2543258B2 (en) Absorption heat source device
JPS6113885Y2 (en)
JP2645948B2 (en) Hot water absorption absorption chiller / heater
JP2004085049A (en) Waste heat input type water cooling and heating machine and operation method
KR101076923B1 (en) An absorption type chiller-heater respondable to the heating load conditions
JPH1038402A (en) Steam-heating absorption type water cooler/heater
JP3723372B2 (en) Waste heat input type absorption chiller / heater
JP3744689B2 (en) Co-generation system
JP2002372337A (en) Cogeneration system, and its control method
JPH0559161U (en) Hot water absorption absorption type cold water heater
JP2010043811A (en) Absorption water cooler-heater
JP2005106408A (en) Absorption type freezer
JP2004092968A (en) Absorption type cold and hot-water machine
JPH0752039B2 (en) Air-cooled absorption chiller / heater
JPH06257881A (en) Absorption type water cooler-heater

Legal Events

Date Code Title Description
A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20040709

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050628

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050705

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050830

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20050830

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20050913

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20050920

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080930

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080930

Year of fee payment: 3

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080930

Year of fee payment: 3

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080930

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080930

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080930

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090930

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090930

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100930

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100930

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110930

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120930

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120930

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130930

Year of fee payment: 8

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term