JPH076707B2 - Heat pump device - Google Patents
Heat pump deviceInfo
- Publication number
- JPH076707B2 JPH076707B2 JP61067290A JP6729086A JPH076707B2 JP H076707 B2 JPH076707 B2 JP H076707B2 JP 61067290 A JP61067290 A JP 61067290A JP 6729086 A JP6729086 A JP 6729086A JP H076707 B2 JPH076707 B2 JP H076707B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- heat pump
- heat source
- waste
- evaporator
- 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.)
- Expired - Lifetime
Links
- 239000002918 waste heat Substances 0.000 claims description 44
- 239000003507 refrigerant Substances 0.000 claims description 29
- 238000009835 boiling Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Central Heating Systems (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はヒートポンプ装置に関する。TECHNICAL FIELD The present invention relates to a heat pump device.
（従来の技術） 従来のヒートポンプ装置の１例が第２図に示され、R114
等の高沸点冷媒を圧縮機１、凝縮器２、絞り装置３、蒸
発器４の順に循環させることにより、蒸発器４で温廃水
や廃ガス等の廃熱５が保有する熱を汲み上げ、凝縮器２
から熱を取り出して負荷６に供給する。(Prior Art) An example of a conventional heat pump device is shown in FIG.
By circulating high-boiling-point refrigerants such as, for example, the compressor 1, the condenser 2, the expansion device 3, and the evaporator 4 in this order, the heat held by the waste heat 5 such as warm wastewater and waste gas is pumped up and condensed in the evaporator 4. Bowl 2
The heat is taken out from and supplied to the load 6.
このヒートポンプ装置では熱源となる廃熱量が不足する
場合にはヒートポンプの能力、成績係数が低下するので
負荷６に熱を安定して供給できない。In this heat pump device, when the amount of waste heat as a heat source is insufficient, the heat pump capacity and the coefficient of performance decrease, so that heat cannot be stably supplied to the load 6.
そこで、第３図に示すように、R114等の高沸点冷媒を用
いた高温ヒートポンプ20とR12、R22等の低沸点冷媒を用
いた低温ヒートポンプ30を組み合わせたカスケード型ヒ
ートポンプ装置が提案された。このカスケード型ヒート
ポンプ装置においては、高沸点冷媒を圧縮機21、凝縮器
22、絞り装置23、蒸発器24の順に循環させると同時に低
沸点冷媒を圧縮機31、蒸発器24を兼ねる凝縮器32、絞り
装置33、蒸発器34の順に循環させる。そして、蒸発器34
で空気から熱を汲み上げ、蒸発器24を兼ねる凝縮器32で
低沸点冷媒から高沸点冷媒に熱を伝達することによって
低沸点冷媒を凝縮させると同時に高沸点冷媒を蒸発さ
せ、凝縮器22から熱を取り出して負荷25に供給する。こ
のカスケード型ヒートポンプ装置は空気を熱源としてい
るので安定した運転が可能であるが総合成績係数が低く
なり、経済的な運転ができないという問題があった。Therefore, as shown in FIG. 3, a cascade type heat pump device has been proposed which combines a high temperature heat pump 20 using a high boiling point refrigerant such as R114 and a low temperature heat pump 30 using low boiling point refrigerants such as R12 and R22. In this cascade type heat pump device, the high boiling point refrigerant is supplied to the compressor 21 and the condenser.
The low boiling point refrigerant is circulated in the order of 22, the expansion device 23, and the evaporator 24, and at the same time, the low boiling point refrigerant is circulated in the order of the compressor 31, the condenser 32 also serving as the evaporator 24, the expansion device 33, and the evaporator 34. And the evaporator 34
Pumps heat from the air, and the condenser 32 also serving as the evaporator 24 transfers heat from the low boiling point refrigerant to the high boiling point refrigerant to condense the low boiling point refrigerant and at the same time evaporate the high boiling point refrigerant, and heat from the condenser 22. Is taken out and supplied to the load 25. Since this cascade heat pump device uses air as a heat source, stable operation is possible, but there is a problem that the overall coefficient of performance is low and economical operation cannot be performed.
（問題点を解決するための手段） 本発明は上記問題点を解決するために発明されたもので
あって、その要旨とするところは、圧縮機41、負荷47を
加熱するための凝縮器42、絞り装置43、廃熱46を熱源と
する蒸発器44を備え、高沸点冷媒が循環する廃熱源式高
温ヒートポンプ40と、 圧縮機51、凝縮器52、絞り装置53、外気を熱源とする蒸
発器54を備え、低沸点冷媒が循環する空気熱源式低温ヒ
ートポンプ50を具備し、 上記空気熱源式低温ヒートポンプ50の凝縮器52と熱交換
することによって上記高沸点冷媒を蒸発させるカスケー
ド型補助熱交換器45を上記廃熱源式高温ヒートポンプ40
の蒸発器44と直列に接続し、かつ、上記廃熱46の熱量が
所定値以下のとき上記空気熱源式低温ヒートポンプ50及
び上記廃熱源式高温ヒートポンプ40を同時に運転し、上
記廃熱46の熱量が所定値以上のとき上記空気熱源式低温
ヒートポンプ50を停止して上記廃熱源式高温ヒートポン
プ40のみを運転する制御手段を設けたことを特徴とする
ヒートポンプ装置にある。(Means for Solving Problems) The present invention has been invented to solve the above problems, and the gist thereof is to provide a condenser 42 for heating a compressor 41 and a load 47. A throttling device 43, an evaporator 44 using the waste heat 46 as a heat source, and a waste heat source type high temperature heat pump 40 in which a high boiling point refrigerant circulates; Equipped with an air heat source low temperature heat pump 50 in which a low boiling point refrigerant circulates, and a cascade type auxiliary heat exchange for evaporating the high boiling point refrigerant by exchanging heat with the condenser 52 of the air heat source low temperature heat pump 50. The waste heat source type high temperature heat pump 40
Connected in series with the evaporator 44, and when the heat quantity of the waste heat 46 is below a predetermined value, the air heat source low temperature heat pump 50 and the waste heat source high temperature heat pump 40 are simultaneously operated, and the heat quantity of the waste heat 46. Is greater than or equal to a predetermined value, the heat pump apparatus is provided with a control means for stopping the air heat source low temperature heat pump 50 and operating only the waste heat source high temperature heat pump 40.
（作用） 本発明においては、廃熱46の熱量が所定値以上のとき空
気熱源式低温ヒートポンプ50が停止して廃熱源式高温ヒ
ートポンプ40のみが運転されるので、高沸点冷媒は圧縮
機41、凝縮器42、絞り装置43、蒸発器44を循環し、この
際蒸発器44で廃熱46から吸熱した熱を凝縮器42で負荷47
に放熱することによってこれを加熱する。(Operation) In the present invention, since the air heat source low temperature heat pump 50 is stopped and only the waste heat source high temperature heat pump 40 is operated when the heat quantity of the waste heat 46 is equal to or greater than a predetermined value, the high boiling point refrigerant is the compressor 41, It circulates through the condenser 42, the expansion device 43, and the evaporator 44. At this time, the heat absorbed from the waste heat 46 by the evaporator 44 is loaded by the condenser 42 47.
This is heated by radiating heat to.
廃熱46の熱量が所定値以下のとき空気熱源式低温ヒート
ポンプ50及び廃熱源式高温ヒートポンプ40が同時に運転
されるので、低沸点冷媒が圧縮機51、凝縮器52、絞り装
置53、蒸発器54を循環して蒸発器54で外気から吸熱した
熱を凝縮器52においてカスケード型補助熱交換器45を流
過する高沸点冷媒に放熱してこれを蒸発させる。When the heat quantity of the waste heat 46 is less than or equal to a predetermined value, the air heat source low temperature heat pump 50 and the waste heat source high temperature heat pump 40 are simultaneously operated, so that the low boiling point refrigerant is the compressor 51, the condenser 52, the expansion device 53, and the evaporator 54. The heat absorbed from the outside air by the evaporator 54 is radiated to the high boiling point refrigerant flowing through the cascade type auxiliary heat exchanger 45 in the condenser 52 and evaporated.
（実施例） 本発明の１実施例が第１図に示されている。(Embodiment) One embodiment of the present invention is shown in FIG.
第１図において、40はR114等の高沸点冷媒を用いた廃熱
源式高温ヒートポンプで、圧縮機41、凝縮器42、絞り装
置43、廃熱46を熱源とする蒸発器44、カスケード型補助
熱交換器45からなる。50はR12、R22等の低沸点冷媒を用
いた空気熱源式低温ヒートポンプで、圧縮機51、カスケ
ード型補助熱交換器45を兼ねる凝縮器52、絞り装置53、
空気を熱源とする蒸発器54、凝縮器52の前後に配置され
た開閉弁55、56からなる。In FIG. 1, 40 is a waste heat source type high temperature heat pump that uses a high boiling point refrigerant such as R114, and includes a compressor 41, a condenser 42, a throttle device 43, an evaporator 44 using the waste heat 46 as a heat source, a cascade type auxiliary heat. It consists of the exchanger 45. 50 is an air heat source low temperature heat pump using a low boiling point refrigerant such as R12, R22, a compressor 51, a condenser 52 also serving as a cascade type auxiliary heat exchanger 45, a throttle device 53,
It comprises an evaporator 54 using air as a heat source, and opening / closing valves 55, 56 arranged before and after the condenser 52.
廃熱量が十分にあるとき、即ち、廃熱46の熱量が所定値
以上のときは開閉弁55、56を閉とし圧縮機51を停止する
ことによって空気熱源式低温ヒートポンプ50の運転を止
め、圧縮機41を駆動することによって廃熱源式高温ヒー
トポンプ40を運転する。When the amount of waste heat is sufficient, that is, when the amount of heat of the waste heat 46 is a predetermined value or more, the on-off valves 55 and 56 are closed and the compressor 51 is stopped to stop the operation of the air heat source low temperature heat pump 50 and to compress the heat. The waste heat source type high temperature heat pump 40 is operated by driving the machine 41.
すると、圧縮機41から吐出された高沸点冷媒ガスは凝縮
器42で負荷47に熱を放出することによっで凝縮した後、
絞り装置43で断熱膨張し、カスケード型補助熱交換器45
を流過して蒸発器44に入り、ここで廃熱46から吸熱する
ことにより蒸発気化して圧縮機41に戻る。Then, the high-boiling-point refrigerant gas discharged from the compressor 41 is condensed by releasing heat to the load 47 in the condenser 42,
Adiabatic expansion is performed by the expansion device 43, and the cascade type auxiliary heat exchanger 45
Flows into the evaporator 44, where it absorbs heat from the waste heat 46 to evaporate and return to the compressor 41.
廃熱46の量が十分でない場合、即ち、廃熱46の熱量が所
定値以下のときには、開閉弁55、56を開とし圧縮機51を
駆動して空気熱源式低温ヒートポンプ50を運転すると同
時に圧縮機41を駆動して廃熱源式高温ヒートポンプ40を
運転する。When the amount of the waste heat 46 is not sufficient, that is, when the amount of the waste heat 46 is less than a predetermined value, the on-off valves 55 and 56 are opened and the compressor 51 is driven to operate the air heat source low temperature heat pump 50 and simultaneously compress The machine 41 is driven to operate the waste heat source type high temperature heat pump 40.
すると、高沸点冷媒は上記と同様圧縮機41、凝縮器42、
絞り装置43を経てカスケード型補助熱交換器45に入り、
ここで低沸点冷媒と熱交換して低沸点冷媒から熱を奪っ
た後蒸発器44に入り、ここで廃熱46から吸熱することに
よって蒸発気化して、圧縮機41に戻る。一方、低沸点冷
媒は圧縮機51から開閉弁55を経てカスケード型補助熱交
換器45を兼ねる凝縮器52に入り、ここで高沸点冷媒と熱
交換して凝縮した後開閉弁56を経て絞り装置53で断熱膨
張し、次いで、蒸発器54で空気から吸熱することにより
蒸発気化した後、圧縮機41に戻る。Then, the high boiling point refrigerant is the compressor 41, the condenser 42, the same as above.
After entering the cascade type auxiliary heat exchanger 45 via the expansion device 43,
Here, after exchanging heat with the low-boiling-point refrigerant to remove heat from the low-boiling-point refrigerant, it enters the evaporator 44, where it absorbs heat from the waste heat 46 to evaporate and return to the compressor 41. On the other hand, the low boiling point refrigerant enters from the compressor 51 via the on-off valve 55 into the condenser 52 which also serves as the cascade type auxiliary heat exchanger 45, where it is heat-exchanged with the high boiling point refrigerant and condensed, and then passes through the on-off valve 56 to expand the throttle device. It adiabatically expands at 53, and then evaporates and vaporizes by absorbing heat from the air at the evaporator 54, and then returns to the compressor 41.
しかして、廃熱46の量が十分ある場合には空気熱源式低
温ヒートポンプ50を運転せず、廃熱源式高温ヒートポン
プ40のみを運転することによって、成績係数が高い効率
的な運転を行い、負荷47を十分に加熱できる。廃熱46の
量が不足する場合には空気熱源式低温ヒートポンプ50及
び廃熱源式高温ヒートポンプ40の双方を運転することに
よって廃熱46の発生時間や量が不安であっても負荷47に
安定して熱を供給し負荷を十分に加熱できる。However, when the amount of waste heat 46 is sufficient, the air heat source type low temperature heat pump 50 is not operated, but only the waste heat source type high temperature heat pump 40 is operated to perform an efficient operation with a high coefficient of performance and load. 47 can be heated well. When the amount of waste heat 46 is insufficient, both the air heat source low temperature heat pump 50 and the waste heat source high temperature heat pump 40 are operated to stabilize the load 47 even if the generation time or amount of the waste heat 46 is uncertain. To supply heat to heat the load sufficiently.
（発明の効果） 本発明においては、廃熱46の熱量が所定値以上のときは
廃熱源式高温ヒートポンプ40のみを運転することによっ
て廃熱46から十分な熱を吸熱しこれを負荷47に供給する
ことによりこれを十分に加熱できるので、空気熱源式低
温ヒートポンプ50を停止することによりこの運転に要す
る動力を節減して成績係数の高い経済的な運転が可能と
なる。(Effect of the invention) In the present invention, when the heat quantity of the waste heat 46 is equal to or greater than the predetermined value, only the waste heat source type high temperature heat pump 40 is operated to absorb sufficient heat from the waste heat 46 and supply it to the load 47. By doing so, it can be sufficiently heated, and by stopping the air heat source low temperature heat pump 50, the power required for this operation can be saved and economical operation with a high coefficient of performance becomes possible.
一方、廃熱46の熱量が所定値以下のときは廃熱源式高温
ヒートポンプ40及び空気熱源式低温ヒートポンプ50の双
方が同時に運転され、高沸点冷媒はカスケード型補助熱
交換器45で低沸点冷媒から吸熱し、かつ、蒸発器44で廃
熱46から吸熱しうるので、負荷47に対する所要の加熱性
能を確保することができる。On the other hand, when the heat quantity of the waste heat 46 is less than or equal to a predetermined value, both the waste heat source type high temperature heat pump 40 and the air heat source type low temperature heat pump 50 are operated at the same time, and the high boiling point refrigerant is transferred from the low boiling point refrigerant in the cascade type auxiliary heat exchanger 45. Since the heat can be absorbed and the evaporator 44 can absorb the heat from the waste heat 46, the required heating performance for the load 47 can be secured.
第１図は本発明の１実施例を示す系統図、第２図及び第
３図はそれぞれ従来のヒートポンプ装置の系統図であ
る。 圧縮機……41 負荷……47 凝縮器……42 絞り装置……43 廃熱……46 蒸発器……44 廃熱源式高温ヒートポンプ……40 圧縮機……51 凝縮器……52 絞り装置……53 蒸発器……54 空気熱源式低温ヒートポンプ……50 カスケード型補助熱交換器……45FIG. 1 is a system diagram showing an embodiment of the present invention, and FIGS. 2 and 3 are system diagrams of conventional heat pump devices. Compressor …… 41 Load …… 47 Condenser …… 42 Throttling device …… 43 Waste heat …… 46 Evaporator …… 44 Waste heat source high temperature heat pump …… 40 Compressor …… 51 Condenser …… 52 Throttling device… 53 Evaporator 54 Air source low temperature heat pump 50 Cascade type auxiliary heat exchanger 45
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭58−178160（ＪＰ，Ａ) 特開 昭61−24950（ＪＰ，Ａ) 特開 昭61−17865（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-58-178160 (JP, A) JP-A-61-24950 (JP, A) JP-A-61-17865 (JP, A)
Claims (1)
42、絞り装置43、廃熱46を熱源とする蒸発器44を備え、
高沸点冷媒が循環する廃熱源式高温ヒートポンプ40と、 圧縮機51、凝縮器52、絞り装置53、外気を熱源とする蒸
発器54を備え、低沸点冷媒が循環する空気熱源式低温ヒ
ートポンプ50を具備し、 上記空気熱源式低温ヒートポンプ50の凝縮器52と熱交換
することによって上記高沸点冷媒を蒸発させるカスケー
ド型補助熱交換器45を上記廃熱源式高温ヒートポンプ40
の蒸発器44と直列に接続し、かつ、上記廃熱46の熱量が
所定値以下のとき上記空気熱源式低温ヒートポンプ50及
び上記廃熱源式高温ヒートポンプ40を同時に運転し、上
記廃熱46の熱量が所定値以上のとき上記空気熱源式低温
ヒートポンプ50を停止して上記廃熱源式高温ヒートポン
プ40のみを運転する制御手段を設けたことを特徴とする
ヒートポンプ装置。1. A condenser for heating a compressor 41 and a load 47.
42, an expansion device 43, an evaporator 44 using the waste heat 46 as a heat source,
A waste heat source type high temperature heat pump 40 in which a high boiling point refrigerant circulates, a compressor 51, a condenser 52, an expansion device 53, and an evaporator 54 using an outside air as a heat source, and an air heat source type low temperature heat pump 50 in which a low boiling point refrigerant circulates. The waste heat source type high temperature heat pump 40 is provided with a cascade type auxiliary heat exchanger 45 which is equipped with a cascade type auxiliary heat exchanger 45 for evaporating the high boiling point refrigerant by exchanging heat with the condenser 52 of the air heat source type low temperature heat pump 50.
Connected in series with the evaporator 44, and when the heat quantity of the waste heat 46 is below a predetermined value, the air heat source low temperature heat pump 50 and the waste heat source high temperature heat pump 40 are simultaneously operated, and the heat quantity of the waste heat 46. Is a predetermined value or more, the heat pump apparatus is provided with a control means for stopping the air heat source low temperature heat pump 50 and operating only the waste heat source high temperature heat pump 40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61067290A JPH076707B2 (en) | 1986-03-27 | 1986-03-27 | Heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61067290A JPH076707B2 (en) | 1986-03-27 | 1986-03-27 | Heat pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62225860A JPS62225860A (en) | 1987-10-03 |
| JPH076707B2 true JPH076707B2 (en) | 1995-01-30 |
Family
ID=13340700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61067290A Expired - Lifetime JPH076707B2 (en) | 1986-03-27 | 1986-03-27 | Heat pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH076707B2 (en) |
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| US10669465B2 (en) | 2016-09-19 | 2020-06-02 | Arkema France | Composition comprising 1-chloro-3,3,3-trifluoropropene |
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| JPH04306461A (en) * | 1991-04-02 | 1992-10-29 | Hitachi Air Conditioning & Refrig Co Ltd | refrigerator |
| WO2009077275A2 (en) * | 2007-12-17 | 2009-06-25 | Klaus Wolter | Method, device, and system for injecting energy into a medium |
| FR2937328B1 (en) * | 2008-10-16 | 2010-11-12 | Arkema France | HEAT TRANSFER METHOD |
| JP2010196963A (en) * | 2009-02-25 | 2010-09-09 | Iwaya Reitoki Seisakusho:Kk | Dual type heat pump and refrigerating device |
| JP2013194926A (en) * | 2012-03-15 | 2013-09-30 | Yanmar Co Ltd | Steam generating system |
| JP5958819B2 (en) * | 2012-09-24 | 2016-08-02 | 三浦工業株式会社 | Heat pump system and cooling system using the same |
| FR3033791B1 (en) | 2015-03-18 | 2017-04-14 | Arkema France | STABILIZATION OF 1-CHLORO-3,3,3-TRIFLUOROPROPENE |
| FR3070982B1 (en) | 2017-09-12 | 2019-08-30 | Arkema France | COMPOSITION BASED ON HYDROCHLOROFLUOROOLEFIN AND MINERAL OIL |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58178160A (en) * | 1982-04-12 | 1983-10-19 | トヨタ自動車株式会社 | Method of controlling capacity of refrigerant in two-dimensional refrigerator |
| JPS6117865A (en) * | 1984-07-02 | 1986-01-25 | 三洋電機株式会社 | Heat pump device |
| JPS6124950A (en) * | 1984-07-11 | 1986-02-03 | 新明和工業株式会社 | dual refrigeration equipment |
-
1986
- 1986-03-27 JP JP61067290A patent/JPH076707B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10343963B2 (en) | 2013-03-20 | 2019-07-09 | Arkema France | Composition comprising HF and E-3,3,3-trifluoro-1-chloropropene |
| US10669465B2 (en) | 2016-09-19 | 2020-06-02 | Arkema France | Composition comprising 1-chloro-3,3,3-trifluoropropene |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62225860A (en) | 1987-10-03 |
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