JPS62288463A - Heat pump with auxiliary heater - Google Patents
Heat pump with auxiliary heaterInfo
- Publication number
- JPS62288463A JPS62288463A JP13174786A JP13174786A JPS62288463A JP S62288463 A JPS62288463 A JP S62288463A JP 13174786 A JP13174786 A JP 13174786A JP 13174786 A JP13174786 A JP 13174786A JP S62288463 A JPS62288463 A JP S62288463A
- Authority
- JP
- Japan
- Prior art keywords
- water
- heat source
- source water
- auxiliary heater
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 90
- 238000010438 heat treatment Methods 0.000 description 11
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010840 domestic wastewater Substances 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Central Heating Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔産業上の利用分野〕
本発明は、河川、湖沼の水のほか、上水、下水処理水、
生活排水などを含む自然水を熱源水とし、熱源水経路に
補助加熱器が挿入されている補助加熱器付きヒートポン
プに関するものである。[Detailed Description of the Invention] 3. Detailed Description of the Invention [Field of Industrial Application] The present invention is applicable to water from rivers and lakes, as well as tap water, treated sewage water,
This invention relates to a heat pump with an auxiliary heater that uses natural water, including domestic wastewater, as the heat source water, and has an auxiliary heater inserted in the heat source water path.
この種のヒートポンプの従来例を第２図に示す。 A conventional example of this type of heat pump is shown in FIG.
１は駆動機２により駆動される圧縮機、３は凝縮器、４
は蒸発器、５，６．７は冷媒経路、８は温水経路である
。９は容量制御装置であり、温度検出器１０で温水出口
温度を検出し、その温度が一定になるように例えばサク
ションベーン開度を操作するようになっている。1 is a compressor driven by a driver 2; 3 is a condenser; 4
is an evaporator, 5, 6.7 are refrigerant paths, and 8 is a hot water path. Reference numeral 9 denotes a capacity control device, which detects the hot water outlet temperature with a temperature detector 10 and controls, for example, the opening degree of a suction vane so that the temperature is constant.
蒸発器４においては、熱を熱源水経路１１゜１２．１３
を通る熱源水より受けるようになっている。即ち、河川
、湖沼のほか、上水、下水処理水、生活排水などを含む
自然水は熱源水として取水槽１４に貯留され、ポンプ１
５により、補助加熱源１６を用いる補助加熱器１７に温
度ｔ、の状態で導かれ、加熱されて温度ｔ、となった後
蒸発器４に入り、これに熱を与えて自体は冷却されて温
度ｔ２となり、放水部としての放水槽１８に放流される
。In the evaporator 4, heat is transferred to the heat source water path 11゜12.13
It is designed to receive heat from the heat source water that passes through it. That is, in addition to rivers and lakes, natural water including tap water, treated sewage water, domestic wastewater, etc. is stored in the water intake tank 14 as heat source water, and the pump 1
5, it is guided at a temperature t to an auxiliary heater 17 using an auxiliary heating source 16, and after being heated to a temperature t, it enters the evaporator 4, where it is cooled by giving heat to it. The temperature reaches t2, and the water is discharged into a water discharge tank 18 serving as a water discharge section.
１９は、蒸発器４の人口の熱源水温度１．を検出する温
度検出器であり、温度１．が所定の温度（設計値）とな
るよう流量制御弁２０を操作して補助加熱ｆ１１６から
の熱の供給量を調節するようになっている。19 is the temperature of the heat source water of the evaporator 4; It is a temperature detector that detects temperature 1. The amount of heat supplied from the auxiliary heating f116 is adjusted by operating the flow rate control valve 20 so that the temperature reaches a predetermined temperature (design value).
補助加熱器１７は、熱源水温度が、設計条件としている
通常の温度範囲よりも一時的に低下した場合に、熱源水
を加熱して蒸発器４の入口温度を所定のｔｌに保つため
のものである。The auxiliary heater 17 is for heating the heat source water to maintain the inlet temperature of the evaporator 4 at a predetermined tl when the heat source water temperature temporarily drops below the normal temperature range set as the design condition. It is.
このように従来の例において、蒸発器４の入口温度を所
定の設計値ｔ、にするまで、温度ｔ０の熱源水を補助加
熱器１７において加熱するに必要な加熱ｉｔ Ｑ Ｈｏ
は、熱源水流量をＷとするとき、ＱＩＩｏ＝Ｗ （ｔ
ｔ −ｔ ｏ ）・・・・・・・・・・・・・・・・・
・＜１）となる。従ってｔｏが低下すれば加熱量ＱＨＯ
は増大する。しかしながら、部分負荷などの場合におい
ても加熱量は負荷状態とは無関係に（１）により定まる
多量の熱量を必要とし、かつ、蒸発器４の出口温度ｔ２
が熱源水温度ｔ、より高いような場合でも放水され、熱
効率の悪いものであった。In this way, in the conventional example, the heating it Q Ho required to heat the heat source water at the temperature t0 in the auxiliary heater 17 until the inlet temperature of the evaporator 4 reaches the predetermined design value t.
is, when the heat source water flow rate is W, QIIo=W (t
t-to)・・・・・・・・・・・・・・・・・・
・<1). Therefore, if to decreases, the heating amount QHO
increases. However, even in cases such as partial load, a large amount of heat determined by (1) is required regardless of the load state, and the outlet temperature of the evaporator 4 is t2.
Water is discharged even when the heat source water temperature is higher than t, resulting in poor thermal efficiency.
本発明は、従来のものの上記の如き問題点を解決し、′
負荷の状態に応じて排熱の有効利用をはかることができ
る補助加熱器付きヒートポンプを提供することを目的と
する。The present invention solves the above-mentioned problems of the conventional ones, and
It is an object of the present invention to provide a heat pump with an auxiliary heater that can effectively utilize exhaust heat depending on the load condition.
本発明は、従来のものの上記の問題点を解決するために
、熱源水を、熱源水源から補助加熱器及び蒸発器を経て
、放水部に導（熱源水経路を備え、前記蒸発器において
熱源水より得た熱を凝縮器において温水に与えるように
した補助加熱器付きヒートポンプにおいて、前記蒸発器
出口より出た熱源水を、前記放水部に導かずに再び前記
補助加熱器入口に導いて循環せしめる循環用バイパスと
、前記熱源水源から出た熱源水を、前記補助加熱器に導
かずに前記放水部に導く放水用バイパスとを設け、前記
熱源水源における熱源水温度をｔ６、前記蒸発器出口に
おける熱源水温度をｔ２とするとき、ｔｏ及びｔ２を検
出する温度検出器を設け、該温度検出器からの信号を受
け、前記循環用バイパス及び前記放水用バイパスを、ｔ
２≦ｔ０のときには閉じ、１．＞ｔｏのときには開（信
号を出力する熱源水経路切換制御装置を備えたことを特
徴とする補助加熱器付きヒートポンプを提供せんとする
ものである。In order to solve the above-mentioned problems of the conventional ones, the present invention introduces heat source water from the heat source water source through an auxiliary heater and an evaporator to a water discharge section (equipped with a heat source water path, and in the evaporator, the heat source water In a heat pump with an auxiliary heater that supplies the heat obtained from the evaporator to hot water in a condenser, the heat source water discharged from the evaporator outlet is not guided to the water discharge part but is guided to the auxiliary heater inlet for circulation. A circulation bypass and a water discharge bypass for guiding the heat source water from the heat source water source to the water discharge section without guiding it to the auxiliary heater are provided, and the heat source water temperature in the heat source water source is set to t6, and the heat source water temperature at the evaporator outlet is set to t6. When the heat source water temperature is t2, a temperature detector is provided to detect to and t2, and upon receiving a signal from the temperature detector, the circulation bypass and the water discharge bypass are connected to t.
Closed when 2≦t0; 1. It is an object of the present invention to provide a heat pump with an auxiliary heater, characterized in that it is equipped with a heat source water path switching control device that outputs an open signal when >to.
本発明は上記の如く構成することにより、１゜≦ｔ０の
場合には従来と同様に蒸発器を出た熱源水は放水部へ放
水するが、部分負荷のときなどの１、＞１０の場合には
、折角高い温度を保持したまま蒸発器から排出される熱
源水を無駄に放水することなく再び補助加熱器に導いて
加熱し循環せしめる。このときの補助加熱器における加
熱ＮＱ Ｍ Ｆは、 ＱＩＩＰ−Ｗ （ｔ ＋ −ｔ
ｔ ）・・・・・・・・・・・・・・・・・・となる
、従って１．＞１０の場合は、
Ｑ、、 ＜ Ｑ、。By configuring the present invention as described above, when 1゜≦t0, the heat source water leaving the evaporator is discharged to the water discharge part as in the conventional case, but when 1゜>10, such as during partial load, In order to achieve this, the heat source water discharged from the evaporator while maintaining a high temperature is guided to the auxiliary heater again to be heated and circulated without wasting water. The heating NQ MF in the auxiliary heater at this time is QIIP-W (t + -t
t)・・・・・・・・・・・・・・・ Therefore, 1. If >10, then Q,, <Q,.
となり、熱源水の加熱量を減少せしめ、補助熱源のエネ
ルギ消費量を低ｆＩｉセしめることができる。Therefore, the heating amount of the heat source water can be reduced, and the energy consumption of the auxiliary heat source can be set to a low fIi.
本発明の実施例を図面を用いて説明する。 Embodiments of the present invention will be described using the drawings.
第１図において、第２図と同一符号の部分は同様な構成
作用を有す。In FIG. 1, parts having the same reference numerals as in FIG. 2 have similar structural functions.
熱源水系統には取水槽１４側と放水槽１８側との間に三
方弁２１と導水路２２とより成る循環用バイパス２３と
、三方弁２４と導水路２５とより成る放水用バイパス２
６が設けられている。２７゜２８はポンプである。The heat source water system includes a circulation bypass 23 consisting of a three-way valve 21 and a water conduit 22 between the water intake tank 14 side and the water discharge tank 18 side, and a water discharge bypass 2 consisting of a three-way valve 24 and a water conduit 25.
6 is provided. 27°28 is a pump.
２９は熱源水の温度ｔ０を検出する温度検出器、３０は
蒸発器４の出口の熱源水の温度ｔ２を検出する温度検出
器、３１は”６＋”ｔの温度信号に応じて三方弁２４．
２５を操作する熱源水経路切換制御装置であり、
ｔ、≦ｔ０なるときは三方弁２１．２４の直通回路が開
、
導水路２２．２５への回路を閉
１ｔ＞１．なるときは三方弁２１．２４の直通口ｊ路が
閉、
導水路２２．２５への回路を開
とするようになっている。29 is a temperature detector that detects the temperature t0 of the heat source water; 30 is a temperature detector that detects the temperature t2 of the heat source water at the outlet of the evaporator 4; 31 is a three-way valve 24.
It is a heat source water route switching control device that operates 25, and when t≦t0, the direct circuit of the three-way valve 21.24 is opened, and the circuit to the water conduit 22.25 is closed. When this occurs, the direct port J of the three-way valve 21.24 is closed, and the circuit to the water conduit 22.25 is opened.
即チ、ｔ８≦ｔ、なるときは循環用バイパス２３及び放
水用バイパス２６を閉じ、熱源水は取水槽１４−補助加
熱器１７−蒸発器４を経て放水槽１８に放水される。That is, when t8≦t, the circulation bypass 23 and the water discharge bypass 26 are closed, and the heat source water is discharged into the water discharge tank 18 via the water intake tank 14, the auxiliary heater 17, and the evaporator 4.
１、＞１０となると循環用バイパス２３．放水用バイパ
ス２６が開き、熱源水の流れは２系統となる。即ち、一
つは循環系統であり、蒸発器４を出た熱源水は循環用バ
イパス２３を通り、ポンプ２８により再び補助加熱器１
７に入り加熱されて蒸発器４に入り循環する。他の一つ
は放水系統であり、取水槽１４よりポンプ２７により送
られた熱源水は放水用バイパス２６を通り放水槽１８に
放水される。１．＞１０の状態が長＜続りときはポンプ
２７は運転を停止してもよい。1, >10, circulation bypass 23. The water discharge bypass 26 opens, and the flow of heat source water becomes two systems. That is, one is a circulation system, in which the heat source water leaving the evaporator 4 passes through a circulation bypass 23 and is returned to the auxiliary heater 1 by a pump 28.
7, where it is heated, enters the evaporator 4, and is circulated. The other system is a water discharge system, in which heat source water sent from the water intake tank 14 by a pump 27 is discharged into the water discharge tank 18 through a water discharge bypass 26 . 1. If the condition >10 continues for a long time, the pump 27 may stop operating.
制御装置３１により上記の如く制御することにより、負
荷が小なるときなど蒸発器出口温度が高い場合に、その
排熱を回収して補助加熱源のエネルギの消費を軽減する
ことができる。By controlling as described above by the control device 31, when the evaporator outlet temperature is high such as when the load is small, the exhaust heat can be recovered and the energy consumption of the auxiliary heating source can be reduced.
本発明により、負荷が部分負荷のときなどの１、＞１．
なる場合に、蒸発器から排出される比較的高い温度の熱
源水の排熱を有効に回収し、補助加熱源のエネルギの無
駄な消費を防ぎ、かつ補助加熱機構の小型化をはかるこ
とが可能な補助加熱器付きヒートポンプを提供すること
ができ、実用上、省エネルギ上極めて大なる効果を奏す
る。According to the present invention, 1, >1, etc. when the load is a partial load.
In such cases, it is possible to effectively recover the waste heat of relatively high temperature heat source water discharged from the evaporator, prevent wasteful energy consumption of the auxiliary heating source, and downsize the auxiliary heating mechanism. This makes it possible to provide a heat pump with an auxiliary heater, which is extremely effective in terms of practical use and energy saving.
第１図は本発明の実施例のフロー図、第２図は従来例の
フロー図である。
１・・・圧縮機、２・・・駆動機、３・・・凝縮器、４
・・・蒸発器、５，６．７・・・冷媒経路、８・・・温
水経路、９・・・容量制御装置、１０・・・温度検出器
、１１，１２゜１３・・・熱源水経路、１４・・・取水
槽、１５・・・ポンプ・１６・・・補助加熱源、１７・
・・補助加熱器、１８０１．放水槽、１９・・・温度検
出器、２０・・・流量制御弁、２１・・・三方弁、２２
・・・導水路、２３・・・循環用バイパス、２４・・・
三方弁、２５・・・・・・導水路、２６・・・放水用バ
イパス、２７．２８・・・ポンプ、２９．３０・・・温
度検出器、３１・・・制御装置。FIG. 1 is a flow diagram of an embodiment of the present invention, and FIG. 2 is a flow diagram of a conventional example. 1...Compressor, 2...Driver, 3...Condenser, 4
... Evaporator, 5,6.7... Refrigerant path, 8... Hot water path, 9... Capacity control device, 10... Temperature detector, 11, 12° 13... Heat source water Route, 14... Water intake tank, 15... Pump, 16... Auxiliary heating source, 17.
...Auxiliary heater, 1801. Water tank, 19... Temperature detector, 20... Flow rate control valve, 21... Three-way valve, 22
... Headrace waterway, 23... Circulation bypass, 24...
Three-way valve, 25... Water conduit, 26... Water discharge bypass, 27.28... Pump, 29.30... Temperature detector, 31... Control device.
Claims (1)
て、放水部に導く熱源水経路を備え、前記蒸発器におい
て熱源水より得た熱を凝縮器において温水に与えるよう
にした補助加熱器付きヒートポンプにおいて、 前記蒸発器出口より出た熱源水を、前記放 水部に導かずに再び前記補助加熱器入口に導いて循環せ
しめる循環用バイパスと、 前記熱源水源から出た熱源水を、前記補助 加熱器に導かずに前記放水部に導く放水用バイパスとを
設け、 前記熱源水源における熱源水温度をｔ＿０、前記蒸発器
出口における熱源水温度をｔ＿２とするとき、ｔ＿０及
びｔ＿２を検出する温度検出器を設け、 該温度検出器からの信号を受け、前記循環 用バイパス及び前記放水用バイパスを、ｔ＿２≦ｔ＿０
のときには閉じ、ｔ＿２＞ｔ＿０のときには開く信号を
出力する熱源水経路切換制御装置を備えたことを特徴と
する補助加熱器付きヒートポンプ。[Scope of Claims] 1. A heat source water path is provided which leads the heat source water from the heat source water source through an auxiliary heater and an evaporator to a water discharge section, and the heat obtained from the heat source water in the evaporator is converted into hot water in a condenser. In the heat pump with an auxiliary heater, the heat source water discharged from the evaporator outlet is circulated by being guided back to the auxiliary heater inlet without being guided to the water discharge section; a water discharge bypass is provided to guide the heat source water to the water discharge section without guiding it to the auxiliary heater, and when the heat source water temperature at the heat source water source is t_0 and the heat source water temperature at the evaporator outlet is t_2, t_0 and a temperature detector for detecting t_2, and upon receiving a signal from the temperature detector, the circulation bypass and the water discharge bypass are set so that t_2≦t_0.
A heat pump with an auxiliary heater comprising a heat source water path switching control device that outputs a signal that closes when t_2>t_0 and opens when t_2>t_0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13174786A JPH0682021B2 (en) | 1986-06-09 | 1986-06-09 | Heat pump with auxiliary heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13174786A JPH0682021B2 (en) | 1986-06-09 | 1986-06-09 | Heat pump with auxiliary heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62288463A true JPS62288463A (en) | 1987-12-15 |
| JPH0682021B2 JPH0682021B2 (en) | 1994-10-19 |
Family
ID=15065244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13174786A Expired - Lifetime JPH0682021B2 (en) | 1986-06-09 | 1986-06-09 | Heat pump with auxiliary heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0682021B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010025413A (en) * | 2008-07-17 | 2010-02-04 | Science Kk | Water heat source type heat pump |
| JP2013154267A (en) * | 2012-01-27 | 2013-08-15 | Tlv Co Ltd | Low-pressure steam heating apparatus |
-
1986
- 1986-06-09 JP JP13174786A patent/JPH0682021B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010025413A (en) * | 2008-07-17 | 2010-02-04 | Science Kk | Water heat source type heat pump |
| JP2013154267A (en) * | 2012-01-27 | 2013-08-15 | Tlv Co Ltd | Low-pressure steam heating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0682021B2 (en) | 1994-10-19 |
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