JPH03140728A - Heat storage type cold water manufacture device - Google Patents
Heat storage type cold water manufacture deviceInfo
- Publication number
- JPH03140728A JPH03140728A JP1277746A JP27774689A JPH03140728A JP H03140728 A JPH03140728 A JP H03140728A JP 1277746 A JP1277746 A JP 1277746A JP 27774689 A JP27774689 A JP 27774689A JP H03140728 A JPH03140728 A JP H03140728A
- Authority
- JP
- Japan
- Prior art keywords
- heat storage
- heat
- line
- cold water
- storage tank
- 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.)
- Pending
Links
- 238000005338 heat storage Methods 0.000 title claims abstract description 109
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 239000002699 waste material 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、空調設備や食品冷却装置等に冷水を供給す
る蓄熱式冷水製造装置の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an improvement in a regenerative cold water production device that supplies cold water to air conditioning equipment, food cooling equipment, and the like.
一般的な冷水製造装置は、タンク内に貯水した水を冷凍
装置により、冷却して供給する構造となっているが、こ
のような冷水製造装置における冷水の最大需要量を満足
させるためには、貯水タンクを大型のものにするか、あ
るいは冷凍装置の容量を増大させて、供給量に十分見合
う冷却能力を持たせる必要があり、スペース的にも問題
がある。A typical chilled water production device has a structure in which water stored in a tank is cooled and supplied by a refrigeration device, but in order to satisfy the maximum demand for chilled water in such a chilled water production device, It is necessary to make the water storage tank larger or increase the capacity of the refrigeration system to provide sufficient cooling capacity to meet the supply amount, which also poses a problem in terms of space.
そこで、上記の冷水製造装置に代わるものとして、蓄熱
装置を付加した冷水製造装置が提案され、多用されてい
る。この蓄熱装置は、安い深夜電力を利用して熱量を貯
えておき、必要な時に負荷の要求に応じて放熱するので
、熱の供給と需要との間の時間的なズレを調整し、省エ
ネルギーに寄与する。しかも、顕熱を利用した蓄熱方法
よりも、蓄熱密度が大きくとれ、かなりの熱量が得られ
ることや、装置をコンパクトにまとめることができる等
の利点がある。このように、冷熱を対象とする場合は、
蓄熱媒体を凝固させて冷熱を蓄熱し、融解させて冷熱を
放出する上述の原理によるのは望ましいことである。Therefore, as an alternative to the above-mentioned cold water production apparatus, a cold water production apparatus with a heat storage device added has been proposed and is widely used. This heat storage device uses cheap late-night electricity to store heat and radiates heat when needed in response to load demands, thereby adjusting the time lag between heat supply and demand and saving energy. Contribute. In addition, this method has advantages over a heat storage method using sensible heat, such as a higher heat storage density, a considerable amount of heat, and the ability to make the device more compact. In this way, when targeting cold and heat,
It is desirable to follow the above-mentioned principle of solidifying the heat storage medium to store cold heat and melting it to release cold heat.
〔発明が解決しようとする課題］
ところで、上記在来の冷水製造装置は、冷却装置と熱交
換器との間で伝熱媒体を循環させ、上記熱交換器にて伝
熱媒体と原水の間で熱交換を行って冷水を製造するもの
であり、潜熱蓄熱槽は、上記伝熱媒体の循環流路中にお
いて冷却装置（あるいは熱交換器）と並列に接続されて
いる。[Problems to be Solved by the Invention] By the way, the conventional chilled water production device described above circulates a heat transfer medium between a cooling device and a heat exchanger, and the heat exchanger circulates a heat transfer medium between the heat transfer medium and the raw water. The latent heat storage tank is connected in parallel to the cooling device (or heat exchanger) in the circulation flow path of the heat transfer medium.
そのため、蓄熱槽への蓄熱動作と、蓄熱槽からの放熱動
作及び冷却装置による冷却動作の切換えにおいて、多数
の切換え弁並びに各装置への伝熱媒体の供給に少な（と
も２台の送液ポンプを必要とする。Therefore, in switching between heat storage operation in the heat storage tank, heat radiation operation from the heat storage tank, and cooling operation by the cooling device, it is necessary to use a large number of switching valves and a small amount of heat transfer medium to be supplied to each device (both require two liquid pumps). Requires.
更に、蓄熱槽の全蓄熱容量に対して現在どの程度まで蓄
熱されているか、（あるいは、あとどれくらいの蓄熱容
量があるか）を知ることができず、蓄熱媒体を過冷却す
る場合があって、エネルギーの有効利用のため、今一つ
の改善が要望されている。Furthermore, it is not possible to know how much heat is currently stored in the total heat storage capacity of the heat storage tank (or how much heat storage capacity remains), and the heat storage medium may be overcooled. Further improvements are required for effective use of energy.
〔課題を解決しようとする手段］
この発明は、上記課題を解決するためになされたもので
、内部の伝熱媒体流路との間に蓄熱媒体を充填し、蓄熱
量を検出する手段を備えた潜熱蓄熱槽と、伝熱媒体の冷
却装置と、伝熱媒体と原水との間で熱交換を行う熱交換
器と、上記蓄熱槽並びに冷却装置を環状に接続する蓄熱
ラインと、その蓄熱ラインにおける冷却装置下流側に接
続した第１の切換弁から延び、上記熱交換器を介して蓄
熱槽上流側に致る放熱ラインと、上記蓄熱ラインの第１
の切換弁より下流で放熱ラインと並列をなす部分より分
岐し、蓄熱槽と冷却装置との間に設けた第２の切換弁に
致る分岐ラインと、上記熱交換器に接続した冷却供給ラ
インとを具備する潜熱蓄熱式冷水製造装置である。[Means for Solving the Problems] This invention has been made to solve the above problems, and includes means for filling a heat storage medium between the internal heat transfer medium flow path and detecting the amount of heat storage. a latent heat storage tank, a cooling device for a heat transfer medium, a heat exchanger that exchanges heat between the heat transfer medium and raw water, a heat storage line that connects the heat storage tank and the cooling device in a ring, and the heat storage line. a heat radiation line extending from a first switching valve connected to the downstream side of the cooling device and reaching the heat storage tank upstream side via the heat exchanger; and a first heat storage line of the heat storage line.
A branch line that branches from a part parallel to the heat radiation line downstream of the switching valve and reaches a second switching valve provided between the heat storage tank and the cooling device, and a cooling supply line connected to the heat exchanger. This is a latent heat storage type cold water production device comprising:
この発明に係る潜熱蓄熱式冷水製造装置は、蓄熱槽内に
熱を蓄えるための蓄熱ラインと上記蓄熱槽からの放熱ラ
インが並列に接続した、簡単な配管構成を有し、更に、
上記蓄熱槽内の蓄熱量（あるいは残量）を検出する手段
により、効率的な運転を図ることができる。The latent heat storage type cold water production device according to the present invention has a simple piping configuration in which a heat storage line for storing heat in a heat storage tank and a heat radiation line from the heat storage tank are connected in parallel, and further,
Efficient operation can be achieved by means of detecting the amount of heat stored (or remaining amount) in the heat storage tank.
第１図は、この発明に係る蓄熱式冷水製造装置の一実施
例を示すものである。図面において、（＋）は蓄熱槽、
（２）は伝熱媒体の冷却装置、（３）は熱交換器、（４
）は蓄熱ライン、（５）は放熱ライン、（６）は分岐ラ
イン、（７）は冷水供給ラインを示す。FIG. 1 shows an embodiment of a heat storage type cold water production apparatus according to the present invention. In the drawing, (+) indicates a heat storage tank,
(2) is a heat transfer medium cooling device, (3) is a heat exchanger, (4
) indicates a heat storage line, (5) indicates a heat radiation line, (6) indicates a branch line, and (7) indicates a cold water supply line.
上記蓄熱槽（１）は、例えば、この実施例では、多数の
ループ状ポリエチレン管の各端部同志を伝熱媒体の供給
ヘッダー及び戻りヘッダで連結してなるプラスチックパ
イプマットをのり巻き状に巻回して槽内に収容し、槽内
を適宜の蓄熱媒体にて満たしたものとしである。For example, in this embodiment, the heat storage tank (1) is made of a plastic pipe mat formed by connecting each end of a large number of loop-shaped polyethylene pipes with a heat transfer medium supply header and a return header. The container is rotated and placed in a tank, and the tank is filled with an appropriate heat storage medium.
上記蓄熱槽（＋１には、蓄熱残量の検出装置（Ｓ）を設
けであるが、この検出装置（Ｓ）は、例えば、蓄熱槽へ
の伝熱媒体の流入量、流入温度、蓄熱槽からの伝熱媒体
の流出量、流出温度、槽内の蓄熱媒体の温度、体積変化
等をもとに、蓄熱槽への熱収支を算出し、蓄熱容量の残
量を表示するものである。The heat storage tank (+1) is equipped with a detection device (S) for detecting the remaining amount of heat storage, and this detection device (S) can detect, for example, the amount of inflow of the heat transfer medium into the heat storage tank, the inflow temperature, and the temperature from the heat storage tank. The heat balance to the heat storage tank is calculated based on the outflow amount of the heat transfer medium, the outflow temperature, the temperature of the heat storage medium in the tank, volume change, etc., and the remaining amount of heat storage capacity is displayed.
上記蓄熱ライン（４）は、蓄熱槽（１）、冷却装置（２
）、熱交換器（３）を、伝熱媒体がこの順に循環するよ
うに接続するもので、更に、上記蓄熱ライン（４）中に
は、蓄熱槽（１）と冷却装置（２）との間に伝熱媒体用
の循環ポンプ（Ｐｌ）を接続しである。The heat storage line (4) includes a heat storage tank (1), a cooling device (2)
), the heat exchanger (3) is connected so that the heat transfer medium circulates in this order, and the heat storage line (4) further includes a heat storage tank (1) and a cooling device (2). A circulation pump (Pl) for heat transfer medium is connected between them.
上記放熱ライン（５）は、蓄熱ライン（４）における冷
却装置（２）と蓄熱槽（１）との間に接続した第１の３
方切換制御弁（８）から分岐し、蓄熱槽（１）の上流側
に合流しており、途中には上記熱交換器（３）を接続し
ている。The heat radiation line (5) is a first third line connected between the cooling device (2) and the heat storage tank (1) in the heat storage line (4).
It branches off from the direction switching control valve (8) and joins the upstream side of the heat storage tank (1), and the heat exchanger (3) is connected in the middle.
上記分岐ライン（６）は、上記蓄熱ライン（４）の３方
切換制御弁（８）より下流で、上記放熱ライン（５）と
並列をなす流路から分岐し、上記蓄熱ライン（４）にお
ける循環ポンプ（Ｐｌ）と蓄熱槽（１）との間に介在さ
せた第２の３方切換制御弁（９）に連なっている。The branch line (6) is downstream of the three-way switching control valve (8) of the heat storage line (4) and branches from a flow path parallel to the heat radiation line (5). It is connected to a second three-way switching control valve (9) interposed between the circulation pump (Pl) and the heat storage tank (1).
上記冷水供給ライン（７）は、原水供給口００）から、
給水タンク（１１）、冷水用送液ポンプ（Ｐ２）、熱交
換器（３）を経て冷水出口０２）に接続してあり、この
供給ライン（７）中には、送液ポンプ（Ｐ２）と熱交換
器（３）との間から、熱交換器（３）の下流側の第３の
３方切換制御弁０３）に致る分岐ライン０７１）を接続
しである。更に、この冷水供給ライン（７）中において
、上記３方切換制御弁０３）下流の逃し弁０９には、給
水タンク（１１）に向けて延びる戻りライン０ωを接続
しである。The cold water supply line (7) is connected from the raw water supply port 00) to
It is connected to the cold water outlet 02) via the water supply tank (11), the cold water pump (P2), and the heat exchanger (3). A branch line 071) is connected from between the heat exchanger (3) and the third three-way switching control valve 03) on the downstream side of the heat exchanger (3). Furthermore, in this cold water supply line (7), a return line 0ω extending toward the water supply tank (11) is connected to the relief valve 09 downstream of the three-way switching control valve 03).
上記構成において、蓄熱槽（１）の蓄熱放熱操作につい
て先ず説明する。蓄熱槽（１）に蓄熱する場合は、第１
、第２の３方切換制御弁（以下単に第１、第２の弁と略
称する） （８）（９）を操作し、循環ポンプ（Ｐｌ）
並びに冷却装置（２）を作動させ、伝熱媒体を蓄熱ライ
ン（４）中で循環させる。そして、冷却装置（２）によ
り温度低下した伝熱媒体により、蓄熱槽（＋）内の蓄熱
媒体を相変化（ｉ体→固体）させ、潜熱する。尚、この
蓄熱媒体は、相変化温度がなるべく低く（例えば−５°
Ｃ）、相変化時にシャーベット状の氷となるものを選択
し、充填するのが水充填率（ＩＰＦ）、運転効率を高め
る上で好ましい。In the above configuration, the heat storage and heat dissipation operation of the heat storage tank (1) will be explained first. When storing heat in the heat storage tank (1), the first
, the second three-way switching control valve (hereinafter simply referred to as the first and second valves) (8) and (9), and the circulation pump (Pl)
The cooling device (2) is also activated to circulate the heat transfer medium in the heat storage line (4). Then, the heat transfer medium whose temperature has been lowered by the cooling device (2) changes the phase of the heat storage medium in the heat storage tank (+) (i-body→solid) and generates latent heat. Note that this heat storage medium has a phase change temperature as low as possible (for example, -5°
C) It is preferable to select and fill ice that turns into sherbet-like ice upon phase change in order to increase the water filling factor (IPF) and operational efficiency.
上記蓄熱動作の停止は、蓄熱量検出装置（Ｓ）により蓄
熱量を検出し、蓄熱容量との差（即ち、蓄熱残量）が実
質上Ｏになった時点で行う。The heat storage operation is stopped when the heat storage amount is detected by the heat storage amount detection device (S) and the difference from the heat storage capacity (that is, the remaining heat storage amount) becomes substantially O.
次に、蓄熱槽（１）から蓄えた熱（冷熱）を放出するに
は第１、第２の弁（８） （９）の操作により、蓄熱ラ
イン（４）に放熱ライン（５）を接続し、循環ポンプ（
Ｐｌ）を作動させることにより、伝熱媒体を蓄熱槽（１
１、第２の弁（９）、循環ポンプ（ＰＩ）、冷却装置（
２）、第１の弁（８）、熱交換器（３）の順に循環させ
る。Next, to release the stored heat (cold energy) from the heat storage tank (1), connect the heat radiation line (5) to the heat storage line (4) by operating the first and second valves (8) and (9). and circulation pump (
By operating the heat transfer medium (Pl), the heat transfer medium is transferred to the heat storage tank (1
1. Second valve (9), circulation pump (PI), cooling device (
2), the first valve (8), and the heat exchanger (3) in this order.
この場合、冷却装置（２）は実質上作動していない。In this case, the cooling device (2) is virtually inactive.
これにより、蓄熱槽（１）内の蓄熱媒体の相変化（固体
→液体）時の潜熱を伝熱媒体に放出する。Thereby, the latent heat during the phase change (solid→liquid) of the heat storage medium in the heat storage tank (1) is released to the heat transfer medium.
尚、上記蓄熱槽（＋）における蓄・放熱動作時において
は、蓄熱残量を、常に、上記検出装置（Ｓ）によって、
検出監視することにより、蓄熱時に、蓄熱槽（１）内の
蓄熱媒体が過冷却にならないよう、冷却装置（２）の必
要以上の運転を防止してエネルギーの浪費を抑える。一
方、放熱時には、蓄熱槽（１）内の蓄熱残量から、蓄熱
槽（１）内の冷熱のみでの冷水製造可能時間（あるいは
量）を検知し、また、こ′の蓄熱残量からこの放熱時に
冷却装置を作動させるかどうかを判断する。In addition, during the heat storage/radiation operation in the heat storage tank (+), the remaining amount of heat storage is always detected by the detection device (S).
By detecting and monitoring, during heat storage, the heat storage medium in the heat storage tank (1) is prevented from being overcooled, and the cooling device (2) is prevented from operating more than necessary, thereby suppressing energy waste. On the other hand, during heat dissipation, the amount of time (or amount) that can be used to produce cold water using only the cold heat in the heat storage tank (1) is detected from the remaining amount of heat storage in the heat storage tank (1). Determine whether to activate the cooling device during heat dissipation.
次に、上記構成における冷水製造要１を以下に説明する
。尚、蓄熱槽（１）には、上記要領にて冷熱が蓄熱され
ているものとする。Next, the cold water production key 1 in the above configuration will be explained below. It is assumed that cold heat is stored in the heat storage tank (1) in the manner described above.
先ず、通常負荷時には、第１、第２の弁（８） （９）
を操作し、蓄熱槽（１）を上述した放熱動作状態に切換
る。同時に、ｗＵ環ポンプ（ＰＩ）を起動させる。この
とき、冷却装置（２）は非稼動状態であり、単に伝熱媒
体を流通させる流路として機能している状態にお く
。First, during normal load, the first and second valves (8) (9)
to switch the heat storage tank (1) to the heat dissipation operation state described above. At the same time, start the wU ring pump (PI). At this time, the cooling device (2) is in a non-operating state and is kept in a state where it simply functions as a flow path for circulating the heat transfer medium.
.
この状態で、冷水ライン（７）側において、第３、第４
の弁０３）０ωを切換操作し、送液ポンプ（Ｐ２）によ
り、原水を、原水供給口００）から熱交換器（３）を経
て、冷水出口０２）に向けて送液する。In this state, on the cold water line (7) side, the third and fourth
The valve 03)0ω is switched, and the raw water is sent from the raw water supply port 00) to the cold water outlet 02) via the heat exchanger (3) using the liquid sending pump (P2).
上記熱交換器（３）内では、冷却装置（２）によって熱
を奪れた低温の伝熱媒体と原水との熱交換が行われ、冷
水出口０２）から冷水が送り出される。In the heat exchanger (3), heat is exchanged between the raw water and the low-temperature heat transfer medium from which heat has been removed by the cooling device (2), and cold water is sent out from the cold water outlet 02).
その際、冷水出口０２）近傍に温度センサー（Ｔ）を設
けて冷水温度を監視し、所望温度の冷水が得られるよう
に、伝熱媒体の循環流量、冷却装置による伝熱媒体の冷
却力を適宜調整する制御手段を設けておくのが好ましい
。At that time, a temperature sensor (T) is installed near the chilled water outlet 02) to monitor the chilled water temperature, and the circulation flow rate of the heat transfer medium and the cooling power of the heat transfer medium by the cooling device are adjusted to obtain chilled water at the desired temperature. It is preferable to provide a control means for appropriate adjustment.
この状態から冷水の需要が増大する等して熱交換器（３
）内に放出される伝熱媒体からの熱量が増大した場合、
上記循環ポンプ（Ｐ、）による伝熱媒体の循環流量を増
加させる。From this state, the demand for chilled water increases, and the heat exchanger (3
) increases the amount of heat from the heat transfer medium released in
The circulation flow rate of the heat transfer medium by the circulation pump (P,) is increased.
更に、冷水の需要が増大した場合には、冷却装置（２）
を起動し、上記伝熱媒体が所望の温度となるように冷却
すればよい。Furthermore, if the demand for chilled water increases, the cooling system (2)
The heat transfer medium may be cooled to a desired temperature.
一方、冷水の需要量が極めて少ない場合には、第２の切
換弁（９）を操作し、熱交換器（３）からの伝熱媒体の
一部を分岐ライン（６）によって蓄熱槽（１）をバイパ
スさせて循環させるようにして蓄熱槽（１）からの放熱
量を抑えればよい。On the other hand, when the demand for cold water is extremely small, the second switching valve (9) is operated to divert a portion of the heat transfer medium from the heat exchanger (3) to the heat storage tank (1) via the branch line (6). ) may be bypassed and circulated to suppress the amount of heat released from the heat storage tank (1).
更に、冷水の需要量があまり多くなく、冷却装置（２）
の能力に余力がある場合には、上記第１の弁（８）を切
換え、冷却装置（２）を出た冷却媒体の一部を蓄熱ライ
ン（４）中で循環させることにより、蓄熱槽（１）への
蓄熱を同時に行うことも可能である。Furthermore, the demand for chilled water is not very large, and the cooling equipment (2)
If there is surplus capacity in the heat storage tank ( It is also possible to store heat in 1) at the same time.
更にまた、冷水の流れが停止あるいは残少した場合に、
熱交換器（３）内での凍結を防止する手段を設けておく
のが好ましい。Furthermore, if the flow of cold water stops or remains,
Preferably, means are provided to prevent freezing within the heat exchanger (3).
以上の冷却装置（１）、循環ポンプ（Ｐｌ）、及び送液
ポンプ（Ｐ２）、第１、第２の弁（８） （９）の制御
は、前述蓄熱量の検出装置（Ｓ）や冷水ライン（力に配
した温度センサー（Ｔ）等からの信号等に基づいて行う
。The above-mentioned cooling device (1), circulation pump (Pl), liquid pump (P2), first and second valves (8) and (9) are controlled by the heat storage amount detection device (S) and the cold water supply pump (P2). This is done based on signals from a temperature sensor (T) placed on the power line.
上記冷水製造装置において、第３の弁０３）の切換操作
により、給水タンク（Ｉｔ）からの原水のうち、熱交換
器（３）に流入する量と分岐ライン圓に流入する量を適
宜に調整することにより、冷水温度を調整することも可
能である。In the above cold water production device, the amount of raw water from the water supply tank (It) that flows into the heat exchanger (3) and the amount that flows into the branch line circle are adjusted as appropriate by switching the third valve 03). By doing so, it is also possible to adjust the cold water temperature.
以上説明したように、この発明に係る潜熱蓄熱式冷水製
造装置によれば、簡単な配管構成を取ることができるた
め、装置自体の低コスト化並びに信頼性・耐久性の向上
が図れる。As explained above, according to the latent heat storage type cold water production device according to the present invention, a simple piping configuration can be adopted, so that the cost of the device itself can be reduced and reliability and durability can be improved.
更に、本発明装置の運転時において、蓄熱量（蓄熱残量
）の検出手段により、蓄熱槽内の蓄熱状況を常に監視す
ることにより、冷水の需要量に応じた適切な運転状況を
設定することができ、省エネルギー化が図れる。Furthermore, when the device of the present invention is operated, the heat storage state in the heat storage tank is constantly monitored by means for detecting the amount of heat storage (residual heat storage amount), thereby setting an appropriate operating state according to the demand for cold water. This allows for energy savings.
第１図は、この発明に係る潜熱蓄熱式冷水製造装置の一
実施例を示す概略構成図である。
（１）・・・潜熱蓄熱槽 （２）・・・冷却装置
（３）・・・熱交換器 （４）・・・蓄熱ライ
ン（５）・・・放熱ライン （６）・・・分岐ラ
イン（７）・・・冷水供給ライン
（８）・・・第１の切換弁
（９）・・・第２の切換弁
（Ｓ）・・・蓄熱量検出手段FIG. 1 is a schematic diagram showing an embodiment of a latent heat storage type cold water production apparatus according to the present invention. (1)...Latent heat storage tank (2)...Cooling device (3)...Heat exchanger (4)...Heat storage line (5)...Heat radiation line (6)...Branch line (7)...Cold water supply line (8)...First switching valve (9)...Second switching valve (S)...Heat storage amount detection means
Claims (1)
熱量を検出する手段（Ｓ）を備えた潜熱蓄熱槽（１）と
、 伝熱媒体の冷却装置（２）と、 伝熱媒体と原水との間で熱交換を行う熱交換器（３）と
、 上記蓄熱槽（１）並びに冷却装置（２）を環状に接続す
る蓄熱ライン（４）と、 その蓄熱ライン（１）における冷却装置（２）下流側に
接続した第１の切換弁（８）から延び、上記熱交換器（
３）を介して蓄熱槽（１）上流側に致る放熱ライン（５
）と、上記蓄熱ライン（４）の第１の切換弁（８）より
下流で放熱ライン（５）と並列をなす部分より分岐し、
蓄熱槽（１）と冷却装置（２）との間に設けた第２の切
換弁（９）に致る分岐ライン（６）と、 上記熱交換器（３）に接続した冷却供給ライン（７）と
を具備することを特徴とする蓄熱式冷水製造装置。[Scope of Claims] 1) A latent heat storage tank (1) filled with a heat storage medium between the internal heat transfer medium flow path and equipped with means (S) for detecting the amount of heat storage, and cooling of the heat transfer medium. a heat exchanger (3) that exchanges heat between the heat transfer medium and raw water; and a heat storage line (4) that connects the heat storage tank (1) and the cooling device (2) in a circular manner. , extends from the first switching valve (8) connected to the downstream side of the cooling device (2) in the heat storage line (1), and connects the heat exchanger (
3) to the upstream side of the heat storage tank (1).
), branching from a portion of the heat storage line (4) that is downstream of the first switching valve (8) and parallel to the heat radiation line (5),
A branch line (6) leading to the second switching valve (9) provided between the heat storage tank (1) and the cooling device (2), and a cooling supply line (7) connected to the heat exchanger (3). ) A heat storage type cold water production device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1277746A JPH03140728A (en) | 1989-10-24 | 1989-10-24 | Heat storage type cold water manufacture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1277746A JPH03140728A (en) | 1989-10-24 | 1989-10-24 | Heat storage type cold water manufacture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03140728A true JPH03140728A (en) | 1991-06-14 |
Family
ID=17587754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1277746A Pending JPH03140728A (en) | 1989-10-24 | 1989-10-24 | Heat storage type cold water manufacture device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03140728A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008108452A1 (en) * | 2007-03-02 | 2008-09-12 | Toyota Jidosha Kabushiki Kaisha | Regenerative apparatus |
-
1989
- 1989-10-24 JP JP1277746A patent/JPH03140728A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008108452A1 (en) * | 2007-03-02 | 2008-09-12 | Toyota Jidosha Kabushiki Kaisha | Regenerative apparatus |
| JP2008215708A (en) * | 2007-03-02 | 2008-09-18 | Toyota Motor Corp | Heat storage device |
| JP4650438B2 (en) * | 2007-03-02 | 2011-03-16 | トヨタ自動車株式会社 | Heat storage device |
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