JPS6071828A - Hot water supply system - Google Patents

Hot water supply system

Info

Publication number
JPS6071828A
JPS6071828A JP58178238A JP17823883A JPS6071828A JP S6071828 A JPS6071828 A JP S6071828A JP 58178238 A JP58178238 A JP 58178238A JP 17823883 A JP17823883 A JP 17823883A JP S6071828 A JPS6071828 A JP S6071828A
Authority
JP
Japan
Prior art keywords
hot water
heat
temperature
storage tank
bathtub
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
Application number
JP58178238A
Other languages
Japanese (ja)
Inventor
Hiroshi Koyama
弘志 小山
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP58178238A priority Critical patent/JPS6071828A/en
Publication of JPS6071828A publication Critical patent/JPS6071828A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/54Water heaters for bathtubs or pools; Water heaters for reheating the water in bathtubs or pools

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

PURPOSE:To contrive reuse of heat, by a method wherein a heat source such as used hot water is stored in a hot water tank as hot water through a heat exchanger by combining the heat exchanger with the hot water tank which is supplied as the hot water. CONSTITUTION:Hot water of a bathtub 1 is circulated through primary piping 3 by operating a circulating pump 4. Simultaneously with the above cold water supplied from a water supply source 8 of the inside of a hot water tank 5 is circulated through secondary piping 6 by operating a circulating pump 7. With this construction, heat of hot water in the inside of the bathtub circulating in the primary piping 3 is transferred to cold water passing through the secondary piping 6, in a heat exchanger 2. Hot water in the hot water tank 5, whose temperature has risen in this manner is supplied through hot water supply piping 9 for a kitchen and the bathtub use after it is heated by an auxiliary heating device and risen up to an appropriate temperature according to necessity on the following day.

Description

【発明の詳細な説明】 本発明は、使用後に放熱等のために棄てられていた熱量
を再利用するようにした給湯システムに関するものであ
る。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hot water supply system that reuses the amount of heat that was wasted for heat radiation after use.

従来、家庭用の給湯装置において、例えば入浴後の浴槽
内の湯はそのまま放置されるために次第に放熱され翌朝
には水道等の水温と同じ程度の温度にまで低下してしま
う。したがって再度初めの温度状態から沸かすか浴槽の
水を入れかえて沸かす必要があった。
Conventionally, in home water heaters, for example, hot water in a bathtub is left as it is after taking a bath, so the heat gradually radiates, and the temperature drops to about the same temperature as the water in tap water the next morning. Therefore, it was necessary to boil the bathtub again from the initial temperature, or to replace the water in the bathtub.

また、多量に湯を使用する職業においても使用後は廃棄
してしまうのが一般的であった。
Furthermore, even in occupations that use a large amount of hot water, it was common for the hot water to be disposed of after use.

本発明の目的は、熱交換器と貯湯槽を組合わせることに
よって使用済の湯等の熱源を前記の熱交換器を介して貯
湯槽に温水として蓄え、これを給湯することにより熱の
再利用をはかるようにした給湯システムを提供すること
にある。
An object of the present invention is to combine a heat exchanger and a hot water storage tank to store a heat source such as used hot water as hot water in the hot water storage tank via the heat exchanger, and to reuse heat by supplying hot water. The objective is to provide a hot water supply system that measures the

本発明の他の目的は、熱交換器と貯湯槽とを備えていて
、この熱交換器の1次側入口と2次側出口とにて夫々温
度を測定しその温度差に応じて2(2) 次側の循環の流量をコントロールして使用済の熱源を熱
交換器を介して高い温度にてしかも高い熱交換率にて貯
湯槽に湯水として蓄え、これを給湯して利用するように
した給湯システムを提供することにある。
Another object of the present invention is to provide a heat exchanger and a hot water storage tank, measure the temperature at the primary inlet and secondary outlet of the heat exchanger, and measure the 2) By controlling the flow rate of the circulation on the next side, the used heat source is stored as hot water in the hot water tank via a heat exchanger at a high temperature and high heat exchange rate, and this is used to supply hot water. The aim is to provide a hot water supply system with

以下家庭用浴槽内の使用後の湯の熱を再利用するように
した第1の実施例をもとに本発明の給湯システムを詳細
に説明する。第1図はその構成を示す図であって、熱源
である浴槽1と、熱交換器2と、浴槽1内の湯を熱交換
器2を通して循環せしめるだめの1次側循環路である1
次配管3と、循環ポンプ4と、受熱側である放熱を出来
る限り少なくした構造の貯湯槽5と、貯湯槽内の水を熱
交換器2を通して循環せしめるだめの2次側循環路であ
る2次配管6と、循環ポンプ7とより構成されている。
The hot water supply system of the present invention will be described in detail below based on a first embodiment in which the heat of hot water after use in a domestic bathtub is reused. FIG. 1 is a diagram showing its configuration, which includes a bathtub 1 as a heat source, a heat exchanger 2, and a primary circulation path 1 for circulating hot water in the bathtub 1 through the heat exchanger 2.
A secondary piping 3, a circulation pump 4, a hot water storage tank 5 on the heat receiving side that has a structure that reduces heat radiation as much as possible, and a secondary circulation path 2 that circulates water in the hot water storage tank through a heat exchanger 2. It is composed of a secondary pipe 6 and a circulation pump 7.

この実施例の給湯システムの作用について次に述べる。The operation of the hot water supply system of this embodiment will be described next.

まず循環ポンプ4を運転して浴槽1の湯を1次配管3を
通して循環させる。同時に循環ポンプ7を運転して貯湯
槽5内の給水源8より供給(3) された冷水を2次配管6を通して循環する。これによっ
て熱交換器2において1次配管3を循環する浴槽1内の
湯の熱は、2次配管6を通る冷水に移される。したがっ
て浴槽1の湯の温度は下がり一方貯湯槽5の温度が上昇
する。このようにして両温度がほぼ等くなるまで熱交換
が行なわれ、ここで両循環ポンプ4,7の運転は停止さ
れる。
First, the circulation pump 4 is operated to circulate hot water in the bathtub 1 through the primary pipe 3. At the same time, the circulation pump 7 is operated to circulate the cold water supplied (3) from the water supply source 8 in the hot water storage tank 5 through the secondary pipe 6. As a result, the heat of the hot water in the bathtub 1 circulating through the primary pipe 3 in the heat exchanger 2 is transferred to the cold water passing through the secondary pipe 6. Therefore, the temperature of the hot water in the bathtub 1 decreases, while the temperature of the hot water storage tank 5 increases. In this way, heat exchange is performed until both temperatures become approximately equal, at which point the operation of both circulation pumps 4 and 7 is stopped.

このようにして温度が上昇した貯湯槽5内の温水は、翌
日必要に応じて補助加熱手段により熱せられ適宜温度に
まで上昇された上で台所用、浴槽用等として使用するた
めに給湯配管9を通って供給される。
The hot water in the hot water storage tank 5, whose temperature has increased in this way, is heated by an auxiliary heating means as needed the next day, and after being raised to an appropriate temperature, the hot water pipe 9 is used for use in the kitchen, bathtub, etc. supplied through the

このように放熱されて無駄に棄てられていた使用後の浴
槽1内の湯の熱量は、その多くが放熱の非常に少ない貯
湯槽5に蓄えられ、翌日利用される。
Much of the heat of the hot water in the bathtub 1 after use, which was radiated and wasted in this way, is stored in the hot water storage tank 5, which radiates very little heat, and is used the next day.

この実施例の給湯システムでは、熱交換の際に、2次側
の配管番通って冷水が一定流量にて循環される。そのだ
めに貯湯槽5内でも液体の流れが起り、攪判されたと同
じ状態となり貯湯槽5内の温(4) 度は平均化される。したがって熱交換がすすむにつれて
貯湯槽5より熱交換器2へ送られる水は上昇する。これ
によって浴槽1の湯の温度があまシ低くならないうちに
熱交換器2へ送られる浴槽1の湯の温度と貯湯槽5の温
水の温度とがほぼ等しくなり熱交換が行表われなくなり
、成程度の熱量は再利用されずに放熱される。
In the hot water supply system of this embodiment, cold water is circulated at a constant flow rate through the piping number on the secondary side during heat exchange. As a result, a flow of liquid also occurs within the hot water storage tank 5, resulting in the same state as in the case of stirring, and the temperature (4) degrees within the hot water storage tank 5 is averaged. Therefore, as the heat exchange progresses, the amount of water sent from the hot water storage tank 5 to the heat exchanger 2 rises. As a result, before the temperature of the hot water in the bathtub 1 becomes too low, the temperature of the hot water in the bathtub 1 sent to the heat exchanger 2 and the temperature of the hot water in the hot water storage tank 5 become almost equal, and no heat exchange takes place. A certain amount of heat is dissipated without being reused.

この点を改良し極めて高い熱回収率にて貯湯槽に熱回収
を行ない得るようにしたものが、第2図に示す第2の実
施例である。この図において、1は浴槽、2は熱交換器
、3は1次配管、5は貯湯槽、6は2次配管、8は給水
源、9は給湯配管でこれらは第1の実施例と実質上同じ
ものである。
The second embodiment shown in FIG. 2 improves this point and makes it possible to recover heat to the hot water storage tank at an extremely high heat recovery rate. In this figure, 1 is a bathtub, 2 is a heat exchanger, 3 is a primary pipe, 5 is a hot water storage tank, 6 is a secondary pipe, 8 is a water supply source, and 9 is a hot water supply pipe, which are substantially the same as those in the first embodiment. It is the same as above.

又11は1次配管3の熱交換器入口付近に設けた第1の
温度センサー、12は2次配管6の熱交換器出口付近に
設けた第2の温度センサー、13は2次配管6の熱交換
器入口付近に設けた第3の温度センサー、14は第1.
第2.第3の各温度センサーよりの信号にもとづいてポ
ンプその他の駆動を制御するコントローラー、15は1
次配管に設けた循環(5) ポンプ、16は2次配管に設けた流量可変循環ポンプで
ある。この流量可変循環ポンプは、第1の温度センサー
11にて検出された温度と第2の温度センサー12にて
検出された温度との差により流量が変えられる。例えば
このポンプ16は、これを駆動する駆動モーターの回転
数が前記の第1の温度センサーと第2の温度センサーに
て検出された両温度の温度差(具体的には温度差に逆比
しlする値)に応じて変化するように構成されている。
Also, 11 is a first temperature sensor installed near the heat exchanger inlet of the primary pipe 3, 12 is a second temperature sensor installed near the heat exchanger outlet of the secondary pipe 6, and 13 is a second temperature sensor installed near the heat exchanger outlet of the secondary pipe 6. A third temperature sensor 14 is provided near the inlet of the heat exchanger.
Second. 15 is a controller that controls the drive of the pump and other components based on signals from each third temperature sensor;
A circulation (5) pump provided in the secondary piping, 16 is a variable flow rate circulation pump provided in the secondary piping. The flow rate of this variable flow rate circulation pump is changed based on the difference between the temperature detected by the first temperature sensor 11 and the temperature detected by the second temperature sensor 12. For example, in this pump 16, the rotation speed of the drive motor that drives the pump 16 is determined by the temperature difference (specifically, inversely proportional to the temperature difference) between the two temperatures detected by the first temperature sensor and the second temperature sensor. It is configured to change depending on the value of

又17はパルプ、18は他の熱源により加熱された温水
を供給する配管である。
Further, 17 is pulp, and 18 is a pipe for supplying hot water heated by another heat source.

次に以上のような構成の第2の実施例の作用について説
明する。まず1次側の循環ポンプ15を運転し、第1の
温度センサー11により検出された温のスイッチが自己
保持されこのポンプの運転が持続される。これによって
与熱側である浴槽1内の湯は1次循環路3を通って一定
流量(バルブ17の調整によって調整された最も望まし
い流量)にて(6) 循環される。又第1の温度センサー11により検出され
た温度の信号と第2の温度センサー12により検出され
た温度の信号がコントローラー14に送られここで両温
度の差がめられその値に反比例しだ信号が流量可変循環
ポンプ16へ送られる。例えば温度差に反比例した電流
が流量可変循環ポンプ16を駆動するモーターへ供給さ
れる。この場合、初めは1次配管3により熱交換器2へ
送られて来る湯の温度は高く(例えば40°C)一方2
次配管6の熱交換器出口の温度は十分熱交換されていな
いため低い。そのため第1の温度センサー11と第2の
温度センサー12とで検出される温度差は比較的太であ
る。したがってコントローラー14よりの出力信号は極
めて小で流量可変循環ポンプ16はほとんど働かない。
Next, the operation of the second embodiment configured as above will be explained. First, the circulation pump 15 on the primary side is operated, and the temperature switch detected by the first temperature sensor 11 is self-held, and the operation of this pump is continued. As a result, the hot water in the bathtub 1 on the heating side is circulated (6) through the primary circulation path 3 at a constant flow rate (the most desirable flow rate adjusted by adjusting the valve 17). Further, the temperature signal detected by the first temperature sensor 11 and the temperature signal detected by the second temperature sensor 12 are sent to the controller 14, where the difference between the two temperatures is determined and a signal is generated that is inversely proportional to the value. It is sent to the variable flow rate circulation pump 16. For example, a current inversely proportional to the temperature difference is supplied to the motor driving the variable flow rate circulation pump 16. In this case, initially the temperature of the hot water sent to the heat exchanger 2 through the primary pipe 3 is high (for example, 40°C), while the
The temperature at the outlet of the heat exchanger of the next pipe 6 is low because heat exchange is not sufficient. Therefore, the temperature difference detected between the first temperature sensor 11 and the second temperature sensor 12 is relatively large. Therefore, the output signal from the controller 14 is extremely small and the variable flow rate circulation pump 16 hardly operates.

つま92次循環路はほとんど循環しない。時間の経過と
共に熱交換が進み第2の温度センサー12にて検出され
る温度が上昇し第1の温度センサー11にて検出される
温度との差が小になるとコントローラー14よりの出力
信号が犬になり流量可変循環ポンプ16による2次循環
路の循環(7) が行なわれる。これによって熱交換器2により温度が高
くなった温水は貯湯槽5へ送られる。この温水は、熱交
換器2における1次循環路の入口と2次循環路の出口の
温度差が犬である時はほとんど送られず小になってから
送られるので1次循環路の入口の温度つまり浴槽の湯の
温度(例えば40゜)に近い温度になっている。
The 92nd order circulation path hardly circulates. As time passes, heat exchange progresses, the temperature detected by the second temperature sensor 12 increases, and when the difference between it and the temperature detected by the first temperature sensor 11 becomes small, the output signal from the controller 14 increases. Then, circulation (7) in the secondary circulation path is performed by the variable flow rate circulation pump 16. As a result, the hot water whose temperature has been increased by the heat exchanger 2 is sent to the hot water storage tank 5. When the temperature difference between the inlet of the primary circulation path and the outlet of the secondary circulation path in the heat exchanger 2 is small, this hot water is hardly sent and is sent only after it becomes small. The temperature is close to the temperature of hot water in a bathtub (for example, 40 degrees).

このようにして熱交換が進むと浴槽1の湯の温度は熱の
供給によって減少する。しだがって2次循環路を通って
貯水槽5へ送られる温水も低下するが常にその時点での
浴槽の湯の温度(熱交換器の1次循環路の入口の温度)
に近い温度である。
As the heat exchange progresses in this way, the temperature of the hot water in the bathtub 1 decreases due to the supply of heat. Therefore, the hot water sent to the water storage tank 5 through the secondary circulation path also decreases, but the temperature of the hot water in the bathtub at that point (temperature at the inlet of the primary circulation path of the heat exchanger) always decreases.
The temperature is close to .

更に熱交換が進み浴槽1の湯の温度が著しく減少して第
1の温度センサー11にて検出される温度と第3の温度
センサー13にて検出される温度の差つまり熱交換器2
における1次循環路3の入口の温度と2次循環路6の入
口の温度の差がほとんどなくなる(例えば温度差が3°
C以下になる)とそれ以上の熱交換は殆んど行なうこと
が出来ず無意味であるから両循環ポンプは共に停止する
As the heat exchange progresses further, the temperature of the hot water in the bathtub 1 decreases significantly, and the difference between the temperature detected by the first temperature sensor 11 and the temperature detected by the third temperature sensor 13, that is, the heat exchanger 2
The temperature difference between the temperature at the inlet of the primary circulation path 3 and the temperature at the inlet of the secondary circulation path 6 is almost eliminated (for example, when the temperature difference is 3°
Since heat exchange beyond this point is almost impossible and is meaningless, both circulation pumps are stopped.

(8) 以上の作用においては、2次循環路6に設けた流量可変
ポンプ16は、常に運転しているのではないので、貯湯
槽5内の水は攪拌されることなく、上方が温度が高く下
方が温度が低い状態が保たれる。例えば最上位が40°
Cで次第に温度が下がシ下方は水源よりの水の温度例え
ば9°Cに常になっている。したがって浴槽1の湯の温
度が12’c程度になるまで十分な熱交換が行なわれる
。このように−次側(与熱側)の温度が低い温度になる
まで熱交換が可能であシ、十分に熱を回収し再利用する
ことが出来る。
(8) In the above operation, the variable flow rate pump 16 provided in the secondary circulation path 6 is not constantly operating, so the water in the hot water storage tank 5 is not stirred and the upper temperature is low. The temperature at the top and bottom remains low. For example, the top is 40°
At C, the temperature gradually decreases, and at the bottom, the temperature of the water from the water source is always, for example, 9°C. Therefore, sufficient heat exchange is performed until the temperature of the hot water in the bathtub 1 reaches about 12'C. In this way, heat exchange is possible until the temperature on the next side (heating side) becomes low, and heat can be sufficiently recovered and reused.

次に本発明の給湯システムを太陽熱利用給湯装置に使用
した場合について説明する。第3図は、本発明の第2の
実施例を太陽熱利用給湯装置に使用した場合の一例を示
す図であって、この図においてかは太陽熱コレクターで
これを貯湯槽5に接続して使用する。その他の構成は第
2図に示すものと実質的に同じである。このような構成
の装置において、まず入浴終了後に給湯システムをオン
にする。これによって第2図にもとづいて既に詳(9) 細に説明したようにして本発明のシステムが作動して浴
槽1内の湯の熱量の大部分が貯湯槽内に湯水として回収
される。そして浴槽1内の湯の温度と貯湯槽5よシ熱交
換器2へ供給される水の温度との温度差が所定温度例え
ば3°C以下になった時本発明のシステムの運転は自動
的に停止される。
Next, a case will be described in which the hot water supply system of the present invention is used in a solar hot water supply device. FIG. 3 is a diagram showing an example of the case where the second embodiment of the present invention is used in a solar water heating system. In this figure, the solar collector is connected to the hot water storage tank 5. . The other configurations are substantially the same as shown in FIG. In an apparatus having such a configuration, first, the hot water supply system is turned on after bathing. As a result, the system of the present invention operates as already described in detail (9) based on FIG. 2, and most of the heat of the hot water in the bathtub 1 is recovered as hot water in the hot water storage tank. When the temperature difference between the temperature of the hot water in the bathtub 1 and the temperature of the water supplied from the hot water tank 5 to the heat exchanger 2 becomes a predetermined temperature, for example, 3°C or less, the system of the present invention automatically operates. will be stopped.

このようにして浴槽1内の湯の熱量の大部分は貯湯槽5
内の湯水に吸収され蓄えられる。次の日に太陽熱コレク
ターにより貯湯槽5内の温水は加温される。この場合、
本発明の給湯システムを用いない場合には太陽熱コレク
ターへ供給される水温は7°0−2000程度であるが
本発明の熱交換システムを用いた場合にはこれよりは高
い温度になっている。したがって冬場の日射量の少ない
時であっても十分高温にすることが出来る。
In this way, most of the heat of the hot water in the bathtub 1 is transferred to the hot water storage tank 5.
It is absorbed and stored in the hot water inside. The next day, the hot water in the hot water tank 5 is heated by the solar collector. in this case,
When the hot water supply system of the present invention is not used, the temperature of the water supplied to the solar collector is about 7°0-2000°C, but when the heat exchange system of the present invention is used, the temperature is higher than this. Therefore, it is possible to reach a sufficiently high temperature even in the winter when the amount of solar radiation is low.

次の表は最も日射量の少ない2月、最も日射量の多い5
月、外気温の高い8月についての測定データーである。
The following table shows February with the least amount of solar radiation and 5 months with the highest amount of solar radiation.
This is measurement data for August, when the outside temperature is high.

表 月 (A) (B) (0) (D) (E) (F)
 (G’)(10) 279.0007°’c 70a 169.60042
°c174.00063°C5108,00021°c
17°(3234,90059°Q 118.2007
1°C8103,30029°026°(3223,6
0064°(372,00073°にの表において(A
)は傾斜面平均日射量(Kcat/m3月’) 、 (
B)は外気温度、(0)は給水温度、(D)は3枚のコ
レクターを用いた太陽熱コレクターによる集熱量(Kc
at/3枚・月)、(縛は太陽熱コレクターを用いた時
の到達温度、(F)は本発明の第2の実施例による集熱
量、(G)は太陽コレクターを併用した場合の到達温度
である。尚浴槽は2oot、貯湯槽は270tである。
Omotesuki (A) (B) (0) (D) (E) (F)
(G') (10) 279.0007°'c 70a 169.60042
°c174.00063°C5108,00021°c
17° (3234,90059°Q 118.2007
1°C8103,30029°026°(3223,6
0064° (372,00073° in the table (A
) is the slope average solar radiation (Kcat/m3'), (
B) is the outside air temperature, (0) is the water supply temperature, and (D) is the amount of heat collected by the solar collector using three collectors (Kc
at/3 sheets/month), (bound is the temperature reached when using a solar collector, (F) is the amount of heat collected by the second embodiment of the present invention, (G) is the temperature reached when a solar collector is used together) The bathtub is 2oot and the hot water storage tank is 270t.

上の表より明らかなように太陽熱利用の給湯システムに
本発明の給湯システムを組合わせたものは冬場において
も60°程度の温度が得られるので補助加熱を用いるこ
となしに利用出来る。更に第2の実施例の場合、上の表
からもわかるように冬場の給水温度の低い時程熱の回収
率が大になる。
As is clear from the above table, a hot water supply system using solar heat in combination with the hot water supply system of the present invention can obtain a temperature of about 60° even in winter, so it can be used without using auxiliary heating. Furthermore, in the case of the second embodiment, as can be seen from the above table, the heat recovery rate increases as the water supply temperature decreases in winter.

したがって太陽熱利用の給湯システムでは不十分である
冬場において特に有効であるため、この第2の実施例と
太陽熱利用システムとの組合わせに(11) おいては、−年中安定した給湯が可能となる。
Therefore, since it is particularly effective in winter when a solar heat hot water supply system is insufficient, the combination of this second embodiment and a solar heat heat system (11) enables stable hot water supply all year round. Become.

以上説明したように本発明の給湯システムによれば、従
来放熱や廃棄によって棄てられていた浴槽の湯や熱湯を
使用する職業での湯等の熱の可成りの部分が再利用され
るために大幅な燃料の節減をはかることが出来る。まだ
第2の実施例のものは、熱の回収率が高いので一層有効
である。更に本発明のシステムを太陽熱利用のシステム
に組合わせて使用すれば殆んど一年中補助加熱なしに使
用でき、特に第2の実施例の場合は太陽熱の利用が限ら
れる冬場において熱の回収率が高いことから極めて効果
的である。
As explained above, according to the hot water supply system of the present invention, a considerable portion of the heat from hot water in bathtubs and hot water used in occupations that use boiling water, which was conventionally discarded due to heat radiation or disposal, can be reused. Significant fuel savings can be achieved. The second embodiment is even more effective because of its high heat recovery rate. Furthermore, if the system of the present invention is used in combination with a solar heat utilization system, it can be used almost all year round without supplementary heating, and especially in the case of the second embodiment, heat recovery is possible in winter when the use of solar heat is limited. It is extremely effective due to its high rate.

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

第1図は本発明の第1の実施例の構成を示す図、第2図
は本発明の第2の実施例の構成を示す図、第3図は本発
明の第2の実施例を太陽熱利用の給湯システムと組合わ
せた場合の構成を示す図である。 1・・・・浴槽、2・・・・熱交換器、3・・・・1次
配管、4・・・・循環ポンプ、5・・・・貯湯槽、(1
2) 6・・・・2次配管、7・・・・循環ポンプ、11・・
・・第1の温度センサー、12・・・・第2の温度セン
サー、13・・・・第3の温度センサー、14・・・・
コントローラー、15・・・・循環ポンプ、16・・・
・流量可変環ポンプ。 出願人 小 山 弘 志 代理人 向 寛 二 (13)
FIG. 1 is a diagram showing the configuration of the first embodiment of the present invention, FIG. 2 is a diagram showing the configuration of the second embodiment of the present invention, and FIG. 3 is a diagram showing the configuration of the second embodiment of the present invention. It is a diagram showing a configuration when combined with a hot water supply system for use. 1...Bathtub, 2...Heat exchanger, 3...Primary piping, 4...Circulation pump, 5...Hot water tank, (1
2) 6...Secondary piping, 7...Circulation pump, 11...
...First temperature sensor, 12...Second temperature sensor, 13...Third temperature sensor, 14...
Controller, 15...Circulation pump, 16...
・Variable flow rate ring pump. Applicant Hiroshi Koyama Agent Hiroshi Mukai (13)

Claims (1)

【特許請求の範囲】 (1)使用済みの浴槽内の湯等の熱源と、貯湯槽と、前
記の熱源の熱を交換して貯湯槽へ温水として供給する熱
交換器とを備え、前記の使用済みの熱源の熱を前記貯温
槽内の温水として蓄えこれを加熱して又は加熱せずに給
湯することによって再利用し得るようにした給湯システ
ム。 (2)使用済みの浴槽内の湯等の熱源と、貯湯槽と、前
記の熱源の熱を交換して貯湯槽へ温水として供給する熱
交換器とを備え、前記熱交換器の熱源よりの1次循環路
入口付近と貯湯槽への2次循環路出口付近との温度差に
応じて2次循環路の流量を変化させることによって前記
の使用済みの熱源の熱を貯湯槽内の温水として高い回収
率にて回収して蓄えこれを加熱して又は加熱せずに給湯
することによって再利用し得るようにした給湯システム
。 (1)
[Scope of Claims] (1) A heat source including a heat source such as hot water in a used bathtub, a hot water storage tank, and a heat exchanger that exchanges heat from the heat source and supplies hot water to the hot water storage tank; A hot water supply system in which heat from a used heat source is stored as hot water in the heat storage tank and can be reused by heating or supplying hot water without heating. (2) Equipped with a heat source such as hot water in a used bathtub, a hot water storage tank, and a heat exchanger that exchanges heat from the heat source and supplies hot water to the hot water storage tank, By changing the flow rate of the secondary circulation path according to the temperature difference between the vicinity of the entrance of the primary circulation path and the vicinity of the exit of the secondary circulation path to the hot water storage tank, the heat from the used heat source is converted into hot water in the hot water storage tank. A hot water supply system that collects hot water at a high recovery rate, stores it, and reuses it by heating it or supplying hot water without heating. (1)
JP58178238A 1983-09-28 1983-09-28 Hot water supply system Pending JPS6071828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58178238A JPS6071828A (en) 1983-09-28 1983-09-28 Hot water supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58178238A JPS6071828A (en) 1983-09-28 1983-09-28 Hot water supply system

Publications (1)

Publication Number Publication Date
JPS6071828A true JPS6071828A (en) 1985-04-23

Family

ID=16045005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58178238A Pending JPS6071828A (en) 1983-09-28 1983-09-28 Hot water supply system

Country Status (1)

Country Link
JP (1) JPS6071828A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013221632A (en) * 2012-04-13 2013-10-28 Panasonic Corp Water heater
CN113293821A (en) * 2021-07-01 2021-08-24 何树福 Novel totally-enclosed pollution-free household water saving system without electricity

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108574A (en) * 1977-02-28 1978-09-21 Matsushita Electric Works Ltd Waste heat recovery apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108574A (en) * 1977-02-28 1978-09-21 Matsushita Electric Works Ltd Waste heat recovery apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013221632A (en) * 2012-04-13 2013-10-28 Panasonic Corp Water heater
CN113293821A (en) * 2021-07-01 2021-08-24 何树福 Novel totally-enclosed pollution-free household water saving system without electricity
CN113293821B (en) * 2021-07-01 2022-09-30 何树福 Totally-enclosed household water-saving system

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