JPH0665772U - Waste heat utilization type road heating device - Google Patents

Waste heat utilization type road heating device

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Publication number
JPH0665772U
JPH0665772U JP3844292U JP3844292U JPH0665772U JP H0665772 U JPH0665772 U JP H0665772U JP 3844292 U JP3844292 U JP 3844292U JP 3844292 U JP3844292 U JP 3844292U JP H0665772 U JPH0665772 U JP H0665772U
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JP
Japan
Prior art keywords
hot water
pipe
heat
heat exchanger
water 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
Application number
JP3844292U
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Japanese (ja)
Inventor
健一 平田
Original Assignee
伊藤 進
田村 悦夫
金沢 浩三
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Publication date
Application filed by 伊藤 進, 田村 悦夫, 金沢 浩三 filed Critical 伊藤 進
Priority to JP3844292U priority Critical patent/JPH0665772U/en
Publication of JPH0665772U publication Critical patent/JPH0665772U/en
Application status is Pending legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration

Abstract

(57)【要約】 【目的】 寒冷地では24時間稼働させている暖房用ボイラの排熱を利用することにより、維持費を実質上不要にでき、また、ロードヒーティングの路面被覆層を24 By utilizing the heating boiler it is running 24 hours heat in (57) Abstract: OBJECTIVE cold climates, maintenance costs and can be substantially unnecessary, the road surface coating layer of the road heating 24
時間加温状態に保つ。 Time keep in a heated state. 【構成】 暖房用ボイラ1の排気筒1Aに二管式熱交換器2を設けてある。 [Configuration] The stack 1A of the heating boiler 1 is provided with Nikan heat exchanger 2. 二管式熱交換器2は内部に排熱によって加熱される熱媒とこの熱媒によって加熱される通水コイルを有している。 Two tube heat exchanger 2 has a water flow coil which is heated by the heat medium and the heating medium is heated by exhaust heat inside. 温水タンク21は温水供給管19 The hot water tank 21 is the hot water supply pipe 19
を介して通水コイルの流出口及び温水戻し管20を介して通水コイルの流入口とそれぞれ接続してある。 Through the through outlet and hot water return pipe 20 of the water passing the coil are connected respectively an inlet water passage coil. 温水戻し管20の途中には熱交換器2の熱媒が50℃に上昇したときに作動する温水循環ポンプ24が設けてある。 In the middle of the hot water return pipe 20 it is provided with a hot water circulation pump 24 which operates when the heat medium of the heat exchanger 2 is increased to 50 ° C.. 温水タンク21には温水を融雪水として循環させる融雪水循環パイプ28が接続してあり、融雪水循環パイプ28 The hot water tank 21 is Yes and snow melting water circulation pipe 28 for circulating the hot water as meltwater connected, meltwater circulation pipe 28
の途中は放熱部28Cになっている。 The middle is in the heat radiating portion 28C of. 融雪水循環パイプ28には温水タンク21内の温水の温度が30℃にまで上昇したとき始動する融雪水循環ポンプ29が設けてある。 The snow melting water circulating pipe 28 is meltwater circulating pump 29 to start is provided when rose to 30 ° C. hot water temperature in the hot water tank 21.

Description

【考案の詳細な説明】 Description of the invention]

【0001】 [0001]

【産業上の利用分野】 BACKGROUND OF THE INVENTION

本考案は、個人住宅或は事業所の玄関や駐車場の路面を融雪するのに用いて好 適な排熱利用式ロードヒーティング装置に関する。 The present invention relates to a good optimal waste heat utilization type road heating device used to snowmelt the private residences or the entrance and parking lot of the road surface of the office.

【0002】 [0002]

【従来の技術】 BACKGROUND OF THE INVENTION

近年、生活水準の向上、自動車の保有台数の増加、排雪場所の確保の困難等の 理由から、個人住宅や事業所では玄関前や駐車場の路面にロードヒーティング工 事を行って融雪することが積極的に行われている。 In recent years, improvement of living standards, an increase in the ownership of the car, the snow melting from the reason of difficulty, such as securing of snow removal location, in private homes and offices it is load heating Engineering thing on the road surface of the entrance before and parking it has been actively conducted. このロードヒーティングのための熱供給手段としては電熱線を敷設する電気式 のもの、ガス又は灯油ボイラから放熱管に給湯する給湯式のものが知られている 。 Those of the electric as the heat supply means for the load heating to lay heating wire, there is known a hot water type which hot water to the radiator tubes from gas or kerosene boiler.

【0003】 [0003]

【考案が解決しようとする課題】 [Challenges devised to be Solved]

ところで、上述した従来技術にあっては電気によって電熱線を発熱させており 、またガス、灯油によって加熱した温水を直接放熱管に供給するため、維持費が 嵩むという欠点がある、そしてこの欠点が個人住宅でのロードヒーティング装置 の普及の障害になっている。 Incidentally, in the conventional art described above and by heating the heating wire by electrical and gas, to be supplied directly to the heat radiation tube hot water heated by kerosene, there is a disadvantage that maintenance cost increase, and this drawback It has become an obstacle to the spread of road heating equipment in private homes.

【0004】 また、維持費を節約するために降雪時にのみ電熱線に通電し或はボイラを始動 する形式のものが知られているが、始動スイッチの入れ忘れという問題があるし 、融雪までの立上りに時間を要するため、路面に積雪してしまい完全に融雪でき ないという問題がある。 [0004] Although those of energizing the heating wire only when snowfall to save maintenance costs or format to start the boiler is known, to a problem that forgot the starting switch, the rise to snow melting it takes a time to, there is a problem that can not be completely snow melting would be snow on the road surface.

【0005】 更に、前述した立上り時間を短縮するために、電熱線や放熱管の上方を覆うア スファルト層等の路面被覆層を薄くすることも行われているが、そのためには、 車両の乗り入れを考慮して強度性を高めなければならず、材料費や施工費が嵩む という問題がある。 Furthermore, in order to shorten the rise time as described above, it is also made possible to reduce the road surface coating layer of the asphalt layer for covering the upper side of the heating wire and the heat dissipation tube. For this purpose, rode vehicle the taking into consideration must increase the strength properties, there is a problem that the increase in material costs and construction costs.

【0006】 本考案は上述した従来技術の欠点、問題点に鑑み、また寒冷地においては24 時間稼働している暖房用ボイラの排熱を再利用せずに放出していることに着目し てなされたもので、維持費を実質上不要にでき、しかも路面を24時間加温状態 に保つことができる排熱利用式ロードヒーティング装置を提供することを目的と する。 [0006] The present invention drawbacks of the prior art described above, in view of the problems, also in view of the fact that released without reusing exhaust heat of the heating boiler is running 24 hours in cold climates been made, maintenance costs and can be substantially unnecessary, moreover an object to provide a waste heat utilization type road heating apparatus of the road surface can be kept 24 hours a heated state.

【0007】 [0007]

【課題を解決するための手段】 In order to solve the problems]

上述した課題を解決するために構成された本考案の手段は、暖房用ボイラの排 気筒に設けられ、熱媒によって温水を生成する熱交換器と、該熱交換器に温水供 給管及び温水戻し管を介して接続された温水タンクと、前記温水供給管又は温水 戻し管に設けられ、前記熱交換器内の熱媒が所定温度以上のときにのみ該温水タ ンクと熱交換器との間に温水を循環させる温水循環ポンプと、両端側が前記温水 タンクと接続され、途中部分が発熱部になった融雪水循環パイプと、該融雪水循 環パイプに設けられ、前記温水タンク内の温水が所定温度にまで上昇したとき該 温水タンク内の温水を融雪水として該融雪水循環パイプ内に循環させる融雪水循 環ポンプとからなる。 Means of the present invention which is configured to solve the problem described above is provided to the discharge cylinder of the heating boiler, a heat exchanger for producing hot water by a heat medium, hot water supply pipes and hot water to the heat exchanger a hot water tank connected via a return pipe, wherein provided in the hot water supply pipe or hot water return pipe, the heat medium in the heat exchanger with only hot water tank and the heat exchanger when more than a predetermined temperature a hot water circulation pump for circulating hot water between, is connected across the side and the hot water tank, and snow melting water circulation pipe portion becomes the heat generating portion midway, it provided the melting Yukisui circulation pipe, the hot water in the hot water tank when raised to a predetermined temperature comprising a meltwater circulation pump for circulating the melting Yukisui circulation pipe hot water in the hot water tank as a snow melting water.

【0008】 [0008]

【作用】 [Action]

熱交換器内で熱媒が所定温度にまで上昇すると、温水循環ポンプが始動して熱 交換器と温水タンクとの間に温水を循環させる。 When the heat medium in the heat exchanger rises to a predetermined temperature, circulating hot water between the heat exchanger and the hot water tank by starting the hot water circulation pump. 温水タンク内の温度が所定温度 にまで上昇すると、融雪水循環ポンプが始動して温水タンク内の温水を融雪水と して融雪水循環パイプに供給し、循環させる。 The temperature in the hot water tank rises to a predetermined temperature, the hot water in the hot water tank and start the snow melting water circulation pump in the snow melting water supplied to the snow melting water circulation pipe, circulating.

【0009】 [0009]

【実施例】 【Example】

以下、本考案の実施例を図面に基づき詳述する。 It described below in detail based on the embodiment of the present invention in the drawings. 図において、1は一般家庭で広く使用しているガス式又は灯油式の暖房用ボイ ラを示し、該暖房用ボイラ1は排気筒1Aと給湯管1Bを備えている。 In the figure, 1 generally at home widely and shows a heating boiler of Gas or kerosene type used, the heating boiler 1 is provided with an exhaust pipe 1A and hot water supply pipe 1B.

【0010】 2は前記排気筒1Aの途中に設けられた熱交換器を示す。 [0010] 2 showing a heat exchanger provided in the middle of the stack 1A. 該熱交換器2は図2 に示すように、軸方向両端が開口した中空筒状の缶体3と、中央には大径穴部4 Aを有し、該大径穴部4Aの外周側には多数の小径穴部4B、4B、・・・を有 する円板状に形成され、該缶体3の軸方向両端側に対向して配設された一対の鏡 板4、4と、前記大径穴部4A、4A及び小径穴部4B、4Bにそれぞれ連通す るように該鏡板4、4間に架設された大径伝熱筒5及び多数の小径伝熱筒6、6 、・・・と、該小径伝熱筒6、6、・・・を囲繞するように前記缶体3内に嵌装 され、流出口7A及び流入口7Bが缶体3周面に設けられた螺旋状の通水コイル 7と、前記鏡板4、4の外面側に一体的に接続され、先端側に排気筒ソケット部 8A、9Aが穿設された外筒8、9と、上流側の外筒8内に取付ブラケッ Heat exchanger 2, as shown in FIG. 2, a hollow cylindrical can body 3 axially opposite open ends, has a large-diameter hole portion 4 A at the center, the outer peripheral side of the large-diameter hole 4A numerous small-diameter hole portion 4B in, 4B, is formed in a disk shape to have a ..., a pair of mirror plates 4, 4 disposed opposite to the axial end side of the can body 3, the large-diameter hole portion 4A, 4A and the small-diameter hole portion 4B, each communicating through so that the end plate erection dies 径伝 heat pipe 5 and a number of between 4,4 and 4B diameter heat transfer tube 6,6, & ... and, the small-diameter heat transfer tube 6,6 is fitted to the can body 3 so as to surround ..., outlet 7A and the inlet port 7B is spirally provided on the three laps surface can body and passing water coil 7, is integrally connected to the outer surface of the end plate 4, 4, the exhaust tube socket portion 8A distally, the outer tube 8, 9 9A is drilled, the upstream side of the outer tube 8 mounting bracket within 10 、10を介して取着された截頭円錐状筒体からなる二重の排煙ガイド体11、1 2と、缶体3の周面に設けられた一対の循環パイプ接続口13、14、シスター ン連結口15、逃がし管接続口16及び温度センサ用ソケット17(図3参照) とから構成されており、缶体3内には水からなる熱媒Aが通水コイル7と接触し た状態で充填されている。 10, 10 and flue gas guide member 11, 1 2 double consisting frustoconical tubular body that is attached via a pair of circulating pipe connection ports provided on the peripheral surface of the can body 3 13 , cistern connection hole 15 is configured from a relief pipe connecting port 16 and the temperature sensor socket 17 (see FIG. 3), the can body 3 in contact with the heat medium a is passing water coil 7 consisting of water It is filled with the state. なお、図中18は缶体3の外周面に被着された保温材 である。 In the figure, 18 is a heat insulating material which is deposited on the outer circumferential surface of the can body 3.

【0011】 かくして、本実施例の熱交換器2は缶体3内の熱媒Aを排熱によって加熱し、 加熱された熱媒Aによって通水コイル7内の水を加熱する所謂二管式熱交換器と して構成されている。 [0011] Thus, the heat exchanger 2 of the present embodiment is heated by waste heat of the heating medium A in the can body 3, to heat the water in the water passing the coil 7 by the heated heat medium A so-called double-lumen type It is constructed as a heat exchanger.

【0012】 次に、19は前記通水コイル7の流出口7Aに一端側19Aが接続された温水 供給管を示し、20は通水コイル7の流入口7Bに一端側が接続された温水戻し 管を示す。 [0012] Next, 19 denotes a hot water supply pipe whose one end 19A is connected to the outlet 7A of the water flow coil 7, 20 returns hot water one end is connected to the inlet 7B of passing water coil 7 pipe It is shown. 21は熱交換器2によって加熱された温水を一旦貯えるための温水タ ンクを示し、該温水タンク21は上部側に前記温水供給管19の他端側19Bが 接続され、下部側に前記温水戻し管20の他端側20Bが接続されている。 21 shows a hot water tank for storing temporarily the hot water heated by the heat exchanger 2, hot water tank 21 is the other end 19B of the hot water supply pipe 19 is connected to the upper side, the hot water returns to the lower side the other end 20B of the tube 20 is connected. また 、温水タンク21には温度計22、液面計23がそれぞれ設けてある。 Also, the hot water tank 21 thermometer 22, the level gauge 23 is provided, respectively.

【0013】 24は温水戻し管20の途中に設けた温水循環ポンプを示し、該温水循環ポン プ24は温水タンク21と通水コイル7との間に温水を循環させるためのもので ある。 [0013] 24 represents a hot water circulation pump provided in the middle of the hot water return pipe 20, hot water circulating pump 24 is for circulating hot water between the hot water tank 21 and passed through the coil 7. 25は熱交換器2内の熱媒Aが例えば40℃まで降下したときにOFFに なり、50℃まで上昇したときにONになって温水循環ポンプ24を稼働させる ためのサーモスタットを示し、該サーモスタット25は熱交換器2のソケット1 7に設けた熱電対等からなる温度センサ26と電気的に接続され、また、制御盤 27を介して温水循環ポンプ24と電気的に接続されている。 25 is turned OFF when dropped to a heating medium A in the heat exchanger 2, for example 40 ° C., showed a thermostat for operating the hot water circulation pump 24 turned ON when raised to 50 ° C., the thermostat 25 is a temperature sensor 26 electrically connected consisting of thermocouple provided in the socket 1 7 of the heat exchanger 2, also it is hot water circulation pump 24 and electrically connected through the control panel 27. なお、制御盤27 は温水循環ポンプ24の始動・停止スイッチを備えている。 The control panel 27 includes a start-stop switch of the hot water circulation pump 24.

【0014】 次に、28は一端側28Aが温水タンク21の底部に接続され、他端側28B が上部に接続された融雪水循環パイプを示し、該融雪水循環パイプ28の途中は 多数の分岐管からなる放熱部28Cになっている。 [0014] Then, 28 one end 28A is connected to the bottom of the hot water tank 21, the other end 28B represents the connected meltwater circulating pipe at the top, the middle of the melting Yukisui circulation pipe 28 from a number of branch pipes has become becomes the heat radiating portion 28C.

【0015】 29は融雪水循環パイプ28の途中に設けられ、温水タンク21内の温水を融 雪水循環パイプ28内に循環させるための融雪水循環ポンプを示す。 [0015] 29 provided in the middle of the snow melting water circulation pipe 28, showing a snow melting water circulation pump for circulating the hot water in the hot water tank 21 to melt Yukisui the circulation pipe 28. 該融雪水循 環ポンプ29は温水タンク21に設けた温度スイッチ30と電気的に接続されて おり、温水タンク21内の温水が例えば30℃に上昇したときに電源がONにな って始動するようになっている。 Melting Yukisui circulation pump 29 is connected to a temperature switch 30 and electrically provided in the hot water tank 21, power supply is started I Do to ON when rose to hot water in the hot water tank 21 is for example 30 ° C. It has become way. 他方、該温度スイッチ30がOFFになる下限 温度は例えば25℃に設定してあり、融雪水循環パイプ28の放熱部28Cによ ってロードヒーティングの路面が例えば20℃の温度を保持できるようになって いる。 On the other hand, the lower limit temperature of the temperature switch 30 is turned OFF is Yes set to, for example, 25 ° C., as road heating the road surface I by the heat radiating portion 28C of the snow melting water circulation pipe 28 can hold the temperature of, for example, 20 ° C. going on.

【0016】 本実施例装置は上述の如く構成されるが、次にその作動について説明する。 [0016] The embodiment apparatus is as described above constructed will now be described for the operation. 暖房用ボイラ1から排出される約300〜600℃の燃焼排ガスが排気筒1A を介して熱交換器2内の熱媒Aを加熱し、熱媒Aが所定温度例えば50℃まで上 昇すると、サーモスタット25がONになって温水循環ポンプ24が始動する。 When the flue gas of about 300 to 600 ° C. discharged from the heating boiler 1 via the exhaust stack 1A heated heat medium A in the heat exchanger 2, the heating medium A rises in top to a predetermined temperature, for example 50 ° C., hot water circulation pump 24 thermostat 25 is turned oN to start. この結果、通水コイル7内で約50℃に加熱された高温水は温水供給管19を介 して温水タンク21に供給され、温水タンク21内の低温水は温水戻し管20を 介して通水コイル7に供給されることにより温水が循環し、温水タンク21内の 温水の温度が上昇する。 Passing a result, water passing the coil 7 within about 50 ° C. to the heated hot water is supplied to the hot water tank 21 and through the hot water supply pipe 19, cold water in the hot water tank 21 via the hot water return pipe 20 hot water circulated by being supplied to the water coil 7, the hot water temperature in the hot water tank 21 is increased.

【0017】 温水タンク21内の温水の温度が30℃に達すると、温度スイッチ30がON になって融雪水循環ポンプ29が始動し、30℃以上の温水を融雪水として融雪 水循環パイプ28内を循環させ、放熱部28Cによりロードヒーティングの被覆 層を融雪に必要な20℃に加熱する。 [0017] hot water temperature in the hot water tank 21 reaches 30 ° C., to start the snow melting water circulation pump 29 temperature switch 30 is turned ON, the in snow melting water circulation pipe 28 to 30 ° C. or more hot water as snow melting water circulation It is not heated to 20 ° C. the required coating layer road heating to melting snow by the radiation unit 28C.

【0018】 叙上の如く本実施例では、熱交換器2に熱媒Aの温度変化により作動するサー モスタット25を設け、熱媒Aが所定温度、実施例では40℃より降下すると温 水循環ポンプ24の作動を停止することにより、熱交換器2内の温度が下がり過 ぎて結露が発生するのを未然に防止する。 [0018] In this embodiment as in the ordination, a thermostat 25 which operates to heat exchanger 2 by the temperature change of the heat medium A is provided, the heat medium A predetermined temperature, drop to the temperature water circulating pump than 40 ° C. In Example by stopping the operation of 24, the temperature in the heat exchanger 2 is over-assistant engineer condensation to prevent the occurrence of falling.

【0019】 また、熱交換器2の通水コイル7と融雪水循環パイプ28との間に温水タンク 21を介在させたから、放熱により温度が低下した低温水が直接熱交換器2に戻 って熱交換器2内を冷却し、結露を生じさせる事態を防ぐことができる。 Further, since was interposed hot water tank 21 between the heat exchanger 2 of the water passing the coil 7 and snow melting water circulation pipe 28, hot cold water temperature is lowered by heat radiation I back to the heat exchanger 2 directly the in exchanger 2 and cooled, it is possible to prevent a situation to cause condensation.

【0020】 なお、本実施例では二管式熱交換器2を用いたが、温水タンク21に温水を一 旦貯えるから一管式の熱交換器を用いてもよいものである。 [0020] Note that using a two tube heat exchanger 2 in the present embodiment, but may also be used heat exchanger one tubular from store one Dan hot water to the hot water tank 21.

【0021】 [0021]

【考案の効果】 Effects of the invention]

本考案は以上詳述した如く構成したから、下記の諸効果を奏する。 Since the present invention has been composed as described above in detail, it exhibits various effects described below. 寒冷地では24時間稼働させている暖房用ボイラの排熱を利用するから、ロー ドヒーティングのための維持費は殆ど不要にできる。 Since in cold climates to use the waste heat of the heating boiler it is running 24 hours, maintenance costs for the low Dohitingu can almost unnecessary. 上記と同じ理由により、路面被覆層を常時加温状態にして立上り時間を零に できるから、降雪初期においても速やかに融雪することができる。 For the same reason as described above, because it to zero rise time and always a heated state of the road surface coating layer, it is possible to snow melting rapidly even in snowfall early. 24時間通して加温する路面被覆層は厚めに形成して蓄熱することが可能であ り、また好ましいから、本考案は車両を乗り入れる路面の融雪に用いて好適であ る。 Road surface coating layer to heat through 24 hours Ri der can be heat storage is formed thickly, and because the preferred, the present invention is Ru preferred Der with the snow melting on the road surface to drive over the vehicle. 熱交換器で加熱した温水を一旦温水タンクに貯え、温水タンク内の温水を融雪 水として融雪水循環パイプに供給するように構成したから、低温水による熱交換 器の結露現象を防止でき、機器の耐久性を向上できる。 Stored once hot water tank hot water heated by the heat exchanger, because configured to supply hot water in the hot water tank to the snow melting water circulating pipe as snowmelt, prevents dew condensation of the heat exchanger by cold water, the equipment it is possible to improve the durability.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本考案の実施例に係る排熱利用式ロードヒーティング装置の全体構成図である。 1 is an overall configuration diagram of a waste heat utilization type road heating apparatus according to an embodiment of the present invention.

【図2】実施例装置に用いる二管式熱交換器を一部を破断にして示す断面図である。 2 is a sectional view showing in a partially broken double tube heat exchanger used in Example device.

【図3】図2中のIII−III矢示方向断面図である。 3 is a III-III arrow direction sectional view in FIG.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 暖房用式ボイラ 1A 排気筒 2 熱交換器 19 温水供給管 20 温水戻し管 24 温水循環ポンプ 28 融雪水循環パイプ 29 融雪水循環ポンプ 1 Heating boiler 1A chimney second heat exchanger 19 hot water supply pipe 20 hot water return pipe 24 hot water circulation pump 28 meltwater circulating pipe 29 meltwater circulation pump

───────────────────────────────────────────────────── フロントページの続き (72)考案者 平田 健一 北海道札幌市白石区平和通3丁目南2−12 −503 ────────────────────────────────────────────────── ─── of the front page continued (72) inventor Kenichi Hirata Sapporo, Hokkaido Shiroishi-ku, Heiwadori 3-chome, Minami 2-12 -503

Claims (1)

    【実用新案登録請求の範囲】 [Range of utility model registration request]
  1. 【請求項1】 暖房用ボイラの排気筒に設けられ、熱媒によって温水を生成する熱交換器と、該熱交換器に温水供給管及び温水戻し管を介して接続された温水タンクと、前記温水供給管又は温水戻し管に設けられ、前記熱交換器内の熱媒が所定温度以上のときにのみ該温水タンクと熱交換器との間に温水を循環させる温水循環ポンプと、両端側が前記温水タンクと接続され、途中部分が発熱部になった融雪水循環パイプと、該融雪水循環パイプに設けられ、前記温水タンク内の温水が所定温度にまで上昇したとき該温水タンク内の温水を融雪水として該融雪水循環パイプ内に循環させる融雪水循環ポンプとから構成してなる排熱利用式ロードヒーティング装置。 1. A provided in the exhaust pipe of the heating boiler, a heat exchanger for producing hot water by the heat medium, a hot water tank connected via the hot water supply pipe and hot water return pipe to the heat exchanger, the provided to the hot water supply pipe or hot water return pipe, and hot water circulating pump for circulating hot water between the heat medium in the heat exchanger with only hot water tank and the heat exchanger when more than a predetermined temperature, both ends are the is connected to the hot water tank, and snow melting water circulation pipe portion becomes the heat generating portion midway, melting Yukisui provided in the circulation pipe, snowmelt hot water in the hot water tank when the hot water in the hot water tank rises to a predetermined temperature as melting Yukisui waste heat utilization type road heating device in which consist of a snow-melting water circulation pump for circulating within the circulation pipe.
JP3844292U 1992-05-11 1992-05-11 Waste heat utilization type road heating device Pending JPH0665772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3844292U JPH0665772U (en) 1992-05-11 1992-05-11 Waste heat utilization type road heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3844292U JPH0665772U (en) 1992-05-11 1992-05-11 Waste heat utilization type road heating device

Publications (1)

Publication Number Publication Date
JPH0665772U true JPH0665772U (en) 1994-09-16

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Application Number Title Priority Date Filing Date
JP3844292U Pending JPH0665772U (en) 1992-05-11 1992-05-11 Waste heat utilization type road heating device

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Country Link
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