JP2858070B2 - Snow melting equipment - Google Patents
Snow melting equipmentInfo
- Publication number
- JP2858070B2 JP2858070B2 JP17145493A JP17145493A JP2858070B2 JP 2858070 B2 JP2858070 B2 JP 2858070B2 JP 17145493 A JP17145493 A JP 17145493A JP 17145493 A JP17145493 A JP 17145493A JP 2858070 B2 JP2858070 B2 JP 2858070B2
- Authority
- JP
- Japan
- Prior art keywords
- snow melting
- heat exchanger
- tunnel
- heat
- exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008018 melting Effects 0.000 title claims description 37
- 238000002844 melting Methods 0.000 title claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000003507 refrigerant Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、トンネル内の排気熱を
ヒートポンプによって温水を取り出し融雪に供するよう
にした融雪設備に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a snow melting facility in which exhaust heat in a tunnel is taken out of hot water by a heat pump and used for melting snow.
【０００２】[0002]
【従来の技術，発明が解決しようとする課題】高速道路
や主要幹線道路のトンネル内には自動車の排気ガスが充
満し、これを換気して新鮮な空気に入替えするため常時
換気ファン，吸気ファンが稼動されている。2. Description of the Related Art Exhaust gas from an automobile is filled in a tunnel of a highway or a main arterial road, and the exhaust gas is ventilated and replaced with fresh air. Is running.
【０００３】トンネルの長さによるが、長いトンネルに
なると複数台の換気ファン，吸気ファンが設置されてい
て、それに加えて換気の循環を良くするために数台のジ
ェットファンもトンネル天井に設置されている。従来こ
の排気ガスの換気は、トンネル天井を通る排気ダクトを
公害とならない山上などに導いて大気放出している。[0003] Depending on the length of the tunnel, a long tunnel is provided with a plurality of ventilation fans and intake fans. In addition, several jet fans are also installed on the ceiling of the tunnel to improve ventilation circulation. ing. Conventionally, the exhaust gas is ventilated to the atmosphere by guiding an exhaust duct passing through a tunnel ceiling to a hill or the like which does not cause pollution.
【０００４】また、トンネルからの排気ガス温度は、自
動車等のエンジン排気温度に加えて換気ファンの仕事熱
が加わり普通のエンジン排気温度より僅かであるが高
い。The temperature of the exhaust gas from the tunnel is slightly higher than the normal engine exhaust temperature due to the work heat of the ventilation fan in addition to the engine exhaust temperature of an automobile or the like.
【０００５】一方、高速道路や主要幹線道路は、わが国
の土地事情によって山間部を縦断，横断しているものが
多く、年間を通じてこの地域の気温は低く、特に秋期，
冬期には道路が雪害や凍結を蒙むることが多い。[0005] On the other hand, many highways and major arterial roads traverse and cross mountainous areas due to land conditions in Japan, and the temperature in this area is low throughout the year.
Roads often suffer from snow damage and freezing in winter.
【０００６】このような雪害の融雪は、散水融雪による
ものが主力で道路に給水配管を埋設して給水配管より散
水を行うことによって融雪が行われている。しかし、こ
の設備では、散水によって泥水が多量に発生し、道路環
境が非常に悪化すると共に、自動車に比重のある泥水が
跳ね返り自動車の損耗率が高く、かつ、事故発生の要因
になるおそれがある。[0006] Such snow damage due to snow damage is mainly caused by water spraying and melting snow by embedding a water supply pipe on a road and spraying water from the water supply pipe. However, with this equipment, a large amount of muddy water is generated by water sprinkling, and the road environment is extremely deteriorated, and muddy water, which is specific to the vehicle, rebounds, causing a high wear rate of the vehicle and possibly causing an accident. .
【０００７】本発明は、以上の事情に鑑みてなされたも
のであって、トンネル内の排気熱を利用して効果的な融
雪を行うことができる融雪設備を提供しようとするもの
である。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a snow melting facility capable of performing effective snow melting using exhaust heat in a tunnel.
【０００８】[0008]
【課題を解決するための手段】本発明の融雪設備は、ト
ンネル排気ファンの排気口付近に熱交換器を設置し、同
熱交換器を熱源側熱交換器とするヒートポンプを設ける
と共に、同ヒートポンプの利用側熱交換器で製造した温
水を融雪必要個所に敷設された融雪管に循環せしめる温
水循環系路を構成してなることを特徴とする。According to the present invention, there is provided a snow melting facility in which a heat exchanger is provided near an exhaust port of a tunnel exhaust fan, a heat pump using the heat exchanger as a heat source side heat exchanger is provided, and the heat pump is provided. And a hot water circulation system that circulates the hot water produced by the use-side heat exchanger through a snow melting pipe laid at a location where snow melting is required.
【０００９】[0009]
【作用】トンネル排気ファンから放出される排気ガスは
常温以上の温度を有しており、本発明では、この熱量を
トンネル排気ファンの排出口付近に設置された熱交換器
において冷媒ガスに与える。The exhaust gas emitted from the tunnel exhaust fan has a temperature equal to or higher than room temperature. In the present invention, this heat is given to the refrigerant gas in the heat exchanger installed near the outlet of the tunnel exhaust fan.
【００１０】昇温した冷媒ガスは、ヒートポンプの利用
側熱交換器に入って水を昇温させて温水とする。この温
水は、融設必要個所に敷設された融雪管に循環されて融
雪が行われる。冷媒は前記両熱交換器を循環して流れ、
また、温水は融雪管とヒートポンプの利用側熱交換器を
循環して流れるために、トンネル排気ファンから放出さ
れる排気ガスの熱量は連続して取り出されて融雪管に供
給され、融雪が連続して行われる。The heated refrigerant gas enters the heat exchanger on the use side of the heat pump to raise the temperature of the water to produce hot water. This hot water is circulated through a snow melting pipe laid at a necessary place for melting to perform snow melting. The refrigerant circulates through both heat exchangers and flows,
Also, since the hot water circulates and flows through the snow melting pipe and the heat exchanger on the use side of the heat pump, the calorific value of the exhaust gas emitted from the tunnel exhaust fan is continuously extracted and supplied to the snow melting pipe, and the snow melting is continuously performed. Done.
【００１１】[0011]
【実施例】本発明の一実施例を、図１によって説明す
る。１０は自動車道路用のトンネルであり、その天井に
はトンネル１０の全長にわたって排気ガスダクト３が設
けられており、同ダクト３は排出流路１１を介して大気
に接続されている。１はトンネル１０外に設置されたト
ンネル排気ファンであり、その排気口１２付近に吸熱用
熱交換器２が設置され、同熱交換器２にはトンネル排気
ファン１の排気が導入され、かつ、同熱交換器２を流過
した排気は前記排気ガスダクト３に排出されるようにな
っている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIG. Reference numeral 10 denotes a tunnel for an automobile road. An exhaust gas duct 3 is provided on the ceiling of the tunnel over the entire length of the tunnel 10, and the duct 3 is connected to the atmosphere through a discharge passage 11. Reference numeral 1 denotes a tunnel exhaust fan installed outside the tunnel 10, a heat-absorbing heat exchanger 2 is installed near the exhaust port 12, and the exhaust of the tunnel exhaust fan 1 is introduced into the heat exchanger 2, and The exhaust gas flowing through the heat exchanger 2 is discharged to the exhaust gas duct 3.
【００１２】前記吸熱用熱交換器２は、モータ４ａで駆
動される圧縮機４の吸入側に接続され、圧縮機４の吐出
管路５は利用側の熱交換器６に接続され、同熱交換器６
は前記吸熱用熱交換器２に接続されており、圧縮機４よ
り吐出される冷媒は前記の熱交換器６及び２を循環する
ようになっている。前記圧縮機４及び前記熱交換器２，
６でヒートポンプが構成され、前記吸熱用熱交換器２は
このヒートポンプの熱源側熱交換器となっている。The heat-exchanging heat exchanger 2 is connected to a suction side of a compressor 4 driven by a motor 4a, and a discharge line 5 of the compressor 4 is connected to a heat exchanger 6 on a use side. Exchanger 6
Is connected to the heat exchanger for heat absorption 2, and the refrigerant discharged from the compressor 4 circulates through the heat exchangers 6 and 2. The compressor 4 and the heat exchanger 2,
6, a heat pump is constituted, and the heat exchanger for heat absorption 2 is a heat source side heat exchanger of the heat pump.
【００１３】９は、トンネル１０の出入口等の融雪必要
個所に敷設された融雪管であり、同融雪管９と前記利用
側の熱交換器６には、同熱交換器６と融雪管９とを接続
する温水管路７に設けられたポンプ８によって、水が循
環し、同熱交換器６において冷媒と水との間に熱交換が
行われるようになっている。Numeral 9 designates a snow melting pipe laid at a place where snow melting is required, such as an entrance and exit of a tunnel 10. The snow melting pipe 9 and the heat exchanger 6 on the use side include the heat exchanger 6 and the snow melting pipe 9. The water is circulated by a pump 8 provided in a hot water pipe 7 connecting the refrigerant and heat exchange between the refrigerant and the water in the heat exchanger 6.
【００１４】なお、図１中矢印は、それぞれトンネル排
気ガス、冷媒及び水の流れを示す。The arrows in FIG. 1 indicate the flows of the tunnel exhaust gas, the refrigerant, and the water, respectively.
【００１５】本実施例では、トンネル排気ファン１は、
トンネル１０内の排気ガスを矢印に方向するように吸気
し同排気ファン１の排気口１２近くに設置された吸熱用
熱交換器２に同排気ガスを放出する。吸熱用熱交換器２
に入った排気ガスは、トンネル１０の天井に設けられた
排気ガスダクト３に向けて放出され、更に排出流路１１
を経て排気ダクト３から大気に放出される。吸熱用熱交
換器２には、圧縮機４によって冷媒が循環していて、該
熱交換器２内で吸熱して昇温した冷媒ガスとなる。In this embodiment, the tunnel exhaust fan 1 is
The exhaust gas in the tunnel 10 is sucked in the direction of the arrow, and is discharged to the heat absorbing heat exchanger 2 installed near the exhaust port 12 of the exhaust fan 1. Endothermic heat exchanger 2
The exhaust gas that has entered is discharged toward the exhaust gas duct 3 provided on the ceiling of the tunnel 10, and further discharged.
Through the exhaust duct 3 to the atmosphere. Refrigerant is circulated through the heat exchanger 2 for heat absorption by the compressor 4, and becomes a refrigerant gas that has absorbed heat in the heat exchanger 2 and has been heated.
【００１６】圧縮機４の吐出管路５には水と冷媒ガスと
の間で熱交換を行う利用側の熱交換器６が設けられてい
るために、水は前記の昇温した冷媒ガスに暖められて温
水となる。The discharge pipe 5 of the compressor 4 is provided with a use-side heat exchanger 6 for exchanging heat between water and the refrigerant gas. It is heated and becomes warm water.
【００１７】この温水を温水管路７に設けられたポンプ
８によって融雪必要個所に敷設された融雪管９内に送水
して融雪を行う。The hot water is fed by a pump 8 provided in a hot water pipe 7 into a snow melting pipe 9 laid at a location where snow melting is required to melt snow.
【００１８】以上のように、本実施例では、融雪管９内
に送水された温水によって融雪が行われ、散水による融
雪の場合におけるように泥水が発生することがない。As described above, in the present embodiment, snow melting is performed by the warm water sent into the snow melting pipe 9, and muddy water is not generated as in the case of snow melting by water sprinkling.
【００１９】しかも、この温水は、連続的に取出される
トンネル１０内の排気ガスを熱源として連続的に融雪管
９に供給され、融雪を連続して行うことができる。Moreover, the hot water is continuously supplied to the snow melting pipe 9 using the exhaust gas in the tunnel 10 continuously taken out as a heat source, so that the snow melting can be continuously performed.
【００２０】[0020]
【発明の効果】本発明の融雪設備によれば、トンネルの
排気ガスを熱源としたヒートポンプが設けられ、このヒ
ートポンプによって得られた温水を融雪管に給水してい
るので、安価で確実な融雪を行うことができる。また、
融雪は温水が供給される融雪管によって行われる無散水
方式となるので、泥水の発生はなく道路環境の優れた道
路を実現することができる。従って、本発明は、安価な
設備とトンネルの排気ガスの熱の有効利用によって経済
性の高い融雪設備を提供することができる。According to the snow melting facility of the present invention, a heat pump using the exhaust gas of the tunnel as a heat source is provided, and the hot water obtained by the heat pump is supplied to the snow melting pipe, so that the snow melting can be performed at low cost and with certainty. It can be carried out. Also,
Since snow melting is a non-sprinkling method performed by a snow melting pipe supplied with warm water, muddy water is not generated, and a road with an excellent road environment can be realized. Therefore, the present invention can provide a highly economical snow melting facility by using inexpensive facilities and effective use of the heat of the exhaust gas of the tunnel.
【図１】本発明の一実施例に係る融雪設備の系統図であ
る。FIG. 1 is a system diagram of a snow melting facility according to one embodiment of the present invention.
１ トンネル排気ファン ２ 吸熱用熱交換器 ４ 圧縮機 ５ 吐出管路 ６ 利用側の熱交換器 ７ 温水管路 ９ 融雪管 １０ トンネル １１ 排出流路 １２ トンネル排気ファンの排気口 DESCRIPTION OF SYMBOLS 1 Tunnel exhaust fan 2 Endothermic heat exchanger 4 Compressor 5 Discharge pipeline 6 User side heat exchanger 7 Hot water pipeline 9 Snow melting pipe 10 Tunnel 11 Drainage channel 12 Exhaust port of tunnel exhaust fan
Claims (1)
換器を設置し、同熱交換器を熱源側熱交換器とするヒー
トポンプを設けると共に、同ヒートポンプの利用側熱交
換器で製造した温水を融雪必要個所に敷設された融雪管
に循環せしめる温水循環系路を構成してなることを特徴
とする融雪設備。1. A heat exchanger is installed in the vicinity of an exhaust port of a tunnel exhaust fan, a heat pump using the heat exchanger as a heat source side heat exchanger is provided, and hot water produced by a use side heat exchanger of the heat pump is provided. A snow melting facility comprising a hot water circulation system that circulates through a snow melting pipe laid at a location where snow melting is required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17145493A JP2858070B2 (en) | 1993-07-12 | 1993-07-12 | Snow melting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17145493A JP2858070B2 (en) | 1993-07-12 | 1993-07-12 | Snow melting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0726505A JPH0726505A (en) | 1995-01-27 |
| JP2858070B2 true JP2858070B2 (en) | 1999-02-17 |
Family
ID=15923409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17145493A Expired - Fee Related JP2858070B2 (en) | 1993-07-12 | 1993-07-12 | Snow melting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2858070B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007107288A (en) * | 2005-10-14 | 2007-04-26 | Mitsubishi Materials Natural Resources Development Corp | Tunnel heat exchange panel and tunnel heat utilization heat exchange system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100468535B1 (en) * | 2004-10-21 | 2005-01-31 | (주)태원종합기술단건축사사무소 | Freezing prevention apparatus of road for appartment house |
| KR100770530B1 (en) * | 2006-12-20 | 2007-10-25 | 김상훈 | Road heating |
| JP4974907B2 (en) * | 2007-01-16 | 2012-07-11 | 鉄建建設株式会社 | A road snow melting system using indoor residual heat. |
| JP5721471B2 (en) * | 2011-02-28 | 2015-05-20 | 三菱日立パワーシステムズ株式会社 | Multistage condenser and steam turbine plant equipped with the same |
| CN103938521B (en) * | 2014-05-14 | 2016-04-13 | 上海海事大学 | Speedway deicing system and snow-removing method thereof |
-
1993
- 1993-07-12 JP JP17145493A patent/JP2858070B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007107288A (en) * | 2005-10-14 | 2007-04-26 | Mitsubishi Materials Natural Resources Development Corp | Tunnel heat exchange panel and tunnel heat utilization heat exchange system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0726505A (en) | 1995-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19981006 |
|
| LAPS | Cancellation because of no payment of annual fees |