JP3998145B2

JP3998145B2 - Anhydrous snow melting equipment

Info

Publication number: JP3998145B2
Application number: JP2003197841A
Authority: JP
Inventors: 一嘉柴澤; 光昭前田; 昌幸樋口; 英明阿部; 学長谷川; 靖司上村; 浩之齋藤; 貴浩大川戸; 丈志藤野
Original assignee: 国土交通省北陸地方整備局長; 靖司上村; 株式会社興和
Priority date: 2003-07-16
Filing date: 2003-07-16
Publication date: 2007-10-24
Anticipated expiration: 2023-07-16
Also published as: JP2005036426A

Description

【０００１】
【発明の属する技術分野】
本発明は、融雪装置に関するものであり、特に空気を熱媒体とする無水融雪装置に関するものである。
【０００２】
【従来の技術及び発明が解決しようとする課題】
従来、融雪装置には、有水方式と無水方式とがあり、前記各方式には配管方式と無配管方式とがある。
【０００３】
有水方式且つ配管方式として、例えば地下水利用の消雪パイプによる散水方式があるが、地下水汲み上げによる地下水の枯渇や地盤沈下が懸念され、地下水の不足する地域において有効な方法ではない。
【０００４】
また、無水方式且つ配管方式としては、例えば温風をパイプ流通させる方式やヒートパイプを採用する方式があるが、施工段階において複雑な配管作業を要し、補修などの問題が生じた場合に大掛かりな工事が必要となり、維持管理が困難である等、施工性に問題がある。さらに、配管内に例えば不凍液を循環させる方式においては該不凍液の漏出による環境汚染も懸念される。
【０００５】
本発明は上記の方法に代わる融雪装置として、空気を熱媒体とする無水無配管方式により、地下水汲み上げによる地盤沈下の問題がなく、また、施工や維持管理が容易で、人や環境に無害で、効果的な無水融雪装置を提供するものである。
【０００６】
【課題を解決するための手段】
添付図面を参照して本発明の要旨を説明する。
【０００７】
路面１の雪を温風若しくは熱風により融雪する無水融雪装置であって、前記路面１は敷設体２を複数並設して構成され、この各敷設体２の裏面には凹条２ａが設けられ、この各敷設体２の凹条２ａ同士を連通することで前記温風若しくは熱風が導入される導入通路３及び前記温風若しくは熱風が導出される導出通路 17 が複数形成されており、この各導入通路３の端部開口近傍には温水循環パイプ16が設けられ、この温水循環パイプ16と前記各導入通路３との間夫々にはファン15が設けられ、この各ファン15により前記温水循環パイプ16の温水熱から集熱して得た前記温風若しくは熱風が前記各導入通路３に導入されるように構成され、また、この各導入通路３の端部と前記導出通路 17 の端部とは連通され、前記導入通路３，前記導出通路 17 を通過した前記温風若しくは熱風は前記各ファン 15 に導入されるように構成されていることを特徴とする無水融雪装置に係るものである。
【０００８】
また、請求項１記載の無水融雪装置において、前記温水循環パイプ16を循環する温水に熱を付与する熱源４としてボイラー若しくはヒートポンプを採用したことを特徴とする無水融雪装置に係るものである。
【０００９】
また、請求項１，２いずれか１項に記載の無水融雪装置において、前記敷設体２として、裏面に複数の平行な凹条２ａが並設された敷設体２を採用し、各敷設体２を敷設した場合の前記凹条２ａで構成される複数本の平行な前記導入通路３のうち、所定本数おきの一部の導入通路３には一端部から他端部に向かって温風若しくは熱風が導入され、残余の導入通路３には、他端部から一端部に向かって温風若しくは熱風が導入されるように構成されていることを特徴とする無水融雪装置に係るものである。
【００１０】
また、請求項１，２いずれか１項に記載の無水融雪装置において、前記敷設体２として、裏面に複数の縦凹条２ａ及び横凹条２ａが交叉状態で設けられた敷設体２を採用し、各敷設体２を敷設した場合の前記横凹条２ａで構成される複数本の平行な前記導入通路３のうち、所定本数おきの一部の導入通路３には一端部から他端部に向かって温風若しくは熱風が導入され、残余の導入通路３には、他端部から一端部に向かって温風若しくは熱風が導入されるように構成されていることを特徴とする無水融雪装置に係るものである。
【００１１】
【発明の作用及び効果】
本発明によれば、路面１を構成する敷設体２の凹条２ａに温風若しくは熱風を導入し、この温風若しくは熱風の熱を敷設体２に伝達することで路面１の融雪ができる。
【００１２】
本発明によれば、温風若しくは熱風を熱媒体として使用するから、地下水汲み上げによる地盤沈下の心配がなく、更に人や環境に無害となり、また、敷設体２の裏面の凹条２ａが前記熱媒体の通路３となるから、施工や維持管理が容易な無水融雪装置となる。
【００１３】
【発明の実施の形態】
本発明の無水融雪装置の実施例を以下に説明する。
図１〜４は、コンクリート、レンガ若しくはセラミックス等で形成した複数の敷設体２を敷設して車道や歩道等の路面１を形成した場合であって、この敷設体２の裏面に複数の平行な凹条２ａが設けられ、各敷設体２の凹条２ａが連通して構成される通路３に熱媒体として温風や熱風を通過させ、路面１上を融雪する。
【００１４】
また、敷設体２としては、上述のように裏面に複数の平行な凹条２ａが並設されたものを採用してもよいし、裏面に複数の縦凹条２ａ及び横凹条２ａが交叉状態で設けられたものを採用してもよいが、複数の縦凹条２ａ及び横凹条２ａを交叉状態で設けたものがより好ましい。なぜなら交叉状態のほうが、熱風若しくは温風と敷設体２の接触面積が広くなり、通路３内の空気の流れがより乱されて、熱をより効率よく敷設体２の表面（路面１）に伝達できるためである。尚、この場合、縦方向に隣接する各敷設体２の縦凹条２ａは連通し、よって、縦方向の通路が複数本、並設されることになる。
【００１５】
敷設体２を敷設して構成される路面１の両側には、送気管８が配設され、更にこの送気管８の内側に隣接して排気管９が並設されている。
【００１６】
尚、図中符号13は土砂、図中符号14は温風若しくは熱風が地中へ放散することを可及的に防止するための、コンクリートやアスファルトあるいは難通気性のシート等である。
【００１７】
前記送気管８は、熱源４の送気部５と連結され、また、前記排気管９は熱源４の吸気部６と連結されている。尚、熱源４としては適宜な温風作出機やボイラー等が採用される。
【００１８】
また、前記送気管８には送気孔10が設けられており、この送気孔10は前記敷設体２の凹条２ａの位置に設けられている。図面の場合の送気孔10は全ての凹条２ａの位置でなく、一本置きの凹条２ａの位置に設けられている。
【００１９】
また、前記排気管９には排気孔11が設けられており、この排気孔11についても前記送気口10と同様、一本置きの凹条２ａの位置に設けられている（図１の場合、奇数番目の通路３に送気孔10が、偶数番目の通路３に排気孔11が設けられていることになる）。
【００２０】
尚、図中符号７は吸気口、図中符号12はバルブである。
【００２１】
以上の構成から、次の作用効果を奏する。
【００２２】
熱源４で加熱した温風若しくは熱風を、前記熱源４の送気部５とそれに連結した送気管８を介して送気孔10から通路３に導入通過させ、敷設体２に前記温風若しくは熱風の熱を伝達して路面１で融雪し、伝熱済みの前記温風若しくは熱風を、排気孔11から排気管９に導入し、吸気部６を介して熱源４に戻し、熱源４により熱が供給された温風若しくは熱風を再び上述のように通路３に導入することで、効率良い融雪が行えることになる。
【００２３】
また、上記温風若しくは熱風の通路３への導入は、図面のように複数の通路３の両端部に設けた送気管８の送気孔10を介して両側から導入してもよいし、複数の通路３の一端部に設けた送気管８の送気孔10を介して片側からのみ導入してもよいが、後者のように、片側からのみの導入とすると、一端部から導入した温風若しくは熱風の熱が通路３を通過して他端部へと流れる際、前記温風若しくは熱風の熱が敷設体２に伝達されて徐々に冷却され、一端部側と他端部側の温度差が大きくなり、路面１に融雪ムラが生じるために望ましくない。従って、両端部から一本置きの通路３に温風若しくは熱風を導入する方がこの融雪ムラがなく、均一な融雪が可能となり望ましい。尚、図面のように両端部から通路３への温風若しくは熱風の導入は、一本置きではなく、二本置き、三本置き等、所定本数置きにしても良いことは勿論である。
【００２４】
また、上記敷設体２の敷設は、地面に敷設するという簡単な方法であるから、配管等の面倒な作業の必要がなく、補修などの問題が生じても対象となる敷設体２のみを交換すればよいため、施工や維持管理が非常に容易となる。
【００２５】
図５は、敷設体２の凹条２ａが連設されて構成される通路３の端部開口近傍に温水循環パイプ16が敷設され、その温水循環パイプ16と前記通路３との間には小型のファン15が配設されており（この小型のファン15は温水循環パイプ16と近接する状態で配設されることが望ましい。）、このファン15により前記温水循環パイプ16の温水熱を集熱して、通路３に導入し、該熱により路面１上を融雪する場合である。
【００２６】
この場合、図５中、２つの通路３ ( 導入通路３及び導出通路 17) が図５中右端において連通されて一組となり、前記ファン15は導入通路３の左端部開口近傍に配設される。従って、各組において、熱はファン15により導入通路３を通過して導出通路 17 へ導入される循環構造である。
【００２７】
熱源４としては、例えばボイラーやヒートポンプ等を採用する。
【００２８】
上記図５は、前記ファン15を配設した温水循環パイプ16を、道路の一端部に設けた場合であるが、道路の両端部に設けると効率的に熱を温風や熱風として送風でき、一層融雪効率が高まることとなる。
【００２９】
その他は図１〜４に図示した場合の構成と同様である。
【００３０】
以上から、空気を熱媒体として融雪に利用できるため、地下水汲み上げによる地盤沈下の問題がなく、敷設体２の隙間から空気が漏れても無害であり、不凍液の漏出等のような環境的な問題もなく、また、凹条２ａ付きの敷設体２を採用して路面１を構成するから、施工や維持管理が容易となり、更に通路３への温風若しくは熱風の導入を両端部から一本置きとするから、融雪をムラなく均一に行うことができる効果的な無水融雪装置となる。
【図面の簡単な説明】
【図１】別実施例の概略説明図である。
【図２】別実施例の敷設体２の説明図である。
【図３】別実施例の一部省略した図１におけるＡ−Ａ断面図である。
【図４】別実施例の一部省略した図１におけるＢ−Ｂ断面図である。
【図５】本実施例の概略説明図である。
【符号の説明】
１路面
２敷設体
２ａ凹条
３導入通路
４熱源
15 ファン
16 温水循環パイプ
17 導出通路 [0001]
BACKGROUND OF THE INVENTION
The present invention relates to a snow melting device, and more particularly to an anhydrous snow melting device using air as a heat medium.
[0002]
[Prior art and problems to be solved by the invention]
Conventionally, a snow melting device has a water-containing method and a water-free method, and each method has a piping method and a non-pipe method.
[0003]
There is a watering method and a piping method, for example, a watering method using a snowpipe pipe that uses groundwater. However, there is a concern about groundwater depletion and ground subsidence caused by pumping up groundwater, which is not an effective method in an area where groundwater is insufficient.
[0004]
In addition, as an anhydrous method and piping method, for example, there are a method of circulating hot air pipes and a method of using heat pipes, but it requires complicated piping work at the construction stage, and it is significant when problems such as repair occur Construction work is necessary, and maintenance is difficult. Furthermore, in the system in which, for example, antifreeze is circulated in the piping, there is a concern about environmental pollution due to leakage of the antifreeze.
[0005]
As an alternative to the above method, the present invention is a snow-melting system that uses air as a heat medium, and there is no problem of ground subsidence caused by pumping up groundwater, and it is easy to construct and maintain, and is harmless to people and the environment. An effective anhydrous snow melting apparatus is provided.
[0006]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0007]
An anhydrous snow melting device that melts snow on the road surface 1 with warm air or hot air. The road surface 1 is formed by arranging a plurality of laying bodies 2, and a concave strip 2 a is provided on the back surface of each laying body 2. A plurality of introduction passages 3 through which the hot air or hot air is introduced and a plurality of outlet passages 17 through which the hot air or hot air is led out are formed by communicating the recesses 2a of the laying bodies 2 with each other. hot water circulation pipe 16 is provided at an end portion near the opening of the introduction path 3, the said hot water circulation pipe 16 fan 15 respectively in between the respective inlet passage 3 is provided, wherein the hot water circulation pipe by the respective fan 15 16 the warm air or hot air obtained by heating condensing from the hot water heat is adapted to be introduced into each introduction passage 3, and the end portions of said discharge passage 17 of each introduction passage 3 communicates, the introduction passage 3, passes through the discharge passage 17 In addition, the present invention relates to an anhydrous snow melting device, wherein the warm air or hot air is configured to be introduced into each fan 15 .
[0008]
Further, in anhydrous snow melting apparatus of claim 1, in which according to the anhydrous snow melting apparatus characterized by employing a boiler or heat pump as a heat source 4 for applying heat to the hot water circulating in the hot water circulation pipe 16.
[0009]
Moreover, in the anhydrous snow melting apparatus according to any one of claims 1 and 2, as the laying body 2, a laying body 2 in which a plurality of parallel concave stripes 2a are arranged side by side is adopted, and each laying body 2 is provided. Among the plurality of parallel introduction passages 3 constituted by the concave stripes 2a when the slab is laid, in some of the introduction passages 3 every predetermined number, warm air or hot air flows from one end to the other end. And the remaining introduction passage 3 is configured so that warm air or hot air is introduced from the other end portion toward the one end portion.
[0010]
Moreover, in the anhydrous snow melting apparatus according to any one of claims 1 and 2 , a laying body 2 in which a plurality of vertical concave ridges 2a and horizontal concave ridges 2a are provided in a crossed state on the back surface is adopted as the laying body 2. Of the plurality of parallel introduction passages 3 constituted by the horizontal recesses 2a when each laying body 2 is laid, a part of the introduction passages 3 every predetermined number is provided from one end to the other end. Hot water or hot air is introduced toward the other side, and the remaining introduction passage 3 is configured such that warm air or hot air is introduced from the other end toward the one end. It is related to.
[0011]
[Action and effect of the invention]
According to the present invention, it is possible to melt snow on the road surface 1 by introducing warm air or hot air into the recess 2 a of the laying body 2 constituting the road surface 1 and transmitting the heat of the hot air or hot air to the laying body 2.
[0012]
According to the present invention, since warm air or hot air is used as a heat medium, there is no fear of ground subsidence caused by pumping up groundwater, and it is harmless to people and the environment. Since it becomes the passage 3 of the medium, it becomes an anhydrous snow melting device that is easy to construct and maintain.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Examples of the anhydrous snow melting device of the present invention will be described below.
1 to 4 show a case where a plurality of laying bodies 2 formed of concrete, brick, ceramics, or the like are laid to form a road surface 1 such as a roadway or a sidewalk, and a plurality of parallel structures are formed on the back surface of the laying body 2. The groove 2a is provided, and warm air or hot air is passed as a heat medium through a passage 3 formed by communicating the grooves 2a of each laying body 2 to melt snow on the road surface 1.
[0014]
Moreover, as the laying body 2, a structure in which a plurality of parallel concave stripes 2a are arranged on the back surface as described above may be adopted, or a plurality of vertical concave stripes 2a and horizontal concave stripes 2a are crossed on the back surface. Although what was provided in the state may be employ | adopted, what provided the several vertical groove 2a and the horizontal groove 2a in the crossing state is more preferable. This is because, in the crossed state, the contact area between the hot air or the warm air and the laying body 2 becomes wider, the air flow in the passage 3 is more disturbed, and heat is more efficiently transferred to the surface of the laying body 2 (road surface 1). This is because it can. In this case, the vertical recesses 2a of the laying bodies 2 adjacent in the vertical direction communicate with each other, and therefore, a plurality of vertical passages are provided side by side.
[0015]
An air supply pipe 8 is disposed on both sides of the road surface 1 constructed by laying the laying body 2, and an exhaust pipe 9 is arranged in parallel adjacent to the inside of the air supply pipe 8.
[0016]
In the figure, reference numeral 13 denotes earth and sand, and reference numeral 14 in the figure denotes concrete, asphalt, a breathable sheet, or the like for preventing hot air or hot air from being diffused into the ground as much as possible.
[0017]
The air supply pipe 8 is connected to the air supply part 5 of the heat source 4, and the exhaust pipe 9 is connected to the intake part 6 of the heat source 4. As the heat source 4, an appropriate hot air generator or a boiler is adopted.
[0018]
Further, the air supply pipe 8 is provided with an air supply hole 10, and this air supply hole 10 is provided at the position of the recess 2 a of the laying body 2. The air supply holes 10 in the case of the drawing are provided not at the positions of all the concave lines 2a but at the positions of every other concave line 2a.
[0019]
Further, the exhaust pipe 9 is provided with an exhaust hole 11, and the exhaust hole 11 is also provided at the position of every other recess 2a as in the case of the air supply port 10 (in the case of FIG. 1). The air supply holes 10 are provided in the odd-numbered passages 3 and the exhaust holes 11 are provided in the even-numbered passages 3).
[0020]
Reference numeral 7 in the figure denotes an intake port, and reference numeral 12 in the figure denotes a valve.
[0021]
With the above configuration, the following operational effects are achieved.
[0022]
Hot air or hot air heated by the heat source 4 is introduced and passed through the air supply hole 10 into the passage 3 through the air supply unit 5 of the heat source 4 and the air supply pipe 8 connected thereto, and the warm air or hot air is passed through the laying body 2. The heat is transmitted and the snow melts on the road surface 1, and the heat or hot air that has already been transferred is introduced into the exhaust pipe 9 through the exhaust hole 11, returned to the heat source 4 through the intake section 6, and heat is supplied by the heat source 4. By introducing the warm air or hot air again into the passage 3 as described above, efficient snow melting can be performed.
[0023]
The warm air or hot air may be introduced into the passage 3 from both sides through the air supply holes 10 of the air supply pipes 8 provided at both ends of the plurality of passages 3 as shown in the drawing. Although it may be introduced only from one side through the air feeding hole 10 of the air feeding pipe 8 provided at one end of the passage 3, if it is introduced from only one side as in the latter, hot air or hot air introduced from one end When the heat flows through the passage 3 to the other end, the warm air or the heat of the hot air is transmitted to the laying body 2 and gradually cooled, and the temperature difference between the one end side and the other end side is large. This is not desirable because uneven snow melting occurs on the road surface 1. Thus, it is without this snow melting unevenness you introduce warm air or hot air passage 3 of every one from both ends, preferably enables uniform melting snow. Of course, as shown in the drawing, the introduction of warm air or hot air from both ends to the passage 3 is not limited to one, but may be performed every predetermined number such as two or three.
[0024]
In addition, since the laying body 2 is a simple method of laying on the ground, there is no need for troublesome work such as piping, and only the target laying body 2 can be replaced even if problems such as repairs occur. Therefore, construction and maintenance are very easy.
[0025]
In FIG. 5, a hot water circulation pipe 16 is laid near the end opening of the passage 3 formed by connecting the concave strips 2 a of the laying body 2, and a small size is provided between the hot water circulation pipe 16 and the passage 3. (This small fan 15 is preferably arranged in the state of being close to the hot water circulation pipe 16.) The fan 15 collects the hot water heat of the hot water circulation pipe 16. In this case, the heat is introduced into the passage 3 and snow is melted on the road surface 1 by the heat.
[0026]
In this case, in FIG. 5, two passages 3 (introduction passage 3 and outlet passage 17) is a set in communication at the right end in FIG. 5, the fan 15 is disposed at the left end opening near the introduction through passage 3 The Thus, in each pair, the heat is circulating structure to be introduced into the discharge passage 17 through the introduction passage channel 3 Ri by the fan 15.
[0027]
As the heat source 4, for example, a boiler, a heat pump, or the like is employed.
[0028]
FIG. 5 is a case where the hot water circulation pipe 16 provided with the fan 15 is provided at one end portion of the road, but when it is provided at both end portions of the road, heat can be efficiently blown as hot air or hot air, Snow melting efficiency will be further increased.
[0029]
Other configurations are the same as those shown in FIGS.
[0030]
From the above, since air can be used for melting snow as a heat medium, there is no problem of ground subsidence due to pumping up groundwater, and it is harmless even if air leaks through the gaps in the laying body 2, and environmental problems such as leakage of antifreeze liquid In addition, since the road surface 1 is constructed by using the laying body 2 with the concave stripes 2a, construction and maintenance are facilitated, and introduction of warm air or hot air into the passage 3 is performed from both ends. Therefore, an effective anhydrous snow melting apparatus capable of performing snow melting uniformly without unevenness is obtained.
[Brief description of the drawings]
FIG. 1 is a schematic explanatory diagram of another embodiment.
FIG. 2 is an explanatory diagram of a laying body 2 according to another embodiment.
3 is a cross-sectional view taken along the line AA in FIG. 1 in which another embodiment is partially omitted.
4 is a cross-sectional view taken along the line BB in FIG. 1 in which another embodiment is partially omitted.
FIG. 5 is a schematic explanatory diagram of the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Road surface 2 Laying body 2a Concave 3 Introduction passage 4 Heat source
15 fans
16 Hot water circulation pipe
17 Outlet passage

Claims

Be anhydrous snow melting apparatus for melting snow by warm air or hot air snow road, the road surface is constructed by a plurality juxtaposed surface marking, concave stripes provided in the rear surface of the respective surface marking, the respective surface marking A plurality of introduction passages through which the hot air or hot air is introduced and lead-out passages through which the hot air or hot air is led out are formed by communicating the recesses in the vicinity of the end opening of each introduction passage. hot water circulation pipe is provided, the said hot water circulation pipe to s husband between the introduction passage fan is provided, wherein the warm air or hot air obtained by heating condensing from the hot water circulation pipe of the hot water heat by the respective fan The introduction passages are configured to be introduced into the introduction passages, and the end portions of the introduction passages and the end portions of the extraction passages are communicated with each other. Lead to each fan Anhydrous snow melting apparatus characterized by being configured to be.

In anhydrous snow melting apparatus of claim 1, wherein said anhydrous snow melting apparatus characterized by employing a boiler or heat pump as a heat source for applying heat to the hot water circulating in the hot water circulation pipe.

The anhydrous snow melting apparatus according to any one of claims 1 and 2 , wherein, as the laying body, a laying body in which a plurality of parallel concave stripes are juxtaposed on the back surface is adopted, and the laying bodies are laid. Of the plurality of parallel introduction passages formed of concave stripes, warm air or hot air is introduced from one end portion to the other end portion in a predetermined number of introduction passages, and the remaining introduction passages. Is configured such that warm air or hot air is introduced from the other end toward the one end.

The anhydrous snow melting apparatus according to any one of claims 1 and 2 , wherein the laying body employs a laying body in which a plurality of vertical concave strips and horizontal concave strips are provided in a crossed state on the back surface. Hot air or hot air is introduced from one end portion to the other end portion of the plurality of parallel introduction passages constituted by the horizontal grooves when laid, in some introduction passages every predetermined number. The anhydrous snow melting device is configured such that warm air or hot air is introduced into the remaining introduction passage from the other end toward the one end.