JPH10176302A - Snow melting device of rail of railroad, etc. - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve snow melting efficiency by supplying and circulating hot water from a hot water supplying means to and in a hot water mat furnished with a passage to circulate hot water along a rail. SOLUTION: A snow melting device is constituted of a hot water mat 4 furnished with a hot water passage 3 free to connect to and to disconnect from a rail 2 and a hot water supplying means 5 to circulate hot water on the mat 4. The mat 4 is made of a flexible member of rubber, etc., a passage 3 is formed of a large number of tucking and the like arranged in the cross direction of the rail 2, a water supply header 6 is provided on one end in the longitudinal direction of the mat 4, and a hot water discharge header 7 is provided on the other end. The headers 6, 7 are connected to a hot water making circulation device 14 through a piping 15, and snow stuck to the rail 2 is melted by circulating hot water in the passage 3. Consequently, it is possible to minimize wasteful thermal energy released in the air, to melt snow which a train brings to between the rail in a short period of time and to prevent attachment of snow by releasing heat to the rail in the circumference.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for melting snow on rails of railways and the like, which melts and removes snow attached to rails of railways and the like.

[0002]

2. Description of the Related Art In winter, in a snow-covered area, when a train brings a snow mass to a point of a railway, snow adheres to the rails, snow is caught between the rails of the movable part, and the point does not change. May be an obstacle. For this reason, in the past, a duct with a blowing hole was installed along the rail at the point part, and the hot air generated by a hot air generator such as a kerosene boiler system was blown directly to the snow through the duct, and the heat Used to dissolve the snow brought by the train and the snow caused by the snowfall.

[0003]

In the above snow melting apparatus,
A large hot air generator (35,000 kcal / h) is used to melt the snow mass brought by the train. The amount of heat generated by the hot air generator is moderate for the snow mass brought by the train, but too large for snow caused by natural snowfall.
There is a problem that the hot air is blown to a portion where no snow exists, resulting in an extremely high energy loss.

[0004] Further, since the hot air from the hot air generator passes through the outside air from the outlet of the duct and is blown against the snow, heat is taken away by the outside air and energy loss occurs, resulting in a decrease in fuel efficiency. Was.

The present invention has been devised to solve the above-mentioned problems, and an object of the present invention is to provide a low fuel consumption type snow melting system capable of efficiently melting snow by reducing energy loss. I do.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a hot water flow which is detachably laid along a rail of a railway or the like for a predetermined length and circulates hot water along the rail. A hot water mat provided with a path, and hot water supply means for supplying hot water to the hot water mat, circulating and transferring the heated water, heating the rail, and melting snow adhering to the rail.

The hot water mat is formed by a flexible member such as rubber, and a hot water supply header connected to a supply side of the hot water supply means is attached to one end and a return of the hot water supply means is provided at the other end. It is preferable that a hot water discharge header connected to the side is attached, and a plurality of rows of hot water flow paths are formed along the longitudinal direction of the rail to connect the hot water supply header and the hot water discharge header.

[0008] According to this, since the hot water is repeatedly circulated in the hot water mat, most of the heat energy can be used for melting the snow, so that the energy loss can be reduced and the snow melting can be performed efficiently.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, a snow melting device 1 for rails of a railway or the like according to the present invention is mainly laid detachably along a rail 2 of a railway or the like for a predetermined length and is provided along the rails 2. A hot water mat 4 having a hot water flow path 3 for circulating and transferring hot water, and hot water is supplied to the hot water mat 4 and circulated and transferred to heat the rail 2 to melt snow attached to the rail 2. And hot water supply means 5 for supplying the hot water.

As shown in FIGS. 2 and 3, the hot water mat 4 is formed into a sheet shape by a flexible member such as rubber, and extends between the rails 2 in a predetermined length in the longitudinal direction of the rails 2. It is formed in a rectangular shape so as to be laid out. Further, the sheet-like hot water mat 4 is integrally provided with a hot water channel 3 for continuously penetrating from one end in the longitudinal direction to the other end thereof and for circulating and transferring hot water along the longitudinal direction of the rail 2. Is formed. As shown in FIG. 3, the lower portion of the hot water mat 4 has a predetermined thickness and is configured to enhance the heat insulating effect and strength on the ground or the like on which the hot water mat 4 is laid.

As shown in FIGS. 2 and 3, the hot water flow path 3 is formed in a thin tube (for example, 5 mm in diameter) in a row in the width direction of the rail 2 so as to cover the entire surface of the hot water mat 4. A hot water supply header 6 for supplying hot water to the hot water flow path 3 is formed at one end in the longitudinal direction of the hot water mat 4 and formed of a pipe extending in the width direction of the rail 2. A hot water discharge header 7 for discharging the water is formed. An inlet 8 communicating with each hot water flow path 3 is formed in the hot water supply header 6 on the upstream side of the hot water, and an outlet 9 communicating with each hot water flow path 3 is formed in the hot water discharge header 7 on the downstream side of the hot water. I have. The hot water supply and discharge headers 6 and 7 are provided with header retainers 11 surrounding the hot water supply and discharge headers 6 and 7, respectively, and are fixed to the sleepers 10a and 10b at both ends by tightening bolts 12, respectively.

The hot water supply means 5 includes a hot water production and circulation device 14.
In order to circulate the hot water produced by the hot water production circulating device 14 to the hot water mat 4, a pipe 15 composed of a rubber hose or the like connected to the hot water supply header 6, the hot water discharge header 7 and the hot water production circulating device 14, respectively. It is composed of

As shown in FIG. 5, a hot water production circulating apparatus 14 stores a kerosene boiler (3,000-30,000 kcal / h) 17 for producing hot water in a casing 16 and a hot water produced by the boiler 17. A hot water tank 18 and a hot water circulation pump 19 for circulating hot water to the hot water mat 4 are provided. A water temperature controller 20 is connected to the boiler 17, and the hot water is heated to the temperature set by the water temperature controller 20 and stored in a hot water tank 18.
The hot water is supplied to the pipe 15 by the hot water circulation pump 19.
Through the inlet 8 of the hot water supply header 6, circulates through each hot water flow path 3 in the hot water mat 4, passes through the outlet 9 of the hot water discharge header 7 and the pipe 15,
It is designed to return to the side.

The hot water production circulating device 14 is erected in the vicinity of the hot water mat 4 at a position where it does not hinder the traffic of the train, and minimizes the loss of heat energy during hot water circulation by minimizing the piping 15. It is suppressed to.

A remote control panel (not shown) installed at a position where the rail 2 at the point can be monitored in a place where there is no obstacle to the traffic of workers is connected to the hot water production circulation device 14, A switch for the water type boiler 17, a switch for the water temperature control lever, a switch for the hot water circulation pump 19, and the like are provided.
The operation of operating the hot water production circulation device 14 can be remotely controlled.

A switch panel 21 is also formed on the main body of the hot water production circulating apparatus 14, so that the switch panel 21 can be directly operated without using a remote control panel.

In this embodiment, the hot water mat 4
Is formed to have a width of 1 m and a length of 10 m. In addition to both end portions, a fixing member 22 for sandwiching the hot water mat 4 from both sides in the width direction at an intermediate portion is attached to the sleeper 10c and fixed.

The rubber hose forming the hot water mat 4 and the pipe 15 is made of heat-resistant rubber or the like that can withstand the temperature of hot water.

Next, the operation will be described together with the operation procedure of the snow melting system according to the present embodiment.

In the winter season, when snowfall starts and snow is expected, the switch of the hot water production circulation device 14 on either the remote control panel or the switch panel 21 is turned on,
Hot water of a predetermined temperature is produced by the kerosene boiler 17, hot water is circulated in the hot water mat 4 via the pipe 15 by the hot water circulation pump 19, and returns to the hot water production and circulation device 14 again.

As described above, since the snow is melted by the radiant heat generated from the hot water mat 4 by circulating the hot water, the thermal energy is directly transmitted to the snow dropped on the hot water mat 4 and wasted in the air. The heat energy released to the engine is minimized. Further, since the hot water flow path 3 of the hot water mat 4 is formed in a sheet shape so as to cover the entire surface, the snow brought by the train between the rails 2 is melted in the entire portion in contact with the hot water mat 4, In addition to being able to melt snow efficiently in a short time, the surrounding rails 2
The heat energy is radiated to prevent the snow from adhering to the rail 2.

Further, since a large number of the hot water flow paths 3 are formed in a thin tube shape in the width direction, the flow of the hot water is less likely to be disturbed, and the lubricating hot water is circulated. Is conducted, and the warm water mat 4 is heated in a planar shape. Furthermore, even if the water in the flow path is frozen, the frozen ice is thin because the hot water flow path 3 is narrow, and can be thawed in a short time by crushing from the hot water mat 4.

The temperature of the hot water can be set in accordance with the snowfall and the condition of snow brought in by the train. Therefore, the amount of combustion in the boiler 17 is adjusted by the water temperature controller 20 of the hot water production circulator 14. The fuel efficiency can be improved.

Further, since the hot water is not directly discharged to the vicinity of the rail 2, the hot water is cooled and the vicinity of the rail 2 does not freeze.

With the provision of the remote control panel, the hot water production circulating device 14 can be immediately started and stopped according to the snowfall or the state of snow brought in by the train, so that the fuel efficiency can be further improved. it can.

More specifically, an effect that is five times or more in fuel efficiency compared with a conventional hot air generator has been confirmed, and a high economic effect is expected.

Since the hot water mat 4 is detachable, it can be removed and stored when not in use, such as in summer.

In the above-described embodiment, the case where the vehicle is installed between the rails 2 at the point portion is shown. However, the present invention can also be applied to the case where snow is melted around a traffic light, on a sidewalk or in a station yard. The effect can be obtained. Further, if the hot water mat 4 is formed not in a straight line but in a curved line, the present invention can be applied to a curved rail.

Further, even if the hot water mat 4 is fixed, it can be applied to various places even outside the rails 2 and other places other than railway facilities.

[0031]

In summary, according to the present invention, the hot water is circulated through the flow path of the hot water mat, and the radiant heat is used to melt the snow in contact with the hot water mat, thereby minimizing the energy loss. In addition, the present invention has an excellent effect that snow melting can be performed efficiently and energy saving of the snow melting system can be achieved.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment to which a snow melting device for a rail such as a railway according to the present invention is applied.

FIG. 2 is a partially broken plan view showing a hot water mat.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a view in the direction of arrow B in FIG. 2;

FIG. 5 is a side sectional view showing a hot water production circulation device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Snow melting device 2 Rail 3 Hot water flow path 4 Hot water mat 5 Hot water supply means 14 Hot water production circulation device (hot water supply means) 15 Pipe (hot water supply means)

Claims (2)

[Claims] 1. A hot water mat which is detachably laid along a rail such as a railway for a predetermined length and has a hot water flow path for circulating hot water along the rail, and supplying hot water to the hot water mat. A hot water supply means for circulating and transporting the heated rails to heat the rails and melt snow adhering to the rails. 2. The hot water mat is formed by a flexible member such as rubber, and a hot water supply header connected to a supply side of the hot water supply means is attached to one end and the hot water supply means is attached to the other end. A hot water discharge header connected to a return side of the hot water supply header; and a plurality of hot water flow paths arranged in a longitudinal direction of the rail to connect the hot water supply header and the hot water discharge header. A snow melting device for rails, etc. as described.