JPH09228334A - Snow melting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To put roof snow or accumulated snow to an input tank and continuously, efficiently and economically melt snow by providing a heating means and a stirring means on the input tank set within a water storage tank in a snow melting device. SOLUTION: On the inside of a water storage tank 1 having an overflow groove 9 and a drain 10, an input tank 2 having water holes 2', 2" on the upper circumferential wall and bottom part is set, and snow is put into the input tank 2. As heating means 3, a heating pipe 5 is arranged between the water storage tank 1 and the input tank 2, a heating fluid is circulated by a hot water boiler and a circulating pump to heat the stored water. As a stirring means 4, a submerged pump 7 is provided on the bottom part of the input tank 2 to suck the stored water from the bottom part and discharge it into the input tank 2, whereby the water is circulated. When the input tank 2 is buried with the upper surface being adjacent to the ground surface, the input of snow is facilitated, and the input tank is usable for other purposes when not used by lidding the upper surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a snow melting apparatus for putting roof snow or snow into a snow melting tank to melt the snow.

[0002]

2. Description of the Related Art Conventionally, various snow melting apparatuses have been proposed for roof and snow melting, but no snow melting apparatus capable of efficiently and economically melting snow has been proposed yet. .

According to the present invention, as a snow melting tank, an input tank having water passage holes is provided in the water storage tank, and roof snow or snow is put into the input tank, and it is provided in a gap between the water storage tank and the input tank. A snow melting device that efficiently and economically melts the roof snow and the snow accumulated in the snow melting tank by warming the stored water in the snow melting tank by the heating means and stirring the warmed stored water Is.

[0004]

The gist of the present invention will be described with reference to the accompanying drawings.

Inside the water storage tank 1, there is provided a charging tank 2 for charging roof snow and snow, and a water passage 2'is provided in this charging tank 2 to form a snow melting tank a. The heating means 3 for heating the stored water in the snow melting tank a is provided in the gap between the two, and the stirring means 4 for stirring the stored water in the snow melting tank a is provided in the charging tank 2. The present invention relates to a snow melting device. Further, as the heating means 3, a heating pipe 5 is arranged in a gap between the water storage tank 1 and the charging tank 2, and the heating fluid 6 is circulated in the heating pipe 5. The present invention relates to the snow melting device according to item 1.

Further, as the stirring means 4, a submersible pump 7 for sucking the stored water between the water storage tank 1 and the charging tank 2 into the bottom of the charging tank 2 and letting it circulate in the charging tank 2 in a stirring state. The present invention relates to the snow melting apparatus according to any one of claims 1 and 2.

The snow melting apparatus according to any one of claims 1 to 3, characterized in that the snow melting tank (a) is in a state where the upper surface thereof is open and the upper surfaces of the edges thereof are buried close to the ground surface. Is.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings, which are examples of embodiments, showing the functions and effects.

An embodiment according to claim 1 will be described.

When roof snow or snow is thrown into the throwing tank 2,
The introduced snow is melted by the stored water warmed by the heating means 3 and stirred by the stirring means 4 to melt the snow.

A second embodiment will be described.

The stored water in the gap that has entered through the water passage 2'of the input tank 2 is warmed by the heating fluid 6 circulating in the heating pipe 5 and passes through the water passage 2'in the input tank 2 To melt snow efficiently.

The heating fluid 6, which has been heated by giving heat energy to the stored water and having its temperature lowered, circulates in the heating pipe 5 and is heated by a heat source.

Since this operation is continuously repeated and the stored water melts the input snow, it becomes the economical heating means 3 with good thermal efficiency.

A third embodiment will be described.

The stored water warmed between the water storage tank 1 and the charging tank 2 by the submersible pump 7 is spouted from the bottom of the charging tank 2 into the charging tank 2 to agitate the roof snow and snow that have been charged. However, since the input snow is soaked in water evenly and hydrated into the input snow, the heat exchange between the snow and the stored water is smoothly performed, and the input snow is efficiently melted.

Further, the stored water, which is brought into contact with the input snow and gives heat energy to locally lower the temperature, is mixed with the stored water in the tank by stirring to efficiently melt the input snow.

An embodiment of claim 4 will be described.

Since the snow melting tank a is buried with the upper surface of the edge of the snow melting tank a close to the surface of the earth, snow can be easily thrown into the charging tank 2.

[0020]

Embodiments of the present invention will be described with reference to the drawings.

The attached drawings show an example of a preferred embodiment of the present invention, in which a water tank 1 for charging roof snow and snow is provided inside a water tank 1, and a water passage 2'is provided in the tank 2. The snow melting tank a is provided to form the snow melting tank a, and the heating means 3 for heating the stored water in the snow melting tank a is provided in the gap between the water storage tank 1 and the charging tank 2.
A stirring means 4 for stirring the stored water in the snow melting tank a in the charging tank 2.
Is provided.

Further, as the heating means 3, a heating pipe 5 is arranged in a gap between the water storage tank 1 and the charging tank 2, and a heating fluid 6 is circulated in the heating pipe 5.

Further, as the stirring means 4, a submersible pump 7 for sucking the stored water between the water storage tank 1 and the charging tank 2 from the bottom into the bottom of the charging tank 2 and letting it circulate in the charging tank 2 in a stirring state. To provide.

Further, the snow melting tank a is buried in a state in which the upper surface is opened and the upper surfaces of the edge portions thereof are close to the ground surface.

A more detailed description will be given.

The illustrated input tank 2 has a water storage tank 1 at the center of the bottom.
And the stored water that entered the gap in the input tank 2 from the bottom
A bottom water passage 2 "that allows water to flow in and a plurality of water passages 2'on the peripheral wall near the top of the input tank 2 to store the stored water in the input tank 2 from the top of the input tank 2 1 and the charging tank 2 are arranged so that they can be circulated in the gap, and the stirring means 4 described later
The stored water in the gap is spouted from the bottom of the charging tank 2 to the upper part of the charging tank 2 in a spouting state, and then the water tank 1 and the charging tank 2 are again passed through the water passage holes 2 ′ near the upper part of the charging tank 2. It is configured so as to flow into the gap between and to circulate.

The heating means 3 will be described in detail.

As the heating means 3, an electric heater may be provided directly in the gap between the water storage tank 1 and the charging tank 2 so as to heat the stored water directly. Then, in the gap between the water storage tank 1 and the charging tank 2, pipes having good thermal conductivity are spirally wound in parallel as shown in the figure to arrange the heating pipe 5, and one end of the heating pipe 5 is attached. Connected to the suction side of a circulation pump (not shown) arranged on the ground, connected the discharge side of the circulation pump to a hot water boiler (not shown), and connected the discharge side of the hot water boiler to the other end of the heating pipe 5. Then, the heating means 3 is configured.

When the circulation pump is operated, the warming fluid 6 (water) in the warming tube 5 is sucked and pressure-fed to the hot water boiler, and the warming fluid 6 is heated by the warm water boiler and pressure-fed to the warming tube 5. The warming fluid 6 in the warming pipe 5 warms the stored water that has entered the gap between the water storage tank 1 and the charging tank 2 through the water passage hole 2 ′ of the charging tank 2, and the warmed stored water is reheated. It returns to the inside of the input tank 2 and melts the input snow in the input tank 2.

Although the hot water boiler and the circulation pump for heating the heating fluid 6 are arranged on the ground in the figure, they may be arranged in the underground tank.

Although a hot water boiler is used as a heat source for heating the heating fluid 6 in the above description, other means, for example, electric energy or an air heat source type heat pump may be used.

Further, a temperature sensor for measuring the temperature of the stored water is provided in the charging tank 2, and the warming means 3 is operated by the command of the temperature sensor so as to enhance workability and economy.

Next, the stirring means 4 will be described.

In the illustrated embodiment, a submersible pump 7 is erected at the bottom of the charging tank 2, and the submersible pump 7 is operated to heat the warmed stored water in the gap between the water tank 1 and the charging tank 2. When it is sucked in from the bottom and discharged into the charging tank 2, the discharged stored water is discharged in the spring state and melts while stirring the added snow in the charging tank 2. It is heated by the heating means 3 via the water passage hole 2'of the charging tank 2, and this operation is continuously repeated to melt the charging snow.

Further, as the stirring means 4, an agitator may be provided in the charging tank 2 by a stirring blade so that the stored water becomes an upward jet water flow so that the stored water in the charging tank 2 is stirred in a spouting state.

Further, the stored water in the charging tank 2 is sucked in by a normal circulation pump, and a discharge pipe connected to the discharge side of the circulation pump is extended to the bottom of the charging tank 2 and its end is bent upward to discharge. You may provide so that water may spout in the state of spring.

Further, as shown in the figure, when the snow melting tank is buried by bringing the upper edge of the edge of the snow melting tank a close to the surface of the earth, it is easy to put roof snow and snow, and when it is not needed, the snow melting tank Create a space for hiding and placing things on it.
In the figure, reference numeral 9 is an overflow groove, and 10 is a drain.

[0038]

Since the present invention is configured as described above, in the invention of claim 1, the roof snow and snow put in the charging tank are melted by the synergistic action of both the heating means and the stirring means. , It is a practical and excellent snow melting device that has a remarkable snow melting effect as compared with the conventional snow melting device. Further, according to the invention of claim 2, since the stored water between the water storage tank and the input tank can be continuously heated by the circulation means by the circulation method, the snow melting apparatus has a good snow melting efficiency.

Further, since the stored water is heated to reheat the warmed fluid, the temperature of which has been lowered, by the circulation system, the heating means is excellent in heat efficiency and exhibits excellent economic efficiency.

Further, the stored water in the snow melting tank is relatively warm because it is previously stored with rain water, river water, well water, etc., and is an energy-saving type snow melting device capable of sufficiently melting snow in the initial stage without using a heating means. Becomes

Further, in the invention of claim 3, the submersible pump spouts the heated stored water from the bottom of the throwing tank in a spouting state to stir the throwing snow in the throwing tank and evenly throw the throwing snow. Immersion and bleeding into the input snow increases the contact area between the snow and the stored water, and the heat exchange between the two is performed smoothly, so the input snow is melted efficiently, and in combination with the heating means, it has excellent efficiency. It becomes a snow melting device that exhibits excellent practicality.

Further, in the invention of claim 4, it is easy to put in roof snow and snow, and when it is not needed, the snow melting tank can be concealed and the space above it can be used for other purposes. It becomes a snow melting device having.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view showing a configuration of the present invention.

FIG. 2 is a plan view showing a configuration of the present invention with a part omitted.

[Explanation of symbols]

 a Snow melting tank 1 Water storage tank 2 Input tank 2'Water passage hole 3 Heating means 4 Stirring means 5 Heating pipe 6 Heating fluid 7 Submersible pump

Claims (4)

[Claims] 1. A supply tank for charging roof snow and snow is provided inside the water storage tank, and a water passage hole is provided in this supply tank to form a snow melting tank, and a gap is provided between the water storage tank and the supply tank. A snow melting apparatus comprising: a heating means for heating the stored water in the snow melting tank, and a stirring means for stirring the stored water in the snow melting tank in the input tank. 2. A heating pipe as a heating means is provided in a gap between a water storage tank and a charging tank, and a heating fluid is circulated in the heating pipe. Snow melting equipment. 3. A submersible pump as a stirring means is provided at the bottom of the charging tank, for sucking the stored water between the water storage tank and the charging tank from the bottom, and spouting the water in the charging tank in a stirring state for circulation. The snow melting apparatus according to any one of claims 1 and 2. 4. The snow melting apparatus according to any one of claims 1 to 3, wherein the snow melting tank is opened and the upper edges of the edges are buried close to the ground surface.