JPH0235108A - Snow melting method and snow melting machine - Google Patents

Abstract

PURPOSE:To enable the melting of snow to be efficiently carried out by providing an air-heating furnace and a hot air injector on the inner bottom of a snow- melting tank which has been mounted on a vehicle, and providing a meltwater sprinkler on the upper part, so that hot air can be blown from below to the snow layer inside the snow-melting tank and warm water can be injected from above thereto. CONSTITUTION:A snow-melting machine is basically constituted by mounting a snow-melting tank 1 on a vehicle, and providing an air-heating furnace 2 on the inner bottom of the snow-melting tank 1, and air-injection ports 3 for blowing hot air on the snow S inside the snow-melting tank, and further providing a sprinkler 11 in the upper inside of the snow-melting tank 1. And the air-heating furnace 2 is provided with a burner 15 outside the snow-melting tank, and further is provided with a meltwater tank 9 for storing meltwater W on the outside of the snow-melting tank, and with a feed water pump 10 for feeding meltwater w in the inside of the water tank 9 into the sprinkler 11 on the upper side of the snow-melting tank. Thus, snow can be melted efficiently and in a good thermal efficiency.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is applied to a snow melting machine for melting snow accumulated on roads, gardens, etc.

[Conventional technology]

Conventional snow melting methods include the boiling water method, which involves spraying boiling water onto the snow or placing the snow in boiling water to melt the snow, such as the Utility Model Publication Act No. 59-38501 and No. 61-23064.
0-29473 and Japanese Patent Application Laid-Open No. 55-81913, there is a hot plate method in which snow is melted by placing snow on a heated iron plate.

[Problem to be solved by the invention]

In the conventional snow melting method described above, the combustion gas (flame or hot air, etc.) in the combustion furnace that heats the hot water and hot plate does not exchange heat sufficiently with the hot water and hot plate, and leaves the snow melting machine in a hot state. If the combustion gas was not emitted, the combustion gas could not be used effectively, resulting in extremely poor thermal efficiency. As a result, unless the amount of combustion in the combustion furnace was increased considerably, the hot water and hot plates would gradually be cooled down by the snow, making it difficult for the snow to melt.

The purpose of the present invention is to eliminate such conventional problems! In order to solve problem a, it is necessary to utilize combustion gas sufficiently effectively, improve thermal efficiency, and improve snow melting ability (ability per unit combustion amount).

[Means to solve the problem]

The snow melting method of the first invention is to blow hot air from below the snow layer and hot water from above the outside of the snow layer to the snow layer placed in the snow melting tank (1).

The snow melting machine of the second invention includes a hot air stove (2) installed at the bottom of the snow melting tank (1), a large number of blowholes (3...) on the top surface of the hot air stove (2), and a snow melting tank (1). 1) At the top of the fountain (11
, 14).

A third invention is a snow melting tank (1) in the second invention.
A snow melting tank (7, 9) is provided at the bottom of the snow melting tank (7, 9).
A water supply pump (10) is installed in the interior of the water supply pump (9).
10) with a water fountain (11, 14) connected to it.

[Function] When the snow to be melted is put into the snow melting tank (1), this snow layer is transferred to the hot air stove (2) below the snow layer (at the bottom of the snow melting tank).
The snow is heated and melted by the hot air that blows out from the blowholes (3...). At this time, the hot air blows because the density of the snow layer is coarse.
It passes through the snow layer and is discharged to the upper part of the outside of the snow layer (the upper part of the outside of the snow melting tank).

To explain in more detail, the snow that is successively put into the snow melting tank (1) is gently heated as the crown snow layer comes into contact with the hot air passing through the snow layer, and a small amount of primary snow melting is performed.

In addition, the lower snow layer that settled from the upper layer is the blowhole (3...)
The hot air ejected from the snow is powerfully heated, and a large amount of snow melts secondary. The hot air passing through the snow layer undergoes sufficient heat exchange with the snow layer (is effectively used), and is discharged upward outside the snow layer as cold air. The rough density (space) of the snow layer truly acts as a chimney and heat exchanger for hot air.

Further, the upper layer of snow in the snow melting tank (1) is heated and melted by being bathed in warm water spouted from the water fountains (11, 14). That is, the first snow melting is promoted by the cooperative heating of hot water and hot air. At this time, the hot water closes the spaces in the snow layer to increase the density of the snow layer, prevents the hot air from quickly and easily being discharged upwards outside the snow layer, and prevents the hot air from forming a gap between the hot air and the snow layer. Promotes heat exchange action.

The water from the melted snow layer (snowmelt water) merges with the warm water and flows down the top surface of the hot air stove (2) in large quantities, and is discharged into the snow melting tank (7, 9) while cooling the top surface. Ru. ! !
The melted snow water in the snow tanks (7, 9) flows in while being heated by the hot air and the top surface of the hot air stove (2) on the way, so it is quite hot water. This hot water (
The snow melting water) is pumped up by the water supply pump (10) and is again spouted into the snow melting tank (1) from the water fountains (11, 14) for circulation.

〔Example〕

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

1 is a snow melting tank consisting of a rectangular container, and a hot air stove 2 is installed in the lower part of the inner cavity. 3... is a large number of blowholes drilled on one side of the hot air stove 2, and a waterproof embankment 4 is formed around the periphery thereof. Reference numeral 5 denotes an umbrella body that covers the blowholes 3, and a large number of blowhole windows 6 are formed on the circumferential side thereof.

It is.

This umbrella body 5 temporarily stops receiving the hot air blowing out from the blowholes 3 and then spreads it evenly from the blowholes 6 . Kara hot stove 2
This is to prevent them from getting inside.

It is something.

Reference numeral 7 denotes a snow melting water tank formed at the bottom of the snow melting tank 1, and a drain pipe 8 is provided on the wall of the tank. Reference numeral 9 denotes a snow melting water tank attached to the lower part outside the snow melting tank 1, and communicates with the snow melting water tank 7 through a drain pipe 8. Reference numeral 10 denotes a water pump installed in the snow melting tank 9, and if space permits, it may be installed in another snow melting tank 7.

Reference numeral 11 denotes a tubular water fountain installed on the upper edge of the snow melting tank 1, and has a large number of small water fountains 12.
It is connected to via a water pipe 13. Reference numeral 14 denotes a water fountain according to another example, which is installed above the snow melting tank 1 in a detachable manner.

In addition, the reference numeral 15 in the figure is a combustion machine that feeds hot air into the hot air stove 2, 16 is its kerosene tank, 17 is an operation block that drives and controls the combustion machine 16 and the water supply pump 10, 18 is a trolley, and 19 is its kerosene tank. On the handle, S indicates snow layer, H indicates hot air, and W indicates snowmelt water.

〔Effect of the invention〕

Since the present invention has the same structure as above, it has the following excellent effects.

■ When hot air blows out from the lower part of the snow layer (hot air stove 2), it passes through the snow layer, it sufficiently exchanges heat with the snow layer (6 pores) and is used effectively. Therefore, thermal efficiency is good and snow melting ability is increased.

- In particular, since the snow melting action is carried out in stages, from the first stage to the second stage, the snow can be melted easily, effectively and quickly.

■ Hot water gushing from above the outside of the snow layer (fountains 11 and 14) melts the upper snow layer in the snow melting tank (1), promoting the primary snow melting described in (1) above.

(2) Similarly, this hot water keeps the space within the snow layer cold, prevents hot air from being quickly and easily discharged upwards outside the snow layer, and promotes the heat exchange effect described in (2) above.

■ In the snow melting tank (1), in addition to melted snow water, warm water from outside is also added, and a large amount of water is poured into the hot air stove (2).
), the top surface of the hot air stove (2), which easily overheats (when the contact surface between the top surface and the snow layer becomes hollow and easily overheats when the snow melts), is sufficiently cooled to prevent thermal deformation. To prevent.

(2) Particularly, according to the third aspect, snow melting water that has been melted by hot air and turned into warm water can be reused for snow melting, and the thermal efficiency and performance related to snow melting can be further improved.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional side view showing an embodiment of the present invention. Explanation of drawing symbols 1...Snow melting tank, 2...Hot air stove, 3...Blow nozzle, 7.9...Snow melting water tank, 10...Water pump, 11.14...Water fountain, S...Snow layer, H...Hot air, W... Snowmelt water. Patent applicant Yamamoto Seisakusho Co., Ltd.

Claims (1)

[Claims] 1. A snow melting method characterized by blowing hot air from below inside the snow layer and hot water from above outside the snow layer, respectively, to the snow layer placed in the snow melting tank (1). 2. A hot air stove (2) is installed at the bottom of the snow melting tank (1), a large number of blowholes (3...) are installed on the top surface of the hot air stove (2), and a water fountain (3...) is installed at the top of the snow melting tank (1). 11, 14) is a snow melting machine. 3. Install a snow melting tank (7, 9) at the bottom of the snow melting tank (1),
Claim 2, characterized in that a water supply pump (10) is installed in the snow melting water tank (7, 9), and a water fountain (11, 14) is connected to the water supply pump (10). Snow melting machine.