JPS62206110A - Snow melting boiler - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a snow melting boiler that melts snow by charging snow or the like into a liquid tank.

(Prior art and its problems) Conventionally, snow removal from road surfaces, etc. was done by blowing the snow to other places using a rotary snowplow vehicle, which was a simple means of moving the snow. For this reason, there is a concern that in areas with heavy snowfall, there will be no place to dispose of snow, making it impossible to remove snow.

For example, as a roof snow melting device, Japanese Patent Application Laid-Open No. 57-2975
As is known from Publication No. 2, a system is known in which warm air is introduced into the attic, the remaining heat is used to melt snow on the roof, and the melted snow water is quickly drained without freezing.

By the way, in such a snow melting device, since the snow melting water is discharged into a sewer or the like, heat cannot be recovered, that is, waste heat is generated. Further, a method of sprinkling ground water as a roof snow melting device is well known, but even in such a sprinkling method, there is a problem that the snow melting water is discharged into a sewer or the like, so the heat cannot be reused.

(Means for Solving the Problems and Their Effects) The present invention includes a liquid tank inside the combustion chamber, a passage for introducing snow, ice, water, etc. into the upper part of one side of the liquid tank, and A drainage passage is connected to the lower part of the other side, and an exhaust passage is connected to the upper part of the combustion chamber. Hot water from melted snow is discharged from the drainage passage, while steam is discharged to the outside through the exhaust passage. Ru.

(Example) Next, one embodiment of the present invention will be described based on the drawings.

A liquid tank 2 installed inside a combustion chamber 1 placed on a loading platform such as a truck T has a bottom part 3 that slopes upward on one side, a side part 4 that stands on this bottom part 3, and an upper part that is provided on this side part 4. Consists of 5.

An exhaust passage 6 communicates with the upper part of one side of the combustion chamber 1 and communicates with the upper part of one side of the liquid tank 2, and an input passage 7 for introducing crushed snow, ice, etc. is provided inside the exhaust passage 6.

Further, a drain port 8 is formed in the lower part of the other side of the liquid tank 2, and a drain channel 9 lower than the upper part 5 is provided upright in the drain port 8. That is, the drain path 9 forms a space 10 above the liquid PI 2.

Furthermore, a plurality of burners 11 are provided below the bottom 3 of the liquid tank 2, and a pipe 12 is rotatably installed in the liquid tank 2 in communication with the combustion chamber 1. This pipe 12 is equipped with a stirring blade 13.

Next, the operation of the above configuration will be explained.

First, the snow on the road is crushed by a rotary (not shown).

Pressure heat is generated in this snow removal and ice crystals. The snow crystals crushed in this way are crushed again using a mixer (not shown), and the snow can be melted to some extent by pressure heat.

Then, liquid such as water stored in the liquid tank 2 in advance is put into the burner 11.
Keep it warm. Then, crushed crystals such as snow are thrown into the liquid surface of the liquid tank 2 containing liquid such as water through the feeding passage 7.

During this charging, crystals such as snow are heated by steam heat generated in the liquid tank 2 and exhaust heat passing through the exhaust path 6.

A portion of the crystals introduced into the liquid such as water becomes gas rather than crystals, that is, sublimes, and is exhausted from the input channel 7. On the other hand, the crystals remaining in the liquid tank 2 melt while floating or sinking. At this time, in the liquid tank 2, the snow is stirred by the rotating stirring blade 13, and the liquid such as water is heated by the exhaust gas passing through the pipe 12. Furthermore, the liquid tank 2 is pressurized by the generation of steam, which lowers the melting point of the lightning conductor crystal, allowing the crystal to melt even at temperatures below 0°C. Furthermore, the hot water discharged from the drain passage 9 is reused for snow melting or heating.

As described above, the liquid tank 2 is installed inside the combustion chamber 1, and the lower part of the upper part of one side of the liquid tank 2 is provided for charging snow, etc., and the drain passage 9 is connected to the lower part of the other side of the liquid tank 2. It can be melted by liquid such as water. In other words, liquid sludge has a larger heat storage capacity than gas, so it generates a large amount of heat of fusion, and its physical properties are stable, so it can melt a large amount of snow reliably and quickly. Furthermore, since the liquid tank 2 is pressurized by steam, the melting temperature of the crystals can be lowered, allowing efficient melting.

Further, by arranging the input passage 7 inside the exhaust passage 6, the exhaust heat can be applied to the snow immediately after input, and the snow can be melted immediately after input, thereby improving thermal efficiency.

A pipe 1 that further rotates into the liquid tank 2 and communicates with the combustion chamber 1
2 and a stirring blade 13 on this pipe 12, it is possible to uniformly mix the liquid such as water in the liquid tank 2, and to send crystals such as snow to the back side one by one, efficiently. Can be melted. Moreover, when it is placed on a truck T or the like, it can also have a wave-proofing effect.

Note that the present invention is not limited to the above embodiments,
For example, the pipe 12 having a circular cross section may have a rectangular cross section,
In addition, the liquid tank 2 provided in the combustion chamber 1 may be provided in multiple stages, and other modifications are possible. Furthermore, it may be provided above ground or underground.

(Effects of the Invention) The present invention includes a liquid tank inside the combustion chamber, an input path for snow, ice, water, etc. in the upper part of one side of the liquid tank, and a drainage path in the lower part of the other side of the liquid tank. The exhaust path is connected to the upper part of the combustion chamber, and snow can be melted more efficiently than conventional techniques.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view. 1. Combustion chamber 2. Liquid tank 6. Exhaust path 7. Input path 9. Drainage path

Claims (1)

[Claims] A liquid tank is installed inside the combustion chamber, and snow and ice are placed in the upper part of one side of the liquid tank.
A boiler for snow melting, characterized in that an input passage for ice, water, etc. is provided, a drainage passage is connected to the lower part of the other side of the liquid tank, and an exhaust passage is connected to the upper part of the combustion chamber.