JPH05247908A - Snow removing equipment using underground water-bearing stratum with accumulated solar heat - Google Patents

Abstract

PURPOSE:To improve snow-removing effect by setting a water conducting pipe provided with a head exchanging section to communicate with a solar heat collecting device, in a well for storing underground water, to heat the underground water and to provide the water conducting pipe with a circulating pump, a transfer valve, and the like, and by feeding warmed water to a radiating pipe for composing a snow removing section. CONSTITUTION:Underground water in a well 2 is made to communicate with a solar heat collecting device 4, and is heated by a circulating pipe 3 provided with a heat exchanging section (a), and heat is accumulated. Besides, the circulating pipe 3 is provided with a circulating pump 9, transfer valves 7, 8, 12, 13, 19, 20, and the like, and a radiating pipe 10 for composing a snow removing section (b) is also jointed to. Besides, a plurality of wells 2 are arranged, and they are alternately used, and may be set as a horizontal channel. Then, in a summer time and the like, solar heat is accumulated in well water, and at the time of snow fall, warmed water is fed to the radiating pipe 10, and snow is removed. Besides, the radiating pipe 10 is to play the role of preliminary heating for the solar heat collecting device 4 by operating the transfer valve when the weather is fine. As a result, the snow can be efficiently removed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a snow eliminator that utilizes groundwater that stores solar heat.

[0002]

2. Description of the Related Art The applicant of the present invention discloses that Japanese Patent Application Laid-Open No. 63-138010 and Japanese Patent Application Laid-Open No. 1-2999.
We have filed patent applications for snow-melting wells such as No. 09, and have been studying how to effectively use groundwater heat in snow-melting parts such as snow-melting roads.

In the area where the flow of groundwater is slow, the subsequent studies have found that there is a drawback that the water temperature in the well decreases and the heat exchange amount also decreases, resulting in a decrease in the snow-dissipating effect.

To solve these problems, the Applicant also conducted a test in which a pump was installed side by side or a fan was installed in the well as a method of generating a flow in the well.

However, it has become a social problem to adopt the method of pumping up groundwater in an area where ground subsidence has occurred. Therefore, a new idea is required, and a pavement or a dedicated solar heat collecting device is required. The solar heat in summer is used to circulate the water in the well by circulating water, and the hot circulating water and the groundwater are heat-exchanged to store heat in the aquifer inside and around the well. The present invention has been completed in which circulating water is circulated between a heat exchange section and a radiation pipe embedded in a pavement body or the like for effective snow melting.

[0006]

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

A well 2 that can store groundwater 1 is drilled,
A circulation pipe 3 is arranged in the well 2 to form a heat exchange portion a, and an end portion on the introduction side of the circulation pipe 3 is connected to a hot water outlet pipe 5 of the solar heat collector 4 in a communication state, and this connection is made. The switching valves 7 and 8 are provided on both sides of the point 6, and the circulation pipe 3
A circulation pump 9 is provided at the end of the circulation pipe 3, and the end of the circulation pipe 3 is connected to the heat dissipation pipe 10 of the snow-discharging portion b such as a snow-melting road. Relating to a snow removal device using an underground aquifer that stores solar heat, characterized in that the cold water introduction pipe 5'of is connected in a communication state, and switching valves 12 and 13 are provided on both sides of this connection point 11. Is.

[0008]

In the summer, as shown by the solid arrow in FIG. 1, the solar heat collecting device 4 collects solar heat, for example, the switching valve 7 is opened, the switching valve 8 is closed, and the switching valves 12 and 19 are opened. The switching valves 13 and 20 are closed, and hot water is introduced into the circulation pipe 3 by the circulation pump 9, and heat is exchanged with the groundwater 1 at the heat exchanging part a in the well 2 so that the groundwater 1 in the well 2 and the surrounding groundwater 1 To store heat.

On the contrary, when it is winter, the switching valves 7, 12, and 19 are closed and the switching valves 8.13 and 20 are opened to open the heat radiating pipe of the snow-removing part b as shown by unfilled arrows in FIG.
Circulating water heated by heat exchange with the underground aquifer is turned into 10 to extinguish, for example, snow on the road.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a first embodiment, and FIG. 2 is a well 2 of FIG.
3 and 4 show an example in which a horizontal groove 2'is used instead of the well 2 shown in FIG. 1, the enclosure is surrounded by a heat insulating material 14 and a pavement layer 15, and a circulation pipe is provided therein. 3 shows an example in which 3 is piped to form the heat exchange part a.

A well 2 that can store groundwater 1 is drilled.

In this case, a strainer 16 is provided on the peripheral wall of the well 2 so that heat can be stored also in the surrounding groundwater 1, and in order to secure this stored tropical zone 1 ', a water shield wall 17 such as grout is formed near the well 2. Then, the case is shown in which the storage area 1'is protected by enclosing it and at the same time, the other buried objects are not affected by heat.

A circulation pipe 3 is arranged in the well 2 to form a heat exchange section a. Water or an antifreezing liquid may be circulated in the circulation pipe 3, and heat radiation plates 18 may be provided in multiple stages so as to improve heat exchange.

The end of the circulation pipe 3 on the introduction side is connected to the hot water outlet pipe 5 of the solar heat collector 4 in a communicating state, and switching valves 7 and 8 are provided on both sides of the connection point 6.

A three-way switching valve may be adopted instead of the switching valves 7 and 8.

A circulation pump 9 is provided on the circulation pipe 3.

The end of the circulation pipe 3 on the outlet side is connected to a heat radiating pipe 10 which is embedded in a snow-melting portion b such as a snow-melting road.

A cold water introducing pipe 5'of the solar heat collecting apparatus 4 is connected in a communicating state in the middle of the outlet side of the circulation pipe 3,
Switching valves 12 and 13 are provided on both sides of the connection point 11.

The snow-melting portion b in FIG. 1 shows a case where the heat radiation pipe 10 is embedded in the road pavement layer. In this case, when the switching valves 8 and 12 are closed and the switching valves 13 and 19 and 20 are opened. The snow-melting part b also plays the role of preheating the solar heat collecting device 4, and the heat storage action is improved. As shown in Figs. 3 and 4, the heat insulating material 14 surrounds the lateral groove 2'that can store the groundwater 1.
A heat exchange portion a is formed by surrounding it with a pavement layer 15 or a pavement layer 15. A circulation pipe 3 is arranged in this lateral groove 2 ′, and gravel or sand is filled in and backfilled. May be used for.

By providing a plurality of wells 2 and not using all of them at the same time but providing a control device for dividing them and alternately using them, more effective heat storage is possible.

In the figure, reference numeral 21 is a heat insulating lid, and 22 is a heat insulating material.

[0022]

Since the present invention is configured as described above, in the summer, the solar heat is collected by the solar heat collecting device to store heat inside and outside the well, and in the winter, this stored underground aquifer with high temperature and heat are collected. Since the circulating water that has been exchanged and warmed is sent to the snow-removing section to perform snow-removal on the road, for example, it is extremely economical and effective to remove snow. Therefore, it has excellent features such as no subsidence.

[Brief description of drawings]

FIG. 1 is an explanatory sectional view showing an example of an embodiment of the present invention.

FIG. 2 is an explanatory perspective view when a plurality of wells are provided.

FIG. 3 is a side view of a lateral groove.

FIG. 4 is a cross-sectional view of a lateral groove.

[Explanation of symbols]

 1 Groundwater 2 Well 3 Circulation pipe 4 Solar heat collector 5 Hot water outlet pipe 5'Cold water inlet pipe 6 Connection point 7 Switching valve 8 Switching valve 9 Circulation pump 10 Radiating pipe 11 Connection point 12 Switching valve 13 Switching valve a Heat exchange part b Snow-melting section

Front page continuation (72) Inventor Kazuyoshi Shibazawa 56 Tajima, Niigata, Niigata 1 56 (72) Inventor Mitsuaki Maeda 2910 Toriha, Shibata, Niigata

Claims (1)

[Claims] 1. A well in which ground water can be stored is bored, a circulation pipe is arranged in the well to form a heat exchange section, and an end portion on the introduction side of the circulation pipe is used as a hot water outlet pipe of a solar heat collecting device. Connect in a communication state, provide switching valves on both sides of this connection point, provide a circulation pump in the circulation pipe, connect the outlet side end of the circulation pipe to the heat dissipation pipe of a snow-removing part such as a snow-melting road, A cold water inlet pipe of the solar heat collector is connected in the middle of the outlet side of the circulation pipe, and switching valves are provided on both sides of this connection point. Snow removal equipment.