JPH0819642B2 - Melting processor - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a melting treatment apparatus used for snow melting / freezing prevention of roofs, roads, etc. in cold regions.

[Conventional technology]

A conventional device of this type is disclosed in, for example, Japanese Examined Patent Publication No. 50276/1985.
The one shown in the figure is considered. In FIG. 2, (1) has an evaporation part (1a) and a plurality of condensation parts (1b) extending from the evaporation part (1a) to the heat transfer target part, and operates, for example, water, ammonia, etc. It is a heat transfer body in which a fluid is sealed, and the working fluid is stored in the evaporation section (1a) of the heat transfer body (1). A plurality of condensing parts (1b) of the heat transfer body (1) are arranged at intervals along the longitudinal direction of the evaporating part (1a) of the heat transfer body (1) and are located above the evaporating part (1a). are doing. (2) is a hot water pipe which penetrates the evaporation part (1a) of the heat transfer body (1) in its longitudinal direction and is immersed in the working fluid of the evaporation part (1a) and through which hot water flows. .

Next, the operation will be described. When hot water is passed through the hot water pipe (2), the working fluid inside the evaporation section (1a) of the heat transfer body (1) is heated and vaporized, and the heat quantity of the hot water is taken away as evaporation latent heat. 1) It moves to the condensing part (1b) of the heat transfer body (1) through the inside. Condensing part (1) of heat transfer element (1)
The vapor of the working fluid that has moved to b) is cooled by the snow and snow and ice accumulated near the condensing part (1b) and condensed and liquefied, and the latent heat of condensation is released into the snow and snow and ice. The liquefied working fluid travels along the inner wall surface of the heat transfer body (1) and returns to the evaporation section (1a) of the heat transfer body (1). By repeating the above operation naturally, the heat quantity of the hot water is transferred from the evaporation section (1a) of the heat transfer body (1) to the condensation section (1b) of the heat transfer tube (1), and the heat transfer is performed. The melting process of snow and snow and ice accumulated near the condensation part (1b) of the body (1) is performed.

However, in this conventional example, the melting process of snow and snow ice is only the release of latent heat of condensation from the condensing part (1b) of the heat transfer body (1), and the melting process capacity of snow and snow ice is extremely low. Moreover, since the condensing parts (1b) of the heat transfer body (1) are arranged at intervals, the melting processing ability of snow and snow and ice is further lowered.

An improved version of this is shown in FIGS. 3 and 4. A flat plate-shaped heat transfer plate (3) against which snow and snow and ice are the enemy is arranged above the condensing part (1b) of the heat transfer body (1), and the condensing part (1b) of the heat transfer body (1) and the heat transfer plate. (3) and (3) are integrally joined by welding and fixed. In this case, snow and ice are accumulated on the heat transfer plate (3) on the flat plate. Therefore, the amount of heat of the hot water flowing in the hot water pipe (2) is transferred from the evaporation section (1a) of the heat transfer body (1) to the condensation section (1b) of the heat transfer body (1), and the heat transfer body is further transferred. Heat is transferred from the condensing part (1b) of (1) to the heat transfer plate (3), and the snow or snow and ice accumulated on the heat transfer plate (3) is melted through the heat transfer plate (3). As compared with the conventional example shown in FIG. 2, the melting processing capability of snow and snow and ice can be improved.

[Problems to be Solved by the Invention]

However, in the above-mentioned conventional apparatus, the condensing part (1b) of the heat transfer body (1) has a single tubular shape, and it is necessary to machine the sealing work of the tube end openings one by one. It took time to stop and the manufacturing cost was high.

An object of the present invention is to solve the above problems, and an object of the present invention is to provide a melting processing apparatus that can easily perform a sealing operation and reduce the manufacturing cost.

[Means for solving the problem]

In the melting treatment apparatus according to the present invention, the condensing portion of the heat transfer body, which is arranged in thermal contact with the heat transfer plate, has a U-shape.

[Work]

In the melting treatment apparatus according to the present invention, the condensing portion of the heat transfer body disposed in thermal contact with the heat transfer plate is formed in a U-shape so that the two are integrated and the sealing portion can be halved. Easy to stop.

〔Example〕

An embodiment of the present invention will be described below with reference to FIG. In FIG. 1, (2) is a hot water pipe, (3) is a heat transfer plate, and (4) is an evaporator (4a) in which a working fluid is enclosed.
And a U-shaped portion, and both of the U-shaped end opening portions are provided so as to communicate with each other inside the evaporation portion (4a).
Is a heat transfer body having a condensing part (4b) disposed in thermal contact with the hot water pipe (2) penetrating in the longitudinal direction of the evaporating part (4a). In addition, the condensing part (4b) of the heat transfer body (4) is composed of one U-shaped tube which communicates so as to connect two of the conventional single tubular condensing parts, and the condensing part (4b) of the evaporating part (4a) is connected. A plurality are arranged in the longitudinal direction. Further, although not shown, if a heat insulating material is arranged on the lower surface side of the heat transfer plate (3), heat leak from the heat transfer plate (3) can be prevented.

Next, the operation will be described. When hot water is passed through the hot water pipe (2), the working fluid inside the evaporation section (4a) of the heat transfer body (4) is heated and vaporized, and the heat quantity of the hot water is taken away as evaporation latent heat, and the heat transfer body (4) The condenser part (4b) moves from both openings to the U-shaped part of the condenser part (4b). The vapor of the working fluid that has moved to the U-shaped portion of the condensing part (4b) of the heat transfer body (4) is condensed and liquefied because the temperature of the heat transfer plate (3) is lower than that of hot water, and the latent heat of condensation is used as the heat transfer material. Condensing part (4)
Discharge from b) to heat transfer plate (3). Due to this latent heat of condensation, the heat transfer plate (3) is heated and its temperature rises. The liquefied working fluid travels along the inner wall surface of the condensing part (4b) of the heat transfer body (4) and returns from the respective tip openings to the evaporation part (4a) of the heat transfer body (4). By repeating the above operation naturally, the heat quantity of the hot water changes from the evaporation part (4a) of the heat transfer body (4) to the U-shaped condensing part (4) of the heat transfer body (4).
The heat is transferred to b), and then the condensing part (4) of the heat transfer body (4).
The heat is efficiently and effectively transferred from b) to the entire heat transfer plate (3), and the melting process of snow and snow and ice accumulated on the heat transfer plate (3) through the heat transfer plate (3) is efficiently and effected. Can be done on a regular basis. Moreover, the sealed portion can be halved by using the U-shaped condensing portion (4b) in which two conventional single tubular condensing portions are integrated. Therefore, the number of sealing operations is also halved. As a result, the sealing work time and the manufacturing cost can be shortened, and the economical effect is very high.

In the above embodiment, the condensing part (4b) of the heat transfer body (4)
However, the present invention is not limited to this.

〔The invention's effect〕

As described above, according to the present invention, since the condensing portion of the heat transfer body disposed in thermal contact with the heat transfer plate is formed in a U shape, the two are integrated and the sealing portion can be halved. It is possible to obtain a melting processing device that can reduce the working time of the sealing work, the manufacturing cost, and the like.

[Brief description of drawings]

FIG. 1 is a perspective view of a partial cross section showing a melting treatment apparatus according to an embodiment of the present invention, FIG. 2 is a perspective view showing a conventional melting treatment apparatus, and FIG. 3 is another conventional melting treatment apparatus. Partial cross-sectional perspective view, FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. In the figure, (2) is a hot water pipe, (3) is a heat transfer plate, and (4)
Is a heat transfer element, (4a) is an evaporation section, and (4b) is a condensation section.
In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Claims] 1. An evaporating portion in which a working fluid is enclosed and a U-shaped portion, and both of a U-shaped end opening portion of the U-shaped portion communicate with the inside of the evaporating portion and extend to a portion to be melted. Along with the heat transfer body consisting of a plurality of condensing parts arranged in the longitudinal direction of the evaporating part, and in the evaporating part of the heat transferring body penetrating in the longitudinal direction, hot water flows inside, and the working fluid A melting treatment apparatus comprising: a hot water pipe for heating a heat transfer plate; and a heat transfer plate, which is arranged in thermal contact with the condensing portion of the heat transfer body, for accumulating snow and snow and ice.