JP2005321165A - Wall-through installation type combustor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wall-through installation type combustor capable of reducing the cost by simplifying a structure of an exhaust adaptor, reducing a depth dimension as the whole combustor by shortening a projecting dimension of the exhaust adaptor from an outer package back side, and reducing the restriction on installation. <P>SOLUTION: This wall-through installation type combustor is provided with an exhaust port 8 to the external, on a side face 19 at a back side opposite to an exhaust port 7 of an exhaust chamber 5, of the exhaust adaptor 8 mounted in a state of covering a step part 13a formed on a corner part of a part kept into contact with the exhaust port 7 of the exhaust chamber 5, of the outer package 13 covering a heat exchanger 4 and the exhaust chamber 5 mounted on an upper part of the heat exchanger 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a wall-through type combustor that is installed in a through-hole provided on an outer wall of a bathroom or kitchen with a water supply / exhaust port located outside the room and used as a hot water bath or a water heater.

  As shown in the schematic configuration diagram of FIG. 3, as a combustor that creates a flame 2 using gas as fuel and produces hot water using its thermal energy, it has a heat exchanger 4 on the combustion section 3, An exhaust gas 6 having an exhaust chamber 5 and exhausted from the exhaust chamber 5 is supplied from an exhaust outlet 7 provided on the back surface of an exterior 13 provided to cover the combustion section 3, the heat exchanger 4 and the exhaust chamber 5. As shown in FIG. 2 (a), the front cover 15 portion having piping connection portions is located on the wall surface side in the bathroom or the kitchen, as shown in FIG. 2A. 2. Description of the Related Art A wall-through type combustor 30 having a structure that is installed in a through-hole in an outer wall of a bathroom, kitchen, or the like so that the lower air inlet 13b is located outdoors is known (see Patent Document 1).

As shown in FIG. 2 (b), the exhaust outlet 8 portion of the through-wall type combustor 30 is formed on a step portion 13 a provided at a corner portion of the outer portion 13 in contact with the exhaust outlet 7 of the exhaust chamber 5. A retrofit exhaust adapter 22 is attached to the back side of the exterior 13 from the outside, and has an exhaust port 8 that protrudes from the exhaust adapter 22 to the back side.
The structure of the exhaust adapter 22 is such that the exhaust gas emitted from the exterior exhaust portion 11 on the back surface 10 of the exterior 13 is exhausted from the exhaust port 8 through the crank-type exhaust passage 12 inside the exhaust adapter 22. A structure that lowers the exhaust gas one step in the extending direction is adopted.
JP 2003-269802 A

The exhaust adapter 22 of the through-wall type combustor 30 described above has a shape having a crank-shaped exhaust passage 12 inside the exhaust adapter 22, and as shown in FIG. In addition to requiring a protruding portion W ₂ (about 30 mm) from the side, a beak-like horizontal protruding portion W ₁ (about 10 mm) is also required because the exhaust gas is ejected more than horizontal, As a result, the dimension of W ₃ (about 40 mm) protrudes from the back surface 10 side of the exterior 13 and the dimension in the depth direction of the exterior 13 as a whole becomes longer, and the exterior 13 of the through-wall type combustor 30 is increased. The length of the internal structural parts on the front cover 15 side is shortened in order to apply to the required exterior 13 length due to restrictions on installation due to the outdoor passage side from which the air supply / exhaust port projects and the size of the chamber room design Required or generated such that, even the internal structure had the problem that expensive components becomes complicated exhaust adapter 22.

  In the present invention, the exhaust gas can be ejected more than horizontally, and the projecting dimension of the exhaust adapter from the exterior rear side can be shortened, so that the size in the depth direction of the combustor can be reduced. A wall penetration type combustor with few restrictions is provided.

The present invention relates to the following.
(1) A side surface of the exhaust adapter that covers a step portion provided at a corner portion of the heat exchanger and the exterior of the exhaust chamber that covers the exhaust chamber provided above the exhaust chamber and that faces the exhaust outlet of the exhaust chamber. And a through-wall combustor with an exhaust port.
(2) The above (1), wherein the exhaust adapter is provided with an exhaust guide communicating with the exhaust outlet of the exhaust chamber.
The wall penetration type combustor as described.
(Function)

  An exhaust port to the outside of the combustor is provided on a side surface facing the exhaust outlet of the exhaust chamber of the exhaust adapter, and the exhaust gas is blown out horizontally. In addition, since the exhaust gas is exhausted horizontally from the exhaust outlet of the exhaust chamber through the exhaust outlet of the exhaust adapter, there is no need to bend the exhaust passage into a crank shape as in the conventional case, so the protrusion dimension from the exterior rear side of the exhaust adapter is reduced. The length in the depth direction of the entire combustor can be shortened.

  According to the through-wall type combustor of the present invention, the cost of the exhaust adapter can be reduced by simplifying the structure of the exhaust adapter, and the projecting dimension of the exhaust adapter from the exterior rear side is shortened, resulting in the depth direction dimension of the entire combustor. The installation restrictions can be reduced.

  The exhaust adapter in the through-wall type combustor of the present invention has a rectangular exhaust so that the exhaust gas from the exhaust outlet of the exhaust chamber is led to the exhaust port provided on the side surface of the exhaust adapter and exhausted outdoors. A guide is provided. The exhaust adapter is formed of a stainless steel plate or the like, and is attached to a step portion of the exterior corner using screws or the like.

  In a state where the exhaust adapter is attached to the step portion of the exterior corner, the projecting dimension from the exterior rear side to the side surface where the exhaust port of the exhaust adapter is provided is 3 to 15 mm, more preferably about 10 mm.

Hereinafter, an embodiment of the through wall type combustor according to the present invention will be described in detail with reference to FIG.
FIG. 1 (a) is a perspective view from the exterior rear side of a wall penetration type combustor according to the present invention, and FIG. 1 (b) is a longitudinal sectional view taken along the line AA in FIG. 1 (a).

  1 (a) and 1 (b), a through-wall installation type combustor 1 has a heat exchanger 4 on a combustion section in the same manner as the conventional through-wall installation type combustor shown in FIG. An exhaust chamber 5 having an exhaust outlet 7 is provided on the heat exchanger 4, and an exterior 13 is provided to cover them. In addition, a front cover 15 having a pipe connection portion is provided at an end portion of the exterior 13 located on the indoor side of a bathroom, a kitchen, etc., and a lower portion on the back side (outdoor side) of the exterior 13 An air supply port 13b is provided.

  In the figure, an exhaust adapter 9 that covers the step 13a and is attached from the outside to the step 13a provided at the corner on the back side of the exterior 13 is formed of a metal plate (stainless steel plate), and includes an upper surface 16 and both side surfaces 17. The lower surface 18 is closed, and a burring-shaped exhaust port 8 for discharging the exhaust gas 6 (see FIG. 3) is provided in a part of the side surface 19 on the back side, and the exhaust port 8 has an appropriate opening. .

Next, the inside of the exhaust adapter 9 will be described. As shown in FIG. 1B, the exterior exhaust part 11 of the exterior 13 and the exhaust port 8 provided on the side surface 19 on the back side of the exhaust adapter 9 are communicated. A square exhaust guide 20 is provided. The lower guide 20 a in the exhaust guide 20 is provided with a notch (gap) on the back side of the exhaust adapter 9 to prevent rebounding of rain that enters from the exhaust port 8.
Further, the exhaust guide 20 is shaped to reduce the exhaust resistance by moving vertically from the exterior exhaust portion 11 of the exterior 13 toward the exhaust port 8.
The exhaust port 8 provided on the back side 19 of the exhaust adapter 9 has a burring shape inwardly without protruding from the back side 19 as shown in FIG. Is about 2 to 5 mm due to problems in manufacturing and processing.

  Next, the position of the side surface 19 on the side surface side having the exhaust port 8 of the exhaust adapter 9 is located on the rear side of the back plate of the exterior 13, and the protruding dimension W from the back plate of the exterior 13 at this position is 10 mm. It became a position.

(A) is a perspective view of the wall penetration installation type combustor by this invention, (b) is AA principal part longitudinal cross-sectional view in (a). (A) is a perspective view of the wall penetration installation type combustor by a prior art example, (b) is a BB principal part longitudinal cross-sectional view in (a). It is schematic structure explanatory drawing of a wall penetration installation type combustor.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wall penetration type combustor 2 Flame 3 Combustion part 4 Heat exchanger 5 Exhaust chamber 6 Exhaust gas 7 Exhaust outlet 8 Exhaust outlet 9 Exhaust adapter 10 Exterior back surface 11 Exterior exhaust part 12 Exhaust passage 12a Horizontal protrusion 13 Exterior 13a stage Portion 13b Air supply port 14 Fan 15 Front cover 16 Upper surface 17 Both side surfaces 18 Lower surface 19 Rear side surface 20 Exhaust guide 20a Lower guide 22 Exhaust adapter 30 Wall-through installation type combustor

Claims (2)

Exhaust gas is exhausted on the side facing the exhaust outlet of the exhaust chamber of the exhaust adapter that covers the step portion provided at the corner of the heat exchanger and the exterior of the exhaust chamber that covers the exhaust chamber provided at the upper portion thereof. A through-wall type combustor with a mouth. The through-wall type combustor according to claim 1, wherein the exhaust adapter is provided with an exhaust guide communicating with an exhaust outlet of the exhaust chamber.

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