JPS59150216A - Pressure buffer device of burner - Google Patents

Abstract

PURPOSE:To attain stable burning of fuel by a method in which an opening is provided in a part of an exhaust plate through which exhaust gas is directed from a heat exchanger to an exhaust fan, and a cover is provided above the opening. CONSTITUTION:In igniting a fuel, a movable cover 5 is opened by pressure of ignition, exhaust gas is passed through a duct 14 and directed to the upside of an exhaust damper 21, where pressure is abosrbed. Even in the case of burning, a pressure produced by the vibration of the exterior of a heat source by the pulsative movement of burning flame under influences of variation of input by change of gas amounts and balance of the exhaust fan 11 as well as of typhoon and wind gust is regulated by opening or closing the movable cover 5 to eliminate the pulsative movement. Ignition by the heat source can thus be smoothly made and stable burning of fuel can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a pressure buffer device for a combustor such as a dll ice water hot water heater.

Conventional structure and its problems In the conventional combustion exhaust section F of the hot water heater shown in FIG. First, especially in FF-type hot water heaters that require a sealed structure, there are problems in that the exterior case (not shown) shakes significantly and interior fittings such as shoji screens vibrate.

purpose of invention The present invention solves the drawbacks of the above-mentioned conventional example.

The purpose is to absorb the pressure at the time of ignition and pressure fluctuations during combustion to achieve stable combustion and eliminate the impact on the exterior case and interior.

Structure of the Invention In order to achieve the above object, the pressure buffer device of the present invention has an opening in a part of the exhaust plate through which the heat exchanger guides the exhaust gas to the exhaust fan, and a lid is provided on the upper surface of the opening. This lid opens and closes, and this structure absorbs the sudden pressure rise at the time of ignition and pressure fluctuations due to pulsation of the combustion flame.
This has the effect of always providing stable combustion and preventing vibrations from occurring in the exterior case and the interior of the room.

DESCRIPTION OF EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

In FIG. 2, the lid 1. Fixed plate 2. Retaining ring 3, -! J゛The movable lid 5 consisting of the bottle 4 is connected to the exhaust plate 6G/)f・j
Nitori (= J. With this configuration, the movable lid 5 is more powerful!/
The openings A7 provided at -1 and 6 can be opened and closed.

In FIG. 3, a motor 9° cooling fan 1 is inserted into an opening 3 part 8 provided in a connecting plate 6 to which a movable lid 5 is attached.
0. Attach the exhaust fan set 12 including the exhaust fan 11. At the tip of the exhaust fan base 12, there is a duct B1 in which the exhaust extension pipe connection tube 13 is installed and the movable lid 5 is housed inside.
4 is connected to the connection plate 6, and the other end is connected to the exhaust extension pipe connection tube 13. This constitutes an exhaust circuit (tact B14) separate from the flow of exhaust gas passing through the exhaust fan set 12.

In FIG. 4, there is a combustion nozzle 1 below the heat exchanger 16.
6 Place the heat shield plate 17 and the gas amount control unit 18 below it.
Moreover, above the heat exchanger 15, there is the connection plate 6υ and the fan set 12. Movable M5. duct B14 giii
This is an ideal configuration.

The operation of the above configuration will be explained below.

The high temperature gas combusted by the combustion burner 16 is transferred to a heat exchanger 16,
The exhaust pipe 1 passes through the connection plate 6 and is passed through the exhaust fan 11.
9 and is discharged outdoors or to the outside of the heat source device, thereby passing through the supply cylinder 20 into the heat source device and introducing fresh air from the outside.

During the process from combustion to exhaust, an exhaust damper 21 is provided at the outlet of the exhaust fan set 12 to adjust the suction force of the exhaust fan 11. The rapid pressure rise that occurs could not be absorbed, resulting in significant backfire, flame overflow from the combustion chamber, and ignition noise.However, by providing the movable lid 6 of this embodiment, it can be moved by the pressure at the time of ignition. The lid 5 is opened (1), and the pressure is absorbed by passing through the duct B14 and leading to the upper side of the exhaust damper 21.Also, during combustion.

Exhaust) 7-11 balance, input changes due to changes in gas volume, vibrations on the exterior of the heat source machine caused by pulsation of the combustion flame due to the effects of typhoons, gusts, etc., and especially closed indoor type F, F combustion heat sources Against shaking of indoor fittings such as shoji screens due to combustion pulsations generated by the machine.

The pressurizing force generated by the pulsations caused by the +1 movable lid 5 is adjusted by opening and closing the movable lid 5, and the pulsations are also eliminated.

As described above, according to this embodiment, the heat source device has the effect that it can carry out all the fires smoothly and simply achieve stable combustion, and therefore has sufficient performance as a heat source device.

Effects of the Invention As described above, according to the present invention, the following effects can be obtained.

(1) Banking and overflow of flame during ignition at the start of combustion.

No ignition noise and smooth ignition.

(2) Vibration of the exterior case of the heat source equipment due to pulsation of the combustion flame,
Moreover, the occurrence of unpleasant conditions caused by vibrations of indoor fittings is eliminated.

(3) Always stable ignition and combustion as a combustion device
It also increases its useful life.

[Brief explanation of the drawing]

Figure 1 is a cross-sectional view of one section of a conventional hot water heater and heater; Figure 2 is an exploded perspective view of the exhaust section of a hot water heater that is an embodiment of the present invention; and Figure 3 is an exploded perspective view of the exhaust section of the hot water heater that is an embodiment of the present invention. Fig. 4 (-, (B) is a front view and a side view showing the internal state of the hot water heater. 1...Lid, 2...Fixing plate. , 3...
... Retaining ring, 4 ... Pin, 6 ... Movable lid, 6 ... Exhaust plate, 13 ... Exhaust extension pipe connection tube, 14 ... ...Name of Duct B0 agent Patent attorney Toshio Nakao and one other person Figure 1 Figure 2 Figure 3 Figure 4 (A) (73)

Claims (1)

[Claims] A burner is installed below the heat exchanger of a heat source machine that uses fluid as a heat medium.
A connection plate is provided for connecting the heat exchanger and the exhaust fan, and a connection plate is provided on the upper surface of the opening provided in a part of the connection plate. A pressure buffer device for a combustor, comprising a movable differential with a fixed part, a duct connecting the exhaust extension pipe connection pipe and the exhaust plate, and having a recording hole part and a movable lid inside.