JP2805976B2 - Oil burning equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gasification type petroleum combustion device, and more particularly to switching of its capacity.

2. Description of the Related Art As shown in FIG.
Has a built-in heater 2 and a vaporization chamber 4 partitioned by a vaporization cylinder lid 3. The heat receiving wall 5 was ring-shaped and extended from the vaporization cylinder 1. The vaporizing cylinder inlet 6 opens tangentially on the peripheral surface of the vaporizing chamber 4 and faces the oil feed nozzle 7 connected to an oil pump (not shown). The burner head 8 includes a flame port plate 9, a flame port net 10, and a flame port cap 11, and is provided on the vaporizing cylinder lid 3. The air chamber 12 is the vaporization cylinder 1
And two burner heads 8, each of which is connected to the combustion fan 13. The secondary air port 14 was open at the top of the air chamber 12.

In the above-described configuration, the vaporizing cylinder 1 and the burner head 8 were heated by the energized heater 2 and kept at a high temperature.
The air sent from the combustion fan 13 is supplied to the carburetor cylinder inlet 6.
Vaporized air flowing into the vaporization chamber 4 and forming a swirling flow;
The secondary air was ejected from the secondary air port 14 and divided into two systems. Next, kerosene sent from the oil pump is supplied to the oil feed nozzle 7.
The gas collided with the inner peripheral surface of the vaporization chamber 4 and was vaporized. And
The generated vaporized gas was mixed with the previous vaporized air to form a premixed gas, which was ejected from the flame port plate 9. The premixed gas started burning by the discharge of the ignition electrode (not shown) in the gap between the heat receiving wall 5 and the burner head 8, and the combustion was promoted by the secondary air. When the combustion heat received by the heat receiving wall 5 is conducted to the vaporization cylinder 1, the calorific value of the heater 2 is reduced and the vaporization cylinder 1 is reduced.
Was kept at the set temperature.

In order to increase the capacity variable amount, both burner heads 8 are burned, or only one of them is burned.

However, in the above configuration, the burner head 8
When only one is burning, the burner head 8 on the non-combustion side
However, the vaporizing cylinder 1 must be maintained at a set temperature so that combustion can be started at any time. However, there is no heat received by the heat receiving wall 5 due to the combustion heat, and conversely, because of the cooling action by the vaporized air and the secondary air. Another problem is that the amount of heat generated by the heater 2 must be very large. That is, it is necessary to increase the calorific value of the heater 2 on the non-combustion side as compared with the case where only one burner head 8 is burning.

An object of the present invention is to solve such a conventional problem, and it is an object of the present invention to reduce the amount of heat generated by a non-combustion heater when only one burner head is burning.

Means for Solving the Problems In order to solve the above problems, the oil combustion device of the present invention is:
A tub-shaped uniform chamber, a heat-receiving wall provided to partition the uniform chamber into a plurality of pieces, a plurality of burner heads provided on the upper surface of the uniform chamber with the heat-receiving wall interposed therebetween, and the plurality of pieces were partitioned. It is provided with a vaporizer provided on the upper surface of the uniform chamber, and a heat receiving portion protruding above the burner head in these vaporizers.

Effect of the Invention According to the above configuration, when only one burner head is burning, the combustion heat is conducted from the heat receiving wall to the non-combustion side carburetor, and the radiant heat from the flame is transferred to the non-combustion side heat receiving portion. Therefore, there is an effect that the amount of heat generated by the non-combustion-side heater can be reduced by the amount of heat received.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 to 4, reference numeral 15 denotes a tub-shaped uniform chamber, which is divided into two rooms by a heat receiving wall 16. Reference numeral 17 denotes a burner head, which is provided on the upper surface of the uniform chamber 15 with the heat receiving wall 16 interposed therebetween. Reference numeral 18 denotes two vaporizers provided on the upper surfaces of both ends of the uniform chamber 15, which are formed from a vaporization chamber 19 and a mixing chamber 20, and
The heater 21 is built in. Reference numeral 22 denotes a heat receiving portion, which is formed of heat receiving fins provided at a lower portion of the outer wall of the vaporization chamber 19 so as to be orthogonal to the mixing chamber 15. A communication port 23 connects the vaporization chamber 19 and the mixing chamber 20 to each other. Reference numeral 24 denotes a rectifying port, which is provided in the rectifying plate 25 provided inside the mixing chamber 20 so that the opening area increases as the distance from the communication port 23 increases. Reference numeral 26 denotes a premixed gas outlet, which is opened below the vaporizing chamber 19 and at the lower side of the mixing chamber 20. Reference numeral 27 denotes an inlet of the vaporization chamber, which is opened to the lid 28. An oil feed nozzle inlet 29 is opened to the lid 28 and faces the oil feed nozzle 30. 31 is a combustion fan, an air chamber
It is connected to 32. 33 is a heat insulating material, a uniform chamber 15 and a vaporizer
18 and covered.

In the above configuration, when the heater 21 is energized, the vaporization chamber 19
When the temperature rises rapidly to the set temperature, the heat generation amount of the heater 21 is reduced to maintain the temperature. Combustion fan 31
The air supplied from the evaporator chamber inlet 27 and the oil feed nozzle inlet 29
And vaporized air supplied to the vaporization chamber 19 from the burner head
It is divided into two systems of secondary air supplied to 17. on the other hand,
Kerosene is ejected from the oil supply nozzle 30 to the vaporization chamber 19. Then, the kerosene collides with the inclined surface of the vaporization chamber 19, evaporates and becomes a vaporized gas, and flows into the communication port 23 while being mixed with the vaporized air to become a premixed gas. The premixed air that has passed through the communication port 23 is always very lean with respect to the premixed air outlet 26, but the premixed air flows through the rectifying port
Since the gas passes through the rectifying port 24, the premixed gas becomes uniform with respect to the premixed gas outlet 26. Furthermore, since the fuel is sufficiently homogenized in the uniform chamber 15 and ejected from the burner head 17 to burn, the combustion characteristics are significantly improved. The combustion gas is supplied to the heat receiving section 22
And rises along the outer wall of the vaporization chamber 19, so that the vaporization chamber 19 can sufficiently receive the heat of combustion. Therefore, the vaporization chamber 19 can be maintained at the set temperature by the received combustion heat and the heater 21, so that the vaporization of the kerosene can be favorably maintained and the generation of tar can be prevented.

The case where only one burner head 17 is burning to reduce the capacity will be described. In this case, the non-combustible carburetor 18 is cooled by the vaporized air and the secondary air, but the heat of combustion is transferred from the heat receiving wall 16 to the non-combustible carburetor 18 via the uniform chamber 15, Further, the radiant heat from the flame is received by the non-combustion side heat receiving portion 22 to heat the vaporizer 18. Therefore,
There is an effect that the calorific value of the heater 21 on the non-combustion side can be reduced by the heat recovery amount.

Further, since the uniform chamber 15 is divided into two by the heat receiving wall 16, the uniform chamber 15 can be small and inexpensive.

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

(1) When only one burner head is burning, the combustion heat is conducted from the heat receiving wall to the non-combustion side carburetor, and the non-combustion side heat receiving portion receives the radiant heat from the flame. There is an effect that the amount of heat generated by the heater on the fuel side can be reduced.

(2) Since the vaporization chamber can be maintained at the set temperature by the received combustion heat and the heater, the vaporization of kerosene can be favorably maintained,
The generation of tar can be prevented.

[Brief description of the drawings]

FIG. 1 is a sectional view of an essential part of an oil-fired apparatus according to an embodiment of the present invention, FIG. 2 is a perspective view of an essential part of the apparatus, FIG. 3 is a partially enlarged sectional perspective view of the apparatus, and FIG. FIG. 5 is a sectional view of the same apparatus, and FIG. 5 is a sectional view of a conventional oil-fired apparatus. 15 ... uniform chamber, 16 ... heat-receiving wall, 17 ... burner head, 18
…… vaporizer, 22 …… heat receiving part.

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Claims (1)

(57) [Claims] 1. A uniform chamber having a tub shape, a heat receiving wall partitioning the uniform chamber into a plurality of pieces, a plurality of burner heads provided on an upper surface of the uniform chamber with the heat receiving wall interposed therebetween, and the plurality of pieces are partitioned into the plurality of pieces. And an evaporator provided on the upper surface of the uniform chamber, and a heat receiving portion protruding above the burner head in the evaporator.