JPS5941368Y2 - Drain structure in kerosene vaporizing burner - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a kerosene vaporizing burner, and more particularly to its drain structure.

For example, in Japanese Patent Publication No. 52-32094, kerosene is supplied into a vaporizer cylinder that is rotated around the axis, and the kerosene is sprayed outward from the vaporizer cylinder to cause live combustion at first, and then A vaporizing burner is shown in which the heat of combustion is used to heat the vaporizing cylinder to promote the vaporization of the kerosene in the vaporizing cylinder, thereby automatically shifting to vaporizing combustion.

A vaporizing burner using such a system has the advantage that it is not necessary to preheat the kerosene using an electric heating element, and that it does not require complicated operations at the start of combustion.

However, if a vertical burner is configured with a vertical axis of rotation that supports and rotates the vaporizing cylinder, a portion of the kerosene (a small amount of fuel) supplied into the vaporizing cylinder rotates as oil droplets. There is a risk that the particles will adhere to the shaft, be transmitted to the rotating shaft, fall, and flow into the bearing of the lower motor that rotates the rotating shaft, impairing the lubrication of the bearing.

Therefore, an object of the present invention is to prevent oil droplets falling along the rotating shaft from flowing into the bearing portion of the motor with a simple structure.

According to the present invention, it is possible to maintain a predetermined lubricating effect on the bearing portion of the motor for a long period of time, and it is also possible to improve the workability of assembly.

Examples will be described below with reference to the drawings.

First, the overall structure of this kerosene vaporizing burner will be explained with reference to FIG. 1, along with its function.

When the motor 1 is started, a vertical rotating shaft 2 directly connected to the rotor rotates, and a hollow vaporizing tube 4 having a fuel diffuser 3 attached to the top of the rotating shaft 2 in the center rotates, and the fan 5 allows air to pass through the air chamber 6 to the blower tube 7
When the electromagnetic pump 8 is driven, kerosene flows from the lower tank 9 through the oil pipe 10 to the fuel diffuser 3.
is supplied to the outer peripheral surface of the

The kerosene supplied to the diffuser 3 is diffused along its surface based on centrifugal force, and while it is transferred to the inner surface of the vaporizer tube 4 and diffused, it is further diffused by the forced air blowing out from the blower tube 7. It is ejected outward from the spray gap 11 along with a portion of the forced wind.

If the spark plug 12 is driven at this time, raw combustion will occur outside the vaporizer cylinder 4.

During this raw combustion, a portion of the forced air passes through the gas chamber 14 provided along the outer wall surface of the combustion tube 13 and is also ejected from the gas ejection holes 15 on the inner circumferential surface, so that the combustion is complete and moreover. The vaporizer cylinder 4 will be heated intensely.

When the vaporization cylinder 4 is heated in this way, the diffused fuel inside it is quickly vaporized, mixed with the forced air, and becomes a complete mixed gas that fills the gas chamber 14 and flows out from the gas injection hole 15. It ejects vigorously and causes vaporization and combustion.

Thereafter, vaporization combustion continues. Further, referring to FIG. 2, the ring-shaped oil receiver is provided with a substantially cylindrical projection 18 so as to form a groove 17 around the outer periphery of the protruding portion 16 to receive the rotating shaft 2 of the bracket bearing of the motor 1. On the other hand, an umbrella-shaped oil drop 19 is fixed to the lower outer periphery of the rotating shaft 2.

The lower end of this oil drain 19 is slightly inserted into the groove 17 of the ring-shaped oil receiver.

According to this structure, even if a part of the kerosene supplied into the vaporizer tube 4 flows down the rotating shaft 2 as oil droplets, the oil pan is guided to the groove 17 by the oil drain 19. The oil droplets do not impair the lubrication of the bracket bearing portion of the motor 1.

Furthermore, by fitting the lower end of the blower tube 7 inside (or outside) the projection 18 as shown in FIG. 1, it is possible to reduce the need for partial alignment during assembly.

In the illustrated embodiment, the oil pan drains the kerosene accumulated in the groove 17 from the cut 20 of the protrusion 18 through the duct 21 into the recess 2.
2 and then returned to the tank 9 through the drain pipe 23, but other structures may be adopted for this part.

As described above using the embodiments, according to the present invention, it is possible to maintain a predetermined lubrication effect on the bearing portion of the motor for a long period of time, and it is also expected that the workability of assembly will be improved.

[Brief explanation of drawings]

Fig. 1 is a schematic cross-sectional view showing the entire structure of a kerosene vaporizing burner according to the present invention, and Fig. 2 is a half-sectional view showing a main part of an embodiment of the drain structure according to the present invention. ...Motor, 2...Rotating shaft, 4...
...Carbonizer cylinder, 10...Oil pipe, 17...
... Oil pan is groove, 19 ... Oil drain, 22 Drain pipe.

Claims (1)

[Scope of utility model registration request] A kerosene vaporizing burner in which a vaporizing tube is attached to the upper part of a vertical rotating shaft directly connected to the rotor of a motor, and the kerosene supplied into the vaporizing tube is vaporized and burned outside the vaporizing tube. An oil pan extending in a ring shape around the rotating shaft is provided with a groove on the surface from which the rotating shaft of the motor protrudes, and a groove is provided on the lower outer periphery of the rotating shaft to prevent oil droplets that are transmitted to the rotating shaft and fall. The drain structure features an umbrella-shaped oil drain that guides the oil into the groove.