JPH1079352A - Diffusing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent backward flow of air into a reaction chamber passing through a drain piping by a method wherein a backward flow preventing part is attached to the drain piping of a diffusing device including a react on chamber, an air exhaust tube and a drain piping. SOLUTION: An aperture, where a drain piping 3 is inserted, is provided on the upper body 15, an aperture, where an outlet side drain piping 19 is inserted, is provided on the lower body 16, and the body of a backward flow preventing part 10 is formed by integrally coupling the upper body 15 and the lower body 16. The quantity of water, which fills up the part from the bottom face of a water storage tank 17 to the lower end of a water draining hole 175, the water flows into the water storage tank 17 from the drain piping 3, stagnated in the water storage tank 17, and the water exceeding the above- mentioned quantity is discharged to the drain piping 19 on the outlet side from the water draining hole 17a through the space between the inner surface of the body and the outer surfce of the water storage tank 17. As a fixed quantity of water is stored in the water storage tank 17 at all times, the backward flow of the atmospheric air from the drain piping 19 can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a diffusion apparatus, and more particularly to a method for monitoring the amount of water discharged from a drain pipe and disposing of the discharged water, and preventing air from flowing back into a reaction chamber through the drain pipe. There is no diffuser.

[0002]

2. Description of the Related Art FIG. 5 schematically shows a conventional diffusion device.

[0003] As shown in the figure, this diffusion device includes a reaction chamber 1, an exhaust pipe 2 a, an exhaust pipe 2 b, a drain pipe 3,
It comprises a hand valve 4 and a tank 5.

In this diffusion device, gas discharged from the reaction chamber 1 is discharged to the outside via an exhaust pipe 2a and an exhaust pipe 2b. At this time, when the wet oxidation step is performed in the reaction chamber 1, the water vapor contained in the exhaust gas is condensed and changes into water, and flows into the tank 5 via the drain pipe 3 and the hand valve 4. Has become.

[0005]

However, in the above-mentioned conventional diffusion device, the tank 5 is filled with water after a certain period of time and the water cannot be discharged any more. There is a problem that it is necessary to monitor the amount of water in the tank 5 and dispose of the water in the tank 5 manually as needed.

Further, when water is discharged without using the tank 5 as shown in FIG. 6, there is a problem that air flows back into the reaction chamber 1 via the drain pipe 3 and adversely affects the process. there were.

An object of the present invention is to solve the above problems,
No need to monitor effluents or dispose of effluents,
Another object of the present invention is to provide a diffusion device in which air does not flow back into a reaction chamber through a drain pipe.

[0008]

To achieve the above object, a diffusion device according to the present invention is a diffusion device including a reaction chamber, an exhaust pipe, and a drain pipe, wherein a backflow prevention portion is attached to the drain pipe.

In this case, the backflow prevention portion includes a joint, an upper body, a lower body, and a water storage tank, and an opening for inserting the drain pipe is provided in the upper body. An opening for inserting a drain pipe on the outlet side is provided, and the upper body and the lower body are integrally coupled to form a body of the backflow prevention unit,
A drain hole is provided in the upper part of the side wall of the reservoir tank, and water overflowing from the drain hole flows between the inner surface of the body and the outer surface of the reservoir tank to the drain pipe on the outlet side. Attach the sump tank inside the body as possible, and use the joint at the entrance to project the drain pipe and the upper body so that the tip of the drain pipe projects below the lower end of the drain hole. And connect
The lower body is connected to the drain pipe on the outlet side using the joint at the outlet.

[0010]

FIG. 1 is a diagram showing an outline of a diffusion device according to a first embodiment of the present invention.

As shown in the drawing, this diffusion device comprises a reaction chamber 1, exhaust pipes 2a and 2b, drain pipes 3 and 19,
The backflow prevention unit 10 is included. That is, the hand valve and the tank in the related art are removed, and the backflow prevention unit 10 is provided in the drain pipe 3.

In this diffusion device, gas discharged from the reaction chamber 1 is discharged to the outside via exhaust pipes 2a and 2b.
On the other hand, the water condensed from the steam discharged from the reaction chamber 1 is
The exhaust gas is discharged through the drain pipe 3, the backflow prevention unit 10, and the drain pipe 19.

FIG. 2 is a sectional view showing details of the backflow prevention unit 10. As shown in FIG.

The backflow prevention unit 10 is provided with a joint 14 at the entrance.
And an upper body 15, a lower body 16, a water reservoir tank 17, and a joint 18 at an outlet.

An opening for inserting the drain pipe 3 is provided in the upper body 15, an opening for inserting the drain pipe 19 on the outlet side is provided in the lower body 16, and the upper body 15 and the lower body 16 are integrally connected. The body of the backflow prevention unit 10 is configured.

A drain hole 17a is provided in the upper part of the side wall of the water reservoir tank 17, and water overflowing from the water drain hole 17a passes through the space between the inner surface of the body and the outer surface of the water reservoir tank 17 to drain on the outlet side. A water storage tank 17 is mounted inside the body so that the water can be distributed to the pipe 19.

The drain pipe 3 and the upper body 15 are connected to each other using the inlet joint 14 such that the tip of the drain pipe 3 projects below the lower end of the drain hole 17 a of the water reservoir tank 17.

Using the joint 18 at the outlet, the lower body 16
And the drain pipe 19 on the outlet side are connected.

In the backflow prevention portion 10, the water flowing from the drain pipe 3 into the water reservoir 17 has an amount that fills the portion from the bottom of the water reservoir 17 to the lower end of the drain hole 17a. Water remaining in the tank 17 and exceeding this amount is discharged from the drain hole 17a to the drain pipe 19 on the outlet side through the space between the inner surface of the body and the outer surface of the water reservoir tank 17. Since a certain amount of water always stays in the water storage tank 17, the air in the atmosphere does not flow backward from the drain pipe 19.

The overall configuration of the second embodiment of the diffusion device according to the present invention is the same as that of the first embodiment shown in FIG.

In the second embodiment, as shown in FIG. 3, a backflow prevention unit 20 having a different configuration from that of the first embodiment is used.

The backflow prevention portion 20 is formed by bending a part of the drain pipe 3 in a loop shape by 360 degrees. The water discharged through the drain pipe 3 stays in the upwardly concave portion of the backflow prevention part 20, so that the drain pipe 3
There is no backflow of atmospheric air from the air.

The overall configuration of the third embodiment of the diffusion device according to the present invention is also the same as that of the first embodiment shown in FIG.

In the third embodiment, as shown in FIG. 4, a backflow prevention unit 30 having a different configuration from the first and second embodiments is used.

The backflow prevention part 30 is formed by bending a part of the drain pipe 3 upward by 180 degrees so as to have a concave shape, and further by bending the part beyond the part by 180 degrees so as to have a downward concave shape.
Formed by bending it. The water discharged through the drain pipe 3 stays in the upwardly concave portion of the backflow prevention part 30, so that the air in the atmosphere does not flow backward from the drain pipe 3.

[0026]

According to the diffusion device of the present invention described above, the discharged water is discharged through the backflow prevention unit, but the air in the atmosphere does not flow back through the backflow prevention unit. There is no need to monitor the amount of water or dispose of the discharged water manually, and it is possible to prevent air from flowing back into the reaction chamber and adversely affecting the process.

[Brief description of the drawings]

FIG. 1 is a diagram showing an outline of a diffusion device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view illustrating details of a backflow prevention unit according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view illustrating a backflow prevention unit according to a second embodiment of the present invention.

FIG. 4 is a cross-sectional view illustrating a backflow prevention unit according to a third embodiment of the present invention.

FIG. 5 is a diagram schematically showing a conventional diffusion device.

FIG. 6 is a view showing a state where a tank is not attached to a drain pipe of a conventional diffusion device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Reaction chamber 2a, 2b ... Exhaust pipe 3, 19 ... Drain piping 10, 20, 30 ... Backflow prevention part 14, 18 ... Joint 15 ... Upper body 16 ... Lower body 17 ... Water storage tank 17a ... Drain hole

Claims (2)

[Claims] 1. A diffusion device comprising a reaction chamber, an exhaust pipe, and a drain pipe, wherein a backflow prevention portion is attached to the drain pipe. 2. The diffusion device according to claim 1, wherein the backflow prevention portion includes a joint, an upper body, a lower body, and a water storage tank, and the drain pipe is inserted into the upper body. An opening for inserting a drain pipe on the outlet side into the lower body; an upper body and the lower body integrally connected to form a body of the backflow prevention portion; A drain hole is provided in the upper part of the side wall of the tank so that water overflowing from the drain hole can flow to the drain pipe on the outlet side through the space between the inner surface of the body and the outer surface of the water reservoir tank. The water reservoir tank is mounted inside the body, and the drain pipe and the upper body are protruded from the lower end of the drain hole to the drain pipe and the upper body using the joint at the entrance. Connected to the diffusion apparatus characterized by connecting the drain pipe of the lower body and the outlet side with the joint of the outlet.