JPH09242154A - Drain system jointly using double trap and siphon effect - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drain system jointly using a double trap and a siphon effect wherein the restriction condition of a piping route is relaxed without any inclination of a drain pipe, and a degree of freedom of a building plan and a renewal plan can be increased. SOLUTION: A drain instrument 1 and a drain vertical pipe 2 are connected by a drain pipe 3, a first trap part 4 is provided between the drain pipe 3 and the drain instrument 1, and a second trap part 5 is set between the drain pipe 3 and the drain vertical pipe 2 so as to form a double trap. And the inside of the drain pipe 3 is made negative pressure, the inside of the drain pipe 3 is filled with water, an exhaust fan 8 producing siphon effect toward the second trap part 5 from the first trap part 4 is connected, and when the inside of the drain pipe 3 is filled with water in the connection part, a valve mechanism 6 cutting off exhaust is mounted therebetween.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention can be used as a drainage system in a multi-dwelling house, a commercial complex, a research institute, a school, and other buildings or a multi-storied building where a new water field is provided by renewal. The present invention relates to a drainage system that uses a trap and a siphon effect together.

[0002]

2. Description of the Related Art Generally, in a hierarchical building, drainage discharged from drainage appliances such as kitchens, washbasins, toilets and bathrooms is connected between the drainage appliances and a drainage plumbing pipe installed at a predetermined position in the building. By providing a gradient of about 1/50 to 1/100 in the drainage pipe, the drainage pipe is guided to the drainage vertical pipe. However, the gradient for guiding the drainage to the drainage pipe often restricts the piping route of the drainage pipe and often becomes a bottleneck in construction plans and building renewal plans. There will be an advantage that the constraint condition can be relaxed.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to alleviate the constraint conditions of the drainage pipe route by eliminating the need for the slope of the drainage pipe that guides the drainage discharged from the drainage device to the drainage vertical pipe. , It is to provide a drainage system that uses a dual trap and siphon effect that can increase the degree of freedom in construction planning and building renewal planning. Another object of the present invention is to provide a drainage system using a double trap and a siphon effect that can easily cope with additions and changes around the water field by eliminating the need for a drain pipe gradient. To do.

[0004]

In order to solve the above problems, a drainage system using a double trap and a siphon effect according to the present invention connects a drainage device and a drainage pipe with a drainage pipe, A first trap and a second trap are respectively provided between the drain pipe and the drainage device and between the drain pipe and the drain standing pipe to form a double trap, and the drain pipe is provided with a negative trap inside. The exhaust pipe is connected to an exhaust fan that creates a siphon effect from the first trap section toward the second trap section by filling the drain pipe with full pressure. In this case, a valve mechanism is installed to shut off the exhaust gas when it becomes exhausted.A double trap is formed between the drainage device and the drainage vertical pipe, and an exhaust fan is installed side by side to force it. To produce a siphon effect It is possible, it can lead to waste water from the drainage device to the drainage stand pipe without gradient.

Also, in the drainage system using the double trap and the siphon effect according to the present invention, in the above system, the valve mechanism is connected to the drainage pipe, and an exhaust pipe connected to the exhaust fan is provided at an upper portion. A float chamber connected to the float chamber, and a float which is enclosed in the float chamber and closes the connection port of the exhaust pipe when the float chamber is filled with drainage. By providing such a valve mechanism, when the inside of the drain pipe is not filled with drainage, a negative pressure is created in the drainage pipe by the exhaust fan, and the drainage overflows from the first trap portion side toward the second trap portion. The drain pipe can be filled with water, and when the drain pipe is filled with water, the exhaust pipe is closed with a float to shut off the exhaust gas. It can be maintained siphon effect.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
This will be described with reference to FIG. FIG. 1 is a configuration diagram showing a configuration of a drainage system using a double trap and a siphon effect according to an embodiment of the present invention, FIG. 2 is a conceptual diagram for explaining a function of a valve mechanism used in the system, and FIG. 3 is the same. It is a conceptual diagram for demonstrating the structure of a valve mechanism, and its operating state.

A drainage device 1 such as a washbasin 1a and a toilet 1b is appropriately installed in the building, and these drainage device 1 and a miscellaneous drainage pipe 2a and a sewage pipe 2 piped at predetermined positions in the building.
The drainage system is configured so that the drainage vertical pipe 2 such as b is connected by the drainage pipe 3, and the domestic wastewater discharged from the drainage device 1 is guided to the drainage vertical pipe 2 through the drainage pipe 3 and discharged. It is possible to secure a considerable head between the water surface of the drainage device 1 and the drainage pipe 2 in the building, but if a siphon effect can be generated between them, a considerable slope is secured. It is possible to obtain the same effect as, and it becomes unnecessary to install the drainage pipe 3 with a slope.

In order to obtain such a siphon effect, the drainage device 1 and the drainage pipe 3 are connected to each other at the first portion for sealing water.
The trap portion 4 of the drainage pipe 3 and the drainage pipe 2 are provided.
Similarly, a second trap portion 5 for sealing water is also provided in the connection portion with and thereby a double trap is formed between the drainage device 1 and the drainage vertical pipe 2. In addition, since a negative pressure is applied to the drain pipe 3 to force the siphon effect,
An exhaust fan 8 is connected via the valve mechanism 6 and the exhaust pipe 7.

FIG. 2 is a conceptual diagram for explaining the function of the valve mechanism 6. The valve mechanism 6 is provided with first and second trap portions provided at both ends of the drain pipe 3 by the operation of the exhaust fan 8. A negative pressure is applied between the double traps formed by 4 and 5, and the drainage pipe 3 is filled with the drainage on the first trap portion 4 side toward the second trap portion 5 on the downstream side in an overflow state. When the inside of the drain pipe 3 is filled with water, the exhaust is stopped and the state is continued to maintain the siphon effect.

As shown in FIG. 3, the valve mechanism 6 has a float chamber 9 to which a drain pipe 3 is connected, and an exhaust pipe 7 connected to an exhaust fan 8 is connected to the upper portion thereof. When the inside of the float chamber 9 is filled with drainage, the float 10 is configured to close the connection port of the exhaust pipe 7 to stop the exhaust. The float chamber 9 is designed so that the connection port of the exhaust pipe 7 can be closed at a water depth H of about 10 to 15 mm, and the setting of this water depth H determines the pressure (power) of the exhaust fan 8. .

According to the above embodiment, however, the drainage from the drainage device 1 such as the washbasin 1a and the toilet 1b passes through the first trap portion 4, the drain pipe 3 and the second trap portion 5,
Most of it will be led to the drainage vertical pipe 2 such as the miscellaneous drainage pipe 2a and the wastewater pipe 2b due to the head, and discharged, but since the drainage pipe 3 is piped without a gradient, a certain amount It may remain in the tube 3.

In this state, the exhaust fan 8 in operation
By this, a negative pressure can be created between the double traps of the drainage pipe 3, whereby the drainage on the first trap part 4 side is directed toward the second trap part 5 on the downstream side in the drainage pipe 3 in an overflow state. It can be drained so that it is full.
At this time, the valve mechanism 6 functions to exhaust the inside of the funnel chamber 9 by the exhaust fan 8 and maintain the inside of the drain pipe 3 in a negative pressure state as shown in FIG.

When the exhaust fan 8 continues to exhaust the air in the float chamber 9, the drain pipe 3 between the first trap portion 4 and the second trap portion 5 will eventually become full of water.
A siphon effect occurs and the drainage is guided to the drainage pipe 2 side. When the drainage pipe 3 is full of water, the valve mechanism 6
The water level in the float chamber 9 also rises as shown in FIG. 3 (B), and the float 10 connects the exhaust pipe 7 to the exhaust fan 8.
Since the connection port of is closed, the exhaust is stopped. As a result, the siphon effect is maintained, and the drainage remaining in the drainage pipe 3 is drained even if the drainage pipe 3 has no slope.

As the drainage progresses due to the siphon effect, the water level in the float chamber 9 of the valve mechanism 6 gradually lowers, and FIG.
Since the connection port of the exhaust pipe 7 is opened as shown in (C), the exhaust fan 8 resumes exhausting the inside of the float chamber 9 and returns to the original state. By repeating this operation, even if the drainage pipe 3 is piped without a gradient, the drainage discharged from the drainage device 1 can be guided to the drainage vertical pipe 2 and drained.
Therefore, the constraint condition of the piping route of the drainage pipe 3 can be relaxed, and the degree of freedom of the building plan and the building renewal plan can be increased.

Further, by adopting this system,
There is an advantage that it is possible to easily respond to changes in the water area that suit the lifestyles of residents and to reduce restrictions on additions and changes to the water area due to renewal. Furthermore, by setting a large drop between the upstream first trap portion 4 and the downstream second trap portion 5, it becomes possible to easily construct a drainage system that requires a steep gradient.

It should be noted that this system has to use power for the exhaust fan 8 though it is a little compared with the gravity drainage system, so it is important to make a system in consideration of energy saving. At that time, it is necessary to use a device such as power generation of the exhaust fan 8 by natural energy such as the sun or wind power, or double use as a ventilation fan that is generally used for indoor ventilation.

In order to maintain the siphon effect,
It is necessary to securely close the exhaust route by the float 10, so that the material and shape of the float 10 or the float chamber 9 may be set so that the valve mechanism 6 functions normally.
It is necessary to properly design the structure of and, and in the wastewater piping system, it is necessary to consider the effects of wastewater and toilet paper. Further, the present invention may be applicable as a regional drainage system that does not use a pump or a vacuum pump in an uneven area.

[0018]

As described above, according to the drainage system using the double trap and the siphon effect according to the present invention, the drainage discharged from the drainage device is drained even if the drainage pipe is installed without a gradient. Since the water can be guided to and drained, the constraint condition of the drainage pipe route can be relaxed and the degree of freedom in the construction plan and the building renewal plan can be increased. Also, by relaxing the restrictions on the drainage route,
There is a merit that it is possible to easily respond to additions and changes around the water area.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a configuration of a drainage system using a double trap and a siphon effect according to an embodiment of the present invention.

FIG. 2 is a conceptual diagram for explaining a function of a valve mechanism used in a drainage system using a double trap and a siphon effect according to an embodiment of the present invention.

FIG. 3 is a conceptual diagram for explaining a configuration and an operating state of a valve mechanism used in a drainage system that uses a double trap and a siphon effect according to an embodiment of the present invention.

[Explanation of symbols]

 1 Drainage Equipment 2 Drainage Standpipe 3 Drainage Pipe 4 First Trap Part 5 Second Trap Part 6 Valve Mechanism 7 Exhaust Pipe 8 Exhaust Fan 9 Float Chamber 10 Float

Claims (2)

[Claims] 1. A drainage pipe is connected between a drainage device and a drainage pipe, and the first and second drainage pipes are connected to the drainage device and between the drainage pipe and the drainage pipe, respectively. And a double trap is formed in the drain pipe, the inside of the drain pipe is set to a negative pressure, and the inside of the drain pipe is filled with water to move from the first trap portion to the second trap portion. An exhaust fan that produces a siphon effect is connected, and a valve mechanism that shuts off the exhaust when the drain pipe is full is connected to the connection part. Drainage system. 2. The float mechanism, wherein the valve mechanism is connected to the drain pipe, and an exhaust pipe connected to the exhaust fan is connected to an upper portion of the valve mechanism, and the float chamber is enclosed in the float chamber, and the float chamber is filled with drainage. The drainage system using a double trap and a siphon effect according to claim 1, wherein the drainage system closes the connection port of the exhaust pipe when the drainage system is operated.