CN215669936U

CN215669936U - A drainage device for distribution of rain and sewage

Info

Publication number: CN215669936U
Application number: CN202120510632.8U
Authority: CN
Inventors: 陈喆; 刘澄波; 王嘉伟
Original assignee: Shanghai Municipal Engineering Design Insitute Group Co Ltd
Current assignee: Shanghai Municipal Engineering Design Insitute Group Co Ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2022-01-28
Anticipated expiration: 2031-03-10

Abstract

The utility model provides a drainage device for distribution of rain and sewage which characterized in that: drainage device includes sewage storehouse, rainwater storehouse, establishes the overflow weir between sewage storehouse, the rainwater storehouse, and sewage storehouse top is sealed, and the muddy water inlet tube is established to sewage storehouse lateral part, and the sewage pipe is established to sewage storehouse bottom, and the downspout is established to the rainwater storehouse lower part, establishes a retaining section of thick bamboo in the sewage storehouse, and in a retaining section of thick bamboo was fixed in the sewage storehouse through elastic support piece, the retaining section of thick bamboo bottom was a rubber end cap for controlling the orificial opening and shutting of sewage pipe in sewage storehouse bottom, was equipped with a flexible pipeline and rainwater storehouse bottom UNICOM at a retaining section of thick bamboo. The utility model provides a rainwater and sewage diversion drainage device which is unpowered, maintenance-free and capable of automatically switching from a large municipal drainage pipe network to a community drainage pipe network and the like under various scenes.

Description

A drainage device for distribution of rain and sewage

Technical Field

The utility model relates to a drainage device for distribution of rain and sewage, in particular to a drainage device for distribution of rain and sewage of various combined drainage pipe networks, which is particularly unpowered, maintenance-free and automatically switched to realize the drainage to a sewage pipe network in sunny days and the drainage to a rainwater pipe network in rainy days.

Background

Rain and sewage flow is a drainage system, which separates rain water and sewage and conveys the rain water and the sewage respectively by a pipeline. Rainwater can be directly discharged to a river channel through a rainwater pipe network, sewage is collected through a sewage pipe network and then is sent to a sewage treatment plant for treatment, and water quality reaches corresponding national or local standards and then is discharged into the river channel, so that the river channel can be prevented from being polluted; the distribution of rain and sewage is convenient for rainwater collection and utilization and centralized management and discharge, and simultaneously reduces the impact of the rainwater amount on the sewage treatment plant, thereby ensuring the treatment efficiency of the sewage treatment plant. At present, rainwater and sewage mixed flow caused by various reasons in cities in China enters a rainwater pipe to cause water eutrophication of a river channel, and the mixed flow becomes a main source of river channel pollution in urban areas.

However, in many places, the amount of engineering for modifying the rain and sewage pipe network of municipal administration or residential areas is large or complicated, and therefore, a method of arranging a waste water interception device at the tail end is adopted.

At big municipal drainage pipe network's dimension, the device of holding back that adopts mainly is for holding back the well, and the tradition is held back the well and can't be realized that the orificial automation of sewage drain pipe opens and shuts, leads to a large amount of rainwater of rainy season still to get into sewage factory through sewer line. At present, a combined scheme of arranging a ball float valve in a rainwater well and arranging a flap valve in a sewage well is adopted in some areas to realize rainwater and sewage interception, but the rainwater and sewage interception is limited by the design elevation of a rainwater and sewage pipe network, and the implementation difficulty is high.

In the dimension of a community drainage pipe network, partial finished product rain and sewage diversion devices are arranged in the market. However, the device also realizes automatic switching mainly through modes such as an electric control device, a floater and a connecting rod mechanism, the system principle is complex, the operation reliability is low, and in addition, additional electric wire laying or pipeline distinguishing and the like are needed, so that the construction is complicated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides the drainage device for distributing rain and sewage, which is unpowered, maintenance-free and capable of automatically switching from a large municipal drainage pipe network to a community drainage pipe network and the like under various scenes.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a drainage device for distribution of rain and sewage which characterized in that: drainage device includes sewage storehouse, rainwater storehouse, establishes the overflow weir between sewage storehouse, the rainwater storehouse, and sewage storehouse top is sealed, and the muddy water inlet tube is established to sewage storehouse lateral part, and the sewage pipe is established to sewage storehouse bottom, and the downspout is established to the rainwater storehouse lower part, establishes a retaining section of thick bamboo in the sewage storehouse, and in a retaining section of thick bamboo was fixed in the sewage storehouse through elastic support piece, the retaining section of thick bamboo bottom was a rubber end cap for controlling the orificial opening and shutting of sewage pipe in sewage storehouse bottom, was equipped with a flexible pipeline and rainwater storehouse bottom UNICOM at a retaining section of thick bamboo.

Furthermore, the device is installed outdoors and under the ground, the mixed water inlet pipe is directly connected with the mixed water pipe, and the sewage pipe at the bottom of the sewage bin and the rainwater pipe at the lower part of the rainwater bin are respectively connected with the sewage pipe network and the rainwater pipe network.

Furthermore, a protection cylinder is arranged in the sewage bin, the water storage cylinder is arranged in the protection cylinder, the water storage cylinder is connected with the protection cylinder through an elastic supporting piece, and a certain hole is formed in the side face of the protection cylinder.

Optionally, a grid is arranged above the overflow weir between the rainwater bin and the sewage bin.

Optionally, the height of the bottom of the rainwater bin and the height of the bottom of the sewage bin are higher, and the split-level design can be performed according to different application scenes.

The interior of the water storage cylinder is communicated with the bottom of the rainwater bin through a flexible pipeline, so that the function of the communicating device is realized. When not raining, a certain distance exists between the water storage cylinder and the upper side of the sewage pipe opening, sewage entering the sewage bin from the water mixing inlet pipe flows out through the sewage pipe, when raining, rain and sewage in the sewage bin mix water and turn into the rainwater bin through the overflow weir, after water is stored in the rainwater bin, according to the principle of the communicating device, the liquid level in the water storage cylinder also rises correspondingly, the upward resultant force received by the water storage cylinder in the sewage bin is reduced, and therefore the water storage cylinder moves downwards. Along with the continuous rising of rainwater storehouse water level, the end cap under the final water storage section of thick bamboo thoroughly closes the sewage pipe mouth of pipe and dies, mixes the water and after the dirty muddy water of rain that gets into the sewage storehouse by mixing the water inlet tube overturns into the rainwater storehouse through the overflow weir, discharges via the downspout.

In sunny days, the water in the water mixing pipe is considered to be sewage, namely the sewage is in the water mixing and inlet pipe of the device, and the device is required to automatically discharge the discharged mixed water to the sewage pipe.

In rainy days, rainwater at the early stage of rain is dirty and mixed with original sewage, and the water quantity in the water mixing pipe is considered as sewage, namely the sewage in the water mixing and water inlet pipe of the device needs to be automatically discharged to the sewage pipe by the device. In the rain, the rainfall is great, and the rainwater accounts for the main part, thinks to use the rainwater to be the owner in mixing the water pipe this moment, is the rainwater in the muddy water inlet tube of the device promptly, needs the device to automatic row of muddy water that drains into to the downspout to close the sewage pipe mouth of pipe.

The utility model discloses a beneficial effect is:

1. the structure is simple, no floater or connecting rod mechanism is arranged, the opening and closing of the mouth of the sewage pipe are ensured through the arranged water storage cylinder, and the operation is more reliable.

2. The opening and closing interval of the sewage pipe orifice can be stably controlled by judging the water level of the rainwater bin.

3. Through the trigger point that ground runoff regarded as the device and switches, can avoid receiving the dirty mixed flow of rain that sewage volume grow erroneous judgement caused.

4. The core water storage cylinder, namely the sewage pipe opening and closing device is arranged in a protective sleeve, so that the running reliability of the device can be greatly improved.

5. The sewage pipe is arranged at the bottom of the device, so that the device is in an emptying state daily, and is more sanitary.

6. The principle is simple, and the structure is reliable, but in addition sewage storehouse and rainwater storehouse bottom straggly design, can adapt to the needs of different application scenarios such as big municipal drainage, district drainage.

7. And the installation is simple without extra cable laying, distinguishing pipe and other facilities.

Drawings

FIG. 1 is a top view of the interior of the device.

Fig. 2 is a top plan view of the device.

Fig. 3 is a front view of the device.

Fig. 4 is a diagram showing the state of use of the device on a sunny day.

Fig. 5 is a view showing a state of use of the device in an early stage of rain.

Fig. 6 is a diagram showing the state of use of the device in the middle stage of rain.

Fig. 7 is a diagram showing the state of use of the device in the middle and later stages of rain.

Fig. 8 is a diagram showing a state of use of the device at the end of rain.

Fig. 9 is a diagram of the device in use after a rain stop.

Detailed Description

The utility model provides a drainage device for distribution of rain and sewage, the device body divide into sewage storehouse 1,

rainwater storehouse

2, 1 lateral part in sewage storehouse is established the inlet tube and is linked to each other with dirty muddy water pipe 3 of rain, 2 lateral parts in rainwater storehouse are established the outlet pipe and are linked to each other with downspout 5, establish overflow weir 6 between rainwater storehouse and sewage storehouse, be equipped with a protection section of thick bamboo 11 in the sewage storehouse 1, be equipped with a retaining section of thick bamboo 12 in the protection section of thick bamboo 11, this retaining section of thick bamboo 12 passes through elastic support piece 13 with a protection section of thick bamboo 11 and is connected. The bottom of the water storage cylinder 12 is provided with a rubber plug which can be used for plugging the opening of a sewage pipe 15 at the bottom of the sewage bin, and the bottom of the water storage cylinder 12 is provided with a flexible pipeline 4 communicated with the bottom of the rainwater bin 2. The sump top 16 is of a closed watertight design. The rainwater bin 2 is an empty bin, the top of the rainwater bin can be permeable or not, if the rainwater bin is permeable, the top of the rainwater bin can be provided with a rainwater grate 21, and the device can be used as a rainwater inspection well.

The water storage cylinder 12 above the sewage pipe in the sewage bin 1 is fixed by an elastic support piece 13, and the elastic support piece 13 can be made of various reliable elastic materials, such as a spring, a rubber rope and the like, so that a certain distance is reserved between a rubber plug at the bottom of the water storage cylinder 12 and the upper part of the sewage pipe opening, and sewage can be discharged from the sewage pipe 15. The water storage cylinder 12 is provided with a protection cylinder 11 around, the top of the protection cylinder is open, the top of the water storage cylinder is open, the protection cylinder 11 is provided with a certain pore for sewage to flow in, the protection cylinder plays two roles, 1, sewage is filtered, impurities with large particle size are prevented from entering a sewage pipe port, and a sewage pipe cannot be normally plugged, and 2, the operation track of the water storage cylinder is limited, so that the situation that a plug is misplaced when falling and the sewage pipe cannot be normally plugged is avoided.

The specific operating conditions are described as follows:

in sunny days, as shown in fig. 4, a certain distance is reserved between the water storage cylinder and the upper part of the sewage pipe opening, the rainwater and sewage mixing pipe 3 enters water and firstly enters the sewage bin 1, and sewage flows into the sewage inlet pipe 15 through the protection cylinder 11 with the holes and is discharged.

In the early stage of rain, as shown in fig. 5, the rainwater and sewage mixing pipe 3 enters the sewage bin 1, and sewage flows into the sewage inlet pipe 15 through the protection cylinder 11 with the pores and is discharged. Simultaneously, along with the increase of inflow, the rainwater passes through overflow weir 6 and is reversed to rainwater storehouse 2, and rainwater storehouse 2 begins progressively retaining, and the water level progressively rises. If the design of permeating water is on the top of the rainwater bin, the water storage can be realized earlier.

In the middle and later raining period, as shown in fig. 6 and 7, along with the rise of the water level of the rainwater bin, the water level of the water storage cylinder rises continuously due to the principle of the communicating vessel, and when the critical weight is reached, the rubber plug at the bottom of the water storage cylinder 12 completely seals the opening of the sewage pipe 15. All the inflow water is discharged by the rainwater pipe 5.

After the rain force is reduced, as shown in fig. 8 and 9, the water level of the rainwater bin 2 is reduced, and due to the principle of the communicating vessel, the water level in the water storage cylinder is gradually reduced, the water storage cylinder 12 and the bottom plug thereof gradually move upwards to the original height under the upward force of the elastic support, and the water stored in the sewage bin 1 is discharged by the sewage pipe 15. And then, the mode is restored to the sunny day mode.

Claims

1. The utility model provides a drainage device for distribution of rain and sewage which characterized in that: drainage device includes sewage storehouse, rainwater storehouse, establishes the overflow weir between sewage storehouse, the rainwater storehouse, and sewage storehouse top is sealed, and the muddy water inlet tube is established to sewage storehouse lateral part, and the sewage pipe is established to sewage storehouse bottom, and the downspout is established to the rainwater storehouse lower part, establishes a retaining section of thick bamboo in the sewage storehouse, and in a retaining section of thick bamboo was fixed in the sewage storehouse through elastic support piece, the retaining section of thick bamboo bottom was a rubber end cap for controlling the orificial opening and shutting of sewage pipe in sewage storehouse bottom, was equipped with a flexible pipeline and rainwater storehouse bottom UNICOM at a retaining section of thick bamboo.

2. The drain for distribution of rain and sewage of claim 1, wherein: the device is installed in outdoor open ground, mixes the water inlet pipe and directly links to each other with mixing the water pipe, and sewage storehouse bottom sewage pipe and rainwater storehouse lower part downspout link to each other with sewage pipe network and rainwater pipe network respectively.

3. The drain for distribution of rain and sewage of claim 1, wherein: a protection cylinder is arranged in the sewage bin, the water storage cylinder is arranged in the protection cylinder, the water storage cylinder is connected with the protection cylinder through an elastic supporting piece, and a hole is formed in the side surface of the protection cylinder.

4. A drainage device for a flow of rain and sewage according to claim 3, wherein: the elastic supporting piece is a spring or a rubber rope.

5. The drain for distribution of rain and sewage of claim 1, wherein: a grid is arranged above the overflow weir between the rainwater bin and the sewage bin.

6. The drain for distribution of rain and sewage of claim 1, wherein: the top of the rainwater bin is provided with a rainwater grate.

7. The drain for distribution of rain and sewage of claim 1, wherein: the interior of the water storage cylinder is communicated with the bottom of the rainwater bin through a flexible pipeline.