CN105421565A

CN105421565A - Building drainage system

Info

Publication number: CN105421565A
Application number: CN201510913771.4A
Authority: CN
Inventors: 韩少鹏
Original assignee: Individual
Current assignee: Guangdong Hongtai Construction Co ltd
Priority date: 2015-02-03
Filing date: 2015-02-03
Publication date: 2016-03-23
Anticipated expiration: 2035-02-03
Also published as: CN105421565B; CN104652579B; CN104652579A

Abstract

The invention provides a building drainage system. The building drainage system comprises a rain water collecting box, a sewage collecting pipe, a storage pond and a main drainage pipe, wherein the rain water collecting box is used for collecting rain water, and is provided with a first water outlet, and the first water outlet is communicated with the main drainage pipe; the sewage collecting pipe is connected with a domestic sewage source for draining domestic sewage, and a water outlet of the sewage collecting pipe is positioned above the opening of the storage pond; the storage pond is used for receiving the domestic sewage drained by the sewage collecting pipe, and is provided with an outlet connected with the main drainage pipe; the rain water collecting box is provided with a second water outlet; the second water outlet is connected with the sewage collecting pipe through a solenoid valve; a flowmeter is arranged between the second water outlet and the sewage collecting pipe, a valve is in an opened state in the normal time, and when the flow of rain water passing through the flowmeter exceeds a specific value within the specific time, the solenoid valve is closed.

Description

A kind of architectural drainage system

Technical field

The present invention relates to a kind of drainage, especially relate to a kind of building drainage.

Background technology

Building needs draining to be processed to have sanitary sewage and rainwater two kinds.At present, the foul water system of combined system is then sewage and the discharge of rainwater interflow, under normal conditions, sewage is directly transported to Wastewater Treatment Plant by discharge tube, and under heavy rain condition, due to rainwater and sewage interflow, the discharge water yield increases considerably, Wastewater Treatment Plant cannot process completely, therefore the mixed flow of large amount of sewage and rainwater directly can only be entered, thus cause the pollution of river environment.

201010577081.3 patent of invention propose a kind of rainwater control sewage discharge device, wherein sewage and rainwater use a main drain jointly, by the hydraulic pressure control pressure-control valve of rainwater, make rainwater and sewage can be discharged into treatment plant respectively by main drain, save the processing cost of sewage.But this invention also also exists following problem: 1, rainwater is different with the degree of contamination of sanitary sewage, most of rainwater pollution degree is not high, can directly discharge, if rainwater is all discharged into treatment plant, adds the processing load for the treatment of plant; 2, at the rainfall initial stage, the pollution gas such as a large amount of sour gas, vehicle exhaust, plant gas in air has been dissolved due to rainwater, the washing away of building surface again after landing, usually beyond the degree of contamination of municipal sewage, need to be discharged to Wastewater Treatment Plant's process, this invention can not solve the process problem respectively of early-stage rainwater and later stage rainwater.

Summary of the invention

According to an aspect of the present invention, provide a kind of building drainage, comprise rainwater collection header, sewage collecting pipe, storage pond, main drain; Described rainwater collection header is for collecting rainwater, and it has the first delivery port, and described first delivery port is communicated with described main drain by gutter; Described sewage collecting pipe is connected with sewage source, and for discharging sanitary sewage, its delivery port is positioned at described storage pond overthe openings; The sanitary sewage that described storage pond is discharged for receiving sewage collecting pipe, have first export of being connected with main drain, and be connected with main drain second exports, the height that the described second height exported exports higher than first; It is characterized in that: described main drain has the 3rd outlet and the 4th outlet two outlets, and wherein the 3rd outlet is used for discharging pending sewage to Wastewater Treatment Plant, and the 4th outlet is for discharging rainwater; The first delivery port that described 4th outlet is positioned at described rainwater collection header communicates with described main drain below partly; In the first outlet of storage pond, the first pressure-control valve is set with described communicating between part, the second pressure-control valve is set between the described part and the described 4th that communicates exports.

Preferably, described first pressure-control valve is different with the controlled pressure of the second pressure-control valve.

Preferably described first pressure-control valve and the second pressure-control valve are set to: when only there being sanitary sewage, described first pressure-control valve is opened to the 3rd Way out of main drain, described second pressure-control valve cuts out, and described sanitary sewage is discharged to Wastewater Treatment Plant by the 3rd outlet of main drain; When only rain, described rainwater is declined by gutter, and its pressure opens the second pressure-control valve, closes the first pressure-control valve, and rainwater is discharged by the 4th outlet of main drain; When sanitary sewage and rainwater exist simultaneously, the pressure that described rainwater declines opens the second pressure-control valve, close the first pressure-control valve, rainwater is discharged by the 4th outlet of main drain, and sanitary sewage is stored in storage pond, when its water level reaches certain height, be discharged to the 3rd outlet of main drain by the second outlet of storage pond.

Preferably, the first delivery port of described rainwater collection header is positioned at the side of described rainwater collection header, its distance bottom surface certain height.

Preferably, described certain height corresponds to the height of early-stage rainwater.

Preferably, described rainwater collection header also comprises the second delivery port, and described second delivery port is connected by electromagnetic valve with described sewage collecting pipe.

Preferably, the second delivery port of described rainwater collection header is positioned at the bottom surface of described rainwater collection collector.

Preferably, between described second delivery port and described sewage collecting pipe, arrange flow meter, described electromagnetic valve is in opening usually, when flowing exceed particular value by the rainwater of described flow meter in special time, closes described electromagnetism meter; Described particular value corresponds to the flow of early-stage rainwater.

Preferably, also comprise humidity sensor, described electromagnetic valve cuts out when ambient humidity is reduced to specific low humidity from specific high humility.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of embodiments of the invention.

Detailed description of the invention

Following embodiment of the present invention, the advantage with them is open at this together with feature, will become obvious by reference to following explanation and accompanying drawing.And, should be appreciated that the feature not mutual exclusion of various embodiment described here, and can exist in various combination and transformation process.

See Fig. 1, building drainage of the present invention, comprises rainwater collection header 1, sewage collecting pipe 2, storage pond 3, main drain 4.Wherein, rainwater collection header 1 is for collecting rainwater, and it has the first delivery port 5, first delivery port 5 and communicates 4 by gutter with main drain.Sewage collecting pipe 2 is connected with sewage source, and for discharging sanitary sewage, its delivery port is positioned at storage pond 3 overthe openings.The sanitary sewage that storage pond 3 is discharged for receiving sewage collecting pipe 2, have be connected with main drain first export 31, and be connected with main drain second exports 32.The height of the second outlet 32 exports the height of 31 higher than first.Main drain has the 3rd outlet 41 and the 4th outlet 42 two outlets, wherein the 3rd outlet 41 is for discharging pending sewage to Wastewater Treatment Plant, and the 4th outlet 42 is for discharging rainwater; The below that the first delivery ports that 4th outlet 42 is positioned at rainwater collection header communicate with described main drain partly; In the first outlet 31 of storage pond, the first pressure-control valve 6 is set with described communicating between part, the second pressure-control valve 7 is set between the described part and described second that communicates exports.

First pressure-control valve 6 and the second pressure-control valve 7 are set to: when only there being sanitary sewage, first pressure-control valve 6 is opened to the 3rd outlet 41 direction of main drain, second pressure-control valve 7 cuts out, the insufficient pressure of sanitary sewage is to open the second pressure-control valve 7, and sanitary sewage is discharged to Wastewater Treatment Plant by the 3rd outlet 41 of main drain; When only rain, rainwater is declined by gutter, and its pressure makes the sanitary sewage in the first outlet 31 directions of the first Stress control valve closure storage pond 3, and opens the second pressure-control valve 7, and rainwater is discharged by the 4th outlet 42 of main drain; When sanitary sewage and rainwater exist simultaneously, the pressure that described rainwater declines opens the second pressure-control valve 7, close the first pressure-control valve 6, rainwater is discharged by the 4th outlet 42 of main drain, and sanitary sewage is stored in storage pond 3, when its water level reaches certain height, be discharged to the 4th outlet 42 of main drain 4 by the second outlet 32 of storage pond.By above-mentioned setting, rainwater can be discharged by the 4th outlet 42 of main drain, and be not transported to Wastewater Treatment Plant, reduce the processing load of Wastewater Treatment Plant.

Preferably, in order to avoid the impact of early-stage rainwater, the first delivery port 5 of rainwater collection header 1 can be arranged on the side of rainwater collection header 5, its distance bottom surface certain height, certain height corresponds to the height of early-stage rainwater.Preferably, in order to early-stage rainwater being discharged into Wastewater Treatment Plant's process, can arrange the second delivery port 12 on rainwater collection header 1 bottom surface, it is connected by electromagnetic valve 8 with sewage collecting pipe 2.

Preferably, flow meter can be set between the second delivery port 12 of rainwater collection header 1 and sewage collecting pipe 2, described electromagnetic valve 8 is in opening usually, when after the rainfall value being flowed exceed early-stage rainwater in special time by the rainwater of described flow meter, and shut electromagnetic valve; Middle and later periods rainwater is flowed out by the first delivery port 5 of rainwater collection header 1.

Preferably, also comprise humidity sensor, when ambient humidity is reduced to specific low humidity from specific high humility, it represents that rain stops, opens solenoid valve 8, thus is discharged by the remaining rainwater of rainwater collection header 1.

In addition, those skilled in the art also can do other change in spirit of the present invention, as long as it does not depart from technique effect of the present invention.These changes done according to the present invention's spirit, all should be included within the present invention's scope required for protection.

Claims

1. an architectural drainage system, comprises rainwater collection header, sewage collecting pipe, storage pond, main drain; Described rainwater collection header is for collecting rainwater, and it has the first delivery port, and described first delivery port is communicated with described main drain by gutter; Described sewage collecting pipe is connected with sewage source, and for discharging sanitary sewage, its delivery port is positioned at described storage pond overthe openings; The sanitary sewage that described storage pond is discharged for receiving sewage collecting pipe, has the outlet be connected with main drain; It is characterized in that: described rainwater collection header has the second delivery port; Described second delivery port is connected by electromagnetic valve with described sewage collecting pipe; Between described second delivery port and described sewage collecting pipe, arrange flow meter, described valve is in opening usually, when flowing exceed particular value by the rainwater of described flow meter in special time, closes described electromagnetic valve; Described particular value corresponds to the flow of early-stage rainwater.