CN102433916A - Method and device for preventing backflow splashing of transverse draining branch pipe located at lowest position of building - Google Patents
Method and device for preventing backflow splashing of transverse draining branch pipe located at lowest position of building Download PDFInfo
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- CN102433916A CN102433916A CN2010102963852A CN201010296385A CN102433916A CN 102433916 A CN102433916 A CN 102433916A CN 2010102963852 A CN2010102963852 A CN 2010102963852A CN 201010296385 A CN201010296385 A CN 201010296385A CN 102433916 A CN102433916 A CN 102433916A
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- pipe
- draining
- discharge pipe
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Abstract
The invention discloses a method and a device for preventing backflow splashing of a transverse draining branch pipe located at the lowest position of a building. The method and the device are characterized in that the lowest end of a draining stand pipe is connected to a draining bend pipe of a discharge pipe through a Y-shaped pipe and a communication pipe is connected between another upper end opening of the Y-shaped pipe and a front end of the discharge pipe, so that when water in the draining stand pipe flows downward, air in the water and air originally existing between the bottom of the draining stand pipe and the discharge pipe are discharged into the front end of the discharge pipe through the communication pipe and the another upper end opening of the Y-shaped pipe and then are discharged to an outdoor space by the discharge pipe with the water discharged after. Through the method and the device, it is effectively avoided that because positive pressure is formed in the pipes located between the draining stand pipe and the discharge pipe, the phenomenon that a backflow splashing of the transverse draining branch pipe located at the lowest position of a building is caused, and thus unobstructed draining is guaranteed. The device has the advantages of simple structure, convenience of construction, easiness of maintenance, low cost, good use effects and excellent function of effectively preventing environmental pollution caused by harmful gas or sewage in a sewer pipe.
Description
Technical field
The present invention relates to a kind of method and device that prevents the horizontal arm generation of building lowest part draining backflow splash, belong to the construction drainage technical field.
Background technology
In the design of construction drainage, the draining of sanitary apparatus enters the horizontal arm of draining earlier, gets into soil stack again, flows to discharge pipe at last and discharges outdoor.In the process of soil stack draining, current are vertical whereabouts and flow, and the drain discharge in the standpipe is ascending to be decreased to zero again; Be interrupted non-uniform flow, in the process that vertically falls, form the compound movement of water and air two media, large amount of sewage enters the horizontal variation that can cause streamflow regime in going out to manage in the short time; Whereabouts sewage is big at soil stack and discharge pipe junction kinetic energy, forms highly big hydraulic jump, even can be full of whole section; Formation is choked water; Adding the former air that is stored between soil stack bottom and the discharge pipe can not flow freely, and pressure rises, and finally forms malleation; Can cause the horizontal arm of draining of lowest part to produce splash or backflow when serious, cause pollution environment through sanitary apparatus or floor drain etc.
At present; Prior art way commonly used is that the horizontal arm of the draining of lowest part is discharged separately; Or between the horizontal arm of the draining of discharge pipe and lowest part, reserve sufficiently high space, when forming malleation with assurance, sanitary apparatus is unlikely to take place to reflux or the splash phenomenon on the horizontal arm of the draining of lowest part.The mode of in the prior art the horizontal arm of the draining of lowest part being discharged separately not only exists has increased the problem of gutter with the complexity that increases outdoor pipe network, but also has increased investment and maintenance cost.And between the horizontal arm of the draining of discharge pipe and lowest part, reserve the mode of enough high spatials, and not only can cause the absolute altitude of discharge pipe to reduce, but also can cause whole pipe network buried depth to increase, can increase problems such as investment and difficulty of construction simultaneously.Simultaneously, not enough if the spatial altitude between the horizontal arm of the draining of discharge pipe and lowest part is considered, still can cause to occur refluxing on the horizontal arm of draining of lowest part or phenomenons such as splash, thereby cause pollution environment.
Summary of the invention
The objective of the invention is: a kind of simple in structure, easy construction, cost is lower, result of use prevents the horizontal arm generation of building lowest part draining backflow splash preferably method and device are provided, to overcome the deficiency of prior art.
The present invention is achieved in that a kind of method that prevents the horizontal arm generation of building lowest part draining backflow splash of the present invention is being connected with drain elbow on the discharge pipe through a Y-piece bottom soil stack; Between the front end of another port of Y-piece and discharge pipe, be connected a cross over pipe more then; Make when current fall in the soil stack; Air in the water and former is stored in the front end that another port and the cross over pipe of air through Y-piece between soil stack bottom and the discharge pipe is discharged to discharge pipe; And be discharged to outdoor through discharge pipe with the current of discharging subsequently; Can avoid effectively and prevent like this in the pipeline between soil stack and discharge pipe forming malleation and make and on the horizontal arm of draining of building lowest part the phenomenon of backflow splash takes place, thereby guarantee the unobstructed of draining.
A kind of device that prevents the horizontal arm generation of building lowest part draining backflow splash that is used for the inventive method; Comprise existing soil stack, the horizontal arm of draining and discharge pipe; Lower end at soil stack is equipped with Y-piece; The lower port of Y-piece is connected with discharge pipe through drain elbow, on another port of Y-piece, is connected with cross over pipe, and the other end of cross over pipe is connected with discharge pipe and communicates.
Above-mentioned cross over pipe is interconnected by one 90 degree bend pipe and one 45 degree bend pipe and straight tube to be formed.
Owing to adopted technique scheme, the present invention can effectively prevent the formation of pipeline malleation through above-mentioned special construction drainage mode, thoroughly eliminates the possibility that backflow or splash phenomenon take place the horizontal arm of building lowest part draining, guarantees the unobstructed of current.The present invention simultaneously can reduce the outlet opening of building effectively, reduces the buried depth of pipeline, reduces the complexity of outdoor pipe network, and reduces cost and difficulty of construction.Therefore, the present invention compared with prior art, that the present invention not only has is simple in structure, easy construction, maintenance are easy to advantage, but also has that cost is low, result of use good, can effectively prevent pernicious gas or the advantage of sewage pollution environment in the sewer pipe.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is existing building drain pipeline structure sketch map.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Embodiments of the invention: when carrying out the drainage construction of building; Processing for the horizontal arm of draining of its lowest part; Adopt a kind of method of the horizontal arm generation of building lowest part draining backflow splash that prevents of the present invention to handle; Be about to being connected with drain elbow 4 on the discharge pipe 3 through a Y-piece 5 bottom of soil stack 1; Between the front end of another port of Y-piece 5 and discharge pipe 3, be connected a cross over pipe 6 more then, so just can make when current fall in the soil stack 1, the air in the water and former is stored in the front end that another port and the cross over pipe 6 of air through Y-piece 5 between soil stack 1 bottom and the discharge pipe 3 is discharged to discharge pipe 3; And be discharged to outdoor through discharge pipe 3 with the current of discharging subsequently; Can avoid effectively and prevent in this way forming malleation in the pipeline between soil stack 1 and discharge pipe 3, thereby prevent effectively to take place on the horizontal arm 2 of draining of building lowest part to reflux or the phenomenon of splash produces, guarantee the unobstructed of draining.
When embodiment of the present invention a kind of prevents the device of the horizontal arm generation of building lowest part draining backflow splash; Its soil stack 1, the horizontal arm 2 of draining and discharge pipe 3 are conventional device; And install the horizontal arm 2 of draining of lowest part by usual manner after, in the lower end of soil stack 1 Y-piece 5 is installed, Y-piece 5 can directly adopt the finished product of selling on the existing market; The lower port of Y-piece 5 is connected with discharge pipe 3 through drain elbow 4; Drain elbow 4 is the 90 degree bend pipes of usually installing on the discharge pipe 3, on another port of Y-piece 5, connects a cross over pipe 6 then, and the other end of cross over pipe 6 is connected with the front end of discharge pipe 3 communicates.Cross over pipe 6 can be a curve bend; Or cross over pipe 6 is made into by one 90 degree bend pipe 6.1 spends bend pipe 6.2 and 3 straight tubes 6.3 and interconnect to form and get final product with one 45.
Claims (3)
1. method that prevents the horizontal arm generation of building lowest part draining backflow splash; It is characterized in that: with being connected with drain elbow (4) on the discharge pipe (3) through a Y-piece (5) bottom of soil stack (1); Between the front end of another port of Y-piece (5) and discharge pipe (3), be connected a cross over pipe (6) more then; Make when current fall in the soil stack (1); Air in the water and former is stored in the front end that another port and the cross over pipe (6) of air through Y-piece (5) between soil stack (1) bottom and the discharge pipe (3) is discharged to discharge pipe (3); And be discharged to outdoor through discharge pipe (3) with the current of discharging subsequently; Can avoid and prevent forming in the pipeline between soil stack (1) and discharge pipe (3) malleation so effectively and make the horizontal arm of draining (2) of building lowest part go up the phenomenon that the backflow splash takes place, thereby the assurance draining is unobstructed.
2. device that prevents the horizontal arm generation of building lowest part draining backflow splash; Comprise soil stack (1), the horizontal arm of draining (2) and discharge pipe (3); It is characterized in that: Y-piece (5) is installed in the lower end of soil stack (1); The lower port of Y-piece (5) is connected with discharge pipe (3) through drain elbow (4), on another port of Y-piece (5), is connected with cross over pipe (6), and the other end of cross over pipe (6) is connected with discharge pipe (3) and communicates.
3. the device that prevents the horizontal arm generation of building lowest part draining backflow splash according to claim 2 is characterized in that: cross over pipe (6) is spent bend pipe (6.2) and straight tube (6.3) and is interconnected and form with one 45 by one 90 degree bend pipe (6.1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010296385.2A CN102433916B (en) | 2010-09-29 | 2010-09-29 | Method and device for preventing backflow splashing of transverse draining branch pipe located at lowest position of building |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010296385.2A CN102433916B (en) | 2010-09-29 | 2010-09-29 | Method and device for preventing backflow splashing of transverse draining branch pipe located at lowest position of building |
Publications (2)
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CN102433916A true CN102433916A (en) | 2012-05-02 |
CN102433916B CN102433916B (en) | 2014-10-22 |
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Application Number | Title | Priority Date | Filing Date |
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CN201010296385.2A Expired - Fee Related CN102433916B (en) | 2010-09-29 | 2010-09-29 | Method and device for preventing backflow splashing of transverse draining branch pipe located at lowest position of building |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103438756A (en) * | 2013-08-11 | 2013-12-11 | 山西新泰钢铁有限公司 | Cooler descaling device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2222746Y (en) * | 1995-04-04 | 1996-03-20 | 杜凯 | Return and overflow prevention bend for sewer pipe |
WO2010005372A1 (en) * | 2008-07-09 | 2010-01-14 | Tommy Claesson | A pivotal fitting for indoor sewer systems |
CN201512837U (en) * | 2009-09-14 | 2010-06-23 | 杨俊� | Automatic water-saving gas return sewage system |
CN201794128U (en) * | 2010-09-29 | 2011-04-13 | 贵阳铝镁设计研究院 | Device for avoiding transverse drainage branch pipe at the lowest position of building from reflowing and spraying |
-
2010
- 2010-09-29 CN CN201010296385.2A patent/CN102433916B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2222746Y (en) * | 1995-04-04 | 1996-03-20 | 杜凯 | Return and overflow prevention bend for sewer pipe |
WO2010005372A1 (en) * | 2008-07-09 | 2010-01-14 | Tommy Claesson | A pivotal fitting for indoor sewer systems |
CN201512837U (en) * | 2009-09-14 | 2010-06-23 | 杨俊� | Automatic water-saving gas return sewage system |
CN201794128U (en) * | 2010-09-29 | 2011-04-13 | 贵阳铝镁设计研究院 | Device for avoiding transverse drainage branch pipe at the lowest position of building from reflowing and spraying |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103438756A (en) * | 2013-08-11 | 2013-12-11 | 山西新泰钢铁有限公司 | Cooler descaling device |
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CN102433916B (en) | 2014-10-22 |
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Granted publication date: 20141022 Termination date: 20150929 |
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