CN105155634A - Siphon drainge system and improved method thereof - Google Patents
Siphon drainge system and improved method thereof Download PDFInfo
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- CN105155634A CN105155634A CN201510560035.5A CN201510560035A CN105155634A CN 105155634 A CN105155634 A CN 105155634A CN 201510560035 A CN201510560035 A CN 201510560035A CN 105155634 A CN105155634 A CN 105155634A
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Abstract
The siphon drainage system comprises water use equipment 3, a trap 4 provided at the water use equipment 3, and a siphon drain pipe 7 connected to the trap 4, wherein the siphon drain pipe 7 is laid without inclination substantially in parallel with the surface of a slab S and vertically dropped to drain by a head Hs, and the cross-sectional area Dr of a drop-in part R of the siphon drain pipe 7 is made smaller than the cross-sectional area of a portion before drop-in to reduce the siphon starting head Hp.
Description
The application is the applying date is on August 27th, 2007, and application number is 200710147952.6, and denomination of invention is the divisional application of " siphon drainge system and improve one's methods ".
Technical field
The present invention relates to siphon drainge system and improvement thereof, more specifically relate to the improvement that siphon starts head Hp.
Background technology
Drainage system in the past makes gutter mainly utilize the pressure of setting-out to carry out the so-called gradient drainage system of draining with the gradient, for this gradient drainage system, propose siphon drainge system (Japanese Unexamined Patent Publication 2000-297447 publication, Japanese Unexamined Patent Publication 2003-201727 publication), also developed the system that storagetank is set in draining circuit.
Figure 1A, Figure 1B are the figure of the summary representing the siphon drainge system being suitable for apartment, Figure 1A is represent the figure being configured with soil stack 2 in tubular space 1.Watering equipment 3 has trap 4, this trap 4 is connected with drainage pipe 5, and then be connected with siphon drainage pipe 7, siphon drainage pipe 7 is laid on ground floor (slab) S upper (length Lh), and the vertical component effect 7a of siphon drainage pipe is connected with the merging part 2a of soil stack 2 with head difference Hs.Reference numeral 8 is air chimneys.In addition, Figure 1B is figure storagetank 6 being configured in the example between drainage pipe 5 and siphon drainage pipe 7.In addition, Reference numeral 7a is the vertical component effect of siphon drainage pipe 7, and Reference numeral 9 is the through holes formed on ground floor S.
Below, under no problem prerequisite, for the siphon drainge system with storagetank 6 shown in Figure 1B, the present invention is described, certainly, the present invention is equally also applicable to the siphon drainge system without storagetank shown in Figure 1A.When designing the pipe arrangement of this siphon drainge system, there is the management project that two important.
A project to process flow, and another project is the siphon time started.The processed flow of a so-called project, refer to that expression unit interval when siphon drainage pipe all there occurs siphon can process the numeral of how many flows, when this numeral is less than the flow of discharging from utensil, then have little time to process, water can overflow in utensil side.
The siphon time started of another project, to refer to that from utensil draining starts to have the time interval to generation siphon, the siphon time started is exactly time in this time interval.From the state that water becomes in trap, in pipe arrangement, storagetank internal memory that utensil is discharged between this time interval.If this time is long, then can not retain any more, and make water overflow in utensil side before siphon starts.
In above-mentioned siphon drainge system, need to understand fully above-mentioned two problems, the water in siphon drainage pipe flows with becoming flowing full, and attraction when water falls because of head difference Hs acts on the water in gutter, thus produces siphon power, can carry out draining thus.
But, learn in siphon drainge system, importantly to there is siphon start head Hp in the light of recent researches.This is when pushing the pressure of water if not reach the pressure of water level to a certain degree in siphon drainage pipe, then through how long all producing the such phenomenon of siphon.In the system using storagetank, the difference Hp of the water level in siphon drainage tube inlet and storagetank is important factor, and owing to being once discharged in storagetank by draining, the pressure acted on as press-in made the water level in storagetank become siphon startup head Hp.But for storagetank, the configuration space of the accommodation of the storagetank that capacity is as far as possible little diminishes, more satisfactory, therefore, particularly, highly low storagetank creates can not guarantee that siphon starts the situation of the such design of head Hp.
And, also can learn, siphon start head Hp because of various condition (such as, the horizontal tube length of siphon drainage pipe caliber, siphon drainage pipe) difference and different, if it is larger that this siphon starts head Hp, then must increase the longitudinal size of storagetank, during the limited space in face under floor, the region that can construct just is restricted.
Summary of the invention
When carrying out siphon drainage design, need to improve siphon drainge system as follows: according to the numerical value that can process flow and siphon time started both, need to reduce the work that siphon starts head Hp further, thus, the size of storagetank self can be reduced, and its longitudinal size can be limited, and then the region that can construct can be expanded.
1st technical scheme of the present invention is the invention starting head Hp for reducing siphon, it provides improving one's methods of a kind of following siphon drainge system, this siphon drainge system has watering equipment, be arranged on the trap on this watering equipment, the siphon drainage pipe be connected with this trap, this siphon drainage pipe is laid without tilted upward abreast with ground floor surface in fact, and by extending vertically downward and there is head Hs to carry out draining, wherein, the sectional area Dr to lower extension of above-mentioned siphon drainage pipe is less than the sectional area Da to the position before downward-extension, head Hp is started to reduce siphon.
2nd technical scheme of the present invention is to provide a kind of siphon drainge system, this siphon drainge system has watering equipment, the trap be arranged on this watering equipment, the siphon drainage pipe that is connected with this trap, this siphon drainage pipe is laid without tilted upward abreast with ground floor surface in fact, and by extending vertically downward and there is head Hs to carry out draining, wherein, the sectional area Dr to lower extension of above-mentioned siphon drainage pipe is less than the sectional area Da to the position before downward-extension, starts head Hp to reduce siphon.
And, specifically, the inner side caliber of siphon drainage pipe is 15mm ~ 30mm, the sectional area Dr of siphon drainage pipe is 0.95 ~ 0.4 with the ratio Dr/Da of sectional area Da, be preferably 0.8 ~ 0.64, usually, the sectional area Dr of siphon drainage pipe 7 and the section parts shape of sectional area Da are circular.
In the present invention the 1st and the 2nd technical scheme, sectional area Da to the position before downward-extension is less than by making the sectional area Dr to lower extension of siphon drainage pipe, thus reduce siphon startup head Hp, thus, the size of storagetank can be reduced, particularly, by reducing the height of storagetank, thus reduce the configuration space of the accommodation between ground floor and floor, more satisfactory, thus also can extend the length of horizontal tube.
Technical scheme 5 ~ 10 shows the optimum value of the present invention the 1st technical scheme, thus, siphon drainge system can be made to become and be suitable for the system that it arranges building.
Accompanying drawing explanation
Figure 1A is the overall diagram can applying siphon drainge system of the present invention, is the example being configured with soil stack 2 in tubular space.
Figure 1B is the overall diagram can applying siphon drainge system of the present invention, is the example being configured with storagetank between drainage duct and siphon drainage pipe.
Fig. 2 be the siphon drainage pipe 7 representing the present invention the 1st embodiment to the sectional view near lower extension R.
Fig. 3 be the siphon drainage pipe 7 representing the present invention the 2nd embodiment to the sectional view near lower extension R.
Fig. 4 be the siphon drainage pipe 7 representing the present invention the 3rd embodiment to the sectional view near lower extension R.
Fig. 5 be the siphon drainage pipe 7 representing the present invention the 4th embodiment to the sectional view near lower extension R.
Detailed description of the invention
In siphon drainge system, as mentioned above, only the front end of siphon drainage pipe is provided with head Hs, does not produce siphon, if not to the press-in hydraulic pressure to a certain degree of the water effect in siphon drainage pipe, just can not siphon be started.The head being used for the upstream side acting on this press-in hydraulic pressure is called siphon and starts head Hp, make this head little as far as possible, thus reduce capacity and the height of the storagetank that this siphon drainge system has, and then reach that expand can the object of construction area.
And, when the siphon studying the siphon drainge system using storagetank starts head Hp, to find inside siphon drainage pipe that caliber and siphon start head Hp and have much relations, and then completed the present invention.Particularly, in siphon drainge system, by carrying out undergauge at siphon drainage pipe to lower extension R place, thus reduce siphon and start head Hp.Thus, can reduce the size of storagetank itself, and limit its longitudinal size, can realize expansion can construction area.
In addition, in the present invention, so-called undergauge, instigate the sectional area Dr to lower extension R of siphon drainage pipe 7 to be less than sectional area Da to the position before downward-extension, certainly also comprise the inner side caliber that similarly reduces original pipe and reduce its sectional area, but also can comprise and reduce inner side caliber dissimilarly but make non-similarly change of cross sectional shape reduce its sectional area.
Usually, there is shortcoming as follows: if make the inner side caliber of siphon drainage pipe meticulous, then process flow and diminish; If make the inner side caliber of siphon drainage pipe excessively thick, then siphon latens start-up time.Known: to start head Hp to preferably reduce siphon, preferably making caliber inside it be 15mm ~ 30mm, or making the sectional area Dr of siphon drainage pipe 7 be 0.95 ~ 0.4 with the value of the ratio (Dr/Da) of sectional area Da.In addition, usually also can judge, the above-mentioned cross section to lower extension of siphon drainage pipe 7 and the cross section at above-mentioned position before downward-extension are all circular, the effect of undergauge within the 30cm that R part place undergauge has at horizontal part.
embodiment
Below, the present invention is further described by embodiment.
Fig. 2 be represent the present invention the 1st embodiment, particularly represent siphon drainage pipe 7 to the sectional view near lower extension R.Namely, the siphon drainage pipe 7 (sectional area Da) be laid on ground floor S arrives after lower extension R, the lower inner surface in the lower inner surface in the above-mentioned cross section to lower extension R of siphon drainage pipe 7 and the cross section at above-mentioned position before downward-extension carries out undergauge (sectional area Dr) alignedly, makes the vertical component effect 7a of siphon drainage pipe with this sectional area Dr.This example has such feature: be difficult to residual water in siphon drainage pipe 7, and the siphon after can not affecting starts.
Fig. 3 represents the present invention the 2nd embodiment, to the sectional view near lower extension R.In this embodiment, the siphon drainage pipe 7 (sectional area Da) be laid on ground floor S arrives after lower extension R, the upper inside surface in the upper inside surface in the above-mentioned cross section to lower extension R of siphon drainage pipe 7 and the cross section at above-mentioned position before downward-extension carries out undergauge (sectional area Dr) alignedly, makes the vertical component effect 7a of siphon drainage pipe with this sectional area Dr.This example has such feature: the through hole 9 formed on ground floor S is less.
Fig. 4 represents the present invention the 3rd embodiment, to the sectional view near lower extension R.In this embodiment, be laid on siphon drainage pipe 7 (sectional area Da) on ground floor S when arriving to lower extension R, the kernel of section in the kernel of section in the above-mentioned cross section to lower extension R of siphon drainage pipe 7 and the cross section at above-mentioned position before downward-extension as one man carries out undergauge (sectional area Dr), makes the vertical component effect 7a of siphon drainage pipe with this sectional area Dr.In this example embodiment, owing to can directly adopt the joint just had in the past, therefore can be described as more economical structure.
Fig. 5 represents the present invention the 4th embodiment, to the sectional view near lower extension R.In this embodiment, the siphon drainage pipe 7 (sectional area Da) making to be laid on ground floor S arrives to undergauge (sectional area Dr) gradually during lower extension R, makes the vertical component effect 7a of siphon drainage pipe with this sectional area Dr.In this example embodiment, although need special bend pipe, also more successfully draining can be carried out.
In above-mentioned each example, the so-called reducer coupling 10a that diameter shrinkage part can use internal diameter (sectional area) to change, in the example in figure 2, except siphon drainage pipe 7,7a, all the other are all be made up of bend pipe 10b, joint 10c.Certainly, the quantity of its constituent parts can optionally be got, in the example of fig. 5, when making its two ends have joint function at the bend pipe 10b that use makes internal diameter (sectional area) gradually change, the structure be only made up of component except siphon drainage pipe 7,7a is become.In addition, as long as the material that the drainage system such as material metal, plastics of each component is allowed, can choose arbitrarily, but difference according to circumstances, also can come integrally formed component position with blow molding.
experimental example 1 ~ 3
The apartment of experimental example with siphon drainge system as shown in Figure 1B, Hs is 2.5m, Lh is 3m, 4m, 5m, and the inner side caliber of the siphon drainage pipe 7 of Lh part is 20mm, 25mm.
And in experimental example 1 and 2, inner side caliber is respectively 20mm, 25mm, to the cross sectional shape that lower extension R is also identical, in experimental example 3, sectional area Da is 25mm, to lower extension R place undergauge to 20mm (Dr), the inner side caliber in Hs portion is also 20mm.The ratio of the Dr/Da of such experimental example 3 is 0.64.
The measured value (unit: mm) of the Hp in each experimental example is shown in table 1.
Table 1
| Experimental example | Lh＝3m | Lh＝4m | Lh＝5m |
| Experimental example 1 (comparative example 1) | 44 | 48 | 57 |
| Experimental example 2 (comparative example 2) | 41 | 51 | 71 |
| Experimental example 3 (embodiment 1) | 29 | 33 | 47 |
At this, if be described for the situation of Lh=5m, then, when also directly using experimental example 2 of the siphon drainage pipe 7 that inner side caliber is 25mm to lower extension R, (namely siphon starts head Hp, water level in storagetank) be 71mm, and when R portion front place undergauge to 20mm experimental example 3, Hp is 47mm.In addition, be 57mm when all using the siphon drainage pipe of 20mm.
And Lh is that the situation of 3m, 4m also judges that experimental example 3 is most preferably.
experimental example 4 ~ 8
Under the condition of the apartment siphon drainge system different from above-mentioned experimental example, change the ratio of Dr/Da and carried out experimental example 4 ~ 8.The inner side caliber of experimental example 4 is the 20mm of Dr/Da=1, and the inner side caliber of experimental example 5 is the 25mm of Dr/Da=1.And, in experimental example 6, inner side caliber in front of the R portion of siphon drainage pipe 7 is 25mm, the inner side caliber in R portion is 20mm (Dr/Da=0.64), and in experimental example 7, the inner side caliber in front of the R portion of siphon drainage pipe 7 is 20mm, the inner side caliber in R portion is 16mm (Dr/Da=0.64), in experimental example 8, the inner side caliber in front of the R portion of siphon drainage pipe 7 is the inner side caliber in 25mm, R portion is 16mm (Dr/Da=0.41).
The measured value (unit: mm) of the Hp in experimental example 4 ~ 8 is shown in table 2.
Table 2
| Experimental example | Lh＝4m | Lh＝5m | Lh＝6m |
| Experimental example 4 (comparative example 3) | 44.6 | 52.8 | 61.4 |
| Experimental example 5 (comparative example 4) | 54.8 | 60.2 | 65.6 |
| Experimental example 6 (embodiment 2) | 40.6 | 50.0 | 58.6 |
| Experimental example 7 (embodiment 3) | 35.2 | 43.6 | 49.0 |
| Experimental example 8 (embodiment 4) | 33.0 | 38.0 | 53.6 |
Also can learn from above experimental example, the siphon startup head Hp of the side that Dr/Da is little is little.
industry utilizability
In siphon drainge system, reduce sectional area by making the inner side caliber of siphon drainage pipe locate undergauge in front of R portion or its, thus siphon startup head Hp can be reduced, thus, the size of storagetank itself can be reduced, and its longitudinal size can be limited, can construction area be expanded.The degree of freedom of storagetank construction during limited space below floor is also increased.And, even if the effect of undergauge also has draw level pipe concurrently still can reduce the such feature of process flow.
Claims (11)
1. the improving one's methods an of siphon drainge system, this siphon drainge system has watering equipment, the trap be arranged on this watering equipment, the siphon drainage pipe that is connected with this trap, this siphon drainage pipe is laid without tilted upward abreast with ground floor surface in fact, and by extending vertically downward and there is head (Hs) to carry out draining, wherein
Make the sectional area to lower extension of above-mentioned siphon drainage pipe (Dr) be less than sectional area (Da) to the position before downward-extension, start head (Hp) to reduce siphon.
2. the improving one's methods of siphon drainge system according to claim 1, wherein,
Have soil stack, siphon drainage pipe has head (Hs) and is connected with this soil stack.
3. the improving one's methods of siphon drainge system according to claim 1 and 2, wherein,
Storagetank is provided with between siphon drainage pipe and the trap being arranged on watering equipment.
4. the improving one's methods of siphon drainge system according to claim 1, wherein,
The inner side caliber of siphon drainage pipe is 15mm ~ 30mm.
5. the improving one's methods of siphon drainge system according to claim 1, wherein,
The sectional area (Dr) of siphon drainage pipe and the ratio (Dr/Da) of sectional area (Da) are 0.95 ~ 0.4.
6. the improving one's methods of siphon drainge system according to claim 1, wherein,
The shape in the above-mentioned cross section to lower extension of siphon drainage pipe and the cross section at above-mentioned position before downward-extension is circular.
7. the improving one's methods of siphon drainge system according to claim 1, wherein,
The lower inner surface in the above-mentioned cross section to lower extension of siphon drainage pipe is alignd with the lower inner surface in the cross section at above-mentioned position before downward-extension.
8. the improving one's methods of siphon drainge system according to claim 1, wherein,
The upper inside surface in the above-mentioned cross section to lower extension of siphon drainage pipe is alignd with the upper inside surface in the cross section at above-mentioned position before downward-extension.
9. the improving one's methods of siphon drainge system according to claim 1, wherein,
The kernel of section in the above-mentioned cross section to lower extension of siphon drainage pipe is consistent with the kernel of section in the cross section at above-mentioned position before downward-extension.
10. the improving one's methods of siphon drainge system according to claim 1, wherein,
The above-mentioned of siphon drainage pipe is formed to the bend pipe of lower extension by undergauge.
11. 1 kinds of siphon drainge systems, this siphon drainge system has watering equipment, the trap be arranged on this watering equipment, the siphon drainage pipe that is connected with this trap, this siphon drainage pipe is laid without tilted upward abreast with ground floor surface in fact, and by extending vertically downward and there is head (Hs) to carry out draining, wherein
The sectional area to lower extension (Dr) of above-mentioned siphon drainage pipe is less than the sectional area (Da) to the position before downward-extension, starts head (Hp) to reduce siphon.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-230548 | 2006-08-28 | ||
| JP2006230548 | 2006-08-28 | ||
| JP2007-173551 | 2007-06-29 | ||
| JP2007173551A JP5138993B2 (en) | 2006-08-28 | 2007-06-29 | Siphon drainage system |
| CNA2007101479526A CN101135176A (en) | 2006-08-28 | 2007-08-27 | Siphon drainge system and improved method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101479526A Division CN101135176A (en) | 2006-08-28 | 2007-08-27 | Siphon drainge system and improved method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105155634A true CN105155634A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510560035.5A Pending CN105155634A (en) | 2006-08-28 | 2007-08-27 | Siphon drainge system and improved method thereof |
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| Country | Link |
|---|---|
| JP (1) | JP5138993B2 (en) |
| CN (1) | CN105155634A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110337517A (en) * | 2017-02-24 | 2019-10-15 | 株式会社普利司通 | Drain structure and siphon drainge system |
| CN110607823A (en) * | 2018-06-14 | 2019-12-24 | 株式会社普利司通 | Siphon drainage structure |
| CN110857575A (en) * | 2018-08-22 | 2020-03-03 | 株式会社普利司通 | Drainage structure and siphon drainage system |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5305957B2 (en) * | 2009-02-06 | 2013-10-02 | 五洋建設株式会社 | Suction force generator and vacuum consolidation ground improvement method |
| JP5388193B2 (en) * | 2009-06-25 | 2014-01-15 | 五洋建設株式会社 | Suction force generator and vacuum consolidation ground improvement method |
| JP5794707B2 (en) * | 2013-05-17 | 2015-10-14 | 五洋建設株式会社 | Suction force generator and vacuum consolidation ground improvement method |
| JP6585900B2 (en) * | 2015-02-16 | 2019-10-02 | 積水化学工業株式会社 | Sewage drainage system |
| JP6705627B2 (en) * | 2015-07-31 | 2020-06-03 | 株式会社ブリヂストン | Siphon drainage system |
| JP6742193B2 (en) * | 2016-08-12 | 2020-08-19 | 株式会社ブリヂストン | Siphon drainage system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5992786U (en) * | 1982-12-13 | 1984-06-23 | 東陶機器株式会社 | Sewage conveyance equipment |
| JPH0642019A (en) * | 1992-07-23 | 1994-02-15 | Sekisui Chem Co Ltd | Drainage piping system |
| JPH0978651A (en) * | 1995-09-09 | 1997-03-25 | Toto Ltd | Overflow preventive device for bathtub |
| JP2003201727A (en) * | 2003-02-03 | 2003-07-18 | Bridgestone Corp | Building drainage system |
| JP2006336422A (en) * | 2005-06-06 | 2006-12-14 | Bridgestone Corp | Elbow joint |
-
2007
- 2007-06-29 JP JP2007173551A patent/JP5138993B2/en active Active
- 2007-08-27 CN CN201510560035.5A patent/CN105155634A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110337517A (en) * | 2017-02-24 | 2019-10-15 | 株式会社普利司通 | Drain structure and siphon drainge system |
| CN110337517B (en) * | 2017-02-24 | 2021-03-12 | 株式会社普利司通 | Drainage structure and siphon drainage system |
| CN110607823A (en) * | 2018-06-14 | 2019-12-24 | 株式会社普利司通 | Siphon drainage structure |
| CN110857575A (en) * | 2018-08-22 | 2020-03-03 | 株式会社普利司通 | Drainage structure and siphon drainage system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5138993B2 (en) | 2013-02-06 |
| JP2008082153A (en) | 2008-04-10 |
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