CN1888338A - Outdoor buried large-bore oval drain-pipe - Google Patents
Outdoor buried large-bore oval drain-pipe Download PDFInfo
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- CN1888338A CN1888338A CN 200610019658 CN200610019658A CN1888338A CN 1888338 A CN1888338 A CN 1888338A CN 200610019658 CN200610019658 CN 200610019658 CN 200610019658 A CN200610019658 A CN 200610019658A CN 1888338 A CN1888338 A CN 1888338A
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- avette
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- oval drain
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Abstract
The present invention relates to an outdoor buried large-diameter egg-shaped drain pipe for city rainwater and sewage. Its structure is characterized by that the geometric shape of cross-section of pipe inner wall of said drain pipe is egg shape, the ratio value of maximum height H and maximum width B of said egg shape is 1:1.003-2.6.
Description
Technical field
The present invention relates to gutter, particularly relate to a kind of outdoor buried large-bore oval drain-pipe that is used for town rain, sewage.
Background technology
At present, be used for the gutter of town rain, sewage, cross sectional shape is circular in it.The gutter of this kind structure, the load when flowing full is economical, waterpower is calculated simple; But as non-flowing full bury ground gravity drainage Guan Eryan, its circular advantage not only is not in full use, and is easy to precipitated impurities, causes the obstruction of gutter.Along with the continuous development of urban construction, also more and more higher to the technical requirements of drainage pipe, therefore need even more ideal and special-purpose drainage pipe to be applicable to the gravity current conveying of town rain, sewage.
Do not see that now being useful on outdoor large-bore oval drain-pipe road product comes out, and only has Japan to adopt indoor plastics oval drain-pipe.Avette pipe has the width that can dwindle tube seat, and is favourable to the soil pressure of bearing vertical direction; When flow hour degree of filling less than 50%, advantage such as hydraulics is superior.Why does reality think little of since avette pipe has these advantages? trace it to its cause, so what time to have: the one, economic load-carrying ability; The 2nd, determine that avette geometry is difficult for; The 3rd, be limited to manufacture level at that time.
Summary of the invention
Technical problem to be solved by this invention is: a kind of outdoor buried large-bore oval drain-pipe is provided, carries with the gravity current of waste water such as the rainwater that contains impurity that is applicable to cities and towns and sewage.
The present invention solves its technical problem and adopts following technical scheme:
Outdoor buried large-bore oval drain-pipe provided by the invention, its inside pipe wall cross-sectional geometry is avette, and the ratio of this avette maximum height H and Breadth Maximum B is 1: 1.003～2.6.
Outdoor buried large-bore oval drain-pipe provided by the invention, it is used to contain the town rain of impurity, the gravity transfer of sewage, buries and answers the tip when putting vertically downward.
The present invention becomes oval drain-pipe with outdoor buried circular row water pipe, therefore has following main advantage:
One. avette pipe hydraulics is superior: in urban rainwater, sewage gravity current are carried, the degree of filling of pipe design is non-flowing full state, and, the residing degree of filling of water is arranged in a lot of time pipelines below 50%, and avette pipe at degree of filling less than the hydraulic radius of the hydraulic radius that had in 50% o'clock greater than pipe.Therefore, if round tube and avette pipe all have the same gradient (at degree of filling less than 50% o'clock) and the onesize cross-section of river, flow velocity in the then avette pipe is greater than round tube, so just mean that avette pipeline more is difficult for precipitated impurities thing and attachment fiber than circular pipe, promptly the desilting cycle of pipeline is longer.Same reason if round tube and avette pipe have the onesize cross-section of river, all have same flow velocity, the required conduit slope of then avette pipe littler than the round tube (gently).It is more mild promptly to be full of the minimum grade of down non-silting velocity control according to avette pipe minimum of computation, promptly available this gradient go to design laying than round tube more mild bury the avette water pipe of ground draining.Thus, the underground degree of depth of the lift pump room of oval drain-pipe terminal is less than the underground degree of depth of the lift pump room of round tube terminal, so both can save the engineering cost that gutter is laid, and reduces the cost and the day-to-day operation expense of lift pump room again.
They are two years old. avette pipe has better stressed shape: avette is the shape that reptiles, birds life bred selected tool protection in offspring's process in several ten million years, will avettely be used to bury it can resist preferably and be subjected to ground pressure.If the round tube and the avette pipe of identical material and wall thickness, identical cross-sectional area are buried ground, avette Guan Gengneng bears the pressure of soil and produces less distortion, and this numerical value can get according to the unlike material actual measurement.
They are three years old. and can reduce material cost: identical and bear pressure one regularly in material, the pipe thickness of avette pipe will approach than the circular pipe tube wall.Therefore, the structure materials of avette pipe are low in round tube, and material cost is more economical.
They are four years old. market prospects are good: the waterpower of avette pipe and anti-to be subjected to ground pressure condition advantage be clearly, in the past since the bottleneck of conditions such as material, manufacturing and calculating underuse its characteristics and develop abundant avette pipe product.In the epoch that current material science and computer technology are advanced by leaps and bounds, former bottleneck has not existed.Achievement of the present invention and computer, numerical controlled machinery process equipment and various novel material can be utilized, avette pipe product lot quantityization, the marketization can be easily made.Thereby improve the urban sewerage and drainage technology, reduce the cost and the day-to-day operation expense of municipal sewerage engineering.
In a word, the present invention introduces oval geometries in the outdoor buried large-bore gutter, is desirable geometry and intimate perfect combination of burying ground gravity drainage Manifold technology.Outdoor buried large-bore oval drain-pipe is conspicuous in the advantage that improves water discharge technology, economical with materials and construction costs, in case the outdoor buried large-bore oval drain-pipe product comes out, will be subjected to the water supply and sewage work teacher and the urban construction worker payes attention to greatly, and can in market, extensively be used.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
The specific embodiment
One. outdoor buried large-bore oval drain-pipe
1. drain structure:
As shown in the figure, its inside pipe wall 1 cross-sectional geometry is avette, and the ratio of this avette maximum height H and Breadth Maximum B is 1: 1.003～2.6, and it optimizes ratio range is 1: 1.003～1.8, is best with 1: 1.6 generally.
Described gutter, its bore is at least 300mm.
2. oval geometries is definite:
(1) meet the oval curve definition:
Cassinian：
(x
2+y
2)
2-2a
2(x
2-y
2)+a
4-c
4＝0
Descartes：
Circular row water pipe specification has D300, D400 ... or the like, avette pipe specification also correspondingly has L300, L400 ... Deng, avette pipe L300, L400 ... area and round tube D300, D400 ... area suitable.
(2) avette choosing:
Providing an area S just has the circle of a diameter corresponding with it.There have for an area to be numerous avette corresponding with it.These are avette all to have avette characteristics.For avette, the circular row water pipe of same area, the circular row water pipe has bigger hydraulic radius at degree of filling 〉=50%.And avette pipe o'clock just has bigger hydraulic radius at degree of filling≤50%.Which type of avette can be poor unlike circle in the hydraulic radius of degree of filling 〉=50% o'clock, be eager to excel than circular in the hydraulic radius of degree of filling≤50% o'clock again.Do you what condition to determine that avette geometry makes it to be more suitable for outdoor heavy caliber and buries the ground oval drain-pipe with?
Determine that the factor that avette geometry need be considered has: economic load; Can be suitable for bearing the ground pressure of all directions with burying; At different degree of fillings the big hydraulic radius of trying one's best is arranged all.
Comprehensive above Several Factors is chosen by reality test and mathematical theory calculating, science, drafts out the parameter and the shape (see figure 1) of corresponding avette tube section at different circular calibers.The maximum height of avette among the figure (be avette inside pipe wall cross section, the tip is situation vertically downward) is H, and Breadth Maximum is B, and the ratio range of depth-width ratio is between 1.003～2.6.
(3) Hydraulic Calculating Table of avette pipe:
Corresponding different round tube has the Hydraulic Calculating Table of series separately, the Hydraulic Calculating Table that promptly contains flow, flow velocity, degree of filling, the gradient, avette pipe also with corresponding Hydraulic Calculating Table is arranged, the avette pipe product of unlike material is also corresponding to different Hydraulic Calculating Table (roughness coefficient n difference), in table,, can make things convenient for the water supply and sewage work teacher in actual engineering, to design the gradient of more mild buried drain pipe to greatest extent also with the minimum grade of the control of non-silting velocity under the minimum of computation degree of filling.
3. preparation:
Utilize prior art and equipment can produce outdoor buried large-bore oval drain-pipe provided by the invention, for example: the concrete oval drain-pipe, the moulded plastic oval drain-pipe, plastics twine oval drain-pipe, glass fiber reinforced plastic twines oval drain-pipe, and plastics squeeze and draw oval drain-pipe.
In China, the production technology of circular row water pipe and manufacturing equipment be maturation and extensive use very.Kind of tube types mainly contains the concrete pipe that pouring is shaped; The plastic spiral pipe of winding shaping and glass fiber reinforced plastic wind pipe; The crowded plastic pipe and the plastic film capicitor of drawing of pultrusion process; The plastic mould pressing pipe of die forming etc.
The manufacture of oval drain-pipe of the present invention is also similar with it.By different materials and different manufacturing process and equipment, according to the cross section parameter of avette pipe, can prepare: produce the concrete casting mould of oval drain-pipe earlier, just can produce the avette pipe of concrete with traditional casting process again; Produce the steel mould of oval drain-pipe earlier, can produce the moulded plastic oval drain-pipe with the conventional moulded manufacturing process again; Produce avette winding core earlier, can produce avette plastic spiral pipe with traditional plastic pipe Wiring apparatus again, same way also can be produced the avette wind pipe of glass fiber reinforced plastic; Produce avette crowded pull head earlier, utilize traditional plastic pipe ironing apparatus again, just can produce avette plastics and squeeze trombone slide.Special in present computer age, implement above device fabrication and realize than being easier to transformation.
Two. the application of outdoor buried large-bore oval drain-pipe
Be used to contain the town rain of impurity, the gravity transfer of sewage, bury and answer the tip when putting vertically downward.
Claims (6)
1. outdoor buried large-bore gutter, it is characterized in that described gutter, its inside pipe wall cross-sectional geometry is avette, and the ratio of this avette maximum height H and Breadth Maximum B is 1: 1.003～2.6, constitutes outdoor buried large-bore oval drain-pipe thus.
2. outdoor buried large-bore gutter according to claim 1 is characterized in that: outdoor buried large-bore oval drain-pipe, the ratio of maximum height H that it is avette and Breadth Maximum B is 1: 1.003～1.8.
3. outdoor buried large-bore gutter according to claim 2 is characterized in that: outdoor buried large-bore oval drain-pipe, the ratio of maximum height H that it is avette and Breadth Maximum B is 1: 1.6.
4. according to claim 1,2 or 3 described outdoor buried large-bore gutters, it is characterized in that: outdoor buried large-bore oval drain-pipe is the concrete oval drain-pipe, or moulded plastic oval drain-pipe, or plastics twine oval drain-pipe, or glass fiber reinforced plastic winding oval drain-pipe, or the crowded oval drain-pipe that draws of plastics.
5. outdoor buried large-bore gutter according to claim 4 is characterized in that: outdoor buried large-bore oval drain-pipe, its bore is at least 300mm.
6. outdoor buried large-bore oval drain-pipe is used to contain the town rain of impurity, the gravity transfer of sewage, buries and answers the tip when putting vertically downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610019658 CN1888338A (en) | 2006-07-18 | 2006-07-18 | Outdoor buried large-bore oval drain-pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610019658 CN1888338A (en) | 2006-07-18 | 2006-07-18 | Outdoor buried large-bore oval drain-pipe |
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| Publication Number | Publication Date |
|---|---|
| CN1888338A true CN1888338A (en) | 2007-01-03 |
Family
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| CN 200610019658 Pending CN1888338A (en) | 2006-07-18 | 2006-07-18 | Outdoor buried large-bore oval drain-pipe |
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| CN (1) | CN1888338A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159840A (en) * | 2019-06-28 | 2019-08-23 | 康命源（安徽）塑料科技发展股份有限公司 | A kind of automatically cleaning abnormity double-layer structure wall pipe and its installation method |
| CN110185849A (en) * | 2019-06-28 | 2019-08-30 | 康命源（安徽）塑料科技发展股份有限公司 | A kind of automatically cleaning abnormity solid wall pipe and its installation method |
| WO2020259468A1 (en) * | 2019-06-28 | 2020-12-30 | 安徽省生宸源材料科技实业发展股份有限公司 | Self-cleaning special-shaped solid-wall pipe and installation method therefor |
-
2006
- 2006-07-18 CN CN 200610019658 patent/CN1888338A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159840A (en) * | 2019-06-28 | 2019-08-23 | 康命源（安徽）塑料科技发展股份有限公司 | A kind of automatically cleaning abnormity double-layer structure wall pipe and its installation method |
| CN110185849A (en) * | 2019-06-28 | 2019-08-30 | 康命源（安徽）塑料科技发展股份有限公司 | A kind of automatically cleaning abnormity solid wall pipe and its installation method |
| WO2020259468A1 (en) * | 2019-06-28 | 2020-12-30 | 安徽省生宸源材料科技实业发展股份有限公司 | Self-cleaning special-shaped solid-wall pipe and installation method therefor |
| CN110185849B (en) * | 2019-06-28 | 2024-06-07 | 安徽省生宸源材料科技实业发展股份有限公司 | Self-cleaning special-shaped solid wall pipe and installation method thereof |
| CN110159840B (en) * | 2019-06-28 | 2024-06-07 | 安徽省生宸源材料科技实业发展股份有限公司 | Self-cleaning special-shaped double-layer structure wall pipe and installation method thereof |
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Open date: 20070103 |