CN203874515U - Diclinic compound section sand desilting basin capable of desilting and discharging sand simultaneously - Google Patents
Diclinic compound section sand desilting basin capable of desilting and discharging sand simultaneously Download PDFInfo
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- CN203874515U CN203874515U CN201420305413.6U CN201420305413U CN203874515U CN 203874515 U CN203874515 U CN 203874515U CN 201420305413 U CN201420305413 U CN 201420305413U CN 203874515 U CN203874515 U CN 203874515U
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- desilting
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- sand
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Abstract
The utility model discloses a diclinic compound section sand desilting basin capable of desilting and discharging sand simultaneously. The diclinic compound section sand desilting basin comprises a desilting basin body which sequentially comprises a wide and shallow sand desilting zone, a transition zone and a deep groove scouring zone from left to right; the upstream sides of the transition zone and the deep groove scouring zone are communicated with a diversion canal, and the downstream sides of the transition zone and the deep groove scouring zone are communicated with a sand discharging channel; the downstream side of the wide and shallow sand desilting zone is communicated with a water supply channel; a base plate of the deep groove scouring zone is of a structure which inclines to the downstream side longitudinally and is horizontal in the transverse direction; a base plate of the transition zone is of a structure which inclines to the downstream side longitudinally and inclines towards the deep groove scouring zone in the transverse direction; a base plate of the wide and shallow sand desilting zone is of a structure which inclines towards the downstream side longitudinally and inclines towards the transition zone in the transverse direction. The diclinic compound section sand desilting basin has the advantages that sand desilting and discharge are carried out by the same basin simultaneously by utilizing great difference of flow speeds of different zones of a compound cross section on the basis of the natural river and silt beach notching principle and; slit is treated by virtue of hydraulic power; auxiliary silt removing facility layout is prevented; the running expense and land for removing silt are reduced.
Description
Technical field
The utility model relates to the one-level diversion silt treatment system of natural rocky water head site, especially relates to and possesses simultaneously diclinic compound cross-section settling pit heavy, sand discharge function.
Background technology
Along with industrialized development, water conservancy and hydropower and water supply project distribute more and more wider, and engineering, taking natural river as water head site, ensures water demand, needs the silt in diversion to process simultaneously.At present, the intake taking natural river as water head site adopts settling pit hydrostatic desilting more, and desilting form is divided into intermittently washes away and sluicing continuously.Settling pit entirety is rectangular cross section, and Parallel to the flow direction has unidirectional longitudinal gradient to fall.Flume, settling pit, feeding conduit, sand discharge road, control lock and combine utilization, get and arrange clearly turbidly, and silt more than the design particle diameter of precipitation is again entered to river course or regularly clears out.For the discontinuous engineering that supplies water, take intermittent sand discharge, settling pit is arranged as single entry rectangular cross section, exists shoal materials to wash away not thoroughly, need regular indirect labor's desilting, silt carrying, account for the problems such as pressure; For the continuous engineering of water supply requirement, take continuity sand surfing, settling pit is arranged as complicated section bottom outlet sand discharge, and water leg is established on upper strata, complex structure, the problem that have the easy silting of bottom hole for sand flushing, difficult clean, construction cost is high.
In recent years, the research of settling pit is lived in water-saving irrigation undersize item fertile, when achievement in research and paper, has issue, but for compared with the processing of large-engineering intake one-level silt, possess desilting, the two-in-one settling pit of operation simultaneously of sand discharge yet there are no all reports.
Summary of the invention
The utility model object is to provide a kind of diclinic compound cross-section settling pit of heavy, sand discharge function simultaneously that possesses.
For achieving the above object, the utility model is taked following technical proposals:
Described in the utility model possess simultaneously diclinic compound cross-section settling pit heavy, sand discharge function, comprises heavy pond body, and described pond body is divided into successively from left to right wide shallow desilting zone, transition region, deep trouth and washes away district; The upstream side that described transition region and deep trouth wash away district is connected with flume and downstream is connected with sand discharge road, and the downstream of described wide shallow desilting zone is connected with feeding conduit; Deep trouth washes away the base plate in district for longitudinally rolling tiltedly along transverse horizontal structure downstream; The base plate of transition region is for longitudinally rolling downstream tiltedly along laterally washing away district's incline structure to deep trouth; The base plate of wide shallow desilting zone is for longitudinally rolling downstream oblique edge laterally to transition region incline structure; Described wide shallow desilting zone base plate is along being laterally less than described transition region base plate to the angle of inclination of transition region along laterally washing away to deep trouth the angle that district tilts; Described wide shallow desilting zone base plate longitudinally rolls downstream oblique angle and is less than deep trouth and washes away district's base plate and longitudinally roll downstream oblique angle; The base plate that described wide shallow desilting zone, transition region, deep trouth wash away district is connected successively mutually.
The opening that described wide shallow desilting zone is connected with described feeding conduit is positioned at the pool wall position of its downstream away from described transition region one side, and one section of pool wall that wide shallow desilting zone is positioned at upstream is arcuate structure and is connected mutually with the corresponding sidewall of described flume.
The utility model advantage is to use for reference natural river silt beach jet-bedding principle, has changed the traditional single rectangular section structure of settling pit body, utilizes the larger difference of compound cross-section zones of different flow velocity, with pond sink simultaneously, sand discharge, a pond is dual-purpose; By the setting of base plate inclined in two-way angle is reached to desilting and sand surfing function division, coordinate desilting and the contradiction of sand surfing to the different requirements of water velocity, waterpower sand discharge in time, thoroughly, has reduced manual operation, and it is convenient to manage.The each function division of the present invention is clear and definite, and structural configuration is simple and clear, and silt is processed and relied on waterpower to complete completely, has avoided auxiliary desilting facility configuration, has reduced operating cost and the shared soil of desilting silt.
Brief description of the drawings
Fig. 1 is plane arrangement structure schematic diagram of the present utility model.
Fig. 2 is that the I-I of Fig. 1 is to section structure for amplifying schematic diagram.
Fig. 3 be wide shallow desilting zone described in the utility model and deep trouth wash away district's base plate from upstream side the vertical structure schematic diagram to downstream.
Detailed description of the invention
As shown in Figure 1, 2, 3, described in the utility model possess simultaneously diclinic compound cross-section settling pit heavy, sand discharge function, comprises heavy pond body, and described pond body is divided into successively from left to right wide shallow desilting zone 1, transition region 2, deep trouth and washes away district 3; The upstream side that described transition region 2 and deep trouth wash away district 3 is connected with the delivery port of flume 4 and downstream is connected with the water inlet in sand discharge road 5, and the downstream of described wide shallow desilting zone 1 is connected with feeding conduit 6; Deep trouth washes away the base plate 7 in district 3 for longitudinally rolling tiltedly along transverse horizontal structure downstream; The base plate 8 of transition region 2 is for longitudinally rolling downstream tiltedly along laterally washing away district's 3 incline structures to deep trouth; The base plate 9 of wide shallow desilting zone 1 is for longitudinally rolling downstream oblique edge laterally to transition region 2 incline structures; The base plate 9 of described wide shallow desilting zone 1 is along the base plate 8 that is laterally less than described transition region 2 to the angle of inclination of transition region 2 along laterally washing away to deep trouth the angle that district 3 tilts; The base plate 9 of described wide shallow desilting zone 1 longitudinally rolls downstream oblique angle and is less than the base plate 7 that deep trouth washes away district 3 and longitudinally rolls downstream oblique angle; The base plate 7 that the base plate 9 of described wide shallow desilting zone 1, the base plate 8 of transition region 2, deep trouth wash away district 3 is connected successively mutually.The opening that wide shallow desilting zone 1 is connected with described feeding conduit 6 is positioned at pool wall 10 positions of its downstream away from described transition region 2 one sides, and one section of pool wall 11 that wide shallow desilting zone 1 is positioned at upstream is arcuate structure and is connected mutually with the corresponding sidewall 12 of described flume 4.
The utility model operation principle is summarized as follows:
The current that enter pond body are divided into San Ge district, and wide shallow desilting zone 1, transition region 2 and deep trouth wash away district 3.Utilization enters wide shallow desilting zone 1 low speed water desilting hydrostatic, transfer to deep trouth by the silt that will sink along the base plate 9 laterally tilting to transition region 2 simultaneously and wash away district 3, the flow rate of water flow washing away in district 3 due to deep trouth makes more greatly sediment carrying capacity good general silt pour sand discharge road 5, and clear water is comforted oneself in the 1 downstream introducing feeding conduit 6 of shallow desilting zone, realize a pond dual-purpose, realize two kinds of functions of desilting and sand surfing simultaneously.
According to the size of flume 4 inflow-rate of water turbines under design conditions, sand discharge road 5 inflow-rate of water turbines, feeding conduit 6 inflow-rate of water turbines, according to need precipitation sediment grain size, silt content requirement, design wide shallow desilting zone 1, transition region 2 and deep trouth and wash away district's 3 physical dimensions.The overcurrent cross sectional area of wide shallow desilting zone 1 and the longitudinal gradient of base plate 9 fall, and should meet feeding conduit 6 inflow-rate of water turbines, and wide shallow desilting zone 1 flow velocity sediment carrying capacity is less than the minimum sediment grain size of design precipitation, are convenient to sediment deposition; Base plate 9 lateral gradients meet design precipitation silt minimum grain size unstability and slide, and make to precipitate silt and wash away district 3 to transition region 2, deep trouth and carry.
Deep trouth washes away the overcurrent cross sectional area of district 3 and transition region 2 and the longitudinal gradient of base plate 7 falls, meet the inflow-rate of water turbine in sand discharge road 5, and deep trouth washes away district 3 and transition region 2 flow velocity sediment carrying capacities are not less than the maximum precipitation of design sediment grain size, and silt is thoroughly washed away, and enters sand discharge road 5 and discharges.
Claims (2)
1. possess simultaneously a diclinic compound cross-section settling pit heavy, sand discharge function, comprise heavy pond body, it is characterized in that: described pond body is divided into successively from left to right wide shallow desilting zone, transition region, deep trouth and washes away district; The upstream side that described transition region and deep trouth wash away district is connected with flume and downstream is connected with sand discharge road, and the downstream of described wide shallow desilting zone is connected with feeding conduit; Deep trouth washes away the base plate in district for longitudinally rolling tiltedly along transverse horizontal structure downstream; The base plate of transition region is for longitudinally rolling downstream tiltedly along laterally washing away district's incline structure to deep trouth; The base plate of wide shallow desilting zone is for longitudinally rolling downstream oblique edge laterally to transition region incline structure; Described wide shallow desilting zone base plate is along being laterally less than described transition region base plate to the angle of inclination of transition region along laterally washing away to deep trouth the angle that district tilts; Described wide shallow desilting zone base plate longitudinally rolls downstream oblique angle and is less than deep trouth and washes away district's base plate and longitudinally roll downstream oblique angle; The base plate that described wide shallow desilting zone, transition region, deep trouth wash away district is connected successively mutually.
2. possesses according to claim 1 simultaneously diclinic compound cross-section settling pit heavy, sand discharge function, it is characterized in that: the opening that described wide shallow desilting zone is connected with described feeding conduit is positioned at the pool wall position of its downstream away from described transition region one side, one section of pool wall that wide shallow desilting zone is positioned at upstream is arcuate structure and is connected mutually with the corresponding sidewall of described flume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420305413.6U CN203874515U (en) | 2014-06-10 | 2014-06-10 | Diclinic compound section sand desilting basin capable of desilting and discharging sand simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420305413.6U CN203874515U (en) | 2014-06-10 | 2014-06-10 | Diclinic compound section sand desilting basin capable of desilting and discharging sand simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203874515U true CN203874515U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420305413.6U Withdrawn - After Issue CN203874515U (en) | 2014-06-10 | 2014-06-10 | Diclinic compound section sand desilting basin capable of desilting and discharging sand simultaneously |
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| CN (1) | CN203874515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043269A (en) * | 2014-06-10 | 2014-09-17 | 黄河勘测规划设计有限公司 | Diclinic compound fracture surface sand desilting basin with sand desilting and discharging functions |
| CN106731047A (en) * | 2017-03-01 | 2017-05-31 | 三峡大学 | A kind of grating type desilting device |
-
2014
- 2014-06-10 CN CN201420305413.6U patent/CN203874515U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043269A (en) * | 2014-06-10 | 2014-09-17 | 黄河勘测规划设计有限公司 | Diclinic compound fracture surface sand desilting basin with sand desilting and discharging functions |
| CN106731047A (en) * | 2017-03-01 | 2017-05-31 | 三峡大学 | A kind of grating type desilting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141015 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |