CN204418134U - A kind of full overflow eddy flow row spiral shell device - Google Patents
A kind of full overflow eddy flow row spiral shell device Download PDFInfo
- Publication number
- CN204418134U CN204418134U CN201520051593.4U CN201520051593U CN204418134U CN 204418134 U CN204418134 U CN 204418134U CN 201520051593 U CN201520051593 U CN 201520051593U CN 204418134 U CN204418134 U CN 204418134U
- Authority
- CN
- China
- Prior art keywords
- water inlet
- spiral shell
- spiral
- inlet pipe
- spiral flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of full overflow eddy flow row spiral shell device, comprise inclined water inlet pipe, spiral flow device, bypass channel, row's screwed pipe.Described inclined water inlet pipe comprises inclined water inlet pipe pressure conduit and the inclined water inlet pipe Emergency Gate that is arranged in inclined water inlet pipe pressure conduit and inclined water inlet pipe regulating gate.The spiral flow funnel that described spiral flow device comprises spiral flow cylindricality bucket and is tightly connected with spiral flow cylindricality bucket, the lower sides of spiral flow cylindricality bucket offers the water inlet be communicated with inclined water inlet pipe pressure conduit, spiral flow cylindricality bucket top adopts all-round 360 ° of overflow patterns, and the current overflowed directly enter the bypass channel being located at described spiral flow device periphery.The advantages such as the utility model has that floor space is little, row's spiral shell efficiency high, unpowered gravity flow, device construction are simple, are adapted at vast Schistosomiasis Epidemic large-scale promotion application.
Description
Technical field
The utility model relates to water conservancy prevention and cure of schistosomiasis technical field, specifically a kind of full overflow eddy flow row spiral shell device.
Background technology
Snail fever is serious harm body health of people and life security, the serious infectious diseases affecting epidemic-stricken area socio-economic development, and its appeal is strong, and propagate link many, Epidemic Scope is wide.Oncomelania is the maximum pathogeny carrier of blood fluke, is bilharzial unique intermediate host, facts have proved, controls oncomelania spread and effectively can block the spread and epidemic of snail fever in locality.Water conservancy prevention and cure of schistosomiasis engineering refers in hydraulic engineering to be anti-spiral shell, go out spiral shell and the engineering measure taked.Over more than 50 year, Schistosomiasis Epidemic is in conjunction with hydraulic engineering constructions such as dike construct, the regulation of lake, river, culverts and water gates transformation, Canal System Construction, drinking-water and Small Watershed Management, take various water conservancy prevention and cure of schistosomiasis measure, change oncomelania living environment, prevent Oncomelania Snails from spreading, reduce schistosomiasis infection probability, obtain very large achievement, have accumulated rich experience.
Along with expanding economy, also increasing to the demand of water resource, get more and more across basin and interregional water transfer, diversion works water diversion also progressively increases, considerably increase oncomelania from epidemic-stricken area to the risk that Pest-or disease-free area spreads, how taking effective measure to prevent oncomelania from being spread by diversion works is also one of water conservancy prevention and cure of schistosomiasis problem that must solve.The water conservancy prevention and cure of schistosomiasis engineering measure in the past especially resistance such as snail sedimentation tank and middle layer water withdrawal spiral shell technology has played important effect at control oncomelania by culverts and water gates diffusion, but the conventional measure such as snail sedimentation tank and middle layer water withdrawal to there is floor space wide, the problem that fund input is large, and the restriction of the factor such as topography and geomorphology and hydrologic condition of being subject to, the benefit of engineering is difficult to be not fully exerted, and the new technology and method being therefore badly in need of research control culverts and water gates and channel oncomelania spread adapts to the demand of new situations.
Eddy flow sand discharge technology can be divided into scroll sand discharge, strong spiral flow sand discharge funnel, other hydrocyclones etc. according to different form of structure.Spiral flow sand discharge utilizes the spiral flow produced in facility to get rid of diversion to carry out husky a kind of technology.The oncomelania characteristics of motion and rule of sediment movement have certain similitude, and eddy flow row spiral shell technology, is the principle using for reference eddy flow sand discharge, by spiral flow, water is separated with oncomelania.Current domestic correlative study mainly concentrates on spiral flow sand discharge technical elements, not yet has about spiral flow row spiral shell relation technological researching.
Patent that applicant disclosed in 2014 " a kind of semi-open type eddy flow row spiral shell device ", this utility model utilizes eddy flow to arrange spiral shell principle, and realizing epidemic-stricken area has the water spiral shell of spiral shell water body to be separated.Based on the test effect analysis and summary to semi-open type eddy flow row spiral shell model, the utility model has carried out the important improvement of two aspects to semi-open type eddy flow row spiral shell device: one is change the water inlet pipe in semi-open type eddy flow row spiral shell device into inclined water inlet pipe by horizontal water inflow pattern, water inlet current and the oncomelania that carries thereof is made to have certain descending initial velocity on vertical, be conducive to suppressing oncomelania to overflow with outstanding on turbulent flow, improve oncomelania separative efficiency; Two is change the delivery port of 90 ° in semi-open type eddy flow row spiral shell device into 360 ° of all-round overflow patterns, both the discharge capacity of device had been added, promote design maximum flow, greatly improve again the water flow structure of 90 ° of delivery ports in original device, solve delivery port current concentrate, flow velocity problems of too, eliminate and choke water " bulge " phenomenon, smooth-going stable water flow structure effectively inhibits outstanding on oncomelania spilling, improves oncomelania separative efficiency.
Utility model content
It is little that technical problem to be solved in the utility model is to provide a kind of floor space, combining efficient, energy-conservation, full overflow eddy flow row spiral shell device easily, by manually arranging spiral flow, oncomelania will be realized containing oncomelania epidemic disease water by spiral flow device to be separated with water body, improve the discharge capacity of oncomelania separative efficiency and increase device.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of full overflow eddy flow row spiral shell device, comprises inclined water inlet pipe, spiral flow device, bypass channel, row's screwed pipe,
Described inclined water inlet pipe comprises inclined water inlet pipe pressure conduit and the inclined water inlet pipe Emergency Gate that is arranged in inclined water inlet pipe pressure conduit and inclined water inlet pipe regulating gate;
The spiral flow funnel that described spiral flow device comprises spiral flow cylindricality bucket and is tightly connected with spiral flow cylindricality bucket, the lower sides of spiral flow cylindricality bucket offers the water inlet be communicated with inclined water inlet pipe pressure conduit, water inlet flow direction be spiral flow cylindricality bucket tangent line slightly in downward direction, spiral flow its lower portion arranges the opening be communicated with row's screwed pipe, spiral flow cylindricality bucket top adopts all-round 360 ° of overflow patterns, and the current overflowed directly enter the bypass channel being located at described spiral flow device periphery.
Further, described bypass channel is made up of bypass channel annular bottom plate and bypass channel cylindricality bucket, bypass channel annular bottom plate is 360 ° of annulars, be in tilted layout, inward flange elevation and compact siro spinning technology concordant with spiral flow cylindricality bucket bottom, outward flange and compact siro spinning technology bypass channel cylindricality bucket, bypass channel cylindricality bucket crest level is a little more than spiral flow cylindricality bucket crest level, and set out the mouth of a river, delivery port open height is consistent with bypass channel cylindricality bucket, the pipeline of inclined water inlet pipe pressure conduit is imported and exported differential water pressures and is greater than the water surface and water inlet water-head in spiral flow device, inclined water inlet pipe pressure conduit gradient is consistent with the gradient of spiral flow funnel.
Further, the delivery port scope on bypass channel cylindricality bucket covers inclined water inlet pipe pressure conduit and water inlet completely.
Further, spiral flow Funnel diameter and spiral flow cylindricality bucket equal diameters, the gradient of spiral flow funnel is between 1:10 ~ 1:5.
Further, also comprise collection spiral shell tank and effluent trough,
Described collection spiral shell tank by collect spiral shell tank energy dissipator, collection screw channel, Ji Luogou and collection spiral shell tank overflow weir form, collection screw channel connects with row's screwed pipe, collection spiral shell tank energy dissipator is arranged on collection screw channel front end, Ji Luogou to be arranged in collection screw channel bottom rear end, setting direction is collection screw channel cross-sectional direction, for the oncomelania of collecting precipitation, collection spiral shell tank overflow weir is arranged on collection screw channel tail end;
Described effluent trough is made up of holding groove, effluent trough Emergency Gate, effluent trough energy dissipator, tank, effluent trough overflow weir, holding groove front end is connected with the delivery port height incorrect bit of bypass channel cylindricality bucket, be positioned at below bypass channel annular bottom plate, for accept bypass channel cylindricality bucket water outlet overflow without oncomelania current, holding groove tail end is connected with tank, effluent trough Emergency Gate is arranged in the middle part of holding groove, tank front end connects with holding groove tail end, effluent trough energy dissipator is arranged on tank front end, and effluent trough overflow weir is arranged on tank tail end.
Further, screw channel and sink structure form is integrated as open channel.
Further, the form of structure collecting spiral shell tank energy dissipator and effluent trough energy dissipator is common shutter board or drift plank.
Further, collecting spiral shell ditch furrow width is 0.1 ~ 0.3m.
Further, spiral shell tank overflow weir structure form is integrated as triangular-notch weir or broad crested weir.
The utility model has the advantage of: floor space is little, high, the unpowered gravity flow of row's spiral shell efficiency, device construction are simple.This device utilizes spiral flow device to realize oncomelania and is separated with water body dynamic process, compared with traditional oncemelania-free intake engineerings such as snail sedimentation tank, with saving floor space more than 85% under flow, to provide convenience condition for realizing large discharge oncemelania-free intake.
This device is different in nature according to the bulk density difference of oncomelania and water, utilize spiral flow centrifugal principle, oncomelania relatively large for unit weight is concentrated on spiral flow funnel bottom, discharge from together with few part water body through arranging screwed pipe, most water body is then overflowed by the all-round delivery port on spiral flow cylindricality bucket top, as can safe utilization enter effluent trough without spiral shell water body.This device utilizes streaming potential, makes water body pass through gravity flow and forms spiral flow, can realize oncomelania be separated with water body without the need to other dynamic actions.This apparatus structure is simple, and between each building block structure and parts, connected mode is very clear, and device construction and installation are very simple, are adapted at vast Schistosomiasis Epidemic large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model full overflow eddy flow row spiral shell device;
Fig. 2 is the elevation of the utility model full overflow eddy flow row spiral shell device;
Fig. 3 is the lateral view of the utility model full overflow eddy flow row spiral shell device.
In figure: 1-inclined water inlet pipe pressure conduit, 2-inclined water inlet pipe Emergency Gate, 3-inclined water inlet pipe regulating gate, 4-water inlet, 5-spiral flow cylindricality bucket, 6-spiral flow funnel, 7-bypass channel annular bottom plate, 8-bypass channel cylindricality bucket, 9-row screwed pipe pressure conduit, 10-row screwed pipe Emergency Gate, 11-row screwed pipe regulating gate, 12-collection spiral shell tank energy dissipator, 13-collection screw channel, 14-Ji Luogou, 15-collection spiral shell tank overflow weir, 16-holding groove, 17-effluent trough Emergency Gate, 18-effluent trough energy dissipator, 19-tank, 20-effluent trough overflow weir.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
Figure 1 shows that the structural representation of the utility model full overflow eddy flow row spiral shell device, described full overflow eddy flow row spiral shell device comprises inclined water inlet pipe, spiral flow device, bypass channel, row's screwed pipe, collection spiral shell tank and effluent trough.
Described inclined water inlet pipe comprises inclined water inlet pipe pressure conduit 1 and the inclined water inlet pipe Emergency Gate 2 that is arranged in inclined water inlet pipe pressure conduit 1 and inclined water inlet pipe regulating gate 3.Described inclined water inlet pipe pressure conduit 1 material can be common steel tube, prefabricated reinforced concrete pipe or cast-in-situ reinforced concrete pipe.Inclined water inlet pipe regulating gate 3 is for controlling the uninterrupted being entered spiral flow device by inclined water inlet pipe.Inclined water inlet pipe Emergency Gate 2 for pipe dredging and maintenance, before being arranged in inclined water inlet pipe regulating gate 3.
Described spiral flow device is made up of water inlet 4, spiral flow cylindricality bucket 5 and spiral flow funnel 6.Spiral flow cylindricality bucket 5 material can be general steel plate or cast-in-situ reinforced concrete, and the height of spiral flow cylindricality bucket 5 and diameter are determined according to full overflow eddy flow row spiral shell apparatus design flow scale.Spiral flow funnel 6 is back taper, material can be general steel plate or cast-in-situ reinforced concrete, spiral flow funnel 6 top seals with spiral flow cylindricality bucket 5 and connects, diameter and spiral flow cylindricality bucket 5 equal diameters, the gradient of spiral flow funnel 6 is generally to be advisable between 1:10 ~ 1:5, and concrete value of slope is determined according to full overflow eddy flow row spiral shell apparatus design uninterrupted.Spiral flow funnel 6 bottom arranges opening, and opening diameter size is determined according to full overflow eddy flow row spiral shell apparatus design uninterrupted.Water inlet 4 is positioned at the middle and lower part of spiral flow cylindricality bucket 5, and shape can be set to rectangle, circle or oval, and water inlet flow direction should be spiral flow cylindricality bucket 5 tangent line slightly in downward direction, and water inlet 4 aperture is determined according to stream row spiral shell apparatus design uninterrupted.For ensureing that current enter spiral flow device smoothly, the pipeline of inclined water inlet pipe pressure conduit 1 is imported and exported differential water pressures and need be greater than the water surface and water inlet 4 water-head in spiral flow device, and inclined water inlet pipe gradient equals spiral flow funnel 6 gradient.
Described bypass channel is made up of bypass channel annular bottom plate 7 and bypass channel cylindricality bucket 8, bypass channel annular bottom plate 7 material can be general steel plate or Cast-in-place concrete, be in tilted layout, the gradient is consistent with spiral flow funnel 6, internal diameter is equal with spiral flow cylindricality bucket 5, inward flange elevation and compact siro spinning technology equal with spiral flow cylindricality bucket 5 Bottom Altitude, external diameter is that 1.2 ~ 1.5 times of internal diameter are advisable, compact siro spinning technology bottom outward flange and bypass channel cylindricality bucket 8, bypass channel cylindricality bucket 8 material can be general steel plate or Cast-in-place concrete, bottom and bypass channel annular bottom plate 7 outward flange compact siro spinning technology, be advisable higher than spiral flow cylindricality bucket 5 top 10 ~ 15cm in top, bypass channel cylindricality bucket 5 sets out the mouth of a river, open height is highly consistent with bypass channel cylindricality bucket 8, its delivery port scope need cover inclined water inlet pipe pressure conduit 1 and water inlet 4.
Described row's screwed pipe forms by arranging screwed pipe pressure conduit 9, row's screwed pipe Emergency Gate 10 and row's screwed pipe regulating gate 11.Row's screwed pipe pressure conduit 9 enters collection screw channel 13 for carrying oncomelania and small part water body, material can be common steel tube, prefabricated reinforced concrete pipe or cast-in-situ reinforced concrete pipe, row screwed pipe pressure conduit 9 (as shown in Figure 2) top seals with spiral flow funnel 6 lower openings and connects, internal diameter and spiral flow funnel 6 lower openings equal diameters.Row screwed pipe Emergency Gate 10 row's of being arranged on screwed pipe pressure conduit 9 front end, for pipe dredging and maintenance.The row's of setting screwed pipe regulating gate 11 after row's screwed pipe Emergency Gate 10, for the uninterrupted of the row's of control screwed pipe pressure conduit 9.
Described collection spiral shell tank forms by collecting spiral shell tank energy dissipator 12, collection screw channel 13, collection spiral shell ditch 14 and collection spiral shell tank overflow weir 15.Collection screw channel 13 connects with row's screwed pipe, and material is cast-in-situ reinforced concrete, and form of structure is open channel, and size is determined according to full overflow eddy flow row spiral shell apparatus design uninterrupted.Collection spiral shell tank energy dissipator 12 is arranged on collection screw channel 13 front end, and be convenient to current and tend towards stability fast, protection collects screw channel 13 structural safety and impels oncomelania to sink as early as possible, and the form of structure of collection spiral shell tank energy dissipator 12 can be common shutter board, drift plank etc.Collection spiral shell ditch 14 is arranged in collection screw channel 13 bottom rear end, and setting direction is collection screw channel 13 cross-sectional direction, and for the oncomelania of collecting precipitation, to focus on, collection spiral shell ditch 14 furrow width is advisable with 0.1 ~ 0.3m.Collection spiral shell tank overflow weir 15 is arranged on collection screw channel 13 tail end, and form of structure can be triangular-notch weir, broad crested weir etc., and material according to the demand of specific constructive form, can select general steel plate or cast-in-situ reinforced concrete.
Described effluent trough is made up of holding groove 16, effluent trough Emergency Gate 17, effluent trough energy dissipator 18, tank 19, effluent trough overflow weir 20.Holding groove 16 (as shown in Figure 3) material is cast-in-situ reinforced concrete, form of structure is open channel, holding groove 16 front end is connected with the high incorrect bit of bypass channel annular bottom plate 7, immediately below the delivery port being positioned at bypass channel cylindricality bucket 8, for accept bypass channel cylindricality bucket 8 water outlet overflow without oncomelania current, holding groove 16 tail end is connected with tank 19.Effluent trough Emergency Gate 17 is arranged in the middle part of holding groove 16, is convenient to effluent trough desilting and maintenance.Tank 19 front end connects with holding groove 16 tail end, and material is cast-in-situ reinforced concrete, and form of structure is open channel, and size is determined according to full overflow eddy flow row spiral shell apparatus design uninterrupted.Effluent trough energy dissipator 18 is arranged on tank 19 front end, is convenient to current and tends towards stability fast, protection tank 19 structural safety, and the form of structure of effluent trough energy dissipator 18 can be common shutter board, drift plank etc.Effluent trough overflow weir 20 is arranged on tank 19 tail end, and form of structure can be triangular-notch weir, broad crested weir etc., and material according to the demand of specific constructive form, can select general steel plate or cast-in-situ reinforced concrete.
Claims (9)
1. a full overflow eddy flow row spiral shell device, is characterized in that: comprise inclined water inlet pipe, spiral flow device, bypass channel, row's screwed pipe,
Described inclined water inlet pipe comprises inclined water inlet pipe pressure conduit (1) and the inclined water inlet pipe Emergency Gate (2) that is arranged in inclined water inlet pipe pressure conduit (1) and inclined water inlet pipe regulating gate (3);
The spiral flow funnel (6) that described spiral flow device comprises spiral flow cylindricality bucket (5) and is tightly connected with spiral flow cylindricality bucket (5), the lower sides of spiral flow cylindricality bucket (5) offers the water inlet (4) be communicated with inclined water inlet pipe pressure conduit (1), water inlet flow direction be spiral flow cylindricality bucket (5) tangent line slightly in downward direction, spiral flow funnel (6) bottom arranges the opening be communicated with row's screwed pipe, spiral flow cylindricality bucket (5) top adopts all-round 360 ° of overflow patterns, the current overflowed directly enter the bypass channel being located at described spiral flow device periphery.
2. full overflow eddy flow row spiral shell device as claimed in claim 1, it is characterized in that: described bypass channel is made up of bypass channel annular bottom plate (7) and bypass channel cylindricality bucket (8), bypass channel annular bottom plate (7) is 360 ° of annulars, be in tilted layout, inward flange elevation and compact siro spinning technology concordant with spiral flow cylindricality bucket (5) bottom, outward flange and compact siro spinning technology bypass channel cylindricality bucket (8), bypass channel cylindricality bucket (8) crest level is a little more than spiral flow cylindricality bucket (5) crest level, and set out the mouth of a river, delivery port open height is consistent with bypass channel cylindricality bucket (8), the pipeline of inclined water inlet pipe pressure conduit (1) is imported and exported differential water pressures and is greater than the water surface and water inlet (4) water-head in spiral flow device, inclined water inlet pipe pressure conduit (1) gradient is consistent with the gradient of spiral flow funnel (6).
3. full overflow eddy flow row spiral shell device as claimed in claim 2, is characterized in that: the delivery port scope on bypass channel cylindricality bucket (8) covers inclined water inlet pipe pressure conduit (1) and water inlet (4) completely.
4. full overflow eddy flow row spiral shell device as claimed in claim 1, is characterized in that: spiral flow funnel (6) diameter and spiral flow cylindricality bucket (5) equal diameters, the gradient of spiral flow funnel (6) is between 1:10 ~ 1:5.
5. full overflow eddy flow row spiral shell device as claimed in claim 2, is characterized in that: also comprise collection spiral shell tank and effluent trough,
Described collection spiral shell tank forms by collecting spiral shell tank energy dissipator (12), collection screw channel (13), Ji Luogou (14) and collection spiral shell tank overflow weir (15), collection screw channel (13) connects with row's screwed pipe, collection spiral shell tank energy dissipator (12) is arranged on collection screw channel (13) front end, Ji Luogou (14) is arranged on bottom the middle rear end of collection screw channel (13), setting direction is collection screw channel (13) cross-sectional direction, for the oncomelania of collecting precipitation, collection spiral shell tank overflow weir (15) is arranged on collection screw channel (13) tail end;
Described effluent trough is by holding groove (16), effluent trough Emergency Gate (17), effluent trough energy dissipator (18), tank (19), effluent trough overflow weir (20) forms, holding groove (16) front end is connected with the delivery port height incorrect bit of bypass channel cylindricality bucket (8), be positioned at bypass channel annular bottom plate (7) below, for accept bypass channel cylindricality bucket (8) water outlet overflow without oncomelania current, holding groove (16) tail end is connected with tank (19), effluent trough Emergency Gate (17) is arranged on holding groove (16) middle part, tank (19) front end connects with holding groove (16) tail end, effluent trough energy dissipator (18) is arranged on tank (19) front end, effluent trough overflow weir (20) is arranged on tank (19) tail end.
6. overflow eddy flow row spiral shell device as claimed in claim 5 complete, is characterized in that: integrate screw channel (13) and tank (19) form of structure as open channel.
7. full overflow eddy flow row spiral shell device as claimed in claim 5, is characterized in that: the form of structure of collection spiral shell tank energy dissipator (12) and effluent trough energy dissipator (18) is common shutter board or drift plank.
8. full overflow eddy flow row spiral shell device as claimed in claim 5, is characterized in that: Ji Luogou (14) furrow width is 0.1 ~ 0.3m.
9. full overflow eddy flow row spiral shell device as claimed in claim 5, is characterized in that: integrate spiral shell tank overflow weir (15) form of structure as triangular-notch weir or broad crested weir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051593.4U CN204418134U (en) | 2015-01-26 | 2015-01-26 | A kind of full overflow eddy flow row spiral shell device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051593.4U CN204418134U (en) | 2015-01-26 | 2015-01-26 | A kind of full overflow eddy flow row spiral shell device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204418134U true CN204418134U (en) | 2015-06-24 |
Family
ID=53468518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520051593.4U Active CN204418134U (en) | 2015-01-26 | 2015-01-26 | A kind of full overflow eddy flow row spiral shell device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204418134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983843A (en) * | 2018-07-06 | 2018-12-11 | 浙江大学 | A kind of pressure and the two-way of flow synchronously control make stream device and its make stream method |
-
2015
- 2015-01-26 CN CN201520051593.4U patent/CN204418134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983843A (en) * | 2018-07-06 | 2018-12-11 | 浙江大学 | A kind of pressure and the two-way of flow synchronously control make stream device and its make stream method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104878829B (en) | Anti-clogging inverted siphon sewage pipe system | |
| CN204418134U (en) | A kind of full overflow eddy flow row spiral shell device | |
| CN207760989U (en) | A kind of pump discharges into water system | |
| CN102277894B (en) | Method and facility for getting water through hierarchical guiding and discharging of channel deposits | |
| CN207582618U (en) | A kind of pump discharges into water system | |
| CN105863039A (en) | Transverse floating residue-intercepting device of intercepting well | |
| CN206529750U (en) | A kind of water-conveyance tunnel of utilization reconstruction of diversion tunnel | |
| CN104074175B (en) | A kind of semi-open type eddy flow row spiral shell device | |
| CN203939012U (en) | A kind of semi-open type eddy flow row spiral shell device | |
| CN102261125B (en) | Motorless multifunctional rain and flood control and utilization device | |
| CN110528475A (en) | A kind of hydraulic engineering water intake system | |
| CN202214710U (en) | Overflowing-drainage integrated brake weir | |
| CN105908684A (en) | River water automatic energy dissipation silt pipe | |
| CN206512847U (en) | A kind of rain early-stage split-flow filter | |
| CN205637082U (en) | Take horizontal grid intercepting device's vatch basin | |
| CN205742507U (en) | A kind of integral type rainwater settling pit device | |
| CN210737484U (en) | Water intaking system of hydraulic engineering | |
| CN208501857U (en) | A kind of drainage system that Box-shaped Drainage Culvert is not deposited | |
| CN105019414B (en) | Composite lock chamber structure for narrow water intake of mountain hydropower project | |
| CN103614986A (en) | Free surface flow water inflow method suitable for draining off floodwaters of tailing pond | |
| CN203874515U (en) | Diclinic compound section sand desilting basin capable of desilting and discharging sand simultaneously | |
| CN202222316U (en) | Comprehensive ecological hydraulic snail removal device | |
| CN207680113U (en) | One kind disappears power setting pot | |
| CN205627192U (en) | Inclined pipe precipitation device | |
| CN201850576U (en) | Water intaking facility capable of guiding and draining river sediment in a grading way |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |