CN212271097U - Combined hydraulic rectifying device under ultralow water level of pump station water inlet pool - Google Patents
Combined hydraulic rectifying device under ultralow water level of pump station water inlet pool Download PDFInfo
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- CN212271097U CN212271097U CN202020633539.1U CN202020633539U CN212271097U CN 212271097 U CN212271097 U CN 212271097U CN 202020633539 U CN202020633539 U CN 202020633539U CN 212271097 U CN212271097 U CN 212271097U
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- forebay
- filter
- pump station
- pool
- water level
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000001914 filtration Methods 0.000 claims description 26
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 8
- 241000196171 Hydrodictyon reticulatum Species 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 3
- 239000010813 municipal solid waste Substances 0.000 description 20
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 101000927062 Haematobia irritans exigua Aquaporin Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model relates to a combined hydraulic rectifying device under the ultra-low water level of a pump station water inlet pool, which is applied to the technical field of hydraulic engineering and solves the problem of reduced service time of a pump body; the combined hydraulic power rectifying device comprises a diversion canal, a forebay and a water inlet pool under the ultralow water level of a pump station water inlet pool, wherein one end of the diversion canal is coaxially and detachably connected with one end of the forebay; the utility model discloses have and to filter the solid impurity of aquatic, extension pump body life's effect.
Description
Technical Field
The utility model belongs to the technical field of the hydraulic engineering technique and specifically relates to a combination hydraulic power fairing under the ultralow water level of pump station intake pool.
Background
At present, water pump stations are divided into irrigation pump stations, drainage and irrigation combined pump stations, water supply pump stations, booster pump stations, multifunctional pump stations and the like according to purposes; the water pump works on the principle that a low-pressure area is formed in a pump shell by means of high-speed rotation of a water pump impeller, and water is sucked into a water pipe under the action of atmospheric pressure.
The prior Chinese patent publication No. CN106759665A discloses a combined hydraulic power rectifying device under the ultra-low water level of a pump station water inlet pool, which comprises a water diversion canal, a front pool, a water inlet pipe, a water inlet horn pipe, a flow guide platform, an underwater vortex elimination cover plate and a W-shaped flow guide pier, wherein the water inlet pipe extends downwards into the rear end of the water inlet pool, the water inlet pipe is connected with the water inlet horn pipe, the flow guide platform is arranged on a bottom plate of the water inlet pool and is superposed with the axis of the water inlet horn pipe, the circumferential surface of the flow guide platform is a smooth curved surface, the cross section of the flow guide platform is a circular plane, the area of the flow guide platform is gradually reduced from bottom to top, and the underwater vortex elimination cover plate is; the W-shaped diversion pier is arranged on the bottom plate of the water inlet pool and is tightly attached to the rear wall of the water inlet pool, the W-shaped diversion pier is composed of two diversion side piers and one diversion middle pier, and the W-shaped diversion pier is arranged on the underwater vortex elimination cover plate.
The above prior art solutions have the following drawbacks: rivers directly enter into the intake basin through the inlet channel, because there are some solid waste in the rivers, in the time of water pump work, can inhale the water pump with solid waste, solid impurity twines on the blade of the pump body, and the load of the increase pump body reduces the life of the pump body.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims at providing, its advantage is: impurity that can effectual clear aquatic prevents that solid impurity from entering into the pump body in, the life of the extension pump body.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a combination water conservancy fairing under pump station intake pool ultralow water level includes inlet channel, forebay and intake pool in proper order, the one end of inlet channel is connected with the coaxial dismantlement of one end of forebay, the one end that the inlet channel was kept away from to the forebay is dismantled with the intake pool and is connected, be provided with filter equipment in the forebay, filter equipment include with the coaxial setting of forebay core bucket, connect the forebay be close to the intake pool one end accept board, a plurality of even filtration pores that set up on core bucket lateral wall, the opening of core bucket with accept board fixed connection, the opening of core bucket runs through and accepts the board.
Through adopting above-mentioned technical scheme, in the diversion canal introduced the intake chamber with water through the forebay, the board of accepting was separated forebay and intake chamber, and the water in the intake chamber flows to the intake chamber through the filtration pore flow that crosses on the core bucket, and the core bucket plays filterable effect, reduces the content that enters into rubbish in the intake chamber normal water to reach the effect that improves pump body life.
The utility model discloses further configure to: the inner wall of the forebay is evenly provided with a plurality of clamping grooves in the circumferential direction, the outer wall of the core barrel is fixedly connected with a plurality of clamping plates in the circumferential direction, the clamping plates are correspondingly inserted into the clamping grooves, and the clamping plates and the core barrel divide the forebay into a plurality of water grooves.
Through adopting above-mentioned technical scheme, through the cardboard with the firm fixed of core bucket in the front pool, the cardboard also will fall into a plurality of water service tank between front pool and the core bucket simultaneously, can reduce the velocity of flow of rivers through water service tank, reduces and forms the swirl in the front pool, is favorable to core bucket circumference pressurized stable.
The utility model discloses further configure to: every be provided with the filter vat in the water trough, the filter vat opening is towards the inlet channel, and is a plurality of the filter vat opening flushes, the one end that the intake pond was kept away from to the forebay is equipped with the baffle, every the filter vat opening runs through the baffle, the filtration pore diameter of filter vat is greater than the diameter of filtration pore.
Through adopting above-mentioned technical scheme, the great rubbish is filtered to the filter vat before the core bucket, realizes hierarchical filtration, reduces the filterable pressure of core bucket, reduces the condition that rubbish is whole to be piled up in the core bucket.
The utility model discloses further set up to: and a filter mesh is arranged at one end of the water diversion channel and is fixed on the water diversion channel.
Through adopting above-mentioned technical scheme, the filtration of first rubbish is realized to filter screen piece before the filter vat, reduces the filter pressure of filter vat, reduces that great rubbish is whole to be piled up in the filter vat.
The utility model discloses further set up to: the inner walls of the core barrel and the filter barrel are both provided with polytetrafluoroethylene layers.
Through adopting above-mentioned technical scheme, the polytetrafluoroethylene layer has corrosion resistance, high lubricated non-stick nature and good ageing resistance endurance, can reduce rubbish through setting up the polytetrafluoroethylene layer and attach to the surface of core bucket with the filter vat, leads to the filter capacity of core bucket and filter vat to reduce, influences filter equipment's normal work.
The utility model discloses further configure to: a flow dividing water net is arranged inside one end, close to the forebay, of the water inlet pool.
Through adopting above-mentioned technical scheme, the velocity of flow of reposition of redundant personnel water net reducible rivers reduces the impact of rivers to fairing in the intake basin, makes the rivers velocity of flow that enter into in the intake basin stable.
The utility model discloses further configure to: and the outer sides of the circumferences of the end parts of the diversion channel, the front pool and the water inlet pool, which are close to the front pool, are provided with flange plates.
Through adopting above-mentioned technical scheme, use a period when filter equipment, need clear up the impurity in the filter equipment, the forebay passes through the ring flange with inlet channel, intake pool and is connected, makes things convenient for the workman to dismantle the forebay from inlet channel and intake pool, and then conveniently dismantles the filter equipment in the forebay from the forebay, and the convenient clearance to the impurity in the filter equipment.
The utility model discloses further configure to: and sealing gaskets are arranged on the surfaces of the flange plates.
Through adopting above-mentioned technical scheme, seal ring on the ring flange has increased the leakproofness between forebay and inlet channel, the intake pond, prevents that fairing from appearing leaking gas's phenomenon at the during operation, influencing fairing's normal work.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the filtering device arranged in the front pool can filter impurities in water flow, reduce the impurities entering the pump body along with the water flow, reduce the load of the pump body and prolong the service life of the pump body;
2. the diversion canal, the forebay and the water inlet pool are connected through the flange plate, the forebay is convenient to detach from the rectifying device, and then the filtering device installed in the forebay is convenient to clean.
Drawings
FIG. 1 is a sectional view showing the entire structure of the present embodiment;
fig. 2 is an exploded view of the filter device in the present embodiment.
In the figure, 1, a water diversion canal; 11. a filter mesh sheet; 2. a forebay; 21. an internal thread; 3. a water inlet pool; 31. a flow diversion water net; 4. a filtration device; 41. a core barrel; 42. a bearing plate; 421. an external thread; 43. a filtration pore; 44. clamping a plate; 45. a water trough; 46. a filter vat; 5. a baffle plate; 6. A polytetrafluoroethylene layer; 7. a flange plate; 71 bolt holes; 8. a sealing gasket; 10. a clamping groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a combination water conservancy fairing under pump station intake pool ultralow water level, including inlet channel 1 and forebay 2, inlet channel 1 can be dismantled with forebay 2 and be connected, when pump station work, because the high-speed rotation of blade in the pump body, the pressure of department at the pump body inlet port is less, and external pressure is great, water enters into inlet channel 1 under the effect of pressure difference in, one end at inlet channel 1 is provided with filter screen piece 11, filter screen piece 11 is fixed on inlet channel 1, filter screen piece 11 realizes the filtration of first rubbish before rivers enter into forebay 2, it piles up in the forebay to reduce great rubbish is whole.
Referring to fig. 1 and 2, water flowing out of the penstock 1 enters the forebay 2, the forebay 2 is in a trumpet shape, and the trumpet-shaped forebay 2 can buffer water flowing into the forebay 2 from the penstock 1 and reduce the flow velocity of the water. Still there can be some rubbish from the aquatic of flowing in the inlet channel 1, after rubbish entered into the pump body along with rivers in, rubbish twines on the high-speed blade of the pump body, has increased the load of the pump body, and long-term use pump body can reduce the life of the pump body. In order to prolong the service life of the pump body, a filtering device 4 is arranged in the forebay 2, the filtering device 4 comprises a core barrel 41 which is coaxial with the forebay 2, and a bearing plate 42 which is connected to one end of the forebay 2 close to the intake pool 3, the opening of the core barrel 41 is fixedly connected with the bearing plate 42, the outer edge of the bearing plate 42 is provided with an external thread 421, the inner wall of one end of the forebay 2 far away from the approach channel 1 is provided with an internal thread 21, the external thread 421 is in threaded connection with the internal thread 21, so that the core barrel 41 arranged on the bearing plate 42 is fixed in the forebay 2, the side wall of the core barrel 41 is provided with a filtering hole 43, the core barrel 41 with the filtering hole 43 plays a role in filtering, the content of rubbish in water entering the pump body can be reduced through the core barrel.
Refer to fig. 1 and 2, be provided with a plurality of draw-in grooves 10 on the inner wall circumferencial direction of forebay 2, a plurality of cardboard 44 of the equal fixedly connected with of circumferencial direction on the outer wall of core bucket 41, cardboard 44 joint is in draw-in groove 10, through cardboard 44 with the firm fixing in forebay 2 of core bucket 41, be favorable to improving the stability of core bucket 41 in forebay 2, a plurality of water service groove 45 is also cut apart into with forebay 2 to cardboard 44 simultaneously, the moisture that flows into in the forebay 2 flows respectively in water service groove 45, can cushion the velocity of flow of rivers through water service groove 45, reduce the interior swirl that forms of forebay 2, be favorable to core bucket 41 circumference pressurized stability.
Referring to fig. 1 and 2, in order to further filter the garbage in the water, a filter barrel 46 is provided in a water trough 45, an opening of the filter barrel 46 faces the inlet channel 1, a baffle 5 is provided at one end of the front pool 2 close to the inlet channel 1 in order to allow the water flowing out of the inlet channel 2 to flow through the filter barrel 46, an opening of the filter barrel 46 penetrates through the baffle 5 and is fixed to the baffle 5, a diameter of a filter hole of the filter barrel 46 is larger than a diameter of a filter hole 43 of the cartridge 41, the filter barrel 46 can filter out large garbage before the cartridge 41, so that graded filtering is realized, pressure for filtering by the cartridge 41 is reduced, and the condition that the garbage is totally accumulated in the cartridge 41 is reduced. One end of the filter barrel 46 far away from the aqueduct 1 is abutted against the bearing plate 42, so that the filter barrel 46 is firmly fixed in the water trough 45.
Referring to fig. 1 and 2, when garbage is attached to the surfaces of the core barrel 41 and the filter barrel 46, the filtering capacity of the core barrel 41 and the filter barrel 46 can be reduced by the garbage, the normal operation of the filtering device 4 is affected, the polytetrafluoroethylene layers 6 are arranged on the inner walls of the core barrel 41 and the filter barrel 46, the polytetrafluoroethylene layers 6 have corrosion resistance, high lubrication non-adhesiveness and good anti-aging endurance, the condition that the garbage is attached to the surfaces of the core barrel 41 and the filter barrel 46 can be reduced by arranging the polytetrafluoroethylene layers 47, and the later washing operation of the core barrel 41 and the filter barrel 46 is facilitated.
Referring to fig. 1, a water inlet tank 3 is disposed at an end of a front tank 2 far from a water channel 1, when water passes through a filtering device 4 and then is collected in a core barrel 41, the water flow flows into the water inlet tank 3 through the core barrel 41, the water flow speed flowing out of the core barrel 41 is high, in order to reduce the flow speed of the water in the core barrel 41 flowing into the water inlet tank 3 and reduce the impact of the water flow on a rectifying device in the water inlet tank 3, a diversion water net 31 is disposed inside an end of the water inlet tank 3 close to the front tank 1, and when the water flow flows through the diversion water net 31, the water flow speed flowing into the water inlet tank 3 is stable.
Referring to fig. 1 and 2, after filter equipment 4 used a period of time, certain impurity can exist in filter equipment 4, for the convenience impurity in filter equipment 4 clears up, the tip circumference outside that is close to forebay 2 at approach channel 1, the circumference outside at forebay 2 both ends, the tip circumference outside that intake pond 3 is close to forebay 2 all is equipped with ring flange 7, be provided with bolt hole 71 on the ring flange 7, pass through bolted connection between the ring flange 7, make things convenient for forebay 2 both ends and approach channel 1, the dismantlement between the intake pond 3, and then conveniently dismantle filter equipment 4 from forebay 2, clear up the impurity in the filter equipment 4. All be provided with seal ring 8 on the ring flange 6, make diversion channel 1, forebay 2, 3 sealing effect when connecting together of intake pool better through seal ring 8, prevent that fairing from appearing the phenomenon of gas leakage at the in-process of work, influencing fairing's normal work.
The implementation principle of the embodiment is as follows: when the pump station works, because the blades in the pump body rotate at a high speed, the pressure at the water inlet of the pump body is low, the external pressure is high, water enters the water diversion channel 1 under the action of pressure difference, and the filter plate 11 on the water diversion channel 1 realizes primary filtration before the water flow enters the forebay 2. The water flowing out of the water canal 1 flows into the filter barrel 46 and the core barrel 46 in the forebay 2 in sequence, the diameter of the filter hole of the filter barrel 46 is larger than that of the filter hole 43 on the core barrel 41, the filter barrel 46 can filter out larger garbage before the core barrel 41, the filter barrel 46 and the core barrel 41 realize graded filtration, and the content of the garbage in the water entering the pump body is reduced. The water flow speed entering the water inlet tank 3 from the core barrel 41 is high, the flow speed of water in the core barrel 41 flowing into the water inlet tank 3 can be reduced by the flow dividing water net 31 inside one end of the water inlet tank 3 close to the front tank 1, the impact of the water flow on the rectifying device in the water inlet tank 3 is reduced, and the flow speed of the water flowing into the water inlet tank 3 is stable.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a combination water conservancy fairing under pump station intake pool ultralow water level includes diversion canal (1), forebay (2) and intake pool (3) in proper order, its characterized in that: the one end of inlet channel (1) is connected with the coaxial dismantlement of one end of forebay (2), the one end and the intake pool (3) of inlet channel (1) are kept away from in forebay (2) are dismantled and are connected, be provided with filter equipment (4) in forebay (2), filter equipment (4) include with forebay (2) coaxial setting core bucket (41), connect and accept board (42), a plurality of filtration pore (43) of evenly setting on core bucket (41) lateral wall that forebay (2) are close to intake pool (3) one end, the opening of core bucket (41) with accept board (42) fixed connection, the opening of core bucket (41) runs through and accepts board (42).
2. The combined hydraulic power rectifying device for the pump station intake pool at the ultra-low water level according to claim 1, is characterized in that: the inner wall of the forebay (2) is evenly provided with a plurality of clamping grooves (10) in the circumferential direction, the outer wall of the core barrel (41) is fixedly connected with a plurality of clamping plates (44) in the circumferential direction, the clamping plates (44) are correspondingly inserted into the clamping grooves (10), and the clamping plates (44) and the core barrel (41) divide the forebay (2) into a plurality of water through grooves (45).
3. The combined hydraulic power rectifying device for the pump station intake pool under the ultra-low water level according to claim 2, is characterized in that: every be provided with filter vat (46) in limbers (45), filter vat (46) opening is towards diversion canal (1), and is a plurality of filter vat (46) opening flushes, the one end that intake pond (3) were kept away from in forebay (2) is equipped with baffle (5), every filter vat (46) opening runs through baffle (5), the filtration pore diameter of filter vat (46) is greater than the diameter of filtration pore (43).
4. The combined hydraulic power rectifying device for the pump station intake pool at the ultra-low water level according to claim 1, is characterized in that: one end of the water diversion canal (1) is provided with a filter screen (11), and the filter screen (11) is fixed on the water diversion canal (1).
5. The combined hydraulic power rectifying device for the pump station intake pool under the ultra-low water level according to claim 3, is characterized in that: the inner walls of the core barrel (41) and the filter barrel (46) are both provided with polytetrafluoroethylene layers (6).
6. The combined hydraulic power rectifying device for the pump station intake pool at the ultra-low water level according to claim 1, is characterized in that: a flow-dividing water net (31) is arranged inside one end, close to the front pool (2), of the water inlet pool (3).
7. The combined hydraulic power rectifying device for the pump station intake pool at the ultra-low water level according to claim 1, is characterized in that: and the outer sides of the circumferences of the end parts of the diversion canal (1) close to the forebay (2), the outer sides of the circumferences of the two ends of the forebay (2) and the outer side of the circumference of the end part of the water inlet pool (3) close to the forebay (2) are respectively provided with a flange plate (7).
8. The combined hydraulic power rectifying device for the pump station intake pool under the ultra-low water level according to claim 7, is characterized in that: and sealing gaskets (8) are arranged on the surfaces of the flange plates (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633539.1U CN212271097U (en) | 2020-04-23 | 2020-04-23 | Combined hydraulic rectifying device under ultralow water level of pump station water inlet pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633539.1U CN212271097U (en) | 2020-04-23 | 2020-04-23 | Combined hydraulic rectifying device under ultralow water level of pump station water inlet pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212271097U true CN212271097U (en) | 2021-01-01 |
Family
ID=73876705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020633539.1U Expired - Fee Related CN212271097U (en) | 2020-04-23 | 2020-04-23 | Combined hydraulic rectifying device under ultralow water level of pump station water inlet pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212271097U (en) |
-
2020
- 2020-04-23 CN CN202020633539.1U patent/CN212271097U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |