CN101858323A - Siphon type water-discharging shaft tubular pump structure form - Google Patents
Siphon type water-discharging shaft tubular pump structure form Download PDFInfo
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- CN101858323A CN101858323A CN 201010177751 CN201010177751A CN101858323A CN 101858323 A CN101858323 A CN 101858323A CN 201010177751 CN201010177751 CN 201010177751 CN 201010177751 A CN201010177751 A CN 201010177751A CN 101858323 A CN101858323 A CN 101858323A
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Abstract
The invention relates to a siphon type water-discharging shaft tubular pump structure form, which belongs to the technical field of water conservancy and hydropower engineering. The structure form comprises a shaft type inlet passage, a tubular pump unit and a siphon type outlet passage, the inlet of the shaft type inlet passage is provided with a bulkhead gate, the cross section of the inlet of a shaft is rectangular and then graduates into the roundness of the inlet of the water pump, the planar shape of the shaft is a walnut-shaped streamline capable of reducing the loss of hydraulic power, both ends of which are pointed and the middle of which is big, a motor and a transmission mechanism of the tubular pump unit is arranged in the shaft, the cross section of the inlet of the siphon type outlet passage is round and is matched and connected with the cross section of the outlet of the tubular pump, the cross section of the round inlet of the siphon type outlet passage graduates into a rectangle, and a vacuum breaker valve is mounted on the top of the hump. Since the invention adopts the shaft type inlet passage and the siphon type outlet passage, the requirement of the water pump on the submerging depth and the inflow conditions is met, the unit can be conveniently mounted and overhauled, the excavating depth of a pump house is reduced, and the investment and maintenance cost of civil work and cutoff facilities are decreased.
Description
Technical field
The present invention relates to the pumping plant structural type, particularly relate to a kind of shaft tubular pump, belong to the Hydraulic and Hydro-Power Engineering technical field.
Background technique
In low-lying area, network of waterways Xu Qu, city water supply and sewage and flood protection works, there is the lift of many pumping plants lower, low especially sometimes.Along with the reduction of water lift lift, the ratio that the hydraulic loss of water-in and water-out runner accounts for the device lift progressively increases, and pumping plant efficient is more and more lower.The pumping plant structural type, to the size of pumping plant construction investment, the convenience of Operation, Administration and Maintenance and the height of unit efficiency, particularly the Security and the stability of pumping plant operation have significant impact.For the low lift pumping plant, as adopt conventional vertical water pump apparatus structure pattern,, certainly will increase pump house cutting depth and civil engineering costs in order to guarantee the impeller depth of immersion.Through-flow pump is a kind of horizontal pump, low-lift pump device commonly used at present mainly contains several structural types such as bulb through-flow, shaft tubular, shaft extension through-flow and submersed three-flow, all adopt the straighttube-type outlet passage, the cutout mode is generally stop gate (comprising mechanical type and hydraulic type), flap valve (comprising mechanical type, hydraulic type, floating box type, merogenesis, polylith etc.), the construction technical requirement height, cutout facility expense is big, and administering and maintaining cost increases.
Summary of the invention
The objective of the invention is to provide a kind of and can guarantee water pump depth of immersion and water inlet condition, being convenient to unit installs and overhauls, reduce the pump house cutting depth, reduce the interrupter device investment and make things convenient for Operation, Administration and Maintenance, improve the shaft tubular pump structural type of the hydrocone type water outlet of pumping plant safety, reliable operation.
The purpose of patent of the present invention is to realize like this, a kind of shaft tubular pump structural type of hydrocone type water outlet, it is characterized in that by the vertical shaft type water inlet flow channel, through-flow pump unit and siphon outlet conduit are formed, the import of vertical shaft type water inlet flow channel has bulkhead gate, the admission section of vertical shaft is a rectangle, progressively carry out the transition to the circle of water pump import then, the plane shape of vertical shaft is to help reducing the pointed at both ends of hydraulic loss, broad in the middle, be the streamlined of walnut shape, the power engine of through-flow pump unit and transmission device are arranged in the vertical shaft, the admission section of siphon outlet conduit is connected for circle is complementary with through-flow delivery side of pump section, the circular admission section of siphon outlet conduit progressively transition is a rectangle, and vacuum breaker valve is installed at the hump top of siphon outlet conduit.
According to the water level feature and the pumping station operation requirement of water outlet pool, the outlet of described siphon outlet conduit is provided with the cutout gate.
The present invention has adopted the vertical shaft type water inlet flow channel, has satisfied water pump depth of immersion and water inlet conditional request, makes things convenient for unit to install and maintenance, has reduced the pump house cutting depth, has reduced construction investment.Adopt siphon outlet conduit and vacuum breaker valve cutout mode, reduced the outlet passage cutting depth, construction investment, interrupter device investment and maintenance cost have been reduced, be convenient to operation management, improve Security, reliability and the Economy of pumping plant operation, improved the economic benefit and the social benefit of pump station engineering.Current enter the vertical shaft type water inlet flow channel from water inlet pool, and the left and right sides from vertical shaft enters the water pump vane chamber again, and the water body that obtains energy is discharged from the outlet of pump stator, enters siphon outlet conduit, finally discharges from the siphon outlet conduit outlet, enters water outlet pool.When unit orderly closedown or accidental shutdown, vacuum breaker valve (comprising that bypass is standby) is opened automatically, cuts off current.When water pump assembly was shut down under the highest super operating water level and super historical water level situation, vacuum cutout facility was inoperative, can fall out the port strobe cutout, guaranteed water pump assembly safety, operation reliably.Before start, shut down in back or the running, the operations staff can enter vertical shaft and safeguard power engine and transmission device, enters the water pump well servicing or checks water pump, enters the inspection of vacuum breaking valve chamber or safeguards the vacuum breaking facility.
Description of drawings
Fig. 1 is a facade structures schematic representation of the present invention;
Fig. 2 is a flat deployable structure schematic representation of the present invention.
Among the figure: 1 water inlet pool, 2 vertical shaft type water inlet flow channels, 3 vertical shafts, 4 motors and transmission device, 5 water pumps, 6 bulkhead gates, 7 water pump wells, 8 vacuum breaker valves, 9 siphon outlet conduits, 10 cutout gates, 11 water outlet pooies.
Embodiment
As Fig. 1, shown in Figure 2, a kind of shaft tubular pump structural type of hydrocone type water outlet, by vertical shaft type water inlet flow channel 2, through-flow pump unit 5 and siphon outlet conduit 9 are formed, 2 imports of vertical shaft type water inlet flow channel are provided with bulkhead gate 6, the admission section of vertical shaft 3 is a rectangle, progressively carry out the transition to the circle of water pump 5 imports then, the plane shape of vertical shaft 3 is to help reducing the pointed at both ends of hydraulic loss, broad in the middle, be the streamlined of walnut shape, the motor of through-flow pump unit and transmission device 4 are arranged in the vertical shaft, the admission section of siphon outlet conduit 9 is connected for circle is complementary with through-flow delivery side of pump section, the circular admission section longshore current road direction of siphon outlet conduit progressively transition is a rectangle, and vacuum breaker valve 8 is installed at the hump top.According to the water level feature and the pumping station operation requirement of water outlet pool, the outlet of siphon outlet conduit can be provided with cutout gate 10.
Before starting water pump, open bulkhead gate 6 and cutout gate 10.Behind the through-flow pump unit starting, current enter vertical shaft type water inlet flow channel 2 from water inlet pool 1, enter the water pump of through-flow pump unit 5 from the left and right sides of vertical shaft 3, the water body that obtains energy from water pump is discharged from the stator outlet, enter siphon outlet conduit 9, finally discharge, enter water outlet pool 11 from the siphon outlet conduit outlet.When water pump orderly closedown or accidental shutdown, vacuum breaker valve 8 is opened automatically, cuts off current.Water pump can cut out cutout gate 10 in the highest super operating water level and super historical water level situation following time, cuts off current, guarantees the safety of flow pump machine group.Before water pump start, shut down in back or the running, the operations staff can enter vertical shaft 3 and safeguard power engine and transmission device, enters water pump well 7 and safeguards or check water pump, enters vacuum breaking valve chamber inspection vacuum breaker valve 8 and affiliated facility thereof.
Claims (2)
1. the shaft tubular pump structural type of a hydrocone type water outlet, it is characterized in that by the vertical shaft type water inlet flow channel, through-flow pump unit and siphon outlet conduit are formed, the import of vertical shaft type water inlet flow channel has bulkhead gate, the admission section of vertical shaft is a rectangle, progressively carry out the transition to the circle of water pump import then, the plane shape of vertical shaft is to help reducing the pointed at both ends of hydraulic loss, broad in the middle, be the streamlined of walnut shape, the power engine of through-flow pump unit and transmission device are arranged in the vertical shaft, the admission section of siphon outlet conduit is connected for circle is complementary with through-flow delivery side of pump section, the circular admission section of siphon outlet conduit progressively transition is a rectangle, and vacuum breaker valve is installed at the hump top of siphon outlet conduit.
2. the shaft tubular pump structural type of a kind of hydrocone type water outlet according to claim 1 is characterized in that the outlet of described siphon outlet conduit is provided with the cutout gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010177751 CN101858323A (en) | 2010-05-13 | 2010-05-13 | Siphon type water-discharging shaft tubular pump structure form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010177751 CN101858323A (en) | 2010-05-13 | 2010-05-13 | Siphon type water-discharging shaft tubular pump structure form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101858323A true CN101858323A (en) | 2010-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010177751 Pending CN101858323A (en) | 2010-05-13 | 2010-05-13 | Siphon type water-discharging shaft tubular pump structure form |
Country Status (1)
| Country | Link |
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| CN (1) | CN101858323A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182706A (en) * | 2011-05-24 | 2011-09-14 | 扬州大学 | S-shaped downwards horizontal axis-extending tubular pump device |
| CN104480918A (en) * | 2014-12-15 | 2015-04-01 | 扬州大学 | Siphoning type water outlet runner with excellent hydraulic property and application method thereof |
| CN112412738A (en) * | 2020-11-19 | 2021-02-26 | 佛山市顺德区水利水电勘测设计院有限公司 | Hump siphon type water outlet flow passage of small and medium-sized pump station and use method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509493A (en) * | 2009-03-19 | 2009-08-19 | 日立泵制造（无锡）有限公司 | Improved silo infusion pump |
-
2010
- 2010-05-13 CN CN 201010177751 patent/CN101858323A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509493A (en) * | 2009-03-19 | 2009-08-19 | 日立泵制造（无锡）有限公司 | Improved silo infusion pump |
Non-Patent Citations (1)
| Title |
|---|
| 《中国农村水利水电》 20080831 姜俊红、戴红霞 驼峰后带长直管虹吸式出水流道的水利特性试验研究 第130-131 1 , 第8期 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182706A (en) * | 2011-05-24 | 2011-09-14 | 扬州大学 | S-shaped downwards horizontal axis-extending tubular pump device |
| CN102182706B (en) * | 2011-05-24 | 2013-02-20 | 扬州大学 | S-shaped downwards horizontal axis-extending tubular pump device |
| CN104480918A (en) * | 2014-12-15 | 2015-04-01 | 扬州大学 | Siphoning type water outlet runner with excellent hydraulic property and application method thereof |
| CN112412738A (en) * | 2020-11-19 | 2021-02-26 | 佛山市顺德区水利水电勘测设计院有限公司 | Hump siphon type water outlet flow passage of small and medium-sized pump station and use method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101013 |