CN209128966U

CN209128966U - The sump of powerhouse of hydropower station

Info

Publication number: CN209128966U
Application number: CN201821853640.7U
Authority: CN
Inventors: 周兵; 赵文杰
Original assignee: Sichuan Zipingpu Development Co Ltd
Current assignee: Sichuan Zipingpu Development Co Ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2019-07-19
Anticipated expiration: 2028-11-12

Abstract

The utility model relates to hydraulic and hydroelectric engineering technical fields, and in particular to the sump of powerhouse of hydropower station.The specific technical proposal is: the sump of powerhouse of hydropower station, including preparation sump and the leakage sump for seepage from powerhouse draining being connect with preparation sump by drainpipe, the bottom of the prepared sump and leakage sump has the gradient to an overturning angle；The bottom of the leakage sump is equipped with aeration tube, the aeration tube is equipped with several aeration heads, the aeration head includes that the communicating pipe being fixedly connected with the aeration tube, the supporting table at the top of the communicating pipe of setting in circumferential direction and setting can slide up and down aeration lid on communicating pipe, the lower part of the aeration lid, which is equipped with, limits the limiting stand that the aeration lid skids off, and the circumferential direction of the aeration lid is equipped with several solarization air caps；The aeration tube connects with the communicating pipe.The utility model solves the problems, such as that silt is not cleaned up in the prior art and blocks pipeline with silt.

Description

The sump of powerhouse of hydropower station

Technical field

The utility model relates to hydraulic and hydroelectric engineering technical fields, and in particular to the sump of powerhouse of hydropower station.

Background technique

In powerhouse of hydropower station structure, it is generally provided with leakage sump, main collect drains from water-turbine top cover Seepage drainage, leakage sump are poured using armored concrete everywhere with workshop, and pre-buried on leakage sump inner wall Ladder, top are reserved into manhole and drainpipe.

However in many rivers, since annual flood season can all be such that river upstream silt loss aggravates, silt passes through machine The percolating water gravity flow of group runner drains into sump.Silt in sump accumulates over a long period, and will affect water pump in sump just Often operation, while water flow containing mortar leads to draining pump abrasion aggravation, so that being unable to operate normally.When occur sump siltation problem When, the silt for bottom of catchmenting is purged frequently with grab type Accrete clearing device, but the reset mode be easy to cause and catchments Bottom silt does not clean up；And silt can also be blocked and is arranged in around sump and the high-pressure water pipe and compression of bottom Air hose seriously affects the normal operation of equipment so as to cause the damage of equipment.

Utility model content

In view of the deficiencies of the prior art, the utility model provides the sump of powerhouse of hydropower station, solves the prior art Middle silt does not clean up the problem of blocking pipeline with silt.

In order to achieve the above object, the utility model is achieved by the following technical programs:

The sump of powerhouse of hydropower station is used for factory by what drainpipe was connect including preparation sump and with preparation sump The bottom of the leakage sump of room seepage drainage, the prepared sump and leakage sump has the gradient to an overturning angle；

The bottom of the leakage sump is equipped with aeration tube, and the aeration tube is equipped with several aeration heads, the aeration Head includes that the communicating pipe being fixedly connected with the aeration tube, the supporting table at the top of the communicating pipe of setting in circumferential direction and setting are being connected to Can slide up and down aeration lid on pipe, and the lower part of the aeration lid, which is equipped with, limits the limiting stand that the aeration lid skids off, the exposure The circumferential direction of gas lid is equipped with several solarization air caps；The aeration tube connects with the communicating pipe.

Preferably, the inlet end of the drainpipe extends in the leakage sump, the water outlet of the drainpipe End extends in the prepared sump, and the inlet end of the drainpipe is equipped with check-valves, and the drainpipe and setting are in institute The fixed frame stated on leakage sump side wall is fixedly connected.

Preferably, the circumferential direction of the leakage sump inner wall is equipped with several water seepage holes, be equipped in the water seepage hole every Net.

Preferably, the aeration tube is fixedly connected with the fixed column for leaking bottom of catchmenting is fixed on.

Preferably, described leak is equipped with jet water spout on the adjacent two sides of bottom of catchmenting, and two jet water spouts are set It sets far from the lowest part for leaking bottom of catchmenting, the jet water spout is equipped with several apopores.

Preferably, water level alarm, the water level report are equipped on the side wall of the prepared sump and leakage sump At the top of alert device and the drainpipe in the same horizontal line.

Preferably, the aeration tube connects air compressor, and the jet water spout connects high-pressure hydraulic pump.

Preferably, draining pump, the row in the leakage sump are equipped in the prepared sump and leakage sump Sensor probe is equipped with below the water sucking mouth of water pump, the sensor probe is connect with sludge interface instrument.

Preferably, the lower surface of the aeration tops is provided with guide pad, and the thickness of the guide pad is by four circumferential directions Between become larger.

The utility model have it is following the utility model has the advantages that

1, for the utility model by being fixedly connected with communicating pipe on aeration tube, communicating pipe, which is equipped with, can slide up and down aeration Lid, circumferential direction is equipped with supporting table at the top of communicating pipe, and the lower part for being aerated lid is equipped with the limiting stand that limitation aeration lid skids off, and is aerated lid Circumferential direction is equipped with several solarization air caps, avoids after the completion of being aerated or aeration tube is not in the state of running, have silt and enter exposure In stomata, so that blocking aeration hole, influences the aeration effect to silt, and then influence the removing to leakage sump bottom sediment Effect.In addition, the guide pad for being aerated the lower surface setting of tops can shunt rapidly air-flow, and will in aeration tube ventilation Aeration caping gets up, and is directed to air-flow on the position of solarization air cap, and spray from solarization air cap, to reach to leakage sump The purpose that the sludge of bottom is loosened；Supporting table blocks limiting stand simultaneously, avoids aeration lid and is detached from communicating pipe.

2, the utility model is by being equipped with jet water spout, two jet water spouts on leaking the adjacent two sides of bottom of catchmenting It is arranged far from the indentation section for leaking bottom of catchmenting, jet water spout is used in conjunction with each other with aeration tube, and siltation is made to catchment in leakage Shuttling movement, mixing are integrated mud, sand and the water body of bottom together, then sewage is discharged by sand discharging pump.Moreover, sand discharge After the completion, leakage bottom of catchmenting can be rinsed by jet water spout, is rushed at indentation section, so that sump will be leaked Interior silt is removed clean.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is sectional view along A-A in Fig. 1；

Fig. 3 is aeration head the schematic diagram of the section structure；

In figure: preparation sump 1, drainpipe 2, leakage sump 3, aeration tube 4, aeration head 5, communicating pipe 6, supporting table 7, It is aerated lid 8, limiting stand 9, solarization air cap 10, check-valves 11, fixed frame 12, water seepage hole 13, fixed column 14, jet water spout 15, water level report Alert device 16, air compressor 17, high-pressure hydraulic pump 18, guide pad 19, indentation section 20.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

With reference to Fig. 1-Fig. 3, the utility model discloses the sump of powerhouse of hydropower station, including preparation sump 1 and with it is pre- The leakage sump 3 for seepage from powerhouse draining that standby sump 1 is connected by drainpipe 2, preparation sump 1 and leakage are catchmented The bottom of well 3 has the gradient to an overturning angle, i.e., in any one angular of the bottom of preparation sump 1 and leakage sump 3 At an indentation section 20.It should be understood that the bottom angled setting for preparing sump 1 here is in order to which draining pump can be by bottom The water of indentation section (not shown) is completely exhausted out, and if it is smooth bottom, then when the water level of bottom is shallower, will cause draining Pump idle running, can cause to damage to draining pump.The bottom angled setting for leaking sump 3 is in order to which sand pump is in bottom indentation section 20 When place carries out spoil disposal, silt flows under the action of water flow to indentation section 20, consequently facilitating the silt for being deposited on bottom is taken out Sand pump clears out, and there is no the silts of some to be discharged, and continues to deposit onto asking for leakage 3 bottom of sump Topic similarly exists if it is smooth bottom, then when the silt thickness of bottom is shallower, will cause sand pump idle running, can be to pumping The problem of sand pump causes damage.

Leak sump 3 bottom be equipped with aeration tube 4, aeration tube 4 be equipped with several aeration heads 5, aeration head 5 include with Communicating pipe 6 that aeration tube 4 is fixedly connected, the supporting table 7 being arranged in 6 top circumferential direction of communicating pipe and setting can on communicating pipe 6 The aeration lid 8 slided up and down, the lower part of aeration lid 8 are equipped with the limiting stand 9 that limitation aeration lid 8 skids off, are aerated in the circumferential direction of lid 8 and set There are several solarization air caps 10；Aeration tube 4 connects with communicating pipe 6, and the lower surface at 8 top of aeration lid is provided with guide pad 19, leads It circumferentially intermediate is become larger to the thickness of block 19 by four.It is to be noted that in the top of communicating pipe 6, setting is aerated lid 8 here, Solarization air cap 10 be arranged in aeration lid 8 circumferential direction on, primarily to avoid aeration after the completion of or aeration tube 4 in the state not run Under, it has silt and enters in solarization air cap 10, so that blocking aeration hole 10, influences the aeration effect to silt, and then influence to infiltration Leak the removing of 3 bottom sediment of sump.In addition, when aeration tube 4 is ventilated, the guide pad of the lower surface setting at 8 top of aeration lid 19 shunt rapidly air-flow, and aeration lid 8 is jacked up, and are directed to air-flow on the position of solarization air cap 10, and from solarization air cap 10 Middle ejection, to achieve the purpose that the sludge to leakage 3 bottom of sump loosens；Supporting table 7 blocks limiting stand 9 simultaneously, Aeration lid 8 is avoided to be detached from communicating pipe 6.

Leakage 3 bottom of sump is equipped with jet water spout 15 on adjacent two sides, and two jet water spouts 15 are arranged far from infiltration The indentation section 20 of 3 bottom of sump is leaked, jet water spout 15 is equipped with several apopores.It is to be noted that jet water spout 15 and exposure Tracheae 4 is to be used in conjunction with each other, and makes to deposit in mud, sand and the water body for leaking 3 bottom of sump together shuttling movement, mixing It is integrated, then sewage is discharged by sand discharging pump.Moreover, after the completion of sand discharge, can by 15 pairs of 3 bottoms of leakage sump of jet water spout into Row rinses, and is rushed at indentation section 20, removes completely so that the silt in sump 3 will be leaked.

Further, the exposure that aeration tube 4 is arranged in "×" shape in the bottom of leakage sump 3, and is located on indentation section 20 Then L-shaped arrangement, the connector of the point of intersection of L shape connect with one end of the aeration tube 4 in "×" shape arrangement, avoid tracheae 4 Aeration tube 4 influences the operation of sand discharging pump in the top of indentation section 20, also for make leak sump 3 bottom silt more Uniform aeration, avoids silt is hardened from not cleaning up.

Further, the inlet end of drainpipe 2 extends in leakage sump 3, and the water outlet end of drainpipe 2 extends to In preparation sump 1, the inlet end of drainpipe 2 is equipped with check-valves 11, drainpipe 2 and setting on leakage 3 side wall of sump Fixed frame 12 be fixedly connected.Here the setting of check-valves 11 is to work as the draining failure of pump in leakage sump 3 or work as flood When phase workshop hydraulic structure water percolating capacity is too big, leak the water in sump 3 makes water level reach draining because that can not be discharged in time When 2 bottom lowest part of pipe, leaking the water in sump 3 can be entered in preparation sump 1 by drainpipe 2, be collected by preparation Water is discharged draining pump in well 1.

Further, the circumferential direction for leaking 3 inner wall of sump is equipped with several water seepage holes 13, be equipped in water seepage hole 13 every Net.The setting of filter is the stone or soil block blocking water seepage hole 13 for leaking 3 outer periphery of sump in order to prevent, and is arranged and seeps Water hole 13 is pressure of the infiltration to leakage sump 3 in order to alleviate 3 outside of leakage sump, prevents leakage sump from collapsing. And prepare sump 1 and be less than leakage sump 3, so not needing that water seepage hole is arranged around it.

Further, in order to avoid aeration tube 4 and jet water spout 15 are mutually set up together, thus aeration tube 4 be fixed on The fixed column 14 of leakage 3 bottom of sump is fixedly connected, and fixed column 14 supports aeration tube 4.

Further, water level alarm 16, water-level alarm are equipped on the side wall of preparation sump 1 and leakage sump 3 Device 16 and 2 top of drainpipe are in the same horizontal line.This is that water level alarm 16 is for the draining pump in leakage sump 3 Under the extreme conditions such as failure, 2 failure of drainpipe, staff is notified by water level alarm 16, makes staff to unit Equipment carries out maintenance and carries out pump drainage to the water of leakage sump 3, avoids the unrestrained place's leakage sump 3 of water, floods workshop.

Further, aeration tube 4 connects air compressor 17, and jet water spout 15 connects high-pressure hydraulic pump 18.

Further, it is equipped with draining pump in preparation sump 1 and leakage sump 3, leaks the draining pump in sump 3 Water sucking mouth below be equipped with sensor probe, sensor probe connect with sludge interface instrument.Here setting sensor probe is main It is the thickness in order to detect silt in leakage sump 3, to decide whether to carry out sand discharge processing.And sensor probe The lower section of draining pump is set, distance of the silt apart from draining pump can be detected in time, silt is avoided to be sucked into draining pump, Cause the damage of draining pump.

Further, air compressor 17, high-pressure hydraulic pump 18, draining pump, sand discharging pump and sludge interface instrument are electrically connected with PLC controller, PLC controller control air compressor 17, high-pressure hydraulic pump 18, draining pump, the starting of sand discharging pump, closing and operation Time, and by monitoring whether the data that feed back of sludge interface instrument carry out at sand discharge to judge the operation of next step Reason, if silt is close at a distance from draining pump, needs to carry out sand discharge processing；If only carrying out drainage position apart from far Reason.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

Embodiment described above is only that the preferred embodiment of the utility model is described, not to the utility model Range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are practical new to this The various changes and improvements that the technical solution of type is made should all fall into the protection scope that the utility model claims book determines It is interior.

Claims

1. the sump of powerhouse of hydropower station, including prepare sump (1) and connect with preparation sump (1) by drainpipe (2) For seepage from powerhouse draining leakage sump (3), it is characterised in that: the prepared sump (1) and leak sump (3) Bottom have to an overturning angle the gradient；

The bottom of leakage sump (3) is equipped with aeration tube (4), and the aeration tube (4) is equipped with several aeration heads (5), The aeration head (5) includes the communicating pipe (6) being fixedly connected with the aeration tube (4), setting in communicating pipe (6) top circumferential direction Supporting table (7) and setting can slide up and down on communicating pipe (6) aeration lid (8), it is described aeration lid (8) lower part be equipped with limit The limiting stand (9) that the aeration lid (8) skids off is made, the circumferential direction of the aeration lid (8) is equipped with several solarization air caps (10)；It is described Aeration tube (4) connects with the communicating pipe (6).

2. the sump of powerhouse of hydropower station according to claim 1, it is characterised in that: the water inlet of the drainpipe (2) End extends in the leakage sump (3), and the water outlet end of the drainpipe (2) extends in the prepared sump (1), The inlet end of the drainpipe (2) is equipped with check-valves (11), and the drainpipe (2) and setting are in the leakage sump (3) Fixed frame (12) on side wall is fixedly connected.

3. the sump of powerhouse of hydropower station according to claim 1, it is characterised in that: leakage sump (3) inner wall Circumferential direction be equipped with several water seepage holes (13), filter is equipped in the water seepage hole (13).

4. the sump of powerhouse of hydropower station according to claim 1, it is characterised in that: the aeration tube (4) be fixed on The fixed column (14) of described leakage sump (3) bottom is fixedly connected.

5. the sump of powerhouse of hydropower station according to claim 1, it is characterised in that: leakage sump (3) bottom It is equipped on adjacent two sides jet water spout (15), two jet water spouts (15) are arranged far from the leakage sump (3) The lowest part of bottom, the jet water spout (15) are equipped with several apopores.

6. the sump of powerhouse of hydropower station according to claim 1, it is characterised in that: the prepared sump (1) and infiltration It leaks and is equipped with water level alarm (16) on the side wall of sump (3), at the top of the water level alarm (16) and the drainpipe (2) In the same horizontal line.

7. the sump of powerhouse of hydropower station according to claim 5, it is characterised in that: the aeration tube (4) connects air Compressor (17), the jet water spout (15) connect high-pressure hydraulic pump (18).

8. the sump of powerhouse of hydropower station according to claim 1, it is characterised in that: the prepared sump (1) and infiltration It is equipped with draining pump in leakage sump (3), is equipped with sensor below the water sucking mouth of the draining pump in leakage sump (3) and visits Head, the sensor probe are connect with sludge interface instrument.

9. the sump of powerhouse of hydropower station according to claim 1, it is characterised in that: under at the top of the aeration lid (8) Surface is provided with guide pad (19), and the thickness of the guide pad (19) circumferentially intermediate is become larger by four.