CN220769614U - Main shaft sealing water supply source structure of bulb tubular turbine unit - Google Patents
Main shaft sealing water supply source structure of bulb tubular turbine unit Download PDFInfo
- Publication number
- CN220769614U CN220769614U CN202322503227.5U CN202322503227U CN220769614U CN 220769614 U CN220769614 U CN 220769614U CN 202322503227 U CN202322503227 U CN 202322503227U CN 220769614 U CN220769614 U CN 220769614U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- stainless steel
- storage tank
- shaft sealing
- water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 238000007789 sealing Methods 0.000 title claims abstract description 60
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 47
- 239000010935 stainless steel Substances 0.000 claims abstract description 47
- 239000008400 supply water Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 abstract description 9
- 239000004576 sand Substances 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 description 10
- 230000006866 deterioration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
Landscapes
- Hydraulic Turbines (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a main shaft sealing water supply source structure of a bulb through-flow unit, which comprises a leakage water collecting well, a stainless steel water storage tank, two centrifugal pumps and a main shaft sealing pipeline, wherein two submersible pumps are arranged in the leakage water collecting well, the water outlets of the submersible pumps are communicated with a guide pipe, one side of the stainless steel water storage tank is communicated with a communicating pipe, and the other end of the communicating pipe extends to the outside of the stainless steel water storage tank. According to the main shaft sealing water supply source structure of the bulb tubular turbine unit, water in the leakage water collecting well is pumped into the stainless steel water storage tank through the submersible pump, precipitation filtration is carried out in the stainless steel water storage tank again, then water in the stainless steel water storage tank is pumped after the centrifugal pump works, and the water is injected into the main shaft sealing pipeline and then supplied to the main shaft for sealing, so that the sand content in a main shaft sealing water supply system is greatly reduced, and the service life of a main shaft sealing part of the turbine unit is prolonged.
Description
Technical Field
The utility model relates to the technical field of water source structures, in particular to a main shaft sealing water supply source structure of a bulb tubular turbine.
Background
The main shaft seal of the unit is arranged at the downstream side of the water guide bearing and mainly bears the sealing and lubricating tasks of the main shaft of the water turbine at the runner part, water is supplied to the main shaft seal of the unit from the unit runner, the sand content of yellow river water in flood season is large, abrasion of a main shaft seal is directly accelerated, the main shaft seal of the unit is leaked, the leaked water enters the lubricating oil system of the unit bearing, and the lubricating oil quality of the unit is destroyed.
The prior main shaft sealing water supply source structure of the bulb tubular turbine unit has higher sand content in the water supply system in the use process, thus being easy to shorten the service life of main shaft sealing parts of the turbine unit, increasing the possibility of water leakage of the main shaft sealing parts, leading water to enter a lubricating oil tank and accelerating the deterioration of lubricating oil.
Therefore, it is necessary to provide a new structure for sealing the water supply source of the main shaft of the bulb through-flow unit to solve the technical problems.
Disclosure of Invention
The utility model provides a main shaft sealing water supply and source structure of a bulb through-flow unit, which solves the technical problem that the main shaft sealing water supply and source structure of the existing bulb through-flow unit has higher sand content in a water supply system in the use process.
In order to solve the technical problems, the main shaft sealing water supply source structure of the bulb tubular turbine provided by the utility model comprises a leakage water collecting well, a stainless steel water storage tank, two centrifugal pumps and a main shaft sealing pipeline, wherein the inner cavity of the leakage water collecting well is provided with two submersible pumps, the water outlet of each submersible pump is communicated with a guide pipe, one side of the inner cavity of the stainless steel water storage tank is communicated with a communicating pipe, the other end of the communicating pipe extends to the outside of the stainless steel water storage tank and is communicated with a first collecting disc, and the other end of each guide pipe is communicated with the first collecting disc;
the utility model discloses a centrifugal pump, including stainless steel water storage tank, centrifugal pump, main shaft seal pipeline, filter, centrifugal pump, first collecting tray, second collecting tray, centrifugal pump, first collecting tray, second collecting tray, centrifugal pump's water inlet intercommunication has the water suction pipe, the other end of water suction pipe with the opposite side intercommunication of stainless steel water storage tank inner chamber, the one end intercommunication of main shaft seal pipeline has the second collecting tray, the delivery port intercommunication of centrifugal pump has the discharge tube, the other end of discharge tube with the second collecting tray intercommunication.
Preferably, the top of the inner wall of the seepage water collecting well is fixedly connected with two support frames, the two support frames correspond to the two submersible pumps, and the submersible pumps are fixedly connected to the tops of the support frames.
Preferably, the guide pipe is provided with a first valve.
Preferably, a second valve is arranged on the discharge pipe.
Preferably, the surface of the stainless steel water storage tank is detachably provided with an overhaul box door through a plurality of bolts.
Preferably, an observation window is arranged on the surface of the stainless steel water storage tank.
Preferably, the bottom of one side surface of the stainless steel water storage tank is communicated with a drain pipe, and an electromagnetic valve is arranged on the drain pipe.
Compared with the related art, the main shaft sealing water supply source structure of the bulb tubular unit has the following beneficial effects:
the utility model provides a main shaft sealing water supply source structure of a bulb through-flow unit, wherein a leakage water collecting well collects water leakage and main shaft sealing drainage of a whole factory, the water quality is clear after precipitation, the leakage water collecting well is used as a main shaft sealing water supply water taking source, water in an inner cavity of the leakage water collecting well is pumped into an inner cavity of a stainless steel water storage tank through a diving pump and is subjected to precipitation filtration in the inner cavity of the stainless steel water storage tank, water in the inner cavity of the stainless steel water storage tank is pumped after a centrifugal pump works, and the water is injected into the inner cavity of a main shaft sealing pipeline and is supplied to the main shaft sealing for use, so that the sand content in a main shaft sealing water supply system is greatly reduced, the service life of a main shaft sealing part of the unit is prolonged, the condition that the main shaft sealing water leakage enters a lubricating oil tank is avoided, the deterioration condition of lubricating oil is accelerated, and the working stability of the main shaft sealing part of the unit is improved.
Drawings
FIG. 1 is a schematic view of a sealed water supply structure of a main shaft of a bulb through-flow unit according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the leak collection well and submersible pump of FIG. 1;
FIG. 3 is a schematic view of the stainless steel reservoir and filter plate of FIG. 1.
Reference numerals in the drawings: 1. a leaking water collection well; 2. a support stand; 3. submersible pump; 4. a guide tube; 5. a first valve; 6. a first collecting tray; 7. a communicating pipe; 8. stainless steel water storage tank; 9. a filter plate; 10. an overhaul box door; 11. an observation window; 12. a centrifugal pump; 13. a water suction pipe; 14. a discharge pipe; 15. a second valve; 16. a second collecting tray; 17. a main shaft sealing pipeline; 18. a blow-down pipe; 19. an electromagnetic valve; 20. and (5) a bolt.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a main shaft sealing water supply source structure of a bulb through-flow unit according to the present utility model; FIG. 2 is a schematic view of the leak collection well and submersible pump of FIG. 1; FIG. 3 is a schematic view of the stainless steel reservoir and filter plate of FIG. 1. The main shaft sealing water supply source structure of the bulb tubular turbine comprises a leakage water collecting well 1, a stainless steel water storage tank 8, two centrifugal pumps 12 and a main shaft sealing pipeline 17, wherein the inner cavity of the leakage water collecting well 1 is provided with two submersible pumps 3, and the water outlets of the submersible pumps 3 are communicated with a guide pipe 4.
One side of the inner cavity of the stainless steel water storage tank 8 is communicated with a communicating pipe 7, the other end of the communicating pipe 7 extends to the outside of the stainless steel water storage tank 8 and is communicated with a first collecting disc 6, and the other end of the guide pipe 4 is communicated with the first collecting disc 6.
One side of the inner cavity of the stainless steel water storage tank 8 is fixedly connected with a filter plate 9, a water inlet of the centrifugal pump 12 is communicated with a water suction pipe 13, and the other end of the water suction pipe 13 is communicated with the other side of the inner cavity of the stainless steel water storage tank 8.
One end of the main shaft sealing pipeline 17 is communicated with a second collecting disc 16, the water outlet of the centrifugal pump 12 is communicated with a discharge pipe 14, and the other end of the discharge pipe 14 is communicated with the second collecting disc 16.
The seepage water collecting well 1 collects the whole factory seepage water and the main shaft sealing drainage, the water quality is clear after precipitation, the seepage water collecting well 1 is used as a main shaft sealing water supply and water taking source, the water in the inner cavity of the seepage water collecting well 1 is pumped into the inner cavity of the stainless steel water storage tank 8 through the submersible pump 3, and precipitation filtration is carried out in the inner cavity of the stainless steel water storage tank 8 again.
After the centrifugal pump 12 works, water flow in the inner cavity of the stainless steel water storage tank 8 is extracted, and is injected into the inner cavity of the main shaft sealing pipeline 17 and then supplied to the main shaft seal for use, so that the sand content in a main shaft sealing water supply system is greatly reduced, the service life of a main shaft sealing part of the unit is prolonged, the condition that water leakage of the main shaft seal enters a lubricating oil tank and deterioration of lubricating oil is accelerated is avoided, and the working stability of the main shaft sealing part of the unit is improved.
The top fixedly connected with two support frame platforms 2 of seepage sump pit 1 inner wall, two support frame platforms 2 correspond with two immersible pumps 3, immersible pump 3 fixed connection is in the top of support frame platform 2.
The support stand 2 is used for erecting the submersible pump 3, so that more sediment attached to the submersible pump 3 during extraction can be avoided, more sediment attached to the surface of the submersible pump 3 can be avoided, the protection of the submersible pump 3 is improved, and the service life of the submersible pump 3 is prolonged.
The guide pipe 4 is provided with a first valve 5, the discharge pipe 14 is provided with a second valve 15, the surface of the stainless steel water storage tank 8 is detachably provided with an overhaul box door 10 through a plurality of bolts 20, and the bolts 20 facilitate overhaul operation of the inner cavity of the stainless steel water storage tank 8
The surface of stainless steel water storage tank 8 is provided with observation window 11, and the bottom intercommunication of a stainless steel water storage tank 8 side has blow off pipe 18, is provided with solenoid valve 19 on the blow off pipe 18, and observation window 11 is convenient for look over the accumulation of stainless steel water storage tank 8 inner chamber deposit, after opening solenoid valve 19, can discharge the deposit through blow off pipe 18.
The utility model provides a main shaft sealing water supply source structure of a bulb tubular turbine unit, which has the following working principle:
the seepage water collecting well 1 collects the water leakage of the whole factory and the sealed water drainage of the main shaft, the water quality is clear after precipitation, the seepage water collecting well 1 is used as a main shaft sealed water supply and water taking source, water in the inner cavity of the seepage water collecting well 1 is pumped into the inner cavity of the stainless steel water storage tank 8 through the submersible pump 3 and then is subjected to precipitation filtration in the inner cavity of the stainless steel water storage tank 8, then the centrifugal pump 12 works, water flow in the inner cavity of the stainless steel water storage tank 8 is pumped, and the water is injected into the inner cavity of the main shaft sealed pipeline 17 and then is supplied to the main shaft for sealing.
Compared with the related art, the main shaft sealing water supply source structure of the bulb tubular unit has the following beneficial effects:
the utility model provides a main shaft sealing water supply source structure of a bulb through-flow unit, wherein a leakage water collecting well 1 collects water leakage and main shaft sealing drainage of a whole factory, the water quality is clear after precipitation, the leakage water collecting well 1 is used as a main shaft sealing water supply water taking source, water in an inner cavity of the leakage water collecting well 1 is pumped into an inner cavity of a stainless steel water storage tank 8 through a submersible pump 3 and is subjected to precipitation filtration again in the inner cavity of the stainless steel water storage tank 8, then a centrifugal pump 12 works, water in the inner cavity of the stainless steel water storage tank 8 is pumped, and the water is injected into the inner cavity of a main shaft sealing pipeline 17 and is supplied to the main shaft sealing for use, so that the sand content in a main shaft sealing water supply system is greatly reduced, the service life of a main shaft sealing part of the unit is prolonged, the main shaft sealing water leakage is prevented from entering a lubricating oil tank, the condition that lubricating oil is deteriorated is accelerated, and the working stability of the main shaft sealing part of the unit is improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a bulb tubular turbine main shaft sealing water supply water source structure, includes seepage sump pit (1), stainless steel water storage tank (8), two centrifugal pumps (12) and with main shaft sealing pipeline (17), its characterized in that, be provided with two immersible pumps (3) in seepage sump pit (1), the delivery port intercommunication of immersible pump (3) has stand pipe (4), one side intercommunication of stainless steel water storage tank (8) has communicating pipe (7), the other end of communicating pipe (7) extends to the outside of stainless steel water storage tank (8), and the intercommunication has first mass flow disk (6), the other end of stand pipe (4) with first mass flow disk (6) intercommunication;
one side fixedly connected with filter (9) of stainless steel water storage tank (8), the water inlet intercommunication of centrifugal pump (12) has water suction pipe (13), the other end of water suction pipe (13) with the opposite side intercommunication of stainless steel water storage tank (8), the one end intercommunication of main shaft seal pipeline (17) has second collecting tray (16), the delivery port intercommunication of centrifugal pump (12) has discharge pipe (14), the other end of discharge pipe (14) with second collecting tray (16) intercommunication.
2. The main shaft sealing water supply source structure of the bulb tubular turbine set according to claim 1, wherein two support stand platforms (2) are fixedly connected to the top of the inner wall of the leakage water collecting well (1), the two support stand platforms (2) correspond to the two submersible pumps (3), and the submersible pumps (3) are fixedly connected to the top of the support stand platforms (2).
3. The main shaft sealing water supply source structure of the bulb through-flow unit according to claim 1, wherein the guide pipe (4) is provided with a first valve (5).
4. The bulb through-flow unit spindle sealing water supply source structure according to claim 1, characterized in that the discharge pipe (14) is provided with a second valve (15).
5. The bulb through-flow unit spindle sealing water supply source structure according to claim 1, characterized in that the surface of the stainless steel water storage tank (8) is detachably provided with an overhaul box door (10) through a plurality of bolts (20).
6. The bulb through-flow unit spindle sealing water supply source structure according to claim 1, characterized in that the surface of the stainless steel water storage tank (8) is provided with an observation window (11).
7. The main shaft sealing water supply source structure of the bulb through-flow unit according to claim 1, wherein a drain pipe (18) is communicated with the bottom of one side surface of the stainless steel water storage tank (8), and an electromagnetic valve (19) is arranged on the drain pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322503227.5U CN220769614U (en) | 2023-09-15 | 2023-09-15 | Main shaft sealing water supply source structure of bulb tubular turbine unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322503227.5U CN220769614U (en) | 2023-09-15 | 2023-09-15 | Main shaft sealing water supply source structure of bulb tubular turbine unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769614U true CN220769614U (en) | 2024-04-12 |
Family
ID=90617611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322503227.5U Active CN220769614U (en) | 2023-09-15 | 2023-09-15 | Main shaft sealing water supply source structure of bulb tubular turbine unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769614U (en) |
-
2023
- 2023-09-15 CN CN202322503227.5U patent/CN220769614U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220769614U (en) | Main shaft sealing water supply source structure of bulb tubular turbine unit | |
| CN206035947U (en) | Fluid pressure line oil discharge device | |
| CN109538536B (en) | Anti-cavitation centrifugal device and method thereof | |
| CN102828970A (en) | Vertical seal-free liquid surface sewage self-sucking pump | |
| CN212003619U (en) | Water source pool pumping system | |
| CN210240007U (en) | Horizontal mixed flow pump is from inhaling pressure device that intakes | |
| CN210800691U (en) | Liquid discharging system on upper part of piston of thin oil sealed gas chamber | |
| CN107366823B (en) | Accumulated water draining device on piston of dry type gas tank and method for supplementing water with gas | |
| CN213978900U (en) | Drainage system for ship lock maintenance | |
| CN206113757U (en) | Rubber ball cleaning system with receive ball counting assembly | |
| CN110397617A (en) | A kind of fast automatic drainage arrangement of submerged pump and its water discharge method | |
| CN218608521U (en) | Separation equipment and compressor unit | |
| CN219011279U (en) | Ultra-deep foundation pit water collecting device | |
| CN213298303U (en) | Vacuum self-sucking pot | |
| CN209507783U (en) | A kind of priming device of whole gravity flow | |
| CN214194738U (en) | Automatic oil removal oil separation tank non-negative pressure water supply equipment | |
| CN220956214U (en) | High-efficient filter that absorbs water that can go up and down voluntarily suitable for horizontal well open pump | |
| CN218600341U (en) | Condenser return water room air extraction device | |
| CN218392355U (en) | Gravity box for oil-water separation of water guide oil cavity of cross-flow pump | |
| CN219863072U (en) | Comprehensive technology water supply and drainage system | |
| CN215890495U (en) | Vertical pipeline type centrifugal pump | |
| CN214401843U (en) | Foundation drainage equipment | |
| CN215290217U (en) | Recycling system for foundation pit dewatering well water source | |
| CN215719575U (en) | Water pump for conveying bilge oil sewage in diving chamber | |
| CN115110557B (en) | Pneumatic negative pressure pumping method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |