CN219922195U - Sewage blocking system for circulating water multi-layer filter screen - Google Patents
Sewage blocking system for circulating water multi-layer filter screen Download PDFInfo
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- CN219922195U CN219922195U CN202320474734.8U CN202320474734U CN219922195U CN 219922195 U CN219922195 U CN 219922195U CN 202320474734 U CN202320474734 U CN 202320474734U CN 219922195 U CN219922195 U CN 219922195U
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- water
- filter screen
- condenser
- tower
- circulating water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 172
- 230000000903 blocking effect Effects 0.000 title abstract description 7
- 239000010865 sewage Substances 0.000 title abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 239000000498 cooling water Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a sewage blocking system for a circulating water multi-layer filter screen, which comprises a cooling tower, a tower pool, a water outlet pipe ditch of the water tower, an inlet pipeline of a circulating water pump, an outlet pipeline of the circulating water pump, a filter screen of the cooling tower inlet, a filter screen of the cooling tower pool, a filter screen of the front pool of the inlet of the circulating water pump, a filter device of the first side water of the condenser and a filter device of the second side water of the condenser, wherein the upper end of the filter screen of the cooling tower inlet is positioned at the middle position of the air inlet, the lower end of the filter screen of the cooling tower pool is positioned at the bottom of the tower pool, the upper end of the filter screen of the cooling tower pool is positioned at the bottom of the tower pool, the front end of the filter screen of the circulating water pump inlet is connected with the water outlet pipe ditch of the water tower, and the rear end of the filter screen of the cooling tower is connected with the inlet pipeline of the circulating water pump. The circulating water multi-layer filter screen dirt-blocking system adopts different forms of filter screens according to different sundries, has good dirt-blocking effect and is not easy to block.
Description
Technical Field
The utility model relates to the field of circulating water filtration, in particular to a sewage blocking system for a circulating water multi-layer filter screen.
Background
The wet cooling turbo generator set cools the steam turbine exhaust by using a closed circulating water, the circulating water absorbs heat and then enters a cooling tower for cooling, and the cooled circulating water cools the steam turbine exhaust again to maintain the normal operation of the steam turbine. However, a large amount of sundries entering the circulating water system frequently block the filter screen, so that the safe and economical operation of the steam turbine generator unit is affected.
At present, the treatment technologies for filter screen dirt in the technical market can be generally divided into 2 major categories: firstly, an online cleaning technology; and secondly, a filter screen pollution resistance technology. The on-line cleaning mainly aims at better water quality, sundries can be automatically cleaned from a filter screen by a brush, but the cleaner the flocculent and flexible organic sundries are, the more severe the blockage is, and finally the flocculent and flexible organic sundries are cleaned by manual beating. The filter screen dirt-blocking technology is common, and the filter screen needs to be cleaned manually and regularly.
With respect to the related art described above, the inventors consider that there are the following drawbacks: the current filter screen has an unsatisfactory filtering effect on different types of sundries and is easy to block, so that the filter screen needs to be improved.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a sewage-blocking system for a circulating water multi-layer filter screen.
The utility model is realized by the following technical scheme:
the utility model provides a be used for multi-level filter screen of circulating water to hinder dirty system, includes cooling tower, water tower pond, water tower play water pipe ditch, circulating water pump entry pipeline, circulating water pump outlet pipe way and condenser, still includes cooling tower air intake filter screen, cooling water tower pond filter screen, circulating water pump entry forebay filter screen, condenser first side water intake filter equipment, condenser second side water intake filter equipment, cooling water tower air intake filter screen upper end is located the air intake intermediate position, the lower extreme is located the air intake bottom, cooling water tower air intake filter screen surrounds cooling tower air intake a week, cooling water tower pond filter screen upper end is high with water tower pond plane, and the lower extreme is located water tower pond bottom, circulating water pump entry forebay filter screen front end is connected with water tower play water pipe ditch, and the rear end is connected with circulating water pump entry pipeline, condenser first side water intake filter equipment first end is connected with condenser first side water supply pipe, and condenser first side water intake pipe connection, third end and condenser first side water intake filter equipment, condenser second side water intake filter equipment first end is connected with condenser second side water supply pipe connection, the second end is connected with condenser second side water intake pipe connection, third side water intake filter equipment is connected with drain pipe.
Optionally, the aperture of the filter screen of the air inlet of the water cooling tower is 20mm x 20mm.
Optionally, the aperture of the cold water tower pool filter screen is 15mm x 15mm.
Optionally, the pore diameter of the filter screen of the front pool at the inlet of the circulating water pump is 10mm x 10mm.
Optionally, V-shaped filter screens are arranged in the drain pipe of the water inlet filter device on the first side of the condenser and the drain pipe of the water inlet filter device on the second side of the condenser.
Optionally, the diameter of the round hole of the V-shaped filter screen is 5mm.
The beneficial effects of the utility model are as follows:
the circulating water multi-layer filter screen dirt-blocking system adopts different forms of filter screens according to different sundries, has good dirt-blocking effect, is not easy to block the filter screens, has long running period of the whole system, can thoroughly clean the whole system once every year when the system is stopped, greatly reduces the daily maintenance workload of overhaulers, saves a large amount of manpower and material resources, and simultaneously ensures the safe and stable running of the steam turbine generator set.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Reference numerals illustrate:
1. filtering net at air inlet of water cooling tower; 2. a cold water tower Chi Lvwang; 3. a front pool filter screen at the inlet of the circulating water pump; 4. the first side water inlet filter device of the condenser; 5. the water inlet filter device of the condenser B side; 6. a water cooling tower; 7. a water tower pool; 8. a condenser; 9. a circulating water pump; 10. a water outlet of the water tower; 11. a water outlet pipe ditch of the water tower; 12. an inlet pipe of the circulating water pump; 13. an outlet pipe of the circulating water pump; 14. a water supply pipeline at the first side of the condenser; 15. a water supply pipeline at the second side of the condenser; 16. a water inlet pipeline of the first condenser; 17. a water inlet pipeline of the condenser B; 18. a circulating water return line; 19. a water inlet filter device blow-off pipe is arranged on the first side of the condenser; 20. and a drain pipe of the water inlet filtering device is arranged on the second side of the condenser.
Description of the embodiments
The present utility model will be described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a sewage blocking system for a circulating water multi-level filter screen. Referring to fig. 1, the condenser comprises a cooling tower 6, a water tower pool 7, a water tower outlet pipe ditch 11, a circulating water pump inlet pipeline 12, a circulating water pump 9, a circulating water pump outlet pipeline 13 and a condenser 8, and further comprises a cooling tower air inlet filter screen 1, a cooling water tower pool filter screen 2, a circulating water pump inlet front pool filter screen 3, a condenser first side water filtering device 4 and a condenser second side water filtering device 5. The upper end of the cooling tower air inlet filter screen 1 is positioned at the middle position of the cooling tower 6 air inlet, the lower end of the cooling tower air inlet filter screen 1 is positioned at the bottom of the air inlet, the cooling tower air inlet filter screen 1 surrounds the water tower air inlet for a circle, and the aperture of the cooling tower air inlet filter screen 1 is 20mm x 20mm.
Referring to fig. 1, a cold water tower pool filter screen 2 is positioned in front of a water tower water outlet 10, the upper end is as high as the upper plane of a water tower pool 7, the lower end is positioned at the bottom of the water tower pool 7, and the aperture of the cold water tower pool filter screen 2 is 15mm x 15mm. The front end of the circulating water pump inlet front pool filter screen 3 is connected with a water tower outlet pipe ditch 11, the rear end is connected with a circulating water pump inlet pipeline 12, and the aperture of the circulating water pump inlet front pool filter screen 3 is 10mm x 10mm. The front end of the circulating water pump 9 is connected with an inlet pipeline 12 of the circulating water pump, and the rear end is connected with an outlet pipeline 13 of the circulating water pump. The first end of the condenser first side water inlet filter device 4 is connected with a condenser first side water supply pipeline 14, the second end is connected with a condenser first side water inlet pipeline 16, and the third end is connected with a condenser first side water inlet filter device drain pipe 19. The first end of the condenser B side water inlet filter device 5 is connected with a condenser B side water supply pipeline 15, the second end is connected with a condenser B side water inlet pipeline 17, the third end is connected with a condenser B side water inlet filter device drain pipe 20, and V-shaped filter screens are arranged in the condenser A side water inlet filter device drain pipe 19 and the condenser B side water inlet filter device drain pipe 20, and the diameter of round holes of the V-shaped filter screens is 5mm. The cooling water backwater of the condenser 8 is collected on a circulating water backwater pipeline 18 and enters a cooling water tower 6 for cooling, and the cooled water is collected in a water tower pool 7.
In windy weather, the filter screen 1 at the air inlet of the cooling tower blocks large plant stems, leaves and sundries, and a small amount of sundries enter the water tower pool 7.
When broken fragments, small sundries and flocculent flexible organic sundries of the water tower filler enter the water tower pool 7, the filter screen 2 of the water cooling tower pool stops the broken fragments, the small sundries and the flocculent flexible organic sundries of the water tower filler. Broken fragments and small sundries of the water tower filler are hung on the filter screen 2 of the tower pool of the cold water tower or fall on the lower part of the filter screen 2 of the tower pool of the cold water tower, flocculent and flexible organic sundries are attached to the filter screen 2 of the tower pool of the cold water tower, decay after a period of time, become organic matters and fall into the tower pool 7 of the water tower.
When broken fragments, small sundries and flocculent small pieces of flexible organic sundries of the water tower filler entering between the water cooling tower pool filter screen 2 and the water tower water outlet 10 enter the circulating water pump inlet front pool filter screen 3, a small amount of sundries are attached to the circulating water pump inlet front pool filter screen 3, and the circulating water pump inlet front pool filter screen 3 is manually cleaned when the liquid level difference between the front and rear of the circulating water pump inlet front pool filter screen 3 is 0.4 meter.
When a small amount of sundries enter the first side water inlet filter device 4 and the second side water inlet filter device 5 of the condenser, and the water outlet at two sides of the condenser 8 is deviated, the first side water inlet filter device 4 and the second side water inlet filter device 5 of the condenser are flushed on line, and discharged through the drain pipe 19 of the first side water inlet filter device of the condenser and the drain pipe 20 of the second side water inlet filter device of the condenser.
The embodiment of the utility model provides an implementation principle of a sewage blocking system for a circulating water multi-layer filter screen, which comprises the following steps: the circulating water multi-layer filter screen dirt-blocking system adopts different forms of filter screens according to different sundries, the dirt-blocking effect is good, the blocking rate of each layer of filter screen can reach more than 95%, the filter screens are made of stainless steel materials, corrosion cannot occur under the acidic water quality of the circulating water, the running period is long, the circulating water multi-layer filter screen dirt-blocking system is thoroughly cleaned once when shut down every year, the daily maintenance workload of overhaulers is greatly reduced, a large amount of manpower and material resources are saved, and meanwhile, the safe and stable running of a steam turbine generator set is ensured.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. A be used for multi-level filter screen of circulating water to hinder dirty system, includes cooling tower (6), water tower pond (7), water tower play water pipe ditch (11), circulating water pump entry pipeline, circulating water pump (9), circulating water pump outlet pipe way and condenser (8), its characterized in that: still include cooling tower air intake filter screen (1), cooling water tower Chi Lvwang (2), circulating water pump entry front tank filter screen (3), condenser first side water intake filter equipment (4), condenser second side water intake filter equipment (5), cooling tower air intake filter screen (1) upper end is located the air intake intermediate position, the lower extreme is located the air intake bottom, cooling tower air intake filter screen (1) encircles cooling tower (6) air intake a week, cooling water tower Chi Lvwang (2) upper end is high with water tower pond (7) plane, and the lower extreme is located water tower pond (7) bottom, circulating water pump entry front tank filter screen (3) front end is connected with water tower play water pipe ditch (11), and the rear end is connected with circulating water pump (9) entry pipeline, condenser first side water intake filter equipment (4) first end is connected with condenser (8) first side pipeline, and condenser second side water intake pipeline are connected, third end and condenser first side water intake filter equipment (4) are connected, condenser second side water filter equipment (5) first end is connected with condenser second side water supply pipe (8) second side pipeline, second side water supply pipe is connected with condenser second side water supply pipe (5) second side water intake filter equipment.
2. The system for circulating water multi-layer screen pollution abatement of claim 1, wherein: the aperture of the air inlet filter screen (1) of the water cooling tower (6) is 20mm x 20mm.
3. The system for circulating water multi-layer screen pollution abatement of claim 1, wherein: the aperture of the cooling tower (6) tower Chi Lvwang (2) is 15mm x 15mm.
4. The system for circulating water multi-layer screen pollution abatement of claim 1, wherein: the aperture of the front pool filter screen (3) at the inlet of the circulating water pump (9) is 10mm by 10mm.
5. The system for circulating water multi-layer screen pollution abatement of claim 1, wherein: v-shaped filter screens are arranged in a drain pipe of the first side water inlet filter device (4) of the condenser (8) and a drain pipe of the second side water inlet filter device (5) of the condenser (8).
6. The system for circulating water multi-layer screen pollution abatement of claim 5, wherein: the diameter of the round hole of the V-shaped filter screen is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474734.8U CN219922195U (en) | 2023-03-14 | 2023-03-14 | Sewage blocking system for circulating water multi-layer filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474734.8U CN219922195U (en) | 2023-03-14 | 2023-03-14 | Sewage blocking system for circulating water multi-layer filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219922195U true CN219922195U (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320474734.8U Active CN219922195U (en) | 2023-03-14 | 2023-03-14 | Sewage blocking system for circulating water multi-layer filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219922195U (en) |
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2023
- 2023-03-14 CN CN202320474734.8U patent/CN219922195U/en active Active
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