CN214936462U - Waste water recovery system of thermal power plant - Google Patents
Waste water recovery system of thermal power plant Download PDFInfo
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- CN214936462U CN214936462U CN202022934082.0U CN202022934082U CN214936462U CN 214936462 U CN214936462 U CN 214936462U CN 202022934082 U CN202022934082 U CN 202022934082U CN 214936462 U CN214936462 U CN 214936462U
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Abstract
The utility model discloses a waste water recovery system of a thermal power plant, which comprises a water collecting pipe, a main pipe, a water collecting tank, a rotational flow device, an intermediate pipe, a clean water pipe and a sewage pipe, wherein one end of the water collecting pipe is connected with a waste water tank; the main pipe is communicated with the water collecting tank, one end of the middle pipe is communicated with the water collecting tank, the other end of the middle pipe is connected with the cyclone separation device, and the purified water pipe and the sewage pipe are both connected with the cyclone separation device. The water collecting pipe collects the wastewater in each wastewater tank into the main pipe, and the main pipe conveys the wastewater into the water collecting tank to be collected and preliminarily precipitated. The intermediate pipe carries the cyclone separation device with the waste water in the header tank, and under the effect of centrifugal force, cyclone separation device will separate through fixed granule in the waste water wherein, and clean water is discharged through the clear water pipe and is retrieved and recycled, and the waste water that contains solid particle then discharges through the sewage pipe to the waste of water resource has been reduced.
Description
Technical Field
The utility model relates to a waste water treatment technical field especially relates to a waste water recovery system of thermal power plant.
Background
The chemical sampling points of the thermal power plant unit are more, and water which is not qualified in the unit inspection is discharged in order to ensure that the water quality is qualified and the unit normally operates. Many devices in a thermal power plant require periodic flushing or water change. The water discharged from the unit and the water discharged from the equipment water tank are generally directly discharged into the sewer line, which causes a great deal of water resource waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a waste water recovery system of thermal power plant is provided, retrieve and preliminary treatment, reduce the waste of water resource to the water that emits in thermal power plant unit and the equipment.
In order to solve the above problems, the utility model adopts the following technical scheme:
a thermal power plant wastewater recovery system comprises a water collecting pipe, a main pipe, a water collecting tank, a rotational flow device, an intermediate pipe, a purified water pipe and a sewage pipe, wherein one end of the water collecting pipe is connected with a wastewater tank; the main pipe is communicated with the water collecting tank, one end of the middle pipe is communicated with the water collecting tank, the other end of the middle pipe is connected with the cyclone separation device, and the purified water pipe and the sewage pipe are both connected with the cyclone separation device.
Further, the cyclone separation device comprises a vertical cylindrical barrel, a circular top plate fixedly arranged at the top of the barrel, a bottom plate arranged below the top plate, arc-shaped guide vanes uniformly distributed between the bottom plate and the top plate along the circumferential direction, a water outlet short pipe vertically arranged at the center of the bottom plate, a feeding short pipe vertically fixedly arranged at the top of the top plate and a sewage short pipe vertically and fixedly connected to the bottom of the barrel; the lower part of the cylinder body is conical with a large-diameter end facing upwards, the top plate and the bottom plate are fixedly connected with the short water outlet pipe in a penetrating manner, the guide vanes are vertically arranged, the guide vanes are arranged between the cylinder body and the short water outlet pipe, a gap is formed between the cylinder body and the guide vanes, a gap is formed between the short water outlet pipe and the guide vanes, the top plate and the bottom plate are fixedly connected with the guide vanes, and the short feed pipe is arranged between the guide vanes and the short water outlet pipe; the distance of stator outer end distance nozzle stub center is greater than this stator inner end distance nozzle stub center, and is gapped between the adjacent stator, the sewage pipe links to each other with the blowdown nozzle stub, the intervalve links to each other with the feeding nozzle stub, the water purification pipe links to each other with the outlet short pipe.
Furthermore, baffle and baffle that crisscross each other are vertically equipped with in the middle part of the header tank, there is the clearance between baffle and the baffle, the bottom of the case and the lateral wall of header tank all with baffle fixed connection, the roof and the lateral wall of header tank all with baffle fixed connection, there is the clearance between baffle and the roof, there is the clearance between baffle and the bottom of the case, baffle and baffle divide the header tank into two parts, be the settling zone that is close to the baffle and the overflow area that is close to the baffle respectively, be responsible for and communicate with each other with the settling zone, the intervalve communicates with each other with the overflow area.
Furthermore, the bottom of the water collecting tank is gradually inclined downwards from the settling area to the overflow area, the lowest part of the overflow area is a sunken pump pit, a submersible pump is arranged in the pump pit, and a water outlet of the submersible pump is connected with the intermediate pipe.
Furthermore, a check valve and an electromagnetic valve which are connected in series are arranged on the water collecting pipe.
The utility model discloses an actively the effect does:
1. the utility model is provided with a catchment pipe, a main pipe, a water collecting tank, a cyclone separation device, a middle pipe, a purified water pipe and a sewage pipe;
the water collecting pipe collects the wastewater in each wastewater tank into the main pipe, and the main pipe conveys the wastewater into the water collecting tank to be collected and preliminarily precipitated. The intermediate pipe carries the cyclone separation device with the waste water in the header tank, and under the effect of centrifugal force, cyclone separation device will separate through fixed granule in the waste water wherein, and clean water is discharged through the clear water pipe and is retrieved and recycled, and the waste water that contains solid particle then discharges through the sewage pipe to the waste of water resource has been reduced.
2. The cyclone separation device comprises a cylinder, a top plate, a bottom plate, eight guide vanes, a short water outlet pipe and a short feeding pipe, wherein the eight guide vanes are uniformly distributed between the bottom plate and the top plate along the circumferential direction; the waste water containing particles enters the feeding cavity through the feeding short pipe, then the waste water flows to the cylinder through the gap between the adjacent guide vanes under the action of the guide vanes and rotates, and the solid particles are thrown to the inner wall of the cylinder under the action of centrifugal force, slide downwards along the inner wall of the cone cylinder to the sewage draining short pipe and are discharged by the sewage draining short pipe; the clean water is discharged from the water outlet short pipe for recycling. Under the effect of eight pieces of stator, waste water rotates behind outflow feeding cavity, and is more stable during the rotation, and speed is also faster, has improved the filtering effect to solid particulate matter.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic structural view of a cyclonic separating apparatus;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
in the figure, 1, a waste water tank; 2. a one-way valve; 3. an electromagnetic valve; 4. a water collecting pipe; 5. a main pipe; 6. a water collection tank; 7. a baffle plate; 8. a partition plate; 9. an intermediate pipe; 10. a submersible pump; 11. a pump pit; 12. a water purifying pipe; 13. a cyclonic separation device; 14. a sewage pipe; 15. a cylinder; 16. a conical cylinder; 17. a short sewage discharge pipe; 18. a top plate; 19. a guide vane; 20. a base plate; 21. a short water outlet pipe; 22. a short feeding pipe.
Detailed Description
As shown in FIG. 1, waste water discharged from a chemical sampling point and a time of cleaning or changing water of an apparatus are stored in a waste water tank 1, respectively.
A thermal power plant wastewater recovery system comprises a plurality of catchment pipes 4, a main pipe 5, a water collecting tank 6, a cyclone separation device 13, an intermediate pipe 9, a purified water pipe 12 and a sewage pipe 14, wherein the upper ends of the catchment pipes 4 are respectively connected with the bottoms of wastewater tanks 1; the main pipe 5 is communicated with the water collecting tank 6, one end of the middle pipe 9 is communicated with the water collecting tank 6, the other end of the middle pipe is connected with the cyclone separation device 13, and the purified water pipe 12 and the sewage pipe 14 are both connected with the cyclone separation device 13.
The water collecting pipe 4 collects the waste water in each waste water tank 1 into the main pipe 5, and the main pipe 5 conveys the waste water into the water collecting tank 6 to be collected and primarily precipitated. The middle pipe 9 conveys the wastewater in the water collecting tank 6 to the cyclone separation device 13, the cyclone separation device 14 separates fixed particles in the wastewater passing through the cyclone separation device under the action of centrifugal force, clean water is discharged through the purified water pipe 12 to be recycled, and the wastewater containing solid particles is discharged through the sewage pipe 14, so that the waste of water resources is reduced.
The cyclone separation device 13 comprises a vertical cylindrical barrel, a circular top plate 18 fixedly arranged at the top of the barrel, a bottom plate 20 arranged below the top plate 18, eight arc-shaped guide vanes 19 uniformly distributed between the bottom plate 20 and the top plate 18 along the circumferential direction, a water outlet short pipe 21 vertically arranged at the center of the bottom plate 20 and a feeding short pipe 22 vertically welded at the top of the top plate 18. The barrel comprises a conical barrel 16 with a large diameter end facing upwards and a cylinder 15 vertically welded to the top of the conical barrel 16, and the top plate 18 is welded to the top of the cylinder 15. The welding of the 16 lower extremes of awl section of thick bamboo has rather than inside communicating blowdown nozzle stub 17, roof 18 and bottom plate 20 all run through the welding with play water nozzle stub 21, stator 19 is vertical setting, stator 19 sets up between drum 15 and play water nozzle stub 21, it is gapped between drum 15 and the stator 19, it is gapped between play water nozzle stub 21 and the stator 19, roof 18 and bottom plate 20 all weld with stator 19, feeding nozzle stub 22 sets up between stator 19 and play water nozzle stub 21. Eight guide vanes 19 enclose a feeding cavity, and the feeding end pipe 22 is communicated with the feeding cavity. The distance from the outer end of the guide vane 19 to the center of the short pipe is larger than the distance from the inner end of the guide vane 19 to the center of the short pipe, and a gap is reserved between adjacent guide vanes 19. The sewage pipe 14 is connected with the short sewage discharge pipe 17, the middle pipe 9 is connected with the short feeding pipe 22, and the purified water pipe 12 is connected with the short water outlet pipe 21.
The waste water containing particles enters the feeding cavity through the feeding short pipe 22, then the waste water flows to the cylinder 15 through the gap between the adjacent guide vanes 19 under the action of the guide vanes 19 and rotates, the solid particles are thrown to the inner wall of the cylinder 15 under the action of centrifugal force, slide downwards along the inner wall of the conical cylinder 16 to the sewage draining short pipe 17, and are discharged from the sewage draining short pipe 17; the clean water is discharged from the short water outlet pipe 21 for recycling.
Under eight pieces of 19 effects of stator, waste water rotates after flowing out the feeding chamber, and is more stable during the rotation, and speed is also faster, has improved the filtering effect to solid particulate matter.
The vertical baffle 8 and the baffle 7 that are equipped with crisscross each other in water collection tank 6 middle part, it is gapped between baffle 8 and the baffle 7, the bottom of the case and the lateral wall of water collection tank 6 all weld with baffle 7, the roof and the lateral wall of water collection tank 6 all weld with baffle 8, it is gapped between baffle 7 and the roof, it is gapped between baffle 8 and the bottom of the case, baffle 8 and baffle 7 divide water collection tank 6 into two parts, are the left settling zone of baffle 7 and the overflow area on baffle 8 right side respectively, be responsible for 5 and communicate with each other with the settling zone, intervalve 9 communicates with each other with the overflow area.
Waste water gets into the precipitation zone through being responsible for 5 and carries out preliminary sedimentation, reduces solid particle content in the waste water, and the solid particle who deposits down is blockked by baffle 7, makes partly solid particle obtain driving.
The bottom of the water collecting tank 6 is gradually inclined downwards from a settling area to an overflow area, the lowest part of the overflow area is a sunken pump pit 11, a submersible pump 10 is arranged in the pump pit 11, and a water outlet of the submersible pump 10 is connected with a middle pipe 9.
The water collecting pipe 4 is provided with a check valve 2 and an electromagnetic valve 3 which are connected in series.
The above-mentioned embodiments are described in detail and specifically, so as to explain the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the present invention, and the scope of the present invention should not be limited by the embodiment, i.e. all equivalent changes or modifications made by the spirit of the present invention, for researchers or technicians in the field, within the structure of the present invention, the local modifications inside the system and the changes, transformations, etc. between the subsystems are still within the scope of the present invention.
Claims (5)
1. A waste water recovery system of a thermal power plant is characterized by comprising a water collecting pipe (4) with one end connected with a waste water tank (1), a main pipe (5) connected with the other end of the water collecting pipe (4), a water collecting tank (6), a rotational flow device, an intermediate pipe (9), a purified water pipe (12) and a sewage pipe (14); the main pipe (5) is communicated with the water collecting tank (6), one end of the middle pipe (9) is communicated with the water collecting tank (6), the other end of the middle pipe is connected with the cyclone separation device (13), and the purified water pipe (12) and the sewage pipe (14) are both connected with the cyclone separation device (13).
2. The thermal power plant wastewater recovery system according to claim 1, wherein the cyclone separation device (13) comprises a vertical cylindrical barrel, a circular top plate (18) fixedly arranged at the top of the barrel, a bottom plate (20) arranged below the top plate (18), circular guide vanes (19) uniformly distributed between the bottom plate (20) and the top plate (18) along the circumferential direction, a water outlet short pipe (21) vertically arranged at the center of the bottom plate (20), a feeding short pipe (22) vertically and fixedly arranged at the top of the top plate (18), and a sewage discharge short pipe (17) vertically and fixedly connected to the bottom of the barrel; the lower part of the cylinder body is conical with a large-diameter end facing upwards, the top plate (18) and the bottom plate (20) are fixedly connected with the short water outlet pipe (21) in a penetrating manner, the guide vane (19) is vertically arranged, the guide vane (19) is positioned between the cylinder body and the short water outlet pipe (21), a gap for water flow to pass through is formed between the cylinder body and the guide vane (19), a gap is formed between the short water outlet pipe (21) and the guide vane (19), the top plate (18) and the bottom plate (20) are fixedly connected with the guide vane (19), and the short material inlet pipe (22) is arranged between the guide vane (19) and the short water outlet pipe (21); the distance of stator (19) outer end distance nozzle stub center is greater than this stator (19) inner end distance nozzle stub center, and is gapped between adjacent stator (19), sewage pipe (14) link to each other with blowdown nozzle stub (17), intermediate pipe (9) link to each other with feeding nozzle stub (22), water purification pipe (12) link to each other with play water nozzle stub (21).
3. The waste water recovery system of the thermal power plant as claimed in claim 1, wherein the middle of the water collecting tank (6) is vertically provided with a partition plate (8) and a baffle plate (7) which are staggered with each other, a gap is reserved between the partition plate (8) and the baffle plate (7), the bottom and the side wall of the water collecting tank (6) are fixedly connected with the baffle plate (7), the top and the side wall of the water collecting tank (6) are fixedly connected with the partition plate (8), a gap is reserved between the baffle plate (7) and the top, a gap is reserved between the partition plate (8) and the bottom, the partition plate (8) and the baffle plate (7) separate the water collecting tank (6) into two parts, namely a settling area close to the baffle plate (7) and an overflow area close to the partition plate (8), the main pipe (5) is communicated with the settling area, and the intermediate pipe (9) is communicated with the overflow area.
4. The waste water recovery system of the thermal power plant according to claim 3, characterized in that the bottom of the water collecting tank (6) is gradually inclined downwards from a settling area to an overflow area, the lowest part of the overflow area is a sunken pump pit (11), a submersible pump (10) is arranged in the pump pit (11), and the water outlet of the submersible pump (10) is connected with the intermediate pipe (9).
5. The waste water recovery system of the thermal power plant as claimed in claim 1, characterized in that the water collecting pipe (4) is provided with a check valve (2) and an electromagnetic valve (3) which are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022934082.0U CN214936462U (en) | 2020-12-10 | 2020-12-10 | Waste water recovery system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022934082.0U CN214936462U (en) | 2020-12-10 | 2020-12-10 | Waste water recovery system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214936462U true CN214936462U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022934082.0U Active CN214936462U (en) | 2020-12-10 | 2020-12-10 | Waste water recovery system of thermal power plant |
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| Country | Link |
|---|---|
| CN (1) | CN214936462U (en) |
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- 2020-12-10 CN CN202022934082.0U patent/CN214936462U/en active Active
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