CN220317510U - Waste water treatment system of thermal power plant - Google Patents
Waste water treatment system of thermal power plant Download PDFInfo
- Publication number
- CN220317510U CN220317510U CN202321894166.3U CN202321894166U CN220317510U CN 220317510 U CN220317510 U CN 220317510U CN 202321894166 U CN202321894166 U CN 202321894166U CN 220317510 U CN220317510 U CN 220317510U
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- China
- Prior art keywords
- mixing
- tank
- shaft
- tank body
- lifting
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 32
- 238000005189 flocculation Methods 0.000 claims abstract description 23
- 230000016615 flocculation Effects 0.000 claims abstract description 22
- 238000004062 sedimentation Methods 0.000 claims abstract description 19
- 239000003245 coal Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000002351 wastewater Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 4
- 238000004140 cleaning Methods 0.000 abstract description 9
- 238000007599 discharging Methods 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a thermal power plant wastewater treatment system, which comprises a coal wastewater collection tank, a primary filter tank and a flocculation sedimentation tank which are connected in sequence; the flocculation sedimentation tank comprises a tank body, wherein flocculant adding mechanisms are arranged on two sides of the upper end of the tank body, and a lifting stirring mechanism is arranged in the middle of the tank body; lifting type rabbling mechanism includes the lift base plate, and lift base plate both ends are equipped with the lift cylinder, and the below at lift base plate middle part is equipped with the (mixing) shaft, and the (mixing) shaft upper end is equipped with the (mixing) motor that is fixed in lift base plate top, and the top on the (mixing) shaft is equipped with double-end cylinder, and the two output of double-end cylinder are equipped with the backup pad that parallels with the (mixing) shaft, are equipped with the movable stirring rake that distributes from top to bottom in the backup pad. The utility model has the characteristics of convenient cleaning and labor intensity reduction.
Description
Technical Field
The utility model relates to the field of coal wastewater treatment, in particular to a wastewater treatment system of a thermal power plant.
Background
At present, the power source of China is mainly coal-fired power generation, a large amount of flushing water from belt trestle, transfer station, gas-coal road and the like and coal-containing wastewater which is collected by rainfall in coal yard areas are generated in coal-fired power plants each day, the coal-containing wastewater has the characteristics of large suspended matter amount, high chromaticity and the like, and the suspended matter is generally subjected to flocculating and precipitating treatment by using flocculating agents such as polyaluminium chloride and the like and then is discharged. However, after the flocculation sedimentation is finished, a part of sediment is attached to the inner wall surface of the sedimentation tank in the existing flocculation sedimentation tank, the sedimentation tank needs to be cleaned manually, the cleaning work is troublesome, and the labor intensity is high. Therefore, the prior art has the problems of troublesome cleaning and high labor intensity.
Disclosure of Invention
The utility model aims to provide a waste water treatment system of a thermal power plant. The utility model has the characteristics of convenient cleaning and labor intensity reduction.
The technical scheme of the utility model is as follows: the waste water treatment system of the thermal power plant comprises a coal waste water collecting tank, a primary filtering tank and a flocculation sedimentation tank which are connected in sequence; the flocculation sedimentation tank comprises a tank body, wherein flocculant adding mechanisms are arranged on two sides of the upper end of the tank body, and a lifting stirring mechanism is arranged in the middle of the tank body; lifting type rabbling mechanism includes the lift base plate, and lift base plate both ends are equipped with the lift cylinder, and the below at lift base plate middle part is equipped with the (mixing) shaft, and the (mixing) shaft upper end is equipped with the (mixing) motor that is fixed in lift base plate top, and the top on the (mixing) shaft is equipped with double-end cylinder, and the two output of double-end cylinder are equipped with the backup pad that parallels with the (mixing) shaft, are equipped with the movable stirring rake that distributes from top to bottom in the backup pad.
In the waste water treatment system of the thermal power plant, a telescopic rod is further arranged between the supporting plate and the stirring shaft.
In the waste water treatment system of the thermal power plant, the primary filter tank comprises a filter tank body, and a plurality of filter screen assemblies which are distributed in parallel are arranged in the filter tank body.
Compared with the prior art, the utility model completes the treatment of the coal wastewater through the coal wastewater collecting tank, the primary filtering tank and the flocculation sedimentation tank which are connected in sequence; by arranging the lifting stirring mechanism in the flocculation sedimentation tank, on one hand, the distance and the height of the movable stirring paddles can be adjusted through the mutual matching between the lifting cylinder and the double-head cylinder, so that the sediment attached to the inner wall surface of the tank body is scraped, manual cleaning is not needed, and the labor intensity of cleaning attachments is greatly reduced; on the other hand, the stirring effect can be improved, and the flocculation efficiency can be improved. Meanwhile, the utility model also effectively removes suspended matters and other impurities before flocculation operation by arranging the primary filter tank, thereby reducing the treatment capacity of the subsequent flocculation sedimentation tank and improving the overall treatment efficiency of the coal wastewater. In conclusion, the utility model has the characteristics of convenient cleaning and labor intensity reduction.
Drawings
FIG. 1 is a structural view of the present utility model;
fig. 2 is a partial enlarged view of fig. 1.
Description of the marks in the accompanying drawings: 1-coal wastewater collection tank, 2-primary filter tank, 3-flocculation sedimentation tank, 301-tank body, 303-flocculant adding mechanism, 302-lifting stirring mechanism, 321-lifting base plate, 322-lifting cylinder, 323-stirring shaft, 324-stirring motor, 325-double-head cylinder, 326-support plate, 327-movable stirring paddle, 328-telescopic rod, 201-filter tank body and 202-filter screen assembly.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples. The wastewater treatment system of the thermal power plant is shown in figures 1-2 and comprises a coal wastewater collection tank 1, a primary filter tank 2 and a flocculation sedimentation tank 3 which are connected in sequence; the flocculation sedimentation tank 3 comprises a tank body 301, wherein flocculant adding mechanisms 303 are arranged on two sides of the upper end of the tank body 301, and a lifting stirring mechanism 302 is arranged in the middle of the tank body 301; the lifting stirring mechanism 302 comprises a lifting base plate 321, lifting cylinders 322 are arranged at two ends of the lifting base plate 321, a stirring shaft 323 is arranged below the middle of the lifting base plate 321, a stirring motor 324 fixed above the lifting base plate 321 is arranged at the upper end of the stirring shaft 323, a double-head cylinder 325 is arranged at the top of the stirring shaft 323, supporting plates 326 parallel to the stirring shaft 323 are arranged at two output ends of the double-head cylinder 325, and movable stirring paddles 327 distributed vertically in multiple layers are arranged on the supporting plates 326.
A telescopic rod 328 is also arranged between the supporting plate 326 and the stirring shaft 323.
The primary filter tank 2 comprises a filter tank body 201, and a plurality of filter screen assemblies 202 which are distributed in parallel are arranged in the filter tank body 201.
The double-end cylinder is fixed on the mounting plate, the mounting plate is provided with sliding rods positioned on two sides of the double-end cylinder, the sliding rods are provided with sliding seats, and the upper ends of the supporting plates are fixed on the sliding seats.
The working process of the utility model comprises the following steps: firstly, discharging coal wastewater into a wastewater collection tank for storage through a pipeline, then sequentially discharging the coal wastewater into a primary filter tank, filtering by a filter screen assembly, discharging the coal wastewater into a flocculation sedimentation tank for flocculation treatment, and finally discharging clear water at the upper layer and sediment at the lower part to a designated area or a subsequent treatment link respectively.
The operation process in the flocculation sedimentation tank is as follows: the filtered coal wastewater is discharged into a flocculation sedimentation tank, a flocculating agent is added, and then a lifting stirring mechanism performs up-down stirring operation, so that the flocculating agent is uniformly distributed, and the flocculation speed can be increased. After flocculation precipitation is completed, the flocculation precipitation and the supernatant are sequentially discharged out of the tank body, the double-head air cylinder works to drive the two support plates to expand outwards, so that the outer end face of the movable stirring paddle contacts with the inner wall face of the tank body, and the stirring motor works to drive the movable stirring paddle to rotate, thereby realizing scraping and cleaning of the inner wall face of the tank body; the lifting operation of the lifting cylinder is used for changing the operation position of scraping and cleaning.
Lifting is realized by driving a corresponding stirring shaft and a movable stirring paddle through lifting of a lifting cylinder.
According to the utility model, the filter screen assemblies are arranged, so that the filtering effect can be improved, and the normal filtering operation can be ensured when one filter screen assembly is required to be replaced or cleaned. The lifting driving mechanism is arranged at the upper end of the filter screen assembly to drive the filter screen assembly to lift, so that the filter screen assembly is cleaned and replaced.
Claims (3)
1. Waste water treatment system of thermal power plant, its characterized in that: comprises a coal wastewater collecting tank (1), a primary filtering tank (2) and a flocculation sedimentation tank (3) which are connected in sequence; the flocculation sedimentation tank (3) comprises a tank body (301), flocculant adding mechanisms (303) are arranged on two sides of the upper end of the tank body (301), and a lifting stirring mechanism (302) is arranged in the middle of the tank body (301); lifting type stirring mechanism (302) are including lifting substrate (321), lifting substrate (321) both ends are equipped with lift cylinder (322), the below at lifting substrate (321) middle part is equipped with (mixing) shaft (323), (mixing) shaft (323) upper end is equipped with agitator motor (324) that are fixed in lifting substrate (321) top, the top on (mixing) shaft (323) is equipped with double-end cylinder (325), the two output of double-end cylinder (325) are equipped with backup pad (326) that are parallel with (mixing) shaft (323), be equipped with movable stirring rake (327) of multilayer vertical distribution on backup pad (326).
2. A thermal power plant wastewater treatment system as recited in claim 1, wherein: a telescopic rod (328) is further arranged between the supporting plate (326) and the stirring shaft (323).
3. A thermal power plant wastewater treatment system as recited in claim 1, wherein: the primary filter tank (2) comprises a filter tank body (201), and a plurality of filter screen assemblies (202) which are distributed in parallel are arranged in the filter tank body (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321894166.3U CN220317510U (en) | 2023-07-18 | 2023-07-18 | Waste water treatment system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321894166.3U CN220317510U (en) | 2023-07-18 | 2023-07-18 | Waste water treatment system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220317510U true CN220317510U (en) | 2024-01-09 |
Family
ID=89422591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321894166.3U Active CN220317510U (en) | 2023-07-18 | 2023-07-18 | Waste water treatment system of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220317510U (en) |
-
2023
- 2023-07-18 CN CN202321894166.3U patent/CN220317510U/en active Active
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