CN221107386U - High-efficiency low-cost raw water treatment device - Google Patents
High-efficiency low-cost raw water treatment device Download PDFInfo
- Publication number
- CN221107386U CN221107386U CN202323145174.0U CN202323145174U CN221107386U CN 221107386 U CN221107386 U CN 221107386U CN 202323145174 U CN202323145174 U CN 202323145174U CN 221107386 U CN221107386 U CN 221107386U
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- Prior art keywords
- tank
- filter
- tank body
- annular
- raw water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000004062 sedimentation Methods 0.000 claims abstract description 12
- 238000007790 scraping Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 20
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a high-efficiency low-cost raw water treatment device, which comprises a first filtering tank, a sedimentation tank and a second filtering tank which are sequentially connected, wherein a return pipe is arranged between a water inlet of the first filtering tank and a water outlet of the second filtering tank, and a valve and a water pump are arranged on the return pipe; the first filter tank and the second filter tank comprise a tank body, brackets are arranged above the front side and the rear side of the tank body, a rotating shaft is arranged between the two brackets, an annular bracket is arranged in the middle of the rotating shaft, annular filter screens are arranged on the front side and the rear side of the annular bracket, and the lower half part of the annular filter screens is positioned in the tank body; the bracket is also provided with a filter residue receiving disc corresponding to the circular filter screen; the upper end of one side of the tank body is provided with a water inlet, and the lower end of the tank body is provided with a water outlet. The utility model has the characteristics of effectively improving the treatment efficiency and reducing the operation and maintenance cost.
Description
Technical Field
The utility model relates to a raw water treatment device of a thermal power plant, in particular to a high-efficiency low-cost raw water treatment device.
Background
In the process of generating electricity, a large amount of water is needed in the thermal power plant; at present, the water source for the power plant is river network water and reservoir water nearby the power plant, and a large amount of suspended matters, suspended sediment, colloid substances and other impurities exist in the water, so that the water quality requirement of the water for the power plant cannot be met, and a purification station is arranged in the power plant for treating raw water. At present, the raw water is treated by pre-precipitation and flocculation, but the raw water contains a large amount of impurities, so that the filter screen needs to be replaced or cleaned regularly during the pre-precipitation treatment, the cost is high, the treatment efficiency of the pre-precipitation is affected, and the overall water treatment efficiency is further affected. Therefore, the prior art has the problems of unsatisfactory treatment efficiency and high cost.
Disclosure of utility model
The utility model aims to provide an efficient and low-cost raw water treatment device. The utility model has the characteristics of effectively improving the treatment efficiency and reducing the operation and maintenance cost.
The technical scheme of the utility model is as follows: the high-efficiency low-cost raw water treatment device comprises a first filtering tank, a sedimentation tank and a second filtering tank which are sequentially connected, wherein a return pipe is arranged between a water inlet of the first filtering tank and a water outlet of the second filtering tank, and a valve and a water pump are arranged on the return pipe; the first filter tank and the second filter tank comprise a tank body, brackets are arranged above the front side and the rear side of the tank body, a rotating shaft is arranged between the two brackets, an annular bracket is arranged in the middle of the rotating shaft, annular filter screens are arranged on the front side and the rear side of the annular bracket, and the lower half part of the annular filter screens is positioned in the tank body; the bracket is also provided with a filter residue receiving disc corresponding to the circular filter screen; the upper end of one side of the tank body is provided with a water inlet, and the lower end of the tank body is provided with a water outlet.
In the high-efficiency low-cost raw water treatment device, one end of the rotating shaft is also provided with the driving mechanism.
In the high-efficiency low-cost raw water treatment device, the right end of the filter residue receiving disc is provided with a filter residue scraping plate positioned at the inner side of the circular filter screen, and the outer side of the circular filter screen is provided with a nozzle.
In the high-efficiency low-cost raw water treatment device, the front and rear inner wall surfaces of the tank body are respectively provided with an arc-shaped groove matched with the circular filter screen.
In the high-efficiency low-cost raw water treatment device, the water outlet of the second filter tank is provided with a water quality detection sensor.
Compared with the prior art, the utility model has the advantages that the first filter tank and the second filter tank are reasonably optimized and improved, the circular filter screen replaces the traditional filter screen, the driving mechanism drives the circular filter screen to rotate, the lower half part of the circular filter screen filters raw water in the tank body, the upper half part of the circular filter screen is arranged above the tank body, part of filter residues can drop to the filter residue receiving disc, and the filter screen is cleaned through the filter residue scraping plate and the nozzle, so that the service time of the filter screen can be effectively prolonged, regular replacement of workers is not needed, the treatment efficiency can be effectively improved, and the operation and maintenance cost is reduced. Meanwhile, a reflux pipe is arranged between the first filtering tank and the second filtering tank, so that part of the raw water which does not reach the standard can be subjected to reflux treatment again, and the water quality is improved. In summary, the utility model has the characteristics of effectively improving the processing efficiency and reducing the operation and maintenance cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is a structural view of the first filter tank and the second filter tank.
The marks in the drawings are: the water quality detection device comprises a first filter tank, a 2-sedimentation tank, a 3-second filter tank, a 4-return pipe, a 5-valve, a 6-water pump, a 7-tank body, an 8-bracket, a 9-rotating shaft, a 10-annular bracket, an 11-annular filter screen, a 12-filter residue receiving disc, a 13-nozzle, a 14-filter residue scraper and a 15-water quality detection sensor.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples. The high-efficiency low-cost raw water treatment device is shown in figures 1 and 2, and comprises a first filter tank 1, a sedimentation tank 2 and a second filter tank 3 which are sequentially connected, wherein a return pipe 4 is arranged between a water inlet of the first filter tank 1 and a water outlet of the second filter tank 3, and a valve 5 and a water pump 6 are arranged on the return pipe 4; the first filter tank 1 and the second filter tank 3 comprise a tank body 7, brackets 8 are arranged above the front side and the rear side of the tank body 7, a rotating shaft 9 is arranged between the two brackets 8, an annular bracket 10 is arranged in the middle of the rotating shaft 9, annular filter screens 11 are arranged on the front side and the rear side of the annular bracket 10, and the lower half part of the annular filter screens 11 is positioned in the tank body 7; the bracket 8 is also provided with a filter residue receiving disc 12 corresponding to the circular filter screen 11; the upper end of one side of the tank body 7 is provided with a water inlet, and the lower end of the tank body 7 is provided with a water outlet.
One end of the rotating shaft 9 is also provided with a driving mechanism.
The right end of the filter residue receiving disc 12 is provided with a filter residue scraping plate 14 positioned at the inner side of the annular filter screen 11, and the outer side of the annular filter screen 11 is provided with a nozzle 13.
Arc grooves matched with the circular filter screen 11 are formed in the front inner wall surface and the rear inner wall surface of the tank body 7.
The water outlet of the second filter tank 3 is provided with a water quality detection sensor 15.
Preferably, the sedimentation tank comprises a sedimentation tank main body, a flocculation area and a sedimentation area are sequentially arranged in the sedimentation tank main body, the sedimentation area is respectively connected with a filtering area and a concentration area, and the concentration area is connected with a sludge tank.
The water inlet of the tank body is arranged above the lower half part of the annular filter screen, and raw water enters the lower part of the tank body after being filtered by the lower half part of the annular filter screen after entering the tank body.
The raw water treatment process comprises the following steps: raw water firstly enters a first filter tank for filtration, then flows into a sedimentation tank, is flocculated and precipitated in sequence, clear liquid above the sedimentation zone is discharged into a filtering zone, sediment at the lower half part is sent into a concentration zone, and sludge in the concentration zone is further compressed and sent into a sludge tank. The liquid in the filtering area is discharged into the second filtering tank, and after being filtered by the second filtering tank, the raw water treatment is finished and is discharged through the water outlet. And when the water quality of the water outlet of the second filtering tank does not reach the standard, a water outlet valve at the water outlet side is closed (the water outlet valve is positioned at the rear side of the return pipe), a valve and a water pump on the return pipe are opened, and raw water is re-drained to the water inlet of the first filtering tank for further treatment.
The circular filter screen rotates clockwise, and the right end of the annular bracket is the downward rotation position.
Filtration process in the filtration tank: the driving mechanism drives the rotating shaft to rotate, the rotating shaft drives the annular support and the annular filter screen to rotate, the lower half part of the annular filter screen is arranged in the tank body, the upper half part of the annular filter screen is arranged above the tank body, the annular filter screen of the lower half part filters raw water in the tank body, filtered filter residues ascend to the upper half part along with the rotation of the annular filter screen, part of filter residues fall to the filter residue bearing disc under the action of gravity, the filter residue scraping plate at the right end scrapes the filter residues on the inner wall of the annular filter screen, and the outer side of the filter residue scraping plate (can be an air nozzle or a spray nozzle) sprays inwards to spray the filter residues, so that the cleaning of the annular filter screen is completed, and the service life of the filter residue filter screen can be effectively prolonged. Only the filter residues in the filter residue receiving disc are cleaned regularly by workers, the normal use of the circular filter screen is not affected, the suspension is not needed, and the efficiency of raw water treatment can be ensured.
Claims (5)
1. High-efficient low-cost raw water treatment facilities, its characterized in that: the device comprises a first filter tank (1), a sedimentation tank (2) and a second filter tank (3) which are connected in sequence, wherein a return pipe (4) is arranged between a water inlet of the first filter tank (1) and a water outlet of the second filter tank (3), and a valve (5) and a water pump (6) are arranged on the return pipe (4); the first filter tank (1) and the second filter tank (3) comprise a tank body (7), supports (8) are arranged above the front side and the rear side of the tank body (7), a rotating shaft (9) is arranged between the two supports (8), an annular support (10) is arranged in the middle of the rotating shaft (9), annular filter screens (11) are arranged on the front side and the rear side of the annular support (10), and the lower half part of the annular filter screens (11) is positioned in the tank body (7); the bracket (8) is also provided with a filter residue receiving disc (12) corresponding to the circular filter screen (11); the upper end of one side of the tank body (7) is provided with a water inlet, and the lower end of the tank body (7) is provided with a water outlet.
2. The efficient low-cost raw water treatment apparatus according to claim 1, wherein: one end of the rotating shaft (9) is also provided with a driving mechanism.
3. The efficient low-cost raw water treatment apparatus according to claim 1, wherein: the right end of the filter residue receiving disc (12) is provided with a filter residue scraping plate (14) positioned at the inner side of the annular filter screen (11), and the outer side of the annular filter screen (11) is provided with a nozzle (13).
4. The efficient low-cost raw water treatment apparatus according to claim 1, wherein: arc-shaped grooves matched with the circular filter screen (11) are formed in the front inner wall surface and the rear inner wall surface of the tank body (7).
5. The efficient low-cost raw water treatment apparatus according to claim 1, wherein: the water outlet of the second filter tank (3) is provided with a water quality detection sensor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323145174.0U CN221107386U (en) | 2023-11-21 | 2023-11-21 | High-efficiency low-cost raw water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323145174.0U CN221107386U (en) | 2023-11-21 | 2023-11-21 | High-efficiency low-cost raw water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221107386U true CN221107386U (en) | 2024-06-11 |
Family
ID=91340483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323145174.0U Active CN221107386U (en) | 2023-11-21 | 2023-11-21 | High-efficiency low-cost raw water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221107386U (en) |
-
2023
- 2023-11-21 CN CN202323145174.0U patent/CN221107386U/en active Active
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