CN216236205U - Gas mixing and gas stripping type hardness-removing high-density precipitation system - Google Patents
Gas mixing and gas stripping type hardness-removing high-density precipitation system Download PDFInfo
- Publication number
- CN216236205U CN216236205U CN202122869651.2U CN202122869651U CN216236205U CN 216236205 U CN216236205 U CN 216236205U CN 202122869651 U CN202122869651 U CN 202122869651U CN 216236205 U CN216236205 U CN 216236205U
- Authority
- CN
- China
- Prior art keywords
- tank
- sedimentation
- flocculation
- sedimentation tank
- air
- 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
Images
Abstract
The utility model discloses a gas mixing and gas stripping type hardness removal high-density sedimentation system, and belongs to the field of petrochemical industry. The system sequentially comprises a coagulation tank, a flocculation tank and a sedimentation tank; the device is characterized in that a plurality of aeration branch pipes are arranged in the coagulation tank, an air stripping pipe is arranged in the flocculation tank, a grid-shaped mud scraper is arranged at the bottom of the sedimentation tank, an inclined plate is arranged at the top of the sedimentation tank, the coagulation tank is communicated with the flocculation tank, and the flocculation tank is communicated with the sedimentation tank. In the prior art, the stirrer blade in the coagulation tank is easy to scale, a ball is formed, the bearing is eccentric, the coupler is damaged, overloaded and stops jumping, and continuous long-period stable operation cannot be realized. The utility model solves the problems that the structure of the mixer of the coagulation tank is seriously damaged after long-term use, the mixer cannot run for a long period, sludge in a flocculation area is settled, and the sludge blocks a channel. The continuous stable operation period of the system is increased from 15 days to 60 days.
Description
Technical Field
The utility model provides a gas mixing and gas stripping type hardness removal high-density sedimentation system, and belongs to the field of petrochemical industry.
Background
Because of the high hardness in the gasified grey water, in order to protect the ultrafiltration and reverse osmosis membrane cores of the reclaimed water recycling system, the hardness needs to be reduced to be below 100mg/L before recycling, at present, the hardness is removed by adopting a double-alkali method, the pH value of inlet water needs to be adjusted to be more than or equal to 11, the alkalinity of the water is neutralized into carbonate, the carbonate can react with a large amount of calcium and magnesium ions in the water, a large amount of calcium carbonate precipitates are formed at the adding point of the inlet water alkali, the precipitates can be adhered to a vertical stirrer shaft rod and a blade in a coagulation area, if the precipitates are not cleaned on time, the vertical stirrer can cause overload, meanwhile, the eccentric motion of the stirrer shaft can be caused by uneven scaling, the connecting position of a rotating shaft is damaged, and the stirrer can be returned to a factory for maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gas mixing and air stripping type hardness-removing high-density sedimentation system which does not solve the technical problems and sequentially comprises a coagulation tank, a flocculation tank and a sedimentation tank; the device is characterized in that a plurality of aeration branch pipes are arranged in the coagulation tank, a plurality of air stripping pipes are arranged in the flocculation tank, a grid-shaped mud scraper is arranged at the bottom of the sedimentation tank, an inclined plate is arranged at the top of the sedimentation tank, the coagulation tank is communicated with the flocculation tank, and the flocculation tank is communicated with the sedimentation tank.
Furthermore, in the above technical scheme, the side of the outer bottom of the coagulation tank is provided with a water inlet, and the side of the outer top of the sedimentation tank is provided with a water outlet.
Furthermore, in the technical scheme, a plurality of aeration branch pipes are vertically arranged in the coagulation tank, and a plurality of holes are formed in the aeration branch pipes; the top ends of the aeration branch pipes are communicated with the aeration main pipe; the number of the aeration branch pipes is at least 2.
Further, in the above technical scheme, the grid mud scraper at the bottom of the sedimentation tank is connected with the motor outside the system through a rotating shaft, and the grid mud scraper rotates inside the sedimentation tank.
Further, in the technical scheme, the bottom of the coagulation tank is communicated with the bottom of the flocculation tank through a water outlet channel b; the side surface of the flocculation tank is communicated with the sedimentation tank through a water outlet channel a.
Furthermore, in the above technical scheme, the side wall of the flocculation tank located at one side close to the sedimentation tank does not reach the bottom of the flocculation tank, the side wall located at one side close to the flocculation tank does not reach the top of the sedimentation tank, and a certain distance is reserved between the two side walls to form a water outlet channel a.
Further, in the above technical scheme, the central position of the bottom of the sedimentation tank is communicated with a concentrated sludge discharge pipe; the bottom of the sedimentation tank is also communicated with the bottom of the water outlet channel b through a sludge circulating pipe.
Further, in the above technical solution, the gas pipe is located in the water outlet channel a, and the inner diameter of the gas pipe is 3-4 mm.
Beneficial effects of the utility model
In the prior art, the stirrer blade in the coagulation tank is easy to scale, a ball is formed, the bearing is eccentric, the coupler is damaged, overloaded and stops jumping, and continuous long-period stable operation cannot be realized. The utility model solves the problems that the structure of the mixer of the coagulation tank is seriously damaged after long-term use, the mixer cannot run for a long period, sludge in a flocculation area is settled, and the sludge blocks a channel. The continuous stable operation period of the system is increased from 15 days to 60 days.
Drawings
FIG. 1 is a schematic view of the gas mixing and gas stripping type hardness removal high-density sedimentation system of the present invention.
In the figure, 1, a coagulation tank; 2. a flocculation tank; 3. a sedimentation tank; 4. a water inlet; 5. carrying out aeration pipe division; 6. an aeration main pipe; 7. a water outlet channel a; 8. a grid mud scraper; 9. a motor; 10. a water outlet; 11. a water outlet channel b; 12. a sloping plate; 13. a sludge circulation pipe; 14. a concentrated sludge discharge pipe; 15. and (4) a gas stripping pipe.
Detailed Description
The following non-limiting examples will allow one of ordinary skill in the art to more fully understand the present invention, but are not intended to limit the utility model in any way.
Example 1
As shown in fig. 1, the air mixing and air stripping type hardness-removing high-density sedimentation system comprises a coagulation tank 1, a flocculation tank 2 and a sedimentation tank 3 in sequence; be equipped with a plurality of aeration in the coagulating basin 1 and be in charge of 5, be equipped with a plurality of air stripping pipes 15 in the flocculation basin 2, 3 bottoms in sedimentation basin are equipped with bars shape mud scraper 8, and 3 tops in sedimentation basin are equipped with swash plate 12, and intercommunication between coagulating basin 1 and the flocculation basin 2 communicates between flocculation basin 2 and the sedimentation basin 3.
The side of the outer bottom of the coagulation tank 1 is provided with a water inlet 4, and the side of the outer top of the sedimentation tank 3 is provided with a water outlet 10.
A plurality of aeration branch pipes 5 are vertically arranged in the coagulation tank 1, and a plurality of holes are formed in the aeration branch pipes 5; the top ends of the aeration branch pipes 5 are communicated with an aeration main pipe 6; the number of the aeration branched pipes 5 is at least 2.
And the grid mud scraper 8 at the bottom of the sedimentation tank 3 is connected with a motor 9 outside the system through a rotating shaft, and the grid mud scraper 8 rotates inside the sedimentation tank 3.
The bottom of the coagulation tank 1 is communicated with the bottom of the flocculation tank 2 through a water outlet channel b 11; the side surface of the flocculation tank 2 is communicated with the sedimentation tank 3 through a water outlet channel a 7.
The side wall of the flocculation tank near the sedimentation tank 3 does not reach the bottom of the flocculation tank, the side wall of the flocculation tank near the flocculation tank 2 does not reach the top of the sedimentation tank, and a certain distance is reserved between the two side walls to form a water outlet channel a 7.
The central position of the bottom of the sedimentation tank 3 is communicated with a concentrated sludge discharge pipe 14; the bottom of the sedimentation tank 3 is also communicated with the bottom of the water outlet channel b11 through a sludge circulating pipe 13.
The gas pipe 15 is positioned in the water outlet channel a7, and the inner diameter of the gas pipe 15 is 3-4 mm.
Example 2
The use method of the air mixing and air stripping type hardness removal high-density sedimentation system in embodiment 1 includes that the wastewater to be subjected to hardness removal enters a coagulation tank through a water inlet, air is conveyed to aeration branch pipes through an aeration main pipe, the air enters the coagulation tank through holes in the aeration branch pipes, the wastewater to be subjected to hardness removal in the coagulation tank is uniformly stirred through pneumatic stirring, liquid caustic soda is added into the coagulation tank, and the pH value is increased to 11.5. Then, the sludge enters a flocculation tank through a water outlet channel b, a flocculating agent is added into the flocculation tank, so that the sludge is accelerated to form flocculent precipitate, the sludge passes through an inclined tube sedimentation zone, a sludge scraper is arranged at the bottom of the inclined tube sedimentation zone, the sludge is scraped to a central cylinder, a sludge discharge pump is connected to the bottom of the inclined tube sedimentation zone to discharge the sludge, and the sludge circulation is increased, so that the unreacted thorough medicament is mainly secondarily utilized. The aeration and air stripping mainly have the functions of sludge lifting, the sludge is deposited in a flocculation area too fast due to calcium and magnesium sediment contained in the hard sludge, the sludge can be lifted to the inclined tube sedimentation area by increasing the aeration and air stripping, and the sludge is discharged by a sludge discharge pump.
Claims (8)
1. A gas mixing and gas stripping type hardness-removing high-density sedimentation system is characterized by comprising a coagulation tank (1), a flocculation tank (2) and a sedimentation tank (3) in sequence; be equipped with a plurality of aeration in coagulating basin (1) and divide pipe (5), be equipped with a plurality of air stripping pipe (15) in flocculation basin (2), sedimentation tank (3) bottom is equipped with bars shape mud scraper (8), and sedimentation tank (3) top is equipped with swash plate (12), communicates between coagulating basin (1) and flocculation basin (2), communicates between flocculation basin (2) and the sedimentation tank (3).
2. The air mixing and air stripping type hardness removal high-density sedimentation system as claimed in claim 1, wherein a water inlet (4) is formed in the outer bottom side of the coagulation tank (1), and a water outlet (10) is formed in the outer top side of the sedimentation tank (3).
3. The air mixing and air stripping type hardness removal high-density sedimentation system as claimed in claim 1, wherein a plurality of aeration branch pipes (5) are vertically arranged in the coagulation tank (1), and a plurality of holes are arranged on the aeration branch pipes (5); the top ends of the aeration branch pipes (5) are communicated with the aeration main pipe (6); the number of the aeration branch pipes (5) is at least 2.
4. The air mixing and air stripping type hardness removal high-density sedimentation system as claimed in claim 1, wherein a grid-shaped mud scraper (8) at the bottom of the sedimentation tank (3) is connected with a motor (9) outside the system through a rotating shaft, and the grid-shaped mud scraper (8) rotates inside the sedimentation tank (3).
5. The air mixing and air stripping type hardness removal high-density sedimentation system as claimed in claim 1, wherein the bottom of the coagulation tank (1) is communicated with the bottom of the flocculation tank (2) through a water outlet channel b (11); the side surface of the flocculation tank (2) is communicated with the sedimentation tank (3) through a water outlet channel a (7).
6. An air-mixing air-stripping type hardness-removing high-density sedimentation system as claimed in claim 5, wherein the side wall of the flocculation tank on the side close to the sedimentation tank (3) does not reach the bottom of the flocculation tank, the side wall on the side close to the flocculation tank (2) does not reach the top of the sedimentation tank, and a certain distance is reserved between the two side walls to form an outlet channel a (7).
7. The gas mixing and air stripping type hardness removal high-density sedimentation system as claimed in claim 1, wherein the bottom center of the sedimentation tank (3) is communicated with a concentrated sludge discharge pipe (14); the bottom of the sedimentation tank (3) is also communicated with the bottom of the water outlet channel b (11) through a sludge circulating pipe (13).
8. A gas mixing and gas stripping type hardness removal high density sedimentation system according to claim 1, wherein the gas stripping pipe (15) is located in the water outlet channel a (7), and the inner diameter of the gas stripping pipe (15) is 3-4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122869651.2U CN216236205U (en) | 2021-11-22 | 2021-11-22 | Gas mixing and gas stripping type hardness-removing high-density precipitation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122869651.2U CN216236205U (en) | 2021-11-22 | 2021-11-22 | Gas mixing and gas stripping type hardness-removing high-density precipitation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216236205U true CN216236205U (en) | 2022-04-08 |
Family
ID=80998243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122869651.2U Active CN216236205U (en) | 2021-11-22 | 2021-11-22 | Gas mixing and gas stripping type hardness-removing high-density precipitation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216236205U (en) |
-
2021
- 2021-11-22 CN CN202122869651.2U patent/CN216236205U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103922506A (en) | Integrated complete equipment for water quality purification treatment | |
| CN104787926A (en) | Sewage treatment system and sewage treatment method | |
| CN216604162U (en) | Lime softening density sedimentation tank for reclaimed water station | |
| CN1562815A (en) | Reverse osmosis method for treating sewage | |
| KR200385782Y1 (en) | high concentration sludge collector and mixing apparatus | |
| CN216236205U (en) | Gas mixing and gas stripping type hardness-removing high-density precipitation system | |
| CN210945141U (en) | Underground multi-effect high-density clarification equipment | |
| CN211111397U (en) | Improved high-density clarification tank suitable for mine water treatment | |
| CN212127807U (en) | Papermaking sewage calcium removal system | |
| CN203890153U (en) | Complete set of water quality purification treatment all-in-one equipment | |
| CN211871651U (en) | Liquid crystal display panel manufacturing plant fluorine-containing wastewater treatment device | |
| CN219489759U (en) | Softening and hardness removing device for sewage treatment | |
| CN216639152U (en) | Sewage treatment is with removing hard device with integrating | |
| CN111792763A (en) | High turbid water treatment device and sewage treatment system | |
| CN212954743U (en) | Oily sewage treatment device | |
| CN220056495U (en) | Medium-sized stirring type baffle coagulating sedimentation tank | |
| CN201370981Y (en) | Seawater clarification pool with turbulent flow structure | |
| CN213347881U (en) | Stifled high density sedimentation tank device of anti-soil | |
| CN218755326U (en) | High concentration fluorine-containing wastewater unit coupling deep purification system | |
| CN215886622U (en) | High-temperature-resistant gas-electrophoresis gourd tank and black water treatment recycling system of gasification furnace | |
| CN209735045U (en) | defluorination clarification equipment for wastewater treatment | |
| CN210796033U (en) | Heavy metal sewage treatment device | |
| CN218871327U (en) | Desulfurization waste water preliminary treatment integrated device | |
| CN210001702U (en) | electric flocculation-slow decarburization combined system for circulating water sewage of thermal power plant | |
| CN218931804U (en) | A high density sedimentation tank for high hardness waste water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |