CN212076704U - Novel high-density sedimentation tank - Google Patents
Novel high-density sedimentation tank Download PDFInfo
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- CN212076704U CN212076704U CN201921446636.3U CN201921446636U CN212076704U CN 212076704 U CN212076704 U CN 212076704U CN 201921446636 U CN201921446636 U CN 201921446636U CN 212076704 U CN212076704 U CN 212076704U
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Abstract
The utility model relates to a novel high-density sedimentation tank, which comprises a sedimentation tank body, wherein a coagulation tank, a flocculation tank and an inclined plate-inclined tube sedimentation tank are arranged in the sedimentation tank body, a water inlet pipe is arranged at one end of the coagulation tank, the lower part of the coagulation tank is communicated with the lower part of the flocculation tank through a mixing pipe, and the flocculation tank is communicated with the inclined plate-inclined tube sedimentation tank through a baffle device; be equipped with the agitator that thoughtlessly congeals in the pond, the flocculation basin is equipped with ultrasonic oscillator, and the hybrid tube links to each other with ultrasonic oscillator. The utility model discloses mixed reaction is effectual, and the area is saved in the construction of being convenient for.
Description
Technical Field
The utility model relates to a sedimentation tank that sewage treatment used, concretely relates to novel high density sedimentation tank.
Background
Since the 90 s of the 20 th century, western countries have developed various mature application technologies for high-density sedimentation tanks and successfully and widely used in large-scale water plants, and domestic research on the same has achieved results and has been applied to certain projects, but the technologies are less skillful than those of the western countries. The high-efficiency combination of the high-density sedimentation tank becomes one of the mainstream of future development. The purpose of project development is to improve the defects of the traditional high-density sedimentation tank at present, strengthen the clarification effect of an inclined plate-inclined tube, improve the treatment efficiency and the effluent quality, obtain better effluent quality and achieve higher effluent yield. The project can promote the continuous perfection of sewage sludge treatment technology and process in related industries, improve efficiency and indirectly reduce invisible cost. The novel high-efficiency high-density sedimentation tank has the characteristics of compact structure, high treatment efficiency, stable effluent quality and the like, so that the novel high-efficiency high-density sedimentation tank can be increasingly applied to primary strengthening treatment and advanced treatment of urban sewage.
Because the time for introducing the high-density sedimentation tank into China is short, some problems can occur in the practical use process, such as: (1) the water distribution in the flocculation tank is uneven, and the flocculation effect is poor; (2) due to the unreasonable arrangement of the inclined pipes and the overflow grooves, the sedimentation effect is poor, the quality of the effluent water is poor, and the sludge discharge concentration is low.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at overcoming the deficiencies in the prior art, providing a mixed reaction is effectual, and area is saved to the construction of being convenient for's novel high density sedimentation tank.
The technical scheme is as follows: in order to solve the technical problem, the novel high-density sedimentation tank comprises a sedimentation tank body, wherein a coagulation tank, a flocculation tank and an inclined plate-inclined tube sedimentation tank are arranged in the sedimentation tank body, a water inlet pipe is arranged at one end of the coagulation tank, the lower part of the coagulation tank is communicated with the lower part of the flocculation tank through a mixing pipe, and the flocculation tank is communicated with the inclined plate-inclined tube sedimentation tank through a baffle device; a coagulation stirrer is arranged in the coagulation tank, an ultrasonic oscillator is arranged in the flocculation tank, and the mixing pipe is connected with the ultrasonic oscillator; the upper part of the inclined plate-inclined tube sedimentation tank is provided with a filler support, inclined tube fillers are arranged on the filler support, the top end of the inclined plate-inclined tube sedimentation tank is provided with an overflow water trough plate, and the overflow water trough plate is connected with a water outlet pipe through a water outlet trough; the lower part in the inclined plate-inclined tube sedimentation tank is provided with a mud scraper, and the bottom of the inclined plate-inclined tube sedimentation tank is provided with a mud collecting hopper.
Further, sewage in the coagulation tank flows into the ultrasonic oscillator from the mixing pipe, and is input into the flocculation tank after being oscillated by the ultrasonic oscillator.
Furthermore, the baffle device is composed of two symmetrically arranged corner plates.
Furthermore, the folding angle degree of the folding angle plate is 130-160 degrees.
The mixing time of the sewage in the utility model is 3-8 min, the flocculation time is 12-20 min, and the surface load of the inclined plate-inclined tube sedimentation tank is 1-5m3/m2H, the sludge reflux ratio is about 5 percent, and the SS (suspended matters) in the water is well reduced, so that the SS in the effluent quality reaches the national first-class A discharge standard. The inclined plate-inclined tube sedimentation tank is externally provided with a sludge pump, sludge scraped to a sludge collecting hopper by a sludge scraper is collected through a steel pipeline, then one part of sludge is conveyed to a reaction zone by the sludge pump, the flocculation effect of the reaction zone is better by utilizing the accelerating mixing principle, and the other part of sludge is discharged to the sludge tank for treatment.
Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model has reasonable overall structure, the coagulation tank, the flocculation tank and the inclined plate-inclined tube sedimentation tank all adopt rectangles, the mixed reaction effect is better, the construction is convenient, and the occupied area is saved; the mechanical stirring mode is adopted for mixing, so that the operation condition is convenient to regulate and control, and the ultrasonic vibration principle is adopted for coagulation, so that the flocculation effect is more thorough; the inclined plate-inclined tube sedimentation tank is provided with inclined tube fillers, so that the surface load is further improved, the water yield is increased, the lower part of the inclined plate-inclined tube sedimentation tank is provided with a sludge concentration area, and the bottom of the inclined plate-inclined tube sedimentation tank is provided with a mud scraper, so that the concentration of discharged sludge is favorably improved, the concentration process before sludge dehydration can be omitted, and higher suspended solid concentration is favorably caused in a reaction area; the overflow grooves in the overflow water groove plate are vertically and uniformly arranged, and then are collected to the effluent weir from two ends of the overflow grooves, and simultaneously, the load on the weir is reduced, so that the effluent is uniformly collected.
Drawings
Fig. 1 is a schematic front view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, the novel high-density sedimentation tank of the present invention comprises a sedimentation tank body 1, wherein a coagulation tank 2, a flocculation tank 3 and an inclined plate-inclined tube sedimentation tank 4 are arranged in the sedimentation tank body 1, a water inlet pipe 5 is arranged at one end of the coagulation tank 2, the lower part of the coagulation tank 2 is communicated with the lower part of the flocculation tank 3 through a mixing pipe 6, and the flocculation tank 3 is communicated with the inclined plate-inclined tube sedimentation tank 4 through a baffle device 15; a coagulation stirrer 7 is arranged in the coagulation tank 2, an ultrasonic oscillator 8 is arranged in the flocculation tank 3, and the mixing pipe 6 is connected with the ultrasonic oscillator 8; the upper part of the inclined plate-inclined tube sedimentation tank 4 is provided with a filler support 9, the filler support 9 is provided with inclined tube fillers 10, the top end of the inclined plate-inclined tube sedimentation tank 4 is provided with an overflow water tank plate 11, and the overflow water tank plate 11 is connected with a water outlet pipe 12 through a water outlet tank 17; the lower part in the inclined plate-inclined tube sedimentation tank 4 is provided with a mud scraper 13, and the bottom of the inclined plate-inclined tube sedimentation tank 4 is provided with a mud collecting hopper 14.
The sewage in the coagulation tank 2 flows into the ultrasonic oscillator 8 from the mixing pipe 6, and is input into the flocculation tank 3 after being oscillated by the ultrasonic oscillator 8.
The baffle device 15 consists of two symmetrically arranged corner plates 16; the angle number of the angle folding plate 16 is 130-160 degrees.
The mixing time of the sewage in the utility model is 3-8 min, the flocculation time is 12-20 min, and the surface load of the inclined plate-inclined tube sedimentation tank is 1-5m3/m2H, the sludge reflux ratio is about 5 percent, and the SS (suspended matters) in the water is well reduced, so that the SS in the effluent quality reaches the national first-class A discharge standard. The inclined plate-inclined tube sedimentation tank is externally provided with a sludge pump, sludge scraped to a sludge collecting hopper by a sludge scraper is collected through a steel pipeline, then one part of sludge is conveyed to a reaction zone by the sludge pump, the flocculation effect of the reaction zone is better by utilizing the accelerating mixing principle, and the other part of sludge is discharged to the sludge tank for treatment.
Claims (4)
1. A novel high-density sedimentation tank is characterized by comprising a sedimentation tank body (1), wherein a coagulation tank (2), a flocculation tank (3) and an inclined plate-inclined tube sedimentation tank (4) are arranged in the sedimentation tank body (1), one end of the coagulation tank (2) is provided with a water inlet pipe (5), the lower part of the coagulation tank (2) is communicated with the lower part of the flocculation tank (3) through a mixing pipe (6), and the flocculation tank (3) is communicated with the inclined plate-inclined tube sedimentation tank (4) through a baffle device (15); a coagulation stirrer (7) is arranged in the coagulation tank (2), an ultrasonic oscillator (8) is arranged in the flocculation tank (3), and the mixing pipe (6) is connected with the ultrasonic oscillator (8); the upper part of the inclined plate-inclined tube sedimentation tank (4) is provided with a filler support (9), an inclined tube filler (10) is arranged on the filler support (9), the top end of the inclined plate-inclined tube sedimentation tank (4) is provided with an overflow water trough plate (11), and the overflow water trough plate (11) is connected with a water outlet pipe (12) through a water outlet trough (17); the lower part in the inclined plate-inclined tube sedimentation tank (4) is provided with a mud scraper (13), and the bottom of the inclined plate-inclined tube sedimentation tank (4) is provided with a mud collecting hopper (14).
2. The novel high-density sedimentation tank as claimed in claim 1, wherein the sewage in the coagulation tank (2) flows into the ultrasonic oscillator (8) from the mixing pipe (6), and is input into the flocculation tank (3) after being oscillated by the ultrasonic oscillator (8).
3. A new high-density settling tank as claimed in claim 1, wherein the baffle means (15) consists of two symmetrically arranged angle plates (16).
4. A novel high-density sedimentation tank as claimed in claim 3, wherein the angle degree of the angle plate (16) is 130-160 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446636.3U CN212076704U (en) | 2019-09-03 | 2019-09-03 | Novel high-density sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446636.3U CN212076704U (en) | 2019-09-03 | 2019-09-03 | Novel high-density sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212076704U true CN212076704U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921446636.3U Active CN212076704U (en) | 2019-09-03 | 2019-09-03 | Novel high-density sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212076704U (en) |
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2019
- 2019-09-03 CN CN201921446636.3U patent/CN212076704U/en active Active
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