CN220618641U - Up-flow anaerobic stirring denitrification reactor - Google Patents
Up-flow anaerobic stirring denitrification reactor Download PDFInfo
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- CN220618641U CN220618641U CN202321777570.2U CN202321777570U CN220618641U CN 220618641 U CN220618641 U CN 220618641U CN 202321777570 U CN202321777570 U CN 202321777570U CN 220618641 U CN220618641 U CN 220618641U
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- reaction tower
- phase separator
- inlet
- denitrification reactor
- liquid outlet
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- 238000003756 stirring Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 18
- 238000007667 floating Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses an up-flow anaerobic stirring denitrification reactor, wherein the bottom end of a reaction tower is provided with a liquid inlet, a three-phase separator is arranged in the reaction tower, the top end of the reaction tower is provided with an exhaust port, one side of the three-phase separator is provided with an inner circulation port, the outer wall of the reaction tower is provided with a liquid inlet, the liquid outlet end of the lifting pump is communicated with the liquid inlet of the reaction tower, the liquid inlet end of the inner circulation pump is communicated with the inner circulation port, the liquid outlet end of the inner circulation pump is communicated with the liquid inlet of the reaction tower, a stirring shaft is rotationally connected to the reaction tower and penetrates through the three-phase separator, a stirring paddle is fixedly connected with the stirring shaft, and a stirring motor drives the stirring shaft to rotate. The utility model can bring out the gas accumulated in the sludge bed layer in the reaction tower on the premise of not damaging the thallus structure, thereby relieving the floating condition of the sludge.
Description
Technical Field
The utility model relates to an upflow anaerobic stirring denitrification reactor.
Background
The denitrification process is a very critical process in the biological denitrification technology, and the treatment effect of the process can directly influence whether the sewage plant can discharge after reaching standards. The volume load of the traditional denitrification is less than 0.5kg-N/m at present 3 D, the influence of temperature is large, the occupied area is large, and the sludge loss is serious. Compared with the traditional denitrification process, the denitrification granular sludge process has the advantages of high volume load, small occupied area, high microorganism content and the like, and is favored in the field of sewage treatment and denitrification. However, due to the characteristics of easy adhesion, siltation and the like of the sludge in the denitrification granular sludge reactor, dead angles exist in the reactor, the running load of the reactor is high, the gas yield is high, the problem of sludge floating is serious, and the treatment efficiency is greatly reduced.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an upflow anaerobic stirring denitrification reactor.
The utility model adopts the technical scheme that:
the utility model provides an up-flow anaerobic stirring denitrification reactor, includes intake pool, elevator pump, reaction tower, stirring rake, three-phase separator, agitator motor, (mixing) shaft and internal circulation pump, the bottom of reaction tower is equipped with the inlet, and three-phase separator sets up in the reaction tower, is equipped with the gas vent on the top of reaction tower, and one side of just three-phase separator is equipped with the internal circulation mouth on the outer wall of reaction tower, the feed liquor end of elevator pump is linked together with the intake pool, and the liquid outlet end is linked together with the inlet of reaction tower, and the feed liquor end of internal circulation pump is linked together with the internal circulation mouth, and the liquid outlet end is linked together with the inlet of reaction tower, and the (mixing) shaft rotates to be connected on the reaction tower, and the (mixing) shaft runs through in three-phase separator, stirring rake and (mixing) shaft fixed connection, agitator motor drive (mixing) shaft rotates.
Further, a gas collection chamber is arranged at the top end of the reaction tower and above the three-phase separator, and an exhaust port is arranged on the gas collection chamber.
Further, a liquid outlet is arranged on the three-phase separator.
Further, the liquid outlet end of the lifting pump, the liquid outlet end of the circulating pump and the liquid inlet of the reaction tower are communicated through a tee joint.
Further, an insulation layer with an insulation layer water outlet and an insulation layer water inlet is arranged on the outer wall of the reaction tower.
Further, sampling ports are arranged at different heights on the outer wall of the reaction tower body.
The utility model has the following beneficial effects:
the utility model can bring out the gas accumulated in the sludge bed layer in the reaction tower on the premise of not damaging the thallus structure, thereby relieving the floating condition of the sludge.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings.
As shown in figure 1, the upflow anaerobic stirring denitrification reactor comprises a water inlet tank 1 and an integrated upflow anaerobic stirring denitrification reaction tower.
The support 16 is arranged at the bottom of the reaction tower, the inlet water is uniformly mixed in the water inlet tank 1 and then enters the reaction tower from the bottom through the lifting pump 2, a stirring device is arranged in the reaction tower, the stirring device consists of a stirring motor 9 with adjustable speed, a sealing bearing 10, a stirring shaft 13 and a stirring paddle 4, the stirring speed can be adjusted according to the floating condition of granular sludge, and the gas accumulated in a sludge bed layer in the reaction tower is brought out on the premise of not damaging the thallus structure, so that the floating condition of the sludge is relieved.
The outside of the reaction tower is provided with an insulating layer 5, and the temperature in the reaction tower can be adjusted to ensure that the reaction zone is at the optimal reaction temperature. The heat preservation layer is provided with a heat preservation layer water outlet 3 and a heat preservation layer water inlet.
The top of the reaction tower is provided with a three-phase separator 6, and the gas generated in the reaction zone is collected into a gas collection chamber at the upper end of the three-phase separator and is discharged through a gas outlet 8. The sludge is sedimented to the reaction zone by impacting the bottom of the three-phase separator to cause the deaeration of the sludge with attached bubbles, so that the sludge loss can be effectively prevented. The sewage is discharged through the liquid outlet 7.
The reaction tower is provided with an internal circulation port 11 and an internal circulation pump 14, the treated water in the tower is mixed with the inlet water from a bottom tee joint 15 through the internal circulation port 11 and the internal circulation pump 14 to enter the reaction tower, so that the hydraulic stirring effect can be achieved, the problems of floating, caking and gas accumulation of the sludge can be relieved to a certain extent, and the sewage treatment efficiency is improved.
Sampling ports 12 are arranged at different heights outside the reaction tower body, and water samples at different positions in the reaction area can be taken.
The internal circulation pump in the utility model can be replaced by a diaphragm pump, the internal circulation is carried out in an intermittent pulse mode, and the reaction zone exhaust can be replaced or matched with a stirring device. The stirring device can be replaced by an aeration device, and the sludge bed layer in the reaction zone is subjected to disturbance exhaust through micro-aeration, so that the effect of preventing the sludge from floating up is achieved.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (6)
1. An upflow anaerobic stirring denitrification reactor is characterized in that: including intake pool (1), elevator pump (2), reaction tower, stirring rake (4), three-phase separator (6), agitator motor (9), (13) and inner loop pump (14), the bottom of reaction tower is equipped with the inlet, and three-phase separator (6) set up in the reaction tower, are equipped with gas vent (8) on the top of reaction tower, and one side of three-phase separator (6) is equipped with inner loop port (11) on the outer wall of reaction tower, the inlet of elevator pump (2) is linked together with intake pool (1), and the liquid outlet is linked together with the inlet of reaction tower, and the inlet of inner loop pump (14) is linked together with inner loop port (11), and the liquid outlet is linked together with the inlet of reaction tower, and (13) swivelling joint is on the reaction tower, and (13) run through in three-phase separator (6), stirring rake (4) and (13) fixed connection, agitator motor (9) drive (13) rotate.
2. The upflow anaerobic stirred tank denitrification reactor of claim 1, wherein: a gas collection chamber is arranged at the top end of the reaction tower and above the three-phase separator (6), and an exhaust port (8) is arranged on the gas collection chamber.
3. The upflow anaerobic stirred tank denitrification reactor of claim 1, wherein: a liquid outlet (7) is arranged on the three-phase separator (6).
4. The upflow anaerobic stirred tank denitrification reactor of claim 1, wherein: the liquid outlet end of the lifting pump (2), the liquid outlet end of the circulating pump (14) and the liquid inlet of the reaction tower are communicated through a tee joint (15).
5. The upflow anaerobic stirred tank denitrification reactor of claim 1, wherein: an insulating layer (5) with an insulating layer water outlet (3) and an insulating layer water inlet is arranged on the outer wall of the reaction tower.
6. The upflow anaerobic stirred tank denitrification reactor of claim 1, wherein: sampling ports (12) are arranged at different heights on the outer wall of the reaction tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777570.2U CN220618641U (en) | 2023-07-07 | 2023-07-07 | Up-flow anaerobic stirring denitrification reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777570.2U CN220618641U (en) | 2023-07-07 | 2023-07-07 | Up-flow anaerobic stirring denitrification reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220618641U true CN220618641U (en) | 2024-03-19 |
Family
ID=90232519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321777570.2U Active CN220618641U (en) | 2023-07-07 | 2023-07-07 | Up-flow anaerobic stirring denitrification reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220618641U (en) |
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2023
- 2023-07-07 CN CN202321777570.2U patent/CN220618641U/en active Active
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