CN215403339U - Circulating oxygen deficiency stirring effluent treatment plant - Google Patents
Circulating oxygen deficiency stirring effluent treatment plant Download PDFInfo
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- CN215403339U CN215403339U CN202022785104.1U CN202022785104U CN215403339U CN 215403339 U CN215403339 U CN 215403339U CN 202022785104 U CN202022785104 U CN 202022785104U CN 215403339 U CN215403339 U CN 215403339U
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Abstract
The utility model relates to a circulating anaerobic stirring wastewater treatment device which mainly comprises 1-4 groups of wastewater flow galleries, wherein one end of the device is provided with a water inlet pipe and a water outlet pipe, a stirrer is arranged in each wastewater flow gallery, wastewater circularly flows in a circulating ditch type anaerobic reaction tank according to the stirring direction, and the residence time of the wastewater in an anaerobic reactor can be controlled through the group number of the galleries. Compared with the prior art, the utility model has the advantages that: the circulating flowing anaerobic reaction tank can promote the hydrolysis of organic matters through the long-time anaerobic hydraulic retention time, can promote the efficient conversion of granular organic matters in the anaerobic reaction tank and the efficient proliferation of microorganisms, improves the nitrogen and phosphorus removal effect of wastewater, and simultaneously achieves the purpose of energy conservation.
Description
Technical Field
The utility model relates to a circulating type anoxic stirring wastewater treatment device.
Background
The anoxic treatment method is a method between the aerobic and anaerobic treatment methods, and can reduce the treatment cost and improve the treatment efficiency by combining other processes. The main functions of the anoxic reactor are denitrification and hydrolysis of partial organic matters, then the mixed liquor containing phosphate enters the anoxic A pool, on one hand, the hydrolysis process of granular organic matters and on the other hand, the denitrification process are completed in the anoxic pool, part of the bioavailable carbon source which is not utilized by the phosphorus accumulating bacteria is utilized by the denitrification bacteria to complete the denitrification process, and the denitrification bacteria reduce nitrate which flows back from the aerobic pool into nitrogen by taking the bioavailable micromolecule organic matters in water as the carbon source. Compared with the common anoxic reactor, the method can not achieve the purpose of high-efficiency biological proliferation by singly prolonging the hydraulic retention time, and can not achieve the high-efficiency denitrification and dephosphorization effects.
The utility model has the advantages that the circulating flowing anoxic reaction tank for promoting the hydrolysis of the organic matters can promote the high-efficiency conversion of the granular organic matters in the anoxic reaction tank through the long-time anoxic hydraulic retention time, thereby improving the nitrogen and phosphorus removal effect of the wastewater and achieving the purpose of energy saving.
Disclosure of Invention
The utility model aims to overcome the defect that the anoxic reactor with a simple structure is not high in removal rate of nitrogen and phosphorus removal effect on wastewater.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a circulating type anoxic stirring wastewater treatment device which comprises a wastewater flowing gallery, wherein the wastewater flowing gallery is composed of two channels, the two channels are superposed up and down, one end of one channel is connected with one end of the other channel, a stirrer is arranged at the joint of the two channels, one end of the wastewater flowing gallery is provided with a water inlet pipe, the other end of the wastewater flowing gallery is provided with a water outlet pipe, and the other end of one channel is connected with the other end of the other channel, so that wastewater in the two channels forms circulating flow.
In the utility model, the wastewater flow galleries are 1-4 groups, and adjacent wastewater flow galleries are connected in series.
In the utility model, 1-4 groups of wastewater flow galleries are connected to form a ditch-type structure.
In the utility model, the concentration of dissolved oxygen in each wastewater treatment gallery under an anoxic condition is 0.2-0.5 mg/L.
In the utility model, the hydraulic retention time of the wastewater in the wastewater flow corridor is 12-36 hours.
The working principle of the utility model is as follows:
a water inlet pipe is arranged at one end of the circulating type anoxic stirring wastewater treatment device for wastewater, the wastewater passes through 1-4 groups of wastewater flow galleries, a stirrer is arranged in each wastewater flow gallery, the wastewater circularly flows in the circulating type ditch type anoxic reaction tank according to the stirring direction, and the wastewater is discharged from a water outlet pipe at the other end of the device after the hydraulic retention time is controlled to be 12-36 hours.
Compared with the prior art, the utility model has the beneficial effects that:
1, promoting the circulating flowing anoxic reaction tank for hydrolyzing organic matters through long-time anoxic hydraulic retention time, and promoting the efficient conversion of granular organic matters in the anoxic reaction tank;
2, the efficient proliferation of anoxic microorganisms can be promoted, and the nitrogen and phosphorus removal effects of the wastewater are improved;
3, the purpose of energy saving in wastewater treatment is achieved by realizing efficient nitrogen and phosphorus removal.
Drawings
FIG. 1 is a schematic view showing the construction of a circulating anoxic agitation wastewater treatment apparatus according to the present invention;
reference numbers in the figures: 1 is a water inlet pipe, 2 is a water outlet pipe, and 3 is a hydraulic stirrer.
Detailed Description
Example 1 treatment of high-concentration organic chemical wastewater
Utilize this utility model's circulating oxygen deficiency stirring effluent treatment plant to handle high concentration refractory organic chemical industry waste water, the device is by inlet tube 1, outlet pipe 2, hydraulic stirrer 3 and 4 waste water flow corridor constitutions, the initial COD scope of waste water is 10000~15000 mg/L, waste water gets into this processing apparatus through inlet tube 1, the waste water flow corridor is 4 groups, set up hydraulic stirrer 3 in every waste water treatment corridor, dissolved oxygen concentration is 0.2~0.5 mg/L under the oxygen deficiency condition in the control every waste water treatment corridor, waste water conservancy dwell time is 24 hours, can realize that COD clearance is more than 30%. The circulating flowing anoxic reaction tank for promoting the hydrolysis of organic matters can promote the efficient conversion of granular organic matters in the anoxic reaction tank and the efficient proliferation of microorganisms through the long-time anoxic hydraulic retention time, improve the nitrogen and phosphorus removal effect of wastewater, and simultaneously achieve the aim of saving energy.
Claims (1)
1. The utility model provides a circulating oxygen deficiency stirring effluent treatment plant which characterized in that: the waste water circulating system comprises a waste water flowing gallery, wherein the waste water flowing gallery is composed of two channels, the two channels are overlapped up and down, one end of one channel is connected with one end of the other channel, a stirrer is arranged at the joint of the two channels, a water inlet pipe is arranged at one end of the waste water flowing gallery, a water outlet pipe is arranged at the other end of the waste water flowing gallery, and the other end of one channel is connected with the other end of the other channel, so that waste water in the two channels forms circulating flow; the waste water flowing galleries are 1-4 groups, adjacent waste water flowing galleries are connected in series, the 1-4 groups of waste water flowing galleries are connected to form a ditch-type structure, the concentration of dissolved oxygen in each waste water treating gallery is 0.2-0.5 mg/L under an anoxic condition, and the hydraulic retention time of waste water in the waste water flowing galleries is 12-36 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022785104.1U CN215403339U (en) | 2020-11-27 | 2020-11-27 | Circulating oxygen deficiency stirring effluent treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022785104.1U CN215403339U (en) | 2020-11-27 | 2020-11-27 | Circulating oxygen deficiency stirring effluent treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215403339U true CN215403339U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022785104.1U Active CN215403339U (en) | 2020-11-27 | 2020-11-27 | Circulating oxygen deficiency stirring effluent treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215403339U (en) |
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2020
- 2020-11-27 CN CN202022785104.1U patent/CN215403339U/en active Active
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