CN202072583U - Nitrogenous wastewater treatment device - Google Patents
Nitrogenous wastewater treatment device Download PDFInfo
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- CN202072583U CN202072583U CN2011200622891U CN201120062289U CN202072583U CN 202072583 U CN202072583 U CN 202072583U CN 2011200622891 U CN2011200622891 U CN 2011200622891U CN 201120062289 U CN201120062289 U CN 201120062289U CN 202072583 U CN202072583 U CN 202072583U
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- pool
- pond
- denitrification
- water
- ammonium oxidation
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Abstract
The utility model discloses a nitrogenous wastewater treatment device. A water inlet end is arranged at the upper part of one side of a denitrification pool, denitrification pool treatment water, denitrification bacteria and a denitrification pool stirring machine exist in the denitrification pool, the denitrification pool is connected with a partial nitrosation pool through a denitrification pool water outlet pipe, nitrifying bacteria and partial nitrosation pool treatment water exist in the partial nitrosation pool, a blast blower is arranged at the bottom, a pH on-line monitoring device and an alkali liquor pump are arranged above the partial nitrosation pool and are connected with a middle pool through a partial nitrosation pool water outlet pipe, middle pool treatment water exits in the middle pool, the middle pool is connected with an anaerobic ammonium oxidation pool through a middle pool outlet pipe, the middle pool outlet water is connected with an anaerobic ammonium oxidation pool water inlet pump, anaerobic ammonium oxidation pool treatment water, anaerobic ammonium oxidation bacteria and commensal bacteria exist in the anaerobic ammonium oxidation pool, a water outlet end is arranged at the upper part of the anaerobic ammonium oxidation pool, and a backflow water pipe is arranged under the water outlet end, is connected with the denitrification pool and is connected with a backflow pump. The nitrogenous wastewater treatment device has the advantages that the operation is stable, the investment and operation cost is low, the management is convenient, and in addition, contaminants can be efficiently removed.
Description
Technical field
The utility model relates to a kind of nitrogenous effluent treatment device.
Background technology
Nitrogenous effluent is the one of the main reasons of body eutrophication, thereby can discharge after need handling nitrogenous effluent.The tradition denitrification process is based on ammonia nitrogen all is oxidized to nitre nitrogen or nitrite nitrogen under the effect of nitrifier, is reduced into nitrogen then under the effect of denitrifying bacteria.This will expend a large amount of energy, particularly under the insufficient situation of organic carbon source, need additional carbon in waste water, thereby cause too high working cost.Anaerobic ammonia oxidizing bacteria is oxidized to the new discovery bacterial classification of nitrogen as a kind of nitrite nitrogen that can utilize with ammonia nitrogen, owing to can save the energy in a large number and reduce working cost, more and more is subjected to the attention of various countries.But the water outlet of handling through anaerobic ammonium oxidation tank is because the pH value is higher and contain NO
x, can not directly discharge, still need secondary treatment, in addition, the part nitrification tank for keeping certain pH value, needs additionally to add alkali lye in a large number in operational process, and this has strengthened running cost to a certain extent.
Summary of the invention
The purpose of this utility model is exactly at the problems referred to above, and a kind of nitrogenous effluent treatment device is provided.
The utility model is achieved in that and sets gradually denitrification pond, part nitrosification pond, middle pond, anaerobic ammonium oxidation tank; Denitrification pond one upper lateral part has feed-water end, and denitrification pond treating water, denitrifying bacteria and denitrification pond stirrer are arranged in the denitrification pond; The denitrification pond links to each other with part nitrosification pond by denitrification pond rising pipe, and nitrifier and part nitrosification pond treating water are arranged in the part nitrosification pond, and air-blast device is arranged at the bottom, and there are pH on-Line Monitor Device and lye pump in the top.Part nitrosification pond links to each other with middle pond by part nitrosification pond rising pipe, and treating water in the middle pond is arranged in the middle pond, and middle pond links to each other with anaerobic ammonium oxidation tank by middle pond rising pipe, and middle pond rising pipe is connected with the anaerobic ammonium oxidation tank intake pump; Anaerobic ammonium oxidation tank treating water, anaerobic ammonia oxidizing bacteria and fungal component are arranged in the anaerobic ammonium oxidation tank, and the water side is arranged at anaerobic ammonium oxidation tank top, and the below, water side has the backflow water pipe to link to each other with the denitrification pond, and the recirculation water pipe coupling has reflux pump.
The water outlet of sewage and anaerobic ammonium oxidation tank enters the denitrification pond by feed-water end and reflux pump respectively, the NO in sewage and the anaerobic ammonium oxidation tank water outlet
xUnder the effect of denitrifying bacterium, utilize the organism in the sewage or add organism and be reduced into nitrogen as carbon source, the denitrifying bacteria in this denitrification pond can be suspended state or filler stationary state, under the insufficient situation of water inlet organic carbon source, can replenish by the form that adds organic carbon source, to add methyl alcohol is example, reduction 1mol NO
3-N needs to add the methyl alcohol of 1.08mol at least, and the dosage that adds organic carbon source adds by the method for labor measurement or on-line determination; The water outlet entering part nitrosification pond in denitrification pond, under the effect of nitrifier, ammonia nitrogen in the part nitrosification pond water outlet is changed into nitrite nitrogen by partial oxygen, in order to keep the growth vigor of AOB bacterium, pH value in the pond needs to regulate with the concentration of keeping free ammonia nitrogen within the scope of 0.1-10mg/L according to the amount of ammonia nitrogen in the pond, denitrification pond water outlet with higher pH value can reduce the dosage of alkali lye, in part nitrosification pond, the ammonia nitrogen of 50%-60% is oxidized to nitrite nitrogen, be the AOB bacterium based on ammonia oxidation bacteria in the nitrifier, adopt and suspend or filler fixed form, as adopt suspended pattern, need to increase in addition settling tank, reflux pump is to keep suitable sludge retention time; The water outlet of nitrification tank enter in the middle of the pond regulate, before pumping into anaerobic ammonium oxidation tank, adopts online or the artificial mode to pH, DO, nitrite nitrogen key index carry out analyzing and testing and the adjusting; Separated liquid supernatant pumps into anaerobic ammonium oxidation tank by the anaerobic ammonium oxidation tank intake pump through middle pond, under the effect of anaerobic ammonia oxidizing bacteria and fungal component, carry out denitrification reaction, the water outlet of anaerobic ammonium oxidation tank, a part is back to the denitrification pond, a part is discharging directly, and anaerobic ammonia oxidizing bacteria adopts granule sludge, filler consolidated form.
The utility model is handled nitrogenous effluent, can obtain the efficient denitrification effect, has stable, advantages such as the investment working cost is low, convenient management simultaneously.
Description of drawings
Fig. 1 is a nitrogenous effluent purifying method synoptic diagram of the present invention.
Mark among the figure: R1-feed-water end; R2-backflow water pipe; R3-denitrification pond rising pipe; R4-part nitrosification pond rising pipe; Pond rising pipe in the middle of the R5-; The R6-water side; M-denitrification pond stirrer; The A-air-blast device; P1-anaerobic ammonium oxidation tank intake pump; The P2-reflux pump; 1-denitrification pond; 2-part nitrosification pond; Pond in the middle of the 3-; The 4-anaerobic ammonium oxidation tank; The 5-denitrifying bacteria; 6-denitrification pond treating water; The 7-nitrifier; 8-part nitrosification pond treating water; 9-anaerobic ammonia oxidizing bacteria and fungal component; 10-anaerobic ammonium oxidation tank treating water; Treating water in the pond in the middle of the 11-; The 12-pH on-Line Monitor Device; The 13-lye pump; 14-alkali lye; The 15-organic carbon source; The 16-carbon source adds pump.
Embodiment
Embodiment:
As shown in Figure 1, set gradually denitrification pond 1, part nitrosification pond 2, middle pond 3, anaerobic ammonium oxidation tank 4; Denitrification pond 1 one upper lateral parts have feed-water end R1, and denitrification pond treating water 6, denitrifying bacteria 5 and denitrification pond stirrer M are arranged in the denitrification pond 1; Denitrification pond 1 links to each other with part nitrosification pond 2 by denitrification pond rising pipe R3, and nitrifier 7 and part nitrosification pond treating water 8 are arranged in the part nitrosification pond 2, and air-blast device A is arranged at the bottom, and there are pH on-Line Monitor Device 12 and lye pump 13 in the top; Part nitrosification pond 2 links to each other with middle pond 3 by part nitrosification pond rising pipe R4, in the middle pond 3 treating water 11 in the middle pond is arranged, middle pond 3 links to each other with anaerobic ammonium oxidation tank 4 by middle pond rising pipe R5, and middle pond rising pipe middle part R5 has anaerobic ammonium oxidation tank intake pump P1; Anaerobic ammonium oxidation tank treating water 10, anaerobic ammonia oxidizing bacteria and fungal component 9 are arranged in the anaerobic ammonium oxidation tank 4, and water side R6 is arranged at anaerobic ammonium oxidation tank 4 tops, and R6 below in water side has backflow water pipe R2 to link to each other with denitrification pond 1, and there is reflux pump P2 at backflow water pipe R2 middle part.
Denitrification pond stirrer M wherein is set in the denitrification pond 1 prevents sludge settling.Denitrification pond 1, part nitrosification pond 2, anaerobic ammonium oxidation tank 4 are the main body of this refining plant, respectively pollutent are handled by denitrifying bacteria 5, nitrifier 7, anaerobic ammonia oxidizing bacteria and fungal component 9.Wherein denitrifying bacteria 5 and nitrifier 7 all adopt the polyethylene bead to fix; Anaerobic ammonia oxidizing bacteria 9 adopts the fixing form that reaches the mixture of granule sludge of activated carbon.The pH value in part nitrosification pond 2 is regulated automatically by pH on-Line Monitor Device 12, and other parameters such as DO, ammonia nitrogen, nitrite nitrogen all adopt the mode of labor measurement to regulate.
Denitrification pond 1 is of a size of: length * wide * height=20cm * 10cm * 100cm is provided with denitrification pond stirrer M; Part nitrosification pond 2 is of a size of: length * wide * height=20cm * 10cm * 100cm; Middle pond 3 is of a size of: length * wide * height=10cm * 5cm * 50cm.Anaerobic ammonium oxidation tank 4 is of a size of: length * wide * height=6cm * 6cm * 100cm, useful volume is 3.2L, and has the sludge bulking bed upflow type anaerobic reactor of triphase separator.
Sewage purification process is as follows: the water outlet of sewage and anaerobic ammonium oxidation tank 4 enters denitrification pond 1, NO by reflux pump P2
xUnder the effect of denitrifying bacteria 5, utilize the organism in the sewage or add organism and be reduced into nitrogen as carbon source; The water outlet entering part nitrosification pond 2 in denitrification pond 1 afterwards, under the effect of nitrifier 7, the ammonia nitrogen in 2 water outlets of part nitrosification pond is changed into nitrite nitrogen by partial oxygen; Once more, pond 3 was regulated in the middle of the water outlet in part nitrosification pond 2 entered; At last, 3 separated liquid supernatant pump into anaerobic ammonium oxidation tank 4 by anaerobic ammonium oxidation tank intake pump P1 through middle pond, carry out denitrification reaction under the effect of anaerobic ammonia oxidizing bacteria and fungal component 9, the water outlet of anaerobic ammonium oxidation tank 4, a part is back to denitrification pond 1, and a part is directly discharged.
Utilize this device to purify artificial wastewater's (table 1) of following composition, adopt continuous water intake mode, wherein the denitrification pond 1; Part nitrosification pond 2; The hydraulic detention time of anaerobic ammonium oxidation tank 4 is respectively 12h, 12h and 6h, reflux ratio 3-5, after the reactor steady running, raw water quality, do not have the technology (reference example) preset denitrification pond 1 and recirculation water R2, adopt after this device processing effluent quality and consume alkali lye amount see Table 2.
Table 1: the artificial wastewater constitutes
Table 2: Inlet and outlet water nitrogen change list
As shown in table 2, the artificial wastewater has obtained good removal by this device, and particularly with respect to reference example, the total nitrogen in the water outlet and the usage quantity of alkali lye all significantly reduce.
Claims (1)
1. nitrogenous effluent treatment device, it is characterized in that: denitrification pond (1) one upper lateral part has feed-water end (R1), and denitrification pond treating water (6), denitrifying bacteria (5) and denitrification pond stirrer (M) are arranged in denitrification pond (1); Denitrification pond (1) links to each other with part nitrosification pond (2) by denitrification pond rising pipe (R3), nitrifier (7) and part nitrosification pond treating water (8) are arranged in the part nitrosification pond (2), the bottom has air-blast device (A), top that pH on-Line Monitor Device (12) and lye pump (13) are arranged; Part nitrosification pond (2) links to each other with middle pond (3) by part nitrosification pond rising pipe (R4), in the middle pond (3) treating water in the middle pond (11) is arranged, middle pond (3) links to each other with anaerobic ammonium oxidation tank (4) by middle pond rising pipe (R5), and middle pond water outlet (R5) is connected with anaerobic ammonium oxidation tank intake pump (P1); Anaerobic ammonium oxidation tank treating water (10), anaerobic ammonia oxidizing bacteria and fungal component (9) are arranged in the anaerobic ammonium oxidation tank (4), water side (R6) is arranged at anaerobic ammonium oxidation tank (4) top, below, water side (R6) has backflow water pipe (R2) to link to each other with denitrification pond (1), and backflow water pipe (R2) is connected with reflux pump (P2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200622891U CN202072583U (en) | 2011-03-09 | 2011-03-09 | Nitrogenous wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200622891U CN202072583U (en) | 2011-03-09 | 2011-03-09 | Nitrogenous wastewater treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN202072583U true CN202072583U (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200622891U Expired - Fee Related CN202072583U (en) | 2011-03-09 | 2011-03-09 | Nitrogenous wastewater treatment device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265155A (en) * | 2013-05-17 | 2013-08-28 | 桂林理工大学 | Method for quickly proliferating and nitrifying sludge |
| CN103274516A (en) * | 2013-05-17 | 2013-09-04 | 桂林理工大学 | Rapid nitrification sludge proliferation device |
| CN103588352A (en) * | 2013-09-03 | 2014-02-19 | 北京工业大学 | Two-stage backflow simultaneous nitrogen and phosphorus removal device and technology for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation of municipal sewage |
| CN105293838A (en) * | 2015-11-30 | 2016-02-03 | 苏州科技学院 | Low-carbon-source wastewater synchronous nitrogen and carbon removal treatment method |
| CN106865766A (en) * | 2017-03-10 | 2017-06-20 | 桂林理工大学 | A kind of method of upgrading biochemical denitrification sewage treatment plant |
| CN107417047A (en) * | 2017-09-06 | 2017-12-01 | 北京工业大学 | The apparatus and method that phosphorus is synchronously reclaimed in a kind of denitrogenation completely |
-
2011
- 2011-03-09 CN CN2011200622891U patent/CN202072583U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265155A (en) * | 2013-05-17 | 2013-08-28 | 桂林理工大学 | Method for quickly proliferating and nitrifying sludge |
| CN103274516A (en) * | 2013-05-17 | 2013-09-04 | 桂林理工大学 | Rapid nitrification sludge proliferation device |
| CN103588352A (en) * | 2013-09-03 | 2014-02-19 | 北京工业大学 | Two-stage backflow simultaneous nitrogen and phosphorus removal device and technology for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation of municipal sewage |
| CN103588352B (en) * | 2013-09-03 | 2015-01-07 | 北京工业大学 | Two-stage backflow simultaneous nitrogen and phosphorus removal device and technology for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation of municipal sewage |
| CN105293838A (en) * | 2015-11-30 | 2016-02-03 | 苏州科技学院 | Low-carbon-source wastewater synchronous nitrogen and carbon removal treatment method |
| CN106865766A (en) * | 2017-03-10 | 2017-06-20 | 桂林理工大学 | A kind of method of upgrading biochemical denitrification sewage treatment plant |
| CN107417047A (en) * | 2017-09-06 | 2017-12-01 | 北京工业大学 | The apparatus and method that phosphorus is synchronously reclaimed in a kind of denitrogenation completely |
| CN107417047B (en) * | 2017-09-06 | 2020-07-03 | 北京工业大学 | Device and method for complete denitrification and synchronous phosphorus recovery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20140309 |