CN203095719U - Integrated biological de-nitrification device - Google Patents
Integrated biological de-nitrification device Download PDFInfo
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- CN203095719U CN203095719U CN 201320097211 CN201320097211U CN203095719U CN 203095719 U CN203095719 U CN 203095719U CN 201320097211 CN201320097211 CN 201320097211 CN 201320097211 U CN201320097211 U CN 201320097211U CN 203095719 U CN203095719 U CN 203095719U
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Abstract
The utility model discloses a treatment device for wastewater with a relatively low carbon nitrogen ratio and in particular relates to an integrated biological de-nitrification device. The integrated biological de-nitrification device comprises an adjusting tank, an oxygen-poor tank, an aerobic tank and a sedimentation tank, wherein the aerobic tank is composed of a first geo-cell and a second geo-cell; and the adjusting tank, the oxygen-poor tank, the first geo-cell, the second geo-cell and the sedimentation tank are communicated in sequence. The integrated biological de-nitrification device further comprises a reaction online control device, an external carbon source adding device and an alkali adding device, wherein the external carbon source adding device is used for adding the carbon source to the oxygen-poor tank; the alkali adding device is used for adding alkali to the first geo-cell; a heating device and a pH and temperature sensing device are further arranged in the adjusting tank; the pH and temperature sensing device and a dissolved oxygen sensing device are further arranged in the oxygen-poor tank; pH and temperature sensing devices and dissolved oxygen sensing devices are arranged in the first geo-cell and the second geo-cell; and the heating device, the pH and temperature sensing devices and the dissolved oxygen sensing devices are in signal connection with the reaction online control device. The integrated biological de-nitrification device can be used for realizing efficient and short-range nitration and de-nitrification biological de-nitrification.
Description
Technical field
The utility model relates to the treatment unit of the lower waste water of a kind of carbon-nitrogen ratio, particularly the integral biological nitrogen rejection facility.
Background technology
At present, the water body polluted by nitrogen is serious day by day, and especially industry such as petrochemical industry, coking, metallurgy, food and percolate discharge a large amount of complicated components, and all lower high-concentration ammonia nitrogenous wastewater of carbon-nitrogen ratio (C/N) mostly, and the harmless treatment of ammonia nitrogen faces difficulty.Handle the lower waste water of above-mentioned carbon-nitrogen ratio, the following problem of traditional biological denitrification process ubiquity:
1. the nitrifying bacteria community rate of propagation is slow and be difficult to keep higher concentration, particularly in low temperature winter.Therefore cause system's hydraulic detention time long, organic loading is lower, has increased initial cost and working cost;
2. nitrifying process is finished under aerobic conditions, needs a large amount of energy consumptions;
3. system keeps higher biological concentration promptly to obtain good denitrification effect, must carry out mud backflow and nitrification liquid simultaneously and reflux, and increases power consumption and working cost;
4. a little less than the impact resistance, ammonia nitrogen in high density and nitrite water inlet suppress the Nitromonas growth;
5. be the acidity of the nitrated generation of neutralization, need add the alkali neutralization, increased processing costs;
6. denitrification process needs certain organism, and the COD in the waste water has most to be removed through aeration, so denitrification process often needs to add in addition carbon source.
In recent years, those skilled in the art have carried out a large amount of experimental studies and engineering practice around the feasibility of short-cut nitrification and denitrification, the result shows: compare with traditional complete nitrification denitrification denitrogenation technology, short range biological denitrification technology more is applicable to the processing of low ratio of carbon to ammonium waste water, but realize the nitrogen rejection facility of short-cut nitrification and denitrification biological denitrificaion in the market, the ubiquity reaction efficiency is low, defectives such as weak effect.
The utility model content
The purpose of this utility model is to provide a kind of low dissolved axygen concentration, high pH value and middle high temperature of utilizing to realize the accumulation steady in a long-term of Aerobic Pond nitrite in order to solve above-mentioned the deficiencies in the prior art, and then realizes the integral biological nitrogen rejection facility of efficient short-cut nitrification and denitrification biological denitrificaion.
To achieve these goals, the integral biological nitrogen rejection facility that the utility model is designed, comprise equalizing tank, anoxic pond, Aerobic Pond and settling tank, described Aerobic Pond is made up of the first lattice chamber and the second lattice chamber, above-mentioned equalizing tank, anoxic pond, the first lattice chamber, the second lattice chamber and settling tank connect successively, on equalizing tank, be through with water inlet pipe, on settling tank, be through with rising pipe, lead to the mud discharging pipe jointly in anoxic pond bottom and settling tank bottom, it also comprises digestion reaction on-line Control device, in anoxic pond, add the outer carbon source throwing device of carbon source and the adder-subtractor of the past indoor interpolation alkali of first lattice, in equalizing tank, also be provided with heating unit and pH and temperature sensing device, in anoxic pond, also be provided with pH and temperature sensing device and dissolved oxygen sensing device, at the first lattice chamber and indoor pH and temperature sensing device and dissolved oxygen sensing device, the above-mentioned heating unit of also being equipped with of second lattice, pH all is connected with digestion reaction on-line Control device signal with temperature sensing device and dissolved oxygen sensing device.
The preferred buried form of the integral biological nitrogen rejection facility that provides in the utility model; This preferred version does not take up an area of surface-area, high insulating effect.
In order to make the treatment sewage in the anoxic pond can fully keep evenly, guarantee to exist in the treatment sewage in the anoxic pond dissolved oxygen of trace, be provided with stirrer in the anoxic pond of the nitrogen rejection facility of integral biological described in the utility model.
In order to guarantee to remain a certain amount of dissolved oxygen in the treatment sewage in the Aerobic Pond, the first lattice chamber of the nitrogen rejection facility of integral biological described in the utility model and the bottom of the second lattice chamber are equipped with aeration plate, and aeration plate cooperates by the airduct gas blower that circles round outdoor with being positioned at the first lattice chamber and second lattice; Simultaneously in order to make the air output of airduct realize control, on above-mentioned aeration plate and the airduct between the gas blower of circling round, be provided with the airduct by-pass valve control.
For the frequency that makes outer carbon source throwing device add carbon source in the anoxic pond realizes controlled inhibition and generation, the transfer line that the outer carbon source throwing device of the nitrogen rejection facility of integral biological described in the utility model adds carbon source in the anoxic pond is provided with by-pass valve control, in order to make adder-subtractor realize controlled inhibition and generation toward the indoor frequency that adds alkali of first lattice, the adder-subtractor of the nitrogen rejection facility of integral biological described in the utility model is provided with by-pass valve control toward the indoor transfer line that adds alkali of first lattice, and above-mentioned two by-pass valve controls all are connected with digestion reaction on-line Control device signal.
In order to make the work or the inoperative of heating unit realize control, guarantee that the temperature in the equalizing tank remains on set(ting)value, communicating by letter on the control signal path between the heating unit of the nitrogen rejection facility of integral biological described in the utility model and the digestion reaction on-line Control device is serially connected with the heating unit open-and-shut controller.
In order to promote its nitric efficiency, connect by the sewage backflow pipe between the anoxic pond of the nitrogen rejection facility of integral biological described in the utility model and the second lattice chamber,
In order to make the mud that the utility model produced can carry out unified discharging collection, the tail end of the mud discharging pipe of the nitrogen rejection facility of integral biological described in the utility model is provided with sludge sump.
The integral biological nitrogen rejection facility that the utility model obtains, its nitrogen rejection facility with existing realization short-cut nitrification and denitrification biological denitrificaion is compared and had the following advantages: (1) saves the oxygen supply of 25 %, cuts down the consumption of energy; (2) denitrifying carbon source of saving 40 %; Under the lower situation of C/ N, realize denitrification denitrogenation; (3) shorten reaction mechanism, increase nitric efficiency, save the denitrification reactor volume of 50 %; (4) reduce the throwing alkali number, reduce working cost; (5) even under the very low situation of temperature in winter, device also can well move; (6) adopt buried form, do not take up an area of surface-area, high insulating effect; (7) strong shock resistance recovers very fast after system is hit, and in a single day is hit unlike nitrifier, need to recover long time; (8) level of automation height, basic full automatic control only needs the watchstander and is seeing that in the watch-keeping cubicle computer just when normally moving.
Description of drawings
Fig. 1 is the structural representation of the integral biological nitrogen rejection facility that provides among the embodiment 1;
Fig. 2 is the structural representation of the integral biological nitrogen rejection facility that provides among the embodiment 2;
Fig. 3 is the structural representation of the integral biological nitrogen rejection facility that provides among the embodiment 3;
Fig. 4 is the structural representation of the integral biological nitrogen rejection facility that provides among the embodiment 4;
Fig. 5 is the structural representation of the integral biological nitrogen rejection facility that provides among the embodiment 5;
Fig. 6 is the structural representation of the integral biological nitrogen rejection facility that provides among the embodiment 6;
Fig. 7 is the structural representation of the integral biological nitrogen rejection facility that provides among the embodiment 7.
Among the figure: equalizing tank 1, anoxic pond 2, Aerobic Pond 3, the first lattice chamber 3-1, the second lattice chamber 3-2, settling tank 4, digestion reaction on-line Control device 5, sewage backflow pipe 6, mud discharging pipe 7, water inlet pipe 8, rising pipe 9, heating unit 10, dissolved oxygen sensing device 11, stirrer 12, aeration plate 13, gas blower 14 circles round, airduct by-pass valve control 15, heating unit open-and-shut controller 16, outer carbon source throwing device 17, by-pass valve control 18, adder-subtractor 19, sludge sump 20, pH and temperature sensing device 21, airduct 22.
Embodiment
Below in conjunction with drawings and Examples present embodiment is further specified.
Embodiment 1:
As shown in Figure 1, the integral biological nitrogen rejection facility that present embodiment provides, the buried form of its whole employing, do not take up an area of surface-area, high insulating effect, it comprises equalizing tank 1, anoxic pond 2, Aerobic Pond 3 and settling tank 4, described settling tank 4 adopts vertical sedimentation basin 4, described Aerobic Pond 3 is made up of the first lattice chamber 3-1 and the second lattice chamber 3-2, above-mentioned equalizing tank 1, anoxic pond 2, the first lattice chamber 3-1, the second lattice chamber 3-2 and settling tank 4 connect successively, on equalizing tank 1, be through with water inlet pipe 8, on settling tank 4, be through with rising pipe 9, lead to mud discharging pipe 7 jointly in anoxic pond 2 bottoms and settling tank 4 bottoms, it also comprises digestion reaction on-line Control device 5, toward anoxic pond 2 interior outer carbon source throwing device 17 and the interior adder-subtractors 19 that add alkali of the past first lattice chamber 3-1 that add carbon source, in equalizing tank 1, also be provided with heating unit 10 and pH and temperature sensing device 21, in anoxic pond 2, also be provided with pH and temperature sensing device 21 and dissolved oxygen sensing device 11, in the first lattice chamber 3-1 and the second lattice chamber 3-2, also be equipped with pH and temperature sensing device 21 and dissolved oxygen sensing device 11, above-mentioned heating unit 10, pH all is connected with digestion reaction on-line Control device 5 signals with temperature sensing device 21 and dissolved oxygen sensing device 11.
Dissolved oxygen sensing device 11 in above-mentioned is the DO transmitter.
Embodiment 2:
As shown in Figure 2, the integral biological nitrogen rejection facility that present embodiment provides, its general structure is consistent with embodiment 1, but in order to make the treatment sewage in the anoxic pond 2 can fully keep even, guarantee to exist in the treatment sewage in the anoxic pond 2 dissolved oxygen of trace, be provided with stirrer 12 in the anoxic pond 2 of the nitrogen rejection facility of integral biological described in the present embodiment.
Embodiment 3:
As shown in Figure 3, the integral biological nitrogen rejection facility that present embodiment provides, its general structure is consistent with embodiment 2, but in order to guarantee to remain a certain amount of dissolved oxygen in the treatment sewage in the Aerobic Pond 3, first lattice chamber 3-1 of the nitrogen rejection facility of integral biological described in the present embodiment and the bottom of the second lattice chamber 3-2 are equipped with aeration plate 13, and aeration plate 13 cooperates by airduct 22 gas blower 14 that circles round outer with being positioned at the first lattice chamber 3-1 and the second lattice chamber 3-2; Simultaneously in order to make the air output of airduct 22 realize control, on above-mentioned aeration plate 13 and the airduct 22 between the gas blower 14 of circling round, be provided with airduct by-pass valve control 15.
Embodiment 4:
As shown in Figure 4, the integral biological nitrogen rejection facility that present embodiment provides, its general structure is consistent with embodiment 3, but for the frequency that makes outer carbon source throwing device 17 add carbon source in the anoxic pond 2 realizes controlled controlization, the transfer line that the outer carbon source throwing device 17 of the nitrogen rejection facility of integral biological described in the present embodiment adds carbon source in the anoxic pond 2 is provided with by-pass valve control 18, for the frequency that makes adder-subtractor 19 add alkali in the first lattice chamber 3-1 realizes controlled controlization, the transfer line that the adder-subtractor 19 of the nitrogen rejection facility of integral biological described in the present embodiment adds alkali in the first lattice chamber 3-1 is provided with by-pass valve control 18, and above-mentioned two by-pass valve controls 18 all are connected with digestion reaction on-line Control device 5 signals.
Embodiment 5:
As shown in Figure 5, the integral biological nitrogen rejection facility that present embodiment provides, its general structure is consistent with embodiment 4, but in order to make the work or the inoperative of heating unit 10 realize control, guarantee that the temperature in the equalizing tank 1 remains on set(ting)value, communicating by letter on the control signal path between the heating unit 10 of the nitrogen rejection facility of integral biological described in the present embodiment and the digestion reaction on-line Control device 5 is serially connected with heating unit open-and-shut controller 16.
Embodiment 6:
As shown in Figure 6, the integral biological nitrogen rejection facility that present embodiment provides, its general structure is consistent with embodiment 5, but in order to promote its nitric efficiency, connects by sewage backflow pipe 6 between the anoxic pond 2 of the nitrogen rejection facility of integral biological described in the utility model and the second lattice chamber 3-2.
Embodiment 7:
As shown in Figure 7, the integral biological nitrogen rejection facility that present embodiment provides, its general structure is consistent with embodiment 6, but in order to make the mud that present embodiment produced can carry out unified discharging collection, the tail end of the mud discharging pipe 7 of the nitrogen rejection facility of integral biological described in the present embodiment is provided with sludge sump 20.
Claims (9)
1. integral biological nitrogen rejection facility, comprise equalizing tank (1), anoxic pond (2), Aerobic Pond (3) and settling tank (4), described Aerobic Pond (3) is made up of the first lattice chamber (3-1) and the second lattice chamber (3-2), above-mentioned equalizing tank (1), anoxic pond (2), the first lattice chamber (3-1), the second lattice chamber (3-2) and settling tank (4) connect successively, on equalizing tank (1), be through with water inlet pipe (8), on settling tank (4), be through with rising pipe (9), lead to mud discharging pipe (7) jointly in anoxic pond (2) bottom and settling tank (4) bottom, it is characterized in that: it also comprises digestion reaction on-line Control device (5), in anoxic pond (2), add the outer carbon source throwing device (17) of carbon source and the interior adder-subtractor (19) that adds alkali toward the first lattice chamber (3-1), in equalizing tank (1), also be provided with heating unit (10) and pH and temperature sensing device (21), in anoxic pond (2), also be provided with pH and temperature sensing device (21) and dissolved oxygen sensing device (11), in the first lattice chamber (3-1) and the second lattice chamber (3-2), also be equipped with pH and temperature sensing device (21) and dissolved oxygen sensing device (11), above-mentioned heating unit (10), pH all is connected with digestion reaction on-line Control device (5) signal with temperature sensing device (21) and dissolved oxygen sensing device (11).
2. integral biological nitrogen rejection facility according to claim 1 is characterized in that: be provided with stirrer (12) in anoxic pond (2).
3. integral biological nitrogen rejection facility according to claim 1 and 2, it is characterized in that: the bottom in the first lattice chamber (3-1) and the second lattice chamber (3-2) is equipped with aeration plate (13), and aeration plate (13) cooperates by airduct (22) gas blower that circles round (14) outer with being positioned at the first lattice chamber (3-1) and the second lattice chamber (3-2).
4. integral biological nitrogen rejection facility according to claim 1 and 2, it is characterized in that: carbon source throwing device (17) adds in the anoxic pond (2) on the transfer line of carbon source and adder-subtractor (19) adds in the first lattice chamber (3-1) on the transfer line of alkali and is equipped with by-pass valve control (18) outside, and above-mentioned by-pass valve control (18) all is connected with digestion reaction on-line Control device (5) signal.
5. integral biological nitrogen rejection facility according to claim 3, it is characterized in that: carbon source throwing device (17) adds in the anoxic pond (2) on the transfer line of carbon source and adder-subtractor (19) adds in the first lattice chamber (3-1) on the transfer line of alkali and is equipped with by-pass valve control (18) outside, and above-mentioned by-pass valve control (18) all is connected with digestion reaction on-line Control device (5) signal.
6. integral biological nitrogen rejection facility according to claim 1 and 2 is characterized in that: communicating by letter on the control signal path between heating unit (10) and the digestion reaction on-line Control device (5) is serially connected with heating unit open-and-shut controller (16).
7. integral biological nitrogen rejection facility according to claim 3 is characterized in that: be provided with airduct by-pass valve control (15) on the airduct between aeration plate (13) and the gas blower that circles round (14).
8. integral biological nitrogen rejection facility according to claim 1 and 2 is characterized in that: connect by sewage backflow pipe (6) between the anoxic pond (2) and the second lattice chamber (3-2).
9. integral biological nitrogen rejection facility according to claim 1 and 2 is characterized in that: it is characterized in that: the tail end at mud discharging pipe (7) is provided with sludge sump (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097211 CN203095719U (en) | 2013-03-04 | 2013-03-04 | Integrated biological de-nitrification device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320097211 CN203095719U (en) | 2013-03-04 | 2013-03-04 | Integrated biological de-nitrification device |
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| CN203095719U true CN203095719U (en) | 2013-07-31 |
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| CN 201320097211 Expired - Fee Related CN203095719U (en) | 2013-03-04 | 2013-03-04 | Integrated biological de-nitrification device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588299A (en) * | 2013-10-12 | 2014-02-19 | 沈阳建筑大学 | Integrated short-cut nitrification and denitrification biological nitrogen-removal reactor |
| CN104085931A (en) * | 2014-06-27 | 2014-10-08 | 河南新大新材料股份有限公司 | Comprehensive adjusting system and adjusting method for industrial wastewater treatment |
| CN105384313A (en) * | 2015-12-12 | 2016-03-09 | 宋丽娜 | Integrated water treatment apparatus |
| CN107935317A (en) * | 2017-12-13 | 2018-04-20 | 宜兴市江华环保科技有限公司 | A kind of efficiently low energy biochemical wastewater treatment equipment |
| CN108455730A (en) * | 2017-02-20 | 2018-08-28 | 四川中德盛达环境工程有限公司 | A kind of short distance nitration, denitrification integrated biological denitrification device |
-
2013
- 2013-03-04 CN CN 201320097211 patent/CN203095719U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588299A (en) * | 2013-10-12 | 2014-02-19 | 沈阳建筑大学 | Integrated short-cut nitrification and denitrification biological nitrogen-removal reactor |
| CN103588299B (en) * | 2013-10-12 | 2015-08-12 | 沈阳建筑大学 | A kind of integrated short-cut nitrification and denitrification biological denitrification reactor |
| CN104085931A (en) * | 2014-06-27 | 2014-10-08 | 河南新大新材料股份有限公司 | Comprehensive adjusting system and adjusting method for industrial wastewater treatment |
| CN104085931B (en) * | 2014-06-27 | 2016-04-06 | 河南易成新能源股份有限公司 | Industrial Wastewater Treatment integrated control and control method |
| CN105384313A (en) * | 2015-12-12 | 2016-03-09 | 宋丽娜 | Integrated water treatment apparatus |
| CN108455730A (en) * | 2017-02-20 | 2018-08-28 | 四川中德盛达环境工程有限公司 | A kind of short distance nitration, denitrification integrated biological denitrification device |
| CN108455730B (en) * | 2017-02-20 | 2021-05-04 | 四川中德盛达环境工程有限公司 | Short-cut nitrification and denitrification integrated biological denitrification device |
| CN107935317A (en) * | 2017-12-13 | 2018-04-20 | 宜兴市江华环保科技有限公司 | A kind of efficiently low energy biochemical wastewater treatment equipment |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160304 |