CN1072613C - Anaerobic reation pool and method for treating waste water - Google Patents
Anaerobic reation pool and method for treating waste water Download PDFInfo
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- CN1072613C CN1072613C CN97117092A CN97117092A CN1072613C CN 1072613 C CN1072613 C CN 1072613C CN 97117092 A CN97117092 A CN 97117092A CN 97117092 A CN97117092 A CN 97117092A CN 1072613 C CN1072613 C CN 1072613C
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- waste water
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- reation pool
- anaerobic reation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The present invention relates to an anaerobic reaction pond and a waste water treatment method. A framework is arranged at the middle lower part of the reaction pond, namely that the framework is arranged below a three-phase reactor and above a water-distributing pipe, and the framework is provided with composite stuffing. The method for treating waste water of the present invention comprises: waste water to be treated enters the reaction pond from a water pipe, anaerobic biochemical reaction of organic substances is carried out between the waste water in the reaction pond and microorganisms on the surface of the composite stuffing, and the waste water after the reaction is separated in the three-phase separator. The present invention has the advantages of optimal composite stuffing, simple technological process, high treatment efficiency, high load impact resistance, etc.
Description
The present invention relates to the method for a kind of anaerobic reation pool and processing waste water, be used for the biological treatment of waste water or sewage.
To the processing of wastewater of chemical industry with high concentration, the method that adopts has chemical method, biological process, biological process that aerobic method, anaerobic process are arranged at present.Anaerobic process is owing to high-level efficiency, low cost are widely used.The anaerobism filtering basin that use are more suitable for the lower waste water of concentration at present, but exist blockage problem; Upflow type anaerobic mud bed bioreactor moves prematurity still, to the wastewater of chemical industry with high concentration of difficult degradation, exists not shock-resistantly, and to cultivate domestication long because of active sludge, and activated sludge particles is difficult to be formed, and this is the general character of anaerobic biological processing, the problem that sludge loss is serious.Chinese invention patent discloses a kind of " method and apparatus of wastewater treatment " for No. 89102147.7.It is by combining with containing the organic acid fresh feed from the effluent with carbon dioxide dissolved of anaerobic reactor, and stripping goes out carbonic acid gas and improves its pH value from this mixture, with the consumption of alkali in the minimizing system and promoted to have the organic acid dissolving of limited solubility.But the weak point of this invention is, the technology more complicated, and facility investment is bigger.No. 92202898.2, China's utility model patent discloses a kind of " anerobic sowage novel reactor ".It is a kind of organic sewage anaerobic reactor of high density, it is to adopt novel settling vessel, water treatment, sludge settling and backflow are carried out in same structure, not only reduce COD, the BOD value of high concentration organic sewage outlet effectively, and have that floor space is little, capital cost is low, energy efficient and advantage such as easy to operate.But the weak point of this utility model is, the structure more complicated, and facility investment is bigger.
Purpose of the present invention is just in order to solve the deficiencies in the prior art part, and proposed the method that a kind of anaerobic reaction is handled waste water.It has solved the not serious problem and the biological filter blocking problem of impact, sludge loss of resisting high-concentration waste water of up-flow anaerobic sludge blanket, can bear high loading and impact, make anaerobic reactor energy high loading steady running when handling the wastewater from chemical industry of high density of big production.
The object of the present invention is achieved like this:
By advancing the anaerobic reation pool that waste water pipe end, reaction tank body and triphase separator, methane outlet pipe end etc. are formed, in the middle and lower part of reaction tank, promptly the below of triphase separator is provided with framework above the water distributor, and combined stuffing is installed on framework.
Purpose of the present invention can also be further perfect by following steps:
A kind of anaerobic reation pool of forming by triphase separator (1), water distribution pipeline (4), methane outlet (5) and reaction tank body, it is characterized in that: in the middle and lower part of reaction tank, it is the below of triphase separator (1), the water distributor top is provided with framework (2), goes up at framework (2) combined stuffing (3) is installed.Said framework (2) is divided into two kinds of tight support and Steel Brackets.Said combined stuffing (3) adopts blossom type to arrange, and perhaps adopts parallel type to arrange.Said combined stuffing (3) is at axial cord (6) overcoat one center sleeve (7), goes up at center sleeve (7) plastic hoop (8) that some peripheries have Mierocrystalline cellulose (9) is installed.
A kind of method of handling waste water, biochemical reaction carries out in anaerobic reation pool, it is characterized in that:
A. operation scheme:
1. in anaerobic reation pool, drop into COD≤6000mg/L; PH=5.8-6.8; COD: N: P=200: (4.5-7.5): (0.75-1.25); Waste water, temperature in the pond: 34 ℃-39 ℃; In COD: N: P=200: 4-6: the 0.5-1.5 ratio drops into nutritive salt, and the volumetric loading in the anaerobic reation pool is 3.0kg/COD/m
3.d;
2. add seed sludge in anaerobic reation pool, starting point concentration is 30g/L;
When 3. beating internal recycle, promote wastewater temperature in the pond by 2 ℃/day amplitudes, until reaching volatile acid≤250mg/L with reflux pump; Basicity: 1500-3000mg/L; COD≤2000mg/L;
4. system is interrupted water inlet, cultivates acclimation sludge, and influent load is controlled at 0.1-0.3kgCOD/m
3.d, look water outlet at volatile acid≤250mg/L; Basicity: 1500-3000mg/L; Can intake continuously behind COD≤2000mg/L;
5. water inlet continuously, operating load is controlled at 0.3-0.5kgCOD/m continuously for the first time
3.d, after one week of steady running, could promote load once more, load is at 1.0kgCOD/m
3When .d following, promote the load amplitude is 0.3kgCOD/m at every turn
3.d, load is at 1.0kgCOD/m
3When .d above, promote the load amplitude is 0.5kgCOD/m at every turn
3.d;
B. operational process:
1. pending waste water enters in the reaction tank from water pipe (4);
2. waste water carries out the organism anaerobic biochemical reaction with the microorganism that goes up combined stuffing (3) surface attached to framework (2) after entering reaction tank, and in handling the waste water process, temperature is: 34 ℃-39 ℃; Pressure is normal pressure; PH value is: 5.8-6.8;
3. waste water separates in triphase separator (1) after finishing the process of organism anaerobic metabolism on combined stuffing (3) surface.
The present invention has 5 width of cloth accompanying drawings, and wherein Fig. 1 is a most preferred embodiment of the present invention, also can make the accompanying drawing of specification digest.
Fig. 1, structural representation of the present invention;
Fig. 2, combined stuffing structural representation;
Fig. 3, combined stuffing scheme of installation;
Fig. 4, parallel type combined stuffing synoptic diagram;
Fig. 5, blossom type combined stuffing synoptic diagram.
The present invention's advantage compared with prior art is: find out best combined stuffing and be applicable to anaerobic reactor, technological process is simple, solved the problem of existing plugged filter and upflow sludge blanket sludge loss when processing wastewater of chemical industry with high concentration, can bear the impact of high load capacity, make for a long time high load capacity stable operation of large production anaerobic reactor, and volumetric loading is at 3Kg/m3.d more than.
Below in conjunction with accompanying drawing most preferred embodiment of the present invention is described further:
Most preferred embodiment of the present invention as shown in Figure 1, the anaerobic reation pool of being made up of triphase separator 1, water distribution pipeline 4 and methane outlet 5 etc. is in the middle and lower part of reaction tank, it is the below of phase reactor 1, the top of water distributor 4 is provided with framework 2, combined stuffing 3 is installed, as shown in Figure 3 on framework 2.Frame bracket 2 is divided into two kinds of tight support and Steel Brackets.The full name of tight support 2 is the adjustable light tight support of YDQ type.Tight support 2 has material-saving, fireballing advantage, and Steel Bracket has characteristics such as life cycle is long.As shown in Figure 2, combined stuffing 3 is improved a kind of novel fillers in addition on the basis of soft-filler, at axial cord 6 overcoats one center sleeve 7, the plastic hoop 8 that some peripheries have Mierocrystalline cellulose 9 is installed on center sleeve 7.It gathers the advantage of various fillers, have that biofilm speed is fast, specific surface area is big, the space is variable, shock-resistant, handle advantages such as waste strength height, treatment effect be stable.Combined stuffing 3 be arranged with parallel type, as shown in Figure 4; Also can adopt blossom type to arrange, as shown in Figure 5.During the parallel type assembling, the diameter of filler unit equals framework barrier spacing dimension; During the blossom type assembling, the diameter of filler unit customizes according to framework barrier spacing, and its concrete installation dimension sees the following form unit: millimeter.
| Product specification | Φ80 | Φ100 | Φ120 | Φ150 | Φ173 | Φ180 | Φ200 | Φ250 |
| Frame spacing | ?69 | ?86 | ?104 | ?130 | ?150 | ?156 | ?173 | ?216 |
Combined stuffing 3 roles are that the specific surface area of the attached growth of microorganisms on the filler is big on the one hand, has increased the microorganism recoverable amount in the unit volume reaction unit, for improving plant efficiency and the adaptability of load variations having been created good condition; The combined stuffing 3 that is fixed on the other hand on the support 2 is difficult for running off.
Handle the method for waste water, be reflected in the anaerobic reation pool and carry out, its condition is as follows:
A kind of method of handling waste water, biochemical reaction carries out in anaerobic reation pool, it is characterized in that:
A. operation scheme:
1. in anaerobic reation pool, drop into COD≤6000mg/L; PH=5.8-6.8; COD: N: P=200: (4.5-7.5): (0.75-1.25); Waste water, temperature in the pond: 34 ℃-39 ℃; In COD: N: P=200: 4-6: the volumetric loading that the 0.5-1.5 ratio drops in the nutritive salt anaerobic reation pool is 3.0kg/COD/m
3.d;
2. add seed sludge in anaerobic reation pool, starting point concentration is 30g/L;
When 3. beating internal recycle, promote wastewater temperature in the pond by 2 ℃/day amplitudes, until reaching with reflux pump
Volatile acid≤250mg/L;
Basicity: 1500-3000m/L;
COD≤2000mg/L；
4. system is interrupted water inlet, cultivates acclimation sludge, and influent load is controlled at 0.1-0.3kgCOD/m
3.d, looking water outlet volatile acid≤250mg/L; Basicity: 1500-3000mg/L; Can intake continuously behind COD≤2000mg/L;
5. water inlet continuously, operating load is controlled at 0.3-0.5kgCOD/m continuously for the first time
3.d, after one week of steady running, could promote load once more, load is at 1.0kgCOD/m
3When .d following, promote the load amplitude is 0.3kgCOD/m at every turn
3.d, load is at 1.0kgCOD/m
3When .d above, promote the load amplitude is 0.5kgCOD/m at every turn
3.d;
B. operational process:
1. pending waste water enters in the reaction tank from water pipe (4);
2. waste water carries out the organism anaerobic biochemical reaction with the microorganism that goes up combined stuffing (3) surface attached to framework (2) after entering reaction tank, and in handling the waste water process, temperature is: 34 ℃-39 ℃; Pressure is normal pressure; PH value is: 5.8-6.8;
3. waste water separates in triphase separator (1) after finishing the process of organism anaerobic metabolism on combined stuffing (3) surface.
The invention solves the problem that the upflow sludge bed reactor water distribution is irregular, sludge loss is serious, can play the effect of holding back mud and improving sludge settling property.Also solved simultaneously existing anaerobic filter blocking problem.Characteristics such as it has kept former anaerobic advantage on the one hand, and power consumption is low, and excess sludge is few, and facility investment is few; Increase the advantage that has treating sewage by using biological membrane behind the combined stuffing on the other hand, the processing efficiency height bears characteristics such as high negative impact relatively.Therefore, combined stuffing is handled in the wastewater of chemical industry with high concentration anaerobic process production, can reach the target of predetermined work load, makes anaerobic device high loading steady running for a long time.
Claims (5)
1. anaerobic reation pool of forming by triphase separator (1), water distribution pipeline (4), methane outlet (5) and reaction tank body, it is characterized in that: in the middle and lower part of reaction tank, it is the below of triphase separator (1), the water distributor top is provided with framework (2), goes up at framework (2) combined stuffing (3) is installed.
2. anaerobic reation pool according to claim 1 is characterized in that: said framework (2) is divided into two kinds of tight support and Steel Brackets.
3. anaerobic reation pool according to claim 1 is characterized in that: said combined stuffing (3) adopts blossom type to arrange, and perhaps adopts parallel type to arrange.
4. anaerobic reation pool according to claim 1 is characterized in that: said combined stuffing (3) is at axial cord (6) overcoat one center sleeve (7), goes up at center sleeve (7) plastic hoop (8) that some peripheries have Mierocrystalline cellulose (9) is installed.
5. method of handling waste water, biochemical reaction carries out in anaerobic reation pool, it is characterized in that:
A. operation scheme:
1. in anaerobic reation pool, drop into COD≤6000mg/L;
PH=5.8-6.8；
COD: N: P=200: (4.5-7.5): (0.75-1.25); Waste water, temperature in the pond: 34 ℃-39 ℃; In COD: N: P=200: 4-6: the 0.5-1.5 ratio drops into nutritive salt, and the volumetric loading in the anaerobic reation pool is 3.0kg/COD/m
3.d;
2. add seed sludge in anaerobic reation pool, starting point concentration is 30g/L;
When 3. beating internal recycle, promote wastewater temperature in the pond by 2 ℃/day amplitudes, until reaching volatile acid≤250mg/L with reflux pump;
Basicity: 1500-3000mg/L;
COD≤2000mg/L；
4. system is interrupted water inlet, cultivates acclimation sludge, and influent load is controlled at 0.1-0.3kgCOD/m
3.d, look water outlet volatile acid≤250mg/L;
Basicity: 1500-3000mg/L;
Can intake continuously behind COD≤2000mg/L;
5. water inlet continuously, operating load is controlled at 0.3-0.5kgCOD/m continuously for the first time
3.d, after one week of steady running, could promote load once more, load is at 1.0kgCOD/m
3When .d following, promote the load amplitude is 0.3kgCOD/m at every turn
3.d, load is at 1.0kgCOD/m
3When .d above, promote the load amplitude is 0.5kgCOD/m at every turn
3.d;
B. operational process:
1. pending waste water enters in the reaction tank from water pipe (4);
2. waste water carries out the organism anaerobic biochemical reaction with the microorganism that goes up combined stuffing (3) surface attached to framework (2) after entering reaction tank, and in handling the waste water process, temperature is: 34 ℃-39 ℃; Pressure is normal pressure; PH value is: 5.8-6.8;
3. waste water separates in triphase separator (1) after finishing the process of organism anaerobic metabolism on combined stuffing (3) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97117092A CN1072613C (en) | 1997-10-21 | 1997-10-21 | Anaerobic reation pool and method for treating waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97117092A CN1072613C (en) | 1997-10-21 | 1997-10-21 | Anaerobic reation pool and method for treating waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1215029A CN1215029A (en) | 1999-04-28 |
| CN1072613C true CN1072613C (en) | 2001-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97117092A Expired - Fee Related CN1072613C (en) | 1997-10-21 | 1997-10-21 | Anaerobic reation pool and method for treating waste water |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103043792B (en) * | 2013-01-19 | 2014-05-21 | 东北电力大学 | Method and device for cultivating anaerobic granular sludge |
| CN103496785A (en) * | 2013-10-17 | 2014-01-08 | 大连理工大学 | Degradation-resistant waste water graphene enhanced anaerobic treatment method |
| CN103966080B (en) * | 2014-05-08 | 2016-08-24 | 同济大学 | Microorganism enrichment sampler in a kind of water supply network pipe network water |
| CN108996681B (en) * | 2018-09-30 | 2021-12-07 | 云南天朗环境科技有限公司 | Anaerobic granular sludge and culture method and application thereof |
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1997
- 1997-10-21 CN CN97117092A patent/CN1072613C/en not_active Expired - Fee Related
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| CN1215029A (en) | 1999-04-28 |
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