CN104843902A - Integrated biological vector dephosphorizing reactor - Google Patents
Integrated biological vector dephosphorizing reactor Download PDFInfo
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- CN104843902A CN104843902A CN201510246881.XA CN201510246881A CN104843902A CN 104843902 A CN104843902 A CN 104843902A CN 201510246881 A CN201510246881 A CN 201510246881A CN 104843902 A CN104843902 A CN 104843902A
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Abstract
The invention discloses an integrated biological vector dephosphorizing reactor. The reactor is provided with a water distribution region, a reaction region and a deposition region in sequence from bottom to top; a deslagging port and a sludge hopper are arranged at the lower part of the water distribution region; the water distribution region is provided with an aerating device, a reflection plate and an annular distributor; the aerating device comprises an aerating pipe and an aerating head; the annular distributor comprises a distribution disc and a distribution column; the reaction region is provided with a first reaction region, a central pipe and a second reaction region from inside to outside in sequence; the upper part of the first reaction region is provided with a water inlet pipe and a drug inlet pipe; the bottom of the first reaction region is provided with an expansion pipe; a discharging port is formed in the lower part of the second reaction region and a charging port is formed in the upper part of the second reaction region; the deposition region is provided with an effluent weir and a water outlet pipe; a sawtoothed overflow weir is arranged at the upper part of the effluent weir. The reactor integrates flocculation dephosphorizing, absorption dephosphorizing and crystallization dephosphorizing functions; reactive units are complementary in the function; the structure is compact, and the occupation space is small; fast flocculation is realized by flow by gravity; slow crystallization is achieved in a carrier region, and the dephosphorizing and crystallizing efficiency is improved; phosphorus content in a product is high.
Description
Technical field
The present invention relates to the reactor of Removal of Phosphorus in Wastewater, particularly relate to integral biological amboceptor dephosphorizing reactor.
Background technology
China's water pollution is serious, and wherein eutrophication pollution causes eubiosis destruction, drinking water quality decline, causes great effect to human lives and production.Phosphoric is the key constraints causing body eutrophication.In recent years, phosphorus-containing wastewater is increasing on the one hand, causes environmental pollution and ecological damage constantly to aggravate; On the other hand, due to a large amount of exploitation, phosphor resource is tending towards exhausting.According to estimates, by existing recovery rate, the phosphate rock resource in the whole world can only maintain 100 ~ 250 years.Therefore, waste water dephosphorization and resource utilization thereof are recycled, and have become the key subjects in environment and re-sources field.
Biological dephosphorization is conventional waste water dephosphorization technology, but its to waste component require high, dephosphorizing rate is lower, operation stability and very flexible, surplus sludge volume are large and it is difficult to dispose.Chemical precipitation dephosphorization method is another kind of important waste water dephosphorization technology.Practical discovery, there is the shortcomings such as sedimentation speed is slow, solid-liquid separation is poor, moisture percentage in sewage sludge is high, P content in sludge is low in traditional chemical precipitation dephosphorization method.Chemicrystallization dephosphorization method mainly contains struvite (MAP) crystallization process and calcium carbonate (HAP) crystallization process, and these class methods can remove phosphorus, can reclaim phosphorus again, are subject to the favor of academia and industrial community.But chemicrystallization dephosphorization method complicated operation, running cost is high, and up to the present major part research still rests on laboratory aspect, rarely has engineer applied.
Chemical precipitation dephosphorization method is combined with crystallizing-dephosphorizing method, utilize the retaining of modification excess sludge (biological amboceptor) simultaneously, adsorb, crystallization in motion effect, exploitation collection dephosphorization and phosphorus are recovered in the reactor of one, not only enhance waste water dephosphorization effect, achieve reclamation of phosphorus resource, and utilize biological amboceptor as nucleus, alleviate excess sludge and dispose pressure.
Summary of the invention
The present invention seeks to overcome the deficiencies in the prior art, integral biological amboceptor dephosphorizing reactor is provided.
Integral biological amboceptor dephosphorizing reactor body is provided with water distribution area from top to bottom in turn, reaction zone and settling region, the center of reaction zone and settling region is provided with pipe core, pipe core lower end is provided with convergent divergent channel, water distribution area is provided with slag-drip opening from top to bottom in turn, sludge bucket, aerating apparatus, reflector and circle distributor, aerating apparatus comprises aeration tube, aeration head, circle distributor comprises distributing disc and distribution post, reaction zone is provided with the first reaction zone from inside to outside in turn, second reaction zone, extending to convergent divergent channel from pipe core top 1/3rd is the first reaction zone, pipe core upper inner is provided with water inlet pipe, drug-feeding tube, top, second reaction zone is provided with opening for feed, bottom is provided with discharge port, first reaction zone is connected by circle distributor with second reaction zone, settling region is provided with effluent weir, rising pipe, effluent weir top is provided with prionodont overflow weir.
Described reactor blade diameter length ratio is 3 ~ 5, and the volume ratio of water distribution area, reaction zone and settling region is 1: 3 ~ 6: 2 ~ 4.The first described reaction zone and second reaction zone are concentric drums, and both are highly equal; First reaction zone is 1: 10 ~ 30 with the ratio of second reaction zone sectional area.Described aeration head is positioned at immediately below reflector, and reflector is positioned at immediately below convergent divergent channel, and distance is 10 ~ 30mm, and reflector diameter is 1.3 ~ 1.8 times of extension mouth diameter.Described distributing disc and convergent divergent channel are fixedly connected, it is 20 ~ 30 ° with sea line, perigee distance reactor bottom height is 50 ~ 150mm, distributing disc has the circular hole of φ 2 ~ 10mm, unit surface distribution 50 ~ 200, the distribution post of vertical mounting height 40 ~ 80mm in hole, distribution post lower aperture, upper end closed, φ 10 ~ 20mm aperture is evenly offered in side.Described water inlet pipe, drug-feeding tube are positioned at the first reaction zone central upper portion.
The beneficial effect that the present invention compared with prior art has: 1) reactor is divided into water distribution area, reaction zone and three, settling region unit from bottom to top, and adjacent cells has complementary functions, compact construction, and floor space is little; 2) reaction zone is divided into the first reaction zone and second reaction zone, flocculation dephosphorization, adsorption and dephosphorization and crystallizing-dephosphorizing is melted into a whole; 3) biological amboceptor is equipped with in second reaction zone, accelerates absorption crystallisation process, improves crystal phosphorus content simultaneously; 4) circle distributor water distribution uniformity; 5) settling region overflow weir adopts zig-zag crest of weir, can guarantee that settling region fluidised form is even.
Accompanying drawing explanation
Fig. 1 is integrated dephosphorizing reactor structural representation;
Fig. 2 is integrated dephosphorizing reactor structure A-A sectional view
In figure: slag-drip opening 1, sludge bucket 2, aeration tube 3, aeration head 4, reflector 5, distributing disc 6, distribution post 7, first reaction zone 8, convergent divergent channel 9, pipe core 10, water inlet pipe 11, drug-feeding tube 12, feed-pipe 13, discharge port 14, second reaction zone 15, overflow weir 16, rising pipe 17.
Embodiment
As Fig. 1, shown in 2, integral biological amboceptor dephosphorizing reactor body is provided with water distribution area I from top to bottom in turn, reaction zone II and settling region III, the center of reaction zone II and settling region III is provided with pipe core 10, pipe core 10 lower end is provided with convergent divergent channel 9, water distribution area I is provided with slag-drip opening 1 from top to bottom in turn, sludge bucket 2, aerating apparatus, reflector 5 and circle distributor, aerating apparatus comprises aeration tube 3, aeration head 4, circle distributor comprises distributing disc 6 and distribution post 7, reaction zone II is provided with the first reaction zone 8 from inside to outside in turn, second reaction zone 15, extending to convergent divergent channel 9 from pipe core 10 top 1/3rd is the first reaction zone 8, pipe core 10 upper inner is provided with water inlet pipe 11, drug-feeding tube 12, top, second reaction zone 15 is provided with opening for feed 13, bottom is provided with discharge port 14, first reaction zone 8 is connected by circle distributor with second reaction zone 15, settling region III is provided with effluent weir, rising pipe 17, effluent weir top is provided with prionodont overflow weir 16.
Described reactor blade diameter length ratio is 3 ~ 5, water distribution area I, the volume ratio of reaction zone II and settling region III is 1: 3 ~ 6: 2 ~ 4.The first described reaction zone 8 is concentric drums with second reaction zone 15, and both are highly equal; First reaction zone 8 is 1: 10 ~ 30 with the ratio of second reaction zone 15 sectional area.Described aeration head 4 is positioned at immediately below reflector 5, and reflector 5 is positioned at immediately below convergent divergent channel 9, and distance is 10 ~ 30mm, and reflector 5 diameter is 1.3 ~ 1.8 times of extension mouth 9 diameter.Described distributing disc 6 is fixedly connected with convergent divergent channel 9, it is 20 ~ 30 ° with sea line, perigee distance reactor bottom height is 50 ~ 150mm, distributing disc 6 has the circular hole of φ 2 ~ 10mm, unit surface distribution 50 ~ 200, the distribution post 7 of vertical mounting height 40 ~ 80mm in hole, distribution post 7 lower aperture, upper end closed, φ 10 ~ 20mm aperture is evenly offered in side.Described water inlet pipe 11, drug-feeding tube 12 are positioned at the first reaction zone 8 central upper portion.
A kind of integral biological amboceptor dephosphorizing reactor can make of PVC board and steel plate, its workflow is as follows: first by opening for feed 13 carrier loaded, first be filled to distribution post 7 height with Large stone rubble or glass sphere, recharge pretreated bio-carrier to distance opening for feed 13 about 30 ~ 80mm; Water inlet pipe 11 and drug-feeding tube 12 are intake into medicine simultaneously, fully mixing in the first reaction zone 8, along with flow by gravity carries out flocculation except phosphorus reaction in the first reaction zone 8; The throw out part that reaction produces enters base sludge bucket 2, is discharged by slag-drip opening 1, and partly precipitated thing is upwards flowed, by entering second reaction zone 15 after circle distributor water distribution uniformity by reflector 5 and aeration effect along with current; Because second reaction zone 15 sectional area increases, flow velocity slows down in second reaction zone 15, fully contacts with bio-carrier, carries out absorption crystallization reaction, and tackles suspended solid, carries out solid-liquid separation; Second reaction zone 15 water outlet is settlement separate in settling region III, and after clarification, water outlet is discharged via rising pipe 17 through overflow weir 16.
In the present invention, the dephosphorization of reactor and crystallization are reclaimed key and are flow rate control.By the first reaction zone 8 and the design of second reaction zone 15 section area ratio, control the rapid flocculation dephosphorization function of water inlet in the first reaction zone 8, reflector 5 is also aided with aerating apparatus control upper reaches flow velocity, slow upper reaches in second reaction zone 15, reaches the effect of absorption crystallizing-dephosphorizing.
Claims (6)
1. an integral biological amboceptor dephosphorizing reactor, it is characterized in that: reactor body is provided with water distribution area (I) from top to bottom in turn, reaction zone (II) and settling region (III), the center of reaction zone (II) and settling region (III) is provided with pipe core (10), pipe core (10) lower end is provided with convergent divergent channel (9), water distribution area (I) is provided with slag-drip opening (1) from top to bottom in turn, sludge bucket (2), aerating apparatus, reflector (5) and circle distributor, aerating apparatus comprises aeration tube (3), aeration head (4), circle distributor comprises distributing disc (6) and distribution post (7), reaction zone (II) is provided with the first reaction zone (8) from inside to outside in turn, second reaction zone (15), extending to convergent divergent channel (9) from pipe core (10) top 1/3rd is the first reaction zone (8), pipe core (10) upper inner is provided with water inlet pipe (11), drug-feeding tube (12), second reaction zone (15) top is provided with opening for feed (13), bottom is provided with discharge port (14), first reaction zone (8) is connected by circle distributor with second reaction zone (15), (III) is provided with effluent weir in settling region, rising pipe (17), effluent weir top is provided with prionodont overflow weir (16).
2. a kind of integral biological amboceptor dephosphorizing reactor according to right 1, is characterized in that: described reactor blade diameter length ratio is 3 ~ 5, and the volume ratio of water distribution area (I), reaction zone (II) and settling region (III) is 1: 3 ~ 6: 2 ~ 4.
3. a kind of integral biological amboceptor dephosphorizing reactor according to right 1, is characterized in that: described the first reaction zone (8) and second reaction zone (15) are concentric drums, and both are highly equal; First reaction zone (8) is 1: 10 ~ 30 with the ratio of second reaction zone (15) sectional area.
4. a kind of integral biological amboceptor dephosphorizing reactor according to right 1, it is characterized in that: described aeration head (4) is positioned at immediately below reflector (5), reflector (5) is positioned at immediately below convergent divergent channel (9), distance is 10 ~ 30mm, and reflector (5) diameter is 1.3 ~ 1.8 times of extension mouth (9) diameter.
5. a kind of integral biological amboceptor dephosphorizing reactor according to right 1, it is characterized in that: described distributing disc (6) and convergent divergent channel (9) are fixedly connected, it is 20 ~ 30 ° with sea line, perigee distance reactor bottom height is 50 ~ 150mm, and distributing disc (6) has the circular hole of φ 2 ~ 10mm, unit surface distribution 50 ~ 200, the distribution post (7) of vertical mounting height 40 ~ 80mm in hole, distribution post (7) lower aperture, upper end closed, φ 10 ~ 20mm aperture is evenly offered in side.
6. a kind of integral biological amboceptor dephosphorizing reactor according to right 1, is characterized in that: described water inlet pipe (11), drug-feeding tube (12) are positioned at the first reaction zone (8) central upper portion.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915819A (en) * | 2017-03-16 | 2017-07-04 | 浙江大学 | The variable dephosphorizing reactor of current limliting and its waste water dephosphorization method |
| CN107311309A (en) * | 2017-08-02 | 2017-11-03 | 哈尔滨工业大学 | The micro- oxygen bioreactor of up-flow interior circulation and its aeration method and application method for strengthening mass transfer |
| CN111196627A (en) * | 2020-01-16 | 2020-05-26 | 中山大学 | Device based on elemental sulfur autotrophic denitrification process and wastewater treatment method |
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| CN101434445A (en) * | 2008-12-19 | 2009-05-20 | 天津大学 | Processing system and operation method for phosphor-containing organic wastewater |
| CN201433127Y (en) * | 2009-05-18 | 2010-03-31 | 浙江大学 | Crystallized phosphorus removing reactor |
| CN202080940U (en) * | 2011-05-11 | 2011-12-21 | 浙江大学 | Enhanced dephosphorization reactor |
| CN103693806A (en) * | 2013-12-06 | 2014-04-02 | 浙江大学 | Authigenic ferric salt chemical phosphorus removal-anaerobic ferrous oxidization biological denitrification integrated device |
| CN204675924U (en) * | 2015-05-15 | 2015-09-30 | 浙江大学 | A kind of integral biological amboceptor dephosphorizing reactor |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1359859A (en) * | 2001-10-27 | 2002-07-24 | 江苏宜净环保有限公司 | Improved process for primary treatment of sewage in urban area |
| CN101434445A (en) * | 2008-12-19 | 2009-05-20 | 天津大学 | Processing system and operation method for phosphor-containing organic wastewater |
| CN201433127Y (en) * | 2009-05-18 | 2010-03-31 | 浙江大学 | Crystallized phosphorus removing reactor |
| CN202080940U (en) * | 2011-05-11 | 2011-12-21 | 浙江大学 | Enhanced dephosphorization reactor |
| CN103693806A (en) * | 2013-12-06 | 2014-04-02 | 浙江大学 | Authigenic ferric salt chemical phosphorus removal-anaerobic ferrous oxidization biological denitrification integrated device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106915819A (en) * | 2017-03-16 | 2017-07-04 | 浙江大学 | The variable dephosphorizing reactor of current limliting and its waste water dephosphorization method |
| CN107311309A (en) * | 2017-08-02 | 2017-11-03 | 哈尔滨工业大学 | The micro- oxygen bioreactor of up-flow interior circulation and its aeration method and application method for strengthening mass transfer |
| CN107311309B (en) * | 2017-08-02 | 2023-06-06 | 哈尔滨工业大学 | Up-flow internal circulation micro-oxygen bioreactor, aeration method for strengthening mass transfer and using method thereof |
| CN111196627A (en) * | 2020-01-16 | 2020-05-26 | 中山大学 | Device based on elemental sulfur autotrophic denitrification process and wastewater treatment method |
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