CN105906041B - From air supporting efficient anaerobe reactor and its method - Google Patents

From air supporting efficient anaerobe reactor and its method Download PDF

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CN105906041B
CN105906041B CN201610403832.7A CN201610403832A CN105906041B CN 105906041 B CN105906041 B CN 105906041B CN 201610403832 A CN201610403832 A CN 201610403832A CN 105906041 B CN105906041 B CN 105906041B
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chamber
reactor
liquid
pipe
gas
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CN105906041A (en
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郑平
曾卓
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/28—Anaerobic digestion processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • 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

Abstract

The invention discloses one kind from air supporting efficient anaerobe reactor and its method, including bio-reaction zone and flotation separation zone, bio-reaction zone includes water distribution system and biological respinse room, water distribution system is provided with base cone, return duct outlet, lower sludge pipe, and biological respinse room is provided with sample tap, interior cycle diaphragm plate, central upspout, drop flow tube；Flotation separation zone includes flow guide system and slagging-off piece-rate system, flow guide system is provided with water inlet pipe and spiral diversion cylinder, and slagging-off piece-rate system is provided with gas-liquid separation chamber, extended position slag scraper, deslagging weir, dreg collecting slot, scum pipe, collection chamber, drop flow chamber, separation of solid and liquid room, outlet pipe, biogas discharge pipe, return duct suction inlet and return duct.The present invention integrates Bubble-floating Method and anaerobic bio-treated, using top water inlet and spiral diversion cylinder, can generate Extracellular polymers using itself and carry out coagulation to the colloid in water inlet, and air supporting is carried out to suspended matter using biogas, treatment effeciency is improved, improves effluent quality, reduces operation energy consumption.

Description

From air supporting efficient anaerobe reactor and its method
Technical field
The invention belongs to field of environment protection equipment, and in particular to a kind of from air supporting efficient anaerobe reactor and its method.
Background technology
Anaerobic biological reactor is that useless Organic substance in water is converted into biogas using anaerobe under anaerobic, from And realize the process of purification of water quality.Because anaerobic biological reactor has low power consuming, dynamical feature, this kind of reactor exists Field of waste water treatment is used widely.By years development, anaerobic biological reactor has released many products, is represented as：The Generation anaerobic biological reactor, mainly conventional anaerobic digestion pond and high speed digester；Second generation anaerobic biological reactor, mainly It is upflow sludge bed reactor and anaerobic biofilter reactor；Third generation anaerobic biological reactor, mainly anaerobic grain Sludge bulking bed reactor and inner circulation reactor.The processing capacity of anaerobic biological reactor is continuously improved, the life of third generation anaerobism The volume efficiency of object reactor can reach 20kgCODm-3·d-1More than.
Contain a large amount of particulate form organic pollutions in many organic wastewaters (such as livestock breeding wastewater and city domestic sewage), They are that COD is caused to be difficult to important reason up to standard and that water outlet is muddy.In addition, concentration of suspension is excessively high in organic wastewater water, also Can be deposited in reactor causes effective volume to reduce, while influences activity of anaerobic sludge, reduces reactor efficiency.Have existing In machine wastewater treatment process, air-floating apparatus is generally separately set to remove suspended solid (SS), can not only improve engineering complexity, Capital expenditure can be increased.Therefore, it develops from air supporting efficient anaerobe reactor and its operating technology for organic wastewater biology Processing has important practical significance.
One important feature of anaerobic biological reactor is to generate biogas, and under high-load condition, volume yield rate is reachable 20m-3·m-3·d-1, it removes suspended solid for Bubble-floating Method and provides power, another important feature of anaerobic digestion process is Function bacterium generates Extracellular polymers, has coagulation to suspended solid, it removes suspended solid for Bubble-floating Method and provides auxiliary. Bioconversion, air supporting are gone oil removal and anaerobic organism to react and be combined by the present invention, have high efficiency and practicability.
Invention content
Present invention aim to address problems of the prior art, and provide a kind of anti-from air supporting efficient anaerobe Answer device and its method.
One kind includes bio-reaction zone and flotation separation zone, wherein bio-reaction zone from air supporting efficient anaerobe reactor Including water distribution system and biological respinse room, water distribution system be provided with base cone, it is vertical under curved return duct outlet, lower sludge pipe, it is raw Object reative cell is provided with sample tap, interior cycle diaphragm plate, central upspout, drop flow tube；Flotation separation zone include flow guide system and Remove the gred piece-rate system, and flow guide system is provided with water inlet pipe and spiral diversion cylinder, slagging-off piece-rate system be provided with gas-liquid separation chamber, Extended position slag scraper, deslagging weir, dreg collecting slot, scum pipe, collection chamber, drop flow chamber, separation of solid and liquid room, outlet pipe, biogas discharge pipe, Return duct suction inlet, return duct.In bio-reaction zone, bottom is water distribution system, is provided with reactor base cone, the lower spoil disposal of base cone connection It manages, base cone center return duct outlet curved under being provided with vertically, reacting outdoor wall is set there are three sample tap, and reative cell top to be set Interior cycle diaphragm plate is equipped with, a central upspout is provided on interior cycle diaphragm plate, lower part is equipped with three drop flow tubes.In air supporting Disengagement zone, bottom are vertically upper curved water inlet pipe, and water inlet pipe top is spiral diversion cylinder, and spiral diversion cylinder top is gas-liquid Separation chamber, gas-liquid separation chamber's top biogas collection chamber, collection chamber top set biogas discharge pipe；Slag scraper is set to gas-liquid separation chamber Floating to surface, gas-liquid separation chamber outer is provided with deslagging weir, dreg collecting slot and scum pipe；Spiral diversion cylinder is provided with drop stream Room, drop flow chamber outer wall middle and upper part set return duct suction inlet, and be linked back flow tube outside；Drop flow chamber bottom is connected with separation of solid and liquid room, solid-liquid point From room top, outlet pipe is set.
Reactor is made of bio-reaction zone and flotation separation zone in the reactor, the ratio between height of the two for 3~ 4:1, the diameter ratio of the two is 1:2~3, the ratio between volume of the two is 1~1.5:1；The ratio of height to diameter of bio-reaction zone for 7~ 10；The ratio of height to diameter of flotation separation zone is 1~1.5.Cycle diaphragm plate in setting, is distinguished with dissolved air flotation at the top of bio-reaction zone Every the central upspout of setting on interior cycle diaphragm plate, central upspout is located at the interior cycle diaphragm plate center of circle, and three drop flow tubes are located at Between the interior cycle diaphragm plate center of circle and circumference at 1/2~2/3 radius, the angle α of three drop flow tubes is 120 °, and central upspout is horizontal Sectional area and three drop the ratio between flow tube cross-sectional area sums are 1:1~1.5, central upspout is 1 with the length ratio for dropping flow tube: 1~2, center drop flow tube bottom is no more than interior cycle diaphragm plate, and drop flow tube top is no more than interior cycle diaphragm plate.The spiral The ratio of height to diameter of formula guide shell is 3~5:1, the ratio between the diameter of spiral diversion cylinder and screw pitch are 1:1~1.5, spiral diversion cylinder It is 1 with the ratio between the cross-sectional area of flotation separation zone:5~7, spiral diversion cylinder highly account for flotation separation zone height 0.6~ 0.8, the upward face spiral diversion cylinder bottom of water inlet pipe exit normal.Drop flow chamber coboundary is aligned with outlet pipe central horizontal, It drops flow chamber top and is equipped with deslagging weir, the angle β of deslagging weir and datum water level is 45 °~60 °, dreg collecting slot bottom and datum-plane The angle γ in face is 45 °~60 °.The scraper plate lower edge of extended position slag scraper in dissolved air flotation and the liquid level in gas-liquid separation chamber are firm Good contact, scraper plate radially stretches around from center when extended position slag scraper is run, and scum silica frost is discharged into collection slag through deslagging weir In slot.The height ratio of collection chamber, gas-liquid separation chamber, drop flow chamber in flotation separation zone is 1:0.3~0.5:5~8.
It is an advantage of the invention that：1) it realizes with spiral diversion cylinder in a manner that top intakes and is given birth to using efficient anaerobic Suspended matter in a large amount of biogas air supportings removal high suspended matter concentration waste water that object reactor generates, water inlet and biogas mixed liquor are in spiral shell After the bottom of rotation guide shell is mixed after contact by longer flow, suspended matter forms scum silica frost floating on liquid level, passing through row Slag understands, cost-effectively eliminates harmful effect of the suspended matter to bioreactor in this way, also has to effluent quality and carries greatly very much It is high.Interior cycle and outer circulation are equipped with from air supporting efficient anaerobe reactor to be reduced reactor dead zone and strengthens mass transfer mistake Journey provides guarantee for Effec-tive Function.2) internal circulation apparatus is equipped with from air supporting efficient anaerobe reactor and outer circulation is returned Flow tube makes entire reative cell fluidised form be in full admixture, alleviates anaerobic reactor longitudinal direction soda acid and is unevenly distributed phenomenon, keeps away Acidification phenomenon is exempted from, and has reduced reactor dead zone and strengthen mass transport process, the Effec-tive Function for reactor provides guarantee. 3) from air supporting efficient anaerobe reactor can bear into water in high organic concentration, high suspended matter concentration, have it is very high Volume efficiency and volume conversion ratio.
Description of the drawings
Fig. 1 is from air supporting efficient anaerobe reactor structure diagram；
Fig. 2 is interior cycle diaphragm plate, upspout and the partial schematic diagram for dropping flow tube；
In figure：Bio-reaction zone I, flotation separation zone II, base cone 1, lower sludge pipe 2, sample tap 3, return duct outlet 4, it is interior Diaphragm plate 5 is recycled, central upspout 6, drop flow tube 7, water inlet pipe 8, spiral diversion cylinder 9, gas-liquid separation chamber 10, extended position scrape slag Device 11, deslagging weir 12, dreg collecting slot 13, scum pipe 14, collection chamber 15, drop flow chamber 16, separation of solid and liquid room 17, outlet pipe 18, biogas Discharge pipe 19, return duct suction inlet 20, return duct 21.
Specific embodiment
The present invention is further elaborated and illustrated with reference to the accompanying drawings and detailed description.Each implementation in the present invention The technical characteristic of mode can carry out the corresponding combination under the premise of not conflicting with each other.
As shown in Figs. 1-2, it is a kind of to include bio-reaction zone I and flotation separation zone from air supporting efficient anaerobe reactor II, wherein bio-reaction zone includes water distribution system and biological respinse room, and water distribution system is provided with base cone 1, lower sludge pipe 2, reflux Pipe outlet 4, biological respinse room are provided with sample tap 3, interior cycle diaphragm plate 5, central upspout 6, drop flow tube 7；Flotation separation zone Including flow guide system and slagging-off piece-rate system, flow guide system is provided with water inlet pipe 8 and spiral diversion cylinder 9, and remove the gred piece-rate system It is provided with gas-liquid separation chamber 10, extended position slag scraper 11, deslagging weir 12, dreg collecting slot 13, scum pipe 14, collection chamber 15, drop flow chamber 16th, separation of solid and liquid room 17, outlet pipe 18, biogas discharge pipe 19, return duct suction inlet 20, return duct 21；In bio-reaction zone I, bottom Portion is water distribution system, is provided with reactor base cone 1, the lower sludge pipe 2 of the connection of base cone 1,1 center of base cone is curved under being provided with vertically to be returned Flow tube outlet 4, there are three sample tap 3, reative cell top is provided with interior cycle diaphragm plate 5 for reacting outdoor wall setting, and interior cycle is horizontal A central upspout 6, three drop flow tubes 7 are provided on partition board 5.In flotation separation zone II, bottom is vertically upper curved water inlet Pipe 8,8 top of water inlet pipe are spiral diversion cylinder 9, and 9 top of spiral diversion cylinder is gas-liquid separation chamber 10, in gas-liquid separation chamber 10 Portion is collection chamber 15, and 15 top of collection chamber sets biogas discharge pipe 19；Extended position slag scraper 11 is set to 10 surface of gas-liquid separation chamber, 10 outer of gas-liquid separation chamber is provided with deslagging weir 12, dreg collecting slot 13 and scum pipe 14；Spiral diversion cylinder 9 is provided with drop stream Room 16,16 outer wall middle and upper part of drop flow chamber set return duct suction inlet 20, the flow tube that is linked back outside 21；16 bottom of flow chamber and separation of solid and liquid room 17 drop It is connected, 17 top of separation of solid and liquid room setting outlet pipe 18.
It is made of from the reactor of air supporting efficient anaerobe reactor bio-reaction zone I and flotation separation zone II, the two The ratio between height be 3~4:1, the diameter ratio of the two is 1:2~3, the ratio between volume of the two is 1~1.5:1；Bio-reaction zone I ratio of height to diameter is：7~10；The ratio of height to diameter of flotation separation zone II is 1~1.5.Cycle tabula in I top setting of bio-reaction zone Plate 5 separates with flotation separation zone II, and the central upspout 6 of setting on interior cycle diaphragm plate 5, it is horizontal that central upspout 6 is located at interior cycle 5 center of circle of partition board, three drop flow tubes 7 are located between interior cycle 5 center of circle of diaphragm plate and circumference at 1/2~2/3 radius, three drop flow tubes 7 angle α is 120 °, and central 6 cross-sectional area of upspout is 1 with three drop the ratio between 7 cross-sectional area sums of flow tube:1~1.5, in The length ratio for entreating upspout 6 and drop flow tube 7 is 1:1~2, center 6 bottom of drop flow tube is no more than interior cycle diaphragm plate 5, drop stream 7 top of pipe is no more than interior cycle diaphragm plate 5.The ratio of height to diameter of the spiral diversion cylinder 9 is 3~5:1, spiral diversion cylinder 9 Diameter and the ratio between screw pitch be 1:1~1.5, the ratio between spiral diversion cylinder 9 and the cross-sectional area of flotation separation zone II are 1:5~7, 9 height of spiral diversion cylinder accounts for the 0.6~0.8 of II height of flotation separation zone, the upward face spiral stream guidance of water inlet pipe exit normal 9 bottoms of cylinder.16 coboundary of drop flow chamber is aligned with outlet pipe central horizontal, and 16 top of drop flow chamber is equipped with deslagging weir 12, deslagging weir 12 Angle β with datum water level is 45 °~60 °, and the angle γ of 13 bottom of dreg collecting slot and datum water level is 45 °~60 °.Air supporting The scraper plate lower edge of extended position slag scraper 11 in Disengagement zone II is just contacted with the liquid level in gas-liquid separation chamber 10, and extended position scrapes slag Scraper plate radially stretches around from center when device 11 is run, and scum silica frost is discharged into through deslagging weir 12 in dreg collecting slot 13.Air supporting point From in area II collection chamber 15, gas-liquid separation chamber 10, drop flow chamber 16 height ratio be 1:0.3~0.5:5~8.
Method using the reactor for treatment waste water is：In bio-reaction zone, aerogenesis matrix returning from flotation separation zone Flow liquid after reacted area bottom water distribution system is uniformly distributed, is flowed up along reaction zone, and organic matter is converted by microbial action Into biogas, the interior central upspout set on diaphragm plate that recycles in reacted area top enters flotation separation zone to biogas again, is waste water Suspended solid air supporting provides power.In flotation separation zone, biogas and its carrying liquid from bio-reaction zone are with coming from water inlet pipe Waste water be concomitantly introduced into spiral stream guidance cylinder bottom, strengthen through spiral stream guidance cylinder and contact, mixed liquor enters gas-liquid separation chamber, biogas by Gas-liquid separation chamber escapes into collection chamber, and reactor is drawn from biogas discharge pipe；Mixed liquor enters drop flow chamber by gas-liquid separation chamber, through solid Liquid separation chamber gravitational settling, supernatant is from outlet pipe outflow reactor；Scum silica frost, floating to surface, is pushed away in gas-liquid separation chamber by slag scraper It crosses deslagging weir and enters dreg collecting slot, reactor is discharged by scum pipe；Settled sludge is acted on through separation of solid and liquid room, is deposited to separation of solid and liquid Room bottom returns to reaction zone by the drop flow tube on interior cycle diaphragm plate.From air supporting efficient anaerobe reactor need compared with High organic loading (5kgCODm-3·d-1More than) under the conditions of run, generate enough biogas to meet and reach from air supporting mesh 's.
Embodiment described above is a kind of preferable scheme of the present invention, and so it is not intended to limiting the invention.Have The those of ordinary skill of technical field is closed, without departing from the spirit and scope of the present invention, various changes can also be made Change and modification.Therefore the technical solution that all modes for taking equivalent substitution or equivalent transformation are obtained all falls within the guarantor of the present invention In the range of shield.

Claims (9)

  1. It is 1. a kind of from air supporting efficient anaerobe reactor, it is characterised in that including bio-reaction zone (I) and flotation separation zone (II), wherein bio-reaction zone (I) includes water distribution system and biological respinse room, and water distribution system is provided with base cone (1), lower sludge pipe (2), return duct outlet (4), biological respinse room are provided with sample tap (3), interior cycle diaphragm plate (5), central upspout (6), drop Flow tube (7)；Flotation separation zone (II) includes flow guide system and slagging-off piece-rate system, and flow guide system is provided with water inlet pipe (8) and spiral shell Rotating guide shell (9), slagging-off piece-rate system are provided with gas-liquid separation chamber (10), extended position slag scraper (11), deslagging weir (12), collection Slag chute (13), scum pipe (14), collection chamber (15), drop flow chamber (16), separation of solid and liquid room (17), outlet pipe (18), biogas discharge Manage (19), return duct suction inlet (20) and return duct (21)；Bio-reaction zone (I), bottom is water distribution system, is provided with reactor Base cone (1), the lower sludge pipe (2) of base cone (1) connection, the return duct outlet (4) curved under being provided with vertically of base cone (1) center, reaction There are three sample tap (3), reative cell top is provided with interior cycle diaphragm plate (5), is set on interior cycle diaphragm plate (5) for chamber outer wall setting It is equipped with a central upspout (6) and three drop flow tubes (7)；Flotation separation zone (II), bottom is vertically upper curved water inlet pipe (8), water inlet pipe (8) top is spiral diversion cylinder (9), and spiral diversion cylinder (9) top is gas-liquid separation chamber (10), and gas-liquid is divided It is collection chamber (15) from room (10) top, biogas discharge pipe (19) is set at the top of collection chamber (15)；Extended position slag scraper (11) is set In gas-liquid separation chamber (10) surface, gas-liquid separation chamber (10) outer is provided with deslagging weir (12), dreg collecting slot (13) and scum pipe (14)；Spiral diversion cylinder (9) is provided with drop flow chamber (16), drop flow chamber (16) outer wall middle and upper part sets return duct suction inlet (20), the flow tube that is linked back outside (21)；Drop flow chamber (16) bottom is connected with separation of solid and liquid room (17), the setting of separation of solid and liquid room (17) top Outlet pipe (18).
  2. It is 2. according to claim 1 a kind of from air supporting efficient anaerobe reactor, it is characterised in that：Reactor is by biology Reaction zone (I) and flotation separation zone (II) are formed, and the ratio between height of the two is 3~4:1, the diameter ratio of the two is 1:2~3, The ratio between volume of the two is 1~1.5:1；The ratio of height to diameter of bio-reaction zone (I) is：7~10；The ratio of height to diameter of flotation separation zone (II) For：1~1.5.
  3. It is 3. according to claim 1 a kind of from air supporting efficient anaerobe reactor, it is characterised in that：Bio-reaction zone (I) cycle diaphragm plate (5) in the setting of top, separates with flotation separation zone (II), setting center up-flow on interior cycle diaphragm plate (5) It manages (6), central upspout (6) is positioned at interior cycle diaphragm plate (5) center of circle, and three drop flow tubes (7) are positioned at interior cycle diaphragm plate (5) circle Between the heart and circumference at 1/2~2/3 radius, the angle αs of three drop flow tubes (7) for 120 °, central upspout (6) cross-sectional area with It is 1 that three, which are dropped the ratio between flow tube (7) cross-sectional area sum,:1~1.5, central upspout (6) and the length ratio of drop flow tube (7) are 1:1~2, center drop flow tube (6) bottom is no more than interior cycle diaphragm plate (5), and drop flow tube (7) top is no more than interior cycle diaphragm plate (5)。
  4. It is 4. according to claim 1 a kind of from air supporting efficient anaerobe reactor, it is characterised in that：Described is spiral The ratio of height to diameter of guide shell (9) is 3~5:1, the ratio between the diameter of spiral diversion cylinder (9) and screw pitch are 1:1~1.5, spirally lead The ratio between flow cartridge (9) and the cross-sectional area of flotation separation zone (II) are 1:5~7, spiral diversion cylinder (9) highly accounts for flotation separation zone (II) the 0.6~0.8 of height, upward face spiral diversion cylinder (9) bottom of water inlet pipe exit normal.
  5. It is 5. according to claim 1 a kind of from air supporting efficient anaerobe reactor, it is characterised in that：It drops in flow chamber (16) Boundary is aligned with outlet pipe central horizontal, and drop flow chamber (16) top is equipped with deslagging weir (12), deslagging weir (12) and datum water level Angle β for 45 °~60 °, the angle γ of dreg collecting slot (13) bottom and datum water level is 45 °~60 °.
  6. It is 6. according to claim 1 a kind of from air supporting efficient anaerobe reactor, it is characterised in that：Flotation separation zone (II) the scraper plate lower edge of the extended position slag scraper (11) in is just contacted with the liquid level in gas-liquid separation chamber (10), and extended position scrapes slag Scraper plate radially stretches around from center when device (11) is run, and scum silica frost is discharged into through deslagging weir (12) in dreg collecting slot (13).
  7. It is 7. according to claim 1 a kind of from air supporting efficient anaerobe reactor, it is characterised in that：Flotation separation zone (II) the height ratio of collection chamber (15), gas-liquid separation chamber (10), drop flow chamber (16) in is 1:0.3~0.5:5~8.
  8. 8. a kind of wastewater treatment method using reactor described in claim 1, it is characterised in that：Step is as follows：
    In bio-reaction zone, phegma of the aerogenesis matrix from flotation separation zone, reacted area bottom water distribution system is uniformly distributed Afterwards, it is flowed up along reaction zone, organic matter is converted to the center set on cycle diaphragm plate at the top of biogas, then reacted area and rises Flow tube enters flotation separation zone, and power is provided for waste water suspended solid air supporting；In flotation separation zone, the natural pond from bio-reaction zone Gas and its carrying liquid are concomitantly introduced into spiral diversion cylinder bottom with the waste water from water inlet pipe, are connect through the reinforcing of spiral diversion cylinder It touches, mixed liquor enters gas-liquid separation chamber, and biogas escapes into collection chamber by gas-liquid separation chamber, and reactor is drawn from biogas discharge pipe；It is mixed It closes liquid and drop flow chamber is entered by gas-liquid separation chamber, through separation of solid and liquid room gravitational settling, supernatant is from outlet pipe outflow reactor；Scum silica frost In gas-liquid separation chamber floating to surface, deslagging weir is pushed through by slag scraper and enters dreg collecting slot, reactor is discharged by scum pipe；Settled sludge It is acted on through separation of solid and liquid room, is deposited to separation of solid and liquid room bottom, reaction zone is returned to by the drop flow tube on interior cycle diaphragm plate.
  9. 9. wastewater treatment method as claimed in claim 8, it is characterised in that：Shape is run from air supporting efficient anaerobe reactor Under state, organic loading is in 5kgCODm-3·d-1More than.
CN201610403832.7A 2016-06-07 2016-06-07 From air supporting efficient anaerobe reactor and its method Active CN105906041B (en)

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CN105565489B (en) * 2015-12-21 2018-09-11 哈尔滨工业大学 Sludge circulating type effectively hydrolyzing reaction unit
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