CN105540843B - A kind of integrated autotrophic type denitrification reactor - Google Patents

A kind of integrated autotrophic type denitrification reactor Download PDF

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Publication number
CN105540843B
CN105540843B CN201510944520.2A CN201510944520A CN105540843B CN 105540843 B CN105540843 B CN 105540843B CN 201510944520 A CN201510944520 A CN 201510944520A CN 105540843 B CN105540843 B CN 105540843B
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reaction zone
rotating disk
reactor
biological rotating
reactor body
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CN105540843A (en
Inventor
金仁村
史志坚
郭琼
张正哲
陈倩倩
姜晓燕
许轶群
杨晨晨
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Zhejiang Guoquan ecological environment Co., Ltd
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Hangzhou Normal University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • C02F3/303Nitrification and denitrification treatment characterised by the nitrification
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • C02F3/307Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia

Abstract

A kind of integrated autotrophic type denitrification reactor, including reactor body, base and base-mounted support, reactor body, support is all arranged on base, reactor body includes the biological rotating disk on top and the Anammox unit of bottom, biological rotating disk includes tank, rotating disk disc, rotary middle spindle and aerator, Anammox unit inner chamber is divided into the first reaction zone, second reaction zone and the 3rd reaction zone, 3rd reaction zone is divided into granule sludge area from top to bottom, settling zone and exhalant region, granule sludge area bottom is provided with the mud discharging mouth with valve;Exhalant region top is provided with downflow weir, and the outside of downflow weir is furnished with effluent trough, and the bottom of effluent trough sets outlet pipe.The beneficial effects of the invention are as follows:Composite rotating bio-disc/the anaerobic ammonia oxidation reactor rotates in air driven biological rotating disk discs to be made high nitrogenous effluent fully contact with oxygen to realize short distance nitration, the controllable rotary speed of regulation aeration quantity, has good capacity of resisting impact load.

Description

A kind of integrated autotrophic type denitrification reactor
Technical field
The present invention relates to a kind of integrated autotrophic type denitrification reactor.
Background technology
China proceeds by the research of biological rotating disk the 1970s, in printing and dyeing, papermaking, leather and petrochemical industry etc. It is applied in the Industrial Wastewater Treatment of industry, obtains good effect.In terms of process operation and maintenance, biological rotating disk has Power consumption is low, capacity of resisting impact load is strong, the advantages that facilitating without returned sludge, management operating.But traditional biology turns The problems such as organic loading is low, denitrification effect is poor in sewage disposal be present in disk.
Biological rotating disk/anaerobic ammonia oxidation process is a kind of green, efficient biological denitrification process, and the technique is in biological rotating disk Stage carries out short distance nitration, then carries out Anammox, realizes the biological treatment of high ammonia-nitrogen wastewater.In current research, It has been successfully realized in rotating biological contactor and has realized short distance nitration.But in technological design, not yet occur itself and anaerobism ammonia The technique of oxidation coupling.Therefore exploitation composite rotating bio-disc/anaerobic ammonia oxidation reactor has important practical significance.
The content of the invention
There is the problem of denitrification effect difference in the present invention's, it is proposed that one kind overcomes existing for current anaerobic ammonia oxidation process Have the deficiency of technology, there is provided it is a kind of traditional biological rotating disk is combined with anaerobic ammonia oxidation process, denitrification effect is good, organic loading High integrated self-supported denitrification reactor.
A kind of integrated autotrophic type denitrification reactor of the present invention, including reactor body, base and mounted in base On support, described reactor body, described support all be arranged on described base on, it is characterised in that:Described is anti- Device body is answered to include the biological rotating disk on top and the Anammox unit of bottom, described biological rotating disk includes tank, rotating disk Disc, rotary middle spindle and aerator, described tank is on the top plate of described Anammox unit, described water Groove is located at the underface of described rotating disk disc;The rotary middle spindle of described rotating disk disc is arranged on described support, and And airhood is provided with around the outer rim of rotor disc;Described aerator includes aeration tube, air-diffuser, described sky Gas disperser is arranged at the gas outlet of described aeration tube;Described biological rotating disk is provided with water inlet pipe and baffle pipe, institute The baffle pipe stated connects with Anammox unit bottom;
Described Anammox unit inner chamber is divided into the first reaction zone, second reaction zone and the 3rd reaction zone, institute The first deflection plate, the first described deflection plate lower end and reactor sheet are provided between the first reaction zone stated and second reaction zone The bottom connection of body, the upper end of the first deflection plate at the top of Anammox unit with leaving space;Described second reaction zone with The second deflection plate is provided between granule sludge area, the upper end of the second deflection plate at the top of Anammox unit with being connected, and second Space is left in the lower end of deflection plate with reactor body bottom, and gap sets retention plate;The 3rd described reaction zone from it is lower to On be divided into granule sludge area, settling zone and exhalant region, described granule sludge area bottom is provided with the mud discharging mouth with valve;Institute The exhalant region top stated is provided with downflow weir, and the outside of described downflow weir is furnished with effluent trough, and the bottom of described effluent trough is set Put outlet pipe.
Described biological rotating disk is twin shaft stage type, the corresponding rotary middle spindle of each biological rotating disk, during two rotate The parallel rack-mount portion of mandrel, and have space bar between biological rotating disk.
Blast pipe is provided with the top of described Anammox unit;Described blast pipe passes through biological rotating disk level interval Plate;Described exhaust outlet is connected with blast pipe and is higher than tank at the top of exhaust outlet.
Described reactor body is rectangle, wherein, the Anammox unit inner chamber edge of described reactor body Length direction is divided into the first reaction zone, second reaction zone and the 3rd reaction zone from right to left;Described reactor body It is high:It is long:A width of 6~7:3~4:1~2, the volume ratio of described biological rotating disk and Anammox unit is 1:3~4.
The ratio between width of the first described deflection plate and the width of the second deflection plate and reaction zone body is 0.4~0.7: 1;The length ratio of the first described deflection plate and the length of the second deflection plate and reactor body is 0.5~0.8:1.
The ratio between described the first reaction zone, second reaction zone and granule sludge area volume are 1:0.8~1:1~1.3.
Polyurethane sponge carrier, and described polyurethane are set in the first described reaction zone and second reaction zone Sponge carrier is length of side 2cm square;The packing volume added in first reaction zone and second reaction zone respectively accounts for its volume 25%~45%.
Described granule sludge area internal anaerobic ammonium oxidation granular sludge.
The integrated autotrophic type denitrification reactor can be made by steel plate or lucite, and its workflow is as follows:It is high nitrogenous Waste water enters biological rotating disk by water inlet pipe, and part ammonium oxidation is nitrite based on aerobic ammonia-oxidizing bacteria by card top layer, So as to realize short distance nitration;The biomembrane of aging comes off by shearing force caused by disc rotary on bio-disc simultaneously, biology Film is constantly updated, and high activity aerobic ammonia-oxidizing bacteria can maintain high-efficiency short-range nitration;Contain ammonia nitrogen and Asia by what biological rotating disk was handled The waste water of nitrate nitrogen enters Anammox unit by baffle pipe, passes through the first reaction zone, second reaction zone and granule sludge area Interior Anammox thalline metabolism realizes autotrophic type denitrogenation, and granule sludge is efficiently separated in settling zone, and water outlet is through going out Pool downflow weir enters effluent trough, then discharges reactor body by the delivery port of outlet pipe, produces nitrogen and passes through blast pipe Discharge, so as to realize the biological denitrificaion of sewage.
The beneficial effects of the invention are as follows:1) composite rotating bio-disc/anaerobic ammonia oxidation reactor is given birth in air driven Thing rotating disk discs, which rotates, to be made high nitrogenous effluent fully contact with oxygen to realize short distance nitration, and regulation aeration quantity can control rotating disk turn Speed, so as to have good capacity of resisting impact load, realize efficient short distance nitration reaction;2) biological rotating disk and Anammox phase With reference to, volumetric loading can be obviously improved with microbial biomass higher in maintenance reaction device, it is more stable efficient;3) with traditional denitrogenation Technique is compared, and running less energy consumption, is not required to additionally to add that carbon source, sludge yield are few, and cost is small and reduces floor space;4) The setting of Anammox unit Multi-level deflector plate extends the path that waste water flows through, and enhances biological withholding ability, improves Effective reaction time.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention (arrow represents biological rotating disk direction of rotation).
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings:
A kind of integrated autotrophic type denitrification reactor of the present invention of embodiment 1, including reactor body 1, the and of base 2 Support 3 on base 2, described reactor body 1, described support 3 are all arranged on described base 2, described Reactor body 1 includes the biological rotating disk 4 on top and the Anammox unit 5 of bottom, and described biological rotating disk 4 includes tank 6th, rotating disk disc 7, rotary middle spindle 8 and aerator, described tank 6 are mounted in the top plate of described Anammox unit 5 On, described tank 6 is located at the underface of described rotating disk disc 7;The rotary middle spindle 8 of described rotating disk disc 7 is arranged on On described support 3, and airhood is provided with around the outer rim of rotor disc 7;Described aerator includes aeration tube 11, sky Gas disperser 12, described air-diffuser 12 are arranged at the gas outlet of described aeration tube 11;Described biology turns Disk 4 is provided with water inlet pipe 13 and baffle pipe 14, and described baffle pipe connects with Anammox unit bottom;
The described inner chamber of Anammox unit 5 is divided into the first reaction zone 15, second reaction zone 16 and the 3rd is reacted Area, the first deflection plate 20, the first described deflection plate 20 are provided between the first described reaction zone 15 and second reaction zone 16 Lower end is connected with the bottom of reactor body 1, and space is left at upper end and the top of Anammox unit 5 of the first deflection plate 20; The second deflection plate 21, the upper end of the second deflection plate 21 and anaerobism are provided between described second reaction zone 16 and granule sludge area The top of ammonia oxidation unit 5 connects, and space is left in lower end and the bottom of reactor body 1 of the second deflection plate 21, and gap, which is set, to be cut Stay plate 22;The 3rd described reaction zone is divided into granule sludge area 17, settling zone 18 and exhalant region 19 from top to bottom, described The bottom of granule sludge area 17 is provided with the mud discharging mouth 24 with valve 23;The described top of exhalant region 19 is provided with downflow weir 27, described The outside of downflow weir 27 be furnished with effluent trough 26, the bottom of described effluent trough 26 sets outlet pipe 28.
Described biological rotating disk 4 is twin shaft stage type, the corresponding rotary middle spindle 8 of each biological rotating disk 4, two rotations Central shaft 8 it is parallel be arranged on the top of support 3, and have interstage diaphragm 9 between biological rotating disk 4.
The described top of Anammox unit 5 is provided with blast pipe 29;Described blast pipe 29 passes through biological rotating disk level Space bar 9;Described exhaust outlet 30 is connected with blast pipe 29 and the top of exhaust outlet 30 is higher than tank 6.
Described reactor body 1 is rectangle, wherein, the inner chamber of Anammox unit 5 of described reactor body 1 It is divided into the first reaction zone 15, the reaction zone of second reaction zone 16 and the 3rd from right to left along its length;Described reactor The height of body 1:It is long:A width of 6~7:3~4:1~2, the volume ratio of described biological rotating disk 4 and Anammox unit 5 is 1:3 ~4.
The ratio between width of the first described deflection plate 20 and the width of the second deflection plate 21 and reaction zone body 1 is 0.4 ~0.7:1;The length ratio of the first described deflection plate 20 and the length of the second deflection plate 21 and reactor body 1 for 0.5~ 0.8:1.
The ratio between described the first reaction zone 15, second reaction zone 16 and the volume of granule sludge area 17 are 1:0.8~1:1~ 1.3。
Polyurethane sponge carrier, and described poly- Asia are set in the first described reaction zone 15 and second reaction zone 16 Pacify the square that ester sponge carrier is length of side 2cm;The packing volume added in first reaction zone 15 and second reaction zone 16 respectively accounts for The 25%~45% of its volume.
The described internal anaerobic ammonium oxidation granular sludge of granule sludge area 17.
The integrated autotrophic type denitrification reactor can be made by steel plate or lucite, and its workflow is as follows:It is high nitrogenous Waste water enters biological rotating disk 4 by water inlet pipe 13, and part ammonium oxidation is nitrous acid based on aerobic ammonia-oxidizing bacteria by card top layer Salt, so as to realize short distance nitration;The biomembrane of aging comes off by shearing force caused by disc rotary on bio-disc 7 simultaneously, Biomembrane is constantly updated, and high activity aerobic ammonia-oxidizing bacteria can maintain high-efficiency short-range nitration;Contain ammonia nitrogen by what biological rotating disk 4 was handled Enter Anammox unit 5 by baffle pipe 14 with the waste water of nitrite nitrogen, pass through the first reaction zone 15, the and of second reaction zone 16 Anammox thalline metabolism realizes autotrophic type denitrogenation in granule sludge area 17, and granule sludge obtains effectively in settling zone 18 Separation, water outlet enter effluent trough 26 through the downflow weir 27 of exhalant region 19, then discharge reactor by the delivery port 25 of outlet pipe 28 Body 1, produce nitrogen and discharged by blast pipe 29, so as to realize the biological denitrificaion of sewage.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology Personnel according to present inventive concept it is conceivable that equivalent technologies mean.

Claims (8)

1. a kind of integrated autotrophic type denitrification reactor, including reactor body, base and base-mounted support, described Reactor body, described support are all arranged on described base, it is characterised in that:Described reactor body includes top Biological rotating disk and bottom Anammox unit, described biological rotating disk include tank, rotating disk disc, rotary middle spindle and Aerator, for described tank on the top plate of described Anammox unit, described tank is located at described rotating disk The underface of disc;The rotary middle spindle of described rotating disk disc is arranged on described support, and the outer rim of rotor disc Surrounding is provided with airhood;Described aerator includes aeration tube, air-diffuser, and described air-diffuser is arranged on At the gas outlet of described aeration tube;Described biological rotating disk is provided with water inlet pipe and baffle pipe, described baffle pipe and anaerobism Ammonia oxidation unit bottom connects;
Described Anammox unit inner chamber is divided into the first reaction zone, second reaction zone and the 3rd reaction zone, described It is provided with the first deflection plate between first reaction zone and second reaction zone, the first described deflection plate lower end and reactor body Bottom connects, and the upper end of the first deflection plate at the top of Anammox unit with leaving space;Described second reaction zone and particle The second deflection plate is provided between sludge area, the upper end of the second deflection plate at the top of Anammox unit with being connected, the second baffling Space is left in the lower end of plate with reactor body bottom, and gap sets retention plate;The 3rd described reaction zone from top to bottom according to Secondary to be divided into granule sludge area, settling zone and exhalant region, described granule sludge area bottom is provided with the mud discharging mouth with valve;Described Exhalant region top is provided with downflow weir, and the outside of described downflow weir is furnished with effluent trough, and the bottom of described effluent trough is set out Water pipe.
A kind of 2. integrated autotrophic type denitrification reactor as claimed in claim 1, it is characterised in that:Described biological rotating disk For twin shaft stage type, the corresponding rotary middle spindle of each biological rotating disk, parallel rack-mount of two rotary middle spindles Portion, and have interstage diaphragm between biological rotating disk.
A kind of 3. integrated autotrophic type denitrification reactor as claimed in claim 1, it is characterised in that:Described anaerobism ammonia oxygen Change and be provided with blast pipe at the top of unit;Described blast pipe passes through the interstage diaphragm of biological rotating disk;Described exhaust outlet and exhaust Pipe is connected and is higher than tank at the top of exhaust outlet.
A kind of 4. integrated autotrophic type denitrification reactor as claimed in claim 3, it is characterised in that:Described reactor sheet Body is rectangle, wherein, the Anammox unit inner chamber of described reactor body is divided successively from right to left along its length For the first reaction zone, second reaction zone and the 3rd reaction zone;The height of described reactor body:It is long:A width of 6~7:3~4:1~ 2, the volume ratio of described biological rotating disk and Anammox unit is 1:3~4.
A kind of 5. integrated autotrophic type denitrification reactor as claimed in claim 1, it is characterised in that:The first described baffling Plate, the width of the second deflection plate are respectively 0.4~0.7 with the ratio between the width of reactor body:1;Described the first deflection plate, The length of two deflection plates is respectively 0.5~0.8 with the length ratio of reactor body:1.
A kind of 6. integrated autotrophic type denitrification reactor as claimed in claim 5, it is characterised in that:The first described reaction The ratio between area, second reaction zone and granule sludge area volume are 1:0.8~1:1~1.3.
A kind of 7. integrated autotrophic type denitrification reactor as claimed in claim 6, it is characterised in that:The first described reaction zone With in second reaction zone set polyurethane sponge carrier, and described polyurethane sponge carrier be length of side 2cm pros Body;The packing volume added in first reaction zone and second reaction zone respectively accounts for the 25%~45% of its volume.
A kind of 8. integrated autotrophic type denitrification reactor as claimed in claim 1, it is characterised in that:Described granule sludge area Internal anaerobic ammonium oxidation granular sludge.
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CN106186321B (en) * 2016-08-21 2019-01-22 北京工业大学 A kind of integrated energy-saving nitrogen rejection facility and method
CN106277684B (en) * 2016-09-09 2023-05-26 九江学院 Immobilized sulfur oxidizing bacteria biological rotating disc reaction device and application
CN107287249B (en) * 2017-06-25 2021-04-23 中国环境科学研究院 Process and system for reinforcing organic waste recycling based on anaerobic ammonia oxidation coupling
CN111908609B (en) * 2020-07-09 2021-12-10 北京工业大学 Anaerobic denitrification device is reinforceed to short distance nitration coupling reduction state humus

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KR100483421B1 (en) * 2002-12-06 2005-04-14 안대희 Wastewater treatment method using radial rotating biological contactors
CN100443420C (en) * 2006-08-30 2008-12-17 大连理工大学 Nonwoven fabric rotating bio-disc reactor concurrently nitrifying anaerobic ammonia oxidation process
US7736508B2 (en) * 2006-09-18 2010-06-15 Christopher A. Limcaco System and method for biological wastewater treatment and for using the byproduct thereof
CN203007015U (en) * 2013-01-18 2013-06-19 重庆大学 Biological rotating disc reactor capable of achieving single-stage autotrophic nitrogen removal process
CN203530011U (en) * 2013-09-13 2014-04-09 杭州师范大学 Integrated baffling-type autotrophic biological nitrogen removal reactor
CN204224387U (en) * 2014-10-23 2015-03-25 中环(重庆)水务资产运营有限公司 Integrated high concentration ammonia-nitrogen sewage blodisc treatment unit
CN205500916U (en) * 2015-12-16 2016-08-24 杭州师范大学 Integration autotrophy type denitrification reactor

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Effective date of registration: 20211112

Address after: 310023 room 104, No. 3, Yixuan Road, Xixi art collection Village, Wuchang Street, Yuhang District, Hangzhou City, Zhejiang Province

Patentee after: Zhejiang Guoquan ecological environment Co., Ltd

Address before: 310036 No. 16, Xuelin street, Xiasha Higher Education Park, Hangzhou, Zhejiang

Patentee before: Hangzhou Normal University