CN110467264A - A kind of reinforcing air lift denitrogenation circulating sewage processing equipment - Google Patents

A kind of reinforcing air lift denitrogenation circulating sewage processing equipment Download PDF

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Publication number
CN110467264A
CN110467264A CN201910821411.XA CN201910821411A CN110467264A CN 110467264 A CN110467264 A CN 110467264A CN 201910821411 A CN201910821411 A CN 201910821411A CN 110467264 A CN110467264 A CN 110467264A
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room
postposition
anoxic
anaerobic
aerobic
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CN110467264B (en
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李广宏
李辰
周凯
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Anhui Shunyu Water Affairs Co Ltd
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Anhui Shunyu Water Affairs Co Ltd
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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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/06Nutrients for stimulating the growth of microorganisms

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The present invention discloses a kind of reinforcing air lift denitrogenation circulating sewage processing equipment, belong to gas stripping type circulating sewage processing equipment field, including water inlet line, anaerobic room, anoxic room, aerobic room, postposition anaerobic room, postposition anoxic room, postposition aerobic room, air lift circulation reflux device, aerator and inclined tube mud discharging device, it is characterised in that: further include agricultural wastes filler device and micro-filtration.The present invention is able to solve agricultural wastes slow release carbon source, it is difficult to the problem of being mutually matched with the carbon source that denitrogenation in sewage treatment needs, realize the optimization coupling matching of sewage disposal device Yu agricultural wastes slow release carbon source, no applied cyclic pump, operating cost is low, maintenance cost is few, takes up little area, and is suitble to be widely applied in sewage treatment.

Description

A kind of reinforcing air lift denitrogenation circulating sewage processing equipment
Technical field
The present invention relates to gas stripping type circulating sewage processing equipment fields, particularly belong to a kind of reinforcing air lift denitrogenation circulating sewage Processing equipment.
Background technique
Gas stripping type circulating sewage processing equipment is reacted in the integrated sewage water biological treatment of multistage anaerobic-anaerobic-aerobic In device, dirty water and air enters stripping tube from aerobic zone bottom, and the mixing wastewater with air liquid being elevated carries out strong agitation and contacts, and on It is raised to top, anoxic zone is flowed back by return pipe, forms fluid circulation, various mass transfer transports is realized, completes the drop of organic matter Solution.Gas stripping type circulating sewage processing equipment has the advantages that no applied cyclic pump, operating cost is low, maintenance cost is few, takes up little area, It can be applied to sewage treatment field.
The treatment mechanism of gas stripping type circulating sewage processing equipment is the physical absorption for utilizing microorganism, biochemical degradation pollutant Effect, realizes the efficient process of sewage.Common gas stripping type circulating sewage processing equipment mainly leads to the processing of itrogenous organic substance Cross ammoxidation, nitrification and denitrification acts on, biomembrane realizes the absorption degradation effect of pollutant matrix.Wherein micro- life The effect of object is removal itrogenous organic substance.In aerobic environment, ammonia oxidizing bacteria converts ammonia for organic nitrogen by ammoniation Nitrogen, nitrite bacteria and nitrobacteria are by nitrification by ammonia nitrogen step-by-step oxidation at nitrate nitrogen.In anaerobic environment, denitrification Bacterium is using nitrate nitrogen as electron acceptor, and organic carbon source is as electron donor, gradually by nitrate-nitrogen reduction at nitrogen, to realize The removal of nitrogen-containing pollutant.And air lift recycles using aeration air hose and proposes gas circulation air hose parallel connection, tolerance is by blower equipment It provides, on the one hand meets the dissolved oxygen requirement of microorganism nitrification and decomposing organic matter in aerobic reactor zone in this way, on the other hand, By air lift circulation pipe by sewage backflow to anoxic zone, and denitrification is completed in anoxic zone, thus reach final denitrogenation, this process Equipment needed for reducing conventionally employed pump circulation reflux while the denitrification effect that ensure that equipment.
However, the problem that the domestic generally existing carbon source of sewage disposal device is insufficient, carbon-nitrogen ratio is lower, this will result directly in dirt The problem that nitrogen height nitrification, effluent nitrate-nitrogen are excessively high caused by carbon deficiency is presented in water treatment facilities water outlet.Especially In common gas stripping type circulating sewage processing equipment, using carbon source part wretched insufficiency in the water after air lift circular treatment. Meanwhile in common gas stripping type circulating sewage processing equipment, the aerobic zone phegma for carrying high concentration dissolved oxygen will destroy anoxic The anaerobic environment in area, to further influence the Nitrogen removal effect of anoxic zone.In order to solve these problems, general in actual motion Logical gas stripping type circulating sewage processing equipment is typically employed in anoxic zone and adds carbon source (such as methanol, ethyl alcohol, sour sodium, glucose Deng), promote denitrification denitrogenation and reduces the dissolved oxygen concentration of anoxic zone.What although the mode energy lifting sewage of additional carbon was handled Denitrification effect, but the cost of sewage treatment is also greatly improved simultaneously.Therefore, finding cheap, the stable carbon source of one kind becomes Common gas stripping type circulating sewage processing equipment urgent problem, it is also to be ensured that the cheap device for stablizing carbon source of release it is whole with Sewage disposal device can be mutually matched operation.
China is large agricultural country, and the annual harvest season can all generate a large amount of agricultural wastes, such as crop material, wood Bits, corn ear etc..Current agricultural waste material yield is huge, and excessive agricultural wastes straw, which is hoarded, becomes one sternly High problem.Consider from comprehensive utilization angle, if handling these agricultural wastes again using unreasonable mode is provided to preciousness The waste in source.Since agricultural wastes contain carbon organic matter, predominantly cellulose, hemicellulose and lignin etc., hydrolyzed Cheng Zhongneng stablizes release carbonaceous organic material and is further hydrolyzed to small molecule carbon, if using the small molecule carbon after these hydrolysis, To supply the carbon source needs in common gas stripping type circulating sewage processing equipment.Carbon source cost can not only be reduced, additionally it is possible to real The comprehensive utilization of existing agricultural exhaust object.But use agricultural wastes as the sustained release carbon in gas stripping type circulating sewage processing equipment Source has the following problems: 1, the carbon source slow release effect of agricultural wastes material be difficult to, in gas stripping type circulating sewage processing equipment Carbon source demand needed for denitrogenation matches;2, gas stripping type circulating sewage processing equipment and agricultural wastes carbon source material be not reasonable Design device, cannot ensure that Coupling Design complements one another between each combination unit, agricultural wastes carbon source material is specifically installed It is placed on the position in gas stripping type circulating sewage processing equipment, it is indefinite.For this purpose, the present invention is in view of the above-mentioned problems, we study A kind of reinforcing air lift denitrogenation circulating sewage processing equipment is developed, carbon can be provided for the denitrification of such sewage disposal device Source, and the problem of can solve anoxic zone high-solubility oxygen, realize the purpose of enhanced sewage processing equipment denitrification effect.
Summary of the invention
The present invention provides a kind of reinforcing air lift denitrogenation circulating sewage processing equipment, by water inlet line, anaerobic room, anoxic Room, aerobic room, postposition anaerobic room, postposition anoxic room, postposition aerobic room, air lift circulation reflux device, aerator, inclined tube spoil disposal The whole R & D design of device, agricultural wastes filler device and micro-filtration solves asking of mentioning in above-mentioned background technique Topic, realizes the purpose of strengthened denitrification effect.Meanwhile the present invention has both no applied cyclic pump, operating cost is low, maintenance cost It is few, the advantages of taking up little area.
The technical solution adopted by the invention is as follows:
A kind of reinforcing air lift denitrogenation circulating sewage processing equipment, including water inlet line, anaerobic room, anoxic room, aerobic room, after Set anaerobic room, postposition anoxic room, postposition aerobic room, air lift circulation reflux device, aerator and inclined tube mud discharging device, feature It is: further includes agricultural wastes filler device and micro-filtration, the water inlet line is located at the top of anaerobic room, and anaerobic room has The lower part of left anaerobic room and right anaerobic room, left and right anaerobic room is connected by water pipeline, and the left anaerobic room in top crosses water by top Pipeline is connect with anoxic room, and the lower part of anoxic room and aerobic room is connected by bottom water pipeline, and water is crossed by top by aerobic room Pipeline is connect with postposition anaerobic room, and postposition anaerobic room is connect with the lower part of postposition anoxic room by bottom water pipeline, and postposition lacks Oxygen room is connect with postposition aerobic room by top water collection pipe road, there is outlet conduit, a part of inclined tube row in the middle part of postposition aerobic room Mud device is located at the lower section of postposition anoxic room and postposition aerobic room, and another part inclined tube mud discharging device is located under micro-filtration Side, the side lower of micro-filtration installation region are equipped with mud discharging pipeline, and the agricultural wastes filler device is mounted on Anaerobic room, anoxic room, postposition anaerobic room and postposition anoxic chamber interior, the air lift circulation reflux device have stripping reflux device and Main ventilation pipeline is recycled, stripping reflux device is mounted on the handover region of micro-filtration installation region Yu the left anaerobic room in top, follows Ring main ventilation pipeline is mounted on anaerobic room, anoxic room, aerobic room and postposition anaerobic room, postposition anoxic room, among postposition aerobic room Region, circulation main ventilation pipeline one end connect with air blower, and the other end closing of circulation main ventilation pipeline recycles main logical Air piping is connect with stripping reflux device aerator by ventilation pipe, the aerator be mounted on anoxic room, aerobic room, The bottom of postposition anoxic room and postposition aerobic room.
Preferably, the aerator has longitudinally connected tracheae and aeration round coil, and aeration round coil has one to lead to Tracheae is coiled to form, and being aerated above round coil has small through hole, is aerated one end sealing of round coil, is aerated the another of round coil One end is connect with the bottom end of longitudinally connected tracheae, and the top initial end of longitudinally connected tracheae is led by ventilation pipe and circulation Ventilation shaft connection.
Preferably, the agricultural wastes filler device has the grid grid composite plate and agriculture waste of mutually pressure card connection Object, grid grid composite plate have wire to be installed in corrosion-resistant PVC set or PUC set to be made, and grid grid composite plate, which has, to be greater than The grid waffle slab of equal to two layers grid waffle slab, mutually pressure card are connected as one, and agricultural wastes have corncob, corn stalk One or more of stalk, rice straw and sawdust are smashed by cutting and are mixed, the particle size range of the agricultural wastes For 3mm~8mm, the surface mesh aperture of grid grid composite plate is 0.5mm, whole close of the agricultural wastes filler device Degree is greater than the density of water, and agricultural wastes filler device can be submerged in water.
Preferably, the stripping reflux device has gas blow pipe, vertical stripping tube, sink and return pipe, the lower end of gas blow pipe It being connect with the bottom of vertical stripping tube, the upper end of gas blow pipe is connect by ventilation pipe with circulation main ventilation pipeline intermediate lateral, The bottom end of vertical stripping tube is that through-hole is connect with water, and the upper end of vertical stripping tube and the bottom of sink connect, one end of return pipe It is connect with the side of sink, the other end of return pipe can be connect with anoxic room or postposition anoxic room.
Preferably, the micro-filtration is mounted on inside postposition aerobic room and water outlet sludge discharging area, and part micro-filtration is located at The top of inclined tube mud discharging device in postposition aerobic room, micro-filtration are integrally in ramped shaped, and there is sludge in the tail portion side of micro-filtration Discharge tube, the micro-filtration have the inclined plate with micro-filtration hole and oxidation sterilizing device.
Preferably, the upper outside of the water outlet sludge discharging area has outlet conduit, and being discharged in the middle part of sludge discharging area has part micro-filtration Device, the lower outside for being discharged sludge discharging area have mud discharging pipeline.
Preferably, spoil disposal slope is arranged at inclined tube mud discharging device bottom, and the end of spoil disposal slope is located at mud discharging Near Pipelines.
Compared with the prior art, beneficial effects of the present invention are as follows:
By to water inlet line, anaerobic room, anoxic room, aerobic room, postposition anaerobic room, postposition anoxic room, postposition aerobic room, The whole research and development of air lift circulation reflux device, aerator, inclined tube mud discharging device, agricultural wastes filler device and micro-filtration Design, produces a kind of reinforcing air lift denitrogenation circulating sewage processing equipment.The present invention is able to solve using agricultural wastes conduct Slow release carbon source in gas stripping type circulating sewage processing equipment, existing following problems: 1, the carbon source sustained release of agricultural wastes material Effect be difficult to, carbon source demand needed for denitrogenation matches in gas stripping type circulating sewage processing equipment;2, gas stripping type circulating sewage Processing equipment and agricultural wastes carbon source material do not design device reasonably, cannot ensure Coupling Design between each combination unit It complements one another, agricultural wastes carbon source material specifically installs the position being placed in gas stripping type circulating sewage processing equipment, unknown Really.Solved simultaneously using methanol, ethyl alcohol, sour sodium, glucose etc. as anoxic zone add carbon source, although being able to ascend sewage The denitrification effect of processing, but the problem of cost of sewage disposal is greatly improved.
The present invention can realize sewage disposal device and agricultural wastes are sustained while ensuring strengthened denitrification effect The optimization coupling matching of carbon source, no applied cyclic pump, operating cost is low, and maintenance cost is few, takes up little area.
Detailed description of the invention
Fig. 1 is the whole left perspective schematic diagram of the present invention;
Fig. 2 is the whole right side schematic view of the present invention;
Fig. 3 is air lift circulation reflux device schematic diagram in the present invention;
Fig. 4 is agricultural wastes filler device schematic diagram in the present invention;
Fig. 5 is micro-filtration schematic diagram in the present invention;
Fig. 6 is the present invention according to daily processing 30m3The equipment of sanitary sewage production, actual motion denitrification effect detection figure;
Fig. 7 is that sanitary sewage passes through present device denitrification effect and time chart.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment belongs to the range of invention protection.
Below with reference to embodiment and specific embodiment, the present invention will be further described in detail.
Referring to attached drawing: a kind of reinforcing air lift denitrogenation circulating sewage processing equipment, including water inlet line (14), anaerobic room (2), Anoxic room (3), aerobic room (5), postposition anaerobic room (6), postposition anoxic room (11), postposition aerobic room (10), air lift circulating reflux Device (8), aerator (4) and inclined tube mud discharging device (12), it is characterised in that: further include agricultural wastes filler device (7) With micro-filtration (13), the water inlet line (14) is located at the top of anaerobic room (2), anaerobic room (2) have left anaerobic room (201) and The lower part of right anaerobic room (202), left and right anaerobic room (2) is connected by water pipeline, and the left anaerobic room in top (201) passes through top mistake Waterpipe is connect with anoxic room (3), and anoxic room (3) are connect with the lower part of aerobic room (5) by bottom water pipeline, aerobic room (5) it is connect by top water pipeline with postposition anaerobic room (6), the lower part of postposition anaerobic room (6) and postposition anoxic room (11) is logical The connection of bottom water pipeline is crossed, postposition anoxic room (11) is connect with postposition aerobic room (10) by top water collection pipe road, and postposition is good Have in the middle part of oxygen room (10) outlet conduit (901), a part of inclined tube mud discharging device (12) is located at postposition anoxic room (11) and postposition The lower section of aerobic room (10), another part inclined tube mud discharging device (12) are located at the lower section of micro-filtration (13), micro-filtration (13) The side lower of installation region is equipped with mud discharging pipeline (902), and the agricultural wastes filler device (7) is mounted on anaerobism Room (2), anoxic room (3), postposition anaerobic room (6) and postposition anoxic room (10) are internal, and the air lift circulation reflux device (8) has gas Reflux unit (803) and circulation main ventilation pipeline (802) are mentioned, stripping reflux device (903) is mounted on micro-filtration (13) installation The handover region in region and the left anaerobic room in top (201), circulation main ventilation pipeline (802) are mounted on anaerobic room (2), anoxic room (3), aerobic room (5) region intermediate with postposition anaerobic room (6), postposition anoxic room (11), postposition aerobic room (10), the circulation Main ventilation pipeline (802) one end is connect with air blower (801), and the other end closing of circulation main ventilation pipeline (802) recycles main logical Air piping (802) is connect with stripping reflux device (8) aerator (4) by ventilation pipe, and the aerator (4) is mounted on Anoxic room (3), aerobic room (5), postposition anoxic room (11) and postposition aerobic room (10) bottom.
Preferably, the aerator (4) has longitudinally connected tracheae (402) and aeration round coil (401), and aeration is round Coil pipe has (401) snorkels to be coiled to form, and aeration round coil (401) has small through hole above, is aerated round coil (401) One end sealing, aeration round coil (401) the other end connect with the bottom end of longitudinally connected tracheae (402), Zong Xianglian The top initial end of trachea (402) is connect by ventilation pipe with circulation main ventilation pipeline (802).
Preferably, the agricultural wastes filler device (7) have mutually pressure card connection grid grid composite plate (701) and Agricultural wastes (702), grid grid composite plate (701) have wire to be installed in corrosion-resistant PVC set or PUC set to be made, lattice Aperture plate lattice composite plate (701) has the grid waffle slab of more than or equal to two layers grid waffle slab, and mutually pressure card is connected as one, agricultural Waste (702) has one or more of corncob, corn stover, rice straw and sawdust to smash mixing by cutting At the particle size range of the agricultural wastes (702) is 3mm~8mm, the surface mesh aperture of grid grid composite plate (701) For 0.5mm, the density of agricultural wastes filler device (7) entirety is greater than the density of water, agricultural wastes filler device (7) It can be submerged in water.
Preferably, the stripping reflux device (803) has gas blow pipe (8031), vertical stripping tube (8033), sink (8032) it is connect with return pipe (8034), the lower end of gas blow pipe (8031) with the bottom of vertical stripping tube (8033), gas blow pipe (9031) upper end is connect by ventilation pipe with circulation main ventilation pipeline (802) intermediate lateral, vertical stripping tube (8033) Bottom end is that through-hole is connect with water, and the upper end of vertical stripping tube (8033) is connect with the bottom of sink (8032), return pipe (8034) One end connect with the side of sink (8032), the other end of return pipe (8034) can be with anoxic room (3) or postposition anoxic room (11) it connects.
Preferably, the micro-filtration (13) is mounted on postposition aerobic room (10) and water outlet sludge discharging area (9) is internal, and part is micro- Filter device (13) is located at the top of the interior inclined tube mud discharging device (12) of postposition aerobic room (10), and micro-filtration (13) is integrally in slope Shape, the tail portion side of micro-filtration (13) have mud discharging pipeline (902), and the micro-filtration (13) has the inclined plate with micro-filtration hole (1301) and oxidation sterilizing device (1302).
Preferably, the upper outside of water outlet sludge discharging area (9) has outlet conduit (901), is discharged the middle part of sludge discharging area (9) Have part micro-filtration (13), the lower outside of water outlet sludge discharging area (9) there are mud discharging pipeline (902).
Preferably, inclined tube mud discharging device (12) bottom has spoil disposal slope (1201), spoil disposal slope (1021) End is located near mud discharging pipe (902) road.
When installation: left and right anaerobic room (2) is located on the left of equipment room (1) side by side, and right anaerobic room (202) is located at left anaerobic room (201) rear side, right anaerobic room (202) top have water inlet line (14), and the lower part of left and right anaerobic room (2) passes through water pipeline and connects It connects, anoxic room (3) are located on the left of left anaerobic room (201), and aerobic room (5) is located on the left of anoxic room (3), postposition anaerobic room (6) position On the left of aerobic room (5), postposition anoxic room (11) is located on rear side of postposition anaerobic room (6), and postposition aerobic room (10) lacks positioned at postposition On the right side of oxygen room (11), water outlet sludge discharging area (9) is located at region between postposition aerobic room (10) and right anaerobic room (202), it is ensured that detests on a left side Oxygen room (201) is connect by top water pipeline with anoxic room (3), and the lower part of anoxic room (3) and aerobic room (5) passes through bottom mistake Waterpipe connection, aerobic room (5) are connect by top water pipeline with postposition anaerobic room (6), and postposition anaerobic room (6) and postposition lack The lower part of oxygen room (11) is connected by bottom water pipeline, and water is crossed by top with postposition aerobic room (10) in postposition anoxic room (11) Pipeline connects, and has outlet conduit (901) in the middle part of postposition aerobic room (10), and the upper outside of water outlet sludge discharging area (9) has outlet pipe The lower outside in road (901), water outlet sludge discharging area (9) has mud discharging pipeline (902);Control cabinet (101) and air blower (801) peace Mounted in equipment room, air blower (801) is connect with control cabinet (101) by harness, and circulation main ventilation pipeline (802) is mounted on anaerobism Room (2), anoxic room (3), aerobic room (5) and postposition anaerobic room (6), postposition anoxic room (11), postposition aerobic room (10) are intermediate Region, circulation main ventilation pipeline (802) one end are connect with air blower (801);Round coil (401) are aerated in aerator (4) It is mounted on the bottom of anoxic room (3), aerobic room (5), postposition anoxic room (11) and postposition aerobic room (10), is aerated round coil (401) the other end is connect with the bottom end of longitudinally connected tracheae (402), the top initial end of longitudinally connected tracheae (402) It is connect by ventilation pipe with circulation main ventilation pipeline (802);Vertical stripping tube (8033) installation in stripping reflux device (803) In postposition aerobic room (10), the lower end of gas blow pipe (8031) is connect with the bottom of vertical stripping tube (8033), gas blow pipe (8031) upper end is connect by ventilation pipe with circulation main ventilation pipeline (802) intermediate lateral, vertical stripping tube (8033) Upper end is connect with the bottom of sink (8032), and one end of return pipe (8034) is connect with the side of sink (8032), return pipe (8034) the other end can be connect with anoxic room (3) or postposition anoxic room (11);With the oblique of micro-filtration hole in micro-filtration (13) Plate (1301) is integrally in ramped shaped, is mounted on postposition aerobic room (10) and water outlet sludge discharging area (9) is internal, oxygen in micro-filtration (13) Change chlorination equipment (1302) to be mounted below the inclined plate (1301) with micro-filtration hole;After a part of inclined tube mud discharging device (12) is mounted on The lower section of anoxic room (11) and postposition aerobic room (10) is set, another part inclined tube mud discharging device (12) is mounted on micro-filtration (13) Lower section, spoil disposal slope (1201) end of inclined tube mud discharging device (12) bottom is located near mud discharging pipeline (902);Agriculture Industry waste filler device (7) is separately mounted to anaerobic room (2), anoxic room (3), postposition anaerobic room (6) and postposition anoxic room (11) internal.
When use: treatment sewage is by water inlet line (14) at the top of right anaerobic room (202), into right anaerobic room (202) Inside, while treatment sewage enters left anaerobic room (201) by lower part water pipeline, treatment sewage is in left and right anaerobic room (2) in, under acting on using agricultural wastes filler device (7) as slow release carbon source, preliminary denitrogenation processing is carried out to treatment sewage; Treatment sewage is entered anoxic room (3) by left anaerobic room (201) by top water pipeline, the aerator in anoxic room (3) (4) work increases anoxic room (3) interior treatment sewage oxygen content, and cooperation agricultural wastes filler device (7) is used as slow release carbon source, Facultative microbe is promoted to reprocess treatment sewage;Subsequent treatment sewage by anoxic room (3) by lower part water pipeline into Enter aerobic room (5), treatment sewage increases treatment sewage oxygen content by aerator (4) in aerobic room (5), promotes The internal aerobic microbiological in oxygen pond (5) handles treatment sewage;Treatment sewage crosses water pipe by top by aerobic room (5) Road enters postposition anaerobic room (6), and treatment sewage is in postposition anaerobic room (6), again with agricultural wastes filler device (7) work To carry out denitrogenation processing again to treatment sewage under slow release carbon source effect;After postposition anaerobic room (6) again denitrogenation processing Sewage is entered in postposition anoxic room (11) by top water pipeline, into the sewage in postposition anoxic room (11) in inclined tube spoil disposal Under device (12) effect, solid sludges are slipped to water outlet sludge discharging area (9) by spoil disposal slope (1201), by being discharged sludge discharging area (9) lower part mud discharging pipeline (902) is discharged, while entering postposition anoxic room (11) by the water body of inclined tube mud discharging device (12) Top, on postposition anoxic room (11) top by aerator (4) and using agricultural wastes filler device (7) as slow release carbon source Under effect, postposition anoxic room (11) top water body is handled again;In postposition anoxic room (11), treated, and water body passes through Top water pipeline enters in postposition aerobic room (10), after water body is handled in postposition aerobic room (10), passes through postposition aerobic room (10) middle part outlet conduit (901) discharge storage uses;Simultaneously by postposition anoxic room (11) bottom with spoil disposal slope (1201) sludge enters the water body of postposition aerobic room (10) on, is aoxidized by oxidation sterilizing device (1302) in micro-filtration (13) After disinfection, enter postposition aerobic room (10) after through inclined plate (1301) filtering with micro-filtration hole, at postposition aerobic room (10) After reason, used by middle part outlet conduit (901) the discharge storage of postposition aerobic room (10);Postposition aerobic room (10) interior bottom simultaneously Portion's water mixing object enters sink (8032) under gas blow pipe (8031) air blowing effect, through vertical stripping tube (8033), then by Sink (8032) enters anoxic room (3) by return pipe (8034) or postposition anoxic room (11) is handled again;Postposition aerobic room (10) on bottom spoil disposal slope (1201) sludge together with water body enter water outlet sludge discharging area (9), sludge by water outlet sludge discharging area (9) Lower part mud discharging pipeline (902) discharge, the water body being discharged in sludge discharging area (9) enter by the inclined plate (1301) with micro-filtration hole Water sludge discharging area (9) top is used by water outlet sludge discharging area (9) outlet conduit (901) discharge storage.
Agricultural wastes filler device (7) when needing replacing agricultural wastes (702), integrally takes using after a certain period of time Agricultural wastes filler device (7) out separate the grid grid composite plate (701) of mutually pressure card connection, grid grid composite plate (701) agricultural wastes (702) after internal use are dealt carefully with, and are placed into not used agricultural wastes (702), are mutually pressed Card connection grid grid composite plate (701), is made agricultural wastes filler device (7), again by agricultural wastes filler device (7) It is secondary to be mounted on anaerobic room (2), anoxic room (3), the internal use of postposition anaerobic room (6) and postposition anoxic room (11).
The present invention is able to solve using agricultural wastes as the slow release carbon source in gas stripping type circulating sewage processing equipment, is deposited Following problems: 1, the carbon source slow release effect of agricultural wastes material be difficult to, in gas stripping type circulating sewage processing equipment take off Carbon source demand needed for nitrogen matches;2, gas stripping type circulating sewage processing equipment and agricultural wastes carbon source material be not reasonable Device is designed, cannot ensure that Coupling Design complements one another between each combination unit, agricultural wastes carbon source material, which is specifically installed, to be put The position in gas stripping type circulating sewage processing equipment is set, it is indefinite.It is solved simultaneously using methanol, ethyl alcohol, sour sodium, grape Sugar etc. adds carbon source as anoxic zone, although being able to ascend the denitrification effect of sewage treatment, is greatly improved at sewage The problem of managing cost.
The present invention can realize sewage disposal device and agricultural wastes are sustained while ensuring strengthened denitrification effect The optimization coupling matching of carbon source, no applied cyclic pump, operating cost is low, and maintenance cost is few, takes up little area.It is suitble in sewage treatment It is widely applied.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention Protection scope.

Claims (7)

1. a kind of reinforcing air lift denitrogenation circulating sewage processing equipment, including water inlet line, anaerobic room, anoxic room, aerobic room, postposition Anaerobic room, postposition anoxic room, postposition aerobic room, air lift circulation reflux device, aerator and inclined tube mud discharging device, feature exist In: it further include agricultural wastes filler device and micro-filtration, the water inlet line is located at the top of anaerobic room, and anaerobic room has a left side The lower part of anaerobic room and right anaerobic room, left and right anaerobic room is connected by water pipeline, and the left anaerobic room in top crosses water pipe by top Road is connect with anoxic room, and the lower part of anoxic room and aerobic room is connected by bottom water pipeline, and water pipe is crossed by top by aerobic room Road is connect with postposition anaerobic room, and postposition anaerobic room is connect with the lower part of postposition anoxic room by bottom water pipeline, postposition anoxic Room is connect with postposition aerobic room by top water collection pipe road, there is outlet conduit, a part of inclined tube spoil disposal in the middle part of postposition aerobic room Device is located at the lower section of postposition anoxic room and postposition aerobic room, and another part inclined tube mud discharging device is located at the lower section of micro-filtration, The side lower of micro-filtration installation region is equipped with mud discharging pipeline, and the agricultural wastes filler device is mounted on anaerobism Room, anoxic room, postposition anaerobic room and postposition anoxic chamber interior, the air lift circulation reflux device have stripping reflux device and circulation Main ventilation pipeline, stripping reflux device are mounted on the handover region of micro-filtration installation region Yu the left anaerobic room in top, circulation master Ventilation shaft is mounted on anaerobic room, anoxic room, aerobic room and postposition anaerobic room, postposition anoxic room, the area among postposition aerobic room Domain, circulation main ventilation pipeline one end are connect with air blower, and the other end closing of circulation main ventilation pipeline recycles main ventilation pipe Road is connect with stripping reflux device aerator by ventilation pipe, and the aerator is mounted on anoxic room, aerobic room, postposition The bottom of anoxic room and postposition aerobic room.
2. a kind of reinforcing air lift denitrogenation circulating sewage processing equipment according to claim 1, it is characterised in that the aeration Device has longitudinally connected tracheae and aeration round coil, and aeration round coil has a snorkel to be coiled to form, is aerated circular discs Pipe has small through hole above, is aerated one end sealing of round coil, is aerated the other end of round coil and the bottom of longitudinally connected tracheae The top initial end of the connection of portion end, longitudinally connected tracheae is connect by ventilation pipe with circulation main ventilation pipeline.
3. a kind of reinforcing air lift denitrogenation circulating sewage processing equipment according to claim 1, it is characterised in that the agricultural Waste filler device has the grid grid composite plate and agricultural wastes, grid grid composite plate of mutually pressure card connection to have metal Silk is installed in corrosion-resistant PVC set or PUC set and is made, and grid grid composite plate has the grid of more than or equal to two layers grid waffle slab Waffle slab, mutually pressure card are connected as one, and agricultural wastes have one of corncob, corn stover, rice straw and sawdust Or several smashed by cutting mixes, the particle size range of the agricultural wastes is 3mm~8mm, grid grid composite plate Surface mesh aperture be 0.5mm, the density of the density of agricultural wastes filler device entirety greater than water, agricultural wastes Filler device can be submerged in water.
4. a kind of reinforcing air lift denitrogenation circulating sewage processing equipment according to claim 1, it is characterised in that the air lift Reflux unit has gas blow pipe, vertical stripping tube, sink and return pipe, and the lower end of gas blow pipe is connect with the bottom of vertical stripping tube, The upper end of gas blow pipe connect by ventilation pipe with circulation main ventilation pipeline intermediate lateral, the bottom end of vertical stripping tube for through-hole and Water connection, the upper end of vertical stripping tube and the bottom of sink connect, and one end of return pipe and the side of sink connect, return pipe The other end can be connect with anoxic room or postposition anoxic room.
5. a kind of reinforcing air lift denitrogenation circulating sewage processing equipment according to any one of claims 1 to 4, it is characterised in that institute It states micro-filtration to be mounted on inside postposition aerobic room and water outlet sludge discharging area, part micro-filtration is located at inclined tube in postposition aerobic room and arranges The top of mud device, micro-filtration are integrally in ramped shaped, and there are mud discharging pipeline, the micro-filtration dress in the tail portion side of micro-filtration It is equipped with the inclined plate with micro-filtration hole and oxidation sterilizing device.
6. a kind of reinforcing air lift denitrogenation circulating sewage processing equipment according to claim 5, it is characterised in that the water outlet The upper outside of sludge discharging area has outlet conduit, and being discharged in the middle part of sludge discharging area has part micro-filtration, is discharged outside the lower part of sludge discharging area There is mud discharging pipeline in side.
7. a kind of reinforcing air lift denitrogenation circulating sewage processing equipment according to claim 1, it is characterised in that the inclined tube Spoil disposal slope is arranged at mud discharging device bottom, and the end of spoil disposal slope is located at mud discharging Near Pipelines.
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