CN103241834B - Pulse internal circulation anaerobic reactor - Google Patents

Pulse internal circulation anaerobic reactor Download PDF

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Publication number
CN103241834B
CN103241834B CN201310200005.4A CN201310200005A CN103241834B CN 103241834 B CN103241834 B CN 103241834B CN 201310200005 A CN201310200005 A CN 201310200005A CN 103241834 B CN103241834 B CN 103241834B
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anaerobic reactor
circulation anaerobic
pulse
internal
siphon
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CN103241834A (en
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翟计红
薛林海
马敏杰
吴国华
石玉川
魏举旺
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China Railway Design Corp
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Third Railway Survey and Design Institute Group Corp
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Abstract

The invention discloses a pulse internal circulation anaerobic reactor. The pulse internal circulation anaerobic reactor comprises a pulse water distributor and an internal circulation anaerobic reactor, wherein the pulse water distributor and the internal circulation anaerobic reactor are communicated by virtue of a siphon down pipe; two cylindrical separating plates are coaxially arranged in the internal circulation anaerobic reactor, a biological mixed bed is arranged in a cylinder defined by an inner separating plate, the biological mixed bed is filled with suspended filler, and a solid-liquid separator is arranged at the upper of a circular space between a middle separating plate and a shell; and sewage uniformly flows into a sewage storage tank by virtue of a water inlet pipe of the pulse water distributor and enters the internal circulation anaerobic reactor by virtue of the siphon down pipe under the action of siphon phenomenon, and pollutants in the sewage are removed under the action of adsorption and decomposition of bacteria in the biological mixed bed. The pulse internal circulation anaerobic reactor has the obvious characteristics of energy conservation and environmental protection and is applicable to anaerobic biochemical treatment on domestic sewage and production sewage, pre-treatment of a natural treatment process and treatment on high-concentration organic waste water.

Description

Pulse internal-circulation anaerobic reactor
Technical field
The present invention relates to waste disposal plant, particularly relate to anaerobic biological waste disposal plant.
Background technology
Anerobic sowage treatment technology has that energy consumption is low, management is simple, the feature of mud good stability, is widely used in drainage point disperses, sewage quantity is little life and production waste process field.For obtaining higher organic removal rate, generally must keep having a large amount of microorganisms and long as far as possible sludge age in waste disposal plant reactor, secondly in water inlet, organism is also that anaerobic technique is successfully crucial with fully the contacting of anaerobion in system.
Anaerobic filter, the reactor such as anaerobic fluidized bed have the advantages that solid retention time and hydraulic detention time separate, conventionally adopt the technical measures of external reflux to reduce influent concentration, raising is by the flow velocity of filter material surface, accelerate the aging biomembranous rate of metabolism of carrier surface, keep biological activity.Because quantity of reflux is large, energy consumption is higher, in the less Railways Stations section of sewage quantity, substantially all cancels external reflux measure, and sewage directly enters anaerobic treatment structures, by extending hydraulic detention time, realizes the raising of contaminant removal efficiency.
But, the middle-size and small-size anaerobic biological waste disposal plant of existing cancellation external reflux measure, long-time running brings comparatively serious filter clogging problem, in water inlet, dissolved organic matter is restricted with contacting of anaerobion, often there is black and be with frowziness, affect the operation of wastewater treatment efficiency and follow-up sewage treatment facility in water outlet.
Summary of the invention
The problem existing for the middle-size and small-size waste disposal plant of the anaerobic biological technique of prior art, the present invention releases the internal-circulation anaerobic reactor that utilizes pulse water-feeding mode, by periodicity, improve the flow velocity of anaerobic reactor water inlet, utilize the upwelling surging force of water inlet, form current internal recycle, make biological mixed bed internal surface be covered with biomembranous floating stuffing and produce fluidisation, scouring, contacting between enhanced biological film and sewage, improves wastewater treatment efficiency.
Pulse internal-circulation anaerobic reactor of the present invention comprises pulse water distributing device and internal-circulation anaerobic reactor, and pulse water distributing device and internal-circulation anaerobic reactor are communicated with by siphon downtake.Sewage in pulse water distributing device sewage storage tank enters internal-circulation anaerobic reactor by siphon downtake, and the low-water level of the sewage storage tank of pulse water distributing device is higher than the high-water of internal-circulation anaerobic reactor.
Pulse water distributing device comprises water inlet pipe, sewage storage tank, syphon hood, siphon downtake, siphon destructing tube.Sewage storage tank is open-topped body structure, and water inlet pipe is communicated with sewage storage tank, and syphon hood is arranged in sewage storage tank, and siphon downtake is drawn from syphon hood, and siphon destructing tube is arranged on syphon hood outside.
Syphon hood is the cylindrical shell of top seal, is arranged on the bottom of sewage storage tank, and syphon hood bottom and sewage storage tank are communicated with.
Siphon downtake is vertical pipe, and top is arranged in syphon hood, and top is lower than syphon hood top.The lower end of siphon downtake is communicated with internal-circulation anaerobic reactor bottom by transverse tube.
Siphon destructing tube is the pipe that connects syphon hood and sewage storage tank, in syphon hood outside vertical, arranges.Siphon destructing tube top is communicated with syphon hood top, and lower end arranges U-bend, and winding pipe exit is higher than syphon hood bottom nozzle.
Internal-circulation anaerobic reactor top is cylinder-like structure, and bottom is inverted round stage shape structure.The shell upper of internal-circulation anaerobic reactor is cylinder shell, and outer casing underpart is funnel-form housing.The upper and lower open at both ends of shell, the transverse tube that is communicated with the siphon downtake of pulse water distributing device inserts from the lower ending opening of funnel-form housing.The cylindrical shell body side surface of shell sets out water hole, and posticum is communicated with outside by rising pipe.
Two cylindric division plates are coaxially set in internal-circulation anaerobic reactor, comprise interior division plate and middle division plate.Middle division plate is placed between shell and interior division plate, and the cylinder that division plate forms is coaxial with the cylinder shell of shell.Middle division plate upper end is concordant with shell upper end, and interior division plate upper end is lower than middle division plate upper end.The lower end of the cylinder that interior division plate and middle division plate surround is respectively placed in the funnel-form housing of shell, and the phase spacing of cylinder lower end and shell lower end is diminished.
Biological mixed bed is set in the cylinder that interior division plate surrounds, fills volume ratio and be 50% floating stuffing in biological mixed bed, floating stuffing is placed between catch net and lower catch net, and upper catch net and lower catch net are fixed on interior division plate.Floating stuffing is the macromolecule material filler that voidage is high, specific surface area large, proportion is less than 1, floating stuffing surface wrapping biological film.
Between middle division plate and shell, the top of annular space arranges solid-liquid separator.Solid-liquid separator is engaged and is formed by the del dividing plate that is 60 ° of angles.Solid-liquid separator upper surface is concordant with the upper catch net in interior division plate, the posticum arranging lower than the cylinder shell top of body skin.
The end of siphon downtake lower crosstalk tube arranges water distribution hydraucone, and water distribution hydraucone is placed in the bottom of cylinder that interior division plate surrounds.The lower catch net of the bell-mouthed hydraucone of water distribution in interior division plate.
During pulse internal-circulation anaerobic reactor application of the present invention, sewage evenly enters sewage storage tank by pulse water distributing device water inlet pipe, in sewage storage tank during water flooding syphon hood wall lower edge, in syphon hood, form enclosed space, along with sewage storage tank water level raises gradually, in syphon hood, air is progressively compressed, in syphon hood, water level synchronously raises gradually, when in sewage storage tank, water level reaches the maximum value of high-water, in syphon hood, water level is elevated to siphon downtake pipe top, sewage carries the pressurized air of assembling in syphon hood and enters fast siphon downtake, in syphon hood, vacuum tightness increases gradually, finally form siphon water outlet, water outlet enters internal-circulation anaerobic reactor by siphon downtake.Meanwhile, the water in sewage storage tank enters syphon hood through syphon hood bottom.Due to the flooding quantity of siphon downtake aquifer yield much larger than water inlet pipe, sewage storage tank water level declines rapidly, and when in sewage storage tank, water level is lower than siphon destructive infratubal port, air enters syphon hood, and vacuum is destroyed, and water outlet finishes, and enters next irrigating time.; sewage is evenly entered and in sewage storage tank, syphon hood, is formed air in enclosed space, syphon hood and again progressively compressed by water inlet pipe again; in syphon hood, water level synchronously raises gradually again; until water level while reaching the maximum value of high-water in sewage storage tank; water level is elevated to siphon downtake pipe top in syphon hood, and sewage carries the pressurized air of assembling in syphon hood and enters fast siphon downtake and form siphon water outlet and enter internal-circulation anaerobic reactor by siphon downtake.
Sewage enters internal-circulation anaerobic reactor by siphon downtake, water distribution hydraucone intermittence, enters the floating stuffing layer in biological mixed bed.Under siphon condition, utilize the high speed ascending current of instantaneous formation, there is not any oxygenation process, in water, organism fully contacts with microbial film on floating stuffing under the condition of anaerobic, inhabiting the amphimicrobe on floating stuffing surface and obligate anaerobes absorption, Decomposition is gone down except the pollutent in sewage.Comprise the aging biomembranous mixed solution that high velocity flow comes off under washing away and enter between interior division plate and middle division plate and flow downward by upper catch net with ascending current, mix in internal-circulation anaerobic reactor bottom with water inlet.In the mixed solution stream edge that sewage, mud form, between division plate and body skin, rise, at solid-liquid separator place, after mud is repeatedly stopped, compresses, sink, and return to internal-circulation anaerobic reactor bottom, realize solid-liquid separation, supernatant liquor is after treatment discharged by the posticum on top.Because posticum drainability is much smaller than flooding quantity, water level in internal-circulation anaerobic reactor rises rapidly to high-water, not open closely crosses posticum, rising pipe is discharged, before next pulse water-feeding starts by evenly emptying, water level returns to low-water level, completes whole sewage treatment process.
Waste disposal plant involved in the present invention rationally utilizes the potential energy of water inlet; complete the conversion to kinetic energy within a short period of time; accelerate organism transmittance process to microorganism cells from sewage; there is no power consumption; meet the original intention that environmental protection facility is preserved the ecological environment, at high concentration organic sewage and middle-size and small-size sewage treatment area, there is the feature of obvious energy-saving and environmental protection.
Filling floating stuffing in the biological mixed bed of waste disposal plant of the present invention, filling carrier surface is covered by microbial film, its qualitative change is light, sewage flows from bottom to top with certain flow rate, makes filling carrier in fluidized state, extensively and frequently repeatedly contacts with microbial film, improve biomembranous activity, strengthen mass transfer process, effectively prevented from stopping up, can realize higher sludge loading.Employing hydraulic mixing replaces the pneumatic blending in aerobic process, forms the anaerobe film treating processes of sewage, realizes excess sludge generation and better mud stability still less.
Apparatus of the present invention are inner without any movable part, and management is simple, characteristics of compact layout, and the suitable anaerobic biological as life, production waste is processed, the pre-treatment of natural treatment process, or the processing to high concentrated organic wastewater.
Accompanying drawing explanation
Fig. 1 is pulse internal-circulation anaerobic reactor cross-sectional view.
Description of symbols in figure:
A, pulse water distributing device B, internal-circulation anaerobic reactor
1, water inlet pipe 2, sewage storage tank
3, syphon hood 4, siphon destructing tube
5, siphon downtake 6, water distribution hydraucone
7, lower catch net 8, biological mixed bed
9, upper catch net 10, interior division plate
11, middle division plate 12, solid-liquid separator
13, posticum 14, rising pipe
15, shell
Embodiment
By reference to the accompanying drawings technical scheme of the present invention is further described.Fig. 1 has shown basic structure of the present invention.As shown in the figure, pulse internal-circulation anaerobic reactor of the present invention comprises pulse water distributing device A and internal-circulation anaerobic reactor B.Pulse water distributing device A and internal-circulation anaerobic reactor B are communicated with by siphon downtake 5.In pulse water distributing device A sewage storage tank, 2 sewage enters internal-circulation anaerobic reactor B by siphon downtake 5, and the low-water level of the sewage storage tank 2 of pulse water distributing device A is higher than the high-water of internal-circulation anaerobic reactor B.
Pulse water distributing device comprises water inlet pipe 1, sewage storage tank 2, syphon hood 3, siphon destructing tube 4, siphon downtake 5.
Sewage storage tank 2 is open-topped body structure, and water inlet pipe 1 is communicated with sewage storage tank 2.
The cylindrical shell that syphon hood 3 is top seal, is arranged on the bottom of sewage storage tank 2.The top of syphon hood 3 is lower than top on sewage storage tank 2, and syphon hood 3 bottoms are communicated with sewage storage tank 2.
Siphon downtake 5 is vertical pipe, and top is arranged in syphon hood 3, and top is lower than syphon hood 3 tops.The lower end of siphon downtake 5 is communicated with the bottom of internal-circulation anaerobic reactor B by transverse tube.
Siphon destructing tube 4 is the pipes that connect syphon hood 3 and sewage storage tank 2, in the outside vertical setting of syphon hood 3.The top of siphon destructing tube 4 is communicated with syphon hood 3 tops, and lower end arranges U-bend, and winding pipe exit is higher than syphon hood 3 bottom nozzles.
Internal-circulation anaerobic reactor B top is cylinder-like structure, and bottom is inverted round stage shape structure.The top of internal-circulation anaerobic reactor B shell 15 is cylinder shell, and the bottom of shell 15 is funnel-form housing.The open at both ends up and down of shell 15, the transverse tube that is communicated with the siphon downtake 5 of pulse water distributing device A inserts from the lower ending opening of funnel-form housing.The cylindrical shell body side surface of shell 15 sets out water hole 13, and posticum 13 is communicated with outside by rising pipe 14.
Two cylindric division plates are coaxially set in internal-circulation anaerobic reactor B, comprise interior division plate 10 and middle division plate 11.Middle division plate 11 is placed between shell 15 and interior division plate 10, and the cylinder that division plate forms is coaxial with the cylinder shell of shell 15.Middle division plate 11 upper ends are concordant with shell 15 upper ends, and interior division plate 10 upper ends are lower than middle division plate 11 upper ends.The lower end of the cylinder that interior division plate 10 and middle division plate 11 surround is respectively placed in the funnel-form housing of shell 15, and the phase spacing of cylinder lower end and shell 15 lower ends is diminished.
Biological mixed bed 8 is set in the cylinder that interior division plate 10 surrounds, fills volume ratio and be 50% floating stuffing in biological mixed bed 8, floating stuffing is placed between catch net 9 and lower catch net 7, and upper catch net 9 and lower catch net 7 are fixed on interior division plate 10.Floating stuffing is the macromolecule material filler that voidage is high, specific surface area large, proportion is less than 1, floating stuffing surface wrapping biological film.
The top of the annular space between middle division plate 11 and shell 15 arranges solid-liquid separator 12.Solid-liquid separator 12 is engaged and is formed by the del dividing plate that is 60 ° of angles.Solid-liquid separator 12 upper surfaces are concordant with the upper catch net 9 in interior division plate 10, the posticum 13 arranging lower than the cylinder shell top of shell 15.
The end of siphon downtake 5 lower crosstalk tube arranges water distribution hydraucone 6, and water distribution hydraucone 6 is placed in the bottom of the cylinder that interior division plate 10 surrounds.The lower catch net 7 of the hydraucone of water distribution hydraucone 6 in interior division plate 10.
During pulse internal-circulation anaerobic reactor application of the present invention, sewage evenly enters sewage storage tank 2 by the water inlet pipe 1 of pulse water distributing device A, under the effect of siphonage, by siphon downtake 5, enter internal-circulation anaerobic reactor B, enter the floating stuffing layer in biological mixed bed 8.In water, organism fully contacts with microbial film on filler under the condition of anaerobic, by inhabiting the amphimicrobe of filling surface and obligate anaerobes absorption, Decomposition is removed the pollutent in sewage, the mixed solution stream that sewage, mud form rises, mud sinks after repeatedly being stopped at solid-liquid separator 12 places, compressing, supernatant liquor is after treatment discharged by the posticum 13 on top, completes sewage treatment process.

Claims (5)

1. a pulse internal-circulation anaerobic reactor, it is characterized in that: comprise pulse water distributing device and internal-circulation anaerobic reactor, pulse water distributing device and internal-circulation anaerobic reactor are communicated with by siphon downtake, sewage in pulse water distributing device sewage storage tank enters internal-circulation anaerobic reactor by siphon downtake, and the low-water level of the sewage storage tank of pulse water distributing device is higher than the high-water of internal-circulation anaerobic reactor; Pulse water distributing device comprises sewage storage tank, syphon hood, siphon downtake, and syphon hood is arranged in sewage storage tank, and siphon downtake is drawn from syphon hood, and the bottom of siphon downtake is communicated with internal-circulation anaerobic reactor bottom by transverse tube; The top of internal-circulation anaerobic reactor shell is cylinder shell, and the bottom of shell is funnel-form housing, and the cylinder shell upper side of shell sets out water hole, and posticum is communicated with outside by rising pipe; In internal-circulation anaerobic reactor, have two cylindric division plates, biological mixed bed is set in the cylinder that interior division plate surrounds, between middle division plate and shell, the top of annular space arranges solid-liquid separator; In biological mixed bed, fill floating stuffing, floating stuffing is placed between catch net and lower catch net, and upper catch net and lower catch net are fixed on interior division plate.
2. according to the pulse internal-circulation anaerobic reactor described in claim 1, it is characterized in that: the siphon downtake of described pulse water distributing device is vertical pipe, and top is arranged in syphon hood, siphon downtake top is lower than syphon hood top.
3. according to the pulse internal-circulation anaerobic reactor described in claim 1, it is characterized in that: described pulse water distributing device also comprises siphon destructing tube, siphon destructing tube is the pipe that connects syphon hood and sewage storage tank, in syphon hood outside vertical, arranges; Siphon destructing tube top is communicated with syphon hood top, and lower end arranges U-bend, and winding pipe exit is higher than syphon hood bottom nozzle.
4. according to the pulse internal-circulation anaerobic reactor described in claim 1, it is characterized in that: described solid-liquid separator is engaged and formed by the del dividing plate that is 60 ° of angles, solid-liquid separator upper surface is concordant with the upper catch net in interior division plate, the posticum arranging lower than the cylinder shell top of body skin.
5. according to the pulse internal-circulation anaerobic reactor described in claim 1, it is characterized in that: the end of described siphon downtake lower crosstalk tube arranges water distribution hydraucone, water distribution hydraucone is placed in the bottom of the cylinder that interior division plate surrounds, the lower catch net of the bell-mouthed hydraucone of water distribution in interior division plate.
CN201310200005.4A 2013-05-27 2013-05-27 Pulse internal circulation anaerobic reactor Active CN103241834B (en)

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CN104724822A (en) * 2015-04-15 2015-06-24 铁道第三勘察设计院集团有限公司 Pulse water distributor
CN105967445A (en) * 2016-06-22 2016-09-28 北京桑德环境工程有限公司 Biochemical treatment system and method of waste water through conny pressure gasification

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6264838B1 (en) * 1997-05-21 2001-07-24 Kirk N. Nivens, Jr. On site waste water recycling system
CN2398266Y (en) * 1999-10-15 2000-09-27 朱震宇 Anaerobic pond
CN100494089C (en) * 2006-12-05 2009-06-03 北京交通大学 Composite type polluted water pretreatment apparatus for hydrolysis and acidification
CN201704125U (en) * 2010-04-30 2011-01-12 青岛银河环保股份有限公司 Siphon type pulse water distributor and sewage treatment pool with the same
CN102730826A (en) * 2012-08-02 2012-10-17 江苏清涵环保科技有限公司 Unpowered anaerobic apparatus
CN203256031U (en) * 2013-05-27 2013-10-30 铁道第三勘察设计院集团有限公司 Pulse internal circulation anaerobic reactor

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Address after: 300142 Hebei District, Zhongshan Road, No. 10,

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