CN103241834A - Pulse internal circulation anaerobic reactor - Google Patents
Pulse internal circulation anaerobic reactor Download PDFInfo
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- CN103241834A CN103241834A CN2013102000054A CN201310200005A CN103241834A CN 103241834 A CN103241834 A CN 103241834A CN 2013102000054 A CN2013102000054 A CN 2013102000054A CN 201310200005 A CN201310200005 A CN 201310200005A CN 103241834 A CN103241834 A CN 103241834A
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- anaerobic reactor
- circulation anaerobic
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- siphon
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
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
Technical field
The present invention relates to waste disposal plant, particularly relate to the anaerobic biological waste disposal plant.
Background technology
Anerobic sowage treatment technology has that energy consumption is low, management is simple, the characteristics of mud good stability, is widely used in the 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 the waste disposal plant reactor, organism also is the key of anaerobic technique success with fully contacting of anaerobion in the system in secondly intaking.
Anaerobic filter, reactor such as anaerobic fluidized bed have the advantages that solid retention time and hydraulic detention time separate, usually 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 big, energy consumption is higher, in the less Railways Stations section of sewage quantity, substantially all cancels the external reflux measure, and sewage directly enters the anaerobic treatment structures, by prolonging 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 filtrate blockage problem, dissolved organic matter is restricted with contacting of anaerobion in the water inlet, water outlet black often occurs and has stink, influences the operation of wastewater treatment efficiency and follow-up sewage treatment facility.
Summary of the invention
Problem at the middle-size and small-size waste disposal plant existence of the anaerobic biological technology of prior art, the present invention releases the internal-circulation anaerobic reactor that utilizes the pulse water-feeding mode, by periodically improving the flow velocity of anaerobic reactor water inlet, utilize the upwelling surging force of water inlet, form the 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 the sewage improves wastewater treatment efficiency.
Pulse internal-circulation anaerobic reactor of the present invention comprises pulse water distribution device and internal-circulation anaerobic reactor, and pulse water distribution device and internal-circulation anaerobic reactor are communicated with by the siphon downtake.Sewage in the pulse water distribution device sewage storage tank enters internal-circulation anaerobic reactor by the siphon downtake, and the low-water level of the sewage storage tank of pulse water distribution device is higher than the high-water of internal-circulation anaerobic reactor.
The pulse water distribution device comprises water inlet pipe, sewage storage tank, syphon hood, siphon downtake, siphon destructing tube.The sewage storage tank is open-topped body structure, and water inlet pipe is communicated with the sewage storage tank, and syphon hood is arranged in the sewage storage tank, and the siphon downtake is drawn from syphon hood, and siphon destructing tube is arranged on the 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.
The siphon downtake is vertical pipe, and top is arranged in the syphon hood, and the top is lower than the syphon hood top.The lower end of siphon downtake is communicated with the internal-circulation anaerobic reactor bottom by transverse tube.
Siphon destructing tube is the pipe that connects syphon hood and sewage storage tank, arranges in the syphon hood outside vertical.The siphon destructing tube top is communicated with the syphon hood top, and the lower end arranges U-bend, and winding pipe exit is higher than the syphon hood bottom nozzle.
Internal-circulation anaerobic reactor top is cylinder-like structure, and the bottom is for falling round table-like structure.The shell upper of internal-circulation anaerobic reactor is cylinder shell, and outer casing underpart is the funnel-form housing.Shell is open at both ends up and down, and the transverse tube of the siphon downtake of connection pulse water distribution device inserts from the lower ending opening of funnel-form housing.The cylindrical shell body side surface of shell sets out the water hole, and posticum is by rising pipe and external communications.
Coaxial two cylindric division plates, division plate and the middle division plate in comprising of arranging in the internal-circulation anaerobic reactor.Middle division plate places between shell and the 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 the shell upper end, and interior division plate upper end is lower than on the middle division plate.The lower end of the cylinder that interior division plate and middle division plate surround respectively places 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 in the biological mixed bed and be 50% floating stuffing, floating stuffing places the interception net and down between the interception net, on tackle net and in the interception net is fixed on down on the division plate.Floating stuffing is that voidage height, specific surface area are big, proportion is less than 1 macromolecule material filler, floating stuffing surface wrapping biological film.
The top of annular space arranges solid-liquid separator between middle division plate and the shell.Solid-liquid separator is engaged by the del dividing plate that is 60 ° of angles and forms.The solid-liquid separator upper surface is concordant with the upward interception net in the interior division plate, is lower than the posticum of the cylinder shell top setting of body skin.
The end of siphon downtake lower crosstalk tube arranges the water distribution hydraucone, in the cylinder bottom that division plate surrounded in the water distribution hydraucone placed.The following interception net of the bell-mouthed hydraucone of water distribution in interior division plate.
When pulse internal-circulation anaerobic reactor of the present invention is used, sewage evenly enters the sewage storage tank by pulse water distribution device water inlet pipe, when in the sewage storage tank during water flooding syphon hood wall lower edge, form enclosed space in the syphon hood, along with sewage storage tank water level raises gradually, air is progressively compressed in the syphon hood, water level raises synchronously gradually in the syphon hood, when water level reaches the maximum value of high-water in the sewage storage tank, water level is elevated to siphon downtake pipe top in the syphon hood, sewage carries the pressurized air of assembling in the syphon hood and enters the siphon downtake fast, vacuum tightness increases gradually in the syphon hood, form the siphon water outlet at last, water outlet enters internal-circulation anaerobic reactor by the siphon downtake.Simultaneously, the water in the sewage storage tank enters syphon hood through the syphon hood bottom.Because siphon downtake aquifer yield is much larger than the flooding quantity of water inlet pipe, sewage storage tank water level descends rapidly, when water level is lower than the siphon destructive infratubal port in the sewage storage tank, and the air admission syphon hood, vacuum is destroyed, and water outlet finishes, and enters next water distribution cycle.Namely, sewage evenly enters by water inlet pipe again and forms in sewage storage tank, the syphon hood that air is progressively compressed again in enclosed space, the syphon hood, water level raises synchronously gradually again in the syphon hood, when water level reaches the maximum value of high-water in the sewage storage tank, water level is elevated to siphon downtake pipe top in the syphon hood, and sewage carries the pressurized air of assembling in the syphon hood and enters the siphon downtake fast and form the siphon water outlet and enter internal-circulation anaerobic reactor by the siphon downtake.
Sewage enters internal-circulation anaerobic reactor by siphon downtake, water distribution hydraucone intermittence, enters the floating stuffing layer in the biological mixed bed.Under the siphon condition, utilize the high speed ascending current of instantaneous formation, any oxygenation process does not appear, in the water organism under the condition of anaerobic with floating stuffing on microbial film fully contact, go down except pollutants in sewage in the absorption of the amphimicrobe that inhabits the floating stuffing surface and obligate anaerobes, Decomposition.Comprise high velocity flow wash away the aging biomembranous mixed solution that comes off down enter by last interception net with ascending current between division plate and the middle division plate and flow downward, mix bottom internal-circulation anaerobic reactor with water inlet.Rise between division plate and the body skin in the mixed solution stream edge that sewage, mud form, at the solid-liquid separator place, mud is stopped, is compressed the back repeatedly and sunk, and returns the internal-circulation anaerobic reactor bottom, realize solid-liquid separation, supernatant liquor is after treatment discharged by the posticum on top.Because the posticum drainability is much smaller than flooding quantity, water level in the internal-circulation anaerobic reactor rises rapidly to high-water, not open closely crosses posticum, rising pipe is discharged, next pulse water-feeding begins before by even emptying, water level returns to low-water level, finishes the entire sewage treating processes.
Waste disposal plant involved in the present invention rationally utilizes the potential energy of water inlet; finish the conversion to kinetic energy within a short period of time; accelerate organism transmittance process to microorganism cells from sewage; there is not power consumption; satisfy the original intention that environmental protection facility is preserved the ecological environment, have the characteristics of obvious energy-saving and environmental protection at high concentration organic sewage and middle-size and small-size sewage treatment area.
Filling floating stuffing in the biological mixed bed of waste disposal plant of the present invention, the 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 be 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.Adopt the pneumatic blending in the waterpower stirring replacement aerobic process, form the anaerobe film treating processes of sewage, realize still less excess sludge generation and better mud stability.
Inner the no any movable part of apparatus of the present invention, management is simple, arrange compact, suitable anaerobic biological processing as life, production waste, the pre-treatment of natural treatment process, or to the processing of high concentrated organic wastewater.
Description of drawings
Fig. 1 is pulse internal-circulation anaerobic reactor cross-sectional view.
Description of symbols among the figure:
A, pulse water distribution 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, tackle net 8, biological mixed bed down
9, tackle net 10, interior division plate on
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 distribution device A and internal-circulation anaerobic reactor B.Pulse water distribution device A and internal-circulation anaerobic reactor B are communicated with by siphon downtake 5.2 sewage enters internal-circulation anaerobic reactor B by siphon downtake 5 in the pulse water distribution device A sewage storage tank, and the low-water level of the sewage storage tank 2 of pulse water distribution device A is higher than the high-water of internal-circulation anaerobic reactor B.
The pulse water distribution device comprises water inlet pipe 1, sewage storage tank 2, syphon hood 3, siphon destructing tube 4, siphon downtake 5.
Syphon hood 3 is the cylindrical shell of top seal, is arranged on the bottom of sewage storage tank 2.The top of syphon hood 3 is lower than top on the sewage storage tank 2, and syphon hood 3 bottoms are communicated with sewage storage tank 2.
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 the 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 the bottom is for falling round table-like structure.The top of internal-circulation anaerobic reactor B shell 15 is cylinder shell, and the bottom of shell 15 is the funnel-form housing.The open at both ends up and down of shell 15, the transverse tube of the siphon downtake 5 of connection pulse water distribution 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 by rising pipe 14 and external communications.
Coaxial two cylindric division plates, division plate 10 and the middle division plate 11 in comprising of arranging in the internal-circulation anaerobic reactor B.Middle division plate 11 places between shell 15 and the 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 respectively places 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 in the biological mixed bed 8 and be 50% floating stuffing, floating stuffing places interception net 9 and down between the interception net 7, on tackle net 9 and in interception net 7 is fixed on down on the division plate 10.Floating stuffing is that voidage height, specific surface area are big, proportion is less than 1 macromolecule material filler, floating stuffing surface wrapping biological film.
The top of the annular space between middle division plate 11 and the shell 15 arranges solid-liquid separator 12.Solid-liquid separator 12 is engaged by the del dividing plate that is 60 ° of angles and forms.Solid-liquid separator 12 upper surfaces are concordant with the upward interception net 9 in the interior division plate 10, are lower than the posticum 13 of the cylinder shell top setting of shell 15.
The end of siphon downtake 5 lower crosstalk tube arranges water distribution hydraucone 6, the bottom of the cylinder that division plate 10 surrounded in water distribution hydraucone 6 placed.The following interception net 7 of the hydraucone of water distribution hydraucone 6 in interior division plate 10.
When pulse internal-circulation anaerobic reactor of the present invention is used, sewage evenly enters sewage storage tank 2 by the water inlet pipe 1 of pulse water distribution device A, under the effect of siphonage, enter internal-circulation anaerobic reactor B by siphon downtake 5, enter the floating stuffing layer in the biological mixed bed 8.In the water organism under the condition of anaerobic with filler on microbial film fully contact, remove pollutants in sewage by the absorption of the amphimicrobe that inhabits filling surface and obligate anaerobes, Decomposition, the mixed solution stream that sewage, mud form rises, mud is stopped, is compressed the back repeatedly and sunk at solid-liquid separator 12 places, supernatant liquor is after treatment discharged by the posticum 13 on top, finishes sewage treatment process.
Claims (7)
1. pulse internal-circulation anaerobic reactor, it is characterized in that: comprise pulse water distribution device and internal-circulation anaerobic reactor, pulse water distribution device and internal-circulation anaerobic reactor are communicated with by the siphon downtake, sewage in the pulse water distribution device sewage storage tank enters internal-circulation anaerobic reactor by the siphon downtake, and the low-water level of the sewage storage tank of pulse water distribution device is higher than the high-water of internal-circulation anaerobic reactor; The pulse water distribution device comprises sewage storage tank, syphon hood, siphon downtake, and syphon hood is arranged in the sewage storage tank, and the siphon downtake is drawn from syphon hood; Two cylindric division plates are arranged in the internal-circulation anaerobic reactor, biological mixed bed is set in the cylinder that interior division plate surrounds, the top of annular space arranges solid-liquid separator between middle division plate and the shell.
2. according to the pulse internal-circulation anaerobic reactor described in the claim 1, it is characterized in that: the siphon downtake of described pulse water distribution device is vertical pipe, top is arranged in the syphon hood, siphon downtake top is lower than the syphon hood top, and the bottom of siphon downtake is communicated with the internal-circulation anaerobic reactor bottom by transverse tube.
3. according to the pulse internal-circulation anaerobic reactor described in the claim 1, it is characterized in that: described pulse water distribution device also comprises siphon destructing tube, and siphon destructing tube is the pipe that connects syphon hood and sewage storage tank, arranges in the syphon hood outside vertical; The siphon destructing tube top is communicated with the syphon hood top, and the lower end arranges U-bend, and winding pipe exit is higher than the syphon hood bottom nozzle.
4. according to the pulse internal-circulation anaerobic reactor described in the claim 1, it is characterized in that: the top of described internal-circulation anaerobic reactor shell is cylinder shell, the bottom of shell is the funnel-form housing, the cylinder shell upper side of shell sets out the water hole, and posticum is by rising pipe and external communications.
5. according to the pulse internal-circulation anaerobic reactor described in the claim 1, it is characterized in that: the floating stuffing in the described biological mixed bed places the interception net and down between the interception net, on tackle net and down the interception net be fixed on the interior division plate.
6. according to the pulse internal-circulation anaerobic reactor described in the claim 1, it is characterized in that: described solid-liquid separator is engaged by the del dividing plate that is 60 ° of angles and forms, the solid-liquid separator upper surface is concordant with the upward interception net in the interior division plate, is lower than the posticum of the cylinder shell top setting of body skin.
7. according to the pulse internal-circulation anaerobic reactor described in the claim 1, it is characterized in that: the end of described siphon downtake lower crosstalk tube arranges the water distribution hydraucone, the bottom of the cylinder that division plate surrounded in the water distribution hydraucone placed, the following interception net of the bell-mouthed hydraucone of water distribution in interior division plate.
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| CN201310200005.4A CN103241834B (en) | 2013-05-27 | 2013-05-27 | Pulse internal circulation anaerobic reactor |
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| CN201310200005.4A CN103241834B (en) | 2013-05-27 | 2013-05-27 | Pulse internal circulation anaerobic reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106315845A (en) * | 2016-11-02 | 2017-01-11 | 江苏维尔利环保科技股份有限公司 | Plug flow anaerobic digestion reactor |
| CN113860487A (en) * | 2021-10-09 | 2021-12-31 | 湖南三友环保科技有限公司 | Aerobic granular sludge culture device and culture method |
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| 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 |
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| 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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Patent Citations (6)
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| 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106315845A (en) * | 2016-11-02 | 2017-01-11 | 江苏维尔利环保科技股份有限公司 | Plug flow anaerobic digestion reactor |
| CN106315845B (en) * | 2016-11-02 | 2023-06-23 | 维尔利环保科技集团股份有限公司 | Plug flow type anaerobic digestion reactor |
| CN113860487A (en) * | 2021-10-09 | 2021-12-31 | 湖南三友环保科技有限公司 | Aerobic granular sludge culture device and culture method |
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Address after: 300142 Hebei District, Zhongshan Road, No. 10, Patentee after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Patentee before: China Railway Third Survey and Design Institute Group Ltd. |
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