CN204897529U - STREAMING anaerobic sludge bed reactor in two backward flows - Google Patents

STREAMING anaerobic sludge bed reactor in two backward flows Download PDF

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Publication number
CN204897529U
CN204897529U CN201520685043.8U CN201520685043U CN204897529U CN 204897529 U CN204897529 U CN 204897529U CN 201520685043 U CN201520685043 U CN 201520685043U CN 204897529 U CN204897529 U CN 204897529U
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China
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reflux
water
internal reflux
internal
external
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Expired - Fee Related
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CN201520685043.8U
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Chinese (zh)
Inventor
陆康接
邵丽
张润林
邵强
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Jinan Useful Environmental Technology Co Ltd
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Jinan Useful Environmental Technology Co Ltd
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Abstract

The utility model discloses a STREAMING anaerobic sludge bed reactor in two backward flows belongs to anaerobic organism sewage treatment technical field. Its technical scheme does: a STREAMING anaerobic sludge bed reactor in two backward flows, includes cell body, its characterized in that: inside the cell body, top -down has set gradually the distributing gutter, with the water distributor that distributing gutter bottom is linked together goes out the mill weir, three -phase separator, internal reflux cyclic annular perforated pipe and the internal reflux water distribution perforated pipe that directly appears that absorbs water. The beneficial effects of the utility model are that: the utility model discloses on the basis of advantages such as the equipment of STREAMING anaerobic sludge bed reactor is simple on former, the operation is stable, preparation installation cost is lower, the strong advantages of throughput such as EGSB, IC have been drawn to the processing scope has been enlarged, the upgrading transformation of the last STREAMING anaerobic sludge bed reactor not only being convenient for to have built, and can adapt to the organic waste water who handles different concentration, especially handle the higher high organic sewage of poisonous organic concentration.

Description

Dual reflux upflow anaerobic sludge blanket reactor
Technical field
The utility model relates to anaerobe technical field of sewage, particularly a kind of dual reflux upflow anaerobic sludge blanket reactor.
Background technology
At present, applying more is the anaerobic reactor of up flow anaerobic sludge blanket reactor (UASB), expanded granular sludge bed reactor reactor (EGSB) and internal-circulation anaerobic reactor (IC) or its modified form.Though UASB has the advantage that equipment is simple, operation is convenient, construction investment is less, processing cost is lower; But there is the shortcoming that floor space is comparatively large, sludge loss is more, volumetric loading is lower; Though EGSB and IC has, floor space is less, sludge loss is less, the higher advantage of volumetric loading, responds that device aspect ratio is excessive, higher to foundation requirement, fabrication and installation cost is higher, the riser tube of muddy water mixed solution and return line easily produce blocking, make the shortcomings such as internal recycle paralysis in internal recycle; In addition, for containing bio-refractory or microorganism is had to the high concentrated organic wastewater suppressing killing action organic pollutant, the adaptability of existing various anaerobic sludge reactor and treatment effect thereof also need to improve further and improve.
Utility model content
In order to solve the deficiency of above-mentioned prior art, the purpose of this utility model is: provide one can carry out internal recycle, outer circulation separately, and carry out the dual reflux upflow anaerobic sludge blanket reactor of inner-outer circulation simultaneously.
Invention thought of the present utility model is: for above problem, and the emphasis of the utility model dual reflux UASB reactor development solves following key issue: the principal advantages retaining UASB; Draw EGSB and IC and improve the basic skills of processing load by sludge circulation backflow in strengthening bed; Can be suitable for the newly-built of UASB reactor and reconstruction and extension project.On the basis of investigation and analysis and experimental study, the thin portion of the water inlet of upflow anaerobic sludge blanket reactor, water distribution and return-flow system is optimized further; Arrange inside and outside return-flow system, the concentration of the harmful organic substance in dilute sewage, the upflow velocity of corresponding lifting reaction zone, impels granule sludge to expand, and proposes dual reflux upflow anaerobic sludge blanket reactor.
A kind of dual reflux upflow anaerobic sludge blanket reactor, comprise pond body, wherein, inner at described pond body, be disposed with distributing trough from top to bottom, the water distributor be connected with bottom described distributing trough, effluent weir, triphase separator, internal reflux water suction circular perforation pipe and the straight shape perforated pipe of internal reflux water distribution;
Side, body top, described pond is provided with water leg, rising pipe is provided with bottom described water leg, its top is provided with the external reflux water absorption tube be communicated with it, the water outlet of described external reflux water absorption tube is provided with external reflux pump, the water outlet of described external reflux pump connects external reflux water inlet pipe, and described external reflux water inlet pipe arranges external reflux variable valve;
Be provided with water inlet pipe in described distributing trough, the water outlet of described external reflux water inlet pipe is placed in described distributing trough;
Described triphase separator is provided with the pneumatic tube being communicated with inside and outside, pond air;
Described internal reflux water suction circular perforation pipe one end connects internal reflux water absorption tube, described internal reflux water absorption tube separates two pipelines, one pipeline is arranged top mud valve, another pipeline is arranged internal reflux pump and internal reflux variable valve, another pipeline described and the internal reflux being arranged on side bottom the body of pond main of intaking is connected, one end of described internal reflux water inlet main arranges Y-tube, and described Y-tube is connected with the straight shape perforated pipe of internal reflux water distribution, and the other end is provided with bottom mud valve.
Described external reflux water absorption tube, external reflux pump, external reflux variable valve, external reflux water inlet pipe connect and compose external reflux system successively; The internal reflux water absorption tube of side, body top, described pond, internal reflux pump, internal reflux variable valve and internal reflux water inlet main connects and composes internal reflux system successively.
Described internal reflux circular perforation water absorption tube is positioned at 1.25 ± 0.25m place below described triphase separator; The aperture of described internal reflux circular perforation water absorption tube is downward; The surrounding of described internal reflux circular perforation water absorption tube is by there being the cover plate avoiding bubble to enter; Return internal reflux circular perforation water absorption tube in described to connect with the internal reflux water absorption tube of pond external body.
The arm that described internal reflux straight shape perforation water distributor is arranged in parallel by several connects and composes, and adjacent branch interval is 1 ~ 2m, and described arm one end and internal reflux main of intaking connects, and the other end is free state.
Described internal reflux water distribution straight shape perforation arm aperture and arrange the described water distributor mouth of pipe equidistant being separated by, standoff distance is 1 ~ 2m.
Described external reflux pump and external reflux governor valve control external reflux flow are that the up-flow speed (the process water yield that unit cross-sectional area passes through and external reflux water yield sum) according to settling region, triphase separator top is not more than 0.8m/h and determines; Internal reflux pump and internal reflux governor valve control internal reflux flow are that the up-flow speed (the process water yield that unit cross-sectional area passes through and inside and outside backflow water yield sum) according to triphase separator lower reaction zone is determined within the scope of 2 ~ 4m/h.
Described internal reflux water absorption tube and internal reflux water inlet main also may be used for shore pipe, are controlled by top mud valve and bottom mud valve.
During utility model works, pending waste water enters distributing trough from water inlet pipe, in distributing trough, fully mix with from the external reflux water in external reflux water inlet pipe, by the mouth of pipe of water distributor to pond body water distribution uniformity, and the internal reflux liquid-phase mixing of discharging with reason granule sludge at the bottom of pond, water distributor of boring a hole from the straight shape of internal reflux; Mixed solution carries out anaerobe reaction from bottom to top and produces biogas, rise to internal reflux circular perforation water absorption tube, part mixed solution is sucked out, and the internal reflux systemic circulation continuing to participate in being made up of internal reflux circular perforation water absorption tube, internal reflux water absorption tube, internal reflux pump, internal reflux variable valve, internal reflux water inlet main and internal reflux straight shape perforation water distributor refluxes; Rest part mixed solution continues to upwelling to triphase separator, and biogas is discharged from pneumatic tube by the air chamber in triphase separator; Granule sludge in triphase separator separated rear automatic fall-back to reaction zone, the sewage that remaining is after anaerobic treatment and the fine particle do not separated by triphase separator or floc sludge, this strand of settling region of sewage on triphase separator, fine particle or floc sludge, through further precipitate and separate, fall after rise to reaction zone through triphase separator; Clear liquid is collected to water leg through effluent weir; In water leg, the external reflux systemic circulation backflow that part clear liquid forms via external reflux water absorption tube, external reflux pump, external reflux variable valve and external reflux water inlet pipe; All the other clear liquids are discharged through rising pipe.Open top mud valve and can discharge the remaining fine particle in top, reaction zone or floc sludge; Open bottom mud valve and can discharge the remaining coarse particles in bottom, reaction zone.
By test, the beneficial effects of the utility model are: on the basis of the advantages such as the utility model is simple, stable at the equipment of former upflow anaerobic sludge blanket reactor, fabrication and installation cost is lower, draw the advantage that the processing poweies such as EGSB, IC are strong, and expand process range, be not only convenient to the upgrading of built upflow anaerobic sludge blanket reactor; And the organic waste water processing different concns can be adapted to, especially process the higher high organic sewage of toxic organic compound concentration.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Wherein, Reference numeral is: 1, Chi Ti; 2, water inlet pipe; 3, distributing trough; 4, water distributor; 5, effluent weir; 6, water leg; 7, rising pipe; 8, triphase separator; 9, pneumatic tube; 10, internal reflux circular perforation water absorption tube; 11, internal reflux straight shape perforation water distributor; 12, external reflux water absorption tube; 13, external reflux pump; 14, external reflux variable valve; 15, external reflux water inlet pipe; 16, internal reflux water absorption tube; 17, internal reflux pump; 18, internal reflux variable valve; 19, internal reflux water inlet main; 20, top mud valve; 21, bottom mud valve.
Embodiment
In order to the technical characterstic of this programme can be clearly demonstrated, below by embodiment, this programme is set forth.
Embodiment 1
See Fig. 1, the utility model is: a kind of dual reflux upflow anaerobic sludge blanket reactor, comprise pond body 1, wherein, inner at pond body 1, be disposed with distributing trough 3 from top to bottom, the water distributor 4 be connected with bottom distributing trough 3, effluent weir 5, triphase separator 8, internal reflux water suction circular perforation pipe 10 and the straight shape perforated pipe 11 of internal reflux water distribution;
Side, pond body 1 top is provided with water leg 6, rising pipe 7 is provided with bottom water leg 6, its top is provided with the external reflux water absorption tube 12 be communicated with it, the water outlet of external reflux water absorption tube 12 is provided with external reflux pump 13, the water outlet of external reflux pump 13 connects external reflux water inlet pipe 15, arranges external reflux variable valve 14 in external reflux water inlet pipe 15;
Be provided with water inlet pipe 2 in distributing trough 3, the water outlet of external reflux water inlet pipe 15 is placed in distributing trough 3;
Triphase separator 8 is provided with the pneumatic tube 9 being communicated with pond body 1 inner air and outer air;
Internal reflux water suction circular perforation pipe 10 one end connects internal reflux water absorption tube 16, internal reflux water absorption tube 16 separates two pipelines, one pipeline is arranged top mud valve 20, another pipeline is arranged internal reflux pump 17 and internal reflux variable valve 18, another pipeline and the internal reflux being arranged on side bottom pond body 1 main 19 of intaking is connected, one end of internal reflux water inlet main 19 arranges Y-tube, and Y-tube is connected with the straight shape perforated pipe 11 of internal reflux water distribution, and the other end is provided with bottom mud valve 21.
The external reflux system that external reflux water absorption tube 12, external reflux pump 13, external reflux variable valve 14, external reflux water inlet pipe 15 are formed; The internal reflux system that the internal reflux water absorption tube 16 of side, pond body 1 top, internal reflux pump 17, internal reflux variable valve 18 and internal reflux water inlet main 19 is formed.
Internal reflux circular perforation water absorption tube 10 is positioned at 1.25m below triphase separator 8; The aperture of internal reflux circular perforation water absorption tube 10 is downward; The surrounding of internal reflux circular perforation water absorption tube 10 is by there being the cover plate avoiding bubble to enter; The interior internal reflux circular perforation water absorption tube 10 that returns connects with the internal reflux water absorption tube 16 of pond body 1 outside.
The arm that internal reflux straight shape perforation water distributor 11 is arranged in parallel by several roots connects and composes, and adjacent branch interval is 1.5m, and arm one end and internal reflux main 19 of intaking connects, and the other end is free state.
Internal reflux water distribution straight shape perforation arm 11 aperture and arrange water distributor 4 mouth of pipe equidistant being separated by, standoff distance is 1.5m.
External reflux pump 13 and external reflux variable valve 14 control external reflux flow, are that the process water yield passed through according to the up-flow speed unit sectional area of settling region, triphase separator 8 top and external reflux water yield sum are not more than 0.8m/h and determine; Internal reflux pump 17 and internal reflux variable valve 18 control internal reflux flow, be the process water yield passed through according to the up-flow speed unit sectional area of triphase separator 8 lower reaction zone and inside and outside backflow water yield sum are 25m/h.
Internal reflux water absorption tube 16 and internal reflux water inlet main 19 also may be used for shore pipe, are controlled by top mud valve 20 and bottom mud valve 21.
Pending waste water enters distributing trough 3 from water inlet pipe 2, in distributing trough 3, fully mix with from the external reflux water in external reflux water inlet pipe 15, by the mouth of pipe of water distributor 4 to pond body water distribution uniformity, and the internal reflux liquid-phase mixing of discharging with reason granule sludge at the bottom of pond, water distributor 11 of boring a hole from the straight shape of internal reflux; Mixed solution carries out anaerobe reaction from bottom to top and produces biogas, rise to internal reflux circular perforation water absorption tube 10, part mixed solution is sucked out, and the internal reflux systemic circulation continuing to participate in being made up of internal reflux circular perforation water absorption tube 10, internal reflux water absorption tube 16, internal reflux pump 17, internal reflux variable valve 18, internal reflux water inlet main 19 and internal reflux straight shape perforation water distributor 11 refluxes; Rest part mixed solution continues to upwelling to triphase separator 8, and biogas is discharged from pneumatic tube 9 by the air chamber in triphase separator 8; Granule sludge in triphase separator 8 separated rear automatic fall-back to reaction zone, the sewage that remaining is after anaerobic treatment and the fine particle do not separated by triphase separator 8 or floc sludge, this strand of settling region of sewage on triphase separator 8, fine particle or floc sludge, through further precipitate and separate, fall after rise to reaction zone through triphase separator 8; Clear liquid is collected to water leg 6 through effluent weir 5; In water leg 6, the external reflux systemic circulation backflow that part clear liquid forms via external reflux water absorption tube 12, external reflux pump 13, external reflux variable valve 14 and external reflux water inlet pipe 15; All the other clear liquids are discharged through rising pipe 7.Open top mud valve 20 and can discharge the remaining fine particle in top, reaction zone or floc sludge; Open bottom mud valve 21 and can discharge the remaining coarse particles in bottom, reaction zone.
The utility model can pass through without the technical characteristic described or adopt existing techniques in realizing, do not repeat them here, certainly, above-mentioned explanation is not to restriction of the present utility model, the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to the utility model.

Claims (5)

1. a dual reflux upflow anaerobic sludge blanket reactor, comprise pond body (1), it is characterized in that: inner in described pond body (1), be disposed with distributing trough (3) from top to bottom, the water distributor (4) be connected with described distributing trough (3) bottom, effluent weir (5), triphase separator (8), internal reflux water suction circular perforation pipe (10) and the straight shape perforated pipe (11) of internal reflux water distribution;
Body (1) side, top, described pond is provided with water leg (6), described water leg (6) bottom is provided with rising pipe (7), its top is provided with the external reflux water absorption tube (12) be communicated with it, the water outlet of described external reflux water absorption tube (12) is provided with external reflux pump (13), the water outlet of described external reflux pump (13) connects external reflux water inlet pipe (15), described external reflux water inlet pipe (15) onexternal reflux variable valve (14) is set;
Be provided with water inlet pipe (2) in described distributing trough (3), the water outlet of described external reflux water inlet pipe (15) is placed in described distributing trough (3);
Described triphase separator (8) is provided with the pneumatic tube (9) being communicated with pond body (1) inner air and outer air;
Described internal reflux water suction circular perforation pipe (10) one end connects internal reflux water absorption tube (16), described internal reflux water absorption tube (16) separates two pipelines, one pipeline is arranged top mud valve (20), another pipeline is arranged internal reflux pump (17) and internal reflux variable valve (18), another pipeline described and the internal reflux main (19) of intaking being arranged on side, pond body (1) bottom are connected, one end of described internal reflux water inlet main (19) arranges Y-tube, described Y-tube is connected with the straight shape perforated pipe (11) of internal reflux water distribution, the other end is provided with bottom mud valve (21).
2. dual reflux upflow anaerobic sludge blanket reactor according to claim 1, is characterized in that: described external reflux water absorption tube (12), external reflux pump (13), external reflux variable valve (14), external reflux water inlet pipe (15) connect and compose external reflux system successively; The internal reflux water absorption tube (16) of body (1) side, top, described pond, internal reflux pump (17), internal reflux variable valve (18) and internal reflux water inlet main (19) connect and compose internal reflux system successively.
3. dual reflux upflow anaerobic sludge blanket reactor according to claim 1, is characterized in that: described internal reflux circular perforation water absorption tube (10) is positioned at 1 ~ 1.5m place, described triphase separator (8) below; The aperture of described internal reflux circular perforation water absorption tube (10) is downward.
4. dual reflux upflow anaerobic sludge blanket reactor according to claim 1, it is characterized in that: the arm that straight shape perforation water distributor (11) of described internal reflux is arranged in parallel by several connects and composes, adjacent branch interval is 1 ~ 2m, described arm one end and internal reflux main (19) of intaking connects, and the other end is free state.
5. dual reflux upflow anaerobic sludge blanket reactor according to claim 1, is characterized in that: described internal reflux water distribution straight shape perforation arm (11) aperture and arrange described water distributor (4) mouth of pipe equidistant being separated by, standoff distance is 1 ~ 2m.
CN201520685043.8U 2015-09-07 2015-09-07 STREAMING anaerobic sludge bed reactor in two backward flows Expired - Fee Related CN204897529U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105776536A (en) * 2016-05-20 2016-07-20 广州华浩能源环保集团有限公司 Online-maintenance up-flow anaerobic reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105776536A (en) * 2016-05-20 2016-07-20 广州华浩能源环保集团有限公司 Online-maintenance up-flow anaerobic reactor

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20151223

Termination date: 20190907