CN103043778B - Bioreactor based on automatic float sludge breaking and circulation - Google Patents
Bioreactor based on automatic float sludge breaking and circulation Download PDFInfo
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- CN103043778B CN103043778B CN201310008858.8A CN201310008858A CN103043778B CN 103043778 B CN103043778 B CN 103043778B CN 201310008858 A CN201310008858 A CN 201310008858A CN 103043778 B CN103043778 B CN 103043778B
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- Prior art keywords
- sludge
- transverse wall
- mud scum
- suction pipe
- settling tank
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- 239000010802 sludge Substances 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000010298 pulverizing process Methods 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 7
- 238000013022 venting Methods 0.000 claims description 7
- 239000008187 granular material Substances 0.000 abstract description 16
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract 4
- 239000007921 spray Substances 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- -1 under high loading Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Removal Of Floating Material (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention disclose a bioreactor based on automatic float sludge breaking and circulation. The bioreactor comprises a separation zone, a reaction zone, and a water distribution zone that are connected in sequence, wherein the separation zone comprises an exhaust port, an air chamber, a water outlet, a sludge circulation barrel, an annular settling tank, a diversion slot, a liquid spray pipe, a transverse partition, a float sludge collecting chamber and a sludge suction pipe; the separation zone is sequentially provided with the exhaust port, the air chamber, the water outlet, the sludge circulation barrel, the transverse partition and the float sludge collecting chamber from the top down; the liquid spray pipe is arranged on the transverse partition in a penetrating manner; the sludge suction pipe is arranged on the lower surface of the transverse partition; the annular settling tank is arranged outside the air chamber and the sludge circulation barrel; the water outlet is formed at the upper part of the annular settling tank; the diversion slot is formed at the lower end of the annular settling tank; and a water distributor is arranged at the bottom of the water distribution zone. The granule sludge bioreactor is applicable to removing bubbles attached to the surface of granule sludge, breaking air bags in the granule sludge and restoring settleability of the float granule sludge, and the operating performance of the granule sludge bed reactor is guaranteed.
Description
Technical field
The present invention relates to bio-reactor, relate in particular to a bio-reactor based on the circulation of mud scum automatic pulverizing.
Background technology
In biological wastewater treatment, microorganism is the key that reactor presents usefulness.In existing high-efficient granule sludge bed reactor, microorganism mainly exists with granule sludge form.The settling property of granule sludge and microorganism are held and stay closely relatedly, are directly connected to the operating performance of bio-reactor.In anaerobic ammonia oxidation reactor, the product reacting with nitrite nitrogen due to ammonia nitrogen is nitrogen, under high loading, gas production rate is very large, nitrogen can be attached to granule sludge surface or be stranded in the air bag of granule sludge inside with the form of bubble, cause granule sludge density to be less than reaction solution and floating loss, cause reactor operating performance to worsen, even collapse.Solve mud scum problem advance the important leverage of anaerobic ammonia oxidation process application.In view of this, the present invention has designed a bio-reactor based on the circulation of mud scum automatic pulverizing, to eliminate the impact of mud scum on anaerobic ammonia oxidation reactor performance.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a bio-reactor based on the circulation of mud scum automatic pulverizing is provided.
Bio-reactor based on the circulation of mud scum automatic pulverizing comprises the disengaging zone, reaction zone, the cloth pool that connect in turn; Disengaging zone comprises venting port, air chamber, water outlet, sludge circulation bucket, annular settling tank, flow guiding slit, sparge pipe, transverse wall, mud scum collecting chamber, suction pipe; Disengaging zone is provided with venting port, air chamber, water outlet, sludge circulation bucket, transverse wall, mud scum collecting chamber from top to bottom in turn, on transverse wall, be installed with bubbler, be provided with ooze sucker at transverse wall lower surface, be provided with annular settling tank outward at air chamber, sludge circulation bucket, annular settling tank top is provided with water outlet, annular settling tank lower end is provided with flow guiding slit, and bottom, cloth pool is provided with water distributor.
Described air chamber, sludge circulation bucket are cylindric, and the height of air chamber is 5-10cm, and the height of sludge circulation bucket is 10-40cm.The height of described flow guiding slit is 2-6cm.Described suction pipe length is 1-5cm.Described mud scum collecting chamber is cylindric, is made up of transverse wall and place, suction pipe lower end plane.Described sparge pipe diameter of section: reaction zone diameter of section=1:4-1:10, sparge pipe stretches to sludge circulation bucket by transverse wall, sparge pipe outlet and transverse wall 2-8cm apart, sparge pipe outlet exceeds on flow guiding slit along 1-3cm, sparge pipe import is stretched to reaction zone by transverse wall, and sparge pipe import and transverse wall are at a distance of 1-4cm.Described suction pipe diameter of section: reaction zone diameter of section=1:4-1:10, suction pipe import and transverse wall maintain an equal level, suction pipe outlet and transverse wall 4-10cm apart.
The beneficial effect that the present invention compared with prior art has:
1) save energy consumption.Rely on special structure design, impel the broken outgas of mud scum and sedimentation to return, without outside input mechanical power, save power consumption.
2) recycle.Rely on special parameters optimization, impel mud scum appropriateness broken, recover rapid subsidence performance, realize sludge circulation utilization.
3) be suitable for face width.Rely on special structural arrangement, make the gas of reaction zone generation as the power of the recycle system, all kinds of aerogenesis granular sludge bed reactors are had to universality.
Accompanying drawing explanation
Fig. 1 is the bioreactor construction schematic diagram based on the circulation of mud scum automatic pulverizing;
In figure: disengaging zone
, reaction zone
, cloth pool
, venting port 1, air chamber 2, water outlet 3, sludge circulation bucket 4, annular settling tank 5, flow guiding slit 6, sparge pipe 7, transverse wall 8, mud scum collecting chamber 9, suction pipe 10, water distributor 11.
Embodiment
As shown in Figure 1, the bio-reactor based on the circulation of mud scum automatic pulverizing comprises the disengaging zone connecting in turn
, reaction zone
, cloth pool
; Disengaging zone
comprise venting port 1, air chamber 2, water outlet 3, sludge circulation bucket 4, annular settling tank 5, flow guiding slit 6, sparge pipe 7, transverse wall 8, mud scum collecting chamber 9, suction pipe 10; Disengaging zone
be provided with in turn from top to bottom venting port 1, air chamber 2, water outlet 3, sludge circulation bucket 4, transverse wall 8, mud scum collecting chamber 9, on transverse wall 8, be installed with bubbler 7, be provided with ooze sucker 10 at transverse wall 8 lower surfaces, outside air chamber 2, sludge circulation bucket 4, be provided with annular settling tank 5, annular settling tank 5 tops are provided with water outlet 3, annular settling tank 5 lower ends are provided with flow guiding slit 6, cloth pool
bottom is provided with water distributor 11.
Described air chamber 2, sludge circulation bucket 4 are cylindric, and the height of air chamber 2 is 5-10cm, and the height of sludge circulation bucket 4 is 10-40cm.The height of described flow guiding slit 6 is 2-6cm.Described suction pipe 10 length are 1-5cm.Described mud scum collecting chamber 9 is cylindric, is made up of transverse wall 8 and suction pipe 10 place, lower end planes.Described sparge pipe 7 diameter of sections: reaction zone
diameter of section=1:4-1:10, sparge pipe 7 stretches to sludge circulation bucket 4 by transverse wall 8, and sparge pipe 7 outlet is with transverse wall 8 at a distance of 2-8cm, and sparge pipe 7 outlets exceed on flow guiding slit 6 along 1-3cm, and sparge pipe 7 imports are stretched to reaction zone by transverse wall 8
, sparge pipe 7 imports and transverse wall 8 are at a distance of 1-4cm.Described suction pipe 10 diameter of sections: reaction zone
diameter of section=1:4-1:10, suction pipe 10 imports and transverse wall 8 maintain an equal level, suction pipe 10 outlets and transverse wall 8 4-10cm apart.
The present invention utilizes mud scum collecting chamber, make to come together in mud scum collecting chamber from the gas of reaction zone generation and the granule sludge of floating, by the barrier effect of transverse wall, mud scum is sent to sparge pipe import by gas by accumulation, by the sharply variation of reaction zone cross section and sparge pipe cross section, producing high velocity liquid stream penetrates from sparge pipe outlet, form powerful shearing force, at the bubbles attached of a side separating particles Sludge Surface of broken mud mud sinking chamber sludge circulation cylinder, eliminate granule sludge air bag, recover the settling property of granule sludge, and make broken sludge settling to transverse wall at the opposite side of broken mud mud sinking chamber sludge circulation cylinder, and return to reaction zone by suction pipe, complete " collection-fragmentation-sedimentation-returning " circulation of granule sludge.The gas that granule sludge discharges enters air chamber, arranges outward by vapor pipe.Broken backflowing of mud mud sinking chamber enters annular settling tank by flow guiding slit, and after mud-water separation, mud returns to transverse wall, and clear water is arranged outward by overflow weir.Enter the power of sparge pipe generation jet from the aerogenesis of reaction zone owing to promoting mixed solution, pull mud to enter suction pipe and return to the power of reaction zone from the negative pressure of sparge pipe jet generation, whole sludge circulation process is carried out automatically, without exogenous power.
Claims (7)
1. a bio-reactor based on the circulation of mud scum automatic pulverizing, is characterized in that it comprises the disengaging zone (I), reaction zone (II), cloth pool (III) that connect in turn; Disengaging zone (I) comprises venting port (1), air chamber (2), water outlet (3), sludge circulation bucket (4), annular settling tank (5), flow guiding slit (6), sparge pipe (7), transverse wall (8), mud scum collecting chamber (9), suction pipe (10); Disengaging zone (I) is provided with venting port (1), air chamber (2), water outlet (3), sludge circulation bucket (4), transverse wall (8), mud scum collecting chamber (9) from top to bottom in turn, on transverse wall (8), be installed with sparge pipe (7), be provided with suction pipe (10) at transverse wall (8) lower surface, outside air chamber (2), sludge circulation bucket (4), be provided with annular settling tank (5), annular settling tank (5) top is provided with water outlet (3), annular settling tank (5) lower end is provided with flow guiding slit (6), and cloth pool (III) bottom is provided with water distributor (11).
2. a bio-reactor circulating based on mud scum automatic pulverizing according to claim 1, it is characterized in that described air chamber (2), sludge circulation bucket (4) are cylindric, the height of air chamber (2) is 5-10cm, and the height of sludge circulation bucket (4) is 10-40cm.
3. a bio-reactor circulating based on mud scum automatic pulverizing according to claim 1, is characterized in that the height of described flow guiding slit (6) is 2-6cm.
4. a bio-reactor circulating based on mud scum automatic pulverizing according to claim 1, is characterized in that described suction pipe (10) length is 1-5cm.
5. a bio-reactor circulating based on mud scum automatic pulverizing according to claim 1, is characterized in that described mud scum collecting chamber (9) is cylindric, is made up of transverse wall (8) and suction pipe (10) place, lower end plane.
6. a bio-reactor circulating based on mud scum automatic pulverizing according to claim 1, it is characterized in that described sparge pipe (7) diameter of section: reaction zone (II) diameter of section=1:4-1:10, sparge pipe (7) stretches to sludge circulation bucket (4) by transverse wall (8), sparge pipe (7) outlet and transverse wall (8) 2-8cm apart, it is upper along 1-3cm that sparge pipe (7) outlet exceeds flow guiding slit (6), sparge pipe (7) import is stretched to reaction zone (II) by transverse wall (8), and sparge pipe (7) import and transverse wall (8) are at a distance of 1-4cm.
7. a bio-reactor circulating based on mud scum automatic pulverizing according to claim 1, it is characterized in that described suction pipe (10) diameter of section: reaction zone (II) diameter of section=1:4-1:10, suction pipe (10) import and transverse wall (8) maintain an equal level, suction pipe (10) outlet and transverse wall (8) 4-10cm apart.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008858.8A CN103043778B (en) | 2013-01-10 | 2013-01-10 | Bioreactor based on automatic float sludge breaking and circulation |
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| CN201310008858.8A CN103043778B (en) | 2013-01-10 | 2013-01-10 | Bioreactor based on automatic float sludge breaking and circulation |
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| CN103043778B true CN103043778B (en) | 2014-06-11 |
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| AU2016275066B2 (en) * | 2015-06-10 | 2020-09-10 | Parabel Nutrition, Inc. | Apparatuses, methods, and systems for cultivating a microcrop involving a floating coupling device |
| CN114436396A (en) * | 2022-01-05 | 2022-05-06 | 安阳工学院 | Anaerobic ammonia oxidation granular sludge stable operation device and anaerobic ammonia oxidation stable operation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203173879U (en) * | 2013-01-10 | 2013-09-04 | 浙江大学 | Biological reactor based on automatic float sludge crushing and circulating |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60220194A (en) * | 1984-04-18 | 1985-11-02 | Kurita Water Ind Ltd | Anaerobic treatment apparatus |
| IL108556A (en) * | 1993-02-15 | 1996-12-05 | Mackrle Svatopluk | Reactor for biological sewage purification |
| JP2003024981A (en) * | 2001-07-16 | 2003-01-28 | Kurita Water Ind Ltd | Biological denitrification method and biological denitrification apparatus |
| JP4720709B2 (en) * | 2005-11-07 | 2011-07-13 | 栗田工業株式会社 | Bioreactor |
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| CN203173879U (en) * | 2013-01-10 | 2013-09-04 | 浙江大学 | Biological reactor based on automatic float sludge crushing and circulating |
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