CN203715369U - Multistage gas stripping-separation integrated aerobic granular sludge reactor - Google Patents
Multistage gas stripping-separation integrated aerobic granular sludge reactor Download PDFInfo
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- CN203715369U CN203715369U CN201420102444.1U CN201420102444U CN203715369U CN 203715369 U CN203715369 U CN 203715369U CN 201420102444 U CN201420102444 U CN 201420102444U CN 203715369 U CN203715369 U CN 203715369U
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- gas
- air lift
- sludge bulking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model provides a multistage gas stripping-separation integrated aerobic granular sludge reactor. The multistage air stripping-separation integrated aerobic granular sludge reactor comprises a pond and a gas-liquid separation tank, wherein at least two sludge bulking gas stripping regions are arranged in the pond at intervals from bottom to top, and aerators are arranged in all other sludge bulking gas stripping regions except the sludge bulking gas stripping region of the bottommost layer; a settling region and an effluent weir are arranged in the pond at the upper part, and a water distribution pipe and a dredge pipe are arranged at the bottom of the pond; a gas stripping pipe and a return pipe are arranged in the pond, the upper end of the gas stripping pipe extends into the gas-liquid separation tank and is connected with the liquid inlet of the gas-liquid separation tank, while the lower end of the gas stripping pipe extends into the bottommost sludge bulking gas stripping region, the gas stripping pipe is provided with extracting openings in all sludge bulking gas stripping regions, and the return pipe is connected between the gas-liquid separation tank and the bottommost sludge bulking gas stripping region. The multistage gas stripping-separation integrated aerobic granular sludge reactor realizes multistage gas stripping-separation integration by virtue of multistage gas-liquid stripping circulation and gas-solid-liquid separation, and is quick in gas-liquid circulation, high in mass transfer efficiency and capable of quickly generating aerobic granular sludge in the operation process.
Description
Technical field
The utility model relates to a kind of for municipal administration, aerobic reaction device During Industrial Wastewater Treatment Process mesophytization treatment stage, belongs to waste water aerobic reaction treatment technical field.
Background technology
The various aerobic reaction wastewater processing technologies of present stage use are mainly activated sludge process, SBR, CASS, A/0, A/A/O, A/A/A/O etc. both at home and abroad, general pond is deeply highly less than 6 meters, COD volumetric loading is less than 1kgCOD.m3.d conventionally, floc sludge when start-up and operation.Above technology floor space is large, and investment is large, and the construction period is long, operational management is comparatively complicated, is difficult to be suitable for high density water quality and sewage that can biochemical difference.
Chinese patent literature CN103332784A discloses a kind of " three grades of circulation aerobic reactors ", in the body of pond, be divided into successively from bottom to top taper sludge bulking district, aerobic reactor zone, hypoxia response district, sedimentation and filtration floor, the top of aerobic reactor zone is provided with one-level gas-solid-liquid disengaging zone, the top in hypoxia response district is provided with secondary gas-solid-liquid disengaging zone, and two-stage gas-solid-liquid is provided with triphase separator in disengaging zone; Mixing wastewater with air liquid in taper sludge bulking district is promoted to knockout drum, the circulation of formation one-level, the gas-liquid in aerobic reactor zone rises along stripping tube, forms secondary circulation, waste water through secondary gas-solid-liquid disengaging zone refluxes to the base injcction of aerobic reactor zone, forms three grades of circulations.Start fast, can in operational process, comparatively fast generate aerobic particle mud although this reactor has floc sludge, ammonia nitrogen can be effectively solved and mud decrement can be carried out, but can not make muddy water mixed solution in the pond air lift of participating in the overall process, mass transfer effect and water treatment effect and efficiency all await further raising, need to arrange multiple triphase separators simultaneously, complex structure, cost is high.In addition, bubble in gas-liquid can produce " panting " (stream while breaking when gas-liquid) phenomenon while making gas-liquid operation, the gas-liquid promoting due to stripping tube is entered by the bosom of gas water separation tank, this in gas water separation tank " panting " phenomenon cannot be eliminated, will impact gas water separation tank inwall, gas-liquid separation effect and efficiency are poor, also can impact the work-ing life of gas water separation tank simultaneously.
Summary of the invention
The deficiency that the utility model exists for existing aerobe reactor technology, provide a kind of energy consumption low, can in operational process, generate fast aerobic particle mud, treatment effect well also can save multistage air lift and the isolation integral aerobic granular sludge reactor of second pond.
Multistage air lift of the present utility model and isolation integral aerobic granular sludge reactor, adopt following technical proposals:
This device, comprise pond body and knockout drum, knockout drum is arranged on the top of pond body, is arranged at intervals with from bottom to top at least two sludge bulking air lift districts in the body of pond, in other sludge bulking air lift district except orlop sludge bulking air lift district, is provided with aeration tube; Sludge bulking air lift district is that gutter spout funnel and cone-shaped hood positioned opposite form, and gutter spout funnel is arranged on cone-shaped hood periphery, is provided with up-flow seam between cone-shaped hood and gutter spout funnel; The top that body inherence, pond is gone up a sludge bulking air lift district is most provided with sedimentation and filtration district, and the bottom of pond body is provided with the water distributor stretching in the most next sludge bulking air lift district; The top in sedimentation and filtration district is provided with effluent weir, and effluent weir is provided with rising pipe; In the body of pond, be provided with stripping tube and return line, stripping tube is through each sludge bulking air lift district, its upper end is stretched in knockout drum, lower end is stretched in the most next sludge bulking air lift district, stripping tube is provided with extract mouth in each sludge bulking air lift district, return line upper end is connected with the bottom of knockout drum, and communicates with knockout drum inside, and lower end extend into the top in the most next sludge bulking air lift district; Knockout drum is scroll casing shape, is provided with helical channel in spiral case, and the arranged outside of helical channel has fluid inlet, and the upper end of stripping tube is connected with this fluid inlet by pipe connecting, and the top of knockout drum is provided with venting port; The bottom of pond body is provided with shore pipe.
Oxygenic aeration mode has multiple choices, can blast aeration, can jet-flow aeration, and can also air blast add jet-flow aeration.
When operation, sewage enters the most next sludge bulking air lift district from water distributor, the most next sludge bulking air lift district is hypoxia response, all the other sludge bulking air lift districts are aerobic reaction, and by aeration, under the effect of ambient pressure, the gas-liquid in each sludge bulking air lift district arrives knockout drum along stripping tube, air release in knockout drum, muddy water mixed solution returns to again body bottom, pond along return line under the effect of gravity, again forms gas-liquid through aeration zone, carries out air lift.Clear liquid is external by effluent weir discharge pond after filter in sedimentation and filtration district, and the granule sludge that pond body produces is regularly discharged outside pond through shore pipe.Meanwhile, the gutter spout funnel in each sludge bulking air lift district all participates in again gas-solid-liquid with cone-shaped hood and separates, and granule sludge stops and hold back through gutter spout funnel and cone-shaped hood, and gas and muddy water mixed solution are sewed on liter along up-flow between the two, form multistage gas-solid-liquid and separate in the body of pond.
The utility model is provided with the multi-stage gas-liquid air lift gentle solid-liquid separation that circulates, realized multistage air lift with separate integrated, save the triphase separator in the body of pond, gas-liquid cycle is fast, good separating effect, " panting " phenomenon while having eliminated gas-liquid operation, gas-liquid cycle is fast, and mass-transfer efficiency is high, floc sludge starts fast, can in operational process, generate fast aerobic particle mud, the production rate of granule sludge is high, and processing energy consumption is low, efficiency is high, stable effluent quality, and saved construction and the sapce charge use of second pond, simple to operate, operation is convenient.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the cutaway view Amplified image of A-A line in Fig. 1.
In figure: 1, Chi Ti, 2, gutter spout funnel, 3, cone-shaped hood, 4, return line, 5, stripping tube, 6, extract mouth, 7, sedimentation and filtration district, 8, rising pipe, 9, effluent weir, 10, knockout drum, 11, venting port, 12, inlet pipe, 13, water distributor, 14, shore pipe, 15, aeration tube, 16, spiral case, 17, helical channel, 18, pipe connecting.
Embodiment
As shown in Figure 1, multistage air lift of the present utility model and isolation integral aerobic granular sludge reactor, mainly comprise pond body 1 and knockout drum 10, and knockout drum 10 is arranged on the top of pond body 1.Pond body 1 adopts steel construction, and whole structures are column, and upper end is uncovered, and plural sludge bulking air lift district (be decorated with four in Fig. 1, quantity can according to specific requirement setting) is set in it from bottom to top.Sludge bulking air lift district is a uncovered gutter spout funnel 2 and forming to cone-shaped hood 3 positioned opposite of lower open mouth upwards, and gutter spout funnel 2 is arranged on the outside of cone-shaped hood 3 and is fixed on pond body 1 inwall, leaves the current up-flow seam of muddy water between cone-shaped hood 3 and gutter spout funnel 2.The top of going up a sludge bulking air lift district is most provided with sedimentation and filtration district 7, and the top in sedimentation and filtration district 7 is provided with effluent weir 9, and effluent weir 9 is provided with rising pipe 8.The bottom of pond body 1 is provided with the water distributor 13 stretching in the most next sludge bulking air lift district.In pond body 1, be provided with stripping tube 5 and Duo Gen return line 4, stripping tube 5 is through each cone-shaped hood, and its upper end is stretched in knockout drum 10, and lower end is stretched in the most next sludge bulking air lift district, and stripping tube is provided with extract mouth 6 in each sludge bulking air lift district.Mud and waste water mixed solution in each sludge bulking air lift district are promoted to knockout drum 10 by stripping tube 5, by efficient mass transfer, reaches the object of granule sludge Fast Growth.The upper end of every return line 4 is connected with the bottom of knockout drum 10, and communicates with knockout drum inside, and lower end extend into the top in the most next sludge bulking air lift district.Stripping tube 5 and return line 4 are connected and fixed with each cone-shaped hood.Muddy water after gas-liquid separation flows back to the bottom of pond body 1 certainly through return line 4.The bottom of pond body 1 is provided with shore pipe 14, can on shore pipe 14, be provided with control valve, forms sludge drainage system, opens control valve when spoil disposal, discharges by self-pressure.
In other sludge bulking air lift district except orlop sludge bulking air lift district, be provided with aeration tube 15, making in orlop sludge bulking air lift district is hypoxia response, in all the other sludge bulking air lift districts, is aerobic reaction.Each aeration tube 15 is connected with outside inlet pipe 12, and aeration tube 15 can be connected with inlet pipe 12 by jet pipe, on jet pipe with ejector.Aerator 15 adopts jet-flow aeration, for air is provided in aerobic reactor zone.Aeration mode also can adopt blast aeration or air blast to add jet-flow aeration.Make by aeration to form density difference with the external world all the time in the sludge bulking air lift district of each aerobic reaction, ensure to carry out continuously air lift, and form density difference with the external world all the time by the biogas producing in the sludge bulking air lift district of the superiors of hypoxia response, ensure that the gas-liquid in it is carried out air lift continuously.
The profile of knockout drum 10 is scroll casing shape, as shown in Figure 2, in spiral case 16, be provided with helical channel 17, the arranged outside of helical channel 17 has fluid inlet, the upper end of stripping tube 5 is connected with this fluid inlet by pipe connecting 18, pipe connecting 18 one end are connected with the upper end of stripping tube 5 in spiral case 16, and one end is stretched out outside spiral case 16 and is connected with fluid inlet.The top of knockout drum 10 is provided with venting port 11.
The operational process of said apparatus is as described below:
Waste water enters the most next sludge bulking air lift district from water distributor 13, air is brought in the sludge bulking air lift district of aerobic reaction of pond body 1 by inlet pipe 12 and aeration tube 15 simultaneously, in the body of pond, the density of mixed solution reduces, form obvious density difference with the external world, and form density difference with the external world all the time by the biogas producing in the orlop sludge bulking air lift district of anaerobic reaction, so the gas-liquid under the effect of ambient pressure in each sludge bulking air lift district upwards promotes along stripping tube 5, waste water in the most next sludge bulking air lift district enters stripping tube 5 by the lower port of stripping tube 5, waste water in all the other sludge bulking air lift districts enters stripping tube 5 by the extract mouth 6 on stripping tube 5, enter in knockout drum 10 through the pipe connecting 18 being connected with stripping tube 5.At the interior air release of knockout drum 10 and discharge by venting port 11, water and mud mixed liquid (muddy water mixed solution) return to again pond body along return line 4 under the effect of gravity.Because gas-liquid enters along helical channel 17 spirals knockout drum 10 is interior, bubble moment rapid, high volume discharges, and has improved gas-liquid separation effect and efficiency, the phenomenon of panting while having avoided gas-liquid separation, can not impact knockout drum 10, improve its work-ing life.Gas upwards moves, and is discharged by venting port 11.It is external that clear liquid is discharged pond through settling region 7 and effluent weir 9 along rising pipe 8, and mud to sedimentation at the bottom of pond, is regularly discharged outside pond through shore pipe 15 under the effect of gravity.
In the air lift process of gas-liquid in each sludge bulking air lift district by stripping tube 5, gas-liquid in each sludge bulking air lift district rises, make to form negative pressure in sludge bulking air lift district, the muddy water mixed solution being refluxed by pond body bottom supplements (upwards being moved by the gap between cone-shaped hood 3 and gutter spout funnel 2) from bottom to top fast.Each sludge bulking air lift district all participates in muddy water and mixes and mass transfer, gas-liquid cycle is fast, the organic waste water of high density fully contacts with microorganism at short notice, for the Fast-propagation of particulate matter provides sufficient nutrient material, promote biological self reproducing, simultaneously by high speed shear with wash away, greatly improve mixing efficiency and mass-transfer efficiency, formed fast aerobic particle mud.In each sludge bulking air lift district, microorganism and the abundant absorption degradation of organic pollutant, all participate in the removal of pollutent.Whole system starts fast, and the production rate of granule sludge is high.
Simultaneously, gutter spout funnel 2 in each sludge bulking air lift district all participates in again gas-solid-liquid with cone-shaped hood 3 and separates, granule sludge stops and holds back through gutter spout funnel 2 and cone-shaped hood 3, gas and muddy water mixed solution are sewed on liter along up-flow between the two, in the body of pond, forming from bottom to top so multistage gas-solid-liquid separates, avoid the separation of pre-existing reactors gas-solid-liquid to concentrate on region of pond body and caused the not good enough problem of separating effect, greatly improved separating effect and efficiency.Realized multistage air lift with separate integrated, whole pond body participates in mass transfer gentle solid-liquid separation.
Claims (1)
1. a multistage air lift and isolation integral aerobic granular sludge reactor, comprise pond body and knockout drum, it is characterized in that: knockout drum is arranged on the top of pond body, in the body of pond, be provided with from bottom to top at least two sludge bulking air lift districts, in other sludge bulking air lift district except orlop sludge bulking air lift district, be provided with aeration tube; Sludge bulking air lift district is that gutter spout funnel and cone-shaped hood positioned opposite form, and gutter spout funnel is arranged on cone-shaped hood periphery, is provided with up-flow seam between cone-shaped hood and gutter spout funnel; The top that body inherence, pond is gone up a sludge bulking air lift district is most provided with sedimentation and filtration district, and the bottom of pond body is provided with the water distributor stretching in the most next sludge bulking air lift district; The top in sedimentation and filtration district is provided with effluent weir, and effluent weir is provided with rising pipe; In the body of pond, be provided with stripping tube and return line, stripping tube is through each sludge bulking air lift district, its upper end is stretched in knockout drum, lower end is stretched in the most next sludge bulking air lift district, stripping tube is provided with extract mouth in each sludge bulking air lift district, return line upper end is connected with the bottom of knockout drum, and communicates with knockout drum inside, and lower end extend into the top in the most next sludge bulking air lift district; Knockout drum is scroll casing shape, is provided with helical channel in spiral case, and the arranged outside of helical channel has fluid inlet, and the upper end of stripping tube is connected with this fluid inlet by pipe connecting, and the top of knockout drum is provided with venting port; The bottom of pond body is provided with shore pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102444.1U CN203715369U (en) | 2014-03-07 | 2014-03-07 | Multistage gas stripping-separation integrated aerobic granular sludge reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102444.1U CN203715369U (en) | 2014-03-07 | 2014-03-07 | Multistage gas stripping-separation integrated aerobic granular sludge reactor |
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| Publication Number | Publication Date |
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| CN203715369U true CN203715369U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420102444.1U Withdrawn - After Issue CN203715369U (en) | 2014-03-07 | 2014-03-07 | Multistage gas stripping-separation integrated aerobic granular sludge reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880167A (en) * | 2014-03-07 | 2014-06-25 | 许中华 | Multi-stage air stripping and separation integrated aerobic granular sludge reactor |
| CZ307677B6 (en) * | 2014-10-10 | 2019-02-13 | ASIO NEW, spol. s r.o. | Biological wastewater treatment plant |
-
2014
- 2014-03-07 CN CN201420102444.1U patent/CN203715369U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880167A (en) * | 2014-03-07 | 2014-06-25 | 许中华 | Multi-stage air stripping and separation integrated aerobic granular sludge reactor |
| CZ307677B6 (en) * | 2014-10-10 | 2019-02-13 | ASIO NEW, spol. s r.o. | Biological wastewater treatment plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |