CN202080989U - Intermittent inflation composite hydrolytic treatment device - Google Patents
Intermittent inflation composite hydrolytic treatment device Download PDFInfo
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- CN202080989U CN202080989U CN2011201906015U CN201120190601U CN202080989U CN 202080989 U CN202080989 U CN 202080989U CN 2011201906015 U CN2011201906015 U CN 2011201906015U CN 201120190601 U CN201120190601 U CN 201120190601U CN 202080989 U CN202080989 U CN 202080989U
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Abstract
The utility model discloses an intermittent inflation composite hydrolytic treatment device comprising a pulse water distribution device, a water collecting device, a water outlet pipeline, a vertical pipe water distribution system, a sludge layer area, a muddy water separation area and a biological padding area. A device body is sequentially provided with the pulse water distribution device, the water collecting device, the biological padding area, the muddy water separation area and the sludge layer area from the top down, the water collecting device is provided with the water outlet pipeline, and the vertical pipe water distribution system is arranged in the sludge layer area. Sewage first enters the pulse water distribution system, and is instantly distributed at the bottom of the device through the water distribution system at the bottom of a reactor, and the sewage and bottom sludge are intensely mixed so that the sludge layer expands. After water distribution ends, the sludge layer shrinks to original position. Consequently, one cycle of 'expansion-shrinkage-expansion' is completed. After passing through the sludge layer and the padding area, the sewage flows out of the water outlet pipeline through the water collecting device. The device is high in hydrolytic efficiency, simple, low in consumption and available for pretreatment of industrial sewage unlikely to be degraded and comprehensive town sewage.
Description
Technical field
The utility model belongs to technical field of sewage, relates in particular to a kind of sewage hydrolyzing acidification treater.
Background technology
Anaerobic hydrolysis technology utilization heterotroph facultative bacteria is converted into the larger molecular organics of difficult degradation in the waste water small organic molecule of easy degraded, the organism of complexity is transformed into simple organism, insoluble organism is converted into deliquescent organism, form organic acid, alcohols, aldehydes etc., improve the biodegradability of waste water, for follow-up treatment process creates favorable conditions.The excess sludge that aerobic process is produced can be back to anaerobic fixed film reactor and digests simultaneously, cuts down the biochemical sludge amount, and for denitrification provides carbon source, thereby reduce cost of sewage disposal.
According to practice in engineering, the anaerobic hydrolysis-acidification effect depends on some:
1. sludge concentration and activity;
2. good muddy water mixes;
3. enough hydraulic detention times and suitable mud are retained mode;
For satisfying above-mentioned requirements, up-flow anaerobic mud bed (UASB), anaerobic expanded granular sludge bed (EGSB), IC reactor etc. arise at the historic moment based on the reactor of anaerobic grain sludge, UASB reactor upflow velocity＜3 m/h, load as its muddy water blended power with aerogenesis, the SS clearance is higher, is applicable to biochemical high-concentration waste water preferably; The EGSB reactor adopts effluent recycling to improve its upflow velocity, and muddy water mixes fully, and low concentration wastewater is handled in being applicable to, but has increased power consumption, and the SS clearance is lower; The IC reactor adopts gas load as its muddy water hybrid power equally, is only applicable to middle and high concentration organic waste water.In addition, above-mentioned reactor is all based on anaerobic grain sludge, need three complicated tripping devices, and the granule sludge nutrition supply requires relatively harshness, water-fast power, water quality load impact ability, careless slightly, will cause the broken loss of anaerobic grain sludge, cause system handles usefulness variation and even collapse.According to investigation to China's anaerobic reactor actual operating state, most of initial stage with the reactor of granule sludge inoculation after operation for some time, owing to reason granule sludges such as impact are most of broken, mud is based on cotton-shaped in the system, and operational efficiency and design load differ greatly.Therefore, limited the application of above-mentioned anaerobic reactor in indegradable industrial effluent.
CN101003404A discloses a kind of upward flow type composite anaerobic hydrolysis and acidification treater and method thereof.This is a kind of acidication device that activated sludge process and biomembrance process are combined, on reactor top the packing area is set, prevent sludge loss, improve the top sludge concentration simultaneously, three tripping devices have been omitted, being provided with simultaneously refluxes improves the flow velocity of water inlet, makes reactor can be used for the processing of middle low concentration wastewater.
Summary of the invention
The purpose of this utility model be for overcome existing hydrolysis anaerobic reaction device range of application narrow (being used for middle and high concentration waste water), complex structure, easily obstruction, power consumption height more, to problems such as granule sludge too rely on, a kind of sewage hydrolyzing acidification treater is provided.
The composite hydrolysis treatment unit that intermittently expands comprises pulse water distribution device, captation, outlet pipeline, vertical tube water distribution system, sludge blanket district, mud-water separation district and biologic packing material district; Device body is provided with pulse water distribution device, captation, biologic packing material district, mud-water separation district, sludge blanket district from top to bottom successively, and captation is provided with outlet pipeline, is provided with the vertical tube water distribution system in the sludge blanket district.
Described pulse water distribution device is a siphon pulse tunable arrangement, and the recurrence interval is 1-20 min, water distribution time 10-60 s.Described water distribution system is made up of distributing main, range pipe, water distribution vertical tube, and wherein every water distribution vertical tube length is 2-6 m, and the service area of water distribution vertical tube is 1-4 m
2, the distance of water distribution vertical tube lower end and device body bottom is 20-50 cm, it is 2-10 m/s that the water distribution vertical tube mouth of pipe goes out water flow velocity.Described mud district height is 3-10 m, and sludge concentration is 10-30 g/L.The height in described biologic packing material district is 1.5-4 m.
The utility model can improve the solvability of hydrolysis anaerobic device and treatment effect, the reduction working cost of non-dissolving row organism and SS, reduce dependence simultaneously, the processing of low-concentration industrial waste water and the processing of comprehensive town sewage in can being widely used in to anaerobic grain sludge.
Description of drawings
Fig. 1 is the structural representation of composite hydrolysis treatment unit of intermittently expanding;
Among the figure, pulse water distribution device 1, captation 2, outlet pipeline 3, vertical tube water distribution system 4, sludge blanket district 5, mud-water separation district 6, biologic packing material district 7.
Embodiment
Reach embodiment in conjunction with the accompanying drawings and describe the utility model in detail
As shown in Figure 1, the composite hydrolysis treatment unit that intermittently expands comprises pulse water distribution device 1, captation 2, outlet pipeline 3, vertical tube water distribution system 4, sludge blanket district 5, mud-water separation district 6 and biologic packing material district 7; Device body is provided with pulse water distribution device 1, captation 2, biologic packing material district 7, mud-water separation district 6, sludge blanket district 5 from top to bottom successively, and captation 2 is provided with outlet pipeline 3, is provided with vertical tube water distribution system 4 in sludge blanket district 5.
Described pulse water distribution device 1 is siphon pulse tunable arrangement, and the recurrence interval is 1-20 min, water distribution time 10-60 s.Described water distribution system 4 is made up of distributing main, range pipe, water distribution vertical tube, and wherein every water distribution vertical tube length is 2-6 m, and the service area of water distribution vertical tube is 1-4 m
2, the distance of water distribution vertical tube lower end and device body bottom is 20-50 cm, it is 2-10 m/s that the water distribution vertical tube mouth of pipe goes out water flow velocity.Described mud district 5 highly is 3-10 m, and sludge concentration is 10-30 g/L.The height in described biologic packing material district 7 is 1.5-4 m.
The composite hydrolysis treatment process that intermittently expands is: it is characterized in that sewage at first enters pulse water distribution device 1, sewage is 1-20 min in the residence time of pulse water distribution device, water distribution system 4 moment in 10-60 s by reactor bottom is distributed into bottom of device, water distribution process sewage moment upflow velocity is 0-12 m/h, sewage acutely mixes with the bottom of device sludge blanket, and sludge blanket is expanded, in expansion process, in the sewage organism with the device in microorganism fully contact, thereby raising mass-transfer efficiency, and then the removal effect of raising dissolved organic matter, pulse water distribution device 1 water distribution finishes the back sludge blanket and shrinks under action of gravity, catch the suspension organism of holding back under the effect in the water at absorption and net, sludge blanket falls after rise to the original position, then finish the circulation of " expansion-contraction-expansion ", sewage is removed most organism and suspended substance after gas is carried out in the packing area by sludge blanket, liquid, Gu three separation, and remove the remaining organism of part after captation 2 is collected into outlet pipeline 3 outflows, dwell time of sewage is 4-50 h, the least quantity that the each water distribution water yield of pulse water distribution device is should be when sludge blanket is expanded required.
Embodiment 1
With comprehensive town sewage is process object, and wherein trade effluents such as printing and dyeing, chemical industry account for more than 90% of total inflow, reaction unit diameter 1.9 m, virtual height 6.5 m, useful volume 16.5 m3, the water distribution cycle is 5 min, water distribution times 20 s, device as shown in Figure 1.
The vertical tube water distribution system, its vertical tube length 3 m, mouth of pipe flow velocity is greater than 2.5 m/s.
Mud district height 4 m, floc sludge inoculation, sludge concentration 12 g/L, packing area height 1.5 m.
Sewage HRT 16 h, sewage moment upflow velocity 6 m/h.
At water inlet COD 900-1300 mg/L, under the SS 500-800 mg/L condition, sludge concentration and height for reactor are linear in 1-4 m scope; COD clearance about 20%; The B/C value is brought up to about 0.42 by 0.33, SS clearance 65-80%.Test-results shows: adopt the composite hydrolysis anaerobic reactor that intermittently expands to handle comprehensive town sewage, when removing the part organic pollutant and improving Biodegradability of Wastewater, can effectively remove the SS content in the waste water, therefore, can be widely used in the improvement of comprehensive town sewage.
Embodiment 2
Handle bio-pharmaceuticals waste water, reaction unit 8 * 8 m, virtual height 9 m, the water distribution cycle is 6 min, water distribution times 15 s, device is as shown in Figure 1.
The vertical tube water distribution system, its vertical tube length 4 m, mouth of pipe flow velocity 2 m/s.
Mud district height 5 m, floc sludge inoculation, sludge concentration 10 g/L, packing area height 3 m.
Sewage moment upflow velocity 8.9 m/h.
Water inlet COD 7000-15000 mg/L, SS 600-1000 mg/L, pH5-7, under normal temperature condition, device water outlet COD clearance 70-90%, SS clearance be greater than 60%, pH7-8.Operation result shows: adopt the composite hydrolysis anaerobic reactor place high density pharmacy sewage that intermittently expands, and simple in structure, treatment effect good, working cost is low, convenient management, therefore, can be widely used in the processing of high-concentration organic industrial waste water.
Claims (5)
1. the composite hydrolysis treatment unit that expands an intermittence is characterized in that comprising pulse water distribution device (1), captation (2), outlet pipeline (3), vertical tube water distribution system (4), sludge blanket district (5), mud-water separation district (6) and biologic packing material district (7); Device body is provided with pulse water distribution device (1), captation (2), biologic packing material district (7), mud-water separation district (6), sludge blanket district (5) from top to bottom successively, captation (2) is provided with outlet pipeline (3), is provided with vertical tube water distribution system (4) in sludge blanket district (5).
2. the composite hydrolysis treatment unit that expands a kind of intermittence according to claim 1 is characterized in that described pulse water distribution device (1) is a siphon pulse tunable arrangement, and the recurrence interval is 1-20 min, water distribution time 10-60 s.
3. the composite hydrolysis treatment unit expands a kind of intermittence according to claim 1, it is characterized in that described water distribution system (4) is made up of distributing main, range pipe, water distribution vertical tube, wherein every water distribution vertical tube length is 2-6 m, and the service area of water distribution vertical tube is 1-4 m
2, the distance of water distribution vertical tube lower end and device body bottom is 20-50 cm, it is 2-10 m/s that the water distribution vertical tube mouth of pipe goes out water flow velocity.
4. the composite hydrolysis treatment unit that expands a kind of intermittence according to claim 1 is characterized in that described mud district (5) highly is 3-10 m, and sludge concentration is 10-30 g/L.
5. the composite hydrolysis treatment unit that expands a kind of intermittence according to claim 1, the height that it is characterized in that described biologic packing material district (7) is 1.5-4 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201906015U CN202080989U (en) | 2011-06-08 | 2011-06-08 | Intermittent inflation composite hydrolytic treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201906015U CN202080989U (en) | 2011-06-08 | 2011-06-08 | Intermittent inflation composite hydrolytic treatment device |
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| Publication Number | Publication Date |
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| CN202080989U true CN202080989U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201906015U Expired - Fee Related CN202080989U (en) | 2011-06-08 | 2011-06-08 | Intermittent inflation composite hydrolytic treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241434A (en) * | 2011-06-08 | 2011-11-16 | 浙江省环境保护科学设计研究院 | Intermittent expansion composite hydrolysis treatment device and method |
| CN104402114A (en) * | 2014-10-16 | 2015-03-11 | 长业环保集团有限公司 | Sewage hydrolysis acidification treatment apparatus |
-
2011
- 2011-06-08 CN CN2011201906015U patent/CN202080989U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241434A (en) * | 2011-06-08 | 2011-11-16 | 浙江省环境保护科学设计研究院 | Intermittent expansion composite hydrolysis treatment device and method |
| CN104402114A (en) * | 2014-10-16 | 2015-03-11 | 长业环保集团有限公司 | Sewage hydrolysis acidification treatment apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20190608 |