CN203768113U - Carbon storage reinforcement denitrification granular sludge treatment device - Google Patents
Carbon storage reinforcement denitrification granular sludge treatment device Download PDFInfo
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- CN203768113U CN203768113U CN201320856783.4U CN201320856783U CN203768113U CN 203768113 U CN203768113 U CN 203768113U CN 201320856783 U CN201320856783 U CN 201320856783U CN 203768113 U CN203768113 U CN 203768113U
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Abstract
The utility model discloses a carbon storage reinforcement denitrification granular sludge treatment device. The granular sludge treatment device comprises a main body reactor, an aeration device and a stirring device, wherein a partition plate is mounted at the middle part of an inner cavity of the main body reactor; the inner cavity above the partition plate is an upper cavity, and the inner cavity below the partition plate is a lower cavity; a small hole is formed in the partition plate; an aeration head of the aeration device is positioned in the main body reactor and arranged above the partition plate; the aeration head is connected with a rotor flowmeter; the rotor flowmeter is connected with an air pump; the stirring device comprises a stirring paddle driven by the stirring shaft; the stirring paddle is positioned in the lower cavity; a water inlet is formed at the upper part of the upper cavity and connected with a submersible pump; the lower part of the upper cavity is connected with a water outlet through an electromagnetic valve; the bottom of the lower cavity is connected with a sludge outlet through a ball valve. The carbon storage reinforcement denitrification granular sludge treatment device disclosed by the utility model improves the denitrification efficiency.
Description
Technical field
The utility model belongs to sewage treatment area, relates to a kind of storage carbon strengthened denitrification granule sludge treatment unit.
Background technology
Along with improving constantly of the level of urbanization, the waste water that contains a large amount of nitrogen elements enters water body, destroyed water body ecosystem environment, the discharge that reduces nitrogen in municipal effluent is significant to controlling eutrophication and improving water body environment, and the feature that biological denitrificaion is simple with its technique, operation and maintenance cost is low is widely used in the treatment process of city and trade effluent.Traditional biological denitrificaion is comprised of nitrifying process and denitrification process two portions, and nitrifying process is under aerobic condition, and nitrococcus and nitrifier are nitrous acid nitrogen or nitrate nitrogen by mineralized nitrogen; Denitrification process is by denitrifying bacterium, under anaerobic environment, to take organic carbon source the nitrous acid nitrogen or the nitrate nitrogen that in nitrifying process, produce to be converted into nitrogen as electron donor.
Along with improving constantly of emission standard, Chinese most of urban wastewater treatment firms are because the not enough denitrification effect causing of carbon source is poor, and water outlet is difficult to problem up to standard and becomes increasingly conspicuous.Therefore carbon source is the important factor of restriction biological denitrificaion efficiency.In conjunction with to utilizing the analysis of summarizing of the achievement in research of inside and outside carbon source, because the organic loading of China's municipal effluent is generally not high, utilize former water internal carbon source to carry out denitrifying efficiencies of nitrogen removal generally bad, so needing the outer carbon source of consideration to supplement provides denitrification electron donor further to improve nitric efficiency.
Summary of the invention
In order to overcome the lower deficiency of nitric efficiency of existing denitrifying activated sludge, the utility model provides a kind of storage carbon strengthened denitrification granule sludge treatment unit that promotes nitric efficiency.
The utility model solves the technical scheme that its technical problem adopts:
A kind of storage carbon strengthened denitrification granule sludge treatment unit, described granule sludge treatment unit comprises main body reactor, aerating apparatus and whipping appts, dividing plate is installed at the inner chamber middle part of described main body reactor, inner chamber more than dividing plate is epicoele, inner chamber below dividing plate is cavity of resorption, on described dividing plate, have aperture, the aeration head of described aerating apparatus is positioned at described main body reactor and is arranged at the top of described dividing plate, described aeration head is connected with spinner-type flowmeter, and described spinner-type flowmeter is connected with air pump; Described whipping appts comprises the stirring rake that a stir shaft drives, described stirring rake is positioned at described cavity of resorption, the top of described epicoele has water-in, described water-in is connected with submersible pump, the bottom of described epicoele is connected with water outlet by magnetic valve, and the bottom of described cavity of resorption is connected with mud discharging mouth by ball valve.
Further, the inner chamber of described main body reactor is installed Water level controller.
Further, described dividing plate is circular dividing plate, and described aperture is square aperture.Certainly, can be also other shapes.
Described stirring rake is installed in the lower end of described stir shaft, and described stir shaft passes successively from top to bottom epicoele and dividing plate and stretches into described cavity of resorption.
The beneficial effects of the utility model are mainly manifested in: (1) aeration phase makes granule sludge appearance and the inherent difference of transmitting dissolved oxygen ability, cause its appearance and inherent different dissolved oxygen levels, formed the denitrogenation system of granule sludge synchronous nitration and denitrification, preliminary denitrogenation; (2) water inlet and anoxia stirring stage make granule sludge the carbon source in former water can be converted into internal carbon source to be stored in born of the same parents, for the denitrification of latter stage provides carbon source, further denitrogenation; (3) compare with tradition storage carbon type activated sludge apparatus; by improving the selection press strip parts such as sedimentation time; and the feasibility due to SBR granular sludge; from inoculation ordinary activated sludge; premenstruum, stage running was turned out the mature granular sludge that proterties is good; compare with the ordinary activated sludge of using in tradition storage carbon type activated sludge process, granule sludge has higher settling velocity, stronger storage carbon ability and denitrification effect preferably.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of storage carbon strengthened denitrification granule sludge treatment unit.
Fig. 2 is the schematic diagram of dividing plate.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
See figures.1.and.2, a kind of storage carbon strengthened denitrification granule sludge treatment unit, described granule sludge treatment unit comprises main body reactor 1, aerating apparatus and whipping appts 12, dividing plate 14 is installed at the inner chamber middle part of described main body reactor 1, more than 14 inner chamber of dividing plate is epicoele, the inner chamber of dividing plate below 14 is cavity of resorption, on described dividing plate 14, have aperture 15, the aeration head 8 of described aerating apparatus is positioned at described main body reactor 1 and is arranged at the top of described dividing plate 14, described aeration head 8 is connected with spinner-type flowmeter 9, and described spinner-type flowmeter 9 is connected with air pump 10; Described whipping appts 12 comprises the stirring rake 11 that a stir shaft drives, described stirring rake 11 is positioned at described cavity of resorption, the top of described epicoele has water-in 4, described water-in 4 is connected with submersible pump 5, the bottom of described epicoele is connected with water outlet 3 by magnetic valve 2, and the bottom of described cavity of resorption is connected with mud discharging mouth 7 by ball valve 6.
Further, the inner chamber of described main body reactor 1 is installed Water level controller 13.
Further, described dividing plate 14 is circular dividing plate, and described aperture 15 is square aperture.Certainly, can be also other shapes.
Described stirring rake 11 is installed in the lower end of described stir shaft, and described stir shaft passes successively from top to bottom epicoele and dividing plate and stretches into described cavity of resorption.
The storage carbon strengthened denitrification granule sludge treatment unit of the present embodiment comprises main body reactor 1, water inlet system, water exhaust system and sludge drainage system.Described main body reactor is separated into epicoele and cavity of resorption by circular dividing plate 14, has some square apertures 15 on circular dividing plate, and the abundant mixed effect of muddy water in the time of can meeting agitation phases can stop cavity of resorption granule sludge to enter upper half-space again when aeration phase.In described main body reactor 1, be provided with aerating apparatus and whipping appts 12, the long handle frosted aeration head 8 of aerating apparatus is arranged at circular dividing plate top, and described aeration head 8 is connected with air pump 10 by spinner-type flowmeter 9; Described whipping appts comprises the stirring rake 11 that a stir shaft drives, and described stirring rake is arranged at cavity of resorption.Through the granule sludge 16 of cultivating completely, be stored in cavity of resorption.The top of described epicoele is connected with submersible pump 5 by water-in 4, and flooding quantity is controlled by Water level controller 13; The bottom of described epicoele is connected with water outlet 3 by magnetic valve 2, and the bottom of described cavity of resorption connects by ball valve 6 and mud discharging mouth 7; Described water-in, water outlet, mud discharging mouth are connected with water inlet system, water exhaust system, sludge drainage system respectively.
The storage carbon strengthened denitrification granule sludge treatment unit operation operation of the present embodiment comprises into water, stirring, precipitation, aeration, secondary stirring, secondary sedimentation and 7 unit of water outlet.Specific as follows:
Former water enters main body reactor by submersible pump from water-in, and flooding quantity is controlled by Water level controller.Agitating unit: after water inlet, start whipping appts and stir, muddy water fully mixes.Precipitation unit: carry out mixed solution precipitation, mud-water separation after stirring.Aeration unit: the mixed solution of epicoele is carried out to aeration, control aeration rate by spinner-type flowmeter simultaneously.Secondary stirring unit: restart whipping appts, epicoele and cavity of resorption muddy water mixed solution are fully mixed by dividing plate square hole.Secondary sedimentation unit: make mud mixed liquid mud-water separation.Water unit: the supernatant liquor after mud-water separation is discharged through water outlet by solenoid control.
Claims (4)
1. one kind is stored up carbon strengthened denitrification granule sludge treatment unit, it is characterized in that: described granule sludge treatment unit comprises main body reactor, aerating apparatus and whipping appts, dividing plate is installed at the inner chamber middle part of described main body reactor, inner chamber more than dividing plate is epicoele, inner chamber below dividing plate is cavity of resorption, on described dividing plate, have aperture, the aeration head of described aerating apparatus is positioned at described main body reactor and is arranged at the top of described dividing plate, described aeration head is connected with spinner-type flowmeter, and described spinner-type flowmeter is connected with air pump; Described whipping appts comprises the stirring rake that a stir shaft drives, described stirring rake is positioned at described cavity of resorption, the top of described epicoele has water-in, described water-in is connected with submersible pump, the bottom of described epicoele is connected with water outlet by magnetic valve, and the bottom of described cavity of resorption is connected with mud discharging mouth by ball valve.
2. storage carbon strengthened denitrification granule sludge treatment unit as claimed in claim 1, is characterized in that: the inner chamber of described main body reactor is installed Water level controller.
3. storage carbon strengthened denitrification granule sludge treatment unit as claimed in claim 1 or 2, is characterized in that: described dividing plate is circular dividing plate, and described aperture is square aperture.
4. storage carbon strengthened denitrification granule sludge treatment unit as claimed in claim 1 or 2, is characterized in that: described stirring rake is installed in the lower end of described stir shaft, and described stir shaft passes successively from top to bottom epicoele and dividing plate and stretches into described cavity of resorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320856783.4U CN203768113U (en) | 2013-12-23 | 2013-12-23 | Carbon storage reinforcement denitrification granular sludge treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320856783.4U CN203768113U (en) | 2013-12-23 | 2013-12-23 | Carbon storage reinforcement denitrification granular sludge treatment device |
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| CN203768113U true CN203768113U (en) | 2014-08-13 |
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| CN201320856783.4U Expired - Fee Related CN203768113U (en) | 2013-12-23 | 2013-12-23 | Carbon storage reinforcement denitrification granular sludge treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626561A (en) * | 2019-02-02 | 2019-04-16 | 重庆大学 | Integral type preincubation-aerobic particle mud processing unit and its method |
| CN110652903A (en) * | 2019-09-24 | 2020-01-07 | 广东东荣金属制品有限公司 | Ultra-high-speed rotating multi-cutter-head gas-liquid cutting mixing oxygenator |
-
2013
- 2013-12-23 CN CN201320856783.4U patent/CN203768113U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626561A (en) * | 2019-02-02 | 2019-04-16 | 重庆大学 | Integral type preincubation-aerobic particle mud processing unit and its method |
| CN109626561B (en) * | 2019-02-02 | 2023-05-09 | 重庆大学 | Integrated pre-hatching-aerobic granular sludge treatment device and method thereof |
| CN110652903A (en) * | 2019-09-24 | 2020-01-07 | 广东东荣金属制品有限公司 | Ultra-high-speed rotating multi-cutter-head gas-liquid cutting mixing oxygenator |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20181223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |