CN104176886A - Micro power MBR sewage treatment device and method - Google Patents
Micro power MBR sewage treatment device and method Download PDFInfo
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- CN104176886A CN104176886A CN201410446392.4A CN201410446392A CN104176886A CN 104176886 A CN104176886 A CN 104176886A CN 201410446392 A CN201410446392 A CN 201410446392A CN 104176886 A CN104176886 A CN 104176886A
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Abstract
The invention relates to a micro power MBR sewage treatment device and method. The device comprises a grating, a regulating tank, an anoxic tank, a settling tank, an ecological wetland, and an MBR membrane reaction tank, wherein a sludge reflux pump is arranged in the settling tank and capable of conveying sludge in the settling tank into the regulating tank for treatment; the anoxic tank and the MBR membrane reaction tank are connected with air blowers, respectively; the MBR membrane reaction tank is connected with a cleaning device; two self-priming pumps are connected to the right end of the MBR membrane reaction tank; the self-priming pumps are controlled to be on and off and operate automatically according to the liquid level of the MBR membrane reaction tank. The device is good in operation effect, high in reliability, stable in quality of yielding water, and relatively low in operation cost. For treating sewage, the device is high in removal efficiency on pollutants and high in nitration capacity. The device is capable of performing nitration and denitrification simultaneously, has the functions of denitrification and dephosphorization, and is suitable for treating the sewage of husbandry, industrial wastewater, municipal sewage and the like; the yielding water can be recycled or directly emitted on standard; as a result, different requirements of different users can be met.
Description
Technical field:
The present invention relates to sewage disposal device field, relate in particular a kind of microkinetic MBR waste disposal plant and method.
Background technology:
For sanitary sewage disposal, the unpowered treatment unit of many employings in the past, it exists apparatus sewage sludge easily to stop up, and treatment effect is not good enough waits deficiency, substantially no longer adopts, and Oligodynamic equipment for treating household sewage has been widely used in sanitary sewage disposal now.
Bio-reactor (MBR) is the Novel sewage treatment technology that high performance membrane isolation technique combines with activated sludge process, can be used for municipal administration or Industrial Wastewater Treatment that organic content is higher.Although the application of the technology of aerobic MBR process can be traced back to 20 century 70s, it is also just incipient between in the past 10 years in the large-scale commercial applications application of sewage treatment area.Utilize the solid-liquid separation process that membrane module carries out to replace traditional settling process, can effectively remove solid suspended particle and organic granular, prepare sterilized water.Compared with traditional technology, MBR can make active sludge have higher MLSS value, extends its residence time in reactor, improves clearance and the organic degraded of nitrogen.MBR is modern, efficient water treatment device, can meet the ever-increasing demand of municipal wastewater treatment capacity, greatly improves the water quality after sewage disposal.
Summary of the invention:
The object of the invention is for the deficiencies in the prior art part, a kind of microkinetic MBR waste disposal plant is provided, another object of the present invention is to provide a kind of method that adopts microkinetic MBR waste disposal plant to process sewage, be combined sewage is processed with MBR technique by microkinetic, its processing power is strong, improve sewage treatment capacity, can process husbandry sewage, trade effluent, municipal effluent etc.
Technology solution of the present invention is as follows:
A kind of microkinetic MBR waste disposal plant, it comprises sewage lagoon, also comprise the grid, equalizing tank, anoxic pond, settling tank, ecological wetland and the MBR film reaction pond that are connected successively with sewage lagoon, in described settling tank, be provided with a sludge reflux pump, sludge reflux pump can be conveyed into the mud in settling tank in equalizing tank and process; On described anoxic pond and MBR film reaction pond, be connected with respectively gas blower; Described MBR film reaction pond is connected with a washing unit; Described MBR film reaction pond right-hand member is connected with two vacuum primingpumps, and vacuum primingpump moves automatically according to MBR film reaction pit level trip switch.
As preferably, described grid can adopt mechanical grille or artificial grid, and Grill space 1～3mm.
As preferably, two lift pumps are housed, the control of lift pump band liquid level in described equalizing tank, the start and stop of high-low-position automatic spacing, two lift pumps of super warning water level start simultaneously, two lift pump operations when high liquid level, when low liquid level, stop a lift pump, lift pump operation when normal liquid level.
As preferably, described ecological wetland comprises soil and filler, planting aquatic plants on ecological wetland.
As preferably, described MBR film reaction pond one side is provided with water-in, the in-built immersed type flat plate membrane component in MBR film reaction pond.
As preferably, described anoxic pond one side is provided with water-in, and opposite side top is provided with sluice groove and water outlet, can make sewage stable naturally flow into settling tank, described anoxic pond is backed down and is established manhole and steel step ladder is set, convenient operation maintenance.
A method that adopts microkinetic MBR waste disposal plant to process sewage, is characterized in that: comprise the steps:
The sanitary sewage of a, sewage lagoon flows into grid automatically, and the foreign material in grid interception sewage, skim oarse-grained suspended substance and impurity, avoid the obstruction of pump, and regularly processes the outward transport of grid slag;
B, the sewage that grid are tackled after dirt flow in equalizing tank, carry out water quality, water yield adjusting in equalizing tank, and the adjusting time is 12 hours, is convenient to carrying out smoothly of postorder sewage disposal;
C, sewage after modified are promoted to anoxic pond through lift pump, in anoxic pond, fill floater shot filler and anoxic sludge, the residence time of sewage in anoxic pond is 3～8h, give oxygen part by intermittent type, effectively carry out acidifying, nitrated, denitrification, organism is gradated as inorganics is degraded after removal, and sewage flows into settling tank;
D, flow into settling tank precipitation 2 hours through the sewage of anoxic pond processing, carry out mud-water separation, then sludge reflux pump can be conveyed into the mud in settling tank in equalizing tank and process, and sewage after precipitation enters ecological wetland;
E, sewage enter ecological wetland, and waterplant draws abundant nutrition material in water, and sewage is flow filtration in filler gap, after filtering, flow into MBR film reaction pond;
F, MBR film reaction is provided with immersed type flat plate membrane component in pond, accommodate active sludge, periphery aeration and diaphragm aerating pipelines are communicated with gas blower, header supporting on membrane module is communicated with vacuum primingpump, pending sewage enters MBR film reaction pond by the water-in of MBR film reaction pond one side, the residence time of sewage in reaction tank is 5h, after the active sludge degraded in MBR film reaction pond, by antipollution plate film assembly, then enter clear water sterilization pool by vacuum primingpump sucking-off, MBR film reaction is also provided with sludge lifting pump in pond, can be unnecessary sludge lifting in sludge digestion tank, bottom, MBR film reaction pond one side begins to rehearse and eats dishes without rice or wine, and is convenient to pond inner structure and safeguards, clears up,
G, the pond water outlet of MBR film reaction can directly enter reuse pool, add sterilizing agent or adopt ultraviolet ray and active ion material to carry out disinfection, and after every water-quality guideline is up to standard, discharges or carry out reuse.
Beneficial effect of the present invention is:
The present invention is connected in turn sewage lagoon, grid, equalizing tank, anoxic pond, settling tank, ecological wetland and MBR film reaction pond, compact construction, and flow process is succinct, and floor space is little, and increment dilatation is convenient, and level of automation is high, and operating maintenance is easy.
Operating performance of the present invention is good, reliability is high, stable effluent quality, working cost are less.When Treating Municipal Sewage, anti impulsion load, high to contaminant removal efficiency, nitrification ability is strong.Can carry out nitrated, denitrification simultaneously, have the function of denitrogenation dephosphorizing concurrently, be applicable to very much processing husbandry sewage, trade effluent, municipal effluent etc., water outlet can reuse also direct qualified discharge, can meet the demand of the different quality of different user.
In anoxic pond of the present invention, place the filler that novel environment friendly active ion material is made; not only there is sterilization and disinfection effect but also can effectively remove the heavy metal ion in water outlet; not only overcame the secondary pollution problem that medicine wash disinfection causes but also the heavy metal concentration that has reduced water outlet, quality of reused water is improved greatly.
The aerating pipelines in membrane biological reaction of the present invention pond is divided into two-way, and aeration is carried out to periphery active sludge in a road, and aeration is carried out to the diaphragm of membrane module in another road.Its advantage is that the scouring force by diaphragm aeration is produced is patted diaphragm mutually, can shake off to be attached to like this calcification mud on fenestra surface, makes membrane flux greatly improve the work-ing life that has extended film, thereby has reduced running cost.
Brief description of the drawings:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is structural representation of the present invention.
Embodiment:
Embodiment, see accompanying drawing 1, a kind of microkinetic MBR waste disposal plant, it comprises sewage lagoon 1, also comprises the grid 2, equalizing tank 3, anoxic pond 4, settling tank 5, ecological wetland 6 and the MBR film reaction pond 7 that are connected successively with sewage lagoon, and described grid can adopt mechanical grille or artificial grid, and Grill space 3mm, grid can skim oarse-grained suspended substance and impurity, and then mud can flow in equalizing tank, carries out water quality, water yield adjusting in equalizing tank.
Two lift pumps are housed, the using and the reserved, the control of lift pump band liquid level in described equalizing tank, the start and stop of high-low-position automatic spacing, two lift pumps of super warning water level start simultaneously, two lift pump operations when high liquid level, when low liquid level, stop a lift pump, lift pump operation when normal liquid level.The described concrete basin that is generally, the capacity of equalizing tank must be according to drainage period, production technique etc. because usually determining, and the capacity of general equalizing tank is 4-10 times of the processing water yield.
Described anoxic pond one side is provided with water-in, and opposite side top is provided with sluice groove and water outlet, can make the stable settling tank of inflow naturally of sewage, and described anoxic pond is backed down and established manhole and steel step ladder is set, convenient operation maintenance.
In described settling tank, be provided with a sludge reflux pump, sludge reflux pump can be conveyed into the mud in settling tank in equalizing tank and process; On described anoxic pond and MBR film reaction pond, be connected with respectively gas blower 8, gas blower has two, the using and the reserved, under normal circumstances, the continuous running status of blower fan, for increasing the service life, two are used alternatingly, working 12 hours automatically switches, anoxic pond air feed is intermittent aeration, by valve control, can adopt electrically operated valve, every 4 hours air feed once, each 10min; As less in sewage or there is no sewage, be the normal growth that ensures planting aquatic plants on ecological wetland, microbial film is dead coming off not, and gas blower can intermittently start, and start-up period is 2 hours, and be 30min start time.
Described MBR film reaction pond is connected with a washing unit 9; Described MBR film reaction pond right-hand member is connected with two vacuum primingpumps 10, two of vacuum primingpumps, the using and the reserved, vacuum primingpump moves automatically according to MBR film reaction pit level trip switch, high liquid level is normally moved, the overflow of super liquid level nature, and low liquid level vacuum primingpump is out of service, the rule operation that stops under normal circumstances 2min to open 8min, working 12 hours automatically switches.
Described ecological wetland comprises soil and filler, planting aquatic plants 11 on ecological wetland, and waterplant draws abundant nutrition material in water, and sewage is flow filtration in filler gap.
Described MBR film reaction pond one side is provided with water-in, the in-built immersed type flat plate membrane component in MBR film reaction pond.
A method that adopts microkinetic MBR waste disposal plant to process sewage, is characterized in that: comprise the steps:
The sanitary sewage of a, sewage lagoon flows into grid automatically, and the foreign material in grid interception sewage, skim oarse-grained suspended substance and impurity, avoid the obstruction of pump, and regularly processes the outward transport of grid slag;
B, the sewage that grid are tackled after dirt flow in equalizing tank, carry out water quality, water yield adjusting in equalizing tank, and the adjusting time is 12 hours, is convenient to carrying out smoothly of postorder sewage disposal;
C, sewage after modified are promoted to anoxic pond through lift pump, in anoxic pond, fill floater shot filler and anoxic sludge, the residence time of sewage in anoxic pond is 5h, give oxygen part by intermittent type, effectively carry out acidifying, nitrated, denitrification, organism is gradated as inorganics is degraded after removal, and sewage flows into settling tank;
D, flow into settling tank precipitation 2 hours through the sewage of anoxic pond processing, carry out mud-water separation, then sludge reflux pump can be conveyed into the mud in settling tank in equalizing tank and process, and sewage after precipitation enters ecological wetland;
E, sewage enter ecological wetland, and waterplant draws abundant nutrition material in water, and sewage is flow filtration in filler gap, after filtering, flow into MBR film reaction pond;
F, MBR film reaction is provided with immersed type flat plate membrane component in pond, accommodate active sludge, periphery aeration and diaphragm aerating pipelines are communicated with gas blower, header supporting on membrane module is communicated with vacuum primingpump, pending sewage enters MBR film reaction pond by the water-in of MBR film reaction pond one side, the residence time of sewage in reaction tank is 5h, after the active sludge degraded in MBR film reaction pond, by antipollution plate film assembly, then enter clear water sterilization pool by vacuum primingpump sucking-off, clear water sterilization pool top is provided with Overflow drainage mouth, the disinfectant measure of sterilization pool adopts safe physical property sterilization, the alkyl effect that utilizes active ion material to discharge, water quality is further purified, can react with the heavy metal in water simultaneously and precipitate and be moved out of water body, MBR film reaction is also provided with sludge lifting pump in pond, can be unnecessary sludge lifting in sludge digestion tank, sludge digestion tank bottom arranges sludge hopper, and sludge pipe is set, being convenient to mud concentrates, top is established sluice groove and is beneficial to supernatant liquor and is back to MBR film reaction pond, and bottom has mud discharging mouth, relies on static pressure automatic mud removing, bottom, MBR film reaction pond one side begins to rehearse and eats dishes without rice or wine, and is convenient to pond inner structure and safeguards, clears up,
G, the pond water outlet of MBR film reaction can directly enter reuse pool, add sterilizing agent or adopt ultraviolet ray and active ion material to carry out disinfection, and after every water-quality guideline is up to standard, discharges or carry out reuse.
Above-described embodiment is the specific descriptions that the present invention is carried out; just the present invention is further described; can not be interpreted as limiting the scope of the present invention, those skilled in the art according to the content of foregoing invention make some nonessential improvement and adjust all fall into protection scope of the present invention within.
Claims (7)
1. a microkinetic MBR waste disposal plant, it comprises sewage lagoon, it is characterized in that: also comprise the grid, equalizing tank, anoxic pond, settling tank, ecological wetland and the MBR film reaction pond that are connected successively with sewage lagoon, in described settling tank, be provided with a sludge reflux pump, sludge reflux pump can be conveyed into the mud in settling tank in equalizing tank and process; On described anoxic pond and MBR film reaction pond, be connected with respectively gas blower; Described MBR film reaction pond is connected with a washing unit; Described MBR film reaction pond right-hand member is connected with two vacuum primingpumps, and vacuum primingpump moves automatically according to MBR film reaction pit level trip switch.
2. a kind of microkinetic MBR waste disposal plant according to claim 1, is characterized in that: described grid can adopt mechanical grille or artificial grid, and Grill space 1～3mm.
3. a kind of microkinetic MBR waste disposal plant according to claim 1, it is characterized in that: two lift pumps are housed in described equalizing tank, the control of lift pump band liquid level, the start and stop of high-low-position automatic spacing, two lift pumps of super warning water level start simultaneously, when high liquid level, two lift pump operations, stop a lift pump when low liquid level, lift pump operation when normal liquid level.
4. a kind of microkinetic MBR waste disposal plant according to claim 1, is characterized in that: described ecological wetland comprises soil and filler planting aquatic plants on ecological wetland.
5. a kind of microkinetic MBR waste disposal plant according to claim 1, is characterized in that: described MBR film reaction pond one side is provided with water-in, the in-built immersed type flat plate membrane component in MBR film reaction pond.
6. a kind of microkinetic MBR waste disposal plant according to claim 1, it is characterized in that: described anoxic pond one side is provided with water-in, opposite side top is provided with sluice groove and water outlet, can make the stable settling tank of inflow naturally of sewage, described anoxic pond is backed down and is established manhole and steel step ladder is set, convenient operation maintenance.
7. the method that a kind of microkinetic MBR waste disposal plant as claimed in claim 1 is processed sewage, is characterized in that: comprise the steps:
The sanitary sewage of a, sewage lagoon flows into grid automatically, and the foreign material in grid interception sewage, skim oarse-grained suspended substance and impurity, avoid the obstruction of pump, and regularly processes the outward transport of grid slag;
B, the sewage that grid are tackled after dirt flow in equalizing tank, carry out water quality, water yield adjusting in equalizing tank, and the adjusting time is 12 hours, is convenient to carrying out smoothly of postorder sewage disposal;
C, sewage after modified are promoted to anoxic pond through lift pump, in anoxic pond, fill floater shot filler and anoxic sludge, the residence time of sewage in anoxic pond is 3～8h, give oxygen part by intermittent type, effectively carry out acidifying, nitrated, denitrification, organism is gradated as inorganics is degraded after removal, and sewage flows into settling tank;
D, flow into settling tank precipitation 2 hours through the sewage of anoxic pond processing, carry out mud-water separation, then sludge reflux pump can be conveyed into the mud in settling tank in equalizing tank and process, and sewage after precipitation enters ecological wetland;
E, sewage enter ecological wetland, and waterplant draws abundant nutrition material in water, and sewage is flow filtration in filler gap, after filtering, flow into MBR film reaction pond;
F, MBR film reaction is provided with immersed type flat plate membrane component in pond, accommodate active sludge, periphery aeration and diaphragm aerating pipelines are communicated with gas blower, header supporting on membrane module is communicated with vacuum primingpump, pending sewage enters MBR film reaction pond by the water-in of MBR film reaction pond one side, the residence time of sewage in reaction tank is 5h, after the active sludge degraded in MBR film reaction pond, by antipollution plate film assembly, then enter clear water sterilization pool by vacuum primingpump sucking-off, MBR film reaction is also provided with sludge lifting pump in pond, can be unnecessary sludge lifting in sludge digestion tank, bottom, MBR film reaction pond one side begins to rehearse and eats dishes without rice or wine, and is convenient to pond inner structure and safeguards, clears up,
G, the pond water outlet of MBR film reaction can directly enter reuse pool, add sterilizing agent or adopt ultraviolet ray and active ion material to carry out disinfection, and after every water-quality guideline is up to standard, discharges or carry out reuse.
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Cited By (6)
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| CN104478176A (en) * | 2014-12-27 | 2015-04-01 | 温州泓呈祥科技有限公司 | Advanced treatment system for sewage discharged by meat processing enterprises |
| CN109851172A (en) * | 2019-02-27 | 2019-06-07 | 华北水利水电大学 | A kind of municipal administration landscape water circulation system and method for treating water |
| CN110540349A (en) * | 2019-10-16 | 2019-12-06 | 中冶赛迪工程技术股份有限公司 | Distributed domestic sewage treatment and reuse system and method thereof |
| CN111138037A (en) * | 2020-01-17 | 2020-05-12 | 生态环境部华南环境科学研究所 | Movable integrated sewage treatment system and treatment process |
| CN111484186A (en) * | 2019-01-28 | 2020-08-04 | 吉林省大河智能科技有限公司 | Biological treatment method for domestic sewage |
| CN113003866A (en) * | 2021-03-03 | 2021-06-22 | 江西绿建环保科技有限公司 | AO + facultative MBR membrane integral type sewage treatment device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313112 Changxing County City, Zhejiang Province Lin Town Industrial Park Patentee after: Zhejiang Changxin Sun Moon environment Polytron Technologies Inc Address before: 313112 Changxing County City, Zhejiang Province Lin Town Industrial Park Patentee before: Changxing Riyue Environmental Machine Co., Ltd. |