CN104891750A - Rural decentralized-wastewater integrated micro-dynamic ecological treatment device - Google Patents
Rural decentralized-wastewater integrated micro-dynamic ecological treatment device Download PDFInfo
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- CN104891750A CN104891750A CN201510350775.6A CN201510350775A CN104891750A CN 104891750 A CN104891750 A CN 104891750A CN 201510350775 A CN201510350775 A CN 201510350775A CN 104891750 A CN104891750 A CN 104891750A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 139
- 238000005273 aeration Methods 0.000 claims abstract description 86
- 230000020477 pH reduction Effects 0.000 claims abstract description 67
- 239000010865 sewage Substances 0.000 claims abstract description 61
- 230000008595 infiltration Effects 0.000 claims abstract description 59
- 238000001764 infiltration Methods 0.000 claims abstract description 59
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims description 62
- 230000007062 hydrolysis Effects 0.000 claims description 59
- 239000001301 oxygen Substances 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 29
- 230000010354 integration Effects 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 12
- 238000005276 aerator Methods 0.000 claims description 6
- 238000011081 inoculation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 22
- 230000001105 regulatory effect Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
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- 238000000034 method Methods 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 239000002689 soil Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a rural decentralized-wastewater integrated micro-dynamic ecological treatment device and belongs to the field of sewage treatment with an aim to solve problems in an existing rural decentralized-wastewater treatment device. The device comprises a regulating tank, a hydrolytic acidification tank, an intermittent aeration tank, a sedimentation tank, a water storage tank, an underground infiltration system and an electronic control system; the top end of the regulating tank is higher than the top of each of the hydrolytic acidification tank, the intermittent aeration tank, the sedimentation tank, the water storage tank and the underground infiltration system; the regulating tank is connected with the hydrolytic acidification tank, the hydrolytic acidification tank is connected with the intermittent aeration tank, the intermittent aeration tank is connected with the sedimentation tank, the sedimentation tank is connected with the water storage tank, and the water storage tank is connected with the underground infiltration system; the electronic control system is connected with the regulating tank, the hydrolytic acidification tank and the intermittent aeration tank respectively. The device is suitable for sewage characteristics of rural areas and economy technologies, free of attendance of professional technicians, good in treatment effect and compact in structure.
Description
Technical field
The invention belongs to sewage treatment area, particularly a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus.
Background technology
Along with the fast development of economy, water environment in China pollutes and is diffused into rural area from city gradually.The most unprocessed direct discharge of country sewage, main because in Rural areas, peasant household lives and comparatively disperses, sewage collecting difficulty, focuses on if enter city planting ductwork, then needs to lay large-scale pipe network system, expensive, and the long-distance sand transport of sewage will cause the seepage of sewage, bring serious threat, in addition to underground water, rural economy level falls behind, resident's environmental consciousness is thin, pays little attention to water pollution problems, makes water pollutions situation severeer.Therefore, sewage disposal technology process rural decentralized wastewater and important is effectively developed.
It is wide that rural decentralized wastewater has kind polydispersion, and water quality and quantity fluctuation is large, substantially not containing heavy metal and hazardous and noxious substances, containing a certain amount of nitrogen, phosphorus, and the features such as good biodegradability.At present, variation is tending towards to the research of rural decentralized wastewater treatment process, but mainly comprises and utilize soil as collecting and the natural ecological treatment system of discharge carrier, the conventional treatment systems utilizing complicated biology and physical process and Small Sewage Treatment Equipment.These techniques mostly there is investment and working cost is high, complex management, floor space are large, treatment effect is unsatisfactory.In addition, although Small Sewage Treatment Equipment achieves structural integration, there is the shortcomings such as auxiliary facility is many, structure is compact not; After technique micro, the impact resistance of system is poor; Most device has good removal effect to organism, then can not reach emission standard, be difficult to realize large-scale promotion application for nitrogen, phosphorus.
Therefore, the complex management existed for rural decentralized wastewater feature and prior art, poor processing effect, the shortcoming that floor space is large, need to seek a kind of be applicable to rural decentralized wastewater purification on duty without the need to professional and technical personnel, treatment effect good, the integrated microkinetic ecological treatment apparatus of compact construction.
Summary of the invention
The object of the invention is the defect being directed to the existence of current rural decentralized wastewater treatment unit, provide a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus.This device is applicable to sewage feature and the economic technology condition of Rural areas, and be on duty without the need to technical professional, treatment effect good, the integrated sewage treating apparatus of compact construction.
A kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus, comprises equalizing tank, hydrolysis acidification pool, intermittent aeration pond, settling tank, tank, subsurface wastewater infiltration system and electrical control system; The top of equalizing tank is higher than the top of hydrolysis acidification pool, intermittent aeration pond, settling tank, tank, subsurface wastewater infiltration system;
Wherein, equalizing tank is the seal case without upper cover, and in equalizing tank, be provided with water-in and the water outlet of band filter screen, equalizing tank also comprises by sewage transport to the water pump of hydrolysis acidification pool and the liquid meter regulating operational throughput, and water pump is connected with liquid meter; This pond is used for storing and conveying sewage;
Hydrolysis acidification pool is the seal case without upper cover, is provided with water-in and the overflow weir as water side, arranges adjustable speed electric mixer in hydrolysis acidification pool in pond; Water-in is affixed on inwall at the bottom of pond; Preferably, the mud of secondary sedimentation tank of sewage treatment work is inoculated in pond; Hydrolysis acidification pool can not only play shock absorption, and can improve Biodegradability of Wastewater, and the mud of simultaneously inoculation in pond provides the biological basis of necessity for subsurface wastewater infiltration system denitrogenation dephosphorizing; The overflow weir of water side, can make uniform liquid overflow, thus increases the contact area of sewage and air, increases the oxygen enriching effect of sewage;
Intermittent aeration pond is the seal case without upper cover, is positioned at settling tank inside, higher than at the bottom of settling tank pond at the bottom of its pond; Intermittent aeration pond comprises aerating apparatus and oxygen increasing pump, is provided with water outlet in pond, and aerating apparatus is connected with oxygen increasing pump; Water outlet is positioned at body top, pond, and aerating apparatus is positioned at the bottom of pond, and oxygen increasing pump is positioned at outside pond; Intermittent aeration pond is to pass through formula, can pass through formula for both can effluent stream through intermittent aeration pond time Air Exposure is not carried out to sewage, also can effluent stream through intermittent aeration pond time Air Exposure is carried out to sewage; Inner near hydrolysis acidification pool overflow weir side in aeration tank, one piece of vertical baffle parallel with this overflow weir is set, space is had between at the bottom of baffle plate lower end and aeration tank, upper end is concordant with upper end, aeration tank, make the sewage after hydrolysis acidification pool process bottom baffle plate lower end and aeration tank between space overflow enter aeration tank, sewage can flow directly into bottom the pond of aeration tank; This pond can not only increase the mobility of sewage, and can make the abundant oxygen enrichment of sewage;
Preferably, intermittent aeration pond is also provided with the air flowmeter be connected with aerating apparatus, and air flowmeter can control the aeration rate of aerating apparatus flexibly by controlling oxygen increasing pump; Aerating apparatus is platy fine bubble aerator, arranges non-return valve unit bottom aerator, can effectively prevent sludge blockage gas distribution pipe;
Settling tank is the seal case without upper cover, is provided with the overflow weir as water side and water-in in pond; Water-in is positioned at body bottom, pond, and water side overflow weir is concordant with the water outlet in intermittent aeration pond; This pond is for precipitating mud in sewage and impurity;
Tank is the seal case without upper cover, in pond, be provided with water outlet; This pond is used for for subsurface wastewater infiltration system distributes the water yield;
Subsurface wastewater infiltration system is the sealing earth pillar casing without upper cover; Casing is provided with water inlet, and box house is provided with water distributor and the multiple water spraying pipe vertical with water distributor, and arranges semi-cylindrical waterproof groove in water spraying pipe bottom; Pollutent in sewage the degree of depth can be removed as the core cell of integrated apparatus in this pond, especially has good Nitrogen/Phosphorus Removal;
Electrical control system is used for the oxygen increasing pump in the water pump in regulating and controlling pond, the adjustable speed electric mixer of hydrolysis acidification pool and intermittent aeration pond;
The water outlet of equalizing tank is connected by water pipe with the water-in of hydrolysis acidification pool, hydrolysis acidification pool is connected with intermittent aeration pond by water side overflow weir, the water outlet in intermittent aeration pond is connected by water pipe with the water inlet of settling tank, settling tank is connected with tank by water side overflow weir, and the water outlet of tank is connected by water pipe with the water-in of subsurface wastewater infiltration system; Electrical control system is connected with the oxygen increasing pump in the water pump of equalizing tank, the adjustable speed electric mixer of hydrolysis acidification pool and intermittent aeration pond respectively;
Preferably, tank and subsurface wastewater infiltration system arrange parallel 2 covers, the baffle plate that 2 tanks are provided with overflow weir by upper end separates, and tank is at the connecting water pipe place cross current that magnetic valve is housed with subsurface wastewater infiltration system, 2 cover subsurface wastewater infiltration system parallel connections; Two cover systems can adopt the solenoid control cycle of operation on the one hand, make system keep intermittent operating state; On the other hand in case some do not predict sewage quantity increases suddenly, two cover systems can run simultaneously, affect device treatment effect when effectively preventing subsurface wastewater infiltration system to be in waterflooding state;
Better, whole device is arranged in a casing, be embedded in underground, equalizing tank top exceeds ground surface, and electrical control system, oxygen increasing pump, liquid meter are arranged on the ground, be also arranged on the ground when arranging air flow quantity timing, the top of hydrolysis acidification pool, intermittent aeration pond, settling tank, subsurface wastewater infiltration system is concordant with earth's surface, the top layer of subsurface wastewater infiltration system can be used as land use for greening, plantation ground flora.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) normal operation of the present invention is on duty without the need to technical professional, carries out daily administration and maintenance to device, and for the Rural areas lacking specialized technical management personnel, this device has wide application space;
(2) treatment effect of the present invention is good, strong shock resistance, and can better adapt to rural decentralized wastewater water quality, the water yield changes large feature, denitrogenation dephosphorizing ability is strong, stable effluent quality;
(3) the present invention is a kind of integrated integrated sewage treating apparatus, materialization effect is coupled with Ecology Action, there is Ecological Disposal feature, make full use of hydraulic principle, waterpower between each technique of ingehious design connects, except equalizing tank utilizes testing pump flow, current lean on flow by gravity substantially, reduce integrated apparatus working cost, and this device structure and technical process are simply, applicable single household or many families share, thus overcome the problem that rural decentralized wastewater collects difficulty, effective minimizing construction costs investment, achieves the benign cycle of water resources.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view (subsurface wastewater infiltration system does not insert soil) of inventive embodiments 2 device;
Fig. 2 is the plot plan (subsurface wastewater infiltration system does not insert soil) of the embodiment of the present invention 2 device;
Fig. 3 is the sectional view (subsurface wastewater infiltration system do not insert soil) of Fig. 2 along AA ' direction;
Fig. 4 is the sectional view (subsurface wastewater infiltration system do not insert soil) of Fig. 2 along A ' A;
Fig. 5 is the sectional view (subsurface wastewater infiltration system do not insert soil) of Fig. 2 along BB ' direction;
Wherein, the name that in figure, Reference numeral is corresponding is called: 1-equalizing tank, 2-hydrolysis acidification pool, 3-intermittent aeration pond, 4-settling tank, 5-tank, 6-subsurface wastewater infiltration system, 7-motor, 8-water pump, 9-liquid meter, 10-electrical control system, 11-agitator, 12-aerating apparatus, 13-oxygen increasing pump, 14-air flowmeter, 15-rising pipe, 16-water distributor, 17-water spraying pipe, 18-waterproof groove (Niemi groove), 19-ground flora, 20-baffle plate, 21-hydrolysis acidification pool water-in, 22-hydrolysis acidification pool overflow weir, 23-intermittent aeration pond water outlet, 24-settling tank water-in, 25-settling tank overflow weir.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
A kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus, is characterized in that, comprise equalizing tank, hydrolysis acidification pool, intermittent aeration pond, settling tank, tank, subsurface wastewater infiltration system and electrical control system; The top of equalizing tank is higher than the top of hydrolysis acidification pool, intermittent aeration pond, settling tank, tank, subsurface wastewater infiltration system;
Wherein, described equalizing tank is the seal case without upper cover, comprises water pump and liquid meter, and in pond, be provided with water-in and the water outlet of band filter screen, water pump is connected with liquid meter;
Described hydrolysis acidification pool is the seal case without upper cover, comprises adjustable speed electric mixer, is provided with water-in and the overflow weir as water side in pond;
Described intermittent aeration pond is the seal case without upper cover, and comprise aerating apparatus and oxygen increasing pump, in pond, be provided with water outlet, aerating apparatus is connected with oxygen increasing pump; Intermittent aeration pond is for can pass through formula;
Described settling tank is the seal case without upper cover, is provided with water-in and the overflow weir as water side in pond;
Described tank is the seal case without upper cover, in pond, be provided with water outlet;
Described subsurface wastewater infiltration system is the sealing earth pillar casing without upper cover, and casing is provided with water inlet, and box house is provided with water distributor and the multiple water spraying pipe vertical with water distributor, and arranges semi-cylindrical waterproof groove in water spraying pipe bottom;
Described equalizing tank is connected by water pipe with hydrolysis acidification pool, hydrolysis acidification pool is connected with intermittent aeration pond by water side overflow weir, intermittent aeration pond is connected by water pipe with settling tank, settling tank is connected with tank by water side overflow weir, and tank is connected by water pipe with the water-in of subsurface wastewater infiltration system; Electrical control system is connected with the oxygen increasing pump in the water pump of equalizing tank, the adjustable speed electric mixer of hydrolysis acidification pool and intermittent aeration pond respectively.
Embodiment 1
A kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus, comprises equalizing tank 1, hydrolysis acidification pool 2, intermittent aeration pond 3, settling tank 4, tank 5, subsurface wastewater infiltration system 6 and electrical control system 10; The top of equalizing tank 1 is higher than the top of hydrolysis acidification pool 2, intermittent aeration pond 3, settling tank 4, tank 5, subsurface wastewater infiltration system 6;
Wherein, equalizing tank is the seal case without upper cover, water-in and the water outlet of band filter screen is provided with in equalizing tank, equalizing tank comprises sewage transport to the water pump 8 of hydrolysis acidification pool and the liquid meter 9 regulating carrying capacity, water pump 8 is connected with liquid meter 9, water pump 8 is MP-40RM magnetic force working shaft, and liquid meter 9 is LZB-ZW tiny flow quantity metal pipe float flow meter; For storing and conveying sewage;
Hydrolysis acidification pool 2 is the seal case without upper cover, hydrolysis acidification pool water-in 21 and the hydrolysis acidification pool overflow weir 22 as water side is provided with in pond, agitator 11 is set in hydrolysis acidification pool 2, agitator 11 provides power by motor 7, motor 7 is adjustable speed motor, at hydrolysis acidification pool 2 top crossbaring, with fixed electrical machinery 7 and agitator 11, wherein, motor 7 selects power to be 60W, revolution is the buncher of 0 ~ 36r/min, agitator 11 is connected by shaft coupling with buncher, be fixed on crossbeam, stainless steel selected by agitator 11, bottom agitator 11, fan-shaped paddle is set respectively with middle part, stirring velocity and stirring cycle can be controlled flexibly, the mud of certain secondary sedimentation tank of sewage treatment work is inoculated in pond, hydrolysis acidification pool water-in 21 is affixed on inwall at the bottom of pond, hydrolysis acidification pool 2 can not only play shock absorption, and can improve Biodegradability of Wastewater, and the mud of simultaneously inoculation in pond provides the biological basis of necessity for subsurface wastewater infiltration system denitrogenation dephosphorizing, the hydrolysis acidification pool overflow weir 22 of water side, can make uniform liquid overflow, thus increases the contact area of sewage and air, increases the oxygen enriching effect of sewage,
Intermittent aeration pond 3 is the seal case without upper cover, is positioned at settling tank inside, higher than at the bottom of the pond of settling tank 2 at the bottom of its pond; Intermittent aeration pond 3 comprises aerating apparatus 12, oxygen increasing pump 13 and air flowmeter 14, intermittent aeration pond water outlet 23 is provided with in pond, aerating apparatus 12 is positioned at the bottom of pond, oxygen increasing pump 13 and air flowmeter 14 are positioned at outside pond, intermittent aeration pond water outlet 23 is positioned at body top, pond, aerating apparatus 12 is connected with air flowmeter 14, air flowmeter 14 is connected with oxygen increasing pump 13, air flowmeter 14 can control the aeration rate of aerating apparatus 12 flexibly by controlling oxygen increasing pump 13, the model of oxygen increasing pump 13 is Y-40B oxygen increasing pump, and air flowmeter 14 is flows is 0.2 ~ 2.5m
3the spinner-type flowmeter of/h; Intermittent aeration pond 3 is formula of can passing through, can pass through formula for both can effluent stream through intermittent aeration pond time Air Exposure is not carried out to sewage, also can effluent stream through intermittent aeration pond time Air Exposure is carried out to sewage, so only have when integrated apparatus effluent quality is bad, just aerating apparatus 12 can be started; Aerating apparatus 12 is platy fine bubble aerator, establishes non-return valve unit bottom aerator, can effectively prevent sludge blockage gas distribution pipe; Inner near hydrolysis acidification pool overflow weir 22 side in intermittent aeration pond 3, one piece of vertical baffle 20 parallel with this overflow weir is set, space is had at baffle plate 20 lower end and the end, intermittent aeration pond 3, upper end is concordant with upper end, intermittent aeration pond 3, sewage after hydrolysis acidification pool 2 is processed enters aeration tank from the space overflow at baffle plate 20 lower end and the end, intermittent aeration pond 3, and sewage can flow directly into bottom the pond of aeration tank; This pond can not only increase the mobility of sewage, and can make the abundant oxygen enrichment of sewage;
Settling tank 4 is the seal case without upper cover, and in pond, be provided with settling tank water-in 24 and the settling tank overflow weir 25 as water side, settling tank water-in 24 is positioned at body bottom, pond, and water side settling tank overflow weir 25 is concordant with the water outlet in intermittent aeration pond 3; This pond is for precipitating mud in sewage and impurity;
Tank 5 is the seal case without upper cover, in pond, be provided with water outlet; This pond is used for for subsurface wastewater infiltration system distributes the water yield;
Subsurface wastewater infiltration system 6 is without the sealing earth pillar casing of upper cover, its top layer can be used for land use for greening, casing is provided with water inlet, and box house is provided with water distributor 16 and the multiple water spraying pipe 17 vertical with water distributor 16, and arranges semi-cylindrical waterproof groove 18 in water spraying pipe 17 bottom; Core cell as integrated apparatus the degree of depth can remove pollutent in sewage, especially has good Nitrogen/Phosphorus Removal;
Electrical control system is used for the oxygen increasing pump 13 in the water pump 8 in regulating and controlling pond 1, the agitator 11 of hydrolysis acidification pool 2 and intermittent aeration pond 3;
And, the water outlet of equalizing tank 1 is connected by water pipe with the water-in 21 of hydrolysis acidification pool 2, hydrolysis acidification pool 2 is connected with intermittent aeration pond 3 by water side overflow weir 22, intermittent aeration pond 3 water outlet 23 is connected by rising pipe 15 with the water-in 24 of settling tank 4, settling tank 4 is connected with tank 5 by water side settling tank overflow weir 25, and the water outlet of tank 5 is connected by water pipe with the water-in of subsurface wastewater infiltration system 6; Electrical control system is connected with the oxygen increasing pump 13 in the water pump 8 of equalizing tank 1, the agitator 11 of hydrolysis acidification pool 2 and intermittent aeration pond 3 respectively;
This device is arranged in a casing, be embedded in underground, equalizing tank 1 top exceeds ground surface 300-600mm, and electrical control system 10, oxygen increasing pump 13, liquid meter 9 and air flowmeter 14 are arranged on earth's surface, the top of hydrolysis acidification pool 2, intermittent aeration pond 3, settling tank 4, subsurface wastewater infiltration system 6 is concordant with earth's surface, the top layer of subsurface wastewater infiltration system 6 can be used as land use for greening, plantation ground flora 19.
When this apparatus is used, first sanitary sewage enters equalizing tank 1 regulating water quality and the water yield, the floating matter in sewage is removed by filter screen, granular solids suspended substance, then by water pump 8, sewage is squeezed into hydrolysis acidification pool 2 end through liquid meter 9 adjust flux, sewage enters by bottom hydrolysis acidification pool 2, upper end overflow water outlet, adopt agitator 11 that muddy water is mixed, and control stirring velocity by buncher 7, sewage is retained by the microorganism in the mud of inoculation in hydrolysis acidification pool 2, absorption, Degradation, by difficult degradation, larger molecular organics is degraded to easily degraded, small organic molecule, and remove part COD in water
cr, BOD
5, nitrogen, the pollutent such as phosphorus, improve the biodegradability of sewage, remove suspended solid, alleviate follow-up system blocking, extension fixture work-ing life, and provide necessary biological basis for subsurface wastewater infiltration system 6 denitrogenation dephosphorizing, improve the treatment effect of integrated apparatus, the seed sludge of hydrolysis acidification pool 2 takes from certain secondary sedimentation tank of sewage treatment work mud, seed sludge be used for early stage hydrolysis acidification pool 2 unloading phase, when hydrolysis acidification pool 2 sludge acclimatization completes, enter steady operation period, in operational process, acidication can generate new mud, need to the mud in pond the cycle be 15 ~ 20 days discharge once,
Sewage overflow after hydrolysis acidification pool 2 processes enters intermittent aeration pond 3, baffle plate 20 in intermittent aeration pond 3 change effluent stream to, sewage is flowed into from the bottom in intermittent aeration pond 3, add the mobility of sewage on the one hand, thus increase the ability of sewage natural oxygen enrichment, on the other hand, when aerating apparatus starts, can ensure that oxygenation is abundant, the aeration rate in intermittent aeration pond 3 is controlled by the air flowmeter 14 connecting oxygen increasing pump 13;
Sewage in intermittent aeration pond 3 is by the bottom of rising pipe 15 from inflow settling tank 4 pond body, the mud overflowed in precipitation water and a small amount of residual impurity, because spillage is less, labor cleaning and sludge reflux can be carried out through for some time, sewage overflow through precipitation enters tank 5, carries out water operation;
Sewage enters subsurface wastewater infiltration system 6 through flow by gravity again and carries out advanced treatment, first by water distributor 16, sewage is evenly distributed in water spraying pipe 17, infiltrate the semi-cylindrical waterproof groove 18 (Niemi groove) under it again, form gravitional force and the kapillary potential energy vertex of water, water moves upward under the effect of soil capillary potential energy, gravitional force is added while consuming kapillary potential energy, when gravitional force is greater than kapillary potential energy, water is permeated downwards, sewage under in the process of oozing, by the absorption of matrix, filter, the effect of precipitating action and soil microorganisms removes COD further
cr, BOD
5, nitrogen, the pollutent such as phosphorus.
Whole device flow is controlled by the liquid meter 9 of equalizing tank, except equalizing tank water pump and the power consumption of hydrolysis acidification pool agitator motor, drainage flow leans on flow by gravity substantially, acidication mud only manually need carry out periodic exhaustion, without the need to extra power consumption, working cost is low, and whole device is embedded in underground, surface can be used as land use for greening, while not affecting surrounding environment, also can make full use of space.
Embodiment 2
On the basis of embodiment 1 device, tank 5 and subsurface wastewater infiltration system 6 arrange 2 covers, the baffle plate that 2 tanks 5 are provided with overflow weir by upper end separates, and at the connecting water pipe place cross current that magnetic valve is housed with subsurface wastewater infiltration system 6,2 cover subsurface wastewater infiltration system 6 parallel connections; Two cover systems can adopt the solenoid control cycle of operation on the one hand, make system keep intermittent operating state; On the other hand in case some do not predict sewage quantity increases suddenly, two cover systems can run simultaneously, effectively prevent subsurface wastewater infiltration system to be in waterflooding state, affect device treatment effect.
Wherein, in order to show the relation of water distributor 16, water spraying pipe 17 and semi-cylindrical waterproof groove 18 in subsurface wastewater infiltration system 6 earth pillar casing clearly, in accompanying drawing 1 schematic perspective view of the present invention and the subsurface wastewater infiltration system 6 shown in accompanying drawing 2 plot plan of the present invention, all do not insert soil.
Embodiment 3
On embodiment 2 basis, at the bottom of at the bottom of pond, intermittent aeration pond 3 and settling tank 4 pond, distance is 400-600mm, agitator 11 is apart from 80-100mm at the bottom of hydrolysis acidification pool 2 pond, the water pipe internal diameter connecting each pond is 20-30mm, intermittent aeration pond water outlet 23 is apart from top, pond 10-20mm, 20-30mm at the bottom of the distance pond, bottom of the baffle plate 20 in intermittent aeration pond 3, settling tank water-in 24 is apart from 20-30mm at the bottom of pond, intermittent aeration pond water outlet 23 is concordant with the water side settling tank overflow weir 25 of settling tank, water distributor 16 internal diameter is 20-30mm, water spraying pipe 17 internal diameter is 15-25mm, semi-cylindrical waterproof groove 18 internal diameter is 300-600mm.
Embodiment 4
On embodiment 3 basis, the treatment scale of device is 0.16t/d, integrated apparatus is of a size of 2280mm × 1200mm × 1000mm, wherein equalizing tank exceeds ground surface 350mm, then it is of a size of 400mm × 300mm × 1350mm, hydrolysis acidification pool is of a size of 400mm × 400mm × 1000mm, intermittent aeration pool size is 400mm × 200mm × 500mm, settling tank is of a size of 400mm × 300mm × 1000mm, 2 tank sizes are 80mm × 600mm × 350mm, and 2 cover subsurface wastewater infiltration system sizes are 1800mm × 600mm × 1000mm.The acidication residence time is 2.5h, and stirring velocity is 10r/min, and subsurface wastewater infiltration system psychrometric ratio is 1.3:1 (24h), and hydraulic load is 13cm/d, two cover subsurface wastewater infiltration system intermittent operatioies.
Treatment effect sees the following form 1:
Table 1, embodiment 4 device treatment effect are analyzed
According to upper table data presentation, this integration ecological treatment unit has good treatment effect, to NH to COD, TP
4 +though-N, TN remove not ideal, it can meet country's " urban sewage reutilization-urban afforestation water water quality " (GB/T18921-2002) standard, and water outlet can be used to greening.
Embodiment 5
On embodiment 3 basis, device treatment scale is 0.2t/d, integrated apparatus is of a size of 2520mm × 1200mm × 1100mm, wherein equalizing tank exceeds ground surface 450mm, then it is of a size of 400mm × 350mm × 1550mm, hydrolysis acidification pool is of a size of 400mm × 400mm × 1100mm, intermittent aeration pool size is 400mm × 150mm × 550mm, settling tank is of a size of 400mm × 300mm × 1100mm, 2 tank sizes are 120mm × 600mm × 350mm, and 2 cover subsurface wastewater infiltration system sizes are 2000mm × 600mm × 1100mm.The acidication residence time is 3.0h, and stirring velocity is 15r/min, and subsurface wastewater infiltration system psychrometric ratio is 1.5:1 (24h), and hydraulic load is 14cm/d, two cover subsurface wastewater infiltration system intermittent operatioies.
Treatment effect sees the following form 2:
Table 2, embodiment 5 device treatment effect are analyzed
According to upper table data presentation, through this integration ecological treatment unit process rural decentralized wastewater, water outlet meets country's " urban sewage reutilization-urban afforestation water water quality " (GB/T18921-2002) standard, and water outlet can be used to greening.
Embodiment 6
On embodiment 3 basis, device treatment scale is 0.25t/d, integrated apparatus is of a size of 2600mm × 1400mm × 1200mm, wherein equalizing tank exceeds ground surface 550mm, then it is of a size of 450mm × 320mm × 1750mm, hydrolysis acidification pool is of a size of 450mm × 450mm × 1200mm, intermittent aeration pool size is 450mm × 200mm × 700mm, settling tank is of a size of 450mm × 430mm × 1200mm, 2 tank sizes are 150mm × 700mm × 400mm, and 2 cover subsurface wastewater infiltration system sizes are 2000mm × 700mm × 1200mm.The acidication residence time is 3.5h, and stirring velocity is 20r/min, and subsurface wastewater infiltration system psychrometric ratio is 1.4:1 (24h), and hydraulic load is 15cm/d, two cover subsurface wastewater infiltration system intermittent operatioies.
Treatment effect sees the following form 3:
Table 3, embodiment 6 device treatment effect are analyzed
According to upper table data presentation, through this integration ecological treatment unit process rural decentralized wastewater, water outlet meets country's " urban sewage reutilization-urban afforestation water water quality " (GB/T18921-2002) standard, and water outlet can be used to greening.
It is noted that the invention provides a kind of thinking and method, the method and access of this technical scheme of specific implementation is a lot, and above-described embodiment is only the preferred embodiment of the present invention.Under prerequisite based on said structure design, for solving same technical problem, technician can modify to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to portion of techniques feature.All any retouchings of doing in the spirit and principles in the present invention and improvement, be all included within protection scope of the present invention.
Claims (10)
1. a rural decentralized wastewater integration microkinetic ecological treatment apparatus, is characterized in that, comprise equalizing tank, hydrolysis acidification pool, intermittent aeration pond, settling tank, tank, subsurface wastewater infiltration system and electrical control system; The top of equalizing tank is higher than the top of hydrolysis acidification pool, intermittent aeration pond, settling tank, tank, subsurface wastewater infiltration system;
Wherein, described equalizing tank is the seal case without upper cover, comprises water pump and liquid meter, and in pond, be provided with water-in and the water outlet of band filter screen, water pump is connected with liquid meter;
Described hydrolysis acidification pool is the seal case without upper cover, comprises adjustable speed electric mixer, is provided with water-in and the overflow weir as water side in pond;
Described intermittent aeration pond is the seal case without upper cover, and comprise aerating apparatus and oxygen increasing pump, in pond, be provided with water outlet, aerating apparatus is connected with oxygen increasing pump; Intermittent aeration pond is for can pass through formula;
Described settling tank is the seal case without upper cover, is provided with water-in and the overflow weir as water side in pond;
Described tank is the seal case without upper cover, in pond, be provided with water outlet;
Described subsurface wastewater infiltration system is the sealing earth pillar casing without upper cover, and casing is provided with water inlet, and box house is provided with water distributor and the multiple water spraying pipe vertical with water distributor, and arranges semi-cylindrical waterproof groove in water spraying pipe bottom;
Described equalizing tank is connected by water pipe with hydrolysis acidification pool, hydrolysis acidification pool is connected with intermittent aeration pond by water side overflow weir, intermittent aeration pond is connected by water pipe with settling tank, and settling tank is connected with tank by water side overflow weir, and tank is connected by water pipe with subsurface wastewater infiltration system; Electrical control system is connected with the oxygen increasing pump in the water pump of equalizing tank, the adjustable speed electric mixer of hydrolysis acidification pool and intermittent aeration pond respectively.
2. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1, it is characterized in that, the water-in of described hydrolysis acidification pool is affixed on inwall at the bottom of pond; The water outlet in described intermittent aeration pond is positioned at body top, pond; The water-in of described settling tank is positioned at body bottom, pond; The water outlet in described intermittent aeration pond is concordant with the water side overflow weir of settling tank.
3. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1, it is characterized in that, the water pump of described equalizing tank is positioned at pond, and liquid meter is positioned at outside pond; The aerating apparatus in described intermittent aeration pond is positioned at the bottom of pond, and oxygen increasing pump is positioned at outside pond.
4. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1, it is characterized in that, in described hydrolysis acidification pool, inoculation is from the mud of secondary sedimentation tank of sewage treatment work.
5. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1, it is characterized in that, described intermittent aeration pond is positioned at settling tank inside, higher than at the bottom of settling tank pond at the bottom of its pond.
6. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1 or 5, it is characterized in that, inner near hydrolysis acidification pool overflow weir side in intermittent aeration pond, one piece of vertical baffle parallel with this overflow weir is set, have space between at the bottom of baffle plate lower end and aeration tank, upper end is concordant with upper end, aeration tank.
7. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1 or 5, it is characterized in that, described intermittent aeration pond is also provided with the air flowmeter be connected with aerating apparatus, and air flowmeter is positioned at outside pond.
8. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1, it is characterized in that, described aerating apparatus is platy fine bubble aerator, arranges non-return valve unit bottom aerator.
9. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1, it is characterized in that, described tank and subsurface wastewater infiltration system are set to 2 covers, the baffle plate that 2 tanks are provided with overflow weir by upper end separates, and tank is at the connecting water pipe place cross current that magnetic valve is housed with subsurface wastewater infiltration system, 2 cover subsurface wastewater infiltration system parallel connections.
10. a kind of rural decentralized wastewater integration microkinetic ecological treatment apparatus according to claim 1, it is characterized in that, described device is arranged in a casing, be embedded in underground, equalizing tank top exceeds ground surface, the top of hydrolysis acidification pool, intermittent aeration pond, settling tank, subsurface wastewater infiltration system is concordant with earth's surface, and the top layer of subsurface wastewater infiltration system can be used as land use for greening, plantation ground flora.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106430702A (en) * | 2016-08-30 | 2017-02-22 | 江苏新宇天成环保工程集团有限公司 | Adjustable efficient energy-saving solid and liquid separation and filter machine |
| CN106830518A (en) * | 2017-02-16 | 2017-06-13 | 云南中绿文德生态环保科技股份有限公司 | The domestic sewage treatment process and equipment of a kind of sectional |
| CN109205964A (en) * | 2018-11-15 | 2019-01-15 | 龙岩学院 | A kind of intensive style sewage disposal system and method |
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| JP2002045885A (en) * | 2000-07-28 | 2002-02-12 | Miki Sato | Livestock waste water treating device |
| CN101323480A (en) * | 2008-07-24 | 2008-12-17 | 沈阳师范大学 | Sewerage soil filtration method and apparatus |
| CN104671408A (en) * | 2014-12-31 | 2015-06-03 | 广西汇泰环保科技有限公司 | Scattered small integrated sewage processing device for rural areas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002045885A (en) * | 2000-07-28 | 2002-02-12 | Miki Sato | Livestock waste water treating device |
| CN101323480A (en) * | 2008-07-24 | 2008-12-17 | 沈阳师范大学 | Sewerage soil filtration method and apparatus |
| CN104671408A (en) * | 2014-12-31 | 2015-06-03 | 广西汇泰环保科技有限公司 | Scattered small integrated sewage processing device for rural areas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106430702A (en) * | 2016-08-30 | 2017-02-22 | 江苏新宇天成环保工程集团有限公司 | Adjustable efficient energy-saving solid and liquid separation and filter machine |
| CN106830518A (en) * | 2017-02-16 | 2017-06-13 | 云南中绿文德生态环保科技股份有限公司 | The domestic sewage treatment process and equipment of a kind of sectional |
| CN109205964A (en) * | 2018-11-15 | 2019-01-15 | 龙岩学院 | A kind of intensive style sewage disposal system and method |
| CN109205964B (en) * | 2018-11-15 | 2024-02-20 | 龙岩学院 | Intensive sewage treatment system and method |
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