CN104944705A - Sanitary sewage treating device and method with improved Bardenpho technique - Google Patents
Sanitary sewage treating device and method with improved Bardenpho technique Download PDFInfo
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Abstract
The invention discloses a sanitary sewage treating device and method with an improved Bardenpho technique. The sanitary sewage treating device comprises barriers and a water-collecting well used for the pretreatment on the sanitary sewage. A lifting water pump is arranged in the water-collecting well. The water-collecting well is connected with an iron-carbon compartment, an anaerobic tank, an anoxia tank, a first stage of aerobic tank, a first stage of facultative tank, a second stage of aerobic tank, a second stage of facultative tank, a third stage of aerobic tank, a sedimentation tank and an sewage-outlet compartment in sequence through the water pump. A separating plate is arranged between the third stage of aerobic tank and the sedimentation tank, and multiples rows of water-distributing holes are formed in the bottom of the separating plate. A drainage device used for discharging the treated water is further arranged at the upper portion of the sedimentation tank. A circulating water pump is arranged in the sewage-outlet compartment, and the sewage-outlet compartment is connected with the anaerobic tank through the circulating water tank. The prepared device with the improved Bardenpho technique has the advantages of being simple in structure, easy to operate, low in cost and low in energy consumption. The sewage treating method with the device has the effects that the sanitary sewage treating efficiency is high, the technological process is short, and the automation level is high.
Description
Technical field
The present invention relates to environment-protective water process field, particularly relate to a kind of device and method improveing Bardenpho art breading sanitary sewage.
Background technology
Along with the progressively quickening of urbanization process, city size expands gradually, and urban population also sharply increases, and residential quarter is also increasing, and the sanitary sewage amount that thus each residential quarter produces also gets more and more.If these Domestic sewage collectings are got up to carry out to unify process, certainly will will lay a large amount of pipelines, this can increase the weight of the burden of municipal wastewater process.For this reason should in residential quarter or adjacent several minizone build middle-size and small-size sewage treatment facility, rear discharge is processed to the sanitary sewage produced in community or for urban reclaimed water.
The technology of current domestic Treating Municipal Sewage reaches the several respects such as standard and economic benefit from water outlet and compares, and sees the following form:
Compare from construction cost and running cost, see the following form:
From the comparative study of above-mentioned two forms, it is high all to there is cost of investment in AB, A/O after current domestic employing improvement, A2/O, SBR, oxidation ditch process and MBR technique etc., technical sophistication, the problem that management difficulty is higher, and in dephosphorization existing defects, be difficult to the standard reaching discharge.Especially for sanitary sewage disposal, seeking a kind of miniaturization, operational administrative is simple, denitrogenation dephosphorizing efficiency is high, energy consumption is low, excess sludge production is low biologic process for treating sewage, is the problem that sanitary sewage disposal technical field urgently holds solution at present.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of device and method improveing Bardenpho art breading sanitary sewage, be intended to solve sanitary sewage disposal technology in prior art and all have that cost of investment is high, technical sophistication or the higher problem of management difficulty, and in dephosphorization existing defects, be difficult to the problem of the standard reaching discharge.
Technical scheme of the present invention is as follows:
A kind of device improveing Bardenpho art breading sanitary sewage, for the process of sanitary sewage, wherein, described device comprises: for carrying out pretreated grid and pump well to sanitary sewage, in described pump well, be provided with a lifting water pump, described pump well is connected with an iron carbon compartment, anaerobic pond, anoxic pond, first step Aerobic Pond, first step oxygen compatibility pool, second stage Aerobic Pond, second stage oxygen compatibility pool, third stage Aerobic Pond, settling tank and water outlet compartment in turn by promoting water pump;
Be provided with a dividing plate between described third stage Aerobic Pond and described settling tank, bottom described dividing plate, be provided with some arrangement water holes; Described settling tank top is also provided with one for the water-freeing arrangement of the water after emission treatment; Be provided with a water circulating pump in described water outlet compartment, described water outlet compartment is connected with described anaerobic pond by described low water circulating pump.
Sanitary sewage enters into pump well after carrying out pre-treatment by grid, pretreated sewage is carried by the lifting water pump pump in pump well to iron carbon compartment, carries out micro-electrolysis reaction, enter anaerobic pond successively subsequently, anoxic pond, first step Aerobic Pond, first step oxygen compatibility pool, second stage Aerobic Pond, second stage oxygen compatibility pool, react in third stage Aerobic Pond, again reacted sewage is entered into settling tank by the water distributing pore on the dividing plate between third stage Aerobic Pond and described settling tank to process, obtain the water after process and remaining mud mixture, and the water after process is discharged by the water-freeing arrangement on settling tank top, and remaining mud mixture is passed in water outlet compartment, by the water circulating pump in water outlet compartment, mud mixture is returned in described anaerobic pond, re-start reaction.
The device of described improvement Bardenpho art breading sanitary sewage, wherein, one is provided with for making the dividing plate of sewage formation upward flow between described anoxic pond and first step Aerobic Pond, between described first step oxygen compatibility pool and second stage Aerobic Pond and between described second stage oxygen compatibility pool and third stage Aerobic Pond, be provided with a drop aeration at the top of described dividing plate, described drop aeration is all connected to one for providing the low lift high flow capacity blower fan of oxygen.
The device of described improvement Bardenpho art breading sanitary sewage, wherein, described anaerobic pond, anoxic pond, be provided with one between first step Aerobic Pond and first step oxygen compatibility pool, between second stage Aerobic Pond and second stage oxygen compatibility pool for changing the flap of effluent flow rate; Described flap is divided into section flap and lower section of flap two portions, wherein, described upper cut flap all with the pond dolly of described anaerobic pond, anoxic pond, first step Aerobic Pond and first step oxygen compatibility pool, second stage Aerobic Pond and second stage oxygen compatibility pool directly, described lower section flap is all 45 ° with angle at the bottom of the pond of described anaerobic pond, anoxic pond, first step Aerobic Pond and first step oxygen compatibility pool, second stage Aerobic Pond and second stage oxygen compatibility pool.
The device of described improvement Bardenpho art breading sanitary sewage, wherein, all formed lower to spreading water compartment and upward flow water outlet compartment in described anaerobic pond and anoxic pond by described flap, to be arranged under anaerobic pond and anoxic pond to the sewage spreading water compartment, to enter into upward flow water outlet compartment by the baffling mouth bottom flap and react.
The device of described improvement Bardenpho art breading sanitary sewage, wherein, is provided with one for the iron-carbon micro-electrolysis filler layer of dephosphorization in described iron carbon compartment.
The device of described improvement Bardenpho art breading sanitary sewage, wherein, the thickness of described iron-carbon micro-electrolysis filler layer is 200-500mm.
The device of described improvement Bardenpho art breading sanitary sewage, wherein, the material of described iron-carbon micro-electrolysis filler layer is iron-carbon-M integration micro-electrolysis material; Described iron-carbon-M integration micro-electrolysis material is globosity, and its diameter is 14mm.
The device of described improvement Bardenpho art breading sanitary sewage, wherein, is provided with a spoil disposal pipe network in described settling tank; Described spoil disposal pipe network comprises a main pipe be connected with water outlet compartment, and some sludge buckets be arranged on main pipe, described sludge bucket is also equipped with a mud suction inlet.
The device of described improvement Bardenpho art breading sanitary sewage, wherein, the top of described device is also provided with a tail gas discharging pipe for being carried out discharging by the tail gas produced in sewage treatment process.
Based on a method for the improvement Bardenpho art breading sanitary sewage of said apparatus, wherein, comprise the following steps:
A, after sanitary sewage carries out pre-treatment by grid, enter into pump well, pretreated sewage is carried by the lifting water pump pump in pump well to iron carbon compartment, carries out micro-electrolysis reaction, obtain the sewage that phosphorus content is low;
B, enter successively in anaerobic pond, anoxic pond, first step Aerobic Pond, first step oxygen compatibility pool, second stage Aerobic Pond, second stage oxygen compatibility pool, third stage Aerobic Pond and react subsequently, obtain reacted sewage; Wherein, be 4-6h in the residence time of anaerobic pond, in anoxic pond, the residence time is 1.5-2h; Be 3-6h in the residence time of first step Aerobic Pond, second stage Aerobic Pond, third stage Aerobic Pond; And be 1.5-2h in the residence time of first step oxygen compatibility pool, second stage oxygen compatibility pool;
C, more reacted sewage is entered into settling tank by the water distributing pore on the dividing plate between third stage Aerobic Pond and described settling tank and process, obtain the water after process and remaining mud mixture, and the water after process is discharged by the water-freeing arrangement on settling tank top, and remaining mud mixture is passed in water outlet compartment, by the low water circulating pump in water outlet compartment, mud mixture is returned in described anaerobic pond, re-start reaction.
Beneficial effect: a kind of device and method improveing Bardenpho art breading sanitary sewage of the present invention, it is by adopting the deflector type improvement Bardenpho technique of A2O+ multistage A/O technique organic composition, structure formation adopts the ABR form after optimizing, not only play the advantage of improvement Bardenpho technique but also make full use of the hydraulics of ABR, prepared device is made to have structure simple to operation, low cost less energy-consumption, the method for carrying out sewage disposal by described device has that sanitary sewage disposal efficiency is high, technical process is short and the effect that level of automation is high.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram of improvement Bardenpho art breading sanitary sewage of the present invention.
Fig. 2 is the method particular flow sheet of improvement Bardenpho art breading sanitary sewage of the present invention.
Embodiment
The invention provides the device and method of improvement Bardenpho art breading sanitary sewage, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the invention provides a kind of device improveing Bardenpho art breading sanitary sewage, wherein said device comprises: for carrying out pretreated grid 1 and pump well 2 to sanitary sewage, in described pump well 2, be provided with a lifting water pump 3, described pump well 2 is connected with an iron carbon compartment 4, anaerobic pond 5, anoxic pond 6, first step Aerobic Pond 7, first step oxygen compatibility pool 8, second stage Aerobic Pond 9, second stage oxygen compatibility pool 10, third stage Aerobic Pond 11, settling tank 12 and water outlet compartment 19 in turn by promoting water pump 3.Concrete sanitary sewage refers to the sewage containing mud and other floating matters, and the Main Function of apparatus of the present invention processes this sanitary sewage immediately, removing mud and other impurity such as floating matter, phosphorus, and the water after handled by making can reach emission standard.
The present invention is by adopting the deflector type improvement Bardenpho technique of A2O+ multistage A/O technique organic composition, structure formation adopts the ABR form after optimizing, not only play the advantage of improvement Bardenpho technique but also make full use of the hydraulics of ABR, prepared device is made to have structure simple to operation, low cost less energy-consumption, the method for carrying out sewage disposal by described device has that sanitary sewage disposal efficiency is high, technical process is short and the effect that level of automation is high.
In preferred embodiment, between described third stage Aerobic Pond 11 and described settling tank 12, be provided with a dividing plate, bottom described dividing plate, be provided with some arrangement water holes; Described settling tank 12 top is also provided with one for the water-freeing arrangement 13 of the water after emission treatment; Be provided with a water circulating pump 14 in described water outlet compartment 19, described water outlet compartment 19 is connected with described anaerobic pond 5 by described water circulating pump 14.
The principle of work improveing the device of Bardenpho art breading sanitary sewage described in the present invention is: sanitary sewage enters into pump well after carrying out pre-treatment by grid, pretreated sewage is carried by the lifting water pump pump in pump well to iron carbon compartment, carries out micro-electrolysis reaction, enter anaerobic pond successively subsequently, anoxic pond, first step Aerobic Pond, first step oxygen compatibility pool, second stage Aerobic Pond, second stage oxygen compatibility pool, react in third stage Aerobic Pond, again reacted sewage is entered into settling tank by the water distributing pore on the dividing plate between third stage Aerobic Pond and described settling tank to process, obtain the water after process and remaining mud mixture, and the water after process is discharged by the water-freeing arrangement on settling tank top, and remaining mud mixture is passed in water outlet compartment, by the low water circulating pump in water outlet compartment, mud mixture is returned in described anaerobic pond, re-start reaction.The structural shape of device described in the present invention is substantially identical with ABR reaction tank, but its operation scheme is then made a world of difference with ABR technique.ABR is anaerobic biological reactor, and deflector type of the present invention improvement Bardenpho technique is added iron-carbon micro-electrolysis dephosphorization by the multistage A/O technique of A2O+ and formed, existing anoxic process also has aerobic process, thus more fast and effeciently carries out sewage disposal.
Preferably, described grid can be stationary grizzly or automatic grid, and its effect is to carry out pre-treatment to domestic water, retains the floating matter of large volume.
And in described iron carbon compartment, be provided with one for the iron-carbon micro-electrolysis filler layer of dephosphorization, preferably, the thickness of described iron-carbon micro-electrolysis filler layer is 200-500mm, such as 300mm, and flow velocity when wherein intaking is 1.5-3m/s.In preferred embodiment, described iron-carbon micro-electrolysis filler layer is arranged on the mid-way of described iron carbon compartment, and promote water pump by sewage lifting to iron carbon compartment time, can pass iron-carbon micro-electrolysis filler layer, by iron-carbon micro-electrolysis dephosphorization, its chemical equation is:
Fe –3e = Fe
+3 (1)
Fe
+3+ PO4
-3= FePO
4↓ (2)
4Fe
+3+ 3P
2O
7 -4= Fe
4(P
2O
7)
3 ↓ (3)
FePO
4↓ and Fe
4(P
2o
7)
3↓ solubility product very low, be respectively 3.98
-27with 2.51
-23, the concentration therefore by phosphorous in the sewage after iron-carbon micro-electrolysis filler layer is very low, can reach the object of dephosphorization.Further, the material that described iron-carbon micro-electrolysis filler layer adopts is the iron-carbon-M integration micro-electrolysis material of globosity, its diameter is 14mm, and the gap adopting globosity can make to have between its particle suitable size is passed through for sewage, and not easily results in blockage.
Further, one is provided with for making the dividing plate of sewage formation upward flow between described anoxic pond 6 and first step Aerobic Pond 7, between described first step oxygen compatibility pool 8 and second stage Aerobic Pond 9 and between described second stage oxygen compatibility pool 10 and third stage Aerobic Pond 11, top between each pond is communicated with, be provided with a drop aeration 17 at the top of described dividing plate, described drop aeration 17 is all connected to one for providing the low lift high flow capacity blower fan 16 of oxygen.Certainly, between described iron carbon compartment 4 and described anaerobic pond 5, also separated by dividing plate between described anaerobic pond 5 and described anoxic pond 6, sewage is flowed in different ponds by the unencapsulated dividing plate in top and (is referred to as in pond the inside of different compartments or reaction tank), and the waterpower drop in each pond is 200-300mm.The generation of placing and preventing latch up phenomenon can be reached.Wherein, described drop aeration 17 can carry out water distribution uniformity, and it has 2 grades of drop oxygenation abilities, described drop aeration 17 is also connected with low lift high flow capacity blower fan 16 simultaneously, blasts air and provide oxygen for reacting by low lift high flow capacity blower fan 16.In addition, the material of described dividing plate is not limited to concrete material, and it can also be formed by the material such as steel plate, glass reinforced plastic.
Further, described anaerobic pond 5, anoxic pond 6, be provided with one between first step Aerobic Pond 7 and first step oxygen compatibility pool 8, between second stage Aerobic Pond 9 and second stage oxygen compatibility pool 10 for changing the flap of effluent flow rate, in other words, the inside of described anaerobic pond 5 and anoxic pond 6 is provided with a flap separately, and between first step Aerobic Pond 7 and first step oxygen compatibility pool 8 two reaction tanks, be provided with a flap, also be provided with a flap between second stage Aerobic Pond 9 and second stage oxygen compatibility pool 10 two reaction tanks, it is lower to stream that described flap makes sewage be formed.In addition, described flap is totally irregular L-type structure, it is divided into section flap and lower section of flap two portions, wherein, described upper cut flap all with described anaerobic pond 5, anoxic pond 6, first step Aerobic Pond 7 and first step oxygen compatibility pool 8, second stage Aerobic Pond 9 is straight with the pond dolly of second stage oxygen compatibility pool 10, described lower section flap all with described anaerobic pond 5, anoxic pond 6, first step Aerobic Pond 7 and first step oxygen compatibility pool 8, second stage Aerobic Pond 9 is 45 ° with angle at the bottom of the pond of second stage oxygen compatibility pool 10, and gap is left from (be at the bottom of pond by the Tongcheng, bottom of different compartments or reaction tank) at the bottom of pond in the bottom of described lower section flap, form baffling mouth, current are from gap water distribution, steadily dirty current are accelerated suddenly at baffling mouth place, thus impact is formed to the Sludge Bed of bottom, make it float and reach the object making uniform fluid flow by sludge blanket, between gap, flow velocity designs according to >=1.1mm/s.
Certainly, described flap can also extend to the flap of eddy flow water distribution form, its underpart is provided with upper and lower 2 layers of cyclone pipe, the two spacing is 200-500mm, wherein lower floor's cyclone pipe is Φ 90(and diameter is 90mm) UPVC pipe, end rises the 1/2-2/3 distance that length is upward flow compartment (namely in each pond, the left-hand component of flap is called upward flow compartment, and right-hand component is called lower to stream compartment) width, is 450 angles with dividing plate; Upper strata cyclone pipe is the UPVC pipe of Φ 90, and end rises the 1/8-1/4 distance that length is upward flow compartment width, is the angle of 135 ° with dividing plate.Flap makes lengthening through stream total length of current, is more beneficial to the abundant reaction of sanitary sewage.
Preferably, all formed lower to stream compartment (i.e. water distribution area) and upward flow compartment (i.e. reaction zone) in described anaerobic pond 5 and anoxic pond 6 by described flap, be arranged in the sewage to stream compartment under anaerobic pond and anoxic pond, enter into upward flow compartment by the baffling mouth bottom flap to react, wherein sewage is 4-6h in the anaerobic pond residence time, is 1.5-2h in the anoxic pond residence time.In addition, the Aerobic Pond of the first step described in the present invention 7, second stage Aerobic Pond 9 and third stage Aerobic Pond 11 are that lower the current in portion in the inner of ascending the throne are and move downward to stream compartment, are 3-6h to residence time of sewage in stream compartment in these lower; And first step oxygen compatibility pool 8 and second stage oxygen compatibility pool 10 are upward flow compartment, namely the current of its inside are and move upward, and the sewage residence time is therein 1.5-2h, and the stop place of certain sewage in each compartment can be determined according to practical situation.
More specifically, described settling tank 12 surface load is 0.35-0.65m
3/ m
2.h, in described settling tank 12, be provided with a spoil disposal pipe network 15, described spoil disposal pipe network 15 comprises a main pipe be connected with water outlet compartment 19, and some sludge buckets be arranged on main pipe, and namely main pipe and sludge bucket are the form of casing.Described sludge bucket is also equipped with a mud suction inlet.By described sludge-discharge pipe net, mud mixture enters in water outlet compartment 19, and the water that can discharge after treatment is then discharged by water-freeing arrangement 13 set above settling tank, utilizes further.The water circulating pump 14 of a low lift high flow capacity is provided with in water outlet compartment, its reflux ratio is 15-30:1, can mud mixture collected from sludge-discharge pipe net be promoted in anaerobic pond by water circulating pump 14, again processing reaction is carried out together with the sewage pumped in pump well, described water circulating pump 14 can make the equal laminarization state of the sludge blanket in each compartment or reaction tank, organic pollutant in sewage can fully be contacted with mud, accelerate transmission speed, improve biochemical reaction speed.
In preferred embodiment, the top of described device is also provided with a tail gas discharging pipe for being carried out discharging by the tail gas produced in sewage treatment process, it is preferentially arranged on the top of water intake end and iron carbon compartment and anaerobic pond, such as, be set to the lamp post structure integrating illumination and be vented of one 12 meters high.Certainly, discharge again after the odor removals such as plasma also can being adopted to process tail gas.
As shown in Figure 2, the present invention also provides a kind of method of the improvement Bardenpho art breading sanitary sewage realized based on said apparatus, and it comprises the following steps:
S100, after sanitary sewage carries out pre-treatment by grid, enter into pump well, pretreated sewage is carried by the lifting water pump pump in pump well to iron carbon compartment, carries out micro-electrolysis reaction, obtain the sewage that phosphorus content is low;
S200, enter successively in anaerobic pond, anoxic pond, first step Aerobic Pond, first step oxygen compatibility pool, second stage Aerobic Pond, second stage oxygen compatibility pool, third stage Aerobic Pond and react subsequently, obtain reacted sewage; Wherein, be 4-6h in the residence time of anaerobic pond, in anoxic pond, the residence time is 1.5-2h; Be 3-6h in the residence time of first step Aerobic Pond, second stage Aerobic Pond, third stage Aerobic Pond; And be 1.5-2h in the residence time of first step oxygen compatibility pool, second stage oxygen compatibility pool;
S300, more reacted sewage is entered into settling tank by the water distributing pore on the dividing plate between third stage Aerobic Pond and described settling tank and process, obtain the water after process and remaining mud mixture, and the water after process is discharged by the water-freeing arrangement on settling tank top, and remaining mud mixture is passed in water outlet compartment, by the low water circulating pump in water outlet compartment, mud mixture is returned in described anaerobic pond, re-start reaction.
In the method for improvement Bardenpho art breading sanitary sewage of the present invention, specific implementation step refers to the above-mentioned elaboration to device, does not repeat them here.Process domestic sewage apparatus of the present invention and method, it has the following advantages:
(1) the deflector type improvement Bardenpho technique of A2O+ multistage A/O technique organic composition is adopted, structure formation adopts the ABR form after optimizing, not only play the advantage of improvement Bardenpho technique but also make full use of the hydraulics of ABR: one, current flow around flap, the total length flowed through is increased, the stop of flap and the settlement action of mud in addition, biosolids is trapped in each reaction tank effectively; Two, form separately independently compartment by flap, therefore each compartment can turn out the treatment effect of phase system and the stability of operation with it according to the difference entering substrate;
(2) the present invention by Measurement for Biochemistry, chemical reaction engineering technology, automatic control technology is organic combines together, makes the water quality reaching standard discharge of the final water obtained; And the present invention has less energy-consumption, low cost, efficiency is high, technical process is short, equipment is simple and the advantage such as management easy to operate;
(3) excess sludge produced in apparatus of the present invention is few, except the inorganic mud (as sandstone, metal, salt and inorganic earth etc.) that cannot degrade, most of organic residual sludge disintegration by the effect of microorganism, can be changed into methane, ethane, carbonic acid gas and water by this device;
(4) direct operating cost of the present invention is few, and it adopts the mode of drop water aeration to carry out oxygenation, is increased the oxygen concentration of drop periphery by forced-air blast mode, improves drop oxygenation effect; Aeration energy consumption is the 15-30% of aerobic activated sludge process; Owing to not needing sludge reflux, sludge dewatering, do not have mud to carry and the energy consumption of sludge treatment, the total energy consumption of Sewage treatment systems is only less than 30% of current Aerobic biological process system;
(5) in the present invention, technical process is short, low to wastewater influent water quality requirement, does not need to arrange preliminary sedimentation tank and second pond; A complete set of process facility can be placed in underground, and ground can be afforested, and also can build into leisure parks, parking lot etc.; And because equipment is few, level of automation is high, Sewage treatment systems does not need the full-time operational administrative of special messenger;
(6) the present invention also has higher denitrogenation dephosphorizing efficiency, and A2O+ multistage A/O technique inherently has the effect of good denitrogenation dephosphorizing at denitrogenation dephosphorizing, add the setting of iron-carbon micro-electrolysis dephosphorization system, makes concentration phosphorous in the water finally given off very low.
In sum, a kind of device and method improveing Bardenpho art breading sanitary sewage of the present invention, it is by adopting the deflector type improvement Bardenpho technique of A2O+ multistage A/O technique organic composition, structure formation adopts the ABR form after optimizing, not only play the advantage of improvement Bardenpho technique but also make full use of the hydraulics of ABR, prepared device is made to have structure simple to operation, low cost less energy-consumption, the method for carrying out sewage disposal by described device has that sanitary sewage disposal efficiency is high, technical process is short and the effect that level of automation is high.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. improve the device of Bardenpho art breading sanitary sewage for one kind, it is characterized in that, described device comprises: for carrying out pretreated grid and pump well to sanitary sewage, in described pump well, be provided with a lifting water pump, described pump well is connected with an iron carbon compartment, anaerobic pond, anoxic pond, first step Aerobic Pond, first step oxygen compatibility pool, second stage Aerobic Pond, second stage oxygen compatibility pool, third stage Aerobic Pond, settling tank and water outlet compartment in turn by promoting water pump;
Be provided with a dividing plate between described third stage Aerobic Pond and described settling tank, bottom described dividing plate, be provided with some arrangement water holes; Described settling tank top is also provided with one for the water-freeing arrangement of the water after emission treatment; Be provided with a water circulating pump in described water outlet compartment, described water outlet compartment is connected with described anaerobic pond by described water circulating pump;
Sanitary sewage enters into pump well after carrying out pre-treatment by grid, pretreated sewage is carried by the lifting water pump pump in pump well to iron carbon compartment, carries out micro-electrolysis reaction, enter anaerobic pond successively subsequently, anoxic pond, first step Aerobic Pond, first step oxygen compatibility pool, second stage Aerobic Pond, second stage oxygen compatibility pool, react in third stage Aerobic Pond, again reacted sewage is entered into settling tank by the water distributing pore on the dividing plate between third stage Aerobic Pond and described settling tank to process, obtain the water after process and remaining mud mixture, and the water after process is discharged by the water-freeing arrangement on settling tank top, and remaining mud mixture is passed in water outlet compartment, by the low water circulating pump in water outlet compartment, mud mixture is returned in described anaerobic pond, re-start reaction.
2. improve the device of Bardenpho art breading sanitary sewage according to claim 1, it is characterized in that, one is provided with for making the dividing plate of sewage formation upward flow between described anoxic pond and first step Aerobic Pond, between described first step oxygen compatibility pool and second stage Aerobic Pond and between described second stage oxygen compatibility pool and third stage Aerobic Pond, be provided with a drop aeration at the top of described dividing plate, described drop aeration is all connected to one for providing the low lift high flow capacity blower fan of oxygen.
3. improve the device of Bardenpho art breading sanitary sewage according to claim 1, it is characterized in that, described anaerobic pond, anoxic pond, being provided with one between first step Aerobic Pond and first step oxygen compatibility pool, between second stage Aerobic Pond and second stage oxygen compatibility pool for changing the flap of effluent flow rate; Described flap is divided into section flap and lower section of flap two portions, wherein, described upper cut flap all with the pond dolly of described anaerobic pond, anoxic pond, first step Aerobic Pond and first step oxygen compatibility pool, second stage Aerobic Pond and second stage oxygen compatibility pool directly, described lower section flap is all 45 ° with angle at the bottom of the pond of described anaerobic pond, anoxic pond, first step Aerobic Pond and first step oxygen compatibility pool, second stage Aerobic Pond and second stage oxygen compatibility pool.
4. improve the device of Bardenpho art breading sanitary sewage according to claim 1, it is characterized in that, all formed lower to spreading water compartment and upward flow water outlet compartment in described anaerobic pond and anoxic pond by described flap, to be arranged under anaerobic pond and anoxic pond to the sewage spreading water compartment, to enter into upward flow water outlet compartment by the baffling mouth bottom flap and react.
5. improve the device of Bardenpho art breading sanitary sewage according to claim 1, it is characterized in that, be provided with one in described iron carbon compartment for the iron-carbon micro-electrolysis filler layer of dephosphorization.
6. improve the device of Bardenpho art breading sanitary sewage according to claim 5, it is characterized in that, the thickness of described iron-carbon micro-electrolysis filler layer is 200-500mm.
7. improve the device of Bardenpho art breading sanitary sewage according to claim 5, it is characterized in that, the material of described iron-carbon micro-electrolysis filler layer is iron-carbon-M integration micro-electrolysis material; Described iron-carbon-M integration micro-electrolysis material is globosity, and its diameter is 14mm.
8. improve the device of Bardenpho art breading sanitary sewage according to claim 1, it is characterized in that, in described settling tank, be provided with a spoil disposal pipe network; Described spoil disposal pipe network comprises a main pipe be connected with water outlet compartment, and some sludge buckets be arranged on main pipe, described sludge bucket is also equipped with a mud suction inlet.
9. improve the device of Bardenpho art breading sanitary sewage according to claim 1, it is characterized in that, the top of described device is also provided with a tail gas discharging pipe for being carried out discharging by the tail gas produced in sewage treatment process.
10., based on a method for the improvement Bardenpho art breading sanitary sewage of device described in any one of claim 1-9, it is characterized in that, comprise the following steps:
A, after sanitary sewage carries out pre-treatment by grid, enter into pump well, pretreated sewage is carried by the lifting water pump pump in pump well to iron carbon compartment, carries out micro-electrolysis reaction, obtain the sewage that phosphorus content is low;
B, enter successively in anaerobic pond, anoxic pond, first step Aerobic Pond, first step oxygen compatibility pool, second stage Aerobic Pond, second stage oxygen compatibility pool, third stage Aerobic Pond and react subsequently, obtain reacted sewage; Wherein, be 4-6h in the residence time of anaerobic pond, in anoxic pond, the residence time is 1.5-2h; Be 3-6h in the residence time of first step Aerobic Pond, second stage Aerobic Pond, third stage Aerobic Pond; And be 1.5-2h in the residence time of first step oxygen compatibility pool, second stage oxygen compatibility pool;
C, more reacted sewage is entered into settling tank by the water distributing pore on the dividing plate between third stage Aerobic Pond and described settling tank and process, obtain the water after process and remaining mud mixture, and the water after process is discharged by the water-freeing arrangement on settling tank top, and remaining mud mixture is passed in water outlet compartment, by the low water circulating pump in water outlet compartment, mud mixture is returned in described anaerobic pond, re-start reaction.
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| CN201510352364.0A CN104944705B (en) | 2015-06-24 | 2015-06-24 | Improve the device and method of Bardenpho PROCESS FOR TREATMENT sanitary sewages |
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| CN107777772A (en) * | 2016-08-26 | 2018-03-09 | 广州市环境保护工程设计院有限公司 | A kind of integrated A AO sewage purifiers and its sewage water treatment method |
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