CN201240947Y - Multilevel artificial geology fast seepage processing system of livestock and poultry sewage water terminal - Google Patents
Multilevel artificial geology fast seepage processing system of livestock and poultry sewage water terminal Download PDFInfo
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- CN201240947Y CN201240947Y CNU2008201902205U CN200820190220U CN201240947Y CN 201240947 Y CN201240947 Y CN 201240947Y CN U2008201902205 U CNU2008201902205 U CN U2008201902205U CN 200820190220 U CN200820190220 U CN 200820190220U CN 201240947 Y CN201240947 Y CN 201240947Y
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Abstract
The utility model relates to a sewage treatment system, in particular to a multilevel artificial geology rapid infiltration processing system for livestock sewage terminal, which is characterized in that: the processing system comprises a left rapid infiltration tank group and a right rapid infiltration tank group; wherein, the right rapid infiltration tank group includes a right first-level rapid infiltration tank, a right second-level rapid infiltration tank and a right third-level rapid infiltration tank which are sequentially arrayed from the top to the bottom; and percolation mediums are arranged in the right first-level rapid infiltration tank, the right second-level rapid infiltration tank and the right third-level rapid infiltration tank; the left rapid infiltration tank group includes a left first-level rapid infiltration tank, a left second-level rapid infiltration tank and a left third-level rapid infiltration tank which are sequentially arrayed from the top to the bottom; and percolation mediums are arranged in the left first-level rapid infiltration tank, the left second-level rapid infiltration tank and the left third-level rapid infiltration tank. The processing system has the advantages that: the cost is low, the processing efficiency is high, and the operation is simple.
Description
Technical field
The utility model relates to a kind of Sewage treatment systems.
Background technology
The treatment process of livestock and poultry sewage mainly contains these three kinds of anaerobic treatment, anaerobism+aerobic treatment, aerobic treatment.Generally speaking, sewage is used aerobic treatment more earlier through anaerobically fermenting.Because the BOD of sewage
5Be worth very highly, and the expense of aerobic treatment is higher, and it is infeasible therefore to adopt aerobic process to dispose of sewage fully.And water outlet often can not reach emission standard, particularly heavy metal to livestock and poultry sewage after anaerobism, aerobic treatment, nitrogen phosphorus equal size is higher, and common biological process can not be removed.
Have in the prior art and adopt oxidation pond or soil treatment process, oxidation pond mainly relies on approach removal pollutants in sewage such as waterplant absorption, natural purifying ability is low, the residence time is long, degradation rate is slow, the nitrogen of higher concentration, phosphorus and heavy metal are difficult to dissipate in the sewage, and long-time running must bring problems such as eutrophication.And traditional soil processing load is low, and it is big disturbed by weather, and influence factor is more, operates wayward; Artificial swamp is a kind of as improved soil treatment technology, in the improvement of landscape water and micropollutant water, application is arranged, can normally move general summer, winter, growth was close to stagnation because the face of land plants trees, huge root system easily causes matrix to stop up, system's reparation is very difficult, is not suitable for long-time running; Artificial rapid diafiltration (CRI) system is after carrying out research summary to all kinds land treatment system, problem such as low at the ubiquitous hydraulic load of traditional wastewater land treatment system, that the unit surface processing power is little proposes, it has used for reference quick infiltration land treating systems of sewage and manual construction wet land system to a great extent, and learn from other's strong points to offset one's weaknesses, become novel sewage disposal technology with self-character.Adopt the good particular fillers of diafiltration to lay, sewage cloth is being oozed on the pond soon, pollutent is removed in the physics of the complexity that takes place when permeating downwards by sewage, chemistry and biological action, realizes purification of water quality.At present this technology has been successfully applied in the improvement of sanitary sewage, by the alternation of wetting and drying mode sewage is handled, and a waterflooding and once to fall dried be a hydraulic load cycle makes water outlet up to standard by the adjustment hydraulic load cycle.
The advantage of CRI system is that engineering is simple and easy, and construction investment is few, does not need to add pharmaceutical chemicals and complicated mechanical equipment, does not produce a large amount of mud, has higher hydraulic load, and it is little that floor space is compared the fast cementation process of tradition; But many shortcomings are arranged also: 1, artificial adaptive efficient filtrate is better to the treatment effect of sewage of low concentration, and the higher concentration sewage sewage removal effect that particularly nitrogen and phosphorus content is high is bad; 2, system needs certain working cost, and periodically water distribution needs to regulate with water pump, and need personal management because the water inlet number of times is frequent every day; 3, system needs renovation again or changes filler in case obstruction is difficult to rapid recovery, increases maintenance cost.
Summary of the invention
The purpose of this utility model is to provide the terminal multistage artificial geology of livestock and poultry sewage that a kind of cost is low, processing efficiency is high, simple to operate to ooze treatment system soon.
To achieve these goals, the technical solution of the utility model is: the terminal multistage artificial geology of livestock and poultry sewage is oozed treatment system soon, it is characterized in that it comprises that a left side oozes pond group, the right side soon and ooze the pond group soon;
The right side is oozed the pond group soon and is comprised that the right first step oozes soon that the pond is oozed in pond, the right second stage soon, the right third stage is oozed the pond soon; The right first step oozes soon that the pond is oozed in pond, the right second stage soon, the right third stage is oozed the pond soon and is brick mix structure, and the right first step oozes soon that the pond is oozed in pond, the right second stage soon, the right third stage is oozed the pond soon and is arranged in order from top to bottom, and adjacent two-stage oozes soon that drop is 0.8～1.0m between the pond; The right first step oozes soon that the pond is oozed in pond, the right second stage soon, the right third stage is oozed soon and is equipped with filtration media in the pond; The right side, upper end that the right first step is oozed in the pond soon is provided with right first braiding channel, the output port of the 4th waste pipe communicates with right first braiding channel, the input port of the 4th waste pipe is connected with the output terminal of multilevel bionic attitude oxidation ditch, the 4th waste pipe is provided with control valve, the upper end that the right first step is oozed in the pond soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with right first braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the right first step is oozed the filtration media in the pond soon; The right side, upper end that ooze in the pond soon the right second stage is provided with right second braiding channel, and the left side wall that the right first step is oozed the pond soon is provided with posticum, and the posticum that the right first step is oozed on the left side wall in pond soon communicates with right second braiding channel; The upper end that ooze in the pond soon the right second stage is provided with the water spray person in charge, the end that water spray is responsible for communicates with right second braiding channel, water spray is responsible for and is provided with the water spray arm, is evenly distributed with aperture on the water spray arm, and water spray is responsible for, the water spray arm lays respectively at the top that the right second stage is oozed the filtration media in the pond soon; The right side, upper end that the right third stage is oozed soon in the pond in is provided with right the 3rd braiding channel, and the left side wall that the right second stage is oozed the pond soon is provided with posticum, and the posticum that ooze on the left side wall in pond soon the right second stage communicates with the right side the 3rd braiding channel; The upper end that the right third stage is oozed in the pond soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with right the 3rd braiding channel, water spray is responsible for and is provided with the water spray arm, is evenly distributed with aperture on the water spray arm, and water spray is responsible for, the water spray arm lays respectively at the top that the right third stage is oozed the filtration media in the pond soon; The left side wall that the right third stage is oozed the pond soon is provided with posticum, and the posticum that the right third stage is oozed on the left side wall in pond soon communicates with the 4th braiding channel, and the 4th braiding channel is positioned at the right third stage and oozes soon outside the left side wall in pond;
A left side is oozed the pond group soon and is comprised that the left first step oozes soon that the pond is oozed in pond, the left second stage soon, the left third stage is oozed the pond soon; The left side first step oozes soon that the pond is oozed in pond, the left second stage soon, the left third stage is oozed the pond soon and is brick mix structure, and the left first step oozes soon that the pond is oozed in pond, the left second stage soon, the left third stage is oozed the pond soon and is arranged in order from top to bottom, and adjacent two-stage oozes soon that drop is 0.8～1.0m between the pond; The left side first step oozes soon that the pond is oozed in pond, the left second stage soon, the left third stage is oozed soon and is equipped with filtration media in the pond; The right side, upper end that the left side first step is oozed in the pond soon is provided with left first braiding channel, the output port of the 3rd waste pipe communicates with left first braiding channel, the input port of the 3rd waste pipe is connected with the output terminal of multilevel bionic attitude oxidation ditch, and the 3rd waste pipe is provided with control valve; The upper end that the left side first step is oozed in the pond soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with left first braiding channel, water spray is responsible for and is provided with the water spray arm, is evenly distributed with aperture on the water spray arm, and water spray is responsible for, the water spray arm lays respectively at the top that the left first step is oozed the filtration media in the pond soon; The right side, upper end of oozing soon in the pond, the second stage, a left side is provided with left second braiding channel, and the left side wall that the left first step is oozed the pond soon is provided with posticum, and the posticum that the left first step is oozed on the left side wall in pond soon communicates with left second braiding channel; The upper end that ooze in the pond soon the second stage, a left side is provided with the water spray person in charge, the end that water spray is responsible for communicates with left second braiding channel, water spray is responsible for and is provided with the water spray arm, is evenly distributed with aperture on the water spray arm, and water spray is responsible for, the water spray arm lays respectively at the top that the left second stage is oozed the filtration media in the pond soon; The left side third stage is oozed right side, the upper end pond in soon and is provided with a left side the 3rd braiding channel, and the left side wall that the left second stage is oozed the pond soon is provided with posticum, and the posticum that ooze on the left side wall in pond soon the left second stage communicates with left the 3rd braiding channel; The upper end that the left side third stage is oozed in the pond soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with a left side the 3rd braiding channel, water spray is responsible for and is provided with the water spray arm, is evenly distributed with aperture on the water spray arm, and water spray is responsible for, the water spray arm lays respectively at the top that the left third stage is oozed the filtration media in the pond soon; The left side wall that the left side third stage is oozed the pond soon is provided with posticum, and the posticum that the left third stage is oozed on the left side wall in pond soon communicates with the 4th braiding channel, and the 4th braiding channel is positioned at the left third stage and oozes soon outside the left side wall in pond, and output tube communicates with the 4th braiding channel.
The invention has the beneficial effects as follows:
1, this system is primarily aimed at the end processing of the higher livestock and poultry sewage of nitrogen and phosphorus content and designs, and concentration of nitrogen and phosphorus is higher than several times of sanitary sewages in the livestock and poultry sewage after common biological process is handled, and directly adopts the CRI system can't realize the efficient removal of nitrogen phosphorus.And ground pit wood material such as zeolite, vermiculite, modified coal ash, slag and Water Quenching Slag that this system adopts and industrial residue have the ability of high-efficient denitrification and dephosphorization, existing higher hydraulic load guarantees that again treat effluent reaches the requirement of " livestock and poultry sewage drainage standard (calendar year 2001) ".
2, the operation of this system need not any expense, utilize natural physical features drop, sewage oozes down naturally by gravity, reduce the working cost that pump energy consumption brings, be suitable for plant's sewage disposal of various scales, especially have the livestock and poultry farm waste water treatment project of the mountain region or the knob of rural area characteristic.
3, this system adopts the modularization operation scheme, and two cover system alternate runs (left side is oozed pond group, the right side soon and oozed the pond group soon) can switch to the redundant system operation by valve immediately in case stop up, and avoid stopping up causing a whole set of technology to be paralysed.Stop up mainly is that the organic concentration of intaking is too high, causes organic metabolism unbalanced because the biomembranous speed of growth is too fast, be difficult to quick reparation, by stopping the organic input and the degraded of certain hour, system can recover voluntarily, so system adopts bimodulus piece alternate run.
This system has high hydraulic load, is about 1.2m/d (m
3/ m
2D), be higher than at influent concentration under the situation of sanitary sewage, can reach the hydraulic load 1.0-1.5m/d (m consistent with existing CRI technology
3/ m
2D).Water distribution is 4 times in the CRI system one day, and each water distribution 15-20 minute, frequent waterflooding frequently fell dried, and water pump will start operation repeatedly every day, and energy consumption is higher.Multistage artificial geology is oozed system soon and then is not subjected to the fixedly restriction in water distribution cycle, according to local geographical situation, the variation of potential condition and water-in and water-out water quality, and the difference of livestock and poultry sewage flush time, hydraulic load that can corresponding Adjustment System reaches the top condition of steady running.
System's hydraulic load is higher, according to the different differences to some extent with the water quality situation of livestock and poultry cultivation sewage drainage amount, reaches as high as 1.2m/d (m
3/ m
2D), native system less investment, processing efficiency height, operation simple to operate, unpowered, applied widely, the livestock and poultry sewage that nitrogen and phosphorus content is exceeded several times of sanitary sewages still has treatment effect preferably.
The utility model is specially adapted to handle the sewage nitrogenous, that phosphorus concentration is high, such as livestock and poultry sewage still below standard waste water, sanitary sewage, eutrophication natural water or the like after anaerobism, aerobic treatment.
Description of drawings
Fig. 1 is the process flow sheet of livestock and poultry cultivation sewage treatment process;
Fig. 2 is a structural representation of realizing the livestock and poultry cultivation Sewage treatment systems of livestock and poultry cultivation sewage treatment process;
Fig. 3 is a vertical view of the present utility model;
Fig. 4 is the sectional view of Fig. 3 along the D-D line;
Fig. 5 is the sectional view of Fig. 3 along the E-E line;
Fig. 6 is the part sectioned view that oozes the filtration media in the pond soon of the present utility model;
Among the figure: 1-barrier, 2-settling pit, 3-water collecting basin, 4-acidifying equalizing tank, 5-first waste pipe, 6-mud soil pipe, 7-scum silica frost drying bed, 8-biogas pipe, 9-bladder tank, the 10-supercharger, 11-red-sludge plastic anaerobic ferment devices (or claiming red-sludge plastic anaerobically fermenting pond), 12-second waste pipe, 13-multilevel bionic attitude oxidation ditch, the terminal multistage artificial geology of 14-livestock and poultry sewage is oozed treatment system, 15-the 3rd waste pipe soon, 16-the 4th waste pipe, right first braiding channel of 17-, the right first step of 18-is oozed the pond soon, and 19-oozes the pond in the right second stage soon, the right third stage of 20-is oozed the pond soon, a 21-left side first braiding channel, the 22-person in charge that sprays water, the 23-arm of spraying water, the 24-left side first step is oozed the pond soon, the second stage, a 25-left side is oozed the pond soon, and the 26-left side third stage is oozed the pond, the 27-posticum soon, 28-the 4th braiding channel, the 29-output tube, 30-metalling, 31-nylon wire, 32-functional filler layer, 33-ore in sand form layer.
Embodiment
As Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the terminal multistage artificial geology of livestock and poultry sewage is oozed treatment system soon, and it comprises that a left side oozes pond group, the right side soon and ooze the pond group soon;
The right side is oozed the pond group soon and is comprised that the right first step oozes soon that pond 19 is oozed in pond 18, the right second stage soon, the right third stage is oozed pond 20 soon; The right first step oozes soon that pond 19 is oozed in pond 18, the right second stage soon, the right third stage is oozed pond 20 soon and is brick mix structure, the right first step oozes soon that pond 19 is oozed in pond 18, the right second stage soon, the right third stage is oozed pond 20 soon and is arranged in order from top to bottom, and adjacent two-stage oozes soon that drop is 0.8～1.0m between the pond; The right first step oozes soon that pond 19 is oozed in pond 18, the right second stage soon, the right third stage is oozed soon in the pond 20 and is equipped with filtration media; The right first step is oozed right sides, upper end in the pond 18 soon and is provided with right first braiding channel 17 (right side among Fig. 4 is the right side, a left side is the left side), the output port of the 4th waste pipe 16 communicates with right first braiding channel 17, the input port of the 4th waste pipe 16 is connected with the output terminal of multilevel bionic attitude oxidation ditch 13, the 4th waste pipe 16 is provided with control valve, the upper end that the right first step is oozed in the pond 18 soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with right first braiding channel 17, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the right first step is oozed the filtration media in the pond 18 soon; The right sides, upper end that ooze in the pond 19 soon the right second stage are provided with right second braiding channel, and the left side wall that the right first step is oozed pond 18 soon is provided with posticum, and the posticum that the right first step is oozed on the left side wall in pond 18 soon communicates with right second braiding channel; The upper end that ooze in the pond 19 soon the right second stage is provided with the water spray person in charge, the end that water spray is responsible for communicates with right second braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the right second stage is oozed the filtration media in the pond 19 soon; The right sides, upper end that the right third stage is oozed in the pond 20 soon are provided with right the 3rd braiding channel, and the left side wall that the right second stage is oozed pond 19 soon is provided with posticum, and the posticum that ooze on the left side wall in pond 19 soon the right second stage communicates with the right side the 3rd braiding channel; The upper end that the right third stage is oozed in the pond 20 soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with right the 3rd braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the right third stage is oozed the filtration media in the pond 20 soon; The left side wall that the right third stage is oozed pond 20 soon is provided with posticum, and the posticum that the right third stage is oozed on the left side wall in pond 20 soon communicates with the 4th braiding channel, and the 4th braiding channel is positioned at the right third stage and oozes soon outside the left side wall in pond 20;
A left side is oozed the pond group soon and is comprised that the left first step oozes soon that pond 25 is oozed in pond 24, the left second stage soon, the left third stage is oozed pond 26 soon; The left side first step oozes soon that pond 25 is oozed in pond 24, the left second stage soon, the left third stage is oozed pond 26 soon and is brick mix structure, the left side first step oozes soon that pond 25 is oozed in pond 24, the left second stage soon, the left third stage is oozed pond 26 soon and is arranged in order from top to bottom, and adjacent two-stage oozes soon that drop is 0.8～1.0m between the pond; The left side first step oozes soon that pond 25 is oozed in pond 24, the left second stage soon, the left third stage is oozed soon in the pond 26 and is equipped with filtration media; The right side, upper end that the left side first step is oozed in the pond 24 soon is provided with left first braiding channel 21 (right side among Fig. 5 is the right side), the output port of the 3rd waste pipe 15 communicates with left first braiding channel 21, the input port of the 3rd waste pipe 15 is connected with the output terminal of multilevel bionic attitude oxidation ditch 13, and the 3rd waste pipe 15 is provided with control valve; The upper end that the left side first step is oozed in the pond 24 soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with left first braiding channel 21, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the left first step is oozed the filtration media in the pond 24 soon; The right sides, upper end that ooze in the pond 25 soon the second stage, a left side are provided with left second braiding channel, and the left side wall that the left first step is oozed pond 24 soon is provided with posticum, and the posticum that the left first step is oozed on the left side wall in pond 24 soon communicates with left second braiding channel; The upper end that ooze in the pond 25 soon the second stage, a left side is provided with the water spray person in charge, the end that water spray is responsible for communicates with left second braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the left second stage is oozed the filtration media in the pond 25 soon; The right sides, upper end that the left side third stage is oozed in the pond 26 soon are provided with a left side the 3rd braiding channel, and the left side wall that the left second stage is oozed pond 25 soon is provided with posticum, and the posticum that ooze on the left side wall in pond 25 soon the left second stage communicates with left the 3rd braiding channel; The upper end that the left side third stage is oozed in the pond 26 soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with a left side the 3rd braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the left third stage is oozed the filtration media in the pond 26 soon; The left side wall that the left side third stage is oozed pond 26 soon is provided with posticum, and the posticum that the left third stage is oozed on the left side wall in pond 26 soon communicates with the 4th braiding channel, and the 4th braiding channel is positioned at the left third stage and oozes soon outside the left side wall in pond 26, and output tube 29 communicates with the 4th braiding channel 28.
Described filtration media comprises ore in sand form layer 33, functional filler layer 32, metalling 30, ore in sand form layer 33, functional filler layer 32, metalling 30 are arranged from top to bottom successively, the thickness of ore in sand form layer is 0.3m, the material of ore in sand form layer is any one or the mixing that (contains two kinds) more than two kinds in Dali stone sand, river sand, the grouan, is any proportioning during mixing more than two kinds; The thickness of functional filler layer is 0.5m, and the functional filler layer is made up of denitrogenation layer and dephosphorization layer, and the volume ratio of denitrogenation layer and dephosphorization layer is 2: 1, and the denitrogenation layer is positioned at (or being positioned under the dephosphorization layer) on the dephosphorization layer; The material of denitrogenation layer is mainly efficient denitrogenation mineral material such as zeolite, vermiculite, modified coal ash and mixes, and the volume ratio of zeolite, vermiculite, modified coal ash is 3:2:1～5:2:1; The material of dephosphorization layer is the mixing of any one or two kinds in slag, the blast furnace granulated slag, and two kinds is any proportioning when mixing; Metalling is a supporting layer, and the material of metalling is any one or the mixing that (contains two kinds) more than two kinds in shale, limestone, the gravel, is any proportioning during mixing more than two kinds, and the thickness of metalling is 0.1m; The material particle size of metalling is 1.0～2.0cm, and the material particle size of functional filler layer is 0.8～2.0mm, and the packing material size of ore in sand form layer is 0.5～1.0mm.
Be provided with nylon wire 31 between ore in sand form layer 33 and the functional filler layer 32, be provided with nylon wire 31 between functional filler layer 32 and the metalling 30.(interlayer separates with nylon wire).
Every grade oozes the pond height soon is 0.9 meter, and system is high 2.7 meters, and the pool wall that oozes the pond soon exceeds filtration media 0.2m as the protection height.Each oozes the long 14.4m in pond, wide 2.5m soon.Two groups are set up in parallel, and adopt bimodulus piece alternate run mode.
The terminal multistage artificial geology of livestock and poultry sewage is oozed treatment system 14 soon: though the sewage after multilevel bionic attitude oxidation ditch is handled has been removed most of organic substance, but nitrogen phosphorus, heavy metal content are still higher, also need to enter the multistage artificial geology system of oozing soon and further handle, multistage artificial geology is oozed amounts of residual contamination do such as system high efficiency removal nitrogen phosphorus, heavy metal soon.
Sewage is uniformly distributed in by water distributor after pre-treatment and oozes pool surface soon, nature vertical current mode is passed through filtration media from top to bottom, pollutent is by the filtration of physics, absorption, volatilization, the decomposition and the conversion of chemistry, the degraded of microorganism, effects such as absorption are become simple by complexity, by the macromole molecule that diminishes, become and to utilize by utilizing, absorb, constantly upgrade and cyclic regeneration, particularly the organic substance of holding back in the filtrate makes microbial reproduction, microorganism is further absorption again, the microbial film that formation is made up of zoogloea and a large amount of hypha,hyphae, the microbial film effect of filter material surface is mainly leaned in the removal of pollutent.When effluent stream through the time, natural mineral in the filtrate and industrial residue are to the absorption and the biomembranous throwing out of organic matter, held back a large amount of solvability organic matters and suspended matter, the microbial film that enriches of filter material surface has certain degradation capability simultaneously, and water quality is purified.Realize system's oxygenation by the alternation of wetting and drying water distribution manner, finish the circulation of anaerobic-aerobic biodegradation process, when organism is degraded, microbial film is owing to metabolism is brought in constant renewal in, reach the dynamic biological metabolic balance, quicken nitration denitrification denitrogenation efficient, keep removal effect chronically, realize the long-term efficient stable operation of system pollutent.
As shown in Figure 1 and Figure 2, the livestock and poultry cultivation sewage treatment process, it comprises the steps:
1) sewage pre-treatment: livestock and poultry cultivation sewage is discharged the back and is flowed into the waterways, behind the removal foreign material of the barrier in the waterways (macrofiber, hair etc.), enters the settling pit precipitation; Enter water collecting basin behind the solid substance (, in settling pit, precipitating) of sewage in settling pit precipitation removal sewage as macrobead solid substances such as excrement slag, sediment, scum silica frost; After mixing, sewage enters the acidifying equalizing tank in water collecting basin, organism and macromolecular substance in acidification pool under the effect of acid formers acidification hydrolization (this link do not need outside add acid for adjusting pH value), for producing biogas, follow-up anaerobic pond prepares, precipitation is removed the soluble pollutent in the sewage then, and the supernatant liquor in the acidifying equalizing tank enters follow-up red-sludge plastic anaerobic ferment devices by the equilibrium of outlet regulating device;
The water intake mode of sewage pre-treatment is an intermittent loading, and water intake mode is to intake twice every day, after intaking 2 hours for the first time, and intermittently 6 hours, advance water for the second time again, flooding time is 2 hours; The water inlet back is intermittently 14 hours for the second time, intakes, intermittently hockets; Water intake mode behind the acidifying equalizing tank becomes the continuity water inlet from the intermittent loading of sewage pretreatment stage, thereby has reduced the unbalanced influence of giving follow-up anaerobically fermenting pond of water quality and quantity;
2) stop in the red-sludge plastic anaerobic ferment devices through the sewage behind the acidifying equalizing tank and carried out anaerobically fermenting in 12～15 days, utilize nearly mesophilic digestion technology (for existing technology) to remove the organic substance in the sewage, the methane recovery utilization of generation; The water intake mode of red-sludge plastic anaerobic ferment devices is the continuity water inlet;
3) outlet water biogas liquid behind red-sludge plastic anaerobic ferment devices anaerobically fermenting enters multilevel bionic attitude oxidation ditch, [be made up of 2～12 mimic ecological oxidation ditches by baffling irrigation canals and ditches mode and natural vertical current mode by multilevel bionic attitude oxidation ditch in multilevel bionic attitude oxidation ditch for sewage, first step mimic ecological oxidation ditch is arranged in order and is interconnected (being nature vertical current mode) to low to the last step mimic ecological oxidation ditch from height, and drop is 0.4～0.6m between the adjacent two-stage mimic ecological oxidation ditch; Each grade mimic ecological oxidation ditch adopts baffling irrigation canals and ditches mode], fully dissolved oxygen and oxygenation, be 3～6 days its residence time, degradation of organic substances matter, and denitrogenation dephosphorizing;
4) water outlet after multilevel bionic attitude oxidation ditch is handled enters multistage artificial geology and oozes system soon, and natural vertical current mode is from top to bottom by filtration media, the water outlet qualified discharge.
Realize the livestock and poultry cultivation Sewage treatment systems of above-mentioned technology, it comprises that sewage preprocessing system, red-sludge plastic anaerobic ferment devices 11, multilevel bionic attitude oxidation ditch 13, multistage artificial geology oozes system 14, bladder tank 9, supercharger 10 soon; The sewage preprocessing system comprises waterways, barrier 1, settling pit 2, water collecting basin 3, acidifying equalizing tank 4, and an end in waterways is connected with the livestock and poultry cultivation outfall, and the other end in waterways is connected with the input terminus of settling pit 2, is provided with barrier 1 in the waterways; The output terminal of settling pit 2 is connected with the input terminus of water collecting basin 3, the output terminal of water collecting basin 3 is connected with the input terminus of acidifying equalizing tank 4, the bottom of acidifying equalizing tank 4 is provided with mud soil pipe 6 (on establish control valve), and acidifying equalizing tank 4 is connected with scum silica frost drying bed 7 by mud soil pipe 6; The output terminal of acidifying equalizing tank 4 is by first waste pipe 5 be connected with the input terminus of red-sludge plastic anaerobic ferment devices 11 (output terminal of first waste pipe 5 sets out a mouthful setter); Red-sludge plastic anaerobic ferment devices 11 is provided with the collecting methane cover, one end of biogas pipe 8 is connected with the collecting methane cover, the other end of biogas pipe 8 is connected with the input terminus of bladder tank 9, the output terminal of bladder tank 9 is connected with the input terminus of supercharger 10, and the output terminal of supercharger 10 links to each other with the biogas user; The sewage output terminal of red-sludge plastic anaerobic ferment devices 11 is connected by the input terminus of second waste pipe 12 with multilevel bionic attitude oxidation ditch 13, and the output terminal of multilevel bionic attitude oxidation ditch 13 is connected with the input terminus that multistage artificial geology is oozed system 14 soon.
The length and width of described barrier 1 are of a size of 0.4m * 0.4m, be welded to each other and reticulate structure by cross reinforcement bar, perpendicular reinforcing rod, the cross reinforcement bar is the fine steel rib bar, perpendicular reinforcing rod is the crude steel rib, gap 25mm between the crude steel rib, gap 15mm between the fine steel rib bar, during installation, and the inclination angle between the vertical surface is 45 °～60 °.
The length and width of described settling pit 2 are of a size of 2m * 1m, and the degree of depth is 0.8m (significant depth), brick mix structure, and the ingress of settling pit is provided with the current baffle plate.Settling pit adopts prior art.
Described water collecting basin 3 is the underground type round shape, brick mix structure, and the degree of depth is 2.3～3.5m (significant depth), useful volume 20-40m
3
Described acidifying equalizing tank 4 adopts the semi-underground type brick mix structure, and the degree of depth is 2.5m (significant depth), hydraulic detention time 1 day; The Chi Ding of acidifying equalizing tank is provided with the scum silica frost swash plate, and the bottom is provided with back taper open caisson and mud scum pipe.
Described red-sludge plastic anaerobic ferment devices 11 can adopt existing installation.The design hydraulic detention time of red-sludge plastic anaerobic ferment devices (or claiming red-sludge plastic to produce anaerobic ferment devices) 11 is 12～15 days, 6 lattice (as shown in Figure 2) are set, the visual local landform of every lattice size is suitably adjusted, available depth is generally 3.8m, adopt the underground type concrete structure, Chi Ding covers skin for the arch form red-sludge plastic.Utilize the most of organic substance in the nearly mesophilic digestion technology removal sewage, and produce a large amount of biogas.At the lower characteristics of existing red-sludge plastic fermentation technique fermentation efficiency, suitably increasing hydraulic detention time is 12～15 days, more shallow at the pond body, be subjected to the influence of winter low temperature easily, deepen the pond body degree of depth, and the external wall in part pond is set up convenient inexpensive lagging material on the ground, as common plastics foam etc., and outside whole anaerobic ferment devices, set up heat preservation greenhouse, and heat preservation greenhouse adopts steel framed structure, and material adopts greenhouse canopy PC plate.
Described multilevel bionic attitude oxidation ditch 13 is to improve on the prior art, adopts 2～12 mimic ecological oxidation ditches to form (each mimic ecological oxidation ditch adopts prior art).1), fall the relatively poor shortcoming of oxidation effect at existing mimic ecological oxidation ditch shallow-layer dissolved oxygen, thin layer, according to local physiographic relief drop, classification is set up with original mimic ecological oxidation ditch; First step mimic ecological oxidation ditch is arranged in order and is interconnected (being nature vertical current mode) to low to the last step mimic ecological oxidation ditch from height, and drop is 0.4～0.6m between the adjacent two-stage mimic ecological oxidation ditch; Each grade mimic ecological oxidation ditch adopts baffling irrigation canals and ditches mode; Adopt step by step and reduce, the enhanced sewage dissolved oxygen that flows falls the oxygenation function.Multilevel bionic attitude oxidation ditch 13 among Fig. 2 is three groups goes here and there mutually, every group of 2 mimic ecological oxidation ditches.2), the waterplant easily death of adopting at existing mimic ecological oxidation ditch in winter, the shortcoming that causes poor denitrification and dephosphorization effect, adopt a kind of fast growth, can both efficiently utilize nitrogen and phosphorus growth in the sewage at all seasons, and can be as the plant of animal and fowl fodder as " the chrysanthemum fire hose ".Sewage biodegradability of outlet water biogas liquid behind anaerobically fermenting is poor, single biochemical degradation method is difficult to be removed, utilize the mobile dissolved oxygen of drop realization sewage shallow-layer, the thin layer of physiographic relief to fall oxygenation and enter into multilevel bionic attitude oxidation ditch this moment, organic by measures such as multiple tracks filter screen, water surface planting aquatic plants degraded simultaneously, and denitrogenation dephosphorizing.Adopt forms such as nature vertical current and baffling irrigation canals and ditches, mainly form by several sections such as filter screen, traverse baffle, cross flow plate, mud open caisson, mud backflow inclined-plane, waterplant.Multilevel bionic attitude oxidation ditch be 0.4～0.6m deeply, the discrepancy in elevation is 0.4～0.6m between every grade, wide is 1.0～1.5m, sewage residence time in multilevel bionic attitude oxidation ditch is 3～6 days, degradation of organic substances matter, and denitrogenation dephosphorizing.
Claims (3)
1. the terminal multistage artificial geology of livestock and poultry sewage is oozed treatment system soon, it is characterized in that it comprises that a left side oozes pond group, the right side soon and ooze the pond group soon;
The right side is oozed the pond group soon and is comprised that the right first step oozes soon that pond (19) is oozed in pond (18), the right second stage soon, the right third stage is oozed pond (20) soon; The right first step oozes soon that pond (19) is oozed in pond (18), the right second stage soon, the right third stage is oozed pond (20) soon and is brick mix structure, the right first step oozes soon that pond (19) is oozed in pond (18), the right second stage soon, the right third stage is oozed pond (20) soon and is arranged in order from top to bottom, and adjacent two-stage oozes soon that drop is 0.8～1.0m between the pond; The right first step oozes soon that pond (19) is oozed in pond (18), the right second stage soon, the right third stage is oozed soon in the pond (20) and is equipped with filtration media; The right side, upper end that the right first step is oozed in the pond (18) soon is provided with right first braiding channel (17), the output port of the 4th waste pipe (16) communicates with right first braiding channel (17), the input port of the 4th waste pipe (16) is connected with the output terminal of multilevel bionic attitude oxidation ditch (13), the 4th waste pipe (16) is provided with control valve, the upper end that the right first step is oozed in the pond (18) soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with right first braiding channel (17), water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the right first step is oozed the filtration media in the pond (18) soon; The right side, upper end that ooze in the pond (19) soon the right second stage is provided with right second braiding channel, and the left side wall that the right first step is oozed pond (18) soon is provided with posticum, and the posticum that the right first step is oozed on the left side wall of pond (18) soon communicates with right second braiding channel; The upper end that ooze in the pond (19) soon the right second stage is provided with the water spray person in charge, the end that water spray is responsible for communicates with right second braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the right second stage is oozed the filtration media in the pond (19) soon; The right side, upper end that the right third stage is oozed in the pond (20) soon is provided with right the 3rd braiding channel, and the left side wall that the right second stage is oozed pond (19) soon is provided with posticum, and the posticum that ooze on the left side wall of pond (19) soon the right second stage communicates with the right side the 3rd braiding channel; The upper end that the right third stage is oozed in the pond (20) soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with right the 3rd braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the right third stage is oozed the filtration media in the pond (20) soon; The left side wall that the right third stage is oozed pond (20) soon is provided with posticum, and the posticum that the right third stage is oozed on the left side wall of pond (20) soon communicates with the 4th braiding channel, and the 4th braiding channel is positioned at the right third stage and oozes soon outside the left side wall of pond (20);
A left side is oozed the pond group soon and is comprised that the left first step oozes soon that pond (25) is oozed in pond (24), the left second stage soon, the left third stage is oozed pond (26) soon; The left side first step oozes soon that pond (25) is oozed in pond (24), the left second stage soon, the left third stage is oozed pond (26) soon and is brick mix structure, the left side first step oozes soon that pond (25) is oozed in pond (24), the left second stage soon, the left third stage is oozed pond (26) soon and is arranged in order from top to bottom, and adjacent two-stage oozes soon that drop is 0.8～1.0m between the pond; The left side first step oozes soon that pond (25) is oozed in pond (24), the left second stage soon, the left third stage is oozed soon in the pond (26) and is equipped with filtration media; The right side, upper end that the left side first step is oozed in the pond (24) soon is provided with left first braiding channel (21), the output port of the 3rd waste pipe (15) communicates with left first braiding channel (21), the input port of the 3rd waste pipe (15) is connected with the output terminal of multilevel bionic attitude oxidation ditch (13), and the 3rd waste pipe (15) is provided with control valve; The upper end that the left side first step is oozed in the pond (24) soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with left first braiding channel (21), water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the left first step is oozed the filtration media in the pond (24) soon; The right side, upper end that ooze in the pond (25) soon the second stage, a left side is provided with left second braiding channel, and the left side wall that the left first step is oozed pond (24) soon is provided with posticum, and the posticum that the left first step is oozed on the left side wall of pond (24) soon communicates with left second braiding channel; The upper end that ooze in the pond (25) soon the second stage, a left side is provided with the water spray person in charge, the end that water spray is responsible for communicates with left second braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the left second stage is oozed the filtration media in the pond (25) soon; The right side, upper end that the left side third stage is oozed in the pond (26) soon is provided with a left side the 3rd braiding channel, and the left side wall that the left second stage is oozed pond (25) soon is provided with posticum, and the posticum that ooze on the left side wall of pond (25) soon the left second stage communicates with left the 3rd braiding channel; The upper end that the left side third stage is oozed in the pond (26) soon is provided with the water spray person in charge, the end that water spray is responsible for communicates with a left side the 3rd braiding channel, water spray is responsible for and is provided with the water spray arm, be evenly distributed with aperture on the water spray arm, water spray is responsible for, the water spray arm lays respectively at the top that the left third stage is oozed the filtration media in the pond (26) soon; The left side wall that the left side third stage is oozed pond (26) soon is provided with posticum, the posticum that the left side third stage is oozed on the left side wall of pond (26) soon communicates with the 4th braiding channel, the 4th braiding channel is positioned at the left third stage and oozes soon outside the left side wall of pond (26), and output tube (29) communicates with the 4th braiding channel (28).
2. the terminal multistage artificial geology of livestock and poultry sewage according to claim 1 is oozed treatment system soon, it is characterized in that: described filtration media comprises ore in sand form layer (33), functional filler layer (32), metalling (30), and ore in sand form layer (33), functional filler layer (32), metalling (30) are arranged from top to bottom successively; The thickness of ore in sand form layer is 0.3m, and the material of ore in sand form layer is any one or the mixing more than two kinds in Dali stone sand, river sand, the grouan, is any proportioning during mixing more than two kinds; The thickness of functional filler layer is 0.5m, and the functional filler layer is made up of denitrogenation layer and dephosphorization layer, and the volume ratio of denitrogenation layer and dephosphorization layer is 2:1; The material of denitrogenation layer is mainly zeolite, vermiculite and modified coal ash and mixes, and the volume ratio of zeolite, vermiculite, modified coal ash is 3:2:1～5:2:1; The material of dephosphorization layer is the mixing of any one or two kinds in slag, the blast furnace granulated slag, and two kinds is any proportioning when mixing; The material of metalling is any one or the mixing more than two kinds in shale, limestone, the gravel, is any proportioning during mixing more than two kinds, and the thickness of metalling is 0.1m; The material particle size of metalling is 1.0～2.0cm, and the material particle size of functional filler layer is 0.8～2.0mm, and the packing material size of ore in sand form layer is 0.5～1.0mm.
3. the terminal multistage artificial geology of livestock and poultry sewage according to claim 1 is oozed treatment system soon, it is characterized in that: be provided with nylon wire (31) between ore in sand form layer (33) and the functional filler layer (32), be provided with nylon wire (31) between functional filler layer (32) and the metalling (30).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723833A (en) * | 2013-12-18 | 2014-04-16 | 南京工业大学 | Construction method of heat-preservation ecological shallow ditch for strengthening to reduce farmland non-point source pollution in winter |
| CN105110455A (en) * | 2015-10-09 | 2015-12-02 | 北京建筑大学 | Intermittent biological sand filtration treatment system |
| CN105417889A (en) * | 2015-12-31 | 2016-03-23 | 中信环境技术（广州）有限公司 | Culture sewage processing system based on EGSB anaerobic reactor |
| CN109665621A (en) * | 2019-01-31 | 2019-04-23 | 陈建安 | A kind of convenient and efficient energy-saving module integrated sewage water biological treatment system |
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2008
- 2008-08-14 CN CNU2008201902205U patent/CN201240947Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723833A (en) * | 2013-12-18 | 2014-04-16 | 南京工业大学 | Construction method of heat-preservation ecological shallow ditch for strengthening to reduce farmland non-point source pollution in winter |
| CN103723833B (en) * | 2013-12-18 | 2016-03-23 | 南京工业大学 | The construction process of the heat-preservation ecological shallow ridges of strengthening farmland non-point source pollution in winter |
| CN105110455A (en) * | 2015-10-09 | 2015-12-02 | 北京建筑大学 | Intermittent biological sand filtration treatment system |
| CN105110455B (en) * | 2015-10-09 | 2017-06-16 | 北京建筑大学 | Batch (-type) Biological Sand Filtration processing system |
| CN105417889A (en) * | 2015-12-31 | 2016-03-23 | 中信环境技术（广州）有限公司 | Culture sewage processing system based on EGSB anaerobic reactor |
| CN105417889B (en) * | 2015-12-31 | 2017-12-19 | 中信环境技术（广州）有限公司 | Aquaculture wastewater processing system based on EGSB anaerobic reactors |
| CN109665621A (en) * | 2019-01-31 | 2019-04-23 | 陈建安 | A kind of convenient and efficient energy-saving module integrated sewage water biological treatment system |
| CN109665621B (en) * | 2019-01-31 | 2024-01-26 | 陈建安 | Convenient high-efficient energy-saving module integrated sewage biological treatment system |
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