CN100545109C - Combined type cultivation wastewater purification method and device - Google Patents
Combined type cultivation wastewater purification method and device Download PDFInfo
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- CN100545109C CN100545109C CNB2007100529462A CN200710052946A CN100545109C CN 100545109 C CN100545109 C CN 100545109C CN B2007100529462 A CNB2007100529462 A CN B2007100529462A CN 200710052946 A CN200710052946 A CN 200710052946A CN 100545109 C CN100545109 C CN 100545109C
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Abstract
The invention discloses a kind of combined type cultivation wastewater purification method and device.It has following process to finish: the breeding wastewater of post precipitation, and after filtering, maceration carries out anaerobism through rotten wood and denitrogenates processing; After carrying out the aerobic aeration processing by maceration process bamboo charcoal and Wingdale again; After interior electrolysis treatment, discharge through finishing after the adsorption treatment to purify at last.Do not have mechanism in this apparatus system, keep in repair easyly, the workman is Operation and maintenance voluntarily after simple training.The present invention is directed to the high characteristics of breeding wastewater COD, total nitrogen, total phosphorus and solid suspension content, designed the multiple step format treatment scheme, equipment is simple, raw material is easy to get, it is easy to keep in repair, and can solve the purifying problem of middle and small scale plant waste water.
Description
Technical field
The invention belongs to sewage disposal, be specifically related to a kind of cultivation wastewater purification method and device.
Background technology
Contain a large amount of pollution substances in the sewage of livestock and poultry farm, the biochemical indicator of its sewage is high, mixes the COD of ejecta as pig manure urine
CrValue can reach 8100mg/L.These high densitys, unprocessed and the discharging sewage enter natural water after, suspended solids (SS), chemical oxygen demand (COD), biochemical oxygen demand (BOD) (BOD) and content of microorganisms in the water are raise, particularly the nitrogen in the sewage (N), phosphorus nutritive substances such as (P) can promote hydrobiological a large amount of breedings such as low, make the water body blackout smelly, cause the eutrophication of water body.
Along with the appearance of large-scale cultivation field environmental problem, after the eighties in 20th century, just begin to pay close attention to and study the technical problem of plant's wastewater treatment both at home and abroad.Breeding wastewater is mainly gone back the field, is handled naturally and three kinds of patterns of industrial treatment at present.Also the field pattern is applicable to broad and have the dissolve economic backward area, particularly plantation of sewage of enough farmlands to need the area of fertilising crop away from city, soil throughout the year.The nature tupe mainly adopts natural treatment systems such as oxidation pond, land treatment system or artificial swamp that plant's fecal sewage is handled, be applicable to apart from the city far away, temperature is higher and the soil is broad and have beach, wasteland, forest land or bottom land can do the place of sewage natural treatment system.But in state-owned considerable plant concentrate on the area that outskirts of a town or soil lack, can't carry out also field and natural tupe, these plant's waste water can only be selected the industrial treatment pattern, and the industrial treatment pattern comprises different treatment combined systems such as anaerobic treatment, aerobic treatment and anaerobism+aerobic treatment.Industrial treatment pattern major advantage one is to take up an area of to lack; The 2nd, wide adaptability is not subjected to geographic restriction; The 3rd, the influence that seasonal temperature changes is less.Its main drawback one is that investment is big, and per ten thousand pig farm fecal sewages are handled ten thousand yuan of the about 120-150 of investment; The 2nd, energy consumption height, every processing 1m
3Sewage is power consumption 2-4kWh approximately; The 3rd, running expense height, every processing 1m
3Sewage needs about 2.0 yuan of operational costs; The 4th, mechanical means is many, and the maintenance management amount is big; The 5th, need the technical skill personal management.
Summary of the invention
The object of the present invention is to provide a kind of combined type cultivation wastewater purification method and device thereof; Thereby overcome the above-mentioned shortcoming of breeding wastewater industrial treatment pattern.
The technical scheme that realizes combined type cultivation wastewater purification method of the present invention is: combined type cultivation wastewater purification method, and it is finished by following process: the breeding wastewater of post precipitation, after filtering, maceration carries out anaerobism through rotten wood and denitrogenates processing; After carrying out the aerobic aeration processing by maceration process bamboo charcoal and Wingdale again; After the electrolysis treatment, discharge through finishing after the adsorption treatment to purify at last in iron filings and Wingdale, perhaps described anaerobism is denitrogenated and is used rotten wood and haydite maceration in the processing.
The technical scheme that realizes combined type cultivation wastewater purification device of the present invention is: the combined type cultivation wastewater purification device, and it comprises successively settler, strumbox, anaerobic reaction case, aerobic reaction case, interior electrolyte tank and adsorption box by pipe connection UNICOM; Establish yellow sand in the strumbox; Establish rotten wood in the anaerobic reaction case; Establish bamboo charcoal and Wingdale in the aerobic reaction case, aeration tube is located in the aerobic reaction case.
The present invention makes full use of the sewage purification principle of land treatment system, and the simulating nature purification style by integrated minimizing civil engineering of function and mechanical means, reduces construction costs; Load different filtrate and filler in each casing, make full use of the soil removability of microorganism, reduce sludge output and energy consumption, reduce running cost; Nucleus equipment is six independently casings, does not have mechanism in the casing, keeps in repair easyly, and the workman is Operation and maintenance voluntarily after simple training.The present invention is directed to the high characteristics of breeding wastewater COD, total nitrogen, total phosphorus and solid suspension content, designed the multiple step format treatment scheme, equipment is simple, raw material is easy to get, it is easy to keep in repair, and can solve the purifying problem of middle and small scale plant waste water.
Description of drawings
Fig. 1 synoptic diagram of the present invention.
Fig. 2 settler structural representation.
Fig. 3 strumbox structural representation.
Fig. 4 aerobic reaction box structure synoptic diagram.
Aerated conduit system implementation case synoptic diagram in Fig. 5 aerobic reaction case.
Fig. 6 anaerobic reaction case, interior electrolyte tank and adsorption box structural representation.
Combination of Fig. 7 cleaner and pipe network connection diagram.
Fig. 8 case study on implementation synoptic diagram.
Among the figure: 1. settler, 2. strumbox, 3. anaerobic reaction case, 4. aerobic reaction case, 5. interior electrolyte tank, 6. adsorption box, 7. yellow sand, 8. rotten wood, 9. haydite, 10. bamboo charcoal, 11. Wingdales, 12. iron filings, 13. charcoal, 14. water inlet pipes, 15. rising pipes, 15. valves, 16. mud mouth, 17. water valves, 18. filtering nets, 19. rising pipe, 20. dividing plates with holes, 21. filter plates with holes, 22. dividing plate, 23. shore pipes, 24. induction pipes, 25. aeration tube, 26. solarization air caps, 27. water pump, 28. aerator, 29. detention tanks, 30. clear water water reservoirs, 31. the step base station, 32. spoil disposal pipelines, 33. spoil disposal ditches.
Embodiment
Present embodiment is used for the explanation to technical solution of the present invention, and the present invention is not limited to the protection domain of the following example.
The method of present embodiment is: breeding wastewater is through the settler post precipitation, and settler does not add any filler, and it mainly acts on is interception and the solid matter of precipitation in the sewage; By filling yellow sand in the strumbox, it mainly acts on is by the anaerobism filtration, removes suspended particle in the sewage again, and dividing two-stage filtration in the strumbox is that particle diameter is the thick yellow sand filtration of 3-6mm and the fine sand filtration that particle diameter is 1-3mm; The anaerobic reaction lower box part is inserted rotten wood, haydite is loaded on top, and the C/N ratio of rotten wood should be greater than 7, and it mainly acts on is to denitrogenate, preferably select broad-leaved class forest rotten wood that does not contain ester class or aromatics or the tree bar of cultivating the auricularia auriculajudae mushroom for use, as robur, Chinese ash, willow, willow, platanus etc.; The aerobic reaction lower box part is loaded bamboo charcoal, and Wingdale is loaded on top, and aeration tube is installed in the bottom, and it mainly acts on is to clear up the COD material, denitrogenate and fall phosphorus, and the volume ratio of bamboo charcoal and Wingdale is 2: 0.5～1.3; Iron filings are loaded in interior electrolyte tank bottom, and Wingdale is loaded on top, and it mainly acts on is that the weight ratio of iron filings and Wingdale is 1: 1.8～3 by interior electrolysis and the phosphorus and the heavy metal that adsorb in the removal water; Charcoal (also can load gac when processing requirements is very high) is loaded in the adsorption box bottom, and Wingdale is loaded on top, and it mainly acts on is residual contamination thing in the planar water, and the volume ratio of charcoal and Wingdale is 2: 0.5～1.3.Sewage enters treatment system through water inlet pipe, and all casings are the bottom water inlet, and sewage is finally discharged by being positioned at the top water pipe from the bottom to top by filtrate and filler.
The device of realizing aforesaid method as shown in Figure 1, refining plant is made of six parts, is followed successively by: settler 1, strumbox 2, anaerobic reaction case 3, aerobic reaction case 4, interior electrolyte tank 5, adsorption box 6, casing can be changed a social system with firm water tank, also available steel plate is welded.Settler 1 does not add any filler, and it mainly acts on is interception and the solid matter of precipitation in the sewage; Load thick yellow sand 7 in the strumbox 2, it mainly acts on is to filter by anaerobism, removes suspended particle in the sewage, yellow sand filtrate can recoil cleanings, use repeatedly; Rotten wood 8 is inserted in anaerobic reaction case 3 bottoms, haydite 9 is loaded on top, the C/N ratio of rotten wood should be greater than 7, and can not contain oil substances, in few " N hunger " environment of the many N of C, absorption of bacterium and the N in the water of decomposition, reach and remove the N purpose, the haydite on top also can denitrogenation after biofilm, and the volume ratio of rotten wood 8 and haydite 9 is 2: 0.5～1.3.Bamboo charcoal 10 is loaded in aerobic reaction case 4 bottoms, and Wingdale 11 is loaded on top, and aeration tube is installed in the bottom, is suitable for aerobic microbiological existence, and it mainly acts on is to denitrogenate and clear up chemical oxygen demand (COD) substance C OD; Iron filings 12 are loaded in interior electrolyte tank 5 bottoms, and Wingdale 11 is loaded on top, and it mainly acts on is to remove hardly degraded organic substance and phosphorus and heavy metal in the water by interior electrolysis and absorption; Load Wingdale 11 and charcoal 13 in adsorption box 6 casings, it mainly acts on is residual contamination thing in the planar water.Sewage enters treatment system through water inlet pipe 14, and all casings are the bottom water inlet, and sewage is finally discharged by being positioned at top water pipe 15 from the bottom to top by filtrate and filler.
The settler structure has a filtering net 18 in the middle part of the casing as shown in Figure 2, and filter screen can stick gauze by plastic grill and make, and water inlet pipe inserts the bottom of filtering net, solids bottom half deposition, and filtering water drains into next casing through rising pipe 19.After silt lodging reaches certain degree, open the valve 15 that is positioned at the bottom, discharge through mud discharging mouth 16.
The strumbox structure as shown in Figure 3, two Room about casing vertically is divided into by dividing plate 20 with holes, bottom, left chamber is divided into up and down two chambeies by horizontal dividing plate 21 with holes, cavity of resorption is the heavy mud of water inlet, silt particle is discharged through mudhole 23.Chamber, left side epicoele is loaded the bigger thick yellow sand of particle diameter, and particle diameter is 3-6mm; The right ventricle loads the slightly little yellow sand of particle diameter, and particle diameter is 1-3mm.It mainly acts on is that anaerobism is filtered.
The aerobic reaction box structure as shown in Figure 4, lower box is installed dividing plate 21 with holes, dividing plate is divided into up and down two Room with casing, the heavy mud of following chamber water inlet, bottom installation aeration tube 25 in last chamber links to each other with aerator by induction pipe 24.Bamboo charcoal 10 and Wingdale 11 are loaded in last chamber, and the volume ratio of bamboo charcoal 10 and Wingdale 11 is 2: 1.Water inlet and water flowing out structure and strumbox are similar.
Aerobic reaction case aerated conduit structure as shown in Figure 5, pipe network is a bilayer structure, and vertical tube 25 is installed, all pipelines have aperture 26, guarantee evenly to supply gas.
Anaerobic reaction case, interior electrolyte tank and adsorption box structure as shown in Figure 6, structure and aerobic reaction case are similar, but do not have aerating system.The function differentiation of reaction box is made of the difference of filler.
Rotten wood 8 is inserted in anaerobic reaction case 3 bottoms, and haydite 9 is loaded on top; Rotten wood 8.Rotten wood is selected broad-leaved class forest that does not contain ester class or aromatics or the tree bar of cultivating edible mushrooms for use, and its C/N ratio should be greater than 7, as oak, Chinese ash, willow, willow, platanus etc.; The volume ratio of rotten wood 8 and haydite 9 is 2: 1.
Iron filings 12 are loaded in the bottom in the interior electrolyte tank 5, and Wingdale 11 is loaded on top, and the weight ratio of iron filings and Wingdale is: 1: 2.
Load Wingdale 11 and charcoal 13 in adsorption box 6 casings, charcoal and and the volume ratio of Wingdale be: 2: 1.
Above-mentioned six casings interconnect UNICOM by pipeline, and water inlet pipe stretches into bottom half, and rising pipe is connected with casing top, and bottom half is established the screen plate casing and divided into mud valve.As shown in Figure 7.
As shown in Figure 8, at first build the step base station on 29 next doors, settlement of sewage (water storage) pond of plant, generally be divided into six grades, every grade of drop 30-50cm, the order of reaction box according to settler 1, strumbox 2, anaerobic reaction case 3, aerobic reaction case 4, interior electrolyte tank 5, adsorption box 6 is arranged in order from high to low the straight-through sewage lagoon 29 of spoil disposal ditch of excavation below the base station; Secondly,, be communicated with all tubing systems, and water pump 27 and aerator 28 are installed, connect power supply, advance water, aeration test, detect the leak tightness of water pipe 19 and tracheae 24 by shown in Figure 7; Its three, be communicated with spoil disposal pipeline 32, and final outflow water 15 introduced clear water tanks 30; Its four, according to the filler of in casing, loading shown in Figure 1, open power supply water inlet, aeration, system brings into operation.
Pass through test run(s), this purifier has following precaution: in the week that 1) has just brought into operation, because the adsorption of filler, treatment effect is very good, and the clearance of COD, total N, total P, SS is all more than 91%, decrease subsequently, but after system operation about 40 days (temperature 5-25 ℃, temperature is high more, the time is short more), carrier biofilm basically forms, system just begins steady running, and the clearance of COD, total N, total P, SS is all more than 82%; 2) after system's operation 20-30 days, the settler yellow sand will clean, and purging method is opened mud valve for opening the settler loam cake, directly washes with the pressurization hydraulic giant, if yellow sand is clamminess, should give replacing; 3) open each casing mud valve at least weekly once, each 5-10 minute, get rid of case prodelta clay mud; 4) except that the charcoal of the yellow sand of strumbox and adsorption box, other fillers all can use more than 1 year; 5) can control effluent quality by the regulation and control of flooding quantity, amount of inlet water is more little, and the hydropexis time is long more, and treatment effect is also good more, otherwise also anti-; 5) if sewage quantity is bigger, many covering devices can be installed, and (casing is 1m
3Device recommendation process ability be 12 tons of waste water/skies); 6) this system has the good treatment effect to COD, total nitrogen, total phosphorus and suspended solid, and treated water matter generally is better than the wastewater discharge standard of " livestock and poultry breeding industry pollutant emission standard (GB 18596-2001) " regulation, can reuse.
Claims (10)
1, a kind of combined type cultivation wastewater purification method, it is finished by following process:
The breeding wastewater of post precipitation, after filtering, maceration carries out anaerobism through rotten wood and denitrogenates processing; After carrying out the aerobic aeration processing by maceration process bamboo charcoal and Wingdale again; After the electrolysis treatment, discharge through finishing after the adsorption treatment to purify at last in iron filings and Wingdale, perhaps described anaerobism is denitrogenated and is used rotten wood and haydite maceration in the processing.
2, combined type cultivation wastewater purification method according to claim 1 is characterized in that rotten wood C/N ratio that described anaerobism denitrogenates processing greater than 7, selects broad-leaved class seeds rotten wood that does not contain ester class or aromatics or the tree bar of cultivating edible mushrooms for use.
3, combined type cultivation wastewater purification method according to claim 1, it is characterized in that described in electrolysis utilize iron filings and Wingdale to finish, the weight ratio of iron filings and Wingdale is 1: 1.8～3.
4, combined type cultivation wastewater purification method according to claim 1 is characterized in that described adsorption treatment utilizes charcoal and Wingdale to finish, and the volume ratio of charcoal and Wingdale is 2: 0.5～1.3.
5, combined type cultivation wastewater purification method according to claim 1 is characterized in that described anaerobism is denitrogenated haydite also is set in the processing that the volume ratio of rotten wood and haydite is 2: 0.5～1.3.
6, a kind of combined type cultivation wastewater purification device, it comprises successively and be it is characterized in that establishing yellow sand in the described strumbox by settler, strumbox, anaerobic reaction case, aerobic reaction case, interior electrolyte tank and the adsorption box of pipe connection UNICOM; Establish rotten wood in the anaerobic reaction case; Establish bamboo charcoal and Wingdale in the aerobic reaction case, aeration tube is located in the aerobic reaction case.
7, as combined type cultivation wastewater purification device as described in the claim 6, it is characterized in that being provided with in the described strumbox dividing plate with holes, with two Room about being divided in the casing, the indoor filter plate of establishing in a left side, the indoor coarse grain yellow sand of establishing in a left side, particle diameter is 3-6mm; Establish the particulate yellow sand in the right ventricle, particle diameter is 1-3mm.
8, as combined type cultivation wastewater purification device as described in the claim 6, it is characterized in that establishing iron filings and Wingdale in the electrolyte tank in described, the weight ratio of iron filings and Wingdale is 1: 1.8～3.
9, as combined type cultivation wastewater purification device as described in the claim 6, it is characterized in that establishing in the described adsorption box charcoal and and Wingdale, charcoal and and the volume ratio of Wingdale be 2: 0.5～1.3.
10, as any combined type cultivation wastewater purification device as described in the claim 7～9, it is characterized in that the intravital water inlet pipe of described case stretches into bottom half, bottom half is established screen plate, and casing is divided into mud valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100529462A CN100545109C (en) | 2007-08-10 | 2007-08-10 | Combined type cultivation wastewater purification method and device |
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| CNB2007100529462A CN100545109C (en) | 2007-08-10 | 2007-08-10 | Combined type cultivation wastewater purification method and device |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691264B (en) * | 2009-09-28 | 2011-06-15 | 南京林业大学 | Sewage treatment method of bamboo charcoal cylindrical sludge quality modifier and cylindrical quality modifier thereof |
| CN102276092B (en) * | 2011-06-16 | 2013-09-04 | 湖北大学 | Method for treating calcium hypochlorite waste water by membrane separation and electrolysis combined process |
| CN102329047B (en) * | 2011-08-08 | 2013-05-15 | 崔勇 | Sewage treatment system and method for modularized culture farm |
| CN104756929B (en) * | 2013-02-05 | 2019-08-23 | 成都新朝阳作物科学有限公司 | The component of green organic system |
| CN103395945B (en) * | 2013-08-15 | 2014-10-08 | 武汉新天达美环境科技有限公司 | Carbon-system carrier biological filtering pond system |
| CN106007180A (en) * | 2016-06-23 | 2016-10-12 | 江苏保瑞工业水处理有限公司 | Sewage treatment system |
| CN112931072A (en) * | 2021-01-18 | 2021-06-11 | 湖南文理学院 | Low-carbon ecological agricultural circulating system and circulating method |
| CN113068651B (en) * | 2021-03-30 | 2023-02-10 | 岳阳市江南农业科技研究院 | High-density water quality purification system for crayfish breeding and method thereof |
| CN113072227B (en) * | 2021-04-29 | 2024-06-18 | 华北水利水电大学 | Micro-charge integrated aeration electrolytic cell |
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