CN103449672B - Treatment method and recycling method of livestock and poultry breeding wastewater and biogas slurry - Google Patents
Treatment method and recycling method of livestock and poultry breeding wastewater and biogas slurry Download PDFInfo
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Abstract
The invention relates to a treatment method and a recycling method of livestock and poultry breeding wastewater and biogas slurry. The treatment method comprises the steps of: A. preparation and storage of biogas slurry, i.e., treating livestock and poultry house wastewater by an anaerobic reaction system through a conventional approach and storing the treated wastewater in a biogas slurry tank; B. treatment of biogas slurry, i.e., conveying the biogas slurry from the biogas slurry tank into a biogas slurry adjusting tank to separate precipitation and/or remove suspended solids from the biogas slurry; and C. biological treatment of biogas slurry, i.e., discharging the biogas slurry which is treated in the biogas slurry adjusting tank and achieves standards, or treating the biogas slurry in another path by a mixed bacteria agent. The recycling method comprises the step of adding a reuse water disinfecting storage tank after the standardized discharge of biogas slurry, or at the back of a biogas slurry biological-treatment tank, connecting a branch for outputting to a by-product treatment tank. The treatment method and the recycling method have the advantages of combining a microbial agent with an aerobic treatment technology of wastewater, rapidly decomposing, decoloring and deodorizing pollutants, achieving the effects of standardized discharge, comprehensive utilization, energy conservation, discharge reduction and low cost, and being easy to popularize and apply.
Description
Technical field
The present invention relates to livestock breeding wastewater and natural pond liquid processing method and recoverying and utilizing method, the particularly harmless treatment of waste water and natural pond liquid and the recycling of qualified discharge water.
Background technology
Fast development and mass-producing, intensive livestock and poultry breeding industry concentrate, a large amount of waste water of high density discharge and natural pond liquid, be very important important source of pollution to environment.
Solve the prior art of waste water and the pollution of natural pond liquid, one of them is biogas treatment engineering.It is that the ight soil of livestock and poultry cultivation and sewage are formed natural pond liquid after anaerobically fermenting, comparatively successfully solve some problems of waste water and natural pond liquid process, but still there is following problems: containing more nutritive element and the factor promoting biological growth and development in the liquid of natural pond, also has adjusting and controlling growth material and VITAMIN, tethelin etc., can be used as bio-feritlizer irrigated farmland and fish meal to breed fish generation economic benefits, is a kind of mode of resource circulation utilization.But the sewage that livestock and poultry farm produces and ight soil produce in the process of a large amount of natural ponds liquid through biogas engineering, COD loses 80%-95%, nitrogen loss is about 5%-10%, and phosphorus element does not almost lose, although natural pond liquid can as bio-feritlizer and feed, irrigate land, breed fish, but the COD of natural pond liquid, total nitrogen, ammonia nitrogen, total phosphorus are still higher, the standard of breeding pollution thing discharge cannot be reached.Need enough soils to dissolve natural pond liquid, natural pond slag, and have the soil crop rotation area of more than a times, make the farm animal excrement of whole plant (district) in small area, all reach the situation of recycle.And for some large-scale centralization-breeding factory because periphery land limited, the annual natural pond liquid measure produced is much larger than surrounding enviroment bearing capacity, part natural pond liquid is directly discharged in environment one of primary pollution source having become body eutrophication.
Prior art carries out biological comprehensive treatment in addition on traditional liquid process basis, natural pond.Such as, patent of invention CN102267787A utilizes microbial preparation, microbial adsorbent and filter-feeding fish to carry out intensive treatment to natural pond liquid, but needs every day according to natural pond liquid measure to add microbiobacterial agent, if when natural pond liquid day output is large, cost is higher.For another example, patent of invention CN102701512A adopts biochemical process in conjunction with the combination process process natural pond liquid of physico-chemical process, and major technique comprises stripping and SBR treatment technology.Patent of invention CN10270283A is with anerobe and aerobic bacterial strain wood is mould and yeast is main bacterial strain, by immobilization embedded technology, realizes the efficient sewage repairing livestock and poultry cultivation.Above-mentioned patent final purpose is qualified discharge, and can not realize natural pond liquid decolouring, deodorizing, sterilization, can not reach the requirement that hurdle is rushed in reuse, cause the waste of great lot of water resources; Further, owing to throwing bacterium existing problems on opportunity, thus throw bacterium amount greatly, cost is high, not easily large-scale promotion.
Summary of the invention
The object of the invention is to, overcome the deficiency that prior art exists, a kind of livestock breeding wastewater and natural pond liquid processing method and recoverying and utilizing method are provided, microbiobacterial agent combines with aerobic sewage treatment technology by the method, utilizes high-effective microorganism fast decoupled pollutent, reaches the effect of decolouring and deodorizing, qualified discharge can be realized after sterile-processed, or as rushing hurdle Water circulation, realizing energy-saving and emission-reduction, cost is low, be easy to the object applied.
A kind of livestock breeding wastewater of the present invention and natural pond liquid processing method technical scheme are:
A kind of livestock breeding wastewater and natural pond liquid processing method, comprise the steps:
The preparation of A, natural pond liquid and storage: by ordinary method, poultry house sewage is inputted Ye Chu pond, natural pond after the process of anaerobic reaction system and store;
B, natural pond liquid regulate: the natural pond liquid in Ye Chu pond, natural pond is transported in the liquid equalizing tank of natural pond the suspended substance carrying out precipitate and separate and/or remove in the liquid of natural pond;
C, natural pond liquid are carried out a biological disposal upon: the natural pond liquid through overregulating in the liquid equalizing tank of natural pond is exported the natural pond liquid qualified discharge process carrying out step C1, or one tunnel export and carry out the natural pond liquid qualified discharge process of described step C1, and another road is passed to the mix bacterium agent process carrying out step C2 in EM pond;
The natural pond liquid qualified discharge process of described step C1 is: the natural pond liquid regulated through natural pond liquid equalizing tank is passed to intensive treatment in SBR microbial augmentation treating pond; Maybe the natural pond liquid regulated through natural pond liquid equalizing tank is first passed in aerobic fungus culture treating pond and carries out aerobic fungal biodegradation, and then carry out intensive treatment through SBR microbial augmentation treating pond.
Further technical scheme is:
Described livestock breeding wastewater and natural pond liquid processing method, in its SBR microbial augmentation treating pond, intensive treatment is the microbial augmentation process eliminated natural pond liquid pollutent and turn out the active sludge comprising microbiobacterial agent: the combination of the microbial inoculum used mainly subtilis, nitrobacteria, denitrifying bacterium and milk-acid bacteria at least 2 kinds; Microbial inoculum consumption accesses treating pond by the inoculum size of 1%-10%; The bacterial content of microbial inoculum is 1 × 10
6-1 × 10
12regular replenishment again after cfu/g.
Described livestock breeding wastewater and natural pond liquid processing method, in its SBR microbial augmentation treating pond, fluid temperature controls at 15-35 DEG C, and the residence time is 2-3 days. and treatment scheme comprises 0.5 hour feed liquor time, aeration time 4.5 hours, sedimentation time 2.5 hours, drain time 0.5 hour; Treatment scheme circular flow every day 3 times, during aeration, in pond, liquid dissolving oxygen controls at 2-5mg/L.
Described livestock breeding wastewater and natural pond liquid processing method, in its aerobic fungus culture treating pond, aerobic fungal biodegradation eliminates natural pond liquid pollutent and denitrogenation and desolventing technology: the aerobic fungi mainly yeast used, when aerobic fungus culture treating pond starts, yeast agent accesses in aerobic fungus culture treating pond by the inoculum size of 1%-10%, when the bacterial content of yeast agent is 1 × 10
6-9 × 10
9regular replenishment again after cfu/g; In aerobic fungus culture treating pond, fluid temperature controls at 15-35 DEG C, and the residence time is 2-3 days, and during aeration, in pond, liquid dissolving oxygen controls at 2-5mg/L.
Described livestock breeding wastewater and natural pond liquid processing method, the mix bacterium agent process carrying out step C2 in its EM pond carries out mix bacterium agent process with several probiotic bacterium: the combination of the mix bacterium agent used mainly photosynthetic bacterium, milk-acid bacteria, yeast, subtilis, enterococcus faecalis and Bacillus coagulans at least 2 kinds; Microbial inoculum consumption is by the inoculum size access EM pond than 1%-10%, and the bacterial content of microbial inoculum is 1 × 10
6-9 × 10
9regular replenishment again after cfu/g.
Described livestock breeding wastewater and natural pond liquid processing method, when the natural pond liquid in Ye Chu pond, natural pond is COD≤5000mg/L, during the mg/L of ammonia nitrogen≤500, step C1 elects as and the natural pond liquid regulated in the liquid equalizing tank of natural pond is passed to intensive treatment in SBR microbial augmentation treating pond.
Described livestock breeding wastewater and natural pond liquid processing method, as the natural pond liquid COD >=5000mg/L in Ye Chu pond, natural pond, during ammonia nitrogen >=500mg/L, step C1 elects as the natural pond liquid regulated through natural pond liquid equalizing tank to be first passed in aerobic fungus culture treating pond and carries out aerobic fungal biodegradation, and then carries out intensive treatment through SBR microbial augmentation treating pond.
A kind of livestock breeding wastewater of the present invention and natural pond liquid processing method gained qualified discharge Water Sproading Application way technical scheme are:
Preferred qualified discharge Water Sproading Application way is that the natural pond liquid regulated through natural pond liquid equalizing tank is passed to intensive treatment in SBR microbial augmentation treating pond, then obtained qualified discharge water is passed to disinfection in reuse water sterilization storage pond; Described disinfecting is with ozone or disinfection by chlorine dioxide.
Preferred qualified discharge Water Sproading Application way, the natural pond liquid regulated through natural pond liquid equalizing tank is first passed in aerobic fungus culture treating pond and processes, then intensive treatment again in SBR microbial augmentation treating pond, is finally passed to disinfection in reuse water sterilization storage pond again by obtained qualified discharge water; Described disinfecting is with ozone or disinfection by chlorine dioxide.
A kind of livestock breeding wastewater of the present invention and natural pond liquid processing method gained qualified discharge Water Sproading Application way technical scheme are: the output terminal of described aerobic fungus culture treating pond connects a bypass branch and the yeast slurry of aerobic fungus culture treating pond bottom settlings is outputted to system join in byproduct pond, system joins yeast extract or fodder additives.
Give and close technical scheme of the present invention and principle, the remarkable technique effect main to the present invention is described as follows:
A, the invention discloses a kind of livestock breeding wastewater and natural pond liquid processing method qualified discharge Water Sproading Application way, slave unit, different treatment process schemes, equipment combination used is different.Each unit act as: 1) anaerobic reaction system 1 and Ye Chu pond, natural pond 2, is for carrying out conventional natural pond liquid process; 2) Main Function of equalizing tank 3 is the suspended solids in precipitate and separate natural pond liquid or sewage; 3) Main Function of aerobic fungus culture treating pond 4.2 is for fungi microbe microbial inoculum provides suitable growth place, while the liquid pollutent of elimination natural pond, plays the effect of denitrogenation and decolouring; 4) Main Function of SBR microbial augmentation treating pond 4.1 is for microbiobacterial agent provides suitable growth place, while the liquid pollutent of elimination natural pond, turning out with microbiobacterial agent is the follow-up sewage entering SBR microbial augmentation treating pond of the sustainable process of active sludge of core, add microbiobacterial agent every day without the need to again, save processing cost; 5) Main Function in EM pond 4.3 is the beneficial floras such as cultivation photosynthetic bacterium, milk-acid bacteria, yeast, subtilis, enterococcus faecalis, Bacillus coagulans utilized in the liquid of natural pond, the bacterium liquid dilution that EM pond is cultivated is sprayed and be can be used for the antibacterial of animal house and deodorizing, reduces livestock and poultry; 6) Main Function in reuse water sterilization storage pond 5 is the sewage after sterilization stores process up to standard, after reaching the requirement of rushing hurdle reuse, stores water for livestock and poultry cultivation Hu Chong hurdle after ozone or disinfection by chlorine dioxide; 6) system joins byproduct pond 6 is join yeast extract or fodder additives for system.
In b, livestock breeding wastewater of the present invention and natural pond liquid processing method, described EM pond, after the mix bacterium agents such as inoculation photosynthetic bacterium, milk-acid bacteria, yeast, subtilis, enterococcus faecalis, Bacillus coagulans cultivate three days, can dilute by a certain percentage, spray poultry house, play the object of bacteriostasis, and deodorization.
In c, livestock breeding wastewater of the present invention and natural pond liquid processing method gained qualified discharge Water Sproading Application way, described aerobic fungus culture treating pond, but also its natural pond liquid to export in byproduct for treatment pond 6 after yeast process, the yeast requirement that decolouring is cultivated can be reached, again through Plate Filtration, recyclable system is made into yeast extract, or fodder additives, can produce large economic benefit.
Accompanying drawing explanation
Fig. 1 is livestock breeding wastewater of the present invention and natural pond liquid processing method embodiment programchart, and liquid biological treatment in the present embodiment natural pond is through 1 biological treatment tank and realizes natural pond liquid qualified discharge.
Fig. 2 is livestock breeding wastewater of the present invention and another embodiment programchart of natural pond liquid processing method, and liquid biological treatment in the present embodiment natural pond is through 2 biological treatment tanks and realizes natural pond liquid qualified discharge.
Fig. 3-1 is livestock breeding wastewater of the present invention and another embodiment programchart of natural pond liquid processing method, the liquid biological treatment of the present embodiment natural pond is that a road realizes natural pond liquid qualified discharge through biological treatment tank, another road, through biological treatment tank process, obtains and is used for animal house deodorization and disinfection liquid.Wherein the natural pond liquid qualified discharge process of C1 is that the natural pond liquid regulated through natural pond liquid equalizing tank 3 is carried out intensive treatment through SBR microbial augmentation treating pond 4.1.
Fig. 3-2 is livestock breeding wastewater of the present invention and another embodiment programchart of natural pond liquid processing method, with above-mentioned Fig. 3-1 illustrated embodiment unlike: the natural pond liquid qualified discharge process of C1 is first passed in aerobic fungus culture treating pond 4.2 by the natural pond liquid regulated through natural pond liquid equalizing tank 3 to carry out aerobic fungal biodegradation, and then carry out intensive treatment through SBR microbial augmentation treating pond 4.1.
Fig. 4 is that the liquid qualified discharge of natural pond shown in Fig. 1 stores up pond for rinsing the embodiment of corral to reuse water sterilization.
Fig. 5 is that the liquid qualified discharge of natural pond shown in Fig. 2 stores up pond for rinsing the embodiment of corral to reuse water sterilization.
Fig. 6 is further embodiment embodiment illustrated in fig. 5: the natural pond liquid that natural pond liquid equalizing tank 3 regulates also has another road biological treatment tank process simultaneously, obtains and is used for animal house deodorization and disinfection liquid; The natural pond liquid of aerobic fungus culture treating pond process also has a road to export system to join in byproduct pond 6 and make yeast extract or fodder additives.
Embodiment
It is as follows that the invention will be further described in conjunction with the accompanying drawings and embodiments:
embodiment 1:as shown in the figure, be basic embodiment of the present invention.A kind of livestock breeding wastewater and natural pond liquid processing method, comprise the steps:
The preparation of A, natural pond liquid and storage: by ordinary method, poultry house sewage is inputted Ye Chu pond, natural pond 2 after anaerobic reaction system 1 processes and store;
B, natural pond liquid regulate: the natural pond liquid in Ye Chu pond, natural pond 2 is transported in natural pond liquid equalizing tank 3 suspended substance carrying out precipitate and separate and/or remove in the liquid of natural pond;
C, natural pond liquid are carried out a biological disposal upon: the natural pond liquid through overregulating in natural pond liquid equalizing tank 3 is exported the natural pond liquid qualified discharge process (as Fig. 1,2) carrying out step C1, or one tunnel export and carry out the natural pond liquid qualified discharge process of described step C1, and another road is passed to the mix bacterium agent process (as Fig. 3-1) carrying out step C2 in EM pond 4.3;
The natural pond liquid qualified discharge process of described step C1 is: the natural pond liquid regulated through natural pond liquid equalizing tank 3 is passed to intensive treatment (as Fig. 1) in SBR microbial augmentation treating pond 4.1; Maybe the natural pond liquid regulated through natural pond liquid equalizing tank 3 is first passed in aerobic fungus culture treating pond 4.2 and carries out aerobic fungal biodegradation, and then carry out intensive treatment (as Fig. 2) through SBR microbial augmentation treating pond 4.1.
embodiment 2:as shown in Figure 1, be a preferred embodiment.On embodiment 1 basis particularly: the natural pond liquid qualified discharge process of described step C1 is: the natural pond liquid regulated through natural pond liquid equalizing tank 3 is passed to intensive treatment in SBR microbial augmentation treating pond 4.1, in this pond, intensive treatment is the microbial augmentation process eliminated natural pond liquid pollutent and turn out the active sludge comprising microbiobacterial agent; The combination of the microbial inoculum used mainly subtilis, nitrobacteria, denitrifying bacterium and milk-acid bacteria at least 2 kinds; Microbial inoculum consumption accesses treating pond by the inoculum size of 1%-10%; The bacterial content of microbial inoculum is 1 × 10
6-1 × 10
12after cfu/g, without the need to throwing bacterium for a long time, only need regularly a small amount of more as required supplementing;
The present embodiment is when the natural pond liquid in Ye Chu pond, natural pond 2 is COD≤5000mg/L, during the mg/L of ammonia nitrogen≤500, above-mentioned steps C1 just elects as and the natural pond liquid regulated in natural pond liquid equalizing tank 3 is passed to intensive treatment in SBR microbial augmentation treating pond 4.1, and namely liquid biological treatment in natural pond is through 1 biological treatment tank and realizes natural pond liquid qualified discharge.
embodiment 3:it is another further preferred embodiment.As different from Example 2: in SBR microbial augmentation treating pond 4.1 during intensive treatment, in SBR microbial augmentation treating pond, fluid temperature controls at 15-35 DEG C, the residence time is 2-3 days. treatment scheme comprises 0.5 hour feed liquor time, aeration time 4.5 hours, sedimentation time 2.5 hours, drain time 0.5 hour; Treatment scheme circular flow every day 3 times, during aeration, in pond, liquid dissolving oxygen controls at 2-5mg/L.
embodiment 4:as shown in Figure 2, be another preferred embodiment.On embodiment 1 basis particularly: the natural pond liquid qualified discharge process of described step C1 is: the natural pond liquid regulated through natural pond liquid equalizing tank 3 is first passed in aerobic fungus culture treating pond 4.2 and carries out aerobic fungal biodegradation, and then carry out intensive treatment through SBR microbial augmentation treating pond 4.1.In SBR microbial augmentation treating pond 4.1 treating processes, technical parameter is identical with embodiment 3; Aerobic fungal biodegradation eliminates natural pond liquid pollutent and denitrogenation and desolventing technology: the aerobic fungi mainly yeast used, when aerobic fungus culture treating pond 4.2 starts, yeast agent accesses in aerobic fungus culture treating pond 4.2 by the inoculum size of 1%-10%, when the bacterial content of yeast agent is 1 × 10
6-9 × 10
9after cfu/g, without the need to throwing bacterium for a long time, only need regularly a small amount of more as required supplementing; In aerobic fungus culture treating pond 4.2, fluid temperature controls at 15-35 DEG C, and the residence time is 2-3 days, and during aeration, in pond, liquid dissolving oxygen controls at 2-5mg/L;
The present embodiment is as the natural pond liquid COD >=5000mg/L in Ye Chu pond, natural pond 2, during ammonia nitrogen >=500mg/L, above-mentioned steps C1 just elects as the natural pond liquid regulated through natural pond liquid equalizing tank 3 to be first passed in aerobic fungus culture treating pond 4.2 and carries out aerobic fungal biodegradation, and then carry out intensive treatment through SBR microbial augmentation treating pond 4.1, namely liquid biological treatment in natural pond is through 2 biological treatment tanks and realizes natural pond liquid qualified discharge.
embodiment 5:as shown in figure 3-1, be another preferred embodiment.On embodiment 1 basis particularly: described natural pond liquid biological treatment is: the natural pond liquid through overregulating in natural pond liquid equalizing tank 3 is exported the natural pond liquid qualified discharge process carrying out step C1, and another road is passed to the mix bacterium agent process carrying out step C2 in EM pond 4.3; The natural pond liquid qualified discharge process of this C1 is that 1 SBR microbial augmentation treating pond 4.1 processes; The mix bacterium agent process carrying out step C2 in described EM pond 4.3 carries out mix bacterium agent process with several probiotic bacterium; The combination of the mix bacterium agent used mainly photosynthetic bacterium, milk-acid bacteria, yeast, subtilis, enterococcus faecalis and Bacillus coagulans at least 2 kinds; Microbial inoculum consumption is by the inoculum size access EM pond 4.3 than 1%-10%, and the bacterial content of microbial inoculum is 1 × 10
6-9 × 10
9after cfu/g, without the need to throwing bacterium for a long time, only need regularly a small amount of more as required supplementing.
embodiment 6:as shown in figure 3-2, be another preferred embodiment.As different from Example 5: the natural pond liquid qualified discharge process of C1 is first passed in aerobic fungus culture treating pond 4.2 by the natural pond liquid regulated through natural pond liquid equalizing tank 3 to carry out aerobic fungal biodegradation, and then carry out intensive treatment through SBR microbial augmentation treating pond 4.1.
embodiment 7:as shown in Figure 4, being a kind of livestock breeding wastewater of the present invention and natural pond liquid processing method gained qualified discharge Water Sproading Application way embodiment, is the embodiment in (as shown in Figure 1) increase reuse water sterilization storage pond 5 on embodiment 2 basis.It is that the natural pond liquid regulated through natural pond liquid equalizing tank 3 is passed to intensive treatment in SBR microbial augmentation treating pond 4.1, then obtained qualified discharge water is passed to disinfection in reuse water sterilization storage pond 5; Described disinfecting is with ozone or disinfection by chlorine dioxide.
embodiment 8:as shown in Figure 5, being a kind of livestock breeding wastewater of the present invention and natural pond another embodiment of liquid processing method gained qualified discharge Water Sproading Application way, is the embodiment in (as shown in Figure 2) increase reuse water sterilization storage pond 5 on embodiment 4 basis.It is first passed to by the natural pond liquid regulated through natural pond liquid equalizing tank 3 in aerobic fungus culture treating pond 4.2 to process, then intensive treatment again in SBR microbial augmentation treating pond 4.1, is finally passed to disinfection in reuse water sterilization storage pond 5 again by obtained qualified discharge water; Described disinfecting is with ozone or disinfection by chlorine dioxide.
embodiment 9:as shown in Figure 6, a kind of livestock breeding wastewater of the present invention and natural pond liquid processing method gained qualified discharge Water Sproading Application way integrated embodiment, on embodiment 8 basis (as shown in Figure 5), the output channel of natural pond liquid equalizing tank 3 connects a bypass branch and outputs to the mix bacterium agent process carrying out step C2 in EM pond 4.3, make deodorization and disinfection liquid; The output channel of aerobic fungus culture treating pond 4.2 connects a bypass branch yeast slurry of aerobic fungus culture treating pond bottom settlings is outputted to system join in byproduct pond 6, make yeast extract or fodder additives.
Claims of the present invention is not limited to above-described embodiment.
Claims (9)
1. livestock breeding wastewater and a natural pond liquid processing method, is characterized in that, comprise the steps:
The preparation of A, natural pond liquid and storage: by ordinary method, poultry house sewage is inputted Ye Chu pond, natural pond (2) after anaerobic reaction system (1) processes and store;
B, natural pond liquid regulate: the natural pond liquid in Ye Chu pond, natural pond (2) is transported in natural pond liquid equalizing tank (3) suspended substance carrying out precipitate and separate and/or remove in the liquid of natural pond;
C, natural pond liquid are carried out a biological disposal upon: the natural pond liquid through overregulating in natural pond liquid equalizing tank (3) is exported the natural pond liquid qualified discharge process carrying out step C1, or one tunnel export and carry out the natural pond liquid qualified discharge process of described step C1, and another road is passed to the mix bacterium agent process carrying out step C2 in EM pond (4.3);
The natural pond liquid qualified discharge process of described step C1 is: the natural pond liquid regulated through natural pond liquid equalizing tank (3) is passed to intensive treatment in SBR microbial augmentation treating pond (4.1); Maybe the natural pond liquid regulated through natural pond liquid equalizing tank (3) is first passed in aerobic fungus culture treating pond (4.2) and carries out aerobic fungal biodegradation, and then carry out intensive treatment through SBR microbial augmentation treating pond (4.1);
When the natural pond liquid in Ye Chu pond, natural pond (2) is COD≤5000mg/L, during the mg/L of ammonia nitrogen≤500, step C1 elects as and the natural pond liquid that regulates middle through natural pond liquid equalizing tank (3) is passed to intensive treatment in SBR microbial augmentation treating pond (4.1);
As the natural pond liquid COD >=5000mg/L in Ye Chu pond, natural pond (2), during ammonia nitrogen >=500mg/L, step C1 elects as the natural pond liquid regulated through natural pond liquid equalizing tank (3) to be first passed in aerobic fungus culture treating pond (4.2) and carries out aerobic fungal biodegradation, and then carries out intensive treatment through SBR microbial augmentation treating pond (4.1);
The mix bacterium agent process carrying out step C2 in described EM pond (4.3) carries out mix bacterium agent process with several probiotic bacterium, and the mix bacterium agent used is the combination of photosynthetic bacterium, milk-acid bacteria, yeast, subtilis, enterococcus faecalis and Bacillus coagulans at least 2 kinds; Intensive treatment is the microbial augmentation process eliminated natural pond liquid pollutent and turn out the active sludge comprising microbiobacterial agent in described SBR microbial augmentation treating pond (4.1), and the microbial inoculum used is the combination of subtilis, nitrobacteria, denitrifying bacterium and milk-acid bacteria at least 2 kinds; In described aerobic fungus culture treating pond (4.2), aerobic fungal biodegradation eliminates natural pond liquid pollutent and denitrogenation and desolventing technology, and the aerobic fungi used is yeast.
2. livestock breeding wastewater according to claim 1 and natural pond liquid processing method, is characterized in that, intensive treatment in described SBR microbial augmentation treating pond (4.1): the microbial inoculum consumption used accesses treating pond by the inoculum size of 1%-10%; The bacterial content of microbial inoculum is 1 × 10
6-1 × 10
12regular replenishment again after cfu/g.
3. livestock breeding wastewater according to claim 2 and natural pond liquid processing method, it is characterized in that, in SBR microbial augmentation treating pond (4.1) during intensive treatment, in SBR microbial augmentation treating pond, fluid temperature controls at 15-35 DEG C, the residence time is 2-3 days. treatment scheme comprises 0.5 hour feed liquor time, aeration time 4.5 hours, sedimentation time 2.5 hours, drain time 0.5 hour; Treatment scheme circular flow every day 3 times, during aeration, in pond, liquid dissolving oxygen controls at 2-5mg/L.
4. livestock breeding wastewater according to claim 1 and natural pond liquid processing method, it is characterized in that, aerobic fungal biodegradation in described aerobic fungus culture treating pond (4.2): the yeast used, when aerobic fungus culture treating pond (4.2) starts, yeast agent accesses in aerobic fungus culture treating pond (4.2), when the bacterial content of yeast agent is 1 × 10 by the inoculum size of 1%-10%
6-9 × 10
9regular replenishment again after cfu/g; In aerobic fungus culture treating pond (4.2), fluid temperature controls at 15-35 DEG C, and the residence time is 2-3 days, and during aeration, in pond, liquid dissolving oxygen controls at 2-5mg/L.
5. livestock breeding wastewater according to claim 1 and natural pond liquid processing method, it is characterized in that, the mix bacterium agent process of step C2 is carried out: the mix bacterium agent consumption used is by inoculum size access EM pond (4.3) of 1%-10%, and the bacterial content of microbial inoculum is 1 × 10 in described EM pond (4.3)
6-9 × 10
9regular replenishment again after cfu/g.
6. a livestock breeding wastewater according to claim 1 and natural pond liquid processing method gained qualified discharge Water Sproading Application way, it is characterized in that, the natural pond liquid regulated through natural pond liquid equalizing tank (3) is passed to intensive treatment in SBR microbial augmentation treating pond (4.1), then obtained qualified discharge water is passed to disinfection in reuse water sterilization storage pond (5).
7. a livestock breeding wastewater according to claim 1 and natural pond liquid processing method gained qualified discharge Water Sproading Application way, it is characterized in that, the natural pond liquid regulated through natural pond liquid equalizing tank (3) is first passed to process in aerobic fungus culture treating pond (4.2), then intensive treatment again in SBR microbial augmentation treating pond (4.1), is finally passed to disinfection in reuse water sterilization storage pond (5) again by obtained qualified discharge water.
8. the livestock breeding wastewater according to claim 6 or 7 and natural pond liquid processing method gained qualified discharge Water Sproading Application way, is characterized in that, described in disinfect be with ozone or disinfection by chlorine dioxide.
9. a livestock breeding wastewater according to claim 1 and natural pond liquid processing method gained qualified discharge Water Sproading Application way, it is characterized in that, the output terminal of aerobic fungus culture treating pond (4.2) connects a bypass branch yeast slurry of aerobic fungus culture treating pond bottom settlings is outputted to system to join in byproduct pond (6), system joins yeast extract or fodder additives.
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| CN107721097A (en) * | 2017-11-29 | 2018-02-23 | 江苏苏港和顺生物科技有限公司 | A kind of biogas slurry deodorization, drop solid method |
| CN108178475A (en) * | 2018-01-16 | 2018-06-19 | 同济大学 | A kind of efficient biogas slurry denitrogenation method in situ of anaerobic sludge digestion |
| CN108328866B (en) * | 2018-02-27 | 2021-01-05 | 中国农业大学 | Biogas slurry treatment system and method |
| CN108624506A (en) * | 2018-05-16 | 2018-10-09 | 华南理工大学 | The method of microalgae and yeast mixed culture purification biogas slurry coproduction microbial biomass |
| CN111517564A (en) * | 2020-04-15 | 2020-08-11 | 黑龙江省农业科学院畜牧兽医分院 | Method for treating and utilizing sewage of farm |
| CN114958656A (en) * | 2022-04-28 | 2022-08-30 | 西南环保科技(成都)有限责任公司 | Biological agent and method for treating livestock and poultry urine and biogas slurry |
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| KR100440748B1 (en) * | 2000-04-07 | 2004-07-19 | 김창수 | High-Rate Live Stock Wastewater Treatment Method using Advanced Treatment Process Hybrid SBAR |
| JP2006088028A (en) * | 2004-09-22 | 2006-04-06 | Yamaha Corporation Kk | Anaerobic biofiltration septic tank, sewage treatment system, and sewage treatment method |
| CN201598220U (en) * | 2009-12-25 | 2010-10-06 | 江西省科学院能源研究所 | IOC-SBBR combined reactor |
| CN202131185U (en) * | 2011-06-04 | 2012-02-01 | 广西汇泰环保科技有限公司 | Sewage treatment system for farm |
| CN102267787A (en) * | 2011-07-27 | 2011-12-07 | 福建科佳奇迈生物工程有限公司 | Method for treating livestock and poultry culture polluted marsh solution |
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| CN105132345A (en) * | 2015-10-27 | 2015-12-09 | 淮海工学院 | Enterococcus sp. Y12 and application thereof |
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