CN109987792A - A kind of animal carcass harmless treatment generates the processing method and equipment of sewage - Google Patents
A kind of animal carcass harmless treatment generates the processing method and equipment of sewage Download PDFInfo
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- CN109987792A CN109987792A CN201910303453.4A CN201910303453A CN109987792A CN 109987792 A CN109987792 A CN 109987792A CN 201910303453 A CN201910303453 A CN 201910303453A CN 109987792 A CN109987792 A CN 109987792A
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- mbr membrane
- membrane cisterna
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- 239000010865 sewage Substances 0.000 title claims abstract description 77
- 239000010868 animal carcass Substances 0.000 title claims abstract description 27
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims abstract description 87
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000001301 oxygen Substances 0.000 claims abstract description 83
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000012528 membrane Substances 0.000 claims abstract description 64
- 230000003750 conditioning effect Effects 0.000 claims abstract description 34
- 238000007781 pre-processing Methods 0.000 claims abstract description 11
- 230000001954 sterilising effect Effects 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims description 45
- 238000005276 aerator Methods 0.000 claims description 23
- 239000010802 sludge Substances 0.000 claims description 17
- 230000037452 priming Effects 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 14
- 238000005273 aeration Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 19
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 229910052698 phosphorus Inorganic materials 0.000 description 7
- 239000011574 phosphorus Substances 0.000 description 7
- 238000007664 blowing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 241001148470 aerobic bacillus Species 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000877 Sex Attractant Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention relates to processing methods and equipment that a kind of animal carcass harmless treatment generates sewage, belong to technical field of industrial sewage treatment.Technical solution is: including pre-processing device, biochemical processing device and sterilizing equipment decontaminating apparatus；Animal carcass harmless treatment generates sewage and goes in water removal to be squeezed into air floatation machine by the conditioning tank elevator pump in conditioning tank after large granular impurity by grid, by air bearing effect go to remove water in the major part pollutants such as SS, COD and part ammonia nitrogen；Using anoxic pond (6), the pond MBBR (9) and simultaneous oxygen MBR membrane cisterna (12) combination, biochemical treatment is carried out；For sludge-tank for air floatation machine deslagging and a small amount of simultaneous oxygen MBR membrane cisterna spoil disposal, sterilizing equipment decontaminating apparatus is UV sterilizer.The present invention significantly simplifies the process that common process handles such sewage, and occupied area is small, and ton cost of water treatment is low.
Description
Technical field
The present invention relates to processing methods and equipment that a kind of animal carcass harmless treatment generates sewage, belong to trade effluent
Processing technology field.
Background technique
In spite of natural death or the animal carcass of epidemic disease death, a variety of germs are often carried, if not handling or handling
Improper, corpse can decompose corruption, emitting offensive odor quickly, make sex pheromone pollution air, water source and soil, cause the biography of disease
It broadcasts and spreads, seriously endanger the physical and mental health of surrounding population.Therefore the animal unknown for unusual death or the cause of death, must
Harmless treatment must be carried out to its corpse.The processing method of most domestic is mainly wet type preparation method at present, be will die of illness it is dynamic
Pathogen is killed completely by being passed through high temperature and pressure saturated vapor, is dehydrated after processing to it as in equipment by object corpse
And drying.Sewage can be generated during dehydration, and COD, ammonia nitrogen, SS content are very high in sewage, and with stench.China pair at present
This kind of sewage treatment process is less, and complex process, and ton cost of water treatment is high.
Summary of the invention
It is an object of the present invention to provide processing method and equipment that a kind of animal carcass harmless treatment generates sewage, technique letters
It is single, easy to operate, ton cost of water treatment is low, occupied area is small, and effect is good, solve background technique present in the above problem.
The technical scheme is that
A kind of animal carcass harmless treatment generates the processing method of sewage, comprises the following steps:
After the sewage that animal carcass harmless treatment generates is collected by pipeline, hair in water is collected by hair interceptor first
Hair；
Enter in grille well later, after being retained by fixed grid from inflow conditioning tank；
Sewage is squeezed into air floatation machine by conditioning tank elevator pump later and is pre-processed；
The dross of air floatation machine is discharged into sludge-tank, and clear water flows into anoxic pond top certainly in sludge-tank；
The sewage of air floatation machine enters anoxic pond, flows through anoxic suspension ball filler from top to bottom and passes through water hole by anoxic pond lower part again
It flows into the pond MBBR；
After sewage passes through MBBR filler from the bottom to top in the pond MBBR, simultaneous oxygen MBR is flowed by the pond MBBR top filler intercept net
In membrane cisterna；
And sewage is under the action of being discharged self priming pump in oxygen MBR membrane cisterna, by entering clear water reserviors after simultaneous oxygen MBR membrane module.
After sewage passes through simultaneous oxygen MBR cleaning assembly cleaning in described and oxygen MBR membrane cisterna, into UV sterilizer, disappear
Enter clear water reserviors after poison.
The sewage that animal carcass harmless treatment generates is located in advance using hair interceptor, grille well and air floatation machine
Reason；Using anoxic pond, the pond MBBR and simultaneous oxygen MBR membrane cisterna combination, biochemical treatment is carried out, sewage is in anoxic pond, the pond MBBR and and oxygen
The residence time of MBR membrane cisterna is respectively 4.5h, 9h and 15h.
Anoxic suspension ball filler and MBBR filler, and the water outlet in the pond MBBR are separately added into the anoxic pond and the pond MBBR
Filler intercept net is set at mouthful.
Described and oxygen MBR membrane cisterna, membrane cisterna is using simultaneous oxygen technique, while strengthening nitration denitrification reaction, has cut down a large amount of
Organic sludge reduces sludge discharge, while simultaneous oxygen MBR film retains sludge and SS to simultaneous oxygen MBR membrane cisterna, guarantees water outlet
Water quality.
Find that the high concentrations pollutants such as COD, ammonia nitrogen, the total phosphorus in this class sewage are much all attached to SS through overtesting
On, COD of sewage can be reduced to 1000 hereinafter, total phosphorus has even had reached level-one A sewage quality substantially after SS removal
Index, biochemical treatment while removing SS also for after provide good condition of water quality.So the pre- place of this sewage technique
As long as reason removes SS in sewage, that is, it can reach the purpose of abatement COD, ammonia nitrogen, total phosphorus, without polluting to ammonia nitrogen, COD etc.
Object targetedly removes, and due to such water quality good biodegradability, but in sewage, COD, ammonia-nitrogen content are higher, and pass through
Pretreatment can not completely remove SS in water, so also needing to carry out conventional biochemical process to reinforce processing and be appropriately extended each
A process section residence time.
A kind of animal carcass harmless treatment generates the processing equipment of sewage, including pre-processing device, biochemical processing device
And sterilizing equipment decontaminating apparatus；
The pre-processing device includes hair interceptor, grille well, conditioning tank and air floatation machine；The outlet of hair interceptor and grid
Well connection, grille well are connect by grid with conditioning tank；It is equipped with conditioning tank elevator pump in conditioning tank, passes through conditioning tank elevator pump
It is connect with air floatation machine；
The biochemical processing device includes anoxic pond, the pond MBBR and oxygen MBR membrane cisterna and sludge-tank, between anoxic pond and the pond MBBR
Equipped with water hole, filler intercept net is equipped between the pond MBBR and simultaneous oxygen MBR membrane cisterna；Be equipped in anoxic pond anoxic suspension ball filler and
Anoxic pond aerator is equipped in the pond MBBR in MBBR filler and the pond MBBR micro-hole aerator, and oxygen MBR membrane cisterna and arranges and oxygen MBR
Membrane module and the pond MBR micro-pore aeration component；The air floatation machine in pre-processing device, dross outlet are connect with sludge-tank,
Outlet of sewer is connect with anoxic pond；Anoxic pond is connect by water hole with the pond MBBR, and the pond MBBR passes through filler intercept net and and oxygen
The connection of MBR membrane cisterna；
The sterilizing equipment decontaminating apparatus is UV sterilizer；And oxygen MBR membrane cisterna be externally provided with the simultaneous oxygen MBR cleaning assembly that is mutually matched and
It is discharged self priming pump, and oxygen MBR membrane cisterna is connect by being discharged self priming pump with UV sterilizer.
The UV sterilizer is connect with clear water reserviors.
The present invention is additionally provided with high pressure blower, respectively with anoxic pond aerator, the pond MBBR micro-hole aerator and the pond MBR micropore
It is aerated component connection, gas source is provided.
Described and oxygen MBR membrane cisterna is equipped with sludge reflux pump, is connect by sludge reflux pump with sludge-tank.
Grille well, conditioning tank, anoxic pond, the pond MBBR, simultaneous oxygen MBR membrane cisterna, sludge-tank and clear water reserviors according to the present invention
Deng being public reinforced concrete structure pond body.
Conditioning tank elevator pump according to the present invention, air floatation machine, anoxic suspension ball filler, anoxic pond aerator, MBBR are filled out
Material, the pond MBBR micro-hole aerator and oxygen MBR membrane module and oxygen MBR cleaning assembly, water outlet self priming pump, the pond MBR micro-pore aeration group
Part, UV sterilizer, high pressure blower, sludge reflux pump and hair interceptor etc. are known in this field common commercially available
Product.
The filler intercept net, water hole and grid etc., self manufacture.
The innovative point of present device is that prior art is carried out to reasonable combination arrangement, is used for the innoxious place of animal carcass
Reason generates the processing of sewage, generates good effect.
Using the present invention, animal carcass harmless treatment generates sewage and is gone in water removal after large granular impurity by grid, by
Conditioning tank elevator pump in conditioning tank is squeezed into air floatation machine, removes major part SS, COD and part ammonia nitrogen in water removal by air bearing effect
Equal pollutants；Using anoxic pond, the pond MBBR and simultaneous oxygen MBR membrane cisterna combination, biochemical treatment is carried out；Sludge-tank is used for air floatation machine deslagging
With a small amount of simultaneous oxygen MBR membrane cisterna spoil disposal, sterilizing equipment decontaminating apparatus is ultraviolet ray disinfector.The present invention significantly simplifies common process processing
The process of such sewage, occupied area is small, and ton cost of water treatment is low.
The invention has the advantages that: this class sewage treatment process is greatly reduced, it is pre- not only to eliminate cumbersome sewage
Treatment process only can be such that COD, ammonia nitrogen, total phosphorus greatly reduces by the removal to SS, to addition suspension ball filler in biochemistry pool
The service efficiency of biochemistry pool can be made to improve with MBBR filler, save occupied area, reduced a ton water process expense.
Detailed description of the invention
Fig. 1 is process flow diagram of the embodiment of the present invention；
Fig. 2 is equipment plan view of the embodiment of the present invention；
In figure: grille well 1, grid 2, conditioning tank 3, conditioning tank elevator pump 4, air floatation machine 5, anoxic pond 6, anoxic suspension ball filler
7, anoxic pond aerator 8, the pond MBBR 9, MBBR filler 10, the pond MBBR micro-hole aerator 11 and oxygen MBR membrane cisterna 12 and oxygen MBR film
Component 13 and oxygen MBR cleaning assembly 14, water outlet self priming pump 15, the pond MBR micro-pore aeration component 16, UV sterilizer 17, dirt
Mud sump 18, high pressure blower 19, clear water reserviors 20, sludge reflux pump 21, control room 22, equipment room 23, hair interceptor 24, filler
Intercept net 25, water hole 26.
Specific embodiment
Below in conjunction with attached drawing, the invention is further illustrated by the examples.
A kind of animal carcass harmless treatment generates the processing method of sewage, comprises the following steps:
After the sewage that animal carcass harmless treatment generates is collected by pipeline, hair in water is collected by hair interceptor 24 first
Hair；
Enter in grille well 1 later, after being retained by fixed grid 2 from inflow conditioning tank 3；
Sewage is squeezed into air floatation machine 5 by conditioning tank elevator pump 4 later and is pre-processed；
The dross of air floatation machine 5 is discharged into sludge-tank 18, and clear water flows into 6 top of anoxic pond certainly in sludge-tank 18；
The sewage of air floatation machine 5 enters anoxic pond 6, flows through anoxic suspension ball filler 7 from top to bottom and was passed through again by anoxic pond lower part
Water hole 26 flows into the pond MBBR 9；
After sewage passes through MBBR filler 10 from the bottom to top in the pond MBBR 9, flowed by the pond MBBR top filler intercept net 25 simultaneous
In oxygen MBR membrane cisterna 12；
And sewage is under the action of being discharged self priming pump 15 in oxygen MBR membrane cisterna 12, by entering clear water reserviors after simultaneous oxygen MBR membrane module 13
20。
Sewage is by entering disinfection by ultraviolet light after simultaneous oxygen MBR cleaning assembly 14 cleans in described and oxygen MBR membrane cisterna 12
Equipment 17 enters clear water reserviors 20 after disinfection.
The sewage that animal carcass harmless treatment generates is carried out using hair interceptor 24, grille well 1 and air floatation machine 5 pre-
Processing；It is combined using anoxic pond 6, the pond MBBR 9 and simultaneous oxygen MBR membrane cisterna 12, carries out biochemical treatment, sewage is in anoxic pond 6, the pond MBBR
9 and and residence time of oxygen MBR membrane cisterna 12 be respectively 4.5h, 9h and 15h.
It is separately added into anoxic suspension ball filler 7 and MBBR filler 10 in the anoxic pond 6 and the pond MBBR 9, and in the pond MBBR 9
Water outlet be arranged filler intercept net 25.
Described and oxygen MBR membrane cisterna 12, membrane cisterna is using simultaneous oxygen technique, while strengthening nitration denitrification reaction, has cut down big
Organic sludge is measured, reduces sludge discharge, while simultaneous oxygen MBR film retains sludge and SS to simultaneous oxygen MBR membrane cisterna, guarantees
Water water quality.
Find that the high concentrations pollutants such as COD, ammonia nitrogen, the total phosphorus in this class sewage are much all attached to SS through overtesting
On, COD of sewage can be reduced to 1000 hereinafter, total phosphorus has even had reached level-one A sewage quality substantially after SS removal
Index, biochemical treatment while removing SS also for after provide good condition of water quality.So the pre- place of this sewage technique
As long as reason removes SS in sewage, that is, it can reach the purpose of abatement COD, ammonia nitrogen, total phosphorus, without polluting to ammonia nitrogen, COD etc.
Object targetedly removes, and due to such water quality good biodegradability, but in sewage, COD, ammonia-nitrogen content are higher, and pass through
Pretreatment can not completely remove SS in water, so also needing to carry out conventional biochemical process to reinforce processing and be appropriately extended each
A process section residence time.
A kind of animal carcass harmless treatment generates the processing equipment of sewage, including pre-processing device, biochemical processing device
And sterilizing equipment decontaminating apparatus；
The pre-processing device includes hair interceptor 24, grille well 1, conditioning tank 3 and air floatation machine 5；Hair interceptor 24 goes out
Mouth is connect with grille well 1, and grille well 1 is connect by grid 2 with conditioning tank 3；It is equipped with conditioning tank elevator pump 4 in conditioning tank 3, leads to
Pond elevator pump 4 is overregulated to connect with air floatation machine 5；
The biochemical processing device includes anoxic pond 6, the pond MBBR 9 and oxygen MBR membrane cisterna 12 and sludge-tank 18, anoxic pond 6 and MBBR
It is equipped with water hole 26 between pond 9, is equipped with filler intercept net 25 between the pond MBBR 9 and simultaneous oxygen MBR membrane cisterna 12；It is equipped in anoxic pond 6
Anoxic suspension ball filler 7 and anoxic pond aerator 8, the pond MBBR 9 is interior equipped with MBBR filler 10 and the pond MBBR micro-hole aerator 11, simultaneous
Simultaneous oxygen MBR membrane module 13 and the pond MBR micro-pore aeration component 16 are arranged in oxygen MBR membrane cisterna 12；The air bearing in pre-processing device
Machine 5, dross outlet are connect with sludge-tank 18, and outlet of sewer is connect with anoxic pond 6；Anoxic pond 6 by water hole 26 with
The pond MBBR 9 connects, and the pond MBBR 9 is connect by filler intercept net 25 with simultaneous oxygen MBR membrane cisterna 12；
The sterilizing equipment decontaminating apparatus is UV sterilizer 17；And oxygen MBR membrane cisterna 12 is externally provided with the simultaneous oxygen MBR cleaning group being mutually matched
Part 14 and water outlet self priming pump 15, and oxygen MBR membrane cisterna 12 are connect by being discharged self priming pump 15 with UV sterilizer 17.
The UV sterilizer 17 is connect with clear water reserviors 20.
The present invention is additionally provided with high pressure blower 19, respectively with anoxic pond aerator 8, the pond MBBR micro-hole aerator 11 and MBR
Pond micro-pore aeration component 16 connects, and provides gas source.
And oxygen MBR membrane cisterna 12 is equipped with sludge reflux pump 21, is connect by sludge reflux pump 21 with sludge-tank 18.
Grille well 1 according to the present invention, conditioning tank 3, anoxic pond 6, the pond MBBR 9 and oxygen MBR membrane cisterna 12, sludge-tank 18
It is public reinforced concrete structure pond body with clear water reserviors 20 etc..
Conditioning tank elevator pump 4 according to the present invention, air floatation machine 5, anoxic suspension ball filler 7, anoxic pond aerator 8,
MBBR filler 10, the pond MBBR micro-hole aerator 11 and oxygen MBR membrane module 13 and oxygen MBR cleaning assembly 14, water outlet self priming pump 15,
The pond MBR micro-pore aeration component 16, UV sterilizer 17, high pressure blower 19, sludge reflux pump 21 and hair interceptor 24
Deng for common commercial product known in this field.
The filler intercept net 25, water hole 26 and grid 2 etc., self manufacture.
In embodiment, in structures (grille well 1, conditioning tank 3, anoxic pond 6, the pond MBBR 9 and oxygen MBR membrane cisterna 12, sludge
Pond 18 and clear water reserviors 20) side setting equipment room 23, the interior arrangement air floatation machine 5 of equipment room 23, high pressure blower 19, water outlet self priming pump
15, and oxygen MBR cleaning assembly 14, UV sterilizer 17 and control room 22, the conventional switch control of the interior setting of control room fill
It sets, control air floatation machine 5, high pressure blower 19, water outlet self priming pump 15 and oxygen MBR cleaning assembly 14 and UV sterilizer 17
Working condition.
The capital equipment that the present embodiment uses see the table below:
Capital equipment list
Main units involved in embodiment see the table below:
The course of work:
The animal carcass harmless treatment generated in workshop generates sewage, after collecting by pipeline, first passes around hair receipts
Storage 24 removes the impurity such as the animal hair in sewage, prevents hair from impacting to mechanical equipment；Sewage is by fixing later
Formula 3mm stainless steel grid 2 further retains large granular impurity in sewage, and then gravity flow enters in conditioning tank 3, by for a long time
Storage after, balanced influent quality, and by conditioning tank elevator pump 4 adjust into processing water；Conditioning tank elevator pump 4 mentions sewage
It rises up into air floatation machine 5；Include air dissolving system, PAC, PAM medicine system, skimming plate etc. in air floatation machine.PAC and PAM is added in sewage
Afterwards a large amount of micro air bubble is generated by air dissolving system in water, is attached to air in the form of the micro-bubble of high degree of dispersion outstanding
It on floating object particle, causes density to be less than the state of water, so that it is kept afloat using law of buoyancy, arrived dross slash by skimming plate
In sludge-tank 18, to realize separation of solid and liquid.
Clear water gravity flow enters 6 top of anoxic pond after air bearing, and anoxic pond aerator 8, top filling are installed in bottom in anoxic pond
Anoxic suspension ball filler 7.The effect of bottom anoxic pond aerator 8 mainly enhances the blowing efficiency of high pressure blower 19, makes air
Evenly dispersed and waste water guarantees that sewage oxygen content makes sewage that denitrification occur in 0.2mg/L-0.5mg/L in anoxic pond
Reaction, sloughs the ammonia nitrogen in water；Top suspension ball filler effect is that good carrier is provided for microorganism, increases sewage and activity
Sludge contact area promotes treatment effeciency.Sewage is entered in the pond MBBR 9 by the water hole 26 of anoxic pond lower part, in the pond MBBR 9
Portion includes MBBR filler 10, filler intercept net 25 and the pond MBBR micro-hole aerator 11, and the pond MBBR micro-hole aerator 11 acts on mainly
It is the blowing efficiency for enhancing high pressure blower 19, keeps air evenly dispersed and waste water, guarantees that sewage is oxygen-containing in the pond MBBR
Amount provides good growing environment in 2-4mg/L, to aerobic bacteria in the pond MBBR 9；MBBR filler 10 is directly filled in the pond MBBR 9
Interior, density is substantially identical as sewage after MBBR 10 biofilm of filler, in high pressure blower 19 and the pond MBBR micro-hole aerator 11
It is kept moving in the pond MBBR 9 under aeration effect, increases the efficiency that decarburization removes ammonia nitrogen；The effect of filler intercept net 25 predominantly intercepts
MBBR filler 10 in the pond MBBR 9 prevents MBBR filler 10 from flowing into simultaneous oxygen MBR membrane cisterna 12 with water.
And include simultaneous oxygen MBR membrane module 13 and the pond MBR micro-pore aeration component 16 in oxygen MBR membrane cisterna 12；The pond MBR micro-pore aeration
The effect of component 16 mainly enhances the blowing efficiency of high pressure blower 19, keeps air evenly dispersed and waste water, guarantees MBR
Sewage oxygen content aerobic bacteria in 2-4mg/L, and oxygen MBR membrane cisterna 12 provides good growing environment in pond；And oxygen MBR membrane cisterna 12
Water outlet makes sewage after the filtering of simultaneous oxygen MBR membrane module 13, using simultaneous oxygen by the swabbing action of water outlet self priming pump 15
After the cleaning of MBR cleaning assembly 14, the disinfection of UV sterilizer 17, it is discharged into clear water reserviors.Ultraviolet light is placed in equipment room 23
Sterilizing equipment decontaminating apparatus 17, high pressure blower 19, water outlet self priming pump 15, control room 22 and and oxygen MBR cleaning assembly 14.
Claims (7)
1. the processing method that a kind of animal carcass harmless treatment generates sewage, characterized by comprising the steps of:
After the sewage that animal carcass harmless treatment generates is collected by pipeline, collected in water by hair interceptor (24) first
Hair；
Enter in grille well (1) later, after being retained by fixed grid (2) from inflow conditioning tank (3)；
Sewage is squeezed into air floatation machine (5) by conditioning tank elevator pump (4) later and is pre-processed；
The dross of air floatation machine (5) is discharged into sludge-tank (18), and clear water flows into anoxic pond (6) top certainly in sludge-tank (18)；
The sewage of air floatation machine (5) enters anoxic pond (6), flows through anoxic suspension ball filler (7) from top to bottom again by anoxic pond lower part
By water hole, (26 are flowed into the pond MBBR (9)；
After sewage passes through MBBR filler (10) from the bottom to top in the pond MBBR (9), pass through the pond MBBR top filler intercept net (25)
It flows into simultaneous oxygen MBR membrane cisterna (12)；
And sewage is entered under the action of being discharged self priming pump (15) by simultaneous oxygen MBR membrane module (13) afterwards in oxygen MBR membrane cisterna (12)
Clear water reserviors (20).
2. the processing method that a kind of animal carcass harmless treatment according to claim 1 generates sewage, it is characterised in that:
After sewage passes through simultaneous oxygen MBR cleaning assembly (14) cleaning in described and oxygen MBR membrane cisterna (12), into UV sterilizer
(17), enter clear water reserviors (20) after disinfection.
3. a kind of animal carcass harmless treatment according to claim 1 or 2 generates the processing method of sewage, feature exists
In: the sewage that animal carcass harmless treatment generates is carried out using hair interceptor (24), grille well (1) and air floatation machine (5)
Pretreatment；Using anoxic pond (6), the pond MBBR (9) and simultaneous oxygen MBR membrane cisterna (12) combination, biochemical treatment is carried out, sewage is in anoxic pond
(6), the residence time of the pond MBBR (9) and simultaneous oxygen MBR membrane cisterna (12) is respectively 4.5h, 9h and 15h.
4. the processing equipment that a kind of animal carcass harmless treatment generates sewage, it is characterised in that: including pre-processing device, biochemistry
Processing equipment and sterilizing equipment decontaminating apparatus；
The pre-processing device includes hair interceptor (24), grille well (1), conditioning tank (3) and air floatation machine (5)；Hair collection
The outlet of device (24) is connect with grille well (1), and grille well (1) is connect by grid (2) with conditioning tank (3)；In conditioning tank (3)
Equipped with conditioning tank elevator pump (4), it is connect by conditioning tank elevator pump (4) with air floatation machine (5)；
The biochemical processing device includes anoxic pond (6), the pond MBBR (9) and oxygen MBR membrane cisterna (12) and sludge-tank (18), anoxic
Water hole (26) are equipped between pond (6) and the pond MBBR (9), filler is equipped between the pond MBBR (9) and simultaneous oxygen MBR membrane cisterna (12) and intercepts
Net (25)；It is equipped with anoxic suspension ball filler (7) and anoxic pond aerator (8) in anoxic pond (6), MBBR is equipped in the pond MBBR (9)
Simultaneous oxygen MBR membrane module (13) and the pond MBR are arranged in filler (10) and the pond MBBR micro-hole aerator (11), and oxygen MBR membrane cisterna (12)
Micro-pore aeration component (16)；The air floatation machine (5) in pre-processing device, dross outlet is connect with sludge-tank (18), dirty
Water out is connect with anoxic pond (6)；Anoxic pond (6) is connect by water hole (26) with the pond MBBR (9), and the pond MBBR (9) are by filling out
Material intercept net (25) is connect with simultaneous oxygen MBR membrane cisterna (12)；
The sterilizing equipment decontaminating apparatus is UV sterilizer (17)；It is clear that simultaneous oxygen MBR membrane cisterna (12) is externally provided with the simultaneous oxygen MBR being mutually matched
Component (14) and water outlet self priming pump (15) are washed, and oxygen MBR membrane cisterna (12) passes through water outlet self priming pump (15) and UV sterilizer
(17) it connects.
5. the processing equipment that a kind of animal carcass harmless treatment according to claim 4 generates sewage, it is characterised in that:
The UV sterilizer (17) connect with clear water reserviors (20).
6. a kind of animal carcass harmless treatment according to claim 4 or 5 generates the processing equipment of sewage, feature exists
In: be additionally provided with high pressure blower (19), respectively with anoxic pond aerator (8), the pond MBBR micro-hole aerator (11) and the pond MBR micropore
It is aerated component (16) connection, gas source is provided.
7. a kind of animal carcass harmless treatment according to claim 4 or 5 generates the processing equipment of sewage, feature exists
In: described and oxygen MBR membrane cisterna (12) is equipped with sludge reflux pump (21), is connect by sludge reflux pump (21) with sludge-tank (18).
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