CN108793640A - A kind of Feather and down industry wastewater treatment equipment and its application - Google Patents
A kind of Feather and down industry wastewater treatment equipment and its application Download PDFInfo
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- CN108793640A CN108793640A CN201810836002.2A CN201810836002A CN108793640A CN 108793640 A CN108793640 A CN 108793640A CN 201810836002 A CN201810836002 A CN 201810836002A CN 108793640 A CN108793640 A CN 108793640A
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- 210000003746 feather Anatomy 0.000 title claims abstract description 36
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000010802 sludge Substances 0.000 claims abstract description 28
- 230000008021 deposition Effects 0.000 claims abstract description 25
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 23
- 235000013305 food Nutrition 0.000 claims abstract description 18
- 235000013372 meat Nutrition 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000004576 sand Substances 0.000 claims abstract description 8
- 238000005660 chlorination reaction Methods 0.000 claims abstract description 3
- 239000000945 filler Substances 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 11
- 238000009287 sand filtration Methods 0.000 claims description 10
- 239000000701 coagulant Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 239000005416 organic matter Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 241001465754 Metazoa Species 0.000 claims description 5
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 235000013311 vegetables Nutrition 0.000 claims description 5
- 238000011109 contamination Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 230000002906 microbiologic effect Effects 0.000 claims description 3
- 239000002957 persistent organic pollutant Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 2
- 238000006731 degradation reaction Methods 0.000 claims description 2
- 238000006396 nitration reaction Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 210000002268 wool Anatomy 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 9
- 210000004209 hair Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000010865 sewage Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000010786 composite waste Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 241000589651 Zoogloea Species 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000003519 ventilatory effect Effects 0.000 description 1
- 238000003911 water pollution Methods 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- 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
-
- 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
- C02F3/286—Anaerobic digestion processes including two or more steps
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of Feather and down industry wastewater treatment equipment and its applications, belong to technical field of waste water processing.The processing unit of the present invention includes filter device, meat food processing pond, air-dissolving air-float pond and biochemical treatment apparatus and sludge concentration tank, waste water passes sequentially through filter device, meat food processing pond, air-dissolving air-float pond and biochemical treatment apparatus, biochemical treatment apparatus includes sequentially connected anoxic biochemistry pool, anaerobic biological pond, aerobic biochemical pool, secondary settling tank, contact-oxidation pool, final deposition pool, sand filtering device and chlorination equipment, secondary settling tank and final deposition pool are connect with anoxic biochemistry pool respectively, and sludge concentration tank is connected with air-dissolving air-float pond, secondary settling tank, final deposition pool respectively.The present invention through handle obtained water can reuse wash and produce to natural feather, save cost while environmental protection for enterprise.
Description
Technical field
The invention belongs to technical field of waste water processing, more specifically to a kind of Feather and down industry wastewater treatment equipment and
It is applied.
Background technology
It generally requires that a certain amount of detergent is added during the surface cleaning of natural feather, it is remaining on natural feather for cleaning
Polluter, therefore will produce waste water in cleaning process.In the waste water that a certain Feather and down industry factory is discharged, life is generally comprised
Production process generates the sanitary sewage of waste water and factory, and the waste water that production process generates thaws shower water, original essentially from raw wool
Hair cleaning waste water, smart hair clean waste water, the pollutant or contamination index in this three process waste water be mainly COD, BOD, SS,
LAS、NH3- N, TN, TP, vegetable and animals oils etc..Sanitary sewage comes from domestic water and shower water, major pollutants or
There are COD, BOD, SS, NH in contamination index3- N, vegetable and animals oils etc..
Raw wool thaws shower water：Since raw wool has stretch journey between slaughterhouse to wool washing factory, to prevent woollen from rotting,
So raw wool can all be freezed before transport, waits and transport to wool washing factory water drenching defrosting again.It is (main containing more organic matter in this melt water
If blood), less solid suspension etc..
Raw wool cleans waste water：Raw wool refers to the feather that slaughterhouse directly takes off from duck, and this feather is messy,
Excrement, bloodstain etc. are speckled in feather.It cleans in the waste water of raw wool containing more organic matter, more solid suspension, Yi Jiqing
The detergent etc. being added when washing.
Smart hair cleans waste water：Smart hair refer to make natural feather reach better state, washing with water repeatedly, this natural feather due to
It is not to clean for the first time, so ejected wash water is more clean.It is outstanding containing less organic matter, more solid in the waste water of the smart hair of cleaning
Float, and detergent, the brightening agent etc. that are added when cleaning.
Sanitary sewage：Sewage Disposal is discharged into after septic tank.Contain organic matter, suspended matter etc. in waste water.
As can be seen that the waste water that natural feather cleaning industry generates has, complicated component, variation water quality be big, pollutant concentration above
High, the features such as biodegradability is poor, if this pollutant can generate serious pollution without processing direct emission to environment.
Invention content
Goal of the invention：In view of the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a kind of Feather and down industries
Wastewater treatment equipment, the waste water handled by the device largely can reuse wash and produce to natural feather, the purpose of the present invention also exists
In the application for providing the Feather and down industry wastewater treatment equipment.
Technical solution：To solve the above-mentioned problems, the technical solution adopted in the present invention is as follows：
A kind of Feather and down industry wastewater treatment equipment, including sequentially connected filter device, meat food processing pond, air-dissolving air-float
Pond, anoxic biochemistry pool, anaerobic biological pond, aerobic biochemical pool, secondary settling tank, contact-oxidation pool, final deposition pool, sand filtering device, disinfection dress
It sets and clear water reserviors, the mud discharging mouth in the air-dissolving air-float pond, secondary settling tank and final deposition pool is connect with the sludge concentration tank respectively, described
The mud discharging mouth of secondary settling tank and final deposition pool is connect with the anoxic biochemistry pool, and the contact-oxidation pool connects with the anaerobic biological pond
It connects.
The mesh size of the filter device is 1~3mm.
Meat food processing pond bottom of pond is equipped with boring aeration pipe and carries out preaeration to waste water.
Filler is housed, filler is submerged by water, and filler bottom is equipped with the air blast for aeration aerating in the contact-oxidation pool
Machine.
The sand filtering device is the continuous sandfiltration pot of automatic backwash.
The invention further relates to application of the wastewater treatment equipment in Feather and down industry wastewater treatment, include the following steps：It will
Feather and down industry waste water enters meat food processing pond and carries out preaeration after filtering；Waste water after preaeration is discharged into air-dissolving air-float pond, into
The separation of suspended matter in row waste water；Waste water after air-dissolving air-float pond detaches enters anoxic biochemistry pool, to nitrate nitrogen and organic
Pollutant carries out anti-nitration reaction；The water outlet of anoxic biochemistry pool enters anaerobic biological pond, by anaerobe to big in waste water
Particle organic pollution and persistent organic pollutants carry out anaerobic degradation；The water outlet of anaerobic biological pond enters aerobic biochemical pool, profit
Oxygenolysis is carried out to the organic matter in waste water with aerobic microbiological；Aerobic biochemical pool water outlet, which enters secondary settling tank, makes sludge and water point
From；The water that secondary settling tank is separated enters contact-oxidation pool, carries out fully oxidized；Contact-oxidation pool water outlet, which enters final deposition pool, makes dirt
Mud and water separation；The water that final deposition pool is separated carries out sand filtration, disinfection, and water outlet is discharged or returned after reaching professional standard
With；
Wherein, by the activity sludge reflux of secondary settling tank and final deposition pool to anoxic biochemistry pool, by the mixing in contact-oxidation pool
Liquid is back to anaerobic biological pond；The extra dirt that will be isolated in the dross isolated in air-dissolving air-float pond and secondary settling tank, final deposition pool
Mud is discharged into sludge concentration tank.
The separation method of suspended matter is in the waste water in air-dissolving air-float pond：Coagulation is added into the waste water for entering air-dissolving air-float pond
Agent and flocculant, and carry out being sufficiently stirred reaction；The coagulant is aluminium polychloride, and the flocculant is polyacrylamide.
Residence time of the waste water in meat food processing pond is 3~6h, and the residence time in air-dissolving air-float pond is 0.5
~2.5h, the residence time in anoxic biochemistry pool are 3~6h, and the residence time in anaerobic biological pond is 3~5h, aerobic
Residence time in biochemistry pool is 8~12h, and the residence time in contact-oxidation pool is 3~5h.
Waste water quality after meat food processing pond is adjusted is CODcr≤ 1800mg/L, BOD5≤ 500mg/L, SS≤500mg/
L, NH3- N≤30mg/L, TN≤40mg/L, TP≤3mg/L, LAS≤5mg/L, vegetable and animals oils≤10mg/L.
Advantageous effect：Compared with the prior art, beneficial effects of the present invention are：The processed water of the present invention can reuse to plumage
Suede washing production, while saving groundwater resources, also can effective solution economic development and environment protection contradiction, pass through
The recycling of water resource protects and saves cost while environment for enterprise.
Description of the drawings
Fig. 1 is the process flow diagram of the present invention.
Specific implementation mode
The present invention is further described below with reference to specific embodiment.
Embodiment 1
A kind of Feather and down industry wastewater treatment equipment of the present embodiment, including filter device, meat food processing pond, air-dissolving air-float pond
With biochemical treatment apparatus and sludge concentration tank, waste water passes sequentially through at filter device, meat food processing pond, air-dissolving air-float pond and biochemistry
Device is managed, biochemical treatment apparatus includes sequentially connected anoxic biochemistry pool, anaerobic biological pond, aerobic biochemical pool, secondary settling tank, contact
Oxidation pond, final deposition pool, sand filtering device and chlorination equipment, secondary settling tank and final deposition pool are connect with anoxic biochemistry pool respectively, sludge condensation
Pond is connected with air-dissolving air-float pond, secondary settling tank, final deposition pool respectively.Wherein, filter device is the grid canal that mesh size is 1~3mm
Or fishing hair machine.
The sand filtering device that the present invention selects is the continuous sandfiltration pot of automatic backwash.It can filtering while to filtrate into
Row cleaning is not required to shut down and be cleaned to filtrate, can guarantee the continuous and steady operation of filter device, it omits conventional water-purifying process
In reaction, precipitation workshop section, in filter tank complete flocculation, filtering and backwash process so that be directly condensed in filter bed
Be separated into possibility.Since almost all of chemical treatment step all carries out directly in filter bed, in equipment volume
Compared with traditional chemical treatment, continuous sand filtration device can save 80% or more, and dosage is also than traditional chemical treatment
Save 20%~30%.
Using the Feather and down industry wastewater treatment method of the present embodiment of above-mentioned apparatus, as shown in Figure 1, including the following steps：
(1) production of pending Feather and down industry and sanitary wastewater enter meat food processing pond through filter device；
(2) meat food processing pond bottom of pond is equipped with boring aeration pipe and can be prevented by air stirring to waste water progress preaeration
The deposition of suspended matter in sewage, water quantity and quality relatively keep stable, and have the work that oxygenation prevents the interior fermentation of regulating reservoir from degenerating concurrently
With to carry out the adjusting of water, water quality, the waste water after adjusting is discharged into air-dissolving air-float pond；Increase aerator in regulating reservoir,
One plays the role of uniformly mixed water quality, is impacted secondly can avoid sedimentation of suspension, thirdly aeration can play advance place
The effect of reason, is convenient to subsequent processing.
(3) coagulant and flocculant is added to the waste water for entering air-dissolving air-float pond, and carries out being sufficiently stirred reaction, microbubble
Take the suspended matter in waste water to pool surface, after separation, dross enters sludge concentration tank, and it is biochemical that water outlet gravity flow enters anoxic
Pond；
(4) waste water initially enters anoxic pond, and denitrification preferentially obtains carbon source.Waste water is in aerobic section, organic matter (BOD5) quilt
Aerobic microbiological oxygenolysis, organic nitrogen are converted into nitre state ammonia by ammoniation and nitrification, secondary settling tank and final deposition pool
In activity sludge reflux with nitrate nitrogen to anoxic biochemistry pool, the denitrifying bacterium in activated sludge utilizes the nitrate nitrogen in waste water
Denitrification is carried out with organic pollution, so that nitrate nitrogen is converted into molecular nitrogen and effective past to obtain in escaping into air
It removes, achieve the effect that denitrogenation and while removal organic polluter, the water outlet of anoxic biochemistry pool being gone to enter anaerobic biological pond；
(5) anaerobe in anaerobic biological pond is the bulky grain organic pollution in waste water, organic contamination difficult to degrade
Object is decomposed into the degradable organic pollution of little particle, improves the biodegradability of waste water；Meanwhile having in anaerobic biological pond a large amount of
PolyP bacteria, under anaerobic, phosphor contaminant matter in polyP bacteria releaser, largely to be absorbed in waste water in aerobic biochemical pool
Total phosphorus polluter, anaerobic biological pond water outlet enter aerobic biochemical pool；
(6) air is continuously passed through into aerobic biochemical pool, through being formed after a certain period of time because aerobic microorganism breeds
Sludge-like flocculate inhabites the micropopulation based on zoogloea thereon, has the energy of very strong absorption and oxidation of organic compounds
Power.Various micropopulations in waste water are continuously mixed, form activated sludge, it is solidifying using the biology of activated sludge
Poly-, absorption and oxidation, to decompose the organic pollution removed in waste water；Waste water is passed through secondary settling tank after Aerobic Process for Treatment makes dirt
Mud and water separation, for most of sludge reflux to anoxic biochemistry pool, redundance then drains into sludge concentration tank, and secondary settling tank is separated
Water enter contact-oxidation pool；
(7) filler is housed, filler is submerged by water, with air blower in filler bottom aeration aerating, air in contact-oxidation pool
From bottom to top, it carries pending waste water secretly, passes freely through filler part, activated sludge is attached to filler surface, not with water flowing, gives up
Water comes into full contact with filler achievees the effect that purification, and the water of contact-oxidation pool discharge, which enters final deposition pool, makes sludge and water detach, greatly
Partial sludge is back to anoxic biochemistry pool, and redundance drains into sludge concentration tank, and the water that final deposition pool is separated passes through intermediate water
Pond enters sand filtering device, and (intermediate pool is resiliency pond, mainly stores a certain amount of waste water, then squeezes into sand filtration by pump
Advanced treating is carried out in pond), mixed-liquor return in contact-oxidation pool to anaerobic biological pond；
(8) after sludge is discharged into sludge concentration tank, the supernatant after flocculating, staticly settling is discharged into meat food processing again
Pond, bottom thickened sludge are pressed dry using plate and frame filter press, and the outer operation harmless treatment of mud cake, filtrate is back to meat food processing pond；
(9) contain a large amount of quartz sands in sand filter, the SS polluters in sewage are intercepted by quartz sand filtration, and retain
Certain COD pollutants, pond body can be backwashed automatically, clean quartz sand surface polluter, and ejected wash water is discharged into adjusting
It is handled in pond.The waste water of final deposition pool discharge carries out ozonization after sand filtration, enters clear water reserviors after reaching professional standard, can
Carry out discharge or reuse.
Residence time of the waste water in meat food processing pond is 3~6h, in the present embodiment preferably 3.2h, and waste water is in molten gas
Residence time in flotation tank is 0.5~2.5h, and the present embodiment is preferably 1h, and residence time of the waste water in anoxic biochemistry pool be
3~6h, the present embodiment are preferably 3.2h, and the residence time in anaerobic biological pond is 3~5h, and the present embodiment is preferably 3.2h,
Residence time in aerobic biochemical pool is 8~12h, and the present embodiment is preferably 9.6h, the residence time in contact-oxidation pool
For 3~5h, the present embodiment is preferably 4.3h.Wherein, aerobic biochemical pool is using micropore aeration pipe, index of correlation：Aerobic life
Change pool size 15m × 16m × 6m, a diameter of 60mm of aeration tube, length 2m, the service area of aeration tube is 1.3~
2.5m2/ m, coefficient of oxygen utilization 30.23%, standard ventilatory capacity are 8.4m3/ m, aeration tube quantity are 180 sets.
In addition, the mode of dosing coagulant and flocculant is to be added by solution tank, metering pump in step 3, in solution tank
Equipped with aerator and continue to be aerated, plays stirring action.The control of the dosage of coagulant and flocculant can be manually adjusted,
Corresponding dosage is adjusted according to the turbidity of the variation of flow of inlet water and raw water.In the present embodiment, coagulant is polymerization chlorine
Change aluminium PAC, flocculant is polyacrylamide PAM.
The design waste treatment capacity of the present apparatus is shown in Table 1；The composite waste mean flow of handled waste water in the present embodiment
Amount is 2400m3/ d, wherein raw wool thaw shower water average flow rate 200m3/ d, raw wool clean waste water average flow rate 600m3/ d, essence
Hair cleaning waste water average flow rate 1600m3/d.Design influent quality is shown in Table 2 and table 3, and wherein table 2 is the design water inlet of each unit waste water
Water quality, table 3 are the design water quality after pond adjusting after the adjustment；In the present embodiment, each unit influent waste water concentration meets table 2 and wants
It asks, the water quality after pond is adjusted uniformly after the adjustment is CODcr1750mg/L, BOD5480mg/L, SS 475mg/L, NH3-N25mg/
L, TN 37mg/L, TP 3mg/L, LAS 5mg/L, vegetable and animals oils 10mg/L.
Table 1 designs waste treatment capacity
| Project | Raw wool thaws shower water | Raw wool cleans waste water | Smart hair cleans waste water | Composite waste |
| Maximum stream flow (m3/d) | 200 | 800 | 2000 | 3000 |
| Average flow rate (m3/d) | 200 | 700 | 1700 | 2600 |
| Run time (hr/d) | 24 | 24 | 24 | 24 |
2 each unit waste water of table designs influent concentration
Wherein：Serial number 1 is that raw wool thaws shower water, and serial number 2 is that raw wool cleans waste water, and serial number 3 is that smart hair cleans waste water
Table 3 after the adjustment pond adjust uniformly after design water quality
Waste water after the final process of the present embodiment meets《Natural feather industrial water pollution object discharge standard》GB 21901-2008
In discharge standard, relevant water quality index is shown in Table 4, and the water quality of handled obtained water complies fully with wanting for natural feather washing production
It asks, can directly carry out reuse.
The water quality of 4 processed waste water of table
Claims (10)
1. a kind of Feather and down industry wastewater treatment equipment, which is characterized in that including sequentially connected filter device, meat food processing pond,
Air-dissolving air-float pond, anoxic biochemistry pool, anaerobic biological pond, aerobic biochemical pool, secondary settling tank, contact-oxidation pool, final deposition pool, sand filtration dress
Set, chlorination equipment and clear water reserviors, the mud discharging mouth in the air-dissolving air-float pond, secondary settling tank and final deposition pool respectively with the sludge concentration tank
The mud discharging mouth of connection, the secondary settling tank and final deposition pool is connect with the anoxic biochemistry pool, the contact-oxidation pool and the anaerobism
Biochemistry pool connects.
2. Feather and down industry wastewater treatment equipment according to claim 1, which is characterized in that the sieve screen apertures of the filter device
Diameter is 1~3mm.
3. Feather and down industry wastewater treatment equipment according to claim 1, which is characterized in that meat food processing pond bottom of pond is set
There is boring aeration pipe to carry out preaeration to waste water.
4. Feather and down industry wastewater treatment equipment according to claim 1, which is characterized in that be equipped in the contact-oxidation pool
Filler, filler are submerged by water, and filler bottom is equipped with the air blower for aeration aerating.
5. Feather and down industry wastewater treatment equipment according to claim 1, which is characterized in that the sand filtering device is automatic anti-
Rinse continuous sandfiltration pot.
6. application of the wastewater treatment equipment according to any one of claims 1 to 5 in Feather and down industry wastewater treatment.
7. the application of Feather and down industry wastewater treatment equipment according to claim 6, which is characterized in that by Feather and down industry waste water
Enter meat food processing pond after filtering and carries out preaeration；Waste water after preaeration is discharged into air-dissolving air-float pond, suspend in waste water
The separation of object；Waste water after air-dissolving air-float pond detaches enters anoxic biochemistry pool, is carried out to nitrate nitrogen and organic pollution anti-
Nitration reaction；The water outlet of anoxic biochemistry pool enters anaerobic biological pond, by anaerobe to the bulky grain organic contamination in waste water
Object and persistent organic pollutants carry out anaerobic degradation；The water outlet of anaerobic biological pond enters aerobic biochemical pool, utilizes aerobic microbiological
Oxygenolysis is carried out to the organic matter in waste water；Aerobic biochemical pool water outlet, which enters secondary settling tank, makes sludge and water detach；Secondary settling tank point
It separates out the water come and enters contact-oxidation pool, carry out fully oxidized；Contact-oxidation pool water outlet, which enters final deposition pool, makes sludge and water detach；
The water that final deposition pool is separated carries out sand filtration, disinfection, and water outlet carries out discharge or reuse after reaching professional standard；
Wherein, by the activity sludge reflux of secondary settling tank and final deposition pool to anoxic biochemistry pool, the mixed liquor in contact-oxidation pool is returned
It flow to anaerobic biological pond；The extra sludge isolated in the dross isolated in air-dissolving air-float pond and secondary settling tank, final deposition pool is arranged
Enter sludge concentration tank.
8. the application of Feather and down industry wastewater treatment equipment according to claim 7, which is characterized in that give up in air-dissolving air-float pond
The separation method of suspended matter is in water：Coagulant and flocculant are added into the waste water for entering air-dissolving air-float pond, and carries out abundant
It is stirred to react；The coagulant is aluminium polychloride, and the flocculant is polyacrylamide.
9. the application of Feather and down industry wastewater treatment equipment according to claim 7, which is characterized in that the waste water is in pre-exposure
Residence time in regulating reservoir is 3~6h, and the residence time in air-dissolving air-float pond is 0.5~2.5h, in anoxic biochemistry pool
Residence time be 3~6h, residence time in anaerobic biological pond is 3~5h, and the residence time in aerobic biochemical pool is 8
~12h, the residence time in contact-oxidation pool are 3~5h.
10. the application of Feather and down industry wastewater treatment equipment according to claim 7, which is characterized in that through meat food processing pond
Waste water quality after adjusting is CODcr≤ 1800mg/L, BOD5≤ 500mg/L, SS≤500mg/L, NH3- N≤30mg/L, TN≤
40mg/L, TP≤3mg/L, LAS≤5mg/L, vegetable and animals oils≤10mg/L.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113666567A (en) * | 2020-05-13 | 2021-11-19 | 宣城明佳羽绒有限公司 | Wastewater treatment system for feather and down feather processing line |
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Application publication date: 20181113 |