CN106116031A - A kind of efficient treatment process of slaughtering wastewater - Google Patents

A kind of efficient treatment process of slaughtering wastewater Download PDF

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Publication number
CN106116031A
CN106116031A CN201610601734.4A CN201610601734A CN106116031A CN 106116031 A CN106116031 A CN 106116031A CN 201610601734 A CN201610601734 A CN 201610601734A CN 106116031 A CN106116031 A CN 106116031A
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China
Prior art keywords
tank
waste water
pond
sludge
sewage
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CN201610601734.4A
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Chinese (zh)
Inventor
王文毓
肖永兵
杨本寿
周小燕
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Yunnan Zhu Yuan Ingegneria Ambientale Srl
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Yunnan Zhu Yuan Ingegneria Ambientale Srl
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Priority to CN201610601734.4A priority Critical patent/CN106116031A/en
Publication of CN106116031A publication Critical patent/CN106116031A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes

Abstract

The invention discloses the efficient treatment process of a kind of slaughtering wastewater, including: sewage is passed through successively grid, screw extruding type solid-liquid separator, oil interceptor, regulating reservoir, flat flow air supporting sedimentation tank, hydrolysis acidification pool, Anoxic/Aerobic pond, coagulative precipitation tank, biofiltration tank, multi-medium filtering tank and sterilization pool, finally stores standby in clear water reserviors.By improving existing sewage treatment process, increase biofiltration tank and multi-medium filtering tank, Organic substance and the small float of residual in sewage are removed thoroughly, improves the clean-up effect of sewage.

Description

A kind of efficient treatment process of slaughtering wastewater
Technical field
The invention belongs to technical field of sewage, the efficient treatment process of a kind of slaughtering wastewater.
Background technology
A number of waste water can be produced, essentially from cleaning, disintegrate flushing, interior after butchering in the slaughtering process of domestic animal Dirty cleaning, ground flushing and excrement and urine water etc..Containing substantial amounts of organic matter in this type of waste water, main component has: animal wastes, blood The Organic substances such as liquid, internal organs foreign material, poultry hair, onal meat and oils and fats, belong to high concentrated organic wastewater.Waste water is maroon, has relatively Strong bad smell.Fat in waste water, protein, etc. material without process, being directly discharged into water body will cause seriously water body Eutrophication, the self-purification capacity of heavy damage water body, make water body blackout foul, affect environment and agricultural irrigation.Meat product adds Factory is in order to normally produce and sustainable development, and protection surrounding water is clean and environment is the most contaminated, needs at slaughtering wastewater Discharge again after reason.
The water quality of slaughtering wastewater is as shown in the table:
pH Phosphate (P) CODCr BOD5 SS NH3-N Total coli group≤ Vegetable and animals oils
6-9 18-20mg/ L 4000 mg/L 2000mg/L 1500mg/L 60mg/L 36*1012Individual/100mL 300mg/L
Existing slaughterhouse wastewater treatment system refer to Application No. 201410554766.4, entitled a kind of slaughterhouse wastewater treatment The application for a patent for invention of equipment, its processing procedure is: first waste water removed big particulate matter entrance through machinery lattice cupboard and catchmented Pond, waste water is pumped into oil removal regulating reservoir as promoting pump sump by collecting-tank, removes oils and fats, precipitates the impurity such as feces simultaneously, certainly flow to Enter regulating reservoir and carry out the regulation of the water yield, water quality, be then pumped into air-flotation system, remove the Organic substance of oil-containing, air supporting water outlet further Enter Buffer Pool, be lifted into hydrolysis system, larger molecular organics of degrading, gravity flow enters main biochemical technique A-O system, Here carry out organic degraded, the nitrification-denitrification of ammonia nitrogen, precipitate post processing water qualified discharge, oil removal, gas through two sedimentation tanks The floating scum silica frost produced is collected separately or enters sludge concentration tank, and the mud that A-O, sedimentation tank, hydrolytic tank produce enters sludge condensation Pond concentrates, and concentration basin filtrate, dewaterer filtrate return to sump and processes further.This system is silent on concrete technique, It is difficult to ensure that the effect of sewage disposal.
Summary of the invention
It is an object of the invention to provide the efficient treatment process of a kind of slaughtering wastewater, to existing slaughterhouse wastewater treatment work Skill improves, thus improves the effect of sewage disposal.
The object of the present invention is achieved like this: the efficient treatment process of a kind of slaughtering wastewater, including: sewage is led to successively Enter
Grid, for removing the bigger float of the volume in waste water and floating thing;
Screw extruding type solid-liquid separator, filters waste water extruding, removes the float of small volume in waste water;
Oil interceptor, blood stains and oils and fats that density is less float over waste water top layer, thus separate with waste water;
Regulating reservoir, adjusts wastewater effluent amount, makes waste water whole day homogenizing all measure ground water outlet;
Flat flow air supporting sedimentation tank, utilizes aerator aeration in pond, and adds diatomite built agent, and addition is 7.5 mg/m3To 8.5mg/m3, the SS in sewage is adsorbed and flocculation by diatomite built agent, and partly precipitated, at the bottom of pond, is arranged by dredge pump To sludge-tank, the bubble floating that part produces with aeration forms scum silica frost to sewage surface, scrapes scum silica frost to sludge-tank, thus remove The SS of more than 90% in waste water;
Hydrolysis acidification pool, adds hydrolysis bacterium and acidifying bacterium in pond, and addition is 1000g/m3, the time of staying of waste water is 4h, The mode using pulsing jet stirs sewage, hydrolysis bacterium and acidifying bacterium and the larger molecular organics in sewage is converted into microorganism energy The small organic molecule of enough Direct Resolution, the mud of generation sinks at the bottom of pond, and drains into sludge-tank by dredge pump;
Anaerobic-aerobic pond, in anoxic pond, controls useless oxygen in water less than 0.5mg/L, and temperature is 20 to 35 DEG C, PH be 7 with On, in anoxic pond, add anaerobe, become nitrogen to enter air in nitrate and nitrate reductase, utilize Anaerobe simultaneously Process the acid process in course of reaction, macromole fused ring compound is resolved into low molecule organic matter, it is simple to aerobic microbiological More preferably decomposing, the sewage time of staying in anoxic pond is 57 to 62h;In Aerobic Pond, in waste water, add Na2CO3, PH is adjusted To 8.0~8.4, utilizing aerator at pond base fabric gas, gas-water ratio is 20:1;Add activated sludge, by NH in waste water3N aoxidizes For NO3-Organic substance in N, and waste water is by activated sludge absorption, oxidation Decomposition and is partially converted into new microbial bacteria micelle, Superfluous mud enters sludge-tank, and waste water is 11 to 13h in the time of staying of Aerobic Pond, then is back to anoxic pond, and reflux ratio is 100~400%;
Coagulative precipitation tank, adds polyaluminium chloride, and addition is 6mg/m3, colloid and fine suspension in waste water are condensed into flocculation Body is also precipitated at the bottom of pond, and floccule body drains into sludge-tank by dirty pump, thus reduces colourity and the COD of waste water, reduces ammonia nitrogen and phosphorus Content;
Biofiltration tank, utilizes microorganism that the Organic substance in waste water is decomposed into water, CO2And nitrogen;
Multi-medium filtering tank, adds thickness two-stage quartz sand, river sand and activated carbon and removes small float and colourity;
Sterilization pool, adds sodium dichloro cyanurate sterilization, and addition is 15-20mg/m3
Clear water reserviors, store standby.
Further, described sludge-tank includes the first sludge-tank and the second sludge-tank, described flat flow air supporting sedimentation tank and Mud in hydrolysis acidification pool enters the first sludge-tank, and the mud in the first sludge-tank is after filter pressing, and filtrate is delivered to oil removal Pond;Mud in described coagulative precipitation tank and Aerobic Pond enters the second sludge-tank, the mud in the second sludge-tank after filter pressing, Filtrate is delivered to anoxic pond.
Further, described grid includes coarse grid and thin grid, and the grid gap of coarse grid is 5mm, and the grid gap of thin grid is 3mm, waste water first passes through coarse grid, then by thin grid.
Further, in sterilization pool, the addition of sodium dichloro cyanurate is 18 mg/m3, and sodium dichloro cyanurate is logical Cross addition sterilization pool after dosing pump precisely measures.
Further, waste water enters clear water reserviors among sterilization pool after ultraviolet sterilization again.
Further, in flat flow air supporting sedimentation tank, the addition of diatomite built agent is 8 mg/m3
Further, the sewage time of staying in anoxic pond is 59.2h, and the time of staying in Aerobic Pond is 12h.
The invention has the beneficial effects as follows: by improving existing sewage treatment process, increase biofiltration tank and multimedium Filtering tank, removes thoroughly to Organic substance and the small float of residual in sewage, improves the clean-up effect of sewage.
Accompanying drawing explanation
Fig. 1 is the process chart of slaughtering wastewater of the present invention.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, the efficient treatment process of a kind of slaughtering wastewater of the present invention, including: sewage is passed through successively
Grid, for removing the bigger float of the volume in waste water and floating thing, such as the animal wastes of bulk, clot, internal organs Foreign material, poultry hair, onal meat etc..
Screw extruding type solid-liquid separator, filters waste water extruding, removes the float of small volume in waste water.Spiral squeezes Pressure type solid-liquid separating machine can use prior art, and the grid such as thinner animal wastes, internal organs foreign material, onal meat, silt cannot be filtered Fall, therefore use screw extruding type solid-liquid separator to filter removing further, make the most remaining small float in waste water SS, SS are the abbreviations during Study of Water Environment is administered to float.
Oil interceptor, blood stains and oils and fats that density is less float over waste water top layer, thus separate with waste water.
Regulating reservoir, kills field because the factor of working time, and waste water is concentrated mainly on discharge at night, it is therefore necessary to arrange one Individual bigger regulating reservoir carrys out the regulating water quality water yield, makes waste water whole day homogenizing all measure ground water outlet, to ensure the normal fortune of whole set of installation OK, the impact load that follow-up facility is brought is alleviated.
Flat flow air supporting sedimentation tank, utilizes aerator aeration in pond, and adds diatomite built agent, and addition is 7.5 mg/m3To 8.5mg/m3, the SS in sewage is adsorbed and flocculation by diatomite built agent, and partly precipitated is at the bottom of pond, by blowdown Pump drains into sludge-tank, and the bubble floating that part produces with aeration forms scum silica frost to sewage surface, scrapes scum silica frost to sludge-tank, thus Remove the SS of more than 90% in waste water.Diatomite built agent refer to diatomite and other flocculant such as aluminium polychlorid etc. by The new flocculant that proportions obtains, has the advantage such as enhanced coagulation, fast, the good purification of flocculation, it is possible to remove the biggest portion The ss suspended solid divided, makes sewage become limpid.Scum silica frost preferably employs automatic Slag Scraping Device and clears up.
Hydrolysis acidification pool, adds hydrolysis bacterium and acidifying bacterium in pond, and addition is 1000g/m3, the time of staying of waste water is 4h, uses the mode of pulsing jet to stir sewage, hydrolysis bacterium and acidifying bacterium and the larger molecular organics in sewage is converted into micro-life Thing can the small organic molecule of Direct Resolution, the mud of generation sinks at the bottom of pond, and drains into sludge-tank by dredge pump.Hydrolysis bacterium With acidifying bacterium generally anaerobe or the double bacterium that itches, through hydrolyzing, ferment, produce acetic acid and methane phase four-stage, macromole is had Machine thing decomposes, in order to subsequent treatment.
Anaerobic-aerobic pond, in anoxic pond, controls useless oxygen in water and is less than 0.5mg/L, and temperature is 20 to 35 DEG C, and PH is 7 Above, in anoxic pond, add anaerobe, become nitrogen to enter air in nitrate and nitrate reductase, utilize anaerobism raw simultaneously Thing processes the acid process in course of reaction, macromole fused ring compound is resolved into low molecule organic matter, it is simple to aerobic micro-life Thing more preferably decomposes, and the sewage time of staying in anoxic pond is 57 to 62h;In Aerobic Pond, in waste water, add Na2CO3, by PH Being adjusted to 8.0~8.4, utilize aerator at pond base fabric gas, gas-water ratio is 20:1;Add activated sludge, by NH in waste water3N oxygen Turn to NO3-Organic substance in N, and waste water is by activated sludge absorption, oxidation Decomposition and is partially converted into new microbial bacteria glue Group, superfluous mud enters sludge-tank, and waste water is 11 to 13h in the time of staying of Aerobic Pond, then is back to anoxic pond, reflux ratio It is 100~400%.Sewage circulates in anaerobic-aerobic pond, and the Organic substance in sewage is decomposed by the microorganisms as water, titanium dioxide Carbon etc., carry out nitrification and denitrification reaction simultaneously, thus remove NH3—N.After anaerobic-aerobic pond, having of the overwhelming majority Machine thing and ammonia nitrogen are removed.
Coagulative precipitation tank, adds polyaluminium chloride, and addition is 6mg/m3, colloid and fine suspension in waste water are condensed into Floccule body is also precipitated at the bottom of pond, and floccule body drains into sludge-tank by dirty pump, thus reduces colourity and the COD of waste water, reduces ammonia nitrogen With the content of phosphorus, sewage is evolved further.COD represents COD.
Biofiltration tank, utilizes microorganism that the Organic substance in waste water is decomposed into water, CO2And nitrogen.In biofiltration tank Porous aggregate surface be coated with biomembrane, when waste water flows through packed bed, by diffusion process, pollutant component is delivered to biology Film, pollutant component contacts with the microbial in film and biochemical reaction occurs, and pollutant are decomposed.
Multi-medium filtering tank, adds thickness two-stage quartz sand, river sand and activated carbon and removes small float and colourity.
Sterilization pool, adds sodium dichloro cyanurate sterilization, and addition is 15-20mg/m3
Clear water reserviors, store standby.
Containing contaminated liquid in the mud of each stage emission, in order to these contaminated liquid are processed, reclaim mud simultaneously, Described sludge-tank includes the first sludge-tank and the second sludge-tank, the mud in described flat flow air supporting sedimentation tank and hydrolysis acidification pool Entering the first sludge-tank, the mud in the first sludge-tank is after filter pressing, and filtrate is delivered to oil interceptor;Described coagulative precipitation tank and Mud in Aerobic Pond enters the second sludge-tank, and the mud in the second sludge-tank is after filter pressing, and filtrate is delivered to anoxic pond.
In order to strengthen filter effect, described grid includes coarse grid and thin grid, and the grid gap of coarse grid is 5mm, thin grid Grid gap be 3mm, waste water first passes through coarse grid, then by thin grid.
In order to prevent chlorine residue in water from exceeding standard while ensureing disinfection effect, in sterilization pool, sodium dichloro cyanurate Addition is 18 mg/m3, and sodium dichloro cyanurate by dosing pump precisely measure after add sterilization pool.
In order to kill escherichia coli fully, waste water enters clear water reserviors among sterilization pool after ultraviolet sterilization again.This Outward, ultraviolet also has the effect removing chlorine residue.
Preferably, in flat flow air supporting sedimentation tank, the addition of diatomite built agent is 8 mg/m3
Preferably, the sewage time of staying in anoxic pond is 59.2h, and the time of staying in Aerobic Pond is 12h.
Embodiment
The waste water of certain slaughterhouse generation every day is 500m3, design Sewage Disposal disposal ability is 500m every day3, according to dirt Water emission equivalent, native system is by running design in 20 hours every day, and sewage load hourly is 25 m3, the water quality feelings of sewage Condition is:
pH Phosphate (P) CODCr BOD5 SS NH3-N Total coli group≤ Vegetable and animals oils
6-9 18-20mg/ L 4000 mg/L 2000mg/L 1500mg/L 60mg/L 36*1012Individual/100mL 300mg/L
Processing procedure is: be passed through successively by sewage
Grid gap is the coarse grid of 5mm and thin grid that grid gap is 3mm;
Screw extruding type solid-liquid separator, carries out extruding and filters waste water;
Oil interceptor, uses brick mix structure, and dischargeable capacity is 50m3, isolate blood stains and oils and fats;
Regulating reservoir, uses steel and concrete structure, and dischargeable capacity is 300m3, when inflow is less than 25m3During/h, not water-retention in regulating reservoir; When inflow is more than 25m3During/h, the water yield of regulating reservoir remains 25m3/ h, remaining sewage stores within regulating reservoir, waits to gush The water yield hour continues with;
Flat flow air supporting sedimentation tank, uses rubble+steel and concrete structure, utilizes aerator aeration in pond, and it is multiple to add diatomite Ingredients, addition is 8mg/m3, the SS in sewage is adsorbed and flocculation by diatomite built agent, and partly precipitated is at the bottom of pond, by arranging Dirty pump drains into sludge-tank, and the bubble floating that part produces with aeration forms scum silica frost to sewage surface, scrapes scum silica frost to the first mud Pond;
Hydrolysis acidification pool, uses steel and concrete structure, and dischargeable capacity is 150m3, in pond, adding hydrolysis bacterium and acidifying bacterium, addition is 1000g/m3, the time of staying of waste water is 4h, uses the mode of pulsing jet to stir sewage, hydrolysis bacterium and acidifying bacterium by sewage Larger molecular organics be converted into microorganism can the small organic molecule of Direct Resolution, the mud of generation sinks at the bottom of pond, and leads to Crossing dredge pump and drain into the first sludge-tank, the mud in the first sludge-tank is after filter pressing, and filtrate is delivered to oil interceptor;
Anaerobic-aerobic pond, anoxic pond uses steel and concrete structure, and dischargeable capacity is 1480m3, control useless oxygen in water and be less than 0.5mg/L, temperature is 30 DEG C, and PH is 7~7.5, adds anaerobe, nitrate and nitrate reductase are become nitrogen in anoxic pond Gas enters air, utilizes the acid process in anaerobic bio-treated course of reaction simultaneously, and macromole fused ring compound is resolved into Low molecule organic matter, it is simple to aerobic microbiological more preferably decomposes, the sewage time of staying in anoxic pond is 59.2h;Aerobic Pond is adopted With steel and concrete structure, dischargeable capacity is 300m3, in waste water, add Na2CO3, PH is adjusted to 8.0~8.4, utilizes aerator in pond Base fabric gas, gas-water ratio is 20:1;Add activated sludge, by NH in waste water3N is oxidized to NO3-Organic substance in N, and waste water By activated sludge absorption, oxidation Decomposition and be partially converted into new microbial bacteria micelle, superfluous mud enters the second sludge-tank, Waste water is 12h in the time of staying of Aerobic Pond, then is back to anoxic pond, and reflux ratio is 300%;
Coagulative precipitation tank, uses rubble+steel and concrete structure, adds polyaluminium chloride, and addition is 6mg/m3, the colloid in waste water is with thin Micro suspension thing is condensed into floccule body and is precipitated at the bottom of pond, and floccule body drains into the second sludge-tank, in the second sludge-tank by dirty pump Mud is after filter pressing, and filtrate is delivered to anoxic pond;
Biofiltration tank, utilizes endophyte and adapts to the carrier of this flora survival and reproduction and organically combine, by waste water Organic substance is decomposed into water, CO2And nitrogen;
Multi-medium filtering tank, adds thickness two-stage quartz sand, river sand and activated carbon and removes small float and colourity;
Sterilization pool, sodium dichloro cyanurate will add sterilization pool after utilizing dosing pump precisely to measure, and addition is 18mg/m3, and Ultraviolet generator is installed in sterilization pool, utilizes ultraviolet to carry out assisting sterilisation sterilization;
Clear water reserviors, use steel and concrete structure, and dischargeable capacity is 50m3, clear water stands 2 hours, stores standby.
Detecting the water in clear water reserviors, result is as follows:
1, COD (CODCr) 18 mg/L
2, five-day BOD (BOD5) 4 mg/L
3, float (SS) 3.5 mg/L
4, vegetable and animals oils 0.2 mg/L
5, petroleum-type 0.1 mg/L
6, anion surfactant 0.2 mg/L
7, total nitrogen 7 mg/L
8, ammonia nitrogen (in terms of N) 2mg/L
9, total phosphorus 0.2 mg/L
10, colourity 14
11, pH value 6.5—7.5
12, total coli group (individual/L)≤ 28
Fully meet the regulation in " urban wastewater treatment firm pollutant emission standard " (GB/18918-2002) one-level A standard.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (7)

1. the efficient treatment process of a slaughtering wastewater, it is characterised in that including: sewage is passed through successively
Grid, for removing the bigger float of the volume in waste water and floating thing;
Screw extruding type solid-liquid separator, filters waste water extruding, removes the float of small volume in waste water;
Oil interceptor, blood stains and oils and fats that density is less float over waste water top layer, thus separate with waste water;
Regulating reservoir, adjusts wastewater effluent amount, makes waste water whole day homogenizing all measure ground water outlet;
Flat flow air supporting sedimentation tank, utilizes aerator aeration in pond, and adds diatomite built agent, and addition is 7.5 mg/m3To 8.5mg/m3, the SS in sewage is adsorbed and flocculation by diatomite built agent, and partly precipitated, at the bottom of pond, is arranged by dredge pump To sludge-tank, the bubble floating that part produces with aeration forms scum silica frost to sewage surface, scrapes scum silica frost to sludge-tank, thus remove The SS of more than 90% in waste water;
Hydrolysis acidification pool, adds hydrolysis bacterium and acidifying bacterium in pond, and addition is 1000g/m3, the time of staying of waste water is 4h, adopts Stirring sewage by the mode of pulsing jet, the larger molecular organics in sewage is converted into microorganism with acidifying bacterium by hydrolysis bacterium can The small organic molecule of Direct Resolution, the mud of generation sinks at the bottom of pond, and drains into sludge-tank by dredge pump;
Anaerobic-aerobic pond, in anoxic pond, controls useless oxygen in water less than 0.5mg/L, and temperature is 20 to 35 DEG C, PH be 7 with On, in anoxic pond, add anaerobe, become nitrogen to enter air in nitrate and nitrate reductase, utilize Anaerobe simultaneously Process the acid process in course of reaction, macromole fused ring compound is resolved into low molecule organic matter, it is simple to aerobic microbiological More preferably decomposing, the sewage time of staying in anoxic pond is 57 to 62h;In Aerobic Pond, in waste water, add Na2CO3, PH is adjusted To 8.0~8.4, utilizing aerator at pond base fabric gas, gas-water ratio is 20:1;Add activated sludge, by NH in waste water3N aoxidizes For NO3-Organic substance in N, and waste water is by activated sludge absorption, oxidation Decomposition and is partially converted into new microbial bacteria micelle, Superfluous mud enters sludge-tank, and waste water is 11 to 13h in the time of staying of Aerobic Pond, then is back to anoxic pond, and reflux ratio is 100~400%;
Coagulative precipitation tank, adds polyaluminium chloride, and addition is 6mg/m3, colloid and fine suspension in waste water are condensed into flocculation Body is also precipitated at the bottom of pond, and floccule body drains into sludge-tank by dirty pump, thus reduces colourity and the COD of waste water, reduces ammonia nitrogen and phosphorus Content;
Biofiltration tank, utilizes microorganism that the Organic substance in waste water is decomposed into water, CO2And nitrogen;
Multi-medium filtering tank, removes small float and colourity;
Sterilization pool, adds sodium dichloro cyanurate sterilization, and addition is 15-20mg/m3
Clear water reserviors, store standby.
The efficient treatment process of a kind of slaughtering wastewater the most according to claim 1, it is characterised in that: described sludge-tank includes First sludge-tank and the second sludge-tank, the mud in described flat flow air supporting sedimentation tank and hydrolysis acidification pool enters the first mud Pond, the mud in the first sludge-tank is after filter pressing, and filtrate is delivered to oil interceptor;Dirt in described coagulative precipitation tank and Aerobic Pond Mud enters the second sludge-tank, and the mud in the second sludge-tank is after filter pressing, and filtrate is delivered to anoxic pond.
The efficient treatment process of a kind of slaughtering wastewater the most according to claim 1 and 2, it is characterised in that: described grid bag Including coarse grid and thin grid, the grid gap of coarse grid is 5mm, and the grid gap of thin grid is 3mm, and waste water first passes through coarse grid, then passes through Thin grid.
The efficient treatment process of a kind of slaughtering wastewater the most according to claim 1, it is characterised in that: in sterilization pool, dichloro The addition of sodium isocyanurate is 18 mg/m3, and sodium dichloro cyanurate by dosing pump precisely measure after add sterilization pool.
The efficient treatment process of a kind of slaughtering wastewater the most according to claim 4, it is characterised in that: waste water sterilization pool it Middle after ultraviolet sterilization, enter clear water reserviors again.
The efficient treatment process of a kind of slaughtering wastewater the most according to claim 1, it is characterised in that: flat flow air supporting precipitates Chi Zhong, the addition of diatomite built agent is 8 mg/m3
The efficient treatment process of a kind of slaughtering wastewater the most according to claim 6, it is characterised in that: sewage is in anoxic pond The time of staying be 59.2h, the time of staying in Aerobic Pond is 12h.
CN201610601734.4A 2016-07-28 2016-07-28 A kind of efficient treatment process of slaughtering wastewater Pending CN106116031A (en)

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CN106745573A (en) * 2017-02-16 2017-05-31 北京高徛陌科技有限公司 Recycled water and application method with bactericidal function
CN106830243A (en) * 2017-02-17 2017-06-13 郭晓辉 Multi-functional diatomite coagulation air-float integration apparatus
CN108094571A (en) * 2017-11-23 2018-06-01 洪雅县和鑫农业科技发展有限公司 A kind of Chinese prickly ash active water production technology
CN108178420A (en) * 2017-11-28 2018-06-19 扬州工业职业技术学院 A kind of sewage water treatment method
CN108658376A (en) * 2018-05-21 2018-10-16 湖北创力药业有限公司 A kind of sewage disposal system and its processing method for pharmaceuticals industry waste water
CN108689550A (en) * 2018-05-21 2018-10-23 李亮亮 A kind of processing method of slaughterhouse sewage
CN108793649A (en) * 2018-09-13 2018-11-13 江苏开放大学(江苏城市职业学院) A kind of meat processing waste water processing unit and method
CN109133538A (en) * 2018-10-12 2019-01-04 河南恒安环保科技有限公司 A kind of slaughterhouse wastewater treatment method
CN109502886A (en) * 2018-11-21 2019-03-22 山西大学 A kind for the treatment of process of meat products processing waste water
CN110902959A (en) * 2019-12-09 2020-03-24 上海净屹环保科技有限公司 Treatment method of meat product unfreezing wastewater
CN111410379A (en) * 2020-04-30 2020-07-14 江苏华淼生态科技有限公司 Efficient phosphorus removal method for domestic sewage
CN112047583A (en) * 2020-09-27 2020-12-08 云南今业生态建设集团有限公司 Slaughterhouse sewage treatment process
CN112979096A (en) * 2021-03-29 2021-06-18 福州科力恩生物科技有限公司 Slaughterhouse sewage treatment method based on photosynthetic microorganisms
WO2021243733A1 (en) * 2020-06-05 2021-12-09 南京德壹环境科技发展有限公司 Sewage treatment apparatus with solid-liquid separation, and separation method thereof
CN114702204A (en) * 2022-04-12 2022-07-05 漳州职业技术学院 Aquatic industrial wastewater treatment method and treatment system thereof

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106745573A (en) * 2017-02-16 2017-05-31 北京高徛陌科技有限公司 Recycled water and application method with bactericidal function
CN106830243A (en) * 2017-02-17 2017-06-13 郭晓辉 Multi-functional diatomite coagulation air-float integration apparatus
CN108094571A (en) * 2017-11-23 2018-06-01 洪雅县和鑫农业科技发展有限公司 A kind of Chinese prickly ash active water production technology
CN108178420A (en) * 2017-11-28 2018-06-19 扬州工业职业技术学院 A kind of sewage water treatment method
CN108658376A (en) * 2018-05-21 2018-10-16 湖北创力药业有限公司 A kind of sewage disposal system and its processing method for pharmaceuticals industry waste water
CN108689550A (en) * 2018-05-21 2018-10-23 李亮亮 A kind of processing method of slaughterhouse sewage
CN108793649A (en) * 2018-09-13 2018-11-13 江苏开放大学(江苏城市职业学院) A kind of meat processing waste water processing unit and method
CN109133538A (en) * 2018-10-12 2019-01-04 河南恒安环保科技有限公司 A kind of slaughterhouse wastewater treatment method
CN109502886A (en) * 2018-11-21 2019-03-22 山西大学 A kind for the treatment of process of meat products processing waste water
CN110902959A (en) * 2019-12-09 2020-03-24 上海净屹环保科技有限公司 Treatment method of meat product unfreezing wastewater
CN111410379A (en) * 2020-04-30 2020-07-14 江苏华淼生态科技有限公司 Efficient phosphorus removal method for domestic sewage
WO2021243733A1 (en) * 2020-06-05 2021-12-09 南京德壹环境科技发展有限公司 Sewage treatment apparatus with solid-liquid separation, and separation method thereof
CN112047583A (en) * 2020-09-27 2020-12-08 云南今业生态建设集团有限公司 Slaughterhouse sewage treatment process
CN112979096A (en) * 2021-03-29 2021-06-18 福州科力恩生物科技有限公司 Slaughterhouse sewage treatment method based on photosynthetic microorganisms
CN114702204A (en) * 2022-04-12 2022-07-05 漳州职业技术学院 Aquatic industrial wastewater treatment method and treatment system thereof

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