CN107324618A - The system and method for the Qinghai-Tibet cold and oxygen deficient slaughtering wastewater of processing - Google Patents
The system and method for the Qinghai-Tibet cold and oxygen deficient slaughtering wastewater of processing Download PDFInfo
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- CN107324618A CN107324618A CN201710785245.3A CN201710785245A CN107324618A CN 107324618 A CN107324618 A CN 107324618A CN 201710785245 A CN201710785245 A CN 201710785245A CN 107324618 A CN107324618 A CN 107324618A
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- 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
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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- 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
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- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a kind of system and method for handling Qinghai-Tibet cold and oxygen deficient slaughtering wastewater, including：Slaughtering wastewater is delivered into the slaughtering wastewater pretreatment unit in greenhouse system to connect with lower water temperature pond；Then solar energy humidity control system and earth source heat pump humidity control system heating slaughtering wastewater are controlled by control system, the slaughtering wastewater after will heat up is delivered to artificial wet land system after supporting and carries out ecological waste water processing.The present invention passes through greenhouse system combination solar energy humidity control system and earth source heat pump humidity control system, realize the heating to Qinghai-Tibet low temperature slaughtering wastewater, and input artificial wet land system after the waste water oxygen supply after will heat up, slaughtering wastewater is comprehensively handled, pass through nitrogen phosphorus adsorption layer, organic matter purifying layer, heavy metal adsorption layer, make after wastewater treatment that nitrogen, phosphorus, heavy metal, organic matter equal size significantly lower in water outlet, solve the problem of nitrogen in slaughtering wastewater, phosphorus, heavy metal, feeding organic matter etc. are exceeded.
Description
Technical field
The present invention relates to a kind of system and method for handling slaughtering wastewater, and in particular to the Qinghai-Tibet cold and oxygen deficient of processing is slaughtered
Kill the system and processing method of waste water.
Background technology
Scale slaughterhouse fecal sewage belongs to high concentrated organic wastewater.These pollutants only have 20% to pass through innoxious place
Reason, treatment facility is not polluted in most slaughterhouses.There are many slaughterhouses that fecal sewage is directly discharged into water channel or pond, it is few
Part of contaminated water is used for agricultural irrigation, and a part permeates the ground, and most of sewage then pours river course in flood season with rainwater, serious dirty
Surface and ground water is contaminated, agriculture and animal husbandry community and Qinghai-Tibet water environment degradation is caused.
One of slaughtering wastewater biochemical processing difficult point is exactly that content of organics is high, and it is very strong that slaughtering wastewater belongs to biodegradability
Organic wastewater, in actual production, big-and-middle-sized slaughterhouse water amount is very big, CODcr in water outlet, BOD, TSS and a huge sum of money after processing
Belong to equal size higher, it is impossible to qualified discharge.The two of slaughtering wastewater biochemical processing difficult point are N, P content height, using conventional place
Reason mode is difficult to eliminate, and N, P in waste water are exactly to cause body eutrophication and surface water, groundwater azotate pollution
Root, therefore N, P problem in slaughtering wastewater are more more prominent than organic matter.The three of slaughtering wastewater biochemical processing difficult point are
The a large amount of veterinary drug compositions needed to use containing the heavy metal from feed addictive and because of epidemic prevention.Although advocating the recycling of waste water
Utilize, but consider the security and Toxic of food with food chain amplification, and long-term directly field irrigation medicine step by step
The enrichment accumulation such as thing, additive, heavy metal.Slaughtering wastewater without ecology processing can not directly irrigated farmland, the cultivation of fishing class
Or Treated sewage reusing, recycling recycles level extremely low after wastewater treatment.
Artificial Wetland Techniques are combined and produced by sand filter bed and plant originating from Europe, the artificial swamp of early stage.Due to
The combination of plant root and sand filter bed is fine to wastewater treatment efficiency, therefore also referred to as root area method, and it is existing to be developing progressively later
In ripe artificial swamp, including surface flow artificial marshland, horizontal drowned flow artificial wet land and vertical subsurface flow wetland, artificial swamp
Not only early in American-European Large scale construction, also it is widely used in China in recent years.Artificial swamp is a kind of similar with marshland
By the synthesis ecosystem manually building and control, when sewage flows through artificial swamp, by the place of plant, soil and microorganism
Reason is purified.Its principle is the ecosystem constituted using the Institute of Micro-biology adhered on soil, the water plant of cultivation and filler
System absorbs and decomposed the organic carbon pollutant in sewage and the auxotype pollutant containing nitrogen, phosphorus.It has high treating effect, fortune
Turn maintenance management convenient, engineering capital construction and the low feature of running expense, be widely used in agriculture point source and pollution of area source and
Body eutrophication issue handling, preserves the ecological environment.
Artificial wet land system is applied to butcher the processing of low concentration wastewater, can to the nitrogen in waste water, phosphorus, heavy metal,
Feeding organic matter etc. realizes certain treatment effect；But under Qinghai-Tibet cold and oxygen deficient environment, winter cold is very long, gas
Temperature, ground temperature cause inefficiency due to cold and oxygen deficient than relatively low using artificial wet land system.
The content of the invention
It is an object of the invention to solve at least the above and/or defect, and provide at least will be described later excellent
Point.
Butchered to realize according to object of the present invention and further advantage there is provided a kind of Qinghai-Tibet cold and oxygen deficient
Waste Water Treatment, including：
Greenhouse system；
Slaughtering wastewater pretreatment unit, it is arranged in greenhouse system, is set in the slaughtering wastewater pretreatment unit
It is equipped with gravel packing；The first suction pump, the outlet conduit of the slaughtering wastewater pretreatment unit are connected on the outlet conduit
Connected with lower water temperature pond；Temperature sensor is provided with the lower water temperature pond；
Solar energy humidity control system, it includes：The solar thermal collector that is arranged at the top of greenhouse system and with too
The heat exchanger that positive energy heat collector is connected by heat exchange pipeline；First circulation water pump, the first valve are provided with the heat exchange pipeline
And heat-exchanging water tank；The heat exchanger is arranged in lower water temperature pond；
Earth source heat pump humidity control system, it includes：Ground-source heat pump host, its by circulating line respectively with underground pipe and
It is arranged on the heat exchanger tube connection in lower water temperature pond；The second valve and second circulation water pump are provided with the circulating line；
Artificial wet land system, it is arranged in greenhouse system, and the water inlet of the artificial wet land system passes through second
Suction pump is connected with the delivery port in lower water temperature pond；It is provided with the connecting line in artificial wet land system and the lower water temperature pond
Apparatus of oxygen supply；
Control system, its respectively with the temperature sensor, first circulation water pump, second circulation water pump, the first valve,
Two valves, ground-source heat pump host connection；
Wherein, the bottom of the artificial wet land system be impervious barrier, be successively thereon gravel collection water layer, nitrogen phosphorus adsorption layer,
Organic matter purifying layer, heavy metal adsorption layer, plantation layer；Plantation wetland plant in the plantation layer；The artificial wet land system
Water inlet sets and is evenly distributed with apopore on the water distributor towards plantation layer, the water distributor；The water distributor will butcher low
Concentration waste water is delivered to plantation layer；Lay perforated drain pipe in the inside of the gravel collection water layer；It is uniform on the perforated drain pipe
It is provided with osculum；One end of the perforated drain pipe, which is stretched out after gravel collection water layer will be handled through wet land system, butchers low concentration
Waste water is discharged；
Wherein, the nitrogen phosphorus adsorption layer includes the raw material mixing composition of following parts by weight：30~50 parts of furfural dregs, 20~30
Part powdered rice hulls, 10~20 parts of zeolites, 10~15 parts of attapulgites；
The organic matter purifying layer is montmorillonite；The particle diameter of the montmorillonite is 5~8mm；
The heavy metal adsorption layer includes the raw material of following parts by weight：20~30 parts of biogas residues, 5~10 parts of fertile soil, 3~5
Part biological carbon, 3~5 parts of diatomite, 3~5 parts of sodium lignin sulfonates.
Preferably, the ratio of the thickness of the thickness of the plantation layer and organic matter purifying layer is 1:1.5~3；It is described to have
The ratio of the thickness of machine thing purifying layer and the thickness of nitrogen phosphorus adsorption layer is 1:1~2；The thickness of the gravel collection water layer and plantation layer
Thickness ratio be 1.5~2.5:1, the ratio of thickness of the heavy metal adsorption layer with planting layer is 1~2:1；Gravel collection
Water layer cobble-stone particle diameter is 5~10mm.
Preferably, the particle diameter of furfural dregs is that 3~5mm, the particle diameter of powdered rice hulls are 3~5mm, boiling in the nitrogen phosphorus adsorption layer
The particle diameter of stone is that 4~6mm, the particle diameter of attapulgite are 3~5mm.
Preferably, the preparation method of the heavy metal adsorption layer is：By weight, take 20~30 parts of biogas residues, 5~10 parts
Fertile soil, 3~5 parts of biological carbons, 3~5 parts of diatomite, 3~5 parts of sodium lignin sulfonates, 80~120 parts of addition stainless steel balls of hot water
Describe in device, spherical container is placed on four axle bevellers, open four axle bevellers, drive stainless steel spherical container randomly to rotate
30~60min, then directly dries reacted mixed liquor, crushes, and obtains constituting the powder of heavy metal adsorption layer；It is described not
The charging aperture of rust steel ball shape container is sealed by threaded cap, and the surface that threaded cap is tightly connected afterwards with stainless steel spherical container is neat
It is flat.
Preferably, the active rotating speed of the four axles beveller be 100~150rpm, stochastic transition frequency be 30~
60s。
Preferably, the biogas residue replaces with modified biogas residue, and its preparation method is：By weight, by 30~60 parts of biogas residues
100~120 parts of mass fractions are added in 30~50% sodium hydroxide solution, to stir 30~90min, filtering obtains pre- place
Manage biogas residue；By weight, 20~25 parts of biogas residue of pretreatment, methyl methacrylate 20~25 are added in supercritical reaction apparatus
Part, 3~5 parts of styrene, 1~3 part of allylthiourea, 0.05~0.1 part of persalt ammonium, 120~150 parts of water, stir, so
System is sealed afterwards, is passed through under conditions of carbon dioxide to 35~45MPa, 60~75 DEG C of temperature and reacts 2~5 hours, release, so
Ethanol precipitation is used afterwards, is dried, and is eluted with acetone and is removed the homopolymer that dereaction is produced, obtains being modified biogas residue.
Preferably, the attapulgite replaces with attapulgite modified, and its preparation method is：By attapulgite and concentration
For 1mol/L mixed in hydrochloric acid, acid activation 1~3 hour at 50 DEG C is washed with water and washed to pH value to 4-5, obtains the acid and changes
Property attapulgite, the liquid-solid ratio of hydrochloric acid and attapulgite is 2~5：1, by acid it is attapulgite modified be configured to concentration for 15~
20wt% sour attapulgite modified suspension；The sour attapulgite modified suspension is added in supercritical reaction apparatus,
Quaternary ammonium salt solution is added simultaneously, and then system is sealed, be passed through at carbon dioxide to 45~60MPa, 40~60 DEG C of temperature by stirring
Under conditions of react 60~120min, release, dry, obtain attapulgite modified；
Preferably, the mass percent concentration of the quaternary ammonium salt solution be 15~20wt%, acid it is attapulgite modified with
In the reaction system of quaternary ammonium salt solution formation, solid-to-liquid ratio is 1:20~25.
Preferably, the quaternary ammonium salt solution is diallyldimethylammonium chloride, double octyl alkyl dimethyl ammonium chlorides, ten
Any one in dialkyl dimethyl benzyl ammonium chloride, cetyl trimethylammonium bromide solution.
The present invention also provides a kind of method for handling Qinghai-Tibet cold and oxygen deficient slaughtering wastewater, slaughtering wastewater is flowed through above-mentioned
Slaughterhouse wastewater treatment system；The slaughtering wastewater is adjusted through solar energy humidity control system or earth source heat pump humidity control system
Temperature afterwards is more than 15 DEG C.
The present invention at least includes following beneficial effect：The present invention passes through greenhouse system combination solar energy temperature adjustment system
System and earth source heat pump humidity control system, realize heating to Qinghai-Tibet low temperature slaughtering wastewater, and the waste water after will heat up is supplied
Artificial wet land system is inputted after oxygen, slaughtering wastewater is comprehensively handled, and passes through the nitrogen phosphorus adsorption layer, organic of the present invention
Thing purifying layer, heavy metal adsorption layer, make after wastewater treatment that nitrogen, phosphorus, heavy metal, organic matter equal size significantly lower in water outlet, very
Good solves the problem of nitrogen in slaughtering wastewater, phosphorus, heavy metal, feeding organic matter etc. are exceeded.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment：
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
Fig. 1 shows a kind of Qinghai-Tibet cold and oxygen deficient slaughterhouse wastewater treatment system of the present invention, including：Warmhouse booth system
System 1；Slaughtering wastewater pretreatment unit 2, it is arranged in greenhouse system 1, is set in the slaughtering wastewater pretreatment unit 2
There is gravel packing 3；The outlet conduit 4 of the slaughtering wastewater pretreatment unit 1 is connected with lower water temperature pond 5；The outlet pipe
Connected on road 4 in first suction pump 6, the lower water temperature pond 5 and be provided with temperature sensor 7；
Solar energy humidity control system, it includes：Be arranged on the top of greenhouse system 1 solar thermal collector 8 and with
The heat exchanger 10 that solar thermal collector 8 is connected by heat exchange pipeline 9；Be provided with the heat exchange pipeline 9 first circulation water pump 11,
First valve 12 and heat-exchanging water tank 13；The heat exchanger 10 is arranged in lower water temperature pond 5；
Earth source heat pump humidity control system, it includes：Ground-source heat pump host 14, its by circulating line 15 respectively with it is buried
Pipe 16 and the heat exchanger tube 17 being arranged in lower water temperature pond 5 are connected；The second valve 18 and are provided with the circulating line 15
Two-cycle pump 19；
Artificial wet land system 20, it is arranged in greenhouse system 1, and the water inlet of the artificial wet land system 20 passes through
Second suction pump 21 is connected with the delivery port in lower water temperature pond 5；The artificial wet land system 20 and the connecting tube in lower water temperature pond 5
Apparatus of oxygen supply 23 is provided with road 22；
Control system, it uses PLC control system (not shown), its respectively with the temperature sensor 7, first circulation water
Pump 11, second circulation water pump 19, the first valve 12, the second valve 18, ground-source heat pump host 14 are connected；
Wherein, the bottom of the artificial wet land system 20 is impervious barrier 24, is gravel collection water layer 25, the suction of nitrogen phosphorus successively thereon
Attached layer 26, organic matter purifying layer 27, heavy metal adsorption layer 28, plantation layer 29；Plantation wetland plant 30 in the plantation layer 29；Institute
State and be evenly distributed with apopore on the water distributor 31 that the water inlet of artificial wet land system sets direction to plant layer, the water distributor 31
32；The water distributor 31 will butcher low concentration wastewater and be delivered to plantation layer 29；Lay perforation in the inside of the gravel collection water layer 25
Drainpipe 33；Osculum 34 is evenly arranged with the perforated drain pipe 33；Gravel is stretched out in one end of the perforated drain pipe 33
Low concentration wastewater of butchering after collection water layer 25 will be handled through wet land system is discharged；
Wherein, the nitrogen phosphorus adsorption layer includes the raw material mixing composition of following parts by weight：30~50 parts of furfural dregs, 20~30
Part powdered rice hulls, 10~20 parts of zeolites, 10~15 parts of attapulgites；
The organic matter purifying layer is montmorillonite；The particle diameter of the montmorillonite is 5~8mm；
The heavy metal adsorption layer includes the raw material of following parts by weight：20~30 parts of biogas residues, 5~10 parts of fertile soil, 3~5
Part biological carbon, 3~5 parts of diatomite, 3~5 parts of sodium lignin sulfonates.
In this technical scheme, Qinghai-Tibet cold and oxygen deficient slaughtering wastewater is delivered to butchering for greenhouse system 1
Sewage pretreatment device, by gravel packing 3, the large particulate matter in slaughtering wastewater is removed, then drawn water by first
The temperature sensor 7 that slaughtering wastewater after filtering is delivered in lower water temperature pond 5, lower water temperature pond by pump 6 detects slaughtering wastewater
Temperature, temperature signal is transmitted to PLC control system, control system receive after temperature signal with it is default in control system on
Lower limit temperature is contrasted, and when the bound temperature less than setting, control system just controls first circulation water pump 11, the first valve
Door 12 is opened, and by solar thermal collector 8 by the circulating water heating in heat-exchanging water tank, recirculated water is adjusted water temperature by heat exchanger 10
The slaughtering wastewater heating in pond 5 is saved, while control system control ground-source heat pump host 14, the second valve 18 and second circulation water pump
19 unlatching, starts earth source heat pump humidity control system, ground source heat energy is absorbed by underground pipe 16, by heat exchanger tube 17 and circulation pipe
Circulating water heating in road 15, recirculated water is heated up the slaughtering wastewater in lower water temperature pond 5 by heat exchanger tube 17；After will heat up
Slaughtering wastewater is pumped to artificial wet land system by the second suction pump 21, while using apparatus of oxygen supply to the slaughtering wastewater after heating
Oxygen supply, slaughtering wastewater is flowed into by water distributor sets apopore on artificial wet land system, water distributor, water distribution uniformity makes to butcher low dense
Degree waste water can uniform flow enter artificial wet land system, butcher low concentration wastewater from top to bottom respectively through plantation layer, heavy metal inhale
Attached layer, organic matter purifying layer, nitrogen phosphorus adsorption layer, gravel collection water layer, efficiently remove the organic matter in slaughtering wastewater, N, P etc. and pollute
Thing, the gravel collection water layer carries out filtering to sewage and catchmented, and the water outlet after purification is discharged by perforated drain pipe.The present invention is by right
Slaughtering wastewater carries out heating oxygen supply, improves the treatment effeciency of artificial wet land system, is purified using layering, progressively removes depollution
Thing, reaches the purpose of efficient process.
In another technical scheme, the ratio of the thickness of the plantation layer and the thickness of organic matter purifying layer is 1:1.5
~3；The ratio of the thickness of the organic matter purifying layer and the thickness of nitrogen phosphorus adsorption layer is 1:1~2；The thickness of the gravel collection water layer
The ratio of degree and the thickness of plantation layer is 1.5~2.5:1, the ratio of heavy metal adsorption layer and the thickness of plantation layer is 1~
2:1；Gravel collection water layer cobble-stone particle diameter is 5~10mm.
In another technical scheme, the particle diameter of furfural dregs is 3~5mm, the particle diameter of powdered rice hulls in the nitrogen phosphorus adsorption layer
For 3~5mm, zeolite particle diameter be 4~6mm, attapulgite particle diameter be 3~5mm.
In another technical scheme, the preparation method of the heavy metal adsorption layer is parts by weight：By weight, 20 are taken~
30 parts of biogas residues, 5~10 parts of fertile soil, 3~5 parts of biological carbons, 3~5 parts of diatomite, 3~5 parts of sodium lignin sulfonates, hot water 80~
120 parts are added in stainless steel spherical container, and spherical container is placed on four axle bevellers, open four axle bevellers, are driven stainless
Steel ball shape container randomly rotates 30~60min, then directly dries reacted mixed liquor, crushes, and obtains constituting heavy metal
The powder of adsorption layer；The charging aperture of the stainless steel spherical container is sealed by threaded cap, threaded cap be tightly connected after with it is stainless
The surface of steel ball shape container is flushed.
In another technical scheme, the active rotating speed of the four axles beveller is 100~150rpm, stochastic transition frequency
Rate is 30~60s.
In another technical scheme, the biogas residue replaces with modified biogas residue, and its preparation method is：By weight, by 30
~60 parts of biogas residues add 100~120 parts of mass fractions in 30~50% sodium hydroxide solution, to stir 30~90min, mistake
Filter, obtains pre-processing biogas residue；By weight, 20~25 parts of biogas residue of pretreatment, metering system are added in supercritical reaction apparatus
Sour 20~25 parts of methyl esters, 3~5 parts of styrene, 1~3 part of allylthiourea, 0.05~0.1 part of persalt ammonium, water 120~150
Part, stir, then seal system, be passed through under conditions of carbon dioxide to 35~45MPa, 60~75 DEG C of temperature and react 2
~5 hours, release, then with ethanol precipitation, was dried, and is eluted with acetone and is removed the homopolymer that dereaction is produced, obtains being modified biogas residue.
In another technical scheme, the attapulgite replaces with attapulgite modified, and its preparation method is：By bumps
Rod soil and the mixed in hydrochloric acid that concentration is 1mol/L, acid activation 1~3 hour at 50 DEG C is washed with water and washed to pH value to 4-5, obtains
Attapulgite modified to the acid, the liquid-solid ratio of hydrochloric acid and attapulgite is 2~5：1, by acid it is attapulgite modified be configured to it is dense
Spend the sour attapulgite modified suspension for 15~20wt%；The sour attapulgite modified suspension is added into supercritical reaction
In device, while adding quaternary ammonium salt solution, then system is sealed, is passed through carbon dioxide to 45~60MPa, temperature 40 by stirring
60~120min is reacted under conditions of at~60 DEG C, release is dried, obtains attapulgite modified；
In another technical scheme, the mass percent concentration of the quaternary ammonium salt solution is 15~20wt%, and acid is modified
In the reaction system that attapulgite is formed with quaternary ammonium salt solution, solid-to-liquid ratio is 1:20~25.
In another technical scheme, the quaternary ammonium salt solution is diallyldimethylammonium chloride, double octyl diformazans
Any one in ammonium chloride, dodecyl benzyl dimethyl ammonium chloride, cetyl trimethylammonium bromide solution.
Embodiment 1：
A kind of method for handling Qinghai-Tibet cold and oxygen deficient slaughtering wastewater, including：
Qinghai-Tibet cold and oxygen deficient slaughtering wastewater is delivered to the slaughtering wastewater pretreatment unit of greenhouse system 1, led to
Gravel packing 3 is crossed, the slaughtering wastewater after filtering is then delivered to by lower water temperature pond 5, lower water temperature by the first suction pump 6
Temperature sensor 7 in pond detects the temperature of slaughtering wastewater, temperature signal is transmitted into PLC control system, control system is received
Contrasted after temperature signal with default bound temperature in control system, when the bound temperature (15 DEG C) less than setting
When, control system just controls first circulation water pump 11, the first valve 12 to open, by solar thermal collector 8 by heat-exchanging water tank
Circulating water heating, recirculated water by heat exchanger 10 by lower water temperature pond 5 slaughtering wastewater heat up, while control system control
The unlatching of ground-source heat pump host 14, the second valve 18 and second circulation water pump 19, starts earth source heat pump humidity control system, passes through
Underground pipe 16 absorbs ground source heat energy, and by the circulating water heating in heat exchanger tube 17 and circulating line 15, recirculated water passes through heat exchanger tube 17
By the slaughtering wastewater heating in lower water temperature pond 5；The slaughtering wastewater is through solar energy humidity control system or earth source heat pump temperature
Temperature after regulating system regulation is more than 15 DEG C；Slaughtering wastewater after will heat up is pumped to artificial swamp by the second suction pump 21
System, while using apparatus of oxygen supply to the slaughtering wastewater oxygen supply after heating, slaughtering wastewater flows into artificial wet land system by water distributor,
Apopore is set on water distributor, and water distribution uniformity enables to butcher low concentration wastewater and uniformly flows into artificial wet land system, butchers low dense
Waste water is spent from top to bottom respectively through plantation layer, heavy metal adsorption layer, organic matter purifying layer, nitrogen phosphorus adsorption layer, gravel collection water layer,
The pollutant such as the efficient organic matter removed in slaughtering wastewater, N, P, the gravel collection water layer carries out filtering to sewage and catchmented, and purifies
Water outlet afterwards is discharged by perforated drain pipe；
The ratio of the thickness of the plantation layer and the thickness of organic matter purifying layer is 1:1.5；The organic matter purifying layer
The ratio of the thickness of thickness and nitrogen phosphorus adsorption layer is 1:1；The thickness of the gravel collection water layer and plant the ratio of thickness of layer and be
1.5:1, the ratio of thickness of the heavy metal adsorption layer with planting layer is 1:1；Gravel collection water layer cobble-stone particle diameter be 5~
10mm；
Wherein, the nitrogen phosphorus adsorption layer includes the raw material mixing composition of following parts by weight：40 parts of furfural dregs, 25 parts of rice husks
Powder, 15 parts of zeolites, 12 parts of attapulgites；The particle diameter of furfural dregs is that 3~5mm, the particle diameter of powdered rice hulls are 3 in the nitrogen phosphorus adsorption layer
~5mm, the particle diameter of zeolite are that 4~6mm, the particle diameter of attapulgite are 3~5mm；
The organic matter purifying layer is montmorillonite；The particle diameter of the montmorillonite is 5~8mm；
The heavy metal adsorption layer includes the raw material of following parts by weight：25 parts of biogas residues, 8 parts of fertile soil, 4 parts of biological carbons, 4 parts
Diatomite, 4 parts of sodium lignin sulfonates.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 90.2% is obtained through experiment, total
Nitrogen removal efficiency 91.6%, total tp removal rate 92.1%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 92.5%, 92.2%
With 92.8%.
Embodiment 2：
The preparation method of the heavy metal adsorption layer is parts by weight：By weight, take 25 parts of biogas residues, 8 parts of fertile soil, 4 parts
Biological carbon, 4 parts of diatomite, 4 parts of sodium lignin sulfonates, 100 parts of hot water are added in stainless steel spherical container, and spherical container is placed in
On four axle bevellers, four axle bevellers are opened, drive stainless steel spherical container randomly to rotate 30min, after then directly reacting
Mixed liquor drying, crush, obtain constitute heavy metal adsorption layer powder；The charging aperture of the stainless steel spherical container passes through spiral shell
Line lid is sealed, and the surface that threaded cap is tightly connected afterwards with stainless steel spherical container is flushed；The driving shaft of the four axles beveller turns
Speed is 120rpm, and stochastic transition frequency is 30s；
Its with technological parameter and process with it is identical in embodiment 1.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 90.8% is obtained through experiment, total
Nitrogen removal efficiency 91.7%, total tp removal rate 92.2%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 94.7%, 94.5%
With 94.8%.
Embodiment 3：
The preparation method of the heavy metal adsorption layer is parts by weight：By weight, take 30 parts of biogas residues, 10 parts of fertile soil, 3 parts
Biological carbon, 5 parts of diatomite, 3 parts of sodium lignin sulfonates, 120 parts of hot water are added in stainless steel spherical container, and spherical container is placed in
On four axle bevellers, four axle bevellers are opened, drive stainless steel spherical container randomly to rotate 60min, after then directly reacting
Mixed liquor drying, crush, obtain constitute heavy metal adsorption layer powder；The charging aperture of the stainless steel spherical container passes through spiral shell
Line lid is sealed, and the surface that threaded cap is tightly connected afterwards with stainless steel spherical container is flushed；The driving shaft of the four axles beveller turns
Speed is 150rpm, and stochastic transition frequency is 60s；
Its with technological parameter and process with it is identical in embodiment 1.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 91.2% is obtained through experiment, total
Nitrogen removal efficiency 92.5%, total tp removal rate 92.8%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 94.6%, 94.8%
With 94.7%.
Embodiment 4：
The biogas residue replaces with modified biogas residue, and its preparation method is：By weight, 40 parts of biogas residues are added into 100 parts of quality
Fraction is in 30% sodium hydroxide solution, stirs 90min, and filtering obtains pre-processing biogas residue；By weight, overcritical anti-
Answer and 25 parts of biogas residue of pretreatment, 20 parts of methyl methacrylate, 5 parts of styrene, 1 part of allylthiourea, persalt are added in device
0.08 part of ammonium, 150 parts of water, stir, then seal system, are passed through under conditions of carbon dioxide to 45MPa, 75 DEG C of temperature
Reaction 5 hours, release, then with ethanol precipitation, is dried, and is eluted with acetone and is removed the homopolymer that dereaction is produced, obtains being modified natural pond
Slag.
Its with technological parameter and process with it is identical in embodiment 1.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 91.3% is obtained through experiment, total
Nitrogen removal efficiency 92.7%, total tp removal rate 92.8%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 94.8%, 94.9%
With 94.6%.
Embodiment 5：
The biogas residue replaces with modified biogas residue, and its preparation method is：By weight, 60 parts of biogas residues are added into 120 parts of quality
Fraction is in 50% sodium hydroxide solution, stirs 90min, and filtering obtains pre-processing biogas residue；By weight, overcritical anti-
Answer and 25 parts of biogas residue of pretreatment, 25 parts of methyl methacrylate, 3 parts of styrene, 3 parts of allylthiourea, persalt are added in device
0.1 part of ammonium, 150 parts of water, stir, then seal system, are passed through under conditions of carbon dioxide to 45MPa, 75 DEG C of temperature
Reaction 5 hours, release, then with ethanol precipitation, is dried, and is eluted with acetone and is removed the homopolymer that dereaction is produced, obtains being modified natural pond
Slag.
Its with technological parameter and process with it is identical in embodiment 1.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 91.5% is obtained through experiment, total
Nitrogen removal efficiency 92.6%, total tp removal rate 92.7%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 95.8%, 95.6%
With 95.4%.
Embodiment 6：
The attapulgite replaces with attapulgite modified, and its preparation method is：It is 1mol/L by attapulgite and concentration
Mixed in hydrochloric acid, acid activation 1 hour at 50 DEG C is washed with water and washs to pH value to 4, and it is attapulgite modified to obtain the acid, salt
The liquid-solid ratio of acid and attapulgite is 5：1, it is the sour attapulgite modified of 15wt% by the attapulgite modified concentration that is configured to of acid
Suspension；The sour attapulgite modified suspension is added in supercritical reaction apparatus, while adding quaternary ammonium salt solution, stirred
Mix, then seal system, 120min is reacted under conditions of being passed through at carbon dioxide to 45MPa, 40 DEG C of temperature, release is dried,
Obtain attapulgite modified；The mass percent concentration of the quaternary ammonium salt solution is 20wt%, sour attapulgite modified and quaternary ammonium
In the reaction system of salting liquid formation, solid-to-liquid ratio is 1:20；The quaternary ammonium salt solution is diallyldimethylammonium chloride solution.
Its with technological parameter and process with it is identical in embodiment 1.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 92.2% is obtained through experiment, total
Nitrogen removal efficiency 94.8%, total tp removal rate 95.5%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 93.1%, 93.5%
With 94.1%.
Embodiment 7：
The attapulgite replaces with attapulgite modified, and its preparation method is：It is 1mol/L by attapulgite and concentration
Mixed in hydrochloric acid, acid activation 3 hours at 50 DEG C are washed with water and wash to pH value to 5, and it is attapulgite modified to obtain the acid, salt
The liquid-solid ratio of acid and attapulgite is 5：1, it is the sour attapulgite modified of 15wt% by the attapulgite modified concentration that is configured to of acid
Suspension；The sour attapulgite modified suspension is added in supercritical reaction apparatus, while adding quaternary ammonium salt solution, stirred
Mix, then seal system, 90min is reacted under conditions of being passed through under carbon dioxide to 45MPa, temperature 60 C, release is dried,
Obtain attapulgite modified；The mass percent concentration of the quaternary ammonium salt solution is 15wt%, sour attapulgite modified and quaternary ammonium
In the reaction system of salting liquid formation, solid-to-liquid ratio is 1:25；The quaternary ammonium salt solution is cetyl trimethylammonium bromide solution.
Its with technological parameter and process with it is identical in embodiment 1.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 92.5% is obtained through experiment, total
Nitrogen removal efficiency 95.3%, total tp removal rate 95.8%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 93.2%, 93.7%
With 94.3%.
Embodiment 8：
The preparation method of the heavy metal adsorption layer is parts by weight：By weight, take 30 parts of biogas residues, 10 parts of fertile soil, 3 parts
Biological carbon, 5 parts of diatomite, 3 parts of sodium lignin sulfonates, 120 parts of hot water are added in stainless steel spherical container, and spherical container is placed in
On four axle bevellers, four axle bevellers are opened, drive stainless steel spherical container randomly to rotate 60min, after then directly reacting
Mixed liquor drying, crush, obtain constitute heavy metal adsorption layer powder；The charging aperture of the stainless steel spherical container passes through spiral shell
Line lid is sealed, and the surface that threaded cap is tightly connected afterwards with stainless steel spherical container is flushed；The driving shaft of the four axles beveller turns
Speed is 150rpm, and stochastic transition frequency is 60s；
Its with technological parameter and process with it is identical in embodiment 5.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 93.2% is obtained through experiment, total
Nitrogen removal efficiency 93.3%, total tp removal rate 93.6%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 97.6%, 97.4%
With 97.5%.
Embodiment 9：
The preparation method of the heavy metal adsorption layer is parts by weight：By weight, take 30 parts of biogas residues, 10 parts of fertile soil, 3 parts
Biological carbon, 5 parts of diatomite, 3 parts of sodium lignin sulfonates, 120 parts of hot water are added in stainless steel spherical container, and spherical container is placed in
On four axle bevellers, four axle bevellers are opened, drive stainless steel spherical container randomly to rotate 60min, after then directly reacting
Mixed liquor drying, crush, obtain constitute heavy metal adsorption layer powder；The charging aperture of the stainless steel spherical container passes through spiral shell
Line lid is sealed, and the surface that threaded cap is tightly connected afterwards with stainless steel spherical container is flushed；The driving shaft of the four axles beveller turns
Speed is 150rpm, and stochastic transition frequency is 60s；
Its with technological parameter and process with it is identical in embodiment 7.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 93.2% is obtained through experiment, total
Nitrogen removal efficiency 96.5%, total tp removal rate 96.7%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 95.8%, 95.7%
With 95.6%.
Embodiment 10：
The biogas residue replaces with modified biogas residue, and its preparation method is：By weight, 60 parts of biogas residues are added into 120 parts of quality
Fraction is in 50% sodium hydroxide solution, stirs 90min, and filtering obtains pre-processing biogas residue；By weight, overcritical anti-
Answer and 25 parts of biogas residue of pretreatment, 25 parts of methyl methacrylate, 3 parts of styrene, 3 parts of allylthiourea, persalt are added in device
0.1 part of ammonium, 150 parts of water, stir, then seal system, are passed through under conditions of carbon dioxide to 45MPa, 75 DEG C of temperature
Reaction 5 hours, release, then with ethanol precipitation, is dried, and is eluted with acetone and is removed the homopolymer that dereaction is produced, obtains being modified natural pond
Slag.
Its with technological parameter and process with it is identical in embodiment 7.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 93.8% is obtained through experiment, total
Nitrogen removal efficiency 96.7%, total tp removal rate 96.8%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 96.9%, 96.8%
With 96.7%.
Embodiment 11：
The biogas residue replaces with modified biogas residue, and its preparation method is：By weight, 60 parts of biogas residues are added into 120 parts of quality
Fraction is in 50% sodium hydroxide solution, stirs 90min, and filtering obtains pre-processing biogas residue；By weight, overcritical anti-
Answer and 25 parts of biogas residue of pretreatment, 25 parts of methyl methacrylate, 3 parts of styrene, 3 parts of allylthiourea, persalt are added in device
0.1 part of ammonium, 150 parts of water, stir, then seal system, are passed through under conditions of carbon dioxide to 45MPa, 75 DEG C of temperature
Reaction 5 hours, release, then with ethanol precipitation, is dried, and is eluted with acetone and is removed the homopolymer that dereaction is produced, obtains being modified natural pond
Slag.
Its with technological parameter and process with it is identical in embodiment 9.
Slaughtering wastewater is handled using the method for the present embodiment, organic removal rate 94.7% is obtained through experiment, total
Nitrogen removal efficiency 97.8%, total tp removal rate 98.3%；Heavy metal Cd2+、Cu2+、Mn2+Clearance be respectively 98.5%, 98.6%
With 98.4%.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the example with description.
Claims (10)
1. a kind of Qinghai-Tibet cold and oxygen deficient slaughterhouse wastewater treatment system, it is characterised in that including：
Greenhouse system；
Slaughtering wastewater pretreatment unit, it is arranged in greenhouse system, is provided with the slaughtering wastewater pretreatment unit
Gravel packing；The outlet conduit of the slaughtering wastewater pretreatment unit is connected with lower water temperature pond；Connect on the outlet conduit
Connect in the first suction pump, the lower water temperature pond and be provided with temperature sensor；
Solar energy humidity control system, it includes：The solar thermal collector and and solar energy being arranged at the top of greenhouse system
The heat exchanger that heat collector is connected by heat exchange pipeline；First circulation water pump, the first valve are provided with the heat exchange pipeline and is changed
Boiler；The heat exchanger is arranged in lower water temperature pond；
Earth source heat pump humidity control system, it includes：Ground-source heat pump host, its by circulating line respectively with underground pipe and setting
Heat exchanger tube connection in lower water temperature pond；The second valve and second circulation water pump are provided with the circulating line；
Artificial wet land system, it is arranged in greenhouse system, and the water inlet of the artificial wet land system draws water by second
Pump is connected with the delivery port in lower water temperature pond；Oxygen supply is provided with the connecting line in artificial wet land system and the lower water temperature pond
Device；
Control system, its respectively with the temperature sensor, first circulation suction pump, second circulation water pump, the first valve, second
Valve, ground-source heat pump host connection；
Wherein, the bottom of the artificial wet land system is impervious barrier, is gravel collection water layer successively thereon, nitrogen phosphorus adsorption layer, organic
Thing purifying layer, heavy metal adsorption layer, plantation layer；Plantation wetland plant in the plantation layer；The artificial wet land system enters water
Mouth sets and is evenly distributed with apopore on the water distributor towards plantation layer, the water distributor；The water distributor will butcher low concentration
Waste water is delivered to plantation layer；Lay perforated drain pipe in the inside of the gravel collection water layer；It is uniformly arranged on the perforated drain pipe
There is osculum；One end of the perforated drain pipe, which is stretched out after gravel collection water layer will be handled through wet land system, butchers low concentration wastewater
Discharge；
Wherein, the nitrogen phosphorus adsorption layer includes the raw material mixing composition of following parts by weight：30~50 portions of furfural dregs, 20~30 portions of rice
Shell powder, 10~20 parts of zeolites, 10~15 parts of attapulgites；
The organic matter purifying layer is montmorillonite；The particle diameter of the montmorillonite is 5~8mm；
The heavy metal adsorption layer includes the raw material of following parts by weight：20~30 parts of biogas residues, 5~10 parts of fertile soil, 3~5 parts of lifes
Thing carbon, 3~5 parts of diatomite, 3~5 parts of sodium lignin sulfonates.
2. Qinghai-Tibet Platean cold and oxygen deficient slaughterhouse wastewater treatment system as claimed in claim 1, it is characterised in that the plantation layer
Thickness and organic matter purifying layer thickness ratio be 1:1.5~3；The thickness of the organic matter purifying layer and nitrogen phosphorus adsorption layer
Thickness ratio be 1:1~2；The ratio of the thickness of the gravel collection water layer and the thickness of plantation layer is 1.5~2.5:1, institute
The ratio for stating thickness of the heavy metal adsorption layer with planting layer is 1~2:1；Gravel collection water layer cobble-stone particle diameter is 5~10mm.
3. Qinghai-Tibet Platean cold and oxygen deficient slaughterhouse wastewater treatment system as claimed in claim 1, it is characterised in that the nitrogen phosphorus is inhaled
The particle diameter of furfural dregs is that 3~5mm, the particle diameter of powdered rice hulls are that 3~5mm, the particle diameter of zeolite are 4~6mm, attapulgite in attached layer
Particle diameter is 3~5mm.
4. Qinghai-Tibet Platean cold and oxygen deficient slaughterhouse wastewater treatment system as claimed in claim 1, it is characterised in that the heavy metal
The preparation method of adsorption layer is：By weight, take 20~30 parts of biogas residues, 5~10 parts of fertile soil, 3~5 parts of biological carbons, 3~5 parts
Diatomite, 3~5 parts of sodium lignin sulfonates, 80~120 parts of hot water are added in stainless steel spherical container, and spherical container is placed in into four
On axle beveller, four axle bevellers are opened, stainless steel spherical container randomly 30~60min of rotation is driven, then directly will reaction
Mixed liquor drying afterwards, is crushed, and obtains constituting the powder of heavy metal adsorption layer；The charging aperture of the stainless steel spherical container passes through
Threaded cap is sealed, and the surface that threaded cap is tightly connected afterwards with stainless steel spherical container is flushed.
5. Qinghai-Tibet Platean cold and oxygen deficient slaughterhouse wastewater treatment system as claimed in claim 4, it is characterised in that four axle is ground
The active rotating speed for grinding instrument is 100~150rpm, and stochastic transition frequency is 30~60s.
6. Qinghai-Tibet Platean cold and oxygen deficient slaughterhouse wastewater treatment system as claimed in claim 1, it is characterised in that the biogas residue is replaced
Modified biogas residue is changed to, its preparation method is：By weight, by 30~60 parts of biogas residues add 100~120 parts of mass fractions be 30~
In 50% sodium hydroxide solution, 30~90min is stirred, filtering obtains pre-processing biogas residue；By weight, in supercritical reaction
20~25 parts of biogas residue of pretreatment, 20~25 parts of methyl methacrylate, 3~5 parts of styrene, allylthiourea 1 are added in device
~3 parts, 0.05~0.1 part of persalt ammonium, 120~150 parts of water, stir, then seal system, be passed through carbon dioxide extremely
Reacted 2~5 hours under conditions of 35~45MPa, 60~75 DEG C of temperature, release, then with ethanol precipitation, dry, washed with acetone
The homopolymer produced except dereaction is carried, obtains being modified biogas residue.
7. Qinghai-Tibet Platean cold and oxygen deficient slaughterhouse wastewater treatment system as claimed in claim 1, it is characterised in that the concave convex rod
Soil replaces with attapulgite modified, and its preparation method is：By attapulgite and the mixed in hydrochloric acid that concentration is 1mol/L, at 50 DEG C
Lower acid activation 1~3 hour, is washed with water and washs to pH value to 4-5, and it is attapulgite modified to obtain the acid, hydrochloric acid and attapulgite
Liquid-solid ratio be 2~5：1, it is the sour attapulgite modified suspended of 15~20wt% by the attapulgite modified concentration that is configured to of acid
Liquid；The sour attapulgite modified suspension is added in supercritical reaction apparatus, while quaternary ammonium salt solution is added, stirring, so
System is sealed afterwards, 60~120min is reacted under conditions of being passed through at carbon dioxide to 45~60MPa, 40~60 DEG C of temperature, is unloaded
Pressure, dries, obtains attapulgite modified.
8. Qinghai-Tibet Platean cold and oxygen deficient slaughterhouse wastewater treatment system as claimed in claim 1, it is characterised in that the quaternary ammonium salt
The mass percent concentration of solution is 15~20wt%, in the sour attapulgite modified reaction system with quaternary ammonium salt solution formation,
Solid-to-liquid ratio is 1:20~25.
9. Qinghai-Tibet Platean cold and oxygen deficient slaughterhouse wastewater treatment system as claimed in claim 5, it is characterised in that the quaternary ammonium salt
Solution is diallyldimethylammonium chloride, double octyl alkyl dimethyl ammonium chlorides, dodecyl benzyl dimethyl ammonium chloride, 16
Any one in alkyl trimethyl ammonium bromide solution.
10. a kind of method for handling Qinghai-Tibet cold and oxygen deficient slaughtering wastewater, it is characterised in that flow through slaughtering wastewater such as right
It is required that the slaughterhouse wastewater treatment system described in 1~9 any one；The slaughtering wastewater is through solar energy humidity control system or ground source heat
Temperature after the regulation of pump temperature regulating system is more than 15 DEG C.
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| CN109243657A (en) * | 2018-08-17 | 2019-01-18 | 西南科技大学 | A kind of combined type uranium-bearing low level waste water ecology cleaning treatment system and processing method |
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