CN102211838B - Method for harmlessly treating livestock and poultry breeding waste water - Google Patents
Method for harmlessly treating livestock and poultry breeding waste water Download PDFInfo
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- CN102211838B CN102211838B CN2011100669568A CN201110066956A CN102211838B CN 102211838 B CN102211838 B CN 102211838B CN 2011100669568 A CN2011100669568 A CN 2011100669568A CN 201110066956 A CN201110066956 A CN 201110066956A CN 102211838 B CN102211838 B CN 102211838B
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Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Fertilizers (AREA)
Abstract
The invention relates to a method for harmlessly treating livestock and poultry breeding waste water, comprising the following steps of: after injecting the livestock and poultry breeding waste water into an adjusting tank, adding an addition agent to aerate and stir; simultaneously, carrying out ultrasonic treatment; coarsely screening and separating so as to remove large particles and obtain a first-stage separated substance; injecting the waste water of the adjusting tank into a separation tank; adding the addition agent again to perform aeration, stir and aerobic treatments; injecting in separation equipment for separating to obtain a second-stage separated substance and separated waste water; adsorbing and filtering the separated waste water through an adsorbent so as to obtain recycled or dischargeable standard water; and simultaneously, obtaining a third-stage separated substance. The method disclosed by the invention has the advantages of simple process, easiness in operation and high efficiency. By means of a treatment system for separating solid and liquid and organic substances, contents of organic substances and nutritional components in the livestock and poultry breeding waste water can be reduced effectively; the environment pollution problem of the livestock and poultry breeding waste water is solved; the water quality of the treated livestock and poultry waste water can achieve the discharge standard; the separated substances can be recycled in other fields; and the invention provides an effective approach for harmlessly treating the livestock and poultry breeding waste water and has a realistic significance.
Description
Technical field
The invention belongs to technical field of waste water processing, specifically is a kind of waste water of livestock poultry method for innocent treatment, correspondingly also proposes the method that isolate utilizes again after the wastewater treatment.
Background technology
Along with people's is known the life condition of fowl poultry kind animal, life habit etc.; Also be in order to satisfy different taste demands simultaneously; Increasing fowl poultry kind animal has greatly been satisfied people's demand gradually by stable breeding, but also our living environment is caused certain negative impact.Because the waste water that stable breeding caused of fowl poultry kind animal contains large amount of organic; Its pollution load is higher, as if directly entering or get into rivers and lakes with rain drop erosion, the dissolved oxygen in the meeting mass consumption water body; Make the water body blackening smelly; And nutrition such as its a large amount of N that contain, P can cause body eutrophication, make the responsive hydrobiont of Organic pollutants deadly gradually, and severe patient causes river forfeiture functions of use.Waste water of livestock poultry permeates the ground for a long time, and nitric nitrogen or nitrite nitrogen concentration in the underground water are increased, and the underground water dissolved oxygen content reduces; Toxic ingredient increases; Cause water quality deterioration, even lose its functions of use, the water quality of periphery tap water of crisis simultaneously and domestic water.High-concentration waste water also causes the soil pores to be stopped up, cause that soil is ventilative, water-permeable descends and harden, salinization, seriously reduce soil quality, even the injury farm crop, cause the underproduction and death.
At present, utilize the chemical pollutant in the ultrasonic degradation water, especially the organic pollutant of difficult degradation is the novel environmental improvement technology that development in recent years is got up.This technological operation mild condition, degradation speed are fast, applied widely, can unite use separately or with other water technology, are a kind of technology of very promising and application prospect.UW is not direct acoustic wave action to organic degraded, but with liquid in produce collapsing to go out substantial connection being arranged of cavitation bubble.The UW of sufficient intensity is when the liquid, and in the sound wave negative pressure semi-period, the micro-bubble (cavitation nucleus) that is present in the liquid can be grown up rapidly, the sound wave malleation that comes one after the other mutually in; Bubble adiabatic compression and collapsing again goes out, and is collapsing the moment of going out, the bubble formation hot localised points; Its temperature is up to 5000K, the big 500atm of pressure, and this focus cools off thereupon then; Rate of cooling reaches 109K/s, and in liquid with powerful shockwave, this has just created an extreme physical environment for organic degraded.From present result of study analysis, though ultrasonic technology has carried out Study on degradation to tens of kinds of organism, be mostly the single component simulation, and contain multiple pollutent in the actual waste water of livestock poultry, adopt the ultrasonic degradation technique effect undesirable merely.
Centrifugal separation technique is the differences of utilizing between the different substances such as density, with the Physical Separation Technology that centrifuge field is separated and extracted, is widely used in fields such as biology, medical science, agronomy, chemistry, chemical industry.To most of bio-fermented liquid finely ground particle substances, centrifugal efficient and simple method often.Though spinning ability separate small particles material can not reach the ideal separating effect to water miscible material.
Sorbent material is from gas or liquid, to adsorb the wherein solid matter of some composition effectively.Sorbent material generally has following characteristics: big specific area, suitable pore structure and surface tissue; Adsorbate there is the intensive adsorptive power; Generally not with adsorbate and medium generation chemical reaction, easily manufactured, easily regeneration; Excellent mechanical intensity etc. is arranged, but use cost is higher, processing efficiency is low, and use range is less.
According to literature search, do not see the bibliographical information that relevant waste water of livestock poultry harmless treatment is arranged.
Summary of the invention
The purpose of this invention is to provide a kind of waste water of livestock poultry method for innocent treatment, adopt solid-liquid separation, the isolating system for handling of organic substance, can reduce the organic matter of waste water of livestock poultry, the content of nutritive ingredient effectively; Solve the waste water of livestock poultry environmental pollution problem; Technology is simple, and is easy to operate, and efficient is high; For the waste water of livestock poultry harmless treatment provides an effective way, has realistic meaning.
The technical scheme that the present invention adopted:
A kind of waste water of livestock poultry method for innocent treatment may further comprise the steps:
1, waste water of livestock poultry injects equalizing tank, adds 0.01～3% auxiliary agent then by weight percentage and carries out aeration, stirring, uses ultrasonication simultaneously, and the ultrasonic frequency scope is 20～100kHZ, and the ultrasonic intensity scope is 0.1～70W/cm
2, ultrasonic response time 0.1～60min.Described auxiliary agent is a kind of or mixing in reodorant, the mikrobe regulator.
The preferred ultrasonic frequency of ultrasonication is 40kHZ, and ultrasonic intensity is 40W/cm
2, the ultrasonic response time is 3min.
2, the equalizing tank waste water after the step 1) processing is left through the grid coarse fraction; Remove macrobead; Obtain the flash trapping stage thing, equalizing tank waste water injects separation cell, in separation cell, adds 0.01～3% auxiliary agent by weight percentage and carries out aeration, stirs aerobic treatment; Described auxiliary agent is a kind of or mixing in reodorant, the mikrobe regulator.
3, with step 2) separation cell waste water after handling injects separating device and separates and obtain the secondary isolate and separate waste water;
Said separating device is a whizzer, and the centrifuge speed scope is 3000rpm/min～100000rpm/min.Preferred rotating speed is 15000rpm/min.
Said separating device is a pressure filter, and the canvas press cloth aperture is 100～500 orders, and pressure range is 0.5～2Mpa.Preferred filter cloth aperture is 150 orders, and pressure is 0.45Mpa.
4, filtration obtains the water up to standard that reusable edible maybe can discharge through adsorbents adsorb with the separation waste water after the step 3) processing, obtains three grades of isolates simultaneously.Said sorbent material is a kind of or mixing in sandy soil, volcanic soil, natural clay, silica gel, zeolite, gac or the activated alumina.
Through evidence, the waste water of livestock poultry method for innocent treatment that the present invention proposes can effectively solve waste water of livestock poultry exhaust emission environmental problem, and the technology effluent quality satisfies and be superior to the emission standard of " livestock and poultry breeding industry pollutant emission standard " GB18596-2001.
Flash trapping stage thing, secondary isolate and/or three grades of isolate as fertilizer sources directly are manured into soil.
Flash trapping stage thing, secondary isolate and/or three grades of isolates to obtain are that raw material carries out the preparation processing, process solid-state fertilizer, agricultural additive or soil improvement agent.When preparation, except described isolate, also comprise other functional microbials, organic and inorganic auxiliary material in the preparation.That is to say and also can add other functional auxiliary components in the isolate preparation of the present invention,, be mixed with the solid preparation like sticker etc.
Described functional microbial is anerobes, condition anerobes, sporeformer, puncture genus bacillus (Pasteuria penetrans), subtilis (Bacillus subtilis), bacillusmusilaginosiengineering (Bacillus mucilaginosus), bacillus megaterium (Bacillusmegaterium); Rhodopseudomonas bacterium (Pseudomonas spp.), the logical Bordetella bacterium (Ralstonia spp.) in Rolls, Burkholder bacterium belong to bacterium (Buekholderia spp.), actinomycetes and other antagonism bacterium; Can add separately, but also two or more mixes interpolation.
Described organic auxiliary material is industry organic waste or organism such as powdered rice hulls, grouts, bone meal, rice bran, humic acid powder, straw powder, wood chip, bagasse, mushroom slag, Semen Maydis powder, can add separately, also can two kinds or above mixing interpolation.
Described inorganic auxiliary material comprises WHITE CARBON BLACK, light calcium carbonate, potter's clay, attapulgite, kaolin, zeyssatite, wilkinite, sepiolite, zeolite, silica sand, talcum powder, can use separately, also can two kinds or above mixing use.
Described inorganic auxiliary material also comprises ferrous sulfate, zinc sulfate, sal epsom, vitriolate of tartar, double superhosphate, borax, mono-calcium phosphate, lime, gypsum etc., can use separately, also can two kinds or above mixing use.
Described sticker has starch, dextrin, Sudan Gum-arabic, Sunlover 10, gelatine, sodium sulfate, Z 150PH, polyoxyethylene glycol, rosin, paraffin, Xylo-Mucine, water glass etc., can use separately, also can two kinds or above mixing use.
Fertilizer provided by the present invention, agricultural additive and soil improvement agent can be used for various plants, like Chinese cabbage, olive, Cauliflower, wax gourd, cucumber, tomato, apple, pear tree, lichee, grape, banana, wheat, rape, yam, tobacco, mater convolvulus and flowers, herbal medicine, mulberry tree, pepper etc.The product of isolate preparation of the present invention use field do farmland, orchard or basin soil etc.
With flash trapping stage thing, secondary isolate and/or three grades of isolates is that raw material carries out the preparation processing, and the piece brick is formed in moulding, roasting, is used for material of construction.When preparation, except described isolate, also comprise shale powder, sticker such as aluminium sesquioxide, red oxide of iron, quicklime etc. in the preparation, the piece brick is formed in roasting after the extrusion molding.The proportional range of each integral part is: isolate 20～60%, and shale powder 30～60%, sticker 2～10%, all the other are water.
With flash trapping stage thing, secondary isolate and/or three grades of isolates is that raw material carries out the preparation processing; Granulate; Haydite is processed in heating; Can be used for fields such as agricultural, environmental protection, building, metallurgy, chemical industry, oil, like soilless culture, the propping agent of building thermal insulation material, metallurgical rotary kiln, biological ceramic particle filter tank, oil-gas mining etc.When preparation, except described isolate, also comprise shale powder, flyash, zeolite in the preparation, clay, Wingdale etc. mix granulation.The proportional range of each integral part is: solid isolate 20～60%, and shale powder or flyash or zeolite or clay or Wingdale etc. 30～80%, all the other are water.
With flash trapping stage thing, secondary isolate and/or three grades of isolates is that raw material carries out the high-temperature activation processing, makes the gac with adsorption function, is used for fields such as chemical industry.
Technology of the present invention is simple, and is easy to operate, and efficient is high; Adopt solid-liquid separation, the isolating system for handling of organic substance, can reduce the organic matter of waste water of livestock poultry, the content of nutritive ingredient effectively, solve the waste water of livestock poultry environmental pollution problem; Handle back water quality and reach emission standard; Isolate can be used in other field again, for the waste water of livestock poultry harmless treatment provides an effective way, has realistic meaning.
Embodiment
Below in conjunction with embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.
Embodiment one
After waste water of livestock poultry introduced equalizing tank, add by wastewater flow rate 0.1% through impregnator and to carry out ultrasound reactor behind the auxiliary agent (comprising 30% reodorant, 70% mikrobe regulator) and handle, ultrasonic frequency is 40kHZ, and ultrasonic intensity is 50W/cm
2, the each time 20min of UW is interrupted 5min therebetween, co-processing 48h; In this step, simultaneously through aerating apparatus, to pending waste water of livestock poultry, the frequency of 1h is interrupted 20min and is carried out aeration at every turn like the coupled logical aeration tube of blower fan in equalizing tank, and it is smelly to prevent and treat anaerobic waste water; With the bigger solid of equalizing tank waste water process grid scalping degranulation after handling; Obtain the flash trapping stage thing, after parting liquid is introduced separation cell, add auxiliary agent through impregnator by wastewater flow rate 0.1% and (comprise 30% reodorant; 70% mikrobe regulator) back is carried out the aeration processing through micro-hole aerator to the waste water that injects; Co-processing 72h, its main purpose is to the organism, suspended substance, ammonia nitrogen biodegrade, the i.e. biochemical reaction that are rich in the waste water of livestock poultry; Separation cell waste water after handling is injected the pressure filter high speed separate (the canvas press cloth aperture is 300 orders, and pressure is 1Mpa), obtain the secondary isolate; Inject sorbent material tower (natural clay) through continuous isolating waste water and carry out the continuous adsorption separation, water outlet is the water up to standard that reusable edible maybe can discharge, and obtains three grades of isolates simultaneously.
Adopt treatment process of the present invention, waste water of livestock poultry is handled: the processing water yield is 4m
3/ hr, influent quality are CODcr 4000mg/L, concentration of suspension 700mg/L, NH
3-N 350mg/L, pH 7.2.The detection index of gained effluent quality is respectively CODcr 130mg/L, concentration of suspension 40mg/L, NH
3-N 35mg/L; Can find out that organic concentration index, concentration of suspension index and the ammonia nitrogen index of effluent quality satisfy and be superior to the emission standard of " livestock and poultry breeding industry pollutant emission standard " GB18596-2001: CODcr≤400mg/L fully; Concentration of suspension≤200mg/L, NH
3-N≤80mg/L.
Embodiment two
After waste water of livestock poultry introduced equalizing tank, add by wastewater flow rate 0.5% through impregnator and to carry out ultrasound reactor behind the auxiliary agent (comprising 40% reodorant, 60% mikrobe regulator) and handle, ultrasonic frequency is 22kHZ, and ultrasonic intensity is 80W/cm
2, the each time 30min of UW is interrupted 5min therebetween, co-processing 48h; In this step, simultaneously through aerating apparatus, to pending waste water of livestock poultry, the frequency of 45min is interrupted and was carried out aeration in 15min hour at every turn like the coupled logical aeration tube of blower fan in equalizing tank, and it is smelly to prevent and treat anaerobic waste water; With the bigger solid of equalizing tank waste water process grid scalping degranulation after handling; Obtain the flash trapping stage thing, after parting liquid is introduced separation cell, add auxiliary agent through impregnator by wastewater flow rate 0.5% and (comprise 40% reodorant; 60% mikrobe regulator) back is carried out the aeration processing through micro-hole aerator to the waste water that injects; Co-processing 72h, its main purpose is to the organism, suspended substance, ammonia nitrogen biodegrade, the i.e. biochemical reaction that are rich in the waste water of livestock poultry; Separation cell waste water after handling is injected the supercentrifuge high speed separate (centrifuge speed is 13000rpm/min), obtain the secondary isolate; Waste water injection sorbent material tower (zeolite) through continuously centrifuged carries out the continuous adsorption separation, and water outlet is the water up to standard that reusable edible maybe can discharge, and obtains three grades of isolates simultaneously.
Adopt treatment process of the present invention, waste water of livestock poultry is handled: the processing water yield is 6m
3/ hr, influent quality are CODcr 5000mg/L, concentration of suspension 680mg/L, NH
3-N 380mg/L, pH 7.4.The detection index of gained effluent quality is respectively CODcr 103mg/L, concentration of suspension 23mg/L, NH
3-N 22mg/L; Can find out that organic concentration index, concentration of suspension index and the ammonia nitrogen index of effluent quality satisfy and be superior to the emission standard of " livestock and poultry breeding industry pollutant emission standard " GB18596-2001: CODcr≤400mg/L fully; Concentration of suspension≤200mg/L, NH
3-N≤80mg/L.
Embodiment three
After waste water of livestock poultry introduced equalizing tank, add by wastewater flow rate 0.8% through impregnator and to carry out ultrasound reactor behind the auxiliary agent (comprising 40% reodorant, 60% mikrobe regulator) and handle, ultrasonic frequency is 40kHZ, and ultrasonic intensity is 60W/cm
2, the each time 30min of UW is interrupted 5min therebetween, co-processing 48h; In this step, simultaneously through aerating apparatus, to pending waste water of livestock poultry, the frequency of 45min is interrupted and was carried out aeration in 15min hour at every turn like the coupled logical aeration tube of blower fan in equalizing tank, and it is smelly to prevent and treat anaerobic waste water; With the bigger solid of equalizing tank waste water process grid scalping degranulation after handling; Obtain the flash trapping stage thing, after parting liquid is introduced separation cell, add auxiliary agent through impregnator by wastewater flow rate 0.5% and (comprise 40% reodorant; 60% mikrobe regulator) back is carried out the aeration processing through micro-hole aerator to the waste water that injects; Co-processing 72h, its main purpose is to the organism, suspended substance, ammonia nitrogen biodegrade, the i.e. biochemical reaction that are rich in the waste water of livestock poultry; Separation cell waste water after handling is injected the supercentrifuge high speed separate (centrifuge speed is 15000rpm/min), obtain the secondary isolate; Waste water injection sorbent material tower (gac) through continuously centrifuged carries out the continuous adsorption separation, and water outlet is the water up to standard that reusable edible maybe can discharge, and obtains three grades of isolates simultaneously.
Adopt treatment process of the present invention, waste water of livestock poultry is handled: the processing water yield is 8m
3/ hr, influent quality are CODcr 4000mg/L, concentration of suspension 630mg/L, NH
3-N 320mg/L, pH 7.2.The detection index of gained effluent quality is respectively CODcr 48mg/L, concentration of suspension 17mg/L, NH
3-N 16mg/L; Can find out that organic concentration index, concentration of suspension index and the ammonia nitrogen index of effluent quality satisfy and be superior to the emission standard of " livestock and poultry breeding industry pollutant emission standard " GB18596-2001: CODcr≤400mg/L fully; Concentration of suspension≤200mg/L, NH
3-N≤80mg/L.
Can find out among the embodiment from the above mentioned, the disposal methods technology that the present invention adopts, equipment and flow process are simple, and maintenance of the equipment is convenient.Effluent quality is good, and running cost is comparatively cheap, has a good application prospect.
Embodiment four-function isolate is produced fertilizer
With puncture genus bacillus (Pasteuria penetrans) the bacterium liquid of producing separately with 80 purpose straw powder in bacterium liquid: the ratio of straw powder=1: 3 (volume L/ quality kg) is adsorbed, and powder mix is broken to 60 orders, makes mixed viable count reach 10 * 10
8Individual/gram, moisture remains on 25%.In capacity is 250 kilograms stirrer, add embodiment-in secondary isolate 150kg, the bacterium powder 50kg for preparing, sal epsom 7kg, zinc sulfate 6kg, borax 3kg, ferrous sulfate 4kg, double superhosphate 15kg, gypsum 3kg, Sunlover 10 6kg, zeyssatite 6kg.Stirrer stirred 3～6 minutes, made the material thorough mixing even.Detect: organic content is 45%, and total nutrient (nitrogen+Vanadium Pentoxide in FLAKES+potassium oxide) content is 6%, water ratio 9.8%, and potential of hydrogen is 7.4.Heavy metal arsenic content is 9.30mg/kg, and mercury content is 1.04mg/kg, and lead content is 24.5mg/kg, and cadmium content is 0mg/kg, and chromium content is 0.37mg/kg.The roundworm recall rate is 0.4%, 65/g of intestinal bacteria.Each item technical indicator is all above the requirement of NY525-2002.
Embodiment five usefulness isolates are produced agricultural additive
To puncture genus bacillus (Pasteuria penetrans), subtilis (Bacillus subtilis) produces separately; Bacterium liquid respectively with 80 purpose straw powder, humic acid powder in bacterium liquid: straw powder: the ratio absorption of humic acid powder=1: 2: 1 (volume L/ quality kg/ quality kg); Single microbial inoculum after two kinds of absorption is crushed to 60 orders according to 1: 1 mixed, makes the total viable count of mixed two bacterial classifications reach 10 * 10
8Individual/more than the gram, moisture remains on 25%.At capacity is the secondary solid isolate 150kg that adds in 250 kilograms the stirrer among the embodiment two, the bacterium powder 40kg for preparing, sal epsom 9kg, zinc sulfate 7kg, borax 5kg, ferrous sulfate 7kg, mono-calcium phosphate 15kg, CMC 8kg, WHITE CARBON BLACK 9kg.Stirrer stirred 3～6 minutes, made the material thorough mixing even.
Embodiment six usefulness isolates are produced soil improvement agent
Genus bacillus (Pasteuria penetrans), bacillusmusilaginosiengineering (Bacillus mucilaginosus) and bacillus megaterium (Bacillus megaterium) fermentative prodn separately will puncture; Bacterium liquid after the fermentation with 80 purpose straw powder, humic acid powder in bacterium liquid: straw powder: the ratio absorption of humic acid powder=1: 2: 1 (volume L/ quality kg/ quality kg); Single microbial inoculum after two kinds of absorption is crushed to 60 orders according to 1: 1: 1 mixed, makes the total viable count of mixed two bacterial classifications reach 15 * 10
8Individual/more than the gram, moisture remains on 25%.At capacity is the flash trapping stage thing 50kg that adds in 250 kilograms the stirrer among the embodiment three, secondary isolate 60kg, three grades of isolate 40kg, the bacterium powder 60kg for preparing, sal epsom 9kg, zinc sulfate 7kg, ferrous sulfate 7kg, CMC 8kg, light calcium carbonate 9kg.Stirrer stirred 3～6 minutes, made the material thorough mixing even.
Embodiment seven usefulness isolate roasting piece bricks
With 30 kilograms of isolates (one-level, secondary, three grades of isolates respectively are 10 kilograms), 60 kilograms of shale powder, 3 kilograms of aluminium sesquioxides, 2 kilograms of red oxide of iron; 5 kilograms of input stirrers of quicklime, and add 18～22% water, after stirring, send into single-lead-screw extruding briquetting machine; Be squeezed into the work in-process adobe of required specification, deliver to baking room oven dry under 50 degree～300 degree again, be dried into the dry body of water cut 8～15%; Send into again and fire the roasting of kiln through 950 degree～1050 degree, roasting time 30～40h, finished product is red-brown; Outward appearance flawless, no unfilled corner, no impression, ultimate compression strength reaches 15～16MPa, has good anti-folding degree and resistance to compression degree.
According to physical condition, can adopt also that other equipment or means stir, extrusion molding, oven dry and roasting.
Embodiment eight usefulness isolate roasting haydites
With 30 kilograms of isolates (one-level, secondary, three grades of isolates are respectively be 5 kilograms, 15 kilograms, 10 kilograms), 68 kilograms of the shale powder of 0.22mm sieve are crossed in levigate back, and limestone powder is sent in the batch mixing pug mill for 2 kilograms; Carry out mixed and rub white silk; The mixture of plastic good quality homogeneous, again mixture is sent into the twin rollers extruding pelletization, the cylindric particle that will extrude is then sent in the rotating cylinder nodulizer; Carry out round as a ball after, just prepare spherical particle.
The spherical particle of preparing is sent in the bitubular rotary kiln, carried out drying, pre-burning, roasting successively.Drying temperature is 200 ℃, time 25min; The temperature of preheating section is 400 ℃, time 10min; The temperature of roasting is 1150 ℃, time 10min.Fire the haydite behind the kiln discharge, send into cooling drum, carry out naturally cooling after, promptly be prepared into density rating and be 300 grades haydite.
The haydite tap density of preparing is 305kg/m
3, cylindrical compress strength is 1.2Mpa, and water-intake rate is 10.37%, and salient features surpasses the requirement of GB/T 17431.1-1998.
Adjust according to reality, can adopt also that other equipment or means stir, extrusion molding, drying and roasting.
Embodiment nine usefulness isolates prepare gac
Isolate is put into baking oven 100 ℃ of oven dry, broken then.Liquor zinci chloridi with 10～50% soaks, and drains behind the 48h.The isolate that drains is sent in the tube furnace that leads to nitrogen and is carried out pyrolysis processing 0.5～2h, and water is washed till neutrality, and filters.Put into 120 ℃ of oven dry of baking oven, 8～12h again, 200 eye mesh screens are crossed in the oven dry back, promptly make gac.
Fertilizer synergistic effect with following Test Example explanation solid isolate preparation.
1, the field test effect of mater convolvulus application of organic fertilizers.
Crop is a mater convolvulus, establishes fertilizer processing and two sub-districts of contrast conventional fertilizer application, and organic manure application rate is a 40kg/ mu, and the test plot is pressed the chemical fertilizer conventional amount used and handled, as base manure before the mater convolvulus sowing.Other fertilising, it is identical with control measures to water.Sub-district area 15m
2, every some area 30m
2, not establishing repetition, three batches of results do repetition with same plot.At the preceding 1d that gathers, each arda sampling 10 strain measures that plant height, stem are thick, the bright amount of individual plant, single-strain blade number, and the result sees table 1.Survey each regional output when gathering, convert out 667m
2Output.
Table 1 mater convolvulus application of organic fertilizers field test effect
See that from test-results the sub-district of application of organic fertilizers is better than the test plot, have the effect of significantly increasing production and improying productivity.
2, mater convolvulus is used the field test effect of agricultural additive
Crop is a mater convolvulus, establishes two sub-districts of control group and test group, and test group is used common fertilizer consumption+agricultural additive of 15kg/ mu, and control group is pressed chemical fertilizer conventional amount used processing+20kg/ mu common fertilizer, as base manure before the mater convolvulus sowing.Other fertilising, it is identical with control measures to water.Sub-district area 15m
2, every some area 30m
2, not establishing repetition, three batches of results do repetition with same plot.At the preceding 1d that gathers, each arda sampling 10 strain measures that plant height, stem are thick, the bright amount of individual plant, single-strain blade number, and the result sees table 2.Survey each regional output when gathering, convert out 667m
2Output.
Table 2 mater convolvulus is used agricultural additive field test effect
See that from test-results chemical fertilizer has the effect of significantly increasing production and improying productivity after increasing agricultural additive.
3, saline-alkali soil is used the test effect of soil improvement agent
The mixed that salt affected soil and soil improvement agent is different respectively also stirs, and 0%, 0.5%, 1%, 2%, 3%, 5% totally 6 processing, every processing 30 basins are established in test altogether.Soil sample normal temperature after soil improvement agent is handled is placed, and every basin broadcasts sowing 10 Plantula Brassicae chinensis seeds, waters vola water before the sowing, and after planting management process is with the land for growing field crops vegetables.Respectively (0d), seedling growth are contained content, pH value, the total salt quantity that phase (20d) and the water of (40d) testing soil in latter stage of growing are stablized crumb structure prior to seeding, and the result sees table 3, table 4, table 5.
Table 3 soil improvement agent is to the influence of soil granular content
| Soil improvement agent/% | Before the sowing/% | Peak of growing season/% | Growth latter stage/% |
| 0 | 24.7 | 32.1 | 38.5 |
| 0.5 | 25.3 | 39.2 | 43.4 |
| 1.0 | 17.1 | 40.6 | 46.8 |
| 2.0 | 26.8 | 48.5 | 60.6 |
| 3.0 | 27.3 | 48.9 | 61.1 |
| 5.0 | 27.1 | 50.1 | 61.3 |
Table 4 soil improvement agent is to the influence of salt affected soil pH value
| Soil improvement agent/% | Before the sowing | Peak of growing season | Grow latter stage |
| 0 | 8.85 | 8.16 | 8.09 |
| 0.5 | 8.56 | 8.12 | 7.95 |
| 1.0 | 8.54 | 7.89 | 7.83 |
| 2.0 | 8.48 | 7.87 | 7.82 |
| 3.0 | 8.39 | 7.87 | 7.80 |
| 5.0 | 8.36 | 7.78 | 7.79 |
Table 5 soil improvement agent is to the influence of soil salt
| Soil improvement agent/% | Before the sowing/gkg -1 | Growth latter stage/gkg -1 | Decline/% |
| 0 | 3.02 | 2.43 | 19.5 |
| 0.5 | 3.04 | 2.35 | 22.7 |
| 1.0 | 3.04 | 2.22 | 27.0 |
| 2.0 | 3.12 | 2.15 | 31.1 |
| 3.0 | 3.15 | 2.11 | 33.0 |
| 5.0 | 3.16 | 2.09 | 33.9 |
See that from test-results field of vegetables saline-alkali soil is used a certain amount of soil improvement agent and not only had and more significantly change the alkali effect, and can obviously improve the structure of salt affected soil, reduces salt content.Amount of application is big more, and action time is long more, and soil water stability crumb structure content is big more, and the pH of soil is low more, and the range of decrease of soil salt content also increases.
Though the present invention has done detailed description with general explanation and specific embodiments to technical scheme, on basis of the present invention, can to some modifications of do or improvement, this will be apparent to those skilled in the art.Therefore, these modifications or the improvement on the basis of not departing from spirit of the present invention, made all belong to the scope that requirement of the present invention is protected.
Claims (9)
1. a waste water of livestock poultry method for innocent treatment is characterized in that, may further comprise the steps:
1), waste water of livestock poultry is injected equalizing tank, add 0.01～3% auxiliary agent then by weight percentage and carry out aeration, stirring, use ultrasonication simultaneously, the ultrasonic frequency scope is 20～100kHZ, and the ultrasonic intensity scope is 0.1～70W/cm
2, each reaction times of UW is 0.1～60min, is interrupted 5min therebetween, co-processing 48h; Described auxiliary agent is a kind of or mixing in reodorant, the mikrobe regulator;
2), the equalizing tank waste water after the step 1) processing is left through the grid coarse fraction; Remove macrobead; Obtain the flash trapping stage thing, equalizing tank waste water injects separation cell, in separation cell, adds 0.01～3% auxiliary agent by weight percentage and carries out aeration, stirs aerobic treatment 72h; Described auxiliary agent is a kind of or mixing in reodorant, the mikrobe regulator;
3), with step 2) separation cell waste water after handling injects separating device and separates and obtain the secondary isolate and separate waste water;
4), filtration obtains the water up to standard that reusable edible maybe can discharge through adsorbents adsorb with the separation waste water after the step 3) processing, obtains three grades of isolates simultaneously.
2. waste water of livestock poultry method for innocent treatment according to claim 1 is characterized in that: said separating device is a whizzer, and the centrifuge speed scope is 3000rpm/min～100000rpm/min.
3. waste water of livestock poultry method for innocent treatment according to claim 1 is characterized in that: said separating device is a pressure filter, and the canvas press cloth aperture is 100～500 orders, and pressure range is 0.5～2Mpa.
4. waste water of livestock poultry method for innocent treatment according to claim 1 is characterized in that: said sorbent material is a kind of or mixing in sandy soil, volcanic soil, natural clay, silica gel, zeolite, gac or the activated alumina.
5. waste water of livestock poultry method for innocent treatment according to claim 1 is characterized in that: flash trapping stage thing, secondary isolate and/or three grades of isolate as fertilizer sources directly are manured into soil.
6. waste water of livestock poultry method for innocent treatment according to claim 1 is characterized in that: with flash trapping stage thing, secondary isolate and/or three grades of isolates is that raw material carries out the preparation processing, processes solid-state fertilizer, agricultural additive or soil improvement agent.
7. waste water of livestock poultry method for innocent treatment according to claim 1 is characterized in that: with flash trapping stage thing, secondary isolate and/or three grades of isolates is that raw material carries out the preparation processing, and the piece brick is formed in moulding, roasting.
8. waste water of livestock poultry method for innocent treatment according to claim 1 is characterized in that: with flash trapping stage thing, secondary isolate and/or three grades of isolates is that raw material carries out the preparation processing, granulates, and haydite is processed in heating.
9. waste water of livestock poultry method for innocent treatment according to claim 1 is characterized in that: with flash trapping stage thing, secondary isolate and/or three grades of isolates is that raw material carries out the high-temperature activation processing, makes the gac with adsorption function.
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| CN2011100669568A CN102211838B (en) | 2011-03-18 | 2011-03-18 | Method for harmlessly treating livestock and poultry breeding waste water |
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| CN2011100669568A CN102211838B (en) | 2011-03-18 | 2011-03-18 | Method for harmlessly treating livestock and poultry breeding waste water |
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| CN103387309B (en) * | 2012-05-09 | 2015-11-04 | 北京林业大学 | Method and device for controlling water pollution in river ecosystem |
| CN102701849B (en) * | 2012-05-31 | 2015-09-23 | 海南芳绿源科技开发有限公司 | A kind of method utilizing waste water of livestock poultry isolate to prepare fertilizer |
| CN103449650A (en) * | 2013-09-02 | 2013-12-18 | 苏州富奇诺水治理设备有限公司 | Treatment method of meat processing wastewater |
| CN106145220A (en) * | 2016-08-25 | 2016-11-23 | 贵州万山兴隆锰业有限公司 | A kind of manganese ore gives up material for water treatment and preparation method thereof |
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| CN1100069A (en) * | 1993-08-09 | 1995-03-15 | 韩国科学技术研究院 | High-efficiency improved aerobic livestock breeding purification tank |
| JP2002102662A (en) * | 2001-08-21 | 2002-04-09 | Togami Electric Mfg Co Ltd | Livestock wastewater treatment system and solid-liquid separation method in primary settling basin, aeration tank and anaerobic tank to be used for the same |
| JP2003200198A (en) * | 2002-01-11 | 2003-07-15 | Maezawa Ind Inc | Method and apparatus for treating sludge |
| CN1559927A (en) * | 2004-02-17 | 2005-01-05 | 北京师范大学 | Ultrasonic enhanced sewage biological treatment method |
| JP2005095811A (en) * | 2003-09-26 | 2005-04-14 | Jfe Engineering Kk | Method and apparatus for treating organic waste |
| CN1651355A (en) * | 2004-02-05 | 2005-08-10 | 广东省农业科学院农业生物技术研究所 | Method of converting pig farm dung into liquid state micro organism organic fertilizer |
| CN101182092A (en) * | 2007-11-07 | 2008-05-21 | 天津大学 | Biological Sludge Reduction Method |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100069A (en) * | 1993-08-09 | 1995-03-15 | 韩国科学技术研究院 | High-efficiency improved aerobic livestock breeding purification tank |
| JP2002102662A (en) * | 2001-08-21 | 2002-04-09 | Togami Electric Mfg Co Ltd | Livestock wastewater treatment system and solid-liquid separation method in primary settling basin, aeration tank and anaerobic tank to be used for the same |
| JP2003200198A (en) * | 2002-01-11 | 2003-07-15 | Maezawa Ind Inc | Method and apparatus for treating sludge |
| JP2005095811A (en) * | 2003-09-26 | 2005-04-14 | Jfe Engineering Kk | Method and apparatus for treating organic waste |
| CN1651355A (en) * | 2004-02-05 | 2005-08-10 | 广东省农业科学院农业生物技术研究所 | Method of converting pig farm dung into liquid state micro organism organic fertilizer |
| CN1559927A (en) * | 2004-02-17 | 2005-01-05 | 北京师范大学 | Ultrasonic enhanced sewage biological treatment method |
| CN101182092A (en) * | 2007-11-07 | 2008-05-21 | 天津大学 | Biological Sludge Reduction Method |
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