CN1727085A - Cleansed handling domestic garbage - Google Patents
Cleansed handling domestic garbage Download PDFInfo
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- CN1727085A CN1727085A CN 200510025781 CN200510025781A CN1727085A CN 1727085 A CN1727085 A CN 1727085A CN 200510025781 CN200510025781 CN 200510025781 CN 200510025781 A CN200510025781 A CN 200510025781A CN 1727085 A CN1727085 A CN 1727085A
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Abstract
A technique for treating life garbage without environmental pollution includes such steps as using deodoring agent and microwave for removing odor smell and killing bacteria, cyclically treating the seeped liquid, separating organic substance from inorganic one, high-temp high-pressure degradation of organic substance to kill microbes and obtain clean raw material, preparing fuel blocks from the inorganic substance, stabilizing fly ash, mixing it with fuel cinder, making building material, treating sewage by magnetized biologic filter pool and magnetized chemical flocculating pool for cyclic use, and reclaiming sludge.
Description
The invention discloses Cleansed handling domestic garbage
Technical field:
The invention belongs to organic solid castoff and clean processing and comprehensive utilization of resources field
Background technology:
At present, three kinds of methods are adopted in domestic rubbish disposal both at home and abroad basically; Burning, compost, sanitary landfill method; Also have the 4th kind of method, the comprehensive treatment method of so-called above-mentioned three kinds or two kinds method combinations.Burning method is innoxious more thorough through high temperature incineration, but the flying dust of generation 3%-4% contains exceed standard dioxin and heavy metal meaning dangerous material discarded object, needs after-treatment.Method has the high-temperature fusion that surpasses 1000 ℃ to make it vitrifying; Plastics fusion embedding adds the cement embedding behind the stabilizing agent.In a word, after the processing, need the secondary landfill disposal, cost is very high.Burn the lime-ash that produces 15%-20% and need landfill disposal, or transport outside the factory, do other utilization.It is strong carcinogenic substance that the flue gas that burning method produces contains dioxin, needs the high temperature through 1200 ℃ through the dual firing chamber of incinerator, and the time of staying is not less than 2S, and the dioxin branch is taken off.So far the dioxin that exceeds standard both at home and abroad discharging, burning method is quite a lot, and burning method also wastes energy.The employing burning electricity generation that has reclaims electric energy, but has only 30% just to be converted into electric energy in the heat energy, and 70% heat energy is not utilized, and has slatterned.Original useful resource can directly be recycled in the rubbish, or handles the back and recycle, but burning method has but wasted.The burning method investment is very high, and operating cost is also very high.
Composting process was carried out compost fermentation with 20 days-30 day time with rubbish exactly; Aerobic compost and anaerobic composting are arranged; Also have aerobic and the compost anaerobism combination; Static compost and dynamic compost are arranged.In a word, utilize the natural microorganisms in the house refuse to carry out lengthy fermentation exactly.The high temperature that produces more than 55 ℃ is killed most of disease bacterium and worm's ovum.But resistant to elevated temperatures bacillus is not gone out.It is dead to give birth to life and death through natural microorganisms, the long-time compost fermentation that goes round and begins again, most nutriments in the rubbish have been exhausted, the only remaining difficult humus that utilizes again and the inhibitory substance of microbial death thalline and generation are microbial toxin, make microorganism can not continue the heat production of fermenting again, so-called stabilisation that Here it is has been finished the whole process of compost fermentation.Because the perishable organic matter in the rubbish consumes in a large number, become the greenhouse gases volatilization, make about waste reduction to three/one.But heavy metal wherein can not be decomposed by microorganism, and volatilization and is stayed in the garbage compost, make it to be concentrated, increment nearly about three times.Compost contains heavy metal amount height, contains the microbial toxin height, contains the harmful bacillus category that is difficult for being killed, and can not do agricultural fertilizer.For a long time, all garbage compost is used as both at home and abroad the nutrition soil of greening usefulness or be soil conditioner.But in recent years, the U.S., the soil conditioner of greening usefulness is not advocated to make of garbage compost in Europe.For avoiding ecological risk, can only be used as the overburden soil of landfill factory.Just carry out landfill disposal.Also produce a large amount of toxic and harmfuls in the composting process, as greenhouse gases and foul gas, make mosquitos and flies parasitic in a large number, environmental sanitation is very poor, and epidemic infectious diseases very easily takes place.Compost easily produces fuel gas, CO, H
2, CH
4, burning and blast often take place.
Sanitary landfill method is the another kind of form of compost fermentation method, and its Biological Principles is similar with fermentation method.The percolate that produces is easily biological-degradable not, needs with materialization and biochemical Combined Treatment, and operating cost is very high.Landfill produces inflammable biogas and often burns, blast.Landfill method takies a large amount of soils, waste land resource.Because security consideration, after the closing, except that greening, can not do any utilization in 10 years.The same in the landfill process with compost, produce a large amount of toxic and harmfuls, greenhouse gases and foul gas have a large amount of mosquitos and flies parasitisms, easily produce epidemic infectious diseases.For overcoming the drawback of above three kinds of methods, the present invention adopts the processing method that cleans, thoroughly sterilization and deodorization.In processing procedure, adopt to clean circulation process method, do not produce secondary pollution, not efflux wastewater, waste gas, waste residue, do not produce greenhouse gases and foul gas, do not have the mosquitos and flies parasitism.Adopt the resource thing, the recycling of energy thing clean processing method, reach at last, the result of no emission, no residue.
Summary of the invention:
Rubbish sealing transport vehicle is transported to treatment plant after the car load weighing, through seal channel, enter rubbish dump, temporary between.Rubbish is dumped to broken bag, temporary hole with sealing car tipping bucket, dumped in the process after the bag-breaking machine broken bag, open the deodorant spray pump, deodorant is released from the shower nozzle spraying through pump pressure, and the microorganism in the rubbish is by the H in the deodorant
+And Fe
+ 2Institute kills.Deodorant is the ferrous acid waste liquid of sulfur acid that mechanical industry pickled plate produces, and containing acid concentration is 15%-18%, Fe
+ 2Be 5%-8%, spray amount is the 3%-10% of rubbish volume.Fe in the deodorant
+ 2Generate FeS and eliminated stench with the sulfide generation chemical reaction that produces stench.Acid effect makes the PH of rubbish reach 4-5.5.Most microorganisms of stench have been suppressed to produce.The deodorant residue that this kind method produces is transported in the organic high-temperature high-pressure chemical catalytic degradation jar as catalyst through pump together with percolate.Also reached simultaneously treatment of wastes with processes of wastes against one another purpose.Lower than the organic deodorant cost that adopts at present, reduce investment outlay than biofilter deodorizing, save operating cost.Rubbish water content after the deodorizing is higher, influences sorting, through the ripple drying machine rapid draing that declines of crawler belt or gallery, dehydration.Be 1min-5min drying time.Temperature is 60 ℃-100 ℃.Because the alternation electrostatic field of microwave from the inner frictional heat that produces the alternation electrostatic field of rubbish, also plays degradation simultaneously to organic matter.Further sterilization effect is also played in the fast dewatering effect simultaneously.The microwave dryer discharging is transported to that magnetic deironing device, screening machine, artificial separation platform, winnowing machine, sorting tap a blast furnace, copper, aluminium reclaim.Inorganic matters such as screening, the silt particle that goes out of selection by winnowing, stone, glass, pottery are with the inflammable plastics that sub-elect and bamboo wood, through pulverizing, batching, adding lime again and add water furnishing lime white and make adhesive, and dosage is the 1%-6% of combustibles and inorganic matter total amount.Inorganic matter is no more than the 15%-35% of total amount.Use the pressure forming machine moulding, pressure is 20T/cm
3-200T/cm
3, fuel slug is of a size of diameter 6mm-100mm.Water content 30%-50%.Make the drying machine of thermal source with waste heat, fuel slug is dried to water content≤30% o'clock, enters the fuel gas producer, carries out pyrolysis, gasification, destructive distillation and handles, and produces the fuel gas that cleans.Fuel slug enters from fuel gas producer top, and hot-air and vapours enter from furnace bottom respectively, and fuel gas is gone out from stove top, and boiler ash sediment is discharged from furnace bottom.Hot water or steam that body of heater is done interlayer water flowing cooling generation outward advance waste heat boiler.Fuel gas removes flying dust respectively, removes tar through the electric fishing storage, and this is ripe public technology.Flying dust is handled with 5% vulcanized sodium, and dosage is in sulphion, for the 1-5 of total metals doubly.Make vulcanized sodium generate the sulfide of heavy metal, be insoluble in water and be in stable state with the heavy metal in flying dust reaction.Fuel gas after the purification mainly contains inflammable CO and H
2, CH
4On a small quantity, enter waste heat boiler, burning produces hot-air and superheated steam or saturated vapor; Be used further to the fuel gas producer as thermal source and vaporization agent.Hot air temperature is 150 ℃-800 ℃, superheat steam temperature is 150 ℃-450 ℃, fuel gas producer temperature is controlled at 800 ℃-1800 ℃, pressure is controlled at 0.1MPa-4MPa, steam consumption is that the 1Kg pure carbon needs saturated vapor 0.3Kg-0.8Kg in the fuel slug, as being 0.2Kg-0.6Kg with superheated steam.Another part of superheated steam and hot blast is used for the chemical catalysis degraded jar of HTHP; Superheated steam pressure is 0.3MPa-2.0MPa, and temperature is 120 ℃-400 ℃.Make the organic matter macromolecules degradation become little molecule, and the solid ammonia of Maillard reaction takes place, reach chemical stabilization again through molecular rearrangement.Cleaning material after the processing, ordorless, have only burnt the paste or coffee formula fragrance; Can be as organic nitrogenous fertilizer, organic nitrogen composite fertilizer; Can be as fiber feedstuff; Also can be as wood-based plate; Cement, concrete excite, reinforcing agent; Many-sided purposes such as ecological pigment.Processing method comprises the chemical catalysis hydrolysis process; The solid ammonia treatment of chemical catalysis hydrolysis; The solid ammonia treatment of steam catalytic pyrolysis; The expanding treatment of HTHP catalytic pyrolysis; The percussion flow of HTHP catalytic pyrolysis is handled; The solid ammonia treatment of high-temperature and high pressure electrochemistry catalyzing hydrolysis etc.The tail gas that the chemical catalysis degraded produces contains formic acid, acetate, is neutralized into calcium formate, the recyclable utilization of calcium acetate with lime.Specifically see patent of invention: " a kind of high nutrient composite fertilizer and the production method thereof " patent No.: 2L961.20682.9, application patent of invention: " the chemical stabilization treatment technology of house refuse " number of patent application: 200510025613.1.
The tar that the electricity consumption trap separated during fuel gas purified is incorporated in the fuel as combustion adjuvant.The flying dust of stabilized processing and boiler ash sediment were mixed in and do construction material together during fuel gas purified; As non-burning brick, building block, floor tile, kerb.Adhesive therefor is a sodium metasilicate, and modulus is 10-30, and dosage is the 10%-30% of solid portion; Curing agent is a prodan, and dosage is the 5%-30% of sodium metasilicate consumption.The required pressure of extrusion forming is 50T/cm
3-1000T/cm
3, be 1h-24h hardening time, can replace cement to realize solidifying fast, without health 28 days, but only needs to solidify just construction application of 5h-12h, saves occupation area of equipment, improves output.Fuel gas purifies the NH that last water absorption itself produces
3, it generates sulphur hydrogenation ammonium and adds 1 again with hydrogen sulfide generation neutralization reaction, and 4-naphthoquinones-2-ichthyodin is made catalyst, regenerates ammoniacal liquor and separates out sulphur with the former reaction.Catalyst is through drum air oxidation regeneration, recycling.Air capacity is 1-5 a times of amount of liquid.NH
3/ H
2S is the unnecessary NH of 0.5-0.9 accumulation
3The water evaporation and concentration becomes liquefied ammonia to be used for composting.The sulfur recovery utilization of taking off can join and replenish moderate-element sulphur in the fertilizer.
The sewage that junk-free treatment plant is produced has the flushing vehicle, flushing device container, the sewage and the sanitary sewage on flushing ground.The processing method that adopts magnetic field-intensification BAF and magnetic field-intensification flocculation filter tank to combine; Handle the reclaimed water standard of national regulation; Recycling is as flushing water, and fire demand water is afforested water.The mud that produces is failed and is got back to circular treatment in the high-temperature high-pressure chemical catalytic degradation jar.The entire sewage treatment system is handled the generation that has alleviated stench significantly through magnetization.Whole system is a sealing system.Each treatment facility is provided with passage, draws blast pipe from high 20m, high altitude discharge with air-introduced machine through negative pressure.Do not have stench around the sewage disposal system, do not have mosquitos and flies to occur.Flushing sewage and sanitary sewage enter the regulating reservoir homogeneous.Magnetize processing through magnetizer, enter the mud filter tank then.Replace sedimentation basin with the mud filter tank, polystyrene foam plastics is equipped with on top, mud filter tank, and particle diameter is 1mm-5mm, the thick 2m-5m of filtering layer.There is the perforation pressing plate filtrate top, and function is that floating filter material can not be taken out of with water, plays and holds back and force the contact flocculation effect.Because sludge microbe concentration height, but anti impulsion load.The mud filter tank has simultaneously aerobic, hold concurrently oxygen and three kinds of effects of anaerobism.Not only remove COD, BOD, SS is effective, denitrogenation, phosphor-removing effect is also fine.Magnetic field-intensification is handled; The one, strengthen dissolved oxygen concentration; The 2nd, stimulate microbial activity in the mud, make it quick breeding, strengthen the ability of decomposing organic matter; Strengthen the sludge absorption activity, clean-up effect is improved.Mud filter tank water conservancy load is 1m
3/ m
2H-6m
3/ m
2H.The mud order is 5 days-10 days.The water outlet of mud filter tank is behind magnetizer, through the one-level vapour biofilter of exposing to the sun; Water outlet behind magnetizer, enters the secondary BAF again; Hydraulic load is all 1m
3/ m
2H-6m
3/ m
2H.Water outlet adds iron, aluminium, silicon, ternary polymerization inorganic polymer flocculant, takes dosing before the pump, mixed mode through the laggard flocculation tank of magnetizer, and the time of staying is 0.3h-1h, and dosage is 80mg/L-200mg/L, then theory of evolution flocculation filter tank; The water conservancy load is 5m
3-10m
3/ m
2H, through hold back absorption, building bridge purifies water.Its water outlet is through the sterilization of high-pressure electrostatic disinfection sterilization device, sterilization.The high-pressure electrostatic AC-DC; Voltage 1 Wan Fu-30,000 volt; Current strength is 1 milliampere-0.001 milliampere; Flow velocity 1m/S-50m/S, the water outlet total number of bacteria, colititer all meets the miscellaneous water standard of national regulation; Can be as wash water, fire demand water, greening water.The magnetizer magnetic field intensity adopts 1000 Gausses-8000 Gauss; The magnetic field number of transitions is 3 times-20 times; Flow velocity 1m/S-50m/S.Aeration adopts molecular sieve oxygen-enriched aeration machine.Oxygen-enriched content is 〉=90%, and aeration rate is 1-7 with the ratio of sewage quantity: 1, and respectively to the mud filter tank, the firsts and seconds BAF is used the micro porous aeration head air inlet from the bottom.The cycle of operation of mud filter tank and secondary BAF is all 〉=48h.Stop into water during the filtrate backwash, reduce water level, filtrate is loose thereupon to be opened, and contained flocculation mud rapid precipitation is to the bottom, pond, and the secondary BAF washes filtrate from bottom to top with vapour, aquapulse mode; Flushing water adopts handles back water, and washing water quantity seldom is the 1%-5% of the water yield after handling.Because of polystyrene foam plastics is hydrophobic, do not adhere to mud, backwash is easy to.Secondary BAF backwash mud is after concentration basin concentrates, and supernatant advances regulating reservoir, and thickened sludge is squeezed into the mud filter tank with sludge pump; Mud in the mud filter tank can decompose major part voluntarily because of underrun, and residual active sludge carries out circular treatment with sludge pump input high-temperature high-pressure chemical catalytic degradation jar.The chemical flocculation filter tank cycle of operation is 24h-48h, and backwash is adopted and handled back water, the same biofilter of washing water quantity and backwashing manner.The chemical sludge of backwash is after concentrating, and supernatant advances regulating reservoir, and concentrating chemical mud is with containing sour ferrous sulfate waste liquid dissolved iron, aluminium, silicon, and pH value was controlled at 3 o'clock, advanced centrifuge, and dissolved iron, aluminium, silicon supernatant advance waste liquor storage tank.The chemical sludge that mud cake promptly separates flocculant is with two kinds of method circular treatment; The one, same flying dust, slag mix and do building material; The 2nd, but theory of evolution catalytic degradation jar, circular treatment.
House refuse clean treatment technology because sewage, tail gas, thick fuel gas, waste residue are all adopted and clean processing, recycling, the result does not have residue, does not efflux to factory and lets alone what pollutant and residue.
Cleansed handling domestic garbage also is applicable to the processing to people, animal, poultry manure; Be applicable to tangerine bar, residue, the offal treatment of agricultural, forestry; Be applicable to animal and plant to be the processing that raw material is processed the organic waste that is produced; Be applicable to the processing of the organic waste that fermentation industry produces; Be applicable to the processing of sewage treatment plant residual active sludge.
The specific embodiment:
Accompanying drawings embodiment
1 embodiment is described in conjunction with the accompanying drawings
House refuse is transported to treatment plant by the sealing transport vehicle, weighs through truck scale earlier, passes through garbage shaft then, to rubbish topple over temporary between.At once, open noncorrosive pump, spray from what ferrous sulfate contained the acid waste liquid basin to temporary rubbish and contain acid concentration 17%, contain Fe through being arranged on stainless steel shower nozzle between temporary by the bag-breaking machine broken bag
+ 26% deodorant, sprinkling is vaporific, and spray amount is 3% of a rubbish volume.Behind the rubbish contact deodorant, stink disappears at once.Pump be located at rubbish temporary between in the bottom pump hole.After having sprayed, close the liquid flowing valve of basin to pump.A rubbish deodorant residual liquid part is delivered to high-temperature high-pressure chemical catalytic degradation jar replenishing as catalyst through pump together with the original percolate of rubbish.Through the temporary rubbish of deodorant processing, for the next part choosing creates conditions.For the horse back drying is taken off moisture content, be transported to the crawler type microwave dryer with conveyer belt and carry out quick dewatering drying; Temperature is 80 ℃, and be 5min drying time.Drying also plays the effect of sterilization simultaneously.After the microwave drying, be sent to separation system with conveyer.Iron and steel is told in elder generation's magnetic separation, reclaims; Screening, selection by winnowing copper aluminium reclaim; Battery reclaims; Send special disposal mechanism.Screening, selection by winnowing are told the bamboo wood and the plastics of inorganic matter, silt particle, stone, glass, pottery and inflammable large-size, are transported to the fuel gas generator system, make fuel slug; Screening, selection by winnowing go out to contain organic matter 90% with enterprising basin, enter HTHP catalytic degradation system then, carry out the chemical catalysis degradation treatment; Go to the composting system through blowdown, screening, drying again; Tail gas through the absorption tower, the neutralization reaction treatment system.Specifically see patent of invention: " a kind of high nutrient composite fertilizer and production method thereof ", the patent No.: 2L961.20682.9.Application patent of invention: " the chemical stabilization treatment technology of house refuse ", number of patent application: 200510025613.1.
The waste heat boiler that the superheated steam of HTHP catalytic degradation system and drying and dehydrating are connected from the fuel purifying gas producer with hot-air.
2 embodiment are described in conjunction with the accompanying drawings
Put from the silt particle list under the inorganic matter sieve of sorting, degeneration system.Stone, glass, pottery enter pulverizer after crusher in crushing becomes to be not more than the fritter of 10mm, be ground into 〉=powder of 50 sieve meshes; Advance the inorganic matter feed bin together with silt particle.Big part bamboo and wood from separation system advances big part disintegrating machine, is broken into the fritter bamboo wood that is not more than 10mm; Advance flour mill then; Be milled to 〉=the bamboo wood powder of 60 sieve meshes, advance bamboo wood powder feed bin.Plastics from separation system enter shear crusher; Be broken into and be not more than the wide plastic strip of 3mm; Through fine crusher, be ground into the fragment of about 2mm * 3mm again, advance the plastics feed bin.The lime water is adjusted to the pulpous state material of thickness, and the ratio of mud is 3: 1.Four kinds of compositions advance the computer proportioning machine by weight proportion; Inorganic matter accounts for 15%, plastics 65%, and bamboo wood accounts for 10%, and lime accounts for 10%, accounts for 2% from the tar of the tar basin of fuel gas cleaning system, and laggard pressure forming machine stirs; Pressure is 200T/cm
2, behind punch forming Φ 20mm * 30mm, drying machine drying after water content is not more than 30%, is advanced the screening machine screening, and oversize belongs to the proper fuel piece, advances bunker.Screenings returning pressure make-up machine is briquetting again.
Fuel slug is sent the fuel gas producer from bunker to conveyer and is entered from the top; Expect high 3m, the body of heater external diameter is 1.5m, and height is 7.5m.With 285
#Carbon steel is made housing, and the two-layer genus iron refractory liner of casting, and thickness is 200mm., and operating pressure is 2.5MPa, and the outlet external diameter is 0.9m, air preheat to 200 ℃.Fire grate has the rotation raker stirrer, can move vertically, on coaxial a revolving scraper is arranged, and can scrape the ash charge lock hopper to lime-ash.Whole fuel gas producer is told ash bed from bottom to top, gasification layer, destructive distillation layer, drying layer.From logical hot-air of furnace bottom fire grate and water vapour.The weight ratio of water vapour and hot-air is 1: 2, and operating pressure is 1.6MPa.Keep stove burning zone temperature to be minimum 900 ℃, the highest 1600 ℃.Fuel gas is extracted out from suitable for reading and gasification layer two, advances the fuel gas cleaning system; Electrostatic precipitator is taken off flying dust; The detar of static trap; After water absorption tower deamination, the desulfurization, enter waste heat boiler, second-time burning produces superheated steam and hot-air; A part is supplied with the fuel gas producer; A part is supplied with the high-temperature high-pressure chemical catalytic degradation system that organic matter is handled.The flying dust that the fuel gas producer produces comes along building materials system system building materials with boiler ash sediment after the vulcanized sodium stabilization processes.
3 embodiment are described in conjunction with the accompanying drawings
Thick fuel gas from the fuel gas producer can be very clean with the flying dust removal through double helix deduster and the series operation of board-like static trap, and this is more ripe disclosed technology.Containing heavy metal in the flying dust need carry out stabilization processes and make it to be difficult for by water and acid rain dissolving.Flying dust advances the stabilization reactions jar, and 5% sodium sulfide solution sprays stirring, reaction time 1h with pump to retort in jar, and dosage is 3 times of amounts that bright sulfur is counted total metals in the flying dust, and heavy metal is formed sulfide, is difficult for dissolving.Advance the flying dust storage tank of stabilisation then.After board-like static trap is removed flying dust, enter tubular type static trap and capture tar, this also is ripe disclosed technology.After removing tar, tar advances basin, for the combustion-supporting usefulness of fuel slug additive.The tubular type static trap into high temperature resistant sack cleaner that comes out is further removed micro-flying dust.Flying dust advances the stabilization reactions jar, the laggard storage tank of stabilisation.Pearl filler is arranged, with micro-H in the plastics
2The S reaction generates a part of CaS and enters in the flying dust.After last one cloth bag removes flying dust, enter the absorption tower, water absorbs the ammonia in the fuel gas, generates ammoniacal liquor and absorbs hydrocyanic acid.With in the ammoniacal liquor nature and hydrogen sulfide generate sulphur hydracid ammonium and cyanogen hydrogen ammonium under catalyst n Q effect, regenerate ammoniacal liquor and separate out sulphur.Catalyst n Q consumption is 2% of a sulfur content.Sulfur recovery is incorporated in the organic fertilizer.Catalyst plays catalytic action again with air aeration, oxidation, regeneration cycle.NH
3/ H
2S is 0.7.The surplus ammonia of desulphurization reaction jar runs up at 15% o'clock, enters surplus ammonia evaporation and concentration jar and heats 90 ℃, and surplus ammonia evaporation is compressed into liquefied ammonia with ammonia compressor and goes the solid ammonia system of composting.Fuel gas after the purification advances the waste heat boiler combustion heat supplying.After flying dust still carries out stabilization processes with pre-treatment with 5% sulfuration, advance the computer proportioning machine together with lime-ash, the sodium silicate binder of Autoadhesive basin adding simultaneously dosage is 18% of a solid amount, the sodium metasilicate modulus is 30, and adding adhesive modifier is 1 ‰ of adhesive sodium metasilicate for the PAMC dosage.Adding curing agent prodan dosage is 16% of sodium metasilicate, and after the weighing by the computer proportioning machine, pure mixing time is 3min.Enter pressure forming machine, pressure is 100T/cm
2, this is ripe open equipment, after the moulding, enters between temporary temporary.3h promptly solidifies.By stacking machine, piling is put in storage again.Make-up machine is produced different product with different moulds; Can produce non-burning brick, building block, floor tile, kerb, partition plate etc.The feature of this kind construction material is to make adhesive without health 28 days without cement.3h solidifies, and 10h reaches maximum intensity, reaches state-set standard.
4 embodiment are described in conjunction with the accompanying drawings
Sewage such as vehicle that domestic rubbish disposal factory produces wash sewage, equipment container flushing sewage, and ground flushing sewage and sanitary sewage all enter regulating reservoir, homogenize.Regulating reservoir time of staying 4h enters the mud filter tank by magnetizer, does not establish sedimentation basin.The water conservancy load in mud filter tank is 1m
3/ m
2H enters magnetizer then.After the magnetization, advance the one-level BAF; After the magnetizer magnetization, advance the secondary BAF again.One-level, the water conservancy load of secondary BAF is all 3m
3/ m
2H.The magnetizer magnetization is advanced in one secondary BAF water outlet again, then, advances the flocculation reaction groove.Flocculant is iron-aluminium-silicon ternary polymerization inorganic polymer flocculant, after the metering, drops into before pump, after pump is mixed fast, after the magnetizer magnetization, advances the flocculation reaction groove.Dosage is 100mg/L; Reaction time is 20min, then theory of evolution flocculation filter; The water conservancy load is 5m
3/ m
2H.Clean-up effect is from regulating reservoir water outlet CODcr 500mg/L, SS150mg/L, chemical flocculation filter tank water outlet COCcr＜10mg/L, BOD
5＜8mg/L, NH
4-N＜10mg/L, turbidity are 2 degree, meet the miscellaneous water standard of national regulation fully.The water outlet of chemical flocculation filter tank is sterilized through the high-pressure electrostatic disinfection sterilization device; 10,000 volts of DC voltages, DC current are 10 microamperes, and flow velocity is 20m/S, total number of bacteria, and colititer all meets the miscellaneous water standard of national regulation.The mud filter tank, the secondary BAF, the chemical flocculation filter tank, filtrate is all the floating filter material that polystyrene foam plastics is a material; Particle diameter 3mm40%, 2mm60%, filter material layer height 4m, total height is 7.5m.Backwashing system is established in the filter tank, and backwashing water is for handling back water, and washing water quantity is for handling 2% of the water yield, and adding tolerance is 30% of washing water quantity.During flushing, reduce water level earlier, make floating filter material loose downwards, the mud that is adsorbed is bulk and drops to bottom, biofilter sludge bucket rapidly.Squeeze into the mud filter tank with sludge pump then.Because of polystyrene foam plastics is a hydrophobic type, foundry loam not, fine flushing.The cycle of operation of secondary BAF is all 48h.The mud filter tank is because of underrun, and the mud major part is decomposed voluntarily, and surplus a small amount of activated sludge can be got back to chemical catalysis degeneration system circular treatment, does not efflux mud.Handle back water and can do flushing water, fire demand water, greening water, not outer draining again.After chemical sludge in the chemistry filter tank concentrated, supernatant advanced regulating reservoir.Thickened sludge advances centrifuge with containing the ferrous waste liquid dissolving of sour sulphur, and centrifugal mud cake advances dissolving tank.Dosage ammonium PH is controlled to be 3.Iron, aluminium, the silicon inorganic polymer flocculant of dissolving are returned the flocculant groove with pump and made flocculant again and replenish, and be recycling, regularly adds new flocculant.The mud of precipitation enters the chemical catalysis degeneration system; Also can join in flying dust, the boiler ash sediment and make building materials.
Molecular sieve oxygen-enriched aeration machine aeration is all used in mud filter tank, two stage biological filter tank.Oxygen content is 90%, aeration rate with the water yield it. than being 1: 1.The magnetic field intensity of magnetizer is 2500 Gausses, and the magnetic field number of alternations is 8 times, and flow velocity is 20m/S.Mud filter tank, secondary BAF and chemical flocculation filter tank all seal, and all are provided with passage, and with the 20m height, the blast pipe of Dg300 is connected, the static pressure exhaust of 20mm high-altitude.Making does not have around the treating apparatus stench to produce, and does not have the mosquitos and flies parasitism yet, reach fully clean, recycling, not externally discharged waste water and mud.
Claims (8)
- House refuse clean treatment technology, it is characterized in that from rubbish topple over, stench when temporary handles; The recycling treatment of organic matter, inorganic matter after the sorting; Clean the generation of combustion gas heat energy; The recycling treatment of sewage, flue gas, tail gas, flying dust, slag all adopts to clean; Circulation, the method for recycling reach no residue at last.
- 2. the rubbish in the Cleansed handling domestic garbage as claimed in claim 1 is toppled over, and the stench when temporary is handled, and it is characterized in that, adopts the sour ferrous sulfate waste liquid that contains of pickled plate to do deodorant; The concentration that contains acid is 15%-18%, contains Fe + 2At 5%-8%, employing is established deodorant basin and ejecting device between temporary, the processing of spraying of rubbish between temporary, spray amount is the 2%-10% of rubbish volume, deodorant is also reinstated pump as catalyst with percolate one simultaneously and is transported to the treatment of organic matters of organic device, carries out the circular treatment of the chemical catalysis degraded of HTHP; Excessive moisture in the rubbish adopts microwave dryer to carry out the rapid draing processed, reaches the purpose of further sterilization simultaneously.
- 3. in the Cleansed handling domestic garbage as claimed in claim 1, the organic recycling treatment that sub-elects, it is characterized in that, the organic matter that sub-elects comprises that the kitchen is surplus, the chemical synthetic fiber of the natural fiber of paper, woody and draft class plant, fruit skin, nuclear slag, animal skin, leather, dry goods, staple fibre, non-plastics, adopt the chemical catalysis biodegrading process of HTHP to handle, temperature is greater than 120 ℃, pressure is greater than 0.2MPa, processing time, the chemical catalysis degradation process method comprised greater than 2min; Chemical catalysis hydrolysis, solid ammonia treatment, steam catalytic pyrolysis, solid ammonia treatment, HTHP catalyse pyrolysis, expanding treatment, HTHP catalytic pyrolysis, percussion flow are handled, high-temperature and high pressure electrochemistry hydrolysis, solid ammonia treatment, its result thoroughly kills all microorganisms, thoroughly deodorizing, complete stabilityization cleans, the organic material of cleaning is provided for comprehensive utilization, can be made into organic nitrogenous fertilizer, organic nitrogen composite fertilizer, animal origin feed, wood-based plate, cement, concretely excite, reinforcing agent, ecological pigment.
- 4. in the Cleansed handling domestic garbage as claimed in claim 1, the generation of heat energy, it is characterized in that the plastics after the sorting, bamboo wood and inorganic matter such as silt particle, stone, glass, pottery is through pulverizing, batching, mix, fuel slug is made in extrusion forming, carry out pyrolysis, gasification, destructive distillation is handled, produce thick fuel gas, through purifying electric precipitation, electricity removes tar, water absorbs in the ammonia and hydrogen sulfide, desulfurization under the catalyst action is handled, and forms sulphur hydracid ammonium, and catalyst is 1,4-naphthoquinones-2-ichthyodin (NQ), dosage is 1-5 a times of sulphion total amount, be blown into air simultaneously, air capacity is 1-5 a times of amount of liquid, and at this moment oxygen generates ammoniacal liquor and separates out sulphur in sulphur hydracid ammonium and the air under the NQ effect; Cyanogen hydrogen ammonium generates ammonium thiocyanate with reaction of Salmon-Saxl, and NQ is oxidized to oxidation state continuation catalysis, NH by going back ortho states under the oxygen effect 3/ H 2S＞0.5-0.9, sulphur recovery, excess ammonia reclaims, produce clean fuel gas, through the waste heat boiler clean burning, produce water vapour and hot-air as supplying with gas producer and handling the organic energy, the flying dust of dedusting contains heavy metal to carry out hybrid reaction with spray pattern with flying dust with 5% vulcanized sodium and makes the heavy metal in the flying dust form sulfide, reach stabilisation and be the indissoluble state, dosage is with the bright sulfur ionometer, for the 1-5 of total metals doubly, tar mixes in the fuel slug, cooks combustion adjuvant, stabilisation flying dust and lime-ash system building materials, the sulphur of taking off is incorporated in the organic fertilizer, replenishes moderate-element sulphur.
- 5. fuel slug enters gas producer and carries out pyrolysis in the Cleansed handling domestic garbage as claimed in claim 4, gasification, destructive distillation is handled, produce thick fuel gas, it is characterized in that, fuel slug is of a size of diameter 6mm-100mm and enters from furnace roof, the hot-air and the water vapour that produce from waste heat boiler enter from the furnace bottom fire grate respectively, ashes are discharged from the bottom, the reaction in furnace temperature is controlled at 800 ℃-1800 ℃, pressure is controlled at 0.1MPa-4.0MPa, water vapour is saturated vapor or superheated steam, its consumption is a 1Kg pure carbon in the vaporising fuel piece, and required saturated vapor is 0.3Kg-0.8Kg, is 0.2Kg-0.6Kg as superheated steam.
- 6. flying dust, slag treatment in the Cleansed handling domestic garbage as claimed in claim 1 all adopt and clean, the method of recycling, the flying dust that it is characterized in that stabilized processing, the slag that produces with gas producer mixes as construction material again; Is 10-30 as non-burning brick, building block, floor tile, roadside brick, adhesive therefor for the sodium metasilicate modulus, dosage is the 10%-30% of solid portion, modifier polyacrylamide dosage is 1 ‰ of a sodium metasilicate-5 ‰, curing agent is a prodan, dosage is the 5%-30% of sodium metasilicate, and the required pressure of extrusion forming is 50T/cm 2-1000T/cm 2, be 1h-24h hardening time, fuel gas is removed tar through the electric fishing storage and can be incorporated in the fuel slug, as combustion adjuvant.
- 7. the sewage in the Cleansed handling domestic garbage as claimed in claim 1 adopts the method that cleans recycling, it is characterized in that, the kind of sewage has flushing vehicle, equipment, container, the sewage on ground, sanitary sewage to enter regulating reservoir respectively, volume is 4-5 a times of the water yield, after magnetizer is handled, enter the mud filter tank, volume is 4-7 a times of sewage quantity, and the water conservancy load is 1m 3-6m 3/ m 2H, wherein adopting polystyrene foam plastics is the floating filter material of material, the thick 2m-5m of filtering layer, particle diameter is 1mm-5mm, the water outlet of mud filter tank is again after magnetizer is handled, advance the one-level BAF, the water outlet of one-level BAF is behind magnetizer, enter the secondary BAF again, concrete parameter adopts molecular sieve oxygen-enriched aeration mode fully with the one-level BAF, respectively to the mud filter tank, BAF is aeration respectively, oxygen-enriched content 〉=90%, and aeration rate is 1-7 with the ratio of sewage quantity: 1; The cycle of operation is 24h-48h, and the backwash water yield adopts the mixed backwash mode of carbonated drink for handling the 1%-3% of the back water yield, and air capacity is the 10%-50% of the water yield, and the backwashing water precipitation concentrates, and supernatant returns regulating reservoir, and thickened sludge enters the mud filter tank; Secondary BAF filtrate size, thickness of filter bed, with mud filter tank filtrate, the water outlet of secondary BAF adds iron, aluminium, silicon ternary polymerization inorganic polymer flocculation agent, dosage is 80mg/L-200mg/L, mix before the pump, after magnetizer is handled, advance flocculation tank, after the time of staying is 0.3h-1h, theory of evolution flocculation filter tank, the same BAF of technological parameter, difference, without oxygen-enriched aeration, the water conservancy load is 5m 3-10m 3/ m 2H, after the high-pressure electrostatic disinfection sterilization device is used in its water outlet, advance clear water reserviors, handle back water reusable edible and do wash water, fire demand water, greening water, sewage is after this method is handled, the miscellaneous water standard that meets national regulation, the residual active sludge in the mud filter tank turn back in organic matter high temperature, the high pressure catalytic degradation jar, and be recycling; The magnetizer magnetic field intensity is 1000 Gausses-8000 Gausses, and the magnetic field number of transitions is 3-20 time; Flow velocity is 1m/s-50m/s; The voltage of high-pressure electrostatic sterilizer is 1 Wan Fu-30,000 volt, and electric current is the amp-0.001 person of outstanding talent's peace of direct current 1 person of outstanding talent, and flow velocity is 1m/s-50m/s.The whole system device is hermetically sealed, and each device is established passage, receives the high blast pipe of 20m, to the gas high altitude discharge that treating apparatus produces, does not have stench to produce around the sewage-treatment plant, does not have the mosquitos and flies parasitism.
- 8. Cleansed handling domestic garbage as claimed in claim 1 is characterized in that except that handling house refuse, also comprises the organic solid castoff of other industry such as people, domestic animal, poultry manure; With plant, animal is the industrial organic waste residues of raw material converted products; The organic waste residues of fermentation industry, agricultural, forestry, discarded object and residue, the residual active sludge of sewage treatment plant.
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| CNB2005100257810A CN100534649C (en) | 2005-05-12 | 2005-05-12 | Cleansed handling domestic garbage |
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