CN104262043A - Method for producing household garbage compressed nutrient soil - Google Patents
Method for producing household garbage compressed nutrient soil Download PDFInfo
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- CN104262043A CN104262043A CN201410394420.2A CN201410394420A CN104262043A CN 104262043 A CN104262043 A CN 104262043A CN 201410394420 A CN201410394420 A CN 201410394420A CN 104262043 A CN104262043 A CN 104262043A
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- China
- Prior art keywords
- household garbage
- batching
- attapulgite clay
- nutrition soil
- acidifying
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 235000015097 nutrients Nutrition 0.000 title abstract description 10
- 229960000892 attapulgite Drugs 0.000 claims abstract description 82
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 82
- 239000004927 clay Substances 0.000 claims abstract description 52
- 238000003756 stirring Methods 0.000 claims abstract description 24
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- 238000000034 method Methods 0.000 claims abstract description 17
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- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 9
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims abstract description 9
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 6
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- 238000010298 pulverizing process Methods 0.000 claims description 15
- 241000196324 Embryophyta Species 0.000 claims description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 11
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- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
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- 229910052698 phosphorus Inorganic materials 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 229910052700 potassium Inorganic materials 0.000 abstract description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002250 absorbent Substances 0.000 abstract description 4
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- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
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- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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- 231100001261 hazardous Toxicity 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a method for producing household garbage compressed nutrient soil. According to the technical scheme, the method comprises the following steps: acidizing household garbage and sludge; and stirring ingredients of the household garbage compressed nutrient soil, compressing the ingredients, performing microwave low-temperature sterilization, and packing the treated ingredients into a finished product. The household garbage compressed nutrient soil consists of the acidized household garbage, the acidized sludge, instant sodium silicate, polyvinyl alcohol, ferrous sulfate, peat, flower ceramsite, high-viscosity attapulgite clay, biogas slurry, biogas residues, smashed plant fibers, expanded vermiculite, expanded perlite, a super absorbent resin and the like. The household garbage compressed nutrient soil contains a large amount of nitrogen, phosphorus, potassium, organic matters and various trace elements. Through adoption of the household garbage compressed nutrient soil, nutrients which are essential to the growth of plants can be provided; harm of pathogenic bacteria and pests to the plants is reduced; normal growth and development of the plants are facilitated; and the ecological environment is protected. The method for producing the household garbage compressed nutrient soil is suitable for producing household garbage compressed nutrient soil of different formulas.
Description
Technical field
The present invention relates to Nutrition Soil, be specifically related to the production method of one way of life garbage-compressing Nutrition Soil.
Background technology
Along with socioeconomic fast development, the quickening of urbanization process and the rapid raising of living standards of the people, city produces and also increases sharply with the junk that produces in life process thereupon, domestic refuse land occupation, the situation of contaminate environment and also all the more obvious on the impact of health of people.
Rolling up of domestic waste, make refuse treatment more and more difficult, the problems such as resultant environmental pollution cause the extensive concern of various circles of society gradually; Municipal wastes output is ever-increasing while, the classification of domestic refuse, reclaim and processing power and levels relatively lag behind, namely Prediction for Solid Waste Treatment Technology is very weak, and the suitability of the technology of therefore domestic rubbish disposal becomes a very important problem of solution domestic refuse; The process of the domestic refuse choice of technology often becomes a difficult problem for a garbage treatment.
Domestic rubbish disposal present stage, mainly based on sanitary landfill, accounts for about 78% for the treatment of capacity, and refuse classification segmentation is not strong, does not have the route forming recycle more effectively, causes the recovery utilization rate of waste resources very low.
Mud is the smelly paste of a kind of easy corruption that produces in sewage treatment process, it is enriched the pollutent in sewage, containing hazardous and noxious substances such as the nutritive substances such as a large amount of nitrogen, phosphorus and organism, viral micro-organisms, parasitic ovum, heavy metals, without effectively processing disposal, produce serious harm by environment.
Sludge moisture content >=80% that municipal sewage plant produces, mud is mostly in alkalescence, and pH value is 8 ~ 10, the product of unsuitable direct production recycling.
Investigation display, current China has the mud of 80% not to be effectively addressed, and even has and is simply discarded in the PE such as farmland, river greatly, become new source of pollution.
At present the mud of a large amount of non-stabilizing treatment has become the heavy burden of sewage work, and mud that is how that output is huge, complicated component carries out properly processing safely, make that it is innoxious, minimizing, resource utilization, become deeply concerned key subjects.
Nutrition Soil be in order to meet seedling growth grow and particular formulation containing multiple mineral nutrition, loose ventilation, preserve moisture and fertility ability is strong, without the soil of disease and pest.Generally formed with decomposed dung mixed preparing by fertile land for growing field crops soil, also import high-quality peat, coconut palm chaff is selected from, the Nutrition Soil mixed in specific proportions, but these Nutrition Soils are not through reasonably preparing burden and strict sterilization, are unfavorable for that the normal growth of nursery stock is grown.
Because Nutrition Soil is after treatment relatively lighter and loose, the conventional products volume of Nutrition Soil is relatively large, is unfavorable for reducing the cost produced and transport.
Summary of the invention
The object of the invention is to overcome weak point in prior art, the production method of one way of life garbage-compressing Nutrition Soil is provided.
The production method of household garbage-compressing Nutrition Soil: first domestic refuse and mud are carried out acidification, then the batching of household garbage-compressing Nutrition Soil carried out stir, compress, be packaged as finished product after microwave temperature sterilization.
Household garbage-compressing Nutrition Soil is made up of materials such as vegetable fibre, expanded vermiculite, pearlstone and the High hydrophilous resins after the domestic refuse after acidifying, the mud after acidifying, quick dissolved sodium silicate, polyvinyl alcohol, ferrous sulfate, peat, flower ceramsite, high sticky attapulgite clay, natural pond liquid, natural pond slag, pulverizing.
Domestic refuse just refers to leftovers usually, eggshell pericarp, the food waste of outer leaf dish leaf one class, domestic refuse usually accounts for 40% of rubbish total amount, if they can become fertilizer and Nutrition Soil, both saved the soil being used as landfill yard, and saved the vehicle transporting rubbish and the energy again, also prevent them from growing mosquitos and flies and bacterium.The present invention selects the domestic refuse after pulverizing, particle fineness≤2 millimeter of domestic refuse.
Attapulgite has unique dispersion, high temperature resistant, anti-good colloidal property and the higher adsorptive power such as saline and alkaline, and has certain plasticity-and cohesive force.Concavo-convex excellent stone clay after the acidify can adsorb foreign odor taste, heavy metal ion and carcinogenic substance in mud, the nutritive ingredient in mud is kept not run off, be conducive to growing of plant, the present invention selects the attapulgite clay after pulverizing, particle fineness≤5 millimeter of attapulgite clay, water content≤15% of attapulgite clay.
Sulfuric acid select concentration be 98% the vitriol oil.
Quick dissolved sodium silicate is white powder material, can rapid solution in water, have that cohesive force is strong, intensity is higher, acid resistance, good heat resistance, the feature of alkali resistance and poor water resistance.
Polyethenol series white solid, external form divide cotton-shaped, particulate state, Powdered three kinds; Nonpoisonous and tasteless, particulate state can be dissolved in 80--90 DEG C of water, pulverous other powders pre-dispersed after can dissolve at normal temperatures.There is good viscosity, polymerizability, cohesiveness and water-retentivity.
Vltra tears has thickening capabilities, salt discharge, pH stability, water-retentivity, dimensional stability, excellent film-forming properties and the feature such as resistance to enzymatic, dispersiveness and cohesiveness widely.
Anhydrous slufuric acid ferrous iron is white powder, ferrous sulfate containing crystal water is pale green crystals, the ferrous sulfate of 10% aqueous solution is acid to reindeer moss, pH value is about 3.7, in the present invention not only can in and the alkalescence of household garbage-compressing Nutrition Soil, as the supplement of plant ferro element, there is physiological disturbance because of iron deficiency in control plant, make leaf look chlorosis, can also be used to kill liver moss.
Sodium carbonate has the general character and the thermostability of salt, soluble in water, and its aqueous solution is alkalescence, in the present invention for adjusting the domestic refuse pH value after acidifying.
Magnesium oxide has the general character of basic oxide, belongs to gelling material, can improve the colloidal property of the domestic refuse after acidifying.
For tackling the significant challenge of water resource environment, China will continue the investment strengthening urban infrastructure.The continuation of the energy-conserving and environment-protective requirement day by day improved along with government, municipal public use is open, the propelling of Environmental Industry policy and being gradually improved of investment and financing environment, and wastewater treatment in China and regeneration cause will welcome Historic Opportunities for th e Development.
Containing a considerable amount of nitrogen, phosphorus, potassium and trace element in the mud of city domestic sewage treatment plant, through suitable art breading, as cultivation medium soil, soil improvement material, also can be used as the raw material making fertilizer, the mud that the present invention selects city domestic sewage treatment plant to discharge, water content≤90% of mud.
High sticky attapulgite clay is the attapulgite clay adopting the complete processing improving viscosity of attapulgite clay to produce, attapulgite clay is after batching stirs, abrasive dust is carried out for high sticky attapulgite clay powder, particle fineness≤0.074 millimeter in input grinding machine.
High sticky attapulgite clay soil property is fine and smooth, and have oily soapy, light weight, property are crisp, fracture is conchoidal or irregular shape, and water-absorbent is strong, tool viscosity and plasticity-time wet, viscosity >=the 2200mPas of high sticky attapulgite clay powder, sticking power is good, is conducive to the bonding between raw material.
Peat is also called the peat composed of rotten mosses or peat soil, and peat venting capability is good, light weight, water holding, fertilizer conservation, is conducive to microbial activities, strengthen biological property, nutritious, be cultivation matrix, it is again good soil mediator agent, and containing very high organic matter, humic acid and nutrition, the peat after pulverizing pulverizes after being dried by peat, peat particle fineness≤2 millimeter after pulverizing, water content≤15% of peat.
Gravel attapulgite flower ceramsite surface irregularity porous, it is a kind of lightweight, intensity is large, water-intake rate is high flower ceramsite, gravel attapulgite flower ceramsite can be immersed in water to produce throughout the year and burst apart, and the nutrition constantly required for slow releasing flowers, the present invention selects the particle fineness of gravel attapulgite flower ceramsite to control at 1 ~ 3 millimeter.
Natural pond liquid, through microbial decomposition, has killed harmful virus bacterium, the nutrient containing various plants growth, abundant amino acid and various tethelin, VITAMIN etc., is a kind of quick-acting and long-lastingly has both and the liquid fertilizer become thoroughly decomposed.
Natural pond slag is rich in organic matter, soil ulmin, nitrogen, phosphorus, potassium, micronutrient element, multiple amino acids, enzyme and beneficial microorganism, can play the effect of well improvement soil, water content≤15% of natural pond slag.
Vegetable fibre after pulverizing pulverizes after being dried by the plants such as the straw of farm crop, wood chip, bamboo bits and leaf, plant fiber length≤15 millimeter after pulverizing, water content≤15% of vegetable fibre.
Vermiculite after high-temperature roasting, its volume energy undergoes rapid expansion several times to tens times, the vermiculite after volumetric expansion, expanded vermiculite, is one of the lightest in the world mineral; Expanded vermiculite is used as soil improvement agent, can improve the structure of soil, and water storage preserves soil moisture, and improves the ventilation property of soil and aquosity, plays the multiple actions such as fertilizer conservation, water conservation, water storage, ventilative and mineral manure.
Perlite becomes a kind of lightweight, multifunctional novel shaped material through expansion.Have the features such as apparent density is light, thermal conductivity is low, chemical stability is good, pearlstone is fertilizer conservation, water conservation, aseptic, good permeability on agricultural, gardens.
The water absorbent rate of High hydrophilous resin can reach hundreds of times even thousands of times of own wt, and the present invention selects the water absorbent rate of High hydrophilous resin to be 100 ~ 300 times.
The present invention is achieved by following technical proposals:
1, the production method of household garbage-compressing Nutrition Soil: (1) stir in the stirrer of the batching of household garbage-compressing Nutrition Soil input running, input boil down to household garbage-compressing Nutrition Soil flap in tabletting machine after stirring, the gauge control of household garbage-compressing Nutrition Soil flap is at 5 ~ 30 millimeters; (2) household garbage-compressing Nutrition Soil flap is transported in belt type microwave dry sterilizer and carries out temperature sterilization and drying, temperature controls at 60 ~ 100 DEG C, time controling at 30 ~ 120 minutes, sterilizing and dried household garbage-compressing Nutrition Soil flap water content≤15%; (3) by sterilizing and dried household garbage-compressing Nutrition Soil flap, be transported in insulated sterilizing storehouse, to utilize in household garbage-compressing Nutrition Soil flap the waste heat of self, proceed sterilizing and drying, after the cooling of household garbage-compressing Nutrition Soil flap, be packaged as the finished product of household garbage-compressing Nutrition Soil.
The batching of household garbage-compressing Nutrition Soil is made up of following component by weight percentage: the vegetable fibre 1 ~ 10% after the gravel attapulgite flower ceramsite 2 ~ 15% after the domestic refuse 15 ~ 35% after acidifying, the mud 25 ~ 55% after acidifying, high sticky attapulgite clay 2 ~ 15%, natural pond immersion bubble, the peat 2 ~ 15% after pulverizing, natural pond slag 2 ~ 15%, pulverizing, expanded vermiculite 0.5 ~ 5%, pearlstone 0.5 ~ 5% and High hydrophilous resin 0.1 ~ 5%.
2, the domestic refuse batching after acidifying is made up of following component by weight percentage: the domestic refuse work in-process 90 ~ 99% after acidifying, quick dissolved sodium silicate 0.1 ~ 5%, polyvinyl alcohol 0.1 ~ 5%, Vltra tears 0.01 ~ 3% and sodium carbonate 0 ~ 3%; The production method of the domestic refuse after acidifying: by abrasive dust in the domestic refuse batching input grinding machine after acidifying, particle fineness≤0.074 millimeter, the meal after abrasive dust is the domestic refuse after acidifying.
The half-finished production method of domestic refuse after acidifying: stir in the stirrer (1) input of the batching of domestic garbage mixing thing operated, then dilute sulphuric acid is slowly added in domestic garbage mixing thing carry out acidification; (2), by the domestic garbage mixing thing after acidification, the extruding of input twin rollers is flap, thickness≤3 millimeter of flap; (3) flap is transported to roasting in rotary type stoving oven, roasting time is 1 ~ 3 hour, and maturing temperature controls at 250 ~ 350 DEG C, flap water content≤5% after roasting, and the flap after roasting is the domestic refuse work in-process after acidifying.
The batching of domestic garbage mixing thing is made up of following component by weight percentage: domestic refuse 68 ~ 92%, attapulgite clay 5 ~ 30% and magnesium oxide 0.1 ~ 3%; The batching of acidification is made up of following component by weight percentage: domestic garbage mixing thing 65 ~ 95% and dilute sulphuric acid 5 ~ 35%; The batching of dilute sulphuric acid is made up of following component by weight percentage: concentration is the vitriol oil 1 ~ 10% and the water 90 ~ 99% of 98%, concentration be 98% vitriol oil per-cent be weight percentage.
3, the batching of mud acidification is made up of following component by weight percentage: the domestic refuse 2 ~ 30% after mud 68 ~ 95%, acidifying and ferrous sulfate 0.01 ~ 5%; The production method of the mud after acidifying: is stirred in the stirrer that the input of the batching of mud acidification has been operated, spontaneous fermentation is transported in fermentation vat 3 ~ 14 days after stirring, sludge pH after spontaneous fermentation controls 5.0 ~ 7.0, and the mud after spontaneous fermentation process is the mud after acidifying.
4, be soak particle fineness in the gravel attapulgite flower ceramsite input natural pond liquid pool of 1 ~ 3 millimeter, gravel attapulgite flower ceramsite is after soaking, a large amount of natural pond liquid can be absorbed fast, soak time controls at 30 ~ 60 minutes, the gravel attapulgite flower ceramsite taken out after natural pond immersion bubble carries out airing, gravel attapulgite flower ceramsite water content≤15% after airing.
The batching of gravel attapulgite flower ceramsite is made up of following component by weight percentage: high sticky attapulgite clay powder 1 ~ 10%, attapulgite clay mine tailing 5 ~ 25%, red bentonite in powder 5 ~ 20%, mud 45 ~ 65%, diatomite mine tailing 5 ~ 20% and powdered rice hulls 1 ~ 10%;
The production method of gravel attapulgite flower ceramsite: input Squeezinggranulator granulation after (1) the batching of gravel attapulgite flower ceramsite being added stirrer for mixing, particle diameter controls at 8 ~ 25 millimeters, and particle length controls at 10 ~ 40 millimeters; (2), by the particle input internally heated type revolution roasting in kilns after granulation, maturing temperature controls at 550 ~ 850 DEG C, and roasting time controls at 1 ~ 6 hour; (3) will pulverize as gravel particle in the particle input crusher after roasting and sieve, particle fineness controls at 1 ~ 12 millimeter, is gravel attapulgite flower ceramsite.
Gravel attapulgite flower ceramsite adopts to apply for " gravel attapulgite flower ceramsite " by the present inventor on November 10th, 2011, and Chinese patent Authorization Notice No. is: CN 102503372 B, authorized announcement date: on 04 17th, 2013.
5, high sticky attapulgite clay is the attapulgite clay adopting the complete processing improving viscosity of attapulgite clay to produce, and it is characterized in that, from the attapulgite clay of mining area exploitation, needs the weathering through 30 ~ 120 days; Modification processing method is: calculate by weight percentage, gets the attapulgite clay after weathering 94 ~ 98%, evenly adds 2 ~ 6% sodium carbonate, and in common input fermentation vat, add clear water and carry out immersion ageing, soak time is 72 ~ 120 hours; Get the attapulgite clay after immersion, stir in input stirrer, and by the attapulgite clay after stirring, be extruded into thin slice through extrusion machine, its gauge control at 0.5 ~ 2 millimeter, by attapulgite clay thin slice, carry out airing, the attapulgite clay thin slice after airing, its water content≤15%; Batching is calculated by weight percentage: the attapulgite clay 94 ~ 98% after airing, High hydrophilous resin 0.5 ~ 5% and Mierocrystalline cellulose 0.5 ~ 3%, above-mentioned batching is stirred, inputs in grinding machine and carry out abrasive dust, particle fineness≤0.074 millimeter after stirring.
Above-mentioned production technique adopts to be applied for " improving the complete processing of viscosity of attapulgite clay " on June 20th, 2005 by the present inventor, and Chinese patent Authorization Notice No. is: CN 1317067C, authorized announcement date: on May 23rd, 2007.
The detection method of high sticky attapulgite clay: get 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water again, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, to pour in the beaker of 250mL through high-speed stirring sample suspension again, use NDJ-1 type rotational viscosimeter to carry out the viscosity of test suspension liquid, tested viscosity value >=2200 mPas is high sticky attapulgite clay.
Described in the present invention, PCm is all weight percentage.
After the acidified process of domestic refuse, pH value controls 5.0 ~ 7.0, can improve the utilization ratio of domestic refuse, not only can bring good economic benefit, environmental benefit and social benefit, and can realize turning waste into wealth.Domestic refuse after acidifying has good thixotropy, plasticity-and close-burning feature.
After the acidified process of mud, pH value controls 5.0 ~ 7.0, can improve the utilization ratio of mud, is conducive to the nutrition in plant overall absorption mud, guarantees that plant can normally grow fast.
The fresh sludge that city domestic sewage treatment plant produces is mostly in alkalescence, pH value is 8 ~ 10, add after the domestic refuse after acidifying and ferrous sulfate carry out acidification in fresh sludge, mud is slightly acidic, and pH value controls 5.0 ~ 7.0, can spontaneous fermentation under the normal temperature condition of temperature >=20 DEG C, in spontaneous fermentation process, N P and K in mud and organism nutritive substance obtain further raising, and foul smell obviously reduces, and its inherent moisture also will significantly decline.
Sterilizing and dried household garbage-compressing Nutrition Soil flap are transported in insulated sterilizing storehouse, waste heat is utilized to continue to carry out sterilizing and drying to household garbage-compressing Nutrition Soil, can continue to kill germ and the insect such as excrement colibacillus group, roundworm egg, nematode that in household garbage-compressing Nutrition Soil, Disabled stays, weed seed in mud and peat can also be steamed dead, avoid the germination again of weed seed.
Ferrous sulfate not only can the potential of hydrogen of conditioning of mud, and can also impel chlorophyll formation, can prevent and treat the yellows that flowers and trees cause because of iron deficiency, be the indispensable elements of the acid flowers and trees of happiness.
Inputted by gravel attapulgite flower ceramsite in the liquid pool of natural pond and soak, gravel attapulgite flower ceramsite inside will suck a large amount of natural ponds liquid, to increase effective nutritive ingredient of household garbage-compressing Nutrition Soil; Gravel attapulgite flower ceramsite can also play and regulate soil aggregate, coordinate moisture and ventilation property in household garbage-compressing Nutrition Soil, is conducive to crop root and stretches and normal growth.
Directly utilize the mud of city domestic sewage treatment plant for main raw material, a kind of household garbage-compressing Nutrition Soil of sheet is produced after acidified modification, stirring, compression and temperature sterilization, small product size is than the volume-diminished less than 25% before compression, greatly reduce production and the transportation cost of product, increase the economic benefit of enterprise.
The using method of household garbage-compressing Nutrition Soil: household garbage-compressing Nutrition Soil is put into water and soak after 5 minutes, the household garbage-compressing Nutrition Soil of sheet is reduced to loose Nutrition Soil very soon, and the weight of the former compression Nutrition Soil of weight ratio of Nutrition Soil loose after water suction adds more than 5 times.
Household garbage-compressing Nutrition Soil can be used for construction and the maintenance processes in green land in town system or forest land, suburb, as cultivation medium soil, soil improvement material, the national standard that quality meets " GB/T 23486-2009 urban wastewater treatment firm sludge disposal afforestation shale ".
Adopt production method productive life garbage-compressing Nutrition Soil of the present invention; production technique is simple; do not need to concentrate mud separately, recuperate under medical treatment, dewater, stablize, the course of processing of mummification or burning; waste gas, dust and dry sound is not had in whole production process; be conducive to preserving the ecological environment, avoid and secondary pollution is caused to surrounding enviroment.
Containing a large amount of nitrogen, phosphorus, potassium, organic matter and various trace elements in household garbage-compressing Nutrition Soil, be that a kind of nutrition is complete, fertilizer efficiency is high, nontoxic, aseptic, harmless, odorless and the good high-quality Nutrition Soil of water retention property, can provide plant-growth necessary nutritive element, do not use chemical fertilizer and chemical pesticide, reduce the harm of pathogenic bacteria and pests on plants, the normal growth being conducive to plant is grown.
Household garbage-compressing Nutrition Soil can also be used to the household garbage-compressing planting brick producing different shape.
The various waste of a large amount of employing in the batching of household garbage-compressing Nutrition Soil, is not only conducive to improving resource utilization, turns waste into wealth, can also reduce land occupation, protection and environment purification, save the energy, reduce production cost, increase economic efficiency.
The production method of household garbage-compressing Nutrition Soil is applicable to the household garbage-compressing Nutrition Soil producing different ingredients.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
1, the production method of household garbage-compressing Nutrition Soil: (1) stir in the stirrer of the batching of household garbage-compressing Nutrition Soil input running, input boil down to household garbage-compressing Nutrition Soil flap in tabletting machine after stirring, the gauge control of household garbage-compressing Nutrition Soil flap is at 20 millimeters; (2) household garbage-compressing Nutrition Soil flap is transported in belt type microwave dry sterilizer and carries out temperature sterilization and drying, temperature controls at 70 ~ 90 DEG C, time controling at 35 minutes, sterilizing and dried household garbage-compressing Nutrition Soil flap water content≤15%; (3) by sterilizing and dried household garbage-compressing Nutrition Soil flap, be transported in insulated sterilizing storehouse, to utilize in household garbage-compressing Nutrition Soil flap the waste heat of self, proceed sterilizing and drying, after the cooling of household garbage-compressing Nutrition Soil flap, be packaged as the finished product of household garbage-compressing Nutrition Soil.
The batching of household garbage-compressing Nutrition Soil is made up of following component by weight percentage: the vegetable fibre 4% after the gravel attapulgite flower ceramsite 5% after the domestic refuse 22% after acidifying, the mud 50% after acidifying, high sticky attapulgite clay 8%, natural pond immersion bubble, the peat 5% after pulverizing, natural pond slag 4%, pulverizing, expanded vermiculite 0.8%, pearlstone 0.6% and High hydrophilous resin 0.6%.
2, the domestic refuse batching after acidifying is made up of following component by weight percentage: the domestic refuse work in-process 97% after acidifying, quick dissolved sodium silicate 1.2%, polyvinyl alcohol 1.1%, Vltra tears 0.7% and sodium carbonate 0%; The production method of the domestic refuse after acidifying: by abrasive dust in the domestic refuse batching input grinding machine after acidifying, particle fineness≤0.074 millimeter, the meal after abrasive dust is the domestic refuse after acidifying.
The half-finished production method of domestic refuse after acidifying: stir in the stirrer (1) input of the batching of domestic garbage mixing thing operated, then dilute sulphuric acid is slowly added in domestic garbage mixing thing carry out acidification; (2), by the domestic garbage mixing thing after acidification, the extruding of input twin rollers is flap, thickness≤3 millimeter of flap; (3) flap is transported to roasting in rotary type stoving oven, roasting time is 2 hours, and maturing temperature controls at 300 ~ 350 DEG C, flap water content≤5% after roasting, and the flap after roasting is the domestic refuse work in-process after acidifying.
The batching of domestic garbage mixing thing is made up of following component by weight percentage: domestic refuse 76%, attapulgite clay 22.5% and magnesium oxide 1.5%; The batching of acidification is made up of following component by weight percentage: domestic garbage mixing thing 74% and dilute sulphuric acid 26%; The batching of dilute sulphuric acid is made up of following component by weight percentage: concentration is the vitriol oil 5% and the water 95% of 98%.
3, the batching of mud acidification is made up of following component by weight percentage: the domestic refuse 21.2% after mud 78%, acidifying and ferrous sulfate 0.8%; The production method of the mud after acidifying: is stirred in the stirrer that the input of the batching of mud acidification has been operated, spontaneous fermentation is transported in fermentation vat 8 days after stirring, sludge pH after spontaneous fermentation controls 5.5 ~ 7.0, and the mud after spontaneous fermentation process is the mud after acidifying.
4, be soak particle fineness in the gravel attapulgite flower ceramsite input natural pond liquid pool of 1 ~ 3 millimeter, soak time controls at 45 minutes, the gravel attapulgite flower ceramsite taken out after natural pond immersion bubble carries out airing, gravel attapulgite flower ceramsite water content≤12% after airing.
Claims (8)
1. the production method of one way of life garbage-compressing Nutrition Soil, it is characterized in that, (1) stir in the stirrer of the batching of household garbage-compressing Nutrition Soil input running, input boil down to household garbage-compressing Nutrition Soil flap in tabletting machine after stirring, the gauge control of household garbage-compressing Nutrition Soil flap is at 5 ~ 30 millimeters; (2) household garbage-compressing Nutrition Soil flap is transported in belt type microwave dry sterilizer and carries out temperature sterilization and drying, temperature controls at 60 ~ 100 DEG C, time controling at 30 ~ 120 minutes, sterilizing and dried household garbage-compressing Nutrition Soil flap water content≤15%; (3) by sterilizing and dried household garbage-compressing Nutrition Soil flap, be transported in insulated sterilizing storehouse, to utilize in household garbage-compressing Nutrition Soil flap the waste heat of self, proceed sterilizing and drying, after the cooling of household garbage-compressing Nutrition Soil flap, be packaged as the finished product of household garbage-compressing Nutrition Soil;
The batching of described household garbage-compressing Nutrition Soil is made up of following component by weight percentage: the vegetable fibre 1 ~ 10% after the gravel attapulgite flower ceramsite 2 ~ 15% after the domestic refuse 15 ~ 35% after acidifying, the mud 25 ~ 55% after acidifying, high sticky attapulgite clay 2 ~ 15%, natural pond immersion bubble, the peat 2 ~ 15% after pulverizing, natural pond slag 2 ~ 15%, pulverizing, expanded vermiculite 0.5 ~ 5%, pearlstone 0.5 ~ 5% and High hydrophilous resin 0.1 ~ 5%.
2. the domestic refuse batching according to claim 1 after acidifying, it is characterized in that, be made up of following component by weight percentage: the domestic refuse work in-process 90 ~ 99% after acidifying, quick dissolved sodium silicate 0.1 ~ 5%, polyvinyl alcohol 0.1 ~ 5%, Vltra tears 0.01 ~ 3% and sodium carbonate 0 ~ 3%; The production method of the domestic refuse after acidifying: by abrasive dust in the domestic refuse batching input grinding machine after acidifying, particle fineness≤0.074 millimeter, the meal after abrasive dust is the domestic refuse after acidifying;
The half-finished production method of domestic refuse after described acidifying: stir in the stirrer (1) input of the batching of domestic garbage mixing thing operated, then dilute sulphuric acid is slowly added in domestic garbage mixing thing carry out acidification; (2), by the domestic garbage mixing thing after acidification, the extruding of input twin rollers is flap, thickness≤3 millimeter of flap; (3) flap is transported to roasting in rotary type stoving oven, roasting time is 1 ~ 3 hour, and maturing temperature controls at 250 ~ 350 DEG C, flap water content≤5% after roasting, and the flap after roasting is the domestic refuse work in-process after acidifying;
The batching of described domestic garbage mixing thing is made up of following component by weight percentage: domestic refuse 68 ~ 92%, attapulgite clay 5 ~ 30% and magnesium oxide 0.1 ~ 3%; The batching of acidification is made up of following component by weight percentage: domestic garbage mixing thing 65 ~ 95% and dilute sulphuric acid 5 ~ 35%; The batching of dilute sulphuric acid is made up of following component by weight percentage: concentration is the vitriol oil 1 ~ 10% and the water 90 ~ 99% of 98%.
3. the batching of mud acidification according to claim 1, is characterized in that, be made up of by weight percentage following component: the domestic refuse 2 ~ 30% after mud 68 ~ 95%, acidifying and ferrous sulfate 0.01 ~ 5%; The production method of the mud after acidifying: is stirred in the stirrer that the input of the batching of mud acidification has been operated, spontaneous fermentation is transported in fermentation vat 3 ~ 14 days after stirring, sludge pH after spontaneous fermentation controls 5.0 ~ 7.0, and the mud after spontaneous fermentation process is the mud after acidifying.
4. according to claim 1 natural pond immersion bubble after gravel attapulgite flower ceramsite, it is characterized in that, be soak particle fineness in the gravel attapulgite flower ceramsite input natural pond liquid pool of 1 ~ 3 millimeter, soak time controls at 30 ~ 60 minutes, the gravel attapulgite flower ceramsite taken out after natural pond immersion bubble carries out airing, gravel attapulgite flower ceramsite water content≤15% after airing;
The batching of described gravel attapulgite flower ceramsite is made up of following component by weight percentage: high sticky attapulgite clay powder 1 ~ 10%, attapulgite clay mine tailing 5 ~ 25%, red bentonite in powder 5 ~ 20%, mud 45 ~ 65%, diatomite mine tailing 5 ~ 20% and powdered rice hulls 1 ~ 10%; The production method of gravel attapulgite flower ceramsite: input Squeezinggranulator granulation after (1) the batching of gravel attapulgite flower ceramsite being added stirrer for mixing, particle diameter controls at 8 ~ 25 millimeters, and particle length controls at 10 ~ 40 millimeters; (2), by the particle input internally heated type revolution roasting in kilns after granulation, maturing temperature controls at 550 ~ 850 DEG C, and roasting time controls at 1 ~ 6 hour; (3) will pulverize as gravel particle in the particle input crusher after roasting and sieve, particle fineness controls at 1 ~ 12 millimeter, is gravel attapulgite flower ceramsite.
5. high sticky attapulgite clay is the attapulgite clay adopting the complete processing improving viscosity of attapulgite clay to produce according to claim 1, it is characterized in that, from the attapulgite clay of mining area exploitation, needs the weathering through 30 ~ 120 days; Modification processing method is: calculate by weight percentage, gets the attapulgite clay after weathering 94 ~ 98%, evenly adds 2 ~ 6% sodium carbonate, and in common input fermentation vat, add clear water and carry out immersion ageing, soak time is 72 ~ 120 hours; Get the attapulgite clay after immersion, stir in input stirrer, and by the attapulgite clay after stirring, be extruded into thin slice through extrusion machine, its gauge control at 0.5 ~ 2 millimeter, by attapulgite clay thin slice, carry out airing, the attapulgite clay thin slice after airing, its water content≤15%; Batching is calculated by weight percentage: the attapulgite clay 94 ~ 98% after airing, High hydrophilous resin 0.5 ~ 5% and Mierocrystalline cellulose 0.5 ~ 3%, above-mentioned batching is stirred, inputs in grinding machine and carry out abrasive dust, particle fineness≤0.074 millimeter after stirring;
The detection method of high sticky attapulgite clay, it is characterized in that, get 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, then add 372g water, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, to pour in the beaker of 250mL through high-speed stirring sample suspension again, use NDJ-1 type rotational viscosimeter to carry out the viscosity of test suspension liquid, tested viscosity value >=2200 mPas is high sticky attapulgite clay.
6. the batching of household garbage-compressing Nutrition Soil according to claim 1, is characterized in that, peat particle fineness≤2 millimeter after pulverizing, water content≤15% of peat, water content≤15% of natural pond slag, plant fiber length≤15 millimeter after pulverizing, water content≤15% of vegetable fibre.
7. the batching of domestic garbage mixing thing according to claim 2, is characterized in that, particle fineness≤2 millimeter of domestic refuse, particle fineness≤5 millimeter of attapulgite clay, water content≤15% of attapulgite clay.
8. the batching of mud acidification according to claim 3, is characterized in that, water content≤90% of mud.
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| CN104926549A (en) * | 2015-07-27 | 2015-09-23 | 蒋文兰 | Production method for furfural residue carbonization nutrient soil |
| CN104926551A (en) * | 2015-07-27 | 2015-09-23 | 蒋文兰 | Production method for zeolite tailing carbonized nutrient soil |
| CN104945176A (en) * | 2015-07-27 | 2015-09-30 | 蒋文兰 | Production method of rice hull carbonized nutrient soil |
| CN104987244A (en) * | 2015-07-27 | 2015-10-21 | 蒋文兰 | Method for producing vinegar residue carbonized nutritional soil |
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| CN107056558A (en) * | 2017-06-27 | 2017-08-18 | 莱州市莱玉化工有限公司 | Great Jiang stalk feature soil conditioners and its production technology and application method |
| CN109220486A (en) * | 2018-11-18 | 2019-01-18 | 蒋文兰 | Using the method for house refuse modular tree planting bag plantation shrub |
| CN109220349A (en) * | 2018-11-15 | 2019-01-18 | 蒋文兰 | For planting the house refuse modular tree planting bag of shrub |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104926549A (en) * | 2015-07-27 | 2015-09-23 | 蒋文兰 | Production method for furfural residue carbonization nutrient soil |
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| CN104987244A (en) * | 2015-07-27 | 2015-10-21 | 蒋文兰 | Method for producing vinegar residue carbonized nutritional soil |
| CN105110875A (en) * | 2015-07-27 | 2015-12-02 | 蒋文兰 | Production method for swill oil carbonization soil |
| CN107056558A (en) * | 2017-06-27 | 2017-08-18 | 莱州市莱玉化工有限公司 | Great Jiang stalk feature soil conditioners and its production technology and application method |
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| CN109220486A (en) * | 2018-11-18 | 2019-01-18 | 蒋文兰 | Using the method for house refuse modular tree planting bag plantation shrub |
| CN110419412A (en) * | 2019-07-31 | 2019-11-08 | 常德市万惠生物科技有限公司 | A kind of Nutrition Soil and preparation method thereof for flowers |
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