CN102603423B - Method for producing ecological environment-protecting nutritive soil by utilizing dry-basis lake sludge - Google Patents
Method for producing ecological environment-protecting nutritive soil by utilizing dry-basis lake sludge Download PDFInfo
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- CN102603423B CN102603423B CN2012101107100A CN201210110710A CN102603423B CN 102603423 B CN102603423 B CN 102603423B CN 2012101107100 A CN2012101107100 A CN 2012101107100A CN 201210110710 A CN201210110710 A CN 201210110710A CN 102603423 B CN102603423 B CN 102603423B
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Abstract
The invention discloses a method for producing ecological environment-protecting nutritive soil by utilizing dry-basis lake sludge. The method is technically characterized by comprising the following key steps: adding a semi-finished product of ecological environment-protecting nutritive soil into a double-horizontal forced mixer, evenly adding the biogas slurry into the semi-finished product of ecological environment-protecting nutritive soil, mixing uniformly, conveying the mixture through a belt conveyer to a roller machine and extruding into irregular particles, and inputting the irregular particles into an integrated soil sterilization device for sterilization and drying, wherein the sterilized and dried irregular particles are the finished product of ecological environment-protecting nutritive soil. The method has the characteristics of simpleness in process, high production efficiency and low cost. The stacked or abandoned lake sludge in the dredge sites of ports, channels, lakes and rivers can be utilized to process the ecological environment-protecting nutritive soil based on various formulas. The ecological environment-protecting nutritive soil has the advantages of complete nutrients, high fertilizer efficiency, no toxicity, harmlessness, no odor and high quality.
Description
Technical field
The present invention relates to the soil field, be specifically related to a kind of method of utilizing the butt lake silt to produce ecological, environmental protective nutrition soil.
Background technology
In order to improve the water quality in lake, river, guarantee the unimpeded of the normal flood carrying capacity in river course and navigation channel, harbour, China has carried out large-scale dredging and desilting engineering, according to statistics, about 6700 ten thousand steres of Taihu Lake bed mud ecological dredging amount only, dredging silt amount about 8000 ten thousand steres in Delta of the Pearl River area still will produce a large amount of dredging silts in water conservancy, He Hu, port dredging and the desilting engineering, and become the reality that is difficult to avoid in following 10 years.
The dredging silt that produces in the dredging engineering adopts the method for stacking or abandoning to handle usually, cause the waste of a large amount of land resourcess on the one hand, will cause very big destruction to ecotope, on the other hand, dredging silt contains heavy metal, organic pollutant, various pathogenic bacteria and Parasites mostly, will inevitably cause secondary pollution to surrounding enviroment.
Since edible fungi residue all can be in various degree living contaminantses such as generation such as green mold, mould, aspergillus, head mold, Mucor and bacterium, can not be directly used in fertilising, in a large number mouldy, the blackout, acid bacterium slag smelly and that be bacterial contamination arbitrarily be deposited in field, highway both sides or two sides, river, cause the environment of traffic jam and polluted air, soil and river.
The pollutent that livestock and poultry farms in scale produces mainly contains solid manure, sewage and foul gas; contain a large amount of nitrogen, phosphorus, suspended substance and pathogenic bacterium in fecaluria movement and the waste water; amount of pollutants is big and concentrated, especially serious with water pollution and stench pollution on the environment.
Feces of livestock and poultry is the important substance basis of biogas fermentation; most of livestock and poultry farms in scale all has the marsh gas power generation device; can produce natural pond liquid and natural pond slag after the marsh gas power generation; though natural pond liquid and natural pond slag can be for the production of fertilizers; but a large amount of natural pond liquid and natural pond slag still can well be utilized; the livestock and poultry farm that has utilizes unprocessed random discharging on rainy day, serious pollution local ecotope.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of method of utilizing the butt lake silt to produce ecological, environmental protective nutrition soil is provided.
Utilize the butt lake silt to produce the method for ecological, environmental protective nutrition soil: earlier ecological, environmental protective nutrition soil work in-process to be added in the dual horizontal axle forced mixer, again natural pond liquid is evenly added in the ecological, environmental protective nutrition soil work in-process, after mixing with ecological, environmental protective nutrition soil work in-process, the process rotary conveyor is transported to and is squeezed into irregular particle in the twin rollers, irregular particle being imported in the integrated soil disinfection insect-killing device carry out sterilizing pesticide and oven dry, is the finished product of ecological environmental protection nutritive soil through the irregular particle after sterilizing pesticide and the oven dry.
Edible fungi residue, ferrous sulfate, zinc sulfate, ammonium molybdate, copper sulfate, borax, manganous sulfate, natural pond liquid and natural pond slag after the feces of livestock and poultry of ecological, environmental protective nutrition soil after by butt lake silt, high sticking attapulgite clay powder, bentonite in powder, fermentation, edible fungi residue, the carbonization are formed.
The butt lake silt is to have adopted the mud of stacking or abandoning in the engineerings such as dredging harbour, navigation channel, lake and river, contain elements such as a large amount of nitrogen, phosphorus, potassium in the butt lake silt, its content surpasses general soil, and these elements necessary for plant growth nutrition just, the present invention selects for use through the butt lake silt after pulverizing, the water ratio of butt lake silt is less than 18%, and particle fineness is less than 3 millimeters.
Attapulgite clay be a kind of layer of chain-like structure contain Shuifu County's zeopan clay mineral, high sticking attapulgite clay soil property exquisiteness, water-absorbent is strong, higher viscosity and the plasticity-of tool when wet, be conducive to the bonding between the ecological, environmental protective nutrition soil raw material, and can adsorb heavy metal ion and carcinogenic substance in the ecological, environmental protective nutrition soil, but also deodorizing eliminates the unusual smell, keep the nutritive ingredient in the ecological, environmental protective nutrition soil not run off, be conducive to growth and development of plant.
High sticking attapulgite clay powder refers to get 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water again, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 20 minutes, to pour in the beaker of 250ml the viscosity of using NDJ-1 type rotational viscosimeter to test its suspension, tested viscosity value 〉=2200 again through the high-speed stirring sample suspension into
MPasThe attapulgite clay powder be high sticking attapulgite clay powder, the height that the present invention selects for use glues attapulgite clay powder particles fineness≤0.074 millimeter.
Bentonite in powder has strong water absorbability and swelling property, adsorbable 8～15 times to the water yield of own vol, volumetric expansion can reach several times even 30 times; Can be dispersed into as a form of gel and suspension in water medium, this medium solution has certain glutinousness, thixotropy and oilness; Stronger cation exchange capacity (CEC) is arranged; All gases, liquid, organic substance are had certain adsorptive power, and maximal absorptive capacity can reach 5 times to the weight of self; The admixture of it and water, mud or fine sand has plasticity-and agglutinating value(of coal), bentonite in powder particle fineness≤0.074 that the present invention selects for use millimeter.
Feces of livestock and poultry after the fermentation refers to pig, ox, sheep, chicken, feces of livestock and poultry such as duck and goose is concentrated or is fermented separately, contain abundant nutritive element and organic matter in the feces of livestock and poultry by fermentation, it is a kind of good organic fertilizer resource, can improve the utilizability nitrogen of ecological, environmental protective nutrition soil, phosphorus, potassium, organic content and the growth that promotes plant, increase the organic content of ecological, environmental protective nutrition soil, improve the physico-chemical property of ecological, environmental protective nutrition soil, improve the yield and quality of crop, can also kill excrement colibacillus group, roundworm egg, germ and insects such as nematode.
Edible fungi residue is remaining waste behind the various mushrooms of cultivation, it contains protein and other nutritive substance, the title that " tropina " arranged, contain a large amount of mycelium, the bacterium slag is loose ventilative, can in ecological, environmental protective nutrition soil, further resolve into the soil ulmin with good ventilation, water-holding capacity, can increase the ventilation property of ecological, environmental protective nutrition soil, avoid the ecological, environmental protective nutrition local products life phenomenon that hardens, the bacterium slag is rich in organism and multiple mineral element, can improve ecological, environmental protective nutrition soil, increase the fertility of ecological, environmental protective nutrition soil.
Edible fungi residue after the carbonization is that edible fungi residue is carried out roasting under anoxic condition, black edible fungi residue after the roasting is the edible fungi residue after the carbonization, contain a large amount of potash fertilizer in the edible fungi residue after the carbonization, and can further strengthen the ventilation property of ecological, environmental protective nutrition soil.
Iron is to form the necessary element of chlorophyll, and plant just produces chlorosis during iron deficiency, and it is faint yellow that blade is, even is white, and the present invention selects ferrous sulfate for use.
Zinc is the component of some enzyme in the plant materials, and zinc also is to promote that some metabolic reactions are essential, and zinc generates and forms carbohydrate and is absolutely necessary for chlorophyll, and the present invention selects zinc sulfate for use.
The physiological function of molybdenum in plant materials mainly show aspect the nitrogen metabolism, and molybdenum can also promote photosynthetic intensity and eliminate active aluminum in the acid soil to accumulate and the toxic action that produces that the present invention selects ammonium molybdate for use in plant materials.
Copper has the ability that improves plant chlorophyll stability, avoids chlorophyll to wreck too early, is conducive to blade and carries out photosynthesis better, and the present invention selects copper sulfate for use.
Boron can promote the normal operation of carbohydrate, and the position that boron-containing quantity is the highest in plant materials is colored, so boron deficiency often shows as " colored and unreal ", and the present invention selects borax for use.
Manganese can promote the metabolism of carbohydrate and the metabolism of nitrogen, with growth and development of plants and output substantial connection is arranged, and the present invention selects manganous sulfate for use.
Natural pond liquid has been killed harmful viral bacterium through microbiological degradation, contains the nutrient of various plants growth, rich in amino acid and various tethelin, and VITAMIN etc. are a kind of quick-acting and the long-lasting liquid fertilizer that has both and become thoroughly decomposed.
The 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 improving the soil.
The present invention is achieved by following technical proposals:
1, utilize the butt lake silt to produce the method for ecological, environmental protective nutrition soil: earlier ecological, environmental protective nutrition soil work in-process to be added in the dual horizontal axle forced mixer that has moved, again natural pond liquid is evenly added in the ecological, environmental protective nutrition soil work in-process in the dual horizontal axle forced mixer, after ecological, environmental protective nutrition soil work in-process and natural pond liquid mix, the process rotary conveyor is transported to and is squeezed into irregular particle in the twin rollers, irregular particle being imported in the integrated soil disinfection insect-killing device carry out sterilizing pesticide and oven dry, is the finished product of ecological environmental protection nutritive soil through the irregular particle after sterilizing pesticide and the oven dry.
Described butt lake silt is produced the batching of ecological, environmental protective nutrition soil and is made up of following component by weight percentage: ecological, environmental protective nutrition soil work in-process 55～85% and natural pond liquid 15～45%.
The half-finished batching of described ecological, environmental protective nutrition soil is made up of following component by weight percentage: the edible fungi residue 1～10% after the feces of livestock and poultry 2～25% after butt lake silt 35～80%, the fermentation, edible fungi residue 2～20%, natural pond slag 2～20%, the carbonization, high sticking attapulgite clay powder 1～10%, bentonite in powder 1～10% and trace element mixture 0.01～2%.
The batching of described trace element mixture is made up of following component by weight percentage: ferrous sulfate 0.01～25%, zinc sulfate 0.01～25%, ammonium molybdate 0.01～20%, copper sulfate 0.01～20%, borax 0.01～20% and manganous sulfate 0.01～20%.
Described integrated soil disinfection insect-killing device is formed by adding hometown earth sterilizing pesticide device and pot arch, add hometown earth sterilizing pesticide device by cylindrical conduit, ring flange, hopper, sterilizing pesticide chamber, spiral conveying blade, central shaft, sealing plate, sealing-ring, discharge nozzle, vapor pipe, thermopair, bearing support, shaft coupling and buncher form; Pot arch is made up of body of heater, combustion chamber, furnace bottom, ash storage room, ash-removing door, gas blower, chimney, refractory materials, fire bars, blast pipe and fire door.
The separate case application of integrated soil disinfection insect-killing device patent of invention, number of patent application is: 201210086118.1 and 201210087882.0.
Utilize the butt lake silt to produce ecological, environmental protective nutrition soil, have the advantages that technology is simple, production efficiency is high and with low cost, can be at the harbour, the dredging scene in navigation channel, lake and river, adopt the lake silt of having stacked or having abandoned to process the ecological, environmental protective nutrition soil of various prescriptions, effectively handle and take full advantage of lake silt, save a large amount of land resources, can adopt the commercialization mode that lake silt is carried out comprehensive development and utilization.
Utilize in the ecological, environmental protective nutrition soil of lake silt production and contain attapulgite clay and wilkinite; can adsorb heavy metal, organic pollutant, various pathogenic bacteria and Parasites in the lake silt; be conducive to preserve the ecological environment, avoid surrounding enviroment are caused secondary pollution.
Ecological, environmental protective nutrition soil finished product is through sterilizing pesticide with after drying, can guarantee the inner quality of ecological, environmental protective nutrition soil, contain a large amount of nitrogen, phosphorus, potassium, organic matter and various trace elements in the ecological, environmental protective nutrition soil finished product, be that a kind of nutrition is complete, fertilizer efficiency is high, nontoxic, harmless and do not have the high-quality ecological, environmental protective nutrition soil of stink, can provide plant-growth necessary nutritive element, do not use chemical nitrogen fertilizer and chemical pesticide, reduce pathogenic bacteria and insect to the harm of plant, the normal growth that is conducive to plant is grown.
Utilize the butt lake silt to produce the method for ecological, environmental protective nutrition soil, the lake silt that is applicable to stack or abandons is main raw material, the ecological, environmental protective nutrition soil of production multiple formulations.
Embodiment
The invention will be further described below in conjunction with embodiment:
1, utilize the butt lake silt to produce the method for ecological, environmental protective nutrition soil: earlier the half-finished batching of ecological, environmental protective nutrition soil to be added in the dual horizontal axle forced mixer that has moved, again natural pond liquid is evenly added in the ecological, environmental protective nutrition soil work in-process in the dual horizontal axle forced mixer, after ecological, environmental protective nutrition soil work in-process and natural pond liquid mix, the process rotary conveyor is transported to and is squeezed into irregular particle in the twin rollers, irregular particle being imported in the integrated soil disinfection insect-killing device carry out sterilizing pesticide and oven dry, is the finished product of ecological environmental protection nutritive soil through the irregular particle after sterilizing pesticide and the oven dry.
Described butt lake silt is produced the batching of ecological, environmental protective nutrition soil and is made up of following component by weight percentage: ecological, environmental protective nutrition soil work in-process 65% and natural pond liquid 35%.
The half-finished batching of described ecological, environmental protective nutrition soil is made up of following component by weight percentage: the edible fungi residue 3% after the feces of livestock and poultry 12% after butt lake silt 64%, the fermentation, edible fungi residue 8%, natural pond slag 8%, the carbonization, high sticking attapulgite clay powder 3%, bentonite in powder 1.9% and trace element mixture 0.1%.
The batching of described trace element mixture is made up of following component by weight percentage: ferrous sulfate 20%, zinc sulfate 20%, ammonium molybdate 18%, copper sulfate 18%, borax 16% and manganous sulfate 8%.
Claims (1)
1. method of utilizing the butt lake silt to produce ecological, environmental protective nutrition soil, it is characterized in that, earlier ecological, environmental protective nutrition soil work in-process are added in the dual horizontal axle forced mixer that has moved, again natural pond liquid is evenly added in the ecological, environmental protective nutrition soil work in-process in the dual horizontal axle forced mixer, after ecological, environmental protective nutrition soil work in-process and natural pond liquid mix, the process rotary conveyor is transported to and is squeezed into irregular particle in the twin rollers, irregular particle being imported in the integrated soil disinfection insect-killing device carry out sterilizing pesticide and oven dry, is the finished product of ecological environmental protection nutritive soil through the irregular particle after sterilizing pesticide and the oven dry;
Described butt lake silt is produced the batching of ecological, environmental protective nutrition soil and is made up of following component by weight percentage: ecological, environmental protective nutrition soil work in-process 55～85% and natural pond liquid 15～45%;
The half-finished batching of described ecological, environmental protective nutrition soil is made up of following component by weight percentage: the edible fungi residue 1～10% after the feces of livestock and poultry 2～25% after butt lake silt 35～80%, the fermentation, edible fungi residue 2～20%, natural pond slag 2～20%, the carbonization, high sticking attapulgite clay powder 1～10%, bentonite in powder 1～10% and trace element mixture 0.01～2%;
The batching of described trace element mixture is made up of following component by weight percentage: ferrous sulfate 0.01～25%, zinc sulfate 0.01～25%, ammonium molybdate 0.01～20%, copper sulfate 0.01～20%, borax 0.01～20% and manganous sulfate 0.01～20%;
The sticking attapulgite clay powder of described height refers to get 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water again, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 20 minutes, to pour in the beaker of 250ml the viscosity of using NDJ-1 type rotational viscosimeter to test its suspension, tested viscosity value 〉=2200 again through the high-speed stirring sample suspension into
MPasThe attapulgite clay powder be high sticking attapulgite clay powder, high sticking attapulgite clay powder particles fineness≤0.074 millimeter.
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| CN2012101107100A CN102603423B (en) | 2012-04-17 | 2012-04-17 | Method for producing ecological environment-protecting nutritive soil by utilizing dry-basis lake sludge |
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| CN2012101107100A CN102603423B (en) | 2012-04-17 | 2012-04-17 | Method for producing ecological environment-protecting nutritive soil by utilizing dry-basis lake sludge |
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| CN102603423B true CN102603423B (en) | 2013-10-09 |
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| CN115417734A (en) * | 2022-09-28 | 2022-12-02 | 刘妍 | Preparation method of artificially brewed black soil |
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