CN104945179A - Production method for wollostonite tailings carbonized nutrient soil - Google Patents
Production method for wollostonite tailings carbonized nutrient soil Download PDFInfo
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- CN104945179A CN104945179A CN201510442842.7A CN201510442842A CN104945179A CN 104945179 A CN104945179 A CN 104945179A CN 201510442842 A CN201510442842 A CN 201510442842A CN 104945179 A CN104945179 A CN 104945179A
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Abstract
The invention discloses a production method for wollostonite tailings carbonized nutrient soil. The production method is characterized by comprising the following steps: first, stirring the ingredients of wollostonite tailings carbonized soil, extruding the mixture into flaky particles, and carrying out carbonization treatment to obtain the wollostonite tailings carbonized soil; then, conducting pelletization and sterilization on the ingredients of the wollostonite tailings carbonized nutrient soil, and carrying out packaging to obtain the wollostonite tailings carbonized nutrient soil. The wollostonite tailings carbonized nutrient soil comprises wollostonite tailings, waste residues of activated clay, peat, attapulgite clay, bentonite, zeolite, waste, vermiculite, diammonium phosphate, pearlite, super absorbent resin and ferrous sulfate, contains large amounts of nitrogen, phosphorus and potassium as well as large quantities of organic matters and microelements, serves as high-quality nutrient soil being complete in nutrition ingredients, high in fertilizer efficiency, nontoxic, sterile, harmless, odorless and high in water-retention performance, and is applicable to planting of flowers and seedlings. The production method is applicable to production of carbonized nutrient soil and nutrition mediums.
Description
Technical field
The present invention relates to Nutrition Soil, be specifically related to the production method of a kind of wollastonite mine tailing charing Nutrition Soil.
Background technology
The Nutrition Soil raw material that existing flower plants and nursery stock uses is formulated by material mixing such as mountain mud, garden mould, pond sludge, peat soil, river sand, plant ash, wood chip, agricultural crop straw, mushroom cultivation dead meal and soil ulmin mostly, these Nutrition Soils are not through reasonably preparing burden and sterilization, preserve moisture and fertility ability, permeability is bad, easily harden, mineral matter nutritional in Nutrition Soil is difficult to be absorbed by flower plants and nursery stock, flower plants and nursery stock also can be subject to the virus and bacteria in soil and newly sprout the infringement of weeds, is unfavorable for that the normal growth of flower plants and nursery stock is grown.
Phosphorus and potassium are all that flower plants and nursery stock grows required nutritive element, although containing a certain amount of phosphorus and potassium in Nutrition Soil, but major part belongs to late effect property phosphorus and potassium, directly can not be absorbed by flower plants and nursery stock root system, cause flower plants and nursery stock poor growth, the normal growth affecting flower plants and nursery stock is grown, therefore, phosphorus in Nutrition Soil and potassium, need be converted into solubility rapid available phosphorus and potassium directly could be absorbed by plant.
Mineral Resources in China 80% is intergrowth mineral, a large amount of valuable phosphorus, potassium and trace element retain among mine tailing, tailings impoundment needs to take a large amount of soil, a lot of Tailings Dam exceeds the time limit or excess load uses, even violation operation, make Tailings Dam there is great potential safety hazard, serious threat is caused to people's property of surrounding area and life security.
Wollastonite natural type has Skarn-type ore and wollastonite-quartz-calcite type ore two class usually, and the former mainly originates in skarn ore deposits, and mineral constituent is complicated, normal association quartz, calcite and the skarn mineral such as diopside, garnet.
There is a large amount of wollastonite mine tailings in wollastonite mining area, can well be developed.
Summary of the invention
The object of the invention is to overcome weak point in prior art, provide a kind of wollastonite mine tailing to carbonize the production method of Nutrition Soil.
The production method of wollastonite mine tailing charing Nutrition Soil: first the batching of wollastonite mine tailing charing soil is stirred and be squeezed into platy shaped particle, charing is treated to wollastonite mine tailing charing soil, again by the batching granulation of wollastonite mine tailing charing Nutrition Soil and sterilizing, be packaged as the finished product of wollastonite mine tailing charing Nutrition Soil.
Wollastonite mine tailing charing Nutrition Soil is made up of the waste after wollastonite mine tailing, active white clay waste slag, mud coal, attapulgite clay, wilkinite, zeolite, pulverizing, the waste after bubble system, vermiculite, diammonium phosphate, perlite and High hydrophilous resin.
Wollastonite is a kind of inorganic needle-like mineral, its feature is nontoxic, resistance to chemical attack, thermostability and dimensional stabilizing good, there are glass and pearliness, low water absorption and oil-absorption(number), mechanical property and electrical property excellent and there is certain strengthening action, the present invention selects the wollastonite mine tailing after pulverizing, particle fineness≤0.5 millimeter of wollastonite mine tailing.
Atlapulgite is with attapulgite clay, wilkinite and gac for raw material, the sorbent material that the activity processed through acidification is higher, is widely used in grease-decolor; Atlapulgite after decolouring loses activity, can not regenerate and reuse, become a kind of auburn active white clay waste slag, in active white clay waste slag, oil length is up to 15 ~ 40%, active white clay waste slag is after again recycling, still remain the grease of 5 ~ 25%, these active white clay waste slags not only can produce spontaneous combustion, and serious environment pollution, at present, most of oil factory adopts water to spray or melt pit is buried, and as offal treatment, causes resource to waste.
Mud coal is a kind of byproduct in coal production process, Qi Zhongyou: mud coal, waste dump that the floating tail-coal of Oversized Coking Coal Cleaning Plant, the mud coal of coal-water mixture output, mine drainage are carried secretly water the mud coal washing away; There is due to mud coal many unfavourable condition such as high-moisture, high viscosity, high retentiveness and low heat value, be difficult to realize industrial application, kept outside of the door by user for a long time, containing more phosphorus, potassium and trace element in mud coal, but directly can not be absorbed by plant, the present invention selects the mud coal after pulverizing, particle fineness≤0.5 millimeter of mud coal.
Attapulgite clay 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.Attapulgite clay can adsorb foreign odor taste, heavy metal ion and carcinogenic substance in Nutrition Soil, the nutritive ingredient in Nutrition Soil is kept not run off, be conducive to growing of plant, the present invention selects the attapulgite clay after pulverizing, particle fineness≤0.5 millimeter of attapulgite clay.
Wilkinite is the moisture clay pit based on montmorillonite, because it has special character, as bloating tendency, cohesiveness, adsorptivity, catalytic, thixotropy, suspension and cationic exchange, wilkinite has stronger water absorbability and swelling property, adsorbable 8 ~ 15 times to the water yield of own vol, volumetric expansion can reach several times to 30 times, can be dispersed into as a form of gel and suspension in water medium, the present invention selects the wilkinite after pulverizing, bentonitic particle fineness≤0.5 millimeter.
Zeolite is the general name of a kind of moisture alkali or alkaline-earth metal rack-like aluminium silicate mineral, the internal structure of its uniqueness and crystal physico-chemical property, make it have the excellent physicochemical properties such as absorption, ion-exchange, catalyzed reaction, acidproof, heat-resisting and radiation hardness, being agriculturally used as soil improvement agent, fertilizer conservation, water conservation can being played, prevent disease and pest.The present invention selects the zeolite after pulverizing, particle fineness≤0.5 millimeter of zeolite.
The stalk of a large amount of farm crop, wood chip, bamboo bits, leaf and bark the like waste, be discarded in around farmland or roadside, mostly burned fall, severe contamination Air quality; Waste after pulverizing pulverizes after the straw of farm crop, wood chip, bamboo bits and leaf the like waste being dried, waste length≤25 millimeter after pulverizing.
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.The present invention selects the vermiculite after pulverizing, particle fineness≤0.5 millimeter of vermiculite.
Diammonium phosphate is a kind of readily avaiable fertilizer of high density, is applicable to various crop and soil, is specially adapted to the crop that nitrophilous needs phosphorus, makes base manure or topdress.
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, and pearlstone is fertilizer conservation, water conservation, aseptic, good permeability on agricultural, gardens.The present invention selects the pearlstone after pulverizing, particle fineness≤2.0 millimeter of pearlstone.
Ferrous sulfate 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 for regulating wollastonite mine tailing to carbonize the pH value of Nutrition Soil and the supplement as plant ferro element, physiological disturbance is there is in control plant because of iron deficiency, make leaf look chlorosis, can also be used to kill liver moss.
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 wollastonite mine tailing charing Nutrition Soil: (1) stir in the stirrer of the batching input running of wollastonite mine tailing charing soil, be transported to after stirring in twin rollers and be squeezed into irregular platy shaped particle, thickness≤8 millimeter of platy shaped particle; (2) wollastonite mine tailing is carbonized native platy shaped particle to be transported in rotary type charring furnace and to carry out charing and be treated to wollastonite mine tailing and carbonize native work in-process, in rotary type charring furnace, carbonization temperature controls at 250 ~ 450 DEG C, and carbonization time controls at 30 ~ 90 minutes; (3) at rotary type charring furnace discharge port, a high pressure spray water xi shower nozzle is installed, adopt high pressure spray water xi, wollastonite mine tailing just in anoxycausis is carbonized native work in-process extinguish fast, wollastonite mine tailing carbonizes native work in-process and extinguishes the rear wollastonite mine tailing for black charing soil, and wollastonite mine tailing carbonizes native water content≤25%; (4) stir in the stirrer of wollastonite mine tailing charing Nutrition Soil half-finished batching input running, inputting Squeezinggranulator granulation after stirring is wollastonite mine tailing charing Nutrition Soil semi-finished granules, particle diameter controls at 6 ~ 12 millimeters, and particle length controls at 6 ~ 20 millimeters; (5) be transported in rotary type sterilization stove by wollastonite mine tailing charing Nutrition Soil semi-finished granules, carry out temperature sterilization and drying, temperature controls at 60 ~ 100 DEG C, and time controling was at 30 ~ 90 minutes; (6) sterilizing and dried wollastonite mine tailing charing Nutrition Soil water content≤20%, be packaged as the finished product of wollastonite mine tailing charing Nutrition Soil after cooling.
2, the batching of wollastonite mine tailing charing soil is made up of following component by weight percentage: waste 5 ~ 15%, vermiculite 0.5 ~ 5% and water 5 ~ 45% after wollastonite mine tailing 15 ~ 35%, active white clay waste slag 10 ~ 30%, mud coal 5 ~ 25%, attapulgite clay 5 ~ 20%, wilkinite 0 ~ 15%, zeolite 0 ~ 15%, pulverizing.
3, the half-finished batching of wollastonite mine tailing charing Nutrition Soil is made up of following component by weight percentage: waste 5 ~ 25%, diammonium phosphate 0.2 ~ 10%, pearlstone 0.5 ~ 5%, High hydrophilous resin 0.1 ~ 5%, ferrous sulfate 0 ~ 3% and water 0 ~ 35% after wollastonite mine tailing charing soil 45 ~ 75%, bubble system.
4, the batching of bubble waste is made up of following component by weight percentage: the waste 35 ~ 75% after pulverizing and water 25 ~ 65%; The method of bubble waste: first the waste after pulverizing is transported in fermentation vat, add water after again the waste after pulverizing being shakeout, waste after pulverizing is all immersed in water, and the retting in water of the waste after pulverizing 10 ~ 30 days is the waste after bubble system afterwards.
5, described in the present invention, PCm is all weight percentage.
Waste after wollastonite mine tailing in wollastonite mine tailing charing soil, active white clay waste slag, mud coal, attapulgite clay, wilkinite, zeolite, pulverizing and vermiculite are after charing, phosphorus, potassium compound and the various trace elements that can will directly be able to not be absorbed by flower plants and nursery stock, be converted into the phosphorus of solubility, potassium, trace element and organic carbon.
Wollastonite mine tailing charing soil after charing process, can expand wollastonite mine tailing, attapulgite clay, wilkinite, the porosity of zeolite and adsorptive power; Active white clay waste slag is when carbonizing process, and mineral raw material and residual grease are rapidly converted into the phosphorus of solubility, potassium and trace element; Vermiculite, when 250 ~ 450 DEG C of charing process, is directly puffed to expanded vermiculite, is conducive to improving the porosity in wollastonite mine tailing charing soil.
Waste after active white clay waste slag, mud coal and pulverizing is when carbonizing process, not only can be converted into the phosphorus of solubility, potassium and trace element, under anoxic condition, the heat energy of self can also be given full play to, promote that the batching of wollastonite mine tailing charing soil completes charing whole process fast.
Adopt waste to be directly added to the water and carries out retting fermentation, to reduce the hardness of waste, improve the flexibility of fiber in waste, leach the nutritive ingredient easily absorbed by flower plants and nursery stock and the porosity increasing wollastonite mine tailing charing Nutrition Soil.
After wollastonite mine tailing charing soil in wollastonite mine tailing charing Nutrition Soil batching, the waste after bubble system, diammonium phosphate, pearlstone, High hydrophilous resin and the granulation of ferrous sulfate extrusion; define an overall particle; the nutritive ingredient in wollastonite mine tailing charing Nutrition Soil is kept not run off; be conducive to nitrogen, phosphorus, potassium, trace element and the organism nutritive substance slow releasing in wollastonite mine tailing charing Nutrition Soil, guarantee that flower plants and nursery stock grows required nutrition.
Wollastonite mine tailing charing Nutrition Soil, after sterilizing and drying, can kill germ and the insect such as excrement colibacillus group, roundworm egg, nematode that in wollastonite mine tailing charing Nutrition Soil, Disabled stays, weed seed can also be steamed dead, avoid the germination of weed seed.
Containing a large amount of nitrogen, phosphorus, potassium, organic matter and various trace elements in wollastonite mine tailing charing 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, be applicable to plantation flowers and nursery stock.
Wollastonite mine tailing charing Nutrition Soil uses with local mixing with soil, be conducive to the crumb structure improveing local soil, keep loosing soil, strengthen soil fertility, reduce the leaching loss of nutrient in soil, more effectively water conservation and fertilizer conservation, and can reduce because soil passes the generation of withered, the climing disease such as withered, viral, wollastonite mine tailing charing Nutrition Soil is also applicable to soil improvement, desertification control and alkaline land improvement.
Adopt production method of the present invention to produce wollastonite mine tailing charing Nutrition Soil, production technique is simple, does not have waste gas, dust and dry sound, be conducive to preserving the ecological environment, avoid and cause secondary pollution to surrounding enviroment in whole production process.
The multiple waste of a large amount of employing in the batching of wollastonite mine tailing charing 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 wollastonite mine tailing charing Nutrition Soil is applicable to charing Nutrition Soil and the nutraceutical matrix of producing different ingredients.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
1, the production method of wollastonite mine tailing charing Nutrition Soil: (1) stir in the stirrer of the batching input running of wollastonite mine tailing charing soil, be transported to after stirring in twin rollers and be squeezed into irregular platy shaped particle, thickness≤6 millimeter of platy shaped particle; (2) wollastonite mine tailing is carbonized native platy shaped particle to be transported in rotary type charring furnace and to carry out charing and be treated to wollastonite mine tailing and carbonize native work in-process, in rotary type charring furnace, carbonization temperature controls at 300 ~ 400 DEG C, and carbonization time controls at 60 minutes; (3) at rotary type charring furnace discharge port, a high pressure spray water xi shower nozzle is installed, adopt high pressure spray water xi, wollastonite mine tailing just in anoxycausis is carbonized native work in-process extinguish fast, wollastonite mine tailing carbonizes native work in-process and extinguishes the rear wollastonite mine tailing for black charing soil, and wollastonite mine tailing carbonizes native water content≤20%; (4) stir in the stirrer of wollastonite mine tailing charing Nutrition Soil half-finished batching input running, inputting Squeezinggranulator granulation after stirring is wollastonite mine tailing charing Nutrition Soil semi-finished granules, particle diameter controls at 8 millimeters, and particle length controls at 12 millimeters; (5) be transported in rotary type sterilization stove by wollastonite mine tailing charing Nutrition Soil semi-finished granules, carry out temperature sterilization and drying, temperature controls at 80 ~ 90 DEG C, and time controling was at 65 minutes; (6) sterilizing and dried wollastonite mine tailing charing Nutrition Soil water content≤10%, be packaged as the finished product of wollastonite mine tailing charing Nutrition Soil after cooling.
2, the batching of wollastonite mine tailing charing soil is made up of following component by weight percentage: waste 8%, vermiculite 1% and water 20% after wollastonite mine tailing 25%, active white clay waste slag 18%, mud coal 13%, attapulgite clay 6%, wilkinite 4%, zeolite 5%, pulverizing.
3, the half-finished batching of wollastonite mine tailing charing Nutrition Soil is made up of following component by weight percentage: waste 23%, diammonium phosphate 4%, pearlstone 3%, High hydrophilous resin 0.6%, ferrous sulfate 0.4% and water 17% after wollastonite mine tailing charing soil 52%, bubble system.
4, the batching of bubble waste is made up of following component by weight percentage: the waste 52% after pulverizing and water 48%; The method of bubble waste: first the waste after pulverizing is transported in fermentation vat, add water after again the waste after pulverizing being shakeout, waste after pulverizing is all immersed in water, and the retting in water of the waste after pulverizing 22 days is the waste after bubble system afterwards.
Claims (2)
1. the production method of a wollastonite mine tailing charing Nutrition Soil, it is characterized in that, (1) stir in the stirrer of the batching input running of wollastonite mine tailing charing soil, be transported to after stirring in twin rollers and be squeezed into irregular platy shaped particle, thickness≤8 millimeter of platy shaped particle; (2) wollastonite mine tailing is carbonized native platy shaped particle to be transported in rotary type charring furnace and to carry out charing and be treated to wollastonite mine tailing and carbonize native work in-process, in rotary type charring furnace, carbonization temperature controls at 250 ~ 450 DEG C, and carbonization time controls at 30 ~ 90 minutes; (3) at rotary type charring furnace discharge port, a high pressure spray water xi shower nozzle is installed, adopt high pressure spray water xi, wollastonite mine tailing just in anoxycausis is carbonized native work in-process extinguish fast, wollastonite mine tailing carbonizes native work in-process and extinguishes the rear wollastonite mine tailing for black charing soil, and wollastonite mine tailing carbonizes native water content≤25%; (4) stir in the stirrer of wollastonite mine tailing charing Nutrition Soil half-finished batching input running, inputting Squeezinggranulator granulation after stirring is wollastonite mine tailing charing Nutrition Soil semi-finished granules, particle diameter controls at 6 ~ 12 millimeters, and particle length controls at 6 ~ 20 millimeters; (5) be transported in rotary type sterilization stove by wollastonite mine tailing charing Nutrition Soil semi-finished granules, carry out temperature sterilization and drying, temperature controls at 60 ~ 100 DEG C, and time controling was at 30 ~ 90 minutes; (6) sterilizing and dried wollastonite mine tailing charing Nutrition Soil water content≤20%, be packaged as the finished product of wollastonite mine tailing charing Nutrition Soil after cooling;
The batching of described wollastonite mine tailing charing soil is made up of following component by weight percentage: waste 5 ~ 15%, vermiculite 0.5 ~ 5% and water 5 ~ 45% after wollastonite mine tailing 15 ~ 35%, active white clay waste slag 10 ~ 30%, mud coal 5 ~ 25%, attapulgite clay 5 ~ 20%, wilkinite 0 ~ 15%, zeolite 0 ~ 15%, pulverizing;
The half-finished batching of described wollastonite mine tailing charing Nutrition Soil is made up of following component by weight percentage: waste 5 ~ 25%, diammonium phosphate 0.2 ~ 10%, pearlstone 0.5 ~ 5%, High hydrophilous resin 0.1 ~ 5%, ferrous sulfate 0 ~ 3% and water 0 ~ 35% after wollastonite mine tailing charing soil 45 ~ 75%, bubble system;
The batching of bubble waste is made up of following component by weight percentage: the waste 35 ~ 75% after pulverizing and water 25 ~ 65%; The method of bubble waste: first the waste after pulverizing is transported in fermentation vat, add water after again the waste after pulverizing being shakeout, waste after pulverizing is all immersed in water, and the retting in water of the waste after pulverizing 10 ~ 30 days is the waste after bubble system afterwards.
2. a kind of wollastonite mine tailing carbonizes the production method of Nutrition Soil according to claim 1, it is characterized in that, particle fineness≤0.5 of particle fineness≤0.5 of particle fineness≤0.5 of particle fineness≤0.5 of wollastonite mine tailing millimeter, mud coal millimeter, attapulgite clay millimeter, bentonitic particle fineness≤0.5 millimeter, zeolite millimeter, pulverize after waste length≤25 millimeter, particle fineness≤0.5 millimeter of vermiculite, particle fineness≤2.0 millimeter of pearlstone and the water absorbent rate of High hydrophilous resin be 100 ~ 300 times.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382609A (en) * | 2017-03-31 | 2017-11-24 | 大连环球矿产股份有限公司 | It is a kind of to utilize siliceous fertilizer (soil conditioner) of wollastonite mine tailing production and preparation method thereof |
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| CN104109040A (en) * | 2014-08-12 | 2014-10-22 | 许盛英 | Production method of mica tailings compressed nutrient soil |
| CN104119182A (en) * | 2014-08-12 | 2014-10-29 | 许盛英 | Method for producing serpentine tailings compressed nutrient soil |
| CN104119157A (en) * | 2014-08-12 | 2014-10-29 | 许盛英 | Production method of wollastonite tailing compressed nutrient soil |
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2015
- 2015-07-27 CN CN201510442842.7A patent/CN104945179A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109040A (en) * | 2014-08-12 | 2014-10-22 | 许盛英 | Production method of mica tailings compressed nutrient soil |
| CN104119182A (en) * | 2014-08-12 | 2014-10-29 | 许盛英 | Method for producing serpentine tailings compressed nutrient soil |
| CN104119157A (en) * | 2014-08-12 | 2014-10-29 | 许盛英 | Production method of wollastonite tailing compressed nutrient soil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107382609A (en) * | 2017-03-31 | 2017-11-24 | 大连环球矿产股份有限公司 | It is a kind of to utilize siliceous fertilizer (soil conditioner) of wollastonite mine tailing production and preparation method thereof |
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