CN106883859A - Soil conditioner and its protectiveness preparation technology - Google Patents
Soil conditioner and its protectiveness preparation technology Download PDFInfo
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- CN106883859A CN106883859A CN201710101148.8A CN201710101148A CN106883859A CN 106883859 A CN106883859 A CN 106883859A CN 201710101148 A CN201710101148 A CN 201710101148A CN 106883859 A CN106883859 A CN 106883859A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Life Sciences & Earth Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention provides a kind of soil conditioner and its protectiveness preparation technology, belong to heavy metal-polluted soil and repair field.The protectiveness preparation technology of the soil conditioner, the raw material for preparing soil conditioner includes major ingredient and auxiliary material, and the technique includes：Major ingredient is carried out into protectiveness roasting and obtains roasting material, sintering temperature is 600~800 DEG C, roasting time is 8~12min, the flow that major ingredient enters roasting apparatus is 0.2~0.4m3/ min, the rotating speed of roasting apparatus is 25~35r/min；The percentage of the water content of the major ingredient after roasting is 8~10%；Wherein, major ingredient includes oyster shell and zeolite, with auxiliary material mixing granulation after roasting material is crushed.It passes through to control the parameter of firing stage to realize the protection for being calcined raw material, so as to farthest protect the nutriment of raw material and avoid the micro- poly- pore structure of raw material from being destroyed.Additionally, present invention also offers a kind of soil conditioner being prepared by above-mentioned protectiveness preparation technology.
Description
Technical field
Field is repaired the present invention relates to heavy metal-polluted soil, in particular to a kind of soil conditioner and its protectiveness system
Standby technique.
Background technology
Effect of natural conditions and long-term high intensity farming and a large amount of quick-acting fertilizers of applying cause soil texture variation (such as soil
It is hardened, desertify etc.), nutrient imbalance, soil fertility decline.In addition, these factors also result in soil severe acidification, it is serious after soil acidification
Influence the validity of fertilizer.Secondly, soil, heavy metal in soil pollution is also increasingly severe, and the heavy metal such as cadmium, tribute can enter to be made
Thing the inside, can influence the health of human body.
In face of the problem of this soil severe exacerbation, people employ various soil conditioners, soil conditioner
It by natural mineral matter (dolomite, lime stone, potassium-bearing shale) is primary raw material to be, is processed by high-temperature calcination, extraction
Product, there is highly significant " water conservation, getting fat, ventilative " three big soil conditioning performances.Additionally, in existing many technologies, using shellfish
, used as raw material, this kind of conditioner takes full advantage of the micro- poly- pore structure of physics in shell, shell-fish material and big for shell, shell-fish
The chemical property of the calcium activated of amount.But the existing soil conditioner by the use of shell as raw material is in the roasting rank of process
Section, easily by the nutritional ingredient of shell and the destruction of micro- poly- pore structure, how the shell in maximum protective roast stage
How nutriment, avoid the micro- poly- pore structure of shell from being destroyed, and is to treat the technical problem to solve at present.
The content of the invention
It is an object of the invention to provide a kind of protectiveness preparation technology of soil conditioner, it passes through to control firing stage
The parameter protection of realizing to raw material roasting, so as to farthest the nutriment of protection raw material and avoid the micro- poly- of raw material
Pore structure is destroyed.
Another object of the present invention is to provide a kind of soil conditioner, it is the protectiveness by above-mentioned soil conditioner
Preparation technology is prepared, and the nutriment of obtained soil conditioner is more and with different micro- poly- pore structures, the soil
Conditioner is more preferable to the improvement of soil.
The present invention is solved its technical problem and is realized using following technical scheme.
A kind of protectiveness preparation technology of soil conditioner, including：
Major ingredient is placed in roasting apparatus to carry out protectiveness roasting and obtains roasting material, and sintering temperature is 600~800 DEG C, roasting
The burning time is 8~12min, and the flow that major ingredient enters roasting apparatus is 0.2~0.4m3/ min, the rotating speed of roasting apparatus for 25~
35r/min；The percentage of the water content of roasting material is 8~10%；Wherein, major ingredient includes oyster shell and zeolite；
Roasting material is crushed, oyster shell powder and zeolite powder is formed, mixing oyster shell powder and zeolite powder are formed major ingredient powder；
And
Major ingredient powder and auxiliary material are mixed to form conditioning powder, are pelletized.
In a preferred embodiment of the invention, the protectiveness preparation technology of above-mentioned soil conditioner is before roasting material is crushed
Also include：Roasting material is carried out into 10~15min of natural cooling, then roasting material is carried out with the rate of temperature fall of 15~25 DEG C/min
5~10min of cooling down.
In a preferred embodiment of the invention, the oyster shell powder in the protectiveness preparation technology of above-mentioned soil conditioner presses matter
Amount percentage meter includes first level flour 30%, second patent flour 30%, three-level powder 10%, level Four powder 20% and Pyatyi powder 10%；Wherein, one
Level powder was the screenings of 80~100 mesh sieves, and second patent flour was the screenings of 60~70 mesh sieves, and three-level powder was 30~40 mesh sieves
Screenings, level Four powder was the screenings of 10~20 mesh sieves, and Pyatyi powder was the oversize of 10~20 mesh sieves.
In a preferred embodiment of the invention, in mixing oyster shell powder in the protectiveness preparation technology of above-mentioned soil conditioner
Before forming major ingredient powder with zeolite powder, also include：In mass ratio it is 1 by oyster shell powder and water:1 ratio is mixed, and is stirred
Heating is mixed, reaction generation precipitation is dried under conditions of being deposited in 80~100 DEG C.
In a preferred embodiment of the invention, major ingredient powder presses quality hundred in the protectiveness preparation technology of above-mentioned soil conditioner
Fraction is that oyster shell powder 80~90% and zeolite powder 10~20% carry out dispensing；Major ingredient powder is 8~9 according to mass ratio with auxiliary material:1
Carry out dispensing.
In a preferred embodiment of the invention, in the protectiveness preparation technology of above-mentioned soil conditioner before granulation, also
Including in conditioning powder add soil fertilizer, and with major ingredient powder, auxiliary material and soil fertilizer mass ratio be 8:1:1 carries out dispensing；Soil
Earth fertilizer includes by mass percentage：Urea 30~50%, calcium magnesium phosphate 20~30%, potassium sulfate 10~20%, biological organic
Fertilizer 5~10%, mushroom slag 10~20% and borax 5~10%.
In a preferred embodiment of the invention, the auxiliary material in the protectiveness preparation technology of above-mentioned soil conditioner presses quality hundred
Fraction meter include marine alga fine powder 30~40%, humic acid 30~50% and bonding agent 10~30%, bonding agent include powder of straw and
Modified starch.
In a preferred embodiment of the invention, the modified starch in the protectiveness preparation technology of above-mentioned soil conditioner is logical
Cross to oxidized starch is formed after adding hydrogen peroxide in starch fluid, add epoxychloropropane modified dose and aoxidized-be crosslinked again
Modified starch is closed to form.
In a preferred embodiment of the invention, the auxiliary material in the protectiveness preparation technology of above-mentioned soil conditioner also includes original
Anthocyanidin, by mass percentage, auxiliary material include algae essence powder 30~35%, humic acid 35~45% and OPC 10~
20%.
A kind of soil conditioner, it is prepared using the protectiveness preparation technology of above-mentioned soil conditioner.
A kind of soil conditioner of present invention offer and its beneficial effect of protectiveness preparation technology are：The embodiment of the present invention
In by the sintering temperature that controls protectiveness to be calcined for 600~800 DEG C, roasting time is 8~12min, and major ingredient sets into roasting
Standby flow is 0.2~0.4m3/ min, the rotating speed of roasting apparatus is 25~35r/min；The percentage of the water content of roasting material is
8~10%；The control of the parameter of each step in realizing being calcined protectiveness, so that the oyster shell after roasting is ensureing to aoxidize
On the premise of the conversion ratio of calcium, nutritional ingredient, micro- poly- pore structure and trace element in protection oyster shell, and then improve soil
Reparation and suction-operated of the conditioner to soil.Using soil conditioner obtained in protectiveness preparation technology to soil and reparation
Ability and high adsorption capacity, can effective improved soil.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below will be in the embodiment of the present invention
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional product that can be obtained by commercially available purchase
Product.
A kind of soil conditioner and its protectiveness preparation technology to the embodiment of the present invention are specifically described below.
A kind of protectiveness preparation technology of soil conditioner, its raw material includes major ingredient and auxiliary material, and it includes carrying out raw material
Following treatment：Pretreatment, protectiveness roasting, cooling, crushing, activation and dispensing.
S1, pre-treatment step.
In the present embodiment, using oyster shell and zeolite as major ingredient, after oyster shell and zeolite are cleaned with water respectively, by oyster
Shell and zeolite carry out simple crushing, the zeolite of the oyster shell after crushing is about original 1/20~1/10.Then remove obvious
The rope of hanging culture on impurity and oyster shell.
S2, protectiveness calcination stepses.
Pretreated oyster shell and zeolite are respectively placed in roasting apparatus carry out protectiveness roasting obtain roasting material.
When carrying out protectiveness roasting, the parameter of roasting is controlled, make the sintering temperature that protectiveness is calcined be 600~800 DEG C, roasting time is
The flow that 8~12min, oyster shell and zeolite enter roasting apparatus is respectively 0.2~0.4m3/ min, the rotating speed of roasting apparatus is
25~35r/min.
The too high roasting degree to oyster shell and zeolite of sintering temperature has significant effect, and is calcined in oyster shell and zeolite
During, if sintering temperature is too low, oyster shell and zeolite cannot thorough roasting, the calcium carbonate in oyster shell and zeolite cannot
Calcium oxide is fully converted to, the conversion ratio of product is low.But when the temperature of roasting is too high, calcium carbonate can be fully converted to oxidation
Calcium, but now the nutritional ingredient of oyster shell and zeolite, micro- poly- pore structure and trace element are destroyed.In the present embodiment, will roast
Temperature control is burnt at 600~800 DEG C, it can be ensured that oyster shell and zeolite ensure that its nutritional ingredient by thorough roasting.
The overlong time of roasting, also easily makes nutritional ingredient, micro- poly- pore structure and the micro- quilt of oyster shell and zeolite
Destruction.And roasting time is too short, easily roasting is incomplete, and the nutritional ingredient conversion ratio in oyster shell and zeolite is not high.Similarly,
During roasting, major ingredient enters the height of the flow of roasting apparatus and the rotating speed speed of roasting apparatus similarly to oyster shell and zeolite
Nutritional ingredient, micro- poly- pore structure and trace element are played an important role.
In the present embodiment, it is 600~800 DEG C to control the sintering temperature that protectiveness is calcined, and roasting time is 8~12min, main
The flow that material enters the roasting apparatus is 0.2~0.4m3/ min, the rotating speed of roasting apparatus is 25~35r/min, and is controlled
The percentage of the water content of the roasting material after protectiveness is calcined is 8~10%.By the co- controlling of above-mentioned multi-parameter, rise
To synergy, to ensure in roasting process, the active ingredient in oyster shell and zeolite is fully converted, while being prevented effectively from male
The micro- poly- pore structure and trace element of oyster shell and zeolite are destroyed.
In the prior art, it is to carry out under hot conditions more than 800 DEG C to oyster shell roasting, or even up to 1200
Oyster shell is calcined at a temperature of~1300 DEG C, the calcium oxide content of the generation of the oyster shell after being now calcined is high, but
The micro- poly- pore structure of calcium oxide is destroyed, and causes the adsorption capacity of its heavy metal to decline.
S3, cooling step.
Roasting material after to being calcined through protectiveness is cooled down.Specifically, the oyster shell and zeolite after roasting are carried out certainly
10~15min is so cooled down, natural cooling is to be cooled down in its natural state, the temperature of roasting material is tentatively lowered the temperature, and is connect
Carries out 10~15min of cooling down to roasting material with the rate of temperature fall of 15~25 DEG C/min.
Because oyster shell and zeolite are respectively provided with micro- poly- pore structure, in their crystal, molecule is connected in as building a framework
Together, it is middle to form many cavitys.Since also there are many hydrones in these cavitys, therefore they are enhydrites.This
A little moisture can be ejected when high temperature is run into, but it can also again reuptake water or other liquid in temperature-fall period.
Zeolite is the manosil AS mineral of a kind of aqueous alkali metal or alkaline-earth metal.Trickle hole is filled with inside zeolite
And passage, this has especially important meaning to reclaiming the metal particles such as copper, lead, cadmium, nickel, molybdenum in industrial wastes.
Oyster shell and zeolite can agriculturally play fertilizer conservation, water conservation, prevent pest and disease damage.In terms of environmental protection, use
To process waste gas, waste water, removed from waste water and waste liquid or reclaim metal ion, remove radioactive pollutant in waste water.
In oyster shell and zeolite by after protectiveness roasting, for prevent roasting material excessive absorption air in moisture, because
This needs to control the cool time of roasting material.When being discharged from roasting apparatus due to the roasting material after roasting, its temperature is higher, first
Natural cooling is carried out to it, to reduce its temperature, it is to avoid directly lowered the temperature under certain rate of temperature fall, be easily destroyed cooling and set
It is standby.Further, since during natural cooling, roasting material is in temperature state higher, the moisture in air cannot be introduced into roasting material, fill
Divide the drying property that ensure that roasting material.
When by after natural cooling, the temperature of roasting material obtains certain cooling, then fast with the cooling of 15~25 DEG C/min
Rate carries out 5~10min of cooling down, to ensure roasting material fast cooling, to reduce the time of roasting material and air contact, so that
Ensure the drying property of roasting material.
S4, pulverising step.
Roasting material after cooling is carried out to be ground into major ingredient powder.
Because the major ingredient in the present embodiment includes oyster shell and zeolite, meanwhile, it is difference when oyster shell and zeolite are calcined
Roasting, therefore the oyster shell and zeolite after roasting crushed respectively, oyster shell powder and zeolite powder are respectively obtained, by oyster shell
Powder and zeolite powder are mixed to get the major ingredient powder in the present embodiment.
Specifically, when oyster shell is crushed, oyster shell powder is broken into different size of oyster shell powder, it is male in the present embodiment
Oyster shells includes first level flour, second patent flour, three-level powder, level Four powder and Pyatyi powder.Wherein, first level flour is that 80 are crossed after oyster shell is crushed
The screenings of~100 mesh sieves, second patent flour was the screenings of 60~70 mesh sieves, and three-level powder was the screenings of 30~40 mesh sieves,
Level Four powder was the screenings of 10~20 mesh sieves, and Pyatyi powder was the oversize of 10~20 mesh sieves.That is to say, wrapped in oyster shell powder
Five kinds of different powder of particle size are included, specifically, oyster shell powder includes first level flour 30%, second patent flour by mass percentage
30%th, three-level powder 10%, level Four powder 20% and Pyatyi powder 10% carries out dispensing.
Because the micro- poly- pore structure of the powder of variable grain size is different, by controlling the big of different particulates in the present embodiment
It is small, at the same according to certain proportioning mixing it is above-mentioned can not granular size powder, make the micro- poly- pore structure of oyster shell powder more polynary
Change, so as to adsorb more different types of heavy metal substances.
Because oyster shell powder is a kind of more micro- poly- pore structure arrangement, with superpower adsorptivity, Adsorption of Heavy Metals excellent,
Water imbibition is conventional soil conditioner more than 3 times, can make water-loss reducer, and retain water and nutrients prevent liquid manure to be lost in, with drought resistance.Cause
The micro- poly- pore structure of oyster shell powder is farthest protected in this present embodiment by protectiveness roasting technique, so as to improve oyster
The adsorption capacity of shell powder heavy metal, and soil is quickly formed crumb structure, the enhancing gas permeability of soil, retain water and nutrients ability.
S5, activation step.
Ratio according to first level flour 30%, second patent flour 30%, three-level powder 10%, level Four powder 20% and Pyatyi powder 10% mixes
After forming oyster shell powder, in order to strengthen suction-operated of the oyster shell powder to soil, while strengthening the adaptation of soil and oyster shell powder
Degree, in the present embodiment, is also activated oyster shell powder, to strengthen the activity of oyster shell powder.
Specifically, it is 1 according to mass ratio by oyster shell powder and water:1 ratio is mixed, and agitating heating, reaction life
Into precipitation, dried under conditions of 80~100 DEG C will be deposited in.
The main component of oyster shell is CaC03, into CaO after being activated through high-temperature roasting, by CaO and deionized water with material
It is quantified as 1:1 mixing, generation precipitate C a (OH)2, then by Ca (OH)2Drying forms the activity that can obtain being easy to soil absorption
Calcium (CaOH2O).During CaO activation process, should not immediately be stirred after adding water, slightly be stirred again after answering thing bulk expansion to be sintered, then
Easily ensure recovery rate high.
When water enters in the internal capillary gap of oyster shell powder, then after carrying out temperature control activation, can improve inside oyster shell powder
Pore size and glue combination effect, be more beneficial for different size of molecule carry out bag and.Through the oyster shell powder after overactivation
Granulating becomes apparent from, and dispersion is evenly.
S6, batching step
Major ingredient powder and auxiliary material are mixed to form conditioning powder, are pelletized.
Specifically, the oyster shell powder and zeolite powder after activation are carried out by weight percent being mixed to form major ingredient powder, wherein,
Major ingredient powder includes that oyster shell powder 80~90% and zeolite powder 10~20% carry out dispensing according to mass percentage.Will be mixed
Major ingredient powder is with auxiliary material according to mass ratio 8~9:1 carries out mix forms conditioning powder, wherein, auxiliary material is wrapped by mass percentage
Including marine alga fine powder 30~40% and humic acid 30~50% and bonding agent 10~30% carries out dispensing.Certainly, in other embodiment
In, it would however also be possible to employ other active ingredients favourable to soil are added as auxiliary material, for example：Shitosan, bentonite etc..
Because marine alga fine powder is, with marine natural marine alga as major ingredient, to be aided with a small amount of marine microalgae retrofit and form.Marine alga
Containing the organic substance such as heteroauxin, plant growth kinetin, marine alga phenol in fine powder, the drought resisting, infiltration of salt resistance alkali, resistance to can be played
Cold, sterilized and growth promoting function.By marine alga fine powder added in soil conditioner, not only can reduces cost, increase economic efficiency,
Opsonic action can also be played to soil, strengthens the trace elements such as potassium, iron, calcium, phosphorus, iodine, selenium, the cobalt of soil.
Humic acid can be conducive to nutrient to be transmitted to crop with the heavy metal ion clutch in soil, and can conditioned soil
Earth structure, is conducive to the growth of crops.Humic acid such as exchanges, adsorbs, being complexed, chelating at the effect with metal ion；In dispersion
In system as polyelectrolyte, have cohesion, peptization, dispersion etc. act on.Humic acid organic substances matter etc. has tune to soil acidity or alkalinity
Section is acted on, and saline-alkali soil harm is lowered by adjusting soil ph, it is possible to decrease soil ph value, improves the effective of nutrient ion
Property.
In the present embodiment, marine alga fine powder and humic acid are added in major ingredient powder as auxiliary material, the suction of major ingredient powder can be strengthened
The effect of attached heavy metal, while being capable of improved soil, stimulation plant growth, improvement agricultural product quality.
Bonding agent includes powder of straw and modified starch.Preferably, the weight ratio of powder of straw and modified starch is 1：1.
Modified starch is to form oxidized starch after adding hydrogen peroxide in starch fluid, adds epoxychloropropane and changes
Property agent is aoxidized-is crosslinked composite modified starch and formed.Through the starch after hydrogen peroxide and epoxychloropropane modified dose for the treatment of
Liquid, its good film-forming property, meanwhile, modified starch mix with powder of straw after as binding agent, be conducive in the particle being made up of major ingredient
Surface filming, improves the slow release effect of soil conditioner.Being additionally, since the embodiment of the present invention and being provided without resin carries out coating, ring
Protect pollution-free.
Further, OPC can also be included in auxiliary material.When auxiliary material is by marine alga fine powder, humic acid, bonding agent and original
During anthocyanidin mixing composition, auxiliary material includes marine alga fine powder 30~35%, humic acid 35~45%, bonding agent by mass percentage
10~15% and OPC 10~20% carry out dispensing.
Because the main component of the major ingredient powder for crushing formation after oyster shell and zeolite roasting is calcium oxide.And ultraviolet can be right
Calcium oxide plays destruction.In addition to it can directly cause molecule chain break and crosslinking, calcium oxide is because of absorption luminous energy for ultraviolet
Free radical is produced, is triggered and accelerated oxidation chain reaction process.When soil conditioner in the present embodiment is used in soil, to keep away
From the destruction to ultraviolet, in the present embodiment, it is added to OPC as auxiliary material in major ingredient powder, OPC has pole
Strong effect that is anti-oxidant, eliminating free radical, can effectively eliminate ultra-oxygen anion free radical and hydroxyl radical free radical, and it can protect oxygen
Change the destruction of the composition from ultraviolet of calcium, while OPC has strong metal-chelating, its can with soil in
Heavy metal contaminants are chelated, and inert compound is formed in soil.Therefore, OPC can not only be prevented effectively from oxygen
Change calcium to be destroyed by ultraviolet, the stability of calcium oxide is strengthened, while effect of improved soil can also be played.
Additionally, when dispensing, soil fertilizer can also be added in conditioning powder to carry out mixing system according to the demand of soil
Grain.Soil fertilizer can further for soil provides fertility and trace element, further improved soil.In the present embodiment, preferably
Soil fertilizer is added in conditioning powder, makes the better of obtained soil conditioner.It is main when adding soil fertilizer in conditioning powder in the ban
The mass ratio of feed powder, auxiliary material and soil fertilizer is 8:1:1.
Soil fertilizer in the present embodiment includes by mass percentage：Urea 30~50%, calcium magnesium phosphate 20~30%, sulphur
Sour potassium 10~20%, biological organic fertilizer 5~10%, mushroom slag 10~20% and borax 5~10%.
Wherein, urea can supplement N for soil, and calcium magnesium phosphate can supplement P for soil, and potassium sulfate can be supplemented for soil
K, borax can be soil microelement-supplementing, and mushroom slag is the discarded object after mushroom harvests, and its content of organic matter is enriched, and N, P, K contain
Amount is higher, is a kind of good organic fertilizer and soil conditioner.
Biological organic fertilizer refer to microorganisms with specific functions with mainly with plant and animal residues (such as feces of livestock and poultry, agricultural crop straw
Deng) it is to originate and have microbial manure and organic fertilizer efficiency concurrently through the class that harmless treatment, the organic materials for becoming thoroughly decomposed are composited
The fertilizer answered.The nutrient of biological organic fertilizer is more complete, and can effectively be compounded with oyster shell powder, common improved soil,
And do not result in the phenomenon of soil hardening.Additionally, biological organic fertilizer can improve chemical fertilizer utilization ratio, chemical fertilizer is used alone and easily makes
Into the fixation and loss of nutrient.
Mushroom slag can increase soil fertility after being manured into soil, improved soil structure.With it as soil fertilizer added to conditioning
In powder, obtained soil conditioner can not only improve soil pH, and can supplement the nutrients such as soil N, P, K, reach
Turn waste into wealth, comprehensively utilize the effect of resource.
Additionally, additionally providing soil obtained in a kind of protectiveness preparation technology using above-mentioned soil conditioner in the present embodiment
Earth conditioner, the soil conditioner being capable of improved soil structure, the harm of reduction soil alkaline, regulation soil acidity or alkalinity, improvement soil
Earth water regime, while being capable of restoration of soil polluted by heavy metal.
The soil conditioner has good absorption and ion-exchange performance because it has special surface texture, is used for
Soil improvement, can improve the retain water and nutrients ability of soil, can also improve the adsorbance of salt ion, reduce salinity harm, be beneficial to
The formation of soil granular structure.Improved soil chemical property, adjusts acid-base balance, increases shock-absorbing capacity and fertilizer-preserving ability, breaks
It is hardened, increase total porosity, the soil weight is reduced, the solid, liquid, gas three for adjusting soil are compared, and strengthen aeration and water penetration, are carried
Utilization rate of fertilizer high, comprehensive rehabilitating soil, activates soil, allows soil to add vigor doubly.
Embodiment one
Prepare soil conditioner away from including major ingredient and auxiliary material, wherein, major ingredient includes oyster shell and zeolite, and auxiliary material presses matter
Amount percentage meter includes marine alga fine powder 30%, humic acid 50% and bonding agent 20%.
The protectiveness preparation technology of soil conditioner is comprised the following steps：
S1, protectiveness calcination stepses
Major ingredient is placed in roasting apparatus carry out protectiveness roasting obtain roasting material, in protectiveness calcination stepses, control
Sintering temperature is 600 DEG C, and roasting time is 12min, and the flow that major ingredient enters the roasting apparatus is 0.2m3/ min, roasting sets
Standby rotating speed is 25r/min；The percentage of the water content of roasting material is 10%.
S2, pulverising step
Roasting material is crushed, oyster shell powder and zeolite powder are obtained respectively, oyster shell powder and zeolite powder are mixed to form major ingredient
Powder.
S3, batching step
Major ingredient powder includes oyster shell powder 80% and zeolite powder 20% by mass percentage, by major ingredient powder and auxiliary material according to matter
Amount is than being 8:1 ratio is mixed to form conditioning powder, granulation.
Embodiment two
Prepare soil conditioner away from including major ingredient and auxiliary material, wherein, major ingredient includes oyster shell and zeolite, and auxiliary material presses matter
Amount percentage meter includes marine alga fine powder 35% and humic acid 35%, bonding agent 10% and OPC 20%, in the present embodiment, glues
Connecing agent includes powder of straw and modified starch, wherein, the weight ratio of powder of straw and modified starch is 1：1.
The protectiveness preparation technology of soil conditioner is comprised the following steps：
S1, protectiveness calcination stepses
Major ingredient is placed in roasting apparatus carry out protectiveness roasting obtain roasting material, in protectiveness calcination stepses, control
Sintering temperature is 800 DEG C, and roasting time is 8min, and the flow that major ingredient enters the roasting apparatus is 0.4m3/ min, roasting apparatus
Rotating speed be 35r/min；The percentage of the water content of roasting material is 8%.
S2, cooling step
Roasting material is carried out into natural cooling 10min, then to roasting material with the rate of temperature fall of 15 DEG C/min carry out cooling it is cold
But 10min.
S3, pulverising step
Roasting material is crushed, oyster shell powder and zeolite powder are obtained respectively, oyster shell powder and zeolite powder are mixed to form major ingredient
Powder.
The powder of oyster shell powder including variable grain size, oyster shell powder include by mass percentage first level flour 30%,
Second patent flour 30%, three-level powder 10%, level Four powder 20% and Pyatyi powder 10%；Wherein, first level flour was the screenings of 80 mesh sieves, two
Level powder was the screenings of 60 mesh sieves, and three-level powder was the screenings of 30 mesh sieves, and level Four powder was the screenings of 10 mesh sieves, Pyatyi
Powder was the oversize of 10 mesh sieves.
S4, activation step
In mass ratio it is 1 by above-mentioned oyster shell powder and water:1 ratio is mixed, and agitating heating, treat oyster shell powder with
After water reaction is in powdered, drying, the temperature of drying is 80 DEG C.
S5, batching step
Major ingredient powder and auxiliary material are mixed to form conditioning powder；Wherein, major ingredient powder includes oyster shell powder by mass percentage
90% and zeolite powder 10%, then to adding soil fertilizer, mixing granulation in conditioning powder.Wherein, major ingredient powder, auxiliary material and soil fertilizer
Mass ratio be 8:1:1；Soil fertilizer includes by mass percentage：Urea 50%, calcium magnesium phosphate 20%, potassium sulfate 10%, life
Organic fertilizer 5%, mushroom slag 10% and borax 5%.
Embodiment three
Prepare soil conditioner away from including major ingredient and auxiliary material, wherein, major ingredient includes oyster shell and zeolite, and auxiliary material presses matter
Amount percentage meter includes marine alga fine powder 40% and humic acid 30%, bonding agent 15% and OPC 15%, in the present embodiment,
Bonding agent includes powder of straw and modified starch, wherein, the weight ratio of powder of straw and modified starch is 1：1.
The protectiveness preparation technology of soil conditioner is comprised the following steps：
S1, pre-treatment step
After oyster shell and zeolite are cleaned with water respectively, oyster shell and zeolite are carried out into simple crushing, it is male after making to crush
The zeolite of oyster shell is about original 1/20, then removes the rope of hanging culture on obvious impurity and oyster shell.
S2, protectiveness calcination stepses
Major ingredient is placed in roasting apparatus carry out protectiveness roasting obtain roasting material, in protectiveness calcination stepses, control
Sintering temperature is 700 DEG C, and roasting time is 10min, and the flow that major ingredient enters the roasting apparatus is 0.3m3/ min, roasting sets
Standby rotating speed is 30r/min；The percentage of the water content of roasting material is 9%.
S3, cooling step
Roasting material is carried out into natural cooling 15min, then to roasting material with the rate of temperature fall of 25 DEG C/min carry out cooling it is cold
But 5min.
S4, pulverising step
Roasting material is crushed, oyster shell powder and zeolite powder are obtained respectively, oyster shell powder and zeolite powder are mixed to form major ingredient
Powder.
The powder of oyster shell powder including variable grain size, oyster shell powder include by mass percentage first level flour 30%,
Second patent flour 30%, three-level powder 10%, level Four powder 20% and Pyatyi powder 10%；Wherein, first level flour was the screenings of 100 mesh sieves,
Second patent flour was the screenings of 70 mesh sieves, and three-level powder was the screenings of 40 mesh sieves, and level Four powder was the screenings of 20 mesh sieves, five
Level powder was the oversize of 20 mesh sieves.
S5, activation step
In mass ratio it is 1 by above-mentioned oyster shell powder and water:1 ratio is mixed, and agitating heating, treat oyster shell powder with
After water reaction is in powdered, drying, the temperature of drying is 100 DEG C.
S6, batching step
Major ingredient powder and auxiliary material are mixed to form conditioning powder, wherein, major ingredient powder includes oyster shell powder by mass percentage
85% and zeolite powder 15%.Then to addition soil fertilizer, mixing granulation in conditioning powder.Wherein, major ingredient powder, auxiliary material and soil fertilizer
Mass ratio be 8:1：1；Soil fertilizer includes by mass percentage：Urea 30%, calcium magnesium phosphate 30%, potassium sulfate 10%, life
Organic fertilizer 10%, mushroom slag 15% and borax 5%.
Example IV
The present embodiment in batching step to conditioning powder in add soil fertilizer include by mass percentage：Urea
30%th, calcium magnesium phosphate 22%, potassium sulfate 15%, biological organic fertilizer 5%, mushroom slag 20% and borax 8%.Remaining technique and implementation
Example three is identical, no longer illustrates here.
Detection experiment
The soil conditioner that the present embodiment three is provided has carried out detection experiment throughout the country, wherein, detection site bag
Include：Multiple areas such as Hunan Province, Jiangsu Province, Jiangxi Province, Guangdong Province, Chongqing City and Jianou City.Hereinafter which part is only enumerated,
Effect to soil conditioner is illustrated.
First：The content detection report of soil conditioner
Detection unit：Institute of Analysis of Hunan Province
Predominantly detecting instrument includes：AFS-830 fluophotometers, PHS-25 acidometers, Z-2310 atomic absorption spectrophotometry light
Degree meter
Detection foundation：Soil conditioner calcium, magnesium, the measure NY/T 2272-2012 of silicone content
Organic-inorganic composite fertilizer GB18877-2009 5.12
Detection project：Calcium, PH, mercury, arsenic, cadmium, lead, chromium
The content detection of the soil conditioner of table 1.
Second：Soil conditioner resistance control rice soil acidifying and the development test report of heavy metal-passivated activity
1st, test source and purpose
Emphasis for double-ridged horn Cadmium in Soil background value is higher and soil acidification caused by cadmium activity improve and high yield rice
The rice cadmium pollution risk of the initiations such as the Cd uptake amount high that rice brings.Emphasis is acidified and heavy metal pollution problem for rice field, this
Research is by from soil conditioner (CaO >=45), inquiring into regulating effect and heavy metal Cd, Pb that different amounts are acidified to rice field
Passivation effect.
2nd, materials and methods
2.1 for examination soil：Demonstration ground soil is the Red Paddy Soil of Quaternary Red Clays parent material development, soil property moderate
Curing, middle fertility is partially thin.Topsoil soils pH5.10, exchangeable hydrogen 4.82mmol/kg, exchangeable aluminum 28.66mmol/ before experiment
Kg, organic matter 30.62g/kg, full nitrogen 1.39g/kg, full potassium 14.48g/kg, alkali-hydrolyzable nitrogen 56.43mg/kg, available nitrogen 32.41mg/
Kg, available potassium 215.49mg/kg, Cd content are 0.48mg/kg, and Pb contents are 40.11mg/kg.
2.2 test materials：The soil conditioner that the present embodiment is provided, CaO >=45, pH is 8.5-10.5.
2.3 for studying thing：Promote mainly kind in late rice, locality.Transplant, seeding row spacing is 20cm*20cm, per 2-3, cave seedling.
2.4 testing programs
2.4.1 experimental design
Experiment sets 4 treatment, compares (not applying soil conditioner)；1 (100kg/ mus of soil conditioner) for the treatment of；Treatment 2
(150kg/ mus of soil conditioner)；3 (200kg/ mus of soil conditioners) for the treatment of.Each treatment is using the N P and K of same amount
Fertilizer (purity nitrogen 10kg/ mus, P2O56kg/ mus, K2O 9kg/ mus), 3 repetitions, plot area 40m2(8m*5m).Nitrogenous fertilizer (urea)
Base manure is made with potash fertilizer (potassium chloride) 60% to apply, 40% is returning the administration of phase in spring, and phosphate fertilizer (calcium magnesium phosphate) is made base manure and once applied.Note
Meaning pest management.
2.4.2 testing index
1) foundation soil property：Foundation soil sample was gathered before on-test, analysis determines pH, CEC, organic matter and nitrogen phosphorus
Potassium nutrition and content of beary metal.
2) rice yield：In the late rice maturity period, each cell gathers 1 square metre of results and disengaging, dries and weighs, Ran Houji
Calculate theoretical yield.
3) soil fertility property：Each cell collection pedotheque after off-test, soil pH is 2.5:1 soil ratio
Example is lower directly to be read with pH meter.Soil exchangeable hydrogen, aluminium are determined with potassium chloride exchange-neutralization titration.It is organic matter, full nitrogen, complete
Phosphorus and full potassium content and alkali-hydrolyzable nitrogen, available nitrogen and quick-acting potassium content etc. are analyzed using conventional method.
4) heavy metal-polluted soil Cd, Pb contents：After off-test each cell collection pedotheque, disappeared using chloroazotic acid boil,
The full dose of atomic absorption analysis soil Cd, Pb, soil, the available state of atomic absorption analysis soil Cd, Pb are extracted with 0.1mol/L
Content.
5) heavy metal Cd in rice grain and stalk, Pb contents：In rice maturity, each cell gathers the strain of 3 dibblings
Sample, after seed and stalk are separated, drying, grinding, using atomic absorption analysis seed and Cd, Pb content of stalk.
4th, result and analysis
4.1 rice yields
The result of table 2 shows that, in Jiangxi Province double rice cropping system, the soil conditioner provided using the present embodiment can be significantly improved
Late rice yield (506.02-594.58kg/ mus), the rice yield size between each treatment is followed successively by：Treatment 3>Treatment 2>Treatment 1>
Control；Wherein, the rice yield for the treatment of 1, treatment 2 and treatment 3 increases by 12.66%, 28.00% and 32.37% than control respectively.
This explanation, the soil conditioner provided using the present embodiment can improve the main measures of fertilizer of rice yield, and consumption month is higher,
Increasing production of rice amplitude is bigger.
Respectively treatment late rice yield table (kg/ mus) of table 2
4.2 soil fertility
Table 3 shows, using the soil conditioner of the present embodiment offer to the soil organism and nitrogen on red soil double-ridged horn
The influence of phosphorus potassium Total Nutrient is smaller.Compared with the control, the soil organism and N P and K can not be obviously improved using soil conditioner
Total nutrients content.
But, soil conditioner can improve the available nutrient content (table 4) of rice soil.Compared with the control, treatment 1, place
Reason 2 and the soil alkali-hydrolyzable nitrogen for the treatment of 3 increase by 20.8%, 42.3% and 103.6% respectively；Soil available phosphorus are respectively increased
27.4%th, 55.9% and 61.7%, soil available nitrogen increases by 21.8%, 35.7% and 36.6% respectively.Wherein, processing 2 Hes
The Available N-P potassium nutrition highest for the treatment of 3.This explanation soil conditioner can activate the npk nutrient of rice soil.
The soil organism of table 3 and N P and K Total Nutrient table
The quick-acting component lists of the soil nitrogen phosphorus potassium of table 4
4.3 soil phs
On rice soil, preferably improved soil (table 5) can be acidified using soil conditioner.With do not apply soil conditioner
Compare, the soil pH for the treatment of 1, treatment 2 and treatment 3 is respectively increased 0.99 unit, the unit of 0.16 unit volume 0.35, exchangeable hydrogen point
Not Jiang Di by 20.2%, 46.8% and 63.5%, exchangeable aluminum declines 35.2%, 62.8 and 84.3% respectively.This explanation, soil is adjusted
Reason agent is the important channel for improveing paddy soil acidifying.
The soil ph table of table 5
4.4 soil Cd, Pb contents
Can be to significantly reduce soil although smaller to the reduction amplitude of soil total Cd and Pb using soil conditioner
The bio-available Zn concentration of Cd and Pb.The result of table 6 shows, compared with soil conditioner is not applied, treatment 1, treatment 2 and treatment 3 it is effective
Cd have dropped 29.3%, 64.9% and 87.5% respectively；Effective Pb have dropped 8.2%, 30.4% and 50.0% respectively.This says
It is bright, it is the effective measures for being passivated paddy soil Cd and Pb activity using soil conditioner.
Soil Cd, Pb content table of table 6
Cd, Pb content in 4.4 rice and stalk
Cd the and Pb contents (table 7) in paddy and rice can be significantly reduced using soil conditioner.Compared with control group,
Cd reduces 36.0%, 38.2% and 42.7%, paddy respectively in the paddy of soil conditioner (treatment 1, treatment 2 and treatment 3)
The range of decrease of middle Pb is respectively 34.5%, 34.9% and 34.4%；Cd and Pb contents also reduce 35.2%- respectively in paddy
41.2% and 34.0%-41.8%.
Cd, Pb content in the rice of table 7 and stalk
5th, conclusion
In sum, in Jiangxi Province double rice cropping system, rice yield and resistance control soil can be significantly improved using soil conditioner
Earth is acidified.Meanwhile, soil conditioner significantly reduces the activity of soil Cd and Pb, so as in significantly reducing paddy and rice Cd and
Pb is accumulated.
3rd, the examining report of the influence of roasting technique
The chemical composition of oyster shell：
Based on inorganic matter, also containing a small amount of organic matter, the main calcium carbonate of inorganic matter, containing 80~95%, calcium phosphate and
Calcium sulfate, and 9 kinds of trace elements, magnesium, aluminium, silicon, phosphorus, potassium, silicate, sulfuric acid such as cupric, iron, zinc, manganese, strontium, chromium, nickel, lead, mercury
Salt, phosphate and chloride and oxide.After oyster shell is calcined, then carbonate is to decompose, and produces calcium oxide etc., organic matter
It is destroyed.The organic principle of oyster shell accounts for oyster shell and weighs about 3 percent or so, containing different amount propylhomoserin, glutamic acid, glycine,
Cystine, methionine, tyrosine, phenylalanine, L-aminobutanedioic acid, alanine, lysine, histidine, arginine, arginine etc. 17
Plant amino acid.
The detection data of the influence of the roasting technique of table 8
By above-mentioned as can be seen that increasing with sintering temperature, the calcium content in oyster shell increases, but trace element and
Amino acid is gradually decreased, and micro- poly- pore structure is when temperature is too low, and micro- poly- pore structure is not obvious, the surface texture letter of oyster shell
Single, space is less, and when temperature is too high, micro- poly- pore structure under the high temperature conditions cave in by frame structure, causes hole to diminish,
The adsorption capacity of heavy metal diminishes.
By the sintering temperature that controls protectiveness to be calcined for 600~800 DEG C in the embodiment of the present invention, roasting time is 8~
12min, the flow that major ingredient enters roasting apparatus is 0.2~0.4m3/ min, the rotating speed of roasting apparatus is 25~35r/min；Roasting
The percentage of the water content of material is 8~10%；The control of the parameter of each step in realizing being calcined protectiveness, so that roasting
Oyster shell afterwards on the premise of the conversion ratio of calcium oxide is ensured, nutritional ingredient, micro- poly- pore structure and micro- in protection oyster shell
Secondary element, and then improve reparation and suction-operated of the soil conditioner to soil.Using obtained in protectiveness preparation technology
Soil conditioner, can effective improved soil to soil and repair ability and high adsorption capacity.
4th, the choice experiment of raw material components and proportioning
The simulation soil for taking 5kg is divided into 5 groups, is respectively placed in 5 conical flasks, respectively with input embodiment three and contrast
Used as experimental example, another does not do any addition as blank example to the soil conditioner of example 1~3, is put into oscillator and vibrates 2h
After take out, the adsorptivity of test simulation soil, water-retaining property, getting fat and gas permeability respectively.
Wherein, using atomic absorption spectrophotometer determine 5 groups of content of beary metal of simulation soil (mercury, arsenic, cadmium, lead,
Chromium), and then the power of adsorptivity is obtained,
The 5 groups of fertilizer of simulation soil (calcium, potassium, phosphorus, magnesium etc.) contents are determined using atomic absorption spectrophotometer；And then
To the power of getting fat；
By every group of simulation soil as under similarity condition, compacting is then dripped above simulation soil, and the time of dripping is
2h, finally determines the weight of the water of transmission, and then obtains the power of gas permeability；
Simulation soil is added water stirring, is evaporated as in evaporation equipment, after evaporation 1h, the mistake in every group of simulation soil of measure
Water, and then the power of water-retaining property must be beaten.
Evaluating basis：(following numerical value is absolute value)
The heavy metal of adsorptivity measured value=(content of beary metal of the content of beary metal-experimental example of blank example)/blank example
Content × 100%
Getting fat measured value=(blank example fertilizer content-experimental example fertilizer content)/blank example fertilizer content × 100%
Fluid loss × 100% of water-retaining property measured value=(blank example fluid loss-experimental example fluid loss)/blank example
Ventilation characteristic measuring value=(blank example permeable amount-experimental example permeable amount)/blank example permeable amount × 100%
Specific standards reference table 9
The evaluation criteria of table 9.
It is first according to the above method to test the component and proportioning of major ingredient, experimental result is as follows：
The choice experiment of the main ingredient composition of table 10. and proportioning
By upper table as can be seen that oyster shell powder is different with the selection of the proportioning of zeolite powder in raw material, the performance of soil is present
Difference, is used alone oyster shell powder or zeolite powder is unable to reach the performance of improved soil, when oyster shell powder and zeolite powder grade ratio
During example dispensing, certain adsorption capacity is truly had to soil, but adsorption capacity is not good enough, the oyster shell powder 80 provided in the present embodiment~
90% and zeolite powder 10~20% carry out dispensing, specifically, 85% is accounted for by oyster shell in embodiment three, zeolite powder accounts for 15% ratio
Example carries out dispensing, and the soil conditioner adsorption capacity of formation, water holding capacity, getting fat ability and gas permeability effect are strong.
Secondly the component and proportioning according to the method described above to raw material are tested, and experimental result is as follows：
The choice experiment of the raw material components of table 11. and proportioning
By upper table as can be seen that the proportion scale of major ingredient, auxiliary material and soil fertilizer is different in raw material, the performance of soil is deposited
In difference, major ingredient, auxiliary material and soil fertilizer are carried out into compound use, and used according to certain ratio, it is better.
Embodiments described above is a part of embodiment of the invention, rather than whole embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. the protectiveness preparation technology of a kind of soil conditioner, it is characterised in that including：
Major ingredient is placed in roasting apparatus to carry out protectiveness and is calcined to obtain roasting material, and sintering temperature is 600~800 DEG C, roasting time
It is 8~12min, the flow that the major ingredient enters the roasting apparatus is 0.2~0.4m3/ min, the rotating speed of the roasting apparatus
It is 25~35r/min；The percentage of the water content of the roasting material is 8~10%；Wherein, the major ingredient includes oyster shell and boiling
Stone；
The roasting material is crushed, oyster shell powder and zeolite powder is formed, is mixed the oyster shell powder and the zeolite powder shape
Into major ingredient powder；And
The major ingredient powder and auxiliary material are mixed to form conditioning powder, are pelletized.
2. the protectiveness preparation technology of soil conditioner according to claim 1, it is characterised in that crushing the roasting
Also include before material：By 10~15min of the roasting material natural cooling, then to the roasting material with the drop of 15~25 DEG C/min
Warm speed carries out 5~10min of cooling down.
3. the protectiveness preparation technology of soil conditioner according to claim 1, it is characterised in that the oyster shell powder is pressed
Mass percentage includes first level flour 30%, second patent flour 30%, three-level powder 10%, level Four powder 20% and Pyatyi powder 10%；Wherein,
The first level flour was the screenings of 80~100 mesh sieves, and the second patent flour was the screenings of 60~70 mesh sieves, the three-level powder
To cross the screenings of 30~40 mesh sieves, the level Four powder was the screenings of 10~20 mesh sieves, and the Pyatyi powder was 10~20
The oversize of mesh sieve.
4. the protectiveness preparation technology of soil conditioner according to claim 3, it is characterised in that mixing the oyster
Before shell powder and the zeolite powder form the major ingredient powder, also include：In mass ratio it is 1 by the oyster shell powder and water:1 ratio
Example is mixed, and agitating heating, reaction generation precipitation, by it is described be deposited in 80~100 DEG C under conditions of dry.
5. the protectiveness preparation technology of soil conditioner according to claim 3, it is characterised in that the major ingredient powder presses matter
Amount percentage is that the oyster shell powder 80~90% and the zeolite powder 10~20% carry out dispensing；The major ingredient powder is auxiliary with described
Material is 8~9 according to mass ratio:1 carries out dispensing.
6. the protectiveness preparation technology of soil conditioner according to claim 5, it is characterised in that before granulation, also
Including in the conditioning powder add soil fertilizer, and with the major ingredient powder, the auxiliary material and the soil fertilizer mass ratio be
8:1:1 carries out dispensing；The soil fertilizer includes by mass percentage：Urea 30~50%, calcium magnesium phosphate 20~30%, sulfuric acid
Potassium 10~20%, biological organic fertilizer 5~10%, mushroom slag 10~20% and borax 5~10%.
7. the protectiveness preparation technology of soil conditioner according to claim 1, it is characterised in that the auxiliary material presses quality
Percentage meter includes marine alga fine powder 30~40%, humic acid 30~50% and bonding agent 10~30%, and the bonding agent includes straw
Stalk powder and modified starch.
8. the protectiveness preparation technology of soil conditioner according to claim 7, it is characterised in that the modified starch is
Oxidized starch is formed after hydrogen peroxide is added in starch fluid, epoxychloropropane modified dose is added and is aoxidized-be crosslinked
Composite modified starch is formed.
9. the protectiveness preparation technology of soil conditioner according to claim 7, it is characterised in that the auxiliary material also includes
OPC, by mass percentage, the auxiliary material include the marine alga fine powder 30~35%, the humic acid 35~45%,
Bonding agent 10~15% and the OPC 10~20%.
10. a kind of soil conditioner, it is characterised in that it is using the soil conditioner as described in any one of claim 1~9
Protectiveness preparation technology prepare.
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Address after: 363500 Xiwu Village, Sidu Town, Zhaoan County, Zhangzhou City, Fujian Province (beside Provincial Highway 309) Patentee after: Fujian Mata Ecology Technology Co.,Ltd. Address before: 363500 Xiwu Village, Sidu Town, Zhaoan County, Zhangzhou City, Fujian Province (beside Provincial Highway 309) Patentee before: FUJIAN MATA AGRICULTURAL DEVELOPMENT Co.,Ltd. |
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