CN101265141A - Fertilizer synergist and its preparation method and application - Google Patents
Fertilizer synergist and its preparation method and application Download PDFInfo
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- CN101265141A CN101265141A CNA2008100583194A CN200810058319A CN101265141A CN 101265141 A CN101265141 A CN 101265141A CN A2008100583194 A CNA2008100583194 A CN A2008100583194A CN 200810058319 A CN200810058319 A CN 200810058319A CN 101265141 A CN101265141 A CN 101265141A
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Abstract
The invention discloses a manure synergistic agent, a preparation method, and applications thereof. The manure synergistic agent concretely comprises the components by weight proportion as follows: fly ashes are 10 to 65 parts, modifying agent is 5 to 15 parts, carriers are 20 to 75 parts, and dispersant is 10 to 65 parts; the manure synergistic agent is prepared and made through the hybrid modification reaction. By utilizing the agent, the fly ashes, which are industrial waste, are reused after being modified in synergic combination with the manure, thereby reducing the environmental pollution. The manure synergistic agent has the advantages of not only reducing the nitrogen loss, promoting the absorption and the utilization to activated silicon and trace elements on crops, but also improving the physicochemical characters of the acid soil.
Description
Technical field
The present invention relates to a kind of fertilizer synergist, relate in particular to a kind of efficiently, modified coal ash fertilizer synergist and its production and application cheaply.
Background technology
China has a large population and a few land, and chemical fertilizer application is the most important means of agricultural produce.But China's chemical fertilizer uses the serious wasting phenomenon of long-term existence, and present chemical fertilizer average utilization is less than 30%, far below the level of developed country 60%.Chemical fertilizer utilization ratio low, not only increased peasant burden, also directly caused the severe contamination and the impoverishment of soil, chemical fertilizer also causes organic contamination, eutrophication pollution even groundwater pollution and atmospheric pollution to water body by agricultural run-off to the pollution of soil.Raising chemical fertilizer utilising efficiency improves arable soil, strengthens the productivity in soil, has become to concern China's modern agriculture Sustainable development and even the significant problem that involves the interests of the state and the people.
No. 200410028199.5 patent of Chinese patent provides a kind of by the formulated by a certain percentage fertilizer synergist of water-absorbing resin, trace element, wilkinite, Sodium salts humic acids, zeolite, polygorskite, glaukonine.This fertilizer synergist can absorbed air and soil in nomadic nitrogen, make it slowly to discharge and reduce evaporation and run off, still, its pH value is 3～6, is unfavorable for using on the arable land that causes soil acidification because of the life-time service chemical fertilizer; They be to make main raw material again, and process procedure is many because of Chemicals such as employing water-absorbing resin and Sodium salts humic acidss, complex technical process, and the energy consumption height must cause the product cost height, is difficult to carry out marketing.
Summary of the invention
The present invention has overcome the deficiency of prior art products, provide a kind of and can reduce nitrogen loss, promote crop to activation silicon, trace elements absorbed and utilization, and can improve the acid soil physicochemical character, technology is simple, the fertilizer synergist that production cost is low, relate in particular to a kind of efficiently, modified coal ash fertilizer synergist and its production and application cheaply.
For solving the problems of the technologies described above be, fertilizer synergist of the present invention calculates with weight ratio, by 10～65 parts flyash, and 5～15 parts properties-correcting agent, 20～75 parts carrier, 10～65 parts dispersion agent is formed.This method may further comprise the steps;
1) material is handled: dispersion agent is pulverized, and making its particle diameter is that 80～325 orders are stand-by;
2) modified-reaction: respectively flyash, properties-correcting agent, carrier are joined in the reactor of sealing, stir, control reaction temperature is 60～135 ℃, and the stirring reaction time is 30～240 minutes;
3) disperse: the dispersion agent that crushes is added in the reactor, and the control dispersion temperature is 80～135 ℃, and the dispersed with stirring time is 20～90 minutes;
4) moulding: after cooling, pulverize and make fertilizer synergist.
Above-mentioned properties-correcting agent, can be any one or more mixing in following: sodium hydroxide, potassium hydroxide, yellow soda ash, salt of wormwood, calcium oxide, bicarbonate of ammonia, plant ash, quadrol, methane amide, N, N-dimethyl-p-toluidine, N, dinethylformamide, N, N-dimethylethanolamine, thanomin.
Above-mentioned carrier can be any one or more mixing in following: water, emulsified bitumen, urea, diatomite, glucose, sucrose, palmitinic acid glyceride, stearate, palm wax, cream tung oil, Viscotrol C wax, montanin wax, valchovite, polyacrylic resin.
Above-mentioned dispersion agent can be any one or more mixing in following: brown coal, peat, weathered coal, cream tung seeds shell, cream Chinese wood oil residule, bagasse, straw, Mierocrystalline cellulose, xylogen, xylogen benzene sulfonate, dodecyl sulfate, dodecylbenzene sulfonate.
Above-mentioned fertilizer synergist is as the application to fertilizer synergistic.After its using method mixed with fertilizer by a certain percentage, fertilization mode was used routinely.
The invention has the beneficial effects as follows: 1, flyash is a kind of aggregate of subparticle of high dispersive, and its main chemical compositions is SiO2, Al203, Fe203, CaO and does not fire charcoal.At low temperatures flyash being carried out alkali modification can make it that pozzolanic reaction takes place, in the reaction, under suitable time, temperature and overbasic condition, SiO2 and Al2O3 disengage, and cause the key of Si-O and Al-O tetrahedral structure lax, thereby whole Si-O and Al-O tetrahedral structure are got muddled, active kernel exposes, the flyash surfaceness increases, and surface energy increases, and adsorptive power strengthens.Modified coal ash is owing to have very strong adsorptive power, with chemical fertilizer, can adsorb nutritive element in a large number when particularly nitrogenous fertilizer contacts, form " warehouse " of plant nutrient and physiologically active substance, thereby effectively slow down the speed that chemical fertilizer discharges and decomposes, reach and improve fertilizer efficiency, increase output, the multiple effect of polluting that reduces.
2, flyash is through modification, after disengaging, SiO2 and some trace elements become active well plant nutrient, can be farm crop necessary middle micronutrient is provided, and coordinate various nutritive ingredients to a certain extent, performance balance fertilizing, the effect that improves fertilizer efficiency.
3, modified coal ash fertilizer synergist pH value is an alkalescence, help on acid soil, using, and the improvement acid soil.
4, fertilizer synergist of the present invention is because efficient, low-cost, can large-scale application in agriculture production, and this has opened up new technological approaches for the agricultural use of flyash, thereby China's raising industrial resources utilising efficiency and energy-saving and emission-reduction are made new contribution.
Embodiment
The preparation of embodiment 1, fertilizer synergist
Brown coal are pulverized, and making its particle diameter is that 80 orders are stand-by; Respectively 10 parts of flyash, 5 parts of sodium hydroxide, 20 parts of water are joined in the reactor of sealing, stir, control reaction temperature is 60 ℃, and the stirring reaction time is 30 minutes; 10 parts of brown coal are added in the reactor, and the control dispersion temperature is 80 ℃, and the dispersed with stirring time is 20 minutes; After cooling, pulverize and make fertilizer synergist.Raw materials used and the weight proportion of preparation fertilizer synergist is:
10 parts in flyash
5 parts in sodium hydroxide
20 parts in water
10 parts in brown coal
The preparation of embodiment 2, fertilizer synergist
The cream tung seeds shell is pulverized, and making its particle diameter is that 325 orders are stand-by; Respectively 65 parts of flyash, 15 parts of calcium oxide, 70 parts of emulsified bitumens are joined in the reactor of sealing, stir, control reaction temperature is 135 ℃, and the stirring reaction time is 240 minutes; 65 parts of cream tung seeds shells are added in the reactor, and the control dispersion temperature is 135 ℃, and the dispersed with stirring time is 90 minutes; After cooling, pulverize and make fertilizer synergist.Raw materials used and the weight proportion of preparation fertilizer synergist is:
65 parts in flyash
15 parts in calcium oxide
70 parts of emulsified bitumens
65 parts of cream tung seeds shells
The preparation of embodiment 3, fertilizer synergist
Peat is pulverized, and making its particle diameter is that 200 orders are stand-by; Respectively 10 parts of flyash, 1 part of thanomin and 4 parts of methane amides, 75 parts of diatomite are joined in the reactor of sealing, stir, control reaction temperature is 135 ℃, and the stirring reaction time is 240 minutes; 10 parts of peats are added in the reactor, and the control dispersion temperature is 135 ℃, and the dispersed with stirring time is 90 minutes; After cooling, pulverize and make fertilizer synergist.Raw materials used and the weight proportion of preparation fertilizer synergist is:
10 parts in flyash
1 part of thanomin
4 parts of methane amides
75 parts in diatomite
10 parts of peats
The preparation of embodiment 4, fertilizer synergist
Cream Chinese wood oil residule and xylogen benzene sulfonic acid sodium salt are pulverized, and making its particle diameter is that 200 orders are stand-by; Respectively 30 parts of flyash, 2 parts of bicarbonate of ammonia and 3 parts of plant ash, 45 parts of urea are joined in the reactor of sealing, stir, control reaction temperature is 100 ℃, and the stirring reaction time is 120 minutes; 15 parts of cream Chinese wood oil residules and 5 parts of xylogen benzene sulfonic acid sodium salts are added in the reactor, and the control dispersion temperature is 100 ℃, and the dispersed with stirring time is 60 minutes; After cooling, pulverize and make fertilizer synergist.Raw materials used and the weight proportion of preparation fertilizer synergist is:
30 parts in flyash
2 parts in bicarbonate of ammonia
3 parts of plant ash
45 parts in urea
15 parts of cream Chinese wood oil residules
5 parts of xylogen benzene sulfonic acid sodium salts
The preparation of embodiment 5, fertilizer synergist
Sodium dodecylbenzene sulfonate is pulverized, and making its particle diameter is that 200 orders are stand-by; With 30 parts of flyash, 3 parts of quadrols and 2 parts of N, dinethylformamide, 45 parts of cream tung oil and 15 parts of valchovites join in the reactor of sealing, stir respectively, and control reaction temperature is 90 ℃, and the stirring reaction time is 90 minutes; With crushing particle diameter is that 5 parts of Sodium dodecylbenzene sulfonatees of 200 add in the reactors, and the control dispersion temperature is 135 ℃, and the dispersed with stirring time is 60 minutes; After cooling, pulverize and make fertilizer synergist.Raw materials used and the weight proportion of preparation fertilizer synergist is:
30 parts in flyash
3 parts of quadrols
N, 2 parts of dinethylformamides
45 parts of cream tung oil
15 parts of valchovites
5 parts of Sodium dodecylbenzene sulfonatees
Embodiment 6, fertilizer synergist of the present invention are used the fertilizer synergic
With the fertilizer synergist of above-mentioned enforcement 1, evaluation test is carried out in fertilizer synergy.6 processing are established in this test, repeat totally 18 sub-districts, sub-district area 667m for 3 times
2(mu).Handling fertilizer (chicken manure) for 6 with synergistic agent is respectively by weight:
Handle 1: fertilizer: synergistic agent=1: 0
Handle 2: fertilizer: synergistic agent=3: 1
Handle 3: fertilizer: synergistic agent=1: 1
Handle 4: fertilizer: synergistic agent=1: 3
Handle 5: fertilizer: synergistic agent=0: 1
Handle 6: fertilizer: synergistic agent=0: 0.
Using method: after mixing by above proportioning, fertilization mode is used routinely.
Provide below and estimate fertilizer synergist of the present invention simultaneous test data to the fertilizer synergism on corn.
Table-1
Annotate: output is three repetition mean values.The every kg cost of organic commercial fertilizer (chicken manure) is in 0.8 yuan, and the every kg cost of fertilizer synergist is in 0.4 yuan.The corn average price is by every kg1.30 unit.
Result and analysis:
Find that by experimental observation corn applies fertilizer synergist of the present invention and compares with the contrast single fertilizer:
(1) compared with the control, pure applying fertilizer synergistic agent, each processing of the different proportionings with fertilizer synergist of pure organic fertilizer all show tangible effect of increasing production, and its amplification is 39.21%～77.59%.
(2) compare with pure organic fertilizer, application of organic fertilizers is different with the processing performance of the different proportionings of fertilizer synergist.Show as volume increase with 50% fertilizer+50% synergistic agent processing, purer fertilizer volume increase 9.79%; 75% fertilizer+25% synergistic agent is handled, purer fertilizer volume increase 4.12%; 25% fertilizer+75% synergistic agent is handled and is shown as the underproduction, the purer fertilizer underproduction 1%.
(3) compare with pure organic fertilizer, the different proportionings with fertilizer synergist of application of organic fertilizers have a net increase of income obviously to be increased.50% fertilizer+50% synergistic agent is handled, and purer fertilizer mu increases income 86.66 yuan; 75% fertilizer+25% synergistic agent is handled, and purer fertilizer mu increases income 34.39 yuan; 25% fertilizer+75% synergistic agent is handled, and purer fertilizer mu increases income 25.63 yuan.
Embodiment 7, fertilizer synergist of the present invention are used organic/inorganic composite fertilizer synergic
With the fertilizer synergist of above-mentioned enforcement 2, evaluation test is carried out in the synergy of organic/inorganic composite fertilizer.6 processing are established in this test, repeat totally 18 sub-districts, sub-district area 667m for 3 times
2(mu).Handle fertilizer/inorganic compounding (N-P for 6
2O
5-K
2The organic proportioning 12-10-18-20 of O-) with synergistic agent be by weight respectively:
Handle 1: organic/inorganic is compound: synergistic agent=1: 0
Handle 2: organic/inorganic is compound: synergistic agent=3: 1
Handle 3: organic/inorganic is compound: synergistic agent=1: 1
Handle 4: organic/inorganic is compound: synergistic agent=1: 3
Handle 5: organic/inorganic is compound: synergistic agent=0: 1
Handle 6: organic/inorganic is compound: synergistic agent=0: 0.
Using method: after mixing by above proportioning, fertilization mode is used routinely.
Provide below and estimate fertilizer synergist of the present invention simultaneous test data to the synergism of organic/inorganic composite fertilizer on flue-cured tobacco.
Table-2
Annotate: output is three repetition mean values.Organic commercial fertilizer/inorganic composite fertilizer, N-P
2O
5-K
2The organic proportioning 12-10-18-20 of O-, every kg cost is in 1.5 yuan, and the every kg cost of fertilizer synergist is in 0.4 yuan.The flue-cured tobacco average price is by 11.00 yuan of every kg.
Result and analysis:
Find that by experimental observation flue-cured tobacco applies fertilizer synergist of the present invention and compares with the contrast single fertilizer:
(1) compared with the control, pure applying fertilizer synergistic agent, each processing of the different proportionings with fertilizer synergist of pure organic fertilizer/inorganic composite fertilizer all show tangible effect of increasing production, and its amplification is 12.1%～64.17%.
(2) compare with pure organic fertilizer, application of organic fertilizers/inorganic composite fertilizer is different with the processing performance of the different proportionings of fertilizer synergist.Show as volume increase with 75% fertilizer/inorganic composite fertilizer+50% synergistic agent processing, purer fertilizer/inorganic composite fertilizer volume increase 16.9%; 50% fertilizer/inorganic composite fertilizer+50% synergistic agent is handled, purer fertilizer/inorganic composite fertilizer volume increase 7.63%; 25% fertilizer/inorganic composite fertilizer+75% synergistic agent is handled, purer fertilizer/inorganic composite fertilizer volume increase 4.7%.
(3) compare with pure organic fertilizer/inorganic composite fertilizer, the different proportionings with fertilizer synergist of application of organic fertilizers/inorganic composite fertilizer have a net increase of income obviously to be increased.75% fertilizer/inorganic composite fertilizer+25% synergistic agent is handled, and purer fertilizer/inorganic composite fertilizer mu increases income 254.1 yuan; 50% fertilizer/inorganic composite fertilizer+50% synergistic agent is handled, and purer fertilizer/inorganic composite fertilizer mu increases income 157.3 yuan; 25% fertilizer/inorganic composite fertilizer+75% synergistic agent is handled, and purer fertilizer/inorganic composite fertilizer mu increases income 145.2 yuan.
Embodiment 8, fertilizer synergist of the present invention are used the urea synergic
With the fertilizer synergist of above-mentioned enforcement 3, evaluation test is carried out in urea synergy.6 processing are established in this test, repeat totally 18 sub-districts, sub-district area 667m for 3 times
2(mu).Handle urea and synergistic agent is respectively by weight for 6:
Handle 1: urea: synergistic agent=1: 0
Handle 2: urea: synergistic agent=3: 1
Handle 3: urea: synergistic agent=1: 1
Handle 4: urea: synergistic agent=1: 3
Handle 5: urea: synergistic agent=0: 1
Handle 6: urea: synergistic agent=0: 0.
Using method: after mixing by above proportioning, fertilization mode is used routinely.
Provide below and estimate fertilizer synergist of the present invention simultaneous test data to the urea synergism on paddy rice.
Table-3
Annotate: output is three repetition mean values.The every kg cost of urea is in 1.8 yuan, and the every kg cost of fertilizer synergist is in 0.4 yuan.The paddy rice average price is by every kg1.40 unit.
Result and analysis:
(1) compared with the control, pure applying fertilizer synergistic agent, the pure different proportionings with fertilizer synergist of urea of executing are respectively handled, and all show tangible effect of increasing production, and its amplification is 36.28%～64.62%.
(2) compare with pure organic fertilizer, it is different with the processing performance of the different proportionings of fertilizer synergist to use urea.Show as volume increase, purer urea with increased yield 9.07% with 50% urea+50% synergistic agent processing; 25% urea+75% synergistic agent is handled, purer urea with increased yield 5.02%; 75% urea+25% synergistic agent is handled, purer urea with increased yield 1.34%.
(3) compare with the pure urea of executing, use the different proportionings of urea and have a net increase of obviously increase of income with fertilizer synergist.50% urea+50% synergistic agent is handled, and purer urea mu increases income 92.26 yuan; 25% urea+75% synergistic agent is handled, and purer urea mu increases income 77.56 yuan; 75% urea+25% synergistic agent is handled, and purer urea mu increases income 23.52 yuan.
Claims (6)
1, a kind of fertilizer synergist calculates with weight ratio, by 10～65 parts flyash, and 5～15 parts properties-correcting agent, 20～75 parts carrier, 10～65 parts dispersion agent is formed.
2, a kind of fertilizer synergist preparation method according to claim 1, this method may further comprise the steps;
1) material is handled: dispersion agent is pulverized, and making its particle diameter is that 80～325 orders are stand-by;
2) modified-reaction: respectively flyash, properties-correcting agent, carrier are joined in the reactor of sealing, stir, control reaction temperature is 60～135 ℃, and the stirring reaction time is 30～240 minutes;
3) disperse: the dispersion agent that crushes is added in the reactor, and the control dispersion temperature is 80～135 ℃, and the dispersed with stirring time is 20～90 minutes;
4) moulding: after cooling, pulverize and make fertilizer synergist.
3, a kind of fertilizer synergist according to claim 1 is characterized in that described properties-correcting agent, comprises any one or more mixing in following:
Sodium hydroxide, potassium hydroxide, yellow soda ash, salt of wormwood, calcium oxide, bicarbonate of ammonia, plant ash, quadrol, methane amide, N, N-dimethyl-p-toluidine, N, dinethylformamide, N, N-dimethylethanolamine, thanomin.
4, a kind of fertilizer synergist according to claim 1 is characterized in that described carrier, comprises any one or more mixing in following:
Water, emulsified bitumen, urea, diatomite, glucose, sucrose, palmitinic acid glyceride, stearate, palm wax, cream tung oil, Viscotrol C wax, montanin wax, valchovite, polyacrylic resin.
5, a kind of fertilizer synergist according to claim 1 is characterized in that described dispersion agent, comprises any one or more mixing in following:
Brown coal, peat, weathered coal, cream tung seeds shell, cream Chinese wood oil residule, bagasse, straw, Mierocrystalline cellulose, xylogen, xylogen benzene sulfonate, dodecyl sulfate, dodecylbenzene sulfonate.
6, a kind of fertilizer synergist as fertilizer sources synergic is used.
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