CN102718607A - Soil conditioner containing calcium cyanamide and preparation method thereof - Google Patents
Soil conditioner containing calcium cyanamide and preparation method thereof Download PDFInfo
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- CN102718607A CN102718607A CN201210199057XA CN201210199057A CN102718607A CN 102718607 A CN102718607 A CN 102718607A CN 201210199057X A CN201210199057X A CN 201210199057XA CN 201210199057 A CN201210199057 A CN 201210199057A CN 102718607 A CN102718607 A CN 102718607A
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- calcium cyanamide
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Abstract
The invention relates to a soil conditioner containing calcium cyanamide and a preparation method thereof. The soil conditioner comprises, by weight percentage, 20-60% of carbonaceous organic material, 30-80% of calcium cyanamide, and 5-15% of grease. The preparation method includes: drying the carbonaceous organic material, crushing, well mixing the carbonaceous organic material, the calcium cyanamide and the grease according to the weight percentage, and extruding and granulating. By the preparation method, the problems that the calcium cyanamide particles is easy to resolve in water to generate cyanide ammonia gas causing effective components loss of the calcium cyanamide, and harm to human bodies can be caused by the cyanide ammonia gas can be well solved. When the soil conditioner containing calcium cyanamide is used in soil fumigation, the calcium cyanamide can be reacted with water to generate the cyanide ammonia gas which has evident killing effect to various soil-borne diseases. In the meantime, heat and ammonia generated during fermentation and decomposition process of the carbonaceous organic material can enhance the killing effect of the calcium cyanamide.
Description
Technical field:
The present invention relates to agriculture field, soil conditioner and fertilizer field, particularly contain the soil conditioner of calcium cyanamide.
Background technology:
Calcium cyanamide (CaNCN) is slightly soluble in water; React basic; Usually be heated in electric furnace by gaseous ammonia and carbide of calcium (calcium carbide) and become the agglutinating block about 1000 ℃; Through cooling back pulverizing and levigate, also contain the calcium carbide of composition such as quicklime, carbide of calcium, graphite carbon and small amount of residual in its component.Calcium cyanamide is as chemical fertilizer, and contained nitrogen can not must react with water by warp in soil directly by plant absorbing, generates calcium hydroxide and cyanogen ammonia earlier, and cyanogen ammonia hydrolysis again generates urea, decomposes ammonification at last, could be by plant absorbing.Wherein, the cyanogen ammonia of generation also has the effect of sterilization, deinsectization, diseases prevention.
Calcium cyanamide is as soil fumigant; Not only can kill fungi in the soil (like sickle-like bacteria, phytophthora, Verticillium etc.), bacterium (like the withered Lloyd's bacterium of green grass or young crops, erwinia etc.), nematode (like root knot nematode etc.), subterranean pest-insect numerous causal organisms such as (like grub, wireworm, cutworms etc.); And it is gaseous phase in soil; Possess after the movability; Be easy to again distribute, solved the single medicament of present employing preferably and be difficult to reach the effect of killing numerous causal organisms and problems such as the pesticide residue of using two or more mixed pesticide to use to be brought, groundwater pollution.
Still be difficult to bring into play the effect that it kills causal organism in view of single calcium cyanamide composition, and when using calcium cyanamide to the existence of restraining factors such as have relatively high expectations of personal security property, people begin to turn to the application of the composite fertilizer of research calcium cyanamide.
In disclosed " stable enhanced efficiency controllable release calcium cyanamine " patent of invention (CN1407957) by name on April 2nd, 2003, just the particulate slow-release fertilizer of mentioning that the various combination that utilizes calcium cyanamide and urea is made is arranged.Simultaneously; In disclosed " particle calcium cyanamide composite fertilizer and complete processing thereof " patent of invention (CN101440000) by name on May 27th, 2009; Also have and mention with calcium cyanamide, auxiliary material and blending agents being the composite fertilizer of staple; Wherein, adjunct ingredient is that one or more of animal excrement, straw, weathered coal, humic acids, humic acids magnesium are composite, and blending agents is that one or more of urea, an ammonium nitrate, nitrocalcite are composite.Yet, mix meeting with urea, an ammonium nitrate based on calcium cyanamide chemical reaction takes place, form volatile salt, can cause ammonia volatilization, fertilizer efficiency is obviously reduced.Such scheme all exists product to select fertilizer blended situation such as calcium cyanamide and urea in process of production for use, and therefore, fertilizer efficiency decline and resource loss become the restriction problem of a new round.
Summary of the invention:
The purpose of this invention is to provide a kind of calcium cyanamide that can either reduce and in the reprocessing process, decompose performance, that can improve the soil disinfection effect again contains calcium cyanamide soil conditioner and preparation method thereof.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of calcium cyanamide soil conditioner that contains comprises the carbonaceous organic material material that accounts for gross weight 20%～60%, accounts for the calcium cyanamide of gross weight 30%～80% and accounts for the grease of gross weight 5%～15%.
Like above-mentioned carbonaceous organic material material is one or both of crop material, processing of farm products waste.
Comprise one or more of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural like above-mentioned processing of farm products waste.
Meet the HG2427-93 standard like above-mentioned calcium cyanamide.
Like above-mentioned grease is one or both of fried food product waste oil, VT 18.
Crop straw refuse, processing of farm products waste, food-processing waste oil etc. are turned waste into wealth in the present invention, can reduce environmental pollution effectively, realize green round-robin agriculture prodn.
Wherein, Food-processing waste oil is meant the animal-plant oil that can not eat again that food-processing industry produces in the production and operation process; Comprise the grease that can not eat again that grease uses the back to produce; The grease that can not eat again that oil-containing waste water produces after water-and-oil separator or oil trap separation, and the grease behind the grain and oil processing decolorization filtering etc.
Use as the blending agents in the granulating and forming technology like above-mentioned grease.
Through in granulation process, adding grease as blending agents; Substituted traditional interpolation water and physiological acidic fertilizers such as urea, an ammonium nitrate prilling process as blending agents; Not only controlled the free water content of carbonaceous organic material material, and solved present calcium cyanamide effectively and in production link, meet water decomposition and produce the problem that loss of effective components that the cyanogen ammonia gas caused and cyanogen ammonia gas work the mischief to human body.
Like above-mentioned a kind of preparation method who contains the calcium cyanamide soil conditioner: earlier that the carbonaceous organic material material is dry; Pulverize; Prepare burden by the weight content per-cent of carbonaceous organic material material 10%～70%, calcium cyanamide 20%～80% and grease 5%～15% again; After the three stirred, extruder grain was processed the particle of 2～4mm, dry then, cooling, packing.
The dried water cut of carbonaceous organic material material that is used to prepare burden as above-mentioned is 6%～13%.
Through adding the carbonaceous organic material material, can improve the action effect of simple substance calcium cyanamide on the one hand, can utilize the performance of its suction, water conservation on the other hand, solved the problem that is difficult for decomposing the performance effect because of the soil lack of water of using at present behind the calcium cyanamide effectively.
Particle size as after the above-mentioned carbonaceous organic material material that is used to the prepare burden pulverizing is 1～3mm.
After calcium cyanamide processed particle, can solve in the application harmful calcium cyanamide dust to the harm of HUMAN HEALTH.
Product of the present invention not only can provide a kind of long-acting nitrogenous source and calcium ion for soil; Balance is made nitrogen ca proportion in the object; Improve the crop anti-adversity ability, and when being used for soil-fumigating, the cyanogen ammonia gas that the calcium cyanamide in the product is met water reaction generation has significant killing effect to all kinds of soil-borne diseases; Simultaneously, the heat that in the fermentation maturity process, produced of carbonaceous organic material material and the ammonia killing effect that also strengthens calcium cyanamide to a certain extent.
Embodiment:
Containing the calcium cyanamide soil conditioner with 100kg is example, is grouped into by following each one-tenth, and it is following that each composition adds content:
| Embodiment | Carbonaceous organic material material (kg) | Calcium cyanamide (kg) | Grease (kg) |
| 1 | 24 | 66 | 10 |
| 2 | 15 | 72 | 13 |
| 3 | 42 | 50 | 8 |
Containing the calcium cyanamide soil conditioner with preparation 100kg is example, explains as follows:
Embodiment 1
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 10kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 14kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 66kg calcium cyanamide and 10kg fried food product waste oil, VT 18 is a kind of or both mixtures, after stirring, processes the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
Embodiment 2
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 7kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 8kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 72kg calcium cyanamide and 13kg fried food product waste oil, VT 18 is a kind of or both mixtures, after stirring, processes the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
Embodiment 3
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 15kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 27kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 50kg calcium cyanamide and 8kg fried food product waste oil, VT 18 is a kind of or both mixtures, after stirring, processes the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
As blending agents, 100kg contains the calcium cyanamide soil conditioner as reference examples with preparation, carries out following comparative illustration with employed water in traditional granulating and forming technology:
| Embodiment | Carbonaceous organic material material (kg) | Calcium cyanamide (kg) | Grease (kg) |
| 1 | 24 | 66 | 10 |
| 2 | 15 | 72 | 13 |
| 3 | 42 | 50 | 8 |
| Reference examples | Carbonaceous organic material material (kg) | Calcium cyanamide (kg) | Water (kg) |
| 1 | 24 | 66 | 10 |
| 2 | 15 | 72 | 13 |
| 3 | 42 | 50 | 8 |
Embodiment 1
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 10kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 14kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 66kg calcium cyanamide and 10kg fried food product waste oil, VT 18 is a kind of or both mixtures, after stirring, processes the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
Reference examples 1
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 10kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 14kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 66kg calcium cyanamide and 10kg water, after stirring, process the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
The foregoing description and reference examples relate to, and to contain calcium cyanamide soil conditioner product use-pattern following:
Booth is used these article, ditching on the plantation row, and ditch depth 50cm, wide 50～60cm, length and cultivation row appearance etc. are put Ren Gouzhong with whole corn straw, and the 10cm stalk is exposed at the ditch two ends, so that ventilation.After completing stalk, weighting materials such as freshly-slaughtered poultry excrement are filled out the people wherein, evenly spread above that by the required calcium cyanamide soil conditioner (about 100kg/ mu) that contains of every ditch, blinding 20cm covers transparent plastic film, the drenched stalk of pouring water, and vexed canopy is about 15 days.
Embodiment 2
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 7kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 8kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 72kg calcium cyanamide and 13kg fried food product waste oil, VT 18 is a kind of or both mixtures, after stirring, processes the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
Reference examples 2
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 7kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 8kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 72kg calcium cyanamide and 13kg water, after stirring, process the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
The foregoing description and reference examples relate to, and to contain calcium cyanamide soil conditioner product use-pattern following:
Booth is used these article, adds 400～600kg/ mu stalk by containing calcium cyanamide soil conditioner (about 100kg/ mu), deep plough with soil (20～30cm), smooth loose, cover transparent plastic film, the drenched stalk of pouring water, vexed canopy is about 15 days.
Embodiment 3
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 15kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 27kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 50kg calcium cyanamide and 8kg fried food product waste oil, VT 18 is a kind of or both mixtures, after stirring, processes the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
Reference examples 3
Earlier with rotary drum dryer with straw powder and processing of farm products waste drying to water cut 6%～13%; Remove free water content, get above-mentioned straw powder 15kg through drying treatment, one or more mixtures of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural are 27kg altogether; With beater grinder it is ground into the particle of 1～3mm; Add 50kg calcium cyanamide and 8kg water, after stirring, process the particle of 2～4mm with pair roller type extrusion machine extruder grain; Reusable heat wind drying machine is dry, then with drum unit cooling, metering packing.
The foregoing description and reference examples relate to, and to contain calcium cyanamide soil conditioner product use-pattern following:
In the field crop field planting or transplanted preceding 5 days, add any amount composite fertilizer and mix by containing calcium cyanamide soil conditioner (about 5～10kg/ mu), make base manure, cover transparent plastic film, the drenched stalk of pouring water.
According to the announcement and the instruction of above-mentioned specification sheets, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications more of the present invention and change.In addition, although used some specific terms in this specification sheets, these terms are explanation for ease just, the present invention is not constituted any restriction.
Claims (8)
1. one kind contains the calcium cyanamide soil conditioner, it is characterized in that: said amendment comprises the carbonaceous organic material material that accounts for gross weight 20%～60%, account for the calcium cyanamide of gross weight 30%～80% and account for the grease of gross weight 5%～15%.
2. a kind of calcium cyanamide soil conditioner that contains according to claim 1 is characterized in that: said carbonaceous organic material material is one or both of crop material, processing of farm products waste.
3. a kind of calcium cyanamide soil conditioner that contains according to claim 2 is characterized in that: said processing of farm products waste is one or more of yeast processing waste water enriched material, monosodium glutamate processing waste water enriched material, tealeaf residue, furfural.
4. a kind of calcium cyanamide soil conditioner that contains according to claim 1, it is characterized in that: said grease is one or both of fried food product waste oil, VT 18.
5. a kind of calcium cyanamide soil conditioner that contains according to claim 1, it is characterized in that: said grease uses as the blending agents in the granulating and forming technology.
6. according to each described a kind of preparation method who contains the calcium cyanamide soil conditioner of claim 1 to 5; It is characterized in that: earlier that the carbonaceous organic material material is dry, pulverize, again with carbonaceous organic material material, calcium cyanamide and grease percentage composition batching by weight; After stirring; Extruder grain, dry then, cooling.
7. a kind of preparation method who contains the calcium cyanamide soil conditioner according to claim 6 is characterized in that: the said dried water cut of carbonaceous organic material material that is used to prepare burden is 6%～13%.
8. a kind of preparation method who contains the calcium cyanamide soil conditioner according to claim 6 is characterized in that: the particle size after the said carbonaceous organic material material that is used to prepare burden is pulverized is 1～3mm.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320140A (en) * | 2013-07-03 | 2013-09-25 | 山东浩成化工有限公司 | Soil conditioner |
| CN104045399A (en) * | 2014-06-06 | 2014-09-17 | 山东锦鸿源生态农业有限责任公司 | Soil repair agent and preparation method thereof |
| CN104845639A (en) * | 2015-04-22 | 2015-08-19 | 吴迪 | Soil conditioner preparation method |
| CN105130707A (en) * | 2015-09-08 | 2015-12-09 | 山东佐田氏生物科技有限公司 | Lime nitrogen multifunctional particle type soil amendment and preparation method thereof |
| CN105950167A (en) * | 2016-05-13 | 2016-09-21 | 宁夏大荣化工冶金有限公司 | Acid soil conditioner and method for promoting production increase and quality improvement through application of acid soil conditioner to actinidia |
| CN107353158A (en) * | 2017-08-23 | 2017-11-17 | 湄潭银柜山茶业有限公司 | Soil conditioner for Tea planting ground |
| CN108423797A (en) * | 2018-03-12 | 2018-08-21 | 江西省三净环保科技有限公司 | Treatment of Organic Wastewater filler |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320140A (en) * | 2013-07-03 | 2013-09-25 | 山东浩成化工有限公司 | Soil conditioner |
| CN104045399A (en) * | 2014-06-06 | 2014-09-17 | 山东锦鸿源生态农业有限责任公司 | Soil repair agent and preparation method thereof |
| CN104045399B (en) * | 2014-06-06 | 2016-04-27 | 山东锦鸿源生态农业有限责任公司 | A kind of soil-repairing agent and preparation method thereof |
| CN104845639A (en) * | 2015-04-22 | 2015-08-19 | 吴迪 | Soil conditioner preparation method |
| CN105130707A (en) * | 2015-09-08 | 2015-12-09 | 山东佐田氏生物科技有限公司 | Lime nitrogen multifunctional particle type soil amendment and preparation method thereof |
| CN105130707B (en) * | 2015-09-08 | 2018-04-13 | 山东佐田氏生物科技有限公司 | A kind of lime nitrogen multifunctional particle type soil conditioner and preparation method thereof |
| CN105950167A (en) * | 2016-05-13 | 2016-09-21 | 宁夏大荣化工冶金有限公司 | Acid soil conditioner and method for promoting production increase and quality improvement through application of acid soil conditioner to actinidia |
| CN107353158A (en) * | 2017-08-23 | 2017-11-17 | 湄潭银柜山茶业有限公司 | Soil conditioner for Tea planting ground |
| CN108423797A (en) * | 2018-03-12 | 2018-08-21 | 江西省三净环保科技有限公司 | Treatment of Organic Wastewater filler |
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Application publication date: 20121010 |