CN102718600A - Organic carbon ecological slow-release fertilizer and preparation method thereof - Google Patents
Organic carbon ecological slow-release fertilizer and preparation method thereof Download PDFInfo
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- CN102718600A CN102718600A CN2012102328810A CN201210232881A CN102718600A CN 102718600 A CN102718600 A CN 102718600A CN 2012102328810 A CN2012102328810 A CN 2012102328810A CN 201210232881 A CN201210232881 A CN 201210232881A CN 102718600 A CN102718600 A CN 102718600A
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Abstract
The invention discloses an organic carbon ecological slow-release fertilizer, which is prepared from the following raw materials in percentage by weight: 5-25% of urine, 1-5% of ammonium bicarbonate, 0-5% of monopotassium phosphate, 0-10% of calcium carbonate, 5-15% of potassium sulfate, 5-30% of calcium superphosphate, 5-10% of humic acid, 0-10% of kaolin or palygorskite powder, 0-1% of trace element complexing agent, 0-3% of binding agent and 10-35% of organic carbon. The invention also discloses a preparation method for the organic carbon ecological slow-release fertilizer. The organic carbon with a specific structure is firstly prepared by anaerobic thermal cracking and is used as important functional material for producing high-efficiency ecological organic and inorganic compound-mixing slow-release fertilizer, the harmless and recycling level of solid waste is improved, and the high additional value output of resource is greatly improved. According to the organic carbon ecological slow-release fertilizer disclosed by the invention, various actions on improving the fertilizer use efficiency and protecting the environment in the agricultural production process can be greatly improved, and a sustainable benign carbon cycle ecological chain is built.
Description
Technical field
It is ecological fertile to the present invention relates to the compound slowly-releasing of a kind of organic-inorganic, particularly relates to ecological slow-release fertilizer of the discarded organic preparation organic carbon of a kind of utilization and preparation method thereof.
Background technology
Solid waste like domestic waste, contains the organic matter about 40%, if adopt common disposal options such as landfill, burning, except secondary pollution, resource recovery also is very low.If directly screen the ferment making fertilizer, its fertilizer efficiency is poor, pollutes to weigh, and being difficult to has actual widespread use.The policies and regulations of country are also controlled the pollution of secondary pollution and transitivity more and more strictly.The organic matter that harmless resource maximization is disposed in solid the giving up is very outstanding in a current solution environmental problem problem.
Traditional organic and inorganic compound fertilizer is simply with nitrogen, phosphorus, K composite fertilizer and common organic the mixing; After through homogenizing and granulating, process product; Also can add chemical inhibitor again; As, urase, polypeptide agent, urea formaldehyde, coating wait and prepare slow-release fertilizer, like the disclosed technology of Chinese patent 200510136714.6/CN990431.These chemical can bring pollution to a certain degree more or less and destroy the structure of soil, are unfavorable for that farm crop produce.Also have and adopt the fertile and fertilizer method of mixing of compound controlled release, like the said disclosed technology of Chinese patent CN102108035A.But above-mentioned disclosed method all is difficult to prepare the green high-level organic and inorganic fertilizer of efficient ecological, and its application also has certain influence to environment.
Summary of the invention
The objective of the invention is the technical problem that environment worked the mischief for the organic matter that solves effectively in the solid waste; Propose a kind of can the improvement largely and use the fertile efficient and the multiple effects such as protection of environment in the agricultural production process, set up ecological slow-release fertilizer of organic carbon of continuable optimum carbon cycle ecological chain and preparation method thereof.
The present invention utilizes and mixes the warm unsettled general character of organic object height under oxygen free condition, and in the presence of special catalyst, thermo-cracking is organic, generates organic carbon, combustible gas and other sub product of specific vesicular structure and high surface.The organic carbon of specific vesicular structure and high surface; The necessary molecule of farm-forestry crop such as adsorption of nitrogen phosphorus potassium effectively; Under wetting situation, can discharge lentamente, conditionally again and exchange out these nutrition, constituted the special controlled slowly-releasing and the effect of enriched element; Can improve nitrogen phosphorus potassium etc. widely by the efficient of plant absorbing and utilization, reduce and avoid chemical fertilizer phreatic pollution.Simultaneously because the structural property of organic carbon material; Possessed moisture-heat preservation effect to a certain degree; Improve the ventilation property and the microbial growth environment of soil, effectively nutritive ingredient is retained in around the root system, but progressively release, progressively conversion, plant continuous absorption; Reach balanced nutrients, the effect of system improvement.Organic carbon itself just contains the itrogenous organic substance of a fixed structure besides; Great majority have anti-effect of murdering worm; In addition except containing certain nitrogen phosphorus potassium composition, also trace element that original biomass had etc. is remained, after the strong reduction of high temperature; Constituted the trophic component of special function, so improved plant disease-resistant evil ability and the balanced nutrients requirement of having satisfied plant growth.In addition, also can in organic carbon, add humic acid, probiotics etc., generate the fertilizer type possess other function, utilize the characteristic of organic carbon to improve the application actual effect of these substance.
Description of drawings
Below in conjunction with accompanying drawing and embodiment this patent is carried out detailed explanation, wherein:
Fig. 1 is the ecological slow-release fertilizer production equipment of an organic carbon synoptic diagram.
Embodiment
The ecological slow-release fertilizer of organic carbon provided by the invention, its raw material configuration by following weight percentage forms: urea 5～25%, carbon ammonium 1～5%, potassium primary phosphate 0～5%, lime carbonate 0～10%, vitriolate of tartar 5～15%, superphosphate of lime 5～30%, humic acid 5～10%, kaolin or polygorskite powder 0～10%, micro-recombiner 0～1%, tackiness agent 0～3%, organic carbon 10～35%.
The nitrogen that contains among the present invention, phosphorus, potassium element are that aequum is relevant with soil constituent and the growth needs of specified plant specific period thereof for additional three required big compositions of plant.
Wherein, humic acid is to utilize natural phant to pass through the humic acid of the method production of biological fermentation, is a mixture, is main with yellow detritus acid.Also can be the detritus acid of any kind of, require the comprehensive detritus acid content of solubility high more good more, content generally be not less than 20%.
Polygorskite be a kind of layer of chain-like structure contain Shuifu County's magnesium alumino metasilicate clay mineral.
Trace element as boron, magnesium, copper or the like are that plant-growth is essential but requirement element seldom through the natural animal-plant in the pyrolysis rubbish, keeps the trace element that it contains, and being equipped with certain detritus acid sequestering agent again increases flowability, reaches the compound purpose.Recombiner is also fixing, need not add usually, but as when running into the needing of specified plant, the soluble salt that adds small amount of boron, zinc, magnesium is as recombiner.
Organic carbon comprises 0～0.1% Pottasium Hydroxide of 1～5% lime powder, this organism weight of organism, this organism weight.Organism can be at least a in the organic substance, eagroforestry waste, food garbage in the domestic refuse.
The preferred embodiment of the present invention, urea 20%, carbon ammonium 1 %, lime carbonate 3.5%, vitriolate of tartar 15%, superphosphate of lime 30%, humic acid 5%, polygorskite powder 10%, Z 150PH 0.5%, organic carbon 15%.Wherein, organic carbon comprises 4% lime powder of organism, this organic substance weight.
As shown in table 1, the weight proportion table [unit: weight percent] of other four embodiment of coating of the present invention that given an example, promptly through each component different get value, be hybridly prepared into the ecological slow-release fertilizer of required organic carbon.
Table 1
Preparing method of the present invention sees also Fig. 1, and step is following:
Step 1: material pre-treatment and preparation
Masonry in the waste materials such as domestic refuse, all kinds of eagroforestry waste, food garbage, metal, glass etc. are sub-elected; The organism that stays is pulverized the back as raw material; Processing speed to select enters in the hopper 1 continuously, if material water ratio is too high, and then need be through dehydration or dry.Be controlled at≤65% water ratio.Again as required, choose proportioning, 1～5% the lime powder that accounts for organism weight, 0～0.1% the Pottasium Hydroxide that accounts for organism weight are poured in the hopper 1 mixed.Mixture is sent into heat scission reaction still 4 by screw reamer handling machinery 3 under the driving of motor 2.
In the preferred embodiment; < 2 centimetres size is again behind screw press, with 5 tons/>hour treatment capacity through being crushed to the organism that sorts out; Add 4% lime powder (Pottasium Hydroxide is zero) in hopper 1 of organism treatment capacity, mix being transported in the heat scission reaction still 4 again by screw reamer.
Mixture enters into heat scission reaction still 4 and carries out heat scission reaction.The still interior reaction temperature is that 500 ° of C～800 ° C, pressure are normal pressure, and thermal source 5 provides institute's heat requirement with temperature states such as maintenances.Mixture is under this reaction conditions, and rapid thermo-cracking also generates combustible gas, steam, organic carbon and other organic product, and all products are all crossed the opening discharge reaction kettle at heat scission reaction still 4 tops with air communication.
Step 3 product separates
Air communication by the pyrocrack furnace 4 top mouths of pipe are discharged is crossed three grades of high temperature rotational flow sorting devices 6; With gases such as organic carbon dust and combustion gas separately: after gas is discharged by the pipeline 7 at three grades of high temperature rotational flow sorting device 6 tops; Tell condensed fluid through condensing tower 15 and separate through water-and-oil separator 16, the liquid oil that the water of separating is reclaimed, separated by the outlet 18 of separator 16 bottoms is derived the back storage by the outlet 19 on separator 16 tops.Combustible gas is directly discharged and is stored in the gas tank 17 by the top of condensing tower 15.The organic carbon of separating, directly the opening from three grades of high temperature rotational flow sorting device 6 bottoms is drained into the mixed ingredients device 9.
Step 4 batching
Through the ingredients mouth in the mixed ingredients device 9 10; According to selected proportioning; Add urea 5～25%, carbon ammonium 1～5%, potassium primary phosphate 0～5%, lime carbonate 0～10%, vitriolate of tartar 5～15%, superphosphate of lime 5～30%, humic acid 5～10%, kaolin or polygorskite powder 0～10%, micro-recombiner 0～-1%, tackiness agent 0～3%, surplus is that organic carbon accounts for 10-～35%.Mixed ingredients device 9 under the driving of motor 8, with all materials mill mix after, send into granulation in the tablets press 11.
In the preferred embodiment; Add powder urea 20%, carbon ammonium 0.5%, lime carbonate 4%, vitriolate of tartar 15%, superphosphate of lime 30%, humic acid 5%, Attapulgite 10%, wherein organic carbon accounts for 15%, after the mixing of milling is accomplished; When material outlet; Spray polyvinyl alcohol solution (w/w 5%--weight percentage restrains the solution that water are made into like 5 gram Z 150PH and 95) 0.5%, all materials are admitted to granulation in the tablets press 11 then.
After mixed uniformly material gets into tablets press 11; Through the solid particulate that tablets press 11 rolls or press mold is sized and shaped; Dry and control water ratio in the flowing of hot blast before the discharging; Final granule flows out to travelling belt 12 and sends into product hopper 13 and pack, and accomplishes the last packing of product through electronic scales automatic packing machine 14.
In the preferred embodiment, tablets press 11 adopts the cylinder granulating equipment, and ball particle, the water ratio of producing 3～5mm diameter mix 5% of fertile standard-required less than organic-inorganic.
Organic carbon among the present invention is unique composition, also is irreplaceable to the effect of plant, and the characteristic of existing fertilizer can increase ventilative, other performance such as preserve moisture again, and actual comprehensive effect very significantly.The effect of organic carbon sees the following form:
Total nitrogen content in the table 2 different soils kind of plant cauline leaf
S: soil; P: plant; B: blank; F: chemical fertilizer
;C: organic carbon; R: radish; F: flowers and trees; G: draft
Table 2 data declaration organic carbon can promote the growth (total nitrogen content) of plant effectively, especially for lean soil plantation part.
Total nitrogen content in the table 3 plant root surrounding soil
Table 3 data presentation, the soil Anti-lost, the fertilizer-preserving ability that add organic carbon obviously improve, and increase with the raising of organic carbon content.
The present invention has the organic carbon of ad hoc structure through the method preparation of anaerobic thermo-cracking; And it is used to produce a kind of efficient ecological organic-inorganic compound slow-release fertilizer as important functional material; This has not only improved useless admittedly harmless resource utilization level, and the output of resource high added value is than greatly improving.The present invention can improve the efficient of usefulness fertilizer in the agricultural production process and the multiple effects such as protection of environment largely, sets up continuable optimum carbon cycle ecological chain.
Claims (9)
1. the ecological slow-release fertilizer of an organic carbon is characterized in that, is formed by the raw material configuration of following weight percentage:
Urea 5～25%, carbon ammonium 1～5%, potassium primary phosphate 0～5%, lime carbonate 0～10%, vitriolate of tartar 5～15%, superphosphate of lime 5～30%, humic acid 5～10%, kaolin or polygorskite powder 0～10%, micro-recombiner 0～1%, tackiness agent 0～3%, organic carbon 10～35%.
2. the ecological slow-release fertilizer of organic carbon as claimed in claim 1 is characterized in that, said organic carbon comprises 0～0.1% Pottasium Hydroxide of 1～5% lime powder, this organism weight of organism, this organism weight.
3. the ecological slow-release fertilizer of organic carbon as claimed in claim 2 is characterized in that, described organism comprises at least a in organic substance in the domestic refuse, eagroforestry waste, the food garbage.
4. the ecological slow-release fertilizer of organic carbon as claimed in claim 2 is characterized in that described organism water ratio≤65%.
5. preparation method of the ecological slow-release fertilizer of organic carbon according to claim 1, it comprises the steps:
Step 1: material pre-treatment and preparation
To mix by proportioning with lime powder, Pottasium Hydroxide through the organism that sorts out, again the said mixture material is sent into the heat scission reaction still;
Step 2 thermo-cracking
To getting into the mixture heating in the heat scission reaction still still, carry out heat scission reaction, and combustible gas, steam, organic carbon and organism that reaction generates all enter the rotational flow sorting device with the outlet that air communication is crossed heat scission reaction still top;
Step 3 product separates
The rotational flow sorting device separates the organic carbon in the air-flow that gets into gas;
Gas is sent into condensing tower, is fed through water-and-oil separator through the isolated condensed fluid of condensing tower and separates, and the water of separating is discharged the liquid oil that reclaims, separates and derived storage; The combustible gas discharge of separating through condensing tower is stored in the gas tank;
Organic carbon is directly entered in the mixed ingredients device by the rotational flow sorting device;
Step 4 batching
By proportioning urea, carbon ammonium, potassium primary phosphate, lime carbonate, vitriolate of tartar, superphosphate of lime, humic acid, kaolin or polygorskite powder, micro-recombiner, tackiness agent are added in the mixed ingredients device; And with described organic carbon mill mix after, send into tablets press;
Step 5 granulation, packing
Mixed uniformly material after tablets press 11 will get into is made into the solid particulate of certain size and shape, after drying, sends into hopper and packs.
6. preparation method as claimed in claim 5 is characterized in that, the temperature of said heat scission reaction is 500 ° of C～800 ° C.
7. preparation method as claimed in claim 5 is characterized in that, describedly is crushed to the size less than 2 centimetres through the organism that sorts out.
8. preparation method as claimed in claim 5 is characterized in that, the solid particulate after the said granulation is the ball particle of 3～5mm diameter.
9. preparation method as claimed in claim 5 is characterized in that, said through dried solid particulate, water ratio is less than 5%.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315064A (en) * | 2014-08-21 | 2016-02-10 | 许象玉 | Chelated multi-element composite particulate microelement fertilizer and preparation method thereof |
| CN105884505A (en) * | 2015-01-16 | 2016-08-24 | 宁波高新区金杉新能源科技有限公司 | Compound soil improvement fertilizer and preparing method thereof |
| CN107266255A (en) * | 2017-07-26 | 2017-10-20 | 中园园林股份有限公司 | A kind of afforestation high nutrition environment-protective compound fertilizer formula |
| CN108929161A (en) * | 2018-08-02 | 2018-12-04 | 张居政 | A method of using the melting legal preparation compound fertilizer of carbon |
| CN109400355A (en) * | 2018-11-20 | 2019-03-01 | 广东巴斯德环境科技有限公司 | A kind of multi items liquid Water soluble fertilizer production line and liquid Water soluble fertilizer production technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105315064A (en) * | 2014-08-21 | 2016-02-10 | 许象玉 | Chelated multi-element composite particulate microelement fertilizer and preparation method thereof |
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| CN107266255A (en) * | 2017-07-26 | 2017-10-20 | 中园园林股份有限公司 | A kind of afforestation high nutrition environment-protective compound fertilizer formula |
| CN108929161A (en) * | 2018-08-02 | 2018-12-04 | 张居政 | A method of using the melting legal preparation compound fertilizer of carbon |
| CN109400355A (en) * | 2018-11-20 | 2019-03-01 | 广东巴斯德环境科技有限公司 | A kind of multi items liquid Water soluble fertilizer production line and liquid Water soluble fertilizer production technology |
| CN109400355B (en) * | 2018-11-20 | 2021-07-13 | 中山市承铭农业技术开发有限公司 | Multi-variety liquid water-soluble fertilizer production line and liquid water-soluble fertilizer production process |
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Effective date of registration: 20171204 Address after: 225300 Taizhou City, Jiangsu Province, Taixing hi tech Industrial Development Zone, north side of the ring road Patentee after: Taixing top environmental protection equipment manufacturing Co., Ltd. Address before: 518000 Nanshan District Hong Kong Bay Avenue, Shenzhen, Shenzhen, Guangdong Province, East and inner ring South energy industry district, 228, 230 Patentee before: Shenzhen Kaipulansheng Energy Sources Environment Protection Co., Ltd. |
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Effective date of registration: 20180817 Address after: 510000 A4 14-15, science Road 181, Whampoa District, Guangzhou, Guangdong. Patentee after: GUANGZHOU WEIGANG ENVIRONMENT TECHNOLOGY CO., LTD. Address before: 225300 north side of Huan Xi Road, Taixing high tech Industrial Development Zone, Taizhou, Jiangsu Patentee before: Taixing top environmental protection equipment manufacturing Co., Ltd. |