CN102633542A - Method for preparing high-concentration organic fertilizer special for organic farms - Google Patents
Method for preparing high-concentration organic fertilizer special for organic farms Download PDFInfo
- Publication number
- CN102633542A CN102633542A CN2012100852695A CN201210085269A CN102633542A CN 102633542 A CN102633542 A CN 102633542A CN 2012100852695 A CN2012100852695 A CN 2012100852695A CN 201210085269 A CN201210085269 A CN 201210085269A CN 102633542 A CN102633542 A CN 102633542A
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- China
- Prior art keywords
- organic fertilizer
- organic
- fertilizer
- mass ratio
- concentration organic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention relates to agricultural high-concentration organic fertilizer preparation methods, in particular to a method for preparing high-concentration organic fertilizer special for organic farms. The method includes: mixing crushed organic wastes according to the carbon-nitrogen mass ratio of 20-25:1, pumping the mixture subjected to water-solid mass ratio adjustment into a pyrolysis tank for pyrolytic reaction, filtering pyrolysis solution through a membrane with the pore diameter ranging from 2mm to 3mm, using a pump pipe to pump the filtered pyrolysis solution into a three-level flash evaporator to be dewatered to obtain fluid or semidried solid, adding straws and rice hull powder to adjust water content of the fertilizer to be lower than 8%, and granulating to obtain organic fertilizer particles with the particle diameter ranging from 1cm to 2cm. Total nitrogen-phosphorus-potassium content of the high-concentration organic fertilizer is increased by four to five times as compared with that of normal organic fertilizer, and the high-concentration organic fertilizer has the advantages of quickness in supply, and is applicable to topdressing in the maximum nutrient demand period of crops and low in usage. Further, convenience in transport and utilization of the organic fertilizer is improved as the fertilizer is made into particles.
Description
Technical field
The present invention relates to agricultural technology field, the preparation method of the high concentration organic fertilizer that particularly organic farm is special-purpose.
Background technology
Be unable to do without the application of organic fertilizer in the production process of organic farm, but present organic fertilizer nutrient content is very low, and nutrient supply intensity is little, can't satisfies the especially maximum mineral nutrition demand that needs the fertile phase of crop of plant growth.
Summary of the invention
The object of the invention is to provide the preparation method of the high organic farm organic fertilizer special of a kind of nutrient composition content.
Technical scheme of the present invention is: press carbon nitrogen mass ratio 20～25:1, after the organic waste after pulverizing was mixed, the solid mass ratio that contains that adds water adjusting mixture was 5%～8%; Then mixture is pumped into pyrolytic tank; Temperature is a pyrolytic reaction 48～72 hours under 80～100 ℃ the condition in pyrolytic tank, again pyrolysis liquid is the membrane filtration of 2～3mm through the aperture after, pump into 3 grades of flash systems through pump line; Evaporative removal moisture; Obtain liquid or half-driedization solid, and then add stalk, below the rice husk powder adjustment fertilizer water ratio to 8%, after the organic fertilizer particle that particle diameter is 1～2cm is processed in granulation.
The present invention adopts organic farm endogenous organic materials; Like stalk, rice husk, livestock and poultry fecaluria, organic source mill tankage etc. as raw material; Produce organic farm organic fertilizer special, general organic fertilizer improves 4 ~ 5 times of nitrogen phosphorus potassium total contents, has the fertile characteristics of quick confession; Can be applicable to the use of topdressing of maximum nutrient demand phase of crop, and consumption is lower; Fertilizer is made into particulate state simultaneously, improves the transportation and the ease of use of organic fertilizer.
Embodiment
Preferred organic farm endogenous organic waste (like stalk, rice husk, engineer's workshop's tankage or feces of livestock and poultry are arranged) utilizes Mechanical Crushing mode grinding dry, utilizes the broken wet feed of alr mode.
Than 20～25:1, mix organic materials according to carbon, nitrogen, regulate the raw material water ratio and make the material solid content reach 5%～8%; Material pumps into pyrolytic tank; Pyrolysis temperature is controlled at 80～100 ℃, stirs pyrolytic reaction after 48～72 hours, and pyrolysis liquid is passed through 2～3mm aperture film; Pump into flash system through pump line, carry out 3 grades of flash vaporization moisture and obtain liquid or half-driedization solid.In liquid or half-driedization solid, add stalk, rice husk powder etc. and further adjust below the fertilizer water ratio to 8%, use pair roller type pressing mold tablets press to carry out granulation of fertilizer, obtain the fertilizer finished product of particle diameter 1～2cm.
Claims (1)
1. the preparation method of a high concentration organic farm fertilizer special for organic is characterized in that by carbon nitrogen mass ratio 20～25:1, after the organic waste after pulverizing is mixed; Adding water, to regulate the solid mass ratio that contains of mixture be 5%～8%, then mixture pumped into pyrolytic tank, in the pyrolytic tank temperature is to stir pyrolytic reaction 48～60 hours under 80～100 ℃ the condition; After again pyrolysis liquid being the membrane filtration of 2mm ~ 3mm through the aperture; Pump into 3 grades of flash systems through pump line, evaporative removal moisture obtains liquid or half-driedization solid; And then add stalk, below the rice husk powder adjustment fertilizer water ratio to 8%, after the organic fertilizer particle that particle diameter is 1～2cm is processed in granulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100852695A CN102633542A (en) | 2012-03-28 | 2012-03-28 | Method for preparing high-concentration organic fertilizer special for organic farms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100852695A CN102633542A (en) | 2012-03-28 | 2012-03-28 | Method for preparing high-concentration organic fertilizer special for organic farms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102633542A true CN102633542A (en) | 2012-08-15 |
Family
ID=46618144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100852695A Pending CN102633542A (en) | 2012-03-28 | 2012-03-28 | Method for preparing high-concentration organic fertilizer special for organic farms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102633542A (en) |
-
2012
- 2012-03-28 CN CN2012100852695A patent/CN102633542A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120815 |