CN104628470B - A kind of preparation method of the special Eco-fertilizer of beach - Google Patents
A kind of preparation method of the special Eco-fertilizer of beach Download PDFInfo
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- CN104628470B CN104628470B CN201510041200.6A CN201510041200A CN104628470B CN 104628470 B CN104628470 B CN 104628470B CN 201510041200 A CN201510041200 A CN 201510041200A CN 104628470 B CN104628470 B CN 104628470B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
-
- 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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
Abstract
A kind of preparation method of the special Eco-fertilizer of beach first takes 900 1050kg of weathered coal humic acid, adds in 90 110kg of ammonium hydrogen carbonate and is mixed evenly, and 40 50kg of composting sprinkling jelly fermentation of bacillus liquid is dispensed after disappearing substantially to ammonia taste;Take 900 1100kg of calcium superphosphate again, molasses fermented 90 110kg of liquid of concentration, 200 300kg of oyster shell whiting for adding in concentration 40 50% are sufficiently mixed, when composting 10 20 is small after dispense;Above two material is finally pressed 1:It adds in after ammonium sulfate is mixed and is granulated after 1 mixing, it is flutterred in roller of the temperature less than or equal to 50 DEG C into the bacterium powder using chitosan dusty yeast as carrier, the bacterium powder containing Paecilomyces lilacinus >=10,000,000,000/gram, material per ton imposes on the bacterium powder of 4 6kg so that the special Eco-fertilizer of beach is made.The special Eco-fertilizer of beach of preparation method production improves breeding and the growth efficiency of zooplankter, increases culture benefit, effectively protects the marine eco-environment.
Description
Technical field
The present invention relates to a kind of preparation methods of Eco-fertilizer.
Background technology
Marine shoal is domestic less to this research and application at present with fertilizer, and China ocean line length, beach area is big, effectively profit
There is special significance to China's ecological fishery with Marine shoal.Existing beach fertilizer mostly has using nitrogen, phosphorus, potassium etc. are conventional
Machine object (poultry manure and mushroom slag etc.), since the control of fermenting-ripening degree is not good enough, it is easy to cause the mud secondary pollution of ocean beach.
The content of the invention
In view of the problems of the existing technology, the present invention provides a kind of preparation method of the special Eco-fertilizer of beach.The preparation
The special Eco-fertilizer of beach of method production improves breeding and the growth efficiency of zooplankter, increases culture benefit, effectively protection sea
Foreign ecological environment.
To achieve the above object, technical scheme is as follows:
A kind of preparation method of the special Eco-fertilizer of beach, preparation process are as follows:
Step 1:Weathered coal humic acid 900-1050kg is taken, ammonium hydrogen carbonate 90-110kg is added in and is fully mixed evenly, composting
Jelly fermentation of bacillus liquid 40-50kg is sprayed, when composting 64-72 is small, ammonia taste dispenses after disappearing substantially;
Step 2:Calcium superphosphate 900-1100kg is taken, the molasses fermented liquid 90-110kg of concentration for adding in concentration 40-50% fills
Point mixing, add oyster shell whiting 200-300kg and be sufficiently mixed, adjust pH value between 6.5-8.0, when composting 10-20 is small after dispense;
Step 3:It will be Step 1: the material of two gained presses 1:1 mixing, then added in by 200 kilograms per ton after ammonium sulfate are mixed
Carry out disc granulation, temperature of charge control low temperature drying under conditions of less than or equal to 80 DEG C;After granulation, be less than in temperature or
It is flutterred in chilling roll equal to 50 DEG C into the bacterium powder using chitosan dusty yeast as carrier, which contains Paecilomyces lilacinus >=100
Hundred million/gram, material per ton imposes on 4-6kg) the bacterium powder the special Eco-fertilizer of beach is made.
A kind of foregoing preparation method of the special Eco-fertilizer of beach contains in the weathered coal humic acid in step 1
Fu Zhi Suan≤40%, You Ji Zhi≤70%, Shui Fen≤20%;Bio-fermented liquid containing bacillusmusilaginosiengineering 10,000,000,000/gram.
A kind of foregoing preparation method of the special Eco-fertilizer of beach, the calcium superphosphate in step 2 contain P2O5>=18%.
A kind of foregoing preparation method of the special Eco-fertilizer of beach, the special Eco-fertilizer of beach made of step 3 contain
Effect viable bacteria >=200,000,000/gram, N >=5%, P2O5≤6%, You Ji Zhi≤20%.
A kind of foregoing preparation method of the special Eco-fertilizer of beach, the ammonium sulfate in step 3 contain N≤21%.
Above-mentioned technical proposal is beneficial in that:
The special Eco-fertilizer of a kind of beach prepared by the present invention is a kind of ammonium humate formed with weathered coal and ammonium hydrogen carbonate
And the carbon organic carrier that the molasses fermented liquid of concentration refines, green grass or young crops (is intended containing pale purple with our company's production high-content composite bacteria liquid
Mould, gel-shaped series bacillus viable bacteria always count≤100 hundred million/gram) for host, produced under the conditions of the art of this patent containing effective
Huo Jun≤200,000,000/gram, N+.P2O5≤10, the beach Eco-fertilizer of You Ji Zhi≤20%.The Eco-fertilizer can effectively facilitate various algae
Parasitic nematode and pathogen are killed in growth, the ecological environment of purifying sea water beach mud, suppression, increase dissolved oxygen amount, improve the numerous of mayfly animal
It grows and growth efficiency, beneficial to cultivating the predation of body, increases culture benefit, protect the marine eco-environment.
The special Eco-fertilizer of beach of the present invention overcomes existing beach fertilizer addition organic matter fermentation to be not thorough, and causes ocean beach mud
And place's life pollution of seawater.Promotion algal grown as base-material and is being added in using weathered coal ammonium humate and the molasses fermented liquid of concentration
Multifunctional bio bacterium carrier is made in inorganic phosphorus fertilizer and ammonium sulfate so that (gel-shaped series bacillus and pale purple plan are blue or green for composite flora
Mould) increased activity in the carrier, it is ensured that it acts on the ecological protection of beach mud and seawater, improves Marine shoal culture benefit,
Promote the sustainable development of sea fishery.
Specific embodiment
In order to make technical problems, technical solutions and advantages to be solved clearer, clear, lead to below
Crossing embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining
The present invention is not intended to limit the present invention.Embodiment one:
A kind of preparation method of the special Eco-fertilizer of beach, preparation process are as follows:
Step 1:The preparation of dense ammonium humate takes weathered coal humic acid (Fu Zhi Suan≤40%, You Ji Zhi≤70%, moisture content
≤ 20%) 900kg adds in ammonium hydrogen carbonate 90kg and is fully mixed evenly, and composting sprinkling jelly fermentation of bacillus liquid (contains gel-shaped
Bud spore bar bacterium≤10,000,000,000/gram) 40kg, when composting 64 is small, after ammonia taste disappears substantially, dispense every bag of 50kg.
Step 2:It takes containing P2O5>=18% calcium superphosphate 900kg, addition concentration 40% concentrate molasses fermented liquid 90kg and fill
Point mixing, adds oyster shell whiting 200kg and is sufficiently mixed, adjust pH value 6.5, when composting 10 is small after to dispense 50kg be one bag.
Step 3:It will be Step 1: the material of two gained presses 1:1 mixing, then by 200 kilograms per ton add in ammonium sulfate (containing N≤
21%) disc granulation, temperature of charge control low temperature drying under conditions of less than or equal to 80 DEG C are carried out after being mixed;After granulation,
It is flutterred in chilling roll of the temperature less than or equal to 50 DEG C into the bacterium powder using chitosan dusty yeast as carrier, which contains pale purple plan
Penicillium notatum >=10,000,000,000/gram, material per ton imposes on the bacterium powder of 4kg so that the special Eco-fertilizer of beach, the special Eco-fertilizer of the beach is made
Containing effective viable bacteria >=200,000,000/gram, N >=5%, P2O5≤6% has machine matter≤20%.
Embodiment two:
A kind of preparation method of the special Eco-fertilizer of beach, preparation process are as follows:
Step 1:The preparation of dense ammonium humate takes weathered coal humic acid (Fu Zhi Suan≤40%, You Ji Zhi≤70%, moisture content
≤ 20%) 1000kg adds in ammonium hydrogen carbonate 100kg and is fully mixed evenly, composting sprinkling gel-shaped fermentation of bacillus liquid (jelly
Sample bud spore bar bacterium≤10,000,000,000/gram) 45kg, when composting 68 is small after ammonia taste disappears substantially, dispense every bag of 50kg.
Step 2:It takes containing P2O5>=18% calcium superphosphate 1000kg adds in concentration 45% and concentrates molasses fermented liquid 100kg
Be sufficiently mixed, add oyster shell whiting 250kg and be sufficiently mixed, adjust pH value 7.0, when composting 15 is small after to dispense 50kg be one bag.
Step 3:It will be Step 1: the material of two gained presses 1:1 mixing, then by 200 kilograms per ton add in ammonium sulfate (containing N≤
21%) disc granulation, temperature of charge control low temperature drying under conditions of less than or equal to 80 DEG C are carried out after being mixed;After granulation,
It is flutterred in chilling roll of the temperature less than or equal to 50 DEG C into the bacterium powder using chitosan dusty yeast as carrier, which contains pale purple plan
Penicillium notatum >=10,000,000,000/gram, material per ton imposes on the bacterium powder of 5k so that the special Eco-fertilizer of beach, the special Eco-fertilizer of the beach is made
Containing effective viable bacteria >=200,000,000/gram, N >=5%, P2O5≤6% has machine matter≤20%.
Embodiment three:
A kind of preparation method of the special Eco-fertilizer of beach, preparation process are as follows:
Step 1:The preparation of dense ammonium humate takes weathered coal humic acid (Fu Zhi Suan≤40%, You Ji Zhi≤70%, moisture content
≤ 20%) 1050kg adds in ammonium hydrogen carbonate 110kg and is fully mixed evenly, composting sprinkling gel-shaped fermentation of bacillus liquid (jelly
Sample bud spore bar bacterium≤10,000,000,000/gram) 50kg, when composting 72 is small after ammonia taste disappears substantially, dispense every bag of 50kg.
Step 2:It takes containing P2O5>=18% calcium superphosphate 1100kg adds in concentration 50% and concentrates molasses fermented liquid 110kg
Be sufficiently mixed, add oyster shell whiting 300kg and be sufficiently mixed, adjust PH to 8.0 compostings 20 it is small when, every 50 kilograms of packing is one bag.
Step 3:It will be Step 1: the material of two gained presses 1:1 mixing, then by 200 kilograms per ton add in ammonium sulfate (containing N≤
21%) disc granulation, temperature of charge control low temperature drying under conditions of less than or equal to 80 DEG C are carried out after being mixed;After granulation,
It is flutterred in chilling roll of the temperature less than or equal to 50 DEG C into the bacterium powder using chitosan dusty yeast as carrier, which contains pale purple plan
Penicillium notatum >=10,000,000,000/gram, material per ton imposes on the bacterium powder of 6kg so that the special Eco-fertilizer of beach, the special Eco-fertilizer of the beach is made
Containing effective viable bacteria >=200,000,000/gram, N >=5%, P2O5≤6% has machine matter≤20%.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in the scope of the invention is set forth herein by the technology or knowledge of above-mentioned introduction or association area
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of the claims.
Claims (9)
1. a kind of preparation method of the special Eco-fertilizer of beach, which is characterized in that preparation process is as follows:
Step 1:Weathered coal humic acid 900-1050kg is taken, ammonium hydrogen carbonate 90-110kg is added in and is fully mixed evenly, composting sprinkling
Jelly fermentation of bacillus liquid 40-50kg, when composting 64-72 is small, ammonia taste dispenses after disappearing substantially;
Step 2:Calcium superphosphate 900-1100kg is taken, the molasses fermented liquid 90-110kg of concentration for adding in concentration 40-50% is fully mixed
Close, add oyster shell whiting 200-300kg and be sufficiently mixed, adjust pH value between 6.5-8.0, when composting 10-20 is small after dispense;
Step 3:It will be Step 1: the material of two gained presses 1:1 mixing, then add in after ammonium sulfate is mixed and carry out by 200 kilograms per ton
Disc granulation, temperature of charge control low temperature drying under conditions of less than or equal to 80 DEG C;After granulation, it is less than or equal in temperature
Flutterred in 50 DEG C of chilling roll into the bacterium powder using chitosan dusty yeast as carrier, the bacterium powder containing Paecilomyces lilacinus >=10,000,000,000/
Gram, material per ton imposes on the bacterium powder of 4-6kg, the special Eco-fertilizer of beach is made.
2. a kind of preparation method of the special Eco-fertilizer of beach as described in claim 1, it is characterised in that:Weathering in step 1
Fu Zhi Suan≤40%, You Ji Zhi≤70%, Shui Fen≤20% contained in coal humic acid;Bio-fermented liquid gemma containing gel-shaped bar
Bacterium 10,000,000,000/gram.
3. a kind of preparation method of the special Eco-fertilizer of beach as claimed in claim 1 or 2, it is characterised in that:In step 2
Calcium superphosphate contains P2O5>=18%.
4. a kind of preparation method of the special Eco-fertilizer of beach as claimed in claim 1 or 2, it is characterised in that:Step 3 is made
The special Eco-fertilizer of beach containing effective viable bacteria >=200,000,000/gram, N >=5%, P2O5
≤ 6%, You Ji Zhi≤20%.
5. a kind of preparation method of the special Eco-fertilizer of beach as claimed in claim 3, it is characterised in that:Made of step 3
The special Eco-fertilizer of beach containing effective viable bacteria >=200,000,000/gram, N >=5%, P2O5
≤ 6%, You Ji Zhi≤20%.
6. a kind of preparation method of the special Eco-fertilizer of beach as claimed in claim 1 or 2, it is characterised in that:In step 3
Ammonium sulfate contains N≤21%.
7. a kind of preparation method of the special Eco-fertilizer of beach as claimed in claim 3, it is characterised in that:Sulfuric acid in step 3
Ammonium contains N≤21%.
8. a kind of preparation method of the special Eco-fertilizer of beach as claimed in claim 4, it is characterised in that:Sulfuric acid in step 3
Ammonium contains N≤21%.
9. a kind of preparation method of the special Eco-fertilizer of beach as claimed in claim 5, it is characterised in that:Sulfuric acid in step 3
Ammonium contains N≤21%.
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CN109627106A (en) * | 2019-02-18 | 2019-04-16 | 黑龙江金合康肥业有限公司 | A kind of high-activity humic acid ecology compound fertilizer |
CN109796274A (en) * | 2019-02-20 | 2019-05-24 | 福建三炬生物科技股份有限公司 | A kind of bio-feritlizer and its preparation method and application |
CN110483178A (en) * | 2019-09-12 | 2019-11-22 | 湖北田头生物科技有限公司 | A kind of production method of the yeast black liquor organic fertilizer containing ostreae testa pulverata |
CN112830845A (en) * | 2021-03-08 | 2021-05-25 | 江西瑞博特生物科技有限公司 | Multi-nutrient element composite microbial fertilizer synergist and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1279225A (en) * | 1999-06-30 | 2001-01-10 | 中国科学院沈阳应用生态研究所 | Process for preparing long-acting multi-element biological organic compound fertilizer |
CN101781134A (en) * | 2009-01-15 | 2010-07-21 | 张博哲 | Tower-smelt organic-inorganic compound fertilizer and preparation method thereof |
CN102757292A (en) * | 2012-05-17 | 2012-10-31 | 新疆农垦科学院农业新技术推广服务中心 | Water-soluble microbial multi-element solid fertilizer |
CN103319239A (en) * | 2013-06-19 | 2013-09-25 | 上海泓宝绿色水产科技发展有限公司 | Preparation method of active water retaining composite ecologic bacterial fertilizer |
-
2015
- 2015-01-28 CN CN201510041200.6A patent/CN104628470B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1279225A (en) * | 1999-06-30 | 2001-01-10 | 中国科学院沈阳应用生态研究所 | Process for preparing long-acting multi-element biological organic compound fertilizer |
CN101781134A (en) * | 2009-01-15 | 2010-07-21 | 张博哲 | Tower-smelt organic-inorganic compound fertilizer and preparation method thereof |
CN102757292A (en) * | 2012-05-17 | 2012-10-31 | 新疆农垦科学院农业新技术推广服务中心 | Water-soluble microbial multi-element solid fertilizer |
CN103319239A (en) * | 2013-06-19 | 2013-09-25 | 上海泓宝绿色水产科技发展有限公司 | Preparation method of active water retaining composite ecologic bacterial fertilizer |
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