CN103232284B - A kind of production method of the high tower compound fertilizer containing microorganism - Google Patents
A kind of production method of the high tower compound fertilizer containing microorganism Download PDFInfo
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- CN103232284B CN103232284B CN201310112482.5A CN201310112482A CN103232284B CN 103232284 B CN103232284 B CN 103232284B CN 201310112482 A CN201310112482 A CN 201310112482A CN 103232284 B CN103232284 B CN 103232284B
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Abstract
The invention discloses a kind of production method of the high tower compound fertilizer containing microorganism.Described production method comprises the processing steps such as Pulp preparation, high tower prilling, cooling, screening and face powder, and by adding microbial fertilizer in granulation step and/or face powder step.The characteristic of the existing chemical fertilizer of the composite fertilizer that production method of the present invention obtains, can supplement the nutritive element needed for plant growth, again containing microorganism, has effect of microbial fertilizer; Use conveniently, nutrient even results is good; And there is the characteristic of high tower compound fertilizer, have that granule strength is large, nutrient evenly, constant product quality and the advantage such as agglomeration preventing performance is good.
Description
Technical field
The present invention relates to a kind of production method of high tower compound fertilizer, be specifically related to a kind of production method of the high tower compound fertilizer containing microorganism.
Background technology
High tower prilling technique becomes fused solution after referring to solid urea or ammonium nitrate (ammonium nitrate phosphorus etc.) heating and melting, or directly uses the fused solution after evaporation concentration.Then in fused solution, add corresponding phosphate fertilizer, potash fertilizer, filler and additive make mixed slurry.Mixed slurry is sent into high tower granulator and is carried out sprinkling granulation; the granulation material entering prilling tower is sprayed by tablets press; from in high tower decline process; interact with the air resistance risen at the bottom of tower; drop to after carrying out heat exchange with it at the bottom of tower; fall into the granule materials at the bottom of tower, after screening surface treatment, obtain granular composite fertilizer.
Relative to Common compound fertilizer, high tower compound fertilizer has that granule strength is large, nutrient evenly, constant product quality and the advantage such as agglomeration preventing performance is good.Therefore, high tower compound fertilizer dominate in composite fertilizer market at present.High tower compound fertilizer major part on market, based on mineral manure, also has the high tower product adding the organic raw material such as polypeptide, humic acid on a small quantity.
Microbial fertilizer causes crop to obtain a kind of goods of specific fertilizer effect with the vital movement of microorganism, is the one using fertilizer in agriculture production.In the agricultural of current China, the usage quantity of chemical fertilizer is very large, relies on a large amount of application fertilizer to while improving crop yield, also bring a series of problems such as contaminate environment in agriculture production.For this reason China scientist making great efforts always explore improve chemical fertilizer utilization ratio reach balance fertilizing, the rational application of fertilizer to overcome the approach of its drawback.Microbial fertilizer has original effect in solution this respect problem.Find according to the study, according to crop species and edaphic condition, adopt microbial fertilizer and chemical fertilizer compounding application, volume increase can be ensured, additionally reduce fertilizer application amount, reduce costs, soil and crop quality can also be improved, decreasing pollution simultaneously.
The resistance toheat of microorganism is general all more limited, and because temperature in slurrying granulation process on tower is higher in high tower prilling technique, is unfavorable for the survival of microorganism.Therefore, microbial fertilizer not by chemical fertilizer production method particularly high tower prilling technique preparation and obtain.In prior art, microbial fertilizer is generally prepare respectively with chemical fertilizer, again will the two blending when use.But due to the particle that microbial fertilizer and chemical fertilizer are all independent, be therefore easy to the situation occurring that nutrient is uneven when in use.
Summary of the invention
The object of the present invention is to provide a kind of production method of the high tower compound fertilizer containing microorganism, by the method produce the high tower compound fertilizer containing microorganism obtained to solve in prior art microbial fertilizer and chemical fertilizer with the use of time easily there is the problem that nutrient is uneven.
For achieving the above object, the present invention adopts following technical scheme:
Containing a production method for the high tower compound fertilizer of microorganism, comprise the steps:
Step one, sends into fusion apparatus after being measured by chemical fertilizer raw material, obtains melting charge slurry;
Step 2, sends melting charge slurry into high tower granulator, and granulation obtains compound fertilizer granules;
Step 3, by compound fertilizer granules by refrigerating unit and sieve apparatus, carries out cooling and sieving respectively;
Step 4, sends the compound fertilizer granules after screening into powder applying machine and carries out anti-caking process, obtain the high tower compound fertilizer containing microorganism;
It is characterized in that, only in step 2, add microbial fertilizer, or only in step 4, add microbial fertilizer, or all add microbial fertilizer in step 2 and step 4.
In microbial fertilizer, the resistance to elevated temperatures of part microorganism is relatively good, can the temperature existence of 120 DEG C.Contriver finds, in high tower prilling technique, melting charge slurry starts temperature most after sending into granulating equipment and remains on about 110 DEG C, and after several minutes, melting charge slurry temperature just drops to less than 75 DEG C.Therefore, can microbial fertilizer be sent in high tower granulator, the temperature of melting charge slurry can also be utilized microbial fertilizer melting simultaneously, and then carry out granulation, thus obtain a kind of resistant to elevated temperatures microorganism equally distributed high tower compound fertilizer in fertiliser granulates.
And the resistance to elevated temperatures of part microorganism is poor in microbial fertilizer, microbial fertilizer is directly added high tower granulator, this part microorganism likely can not survive.Therefore, if need to keep low temperature resistant microbic activity according to user, microbial fertilizer can be sprayed at the surface of the compound fertilizer granules after screening by means of only powder applying machine, make microbial fertilizer can stick to fertiliser granulates surface, and coating evenly.Thus existing resistant to elevated temperatures microorganism in the fertilizer product finally obtained, also there is low temperature resistant microorganism.
For making fertilizer nutrient evenly, also microbial fertilizer can be divided into two portions, a part enters high tower granulator, with mix containing the melting charge slurry of chemical fertilizer raw material after carry out granulation; Another part enters powder applying machine, is sprayed at the surface of the compound fertilizer granules after screening by powder applying machine.Thus existing resistant to elevated temperatures microorganism in the fertilizer product finally obtained, also have low temperature resistant microorganism, nutrient evenly complex fertilizer product.
The present invention is utilized by the monitoring of high tower prilling being produced to each processing step temperature in fertilizer, is combined by microbial fertilizer cleverly with chemical fertilizer, obtains a kind of nutrient uniformly containing the high tower compound fertilizer of microorganism.The characteristic of the existing chemical fertilizer of this high tower compound fertilizer, can supplement the nutritive element needed for plant growth, again containing microorganism, has effect of microbial fertilizer; Use conveniently, nutrient even results is good; And there is the characteristic of high tower compound fertilizer, have that granule strength is large, nutrient evenly, constant product quality and the advantage such as agglomeration preventing performance is good.
Preferably, described microbial fertilizer total amount is 0.2 ~ 5% of raw material gross weight.Raw material mentioned here comprises chemical fertilizer raw material and microbial fertilizer.
Preferably, the fineness of described microbial fertilizer is more than 100 orders.
Preferably, the temperature that the melting charge slurry described in step 2 enters high tower granulator is 90 ~ 105 DEG C.
Preferably, described chemical fertilizer raw material comprise in nitrogenous fertilizer, phosphate fertilizer and potash fertilizer more than one.
Described nitrogenous fertilizer is the nitrogenous fertilizer raw material of this area routine, and as urea, ammonium nitrate, ammonium sulfate and ammonium chloride etc., nitrogenous fertilizer raw material can be used alone one, also can mix multiple use.
Described phosphate fertilizer is the phosphate fertilizer raw material of this area routine, and as monoammonium phosphate, diammonium phosphate, fused(calcium magnesium)phosphate, Calcium hydrogen carbonate, double superhosphate, calcium superphosphate and Si Liaodengji dicalcium phosphate feed grade etc., phosphate fertilizer raw material can be used alone one, also can mix multiple use.
Described potash fertilizer is the potash fertilizer raw material of this area routine, and as potassium sulfate, Repone K, potassium primary phosphate and saltpetre etc., potash fertilizer raw material can be used alone one, also can mix multiple use.
Preferably, described chemical fertilizer raw material also comprises auxiliary material.
Described auxiliary material is the auxiliary material of this area routine, and comprise stone flour, calcium oxide, fused(calcium magnesium)phosphate, calcium carbonate and Sodium sulfate anhydrous.min(99) etc., auxiliary material can be used alone one, also can mix multiple use.
Preferably, described microbial fertilizer joins tablets press or powder applying machine by handling equipment.
Preferably, described handling equipment is belted electronic balance or spiral conveyer.
Accompanying drawing explanation
Fig. 1 is the production technological process of the production method of a kind of high tower compound fertilizer containing microorganism of the present invention.
Embodiment
Embodiment one: containing the 15-15-15 urea-base compound fertilizer of microorganism
Preparation process:
Step one, by chemical fertilizer raw material after metering, sends into fusion apparatus, obtains melting charge slurry;
Step 2, sends melting charge slurry into high tower granulator, adds tablets press and obtains mixed slurry by the melting of melting charge slurry temperature, above-mentioned mixed slurry granulation is obtained compound fertilizer granules after microbial fertilizer metering by handling equipment;
Step 3, by compound fertilizer granules by refrigerating unit and sieve apparatus, carries out cooling and sieving respectively;
Step 4, sends into powder applying machine after compound fertilizer granules screening and carries out surperficial anti-caking process, namely obtains the described high tower compound fertilizer containing microorganism.
Microorganism raw material is composite fertilizer's microbial fertilizer special, living bacteria count >=10,000,000,000/gram, account for 0.5% of total raw material weight.
After testing, the finished product meet GB15063-2009 containing the high tower compound fertilizer indices of microorganism, living bacteria count >=0.3 hundred million/gram.
Embodiment two: containing the 18-5-6 urea-base compound fertilizer of microorganism
Preparation process:
Step one, by chemical fertilizer raw material after metering, sends into fusion apparatus, obtains melting charge slurry;
Step 2, sends melting charge slurry into high tower granulator, adds tablets press and obtains mixed slurry by the melting of melting charge slurry temperature, above-mentioned mixed slurry granulation is obtained compound fertilizer granules after microbial fertilizer metering by handling equipment;
Step 3, by compound fertilizer granules by refrigerating unit and sieve apparatus, carries out cooling and sieving respectively;
Step 4, sends into powder applying machine after compound fertilizer granules screening and carries out surperficial anti-caking process, namely obtains the described high tower compound fertilizer containing microorganism.
Microorganism raw material is composite fertilizer's microbial fertilizer special, living bacteria count >=10,000,000,000/gram, account for 0.5% of total raw material weight.
After testing, the finished product meet GB15063-2009 containing the high tower compound fertilizer indices of microorganism, living bacteria count >=0.3 hundred million/gram.
Embodiment three: containing the 13-20-15 urea-base compound fertilizer of microorganism
Preparation process:
Step one, by chemical fertilizer raw material after metering, sends into fusion apparatus, obtains melting charge slurry;
Step 2, sends melting charge slurry into high tower granulator, and granulation obtains compound fertilizer granules;
Step 3, by compound fertilizer granules by refrigerating unit and sieve apparatus, carries out cooling and sieving respectively;
Step 4, enters powder applying machine by handling equipment after microbial fertilizer metering, by powder applying machine, microbial fertilizer is sprayed at the surface of the compound fertilizer granules after screening, namely obtains the described high tower compound fertilizer containing microorganism.
Microorganism raw material is Bacterium anthracoides microbial fertilizer, living bacteria count >=10,000,000,000/gram, account for 1% of total raw material weight.
After testing, the finished product meet GB15063-2009 containing the high tower compound fertilizer indices of microorganism, living bacteria count >=0.8 hundred million/gram.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (6)
1., containing a production method for the high tower compound fertilizer of microorganism, comprise the steps:
Step one, sends into fusion apparatus after being measured by chemical fertilizer raw material, obtains melting charge slurry;
Step 2, sends melting charge slurry into high tower granulator, and granulation obtains compound fertilizer granules;
Step 3, by compound fertilizer granules by refrigerating unit and sieve apparatus, carries out cooling and sieving respectively;
Step 4, sends the compound fertilizer granules after screening into powder applying machine and carries out anti-caking process, obtain the high tower compound fertilizer containing microorganism;
It is characterized in that, only in step 2, add microbial fertilizer, or all add microbial fertilizer in step 2 and step 4;
Described microbial fertilizer total amount is 1 ~ 5% of raw material gross weight;
The fineness of described microbial fertilizer is more than 100 orders.
2. production method according to claim 1, is characterized in that, the temperature that the melting charge slurry described in step 2 enters high tower granulator is 90 ~ 105 DEG C.
3. production method according to claim 1, is characterized in that, described chemical fertilizer raw material comprise in nitrogenous fertilizer, phosphate fertilizer and potash fertilizer more than one.
4. production method according to claim 3, is characterized in that, described chemical fertilizer raw material also comprises auxiliary material.
5. production method according to claim 1, is characterized in that, described microbial fertilizer joins tablets press or powder applying machine by handling equipment.
6. production method according to claim 5, is characterized in that, described handling equipment is belted electronic balance or spiral conveyer.
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| CN103641596B (en) * | 2013-11-21 | 2015-09-09 | 青岛佰众化工技术有限公司 | A kind of Potmarigold Calendula special fertilizer |
| CN104446893A (en) * | 2014-11-08 | 2015-03-25 | 安徽欧杰利生态肥业有限公司 | High-concentration long-acting biological formula fertilizer with high biological strain and production method thereof |
| WO2023248181A1 (en) * | 2022-06-22 | 2023-12-28 | Sabic Global Technologies B.V. | Microbe-enhanced fertilizers |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054314A (en) * | 2007-04-03 | 2007-10-17 | 王怀欣 | Composite organism slow release fertilizer product and producing method |
| CN102363583A (en) * | 2011-06-27 | 2012-02-29 | 山东润银生物化工股份有限公司 | Urea containing spore bacteria and preparation method thereof |
| CN102826889A (en) * | 2012-09-21 | 2012-12-19 | 史丹利化肥股份有限公司 | Polymorphic nitro-compound fertilizer and production method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054314A (en) * | 2007-04-03 | 2007-10-17 | 王怀欣 | Composite organism slow release fertilizer product and producing method |
| CN102363583A (en) * | 2011-06-27 | 2012-02-29 | 山东润银生物化工股份有限公司 | Urea containing spore bacteria and preparation method thereof |
| CN102826889A (en) * | 2012-09-21 | 2012-12-19 | 史丹利化肥股份有限公司 | Polymorphic nitro-compound fertilizer and production method thereof |
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Application publication date: 20130807 Assignee: Beijing Long Age Amms Biotechnology Co., Ltd. Assignor: Xuzhou Batian Ecology Co., Ltd. Contract record no.: X2019440020034 Denomination of invention: Production method of microorganism-containing high tower composite fertilizer Granted publication date: 20150819 License type: Common License Record date: 20191218 |
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