CN106699394A - Hardening-preventing and growth-promoting slow release type compound fertilizer and preparation method thereof - Google Patents
Hardening-preventing and growth-promoting slow release type compound fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN106699394A CN106699394A CN201611269411.6A CN201611269411A CN106699394A CN 106699394 A CN106699394 A CN 106699394A CN 201611269411 A CN201611269411 A CN 201611269411A CN 106699394 A CN106699394 A CN 106699394A
- Authority
- CN
- China
- Prior art keywords
- parts
- fertilizer
- compound fertilizer
- type compound
- preparation
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- C05G3/20—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for preventing the fertilisers being reduced to powder; Anti-dusting additives
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a hardening-preventing and growth-promoting slow release type compound fertilizer and a preparation method thereof. The hardening-preventing and growth-promoting slow release type compound fertilizer has the beneficial effects that firstly, inert mixed powder is prepared through oyster shell calcined powder compounded Fumeifen (a kind of water-soluble carrier) and anhydrous magnesium sulfate, and a hardening-preventing effect can be remarkably improved; meanwhile, microelements including calcium, magnesium, iron and the like can provide nutrients for growth of plants; secondly, a liquid product formed by compounding the inert mixed powder and a liquid-state organic compound is sprayed on surfaces of fertilizer grains through spraying equipment; a production process is simple and easy to operate; and meanwhile, the hardening-preventing and growth-promoting slow release type compound fertilizer is efficient and environmentally friendly, and dust pollution is avoided. A test proves that a predicated hardening-preventing effect is realized and the hardening-preventing and growth-promoting slow release type compound fertilizer has a relatively good popularization value in the production of the fertilizer.
Description
Technical field
The invention belongs to or various fertilizer and the mixture field without special fertilizer efficiency component, specifically anti-compaction growth promotion delays
Release compound fertilizer and preparation method thereof.
Background technology
Slow-release compound fertilizer nutrient content is high, accessory ingredient is few, both can improve utilization rate of fertilizer with balance fertilizing, again can be with
It is made for that thing is lasting to be absorbed, the stable high yield to promoting crop has highly important effect, has become current chemical fertilizer
The Main way of development.In fertilizer production the enterprise especially daily production of granular complex fertilizer manufacturing enterprise and storage process
In, it is particularly nitrogenous because the hardened phenomenon of fertilizer is very universal caused by interaction between chemical fertilizer granule crystal combination key
The amount hardened phenomenon of chemical fertilizer high is especially serious.The hardened inconvenience for causing to carry and use of fertilizer, causes sales difficulty and stock
Overstock.
Data show, the substandard product caused by fertilizer is hardened has millions of tons every year.Particle compound is reduced at present
The hardened measure of fertilizer in addition to temperature, humidity are controlled in transporting procedures, the approach such as storage pressure are grasped, main method be
Anticaking agent is used during generation, it is the coated media that can be attached on particle surface.Powdered anti-caking agent is mostly inactive
Thing inert powder, such as diatomite, clay, talcum, also have using oyster shell whiting for raw material is obtained（Such as Authorization Notice No.：
It is CN103553776B, entitled《Granular fertilizer anticaking agent and preparation method thereof》Chinese invention patent）.Liquid person lives for non-surface
The organic compound of property, for example, be sprayed on oil product, paraffin, resin of particle surface etc., or special surfactant（Example
Such as Authorization Notice No.：It is CN101654387B, entitled《Liquid anti-caking agent for compound fertilizer》Chinese invention patent）.
Above method by checking, it is hardened to fertilizer it is equal can play certain mitigation, but long term storage（2 months
More than）There occurs universal hardened phenomenon.Therefore more permanent effective anticaking agent is found, with reference to production technology and addition manner
Improvement effectively prevent the hardened purpose of fertilizer to reach, be urgent problem of the pendulum in face of compounded fertilizer of granulated enterprise at present,
It is the problem of present invention needs solution.
The content of the invention
To solve the problems, such as prior art, the invention provides the preparation method of compounded fertilizer of granulated anticaking agent.
To achieve the above object, the technical solution adopted by the present invention is as follows：
Anti-compaction growth promotion spacetabs type compound fertilizer and preparation method thereof, slow-release compound fertilizer of the present invention includes following parts by weight
The raw material of ratio：Urea 300-350 parts, ammonium chloride 250-350 parts, dipotassium glycyrrhizinate 100-150 parts, 150-200 parts of MAP powder,
Ammonium hydrogen carbonate 30-50 parts, granulation aid 20-50 parts, granular compound fertilizer anticaking agent 5-8%, water 6-10%.
Preferably, slow-release compound fertilizer of the present invention includes the raw material of following ratio of weight and number：356 parts of urea, ammonium chloride 289
Part, 100 parts of dipotassium glycyrrhizinate, 205 parts of MAP powder, 30 parts of ammonium hydrogen carbonate, 20 parts of granulation aid, granular compound fertilizer anticaking agent
6%th, water 8%.
The preparation method of above-mentioned granular compound fertilizer anticaking agent is comprised the following steps：
1）Oyster shell is rinsed well with running water, the silt and impurity being attached on housing are brushed away with hairbrush, hammered into shape with hammer broken
It is standby；
2）Oyster shell fragment is placed in muffle furnace, 800 DEG C~900 DEG C are warming up to, 2~3h of calcining at constant temperature takes out after cooling and uses
Pulverizer is ground into powder, and crosses 100 mesh sieves, obtains final product oyster shell calcined powder；
3）By weight by 22~28 parts of oyster shell calcined powder, 12~18 parts of auxiliary U.S. powder, 10~16 parts of mixing of anhydrous magnesium sulfate
Uniformly, inertia mixed-powder is obtained final product；
4）46~58 parts of silicone oil emulsion is taken by weight, adds 12~18 parts of neopelex, lauryl sodium sulfate 3
~5 parts, 8~10 parts of triethanolamine, stir and are well mixed, and obtain final product liquid organic compound；
5）42~48 parts of above-mentioned inertia mixed-powder, 32~36 parts of mixing 30min of liquid organic compound are taken by weight
~50min, gets product granular compound fertilizer anticaking agent.
Anti-compaction growth promotion spacetabs type compound fertilizer preparation method of the invention is comprised the following steps：
1) feed intake metering：Raw material input dog-house is weighed according to ratio of weight and number；
2) granulate：Using granule wet granulation, each feedstock transportation is mixed and is granulated to rotary drum granulator；After granulation half into
Product are closed to be transmitted to drying machine drying；
3) dry：Heat is provided by hot-blast stove to heat air by granulation semi-finished product drying, drying temperature is 150-400 DEG C；
Composite fertilizer is closed after drying transmits to cooler；
4）Cooling：Composite fertilizer is cooled down twice using revolution cooler, the particle after cooling down for the first time is closed to be transmitted to sieve
Extension set；Then secondary cooling is carried out, less than 45 DEG C are particles be cooled to, the closed transmission to screening machine of composite fertilizer carries out two after cooling
Secondary screening；
5）Screening：Fertilizer after cooling is sieved through two-time vibration, and bulky grain is screened out for the first time, broken into disintegrating machine after collection
It is broken, little particle is screened out for the second time, return to granulating working procedure and granulated；To particle diameter for the particle of 2-4.5mm is packed；
6）Storage：By granular compound fertilizer anticaking agent spraying in fertiliser granulates surface, emulsion is set to dry and condense in by drying
Fertiliser granulates surface, makes anticaking agent form a protective layer, storage in fertilizer surface.
Above-mentioned anti-compaction growth promotion spacetabs type compound fertilizer, its application process is by slow-release compound fertilizer obtained above
Trench digging is imposed on below earth's surface, as base fertilizer.
The invention provides anti-compaction growth promotion spacetabs type compound fertilizer and preparation method thereof, its advantage is：One
It is that the present invention compounds auxiliary U.S. powder by oyster shell calcined powder and anhydrous magnesium sulfate prepares inertia mixed-powder, is remarkably improved anti-
Agglomeration efficiency, while the middle trace element such as contained calcium, magnesium, iron can provide nutrition for plant growth；Two is that the present invention is by lazy
Property mixed-powder and liquid organic compound compound the fluid product to be formed, sprayed in fertiliser granulates surface through sprinkling equipment, it is raw
Production. art is simple to operation, at the same efficiently, environmental protection, it is to avoid dust pollution.By verification experimental verification, expected anti-compaction has been reached
Effect, has preferable promotional value in fertilizer production.
Specific embodiment
The present invention is further detailed with reference to embodiment.
Embodiment 1
Anti-compaction growth promotion spacetabs type compound fertilizer and preparation method thereof, including following ratio of weight and number raw material：Urea 356
Part, 289 parts of ammonium chloride, 100 parts of dipotassium glycyrrhizinate, 205 parts of MAP powder, 30 parts of ammonium hydrogen carbonate, 20 parts of granulation aid, particle are multiple
Hefei anticaking agent 6%, water 8%.Preparation method is comprised the following steps:
1) feed intake metering：Raw material input dog-house is weighed according to ratio of weight and number；
2) granulate：Using granule wet granulation, each feedstock transportation is mixed and is granulated to rotary drum granulator；After granulation half into
Product are closed to be transmitted to drying machine drying；
3) dry：Heat is provided by hot-blast stove to heat air by granulation semi-finished product drying, drying temperature is 150-400 DEG C；
Composite fertilizer is closed after drying transmits to cooler；
4）Cooling：Composite fertilizer is cooled down twice using revolution cooler, the particle after cooling down for the first time is closed to be transmitted to sieve
Extension set；Then secondary cooling is carried out, less than 45 DEG C are particles be cooled to, the closed transmission to screening machine of composite fertilizer carries out two after cooling
Secondary screening；
5）Screening：Fertilizer after cooling is sieved through two-time vibration, and bulky grain is screened out for the first time, broken into disintegrating machine after collection
It is broken, little particle is screened out for the second time, return to granulating working procedure and granulated；To particle diameter for the particle of 2-4.5mm is packed；
6）Storage：By granular compound fertilizer anticaking agent spraying in fertiliser granulates surface, emulsion is set to dry and condense in by drying
Fertiliser granulates surface, makes anticaking agent form a protective layer, storage in fertilizer surface.
Embodiment 2
Anti-compaction growth promotion spacetabs type compound fertilizer and preparation method thereof, including following ratio of weight and number raw material：Urea 345
Part, 270 parts of ammonium chloride, 120 parts of dipotassium glycyrrhizinate, 205 parts of MAP powder, 30 parts of ammonium hydrogen carbonate, 20 parts of granulation aid, particle are multiple
Hefei anticaking agent 7%, water 10%.Preparation method is comprised the following steps:
1) feed intake metering：Raw material input dog-house is weighed according to ratio of weight and number；
2) granulate：Using granule wet granulation, each feedstock transportation is mixed and is granulated to rotary drum granulator；After granulation half into
Product are closed to be transmitted to drying machine drying；
3) dry：Heat is provided by hot-blast stove to heat air by granulation semi-finished product drying, drying temperature is 150-400 DEG C；
Composite fertilizer is closed after drying transmits to cooler；
4）Cooling：Composite fertilizer is cooled down twice using revolution cooler, the particle after cooling down for the first time is closed to be transmitted to sieve
Extension set；Then secondary cooling is carried out, less than 45 DEG C are particles be cooled to, the closed transmission to screening machine of composite fertilizer carries out two after cooling
Secondary screening；
5）Screening：Fertilizer after cooling is sieved through two-time vibration, and bulky grain is screened out for the first time, broken into disintegrating machine after collection
It is broken, little particle is screened out for the second time, return to granulating working procedure and granulated；To particle diameter for the particle of 2-4.5mm is packed；
6）Storage：By granular compound fertilizer anticaking agent spraying in fertiliser granulates surface, emulsion is set to dry and condense in by drying
Fertiliser granulates surface, makes anticaking agent form a protective layer, storage in fertilizer surface.
Embodiment 3
Anti-compaction growth promotion spacetabs type compound fertilizer and preparation method thereof, including following ratio of weight and number raw material：Urea 326
Part, 321 parts of ammonium chloride, 110 parts of dipotassium glycyrrhizinate, 205 parts of MAP powder, 30 parts of ammonium hydrogen carbonate, 20 parts of granulation aid, particle are multiple
Hefei anticaking agent 6%, water 9%.Preparation method is comprised the following steps:
1) feed intake metering：Raw material input dog-house is weighed according to ratio of weight and number；
2) granulate：Using granule wet granulation, each feedstock transportation is mixed and is granulated to rotary drum granulator；After granulation half into
Product are closed to be transmitted to drying machine drying；
3) dry：Heat is provided by hot-blast stove to heat air by granulation semi-finished product drying, drying temperature is 150-400 DEG C；
Composite fertilizer is closed after drying transmits to cooler；
4）Cooling：Composite fertilizer is cooled down twice using revolution cooler, the particle after cooling down for the first time is closed to be transmitted to sieve
Extension set；Then secondary cooling is carried out, less than 45 DEG C are particles be cooled to, the closed transmission to screening machine of composite fertilizer carries out two after cooling
Secondary screening；
5）Screening：Fertilizer after cooling is sieved through two-time vibration, and bulky grain is screened out for the first time, broken into disintegrating machine after collection
It is broken, little particle is screened out for the second time, return to granulating working procedure and granulated；To particle diameter for the particle of 2-4.5mm is packed；
6）Storage：By granular compound fertilizer anticaking agent spraying in fertiliser granulates surface, emulsion is set to dry and condense in by drying
Fertiliser granulates surface, makes anticaking agent form a protective layer, storage in fertilizer surface.
Embodiment 4
Anti-compaction growth promotion spacetabs type compound fertilizer and preparation method thereof, including following ratio of weight and number raw material：Urea 324
Part, 298 parts of ammonium chloride, 130 parts of dipotassium glycyrrhizinate, 235 parts of MAP powder, 30 parts of ammonium hydrogen carbonate, 20 parts of granulation aid, without
Grain compound fertilizer anticaking agent, 200 parts of water.Dipotassium glycyrrhizinate and MAP powder, ammonium hydrogen carbonate have the effect of anti-compaction after combining,
Therefore the effect of same anti-compaction can also be reached without anti hardening agent.Preparation method is comprised the following steps：
1) feed intake metering：Raw material input dog-house is weighed according to ratio of weight and number；
2) granulate：Using granule wet granulation, each feedstock transportation is mixed and is granulated to rotary drum granulator；After granulation half into
Product are closed to be transmitted to drying machine drying；
3) dry：Heat is provided by hot-blast stove to heat air by granulation semi-finished product drying, drying temperature is 150-400 DEG C；
Composite fertilizer is closed after drying transmits to cooler；
4）Cooling：Composite fertilizer is cooled down twice using revolution cooler, the particle after cooling down for the first time is closed to be transmitted to sieve
Extension set；Then secondary cooling is carried out, less than 45 DEG C are particles be cooled to, the closed transmission to screening machine of composite fertilizer carries out two after cooling
Secondary screening；
5）Screening：Fertilizer after cooling is sieved through two-time vibration, and bulky grain is screened out for the first time, broken into disintegrating machine after collection
It is broken, little particle is screened out for the second time, return to granulating working procedure and granulated；To particle diameter for the particle of 2-4.5mm is packed；
6）Storage：By granular compound fertilizer anticaking agent spraying in fertiliser granulates surface, emulsion is set to dry and condense in by drying
Fertiliser granulates surface, makes anticaking agent form a protective layer, storage in fertilizer surface.
Described above not limitation of the present invention, the present invention is also not limited to the example above.The art it is common
In essential scope of the invention, change, remodeling, addition or the replacement made should also belong to protection of the invention to technical staff
Scope.
Claims (7)
1. anti-compaction growth promotion spacetabs type compound fertilizer, it is characterised in that slow-release compound fertilizer of the present invention includes following weight portion
The raw material of number ratio：Urea 300-350 parts, ammonium chloride 250-350 parts, dipotassium glycyrrhizinate 100-150 parts, MAP powder 150-200
Part, ammonium hydrogen carbonate 30-50 parts, granulation aid 20-50 parts, water 6-10%.
2. according to the granular compound fertilizer anticaking agent described in claims 1, it is characterised in that preparation method includes following step
Suddenly：
1）Oyster shell is rinsed well with running water, the silt and impurity being attached on housing are brushed away with hairbrush, hammered into shape with hammer broken
It is standby；
2）Oyster shell fragment is placed in muffle furnace, 800 DEG C~900 DEG C are warming up to, 2~3h of calcining at constant temperature takes out after cooling and uses
Pulverizer is ground into powder, and crosses 100 mesh sieves, obtains final product oyster shell calcined powder；
3）By weight by 22~28 parts of oyster shell calcined powder, 12~18 parts of auxiliary U.S. powder, 10~16 parts of mixing of anhydrous magnesium sulfate
Uniformly, inertia mixed-powder is obtained final product；
4）46~58 parts of silicone oil emulsion is taken by weight, adds 12~18 parts of neopelex, lauryl sodium sulfate 3
~5 parts, 8~10 parts of triethanolamine, stir and are well mixed, and obtain final product liquid organic compound；
5）42~48 parts of above-mentioned inertia mixed-powder, 32~36 parts of mixing 30min of liquid organic compound are taken by weight
~50min, gets product granular compound fertilizer anticaking agent.
3. according to the granular compound fertilizer anticaking agent described in claims 2, it is characterised in that state silicone oil for dimethicone.
4. according to anti-compaction growth promotion spacetabs type compound fertilizer described in claims 1 and preparation method thereof, it is characterised in that
Preparation method is comprised the following steps:
1) feed intake metering：Raw material input dog-house is weighed according to ratio of weight and number；
2) granulate：Using granule wet granulation, each feedstock transportation is mixed and is granulated to rotary drum granulator；After granulation half into
Product are closed to be transmitted to drying machine drying；
3) dry：Heat is provided by hot-blast stove to heat air by granulation semi-finished product drying, drying temperature is 150-400 DEG C；
Composite fertilizer is closed after drying transmits to cooler；
4）Cooling：Composite fertilizer is cooled down twice using revolution cooler, the particle after cooling down for the first time is closed to be transmitted to sieve
Extension set；Then secondary cooling is carried out, less than 45 DEG C are particles be cooled to, the closed transmission to screening machine of composite fertilizer carries out two after cooling
Secondary screening；
5）Screening：Fertilizer after cooling is sieved through two-time vibration, and bulky grain is screened out for the first time, broken into disintegrating machine after collection
It is broken, little particle is screened out for the second time, return to granulating working procedure and granulated；To particle diameter for the particle of 2-4.5mm is packed；
6）Storage：By granular compound fertilizer anticaking agent spraying in fertiliser granulates surface, emulsion is set to dry and condense in by drying
Fertiliser granulates surface, makes anticaking agent form a protective layer, storage in fertilizer surface.
5., according to anti-compaction growth promotion spacetabs type compound fertilizer described in claims 1-4 and preparation method thereof, its feature exists
In application process is to impose on below earth's surface slow-release compound fertilizer obtained above trench digging, as base fertilizer.
6., according to anti-compaction growth promotion spacetabs type compound fertilizer described in claims 1-7 and preparation method thereof, its feature exists
In the amount of application of the slow-release compound fertilizer is 40~50Kg/ mus.
7., according to anti-compaction growth promotion spacetabs type compound fertilizer described in claims 1-7 and preparation method thereof, its feature exists
According to claims 1-7, anti-compaction growth promotion spacetabs type compound fertilizer can be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611269411.6A CN106699394A (en) | 2016-12-31 | 2016-12-31 | Hardening-preventing and growth-promoting slow release type compound fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611269411.6A CN106699394A (en) | 2016-12-31 | 2016-12-31 | Hardening-preventing and growth-promoting slow release type compound fertilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106699394A true CN106699394A (en) | 2017-05-24 |
Family
ID=58906517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611269411.6A Withdrawn CN106699394A (en) | 2016-12-31 | 2016-12-31 | Hardening-preventing and growth-promoting slow release type compound fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106699394A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047267A1 (en) * | 2017-09-05 | 2019-03-14 | 湖北富邦科技股份有限公司 | Method for blocking contact of particulate superphosphate with particulate urea |
| CN109694283A (en) * | 2019-03-12 | 2019-04-30 | 东莞德盛肥料科技有限公司 | A kind of solid water-soluble fertilizer anti-caking block method and anti-caking solid water-soluble fertilizer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553776A (en) * | 2013-10-25 | 2014-02-05 | 青岛海大生物集团有限公司 | Granular fertilizer anti-caking agent and preparation method thereof |
| CN105777327A (en) * | 2016-02-03 | 2016-07-20 | 赵洪军 | Method for preparing particle compound fertilizer anti-blocking agent |
| CN105837309A (en) * | 2016-03-18 | 2016-08-10 | 河北百斗嘉肥料有限公司 | Slow-release compound fertilizer and preparation method thereof |
-
2016
- 2016-12-31 CN CN201611269411.6A patent/CN106699394A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553776A (en) * | 2013-10-25 | 2014-02-05 | 青岛海大生物集团有限公司 | Granular fertilizer anti-caking agent and preparation method thereof |
| CN105777327A (en) * | 2016-02-03 | 2016-07-20 | 赵洪军 | Method for preparing particle compound fertilizer anti-blocking agent |
| CN105837309A (en) * | 2016-03-18 | 2016-08-10 | 河北百斗嘉肥料有限公司 | Slow-release compound fertilizer and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047267A1 (en) * | 2017-09-05 | 2019-03-14 | 湖北富邦科技股份有限公司 | Method for blocking contact of particulate superphosphate with particulate urea |
| CN109694283A (en) * | 2019-03-12 | 2019-04-30 | 东莞德盛肥料科技有限公司 | A kind of solid water-soluble fertilizer anti-caking block method and anti-caking solid water-soluble fertilizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100586903C (en) | Slow release long-acting organic inorganic complex blending fertilizer | |
| CN102040407B (en) | Production method of amino acid complex microorganism fertilizer | |
| CN102503687B (en) | Melt granulated polypeptide stable fertilizer and preparation method thereof | |
| CN103011952A (en) | Manufacturing method of high-concentration biological compound fertilizer | |
| CN102070375A (en) | Manufacturingmethod of active humic acid controlled-release fertilizer | |
| CN103351251B (en) | Long-acting slow-releasing and controlled-releasing organic nitrogenous fertilizer and production technique thereof | |
| CN103896686B (en) | A kind of stability urea | |
| CN103172442A (en) | Functional nutrient complex granular fertilizer and preparation method thereof | |
| CN103664369B (en) | A kind of synergy loss controlling fertilizer and preparation method thereof | |
| CN104291917A (en) | Bentonite-based granular composite fertilizer anti-caking agent and preparation method thereof | |
| CN103739386B (en) | Compound manure of a kind of containing water-soluble silicon and preparation method thereof | |
| CN106699394A (en) | Hardening-preventing and growth-promoting slow release type compound fertilizer and preparation method thereof | |
| CN102898246A (en) | Glutamic acid synergia compound fertilizer and preparation method thereof | |
| CN102040406B (en) | Method for producing compound microbial fertilizer from amino acid organic granules | |
| CN102653483B (en) | Controlled-release nitrogen potash fertilizer and preparation method thereof | |
| CN110668897A (en) | Environment-friendly medium-trace element mixing agent and application | |
| CN103086803A (en) | Lumbrukinase compound fertilizer and preparation method thereof | |
| CN103980070B (en) | A kind of Synergistic type peanut Slow release special fertilizer | |
| CN104177156A (en) | Special fertilizer for wheat | |
| CN102910967A (en) | Special urea formaldehyde efficacy-improved fertilizer for garlic and preparation method of fertilizer | |
| CN105777327A (en) | Method for preparing particle compound fertilizer anti-blocking agent | |
| CN105837309A (en) | Slow-release compound fertilizer and preparation method thereof | |
| CN101684052A (en) | Thermohardening resin coated controlled-release fertilizer using sulfur a basecoat | |
| CN104725108A (en) | Formula of organic fertilizer for improving hardening of saline-alkali soil and grainy production | |
| CN106083378A (en) | A kind of fertilizers improving Soil structure and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |