CN205099592U - Water -soluble fertile anti -caking agent of macroelement prepares equipment - Google Patents
Water -soluble fertile anti -caking agent of macroelement prepares equipment Download PDFInfo
- Publication number
- CN205099592U CN205099592U CN201520890213.6U CN201520890213U CN205099592U CN 205099592 U CN205099592 U CN 205099592U CN 201520890213 U CN201520890213 U CN 201520890213U CN 205099592 U CN205099592 U CN 205099592U
- Authority
- CN
- China
- Prior art keywords
- caking agent
- soluble fertilizer
- reaction warehouse
- water soluble
- water
- 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.)
- Expired - Fee Related
Links
Landscapes
- Fertilizers (AREA)
Abstract
The utility model provides a water -soluble fertile anti -caking agent of macroelement prepares equipment includes the reaction storehouse, sodium tripolyphosphate inlet pipe, anhydrous calcium chloride powder inlet pipe, anhydrous magnesium sulfate powder inlet pipe are connected with the reaction storehouse respectively, and evacuating device communicates from reaction storehouse side and reaction storehouse, reaction storehouse inside is equipped with the gas exhalation and manages, and jet -propelled tube -surface is equipped with gas pocket, the jet -propelled high pressurized air source intercommunication of managing and reacting the storehouse outside. The utility model discloses easy and simple to handle, the industrial production of being convenient for, the quantity is few, with low costs, pollution -free to the environment, has the dual effect of preventing caking and fertilizer, and it is effectual to prevent luming, and the loose degree that can make the water -soluble fertilizer of macroelement has increased the adaptability of water -soluble fertilizer to different quality of water more than 92%.
Description
Technical field
The utility model belongs to technical field of fertilizers, is a kind of macroelement Water soluble fertilizer anti-hard caking agent and Preparation equipment, preparation method and using method specifically.
Background technology
Water soluble fertilizer (WaterSolubleFertilizer, be called for short WSF), it is a kind of multi-element compound fertilizer material that can be completely water-soluble, Water soluble fertilizer material is as a kind of class new-type fertilizer produced that to match with water saving irrigation agricultural, tridimensional high-efficient cultivation, high-yield high-grade culture technique, having the advantages that to improve utilization rate of fertilizer, energy-conserving and environment-protective, water saving, province's fertilizer, saving of labor, volume increase, is one of important directions of following fertilizer morphology development.
In recent years, along with intensive, the large-scale development of agricultural, the further scarcity of water resources; and large-scale farm continues to bring out; drip irrigation and spray irrigation water saving facility agricultural area expands rapidly, and the demand of Water soluble fertilizer strengthens gradually, and also day by day improves the requirement of Water soluble fertilizer.Chemical Mixed Fertilizer is in storage, handling and transportation or under specific ambient conditions, to lose flowability gradually and inter-adhesive and form lump, Chemical Mixed Fertilizer caking not only affects product appearance quality, and cause the very big inconvenience of use, particularly powdery or short grained water-soluble Chemical Mixed Fertilizer are the chemical fertilizer of easy crystallization, its particle diameter is little, specific surface area large, therefore has more serious caking tendency.The fertilizer of caking causes peasant to use difficulty, and have a strong impact on the quality product of manufacturing enterprise, enterprise has to use various anti-hard caking agent, to reach the object of anti-caking.
In prior art, Anti-caking Agent for Complex Fertilizer mostly uses oil soluble anti-hard caking agent, not only need consume hundreds of ton mineral oil every year, use cost is high, there is serious environmental pollution, and the limitation requirement of water-soluble fertilizer to water-insoluble can not be met, the anti-caking agent be added in conventional composite fertilizer can not be used for water-soluble fertilizer usually.How to provide a kind of Water soluble fertilizer anti-hard caking agent and preparation method thereof, use simply, convenient, cost is low, effectively reduce environmental pollution, have important ecological benefits and economic benefit, this is the utility model problems faced simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of macroelement Water soluble fertilizer anti-hard caking agent and Preparation equipment, preparation method and the using method of the molecule that a kind of consumption is few, cost is low, preventing blocking effect is good, be convenient to suitability for industrialized production.
Realize the technical solution of the utility model as follows, a kind of macroelement Water soluble fertilizer anti-hard caking agent comprises tripoly phosphate sodium STPP, anhydrous magnesium sulfate powder, anhydrous chlorides of rase calcium powder; By weight, tripoly phosphate sodium STPP 60 ~ 80 parts, 10 ~ 20 parts, anhydrous magnesium sulfate powder, anhydrous chlorides of rase calcium powder 10 ~ 20 parts.
Further, tripoly phosphate sodium STPP fineness is 100-200 order, and described anhydrous magnesium sulfate powder fineness is 100-200 order, and described Calcium Chloride Powder Anhydrous powder fineness is 100-200 order.
The Preparation equipment of macroelement Water soluble fertilizer anti-hard caking agent comprises a reaction warehouse, and tripoly phosphate sodium STPP feed-pipe, anhydrous chlorides of rase calcium powder feed-pipe, anhydrous magnesium sulfate powder feed-pipe are connected with reaction warehouse respectively, and vacuum extractor is communicated with from reaction warehouse side with reaction warehouse;
Described reaction warehouse inside is provided with gas ejector pipe, and gas ejector pipe surface is provided with pore, and gas ejector pipe is communicated with the high-pressure air source of reaction warehouse outside.
Further, reaction warehouse inwall is provided with continuous print spiral.
Further, gas ejector pipe is established on the rotating pan, and rotating disk drives gas ejector pipe at reaction warehouse internal rotating, and described gas ejector pipe is fan-shaped.
A kind of preparation method of macroelement Water soluble fertilizer anti-hard caking agent comprises the first step wet mixing, second step is dried, the 3rd step feeds in raw material wet mixing, the whole level of the 4th step is dried;
The first step wet mixing, comprise and tripoly phosphate sodium STPP is added in enclosed housing, and in enclosed housing, add the moisture of atomization, humidity in enclosed housing is less than 30 percent, tripoly phosphate sodium STPP rotates in enclosed housing and surface is combined with water, and add anhydrous chlorides of rase calcium powder, tripoly phosphate sodium STPP and anhydrous chlorides of rase calcium powder are bondd, forms elementary adhesive;
Second step is dried, and heats, make the humidity in enclosed housing be less than 10 to the elementary adhesive in enclosed housing;
3rd step is fed in raw material wet mixing, spray painting is carried out to the elementary adhesive of drying through second step in enclosed housing, the humidity in enclosed housing is made to be less than 30 percent, elementary adhesive rotates in enclosed housing and surface is combined with water, and add anhydrous magnesium sulfate powder, elementary adhesive and anhydrous magnesium sulfate powder are bondd, forms whole level adhesive;
The whole level of 4th step is dried, and dries, make the humidity in enclosed housing be less than 5 percent to whole level adhesive;
The macroelement Water soluble fertilizer anti-hard caking agent in particulate is produced through above step.
A using method for macroelement Water soluble fertilizer anti-hard caking agent, is fully mixed macroelement Water soluble fertilizer anti-hard caking agent by coating machine with solid, powdery or particulate state macroelement Water soluble fertilizer.
The utility model compared with prior art tool has the following advantages:
(1) to have addition few for anti-hard caking agent of the present utility model, and cost is low, simple to operate, the advantage that preventing blocking effect is outstanding, can make the shatter value of Water soluble fertilizer more than 92%.Water-insoluble meets macroelement Water soluble fertilizer product national standard.
(2) dispersion force of anti-hard caking agent is strong, parcel evenly, three kinds of raw materials of anti-hard caking agent all have water absorbability, after making small-particle, there is numerous pore its inside, its water-retaining capacity is strengthened greatly, effectively can suppress the surface aggregation of fertilizer moisture, intercept the formation of brilliant bridge between fertiliser granulates, prevent molecular diffusion, reduce kapillary and stick, reduce intergranular cohesive force, and tripoly phosphate sodium STPP is a kind of inorganic surfactant, the surface tension of particle surface solution can be reduced, capillary attraction power is reduced, is reached the effect of anti-caking by physical action.
(3) tripoly phosphate sodium STPP that the utility model uses has the ability of good complexation of metal ions, can with the complexing of metal ion such as calcium, magnesium, iron, generate soluble complexes, the water-soluble of Water soluble fertilizer can be increased, reduce condition of water quality to the water miscible impact of Water soluble fertilizer.
(4) anti-hard caking agent of the present utility model, except there is anti-caking effect, also containing the nutritive element needed for plant, phosphorus in tripoly phosphate sodium STPP is the macroelement needed for plant, magnesium in anhydrous magnesium sulfate pulvis, sulphur are the moderate-elements needed for plant, calcium in Calcium Chloride Powder Anhydrous pulvis is also the moderate-element needed for plant, and the sodium in tripoly phosphate sodium STPP and the chlorine in Calcium Chloride Powder Anhydrous are the trace elements needed for plant, and the utility model product has anti-caking and fertilizer double effects.
(5) raw material that the utility model uses all can be absorbed and used by plants, and does not pollute soil and environment.
(6) the utility model is a kind of low-carbon (LC), environmental protection, economy, efficiently macroelement Water soluble fertilizer anti-hard caking agent, has important ecological benefits and economic benefit.
Accompanying drawing explanation
As the Preparation equipment structural representation that Fig. 1 is macroelement Water soluble fertilizer anti-hard caking agent.
As the Preparation equipment preferred structure schematic diagram that Fig. 2 is macroelement Water soluble fertilizer anti-hard caking agent.
If Fig. 3 is reaction warehouse preferred structure schematic diagram.
If Fig. 4 is gas ejector pipe preferred structure schematic diagram.
If Fig. 5 is macroelement Water soluble fertilizer anti-hard caking agent preparation method schematic diagram.
If Fig. 6 is the preferred schematic diagram of macroelement Water soluble fertilizer anti-hard caking agent preparation method.
In accompanying drawing, reaction warehouse 1, tripoly phosphate sodium STPP feed-pipe 2, anhydrous chlorides of rase calcium powder feed-pipe 3, anhydrous magnesium sulfate powder feed-pipe 4, vacuum extractor 5, gas ejector pipe 6, rotating disk 7.
Embodiment
Specifically being implemented as follows of the utility model a kind of macroelement Water soluble fertilizer anti-hard caking agent: by the ratio of 100-200 object tripoly phosphate sodium STPP and 100-200 object anhydrous magnesium sulfate pulvis, 100-200 object Calcium Chloride Powder Anhydrous pulvis 80:10:10 ~ 60:20:20 by weight, Preparation equipment through anti-hard caking agent of the present utility model is prepared, and obtains macroelement Water soluble fertilizer anti-hard caking agent.
Below by specific examples, the utility model is further elaborated, should be noted that following explanation is only to explain the utility model, its content not being limited.
Embodiment 1
The weight ratio of each component of macroelement Water soluble fertilizer anti-hard caking agent is: tripoly phosphate sodium STPP 60 parts, 20 parts, anhydrous magnesium sulfate pulvis, 20 parts, Calcium Chloride Powder Anhydrous pulvis, by 100 object tripoly phosphate sodium STPPs and 100 object anhydrous magnesium sulfate pulvis, 100 object Calcium Chloride Powder Anhydrous pulvis according to the above ratio, Preparation equipment through anti-hard caking agent of the present utility model is prepared, and obtains macroelement Water soluble fertilizer anti-hard caking agent.
Embodiment 2
The weight percent of each component of macroelement Water soluble fertilizer anti-hard caking agent is: tripoly phosphate sodium STPP 70 parts, 15 parts, anhydrous magnesium sulfate pulvis, 15 parts, Calcium Chloride Powder Anhydrous pulvis, by 150 object tripoly phosphate sodium STPPs and 150 object anhydrous magnesium sulfate pulvis, 150 object Calcium Chloride Powder Anhydrous pulvis according to the above ratio, Preparation equipment through anti-hard caking agent of the present utility model is prepared, and obtains macroelement Water soluble fertilizer anti-hard caking agent.
Embodiment 3
The weight percent of each component of macroelement Water soluble fertilizer anti-hard caking agent is: tripoly phosphate sodium STPP 80 parts, 10 parts, anhydrous magnesium sulfate pulvis, 10 parts, Calcium Chloride Powder Anhydrous pulvis, by 200 object tripoly phosphate sodium STPPs and 200 object anhydrous magnesium sulfate pulvis, 200 object Calcium Chloride Powder Anhydrous pulvis according to the above ratio, Preparation equipment through anti-hard caking agent of the present utility model is prepared, and obtains macroelement Water soluble fertilizer anti-hard caking agent.
The utility model using method be by coating machine by anti-hard caking agent Homogeneous phase mixing between fertiliser granulates, easy to use.
The utility model use range: powdery macroelement Water soluble fertilizer, granular macroelement Water soluble fertilizer, organic-inorganic Water soluble fertilizer, all has good result of use to the high nitrogen Water soluble fertilizer of very easily luming or high-nitrogen organic and inorganic Water soluble fertilizer.
The concrete using method of the utility model:
After macroelement Water soluble fertilizer or the screening of organic-inorganic Water soluble fertilizer, coating machine Homogeneous phase mixing is utilized to use; Usage quantity 5 ~ 10 kg/ton Water soluble fertilizer.
The utility model agglomeration preventing performance test 1:
(1) experimental raw:
Macroelement Water soluble fertilizer 1:20-15-15+TE (chloro), wherein N content 20 parts, P
2o
5content 15 parts, K
2o content 15 parts, TE represents trace element, this proportioning medium trace element Zn0.3 part, B0.2 part.(above-mentioned be mass percentage)
Macroelement Water soluble fertilizer 2:15-15-20 (chloro), organic content 5 parts, wherein N content 15 parts, P
2o
5content 15 parts, K
2o content 20 parts.
Anti-hard caking agent, commercially available anti-hard caking agent A (composition is raw materials used without the utility model), commercially available anti-hard caking agent B (oily) prepared by the utility model embodiment 1.
Amount of preparation: 2500kg
(2) experimental technique:
Process 1: add the utility model anti-hard caking agent 12.5kg
Process 2: add 12.5kg anti-hard caking agent A
Process 3: add 12.5kg anti-hard caking agent B
Process 4: do not add anti-hard caking agent product
4 buttress are stacked separately respectively by the Water soluble fertilizer of 4 kinds of anti-hard caking agent process, totally 32 buttress height of embankments 25 bags, 25 kilograms every bag, outdoor lid canvas, by 30d, 45d, 60d, the 90d time, to from top to bottom the several 16th, 18, 20 bags, carry out preventing blocking effect test respectively, the mean value at every turn getting 3 bags is a test data, packed Water soluble fertilizer is raised to 1 meter high, freely fall on same hard ground, positive and negatively fall twice, sieve with the standard sieve of 2.8mm after unpacking, each screening intensity and frequency are consistent, screen overflow is caking product, anti-caking rate=(gross weight one screen overflow weight)/gross weight × 100%, screen overflow is fewer, anti-caking rate is higher, show that preventing blocking effect is better.
(3) experimental result:
The effect test result (anti-caking rate) of anti-hard caking agent prepared by table 1 embodiment 1
The utility model agglomeration preventing performance test 2-3:
Test method is with agglomeration preventing performance test 1, respectively the preventing blocking effect of anti-hard caking agent prepared by embodiment 2-3 is tested, result shows, the caking rate adding anti-hard caking agent product prepared by embodiment 2-3 is more than 92%, shows the utility model anti-hard caking agent Be very effective.
Water insoluble substance determination is tested:
To the macroelement water-soluble fertilizer water insoluble substance determination adding the utility model anti-hard caking agent, water insoluble substance determination method is carried out according to the measuring method of water insoluble matter content in NY/T1973 " mensuration of water-soluble fertilizer water insoluble matter content and pH ".Measurement result is as following table:
Table 2 adds embodiment 1-3 macroelement fertilizer water insoluble substance determination result.
As can be seen from Table 2, be added with the macroelement water-soluble fertilizer of the utility model anti-hard caking agent, its water insoluble matter content, all below 0.5%, meets the requirement of chemical industry newest standards, therefore, the anti-hard caking agent that prepared by the utility model is applicable to be added in macroelement water-soluble fertilizer.
As shown in Figure 1, a kind of Preparation equipment of macroelement Water soluble fertilizer anti-hard caking agent comprises reaction warehouse 1, tripoly phosphate sodium STPP feed-pipe 2, anhydrous chlorides of rase calcium powder feed-pipe 3, anhydrous magnesium sulfate powder feed-pipe 4 are connected with reaction warehouse 1 respectively, and vacuum extractor 5 is communicated with from reaction warehouse 1 side with reaction warehouse 1;
Reaction warehouse 1 inside is provided with gas ejector pipe 6, and gas ejector pipe 6 surface is provided with pore, and gas ejector pipe 6 is communicated with the high-pressure air source of reaction warehouse 1 outside.
As shown in Figure 2, gas ejector pipe 6 is located on rotating disk 7, and rotating disk 7 drives gas ejector pipe 6 at reaction warehouse 1 internal rotating, and as shown in Figure 4, preferably, gas ejector pipe 6, also can be S-shaped in fan-shaped, amount of finish little time, S shape can be selected.
Preferably, as Fig. 3 reaction warehouse 1 inwall is provided with continuous print spiral.
As in Fig. 5, a kind of preparation method of macroelement Water soluble fertilizer anti-hard caking agent comprises the first step wet mixing, second step is dried, the 3rd step feeds in raw material wet mixing, the whole level of the 4th step is dried;
The first step wet mixing, comprise and tripoly phosphate sodium STPP is added in enclosed housing (reaction warehouse 1), and in enclosed housing, add the moisture of atomization, humidity in enclosed housing is less than 30 percent, tripoly phosphate sodium STPP rotates in enclosed housing and surface is combined with water, and add anhydrous chlorides of rase calcium powder, tripoly phosphate sodium STPP and anhydrous chlorides of rase calcium powder are bondd, forms elementary adhesive;
Second step is dried, and heats, make the humidity in enclosed housing be less than 10 to the elementary adhesive in enclosed housing;
3rd step is fed in raw material wet mixing, spray painting is carried out to the elementary adhesive of drying through second step in enclosed housing, the humidity in enclosed housing is made to be less than 30 percent, elementary adhesive rotates in enclosed housing and surface is combined with water, and add anhydrous magnesium sulfate powder, elementary adhesive and anhydrous magnesium sulfate powder are bondd, forms whole level adhesive;
The whole level of 4th step is dried, and dries, make the humidity in enclosed housing be less than 5 percent to whole level adhesive;
The macroelement Water soluble fertilizer anti-hard caking agent in molecule is produced through above step.
As in Fig. 6, a kind of preparation of macroelement Water soluble fertilizer anti-hard caking agent also comprises vacuum step, before the first step wet mixing, between the first step wet mixing and second step are dried, second step is dried and the 3rd step is fed in raw material between wet mixing, 3rd step is fed in raw material between the whole level of wet mixing and the 4th step dries, all by vacuumizing, to improve the efficiency of preparation.
Macroelement Water soluble fertilizer anti-hard caking agent is made molecule, tripoly phosphate sodium STPP, anhydrous magnesium sulfate powder, anhydrous chlorides of rase calcium powder can be made to be blended in a finely ground particles by a certain percentage uniformly, pass through preparation process, granule interior is made to be full of numerous capillary micropore, add water regain by wicking action, in use, molecule Homogeneous phase mixing is in Water soluble fertilizer, form the suction point of Relatively centralized one by one, thus realize anti-caking.
Claims (4)
1. the Preparation equipment of a macroelement Water soluble fertilizer anti-hard caking agent, it is characterized in that: described equipment comprises reaction warehouse, tripoly phosphate sodium STPP feed-pipe, anhydrous chlorides of rase calcium powder feed-pipe, anhydrous magnesium sulfate powder feed-pipe are connected with reaction warehouse respectively, and vacuum extractor is communicated with from reaction warehouse side with reaction warehouse;
Described reaction warehouse inside is provided with gas ejector pipe, and gas ejector pipe surface is provided with pore, and gas ejector pipe is communicated with the high-pressure air source of reaction warehouse outside.
2. the Preparation equipment of a kind of macroelement Water soluble fertilizer anti-hard caking agent according to claim 1, is characterized in that: described reaction warehouse inwall is provided with continuous print spiral.
3. the Preparation equipment of a kind of macroelement Water soluble fertilizer anti-hard caking agent according to claim 1, is characterized in that: described gas ejector pipe is established on the rotating pan, and rotating disk drives gas ejector pipe at reaction warehouse internal rotating, and described gas ejector pipe is fan-shaped.
4. the Preparation equipment of a kind of macroelement Water soluble fertilizer anti-hard caking agent according to claim 1, is characterized in that: described reaction warehouse inside is provided with mist spray pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520890213.6U CN205099592U (en) | 2015-11-10 | 2015-11-10 | Water -soluble fertile anti -caking agent of macroelement prepares equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520890213.6U CN205099592U (en) | 2015-11-10 | 2015-11-10 | Water -soluble fertile anti -caking agent of macroelement prepares equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205099592U true CN205099592U (en) | 2016-03-23 |
Family
ID=55515383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520890213.6U Expired - Fee Related CN205099592U (en) | 2015-11-10 | 2015-11-10 | Water -soluble fertile anti -caking agent of macroelement prepares equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205099592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698359A (en) * | 2017-11-21 | 2018-02-16 | 常州亚环环保科技有限公司 | A kind of water soluble composite fertilizer anticaking agent and preparation method thereof |
| CN109053229A (en) * | 2018-08-29 | 2018-12-21 | 交城县金兰化工有限公司 | A kind of preparation method of anti-caking water soluble fertilizer |
-
2015
- 2015-11-10 CN CN201520890213.6U patent/CN205099592U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698359A (en) * | 2017-11-21 | 2018-02-16 | 常州亚环环保科技有限公司 | A kind of water soluble composite fertilizer anticaking agent and preparation method thereof |
| CN109053229A (en) * | 2018-08-29 | 2018-12-21 | 交城县金兰化工有限公司 | A kind of preparation method of anti-caking water soluble fertilizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101429072B (en) | Humic acid composite slow release fertilizer and producing method thereof | |
| CN103756685B (en) | A kind of granular saline alkali soil conditioner and production method thereof | |
| CN102040407B (en) | Production method of amino acid complex microorganism fertilizer | |
| CN105254435B (en) | A kind of a great number of elements Water soluble fertilizer anticaking agent and its Preparation equipment, method and application method | |
| CN102718601B (en) | Large circular potassium chloride granule granulating auxiliary agent and preparation method | |
| CN103193555A (en) | Non-metallic mineral long-acting nitrogenous fertilizer nitrification inhibitor and preparation method thereof | |
| CN102153408A (en) | Antiblocking agent for macroelement water-dissolvable fertilizer, as well as preparation and application of the antiblocking agent | |
| CN105481557B (en) | A kind of preparation method of alginic acid seal hole-shaped sustained release Eco-fertilizer | |
| CN103304311B (en) | Zeolite controlled-release fertilizer and manufacturing method for same | |
| CN106242817A (en) | Fertilizer additive | |
| CN101993289B (en) | Moisture-holding nutritive soil and preparation method thereof | |
| CN1803734A (en) | Production method of dedicated substrate sustained release fertilizer for wheat by weathered coal | |
| CN110092697A (en) | A kind of preparation method of the acidic soil conditioner containing fulvo acid | |
| CN105237295A (en) | Special humic acid chelated slow-release fertilizer for wheat and preparation method thereof | |
| CN103058752B (en) | Preparation method for special slow-release long-acting compound fertilizer for paddy rice | |
| CN205099592U (en) | Water -soluble fertile anti -caking agent of macroelement prepares equipment | |
| CN106748517B (en) | Function-enhanced granular composite soil conditioner | |
| CN103058755B (en) | Slow release compound fertilizer applicable to plantation of cotton | |
| CN103214303A (en) | Production method of large particle humic acid-potassium chloride fertilizer | |
| FI127608B (en) | Fertilizer, method for its manufacture and use of the fertilizer | |
| CN110028351A (en) | A kind of water-holding slow-release carbamide fertilizer and its production method | |
| CN108675862A (en) | A kind of preparation method of formula compound fertilizer and exempt from drying production process | |
| CN103755483B (en) | A kind of Special controlled-release fertilizer for summer maize and production method thereof | |
| CN105152816A (en) | Humic acid chelating slow-release fertilizer special for soybeans and preparation method thereof | |
| CN101337847B (en) | Method for preparing high-nitrogen sulfonyl azophoska compound fertilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20191110 |