CN103819280B - A kind of high concentration liquid calcareous fertilisers and preparation method thereof - Google Patents
A kind of high concentration liquid calcareous fertilisers and preparation method thereof Download PDFInfo
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- CN103819280B CN103819280B CN201410105433.3A CN201410105433A CN103819280B CN 103819280 B CN103819280 B CN 103819280B CN 201410105433 A CN201410105433 A CN 201410105433A CN 103819280 B CN103819280 B CN 103819280B
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Abstract
The invention discloses a kind of high concentration liquid calcareous fertilisers and preparation method thereof, described high concentration liquid calcareous fertilisers comprise following component by weight percentage: nitrocalcite 54.2% ~ 66.7%, in natural sugar alcohol liquid, glycerol and ethylene glycol one or more 3.0% ~ 9.0%, water 30.3% ~ 36.8%.Described preparation method comprises the steps:, a) under normal temperature, condition of normal pressure, to join in container by the calcium carbonate powders of predetermined amount, then add mass concentration be 25% dilute nitric acid solution carry out neutralization reaction, generate ca nitrate soln; B) add in the ca nitrate soln of described generation in the natural sugar alcohol liquid of predetermined amount, glycerol and ethylene glycol any one or multiple, obtained high concentration liquid calcareous fertilisers after reaction.The present invention is prepared with more cheap oxide spinel calcium, has saved production cost, and safe operation process.The liquid calcium fertilizer calcium contents produced is high, can extension rate high, use cost is low; And 100% is water-soluble, stable performance, also have and absorb soon, effective advantage, can extensively be applied to various crop.
Description
Technical field
The present invention relates to a kind of moderate-element liquid fertilizer and preparation method thereof, particularly relate to a kind of high concentration liquid calcareous fertilisers and preparation method thereof.
Background technology
In the process of growth of plant, need a large amount of nutritive ingredients, both comprised macroelement, also need middle and trace element simultaneously.Calcium belongs to moderate-element, in the whole process of growth of plant, serve very important effect.Calcium is one of main component forming plant cell wall and cytolemma.In addition, calcium also has and promotes plant cell growth and secretion process in plant nutrition physiology, as the critical function such as activator of many enzymes.Calcium also affects growing and quality of plant from many aspects, and under-supply meeting causes multiple physiological disturbance, as bitter pit, the water core of apple, and the black heart of pear, the leaf scorch, xylocarp etc. of strawberry.Existing liquid calcium product calcium contents is lower, and its preparation process needs certain pressure, and whole preparation process required time is longer, and production cost is higher.Therefore, be necessary the preparation method providing a kind of liquid calcium fertilizer, production cost is low, safety simple to operate, and the liquid calcium fertilizer calcium contents produced is high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of high concentration liquid calcareous fertilisers and preparation method thereof, and preparation time is short, cost is low, the high and stable performance of the liquid calcium fertilizer calcium contents produced.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of high concentration liquid calcareous fertilisers, wherein, comprises following component by weight percentage:
Nitrocalcite 54.2% ~ 66.7%
In natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple 3.0% ~ 9.0%
Water 30.3% ~ 36.8%.
Above-mentioned high concentration liquid calcareous fertilisers, wherein, described natural sugar alcohol liquid be in natural D-sorbitol solution, native xylitol liquid and natural mannitol liquid any one or multiple.
The present invention solves the problems of the technologies described above the preparation method that another technical scheme adopted is to provide a kind of high concentration liquid calcareous fertilisers, comprise the following steps: a) under normal temperature, condition of normal pressure, the calcium carbonate powders of predetermined amount is joined in container, then add mass concentration be 25% dilute nitric acid solution carry out neutralization reaction, generate ca nitrate soln; B) add in the ca nitrate soln of described generation in natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple, reacted rear obtained high concentration liquid calcareous fertilisers.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, in described step a), the mass concentration of dilute nitric acid solution is 25%.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, when adding dilute nitric acid solution in described step a), slowly adds under whipped state.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, after dilute nitric acid solution adds in described step a), heats and keeps solution to carry out neutralization reaction at the temperature close to boiling, boil to the ca nitrate soln generated, in neutral.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, the ca nitrate soln obtained in described step a) carried out filter, evaporate, concentrated after, add under constantly stirring in the natural sugar alcohol liquid of predetermined amount, glycerol and ethylene glycol any one or multiplely to react.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, described step b) reacted after solution leave standstill, to solution temperature return room temperature, bubble is eliminated, obtained high concentration liquid calcareous fertilisers.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, add in described step b) in natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple after reaction times be about 0.5 hour.
The present invention contrasts prior art following beneficial effect: high concentration liquid calcareous fertilisers provided by the invention and preparation method thereof, be prepared with more cheap oxide spinel calcium, save production cost, the required raw material used is simple and easy to get simultaneously, whole preparation technology is simple, do not pressurize, safe operation process.In high concentration liquid calcareous fertilisers of the present invention, the weight percent of calcium is 13.0% ~ 16.0%, and reach as high as 290g/L, calcium contents is high, can extension rate high, use cost is low; And 100% is water-soluble, stable performance, even if also can keep liquid state at a lower temperature, facilitates different areas, the use of Various Seasonal users and preservation.It is fast that high concentration liquid calcareous fertilisers of the present invention also have absorption, and effective advantage, can extensively be applied to various crop, especially to calcium deficiency crop, obviously can alleviate the various diseases that each kind of plant causes because of calcium deficiency, improve crop anti-adversity, improve fruit-setting rate, oil recovery enhancement, improve crop yield.
Embodiment
High concentration liquid calcareous fertilisers provided by the invention, comprise following component by weight percentage:
Nitrocalcite 54.2% ~ 66.7%
In natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple 3.0% ~ 9.0%
Water 30.3% ~ 36.8%.
Described natural sugar alcohol liquid can be in natural D-sorbitol solution, native xylitol liquid and natural mannitol liquid any one or multiple.
Below for the high concentration liquid calcareous fertilisers producing 100 kilograms, the preparation method of high concentration liquid calcareous fertilisers is specifically described:
Embodiment 1
First, under normal temperature, condition of normal pressure, join in container by the calcium carbonate powders of 33.4 kilograms, under whipped state, slowly add the dilute nitric acid solution 166.5 kilograms that mass concentration is 25%, exothermic heat of reaction makes solution temperature rise rapidly.After treating that raw material all adds, heat and keep solution to proceed neutralization reaction at the temperature close to boiling, boil to the ca nitrate soln generated, in neutral.
Then, ca nitrate soln to 91.0 kilogram described in filtration, evaporation concentration, adds the ethylene glycol of 9 kilograms, stir about 0.5 hour under continuous whipped state.
Finally, above-mentioned solution is left standstill, treat that room temperature falls back in solution temperature, bubble is eliminated, obtained high concentration liquid calcareous fertilisers.
The liquid calcium fertilizer produced by the present embodiment is placed in low temperature 0 DEG C and observes 1 month, is still settled solution, does not separate out any crystal.In this liquid calcium fertilizer, the weight percent content of calcium is 13.0% after measured.
Embodiment 2
First, under normal temperature, condition of normal pressure, join in container by the calcium carbonate powders of 37.7 kilograms, under whipped state, slowly add the dilute nitric acid solution 187.7 kilograms that mass concentration is 25%, exothermic heat of reaction makes solution temperature rise rapidly.After treating that raw material all adds, heat and keep solution to proceed neutralization reaction at the temperature close to boiling, boil to the ca nitrate soln generated, in neutral.
Then, ca nitrate soln to 93.0 kilogram described in filtration, evaporation concentration, adds the natural D-sorbitol solution of 7 kilograms, stir about 0.5 hour under continuous whipped state.
Finally, described solution is left standstill, treat that room temperature falls back in solution temperature, bubble is eliminated, obtained high concentration liquid calcareous fertilisers.
The liquid calcium fertilizer produced by the present embodiment is placed in low temperature 2 DEG C and observes 1 month, is still settled solution, does not separate out any crystal.In this liquid calcium fertilizer, the weight percent content of calcium is 14.5% after measured.
Embodiment 3
First, under normal temperature, condition of normal pressure, join in container by the calcium carbonate powders of 41.1 kilograms, under whipped state, slowly add the dilute nitric acid solution 204.9 kilograms that mass concentration is 25%, exothermic heat of reaction makes solution temperature rise rapidly.Treat that raw material all adds complete, heat and keep solution to proceed neutralization reaction at the temperature close to boiling, boil to the ca nitrate soln generated, in neutral.
Then, ca nitrate soln to 97.0 kilogram described in filtration, evaporation concentration, adds the natural mannitol liquid of 3 kilograms, stir about 0.5 hour under continuous whipped state.
Finally, described liquid is left standstill, treat that room temperature falls back in solution temperature, bubble is eliminated, obtained high concentration liquid calcareous fertilisers.
The liquid calcium fertilizer produced by the present embodiment is observed 1 month in low temperature 4 DEG C, is still settled solution, does not separate out any crystal.In this liquid calcium fertilizer, the weight percent content of calcium is 16.0% after measured.
Actual application effect shows, under the same conditions, the fruits and vegetables series products not using calcic fertilizer is easy to get various physiological disturbance, and use the fruit and vegetable food of high concentration liquid calcareous fertilisers prepared by the embodiment of the present invention 1,2,3, quality better, bright in color immaculate, the sickness rate of dehiscent fruit, contracting fruit, malformed fruit also reduces greatly, illustrate that high concentration liquid calcareous fertilisers of the present invention can supplement the calcium constituent needed for crop fast and effectively, alleviate the physiological disturbance that calcium deficiency causes.And the present invention is prepared with more cheap oxide spinel calcium, saves production cost, the required raw material used is simple and easy to get simultaneously, and whole preparation technology is simple, does not pressurize, safe operation process.In high concentration liquid calcareous fertilisers of the present invention, the weight percent of calcium is 13.0% ~ 16.0%, and reach as high as 290g/L, calcium contents is high, can extension rate high, use cost is low; And 100% is water-soluble, stable performance, even if also can keep liquid state at a lower temperature, facilitates different areas, the use of Various Seasonal users and preservation.It is fast that high concentration liquid calcareous fertilisers of the present invention also have absorption, and effective advantage, can extensively be applied to various crop, especially to calcium deficiency crop, obviously can alleviate the various diseases that each kind of plant causes because of calcium deficiency, improve crop anti-adversity, improve fruit-setting rate, oil recovery enhancement, improve crop yield.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (8)
1. a preparation method for high concentration liquid calcareous fertilisers, is characterized in that, described high concentration liquid calcareous fertilisers comprise following component by weight percentage: nitrocalcite 54.2% ~ 66.7%; In natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple 3.0% ~ 9.0%; Water 30.3% ~ 36.8%; Described preparation method comprises the following steps:
A), under normal temperature, condition of normal pressure, the calcium carbonate powders of predetermined amount is joined in container, then add mass concentration be 25% dilute nitric acid solution carry out neutralization reaction, generate ca nitrate soln;
B) add in the ca nitrate soln of described generation in the natural sugar alcohol liquid of predetermined amount, glycerol and ethylene glycol any one or multiple, obtained high concentration liquid calcareous fertilisers after reaction.
2. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 1, is characterized in that, described step a) in when adding dilute nitric acid solution, slowly add under whipped state.
3. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 1 or 2, it is characterized in that, described step a) in after dilute nitric acid solution adds, heat and keep solution to carry out neutralization reaction at the temperature close to boiling, boil, in neutral to the ca nitrate soln generated.
4. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 3, it is characterized in that, by described step a) in the ca nitrate soln that obtains carry out filtering, evaporate, concentrated after, add under constantly stirring in the natural sugar alcohol liquid of predetermined amount, glycerol and ethylene glycol any one or multiplely to react.
5. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 1, is characterized in that, described step b) react after solution leave standstill, to solution temperature return room temperature, bubble is eliminated, and obtains high concentration liquid calcareous fertilisers.
6. the preparation method of the high concentration liquid calcareous fertilisers as described in claim 1 or 5, is characterized in that, described step b) in add in natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple after reaction times be about 0.5 hour.
7. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 1, is characterized in that, described natural sugar alcohol liquid be in natural D-sorbitol solution, native xylitol liquid and natural mannitol liquid any one or multiple.
8. high concentration liquid calcareous fertilisers, is characterized in that, are produced by the preparation method described in any one of claim 1-7.
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| CN104628486A (en) * | 2015-02-13 | 2015-05-20 | 冉令波 | Preparation method for liquid organic calcium fertilizer |
| CN106007936A (en) * | 2016-05-18 | 2016-10-12 | 兴邦（武汉）生物科技有限公司 | Preparation method and application of leaf fertilizer composition |
| CN107556131A (en) * | 2017-08-30 | 2018-01-09 | 北京吉宏峰五和农业科技有限公司 | A kind of water-soluble silicon calcium and magnesium liquid soil conditioner and preparation method thereof |
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| CN101050146A (en) * | 2007-02-02 | 2007-10-10 | 山东农业大学 | Calcium fertilizer for fruit trees |
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Address after: 200333 room 306, 3 building, 879 Zhongjiang Road, Putuo District, Shanghai. Patentee after: Shanghai Yongtong ecological engineering Limited by Share Ltd Address before: 200333 room 306, 3 building, 879 Zhongjiang Road, Putuo District, Shanghai. Patentee before: Shanghai Yongtong Chemical Co., Ltd. |