CN103819280A - High-concentration liquid calcium fertilizer and preparation method thereof - Google Patents

High-concentration liquid calcium fertilizer and preparation method thereof Download PDF

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Publication number
CN103819280A
CN103819280A CN201410105433.3A CN201410105433A CN103819280A CN 103819280 A CN103819280 A CN 103819280A CN 201410105433 A CN201410105433 A CN 201410105433A CN 103819280 A CN103819280 A CN 103819280A
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preparation
high concentration
concentration liquid
calcareous fertilisers
liquid
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CN201410105433.3A
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CN103819280B (en
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石称华
钱志红
连晓敏
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Shanghai Yongtong ecological engineering Limited by Share Ltd
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SHANGHAI YONGTONG CHEMICAL Co Ltd
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Abstract

The invention discloses a high-concentration liquid calcium fertilizer and a preparation method thereof. The high-concentration liquid calcium fertilizer contains the following components in percentage by weight: 54.2%-66.7% of calcium nitrate, 3.0%-9.0% of one or more of a natural sugar alcohol solution, glycerol and ethylene glycol and 30.3%-36.8% of water. The preparation method comprises the following steps: (a) adding a preset amount of calcium carbonate powder to a container under the condition of normal temperature and normal pressure, and then adding a 25wt% dilute nitric acid solution for neutralization reaction to generate a calcium nitrate solution; (b) adding a preset amount of one or more of the natural sugar alcohol solution, the glycerol and the ethylene glycol to the generated calcium nitrate solution, and reacting to prepare the high-concentration liquid calcium fertilizer. The preparation method disclosed by the invention can be used for saving the production cost by carrying out preparation through lower-cost raw material calcium carbonate and is safe in operational process. The prepared liquid calcium fertilizer is high in calcium content, high in dilution times, low in usage cost, dissolved in water by 100% and stable in property, has the advantages of fast absorption and good effect and can be widely applied to various crops.

Description

A kind of high concentration liquid calcareous fertilisers and preparation method thereof
Technical field
The present invention relates to a kind of moderate-element liquid fertilizer and preparation method thereof, relate in particular 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 ingredient, both comprised macroelement, in also needing, trace element simultaneously.Calcium belongs to moderate-element, has played very important effect in the whole process of growth of plant.Calcium is one of main component forming in plant cell wall and cytolemma.In addition, calcium also has plant cell growth and the secretion process of promotion in plant nutrition physiology, as critical functions such as the activators of many enzymes.Calcium also affects growing and quality of plant from many aspects, and under-supply meeting causes multiple physiological disturbance, as the bitter pit of apple, water core, and the black heart of pear, leaf scorch, the xylocarp etc. of strawberry.Existing liquid calcium product calcium contents is lower, and the pressure that its preparation process need to be certain, and whole preparation process required time is longer, and production cost is higher.Therefore, be necessary to provide a kind of preparation method of liquid calcium fertilizer, production cost is low, safety simple to operate, and the liquid calcium fertilizer calcium contents of producing 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 adopting to be to provide a kind of high concentration liquid calcareous fertilisers, wherein, comprises by weight percentage following component:
Nitrocalcite 54.2%~66.7%
Any one in natural sugar alcohol liquid, glycerol and ethylene glycol 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, natural wood sugar alcohol liquid and natural mannitol liquid any one or multiple.
The present invention is the preparation method who solves the problems of the technologies described above another technical scheme adopting and be 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 adding mass concentration is that 25% dilute nitric acid solution carries out neutralization reaction, generates ca nitrate soln; B) in the ca nitrate soln of described generation, add in natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple, after having reacted, make 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, while adding dilute nitric acid solution, slowly adds in described step a) 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 that approaches boiling, and the ca nitrate soln extremely generating boils, and is neutral.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, by the ca nitrate soln obtaining in described step a) filter, evaporate, concentrated after, under constantly stirring, add any one or multiple reaction in natural sugar alcohol liquid, glycerol and the ethylene glycol of predetermined amount.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, the solution after described step b) has been reacted leaves standstill, and returns room temperature, bubble eliminate to solution temperature, makes high concentration liquid calcareous fertilisers.
The preparation method of above-mentioned high concentration liquid calcareous fertilisers, wherein, in described step b), add in natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple after reaction times be approximately 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 raw material calcium carbonate, save production cost, the raw material of required use is simultaneously simple and easy to get, 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%, reaches as high as 290g/L, and calcium contents is high, and can extension rate high, use cost be low; And 100% is water-soluble, stable performance, even if also can keep at a lower temperature liquid state, facilitates different areas, Various Seasonal users' use 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 crops, especially to calcium deficiency crop, can obviously alleviate the various diseases that each kind of plant causes because of calcium deficiency, improve crop anti-adversity, improve fruit-setting rate, improve quality, improve crop yield.
Embodiment
High concentration liquid calcareous fertilisers provided by the invention, comprise following component by weight percentage:
Nitrocalcite 54.2%~66.7%
Any one in natural sugar alcohol liquid, glycerol and ethylene glycol or multiple 3.0%~9.0%
Water 30.3%~36.8%.
Described natural sugar alcohol liquid can be in natural D-sorbitol solution, natural wood sugar alcohol liquid and natural mannitol liquid any one or multiple.
To produce the high concentration liquid calcareous fertilisers of 100 kilograms as example, the preparation method of high concentration liquid calcareous fertilisers is specifically described below:
Embodiment 1
First, under normal temperature, condition of normal pressure, the calcium carbonate powders of 33.4 kilograms is joined in container, under whipped state, slowly adding mass concentration is 166.5 kilograms of 25% dilute nitric acid solutions, and exothermic heat of reaction rises rapidly solution temperature.After treating that raw material all adds, heat and keep solution to proceed neutralization reaction at the temperature that approaches boiling, the ca nitrate soln extremely generating boils, and is neutral.
Then, filter, ca nitrate soln to 91.0 kilogram described in evaporation concentration, under continuous whipped state, add the ethylene glycol of 9 kilograms, stir about 0.5 hour.
Finally, above-mentioned solution is left standstill, treat that room temperature falls back in solution temperature, bubble is eliminated, make high concentration liquid calcareous fertilisers.
The liquid calcium fertilizer that the present embodiment is produced is placed in 0 ℃ of low temperature 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, the calcium carbonate powders of 37.7 kilograms is joined in container, under whipped state, slowly adding mass concentration is 187.7 kilograms of 25% dilute nitric acid solutions, and exothermic heat of reaction rises rapidly solution temperature.After treating that raw material all adds, heat and keep solution to proceed neutralization reaction at the temperature that approaches boiling, the ca nitrate soln extremely generating boils, and is neutral.
Then, filter, ca nitrate soln to 93.0 kilogram described in evaporation concentration, under continuous whipped state, add the natural D-sorbitol solution of 7 kilograms, stir about 0.5 hour.
Finally, described solution is left standstill, treat that room temperature falls back in solution temperature, bubble is eliminated, make high concentration liquid calcareous fertilisers.
The liquid calcium fertilizer that the present embodiment is produced is placed in 2 ℃ of low temperature 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, the calcium carbonate powders of 41.1 kilograms is joined in container, under whipped state, slowly adding mass concentration is 204.9 kilograms of 25% dilute nitric acid solutions, and exothermic heat of reaction rises rapidly solution temperature.Treat that raw material all adds complete, heat and keep solution to proceed neutralization reaction at the temperature that approaches boiling, the ca nitrate soln extremely generating boils, and is neutral.
Then, filter, ca nitrate soln to 97.0 kilogram described in evaporation concentration, under continuous whipped state, add the natural mannitol liquid of 3 kilograms, stir about 0.5 hour.
Finally, described liquid is left standstill, treat that room temperature falls back in solution temperature, bubble is eliminated, make high concentration liquid calcareous fertilisers.
The liquid calcium fertilizer that the present embodiment is produced is observed 1 month in 4 ℃ of low temperature, 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 of the not using calcic fertilizer various physiological disturbances that are easy to get, and use the fruit and vegetable food of the high concentration liquid calcareous fertilisers of the embodiment of the present invention 1,2,3 preparation, 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 required calcium constituent of crop fast and effectively, alleviate the physiological disturbance that calcium deficiency causes.And the present invention is prepared with more cheap raw material calcium carbonate, saves production cost, the raw material of required use is simultaneously simple and easy to get, and whole preparation technology is simple, do not pressurize, and safe operation process.In high concentration liquid calcareous fertilisers of the present invention, the weight percent of calcium is 13.0%~16.0%, reaches as high as 290g/L, and calcium contents is high, and can extension rate high, use cost be low; And 100% is water-soluble, stable performance, even if also can keep at a lower temperature liquid state, facilitates different areas, Various Seasonal users' use 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 crops, especially to calcium deficiency crop, can obviously alleviate the various diseases that each kind of plant causes because of calcium deficiency, improve crop anti-adversity, improve fruit-setting rate, improve quality, improve crop yield.
Although the present invention discloses as above with preferred embodiment; so it is not in order 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 modification and perfect, therefore protection scope of the present invention is worked as with being as the criterion that claims were defined.

Claims (9)

1. high concentration liquid calcareous fertilisers, is characterized in that, comprise by weight percentage following component:
Nitrocalcite 54.2%~66.7%
Any one in natural sugar alcohol liquid, glycerol and ethylene glycol or multiple 3.0%~9.0%
Water 30.3%~36.8%.
2. 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, natural wood sugar alcohol liquid and natural mannitol liquid any one or multiple.
3. a preparation method for high concentration liquid calcareous fertilisers as claimed in claim 1 or 2, is characterized in that, comprises the following steps:
A) under normal temperature, condition of normal pressure, the calcium carbonate powders of predetermined amount is joined in container, then adding mass concentration is that 25% dilute nitric acid solution carries out neutralization reaction, generates ca nitrate soln;
B) in the ca nitrate soln of described generation, add in natural sugar alcohol liquid, glycerol and the ethylene glycol of predetermined amount any one or multiple, after reaction, make high concentration liquid calcareous fertilisers.
4. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 3, is characterized in that, in described step a), the mass concentration of dilute nitric acid solution is 25%.
5. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 3, is characterized in that, while adding dilute nitric acid solution, under whipped state, slowly adds in described step a).
6. the preparation method of the high concentration liquid calcareous fertilisers as described in claim 3 or 5, it is characterized in that, after dilute nitric acid solution adds in described step a), heat and keep solution to carry out neutralization reaction at the temperature that approaches boiling, boil, be neutral to the ca nitrate soln generating.
7. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 6, it is characterized in that, by the ca nitrate soln obtaining in described step a) filter, evaporate, concentrated after, under constantly stirring, add any one or multiple reaction in natural sugar alcohol liquid, glycerol and the ethylene glycol of predetermined amount.
8. the preparation method of high concentration liquid calcareous fertilisers as claimed in claim 3, is characterized in that, the solution after described step b) has been reacted leaves standstill, and returns room temperature, bubble eliminate to solution temperature, makes high concentration liquid calcareous fertilisers.
9. the preparation method of the high concentration liquid calcareous fertilisers as described in claim 3 or 8, is characterized in that, in described step b), add in natural sugar alcohol liquid, glycerol and ethylene glycol any one or multiple after reaction times be approximately 0.5 hour.
CN201410105433.3A 2014-03-20 2014-03-20 A kind of high concentration liquid calcareous fertilisers and preparation method thereof Active CN103819280B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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Address after: 200333 room 306, 3 building, 879 Zhongjiang Road, Putuo District, Shanghai.

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