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Production method of granulated calcium ammonium nitrate

A kind of technology of calcium ammonium nitrate and production method, which is applied in the direction of nitrate fertilizer, nitrogen fertilizer, fertilizer mixture, etc., can solve the problems of high investment, insoluble ammonium nitrate and calcium, large dosage, etc., and achieve low production cost, unique method, easy The effect of the operation

Inactive Publication Date: 2013-03-06
JIAOCHENG SANXI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are disadvantages of insoluble ammonium nitrate and calcium in the fertilizer industrial production
However, the simultaneous application of two kinds of fertilizers has the problems of large amount and high investment.

Method used

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  • Production method of granulated calcium ammonium nitrate

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Embodiment Construction

[0008] Specific examples are given by the legends. The illustration shows the process flow chart of the production method of granulated calcium ammonium nitrate, which includes neutralization reaction 1, pressure filtration 2, mixing 3, pressure filtration 4, concentration 5, granulation 6, packaging 7, inspection and storage 8 .

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Abstract

The invention belongs to the field of fertilizer industry, and relates to a production method of granulated calcium ammonium nitrate. The method comprises the steps that: dilute nitric acid and calcium carbonate are subjected to a neutralization reaction; a calcium nitrate solution is subjected to pres-filtration; the calcium nitrate liquid is mixed with an ammonium nitrate liquid; press-filtration, concentration, granulation, packaging, and inspecting are carried out; and the obtained granulated calcium ammonium nitrate is stored. The method provided by the invention has the advantages of novel design, unique method, low production cost, easy operation, and high practicality. The method can be popularized.

Description

technical field [0001] The invention relates to a production method of granulated calcium ammonium nitrate, belonging to the fertilizer industry. Background technique [0002] At present, there is a disadvantage of insoluble ammonium nitrate and calcium in the fertilizer industrial production. However, the simultaneous application of two kinds of fertilizers has the problems of large consumption and high input. Contents of the invention [0003] The invention provides a method for producing granulated calcium ammonium nitrate, which can overcome the above drawbacks. [0004] The present invention is realized by adopting the following technical scheme: a production method of granulated calcium ammonium nitrate, which comprises dilute nitric acid, calcium carbonate neutralization reaction, calcium nitrate solution pressure filtration, calcium nitrate liquid, ammonium nitrate liquid mixing, pressure filtration , concentration, granulation, packaging, inspection and storage,...

Claims

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Application Information

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IPC IPC(8): C05C5/04C05G5/00
Inventor 蔺拴全
Owner JIAOCHENG SANXI CHEM CO LTD
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