A production method for producing granule-integrated sulfur-based high-nitrogen compound fertilizer by using a drum

A technology of high-nitrogen compound fertilizer and production method, which is applied in the field of production of granule-integrated sulfur-based high-nitrogen compound fertilizer using rollers, which can solve the problems of large labor force, low nitrogen content, single nutrient, etc., and solve the shelling of finished products , low cost effect

Active Publication Date: 2016-09-28
山东聊城鲁西硝基复肥有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the sulfur-based compound fertilizer products produced by drum equipment and spraying technology in China have relatively single nutrients, and the main components are 12% nitrogen, 18% phosphorus, and 15% potassium. crop needs
With the continuous improvement of people's demand for fertilization, the market share of sulfur-based 12-18-15 compound fertilizer has been declining year by year. Disadvantages such as high investment, unsynthesized materials, large labor force, and large storage of raw materials

Method used

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  • A production method for producing granule-integrated sulfur-based high-nitrogen compound fertilizer by using a drum

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Effect test

Embodiment 1

[0014] Embodiment 1: a kind of production method that utilizes drum to produce granular one-piece sulfur-based high-nitrogen compound fertilizer, such as figure 1 As shown, take 600Kg of 12-18-15 compound fertilizer with a particle size of 1mm and heat it to 50°C to obtain compound fertilizer seeds, enter the drum, take 388Kg of urea and heat it to 120°C to melt and transport it to the urine storage tank. Add 12Kg of a mixture of zinc sulfate monohydrate and magnesium sulfate heptahydrate into the urine storage tank, mix and store, and then mix the urine-trace element mixture with 1.5m 3 The speed of / s is added to the drum, and the 12-18-15 compound fertilizer enters the drum granulator as a crystal seed, and the mixed urine atomized by the spray gun with 3 high-pressure nozzles is evenly sprayed on the compound fertilizer seed On the formed material curtain, keep the distance between the material curtain and the edge of the material curtain and the edge of atomization as 10c...

Embodiment 2

[0016] A production method for producing granule-integrated sulfur-based high-nitrogen compound fertilizer by using a drum. After heating 400Kg of 12-18-15 compound fertilizer with a particle size of 4.2mm to 80°C, the crystal seed of the compound fertilizer is obtained, enters the drum, and takes urea 95.2Kg is heated to 135°C and melted, and then transported to the urine storage tank. At the same time, add 4.8Kg of sulfur, borax, and boric acid mixture into the urine storage tank, mix and store, and then mix the urine-trace element mixture with 3m 3 It is added into the drum at a speed of / s, atomized by a spray gun with 3 high-pressure nozzles, and the atomized mixed urine is evenly sprayed on the material curtain formed by the compound fertilizer seed crystal, and the edge of the material curtain and the material curtain is kept. The distance between the atomized edge and the atomized edge is 30cm, and the angle between the liquid surface of the mixed urine and the horizon...

Embodiment 3

[0018] A production method for producing granule-integrated sulfur-based high-nitrogen compound fertilizer by using a drum. After heating 700Kg of 12-18-15 compound fertilizer with a particle size of 2.2mm to 65°C, the crystal seed of the compound fertilizer is obtained, enters the drum, and takes urea 288.5Kg is heated to 128°C and melted, and then transported to the urine storage tank. At the same time, a mixture of 11.5Kg magnesium sulfate heptahydrate, sulfur, borax, boric acid, and sodium octaborate is added to the urine storage tank, and the urine is mixed and stored. liquid-trace element mixture at 2.2m 3 It is added into the drum at a speed of / s, atomized by a spray gun with 3 high-pressure nozzles, and the atomized mixed urine is evenly sprayed on the material curtain formed by the compound fertilizer seed crystal, and the edge of the material curtain and the material curtain is kept. The distance from the edge of atomization is 20cm, and the angle between the liquid...

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Abstract

The invention discloses a production method for producing granule-integrated sulfur-based high-nitrogen compound fertilizer by means of a drum. The compound fertilizer particles enter the drum after heating up, and at the same time add trace elements to urine to form a mixed liquid, which is directly completed in the drum. The mixed liquid wraps the compound fertilizer to form a product compound fertilizer, which solves the problem of shelling after wrapping in the industry at present. By adjusting the temperature, air volume, pressure, coating time and other indicators of the granulation process, the surface of the compound fertilizer and The urine mixture can achieve the condition of combining with each other, so that the two can be fully fused together, and the problem of shelling of the finished product is solved.

Description

technical field [0001] The invention relates to a compound fertilizer production process, in particular to a production method for producing granule-integrated sulfur-based high-nitrogen compound fertilizer by using a drum. Background technique [0002] At present, the sulfur-based compound fertilizer products produced by drum equipment and spraying technology in China have relatively single nutrients, and the main components are 12% nitrogen, 18% phosphorus, and 15% potassium. crop needs. With the continuous improvement of people's demand for fertilization, the market share of sulfur-based 12-18-15 compound fertilizer has been declining year by year. There are disadvantages such as high investment, unsynthesized materials, large labor force, and large storage of raw materials. Therefore, according to the actual situation, the company has researched by itself and developed a production method of using drums to produce granular high-nitrogen and high-nutrient compound ferti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00
Inventor 刘素云狄传胜徐树贵焦延涛董恩成高亮
Owner 山东聊城鲁西硝基复肥有限公司
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