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Magnesium nitrate, magnesium nitrate granulation equipment and magnesium nitrate production process

A granulation equipment, magnesium nitrate technology, applied in the direction of magnesium nitrate, nitrate fertilizer, fertilizer form, etc., can solve the problems of inability to carry out mechanical and continuous production, difficult use by users, and incomplete separation, etc., to achieve the product Beautiful appearance, beautiful appearance, good fluidity effect

Inactive Publication Date: 2014-08-13
王静
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing magnesium nitrate products are granular spherical products containing six crystal waters. In the production process of magnesium nitrate hexahydrate products, the magnesium nitrate liquid that reaches the crystallization standard after being concentrated is sent to the crystallization tank or box for cooling crystallization and separation. Unable to carry out mechanical and continuous production, high energy consumption and low efficiency, and the separation cannot be achieved through centrifugal separation and liquid separation. After becoming small crystal particles, the agglomeration phenomenon is serious and the fluidity is poor, which makes it difficult for users to use

Method used

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  • Magnesium nitrate, magnesium nitrate granulation equipment and magnesium nitrate production process
  • Magnesium nitrate, magnesium nitrate granulation equipment and magnesium nitrate production process
  • Magnesium nitrate, magnesium nitrate granulation equipment and magnesium nitrate production process

Examples

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Effect test

Embodiment 1

[0034] Example 1: As attached Figure 5 And Image 6 As shown, a magnesium nitrate includes a magnesium nitrate body 22 with a circular or elliptical shape. The magnesium nitrate body 22 has concave round holes 23, and the mass percentage of magnesium nitrate hexahydrate is 97%-99%.

[0035] The magnesium nitrate body 22 presents a semi-transparent state with a smooth surface, and the diameter of the magnesium nitrate body is 1.0-4.0 mm.

Embodiment 2

[0036] Example 2: As attached figure 1 , Attached figure 2 , Attached image 3 And Figure 4 As shown, a magnesium nitrate granulation equipment includes a cylinder body 12, a hopper 5 is arranged at the lower part of the cylinder body 12, and the shape of the hopper 5 is a cone. A buffer tank 17 and an induced draft fan 16 are arranged on the upper part of the cylinder body 12. A spray head 13 is arranged inside the cylinder 12, and the spray head 13 is connected to the buffer tank 17.

[0037] The number of induced draft fans 16 is ten, and the ten induced draft fans 16 are evenly distributed in the circumferential direction. The number of induced draft fans 16 can be increased or decreased according to needs.

[0038] The induced draft fan 16 is an axial induced draft fan, and the induced draft fan 16 communicates with the inside of the sleeve 12 through an induced draft tube 15.

[0039] The upper part of the cylinder 12 is provided with an operating platform 14, and the buffer...

Embodiment 3

[0047] Embodiment 3: A production process of magnesium nitrate, the production process includes the following steps:

[0048] The magnesium nitrate solution is passed through the concentration process, and reaches the standard solution that needs to be sent to the original batch crystallization process, and is sent to the storage tank 1, and then sent to the temperature control tank 4 by the first transfer pump 2 to control the temperature at 80-110°C. The magnesium nitrate solution with a temperature of 80-110°C is delivered to the buffer tank 17 on the upper part of the granulation equipment through the second delivery pump 3, and is to be sprayed;

[0049] Through the measurement and filtration of the buffer tank 17, the magnesium nitrate liquid in the buffer tank 17 flows by itself into the nozzle 13, and the magnesium nitrate solution is sprayed out through the nozzle 13, forming droplets of uniform size falling from the upper part to the lower part, and the induced draft fan 1...

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Abstract

The invention relates to magnesium nitrate which comprises a round or elliptic magnesium nitrate body, wherein recessed round holes are formed in the magnesium nitrate body. Magnesium nitrate is attractive in appearance, high in strength, good in flowability and unlikely to agglomerate. Magnesium nitrate granulation equipment comprises a barrel body, wherein a buffer tank and a draft fan are arranged at the upper part of the barrel body; a spraying head is arranged in the barrel body and is connected with the buffer tank. The equipment is high in automation level, low in investment cost, short in construction cycle, quick in production, small in area occupation and low in energy consumption. A magnesium nitrate production process is simple, and magnesium nitrate granules produced by adopting the process are attractive in appearance, high in strength, good in flowability and unlikely to agglomerate.

Description

technical field [0001] The invention relates to magnesium nitrate, magnesium nitrate granulation equipment and a production process thereof. Background technique [0002] There are many ways to granulate inorganic salts, but high-tower granulation is one of the most important methods, except that ammonium nitrate, potassium nitrate, urea and other compound fertilizers are successfully produced by high-tower granulation. In terms of fertilizer production technology, through years of practical application, the technology and equipment are very mature and perfect. However, due to the high investment cost of high towers, generally between 6 million and 10 million, the construction period is about two years, the commissioning is slow, and it occupies a large area. It is more difficult to adopt this method for magnesium nitrate containing crystal water. The method of high-tower granulation for magnesium nitrate just stays in the stage of writing and imagination, and has not been ...

Claims

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Application Information

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IPC IPC(8): C01F5/38C05C5/00C05G5/00
Inventor 王静
Owner 王静
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