Technology and apparatus for producing wall sticking prevention multifunctional fertilizer

A technology of production process and production equipment, which is applied in the field of multi-functional fertilizer production process and its equipment, can solve the problems of easy wear of spreader, instability of furnace charge sinking, inconvenient operation of furnace charge, etc., so as to avoid the disconnection of charge and adsorption Effect

Active Publication Date: 2018-11-16
平罗县祥美化工有限公司
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Problems solved by technology

[0013] In view of this, it is necessary to design a multi-functional fertilizer production process and equipment with anti-sticking walls, and at the same time solv

Method used

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  • Technology and apparatus for producing wall sticking prevention multifunctional fertilizer
  • Technology and apparatus for producing wall sticking prevention multifunctional fertilizer
  • Technology and apparatus for producing wall sticking prevention multifunctional fertilizer

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Embodiment Construction

[0044] A kind of anti-adhesive multifunctional fertilizer production process, comprising the following steps:

[0045] Step 1: Crush the calcium carbide with a jaw crusher, mix the crushed calcium carbide 62-68%, fluorite 4-9%, and sodium chloride 8-13%; send the mixed reaction materials to a magnet separator for ferrosilicon separation;

[0046] Step 2: The reaction material after the separation of ferrosilicon in step 1 is crushed by a hammer crusher to a particle size of less than 20 mm, and then sent to a ball mill to be ground to below 80 mesh;

[0047] Step 3: Grinding the returned lime nitrogen powder to below 60 mesh;

[0048] Step 4: Send the reaction material after step 2 pulverization into reaction bin 1, such as figure 1 As shown, the returned lime nitrogen after step three grinding is sent into the returned furnace hopper 2; the reaction hopper 1 and the returned furnace hopper 2 are communicated with the blanking cavity of the electrostatic generating type feed...

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Abstract

A technology for producing a wall sticking prevention multifunctional fertilizer relates to the technical field of sedimentation furnace production of lime nitrogen multifunctional fertilizers. The technology comprises the following steps: reaction materials are crushed and mixed; foundry returns are crushed; the reaction materials and the foundry returns are respectively fed into a material scatter, the scatter makes reaction material dusts charged and the inner wall of a reaction segment likely charged, and classic repulsion makes the reaction material dusts not adhered to the wall of a furnace; a thermometer is used to monitor the temperature of the furnace and control the added foundry returns lime nitrogen, and the temperature of the furnace is controlled to be in a proper range; anda double-roller discharging system upwards crushes and discharges during tapping, and continuous vibration makes the furnace material fast and stably settled. The invention also provides an apparatusinvolved by the technology. The apparatus comprises a reaction material chamber, a foundry return chamber, a spiral feeder, the electrostatic generation type scatter, a settling furnace, the double-roller discharging system, the thermometer and an automatic control system. The technology and the apparatus effectively avoid the dusts from being adsorbed to the wall of the furnace, and avoid meltingwall sticking and hardening wall sticking caused by too high or too low temperature.

Description

Technical field: [0001] The invention relates to the technical field of lime-nitrogen multifunctional fertilizer production by a settling furnace method, in particular to a multifunctional fertilizer production process with an anti-sticking wall and equipment thereof. Background technique: [0002] The scientific name of lime nitrogen is calcium cyanamide, which is a chemical fertilizer that has been used for more than 100 years. From the 1960s to the mid-1970s, lime nitrogen began to be widely used in my country's agriculture, such as as a base fertilizer for rice, adjusting soil acidity, and supplementing plant calcium. [0003] At present, domestic lime nitrogen production mainly includes fixed furnace method, settling furnace method and rotary furnace method. Due to the low investment, low energy consumption and the advantages of producing high-quality lime nitrogen, the settling furnace method is adopted by most domestic enterprises. At present, the high-quality lime n...

Claims

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Application Information

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IPC IPC(8): C05C7/00
CPCC05C7/00
Inventor 刘安刘刚
Owner 平罗县祥美化工有限公司
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