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A kind of processing method of corrosion-resistant filler

A processing method and corrosion-resistant technology, applied in chemical instruments and methods, chemical/physical/physical-chemical processes, chemical/physical processes, etc., can solve the problems of corrosion and aging of fillers, complex components, etc., and achieve corrosion resistance and Increased strength, low energy consumption, and reduced energy consumption

Active Publication Date: 2017-07-04
SUZHOU KD PETROCHEM ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Packing is in a high-temperature environment when used, and the material composition of the mass transfer separation is complex, often acidic or alkaline, making the packing very easy to be corroded and aged in a high-temperature working environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0020] A kind of processing method of corrosion-resistant filler of the present embodiment, comprises the following steps:

[0021] (1) Ingredients: The parts by weight of each component in the raw material of the corrosion-resistant filler are: 4-5 parts of tungsten carbide, 2-3 parts of Zn, 7-8 parts of montmorillonite, 20-25 parts of kaolin, AlN powder 4-5 parts, 6-8 parts of wollastonite, 6-8 parts of diopside, 5-6 parts of antioxidant RD and 38-42 parts of clay;

[0022] (2) Grinding: Use a pulverizer to pulverize the above-mentioned raw materials respectively, and the particle diameter of the pulverized raw materials is between 15mm-18mm;

[0023] (3) Mixing ball milling: the raw materials are put into the mixing ball mill according to the parts by weight for mixing ball milling, and the particle diameter of the raw materials after the mixing ball milling is between 2000-4500 mesh;

[0024] (4) Adding water: adding water to the raw materials after mixing and ball millin...

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Abstract

The invention discloses a processing method for a corrosion-resistant filler. The processing method comprises the steps of blending, crushing, mixing and ball grinding, water addition, clay preparation, forming, low-temperature drying, feeding into a kiln, firing and the like. According to the processing method, raw materials are mixed and ball-ground after being crushed in a filler processing process, so that crushing efficiency is improved, and the raw materials can be rapidly processed into required particle sizes; the surface of the filler is spray-coated with 1Cr13 and pure aluminum coatings, so that the corrosion resistance and the strength of the filler are further improved.

Description

technical field [0001] The invention relates to a processing method for corrosion-resistant packing, which belongs to the technical field of petrochemical mass transfer and separation equipment. Background technique [0002] In chemical engineering, packing refers to inert solid materials installed in packed towers, such as Pall rings and Raschig rings, etc., whose function is to increase the contact surface of gas-liquid and make them strongly mix with each other. Bulk packing is a granular body with a certain geometric shape and size, which is generally piled up in the tower in a random manner, also known as random packing or granular packing. According to different structural characteristics, bulk packing can be divided into ring packing, saddle packing, ring saddle packing and spherical packing. [0003] At present, the packed tower has been widely used in unit operations such as rectification, absorption, extraction, etc. in chemical, petroleum, pharmaceutical, environ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/30
Inventor 牛录元孔逸君徐耀刚孙涛叶丽萍
Owner SUZHOU KD PETROCHEM ENG
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