Production line process for producing steel pellets of different sizes

An assembly line and steel shot technology, which is applied in the field of steel shot processing, can solve the problems affecting the service life and scope of use of steel shot, the toughness and hardness of steel shot, and the inconformity of energy saving and environmental protection, etc., to achieve surface density, increase toughness and strength , the effect of increasing strength

Inactive Publication Date: 2018-11-06
ZIBO LUBAO METAL PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The toughness and hardness of the steel shot produced by the existing steel shot manufacturing process are difficult to balance
It affects the service life and scope of use of steel shots, resulting in a large consumption of steel shots, which does not conform to the current concept of energy saving and environmental protection in society

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The present invention provides a technical solution: the assembly line process for producing steel shots of different specifications includes the following steps:

[0019] S1: Cleaning the raw materials: add scraps of steel materials such as steel block, wool wire, steel shavings and so on in the leaching liquid for soaking, while stirring, so that the oil and impurities on the surface of the iron waste are dissolved in the leaching liquid, and then Take out the clean waste and dry it;

[0020] S2: Crushing raw materials: the iron waste that was washed and dried in the previous step is beaten and crushed, and the large pieces of waste are beaten into small pieces;

[0021] S3: Melt the raw materials: transfer the raw materials after the previous step to the furnace for heating and melting treatment, the heating temperature is 1850 degrees Celsius, and the heating time is 35 minutes, until the raw materials are completely melted into a liquid state;

[0022] S4: Add auxiliary ma...

Embodiment 2

[0027] The present invention provides a technical solution: the assembly line process for producing steel shots of different specifications includes the following steps:

[0028] S1: Cleaning the raw materials: add scraps of steel materials such as steel block, wool wire, steel shavings and so on in the leaching liquid for soaking, while stirring, so that the oil and impurities on the surface of the iron waste are dissolved in the leaching liquid, and then Take out the clean waste and dry it;

[0029] S2: Crushing raw materials: the iron waste that was washed and dried in the previous step is beaten and crushed, and the large pieces of waste are beaten into small pieces;

[0030] S3: Melt the raw materials: transfer the raw materials after the previous step to a furnace for heating and melting treatment, the heating temperature is 1950 degrees Celsius, the heating time is 30 minutes, until the raw materials are completely melted into a liquid state;

[0031] S4: Add auxiliary material...

Embodiment 3

[0036] The present invention provides a technical solution: the assembly line process for producing steel shots of different specifications includes the following steps:

[0037] S1: Cleaning the raw materials: add scraps of steel materials such as steel block, wool wire, steel shavings and so on in the leaching liquid for soaking, while stirring, so that the oil and impurities on the surface of the iron waste are dissolved in the leaching liquid, and then Take out the clean waste and dry it;

[0038] S2: Crushing raw materials: the iron waste that was washed and dried in the previous step is beaten and crushed, and the large pieces of waste are beaten into small pieces;

[0039] S3: Melt the raw materials: transfer the raw materials after the previous step to a furnace for heating and melting treatment, the heating temperature is 2250 degrees Celsius, and the heating time is 50 minutes, until the raw materials are completely melted into a liquid state;

[0040] S4: Add auxiliary mate...

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PUM

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Abstract

The invention discloses a production line process for producing steel pellets of different sizes. The production line process comprises the following steps of 1, cleaning raw materials; 2, pulverizingthe raw materials; 3, melting the raw materials; 4, adding auxiliary raw materials; 5, conducting centrifugal pelleting; and 6, conducting sorting and packaging. By means of the production line process, strength and toughness of the produced steel pellets can be effectively improved, and quality of the steel pellets is improved; and thus, the service life of each steel pellet is remarkably prolonged, energy consumption is lowered, and the cost is lowered.

Description

Technical field [0001] The invention relates to the field of steel shot processing, in particular to an assembly line process for producing steel shots of different specifications. Background technique [0002] Steel shots are generally made of high-quality steel scraps. First, they are co-melted, and then the molten wound water is formed into small spheres with high-pressure water jets. The formed pellets are heated again and then quenched. The quenched pellets are dried in the furnace and reheated and tempered to achieve the appropriate hardness. The tempered steel pellets are divided into different grades through mechanical screens for use in different shot blasting equipment. Products with different particle sizes and hardness have different application fields. At present, more than 95% of steel shot manufacturers use intermediate frequency electric furnaces. Because this kind of electric furnace cannot remove carbon, sulfur, phosphorus and other harmful substances in molten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/10C22C33/04C23G1/08
CPCB22F9/10C22C33/04C23G1/08
Inventor 马祎泽赵杰
Owner ZIBO LUBAO METAL PROD CO LTD
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