Iron casting release agent and production process thereof

A production process and release agent technology, applied in the field of cast iron release agent and its production process, can solve problems such as unsatisfactory use effect, achieve low cost, no iron slag residue, and improve the efficiency of cast iron

Active Publication Date: 2019-08-06
MAANSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem that the actual use effect of the existing cast iron release agent is not ideal, the present invention provides a cast iron release agent, which has strong adhesion, fast sintering speed, ceramicization after sintering and can be sprayed in the process of casting iron and The advantages of good spraying effect, low manufacturing cost, and excellent actual use effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Cast iron machine is a kind of equipment for pouring pig iron blocks. Whether its running stability is good or not is directly related to the continuity of cast iron production and the improvement of cast iron efficiency. Its specific structure is a slanted upward endless chain belt equipped with many cast iron molds and chain plates, which revolves around the star-shaped large gears at the upper and lower ends. As a guide wheel, the molten iron is poured into the running cast iron mold one by one at one end, and is cooled during the operation of the cast iron mold. When it reaches the tail of the cast iron machine for reverse movement, the cast iron mold tilts 180° so that the solidified iron blocks are automatically released from the cast iron mold. Falls off into the transport cart under the chain belt.

[0042] However, the molten iron is easily bonded to the cast iron mold during the solidification process, causing the iron block to be unable to fall off from the c...

Embodiment 2

[0053] The present embodiment provides a kind of production technique of the cast iron release agent of embodiment 1, comprises the manufacture method and the spraying method of release agent, and the concrete process of its manufacture method is as follows:

[0054] 1. Ingredients

[0055] Get the graphite that is 0.5 part, the coke powder of 0.5 part, the Guangxi white mud of 6 parts, the sericite of 3 parts, the coal slime of 2 parts in mass parts, pulverize to granular material by material pulverizer after mixing, the granular material of granular material The diameter is less than 200 mesh. The material pulverizer in this step can adopt various conventional material pulverizers on the market.

[0056] 2. Pulping

[0057] Add the granular material prepared in step 1 into the mixing tank, and then add 88 parts by mass of water to the mixing tank to form a solution. The water temperature is 25°C, and high-temperature steam is passed into the mixing tank to heat the solutio...

Embodiment 3

[0061] The production process of a cast iron release agent in this embodiment is basically the same as the production process in Example 2, the difference is that in the pulping step, the solution is heated by high-temperature steam with a temperature of 160 ° C, and the heating time is 30 minutes , the final slurry temperature was 85°C. After the cast iron mold was sprayed with the slurry prepared in this embodiment, the iron loss rate was reduced by 25% compared with the iron loss rate of the release agent in Example 2.

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Abstract

The invention discloses an iron casting release agent and a production process thereof, and belongs to the field of iron casting. The release agent comprises the components in percentage by mass: 0.5to 1 percent of graphite, 0 to 0.5 percent of coke powder, 5 to 10 percent of Guangxi white mud, 2 to 5 percent of sericite, 1 to 2 percent of coal slime and 82 to 90 percent of water. The iron casting release agent has the advantages of high adhesion property, high sintering speed, capability of being ceramic after being sintered, capability of spray-coating in the iron casting process and good spray-coating effect, and has low manufacturing cost and extremely good actual use effect. The production process comprises the steps of preparing materials, slurrying, spray-coating and the like. Themanufacturing efficiency of the release agent is high, the proportion of part of the components can be adjusted according to the actual requirement, the flexibility is high, and the release agent canbe rapidly solidified and sintered after being spray-coated on an iron casting die.

Description

technical field [0001] The invention belongs to the field of cast iron, and more specifically relates to a release agent for cast iron and a production process thereof. Background technique [0002] With the rapid development of my country's metallurgical industry, iron casting machines have been widely used in the production process of blast furnace smelting and gradually become an indispensable equipment in the production process of blast furnace. The cast iron machine is a device designed for continuous casting of molten iron into iron blocks. Its working process is that the locomotive transports the molten iron tank car or mixed iron car loaded with molten iron from the blast furnace to the cast iron machine workshop through a railway locomotive or car, and the tilting mechanism The molten iron tank is overturned, and the molten iron flows into the cast iron mold through the molten iron trough, and the cast iron mold filled with molten iron is slowly moved upwards driven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00B22C23/02
CPCB22C3/00B22C23/02
Inventor 陈军宗志华聂长果李斌孙树峰汪茂
Owner MAANSHAN IRON & STEEL CO LTD
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