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Ceramic ball with in-built alpha+beta titanium alloy skeleton and preparation method thereof

A technology of β titanium alloy and ceramic ball, which is applied in the field of ceramic ball with built-in α+β titanium alloy skeleton and its preparation, can solve the problems that restrict the development of cement ball milling, and achieve the avoidance of ceramic fragmentation, good corrosion resistance, and impact ability strong effect

Active Publication Date: 2016-12-21
SHANDONG TIANHUI GRINDING WEAR TECH DEV CO LTD
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Problems solved by technology

[0004] However, in the long-term research of ceramic balls used in cement ball mills, the inventors found that the breakage caused by the impact of starting, emergency stop, throwing, etc. is one of the most common damage modes of ceramic balls, which greatly restricts the cement ball mill. industry development

Method used

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  • Ceramic ball with in-built alpha+beta titanium alloy skeleton and preparation method thereof
  • Ceramic ball with in-built alpha+beta titanium alloy skeleton and preparation method thereof
  • Ceramic ball with in-built alpha+beta titanium alloy skeleton and preparation method thereof

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Embodiment Construction

[0030] The ceramic ball with built-in α+β titanium alloy skeleton of the present invention, such as figure 1 As shown, it is composed of α+β titanium alloy integrally die-cast into an integral structure, dendritic or fishbone structure α+β titanium alloy skeleton and ceramic spheres wrapped around it, and is manufactured by integral pressing and high-temperature sintering; The total volume of the α+β titanium alloy skeleton is 3-5% of the volume of the ceramic ball, and the dimension in the longest direction is less than 70% of the outer diameter of the ceramic ball; the ceramic ball is made of alumina-based ceramic material, and its formula is alumina 92 -95%, ferric oxide 0.5-2%, kaolin 0.8-3%, silicon carbide 0.2-2%, titanium dioxide 1.5-2%, titanium carbide 0.8-1%, molybdenum disulfide 0.3-2%, the formula Embodiments and detailed proportions have been discussed in detail in the patents previously applied for by the inventor, and will not be repeated here. In the present inv...

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Abstract

The invention provides a ceramic ball with an in-built alpha+beta titanium alloy skeleton. The ceramic ball is composed of an alpha+beta titanium alloy prepared skeleton with an integrated structure, and a ceramic ball body wrapped outside of the skeleton, and is manufactured in manners of integrated lamination and high-temperature sintering, wherein the total volume of the alpha+beta titanium alloy skeleton accounts for 3 to 5% of the volume of the ceramic ball; the size of the alpha+beta titanium alloy skeleton in the longest direction is smaller than 70% of the external diameter of the ceramic ball; and the ceramic ball body is prepared from an alumina based ceramic material. The invention also discloses a preparation method for the ceramic ball. The preparation method comprises procedures like batching, ball milling, spray granulation, aging in a stock bin, profiling processing, high-temperature sintering, powder-cleaning and polishing, and finished-product drying; and specifically, a great amount of improvements in the procedures of profiling processing and high-temperature sintering are performed. The ceramic ball with the in-built alpha+beta titanium alloy skeleton has better integrality and is insusceptible to breaking; meanwhile, the preparation method enables industrial production of the ceramic ball with the in-built alpha+beta titanium alloy skeleton to be possible through the improvements in the procedures of profiling processing and high-temperature sintering.

Description

technical field [0001] The invention relates to the field of cement processing, in particular to a ceramic ball with a built-in α+β titanium alloy skeleton and a preparation method thereof. Background technique [0002] The cement ball mill has the characteristics of strong adaptability to materials, continuous production, large crushing ratio, and easy speed adjustment to grind the fineness of the product. The working principle of the commonly used cement ball mill is that the material enters the mill chamber spirally and evenly through the feeding hollow shaft from the feeding device. There are stepped lining boards or corrugated lining boards in the chamber, and steel balls or ceramic balls of different specifications are installed inside. The rotation of the cylinder produces centrifugal force, which brings the steel ball or ceramic ball to a certain height and then falls, which has the impact and grinding effect on the material. Cement ball mill ceramic ball is a commo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10C04B35/76C04B35/626C04B35/64B28B23/02B28B11/24
CPCB28B11/243B28B23/02C04B35/10C04B35/6261C04B35/64C04B35/76C04B2235/3232C04B2235/3272C04B2235/349C04B2235/3826C04B2235/3843C04B2235/446C04B2235/96
Inventor 尹方勇周俊华王峰朱红海朱文沛王征
Owner SHANDONG TIANHUI GRINDING WEAR TECH DEV CO LTD
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