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Method for preparing gelling composite material with piezoelectric property, gelling composite material and application of gelling composite material

A technology of cementitious composite materials, piezoelectric performance, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., to achieve the effect of enhancing piezoelectric performance

Active Publication Date: 2021-07-20
ANHUI UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

Faced with the problem of resource utilization of titanium-containing blast furnace slag, decades of exploration have been carried out. Although it has been effective, there is still a long way to go before the real high value-added industrial utilization.

Method used

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  • Method for preparing gelling composite material with piezoelectric property, gelling composite material and application of gelling composite material
  • Method for preparing gelling composite material with piezoelectric property, gelling composite material and application of gelling composite material
  • Method for preparing gelling composite material with piezoelectric property, gelling composite material and application of gelling composite material

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Embodiment Construction

[0061] The present invention will be further described below in conjunction with specific embodiments.

[0062] Modification and reconstitution process technical parameter in each embodiment and comparative example of table 1

[0063]

[0064] Crush the massive titanium-containing blast furnace slag and grind it in a grinding tank for 60 seconds. After drying, weigh 16.472g, mix it with 24.844g of analytically pure lead oxide and 6.493g of analytically pure zirconia, and grind for 30min with an agate mortar The above ensures that the components are fully mixed and uniform, and the muffle furnace is used as a heating device. In the first stage (heating stage), the mixed powder is heated to 700°C at a heating rate of 5°C / min and kept for 1h; then heated to 800-910°C at a heating rate of 10°C / min and kept for 2 hours (second stage); the final stage was incubated at 750°C for 1h. After cooling to room temperature with the furnace, a gelled composite sample with piezoelectric ...

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Abstract

The invention provides a method for preparing a gelling composite material with piezoelectric property, the gelling composite material and application of the gelling composite material, and belongs to the field of intelligent road traffic. According to the method, titanium-containing blast furnace slag and metal oxides (PbO and ZrO2) are sufficiently and uniformly mixed and then roasted under a certain thermal system, and on the theoretical basis of mineral phase reconstruction-synergistic regulation of all valuable components, the mixture is cooled to the room temperature along with a furnace to obtain the gelling composite material with piezoelectricity. The piezoelectric cementing material with diversified application scenes is prepared, a theoretical basis is provided for solving the problem that the compatibility matching is poor when a pure PZT material is applied to cement concrete on a large scale, and the piezoelectric cementing material can be applied to multiple fields such as novel intelligent roads, intelligent roadbeds and key structure real-time health monitoring. A brand new thought is provided for unique green short-process high-added-value large-scale utilization of the titanium-containing blast furnace slag difficult to treat in China.

Description

technical field [0001] The invention belongs to the technical field of blast furnace slag application, and relates to a one-step method of using titanium-containing blast furnace slag as a raw material to prepare piezoelectric gelled composite materials. Background technique [0002] In 2018, the Ministry of Natural Resources was established to promote the implementation of the reform of the mineral resources management system, continue to strengthen the investigation and evaluation of strategic assets, and continuously improve the level of comprehensive development and utilization. Do a good job in the exploration, development and utilization of mineral resources, green mine construction, mineral investigation and evaluation, mineral resource planning, mineral resource supervision and management and other related regulations, optimize energy consumption structure, ecological protection and restoration, and actively promote the comprehensive development and utilization of min...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/491C04B35/624C04B18/02
CPCC04B35/491C04B35/62204C04B35/624C04B18/023C04B2235/3454C04B2235/3445C04B2235/6567C04B2235/661C04B2235/6562C04B2235/6565Y02W30/91C04B18/144C04B2235/3232C04B2235/3244C04B2235/3296C04B2235/80C04B2235/3208C04B2235/3206C04B35/62675C04B20/04C04B22/06C04B40/0263C04B2111/00215C04B2111/0075C04B2111/00844C04B2111/90
Inventor 吕辉鸿季益龙代兵杨贤峰雷昭武杏荣李辽沙
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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