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A fiber tough cementing material

A technology of fiber toughness and fiber materials, which is applied in the field of fiber toughness cementing materials, can solve the problems that long fibers are not easy to pump, limit the amount of fiber used, and cannot better exert fiber performance, so as to achieve fiber-reinforced performance, Improving the binding effect and the effect of increasing the mechanical binding force

Active Publication Date: 2022-03-04
JIAHUA SPECIAL CEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the cementing industry, long fibers are not easy to pump, and the difficulty of mixing and dispersing fibers limits the amount of fibers used. In cementing cement, the actual amount of fibers added to the mud is less than 2%. Fibers used in cementing materials The length does not exceed 10mm, and the performance of the fiber in cement products such as mortar and concrete cannot be better exerted

Method used

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  • A fiber tough cementing material

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Embodiment 1

[0027] As a preferred embodiment of the present invention, this embodiment discloses the proportion of the modified toughening material used in the present invention, specifically as follows:

[0028] 1. Bagasse 40%, ramie fiber 42%, potato starch 5%, fly ash 5% and micro-silicon 8%; bagasse, ramie fiber and potato starch were put into the mixing equipment and mixed for 2 minutes; then the mixed Put the mixed bagasse, ramie fiber and potato starch mixture into a ball mill and grind for 20 minutes; put the ground bagasse, ramie fiber and potato starch mixture with fly ash and micro silicon Mix in the equipment for 3 minutes to prepare modified and toughened material A.

[0029] 2. 70% pulp fiber, 10% corn starch, 10% metakaolin and 10% micro-silicon; put the pulp fiber and corn starch into the mixing equipment and mix for 2 minutes; then mix the mixed pulp fiber and corn starch Put the mixture into a ball mill and grind it for 25 minutes; put the ground pulp fiber and cornstar...

Embodiment 2

[0033] As another preferred embodiment of the present invention, this embodiment discloses a fiber tough cementing material, specifically as follows:

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Abstract

The invention discloses a fiber tough cementing material and relates to the technical field of cementing materials. The cementing material of the present invention includes the following raw materials by mass percentage: 70-90% of inorganic gel material, 2-8% of modified toughening material, 1-10% of reinforcing material, and 1-15% of filling material; The modified toughening material comprises the following raw materials by mass percentage: 70-90% of fiber material, 5-10% of organic dispersion aid and 5-20% of inorganic dispersion aid; Disperse in the material, reduce agglomeration, increase the proportion of fiber used in cement-based materials, improve the compressive strength, crack resistance, toughness, durability, and reduce shrinkage of cement slurry. Realize the pumpability of fiber cement during downhole operations, reduce cement stone cracks, prevent gas channeling and water channeling, and improve the safety of cementing operations.

Description

technical field [0001] The invention relates to the technical field of well cementing materials, and more specifically relates to a fibrous tenacity cementing material. Background technique [0002] In order to improve the performance of cement, fibers are often used in various cement-based materials, including mortar, concrete, and fiber cement products. Although fibers with random sizes can improve some mechanical properties of concrete, due to fiber "balling" or The possibility of flocculation and non-uniform dispersion, the requirements for its mixing and dispersion are usually higher. [0003] In the cementing industry, long fibers are not easy to pump, and the difficulty of mixing and dispersing fibers limits the amount of fibers used. In cementing cement, the actual amount of fibers added to the mud is less than 2%. Fibers used in cementing materials If the length is not more than 10mm, the performance of the fiber in cement products such as mortar and concrete canno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B28/06C04B24/38C04B18/08C04B18/14C04B14/10C04B14/02C04B18/26C04B18/24C04B103/40
CPCC04B28/04C04B28/06C04B24/38C04B18/08C04B18/146C04B14/106C04B18/248C04B18/26C04B18/241C04B14/024C04B2103/408C04B2201/50C04B14/28Y02W30/91
Inventor 曾雪玲古安林张洋勇
Owner JIAHUA SPECIAL CEMENT
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