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High-strength quick-solidifying plugging agent

A plugging agent and high-strength technology, which is applied in the field of decoration plugging, can solve the problems of reducing plugging efficiency, easy cracks, low strength, etc., and achieves the effect of benefiting penetration resistance, improving impact resistance, and improving wear resistance

Inactive Publication Date: 2018-11-06
徐波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the current plugging products are plugging products that only use quicklime or lithium salt as an accelerator, which has the following disadvantages: quicklime quick-setting type plugging products have low strength and are easy to crack; lithium salt quick-setting type plugging products high cost
Moreover, multiple steps are required to cooperate during use, which is cumbersome, thereby reducing the plugging efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1 of the present invention is a high-strength quick-setting plugging agent. The materials are composed of the following components by weight: 30 parts of sulphoaluminate cement, 3 parts of polyacrylamide, 6 parts of hemihydrate gypsum, and 26 parts of filler part, 0.5 part of nonionic surfactant, 0.5 part of sodium fluorosilicate; the hemihydrate gypsum is made by gradually heating gypsum to 150°C and heating at 150°C for 5 minutes, and the filler is pulverized coal Ash, quartz sand and mica powder are mixed with α-alumina powder; the ratio of the α-alumina powder to the sand-stone mixture is 1.5:4; the sand-stone mixture and α-alumina powder When the aluminum powder is mixed, add NF naphthalene-based water reducer and heat at 60°C for 3 minutes. The fly ash, quartz sand, and mica powder are all finely ground to 40μm.

Embodiment 2

[0018] Embodiment 2 of the present invention is a high-strength quick-setting plugging agent. The materials are composed of the following components by weight: 50 parts of sulphoaluminate cement, 4 parts of polyacrylamide, 12 parts of hemihydrate gypsum, and 30 parts of filler. 1 part, 1 part of non-ionic surfactant, 1 part of sodium fluorosilicate, the hemihydrate gypsum is made by gradually heating to 170°C and heated at 170°C for 5 minutes, and the filler is pulverized coal The mixture of sandstone composed of ash and mica powder is mixed with α-alumina powder. The ratio of the number of parts of the α-alumina powder to the mixture of sandstone is 1.5:4. When adding NF naphthalene-based water reducer and heating at 80°C for 3 minutes, the fly ash, quartz sand, and mica powder are all finely ground to 40μm.

[0019] Moreover, the dehydration chemical formula of the hemihydrate gypsum in the present invention is: CaSo4.2H2o-CaSo4.0.5H2o+1.5H2o, the molecular weight of the for...

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Abstract

The invention discloses a high-strength quick-solidifying plugging agent. The high-strength quick-solidifying plugging agent is technically characterized by being prepared from, by weight, 30-50 partsof sulphate aluminum cement, 1-2 parts of polyacrylamide, 6-15 parts of hemihydrate gypsum, 26-30 parts of filler, 0.5-1 part of nonionic surface active agent and 0.5-1 part of sodium silicofluoride.The high-strength quick-solidifying plugging agent has the advantages that a high-strength solid is formed after mixture solidification, and impact resistance of a plugging layer is improved; after mixture solidification, the high-hardness solid is formed, and the abrasion resistance of the plugging layer is improved. Lithium salt and quick lime low in heat producing capability serve as auxiliaries in the mixture solidification process, so that the formed material is more dense, and the permeation resistance of the plugging material is improved. The prepared plugging material overcomes the cracking problem of a plugging material made from quick lime, the cost of the hemihydrate gypsum is far lower than that of the lithium salt, and the cost of the plugging material is remarkably reduced.

Description

technical field [0001] The invention belongs to the technical field of leak plugging for decoration, and in particular relates to a high-strength quick-setting leak plugging agent. Background technique [0002] Most of the current plugging products are plugging products that only use quicklime or lithium salt as an accelerator, which has the following disadvantages: quicklime quick-setting plugging products have low strength and are easy to crack; lithium salt quick-setting plugging products high cost. Moreover, multiple steps are required to cooperate during use, which is cumbersome, thereby reducing the leakage plugging efficiency. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a high-strength quick-setting plugging agent with high strength and no cracks after solidification. [0004] In order to achieve the above purpose, the technical solution adopted by the present invention is a high-strength quick-...

Claims

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Application Information

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IPC IPC(8): C04B28/14
CPCC04B28/14C04B2111/00293C04B2111/00663C04B7/32C04B24/2652C04B22/12C04B18/08C04B14/06C04B14/20C04B20/008C04B14/303C04B2103/406C04B2103/302
Inventor 徐波
Owner 徐波
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