Cement adhesive with low energy consumption and super-early strength for binding of insulator and preparation method thereof

A technology of early-strength cement and insulators, which is applied in the field of low-energy super-early-strength cement adhesives for insulator glue mounting and its preparation, can solve the problems of insufficient production efficiency improvement, high energy consumption in the production process, and large environmental impact, and achieve shortened maintenance. Time, increase production efficiency, the effect of sufficient operating time

Inactive Publication Date: 2018-06-01
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in order to speed up the setting and strength development of the adhesive, or use sulfoaluminate cement as the main material and prepare cement adhesive through grinding treatment, or use hot water / hot steam to cure the glued insulators, these technical methods exist in production Problems such as high process energy consumption, high equipment investment, insufficient production efficiency improvement, and large environmental impact

Method used

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  • Cement adhesive with low energy consumption and super-early strength for binding of insulator and preparation method thereof
  • Cement adhesive with low energy consumption and super-early strength for binding of insulator and preparation method thereof
  • Cement adhesive with low energy consumption and super-early strength for binding of insulator and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The low-energy consumption super-early-strength cement adhesive is composed of rapid hardening cement, ordinary cement, micro-silica fume, gelatinized quartz sand, composite admixture, and water in the following weight ratio:

[0036] Rapid hardening sulfoaluminate cement with a strength grade of 52.5MPa 100

[0037] P·O 52.5 cement 10

[0038] Micro silica fume 7.5

[0039] 40 mesh ~ 100 mesh glued quartz sand 65

[0040] Compound admixture 1.00

[0041] water 23

[0042] The composite admixture is composed of boric acid, polycarboxylate water reducer, lithium carbonate, starch ether, and polysiloxane defoamer in the following weight ratio of 100:35:10:20:20.

[0043] Low energy consumption super early strength cement binder, its preparation method comprises the following steps:

[0044] The three-step mixing method is adopted, that is, after weighing the raw materials according to the proportion, first put the ordinary silicon cement and the compound admixture in...

Embodiment 2

[0046] The low-energy consumption super-early-strength cement adhesive is composed of rapid hardening cement, ordinary cement, micro-silica fume, gelatinized quartz sand, composite admixture, and water in the following weight ratio:

[0047] Rapid hardening sulfoaluminate cement with a strength grade of 42.5MPa 100

[0048] P·O5 2.5 cement 5

[0049] Silica fume 6

[0050] 40 mesh ~ 100 mesh glued quartz sand 100

[0051] Compound admixture 0.55

[0052] water 25

[0053] The composite admixture is composed of boric acid, polycarboxylate water reducer, lithium sulfate, hydroxypropyl methylcellulose ether, and polysiloxane defoamer in the following weight ratio: 100:30:8:20:15 .

[0054] Low energy consumption super early strength cement binder, its preparation method is shown in Example 1.

Embodiment 3

[0056] The low-energy consumption super-early-strength cement adhesive is composed of rapid hardening cement, ordinary cement, micro-silica fume, gelatinized quartz sand, composite admixture, and water in the following weight ratio:

[0057] Rapid hardening sulfoaluminate cement with a strength grade of 52.5MPa 100

[0058] P·O 52.5 Cement 5.5

[0059] Microsilica 7.0

[0060] 40 mesh ~ 100 mesh glued quartz sand 70

[0061] Compound admixture 0.85

[0062] water 24

[0063] The composite admixture is composed of boric acid, polycarboxylate water reducer, lithium carbonate, hydroxypropyl methylcellulose ether, and polysiloxane defoamer in the following weight ratio: 100:40:9:15:20 .

[0064] Low energy consumption super early strength cement binder, its preparation method is shown in Example 1.

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Abstract

The invention relates to a cement adhesive with low energy consumption and super-early strength for binding of an insulator and a preparation method thereof. The cement adhesive is prepared from the following raw materials of quick-hardening cement, common cement, micro-silicon powder, binding quartz sand, a composite admixture and water, wherein the composite admixture consists of a retarder, a polycarboxylate superplasticizer, an early strength agent, a tackifier and a defoamer according to a ratio. The cement adhesive has the beneficial effects that (1) the production efficiency of the insulator is greatly improved by the compounding of the quick-hardening cement and the common cement; (2) the strength stability, anti-seepage property and durability are excellent; (3) by adopting the proper tackifier, the water sensitivity is decreased, the viscosity of the cement adhesive is adjusted, and the operability of the cement adhesive is obviously improved; (4) the binding time of the adhered insulator is greatly shortened, and the utilization rate of a curing tank is improved; (5) by adopting the three-step mixing method, the ratio of premixture to the quick-hardening cement is properly adjusted, so as to maintain the actual condensing time and operation time of the cement adhesive.

Description

technical field [0001] The invention belongs to the field of new building materials, and relates to a low-energy-consumption super-early-strength cement adhesive for insulator gluing and a preparation method thereof. Background technique [0002] my country's continuous and rapid development of the power industry has an increasing demand for electric porcelain insulators, and its quality requirements are becoming more and more stringent. As an important material for connecting porcelain or glass parts and metal accessories in insulators, cement adhesive will directly affect the overall quality of the insulator, and its hydration hardening speed and strength development speed directly affect the production efficiency of the insulator glue. [0003] At present, the cement glue used for insulator gluing is mostly made of high-grade Portland cement, quartz sand, appropriate amount of admixtures and water. In order to obtain high early strength, insulators often need to pass hot ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/06
CPCC04B28/06C04B2111/00637C04B2201/50C04B7/02C04B18/146C04B14/06C04B2103/22C04B2103/302C04B2103/44C04B2103/50C04B2103/12
Inventor 黄从运陈常明张岩刘守信
Owner WUHAN UNIV OF TECH
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