Gas Drainage Borehole Sealing Material
A sealing material and gas extraction technology, which can be used in drilling composition, application, household appliances, etc., can solve the problems of high price of expansive cement, poor sealing quality, and increased sealing cost.
Inactive Publication Date: 2017-10-10
JIZHONG ENERGY FENGFENG GRP
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Problems solved by technology
It is an indisputable fact that ordinary cement is used directly, and the sealing quality is poor. At present, the material with better sealing effect is expansive cement, but the price of expansive cement is high, and the cost of sealing holes is also greatly increased.
Method used
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Experimental program
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Effect test
Embodiment Construction
[0032] Gas drainage drilling sealing material, its composition is, 85~95% common cement and 5~15% additive, and its production method is: described additive is iron powder: aluminum powder, ammonium chloride, water-reducing Agent, pull-off powder, mixture of sodium thiosulfate and sodium chloride, iron powder: aluminum powder: ammonium chloride: water reducing agent: pull-off powder: sodium thiosulfate: sodium chloride=19000:1:160: 80:60:300:240.
[0033] The gas drainage drilling hole sealing material is composed of 91% ordinary cement and 9% additives.
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The invention discloses a gas extraction drilled hole sealing material.The gas extraction drilled hole sealing material is prepared from 85% to 95% of common cement and 5% to 15% of additive.A preparation method of the gas extraction drilled hole sealing material comprises the steps that the additive is a mixture of iron powder, aluminum powder, ammonium chloride, a water reducer, nekal, sodium thiosulfate and sodium chloride.The ratio of iron powder to aluminum powder to ammonium chloride to the water reducer to nekal to sodium thiosulfate to sodium chloride is 19,000:1:160:80:60:300:240.Compared with the prior art, the material is low in cost and good in sealing and extraction effect.
Description
technical field [0001] The invention relates to a gas drainage drilling hole sealing material. Background technique [0002] As we all know, the quality of gas drainage drilling and sealing is related to the safety of coal mine production. It is an indisputable fact that ordinary cement is used directly, and the sealing quality is poor. At present, the material with better sealing effect is expansive cement, but the price of expansive cement is high, and the cost of sealing holes is also greatly increased. Therefore, it is a technical problem to be solved at present to study a kind of gas drainage drilling sealing material which is not only low in cost but also has a good plugging and drainage effect. Contents of the invention [0003] The technical problem to be solved by the invention is to provide a gas drainage drilling sealing material with low cost and good plugging and drainage effect. [0004] The technical scheme that the present invention solves its technical p...
Claims
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IPC IPC(8): C09K8/473C04B28/00C04B38/02
CPCC04B28/00C04B2111/00724C09K8/473C04B22/04C04B22/124C04B2103/302C04B22/14C04B24/20C04B38/02
Inventor 李新潮吕栋男冯玉龙胡彬健刘凯
Owner JIZHONG ENERGY FENGFENG GRP