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Preparation device for magnetization-based anatonosis wetting agent for water injection of coal seam

A preparation device and coal seam water injection technology, which is applied in safety devices, chemical/physical/physicochemical processes of energy application, mining equipment, etc., can solve the lack of mine magnetization-based permeability-enhancing wetting agent preparation devices and the use of surfactants Large volume, unsatisfactory water injection effect, etc., to achieve the effect of improved solution permeability and activity, easy equipment installation, and improved magnetization efficiency

Inactive Publication Date: 2018-05-25
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the traditional method of adding surfactant can improve the wettability of water to the coal body, the permeability in the coal seam is poor and the wetting radius is small, resulting in unsatisfactory water injection effect and large amount of surfactant used ,high cost
In response to this problem, the inventors of the present application proposed the idea and method of using a magnetization-based permeation-enhancing wetting agent to improve the effect of coal seam water injection and dust reduction, but there is still a lack of a special preparation device for a mine-used magnetization-based permeation-enhancing wetting agent

Method used

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  • Preparation device for magnetization-based anatonosis wetting agent for water injection of coal seam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: Weigh 7 parts of penetrating agent di-sec-octyl maleate sulfonate sodium, 1 part of polyethylene glycol, and 2 parts of inorganic salt sodium chloride, and prepare an additive with a mass fraction of 0.005%-0.2% The solution is passed into the preparation device of a magnetization-based permeability-enhancing wetting agent for coal seam water injection at a flow rate of 2 m / s, and is magnetized in a 300 mT magnetic field for ten minutes to obtain a magnetization-based permeability-enhancing wetting agent, and its surface tension is measured.

[0032] Case number

Embodiment 2

[0033] Embodiment 2: Weigh 7 parts of penetrating agent fatty alcohol polyoxyethylene ether (carbon chain length 7-9), 1 part of polyethylene glycol, 2 parts of inorganic salt sodium chloride, and prepare 1% concentration solution at 2m / s The flow rate is passed into the preparation device of a magnetization-based permeation-enhancing wetting agent for coal seam water injection, and the magnetization-based permeation-enhancing wetting agent is obtained after magnetization in a 300mT magnetic field for ten minutes, and is formulated as an additive with a mass fraction of 0.05%-0.1%. solution and measure its surface tension.

[0034] Case number

Embodiment 3

[0035] Example 3: Weigh 9 parts of fatty alcohol polyoxyethylene ether, 9 parts of di-octyl sodium sulfosuccinate, 12 parts of alkylphenol ether sulfosuccinate sodium salt, di-sec-octyl maleate 10 parts of sodium sulfonate, 30 parts of sodium chloride, 15 parts of polyethylene glycol, uniformly mixed with water and configured as a 0.015% additive solution, flowed into the special magnetization bucket of the magnetizer at a flow rate of 2m / s, in a 300mT magnetic field Magnetize for 10 minutes and measure its surface tension.

[0036] Case number

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Abstract

The invention discloses a preparation device for a magnetization-based anatonosis wetting agent for the water injection of a coal seam. The preparation device comprises a magnetizer body, an outer bracket (8) and a magnetization generation barrel (1), wherein the magnetizer body comprises a motor (2), a revolving shaft (3), a magnet revolving bracket (4), external detachable permanent magnets (5)and agitating vanes (6); the upper shaft end of the revolving shaft (3) is connected with a rotating shaft of the motor (2), and passes through the magnet revolving bracket (4) and the agitating vanes(6) in sequence; the revolving bracket is fixedly provided with one pair of the permanent magnets (5); the motor (2) drives the revolving shaft (3) to rotate, and drives the magnet revolving bracket(4) and the external permanent magnets (5) to form a circular revolving magnetic field; fluid is horizontally cut by revolving magnetic induction lines to generate favorable synergistic coupling effect with the magnetic field; a molecular structure is changed; the activity and the osmosis performance is improved; the agitating vanes (6) are driven by the revolving shaft (3) to stir the fluid to form a vortex; the magnetization process is accelerated. The preparation device is high in magnetization efficiency and simple to operate; the permeation and wetting efficacy of the prepared and obtained magnetization-based anatonosis wetting agent are observably ameliorated, and the water injection efficiency of the coal seam is effectively improved.

Description

technical field [0001] The invention relates to a preparation device for a dust suppressant, which belongs to the technical field of coal mine dust prevention, in particular to a preparation device for a magnetization-based seepage-enhancing wetting agent for coal seam water injection. Background technique [0002] Coal mine dust is a general term for various rock ore particles produced during the construction and production of mines. The main links of mine production, such as mining, excavation, transportation, lifting, etc., will generate dust to varying degrees in almost all operating procedures. Coal dust not only has the danger of spontaneous combustion and explosion, but also may cause pneumoconiosis, which is one of the most serious occupational diseases that endanger the health of workers. Therefore, in coal mine safety production and occupational health work, dust prevention is very important. [0003] Coal seam water injection is to inject water into the coal sea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/08E21F5/02
CPCB01J19/087B01J2219/086E21F5/02
Inventor 王和堂轩吴凡张祖卓韩凯东盛鹏秦波涛
Owner CHINA UNIV OF MINING & TECH
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