Spraying dust-reducing drill rod and method thereof

A technology for spray dust reduction and drill pipe, applied in drill pipe, dust prevention, drill pipe and other directions, can solve problems such as unfavorable workers' health and safety production, large on-site dust, etc., achieve good dust reduction effect, reduce dust harm, and facilitate The effect of promoting the application

Pending Publication Date: 2020-07-17
HUNAN UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to aim at the defects and deficiencies of the prior art, to provide a spray dust-suppressing drill pipe and its method, so as to solve the...

Method used

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  • Spraying dust-reducing drill rod and method thereof
  • Spraying dust-reducing drill rod and method thereof

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Embodiment Construction

[0017] see Figure 1 ~ Figure 2 As shown, the technical solution adopted in this specific embodiment is: it comprises a drill pipe 1, a drill pipe outer channel 2, a nozzle 3, a drill pipe inner passage 4, a tapered mouth 5, an O-shaped sealing ring 6, and the drill pipe 1 includes a drill pipe outer passage 2 and a drill pipe inner passage 4, the said drill pipe outer passage 2 is provided with a nozzle 3, and the top of the drill pipe 1 is processed with a conical nozzle 5, and the said conical nozzle 5 An O-ring seal 6 is installed on it.

[0018] Further, the outer channel 2 of the drill rod is cylindrical with a diameter of 5mm.

[0019] Further, there are three outer passages symmetrically distributed in the drill pipe 1 .

[0020] Further, the diameter of the nozzle 3 is 2 mm, and the inclination angle of the nozzle 3 is 30 degrees.

[0021] Further, three groups of nozzles 3 are evenly distributed on the drill pipe 1, and each group of nozzles 3 has three nozzles sy...

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Abstract

The invention discloses a spraying dust-reducing drill rod and a method thereof, and relates to the technical field of coal mine dust prevention. The drill rod comprises a drill rod body, a drill rodouter channel, a nozzle, a drill rod inner channel, a conical nozzle and an O-shaped sealing ring, the drill rod body comprises the drill rod outer channel and the drill rod inner channel, the nozzleis arranged on the drill rod outer channel, the conical nozzle is machined above the drill rod body, and the O-shaped sealing ring is installed on the conical nozzle. According to the spraying dust-reducing drill rod and the method thereof, the problems that during drilling construction, field dust is large, and physical health and safety production of workers are not facilitated are solved, the drill rod is used for spraying water in a drill hole to remove dust generated during drilling, the dust harm during drilling construction is greatly reduced, the structure is simple, the dust-reducingeffect is good, and application and popularization are convenient.

Description

technical field [0001] The invention relates to the technical field of coal mine dust prevention, in particular to a spray dust suppression drill pipe and a method thereof. Background technique [0002] In the process of coal mining, it is necessary to construct drilling holes in time for coal exploration, water exploration, geological structure exploration, gas drainage, etc. Whether it is rock drilling construction or coal seam drilling construction, a large amount of rock dust and coal dust will be generated. It is easily absorbed by workers into the lungs through breathing, causing severe pneumoconiosis and seriously threatening the health of workers. At the same time, dust is easy to pollute the work site, causing dust to diffuse on the construction site, obstructing workers' sight, and also burying hidden dangers for various accidents, which is not conducive to safe production. Although the dust is exhausted through ventilation during the drilling construction process...

Claims

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Application Information

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IPC IPC(8): E21B21/00E21B17/00E21F5/04E21C35/22
CPCE21B17/006E21B21/00E21C35/22E21F5/04
Inventor 赵鹏涛王海桥魏佳男徐东方马合意陈滔
Owner HUNAN UNIV OF SCI & TECH
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