Separating and dedusting recovery system based on coring drilling construction

A recovery system and coring technology, which is applied in earthwork drilling, wellbore/well components, construction, etc., to achieve the effects of high automation, environmental protection and broad application prospects

Inactive Publication Date: 2015-03-11
CHINA RAILWAY ERYUAN ENG GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, when percussion drilling breaks rocks, a large amount of broken particles and dust will appear, and a large amount of water will be sprayed

Method used

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  • Separating and dedusting recovery system based on coring drilling construction
  • Separating and dedusting recovery system based on coring drilling construction
  • Separating and dedusting recovery system based on coring drilling construction

Examples

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[0020] The present invention will be further described below with reference to the drawings and embodiments.

[0021] Reference figure 1 The separation dust removal and recovery system based on drilling and coring construction of the present invention includes: a recovery device 20, sleeved on the drill pipe 1 and fixedly installed at the upper end of the pipe casing 2, with a recovery shell 21 and a recovery chamber communicating with it The recovery outlet end 23, the recovery inlet end 26; the separation device 30, which has a separation shell 31 and a separation inlet end 31, a separation outlet end 33, and a solid-liquid discharge end 34 communicating with its separation chamber; the dust removal device 50 has a collection shell 51 and the collection inlet end 52 communicating with the collection chamber, the exhaust channel 53, and the dust collection port 56; the suction generating device generates suction in the exhaust channel 53. The recovery outlet end 23 is connected ...

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Abstract

The invention discloses a separating and dedusting recovery system based on coring drilling construction capable of effectively separating and recovering the water, mud and dust generated during the percussive drilling construction and effectively protecting the environment for the construction site and the health for the operators. The separating and dedusting recovery system based on coring drilling construction comprises a recovering device sleeved on a drill rod and fixedly mounted at the upper end of a casing sleeve, the recovering device comprises a recovering shell and a recovering outlet end, a recovering inlet end connected with the recovering cavity; a separating device, comprising a separating shell and a separating inlet end, a separating outlet, and a solid-liquid discharge end connected with the separating cavity; a dedusting device, comprising a collecting shell, a collecting inlet end, an exhaust passage and a dust collecting port connected with the collecting cavity; a suction generating device capable of generating the suction in the exhaust passage; the recovering outlet end is connected with the separating inlet end through a first pipeline while the separating outlet end is connected with the collecting inlet end through a second pipeline.

Description

technical field [0001] The invention relates to an engineering survey drilling rig, in particular to a separation, dust removal and recovery system based on drilling and coring construction. Background technique [0002] Railway engineering survey occupies a very important position in railway construction and is the most basic work in the entire railway construction project. It not only directly affects the rationality of the entire design scheme, but also directly relates to the budget of the entire railway project. Therefore, it is particularly important to obtain complete, accurate and reliable core data from the borehole as much as possible. [0003] In the investigation of railway engineering, we often encounter accumulation strata formed by geological phenomena such as weathering and transportation, such as weathering, riverbed, landslide, engineering backfill and other accumulation strata. The accumulation of mud and other fillings, the formation is loose, the cement...

Claims

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Application Information

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IPC IPC(8): E21B21/015
CPCE21B21/015E21B21/063E21B21/067E21B21/07
Inventor 楼日新张雨露刘泽军常兴旺侯锦吴俊猛
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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