Novel hot water core drill bit for drilling ice layer
A new type of core drilling technology, applied in ice drilling, thermal drilling, earthwork drilling, etc., can solve the problems of low efficiency of ice cores, difficulty in obtaining irregular ice cores, etc., and achieves simple structure and reasonable design. Effect
Pending Publication Date: 2018-12-18
JILIN UNIV
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Problems solved by technology
[0003] The purpose of the present invention is to provide a new type of hot water core drill for ice layer drilling in order to solve the problems of difficulty in obtaining irregular ice cores and low efficiency of ice core extraction during the use of conventional hot water core drilling tools Tool
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[0019] see figure 1 with figure 2 Shown:
[0020] The new hot water core drilling tool for ice drilling provided by the present invention includes a pressure chamber 1, a drilling tool shell 2, an electromagnetic reversing valve 3, a switching power supply 4 and a trigger 5, wherein the drilling tool shell 2 It is fixed on the lower part of the pressure chamber 1, the upper part of the pressure chamber 1 is pierced with a water inlet pipe 6, the lower part of the pressure chamber 1 is pierced with a first water outlet pipe 7 and a second water outlet pipe 8, and the water outlet of the water inlet pipe 6 is connected with the first outlet pipe. The water inlets of the water pipe 7 and the second water outlet pipe 8 are connected through an electromagnetic reversing valve 3. The drilling tool housing 2 is provided with a first circulation pipeline 9 and a second circulation pipeline 10. The outlet of the first water outlet pipe 7 The water outlet is connected with the first ...
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The invention discloses a novel hot water core drill bit for drilling an ice layer. The novel hot water core drill bit comprises a pressure bin, a drill bit shell, electromagnetic reversing valves, aswitching power supply and a trigger; the drill bit shell is fixed to the lower portion of the pressure bin, a water inlet pipe penetrates through the upper portion of the pressure bin, a first wateroutlet pipe an a second water outlet pipe penetrate through the lower portion of the pressure bin, and a water outlet of the water inlet pipe is connected with water inlets of the first water outlet pipe and the second water outlet pipe through the electromagnetic reversing valves; a first circulating pipeline and a second circulating pipeline are arranged inside the drill bit shell, a water outlet of the first water outlet pipe is communicated with the first circulating pipeline, a water outlet of the second water outlet pipe is communicated with the second circulating pipeline, vertical nozzles are arranged at the lower end of the first circulating pipeline, and a transverse pipeline is arranged at the lower end of the second circulating pipeline. The novel hot water core drill bit has the advantages of being simple in structure and reasonable in design, after an ice core with a certain length is obtained, switching of a water channel can be automatically achieved, thus the ice coreis timely molten, and the ice cores of various irregular shapes can be obtained.
Description
technical field [0001] The invention relates to a hot water core drilling tool, in particular to a new hot water core drilling tool used for ice layer drilling. Background technique [0002] Currently, polar ice caps and glaciers contain layers of ancient ice that accumulated in an orderly fashion as snowflakes fell millions of years ago. The dust particles, soluble chemicals, and gases trapped in the ice are often used to study the past. climate change. Ice cores contain rich climate information, which can provide pure past greenhouse gases and accurate ancient climate information. In order to obtain ice cores, scientists from various countries have designed various core drilling tools, which have been put into use in polar regions. The hot water core drilling technology has the characteristics of fast drilling speed and no drilling fluid pollution, and is widely used in ice core drilling. However, one disadvantage of hot water core drilling is that the surface of the ic...
Claims
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Login to View More IPC IPC(8): E21B7/00E21B7/14E21B25/00
CPCE21B7/008E21B7/14E21B25/00
Inventor 刘安帕维尔达拉拉伊杨阳王如生范晓鹏张楠洪嘉琳陈艳吉张晗
Owner JILIN UNIV