Drill pipe device for mixed injection of various medicaments
A chemical and drill pipe technology, applied in the field of environmental remediation, can solve the problems of oxidative discount, the effect of remediating pollutants is lower than expected, etc., and achieve the effect of convenient construction
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[0023] The accompanying drawing discloses the specific structure of an embodiment of the present invention without limitation, and the present invention will be further described below in conjunction with the accompanying drawings.
[0024] The drill pipe device of the present invention is not only a carrier of chemicals, but also an actuator for drilling and perforating, and is used for drilling, perforating and injecting reagents on polluted bodies in soil and groundwater remediation technology. The injection requirements of different depths of pollution sources can be adapted by using single or multiple extended connecting rods.
[0025] Such as figure 1 As shown, the drill pipe of this embodiment is designed as a double-layer hollow casing structure. The top outer rod 5 and the top inner rod 4 are connected by threads, the extended outer rod 3 and the drill bit assembly 1 are connected by NPT threads, and the extended inner rod 2 and the drill bit assembly 1 are connected...
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