Composite film separation nitrogen-preparing system and method for well drilling technique
A membrane separation system and composite membrane technology, applied in the field of industrial machinery manufacturing, can solve problems such as damage to the homogeneous membrane membrane tube, poor high temperature resistance of the homogeneous membrane, difficulty in quality control, etc. Large, anti-pollution effect
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[0024] The present invention will be further described below in conjunction with accompanying drawing:
[0025] As shown in Figure 1, the novel membrane separation nitrogen production system used in the drilling process in the present invention includes an air pretreatment system, a nitrogen membrane separation system and a nitrogen drilling process automatic control system, under the control of the nitrogen drilling process automatic control system , compressed air is output through an air pretreatment system and a nitrogen membrane separation system, and all equipment is placed in a box-type skid body 3; the air pretreatment system consists of a compressed air intake pipe 7, an air cooler 8, and an air filter group 11 It is connected with the air heater 5 in turn through a gas pipe; the nitrogen membrane separation system is composed of a composite membrane tube assembly 19 and a nitrogen output pipeline system; the nitrogen drilling process automatic control system is execut...
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