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Extraction pipe butt joint structure

An extraction tube and butt joint technology, applied in the field of extraction tube butt joint structure, can solve the problems of high bolt pre-tightening force, bolt breakage, etc., and achieve the effects of good sealing, improved connection reliability and service life

Pending Publication Date: 2019-11-08
南通睿智超临界科技发展有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing extraction pipe butt joint structure generally adopts a flange butt joint structure. In this structure, the pipeline pressure acts on the end face of the butt flange, and the ultimate pressure reaches 5Mpa, so that the flange face is locked. Bolts have too high a bolt pre-tightening force, which can lead to breakage of the bolts. The present invention provides an extraction pipe butt joint structure to solve the above problems

Method used

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Embodiment Construction

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.

[0021] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential", etc. The indicated orientation or positional relationship is based ...

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Abstract

The invention provides an extraction pipe butt joint structure. The extraction pipe butt joint structure comprises a first extraction pipe and a second extraction pipe; a first butt joint port which is protruded outwards along the circumferential direction is formed at the lower end of the first extraction pipe; a second butt joint port which is protruded outwards along the circumferential direction is formed at the upper end of the second extraction pipe; the extraction pipe butt joint structure also comprises locking mechanisms and sealing rings; the locking mechanisms are arranged on the first butt joint port and the second butt joint port; the sealing rings are arranged in inner holes of the first extraction pipe and the second extraction pipe; the outer wall of the sealing ring is hermetically connected with the inner wall of the first extraction pipe; and the outer wall of the sealing ring is hermetically connected with the inner wall of the second extraction pipe. The locking mechanisms are arranged on the outer walls of the first butt joint port and the second butt joint port, the sealing rings are arranged in the inner holes of the first extraction pipe and the second extraction pipe and liquid in the pipelines are not liable to arrive at the end face of a butt joint part, so that the problem of high pressure on the end face of the butt joint part is solved.

Description

technical field [0001] The invention relates to the field of critical extraction, in particular to an extraction tube butt joint structure. Background technique [0002] With the development and progress of society, critical extraction technology is more and more applied to industrial production, and the solvent strength of supercritical fluid depends on the temperature and pressure of extraction. Utilizing this feature, only by changing the pressure and temperature of the extractant fluid, the different components in the sample can be extracted successively according to the solubility in the fluid, and the weakly polar substances are extracted first under low pressure, and as As the pressure increases, the polar and large molecular weight substances and their basic properties, so supercritical extraction under programmed pressure increase can obtain different extraction components, and at the same time, it can also play a role in separation. [0003] The existing extractio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L23/032F16L23/024F16L23/18
CPCF16L23/032F16L23/024F16L23/18
Inventor 赵亚平
Owner 南通睿智超临界科技发展有限公司
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