Method of fabricating concentric-tube catalytic reactor assembly
A method of fabricating a catalytic reactor assembly having an outer tube and an inner tube is provided. The method may include inserting a catalyst into the outer tube and inserting the inner tube through the catalyst. The method may further include radially expanding the inner tube against the catalyst.
1. A method of fabricating a catalytic reactor assembly having an outer tube and an inner tube, the method comprising:
inserting a catalyst into the outer tube;
inserting the inner tube through the catalyst;
radially expanding the inner tube against the catalyst using an internal swaging technique; and
trimming a length of the inner tube to a desired length.
2. The method of claim 1 , further including installing a cap onto an end of the outer tube and sealing the end of the outer tube.
3. The method of claim 1 , further including sealing a first end of the inner tube.
4. The method of claim 3 , wherein sealing the first end of the inner tube includes at least one of installing a compressing fitting and welding.
5. The method of claim 1 , wherein the internal swaging technique consists of forcing an expander attached to a drawbolt through the inner tube.
6. The method of claim 1 , wherein the catalyst is one of an annular catalyst, a cylindrical catalyst, and a toroidal catalyst.
7. The method of claim 6 , wherein the catalyst comprises one or more of particulates, pellets, and a coating disposed on a support structure.
8. The method of claim 1 , wherein the outer tube, the catalyst, and the inner tube are concentric.
9. The method of claim 1 , further including sealing a first end of the outer tube.
10. The method of claim 1 , wherein the catalyst is a pre-fabricated catalyst.
11. The method of claim 10 , wherein the pre-fabricated catalyst is configured to contact an inner surface of the outer tube.
12. The method of claim 11 , wherein the pre-fabricate catalyst is one of a cylindrical catalyst, a toroidal catalyst, and an annular catalyst.
13. The method of claim 12 , wherein the pre-fabricated catalyst comprises one or more of pellets, particulates, and a coating disposed on a support structure.
14. The method of claim 4 , further including sealing a second end of the inner tube, wherein sealing the second end of the inner tube includes one of installing a compressing fitting and welding.