Pulsed compression reactors and methods for their operation

Patent metadata

Field	Value
Publication number	US-11925923-B2
Application number	US-202217887701-A
Country	US
Kind code	B2
Filing date	Aug 15, 2022
Priority date	Oct 24, 2017
Publication date	Mar 12, 2024
Grant date	Mar 12, 2024

Abstract

A pulsed compression reactor may include a reactor housing, a spring piston, and a driver piston. The reactor housing may define an interior volume, and may include a first passage and a second passage which lead to the interior volume. The spring piston may be positioned within the interior volume, wherein the spring piston and the reactor housing at least partially define a perimeter of a gas spring buffer chamber within the interior volume. The driver piston may be positioned within the interior volume, wherein the spring piston, the driver piston, and the reactor housing at least partially define a perimeter of a reaction chamber within the interior volume.

First claim

The invention claimed is:

1. A pulsed compression reactor comprising:
a reactor housing comprising a rotor and a stator, the rotor comprising an interior volume, wherein the rotor is configured to spin on a central axis of the reactor housing, and wherein the rotor comprises at least a first passage in fluid communication with the interior volume; and
one or more pistons positioned in the interior volume and adapted to translate in the direction of the central axis;
wherein the first passage aligns with one or more passages in the stator as the rotor spins on the central axis to allow for fluid communication between the stator and the interior volume;
wherein the stator comprises a reactant gas passage, and a reactant gas enters the interior volume when the reactant gas passage of the stator is aligned with the first passage of the rotor; and
wherein the one or more pistons comprises a spring piston which is configured to translate when the reactant gas enters the interior volume.

2. The pulsed compression reactor of claim 1 , wherein the rotor comprises a second passage, and a driver gas enters the interior volume when the second passage of the rotor is aligned with a driver gas inlet passage of the stator.

3. The pulsed compression reactor of claim 2 , wherein the one or more pistons comprises a driver piston which is configured to translate when the driver gas enters the interior volume.

4. The pulsed compression reactor of claim 1 , wherein the stator comprises a product gas passage and a product gas exits the interior volume when the product gas passage of the stator is aligned with the first passage of the rotor.

5. The pulsed compression reactor of claim 4 , wherein the rotor comprises a second passage, and wherein the stator comprises a driver gas release passage and a driver gas exits the interior volume when the driver gas release passage of the stator is aligned with the second passage of the rotor.

6. A pulsed compression reactor comprising:
a reactor housing comprising a rotor and a stator, the rotor comprising an interior volume, wherein the rotor is configured to spin on a central axis of the reactor housing, and wherein the rotor comprises at least a first passage in fluid communication with the interior volume;
one or more pistons positioned in the interior volume and adapted to translate in the direction of the central axis;
wherein the rotor is configured to spin in a direction and the one or more pistons is configured to spin in the same direction, and wherein the rotor is configured to spin at a non-constant velocity, such that the one or more pistons have an angular velocity which trails that of the rotor.

7. The pulsed compression reactor of claim 6 , wherein the one or more pistons is configured to spin at a non-constant velocity.

8. The pulsed compression reactor of claim 6 , wherein the first passage aligns with one or more passages in the stator as the rotor spins on the central axis to allow for fluid communication between the stator and the interior volume.

Assignees

• Dow Global Technologies Llc

Inventors

• Biesheuvel Cornelis
• De Kok Adrianus C
• Pelt Hendrik L
• Kamperman Wim M

Classifications

• B01J3/042 Primary

  in the form of a tube · CPC title

• B01J3/002

  Component parts of these vessels not mentioned in B01J3/004, B01J3/006, B01J3/02 - B01J3/08; Measures taken in conjunction with the process to be carried out, e.g. safety measures · CPC title

• B01J3/02

  Feed or outlet devices therefor · CPC title

• B01J19/185

  of the pulsating type · CPC title

• B01J19/241 Primary

  of the pulsating type · CPC title