초록 ▼

Injection nozzles for use in a gas distribution device are disclosed. In one aspect, the injection nozzle may include: a tube having a fluid inlet and a fluid outlet; wherein the inlet comprises a plurality of flow restriction orifices. In another aspect, embodiments disclosed herein relate to an in

Injection nozzles for use in a gas distribution device are disclosed. In one aspect, the injection nozzle may include: a tube having a fluid inlet and a fluid outlet; wherein the inlet comprises a plurality of flow restriction orifices. In another aspect, embodiments disclosed herein relate to an injection nozzle for use in a gas distribution device, the injection nozzle including: a tube having a fluid inlet and a fluid outlet; wherein the fluid inlet comprises an annular orifice surrounding a flow restriction device. Injection nozzles according to embodiments disclosed herein may be disposed in a gas distribution manifold used in a vessel, for example, for conducting polymerization reactions, spent catalyst regeneration, and coal gasification, among others.

대표청구항 ▼

1. A gas distribution apparatus, comprising: a distribution manifold in fluid communication with a gas source and a plurality of injection nozzles;each of the plurality of injection nozzles comprising a fluid inlet disposed within the distribution manifold and a fluid outlet;wherein the fluid inlet

1. A gas distribution apparatus, comprising: a distribution manifold in fluid communication with a gas source and a plurality of injection nozzles;each of the plurality of injection nozzles comprising a fluid inlet disposed within the distribution manifold and a fluid outlet;wherein the fluid inlet comprises a plurality of flow restriction orifices;wherein the plurality of flow restriction orifices comprises a plurality of radial flow restriction orifices distributed circumferentially through the tube; andwherein the plurality of radial flow restriction orifices are disposed through the tube a length L from an inlet axial end of the tube proximate the inlet, wherein the length L is less than 2 tube inner diameters. 2. The apparatus of claim 1, wherein the fluid outlet is proximate an outer circumference of the distribution manifold. 3. The apparatus of claim 1, wherein the tube outlet is external to an outer circumference of the distribution manifold. 4. The apparatus of claim 1, wherein an axial end of the tube proximate the plurality of radial flow restrictions orifices is capped. 5. The apparatus of claim 1, wherein a ratio of an inner diameter of the tube outlet to a diameter of a radial flow restriction orifice is greater than 2:1. 6. The apparatus of claim 1, wherein the plurality of flow restriction orifices are axially aligned with the tube. 7. The apparatus of claim 6, wherein a ratio of an axial length of the tube to an axial length of the plurality of flow restriction orifices is at least 4:1. 8. The apparatus of claim 6, wherein a ratio of an inner diameter of the tube outlet to a diameter of a flow restriction orifice is greater than 2:1. 9. The apparatus of claim 1, wherein a length of the tube is at least 5 times an inner diameter of the tube outlet. 10. A vessel comprising the apparatus of claim 1 disposed within the vessel. 11. The vessel of claim 10, wherein the vessel comprises at least one of a spent catalyst regenerator, a polymerization reaction vessel, and coal gasification. 12. A gas distribution apparatus, comprising: a distribution manifold in fluid communication with a gas source and a plurality of injection nozzles;each of the plurality of injection nozzles comprising a fluid inlet disposed within the distribution manifold and a fluid outlet;wherein the inlet comprises an annular orifice surrounding a flow restriction device,wherein the flow restriction device comprises a disk suspended in the center of the inlet. 13. The apparatus of claim 12, wherein the fluid outlet is proximate an outer circumference of the distribution manifold. 14. The apparatus of claim 12, wherein the tube outlet is external to an outer circumference of the distribution manifold (tube outlet terminates at a radial distance greater than that of the manifold). 15. The apparatus of claim 12, wherein a width of the annular orifice is between 0.05 and 0.25 times an inner diameter of the tube. 16. The apparatus of claim 12, wherein a length of the flow restriction device is between 0.1 and 0.9 times a length of the tube. 17. A vessel comprising the apparatus of claim 12 disposed within the vessel. 18. The vessel of claim 17, wherein the vessel comprises at least one of a spent catalyst regenerator, a polymerization reaction vessel, and coal gasification.