Swirl combustor with vortex burning and mixing
阅读：793发布：2022-11-12
专利汇可以提供Swirl combustor with vortex burning and mixing专利检索，专利查询，专利分析的服务。并且This disclosure sets forth an engine wherein the combustion section includes a combustor with a main combustion burner having a hot fluid injected thereinto from a pilot burner. A multiplicity of swirling jets of a cooler oxidizer fluid are directed into the combustor for engaging with the hot pilot fluid. The swirling jets are directed through tubes built into the combustor wall. Fuel is directed into the main combustion burner into the area of mixed pilot hot flow and cooler swirling jet flow. This fuel can be injected to flow in mixed with the hot flow from the pilot burner or mixed with the cooler oxidizer flow through the tubes.，下面是Swirl combustor with vortex burning and mixing专利的具体信息内容。
1. A method of carrying out a combustion process comprising the steps of:
1. directing hot gases into the upstream end of a confined volume,
2. forming a plurality of individual columns of an oxidizer, each swirling about its own axis,
2. A method as set forth in claim 1 wherein said oxidizer is air.
3. A method as set forth in claim 1 wherein the fuel is introduced in step 4 along with the hot gases of step 1.
3. directing said swirling columns of an oxidizer into said hot gases at the upstream end of the confined volume,
4. introducing a fuel in the mixed hot gases and oxidizer providing a combustible mixture,
4. A method as set forth in claim 1 wherein the fuel is introduced in step 4 along with the oxidizer of step 2.
5. A method as set forth in claim 1 wherein adjacent columns of an oxidizer in step 3 are formed having counter rotating swirling motions.
5. igniting said combustible mixture,
6. directing exhaust gases from the downstream end of said confined volume.
6. A method as set forth in claim 1 including the step of:
7. forming a combustion chamber as an annular chamber, wherein step 3 the swirling columns of an oxidizer are directed from both sides of said annular combustion chamber into said hot gases.
7. A method as set forth in claim 1 wherein step 5 the hot gases of step 1 have sufficient temperature to provide spontaneous ignition of the combustible mixture of step 4.
8. A method as set forth in claim 1 wherein step 2 an individual column of an oxidizer if formed by swirling an oxidizer around a straight jet of oxidizer.
9. A method as set forth in claim 8 wherein the fuel of step 4 is introduced into the swirling oxidizer and straight jet of oxidizer.
10. A method as set forth in claim 1 wherein Step 1 the confined volume is a combustion chamber.
11. A method as set forth in claim 1 wherein steps 1 and 3 the oxidizer in the swirling columns and the hot gases provide all of the oxygen for combustion in the confined volume.
12. A combustor including a main combustion chamber, a pilot combustion chamber connected at the upstream end thereof for directing a hot gas flow thereinto, means for forming and directing a plurality of swirling jets of air each swirling individually about its own axis into the upstream end of said main combustion chamber and hot gas flow so as to establish intimate contact with the hot gas flow from said pilot combustion chamber, means for directing a fuel into said main combustion chamber for mixing with the hot gas flow and intermixing swirling jets of air.
13. A combination as set forth in claim 12 wherein said means for directing a fuel into said main combustion chamber includes means for directing a fuel into said pilot combustion chamber so as to enter said hot gas flow and be carried from the pilot combustion chamber into the main combustion chamber.
14. A combination as set forth in claim 12 wherein said means for directing a fuel into said main combustion chamber includes means for directing fuel into a plurality of each of the swirling jets of air prior to entering said main combustion chamber.
15. A combination as set forth in claim 12 wherein said means for forming and directing a plurality of swirling jets of air into said main combustion chamber comprises individual tubes fixed to said main combustion chamber adjacent its upstream end, said tubes having swirling means located therein to impart rotary motion to air passing therethrough.
16. A combination as set forth in claim 15 wherein said tubes have vanes located therein to swirl flow passing through the tube.
17. A combination as set forth in claim 12 wherein said main combustion chamber is annular.
18. A combination as set forth in claim 17 wherein said pilot combustion chamber has an annular discharge which is concentric with the annular main combustion chamber.
19. A combination as set forth in claim 21 wherein said main combustion chamber is formed having a diverging transition member at its forward end, said diverging transition member having a small forward opening and a larger rearward opening which is connected to the outer wall of the combustion chamber, said pilot combustion chamber being connected to the small forward opening of said diverging transition member, fixed to the diverging transition member a plurality of tubes of said main combustion chamber, said tubes having swirling means located therein.
20. A combination as set forth in claim 19 wherein said tubes are directed at an angle to the hot gas flow from said pilot combustion chamber as it enters into the main combustion chamber.
21. A combination as set forth in claim 20 wherein said tubes are placed in pairs, said areas between said pairs of tubes being blocked to prevent flow around said tubes.
22. A combination as set forth in claim 12 wherein the means for forming and directing a plurality of swirling jets of air provides all of the air added to the hot gases for combustion in the main combustion chamber.
23. A combination as set forth in claim 12 wherein said pilot combustion chamber forms its hot gas flow at a temperature which will provide spontaneous ignition when said hot gas, swirling jets of air and fuel mix within the combustion chamber.
24. A combination as set forth in claim 15 wherein said means for forming and directing a plurality of swirling jets of air into said main combustion chamber comprises smaller tubes positioned within said individual tubes for forming a straight jet of air at the center of said swirling jet.
25. A combination as set forth in claim 24 wherein said smaller tubes are positioned within said individual tubes by swirl vanes located therebetween.
26. A combination as set forth in claim 24 wherein said means for direCting a fuel into said main combustion chamber includes means for directing fuel into air upstream of said swirling means.
27. A combination as set forth in claim 12 wherein said means for forming and directing a plurality of swirling jets of air into said main combustion chamber has means to direct said swirling jets at an angle to the hot gas flow from said pilot combustion chamber as it enters into the main combustion chamber.
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