Combustion chamber of a gas turbine with bolted combustion chamber head
A combustion chamber of a gas turbine having a head plate and a combustion chamber head, where the head plate is connected to the combustion chamber, and where several heat shields arranged in the interior of the combustion chamber are bolted to the head plate, characterized in that each heat shield and the combustion chamber head are fastened to the head plate by means of joint bolted connections.
1. A combustion chamber of a gas turbine comprising:
a combustion chamber wall;
a head plate connected to the combustion chamber wall, the head plate including a plurality of tubular fastening projections facing a combustion chamber head;
the combustion chamber head including a plurality of fastening sleeves projecting into an interior of the combustion chamber head, the plurality of fastening sleeves aligning respectively with the plurality of tubular fastening projections,
a plurality of heat shields arranged in an interior of the combustion chamber,
a plurality of bolted connections fastening the plurality of heat shields to the head plate, a portion of the plurality of bolted connections each fastening both the combustion chamber head and one of the plurality of heat shields to the head plate, wherein each of the portion of the plurality of bolted connections includes a cylindrical shaft portion connected to the one of the plurality of heat shields and passing through a respective one of the plurality of tubular fastening projections into a respective one of the plurality of fastening sleeves and the each of the portion of the plurality of bolted connections causes the respective one of the plurality of tubular fastening projections to engage the respective one of the plurality of fastening sleeves.
2. The combustion chamber in accordance with claim 1 , wherein the portion of the plurality of bolted connections each fastening both the combustion chamber head and the one of the plurality of heat shields to the head plate is fewer than the plurality of bolted connections fastening the plurality of heat shields to the head plate.
3. The combustion chamber in accordance with claim 2 , wherein the combustion chamber head includes access recesses for access to the plurality of bolted connections.
4. The combustion chamber in accordance with claim 1 , wherein the fastening sleeves include air passage openings.
5. The combustion chamber in accordance with claim 4 , wherein the combustion chamber head is formed as a complete ring.
6. The combustion chamber in accordance with claim 4 , wherein the combustion chamber head is formed by a plurality of separate segments.
7. The combustion chamber in accordance with claim 1 , wherein the combustion chamber head is manufactured by additive production.
8. The combustion chamber in accordance with claim 1 , wherein the combustion chamber head includes access recesses for access to the plurality of bolted connections.
9. The combustion chamber in accordance with claim 8 , wherein the fastening sleeves project into the interior of the combustion chamber head, in an area of the access recesses.
10. The combustion chamber in accordance with claim 9 , wherein the fastening sleeves include air passage openings.
11. The combustion chamber in accordance with claim 10 , wherein the combustion chamber head is formed as a complete ring.
12. The combustion chamber in accordance with claim 10 , wherein the combustion chamber head is formed by a plurality of separate segments.
13. The combustion chamber in accordance with claim 1 , wherein the fastening sleeves include air passage openings.
14. The combustion chamber in accordance with claim 1 , wherein the combustion chamber head is formed as a complete ring.
15. The combustion chamber in accordance with claim 1 , wherein the combustion chamber head is formed by a plurality of separate segments.