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US 12,535,160 B2Granted
Boiler burner rigid lance
AssigneePetroleo Brasileiro S.A. - Petrobras
InventorWagner Henrique Saldanha
Life of this patent
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Abstract
Generally described, one or more aspects of the present disclosure relate to a rigid lance of a boiler burner device. The rigid lance includes a first tube having a first diameter, a second tube having a second diameter larger than the first diameter, a hexagonal bar connecting the first tube with the second tube, and a sealing gasket positioned between the first tube and the second tube.
Claims3
A rigid lance of a boiler burner device, the rigid lance comprising:
- a first tube having a longitudinally extended body, the longitudinally extending body including a first end, a second end comprising a shoulder, a first length, and a first diameter, wherein the first length is longer than the first diameter;
- a second tube having a longitudinally extended body with a first end comprising an external threaded portion, a second end, a second length, and a second diameter larger than the first diameter, wherein the second length is longer than the second diameter;
- a sealing gasket positioned between the second end of the first tube and the first end of the second tube and adjacent to the shoulder;
- a hexagonal bar comprising a first face positioned against the shoulder of the first tube and a threaded portion connecting to the external threaded portion of the second tube such that the shoulder is positioned interior to the hexagonal bar and the first tube is connected to the second tube;
- a burner nozzle connected to the first end of the first tube;
- and
- wherein the burner nozzle and the first length of the first tube are configured to be inserted into a boiler;
- and
- wherein the longitudinally extending body of the first tube, the longitudinal extending body of the second tube, and the burner nozzle are coaxial.
6 more elements
Dependencies are inferred from the claim text.