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Turbine repair methods and quality standards Section 1 cylinder, the structure outlined: high pressure cylinder away from a double-cylinder structure, each cylinder horizontally into the equatorial plane of the upper and lower halves, the upper and lower cylinder at the level of engagement surface connected together by studs. High-pressure cylinder is divided into 11 (including a speed stage name). A set of nozzles, is divided into four parts, the steam enters the first stage through the nozzle. 4 inlet conduit through two cylinders (inside and outside the cylinder) the upper and lower into the nozzle. Front outer cylinder, rear end labyrinth seal steam to ensure that the steam does not leak through the rotor cylinder. Supported by the outer cylinder around 4 catlike, suspended in the cylinder adjacent to the bearing housing. Within the cylinder support by four fixed guide on both sides (cross pin dead) it suspended in the outer cylinder joints inside and with two lower track holds its lower position. These support to ensure that the cylinder axis arranged around the rotor and the rotor to maintain a consistent centerline. Figure 5-01 in the cylinder is divided into 12, a group of inlet nozzle, is divided into two parts, each of the upper and lower cylinder directly into the blade passage. Within the cylinder assembly before 9 in the cylinder, after three separator assembly kit. Front and rear ends of the outer cylinder steam seal means also set.肑 same pressure cylinder and high pressure cylinder support support, but its expansion fixed point (BDC) at the rear end of the cat's claw, which can only move forward in the expansion cylinder pad slide, and through the high-pressure cylinder connecting rod driven by high pressure cylinder slide (see Figure 5-02) consists of two separate low-pressure cylinder extend parts: a exhaust hood (ie outside the cylinder), which communicates and condenser throat and subjected to atmospheric pressure. At the top with two safety explosion-proof doors, when the internal pressure exceeds atmospheric pressure can break the film on their own. And in front, the rear end (after the last stage blades) Set water temperature reduction means, in the case of abnormal temperature, low-pressure cylinder water cooled exhaust parts. The exhaust hood is supported directly based on the platform, divided along the horizontal axis to the equatorial plane, the next two and a half. A symmetrical flow path within the cylinder, two flow channels each 5 total 10, including all settings separator tank. Supported by the lower cylinder horizontal position within the cylinder joints. Anchor select the next node outer cylinder reinforcement member. Front outer cylinder, the rear end has also set up a steam seal, except that the steam jacket and the cylinder are separated, and the outside of the cylinder. Section II: rotor 1, the structure outlined: the unit a total of high, medium and low voltage three rotors, respectively, high, medium and low pressure cylinder supporting the load. The rotor is machined from solid forgings made (whole rotor), including the impeller, thrust plate, together with the back wheel etc forging processing. Grooves on the circumference of the impeller is used to install harmful solid blade. In order to adjust the balance of the rotor, the impeller side car in some of these annular grooves, the annular groove in the first high-pressure rotor, the fifth, the tenth stage, the pressure of the rotor on one, four, eight, twelve, low pressure rotor F11-1, F12-1, F11-4, F12-4 grade on. High pressure rotor comprises: 11 impeller (including an adjustment level). Pressure rotor connected with the flange (back wheel). Thrust balance disc. Both before and after journal pressure rotor comprises: 12 impeller