Exhaust steam diffusion flow guide structure of steam turbine

Abstract

The utility model relates to the technical field of steam turbines, in particular to a steam turbine steam exhaust diffusion flow guide structure which comprises a second shell, an air collection assembly is connected to the edge of the surface of the second shell in a penetrating mode, a round hole is formed in the middle of the surface of the second shell, and supporting assemblies are fixedly connected to the two sides of the inner wall of the round hole. The middle of the surface of the supporting assembly is slidably connected with a stress assembly. Through the arrangement of the air collecting assembly, the supporting assembly, the stress assembly and the limiting assembly, when air flow enters the device from the air collecting pipe in the first shell during use, the air flow can apply pressure to the fixing frame and the stress frame, and the fixing frame and the stress frame can be arranged in an inclined thread shape in cooperation with a fixing column on the fixing plate and a rotary knob on a threaded column; and the rotating fixing frame can slow down the flow speed of the air flow, so that the air flow can uniformly enter the flow dividing column with the flow dividing frame, and the effect of uniformly discharging the air flow is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steam turbines, in particular to a steam turbine exhaust pressure expansion and flow guiding structure. Background Art

[0002] A steam turbine is a device that can convert thermal energy into mechanical energy. It is mainly used in power generation, ship propulsion, industrial production and other fields. The steam turbine uses the principle of thermodynamics to spray high-temperature and high-pressure steam into the turbine, and the rotation of the turbine drives the generator or other equipment to rotate, thereby generating electrical energy or mechanical energy. Due to the high efficiency, long life and reliability of steam turbines, it is widely used in various fields.

[0003] An existing steam turbine exhaust pressure diffuser and guide structure is difficult to discharge the airflow more evenly during use, resulting in large overall power consumption and high energy consumption of the steam turbine. Utility Model Content

[0004] The utility model aims to provide a steam turbine exhaust pressure diffuser and flow guide structure to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A steam turbine exhaust pressure expansion and guide structure includes a second shell, an edge of the second shell surface is connected with a wind collecting component, a circular hole is opened in the middle of the second shell surface, both sides of the inner wall of the circular hole are fixedly connected with a supporting component, the middle of the support component surface is slidably connected with a force-bearing component, a limiting hole is opened in the middle of the support component surface, the internal thread of the limiting hole is connected to the limiting component, and a diverter component is clamped inside the second shell.

[0007] The air collecting component includes a first shell, the middle part of the back side of the first shell is connected to the edge of the second shell surface, a mounting hole is opened in the middle of the first shell surface, and an air collecting pipe is fixedly connected inside the mounting hole.

[0008] The support assembly includes a fixing plate, two sides of which are fixedly connected to two sides of a circular hole opened on the surface of the second shell, a fixing column is fixedly connected to the middle of the surface of the fixing plate, and a threaded hole is opened in the middle of the surface of the fixing column.

[0009] The force-bearing component comprises a column, the interior of the column is slidably connected to the middle of the surface of the fixed column, the surface of the column is fixedly connected to a fixing frame, and the surface of the fixing frame is fixedly connected to a force-bearing frame.

[0010] The limiting assembly comprises a threaded column, the surface of which is threadedly connected to a threaded hole opened in the middle of the surface of the fixing column, and one end of the threaded column is fixedly connected to a knob.

[0011] The flow splitter assembly comprises a flow splitter column, the surface of which is clamped in the interior of the second shell, and one end of the flow splitter column is fixedly connected to a flow splitter frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The steam turbine exhaust pressure expansion guide structure is provided with an air collecting component, a supporting component, a force-bearing component and a limiting component. When the airflow enters the interior of the device from the air collecting pipe in the first shell during use, the airflow will exert pressure on the fixing frame and the force-bearing frame. The fixing column on the fixing plate and the knob on the threaded column can make the fixing frame and the force-bearing frame arranged in an inclined threaded shape, so that the fixing frame and the force-bearing frame can rotate. The rotating fixing frame will slow down the flow rate of the airflow, so that the airflow can evenly enter the diversion column with the diversion frame, thereby achieving a uniform discharge effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the wind collection component of the utility model;

[0016] Figure 3 It is a schematic diagram of the fixing component, the force-bearing component and the limiting component of the utility model;

[0017] Figure 4 It is a schematic diagram of the shunt component of the utility model.

[0018] In the figure: 1. second shell; 2. air collecting assembly; 201. first shell; 202. air collecting pipe; 3. supporting assembly; 301. fixing plate; 302. fixing column; 4. force-bearing assembly; 401. column; 402. fixing frame; 403. force-bearing frame; 5. limiting assembly; 501. threaded column; 502. knob; 6. diversion assembly; 601. diversion column; 602. diversion frame. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0021] A steam turbine exhaust pressure expansion and guide structure comprises a second shell 1, a wind collecting component 2 is connected through the edge of the surface of the second shell 1, a circular hole is opened in the middle of the surface of the second shell 1, two sides of the inner wall of the circular hole are fixedly connected with a support component 3, a force bearing component 4 is slidably connected to the middle of the surface of the support component 3, a limiting hole is opened in the middle of the surface of the support component 3, a limiting component 5 is connected to the inner thread of the limiting hole, and a flow diversion component 6 is clamped inside the second shell 1;

[0022] By setting the air collecting component 2, the supporting component 3, the force bearing component 4 and the limiting component 5, when the airflow enters the interior of the device from the air collecting pipe 202 in the first shell 201 during use, the airflow will exert pressure on the fixing frame 402 and the force bearing frame 403, and the fixing column 302 on the fixing plate 301 and the knob 502 on the threaded column 501 can make the fixing frame 402 and the force bearing frame 403 arranged in an inclined thread shape, so that the fixing frame 402 and the force bearing frame 403 can rotate, and the rotating fixing frame 402 can slow down the flow rate of the airflow, so that the airflow can evenly enter the diverter column 601 with the diverter frame 602, thereby achieving a uniform discharge effect;

[0023] The air collecting assembly 2 includes a first shell 201, the middle of the back of the first shell 201 is connected to the edge of the surface of the second shell 1, and a mounting hole is opened in the middle of the surface of the first shell 201, and the inside of the mounting hole is fixedly connected with the air collecting pipe 202;

[0024] The support assembly 3 includes a fixing plate 301, two sides of the fixing plate 301 are fixedly connected to two sides of a circular hole opened on the surface of the second shell 1, a fixing column 302 is fixedly connected to the middle of the surface of the fixing plate 301, and a threaded hole is opened in the middle of the surface of the fixing column 302;

[0025] The force bearing component 4 includes a column 401, the interior of the column 401 is slidably connected to the middle of the surface of the fixed column 302, the surface of the column 401 is fixedly connected to a fixing frame 402, and the surface of the fixing frame 402 is fixedly connected to a force bearing frame 403;

[0026] The limiting assembly 5 includes a threaded column 501, the surface of the threaded column 501 is threadedly connected to a threaded hole opened in the middle of the surface of the fixing column 302, and one end of the threaded column 501 is fixedly connected to a knob 502;

[0027] The flow splitter assembly 6 includes a flow splitter column 601 . The surface of the flow splitter column 601 is snap-fitted to the inside of the second housing 1 . One end of the flow splitter column 601 is fixedly connected to a flow splitter frame 602 .

[0028] When a steam turbine exhaust expansion guide structure of the present embodiment is in use, when the airflow enters the interior of the device from the air collecting pipe 202 in the first shell 201, the airflow will exert pressure on the fixed frame 402 and the force frame 403, and the fixed column 302 on the fixed plate 301 and the knob 502 on the threaded column 501 can make the fixed frame 402 and the force frame 403 arranged in an inclined threaded shape, so that the fixed frame 402 and the force frame 403 can rotate, and the rotating fixed frame 402 will slow down the flow rate of the airflow, so that the airflow can evenly enter the diversion column 601 with the diversion frame 602, thereby achieving a uniform discharge effect.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A steam turbine exhaust pressure diffuser and flow guide structure, comprising a second casing (1), characterized in that: An air collecting component (2) is connected through the edge of the surface of the second shell (1), a circular hole is provided in the middle of the surface of the second shell (1), support components (3) are fixedly connected to both sides of the inner wall of the circular hole, a force-bearing component (4) is slidably connected to the middle of the surface of the support component (3), a limiting hole is provided in the middle of the surface of the support component (3), the internal thread of the limiting hole is connected to the limiting component (5), and a flow diversion component (6) is clamped inside the second shell (1).

2. A steam turbine exhaust pressure diffuser and flow guide structure according to claim 1, characterized in that: The air collecting component (2) comprises a first shell (201), the middle portion of the back side of the first shell (201) is connected to the edge of the surface of the second shell (1), a mounting hole is provided in the middle portion of the surface of the first shell (201), and an air collecting pipe (202) is fixedly connected to the interior of the mounting hole.

3. The steam turbine exhaust pressure diffuser and flow guide structure according to claim 1, characterized in that: The support assembly (3) comprises a fixing plate (301), two sides of the fixing plate (301) being fixedly connected to two sides of a circular hole provided on the surface of the second shell (1), a fixing column (302) being fixedly connected to the middle of the surface of the fixing plate (301), and a threaded hole being provided in the middle of the surface of the fixing column (302).

4. The steam turbine exhaust pressure diffuser and flow guide structure according to claim 1, characterized in that: The force-bearing component (4) comprises a column (401), the interior of the column (401) being slidably connected to the middle of the surface of the fixed column (302), the surface of the column (401) being fixedly connected to a fixing frame (402), and the surface of the fixing frame (402) being fixedly connected to a force-bearing frame (403).

5. The steam turbine exhaust pressure diffuser and flow guide structure according to claim 3, characterized in that: The limiting assembly (5) comprises a threaded column (501), the surface of the threaded column (501) being threadedly connected to a threaded hole opened in the middle of the surface of the fixing column (302), and one end of the threaded column (501) being fixedly connected to a knob (502).

6. The steam turbine exhaust pressure diffuser and flow guide structure according to claim 1, characterized in that: The flow splitter assembly (6) comprises a flow splitter column (601), the surface of the flow splitter column (601) being snap-fitted to the interior of the second housing (1), and one end of the flow splitter column (601) being fixedly connected to a flow splitter frame (602).

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