Steam recovery device of steam turbine

Abstract

The utility model relates to the technical field of steam turbines, and discloses a steam recovery device of a steam turbine, which comprises a base, a box body and a cover plate, and the bottom of the box body is fixedly arranged on the top of the base. Through the arrangement of the base, the box body, the cover plate, the water pumping mechanism, the air inlet pipe, the exhaust mechanism, the condenser, the filtering mechanism and the positioning pin, the condenser is firstly opened, a steam pipe enters the box body from the air inlet pipe, steam makes contact with the condenser and steam to form steam water, the steam water is filtered through the filtering mechanism, and a small amount of gas is exhausted through the exhaust mechanism; the water pumping mechanism is started, steam water is pumped through the water pumping mechanism and is pumped to a designated position through a pipeline, the filtering mechanism is installed through a positioning pin, and the problem that in the prior art, steam is directly discharged outwards through an exhaust pipe and is not fully utilized, and consequently a large amount of steam is wasted is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steam turbines, and particularly relates to a steam recovery device for a steam turbine. Background Art

[0002] A steam turbine, also known as a steam turbine engine, is a rotary steam power device. High-temperature and high-pressure steam passes through a fixed nozzle to become an accelerated air flow and then jets onto the blades, causing the rotor equipped with the blade row to rotate and perform external work at the same time. A steam turbine is the main equipment of a modern thermal power plant and is also used in the metallurgical industry, chemical industry, and ship power plants.

[0003] When the steam turbine is working, steam is discharged through the exhaust pipe. The problem existing in the above technology is that in the prior art, steam is directly discharged to the outside through the exhaust pipe, and the steam is not fully utilized, resulting in a large amount of steam waste. Summary of the Utility Model

[0004] Aiming at the problems existing in the prior art, the utility model provides a steam recovery device for a steam turbine that can overcome or at least partially solve the above problems.

[0005] The utility model is realized as follows. A steam recovery device for a steam turbine includes a base, a box body, and a cover plate. It is characterized in that: the bottom of the box body is fixedly installed on the top of the base, the bottom of the cover plate is fixedly installed on the top of the box body, a water pumping mechanism is installed on the top of the base, an air inlet pipe is installed on the left side of the box body, an exhaust mechanism is installed on the right side of the box body, a condenser is installed in the inner cavity of the box body, a filtering mechanism is installed in the inner cavity of the box body, and a positioning pin is installed in the inner cavity of the box body.

[0006] In order to improve the extraction of steam water, preferably, the water pumping mechanism includes a first motor, a water tank, a first fan blade, and a pipeline. The bottom of the water tank is fixedly installed on the top of the base, the first fan blade is movably installed in the inner cavity of the water tank, the first fan blade is fixedly installed on the output end of the first motor, the bottom of the first motor is fixedly installed on the top of the base, the left side of the box body is fixedly connected to the right side of the water tank through the pipeline, and the right side of the pipeline is fixedly installed on the left side of the water tank. The first motor can rotate, the first motor drives the first fan blade to rotate, and the rotation of the first fan blade generates suction, thereby extracting the steam water in the inner cavity of the box body.

[0007] To improve the discharge of gas, preferably, the exhaust mechanism includes an exhaust pipe, a housing, a second motor, a second fan blade, and a connecting rod. The left side of the exhaust pipe is fixedly installed on the right side of the box body. The bottom of the housing is fixedly installed on the top of the exhaust pipe. The second fan blade is fixedly installed at the output end of the second motor. The surface of the second motor is fixedly connected to the inner wall of the housing through the connecting rod. The second motor can rotate, driving the second fan blade to rotate. The rotation of the second fan blade generates wind power, thereby driving the discharge of gas.

[0008] To improve the filtration of steam water, preferably, the filtration mechanism includes a filter plate and a mounting frame. The bottom of the filter plate is movably installed at the bottom of the inner cavity of the mounting frame. The mounting frame is movably installed in the inner cavity of the box body. A fixing mechanism is installed at the top of the filter plate. Steam can contact the condenser to obtain steam water, and the steam water is filtered through the filter plate.

[0009] To improve the fixation of the mounting frame, preferably, the positioning pin includes a positioning ring, a positioning rod, and a spring. The rear side of the positioning ring is fixedly installed on the front side of the box body. The surface of the positioning rod is movably installed in the middle of the positioning ring. The rear side of the positioning rod is movably installed on the front side of the mounting frame. One end of the spring is fixedly installed on the top of the positioning ring, and the other end of the spring is fixedly installed on the top of the positioning rod. The spring is sleeved on the surface of the positioning rod. A connecting plate is installed at the top of the positioning rod. The mounting frame can be fixed by installing the positioning rod on the front side of the mounting frame and through the cooperation of the positioning ring and the positioning rod.

[0010] To improve the installation of the filter plate, preferably, the fixing mechanism includes a fixing block and a rotating shaft. The bottom of the fixing block is fixedly installed on the top of the filter plate. The bottom of the rotating shaft is movably installed on the top of the mounting frame. The surface of the rotating shaft is movably installed in the inner wall of the fixing block. The filter plate can be fixed by installing the filter plate in the inner cavity of the mounting frame and through the cooperation of the rotating shaft and the fixing block.

[0011] To facilitate pulling the left positioning rod and the right positioning rod simultaneously, preferably, one end of the connecting plate is fixedly installed on the top of the left positioning rod, and the other end of the connecting plate is fixedly installed on the top of the right positioning rod. The left positioning rod and the right positioning rod can be driven by the connecting plate by installing the connecting plate on the tops of the left positioning rod and the right positioning rod.

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

[0013] The utility model solves the problem that in the prior art, steam is directly discharged outwards through an exhaust pipe, and the steam is not fully utilized, resulting in a large amount of steam waste. This is achieved by setting a base, a box body, a cover plate, a water pumping mechanism, an air inlet pipe, an exhaust mechanism, a condenser, a filtering mechanism and a positioning pin. First, the condenser is turned on, and the steam pipe enters the box body through the air inlet pipe. The steam contacts the condenser and forms steam water. The steam water is filtered by the filtering mechanism, and a small amount of gas is discharged through the exhaust mechanism. Then, the water pumping mechanism is turned on, and the steam water is pumped through the water pumping mechanism and drawn to a specified position through a pipe. The filtering mechanism is installed through the positioning pin. Brief Description of the Drawings

[0014] Figure 1 is a schematic three-dimensional overall structure diagram provided by an embodiment of the utility model;

[0015] Figure 2 is a schematic three-dimensional structure diagram of the water pumping mechanism provided by an embodiment of the utility model;

[0016] Figure 3 is a schematic three-dimensional structure diagram of the positioning pin provided by an embodiment of the utility model;

[0017] Figure 4 is a schematic three-dimensional structure diagram of the fixing mechanism and the filtering mechanism provided by an embodiment of the utility model;

[0018] Figure 5 is a schematic three-dimensional structure diagram of the exhaust mechanism provided by an embodiment of the utility model.

[0019] In the figure: 1, base; 2, box body; 3, cover plate; 4, water pumping mechanism; 401, first motor; 402, water tank; 403, first fan blade; 404, pipe; 5, air inlet pipe; 6, exhaust mechanism; 601, exhaust pipe; 602, housing; 603, second motor; 604, second fan blade; 605, connecting rod; 7, condenser; 8, filtering mechanism; 801, filter plate; 802, installation frame; 9, positioning pin; 901, positioning ring; 902, positioning rod; 903, spring; 10, fixing mechanism; 1001, fixing block; 1002, rotating shaft; 11, connecting plate. Detailed Embodiment

[0020] In order to further understand the inventive content, features and effects of the present utility model, the following embodiments are cited and described in detail in conjunction with the accompanying drawings.

[0021] The structure of the present utility model will be described in detail below with reference to the accompanying drawings.

[0022] As Figures 1 to 5As shown in the figure, a steam recovery device for a steam turbine provided by an embodiment of the present utility model includes a base 1, a box body 2 and a cover plate 3. The bottom of the box body 2 is fixedly installed on the top of the base 1, and the bottom of the cover plate 3 is fixedly installed on the top of the box body 2. A water pumping mechanism 4 is installed on the top of the base 1. An air inlet pipe 5 is installed on the left side of the box body 2, and an exhaust mechanism 6 is installed on the right side of the box body 2. A condenser 7 is installed in the inner cavity of the box body 2, a filtering mechanism 8 is installed in the inner cavity of the box body 2, and a positioning pin 9 is installed in the inner cavity of the box body 2. In order to improve the extraction of steam water, the water pumping mechanism 4 includes a first motor 401, a water tank 402, a first fan blade 403 and a pipeline 404. The bottom of the water tank 402 is fixedly installed on the top of the base 1. The first fan blade 403 is movably installed in the inner cavity of the water tank 402. The first fan blade 403 is fixedly installed on the output end of the first motor 401. The bottom of the first motor 401 is fixedly installed on the top of the base 1. The left side of the box body 2 is fixedly connected to the right side of the water tank 402 through the pipeline 404. The right side of the pipeline 404 is fixedly installed on the left side of the water tank 402. The first motor 401 can be rotated, the first motor 401 drives the first fan blade 403 to rotate, and the rotation of the first fan blade 403 generates suction force, so as to extract the steam water in the inner cavity of the box body 2. In order to improve the discharge of gas, the exhaust mechanism 6 includes an exhaust pipe 601, a housing 602, a second motor 603, a second fan blade 604 and a connecting rod 605. The left side of the exhaust pipe 601 is fixedly installed on the right side of the box body 2. The bottom of the housing 602 is fixedly installed on the top of the exhaust pipe 601. The second fan blade 604 is fixedly installed on the output end of the second motor 603. The surface of the second motor 603 is fixedly connected to the inner wall of the housing 602 through the connecting rod 605. The second motor 603 can be rotated, the second motor 603 drives the second fan blade 604 to rotate, and the rotation of the second fan blade 604 generates wind force, so as to drive the discharge of gas. In order to improve the filtration of steam water, the filtering mechanism 8 includes a filter plate 801 and a mounting frame 802. The bottom of the filter plate 801 is movably installed on the bottom of the inner cavity of the mounting frame 802. The mounting frame 802 is movably installed in the inner cavity of the box body 2. A fixing mechanism 10 is installed on the top of the filter plate 801. Steam can contact the condenser 7 to obtain steam water, and the steam water is filtered through the filter plate 801. In order to improve the fixation of the mounting frame 802, the positioning pin 9 includes a positioning ring 901, a positioning rod 902 and a spring 903. The rear side of the positioning ring 901 is fixedly installed on the front side of the box body 2. The surface of the positioning rod 902 is movably installed in the middle of the positioning ring 901. The rear side of the positioning rod 902 is movably installed on the front side of the mounting frame 802. One end of the spring 903 is fixedly installed on the top of the positioning ring 901, and the other end of the spring 903 is fixedly installed on the top of the positioning rod 902. The spring 903 is sleeved on the surface of the positioning rod 902. A connecting plate 11 is installed on the top of the positioning rod 902. The positioning rod 902 can be installed on the front side of the mounting frame 802. Through the cooperation of the positioning ring 901 and the positioning rod 902,Thus, the installation frame 802 is fixed. To improve the installation of the filter plate 801, the fixing mechanism 10 includes a fixing block 1001 and a rotating shaft 1002. The bottom of the fixing block 1001 is fixedly installed on the top of the filter plate 801. The bottom of the rotating shaft 1002 is movably installed on the top of the installation frame 802. The surface of the rotating shaft 1002 is movably installed on the inner wall of the fixing block 1001. The filter plate 801 can be installed in the inner cavity of the installation frame 802, and through the cooperation of the rotating shaft 1002 and the fixing block 1001, the filter plate 801 is fixed. To facilitate pulling the left positioning rod 902 and the right positioning rod 902 simultaneously, one end of the connecting plate 11 is fixedly installed on the top of the left positioning rod 902, and the other end of the connecting plate 11 is fixedly installed on the top of the right positioning rod 902. By installing the connecting plate 11 on the top of the left positioning rod 902 and the right positioning rod 902, the left positioning rod 902 and the right positioning rod 902 can be driven by the connecting plate 11.,

[0023] The working principle of the present utility model:

[0024] When in use, first, the condenser 7 is turned on. The steam enters the box body 2 through the air inlet pipe 5. The steam forms steam water through the condenser 7. The steam water is filtered through the filter plate 801. The filtered steam water drops into the inner cavity of the box body 2. Then, the exhaust mechanism 6 is turned on. The second motor 603 rotates, and the second motor 603 drives the second fan blade 604 to rotate. The second fan blade 604 rotates to generate wind power, so as to discharge a small amount of gas. Then, the water pumping mechanism 4 is turned on. The first motor 401 rotates, and the first motor 401 drives the first fan blade 403 to rotate. The first fan blade 403 rotates to generate suction, so as to pump the steam water. When the filter plate 801 has been used for a certain period of time, the filter plate 801 needs to be replaced. Pull the connecting rod 605, and the connecting plate 11 drives the left positioning rod 902 and the right positioning rod 902 to move. Then, the installation frame 802 is pulled out, and the rotating shaft 1002 is rotated to disassemble the filter plate 801, and a new filter plate 801 is installed.

[0025] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0026] The above are only the preferred embodiments of the present utility model and do not impose any formal limitations on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art of this patent, within the scope of the technical solution of the present utility model.

Claims

1. A steam recovery device for a steam turbine, comprising a base (1), a housing (2) and a cover plate (3), characterized in that: The bottom of the box body (2) is fixedly mounted on the top of the base (1), the bottom of the cover plate (3) is fixedly mounted on the top of the box body (2), a pumping mechanism (4) is mounted on the top of the base (1), an air intake pipe (5) is mounted on the left side of the box body (2), an exhaust mechanism (6) is mounted on the right side of the box body (2), a condenser (7) is mounted in the inner cavity of the box body (2), a filtering mechanism (8) is mounted in the inner cavity of the box body (2), and a positioning pin (9) is mounted in the inner cavity of the box body (2).

2. A steam recovery device for a steam turbine as claimed in claim 1, characterized in that: The pumping mechanism (4) comprises a first motor (401), a water tank (402), a first fan blade (403) and a pipe (404); the bottom of the water tank (402) is fixedly mounted on the top of the base (1); the first fan blade (403) is movably mounted in the inner cavity of the water tank (402); the first fan blade (403) is fixedly mounted on the output end of the first motor (401); the bottom of the first motor (401) is fixedly mounted on the top of the base (1); the left side of the box body (2) is fixedly connected to the right side of the water tank (402) via the pipe (404); and the right side of the pipe (404) is fixedly mounted on the left side of the water tank (402).

3. The steam recovery device for a steam turbine according to claim 1, characterized in that: The exhaust mechanism (6) comprises an exhaust pipe (601), a housing (602), a second motor (603), a second fan blade (604) and a connecting rod (605); the left side of the exhaust pipe (601) is fixedly mounted on the right side of the box body (2); the bottom of the housing (602) is fixedly mounted on the top of the exhaust pipe (601); the second fan blade (604) is fixedly mounted on the output end of the second motor (603); and the surface of the second motor (603) is fixedly connected to the inner wall of the housing (602) via the connecting rod (605).

4. A steam recovery device for a steam turbine as claimed in claim 1, characterized in that: The filtering mechanism (8) comprises a filtering plate (801) and a mounting frame (802); the bottom of the filtering plate (801) is movably mounted on the bottom of the inner cavity of the mounting frame (802); the mounting frame (802) is movably mounted on the inner cavity of the box body (2); and a fixing mechanism (10) is mounted on the top of the filtering plate (801).

5. A steam recovery device for a steam turbine as claimed in claim 4, characterized in that: The positioning pin (9) comprises a positioning ring (901), a positioning rod (902) and a spring (903); the rear side of the positioning ring (901) is fixedly mounted on the front side of the box body (2); the surface of the positioning rod (902) is movably mounted on the middle part of the positioning ring (901); the rear side of the positioning rod (902) is movably mounted on the front side of the installation frame (802); one end of the spring (903) is fixedly mounted on the top of the positioning ring (901); the other end of the spring (903) is fixedly mounted on the top of the positioning rod (902); the spring (903) is sleeved on the surface of the positioning rod (902); and a connecting plate (11) is mounted on the top of the positioning rod (902).

6. A steam recovery device for a steam turbine as claimed in claim 4, characterized in that: The fixing mechanism (10) comprises a fixing block (1001) and a rotating shaft (1002), wherein the bottom of the fixing block (1001) is fixedly mounted on the top of the filter plate (801), the bottom of the rotating shaft (1002) is movably mounted on the top of the mounting frame (802), and the surface of the rotating shaft (1002) is movably mounted on the inner wall of the fixing block (1001).

7. A steam recovery device for a steam turbine as claimed in claim 5, characterized in that: One end of the connecting plate (11) is fixedly mounted on the top of the left positioning rod (902), and the other end of the connecting plate (11) is fixedly mounted on the top of the right positioning rod (902).

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