Turbine regulating valve

Abstract

The utility model belongs to the field of steam turbine regulating valves, particularly relates to a steam turbine regulating valve, and aims to solve the problem that although a sealing ring can be fixed through a sleeve shell, a first fixing block and a baffle in the prior art, when a valve body and an external device are installed, installation is inconvenient. An air inlet and an air outlet are formed in the two ends of the valve body respectively, the two ends of the valve body are fixedly sleeved with fixing rings, and a mounting ring is fixedly arranged on the inner wall of one end of the valve body and located in the air inlet. The mounting mechanisms are arranged at the two ends of the valve body to facilitate mounting of the valve body; the filtering mechanism is arranged in the valve body and used for filtering gas, the valve body can be conveniently mounted through the mounting mechanism, impurities in steam can be filtered through the filtering mechanism, and the situation that the impurities affect the interior of the valve body is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steam turbine regulating valves, in particular to a steam turbine regulating valve. Background Art

[0002] The regulating valve, also known as the control valve, is used in the field of industrial automation process control to change the final control of process parameters such as medium flow, pressure, temperature, and liquid level by receiving the control signal output by the regulating control unit and using power operation. The regulating valve is needed in the steam turbine.

[0003] After searching, the patent with the announcement number CN214618059U discloses a turbine regulating valve, which relates to the technical field of regulating valves, including a valve body, the left side of the valve body is fixedly connected with an air intake pipe, and the end of the air intake pipe away from the valve body is fixedly connected with a sleeve disc. In the utility model, the sleeve shell threaded on the valve body is rotated to loosen and remove the sleeve shell, the damaged sealing gasket sleeved on the sleeve disc and the first fixed block is removed and replaced with a new sealing gasket, the new sealing gasket is sleeved and fixed to the sleeve disc and the first fixed block on the valve body, and the sleeve shell is rotated again to fix the valve body, so that the sleeve shell is threaded on the second connecting pipe, and the sleeve shell, the first fixed block and the baffle are used to replace the glue used in the past, so as to avoid that the sealing gasket cannot be cleaned, resulting in the inability to use the regulating valve normally, so that the regulating valve has the characteristics of easy operation when replacing the sealing gasket, and improves the working efficiency of the regulating valve used in the steam turbine.

[0004] The technical solution has the following problems:

[0005] Although the sealing ring can be fixed by the casing, the first fixing block and the baffle, it is not convenient to install the valve body when it is installed with external devices. Utility Model Content

[0006] The utility model aims to solve the problem in the prior art that although the sealing ring can be fixed by the casing, the first fixing block and the baffle, it is inconvenient to install the valve body and the external device, and proposes a turbine regulating valve.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A steam turbine regulating valve comprises a valve body, wherein two ends of the valve body are respectively an air inlet and an air outlet, both ends of the valve body are fixedly sleeved with fixing rings, an inner wall of one end of the valve body is fixedly provided with a mounting ring, and the mounting ring is located in the air inlet;

[0009] Installation mechanism, the installation mechanism is arranged at both ends of the valve body to facilitate the installation of the valve body;

[0010] The filter mechanism is arranged in the valve body and is used for filtering the gas.

[0011] In a possible design, the installation mechanism includes two installation covers for facilitating installation of the valve body, the two installation covers are movably mounted on both ends of the valve body, the fixing ring is located on the inner side of the installation cover, and the installation cover is provided with an internal thread.

[0012] In a possible design, the filter mechanism includes a filter plate for filtering gas, and the filter plate is fixed to the mounting ring by screws.

[0013] In a possible design, a first sealing ring for improving the sealing performance between the valve body and an external device is fixedly provided at one end of the two fixing rings that are away from each other.

[0014] In a possible design, a second sealing ring for improving the sealing performance between the fixing ring and the mounting cover is fixedly provided at one end of the two fixing rings close to each other.

[0015] In a possible design, a convex strip for increasing the friction of a person's hand to prevent slipping is fixedly provided on the mounting cover, and the convex strip and the mounting cover are an integral structure.

[0016] In a possible design, a handle is fixedly provided on the filter plate for facilitating pulling out the filter plate.

[0017] In the present application, when in use, firstly, an external thread compatible with the mounting cover is opened on the device to be installed, and then the installation is carried out. The specific steps are: take the valve body to the device installation position, put the mounting cover on the mounting tube of the device, rotate the mounting cover to make the mounting cover and the device threaded connection, so that the valve body can be easily installed until the mounting cover cannot be rotated. When the mounting cover cannot be rotated, one end of the mounting cover will be close to the fixing ring, and the mounting tube of the device will be close to the first sealing ring. The first sealing ring can effectively improve the sealing between the valve body and the device to avoid leakage. The second sealing ring can improve the sealing between the mounting cover and the fixing ring to improve the sealing effect. The double-layer sealing can effectively avoid leakage. After the two ends are installed, it is used. When exhausting, the gas enters the valve body through the valve body air inlet. The filter plate is provided, and the filter plate can filter impurities in the steam to avoid the impurities from affecting the inside of the valve body. The material of the filter plate can be selected according to actual needs.

[0018] The beneficial effects of the present invention are:

[0019] In the utility model, the turbine regulating valve is installed by putting a mounting cover on the mounting pipe of the device through the mounting mechanism, and rotating the mounting cover to make the mounting cover and the device threadedly connected, so that the valve body can be easily installed;

[0020] In the utility model, the steam turbine regulating valve can filter impurities in the steam through the filter mechanism and the filter plate, thereby preventing the impurities from affecting the interior of the valve body.

[0021] In the utility model, the valve body can be easily installed through the installation mechanism, and the impurities in the steam can be filtered through the filtering mechanism to prevent the impurities from affecting the inside of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main structure of a steam turbine regulating valve proposed by the utility model;

[0023] Figure 2 This is a first side structural schematic diagram of a steam turbine regulating valve proposed by the utility model;

[0024] Figure 3 This is a second side structural schematic diagram of a steam turbine regulating valve proposed by the utility model;

[0025] Figure 4 This is a schematic cross-sectional structure diagram of a mounting cover of a steam turbine regulating valve proposed by the utility model;

[0026] Figure 5 The utility model is a partial structural schematic diagram of a steam turbine regulating valve.

[0027] In the figure: 1. valve body; 2. mounting cover; 3. convex strip; 4. first sealing ring; 5. filter plate; 6. screw; 7. fixing ring; 8. mounting ring; 9. second sealing ring; 10. handle. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Embodiment 1

[0030] Reference Figure 1-5 A regulating valve comprises: a valve body 1, wherein the two ends of the valve body 1 are respectively an air inlet and an air outlet, and fixing rings 7 are fixedly sleeved on both ends of the valve body 1, and these fixing rings 7 are used to enhance the structural stability and connection strength of the valve body 1, and an installation ring 8 is fixedly provided on the inner wall of one end of the valve body 1, that is, in the air inlet, and the installation ring 8 provides a basis for the installation of the subsequent filtering mechanism.

[0031] Then, in order to facilitate the installation of the valve body 1, an installation mechanism is set up, which is mainly composed of two installation covers 2, which are movably mounted on the two ends of the valve body 1 respectively, and the fixing ring 7 is located on the inner side of the installation cover 2. The installation cover 2 is provided with an internal thread to facilitate the threaded connection with the external device. In addition, the installation cover 2 is also fixed with convex strips 3. These convex strips 3 not only increase the friction of the personnel's hands, making installation and disassembly more convenient, but also make the overall structure of the installation cover 2 more stable.

[0032] Next, the filter mechanism is set up. The filter mechanism is mainly composed of a filter plate 5, which is fixed to the mounting ring 8 by screws 6, so that the filter plate 5 can be easily installed and disassembled, and is convenient for cleaning and replacement. In addition, a handle 10 is fixedly provided on the filter plate 5, which makes the removal and installation of the filter plate 5 more convenient.

[0033] The valve body 1 is a regulating valve, and the valve body 1 is a prior art, which will not be described in detail here, and can be purchased according to needs.

[0034] The present application is used in the field of steam turbine regulating valves, and can also be used in other fields applicable to the present application.

[0035] Embodiment 2

[0036] refer to Figure 1-5 , based on the improvement of the first embodiment: a steam turbine regulating valve, which is used in the field of steam turbine regulating valves,

[0037] In order to improve the sealing between the valve body 1 and external devices and between the fixing ring 7 and the mounting cover 2, a first sealing ring 4 is fixedly arranged at the ends of the two fixing rings 7 that are away from each other, and a second sealing ring 9 is fixedly arranged at the ends of the two fixing rings 7 that are close to each other. The arrangement of these sealing rings greatly improves the sealing performance and prevents gas leakage.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steam turbine regulating valve, comprising a valve body (1), characterized in that: The two ends of the valve body (1) are respectively an air inlet and an air outlet, and both ends of the valve body (1) are fixedly sleeved with fixing rings (7), and an installation ring (8) is fixedly provided on the inner wall of one end of the valve body (1), and the installation ring (8) is located in the air inlet; An installation mechanism, the installation mechanism being arranged at both ends of the valve body (1) to facilitate installation of the valve body (1); A filtering mechanism is arranged in the valve body (1) and is used for filtering gas.

2. A steam turbine regulating valve according to claim 1, characterized in that: The installation mechanism comprises two installation covers (2) for facilitating installation of the valve body (1); the two installation covers (2) are movably mounted on both ends of the valve body (1), the fixing ring (7) is located on the inner side of the installation cover (2), and the installation cover (2) is provided with an internal thread.

3. A steam turbine regulating valve according to claim 1, characterized in that: The filtering mechanism comprises a filtering plate (5) for filtering gas, and the filtering plate (5) is fixed on a mounting ring (8) by means of screws (6).

4. A steam turbine regulating valve according to claim 1, characterized in that: A first sealing ring (4) for improving the sealing performance between the valve body (1) and an external device is fixedly provided at one end of the two fixing rings (7) that is away from each other.

5. The steam turbine regulating valve according to claim 1, characterized in that: A second sealing ring (9) for improving the sealing performance between the fixing ring (7) and the mounting cover (2) is fixedly provided at one end of the two fixing rings (7) that are close to each other.

6. A steam turbine regulating valve according to claim 2, characterized in that: The installation cover (2) is fixedly provided with a convex strip (3) for increasing the friction of a person's hand to prevent slipping, and the convex strip (3) and the installation cover (2) are an integrated structure.

7. A steam turbine regulating valve according to claim 3, characterized in that: A handle (10) is fixedly provided on the filter plate (5) for facilitating pulling out the filter plate (5).

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