SCR (Selective Catalytic Reduction) flue gas temperature regulating valve

Abstract

The utility model discloses an SCR flue gas temperature regulating valve which comprises a main valve body, the side portion of the main valve body is fixedly connected with a flange plate, the main valve body is provided with a protection mechanism, the protection mechanism comprises a shielding frame, a protection plate, a first square plate and a second square plate, the protection plate is located in the shielding frame, the shielding frame is arranged outside the main valve body in a sleeved mode, and the first square plate and the second square plate are arranged in the shielding frame. The shielding frames and the protection plates are used for shielding and protecting the top of the main valve body, the first square plates are slidably arranged on the sides of the shielding frames, the second square plates are slidably arranged on the sides of the protection plates, and the first square plates are used for positioning installation of the adjacent shielding frames. The shielding frames, the protection plate, the fixing plate, the bearing frame, the connecting column and the limiting column are matched with one another, the protection plate is matched with the outer portion of a main valve body connecting pipeline, the fixing plate, the connecting column, the bearing frame and the limiting column are used for assembling and disassembling the two shielding frames, and therefore when the main valve body is used, the main valve body can be conveniently assembled and disassembled. And the top of the main valve body is protected against rain.

Description

Technical Field

[0001] The utility model relates to the field of SCR flue gas temperature regulating valves, and particularly relates to an SCR flue gas temperature regulating valve. Background Technique

[0002] An SCR flue gas temperature regulating valve is usually a device that can regulate the temperature of SCR flue gas, and the SCR flue gas temperature regulating valve is convenient to operate.

[0003] The existing SCR flue gas temperature regulating valve usually includes a main valve body, a sensor, a control component, etc. The control component and the sensor are both located on the main valve body, and the control component can be used to control the temperature regulation of SCR flue gas.

[0004] When the SCR flue gas temperature regulating valve is in use, some of its components and the flange connection are exposed to the outside and are located at the top of the main valve body. However, the use environment of the SCR flue gas temperature regulating valve is diverse. Therefore, when the SCR flue gas temperature regulating valve is used outside, there will be a situation where external rainwater splashes on some components and the flange connection, affecting the normal use of the SCR flue gas temperature regulating valve. It is not convenient to shield and protect the top components of the main valve body when the SCR flue gas temperature regulating valve is in an external environment, and there are certain limitations. Content of the Utility Model

[0005] The purpose of the utility model is to provide an SCR flue gas temperature regulating valve to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an SCR flue gas temperature regulating valve, including:

[0007] A main valve body, and a flange plate is fixedly connected to the side of the main valve body;

[0008] A protection mechanism is arranged outside the main valve body, and the protection mechanism includes:

[0009] A shielding frame and a protection plate. The protection plate is located inside the shielding frame. The shielding frame is sleeved outside the main valve body. The shielding frame and the protection plate are used to shield and protect the top of the main valve body;

[0010] A first square plate and a second square plate. The first square plate is slidably arranged on the side of the shielding frame, and the second square plate is slidably arranged on the side of the protection plate. The first square plate is used to position the installation of the adjacent shielding frame.

[0011] Preferably, the protection plate is embedded inside the shielding frame. A clamping groove is opened on the side of the protection plate, and a semi-circular groove is opened on the side of the shielding frame.

[0012] Preferably, the side of the first square plate is fixedly connected to one of the shielding frames, the side of the second square plate is fixedly connected to two of the protection plates, a first square groove is formed on the side of the other shielding frame, and second square grooves are formed on the sides of the other two protection plates. The first square plate and the second square plate are respectively slidably inserted into the inner cavities of the first square groove and the second square groove.

[0013] Preferably, fixing plates are symmetrically and fixedly connected to the top of one of the shielding frames, a bearing frame is symmetrically and fixedly connected to the top of the other shielding frame, a connecting column is fixedly connected to the side of the fixing plate, the connecting column is slidably inserted into the inner cavity of the bearing frame, a sliding groove is formed on the side of the bearing frame, a limiting column for locking the installation position of the connecting column is arranged inside the sliding groove, a limiting groove is formed on the side of the connecting column, and the limiting column is slidably inserted into the inner cavity of the limiting groove.

[0014] Preferably, a moving frame is fixedly inserted through the outer wall of the limiting column, a supporting plate is fixedly connected to the inner cavity of the sliding groove, a fixing rod is fixedly connected to the side of the supporting plate, the outer wall of the fixing rod is slidably inserted through the moving frame, a spring is sleeved on the outer wall of the fixing rod, one end of the spring is attached to the moving frame, and the other end of the spring is attached to the supporting plate.

[0015] Preferably, supporting plates are symmetrically and fixedly connected to the top of the main valve body, extension plates are fixedly connected to the sides of the supporting plates, and the top ends of the extension plates are attached to the top end of the inner wall of the shielding frame.

[0016] The technical effects and advantages of the present utility model:

[0017] By utilizing the mutual cooperation of the shielding frame, the protection plate, the fixing plate, the bearing frame, the connecting column and the limiting column, the present utility model shields the top of the main valve body with the shielding frame, the protection plate is matched with the outside of the connecting pipe of the main valve body, and the fixing plate, the connecting column, the bearing frame and the limiting column are used for installing and disassembling the two shielding frames. Furthermore, when the main valve body is in use, rain protection is provided for the top of the main valve body, which is beneficial to increasing the service life of the components at the top of the main valve body. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0019] Figure 2 It is a schematic diagram of the front sectional structure of the present utility model.

[0020] Figure 3 For the present utility model Figure 2 The enlarged structure schematic diagram at position A.

[0021] In the figure: 1. Main valve body; 2. Protection mechanism; 21. Shielding frame; 22. Protection plate; 23. Fixed plate; 24. Bearing frame; 25. Connecting column; 26. Limit column; 27. Moving frame; 28. Support plate; 29. Spring; 210. First square plate; 211. Second square plate; 3. Support plate; 4. Extension plate. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] The present invention provides a Figures 1-3 shown SCR flue gas temperature regulating valve, including a main valve body 1. A flange is fixedly connected to the side of the main valve body 1. Support plates 3 are symmetrically and fixedly connected to the top of the main valve body 1, which is beneficial to supporting the shielding frame 21 and facilitating the increase of the stability of the shielding frame 21. An extension plate 4 is fixedly connected to the side of the support plate 3, which is beneficial to supporting the shielding frame 21. The top end of the extension plate 4 is in contact with the top end of the inner wall of the shielding frame 21.

[0024] Further, a protection mechanism 2 is provided outside the main valve body 1. The protection mechanism 2 includes a shielding frame 21, a protection plate 22, a first square plate 210, and a second square plate 211. The shielding frame 21 is arranged in an L shape. The shielding frame 21 is beneficial for shielding and protecting the main valve body 1 and its top components, and is convenient for preventing rainwater from eroding the main valve body 1 and its top components. The bottom of the protection plate 22 is fitted to the outside of the connecting pipe of the main valve body 1, which is beneficial for cooperating with the shielding frame 21 to shield and protect the main valve body 1 and its top components. The first square plate 210 and the second square plate 211 are beneficial for connecting and positioning adjacent shielding frames 21 and adjacent protection plates 22, and are convenient for increasing the stability of the shielding frame 21 and the protection plate 22. The protection plate 22 is located inside the shielding frame 21, and the shielding frame 21 is sleeved outside the main valve body 1. The shielding frame 21 and the protection plate 22 are used to shield and protect the top of the main valve body 1. The first square plate 210 is slidably arranged on the side of the shielding frame 21, and the second square plate 211 is slidably arranged on the side of the protection plate 22. The first square plate 210 is used to position the installation of the adjacent shielding frame 21. The protection plate 22 is embedded inside the shielding frame 21. A card slot is opened on the side of the protection plate 22, and a semi-circular slot is opened on the side of the shielding frame 21. The side of the first square plate 210 is fixedly connected to one of the shielding frames 21, and the side of the second square plate 211 is fixedly connected to two of the protection plates 22. A first square groove is opened on the side of the other shielding frame 21, and a second square groove is opened on the side of the other two protection plates 22. The first square plate 210 and the second square plate 211 are respectively slidably inserted into the inner cavities of the first square groove and the second square groove.

[0025] One end of the top of one of the shielding frames 21 is symmetrically and fixedly connected with a fixing plate 23, which is beneficial to support the shielding frame 21 and at the same time beneficial to support the connecting column 25. One end of the top of the other shielding frame 21 is symmetrically and fixedly connected with a bearing frame 24, which is beneficial to be connected with the connecting column 25 and is convenient for positioning the installation of the shielding frame 21. The side of the fixing plate 23 is fixedly connected with a connecting column 25. The connecting column 25 is slidably inserted into the inner cavity of the bearing frame 24. A sliding groove is formed in the side of the bearing frame 24. An inner cavity of the sliding groove is provided with a limiting column 26 for locking the installation position of the connecting column 25, which is beneficial to limit the relative positions of the bearing frame 24 and the connecting column 25, and further beneficial to the installation and disassembly of adjacent shielding frames 21. A limiting groove is formed in the side of the connecting column 25. The limiting column 26 is slidably inserted into the inner cavity of the limiting groove. A moving frame 27 is fixedly inserted through the outer wall of the limiting column 26, which is beneficial to drive the connecting column 25 to move. A supporting plate 28 is fixedly connected to the inner cavity of the sliding groove, which is beneficial to support the fixing rod and at the same time beneficial to compress the spring 29. A fixing rod is fixedly connected to the side of the supporting plate 28, which is beneficial to guide the deformation of the spring 29. The outer wall of the fixing rod is slidably inserted into the moving frame 27. A spring 29 is sleeved on the outer wall of the fixing rod. The elastic force of the spring 29 is beneficial to push the moving frame 27 to move, so as to facilitate the moving frame 27 and the limiting column 26 to return to the original position after moving, and is convenient for repeating the operation of the limiting column 26. One end of the spring 29 is attached to the moving frame 27, and the other end of the spring 29 is attached to the supporting plate 28.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An SCR flue gas temperature regulating valve, comprising: A main valve body (1), a flange being fixedly connected to the side of the main valve body (1); The invention is characterized in that a protection mechanism (2) is arranged outside the main valve body (1), and the protection mechanism (2) comprises: A shielding frame (21) and a protection plate (22), wherein the protection plate (22) is located inside the shielding frame (21), and the shielding frame (21) is sleeved outside the main valve body (1), and the shielding frame (21) and the protection plate (22) are used to shield and protect the top of the main valve body (1); A first square plate (210) and a second square plate (211), wherein the first square plate (210) is slidably disposed on the side of the shielding frame (21), and the second square plate (211) is slidably disposed on the side of the protection plate (22), and the first square plate (210) is used for positioning the installation of adjacent shielding frames (21).

2. The SCR flue gas temperature regulating valve according to claim 1, characterized in that: The protection plate (22) is embedded in the interior of the shielding frame (21); a slot is provided on the side of the protection plate (22); and a semicircular slot is provided on the side of the shielding frame (21).

3. The SCR flue gas temperature regulating valve according to claim 1, characterized in that: The side of the first square plate (210) is fixedly connected to one of the shielding frames (21), and the side of the second square plate (211) is fixedly connected to two of the protective plates (22), wherein the side of another of the shielding frames (21) is provided with a first square groove, and the sides of the other two of the protective plates (22) are provided with second square grooves, and the first square plate (210) and the second square plate (211) are respectively slidably connected to the inner cavities of the first square groove and the second square groove.

4. The SCR flue gas temperature regulating valve according to claim 1, characterized in that: The top of one of the shielding frames (21) is symmetrically fixedly connected to a fixing plate (23), and the top of the other shielding frame (21) is symmetrically fixedly connected to a carrying frame (24). The side of the fixing plate (23) is fixedly connected to a connecting column (25), and the connecting column (25) is slidably connected with the inner cavity of the carrying frame (24). A sliding groove is provided on the side of the carrying frame (24), and a limiting column (26) is provided inside the sliding groove for locking the installation position of the connecting column (25). A limiting groove is provided on the side of the connecting column (25), and the limiting column (26) is slidably connected with the inner cavity of the limiting groove.

5. The SCR flue gas temperature regulating valve according to claim 4, characterized in that: The outer wall of the limiting column (26) is fixedly connected with a moving frame (27), the inner cavity of the sliding groove is fixedly connected with a support plate (28), the side of the support plate (28) is fixedly connected with a fixing rod, the outer wall of the fixing rod is slidably connected with the moving frame (27), and the outer wall of the fixing rod is sleeved with a spring (29), one end of the spring (29) is in contact with the moving frame (27), and the other end of the spring (29) is in contact with the support plate (28).

6. The SCR flue gas temperature regulating valve according to claim 1, characterized in that: A support plate (3) is symmetrically fixedly connected to the top of the main valve body (1), an extension plate (4) is fixedly connected to the side of the support plate (3), and the top end of the extension plate (4) fits with the top end of the inner wall of the shielding frame (21).

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