Pressure regulating valve group capable of reducing noise

Abstract

The utility model discloses a pressure regulating valve group capable of reducing noise, which comprises a valve body and at least one noise reduction unit, the valve body forms a flow inlet channel, a flow outlet channel and at least one branch channel which is arranged between the flow inlet channel and the flow outlet channel and is communicated with the flow inlet channel and the flow outlet channel; wherein the inflow channel and the outflow channel are arranged at the two ends of the valve body correspondingly for fluid circulation, each noise reduction unit comprises a front noise reduction component, each front noise reduction component is arranged at the position, close to the inflow channel, of the corresponding branch channel, and each front noise reduction component is arranged at the position, close to the outflow channel, of the corresponding branch channel. Each front noise reduction component forms at least one flow dividing channel penetrating through the front noise reduction component in the axial direction, an inlet and an outlet of each flow dividing channel face the flow inlet channel and the flow outlet channel correspondingly, and each flow dividing channel is arranged in the corresponding front noise reduction component in a spiral shape. Therefore, the flowing path of the fluid in the branch flow channel is prolonged, and noise is reduced.

Description

Technical Field

[0001] This application relates to the field of pressure regulating valve assembly technology, and specifically to a noise-reducing pressure regulating valve assembly. Background Technology

[0002] Currently, pressure regulating valve assemblies are mostly used in pipeline systems that supply fluids such as blast furnace gas. Common pressure regulating valve assemblies also have an adjustment component on each branch pipeline that can control the opening and closing of the branch pipeline, in order to control the fluid flow in each branch pipeline, thereby accurately controlling the total amount of fluid flowing out of the pressure regulating valve assembly.

[0003] However, most pressure regulating valve assemblies have limited flow length settings for branch lines. This can easily cause significant noise when fluid flows rapidly through the branch line after being opened by the regulating component, which can easily damage the hearing system of on-site personnel. Utility Model Content

[0004] To address the aforementioned technical problems and achieve at least one advantage of this application, this application provides a noise-reducing pressure regulating valve assembly, the noise-reducing pressure regulating valve assembly comprising:

[0005] A valve body, the valve body forming an inlet channel, an outlet channel, and at least one branch channel disposed between the inlet channel and the outlet channel and communicating with the inlet channel and the outlet channel, wherein the inlet channel and the outlet channel are respectively disposed at two ends of the valve body for fluid flow;

[0006] At least one noise reduction unit, each noise reduction unit including a front noise reduction component, one front noise reduction component being disposed at a position of one of the branch channels near the inlet channel, and each front noise reduction component forming at least one branch channel extending through itself axially, the inlet and outlet of each branch channel being disposed facing the inlet channel and the outlet channel respectively, and each branch channel being disposed in a spiral shape inside the front noise reduction component.

[0007] According to one embodiment of this application, the front noise reduction component includes a front noise reduction body and at least one front guide member. The front noise reduction body is disposed at a position near the inlet channel of the branch channel, and the front noise reduction body has a number of front channels that extend axially through itself and are the same number as the front guide members, for allowing fluid to flow into the branch channel. The front guide members are disposed behind the front noise reduction body along the fluid flow direction, and each front guide member has a front guide channel. The front guide members are configured to be connectable to the front noise reduction body so that one front channel and one front guide channel communicate to form one branch channel.

[0008] According to one embodiment of this application, the noise reduction unit further includes a rear noise reduction component, one of which is disposed in one of the branch channels and adjacent to one of the front noise reduction components. The rear noise reduction component is disposed behind the front noise reduction component along the fluid flow direction. The rear noise reduction component also forms a plurality of flow channels that penetrate itself axially. Each flow channel is configured to communicate with at least one of the branch channels, and the inner diameter of the flow channel is set to be smaller than the inner diameter of the branch channel.

[0009] According to one embodiment of this application, each of the flow channels is arranged in a spiral shape inside the rear noise reduction member.

[0010] According to one embodiment of this application, the rear noise reduction component includes a rear noise reduction body and at least one rear flow guide. The rear noise reduction body is disposed behind the front noise reduction component along the fluid flow direction, and the rear noise reduction body has a number of rear channels that extend axially through itself and are the same number as the rear flow guide for allowing fluid flowing out of the front noise reduction component to continue to flow. The rear flow guide is disposed behind the rear noise reduction body along the fluid flow direction, and each rear flow guide has a rear flow guide channel. The rear flow guide is configured to be able to connect to the rear noise reduction body so that one rear channel and one rear flow guide channel communicate to form a flow channel.

[0011] According to one embodiment of this application, the inlet channel of the valve body is configured to gradually increase the inner diameter of the channel along the fluid flow direction, and the outlet channel of the valve body is configured to gradually decrease the inner diameter of the channel along the fluid flow direction.

[0012] According to one embodiment of this application, the noise-reducing pressure regulating valve assembly further includes at least one flow regulating member, wherein one of the flow regulating members is configured to be connected to one of the branch channels in a manner that enables control of opening and closing of one of the branch channels.

[0013] According to one embodiment of this application, one of the flow regulating components is disposed behind one of the rear noise reduction components along the fluid flow direction.

[0014] According to one embodiment of this application, each of the flow regulating components includes a flow regulating body, a driving member, and a drive shaft. The flow regulating body has an opening whose size is adapted to the inner diameter of the branch channel, and the flow regulating body is detachably disposed in the branch channel so that the opening communicates with the branch channel. The driving member is rotatably connected to the drive shaft, and the drive shaft is configured to pass through the flow regulating body so that at least part of it is located in the opening. The portion of the drive shaft located in the opening is configured to extend radially integrally into the inner wall forming the opening to form an extension portion whose size is adapted to the opening size. Thus, when the driving member rotates the drive shaft, the extension portion is configured to rotate with the drive shaft in the opening to close and open the opening.

[0015] According to one embodiment of this application, the drive member is configured to be located outside the branch channel. Attached Figure Description

[0016] Figure 1 A perspective view of the noise-reducing pressure regulating valve assembly described in this application is shown.

[0017] Figure 2 A cross-sectional view of the noise-reducing pressure regulating valve assembly described in this application is shown.

[0018] Figure 3 for Figure 2 Enlarged view of point A in the noise-reducing pressure regulating valve assembly.

[0019] Figure 4 A schematic diagram of the front noise reduction component in the noise-reducing pressure regulating valve assembly described in this application is shown.

[0020] Figure 5 A schematic diagram of the post-noise reduction component in the noise-reducing pressure regulating valve assembly described in this application is shown.

[0021] Figure 6 A schematic diagram of another embodiment of the front noise reduction component in the noise-reducing pressure regulating valve assembly described in this application is shown.

[0022] Figure 7 A schematic diagram of another embodiment of the post-noise reduction component in the noise-reducing pressure regulating valve assembly described in this application is shown.

[0023] Figure 8 A schematic diagram of the flow regulating component in the noise-reducing pressure regulating valve assembly described in this application is shown. Detailed Implementation

[0024] The following description is intended to disclose this application and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of this application defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of this application.

[0025] Those skilled in the art should understand that, in the disclosure of this application, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this application.

[0026] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0027] refer to Figures 1 to 5 A preferred embodiment of the noise-reducing pressure regulating valve assembly according to this application will be described in detail below. The noise-reducing pressure regulating valve assembly includes a valve body 10 and at least one noise reduction unit 20. The valve body 10 forms an inlet channel 101 and an outlet channel 102 at its two ends, respectively. In addition, the valve body 10 also forms at least one branch channel 103 disposed between the inlet channel 101 and the outlet channel 102 and simultaneously connected to the inlet channel 101 and the outlet channel 102.

[0028] It is understood that the inlet channel 101 and the outlet channel 102 of the valve body 10 are respectively used to connect the pipeline through which the fluid can flow. That is, after the fluid enters through the inlet channel 101 of the valve body 10, it flows through the branch channel 103 and then flows out through the outlet channel 102 to enter a new pipeline.

[0029] Each noise reduction unit 20 includes a front noise reduction component 21, which is disposed in a branch channel 103 near the inlet channel 101. Each front noise reduction component 21 forms at least one branch channel 2101 that extends through itself axially. The inlet and outlet of each branch channel 2101 are respectively disposed facing the inlet channel 101 and the outlet channel 102. Each branch channel 2101 is disposed in a spiral shape inside the front noise reduction component 21.

[0030] Those skilled in the art will understand that the fluid entering the inlet channel 101 can flow along the extension direction of the branch channel 103 to the front noise reduction component 21 of the noise reduction unit 20, and gradually flow into the diversion channel 2101 of the front noise reduction component 21. Due to the formation of the diversion channel 2101, the channel length of the diversion channel 2101 is extended; especially when there are multiple diversion channels 2101 inside a branch channel 103, the total path of the fluid flowing in the branch channel 103 is extended. Thus, the noise generated by the fluid flowing through the branch channel 103 is reduced, thereby reducing the impact on the environment near the noise-reducing pressure regulating valve assembly.

[0031] Specifically in one embodiment, such as Figure 6 As shown, the front noise reduction component 21 includes a front noise reduction body 211 and at least one front guide member 212. The front noise reduction body 211 is disposed in the branch channel 103 near the inlet channel 101, and the front noise reduction body 211 has a number of front passages 21101 that extend axially through itself, the same number as the front guide members 212, for fluid to flow into the branch channel 103. The front guide members 212 are disposed behind the front noise reduction body 211 along the fluid flow direction, and each front guide member 212 has a front guide passage 21201. The front guide members 212 are configured to connect to the front noise reduction body 211, so that one front passage 21101 communicates with one front guide passage 21201 to form a branch channel 2101.

[0032] It is understood that one of the diversion channels 2101 can be formed by connecting and combining a front passage 21101 and a front guide passage 21201 to allow fluid flow. In other words, the front noise reduction body 211 and the front guide member 212 can be integrally formed or not integrally formed.

[0033] Preferably, the noise reduction unit 20 further includes a rear noise reduction component 22, which is disposed in one of the branch channels 103 and adjacent to one of the front noise reduction components 21. The rear noise reduction component 22 is disposed behind the front noise reduction component 21 along the fluid flow direction. In addition, the rear noise reduction component 22 also forms a plurality of flow channels 2201 that penetrate itself axially. Each flow channel 2201 is configured to communicate with at least one of the branch channels 2101, and the inner diameter of the flow channel 2201 is set to be smaller than the inner diameter of the branch channel 2101.

[0034] It should be noted that when the fluid flows out of the front noise reduction component 21 and into the rear noise reduction component 22, the flow rate of the fluid flowing out of the flow channel 2201 is limited because the inner diameter of the flow channel 2201 is smaller than that of the diversion channel 2101. This reduces the amount of noise vibration that the fluid can generate, thereby reducing the source of noise formation.

[0035] More preferably, each of the flow channels 2201 is arranged in a spiral shape inside the rear noise reduction member 22. That is, the channel length of the flow channel 2201 is extended, so that the flow distance of the fluid in the branch channel 103 is further extended, especially when there are multiple branch channels 2101 and multiple flow channels 2201 inside a branch channel 103, thereby further reducing the noise generated by the fluid flowing in the branch channel 103.

[0036] In a preferred embodiment, such as Figure 7 As shown, the rear noise reduction component 22 includes a rear noise reduction body 221 and at least one rear flow guide 222. The rear noise reduction body 221 is disposed behind the front noise reduction component 21 along the fluid flow direction, and the rear noise reduction body 221 has a number of rear channels 22101 that extend axially through itself, the same number as the rear flow guide 222, for allowing fluid flowing out of the front noise reduction component 21 to continue flowing. In other words, the front flow guide 212 of the front noise reduction component 21 can be disposed between the front noise reduction body 211 and the rear noise reduction body 221.

[0037] The rear guide member 222 is disposed behind the rear noise reduction body 221 along the fluid flow direction, and each rear guide member 222 has a rear guide passage 22201. The rear guide member 222 is configured to be connected to the rear noise reduction body 221 so that one rear passage 22101 and one rear guide passage 22201 communicate to form a flow channel 2201.

[0038] Similarly, the structure of the rear noise reduction component 22 can be similar to that of the front noise reduction component 21, that is, the rear noise reduction body 221 and the rear guide 222 can be integrally formed or not integrally formed.

[0039] Preferably, the valve body 10 has at least one pair of legs 11 at the bottom for supporting the valve body 10. Preferably, two of the legs 11 in each pair are respectively disposed at two ends of the valve body 10.

[0040] Preferably, the inlet channel 101 of the valve body 10 is configured to gradually increase its inner diameter along the fluid flow direction. Similarly, the outlet channel 102 of the valve body 10 is configured to gradually decrease its inner diameter along the fluid flow direction. In this way, the pressure generated by the fluid flow can be evenly distributed within the noise-reducing pressure regulating valve assembly, and the uniform pressure distribution helps to improve the stability and reliability of the noise-reducing pressure regulating valve assembly.

[0041] Furthermore, the noise-reducing pressure regulating valve assembly also includes at least one flow regulating member 30, one of which is connected to one of the branch channels 103 to control the opening and closing of the branch channel 103. That is, when fluid enters from the inlet channel 101 and flows through the branch channels 103, each branch channel 103 can be controlled by the correspondingly connected flow regulating member 30 to enter an open or closed state, thereby allowing the fluid to continue flowing to the outlet channel 102, or preventing the fluid from continuing to flow to the outlet channel 102.

[0042] Preferably, one of the flow regulating components 30 is disposed behind one of the rear noise reduction components 22 along the fluid flow direction. Thus, when the flow regulating component 30 closes the branch channel 103, the flow-limiting effect of the rear noise reduction component 22 results in a smaller flow rate of fluid after it flows out of the rear noise reduction component 22. This allows the flow regulating component 30 to close the branch channel 103 in a timely manner, thereby enabling precise control of the fluid flow rate out of the valve body 10.

[0043] In one embodiment, each of the flow regulating components 30 is configured as a butterfly valve, which is located in the middle of the branch channel 103 and close to the rear noise reduction component 22.

[0044] In another embodiment, such as Figure 8As shown, each of the flow regulating components 30 includes a flow regulating body 31, a driving member 32, and a driving shaft 33. The flow regulating body 31 has an opening 3101 whose size is adapted to the inner diameter of the branch channel 103, and the flow regulating body 31 is detachably disposed in the branch channel 103 so that the opening 3101 communicates with the branch channel 103. The driving member 32 is rotatably connected to the driving shaft 33. The driving shaft 33 is configured to pass through the flow regulating body 31 so that at least part of it is located in the opening 3101, and the portion of the driving shaft 33 located in the opening 3101 is configured to extend radially integrally into the inner wall forming the opening 3101 to form an extension portion 331 whose size is adapted to the opening 3101. Thus, when the driving member 32 rotates the driving shaft 33, the extension portion 331 is configured to rotate with the driving shaft 33 in the opening 3101 to close and open the opening 3101.

[0045] It is understood that when the port 3101, which communicates with the branch channel 103, is opened, fluid can flow from the inlet channel 101 of the valve body 10 to the outlet channel 102 of the valve body 10. That is, when the drive member 32 rotates the drive shaft 33 to open the port 3101, fluid can flow from the inlet channel 101 to the outlet channel 102; while when the drive member 32 rotates the drive shaft 33 to completely close the port 3101, fluid cannot flow from the inlet channel 101 to the outlet channel 102.

[0046] Preferably, the drive element 32 is positioned on the outside of the branch channel 103, thereby facilitating maintenance work for staff.

[0047] Preferably, the drive element 32 is configured as a drive motor equipped with a transmission system.

[0048] Those skilled in the art should understand that the embodiments of this application described above and shown in the accompanying drawings are merely examples and do not limit the scope of this application. The advantages of this application have been fully and effectively implemented. The functional and structural principles of this application have been demonstrated and explained in the embodiments, and any variations or modifications can be made to the implementation of this application without departing from the stated principles.

Claims

1. A noise-reducing pressure regulating valve assembly, characterized in that, The noise-reducing pressure regulating valve assembly includes: A valve body, the valve body forming an inlet channel, an outlet channel, and at least one branch channel disposed between the inlet channel and the outlet channel and communicating with the inlet channel and the outlet channel, wherein the inlet channel and the outlet channel are respectively disposed at two ends of the valve body for fluid flow; At least one noise reduction unit, each noise reduction unit including a front noise reduction component, one front noise reduction component being disposed at a position of one of the branch channels near the inlet channel, and each front noise reduction component forming at least one branch channel extending through itself axially, the inlet and outlet of each branch channel being disposed facing the inlet channel and the outlet channel respectively, and each branch channel being disposed in a spiral shape inside the front noise reduction component.

2. The noise-reducing pressure regulating valve assembly according to claim 1, characterized in that, The front noise reduction component includes a front noise reduction body and at least one front guide member. The front noise reduction body is disposed in the branch channel near the inlet channel, and the front noise reduction body has an axially penetrating number of front channels as the same as the number of front guide members for fluid to flow into the branch channel. The front guide members are disposed behind the front noise reduction body along the fluid flow direction, and each front guide member has a front guide channel. The front guide members are configured to connect to the front noise reduction body so that one front channel and one front guide channel communicate to form one branch channel.

3. The noise-reducing pressure regulating valve assembly according to claim 1 or 2, characterized in that, The noise reduction unit further includes a rear noise reduction component, one of which is disposed in one of the branch channels and adjacent to one of the front noise reduction components. The rear noise reduction component is disposed behind the front noise reduction component along the fluid flow direction. The rear noise reduction component also forms multiple flow channels that penetrate itself axially. Each flow channel is configured to communicate with at least one of the branch channels, and the inner diameter of the flow channel is set to be smaller than the inner diameter of the branch channel.

4. The noise-reducing pressure regulating valve assembly according to claim 3, characterized in that, Each of the aforementioned flow channels is arranged in a spiral shape inside the rear noise reduction component.

5. The noise-reducing pressure regulating valve assembly according to claim 4, characterized in that, The rear noise reduction component includes a rear noise reduction body and at least one rear flow guide. The rear noise reduction body is disposed behind the front noise reduction component along the fluid flow direction, and the rear noise reduction body has an axially penetrating number of rear channels as the rear flow guide for the fluid flowing out of the front noise reduction component to continue flowing. The rear flow guide is disposed behind the rear noise reduction body along the fluid flow direction, and each rear flow guide has a rear flow guide channel. The rear flow guide is configured to be connectable to the rear noise reduction body so that one rear channel and one rear flow guide channel communicate to form a flow channel.

6. The noise-reducing pressure regulating valve assembly according to claim 5, characterized in that, The inlet channel of the valve body is configured to gradually increase the inner diameter of the channel along the fluid flow direction, and the outlet channel of the valve body is configured to gradually decrease the inner diameter of the channel along the fluid flow direction.

7. The noise-reducing pressure regulating valve assembly according to claim 3, characterized in that, The noise-reducing pressure regulating valve assembly further includes at least one flow regulating component, wherein one of the flow regulating components is configured to be connected to one of the branch channels in a manner that enables control of opening and closing of one of the branch channels.

8. The noise-reducing pressure regulating valve assembly according to claim 7, characterized in that, One of the flow regulating components is disposed behind one of the rear noise reduction components along the fluid flow direction.

9. The noise-reducing pressure regulating valve assembly according to claim 8, characterized in that, Each of the flow-regulating components includes a flow-regulating body, a driving member, and a drive shaft. The flow-regulating body has an opening whose size is adapted to the inner diameter of the branch channel, and the flow-regulating body is detachably disposed in the branch channel so that the opening communicates with the branch channel. The driving member is rotatably connected to the drive shaft, and the drive shaft is configured to pass through the flow-regulating body so that at least a portion is located in the opening. The portion of the drive shaft located in the opening is configured to extend radially integrally into the inner wall forming the opening to form an extension whose size is adapted to the opening. Thus, when the driving member rotates the drive shaft, the extension is configured to rotate with the drive shaft in the opening to close and open the opening.

10. The noise-reducing pressure regulating valve assembly according to claim 9, characterized in that, The drive element is configured to be located outside the branch channel.

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