Sealed flushing ring device and flushing system
By matching a constant flow valve on the drainage short pipe of the sealing flushing ring device, and adjusting the angle and inclination angle between the drainage short pipe and the side wall of the sealing flushing ring, a stable flow rate and cyclone flow is formed, and the flushing water in the prior art is solved. The measurement deviation problems caused by the turbulence of the measured medium have achieved higher measurement accuracy and longer equipment service life.
Patent Information
- Application Number
- CN202421080455.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The hedging structure of the existing sealed flushing ring can easily cause the flushing water and the medium to be measured to turbulence in the ring cavity, causing excessive measurement deviation of the pressure transmitter, and the amount of flushing water input to the flushing hole is not accurate, affecting the measurement accuracy.
A sealed flushing ring device is designed. By matching a constant flow valve on the drainage short pipe, the valve cross-sectional area of the constant flow valve is adjusted to ensure that the flow rate conveyed to the ring cavity in the side wall drainage short pipes on both sides of the sealed flushing ring is stable. to avoid liquid flow deviation. At the same time, the drainage short tube forms a specific angle and inclination angle with the side wall of the sealing flush ring to form a downward cyclone to prevent the erosion from damaging the diaphragm of the pressure transmitter.
Through this arrangement, dirty media can be prevented from accumulating at the pressure transmitter, extend the service life of the diaphragm components, extend the maintenance cycle of the pressure transmitter, improve measurement accuracy and accuracy, and is suitable for slag-containing working conditions Measurement of flow rate, liquid level, and differential pressure.
Smart Images
Figure CN222491204U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of instrument cleaning, and in particular to a sealing flushing ring device and a flushing system. Background Art
[0002] Usually, the medium measured by the pressure transmitter is viscous, and the medium will scale on the diaphragm of the pressure transmitter, which requires regular cleaning of the diaphragm. After a period of deposition, the viscous medium will accumulate at the diaphragm of the pressure transmitter. The solid-containing medium will accumulate at the pressure transmitter for a long time, eventually leading to blockage, affecting the measurement accuracy, and in severe cases, no signal feedback.
[0003] In the related art, a sealed flushing ring is arranged between the pressure taking pipe and the pressure transmitter, and a symmetrical sealed flushing water access pipe is connected to the side wall of the sealed flushing ring. Water is passed into the holes on the side of the flushing ring through the sealed flushing water access pipe to flush away sediments and keep the diaphragm clean. At the same time, the flushing holes can also be used as exhaust or sewage holes of the pressure vessel. However, this counter-flushing structure of the sealed flushing ring can easily cause turbulence of the flushing water and the measured medium in the ring cavity, resulting in excessive measurement deviation of the pressure transmitter. At the same time, inaccurate control of the flushing water volume input through the two symmetrical flushing holes of the flushing ring will also affect the measurement accuracy of the pressure transmitter. Utility Model Content
[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a sealing flushing ring device and a flushing system, which can prevent dirty media from accumulating at the pressure transmitter, extend the service life of the diaphragm component of the pressure transmitter, extend the maintenance cycle of the pressure transmitter, and improve the measurement precision and accuracy of the pressure transmitter.
[0005] The first aspect of the present application provides a sealing flushing ring device, comprising: a sealing flushing ring, wherein the sealing flushing ring has two symmetrical flushing holes radially opened on a cylindrical wall of the ring;
[0006] A flushing water interface assembly, wherein the flushing water interface assembly comprises two drainage short tubes, wherein the flushing holes correspond to the drainage short tubes one by one, wherein one end of each drainage short tube is connected to the sealing flushing ring through the corresponding flushing hole, and one end of the drainage short tube away from the sealing flushing ring is provided with a sealing flushing water inlet, and each drainage short tube forms an angle of 45° with the side wall of the sealing flushing ring in the horizontal direction, and the drainage short tube forms an inclination angle of 10° with the side wall of the sealing flushing ring in the vertical direction;
[0007] A flow control component, the flow control component includes two constant flow valves, the constant flow valves correspond to the drainage short tubes one by one, the constant flow valves are arranged on the corresponding drainage short tubes, and the constant flow valves are arranged close to the corresponding sealing flushing water inlet.
[0008] According to some embodiments of the first aspect of the present application, a cavity is formed inside the sealing flushing ring, and each of the flushing holes is connected to the cavity.
[0009] According to some embodiments of the first aspect of the present application, the sealing flushing ring is in a circular shape.
[0010] According to some embodiments of the first aspect of the present application, the sealing flushing ring device also includes two sealing gaskets, the shape of each sealing gasket corresponds to the shape of the sealing flushing ring, and the two sealing gaskets are respectively arranged at the top and bottom of the sealing flushing ring.
[0011] According to some embodiments of the first aspect of the present application, the inner wall of the flushing hole corresponding to each of the flushing holes is provided with threads, and one end of the drainage short tube is threadedly connected to the sealing flushing ring through the threads of the corresponding inner wall of the flushing hole.
[0012] According to the flushing system of the second aspect embodiment of the present application, it includes: a pressure taking pipe, a flange-type pressure transmitter and a sealing flushing ring device as described in the first aspect embodiment of the present application, the pressure taking pipe is connected to the flange-type pressure transmitter through a flange, and the sealing flushing ring device is arranged between the pressure taking pipe and the flange-type pressure transmitter.
[0013] In the present application, flushing holes are respectively opened at symmetrical positions of the side wall of the sealing flushing ring, and a constant flow valve is matched on the drainage short tube to adjust the valve cross-sectional area of the constant flow valve to ensure that the flow rate transported from the drainage short tubes on the side walls of the sealing flushing ring on both sides to the sealing flushing ring cavity reaches a stable state, thereby avoiding deviations in the liquid flow rate sent in from the flushing holes on both sides and affecting the measurement accuracy of the pressure transmitter. At the same time, the flushing water volume is controlled by the constant flow valve to be in a stable state, and the diaphragm of the pressure transmitter will not be damaged; each drainage short tube forms a 45° angle with the side wall of the sealing flushing ring in the horizontal direction, and the drainage short tube forms an inclination angle of 10° with the side wall of the sealing flushing ring in the vertical direction, so that the drainage short tube transports the liquid to the sealing flushing ring cavity to form a downward vortex, which will not cause scouring and damage to the diaphragm of the upstream pressure transmitter, and the vortex body can bring the slag-containing medium out of the sampling short tube along with the fluid. Through this configuration, the present application can prevent dirty media from accumulating at the pressure transmitter, extend the service life of the diaphragm component of the pressure transmitter, extend the maintenance cycle of the pressure transmitter, and improve the measurement precision and accuracy of the pressure transmitter.
[0014] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0016] Figure 1 A top view of a sealing flushing ring device provided in an embodiment of the present application;
[0017] Figure 2 A side view of a sealing flushing ring device provided for an embodiment of the present application.
[0018] Reference numerals:
[0019] Sealing flushing ring 110 , drainage short tube 111 , constant flow valve 112 , sealing gasket 113 . DETAILED DESCRIPTION
[0020] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.
[0021] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0022] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0023] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.
[0024] Usually, the medium measured by the pressure transmitter is viscous, and the medium will scale on the diaphragm of the pressure transmitter, which requires regular cleaning of the diaphragm. After a period of deposition, the viscous medium will accumulate at the diaphragm of the pressure transmitter. The solid-containing medium will accumulate at the pressure transmitter for a long time, eventually leading to blockage, affecting the measurement accuracy, and in severe cases, no signal feedback.
[0025] In the related art, a sealed flushing ring is arranged between the pressure taking pipe and the pressure transmitter, and a symmetrical sealed flushing water access pipe is connected to the side wall of the sealed flushing ring. Water is passed into the holes on the side of the flushing ring through the sealed flushing water access pipe to flush away sediments and keep the diaphragm clean. At the same time, the flushing holes can also be used as exhaust or sewage holes of the pressure vessel. However, this counter-flushing structure of the sealed flushing ring can easily cause turbulence of the flushing water and the measured medium in the ring cavity, resulting in excessive measurement deviation of the pressure transmitter. At the same time, inaccurate control of the flushing water volume input through the two symmetrical flushing holes of the flushing ring will also affect the measurement accuracy of the pressure transmitter.
[0026] In order to solve the above-mentioned problems, the present application proposes a sealing flushing ring device and a flushing system. The embodiments of the present application are further described below in conjunction with the accompanying drawings.
[0027] Reference Figure 1 to Figure 2 The present application provides a sealing flushing ring device and a flushing system, including: a sealing flushing ring 110, a flushing water interface assembly and a flow control assembly. The sealing flushing ring 110 is radially provided with two symmetrical flushing holes on the cylindrical wall of the ring; the flushing water interface assembly includes two drainage short tubes 111, the flushing holes correspond to the drainage short tubes 111 one by one, one end of each drainage short tube 111 is connected to the sealing flushing ring 110 through the corresponding flushing hole, and the drainage short tube 111 is away from the sealing flushing ring 110. A sealed flushing water inlet is provided at one end, and each drainage short tube 111 forms a 45° angle with the side wall of the sealed flushing ring 110 in the horizontal direction, and the drainage short tube 111 forms an inclination angle of 10° with the side wall of the sealed flushing ring 110 in the vertical direction; the flow control component includes two constant flow valves 112, the constant flow valves 112 correspond to the drainage short tubes 111 one by one, the constant flow valves 112 are arranged on the corresponding drainage short tubes 111, and the constant flow valves 112 are arranged close to the corresponding sealed flushing water inlet.
[0028] It should be noted that in Figure 1 to Figure 2 In the figure, &1 indicates a 45° angle formed in the horizontal direction between one of the drainage short tubes 111 and the side wall of the sealing flushing ring 110, &2 indicates a 45° angle formed in the horizontal direction between the other drainage short tube 111 and the side wall of the sealing flushing ring 110, &3 indicates a 10° inclination angle formed in the vertical direction between one of the drainage short tubes 111 and the side wall of the sealing flushing ring 110, &4 indicates a 10° inclination angle formed in the vertical direction between the other drainage short tube 111 and the side wall of the sealing flushing ring 110, and the drainage short tubes 111 are all arranged to be inclined upward on the side wall of the sealing flushing ring 110.
[0029] In the present application, flushing holes are respectively opened at symmetrical positions on the side walls of the sealing flushing ring 110, and a constant flow valve 112 is matched on the drainage short tube 111 to adjust the valve cross-sectional area of the constant flow valve 112 to ensure that the flow rate transported from the drainage short tubes 111 on the side walls of the sealing flushing ring 110 on both sides of the sealing flushing ring 110 to the ring cavity of the sealing flushing ring 110 reaches a stable state, thereby avoiding the deviation of the liquid flow rate sent from the flushing holes on both sides and affecting the measurement accuracy of the pressure transmitter. At the same time, the flushing water volume is controlled by the constant flow valve 112 to be in a stable state, and the diaphragm of the pressure transmitter will not be damaged; each drainage short tube 111 forms a 45° angle with the side wall of the sealing flushing ring 110 in the horizontal direction, and the drainage short tube 111 forms an inclination angle of 10° with the side wall of the sealing flushing ring 110 in the vertical direction, so that the drainage short tube 111 is transported to the ring cavity of the sealing flushing ring 110 to form a downward vortex, which will not cause scouring and damage to the diaphragm of the upstream pressure transmitter, and the vortex body can bring the slag-containing medium out of the sampling short tube with the fluid. Through this setting, the present application can prevent dirty media from accumulating at the pressure transmitter, extend the service life of the diaphragm component of the pressure transmitter, extend the maintenance cycle of the pressure transmitter, improve the measurement precision and accuracy of the pressure transmitter, and at the same time improve the measurement accuracy of flow, liquid level, and differential pressure measurements in slag-containing conditions (such as black water and gray water from water-coal slurry gasification and pulverized coal gasification).
[0030] It can be understood that a cavity is formed inside the sealing flushing ring 110, and each flushing hole is connected to the cavity.
[0031] Reference Figure 1 It can be understood that the sealing flushing ring 110 is in the shape of a ring.
[0032] Reference Figure 1 and Figure 2 It can be understood that the sealing flushing ring device also includes two sealing gaskets 113, the shape of each sealing gasket 113 corresponds to the shape of the sealing flushing ring 110, and the two sealing gaskets 113 are respectively arranged at the top and bottom of the sealing flushing ring 110.
[0033] It should be noted that, by providing the sealing gasket 113 , the sealing performance of the connection between the sealing flushing ring 110 and the flange-type pressure transmitter and the pressure taking pipe is improved.
[0034] It can be understood that the inner wall of the flushing hole corresponding to each flushing hole is provided with threads, and one end of the drainage short tube 111 is threadedly connected to the sealing flushing ring 110 through the threads of the corresponding inner wall of the flushing hole.
[0035] Another embodiment of the present application also provides a flushing system, which includes a pressure taking pipe, a flange pressure transmitter and a sealing flushing ring device as in any of the above embodiments, the pressure taking pipe is connected to the flange pressure transmitter through a flange, and the sealing flushing ring device is arranged between the pressure taking pipe and the flange pressure transmitter.
[0036] Through this setting, the present application can prevent dirty media from accumulating at the pressure transmitter, extend the service life of the diaphragm component of the pressure transmitter, extend the maintenance cycle of the pressure transmitter, improve the measurement precision and accuracy of the pressure transmitter, and at the same time improve the measurement accuracy of flow, liquid level, and differential pressure measurements in slag-containing conditions (such as black water and gray water from water-coal slurry gasification and pulverized coal gasification).
[0037] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0038] The above is a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.
[0039] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.
Claims
1. A sealing flushing ring device, characterized in that: include: A sealing flushing ring, wherein the sealing flushing ring has two symmetrical flushing holes radially opened on the cylindrical wall of the ring; A flushing water interface assembly, wherein the flushing water interface assembly comprises two drainage short tubes, wherein the flushing holes correspond to the drainage short tubes one by one, wherein one end of each drainage short tube is connected to the sealing flushing ring through the corresponding flushing hole, and one end of the drainage short tube away from the sealing flushing ring is provided with a sealing flushing water inlet, and each drainage short tube forms an angle of 45° with the side wall of the sealing flushing ring in the horizontal direction, and the drainage short tube forms an inclination angle of 10° with the side wall of the sealing flushing ring in the vertical direction; A flow control component, the flow control component includes two constant flow valves, the constant flow valves correspond to the drainage short tubes one by one, the constant flow valves are arranged on the corresponding drainage short tubes, and the constant flow valves are arranged close to the corresponding sealing flushing water inlet.
2. The sealing flushing ring device according to claim 1, characterized in that: A cavity is formed inside the sealing flushing ring, and each of the flushing holes is communicated with the cavity.
3. The sealing flushing ring device according to claim 2, characterized in that: The sealing flushing ring is in the shape of a circular ring.
4. The sealing flushing ring device according to claim 3, characterized in that: The sealing flushing ring device also includes two sealing gaskets, the shape of each sealing gasket corresponds to the shape of the sealing flushing ring, and the two sealing gaskets are respectively arranged on the top and the bottom of the sealing flushing ring.
5. The sealing flushing ring device according to claim 1, characterized in that: The inner wall of the flushing hole corresponding to each flushing hole is provided with a thread, and one end of the drainage short tube is threadedly connected with the sealing flushing ring through the thread of the inner wall of the corresponding flushing hole.
6. A flushing system, characterized in that: include: A pressure taking pipe, a flange type pressure transmitter and a sealing flushing ring device as described in any one of claims 1 to 5, wherein the pressure taking pipe is connected to the flange type pressure transmitter via a flange, and the sealing flushing ring device is arranged between the pressure taking pipe and the flange type pressure transmitter.
Citation Information
Cited By
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