Gas collecting structure of flushing device, flushing device and measuring system

Abstract

The utility model provides a gas collecting structure of a flushing device, the flushing device and a measuring system. The gas collecting structure comprises a flushing ring, a blind plug and a drainage connector. The flushing ring is provided with an axial cavity, and a first connector and a second connector are arranged on the circumferential face of the flushing ring in a spaced mode. The blind plug is detachably arranged at the first interface; the drainage joint is arranged at the second interface and is used for connecting a gas collection tank; wherein the first connector and the second connector are communicated with the cavity, and the drainage connector and the gas collection tank form a gas collection path. The utility model solves the technical problem of inaccurate measurement caused by the fact that the traditional flushing device cannot clean the gas collected in the liquid.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid's working pressure, differential pressure, flow accurate measurement technical field especially, relate to a kind of gas collection structure of flushing device, flushing device and measurement system. BACKGROUND

[0002] In fluid measurement system, flushing ring as a kind of key component, mainly used for cleaning and maintaining the cleanliness of measurement site. Its basic function is to provide water flow or other suitable front-end medium, and the impurities attached or deposited in the measurement area are blown away to ensure that the measurement element can accurately reflect the true state of the fluid. However, the flushing ring function is relatively single, it can only remove solid attachments, and the problem of gas entrained in liquid has not been effectively handled.

[0003] For example: when the liquid contains gas, these gases will flow with the liquid and eventually accumulate at the measurement site, especially in the case of throttle upward installation, this phenomenon is more obvious. Because the mixture of gas and liquid can cause non-uniform phase state in the measurement area, which affects the accuracy of the measurement result. That is: the existence of bubbles may change the physical properties of the fluid such as density, viscosity, etc., which in turn misleads the measurement system based on pressure difference, speed or other parameters, resulting in reading deviation. SUMMARY

[0004] In view of the deficiencies existing in the prior art, the utility model provides a kind of gas collection structure of flushing device, flushing device and measurement system to solve the technical problems that traditional flushing device in related technology cannot clean the gas collected in liquid, resulting in inaccurate measurement.

[0005] The utility model provides a kind of gas collection structure of flushing device, comprising:

[0006] flushing ring, with axial cavity, and first interface and second interface are arranged along its peripheral surface at intervals;

[0007] blind plug, detachably arranged in the first interface;

[0008] drainage connector, arranged in the second interface, for connecting gas collection tank;

[0009] Wherein, the first interface and the second interface are communicated with the cavity, and the drainage connector and the gas collection tank are configured as a gas collection path.

[0010] Further, the first interface and the second interface are arranged along the radial direction of the flushing ring.

[0011] Further, the first interface and the second interface are symmetrically arranged with the axis of the flushing ring as the symmetry axis.

[0012] Further, the blind plug screw thread is arranged in the first interface.

[0013] Further, the drainage connector comprises a first connecting pipe and a second connecting pipe connected with each other, and two distal ends of the first connecting pipe and the second connecting pipe are connected with the second interface and the gas collecting tank respectively.

[0014] Further, the connection between the first connecting pipe and the second connecting pipe is fixed by a locking nut; and / or

[0015] The connection between the first connecting pipe and the second connecting pipe is provided with a sealing gasket.

[0016] Further, the connection between the second interface and the first connecting pipe is a tapered structure.

[0017] Further, the gas collecting tank is provided with an exhaust plug.

[0018] The utility model also provides a kind of flushing device, comprising: flushing pipe and above-mentioned gas collecting structure, the flushing pipe and the blind plug are alternatively installed in the first interface, and the first interface and the second interface are alternately opened.

[0019] The utility model also provides a kind of measuring system, including lead pressure flange, measuring flange and above-mentioned flushing device, in the axial direction of the flushing ring, the lead pressure flange is connected with the measuring flange through the cavity, to be configured into measuring path.

[0020] Compared with prior art, the utility model has following beneficial effects: the cavity arranged along the flushing ring axial direction is used to accommodate measuring liquid, first interface and second interface are arranged on the circumference of the flushing ring, first interface is closed by blind plug, to facilitate opening or closing first interface;Second interface is connected with gas collecting tank by drainage connector, to be configured into gas collecting path, so that gas existing in cavity can be introduced into gas collecting tank by drainage connector, then reach the purpose that there is no gas gathering in measuring site, guarantee the accuracy and stability when measuring. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is structure schematic view of gas collecting structure in one embodiment of the utility model;

[0022] Figure 2 It is structure schematic view of gas collecting structure in one embodiment of the utility model;

[0023] Figure 3 It is partial sectional view of gas collecting structure in one embodiment of the utility model;

[0024] Figure 4 It is structure schematic view of measuring system in one embodiment of the utility model;

[0025] Figure 5 Figure 1 is a partial structural schematic diagram of a measuring system in an embodiment of the present application.

[0026] Brief Description of the Drawings

[0027] 100, gas collection structure; 1, flushing ring; 2, first interface; 3, second interface; 4, blind plug; 5, drainage connector; 501, first connecting pipe; 502, second connecting pipe; 503, locking nut; 504, sealing gasket; 6, gas collection tank; 7, exhaust plug; 8, pressure lead flange; 9, measuring flange.

[0028] The present application is achieved, the function characteristics and advantages will be further described with reference to the drawings. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and beneficial effects of the present application more clear, the technical scheme of the present application will be further described below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0030] In the embodiment of the present application, as shown in Figures 1-3 The flushing device gas collection structure 100 includes: flushing ring 1, blind plug 4 and drainage connector 5; flushing ring 1 has an axial cavity, and first interface 2 and second interface 3 are arranged on the peripheral surface thereof at intervals; blind plug 4 is detachably arranged at first interface 2; drainage connector 5 is arranged at second interface 3 and is used for connecting gas collection tank 6; wherein first interface 2 and second interface 3 are communicated with the cavity, and drainage connector 5 and gas collection tank 6 are configured as a gas collection path.

[0031] Specifically, in the embodiment of the present application, flushing ring 1 is a ring structure, and its axial direction is a cavity for accommodating the liquid to be measured and externally connecting the measuring device. Two interfaces (first interface 2 and second interface 3) are arranged on the peripheral surface of flushing ring 1 at intervals, and blind plug 4 is detachably arranged at first interface 2, so as to open or close first interface 2; when first interface 2 is opened, it can be used as a cleaning liquid interface to retain the original flushing function of flushing ring 1; on the contrary, when first interface 2 is closed, it can be used for storing liquid and discharging gas. Specifically, second interface 3 is connected with gas collection tank 6 through drainage connector 5, so that gas can be discharged into gas collection tank 6 through drainage connector 5, thereby emptying the gas floating on the liquid to avoid the interference of the gas on the liquid measurement and improve the stability of the measured liquid. As shown in Figure 3As shown, the liquid containing gas is discharged into the gas collecting tank 6 through the drainage joint 5, and since the gas always floats on the liquid, the upper part of the gas collecting tank 6 forms a gas area, and the lower part forms a liquid area, thereby avoiding the gas gathering in the measuring part (in the cavity), ensuring that there is no gas interference during the measurement, and improving the accuracy and stability of the measurement.

[0032] The utility model discloses a drainage joint 5 is arranged at the original flushing ring 1, the drainage joint 5 can be connected with the gas collecting tank 6, so that the flushing ring 1 has a gas collecting path, the liquid containing gas is discharged into the gas collecting tank 6 through the drainage joint 5, and the liquid sinks and the gas floats in the gas collecting tank 6, so as to ensure that the liquid filled in the cavity is not disturbed by gas, and the accuracy and stability of liquid measurement at the place are improved. In addition, the flushing ring 1 not only can be used as an intermediate bridge for blowing away the adhering matter or impurities immersed in the measuring part, but also can be used as a component for transferring intermediate gas impurities, so as to assist in improving the accuracy and stability of the measurement.

[0033] As shown in the drawings, Figures 1-3 In an embodiment, the first interface 2 and the second interface 3 are arranged along the radial direction of the flushing ring 1. Specifically, in order to facilitate the connection of corresponding components, the first interface 2 and the second interface 3 are arranged along the radial direction of the flushing ring 1 in this embodiment, so that a flushing path and a gas collecting path are formed along the radial direction of the flushing ring 1, and the two paths are perpendicular to the cavity, which is convenient for use as corresponding flushing or gas collecting. Preferably, the first interface 2 and the second interface 3 are symmetrically arranged with the axis of the flushing ring 1 as the axis of symmetry.

[0034] In an embodiment, the blind plug 4 is screwed on the first interface 2. Specifically, in order to facilitate the opening or closing of the first interface 2, the blind plug 4 is connected to the first interface 2 in a threaded manner in this embodiment. Of course, as shown in the drawings, Figure 3 In order to further improve the sealing performance of the blind plug 4 and the first interface 2, the cross section of the connection between the two is a tapered structure.

[0035] As shown in the drawings, Figure 3 In an embodiment, the drainage joint 5 includes a first connecting pipe 501 and a second connecting pipe 502 connected together, and the two distal ends of the first connecting pipe 501 and the second connecting pipe 502 are connected to the second interface 3 and the gas collecting tank 6 respectively. Specifically, in order to install the gas collecting tank 6 on the second interface 3, the drainage joint 5 includes the first connecting pipe 501 and the second connecting pipe 502 in this embodiment, and the two connecting pipes are installed on the second interface 3 and the gas collecting tank 6 respectively, so that the two are sealed and connected to form a gas collecting path, thereby collecting the gas existing in the liquid in the cavity.

[0036] Further, as shown in the drawings, Figure 3As shown, in an embodiment, the connection between the first connecting pipe 501 and the second connecting pipe 502 is fixed by a locking nut 503; specifically, since the connection between the gas collection tank 6 and the flushing ring 1 needs to be disconnected during flushing; this embodiment sets a locking nut 503 at the connection between the first connecting pipe 501 and the second connecting pipe 502, and the locking nut 503 is arranged at the first connecting pipe 501, so that the first connecting pipe 501 and the second connecting pipe 502 are detachably connected, which on one hand can facilitate the connection or disconnection of the two connecting pipes, and on the other hand can also facilitate the sealing connection of the two connecting pipes. Of course, if the first connecting pipe 501 and the second connecting pipe 502 are integrally connected, the locking nut 503 can be omitted. Figure 3 As shown, in order to further improve the sealing of the two connecting pipes, a sealing gasket 504 is arranged at the connection between the first connecting pipe 501 and the second connecting pipe 502. Preferably, the connection between the second interface 3 and the first connecting pipe 501 is a tapered structure, which can also improve the sealing of the connection.

[0037] As shown, Figure 1 , Figure 3 The gas collection tank 6 is provided with an exhaust plug 7 for periodically or irregularly discharging the gas in the gas collection tank 6.

[0038] The utility model also provides a flushing device, which comprises a flushing pipe and the above-mentioned gas collection structure 100, and the flushing pipe and the blind plug 4 are alternatively installed on the first interface 2, and the first interface 2 and the second interface 3 are alternately opened. Specifically, in order to retain the flushing function of the flushing ring 1, this embodiment is provided with a flushing pipe (not shown), which is connected to the first interface 2 after the blind plug 4 is removed, and the connection between the second interface 3 and the gas collection tank 6 is disconnected (for example, the connection between the first connecting pipe 501 and the second connecting pipe 502 is disconnected), and high-pressure flushing can be used. Conversely, after the blind plug 4 is installed, the first interface 2 is closed, so that the gas in the liquid can be discharged into the gas collection tank 6 through the drainage connector 5. Of course, the specific structure of the gas collection structure 100 is referred to the above-mentioned embodiments, since the flushing device adopts all the technical solutions of the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here.

[0039] As shown, Figure 4 , Figure 5As shown, the utility model still provides a kind of measuring system, including lead pressure flange 8, measuring flange 9 and above-mentioned flushing device, in the axial direction of the flushing ring 1, the lead pressure flange 8 is connected with the measuring flange 9 through the cavity, to be configured to measure path.Specifically, measuring liquid enters flushing ring 1 by lead pressure flange 8, and pressure is transmitted to measuring flange 9, for a small amount of gas contained in liquid medium, gas is introduced into gas collection tank 6 by drainage connector 5, to achieve the purpose of no gas gathering in measuring site, to improve the accuracy of measurement.The specific structure of the flushing device is referred to the above embodiment, since the present measuring system adopts all the technical solutions of the above embodiment, it at least has all the beneficial effects brought by the technical solutions of the above embodiment, which will not be repeated here.

[0040] Finally, it is explained that the above examples are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiment, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, which should be covered in the scope of claims of the utility model.

Claims

1. A gas collecting structure of a flushing device, characterized by The application relates to a gas collection structure for a flushing device. The flushing ring has an axial cavity and is provided with a first interface and a second interface at intervals along the circumferential surface; A blind plug is detachably arranged at the first interface; A drainage connector is arranged at the second interface and used for connecting a gas collection tank; The first interface and the second interface are communicated with the cavity, and the drainage connector and the gas collection tank are configured as a gas collection path.

2. The gas collecting structure of a flush device according to claim 1, wherein The first interface and the second interface are arranged along the radial direction of the flushing ring.

3. A gas collecting structure for a flushing device according to claim 1 or 2, characterized in that The first interface and the second interface are symmetrically arranged with the axis of the flushing ring as the symmetric axis.

4. The gas collecting structure of a flush device according to claim 1, wherein The blind plug is screw-connected to the first interface.

5. The gas collecting structure of a flush device according to claim 1, wherein The drainage connector comprises a first connecting pipe and a second connecting pipe which are connected, and the two distal ends of the first connecting pipe and the second connecting pipe are connected with the second interface and the gas collection tank respectively.

6. The gas collecting structure of a flush device according to claim 5, wherein The connection part of the first connecting pipe and the second connecting pipe is fixed by a locking nut; and / or The connection part of the first connecting pipe and the second connecting pipe is provided with a sealing gasket.

7. A gas collecting structure for a flushing device according to claim 5 or 6, characterized in that The connection part of the second interface and the first connecting pipe is a tapered structure.

8. The gas collecting structure of a flush device according to claim 1, wherein The gas collection tank is provided with an exhaust plug.

9. A rinsing device, characterized in that The application relates to a gas collection structure for a flushing device. The flushing ring has an axial cavity and is provided with a first interface and a second interface at intervals along the circumferential surface; 10. A measurement system characterized by, A blind plug is detachably arranged at the first interface; A drainage connector is arranged at the second interface and used for connecting a gas collection tank; The first interface and the second interface are communicated with the cavity, and the drainage connector and the gas collection tank are configured as a gas collection path. The first interface and the second interface are arranged along the radial direction of the flushing ring. The first interface and the second interface are symmetrically arranged with the axis of the flushing ring as the symmetric axis. The blind plug is screw-connected to the first interface. The drainage connector comprises a first connecting pipe and a second connecting pipe which are connected, and the two distal ends of the first connecting pipe and the second connecting pipe are connected with the second interface and the gas collection tank respectively. The connection part of the first connecting pipe and the second connecting pipe is fixed by a locking nut; and / or The connection part of the first connecting pipe and the second connecting pipe is provided with a sealing gasket. The connection part of the second interface and the first connecting pipe is a tapered structure. The gas collection tank is provided with an exhaust plug. The application relates to a gas collection structure for a flushing device. The flushing ring has an axial cavity and is provided with a first interface and a second interface at intervals along the circumferential surface; A blind plug is detachably arranged at the first interface; A drainage connector is arranged at the second interface and used for connecting a gas collection tank; The first interface and the second interface are communicated with the cavity, and the drainage connector and the gas collection tank are configured as a gas collection path. The first interface and the second interface are arranged along the radial direction of the flushing ring. The first interface and the second interface are symmetrically arranged with the axis of the flushing ring as the symmetric axis. The blind plug is screw-connected to the first interface. The drainage connector comprises a first connecting pipe and a second connecting pipe which are connected, and the two distal ends of the first connecting pipe and the second connecting pipe are connected with the second interface and the gas collection tank respectively. The connection part of the first connecting pipe and the second connecting pipe is fixed by a locking nut; and / or The connection part of the first connecting pipe and the second connecting pipe is provided with a sealing gasket. The connection part of the second interface and the first connecting pipe is a tapered structure. The gas collection tank is provided with an exhaust plug. The application relates to a gas collection structure for a flushing device. The flushing ring has an axial cavity and is provided with a first interface and a second interface at intervals along the circumferential surface; A blind plug is detachably arranged at the first interface; A drainage connector is

Images