CN217586153U - Connection adapter for checking flange-mounted pressure transmitter - Google Patents
Connection adapter for checking flange-mounted pressure transmitter Download PDFInfo
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- CN217586153U CN217586153U CN202221577479.1U CN202221577479U CN217586153U CN 217586153 U CN217586153 U CN 217586153U CN 202221577479 U CN202221577479 U CN 202221577479U CN 217586153 U CN217586153 U CN 217586153U
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- pressure
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- standard device
- pressure transmitter
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Abstract
The utility model relates to a flange mounting formula pressure transmitter is connection adapter for check-up, its technical characterstic is: the pressure standard device connector and the pressure transmitter flange are fixedly arranged at two ends of the pressure guide pipe, and the pressure standard device connector, the pressure guide pipe and the pressure transmitter flange are communicated with each other; the pressure standard device connector and the pressure transmitter flange are respectively connected with the pressure standard device and the flange-mounted pressure transmitter, and the flange-mounted pressure transmitter is verified through the pressure standard device. The utility model relates to a rationally, realized can use ordinary pressure standard device to carry out installation formula pressure transmitter's check-up function in thermal power factory, not only improved calibration efficiency, saved the check-up expense moreover, guaranteed thermal power factory system equipment's normal operating.
Description
Technical Field
The utility model belongs to the technical field of pressure transmitter, especially, flange mounting formula pressure transmitter is connection adapter for check-up.
Background
The pressure transmitter is a thermal automatic measuring device most widely used in thermal power plants, and is often used as a detecting and transmitting link to measure parameters such as pressure, differential pressure, liquid level, flow and the like of liquid, gas and steam media in thermal automatic regulating systems of large-scale generating sets. The flange-mounted pressure transmitter is one of pressure transmitters, is mounted in a system through a flange plate and is used for measuring the pressure, liquid level, density and the like of high-viscosity easily crystallized or precipitated media. In a desulfurization system of a thermal power plant, a flange-mounted pressure transmitter is often used for measurement of a liquid level of a desulfurization absorption tower and measurement of pressure, liquid level and density of a medium in which a pressure guide pipe is inconvenient to install.
In order to ensure the accuracy of the measurement of the flange-mounted pressure transmitter, the flange-mounted pressure transmitter needs to be checked regularly. Because the pressure standard device for checking usually adopts a small-bore threaded interface, and the interface of the flange-mounted pressure transmitter is a flange plate, the existing pressure standard device cannot check the flange-mounted pressure transmitter. Currently, flange-mounted pressure transmitters are typically calibrated by removing the transmitter to a specialized testing facility and using specialized calibration equipment to perform the calibration. The mode is high in cost, long in check period and inconvenient for normal production.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a reasonable in design, efficient and convenient to use's flange mounting formula pressure transmitter connection adapter for check-up.
The utility model provides a current technical problem take following technical scheme to realize:
a connecting adapter for checking a flange-mounted pressure transmitter comprises a pressure guide pipe, a pressure standard device connector and a pressure transmitter connecting flange, wherein the pressure standard device connector and the pressure transmitter flange are fixedly arranged at two ends of the pressure guide pipe, and the pressure standard device connector, the pressure guide pipe and the pressure transmitter flange are communicated with each other; the pressure standard device connector and the pressure transmitter flange are respectively connected with the pressure standard device and the flange-mounted pressure transmitter, and the flange-mounted pressure transmitter is verified through the pressure standard device.
Furthermore, the pressure standard device connector and the pressure transmitter flange are fixedly arranged at two ends of the pressure guide pipe in a welding mode.
Furthermore, the surface of the pressure standard device connector is provided with external threads, and the pressure standard device connector is connected with the pressure standard device through the external threads.
Furthermore, the surface of the pressure transmitter connecting flange plate is provided with flange mounting holes corresponding to the flange mounting holes on the flange mounting type transmitter, and the pressure transmitter connecting flange plate is connected with the flange mounting type transmitter by using bolts in the flange mounting holes.
Furthermore, the centers of the pressure standard device connector and the pressure transmitter connecting flange are provided with through holes with the same diameter as the pressure guide pipe, so that the pressure standard device is communicated with the flange-mounted pressure transmitter.
Further, the pressure guide conduit 2 is made of a phi 16 x 3 stainless steel tube.
The utility model has the advantages that:
1. the utility model discloses drawing pressure pipe both ends and installing respectively with pressure standard device and flange mounting formula pressure transmitter assorted pressure standard device connector and changer flange dish, installing it between pressure standard device and flange mounting formula pressure transmitter, realized can using ordinary pressure standard device to carry out the check-up function of installation formula pressure transmitter in thermal power factory, not only improved the check-up efficiency, saved the check-up expense moreover, guaranteed the normal operating of thermal power factory system equipment.
2. The utility model discloses a draw and press pipe and pressure standard device connector and changer flange and all adopt the welding mode to link together reliably, have effectively prevented pressure leakage, guarantee the accuracy of check-up.
3. The utility model discloses not only can inspect installation formula pressure transmitter, but also can carry out the check-up to various flange mounting formula pressure equipment such as flange mounting formula manometer, diaphragm sealed differential pressure transmitter, its range of application is extensive, has solved the check-up function of pressure equipment in the thermal power factory effectively.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic diagram of the use of the present invention;
the pressure standard device comprises a pressure standard device connector, a pressure guide pipe connector 2, a pressure transmitter flange 3, a flange through hole 4, a flange mounting hole 5, a welding point between the pressure transmitter flange and the pressure guide pipe 6, a welding point between the pressure standard device connector and the pressure guide pipe 7, an external thread 8 and a connector through hole 9.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings.
A connecting adapter for checking a flange-mounted pressure transmitter is shown in figure 1 and comprises a pressure guide pipe 2, a pressure standard device connector 1 and a pressure transmitter connecting flange 3. The pressure standard device connector 1 and the pressure transmitter flange 3 are fixedly arranged at two ends of the pressure guide pipe 2, and the pressure standard device connector 1, the pressure guide pipe 2 and the pressure transmitter flange 3 are communicated with each other. The utility model discloses install between pressure standard device, flange mounting formula pressure transmitter, carry out the check-up to flange mounting formula pressure transmitter through pressure standard device.
In the actual checking process, a pressure standard device connector 1 and a pressure transmitter flange plate 3 are designed correspondingly according to the size of a pressure standard device interface and the size of a flange mounting type transmitter flange. The surface of the pressure standard device connector 1 is provided with an external thread 8, and the connector 1 is screwed and installed together with the interface of the pressure standard device through the external thread 8. The surface of the pressure transmitter connecting flange plate 3 is uniformly provided with flange mounting holes 5, and the flange mounting holes 5 on the flange plate 3 correspond to the flange mounting holes on the flange mounting type transmitter and are fastened together through bolts. The center of the pressure standard device connector 1 is provided with a connector through hole 9 corresponding to the pressure guide pipe 2, and the center of the pressure transmitter connecting flange 3 is provided with a flange through hole 4 corresponding to the pressure guide pipe 2, so that the pressure standard device is communicated with the flange-mounted pressure transmitter.
In this embodiment, the pressure-guiding catheter 2 is made of a stainless steel tube with a diameter of 16 × 3 mm, and the length thereof is set according to actual needs.
In this embodiment, the pressure guiding pipe 2, the pressure standard device connector 1 and the pressure transmitter connecting flange 3 are fixedly connected together by welding, and a welding point 6 between the pressure transmitter flange and the pressure guiding pipe and a welding point 7 between the pressure standard device connector and the pressure guiding pipe can be seen from fig. 1.
As shown in fig. 2, the utility model discloses when the installation, at first install pressure standard device connector 1 on the pressure standard device interface through the screw thread mode, then install flange-mounted pressure transmitter on pressure transmitter ring flange 3, and at last, check-up is carried out flange-mounted pressure transmitter according to the check-up flow through the pressure standard device, and at the check-up in-process, the check-up medium among the pressure standard device passes through the connection adapter conduction on flange-mounted pressure transmitter's diaphragm to the realization is to flange-mounted pressure transmitter's check-up function.
It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention includes but is not limited to the embodiments described in the detailed description, as well as other embodiments derived from the technical solutions of the present invention by those skilled in the art, which also belong to the scope of the present invention.
Claims (6)
1. The utility model provides a flange mounting formula pressure transmitter check-up is with connecting adapter which characterized in that: the pressure standard device connector and the pressure transmitter flange are fixedly arranged at two ends of the pressure guide pipe, and the pressure standard device connector, the pressure guide pipe and the pressure transmitter flange are communicated with each other; the pressure standard device connector and the pressure transmitter flange are respectively connected with the pressure standard device and the flange-mounted pressure transmitter, and the flange-mounted pressure transmitter is verified through the pressure standard device.
2. The connection adapter for flange-mounted pressure transmitter calibration according to claim 1, wherein: and the pressure standard device connector and the pressure transmitter flange are fixedly arranged at two ends of the pressure guide pipe in a welding mode.
3. The connection adapter for verification of a flange-mounted pressure transmitter according to claim 1 or 2, characterized in that: the surface of the pressure standard device connector is provided with external threads, and the pressure standard device connector is connected with the pressure standard device through the external threads.
4. The connection adapter for verification of a flange-mounted pressure transmitter according to claim 1 or 2, characterized in that: and the surface of the pressure transmitter connecting flange plate is provided with flange mounting holes corresponding to the flange mounting holes on the flange mounting type transmitter, and the pressure transmitter connecting flange plate is connected with the flange mounting type transmitter by using bolts in the flange mounting holes.
5. The connection adapter for verification of a flange-mounted pressure transmitter according to claim 1 or 2, characterized in that: and through holes with the same diameter as the pressure guide pipe are formed in the centers of the pressure standard device connector and the pressure transmitter connecting flange plate, so that the pressure standard device is communicated with the flange-mounted pressure transmitter.
6. The connection adapter for verification of a flange-mounted pressure transmitter according to claim 1 or 2, characterized in that: the pressure guide conduit (2) is made of phi 16 multiplied by 3 stainless steel tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221577479.1U CN217586153U (en) | 2022-06-23 | 2022-06-23 | Connection adapter for checking flange-mounted pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221577479.1U CN217586153U (en) | 2022-06-23 | 2022-06-23 | Connection adapter for checking flange-mounted pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217586153U true CN217586153U (en) | 2022-10-14 |
Family
ID=83531141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221577479.1U Active CN217586153U (en) | 2022-06-23 | 2022-06-23 | Connection adapter for checking flange-mounted pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217586153U (en) |
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2022
- 2022-06-23 CN CN202221577479.1U patent/CN217586153U/en active Active
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