CN218099563U - Stain instrument calibrating installation - Google Patents
Stain instrument calibrating installation Download PDFInfo
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- CN218099563U CN218099563U CN202123065358.7U CN202123065358U CN218099563U CN 218099563 U CN218099563 U CN 218099563U CN 202123065358 U CN202123065358 U CN 202123065358U CN 218099563 U CN218099563 U CN 218099563U
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- pressure balance
- balance cavity
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- pipeline
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Abstract
The utility model belongs to the instrumentation pipeline design technique, concretely relates to stain instrument calibrating installation. The device comprises a shell, a to-be-detected meter mounting plate arranged on the shell, and a to-be-detected meter fixedly arranged on the to-be-detected meter mounting plate; the device also comprises a pressure balance cavity arranged in the shell, a pipeline connected with the pressure balance cavity, and a vacuum pump and a tail gas treatment device which are respectively connected with the evacuation end and the discharge end of the pressure balance cavity through pipelines. This device is through internal integration pressure balancing unit, instrumentation, vacuum pump, tail gas processing apparatus, pressure pipeline, governing valve etc. and is gathering the flow parameter of instrument verification in-process, directly is used for examining and determine the instrument that stains of multiple range, model. Whole device designs with square, miniaturization, and each pipeline instrument is examined and determine to the convenience in the factory building.
Description
Technical Field
The utility model belongs to the instrumentation pipeline design technique, concretely relates to stain instrument calibrating installation.
Background
The absolute pressure meter plays an important role in stable and safe operation of a production line process system. However, the problems of signal drift, accuracy reduction and the like exist when the instrument is used on line for a certain time, and the verification and calibration work must be carried out regularly.
At present, the instrument is mainly disassembled from a pipeline and is verified in an off-line verification mode. However, due to the particularity of the working substance, the verification of the disassembled instrument has the following difficulties:
(1) Working substances are left in the instrument to be inspected, so that the environment and precision equipment are easily polluted in the inspection process;
(2) Secondary pollution is easily caused by mixed inspection of contaminated instruments and non-contaminated instruments;
(3) After the standard device is polluted, the measurement tracing cannot be carried out;
(4) The instrument detection can be carried out after complex intermediate treatment is needed after the contaminated instrument is sent for inspection, and the efficiency is lower.
It is necessary to design and stains instrument calibrating installation, can directly carry out the verification work to the instrument that stains that the pipeline was torn down, possesses functions such as blowing wash, tail gas treatment.
Disclosure of Invention
The utility model aims at providing a stain instrument calibrating installation can examine and determine each pipeline instrument in the factory building, and can carry out tail gas treatment.
The technical scheme of the utility model as follows:
a contamination instrument calibrating device comprises a shell, a to-be-detected meter mounting plate arranged on the shell, and a to-be-detected meter fixedly arranged on the to-be-detected meter mounting plate; the device also comprises a pressure balance cavity arranged in the shell, a pipeline connected with the pressure balance cavity, and a vacuum pump and a tail gas treatment device which are respectively connected with the evacuation end and the discharge end of the pressure balance cavity through pipelines.
A middle bottom plate is horizontally arranged in the shell to divide the inner cavity of the shell into an upper part and a lower part; the vacuum pump and the tail gas treatment device are arranged at the lower part; the pressure balance cavity and the connected pipeline are arranged on the upper part.
The middle bottom plate is provided with a fixed frame, and the pressure balance cavity is fixed on the fixed frame.
The bottom of the pressure balance cavity is provided with an evacuation channel, the end part of one side of the pressure balance cavity is provided with an emptying channel, and the upper part of the pressure balance cavity is provided with a verification channel; the detection channel is connected with the detected meter.
The tail gas treatment device is connected with the emptying channel of the pressure balance cavity through a metal hose.
The vacuum pump and the evacuation channel of the pressure balance cavity are connected by a metal hose.
The utility model discloses the effect as follows: this device is through internal integration pressure balancing unit, instrumentation, vacuum pump, tail gas processing apparatus, pressure pipeline, governing valve etc. and is gathering the flow parameter of instrument verification in-process, directly is used for examining and determine the instrument that stains of multiple range, model. Whole device designs with square, miniaturization, and each pipeline instrument is examined and determine to the convenience in the factory building.
The device is structurally layered, the upper layer is used for installing and fixing a balance cavity, a pressure pipeline and a metering valve, and the lower layer of the device is used as an installation part of a vacuum pump, a tail gas device and an exhaust pipeline. The design pressure balance cavity quick connect port possesses the function of 3 instruments of examination simultaneously. The balance cavity is pumped out and the exhaust port adopts a low-inlet-high-outlet mode, so that the stable and balanced pressure is ensured. When the pressure balance cavity is designed, the structure is optimized, so that the pressure of each monitoring point is not different due to the difference of positions, and the multi-meter verification efficiency is not influenced.
And vacuumizing by using a vacuum pump with an exhaust emission interface, wherein the vacuum pump is fixed on the device bottom plate in a bolt connection mode. The vacuum pump is connected with an evacuation pressure guiding pipe at an evacuation end in a buckling connection mode.
Drawings
FIG. 1 is a schematic view of a contamination meter calibration apparatus;
FIG. 2 is a schematic view of a pressure balancing chamber;
in the figure: 1. a pressure balance cavity; 2. a table to be checked; 3. a mounting plate of the detected meter; 4. a housing; 5. a metering valve; 6. a pressure connection pipe; 7. a vacuum pump; 8. a tail gas treatment device; 9. a universal wheel; 10. a fixed mount; 11. a middle bottom plate; a discharge pipe; 13. evacuating the channel; 14. emptying the channel; 15. and (6) detecting the channel.
Detailed Description
The present invention will be further explained with reference to the drawings and the detailed description.
As shown in fig. 1, the contamination meter calibrating apparatus includes a housing 4, a meter mounting plate 3 mounted on the housing 4, and a meter 2 fixedly mounted on the meter mounting plate 3;
a pressure balance cavity 1, a pipeline 6 connected with the pressure balance cavity 1, a vacuum pump 7 and a tail gas treatment device 8 which are respectively connected with the evacuation end and the discharge end of the pressure balance cavity 1 through the pipeline 6 are arranged in the shell 4;
the pipelines 6 at the evacuation end and the discharge end are respectively provided with a metering valve 5 for measuring the flow;
in order to facilitate the movement of the whole device, a universal wheel 9 is arranged at the bottom of the shell 4;
the shell 4 can be processed into a square frame structure, stainless steel plates are used as cover plates of six surfaces, and a front cover plate and a rear cover plate are arranged to be movable cabinet doors;
a middle bottom plate 11 is horizontally arranged in the shell 4 to divide the inner cavity of the shell 4 into an upper part and a lower part;
wherein, the upper part is used for installing the pressure balance cavity 1 and the connected pipeline 6;
the lower part is used for installing a vacuum pump 7 and an exhaust gas treatment device 8, and welding an exhaust pipe 12 for installing exhaust gas on the exhaust gas treatment device 8;
a fixing frame 10 is arranged on the middle bottom plate 11 and used for installing and fixing the pressure balance cavity 1;
as shown in fig. 1 and fig. 2, the gas is interface-mounted in a low-in and high-out manner, an evacuation channel 13 is mounted at the bottom of the pressure balance chamber 1, an evacuation channel 14 is mounted at one side end, and a verification channel 15 is mounted at the upper part and connected with the table 2 to be checked, wherein the verification channel 15 is mounted at the upper part;
the pressure balance cavity 1 is made of stainless steel and is designed into a high-level evacuation mode and a low-level evacuation mode. The tail gas treatment device 8 is connected with the emptying channel 14 of the pressure balance cavity 1 by a metal hose;
the vacuum pump 7 and the evacuation channel 13 of the pressure equalization chamber 1 are connected by a metal hose.
Claims (6)
1. The utility model provides a stain instrument calibrating installation which characterized in that: the device comprises a shell (4), a to-be-detected meter mounting plate (3) arranged on the shell (4), and a to-be-detected meter (2) fixedly arranged on the to-be-detected meter mounting plate (3); the device is characterized by further comprising a pressure balance cavity (1) arranged in the shell (4), a connecting pipeline (6) connected with the pressure balance cavity (1), and a vacuum pump (7) and a tail gas treatment device (8) which are respectively connected with the evacuation end and the discharge end of the pressure balance cavity (1) through the pipeline (6).
2. A contamination meter calibration device according to claim 1, wherein: a middle bottom plate (11) is horizontally arranged in the shell (4), and an inner cavity of the shell (4) is divided into an upper part and a lower part; the vacuum pump (7) and the tail gas treatment device (8) are arranged at the lower part; the pressure balance cavity (1) and the connected pipeline (6) are arranged at the upper part.
3. A contamination meter calibrating device according to claim 2, wherein: the middle bottom plate (11) is provided with a fixed frame (10), and the pressure balance cavity (1) is fixed on the fixed frame (10).
4. A contamination meter calibration device according to claim 1, wherein: an evacuation channel (13) is arranged at the bottom of the pressure balance cavity (1), an emptying channel (14) is arranged at the end part of one side of the pressure balance cavity, and a verification channel (15) is arranged at the upper part of the pressure balance cavity; the detection channel (15) is connected with the detected meter (2).
5. A contamination meter calibration device according to claim 1, wherein: the tail gas treatment device (8) is connected with the emptying channel (14) of the pressure balance cavity (1) through a metal hose.
6. A contamination meter calibration device according to claim 1, wherein: the vacuum pump (7) is connected with the evacuation channel (13) of the pressure balance cavity (1) by a metal hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123065358.7U CN218099563U (en) | 2021-12-08 | 2021-12-08 | Stain instrument calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123065358.7U CN218099563U (en) | 2021-12-08 | 2021-12-08 | Stain instrument calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218099563U true CN218099563U (en) | 2022-12-20 |
Family
ID=84444352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123065358.7U Active CN218099563U (en) | 2021-12-08 | 2021-12-08 | Stain instrument calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218099563U (en) |
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2021
- 2021-12-08 CN CN202123065358.7U patent/CN218099563U/en active Active
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