CN211085374U - Differential pressure type flowmeter with anti-blocking device - Google Patents
Differential pressure type flowmeter with anti-blocking device Download PDFInfo
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- CN211085374U CN211085374U CN201922181889.9U CN201922181889U CN211085374U CN 211085374 U CN211085374 U CN 211085374U CN 201922181889 U CN201922181889 U CN 201922181889U CN 211085374 U CN211085374 U CN 211085374U
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Abstract
The utility model discloses a differential pressure type flowmeter with an anti-blocking device, which comprises a base, a probe and a pressure tapping pipe; the base is arranged on an opening of the pipeline to be measured; the probe penetrates through the mounting base and extends into the pipeline, the probe is fixedly connected with the base through a flange, and a plurality of pressure taking holes are uniformly formed in the probe; the pressure sampling pipe is connected with the probe, and the upper end of the pressure sampling pipe can be provided with a differential pressure transmitter; the pressure sampling pipe is also provided with a drain pipe which inclines downwards, and the lower end of the drain pipe is provided with a drain valve. The communicated inclined pipes are downwards provided with dust exhaust, water discharge and sewage discharge valves which are regularly discharged without blockage. The medium passing through the straight pipe and the inclined pipe is clean, and the differential pressure transmitter is convenient to measure and use. Thereby ensuring the stability of the differential pressure type flowmeter.
Description
Technical Field
The utility model relates to a differential pressure type flowmeter, especially a differential pressure type flowmeter of stifled device is prevented in area.
Background
The flow rate of fluid is an important parameter in industrial production, and differential pressure type flow measurement is used as a method which is most widely used for flow measurement, and the accurate measurement of the differential pressure type flow measurement is of great significance to industrial monitoring and automatic control. The flow meter includes a differential pressure type flow meter, a rotor flow meter and the like. The differential pressure type flowmeter is an instrument for measuring a flow rate based on a differential pressure generated at different points of a flow rate detecting member installed in a pipe, a known fluid condition, and a geometric dimension of the detecting member and the pipe.
In the existing industrial production process (such as steel, boiler, etc.), the flue gas pressure in the pipeline needs to be detected according to the process requirements. After the positive and negative pressure tapping pipes detected by the differential pressure type flowmeter sensor are led out from the pipeline, the gas, the smoke and other miscellaneous dirt media are easily blocked above the just-discharged pipeline and are difficult to dredge, and the normal measurement is often influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, an object of the utility model is to provide a differential pressure type flowmeter of stifled function is prevented in area to solve the technical problem in the above-mentioned background art.
In order to achieve the above object, the present invention provides the following technical solutions:
a differential pressure type flowmeter with an anti-blocking device comprises a base, a probe and a pressure tapping pipe; the base is arranged on an opening of the pipeline to be measured; the probe penetrates through the mounting base and extends into the pipeline, the probe is fixedly connected with the base through a flange, and a plurality of pressure taking holes are uniformly formed in the probe; the pressure sampling pipe is connected with the probe, and the upper end of the pressure sampling pipe can be provided with a differential pressure transmitter; the pressure sampling pipe is also provided with a drain pipe which inclines downwards, and the tail end of the drain pipe is provided with a drain valve.
The downward inclination angle of the sewage discharge pipe is 45 degrees, and the tail end of the pipe is provided with a sewage discharge valve.
The pressure sampling pipe is welded on the downward-inclined blow-off pipe and communicated with the blow-off pipe, and is vertically upward, and the tail end of the pressure sampling pipe is provided with a pressure sampling valve.
The pressure tapping pipe is also provided with a purging pipe, and the upper end of the purging pipe is externally connected with an air compressor.
And a purging valve is arranged at the joint of the purging pipe and the air purging device.
Adopt above-mentioned technical scheme, the utility model discloses a differential pressure type flowmeter beneficial effect that stifled function was prevented in area is:
1. when the differential pressure flowmeter adopts the structure, the straight pipe part is provided with the purge valve for purging at fixed time when dust exists, and the dust cannot be deposited.
2. The inclined pipe communicated with the pressure sampling pipe is downwards provided with a dust discharging valve, a water discharging valve and a sewage discharging valve, and the valves are periodically discharged without blockage. The medium passing through the straight pipe and the inclined pipe is clean, and the differential pressure transmitter is convenient to measure and use. Thereby ensuring the stability of the differential pressure type flowmeter.
Drawings
Fig. 1 is a schematic structural diagram of a differential pressure type flowmeter with an anti-blocking device.
In the figure: 1-a base; 2-a probe; 3-pressing the pipe; 4-a flange; 5-pressure tapping; 6-a sewage draining pipe; 7-a blowdown valve; 8-a purge tube; 9-a purge valve; 10-pressure taking valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
1. As shown in fig. 1, the differential pressure flowmeter with an anti-blocking device of the present invention comprises a base 1, a probe 2 and a pressure sampling tube 3; the base 1 is arranged on an opening of a pipeline to be measured; the probe 2 penetrates through the installation base 1 and extends into the pipeline, and is fixedly connected with the base through a flange 4, and a plurality of pressure taking holes 5 are uniformly formed in the probe 2; the pressure tapping pipe 3 is connected with the probe 2 and is provided with a pressure tapping valve 10. The upper end of the pressure sampling pipe 3 can be provided with a differential pressure type transmitter (not shown in the figure); the pressure sampling pipe 3 is welded on the downward blow off pipe 6 of 45 degrees slope and is communicated with the blow off pipe 6, and vertically upwards, the pressure sampling valve 10 is installed at the tail end, and the blow off valve 7 is installed at the lower end of the blow off pipe 6. The communicated downward inclined sewage discharge pipe 6 is provided with a sewage discharge valve 7 downward, and the sewage discharge valve is periodically discharged without blockage. The medium passing through the sewage discharge pipe 6 is clean, and the differential pressure transmitter is convenient to measure and use. Thereby ensuring the stability of the differential pressure type flowmeter.
The pressure sampling pipe 3 is also provided with a purging pipe 8, and the upper end of the purging pipe 8 is externally connected with an air compressor (not shown); and a purge valve 9 is arranged at the joint of the purge pipe 8 and the air compressor. When dust exists in the pressure sampling pipe 3, the blowing valve 9 is arranged on the blowing pipe 8 part for blowing at fixed time, and the dust cannot be deposited.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (5)
1. The utility model provides a differential pressure type flowmeter of stifled device is prevented in area which characterized in that: comprises a base, a probe and a pressure tapping pipe; the base is arranged on an opening of the pipeline to be measured; the probe penetrates through the mounting base and extends into the pipeline, the probe is fixedly connected with the base through a flange, and a plurality of pressure taking holes are uniformly formed in the probe; the pressure sampling pipe is connected with the probe, and the upper end of the pressure sampling pipe can be provided with a differential pressure transmitter; the pressure sampling pipe is also provided with a drain pipe which inclines downwards, and the tail end of the drain pipe is provided with a drain valve.
2. A differential pressure flowmeter with an anti-clogging device as defined in claim 1, characterized in that: the downward inclination angle of the sewage discharge pipe is 45 degrees, and the tail end of the pipe is provided with a sewage discharge valve.
3. The differential pressure type flowmeter with the anti-blocking device according to claim 1 or 2, characterized in that: the pressure sampling pipe is welded on the downward-inclined blow-off pipe and communicated with the blow-off pipe, and is vertically upward, and the tail end of the pressure sampling pipe is provided with a pressure sampling valve.
4. The differential pressure type flowmeter with the anti-blocking device according to claim 1 or 2, characterized in that: the pressure tapping main pipe is also provided with a purging pipe, and the upper end of the purging pipe is externally connected with an air compressor.
5. The differential pressure type flowmeter with the anti-blocking device according to claim 4, characterized in that: and a purge valve is arranged at the joint of the purge pipe and the air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181889.9U CN211085374U (en) | 2019-12-09 | 2019-12-09 | Differential pressure type flowmeter with anti-blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181889.9U CN211085374U (en) | 2019-12-09 | 2019-12-09 | Differential pressure type flowmeter with anti-blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211085374U true CN211085374U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922181889.9U Active CN211085374U (en) | 2019-12-09 | 2019-12-09 | Differential pressure type flowmeter with anti-blocking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418569A (en) * | 2021-06-18 | 2021-09-21 | 马鞍山钢铁股份有限公司 | Cleaning device for venturi tube flow measurement pipeline and control method thereof |
-
2019
- 2019-12-09 CN CN201922181889.9U patent/CN211085374U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418569A (en) * | 2021-06-18 | 2021-09-21 | 马鞍山钢铁股份有限公司 | Cleaning device for venturi tube flow measurement pipeline and control method thereof |
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