CN218097889U - Explosion-proof gas waist wheel flowmeter - Google Patents
Explosion-proof gas waist wheel flowmeter Download PDFInfo
- Publication number
- CN218097889U CN218097889U CN202120447621.XU CN202120447621U CN218097889U CN 218097889 U CN218097889 U CN 218097889U CN 202120447621 U CN202120447621 U CN 202120447621U CN 218097889 U CN218097889 U CN 218097889U
- Authority
- CN
- China
- Prior art keywords
- screw pump
- flowmeter
- explosion
- gas medium
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The explosion-proof gas roots flowmeter comprises a roots flowmeter, and an explosion-proof device is also arranged at the inlet end of the roots flowmeter; the explosion-proof device comprises a first joint, a second joint and a screw pump. The utility model provides an explosion-proof type gas roots flowmeter, the inlet end of the gas roots flowmeter is provided with an explosion-proof device, and a filter screen arranged between a second joint and the inlet of a screw pump can effectively prevent impurities in a gas medium from entering the screw pump, thereby effectively preventing the impurities from entering the roots flowmeter; the gas medium is conveyed to the waist wheel flowmeter through the screw pump, when the pressure of the gas medium in the pipeline is high, the gas medium can be blocked by the screw pump, then the gas medium with stable pressure is conveyed to the waist wheel flowmeter through the screw pump, the condition that the waist wheel flowmeter is damaged due to high pressure of the gas medium or more impurities in the gas medium is avoided, and meanwhile safety accidents are avoided.
Description
Technical Field
The utility model belongs to the technical field of the flowmeter, concretely relates to gaseous roots flowmeter of explosion-proof type.
Background
The waist wheel flowmeter is a high-precision meter for continuously or intermittently measuring the flow in a pipeline, has the characteristics of high precision, good reliability, light weight, long service life, convenient installation and use and the like, and is a typical characteristic of a positive displacement flowmeter. The waist wheel flowmeter is widely applied to flow monitoring of gas media. The working principle of the waist wheel flowmeter is that the waist wheel flowmeter has higher requirement on monitored media, particularly gas media, if the gas media contain more impurities, the normal operation of the waist wheel flowmeter can be seriously influenced, the waist wheel flowmeter can be seriously damaged and even explode, so that safety accidents are caused, and therefore, in order to avoid the safety accidents, the explosion-proof gas waist wheel flowmeter is designed and becomes the technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides an explosion-proof type gas roots flowmeter, the inlet end of the gas roots flowmeter is provided with an explosion-proof device, and a filter screen arranged between the second joint and the inlet of the screw pump can effectively prevent impurities in the gas medium from entering the screw pump, thereby effectively preventing the impurities from entering the roots flowmeter; the gas medium is conveyed to the waist-wheel flowmeter through the screw pump, when the pressure of the gas medium in the pipeline is high, the gas medium can be blocked by the screw pump, then the gas medium with stable pressure is conveyed to the waist-wheel flowmeter through the screw pump, the situation that the waist-wheel flowmeter is damaged due to high pressure of the gas medium or more impurities in the gas medium is avoided, and meanwhile safety accidents are avoided.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
the explosion-proof gas roots flowmeter comprises a roots flowmeter, and an explosion-proof device is also arranged at the inlet end of the roots flowmeter; the explosion-proof device comprises a first joint, a second joint and a screw pump, wherein the first joint is arranged at the outlet of the screw pump, the screw pump is fixedly connected with the inlet end of the waist wheel flowmeter in a sealing manner through the first joint, the second joint is arranged at the inlet of the screw pump, and a filter screen is arranged between the second joint and the inlet of the screw pump.
The screw pump is a single-shaft screw pump or a double-shaft screw pump.
The filter screen is a plastic filter screen or a metal filter screen.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
an explosion-proof device is arranged at the inlet end of the gas waist-wheel flowmeter, and a filter screen is arranged between the second joint and the inlet of the screw pump, so that impurities in a gas medium can be effectively prevented from entering the screw pump, and further, the impurities are effectively prevented from entering the waist-wheel flowmeter; the gas medium is conveyed to the waist-wheel flowmeter through the screw pump, when the pressure of the gas medium in the pipeline is high, the gas medium can be blocked by the screw pump, then the gas medium with stable pressure is conveyed to the waist-wheel flowmeter through the screw pump, the situation that the waist-wheel flowmeter is damaged due to high pressure of the gas medium or more impurities in the gas medium is avoided, and meanwhile safety accidents are avoided.
To sum up, the explosion-proof type gas roots flowmeter provided by the utility model has the advantages that the explosion-proof device is arranged at the inlet end of the gas roots flowmeter, and the filter screen arranged between the second joint and the inlet of the screw pump can effectively prevent impurities in the gas medium from entering the screw pump, so that the impurities are effectively prevented from entering the roots flowmeter; the gas medium is conveyed to the waist wheel flowmeter through the screw pump, when the pressure of the gas medium in the pipeline is high, the gas medium can be blocked by the screw pump, then the gas medium with stable pressure is conveyed to the waist wheel flowmeter through the screw pump, the condition that the waist wheel flowmeter is damaged due to high pressure of the gas medium or more impurities in the gas medium is avoided, and meanwhile safety accidents are avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
as shown in fig. 1, the explosion-proof gas roots flowmeter comprises a roots flowmeter 1, wherein an explosion-proof device is arranged at the inlet end of the roots flowmeter 1; the explosion-proof device comprises a first joint 2, a second joint 3 and a screw pump 4, wherein the first joint 2 is arranged at the outlet of the screw pump 4, the screw pump 4 is fixedly connected with the inlet end of the waist-wheel flowmeter 1 in a sealing manner through the first joint 2, the second joint 3 is arranged at the inlet of the screw pump 4, a filter screen 5 is further arranged between the second joint 3 and the inlet of the screw pump 4, and the second joint 3 and the inlet of the screw pump 4 are in threaded sealing connection, so that the filter screen 5 is convenient to replace.
The screw pump 4 is a single-shaft screw pump or a double-shaft screw pump.
The filter screen 5 is a plastic filter screen or a metal filter screen.
The utility model discloses a use method:
an explosion-proof device is arranged at the inlet end of the gas roots flowmeter 1, and a filter screen 5 arranged between the second joint 3 and the inlet of the screw pump 4 can effectively prevent impurities in a gas medium from entering the screw pump 4, so that the impurities are effectively prevented from entering the roots flowmeter 1; the gas medium is conveyed to the roots flowmeter 1 through the screw pump 4, when the pressure of the gas medium in the pipeline is large, the gas medium can be blocked by the screw pump 4, then the gas medium with stable pressure is conveyed to the roots flowmeter 1 through the screw pump 4, the condition that the roots flowmeter 1 is damaged due to the fact that the pressure of the gas medium is large or impurities in the gas medium are large is avoided, and meanwhile safety accidents are avoided.
To sum up, the explosion-proof gas roots flowmeter 1 provided by the utility model has the advantages that the explosion-proof device is arranged at the inlet end of the gas roots flowmeter 1, and the filter screen 5 arranged between the second joint 3 and the inlet of the screw pump 4 can effectively prevent impurities in the gas medium from entering the screw pump 4, so that the impurities are effectively prevented from entering the roots flowmeter 1; the gas medium is conveyed to the roots flowmeter 1 through the screw pump 4, when the pressure of the gas medium in the pipeline is large, the gas medium can be blocked by the screw pump 4, then the gas medium with stable pressure is conveyed to the roots flowmeter 1 through the screw pump 4, the condition that the roots flowmeter 1 is damaged due to the fact that the pressure of the gas medium is large or impurities in the gas medium are large is avoided, and meanwhile safety accidents are avoided.
The screw pump 4 and the filter screen 5 adopted in the utility model are the existing conventional technologies, and the specific structural features are not described in detail.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (3)
1. Explosion-proof type gas roots flowmeter, including the roots flowmeter, its characterized in that: the inlet end of the waist wheel flowmeter is also provided with an explosion-proof device; the explosion-proof device comprises a first joint, a second joint and a screw pump, wherein the first joint is arranged at the outlet of the screw pump, the screw pump is fixedly connected with the inlet end of the waist wheel flowmeter in a sealing manner through the first joint, the second joint is arranged at the inlet of the screw pump, and a filter screen is arranged between the second joint and the inlet of the screw pump.
2. The explosion-proof gas roots flowmeter of claim 1, wherein: the screw pump is a single-shaft screw pump or a double-shaft screw pump.
3. The explosion proof gas roots meter of claim 2, wherein: the filter screen is a plastic filter screen or a metal filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447621.XU CN218097889U (en) | 2021-03-02 | 2021-03-02 | Explosion-proof gas waist wheel flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447621.XU CN218097889U (en) | 2021-03-02 | 2021-03-02 | Explosion-proof gas waist wheel flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218097889U true CN218097889U (en) | 2022-12-20 |
Family
ID=84443942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120447621.XU Active CN218097889U (en) | 2021-03-02 | 2021-03-02 | Explosion-proof gas waist wheel flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218097889U (en) |
-
2021
- 2021-03-02 CN CN202120447621.XU patent/CN218097889U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218097889U (en) | Explosion-proof gas waist wheel flowmeter | |
| CN202152914U (en) | Natural gas recovery device for oil well | |
| CN115824901A (en) | Anti-bubble type lubricating oil online monitoring method and device | |
| CN213022277U (en) | Check valve failure detection device | |
| CN210979362U (en) | Long-tube trailer supply system for supplying special gas | |
| CN213144887U (en) | Automatic exhaust centrifugal pump | |
| CN210068426U (en) | Valve and vacuum pump fastening structure | |
| CN209705371U (en) | A kind of high-pressure ball valve with redundancy packing seal structure | |
| CN221256962U (en) | Gas filter of generator set | |
| CN209352596U (en) | A kind of reflux regulator | |
| CN215962379U (en) | Novel Y-shaped filter | |
| CN207095621U (en) | Plunger type resistance orifice plate | |
| CN204420538U (en) | A kind of compact type connects filter valve block | |
| CN216612518U (en) | A feed mechanism for processing of advertisement reflecting material | |
| CN221091736U (en) | Buffer tank connecting pipe structure | |
| CN205261234U (en) | Measurement integrated device cools down | |
| CN216888236U (en) | Liquid seal emptying device | |
| CN217635107U (en) | Gas pressure energy stable power generation system | |
| CN114962818A (en) | Groove type connecting structure | |
| CN215762499U (en) | High-efficient hydraulic power unit | |
| CN220084097U (en) | Split vortex shedding flowmeter | |
| CN220961433U (en) | Primary taste hydrocarbon sensor probe with constant sensitivity | |
| CN206281602U (en) | A kind of differential pressure transmitter blowdown apparatus | |
| CN215259239U (en) | Natural gas conveying device | |
| CN221033149U (en) | Anti-blocking slurry pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |