CN216593587U - Prevent blockking up device that improves flowmeter precision - Google Patents
Prevent blockking up device that improves flowmeter precision Download PDFInfo
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- CN216593587U CN216593587U CN202122811907.4U CN202122811907U CN216593587U CN 216593587 U CN216593587 U CN 216593587U CN 202122811907 U CN202122811907 U CN 202122811907U CN 216593587 U CN216593587 U CN 216593587U
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Abstract
The utility model discloses a device for improving the accuracy of a flow meter in an anti-blocking manner, which comprises a steam pipeline, an orifice plate flow meter and a transmitter, wherein the orifice plate flow meter is arranged on a conveying channel of the steam pipeline, and a small hole is formed in the middle part in the orifice plate flow meter for water to pass through. The two ends of the outer side of the orifice plate flowmeter are respectively provided with an angle valve, the angle valves are movably connected with feedback pipes, one ends of the two feedback pipes, which are far away from the angle valves, are respectively connected with a transmitter, and the transmitter is connected with a display screen through a transmission line; transparent viewing cavities and branch pipes are arranged on the conveying channels of the two feedback pipes, the branch pipes are located between the viewing cavities and the transmitters, and first ball valves are arranged on the branch pipes. The utility model can check, find and judge whether the feedback pipe of the orifice plate flowmeter is blocked in time, can conveniently and quickly carry out pollution discharge and clearance on the feedback pipe, and enables the orifice plate flowmeter to accurately meter the steam flow.
Description
Technical Field
The utility model relates to the technical field of water flow detection, in particular to a device for improving the accuracy of a flowmeter in an anti-blocking mode.
Background
The orifice plate flowmeter is often used in measuring fluid flow, if the orifice plate flowmeter is installed on a steam pipeline, the installation position of the steam pipeline is higher sometimes, so that the distance between the orifice plate flowmeter and a transmitter is far, a feedback pipe connected between the orifice plate flowmeter and the transmitter is longer, and because the diameter of the feedback pipe is thinner, and the diameter of a middle hole of the orifice plate flowmeter is smaller than that of the steam pipeline, dirt or impurities in the steam pipeline are easily blocked at two sides of the orifice plate, so that the dirt or the impurities possibly enter the feedback pipe and then block the feedback pipe. Because the feedback pipe of the orifice plate flowmeter is an opaque thin metal pipeline, the blockage or unsmooth blockage of the feedback pipe can cause inaccurate flow measured by the flowmeter, even steam flow cannot be measured, and the blockage of the feedback pipe is not easy to be found.
Therefore, how to provide a device capable of effectively avoiding the blockage of the feedback tube and thus improving the accuracy of the flow meter becomes a technical problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for improving the accuracy of a flow meter by preventing blockage, which can timely check, find and judge whether a feedback pipe of a pore plate flow meter is blocked, can conveniently and quickly discharge sewage and clean blocked impurities from the feedback pipe, and can accurately measure the steam flow of the pore plate flow meter.
According to one aspect of the utility model, the device for improving the accuracy of the flowmeter in the anti-blocking manner comprises a steam pipeline, an orifice plate flowmeter and a transmitter, wherein the orifice plate flowmeter is arranged on a conveying channel of the steam pipeline, and a small hole is formed in the middle part in the orifice plate flowmeter for water to pass through;
the two ends of the outer side of the orifice plate flowmeter are respectively provided with an angle valve, the angle valves are movably connected with feedback pipes, one ends of the two feedback pipes, which are far away from the angle valves, are respectively connected with a transmitter, the transmitter is connected with a display screen through a transmission line, and the transmitter is used for converting differential pressure signals of the orifice plate flowmeter, which are positioned at the two ends of the small hole, into flow signals for metering and transmitting the signals to the display screen through the transmission line; transparent observing cavities and branch pipes are arranged on the conveying channels of the two feedback pipes, the branch pipes are positioned between the observing cavities and the transmitters, and first ball valves are arranged on the branch pipes; when the water flow in the observation cavity is obviously reduced, the first ball valve is opened, and the water flow containing impurities is discharged through the branch pipe.
Optionally, according to the device for improving accuracy of the flow meter against blockage of the present invention, a dirt collecting groove is further provided on an outer side wall of the steam pipeline in a downward protruding manner, and the dirt collecting groove is located on a front side of the orifice plate flow meter.
Optionally, according to the device for improving the accuracy of the flow meter against blockage, a drain pipe is further arranged below the sewage collecting tank, and a drain valve is arranged on the drain pipe.
Optionally, according to the device for improving accuracy of a flow meter against blockage, a stainless steel hose is further disposed between the feedback pipe and the angle valve, and the stainless steel hose is movably connected with the angle valve and the feedback pipe.
Optionally, according to the device for improving accuracy of a flow meter against blockage of the present invention, the feedback pipe is connected to the stainless steel hose through a three-way valve, and a blockage head is disposed at another end of the three-way valve.
Optionally, the device for improving the accuracy of the flow meter by preventing blockage further comprises an air compressor, wherein a connecting hose is arranged on the air compressor, a second ball valve is arranged on the connecting hose, quick connectors are arranged at the end parts of the branch pipe and the connecting hose, and the quick connectors are used for quickly connecting the branch pipe and the air compressor;
when the feedback pipe is seriously blocked, the angle valve is closed, the blocking head of the three-way valve is pulled out, the air compressor is connected with the branch pipe, and the feedback pipe is reversely swept by the air compressor, so that the feedback pipe is dredged.
Optionally, according to the device for improving accuracy of the flow meter against blockage, a floater is arranged in the observation cavity, and a through hole corresponding to the feedback pipe is formed in the middle of the floater.
Optionally, according to the device for improving accuracy of a flowmeter for preventing blockage of the utility model, the diameter of the small hole is smaller than the inner diameter of the steam pipeline.
The transparent viewing cavity is arranged on the feedback tube of the orifice plate flowmeter, so that the flow in the feedback tube can be effectively monitored through the viewing cavity, and whether the feedback tube is blocked or not can be quickly judged; simultaneously, the feedback pipe is provided with the first ball valve and the branch pipe, and impurities in the feedback pipe can be removed by opening the first ball valve, so that the feedback pipe is prevented from being seriously blocked. In addition, when the feedback pipe blockked up, this practicality can also be connected with the quick-operation joint on the branch pipe through the flexible pipe of giving vent to anger of air compressor machine, opens the end cap on the tee bend again, carries out reverse purging to the feedback pipe to the mediation feedback pipe. Therefore, the utility model can check, find and judge whether the feedback pipe of the orifice plate flowmeter is blocked in time, can conveniently and quickly carry out pollution discharge on the feedback pipe and clear blocked impurities, and enables the orifice plate flowmeter to accurately meter the steam flow.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural diagram of the device for improving accuracy of a flow meter against clogging disclosed in the present invention.
Description of reference numerals: 1-a steam pipeline; 2-orifice plate flow meter; 3-a transmitter; 4-a sewage collecting tank; 5-a sewage draining pipe; 6-a blowdown valve; a 7-angle valve; 8-stainless steel hose; 9-three-way valve; 10-a stopper; 11-a feedback tube; 12-viewing the lumen; 13-a float; 14-a manifold; 15-a first ball valve; 16-a quick coupling; 17-a display screen; 18-a transmission line; 19-an air compressor; 20-connecting a hose; 21-second ball valve.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
According to the figure 1, the utility model provides a device for improving the accuracy of a flowmeter in an anti-blocking manner, which comprises a steam pipeline 1, an orifice plate flowmeter 2 and a transmitter 3, wherein the orifice plate flowmeter 2 is arranged on a conveying channel of the steam pipeline 1, and a small hole is formed in the middle part in the orifice plate flowmeter 2 for water to pass through.
The two ends of the outer side of the orifice plate flowmeter 2 are respectively provided with an angle valve 7, the angle valves 7 are movably connected with feedback pipes 11, one ends of the two feedback pipes 11 far away from the angle valves 7 are respectively connected with a transmitter 3, the transmitter 3 is connected with a display screen 17 through a transmission line 18, and the transmitter 3 is used for converting differential pressure signals of the orifice plate flowmeter 2 at the two ends of the small hole into flow signals for metering and transmitting the signals to the display screen 17 through the transmission line 18; the conveying channels of the two feedback pipes 11 are also provided with transparent observing cavities 12 and branch pipes 14, the branch pipes 14 are positioned between the observing cavities 12 and the transmitter 3, and the branch pipes 14 are provided with first ball valves 15; when the flow of water in the viewing chamber 12 is significantly reduced, the first ball valve 15 is opened and the water containing impurities is discharged through the branch pipe 14.
In implementation, the transparent viewing cavity 12 is arranged on the feedback pipe 11 of the orifice plate flowmeter 2, and the flow in the feedback pipe 11 can be effectively monitored through the viewing cavity 12, so that whether the feedback pipe 11 is blocked or not can be quickly judged; meanwhile, the first ball valve 15 and the branch pipe 14 are installed on the feedback pipe 11, and the first ball valve 15 is opened to remove impurities in the feedback pipe 11 so as to avoid serious blockage of the feedback pipe 11. In addition, when the feedback pipe 11 is blocked, the utility model can also be connected with the quick coupling 16 on the branch pipe 14 through the air outlet hose of the air compressor 19, and then the plug on the tee joint is opened to reversely blow the feedback pipe 11, thereby dredging the feedback pipe 11. Therefore, the utility model can check, find and judge whether the feedback pipe 11 of the orifice plate flowmeter 2 is blocked in time, can conveniently and quickly carry out pollution discharge and blockage impurity cleaning on the feedback pipe 11, and enables the orifice plate flowmeter 2 to accurately measure the steam flow.
Furthermore, a dirt collecting groove 4 is formed in the outer side wall of the steam pipeline 1 in a downward protruding mode, and the dirt collecting groove 4 is located on the front side of the orifice plate flowmeter 2. If there is impurity in the steam pipe 1, the impurity flows through the dirt collecting groove 4 before flowing into the orifice plate flowmeter 2, and the impurity is precipitated in the dirt collecting groove 4, so that the impurity can be effectively prevented from entering the feedback pipe 11.
Furthermore, a sewage discharge pipe 5 is arranged below the sewage collection groove 4, and a sewage discharge valve 6 is arranged on the sewage discharge pipe 5. In implementation, impurities in the sewage collecting tank 4 can be discharged through the sewage discharge pipe 5 and the sewage discharge valve 6 by opening the sewage discharge valve 6 periodically.
Further, a stainless steel hose 8 is arranged between the feedback pipe 11 and the angle valve 7, and the stainless steel hose is movably connected with the angle valve 7 and the feedback pipe 11. Can adjust the direction of feedback pipe 11 through the stainless steel hose, avoid the condition that the distance is overlength between feedback pipe 11 and orifice plate flowmeter 2, can't buckle.
Still further, the feedback pipe 11 is connected with the stainless steel hose through a three-way valve 9, and the other end of the three-way valve 9 is provided with a plugging head 10. The contaminated water stream may be pre-discharged through a three-way valve 9.
Still further, the air compressor 19 is further included, a connecting hose 20 is arranged on the air compressor 19, a second ball valve 21 is arranged on the connecting hose 20, quick connectors 16 are arranged at the end portions of the branch pipes 14 and the end portions of the connecting hose 20, and the quick connectors 16 are used for quickly connecting the branch pipes 14 with the air compressor 19; when the feedback pipe 11 is seriously blocked, the angle valve 7 is closed, the blocking head 10 of the three-way valve 9 is pulled out, the air compressor 19 is connected with the branch pipe 14, and the feedback pipe 11 is reversely blown and swept by the air compressor 19, so that the feedback pipe 11 is dredged.
Furthermore, a floater 13 is arranged in the observation cavity 12, and a through hole corresponding to the feedback pipe 11 is arranged in the middle of the floater 13. Whether the feedback pipe 11 is blocked can be analyzed by observing the up-and-down movement of the floater 13 or the fluid flow in the sight glass through the sight glass; in addition, a round hole is formed in the middle of the floater 13, so that liquid can flow through the round hole, the floater 13 is prevented from blocking the feedback pipe 11, and when the floater 13 is arranged, the floater 13 can be arranged to be in a relatively obvious color so as to be convenient to observe.
Further, the diameter of the small hole is smaller than the inner diameter of the steam pipe 1.
Further, all connect through the loose joint between feedback pipe 11, changer 3, three-way valve 9, the stainless steel hose 8, if feedback pipe 11 or stainless steel hose 8 block up seriously, unable clearance or feedback pipe 11 corrosion etc. need change, then can unpack loose joint etc. between each part, carry out quick, convenient changing to stainless steel hose 8, feedback pipe 11 etc. respectively, still avoided cutting and welding.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (8)
1. The device for improving the accuracy of the flowmeter in the anti-blocking mode is characterized by comprising a steam pipeline, an orifice plate flowmeter and a transmitter, wherein the orifice plate flowmeter is arranged on a conveying channel of the steam pipeline, and a small hole is formed in the middle of the orifice plate flowmeter for water to pass through;
the two ends of the outer side of the orifice plate flowmeter are respectively provided with an angle valve, the angle valves are movably connected with feedback pipes, one ends of the two feedback pipes, which are far away from the angle valves, are respectively connected with a transmitter, the transmitter is connected with a display screen through a transmission line, and the transmitter is used for converting differential pressure signals of the orifice plate flowmeter, which are positioned at the two ends of the small hole, into flow signals for metering and transmitting the signals to the display screen through the transmission line; transparent observing cavities and branch pipes are arranged on the conveying channels of the two feedback pipes, the branch pipes are positioned between the observing cavities and the transmitters, and first ball valves are arranged on the branch pipes; when the water flow in the observation cavity is obviously reduced, the first ball valve is opened, and the water flow containing impurities is discharged through the branch pipe.
2. The anti-clogging device for improving accuracy of a flowmeter according to claim 1, wherein a dirt collecting groove is further formed on the outer side wall of the steam pipeline in a downward protruding mode, and the dirt collecting groove is located on the front side of the orifice plate flowmeter.
3. The anti-clogging device for improving the accuracy of a flowmeter according to claim 2, wherein a drain pipe is further arranged below the dirt collection groove, and a drain valve is arranged on the drain pipe.
4. The anti-clogging apparatus for improving accuracy of a flow meter according to claim 1, wherein a stainless steel hose is further disposed between the feedback tube and the angle valve, and the stainless steel hose is movably connected to the angle valve and the feedback tube.
5. The anti-clogging device for improving accuracy of a flowmeter according to claim 4, wherein the feedback pipe is connected with the stainless steel hose through a three-way valve, and a clogging head is arranged at the other end of the three-way valve.
6. The anti-clogging device for improving the accuracy of the flow meter according to claim 5, further comprising an air compressor, wherein a connecting hose is arranged on the air compressor, a second ball valve is arranged on the connecting hose, quick connectors are arranged at the end portions of the branch pipe and the connecting hose, and the quick connectors are used for quickly connecting the branch pipe and the air compressor;
when the feedback pipe is seriously blocked, the angle valve is closed, the blocking head of the three-way valve is pulled out, the air compressor is connected with the branch pipe, and the feedback pipe is reversely swept by the air compressor, so that the feedback pipe is dredged.
7. The anti-clogging device for improving accuracy of a flowmeter according to claim 1, wherein a float is disposed in the observation chamber, and a through hole corresponding to the feedback pipe is disposed in a middle portion of the float.
8. The anti-clogging apparatus for improving accuracy of a flow meter according to claim 1, wherein said orifice has a diameter smaller than an inner diameter of said vapor conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811907.4U CN216593587U (en) | 2021-11-13 | 2021-11-13 | Prevent blockking up device that improves flowmeter precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811907.4U CN216593587U (en) | 2021-11-13 | 2021-11-13 | Prevent blockking up device that improves flowmeter precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216593587U true CN216593587U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122811907.4U Active CN216593587U (en) | 2021-11-13 | 2021-11-13 | Prevent blockking up device that improves flowmeter precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216593587U (en) |
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2021
- 2021-11-13 CN CN202122811907.4U patent/CN216593587U/en active Active
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