CN219265408U - Flowmeter clear stifled device - Google Patents
Flowmeter clear stifled device Download PDFInfo
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- CN219265408U CN219265408U CN202320288682.5U CN202320288682U CN219265408U CN 219265408 U CN219265408 U CN 219265408U CN 202320288682 U CN202320288682 U CN 202320288682U CN 219265408 U CN219265408 U CN 219265408U
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Abstract
The present disclosure relates to a flowmeter unblocking device, comprising: a measuring tube having opposite inlet and outlet ends, the inlet end for communication with an outlet of the multi-media filtration system; the runner flowmeter is arranged on the side wall of the measuring tube, and the runner of the runner flowmeter is positioned in the measuring tube; and the cleaning pipeline is communicated with the measuring pipe from the side wall of the measuring pipe and is used for spraying air and/or liquid to the rotating wheel. Through the technical scheme, the flowmeter can be cleaned through the cleaning pipeline, when the reading deviation of the flowmeter is smaller, the runner of the flowmeter can be sprayed by the cleaning pipeline, when the reading deviation of the flowmeter is larger, the flowmeter can be cleaned by spraying liquid through the cleaning pipeline, and when the reading deviation of the flowmeter is extremely large, the flowmeter can be cleaned by spraying liquid through the cleaning pipeline and spraying liquid through the runner.
Description
Technical Field
The present disclosure relates to the field of water treatment filtration devices, and in particular, to a flow meter blocking removal device.
Background
The turbidity of the circulating water discharged from the thermal power plant is large, the circulating water needs to pass through a multi-medium filtering system to reduce the turbidity, a runner flowmeter is arranged at the water outlet of the multi-medium filtering system, the runner flowmeter is arranged in a measured fluid pipeline, the runner is impacted by fluid to rotate, and the rotating speed of the runner is used for reacting the flow. The thermal power generating unit water system 24h is operated uninterruptedly, and the runner of the runner flowmeter is blocked frequently to cause inaccurate flow data displayed by the instrument due to medium reasons, so that an operation and maintenance person is required to strike the outer wall of a pipeline on site, the sludge of the inner runner is enabled to fall off through pipeline vibration, or the multi-medium filtering system is required to be stopped, the runner flowmeter is dismantled to be cleaned, the workload of maintenance personnel is large, and the efficiency is low.
Disclosure of Invention
An object of the present disclosure is to provide a flow meter blocking removal device that can perform blocking removal operation of a flow meter without stopping a multi-media filtration system, so as to at least partially solve the above-mentioned technical problems.
To achieve the above object, the present disclosure provides a flow meter blocking removal device, including: a measuring tube having opposed inlet and outlet ends, the inlet end for communication with an outlet of the multi-media filtration system; the runner flowmeter is arranged on the side wall of the measuring tube, and a runner of the runner flowmeter is positioned in the measuring tube; and the cleaning pipeline is communicated with the measuring pipe from the side wall of the measuring pipe and is used for spraying air and/or liquid to the rotating wheel.
Optionally, the cleaning pipeline comprises a gas cleaning pipeline and a water cleaning pipeline which are respectively communicated with the measuring pipe, the gas cleaning pipeline is used for spraying gas to the rotating wheel, and the water cleaning pipeline is used for spraying liquid to the rotating wheel.
Optionally, still be equipped with the gas wash mouth on the survey buret, the one end of gas wash pipeline with the gas wash mouth links to each other, the other end of gas wash pipeline is connected with the air supply, first relief pressure valve, first solenoid valve and first manual stop gate have set gradually along the flow direction of gas on the gas wash pipeline.
Optionally, a pneumatic check valve is disposed on the air wash pipeline between the first solenoid valve and the first manual stop gate.
Optionally, still be equipped with the washing mouth on the survey buret, the one end of washing pipeline with the washing mouth links to each other, the other end of washing pipeline is connected with the water source, water pressure governing valve, pneumatic butterfly valve and the manual stop gate of second have been set gradually along the flow direction of liquid on the washing pipeline.
Optionally, the flowmeter blockage removing device further comprises a pneumatic control branch, one end of the pneumatic control branch is connected with a pneumatic actuator of the pneumatic butterfly valve, the other end of the pneumatic control branch is connected with an air source, and a second pressure reducing valve and a second electromagnetic valve are sequentially arranged on the pneumatic control branch along the flowing direction of the air.
Optionally, the water washing pipeline is further provided with a filter which is positioned upstream of the water pressure regulating valve along the flowing direction of the liquid.
Optionally, the flowmeter clear stifled device still includes the controller, the entrance point of survey pipe with the export of multi-media filtration system passes through the front end pipeline section and links to each other, the exit end of survey pipe is equipped with the rear end pipeline section, be equipped with the front end manometer on the front end pipeline section, be equipped with the rear end manometer on the rear end pipeline section, the controller respectively with the front end manometer the rear end manometer, set up first solenoid valve on the gas wash pipeline, be used for controlling the setting and be in the second solenoid valve signal connection of the pneumatic butterfly valve on the water wash pipeline.
Optionally, the measuring tube and the front end tube section and the measuring tube and the rear end tube section are detachably connected through two flanges respectively, and a sealing gasket is arranged between the two flanges.
Optionally, a water leakage preventing material is arranged at the joint of the runner flowmeter and the measuring tube.
Through the technical scheme, the flowmeter can be cleaned through the cleaning pipeline, the cleaning pipeline can jet air through the rotating wheel of the gas flowmeter, can clean liquid spraying of the flowmeter, and can clean the flowmeter by mixing the air jet and the liquid spraying.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a perspective view of a flow meter unblocking device provided in an exemplary embodiment of the present disclosure;
FIG. 2 is an elevation view of a flow meter unblocking device provided in an exemplary embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of the position A-A of FIG. 2;
fig. 4 is a system diagram of a flow meter unblocking device provided in an exemplary embodiment of the present disclosure.
Description of the reference numerals
1-measuring a tube; 2-a runner flowmeter; 3-an air washing pipeline; 4-air source; 5-a first solenoid valve; 6-a first manual shut-off gate; 7-a first pressure reducing valve; 8-pneumatic check valve; 9-washing the pipeline; 10-a water source; 1001-a first water source; 1002-a second water source; 11-a pneumatic butterfly valve; 12-a second manual shut-off gate; 13-a pneumatic control branch; 14-a second solenoid valve; 15-a second pressure reducing valve; 16-a water pressure regulating valve; 17-a filter; 18-a first electrically powered door; 19-a second electrically operated gate; 20-front end pipe section; 21-a rear end pipe section; 22-front end manometer; 23-back end manometer.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In this disclosure, unless otherwise indicated, terms of orientation such as "upper and lower" are used to generally refer to "upper and lower" that are opposite in the direction of gravity when the corresponding component is in use, and "inner and outer" refer to inner and outer relative to the contour of the component or structure itself. In addition, it should be noted that terms such as "first, second", etc. are used to distinguish one element from another element without order or importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.
According to a specific embodiment of the first aspect of the present disclosure, there is provided a flow meter blockage-cleaning device comprising a measuring tube 1, a runner flow meter 2 and a cleaning line, the measuring tube 1 having opposite inlet and outlet ends, the inlet end being for communication with an outlet of a multi-media filtration system; the runner flowmeter 2 is arranged on the side wall of the measuring tube 1, and the runner of the runner flowmeter 2 is positioned in the measuring tube 1; the cleaning line is connected to the measuring tube 1 from the side wall of the measuring tube 1 for spraying air and/or liquid to the wheel.
Through the technical scheme, the flowmeter can be cleaned through the cleaning pipeline, when the reading deviation of the flowmeter is smaller, the runner of the flowmeter can be sprayed by the cleaning pipeline, when the reading deviation of the flowmeter is larger, the flowmeter can be cleaned by spraying liquid through the cleaning pipeline, and when the reading deviation of the flowmeter is extremely large, the flowmeter can be cleaned by spraying liquid through the cleaning pipeline and spraying liquid through the runner.
In some embodiments, referring to the illustrations in fig. 1-4, the purge line comprises a purge line 3 and a purge line 9, each in communication with the measurement tube 1, the purge line 3 being configured to inject a gas into the rotor and the purge line 9 being configured to inject a liquid into the rotor.
The air washing and the water washing are divided into two pipelines which are convenient to control, and meanwhile, the air washing or the water washing or the air-water mixed washing can be selected according to the dirt degree of the rotating wheel.
In order to facilitate connection of the measuring pipe 1 and the air washing pipeline 3, the measuring pipe 1 is also provided with an air washing port, one end of the air washing pipeline 3 is connected with the air washing port, and the other end of the air washing pipeline 3 is connected with an air source 4.
The measuring pipe 1 and the air washing pipeline 3 can be connected through threads, for example, an inner thread is arranged on the inner wall of an air washing port, an external thread matched with the inner thread is arranged at one end of the air washing pipeline 3 connected with the measuring pipe 1, and air leakage can be avoided at the joint of the air washing pipeline 3 and the measuring pipe 1 through resin smearing. In addition, the air source can be provided by a compressed air tank, and the air on site can be collected and used as the air source after being pressurized by an air pump.
Referring to fig. 4, a first pressure reducing valve 7, a first solenoid valve 5, and a first manual shut-off valve 6 are sequentially provided on the gas wash pipe 3 in the flow direction of the gas.
When the flowmeter blockage removing device is put into use, the first manual stop door 6 is opened and kept in a normally open state by a worker on the site, and when an emergency is met, the worker can stop the operation of the air washing pipeline 3 by closing the first manual stop door 6. When the first manual stop gate 6 is opened, the on-off of the whole air washing pipeline 3 is controlled by the first electromagnetic valve 5, and when the air washing pipeline 3 is required to work, a worker controls to open the first electromagnetic valve 5 to conduct the air washing pipeline, and the blocking-clearing gas can come to the runner of the runner flowmeter 2 from the air source 4 through the air washing pipeline 3 and clear the air washing pipeline. The first pressure reducing valve 7 can properly reduce the pressure of the gas, and avoid damage to the runner flowmeter 2 caused by excessive air pressure.
In order to prevent liquid from flowing backwards into the gas wash line 3, the gas wash line 3 may be provided with a pneumatic check valve 8 between the first solenoid valve 5 and the first manual shut-off gate 6.
When the first manual stop gate 6 and the first electromagnetic valve 5 are simultaneously opened, if the air pressure is insufficient at this time, the liquid may flow backward into the air-wash pipeline 3, so that damage is caused to each element, in order to avoid such a situation, the pneumatic check valve 8 may be provided, the working direction of the pneumatic check valve 8 is the same as the flowing direction of the air in the pipe, and when no air passes through the first end of the pneumatic check valve 8, or when the air pressure is small, the liquid cannot enter the pneumatic check valve 8 from the second end opposite to the first end, so that the check effect is achieved.
In order to facilitate connection of the measuring tube 1 and the water washing pipeline 9, the measuring tube 1 is also provided with a water washing port, one end of the water washing pipeline 9 is connected with the water washing port, and the other end of the water washing pipeline 9 is connected with a water source 10.
The measuring pipe 1 and the water washing pipeline 9 can be connected through threads, for example, an inner thread is arranged on the inner wall of the water washing opening, an external thread matched with the inner thread is arranged at one end of the water washing pipeline 9 connected with the measuring pipe 1, and leakage can be avoided at the joint of the water washing pipeline 9 and the measuring pipe 1 through winding a waterproof adhesive tape.
In addition to clean water sources, aspects of the water source 10 may use water within a multi-media filtration system as the water source 10. For example, the effluent filtered by the multi-media filtration system is used as a first water source 1001, the inlet water before the filtration of the multi-media filtration system is used as a second water source 1002, and the first water source 1001 and the second water source 1002 are connected to the water washing pipeline 9 after the first electric door 18 and the second electric door 19 are additionally arranged. The water pressure between the first water source 1001 and the second water source 1002 is different, and whether a single water source or a mixed water source is used can be selected according to the need.
Referring to fig. 4, a water pressure regulating valve 16, a pneumatic butterfly valve 11, and a second manual shut-off valve 12 are provided in this order in the flow direction of the liquid on the washing pipe 9.
When the flowmeter blockage-removing device is put into use, the second manual stop door 12 is opened and kept in a normally open state by a worker at the site, and when an emergency is met, the worker can stop the operation of the water washing pipeline 9 by closing the second manual stop door 12. When the second manual stop gate 12 is opened, the on-off of the whole water washing pipeline 9 is controlled by the pneumatic butterfly valve 11, and when the water washing pipeline 9 is required to work, a worker controls to open the pneumatic butterfly valve 11 to conduct, and the water for cleaning and blocking can come to the rotating wheel of the rotating wheel flowmeter 2 from the water source 10 through the water washing pipeline 9 and clean the rotating wheel. The water pressure regulating valve 16 can properly reduce the water pressure, and avoid damage to the runner flowmeter 2 caused by excessive water pressure.
The pneumatic actuator of pneumatic butterfly valve 11 also needs to drive with the help of compressed air, and the clear stifled device of flowmeter still includes pneumatic control branch road 13, and pneumatic control branch road 13's one end links to each other with pneumatic actuator of pneumatic butterfly valve 11, and pneumatic actuator can use same air supply 4 jointly with air wash pipeline 3 with the other end of pneumatic control branch road 13 links to each other with air supply 4, has set gradually second relief pressure valve 15 and second solenoid valve 14 along the flow direction of gas on the pneumatic control branch road 13.
The second pressure reducing valve 15 can properly reduce the pressure of the gas, so that the second electromagnetic valve 14 is prevented from being damaged due to overlarge air pressure, the on-off of the air control branch 13 is controlled by the second electromagnetic valve 14, when the second electromagnetic valve 14 is in a communicating state, the gas passes through the second electromagnetic valve 14 to the pneumatic butterfly valve 11, the pneumatic butterfly valve 11 is opened, the water washing pipeline 9 is conducted, when the second electromagnetic valve 14 is in a closing state, the gas cannot pass through the second electromagnetic valve 14 to the pneumatic butterfly valve 11, the pneumatic butterfly valve 11 is in a closing state, and the water washing pipeline 9 is closed.
When water inside the multi-media filtration system is used as the water source 10, the water quality is inferior to that of the pure water source 10, and a filter 17 upstream of the water pressure regulating valve 16 in the flow direction of the liquid may be further provided on the water washing line 9 in order to purify the water quality.
When the first water source 1001 is used, the water quality of the first water source 1001 is similar to the water quality in the measuring pipe 1, and the water quality of the outlet water is not excessively affected. When the pressure of the first water source 1001 cannot meet the requirement, the second water source 1002 can be started to assist the first water source 1001, the water quality of the second water source 1002 is slightly worse than that in the measuring tube 1, and the filter 17 can filter out impurities in some water, so that excessive influence on the water quality of the outlet water is avoided.
In order to determine the condition of the flowmeter and control the on-off of the air-wash pipeline 3 and the water-wash pipeline 9, referring to fig. 1 and 2, the flowmeter blocking-cleaning device may further include a controller, wherein the inlet end of the measuring tube 1 is connected with the outlet of the multi-media filtering system through a front end tube section 20, the outlet end of the measuring tube 1 is provided with a rear end tube section 21, the front end tube section 20 is provided with a front end pressure gauge 22, the rear end tube section 21 is provided with a rear end pressure gauge 23, and the controller is respectively in signal connection with the front end pressure gauge 22, the rear end pressure gauge 23, the first electromagnetic valve 5 arranged on the air-wash pipeline 3, and the second electromagnetic valve 14 for controlling the pneumatic butterfly valve 11 arranged on the water-wash pipeline 9.
The controller may also be in signal connection with a first electrically operated gate 18 and a second electrically operated gate 19, respectively, when the water wash line 9 employs water inside the multi-media filtration system as the water source 10.
When the difference between the readings of the front-end pressure gauge 22 and the rear-end pressure gauge 23 is not more than 0.05Mpa, the controller judges that the runner flowmeter 2 is normal at this time, and the cleaning pipeline is not started. When the difference between the readings of the front end pressure gauge 22 and the rear end pressure gauge 23 is more than 0.05Mpa but not more than 0.1Mpa, the controller judges that the runner flowmeter 2 is slightly jammed at this time, and starts the air-wash pipeline 3 to clean the runner flowmeter 2. When the difference between the readings of the front end pressure gauge 22 and the rear end pressure gauge 23 is more than 0.1Mpa but not more than 0.2Mpa, the controller judges that the runner flowmeter 2 is moderately jammed at this time, and starts the washing pipeline 9 to clean the runner flowmeter 2. When the difference between the readings of the front-end pressure gauge 22 and the rear-end pressure gauge 23 exceeds 0.2Mpa, the controller judges that the runner flowmeter 2 is seriously jammed, and simultaneously starts the air washing pipeline 3 and the water washing pipeline 9 to clean the same.
There are various connection modes between the measuring tube 1 and the front end tube section 20 and the rear end tube section 21, and besides welding, as shown in fig. 1 to 3, between the measuring tube 1 and the front end tube section 20 and between the measuring tube 1 and the rear end tube section 21 can be detachably connected by two flanges, respectively, between which sealing gaskets are provided.
The sealing gasket can prevent leakage between the two flange plates, and the sealing gasket can be a polytetrafluoroethylene gasket or an asbestos rubber gasket.
The joint of the runner flowmeter 2 and the measuring tube 1 also has hidden trouble of leakage, and in order to avoid leakage, the joint of the runner flowmeter 2 and the measuring tube 1 is provided with a water leakage preventing material.
The water leakage preventing material can be waterproof adhesive tape, and the device can clean the runner flowmeter 2 without disassembling the runner flowmeter, so that the joint can be sealed by using resin or rubber as the water leakage preventing material.
The present disclosure exemplarily describes the operation of the flow meter blocking remover, for example, in the case where the flow meter blocking remover is required to be used, a worker opens the first manual stop door 6 and the second manual stop door 12, and the controller reads readings of the front end pressure gauge 22 and the rear end pressure gauge 23, and then determines whether to start the cleaning pipeline according to the difference value of the readings. When the readings show that the rotary flow meter 2 works normally, the first electromagnetic valve 5 or the second electromagnetic valve 14 can be actively controlled by the staff in the field to manually clean the rotary flow meter 2, so that impurity accumulation is avoided.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. A flowmeter unblocking device, comprising:
a measuring tube having opposed inlet and outlet ends, the inlet end for communication with an outlet of the multi-media filtration system;
the runner flowmeter is arranged on the side wall of the measuring tube, and a runner of the runner flowmeter is positioned in the measuring tube; and
and the cleaning pipeline is communicated with the measuring pipe from the side wall of the measuring pipe and is used for spraying air and/or liquid to the rotating wheel.
2. The flowmeter blockage removal device of claim 1, wherein the purge line includes a purge line and a purge line in communication with the measurement tube, respectively, the purge line being configured to inject a gas toward the wheel and the purge line being configured to inject a liquid toward the wheel.
3. The flowmeter blockage removing device according to claim 2, wherein the measuring tube is further provided with a gas washing port, one end of the gas washing pipeline is connected with the gas washing port, the other end of the gas washing pipeline is connected with a gas source, and the gas washing pipeline is sequentially provided with a first pressure reducing valve, a first electromagnetic valve and a first manual stop door along the flow direction of the gas.
4. The flowmeter unblocking device of claim 3, wherein the air purge line is provided with a pneumatic check valve positioned between the first solenoid valve and the first manual shut-off gate.
5. The flowmeter blockage removing device according to claim 2, wherein the measuring tube is further provided with a water washing port, one end of the water washing pipeline is connected with the water washing port, the other end of the water washing pipeline is connected with a water source, and the water washing pipeline is sequentially provided with a water pressure regulating valve, a pneumatic butterfly valve and a second manual stop valve along the flow direction of liquid.
6. The flowmeter blockage removing device according to claim 5, further comprising a pneumatic control branch, wherein one end of the pneumatic control branch is connected with the pneumatic actuator of the pneumatic butterfly valve, the other end of the pneumatic control branch is connected with the air source, and the pneumatic control branch is sequentially provided with a second pressure reducing valve and a second electromagnetic valve along the flow direction of the air.
7. The flowmeter blockage removal device of claim 5, wherein the water wash line is further provided with a filter upstream of the water pressure regulator valve in a direction of flow of the liquid.
8. The flowmeter blockage removing device according to claim 2, further comprising a controller, wherein an inlet end of the measuring tube is connected with an outlet of the multi-medium filtering system through a front end tube section, a rear end tube section is arranged at an outlet end of the measuring tube, a front end pressure gauge is arranged on the front end tube section, a rear end pressure gauge is arranged on the rear end tube section, and the controller is respectively connected with the front end pressure gauge, the rear end pressure gauge, a first electromagnetic valve arranged on the air washing pipeline, and a second electromagnetic valve for controlling a pneumatic butterfly valve arranged on the water washing pipeline.
9. The flowmeter unblocking device of claim 8, wherein the measuring tube and the front-end pipe section and the measuring tube and the rear-end pipe section are each detachably connected by two flanges, and a sealing gasket is disposed between the two flanges.
10. The flowmeter blockage removal device of claim 1, wherein a water leakage prevention material is provided at a junction of the rotary flowmeter and the measuring tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288682.5U CN219265408U (en) | 2023-02-10 | 2023-02-10 | Flowmeter clear stifled device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288682.5U CN219265408U (en) | 2023-02-10 | 2023-02-10 | Flowmeter clear stifled device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219265408U true CN219265408U (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320288682.5U Active CN219265408U (en) | 2023-02-10 | 2023-02-10 | Flowmeter clear stifled device |
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| Country | Link |
|---|---|
| CN (1) | CN219265408U (en) |
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- 2023-02-10 CN CN202320288682.5U patent/CN219265408U/en active Active
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