CN117091664A - Method for improving accuracy of flowmeter - Google Patents

Method for improving accuracy of flowmeter Download PDF

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Publication number
CN117091664A
CN117091664A CN202310866292.6A CN202310866292A CN117091664A CN 117091664 A CN117091664 A CN 117091664A CN 202310866292 A CN202310866292 A CN 202310866292A CN 117091664 A CN117091664 A CN 117091664A
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CN
China
Prior art keywords
flowmeter
flange
improving
accuracy
main body
Prior art date
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Pending
Application number
CN202310866292.6A
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Chinese (zh)
Inventor
李冬梅
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Chengde Bent Star Instr Co ltd
Original Assignee
Chengde Bent Star Instr Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengde Bent Star Instr Co ltd filed Critical Chengde Bent Star Instr Co ltd
Priority to CN202310866292.6A priority Critical patent/CN117091664A/en
Publication of CN117091664A publication Critical patent/CN117091664A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/12Cleaning arrangements; Filters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/12Cleaning arrangements; Filters
    • G01F15/125Filters

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The invention relates to the technical field of flowmeters, and discloses a method for improving the precision of a flowmeter, which comprises the following steps: step one: firstly, installing a filter assembly in the first flange at the left side, enabling a clamping plate on the filter assembly to be clamped into a clamping groove at the left side of the first flange, and secondly: when the mounting pipe is completely clamped into the first flange, and the sealing ring on the right side is attached to the inner wall of the main body pipe body of the flowmeter. According to the method for improving the accuracy of the flowmeter, the plugboard is arranged, when the filter assembly is required to be installed, the pull rod is pulled firstly to drive the plugboard to move, the plugboard drills the outside of the fixing rod to move and compress the spring, then the filter assembly is inserted into the left side of the flowmeter main body, the clamping board is clamped into the clamping groove in the first flange, the clamping board is initially limited, the pull rod is loosened again to enable the spring not to be stressed, then rebound to drive the plugboard to move, the plugboard is moved to be inserted into the slot in the top of the clamping board, and the clamping board is secondarily fixed, so that the filter assembly is convenient to install inside the flowmeter main body.

Description

Method for improving accuracy of flowmeter
Technical Field
The invention relates to the technical field of flowmeters, in particular to a method for improving the precision of a flowmeter.
Background
In industrial fields, the instrument for measuring the fluid flow is generally called a flowmeter or a flowmeter, is one of the most important instruments in industrial measurement, has higher and higher requirements on accuracy and range of the flow measurement along with the development of industry, and is widely applied to industries such as petroleum and natural gas, petrochemical industry, water treatment, food and beverage, pharmacy, energy, metallurgy, pulp and paper, building materials and the like in order to adapt to various purposes.
The application of the flowmeter in the market is very wide, the flowmeter refers to the measured flow and (or) the total amount of fluid in a selected time interval, namely, a meter for measuring the flow of fluid in a pipeline or an open channel, but most flowmeters have lower measurement precision in the use process, scale is contained in the measured fluid in the actual industrial production measurement process, so that the measurement accuracy is affected, and meanwhile, when the traditional flowmeter detects industrial sewage, the sewage is dirty, suspended matters in the sewage are high, dirt in the water is easy to adhere to the inner wall of the pipeline, so that the measurement precision of the flowmeter is reduced, and the applicability is not strong.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a method for improving the precision of a flowmeter, which has the advantage of improving the precision, and solves the problems that most flowmeters have lower measurement precision in the use process, scale is contained in measurement fluid in the actual industrial production measurement process, so that the measurement accuracy is influenced, and meanwhile, when the existing flowmeter detects industrial sewage, the sewage is dirty, suspended matters in the sewage are higher, dirt in the water is easy to adhere to the inner wall of a pipeline, so that the measurement precision of the flowmeter is reduced, and the applicability is not strong.
(II) technical scheme
In order to achieve the purpose of improving the precision, the invention provides the following technical scheme: a method of improving flowmeter accuracy, comprising the steps of:
step one: firstly, installing a filter assembly in the first flange at the left side, and enabling a clamping plate on the filter assembly to be clamped into a clamping groove at the left side of the first flange;
step two: when the mounting pipe is completely clamped into the first flange, the sealing ring on the right side is attached to the inner wall of the pipe body of the flowmeter main body;
step three: then the pull rod is loosened to enable the spring to rebound to drive the plugboard to move and be inserted into the slot in the clamping board;
step four, a step four is carried out; connecting the second flanges on the water inlet pipe and the water outlet pipe with the first flanges at two ends of the flowmeter main body;
step five: then the sewage enters the filtering component through the water inlet pipe for filtering, and the filtered sewage flows into the flowmeter main body;
step six: the flow velocity of the sewage can drive the blades to rotate, so that the blades rotate to drive the rotating shaft, and the rotating shaft rotates to drive the connecting rod to rotate;
step seven: the scraper is driven to rotate through the rotation of the connecting rod, so that the scraper rotates to clean the inner wall of the main body pipe body of the flowmeter.
Preferably, in the second step, a first flange is fixedly installed on both the left side and the right side of the flowmeter main body, and a filter assembly extending to the inside of the flowmeter main body is movably installed in the left side of the first flange.
Preferably, the flowmeter body and the filter assembly are provided with a fixing mechanism, the fixing mechanism comprises a clamping plate and a protective cover, the top and the bottom of the filter assembly are fixedly provided with clamping plates which extend to the inside of the first flange, the left side top of the flowmeter body is fixedly provided with the protective cover, the outside of the protective cover is provided with a pull rod which extends to the inside of the protective cover, the inside of the protective cover is fixedly provided with a fixing rod, the outside of the fixing rod is movably provided with a plugboard which extends to the inside of the first flange and is connected with the pull rod, and the outside of the fixing rod is sleeved with a spring.
Preferably, the filter component comprises a mounting tube, the inside movable mounting in left side of flowmeter main part has the mounting tube, the cardboard is located the mounting tube and goes up the both sides outside, the equal fixed mounting in left and right sides of mounting tube has the sealing washer, the inside fixed mounting of mounting tube has first filter, the inside of mounting tube just is located the right side fixed mounting of first filter has the second filter.
Preferably, in the fourth step, a second flange connected with the first flange is fixedly installed on the right side of the water inlet pipe and the left side of the water outlet pipe, and the first flange is connected with the second flange through a fixing bolt.
Preferably, the inside fixed mounting of flowmeter main part has the bearing, the inside fixed mounting of bearing has the pivot, the outside of pivot just is located the left and right sides of bearing and all fixed mounting has the blade.
Preferably, the left and right sides of pivot all fixed mounting has the connecting rod, one side fixed mounting that the connecting rod kept away from the pivot has the scraper blade that pastes with flowmeter main part inner wall, flowmeter main part's water gauge outside fixed mounting has the protective housing.
Preferably, the number of the connecting rods is four, the number of the four connecting rods is two, and each group of the connecting rods is two and is distributed at the top and the bottom of the rotating shaft.
Preferably, the left side the draw-in groove with cardboard looks adaptation is seted up in the left side of first flange, the slide hole with dead lever looks adaptation is seted up at the back of picture peg, the slot with picture peg looks adaptation is seted up at the top of cardboard, the left side the right side of a flange with the movable groove with picture peg looks adaptation has all been seted up in the left side of protection casing.
Preferably, one end of the spring is connected with the inner wall of the protective cover, and the other end of the spring is fixedly connected with the outer wall of the plugboard.
(III) beneficial effects
Compared with the prior art, the invention provides a method for improving the accuracy of a flowmeter, which comprises the following steps of
The beneficial effects are that:
1. according to the method for improving the accuracy of the flowmeter, when the filter assembly is required to be installed, the pull rod is pulled firstly to drive the insert plate to move, the insert plate drills the outside of the fixing rod to move and compress the spring, then the filter assembly is inserted into the left side of the flowmeter main body, the clamping plate is clamped into the clamping groove in the first flange, the clamping plate is initially limited, the pull rod is loosened to enable the spring not to be stressed, then the spring is rebounded to drive the insert plate to move, the insert plate is moved and inserted into the slot in the top of the clamping plate, the clamping plate is secondarily fixed, so that the filter assembly is convenient to install and the inside of the flowmeter main body, the filter assembly consists of an installation pipe, a sealing ring, a first filter plate and a second filter plate, two ends of the installation pipe can be sealed with the flowmeter main body and the inner wall of the water inlet pipe, sewage is prevented from leaking in the detection process, the first filter plate can filter large impurities, the second filter plate can filter small impurities, sewage is convenient to filter in the detection, and accordingly the effect of the detection accuracy of the flowmeter is improved.
2. According to the method for improving the accuracy of the flowmeter, the scraping plates are arranged, filtered sewage flows into the flowmeter body, the flow velocity of the sewage can drive the blades to rotate, the blades rotate to drive the rotating shaft, the rotating shaft stably rotates through the bearing and drives the connecting rod to rotate, the connecting rod rotates to drive the scraping plates to rotate to scrape the inner wall of the flowmeter body tube body, so that the flowmeter body can prevent impurities from adhering to the inner wall of the flowmeter body in the detection process, the influence of the impurities on the deviation of measured data is reduced, and the accuracy of the flowmeter body is guaranteed.
Drawings
FIG. 1 is a schematic diagram of an enhancement method of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the present invention;
FIG. 4 is an enlarged view of the invention at A in FIG. 2;
FIG. 5 is a schematic view of a filter assembly according to the present invention;
fig. 6 is a left side view of a partial structure of the present invention.
In the figure: 1. a flowmeter body; 2. a first flange; 3. a water inlet pipe; 4. a water outlet pipe; 5. a second flange; 6. a filter assembly; 601. installing a pipe; 602. a seal ring; 603. a first filter plate; 604. a second filter plate; 7. a fixing mechanism; 701. a clamping plate; 702. a protective cover; 703. a pull rod; 704. a fixed rod; 705. inserting plate; 706. a spring; 8. a bearing; 9. a rotating shaft; 10. a blade; 11. a connecting rod; 12. a scraper; 13. and a protective box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: a method of improving flowmeter accuracy, comprising the steps of:
step one: firstly, the filter assembly 6 is arranged in the first flange 2 at the left side, so that the clamping plate 701 on the filter assembly 6 is clamped into the clamping groove at the left side of the first flange 2;
step two: when the mounting tube 601 is completely clamped into the first flange 2, the sealing ring 602 on the right side is attached to the inner wall of the tube body of the flowmeter main body 1;
step three: then the pull rod 703 is released to enable the spring 706 to rebound to drive the plugboard 705 to move and be inserted into the slot inside the clamping board 701;
step four, a step four is carried out; the second flanges 5 on the water inlet pipe 3 and the water outlet pipe 4 are connected with the first flanges 2 at the two ends of the flowmeter main body 1;
step five: then the sewage enters the filtering component 6 through the water inlet pipe 3 for filtering, and the filtered sewage flows into the flowmeter main body 1;
step six: the flow velocity of the sewage can drive the blades 10 to rotate, so that the blades 10 rotate to drive the rotating shaft 9, and the rotating shaft 9 rotates to drive the connecting rod 11 to rotate;
step seven: the scraper 12 is driven to rotate by the rotation of the connecting rod 11, so that the scraper 12 rotates to clean the inner wall of the pipe body of the flowmeter main body 1.
Embodiment two: the first flange 2 is fixedly installed on the left side and the right side of the flowmeter body 1, the filter assembly 6 extending to the inside of the flowmeter body 1 is movably installed in the left side of the first flange 2 on the left side, the filter assembly 6 comprises a mounting tube 601, the mounting tube 601 is movably installed in the left side of the flowmeter body 1, the sealing rings 602 are fixedly installed on the left side and the right side of the mounting tube 601, the first filter plate 603 is fixedly installed in the inside of the mounting tube 601, and the second filter plate 604 is fixedly installed on the right side of the first filter plate 603.
Can seal the both ends of installing pipe 601 with flowmeter main part 1 and inlet tube 3 inner wall through sealing washer 602, prevent that sewage from leaking at the in-process that detects, big impurity can be filtered to first filter 603, and little impurity can be filtered to second filter 604, makes the sewage be convenient for filter when detecting to improve the effect of flowmeter detection precision.
Embodiment III: be provided with fixed establishment 7 on flowmeter main part 1 and the mounting tube 601, fixed establishment 7 includes cardboard 701 and protection casing 702, the equal fixed mounting in top and bottom of mounting tube 601 has cardboard 701 that extends to the inside of first flange 2, the left side top fixed mounting of flowmeter main part 1 has protection casing 702, the outside of protection casing 702 is provided with the pull rod 703 that extends to its inside, the inside fixed mounting of protection casing 702 has dead lever 704, the outside movable mounting of dead lever 704 has the picture peg 705 that extends to the inside of first flange 2 and is connected with pull rod 703, spring 706 has been cup jointed to the outside of dead lever 704.
Through the cooperation of cardboard 701 and picture peg 705, when the installation filter module 6, pull rod 703 makes it drive picture peg 705 and remove earlier, the picture peg 705 bores the outside of dead lever 704 and removes and compress spring 706, then insert filter module 6 in flowmeter main part 1 left side, and cardboard 701 card is gone into in the draw-in groove of first flange 2 inside, make cardboard 701 preliminary spacing, loosen pull rod 703 again and make spring 706 rebound drive picture peg 705 remove after not receiving pressure, picture peg 705 removes in inserting the slot at cardboard 701 top, make cardboard 702 secondary fixed, thereby make filter module 6 be convenient for install with flowmeter main part 1's inside, realize filter module 6 and be convenient for the dismouting effect of clearance.
Experimental example three: and step four, the right side of the water inlet pipe 3 and the left side of the water outlet pipe 4 are fixedly provided with a second flange 5 connected with the first flange 2, and the first flange 2 and the second flange 5 are connected through fixing bolts.
Through the first flange 2 and the second flange 5, the water inlet pipe 3 and the water outlet pipe 4 are conveniently fixed on the left side and the right side of the flowmeter main body 1.
Experimental example four: the inside fixed mounting of flowmeter main part 1 has bearing 8, and the inside fixed mounting of bearing 8 has pivot 9, and the outside of pivot 9 just is located the equal fixed mounting of the left and right sides of bearing 8 and has blade 10, and the equal fixed mounting in the left and right sides of pivot 9 has connecting rod 11, and one side fixed mounting that connecting rod 11 kept away from pivot 9 has scraper blade 12 that pastes with flowmeter main part 1 inner wall, and the outside fixed mounting of water gauge of flowmeter main part 1 has protective housing 13.
Through scraper blade 12, filterable sewage inflow flowmeter main part 1's inside, the velocity of flow of sewage can drive blade 10 and rotate, make blade 10 rotate and drive pivot 9, pivot 9 is through the stable rotation of bearing 8 and drive connecting rod 11 and rotate, connecting rod 11 rotates and drives scraper blade 12 and rotate, make scraper blade 12 rotate and scrape the clearance to flowmeter main part 1 body inner wall, thereby make flowmeter main part 1 can prevent its inner wall of impurity adhesion at the in-process that detects, reduce the condition that receives impurity influence measurement data deviation, and then guaranteed flowmeter main part 1's accuracy, can protect the effect to flowmeter of flowmeter main part 1 through protective housing 13.
The beneficial effects of the invention are as follows: through setting up picture peg 705, when needing to install filter unit 6, pull rod 703 makes it drive picture peg 705 and remove earlier, picture peg 705 bores the outside of dead lever 704 and removes and compress spring 706, then insert filter unit 6 in flowmeter main part 1 left side, and cardboard 701 card is gone into in the draw-in groove of first flange 2 inside, make cardboard 701 preliminary spacing, loosen pull rod 703 and make spring 706 rebound drive picture peg 705 remove after not receiving pressure again, picture peg 705 removes the slot of inserting cardboard 701 top, make cardboard 702 secondary fixed, thereby make filter unit 6 be convenient for install with flowmeter main part 1's inside, and filter unit 6 comprises mounting tube 601, sealing washer 602, first filter 603 and second filter 604, sealing washer 602 can seal the both ends of mounting tube 601 with flowmeter main part 1 and inlet tube 3 inner wall, prevent that sewage from leaking in the process of detecting, first filter 603 can filter big impurity, second filter the little impurity, make sewage be convenient for filter during the detection, thereby improve the effect of flowmeter detection precision.
Moreover, through setting up scraper blade 12, filterable sewage inflow flowmeter main part 1's inside, the velocity of flow of sewage can drive blade 10 and rotate, makes blade 10 rotate and drives pivot 9, and pivot 9 passes through the stable rotation of bearing 8 and drives connecting rod 11 and rotate, and connecting rod 11 rotates and drive scraper blade 12 and rotate, makes scraper blade 12 rotate and scrapes the clearance to flowmeter main part 1 body inner wall, thereby makes flowmeter main part 1 can prevent its inner wall of impurity adhesion at the in-process that detects, reduces the condition that receives impurity influence measurement data deviation, and then has guaranteed the accuracy of flowmeter main part 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A method of improving accuracy of a flow meter, comprising the steps of:
step one: firstly, a filter assembly (6) is arranged in a first flange (2) at the left side, so that a clamping plate (701) on the filter assembly (6) is clamped into a clamping groove at the left side of the first flange (2);
step two: when the mounting pipe (601) is completely clamped into the first flange (2), and the sealing ring (602) on the right side is attached to the inner wall of the pipe body of the flowmeter main body (1);
step three: then the pull rod (703) is loosened to enable the spring (706) to rebound to drive the plugboard (705) to move and be inserted into the slot in the clamping board (701);
step four, a step four is carried out; the water inlet pipe (3) and the water outlet pipe (4) are connected with the first flanges (2) at the two ends of the flowmeter main body (1);
step five: then, sewage enters a filtering component (6) through a water inlet pipe (3) for filtering, and the filtered sewage flows into the flowmeter main body (1);
step six: the flow velocity of the sewage can drive the blades (10) to rotate, so that the blades (10) rotate to drive the rotating shaft (9), and the rotating shaft (9) rotates to drive the connecting rod (11) to rotate;
step seven: the scraper (12) is driven to rotate by the rotation of the connecting rod (11), so that the scraper (12) rotates to clean the inner wall of the pipe body of the flowmeter main body (1).
2. The method for improving the accuracy of the flowmeter according to claim 1, wherein in the second step, a first flange (2) is fixedly installed on each of the left side and the right side of the flowmeter body (1), and a filter assembly (6) extending into the flowmeter body (1) is movably installed inside the left side of the first flange (2).
3. The method for improving the accuracy of the flowmeter according to claim 2, wherein a fixing mechanism (7) is arranged on the flowmeter body (1) and the filtering component (6), the fixing mechanism (7) comprises a clamping plate (701) and a protective cover (702), the clamping plate (701) extending to the inside of the first flange (2) is fixedly arranged at the top and the bottom of the filtering component (6), the protective cover (702) is fixedly arranged at the top of the left side of the flowmeter body (1), a pull rod (703) extending to the inside of the protective cover (702) is arranged at the outside of the protective cover (702), a fixing rod (704) is fixedly arranged at the inside of the protective cover (702), a plug board (705) extending to the inside of the first flange (2) and connected with the pull rod (703) is movably arranged at the outside of the fixing rod (704), and a spring (706) is sleeved at the outside of the fixing rod (704).
4. A method for improving accuracy of a flow meter according to claim 3, characterized in that the filter assembly (6) comprises a mounting tube (601), the mounting tube (601) is movably mounted in the left side of the flow meter main body (1), the clamping plates (701) are located outside the upper side and the lower side of the mounting tube (601), sealing rings (602) are fixedly mounted on the left side and the right side of the mounting tube (601), a first filter plate (603) is fixedly mounted in the mounting tube (601), and a second filter plate (604) is fixedly mounted in the mounting tube (601) and located on the right side of the first filter plate (603).
5. The method for improving the accuracy of the flowmeter according to claim 1, wherein in the fourth step, a second flange (5) connected with the first flange (2) is fixedly installed on the right side of the water inlet pipe (3) and the left side of the water outlet pipe (4), and the first flange (2) and the second flange (5) are connected through fixing bolts.
6. The method for improving the accuracy of the flowmeter according to claim 1, wherein a bearing (8) is fixedly arranged in the flowmeter body (1), a rotating shaft (9) is fixedly arranged in the bearing (8), and blades (10) are fixedly arranged on the outer part of the rotating shaft (9) and positioned on the left side and the right side of the bearing (8).
7. The method for improving the accuracy of the flowmeter according to claim 6, wherein connecting rods (11) are fixedly arranged on the left side and the right side of the rotating shaft (9), scraping plates (12) which are attached to the inner wall of the flowmeter main body (1) are fixedly arranged on one side, away from the rotating shaft (9), of the connecting rods (11), and a protective box (13) is fixedly arranged outside the water meter of the flowmeter main body (1).
8. A method of improving the accuracy of a flow meter according to claim 7, characterized in that the number of connecting rods (11) is four, the four connecting rods (11) are in two groups, two groups each being distributed at the top and bottom of the spindle (9).
9. The method for improving the accuracy of the flowmeter according to claim 3, wherein a clamping groove matched with a clamping plate (701) is formed in the left side of the first flange (2) on the left side, a sliding hole matched with a fixing rod (704) is formed in the back of the clamping plate (705), a slot matched with the clamping plate (705) is formed in the top of the clamping plate (701), and movable grooves matched with the clamping plate (705) are formed in the right side of the flange (2) on the left side and the left side of the protective cover (702) on the left side.
10. A method of improving the accuracy of a flow meter according to claim 3, characterized in that one end of the spring (706) is connected to the inner wall of the shield (702) and the other end is fixedly connected to the outer wall of the insert plate (705).
CN202310866292.6A 2023-07-14 2023-07-14 Method for improving accuracy of flowmeter Pending CN117091664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310866292.6A CN117091664A (en) 2023-07-14 2023-07-14 Method for improving accuracy of flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310866292.6A CN117091664A (en) 2023-07-14 2023-07-14 Method for improving accuracy of flowmeter

Publications (1)

Publication Number Publication Date
CN117091664A true CN117091664A (en) 2023-11-21

Family

ID=88778902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310866292.6A Pending CN117091664A (en) 2023-07-14 2023-07-14 Method for improving accuracy of flowmeter

Country Status (1)

Country Link
CN (1) CN117091664A (en)

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