CN112268586A - Intelligent electromagnetic flowmeter for measuring slurry and measuring method thereof - Google Patents
Intelligent electromagnetic flowmeter for measuring slurry and measuring method thereof Download PDFInfo
- Publication number
- CN112268586A CN112268586A CN202011222990.5A CN202011222990A CN112268586A CN 112268586 A CN112268586 A CN 112268586A CN 202011222990 A CN202011222990 A CN 202011222990A CN 112268586 A CN112268586 A CN 112268586A
- Authority
- CN
- China
- Prior art keywords
- measuring
- inside lining
- module
- microprocessor
- lining
- 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.)
- Granted
Links
- 239000002002 slurry Substances 0.000 title claims description 22
- 238000000034 method Methods 0.000 title abstract description 6
- 230000005284 excitation Effects 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000000691 measurement method Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details 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
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The application discloses measure intelligent electromagnetic flowmeter of thick liquid and measurement method thereof, the flowmeter includes controller and measuring tube, is provided with flange in measuring tube's both sides, still is provided with mated electrode and arranges the solenoid at the measuring tube surface on measuring tube, is provided with the inside lining on measuring tube's inner wall, be provided with the fixed part with inside lining integrated into one piece in the both sides of inside lining, the fixed part is fixed with flange. The measurement method comprises the following steps that a microprocessing signal is sent to an excitation output module to generate an excitation signal, and the excitation signal is loaded on an electromagnetic coil; loading an excitation signal on an electromagnetic coil to measure the flow so as to obtain a corresponding current signal; the current signals are amplified, filtered and AD converted, then sent to a microprocessor for processing, calculated to obtain corresponding data, and sent to a display module for display. This application is fixed through fixed part and flange, and it is firm to have guaranteed the installation of inside lining, prevents droing of inside lining at the in-process inside lining that the thick liquid erodees.
Description
Technical Field
The application relates to the technical field of flowmeters, in particular to an intelligent electromagnetic flowmeter for measuring slurry and a measuring method thereof.
Background
Electromagnetic flowmeters are devices that measure flow according to faraday's law of electromagnetic induction and are currently widely used in industrial processes. The flow rate of the fluid in the pipeline is calculated by measuring the induced electromotive force generated on the electrodes at two sides of the measuring conduit when the fluid does cutting magnetic induction line motion in a magnetic field, so as to determine the flow rate.
However, in some fields, such as applications in industries of paper making, ore pulp, slurry and the like, the measuring pipeline of the electromagnetic flowmeter is greatly impacted and abraded due to the influence of working conditions of two phases of solid and liquid of the measured medium, large change of the density of the medium, large flow and the like, and the service life of the electromagnetic flowmeter is influenced.
Disclosure of Invention
The utility model provides an aim at alleviates above-mentioned thick liquid and causes great impact and the problem of wearing and tearing to measuring pipe when measuring, this application provides an intelligent electromagnetic flowmeter who measures thick liquid and measures method thereof.
In a first aspect, the present application provides an intelligent electromagnetic flowmeter for measuring slurry, which adopts the following technical scheme:
the utility model provides a measure intelligent electromagnetic flowmeter of thick liquid, includes controller and measuring tube, is provided with flange in measuring tube's both sides measuring tube on still be provided with mated electrode and arrange the solenoid at measuring tube surface measuring tube's inner wall on be provided with the inside lining the both sides of inside lining be provided with inside lining integrated into one piece's fixed part, the fixed part with flange fixed.
Through above-mentioned technical scheme, through set up the inside lining in the measuring pipe way, can play the guard action to the measuring pipe way well, can prevent effectively that the measuring pipe way from being worn and torn, corroding, improved the life of measuring pipe way, simultaneously through being provided with integrated into one piece's fixed part with the both sides of inside lining, it is fixed through fixed part and flange, it is firm to have guaranteed the installation of inside lining, prevents droing of inside lining at the in-process inside lining that the thick liquid erodees.
Optionally, the inside lining is two segmentation structures, including first inside lining and second inside lining, adopts the structure of grafting connection between first inside lining and the second inside lining, and first inside lining be provided with first draw-in groove, be provided with the second draw-in groove on the second inside lining, first draw-in groove constitutes the electrode draw-in groove with the second draw-in groove after first inside lining is pegged graft with the second inside lining, goes into the electrode card in the electrode draw-in groove.
Through above-mentioned technical scheme, through setting the inside lining into two parts, pack into the measuring tube through first inside lining and second inside lining grafting concatenation after, such mode simple to operate is convenient for the back dress of inside lining.
Optionally, a fixing groove is formed in an end portion of the connecting flange, and the fixing portion is disposed in the fixing groove and fixed to the connecting flange through a screw.
Through above-mentioned technical scheme, tip through at flange sets up the fixed slot, set up the fixed part in the fixed slot, and it is fixed with flange through locking screw in the fixed slot, such mode makes fixed part and flange fixed firm on the one hand, prevented coming off of inside lining, on the other hand passes through locking screw through the fixed part of both sides, the locking force is applyed to the middle direction of measuring the pipeline, such mode has guaranteed first inside lining, it is firm to connect between the second inside lining, and the leakproofness between first inside lining and the second inside lining has been improved.
Optionally, the fixing portion is a tapered structure, and a diameter of the tapered structure at a position far away from the middle of the measuring pipe is smaller than a diameter of the tapered structure at a position near the middle of the measuring pipe.
Through above-mentioned technical scheme, when the thick liquid flowed in between fixed part and the flange, the thick liquid can flow through the toper structure of fixed part, can not appear the thick liquid and remain between fixed part and the flange, causes the overstock and blocks up the condition of measuring the pipeline even.
Optionally, the inner liner and the fixing part are made of polytetrafluoroethylene.
Through above-mentioned technical scheme, all adopt polytetrafluoroethylene to make inside lining and fixed part, polytetrafluoroethylene corrosion resistance is strong, also has good wearability simultaneously, and application range is wide, can adapt to corrosive media such as concentrated acid, concentrated alkali, also can resist the erosive wear of thick liquid, has guaranteed electromagnetic flowmeter's life.
Optionally, a protective shell is arranged on the measuring pipeline, the electromagnetic coil is arranged between the protective shell and the outer surface of the measuring pipeline, and a magnetic field shielding layer covers the inner surface of the protective shell; and a heat insulation layer is arranged on the periphery of the measuring pipeline between the protective shell and the connecting flange.
Through above-mentioned technical scheme, through setting up the protecting crust, when guaranteeing high strength, can protect electrode and solenoid's installation stability well, set up magnetic field shielding layer then in order to shield the interference of external magnetic field to solenoid, effectively guaranteed electromagnetic flowmeter's measurement accuracy.
Optionally, the controller includes a microprocessor, a signal processing module, a power supply module, a display module, and an excitation output module; the electrode is connected with the microprocessor through the signal processing module, and current signals generated by cutting magnetic lines of force by the flow in the measuring pipe fitting are sent to the microprocessor through the signal processing module; the microprocessor is connected with the display module and sends the calculated flow data to the display module for display; the excitation output module is connected with the electromagnetic coil and is used for loading an excitation signal to the electromagnetic coil; and the power supply module is connected with the microprocessor and supplies power to each module of the controller.
According to the technical scheme, the excitation current is provided for the electromagnetic coil through the excitation output module, the current generated by cutting the magnetic lines of force by the flow in the measuring pipe fitting enters the signal processing module through the electrode to be processed, then is sent to the microprocessor to be measured to obtain flow data, and the flow data is displayed through the display module.
Optionally, the signal processing module includes an amplifying circuit, a filter circuit and an AD conversion circuit, and the current signal is sent to the microprocessor through the amplifying circuit, the filter circuit and the AD conversion circuit in sequence.
According to the technical scheme, the amplifying circuit is used for amplifying the weak signal obtained by measuring the slurry, and the filtering circuit is used for filtering the amplified signal, so that the influence of interference noise is reduced, and the measuring precision is improved.
Optionally, the controller further includes a wireless transceiver module and an antenna, and the antenna is connected to the microprocessor through the wireless transceiver module.
Through the technical scheme, the wireless transceiving module and the antenna are arranged, signals can be transmitted to the remote terminal through the wireless transceiving module, the data of flow can be remotely checked, and the application range of the electromagnetic flowmeter is widened.
In a second aspect, the present application further provides an intelligent electromagnetic flowmeter for measuring slurry, which adopts the following technical scheme:
a measurement method of an intelligent electromagnetic flowmeter for measuring slurry comprises the following steps:
(1) when fluid passes through the measuring pipeline, the microprocessing signals to the excitation output module to generate an excitation signal and loads the excitation signal on the electromagnetic coil;
(2) measuring the flow by an excitation signal loaded on the electromagnetic coil to obtain a corresponding current signal;
(3) and the current signals are amplified, filtered and AD converted, then sent to a microprocessor for processing, calculated to obtain corresponding data, and sent to a display module for display.
According to the technical scheme, the excitation output module provides excitation current for the electromagnetic coil, the current generated by cutting magnetic lines by flow in the measuring pipe assembly is processed by the electrode and the signal processing module, weak signals obtained by measuring slurry are amplified by the amplifying circuit, the amplified signals are filtered by the filtering circuit, the influence of interference noise is reduced, analog signals are converted into digital signals by the AD conversion circuit and then are sent to the microprocessor to be measured to obtain flow data, the flow data are displayed by the display module, and the measuring precision can be effectively improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the lining is arranged in the measuring pipeline, so that the measuring pipeline can be well protected, the measuring pipeline can be effectively prevented from being abraded and corroded, the service life of the measuring pipeline is prolonged, meanwhile, the lining is firmly installed by arranging the integrally-formed fixing parts at two sides of the lining and fixing the fixing parts with the connecting flange, and the lining is prevented from falling off in the slurry washing process;
2. the lining is arranged into two parts, and the first lining and the second lining are spliced in an inserting way and then are arranged in the measuring pipeline, so that the installation is convenient; the fixing part is arranged in the fixing groove by arranging the fixing groove at the end part of the connecting flange, and is fixed with the connecting flange in the fixing groove through the locking screw, so that the fixing part and the connecting flange are firmly fixed, the liner is prevented from falling off, and the locking force is applied in the middle direction of the measuring pipeline through the fixing parts at two sides through the locking screw, so that the first liner and the second liner are firmly connected, and the sealing property between the first liner and the second liner is improved;
3. the amplifying circuit is used for amplifying a weak signal obtained by measuring the slurry, and the filtering circuit is used for filtering the amplified signal, so that the influence of interference noise is reduced, and the measuring precision is improved;
4. through setting up wireless transceiver module and antenna, can pass through wireless transceiver module with the signal and transmit to remote terminal on, can long-rangely look over the data of flow, improved the application range of electromagnetic flowmeter.
Drawings
Fig. 1 is a schematic structural diagram in the embodiment of the present application.
Fig. 2 is a schematic structural view of fig. 1 with the protective shell removed.
Fig. 3 is a schematic structural diagram for embodying the inside of a measuring pipe according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a liner according to an embodiment of the present application.
Fig. 5 is a partial enlarged view of fig. 4 of the present application.
Fig. 6 is a schematic internal structure diagram for a controller according to an embodiment of the present application.
Fig. 7 is a circuit block diagram of a controller according to an embodiment of the present application.
Reference number specification, 1, controller; 2. measuring a pipeline; 3. a connecting flange; 4. an electrode; 5. an electromagnetic coil; 6. a liner; 7. a fixed part; 8. an electrode card slot; 9. a protective shell; 10. a thermal insulation layer; 101. a first housing; 102. a second housing; 103. a seal ring; 104. a control circuit board; 105. an antenna; 106. a lithium battery; 107. a binding post; 301 fixing grooves, 601, a first liner; 602. a second liner; 603. inserting plates; 604. a slot; 801. a first card slot; 802. a second card slot; 803. a guide groove; 901. a magnetic field shielding layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
Referring to fig. 1 and 2, the embodiment of the application discloses an intelligent electromagnetic flowmeter for measuring slurry, which comprises a controller 1 and a measuring pipeline 2, wherein connecting flanges 3 are arranged on two sides of the measuring pipeline 2, a pair of electrodes 4 and an electromagnetic coil 5 arranged on the outer surface of the measuring pipeline 2 are further arranged on the measuring pipeline 2, the electromagnetic coil 5 is connected with the controller 1, and the controller 1 is used for sending an excitation signal and loading the excitation signal on the electromagnetic coil 5.
Referring to fig. 2 and 3, a protective shell 9 is arranged on the measuring pipe 2, the electromagnetic coils 5 are arranged in the protective shell 9 and distributed on the outer surface of the measuring pipe 2, and the inner surface of the protective shell 9 is covered with a magnetic field shielding layer 901. The protective case 9 is made of a stainless steel metal material, and has high strength, and the controller 1 is mounted on the protective case 9. The magnetic field shielding layer 901 can shield the interference of an external magnetic field to the electromagnetic coil 5, and the measurement precision of the electromagnetic flowmeter is effectively ensured.
A heat insulation layer 10 is arranged on the periphery of the measuring pipeline 2 between the protective shell 9 and the connecting flange 3, and the heat insulation layer 10 plays a certain heat insulation role on the fluid in the measuring pipeline 2 and reduces heat loss; on the other hand, the heat insulation effect is achieved on the measuring pipeline 2, the temperature of the outer surface of the heat insulation layer 10 is reduced, and scalding accidents are avoided.
Referring to fig. 3 and 4, a liner 6 is disposed on an inner wall of the measuring pipe 2, the liner 6 is a two-segment structure and includes a first liner 601 and a second liner 602, an annular insert plate 603 is disposed at an end where the first liner 601 and the second liner 602 are connected, an annular insert groove 604 is disposed at an end where the second liner 602 and the first liner 601 are connected, and the first liner 601 may be inserted into the insert groove 604 through the insert plate 603 to complete the connection between the first liner 601 and the second liner 602. The insert plate 603 and the slot 604 are in interference fit, and the arrangement ensures that the sealing property of the joint between the first liner 601 and the second liner 602 is good and the leakage is not easy.
Referring to fig. 4 and 5, since the electrode 4 extends into the measuring pipe 2 and the electrode 4 needs to extend into the lining 6, a first clamping groove 801 is formed in the first lining 601, and a guide groove 803 communicated with the first clamping groove 801 is formed in the insertion plate 603; a second engaging groove 802 is formed on the second liner 602, the first engaging groove 801 has a semicircular structure, and the second engaging groove 802 also has a semicircular structure. When the first liner 601 and the second liner 602 are inserted, the first engaging groove 801 and the second engaging groove 802 form an electrode engaging groove 8, and the electrode 4 is engaged in the electrode engaging groove 8.
Referring to fig. 3 and 4, a fixing portion 7 is integrally formed at an end of the first liner 601 far from the second liner 602, the fixing portion 7 is integrally formed at an end of the second liner 602 far from the first liner 601, and the fixing portion 7 is a tapered structure having a diameter smaller at a position far from the middle of the measuring pipe 2 than at a position near the middle of the measuring pipe 2. The fixing part 7 is fixed with the connecting flange 3, and the specific fixing structure is as follows: a fixing groove 301 is formed at an end of the coupling flange 3, and the fixing portion 7 is disposed in the fixing groove 301 and fixed to the coupling flange 3 by a screw 11. In this embodiment, the first liner 601, the second liner 602 and the fixing portion 7 are made of teflon.
Because the fixing part 7 is fixed with the connecting flange 3 through the locking screw, on one hand, the fixing part 7 is firmly fixed with the connecting flange 3, the first lining 601 is prevented from falling off away from the second lining 602, on the other hand, the fixing parts 7 on two sides exert locking force to the middle direction of the measuring pipeline 2 through the locking screw 11, and the mode ensures that the first lining 601 and the second lining 602 are firmly connected, improves the sealing performance between the first lining 601 and the second lining 602, and simultaneously ensures the sealing performance between the electrode 4 and the electrode clamping groove 8. Of course, in order to further improve the sealing performance between the first liner 601 and the second liner 602 and the sealing performance between the electrode 4 and the electrode slot 8, a sealant may be disposed at the joint between the first liner 601 and the second liner 602, and a sealant may also be disposed between the electrode 4 and the electrode slot 8.
Referring to fig. 1 and 6, the controller 1 includes a first housing 101 and a second housing 102, the first housing 101 and the second housing 102 are connected by a screw, and a seal ring 103 is provided between the first housing 101 and the second housing 102. A control circuit board 104 is provided inside the first casing 101, an antenna 105 is provided outside the first casing 101, a lithium battery 106 is provided inside the second casing 102, and a terminal 107 is provided outside the second casing 102.
Referring to fig. 7, the control circuit board 104 includes a microprocessor, a signal processing module, an excitation output module, a power driving module, a wireless transceiver module, and a display driving module.
The microprocessor is connected with the electromagnetic coil through an excitation output module and is used for loading an excitation signal to the electromagnetic coil, and the excitation output module comprises an excitation signal generating circuit and an excitation signal amplifying circuit; the power module is connected with the microprocessor and supplies power for each module of the controller, and the power module comprises a lithium battery and commercial power.
The electrode 4 is connected with the microprocessor through a signal processing module, the signal processing module comprises an amplifying circuit, a filtering circuit and an AD conversion circuit, and current signals generated by flux cutting magnetic lines in the measuring pipeline 2 are sequentially amplified by the amplifying circuit, filtered by the filtering circuit and subjected to analog-to-digital conversion by the AD conversion circuit and then sent to the microprocessor for processing. The microprocessor is connected to the display 108 via a display driving circuit, and sends the calculated flow data to the display 108 for display. The microprocessor also transmits data to a server or a remote terminal through the wireless transceiver module and the antenna.
In this embodiment, the microprocessor is an MSP430 single chip microcomputer of the TI company, the AD conversion circuit is a TLC548 of the TI company, and the radio transceiver module is a commonly used nRF24l01 radio transceiver module.
The embodiment also discloses a measurement method of the intelligent electromagnetic flowmeter for measuring the slurry, which comprises the following steps:
(1) when fluid passes through the measuring pipeline 2, the microprocessing signals to the excitation output module to generate an excitation signal and loads the excitation signal on the electromagnetic coil 5;
(2) measuring the flow by an excitation signal loaded on the electromagnetic coil 5 to obtain a corresponding current signal;
(3) the current signals are amplified, filtered and AD converted, then sent to a microprocessor for processing, calculated to obtain corresponding data, and sent to a display module for display;
(4) and the microprocessor sends the data to the server or the remote terminal through the wireless transceiving module and the antenna.
The implementation principle of the embodiment of the application is as follows:
first, a first liner 601 and a second liner 602 are inserted into a measuring pipe 2, when the first liner 601 and the second liner 602 are inserted, a guide groove 803 on an upper insert plate 603 of the first liner 601 is aligned with an electrode 4 extending into the measuring pipe 2, the electrode 4 is guided into a first clamping groove 801 through the guide groove 803, and then the second liner 602 is inserted into the measuring pipe 2 and is inserted into an insert plate 603 of the first liner 601 through an insert groove 604 on the second liner 602. Meanwhile, the second clamping groove 802 on the second liner 602 is clamped with the electrode 4, so that the electrode is clamped in through the first clamping groove 801 and the second clamping groove 802; then, the fixing part 7 and the connecting flange 3 are fixed well by locking screws on the fixing part 7, so that the lining 6 of the flowmeter is installed, and the lining 6 is ensured not to fall off in the installation mode. The flowmeter with the lining 6 is then installed on the pipeline and fixed to the pipeline by the connecting flange 3.
After the flowmeter is fixed, connecting a power supply, then measuring, and when fluid passes through the measuring pipeline 2, microprocessing signals to an excitation output module to generate an excitation signal and loads the excitation signal on an electromagnetic coil 5; an excitation signal loaded on the electromagnetic coil 5 measures the flow to obtain a corresponding current signal; the current signals are amplified, filtered and AD converted, then sent to a microprocessor for processing, calculated to obtain corresponding data, and sent to a display module for display; the microprocessor sends the data to the server or the remote terminal through the wireless transceiving module and the antenna.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a measure intelligent electromagnetic flowmeter of thick liquid, includes controller (1) and measuring tube (2), is provided with flange (3) in the both sides of measuring tube (2) on still be provided with mated electrode (4) and arrange solenoid (5) at measuring tube (2) surface, its characterized in that: the inner wall of the measuring pipeline (2) is provided with a lining (6), two sides of the lining (6) are provided with fixing parts (7) which are integrally formed with the lining, and the fixing parts (7) are fixed with the connecting flange (3).
2. An intelligent electromagnetic flowmeter for measuring slurry as set forth in claim 1, wherein: inside lining (6) are two segmentation structures, including first inside lining (601) and second inside lining (602), adopt the structure of plug connection between first inside lining (601) and second inside lining (602), and first inside lining (601) be provided with first draw-in groove (801), be provided with second draw-in groove (802) on second inside lining (602), first inside lining (601) and second inside lining (602) are pegged graft the back, first draw-in groove (801) and second draw-in groove (802) constitute electrode draw-in groove (8), block electrode (4) in electrode draw-in groove (8).
3. An intelligent electromagnetic flowmeter for measuring slurry as set forth in claim 2, wherein: the end part of the connecting flange (3) is provided with a fixing groove (301), and the fixing part (7) is arranged in the fixing groove (301) and is fixed with the connecting flange (3) through screws.
4. An intelligent electromagnetic flowmeter for measuring slurry as set forth in claim 3 wherein: the fixing part (7) is of a conical structure, and the diameter of the conical structure at the position far away from the middle of the measuring pipeline (2) is smaller than that of the conical structure at the position close to the middle of the measuring pipeline (2).
5. An intelligent electromagnetic flowmeter for measuring slurry as set forth in claim 1, wherein: the lining (6) and the fixing part (7) are made of polytetrafluoroethylene.
6. An intelligent electromagnetic flowmeter for measuring slurry as set forth in claim 1, wherein: a protective shell (9) is arranged on the measuring pipeline (2), the electromagnetic coil (5) is arranged between the protective shell (9) and the outer surface of the measuring pipeline (2), and a magnetic field shielding layer (901) covers the inner surface of the protective shell (9); and a heat insulation layer (10) is arranged on the periphery of the measuring pipeline (2) between the protective shell (9) and the connecting flange (3).
7. An intelligent electromagnetic flowmeter for measuring slurry as set forth in claim 1, wherein: the controller comprises a microprocessor, a signal processing module, a power supply module, a display module and an excitation output module; the electrode is connected with the microprocessor through the signal processing module, and current signals generated by cutting magnetic lines of force by the flow in the measuring pipeline are sent to the microprocessor through the signal processing module; the microprocessor is connected with the display module and sends the calculated flow data to the display module for display; the excitation output module is connected with the electromagnetic coil and is used for loading an excitation signal to the electromagnetic coil; and the power supply module is connected with the microprocessor and supplies power to each module of the controller.
8. An intelligent electromagnetic flowmeter for measuring slurry as set forth in claim 7 wherein: the signal processing module comprises an amplifying circuit, a filter circuit and an AD conversion circuit, and the current signal is sent to the microprocessor through the amplifying circuit, the filter circuit and the AD conversion circuit in sequence.
9. An intelligent electromagnetic flowmeter for measuring slurry as set forth in claim 8 wherein: the controller also comprises a wireless transceiver module and an antenna, and the antenna is connected with the microprocessor through the wireless transceiver module.
10. A measurement method of an intelligent electromagnetic flowmeter for measuring slurry is characterized by comprising the following steps:
(1) when fluid passes through the measuring pipeline (2), the microprocessing signals the excitation output module to generate an excitation signal and loads the excitation signal on the electromagnetic coil (5);
(2) the flow is measured by an excitation signal loaded on the electromagnetic coil (5) to obtain a corresponding current signal;
(3) and the current signals are amplified, filtered and AD converted, then sent to a microprocessor for processing, calculated to obtain corresponding data, and sent to a display module for display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011222990.5A CN112268586B (en) | 2020-11-05 | 2020-11-05 | Intelligent electromagnetic flowmeter for measuring slurry and measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011222990.5A CN112268586B (en) | 2020-11-05 | 2020-11-05 | Intelligent electromagnetic flowmeter for measuring slurry and measuring method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112268586A true CN112268586A (en) | 2021-01-26 |
| CN112268586B CN112268586B (en) | 2024-03-26 |
Family
ID=74345601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011222990.5A Active CN112268586B (en) | 2020-11-05 | 2020-11-05 | Intelligent electromagnetic flowmeter for measuring slurry and measuring method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112268586B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069952A (en) * | 2021-05-13 | 2021-07-06 | 盾构及掘进技术国家重点实验室 | Mixing device for improving measurement precision of shield mud electromagnetic flowmeter |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046605A (en) * | 1998-07-27 | 2000-02-18 | Yamatake Corp | Electromagnetic flowmeter and its manufacture |
| CN1560569A (en) * | 2004-02-18 | 2005-01-05 | 沈阳市传感技术研究所 | Permanent-magnet small bore flowmeter |
| CN104266694A (en) * | 2014-10-21 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | Intelligent electromagnetic flowmeter for measuring size |
| CN205580532U (en) * | 2016-01-27 | 2016-09-14 | 上海安钧电子科技有限公司 | 8 electrode structure's electric -magnetic flow meter |
| US20170160114A1 (en) * | 2015-12-08 | 2017-06-08 | Yokogawa Electric Corporation | Electromagnetic flowmeter |
| CN206488822U (en) * | 2016-10-25 | 2017-09-12 | 上海贝菲自动化仪表有限公司 | Suitable for the electromagnetic flowmeter of low flow velocity |
| CN207894462U (en) * | 2018-01-17 | 2018-09-21 | 北京远东仪表有限公司 | A kind of wide-range compares electromagnetic flow transducer |
| CN208651962U (en) * | 2018-08-15 | 2019-03-26 | 珠海横琴友脉科技有限公司 | A kind of anti-corrosion pipeline of good seal |
| CN210833700U (en) * | 2019-12-13 | 2020-06-23 | 中电华辰（天津）精密测器股份公司 | Novel magnetic flowmeter |
| CN211147758U (en) * | 2019-12-20 | 2020-07-31 | 常州市成丰流量仪表有限公司 | Electromagnetic flowmeter suitable for low velocity of flow |
-
2020
- 2020-11-05 CN CN202011222990.5A patent/CN112268586B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046605A (en) * | 1998-07-27 | 2000-02-18 | Yamatake Corp | Electromagnetic flowmeter and its manufacture |
| CN1560569A (en) * | 2004-02-18 | 2005-01-05 | 沈阳市传感技术研究所 | Permanent-magnet small bore flowmeter |
| CN104266694A (en) * | 2014-10-21 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | Intelligent electromagnetic flowmeter for measuring size |
| US20170160114A1 (en) * | 2015-12-08 | 2017-06-08 | Yokogawa Electric Corporation | Electromagnetic flowmeter |
| CN205580532U (en) * | 2016-01-27 | 2016-09-14 | 上海安钧电子科技有限公司 | 8 electrode structure's electric -magnetic flow meter |
| CN206488822U (en) * | 2016-10-25 | 2017-09-12 | 上海贝菲自动化仪表有限公司 | Suitable for the electromagnetic flowmeter of low flow velocity |
| CN207894462U (en) * | 2018-01-17 | 2018-09-21 | 北京远东仪表有限公司 | A kind of wide-range compares electromagnetic flow transducer |
| CN208651962U (en) * | 2018-08-15 | 2019-03-26 | 珠海横琴友脉科技有限公司 | A kind of anti-corrosion pipeline of good seal |
| CN210833700U (en) * | 2019-12-13 | 2020-06-23 | 中电华辰（天津）精密测器股份公司 | Novel magnetic flowmeter |
| CN211147758U (en) * | 2019-12-20 | 2020-07-31 | 常州市成丰流量仪表有限公司 | Electromagnetic flowmeter suitable for low velocity of flow |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069952A (en) * | 2021-05-13 | 2021-07-06 | 盾构及掘进技术国家重点实验室 | Mixing device for improving measurement precision of shield mud electromagnetic flowmeter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112268586B (en) | 2024-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2240745B1 (en) | Flangeless magnetic flowmeter with integrated retention collar and liner protector | |
| CN102105766A (en) | High pressure magnetic flowmeter with stress resistant electrode assembly | |
| CN107923776A (en) | Electromagnetic flow sensor | |
| US6920799B1 (en) | Magnetic flow meter with reference electrode | |
| EP3123122B1 (en) | High pressure wafer style magnetic flowmeter | |
| CN112268586A (en) | Intelligent electromagnetic flowmeter for measuring slurry and measuring method thereof | |
| EP0895066A1 (en) | Electromegnetic flow sensor and assembly method | |
| CN101294832A (en) | Multi-electrode electromagnetic flowmeter | |
| CN208109192U (en) | Bubble removing electromagnetic flowmeter | |
| CN106950258B (en) | Transmitter device for measuring residual acidity or alkalinity in uranium mine leaching pulp | |
| CN209727178U (en) | A kind of undergauge type electromagnetism water meter | |
| CN104019860A (en) | Flowmeter integrating electromagnetism and ultrasonic and use method of flowmeter | |
| CN204043729U (en) | Linerless inner electromagnetic flowmeter | |
| CN111649790B (en) | Antidetonation type digit vortex flowmeter | |
| CN210108441U (en) | Electromagnetic flowmeter | |
| CN208155376U (en) | Liner molding type electromagnetic flowmeter | |
| CN209043518U (en) | A kind of pressure sensor | |
| CN214251365U (en) | Lightning protection type pressure transmitter subassembly | |
| CN221099792U (en) | Curing agent flow monitoring sensor | |
| CN216348860U (en) | Flow compensation type liquid turbine flowmeter | |
| CN217542014U (en) | Converter of electromagnetic flowmeter | |
| CN216621286U (en) | Electromagnetic water meter sensor with pressure detection function | |
| CN220729350U (en) | Electromagnetic water meter with voltage-taking electrode | |
| CN218769326U (en) | Online sampling density relay with protection function | |
| CN216385824U (en) | Electromagnetic water meter sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |