A multi-tube balanced resonant flow meter

Abstract

The application discloses a kind of multi-tube balanced resonant flowmeter, it is related to flowmeter technical field, the resonant flowmeter includes support shell, and the two sides of support shell are respectively provided with inlet flange and outlet flange, and inlet flow divider is provided in support shell, and multiple shunt tubes are provided on the side of inlet flow divider away from inlet flange, exciter is provided on support shell, and conducting sleeve is provided on exciter, and conducting sleeve is respectively sleeved on each shunt tube, and each shunt tube is respectively communicated with outlet flange at the end away from inlet flange, oil inlet and oil return are provided on support shell, compensation pump is provided on oil inlet, compensation pump is inductively connected with inlet flow divider by wire, one-way valve is provided on oil return, multiple vibration pickups are provided in support shell, display table is provided on support shell, and display table is electrically connected with vibration pickup by wire respectively, the application has the functions of automatic correction compensation and automatic replacement of shock-absorbing oil based on working condition.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flow meter, in particular to a multi-tube balanced resonant flow meter. BACKGROUND

[0002] In modern industry, various kinds of measuring instruments are needed, and flow meter is a very common device, which usually measures various kinds of fluid flow so as to be adjusted and analyzed by subsequent operators, and the resonant flow meter has a more extensive use, which works on the basis of Coriolis effect, and the resonant measurement can directly measure the mass flow of fluid medium, has high measurement accuracy, and can measure a wide range of fluids, both liquid and gas, so that they are often seen in modern industry.

[0003] Similarly, such flow meter is usually affected more, for example, the state of shock-absorbing oil will directly affect the measurement accuracy of the equipment during measurement, and the flow stability of the fluid will also affect the detection value of the equipment during measurement, if reverse flow or inlet vortex occurs, the resonant equipment will be affected, resulting in serious weakening or enhancement of the subsequent generated Coriolis phenomenon, which needs to be solved urgently. SUMMARY

[0004] The purpose of the present application is to provide a multi-tube balanced resonant flow meter to solve the problems in the prior art.

[0005] In order to achieve the above object, the present application provides the following technical scheme: the resonant flowmeter includes a support shell, the support shell is provided with an inlet flange and an outlet flange on both sides, respectively, an inlet flow divider is arranged in the support shell, a plurality of shunt pipes are arranged on the side of the inlet flow divider away from the inlet flange, an exciter is arranged on the support shell, a conducting sleeve is arranged on the exciter, the conducting sleeve is sleeved on each shunt pipe, respectively, the end of each shunt pipe away from the inlet flange is in communication with the outlet flange, respectively, an oil inlet and an oil return are arranged on the support shell, a compensation pump is arranged on the oil inlet, the compensation pump is inductively connected with the inlet flow divider through wires, a one-way valve is arranged on the oil return, a plurality of vibration pickups are arranged in the support shell, a display meter is arranged on the support shell, and the display meter is electrically connected with the vibration pickups through wires, respectively.

[0006] The inlet flange includes a connecting port and a plurality of positioning ports, the connecting port is provided with a sealing assembly, a blocking rod is arranged in the inlet flange, the blocking rod is rotatably connected with the inlet flange, a flow-following blade is arranged on the blocking rod, a blocking ring is arranged on the blocking rod, a plurality of turbulence rods are arranged on the end of the blocking ring close to the inlet flow divider, each turbulence rod is in sliding contact with the inner wall of the inlet flow divider, when the inlet flange is installed, the inlet flange and the outlet flange are installed on the pipeline in the correct direction, then the connecting port and the positioning port are sealed by the sealing assembly, and the connecting port and the positioning port support the installation, when the fluid enters the inlet flange, the flow-following blade on the blocking rod is driven to rotate, the blocking rod rotates, the blocking rod drives the fluid to rotate, and the turbulence rods remove the impurities adhered to the inlet flange, which can uniformly distribute the fluid into the shunt pipes and avoid the problem of unstable fluid flow caused by blockage.

[0007] The inlet flow divider is internally provided with a guide vane, the guide vane is provided with a plurality of guide ports, each guide port is in communication with a corresponding flow divider pipe, the guide vane is provided with a sealing ring, the sealing ring is connected with the inner wall of the inlet flow divider, the outlet flange is also provided with a guide vane, the guide vane is provided with a plurality of anti-reverse ports, each anti-reverse port is provided with an anti-reverse frame, a plurality of anti-backflow vanes are rotatably connected to the anti-reverse frame, when the fluid flows through the guide vane, the guide vane will guide the fluid, reducing the vortex phenomenon when the fluid enters the flow divider pipe, then the fluid will pass through the anti-reverse frame, when the liquid is in the correct flow direction, the anti-backflow vane will be in a closed state at this time, when the liquid appears in the reverse flow direction, the anti-backflow vane will be in an open state at this time, avoiding the backflow problem caused by vibration.

[0008] A feedback rod is arranged between the guide vane and the guide vane, the feedback rod passes through the conduction sleeve, the feedback rod is provided with a feedback assembly, the feedback assembly includes a plurality of feedback zones, the feedback zones are uniformly arranged on the feedback rod, each feedback zone is provided with a pressure piece and a pressure switch, the pressure piece and the pressure switch are in sliding contact, the feedback zone is provided with a sealing diaphragm, the sealing diaphragm and the feedback zone form a closed space, when the flow divider pipe vibrates, the shock absorbing oil will vibrate, the vibration will be sensed by the sealing diaphragm and the pressure piece will be extruded, triggering the pressure switch, through the triggering condition and the rebound condition of the plurality of regions, the flow state of the shock absorbing oil at this time and whether the shock absorbing oil inside is insufficient are determined, and the triggering condition is transmitted to the compensation pump, the compensation pump will supplement and replace the shock absorbing oil inside according to the specific situation.

[0009] The feedback assembly further includes a trigger processing board, the trigger processing board is electrically connected to each pressure switch through a wire, the trigger processing board is arranged on the support shell, the trigger processing board is electrically connected to the compensation pump through a wire, the trigger processing board will collect the triggering information, then convert it into an electrical signal and transmit it to the compensation pump, and the trigger processing board is loaded with a processing program, through program analysis, whether the compensation pump needs to supply oil and replace oil at the current situation is determined, so that the stability and accuracy of power transmission are ensured at all times.

[0010] A plurality of through holes are arranged on the conduction sleeve, each flow divider pipe passes through a corresponding through hole, a locking structure is arranged on each through hole, the locking structure includes a transmission sleeve and a transmission secondary sleeve, the transmission sleeve and the transmission secondary sleeve are the same structure, the transmission secondary sleeve and the transmission sleeve are respectively provided with a mounting slot and a mounting buckle, the mounting buckle on the transmission sleeve is buckled in the mounting slot on the transmission secondary sleeve, the transmission sleeve and the transmission secondary sleeve are respectively connected with the through hole in sliding connection, the flow divider pipe passes through the transmission sleeve and the transmission secondary sleeve, then the flow divider pipe is locked in the through hole through the mounting buckle and the mounting slot, so that the vibration transmission is more uniform, and the problem of local damage of the flow divider pipe is reduced.

[0011] The support shell is internally provided with a limiting slide channel, the conducting sleeve is embedded in the limiting slide channel and is in sliding connection with the limiting slide channel, a plurality of positioning screw holes are arranged on the conducting sleeve, locking bolts are in rotational connection with the positioning screw holes, each locking bolt abuts against the transmission sleeve and the transmission auxiliary sleeve, vibration pickups are arranged on the two sides of the conducting sleeve, through the limiting slide channel, the vibration generator drives the transmission sleeve to fully slide, the deflection problem is avoided, and through the locking bolts, the positions of the conducting sleeve and the conducting auxiliary sleeve can be locked, a plurality of types of shunt pipes are adapted to, and through the correction of the fluid after resonance and the fluid without resonance, the data is more accurate.

[0012] The support shell is internally provided with a plurality of layer screens, the intervals between adjacent layer screens are equal, a conducting block is arranged on each layer screen, a heat dissipation plate is arranged between adjacent layer screens, the heat dissipation plate is provided with a conducting groove, and the conducting block is embedded in the conducting groove on the heat dissipation plate. The measured fluid usually has a certain amount of heat, and the existence of heat usually affects the transmission performance of the shock absorbing oil. Meanwhile, under long-time vibration, the shock absorbing oil also generates heat, and at this time, the heat dissipation plate is needed to control the heat of the shock absorbing oil. The heat of the layer screen is transmitted to achieve the effect of cooling.

[0013] The heat dissipation plate is provided with a heat sensor, the support shell is provided with a heat dissipation pipe, a plurality of heat dissipation grooves are formed in the layer screen, the heat dissipation pipe is in communication with the heat dissipation grooves on the layer screen, a heat exchange pump is arranged on the heat dissipation pipe, the heat exchange pump is electrically connected with the heat sensor through wires, and the heat sensor is electrically connected with the compensation pump through wires. The temperature of the support shell and the shock absorbing oil is detected through the heat sensor. When a certain temperature is reached, the heat exchange pump is started at this time. The heat exchange pump will fill the cooling liquid into the heat dissipation groove. The temperature of the cooling liquid will be transmitted to the heat dissipation plate, so that the shock absorbing oil is fully cooled, and the detection error problem caused by overheating is avoided.

[0014] Compared with the prior art, the beneficial effects of the present application are:

[0015] The device has the problems of automatic dispersion and reduction of fluid viscosity interference. Through the rotation of the blocking rod and the disturbance of the spoiler rod, the uneven distribution and blockage problems of the fluid during flow can be fully reduced. Meanwhile, the device also has a structure assembly with anti-reverse and automatic vortex removal. After the fluid enters the shunt pipe, the liquid backflow or vortex phenomenon during vibration is avoided, the measurement accuracy of the device is improved, the measured values are corrected in a double-side detection mode, the internal feedback rod can also sense the state of the shock absorbing oil in time, so that the shock absorbing oil in the support shell can always ensure the best working state, and the automatic sensing structure assembly is used to sense the temperature in the support shell and automatically cool, thereby reducing the measurement accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the three-dimensional structure of the present application;

[0017] Figure 2 is a schematic view of the side structure of the present application;

[0018] Figure 3 is a schematic view of the internal structure of the support shell of the present application;

[0019] Figure 4 is a schematic view of the Figure 3 is a schematic view of the structure of the partial enlargement A;

[0020] Figure 5 is a schematic view of the Figure 3 is a schematic view of the structure of the partial enlargement B;

[0021] Figure 6 is a schematic view of the Figure 3 is a schematic view of the structure of the partial enlargement C;

[0022] Figure 7 is a schematic view of the structure of the heat dissipation plate of the present application;

[0023] Figure 8 is a schematic view of the partial sectional structure of the feedback rod of the present application.

[0024] In the figure: 1, support shell; 101, limiting slide; 102, layer sieve plate; 103, conduction block; 104, heat dissipation plate; 105, conduction groove; 106, heat sensing sensor; 107, heat dissipation pipe; 108, heat dissipation groove; 109, heat exchange pump; 2, inlet flange; 201, connecting port; 202, positioning port; 203, blocking rod; 204, flow-following blade; 205, blocking ring; 206, turbulence rod; 3, outlet flange; 4, inlet flow divider; 401, flow guide fin; 402, flow guide port; 403, sealing ring; 404, flow guide auxiliary fin; 405, anti-reverse port; 406, anti-reverse frame; 407, anti-return fin; 408, feedback rod; 5, flow divider pipe; 6, exciter; 7, conduction sleeve; 701, through hole; 9, oil injection port; 10, oil return port; 11, compensation pump; 12, one-way valve; 13, vibration pickup; 14, display table; 15, sealing assembly; 16, feedback assembly; 1601, feedback area; 1602, pressure- resisting fin; 1603, pressure- resisting switch; 1604, closed diaphragm; 17, locking structure; 1701, transmission sleeve; 1702, transmission auxiliary sleeve; 1703, positioning screw hole; 1704, locking bolt. DETAILED DESCRIPTION

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] Example: Figures 1-8 As shown, this invention provides a technical solution. The resonant flowmeter includes a support housing 1, with an inlet flange 2 and an outlet flange 3 respectively disposed on both sides of the support housing 1. An inlet diverter 4 is disposed inside the support housing 1, and multiple diverter pipes 5 are disposed on the side of the inlet diverter 4 away from the inlet flange 2. An exciter 6 is disposed on the support housing 1, and a conductive sleeve 7 is disposed on the exciter 6. The conductive sleeve 7 is respectively fitted onto each diverter pipe 5, and the end of each diverter pipe 5 away from the inlet flange 2 is connected to the outlet flange 3. An oil inlet 9 and an oil return port 10 are disposed on the support housing 1. A compensation pump 11 is disposed on the oil inlet 9 and is inductively connected to the inlet diverter 4 through a wire. A one-way valve 12 is disposed on the oil return port 10. Multiple vibration pickups 13 are disposed inside the support housing 1, and a display meter 14 is disposed on the support housing 1. The display meter 14 is electrically connected to the vibration pickups 13 through wires. Before measurement, the resonant flowmeter needs to be installed on the area to be measured. The resonator is installed on the pipeline and a signal is input. Then, the fluid to be tested enters the inlet flange 2 and passes through the inlet distributor 4. Under the action of the inlet distributor 4, the fluid enters the distributor pipe 5. Then, the exciter 6 is started. The exciter 6 will transfer the kinetic energy to the transmission sleeve 7. The transmission sleeve 7 will transfer the power to the distributor pipe 5. After being impacted, the fluid flowing in the distributor pipe 5 will generate reverse resistance and transfer the reverse resistance force to the downstream distributor pipe 5. The distributor pipe 5 will then transfer the vibration power to the support housing 1. The vibration pickup 13 in the support housing 1 will detect the vibration frequency and convert the signal to the display 14. The display 14 will obtain the current flow value. In order to avoid the problem of untimely vibration transmission of the internal damping fluid, the compensation pump 11 will compensate the damping oil in the support housing 1 and can also replace the internal damping oil in a timely manner.

[0027] The import flange 2 includes a connecting port 201 and a plurality of positioning ports 202, the sealing assembly 15 is arranged on the connecting port 201, the blocking rod 203 is arranged in the import flange 2, the blocking rod 203 is rotatably connected with the import flange 2, the flow-following vane 204 is arranged on the blocking rod 203, the blocking ring 205 is arranged on the blocking rod 203, a plurality of turbulence rods 206 are arranged on the blocking ring 205 close to one end of the import flow divider 4, each turbulence rod 206 is in sliding contact with the inner wall of the import flow divider 4, when the import flange 2 is installed, the import flange 2 and the export flange 3 are installed on the pipeline in the correct direction, then the connecting part is sealed by the sealing assembly 15, and the connecting port 201 and the positioning port 202 support the installation, when the fluid enters the import flange 2, the flow-following vane 204 on the blocking rod 203 is driven to rotate, the blocking rod 203 is rotated, the blocking rod 203 drives the fluid to rotate, and the turbulence rod 206 removes the impurities adhered to the import flange 2, so that the fluid is uniformly distributed in the flow distribution pipe 5, and the problem of unstable fluid flow caused by blockage is avoided.

[0028] The import flow divider 4 is provided with a flow guide plate 401, a plurality of flow guide ports 402 are arranged on the flow guide plate 401, each flow guide port 402 is in communication with a corresponding flow distribution pipe 5, a sealing ring 403 is arranged on the flow guide plate 401, the sealing ring 403 is connected with the inner wall of the import flow divider 4, the export flange 3 is also provided with a flow guide auxiliary plate 404, a plurality of anti-reverse ports 405 are arranged on the flow guide auxiliary plate 404, each anti-reverse port 405 is provided with an anti-reverse frame 406, and a plurality of anti-back plates 407 are rotatably connected on the anti-reverse frame 406, when the fluid flows through the flow guide plate 401, the flow guide plate 401 guides the fluid, reduces the vortex phenomenon of the fluid entering the flow distribution pipe 5, and then the fluid passes through the anti-reverse frame 406, when the liquid is in the correct flow direction, the anti-back plate 407 is in a closed state, when the liquid appears in the reverse flow direction, the anti-back plate 407 is in an open state, and the backflow problem caused by vibration is avoided.

[0029] The feedback rod 408 is provided between the guide vane 401 and the guide vane 404, penetrates the conducting sleeve 7, and is provided with a feedback assembly 16. The feedback assembly 16 comprises a plurality of feedback areas 1601 uniformly arranged on the feedback rod 408. Each feedback area 1601 is respectively provided with a pressing piece 1602 and a pressing switch 1603 in sliding contact. The feedback area 1601 is provided with a sealing diaphragm 1604 forming a closed space with the feedback area 1601. After the shunt pipe 5 vibrates, the shock absorbing oil will vibrate. The vibration will be sensed by the sealing diaphragm 1604 and press the pressing piece 1602 to trigger the pressing switch 1603. Through the triggering condition and rebound condition of the pressing switches 1603 in multiple areas, it is determined whether the flow state of the shock absorbing oil and whether the shock absorbing oil inside is insufficient. The triggering condition is transmitted to the compensation pump 11. The compensation pump 11 will supplement and replace the shock absorbing oil inside according to the specific condition.

[0030] The feedback assembly 16 further comprises a trigger processing plate electrically connected to each pressing switch 1603 through a wire. The trigger processing plate is arranged on the support shell 1 and electrically connected to the compensation pump 11 through a wire. The trigger processing plate collects the triggering information and then converts it into an electrical signal and transmits it to the compensation pump 11. The trigger processing plate is loaded with a processing program to determine whether the compensation pump 11 needs to supply and replace oil according to the program analysis, so as to ensure the stability and accuracy of power transmission at all times.

[0031] The conducting sleeve 7 is provided with a plurality of through holes 701. Each shunt pipe 5 penetrates a corresponding through hole 701. Each through hole 701 is respectively provided with a locking structure 17. The locking structure 17 comprises a transmission sleeve 1701 and a transmission secondary sleeve 1702. The transmission sleeve 1701 and the transmission secondary sleeve 1702 are the same structure. The transmission secondary sleeve 1702 and the transmission sleeve 1701 are respectively provided with a mounting groove and a mounting buckle. The mounting buckle on the transmission sleeve 1701 is buckled in the mounting groove on the transmission secondary sleeve 1702. The transmission sleeve 1701 and the transmission secondary sleeve 1702 are respectively in sliding connection with the through hole 701. The shunt pipe 5 penetrates the transmission sleeve 1701 and the transmission secondary sleeve 1702, and then is locked in the through hole 701 through the mounting buckle and the mounting groove, so that the vibration transmission is more uniform and the problem of local damage of the shunt pipe 5 is reduced.

[0032] The support shell 1 is provided with a limiting slide 101, the conducting sleeve 7 is embedded in the limiting slide 101 and is in sliding connection with the limiting slide 101, a plurality of positioning screw holes 1703 are arranged on the conducting sleeve 7, locking bolts are rotationally connected on the positioning screw holes 1703, each locking bolt abuts on the transmission sleeve 1701 and the transmission secondary sleeve 1702, the vibration pickers 13 are arranged on both sides of the conducting sleeve 7 respectively, through the limiting slide 101, the vibration exciter 6 will drive the transmission sleeve 1701 to fully slide, so that the deflection problem is avoided, and through the locking bolts, the positions of the conducting sleeve 7 and the conducting secondary sleeve can be locked, so that various models of the shunt pipes 5 are adapted, and through the correction of the resonated fluid and the fluid not subjected to resonance, the data is more accurate.

[0033] The support shell 1 is provided with a plurality of layer screens 102, the intervals between adjacent layer screens 102 are equal, the conducting blocks 103 are arranged on each layer screen 102 respectively, the heat dissipation plates 104 are arranged between adjacent layer screens 102 respectively, the conducting grooves 105 are arranged on the heat dissipation plates 104, the conducting blocks 103 are embedded in the conducting grooves 105 on the heat dissipation plates 104, the measured fluid usually has a certain heat, and the existence of the heat usually affects the transmission performance of the shock absorbing oil, and the shock absorbing oil also generates heat under long-time vibration, at this time, the heat dissipation plates 104 are needed to control the heat of the shock absorbing oil, and the heat is transmitted through the layer screens 102, so that the cooling effect is achieved.

[0034] The heat sensing sensor 106 is arranged on the heat dissipation plate 104, the support shell 1 is provided with a heat dissipation pipe 107, a plurality of heat dissipation grooves 108 are formed in the layer screen 102, the heat dissipation pipe 107 is in communication with the heat dissipation grooves 108 on the layer screen 102, the heat exchange pump 109 is arranged on the heat dissipation pipe 107, the heat exchange pump 109 is electrically connected with the heat sensing sensor 106 through wires, the heat sensing sensor 106 is electrically connected with the compensation pump 11 through wires, the temperature of the support shell 1 and the shock absorbing oil is detected through the heat sensing sensor 106, when the temperature reaches a certain temperature, at this time, the heat exchange pump 109 is started, the heat exchange pump 109 will fill the cooling liquid into the heat dissipation grooves 108, the temperature of the cooling liquid will be transmitted to the heat dissipation plate 104, so that the shock absorbing oil is fully cooled, and the detection error problem caused by overheating is avoided.

[0035] Working principle: the fluid to be measured enters into the inlet flange 2, and passes through the inlet flow divider 4, the fluid will enter into the flow divider 5 under the action of the inlet flow divider 4, when the fluid flows through the guide vane 401, the guide vane 401 will guide the flow of the fluid, reduce the vortex phenomenon after the fluid enters the flow divider 5, then the fluid will pass through the anti-reverse frame 406, then start the exciter 6, the flow divider 5 produces vibration, which will make the shock absorbing oil vibrate, this vibration will be inducted by the sealing diaphragm 1604, and extrude the pressing piece 1602, trigger the pressure switch 1603, through the triggering condition and rebound condition of multiple area pressure switches 1603, judge the flow state of the shock absorbing oil at this time and whether the internal shock absorbing oil is insufficient, and transmit the triggering condition to the compensation pump 11, the compensation pump 11 will compensate the shock absorbing oil in the support shell 1, the exciter 6 will transmit kinetic energy to the transmission sleeve 7, the transmission sleeve 7 will transmit power to the flow divider 5, the flowing fluid in the flow divider 5 will produce reverse resistance after being impacted, and transmit the reverse resistance force to the rear flow divider 5, and the flow divider 5 will transmit power to the support shell 1, the vibration pickup 13 in the support shell 1 will detect the frequency of vibration, and the vibration pickups 13 on both sides will correct the fluid after resonance and the fluid without resonance, and transmit the signal to the display table 14, the display table 14 will get the current flow value, and also can replace the internal shock absorbing oil in time, when reaching a certain temperature, the heat exchange pump 109 is started at this time, the heat exchange pump 109 will fill the cooling liquid into the heat dissipation groove 108, the temperature of the cooling liquid will be transmitted to the heat dissipation plate 104, so as to cool the shock absorbing oil.

[0036] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics thereof. The presently disclosed embodiments are therefore considered in all respects to be illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. No limitation is intended to the scope of the claims based on any embodiment illustrated in the drawings.

Claims

1. A multi-tube balanced resonant flow meter characterized by: The resonant flowmeter includes a support shell (1), which is provided with an inlet flange (2) and an outlet flange (3) on both sides, respectively, and is provided with an inlet flow divider (4) in the support shell (1), the inlet flow divider (4) is provided with a plurality of flow divider pipes (5) away from the inlet flange (2) side, the support shell (1) is provided with an exciter (6), the exciter (6) is provided with a conducting sleeve (7), the conducting sleeve (7) is sleeved on each flow divider pipe (5), respectively, and each flow divider pipe (5) is communicated with the outlet flange (3) at the end away from the inlet flange (2), the support shell (1) is provided with an oil inlet (9) and an oil return port (10), the oil inlet (9) is provided with a compensation pump (11), the compensation pump (11) is inductively connected with the inlet flow divider (4) through a wire, the oil return port (10) is provided with a one-way valve (12), the support shell (1) is provided with a plurality of vibration pickups (13), and the support shell (1) is provided with a display table (14), the display table (14) is electrically connected with the vibration pickups (13) through wires, respectively; The inlet flange (2) includes a connecting port (201) and a plurality of positioning ports (202), the connecting port (201) is provided with a sealing assembly (15), the inlet flange (2) is provided with a blocking rod (203), the blocking rod (203) is rotatably connected with the inlet flange (2), the blocking rod (203) is provided with a flow-following blade (204), the blocking rod (203) is provided with a blocking ring (205), the blocking ring (205) is provided with a plurality of turbulence rods (206) close to one end of the inlet flow divider (4), and each turbulence rod (206) is in sliding contact with the inner wall of the inlet flow divider (4), respectively; The inlet flow divider (4) is provided with a flow guide vane (401), the flow guide vane (401) is provided with a plurality of flow guide ports (402), each flow guide port (402) is communicated with the corresponding flow divider pipe (5), the flow guide vane (401) is provided with a sealing ring (403), the sealing ring (403) is connected with the inner wall of the inlet flow divider (4), and the outlet flange (3) is also provided with a flow guide vane (404), the flow guide vane (404) is provided with a plurality of anti-reverse ports (405), each anti-reverse port (405) is provided with an anti-reverse frame (406), and the anti-reverse frame (406) is rotatably connected with a plurality of anti-return vanes (407). The feedback rod (408) passes through the conducting sleeve (7), the feedback rod (408) is provided with a feedback assembly (16), the feedback assembly (16) comprises a plurality of feedback zones (1601), the feedback zones (1601) are uniformly arranged on the feedback rod (408), each feedback zone (1601) is respectively provided with a pressing piece (1602) and a pressing switch (1603), the pressing piece (1602) and the pressing switch (1603) are in sliding contact, the feedback zone (1601) is provided with a sealing diaphragm (1604), and the sealing diaphragm (1604) and the feedback zone (1601) form a sealed space.

2. A multi-tube balanced resonant flow meter according to claim 1, wherein: The feedback assembly (16) further comprises a trigger processing plate, the trigger processing plate is electrically connected with each pressing switch (1603) through a wire, and the trigger processing plate is arranged on the support shell (1); the trigger processing plate is electrically connected with the compensation pump (11) through a wire.

3. A multi-conduit balanced resonant flow meter according to claim 1, wherein: The conducting sleeve (7) is provided with a plurality of through holes (701), each shunt pipe (5) passes through a corresponding through hole (701), and each through hole (701) is provided with a locking structure (17). The locking structure (17) comprises a transmission sleeve (1701) and a transmission secondary sleeve (1702), the transmission sleeve (1701) and the transmission secondary sleeve (1702) are the same in structure, the transmission secondary sleeve (1702) and the transmission sleeve (1701) are respectively provided with a mounting groove and a mounting buckle, the mounting buckle on the transmission sleeve (1701) is buckled in the mounting groove on the transmission secondary sleeve (1702), and the transmission sleeve (1701) and the transmission secondary sleeve (1702) are slidably connected with the through hole (701).

4. A multi-conduit balanced resonant flow meter according to claim 3, wherein: The support shell (1) is provided with a limiting slide (101), the conducting sleeve (7) is embedded in the limiting slide (101) and is slidably connected with the limiting slide (101), the conducting sleeve (7) is provided with a plurality of positioning screw holes (1703), the locking bolts (1704) are rotatably connected with the positioning screw holes (1703), each locking bolt (1704) abuts against the transmission sleeve (1701) and the transmission secondary sleeve (1702), and the vibration pick-up (13) is arranged on both sides of the conducting sleeve (7).

5. A multi-conduit balanced resonant flow meter according to claim 1, wherein: The support shell (1) is provided with a plurality of layer sieve plates (102), the spacing between adjacent layer sieve plates (102) is equal, each layer sieve plate (102) is provided with a conducting block (103), and adjacent layer sieve plates (102) are provided with heat dissipation plates (104). The heat dissipation plates (104) are provided with conducting grooves (105), and the conducting blocks (103) are embedded in the conducting grooves (105) on the heat dissipation plates (104).

6. A multi-tube balanced resonant flow meter according to claim 5, wherein: The heat dissipation plate (104) is provided with a heat sensor (106), the support shell (1) is provided with a heat dissipation pipe (107), a plurality of heat dissipation grooves (108) are formed in the layer sieve plate (102), the heat dissipation pipe (107) is communicated with the heat dissipation grooves (108) on the layer sieve plate (102), the heat dissipation pipe (107) is provided with a heat exchange pump (109), the heat exchange pump (109) is electrically connected with the heat sensor (106) through wires, and the heat sensor (106) is electrically connected with the compensation pump (11) through wires.

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