CN215573127U - High-stability split type steam gas flowmeter - Google Patents

Abstract

The utility model discloses a split type steam gas flowmeter with high stability, which comprises a flowmeter body and a steam conduit, wherein a protective shell is sleeved outside the flowmeter body, a metal mesh layer is fixedly arranged on the inner side wall of the protective shell, the bottom of the flowmeter body is provided with the steam conduit, the middle part of the top surface of the steam conduit is communicated with a steam shunt pipe, a shunt protective sleeve is sleeved outside the steam shunt pipe, a heat dissipation mechanism is arranged outside the shunt protective sleeve, the top end of the steam shunt pipe is provided with a connecting sleeve, a condensation mechanism is arranged on the connecting sleeve, the top of the connecting sleeve is provided with a converter, and the converter is connected with a display through a signal line. The utility model not only improves the stability and the accuracy during measurement, but also has strong heat dispersion performance, avoids accidentally injuring workers, simultaneously eliminates the external influence and ensures the accuracy of the measurement result.

Description

High-stability split type steam gas flowmeter

Technical Field

The utility model relates to a steam gas flowmeter, in particular to a split type steam gas flowmeter with high stability.

Background

The steam flowmeter is mainly used for measuring the flow of steam medium fluid in an industrial pipeline, and is characterized by small pressure loss, wide range of measurement, high precision and little influence of parameters such as fluid density, pressure, temperature, viscosity and the like when measuring the volume flow of working conditions. No movable mechanical parts are needed, so the reliability is high and the maintenance amount is small.

However, the currently used steam flow meter can affect the measurement precision and accuracy under the condition of strong electromagnetic interference nearby, and long-time strong electromagnetic interference easily causes instrument failure and even damage, thereby causing unnecessary economic loss. It is therefore desirable to design a new type of flow meter.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the technology, the utility model provides the split type steam gas flowmeter with high stability.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a split type steam gas flowmeter that stability is high, including the flowmeter body, the steam pipe, the protective housing has been set to the outside cover of flowmeter body, the metal mesh layer has set firmly on the inside wall of protective housing, the bottom of flowmeter body is provided with the steam pipe, the middle part intercommunication of steam pipe top surface has the steam shunt tubes, steam shunt tubes overcoat is provided with the reposition of redundant personnel protective sheath, the reposition of redundant personnel protective sheath is provided with heat dissipation mechanism outward, the top of steam shunt tubes is provided with the adapter sleeve, be provided with condensation mechanism on the adapter sleeve, the top of adapter sleeve is provided with the converter, the converter passes through the signal line and is connected with the display.

Preferably, the heat dissipation mechanism comprises a plurality of heat dissipation fins in regular wavy shapes, heat dissipation holes are formed in the heat dissipation fins, the heat dissipation fins form a tubular shape and are sleeved on the shunt protection sleeve in a matching mode, and the heat dissipation fins are connected with the shunt protection sleeve through nuts in a threaded mode.

Preferably, the condensing mechanism is including setting up in the condensing box of adapter sleeve bottom, and the side of condensing box has set firmly the drainage tube, and the other end of drainage tube extends to steam conduit top surface and communicates with steam conduit, and the bottom of condensing box has set firmly the honeycomb duct that is located reposition of redundant personnel protective sheath inner chamber, and the bottom of honeycomb duct passes reposition of redundant personnel protective sheath and outwards extends, and the end intercommunication of honeycomb duct has the fluid-discharge tube, and the bottom of fluid-discharge tube extends to steam conduit top surface and communicates with steam conduit.

Preferably, the inner cavity of the condensing box is fixedly provided with a bent thin tube, and the left end and the right end of the bent thin tube are respectively fixedly connected with the two sides of the inner cavity of the condensing box.

Preferably, the side of drainage tube sets firmly the ascending first check valve of drainage direction, and the side of fluid-discharge tube sets firmly the decurrent second check valve of drainage direction.

Preferably, the steam guide pipe is located the below of protective housing, and the fixed cover is equipped with the pipe protective sheath outside the steam guide pipe, and left end, the right-hand member of pipe protective sheath all are provided with the flange.

Preferably, the top of the protective shell is fixedly provided with a handle, and one side of the protective shell is movably provided with a box door through a hinge.

The utility model not only improves the stability and the accuracy during measurement, but also has strong heat dispersion performance, avoids accidentally injuring workers, simultaneously eliminates the external influence and ensures the accuracy of the measurement result.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partial structural schematic diagram of the heat dissipation mechanism.

In the figure: 1. a flowmeter body; 2. a steam conduit; 3. a protective shell; 4. a metal mesh layer; 5. a steam shunt pipe; 6. a shunt protection sleeve; 7. connecting sleeves; 8. a converter; 9. a display; 10. a heat sink; 11. heat dissipation holes; 12. a condenser tank; 13. a drainage tube; 14. a flow guide pipe; 15. a liquid discharge pipe; 16. a first check valve; 17. a second check valve; 21. a catheter sheath; 22. a flange; 31. a grip; 32. and (4) a box door.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the split type steam gas flowmeter with high stability comprises a flowmeter body 1 and a steam conduit 2, wherein a protective shell 3 is sleeved on the outer side of the flowmeter body 1, a metal mesh layer 4 is fixedly arranged on the inner side wall of the protective shell 3, a handle 31 is fixedly arranged at the top of the protective shell 3, and a box door 32 is movably arranged on one side of the protective shell 3 through a hinge. By providing the protective case 3 and the metal mesh layer 4, strong electromagnetic field interference near the device can be shielded to improve stability and accuracy in use measurement, and the device can be prevented from malfunctioning and being damaged in the case of strong magnetic interference. The box door 32 can be opened to perform maintenance or service on the flowmeter body 1 inside the protective case 3.

The bottom of flowmeter body 1 is provided with steam guide pipe 2, and steam guide pipe 2 is located the below of protective housing 3, and steam guide pipe 2 external fixation cover is equipped with pipe protective sheath 21, and left end, the right-hand member of pipe protective sheath 21 all are provided with flange 22. One side of the flange 22, which is far away from the steam guide pipe 2, is fixedly provided with a sealing ring, so that the sealing performance between adjacent pipelines after flange connection can be improved through the sealing ring, and a certain buffering effect can be achieved to reduce the vibration of the adjacent pipelines.

Preferably, the catheter protecting sleeve 21 is fixedly connected with the bottom end of the shunt protecting sleeve 6 through a fastening bolt, so that the connection stability of the catheter protecting sleeve and the shunt protecting sleeve is ensured, and the stability and controllability of the device are realized. The connecting sleeve 7 is fixedly connected with the top end of the shunt protective sleeve 6 through a fixing bolt, so that the connection stability of the connecting sleeve 7 and the shunt protective sleeve 6 is ensured, and the stability and controllability of the device are realized.

The middle part of the top surface of the steam conduit 2 is communicated with a steam shunt pipe 5, a shunt protection sleeve 6 is sleeved outside the steam shunt pipe 5, a heat dissipation mechanism is arranged outside the shunt protection sleeve 6, a connecting sleeve 7 is arranged at the top end of the steam shunt pipe 5, a condensation mechanism is arranged on the connecting sleeve 7, a converter 8 is arranged at the top of the connecting sleeve 7, and the converter 8 is connected with a display 9 through a signal line. Through setting up heat dissipation mechanism, condensation mechanism, prevent that the too high measuring accuracy that influences of temperature.

As shown in fig. 2, the heat dissipation mechanism includes a plurality of regular wavy heat dissipation fins 10, heat dissipation holes 11 are formed in the heat dissipation fins 10, the heat dissipation fins 10 are formed into a tubular shape and are sleeved on the shunt protection sleeve 6 in a matching manner, and the heat dissipation fins 10 are connected with the shunt protection sleeve 6 through nuts and threads. The wavy radiating fins 10 are attached to the shunting protective sleeves 6 like scales, so that the radiating area is greatly increased. The heat dissipation treatment can greatly protect the components above the heat dissipation mechanism and ensure that the temperature is in a bearable range.

The condensing mechanism comprises a condensing box 12 arranged at the bottom of the connecting sleeve 7, a bent thin tube is fixedly arranged in the inner cavity of the condensing box 12, and the left end and the right end of the bent thin tube are fixedly connected with the two sides of the inner cavity of the condensing box 12 respectively. By means of the arrangement of the bent thin tubes, the efficiency of the condensing box 12 for condensing steam is guaranteed, the steam can be rapidly liquefied to absorb heat of the radiating fins, and the radiating performance is greatly improved. The side of condensing box 12 sets firmly drainage tube 13, and the other end of drainage tube 13 extends to 2 top surfaces of steam pipe and communicates with steam pipe 2, and the bottom of condensing box 12 sets firmly the honeycomb duct 14 that is located reposition of redundant personnel protective sheath 6 inner chamber, and the bottom of honeycomb duct 14 passes reposition of redundant personnel protective sheath 6 and outwards extends, and the end intercommunication of honeycomb duct 14 has fluid-discharge tube 15, and the bottom of fluid-discharge tube 15 extends to 2 top surfaces of steam pipe and communicates with steam pipe 2. The liquid discharge pipe 15 and the drainage pipe 13 are both positioned on the right side of the flow dividing protective sleeve 6, and the arrangement of the positions of the liquid discharge pipe 15 and the drainage pipe 13 avoids the influence of leading-in steam in advance on the accuracy of the flow meter on the whole steam flow measurement.

The steam is guided into the condensing box 12 through the drainage tube 13 to be condensed, then enters the guide tube protective sleeve 21 from the inner cavity of the shunt protective sleeve 6 in a downstream mode, residual heat on the radiating fins is absorbed through the downstream water flow, secondary heat dissipation is achieved, the situation that workers observing data at the side are injured due to overhigh temperature is avoided, and heat dissipation performance is greatly improved.

A first check valve 16 with an upward drainage direction is fixedly arranged on the side surface of the drainage tube 13, and a second check valve 17 with a downward drainage direction is fixedly arranged on the side surface of the drainage tube 15. Through setting up reverse first check valve 16 and second check valve 17, avoided the reverse backward flow of steam and rivers to influence whole radiating problem, improved the practicality.

During operation, at first steam flows in from steam pipe 2 from left to right, gets into converter 8 from steam shunt tubes 5 and calculates the flow, and steam passes through drainage tube 13 and leads to condensing box 12 with steam and condenses after that, then follow pipe protective sheath 21 inner chamber low current and get into pipe protective sheath 21 in, utilize the rivers that flow down to siphon away the remaining heat on the fin, finally realized the secondary heat dissipation, can.

By arranging the heat dissipation mechanism and the condensation mechanism, the problem that due to the fact that flow is measured by means of steam shunting, the temperature outside the shunt pipe is very high, workers observing data nearby are easily injured is solved, the heat dissipation performance is high, the stability and the accuracy in use and measurement are improved, the device can be prevented from being damaged due to failure under the condition of strong magnetic interference, and the device is more practical. In addition, the design structure is simple, the use is convenient, and the steam flowmeter can be widely applied to various steam flowmeters.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.

Claims (7)

1. The utility model provides a split type steam gas flowmeter that stability is high, includes flowmeter body (1), steam pipe (2), its characterized in that: protective housing (3) have been set to the outside cover of flowmeter body (1), metal mesh layer (4) have set firmly on the inside wall of protective housing (3), the bottom of flowmeter body (1) is provided with steam pipe (2), the middle part intercommunication of steam pipe (2) top surface has steam shunt tubes (5), steam shunt tubes (5) overcoat is provided with reposition of redundant personnel protective sheath (6), reposition of redundant personnel protective sheath (6) are provided with heat dissipation mechanism outward, and the top of steam shunt tubes (5) is provided with adapter sleeve (7), be provided with condensation mechanism on adapter sleeve (7), the top of adapter sleeve (7) is provided with converter (8), converter (8) are connected with display (9) through the signal line.

2. The split high-stability steam-gas flowmeter of claim 1, wherein: the heat dissipation mechanism comprises a plurality of heat dissipation fins (10) which are regularly wavy, heat dissipation holes (11) are formed in the heat dissipation fins (10), the heat dissipation fins (10) form a tubular shape and are sleeved on the shunting protection sleeve (6) in a matching mode, and the heat dissipation fins (10) are connected with the shunting protection sleeve (6) through nuts in a threaded mode.

3. The split steam-gas flowmeter with high stability of claim 2, wherein: condensation mechanism is including setting up in condensing box (12) of adapter sleeve (7) bottom, the side of condensing box (12) has set firmly drainage tube (13), the other end of drainage tube (13) extend to steam conduit (2) top surface and communicate with steam conduit (2), the bottom of condensing box (12) has set firmly honeycomb duct (14) that are located reposition of redundant personnel protective sheath (6) inner chamber, the bottom of honeycomb duct (14) is passed reposition of redundant personnel protective sheath (6) and is outwards extended, and the terminal intercommunication of honeycomb duct (14) has fluid-discharge tube (15), the bottom of fluid-discharge tube (15) extends to steam conduit (2) top surface and communicates with steam conduit (2).

4. The split high-stability steam-gas flowmeter of claim 3, wherein: the inner cavity of the condensing box (12) is fixedly provided with a bent thin tube, and the left end and the right end of the bent thin tube are fixedly connected with the two sides of the inner cavity of the condensing box (12) respectively.

5. The split high-stability steam-gas flowmeter of claim 4, wherein: the side of drainage tube (13) sets firmly the ascending first check valve of drainage direction (16), the side of fluid-discharge tube (15) sets firmly the decurrent second check valve of drainage direction (17).

6. The split high-stability steam-gas flowmeter of claim 5, wherein: steam conduit (2) are located the below of protective housing (3), and steam conduit (2) external fixation cover is equipped with pipe protective sheath (21), left end, the right-hand member of pipe protective sheath (21) all are provided with flange (22).

7. The split high-stability steam-gas flowmeter of claim 6, wherein: the top of the protective shell (3) is fixedly provided with a handle (31), and one side of the protective shell (3) is movably provided with a box door (32) through a hinge.

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