CN218830517U - Monitoring devices is revealed with four pipes to sound wave conduction ware - Google Patents

Abstract

The utility model relates to a monitoring devices is revealed to sound wave conduction ware and four pipes, the sound wave conduction ware is installed on the water-cooling wall, the sound wave conduction ware includes straight tube section and "Y" shape tube section, the one end of straight tube section with connect through flange between the A mouth end of "Y" shape tube section, be formed with first heat radiation fin on the straight tube section, first heat radiation fin is used for improving the radiating effect of straight tube section to reduce from the water-cooling wall transmit to the heat of "Y" shape tube section. The equipment can increase the heat dissipation area of the sound wave conductor and improve the heat dissipation effect of the sound wave conductor.

Description

Monitoring devices is revealed with four pipes to sound wave conduction ware

Technical Field

The utility model relates to a boiler equipment technical field of thermal power plant, specifically relates to a monitoring devices is revealed to sound wave conduction ware and four pipes.

Background

In a thermal power plant, a coal-fired unit has serious blowing loss on four boiler pipes (an economizer pipe, a water wall pipe, a superheater pipe and a reheater pipe) due to large ash powder, and the coal-fired boiler is relatively complex and has complex pipelines, so that leakage of the four pipes is easily caused, the leakage of the four pipes is monitored, a sensor for acquiring field data is arranged on a sound wave conduction pipe, and the sound wave conduction pipe is welded on fins among the water wall pipes. The temperature of a water cooling wall tube of a 660MW unit is generally about 400 ℃, sometimes can reach 500 ℃, the temperature of a sound wave conduction tube on the outer side of the water cooling is about 120 ℃, the temperature of a shell of a sound wave sensor is about 67 ℃, and the fault rate of the sound wave sensor is high in a high-temperature environment for a long time.

At present, the common mode is to extend the sound wave conduction tube of the sound wave sensor, and the extension of the sound wave conduction tube can be far away from the heat source, but the detection distance of the sound wave sensor is limited, the sound wave conduction tube can not be extended without limit, and the effective detection distance is sacrificed when the sound wave conduction tube is extended for a certain distance.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a monitoring devices is revealed to sound wave conduction ware and four pipes, and this equipment can increase the heat radiating area of sound wave conduction ware, improves the radiating effect of sound wave conduction ware.

In order to achieve the above object, the present disclosure provides a sound wave conductor, the sound wave conductor is installed on a water-cooled wall, the sound wave conductor includes a straight pipe section and a "Y" shaped pipe section, one end of the straight pipe section is connected with an a-port end of the "Y" shaped pipe section through a connecting flange, a first heat dissipation fin is formed on the straight pipe section, and the first heat dissipation fin is used for improving a heat dissipation effect of the straight pipe section so as to reduce heat transferred from the water-cooled wall to the "Y" shaped pipe section.

Optionally, the connecting flange includes a first flange and a second flange, the first flange is connected to an end of the straight pipe section, the second flange is connected to an end of the "a" of the "Y" shaped pipe section, the first flange is connected to the second flange through a bolt, an asbestos pad is sandwiched between the first flange and the second flange, and the asbestos pad is used for isolating heat transferred from the water-cooled wall to the "Y" shaped pipe section.

Optionally, the acoustic wave conductor further comprises an acoustic wave sensor, the B-port end of the "Y" shaped pipe section is provided with a mounting joint, and the acoustic wave sensor is mounted on the mounting joint.

Optionally, the mounting joint includes a ferrule and a card body, the ferrule is formed with a mounting hole, the card body is a T-shaped structure, a small-diameter end of the card body passes through the mounting hole and is in threaded connection with a B-port end of the Y-shaped pipe section, a diameter of a large-diameter end of the card body is larger than a bore diameter of the mounting hole, and the ferrule is in threaded connection with the acoustic sensor.

Optionally, the acoustic wave sensor includes a housing and an inner core, the housing is in threaded connection with the ferrule, the inner core is located in the housing, the inner core is in threaded connection with the housing, an installation clamping groove is formed on the inner core, and the installation clamping groove is used for being matched with a wrench to install and fasten the inner core.

Optionally, the inner core includes a connector and a core, the connector has a diameter larger than that of the core, the core is fixed on the connector, and the connector is in threaded connection with the inner side wall of the outer shell.

Optionally, the outer side wall of the housing is formed with second heat dissipation fins protruding outward, and the inner side wall of the housing is formed with grooves corresponding to the second heat dissipation fins.

The utility model also provides a four-tube leakage monitoring device, include the aforesaid sound wave conduction ware, sweep ball valve and sweep the mechanism, the C mouth end of "Y" shape pipeline section with sweep the exit end of ball valve and be connected, sweep the entry end of ball valve with sweep the mechanism intercommunication.

Optionally, the purging mechanism includes an air source, a solenoid valve and a hose, an inlet end of the solenoid valve is connected to the air source through a first pipeline, an outlet end of the solenoid valve is connected to one end of the hose through a second pipeline, and the other end of the hose is connected to an inlet end of the purging ball valve.

Optionally, the four-pipe leakage monitoring device further includes a compressed air pipe, the acoustic wave transmitter further includes an acoustic wave sensor, one end of the compressed air pipe is communicated with the first pipe, the other end of the compressed air pipe is an open end, an opening direction of the open end faces the acoustic wave sensor, an air source isolation door is arranged on the compressed air pipe, the compressed air pipe is used for spraying compressed air to the acoustic wave sensor to cool the acoustic wave sensor, and the air source isolation door is used for controlling on-off of the compressed air pipe.

Through the technical scheme, the arrangement of the first radiating fins can increase the radiating area of the straight pipe section and improve the radiating effect of the straight pipe section, so that the heat transferred from the water-cooled wall to the Y-shaped pipe section is reduced, and the temperature of the Y-shaped pipe section is reduced.

The blowing mechanism can blow air into the sound wave conduction pipe to avoid blockage caused by accumulated dust in the sound wave conduction pipe, and the blowing ball valve can control blowing and disconnection of the blowing mechanism.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic structural view of an acoustic wave conductor provided in an exemplary embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a four-tube leak monitoring device according to an exemplary embodiment of the present disclosure;

FIG. 3 is a front view of a housing provided by an exemplary embodiment of the present disclosure;

FIG. 4 is a top view of a housing provided in an exemplary embodiment of the present disclosure;

FIG. 5 is a schematic structural view of an inner core provided in accordance with an exemplary embodiment of the present disclosure;

FIG. 6 is a top view of an inner core provided by an exemplary embodiment of the present disclosure;

FIG. 7 is a schematic diagram of a field joint provided by an exemplary embodiment of the present disclosure;

FIG. 8 is a schematic diagram of a card body according to an exemplary embodiment of the present disclosure.

Description of the reference numerals

1-a straight pipe section;

2- "Y" shaped pipe section;

3-a connecting flange;

4-first heat dissipation fins;

5-asbestos pad;

6, installing a joint; 61-cutting sleeve; 62-a card body;

7-an acoustic wave sensor; 71-a housing; 711-second cooling fins; 712-a groove; 72-an inner core; 721-installing a clamping groove; 722-a linker; 723-core;

8-purging the ball valve;

9-a purging mechanism; 91-an electromagnetic valve; 92-a hose; 93-a first conduit; 94-a second conduit;

10-compressed air line;

11-water wall.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" are generally defined in the direction of the drawing plane of the drawings, and "inner and outer" refer to the inner and outer of the relevant component parts. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

As shown in fig. 1 and 2, the present disclosure provides a sound wave conductor, which is installed on a water-cooled wall 11, and includes a straight pipe section 1 and a "Y" shaped pipe section 2, wherein one end of the straight pipe section 1 is connected to an a-port end of the "Y" shaped pipe section 2 through a connecting flange 3, a first heat dissipation fin 4 is formed on the straight pipe section 1, and the first heat dissipation fin 4 is used for improving a heat dissipation effect of the straight pipe section 1, so as to reduce heat transferred from the water-cooled wall 11 to the "Y" shaped pipe section 2.

Wherein, one end of the straight pipe section 1 far away from the Y-shaped pipe section 2 is welded on the water cooled wall 11.

Through the technical scheme, the arrangement of the first radiating fins 4 can increase the radiating area of the straight pipe section 1 and improve the radiating effect of the straight pipe section 1, so that the heat transferred from the water-cooled wall 11 to the Y-shaped pipe section 2 is reduced, and the temperature of the Y-shaped pipe section 2 is reduced.

Optionally, the connecting flange 3 includes a first flange and a second flange, the first flange is connected to an end of the straight pipe section 1, the second flange is connected to an end of the port a of the "Y" shaped pipe section 2, the first flange and the second flange are connected by a bolt, an asbestos pad 5 is clamped between the first flange and the second flange, and the asbestos pad 5 is used for isolating heat transferred from the water-cooled wall 11 to the "Y" shaped pipe section 2.

Through above-mentioned technical scheme, asbestos pad 5 has thermal-insulated effect, can completely cut off some heat that transfers to "Y" tube section 2 from water-cooled wall 11 to reduce the temperature of "Y" tube section 2 department.

In an exemplary embodiment of the present disclosure, the first flange and the second flange are connected by four bolts, the bolts may be made of nylon, the hardness of the nylon is equivalent to that of steel, and the heat insulation effect is better than that of steel, so as to further reduce the heat transferred from the water wall 11 to the Y-shaped pipe section 2.

Optionally, the acoustic wave conductor further comprises an acoustic wave sensor 7, the B-port end of the "Y" shaped pipe section 2 is provided with a mounting joint 6, and the acoustic wave sensor 7 is mounted on the mounting joint 6.

Through the technical scheme, the acoustic wave sensor 7 is fixed on the Y-shaped pipe section 2 by using the mounting joint 6.

In an exemplary embodiment of the present disclosure, the installation joint 6 may be made of nylon, which has a hardness comparable to that of steel and has a better thermal insulation effect than steel, so as to further reduce the amount of heat transferred from the water wall 11 to the acoustic wave sensor 7.

As shown in fig. 7 and 8, optionally, the mounting connector 6 includes a ferrule 61 and a card body 62, the ferrule 61 is formed with a mounting hole, the card body 62 is of a T-shaped structure, a small-diameter end of the card body 62 passes through the mounting hole and is in threaded connection with a B-port end of the "Y" shaped pipe section 2, a diameter of a large-diameter end of the card body 62 is larger than a bore diameter of the mounting hole, and the ferrule 61 is in threaded connection with the acoustic wave sensor 7.

Through above-mentioned technical scheme, cutting ferrule 61 and the cooperation setting of the card body 62 have connect firm, the pressure resistance is high, temperature toleration, leakproofness and repeatability are good, installation is overhauld conveniently, advantage such as work safe and reliable.

In an exemplary embodiment of the present disclosure, a first internal thread is formed at the B-port end of the "Y" -shaped pipe section 2, a first external thread is formed at the small-diameter end of the clip body 62, the first internal thread is in threaded fit with the first external thread, a second internal thread is formed on the clip sleeve 61, a second external thread is formed on the acoustic wave sensor 7, and the second internal thread is in threaded fit with the second external thread.

In an exemplary embodiment of the present disclosure, the ferrule 61 is a cylindrical structure with two openings different from each other, the smaller opening of the ferrule 61 is a mounting hole, the inner diameter of the larger opening of the ferrule 61 is larger than the outer diameter of the larger diameter end of the card body 62, the smaller diameter end of the card body 62 passes through the mounting hole and is in threaded connection with the B-port end of the "Y" pipe section 2, and the larger diameter end of the card body 62 is accommodated in the ferrule 61.

As shown in fig. 6, the acoustic wave sensor 7 optionally includes an outer shell 71 and an inner core 72, the outer shell 71 is screwed with the ferrule 61, the inner core 72 is located in the outer shell 71, the inner core 72 is screwed with the outer shell 71, and a mounting slot 721 is formed on the inner core 72, the mounting slot 721 is used for matching with a wrench to mount and fasten the inner core 72.

Through above-mentioned technical scheme, shell 71 and cutting ferrule 61 threaded connection and inner core 72 and shell 71 threaded connection's setting, not only the connection is more firm, still convenient to detach and change, the setting of installation draw-in groove 721 for the spanner can block installation draw-in groove 721, installs and fastens inner core 72.

In an exemplary embodiment of the present disclosure, the number of the mounting slots 721 may be multiple, for example, two, three, etc., and the multiple mounting slots 721 are arranged at intervals.

In an exemplary embodiment of the present disclosure, a second external thread is formed at a bottom end of an outer side wall of the outer shell 71, a second internal thread is formed on an inner side wall of the ferrule 61, the second internal thread is in threaded fit with the second external thread, a third external thread is formed at a lower end of the inner core 72, a third internal thread is formed on an inner side wall of the outer shell 71, and the third external thread is in threaded fit with the third internal thread.

In an exemplary embodiment of the present disclosure, the inner core 72 is further provided with a wiring plug, and the wiring plug is connected with the control line and the signal line.

As shown in fig. 5, optionally, inner core 72 comprises a connector 722 and a core 723, the diameter of connector 722 is larger than the diameter of core 723, core 723 is fixed on connector 722, and connector 722 is screwed with the inner side wall of outer shell 71.

Through the technical scheme, the core body 723 and the inner side wall of the shell 71 are arranged at intervals, so that heat conducted to the core body 723 can be reduced, and the ambient temperature of the core body 723 is kept within 60 ℃ to a greater extent, so that the reliability and stability of detection of the acoustic wave sensor 7 are guaranteed, and the service life of the acoustic wave sensor 7 is prolonged.

In an exemplary embodiment of the present disclosure, the connector 722 is made of nylon, which has a better heat insulation effect to further isolate the energy transferred from the boiler.

In an exemplary embodiment of the present disclosure, core 723 comprises a control plate, a sound collection transducer, a horn, etc.

As shown in fig. 3 and 4, alternatively, a second radiator fin 711 protruding outward is formed on an outer sidewall of the housing 71, and a groove 712 corresponding to the second radiator fin 711 is formed on an inner sidewall of the housing 71.

The first radiator fins 4 and the second radiator fins 711 may have various structures, for example: a sheet-like structure, a fin-like structure, a milk spike-like or columnar protrusion, the disclosure not being limited thereto.

Through the above technical solution, the contact area between the housing 71 and the air can be increased by the arrangement of the second heat dissipation fins 711 and the grooves 712, and the heat dissipation effect of the acoustic wave sensor 7 is improved.

In an exemplary embodiment of the present disclosure, the second heat dissipation fins 711 and the grooves 712 are disposed in a one-to-one correspondence, and the width of the second heat dissipation fins 711 is greater than the width of the grooves 712, so that the heat dissipation area of the acoustic wave sensor 7 can be further increased while the strength of the acoustic wave sensor 7 is ensured.

In an exemplary embodiment of the present disclosure, the housing 71 is made of an aluminum alloy material, which has a better heat dissipation effect and a lighter weight compared to a stainless steel material.

In an exemplary embodiment of the present disclosure, the outer case 71 is formed with a wire passing hole through which a control wire and a signal wire connected to the inner core 72 can pass.

In an exemplary embodiment of the present disclosure, the outer shell 71 includes a shell and an upper cover cooperatively mounted on the shell, the upper cover is detachably connected to the shell, for example, clamped, screwed, etc., and the upper cover and the shell are cooperatively disposed to facilitate opening the outer shell 71 and replacing or repairing the inner core 72.

As shown in fig. 2, the present disclosure further provides a four-tube leakage monitoring device, which includes the above-mentioned sound wave transmitter, the purge ball valve 8 and the purge mechanism 9, wherein the C-port end of the "Y" shaped tube section 2 is connected with the outlet end of the purge ball valve 8, and the inlet end of the purge ball valve 8 is communicated with the purge mechanism 9.

Through above-mentioned technical scheme, sweep mechanism 9 and can blow in the air to the sound wave conduction pipe to avoid the interior deposition of sound wave conduction pipe to accumulate and cause the jam, sweep ball valve 8 and can control sweeping and breaking of sweeping mechanism 9.

Alternatively, the purging mechanism 9 comprises an air source, a solenoid valve 91 and a hose 92, wherein an inlet end of the solenoid valve 91 is connected with the air source through a first pipeline 93, an outlet end of the solenoid valve 91 is connected with one end of the hose 92 through a second pipeline 94, and the other end of the hose 92 is connected with an inlet end of the purge ball valve 8.

Through the technical scheme, the electromagnetic valve 91 can control the opening and the disconnection of the air source and the size of the air flow, and the first pipeline 93, the second pipeline 94 and the hose 92 are used for conveying the purge gas.

Optionally, the four-tube leakage monitoring device further includes a compressed air line 10, the acoustic wave transmitter further includes an acoustic wave sensor 7, one end of the compressed air line 10 is communicated with the first line 93, the other end of the compressed air line 10 is an open end, the opening direction of the open end faces the acoustic wave sensor 7, an air source isolation door is arranged on the compressed air line 10, the compressed air line 10 is used for spraying compressed air to the acoustic wave sensor 7 to cool the acoustic wave sensor 7, and the air source isolation door is used for controlling on-off of the compressed air line 10.

Through the technical scheme, the compressed air pipeline 10 can convey and spray the compressed air in the first pipeline 93 onto the acoustic wave sensor 7, so that the heat dissipation of the acoustic wave sensor 7 is accelerated, and the heat dissipation effect of the acoustic wave sensor 7 is improved. The air source isolation door can control the compressed air pipeline 10 to be disconnected under the condition that the ambient temperature is low, does not spray the compressed air for cooling to the sound wave sensor 7, and controls the compressed air pipeline 10 to be communicated under the condition that the ambient temperature is high, so as to spray the compressed air for cooling to the sound wave sensor 7.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the above embodiments, the various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations will not be further described in the present disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A sound wave conductor is arranged on a water-cooled wall and is characterized by comprising a straight pipe section and a Y-shaped pipe section, wherein one end of the straight pipe section is connected with an A-port end of the Y-shaped pipe section through a connecting flange, first radiating fins are formed on the straight pipe section and used for improving the radiating effect of the straight pipe section so as to reduce heat transferred from the water-cooled wall to the Y-shaped pipe section.

2. The acoustic wave conductor according to claim 1, wherein the connection flange comprises a first flange and a second flange, the first flange is connected with an end portion of the straight pipe section, the second flange is connected with an end portion of an a port of the Y-shaped pipe section, the first flange and the second flange are connected through bolts, an asbestos pad is clamped between the first flange and the second flange, and the asbestos pad is used for isolating heat transferred from the water-cooled wall to the Y-shaped pipe section.

3. The acoustic wave conductor according to claim 1, further comprising an acoustic wave sensor, wherein the B-port end of the "Y" shaped pipe section is provided with a mounting adapter, and the acoustic wave sensor is mounted on the mounting adapter.

4. The acoustic wave transducer according to claim 3, wherein the mounting adapter comprises a ferrule and a clip body, the ferrule has a mounting hole formed therein, the clip body has a T-shaped structure, the small-diameter end of the clip body passes through the mounting hole and is screwed with the B-port end of the "Y" -shaped pipe section, the large-diameter end of the clip body has a diameter larger than the diameter of the mounting hole, and the ferrule is screwed with the acoustic wave sensor.

5. The acoustic wave transducer according to claim 4, wherein the acoustic wave sensor comprises an outer shell and an inner core, the outer shell is in threaded connection with the ferrule, the inner core is located in the outer shell, the inner core is in threaded connection with the outer shell, and a mounting slot is formed on the inner core and is used for being matched with a wrench to mount and fasten the inner core.

6. The acoustic wave conductor according to claim 5, wherein the inner core comprises a connecting body and a core, the connecting body having a diameter larger than a diameter of the core, the core being fixed to the connecting body, the connecting body being screwed to an inner side wall of the outer shell.

7. The acoustic wave conductor according to claim 5, wherein the outer side wall of the housing is formed with second heat dissipating fins protruding outward, and the inner side wall of the housing is formed with grooves corresponding to the second heat dissipating fins.

8. A four-tube leakage monitoring device, comprising the sound wave conductor, the purge ball valve and the purge mechanism as claimed in any one of claims 1 to 7, wherein the C-port end of the "Y" -shaped tube section is connected with the outlet end of the purge ball valve, and the inlet end of the purge ball valve is communicated with the purge mechanism.

9. The four-tube leakage monitoring device according to claim 8, wherein the purging mechanism comprises an air source, a solenoid valve and a hose, an inlet end of the solenoid valve is connected with the air source through a first pipeline, an outlet end of the solenoid valve is connected with one end of the hose through a second pipeline, and the other end of the hose is connected with an inlet end of the purge ball valve.

10. The four-tube leak monitoring device of claim 9, further comprising a compressed air line;

the sound wave conductor further comprises a sound wave sensor, one end of the compressed air pipeline is communicated with the first pipeline, the other end of the compressed air pipeline is an open end, the opening direction of the open end faces the sound wave sensor, an air source isolation door is arranged on the compressed air pipeline, the compressed air pipeline is used for spraying compressed air to the sound wave sensor so as to cool the sound wave sensor, and the air source isolation door is used for controlling the on-off of the compressed air pipeline.

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