CN215091547U - Smoke exhaust mechanism used in nozzle welding - Google Patents

Abstract

The utility model belongs to the technical field of the welding technique of discharging fume and specifically relates to a mechanism of discharging fume for nozzle welding time is related to, and it includes collection petticoat pipe and air exhauster, and the collection petticoat pipe is used for collecting near nozzle's smog, and collection petticoat pipe one end intercommunication has the air-supply line, and the one end intercommunication of collection petticoat pipe is kept away from to the air intake and the air-supply line of air exhauster, and the air outlet intercommunication of air exhauster has the exhaust pipe, and the exhaust pipe extends to outside the workshop. When welding the nozzle, open the air exhauster, the smog that thoughtlessly has metal dust and oily metal particle this moment can be collected by the collection petticoat pipe earlier, then through the air exhauster extraction, makes smog follow the air-supply line and gets into the exhaust pipe, finally outside the workshop with smog discharge through the exhaust pipe to make the air in the workshop keep fresh clean, and then reduce the injury that the smog that produces when welding the nozzle caused to operating personnel health.

Description

Smoke exhaust mechanism used in nozzle welding

Technical Field

The application relates to the technical field of welding smoke exhaust, in particular to a smoke exhaust mechanism used in nozzle welding.

Background

When pressure relief is performed on a pipeline or equipment, according to specific process requirements, hard materials are welded on the end face of the contact end of a nozzle and a valve clack of a safety valve, so that the hardness of the nozzle is increased, the nozzle cannot be damaged due to large impact force in the pressure relief process, and one equipment required in welding is a welding machine.

The welding machine comprises a workbench and a welding device for welding the nozzle, wherein the welding device is positioned above the workbench. When the nozzle is welded, the nozzle is placed on the workbench, the welding device is started, and then the nozzle is welded.

In the related art, when a hard material is welded on a nozzle, a large amount of smog of mixed metal dust and oily metal particles is generated, the smog can be diffused into air in a workshop to pollute the air quality in the workshop, and an operator breathes the smog-carrying air for a long time to hurt the body of the operator.

SUMMERY OF THE UTILITY MODEL

In order to reduce the injury that the smog that produces when welding the nozzle caused operating personnel health, this application provides a mechanism of discharging fume when being used for the nozzle welding.

The application provides a mechanism of discharging fume when being used for nozzle welding adopts following technical scheme:

the utility model provides a mechanism of discharging fume for when nozzle welding, includes collection petticoat pipe and air exhauster, and the collection petticoat pipe is used for collecting near nozzle's smog, and collection petticoat pipe one end intercommunication has the air-supply line, and the one end intercommunication of collection petticoat pipe is kept away from to the air intake and the air-supply line of air exhauster, and the air outlet intercommunication of air exhauster has the exhaust pipe, and the exhaust pipe extends to outside the workshop.

Through adopting above-mentioned technical scheme, when welding the nozzle, open the air exhauster, the smog that this moment thoughtlessly has metal dust and oily metal particle can be collected by the collection petticoat pipe earlier, then through the air exhauster extraction, makes smog follow the air-supply line and get into the exhaust pipe, finally outside the workshop with smog discharge through the exhaust pipe to make the air in the workshop keep fresh and clean, and then reduce the injury that the smog that produces caused operating personnel health when welding the nozzle.

Optionally, a filter screen is arranged at one end of the smoke collecting hood, which is far away from the air inlet pipe.

By adopting the technical scheme, the filter screen can filter metal dust mixed in smoke and impurities in air, so that the metal dust and the impurities cannot enter the air inlet pipe, and the possibility of blocking the air inlet pipe caused by the fact that the metal dust and the impurities are attached to the inner wall of the air inlet pipe is reduced.

Optionally, the one end that the exhaust pipe extends to outside the workshop is equipped with the sedimentation tank, and the storage has water in the sedimentation tank, and the one end that the exhaust pipe extends to outside the workshop stretches into in the sedimentation tank.

By adopting the technical scheme, after the smoke exhausted by the exhaust pipe is exhausted into the sedimentation water tank, oily metal particles mixed in the smoke can be settled in the sedimentation water tank under the action of self gravity, so that the possibility of pollution to the air environment caused by the direct discharge of the oily metal particles into the air is reduced.

Optionally, the filter is horizontally installed in the sedimentation tank, and the end part of the exhaust pipe extending to the outside of the workshop penetrates through the filter and then is located below the filter.

Through adopting above-mentioned technical scheme, after oily metal particle who mixes in the smog discharged into and subsides the pond, gas can drive some oily metal particle upward movement at the in-process of upward movement, and the filter can filter this part oily metal particle this moment, makes gas upwards discharge through the filter, and oily metal particle is then attached to on the filter to reduce the oily metal particle who discharges to in the air, reduce the pollution to air circumstance.

Optionally, a collecting pipe is arranged at one end of the exhaust pipe far away from the exhaust fan, and the collecting pipe is inserted in the exhaust pipe and is in threaded connection with the exhaust pipe.

Through adopting above-mentioned technical scheme, after the sedimentation pond is discharged into to exhaust pipe exhaust smog, because of the direct and water contact of collecting pipe for mixed oily metal particle in the smog can partly be attached to the collecting pipe inner wall, only need regularly take out the collecting pipe from the exhaust pipe this moment, to the collecting pipe clear up can, need not clear up the exhaust pipe, very convenient saving trouble.

Optionally, a sleeve is fixedly inserted into the collecting pipe, one end of the sleeve, which is far away from the exhaust pipe, protrudes outwards to form a limiting ring, and the limiting ring is abutted against the end face, which is far away from the exhaust fan, of the collecting pipe.

Through adopting above-mentioned technical scheme, when the collecting pipe that will dismantle down inserts the exhaust pipe, the spacing ring is held tightly this moment, inserts the sleeve in the collecting pipe, then twists and move the sleeve, makes the sleeve drive the collecting pipe precession exhaust pipe intraductally, can audio-visually judge the degree of depth that the collecting pipe precession exhaust pipe through the position of spacing ring, makes things convenient for operating personnel accuracy insert the collecting pipe in exhaust pipe.

Optionally, the end of the smoke collecting hood far away from the air inlet pipe is gradually enlarged from the end close to the air inlet pipe to the end far away from the air inlet pipe.

Through adopting above-mentioned technical scheme, collection petticoat pipe one end is the flaring form, can enlarge the collection scope to smog, makes the smog that produces when welding the nozzle can be as much as possible collected by the collection petticoat pipe to improve the collection cigarette effect of collection petticoat pipe.

Optionally, the air inlet pipe is a hose made of a flexible material.

Through adopting above-mentioned technical scheme, the air-supply line sets up to flexible hose, makes things convenient for operating personnel to adjust the position and the angle of collection petticoat pipe according to the concrete position that produces smog when the welding, makes the smog that produces when the collection petticoat pipe can be accurate collect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the smoke collecting hood and the exhaust fan, smoke generated when the nozzle is welded can be discharged out of a workshop, so that air in the workshop can be kept fresh and clean, and the harm of the smoke to the body of an operator is reduced;

2. by arranging the sedimentation water tank, oily metal particles mixed in the smoke can be settled in the sedimentation water tank under the action of self gravity, so that the possibility of pollution to the air environment caused by the direct discharge of the oily metal particles into the air is reduced;

3. through setting up the collecting pipe, only need regularly take out the collecting pipe in from the exhaust pipe, clear up the collecting pipe can, need not clear up the exhaust pipe, very convenient save trouble.

Drawings

FIG. 1 is a schematic diagram of a smoke evacuation mechanism intended to illustrate an embodiment of the present application;

FIG. 2 is a schematic view aimed at showing the structure of a filter net;

FIG. 3 is a schematic view of the collection tube in relation to the hub for clarity.

Description of reference numerals: 1. welding machine; 11. a work table; 12. a nozzle; 13. a welding device; 2. a smoke collecting hood; 21. a filter screen; 3. an exhaust fan; 4. an air inlet pipe; 5. an exhaust duct; 6. a sedimentation water tank; 7. a filter plate; 8. a collection pipe; 9. a sleeve; 91. a limit ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, a welding machine 1 is placed in a workshop, the welding machine 1 comprising a work table 11 and a welding device 13 for welding the nozzle 12, the welding device 13 being located above the work table 11. When welding the nozzle 12, the nozzle 12 is placed on the table 11, the welding device 13 is started, and then the nozzle 12 is welded.

The embodiment of the application discloses a mechanism of discharging fume when being used for nozzle welding. Referring to fig. 1, the smoke exhaust mechanism is applied to a welding machine 1 and comprises a smoke collecting hood 2 and an exhaust fan 3, the smoke collecting hood 2 is located near a welding device 13, one end of the smoke collecting hood 2 is communicated with an air inlet pipe 4, the exhaust fan 3 is arranged outside a workshop, an air inlet of the exhaust fan 3 is communicated with one end, far away from the smoke collecting hood 2, of the air inlet pipe 4, and an air outlet of the exhaust fan 3 is communicated with an exhaust pipe 5. When welding nozzle 12, open air exhauster 3, the smog that thoughtlessly has metal dust and oily metal particle this moment can be collected by collection petticoat pipe 2 earlier, then through the extraction of air exhauster 3, makes smog follow air-supply line 4 get into exhaust pipe 5, finally discharges smog outside the workshop through exhaust pipe 5 to make the air in the workshop keep fresh and clean, and then reduce the injury that the smog that produces when welding nozzle 12 caused to operating personnel health.

Referring to fig. 1 and 2, the fume collecting hood 2 is a tubular structure with two open ends, the air inlet pipe 4 is a flexible pipe made of flexible material, and the opening of one end of the fume collecting hood 2 far away from the air inlet pipe 4 is gradually increased from one end close to the air inlet pipe 4 to one end far away from the air inlet pipe 4; the end of the exhaust fume collecting hood 2 with a larger opening is fixedly connected with a filter screen 21. The filter screen 21 can filter metal dust mixed in the smoke and impurities in the air, so that the metal dust and the impurities cannot enter the air inlet pipe 4, and the possibility that the metal dust and the impurities are attached to the inner wall of the air inlet pipe 4 to block the air inlet pipe 4 is reduced.

Referring to fig. 1 and 3, the smoke exhaust mechanism further comprises a square sedimentation water tank 6, the sedimentation water tank 6 is positioned at one end of the exhaust pipe 5 far away from the exhaust fan 3, clear water is stored in the sedimentation water tank 6, a filter plate 7 is horizontally and fixedly connected in the sedimentation water tank 6, the filter plate 7 is of a square plate-shaped structure, and the filter plate 7 is abutted against the sedimentation water tank 6; a collecting pipe 8 is arranged at one end of the exhaust pipe 5 far away from the exhaust fan 3, the collecting pipe 8 is of a tubular structure, two ends of the collecting pipe 8 are opened, and the collecting pipe 8 is inserted into the exhaust pipe 5 and is in threaded connection with the exhaust pipe 5; the filter 7 has run through along 7 thickness directions of filter and has seted up the intercommunicating pore, and 5 accessible intercommunicating pores of exhaust pipe stretch into 7 below of filter.

Referring to fig. 3, a sleeve 9 is fixedly inserted into the collecting pipe 8, the sleeve 9 is a hollow tubular structure, two ends of the sleeve are open, one end of the sleeve 9, which is far away from the exhaust fan 3, protrudes outwards to form a limiting ring 91, and the limiting ring 91 is abutted to the end face of the collecting pipe 8, which is far away from the exhaust fan 3.

After exhaust 5 exhaust smog is discharged into and is subsided pond 6, oily metal particle mixed in the smog can subside in subsiding pond 6 under self action of gravity, thereby reduce the possibility that these oily metal particle directly discharge to cause the pollution to the air circumstance in the air, and because of collecting pipe 8 is direct and water contact, make the oily metal particle mixed in the smog have partly to adhere to at collecting pipe 8 inner wall, only need regularly take out collecting pipe 8 from exhaust 5 this moment, then clear up collecting pipe 8 can, need not to clear up exhaust 5, it is very convenient save trouble.

The implementation principle of a mechanism of discharging fume when being used for nozzle welding of this application embodiment does: when welding nozzle 12, open air exhauster 3, the smog that thoughtlessly has metal dust and oily metal particle this moment can be collected by collection petticoat pipe 2 earlier, then through the extraction of air exhauster 3, makes smog follow air-supply line 4 get into exhaust pipe 5, finally discharges smog outside the workshop through exhaust pipe 5 to make the air in the workshop keep fresh and clean, and then reduce the injury that the smog that produces when welding nozzle 12 caused to operating personnel health.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 (8)

1. The utility model provides a mechanism of discharging fume when being used for nozzle welding which characterized in that: including collection petticoat pipe (2) and air exhauster (3), collection petticoat pipe (2) are used for collecting near nozzle (12) smog, and collection petticoat pipe (2) one end intercommunication has air-supply line (4), and the one end intercommunication of collection petticoat pipe (2) is kept away from with air-supply line (4) to the air intake of air exhauster (3), and the air outlet intercommunication of air exhauster (3) has exhaust pipe (5), and exhaust pipe (5) extend to outside the workshop.

2. The fume exhaust mechanism for nozzle welding according to claim 1, wherein: and a filter screen (21) is arranged at one end of the smoke collecting hood (2) far away from the air inlet pipe (4).

3. The fume exhaust mechanism for nozzle welding according to claim 1, wherein: exhaust pipe (5) extend to the one end outside the workshop and are equipped with sedimentation tank (6), and sedimentation tank (6) internal storage has water, and exhaust pipe (5) extend to the one end outside the workshop and stretch into in sedimentation tank (6).

4. The fume exhaust mechanism for nozzle welding according to claim 3, wherein: the filter plate (7) is horizontally installed in the sedimentation water tank (6), and the end part of the exhaust pipe (5) extending out of the workshop penetrates through the filter plate (7) and then is located below the filter plate (7).

5. The fume exhaust mechanism for nozzle welding according to claim 3, wherein: one end of the exhaust pipe (5) far away from the exhaust fan (3) is provided with a collecting pipe (8), and the collecting pipe (8) is inserted in the exhaust pipe (5) and is in threaded connection with the exhaust pipe (5).

6. The fume exhaust mechanism for nozzle welding according to claim 5, wherein: the exhaust fan is characterized in that a sleeve (9) is fixedly inserted into the collecting pipe (8), one end, far away from the exhaust pipe (5), of the sleeve (9) protrudes outwards to form a limiting ring (91), and the limiting ring (91) is abutted to the end face, far away from the exhaust fan (3), of the collecting pipe (8).

7. The fume exhaust mechanism for nozzle welding according to claim 1, wherein: one end of the smoke collecting hood (2) far away from the air inlet pipe (4) is gradually enlarged from one end close to the air inlet pipe (4) to one end opening far away from the air inlet pipe (4).

8. The fume exhaust mechanism for nozzle welding according to claim 1, wherein: the air inlet pipe (4) is a hose made of flexible materials.

Images