CN217452543U - Fume extractor of plasma cutting machine - Google Patents

Abstract

The utility model relates to a fume extractor of a plasma cutting machine, which structurally comprises a fume collecting hood which is arranged above a plasma cutting machine body and covers a workshop, wherein the fume collecting hood is connected with one end of an air pipe, a fume exhaust fan is arranged on the air pipe, and the other end of the air pipe extends out of the workshop and is connected with a filter box; the plasma cutting machine is characterized by further comprising a butt joint air pipe, one end of the butt joint air pipe is in butt joint with an air port below the side of the plasma cutting machine body, and the other end of the butt joint air pipe is communicated with the air pipe. The utility model has the advantages that: the concentration of smoke dust in the processing plant can be reduced, and occupational health hazards of the smoke dust to constructors are reduced; reduce the influence of smoke and dust to construction environment, guarantee workman's safety construction. The smoke and dust is treated and discharged to reach the green environmental protection emission standard, so that the pollution to the atmospheric environment can be reduced; the smoke exhaust device can be effectively used for a long time; the installation and disassembly are convenient, the repeated utilization can be realized, and the cost is reduced; can prevent fire and protect the service life of the smoke exhaust device.

Description

Fume extractor of plasma cutting machine

Technical Field

The utility model relates to a plasma cutting machine fume extractor, concretely relates to plasma cutting machine fume extractor is used in processing of electromechanical installation ventilation specialty tuber pipe belongs to equipment and electromechanical installation technical field.

Background

In the prior art, most of the smoke discharged from the plasma cutting machine is discharged only from the smoke outlet and the concentration of the smoke is reduced, and a fan is adopted to directly blow the smoke discharged from the smoke outlet into the air or discharge the smoke from the smoke outlet through a filter screen.

The plasma cutting machine smoke discharging mode in the prior art has the following defects:

firstly, smoke above a plasma cutting machine cannot be treated, the construction environment is polluted to a certain degree, safe and civilized construction is not met, the physical health of constructors (pneumoconiosis and the like) is influenced, the sight of the constructors is influenced, and safe construction is not facilitated;

secondly, whether the smoke dust is discharged up to the standard or not can not be ensured, and the atmospheric pollution can be caused if the smoke dust is not treated completely;

the disassembly is inconvenient and the reuse is not available;

metal spark particles are contained in smoke dust at the smoke outlet, so that fire hazard exists, the smoke exhaust device is greatly damaged, and the service life is influenced;

fifthly, smoke dust particles are easy to accumulate on the filter screen, so that the filter screen is blocked, and the smoke exhaust function is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plasma cutting machine fume extractor, its purpose aims at overcoming the above-mentioned defect that prior art exists, carries out effectual collection and processing to the smoke and dust that ion cutting machine work produced.

The technical solution of the utility model: a fume extractor of a plasma cutting machine structurally comprises a fume collecting hood which covers the upper part of a plasma cutting machine body in a workshop, wherein the fume collecting hood is connected with one end of an air pipe, a fume extractor is arranged on the air pipe, and the other end of the air pipe extends out of the workshop and is connected with a filter box; the plasma cutting machine is characterized by further comprising a butt joint air pipe, one end of the butt joint air pipe is in butt joint with an air port below the side of the plasma cutting machine body, and the other end of the butt joint air pipe is communicated with the air pipe.

Preferably, the positions of the air pipe connecting the fume collecting hood and the butt joint air pipe connecting the plasma cutting machine body are respectively provided with a spark arresting net.

Preferably, a granular activated carbon fiber filter screen is arranged in the filter box.

Preferably, a reverse pulse dust removal device is further arranged in the filter box.

Preferably, the smoke exhaust port of the filter box is provided with a smoke dust detection device.

Preferably, four angles of collection petticoat pipe pass through screwed connection a pillar top respectively, the pillar bottom adopts the inflation screw to fix on the concrete foundation through the base.

The utility model has the advantages that: 1) the concentration of smoke dust in a processing plant can be reduced, and occupational health hazards (pneumoconiosis, heavy metal poisoning and the like) of the smoke dust to constructors are reduced; the influence (the sight of constructors) of smoke dust on the construction environment can be reduced, and the safety construction of workers is guaranteed. In order to meet the requirements, smoke collecting hoods, air pipes and the like are adopted to collect smoke and dust and discharge the smoke and dust into an outdoor filter box through a smoke exhaust fan;

2) the smoke and dust is treated and discharged to reach the green and environment-friendly discharge standard, and the pollution to the atmospheric environment can be reduced. In order to meet the requirement, an activated carbon fiber filter screen is arranged in the filter box to filter and treat the smoke dust, and the smoke dust is detected by monitoring equipment to be qualified and discharged after reaching the standard;

3) the smoke exhaust device can be effectively used for a long time, and in order to meet the requirement, a reverse pulse dust removal device is installed;

4) the installation and disassembly are convenient, the repeated utilization is realized, and the cost is reduced. In order to meet the requirement, flange screws are adopted for connection, so that the mounting and dismounting are convenient;

5) the fire hazard can be prevented and the service life of the smoke exhaust device can be protected, and in order to meet the requirement, a spark arresting net is arranged at the air port.

Drawings

Fig. 1 is a schematic structural diagram of the smoke exhaust device of the plasma cutting machine of the present invention.

In the figure, 1 is a plasma cutting machine body, 2 is a smoke collecting hood, 21 is a support, 22 is a base, 3 is an air pipe, 31 is a butt air pipe, 4 is a smoke exhaust fan, and 5 is filtering.

Detailed Description

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

As shown in figure 1, the structure of the fume extractor of the plasma cutting machine comprises a fume collecting hood 2 which covers the upper part of a plasma cutting machine body 1 in a workshop, wherein the fume collecting hood 2 is connected with one end of an air pipe 3, a fume exhaust fan 4 is arranged on the air pipe 3, and the other end of the air pipe 3 extends out of the workshop and is connected with a filter box 5.

The plasma cutting machine further comprises a butt joint air pipe 31, one end of the butt joint air pipe 31 is in butt joint with an air opening below the side of the plasma cutting machine body 1, and the other end of the butt joint air pipe 31 is communicated with the air pipe 3.

The smoke exhaust fan 4 discharges smoke exhausted from the smoke collecting hood 2 and the air outlet to the outdoor filter box 5 by using pressure difference.

The positions of the air pipe 3 connected with the fume collecting hood 2 and the positions of the butt joint air pipe 31 connected with the plasma cutting machine body 1 are respectively provided with a spark arresting net. Can prevent metal sparks in the plasma cutting machine from entering the air pipe 3.

A granular activated carbon fiber filter screen is arranged in the filter box 5. For treating smoke.

A reverse pulse dust removal device is also arranged in the filter box 5. The dust can be removed from the filter screen at regular time.

The smoke outlet of the filter box 5 is provided with a smoke dust detection device. And detecting the treated smoke dust to reach the emission standard.

Four angles of the smoke collecting hood 2 are respectively connected with the top end of a pillar 21 through screws, and the bottom end of the pillar 21 is fixed on a concrete foundation through a base 22 and expansion screws.

According to the above structure, during construction,

1) pouring the foundation concrete;

2) building a processing plant;

3) arranging a plasma cutting machine body 1;

4) manufacturing a base 22, a strut 21, a smoke collecting hood 2, an air pipe 3, a filter box 5 and the like according to construction environment and technical parameters;

5) installing a base 22 (expansion screws are fixed on a concrete foundation) according to the position of the plasma cutting machine body 1;

6) the mounting pillar 21 and the smoke collecting hood 2 are fixed by screws;

7) air pipe 3 for installing exhaust (according to construction environment, the overlong air pipe 3 can be provided with a bracket which can be made of C-shaped steel, and the flange of the air pipe 3 is fixed by screw connection)

8) A smoke exhaust fan 4 is arranged in the air pipe 3;

9) the air pipe 3 is connected with the filter box 5;

10) a detection device is arranged at the smoke outlet;

11) the smoke exhaust fan 4 is connected with electricity;

12) the plasma cutting machine body 1 works, and the smoke exhaust fan 4 is electrified to work.

Examples

The base 22 is a steel plate base: 1cm thick (fixed on the concrete foundation with 6 x 80 expansion screws).

Support column 21: 60X 60mm square steel of 2m height was used as the support.

And (3) a smoke collecting cover 2: the fume collecting hood 2 with 6000X 3300X 650mm is made up of 60X 60mm square steel and 40X 5mm angle steel.

Bracing: the pillar 21 and the fume collecting hood 2 are fixed by angle steel of 50 x 5 mm.

An air pipe 3: the 60 x 60mm air pipes 3 are made of galvanized iron sheets and are connected by flanges.

All the above components are prior art, and those skilled in the art can use any model and existing design that can implement their corresponding functions.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims (6)

1. A fume extractor of a plasma cutting machine is characterized by comprising a fume collecting hood (2) which covers the upper part of a plasma cutting machine body (1) in a workshop, wherein the fume collecting hood (2) is connected with one end of an air pipe (3), a fume exhaust fan (4) is arranged on the air pipe (3), and the other end of the air pipe (3) extends out of the workshop and is connected with a filter box (5); the plasma cutting machine further comprises a butt joint air pipe (31) with one end butted with an air port below the side of the plasma cutting machine body (1), and the other end of the butt joint air pipe (31) is communicated with the air pipe (3).

2. The fume extractor of the plasma cutting machine according to the claim 1, characterized in that the place where the air pipe (3) is connected with the fume collecting hood (2) and the place where the butt joint air pipe (31) is connected with the plasma cutting machine body (1) are respectively provided with a spark arresting net.

3. The fume extractor of claim 1, wherein a granular activated carbon fiber filter screen is arranged in the filter box (5).

4. A fume extractor for a plasma cutting machine according to claim 1, characterized in that said filter box (5) is provided with a reverse pulse dust extractor.

5. A plasma cutting machine smoke extractor according to claim 1, characterized in that the smoke outlet of the filter box (5) is provided with smoke detection means.

6. A fume extractor for a plasma cutting machine according to any one of claims 1 to 5, characterized in that four corners of the fume collecting hood (2) are respectively connected with the top end of a pillar (21) through screws, and the bottom end of the pillar (21) is fixed on a concrete foundation through a base (22) by using expansion screws.

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