CN112090912A - Modularized air curtain separation downdraft welding smoke dust collecting device - Google Patents
Modularized air curtain separation downdraft welding smoke dust collecting device Download PDFInfo
- Publication number
- CN112090912A CN112090912A CN202010999325.0A CN202010999325A CN112090912A CN 112090912 A CN112090912 A CN 112090912A CN 202010999325 A CN202010999325 A CN 202010999325A CN 112090912 A CN112090912 A CN 112090912A
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- Prior art keywords
- air curtain
- downdraft
- air
- welding
- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
The invention discloses a modularized air curtain separation downdraft welding smoke dust collecting device which comprises a workbench, an air curtain dust separation module and a downdraft exhaust module, wherein the workbench, the air curtain dust separation module and the downdraft exhaust module are positioned in a working area; the downdraft exhaust module is arranged on the ground around the workbench; the air curtain dust separation module is used for forming an air curtain to surround the working area; the downdraft exhaust module is used for collecting welding smoke dust. The modular air curtain separation downdraft welding smoke dust collecting device can effectively control smoke dust in a welding workshop to capture concentrated welding dust, flexibly adapts to a working environment and is convenient to assemble and install.
Description
Technical Field
The invention belongs to the technical field of air purification of factory workshops, and particularly relates to a modularized air curtain separation downdraft welding fume collecting device.
Background
Welding is an important basic technology in the machining industry, and toxic and harmful welding fume generated in the process can pose health threats to workers working in the environment for a long time. In factory plants, fume cleaning is often used for smoke abatement. Generally, the ventilation modes mainly include full ventilation and partial ventilation. The overall ventilation is divided into natural ventilation and mechanical ventilation, the natural ventilation has low energy consumption, but the direction and the wind speed of outdoor wind are uncertain, the randomness of airflow is large, and the control effect is poor; although controllable, mechanical ventilation, when applied to large plants and multi-span plant spaces, causes a large loss of electrical energy, accompanied by severe noise pollution. The problem that the concentration of local welding smoke dust exceeds the standard is solved to a certain extent through local ventilation, and a local ventilation mode is mostly selected in the prior art.
However, such a design still has some defects, for example, due to the characteristics of flexible location and unfixed size of the welding part in the welding process, the arrangement of the local ventilation device may affect the normal operation of personnel and equipment, and the control effect of the smoke generated by the moving welding point is not good. Therefore, there is a strong need for a device that can effectively control the welding dust and flexibly adapt to various welding processes.
Disclosure of Invention
Aiming at the defects, the invention provides the modularized air curtain separation downdraft welding smoke dust collecting device, which can solve the two problems that the smoke dust in the welding workshop is difficult to effectively control and the adaptability of dust collecting equipment is poor.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:
a modularized air curtain separation downdraft welding smoke dust collecting device comprises a workbench, an air curtain dust separation module and a downdraft exhaust module, wherein the workbench, the air curtain dust separation module and the downdraft exhaust module are positioned in a working area; the downdraft exhaust module is arranged on the ground around the workbench; the air curtain dust separation module is used for forming an air curtain to surround the working area; the downdraft exhaust module is used for collecting welding smoke dust.
Preferably, the workbench, the air curtain dust separation module and the downdraft exhaust module are positioned in the working area, the air curtain dust separation module is arranged right above the working area, and the vertical projection of the air curtain dust separation module is overlapped with the working area; the downdraft exhaust module is arranged on the ground around the workbench; the air curtain dust separation module is used for forming an air curtain to surround the working area; the downdraft exhaust module is used for collecting welding smoke dust.
Preferably, the air curtain dust separation module further comprises an air curtain air return opening, the air curtain air return opening is located on the ground of the working area on the same vertical line with the center of the strip-shaped air opening, and the air curtain air return opening is lower than the ground to form an annular groove.
Preferably, the air flow velocity ejected by the blower when in operation is at least 2.5 m/s.
Preferably, the air curtain dust-proof module works, and the air flow speed at the air curtain return opening is at least 1 m/s.
Preferably, the downdraft exhaust module comprises an induced draft fan, an exhaust pipeline and a welding dust exhaust outlet, the welding dust exhaust outlet is arranged on the periphery of the workbench, the lower part of the welding dust exhaust outlet is communicated with the exhaust pipeline, and the induced draft fan is located in the exhaust pipeline.
Preferably, the downdraft exhaust module further comprises a protective net, the protective net is arranged on the surface of the welding dust exhaust outlet, and the protective net is of a detachable structure.
Preferably, when the induced draft fan works, the air flow speed at the welding dust exhaust port is at least 1.45 m/s.
Compared with the prior art, the modularized air curtain separation downdraft welding smoke dust collecting device can effectively control smoke dust in a welding workshop to capture concentrated welding dust, flexibly adapts to a working environment, and is convenient to assemble and install. The modularized air curtain separation downdraft welding smoke dust collecting device comprises a workbench, an air curtain dust separation module and a downdraft exhaust module, wherein the workbench, the air curtain dust separation module and the downdraft exhaust module are positioned in a working area; the downdraft exhaust module is arranged on the ground around the workbench; the air curtain dust separation module is used for forming an air curtain to surround the working area; the downdraft exhaust module is used for collecting welding smoke dust. By effectively combining the air curtain dust separation module and the downdraft ventilation module, the optimized blowing-sucking air curtain is adopted and reasonably configured with the downdraft welding dust exhaust device, so that the welding dust in the working area is effectively wrapped, the leakage of the welding dust is prevented, the smoke pollution of the working area can be effectively removed, and the air quality in the working area is effectively ensured. The problem of welding shop four sides open, local ventilation is difficult to effective control is solved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a front view of an embodiment of the present invention;
FIG. 3 is a schematic plan view of the arrangement of the air curtain exhaust outlet in the embodiment of the present invention;
FIG. 4 is a schematic plan view of the arrangement of the downdraft exhaust outlets in the embodiment of the present invention;
FIG. 5 is a schematic view of the arrangement of the downdraft exhaust duct in an embodiment of the present invention.
The figure shows that: suspended ceiling board 1, forced draught blower 2, static pressure case 3, bar wind gap 4, workstation 5, air curtain return air inlet 6, welding dirt air exit 7, protection network 8, draught fan 9 and exhaust pipe 10.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.
As shown in fig. 1, the modularized air curtain separation downdraft welding smoke dust collecting device according to the embodiment of the present invention includes a workbench 5 located in a working area, an air curtain dust separation module and a downdraft exhaust module, wherein the air curtain dust separation module is arranged right above the working area, and a vertical projection of the air curtain dust separation module coincides with the working area; the downdraft exhaust module is arranged on the ground around the workbench 5; the air curtain dust separation module is used for forming an air curtain to surround the working area; the downdraft exhaust module is used for collecting welding smoke dust.
The air curtain dust separation module separates each station from a large environment in a mode of forming an air curtain, maintains the independence of the environment and control of each station, is beneficial to reducing the purification load of non-important areas, reduces the number of integral welding dust collecting equipment and reduces the initial investment cost; be of value to unitized management simultaneously, be applicable to changeable production shift and production situation, each device all can freely be adjusted according to the size of station, can satisfy different production needs, forms modular assembled collection device, nimble adaptation operational environment. Therefore, energy waste can not be caused, and the later operation and maintenance cost is reduced. A station is divided into working areas, the control area is small, the air supply speed can be set to be low, and high noise generation caused by the air supply speed of a traditional workshop is avoided.
In the modular air curtain separation downdraft welding fume collecting device according to the above embodiment, preferably, the air curtain dust separation module includes a ceiling plate 1, a blower 2, a plenum box 3 and a strip-shaped air opening 4; the static pressure box 3 is arranged at the lower part of the suspended ceiling board 1, and the static pressure box 3 is arranged along the edge of a working area in a contrast manner; the blower 2 is arranged on the upper part of the suspended ceiling plate 1; the strip-shaped air ports 4 are circumferentially arranged at the lower part of the static pressure box 3 and are arranged in the middle. The air curtain dust separation module is wrapped up around workstation 5 through producing the air curtain, and furred ceiling board 1, air curtain and ground form a relative confined space, separate workstation 5 from the factory building in big space, keep the independence of every station environment and control, reduce the purification load in non-important region simultaneously, have improved welding dirt entrapment efficiency.
Preferably, the air curtain dust separation module further comprises an air curtain air return opening 6, the air curtain air return opening 6 is located on the ground of a working area on the same vertical line with the center of the strip-shaped air opening 4, and the air curtain air return opening 6 is lower than the ground to form an annular groove. The strip-shaped air port 4 sprays air flow, the air curtain return air port 6 discharges air flow, and the air flow and the air curtain wrap the workbench 5 to form an air flow air curtain with four sides perpendicular to the ground under the combined action of the air flow and the air curtain, so that the leakage of welding dust is prevented. The air curtain air return opening 6 is slightly lower than the ground, so that the attenuated air curtain can be timely recovered, the air flow at the lower end of the air curtain is prevented from diffusing to enter a target area, the interference to a flow field of a working area is avoided, and the working efficiency of the whole device is ensured.
Preferably, the air flow speed of the air blown by the blower 2 during operation is at least 2.5 m/s. Meanwhile, when the air curtain dust separation module works, the air flow speed at the air curtain air return inlet 6 is at least 1 m/s. According to the attenuation formula of the axis speed of the plane jet flow, the sealing of the air flow can be ensured at the speed, the welding dust separation effect of the whole device is further enhanced, and the welding dust is controlled in a designated area.
Preferably, the downdraft exhaust module comprises an induced draft fan 9, an exhaust duct 10 and a welding dust exhaust outlet 7, the welding dust exhaust outlet 7 is arranged on the periphery of the worktable 5, the lower part of the welding dust exhaust outlet 7 is communicated with the exhaust duct 10, and the induced draft fan 9 is arranged in the exhaust duct 10. The welding dust is discharged to an underground exhaust pipeline 10 under the negative pressure action of the induced draft fan 9 and then collected to a main pipeline for centralized discharge treatment. Because the density of the welding dust is greater than that of air, the welding dust can be settled to the ground under the action of gravity after being sprayed out in the welding process, and is collected near the ground, so that the retention time of pollutants is reduced. According to the characteristic that the density of the welding dust is larger than that of air, the movement characteristic of sedimentation of the welding dust is fully utilized, and the welding dust is effectively discharged in a downdraft mode.
Preferably, the downdraft exhaust module further comprises a protective net 8, the protective net 8 is arranged on the surface of the welding dust exhaust outlet 7, and the protective net 8 is of a detachable structure. Prevent that article from dropping, make things convenient for exhaust system's cleaning and maintenance simultaneously. The protective net 8 is level with the ground, and does not influence the daily operation of personnel and equipment.
Preferably, when the induced draft fan 9 works, the air flow speed at the welding dust exhaust outlet 7 is at least 1.45 m/s. Under the speed, the air exchange of the primary air curtain separation area can be completed within 30s, and the welding smoke dust is discharged in time, so that the concentration of the welding smoke dust in a workshop is always lower than 4mg/m3And meets the requirements specified in 'hazardous factor occupational exposure limit in industrial places-chemical factor'.
The working process of the modularized air curtain separation downdraft welding smoke dust collecting device in the embodiment comprises the following steps: and when the welding work needs, the air curtain dust separation device and the downdraft exhaust device are started. On one hand, the blower 2 rotates, fresh air is pressurized by the blower 2 and then is sent into the static pressure box 3, and then is downwards sprayed out by the strip-shaped air opening 4 to form a surface type air flow with certain strength; the air flow is discharged through the air curtain return air inlet 6 to form a continuous air flow air curtain to effectively wrap the welding dust in the working area, and the working table 5 is divided into a closed space to preventThe external leakage of the welding dust also reduces the disturbance of external airflow. The downdraft welding dust module works simultaneously, a large amount of welding dust generated by welding is continuously sucked and timely discharged in a downdraft mode under the action of the induced draft fan 9, the welding dust pollution of a working area is effectively removed, and the concentration of the welding dust in the working area is controlled to be 4mg/m specified by a standard3Hereinafter, a good working environment is maintained.
Compared with the prior art, the modularized air curtain separation downdraft welding smoke dust collecting device has the advantages that a closed space is formed in a working area by forming the air curtain, so that the interference of transverse air flow in a workshop is reduced, and the collecting efficiency of welding dust is greatly improved. The downdraft exhaust is adopted to ensure that pollutants are quickly settled, are intensively trapped near the ground and are effectively discharged in time, so that the air quality in the whole area is improved. Meanwhile, the modularized air curtain divides a high and large factory building into small spaces with stations as units, so that the welding dust pollution range is reduced, and unnecessary pollution diffusion is reduced; on the other hand also be convenient for the unitized management of station, each device simple to operate can adjust by oneself according to the actual production situation of station, nimble adaptation operational environment, the assembly type installation of being convenient for.
The embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (8)
1. A modularized air curtain separation downdraft welding smoke dust collecting device is characterized by comprising a workbench (5) positioned in a working area, an air curtain dust separation module and a downdraft exhaust module, wherein the air curtain dust separation module is arranged right above the working area, and the vertical projection of the air curtain dust separation module is superposed with the working area; the downdraft exhaust module is arranged on the ground around the workbench (5); the air curtain dust separation module is used for forming an air curtain to surround the working area; the downdraft exhaust module is used for collecting welding smoke dust.
2. The modular air curtain split downdraft welding fume collection device according to claim 1, wherein said air curtain dust barrier module comprises a drop ceiling panel (1), a blower (2), a plenum box (3) and a strip tuyere (4); the static pressure box (3) is arranged at the lower part of the suspended ceiling top plate (1), and the static pressure box (3) is arranged along the edge of a working area in a contrast manner; the air feeder (2) is arranged on the upper part of the suspended ceiling plate (1); the strip-shaped air ports (4) are circumferentially arranged at the lower part of the static pressure box (3) and are arranged in the middle.
3. The modular air curtain partition downdraft welding fume collecting device according to claim 2, wherein said air curtain dust-proof module further comprises an air curtain air return opening (6), said air curtain air return opening (6) is located on the ground of the working area on the same vertical line with the center of the strip-shaped air opening (4), said air curtain air return opening (6) is lower than the ground to form an annular groove.
4. The modular air curtain split downdraft welding fume collecting device according to claim 3, wherein said blower (2) is operated to emit an air flow having a velocity of at least 2.5 m/s.
5. The modular curtain-divided downdraft welding fume collecting device according to claim 4, wherein said curtain dust barrier module is operative with an air flow velocity at the curtain return air inlet (6) of at least 1 m/s.
6. The modular air curtain separation downdraft welding fume collecting device according to claim 1, wherein the downdraft exhaust module comprises an induced draft fan (9), an exhaust duct (10) and a welding fume exhaust port (7), the welding fume exhaust port (7) is arranged on the surface of the periphery of the workbench (5), the lower portion of the welding fume exhaust port (7) is communicated with the exhaust duct (10), and the induced draft fan (9) is located in the exhaust duct (10).
7. The modular air curtain separation downdraft welding fume collecting device according to claim 6, wherein the downdraft exhaust module further comprises a protective net (8), the protective net (8) is arranged on the surface of the welding fume exhaust opening (7), and the protective net (8) is of a detachable structure.
8. The modular air curtain partition downdraft welding fume collecting device according to claim 1, wherein an air velocity at the welding fume exhaust outlet (7) is at least 1.45m/s when the induced draft fan is operated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999325.0A CN112090912A (en) | 2020-09-22 | 2020-09-22 | Modularized air curtain separation downdraft welding smoke dust collecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010999325.0A CN112090912A (en) | 2020-09-22 | 2020-09-22 | Modularized air curtain separation downdraft welding smoke dust collecting device |
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| CN112090912A true CN112090912A (en) | 2020-12-18 |
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| CN202010999325.0A Pending CN112090912A (en) | 2020-09-22 | 2020-09-22 | Modularized air curtain separation downdraft welding smoke dust collecting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975217A (en) * | 2021-02-05 | 2021-06-18 | 重庆大江国立精密机械制造有限公司 | Dust removal equipment for welding of automobile parts |
| CN113477649A (en) * | 2021-04-29 | 2021-10-08 | 南方环境有限公司 | Workshop welding smoke dust collecting and purifying treatment system |
| CN114274702A (en) * | 2021-11-26 | 2022-04-05 | 重庆市德统家居有限公司 | Wood door carving device |
| WO2023272823A1 (en) * | 2021-06-29 | 2023-01-05 | 南京昱晟机器人科技有限公司 | Purification and dust removal device for industrial robot operation, and purification method thereof |
| TWI794737B (en) * | 2021-02-08 | 2023-03-01 | 睿升科技有限公司 | Method for generating protective air pressure difference with full covered wind outlet device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975217A (en) * | 2021-02-05 | 2021-06-18 | 重庆大江国立精密机械制造有限公司 | Dust removal equipment for welding of automobile parts |
| CN112975217B (en) * | 2021-02-05 | 2023-05-26 | 重庆大江国立精密机械制造有限公司 | Dust collecting equipment for welding automobile spare and accessory parts |
| TWI794737B (en) * | 2021-02-08 | 2023-03-01 | 睿升科技有限公司 | Method for generating protective air pressure difference with full covered wind outlet device |
| CN113477649A (en) * | 2021-04-29 | 2021-10-08 | 南方环境有限公司 | Workshop welding smoke dust collecting and purifying treatment system |
| WO2023272823A1 (en) * | 2021-06-29 | 2023-01-05 | 南京昱晟机器人科技有限公司 | Purification and dust removal device for industrial robot operation, and purification method thereof |
| CN114274702A (en) * | 2021-11-26 | 2022-04-05 | 重庆市德统家居有限公司 | Wood door carving device |
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Application publication date: 20201218 |