Portable smoke dust purification device
By designing a portable fume purification device, utilizing centrifugal fans and multi-layer filtration components, the problem of fume purification in enclosed and large spaces is solved, achieving efficient purification, reducing costs, and protecting the health of workers.
Patent Information
- Application Number
- CN202423029302.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing technologies are ineffective in purifying and collecting fumes generated during welding and grinding in enclosed spaces, confined spaces, and rooms with poor air circulation. Furthermore, they cannot achieve targeted extraction in large rooms, resulting in environmental pollution and low economic efficiency.
A portable smoke and dust purification device is adopted, including a purification cylinder, a suction pipe, a centrifugal fan, and a multi-layer filter assembly. The centrifugal fan draws in smoke and dust, which is then filtered through multiple stages in the filter assembly. Combined with a flame-retardant plastic bamboo-joint tube and a conical suction hood, efficient smoke and dust purification is achieved.
It enables efficient smoke and dust purification in enclosed and large spaces, reduces the cost of temporary ventilation measures, improves purification accuracy, reduces vibration and noise, avoids ground dust, and protects the health of workers.
Smart Images

Figure CN223748168U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of welding and polishing construction smoke purification, especially to a portable smoke purification device. BACKGROUND
[0002] The existing smoke purification and collection of welding and polishing in closed space, limited space, air non-circulation room and other areas mainly adopts the form of temporary exhaust with PVC hose matched with axial flow fan. Due to the fan type, the axial flow fan is difficult to form high negative pressure exhaust of waste gas, and the axial flow fan body does not have the function of filtering and collecting smoke. If the hose is not connected, the waste gas will diffuse in the space. If the hose is connected, the long-distance PVC hose is prone to have no space for setting due to the space occupation problem, or the hose and the hose attachment position product protection are difficult to set.
[0003] For the smoke purification and collection of welding and polishing in air circulation room, large space room and other areas, the form of temporary exhaust with PVC hose matched with axial flow fan is still mainly adopted. This form cannot form fixed-point exhaust, and after purifying and collecting a small part of welding and polishing smoke, most of the smoke escapes to the remaining area of the room, which causes certain environmental impact on the whole space. Therefore, the economy and applicability are low. SUMMARY
[0004] In view of the above problems existing in the existing smoke purification, the present application aims to provide a portable smoke purification device with excellent purification effect and improved health of workers.
[0005] The specific technical scheme is as follows:
[0006] A portable smoke purification device comprises:
[0007] A purification cylinder, which has an inlet at the top and an outlet at the bottom;
[0008] A suction pipe, which is operatively deformed and bent, and one end of the suction pipe is in communication with the inlet;
[0009] A mounting plate, which is mounted in the purification cylinder, and the mounting plate and the top of the purification cylinder form a first cavity in communication with the inlet and a second cavity in communication with the bottom of the purification cylinder, and the mounting plate has a through hole in communication with the first cavity and the second cavity;
[0010] A centrifugal fan, which is arranged in the second cavity, and the air inlet of the centrifugal fan is in communication with the through hole, and the air outlet is in communication with the second cavity;
[0011] A filter assembly is arranged in the first cavity for filtering particulate dust in the exhaust gas entering the first cavity through the inlet.
[0012] As a further improvement and optimization of the present solution, the suction pipe is a bamboo joint pipe made of flame-retardant plastic.
[0013] As a further improvement and optimization of the present solution, the centrifugal fan is installed on the mounting plate, and the top of the centrifugal fan has the air inlet, and the bottom side wall has the air outlet.
[0014] As a further improvement and optimization of the present solution, the other end of the suction pipe is connected with a suction cover in a tapered structure.
[0015] As a further improvement and optimization of the present solution, the filter assembly comprises a first filter layer, a second filter layer, a third filter layer, a fourth filter layer and a fifth filter layer connected in sequence from top to bottom.
[0016] The first filter layer is a stainless steel double-layer mesh plus glass wool.
[0017] The second filter layer is G2 / 10mm filter cotton.
[0018] The third filter layer is medium-efficiency F6 filter cotton.
[0019] The fourth filter layer is G4 / 20mm filter cotton.
[0020] The fifth filter layer is PP / 30mm Hepa folded dense filter cotton.
[0021] As a further improvement and optimization of the present solution, the suction cover is further provided with a stainless steel filter screen for coarsely filtering particulate dust in the exhaust gas.
[0022] As a further improvement and optimization of the present solution, the bottom inner wall of the purification cylinder is provided with a layer of G2 silent cotton.
[0023] As a further improvement and optimization of the present solution, the outlet is provided with a mesh cover.
[0024] As a further improvement and optimization of the present solution, the bottom of the purification cylinder is provided with a plurality of universal wheels.
[0025] As a further improvement and optimization of the present solution, the outer wall of the purification cylinder is provided with a switch button electrically connected with the centrifugal fan for controlling the start and stop of the centrifugal fan.
[0026] The above technical solution has the following positive effects compared with the prior art:
[0027] (1) The utility model discloses a construction point position in the closed space, the limited space, the air not intercommunicating room and the like area can collect the smoke and dust generated from the source of smoke and dust through the smoke and dust purification device, and the purification rate is high, and the temporary exhaust in the form of axial flow fan and PVC hose is avoided in large area, and the cost of temporary exhaust measure is saved.
[0028] (2) The utility model discloses a construction point position in the air intercommunicating room, the large space room and the like area carries out the smoke and dust purification collection point to point, improves the precision of purification collection, reduces the setting of temporary exhaust measure, and reduces the setting cost of temporary exhaust measure.
[0029] (3) The utility model discloses the cotton pad between centrifugal fan and the mounting plate, reduces the vibration generated when centrifugal fan works, and simultaneously adopts full welding process connection between the mounting plate and the purification cylinder, reduces the vibration, and can also consider the mutual sealing property between the first cavity and the second cavity in the device.
[0030] (4) The utility model discloses the air outlet of centrifugal fan is arranged at the bottom side wall of centrifugal fan, does not directly blow the outlet of purification cylinder, avoids the ground dust pollution phenomenon. DRAWINGS
[0031] Figure 1 It is the structure schematic drawing of a portable smoke and dust purification device of the utility model;
[0032] Figure 2 It is the structure schematic drawing of a portable smoke and dust purification device of the utility model;
[0033] Figure 3 It is the internal structure schematic drawing of a portable smoke and dust purification device of the utility model;
[0034] Figure 4 It is the explosion schematic drawing of a portable smoke and dust purification device of the utility model;
[0035] In the drawings, 1, purification cylinder;2, suction pipe;3, mounting plate;4, universal wheel;5, air suction cover;6, buckle structure;7, switch button;8, filter assembly;9, grid cover;10, G2 mute cotton;11, cylinder body;12, top cover;13, bottom cover;14, first cavity;15, second cavity;20, centrifugal fan;31, through -hole;51, stainless steel filter screen;81, first filter layer;82, second filter layer;83, third filter layer;84, fourth filter layer;85, fifth filter layer;121, handle handle. DETAILED DESCRIPTION
[0036] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0037] In the description of the present application, it should be pointed out that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", "third" appear, they are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0038] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0039] Figure 1 is a structural schematic view of a portable smoke dust purification device of the present application, Figure 2 is a structural schematic view of a portable smoke dust purification device of the present application, Figure 3 is a structural schematic view of a portable smoke dust purification device of the present application, Figure 4 is an explosion schematic view of a portable smoke dust purification device of the present application, such as Figures 1-4As shown, a portable smoke dust purification device of a preferred embodiment is shown, comprising a purification cylinder 1, a suction pipe 2, a mounting plate 3, a centrifugal fan 20 and a filter assembly 8, the purification cylinder 1 has an inlet at the top and an outlet at the bottom, the suction pipe 2 is operatively and bendably arranged, and one end of the suction pipe 2 is in communication with the inlet, the mounting plate 3 is installed in the purification cylinder, the mounting plate 3 and the top of the purification cylinder 1 form a first cavity 14 in communication with the inlet, and the mounting plate 3 and the bottom of the purification cylinder 1 form a second cavity 15 in communication with the outlet, the mounting plate 3 has a through hole 31 in communication with the first cavity 14 and the second cavity 15, the centrifugal fan 20 is arranged in the second cavity 15, and the air inlet of the centrifugal fan 20 is in communication with the through hole 31, and the air outlet is in communication with the second cavity 15, and the filter assembly 8 is arranged in the first cavity 14 for filtering particulate dust in the exhaust gas entering the first cavity 14 from the inlet.
[0040] In use, the purification device is moved to the source of smoke dust exhaust gas, one end of the suction pipe 2 is bent and aligned with the source of smoke dust exhaust gas, the centrifugal fan 20 sucks the external smoke dust into the first cavity 14 through the suction pipe 2, and filters the particulate dust in the smoke dust exhaust gas through the filter assembly 8, the purified exhaust gas is discharged into the second cavity 15 by the centrifugal fan 20, and finally discharged to the outside through the outlet.
[0041] In this embodiment, for construction points in enclosed spaces, restricted spaces, air circulation rooms and other areas, the smoke dust purification device can collect the generated smoke dust from the source of smoke dust generation, has high purification rate, avoids temporary exhaust in the form of axial flow fan and PVC hose, and saves the cost of temporary exhaust measures.
[0042] For construction points in air circulation rooms, large space rooms and other areas, the smoke dust purification device collects the smoke dust point by point, improves the accuracy of purification and collection, reduces the setting of temporary exhaust measures, and reduces the cost of setting temporary exhaust measures.
[0043] Further, as a preferred embodiment, the suction pipe 2 is a bamboo joint pipe made of flame-retardant plastic.
[0044] Further, as a preferred embodiment, the centrifugal fan 20 is installed on the mounting plate 3, and the top of the centrifugal fan 20 has an air inlet, and the side wall of the bottom has an air outlet.
[0045] More preferably, a cotton pad is arranged between the centrifugal fan 20 and the mounting plate 3 to reduce the vibration generated when the centrifugal fan 20 works, and the mounting plate 3 and the purification cylinder 1 are connected by full welding process, and the welding angle height is not less than 1.5 mm; while reducing vibration, the sealing between the first cavity 14 and the second cavity 15 in the device is also considered.
[0046] The air outlet of the centrifugal fan 20 in this embodiment is arranged at the bottom side wall of the centrifugal fan 20, and is not directly opposite to the outlet of the purification cylinder 1, so as to avoid the ground dust pollution phenomenon.
[0047] Further, as a preferred embodiment, the other end of the suction pipe 2 is connected with a suction cover 5 in a conical structure.
[0048] Further, as a preferred embodiment, the filter assembly 8 comprises a first filter layer 81, a second filter layer 82, a third filter layer 83, a fourth filter layer 84 and a fifth filter layer 85 connected in sequence from top to bottom.
[0049] The first filter layer 81 is stainless steel double-layer mesh plus glass wool; in an embodiment, the glass wool can be laid on the surface of the stainless steel double-layer mesh.
[0050] The second filter layer 82 is G2 / 10mm filter cotton.
[0051] The third filter layer 83 is medium-efficiency F6 filter cotton.
[0052] The fourth filter layer 84 is G4 / 20mm filter cotton.
[0053] The fifth filter layer 85 is PP / 30mm Hepa folded filter cotton.
[0054] In an embodiment, the filter cotton of the second filter layer 82, the third filter layer 83, the fourth filter layer 84 and the fifth filter layer 85 can be single-layer filter cotton or multi-layer filter cotton.
[0055] In this embodiment, the first filter layer 81 is stainless steel double-layer mesh plus glass wool, which prevents the welding tin sparks from being sucked into the barrel and causing the filter cotton to burn out.
[0056] Further, as a preferred embodiment, the suction cover 5 is further provided with a stainless steel filter screen 51 for coarsely filtering the particulate dust in the exhaust gas.
[0057] Further, as a preferred embodiment, the inner wall of the bottom of the purification cylinder 1 is provided with a layer of G2 noise-reducing cotton 10 for reducing noise and further preventing dust raising, which is beneficial to protecting the health of the operating personnel.
[0058] Further, as a preferred embodiment, the outlet is provided with a grid cover 9.
[0059] Further, as a preferred embodiment, in order to meet the requirements of single-person portable carrying in a small space, the bottom of the purification cylinder 1 is provided with a plurality of universal wheels 4.
[0060] Further, as a preferred embodiment, the outer wall of the purification cylinder 1 has an on-off button 7, which is electrically connected with the centrifugal fan 20, for controlling the start and stop of the centrifugal fan 20.
[0061] The utility model has the following implementation manners on the basis of the above:
[0062] The purification cylinder 1 comprises a cylinder body 11 with openings at the top and bottom, a top cover 12 arranged at the top opening of the cylinder body 11, and a bottom cover 13 arranged at the bottom opening of the cylinder body 11, and the top cover 12 and the cylinder body 11 are detachably connected through the snap structure 6, and the bottom cover 13 and the cylinder body 11 are detachably connected through screws, the device is modularly and detachably connected, and all components including the centrifugal fan 20 can be quickly disassembled and assembled, so that the filter assembly 8 can be easily replaced and the fan can be easily maintained.
[0063] The side wall of the purification cylinder 1 has a threading hole for connecting the centrifugal fan 20 with an external power cord, and the side wall of the purification cylinder 1 is further provided with a power cord hook.
[0064] The top of the purification cylinder 1 is provided with a handle 121.
[0065] The above description is only a preferred embodiment of the utility model, and does not limit the implementation manners and protection scope of the utility model. Those skilled in the art should realize that any equivalent replacement and obvious change based on the description and drawings of the utility model should be included in the protection scope of the utility model.
Claims
1. A portable smoke purifier characterized by comprising: The utility model relates to a kind of exhaust gas purification device, including: Purification cylinder, the top of the purification cylinder has import, bottom has export; Suction pipe, the suction pipe is operatively deformed and bent, and one end of the suction pipe is communicated with the import; Mounting plate, the mounting plate is installed in the purification cylinder, the mounting plate in the purification cylinder is formed with the first cavity communicated with the import between the top of the purification cylinder, and the second cavity communicated with the bottom of the purification cylinder, the mounting plate has through-hole communicated first cavity and the second cavity; Centrifugal fan, the centrifugal fan is arranged in the second cavity, and the air inlet of the centrifugal fan is communicated with the through-hole, and the air outlet is communicated with the second cavity; Filtering assembly, the filtering assembly is arranged in the first cavity, for filtering the particulate dust in exhaust gas entering the first cavity by the import.
2. The portable smoke purifier of claim 1, wherein The suction pipe is a bamboo joint pipe made of flame-retardant plastic.
3. The portable smoke purifier of claim 1, wherein The centrifugal fan is mounted on the mounting plate, and the top of the centrifugal fan has the air inlet, and the bottom side wall has the air outlet.
4. The portable smoke purifier of claim 2, wherein The other end of the suction pipe is connected with a suction cover in a tapered structure.
5. The portable smoke purifier according to any one of claims 1 to 4, wherein The filtering assembly includes: first filter layer, second filter layer, third filter layer, fourth filter layer and fifth filter layer connected in turn from top to bottom. The first filter layer is stainless steel double-layer net plus glass wool. The second filter layer is G2 / 10mm filter cotton. The third filter layer is medium-efficiency F6 filter cotton. The fourth filter layer is G4 / 20mm filter cotton. The fifth filter layer is PP / 30mm Hepa folded dense filter cotton.
6. The portable smoke purifier of claim 4, wherein The suction cover is also provided with a stainless steel filter screen for rough filtering particulate dust in exhaust gas.
7. The portable smoke purifier of claim 1, wherein The bottom inner wall of the purification cylinder is provided with a layer of G2 noise-reducing cotton.
8. The portable smoke purifier of claim 1, wherein The outlet is provided with a mesh cover.
9. The portable smoke purifier of claim 1, wherein The bottom of the purification cylinder is provided with a plurality of universal wheels.
10. The portable smoke purifier of claim 1, wherein The outer wall of the purification cylinder is provided with an on-off button, which is electrically connected with the centrifugal fan, for controlling the start and stop of the centrifugal fan.