CN111617591A - Powder metallurgy's dust removal dust fall structure - Google Patents
Powder metallurgy's dust removal dust fall structure Download PDFInfo
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- CN111617591A CN111617591A CN202010664805.1A CN202010664805A CN111617591A CN 111617591 A CN111617591 A CN 111617591A CN 202010664805 A CN202010664805 A CN 202010664805A CN 111617591 A CN111617591 A CN 111617591A
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- dust
- outer cylinder
- cylinder body
- powder metallurgy
- closed space
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention is suitable for the technical field of dust-containing air treatment, and provides a dust removing and reducing structure for powder metallurgy, which comprises an outer cylinder body, sealing plates, rotating shafts and an air inlet cylinder, wherein the rotating shaft which is coaxial with the outer cylinder body is arranged in the outer cylinder body, the outer circumference of the rotating shaft is fixedly provided with a plurality of sealing plates at equal intervals, two adjacent sealing plates and the inner wall of the outer cylinder body form a closed space, the air inlet cylinder is also connected in the tangential direction of the outer cylinder body and used for outputting dust-containing air to the closed space in sequence, a plurality of dust blocking plates with staggered positions are arranged in each closed space, the end part of the rotating shaft is connected with a negative pressure pipe through a rotary ventilation joint, and the position of the rotating shaft corresponding to each closed space is provided with a negative pressure hole: the plurality of dust blocking plates staggered in position form a zigzag flow channel, so that the flow velocity of dust-containing air is slowed down, settled metal dust and the like are trapped in a closed space, and the settled metal dust is prevented from entering the negative pressure hole.
Description
Technical Field
The invention relates to the technical field of dust-containing air treatment, in particular to a dust removing and settling structure for powder metallurgy.
Background
Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. In the process of manufacturing metal by powder metallurgy, a large amount of metal dust can be generated, so that not only can resources be wasted, but also when air containing the metal dust is sucked, huge damage can be caused to a human body.
Based on this, this application has proposed a powder metallurgy's dust removal dust fall structure.
Disclosure of Invention
The embodiment of the invention aims to provide a dust removing and settling structure for powder metallurgy, and aims to solve the technical problem in the background technology.
The embodiment of the invention is realized in such a way that the dust removing and reducing structure for powder metallurgy comprises an outer cylinder body, sealing plates, rotating shafts and an air inlet cylinder, wherein the rotating shaft which is coaxial with the outer cylinder body is arranged in the outer cylinder body, the outer circumference of the rotating shaft is fixedly provided with the plurality of sealing plates at equal intervals, the adjacent two sealing plates and the inner wall of the outer cylinder body form a closed space, the air inlet cylinder is further connected in the tangential direction of the outer cylinder body and used for outputting dust-containing air to the closed space in sequence, a plurality of dust blocking plates which are staggered in position are arranged in each closed space, the rotating shafts are arranged in a hollow mode, the end parts of the rotating shafts are connected with a negative pressure pipe through rotary ventilation joints, and negative pressure holes are formed in the positions.
As a further scheme of the invention: the dust baffles are movably arranged on the sealing plate, so that a channel for air circulation is formed between every two adjacent dust baffles when the corresponding closed space is in an ascending state, and the two adjacent dust baffles are contacted with each other to seal the channel when the corresponding closed space is in a descending state.
As a still further scheme of the invention: a plurality of protruding heads are arranged on one side of the dust blocking plate, mounting holes are formed in the positions, corresponding to the protruding heads, of the sealing plate, and the protruding heads are hinged to the pin shaft holes in the side walls of the mounting holes.
As a still further scheme of the invention: the outer barrel comprises end plates, arc-shaped connecting plates and an opening door, the two end plates are fixedly connected through the arc-shaped connecting plates, and the opening door is hinged in a gap between every two adjacent arc-shaped connecting plates.
As a still further scheme of the invention: the outer cylinder body is fixed on the support through the support.
As a still further scheme of the invention: still install the cartridge filter of being connected with the negative pressure pipe on the support, the quantity of cartridge filter is a plurality of, and is a plurality of the cartridge filter is established ties in proper order, is in the final stage be connected with the outlet duct on the cartridge filter.
As a still further scheme of the invention: the sealing plate comprises a fixed plate, a movable plate and springs, the fixed plate is fixedly connected with the rotating shaft, the head end of the fixed plate is in plug-in fit with the movable plate, and a plurality of springs are further arranged between the fixed plate and the movable plate.
Compared with the prior art, the invention has the beneficial effects that: the crisscross a plurality of dust boards in position form tortuous flow path, in the motion process, dirty air velocity of flow slows down, metal dust that subsides etc. are held back in airtight space, simultaneously the dust board movable mounting is on the closing plate, when airtight space moves from the minimum position upwards, the passageway is in open condition this moment, can flow out from the negative pressure hole in the dusty air subsides, when airtight space moves down from the maximum position, under the action of gravity, a plurality of dust boards contact each other, the passageway is in closed condition this moment, prevent that the metal dust that has subsided from entering into the negative pressure hole, later rethread multistage series connection's cartridge filter is to the tiny particle powder such as dust that does not subside.
Drawings
Fig. 1 is a schematic structural diagram of a dust removing and settling structure for powder metallurgy.
Fig. 2 is a schematic structural diagram of a dust baffle in a dust removing and settling structure of powder metallurgy.
Fig. 3 is a schematic structural diagram of a negative pressure pipe in a dust removing and settling structure for powder metallurgy.
Fig. 4 is a schematic structural diagram of an outer cylinder in a dust removing and settling structure of powder metallurgy.
Fig. 5 is a schematic structural diagram of a sealing plate in a dust removing and settling structure of powder metallurgy.
In the drawings: 1-outer cylinder, 101-end plate, 102-arc connecting plate, 103-opening door, 2-sealing plate, 201-fixing plate, 202-movable plate, 203-spring, 3-closed space, 4-negative pressure hole, 5-rotating shaft, 6-rotary ventilation joint, 7-negative pressure pipe, 8-support, 9-air inlet cylinder, 10-support, 11-filter cylinder, 12-air outlet pipe, 13-dust board, 14-mounting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of a dust removing and settling structure for powder metallurgy according to an embodiment of the present invention includes an outer cylinder 1, sealing plates 2, a rotating shaft 5 and an air inlet cylinder 9, the outer cylinder 1 is internally provided with the rotating shaft 5 coaxially disposed therewith, the outer circumference of the rotating shaft 5 is fixed with a plurality of sealing plates 2 at equal intervals, two adjacent sealing plates 2 and the inner wall of the outer cylinder 1 form a closed space 3, the air inlet cylinder 9 is further connected to the outer cylinder 1 in a tangential direction for sequentially outputting dust-containing air to the closed space 3, each closed space 3 is internally provided with a plurality of dust blocking plates 13 at staggered positions, the rotating shaft 5 is hollow, an end of the rotating shaft is connected to a negative pressure pipe 7 through a rotary air joint 6, and a negative pressure hole 4 is formed at a position of the rotating shaft 5 corresponding to each closed space 3.
In the embodiment of the invention, when dust-containing air enters the closed space 3 through the air inlet cylinder 9, the dust-containing air moves towards the negative pressure holes 4 under the action of negative pressure, and the plurality of dust blocking plates 13 staggered in position form a zigzag flow channel, so that the flow rate of the dust-containing air is reduced in the moving process, settled metal dust and the like are trapped in the closed space 3, the rotating shaft 5 can be connected with external rotating power to realize low-speed uniform rotation, and when the closed space 3 moves to the air inlet cylinder 9, the dust-containing air enters the corresponding closed space 3.
As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the dust-blocking plates 13 are movably mounted on the sealing plate 2, so that when the corresponding enclosed space 3 is in an upward state, a passage for air circulation is formed between two adjacent dust-blocking plates 13, and when the corresponding enclosed space 3 is in a downward state, two adjacent dust-blocking plates 13 are in contact with each other, so that the passage is closed.
Because the closed space 3 rotates along with the rotating shaft 5, in order to prevent settled metal dust from entering the negative pressure hole 4 to block the negative pressure hole 4 in the rotating process, the dust baffle plate 13 is movably arranged on the sealing plate 2, when the closed space 3 moves upwards from the lowest point position, the channel is in an open state, dust-containing air can flow out from the negative pressure hole 4 during settling, when the closed space 3 moves downwards from the highest point position, the dust baffle plates 13 are contacted with each other under the action of gravity, and the channel is in a closed state at the moment, so that the settled metal dust is prevented from entering the negative pressure hole 4.
As shown in fig. 2, as another preferred embodiment of the present invention, a plurality of protruding heads are provided at one side of the dust guard 13, a mounting hole 14 is provided at a position of the sealing plate 2 corresponding to each protruding head, and the protruding heads are hingedly mounted in pin shaft holes at the side walls of the mounting holes 14.
In this embodiment, the installation hole should be relatively large, a space is reserved for the movement of the dust guard 13, and the limit of the dust guard 13 is limited by the hole wall of the installation hole.
As shown in fig. 4, as another preferred embodiment of the present invention, the outer cylinder 1 includes end plates 101, arc-shaped connecting plates 102, and an opening door 103, wherein two of the end plates 101 are fixedly connected by a plurality of arc-shaped connecting plates 102, and the opening door 103 is hinged in a gap between two adjacent arc-shaped connecting plates 102.
In the embodiment of the invention, the door 103 can be opened, so that dust in the closed space 3 can be cleaned intensively.
As shown in fig. 1, as another preferred embodiment of the present invention, the outer cylinder 1 is fixed to a bracket 10 by a support 8.
As shown in fig. 1, as another preferred embodiment of the present invention, a plurality of filter cartridges 11 connected to the negative pressure pipe 7 are further installed on the support 10, the plurality of filter cartridges 11 are connected in series, and an outlet pipe 12 is connected to the filter cartridge 11 at the final stage.
In the embodiment of the present invention, the filter cartridge 11 is provided with a filter element therein, so that the filter treatment can be performed on the non-settled dust and other small particle powder, and the filter cartridges 11 connected in series can further ensure the filter effect, so that the treated dust-containing air can reach the normal discharge standard and is discharged through the air outlet pipe 12.
As shown in fig. 5, as another preferred embodiment of the present invention, the sealing plate 2 includes a fixed plate 201, a movable plate 202 and springs 303, the fixed plate 201 is fixedly connected to the rotating shaft 5, a head end of the fixed plate 201 is inserted into and matched with the movable plate 202, and a plurality of springs 303 are further disposed between the fixed plate 201 and the movable plate 202.
In the embodiment of the present invention, because the sealed space 3 needs to ensure the sealing performance, and the inner walls of the sealing plate 2 and the outer cylinder 1 are abraded due to friction, the movable plate 202 can compensate for the abrasion under the action of the spring 303 to ensure the sealing performance, and preferably, the head end of the movable plate 202 can be made of a material such as rubber.
The embodiment of the invention discloses a dust removing and reducing structure for powder metallurgy, wherein a plurality of dust blocking plates 13 staggered in position form a zigzag flow channel, in the moving process, the flow velocity of dust-containing air is slowed down, settled metal dust and the like are blocked in a closed space 3, meanwhile, the dust blocking plates 13 are movably arranged on a sealing plate 2, when the closed space 3 moves upwards from the lowest point position, the channel is in an open state, the dust-containing air can flow out from a negative pressure hole 4 during settlement, when the closed space 3 moves downwards from the highest point position, the dust blocking plates 13 are contacted with each other under the action of gravity, the channel is in a closed state at this time, the settled metal dust is prevented from entering the negative pressure hole 4, and then, the fine particle powder such as the unsettled dust and the like is filtered by a multistage series-connected filter cylinder 11.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A dust removing and falling structure for powder metallurgy comprises an outer cylinder body (1), a sealing plate (2), a rotating shaft (5) and an air inlet cylinder (9), it is characterized in that a rotating shaft (5) which is coaxial with the outer cylinder body (1) is arranged in the outer cylinder body (1), a plurality of sealing plates (2) are fixed on the outer circumference of the rotating shaft (5) at equal intervals, a closed space (3) is formed by two adjacent sealing plates (2) and the inner wall of the outer cylinder body (1), an air inlet cylinder (9) is also connected in the tangential direction of the outer cylinder body (1), be used for in proper order to airtight space (3) output dusty air, every all be equipped with a plurality of dust boards (13) of position interlock in airtight space (3), pivot (5) cavity sets up, and the tip of pivot is passed through rotary ventilation joint (6) and is connected with negative pressure pipe (7), and pivot (5) correspond every negative pressure hole (4) have all been seted up to the position department of airtight space (3).
2. A dust removing and reducing structure for powder metallurgy according to claim 1, wherein the dust baffles (13) are movably mounted on the sealing plate (2), so that when the corresponding closed space (3) is in an upward state, a passage for air circulation is formed between two adjacent dust baffles (13), and when the corresponding closed space (3) is in a downward state, two adjacent dust baffles (13) are in contact with each other to close the passage.
3. The dust removing and reducing structure for powder metallurgy according to claim 2, wherein a plurality of protruding heads are arranged at one side of the dust blocking plate (13), a mounting hole (14) is arranged at the position of the sealing plate (2) corresponding to each protruding head, and the protruding heads are hinged and mounted in pin shaft holes at the side walls of the mounting holes (14).
4. The dust removing and reducing structure for powder metallurgy according to claim 1, 2 or 3, wherein the outer cylinder body (1) comprises end plates (101), arc-shaped connecting plates (102) and opening doors (103), the two end plates (101) are fixedly connected through the arc-shaped connecting plates (102), and the opening doors (103) are hinged in gaps between two adjacent arc-shaped connecting plates (102).
5. A dust-collecting and dust-reducing structure for powder metallurgy according to claim 4, wherein the outer cylinder (1) is fixed on the bracket (10) through a support (8).
6. A dust removing and reducing structure for powder metallurgy according to claim 5, wherein the support (10) is further provided with a plurality of filter cartridges (11) connected with the negative pressure pipe (7), the number of the filter cartridges (11) is multiple, the filter cartridges (11) are sequentially connected in series, and the filter cartridge (11) at the last stage is connected with an air outlet pipe (12).
7. The dust removing and settling structure for powder metallurgy according to claim 1, wherein the sealing plate (2) comprises a fixed plate (201), a movable plate (202) and springs (303), the fixed plate (201) is fixedly connected with the rotating shaft (5), the head end of the fixed plate (201) is in plug fit with the movable plate (202), and a plurality of springs (303) are further arranged between the fixed plate (201) and the movable plate (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664805.1A CN111617591A (en) | 2020-07-10 | 2020-07-10 | Powder metallurgy's dust removal dust fall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664805.1A CN111617591A (en) | 2020-07-10 | 2020-07-10 | Powder metallurgy's dust removal dust fall structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111617591A true CN111617591A (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010664805.1A Withdrawn CN111617591A (en) | 2020-07-10 | 2020-07-10 | Powder metallurgy's dust removal dust fall structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111617591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115400585A (en) * | 2022-09-27 | 2022-11-29 | 卢晓波 | Photocatalyst ion air filter |
-
2020
- 2020-07-10 CN CN202010664805.1A patent/CN111617591A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115400585A (en) * | 2022-09-27 | 2022-11-29 | 卢晓波 | Photocatalyst ion air filter |
| CN115400585B (en) * | 2022-09-27 | 2024-04-09 | 卢晓波 | Photocatalyst ion air filter |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200904 |
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| WW01 | Invention patent application withdrawn after publication |