CN219615184U - Dry powder paint mist filter and dry powder paint mist trapping and filtering device - Google Patents
Dry powder paint mist filter and dry powder paint mist trapping and filtering device Download PDFInfo
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- CN219615184U CN219615184U CN202320387705.8U CN202320387705U CN219615184U CN 219615184 U CN219615184 U CN 219615184U CN 202320387705 U CN202320387705 U CN 202320387705U CN 219615184 U CN219615184 U CN 219615184U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model relates to a dry powder paint mist filter and a dry powder paint mist trapping and filtering device, which comprise a box body, a baffle assembly and a filtering assembly, wherein the baffle assembly comprises an air inlet baffle and an air outlet baffle, an air inlet is formed in the air inlet baffle, and an air outlet is formed in the air outlet baffle; the filter assembly comprises an air inlet side air distribution plate, a separating plate and an air outlet side air distribution plate, wherein the separating plate is arranged between the air inlet side air distribution plate and the air outlet side air distribution plate, the two air inlet side air distribution plates are oppositely arranged, an air inlet channel is arranged between the two adjacent air inlet side air distribution plates and communicated with the air inlet, an air outlet channel is arranged between the two adjacent air outlet side air distribution plates and communicated with the air outlet, and a filter pore channel is formed among the air inlet side air distribution plate, the separating plate and the air outlet side air distribution plate. The utility model has low cost and high filtering efficiency, and the practical application effect can greatly reduce the discharge amount of the dry powder overspray fog of various dry paint spray booths, thereby realizing green production.
Description
Technical Field
The utility model relates to the technical field of paint mist treatment, in particular to a dry powder paint mist filter and a dry powder paint mist trapping and filtering device.
Background
In the field of modern industrial production, such as automobile manufacturing industry, furniture manufacturing industry, home appliance manufacturing industry, various industrial equipment manufacturing industry, etc., various paint spraying processes are widely applied in order to realize corrosion protection of metals or to make various products have beautiful appearance and bright and clean surface molding quality characteristics.
The effective adhesion utilization rate of the paint is generally only 30% -60% due to the limitation of the physical characteristics of the paint spraying process, which means that the paint with the total consumption of 40% -70% cannot be effectively adhered to a workpiece, and the paint becomes overspray fog to be dispersed into a paint spray booth. Through the exhaust hood arranged near the paint spraying station, the overspray fog dispersed in the air can be collected into the exhaust system of the paint spraying room, and the smoke and exhaust gas of the workshop exhaust system carrying a large amount of overspray fog can be continuously sent to the downstream organic exhaust gas concentration and removal process only through the treatment of the paint fog filtering system, and can be allowed to be discharged into the atmosphere after reaching the environmental protection emission standard, or can be directly returned to the paint spraying room for old wind reuse, so that the energy consumption of an air conditioner is greatly saved.
The overspray fog generated by the paint spraying station also has different existing forms due to different paint types adopted in the paint spraying procedure. The actual existence forms of the overspray paint mist are classified into the following three types: undried overspray mist, liquid overspray mist and solid overspray mist. Wherein, the solid overspray paint mist contains a large amount of PM2.5 dry powder solid paint mist dust, such as double-component epoxy paint, polyester paint, polyurethane paint and the like.
Regarding the industrial production technology of the present human beings, the industrial technology for removing a large amount of PM2.5 dry powder solid paint mist dust contained in an exhaust system of a dry paint spray booth mainly comprises the following three types: wet dust removal, electrostatic dust removal and dry dust removal. However, wet dust removal consumes a large amount of water resources, and generates a large amount of sewage which is difficult to treat, thereby causing serious secondary pollution; the electrostatic dust collection efficiency is high, but the device is complex, the investment is huge, and the electrostatic dust collection device cannot be used in dust collection occasions containing a large amount of organic combustible gas (such as an exhaust system of a dry paint spray booth contains a large amount of combustible organic gas, and dry dust collectors such as cyclone dust collectors, bag dust collectors and the like, can not be used for filtering and removing a large amount of PM2.5 dry powder solid paint mist dust in the exhaust system of the dry paint spray booth because the dust collectors must work under larger wind speed and wind pressure, and the dust can easily escape from the dust collectors.
Disclosure of Invention
Therefore, the utility model aims to overcome the defects of high cost, poor usability and the like of solid overspray fog containing a large amount of PM2.5 dry powder solid paint fog dust in the prior art by wet dust removal, electrostatic dust removal and dry dust remover methods.
In order to solve the technical problems, the utility model provides a dry powder paint mist filter, which comprises a box body;
the baffle assembly comprises an air inlet baffle and an air outlet baffle, the air inlet baffle is arranged on one side in the box body, the air outlet baffle is arranged on the other side in the box body, a plurality of air inlets are formed in the air inlet baffle, and a plurality of air outlets are formed in the air outlet baffle;
the filter components are arranged between the air inlet baffle plates and the air outlet baffle plates, each filter component comprises an air inlet side air distribution plate, a separating plate and an air outlet side air distribution plate, the separating plate is arranged between the air inlet side air distribution plate and the air outlet side air distribution plate, the air inlet side air distribution plates corresponding to the two filter components are oppositely arranged, an air inlet channel is arranged between the adjacent two air inlet side air distribution plates, the air inlet channel is communicated with the air inlet, an air outlet channel is arranged between the adjacent two air outlet side air distribution plates, the air outlet channel is communicated with the air outlet, and a plurality of filtering pore channels are formed among the air inlet side air distribution plates, the separating plate and the air outlet side air distribution plates.
In one embodiment of the present utility model, the separation plate is provided with a plurality of hexagonal honeycomb cells in an array, and a plurality of the hexagonal honeycomb cells are staggered.
In one embodiment of the present utility model, an air inlet hole is formed in the air inlet side air distribution plate, an air outlet hole is formed in the air outlet side air distribution plate, the air inlet hole is located below the hexagonal honeycomb duct, the air outlet hole is located above the hexagonal honeycomb duct, and the air inlet hole, the hexagonal honeycomb duct and the air outlet hole form the filtering duct.
In one embodiment of the present utility model, the air inlet and the air outlet are both trapezoidal.
In one embodiment of the present utility model, a filter element is disposed between adjacent air outlet side air distribution plates.
In one embodiment of the utility model, the filter element is a 3D collodion body.
In one embodiment of the utility model, the air inlet baffle is provided with a plurality of first positioning pieces, the air outlet baffle is provided with a second positioning piece, and the first positioning pieces and the second positioning pieces are matched and arranged to position the filter assembly.
In one embodiment of the utility model, a humidification atomizer is mounted on the side of the air intake baffle.
In one embodiment of the utility model, the box body is a rectangular corrugated box, and the air inlet baffle and the air outlet baffle are sheet metal parts or injection molding parts.
A dry powder paint mist trapping and filtering device comprises a plurality of dry powder paint mist filters according to any one of the above embodiments, wherein a plurality of dry powder paint mist filters are arranged in parallel to form a dry powder paint mist trapping and filtering system of a certain level, and a plurality of dry powder paint mist trapping and filtering systems of different specifications are arranged in series to form a multi-level dry powder paint mist trapping and filtering device.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the dry powder paint mist filter and the dry powder paint mist trapping and filtering device, the air inlet side air distribution plate, the separating plate and the air outlet side air distribution plate form the filtering assembly together, a plurality of filtering pore channels are formed, the filtering assembly is arranged between the air inlet baffle and the air outlet baffle, and the air inlet and the air outlet are arranged in a staggered mode. Industrial polluted air containing a large amount of dry powder-like solid paint mist dust is sent into an air inlet channel through an air inlet of an air inlet baffle, enters a separating plate along an air inlet side air distribution plate of a plurality of filtering pore channels, namely, is separated by micro cyclone, captures a large amount of dry powder paint mist carried in the air into the separating plate, is discharged from an air outlet side air distribution plate along the tangential direction, and is immediately collected into an air outlet channel, so that the dry powder paint mist is filtered and removed. The device has low production cost and high filtering efficiency, and the practical application effect can greatly reduce the discharge amount of the dry powder overspray fog of various dry paint spray booths, thereby realizing green production.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which:
FIG. 1 is a schematic perspective view of a dry powder paint mist filter of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of a dry powder paint mist filter of the present utility model;
FIG. 3 is another angular schematic view of a portion of the structure of a dry powder paint mist filter of the present utility model;
FIG. 4 is an exploded view of the filter assembly of the dry powder paint mist filter of the present utility model;
FIG. 5 is a schematic view of the baffle assembly of the dry powder paint mist filter of the present utility model;
description of the specification reference numerals: 1. a case; 2. a baffle assembly; 21. an air inlet baffle; 211. a first positioning member; 212. an air inlet; 22. an air outlet baffle; 221. a second positioning member; 222. an air outlet; 3. a filter assembly; 31. an air inlet side air distribution plate; 311. an air inlet hole; 312. an air inlet channel; 32. a separation plate; 321. hexagonal honeycomb duct; 33. air distribution plate at air outlet side; 331. an air outlet hole; 332. an air outlet channel; 34. a filter element.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1-5, the utility model provides a dry powder paint mist filter, which comprises a box body 1, a baffle plate assembly 2 and a filtering assembly 3, wherein the baffle plate assembly 2 comprises an air inlet baffle plate 21 and an air outlet baffle plate 22, the air inlet baffle plate 21 is arranged on one side in the box body 1, the air outlet baffle plate 22 is arranged on the other side in the box body 1, a plurality of air inlets 212 are arranged on the air inlet baffle plate 21, and a plurality of air outlets 222 are arranged on the air outlet baffle plate 22; the plurality of filter components 3 are arranged between the air inlet baffle 21 and the air outlet baffle 22, the filter components 3 comprise an air inlet side air distribution plate 31, a separating plate 32 and an air outlet side air distribution plate 33, the separating plate 32 is arranged between the air inlet side air distribution plate 31 and the air outlet side air distribution plate 33, the air inlet side air distribution plates 31 corresponding to the two filter components 3 are oppositely arranged, an air inlet channel 312 is arranged between two adjacent air inlet side air distribution plates 31, the air inlet channel 312 is communicated with the air inlet 212, an air outlet channel 332 is arranged between two adjacent air outlet side air distribution plates 33, the air outlet channel 332 is communicated with the air outlet 222, and a plurality of filter pore channels are formed among the air inlet side air distribution plates 31, the separating plate 32 and the air outlet side air distribution plate 33.
The filter forms a filter assembly 3 together through an air inlet side air distribution plate 31, a separating plate 32 and an air outlet side air distribution plate 33, and forms a plurality of filter pore canals, the filter assembly 3 is arranged between an air inlet baffle 21 and an air outlet baffle 22, and an air inlet 212 and an air outlet 222 are arranged in a staggered manner. Industrial polluted air containing a large amount of dry powder-like solid paint mist dust is sent into the air inlet channel 312 through the air inlet 212 of the air inlet baffle 21, enters the separating plate 32 along the air inlet side air distribution plate 31 of a plurality of filtering pore canals, namely, is subjected to micro cyclone separation, captures a large amount of dry powder paint mist carried in the air into the separating plate 32, is discharged from the air outlet side air distribution plate 33 along the tangential direction, and is immediately collected into the air outlet channel 332, so that the dry powder paint mist is filtered and removed. The device has low production cost and high filtering efficiency, and the practical application effect can greatly reduce the discharge amount of the dry powder overspray fog of various dry paint spray booths, thereby realizing green production.
Specifically, a plurality of hexagonal honeycomb channels 321 are arranged on the separating plate 32 in an array, and the plurality of hexagonal honeycomb channels 321 are staggered, so that a large amount of dry powder paint mist enters the filter assembly 3 for capturing.
Wherein, be provided with the fresh air inlet 311 on the fresh air inlet side air distribution board 31, be provided with the fresh air outlet 331 on the fresh air outlet side air distribution board 33, the fresh air inlet 311 is located the below of hexagonal honeycomb duct 321, and the fresh air outlet 331 is located the top of hexagonal honeycomb duct 321, and fresh air inlet 311, hexagonal honeycomb duct 321 and fresh air outlet 331 form the filtration pore. I.e. the air inlet 311 is lower than the air outlet 331, so that each duct can be better separated from the dry powder paint mist.
Further, corresponding to the hexagonal honeycomb duct 321, the air inlet 311 and the air outlet 331 are both trapezoidal, so that the dry powder paint mist can enter tangentially. Therefore, innumerable tiny cyclone separators are formed in the paint mist filter, the airflow path is long, the flow speed is low, and therefore the dry powder overspray mist has high trapping efficiency. In addition, various specific working conditions of various dry paint spray booths are tested through experiments, and the hexagonal honeycomb aperture size and the hexagonal channel length specification are flexibly configured so as to achieve the optimal filtering efficiency.
Any novel paint mist filter realized by the technical construction principle described above is possible by using a hexagonal honeycomb paper core plate for the separating plate 32 or any other paper core plate with array distributed pore canal for the separating plate, and cutting the filter assembly 3 made of the blanking material according to the preset coordinate position.
In the present embodiment, the filter element 34 is provided between the adjacent air outlet side air distribution plates 33, that is, the filter element 34 is mounted on the air outlet passage 332. The filter is generally used in a final-stage fine filter of a two-stage or multi-stage series filter, large-scale dry powder paint mist particles are removed by the filter assembly 3, and solid paint mist dust in the form of PM2.5 dry powder escaping from the filter assembly 3 is further removed by the filter element 34, so that strict environmental protection emission standards are ensured to be met, and a large amount of recycling of air is realized.
Preferably, the filter element 34 is a 3D glue-spraying cotton body, or two layers of non-woven fabrics are selected, and the collection efficiency of tiny dry powder paint mist dust is further enhanced by adding one layer of 3D glue-spraying cotton body composite filter element 34. In this embodiment, the air inlet baffle 21 is provided with a plurality of first positioning members 211, the air outlet baffle 22 is provided with a second positioning member 221, and the first positioning members 211 and the second positioning members 221 are cooperatively arranged to position the filter assembly 3, so that the filter element is convenient to stably assemble in the box 1.
Further, a humidifying atomizer or inorganic hardening agent spray is installed at a side close to the air inlet baffle 21. When the paint mist filter is used for capturing PM2.5 dry powder paint mist dust, a certain amount of water mist or inorganic hardening agent spray can be intermittently and automatically added before the air inlet 212 according to different working conditions, so that the capturing efficiency of the filter to PM2.5 dry powder paint mist dust is further improved, the durability of the filter is obviously improved, and the replacement period of the filter is greatly prolonged.
Therefore, according to specific working conditions, the filtering elements 34 of the 3D collodion bodies with proper density can be selectively installed in each air outlet channel 332, so that the kinetic energy of a small amount of solid dust which can escape into the air outlet channels 332 is further dissipated, and the filtering elements 34 of the 3D collodion bodies filled in the kinetic energy are further trapped, filtered and removed, thereby effectively realizing the filtering and removing of the dry powder paint mist. In addition, the intermittent periodic spraying device is arranged at one side of the air inlet 212, so that the trapping, filtering and removing efficiency can be further enhanced, and the aging and replacing time of the filter can be remarkably prolonged.
Specifically, the box body 1 is a rectangular corrugated carton and is made of secondary recycled kraft paper, and the main function is to package a plurality of filter assemblies 3, an air inlet baffle 21 and an air outlet baffle 22 into a unit with stable structure and jointly provide a complete good internal air channel. In addition, the air inlet baffle 21 and the air outlet baffle 22 are metal sheet metal parts or injection molding parts which can be recycled repeatedly, and the main functions are to well position and fix each filter assembly 3 and provide a smooth external air inlet channel 312 and an air outlet channel 332.
The used paint mist filter can be removed and replaced, and the waste filter can be regenerated and recycled according to different use conditions and can be used as a garbage power station to be burnt as power generation fuel. The process does not produce any secondary pollution.
The basic working principle of the filter is as follows: industrial polluted air containing a large amount of dry powder-like solid paint mist dust sent from a spray station of a dry spray booth is sent to an internal air inlet channel 312 between two oppositely installed filter assemblies 3 through an air inlet baffle 21 (it is necessary to ensure that the two micro cyclone array assembly units on both sides of the internal air inlet channel 312 are all air inlet side air distribution plates 31 facing the inner side of the air inlet channel 312), and the industrial polluted air is introduced into each hexagonal honeycomb duct 321 of a separating plate 32 on both sides from the tangential direction through the two air inlet side air distribution plates 31 on both sides of the air inlet channel 312 (it is necessary to ensure the optimized wind speed), a large amount of dry powder paint mist carried in the air is trapped in each hexagonal honeycomb cavity through micro cyclone separation, and is discharged from the air outlet side air distribution plate 33 on each separating plate 32 along the tangential direction and immediately collected into the inner air outlet channel 332 between the two oppositely installed filter assemblies 3 (the two filter assemblies 3 on both sides of the inner air inlet channel 312 are all the air outlet side air distribution plates 33 facing the inner side of the air outlet channel 332 must be ensured), the 3D collodion composite filter element 34 can be selectively installed in the inner air outlet channel 332 according to working conditions, or two layers of non-woven fabrics and one layer of 3D collodion composite filter element 34 are adopted, so that the collection efficiency of tiny dry powder paint mist dust is further enhanced, and the intermittent periodic spraying device is arranged on one side of the air inlet 212, so that the collection filtration removal efficiency can be further enhanced, and the aging and replacement time of the filter can be remarkably prolonged.
The dry powder paint mist filter is a novel dry powder paint mist filter which is high in efficiency, low in wind resistance, environment-friendly, durable, easy to manufacture, low in cost and high in anti-saturation usability, and can be used for capturing and filtering a large amount of PM2.5 dry powder paint mist dust discharged by another type of dry paint spray booth.
Example 2
In addition, the utility model also provides a dry powder paint mist trapping and filtering device, which comprises a plurality of dry powder paint mist filters, wherein the dry powder paint mist filters are connected in parallel to form a dry powder paint mist trapping and filtering system of one stage, and the dry powder paint mist trapping and filtering systems of different specifications are connected in series to form a dry powder paint mist trapping and filtering device of multiple stages. The two-stage or multi-stage multi-effect dry powder paint mist trapping and filtering device is formed according to the specific working condition requirement. Each stage is used for filtering and removing the dry powder paint mist in a certain scale range (specification), and therefore different wind speeds and configuration schemes of the composite filter element 34 are selected, and different operation conditions such as intermittent humidification spraying or crusting hardening agent spraying can be selected for each stage of filters, so that the filtering efficiency is further improved in a targeted manner, and the service life is prolonged.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A dry powder paint mist filter, characterized in that: comprising
A case;
the baffle assembly comprises an air inlet baffle and an air outlet baffle, the air inlet baffle is arranged on one side in the box body, the air outlet baffle is arranged on the other side in the box body, a plurality of air inlets are formed in the air inlet baffle, and a plurality of air outlets are formed in the air outlet baffle;
the filter components are arranged between the air inlet baffle plates and the air outlet baffle plates, each filter component comprises an air inlet side air distribution plate, a separating plate and an air outlet side air distribution plate, the separating plate is arranged between the air inlet side air distribution plate and the air outlet side air distribution plate, the air inlet side air distribution plates corresponding to the two filter components are oppositely arranged, an air inlet channel is arranged between the adjacent two air inlet side air distribution plates, the air inlet channel is communicated with the air inlet, an air outlet channel is arranged between the adjacent two air outlet side air distribution plates, the air outlet channel is communicated with the air outlet, and a plurality of filtering pore channels are formed among the air inlet side air distribution plates, the separating plate and the air outlet side air distribution plates.
2. A dry powder paint mist filter as set forth in claim 1, wherein: the separation plate is provided with a plurality of hexagonal honeycomb channels in an array manner, and the plurality of hexagonal honeycomb channels are arranged in a staggered manner.
3. A dry powder paint mist filter as set forth in claim 2, wherein: the air inlet side air distribution plate is provided with an air inlet hole, the air outlet side air distribution plate is provided with an air outlet hole, the air inlet hole is positioned below the hexagonal honeycomb duct, the air outlet hole is positioned above the hexagonal honeycomb duct, and the air inlet hole, the hexagonal honeycomb duct and the air outlet hole form the filtering duct.
4. A dry powder paint mist filter as set forth in claim 3, wherein: the air inlet and the air outlet are both trapezoidal.
5. A dry powder paint mist filter as set forth in claim 1, wherein: and a filter element is arranged between the adjacent air outlet side air distribution plates.
6. A dry powder paint mist filter as set forth in claim 5, wherein: the filter element is a 3D glue-spraying cotton body.
7. A dry powder paint mist filter as set forth in claim 1, wherein: the air inlet baffle is provided with a plurality of first locating pieces, the air outlet baffle is provided with a second locating piece, and the first locating pieces and the second locating pieces are matched to locate the filter assembly.
8. A dry powder paint mist filter as set forth in claim 1, wherein: and a humidifying sprayer is arranged at one side close to the air inlet baffle plate.
9. A dry powder paint mist filter as set forth in claim 1, wherein: the box body is a rectangular corrugated box, and the air inlet baffle and the air outlet baffle are sheet metal parts or injection molding parts.
10. The utility model provides a dry powder coating cloud entrapment filter equipment which characterized in that: a dry powder paint mist filter comprising a plurality of dry powder paint mist filters as claimed in any one of claims 1 to 9, wherein a plurality of dry powder paint mist filters are arranged in parallel to form a dry powder paint mist trapping and filtering system of a certain level, and a plurality of dry powder paint mist trapping and filtering systems of different specifications are arranged in series to form a multi-level dry powder paint mist trapping and filtering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320387705.8U CN219615184U (en) | 2023-03-06 | 2023-03-06 | Dry powder paint mist filter and dry powder paint mist trapping and filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320387705.8U CN219615184U (en) | 2023-03-06 | 2023-03-06 | Dry powder paint mist filter and dry powder paint mist trapping and filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219615184U true CN219615184U (en) | 2023-09-01 |
Family
ID=87773285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320387705.8U Active CN219615184U (en) | 2023-03-06 | 2023-03-06 | Dry powder paint mist filter and dry powder paint mist trapping and filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219615184U (en) |
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2023
- 2023-03-06 CN CN202320387705.8U patent/CN219615184U/en active Active
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