CN108201747B - Rotary filtering device - Google Patents

Rotary filtering device Download PDF

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Publication number
CN108201747B
CN108201747B CN201611166392.4A CN201611166392A CN108201747B CN 108201747 B CN108201747 B CN 108201747B CN 201611166392 A CN201611166392 A CN 201611166392A CN 108201747 B CN108201747 B CN 108201747B
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China
Prior art keywords
circular ring
filter
support frame
filter paper
ring
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CN201611166392.4A
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CN108201747A (en
Inventor
陆通林
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Shanghai Tongzhou Machinery Equipment Engineering Co ltd
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Shanghai Tongzhou Machinery Equipment Engineering Co ltd
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Priority to CN201611166392.4A priority Critical patent/CN108201747B/en
Publication of CN108201747A publication Critical patent/CN108201747A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
    • B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0258—Other waste gases from painting equipments or paint drying installations

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a rotary filtering device which comprises a first circular ring, a second circular ring and a filtering box assembly sleeved outside the first circular ring and the second circular ring, wherein the first circular ring and the second circular ring are arranged in parallel up and down, and rolling shafts are symmetrically arranged on the first circular ring and the second circular ring respectively; the filter box assembly comprises a hollow circular upper cover, a hollow circular base and at least two support rods positioned between the upper cover and the base, the first circular ring and the second circular ring are respectively connected with the upper cover and the base through rolling shafts, and a filter box is arranged between the support rods; the upper cover is provided with a gear ring which is connected with an external motor through a gear chain. When the filter box is replaced, the filter box to be replaced is rotated to the position of the baffle plate, and the filter box is taken out manually or by means of a hand-push forklift, so that the replacement process is simple, production stop is not required, and the smooth production process is ensured.

Description

Rotary filtering device
Technical Field
The invention relates to the technical field of filtering equipment, in particular to a rotary filtering device.
Background
The paint spraying is a main process in the coating production process, and a paint spraying chamber is necessary equipment for finishing paint spraying and mainly comprises an air supply and exhaust system, a paint mist capturing and paint slag removing system and paint spraying equipment (a robot or a manual work).
Paint spray booths are further divided into wet and dry paint spray booths. The wet paint spray booth is characterized in that paint mist after being sprayed is mixed with water through exhaust air and then is collected into a paint slag removing groove, then chemical agents are added to remove paint particles in circulating water through a slag scraper after being subjected to debonding, flocculation and floating, and paint slag is removed through the slag scraper. The dry paint spraying chamber is divided into three modes of lime powder adsorption, conductive liquid electrostatic adsorption and filter cotton paper adsorption. The dry paint spraying chamber does not generate waste water, and is more environment-friendly; the dry paint spraying chamber adopts the circulating air conditioner to control the temperature and the humidity of the paint spraying chamber, and is more energy-saving than a wet paint spraying chamber. The lime powder adsorption means that paint particles are adsorbed by lime powder along with exhaust air to realize the aim of paint mist separation, and because 8-10 parts of lime powder are needed for adsorption of one part of paint, a large amount of waste is generated to be treated; the electrostatic adsorption means that paint particles are subjected to electrostatic adsorption by conductive liquid along with exhaust air, and then chemical agents are added into the conductive liquid to separate paint residues, so that the aim of separating paint mist is fulfilled, and because a high-voltage generator is needed to generate static electricity, the danger of fire caused by electric sparks generated by careless operation exists; filter cotton paper absorption means that the paint granule is adsorbed through filtering cotton paper through airing exhaust, stay the paint granule in the filter paper box, realize the purpose of coating cloud separation, filter cotton paper absorption is simple economy, but can not solve the problem of not stopping production and changing the filter.
Disclosure of Invention
In order to solve the problem that the filter needs to be replaced after production is stopped in the prior art, the invention aims to provide a rotary filtering device.
In order to achieve the purpose, the invention adopts the following technical scheme: a rotary filtering device is characterized by comprising a first circular ring, a second circular ring and a filtering box assembly sleeved outside the first circular ring and the second circular ring, wherein the first circular ring and the second circular ring are arranged in parallel up and down, and rolling shafts are symmetrically arranged on the first circular ring and the second circular ring respectively;
the filter box assembly comprises a hollow circular upper cover, a hollow circular base and at least two support rods positioned between the upper cover and the base, the first circular ring and the second circular ring are respectively connected with the upper cover and the base through rolling shafts, and a filter box is arranged between the support rods;
the upper cover is provided with a gear ring which is connected with an external motor through a gear chain.
By adopting the scheme, the filter box is arranged between the supporting rods, the filter box rotates along with the filter box assembly under the action of the external motor, the filter box adsorbs paint particles in the rotating process, and the adsorbed air is discharged from the hollow upper cover for cyclic utilization; when partial filter box needs to be replaced, the filter box is taken out through manpower or a forklift, other filter boxes can be continuously used without stopping production, and the normal operation of production is ensured.
Preferably, the number of the supporting rods is six, and the supporting rods are uniformly distributed between the upper cover and the base.
Adopt above-mentioned scheme, equally divide into six regions with rotary filter device, each region mutual independence provides probably for changing the filter cartridge respectively, avoids stopping to carry out the whole changes of filter cartridge after.
Preferably, the number of the upper rollers of the first ring and the second ring is four, and the upper rollers are respectively located above and at two sides of the first ring and the second ring.
Adopt above-mentioned scheme, first ring, second ring and the swing joint of filter cartridge assembly body, filter cartridge assembly body uses first ring, second ring to rotate as the axle.
Preferably, a baffle is arranged between the first circular ring and the second circular ring, the baffle is positioned between the two support rods, and an exhaust hole is formed in the baffle.
By adopting the scheme, when the filter box needs to be replaced, the filter box is rotated to the position of the baffle, the solvent in the filter box is discharged through the exhaust hole, the quick-drying effect of the filter box is achieved, the phenomenon of solvent overflow when workers replace the filter box is prevented, and meanwhile, the filter box after quick drying provides convenience for recovery.
Preferably, at least two interlayer are arranged between the support rods.
Preferably, the number of the separation layers is 8.
By adopting the scheme, the interlayer is arranged to divide the supporting rods into a plurality of independent areas for placing the filter boxes, the filter boxes are mutually independent, and the filter boxes are convenient to replace respectively.
Preferably, the filter cartridge comprises a cartridge body, a filter paper support frame and filter paper arranged in the cartridge body, and the filter paper is arranged on the filter paper support frame.
Preferably, the filter paper support frame comprises an upper support frame, a lower support frame and a connecting frame positioned between the upper support frame and the lower support frame, the upper support frame and the lower support frame are obliquely arranged, a support included angle is formed between the upper support frame and the lower support frame, and the support included angle is 10-30 degrees.
The upper supporting frame and the lower supporting frame are obliquely arranged, so that the air containing paint particles can be fully contacted with the filter paper, and the retention rate of the filter paper on the paint particles in the air is improved.
Preferably, the box body is a rectangular box body, and an air inlet and an air outlet are arranged on two opposite side walls of the rectangular box body.
By adopting the scheme, the air inlet and the air outlet are oppositely arranged, so that the maximum contact area between the air containing paint particles and the filter paper is ensured, and the paint particles in the air are filtered more thoroughly.
Preferably, be equipped with 4 filter paper support frames in the box body, filter paper snakelike twine in between 4 filter paper support frames, upper bracket arranges in one side of air intake is higher than upper bracket arranges in one side of air outlet, the under bracing frame is arranged in one side of air intake is less than the under bracing frame arranges in one side of air outlet, filter paper between two adjacent filter paper support frames bends and is 2 layers, 2 form between the layer filter paper and filter the clearance, bend and locate one side of air intake.
Adopt above-mentioned scheme, the air that contains the paint granule gets into the box body by the clearance between upper bracket and the under bracing frame, because upper bracket and under bracing frame are the slope setting, and the filter paper is the slope setting equally under the suppression of upper bracket and under bracing frame, and the air that contains the paint granule passes through the filter paper, the paint granule is held back on the filter paper, and the air after the filtration is discharged by the air outlet through the filter clearance between the 2 layers of filter paper between the adjacent filter paper support frame.
Preferably, the supporting included angle between the upper supporting frame and the lower supporting frame is 15 °.
By adopting the scheme, when the supporting included angle between the upper supporting frame and the lower supporting frame is set to be 15 degrees, the contact area between the air containing paint particles entering from the air inlet and the filter paper is the largest.
Preferably, the upper support frame and the lower support frame are respectively provided with more than 2 support blocks along the periphery.
When the accumulated amount of the paint particles on the filter paper reaches a certain amount, the support block ensures that the filter paper on the filter paper support frame does not sink.
Preferably, the filter paper is a multi-layer folded filter paper.
The multilayer folding filter paper belongs to deep bearing rather than surface bearing, and the pollutant bearing capacity is 3-5 times that of common filter paper.
Preferably, a differential pressure gauge is arranged between the air inlet and the air outlet of the box body.
By adopting the scheme, the blocking condition of the filter paper is judged according to the differential pressure value between the air inlet and the air outlet, so that the filter box can be replaced in time, and the utilization rate of the filter box is the highest.
Compared with the prior art, the invention has the following beneficial effects: when the filter box is replaced, the filter box to be replaced is rotated to the position of the baffle plate, and the filter box is taken out manually or by means of a hand-pushed forklift, so that the replacement process is simple, production stop is not needed, and the smooth production process is ensured; the rotary filtering device is provided with the air exhaust holes on the baffle plate, so that the solvent in the filter box to be replaced is quickly exhausted through the air exhaust holes, and the influence on a human body and a working environment caused by the overflow of the solvent is prevented; the rotary filtering device adopts the multi-layer filter paper type filter boxes, the filter boxes are simple to manufacture, low in material price and high in filtering efficiency, exhaust air after filtering can be recycled, the filter boxes can be arranged according to the structures of different paint spray rooms, whether the filter boxes are replaced or not can be determined according to the actual use efficiency of each filter box in the use process, the filter paper filled with paint particles is supplied to a unit for combustion power generation as a combustion-supporting product after being dried in the air, and the utilization rate of the paint particles is improved.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a cross-sectional view of a rotary filter apparatus of embodiment 1 of the present invention;
FIG. 2 is a top view of a rotary filter apparatus of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a rotary filter apparatus of example 2 of the present invention;
FIG. 4 is a schematic view of the construction of a filter cassette of the rotary filter apparatus of the present invention;
FIG. 5 is a schematic view of the structure of the cartridge in the rotary filter device of the present invention;
FIG. 6 is a schematic structural view of a filter paper holder in the rotary filter apparatus according to the present invention;
fig. 7 is a cross-sectional view taken along the line a-a in fig. 4.
Wherein: the filter box comprises a first circular ring 1-1, a second circular ring 1-2, a filter box assembly 2, a support rod 3, a rolling shaft 4, a gear ring 5, a baffle 6, a box body 8, a filter paper support frame 9, filter paper 10, an upper support frame 11, a lower support frame 12, a connecting frame 13, an air inlet 14, an air outlet 15, a filter gap 16, a support block 17, an upper cover 18, a base 19, an air exhaust hole 20 and an interlayer 21.
Detailed Description
Example 1
Referring to fig. 1 and 2, a rotary filter device comprises a first circular ring 1-1, a second circular ring 1-2 and a filter box assembly 2 sleeved outside the first circular ring 1-1 and the second circular ring 1-2, wherein the first circular ring 1-1 and the second circular ring 1-2 are arranged in parallel up and down, rollers 4 are symmetrically arranged on the first circular ring 1-1 and the second circular ring 1-2, and the number of the rollers 4 on the first circular ring 1-1 and the second circular ring 1-2 is four, and the rollers are respectively arranged above and at two sides of the first circular ring 1-1 and the second circular ring 1-2.
The filter box assembly 2 comprises a hollow circular upper cover 18, a hollow circular base 19 and six support rods 3 which are uniformly distributed between the upper cover 18 and the base 19, the six support rods 3 evenly divide the whole filter box assembly 2 into six areas, and every 8 filter boxes are divided into two rows and placed between every two support rods 3.
The upper cover 18 is provided with a gear ring 5 which is connected with an external motor through a gear chain.
A baffle 6 is arranged between the first circular ring 1-1 and the second circular ring 1-2, the baffle 6 is positioned between the two support rods 3, and an exhaust hole 20 is arranged on the baffle 6.
The filter box assembly 2 rotates under the action of an external motor, the filter boxes positioned between the support rods 3 are used for adsorbing paint mist generated in a paint workshop, and the adsorbed air is discharged from the hollow circular upper cover 18 for cyclic utilization; when partial filter box needs to be replaced, the filter box is rotated to the position of the baffle 6, the solvent in the filter box is discharged through the exhaust holes 20, the quick-drying effect of the filter box is achieved, the filter boxes are taken out in an aligned mode through a forklift, and the filter box is convenient and fast to use.
Example 2
As shown in fig. 3, unlike the embodiment 1, 8 partition layers 21 are disposed between every two support rods 3, and the whole filter cassette assembly 2 is divided into 48 regions, in which filter cassettes are respectively disposed. The filter cassettes are independent of each other. When the filter cassettes need to be replaced, the filter cassettes are rotated to the position of the baffle 6, and the filter cassettes are taken out individually by manpower.
As shown in fig. 4, the filter cartridge includes a cartridge body 8, a filter paper support frame 9 and filter paper 10 in the cartridge body 8, and the filter paper 10 is placed on the filter paper support frame 9.
As shown in fig. 5, the front side wall and the rear side wall of the box body 8 are respectively provided with an air inlet 14 and an air outlet 15.
As shown in fig. 6, the filter paper support frame 9 includes an upper support frame 11, a lower support frame 12 and a connecting frame 13, the upper support frame 11 is a rectangular frame, the lower support frame 12 and the upper support frame 11 have the same structure, the connecting frame 13 is disposed between the upper support frame 11 and the lower support frame 12, the upper support frame 11 and the lower support frame 12 are inclined, a support included angle is formed between the upper support frame 11 and the lower support frame 12, and the support included angle is 15 °.
As shown in fig. 7, 4 filter paper support frames 9 are arranged in the box body 8, filter paper 10 is wound between the 4 filter paper support frames 9 in a snake shape, one side of the upper support frame 11 of each filter paper support frame 9, which is arranged at the air inlet 14, is higher than one side of the upper support frame 11, which is arranged at the air outlet 15, the side of the lower support frame 12, which is arranged at the air inlet 14, is lower than one side of the lower support frame 12, which is arranged at the air outlet 15, the filter paper 10 arranged between two adjacent filter paper support frames 9 is bent into 2 layers, a filter gap 16 is formed between the 2 layers of filter.
The working process is as follows: the starter motor, the motor passes through the tooth chain and drives gear ring 5 and rotate, filter cartridge assembly 2 rotates under gear ring 5's effect, the air that contains the paint granule gets into in the box body 8 by air intake 14 through the effect of airing exhaust, get into the snakelike filtration passageway that filter paper 10 formed through the clearance between upper support frame 11 and the lower support frame 12, wherein the paint granule is held back in the inside of filter paper 10, clean air after the filtration discharges through hollow circular upper cover 18, concentrate and collect the circulation and return the paint spray booth, when the filter cartridge rotated the position of baffle 6, take out the filter cartridge with the help of artifical or hand push fork truck, and is convenient and fast, need not to stop production.
The foregoing detailed description is given by way of example only, to better enable one of ordinary skill in the art to understand the patent, and is not to be construed as limiting the scope of what is encompassed by the patent; any equivalent alterations or modifications made according to the spirit of the disclosure of this patent are intended to be included in the scope of this patent.

Claims (10)

1. A rotary filtering device is characterized by comprising a first circular ring (1-1), a second circular ring (1-2) and a filtering box assembly (2) sleeved outside the first circular ring (1-1) and the second circular ring (1-2), wherein the first circular ring (1-1) and the second circular ring (1-2) are arranged in parallel up and down, and rolling shafts (4) are respectively and symmetrically arranged on the first circular ring (1-1) and the second circular ring (1-2);
the filter box assembly (2) comprises a hollow circular upper cover (18), a hollow circular base (19) and at least two support rods (3) positioned between the upper cover (18) and the base (19), the first circular ring (1-1) and the second circular ring (1-2) are respectively connected with the upper cover (18) and the base (19) through rolling shafts (4), and the filter box is placed between the support rods (3);
a baffle (6) is arranged between the first circular ring (1-1) and the second circular ring (1-2), and the baffle (6) is positioned between the two support rods (3);
the upper cover (18) is provided with a gear ring (5) which is connected with an external motor through a gear chain.
2. The rotary filter device according to claim 1, wherein the number of the rollers (4) on the first ring (1-1) and the second ring (1-2) is four, respectively, and the rollers are located above and on both sides of the first ring (1-1) and the second ring (1-2), respectively.
3. The rotary filter device according to claim 1, characterized in that the baffle (6) is provided with ventilation holes (20).
4. The rotary filter device according to claim 1, characterized in that at least two spacers (21) are arranged between the support rods (3).
5. The rotary filter device according to any one of claims 1 to 4, wherein the filter cartridge comprises a cartridge body (8), a filter paper holder (9) and filter paper (10) provided in the cartridge body (8), and the filter paper (10) is placed on the filter paper holder (9).
6. The rotary filter device according to claim 5, wherein the filter paper support frame (9) comprises an upper support frame (11), a lower support frame (12) and a connecting frame (13) arranged between the upper support frame (11) and the lower support frame (12), the upper support frame (11) and the lower support frame (12) are obliquely arranged, and a support included angle is formed between the upper support frame (11) and the lower support frame (12), and the support included angle is 10-30 degrees.
7. The rotary filter device according to claim 6, characterized in that the box (8) is a rectangular box, the two opposite side walls of which are provided with an air inlet (14) and an air outlet (15).
8. The rotary filter device according to claim 7, wherein 4 filter paper supports (9) are arranged in the box body (8), the filter paper (10) is wound between the 4 filter paper supports (9) in a serpentine shape, one side of the upper support (11) positioned at the air inlet (14) is higher than one side of the upper support (11) positioned at the air outlet (15), one side of the lower support (12) positioned at the air inlet (14) is lower than one side of the lower support (12) positioned at the air outlet (15), the filter paper (10) between two adjacent filter paper supports (9) is bent into 2 layers, a filter gap (16) is formed between the 2 layers of filter paper (10), and the bend is positioned at one side of the air inlet (14).
9. The rotary filter device according to claim 6, characterized in that the support angle between the upper support frame (11) and the lower support frame (12) is 15 °.
10. The rotary filter device according to claim 6, wherein the upper support frame (11) and the lower support frame (12) are each provided with more than 2 support blocks (17) along the circumference.
CN201611166392.4A 2016-12-16 2016-12-16 Rotary filtering device Active CN108201747B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611166392.4A CN108201747B (en) 2016-12-16 2016-12-16 Rotary filtering device

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Application Number Priority Date Filing Date Title
CN201611166392.4A CN108201747B (en) 2016-12-16 2016-12-16 Rotary filtering device

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CN108201747A CN108201747A (en) 2018-06-26
CN108201747B true CN108201747B (en) 2021-02-12

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092913A (en) * 1990-11-20 1992-03-03 Yen Richard C K High capacity low resistance vacuum cleaner
CN1304778A (en) * 1999-08-27 2001-07-25 Lg化学株式会社 Dust collecting device using rotating filter
CN202355962U (en) * 2011-11-23 2012-08-01 苏州科佳环境科技有限公司 Baffle-plate-free high-temperature-resistant cassette filter
CN203389459U (en) * 2013-07-01 2014-01-15 福建省大地管桩有限公司 Material recycling device of powdery material storage tank
CN104147871A (en) * 2014-07-31 2014-11-19 成都易态科技有限公司 Filter device and filter sheets thereof
US9193327B2 (en) * 2014-01-13 2015-11-24 Autoliv Asp, Inc. System and method for inflation gas filtration through a tortuous flow pathway

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092913A (en) * 1990-11-20 1992-03-03 Yen Richard C K High capacity low resistance vacuum cleaner
CN1304778A (en) * 1999-08-27 2001-07-25 Lg化学株式会社 Dust collecting device using rotating filter
CN202355962U (en) * 2011-11-23 2012-08-01 苏州科佳环境科技有限公司 Baffle-plate-free high-temperature-resistant cassette filter
CN203389459U (en) * 2013-07-01 2014-01-15 福建省大地管桩有限公司 Material recycling device of powdery material storage tank
US9193327B2 (en) * 2014-01-13 2015-11-24 Autoliv Asp, Inc. System and method for inflation gas filtration through a tortuous flow pathway
CN104147871A (en) * 2014-07-31 2014-11-19 成都易态科技有限公司 Filter device and filter sheets thereof

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