CN114177714A - Dry-type spray room filtering device - Google Patents

Dry-type spray room filtering device Download PDF

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Publication number
CN114177714A
CN114177714A CN202111660303.2A CN202111660303A CN114177714A CN 114177714 A CN114177714 A CN 114177714A CN 202111660303 A CN202111660303 A CN 202111660303A CN 114177714 A CN114177714 A CN 114177714A
Authority
CN
China
Prior art keywords
filter
air
spray booth
housing
outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111660303.2A
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Chinese (zh)
Inventor
代继东
马郡
马力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Automobile Industry Engineering Co Ltd
Scivic Engineering Corp
Original Assignee
China Automobile Industry Engineering Co Ltd
Scivic Engineering Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Automobile Industry Engineering Co Ltd, Scivic Engineering Corp filed Critical China Automobile Industry Engineering Co Ltd
Priority to CN202111660303.2A priority Critical patent/CN114177714A/en
Publication of CN114177714A publication Critical patent/CN114177714A/en
Pending legal-status Critical Current

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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
    • B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
    • 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
    • B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
    • 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
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • 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
    • B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
    • 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 dry-type spray booth filtering device, which comprises a filtering unit assembled below an air supply cavity, wherein the air supply cavity is arranged below a spray booth, the bottom of the air supply cavity is connected with a diversion cavity, the bottom end of the diversion cavity is closed, an air outlet is formed in the side surface of the diversion cavity, one side of the filtering unit is provided with an air inlet communicated with the air outlet of the diversion cavity, an exhaust cavity is arranged outside the air supply cavity, the top end of the filtering unit is provided with an air outlet communicated with an air inlet of the exhaust cavity, paint mist from the spray booth downwards enters the air supply cavity, flows into the filtering unit through the diversion cavity from the air inlet, is filtered by the air inlet, and then enters the exhaust cavity from the air outlet at the top end of the filtering unit to be exhausted. The invention relates to a dry-type spray booth filtering device which is used for filtering paint mist discharged from the bottom of a spray booth and then discharging the filtered paint mist.

Description

Dry-type spray room filtering device
Technical Field
The invention relates to the technical field of dry type spray room filtering devices, in particular to a dry type spray room filtering device.
Background
In the automobile industry, paint spraying is an especially important link, and the emission of waste gas after spraying is a key point of attention of environmental protection departments in recent years, so the cleanliness of the sprayed waste gas is concerned. Generally, the car and the enterprise filter exhaust air through a paper box filter and a bag filter, so that relatively clean air is obtained and discharged.
The filter is usually arranged in the mounting box body in the prior art, is arranged at the outer side of the radial direction of the air supply channel vertically arranged below the exhaust cavity, and is then provided with the bag filter below the paper box filter for secondary filtration.
Disclosure of Invention
The invention aims to provide a dry type spray room filtering device aiming at the technical defects in the prior art.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the utility model provides a dry-type spray booth filter equipment, is including assembling in the filter unit of air supply chamber below, the spray booth below is arranged in to the air supply chamber, the water conservancy diversion chamber is connected to the bottom in air supply chamber, the bottom in water conservancy diversion chamber is sealed and the side is formed with the air outlet, one side of filter unit be equipped with the air intake with the air outlet in water conservancy diversion chamber communicates with each other, the exhaust chamber has been arranged to the outside in air supply chamber, the top of filter unit be provided with the air exit with the income wind gap in exhaust chamber communicates with each other, comes from the coating cloud of spray booth gets into downwards the air supply chamber and through the water conservancy diversion chamber by the air intake flows in the filter unit filters the back, by the air exit on filter unit top gets into the chamber of airing exhaust is discharged.
Preferably, the filtering unit includes an independent filter and a box body for fixing to one side of the air supply passage, the filter is made into an independent drawing unit and forms a split structure with the box body, an inlet and an outlet of the filter are provided on one side of the box body, and the filter can horizontally move into and out of the box body through the inlet and the outlet as a whole to realize replacement or installation.
Preferably, the top end of the box body forms the air outlet, and the side face opposite to the inlet and the outlet of the filter forms the air inlet.
Preferably, the filter comprises a carton filter disposed proximate the intake vent and a bag filter, the carton filter being located upstream of and spaced from the bag filter; the bag filter is disposed proximate the access opening.
Preferably, the filter comprises a casing which is formed by connecting a frame and a panel, wherein one side of the casing forms an air inlet and the opposite side forms an air outlet, an air flow channel is formed between the air inlet and the air outlet, the paper box filter is arranged in the air flow channel of the casing, a mounting plate is arranged on one side of the casing far away from the air inlet, an air outlet which is matched with the opening of the bag-type filter is formed on the mounting plate, the bag-type filter is detachably arranged on the side of the mounting plate far away from the air inlet, and the bag body is arranged outside the casing.
Preferably, a spin lock device is arranged on the shell frame on one side close to the mounting plate so as to be matched with a limit stop block in the box body, and the filter is integrally pressed in the shell.
Preferably, the bottom of the shell is provided with a roller assembly so that the filter can conveniently enter and exit the box body.
Preferably, the inlet and outlet of the box body are provided with opening and closing doors, and the opening and closing doors are hinged with the box body frame.
Preferably, the box frame is provided with a caliper seat, and the opening and closing door is provided with a corresponding caliper.
According to the dry-type spray room filtering device, the filtering unit is arranged on the outer side of the radial direction of the vertically arranged air supply channel and is communicated with the air inlet of the air exhaust cavity positioned on one side of the air supply cavity through the air outlet at the top end of the filtering unit, so that air is filtered, the structure is more compact, and the height is effectively reduced.
In addition, the filter is configured into an independent drawing unit, and a split type structural design is formed by the filter and the box body, so that the filter can be horizontally moved into and out of the box body through an inlet and an outlet on the box body as a whole to realize replacement or installation, and the replacement and maintenance are convenient.
Additionally, the filter includes a carton filter disposed proximate the intake vent and a bag filter, the carton filter being upstream of and spaced apart from the bag filter; the bag filter is arranged close to the inlet and the outlet, so that two-stage effective filtration of gas is realized, and the required filtration effect is achieved.
Drawings
Fig. 1 is a schematic view showing the overall construction of a dry spray booth filtration apparatus of the present invention.
Figure 2 is a schematic view of the housing of the filtration unit of the present invention.
Figure 3 is another schematic view of the housing of the filtration unit of the present invention.
Fig. 4 is a schematic view of the filter unit of the present invention.
Fig. 5 is a side view of a filter of the filtration unit of the present invention.
Fig. 6 is a view from the direction B-B of fig. 5.
Fig. 7 is a front view of the filter unit of the present invention.
Fig. 8 is a view from direction a-a of fig. 7.
Fig. 9 is a view in the direction C of fig. 7.
FIG. 10 is a schematic view of a mounting plate of a bag filter.
Figure 11 is an isometric view of a extractable filter.
Fig. 12 is a schematic view showing a process of installing the extractable filter inside the cabinet.
Fig. 13 is an isometric view of the filter unit formed after the extractable filter is installed inside the housing.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the dry type spray booth filtering device according to the embodiment of the present invention includes a filtering unit 3 assembled below an air supply cavity 1, the air supply cavity 1 is disposed below a spray booth, the bottom of the air supply cavity 1 is connected to the top of a diversion cavity and is connected to the diversion cavity in a T-shaped configuration, the bottom of the diversion cavity is closed and the side of the diversion cavity is provided with an air outlet, one side of the filtering unit 3 is provided with an air inlet communicated with the air outlet of the diversion cavity, the outside of the air supply cavity 1 is provided with an exhaust cavity 2, the top of the filtering unit 3 is provided with an air outlet communicated with the air inlet of the exhaust cavity 2, and paint mist from the spray booth downwardly enters the air supply cavity, flows into the filtering unit 3 through the diversion cavity from the air inlet, is filtered, and then enters the exhaust cavity 2 through the air outlet at the top of the filtering unit 3 and is exhausted.
Wherein, the top of the filtering unit 3 is provided with an air outlet connected with the air inlet of the air exhaust cavity through an air valve 9, and the air can be exhausted by opening the air valve 9, as shown in fig. 1.
As a preferred embodiment, the filtering unit 3 is a box body fixedly installed on the bearing frame 10, and a filter which is arranged in the box body and can be conveniently separated from the box body, wherein the filter is made into an independent drawing unit and forms a split structure with the box body, the filter can be drawn in and out of the box body in a drawing or pushing mode, an inlet and an outlet of the filter are arranged on one side surface of the box body, the filter can be horizontally moved in and out of the box body through the inlet and the outlet as a whole to realize replacement or installation, wherein the filtering box body can be fixed below the air supply cavity and fixed, so that the filter 5 can be moved in and out of the box body to facilitate replacement and maintenance of the filter.
Wherein, when changing the filter, can go on through a dolly 8, remove the filter through the dolly, can set up weighing sensor on the dolly 8 to weigh the filter.
The top end of the box body is provided with the air outlet 3.4, and the side face opposite to the inlet and the outlet of the filter is provided with an air inlet corresponding to the air outlet of the air supply channel, so that gas to be filtered entering from the air inlet enters the air inlet and is filtered by the filter and then is discharged from the air outlet at the top. Of course, the air outlet can also be arranged at the bottom end of the box body.
Wherein, the box body of the filtering unit 3 can be a rectangular structure as a whole, the top plate 3.6 is provided with an air outlet 3.4, the back plate 3.8 is provided with an air inlet 3.12, other side surfaces are in a closed state, for example, the side plate 3.7 and the bottom plate 3.10 form a connecting structure with the frame to be closed at the corresponding side surface,
as an example, the filter may be a combination of a carton filter 6 and/or a bag filter 4, and for better use, in an embodiment of the present invention, the filter is formed by a combination of a carton filter and a bag filter, wherein the carton filter 6 is disposed proximate to the intake vent, upstream of and spaced apart from the bag filter; the bag filter is disposed proximate the access opening. That is to say, the gas to be filtered is filtered by the paper box filter, then enters the bag filter for filtering, and finally is discharged from the air outlet, and a better filtering effect can be realized through two-stage filtering.
The middle part of the box body can be provided with a differential pressure acquisition device 7, particularly arranged in a separated space between the bag filter and the paper box filter, and can be connected with two differential pressure meters through an air pipe, wherein the two differential pressure meters can be arranged near the air inlet side of the paper box filter 6 and the air inlet side of the bag filter 4 so as to acquire the differential pressure inside the paper box filter and the differential pressure inside the bag filter, and are used for detecting the blockage condition of the paper box filter and the bag filter so as to judge whether to replace or maintain.
Wherein, the filter formed by the combination of the paper box filter and the bag filter is taken as a separate drawing unit 5, for the convenience of drawing, a shell with one side forming an air inlet and the opposite side forming an air outlet is formed by combining a frame 5.2 and corresponding plates, an air flow channel is formed between the air inlet and the air outlet, one side of the shell far away from the air inlet is provided with a mounting plate 5.7 of the bag filter for mounting or arranging the bag filter 4, the mounting plate is provided with an air outlet 5.11 adapting to the bag mouth of the bag filter, the bag mouth of the bag filter covers the air outlet on the mounting plate, so that air enters the bag filter through the air outlet, wherein, the bag filter is detachably mounted on the side of the mounting plate far away from the air inlet, and the bag body is arranged outside the shell; the carton filter is disposed in the airflow passage of the housing.
The carton filters and the bag filters can be arranged in layers, and are divided into three layers from top to bottom as shown in fig. 7, three air outlets 5.11 are formed in the corresponding mounting plates, the carton filters are separated by partition plates 5.3, and in order to ensure the strength of the partition plates 5.3, reinforcing frameworks are arranged on the back of the carton filters and consist of reinforcing upright columns 5.12 and reinforcing cross beams 5.13; meanwhile, the reinforcing beam 5.13 is used for limiting the carton filter 6, and the partition plates 5.3 are welded on the reinforcing beam 5.13 and are welded with the side plates 5.1.
The mounting plate is arranged in the shell, the paper box filter is mounted on one side of the shell, the bag filter is mounted on the other side of the shell in an exposed mode, the two filters are mounted together, and the whole filter can move through the movement of the shell, so that a drawing structure is formed by the filter and the box body conveniently, and drawing is facilitated.
In the above embodiment, the number of the wind outlets on the mounting plate may be one or more, and is determined according to the number and size of the bag filters to be mounted.
In particular, the mounting plate 5.7 is fixed with channel steel 5.6 to mount the quick clamp 5.4 for locking the bag filter by bolts 5.5, thus facilitating the replacement of the bag filter 4.
The top end of the shell is provided with a top plate, the bottom end of the shell is provided with a bottom plate, the side faces perpendicular to the air inlet are respectively provided with a side plate 5.1, the top plate, the bottom plate, the side plates and the mounting plate are fixed with a shell frame 5.2, an air flow channel is formed inside the shell, so that air flow can be filtered after passing through the carton filter, and the upper end of the shell is further provided with a reinforcing cross beam 5.10.
In order to facilitate the stability and fixation of the shell and the bag filter loaded on the shell after being pushed into the box, a locking device 5.9 is further arranged to lock the drawing unit formed by the shell in the box, and specifically, a spin locking device is arranged on the shell frame on one side of the shell close to the mounting plate, so that the spin locking device is matched with the limiting block 3.5 in the box to press the whole filter in the shell, and the drawing unit is guaranteed to be immobile during operation.
Because the drawing unit formed by the shell is required to move and forms a separated structure with the box body, a roller assembly 5.8 can be arranged at the bottom of the shell for facilitating drawing, so that the filter can conveniently enter and exit the box body. Of course, the drawer guide rail or the slide rail part on the inner wall of the box body can be matched with the drawer slide rail part on the outer side wall of the shell to realize drawing, and the drawing is not limited to the roller.
Since the filter device is to be kept relatively sealed during filtering, i.e. a sealed environment is formed inside, an opening and closing door 3.11 is arranged at the inlet and the outlet through a hinge 3.3, when the filter device is operated, the opening and closing door is closed and is opened during maintenance and filter replacement, wherein the opening and closing door is hinged with the box body frame.
Wherein, in order to guarantee that the door that opens and shuts is closed when locking or close tightly be equipped with calliper seat 3.2 on the box frame, the calliper 3.1 that corresponds on the door that opens and shuts through calliper convenient operation, will open and shut the locking of door, guarantees sealed effect, can establish a calliper respectively in the upper portion and the lower part of door.
According to the dry type spray room filtering device, the filtering unit is arranged on the outer side of the radial direction of the vertically arranged air supply channel and is communicated with the air inlet of the air exhaust cavity positioned on one side of the air supply cavity through the air outlet at the top end of the filtering unit, so that the gas from a spray room is filtered, the structure is more compact, and the height is effectively reduced.
In addition, the filter is configured into an independent drawing unit, and a split type structural design is formed by the filter and the box body, so that the filter can be horizontally moved into and out of the box body through an inlet and an outlet on the box body as a whole to realize replacement or installation, and the replacement and maintenance are convenient.
Additionally, the filter includes a carton filter disposed proximate the intake vent and a bag filter, the carton filter being upstream of and spaced apart from the bag filter; the bag filter is arranged close to the inlet and the outlet, so that two-stage effective filtration of gas is realized, and the required filtration effect is achieved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a dry-type spray booth filter equipment, is including assembling in the filter unit of air supply chamber below, the paint spray booth below is arranged in to the air supply chamber, the water conservancy diversion chamber is connected to the bottom in air supply chamber, the bottom in water conservancy diversion chamber is sealed and the side is formed with the air outlet, one side of filter unit be equipped with the air intake with the air outlet in water conservancy diversion chamber communicates with each other, its characterized in that, the exhaust chamber has been arranged to the outside in air supply chamber, the top of filter unit be provided with the air exit with the income wind gap in exhaust chamber communicates with each other, comes from the coating cloud of paint spray booth downwards gets into the air supply chamber and by the air intake flows in the filter unit filters the back, by the air exit on filter unit top gets into the chamber of airing exhaust is discharged.
2. The filter assembly of claim 1, wherein the filter unit includes a filter and a housing fixed to one side of the air supply passage, the filter is formed as a separate drawing unit and is formed as a separate structure with the housing, an inlet and an outlet of the filter are formed on one side of the housing, and the filter as a whole is horizontally movable into and out of the housing through the inlet and the outlet to be replaced or installed.
3. The dry spray booth filtration device of claim 2, wherein the air outlet is formed at a top end of the cabinet, and the air inlet is formed on a side opposite to the inlet/outlet of the filter.
4. The dry spray booth filtration device of claim 3, wherein the filter comprises a carton filter disposed proximate the intake vent and a bag filter, the carton filter being upstream of and spaced apart from the bag filter; the bag filter is disposed proximate the access opening.
5. The dry spray booth filtration device of claim 4, wherein the filter comprises a housing having one side forming an air inlet and an opposite side forming an air outlet connected by a frame and a panel, the air inlet and the air outlet forming an air flow path therebetween, the carton filter being disposed in the air flow path of the housing, a mounting plate being disposed on a side of the housing remote from the air inlet, the mounting plate forming an air outlet adapted to a mouth of the bag filter, the bag filter being removably mounted to a side of the mounting plate remote from the air inlet and the bag being disposed outside the housing.
6. The dry spray booth filtration device of claim 5, wherein a twist lock device is provided on the housing frame on a side proximate to the mounting plate to engage a limit stop in the tank to hold the filter in place within the housing.
7. A dry spray booth filtration device as claimed in claim 5 or 6, wherein a roller assembly is mounted to the bottom of the housing to facilitate the filter's ingress and egress to and from the cabinet.
8. The dry spray booth filtration device of claim 7, wherein the access opening of the box is provided with a door that is hinged to the box frame.
9. The dry spray booth filtration device of claim 8, wherein said cabinet frame has a caliper mount thereon, and said door has a corresponding caliper thereon.
CN202111660303.2A 2021-12-30 2021-12-30 Dry-type spray room filtering device Pending CN114177714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111660303.2A CN114177714A (en) 2021-12-30 2021-12-30 Dry-type spray room filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111660303.2A CN114177714A (en) 2021-12-30 2021-12-30 Dry-type spray room filtering device

Publications (1)

Publication Number Publication Date
CN114177714A true CN114177714A (en) 2022-03-15

Family

ID=80545394

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111660303.2A Pending CN114177714A (en) 2021-12-30 2021-12-30 Dry-type spray room filtering device

Country Status (1)

Country Link
CN (1) CN114177714A (en)

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