CN111790692B - A waste gas collecting system that can assemble for place of spraying paint - Google Patents

A waste gas collecting system that can assemble for place of spraying paint Download PDF

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Publication number
CN111790692B
CN111790692B CN202010724737.3A CN202010724737A CN111790692B CN 111790692 B CN111790692 B CN 111790692B CN 202010724737 A CN202010724737 A CN 202010724737A CN 111790692 B CN111790692 B CN 111790692B
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China
Prior art keywords
painting
branch
collecting
duct
collecting duct
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CN202010724737.3A
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Chinese (zh)
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CN111790692A (en
Inventor
张海桥
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China Aviation International Construction and Investment Co Ltd
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China Aviation International Construction and Investment Co Ltd
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Priority to CN202010724737.3A priority Critical patent/CN111790692B/en
Publication of CN111790692A publication Critical patent/CN111790692A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04Cleaning by suction, with or without auxiliary action
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area

Abstract

The application discloses a waste gas collecting system that can assemble for spraying paint place, this waste gas collecting system that can assemble includes: a main collection duct fixedly disposed in the painting location and communicating with a suction source outside the painting location; and at least one branch collecting duct detachably connected to the main collecting duct and extending inside or near a painting operation area of the painting site, the branch collecting duct being provided with a plurality of suction ports selectively closable or openable. According to the technical scheme of this application, through the main collection pipeline with the suction source intercommunication with be provided with at least one branch collection pipeline detachably connected of induction port to a waste gas collection scheme for the place of spraying paint that collection effect that the suitability is higher is more ideal is provided.

Description

A waste gas collecting system that can assemble for place of spraying paint
Technical Field
The application relates to the field of waste gas collection, more specifically relates to a waste gas collection system that can assemble fast for spraying paint place.
Background
In various industrial processes, a large amount of waste disposal is generated, such as cooling liquid used in machining, waste fumes generated in electric welding operations, and waste gases generated in painting operations, for example. With the increase of environmental protection requirements, waste gas, waste liquid or waste residue generated in industrial production needs to be effectively collected and treated so as to avoid damaging the environment.
The conventional waste gas, waste liquid and waste residue are treated by a mature treatment method, but the waste gas generated in the paint spraying operation is difficult, and the main reason is that the waste gas generated in the paint spraying operation mainly comprises tiny paint droplets suspended in the space of a paint spraying place. Furthermore, the painting location is often designed to have a certain tightness for dust prevention, and the paint droplets may be suspended in the space of the painting location for a long time to form an aerosol. Especially when painting large products, such as aircraft, serious pollution problems are more likely to occur.
Conventionally, in order to collect and treat the exhaust air in the painting place, a suction device is provided at the painting place, but the effect is not ideal.
Therefore, how to provide an exhaust gas collection scheme with more ideal collection effect for a painting place becomes a technical problem to be solved in the field.
Disclosure of Invention
In view of this, the present application provides a detachable exhaust gas collecting system for a painting place, so as to provide an exhaust gas collecting scheme with high applicability.
According to this application, a waste gas collection system for painting place can assemble is proposed, its characterized in that, this waste gas collection system that can assemble includes: a main collection duct fixedly disposed in the painting location and communicating with a suction source outside the painting location; and at least one branch collecting duct detachably connected to the main collecting duct and extending inside or near a painting operation area of the painting place, the branch collecting duct being provided with a plurality of selectively closed or open suction ports, suction amounts of the suction ports being adjustable.
Preferably, the branch collecting duct is plural, and a connection position of the branch collecting duct on the main collecting duct is selectable according to a position of a painting work area in the painting place.
Preferably, a manual knob type screw fastener is provided at a connection position of the branch collecting duct and the main collecting duct, for manually connecting or disconnecting the branch collecting duct and the main collecting duct.
Preferably, the branch collecting pipes are arranged in multiple sections, and two adjacent sections of the branch collecting pipes are connected through a manual pipe fixer.
Preferably, the manual pipe fixer comprises a pair of locking rings for being fitted over the flange structure at the pipe connecting position, one ends of the pair of locking rings are hingedly connected to each other, and the other ends are provided with a locking mechanism that can be manually locked or unlocked.
Preferably, the air suction ports are distributed in the same horizontal plane, or are arranged around a three-dimensional space below, beside and/or above the paint spraying operation area.
Preferably, at least one air suction pipe is connected to the branch collecting duct, and a port of the air suction pipe forms the air suction port.
Preferably, an angle α between a suction direction of the suction pipe and a suction direction of the branch collecting duct is an acute angle, and the acute angle is 30 to 60 degrees.
Preferably, a flexible tube is connected to the suction opening, the port of the flexible tube being adjacent a painting location within the painting operation zone.
Preferably, the collapsible exhaust collection system includes a mobile trolley releasably lockable within the painting location for supporting and securing the branch collection conduit.
According to the technical scheme of this application, at least one collection pipeline is in the spray painting operation district inside or near extension of place of spraying paint, the suction is provided through the outside suction source of the jet-propelled place that is linked together with main collection pipeline, collect the waste gas in the spray painting operation district by setting up in a plurality of optional closed or open induction ports of a collection pipeline, wherein at least one collection pipeline is connected with main collection pipeline detachably, thereby can adjust the hookup location of a collection pipeline on main collection pipeline according to the distribution in spray painting operation district, and then provide the waste gas collection scheme that is used for the place of spraying paint that collection effect that the suitability is higher is more ideal.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application, and the illustrative embodiments and descriptions thereof are used to explain the application. In the drawings:
FIG. 1 is a schematic top view of a sectional exhaust collection system for a painting location according to a preferred embodiment of the present application;
FIG. 2 is a partial schematic view of the collapsible exhaust collection system for a paint spray site of FIG. 1;
FIG. 3 is a schematic view of a manual pipe retainer for a collapsible exhaust collection system for a paint spray site according to a preferred embodiment of the present application;
fig. 4 is a schematic view illustrating a flange structure in which a locking ring of a manual pipe fixer according to a preferred embodiment of the present application is fitted to a pipe coupling position.
Detailed Description
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the present application provides a collapsible exhaust collection system for a painting location, comprising: a main collecting duct 10, the main collecting duct 10 being fixedly provided in a painting place and communicating with a suction source outside the painting place; and at least one branch collecting duct 12, the branch collecting duct 12 being detachably connected to the main collecting duct 10 and extending inside or near the painting operation area of the painting site, the branch collecting duct 12 being provided with a plurality of selectively closable or openable suction openings, the suction amount of which is preferably adjustable.
When large equipment (such as large special vehicles, airplanes, submarines and the like) is used for paint spraying operation, waste gas collection is relatively difficult due to large volume. Although the mode of trench exhaust in the spray painting workshop can be adopted, the trench exhaust is not easy to maintain, the construction cost is higher, and the difficulty is higher particularly for the transformation of an old workshop.
According to the present application, at least one branch collecting duct 12 provided with a plurality of selectively closed or opened suction ports can be disposed at a corresponding position of the main collecting duct 10 according to the distribution of the painting operation area of the painting place. Therefore, local or whole waste gas collection can be performed in the process of spray painting operation in a targeted manner, and a more ideal waste gas collection effect is realized. When the painting operation is performed on different workpieces or equipment, the detachable branch collecting duct 12 can easily change the connection position on the main collecting duct 10 according to different operation areas, thereby providing an exhaust gas collecting scheme with high applicability. In order to further improve the waste gas collecting effect, the air suction volume of the air suction ports can be adjustable, so that the waste gas collecting performance of the exhaust gas collecting system capable of being assembled can be fully utilized by adjusting the air suction volume of each air suction port according to the operation condition of each paint spraying position. The suction amount can be adjusted by arranging an air balance device such as a multi-vane valve, a differential pressure valve and the like at the suction port.
The main collecting duct 10 is installed at a position in the painting place where the painting work is not affected according to the work requirement of the painting place. Preferably, as shown in fig. 1, the main collecting duct 10 is fixedly installed in a building structure (e.g., a wall, a ceiling, etc.) of a painting place. One end of the main collecting duct 10 may extend in any direction of the building structure of the painting site and the other end is connected to a suction source to provide a negative pressure environment inside the main collecting duct 10 and the branch collecting ducts 12. The main collecting duct 10 of the building structure provided at the painting place is preferably provided above the ground of the painting place. The distance between the lowest part of the main collecting pipeline 10 and the ground is determined according to the actual working condition of a factory building on the premise of not influencing workpieces, production equipment and personnel moving lines, and the optimal distance is 3-6 meters. The surface of the main collecting duct 10 is provided with a plurality of connection points which can communicate with the branch collecting ducts 12 and which are closable when not communicating with the branch collecting ducts 12. The air suction port of each branch collecting duct 12 may also be selectively closed or opened according to the distance relative to the painting operation area, for example, the air suction port near the painting port is opened, and the air suction port far from the painting port is closed, so as to further improve the collecting efficiency of the painting waste air.
The branch collecting ducts 12 are detachably connected to the main collecting duct 10, and the main collecting duct 10 and the branch collecting ducts 12 may be provided with a connecting structure such as a flange and a fastener for fixing, for the convenience of realizing quick assembly. Through the above connection structure, the branch collecting pipes 12 can be connected to the main collecting pipe 10 by fasteners such as screws, or the connection structure of the main collecting pipe 10 and the branch collecting pipes 12 can be locked by fasteners such as ferrules. Preferably, the connection position of the branch collecting ducts 12 and the main collecting duct 10 is preferably provided with a manual knob type screw fastener for manually connecting or disconnecting the branch collecting ducts 12 and the main collecting duct 10, so as to facilitate the rapid assembling operation of the main collecting duct 10 and the branch collecting duct 12 to be performed manually by an operator. The manual knob type screw thread fastener may be a separate fastener which is fixed between the branch collecting duct 12 and the main collecting duct 10 when in use; or preferably, the manual knob type threaded fastener can be a threaded fastener which is hinged to one of the pipeline interfaces and provided with a manual knob, a clamping groove matched with the threaded fastener is arranged at the other pipeline interface corresponding to the pipeline interface, and when the pipeline interfaces are aligned, the manual knob type threaded fastener is swung into the clamping groove and manually screwed, so that the purpose of manual quick connection is achieved.
The length of the branch collecting pipe 12 may be required differently according to different working conditions. Under the preferred condition, prop up collection pipeline 12 multisection and set up, link together the use with the branch collection pipeline 12 of different section numbers according to the length demand of difference, prop up and be provided with the fastener between the two adjacent sections of collection pipeline 12, preferably connect through manual pipeline fixer 11 to can let operating personnel carry out manual adjustment fast, improve work efficiency. The manual pipe fixer 11, as shown preferably in fig. 3 and 4, includes a pair of locking rings 111, 111 'for fitting over the flange structure at the pipe connecting position, the pair of locking rings 111, 111' being hingedly connected to each other at one end and provided with a locking mechanism 112 at the other end to be manually locked or unlocked. When the pipelines are connected, the flange structures at the pipeline interfaces are aligned, the pair of locking rings 111 and 111 'are arranged around the flange structures, the grooves on the inner peripheries of the pair of locking rings 111 and 111' are sleeved on the flange structures, and the rapid manual connection between the pipelines of the collecting pipelines 12 is realized through the manual locking and locking mechanism 112. Further, as shown in fig. 4, a sealing layer made of rubber is provided on the inner circumferential surface of the pair of locking rings 111, 111', and when the pipe is locked by the manual pipe holder 11, the sealing layer is closely adhered to the gap at the pipe connection position, thereby improving the sealing performance at the pipe connection position and further improving the collection efficiency.
As shown in fig. 1, according to the above-described assemblable exhaust gas collecting system, the branch collecting ducts 12 are preferably plural, and the connection positions of the branch collecting ducts 12 to the main collecting duct 10 are selectable according to the positions of the painting work areas in the painting place. Therefore, according to different workpieces needing paint spraying operation or different paint spraying operation areas, different numbers of branch collecting pipelines 12 can be selected to be connected to corresponding positions on the main collecting pipeline 10, so that the branch collecting pipelines 12 extend in or near the paint spraying operation area of a paint spraying place to carry out targeted waste gas collection. The air suction ports of the branch collecting ducts 12 may be distributed in the same horizontal plane, or may be arranged in a three-dimensional space around the lower part, the side part and/or the upper part of the painting operation area. In the preferred aspect, the branch collecting pipes 12 with different distribution modes of the air suction ports can be used in cooperation so as to be suitable for different working conditions and environments, and the applicability of the whole assembled waste gas collecting system is improved. The suction opening is preferably provided with a cover structure which can be opened and closed manually, or a valve structure such as a solenoid valve which can be opened and closed automatically, so as to achieve selective closing or opening of the suction opening.
The suction port may be an opening formed in a wall of the branch collecting duct 12, or preferably, as shown in fig. 2, at least one suction pipe 13 is connected to the branch collecting duct 12, and a port of the suction pipe 13 forms the suction port. Taking one of the branch collecting ducts 12 as an example, as shown by the arrow in fig. 2 as a flow path of the gas in the duct during the collecting process of the exhaust gas, in order to reduce the influence of the gas entering from each gas suction port on the gas flow of the branch collecting duct 12, it is preferable that an included angle α between the gas suction direction of the gas suction pipe 13 and the gas suction direction of the branch collecting duct 12 is an acute angle, so that the exhaust gas sucked through the gas suction pipe 13 is more easily merged into the branch collecting duct 12, and the exhaust gas collecting efficiency is further improved. Wherein the acute angle is preferably 30 to 60 degrees.
The angle or height of the paint during the painting operation may vary depending on the actual conditions, and preferably as shown in fig. 2, the suction port is connected to a flexible tube 131 having a port adjacent to the painting position in the painting operation area. When the painting position is changed, the operator can conveniently adjust the position of the port of the flexible pipe 131 so that the port is always in the optimal exhaust gas collection position. The flexible tube 131 may be a flexible tube or a corrugated tube made of metal or nonmetal.
Further preferably, the collapsible exhaust gas collection system may include a mobile trolley releasably lockable within the painting location for supporting and securing the branch collection conduit 12, the mobile trolley preferably being provided with a manual knob-type threaded fastener as described above for securing the branch collection conduit 12 to the mobile trolley. The mobile trolley preferably includes a conveniently movable structure, such as a universal wheel, to enable rapid movement of the mobile trolley and its supporting branch collecting ducts 12 to install or remove a branch collecting duct 12; and a locking structure for keeping the position of the mobile trolley and the branch collecting pipe 12 supported by the mobile trolley fixed, wherein the locking structure can be a support rod structure which is arranged on the mobile trolley and can extend to the ground, or can also be a brake structure directly acting on the mobile trolley. Preferably, the locking structure is a plurality of screws, the locking structure is abutted to the ground through the plurality of screws to lock the mobile trolley, and the supporting height of the mobile trolley can be adjusted through the plurality of screws to adapt to the collecting pipelines 12 with different installation heights.
According to a preferred embodiment of the present application, the main collecting duct 10 is fixed to a building structure such as a wall or a ceiling extended in a painting place, and when the range of the painting operation area is determined, an operator rapidly moves a corresponding number of branch collecting ducts 12 to a suitable position for connection with the main collecting duct 10 by means of a moving trolley, and manually rapidly connects the installation position of the main collecting duct 10 and the branch collecting ducts 12 by means of a screw fastener of a manual knob type, so that the branch collecting ducts 12 extend inside or near the painting operation area of the painting place. According to the change of the concrete painting position in the painting operation process, the closing or opening of each air suction port and the air volume of each open air suction port are respectively selected, and the port position of the flexible pipe 131 is moved according to the painting position, so that the waste gas collection operation with high efficiency and high applicability is realized. Thereby compare in traditional waste gas collection scheme, the application provides the waste gas collection system that can assemble of high suitability that the suitability is higher, the collection effect is more ideal, can assemble by hand fast. It is understood that the exhaust gas collection system of the present application can be applied to other exhaust gas collection environments requiring high applicability and expansibility, in addition to the painting places.
The preferred embodiments of the present application have been described in detail above, but the present application is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications all belong to the protection scope of the present application.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in the present application.
In addition, any combination of the various embodiments of the present application is also possible, and the same should be considered as disclosed in the present application as long as it does not depart from the idea of the present application.

Claims (7)

1. A waste gas collecting system that can assemble for spraying paint the place, its characterized in that, this waste gas collecting system that can assemble is used for the main equipment to collect waste gas when the operation of spraying paint, include:
a main collecting duct (10), the main collecting duct (10) being fixedly arranged in the painting place and communicating with a suction source outside the painting place;
at least one branch collecting duct (12), the branch collecting duct (12) being detachably connected to the main collecting duct (10) and extending in or near a painting operation area of the painting place, the branch collecting duct (12) being provided with a plurality of selectively closed or open suction ports, suction volumes of the suction ports being adjustable, at least one suction pipe (13) being connected to the branch collecting duct (12), ports of the suction pipe (13) forming the suction ports, the suction ports being connected to flexible pipes (131), ports of the flexible pipes being adjacent to a painting position in the painting operation area; and
a mobile trolley releasably lockable within the painting booth for supporting and securing the branch collecting conduits (12);
the surface of the main collecting pipeline (10) is provided with a plurality of connecting positions which can be communicated with the branch collecting pipelines (12), and the connecting positions can be closed when not communicated with the branch collecting pipelines (12).
2. The erectable exhaust gas collection system for a paint spray booth as claimed in claim 1, wherein the branch collecting ducts (12) are plural, and the connection position of the branch collecting ducts (12) on the main collecting duct (10) is selectable according to the position of a paint working area within the paint spray booth.
3. The erectable exhaust gas collection system for a paint spray booth as claimed in claim 1, wherein the connection location of the branch collecting duct (12) and the main collecting duct (10) is provided with a manual knob type screw fastener for manually connecting or disconnecting the branch collecting duct (12) and the main collecting duct (10).
4. The erectable exhaust gas collection system for a paint spray booth as claimed in claim 1, wherein the branch collecting ducts (12) are provided in a plurality of sections, and adjacent sections of the branch collecting ducts (12) are connected by a manual duct fastener (11).
5. The collapsible exhaust gas collection system for a painting location according to claim 4, wherein the manual pipe holder (11) comprises a pair of locking rings (111, 111 ') for being fitted over the flange structure of the pipe connection site, the pair of locking rings (111, 111') being hingedly connected to each other at one end and provided with a locking mechanism (112) that can be manually locked or unlocked at the other end.
6. The system of claim 1, wherein the air inlets are distributed in a horizontal plane or in a three-dimensional space surrounding the lower, side and/or upper part of the painting operation area.
7. The erectable exhaust gas collection system for a paint spray booth according to claim 1, wherein an angle α between a suction direction of the suction pipe (13) and a suction direction of the branch collection duct (12) is an acute angle of 30 to 60 degrees.
CN202010724737.3A 2020-07-24 2020-07-24 A waste gas collecting system that can assemble for place of spraying paint Active CN111790692B (en)

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CN202010724737.3A CN111790692B (en) 2020-07-24 2020-07-24 A waste gas collecting system that can assemble for place of spraying paint

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CN111790692B true CN111790692B (en) 2022-07-26

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102537554A (en) * 2012-02-28 2012-07-04 江阴中南重工股份有限公司 High-pressure quick-mount flange
CN204952591U (en) * 2015-09-06 2016-01-13 宿州学院 Exhaust system of processing factory
CN206008298U (en) * 2016-08-15 2017-03-15 东莞市蓝龙环境工程有限公司 A kind of packaged type dedusting exhaust air adsorbing purification device
CN210019180U (en) * 2019-03-11 2020-02-07 包头钢铁(集团)有限责任公司 Workshop vacuum dust collection system
CN210570054U (en) * 2019-08-07 2020-05-19 绍兴电力设备有限公司 Aluminum pole workshop waste gas collection pipeline distribution system
CN210980843U (en) * 2019-05-23 2020-07-10 陶梁卫 Waste gas treatment governing system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011021505A (en) * 2009-07-14 2011-02-03 Aisan Industry Co Ltd Evaporated fuel processing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102537554A (en) * 2012-02-28 2012-07-04 江阴中南重工股份有限公司 High-pressure quick-mount flange
CN204952591U (en) * 2015-09-06 2016-01-13 宿州学院 Exhaust system of processing factory
CN206008298U (en) * 2016-08-15 2017-03-15 东莞市蓝龙环境工程有限公司 A kind of packaged type dedusting exhaust air adsorbing purification device
CN210019180U (en) * 2019-03-11 2020-02-07 包头钢铁(集团)有限责任公司 Workshop vacuum dust collection system
CN210980843U (en) * 2019-05-23 2020-07-10 陶梁卫 Waste gas treatment governing system
CN210570054U (en) * 2019-08-07 2020-05-19 绍兴电力设备有限公司 Aluminum pole workshop waste gas collection pipeline distribution system

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