CN111790692A - A waste gas collecting system that can assemble for spraying paint place - Google Patents
A waste gas collecting system that can assemble for spraying paint place Download PDFInfo
- Publication number
- CN111790692A CN111790692A CN202010724737.3A CN202010724737A CN111790692A CN 111790692 A CN111790692 A CN 111790692A CN 202010724737 A CN202010724737 A CN 202010724737A CN 111790692 A CN111790692 A CN 111790692A
- Authority
- CN
- China
- Prior art keywords
- painting
- collecting duct
- branch
- duct
- suction
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing 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
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (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 collecting duct with suction source intercommunication with be provided with at least one branch collecting duct detachably connected of induction port to the waste gas collection scheme that is used for the place of spraying paint that the collection effect that provides a suitability is higher is more ideal.
Description
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 great deal of waste disposal is generated, such as cooling fluids 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 large products are painted, serious contamination problems, such as painting of aircraft, are more likely to occur.
Conventionally, suction devices have been provided at the painting sites in order to collect and treat the exhaust air within the painting sites, 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 the application, a waste gas collecting system for painting place can assemble is proposed, its characterized in that, 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 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, the connection position of the branch collecting duct and the main collecting duct is provided with a manual knob type screw fastener 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, and a port of the flexible tube is adjacent to a painting position in the painting operation area.
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 inside or near extension of the painting operation district in painting place, the suction source outside the air injection place that is linked together through with main collection pipeline provides suction, collect the waste gas in painting operation district by setting up in a plurality of optional closed or open induction mouths of a collection pipeline, wherein at least one collection pipeline is connected with main collection pipeline detachably to can adjust the hookup location of a collection pipeline on main collection pipeline according to the distribution in painting operation district, and then provide the waste gas collection scheme that is used for painting place that the 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, illustrate an embodiment of the invention and, together with the description, serve to explain the invention. 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 paint spray booth, the collapsible exhaust collection system 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 arranging trench exhaust in the 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 reconstruction of the 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, partial or whole waste gas collection can be performed in a targeted manner during the paint spraying operation, 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 amount of the air suction ports can be adjustable, so that the waste gas collecting performance of the assembled waste gas collecting system can be fully utilized by adjusting the air suction amount 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 that can communicate with the branch collecting ducts 12 and that are closable when not communicating with the branch collecting ducts 12. Wherein, the air suction port of each branch collecting duct 12 can 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 opening is opened, and the air suction port far away from the painting opening is closed, thereby further improving 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 an operator to manually perform a quick assembling operation of the main collecting duct 10 and the branch collecting duct 12. The manual knob-type threaded fastener may be a separate fastener which, in use, is secured between the branch collecting duct 12 and the main collecting duct 10; 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 branch collecting ducts 12 may have different lengths 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 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, side and/or upper part of the painting operation area. Preferably, the branch collecting pipes 12 with different air suction port distribution modes can be used in a matching way, so that the system is suitable for different working conditions and environments, and the overall applicability of the 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 collection system may include a mobile trolley releasably lockable within the spray booth 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 moving structure such as a universal wheel that is easily moved to enable the mobile trolley and its supported branch collecting ducts 12 to be rapidly moved to install or remove the branch collecting ducts 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 will be appreciated that the exhaust collection system of the present application is applicable to other exhaust collection environments where high availability and expandability are required, in addition to being used in painting locations.
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 (10)
1. A exhaust gas collection system that can assemble for paint spraying place, its characterized in that, this exhaust gas collection system that can assemble includes:
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; 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 a painting operation area of the painting location, the branch collecting duct (12) being provided with a plurality of selectively closed or open suction ports, the suction amount of the suction ports being adjustable.
2. The erectable exhaust gas collection system for a paint spray booth according to claim 1, wherein the branch collecting duct (12) is plural, and a connection position of the branch collecting duct (12) to the main collecting duct (10) is selectable according to a position of a paint working area within the paint spray booth.
3. The assemblable exhaust gas collecting system for a painting place according to claim 1, wherein the connection position of the branch collecting duct (12) and the main collecting duct (10) is provided with a screw holder of a manual knob type for manually connecting or disconnecting the branch collecting duct (12) and the main collecting duct (10).
4. The system for collecting exhaust air which can be assembled for use in a painting location according to claim 1, wherein the branch collecting ducts (12) are provided in a plurality of sections, and adjacent two 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. A modular exhaust collection system for a paint spray booth as claimed in claim 1, wherein the air intakes are distributed in the same horizontal plane or in a three dimensional space around the underside, side and/or top of the paint spray application area.
7. The system according to claim 1, characterized in that at least one suction duct (13) is connected to the branch collecting duct (12), the port of the suction duct (13) forming the suction opening.
8. The erectable exhaust gas collection system for a paint spray booth according to claim 7, 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.
9. The erectable exhaust air collection system for a paint spray booth as claimed in claim 7, wherein a flexible tube (131) is connected to the air suction opening, the port of the flexible tube being adjacent to a paint spray location within the paint spray work area.
10. The system of claim 1, comprising a mobile trolley releasably lockable within the painting location for supporting and securing the branch collection conduit (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724737.3A CN111790692B (en) | 2020-07-24 | 2020-07-24 | A waste gas collecting system that can assemble for place of spraying paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724737.3A CN111790692B (en) | 2020-07-24 | 2020-07-24 | A waste gas collecting system that can assemble for place of spraying paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111790692A true CN111790692A (en) | 2020-10-20 |
| CN111790692B CN111790692B (en) | 2022-07-26 |
Family
ID=72827797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010724737.3A Active CN111790692B (en) | 2020-07-24 | 2020-07-24 | A waste gas collecting system that can assemble for place of spraying paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111790692B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011021505A (en) * | 2009-07-14 | 2011-02-03 | Aisan Industry Co Ltd | Evaporated fuel processing device |
| 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 |
-
2020
- 2020-07-24 CN CN202010724737.3A patent/CN111790692B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011021505A (en) * | 2009-07-14 | 2011-02-03 | Aisan Industry Co Ltd | Evaporated fuel processing device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111790692B (en) | 2022-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6143048A (en) | Portable air pollution capture apparatus with painting tray | |
| CN101062497B (en) | Paint booth | |
| US20220314260A1 (en) | Portable Variable Volume Paint Spray Enclosure and Air Scrubber; Method for Constructing a Paint Spray Enclosure and Air Scrubber | |
| CN111570157A (en) | Paint mist filtering system | |
| CN111790692B (en) | A waste gas collecting system that can assemble for place of spraying paint | |
| CN112354283A (en) | Device for separating paint mist sprayed and paint mist separation system with device | |
| CN111871078A (en) | Split type multicavity air cleaner | |
| CA2597279A1 (en) | Localised extraction system | |
| CN215279101U (en) | Ventilation cabinet circulation guide equipment for laboratory | |
| CN108043614A (en) | Automatic liquid coating flow control type spray gun | |
| JPH08219511A (en) | Small environment for dangerous manufacture tool | |
| CN219400744U (en) | Dry type overspray spray separation system | |
| CN218508208U (en) | Spraying mechanism convenient to spraying polymorphic type safety identification line | |
| CA1131122A (en) | Device for burning crude oil | |
| CN207343061U (en) | Secondary recovery and filtration apparatus after a kind of powder coating powder spraying chamber discharge | |
| CN114392983A (en) | Cleaning device | |
| CN211133387U (en) | Atomizing dust fall machine for highway construction | |
| CN211036847U (en) | A dust device for construction | |
| CN219560190U (en) | Spraying system | |
| CN105352098A (en) | Fume hood for dry-ice decontamination system for nuclear power | |
| JP2020007717A (en) | Dismantling method of structure | |
| JPS6258783B2 (en) | ||
| CN221752637U (en) | Spraying sound insulation house dust removal filtration equipment | |
| CN213435118U (en) | Pipeline epoxy powder spraying recovery room | |
| CN220195634U (en) | Air inlet valve plate structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |