CN114984678A - Waste gas collecting and treating device - Google Patents
Waste gas collecting and treating device Download PDFInfo
- Publication number
- CN114984678A CN114984678A CN202210693552.XA CN202210693552A CN114984678A CN 114984678 A CN114984678 A CN 114984678A CN 202210693552 A CN202210693552 A CN 202210693552A CN 114984678 A CN114984678 A CN 114984678A
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- Prior art keywords
- waste gas
- gas collecting
- gas
- collecting hood
- waste
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- 239000002912 waste gas Substances 0.000 title claims abstract description 90
- 239000007789 gas Substances 0.000 claims abstract description 124
- 239000003973 paint Substances 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000002699 waste material Substances 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 50
- 238000001179 sorption measurement Methods 0.000 claims description 42
- 238000002485 combustion reaction Methods 0.000 claims description 35
- 238000003795 desorption Methods 0.000 claims description 23
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 239000010815 organic waste Substances 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims 1
- 238000010422 painting Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000005488 sandblasting Methods 0.000 description 4
- 206010010904 Convulsion Diseases 0.000 description 3
- 230000036461 convulsion Effects 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 201000010001 Silicosis Diseases 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
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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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- 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
- B01D46/56—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
- 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
- B01D46/62—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 series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a waste gas collecting and treating device which comprises a gas collecting hood, a waste gas treating device and a waste gas collecting pipe, wherein one end of the gas collecting hood is open, the gas collecting hood and the waste gas treating device are mutually communicated through the waste gas collecting pipe, the gas collecting hood is also provided with a sensor, a sealing layer, an air inlet and a filter screen, the sensor is arranged at the upper end and the lower end of the gas collecting hood, the sealing layer is arranged at the opening end of the gas collecting hood and used for preventing sprayed waste gas from overflowing from the inside of the gas collecting hood, the air inlet is arranged on the sealing layer and used for preventing the inside of the gas collecting hood from forming vacuum, and the filter screen is arranged inside the gas collecting hood and positioned at the connecting part of the gas collecting hood and the waste gas collecting pipe and used for filtering waste paint generated in vertical spraying. The invention can be matched with a robot specially used for painting, can prevent waste paint from overflowing and carry out harmless treatment on waste gas generated by painting when painting, and improves the environmental protection and the protection of painters.
Description
Technical Field
The invention relates to the technical field of paint spraying, in particular to a waste gas collecting and treating device.
Background
Aiming at the operations of sand blasting, rust removing, paint spraying and the like on the surfaces of ships and large-scale oil storage tanks, the currently commonly adopted manual work stands on an overhead working truck for manual grinding, manual sand blasting, manual paint spraying or paint spraying by a mechanical arm, and the operation mode mainly has the following defects:
the environment is damaged: the traditional manual high-altitude operation construction mode cannot be matched with environment-friendly equipment, a large amount of dust and waste sand are generated during sand blasting, a large amount of organic waste gas and over-sprayed paint mist are generated during paint spraying, the pollution is serious, and the environmental damage is huge;
harming the physical health of workers: in the traditional manual overhead operation construction mode, because environmental protection equipment cannot be matched, a large amount of dust is generated during sand blasting, so that workers are prone to silicosis; a large amount of organic waste gas generated during paint spraying can directly damage the nervous system and cardiovascular system of workers and seriously damage the health of the workers.
Disclosure of Invention
The invention provides a waste gas collecting and treating device which can be matched with a robot specially used for painting, can prevent waste paint from overflowing and carry out harmless treatment on waste gas generated by painting when painting, and improves the environmental protection and the protection of painters.
In order to achieve the purpose, the invention adopts the following technical scheme:
a waste gas collecting and treating device comprises a gas collecting hood, a waste gas treating device and a waste gas collecting pipe, wherein one end of the gas collecting hood is open and is used for collecting paint spraying mist and organic waste gas generated in a spraying process, the gas collecting hood and the waste gas treating device are mutually communicated through the waste gas collecting pipe, the waste gas treating device is used for performing innocent treatment on the waste gas and giving negative pressure suction to the waste gas collecting pipe, the gas collecting hood is also provided with a sensor, a sealing layer, an air inlet and a filter screen, the sensor is arranged at the upper end and the lower end of the gas collecting hood and is used for sensing the distance between the gas collecting hood and a spraying vertical face, the sealing layer is arranged at the open end of the gas collecting hood and is used for preventing the sprayed waste gas from overflowing from the inside of the gas collecting hood, the air inlet is arranged on the sealing layer and is used for preventing the inside of the gas collecting hood from forming vacuum, the filter screen is arranged in the inside of the gas collecting hood and is positioned at the joint of the gas collecting hood and the waste gas collecting pipe, used for filtering waste paint generated when the vertical surface is sprayed.
As preferred, exhaust treatment device includes box and a plurality of connecting pipe, from beginning to set gradually filtering mechanism, gas pocket baffle, waste gas adsorption device, convulsions mechanism, desorption combustion mechanism to the box tail end with waste gas collecting pipe link in the box, convulsions mechanism is used for providing the adsorption affinity of collecting waste gas and discharges the gas of handling through desorption combustion mechanism, filtering mechanism is arranged in filtering the particulate matter in the waste gas, waste gas adsorption device is arranged in adsorbing the vocs composition that purifies in the waste gas, desorption combustion mechanism is used for providing steam and carries out burning catalytic treatment to waste gas in to waste gas adsorption device, between desorption combustion mechanism and the waste gas adsorption device and between desorption combustion mechanism and the convulsions mechanism all communicate through the connecting pipe.
Preferably, the filter mechanism has at least one group, and is arranged in the box body.
Preferably, the filtering mechanism comprises a plate filter and a bag filter, the plate filter is connected with the inner wall of the box body, and the bag filter is arranged on the plate filter.
Preferably, the air exhaust mechanism comprises an air exhaust fan and a discharge pipeline, one end of the discharge pipeline is open, one open end of the discharge pipeline penetrates through the upper surface of the box body and extends outwards, the air exhaust fan is used for discharging gas exhausted by the air exhaust fan and gas exhausted by the desorption combustion mechanism, and the air exhaust fan is arranged on the discharge pipeline.
Preferably, the desorption combustion mechanism comprises a combustion catalyst and an adsorption fan, the combustion catalyst is communicated with the exhaust gas adsorption device and the discharge pipeline through connecting pipes and is used for providing hot gas for the exhaust gas adsorption device and discharging the treated gas, and the adsorption fan is communicated with the exhaust gas adsorption device through connecting pipes and is used for adsorbing the gas desorbed in the exhaust gas adsorption device and conveying the gas to the combustion catalyst for treatment.
Preferably, the filter screen is a silicon-free fiber screen layer.
Preferably, the exhaust gas collection pipe is a flexible pipe.
Preferably, the device also comprises a movable trolley, and the exhaust gas treatment device is arranged on the movable trolley.
Preferably, the moving trolley is provided with a paint supply pump and a paint mixing device.
Compared with the prior art, the invention has the beneficial effects that: the waste gas treatment device provides negative pressure suction force into the gas collecting hood, so that when paint is sprayed in the gas collecting hood, generated waste gas can be collected through the gas collecting hood and conveyed into the waste gas treatment device for harmless treatment; the sensor arranged on the gas collecting hood can accurately sense the distance between the gas collecting hood and the spraying vertical face, so that the distance between the gas collecting hood and the spraying vertical face can be effectively controlled, and the gas collecting effect of the gas collecting hood is further improved; the sealing layer is provided with the air inlet, so that vacuum can be prevented from being formed in the gas collecting hood, and the collection of waste gas by the gas collecting hood is influenced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the exhaust gas treatment device according to the present invention;
FIG. 3 is a schematic view of a partial structure A of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element/feature is referred to as being "disposed on" another element/feature, it can be directly on the other element/feature or intervening elements/features may also be present. When a component/part is referred to as being "connected/coupled" to another component/part, it can be directly connected/coupled to the other component/part or intervening components/parts may also be present. The term "connected/coupled" as used herein may include electrical and/or mechanical physical connections/couplings. The term "comprises/comprising" as used herein refers to the presence of features, steps or components/features, but does not preclude the presence or addition of one or more other features, steps or components/features. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Referring to fig. 1 to 3, a waste gas collecting and treating device comprises a gas collecting hood 1, a waste gas treating device 3 and a waste gas collecting pipe 2, wherein one end of the gas collecting hood 1 is open and is used for collecting paint mist and organic waste gas generated in a spraying process, the gas collecting hood 1 and the waste gas treating device 3 are communicated with each other through the waste gas collecting pipe 2, the waste gas treating device 3 is used for performing innocent treatment on the waste gas and providing negative pressure suction to the waste gas collecting pipe 2, a sensor 4, a sealing layer 5, a gas inlet 6 and a filter screen 7 are further arranged on the gas collecting hood 1, the sensor 4 is arranged at the upper end and the lower end of the gas collecting hood 1 and is used for sensing the distance between the gas collecting hood 1 and a spraying vertical face, so that the distance between the gas collecting hood 1 and the spraying vertical face can be more accurately controlled, the distance between the gas collecting hood 1 and the spraying vertical face is preferably controlled to be 5-20mm, preferably 10mm, the sealing layer 5 is arranged at the opening end of the gas collecting hood 1, the exhaust gas used for preventing spraying overflows from the interior of the gas collecting hood 1, the gas inlet 6 is arranged on the sealing layer 5 and used for preventing the interior of the gas collecting hood 1 from forming vacuum, the gas inlet 6 is a labyrinth type gas inlet and is distributed on the sealing layer 5, the filter screen 7 is arranged in the gas collecting hood 1 and is positioned at the joint of the gas collecting hood 1 and the exhaust gas collecting pipe 2, the filter screen 7 is a silicon-free fiber net layer and is used for filtering waste paint generated when a vertical face is sprayed, and the waste paint is prevented from being accumulated in the exhaust gas collecting pipe 2, so that the use is influenced.
When specifically using, gas collecting channel 1 can cooperate the robot or the manipulator that sprays paint, carry out the operation of spraying paint with robot or manipulator setting in gas collecting channel 1, and gas collecting channel 1 through the information control that sensor 4 response obtained well and with the distance of spraying facade, prevent totally closed or apart from the too big clearance, thereby influence the collection of waste gas, the waste gas that gas collecting channel 1 collected filters through filter screen 7 and filters the waste paint that mixes with waste gas, then enter into waste gas treatment device 3 through exhaust gas collecting pipe 2 and carry out innocent treatment and emission, the negative pressure suction of gas collecting channel 1 is provided by exhaust gas treatment device 3.
In specific work, ventilation mechanism 36 provides suction and inhales waste gas into box 31, waste gas adsorbs the particulate matter through filter mechanism 33 earlier, then waste gas enters into waste gas adsorption device 35 and adsorbs the purification, its waste gas adsorption device 35 is known technology, it is zeolite runner device or active carbon adsorption device, no longer give consideration to here too much, desorption combustion mechanism 37 carries approximately 200 degrees centigrade hot gas to waste gas adsorption device 35 in through connecting pipe 32, make the desorption of VOCS composition in the waste gas adsorption device 35 get off, VOCS composition enters into desorption combustion mechanism 37 through another connecting pipe 32 and burns catalysis for harmless carbon dioxide and water, and then carry out the emission on ventilation mechanism 36 through connecting pipe 32, realize innocent treatment and emission, improve the environmental protection.
The filtering mechanism 33 has at least one group, is arranged in the box body 31, and can be provided with multi-stage filtering according to requirements. The filter mechanism 33 includes a plate filter 331 and a bag filter 332, the plate filter 331 is connected to an inner wall of the case 31, and the bag filter 332 is provided on the plate filter 331.
The air suction mechanism 36 includes an air suction fan 362 and a discharge duct 361, the discharge duct 361 having an open end and an open end extending outwardly through the upper surface of the case 31 for discharging the gas sucked by the air suction fan 362 and the gas discharged from the desorption combustion mechanism 37, the air suction fan 362 being provided on the discharge duct 361. In operation, the suction fan 362 discharges the extracted gas through a discharge conduit 361.
The desorption combustion mechanism 37 includes a combustion catalyst 371 and an adsorption fan 372, the combustion catalyst 371 is communicated with the exhaust gas adsorption device 35 and the discharge pipeline 361 through the connection pipe 32 for providing hot gas to the exhaust gas adsorption device 35 and discharging the treated gas, and the adsorption fan 372 is communicated with the exhaust gas adsorption device 35 through the connection pipe 32 for adsorbing the gas desorbed from the exhaust gas adsorption device 35 and delivering the gas to the combustion catalyst 371 for treatment. In the specific work time, the connecting pipe 32 can be divided into a hot air pipe, an adsorption pipe and a discharge pipe, the combustion catalyst 371 carries heat to the waste gas adsorption device 35 through the hot air pipe, VOCS components are desorbed, then the adsorption fan 372 adsorbs the VOCS components through the adsorption pipe and carries the VOCS components to the combustion catalyst 371 for catalysis, and the catalyzed gas is discharged from the discharge pipe to the discharge pipeline 361.
The waste gas collecting pipe 2 is a soft pipeline and further comprises a moving trolley 8, and the waste gas treatment device 3 is arranged on the moving trolley 8 and can be conveniently moved. The moving trolley 8 is provided with a paint supply pump 9 and a paint mixing device 10, and the paint mixing device 10 is a paint mixing tank or other paint mixing equipment.
The waste gas treatment device 3 of the invention provides negative pressure suction to the gas-collecting hood 1, so that when spraying paint in the gas-collecting hood 1, the generated waste gas can be collected by the gas-collecting hood 1 and conveyed to the waste gas treatment device 3 for harmless treatment; the sensor 4 arranged on the gas-collecting hood 1 can accurately sense the distance between the gas-collecting hood 1 and the spraying vertical surface, so that the distance between the gas-collecting hood 1 and the spraying vertical surface can be effectively controlled, and the gas-collecting effect of the gas-collecting hood 1 is further improved; the sealing layer 5 is provided with the air inlet 6, so that the formation of vacuum in the gas collecting hood 1 can be avoided, and the collection of waste gas by the gas collecting hood 1 is influenced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. A waste gas collecting and treating device is characterized by comprising a gas collecting hood, a waste gas treating device and a waste gas collecting pipe, wherein one end of the gas collecting hood is open and used for collecting paint spraying mist and organic waste gas generated in the spraying process, the gas collecting hood and the waste gas treating device are mutually communicated through the waste gas collecting pipe, the waste gas treating device is used for carrying out innocent treatment on the waste gas and giving negative pressure suction to the waste gas collecting pipe, the gas collecting hood is also provided with a sensor, a sealing layer, an air inlet and a filter screen, the sensor is arranged at the upper end and the lower end of the gas collecting hood and used for sensing the distance between the gas collecting hood and a spraying vertical face, the sealing layer is arranged at the open end of the gas collecting hood and used for preventing the sprayed waste gas from overflowing from the inside of the gas collecting hood, the air inlet is arranged on the sealing layer and used for preventing the inside of the gas collecting hood from forming vacuum, the filter screen is arranged in the gas collecting hood and positioned at the joint of the gas collecting hood and the waste gas collecting pipe, used for filtering waste paint generated when the vertical surface is sprayed.
2. The waste gas collecting and processing device as claimed in claim 1, wherein the waste gas processing device comprises a box body and a plurality of connecting pipes, a filtering mechanism, an air hole baffle plate, a waste gas adsorption device, an air draft mechanism and a desorption combustion mechanism are sequentially arranged from the end connected with the waste gas collecting pipe to the tail end of the box body in the box body, the air draft mechanism is used for providing adsorption force for collecting waste gas and discharging gas processed by the desorption combustion mechanism, the filtering mechanism is used for filtering particles in waste gas, the waste gas adsorption device is used for adsorbing vocs components in purified waste gas, the desorption combustion mechanism is used for providing hot gas to the waste gas adsorption device and carrying out combustion catalytic treatment on the waste gas, and the desorption combustion mechanism is communicated with the waste gas adsorption device and the desorption combustion mechanism and the air draft mechanism through the connecting pipes.
3. The exhaust collection device of claim 2, wherein at least one of the filter mechanisms is disposed within the housing.
4. The exhaust gas collecting and treating device according to claim 2, wherein the filter mechanism includes a plate filter and a bag filter, the plate filter is connected to the inner wall of the box body, and the bag filter is disposed on the plate filter.
5. The exhaust gas collecting and treating device according to claim 4, wherein the air draft mechanism comprises an air draft fan and a discharge pipe, the discharge pipe is open at one end, the open end of the discharge pipe extends outwards through the upper surface of the box body and is used for discharging the gas pumped by the air draft fan and desorbing the gas discharged by the combustion mechanism, and the air draft fan is arranged on the discharge pipe.
6. The exhaust gas collecting and treating device according to claim 5, wherein the desorption combustion mechanism comprises a combustion catalyst and an adsorption fan, the combustion catalyst is communicated with the exhaust gas adsorption device and the discharge pipeline through a connecting pipe for supplying hot gas to the exhaust gas adsorption device and discharging treated gas, and the adsorption fan is communicated with the exhaust gas adsorption device through a connecting pipe for adsorbing the gas desorbed from the exhaust gas adsorption device and delivering the gas to the combustion catalyst for treatment.
7. The exhaust collection treatment device of claim 1, wherein the filter screen is a silicon-free fiber web layer.
8. The exhaust collection treatment device of claim 1, wherein the exhaust collection pipe is a flexible pipe.
9. The exhaust collection treatment device of any one of claims 1-8, further comprising a mobile cart, wherein the exhaust treatment device is disposed on the mobile cart.
10. The exhaust gas collecting and treating device as claimed in claim 9, wherein the moving trolley is provided with a paint supply pump and a paint mixing device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627250 | 2022-06-02 | ||
| CN2022106272502 | 2022-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114984678A true CN114984678A (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210693552.XA Pending CN114984678A (en) | 2022-06-02 | 2022-06-17 | Waste gas collecting and treating device |
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| CN (1) | CN114984678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115715911A (en) * | 2022-11-24 | 2023-02-28 | 舟山中远海运重工有限公司 | A purifier is collected to waste gas for among boats and ships repair application process |
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