CN113210181A - Complete equipment for spraying paint on sheet metal of motor vehicle body part and automatic paint spraying method - Google Patents
Complete equipment for spraying paint on sheet metal of motor vehicle body part and automatic paint spraying method Download PDFInfo
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- CN113210181A CN113210181A CN202110629610.8A CN202110629610A CN113210181A CN 113210181 A CN113210181 A CN 113210181A CN 202110629610 A CN202110629610 A CN 202110629610A CN 113210181 A CN113210181 A CN 113210181A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Robotics (AREA)
- Drying Of Solid Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
本发明涉及机动车钣金喷漆修复技术领域，尤其是涉及一种机动车车身部件钣金喷漆成套化设备及自动化喷漆方法。成套化设备通过对单独修复的钣金件进行修复，在喷漆和烘干过程中只要将待修复的钣金件传输至喷涂区和烘干区即可，相对于现有技术中将整车置于喷烤漆房，降低了喷漆区、烘干区的尺寸和能源的消耗。通过喷漆设备对待修复钣金件进行自动化喷漆，避免了喷漆作业对人体的危害。另外，通过废气燃烧设备对喷漆过程中产生的危废气体进行回收，燃烧危废气体量小于现有环保排放标准规定的量，甚至危废气体的排放接近零排放。燃烧净化后的热量气体回收，循环到喷漆和烘干流水线，提供烤漆热量，避免能源浪费，较少费用支出，降低环境染。
The invention relates to the technical field of painting and repairing motor vehicle sheet metal, in particular to a complete set of equipment and an automatic painting method for sheet metal painting of motor vehicle body parts. The complete set of equipment repairs the individually repaired sheet metal parts, and only needs to transfer the sheet metal parts to be repaired to the spraying area and the drying area during the painting and drying process. It is used in the spraying and baking room, which reduces the size and energy consumption of the spraying area and the drying area. Automatic painting is performed on the repaired sheet metal parts by painting equipment, which avoids the harm to the human body caused by the painting operation. In addition, the hazardous waste gas generated during the painting process is recovered through the waste gas combustion equipment, and the amount of the hazardous waste gas is less than the amount specified by the existing environmental protection emission standards, and even the emission of hazardous waste gas is close to zero emission. The heat and gas after combustion and purification are recovered and circulated to the painting and drying lines to provide heat for baking paint, avoid energy waste, reduce costs and reduce environmental pollution.
Description
Technical Field
The invention relates to the technical field of motor vehicle sheet metal repair, in particular to complete set of motor vehicle body part sheet metal paint spraying equipment and an automatic paint spraying method.
Background
The metal plate of the motor vehicle is a technical means for repairing the motor vehicle, and means that the vehicle body needs to be repaired after the motor vehicle is collided, namely all the work except the spraying work for corrosion prevention and decoration is carried out on the vehicle body. Such as the analysis of the damage of the automobile body, the measurement of the automobile body, the shaping of the sheet metal of the automobile body, the stretching correction, the stress relief welding, the assembly of the automobile body accessories, the adjustment and the like.
The existing motor vehicle metal plate maintenance process and equipment:
1) the process flow comprises the following steps: cleaning, shielding, deoiling, removing old paint, scraping putty, polishing putty and old coating, cleaning, deoiling, shielding, spraying middle coating primer, drying, polishing middle coating primer, cleaning, shielding, deoiling, spraying colored paint, spraying varnish, drying, polishing and polishing.
2) Equipment facilities: the motor vehicle appearance part sheet metal paint spraying adopts the whole vehicle to enter a three-dimensional forming paint spraying and baking room, the paint baking process adopts modes of electric heating, fuel oil heating, gas heating and the like to dry the paint, the spraying adopts manual handheld spray gun spraying, and the dangerous waste gas body of the paint spraying adopts an activated carbon adsorption mode to purify.
3) The floor area of the spraying center is about 1 ten thousand square meters calculated by 100 paint surfaces in a single day.
The existing metal plate repair has the defects and problems that:
1) serious pollution: harmful gas in the spraying operation has great harm to operators; hazardous waste gas generated in spraying is single and traditional in purification treatment, and treatment difficulty is high;
2) the energy consumption is high: in the process of spraying the vehicle body appearance part, the vehicle needs to be placed in a paint spraying and baking room for operation, the baking time of single or even multiple pieces of sprayed paint in the paint baking room is basically consistent, and the preheating and baking time of one paint spraying and baking room is about 1.5 hours (the electric heating and baking paint baking room is generally 60 kilowatt hours); the cleaning of the spraying operation surface, the shielding of auxiliary materials and the waste of water are great; the consumption of consumables and electric energy of the plate spraying center month is about 15-20 ten thousand.
3) The equipment maintenance cost is high: the basic maintenance of the baking finish house is to calculate a maintenance period according to the spraying amount, basically, 200 pieces of paint are sprayed in a single baking finish house and need to be maintained once, and air inlet cotton, air outlet cotton and hazardous waste gas purification active carbon need to be replaced for maintenance. The maintenance cost of the plate spraying center month is about 15-20 ten thousand.
4) The occupied area is large: spray center floor area (per day yield for 100 paint surfaces): about 1 ten thousand square meters.
5) The efficiency is low: the spraying operation needs about 50 people (calculated according to the plate spraying center of 100 pieces of paint in a single day output), and when the single vehicle operation surface is used for spraying: about 4 hours for 1 block, about 7 to 8 hours for 2 blocks, about 18 hours for 3 to 5 blocks, and about 36 hours for 6 to 10 blocks.
Disclosure of Invention
The first purpose of the invention is to provide a complete set of metal plate painting equipment for motor vehicle body parts, which can solve the problems of serious pollution and high painting cost in the prior art;
the second purpose of the invention is to provide an automatic paint spraying method, which adopts the complete equipment for spraying the sheet metal of the motor vehicle body part to spray the paint on the sheet metal of the motor vehicle.
The invention provides a complete set of equipment for metal plate paint spraying of motor vehicle body parts, which comprises a spraying area, a drying area and waste gas combustion equipment, wherein the spraying area is used for spraying metal plates;
the spraying area and the drying area are both closed spaces, sheet metal part conveying devices are arranged in the spraying area and the drying area, and the sheet metal part conveying devices are connected with each other;
and a paint spraying device for automatically spraying the sheet metal part to be repaired is arranged in the spraying area;
the spraying area is communicated with the input end of the waste gas combustion equipment through a gas conveying device, and the output end of the waste gas equipment is communicated with the spraying area and the drying area through a heat supply pipeline.
Preferably, the painting equipment is a painting robot.
Preferably, the spraying area comprises a primer spraying station, a color paint spraying station and a varnish spraying station;
the primer spraying station, the color paint spraying station and the varnish spraying station are sequentially arranged according to a paint spraying process.
Preferably, the spraying area comprises two paint spraying stations arranged side by side.
Preferably, the drying area comprises a primer drying station and a drying station;
the primer drying station is arranged at the rear part of the primer spraying station, and the drying station is arranged at the rear part of the varnish spraying station.
Preferably, the drying zone comprises two drying stations arranged side by side.
Preferably, the waste gas combustion equipment comprises a gas filtering device, a gas separation and compression device, a combustor and a heat exchange device;
the gas filtering device is characterized in that a gas inlet of the gas filtering device is communicated with the gas conveying device, a gas exhaust port of the gas filtering device is communicated with the gas separation and compression device, a concentrated gas outlet of the gas separation and compression device is communicated with a gas inlet of the combustor, a gas exhaust port of the combustor is communicated with the heat exchange device, and the heat exchange device is communicated with the drying area heat supply equipment.
An automatic paint spraying method for repairing a motor vehicle metal plate by adopting the motor vehicle metal plate repairing system comprises the following steps:
collecting physical parameters of a sheet metal part to be repaired;
the sheet metal part to be repaired is detached from the vehicle body, and the sheet metal part is subjected to spray painting pretreatment after being shaped;
conveying the pretreated sheet metal part to a spraying area, and automatically spraying the sheet metal part according to physical parameters of the sheet metal part to be repaired;
and conveying the sprayed sheet metal part to a drying area, and controlling the drying process according to the physical parameters of the repaired sheet metal part.
Preferably, the physical parameters of the sheet metal part to be repaired are collected, and the physical parameters comprise a paint spraying position, a paint spraying color and a paint spraying process.
Preferably, the pretreatment of spraying paint for the shaped sheet metal part comprises cleaning, drying, putty scraping, priming paint making and rust prevention.
Has the advantages that:
through restoreing the sheet metal component of individual restoration, the in-process of spraying paint with dry as long as will treat that prosthetic sheet metal component transmit to spraying district and baking area can, arrange the whole car in the room of spraying and baking finish for prior art, reduced the consumption of the size and the energy of spraying district, baking area.
Treat to restore the sheet metal component through paint spraying apparatus and carry out the automation and spray paint, avoided the harm of the operation of spraying paint to the human body.
In addition, the hazardous waste gas generated in the paint spraying process is recovered through waste gas combustion equipment, the amount of the burning hazardous waste gas is less than that specified by the existing environmental protection discharge standard, and even the discharge of the hazardous waste gas is close to zero discharge. The heat gas after combustion and purification is recycled to the paint spraying and drying production line, so that the heat of baking paint is provided, the energy waste is avoided, the cost is low, and the environmental pollution is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a process flow diagram of a motor vehicle sheet metal repair system according to an embodiment of the present invention;
FIG. 2 is a process flow diagram of a paint spraying zone and a drying zone of a motor vehicle sheet metal repair system according to an embodiment of the present invention;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, in the present embodiment, a complete set of equipment for painting sheet metal of a motor vehicle body part is provided, which comprises a painting zone, a drying zone and an exhaust gas combustion device.
The spraying area and the drying area are both closed spaces, sheet metal part conveying devices are arranged in the spraying area and the drying area, and the sheet metal part conveying devices are connected with each other.
And a paint spraying device for automatically spraying the sheet metal part to be repaired is arranged in the spraying area.
The spraying area is communicated with the input end of the waste gas combustion equipment through a gas conveying device, and the output end of the waste gas equipment is communicated with the spraying area and the drying area through a heat supply pipeline.
In this embodiment, through restoreing the sheet metal component of restoreing alone, spray paint and stoving in-process as long as will treat that prosthetic sheet metal component transmit to spraying district and baking area can, arrange the whole car in the spray baking finish house for prior art, reduced the consumption of the size and the energy of spraying district, baking area.
Treat to restore the sheet metal component through paint spraying apparatus and carry out the automation and spray paint, avoided the harm of the operation of spraying paint to the human body.
In addition, the hazardous waste gas generated in the paint spraying process is recovered through waste gas combustion equipment, the amount of the burning hazardous waste gas is less than that specified by the existing environmental protection discharge standard, and even the discharge of the hazardous waste gas is close to zero discharge. The heat gas after combustion and purification is recycled to the paint spraying and drying production line, so that the heat of baking paint is provided, the energy waste is avoided, the cost is low, and the environmental pollution is reduced.
The painting equipment is a painting robot, which is arranged in the painting zone. The painting robot is capable of performing a painting process according to a set program, which is a well-established technique and will not be described in detail here.
The spraying area comprises a primer spraying station, a color paint spraying station and a varnish spraying station. The primer spraying station, the color paint spraying station and the varnish spraying station are sequentially arranged according to a paint spraying process.
It should be noted that: the primer spraying station, the color paint spraying station and the varnish spraying station are arranged in sequence according to a paint spraying process, which means that the primer spraying station, the color paint spraying station and the varnish spraying station are arranged in sequence according to the paint spraying process, and the sequence of the paint spraying processes does not mean that the processes are sequentially connected.
The spraying district includes two spraying paint stations that set up side by side, and spraying paint is longer for the time that other technologies of panel beating restoration need, and through the setting of two spraying paint stations, two spraying paint stations can the collaborative work, can improve spraying paint's production efficiency.
The drying area comprises a primer drying station and a drying station.
The primer drying station is arranged at the rear part of the primer spraying station, and the drying station is arranged at the rear part of the varnish spraying station.
The drying zone comprises two drying stations arranged side by side. Two stoving stations set up side by side, and two stoving stations can the collaborative work, can improve drying efficiency.
In addition, a water mill, a finishing station, a water mill, a water washing station and an air drying station are further arranged at the rear part of the primer drying station, and the stations can be set and adjusted according to the requirements of a paint spraying process.
In addition, the sheet metal parts to be repaired in and among all the stations are conveyed through the conveying device.
The conveying means may be a conveyor belt, a conveyor roller, or the like.
Wait to restore the sheet metal component and transmit to each station in proper order through conveyer to corresponding processing, can carry out a plurality of processing of waiting to restore the sheet metal component simultaneously at each station, if the setting through a plurality of paint spraying apparatus in the spraying district, can carry out a plurality of spraying paint of waiting to restore the sheet metal component simultaneously, can dry through a plurality of sheet metal components of waiting to restore in the stoving region.
Taking the drying of the sheet metal parts as an example, the sheet metal parts are repaired to the conveying belt of the drying area at intervals of set time or continuously, the sheet metal parts are dried while moving in the drying area, and finally, the streamlined production is realized.
Specifically, the drying area is a long strip-shaped structure, a conveying belt is arranged in the long strip-shaped structure, the sheet metal part to be dried is dried in the conveying process from one end of the conveying belt, and the sheet metal part to be dried is continuously conveyed into the drying area.
The spraying area and the drying area are closed spaces, and the method comprises the following steps: the spraying area and the drying area are provided with a space with an inlet and an outlet, when the conveying belt conveys the workpiece to be repaired to the spraying area and the drying area, the inlet and the outlet of the spraying area and the inlet and the outlet of the drying area are closed, and the spraying area and the drying area form a closed space.
In addition, the spraying area, the drying area, the conveyor belt and other equipment are all connected with a control system, the control system is used for controlling the work of each area or station, for example, the control system controls the work process of the paint spraying equipment, the temperature values in the spraying area and the drying area, the conveying speed of the conveying device and the like according to preset parameters. Finally, the artificial intelligent spraying assembly line operation is achieved.
The waste gas combustion equipment comprises a gas filtering device, a gas separation and compression device, a combustor and a heat exchange device.
The gas filtering device is characterized in that a gas inlet of the gas filtering device is communicated with a gas conveying device, a gas outlet of the gas filtering device is communicated with a gas separation and compression device, a concentrated gas outlet of the gas separation and compression device is communicated with a gas inlet of a combustor, the gas outlet of the combustor is communicated with a heat exchange device, and the heat exchange device is communicated with a drying area heat supply device.
The gas conveying device comprises gas collecting hoods arranged in the spraying area and the drying area, pipelines communicated with the gas collecting hoods and the drying area, and fans arranged in the gas collecting hoods or the pipelines. The negative pressure is generated in the gas conveying device under the action of the fan, and the gas in the spraying area and the drying area is conveyed to the gas filtering device under the action of the negative pressure.
The gas filtering device comprises a filter screen and the like, and angular particles in the waste gas are filtered through the filter screen.
The gas separation and compression device is a zeolite roller compression device, and can separate the evolved air from the polluted gas and concentrate and convey the polluted gas to the combustor for combustion.
The combustor is an RTO combustor, the combusted gas is conveyed to the heat exchange device, the heat exchange device is a gas-liquid heat exchanger, a gas-gas heat exchanger and a gas distributor, circulating water and air in the heat exchange device absorb heat in flue gas discharged by the combustor and then circulate to the spraying area and the drying area for supplying heat, or the gas distributor transmits pollution-free gas generated by the RTO combustor to the spraying area or the drying area respectively.
The water temperature or air temperature supplied to the spraying area by the heat exchange device is 20-30 ℃, and the water temperature or air temperature supplied to the drying area by the heat exchange device is 60-80 ℃.
In addition, the motor vehicle sheet metal repairing system is also sequentially provided with a construction sheet making area and a sheet metal part pretreatment area to be repaired (a pre-spraying part arranging area) before the spraying area, data acquisition of the sheet metal part to be repaired is carried out in the construction sheet making area, and processes of sheet metal part dismounting, repairing, replacing, sheet metal, putty scraping and the like are carried out in the sheet metal part pretreatment area to be repaired.
A sorting detention area, an installation area and a quality inspection vehicle-handing area are sequentially arranged at the rear part of the drying area;
the sorting detention area is used for storing the repaired sheet metal part; the mounting area is used for mounting the repaired sheet metal part on the vehicle body; and the quality inspection vehicle delivery area is used for quality inspection and delivery of the repaired vehicle.
In the present embodiment, there is also provided an automatic paint spraying method using the complete set of equipment for spraying metal plates of automotive body parts as described above, comprising the steps of:
collecting physical parameters of a sheet metal part to be repaired;
the sheet metal part to be repaired is detached from the vehicle body, and the sheet metal part is subjected to spray painting pretreatment after being shaped;
conveying the pretreated sheet metal part to a spraying area, and automatically spraying the sheet metal part according to physical parameters of the sheet metal part to be repaired;
and conveying the sprayed sheet metal part to a drying area, and controlling the drying process according to the physical parameters of the repaired sheet metal part.
The physical parameters of the sheet metal part to be repaired are collected, wherein the physical parameters comprise a paint spraying position, a paint spraying color and a paint spraying process.
In addition, the baking finish parts are mainly distinguished aiming at the vehicle to be repaired, and the vehicle is divided into replacement, repair and non-detachable parts according to the baking finish parts and the damaged condition;
when the paint baking part is seriously damaged or the repair cost is higher than the replacement cost, the part needing paint baking is directly replaced.
And when the damage of the varnish baking part is light or the repair cost is lower than the replacement cost, the sheet metal part to be repaired is detached from the vehicle, and the motor vehicle sheet metal repair system is repaired.
When the sheet metal part of the motor vehicle is an undetachable part, the sheet metal is repaired by adopting the existing method.
The method for removing the sheet metal part needing repairing from the vehicle body comprises the following steps:
1. dismantling the parts needing to be replaced or repaired;
2. repairing and shaping the repairing part;
3. and (4) performing data proofreading comparison (component data model infrared comparison) on the well-shaped component to ensure the quality of the repaired component.
And the pre-painting treatment of the shaped sheet metal part comprises cleaning, drying, putty scraping, priming paint making and rust prevention treatment. The method specifically comprises the following steps:
1. cleaning and drying the paint spraying and baking part;
2. inspecting a new piece, and placing the new piece into a region to be sprayed;
3. and (5) putty scraping of the repair part, primary coating and rust prevention treatment.
The automatic spraying of the sheet metal part comprises the following steps:
the supply amount and the type of paint of the robot are accurately controlled by integrating and analyzing input signal information;
and aiming at the integration and analysis of input signal information, the automatic paint spraying program of the robot is accurately controlled.
The drying of the sheet metal part comprises the following steps
And aiming at the integration and analysis of input signal information, action nodes of a drying area are accurately controlled (realized by controlling the moving speed of a drying and conveying device), and high-temperature quick paint baking is guaranteed.
Sorting detention zone
Aiming at the integration and analysis of input signal information, the action node of the sorting detention area is accurately controlled (realized by controlling the moving speed of a conveyor belt of the sorting detention area), and the ordered entering of products into the next node is ensured
Mounting area
Aiming at the integration and analysis of input signal information, a sprayed product is accurately installed, and vehicle maintenance is guaranteed (at the moment, a vehicle to be installed is accurately parked in a standard installation area);
the condition of the vehicle after the installation is checked, and the vehicle maintenance is guaranteed to be qualified and reach the standard
Quality inspection traffic area
Checking the completion state of vehicle maintenance according to the input signal information, checking the vehicle to be maintained according to a standard quality inspection method, and handing over after the vehicle is qualified.
An exhaust gas combustion apparatus: the waste gas purification and heat circulation are accurately completed according to the control system output signal waste gas combustion equipment:
gas circulation process:
1. the main sources of organic waste gases: dust and volatile waste gas (slight) in the preparation area of the pre-spraying part; organic waste gas (moderate) in the spray area; organic off-gas (mild) from the drying zone;
2. removing large particles from the waste gas by a filtering device;
3. the waste gas is concentrated by the zeolite roller and then is ensured to be input into the concentration of the waste gas of the RTO system, so that the waste gas is purified by the burning of the RTO system without energy consumption.
4. Purify gas up to standard and export each district of production line through heat exchanger, the purpose that reaches the equipment waste gas combustion apparatus of recycling is:
1. strictly controlling the indexes of organic waste gas entering and exiting the purification system, practically ensuring that the waste gas purification reaches the standard
2. Reasonably utilized and purified gas reaching the standard is recycled, and energy loss is reduced
3. The heat exchange system ensures that the air inlet temperature and the air inlet amount of the drying area and the spraying area can be accurately supplied.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
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| CN202110629610.8A CN113210181A (en) | 2021-06-07 | 2021-06-07 | Complete equipment for spraying paint on sheet metal of motor vehicle body part and automatic paint spraying method |
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| CN202110629610.8A CN113210181A (en) | 2021-06-07 | 2021-06-07 | Complete equipment for spraying paint on sheet metal of motor vehicle body part and automatic paint spraying method |
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