JP2005342584A - Car body sheet metal coating booth for gas station, and car body sheet metal coating method using the same in gas station - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a booth capable of stably performing car body sheet metal coating operation in the site of a gas station. <P>SOLUTION: This booth comprises: a car body metal sheet coating space for sheet metal coating; a top cover part provided in the upper part of the car body sheet metal coating space; an explosion prevention intake fan provided at the top cover part and taking the air into the car body sheet metal coating space; an intake filter for purifying the air taken-in by the explosion prevention intake fan provided at the top cover part; an exhaust filter provided at either face in the side circumferential faces of the car body sheet metal coating space and purifying the soiled air in the car body sheet metal coating space; an exhaust box provided at the outside of the exhaust filter and storing the air purified by the exhaust filter; an explosion prevention exhaust fan provided at the exhaust box and exhausting the air stored in the exhaust box to the outside; and a control board for controlling the explosion prevention intake fan and the explosion prevention exhaust fan. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a car body sheet metal painting booth for a gas station for painting a car body of an automobile at a gas station and a car body sheet metal painting method in a gas station using the same.

  Conventionally, at a gas station, various services such as car washing, tire replacement, oil replacement, and simple parts replacement are performed.

  However, since there is a risk of flammable automobile fuel such as gasoline and light oil at the gas station, the use of fire in the gas station is restricted by the Fire Service Act and the Fire Prevention Ordinance. In addition, if you perform sheet metal / painting work on an automobile body, sparks will come out during the work, so there is a risk of igniting flammable gas such as paint or thinner floating in the sheet metal painting space or flammable gas, Due to fire prevention regulations, it was not possible to carry out sheet metal painting work on the car body in the gas station.

  Also, for example, a fuel supply facility that provides a fuel supply service and a comprehensive service provision facility for a vehicle having a repair facility that provides a repair service, the fuel supply area having the fuel supply facility in a predetermined site A repair area provided with the repair facility, a common area shared by users of the fuel supply facility and users of the repair facility, and a common area between the fuel supply area and the repair area. A comprehensive service providing facility for vehicles characterized by the arrangement has been proposed (Patent Document 1).

  However, the proposed facility provides a comprehensive service for highly integrated vehicles in each area while ensuring a safe distance between the fuel supply area and the repair area and allowing both areas to be located on the same site. The purpose is to provide facilities, which is expensive in terms of construction costs and the like, and there is a problem that a relatively large facility installation space is required.

Moreover, in the conventional facilities as described above, there is a problem that it is difficult to implement due to the relations such as the Fire Service Act and the Fire Prevention Ordinance.
JP 2002-326571 A

  The present invention has been made in view of the above problems, and (a) it is possible to control the supply / exhaust in the body sheet metal painting booth so that flammable gas or combustible gas and fire do not come together. (B) Fire extinguishing equipment is installed in the event of an emergency fire, and (c) Use of explosion-proof air supply / exhaust fans and lighting to ignite thinner, etc. floating in the body sheet metal painting space Car body sheet metal painting booth for gasoline stations and gasoline using the same, which can safely perform vehicle body sheet metal painting work within the premises of a gas station without the danger of flammable gas, flammable gas, paint, etc. It is an object of the present invention to provide a body sheet metal painting method for a stand.

In order to solve the above problems, a vehicle body sheet metal painting booth for a gas station according to the present invention,
Body sheet metal painting space for sheet metal painting of automobile bodies,
A canopy provided above the body sheet metal painting space;
An explosion-proof air supply fan provided on the canopy and for taking outside air into the body sheet metal painting space;
An air supply filter for purifying air taken in by the explosion-proof air supply fan provided in the canopy portion;
An exhaust filter provided on any of the side peripheral surfaces of the body sheet metal painting space and for purifying dirty air in the body sheet metal painting space;
An exhaust box provided outside the exhaust filter for storing air purified by the exhaust filter;
An explosion-proof exhaust fan provided in the exhaust box and exhausting the air stored in the exhaust box to the outside;
A control panel for controlling the explosion-proof air supply fan and the explosion-proof exhaust fan;
Have
Air supply / exhaust in the body sheet metal painting space is performed so that outside air is supplied into the body sheet metal painting space by the explosion-proof air supply fan, and dirty air in the body sheet metal painting space is exhausted by the explosion-proof exhaust fan. By controlling, the vehicle body can be painted and / or sheet-metal work safely in a gas station facility without fear of ignition.

  In this way, if an explosion-proof air supply fan and explosion-proof exhaust fan with explosion-proof specifications are provided to control the supply and exhaust in the body sheet metal painting space, sufficient ventilation can be safely performed. Even if a spark appears, there is no risk of igniting paints floating in the body sheet metal painting space or highly flammable gasoline or light oil fuel, and the body sheet metal painting work in the gas station with peace of mind. Can be performed.

  The vehicle sheet metal painting booth for a gas station according to the present invention is provided in case of an emergency fire, and can automatically spray a fire extinguisher into the vehicle sheet metal painting space in the event of a fire from the vehicle sheet metal painting space. It further has an automatic fire extinguishing device.

  In this way, even if a fire breaks out in the body sheet metal painting booth, it can be extinguished quickly and automatically with the push of a button, making it possible to perform body sheet metal painting work extremely safely. Become.

Moreover, the vehicle body sheet metal painting method for a gas station according to the present invention is a vehicle body sheet metal painting method using the vehicle body sheet metal painting booth for the gas station,
Damage point diagnostic measurement process for diagnosing and measuring damaged parts of the car body,
A coating film removing step for removing the coating film from the damaged part of the automobile body;
A damaged surface drawing step for drawing a damaged surface of the damaged part of the automobile body;
A putty process for putting putty on the pulled damaged surface;
A putty surface drying step of drying the putty surface put on the putty surface with an automobile repair drying device;
A putty surface polishing step of polishing the dried putty surface with a putty sharpening sander;
A paint adhesion material application step of applying a paint adhesion material for adhering the paint to the damaged surface;
A paint adhesion material drying step for drying the paint adhesion material applied to the damaged surface;
A spray coating process of spraying a toned paint with a spray gun on the damaged surface to which the dried paint adhesion material has adhered;
A coating film drying step of drying the damaged surface sprayed with the paint with a coating film dryer;
A finishing step of wiping the damaged surface and polishing the wax;
Have
Before carrying out at least the damaged surface drawing process and the coating film drying process, the vehicle body sheet metal painting space is supplied and exhausted by an explosion-proof air supply fan and explosion-proof exhaust fan, and the body painting and / or sheet metal work is performed in a gas station facility. It is characterized by having performed.

  As described above, if the vehicle body sheet metal painting method is performed using the gas station body sheet metal painting booth, the vehicle sheet metal painting operation can be performed safely in the gas station body sheet metal painting booth where sufficient ventilation is performed. Even if a spark occurs during the body sheet metal work, it can be applied to automotive fuel such as paint, thinner, etc., flammable gas, highly flammable gasoline, light oil, etc. There is no risk of igniting, and it is possible to perform car body sheet metal painting work in a gas station with peace of mind.

  According to the vehicle sheet metal painting booth for a gas station of the present invention and the vehicle sheet metal painting method in a gas station using the same, (i) in the vehicle sheet metal painting booth so that flammable gas or combustible gas and fire are not mixed together. (B) Fire extinguishing equipment is installed in the event of a fire, and (c) Explosion-proof air supply and exhaust fans and lighting are used. There is no risk of flammable gas such as thinner floating in the sheet metal painting space, flammable gas, paint, etc., and the car body sheet metal painting work can be done safely on the premises of a gas station. There is an effect.

  Hereinafter, the present invention will be described in more detail with reference to FIGS. 1 to 12 in the accompanying drawings, but the present invention is not limited to these illustrated examples.

  FIG. 1 is a left side view showing an embodiment of a car body sheet metal painting booth for a gas station of the present invention, FIG. 2 is a right side view of a car body metal sheet painting booth for a gas station of the present invention, and FIG. 3 is a gas station of the present invention. 4 is a cross-sectional view taken along the line IV-IV of the car body sheet metal painting booth for the gas station of the present invention, FIG. 5 is a front view of the car body sheet metal painting booth for the gas station of the present invention, and FIG. FIG. 7 is a rear view of a car body sheet metal painting booth for a gas station according to the present invention, and FIG. 7 is an electric circuit diagram of the car body metal sheet painting booth for a gas station according to the present invention.

  FIG. 8 is an electrical layout diagram of a car body sheet metal painting booth for a gas station according to the present invention, FIG. 9 is an electrical layout diagram of an automatic fire extinguishing device in a car body sheet metal painting booth for a gas station according to the present invention, and FIG. FIG. 11 is a schematic top view illustrating an arrangement example of a sheet metal painting booth in a gas station, and FIG. 11 is a schematic arrangement explanatory view showing an arrangement example in a gas station of a vehicle sheet metal painting booth for a gas station according to the present invention. The cut-out view (b) is a side cut-out view, and FIG. 12 is a flowchart showing an example of the order of steps in the vehicle body sheet metal coating method of the present invention.

  Below, the characteristic structure of the vehicle body sheet metal painting booth for gas stations of this invention is demonstrated.

  In FIG. 1, the code | symbol 10 shows the vehicle body sheet metal painting booth for gasoline stations of this invention. As shown in FIGS. 1 and 2, the gas station painting booth 10 for a gas station has a vehicle body sheet metal painting space 12 for painting an automobile body, and a canopy portion 14 is provided above the vehicle body sheet metal painting space 12. Yes.

  1-4, the canopy portion 14 has explosion-proof air supply fans 16a and 16b for taking outside air into the body sheet metal painting space 12, and explosion-proof air supply fans 16a and 16b provided on the canopy portion 14. An air supply filter 18 for purifying the air taken in is provided on the side peripheral surface of the canopy portion 14.

  The air supply filter 18 further includes a plurality of primary filters 20 and a plurality of ceiling filters 22. As well shown in FIGS. 3 and 4, the outside air taken in by the explosion-proof air supply fans 16 a and 16 b is first sent into the frame body 24 through the plurality of primary filters 20. Then, the air sent to the frame body 24 is further supplied to the body sheet metal painting space through the plurality of ceiling filters 22.

  In this way, the outside air taken in is first sent to the frame body 24 through the plurality of primary filters 20 and spreads into the frame body 24, and is finally supplied into the sheet metal painting space 12 through the plurality of ceiling filters 22. Therefore, the purified air is uniformly supplied to the vehicle body sheet metal painting space 12, and uneven air supply in the vehicle body sheet metal painting space can be prevented.

  On the other hand, as well shown in FIG. 4, on the back side of the vehicle body sheet metal painting space 12, flammable gas, flammable gas, odor, gas vapor, etc. accumulated in the vehicle body metal sheet painting space 12, such as thinner, paint mist, A color iron plate 30 having a plurality of exhaust filters 28 for purifying pigments and the like is provided upright. An exhaust box 32 for storing the air purified by the exhaust filter 28 is provided outside the plurality of exhaust filters 28, and the purified air stored in the exhaust box 32 is provided in the exhaust box 32. An explosion-proof exhaust fan 38 is provided for exhausting the air to the outside. Further, a control panel 34 and a digester box 36 are provided on the side surfaces of the exhaust box 32, respectively. Needless to say, the control panel 34 and the digester box 36 can be mounted at various positions other than the side surface of the exhaust box 32. Moreover, since the several exhaust filter 28 should just be provided in either surface of the side peripheral surface of the vehicle body sheet metal painting booth 12, it is also possible to adopt a configuration other than the configuration provided on the back surface as shown in the drawing. it can.

  By comprising in this way, the external air taken in by the explosion-proof air supply fans 16a and 16b and the air flow discharged by the explosion-proof exhaust fan 38, that is, the air flow from the top to the bottom of the vehicle body sheet metal painting space 12, And it is discharged outside by an explosion-proof exhaust fan 38. Accordingly, flammable gas such as thinner, flammable gas, odor, gas vapor and the like accumulated in the body sheet metal painting space 12 are all discharged to the outside, and the air in the body sheet metal painting space 12 is replaced.

  In addition, the outside air to be taken in is first sent to the frame body 24 through the plurality of primary filters 20 and spreads in the frame body 24, and is finally supplied into the body sheet metal painting space 12 through the plurality of ceiling filters 22. Then, the air purified evenly is supplied to the body sheet metal painting space 12, and this flow of air, that is, the flow of air from top to bottom, causes mist (mist-like substances) such as paint in the body sheet metal painting space 12 to flow. Since they are allowed to sink evenly, they will not float.

  The periphery of the body sheet metal painting space 12 is covered with a flame retardant vinyl curtain 40 so that ambient air does not flow into the body sheet metal painting space 12. Further, since the curtain 40 is made of a flame-retardant material, it is extremely difficult to burn even in the event of a fire.

  Further, a digester box 36 is provided next to the exhaust box 32 as an automatic fire extinguishing device, and the digester box 36 is filled with a fire extinguishing agent. If a fire breaks out from the body sheet metal painting space 12 during the body sheet metal painting work, the fire extinguishing agent automatically enters the body sheet metal painting space 12 from the plurality of fire extinguishing nozzles 42 when the worker presses the button of the digestive box 36. Sprayed and can be extinguished (FIG. 3). Reference numeral 44 denotes an explosion-proof fluorescent lamp having an explosion-proof specification for brightly illuminating the vehicle body sheet metal painting space 12.

  These controls are performed by the control panel 34. An electric circuit of the control panel 34 is shown in FIG. The internal specifications of the control panel 34 are as follows.

  The explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 turn on the indicator lamp (green lamp, not shown) when the operation relay pushbutton switch (FIG. 7) is turned “ON”, and the explosion-proof air supply fans 16a and 16b. And the exhaust fan 38 rotates for the time (for example, 3-5 minutes) set with the timer switch until the flammable gas etc. in the sheet metal painting space 12 are discharged | emitted completely. When the set time of the timer switch comes, the power circuit of the quick puller (not shown) and the automobile repair drying device is turned “ON”, and these two types of devices can be used alternately.

  Here, the quick puller refers to a device that accurately pulls out a hollow portion of the vehicle body in a short time, and various conventionally known devices can be applied as the quick puller. Needless to say, various kinds of equipment can be applied as a drying equipment for repairing automobiles. For example, a combination of warm air and infrared rays is used to dry a putty or a surfacer. It is possible to apply drying equipment for repairing automobiles performed in a short time.

  The painting work can be operated with an inverter panel surface switch (not shown). By setting the start switch to “ON”, the explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 are started, and the frequency is adjusted according to the state of the painting work, thereby providing the explosion-proof air supply fans 16a and 16b. In addition, it is possible to adjust the strength of supply and exhaust of the explosion-proof exhaust fan 38. After the painting operation is completed, the switches of the explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 are turned off.

  Next, the example of arrangement | positioning in a gas station is shown. A gas station 50 facing the road 46 and surrounded by a fire wall 48 has an island 52 for refueling, and a canopy 54 is provided above the island 52.

  The work station 58 partitioned by the shutter 56 is provided with the car body sheet metal painting booth 10 for the gas station according to the present invention. Conventionally, the car body sheet metal painting in the gas station, which has been impossible due to various legal restrictions, has been conventionally performed. Work can be done. Reference numerals 60, 62, and 64 denote a toilet, an office, and a guest room, respectively.

  As is well shown in FIGS. 11A and 11B, the canopy portion 14 of the car body sheet metal painting booth 10 for a gas station is suspended and fixed in the work space 58 by a wire 66. If installed and fixed in this manner, there is no possibility that the vehicle body sheet metal painting booth 10 for a gas station will move due to some impact. In FIG. 11, an example in which the gas station body sheet metal painting booth 10 is fixed with the wire 66 is shown, but various other means than the illustrated example are applicable as long as the means can be fixed.

  A vehicle body sheet metal painting method in the gas station of the present invention using the sheet metal painting booth 10 for a gas station having the above-described configuration will be described below based on the flowchart of FIG.

  First, a damaged part of a vehicle body is measured with a sheet metal scale, and a work range is determined with a sheet metal sheet, thereby performing a diagnosis and measurement process of the damaged part of the vehicle body (step 100). Next, a coating film peeling process is performed by peeling off the old coating film at the damaged part of the vehicle body with a color peeling sander (step 102). During step 100 and step 102, the curtain 40 is left open.

  Next, the damaged surface drawing process is performed by pulling out the damaged surface of the damaged part of the vehicle body with a quick puller (not shown) (step 104), but the explosion-proof air supply fan is performed before the damaged surface extracting process of step 104 is performed. The air supply and exhaust in the body sheet metal painting space 12 are sufficiently performed by the 16a and 16b and the explosion-proof exhaust fan 38. At this time, it is preferable to supply and exhaust air until the flammable gas and the like in the vehicle body sheet metal painting space 12 are completely exhausted. As described above, the explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 turn on the indicator lamp (green lamp, not shown) when the operation relay pushbutton switch (FIG. 7) is turned ON, and the timer switch It is set to rotate for the time set in (for example, 3 to 5 minutes if the flammable gas or the like in the body sheet metal painting space 12 is completely discharged).

  When the set time of the timer switch comes, a quick puller (not shown) and a Duke beam power supply circuit can be used, and these two types of devices can be used alternately. In this way, the explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 are rotated by setting the set time, and the flammable gas in the body sheet metal painting space 12 is completely discharged before the work. The operation of pulling out the damaged part of the vehicle body is performed (step 104). In step 104, the curtain 40 is closed.

  Next, a putty process is performed by putting putty on the pulled damaged surface (step 106), and the putty surface is dried by an automobile repair drying apparatus, and a putty surface drying process is performed (step 106). 108). Then, the dried putty surface is polished by a putty sander and a putty surface polishing step is performed (step 110). Between step 106 and step 110, the curtain 40 is kept open.

  Next, a surfacer (paint adhesion agent) is applied to the damaged part of the vehicle body, and a surfacer application process is performed (step 112). The applied surfacer is dried by an automobile repair drying device, and a surfacer drying process is performed (step 114). The curtain 40 is kept open from step 112 to step 114.

  Next, the paint toned on the damaged surface to which the dried surfacer is attached is sprayed with a spray gun (not shown) to perform a spray coating process (step 116). In this step 116, the curtain 40 is closed.

  After the painting work is completed, the explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 are sufficiently supplied and exhausted until the flammable gas and gas vapor in the sheet metal painting booth 10 are completely discharged.

  Next, the damaged surface to which the paint has been sprayed is dried with a coating film dryer, and a coating film drying step is performed (118). In step 118, the curtain 40 is closed.

  As described above, the flammable gas, combustible gas, odor, and the like in the body sheet metal coating space 12 are completely discharged before performing at least the damaged surface drawing step (step 104) and the coating film drying step (step 118). For example, during the period from Step 102 to Step 118, the supply / exhaust of the explosion-proof supply fans 16a and 16b and the explosion-proof exhaust fan 38 is adjusted to be weak by inverter control. It may be rotated.

  Further, even when the work is performed while supplying and exhausting air by constantly rotating the explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 from step 102 to step 118, at least a damaged surface drawing process (step 104). ) And the coating film drying step (step 118), the rotation of the explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 is accelerated so that the flammable gas, flammable gas, odor, etc. Supply and exhaust air until it is completely discharged.

  After completion of the coating film drying process, the switches of the explosion-proof air supply fans 16a and 16b and the explosion-proof exhaust fan 38 are turned off.

  Finally, with the curtain 40 open, a finishing process is performed in which the damaged surface dried with the coating is blown to polish the wax (step 120), thereby completing the vehicle body sheet metal painting operation.

  As described above, if the body sheet metal painting method at the gas station of the present invention is carried out using the body sheet metal painting booth 10 for the gas station, (i) flammable gas or combustible gas and fire do not come together. It is possible to control the air supply and exhaust in the body sheet metal painting booth, (b) fire extinguishing equipment is installed in case of fire, and (c) explosion-proof air supply and exhaust fans and lighting By using, there is no risk of igniting flammable gas such as thinner, flammable gas and paint floating in the body sheet metal painting space, and the body sheet metal painting work of automobiles can be done safely within the gas station premises. Can do.

It is a left side view showing one embodiment of a car body sheet metal painting booth for a gas station of the present invention. It is a right view of the vehicle body sheet metal painting booth for gasoline stations of the present invention. It is a top view of the vehicle body sheet metal painting booth for gasoline stations of the present invention. It is the IV-IV sectional view taken on the sheet metal painting booth for the gasoline station of this invention. It is a front view of the vehicle body sheet metal painting booth for gasoline stations of the present invention. It is a rear view of the vehicle body sheet metal painting booth for gasoline stations of the present invention. It is an electric circuit diagram of a vehicle body sheet metal painting booth for a gas station according to the present invention. It is an electrical layout of a car body sheet metal painting booth for a gas station according to the present invention. It is an electrical layout of an automatic fire extinguishing device in a vehicle body sheet metal painting booth for a gas station of the present invention. It is a general | schematic upper surface arrangement | positioning figure which shows the example of arrangement | positioning in the gas station of the vehicle body sheet metal painting booth for gas stations of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic arrangement | positioning explanatory drawing which shows the example of arrangement | positioning in the gas station of the vehicle body sheet metal painting booth for gasoline stations of this invention, (a) is a front side cut figure (b). It is a flowchart which shows one example of the process order of the vehicle body sheet metal coating method of this invention.

Explanation of symbols

10: Car body sheet metal painting booth for gasoline station of the present invention, 12: Car body sheet metal painting space, 14: Canopy part, 16a, 16b: Explosion-proof air supply fan, 18: Air supply filter, 20: Primary filter, 22: Ceiling filter, 24: Frame, 28: Exhaust filter, 30: Color iron plate, 32: Exhaust box, 34: Control panel, 36: Digestive box, 38: Explosion-proof exhaust fan, 40: Curtain, 42: Fire extinguishing nozzle, 44: Explosion-proof fluorescence Light: 46: Road, 48: Firewall, 50: Gas station, 52: Island, 54: Canopy, 56: Shutter, 58: Work place, 60: Toilet, 62: Office, 64: Guest room, 66: Wire.

Claims (3)

Body sheet metal painting space for sheet metal painting of automobile bodies,
A canopy provided above the body sheet metal painting space;
An explosion-proof air supply fan provided on the canopy and for taking outside air into the body sheet metal painting space;
An air supply filter for purifying air taken in by the explosion-proof air supply fan provided in the canopy portion;
An exhaust filter provided on any of the side peripheral surfaces of the body sheet metal painting space and for purifying dirty air in the body sheet metal painting space;
An exhaust box provided outside the exhaust filter for storing air purified by the exhaust filter;
An explosion-proof exhaust fan provided in the exhaust box and exhausting the air stored in the exhaust box to the outside;
A control panel for controlling the explosion-proof air supply fan and the explosion-proof exhaust fan;
Have
Air supply / exhaust in the body sheet metal painting space is performed so that outside air is supplied into the body sheet metal painting space by the explosion-proof air supply fan, and dirty air in the body sheet metal painting space is exhausted by the explosion-proof exhaust fan. A vehicle body sheet metal painting booth for a gas station, which is capable of safely painting and / or sheet metal work in a gas station facility without any risk of ignition by controlling.   In the event of a fire, it further has an automatic fire extinguishing device that can automatically spray a fire extinguishing agent onto the body sheet metal painting space when the body sheet metal paint space fires. A vehicle body sheet metal painting booth for a gas station according to claim 1. A vehicle body sheet metal painting method using the vehicle body sheet metal painting booth for a gas station according to claim 1 or 2,
Damage point diagnostic measurement process for diagnosing and measuring damaged parts of the car body,
A coating film removing step for removing the coating film from the damaged part of the automobile body;
A damaged surface drawing step for drawing a damaged surface of the damaged part of the automobile body;
A putty process for putting putty on the pulled damaged surface;
A putty surface drying step of drying the putty surface put on the putty surface with an automobile repair drying device;
A putty surface polishing step of polishing the dried putty surface with a putty sharpening sander;
A paint adhesion material application step of applying a paint adhesion material for adhering the paint to the damaged surface;
A paint adhesion material drying step for drying the paint adhesion material applied to the damaged surface;
A spray coating process of spraying a toned paint with a spray gun on the damaged surface to which the dried paint adhesion material has adhered;
A coating film drying step of drying the damaged surface sprayed with the paint with a coating film dryer;
A finishing step of wiping the damaged surface and polishing the wax;
Have
Before carrying out at least the damaged surface drawing process and the coating film drying process, the vehicle body sheet metal painting space is supplied and exhausted by an explosion-proof air supply fan and explosion-proof exhaust fan, and the body painting and / or sheet metal work is performed in a gas station facility. Car body sheet metal painting method at a gas station, characterized in that

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