CN214717806U - Container spraying system - Google Patents
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- CN214717806U CN214717806U CN202021933072.9U CN202021933072U CN214717806U CN 214717806 U CN214717806 U CN 214717806U CN 202021933072 U CN202021933072 U CN 202021933072U CN 214717806 U CN214717806 U CN 214717806U
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Abstract
The utility model relates to a container field especially relates to a container spraying system. The container spraying system comprises the following components in sequence: the outer finish pre-coating room is used for pre-coating outer finish of the tank and spraying asphalt paint on the underframe; the outer finish paint spraying room is used for spraying outer finish paint on the box body; the outer surface paint leveling bungalow is used for leveling the outer surface paint of the box body and the asphalt paint of the underframe; and the outer surface paint drying room is used for drying the outer surface paint of the box body and the asphalt paint of the underframe. The existing exterior finish precoating room is used as a spraying room for the asphalt paint of the underframe, so that the original separately arranged asphalt paint spraying room can be eliminated, and the investment of production equipment and the production energy consumption are saved. Utilize current outer finish paint drying room to do the stoving of chassis asphalt paint concurrently, need not additionally to set up the drying room, chassis asphalt paint is after drying in outer finish paint drying room, and most organic waste gas has volatilized, and the unorganized emission of a large amount of organic waste gas reduces environmental pollution and the harm of organic waste gas to staff's health when going out the case.
Description
Technical Field
The utility model relates to a container field especially relates to a container spraying system.
Background
In refrigerated containers, the floor surface of the chassis is an important corrosion protection area. Most of the bottom plate surface of the bottom frame can be sprayed with asphalt paint as an anticorrosive coating. Most of the existing container factories use solvent type asphalt paint to spray the bottom plate surface of the underframe. Fig. 1 is a spraying process of a container in the prior art, wherein a top plate, a front frame, a rear frame, a left side plate and a right side plate of a container body are all sprayed with a middle layer paint and an outer surface paint, and a bottom plate surface of a bottom frame of the container body is sprayed with a solvent type asphalt paint. As can be seen from fig. 1, the spraying of the asphalt paint is performed before the asphalt paint is discharged from the tank, and the asphalt paint is directly discharged from the tank to the outside without being dried after the spraying is completed, so that the inorganization emission of a large amount of organic waste gas and the asphalt paint drips to pollute the ground, which do not meet the environmental emission requirement and pollute the environment.
If the solvent-based asphalt coating is dried and then taken out of the oven to reduce environmental pollution, an additional drying room is needed. If the non-solvent asphalt coating is adopted to reduce the unorganized emission of organic waste gas, the process requires preheating before spraying, the spraying temperature has requirements, and drying is required after spraying is finished, and a preheating room and a drying room are additionally arranged.
The drying room added for solvent type asphalt coating, the preheating room and the drying room added for non-solvent type asphalt coating need to be added with a large amount of production equipment investment, the production energy consumption is greatly improved, and the drying room is not added at a proper position because the existing asphalt spraying room is close to a box outlet.
Based on this, it is desirable to obtain a refrigerated container paint coating system, which can realize the drying of asphalt paint, reduce the organic waste gas inorganization emission and the environmental pollution caused by asphalt paint dripping, simultaneously not additionally increase the production energy consumption, and reduce the investment on production equipment and environmental protection equipment of an asphalt spraying preheating room and a drying room.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a container paint finishing effectively avoids organic waste gas's inorganization to discharge, reduces environmental pollution to save production facility, environmental protection equipment investment and production energy consumption.
In order to realize the purpose, the following technical scheme is provided:
in a first aspect, a container spraying system is provided, the container comprises a top plate, a bottom frame, a front frame, a rear frame, a left side plate and a right side plate, the top plate, the front frame, the rear frame, the left side plate and the right side plate form a box body, and the container spraying system comprises the components that are sequentially arranged:
the outer finish pre-coating room is used for pre-coating outer finish of the box body and spraying asphalt paint on the bottom frame;
the outer finish spraying room is used for spraying finish outside the box body;
the outer paint flow flat house is used for leveling the outer finish of the box body and the asphalt paint of the underframe;
and the outer surface paint drying room is used for drying the outer surface paint of the box body and the asphalt paint of the underframe.
As a preferred option for a container painting system, the exterior paint spray booth is also used for levelling of the chassis asphalt paint.
As a preferred scheme of the container spraying system, the container spraying system further comprises a middle-layer paint drying room for drying the middle-layer paint sprayed on the container body.
As a preferred scheme of the container spraying system, a pit is arranged in the outer paint pre-coating room and used for spraying the asphalt paint on the underframe, and an air exhaust system capable of enabling the pit to generate negative pressure is arranged in the pit.
As a preferred solution for the container spraying system, a spray nozzle for spraying the asphalt paint of the underframe is arranged in the pit.
As a preferred scheme of the container spraying system, a hot air circulating system is arranged in the outer paint drying room so as to dry the outer finish paint and the asphalt paint of the bottom frame of the container.
As a preferable scheme of the container spraying system, the asphalt paint sprayed on the underframe is solvent type asphalt paint or non-solvent type asphalt paint.
In a second aspect, a container spraying system is provided, which comprises:
the outer paint drying room is used for drying the outer paint of the box body;
the asphalt paint spraying room is used for spraying the asphalt paint on the underframe;
and the asphalt paint drying room is used for drying the asphalt paint on the bottom frame.
As a preferred scheme of the container spraying system, the spraying system further comprises the following components in sequence:
the outer finish pre-coating room is used for pre-coating outer finish of the box body;
the outer finish spraying room is used for spraying finish outside the box body;
and the outer paint flow bungalow is used for leveling the outer finish of the box body, and is arranged in front of the outer finish drying room.
As a preferable scheme of the container spraying system, the asphalt paint sprayed on the underframe is non-solvent type asphalt paint.
The utility model has the advantages that:
the utility model provides an among the paint finishing, the spraying of chassis pitch lacquer is after box middle level lacquer is dried to before the spraying of box outside lacquer or go on simultaneously with the precoating of box outside lacquer. The waste heat after the middle layer paint is dried is used for preheating the underframe, so that the problem that the underframe needs to be preheated when the non-solvent type asphalt paint is sprayed on the underframe is solved. The existing exterior finish precoating room is used as a spraying room for the asphalt paint of the chassis, the original asphalt paint spraying room which is independently arranged can be eliminated, the length of the whole production line is reduced, or the original asphalt paint spraying room is changed into other use, the working time of the following process is shared, the production rhythm of the following process is promoted, and the production equipment investment and the production energy consumption are saved. The existing outer finish drying room is used for drying the asphalt paint of the chassis, the drying room is not required to be additionally arranged, most of organic waste gas in the asphalt paint of the chassis is volatilized after the asphalt paint of the chassis is dried for a certain time in the outer finish drying room, the unorganized emission of the organic waste gas is reduced, and the harm of the environmental pollution and the organic waste gas to the health of staff is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a prior art container spray coating process;
fig. 2 is a schematic diagram of a container spraying system according to an embodiment of the present invention;
fig. 3 is a container spraying process according to a first embodiment of the present invention;
fig. 4 is a container spraying system provided in the second embodiment of the present invention;
fig. 5 is a container spraying process provided in the second embodiment of the present invention.
1-middle layer paint spraying room; 2-middle layer paint drying room; 3-outer surface paint pre-coating room; 4-outside paint spraying room; 5-outside paint flow bungalow; 6-outside paint drying room; 7-asphalt paint spraying room; 8-asphalt paint drying room; 9-a refrigerator decoration station; 10-a cold machine mounting station; 11-box body labeling station; 12-box inspection station.
Detailed Description
In order to make the technical problems, technical solutions adopted and technical effects achieved by the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 2, the present embodiment provides a container spray coating system, particularly suitable for paint spraying of refrigerated containers. The container comprises a top plate, a bottom frame, a front frame, a rear frame, a left side plate, a right side plate and a left side plate, wherein the left side plate and the right side plate are connected with the top plate and the bottom frame. The top plate, the front frame, the rear frame, the left side plate and the right side plate are all sprayed with middle layer paint and outer surface paint. Spraying asphalt paint on the bottom frame, or spraying middle layer paint and outer surface paint. The embodiment is suitable for the condition that the top plate, the front frame, the rear frame, the left side plate and the right side plate are sprayed with the middle layer paint and the outer finish paint, and the bottom frame is sprayed with the asphalt paint. In actual production, the top plate, the bottom frame, the front frame, the rear frame, the left side plate and the right side plate are assembled and welded, subjected to sand blasting and then sequentially sent to different stations to be subjected to a paint spraying process. For convenience of the following description, the top plate, the front frame, the rear frame, and the left and right side plates are set as a box body, that is, the container includes a box body and a bottom frame.
This container paint finishing is including setting gradually:
and the middle layer paint spraying room 1 is used for spraying the middle layer paint of the box body.
And the middle layer paint drying room 2 is used for drying the middle layer paint of the box body.
And the outer surface paint pre-coating room 3 is used for pre-coating the outer surface paint of the box body and spraying the asphalt paint of the bottom frame.
And the outer surface paint spraying room 4 is used for spraying the outer surface paint of the box body.
And the outer paint flow flat house 5 is used for leveling the outer finish of the box body and the asphalt paint of the underframe.
And the outer surface paint drying room 6 is used for drying the outer surface paint of the box body and the asphalt paint of the underframe.
Optionally, in the outer finish paint spraying room 4, leveling of the chassis asphalt paint can also be performed, that is, the chassis asphalt paint is leveled twice in the outer finish paint spraying room 4 and the outer paint flow flat-bed room 5, so that the spraying effect is ensured.
Preferably, a pit is arranged in the outer paint spraying room 4, and the pit is used for performing the spraying operation of the underframe asphalt paint. An air exhaust system is arranged in the pit so that the pit is in a negative pressure state, and the chassis asphalt paint is sprayed in a negative pressure mode to reduce the diffusion and pollution of asphalt. And a nozzle for spraying asphalt paint on the bottom frame is arranged in the pit. The space above the pit is used as a pre-coating space for the finish paint outside the box body, and the space of the outer finish paint pre-coating room 3 is effectively utilized.
Further preferably, a hot air circulating system is arranged in the outer finish drying room 6 to dry the outer finish of the tank body and the asphalt paint of the bottom frame. Illustratively, hot air enters from the bottom and the side of the container, the temperatures of the hot air entering from the bottom and the side are different to dry asphalt paint and finish paint, air is returned from the top of the outer paint drying room 6, hot air circulation is formed in the outer paint drying room 6, the circulation air speed is 1-2.5M/S, the outer paint drying room 6 is dried from low temperature to high temperature gradually, the temperature of the hot air entering from the bottom is 35-50 ℃ to dry the asphalt paint of the underframe, the temperature of the hot air entering from the side is 35-70 ℃ to dry the paint outside the box body, and the outer paint drying process and the underframe asphalt paint drying process can be simultaneously met.
It should be noted that the container spraying system is suitable for both the case where the base asphalt paint is a non-solvent type asphalt paint and the case where the base asphalt paint is a solvent type asphalt paint.
The container spraying system also comprises a refrigerator decoration station 9, a refrigerator installation station 10, a box body labeling station 11 and a box body inspection station 12 which are sequentially arranged. After the outer finish paint of the box body and the asphalt paint of the bottom frame are dried, the box body and the bottom frame sequentially pass through a refrigerator decoration station 9, a refrigerator installation station 10, a box body labeling station 11 and a box body inspection station 12, and then are taken out of the box and off the production line.
In the container spraying system provided by this embodiment, the spraying of the asphalt paint of the underframe is performed after the middle layer paint of the box body is dried, and before the spraying of the paint on the outer surface of the box body or simultaneously with the pre-coating of the paint on the outer surface of the box body. The waste heat after the middle layer paint is dried is used for preheating the bottom frame, so that the problem that the non-solvent type asphalt paint needs to be preheated is solved. Utilize current finish coat to precoat room 3 and do the spraying room of chassis asphalt paint concurrently, can cancel the asphalt paint spraying room that originally sets up alone, reduce the length of whole production line, or change original asphalt paint spraying room into other uses, share the operating time of back process, promote the production rhythm of back process, save production facility investment and production energy consumption. The existing outer finish flow flat house 5 is also used as the leveling of the asphalt paint of the underframe, so that the spraying quality of the asphalt paint is ensured. Utilize current outer finish paint drying room 6 to do the stoving of chassis asphalt paint concurrently, need not additionally to set up the drying room, chassis asphalt paint in outer finish paint drying room 6 after the stoving of a certain time, most organic waste gas in the chassis asphalt paint has volatilized, and the unorganized emission of a large amount of organic waste gas that reduces when going out the case reduces environmental pollution and the harm of organic waste gas to staff's health. The boxes just out of the workshop can be directly stacked and piled, so that the problem that the asphalt paint of the upper boxes drips to pollute the top plate of the bottom box after stacking is avoided.
As shown in fig. 3, based on the container spraying system, the embodiment provides a container spraying process, including:
and S0, drying the middle layer paint sprayed on the box body in the middle layer paint drying room 2.
S1, in the outer finish pre-coating room 3, pre-coating outer finish of the box body and spraying asphalt paint on the bottom frame.
And S2, spraying finish paint outside the box body in the finish paint spraying room 4.
And S3, leveling finish paint outside the box and asphalt paint of the underframe in the outer finish flow flat house 5.
And S4, drying the outer paint of the box body and the asphalt paint of the underframe in the outer paint drying room 6.
The spraying process of the asphalt paint of the underframe is carried out after the middle layer paint of the box body is dried and before the outer paint of the box body is sprayed or simultaneously with the outer paint of the box body is pre-coated. The waste heat of the box body after the middle layer paint is dried is used for preheating the bottom frame, so that the problem that the bottom frame needs to be preheated when non-solvent type asphalt paint is adopted is solved, and a preheating room does not need to be additionally arranged. Utilize current finish coat to precoat room 3 and do the spraying room of chassis asphalt paint concurrently, can cancel the asphalt paint spraying room that originally sets up alone, reduce the length of whole production line, or change original asphalt paint spraying room into other uses, share the operating time of back process, promote the production rhythm of back process, save production facility investment and production energy consumption. The existing outer finish flow flat house 5 is also used as the leveling of the asphalt paint of the underframe, so that the spraying quality of the asphalt paint is ensured. Utilize current outer finish paint drying room 6 to do the stoving of chassis asphalt paint concurrently, need not additionally to set up the drying room, chassis asphalt paint in outer finish paint drying room 6 after the stoving of a certain time, most organic waste gas in the chassis asphalt paint has volatilized, can not cause organic waste gas's unorganized emission when going out the case, reduces environmental pollution and organic waste gas to the harm of staff's health. The boxes just out of the workshop can be directly stacked and piled, and the problem that the asphalt paint of the upper boxes drips to pollute the top plate of the bottom box can be avoided.
Specifically, S0, in the middle paint drying room 2, the middle paint sprayed on the box body is dried.
The method mainly aims at the condition that the chassis asphalt paint in the subsequent process adopts non-solvent asphalt to reduce the emission of organic waste gas, and utilizes the waste heat of the box body in the drying process as the preheating of the spraying of the chassis asphalt paint, thereby saving the arrangement of a preheating room, and saving the investment of production equipment and the production energy consumption. Of course, solvent-based asphalt can also be used for the subsequent chassis asphalt paint.
After the middle layer paint of the box body is sprayed, the box body enters a middle layer paint drying room 2 to be dried, if the middle layer paint does not meet the requirement of dryness, outer finish paint or asphalt paint is sprayed on the surface of the middle layer paint which is not dried, and because organic gas or moisture contained in the middle layer paint is not volatilized, the spraying quality and the drying defects of the outer finish paint or the asphalt paint, such as pinholes, bubbles and the like, can be caused. Therefore, the middle layer paint is required to be dried as much as possible, then the outer finish paint or the asphalt paint is sprayed, and the number of the middle layer paint drying rooms is properly increased, so that the middle layer paint has sufficient time to dry.
S1, in the outer finish pre-coating room 3, pre-coating outer finish of the box body and spraying asphalt paint on the bottom frame.
Utilize current finish coat to precoat room 3 and do the spraying room of chassis asphalt paint concurrently, can cancel the asphalt paint spraying room that originally sets up alone, reduce the length of whole production line, or change original asphalt paint spraying room into other uses, share the operating time of back process, promote the production rhythm of back process, save production facility investment and production energy consumption.
Specifically, the spraying operation of the asphalt paint on the underframe can be carried out by using the pit of the exterior finish pre-coating room 3. An air exhaust system can be arranged in the pit to exhaust air in the pit, so that the pit is in a negative pressure state, and the chassis asphalt paint is sprayed in a negative pressure mode, so that the diffusion and pollution of asphalt are reduced. The space above the pit is used as a pre-coating space for the finish paint outside the box body, and the space of an outer finish paint pre-coating room is effectively utilized.
The spraying form of the asphalt paint can be one of air spraying, high-pressure airless spraying or electrostatic spraying, and can be automatic reciprocating spraying, through type automatic spraying or robot spraying and the like.
The asphalt paint can be sprayed by 821 or 823 model nozzle with spraying pressure of 4-5.5 MPa. And after the spraying is finished, the asphalt baffle and the paster are utilized to perform additional spraying or additional brushing on the spraying boundary of the asphalt paint of the underframe. The thickness of the sprayed wet film is between 350 and 400 mu m, and the thickness of the sprayed dry film is about 200 mu m.
The asphalt paint spraying and the exterior paint pre-coating share one set of environmental protection facilities, and the asphalt spraying environmental protection facilities do not need to be independently arranged, so that the energy is saved and the environment is protected.
And S2, spraying finish paint outside the box body in the finish paint spraying room 4.
And S3, leveling finish paint outside the box and asphalt paint of the underframe in the outer finish flow flat house 5.
The wet film thickness sprayed by the asphalt paint of the underframe is between 350 and 400 mu m, and the direct drying can cause the defects of sagging, cracking, pinholes, bubbles and the like of the asphalt paint, so that the leveling needs to be carried out for a certain time.
Preferably, in step S2, leveling of the underframe asphalt paint is performed in the exterior finish spray booth 4.
The chassis asphalt paint is firstly leveled in the outer finish paint spraying room 4, and then enters the outer finish paint flow flat room 5 to be secondarily leveled, so that leveling and subsequent drying effects are guaranteed.
The asphalt paint needs to be leveled for 10-20 minutes, partial organic gas or water is released, chassis asphalt paint leveling is carried out when paint spraying and leveling outside the box body are carried out, an independent leveling station is not designed for asphalt paint leveling, asphalt paint leveling is carried out on the station for paint spraying and leveling outside the box body, after the paint spraying and leveling outside the box body is completed, the asphalt paint leveling also meets the leveling time requirement, and the number of production stations is reduced.
In other embodiments, leveling of the chassis asphalt paint may also be performed in one of the steps S2 and S3.
And S4, drying the outer paint of the box body and the asphalt paint of the underframe in the outer paint drying room 6.
In order to save the energy consumption for drying the asphalt paint of the underframe, the drying room is shared by the asphalt paint and the outer paint. And (4) finishing the leveling of the asphalt paint of the bottom frame and the spraying and leveling of the finish paint outside the box body, and drying the finish paint outside the box body and the asphalt paint of the bottom frame in the same drying room.
The existing outer finish drying room is used for drying the asphalt paint of the chassis, the drying room is not required to be additionally arranged, most of organic waste gas in the asphalt paint of the chassis is volatilized after the asphalt paint of the chassis is dried for a certain time in the outer finish drying room, the unorganized emission of the organic waste gas is reduced, and the harm of the environmental pollution and the organic waste gas to the health of staff is reduced.
The wet film of chassis asphalt lacquer spraying once reaches more than 350 mu m, needs progressive stoving, can not directly get into the stoving room of too high temperature, is unfavorable for volatilizing of organic waste gas or moisture, can cause quality problems such as chassis asphalt lacquer pinhole, bubble. Preferably, the external finish paint of the tank and the asphalt paint of the underframe are dried by adopting a circulating hot air drying process. The hot air circulation system is arranged in the drying room, hot air enters from the bottom and the side of the container, the temperatures of the hot air entering from the bottom and the side are different, asphalt paint and finish paint are dried, air returns from the top of the outer paint drying room, hot air circulation is formed in the outer paint drying room, the circulation air speed is 1-2.5M/S, the outer paint drying room is gradually dried from low temperature to high temperature, the temperature of the hot air entering from the bottom is 35-50 ℃ to dry the asphalt paint on the bottom frame, the temperature of the hot air entering from the side is 35-70 ℃ to dry the paint on the outer side of the box body, and the outer paint drying process and the chassis asphalt paint drying process can be simultaneously met.
After the chassis asphalt paint is dried, the chassis paint quality can be directly checked, and the chassis can be knocked to check whether the chassis is foamed or not to cause quality problems.
The container spray coating process described above is applicable to both cases where the base asphalt paint is a non-solvent type asphalt and cases where the base asphalt paint is a solvent type asphalt. When the under-frame asphalt paint is solvent-based asphalt, the above step S0 is not necessarily performed.
Optionally, after the exterior finish paint and the bottom frame asphalt paint of the container are dried, the container spraying process of this embodiment further includes: cold machine decoration, cold machine installation, box body inspection, glue application in the box, box discharging and wire discharging and the like.
Example two:
as shown in fig. 4, the present embodiment provides a container spray coating system, particularly suitable for spraying refrigerated containers. The container comprises a top plate, a bottom frame, a front frame, a rear frame, a left side plate and a right side plate, wherein the left side plate and the right side plate are connected with the top plate and the bottom frame. The top plate, the front frame, the rear frame, the left side plate and the right side plate are all sprayed with middle layer paint and outer surface paint. Spraying asphalt paint on the bottom frame, or spraying middle layer paint and outer surface paint. The embodiment is suitable for the condition that the top plate, the front frame, the rear frame, the left side plate and the right side plate are sprayed with the middle layer paint and the outer finish paint, and the bottom frame is sprayed with the asphalt paint. In actual production, the top plate, the bottom frame, the front frame, the rear frame, the left side plate and the right side plate are assembled and welded, subjected to sand blasting and then sequentially sent to different stations to be subjected to a paint spraying process. For convenience of the following description, the top plate, the front frame, the rear frame, the left side plate and the right side plate are set as a box body, that is, the container includes a box body and a bottom frame.
The container spraying system comprises the following components in sequence:
and the outer finish pre-coating room 3 is used for pre-coating finish outside the box body.
And the outer surface paint spraying room 4 is used for spraying the finish paint outside the box body.
And the outer surface paint flow flat house 5 is used for leveling the outer surface paint of the box body.
And the outer paint drying room 6 is used for drying the outer paint sprayed on the box body.
And the asphalt paint spraying room 7 is used for spraying the asphalt paint on the bottom frame.
And the asphalt paint drying room 8 is used for drying the chassis asphalt paint.
Optionally, before the finish paint precoating room 3, the container spraying system of the present embodiment further includes:
and the middle layer paint spraying room 1 is used for spraying the middle layer paint on the box body.
And the middle layer paint drying room 2 is used for drying the middle layer paint of the box body.
Optionally, the container spraying system further comprises a refrigerator decoration station 9, a refrigerator installation station 10, a box labeling station 11 and a box inspection station 12 which are sequentially arranged. After drying of the asphalt paint of the underframe is completed, the box body and the underframe sequentially pass through a refrigerator decoration station 9, a refrigerator installation station 10, a box body labeling station 11 and a box body inspection station 12, and then are taken out of the box and off-line.
The container spraying system that this embodiment provided, the spraying process of mainly being applicable to the non-solvent asphalt paint of chassis spraying, asphalt paint spraying room 7 is following closely after box outside lacquer stoving room 6, the waste heat after utilizing outside lacquer to dry is as preheating to the chassis, need the problem of preheating when solving the non-solvent asphalt paint of chassis spraying, avoid organic waste gas to produce, reduce environmental pollution, when guaranteeing that the staff is healthy, need not additionally to set up and preheat the room, save production facility investment and production energy consumption.
As shown in fig. 5, based on the container spraying system, the embodiment provides a container spraying process, including:
s10, drying the outer paint sprayed on the box body in the outer paint drying room 6;
s20, spraying asphalt paint on the bottom frame in an asphalt paint spraying room 7;
and S30, drying the chassis asphalt paint in the asphalt paint drying room 8.
The spraying technology of chassis asphalt paint follows closely after box outside lacquer is dried, utilizes the waste heat after the outside lacquer is dried as preheating to the chassis to need the problem of preheating when solving the non-solvent type asphalt paint of chassis spraying, the technology of this embodiment is mainly applicable to the spraying technology of the non-solvent type asphalt paint of chassis spraying promptly, avoids organic waste gas to produce, reduces environmental pollution, when guaranteeing that the staff is healthy, need not additionally to set up and preheats the room, saves production facility investment and production energy consumption.
Optionally, before drying the paint outside the container body, the spraying process for the container of this embodiment further includes:
s10', in the outer finish pre-coating room 3, pre-coating the finish outside the box body.
S20', spraying finish paint outside the box body in the finish paint spraying room 4.
S30', leveling the finish outside the box body in the outer finish flow flat house 5.
Optionally, before the external paint of the container is pre-coated, the container spraying system of the embodiment further comprises:
s10', and spraying the middle layer paint of the box body in the middle layer paint spraying room 1.
S20', and drying the middle layer paint in the box body in the middle layer paint drying room 2.
Optionally, after the drying of the base frame asphalt paint, the container spraying process of this embodiment further includes: and (3) processes of decorating the refrigerator, installing the refrigerator, checking the box body, taking out the box body and inserting the box body.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. The utility model provides a container spraying system, the container includes roof, chassis, preceding frame, after-frame, left side board and right side board, the roof the preceding frame the after-frame the left side board reaches the right side board forms the box, its characterized in that, container spraying system is including setting gradually:
the outer finish pre-coating room is used for pre-coating outer finish of the box body and spraying asphalt paint on the bottom frame;
the outer finish spraying room is used for spraying finish outside the box body;
the outer paint flow flat house is used for leveling the outer finish of the box body and the asphalt paint of the underframe;
and the outer surface paint drying room is used for drying the outer surface paint of the box body and the asphalt paint of the underframe.
2. The container spray system of claim 1, wherein the exterior finish spray booth is further configured to level the chassis asphalt paint.
3. The container painting system according to claim 1 or 2, further comprising a middle paint drying room for drying the middle paint painted on the container body.
4. The container paint spraying system of claim 1 wherein the exterior finish pre-coat chamber has a pit for performing the underframe asphalt paint spraying operation, the pit having an air extraction system therein that enables the pit to generate a negative pressure.
5. The container painting system of claim 4, wherein a spray nozzle for spraying the undercarriage asphalt paint is disposed within the pit.
6. The container paint spraying system of claim 1 wherein a hot air circulation system is provided in the exterior finish drying room to dry the exterior finish and the chassis asphalt paint of the container.
7. The container spray coating system of claim 3, wherein the base frame sprayed asphalt paint is a solvent-based asphalt paint or a non-solvent-based asphalt paint.
8. The container spraying system is characterized by comprising the following components in sequence:
the outer finish spraying room is used for spraying finish outside the box body;
the outer surface paint leveling bungalow is used for leveling the outer surface paint of the box body;
the outer paint drying room is used for drying the outer paint of the box body and preheating the underframe;
the asphalt paint spraying room is used for spraying the asphalt paint on the underframe;
the asphalt paint drying room is used for drying the asphalt paint on the underframe;
the asphalt paint sprayed on the underframe is non-solvent type asphalt paint.
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| CN202021933072.9U CN214717806U (en) | 2020-09-07 | 2020-09-07 | Container spraying system |
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| CN202021933072.9U CN214717806U (en) | 2020-09-07 | 2020-09-07 | Container spraying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957491A (en) * | 2020-09-07 | 2020-11-20 | 上海寰宇物流科技有限公司 | Container spraying process and spraying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957491A (en) * | 2020-09-07 | 2020-11-20 | 上海寰宇物流科技有限公司 | Container spraying process and spraying system |
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