CN113967578A - Powder spraying and baking process for container and freight car - Google Patents
Powder spraying and baking process for container and freight car Download PDFInfo
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- CN113967578A CN113967578A CN202111362470.9A CN202111362470A CN113967578A CN 113967578 A CN113967578 A CN 113967578A CN 202111362470 A CN202111362470 A CN 202111362470A CN 113967578 A CN113967578 A CN 113967578A
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- container
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- freight car
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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
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- B05D2504/00—Epoxy polymers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a powder spraying and baking process for containers and freight cars, which comprises the steps of adopting an electric grinder, louver blades or steel wire balls to grind and remove rust on defective material parts; spraying with a kettle, and wiping the surface with cotton cloth and phosphating integrated wiping agent; blowing ash on the surface of the glass by using an air compressor; placing epoxy resin powder, titanium dioxide and toner in a container for uniform blending; spraying by adopting an electrostatic spraying gun; starting the oven, adjusting the temperature to 200-205 ℃, and drying at constant temperature for 10-20 minutes; naturally cooling for 20-40 minutes; the main materials of the powder are epoxy resin powder, titanium dioxide, toner and a filler, and the thickness of the sprayed powder is 80-120 mu m. The powder spraying and baking process for the container and the freight car has the advantages that the sprayed powder is high in density, strong in surface adhesion force and hard and flexible in surface, and the effective and environment-friendly spraying requirements for surface treatment of the outside of the container and the freight car are met.
Description
Technical Field
The invention relates to the technical field related to a surface treatment process of a container and a freight car, in particular to a powder spraying and baking process of the container and the freight car.
Background
Along with the development of the transportation industry, road transportation has the characteristics of flexibility, convenience, rapidness, large extension degree of freedom and wide coverage range, and occupies an important position in the transportation industry, particularly, a large truck for long-distance transportation becomes the dominant force of road transportation, and a container is used as a cargo installation tool for marine transportation, the capacity, the weight, the production process and the application of the container are similar to those of a large freight car, in the production process of the container and the freight car, in order to prolong the service life of the container and the freight car, the surface treatment must be carried out on the outer part of the container and the freight car, while the existing treatment mode mainly adopts paint as a raw material for paint spraying, as the paint contains various toxic substances such as formaldehyde and the like, the paint is volatilized in construction, solvent vapor easily appears, serious stimulation and harm are caused to the nervous system of a human body when the concentration is high, and headache is caused when the concentration is low, Nausea, fatigue and abdominal pain, anorexia, damage to the hematopoietic system and chronic poisoning caused by long-term contact, formaldehyde is colorless and easily soluble irritant gas which can cause damage by respiratory inhalation, the harm of formaldehyde to human body has the characteristics of long-term, latent and hidden, and tumor can be caused by long-term inhalation.
Thus, there is a need for an efficient and environmentally friendly painting process that replaces the need for surface treatment of existing paint applications on the exterior of containers and freight cars.
Disclosure of Invention
The invention mainly aims to overcome the defects in the prior art and provide a powder spraying and baking process for a container and a freight car, which is used for solving the problems in the prior art.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the powder spraying and baking process for the container and the freight car comprises the following steps:
step S1: polishing, namely polishing and removing rust on defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder, louver blades or steel wire balls;
step S2: degreasing, namely spraying by adopting a kettle filled with water, and simultaneously wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent;
step S3: blowing ash, namely blowing ash on the surfaces of the container and the freight car by using an air compressor;
step S4: powder preparation, namely placing epoxy resin powder, titanium dioxide and toner in a container, and uniformly blending;
step S5: powder spraying, namely, communicating an electrostatic spraying gun with the container in the step S4, aligning the electrostatic spraying gun with the container or the freight car which completes soot blowing in the step S3, and then starting the electrostatic spraying gun for spraying;
step S6: baking, namely placing the container or the freight car which is subjected to powder spraying treatment in the step S5 into an oven, starting the oven, adjusting the temperature to 200-205 ℃, and baking for 10-20 minutes at constant temperature;
step S7: and (5) cooling, namely taking out the container and the freight car in the step S6, and naturally cooling for 20-40 minutes.
As a further aspect of the present invention, there is provided: and the thickness of the powder spraying in the step S5 is 80-120 mu m.
As a further aspect of the present invention, there is provided: the step S4 further includes a filler.
As a further aspect of the present invention, there is provided: the electric grinder in the step S1 is one of a hand-held manual grinder and a hand-held electric grinder.
As a further aspect of the present invention, there is provided: the electrostatic spraying gun in the step S5 is one of a hand-held manual spraying gun or a hand-held electric spraying gun.
As a further aspect of the present invention, there is provided: the electrostatic spraying gun is a spraying gun with an automatic fluidization function.
As a further aspect of the present invention, there is provided: the container in the step S4 is a tool barrel.
Compared with the prior art, the invention has the beneficial effects that:
the powder spraying and baking process for the container and the freight car comprises the steps of polishing and derusting defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder and louver blades or steel wire balls; spraying by using a kettle filled with water, and wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent; carrying out soot blowing treatment on the surfaces of the container and the freight car by using an air compressor; placing epoxy resin powder, titanium dioxide and toner in a container for uniform blending; spraying by adopting an electrostatic spraying gun; starting the oven, adjusting the temperature to 200-205 ℃, and baking for 10-20 minutes at constant temperature; naturally cooling for 20-40 minutes; the main materials of the powder are epoxy resin powder, titanium dioxide, toner and a filler, and the thickness of the sprayed powder is 80-120 mu m. The powder spraying and baking process for the container and the freight car has the advantages that the sprayed powder is high in density, strong in surface adhesion force and hard and flexible in surface, and the beneficial effects of meeting the effective and environment-friendly spraying requirements for surface treatment of the outside of the container and the freight car are achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 embodiment of the invention, the powder spraying and baking process for the container and the freight car comprises the following steps:
step S1: polishing, namely polishing and removing rust on defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder, louver blades or steel wire balls;
step S2: degreasing, namely spraying by adopting a kettle filled with water, and simultaneously wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent;
step S3: blowing ash, namely blowing ash on the surfaces of the container and the freight car by using an air compressor;
step S4: powder preparation, namely placing epoxy resin powder, titanium dioxide and toner in a container, and uniformly blending;
step S5: powder spraying, namely, communicating an electrostatic spraying gun with the container in the step S4, aligning the electrostatic spraying gun with the container or the freight car which completes soot blowing in the step S3, and then starting the electrostatic spraying gun for spraying;
step S6: baking, namely placing the container or the freight car which is subjected to powder spraying treatment in the step S5 into an oven, starting the oven, adjusting the temperature to 200-205 ℃, and baking for 10-20 minutes at constant temperature;
step S7: and (5) cooling, namely taking out the container and the freight car in the step S6, and naturally cooling for 20-40 minutes.
Preferably, in the powder spraying and baking process for the container and the freight car, the thickness of the sprayed powder in the step S5 is 80 to 120 μm. The thickness in the range is moderate, so that the requirement of surface treatment of the container and the freight car is met, and reasonable use of materials is facilitated.
Preferably, in the powder spraying and baking process for containers and freight cars described above, the step S4 further includes a filler. The filler has good fluidity, compressibility, self-lubricity and dry adhesion, so that the powder spray can be attached to the surfaces of containers and freight cars more permanently.
Preferably, in the powder spraying and baking process for a container and a freight car, the electric grinder in the step S1 is one of a hand-held manual grinder and a hand-held electric grinder. The producer can select one of them according to his own needs.
Preferably, in the powder spraying and baking process for containers and freight cars described above, the electrostatic spraying gun in step S5 is one of a hand-held manual spraying gun and a hand-held electric spraying gun. The producer can select one of them according to his own needs.
Preferably, in the powder spraying and baking process for the container and the freight car, the electrostatic spraying gun is a spraying gun with an automatic fluidization function. The spray gun with the automatic fluidization function is convenient for providing a secondary uniform blending function for powder spraying.
Preferably, in the powder spraying and baking process for containers and freight cars, the container in the step S4 is a tool barrel. The tool barrel is convenient to clean and carry.
Example 1
A powder spraying and baking process for containers and freight cars comprises the following steps:
step S1: polishing, namely polishing and removing rust on defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder, louver blades or steel wire balls;
step S2: degreasing, namely spraying by adopting a kettle filled with water, and simultaneously wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent;
step S3: blowing ash, namely blowing ash on the surfaces of the container and the freight car by using an air compressor;
step S4: powder preparation, namely placing epoxy resin powder, titanium dioxide and toner in a container, and uniformly blending;
step S5: powder spraying, namely, communicating an electrostatic spraying gun with the container in the step S4, aligning the electrostatic spraying gun with the container or the freight car which completes soot blowing in the step S3, and then starting the electrostatic spraying gun for spraying; the thickness of the powder spray is 80 μm
Step S6: baking, namely placing the container or the freight car which is subjected to powder spraying treatment in the step S5 into an oven, starting the oven, adjusting the temperature to 200 ℃, and baking for 10 minutes at constant temperature;
step S7: and (4) cooling, namely taking out the container and the freight car in the step S6, and naturally cooling for 20 minutes.
Example 2
A powder spraying and baking process for containers and freight cars comprises the following steps:
step S1: polishing, namely polishing and removing rust on defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder, louver blades or steel wire balls;
step S2: degreasing, namely spraying by adopting a kettle filled with water, and simultaneously wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent;
step S3: blowing ash, namely blowing ash on the surfaces of the container and the freight car by using an air compressor;
step S4: powder preparation, namely placing epoxy resin powder, titanium dioxide and toner in a container, and uniformly blending;
step S5: powder spraying, namely, communicating an electrostatic spraying gun with the container in the step S4, aligning the electrostatic spraying gun with the container or the freight car which completes soot blowing in the step S3, and then starting the electrostatic spraying gun for spraying; the thickness of the powder spray is 100 mu m
Step S6: baking, namely placing the container or the freight car which is subjected to powder spraying treatment in the step S5 into an oven, starting the oven, adjusting the temperature to 203 ℃, and baking for 15 minutes at constant temperature;
step S7: and (4) cooling, namely taking out the container and the freight car in the step S6, and naturally cooling for 30 minutes.
Example 3
A powder spraying and baking process for containers and freight cars comprises the following steps:
step S1: polishing, namely polishing and removing rust on defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder, louver blades or steel wire balls;
step S2: degreasing, namely spraying by adopting a kettle filled with water, and simultaneously wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent;
step S3: blowing ash, namely blowing ash on the surfaces of the container and the freight car by using an air compressor;
step S4: powder preparation, namely placing epoxy resin powder, titanium dioxide and toner in a container, and uniformly blending;
step S5: powder spraying, namely, communicating an electrostatic spraying gun with the container in the step S4, aligning the electrostatic spraying gun with the container or the freight car which completes soot blowing in the step S3, and then starting the electrostatic spraying gun for spraying; the thickness of the powder spray is 120 mu m
Step S6: baking, namely placing the container or the freight car which is subjected to powder spraying treatment in the step S5 into an oven, starting the oven, adjusting the temperature to 205 ℃, and baking at constant temperature for 20 minutes;
step S7: and (4) cooling, namely taking out the container and the freight car in the step S6, and naturally cooling for 40 minutes.
Example 4
A powder spraying and baking process for containers and freight cars comprises the following steps:
step S1: polishing, namely polishing and removing rust on defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder, louver blades or steel wire balls;
step S2: degreasing, namely spraying by adopting a kettle filled with water, and simultaneously wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent;
step S3: blowing ash, namely blowing ash on the surfaces of the container and the freight car by using an air compressor;
step S4: powder preparation, namely placing epoxy resin powder, titanium dioxide and toner in a container, and uniformly blending;
step S5: powder spraying, namely, communicating an electrostatic spraying gun with the container in the step S4, aligning the electrostatic spraying gun with the container or the freight car which completes soot blowing in the step S3, and then starting the electrostatic spraying gun for spraying; the thickness of the powder spray is 80 μm
Step S6: baking, namely placing the container or the freight car which is subjected to powder spraying treatment in the step S5 into an oven, starting the oven, adjusting the temperature to 205 ℃, and baking at constant temperature for 20 minutes;
step S7: and (4) cooling, namely taking out the container and the freight car in the step S6, and naturally cooling for 40 minutes.
Example 5
A powder spraying and baking process for containers and freight cars comprises the following steps:
step S1: polishing, namely polishing and removing rust on defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder, louver blades or steel wire balls;
step S2: degreasing, namely spraying by adopting a kettle filled with water, and simultaneously wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent;
step S3: blowing ash, namely blowing ash on the surfaces of the container and the freight car by using an air compressor;
step S4: powder preparation, namely placing epoxy resin powder, titanium dioxide and toner in a container, and uniformly blending;
step S5: powder spraying, namely, communicating an electrostatic spraying gun with the container in the step S4, aligning the electrostatic spraying gun with the container or the freight car which completes soot blowing in the step S3, and then starting the electrostatic spraying gun for spraying; the thickness of the powder spray is 120 mu m
Step S6: baking, namely placing the container or the freight car which is subjected to powder spraying treatment in the step S5 into an oven, starting the oven, adjusting the temperature to 200 ℃, and baking for 10 minutes at constant temperature;
step S7: and (4) cooling, namely taking out the container and the freight car in the step S6, and naturally cooling for 20 minutes.
The above detailed description is specific to a possible embodiment of the present invention, but the embodiment is not intended to limit the scope of the present invention, and equivalent implementations or modifications without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. A powder spraying and baking process for containers and freight cars comprises the following steps:
step S1: polishing, namely polishing and removing rust on defective material parts such as concave-convex parts or welded parts in the container and the freight car by adopting an electric grinder, louver blades or steel wire balls;
step S2: degreasing, namely spraying by adopting a kettle filled with water, and simultaneously wiping the surfaces of the container and the freight car by using cotton cloth and phosphating integrated wiping agent;
step S3: blowing ash, namely blowing ash on the surfaces of the container and the freight car by using an air compressor;
step S4: powder preparation, namely placing epoxy resin powder, titanium dioxide and toner in a container, and uniformly blending;
step S5: powder spraying, namely, communicating an electrostatic spraying gun with the container in the step S4, aligning the electrostatic spraying gun with the container or the freight car which completes soot blowing in the step S3, and then starting the electrostatic spraying gun for spraying;
step S6: baking, namely placing the container or the freight car which is subjected to powder spraying treatment in the step S5 into an oven, starting the oven, adjusting the temperature to 200-205 ℃, and baking for 10-20 minutes at constant temperature;
step S7: and (5) cooling, namely taking out the container and the freight car in the step S6, and naturally cooling for 20-40 minutes.
2. The powder spraying and baking process for the containers and the freight cars of claim 1, characterized in that: and the thickness of the powder spraying in the step S5 is 80-120 mu m.
3. The powder spraying and baking process for the containers and the freight cars of claim 1, characterized in that: the step S4 further includes a filler.
4. The powder spraying and baking process for the containers and the freight cars of claim 1, characterized in that: the electric grinder in the step S1 is one of a hand-held manual grinder and a hand-held electric grinder.
5. The powder spraying and baking process for the containers and the freight cars of claim 1, characterized in that: the electrostatic spraying gun in the step S5 is one of a hand-held manual spraying gun or a hand-held electric spraying gun.
6. The powder spraying and baking process for the containers and the freight cars of claim 5, wherein: the electrostatic spraying gun is a spraying gun with an automatic fluidization function.
7. The powder spraying and baking process for the containers and the freight cars of claim 5, wherein: the container in the step S4 is a tool barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111362470.9A CN113967578A (en) | 2021-11-17 | 2021-11-17 | Powder spraying and baking process for container and freight car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111362470.9A CN113967578A (en) | 2021-11-17 | 2021-11-17 | Powder spraying and baking process for container and freight car |
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| Publication Number | Publication Date |
|---|---|
| CN113967578A true CN113967578A (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111362470.9A Pending CN113967578A (en) | 2021-11-17 | 2021-11-17 | Powder spraying and baking process for container and freight car |
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| CN (1) | CN113967578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999878A (en) * | 2022-11-16 | 2023-04-25 | 广州泽亨实业有限公司 | Automatic spraying method for hopper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398413A (en) * | 2017-07-26 | 2017-11-28 | 苏州盈腾五金制品有限公司 | The Powder Electrostatic Coating Technology of metalwork |
-
2021
- 2021-11-17 CN CN202111362470.9A patent/CN113967578A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398413A (en) * | 2017-07-26 | 2017-11-28 | 苏州盈腾五金制品有限公司 | The Powder Electrostatic Coating Technology of metalwork |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999878A (en) * | 2022-11-16 | 2023-04-25 | 广州泽亨实业有限公司 | Automatic spraying method for hopper |
| CN115999878B (en) * | 2022-11-16 | 2023-11-24 | 广州泽亨实业有限公司 | Automatic spraying method for hopper |
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Application publication date: 20220125 |
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