Steel Plate Preservation Line

【Model】: QXY

【Application】:Suitable for surface derusting and painting process of steel profiles andstructural parts in shipbuilding, automotive, rolling rock, bridge construction and machinery these industries.

【characteristics】:Improve cleaning efficiency, reduce labor intensity and environment pollution.


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The steel plate preservation line is mainly composed of a roller conveyor system, a shot blasting machine, an automatic painting system, a drying room, a shot blasting dust collecting system, a paint mist filter system and an electric control system, and can be extended with an automatic loading and unloading system and a preheating chamber.

The steel plate preservation line is an equipment for surface shot blasting and rust removal of steel before welding and a protective primer. The equipment is about 70 meters long and weighs about 150 tons. The equipment consists of feeding roller table, rain cleaning device, preheating room, shot blasting rust removal system, shot cleaning room, intermediate roller table, painting room, drying room, coding printing, sending out roller table, shot blasting dust removal system , Paint mist treatment system and electric control system. The pretreatment of steel can improve the corrosion resistance of mechanical products and metal components, improve the fatigue resistance of the steel plate, and extend its service life; at the same time, it can also optimize the production state of the steel surface, which is conducive to CNC cutting machine blanking and precision blanking. In addition, because the steel shape is relatively regular before processing, it is conducive to mechanical rust removal and automatic painting. Therefore, the use of steel pretreatment can greatly improve the efficiency of the cleaning work and reduce the labor intensity and environmental pollution of the cleaning work.

Regarding the operating speed of the pretreatment line, our company can meet any requirements of users, including ways to increase the power of the shot blasting machine and connect multiple shot blasting machines in series.

At the same time, temperature transmitters, rotary encoders and other components are used in the steel pretreatment line, computer monitoring (monitoring center, instead of old-fashioned analog screens), closed-circuit television monitoring, and automatic coding devices and Automatic barcode printing device.

Workpiece conveying system

1 Frequency conversion and stepless speed regulation of the workpiece conveying system, each department can operate synchronously or act independently.

2 The roller table of the shot blasting chamber is equipped with a special material wear-resistant sheath.

3 Plate chain conveyor "V" structure, short-term contact of steel plate after painting to avoid damage to paint film.

Shot blasting

1.The height measurement of the workpiece adopts a photoelectric switch and a brake motor to prevent dust interference outside the shot blasting room.

2. The workpiece width measuring device automatically adjusts the number of openings for the shot gate.

3. It adopts advanced cantilever centrifugal shot blasting device, and the layout of shot blasting device is simulated by computer. The projectile avoids the roller table, and the workpiece is covered evenly.

Steel shots cleaning

1. Roll sweeping, side sweeping and high-pressure fan sweeping

Steel shots recycling purification sytem

1. Using full curtain winnowing separator,

2. Using special polyester core hoist transmission belt,

3. Using air-controlled projectile controller

4. Each power point of the projectile circulation system has a fault alarm function

Shot blasting dust removal system

1. The cyclone and bag integrated dust collector are selected, and the dust emission meets the international standard

Spray booth

1. Two high-pressure airless paint spraying pumps, one of which is spare

2. Standard linear guide rail is used to support the trolley, and the two ends of the trolley travel are frequency-converted and buffered

3. Workpiece detection and transmission mechanism are separated from the spray gun, no paint mist interference, easy to clean paint dirt

Drying room

1. A variety of medium heaters (or burners) can be used, hot air circulation, so that the heat can be fully utilized.

2. The temperature of the drying room is adjustable from 40 to 70 degrees

Paint mist filter device and VOC gas purification device

1. Use advanced paint mist filter cotton to filter paint mist

2. Adopt activated carbon to adsorb VOC gas

Electrical control system

1. PLC control, upper computer (microcomputer) dynamic simulation monitoring

2. Circulation system failure alarm function

3. Time accumulating function of wearing parts

QXY2500 Steel Plate Preservation, Steel Plate Shot Blasting and Painting Drying Line

QXY2500 Steel Plate Preservation, Steel Plate Shot Blasting and Painting Drying Line, Steel Plate Shot Blasting Machine

QXY3000 Steel Plate Preservation, Steel Plate Shot Blasting and Painting Drying Line

QXY3000 Steel Plate Preservation, Steel Plate Shot Blasting and Painting Drying Line, Steel Plate Shot Blasting Machine

QXY4000 Steel Plate Preservation, Steel Plate Shot Blasting and Painting Drying Line

QXY4000 Steel Plate Preservation, Steel Plate Shot Blasting and Painting Drying Line, Steel Plate Shot Blasting Machine

QXY4500 Steel Plate Preservation, Steel Plate Shot Blasting and Painting Drying Line

QXY4500 Steel Plate Preservation, Steel Plate Shot Blasting and Painting Drying Line, Steel Plate Shot Blasting Machine



Suitable for surface derusting and painting process of steel profiles and structural parts in shipbuilding, automotive, rolling rock, bridge construction and machinery these industries.

ItemQXY1600QXY2000
QXY2500QXY3000QXY3500QXY4000QXY4500QXY5000
Steel plate

Width

(mm)

500~16001000~20001000~25001000~30001000~2500
1000~25001000~45001000~5000

Thickness

(mm)

4~204~605~304~604~605~505~805~80

Length

(mm)

2000~120001500~120002000~120002400~120002000~160002400~22500
2400~20000
2000~22500
Steel structural works

Max width

(mm)

800800130080015002000
30003500

Max height

(mm)

300300400800400500500500

Length

(mm)

2000~120002000~120002000~120002000~120002000~120002000~120002000~120002000~12000
Roller conveyor

Allowable

load(kg)

11.52.02.52.52.533

Conveying

width

(mm)

1~51~51~51~6
1~61~61~61~6
Total power (kw)260260
300300360380420500


1. The whole machine adopts PLC automatic control, with color touch screen human-computer interface, high degree of automation, simple operation and maintenance;
2. Frequency conversion speed control is adopted for the entire line transportation;
3.Using American Graco's airless spraying system, the spraying is even and reliable, and the maintenance workload is small.
4. The spraying reciprocating mechanism uses a dedicated reciprocating slide module, which is driven by imported servo motors, with high accuracy, low noise and good reliability.
5.Pulse filter cartridge type dust collector, high dust removal efficiency.

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